code.delx.au - gnu-emacs/blob - src/nsterm.m

   1 /* NeXT/Open/GNUstep / MacOSX communication module.
   2
   3 Copyright (C) 1989, 1993-1994, 2005-2006, 2008-2013 Free Software
   4 Foundation, Inc.
   5
   6 This file is part of GNU Emacs.
   7
   8 GNU Emacs is free software: you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation, either version 3 of the License, or
  11 (at your option) any later version.
  12
  13 GNU Emacs is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 /*
  22 Originally by Carl Edman
  23 Updated by Christian Limpach (chris@nice.ch)
  24 OpenStep/Rhapsody port by Scott Bender (sbender@harmony-ds.com)
  25 MacOSX/Aqua port by Christophe de Dinechin (descubes@earthlink.net)
  26 GNUstep port and post-20 update by Adrian Robert (arobert@cogsci.ucsd.edu)
  27 */
  28
  29 /* This should be the first include, as it may set up #defines affecting
  30    interpretation of even the system includes. */
  31 #include <config.h>
  32
  33 #include <math.h>
  34 #include <sys/types.h>
  35 #include <time.h>
  36 #include <signal.h>
  37 #include <unistd.h>
  38
  39 #include <c-ctype.h>
  40 #include <c-strcase.h>
  41 #include <ftoastr.h>
  42
  43 #ifdef HAVE_FCNTL_H
  44 #include <fcntl.h>
  45 #endif
  46
  47 #include "lisp.h"
  48 #include "blockinput.h"
  49 #include "sysselect.h"
  50 #include "nsterm.h"
  51 #include "systime.h"
  52 #include "character.h"
  53 #include "fontset.h"
  54 #include "composite.h"
  55 #include "ccl.h"
  56
  57 #include "termhooks.h"
  58 #include "termchar.h"
  59
  60 #include "window.h"
  61 #include "keyboard.h"
  62 #include "buffer.h"
  63 #include "font.h"
  64
  65 /* call tracing */
  66 #if 0
  67 int term_trace_num = 0;
  68 #define NSTRACE(x)        fprintf (stderr, "%s:%d: [%d] " #x "\n",         \
  69                                 __FILE__, __LINE__, ++term_trace_num)
  70 #else
  71 #define NSTRACE(x)
  72 #endif
  73
  74 #if defined (NS_IMPL_COCOA) && \
  75   MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
  76 #define NEW_STYLE_FS
  77 #endif
  78
  79 extern NSString *NSMenuDidBeginTrackingNotification;
  80
  81 /* ==========================================================================
  82
  83     Local declarations
  84
  85    ========================================================================== */
  86
  87 /* Convert a symbol indexed with an NSxxx value to a value as defined
  88    in keyboard.c (lispy_function_key). I hope this is a correct way
  89    of doing things... */
  90 static unsigned convert_ns_to_X_keysym[] =
  91 {
  92   NSHomeFunctionKey,            0x50,
  93   NSLeftArrowFunctionKey,       0x51,
  94   NSUpArrowFunctionKey,         0x52,
  95   NSRightArrowFunctionKey,      0x53,
  96   NSDownArrowFunctionKey,       0x54,
  97   NSPageUpFunctionKey,          0x55,
  98   NSPageDownFunctionKey,        0x56,
  99   NSEndFunctionKey,             0x57,
 100   NSBeginFunctionKey,           0x58,
 101   NSSelectFunctionKey,          0x60,
 102   NSPrintFunctionKey,           0x61,
 103   NSExecuteFunctionKey,         0x62,
 104   NSInsertFunctionKey,          0x63,
 105   NSUndoFunctionKey,            0x65,
 106   NSRedoFunctionKey,            0x66,
 107   NSMenuFunctionKey,            0x67,
 108   NSFindFunctionKey,            0x68,
 109   NSHelpFunctionKey,            0x6A,
 110   NSBreakFunctionKey,           0x6B,
 111
 112   NSF1FunctionKey,              0xBE,
 113   NSF2FunctionKey,              0xBF,
 114   NSF3FunctionKey,              0xC0,
 115   NSF4FunctionKey,              0xC1,
 116   NSF5FunctionKey,              0xC2,
 117   NSF6FunctionKey,              0xC3,
 118   NSF7FunctionKey,              0xC4,
 119   NSF8FunctionKey,              0xC5,
 120   NSF9FunctionKey,              0xC6,
 121   NSF10FunctionKey,             0xC7,
 122   NSF11FunctionKey,             0xC8,
 123   NSF12FunctionKey,             0xC9,
 124   NSF13FunctionKey,             0xCA,
 125   NSF14FunctionKey,             0xCB,
 126   NSF15FunctionKey,             0xCC,
 127   NSF16FunctionKey,             0xCD,
 128   NSF17FunctionKey,             0xCE,
 129   NSF18FunctionKey,             0xCF,
 130   NSF19FunctionKey,             0xD0,
 131   NSF20FunctionKey,             0xD1,
 132   NSF21FunctionKey,             0xD2,
 133   NSF22FunctionKey,             0xD3,
 134   NSF23FunctionKey,             0xD4,
 135   NSF24FunctionKey,             0xD5,
 136
 137   NSBackspaceCharacter,         0x08,  /* 8: Not on some KBs. */
 138   NSDeleteCharacter,            0xFF,  /* 127: Big 'delete' key upper right. */
 139   NSDeleteFunctionKey,          0x9F,  /* 63272: Del forw key off main array. */
 140
 141   NSTabCharacter,               0x09,
 142   0x19,                         0x09,  /* left tab->regular since pass shift */
 143   NSCarriageReturnCharacter,    0x0D,
 144   NSNewlineCharacter,           0x0D,
 145   NSEnterCharacter,             0x8D,
 146
 147   0x1B,                         0x1B   /* escape */
 148 };
 149
 150 static Lisp_Object Qmodifier_value;
 151 Lisp_Object Qalt, Qcontrol, Qhyper, Qmeta, Qsuper;
 152 extern Lisp_Object Qcursor_color, Qcursor_type, Qns, Qleft;
 153
 154 static Lisp_Object QUTF8_STRING;
 155
 156 /* On OS X picks up the default NSGlobalDomain AppleAntiAliasingThreshold,
 157    the maximum font size to NOT antialias.  On GNUstep there is currently
 158    no way to control this behavior. */
 159 float ns_antialias_threshold;
 160
 161 /* Used to pick up AppleHighlightColor on OS X */
 162 NSString *ns_selection_color;
 163
 164 NSArray *ns_send_types =0, *ns_return_types =0, *ns_drag_types =0;
 165 NSString *ns_app_name = @"Emacs";  /* default changed later */
 166
 167 /* Display variables */
 168 struct ns_display_info *x_display_list; /* Chain of existing displays */
 169 Lisp_Object ns_display_name_list;
 170 long context_menu_value = 0;
 171
 172 /* display update */
 173 NSPoint last_mouse_motion_position;
 174 static NSRect last_mouse_glyph;
 175 static Time last_mouse_movement_time = 0;
 176 static Lisp_Object last_mouse_motion_frame;
 177 static EmacsScroller *last_mouse_scroll_bar = nil;
 178 static struct frame *ns_updating_frame;
 179 static NSView *focus_view = NULL;
 180 static int ns_window_num = 0;
 181 #ifdef NS_IMPL_GNUSTEP
 182 static NSRect uRect;
 183 #endif
 184 static BOOL gsaved = NO;
 185 static BOOL ns_fake_keydown = NO;
 186 int ns_tmp_flags; /* FIXME */
 187 struct nsfont_info *ns_tmp_font; /* FIXME */
 188 static BOOL ns_menu_bar_is_hidden = NO;
 189 /*static int debug_lock = 0; */
 190
 191 /* event loop */
 192 static BOOL send_appdefined = YES;
 193 #define NO_APPDEFINED_DATA (-8)
 194 static int last_appdefined_event_data = NO_APPDEFINED_DATA;
 195 static NSTimer *timed_entry = 0;
 196 static NSTimer *scroll_repeat_entry = nil;
 197 static fd_set select_readfds, select_writefds;
 198 enum { SELECT_HAVE_READ = 1, SELECT_HAVE_WRITE = 2, SELECT_HAVE_TMO = 4 };
 199 static int select_nfds = 0, select_valid = 0;
 200 static EMACS_TIME select_timeout = { 0, 0 };
 201 static int selfds[2] = { -1, -1 };
 202 static pthread_mutex_t select_mutex;
 203 static int apploopnr = 0;
 204 static NSAutoreleasePool *outerpool;
 205 static struct input_event *emacs_event = NULL;
 206 static struct input_event *q_event_ptr = NULL;
 207 static int n_emacs_events_pending = 0;
 208 static NSMutableArray *ns_pending_files, *ns_pending_service_names,
 209   *ns_pending_service_args;
 210 static BOOL ns_do_open_file = NO;
 211
 212 static struct {
 213   struct input_event *q;
 214   int nr, cap;
 215 } hold_event_q = {
 216   NULL, 0, 0
 217 };
 218
 219 /* Convert modifiers in a NeXTstep event to emacs style modifiers.  */
 220 #define NS_FUNCTION_KEY_MASK 0x800000
 221 #define NSLeftControlKeyMask    (0x000001 | NSControlKeyMask)
 222 #define NSRightControlKeyMask   (0x002000 | NSControlKeyMask)
 223 #define NSLeftCommandKeyMask    (0x000008 | NSCommandKeyMask)
 224 #define NSRightCommandKeyMask   (0x000010 | NSCommandKeyMask)
 225 #define NSLeftAlternateKeyMask  (0x000020 | NSAlternateKeyMask)
 226 #define NSRightAlternateKeyMask (0x000040 | NSAlternateKeyMask)
 227 #define EV_MODIFIERS(e)                               \
 228     ((([e modifierFlags] & NSHelpKeyMask) ?           \
 229            hyper_modifier : 0)                        \
 230      | (!EQ (ns_right_alternate_modifier, Qleft) && \
 231         (([e modifierFlags] & NSRightAlternateKeyMask) \
 232          == NSRightAlternateKeyMask) ? \
 233            parse_solitary_modifier (ns_right_alternate_modifier) : 0) \
 234      | (([e modifierFlags] & NSAlternateKeyMask) ?                 \
 235            parse_solitary_modifier (ns_alternate_modifier) : 0)   \
 236      | (([e modifierFlags] & NSShiftKeyMask) ?     \
 237            shift_modifier : 0)                        \
 238      | (!EQ (ns_right_control_modifier, Qleft) && \
 239         (([e modifierFlags] & NSRightControlKeyMask) \
 240          == NSRightControlKeyMask) ? \
 241            parse_solitary_modifier (ns_right_control_modifier) : 0) \
 242      | (([e modifierFlags] & NSControlKeyMask) ?      \
 243            parse_solitary_modifier (ns_control_modifier) : 0)     \
 244      | (([e modifierFlags] & NS_FUNCTION_KEY_MASK) ?  \
 245            parse_solitary_modifier (ns_function_modifier) : 0)    \
 246      | (!EQ (ns_right_command_modifier, Qleft) && \
 247         (([e modifierFlags] & NSRightCommandKeyMask) \
 248          == NSRightCommandKeyMask) ? \
 249            parse_solitary_modifier (ns_right_command_modifier) : 0) \
 250      | (([e modifierFlags] & NSCommandKeyMask) ?      \
 251            parse_solitary_modifier (ns_command_modifier):0))
 252
 253 #define EV_UDMODIFIERS(e)                                      \
 254     ((([e type] == NSLeftMouseDown) ? down_modifier : 0)       \
 255      | (([e type] == NSRightMouseDown) ? down_modifier : 0)    \
 256      | (([e type] == NSOtherMouseDown) ? down_modifier : 0)    \
 257      | (([e type] == NSLeftMouseDragged) ? down_modifier : 0)  \
 258      | (([e type] == NSRightMouseDragged) ? down_modifier : 0) \
 259      | (([e type] == NSOtherMouseDragged) ? down_modifier : 0) \
 260      | (([e type] == NSLeftMouseUp)   ? up_modifier   : 0)     \
 261      | (([e type] == NSRightMouseUp)   ? up_modifier   : 0)    \
 262      | (([e type] == NSOtherMouseUp)   ? up_modifier   : 0))
 263
 264 #define EV_BUTTON(e)                                                         \
 265     ((([e type] == NSLeftMouseDown) || ([e type] == NSLeftMouseUp)) ? 0 :    \
 266       (([e type] == NSRightMouseDown) || ([e type] == NSRightMouseUp)) ? 2 : \
 267      [e buttonNumber] - 1)
 268
 269 /* Convert the time field to a timestamp in milliseconds. */
 270 #define EV_TIMESTAMP(e) ([e timestamp] * 1000)
 271
 272 /* This is a piece of code which is common to all the event handling
 273    methods.  Maybe it should even be a function.  */
 274 #define EV_TRAILER(e)                                                   \
 275     {                                                                   \
 276       XSETFRAME (emacs_event->frame_or_window, emacsframe);             \
 277       if (e) emacs_event->timestamp = EV_TIMESTAMP (e);                 \
 278       if (q_event_ptr)                                                  \
 279         {                                                               \
 280           n_emacs_events_pending++;                                     \
 281           kbd_buffer_store_event_hold (emacs_event, q_event_ptr);       \
 282         }                                                               \
 283       else                                                              \
 284         hold_event (emacs_event);                                       \
 285       EVENT_INIT (*emacs_event);                                        \
 286       ns_send_appdefined (-1);                                          \
 287     }
 288
 289 void x_set_cursor_type (struct frame *, Lisp_Object, Lisp_Object);
 290
 291 /* TODO: get rid of need for these forward declarations */
 292 static void ns_condemn_scroll_bars (struct frame *f);
 293 static void ns_judge_scroll_bars (struct frame *f);
 294 void x_set_frame_alpha (struct frame *f);
 295
 296
 297 /* ==========================================================================
 298
 299     Utilities
 300
 301    ========================================================================== */
 302
 303 static void
 304 hold_event (struct input_event *event)
 305 {
 306   if (hold_event_q.nr == hold_event_q.cap)
 307     {
 308       if (hold_event_q.cap == 0) hold_event_q.cap = 10;
 309       else hold_event_q.cap *= 2;
 310       hold_event_q.q = (struct input_event *)
 311         xrealloc (hold_event_q.q, hold_event_q.cap * sizeof (*hold_event_q.q));
 312     }
 313
 314   hold_event_q.q[hold_event_q.nr++] = *event;
 315   /* Make sure ns_read_socket is called, i.e. we have input.  */
 316   kill (0, SIGIO);
 317   send_appdefined = YES;
 318 }
 319
 320 static Lisp_Object
 321 append2 (Lisp_Object list, Lisp_Object item)
 322 /* --------------------------------------------------------------------------
 323    Utility to append to a list
 324    -------------------------------------------------------------------------- */
 325 {
 326   Lisp_Object array[2];
 327   array[0] = list;
 328   array[1] = Fcons (item, Qnil);
 329   return Fnconc (2, &array[0]);
 330 }
 331
 332
 333 const char *
 334 ns_etc_directory (void)
 335 /* If running as a self-contained app bundle, return as a string the
 336    filename of the etc directory, if present; else nil.  */
 337 {
 338   NSBundle *bundle = [NSBundle mainBundle];
 339   NSString *resourceDir = [bundle resourcePath];
 340   NSString *resourcePath;
 341   NSFileManager *fileManager = [NSFileManager defaultManager];
 342   BOOL isDir;
 343
 344   resourcePath = [resourceDir stringByAppendingPathComponent: @"etc"];
 345   if ([fileManager fileExistsAtPath: resourcePath isDirectory: &isDir])
 346     {
 347       if (isDir) return [resourcePath UTF8String];
 348     }
 349   return NULL;
 350 }
 351
 352
 353 const char *
 354 ns_exec_path (void)
 355 /* If running as a self-contained app bundle, return as a path string
 356    the filenames of the libexec and bin directories, ie libexec:bin.
 357    Otherwise, return nil.
 358    Normally, Emacs does not add its own bin/ directory to the PATH.
 359    However, a self-contained NS build has a different layout, with
 360    bin/ and libexec/ subdirectories in the directory that contains
 361    Emacs.app itself.
 362    We put libexec first, because init_callproc_1 uses the first
 363    element to initialize exec-directory.  An alternative would be
 364    for init_callproc to check for invocation-directory/libexec.
 365 */
 366 {
 367   NSBundle *bundle = [NSBundle mainBundle];
 368   NSString *resourceDir = [bundle resourcePath];
 369   NSString *binDir = [bundle bundlePath];
 370   NSString *resourcePath, *resourcePaths;
 371   NSRange range;
 372   NSString *pathSeparator = [NSString stringWithFormat: @"%c", SEPCHAR];
 373   NSFileManager *fileManager = [NSFileManager defaultManager];
 374   NSArray *paths;
 375   NSEnumerator *pathEnum;
 376   BOOL isDir;
 377
 378   range = [resourceDir rangeOfString: @"Contents"];
 379   if (range.location != NSNotFound)
 380     {
 381       binDir = [binDir stringByAppendingPathComponent: @"Contents"];
 382 #ifdef NS_IMPL_COCOA
 383       binDir = [binDir stringByAppendingPathComponent: @"MacOS"];
 384 #endif
 385     }
 386
 387   paths = [binDir stringsByAppendingPaths:
 388                 [NSArray arrayWithObjects: @"libexec", @"bin", nil]];
 389   pathEnum = [paths objectEnumerator];
 390   resourcePaths = @"";
 391
 392   while ((resourcePath = [pathEnum nextObject]))
 393     {
 394       if ([fileManager fileExistsAtPath: resourcePath isDirectory: &isDir])
 395         if (isDir)
 396           {
 397             if ([resourcePaths length] > 0)
 398               resourcePaths
 399                 = [resourcePaths stringByAppendingString: pathSeparator];
 400             resourcePaths
 401               = [resourcePaths stringByAppendingString: resourcePath];
 402           }
 403     }
 404   if ([resourcePaths length] > 0) return [resourcePaths UTF8String];
 405
 406   return NULL;
 407 }
 408
 409
 410 const char *
 411 ns_load_path (void)
 412 /* If running as a self-contained app bundle, return as a path string
 413    the filenames of the site-lisp, lisp and leim directories.
 414    Ie, site-lisp:lisp:leim.  Otherwise, return nil.  */
 415 {
 416   NSBundle *bundle = [NSBundle mainBundle];
 417   NSString *resourceDir = [bundle resourcePath];
 418   NSString *resourcePath, *resourcePaths;
 419   NSString *pathSeparator = [NSString stringWithFormat: @"%c", SEPCHAR];
 420   NSFileManager *fileManager = [NSFileManager defaultManager];
 421   BOOL isDir;
 422   NSArray *paths = [resourceDir stringsByAppendingPaths:
 423                               [NSArray arrayWithObjects:
 424                                          @"site-lisp", @"lisp", @"leim", nil]];
 425   NSEnumerator *pathEnum = [paths objectEnumerator];
 426   resourcePaths = @"";
 427
 428   /* Hack to skip site-lisp.  */
 429   if (no_site_lisp) resourcePath = [pathEnum nextObject];
 430
 431   while ((resourcePath = [pathEnum nextObject]))
 432     {
 433       if ([fileManager fileExistsAtPath: resourcePath isDirectory: &isDir])
 434         if (isDir)
 435           {
 436             if ([resourcePaths length] > 0)
 437               resourcePaths
 438                 = [resourcePaths stringByAppendingString: pathSeparator];
 439             resourcePaths
 440               = [resourcePaths stringByAppendingString: resourcePath];
 441           }
 442     }
 443   if ([resourcePaths length] > 0) return [resourcePaths UTF8String];
 444
 445   return NULL;
 446 }
 447
 448 static void
 449 ns_timeout (int usecs)
 450 /* --------------------------------------------------------------------------
 451      Blocking timer utility used by ns_ring_bell
 452    -------------------------------------------------------------------------- */
 453 {
 454   EMACS_TIME wakeup = add_emacs_time (current_emacs_time (),
 455                                       make_emacs_time (0, usecs * 1000));
 456
 457   /* Keep waiting until past the time wakeup.  */
 458   while (1)
 459     {
 460       EMACS_TIME timeout, now = current_emacs_time ();
 461       if (EMACS_TIME_LE (wakeup, now))
 462         break;
 463       timeout = sub_emacs_time (wakeup, now);
 464
 465       /* Try to wait that long--but we might wake up sooner.  */
 466       pselect (0, NULL, NULL, NULL, &timeout, NULL);
 467     }
 468 }
 469
 470
 471 void
 472 ns_release_object (void *obj)
 473 /* --------------------------------------------------------------------------
 474     Release an object (callable from C)
 475    -------------------------------------------------------------------------- */
 476 {
 477     [(id)obj release];
 478 }
 479
 480
 481 void
 482 ns_retain_object (void *obj)
 483 /* --------------------------------------------------------------------------
 484     Retain an object (callable from C)
 485    -------------------------------------------------------------------------- */
 486 {
 487     [(id)obj retain];
 488 }
 489
 490
 491 void *
 492 ns_alloc_autorelease_pool (void)
 493 /* --------------------------------------------------------------------------
 494      Allocate a pool for temporary objects (callable from C)
 495    -------------------------------------------------------------------------- */
 496 {
 497   return [[NSAutoreleasePool alloc] init];
 498 }
 499
 500
 501 void
 502 ns_release_autorelease_pool (void *pool)
 503 /* --------------------------------------------------------------------------
 504      Free a pool and temporary objects it refers to (callable from C)
 505    -------------------------------------------------------------------------- */
 506 {
 507   ns_release_object (pool);
 508 }
 509
 510
 511
 512 /* ==========================================================================
 513
 514     Focus (clipping) and screen update
 515
 516    ========================================================================== */
 517
 518 //
 519 // Window constraining
 520 // -------------------
 521 //
 522 // To ensure that the windows are not placed under the menu bar, they
 523 // are typically moved by the call-back constrainFrameRect. However,
 524 // by overriding it, it's possible to inhibit this, leaving the window
 525 // in it's original position.
 526 //
 527 // It's possible to hide the menu bar. However, technically, it's only
 528 // possible to hide it when the application is active. To ensure that
 529 // this work properly, the menu bar and window constraining are
 530 // deferred until the application becomes active.
 531 //
 532 // Even though it's not possible to manually move a window above the
 533 // top of the screen, it is allowed if it's done programmatically,
 534 // when the menu is hidden. This allows the editable area to cover the
 535 // full screen height.
 536 //
 537 // Test cases
 538 // ----------
 539 //
 540 // Use the following extra files:
 541 //
 542 //    init.el:
 543 //       ;; Hide menu and place frame slightly above the top of the screen.
 544 //       (setq ns-auto-hide-menu-bar t)
 545 //       (set-frame-position (selected-frame) 0 -20)
 546 //
 547 // Test 1:
 548 //
 549 //    emacs -Q -l init.el
 550 //
 551 //    Result: No menu bar, and the title bar should be above the screen.
 552 //
 553 // Test 2:
 554 //
 555 //    emacs -Q
 556 //
 557 //    Result: Menu bar visible, frame placed immediately below the menu.
 558 //
 559
 560 static void
 561 ns_constrain_all_frames (void)
 562 {
 563   Lisp_Object tail, frame;
 564
 565   FOR_EACH_FRAME (tail, frame)
 566     {
 567       struct frame *f = XFRAME (frame);
 568       if (FRAME_NS_P (f))
 569         {
 570           NSView *view = FRAME_NS_VIEW (f);
 571           /* This no-op will trigger the default window placing
 572            * constraint system. */
 573           f->output_data.ns->dont_constrain = 0;
 574           [[view window] setFrameOrigin:[[view window] frame].origin];
 575         }
 576     }
 577 }
 578
 579
 580 /* True, if the menu bar should be hidden.  */
 581
 582 static BOOL
 583 ns_menu_bar_should_be_hidden (void)
 584 {
 585   return !NILP (ns_auto_hide_menu_bar)
 586     && [NSApp respondsToSelector:@selector(setPresentationOptions:)];
 587 }
 588
 589
 590 /* Show or hide the menu bar, based on user setting.  */
 591
 592 static void
 593 ns_update_auto_hide_menu_bar (void)
 594 {
 595 #ifdef NS_IMPL_COCOA
 596 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
 597   block_input ();
 598
 599   NSTRACE (ns_update_auto_hide_menu_bar);
 600
 601   if (NSApp != nil
 602       && [NSApp isActive]
 603       && [NSApp respondsToSelector:@selector(setPresentationOptions:)])
 604     {
 605       // Note, "setPresentationOptions" triggers an error unless the
 606       // application is active.
 607       BOOL menu_bar_should_be_hidden = ns_menu_bar_should_be_hidden ();
 608
 609       if (menu_bar_should_be_hidden != ns_menu_bar_is_hidden)
 610         {
 611           NSApplicationPresentationOptions options
 612             = NSApplicationPresentationAutoHideDock;
 613
 614           if (menu_bar_should_be_hidden)
 615             options |= NSApplicationPresentationAutoHideMenuBar;
 616
 617           [NSApp setPresentationOptions: options];
 618
 619           ns_menu_bar_is_hidden = menu_bar_should_be_hidden;
 620
 621           if (!ns_menu_bar_is_hidden)
 622             {
 623               ns_constrain_all_frames ();
 624             }
 625         }
 626     }
 627
 628   unblock_input ();
 629 #endif
 630 #endif
 631 }
 632
 633
 634 static void
 635 ns_update_begin (struct frame *f)
 636 /* --------------------------------------------------------------------------
 637    Prepare for a grouped sequence of drawing calls
 638    external (RIF) call; whole frame, called before update_window_begin
 639    -------------------------------------------------------------------------- */
 640 {
 641   NSView *view = FRAME_NS_VIEW (f);
 642   NSRect r = [view frame];
 643   NSBezierPath *bp;
 644   NSTRACE (ns_update_begin);
 645
 646   ns_update_auto_hide_menu_bar ();
 647
 648   ns_updating_frame = f;
 649   [view lockFocus];
 650
 651   /* drawRect may have been called for say the minibuffer, and then clip path
 652      is for the minibuffer.  But the display engine may draw more because
 653      we have set the frame as garbaged.  So reset clip path to the whole
 654      view.  */
 655   bp = [[NSBezierPath bezierPathWithRect: r] retain];
 656   [bp setClip];
 657   [bp release];
 658
 659 #ifdef NS_IMPL_GNUSTEP
 660   uRect = NSMakeRect (0, 0, 0, 0);
 661 #endif
 662 }
 663
 664
 665 static void
 666 ns_update_window_begin (struct window *w)
 667 /* --------------------------------------------------------------------------
 668    Prepare for a grouped sequence of drawing calls
 669    external (RIF) call; for one window, called after update_begin
 670    -------------------------------------------------------------------------- */
 671 {
 672   struct frame *f = XFRAME (WINDOW_FRAME (w));
 673  Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
 674   NSTRACE (ns_update_window_begin);
 675   updated_window = w;
 676   set_output_cursor (&w->cursor);
 677
 678   block_input ();
 679
 680   if (f == hlinfo->mouse_face_mouse_frame)
 681     {
 682       /* Don't do highlighting for mouse motion during the update.  */
 683       hlinfo->mouse_face_defer = 1;
 684
 685         /* If the frame needs to be redrawn,
 686            simply forget about any prior mouse highlighting.  */
 687       if (FRAME_GARBAGED_P (f))
 688         hlinfo->mouse_face_window = Qnil;
 689
 690       /* (further code for mouse faces ifdef'd out in other terms elided) */
 691     }
 692
 693   unblock_input ();
 694 }
 695
 696
 697 static void
 698 ns_update_window_end (struct window *w, int cursor_on_p,
 699                       int mouse_face_overwritten_p)
 700 /* --------------------------------------------------------------------------
 701    Finished a grouped sequence of drawing calls
 702    external (RIF) call; for one window called before update_end
 703    -------------------------------------------------------------------------- */
 704 {
 705   Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (XFRAME (w->frame));
 706
 707   /* note: this fn is nearly identical in all terms */
 708   if (!w->pseudo_window_p)
 709     {
 710       block_input ();
 711
 712       if (cursor_on_p)
 713         display_and_set_cursor (w, 1,
 714                                 output_cursor.hpos, output_cursor.vpos,
 715                                 output_cursor.x, output_cursor.y);
 716
 717       if (draw_window_fringes (w, 1))
 718         x_draw_vertical_border (w);
 719
 720       unblock_input ();
 721     }
 722
 723   /* If a row with mouse-face was overwritten, arrange for
 724      frame_up_to_date to redisplay the mouse highlight.  */
 725   if (mouse_face_overwritten_p)
 726     {
 727       hlinfo->mouse_face_beg_row = hlinfo->mouse_face_beg_col = -1;
 728       hlinfo->mouse_face_end_row = hlinfo->mouse_face_end_col = -1;
 729       hlinfo->mouse_face_window = Qnil;
 730     }
 731
 732   updated_window = NULL;
 733   NSTRACE (update_window_end);
 734 }
 735
 736
 737 static void
 738 ns_update_end (struct frame *f)
 739 /* --------------------------------------------------------------------------
 740    Finished a grouped sequence of drawing calls
 741    external (RIF) call; for whole frame, called after update_window_end
 742    -------------------------------------------------------------------------- */
 743 {
 744   NSView *view = FRAME_NS_VIEW (f);
 745
 746 /*   if (f == MOUSE_HL_INFO (f)->mouse_face_mouse_frame) */
 747     MOUSE_HL_INFO (f)->mouse_face_defer = 0;
 748
 749     block_input ();
 750
 751 #ifdef NS_IMPL_GNUSTEP
 752   /* trigger flush only in the rectangle we tracked as being drawn */
 753   [view unlockFocusNeedsFlush: NO];
 754 /*fprintf (stderr, " (%.0f, %.0f : %.0f x %.0f)", uRect.origin.x, uRect.origin.y, uRect.size.width, uRect.size.height); */
 755   [view lockFocusInRect: uRect];
 756 #endif
 757
 758   [view unlockFocus];
 759   [[view window] flushWindow];
 760
 761   unblock_input ();
 762   ns_updating_frame = NULL;
 763   NSTRACE (ns_update_end);
 764 }
 765
 766
 767 static void
 768 ns_flush (struct frame *f)
 769 /* --------------------------------------------------------------------------
 770    external (RIF) call
 771    NS impl is no-op since currently we flush in ns_update_end and elsewhere
 772    -------------------------------------------------------------------------- */
 773 {
 774     NSTRACE (ns_flush);
 775 }
 776
 777
 778 static void
 779 ns_focus (struct frame *f, NSRect *r, int n)
 780 /* --------------------------------------------------------------------------
 781    Internal: Focus on given frame.  During small local updates this is used to
 782      draw, however during large updates, ns_update_begin and ns_update_end are
 783      called to wrap the whole thing, in which case these calls are stubbed out.
 784      Except, on GNUstep, we accumulate the rectangle being drawn into, because
 785      the back end won't do this automatically, and will just end up flushing
 786      the entire window.
 787    -------------------------------------------------------------------------- */
 788 {
 789 //  NSTRACE (ns_focus);
 790 #ifdef NS_IMPL_GNUSTEP
 791   NSRect u;
 792     if (n == 2)
 793       u = NSUnionRect (r[0], r[1]);
 794     else if (r)
 795       u = *r;
 796 #endif
 797 /* static int c =0;
 798    fprintf (stderr, "focus: %d", c++);
 799    if (r) fprintf (stderr, " (%.0f, %.0f : %.0f x %.0f)", r->origin.x, r->origin.y, r->size.width, r->size.height);
 800    fprintf (stderr, "\n"); */
 801
 802   if (f != ns_updating_frame)
 803     {
 804       NSView *view = FRAME_NS_VIEW (f);
 805       if (view != focus_view)
 806         {
 807           if (focus_view != NULL)
 808             {
 809               [focus_view unlockFocus];
 810               [[focus_view window] flushWindow];
 811 /*debug_lock--; */
 812             }
 813
 814           if (view)
 815 #ifdef NS_IMPL_GNUSTEP
 816             r ? [view lockFocusInRect: u] : [view lockFocus];
 817 #else
 818             [view lockFocus];
 819 #endif
 820           focus_view = view;
 821 /*if (view) debug_lock++; */
 822         }
 823 #ifdef NS_IMPL_GNUSTEP
 824       else
 825         {
 826           /* more than one rect being drawn into */
 827           if (view && r)
 828             {
 829               [view unlockFocus]; /* add prev rect to redraw list */
 830               [view lockFocusInRect: u]; /* focus for draw in new rect */
 831             }
 832         }
 833 #endif
 834     }
 835 #ifdef NS_IMPL_GNUSTEP
 836   else
 837     {
 838       /* in batch mode, but in GNUstep must still track rectangles explicitly */
 839       uRect = (r ? NSUnionRect (uRect, u) : [FRAME_NS_VIEW (f) visibleRect]);
 840     }
 841 #endif
 842
 843   /* clipping */
 844   if (r)
 845     {
 846       [[NSGraphicsContext currentContext] saveGraphicsState];
 847       if (n == 2)
 848         NSRectClipList (r, 2);
 849       else
 850         NSRectClip (*r);
 851       gsaved = YES;
 852     }
 853 }
 854
 855
 856 static void
 857 ns_unfocus (struct frame *f)
 858 /* --------------------------------------------------------------------------
 859      Internal: Remove focus on given frame
 860    -------------------------------------------------------------------------- */
 861 {
 862 //  NSTRACE (ns_unfocus);
 863
 864   if (gsaved)
 865     {
 866       [[NSGraphicsContext currentContext] restoreGraphicsState];
 867       gsaved = NO;
 868     }
 869
 870   if (f != ns_updating_frame)
 871     {
 872       if (focus_view != NULL)
 873         {
 874           [focus_view unlockFocus];
 875           [[focus_view window] flushWindow];
 876           focus_view = NULL;
 877 /*debug_lock--; */
 878         }
 879     }
 880 }
 881
 882
 883 static void
 884 ns_clip_to_row (struct window *w, struct glyph_row *row, int area, BOOL gc)
 885 /* --------------------------------------------------------------------------
 886      Internal (but parallels other terms): Focus drawing on given row
 887    -------------------------------------------------------------------------- */
 888 {
 889   struct frame *f = XFRAME (WINDOW_FRAME (w));
 890   NSRect clip_rect;
 891   int window_x, window_y, window_width;
 892
 893   window_box (w, area, &window_x, &window_y, &window_width, 0);
 894
 895   clip_rect.origin.x = window_x;
 896   clip_rect.origin.y = WINDOW_TO_FRAME_PIXEL_Y (w, max (0, row->y));
 897   clip_rect.origin.y = max (clip_rect.origin.y, window_y);
 898   clip_rect.size.width = window_width;
 899   clip_rect.size.height = row->visible_height;
 900
 901   ns_focus (f, &clip_rect, 1);
 902 }
 903
 904
 905 static void
 906 ns_ring_bell (struct frame *f)
 907 /* --------------------------------------------------------------------------
 908      "Beep" routine
 909    -------------------------------------------------------------------------- */
 910 {
 911   NSTRACE (ns_ring_bell);
 912   if (visible_bell)
 913     {
 914       NSAutoreleasePool *pool;
 915       struct frame *frame = SELECTED_FRAME ();
 916       NSView *view;
 917
 918       block_input ();
 919       pool = [[NSAutoreleasePool alloc] init];
 920
 921       view = FRAME_NS_VIEW (frame);
 922       if (view != nil)
 923         {
 924           NSRect r, surr;
 925           NSPoint dim = NSMakePoint (128, 128);
 926
 927           r = [view bounds];
 928           r.origin.x += (r.size.width - dim.x) / 2;
 929           r.origin.y += (r.size.height - dim.y) / 2;
 930           r.size.width = dim.x;
 931           r.size.height = dim.y;
 932           surr = NSInsetRect (r, -2, -2);
 933           ns_focus (frame, &surr, 1);
 934           [[view window] cacheImageInRect: [view convertRect: surr toView:nil]];
 935           [ns_lookup_indexed_color (NS_FACE_FOREGROUND
 936                                       (FRAME_DEFAULT_FACE (frame)), frame) set];
 937           NSRectFill (r);
 938           [[view window] flushWindow];
 939           ns_timeout (150000);
 940           [[view window] restoreCachedImage];
 941           [[view window] flushWindow];
 942           ns_unfocus (frame);
 943         }
 944       [pool release];
 945       unblock_input ();
 946     }
 947   else
 948     {
 949       NSBeep ();
 950     }
 951 }
 952
 953
 954 static void
 955 ns_reset_terminal_modes (struct terminal *terminal)
 956 /*  Externally called as hook */
 957 {
 958   NSTRACE (ns_reset_terminal_modes);
 959 }
 960
 961
 962 static void
 963 ns_set_terminal_modes (struct terminal *terminal)
 964 /*  Externally called as hook */
 965 {
 966   NSTRACE (ns_set_terminal_modes);
 967 }
 968
 969
 970
 971 /* ==========================================================================
 972
 973     Frame / window manager related functions
 974
 975    ========================================================================== */
 976
 977
 978 static void
 979 ns_raise_frame (struct frame *f)
 980 /* --------------------------------------------------------------------------
 981      Bring window to foreground and make it active
 982    -------------------------------------------------------------------------- */
 983 {
 984   NSView *view = FRAME_NS_VIEW (f);
 985   check_ns ();
 986   block_input ();
 987   FRAME_SAMPLE_VISIBILITY (f);
 988   if (FRAME_VISIBLE_P (f))
 989     {
 990       [[view window] makeKeyAndOrderFront: NSApp];
 991     }
 992   unblock_input ();
 993 }
 994
 995
 996 static void
 997 ns_lower_frame (struct frame *f)
 998 /* --------------------------------------------------------------------------
 999      Send window to back
1000    -------------------------------------------------------------------------- */
1001 {
1002   NSView *view = FRAME_NS_VIEW (f);
1003   check_ns ();
1004   block_input ();
1005   [[view window] orderBack: NSApp];
1006   unblock_input ();
1007 }
1008
1009
1010 static void
1011 ns_frame_raise_lower (struct frame *f, int raise)
1012 /* --------------------------------------------------------------------------
1013      External (hook)
1014    -------------------------------------------------------------------------- */
1015 {
1016   NSTRACE (ns_frame_raise_lower);
1017
1018   if (raise)
1019     ns_raise_frame (f);
1020   else
1021     ns_lower_frame (f);
1022 }
1023
1024
1025 static void
1026 ns_frame_rehighlight (struct frame *frame)
1027 /* --------------------------------------------------------------------------
1028      External (hook): called on things like window switching within frame
1029    -------------------------------------------------------------------------- */
1030 {
1031   struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (frame);
1032   struct frame *old_highlight = dpyinfo->x_highlight_frame;
1033
1034   NSTRACE (ns_frame_rehighlight);
1035   if (dpyinfo->x_focus_frame)
1036     {
1037       dpyinfo->x_highlight_frame
1038         = (FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))
1039            ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))
1040            : dpyinfo->x_focus_frame);
1041       if (!FRAME_LIVE_P (dpyinfo->x_highlight_frame))
1042         {
1043           fset_focus_frame (dpyinfo->x_focus_frame, Qnil);
1044           dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame;
1045         }
1046     }
1047   else
1048       dpyinfo->x_highlight_frame = 0;
1049
1050   if (dpyinfo->x_highlight_frame &&
1051          dpyinfo->x_highlight_frame != old_highlight)
1052     {
1053       if (old_highlight)
1054         {
1055           x_update_cursor (old_highlight, 1);
1056           x_set_frame_alpha (old_highlight);
1057         }
1058       if (dpyinfo->x_highlight_frame)
1059         {
1060           x_update_cursor (dpyinfo->x_highlight_frame, 1);
1061           x_set_frame_alpha (dpyinfo->x_highlight_frame);
1062         }
1063     }
1064 }
1065
1066
1067 void
1068 x_make_frame_visible (struct frame *f)
1069 /* --------------------------------------------------------------------------
1070      External: Show the window (X11 semantics)
1071    -------------------------------------------------------------------------- */
1072 {
1073   NSTRACE (x_make_frame_visible);
1074   /* XXX: at some points in past this was not needed, as the only place that
1075      called this (frame.c:Fraise_frame ()) also called raise_lower;
1076      if this ends up the case again, comment this out again. */
1077   if (!FRAME_VISIBLE_P (f))
1078     {
1079       EmacsView *view = (EmacsView *)FRAME_NS_VIEW (f);
1080       f->async_visible = 1;
1081       ns_raise_frame (f);
1082
1083 #ifdef NEW_STYLE_FS
1084       /* Making a new frame from a fullscreen frame will make the new frame
1085          fullscreen also.  So skip handleFS as this will print an error.  */
1086       if (f->want_fullscreen == FULLSCREEN_BOTH
1087           && ([[view window] styleMask] & NSFullScreenWindowMask) != 0)
1088         return;
1089 #endif
1090       if (f->want_fullscreen != FULLSCREEN_NONE)
1091         {
1092           block_input ();
1093           [view handleFS];
1094           unblock_input ();
1095         }
1096     }
1097 }
1098
1099
1100 void
1101 x_make_frame_invisible (struct frame *f)
1102 /* --------------------------------------------------------------------------
1103      External: Hide the window (X11 semantics)
1104    -------------------------------------------------------------------------- */
1105 {
1106   NSView * view = FRAME_NS_VIEW (f);
1107   NSTRACE (x_make_frame_invisible);
1108   check_ns ();
1109   [[view window] orderOut: NSApp];
1110   f->async_visible = 0;
1111   f->async_iconified = 0;
1112 }
1113
1114
1115 void
1116 x_iconify_frame (struct frame *f)
1117 /* --------------------------------------------------------------------------
1118      External: Iconify window
1119    -------------------------------------------------------------------------- */
1120 {
1121   NSView * view = FRAME_NS_VIEW (f);
1122   struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (f);
1123   NSTRACE (x_iconify_frame);
1124   check_ns ();
1125
1126   if (dpyinfo->x_highlight_frame == f)
1127     dpyinfo->x_highlight_frame = 0;
1128
1129   if ([[view window] windowNumber] <= 0)
1130     {
1131       /* the window is still deferred.  Make it very small, bring it
1132          on screen and order it out. */
1133       NSRect s = { { 100, 100}, {0, 0} };
1134       NSRect t;
1135       t = [[view window] frame];
1136       [[view window] setFrame: s display: NO];
1137       [[view window] orderBack: NSApp];
1138       [[view window] orderOut: NSApp];
1139       [[view window] setFrame: t display: NO];
1140     }
1141   [[view window] miniaturize: NSApp];
1142 }
1143
1144 /* Free X resources of frame F.  */
1145
1146 void
1147 x_free_frame_resources (struct frame *f)
1148 {
1149   NSView *view = FRAME_NS_VIEW (f);
1150   struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (f);
1151   Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
1152   NSTRACE (x_free_frame_resources);
1153   check_ns ();
1154
1155   [(EmacsView *)view setWindowClosing: YES]; /* may not have been informed */
1156
1157   block_input ();
1158
1159   free_frame_menubar (f);
1160
1161   if (FRAME_FACE_CACHE (f))
1162     free_frame_faces (f);
1163
1164   if (f == dpyinfo->x_focus_frame)
1165     dpyinfo->x_focus_frame = 0;
1166   if (f == dpyinfo->x_highlight_frame)
1167     dpyinfo->x_highlight_frame = 0;
1168   if (f == hlinfo->mouse_face_mouse_frame)
1169     {
1170       hlinfo->mouse_face_beg_row = hlinfo->mouse_face_beg_col = -1;
1171       hlinfo->mouse_face_end_row = hlinfo->mouse_face_end_col = -1;
1172       hlinfo->mouse_face_window = Qnil;
1173       hlinfo->mouse_face_deferred_gc = 0;
1174       hlinfo->mouse_face_mouse_frame = 0;
1175     }
1176
1177   if (f->output_data.ns->miniimage != nil)
1178     [f->output_data.ns->miniimage release];
1179
1180   [[view window] close];
1181   [view release];
1182
1183   xfree (f->output_data.ns);
1184
1185   unblock_input ();
1186 }
1187
1188 void
1189 x_destroy_window (struct frame *f)
1190 /* --------------------------------------------------------------------------
1191      External: Delete the window
1192    -------------------------------------------------------------------------- */
1193 {
1194   NSTRACE (x_destroy_window);
1195   check_ns ();
1196   x_free_frame_resources (f);
1197   ns_window_num--;
1198 }
1199
1200
1201 void
1202 x_set_offset (struct frame *f, int xoff, int yoff, int change_grav)
1203 /* --------------------------------------------------------------------------
1204      External: Position the window
1205    -------------------------------------------------------------------------- */
1206 {
1207   NSView *view = FRAME_NS_VIEW (f);
1208   NSArray *screens = [NSScreen screens];
1209   NSScreen *fscreen = [screens objectAtIndex: 0];
1210   NSScreen *screen = [[view window] screen];
1211
1212   NSTRACE (x_set_offset);
1213
1214   block_input ();
1215
1216   f->left_pos = xoff;
1217   f->top_pos = yoff;
1218
1219   if (view != nil && screen && fscreen)
1220     {
1221       f->left_pos = f->size_hint_flags & XNegative
1222         ? [screen visibleFrame].size.width + f->left_pos - FRAME_PIXEL_WIDTH (f)
1223         : f->left_pos;
1224       /* We use visibleFrame here to take menu bar into account.
1225          Ideally we should also adjust left/top with visibleFrame.origin.  */
1226
1227       f->top_pos = f->size_hint_flags & YNegative
1228         ? ([screen visibleFrame].size.height + f->top_pos
1229            - FRAME_PIXEL_HEIGHT (f) - FRAME_NS_TITLEBAR_HEIGHT (f)
1230            - FRAME_TOOLBAR_HEIGHT (f))
1231         : f->top_pos;
1232 #ifdef NS_IMPL_GNUSTEP
1233       if (f->left_pos < 100)
1234         f->left_pos = 100;  /* don't overlap menu */
1235 #endif
1236       /* Constrain the setFrameTopLeftPoint so we don't move behind the
1237          menu bar.  */
1238       f->output_data.ns->dont_constrain = 0;
1239       [[view window] setFrameTopLeftPoint:
1240                        NSMakePoint (SCREENMAXBOUND (f->left_pos),
1241                                     SCREENMAXBOUND ([fscreen frame].size.height
1242                                                     - NS_TOP_POS (f)))];
1243       f->size_hint_flags &= ~(XNegative|YNegative);
1244     }
1245
1246   unblock_input ();
1247 }
1248
1249
1250 void
1251 x_set_window_size (struct frame *f, int change_grav, int cols, int rows)
1252 /* --------------------------------------------------------------------------
1253      Adjust window pixel size based on given character grid size
1254      Impl is a bit more complex than other terms, need to do some
1255      internal clipping.
1256    -------------------------------------------------------------------------- */
1257 {
1258   EmacsView *view = FRAME_NS_VIEW (f);
1259   NSWindow *window = [view window];
1260   NSRect wr = [window frame];
1261   int tb = FRAME_EXTERNAL_TOOL_BAR (f);
1262   int pixelwidth, pixelheight;
1263
1264   NSTRACE (x_set_window_size);
1265
1266   if (view == nil)
1267     return;
1268
1269 /*fprintf (stderr, "\tsetWindowSize: %d x %d, font size %d x %d\n", cols, rows, FRAME_COLUMN_WIDTH (f), FRAME_LINE_HEIGHT (f)); */
1270
1271   block_input ();
1272
1273   check_frame_size (f, &rows, &cols);
1274
1275   f->scroll_bar_actual_width = NS_SCROLL_BAR_WIDTH (f);
1276   compute_fringe_widths (f, 0);
1277
1278   pixelwidth =  FRAME_TEXT_COLS_TO_PIXEL_WIDTH   (f, cols);
1279   pixelheight = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, rows);
1280
1281   /* If we have a toolbar, take its height into account. */
1282   if (tb)
1283     /* NOTE: previously this would generate wrong result if toolbar not
1284              yet displayed and fixing toolbar_height=32 helped, but
1285              now (200903) seems no longer needed */
1286     FRAME_TOOLBAR_HEIGHT (f) =
1287       NSHeight ([window frameRectForContentRect: NSMakeRect (0, 0, 0, 0)])
1288         - FRAME_NS_TITLEBAR_HEIGHT (f);
1289   else
1290     FRAME_TOOLBAR_HEIGHT (f) = 0;
1291
1292   wr.size.width = pixelwidth + f->border_width;
1293   wr.size.height = pixelheight + FRAME_NS_TITLEBAR_HEIGHT (f)
1294                   + FRAME_TOOLBAR_HEIGHT (f);
1295
1296   /* Do not try to constrain to this screen.  We may have multiple
1297      screens, and want Emacs to span those.  Constraining to screen
1298      prevents that, and that is not nice to the user.  */
1299  if (f->output_data.ns->zooming)
1300    f->output_data.ns->zooming = 0;
1301  else
1302    wr.origin.y += FRAME_PIXEL_HEIGHT (f) - pixelheight;
1303
1304   [view setRows: rows andColumns: cols];
1305   [window setFrame: wr display: YES];
1306
1307 /*fprintf (stderr, "\tx_set_window_size %d, %d\t%d, %d\n", cols, rows, pixelwidth, pixelheight); */
1308
1309   /* This is a trick to compensate for Emacs' managing the scrollbar area
1310      as a fixed number of standard character columns.  Instead of leaving
1311      blank space for the extra, we chopped it off above.  Now for
1312      left-hand scrollbars, we shift all rendering to the left by the
1313      difference between the real width and Emacs' imagined one.  For
1314      right-hand bars, don't worry about it since the extra is never used.
1315      (Obviously doesn't work for vertically split windows tho..) */
1316   {
1317     NSPoint origin = FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)
1318       ? NSMakePoint (FRAME_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f)
1319                      - NS_SCROLL_BAR_WIDTH (f), 0)
1320       : NSMakePoint (0, 0);
1321     [view setFrame: NSMakeRect (0, 0, pixelwidth, pixelheight)];
1322     [view setBoundsOrigin: origin];
1323   }
1324
1325   change_frame_size (f, rows, cols, 0, 1, 0); /* pretend, delay, safe */
1326   FRAME_PIXEL_WIDTH (f) = pixelwidth;
1327   FRAME_PIXEL_HEIGHT (f) = pixelheight;
1328 /*  SET_FRAME_GARBAGED (f); // this short-circuits expose call in drawRect */
1329
1330   mark_window_cursors_off (XWINDOW (f->root_window));
1331   cancel_mouse_face (f);
1332
1333   unblock_input ();
1334 }
1335
1336
1337 static void
1338 ns_fullscreen_hook (FRAME_PTR f)
1339 {
1340   EmacsView *view = (EmacsView *)FRAME_NS_VIEW (f);
1341
1342   if (! f->async_visible) return;
1343 #ifndef NEW_STYLE_FS
1344   if (f->want_fullscreen == FULLSCREEN_BOTH)
1345     {
1346       /* Old style fs don't initiate correctly if created from
1347          init/default-frame alist, so use a timer (not nice...).
1348       */
1349       [NSTimer scheduledTimerWithTimeInterval: 0.5 target: view
1350                                      selector: @selector (handleFS)
1351                                      userInfo: nil repeats: NO];
1352       return;
1353     }
1354 #endif
1355
1356   block_input ();
1357   [view handleFS];
1358   unblock_input ();
1359 }
1360
1361 /* ==========================================================================
1362
1363     Color management
1364
1365    ========================================================================== */
1366
1367
1368 NSColor *
1369 ns_lookup_indexed_color (unsigned long idx, struct frame *f)
1370 {
1371   struct ns_color_table *color_table = FRAME_NS_DISPLAY_INFO (f)->color_table;
1372   if (idx < 1 || idx >= color_table->avail)
1373     return nil;
1374   return color_table->colors[idx];
1375 }
1376
1377
1378 unsigned long
1379 ns_index_color (NSColor *color, struct frame *f)
1380 {
1381   struct ns_color_table *color_table = FRAME_NS_DISPLAY_INFO (f)->color_table;
1382   ptrdiff_t idx;
1383   ptrdiff_t i;
1384
1385   if (!color_table->colors)
1386     {
1387       color_table->size = NS_COLOR_CAPACITY;
1388       color_table->avail = 1; /* skip idx=0 as marker */
1389       color_table->colors = xmalloc (color_table->size * sizeof (NSColor *));
1390       color_table->colors[0] = nil;
1391       color_table->empty_indices = [[NSMutableSet alloc] init];
1392     }
1393
1394   /* do we already have this color ? */
1395   for (i = 1; i < color_table->avail; i++)
1396     if (color_table->colors[i] && [color_table->colors[i] isEqual: color])
1397       return i;
1398
1399   if ([color_table->empty_indices count] > 0)
1400     {
1401       NSNumber *index = [color_table->empty_indices anyObject];
1402       [color_table->empty_indices removeObject: index];
1403       idx = [index unsignedLongValue];
1404     }
1405   else
1406     {
1407       if (color_table->avail == color_table->size)
1408         color_table->colors =
1409           xpalloc (color_table->colors, &color_table->size, 1,
1410                    min (ULONG_MAX, PTRDIFF_MAX), sizeof *color_table->colors);
1411       idx = color_table->avail++;
1412     }
1413
1414   color_table->colors[idx] = color;
1415   [color retain];
1416 /*fprintf(stderr, "color_table: allocated %d\n",idx);*/
1417   return idx;
1418 }
1419
1420
1421 void
1422 ns_free_indexed_color (unsigned long idx, struct frame *f)
1423 {
1424   struct ns_color_table *color_table;
1425   NSColor *color;
1426   NSNumber *index;
1427
1428   if (!f)
1429     return;
1430
1431   color_table = FRAME_NS_DISPLAY_INFO (f)->color_table;
1432
1433   if (idx <= 0 || idx >= color_table->size) {
1434     message1 ("ns_free_indexed_color: Color index out of range.\n");
1435     return;
1436   }
1437
1438   index = [NSNumber numberWithUnsignedInt: idx];
1439   if ([color_table->empty_indices containsObject: index]) {
1440     message1 ("ns_free_indexed_color: attempt to free already freed color.\n");
1441     return;
1442   }
1443
1444   color = color_table->colors[idx];
1445   [color release];
1446   color_table->colors[idx] = nil;
1447   [color_table->empty_indices addObject: index];
1448 /*fprintf(stderr, "color_table: FREED %d\n",idx);*/
1449 }
1450
1451
1452 static int
1453 ns_get_color (const char *name, NSColor **col)
1454 /* --------------------------------------------------------------------------
1455      Parse a color name
1456    -------------------------------------------------------------------------- */
1457 /* On *Step, we attempt to mimic the X11 platform here, down to installing an
1458    X11 rgb.txt-compatible color list in Emacs.clr (see ns_term_init()).
1459    See: http://thread.gmane.org/gmane.emacs.devel/113050/focus=113272). */
1460 {
1461   NSColor *new = nil;
1462   static char hex[20];
1463   int scaling;
1464   float r = -1.0, g, b;
1465   NSString *nsname = [NSString stringWithUTF8String: name];
1466
1467 /*fprintf (stderr, "ns_get_color: '%s'\n", name); */
1468   block_input ();
1469
1470   if ([nsname isEqualToString: @"ns_selection_color"])
1471     {
1472       nsname = ns_selection_color;
1473       name = [ns_selection_color UTF8String];
1474     }
1475
1476   /* First, check for some sort of numeric specification. */
1477   hex[0] = '\0';
1478
1479   if (name[0] == '0' || name[0] == '1' || name[0] == '.')  /* RGB decimal */
1480     {
1481       NSScanner *scanner = [NSScanner scannerWithString: nsname];
1482       [scanner scanFloat: &r];
1483       [scanner scanFloat: &g];
1484       [scanner scanFloat: &b];
1485     }
1486   else if (!strncmp(name, "rgb:", 4))  /* A newer X11 format -- rgb:r/g/b */
1487     scaling = (snprintf (hex, sizeof hex, "%s", name + 4) - 2) / 3;
1488   else if (name[0] == '#')        /* An old X11 format; convert to newer */
1489     {
1490       int len = (strlen(name) - 1);
1491       int start = (len % 3 == 0) ? 1 : len / 4 + 1;
1492       int i;
1493       scaling = strlen(name+start) / 3;
1494       for (i = 0; i < 3; i++)
1495         sprintf (hex + i * (scaling + 1), "%.*s/", scaling,
1496                  name + start + i * scaling);
1497       hex[3 * (scaling + 1) - 1] = '\0';
1498     }
1499
1500   if (hex[0])
1501     {
1502       int rr, gg, bb;
1503       float fscale = scaling == 4 ? 65535.0 : (scaling == 2 ? 255.0 : 15.0);
1504       if (sscanf (hex, "%x/%x/%x", &rr, &gg, &bb))
1505         {
1506           r = rr / fscale;
1507           g = gg / fscale;
1508           b = bb / fscale;
1509         }
1510     }
1511
1512   if (r >= 0.0)
1513     {
1514       *col = [NSColor colorWithCalibratedRed: r green: g blue: b alpha: 1.0];
1515       unblock_input ();
1516       return 0;
1517     }
1518
1519   /* Otherwise, color is expected to be from a list */
1520   {
1521     NSEnumerator *lenum, *cenum;
1522     NSString *name;
1523     NSColorList *clist;
1524
1525 #ifdef NS_IMPL_GNUSTEP
1526     /* XXX: who is wrong, the requestor or the implementation? */
1527     if ([nsname compare: @"Highlight" options: NSCaseInsensitiveSearch]
1528         == NSOrderedSame)
1529       nsname = @"highlightColor";
1530 #endif
1531
1532     lenum = [[NSColorList availableColorLists] objectEnumerator];
1533     while ( (clist = [lenum nextObject]) && new == nil)
1534       {
1535         cenum = [[clist allKeys] objectEnumerator];
1536         while ( (name = [cenum nextObject]) && new == nil )
1537           {
1538             if ([name compare: nsname
1539                       options: NSCaseInsensitiveSearch] == NSOrderedSame )
1540               new = [clist colorWithKey: name];
1541           }
1542       }
1543   }
1544
1545   if (new)
1546     *col = [new colorUsingColorSpaceName: NSCalibratedRGBColorSpace];
1547   unblock_input ();
1548   return new ? 0 : 1;
1549 }
1550
1551
1552 int
1553 ns_lisp_to_color (Lisp_Object color, NSColor **col)
1554 /* --------------------------------------------------------------------------
1555      Convert a Lisp string object to a NS color
1556    -------------------------------------------------------------------------- */
1557 {
1558   NSTRACE (ns_lisp_to_color);
1559   if (STRINGP (color))
1560     return ns_get_color (SSDATA (color), col);
1561   else if (SYMBOLP (color))
1562     return ns_get_color (SSDATA (SYMBOL_NAME (color)), col);
1563   return 1;
1564 }
1565
1566
1567 Lisp_Object
1568 ns_color_to_lisp (NSColor *col)
1569 /* --------------------------------------------------------------------------
1570      Convert a color to a lisp string with the RGB equivalent
1571    -------------------------------------------------------------------------- */
1572 {
1573   CGFloat red, green, blue, alpha, gray;
1574   char buf[1024];
1575   const char *str;
1576   NSTRACE (ns_color_to_lisp);
1577
1578   block_input ();
1579   if ([[col colorSpaceName] isEqualToString: NSNamedColorSpace])
1580
1581       if ((str =[[col colorNameComponent] UTF8String]))
1582         {
1583           unblock_input ();
1584           return build_string ((char *)str);
1585         }
1586
1587     [[col colorUsingColorSpaceName: NSCalibratedRGBColorSpace]
1588         getRed: &red green: &green blue: &blue alpha: &alpha];
1589   if (red ==green && red ==blue)
1590     {
1591       [[col colorUsingColorSpaceName: NSCalibratedWhiteColorSpace]
1592             getWhite: &gray alpha: &alpha];
1593       snprintf (buf, sizeof (buf), "#%2.2lx%2.2lx%2.2lx",
1594                 lrint (gray * 0xff), lrint (gray * 0xff), lrint (gray * 0xff));
1595       unblock_input ();
1596       return build_string (buf);
1597     }
1598
1599   snprintf (buf, sizeof (buf), "#%2.2lx%2.2lx%2.2lx",
1600             lrint (red*0xff), lrint (green*0xff), lrint (blue*0xff));
1601
1602   unblock_input ();
1603   return build_string (buf);
1604 }
1605
1606
1607 void
1608 ns_query_color(void *col, XColor *color_def, int setPixel)
1609 /* --------------------------------------------------------------------------
1610          Get ARGB values out of NSColor col and put them into color_def.
1611          If setPixel, set the pixel to a concatenated version.
1612          and set color_def pixel to the resulting index.
1613    -------------------------------------------------------------------------- */
1614 {
1615   CGFloat r, g, b, a;
1616
1617   [((NSColor *)col) getRed: &r green: &g blue: &b alpha: &a];
1618   color_def->red   = r * 65535;
1619   color_def->green = g * 65535;
1620   color_def->blue  = b * 65535;
1621
1622   if (setPixel == YES)
1623     color_def->pixel
1624       = ARGB_TO_ULONG((int)(a*255),
1625                       (int)(r*255), (int)(g*255), (int)(b*255));
1626 }
1627
1628
1629 bool
1630 ns_defined_color (struct frame *f,
1631                   const char *name,
1632                   XColor *color_def,
1633                   bool alloc,
1634                   bool makeIndex)
1635 /* --------------------------------------------------------------------------
1636          Return true if named color found, and set color_def rgb accordingly.
1637          If makeIndex and alloc are nonzero put the color in the color_table,
1638          and set color_def pixel to the resulting index.
1639          If makeIndex is zero, set color_def pixel to ARGB.
1640          Return false if not found
1641    -------------------------------------------------------------------------- */
1642 {
1643   NSColor *col;
1644   NSTRACE (ns_defined_color);
1645
1646   block_input ();
1647   if (ns_get_color (name, &col) != 0) /* Color not found  */
1648     {
1649       unblock_input ();
1650       return 0;
1651     }
1652   if (makeIndex && alloc)
1653     color_def->pixel = ns_index_color (col, f);
1654   ns_query_color (col, color_def, !makeIndex);
1655   unblock_input ();
1656   return 1;
1657 }
1658
1659
1660 unsigned long
1661 ns_get_rgb_color (struct frame *f, float r, float g, float b, float a)
1662 /* --------------------------------------------------------------------------
1663     return an autoreleased RGB color
1664    -------------------------------------------------------------------------- */
1665 {
1666 /*static int c = 1; fprintf (stderr, "color request %d\n", c++); */
1667   if (r < 0.0) r = 0.0;
1668   else if (r > 1.0) r = 1.0;
1669   if (g < 0.0) g = 0.0;
1670   else if (g > 1.0) g = 1.0;
1671   if (b < 0.0) b = 0.0;
1672   else if (b > 1.0) b = 1.0;
1673   if (a < 0.0) a = 0.0;
1674   else if (a > 1.0) a = 1.0;
1675   return (unsigned long) ns_index_color(
1676     [NSColor colorWithCalibratedRed: r green: g blue: b alpha: a], f);
1677 }
1678
1679
1680 void
1681 x_set_frame_alpha (struct frame *f)
1682 /* --------------------------------------------------------------------------
1683      change the entire-frame transparency
1684    -------------------------------------------------------------------------- */
1685 {
1686   struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (f);
1687   EmacsView *view = FRAME_NS_VIEW (f);
1688   double alpha = 1.0;
1689   double alpha_min = 1.0;
1690
1691   if (dpyinfo->x_highlight_frame == f)
1692     alpha = f->alpha[0];
1693   else
1694     alpha = f->alpha[1];
1695
1696   if (FLOATP (Vframe_alpha_lower_limit))
1697     alpha_min = XFLOAT_DATA (Vframe_alpha_lower_limit);
1698   else if (INTEGERP (Vframe_alpha_lower_limit))
1699     alpha_min = (XINT (Vframe_alpha_lower_limit)) / 100.0;
1700
1701   if (alpha < 0.0)
1702     return;
1703   else if (1.0 < alpha)
1704     alpha = 1.0;
1705   else if (0.0 <= alpha && alpha < alpha_min && alpha_min <= 1.0)
1706     alpha = alpha_min;
1707
1708 #ifdef NS_IMPL_COCOA
1709   [[view window] setAlphaValue: alpha];
1710 #endif
1711 }
1712
1713
1714 /* ==========================================================================
1715
1716     Mouse handling
1717
1718    ========================================================================== */
1719
1720
1721 void
1722 x_set_mouse_pixel_position (struct frame *f, int pix_x, int pix_y)
1723 /* --------------------------------------------------------------------------
1724      Programmatically reposition mouse pointer in pixel coordinates
1725    -------------------------------------------------------------------------- */
1726 {
1727   NSTRACE (x_set_mouse_pixel_position);
1728   ns_raise_frame (f);
1729 #if 0
1730   /* FIXME: this does not work, and what about GNUstep? */
1731 #ifdef NS_IMPL_COCOA
1732   [FRAME_NS_VIEW (f) lockFocus];
1733   PSsetmouse ((float)pix_x, (float)pix_y);
1734   [FRAME_NS_VIEW (f) unlockFocus];
1735 #endif
1736 #endif
1737 }
1738
1739
1740 void
1741 x_set_mouse_position (struct frame *f, int h, int v)
1742 /* --------------------------------------------------------------------------
1743      Programmatically reposition mouse pointer in character coordinates
1744    -------------------------------------------------------------------------- */
1745 {
1746   int pix_x, pix_y;
1747
1748   pix_x = FRAME_COL_TO_PIXEL_X (f, h) + FRAME_COLUMN_WIDTH (f) / 2;
1749   pix_y = FRAME_LINE_TO_PIXEL_Y (f, v) + FRAME_LINE_HEIGHT (f) / 2;
1750
1751   if (pix_x < 0) pix_x = 0;
1752   if (pix_x > FRAME_PIXEL_WIDTH (f)) pix_x = FRAME_PIXEL_WIDTH (f);
1753
1754   if (pix_y < 0) pix_y = 0;
1755   if (pix_y > FRAME_PIXEL_HEIGHT (f)) pix_y = FRAME_PIXEL_HEIGHT (f);
1756
1757   x_set_mouse_pixel_position (f, pix_x, pix_y);
1758 }
1759
1760
1761 static int
1762 note_mouse_movement (struct frame *frame, float x, float y)
1763 /*   ------------------------------------------------------------------------
1764      Called by EmacsView on mouseMovement events.  Passes on
1765      to emacs mainstream code if we moved off of a rect of interest
1766      known as last_mouse_glyph.
1767      ------------------------------------------------------------------------ */
1768 {
1769 //  NSTRACE (note_mouse_movement);
1770
1771   XSETFRAME (last_mouse_motion_frame, frame);
1772
1773   /* Note, this doesn't get called for enter/leave, since we don't have a
1774      position.  Those are taken care of in the corresponding NSView methods. */
1775
1776   /* has movement gone beyond last rect we were tracking? */
1777   if (x < last_mouse_glyph.origin.x ||
1778       x >= (last_mouse_glyph.origin.x + last_mouse_glyph.size.width) ||
1779       y < last_mouse_glyph.origin.y ||
1780       y >= (last_mouse_glyph.origin.y + last_mouse_glyph.size.height))
1781     {
1782       ns_update_begin(frame);
1783       frame->mouse_moved = 1;
1784       note_mouse_highlight (frame, x, y);
1785       remember_mouse_glyph (frame, x, y, &last_mouse_glyph);
1786       ns_update_end(frame);
1787       return 1;
1788     }
1789
1790   return 0;
1791 }
1792
1793
1794 static void
1795 ns_mouse_position (struct frame **fp, int insist, Lisp_Object *bar_window,
1796                    enum scroll_bar_part *part, Lisp_Object *x, Lisp_Object *y,
1797                    Time *time)
1798 /* --------------------------------------------------------------------------
1799     External (hook): inform emacs about mouse position and hit parts.
1800     If a scrollbar is being dragged, set bar_window, part, x, y, time.
1801     x & y should be position in the scrollbar (the whole bar, not the handle)
1802     and length of scrollbar respectively
1803    -------------------------------------------------------------------------- */
1804 {
1805   id view;
1806   NSPoint position;
1807   Lisp_Object frame, tail;
1808   struct frame *f;
1809   struct ns_display_info *dpyinfo;
1810
1811   NSTRACE (ns_mouse_position);
1812
1813   if (*fp == NULL)
1814     {
1815       fprintf (stderr, "Warning: ns_mouse_position () called with null *fp.\n");
1816       return;
1817     }
1818
1819   dpyinfo = FRAME_NS_DISPLAY_INFO (*fp);
1820
1821   block_input ();
1822
1823   if (last_mouse_scroll_bar != nil && insist == 0)
1824     {
1825       /* TODO: we do not use this path at the moment because drag events will
1826            go directly to the EmacsScroller.  Leaving code in for now. */
1827       [last_mouse_scroll_bar getMouseMotionPart: (int *)part window: bar_window
1828                                               x: x y: y];
1829       if (time) *time = last_mouse_movement_time;
1830       last_mouse_scroll_bar = nil;
1831     }
1832   else
1833     {
1834       /* Clear the mouse-moved flag for every frame on this display.  */
1835       FOR_EACH_FRAME (tail, frame)
1836         if (FRAME_NS_P (XFRAME (frame))
1837             && FRAME_NS_DISPLAY (XFRAME (frame)) == FRAME_NS_DISPLAY (*fp))
1838           XFRAME (frame)->mouse_moved = 0;
1839
1840       last_mouse_scroll_bar = nil;
1841       if (last_mouse_frame && FRAME_LIVE_P (last_mouse_frame))
1842         f = last_mouse_frame;
1843       else
1844         f = dpyinfo->x_focus_frame ? dpyinfo->x_focus_frame
1845                                     : SELECTED_FRAME ();
1846
1847       if (f && f->output_data.ns)  /* TODO: 2nd check no longer needed? */
1848         {
1849           view = FRAME_NS_VIEW (*fp);
1850
1851           position = [[view window] mouseLocationOutsideOfEventStream];
1852           position = [view convertPoint: position fromView: nil];
1853           remember_mouse_glyph (f, position.x, position.y, &last_mouse_glyph);
1854 /*fprintf (stderr, "ns_mouse_position: %.0f, %.0f\n", position.x, position.y); */
1855
1856           if (bar_window) *bar_window = Qnil;
1857           if (part) *part = 0; /*scroll_bar_handle; */
1858
1859           if (x) XSETINT (*x, lrint (position.x));
1860           if (y) XSETINT (*y, lrint (position.y));
1861           if (time) *time = last_mouse_movement_time;
1862           *fp = f;
1863         }
1864     }
1865
1866   unblock_input ();
1867 }
1868
1869
1870 static void
1871 ns_frame_up_to_date (struct frame *f)
1872 /* --------------------------------------------------------------------------
1873     External (hook): Fix up mouse highlighting right after a full update.
1874     Some highlighting was deferred if GC was happening during
1875     note_mouse_highlight (), while other highlighting was deferred for update.
1876    -------------------------------------------------------------------------- */
1877 {
1878   NSTRACE (ns_frame_up_to_date);
1879
1880   if (FRAME_NS_P (f))
1881     {
1882       Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
1883       if ((hlinfo->mouse_face_deferred_gc || f ==hlinfo->mouse_face_mouse_frame)
1884       /*&& hlinfo->mouse_face_mouse_frame*/)
1885         {
1886           block_input ();
1887           ns_update_begin(f);
1888           if (hlinfo->mouse_face_mouse_frame)
1889             note_mouse_highlight (hlinfo->mouse_face_mouse_frame,
1890                                   hlinfo->mouse_face_mouse_x,
1891                                   hlinfo->mouse_face_mouse_y);
1892           hlinfo->mouse_face_deferred_gc = 0;
1893           ns_update_end(f);
1894           unblock_input ();
1895         }
1896     }
1897 }
1898
1899
1900 static void
1901 ns_define_frame_cursor (struct frame *f, Cursor cursor)
1902 /* --------------------------------------------------------------------------
1903     External (RIF): set frame mouse pointer type.
1904    -------------------------------------------------------------------------- */
1905 {
1906   NSTRACE (ns_define_frame_cursor);
1907   if (FRAME_POINTER_TYPE (f) != cursor)
1908     {
1909       EmacsView *view = FRAME_NS_VIEW (f);
1910       FRAME_POINTER_TYPE (f) = cursor;
1911       [[view window] invalidateCursorRectsForView: view];
1912       /* Redisplay assumes this function also draws the changed frame
1913          cursor, but this function doesn't, so do it explicitly.  */
1914       x_update_cursor (f, 1);
1915     }
1916 }
1917
1918
1919
1920 /* ==========================================================================
1921
1922     Keyboard handling
1923
1924    ========================================================================== */
1925
1926
1927 static unsigned
1928 ns_convert_key (unsigned code)
1929 /* --------------------------------------------------------------------------
1930     Internal call used by NSView-keyDown.
1931    -------------------------------------------------------------------------- */
1932 {
1933   const unsigned last_keysym = (sizeof (convert_ns_to_X_keysym)
1934                                 / sizeof (convert_ns_to_X_keysym[0]));
1935   unsigned keysym;
1936   /* An array would be faster, but less easy to read. */
1937   for (keysym = 0; keysym < last_keysym; keysym += 2)
1938     if (code == convert_ns_to_X_keysym[keysym])
1939       return 0xFF00 | convert_ns_to_X_keysym[keysym+1];
1940   return 0;
1941 /* if decide to use keyCode and Carbon table, use this line:
1942      return code > 0xff ? 0 : 0xFF00 | ns_keycode_to_xkeysym_table[code]; */
1943 }
1944
1945
1946 char *
1947 x_get_keysym_name (int keysym)
1948 /* --------------------------------------------------------------------------
1949     Called by keyboard.c.  Not sure if the return val is important, except
1950     that it be unique.
1951    -------------------------------------------------------------------------- */
1952 {
1953   static char value[16];
1954   NSTRACE (x_get_keysym_name);
1955   sprintf (value, "%d", keysym);
1956   return value;
1957 }
1958
1959
1960
1961 /* ==========================================================================
1962
1963     Block drawing operations
1964
1965    ========================================================================== */
1966
1967
1968 static void
1969 ns_redraw_scroll_bars (struct frame *f)
1970 {
1971   int i;
1972   id view;
1973   NSArray *subviews = [[FRAME_NS_VIEW (f) superview] subviews];
1974   NSTRACE (ns_redraw_scroll_bars);
1975   for (i =[subviews count]-1; i >= 0; i--)
1976     {
1977       view = [subviews objectAtIndex: i];
1978       if (![view isKindOfClass: [EmacsScroller class]]) continue;
1979       [view display];
1980     }
1981 }
1982
1983
1984 void
1985 ns_clear_frame (struct frame *f)
1986 /* --------------------------------------------------------------------------
1987       External (hook): Erase the entire frame
1988    -------------------------------------------------------------------------- */
1989 {
1990   NSView *view = FRAME_NS_VIEW (f);
1991   NSRect r;
1992
1993   NSTRACE (ns_clear_frame);
1994
1995  /* comes on initial frame because we have
1996     after-make-frame-functions = select-frame */
1997  if (!FRAME_DEFAULT_FACE (f))
1998    return;
1999
2000   mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f)));
2001
2002   output_cursor.hpos = output_cursor.vpos = 0;
2003   output_cursor.x = -1;
2004
2005   r = [view bounds];
2006
2007   block_input ();
2008   ns_focus (f, &r, 1);
2009   [ns_lookup_indexed_color (NS_FACE_BACKGROUND (FRAME_DEFAULT_FACE (f)), f) set];
2010   NSRectFill (r);
2011   ns_unfocus (f);
2012
2013   /* as of 2006/11 or so this is now needed */
2014   ns_redraw_scroll_bars (f);
2015   unblock_input ();
2016 }
2017
2018
2019 static void
2020 ns_clear_frame_area (struct frame *f, int x, int y, int width, int height)
2021 /* --------------------------------------------------------------------------
2022     External (RIF):  Clear section of frame
2023    -------------------------------------------------------------------------- */
2024 {
2025   NSRect r = NSMakeRect (x, y, width, height);
2026   NSView *view = FRAME_NS_VIEW (f);
2027   struct face *face = FRAME_DEFAULT_FACE (f);
2028
2029   if (!view || !face)
2030     return;
2031
2032   NSTRACE (ns_clear_frame_area);
2033
2034   r = NSIntersectionRect (r, [view frame]);
2035   ns_focus (f, &r, 1);
2036   [ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), f) set];
2037
2038   NSRectFill (r);
2039
2040   ns_unfocus (f);
2041   return;
2042 }
2043
2044
2045 static void
2046 ns_scroll_run (struct window *w, struct run *run)
2047 /* --------------------------------------------------------------------------
2048     External (RIF):  Insert or delete n lines at line vpos
2049    -------------------------------------------------------------------------- */
2050 {
2051   struct frame *f = XFRAME (w->frame);
2052   int x, y, width, height, from_y, to_y, bottom_y;
2053
2054   NSTRACE (ns_scroll_run);
2055
2056   /* begin copy from other terms */
2057   /* Get frame-relative bounding box of the text display area of W,
2058      without mode lines.  Include in this box the left and right
2059      fringe of W.  */
2060   window_box (w, -1, &x, &y, &width, &height);
2061
2062   from_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->current_y);
2063   to_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->desired_y);
2064   bottom_y = y + height;
2065
2066   if (to_y < from_y)
2067     {
2068       /* Scrolling up.  Make sure we don't copy part of the mode
2069          line at the bottom.  */
2070       if (from_y + run->height > bottom_y)
2071         height = bottom_y - from_y;
2072       else
2073         height = run->height;
2074     }
2075   else
2076     {
2077       /* Scrolling down.  Make sure we don't copy over the mode line.
2078          at the bottom.  */
2079       if (to_y + run->height > bottom_y)
2080         height = bottom_y - to_y;
2081       else
2082         height = run->height;
2083     }
2084   /* end copy from other terms */
2085
2086   if (height == 0)
2087       return;
2088
2089   block_input ();
2090
2091   updated_window = w;
2092   x_clear_cursor (w);
2093
2094   {
2095     NSRect srcRect = NSMakeRect (x, from_y, width, height);
2096     NSRect dstRect = NSMakeRect (x, to_y, width, height);
2097     NSPoint dstOrigin = NSMakePoint (x, to_y);
2098
2099     ns_focus (f, &dstRect, 1);
2100     NSCopyBits (0, srcRect , dstOrigin);
2101     ns_unfocus (f);
2102   }
2103
2104   unblock_input ();
2105 }
2106
2107
2108 static void
2109 ns_after_update_window_line (struct glyph_row *desired_row)
2110 /* --------------------------------------------------------------------------
2111     External (RIF): preparatory to fringe update after text was updated
2112    -------------------------------------------------------------------------- */
2113 {
2114   struct window *w = updated_window;
2115   struct frame *f;
2116   int width, height;
2117
2118   NSTRACE (ns_after_update_window_line);
2119
2120   /* begin copy from other terms */
2121   eassert (w);
2122
2123   if (!desired_row->mode_line_p && !w->pseudo_window_p)
2124     desired_row->redraw_fringe_bitmaps_p = 1;
2125
2126   /* When a window has disappeared, make sure that no rest of
2127      full-width rows stays visible in the internal border.  */
2128   if (windows_or_buffers_changed
2129       && desired_row->full_width_p
2130       && (f = XFRAME (w->frame),
2131           width = FRAME_INTERNAL_BORDER_WIDTH (f),
2132           width != 0)
2133       && (height = desired_row->visible_height,
2134           height > 0))
2135     {
2136       int y = WINDOW_TO_FRAME_PIXEL_Y (w, max (0, desired_row->y));
2137
2138       block_input ();
2139       ns_clear_frame_area (f, 0, y, width, height);
2140       ns_clear_frame_area (f,
2141                            FRAME_PIXEL_WIDTH (f) - width,
2142                            y, width, height);
2143       unblock_input ();
2144     }
2145 }
2146
2147
2148 static void
2149 ns_shift_glyphs_for_insert (struct frame *f,
2150                            int x, int y, int width, int height,
2151                            int shift_by)
2152 /* --------------------------------------------------------------------------
2153     External (RIF): copy an area horizontally, don't worry about clearing src
2154    -------------------------------------------------------------------------- */
2155 {
2156   NSRect srcRect = NSMakeRect (x, y, width, height);
2157   NSRect dstRect = NSMakeRect (x+shift_by, y, width, height);
2158   NSPoint dstOrigin = dstRect.origin;
2159
2160   NSTRACE (ns_shift_glyphs_for_insert);
2161
2162   ns_focus (f, &dstRect, 1);
2163   NSCopyBits (0, srcRect, dstOrigin);
2164   ns_unfocus (f);
2165 }
2166
2167
2168
2169 /* ==========================================================================
2170
2171     Character encoding and metrics
2172
2173    ========================================================================== */
2174
2175
2176 static void
2177 ns_compute_glyph_string_overhangs (struct glyph_string *s)
2178 /* --------------------------------------------------------------------------
2179      External (RIF); compute left/right overhang of whole string and set in s
2180    -------------------------------------------------------------------------- */
2181 {
2182   struct font *font = s->font;
2183
2184   if (s->char2b)
2185     {
2186       struct font_metrics metrics;
2187       unsigned int codes[2];
2188       codes[0] = *(s->char2b);
2189       codes[1] = *(s->char2b + s->nchars - 1);
2190
2191       font->driver->text_extents (font, codes, 2, &metrics);
2192       s->left_overhang = -metrics.lbearing;
2193       s->right_overhang
2194         = metrics.rbearing > metrics.width
2195         ? metrics.rbearing - metrics.width : 0;
2196     }
2197   else
2198     {
2199       s->left_overhang = 0;
2200       s->right_overhang = ((struct nsfont_info *)font)->ital ?
2201         FONT_HEIGHT (font) * 0.2 : 0;
2202     }
2203 }
2204
2205
2206
2207 /* ==========================================================================
2208
2209     Fringe and cursor drawing
2210
2211    ========================================================================== */
2212
2213
2214 extern int max_used_fringe_bitmap;
2215 static void
2216 ns_draw_fringe_bitmap (struct window *w, struct glyph_row *row,
2217                       struct draw_fringe_bitmap_params *p)
2218 /* --------------------------------------------------------------------------
2219     External (RIF); fringe-related
2220    -------------------------------------------------------------------------- */
2221 {
2222   struct frame *f = XFRAME (WINDOW_FRAME (w));
2223   struct face *face = p->face;
2224   int rowY;
2225   static EmacsImage **bimgs = NULL;
2226   static int nBimgs = 0;
2227
2228   /* grow bimgs if needed */
2229   if (nBimgs < max_used_fringe_bitmap)
2230     {
2231       bimgs = xrealloc (bimgs, max_used_fringe_bitmap * sizeof *bimgs);
2232       memset (bimgs + nBimgs, 0,
2233               (max_used_fringe_bitmap - nBimgs) * sizeof *bimgs);
2234       nBimgs = max_used_fringe_bitmap;
2235     }
2236
2237   /* Must clip because of partially visible lines.  */
2238   rowY = WINDOW_TO_FRAME_PIXEL_Y (w, row->y);
2239   ns_clip_to_row (w, row, -1, YES);
2240
2241   if (!p->overlay_p)
2242     {
2243       int bx = p->bx, by = p->by, nx = p->nx, ny = p->ny;
2244
2245       /* If the fringe is adjacent to the left (right) scroll bar of a
2246          leftmost (rightmost, respectively) window, then extend its
2247          background to the gap between the fringe and the bar.  */
2248       if ((WINDOW_LEFTMOST_P (w)
2249            && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w))
2250           || (WINDOW_RIGHTMOST_P (w)
2251               && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w)))
2252         {
2253           int sb_width = WINDOW_CONFIG_SCROLL_BAR_WIDTH (w);
2254
2255           if (sb_width > 0)
2256             {
2257               int bar_area_x = WINDOW_SCROLL_BAR_AREA_X (w);
2258               int bar_area_width = (WINDOW_CONFIG_SCROLL_BAR_COLS (w)
2259                                     * FRAME_COLUMN_WIDTH (f));
2260
2261               if (bx < 0)
2262                 {
2263                   /* Bitmap fills the fringe.  */
2264                   if (bar_area_x + bar_area_width == p->x)
2265                     bx = bar_area_x + sb_width;
2266                   else if (p->x + p->wd == bar_area_x)
2267                     bx = bar_area_x;
2268                   if (bx >= 0)
2269                     {
2270                       int header_line_height = WINDOW_HEADER_LINE_HEIGHT (w);
2271
2272                       nx = bar_area_width - sb_width;
2273                       by = WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height,
2274                                                             row->y));
2275                       ny = row->visible_height;
2276                     }
2277                 }
2278               else
2279                 {
2280                   if (bar_area_x + bar_area_width == bx)
2281                     {
2282                       bx = bar_area_x + sb_width;
2283                       nx += bar_area_width - sb_width;
2284                     }
2285                   else if (bx + nx == bar_area_x)
2286                     nx += bar_area_width - sb_width;
2287                 }
2288             }
2289         }
2290
2291       if (bx >= 0 && nx > 0)
2292         {
2293           NSRect r = NSMakeRect (bx, by, nx, ny);
2294           NSRectClip (r);
2295           [ns_lookup_indexed_color (face->background, f) set];
2296           NSRectFill (r);
2297         }
2298     }
2299
2300   if (p->which)
2301     {
2302       NSRect r = NSMakeRect (p->x, p->y, p->wd, p->h);
2303       EmacsImage *img = bimgs[p->which - 1];
2304
2305       if (!img)
2306         {
2307           unsigned short *bits = p->bits + p->dh;
2308           int len = p->h;
2309           int i;
2310           unsigned char *cbits = xmalloc (len);
2311
2312           for (i = 0; i < len; i++)
2313             cbits[i] = ~(bits[i] & 0xff);
2314           img = [[EmacsImage alloc] initFromXBM: cbits width: 8 height: p->h
2315                                            flip: NO];
2316           bimgs[p->which - 1] = img;
2317           xfree (cbits);
2318         }
2319
2320       NSRectClip (r);
2321       /* Since we composite the bitmap instead of just blitting it, we need
2322          to erase the whole background. */
2323       [ns_lookup_indexed_color(face->background, f) set];
2324       NSRectFill (r);
2325       [img setXBMColor: ns_lookup_indexed_color(face->foreground, f)];
2326 #if !defined (NS_IMPL_COCOA) || MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
2327       [img drawInRect: r
2328               fromRect: NSZeroRect
2329              operation: NSCompositeSourceOver
2330               fraction: 1.0
2331            respectFlipped: YES
2332                 hints: nil];
2333 #else
2334       {
2335         NSPoint pt = r.origin;
2336         pt.y += p->h;
2337         [img compositeToPoint: pt operation: NSCompositeSourceOver];
2338       }
2339 #endif
2340     }
2341   ns_unfocus (f);
2342 }
2343
2344
2345 static void
2346 ns_draw_window_cursor (struct window *w, struct glyph_row *glyph_row,
2347                        int x, int y, int cursor_type, int cursor_width,
2348                        int on_p, int active_p)
2349 /* --------------------------------------------------------------------------
2350      External call (RIF): draw cursor.
2351      Note that CURSOR_WIDTH is meaningful only for (h)bar cursors.
2352    -------------------------------------------------------------------------- */
2353 {
2354   NSRect r, s;
2355   int fx, fy, h, cursor_height;
2356   struct frame *f = WINDOW_XFRAME (w);
2357   struct glyph *phys_cursor_glyph;
2358   int overspill;
2359   struct glyph *cursor_glyph;
2360   struct face *face;
2361   NSColor *hollow_color = FRAME_BACKGROUND_COLOR (f);
2362
2363   /* If cursor is out of bounds, don't draw garbage.  This can happen
2364      in mini-buffer windows when switching between echo area glyphs
2365      and mini-buffer.  */
2366
2367   NSTRACE (dumpcursor);
2368
2369   if (!on_p)
2370     return;
2371
2372   w->phys_cursor_type = cursor_type;
2373   w->phys_cursor_on_p = on_p;
2374
2375   if (cursor_type == NO_CURSOR)
2376     {
2377       w->phys_cursor_width = 0;
2378       return;
2379     }
2380
2381   if ((phys_cursor_glyph = get_phys_cursor_glyph (w)) == NULL)
2382     {
2383       if (glyph_row->exact_window_width_line_p
2384           && w->phys_cursor.hpos >= glyph_row->used[TEXT_AREA])
2385         {
2386           glyph_row->cursor_in_fringe_p = 1;
2387           draw_fringe_bitmap (w, glyph_row, 0);
2388         }
2389       return;
2390     }
2391
2392   /* We draw the cursor (with NSRectFill), then draw the glyph on top
2393      (other terminals do it the other way round).  We must set
2394      w->phys_cursor_width to the cursor width.  For bar cursors, that
2395      is CURSOR_WIDTH; for box cursors, it is the glyph width.  */
2396   get_phys_cursor_geometry (w, glyph_row, phys_cursor_glyph, &fx, &fy, &h);
2397
2398   /* The above get_phys_cursor_geometry call set w->phys_cursor_width
2399      to the glyph width; replace with CURSOR_WIDTH for (V)BAR cursors. */
2400   if (cursor_type == BAR_CURSOR)
2401     {
2402       if (cursor_width < 1)
2403         cursor_width = max (FRAME_CURSOR_WIDTH (f), 1);
2404       w->phys_cursor_width = cursor_width;
2405     }
2406   /* If we have an HBAR, "cursor_width" MAY specify height. */
2407   else if (cursor_type == HBAR_CURSOR)
2408     {
2409       cursor_height = (cursor_width < 1) ? lrint (0.25 * h) : cursor_width;
2410       fy += h - cursor_height;
2411       h = cursor_height;
2412     }
2413
2414   r.origin.x = fx, r.origin.y = fy;
2415   r.size.height = h;
2416   r.size.width = w->phys_cursor_width;
2417
2418   /* TODO: only needed in rare cases with last-resort font in HELLO..
2419      should we do this more efficiently? */
2420   ns_clip_to_row (w, glyph_row, -1, NO); /* do ns_focus(f, &r, 1); if remove */
2421
2422
2423   face = FACE_FROM_ID (f, phys_cursor_glyph->face_id);
2424   if (face && NS_FACE_BACKGROUND (face)
2425       == ns_index_color (FRAME_CURSOR_COLOR (f), f))
2426     {
2427       [ns_lookup_indexed_color (NS_FACE_FOREGROUND (face), f) set];
2428       hollow_color = FRAME_CURSOR_COLOR (f);
2429     }
2430   else
2431     [FRAME_CURSOR_COLOR (f) set];
2432
2433 #ifdef NS_IMPL_COCOA
2434   /* TODO: This makes drawing of cursor plus that of phys_cursor_glyph
2435            atomic.  Cleaner ways of doing this should be investigated.
2436            One way would be to set a global variable DRAWING_CURSOR
2437            when making the call to draw_phys..(), don't focus in that
2438            case, then move the ns_unfocus() here after that call. */
2439   NSDisableScreenUpdates ();
2440 #endif
2441
2442   switch (cursor_type)
2443     {
2444     case NO_CURSOR:
2445       break;
2446     case FILLED_BOX_CURSOR:
2447       NSRectFill (r);
2448       break;
2449     case HOLLOW_BOX_CURSOR:
2450       NSRectFill (r);
2451       [hollow_color set];
2452       NSRectFill (NSInsetRect (r, 1, 1));
2453       [FRAME_CURSOR_COLOR (f) set];
2454       break;
2455     case HBAR_CURSOR:
2456       NSRectFill (r);
2457       break;
2458     case BAR_CURSOR:
2459       s = r;
2460       /* If the character under cursor is R2L, draw the bar cursor
2461          on the right of its glyph, rather than on the left.  */
2462       cursor_glyph = get_phys_cursor_glyph (w);
2463       if ((cursor_glyph->resolved_level & 1) != 0)
2464         s.origin.x += cursor_glyph->pixel_width - s.size.width;
2465
2466       NSRectFill (s);
2467       break;
2468     }
2469   ns_unfocus (f);
2470
2471   /* draw the character under the cursor */
2472   if (cursor_type != NO_CURSOR)
2473     draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR);
2474
2475 #ifdef NS_IMPL_COCOA
2476   NSEnableScreenUpdates ();
2477 #endif
2478
2479 }
2480
2481
2482 static void
2483 ns_draw_vertical_window_border (struct window *w, int x, int y0, int y1)
2484 /* --------------------------------------------------------------------------
2485      External (RIF): Draw a vertical line.
2486    -------------------------------------------------------------------------- */
2487 {
2488   struct frame *f = XFRAME (WINDOW_FRAME (w));
2489   struct face *face;
2490   NSRect r = NSMakeRect (x, y0, 1, y1-y0);
2491
2492   NSTRACE (ns_draw_vertical_window_border);
2493
2494   face = FACE_FROM_ID (f, VERTICAL_BORDER_FACE_ID);
2495   if (face)
2496       [ns_lookup_indexed_color(face->foreground, f) set];
2497
2498   ns_focus (f, &r, 1);
2499   NSRectFill(r);
2500   ns_unfocus (f);
2501 }
2502
2503
2504 void
2505 show_hourglass (struct atimer *timer)
2506 {
2507   if (hourglass_shown_p)
2508     return;
2509
2510   block_input ();
2511
2512   /* TODO: add NSProgressIndicator to selected frame (see macfns.c) */
2513
2514   hourglass_shown_p = 1;
2515   unblock_input ();
2516 }
2517
2518
2519 void
2520 hide_hourglass (void)
2521 {
2522   if (!hourglass_shown_p)
2523     return;
2524
2525   block_input ();
2526
2527   /* TODO: remove NSProgressIndicator from all frames */
2528
2529   hourglass_shown_p = 0;
2530   unblock_input ();
2531 }
2532
2533
2534
2535 /* ==========================================================================
2536
2537     Glyph drawing operations
2538
2539    ========================================================================== */
2540
2541 static int
2542 ns_get_glyph_string_clip_rect (struct glyph_string *s, NativeRectangle *nr)
2543 /* --------------------------------------------------------------------------
2544     Wrapper utility to account for internal border width on full-width lines,
2545     and allow top full-width rows to hit the frame top.  nr should be pointer
2546     to two successive NSRects.  Number of rects actually used is returned.
2547    -------------------------------------------------------------------------- */
2548 {
2549   int n = get_glyph_string_clip_rects (s, nr, 2);
2550   return n;
2551 }
2552
2553 /* --------------------------------------------------------------------
2554    Draw a wavy line under glyph string s. The wave fills wave_height
2555    pixels from y.
2556
2557                     x          wave_length = 2
2558                                  --
2559                 y    *   *   *   *   *
2560                      |* * * * * * * * *
2561     wave_height = 3  | *   *   *   *
2562   --------------------------------------------------------------------- */
2563
2564 static void
2565 ns_draw_underwave (struct glyph_string *s, CGFloat width, CGFloat x)
2566 {
2567   int wave_height = 3, wave_length = 2;
2568   int y, dx, dy, odd, xmax;
2569   NSPoint a, b;
2570   NSRect waveClip;
2571
2572   dx = wave_length;
2573   dy = wave_height - 1;
2574   y =  s->ybase - wave_height + 3;
2575   xmax = x + width;
2576
2577   /* Find and set clipping rectangle */
2578   waveClip = NSMakeRect (x, y, width, wave_height);
2579   [[NSGraphicsContext currentContext] saveGraphicsState];
2580   NSRectClip (waveClip);
2581
2582   /* Draw the waves */
2583   a.x = x - ((int)(x) % dx) + 0.5;
2584   b.x = a.x + dx;
2585   odd = (int)(a.x/dx) % 2;
2586   a.y = b.y = y + 0.5;
2587
2588   if (odd)
2589     a.y += dy;
2590   else
2591     b.y += dy;
2592
2593   while (a.x <= xmax)
2594     {
2595       [NSBezierPath strokeLineFromPoint:a toPoint:b];
2596       a.x = b.x, a.y = b.y;
2597       b.x += dx, b.y = y + 0.5 + odd*dy;
2598       odd = !odd;
2599     }
2600
2601   /* Restore previous clipping rectangle(s) */
2602   [[NSGraphicsContext currentContext] restoreGraphicsState];
2603 }
2604
2605
2606
2607 void
2608 ns_draw_text_decoration (struct glyph_string *s, struct face *face,
2609                          NSColor *defaultCol, CGFloat width, CGFloat x)
2610 /* --------------------------------------------------------------------------
2611    Draw underline, overline, and strike-through on glyph string s.
2612    -------------------------------------------------------------------------- */
2613 {
2614   if (s->for_overlaps)
2615     return;
2616
2617   /* Do underline. */
2618   if (face->underline_p)
2619     {
2620       if (s->face->underline_type == FACE_UNDER_WAVE)
2621         {
2622           if (face->underline_defaulted_p)
2623             [defaultCol set];
2624           else
2625             [ns_lookup_indexed_color (face->underline_color, s->f) set];
2626
2627           ns_draw_underwave (s, width, x);
2628         }
2629       else if (s->face->underline_type == FACE_UNDER_LINE)
2630         {
2631
2632           NSRect r;
2633           unsigned long thickness, position;
2634
2635           /* If the prev was underlined, match its appearance. */
2636           if (s->prev && s->prev->face->underline_p
2637               && s->prev->face->underline_type == FACE_UNDER_LINE
2638               && s->prev->underline_thickness > 0)
2639             {
2640               thickness = s->prev->underline_thickness;
2641               position = s->prev->underline_position;
2642             }
2643           else
2644             {
2645               struct font *font;
2646               unsigned long descent;
2647
2648               font=s->font;
2649               descent = s->y + s->height - s->ybase;
2650
2651               /* Use underline thickness of font, defaulting to 1. */
2652               thickness = (font && font->underline_thickness > 0)
2653                 ? font->underline_thickness : 1;
2654
2655               /* Determine the offset of underlining from the baseline. */
2656               if (x_underline_at_descent_line)
2657                 position = descent - thickness;
2658               else if (x_use_underline_position_properties
2659                        && font && font->underline_position >= 0)
2660                 position = font->underline_position;
2661               else if (font)
2662                 position = lround (font->descent / 2);
2663               else
2664                 position = underline_minimum_offset;
2665
2666               position = max (position, underline_minimum_offset);
2667
2668               /* Ensure underlining is not cropped. */
2669               if (descent <= position)
2670                 {
2671                   position = descent - 1;
2672                   thickness = 1;
2673                 }
2674               else if (descent < position + thickness)
2675                 thickness = 1;
2676             }
2677
2678           s->underline_thickness = thickness;
2679           s->underline_position = position;
2680
2681           r = NSMakeRect (x, s->ybase + position, width, thickness);
2682
2683           if (face->underline_defaulted_p)
2684             [defaultCol set];
2685           else
2686             [ns_lookup_indexed_color (face->underline_color, s->f) set];
2687           NSRectFill (r);
2688         }
2689     }
2690   /* Do overline. We follow other terms in using a thickness of 1
2691      and ignoring overline_margin. */
2692   if (face->overline_p)
2693     {
2694       NSRect r;
2695       r = NSMakeRect (x, s->y, width, 1);
2696
2697       if (face->overline_color_defaulted_p)
2698         [defaultCol set];
2699       else
2700         [ns_lookup_indexed_color (face->overline_color, s->f) set];
2701       NSRectFill (r);
2702     }
2703
2704   /* Do strike-through.  We follow other terms for thickness and
2705      vertical position.*/
2706   if (face->strike_through_p)
2707     {
2708       NSRect r;
2709       unsigned long dy;
2710
2711       dy = lrint ((s->height - 1) / 2);
2712       r = NSMakeRect (x, s->y + dy, width, 1);
2713
2714       if (face->strike_through_color_defaulted_p)
2715         [defaultCol set];
2716       else
2717         [ns_lookup_indexed_color (face->strike_through_color, s->f) set];
2718       NSRectFill (r);
2719     }
2720 }
2721
2722 static void
2723 ns_draw_box (NSRect r, float thickness, NSColor *col, char left_p, char right_p)
2724 /* --------------------------------------------------------------------------
2725     Draw an unfilled rect inside r, optionally leaving left and/or right open.
2726     Note we can't just use an NSDrawRect command, because of the possibility
2727     of some sides not being drawn, and because the rect will be filled.
2728    -------------------------------------------------------------------------- */
2729 {
2730   NSRect s = r;
2731   [col set];
2732
2733   /* top, bottom */
2734   s.size.height = thickness;
2735   NSRectFill (s);
2736   s.origin.y += r.size.height - thickness;
2737   NSRectFill (s);
2738
2739   s.size.height = r.size.height;
2740   s.origin.y = r.origin.y;
2741
2742   /* left, right (optional) */
2743   s.size.width = thickness;
2744   if (left_p)
2745     NSRectFill (s);
2746   if (right_p)
2747     {
2748       s.origin.x += r.size.width - thickness;
2749       NSRectFill (s);
2750     }
2751 }
2752
2753
2754 static void
2755 ns_draw_relief (NSRect r, int thickness, char raised_p,
2756                char top_p, char bottom_p, char left_p, char right_p,
2757                struct glyph_string *s)
2758 /* --------------------------------------------------------------------------
2759     Draw a relief rect inside r, optionally leaving some sides open.
2760     Note we can't just use an NSDrawBezel command, because of the possibility
2761     of some sides not being drawn, and because the rect will be filled.
2762    -------------------------------------------------------------------------- */
2763 {
2764   static NSColor *baseCol = nil, *lightCol = nil, *darkCol = nil;
2765   NSColor *newBaseCol = nil;
2766   NSRect sr = r;
2767
2768   NSTRACE (ns_draw_relief);
2769
2770   /* set up colors */
2771
2772   if (s->face->use_box_color_for_shadows_p)
2773     {
2774       newBaseCol = ns_lookup_indexed_color (s->face->box_color, s->f);
2775     }
2776 /*     else if (s->first_glyph->type == IMAGE_GLYPH
2777            && s->img->pixmap
2778            && !IMAGE_BACKGROUND_TRANSPARENT (s->img, s->f, 0))
2779        {
2780          newBaseCol = IMAGE_BACKGROUND  (s->img, s->f, 0);
2781        } */
2782   else
2783     {
2784       newBaseCol = ns_lookup_indexed_color (s->face->background, s->f);
2785     }
2786
2787   if (newBaseCol == nil)
2788     newBaseCol = [NSColor grayColor];
2789
2790   if (newBaseCol != baseCol)  /* TODO: better check */
2791     {
2792       [baseCol release];
2793       baseCol = [newBaseCol retain];
2794       [lightCol release];
2795       lightCol = [[baseCol highlightWithLevel: 0.2] retain];
2796       [darkCol release];
2797       darkCol = [[baseCol shadowWithLevel: 0.3] retain];
2798     }
2799
2800   [(raised_p ? lightCol : darkCol) set];
2801
2802   /* TODO: mitering. Using NSBezierPath doesn't work because of color switch. */
2803
2804   /* top */
2805   sr.size.height = thickness;
2806   if (top_p) NSRectFill (sr);
2807
2808   /* left */
2809   sr.size.height = r.size.height;
2810   sr.size.width = thickness;
2811   if (left_p) NSRectFill (sr);
2812
2813   [(raised_p ? darkCol : lightCol) set];
2814
2815   /* bottom */
2816   sr.size.width = r.size.width;
2817   sr.size.height = thickness;
2818   sr.origin.y += r.size.height - thickness;
2819   if (bottom_p) NSRectFill (sr);
2820
2821   /* right */
2822   sr.size.height = r.size.height;
2823   sr.origin.y = r.origin.y;
2824   sr.size.width = thickness;
2825   sr.origin.x += r.size.width - thickness;
2826   if (right_p) NSRectFill (sr);
2827 }
2828
2829
2830 static void
2831 ns_dumpglyphs_box_or_relief (struct glyph_string *s)
2832 /* --------------------------------------------------------------------------
2833       Function modeled after x_draw_glyph_string_box ().
2834       Sets up parameters for drawing.
2835    -------------------------------------------------------------------------- */
2836 {
2837   int right_x, last_x;
2838   char left_p, right_p;
2839   struct glyph *last_glyph;
2840   NSRect r;
2841   int thickness;
2842   struct face *face;
2843
2844   if (s->hl == DRAW_MOUSE_FACE)
2845     {
2846       face = FACE_FROM_ID (s->f, MOUSE_HL_INFO (s->f)->mouse_face_face_id);
2847       if (!face)
2848         face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
2849     }
2850   else
2851     face = s->face;
2852
2853   thickness = face->box_line_width;
2854
2855   NSTRACE (ns_dumpglyphs_box_or_relief);
2856
2857   last_x = ((s->row->full_width_p && !s->w->pseudo_window_p)
2858             ? WINDOW_RIGHT_EDGE_X (s->w)
2859             : window_box_right (s->w, s->area));
2860   last_glyph = (s->cmp || s->img
2861                 ? s->first_glyph : s->first_glyph + s->nchars-1);
2862
2863   right_x = ((s->row->full_width_p && s->extends_to_end_of_line_p
2864               ? last_x - 1 : min (last_x, s->x + s->background_width) - 1));
2865
2866   left_p = (s->first_glyph->left_box_line_p
2867             || (s->hl == DRAW_MOUSE_FACE
2868                 && (s->prev == NULL || s->prev->hl != s->hl)));
2869   right_p = (last_glyph->right_box_line_p
2870              || (s->hl == DRAW_MOUSE_FACE
2871                  && (s->next == NULL || s->next->hl != s->hl)));
2872
2873   r = NSMakeRect (s->x, s->y, right_x - s->x + 1, s->height);
2874
2875   /* TODO: Sometimes box_color is 0 and this seems wrong; should investigate. */
2876   if (s->face->box == FACE_SIMPLE_BOX && s->face->box_color)
2877     {
2878       ns_draw_box (r, abs (thickness),
2879                    ns_lookup_indexed_color (face->box_color, s->f),
2880                   left_p, right_p);
2881     }
2882   else
2883     {
2884       ns_draw_relief (r, abs (thickness), s->face->box == FACE_RAISED_BOX,
2885                      1, 1, left_p, right_p, s);
2886     }
2887 }
2888
2889
2890 static void
2891 ns_maybe_dumpglyphs_background (struct glyph_string *s, char force_p)
2892 /* --------------------------------------------------------------------------
2893       Modeled after x_draw_glyph_string_background, which draws BG in
2894       certain cases.  Others are left to the text rendering routine.
2895    -------------------------------------------------------------------------- */
2896 {
2897   NSTRACE (ns_maybe_dumpglyphs_background);
2898
2899   if (!s->background_filled_p/* || s->hl == DRAW_MOUSE_FACE*/)
2900     {
2901       int box_line_width = max (s->face->box_line_width, 0);
2902       if (FONT_HEIGHT (s->font) < s->height - 2 * box_line_width
2903           || s->font_not_found_p || s->extends_to_end_of_line_p || force_p)
2904         {
2905           struct face *face;
2906           if (s->hl == DRAW_MOUSE_FACE)
2907             {
2908               face = FACE_FROM_ID (s->f,
2909                                    MOUSE_HL_INFO (s->f)->mouse_face_face_id);
2910               if (!face)
2911                 face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
2912             }
2913           else
2914             face = FACE_FROM_ID (s->f, s->first_glyph->face_id);
2915           if (!face->stipple)
2916             [(NS_FACE_BACKGROUND (face) != 0
2917               ? ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), s->f)
2918               : FRAME_BACKGROUND_COLOR (s->f)) set];
2919           else
2920             {
2921               struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (s->f);
2922               [[dpyinfo->bitmaps[face->stipple-1].img stippleMask] set];
2923             }
2924
2925           if (s->hl != DRAW_CURSOR)
2926             {
2927               NSRect r = NSMakeRect (s->x, s->y + box_line_width,
2928                                     s->background_width,
2929                                     s->height-2*box_line_width);
2930               NSRectFill (r);
2931             }
2932
2933           s->background_filled_p = 1;
2934         }
2935     }
2936 }
2937
2938
2939 static void
2940 ns_dumpglyphs_image (struct glyph_string *s, NSRect r)
2941 /* --------------------------------------------------------------------------
2942       Renders an image and associated borders.
2943    -------------------------------------------------------------------------- */
2944 {
2945   EmacsImage *img = s->img->pixmap;
2946   int box_line_vwidth = max (s->face->box_line_width, 0);
2947   int x = s->x, y = s->ybase - image_ascent (s->img, s->face, &s->slice);
2948   int bg_x, bg_y, bg_height;
2949   int th;
2950   char raised_p;
2951   NSRect br;
2952   struct face *face;
2953   NSColor *tdCol;
2954
2955   NSTRACE (ns_dumpglyphs_image);
2956
2957   if (s->face->box != FACE_NO_BOX
2958       && s->first_glyph->left_box_line_p && s->slice.x == 0)
2959     x += abs (s->face->box_line_width);
2960
2961   bg_x = x;
2962   bg_y =  s->slice.y == 0 ? s->y : s->y + box_line_vwidth;
2963   bg_height = s->height;
2964   /* other terms have this, but was causing problems w/tabbar mode */
2965   /* - 2 * box_line_vwidth; */
2966
2967   if (s->slice.x == 0) x += s->img->hmargin;
2968   if (s->slice.y == 0) y += s->img->vmargin;
2969
2970   /* Draw BG: if we need larger area than image itself cleared, do that,
2971      otherwise, since we composite the image under NS (instead of mucking
2972      with its background color), we must clear just the image area. */
2973   if (s->hl == DRAW_MOUSE_FACE)
2974     {
2975       face = FACE_FROM_ID (s->f, MOUSE_HL_INFO (s->f)->mouse_face_face_id);
2976       if (!face)
2977        face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
2978     }
2979   else
2980     face = FACE_FROM_ID (s->f, s->first_glyph->face_id);
2981
2982   [ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), s->f) set];
2983
2984   if (bg_height > s->slice.height || s->img->hmargin || s->img->vmargin
2985       || s->img->mask || s->img->pixmap == 0 || s->width != s->background_width)
2986     {
2987       br = NSMakeRect (bg_x, bg_y, s->background_width, bg_height);
2988       s->background_filled_p = 1;
2989     }
2990   else
2991     {
2992       br = NSMakeRect (x, y, s->slice.width, s->slice.height);
2993     }
2994
2995   NSRectFill (br);
2996
2997   /* Draw the image.. do we need to draw placeholder if img ==nil? */
2998   if (img != nil)
2999     {
3000 #if !defined (NS_IMPL_COCOA) || MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
3001       NSRect dr = NSMakeRect (x, y, s->slice.width, s->slice.height);
3002       NSRect ir = NSMakeRect (s->slice.x, s->slice.y,
3003                               s->slice.width, s->slice.height);
3004       [img drawInRect: dr
3005              fromRect: ir
3006              operation: NSCompositeSourceOver
3007               fraction: 1.0
3008            respectFlipped: YES
3009                 hints: nil];
3010 #else
3011       [img compositeToPoint: NSMakePoint (x, y + s->slice.height)
3012                   operation: NSCompositeSourceOver];
3013 #endif
3014     }
3015
3016   if (s->hl == DRAW_CURSOR)
3017     {
3018     [FRAME_CURSOR_COLOR (s->f) set];
3019     if (s->w->phys_cursor_type == FILLED_BOX_CURSOR)
3020       tdCol = ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), s->f);
3021     else
3022       /* Currently on NS img->mask is always 0. Since
3023          get_window_cursor_type specifies a hollow box cursor when on
3024          a non-masked image we never reach this clause. But we put it
3025          in in anticipation of better support for image masks on
3026          NS. */
3027       tdCol = ns_lookup_indexed_color (NS_FACE_FOREGROUND (face), s->f);
3028     }
3029   else
3030     {
3031       tdCol = ns_lookup_indexed_color (NS_FACE_FOREGROUND (face), s->f);
3032     }
3033
3034   /* Draw underline, overline, strike-through. */
3035   ns_draw_text_decoration (s, face, tdCol, br.size.width, br.origin.x);
3036
3037   /* Draw relief, if requested */
3038   if (s->img->relief || s->hl ==DRAW_IMAGE_RAISED || s->hl ==DRAW_IMAGE_SUNKEN)
3039     {
3040       if (s->hl == DRAW_IMAGE_SUNKEN || s->hl == DRAW_IMAGE_RAISED)
3041         {
3042           th = tool_bar_button_relief >= 0 ?
3043             tool_bar_button_relief : DEFAULT_TOOL_BAR_BUTTON_RELIEF;
3044           raised_p = (s->hl == DRAW_IMAGE_RAISED);
3045         }
3046       else
3047         {
3048           th = abs (s->img->relief);
3049           raised_p = (s->img->relief > 0);
3050         }
3051
3052       r.origin.x = x - th;
3053       r.origin.y = y - th;
3054       r.size.width = s->slice.width + 2*th-1;
3055       r.size.height = s->slice.height + 2*th-1;
3056       ns_draw_relief (r, th, raised_p,
3057                       s->slice.y == 0,
3058                       s->slice.y + s->slice.height == s->img->height,
3059                       s->slice.x == 0,
3060                       s->slice.x + s->slice.width == s->img->width, s);
3061     }
3062
3063   /* If there is no mask, the background won't be seen,
3064      so draw a rectangle on the image for the cursor.
3065      Do this for all images, getting transparency right is not reliable.  */
3066   if (s->hl == DRAW_CURSOR)
3067     {
3068       int thickness = abs (s->img->relief);
3069       if (thickness == 0) thickness = 1;
3070       ns_draw_box (br, thickness, FRAME_CURSOR_COLOR (s->f), 1, 1);
3071     }
3072 }
3073
3074
3075 static void
3076 ns_dumpglyphs_stretch (struct glyph_string *s)
3077 {
3078   NSRect r[2];
3079   int n, i;
3080   struct face *face;
3081   NSColor *fgCol, *bgCol;
3082
3083   if (!s->background_filled_p)
3084     {
3085       n = ns_get_glyph_string_clip_rect (s, r);
3086       *r = NSMakeRect (s->x, s->y, s->background_width, s->height);
3087
3088       ns_focus (s->f, r, n);
3089
3090       if (s->hl == DRAW_MOUSE_FACE)
3091        {
3092          face = FACE_FROM_ID (s->f, MOUSE_HL_INFO (s->f)->mouse_face_face_id);
3093          if (!face)
3094            face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
3095        }
3096       else
3097        face = FACE_FROM_ID (s->f, s->first_glyph->face_id);
3098
3099       bgCol = ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), s->f);
3100       fgCol = ns_lookup_indexed_color (NS_FACE_FOREGROUND (face), s->f);
3101
3102       for (i = 0; i < n; ++i)
3103         {
3104           if (!s->row->full_width_p)
3105             {
3106               int overrun, leftoverrun;
3107
3108               /* truncate to avoid overwriting fringe and/or scrollbar */
3109               overrun = max (0, (s->x + s->background_width)
3110                              - (WINDOW_BOX_RIGHT_EDGE_X (s->w)
3111                                 - WINDOW_RIGHT_FRINGE_WIDTH (s->w)));
3112               r[i].size.width -= overrun;
3113
3114               /* truncate to avoid overwriting to left of the window box */
3115               leftoverrun = (WINDOW_BOX_LEFT_EDGE_X (s->w)
3116                              + WINDOW_LEFT_FRINGE_WIDTH (s->w)) - s->x;
3117
3118               if (leftoverrun > 0)
3119                 {
3120                   r[i].origin.x += leftoverrun;
3121                   r[i].size.width -= leftoverrun;
3122                 }
3123
3124               /* XXX: Try to work between problem where a stretch glyph on
3125                  a partially-visible bottom row will clear part of the
3126                  modeline, and another where list-buffers headers and similar
3127                  rows erroneously have visible_height set to 0.  Not sure
3128                  where this is coming from as other terms seem not to show. */
3129               r[i].size.height = min (s->height, s->row->visible_height);
3130             }
3131
3132           [bgCol set];
3133
3134           /* NOTE: under NS this is NOT used to draw cursors, but we must avoid
3135              overwriting cursor (usually when cursor on a tab) */
3136           if (s->hl == DRAW_CURSOR)
3137             {
3138               CGFloat x, width;
3139
3140               x = r[i].origin.x;
3141               width = s->w->phys_cursor_width;
3142               r[i].size.width -= width;
3143               r[i].origin.x += width;
3144
3145               NSRectFill (r[i]);
3146
3147               /* Draw overlining, etc. on the cursor. */
3148               if (s->w->phys_cursor_type == FILLED_BOX_CURSOR)
3149                 ns_draw_text_decoration (s, face, bgCol, width, x);
3150               else
3151                 ns_draw_text_decoration (s, face, fgCol, width, x);
3152             }
3153           else
3154             {
3155               NSRectFill (r[i]);
3156             }
3157
3158           /* Draw overlining, etc. on the stretch glyph (or the part
3159              of the stretch glyph after the cursor). */
3160           ns_draw_text_decoration (s, face, fgCol, r[i].size.width,
3161                                    r[i].origin.x);
3162         }
3163       ns_unfocus (s->f);
3164       s->background_filled_p = 1;
3165     }
3166 }
3167
3168
3169 static void
3170 ns_draw_glyph_string (struct glyph_string *s)
3171 /* --------------------------------------------------------------------------
3172       External (RIF): Main draw-text call.
3173    -------------------------------------------------------------------------- */
3174 {
3175   /* TODO (optimize): focus for box and contents draw */
3176   NSRect r[2];
3177   int n;
3178   char box_drawn_p = 0;
3179
3180   NSTRACE (ns_draw_glyph_string);
3181
3182   if (s->next && s->right_overhang && !s->for_overlaps/*&&s->hl!=DRAW_CURSOR*/)
3183     {
3184       int width;
3185       struct glyph_string *next;
3186
3187       for (width = 0, next = s->next;
3188            next && width < s->right_overhang;
3189            width += next->width, next = next->next)
3190         if (next->first_glyph->type != IMAGE_GLYPH)
3191           {
3192             if (next->first_glyph->type != STRETCH_GLYPH)
3193               {
3194                 n = ns_get_glyph_string_clip_rect (s->next, r);
3195                 ns_focus (s->f, r, n);
3196                 ns_maybe_dumpglyphs_background (s->next, 1);
3197                 ns_unfocus (s->f);
3198               }
3199             else
3200               {
3201                 ns_dumpglyphs_stretch (s->next);
3202               }
3203             next->num_clips = 0;
3204           }
3205     }
3206
3207   if (!s->for_overlaps && s->face->box != FACE_NO_BOX
3208         && (s->first_glyph->type == CHAR_GLYPH
3209             || s->first_glyph->type == COMPOSITE_GLYPH))
3210     {
3211       n = ns_get_glyph_string_clip_rect (s, r);
3212       ns_focus (s->f, r, n);
3213       ns_maybe_dumpglyphs_background (s, 1);
3214       ns_dumpglyphs_box_or_relief (s);
3215       ns_unfocus (s->f);
3216       box_drawn_p = 1;
3217     }
3218
3219   switch (s->first_glyph->type)
3220     {
3221
3222     case IMAGE_GLYPH:
3223       n = ns_get_glyph_string_clip_rect (s, r);
3224       ns_focus (s->f, r, n);
3225       ns_dumpglyphs_image (s, r[0]);
3226       ns_unfocus (s->f);
3227       break;
3228
3229     case STRETCH_GLYPH:
3230       ns_dumpglyphs_stretch (s);
3231       break;
3232
3233     case CHAR_GLYPH:
3234     case COMPOSITE_GLYPH:
3235       n = ns_get_glyph_string_clip_rect (s, r);
3236       ns_focus (s->f, r, n);
3237
3238       if (s->for_overlaps || (s->cmp_from > 0
3239                               && ! s->first_glyph->u.cmp.automatic))
3240         s->background_filled_p = 1;
3241       else
3242         ns_maybe_dumpglyphs_background
3243           (s, s->first_glyph->type == COMPOSITE_GLYPH);
3244
3245       ns_tmp_flags = s->hl == DRAW_CURSOR ? NS_DUMPGLYPH_CURSOR :
3246                     (s->hl == DRAW_MOUSE_FACE ? NS_DUMPGLYPH_MOUSEFACE :
3247                      (s->for_overlaps ? NS_DUMPGLYPH_FOREGROUND :
3248                       NS_DUMPGLYPH_NORMAL));
3249       ns_tmp_font = (struct nsfont_info *)s->face->font;
3250       if (ns_tmp_font == NULL)
3251           ns_tmp_font = (struct nsfont_info *)FRAME_FONT (s->f);
3252
3253       if (s->hl == DRAW_CURSOR && s->w->phys_cursor_type == FILLED_BOX_CURSOR)
3254         {
3255           unsigned long tmp = NS_FACE_BACKGROUND (s->face);
3256           NS_FACE_BACKGROUND (s->face) = NS_FACE_FOREGROUND (s->face);
3257           NS_FACE_FOREGROUND (s->face) = tmp;
3258         }
3259
3260       ns_tmp_font->font.driver->draw
3261         (s, 0, s->nchars, s->x, s->y,
3262          (ns_tmp_flags == NS_DUMPGLYPH_NORMAL && !s->background_filled_p)
3263          || ns_tmp_flags == NS_DUMPGLYPH_MOUSEFACE);
3264
3265       if (s->hl == DRAW_CURSOR && s->w->phys_cursor_type == FILLED_BOX_CURSOR)
3266         {
3267           unsigned long tmp = NS_FACE_BACKGROUND (s->face);
3268           NS_FACE_BACKGROUND (s->face) = NS_FACE_FOREGROUND (s->face);
3269           NS_FACE_FOREGROUND (s->face) = tmp;
3270         }
3271
3272       ns_unfocus (s->f);
3273       break;
3274
3275     case GLYPHLESS_GLYPH:
3276       n = ns_get_glyph_string_clip_rect (s, r);
3277       ns_focus (s->f, r, n);
3278
3279       if (s->for_overlaps || (s->cmp_from > 0
3280                               && ! s->first_glyph->u.cmp.automatic))
3281         s->background_filled_p = 1;
3282       else
3283         ns_maybe_dumpglyphs_background
3284           (s, s->first_glyph->type == COMPOSITE_GLYPH);
3285       /* ... */
3286       /* Not yet implemented.  */
3287       /* ... */
3288       ns_unfocus (s->f);
3289       break;
3290
3291     default:
3292       emacs_abort ();
3293     }
3294
3295   /* Draw box if not done already. */
3296   if (!s->for_overlaps && !box_drawn_p && s->face->box != FACE_NO_BOX)
3297     {
3298       n = ns_get_glyph_string_clip_rect (s, r);
3299       ns_focus (s->f, r, n);
3300       ns_dumpglyphs_box_or_relief (s);
3301       ns_unfocus (s->f);
3302     }
3303
3304   s->num_clips = 0;
3305 }
3306
3307
3308
3309 /* ==========================================================================
3310
3311     Event loop
3312
3313    ========================================================================== */
3314
3315
3316 static void
3317 ns_send_appdefined (int value)
3318 /* --------------------------------------------------------------------------
3319     Internal: post an appdefined event which EmacsApp-sendEvent will
3320               recognize and take as a command to halt the event loop.
3321    -------------------------------------------------------------------------- */
3322 {
3323   /*NSTRACE (ns_send_appdefined); */
3324
3325   /* Only post this event if we haven't already posted one.  This will end
3326        the [NXApp run] main loop after having processed all events queued at
3327        this moment.  */
3328   if (send_appdefined)
3329     {
3330       NSEvent *nxev;
3331
3332       /* We only need one NX_APPDEFINED event to stop NXApp from running.  */
3333       send_appdefined = NO;
3334
3335       /* Don't need wakeup timer any more */
3336       if (timed_entry)
3337         {
3338           [timed_entry invalidate];
3339           [timed_entry release];
3340           timed_entry = nil;
3341         }
3342
3343       nxev = [NSEvent otherEventWithType: NSApplicationDefined
3344                                 location: NSMakePoint (0, 0)
3345                            modifierFlags: 0
3346                                timestamp: 0
3347                             windowNumber: [[NSApp mainWindow] windowNumber]
3348                                  context: [NSApp context]
3349                                  subtype: 0
3350                                    data1: value
3351                                    data2: 0];
3352
3353       /* Post an application defined event on the event queue.  When this is
3354          received the [NXApp run] will return, thus having processed all
3355          events which are currently queued.  */
3356       [NSApp postEvent: nxev atStart: NO];
3357     }
3358 }
3359
3360 static int
3361 ns_read_socket (struct terminal *terminal, struct input_event *hold_quit)
3362 /* --------------------------------------------------------------------------
3363      External (hook): Post an event to ourself and keep reading events until
3364      we read it back again.  In effect process all events which were waiting.
3365      From 21+ we have to manage the event buffer ourselves.
3366    -------------------------------------------------------------------------- */
3367 {
3368   struct input_event ev;
3369   int nevents;
3370
3371 /* NSTRACE (ns_read_socket); */
3372
3373   if ([NSApp modalWindow] != nil)
3374     return -1;
3375
3376   if (hold_event_q.nr > 0)
3377     {
3378       int i;
3379       for (i = 0; i < hold_event_q.nr; ++i)
3380         kbd_buffer_store_event_hold (&hold_event_q.q[i], hold_quit);
3381       hold_event_q.nr = 0;
3382       return i;
3383     }
3384
3385   block_input ();
3386   n_emacs_events_pending = 0;
3387   EVENT_INIT (ev);
3388   emacs_event = &ev;
3389   q_event_ptr = hold_quit;
3390
3391   /* we manage autorelease pools by allocate/reallocate each time around
3392      the loop; strict nesting is occasionally violated but seems not to
3393      matter.. earlier methods using full nesting caused major memory leaks */
3394   [outerpool release];
3395   outerpool = [[NSAutoreleasePool alloc] init];
3396
3397   /* If have pending open-file requests, attend to the next one of those. */
3398   if (ns_pending_files && [ns_pending_files count] != 0
3399       && [(EmacsApp *)NSApp openFile: [ns_pending_files objectAtIndex: 0]])
3400     {
3401       [ns_pending_files removeObjectAtIndex: 0];
3402     }
3403   /* Deal with pending service requests. */
3404   else if (ns_pending_service_names && [ns_pending_service_names count] != 0
3405     && [(EmacsApp *)
3406          NSApp fulfillService: [ns_pending_service_names objectAtIndex: 0]
3407                       withArg: [ns_pending_service_args objectAtIndex: 0]])
3408     {
3409       [ns_pending_service_names removeObjectAtIndex: 0];
3410       [ns_pending_service_args removeObjectAtIndex: 0];
3411     }
3412   else
3413     {
3414       /* Run and wait for events.  We must always send one NX_APPDEFINED event
3415          to ourself, otherwise [NXApp run] will never exit.  */
3416       send_appdefined = YES;
3417       ns_send_appdefined (-1);
3418
3419       if (++apploopnr != 1)
3420         {
3421           emacs_abort ();
3422         }
3423       [NSApp run];
3424       --apploopnr;
3425     }
3426
3427   nevents = n_emacs_events_pending;
3428   n_emacs_events_pending = 0;
3429   emacs_event = q_event_ptr = NULL;
3430   unblock_input ();
3431
3432   return nevents;
3433 }
3434
3435
3436 int
3437 ns_select (int nfds, fd_set *readfds, fd_set *writefds,
3438            fd_set *exceptfds, EMACS_TIME *timeout, sigset_t *sigmask)
3439 /* --------------------------------------------------------------------------
3440      Replacement for select, checking for events
3441    -------------------------------------------------------------------------- */
3442 {
3443   int result;
3444   int t, k, nr = 0;
3445   struct input_event event;
3446   char c;
3447
3448 /*  NSTRACE (ns_select); */
3449
3450   if (hold_event_q.nr > 0)
3451     {
3452       /* We already have events pending. */
3453       kill (0, SIGIO);
3454       errno = EINTR;
3455       return -1;
3456     }
3457
3458   for (k = 0; k < nfds+1; k++)
3459     {
3460       if (readfds && FD_ISSET(k, readfds)) ++nr;
3461       if (writefds && FD_ISSET(k, writefds)) ++nr;
3462     }
3463
3464   if (NSApp == nil
3465       || (timeout && timeout->tv_sec == 0 && timeout->tv_nsec == 0))
3466     return pselect (nfds, readfds, writefds, exceptfds, timeout, sigmask);
3467
3468   [outerpool release];
3469   outerpool = [[NSAutoreleasePool alloc] init];
3470
3471
3472   send_appdefined = YES;
3473   if (nr > 0)
3474     {
3475       pthread_mutex_lock (&select_mutex);
3476       select_nfds = nfds;
3477       select_valid = 0;
3478       if (readfds)
3479         {
3480           select_readfds = *readfds;
3481           select_valid += SELECT_HAVE_READ;
3482         }
3483       if (writefds)
3484         {
3485           select_writefds = *writefds;
3486           select_valid += SELECT_HAVE_WRITE;
3487         }
3488
3489       if (timeout)
3490         {
3491           select_timeout = *timeout;
3492           select_valid += SELECT_HAVE_TMO;
3493         }
3494
3495       pthread_mutex_unlock (&select_mutex);
3496
3497       /* Inform fd_handler that select should be called */
3498       c = 'g';
3499       write (selfds[1], &c, 1);
3500     }
3501   else if (nr == 0 && timeout)
3502     {
3503       /* No file descriptor, just a timeout, no need to wake fd_handler  */
3504       double time = EMACS_TIME_TO_DOUBLE (*timeout);
3505       timed_entry = [[NSTimer scheduledTimerWithTimeInterval: time
3506                                                       target: NSApp
3507                                                     selector:
3508                                   @selector (timeout_handler:)
3509                                                     userInfo: 0
3510                                                      repeats: NO]
3511                       retain];
3512     }
3513   else /* No timeout and no file descriptors, can this happen?  */
3514     {
3515       /* Send appdefined so we exit from the loop */
3516       ns_send_appdefined (-1);
3517     }
3518
3519   EVENT_INIT (event);
3520   block_input ();
3521   emacs_event = &event;
3522   if (++apploopnr != 1)
3523     {
3524       emacs_abort ();
3525     }
3526   [NSApp run];
3527   --apploopnr;
3528   emacs_event = NULL;
3529   if (nr > 0 && readfds)
3530     {
3531       c = 's';
3532       write (selfds[1], &c, 1);
3533     }
3534   unblock_input ();
3535
3536   t = last_appdefined_event_data;
3537
3538   if (t != NO_APPDEFINED_DATA)
3539     {
3540       last_appdefined_event_data = NO_APPDEFINED_DATA;
3541
3542       if (t == -2)
3543         {
3544           /* The NX_APPDEFINED event we received was a timeout. */
3545           result = 0;
3546         }
3547       else if (t == -1)
3548         {
3549           /* The NX_APPDEFINED event we received was the result of
3550              at least one real input event arriving.  */
3551           errno = EINTR;
3552           result = -1;
3553         }
3554       else
3555         {
3556           /* Received back from select () in fd_handler; copy the results */
3557           pthread_mutex_lock (&select_mutex);
3558           if (readfds) *readfds = select_readfds;
3559           if (writefds) *writefds = select_writefds;
3560           if (timeout) *timeout = select_timeout;
3561           pthread_mutex_unlock (&select_mutex);
3562           result = t;
3563         }
3564     }
3565
3566   return result;
3567 }
3568
3569
3570
3571 /* ==========================================================================
3572
3573     Scrollbar handling
3574
3575    ========================================================================== */
3576
3577
3578 static void
3579 ns_set_vertical_scroll_bar (struct window *window,
3580                            int portion, int whole, int position)
3581 /* --------------------------------------------------------------------------
3582       External (hook): Update or add scrollbar
3583    -------------------------------------------------------------------------- */
3584 {
3585   Lisp_Object win;
3586   NSRect r, v;
3587   struct frame *f = XFRAME (WINDOW_FRAME (window));
3588   EmacsView *view = FRAME_NS_VIEW (f);
3589   int window_y, window_height;
3590   int top, left, height, width, sb_width, sb_left;
3591   EmacsScroller *bar;
3592   BOOL fringe_extended_p;
3593
3594   /* optimization; display engine sends WAY too many of these.. */
3595   if (!NILP (window->vertical_scroll_bar))
3596     {
3597       bar = XNS_SCROLL_BAR (window->vertical_scroll_bar);
3598       if ([bar checkSamePosition: position portion: portion whole: whole])
3599         {
3600           if (view->scrollbarsNeedingUpdate == 0)
3601             {
3602               if (!windows_or_buffers_changed)
3603                   return;
3604             }
3605           else
3606             view->scrollbarsNeedingUpdate--;
3607         }
3608     }
3609
3610   NSTRACE (ns_set_vertical_scroll_bar);
3611
3612   /* Get dimensions.  */
3613   window_box (window, -1, 0, &window_y, 0, &window_height);
3614   top = window_y;
3615   height = window_height;
3616   width = WINDOW_CONFIG_SCROLL_BAR_COLS (window) * FRAME_COLUMN_WIDTH (f);
3617   left = WINDOW_SCROLL_BAR_AREA_X (window);
3618
3619   /* allow for displaying a skinnier scrollbar than char area allotted */
3620   sb_width = (WINDOW_CONFIG_SCROLL_BAR_WIDTH (window) > 0) ?
3621     WINDOW_CONFIG_SCROLL_BAR_WIDTH (window) : width;
3622   sb_left = left;
3623
3624   r = NSMakeRect (sb_left, top, sb_width, height);
3625   /* the parent view is flipped, so we need to flip y value */
3626   v = [view frame];
3627   r.origin.y = (v.size.height - r.size.height - r.origin.y);
3628
3629   if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (window))
3630     fringe_extended_p = (WINDOW_LEFTMOST_P (window)
3631                          && WINDOW_LEFT_FRINGE_WIDTH (window)
3632                          && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (window)
3633                              || WINDOW_LEFT_MARGIN_COLS (window) == 0));
3634   else
3635     fringe_extended_p = (WINDOW_RIGHTMOST_P (window)
3636                          && WINDOW_RIGHT_FRINGE_WIDTH (window)
3637                          && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (window)
3638                              || WINDOW_RIGHT_MARGIN_COLS (window) == 0));
3639
3640   XSETWINDOW (win, window);
3641   block_input ();
3642
3643   /* we want at least 5 lines to display a scrollbar */
3644   if (WINDOW_TOTAL_LINES (window) < 5)
3645     {
3646       if (!NILP (window->vertical_scroll_bar))
3647         {
3648           bar = XNS_SCROLL_BAR (window->vertical_scroll_bar);
3649           [bar removeFromSuperview];
3650           wset_vertical_scroll_bar (window, Qnil);
3651         }
3652       ns_clear_frame_area (f, sb_left, top, width, height);
3653       unblock_input ();
3654       return;
3655     }
3656
3657   if (NILP (window->vertical_scroll_bar))
3658     {
3659       if (width > 0 && height > 0)
3660         {
3661           if (fringe_extended_p)
3662             ns_clear_frame_area (f, sb_left, top, sb_width, height);
3663           else
3664             ns_clear_frame_area (f, left, top, width, height);
3665         }
3666
3667       bar = [[EmacsScroller alloc] initFrame: r window: win];
3668       wset_vertical_scroll_bar (window, make_save_value (bar, 0));
3669     }
3670   else
3671     {
3672       NSRect oldRect;
3673       bar = XNS_SCROLL_BAR (window->vertical_scroll_bar);
3674       oldRect = [bar frame];
3675       r.size.width = oldRect.size.width;
3676       if (FRAME_LIVE_P (f) && !NSEqualRects (oldRect, r))
3677         {
3678           if (oldRect.origin.x != r.origin.x)
3679               ns_clear_frame_area (f, sb_left, top, width, height);
3680           [bar setFrame: r];
3681         }
3682     }
3683
3684   [bar setPosition: position portion: portion whole: whole];
3685   unblock_input ();
3686 }
3687
3688
3689 static void
3690 ns_condemn_scroll_bars (struct frame *f)
3691 /* --------------------------------------------------------------------------
3692      External (hook): arrange for all frame's scrollbars to be removed
3693      at next call to judge_scroll_bars, except for those redeemed.
3694    -------------------------------------------------------------------------- */
3695 {
3696   int i;
3697   id view;
3698   NSArray *subviews = [[FRAME_NS_VIEW (f) superview] subviews];
3699
3700   NSTRACE (ns_condemn_scroll_bars);
3701
3702   for (i =[subviews count]-1; i >= 0; i--)
3703     {
3704       view = [subviews objectAtIndex: i];
3705       if ([view isKindOfClass: [EmacsScroller class]])
3706         [view condemn];
3707     }
3708 }
3709
3710
3711 static void
3712 ns_redeem_scroll_bar (struct window *window)
3713 /* --------------------------------------------------------------------------
3714      External (hook): arrange to spare this window's scrollbar
3715      at next call to judge_scroll_bars.
3716    -------------------------------------------------------------------------- */
3717 {
3718   id bar;
3719   NSTRACE (ns_redeem_scroll_bar);
3720   if (!NILP (window->vertical_scroll_bar))
3721     {
3722       bar = XNS_SCROLL_BAR (window->vertical_scroll_bar);
3723       [bar reprieve];
3724     }
3725 }
3726
3727
3728 static void
3729 ns_judge_scroll_bars (struct frame *f)
3730 /* --------------------------------------------------------------------------
3731      External (hook): destroy all scrollbars on frame that weren't
3732      redeemed after call to condemn_scroll_bars.
3733    -------------------------------------------------------------------------- */
3734 {
3735   int i;
3736   id view;
3737   EmacsView *eview = FRAME_NS_VIEW (f);
3738   NSArray *subviews = [[eview superview] subviews];
3739   BOOL removed = NO;
3740
3741   NSTRACE (ns_judge_scroll_bars);
3742   for (i = [subviews count]-1; i >= 0; --i)
3743     {
3744       view = [subviews objectAtIndex: i];
3745       if (![view isKindOfClass: [EmacsScroller class]]) continue;
3746       [view judge];
3747       removed = YES;
3748     }
3749
3750   if (removed)
3751     [eview updateFrameSize: NO];
3752 }
3753
3754
3755 void
3756 x_wm_set_icon_position (struct frame *f, int icon_x, int icon_y)
3757 {
3758   /* XXX irrelevant under NS */
3759 }
3760
3761
3762
3763 /* ==========================================================================
3764
3765     Initialization
3766
3767    ========================================================================== */
3768
3769 int
3770 x_display_pixel_height (struct ns_display_info *dpyinfo)
3771 {
3772   NSScreen *screen = [NSScreen mainScreen];
3773   return [screen frame].size.height;
3774 }
3775
3776 int
3777 x_display_pixel_width (struct ns_display_info *dpyinfo)
3778 {
3779   NSScreen *screen = [NSScreen mainScreen];
3780   return [screen frame].size.width;
3781 }
3782
3783
3784 static Lisp_Object ns_string_to_lispmod (const char *s)
3785 /* --------------------------------------------------------------------------
3786      Convert modifier name to lisp symbol
3787    -------------------------------------------------------------------------- */
3788 {
3789   if (!strncmp (SSDATA (SYMBOL_NAME (Qmeta)), s, 10))
3790     return Qmeta;
3791   else if (!strncmp (SSDATA (SYMBOL_NAME (Qsuper)), s, 10))
3792     return Qsuper;
3793   else if (!strncmp (SSDATA (SYMBOL_NAME (Qcontrol)), s, 10))
3794     return Qcontrol;
3795   else if (!strncmp (SSDATA (SYMBOL_NAME (Qalt)), s, 10))
3796     return Qalt;
3797   else if (!strncmp (SSDATA (SYMBOL_NAME (Qhyper)), s, 10))
3798     return Qhyper;
3799   else if (!strncmp (SSDATA (SYMBOL_NAME (Qnone)), s, 10))
3800     return Qnone;
3801   else
3802     return Qnil;
3803 }
3804
3805
3806 static void
3807 ns_default (const char *parameter, Lisp_Object *result,
3808            Lisp_Object yesval, Lisp_Object noval,
3809            BOOL is_float, BOOL is_modstring)
3810 /* --------------------------------------------------------------------------
3811       Check a parameter value in user's preferences
3812    -------------------------------------------------------------------------- */
3813 {
3814   const char *value = ns_get_defaults_value (parameter);
3815
3816   if (value)
3817     {
3818       double f;
3819       char *pos;
3820       if (c_strcasecmp (value, "YES") == 0)
3821         *result = yesval;
3822       else if (c_strcasecmp (value, "NO") == 0)
3823         *result = noval;
3824       else if (is_float && (f = strtod (value, &pos), pos != value))
3825         *result = make_float (f);
3826       else if (is_modstring && value)
3827         *result = ns_string_to_lispmod (value);
3828       else fprintf (stderr,
3829                    "Bad value for default \"%s\": \"%s\"\n", parameter, value);
3830     }
3831 }
3832
3833
3834 static void
3835 ns_initialize_display_info (struct ns_display_info *dpyinfo)
3836 /* --------------------------------------------------------------------------
3837       Initialize global info and storage for display.
3838    -------------------------------------------------------------------------- */
3839 {
3840     NSScreen *screen = [NSScreen mainScreen];
3841     NSWindowDepth depth = [screen depth];
3842     Mouse_HLInfo *hlinfo = &dpyinfo->mouse_highlight;
3843
3844     dpyinfo->resx = 72.27; /* used 75.0, but this makes pt == pixel, expected */
3845     dpyinfo->resy = 72.27;
3846     dpyinfo->color_p = ![NSDeviceWhiteColorSpace isEqualToString:
3847                                                   NSColorSpaceFromDepth (depth)]
3848                 && ![NSCalibratedWhiteColorSpace isEqualToString:
3849                                                  NSColorSpaceFromDepth (depth)];
3850     dpyinfo->n_planes = NSBitsPerPixelFromDepth (depth);
3851     dpyinfo->image_cache = make_image_cache ();
3852     dpyinfo->color_table = xmalloc (sizeof *dpyinfo->color_table);
3853     dpyinfo->color_table->colors = NULL;
3854     dpyinfo->root_window = 42; /* a placeholder.. */
3855
3856     hlinfo->mouse_face_mouse_frame = NULL;
3857     hlinfo->mouse_face_deferred_gc = 0;
3858     hlinfo->mouse_face_beg_row = hlinfo->mouse_face_beg_col = -1;
3859     hlinfo->mouse_face_end_row = hlinfo->mouse_face_end_col = -1;
3860     hlinfo->mouse_face_face_id = DEFAULT_FACE_ID;
3861     hlinfo->mouse_face_window = hlinfo->mouse_face_overlay = Qnil;
3862     hlinfo->mouse_face_hidden = 0;
3863
3864     hlinfo->mouse_face_mouse_x = hlinfo->mouse_face_mouse_y = 0;
3865     hlinfo->mouse_face_defer = 0;
3866
3867     dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame = NULL;
3868
3869     dpyinfo->n_fonts = 0;
3870     dpyinfo->smallest_font_height = 1;
3871     dpyinfo->smallest_char_width = 1;
3872 }
3873
3874
3875 /* This and next define (many of the) public functions in this file. */
3876 /* x_... are generic versions in xdisp.c that we, and other terms, get away
3877          with using despite presence in the "system dependent" redisplay
3878          interface.  In addition, many of the ns_ methods have code that is
3879          shared with all terms, indicating need for further refactoring. */
3880 extern frame_parm_handler ns_frame_parm_handlers[];
3881 static struct redisplay_interface ns_redisplay_interface =
3882 {
3883   ns_frame_parm_handlers,
3884   x_produce_glyphs,
3885   x_write_glyphs,
3886   x_insert_glyphs,
3887   x_clear_end_of_line,
3888   ns_scroll_run,
3889   ns_after_update_window_line,
3890   ns_update_window_begin,
3891   ns_update_window_end,
3892   x_cursor_to,
3893   ns_flush,
3894   0, /* flush_display_optional */
3895   x_clear_window_mouse_face,
3896   x_get_glyph_overhangs,
3897   x_fix_overlapping_area,
3898   ns_draw_fringe_bitmap,
3899   0, /* define_fringe_bitmap */ /* FIXME: simplify ns_draw_fringe_bitmap */
3900   0, /* destroy_fringe_bitmap */
3901   ns_compute_glyph_string_overhangs,
3902   ns_draw_glyph_string, /* interface to nsfont.m */
3903   ns_define_frame_cursor,
3904   ns_clear_frame_area,
3905   ns_draw_window_cursor,
3906   ns_draw_vertical_window_border,
3907   ns_shift_glyphs_for_insert
3908 };
3909
3910
3911 static void
3912 ns_delete_display (struct ns_display_info *dpyinfo)
3913 {
3914   /* TODO... */
3915 }
3916
3917
3918 /* This function is called when the last frame on a display is deleted. */
3919 static void
3920 ns_delete_terminal (struct terminal *terminal)
3921 {
3922   struct ns_display_info *dpyinfo = terminal->display_info.ns;
3923
3924   /* Protect against recursive calls.  delete_frame in
3925      delete_terminal calls us back when it deletes our last frame.  */
3926   if (!terminal->name)
3927     return;
3928
3929   block_input ();
3930
3931   x_destroy_all_bitmaps (dpyinfo);
3932   ns_delete_display (dpyinfo);
3933   unblock_input ();
3934 }
3935
3936
3937 static struct terminal *
3938 ns_create_terminal (struct ns_display_info *dpyinfo)
3939 /* --------------------------------------------------------------------------
3940       Set up use of NS before we make the first connection.
3941    -------------------------------------------------------------------------- */
3942 {
3943   struct terminal *terminal;
3944
3945   NSTRACE (ns_create_terminal);
3946
3947   terminal = create_terminal ();
3948
3949   terminal->type = output_ns;
3950   terminal->display_info.ns = dpyinfo;
3951   dpyinfo->terminal = terminal;
3952
3953   terminal->rif = &ns_redisplay_interface;
3954
3955   terminal->clear_frame_hook = ns_clear_frame;
3956   terminal->ins_del_lines_hook = 0; /* XXX vestigial? */
3957   terminal->delete_glyphs_hook = 0; /* XXX vestigial? */
3958   terminal->ring_bell_hook = ns_ring_bell;
3959   terminal->reset_terminal_modes_hook = ns_reset_terminal_modes;
3960   terminal->set_terminal_modes_hook = ns_set_terminal_modes;
3961   terminal->update_begin_hook = ns_update_begin;
3962   terminal->update_end_hook = ns_update_end;
3963   terminal->set_terminal_window_hook = NULL; /* XXX vestigial? */
3964   terminal->read_socket_hook = ns_read_socket;
3965   terminal->frame_up_to_date_hook = ns_frame_up_to_date;
3966   terminal->mouse_position_hook = ns_mouse_position;
3967   terminal->frame_rehighlight_hook = ns_frame_rehighlight;
3968   terminal->frame_raise_lower_hook = ns_frame_raise_lower;
3969
3970   terminal->fullscreen_hook = ns_fullscreen_hook;
3971
3972   terminal->set_vertical_scroll_bar_hook = ns_set_vertical_scroll_bar;
3973   terminal->condemn_scroll_bars_hook = ns_condemn_scroll_bars;
3974   terminal->redeem_scroll_bar_hook = ns_redeem_scroll_bar;
3975   terminal->judge_scroll_bars_hook = ns_judge_scroll_bars;
3976
3977   terminal->delete_frame_hook = x_destroy_window;
3978   terminal->delete_terminal_hook = ns_delete_terminal;
3979
3980   terminal->scroll_region_ok = 1;
3981   terminal->char_ins_del_ok = 1;
3982   terminal->line_ins_del_ok = 1;
3983   terminal->fast_clear_end_of_line = 1;
3984   terminal->memory_below_frame = 0;
3985
3986   return terminal;
3987 }
3988
3989
3990 struct ns_display_info *
3991 ns_term_init (Lisp_Object display_name)
3992 /* --------------------------------------------------------------------------
3993      Start the Application and get things rolling.
3994    -------------------------------------------------------------------------- */
3995 {
3996   struct terminal *terminal;
3997   struct ns_display_info *dpyinfo;
3998   static int ns_initialized = 0;
3999   Lisp_Object tmp;
4000
4001   if (ns_initialized) return x_display_list;
4002   ns_initialized = 1;
4003
4004   NSTRACE (ns_term_init);
4005
4006   [outerpool release];
4007   outerpool = [[NSAutoreleasePool alloc] init];
4008
4009   /* count object allocs (About, click icon); on OS X use ObjectAlloc tool */
4010   /*GSDebugAllocationActive (YES); */
4011   block_input ();
4012
4013   baud_rate = 38400;
4014   Fset_input_interrupt_mode (Qnil);
4015
4016   if (selfds[0] == -1)
4017     {
4018       if (pipe (selfds) == -1)
4019         {
4020           fprintf (stderr, "Failed to create pipe: %s\n",
4021                    emacs_strerror (errno));
4022           emacs_abort ();
4023         }
4024
4025       fcntl (selfds[0], F_SETFL, O_NONBLOCK|fcntl (selfds[0], F_GETFL));
4026       FD_ZERO (&select_readfds);
4027       FD_ZERO (&select_writefds);
4028       pthread_mutex_init (&select_mutex, NULL);
4029     }
4030
4031   ns_pending_files = [[NSMutableArray alloc] init];
4032   ns_pending_service_names = [[NSMutableArray alloc] init];
4033   ns_pending_service_args = [[NSMutableArray alloc] init];
4034
4035 /* Start app and create the main menu, window, view.
4036      Needs to be here because ns_initialize_display_info () uses AppKit classes.
4037      The view will then ask the NSApp to stop and return to Emacs. */
4038   [EmacsApp sharedApplication];
4039   if (NSApp == nil)
4040     return NULL;
4041   [NSApp setDelegate: NSApp];
4042
4043   /* Start the select thread.  */
4044   [NSThread detachNewThreadSelector:@selector (fd_handler:)
4045                            toTarget:NSApp
4046                          withObject:nil];
4047
4048   /* debugging: log all notifications */
4049   /*   [[NSNotificationCenter defaultCenter] addObserver: NSApp
4050                                          selector: @selector (logNotification:)
4051                                              name: nil object: nil]; */
4052
4053   dpyinfo = xzalloc (sizeof *dpyinfo);
4054
4055   ns_initialize_display_info (dpyinfo);
4056   terminal = ns_create_terminal (dpyinfo);
4057
4058   terminal->kboard = xmalloc (sizeof *terminal->kboard);
4059   init_kboard (terminal->kboard);
4060   kset_window_system (terminal->kboard, Qns);
4061   terminal->kboard->next_kboard = all_kboards;
4062   all_kboards = terminal->kboard;
4063   /* Don't let the initial kboard remain current longer than necessary.
4064      That would cause problems if a file loaded on startup tries to
4065      prompt in the mini-buffer.  */
4066   if (current_kboard == initial_kboard)
4067     current_kboard = terminal->kboard;
4068   terminal->kboard->reference_count++;
4069
4070   dpyinfo->next = x_display_list;
4071   x_display_list = dpyinfo;
4072
4073   /* Put it on ns_display_name_list */
4074   ns_display_name_list = Fcons (Fcons (display_name, Qnil),
4075                                 ns_display_name_list);
4076   dpyinfo->name_list_element = XCAR (ns_display_name_list);
4077
4078   terminal->name = xstrdup (SSDATA (display_name));
4079
4080   unblock_input ();
4081
4082   if (!inhibit_x_resources)
4083     {
4084       ns_default ("GSFontAntiAlias", &ns_antialias_text,
4085                  Qt, Qnil, NO, NO);
4086       tmp = Qnil;
4087       /* this is a standard variable */
4088       ns_default ("AppleAntiAliasingThreshold", &tmp,
4089                  make_float (10.0), make_float (6.0), YES, NO);
4090       ns_antialias_threshold = NILP (tmp) ? 10.0 : XFLOATINT (tmp);
4091     }
4092
4093   ns_selection_color = [[NSUserDefaults standardUserDefaults]
4094                          stringForKey: @"AppleHighlightColor"];
4095   if (ns_selection_color == nil)
4096     ns_selection_color = NS_SELECTION_COLOR_DEFAULT;
4097
4098   {
4099     NSColorList *cl = [NSColorList colorListNamed: @"Emacs"];
4100
4101     if ( cl == nil )
4102       {
4103         Lisp_Object color_file, color_map, color;
4104         unsigned long c;
4105         char *name;
4106
4107         color_file = Fexpand_file_name (build_string ("rgb.txt"),
4108                          Fsymbol_value (intern ("data-directory")));
4109         if (NILP (Ffile_readable_p (color_file)))
4110           fatal ("Could not find %s.\n", SDATA (color_file));
4111
4112         color_map = Fx_load_color_file (color_file);
4113         if (NILP (color_map))
4114           fatal ("Could not read %s.\n", SDATA (color_file));
4115
4116         cl = [[NSColorList alloc] initWithName: @"Emacs"];
4117         for ( ; CONSP (color_map); color_map = XCDR (color_map))
4118           {
4119             color = XCAR (color_map);
4120             name = SSDATA (XCAR (color));
4121             c = XINT (XCDR (color));
4122             [cl setColor:
4123                   [NSColor colorWithCalibratedRed: RED_FROM_ULONG (c) / 255.0
4124                                             green: GREEN_FROM_ULONG (c) / 255.0
4125                                              blue: BLUE_FROM_ULONG (c) / 255.0
4126                                             alpha: 1.0]
4127                   forKey: [NSString stringWithUTF8String: name]];
4128           }
4129         [cl writeToFile: nil];
4130       }
4131   }
4132
4133   {
4134 #ifdef NS_IMPL_GNUSTEP
4135     Vwindow_system_version = build_string (gnustep_base_version);
4136 #else
4137     /*PSnextrelease (128, c); */
4138     char c[DBL_BUFSIZE_BOUND];
4139     int len = dtoastr (c, sizeof c, 0, 0, NSAppKitVersionNumber);
4140     Vwindow_system_version = make_unibyte_string (c, len);
4141 #endif
4142   }
4143
4144   delete_keyboard_wait_descriptor (0);
4145
4146   ns_app_name = [[NSProcessInfo processInfo] processName];
4147
4148 /* Set up OS X app menu */
4149 #ifdef NS_IMPL_COCOA
4150   {
4151     NSMenu *appMenu;
4152     NSMenuItem *item;
4153     /* set up the application menu */
4154     svcsMenu = [[EmacsMenu alloc] initWithTitle: @"Services"];
4155     [svcsMenu setAutoenablesItems: NO];
4156     appMenu = [[EmacsMenu alloc] initWithTitle: @"Emacs"];
4157     [appMenu setAutoenablesItems: NO];
4158     mainMenu = [[EmacsMenu alloc] initWithTitle: @""];
4159     dockMenu = [[EmacsMenu alloc] initWithTitle: @""];
4160
4161     [appMenu insertItemWithTitle: @"About Emacs"
4162                           action: @selector (orderFrontStandardAboutPanel:)
4163                    keyEquivalent: @""
4164                          atIndex: 0];
4165     [appMenu insertItem: [NSMenuItem separatorItem] atIndex: 1];
4166     [appMenu insertItemWithTitle: @"Preferences..."
4167                           action: @selector (showPreferencesWindow:)
4168                    keyEquivalent: @","
4169                          atIndex: 2];
4170     [appMenu insertItem: [NSMenuItem separatorItem] atIndex: 3];
4171     item = [appMenu insertItemWithTitle: @"Services"
4172                                  action: @selector (menuDown:)
4173                           keyEquivalent: @""
4174                                 atIndex: 4];
4175     [appMenu setSubmenu: svcsMenu forItem: item];
4176     [appMenu insertItem: [NSMenuItem separatorItem] atIndex: 5];
4177     [appMenu insertItemWithTitle: @"Hide Emacs"
4178                           action: @selector (hide:)
4179                    keyEquivalent: @"h"
4180                          atIndex: 6];
4181     item =  [appMenu insertItemWithTitle: @"Hide Others"
4182                           action: @selector (hideOtherApplications:)
4183                    keyEquivalent: @"h"
4184                          atIndex: 7];
4185     [item setKeyEquivalentModifierMask: NSCommandKeyMask | NSAlternateKeyMask];
4186     [appMenu insertItem: [NSMenuItem separatorItem] atIndex: 8];
4187     [appMenu insertItemWithTitle: @"Quit Emacs"
4188                           action: @selector (terminate:)
4189                    keyEquivalent: @"q"
4190                          atIndex: 9];
4191
4192     item = [mainMenu insertItemWithTitle: ns_app_name
4193                                   action: @selector (menuDown:)
4194                            keyEquivalent: @""
4195                                  atIndex: 0];
4196     [mainMenu setSubmenu: appMenu forItem: item];
4197     [dockMenu insertItemWithTitle: @"New Frame"
4198                            action: @selector (newFrame:)
4199                     keyEquivalent: @""
4200                           atIndex: 0];
4201
4202     [NSApp setMainMenu: mainMenu];
4203     [NSApp setAppleMenu: appMenu];
4204     [NSApp setServicesMenu: svcsMenu];
4205     /* Needed at least on Cocoa, to get dock menu to show windows */
4206     [NSApp setWindowsMenu: [[NSMenu alloc] init]];
4207
4208     [[NSNotificationCenter defaultCenter]
4209       addObserver: mainMenu
4210          selector: @selector (trackingNotification:)
4211              name: NSMenuDidBeginTrackingNotification object: mainMenu];
4212     [[NSNotificationCenter defaultCenter]
4213       addObserver: mainMenu
4214          selector: @selector (trackingNotification:)
4215              name: NSMenuDidEndTrackingNotification object: mainMenu];
4216   }
4217 #endif /* MAC OS X menu setup */
4218
4219   /* Register our external input/output types, used for determining
4220      applicable services and also drag/drop eligibility. */
4221   ns_send_types = [[NSArray arrayWithObjects: NSStringPboardType, nil] retain];
4222   ns_return_types = [[NSArray arrayWithObjects: NSStringPboardType, nil]
4223                       retain];
4224   ns_drag_types = [[NSArray arrayWithObjects:
4225                             NSStringPboardType,
4226                             NSTabularTextPboardType,
4227                             NSFilenamesPboardType,
4228                             NSURLPboardType,
4229                             NSColorPboardType,
4230                             NSFontPboardType, nil] retain];
4231
4232 #ifndef NEW_STYLE_FS
4233   /* If fullscreen is in init/default-frame-alist, focus isn't set
4234      right for fullscreen windows, so set this.  */
4235   [NSApp activateIgnoringOtherApps:YES];
4236 #endif
4237
4238   [NSApp run];
4239   ns_do_open_file = YES;
4240   return dpyinfo;
4241 }
4242
4243
4244 void
4245 ns_term_shutdown (int sig)
4246 {
4247   [[NSUserDefaults standardUserDefaults] synchronize];
4248
4249   /* code not reached in emacs.c after this is called by shut_down_emacs: */
4250   if (STRINGP (Vauto_save_list_file_name))
4251     unlink (SSDATA (Vauto_save_list_file_name));
4252
4253   if (sig == 0 || sig == SIGTERM)
4254     {
4255       [NSApp terminate: NSApp];
4256     }
4257   else // force a stack trace to happen
4258     {
4259       emacs_abort ();
4260     }
4261 }
4262
4263
4264 /* ==========================================================================
4265
4266     EmacsApp implementation
4267
4268    ========================================================================== */
4269
4270
4271 @implementation EmacsApp
4272
4273 - (void)logNotification: (NSNotification *)notification
4274 {
4275   const char *name = [[notification name] UTF8String];
4276   if (!strstr (name, "Update") && !strstr (name, "NSMenu")
4277       && !strstr (name, "WindowNumber"))
4278     NSLog (@"notification: '%@'", [notification name]);
4279 }
4280
4281
4282 - (void)sendEvent: (NSEvent *)theEvent
4283 /* --------------------------------------------------------------------------
4284      Called when NSApp is running for each event received.  Used to stop
4285      the loop when we choose, since there's no way to just run one iteration.
4286    -------------------------------------------------------------------------- */
4287 {
4288   int type = [theEvent type];
4289   NSWindow *window = [theEvent window];
4290 /*  NSTRACE (sendEvent); */
4291 /*fprintf (stderr, "received event of type %d\t%d\n", type);*/
4292
4293 #ifdef NS_IMPL_COCOA
4294   if (type == NSApplicationDefined
4295       && [theEvent data2] == NSAPP_DATA2_RUNASSCRIPT)
4296     {
4297       ns_run_ascript ();
4298       [self stop: self];
4299       return;
4300     }
4301 #endif
4302
4303   if (type == NSCursorUpdate && window == nil)
4304     {
4305       fprintf (stderr, "Dropping external cursor update event.\n");
4306       return;
4307     }
4308
4309   if (type == NSApplicationDefined)
4310     {
4311       /* Events posted by ns_send_appdefined interrupt the run loop here.
4312          But, if a modal window is up, an appdefined can still come through,
4313          (e.g., from a makeKeyWindow event) but stopping self also stops the
4314          modal loop. Just defer it until later. */
4315       if ([NSApp modalWindow] == nil)
4316         {
4317           last_appdefined_event_data = [theEvent data1];
4318           [self stop: self];
4319         }
4320       else
4321         {
4322           send_appdefined = YES;
4323         }
4324     }
4325
4326   [super sendEvent: theEvent];
4327 }
4328
4329
4330 - (void)showPreferencesWindow: (id)sender
4331 {
4332   struct frame *emacsframe = SELECTED_FRAME ();
4333   NSEvent *theEvent = [NSApp currentEvent];
4334
4335   if (!emacs_event)
4336     return;
4337   emacs_event->kind = NS_NONKEY_EVENT;
4338   emacs_event->code = KEY_NS_SHOW_PREFS;
4339   emacs_event->modifiers = 0;
4340   EV_TRAILER (theEvent);
4341 }
4342
4343
4344 - (void)newFrame: (id)sender
4345 {
4346   struct frame *emacsframe = SELECTED_FRAME ();
4347   NSEvent *theEvent = [NSApp currentEvent];
4348
4349   if (!emacs_event)
4350     return;
4351   emacs_event->kind = NS_NONKEY_EVENT;
4352   emacs_event->code = KEY_NS_NEW_FRAME;
4353   emacs_event->modifiers = 0;
4354   EV_TRAILER (theEvent);
4355 }
4356
4357
4358 /* Open a file (used by below, after going into queue read by ns_read_socket) */
4359 - (BOOL) openFile: (NSString *)fileName
4360 {
4361   struct frame *emacsframe = SELECTED_FRAME ();
4362   NSEvent *theEvent = [NSApp currentEvent];
4363
4364   if (!emacs_event)
4365     return NO;
4366
4367   emacs_event->kind = NS_NONKEY_EVENT;
4368   emacs_event->code = KEY_NS_OPEN_FILE_LINE;
4369   ns_input_file = append2 (ns_input_file, build_string ([fileName UTF8String]));
4370   ns_input_line = Qnil; /* can be start or cons start,end */
4371   emacs_event->modifiers =0;
4372   EV_TRAILER (theEvent);
4373
4374   return YES;
4375 }
4376
4377
4378 /* **************************************************************************
4379
4380       EmacsApp delegate implementation
4381
4382    ************************************************************************** */
4383
4384 - (void)applicationDidFinishLaunching: (NSNotification *)notification
4385 /* --------------------------------------------------------------------------
4386      When application is loaded, terminate event loop in ns_term_init
4387    -------------------------------------------------------------------------- */
4388 {
4389   NSTRACE (applicationDidFinishLaunching);
4390   [NSApp setServicesProvider: NSApp];
4391   ns_send_appdefined (-2);
4392 }
4393
4394
4395 /* Termination sequences:
4396     C-x C-c:
4397     Cmd-Q:
4398     MenuBar | File | Exit:
4399     Select Quit from App menubar:
4400         -terminate
4401         KEY_NS_POWER_OFF, (save-buffers-kill-emacs)
4402         ns_term_shutdown()
4403
4404     Select Quit from Dock menu:
4405     Logout attempt:
4406         -appShouldTerminate
4407           Cancel -> Nothing else
4408           Accept ->
4409
4410           -terminate
4411           KEY_NS_POWER_OFF, (save-buffers-kill-emacs)
4412           ns_term_shutdown()
4413
4414 */
4415
4416 - (void) terminate: (id)sender
4417 {
4418   struct frame *emacsframe = SELECTED_FRAME ();
4419
4420   if (!emacs_event)
4421     return;
4422
4423   emacs_event->kind = NS_NONKEY_EVENT;
4424   emacs_event->code = KEY_NS_POWER_OFF;
4425   emacs_event->arg = Qt; /* mark as non-key event */
4426   EV_TRAILER ((id)nil);
4427 }
4428
4429
4430 - (NSApplicationTerminateReply)applicationShouldTerminate: (id)sender
4431 {
4432   int ret;
4433
4434   if (NILP (ns_confirm_quit)) //   || ns_shutdown_properly  --> TO DO
4435     return NSTerminateNow;
4436
4437     ret = NSRunAlertPanel(ns_app_name,
4438                           @"Exit requested.  Would you like to Save Buffers and Exit, or Cancel the request?",
4439                           @"Save Buffers and Exit", @"Cancel", nil);
4440
4441     if (ret == NSAlertDefaultReturn)
4442         return NSTerminateNow;
4443     else if (ret == NSAlertAlternateReturn)
4444         return NSTerminateCancel;
4445     return NSTerminateNow;  /* just in case */
4446 }
4447
4448 static int
4449 not_in_argv (NSString *arg)
4450 {
4451   int k;
4452   const char *a = [arg UTF8String];
4453   for (k = 1; k < initial_argc; ++k)
4454     if (strcmp (a, initial_argv[k]) == 0) return 0;
4455   return 1;
4456 }
4457
4458 /*   Notification from the Workspace to open a file */
4459 - (BOOL)application: sender openFile: (NSString *)file
4460 {
4461   if (ns_do_open_file || not_in_argv (file))
4462     [ns_pending_files addObject: file];
4463   return YES;
4464 }
4465
4466
4467 /*   Open a file as a temporary file */
4468 - (BOOL)application: sender openTempFile: (NSString *)file
4469 {
4470   if (ns_do_open_file || not_in_argv (file))
4471     [ns_pending_files addObject: file];
4472   return YES;
4473 }
4474
4475
4476 /*   Notification from the Workspace to open a file noninteractively (?) */
4477 - (BOOL)application: sender openFileWithoutUI: (NSString *)file
4478 {
4479   if (ns_do_open_file || not_in_argv (file))
4480     [ns_pending_files addObject: file];
4481   return YES;
4482 }
4483
4484 /*   Notification from the Workspace to open multiple files */
4485 - (void)application: sender openFiles: (NSArray *)fileList
4486 {
4487   NSEnumerator *files = [fileList objectEnumerator];
4488   NSString *file;
4489   /* Don't open files from the command line unconditionally,
4490      Cocoa parses the command line wrong, --option value tries to open value
4491      if --option is the last option.  */
4492   while ((file = [files nextObject]) != nil)
4493     if (ns_do_open_file || not_in_argv (file))
4494       [ns_pending_files addObject: file];
4495
4496   [self replyToOpenOrPrint: NSApplicationDelegateReplySuccess];
4497
4498 }
4499
4500
4501 /* Handle dock menu requests.  */
4502 - (NSMenu *)applicationDockMenu: (NSApplication *) sender
4503 {
4504   return dockMenu;
4505 }
4506
4507
4508 /* TODO: these may help w/IO switching btwn terminal and NSApp */
4509 - (void)applicationWillBecomeActive: (NSNotification *)notification
4510 {
4511   //ns_app_active=YES;
4512 }
4513 - (void)applicationDidBecomeActive: (NSNotification *)notification
4514 {
4515   NSTRACE (applicationDidBecomeActive);
4516
4517   //ns_app_active=YES;
4518
4519   ns_update_auto_hide_menu_bar ();
4520   // No constraining takes place when the application is not active.
4521   ns_constrain_all_frames ();
4522 }
4523 - (void)applicationDidResignActive: (NSNotification *)notification
4524 {
4525   //ns_app_active=NO;
4526   ns_send_appdefined (-1);
4527 }
4528
4529
4530
4531 /* ==========================================================================
4532
4533     EmacsApp aux handlers for managing event loop
4534
4535    ========================================================================== */
4536
4537
4538 - (void)timeout_handler: (NSTimer *)timedEntry
4539 /* --------------------------------------------------------------------------
4540      The timeout specified to ns_select has passed.
4541    -------------------------------------------------------------------------- */
4542 {
4543   /*NSTRACE (timeout_handler); */
4544   ns_send_appdefined (-2);
4545 }
4546
4547 - (void)fd_handler:(id)unused
4548 /* --------------------------------------------------------------------------
4549      Check data waiting on file descriptors and terminate if so
4550    -------------------------------------------------------------------------- */
4551 {
4552   int result;
4553   int waiting = 1, nfds;
4554   char c;
4555
4556   SELECT_TYPE readfds, writefds, *wfds;
4557   EMACS_TIME timeout, *tmo;
4558   NSAutoreleasePool *pool = nil;
4559
4560   /* NSTRACE (fd_handler); */
4561
4562   for (;;)
4563     {
4564       [pool release];
4565       pool = [[NSAutoreleasePool alloc] init];
4566
4567       if (waiting)
4568         {
4569           SELECT_TYPE fds;
4570           FD_ZERO (&fds);
4571           FD_SET (selfds[0], &fds);
4572           result = select (selfds[0]+1, &fds, NULL, NULL, NULL);
4573           if (result > 0)
4574             {
4575               read (selfds[0], &c, 1);
4576               if (c == 'g') waiting = 0;
4577             }
4578         }
4579       else
4580         {
4581           pthread_mutex_lock (&select_mutex);
4582           nfds = select_nfds;
4583
4584           if (select_valid & SELECT_HAVE_READ)
4585             readfds = select_readfds;
4586           else
4587             FD_ZERO (&readfds);
4588
4589           if (select_valid & SELECT_HAVE_WRITE)
4590             {
4591               writefds = select_writefds;
4592               wfds = &writefds;
4593             }
4594           else
4595             wfds = NULL;
4596           if (select_valid & SELECT_HAVE_TMO)
4597             {
4598               timeout = select_timeout;
4599               tmo = &timeout;
4600             }
4601           else
4602             tmo = NULL;
4603
4604           pthread_mutex_unlock (&select_mutex);
4605
4606           FD_SET (selfds[0], &readfds);
4607           if (selfds[0] >= nfds) nfds = selfds[0]+1;
4608
4609           result = pselect (nfds, &readfds, wfds, NULL, tmo, NULL);
4610
4611           if (result == 0)
4612             ns_send_appdefined (-2);
4613           else if (result > 0)
4614             {
4615               if (FD_ISSET (selfds[0], &readfds))
4616                 {
4617                   read (selfds[0], &c, 1);
4618                   if (c == 's') waiting = 1;
4619                 }
4620               else
4621                 {
4622                   pthread_mutex_lock (&select_mutex);
4623                   if (select_valid & SELECT_HAVE_READ)
4624                     select_readfds = readfds;
4625                   if (select_valid & SELECT_HAVE_WRITE)
4626                     select_writefds = writefds;
4627                   if (select_valid & SELECT_HAVE_TMO)
4628                     select_timeout = timeout;
4629                   pthread_mutex_unlock (&select_mutex);
4630
4631                   ns_send_appdefined (result);
4632                 }
4633             }
4634           waiting = 1;
4635         }
4636     }
4637 }
4638
4639
4640
4641 /* ==========================================================================
4642
4643     Service provision
4644
4645    ========================================================================== */
4646
4647 /* called from system: queue for next pass through event loop */
4648 - (void)requestService: (NSPasteboard *)pboard
4649               userData: (NSString *)userData
4650                  error: (NSString **)error
4651 {
4652   [ns_pending_service_names addObject: userData];
4653   [ns_pending_service_args addObject: [NSString stringWithUTF8String:
4654       SSDATA (ns_string_from_pasteboard (pboard))]];
4655 }
4656
4657
4658 /* called from ns_read_socket to clear queue */
4659 - (BOOL)fulfillService: (NSString *)name withArg: (NSString *)arg
4660 {
4661   struct frame *emacsframe = SELECTED_FRAME ();
4662   NSEvent *theEvent = [NSApp currentEvent];
4663
4664   if (!emacs_event)
4665     return NO;
4666
4667   emacs_event->kind = NS_NONKEY_EVENT;
4668   emacs_event->code = KEY_NS_SPI_SERVICE_CALL;
4669   ns_input_spi_name = build_string ([name UTF8String]);
4670   ns_input_spi_arg = build_string ([arg UTF8String]);
4671   emacs_event->modifiers = EV_MODIFIERS (theEvent);
4672   EV_TRAILER (theEvent);
4673
4674   return YES;
4675 }
4676
4677
4678 @end  /* EmacsApp */
4679
4680
4681
4682 /* ==========================================================================
4683
4684     EmacsView implementation
4685
4686    ========================================================================== */
4687
4688
4689 @implementation EmacsView
4690
4691 /* needed to inform when window closed from LISP */
4692 - (void) setWindowClosing: (BOOL)closing
4693 {
4694   windowClosing = closing;
4695 }
4696
4697
4698 - (void)dealloc
4699 {
4700   NSTRACE (EmacsView_dealloc);
4701   [toolbar release];
4702   if (fs_state == FULLSCREEN_BOTH)
4703     [nonfs_window release];
4704   [super dealloc];
4705 }
4706
4707
4708 /* called on font panel selection */
4709 - (void)changeFont: (id)sender
4710 {
4711   NSEvent *e =[[self window] currentEvent];
4712   struct face *face =FRAME_DEFAULT_FACE (emacsframe);
4713   id newFont;
4714   float size;
4715
4716   NSTRACE (changeFont);
4717   if (!emacs_event)
4718     return;
4719
4720   if ((newFont = [sender convertFont:
4721                            ((struct nsfont_info *)face->font)->nsfont]))
4722     {
4723       SET_FRAME_GARBAGED (emacsframe); /* now needed as of 2008/10 */
4724
4725       emacs_event->kind = NS_NONKEY_EVENT;
4726       emacs_event->modifiers = 0;
4727       emacs_event->code = KEY_NS_CHANGE_FONT;
4728
4729       size = [newFont pointSize];
4730       ns_input_fontsize = make_number (lrint (size));
4731       ns_input_font = build_string ([[newFont familyName] UTF8String]);
4732       EV_TRAILER (e);
4733     }
4734 }
4735
4736
4737 - (BOOL)acceptsFirstResponder
4738 {
4739   NSTRACE (acceptsFirstResponder);
4740   return YES;
4741 }
4742
4743
4744 - (void)resetCursorRects
4745 {
4746   NSRect visible = [self visibleRect];
4747   NSCursor *currentCursor = FRAME_POINTER_TYPE (emacsframe);
4748   NSTRACE (resetCursorRects);
4749
4750   if (currentCursor == nil)
4751     currentCursor = [NSCursor arrowCursor];
4752
4753   if (!NSIsEmptyRect (visible))
4754     [self addCursorRect: visible cursor: currentCursor];
4755   [currentCursor setOnMouseEntered: YES];
4756 }
4757
4758
4759
4760 /*****************************************************************************/
4761 /* Keyboard handling. */
4762 #define NS_KEYLOG 0
4763
4764 - (void)keyDown: (NSEvent *)theEvent
4765 {
4766   Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (emacsframe);
4767   int code;
4768   unsigned fnKeysym = 0;
4769   int flags;
4770   static NSMutableArray *nsEvArray;
4771 #if !defined (NS_IMPL_COCOA) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6
4772   static BOOL firstTime = YES;
4773 #endif
4774   int left_is_none;
4775
4776   NSTRACE (keyDown);
4777
4778   /* Rhapsody and OS X give up and down events for the arrow keys */
4779   if (ns_fake_keydown == YES)
4780     ns_fake_keydown = NO;
4781   else if ([theEvent type] != NSKeyDown)
4782     return;
4783
4784   if (!emacs_event)
4785     return;
4786
4787  if (![[self window] isKeyWindow]
4788      && [[theEvent window] isKindOfClass: [EmacsWindow class]]
4789      /* we must avoid an infinite loop here. */
4790      && (EmacsView *)[[theEvent window] delegate] != self)
4791    {
4792      /* XXX: There is an occasional condition in which, when Emacs display
4793          updates a different frame from the current one, and temporarily
4794          selects it, then processes some interrupt-driven input
4795          (dispnew.c:3878), OS will send the event to the correct NSWindow, but
4796          for some reason that window has its first responder set to the NSView
4797          most recently updated (I guess), which is not the correct one. */
4798      [(EmacsView *)[[theEvent window] delegate] keyDown: theEvent];
4799      return;
4800    }
4801
4802   if (nsEvArray == nil)
4803     nsEvArray = [[NSMutableArray alloc] initWithCapacity: 1];
4804
4805   [NSCursor setHiddenUntilMouseMoves: YES];
4806
4807   if (hlinfo->mouse_face_hidden && INTEGERP (Vmouse_highlight))
4808     {
4809       clear_mouse_face (hlinfo);
4810       hlinfo->mouse_face_hidden = 1;
4811     }
4812
4813   if (!processingCompose)
4814     {
4815       /* When using screen sharing, no left or right information is sent,
4816          so use Left key in those cases.  */
4817       int is_left_key, is_right_key;
4818
4819       code = ([[theEvent charactersIgnoringModifiers] length] == 0) ?
4820         0 : [[theEvent charactersIgnoringModifiers] characterAtIndex: 0];
4821
4822       /* (Carbon way: [theEvent keyCode]) */
4823
4824       /* is it a "function key"? */
4825       fnKeysym = ns_convert_key (code);
4826       if (fnKeysym)
4827         {
4828           /* COUNTERHACK: map 'Delete' on upper-right main KB to 'Backspace',
4829              because Emacs treats Delete and KP-Delete same (in simple.el). */
4830           if (fnKeysym == 0xFFFF && [theEvent keyCode] == 0x33)
4831             code = 0xFF08; /* backspace */
4832           else
4833             code = fnKeysym;
4834         }
4835
4836       /* are there modifiers? */
4837       emacs_event->modifiers = 0;
4838       flags = [theEvent modifierFlags];
4839
4840       if (flags & NSHelpKeyMask)
4841           emacs_event->modifiers |= hyper_modifier;
4842
4843       if (flags & NSShiftKeyMask)
4844         emacs_event->modifiers |= shift_modifier;
4845
4846       is_right_key = (flags & NSRightCommandKeyMask) == NSRightCommandKeyMask;
4847       is_left_key = (flags & NSLeftCommandKeyMask) == NSLeftCommandKeyMask
4848         || (! is_right_key && (flags & NSCommandKeyMask) == NSCommandKeyMask);
4849
4850       if (is_right_key)
4851         emacs_event->modifiers |= parse_solitary_modifier
4852           (EQ (ns_right_command_modifier, Qleft)
4853            ? ns_command_modifier
4854            : ns_right_command_modifier);
4855
4856       if (is_left_key)
4857         {
4858           emacs_event->modifiers |= parse_solitary_modifier
4859             (ns_command_modifier);
4860
4861           /* if super (default), take input manager's word so things like
4862              dvorak / qwerty layout work */
4863           if (EQ (ns_command_modifier, Qsuper)
4864               && !fnKeysym
4865               && [[theEvent characters] length] != 0)
4866             {
4867               /* XXX: the code we get will be unshifted, so if we have
4868                  a shift modifier, must convert ourselves */
4869               if (!(flags & NSShiftKeyMask))
4870                 code = [[theEvent characters] characterAtIndex: 0];
4871 #if 0
4872               /* this is ugly and also requires linking w/Carbon framework
4873                  (for LMGetKbdType) so for now leave this rare (?) case
4874                  undealt with.. in future look into CGEvent methods */
4875               else
4876                 {
4877                   long smv = GetScriptManagerVariable (smKeyScript);
4878                   Handle uchrHandle = GetResource
4879                     ('uchr', GetScriptVariable (smv, smScriptKeys));
4880                   UInt32 dummy = 0;
4881                   UCKeyTranslate ((UCKeyboardLayout*)*uchrHandle,
4882                                  [[theEvent characters] characterAtIndex: 0],
4883                                  kUCKeyActionDisplay,
4884                                  (flags & ~NSCommandKeyMask) >> 8,
4885                                  LMGetKbdType (), kUCKeyTranslateNoDeadKeysMask,
4886                                  &dummy, 1, &dummy, &code);
4887                   code &= 0xFF;
4888                 }
4889 #endif
4890             }
4891         }
4892
4893       is_right_key = (flags & NSRightControlKeyMask) == NSRightControlKeyMask;
4894       is_left_key = (flags & NSLeftControlKeyMask) == NSLeftControlKeyMask
4895         || (! is_right_key && (flags & NSControlKeyMask) == NSControlKeyMask);
4896
4897       if (is_right_key)
4898           emacs_event->modifiers |= parse_solitary_modifier
4899               (EQ (ns_right_control_modifier, Qleft)
4900                ? ns_control_modifier
4901                : ns_right_control_modifier);
4902
4903       if (is_left_key)
4904         emacs_event->modifiers |= parse_solitary_modifier
4905           (ns_control_modifier);
4906
4907       if (flags & NS_FUNCTION_KEY_MASK && !fnKeysym)
4908           emacs_event->modifiers |=
4909             parse_solitary_modifier (ns_function_modifier);
4910
4911       left_is_none = NILP (ns_alternate_modifier)
4912         || EQ (ns_alternate_modifier, Qnone);
4913
4914       is_right_key = (flags & NSRightAlternateKeyMask)
4915         == NSRightAlternateKeyMask;
4916       is_left_key = (flags & NSLeftAlternateKeyMask) == NSLeftAlternateKeyMask
4917         || (! is_right_key
4918             && (flags & NSAlternateKeyMask) == NSAlternateKeyMask);
4919
4920       if (is_right_key)
4921         {
4922           if ((NILP (ns_right_alternate_modifier)
4923                || EQ (ns_right_alternate_modifier, Qnone)
4924                || (EQ (ns_right_alternate_modifier, Qleft) && left_is_none))
4925               && !fnKeysym)
4926             {   /* accept pre-interp alt comb */
4927               if ([[theEvent characters] length] > 0)
4928                 code = [[theEvent characters] characterAtIndex: 0];
4929               /*HACK: clear lone shift modifier to stop next if from firing */
4930               if (emacs_event->modifiers == shift_modifier)
4931                 emacs_event->modifiers = 0;
4932             }
4933           else
4934             emacs_event->modifiers |= parse_solitary_modifier
4935               (EQ (ns_right_alternate_modifier, Qleft)
4936                ? ns_alternate_modifier
4937                : ns_right_alternate_modifier);
4938         }
4939
4940       if (is_left_key) /* default = meta */
4941         {
4942           if (left_is_none && !fnKeysym)
4943             {   /* accept pre-interp alt comb */
4944               if ([[theEvent characters] length] > 0)
4945                 code = [[theEvent characters] characterAtIndex: 0];
4946               /*HACK: clear lone shift modifier to stop next if from firing */
4947               if (emacs_event->modifiers == shift_modifier)
4948                 emacs_event->modifiers = 0;
4949             }
4950           else
4951               emacs_event->modifiers |=
4952                 parse_solitary_modifier (ns_alternate_modifier);
4953         }
4954
4955   if (NS_KEYLOG)
4956     fprintf (stderr, "keyDown: code =%x\tfnKey =%x\tflags = %x\tmods = %x\n",
4957              code, fnKeysym, flags, emacs_event->modifiers);
4958
4959       /* if it was a function key or had modifiers, pass it directly to emacs */
4960       if (fnKeysym || (emacs_event->modifiers
4961                        && (emacs_event->modifiers != shift_modifier)
4962                        && [[theEvent charactersIgnoringModifiers] length] > 0))
4963 /*[[theEvent characters] length] */
4964         {
4965           emacs_event->kind = NON_ASCII_KEYSTROKE_EVENT;
4966           if (code < 0x20)
4967             code |= (1<<28)|(3<<16);
4968           else if (code == 0x7f)
4969             code |= (1<<28)|(3<<16);
4970           else if (!fnKeysym)
4971             emacs_event->kind = code > 0xFF
4972               ? MULTIBYTE_CHAR_KEYSTROKE_EVENT : ASCII_KEYSTROKE_EVENT;
4973
4974           emacs_event->code = code;
4975           EV_TRAILER (theEvent);
4976           return;
4977         }
4978     }
4979
4980
4981 #if !defined (NS_IMPL_COCOA) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6
4982   /* if we get here we should send the key for input manager processing */
4983   if (firstTime && [[NSInputManager currentInputManager]
4984                      wantsToDelayTextChangeNotifications] == NO)
4985     fprintf (stderr,
4986           "Emacs: WARNING: TextInput mgr wants marked text to be permanent!\n");
4987   firstTime = NO;
4988 #endif
4989   if (NS_KEYLOG && !processingCompose)
4990     fprintf (stderr, "keyDown: Begin compose sequence.\n");
4991
4992   processingCompose = YES;
4993   [nsEvArray addObject: theEvent];
4994   [self interpretKeyEvents: nsEvArray];
4995   [nsEvArray removeObject: theEvent];
4996 }
4997
4998
4999 #ifdef NS_IMPL_COCOA
5000 /* Needed to pick up Ctrl-tab and possibly other events that OS X has
5001    decided not to send key-down for.
5002    See http://osdir.com/ml/editors.vim.mac/2007-10/msg00141.html
5003    This only applies on Tiger and earlier.
5004    If it matches one of these, send it on to keyDown. */
5005 -(void)keyUp: (NSEvent *)theEvent
5006 {
5007   int flags = [theEvent modifierFlags];
5008   int code = [theEvent keyCode];
5009   if (floor (NSAppKitVersionNumber) <= 824 /*NSAppKitVersionNumber10_4*/ &&
5010       code == 0x30 && (flags & NSControlKeyMask) && !(flags & NSCommandKeyMask))
5011     {
5012       if (NS_KEYLOG)
5013         fprintf (stderr, "keyUp: passed test");
5014       ns_fake_keydown = YES;
5015       [self keyDown: theEvent];
5016     }
5017 }
5018 #endif
5019
5020
5021 /* <NSTextInput> implementation (called through super interpretKeyEvents:]). */
5022
5023
5024 /* <NSTextInput>: called when done composing;
5025    NOTE: also called when we delete over working text, followed immed.
5026          by doCommandBySelector: deleteBackward: */
5027 - (void)insertText: (id)aString
5028 {
5029   int code;
5030   int len = [(NSString *)aString length];
5031   int i;
5032
5033   if (NS_KEYLOG)
5034     NSLog (@"insertText '%@'\tlen = %d", aString, len);
5035   processingCompose = NO;
5036
5037   if (!emacs_event)
5038     return;
5039
5040   /* first, clear any working text */
5041   if (workingText != nil)
5042     [self deleteWorkingText];
5043
5044   /* now insert the string as keystrokes */
5045   for (i =0; i<len; i++)
5046     {
5047       code = [aString characterAtIndex: i];
5048       /* TODO: still need this? */
5049       if (code == 0x2DC)
5050         code = '~'; /* 0x7E */
5051       if (code != 32) /* Space */
5052         emacs_event->modifiers = 0;
5053       emacs_event->kind
5054         = code > 0xFF ? MULTIBYTE_CHAR_KEYSTROKE_EVENT : ASCII_KEYSTROKE_EVENT;
5055       emacs_event->code = code;
5056       EV_TRAILER ((id)nil);
5057     }
5058 }
5059
5060
5061 /* <NSTextInput>: inserts display of composing characters */
5062 - (void)setMarkedText: (id)aString selectedRange: (NSRange)selRange
5063 {
5064   NSString *str = [aString respondsToSelector: @selector (string)] ?
5065     [aString string] : aString;
5066   if (NS_KEYLOG)
5067     NSLog (@"setMarkedText '%@' len =%d range %d from %d", str, [str length],
5068            selRange.length, selRange.location);
5069
5070   if (workingText != nil)
5071     [self deleteWorkingText];
5072   if ([str length] == 0)
5073     return;
5074
5075   if (!emacs_event)
5076     return;
5077
5078   processingCompose = YES;
5079   workingText = [str copy];
5080   ns_working_text = build_string ([workingText UTF8String]);
5081
5082   emacs_event->kind = NS_TEXT_EVENT;
5083   emacs_event->code = KEY_NS_PUT_WORKING_TEXT;
5084   EV_TRAILER ((id)nil);
5085 }
5086
5087
5088 /* delete display of composing characters [not in <NSTextInput>] */
5089 - (void)deleteWorkingText
5090 {
5091   if (workingText == nil)
5092     return;
5093   if (NS_KEYLOG)
5094     NSLog(@"deleteWorkingText len =%d\n", [workingText length]);
5095   [workingText release];
5096   workingText = nil;
5097   processingCompose = NO;
5098
5099   if (!emacs_event)
5100     return;
5101
5102   emacs_event->kind = NS_TEXT_EVENT;
5103   emacs_event->code = KEY_NS_UNPUT_WORKING_TEXT;
5104   EV_TRAILER ((id)nil);
5105 }
5106
5107
5108 - (BOOL)hasMarkedText
5109 {
5110   return workingText != nil;
5111 }
5112
5113
5114 - (NSRange)markedRange
5115 {
5116   NSRange rng = workingText != nil
5117     ? NSMakeRange (0, [workingText length]) : NSMakeRange (NSNotFound, 0);
5118   if (NS_KEYLOG)
5119     NSLog (@"markedRange request");
5120   return rng;
5121 }
5122
5123
5124 - (void)unmarkText
5125 {
5126   if (NS_KEYLOG)
5127     NSLog (@"unmark (accept) text");
5128   [self deleteWorkingText];
5129   processingCompose = NO;
5130 }
5131
5132
5133 /* used to position char selection windows, etc. */
5134 - (NSRect)firstRectForCharacterRange: (NSRange)theRange
5135 {
5136   NSRect rect;
5137   NSPoint pt;
5138   struct window *win = XWINDOW (FRAME_SELECTED_WINDOW (emacsframe));
5139   if (NS_KEYLOG)
5140     NSLog (@"firstRectForCharRange request");
5141
5142   rect.size.width = theRange.length * FRAME_COLUMN_WIDTH (emacsframe);
5143   rect.size.height = FRAME_LINE_HEIGHT (emacsframe);
5144   pt.x = WINDOW_TEXT_TO_FRAME_PIXEL_X (win, win->phys_cursor.x);
5145   pt.y = WINDOW_TO_FRAME_PIXEL_Y (win, win->phys_cursor.y
5146                                        +FRAME_LINE_HEIGHT (emacsframe));
5147
5148   pt = [self convertPoint: pt toView: nil];
5149   pt = [[self window] convertBaseToScreen: pt];
5150   rect.origin = pt;
5151   return rect;
5152 }
5153
5154
5155 - (NSInteger)conversationIdentifier
5156 {
5157   return (NSInteger)self;
5158 }
5159
5160
5161 - (void)doCommandBySelector: (SEL)aSelector
5162 {
5163   if (NS_KEYLOG)
5164     NSLog (@"doCommandBySelector: %@", NSStringFromSelector (aSelector));
5165
5166   if (aSelector == @selector (deleteBackward:))
5167     {
5168       /* happens when user backspaces over an ongoing composition:
5169          throw a 'delete' into the event queue */
5170       if (!emacs_event)
5171         return;
5172       emacs_event->kind = NON_ASCII_KEYSTROKE_EVENT;
5173       emacs_event->code = 0xFF08;
5174       EV_TRAILER ((id)nil);
5175     }
5176 }
5177
5178 - (NSArray *)validAttributesForMarkedText
5179 {
5180   static NSArray *arr = nil;
5181   if (arr == nil) arr = [NSArray new];
5182  /* [[NSArray arrayWithObject: NSUnderlineStyleAttributeName] retain]; */
5183   return arr;
5184 }
5185
5186 - (NSRange)selectedRange
5187 {
5188   if (NS_KEYLOG)
5189     NSLog (@"selectedRange request");
5190   return NSMakeRange (NSNotFound, 0);
5191 }
5192
5193 - (NSUInteger)characterIndexForPoint: (NSPoint)thePoint
5194 {
5195   if (NS_KEYLOG)
5196     NSLog (@"characterIndexForPoint request");
5197   return 0;
5198 }
5199
5200 - (NSAttributedString *)attributedSubstringFromRange: (NSRange)theRange
5201 {
5202   static NSAttributedString *str = nil;
5203   if (str == nil) str = [NSAttributedString new];
5204   if (NS_KEYLOG)
5205     NSLog (@"attributedSubstringFromRange request");
5206   return str;
5207 }
5208
5209 /* End <NSTextInput> impl. */
5210 /*****************************************************************************/
5211
5212
5213 /* This is what happens when the user presses a mouse button.  */
5214 - (void)mouseDown: (NSEvent *)theEvent
5215 {
5216   NSPoint p = [self convertPoint: [theEvent locationInWindow] fromView: nil];
5217
5218   NSTRACE (mouseDown);
5219
5220   [self deleteWorkingText];
5221
5222   if (!emacs_event)
5223     return;
5224
5225   last_mouse_frame = emacsframe;
5226   /* appears to be needed to prevent spurious movement events generated on
5227      button clicks */
5228   last_mouse_frame->mouse_moved = 0;
5229
5230   if ([theEvent type] == NSScrollWheel)
5231     {
5232       float delta = [theEvent deltaY];
5233       /* Mac notebooks send wheel events w/delta =0 when trackpad scrolling */
5234       if (delta == 0)
5235         return;
5236       emacs_event->kind = WHEEL_EVENT;
5237       emacs_event->code = 0;
5238       emacs_event->modifiers = EV_MODIFIERS (theEvent) |
5239         ((delta > 0) ? up_modifier : down_modifier);
5240     }
5241   else
5242     {
5243       emacs_event->kind = MOUSE_CLICK_EVENT;
5244       emacs_event->code = EV_BUTTON (theEvent);
5245       emacs_event->modifiers = EV_MODIFIERS (theEvent)
5246                              | EV_UDMODIFIERS (theEvent);
5247     }
5248   XSETINT (emacs_event->x, lrint (p.x));
5249   XSETINT (emacs_event->y, lrint (p.y));
5250   EV_TRAILER (theEvent);
5251 }
5252
5253
5254 - (void)rightMouseDown: (NSEvent *)theEvent
5255 {
5256   NSTRACE (rightMouseDown);
5257   [self mouseDown: theEvent];
5258 }
5259
5260
5261 - (void)otherMouseDown: (NSEvent *)theEvent
5262 {
5263   NSTRACE (otherMouseDown);
5264   [self mouseDown: theEvent];
5265 }
5266
5267
5268 - (void)mouseUp: (NSEvent *)theEvent
5269 {
5270   NSTRACE (mouseUp);
5271   [self mouseDown: theEvent];
5272 }
5273
5274
5275 - (void)rightMouseUp: (NSEvent *)theEvent
5276 {
5277   NSTRACE (rightMouseUp);
5278   [self mouseDown: theEvent];
5279 }
5280
5281
5282 - (void)otherMouseUp: (NSEvent *)theEvent
5283 {
5284   NSTRACE (otherMouseUp);
5285   [self mouseDown: theEvent];
5286 }
5287
5288
5289 - (void) scrollWheel: (NSEvent *)theEvent
5290 {
5291   NSTRACE (scrollWheel);
5292   [self mouseDown: theEvent];
5293 }
5294
5295
5296 /* Tell emacs the mouse has moved. */
5297 - (void)mouseMoved: (NSEvent *)e
5298 {
5299   Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (emacsframe);
5300   Lisp_Object frame;
5301
5302 //  NSTRACE (mouseMoved);
5303
5304   last_mouse_movement_time = EV_TIMESTAMP (e);
5305   last_mouse_motion_position
5306     = [self convertPoint: [e locationInWindow] fromView: nil];
5307
5308   /* update any mouse face */
5309   if (hlinfo->mouse_face_hidden)
5310     {
5311       hlinfo->mouse_face_hidden = 0;
5312       clear_mouse_face (hlinfo);
5313     }
5314
5315   /* tooltip handling */
5316   previous_help_echo_string = help_echo_string;
5317   help_echo_string = Qnil;
5318
5319   if (!note_mouse_movement (emacsframe, last_mouse_motion_position.x,
5320                             last_mouse_motion_position.y))
5321     help_echo_string = previous_help_echo_string;
5322
5323   XSETFRAME (frame, emacsframe);
5324   if (!NILP (help_echo_string) || !NILP (previous_help_echo_string))
5325     {
5326       /* NOTE: help_echo_{window,pos,object} are set in xdisp.c
5327          (note_mouse_highlight), which is called through the
5328          note_mouse_movement () call above */
5329       gen_help_event (help_echo_string, frame, help_echo_window,
5330                       help_echo_object, help_echo_pos);
5331     }
5332   else
5333     {
5334       help_echo_string = Qnil;
5335       gen_help_event (Qnil, frame, Qnil, Qnil, 0);
5336     }
5337
5338   if (emacsframe->mouse_moved && send_appdefined)
5339     ns_send_appdefined (-1);
5340 }
5341
5342
5343 - (void)mouseDragged: (NSEvent *)e
5344 {
5345   NSTRACE (mouseDragged);
5346   [self mouseMoved: e];
5347 }
5348
5349
5350 - (void)rightMouseDragged: (NSEvent *)e
5351 {
5352   NSTRACE (rightMouseDragged);
5353   [self mouseMoved: e];
5354 }
5355
5356
5357 - (void)otherMouseDragged: (NSEvent *)e
5358 {
5359   NSTRACE (otherMouseDragged);
5360   [self mouseMoved: e];
5361 }
5362
5363
5364 - (BOOL)windowShouldClose: (id)sender
5365 {
5366   NSEvent *e =[[self window] currentEvent];
5367
5368   NSTRACE (windowShouldClose);
5369   windowClosing = YES;
5370   if (!emacs_event)
5371     return NO;
5372   emacs_event->kind = DELETE_WINDOW_EVENT;
5373   emacs_event->modifiers = 0;
5374   emacs_event->code = 0;
5375   EV_TRAILER (e);
5376   /* Don't close this window, let this be done from lisp code.  */
5377   return NO;
5378 }
5379
5380 - (void) updateFrameSize: (BOOL) delay;
5381 {
5382   NSWindow *window = [self window];
5383   NSRect wr = [window frame];
5384 #ifdef NS_IMPL_GNUSTEP
5385   int extra = 3;
5386 #else
5387   int extra = 0;
5388 #endif
5389
5390   int oldc = cols, oldr = rows;
5391   int oldw = FRAME_PIXEL_WIDTH (emacsframe),
5392     oldh = FRAME_PIXEL_HEIGHT (emacsframe);
5393   int neww, newh;
5394
5395   cols = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (emacsframe, wr.size.width + extra);
5396
5397   if (cols < MINWIDTH)
5398     cols = MINWIDTH;
5399
5400   rows = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES
5401     (emacsframe, wr.size.height
5402      - FRAME_NS_TITLEBAR_HEIGHT (emacsframe) + extra
5403      - FRAME_TOOLBAR_HEIGHT (emacsframe));
5404
5405   if (rows < MINHEIGHT)
5406     rows = MINHEIGHT;
5407
5408   neww = (int)wr.size.width - emacsframe->border_width;
5409   newh = ((int)wr.size.height
5410           - FRAME_NS_TITLEBAR_HEIGHT (emacsframe)
5411           - FRAME_TOOLBAR_HEIGHT (emacsframe));
5412
5413   if (oldr != rows || oldc != cols || neww != oldw || newh != oldh)
5414     {
5415       NSView *view = FRAME_NS_VIEW (emacsframe);
5416       FRAME_PIXEL_WIDTH (emacsframe) = neww;
5417       FRAME_PIXEL_HEIGHT (emacsframe) = newh;
5418       change_frame_size (emacsframe, rows, cols, 0, delay, 0);
5419       SET_FRAME_GARBAGED (emacsframe);
5420       cancel_mouse_face (emacsframe);
5421       [view setFrame: NSMakeRect (0, 0, neww, newh)];
5422       [self windowDidMove:nil];   // Update top/left.
5423     }
5424 }
5425
5426 - (NSSize)windowWillResize: (NSWindow *)sender toSize: (NSSize)frameSize
5427 /* normalize frame to gridded text size */
5428 {
5429   NSTRACE (windowWillResize);
5430 /*fprintf (stderr,"Window will resize: %.0f x %.0f\n",frameSize.width,frameSize.height); */
5431
5432   if (fs_state == FULLSCREEN_MAXIMIZED
5433       && (maximized_width != (int)frameSize.width
5434           || maximized_height != (int)frameSize.height))
5435     [self setFSValue: FULLSCREEN_NONE];
5436   else if (fs_state == FULLSCREEN_WIDTH
5437            && maximized_width != (int)frameSize.width)
5438     [self setFSValue: FULLSCREEN_NONE];
5439   else if (fs_state == FULLSCREEN_HEIGHT
5440            && maximized_height != (int)frameSize.height)
5441     [self setFSValue: FULLSCREEN_NONE];
5442   if (fs_state == FULLSCREEN_NONE)
5443     maximized_width = maximized_height = -1;
5444
5445   cols = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (emacsframe,
5446 #ifdef NS_IMPL_GNUSTEP
5447                                         frameSize.width + 3);
5448 #else
5449                                         frameSize.width);
5450 #endif
5451   if (cols < MINWIDTH)
5452     cols = MINWIDTH;
5453
5454   rows = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (emacsframe, frameSize.height
5455 #ifdef NS_IMPL_GNUSTEP
5456       - FRAME_NS_TITLEBAR_HEIGHT (emacsframe) + 3
5457         - FRAME_TOOLBAR_HEIGHT (emacsframe));
5458 #else
5459       - FRAME_NS_TITLEBAR_HEIGHT (emacsframe)
5460         - FRAME_TOOLBAR_HEIGHT (emacsframe));
5461 #endif
5462   if (rows < MINHEIGHT)
5463     rows = MINHEIGHT;
5464 #ifdef NS_IMPL_COCOA
5465   {
5466     /* this sets window title to have size in it; the wm does this under GS */
5467     NSRect r = [[self window] frame];
5468     if (r.size.height == frameSize.height && r.size.width == frameSize.width)
5469       {
5470         if (old_title != 0)
5471           {
5472             xfree (old_title);
5473             old_title = 0;
5474           }
5475       }
5476     else
5477       {
5478         char *size_title;
5479         NSWindow *window = [self window];
5480         if (old_title == 0)
5481           {
5482             const char *t = [[[self window] title] UTF8String];
5483             char *pos = strstr (t, "  —  ");
5484             if (pos)
5485               *pos = '\0';
5486             old_title = xstrdup (t);
5487           }
5488         size_title = xmalloc (strlen (old_title) + 40);
5489         esprintf (size_title, "%s  —  (%d x %d)", old_title, cols, rows);
5490         [window setTitle: [NSString stringWithUTF8String: size_title]];
5491         [window display];
5492         xfree (size_title);
5493       }
5494   }
5495 #endif /* NS_IMPL_COCOA */
5496 /*fprintf (stderr,"    ...size became %.0f x %.0f  (%d x %d)\n",frameSize.width,frameSize.height,cols,rows); */
5497
5498   return frameSize;
5499 }
5500
5501
5502 - (void)windowDidResize: (NSNotification *)notification
5503 {
5504
5505 #if !defined (NEW_STYLE_FS) && ! defined (NS_IMPL_GNUSTEP)
5506   NSWindow *theWindow = [notification object];
5507   /* We can get notification on the non-FS window when in fullscreen mode.  */
5508   if ([self window] != theWindow) return;
5509 #endif
5510
5511 #ifdef NS_IMPL_GNUSTEP
5512   NSWindow *theWindow = [notification object];
5513
5514    /* In GNUstep, at least currently, it's possible to get a didResize
5515       without getting a willResize.. therefore we need to act as if we got
5516       the willResize now */
5517   NSSize sz = [theWindow frame].size;
5518   sz = [self windowWillResize: theWindow toSize: sz];
5519 #endif /* NS_IMPL_GNUSTEP */
5520
5521   NSTRACE (windowDidResize);
5522 /*fprintf (stderr,"windowDidResize: %.0f\n",[theWindow frame].size.height); */
5523
5524 #ifdef NS_IMPL_COCOA
5525   if (old_title != 0)
5526     {
5527       xfree (old_title);
5528       old_title = 0;
5529     }
5530 #endif /* NS_IMPL_COCOA */
5531
5532   if (cols > 0 && rows > 0)
5533     {
5534       [self updateFrameSize: YES];
5535     }
5536
5537   ns_send_appdefined (-1);
5538 }
5539
5540
5541 - (void)windowDidBecomeKey: (NSNotification *)notification
5542 /* cf. x_detect_focus_change(), x_focus_changed(), x_new_focus_frame() */
5543 {
5544   struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (emacsframe);
5545   struct frame *old_focus = dpyinfo->x_focus_frame;
5546
5547   NSTRACE (windowDidBecomeKey);
5548
5549   if (emacsframe != old_focus)
5550     dpyinfo->x_focus_frame = emacsframe;
5551
5552   ns_frame_rehighlight (emacsframe);
5553
5554   if (emacs_event)
5555     {
5556       emacs_event->kind = FOCUS_IN_EVENT;
5557       EV_TRAILER ((id)nil);
5558     }
5559 }
5560
5561
5562 - (void)windowDidResignKey: (NSNotification *)notification
5563 /* cf. x_detect_focus_change(), x_focus_changed(), x_new_focus_frame() */
5564 {
5565   struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (emacsframe);
5566   NSTRACE (windowDidResignKey);
5567
5568   if (dpyinfo->x_focus_frame == emacsframe)
5569     dpyinfo->x_focus_frame = 0;
5570
5571   ns_frame_rehighlight (emacsframe);
5572
5573   /* FIXME: for some reason needed on second and subsequent clicks away
5574             from sole-frame Emacs to get hollow box to show */
5575   if (!windowClosing && [[self window] isVisible] == YES)
5576     {
5577       x_update_cursor (emacsframe, 1);
5578       x_set_frame_alpha (emacsframe);
5579     }
5580
5581   if (emacs_event)
5582     {
5583       [self deleteWorkingText];
5584       emacs_event->kind = FOCUS_IN_EVENT;
5585       EV_TRAILER ((id)nil);
5586     }
5587 }
5588
5589
5590 - (void)windowWillMiniaturize: sender
5591 {
5592   NSTRACE (windowWillMiniaturize);
5593 }
5594
5595
5596 - (BOOL)isFlipped
5597 {
5598   return YES;
5599 }
5600
5601
5602 - (BOOL)isOpaque
5603 {
5604   return NO;
5605 }
5606
5607
5608 - initFrameFromEmacs: (struct frame *)f
5609 {
5610   NSRect r, wr;
5611   Lisp_Object tem;
5612   NSWindow *win;
5613   NSButton *toggleButton;
5614   NSSize sz;
5615   NSColor *col;
5616   NSString *name;
5617
5618   NSTRACE (initFrameFromEmacs);
5619
5620   windowClosing = NO;
5621   processingCompose = NO;
5622   scrollbarsNeedingUpdate = 0;
5623   fs_state = FULLSCREEN_NONE;
5624   fs_before_fs = next_maximized = -1;
5625   maximized_width = maximized_height = -1;
5626   nonfs_window = nil;
5627
5628 /*fprintf (stderr,"init with %d, %d\n",f->text_cols, f->text_lines); */
5629
5630   ns_userRect = NSMakeRect (0, 0, 0, 0);
5631   r = NSMakeRect (0, 0, FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, f->text_cols),
5632                  FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, f->text_lines));
5633   [self initWithFrame: r];
5634   [self setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable];
5635
5636   FRAME_NS_VIEW (f) = self;
5637   emacsframe = f;
5638   old_title = 0;
5639
5640   win = [[EmacsWindow alloc]
5641             initWithContentRect: r
5642                       styleMask: (NSResizableWindowMask |
5643 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
5644                                   NSTitledWindowMask |
5645 #endif
5646                                   NSMiniaturizableWindowMask |
5647                                   NSClosableWindowMask)
5648                         backing: NSBackingStoreBuffered
5649                           defer: YES];
5650
5651 #ifdef NEW_STYLE_FS
5652     [win setCollectionBehavior:NSWindowCollectionBehaviorFullScreenPrimary];
5653 #endif
5654
5655   wr = [win frame];
5656   bwidth = f->border_width = wr.size.width - r.size.width;
5657   tibar_height = FRAME_NS_TITLEBAR_HEIGHT (f) = wr.size.height - r.size.height;
5658
5659   [win setAcceptsMouseMovedEvents: YES];
5660   [win setDelegate: self];
5661   [win useOptimizedDrawing: YES];
5662
5663   sz.width = FRAME_COLUMN_WIDTH (f);
5664   sz.height = FRAME_LINE_HEIGHT (f);
5665   [win setResizeIncrements: sz];
5666
5667   [[win contentView] addSubview: self];
5668
5669   if (ns_drag_types)
5670     [self registerForDraggedTypes: ns_drag_types];
5671
5672   tem = f->name;
5673   name = [NSString stringWithUTF8String:
5674                    NILP (tem) ? "Emacs" : SSDATA (tem)];
5675   [win setTitle: name];
5676
5677   /* toolbar support */
5678   toolbar = [[EmacsToolbar alloc] initForView: self withIdentifier:
5679                          [NSString stringWithFormat: @"Emacs Frame %d",
5680                                    ns_window_num]];
5681   [win setToolbar: toolbar];
5682   [toolbar setVisible: NO];
5683 #ifdef NS_IMPL_COCOA
5684   toggleButton = [win standardWindowButton: NSWindowToolbarButton];
5685   [toggleButton setTarget: self];
5686   [toggleButton setAction: @selector (toggleToolbar: )];
5687 #endif
5688   FRAME_TOOLBAR_HEIGHT (f) = 0;
5689
5690   tem = f->icon_name;
5691   if (!NILP (tem))
5692     [win setMiniwindowTitle:
5693            [NSString stringWithUTF8String: SSDATA (tem)]];
5694
5695   {
5696     NSScreen *screen = [win screen];
5697
5698     if (screen != 0)
5699       [win setFrameTopLeftPoint: NSMakePoint
5700            (IN_BOUND (-SCREENMAX, f->left_pos, SCREENMAX),
5701             IN_BOUND (-SCREENMAX,
5702                      [screen frame].size.height - NS_TOP_POS (f), SCREENMAX))];
5703   }
5704
5705   [win makeFirstResponder: self];
5706
5707   col = ns_lookup_indexed_color (NS_FACE_BACKGROUND
5708                                   (FRAME_DEFAULT_FACE (emacsframe)), emacsframe);
5709   [win setBackgroundColor: col];
5710   if ([col alphaComponent] != 1.0)
5711     [win setOpaque: NO];
5712
5713   [self allocateGState];
5714
5715   [NSApp registerServicesMenuSendTypes: ns_send_types
5716                            returnTypes: nil];
5717
5718   ns_window_num++;
5719   return self;
5720 }
5721
5722
5723 - (void)windowDidMove: sender
5724 {
5725   NSWindow *win = [self window];
5726   NSRect r = [win frame];
5727   NSArray *screens = [NSScreen screens];
5728   NSScreen *screen = [screens objectAtIndex: 0];
5729
5730   NSTRACE (windowDidMove);
5731
5732   if (!emacsframe->output_data.ns)
5733     return;
5734   if (screen != nil)
5735     {
5736       emacsframe->left_pos = r.origin.x;
5737       emacsframe->top_pos =
5738         [screen frame].size.height - (r.origin.y + r.size.height);
5739     }
5740 }
5741
5742
5743 /* Called AFTER method below, but before our windowWillResize call there leads
5744    to windowDidResize -> x_set_window_size.  Update emacs' notion of frame
5745    location so set_window_size moves the frame. */
5746 - (BOOL)windowShouldZoom: (NSWindow *)sender toFrame: (NSRect)newFrame
5747 {
5748   emacsframe->output_data.ns->zooming = 1;
5749   return YES;
5750 }
5751
5752
5753 /* Override to do something slightly nonstandard, but nice.  First click on
5754    zoom button will zoom vertically.  Second will zoom completely.  Third
5755    returns to original. */
5756 - (NSRect)windowWillUseStandardFrame:(NSWindow *)sender
5757                         defaultFrame:(NSRect)defaultFrame
5758 {
5759   NSRect result = [sender frame];
5760
5761   NSTRACE (windowWillUseStandardFrame);
5762
5763   if (fs_before_fs != -1) /* Entering fullscreen */
5764       {
5765         result = defaultFrame;
5766       }
5767   else if (next_maximized == FULLSCREEN_HEIGHT
5768       || (next_maximized == -1
5769           && abs (defaultFrame.size.height - result.size.height)
5770           > FRAME_LINE_HEIGHT (emacsframe)))
5771     {
5772       /* first click */
5773       ns_userRect = result;
5774       maximized_height = result.size.height = defaultFrame.size.height;
5775       maximized_width = -1;
5776       result.origin.y = defaultFrame.origin.y;
5777       [self setFSValue: FULLSCREEN_HEIGHT];
5778     }
5779   else if (next_maximized == FULLSCREEN_WIDTH)
5780     {
5781       ns_userRect = result;
5782       maximized_width = result.size.width = defaultFrame.size.width;
5783       maximized_height = -1;
5784       result.origin.x = defaultFrame.origin.x;
5785       [self setFSValue: FULLSCREEN_WIDTH];
5786     }
5787   else if (next_maximized == FULLSCREEN_MAXIMIZED
5788            || (next_maximized == -1
5789                && abs (defaultFrame.size.width - result.size.width)
5790                > FRAME_COLUMN_WIDTH (emacsframe)))
5791     {
5792       result = defaultFrame;  /* second click */
5793       maximized_width = result.size.width;
5794       maximized_height = result.size.height;
5795       [self setFSValue: FULLSCREEN_MAXIMIZED];
5796     }
5797   else
5798     {
5799       /* restore */
5800       result = ns_userRect.size.height ? ns_userRect : result;
5801       ns_userRect = NSMakeRect (0, 0, 0, 0);
5802       [self setFSValue: FULLSCREEN_NONE];
5803       maximized_width = maximized_width = -1;
5804     }
5805
5806   if (fs_before_fs == -1) next_maximized = -1;
5807   [self windowWillResize: sender toSize: result.size];
5808   return result;
5809 }
5810
5811
5812 - (void)windowDidDeminiaturize: sender
5813 {
5814   NSTRACE (windowDidDeminiaturize);
5815   if (!emacsframe->output_data.ns)
5816     return;
5817   emacsframe->async_iconified = 0;
5818   emacsframe->async_visible   = 1;
5819   windows_or_buffers_changed++;
5820
5821   if (emacs_event)
5822     {
5823       emacs_event->kind = ICONIFY_EVENT;
5824       EV_TRAILER ((id)nil);
5825     }
5826 }
5827
5828
5829 - (void)windowDidExpose: sender
5830 {
5831   NSTRACE (windowDidExpose);
5832   if (!emacsframe->output_data.ns)
5833     return;
5834   emacsframe->async_visible = 1;
5835   SET_FRAME_GARBAGED (emacsframe);
5836
5837   if (send_appdefined)
5838     ns_send_appdefined (-1);
5839 }
5840
5841
5842 - (void)windowDidMiniaturize: sender
5843 {
5844   NSTRACE (windowDidMiniaturize);
5845   if (!emacsframe->output_data.ns)
5846     return;
5847
5848   emacsframe->async_iconified = 1;
5849   emacsframe->async_visible = 0;
5850
5851   if (emacs_event)
5852     {
5853       emacs_event->kind = ICONIFY_EVENT;
5854       EV_TRAILER ((id)nil);
5855     }
5856 }
5857
5858 - (void)windowWillEnterFullScreen:(NSNotification *)notification
5859 {
5860   fs_before_fs = fs_state;
5861 }
5862
5863 - (void)windowDidEnterFullScreen:(NSNotification *)notification
5864 {
5865   [self setFSValue: FULLSCREEN_BOTH];
5866 #ifdef NEW_STYLE_FS
5867   // Fix bad background.
5868   if ([toolbar isVisible])
5869     {
5870       [toolbar setVisible:NO];
5871       [toolbar setVisible:YES];
5872     }
5873 #else
5874   [self windowDidBecomeKey:notification];
5875   [nonfs_window orderOut:self];
5876 #endif
5877 }
5878
5879 - (void)windowWillExitFullScreen:(NSNotification *)notification
5880 {
5881   if (next_maximized != -1)
5882     fs_before_fs = next_maximized;
5883 }
5884
5885 - (void)windowDidExitFullScreen:(NSNotification *)notification
5886 {
5887   [self setFSValue: fs_before_fs];
5888   fs_before_fs = -1;
5889   if (next_maximized != -1)
5890     [[self window] performZoom:self];
5891 }
5892
5893 - (void)toggleFullScreen: (id)sender
5894 {
5895 #ifdef NEW_STYLE_FS
5896   [[self window] toggleFullScreen:sender];
5897 #else
5898   NSWindow *w = [self window], *fw;
5899   BOOL onFirstScreen = [[w screen]
5900                          isEqual:[[NSScreen screens] objectAtIndex:0]];
5901   struct frame *f = emacsframe;
5902   NSSize sz;
5903   NSRect r, wr = [w frame];
5904   NSColor *col = ns_lookup_indexed_color (NS_FACE_BACKGROUND
5905                                           (FRAME_DEFAULT_FACE (f)),
5906                                           f);
5907
5908   sz.width = FRAME_COLUMN_WIDTH (f);
5909   sz.height = FRAME_LINE_HEIGHT (f);
5910
5911   if (fs_state != FULLSCREEN_BOTH)
5912     {
5913       /* Hide dock and menubar if we are on the primary screen.  */
5914       if (onFirstScreen)
5915         {
5916 #if defined (NS_IMPL_COCOA) && \
5917   MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
5918           NSApplicationPresentationOptions options
5919             = NSApplicationPresentationAutoHideDock
5920             | NSApplicationPresentationAutoHideMenuBar;
5921
5922           [NSApp setPresentationOptions: options];
5923 #else
5924           [NSMenu setMenuBarVisible:NO];
5925 #endif
5926         }
5927
5928       fw = [[EmacsFSWindow alloc]
5929                        initWithContentRect:[w contentRectForFrameRect:wr]
5930                                  styleMask:NSBorderlessWindowMask
5931                                    backing:NSBackingStoreBuffered
5932                                      defer:YES
5933                                     screen:[w screen]];
5934
5935       [fw setContentView:[w contentView]];
5936       [fw setTitle:[w title]];
5937       [fw setDelegate:self];
5938       [fw setAcceptsMouseMovedEvents: YES];
5939       [fw useOptimizedDrawing: YES];
5940       [fw setResizeIncrements: sz];
5941       [fw setBackgroundColor: col];
5942       if ([col alphaComponent] != 1.0)
5943         [fw setOpaque: NO];
5944
5945       f->border_width = 0;
5946       FRAME_NS_TITLEBAR_HEIGHT (f) = 0;
5947       tobar_height = FRAME_TOOLBAR_HEIGHT (f);
5948       FRAME_TOOLBAR_HEIGHT (f) = 0;
5949       FRAME_EXTERNAL_TOOL_BAR (f) = 0;
5950
5951       nonfs_window = w;
5952
5953       [self windowWillEnterFullScreen:nil];
5954       [fw makeKeyAndOrderFront:NSApp];
5955       [fw makeFirstResponder:self];
5956       [w orderOut:self];
5957       r = [fw frameRectForContentRect:[[fw screen] frame]];
5958       [fw setFrame: r display:YES animate:YES];
5959       [self windowDidEnterFullScreen:nil];
5960       [fw display];
5961     }
5962   else
5963     {
5964       fw = w;
5965       w = nonfs_window;
5966       nonfs_window = nil;
5967
5968       if (onFirstScreen)
5969         {
5970 #if defined (NS_IMPL_COCOA) && \
5971   MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
5972           [NSApp setPresentationOptions: NSApplicationPresentationDefault];
5973 #else
5974           [NSMenu setMenuBarVisible:YES];
5975 #endif
5976         }
5977
5978       [w setContentView:[fw contentView]];
5979       [w setResizeIncrements: sz];
5980       [w setBackgroundColor: col];
5981       if ([col alphaComponent] != 1.0)
5982         [w setOpaque: NO];
5983
5984       f->border_width = bwidth;
5985       FRAME_NS_TITLEBAR_HEIGHT (f) = tibar_height;
5986       FRAME_TOOLBAR_HEIGHT (f) = tobar_height;
5987       if (tobar_height)
5988         FRAME_EXTERNAL_TOOL_BAR (f) = 1;
5989
5990       [self windowWillExitFullScreen:nil];
5991       [fw setFrame: [w frame] display:YES animate:YES];
5992       [fw close];
5993       [w makeKeyAndOrderFront:NSApp];
5994       [self windowDidExitFullScreen:nil];
5995     }
5996 #endif
5997 }
5998
5999 - (void)handleFS
6000 {
6001   if (fs_state != emacsframe->want_fullscreen)
6002     {
6003       if (fs_state == FULLSCREEN_BOTH)
6004         {
6005           [self toggleFullScreen:self];
6006         }
6007
6008       switch (emacsframe->want_fullscreen)
6009         {
6010         case FULLSCREEN_BOTH:
6011           [self toggleFullScreen:self];
6012           break;
6013         case FULLSCREEN_WIDTH:
6014           next_maximized = FULLSCREEN_WIDTH;
6015           if (fs_state != FULLSCREEN_BOTH)
6016             [[self window] performZoom:self];
6017           break;
6018         case FULLSCREEN_HEIGHT:
6019           next_maximized = FULLSCREEN_HEIGHT;
6020           if (fs_state != FULLSCREEN_BOTH)
6021             [[self window] performZoom:self];
6022           break;
6023         case FULLSCREEN_MAXIMIZED:
6024           next_maximized = FULLSCREEN_MAXIMIZED;
6025           if (fs_state != FULLSCREEN_BOTH)
6026             [[self window] performZoom:self];
6027           break;
6028         case FULLSCREEN_NONE:
6029           if (fs_state != FULLSCREEN_BOTH)
6030             {
6031               next_maximized = FULLSCREEN_NONE;
6032               [[self window] performZoom:self];
6033             }
6034           break;
6035         }
6036
6037       emacsframe->want_fullscreen = FULLSCREEN_NONE;
6038     }
6039
6040 }
6041
6042 - (void) setFSValue: (int)value
6043 {
6044   Lisp_Object lval = Qnil;
6045   switch (value)
6046     {
6047     case FULLSCREEN_BOTH:
6048       lval = Qfullboth;
6049       break;
6050     case FULLSCREEN_WIDTH:
6051       lval = Qfullwidth;
6052       break;
6053     case FULLSCREEN_HEIGHT:
6054       lval = Qfullheight;
6055       break;
6056     case FULLSCREEN_MAXIMIZED:
6057       lval = Qmaximized;
6058       break;
6059     }
6060   store_frame_param (emacsframe, Qfullscreen, lval);
6061   fs_state = value;
6062 }
6063
6064 - (void)mouseEntered: (NSEvent *)theEvent
6065 {
6066   NSTRACE (mouseEntered);
6067   last_mouse_movement_time = EV_TIMESTAMP (theEvent);
6068 }
6069
6070
6071 - (void)mouseExited: (NSEvent *)theEvent
6072 {
6073   Mouse_HLInfo *hlinfo = emacsframe ? MOUSE_HL_INFO (emacsframe) : NULL;
6074
6075   NSTRACE (mouseExited);
6076
6077   if (!hlinfo)
6078     return;
6079
6080   last_mouse_movement_time = EV_TIMESTAMP (theEvent);
6081
6082   if (emacsframe == hlinfo->mouse_face_mouse_frame)
6083     {
6084       clear_mouse_face (hlinfo);
6085       hlinfo->mouse_face_mouse_frame = 0;
6086     }
6087 }
6088
6089
6090 - menuDown: sender
6091 {
6092   NSTRACE (menuDown);
6093   if (context_menu_value == -1)
6094     context_menu_value = [sender tag];
6095   else
6096     {
6097       NSInteger tag = [sender tag];
6098       find_and_call_menu_selection (emacsframe, emacsframe->menu_bar_items_used,
6099                                     emacsframe->menu_bar_vector,
6100                                     (void *)tag);
6101     }
6102
6103   ns_send_appdefined (-1);
6104   return self;
6105 }
6106
6107
6108 - (EmacsToolbar *)toolbar
6109 {
6110   return toolbar;
6111 }
6112
6113
6114 /* this gets called on toolbar button click */
6115 - toolbarClicked: (id)item
6116 {
6117   NSEvent *theEvent;
6118   int idx = [item tag] * TOOL_BAR_ITEM_NSLOTS;
6119
6120   NSTRACE (toolbarClicked);
6121
6122   if (!emacs_event)
6123     return self;
6124
6125   /* send first event (for some reason two needed) */
6126   theEvent = [[self window] currentEvent];
6127   emacs_event->kind = TOOL_BAR_EVENT;
6128   XSETFRAME (emacs_event->arg, emacsframe);
6129   EV_TRAILER (theEvent);
6130
6131   emacs_event->kind = TOOL_BAR_EVENT;
6132 /*   XSETINT (emacs_event->code, 0); */
6133   emacs_event->arg = AREF (emacsframe->tool_bar_items,
6134                            idx + TOOL_BAR_ITEM_KEY);
6135   emacs_event->modifiers = EV_MODIFIERS (theEvent);
6136   EV_TRAILER (theEvent);
6137   return self;
6138 }
6139
6140
6141 - toggleToolbar: (id)sender
6142 {
6143   if (!emacs_event)
6144     return self;
6145
6146   emacs_event->kind = NS_NONKEY_EVENT;
6147   emacs_event->code = KEY_NS_TOGGLE_TOOLBAR;
6148   EV_TRAILER ((id)nil);
6149   return self;
6150 }
6151
6152
6153 - (void)drawRect: (NSRect)rect
6154 {
6155   int x = NSMinX (rect), y = NSMinY (rect);
6156   int width = NSWidth (rect), height = NSHeight (rect);
6157
6158   NSTRACE (drawRect);
6159
6160   if (!emacsframe || !emacsframe->output_data.ns)
6161     return;
6162
6163   ns_clear_frame_area (emacsframe, x, y, width, height);
6164   expose_frame (emacsframe, x, y, width, height);
6165
6166   /*
6167     drawRect: may be called (at least in OS X 10.5) for invisible
6168     views as well for some reason.  Thus, do not infer visibility
6169     here.
6170
6171     emacsframe->async_visible = 1;
6172     emacsframe->async_iconified = 0;
6173   */
6174 }
6175
6176
6177 /* NSDraggingDestination protocol methods.  Actually this is not really a
6178    protocol, but a category of Object.  O well...  */
6179
6180 -(NSUInteger) draggingEntered: (id <NSDraggingInfo>) sender
6181 {
6182   NSTRACE (draggingEntered);
6183   return NSDragOperationGeneric;
6184 }
6185
6186
6187 -(BOOL)prepareForDragOperation: (id <NSDraggingInfo>) sender
6188 {
6189   return YES;
6190 }
6191
6192
6193 -(BOOL)performDragOperation: (id <NSDraggingInfo>) sender
6194 {
6195   id pb;
6196   int x, y;
6197   NSString *type;
6198   NSEvent *theEvent = [[self window] currentEvent];
6199   NSPoint position;
6200
6201   NSTRACE (performDragOperation);
6202
6203   if (!emacs_event)
6204     return NO;
6205
6206   position = [self convertPoint: [sender draggingLocation] fromView: nil];
6207   x = lrint (position.x);  y = lrint (position.y);
6208
6209   pb = [sender draggingPasteboard];
6210   type = [pb availableTypeFromArray: ns_drag_types];
6211   if (type == 0)
6212     {
6213       return NO;
6214     }
6215   else if ([type isEqualToString: NSFilenamesPboardType])
6216     {
6217       NSArray *files;
6218       NSEnumerator *fenum;
6219       NSString *file;
6220
6221       if (!(files = [pb propertyListForType: type]))
6222         return NO;
6223
6224       fenum = [files objectEnumerator];
6225       while ( (file = [fenum nextObject]) )
6226         {
6227           emacs_event->kind = NS_NONKEY_EVENT;
6228           emacs_event->code = KEY_NS_DRAG_FILE;
6229           XSETINT (emacs_event->x, x);
6230           XSETINT (emacs_event->y, y);
6231           ns_input_file = append2 (ns_input_file,
6232                                    build_string ([file UTF8String]));
6233           emacs_event->modifiers = EV_MODIFIERS (theEvent);
6234           EV_TRAILER (theEvent);
6235         }
6236       return YES;
6237     }
6238   else if ([type isEqualToString: NSURLPboardType])
6239     {
6240       NSString *file;
6241       NSURL *fileURL;
6242
6243       if (!(fileURL = [NSURL URLFromPasteboard: pb]) ||
6244           [fileURL isFileURL] == NO)
6245         return NO;
6246
6247       file = [fileURL path];
6248       emacs_event->kind = NS_NONKEY_EVENT;
6249       emacs_event->code = KEY_NS_DRAG_FILE;
6250       XSETINT (emacs_event->x, x);
6251       XSETINT (emacs_event->y, y);
6252       ns_input_file = append2 (ns_input_file, build_string ([file UTF8String]));
6253       emacs_event->modifiers = EV_MODIFIERS (theEvent);
6254       EV_TRAILER (theEvent);
6255       return YES;
6256     }
6257   else if ([type isEqualToString: NSStringPboardType]
6258            || [type isEqualToString: NSTabularTextPboardType])
6259     {
6260       NSString *data;
6261
6262       if (! (data = [pb stringForType: type]))
6263         return NO;
6264
6265       emacs_event->kind = NS_NONKEY_EVENT;
6266       emacs_event->code = KEY_NS_DRAG_TEXT;
6267       XSETINT (emacs_event->x, x);
6268       XSETINT (emacs_event->y, y);
6269       ns_input_text = build_string ([data UTF8String]);
6270       emacs_event->modifiers = EV_MODIFIERS (theEvent);
6271       EV_TRAILER (theEvent);
6272       return YES;
6273     }
6274   else if ([type isEqualToString: NSColorPboardType])
6275     {
6276       NSColor *c = [NSColor colorFromPasteboard: pb];
6277       emacs_event->kind = NS_NONKEY_EVENT;
6278       emacs_event->code = KEY_NS_DRAG_COLOR;
6279       XSETINT (emacs_event->x, x);
6280       XSETINT (emacs_event->y, y);
6281       ns_input_color = ns_color_to_lisp (c);
6282       emacs_event->modifiers = EV_MODIFIERS (theEvent);
6283       EV_TRAILER (theEvent);
6284       return YES;
6285     }
6286   else if ([type isEqualToString: NSFontPboardType])
6287     {
6288       /* impl based on GNUstep NSTextView.m */
6289       NSData *data = [pb dataForType: NSFontPboardType];
6290       NSDictionary *dict = [NSUnarchiver unarchiveObjectWithData: data];
6291       NSFont *font = [dict objectForKey: NSFontAttributeName];
6292       char fontSize[10];
6293
6294       if (font == nil)
6295         return NO;
6296
6297       emacs_event->kind = NS_NONKEY_EVENT;
6298       emacs_event->code = KEY_NS_CHANGE_FONT;
6299       XSETINT (emacs_event->x, x);
6300       XSETINT (emacs_event->y, y);
6301       ns_input_font = build_string ([[font fontName] UTF8String]);
6302       snprintf (fontSize, 10, "%f", [font pointSize]);
6303       ns_input_fontsize = build_string (fontSize);
6304       emacs_event->modifiers = EV_MODIFIERS (theEvent);
6305       EV_TRAILER (theEvent);
6306       return YES;
6307     }
6308   else
6309     {
6310       error ("Invalid data type in dragging pasteboard.");
6311       return NO;
6312     }
6313 }
6314
6315
6316 - (id) validRequestorForSendType: (NSString *)typeSent
6317                       returnType: (NSString *)typeReturned
6318 {
6319   NSTRACE (validRequestorForSendType);
6320   if (typeSent != nil && [ns_send_types indexOfObject: typeSent] != NSNotFound
6321       && typeReturned == nil)
6322     {
6323       if (! NILP (ns_get_local_selection (QPRIMARY, QUTF8_STRING)))
6324         return self;
6325     }
6326
6327   return [super validRequestorForSendType: typeSent
6328                                returnType: typeReturned];
6329 }
6330
6331
6332 /* The next two methods are part of NSServicesRequests informal protocol,
6333    supposedly called when a services menu item is chosen from this app.
6334    But this should not happen because we override the services menu with our
6335    own entries which call ns-perform-service.
6336    Nonetheless, it appeared to happen (under strange circumstances): bug#1435.
6337    So let's at least stub them out until further investigation can be done. */
6338
6339 - (BOOL) readSelectionFromPasteboard: (NSPasteboard *)pb
6340 {
6341   /* we could call ns_string_from_pasteboard(pboard) here but then it should
6342      be written into the buffer in place of the existing selection..
6343      ordinary service calls go through functions defined in ns-win.el */
6344   return NO;
6345 }
6346
6347 - (BOOL) writeSelectionToPasteboard: (NSPasteboard *)pb types: (NSArray *)types
6348 {
6349   NSArray *typesDeclared;
6350   Lisp_Object val;
6351
6352   /* We only support NSStringPboardType */
6353   if ([types containsObject:NSStringPboardType] == NO) {
6354     return NO;
6355   }
6356
6357   val = ns_get_local_selection (QPRIMARY, QUTF8_STRING);
6358   if (CONSP (val) && SYMBOLP (XCAR (val)))
6359     {
6360       val = XCDR (val);
6361       if (CONSP (val) && NILP (XCDR (val)))
6362         val = XCAR (val);
6363     }
6364   if (! STRINGP (val))
6365     return NO;
6366
6367   typesDeclared = [NSArray arrayWithObject:NSStringPboardType];
6368   [pb declareTypes:typesDeclared owner:nil];
6369   ns_string_to_pasteboard (pb, val);
6370   return YES;
6371 }
6372
6373
6374 /* setMini =YES means set from internal (gives a finder icon), NO means set nil
6375    (gives a miniaturized version of the window); currently we use the latter for
6376    frames whose active buffer doesn't correspond to any file
6377    (e.g., '*scratch*') */
6378 - setMiniwindowImage: (BOOL) setMini
6379 {
6380   id image = [[self window] miniwindowImage];
6381   NSTRACE (setMiniwindowImage);
6382
6383   /* NOTE: under Cocoa miniwindowImage always returns nil, documentation
6384      about "AppleDockIconEnabled" notwithstanding, however the set message
6385      below has its effect nonetheless. */
6386   if (image != emacsframe->output_data.ns->miniimage)
6387     {
6388       if (image && [image isKindOfClass: [EmacsImage class]])
6389         [image release];
6390       [[self window] setMiniwindowImage:
6391                        setMini ? emacsframe->output_data.ns->miniimage : nil];
6392     }
6393
6394   return self;
6395 }
6396
6397
6398 - (void) setRows: (int) r andColumns: (int) c
6399 {
6400   rows = r;
6401   cols = c;
6402 }
6403
6404 @end  /* EmacsView */
6405
6406
6407
6408 /* ==========================================================================
6409
6410     EmacsWindow implementation
6411
6412    ========================================================================== */
6413
6414 @implementation EmacsWindow
6415
6416 #ifdef NS_IMPL_COCOA
6417 - (id)accessibilityAttributeValue:(NSString *)attribute
6418 {
6419   Lisp_Object str = Qnil;
6420   struct frame *f = SELECTED_FRAME ();
6421   struct buffer *curbuf = XBUFFER (XWINDOW (f->selected_window)->buffer);
6422
6423   if ([attribute isEqualToString:NSAccessibilityRoleAttribute])
6424     return NSAccessibilityTextFieldRole;
6425
6426   if ([attribute isEqualToString:NSAccessibilitySelectedTextAttribute]
6427       && curbuf && ! NILP (BVAR (curbuf, mark_active)))
6428     {
6429       str = ns_get_local_selection (QPRIMARY, QUTF8_STRING);
6430     }
6431   else if (curbuf && [attribute isEqualToString:NSAccessibilityValueAttribute])
6432     {
6433       if (! NILP (BVAR (curbuf, mark_active)))
6434           str = ns_get_local_selection (QPRIMARY, QUTF8_STRING);
6435
6436       if (NILP (str))
6437         {
6438           ptrdiff_t start_byte = BUF_BEGV_BYTE (curbuf);
6439           ptrdiff_t byte_range = BUF_ZV_BYTE (curbuf) - start_byte;
6440           ptrdiff_t range = BUF_ZV (curbuf) - BUF_BEGV (curbuf);
6441
6442           if (! NILP (BVAR (curbuf, enable_multibyte_characters)))
6443             str = make_uninit_multibyte_string (range, byte_range);
6444           else
6445             str = make_uninit_string (range);
6446           /* To check: This returns emacs-utf-8, which is a superset of utf-8.
6447              Is this a problem?  */
6448           memcpy (SDATA (str), BYTE_POS_ADDR (start_byte), byte_range);
6449         }
6450     }
6451
6452
6453   if (! NILP (str))
6454     {
6455       if (CONSP (str) && SYMBOLP (XCAR (str)))
6456         {
6457           str = XCDR (str);
6458           if (CONSP (str) && NILP (XCDR (str)))
6459             str = XCAR (str);
6460         }
6461       if (STRINGP (str))
6462         {
6463           const char *utfStr = SSDATA (str);
6464           NSString *nsStr = [NSString stringWithUTF8String: utfStr];
6465           return nsStr;
6466         }
6467     }
6468
6469   return [super accessibilityAttributeValue:attribute];
6470 }
6471 #endif /* NS_IMPL_COCOA */
6472
6473 /* If we have multiple monitors, one above the other, we don't want to
6474    restrict the height to just one monitor.  So we override this.  */
6475 - (NSRect)constrainFrameRect:(NSRect)frameRect toScreen:(NSScreen *)screen
6476 {
6477   /* When making the frame visible for the first time or if there is just
6478      one screen, we want to constrain.  Other times not.  */
6479   NSUInteger nr_screens = [[NSScreen screens] count];
6480   struct frame *f = ((EmacsView *)[self delegate])->emacsframe;
6481   NSTRACE (constrainFrameRect);
6482
6483   if (nr_screens == 1)
6484     {
6485       NSRect r = [super constrainFrameRect:frameRect toScreen:screen];
6486       return r;
6487     }
6488
6489   if (f->output_data.ns->dont_constrain
6490       || ns_menu_bar_should_be_hidden ())
6491     return frameRect;
6492
6493   f->output_data.ns->dont_constrain = 1;
6494   return [super constrainFrameRect:frameRect toScreen:screen];
6495 }
6496
6497 @end /* EmacsWindow */
6498
6499
6500 @implementation EmacsFSWindow
6501
6502 - (BOOL)canBecomeKeyWindow
6503 {
6504   return YES;
6505 }
6506
6507 - (BOOL)canBecomeMainWindow
6508 {
6509   return YES;
6510 }
6511
6512 @end
6513
6514 /* ==========================================================================
6515
6516     EmacsScroller implementation
6517
6518    ========================================================================== */
6519
6520
6521 @implementation EmacsScroller
6522
6523 /* for repeat button push */
6524 #define SCROLL_BAR_FIRST_DELAY 0.5
6525 #define SCROLL_BAR_CONTINUOUS_DELAY (1.0 / 15)
6526
6527 + (CGFloat) scrollerWidth
6528 {
6529   /* TODO: if we want to allow variable widths, this is the place to do it,
6530            however neither GNUstep nor Cocoa support it very well */
6531   return [NSScroller scrollerWidth];
6532 }
6533
6534
6535 - initFrame: (NSRect )r window: (Lisp_Object)nwin
6536 {
6537   NSTRACE (EmacsScroller_initFrame);
6538
6539   r.size.width = [EmacsScroller scrollerWidth];
6540   [super initWithFrame: r/*NSMakeRect (0, 0, 0, 0)*/];
6541   [self setContinuous: YES];
6542   [self setEnabled: YES];
6543
6544   /* Ensure auto resizing of scrollbars occurs within the emacs frame's view
6545      locked against the top and bottom edges, and right edge on OS X, where
6546      scrollers are on right. */
6547 #ifdef NS_IMPL_GNUSTEP
6548   [self setAutoresizingMask: NSViewMaxXMargin | NSViewHeightSizable];
6549 #else
6550   [self setAutoresizingMask: NSViewMinXMargin | NSViewHeightSizable];
6551 #endif
6552
6553   win = nwin;
6554   condemned = NO;
6555   pixel_height = NSHeight (r);
6556   if (pixel_height == 0) pixel_height = 1;
6557   min_portion = 20 / pixel_height;
6558
6559   frame = XFRAME (XWINDOW (win)->frame);
6560   if (FRAME_LIVE_P (frame))
6561     {
6562       int i;
6563       EmacsView *view = FRAME_NS_VIEW (frame);
6564       NSView *sview = [[view window] contentView];
6565       NSArray *subs = [sview subviews];
6566
6567       /* disable optimization stopping redraw of other scrollbars */
6568       view->scrollbarsNeedingUpdate = 0;
6569       for (i =[subs count]-1; i >= 0; i--)
6570         if ([[subs objectAtIndex: i] isKindOfClass: [EmacsScroller class]])
6571           view->scrollbarsNeedingUpdate++;
6572       [sview addSubview: self];
6573     }
6574
6575 /*  [self setFrame: r]; */
6576
6577   return self;
6578 }
6579
6580
6581 - (void)setFrame: (NSRect)newRect
6582 {
6583   NSTRACE (EmacsScroller_setFrame);
6584 /*  block_input (); */
6585   pixel_height = NSHeight (newRect);
6586   if (pixel_height == 0) pixel_height = 1;
6587   min_portion = 20 / pixel_height;
6588   [super setFrame: newRect];
6589   [self display];
6590 /*  unblock_input (); */
6591 }
6592
6593
6594 - (void)dealloc
6595 {
6596   NSTRACE (EmacsScroller_dealloc);
6597   if (!NILP (win))
6598     wset_vertical_scroll_bar (XWINDOW (win), Qnil);
6599   [super dealloc];
6600 }
6601
6602
6603 - condemn
6604 {
6605   NSTRACE (condemn);
6606   condemned =YES;
6607   return self;
6608 }
6609
6610
6611 - reprieve
6612 {
6613   NSTRACE (reprieve);
6614   condemned =NO;
6615   return self;
6616 }
6617
6618
6619 - judge
6620 {
6621   NSTRACE (judge);
6622   if (condemned)
6623     {
6624       EmacsView *view;
6625       block_input ();
6626       /* ensure other scrollbar updates after deletion */
6627       view = (EmacsView *)FRAME_NS_VIEW (frame);
6628       if (view != nil)
6629         view->scrollbarsNeedingUpdate++;
6630       [self removeFromSuperview];
6631       [self release];
6632       unblock_input ();
6633     }
6634   return self;
6635 }
6636
6637
6638 - (void)resetCursorRects
6639 {
6640   NSRect visible = [self visibleRect];
6641   NSTRACE (resetCursorRects);
6642
6643   if (!NSIsEmptyRect (visible))
6644     [self addCursorRect: visible cursor: [NSCursor arrowCursor]];
6645   [[NSCursor arrowCursor] setOnMouseEntered: YES];
6646 }
6647
6648
6649 - (int) checkSamePosition: (int) position portion: (int) portion
6650                     whole: (int) whole
6651 {
6652   return em_position ==position && em_portion ==portion && em_whole ==whole
6653     && portion != whole; /* needed for resize empty buf */
6654 }
6655
6656
6657 - setPosition: (int)position portion: (int)portion whole: (int)whole
6658 {
6659   NSTRACE (setPosition);
6660
6661   em_position = position;
6662   em_portion = portion;
6663   em_whole = whole;
6664
6665   if (portion >= whole)
6666     {
6667 #if defined (NS_IMPL_COCOA) && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_5
6668       [self setKnobProportion: 1.0];
6669       [self setDoubleValue: 1.0];
6670 #else
6671       [self setFloatValue: 0.0 knobProportion: 1.0];
6672 #endif
6673     }
6674   else
6675     {
6676       float pos, por;
6677       portion = max ((float)whole*min_portion/pixel_height, portion);
6678       pos = (float)position / (whole - portion);
6679       por = (float)portion/whole;
6680 #if defined (NS_IMPL_COCOA) && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_5
6681       [self setKnobProportion: por];
6682       [self setDoubleValue: pos];
6683 #else
6684       [self setFloatValue: pos knobProportion: por];
6685 #endif
6686     }
6687
6688   /* Events may come here even if the event loop is not running.
6689      If we don't enter the event loop, the scroll bar will not update.
6690      So send SIGIO to ourselves.  */
6691   if (apploopnr == 0) kill (0, SIGIO);
6692
6693   return self;
6694 }
6695
6696 /* FIXME: unused at moment (see ns_mouse_position) at the moment because
6697      drag events will go directly to the EmacsScroller.  Leaving in for now. */
6698 -(void)getMouseMotionPart: (int *)part window: (Lisp_Object *)window
6699                         x: (Lisp_Object *)x y: ( Lisp_Object *)y
6700 {
6701   *part = last_hit_part;
6702   *window = win;
6703   XSETINT (*y, pixel_height);
6704   if ([self floatValue] > 0.999)
6705     XSETINT (*x, pixel_height);
6706   else
6707     XSETINT (*x, pixel_height * [self floatValue]);
6708 }
6709
6710
6711 /* set up emacs_event */
6712 - (void) sendScrollEventAtLoc: (float)loc fromEvent: (NSEvent *)e
6713 {
6714   if (!emacs_event)
6715     return;
6716
6717   emacs_event->part = last_hit_part;
6718   emacs_event->code = 0;
6719   emacs_event->modifiers = EV_MODIFIERS (e) | down_modifier;
6720   emacs_event->frame_or_window = win;
6721   emacs_event->timestamp = EV_TIMESTAMP (e);
6722   emacs_event->kind = SCROLL_BAR_CLICK_EVENT;
6723   emacs_event->arg = Qnil;
6724   XSETINT (emacs_event->x, loc * pixel_height);
6725   XSETINT (emacs_event->y, pixel_height-20);
6726
6727   if (q_event_ptr)
6728     {
6729       n_emacs_events_pending++;
6730       kbd_buffer_store_event_hold (emacs_event, q_event_ptr);
6731     }
6732   else
6733     hold_event (emacs_event);
6734   EVENT_INIT (*emacs_event);
6735   ns_send_appdefined (-1);
6736 }
6737
6738
6739 /* called manually thru timer to implement repeated button action w/hold-down */
6740 - repeatScroll: (NSTimer *)scrollEntry
6741 {
6742   NSEvent *e = [[self window] currentEvent];
6743   NSPoint p =  [[self window] mouseLocationOutsideOfEventStream];
6744   BOOL inKnob = [self testPart: p] == NSScrollerKnob;
6745
6746   /* clear timer if need be */
6747   if (inKnob || [scroll_repeat_entry timeInterval] == SCROLL_BAR_FIRST_DELAY)
6748     {
6749         [scroll_repeat_entry invalidate];
6750         [scroll_repeat_entry release];
6751         scroll_repeat_entry = nil;
6752
6753         if (inKnob)
6754           return self;
6755
6756         scroll_repeat_entry
6757           = [[NSTimer scheduledTimerWithTimeInterval:
6758                         SCROLL_BAR_CONTINUOUS_DELAY
6759                                             target: self
6760                                           selector: @selector (repeatScroll:)
6761                                           userInfo: 0
6762                                            repeats: YES]
6763               retain];
6764     }
6765
6766   [self sendScrollEventAtLoc: 0 fromEvent: e];
6767   return self;
6768 }
6769
6770
6771 /* Asynchronous mouse tracking for scroller.  This allows us to dispatch
6772    mouseDragged events without going into a modal loop. */
6773 - (void)mouseDown: (NSEvent *)e
6774 {
6775   NSRect sr, kr;
6776   /* hitPart is only updated AFTER event is passed on */
6777   NSScrollerPart part = [self testPart: [e locationInWindow]];
6778   double inc = 0.0, loc, kloc, pos;
6779   int edge = 0;
6780
6781   NSTRACE (EmacsScroller_mouseDown);
6782
6783   switch (part)
6784     {
6785     case NSScrollerDecrementPage:
6786         last_hit_part = scroll_bar_above_handle; inc = -1.0; break;
6787     case NSScrollerIncrementPage:
6788         last_hit_part = scroll_bar_below_handle; inc = 1.0; break;
6789     case NSScrollerDecrementLine:
6790       last_hit_part = scroll_bar_up_arrow; inc = -0.1; break;
6791     case NSScrollerIncrementLine:
6792       last_hit_part = scroll_bar_down_arrow; inc = 0.1; break;
6793     case NSScrollerKnob:
6794       last_hit_part = scroll_bar_handle; break;
6795     case NSScrollerKnobSlot:  /* GNUstep-only */
6796       last_hit_part = scroll_bar_move_ratio; break;
6797     default:  /* NSScrollerNoPart? */
6798       fprintf (stderr, "EmacsScoller-mouseDown: unexpected part %ld\n",
6799                (long) part);
6800       return;
6801     }
6802
6803   if (inc != 0.0)
6804     {
6805       pos = 0;      /* ignored */
6806
6807       /* set a timer to repeat, as we can't let superclass do this modally */
6808       scroll_repeat_entry
6809         = [[NSTimer scheduledTimerWithTimeInterval: SCROLL_BAR_FIRST_DELAY
6810                                             target: self
6811                                           selector: @selector (repeatScroll:)
6812                                           userInfo: 0
6813                                            repeats: YES]
6814             retain];
6815     }
6816   else
6817     {
6818       /* handle, or on GNUstep possibly slot */
6819       NSEvent *fake_event;
6820
6821       /* compute float loc in slot and mouse offset on knob */
6822       sr = [self convertRect: [self rectForPart: NSScrollerKnobSlot]
6823                       toView: nil];
6824       loc = NSHeight (sr) - ([e locationInWindow].y - NSMinY (sr));
6825       if (loc <= 0.0)
6826         {
6827           loc = 0.0;
6828           edge = -1;
6829         }
6830       else if (loc >= NSHeight (sr))
6831         {
6832           loc = NSHeight (sr);
6833           edge = 1;
6834         }
6835
6836       if (edge)
6837         kloc = 0.5 * edge;
6838       else
6839         {
6840           kr = [self convertRect: [self rectForPart: NSScrollerKnob]
6841                           toView: nil];
6842           kloc = NSHeight (kr) - ([e locationInWindow].y - NSMinY (kr));
6843         }
6844       last_mouse_offset = kloc;
6845
6846       /* if knob, tell emacs a location offset by knob pos
6847          (to indicate top of handle) */
6848       if (part == NSScrollerKnob)
6849           pos = (loc - last_mouse_offset) / NSHeight (sr);
6850       else
6851         /* else this is a slot click on GNUstep: go straight there */
6852         pos = loc / NSHeight (sr);
6853
6854       /* send a fake mouse-up to super to preempt modal -trackKnob: mode */
6855       fake_event = [NSEvent mouseEventWithType: NSLeftMouseUp
6856                                       location: [e locationInWindow]
6857                                  modifierFlags: [e modifierFlags]
6858                                      timestamp: [e timestamp]
6859                                   windowNumber: [e windowNumber]
6860                                        context: [e context]
6861                                    eventNumber: [e eventNumber]
6862                                     clickCount: [e clickCount]
6863                                       pressure: [e pressure]];
6864       [super mouseUp: fake_event];
6865     }
6866
6867   if (part != NSScrollerKnob)
6868     [self sendScrollEventAtLoc: pos fromEvent: e];
6869 }
6870
6871
6872 /* Called as we manually track scroller drags, rather than superclass. */
6873 - (void)mouseDragged: (NSEvent *)e
6874 {
6875     NSRect sr;
6876     double loc, pos;
6877     int edge = 0;
6878
6879     NSTRACE (EmacsScroller_mouseDragged);
6880
6881       sr = [self convertRect: [self rectForPart: NSScrollerKnobSlot]
6882                       toView: nil];
6883       loc = NSHeight (sr) - ([e locationInWindow].y - NSMinY (sr));
6884
6885       if (loc <= 0.0)
6886         {
6887           loc = 0.0;
6888           edge = -1;
6889         }
6890       else if (loc >= NSHeight (sr) + last_mouse_offset)
6891         {
6892           loc = NSHeight (sr) + last_mouse_offset;
6893           edge = 1;
6894         }
6895
6896       pos = /*(edge ? loc :*/ (loc - last_mouse_offset) / NSHeight (sr);
6897       [self sendScrollEventAtLoc: pos fromEvent: e];
6898 }
6899
6900
6901 - (void)mouseUp: (NSEvent *)e
6902 {
6903   if (scroll_repeat_entry)
6904     {
6905       [scroll_repeat_entry invalidate];
6906       [scroll_repeat_entry release];
6907       scroll_repeat_entry = nil;
6908     }
6909   last_hit_part = 0;
6910 }
6911
6912
6913 /* treat scrollwheel events in the bar as though they were in the main window */
6914 - (void) scrollWheel: (NSEvent *)theEvent
6915 {
6916   EmacsView *view = (EmacsView *)FRAME_NS_VIEW (frame);
6917   [view mouseDown: theEvent];
6918 }
6919
6920 @end  /* EmacsScroller */
6921
6922
6923
6924
6925 /* ==========================================================================
6926
6927    Font-related functions; these used to be in nsfaces.m
6928
6929    ========================================================================== */
6930
6931
6932 Lisp_Object
6933 x_new_font (struct frame *f, Lisp_Object font_object, int fontset)
6934 {
6935   struct font *font = XFONT_OBJECT (font_object);
6936
6937   if (fontset < 0)
6938     fontset = fontset_from_font (font_object);
6939   FRAME_FONTSET (f) = fontset;
6940
6941   if (FRAME_FONT (f) == font)
6942     /* This font is already set in frame F.  There's nothing more to
6943        do.  */
6944     return font_object;
6945
6946   FRAME_FONT (f) = font;
6947
6948   FRAME_BASELINE_OFFSET (f) = font->baseline_offset;
6949   FRAME_COLUMN_WIDTH (f) = font->average_width;
6950   FRAME_SPACE_WIDTH (f) = font->space_width;
6951   FRAME_LINE_HEIGHT (f) = font->height;
6952
6953   compute_fringe_widths (f, 1);
6954
6955   /* Compute the scroll bar width in character columns.  */
6956   if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) > 0)
6957     {
6958       int wid = FRAME_COLUMN_WIDTH (f);
6959       FRAME_CONFIG_SCROLL_BAR_COLS (f)
6960         = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) + wid - 1) / wid;
6961     }
6962   else
6963     {
6964       int wid = FRAME_COLUMN_WIDTH (f);
6965       FRAME_CONFIG_SCROLL_BAR_COLS (f) = (14 + wid - 1) / wid;
6966     }
6967
6968   /* Now make the frame display the given font.  */
6969   if (FRAME_NS_WINDOW (f) != 0)
6970         x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f));
6971
6972   return font_object;
6973 }
6974
6975
6976 /* XLFD: -foundry-family-weight-slant-swidth-adstyle-pxlsz-ptSz-resx-resy-spc-avgWidth-rgstry-encoding */
6977 /* Note: ns_font_to_xlfd and ns_fontname_to_xlfd no longer needed, removed
6978          in 1.43. */
6979
6980 const char *
6981 ns_xlfd_to_fontname (const char *xlfd)
6982 /* --------------------------------------------------------------------------
6983     Convert an X font name (XLFD) to an NS font name.
6984     Only family is used.
6985     The string returned is temporarily allocated.
6986    -------------------------------------------------------------------------- */
6987 {
6988   char *name = xmalloc (180);
6989   int i, len;
6990   const char *ret;
6991
6992   if (!strncmp (xlfd, "--", 2))
6993     sscanf (xlfd, "--%*[^-]-%[^-]179-", name);
6994   else
6995     sscanf (xlfd, "-%*[^-]-%[^-]179-", name);
6996
6997   /* stopgap for malformed XLFD input */
6998   if (strlen (name) == 0)
6999     strcpy (name, "Monaco");
7000
7001   /* undo hack in ns_fontname_to_xlfd, converting '$' to '-', '_' to ' '
7002      also uppercase after '-' or ' ' */
7003   name[0] = c_toupper (name[0]);
7004   for (len =strlen (name), i =0; i<len; i++)
7005     {
7006       if (name[i] == '$')
7007         {
7008           name[i] = '-';
7009           if (i+1<len)
7010             name[i+1] = c_toupper (name[i+1]);
7011         }
7012       else if (name[i] == '_')
7013         {
7014           name[i] = ' ';
7015           if (i+1<len)
7016             name[i+1] = c_toupper (name[i+1]);
7017         }
7018     }
7019 /*fprintf (stderr, "converted '%s' to '%s'\n",xlfd,name);  */
7020   ret = [[NSString stringWithUTF8String: name] UTF8String];
7021   xfree (name);
7022   return ret;
7023 }
7024
7025
7026 void
7027 syms_of_nsterm (void)
7028 {
7029   NSTRACE (syms_of_nsterm);
7030
7031   ns_antialias_threshold = 10.0;
7032
7033   /* from 23+ we need to tell emacs what modifiers there are.. */
7034   DEFSYM (Qmodifier_value, "modifier-value");
7035   DEFSYM (Qalt, "alt");
7036   DEFSYM (Qhyper, "hyper");
7037   DEFSYM (Qmeta, "meta");
7038   DEFSYM (Qsuper, "super");
7039   DEFSYM (Qcontrol, "control");
7040   DEFSYM (QUTF8_STRING, "UTF8_STRING");
7041
7042   Fput (Qalt, Qmodifier_value, make_number (alt_modifier));
7043   Fput (Qhyper, Qmodifier_value, make_number (hyper_modifier));
7044   Fput (Qmeta, Qmodifier_value, make_number (meta_modifier));
7045   Fput (Qsuper, Qmodifier_value, make_number (super_modifier));
7046   Fput (Qcontrol, Qmodifier_value, make_number (ctrl_modifier));
7047
7048   DEFVAR_LISP ("ns-input-file", ns_input_file,
7049               "The file specified in the last NS event.");
7050   ns_input_file =Qnil;
7051
7052   DEFVAR_LISP ("ns-input-text", ns_input_text,
7053               "The data received in the last NS text drag event.");
7054   ns_input_text =Qnil;
7055
7056   DEFVAR_LISP ("ns-working-text", ns_working_text,
7057               "String for visualizing working composition sequence.");
7058   ns_working_text =Qnil;
7059
7060   DEFVAR_LISP ("ns-input-font", ns_input_font,
7061               "The font specified in the last NS event.");
7062   ns_input_font =Qnil;
7063
7064   DEFVAR_LISP ("ns-input-fontsize", ns_input_fontsize,
7065               "The fontsize specified in the last NS event.");
7066   ns_input_fontsize =Qnil;
7067
7068   DEFVAR_LISP ("ns-input-line", ns_input_line,
7069                "The line specified in the last NS event.");
7070   ns_input_line =Qnil;
7071
7072   DEFVAR_LISP ("ns-input-color", ns_input_color,
7073                "The color specified in the last NS event.");
7074   ns_input_color =Qnil;
7075
7076   DEFVAR_LISP ("ns-input-spi-name", ns_input_spi_name,
7077                "The service name specified in the last NS event.");
7078   ns_input_spi_name =Qnil;
7079
7080   DEFVAR_LISP ("ns-input-spi-arg", ns_input_spi_arg,
7081                "The service argument specified in the last NS event.");
7082   ns_input_spi_arg =Qnil;
7083
7084   DEFVAR_LISP ("ns-alternate-modifier", ns_alternate_modifier,
7085                "This variable describes the behavior of the alternate or option key.\n\
7086 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
7087 Set to none means that the alternate / option key is not interpreted by Emacs\n\
7088 at all, allowing it to be used at a lower level for accented character entry.");
7089   ns_alternate_modifier = Qmeta;
7090
7091   DEFVAR_LISP ("ns-right-alternate-modifier", ns_right_alternate_modifier,
7092                "This variable describes the behavior of the right alternate or option key.\n\
7093 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
7094 Set to left means be the same key as `ns-alternate-modifier'.\n\
7095 Set to none means that the alternate / option key is not interpreted by Emacs\n\
7096 at all, allowing it to be used at a lower level for accented character entry.");
7097   ns_right_alternate_modifier = Qleft;
7098
7099   DEFVAR_LISP ("ns-command-modifier", ns_command_modifier,
7100                "This variable describes the behavior of the command key.\n\
7101 Set to control, meta, alt, super, or hyper means it is taken to be that key.");
7102   ns_command_modifier = Qsuper;
7103
7104   DEFVAR_LISP ("ns-right-command-modifier", ns_right_command_modifier,
7105                "This variable describes the behavior of the right command key.\n\
7106 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
7107 Set to left means be the same key as `ns-command-modifier'.\n\
7108 Set to none means that the command / option key is not interpreted by Emacs\n\
7109 at all, allowing it to be used at a lower level for accented character entry.");
7110   ns_right_command_modifier = Qleft;
7111
7112   DEFVAR_LISP ("ns-control-modifier", ns_control_modifier,
7113                "This variable describes the behavior of the control key.\n\
7114 Set to control, meta, alt, super, or hyper means it is taken to be that key.");
7115   ns_control_modifier = Qcontrol;
7116
7117   DEFVAR_LISP ("ns-right-control-modifier", ns_right_control_modifier,
7118                "This variable describes the behavior of the right control key.\n\
7119 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
7120 Set to left means be the same key as `ns-control-modifier'.\n\
7121 Set to none means that the control / option key is not interpreted by Emacs\n\
7122 at all, allowing it to be used at a lower level for accented character entry.");
7123   ns_right_control_modifier = Qleft;
7124
7125   DEFVAR_LISP ("ns-function-modifier", ns_function_modifier,
7126                "This variable describes the behavior of the function key (on laptops).\n\
7127 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
7128 Set to none means that the function key is not interpreted by Emacs at all,\n\
7129 allowing it to be used at a lower level for accented character entry.");
7130   ns_function_modifier = Qnone;
7131
7132   DEFVAR_LISP ("ns-antialias-text", ns_antialias_text,
7133                "Non-nil (the default) means to render text antialiased.");
7134   ns_antialias_text = Qt;
7135
7136   DEFVAR_LISP ("ns-confirm-quit", ns_confirm_quit,
7137                "Whether to confirm application quit using dialog.");
7138   ns_confirm_quit = Qnil;
7139
7140   staticpro (&ns_display_name_list);
7141   ns_display_name_list = Qnil;
7142
7143   staticpro (&last_mouse_motion_frame);
7144   last_mouse_motion_frame = Qnil;
7145
7146   DEFVAR_LISP ("ns-auto-hide-menu-bar", ns_auto_hide_menu_bar,
7147                doc: /* Non-nil means that the menu bar is hidden, but appears when the mouse is near.
7148 Only works on OSX 10.6 or later.  */);
7149   ns_auto_hide_menu_bar = Qnil;
7150
7151   /* TODO: move to common code */
7152   DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars,
7153                doc: /* Which toolkit scroll bars Emacs uses, if any.
7154 A value of nil means Emacs doesn't use toolkit scroll bars.
7155 With the X Window system, the value is a symbol describing the
7156 X toolkit.  Possible values are: gtk, motif, xaw, or xaw3d.
7157 With MS Windows or Nextstep, the value is t.  */);
7158   Vx_toolkit_scroll_bars = Qt;
7159
7160   DEFVAR_BOOL ("x-use-underline-position-properties",
7161                x_use_underline_position_properties,
7162      doc: /*Non-nil means make use of UNDERLINE_POSITION font properties.
7163 A value of nil means ignore them.  If you encounter fonts with bogus
7164 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
7165 to 4.1, set this to nil. */);
7166   x_use_underline_position_properties = 0;
7167
7168   DEFVAR_BOOL ("x-underline-at-descent-line",
7169                x_underline_at_descent_line,
7170      doc: /* Non-nil means to draw the underline at the same place as the descent line.
7171 A value of nil means to draw the underline according to the value of the
7172 variable `x-use-underline-position-properties', which is usually at the
7173 baseline level.  The default value is nil.  */);
7174   x_underline_at_descent_line = 0;
7175
7176   /* Tell emacs about this window system. */
7177   Fprovide (intern ("ns"), Qnil);
7178 }