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1 /* NeXT/Open/GNUstep / MacOSX communication module.
2 Copyright (C) 1989, 1993, 1994, 2005, 2006, 2008, 2009
3 Free Software Foundation, Inc.
4
5 This file is part of GNU Emacs.
6
7 GNU Emacs is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
11
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
19
20 /*
21 Originally by Carl Edman
22 Updated by Christian Limpach (chris@nice.ch)
23 OpenStep/Rhapsody port by Scott Bender (sbender@harmony-ds.com)
24 MacOSX/Aqua port by Christophe de Dinechin (descubes@earthlink.net)
25 GNUstep port and post-20 update by Adrian Robert (arobert@cogsci.ucsd.edu)
26 */
27
28 /* This should be the first include, as it may set up #defines affecting
29 interpretation of even the system includes. */
30 #include "config.h"
31
32 #include <math.h>
33 #include <sys/types.h>
34 #include <time.h>
35 #include <signal.h>
36 #include <unistd.h>
37
38 #include "lisp.h"
39 #include "blockinput.h"
40 #include "sysselect.h"
41 #include "nsterm.h"
42 #include "systime.h"
43 #include "character.h"
44 #include "fontset.h"
45 #include "composite.h"
46 #include "ccl.h"
47
48 #include "termhooks.h"
49 #include "termopts.h"
50 #include "termchar.h"
51
52 #include "window.h"
53 #include "keyboard.h"
54
55 #include "font.h"
56
57 /* call tracing */
58 #if 0
59 int term_trace_num = 0;
60 #define NSTRACE(x) fprintf (stderr, "%s:%d: [%d] " #x "\n", \
61 __FILE__, __LINE__, ++term_trace_num)
62 #else
63 #define NSTRACE(x)
64 #endif
65
66
67 /* ==========================================================================
68
69 Local declarations
70
71 ========================================================================== */
72
73 /* Convert a symbol indexed with an NSxxx value to a value as defined
74 in keyboard.c (lispy_function_key). I hope this is a correct way
75 of doing things... */
76 static unsigned convert_ns_to_X_keysym[] =
77 {
78 NSHomeFunctionKey, 0x50,
79 NSLeftArrowFunctionKey, 0x51,
80 NSUpArrowFunctionKey, 0x52,
81 NSRightArrowFunctionKey, 0x53,
82 NSDownArrowFunctionKey, 0x54,
83 NSPageUpFunctionKey, 0x55,
84 NSPageDownFunctionKey, 0x56,
85 NSEndFunctionKey, 0x57,
86 NSBeginFunctionKey, 0x58,
87 NSSelectFunctionKey, 0x60,
88 NSPrintFunctionKey, 0x61,
89 NSExecuteFunctionKey, 0x62,
90 NSInsertFunctionKey, 0x63,
91 NSUndoFunctionKey, 0x65,
92 NSRedoFunctionKey, 0x66,
93 NSMenuFunctionKey, 0x67,
94 NSFindFunctionKey, 0x68,
95 NSHelpFunctionKey, 0x6A,
96 NSBreakFunctionKey, 0x6B,
97
98 NSF1FunctionKey, 0xBE,
99 NSF2FunctionKey, 0xBF,
100 NSF3FunctionKey, 0xC0,
101 NSF4FunctionKey, 0xC1,
102 NSF5FunctionKey, 0xC2,
103 NSF6FunctionKey, 0xC3,
104 NSF7FunctionKey, 0xC4,
105 NSF8FunctionKey, 0xC5,
106 NSF9FunctionKey, 0xC6,
107 NSF10FunctionKey, 0xC7,
108 NSF11FunctionKey, 0xC8,
109 NSF12FunctionKey, 0xC9,
110 NSF13FunctionKey, 0xCA,
111 NSF14FunctionKey, 0xCB,
112 NSF15FunctionKey, 0xCC,
113 NSF16FunctionKey, 0xCD,
114 NSF17FunctionKey, 0xCE,
115 NSF18FunctionKey, 0xCF,
116 NSF19FunctionKey, 0xD0,
117 NSF20FunctionKey, 0xD1,
118 NSF21FunctionKey, 0xD2,
119 NSF22FunctionKey, 0xD3,
120 NSF23FunctionKey, 0xD4,
121 NSF24FunctionKey, 0xD5,
122
123 NSBackspaceCharacter, 0x08, /* 8: Not on some KBs. */
124 NSDeleteCharacter, 0xFF, /* 127: Big 'delete' key upper right. */
125 NSDeleteFunctionKey, 0x9F, /* 63272: Del forw key off main array. */
126
127 NSTabCharacter, 0x09,
128 0x19, 0x09, /* left tab->regular since pass shift */
129 NSCarriageReturnCharacter, 0x0D,
130 NSNewlineCharacter, 0x0D,
131 NSEnterCharacter, 0x8D,
132
133 0x1B, 0x1B /* escape */
134 };
135
136
137 /* Lisp communications */
138 Lisp_Object ns_input_file, ns_input_font, ns_input_fontsize, ns_input_line;
139 Lisp_Object ns_input_color, ns_input_text, ns_working_text;
140 Lisp_Object ns_input_spi_name, ns_input_spi_arg;
141 Lisp_Object Vx_toolkit_scroll_bars;
142 static Lisp_Object Qmodifier_value;
143 /* TODO: unsure why these defined in term files, anyway we need in keymap.c */
144 Lisp_Object Qalt, Qcontrol, Qhyper, Qmeta, Qsuper;
145 extern Lisp_Object Qcursor_color, Qcursor_type, Qns;
146
147
148 /* Some preferences equivalent to those set by X resources under X are
149 managed through the OpenStep defaults system. We depart from X
150 behavior and refuse to read defaults when started under these
151 options. */
152
153 /* Set in emacs.c. */
154 char ns_no_defaults;
155
156 /* Specifies which emacs modifier should be generated when NS receives
157 the Alternate modifer. May be Qnone or any of the modifier lisp symbols. */
158 Lisp_Object ns_alternate_modifier;
159
160 /* Specifies which emacs modifier should be generated when NS receives
161 the Command modifer. May be any of the modifier lisp symbols. */
162 Lisp_Object ns_command_modifier;
163
164 /* Specifies which emacs modifier should be generated when NS receives
165 the Control modifer. May be any of the modifier lisp symbols. */
166 Lisp_Object ns_control_modifier;
167
168 /* Specifies which emacs modifier should be generated when NS receives
169 the Function modifer (laptops). May be any of the modifier lisp symbols. */
170 Lisp_Object ns_function_modifier;
171
172 /* Control via default 'GSFontAntiAlias' on OS X and GNUstep. */
173 Lisp_Object ns_antialias_text;
174
175 /* On OS X picks up the default NSGlobalDomain AppleAntiAliasingThreshold,
176 the maximum font size to NOT antialias. On GNUstep there is currently
177 no way to control this behavior. */
178 float ns_antialias_threshold;
179
180 /* Controls use of an undocumented CG function to do Quickdraw-style font
181 smoothing (less heavy) instead of regular Quartz smoothing. */
182 Lisp_Object ns_use_qd_smoothing;
183
184 /* Used to pick up AppleHighlightColor on OS X */
185 Lisp_Object ns_use_system_highlight_color;
186 NSString *ns_selection_color;
187
188 /* Confirm on exit. */
189 Lisp_Object ns_confirm_quit;
190
191 NSArray *ns_send_types =0, *ns_return_types =0, *ns_drag_types =0;
192
193 /* Display variables */
194 struct ns_display_info *x_display_list; /* Chain of existing displays */
195 Lisp_Object ns_display_name_list;
196 long context_menu_value = 0;
197
198 /* display update */
199 NSPoint last_mouse_motion_position;
200 static NSRect last_mouse_glyph;
201 static unsigned long last_mouse_movement_time = 0;
202 static Lisp_Object last_mouse_motion_frame;
203 static EmacsScroller *last_mouse_scroll_bar = nil;
204 static struct frame *ns_updating_frame;
205 static NSView *focus_view = NULL;
206 static int ns_window_num =0;
207 static NSRect uRect;
208 static BOOL gsaved = NO;
209 BOOL ns_in_resize = NO;
210 static BOOL ns_fake_keydown = NO;
211 int ns_tmp_flags; /* FIXME */
212 struct nsfont_info *ns_tmp_font; /* FIXME */
213 /*static int debug_lock = 0; */
214
215 #ifdef NS_IMPL_COCOA
216 /* This undocumented Quartz function controls how fonts are anti-aliased.
217 (Found from code in Mac wxWindows impl, discovered by running `nm' on
218 the "QD" framework.)
219 Mode 0 is normal anti-aliasing, mode 1 is no anti-aliasing, and mode 2 is
220 4-bit pixel-aligned anti-aliasing (the old QuickDraw standard). */
221 extern void CGContextSetFontRenderingMode (CGContextRef cg, int v);
222 #endif
223
224
225 /* event loop */
226 static BOOL send_appdefined = YES;
227 static NSEvent *last_appdefined_event = 0;
228 static NSTimer *timed_entry = 0;
229 static NSTimer *fd_entry = nil;
230 static NSTimer *scroll_repeat_entry = nil;
231 static fd_set select_readfds, t_readfds;
232 static struct timeval select_timeout;
233 static int select_nfds;
234 static NSAutoreleasePool *outerpool;
235 static struct input_event *emacs_event = NULL;
236 static struct input_event *q_event_ptr = NULL;
237 static int n_emacs_events_pending = 0;
238 static NSMutableArray *ns_pending_files, *ns_pending_service_names,
239 *ns_pending_service_args;
240 static BOOL inNsSelect = 0;
241
242 /* Convert modifiers in a NeXTSTEP event to emacs style modifiers. */
243 #define NS_FUNCTION_KEY_MASK 0x800000
244 #define EV_MODIFIERS(e) \
245 ((([e modifierFlags] & NSHelpKeyMask) ? \
246 hyper_modifier : 0) \
247 | (([e modifierFlags] & NSAlternateKeyMask) ? \
248 parse_solitary_modifier (ns_alternate_modifier) : 0) \
249 | (([e modifierFlags] & NSShiftKeyMask) ? \
250 shift_modifier : 0) \
251 | (([e modifierFlags] & NSControlKeyMask) ? \
252 parse_solitary_modifier (ns_control_modifier) : 0) \
253 | (([e modifierFlags] & NS_FUNCTION_KEY_MASK) ? \
254 parse_solitary_modifier (ns_function_modifier) : 0) \
255 | (([e modifierFlags] & NSCommandKeyMask) ? \
256 parse_solitary_modifier (ns_command_modifier):0))
257
258 #define EV_UDMODIFIERS(e) \
259 ((([e type] == NSLeftMouseDown) ? down_modifier : 0) \
260 | (([e type] == NSRightMouseDown) ? down_modifier : 0) \
261 | (([e type] == NSOtherMouseDown) ? down_modifier : 0) \
262 | (([e type] == NSLeftMouseDragged) ? down_modifier : 0) \
263 | (([e type] == NSRightMouseDragged) ? down_modifier : 0) \
264 | (([e type] == NSOtherMouseDragged) ? down_modifier : 0) \
265 | (([e type] == NSLeftMouseUp) ? up_modifier : 0) \
266 | (([e type] == NSRightMouseUp) ? up_modifier : 0) \
267 | (([e type] == NSOtherMouseUp) ? up_modifier : 0))
268
269 #define EV_BUTTON(e) \
270 ((([e type] == NSLeftMouseDown) || ([e type] == NSLeftMouseUp)) ? 0 : \
271 (([e type] == NSRightMouseDown) || ([e type] == NSRightMouseUp)) ? 2 : \
272 [e buttonNumber] - 1)
273
274 /* Convert the time field to a timestamp in milliseconds. */
275 #ifdef NS_IMPL_GNUSTEP
276 /* Apple says timestamp is in seconds, but GNUstep seems to be returning msec */
277 #define EV_TIMESTAMP(e) ([e timestamp])
278 #else
279 #define EV_TIMESTAMP(e) ([e timestamp] * 1000)
280 #endif /* not gnustep */
281
282 /* This is a piece of code which is common to all the event handling
283 methods. Maybe it should even be a function. */
284 #define EV_TRAILER(e) \
285 { \
286 XSETFRAME (emacs_event->frame_or_window, emacsframe); \
287 if (e) emacs_event->timestamp = EV_TIMESTAMP (e); \
288 n_emacs_events_pending++; \
289 kbd_buffer_store_event_hold (emacs_event, q_event_ptr); \
290 EVENT_INIT (*emacs_event); \
291 ns_send_appdefined (-1); \
292 }
293
294 void x_set_cursor_type (struct frame *, Lisp_Object, Lisp_Object);
295
296 /* TODO: get rid of need for these forward declarations */
297 static void ns_condemn_scroll_bars (struct frame *f);
298 static void ns_judge_scroll_bars (struct frame *f);
299 void x_set_frame_alpha (struct frame *f);
300
301 /* unused variables needed for compatibility reasons */
302 int x_use_underline_position_properties, x_underline_at_descent_line;
303 /* FIXME: figure out what to do with underline_minimum_offset. */
304
305
306 /* ==========================================================================
307
308 Utilities
309
310 ========================================================================== */
311
312
313 static Lisp_Object
314 append2 (Lisp_Object list, Lisp_Object item)
315 /* --------------------------------------------------------------------------
316 Utility to append to a list
317 -------------------------------------------------------------------------- */
318 {
319 Lisp_Object array[2];
320 array[0] = list;
321 array[1] = Fcons (item, Qnil);
322 return Fnconc (2, &array[0]);
323 }
324
325
326 void
327 ns_init_paths ()
328 /* --------------------------------------------------------------------------
329 Used to allow emacs to find its resources under Emacs.app
330 Called from emacs.c at startup.
331 -------------------------------------------------------------------------- */
332 {
333 NSBundle *bundle = [NSBundle mainBundle];
334 NSString *binDir = [bundle bundlePath], *resourceDir = [bundle resourcePath];
335 NSString *resourcePath, *resourcePaths;
336 NSRange range;
337 BOOL onWindows = NO; /* how do I determine this? */
338 NSString *pathSeparator = onWindows ? @";" : @":";
339 NSFileManager *fileManager = [NSFileManager defaultManager];
340 BOOL isDir;
341 /*NSLog (@"ns_init_paths: '%@'\n%@\n", [[NSBundle mainBundle] bundlePath], [[NSBundle mainBundle] resourcePath]); */
342
343 /* get bindir from base */
344 range = [resourceDir rangeOfString: @"Contents"];
345 if (range.location != NSNotFound)
346 {
347 binDir = [binDir stringByAppendingPathComponent: @"Contents"];
348 #ifdef NS_IMPL_COCOA
349 binDir = [binDir stringByAppendingPathComponent: @"MacOS"];
350 #endif
351 }
352
353 /* the following based on Andrew Choi's init_mac_osx_environment () */
354 if (!getenv ("EMACSLOADPATH"))
355 {
356 NSArray *paths = [resourceDir stringsByAppendingPaths:
357 [NSArray arrayWithObjects:
358 @"site-lisp", @"lisp", @"leim", nil]];
359 NSEnumerator *pathEnum = [paths objectEnumerator];
360 resourcePaths = @"";
361 while (resourcePath = [pathEnum nextObject])
362 {
363 if ([fileManager fileExistsAtPath: resourcePath isDirectory: &isDir])
364 if (isDir)
365 {
366 if ([resourcePaths length] > 0)
367 resourcePaths
368 = [resourcePaths stringByAppendingString: pathSeparator];
369 resourcePaths
370 = [resourcePaths stringByAppendingString: resourcePath];
371 }
372 }
373 if ([resourcePaths length] > 0)
374 setenv ("EMACSLOADPATH", [resourcePaths UTF8String], 1);
375 /*NSLog (@"loadPath: '%s'\n", resourcePaths); */
376 }
377
378 if (!getenv ("EMACSPATH"))
379 {
380 NSArray *paths = [binDir stringsByAppendingPaths:
381 [NSArray arrayWithObjects: @"bin",
382 @"lib-exec", nil]];
383 NSEnumerator *pathEnum = [paths objectEnumerator];
384 resourcePaths = @"";
385 while (resourcePath = [pathEnum nextObject])
386 {
387 if ([fileManager fileExistsAtPath: resourcePath isDirectory: &isDir])
388 if (isDir)
389 {
390 if ([resourcePaths length] > 0)
391 resourcePaths
392 = [resourcePaths stringByAppendingString: pathSeparator];
393 resourcePaths
394 = [resourcePaths stringByAppendingString: resourcePath];
395 }
396 }
397 if ([resourcePaths length] > 0)
398 setenv ("EMACSPATH", [resourcePaths UTF8String], 1);
399 }
400
401 resourcePath = [resourceDir stringByAppendingPathComponent: @"etc"];
402 if ([fileManager fileExistsAtPath: resourcePath isDirectory: &isDir])
403 {
404 if (isDir)
405 {
406 if (!getenv ("EMACSDATA"))
407 setenv ("EMACSDATA", [resourcePath UTF8String], 1);
408 if (!getenv ("EMACSDOC"))
409 setenv ("EMACSDOC", [resourcePath UTF8String], 1);
410 }
411 }
412
413 if (!getenv ("INFOPATH"))
414 {
415 resourcePath = [resourceDir stringByAppendingPathComponent: @"info"];
416 if ([fileManager fileExistsAtPath: resourcePath isDirectory: &isDir])
417 if (isDir)
418 setenv ("INFOPATH", [resourcePath UTF8String], 1);
419 }
420 }
421
422
423 static int
424 timeval_subtract (struct timeval *result, struct timeval x, struct timeval y)
425 /* --------------------------------------------------------------------------
426 Subtract the `struct timeval' values X and Y, storing the result in RESULT.
427 Return 1 if the difference is negative, otherwise 0.
428 -------------------------------------------------------------------------- */
429 {
430 /* Perform the carry for the later subtraction by updating y.
431 This is safer because on some systems
432 the tv_sec member is unsigned. */
433 if (x.tv_usec < y.tv_usec)
434 {
435 int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1;
436 y.tv_usec -= 1000000 * nsec;
437 y.tv_sec += nsec;
438 }
439 if (x.tv_usec - y.tv_usec > 1000000)
440 {
441 int nsec = (y.tv_usec - x.tv_usec) / 1000000;
442 y.tv_usec += 1000000 * nsec;
443 y.tv_sec -= nsec;
444 }
445
446 /* Compute the time remaining to wait. tv_usec is certainly positive. */
447 result->tv_sec = x.tv_sec - y.tv_sec;
448 result->tv_usec = x.tv_usec - y.tv_usec;
449
450 /* Return indication of whether the result should be considered negative. */
451 return x.tv_sec < y.tv_sec;
452 }
453
454 static void
455 ns_timeout (int usecs)
456 /* --------------------------------------------------------------------------
457 Blocking timer utility used by ns_ring_bell
458 -------------------------------------------------------------------------- */
459 {
460 struct timeval wakeup;
461
462 EMACS_GET_TIME (wakeup);
463
464 /* Compute time to wait until, propagating carry from usecs. */
465 wakeup.tv_usec += usecs;
466 wakeup.tv_sec += (wakeup.tv_usec / 1000000);
467 wakeup.tv_usec %= 1000000;
468
469 /* Keep waiting until past the time wakeup. */
470 while (1)
471 {
472 struct timeval timeout;
473
474 EMACS_GET_TIME (timeout);
475
476 /* In effect, timeout = wakeup - timeout.
477 Break if result would be negative. */
478 if (timeval_subtract (&timeout, wakeup, timeout))
479 break;
480
481 /* Try to wait that long--but we might wake up sooner. */
482 select (0, NULL, NULL, NULL, &timeout);
483 }
484 }
485
486
487 void
488 ns_release_object (void *obj)
489 /* --------------------------------------------------------------------------
490 Release an object (callable from C)
491 -------------------------------------------------------------------------- */
492 {
493 [(id)obj release];
494 }
495
496
497 void
498 ns_retain_object (void *obj)
499 /* --------------------------------------------------------------------------
500 Retain an object (callable from C)
501 -------------------------------------------------------------------------- */
502 {
503 [(id)obj retain];
504 }
505
506
507 void *
508 ns_alloc_autorelease_pool ()
509 /* --------------------------------------------------------------------------
510 Allocate a pool for temporary objects (callable from C)
511 -------------------------------------------------------------------------- */
512 {
513 return [[NSAutoreleasePool alloc] init];
514 }
515
516
517 void
518 ns_release_autorelease_pool (void *pool)
519 /* --------------------------------------------------------------------------
520 Free a pool and temporary objects it refers to (callable from C)
521 -------------------------------------------------------------------------- */
522 {
523 ns_release_object (pool);
524 }
525
526
527
528 /* ==========================================================================
529
530 Focus (clipping) and screen update
531
532 ========================================================================== */
533
534 static NSRect
535 ns_resize_handle_rect (NSWindow *window)
536 {
537 NSRect r = [window frame];
538 r.origin.x = r.size.width - RESIZE_HANDLE_SIZE;
539 r.origin.y = 0;
540 r.size.width = r.size.height = RESIZE_HANDLE_SIZE;
541 return r;
542 }
543
544
545 static void
546 ns_update_begin (struct frame *f)
547 /* --------------------------------------------------------------------------
548 Prepare for a grouped sequence of drawing calls
549 external (RIF) call; whole frame, called before update_window_begin
550 -------------------------------------------------------------------------- */
551 {
552 NSView *view = FRAME_NS_VIEW (f);
553 NSTRACE (ns_update_begin);
554
555 ns_updating_frame = f;
556 [view lockFocus];
557
558 #ifdef NS_IMPL_GNUSTEP
559 uRect = NSMakeRect (0, 0, 0, 0);
560 #endif
561 }
562
563
564 static void
565 ns_update_window_begin (struct window *w)
566 /* --------------------------------------------------------------------------
567 Prepare for a grouped sequence of drawing calls
568 external (RIF) call; for one window, called after update_begin
569 -------------------------------------------------------------------------- */
570 {
571 struct frame *f = XFRAME (WINDOW_FRAME (w));
572 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (f);
573 NSTRACE (ns_update_window_begin);
574
575 updated_window = w;
576 set_output_cursor (&w->cursor);
577
578 BLOCK_INPUT;
579
580 if (f == dpyinfo->mouse_face_mouse_frame)
581 {
582 /* Don't do highlighting for mouse motion during the update. */
583 dpyinfo->mouse_face_defer = 1;
584
585 /* If the frame needs to be redrawn,
586 simply forget about any prior mouse highlighting. */
587 if (FRAME_GARBAGED_P (f))
588 dpyinfo->mouse_face_window = Qnil;
589
590 /* (further code for mouse faces ifdef'd out in other terms elided) */
591 }
592
593 UNBLOCK_INPUT;
594 }
595
596
597 static void
598 ns_update_window_end (struct window *w, int cursor_on_p,
599 int mouse_face_overwritten_p)
600 /* --------------------------------------------------------------------------
601 Finished a grouped sequence of drawing calls
602 external (RIF) call; for one window called before update_end
603 -------------------------------------------------------------------------- */
604 {
605 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (XFRAME (w->frame));
606
607 /* note: this fn is nearly identical in all terms */
608 if (!w->pseudo_window_p)
609 {
610 BLOCK_INPUT;
611
612 if (cursor_on_p)
613 display_and_set_cursor (w, 1,
614 output_cursor.hpos, output_cursor.vpos,
615 output_cursor.x, output_cursor.y);
616
617 if (draw_window_fringes (w, 1))
618 x_draw_vertical_border (w);
619
620 UNBLOCK_INPUT;
621 }
622
623 /* If a row with mouse-face was overwritten, arrange for
624 frame_up_to_date to redisplay the mouse highlight. */
625 if (mouse_face_overwritten_p)
626 {
627 dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1;
628 dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1;
629 dpyinfo->mouse_face_window = Qnil;
630 }
631
632 updated_window = NULL;
633 NSTRACE (update_window_end);
634 }
635
636
637 static void
638 ns_update_end (struct frame *f)
639 /* --------------------------------------------------------------------------
640 Finished a grouped sequence of drawing calls
641 external (RIF) call; for whole frame, called after update_window_end
642 -------------------------------------------------------------------------- */
643 {
644 NSView *view = FRAME_NS_VIEW (f);
645
646 /* if (f == FRAME_NS_DISPLAY_INFO (f)->mouse_face_mouse_frame) */
647 FRAME_NS_DISPLAY_INFO (f)->mouse_face_defer = 0;
648
649 BLOCK_INPUT;
650
651 #ifdef NS_IMPL_GNUSTEP
652 /* trigger flush only in the rectangle we tracked as being drawn */
653 [view unlockFocusNeedsFlush: NO];
654 /*fprintf (stderr, " (%.0f, %.0f : %.0f x %.0f)", uRect.origin.x, uRect.origin.y, uRect.size.width, uRect.size.height); */
655 [view lockFocusInRect: uRect];
656 #endif
657
658 [view unlockFocus];
659 [[view window] flushWindow];
660
661 UNBLOCK_INPUT;
662 ns_updating_frame = NULL;
663 NSTRACE (ns_update_end);
664 }
665
666
667 static void
668 ns_flush (struct frame *f)
669 /* --------------------------------------------------------------------------
670 external (RIF) call
671 NS impl is no-op since currently we flush in ns_update_end and elsewhere
672 -------------------------------------------------------------------------- */
673 {
674 NSTRACE (ns_flush);
675 }
676
677
678 static void
679 ns_focus (struct frame *f, NSRect *r, int n)
680 /* --------------------------------------------------------------------------
681 Internal: Focus on given frame. During small local updates this is used to
682 draw, however during large updates, ns_update_begin and ns_update_end are
683 called to wrap the whole thing, in which case these calls are stubbed out.
684 Except, on GNUstep, we accumulate the rectangle being drawn into, because
685 the back end won't do this automatically, and will just end up flushing
686 the entire window.
687 -------------------------------------------------------------------------- */
688 {
689 // NSTRACE (ns_focus);
690 #ifdef NS_IMPL_GNUSTEP
691 NSRect u;
692 if (n == 2)
693 u = NSUnionRect (r[0], r[1]);
694 else if (r)
695 u = *r;
696 #endif
697 /* static int c =0;
698 fprintf (stderr, "focus: %d", c++);
699 if (r) fprintf (stderr, " (%.0f, %.0f : %.0f x %.0f)", r->origin.x, r->origin.y, r->size.width, r->size.height);
700 fprintf (stderr, "\n"); */
701
702 if (f != ns_updating_frame)
703 {
704 NSView *view = FRAME_NS_VIEW (f);
705 if (view != focus_view)
706 {
707 if (focus_view != NULL)
708 {
709 [focus_view unlockFocus];
710 [[focus_view window] flushWindow];
711 /*debug_lock--; */
712 }
713
714 if (view)
715 #ifdef NS_IMPL_GNUSTEP
716 r ? [view lockFocusInRect: u] : [view lockFocus];
717 #else
718 [view lockFocus];
719 #endif
720 focus_view = view;
721 /*if (view) debug_lock++; */
722 }
723 #ifdef NS_IMPL_GNUSTEP
724 else
725 {
726 /* more than one rect being drawn into */
727 if (view && r)
728 {
729 [view unlockFocus]; /* add prev rect to redraw list */
730 [view lockFocusInRect: u]; /* focus for draw in new rect */
731 }
732 }
733 #endif
734 }
735 #ifdef NS_IMPL_GNUSTEP
736 else
737 {
738 /* in batch mode, but in GNUstep must still track rectangles explicitly */
739 uRect = (r ? NSUnionRect (uRect, u) : [FRAME_NS_VIEW (f) visibleRect]);
740 }
741 #endif
742
743 /* clipping */
744 if (r)
745 {
746 [[NSGraphicsContext currentContext] saveGraphicsState];
747 if (n == 2)
748 NSRectClipList (r, 2);
749 else
750 NSRectClip (*r);
751 gsaved = YES;
752 }
753 }
754
755
756 static void
757 ns_unfocus (struct frame *f)
758 /* --------------------------------------------------------------------------
759 Internal: Remove focus on given frame
760 -------------------------------------------------------------------------- */
761 {
762 // NSTRACE (ns_unfocus);
763
764 if (gsaved)
765 {
766 [[NSGraphicsContext currentContext] restoreGraphicsState];
767 gsaved = NO;
768 }
769
770 if (f != ns_updating_frame)
771 {
772 if (focus_view != NULL)
773 {
774 [focus_view unlockFocus];
775 [[focus_view window] flushWindow];
776 focus_view = NULL;
777 /*debug_lock--; */
778 }
779 }
780 }
781
782
783 static void
784 ns_clip_to_row (struct window *w, struct glyph_row *row, int area, BOOL gc)
785 /* --------------------------------------------------------------------------
786 Internal (but parallels other terms): Focus drawing on given row
787 -------------------------------------------------------------------------- */
788 {
789 struct frame *f = XFRAME (WINDOW_FRAME (w));
790 NSRect clip_rect;
791 int window_x, window_y, window_width;
792
793 window_box (w, area, &window_x, &window_y, &window_width, 0);
794
795 clip_rect.origin.x = window_x - FRAME_INTERNAL_BORDER_WIDTH (f);
796 clip_rect.origin.y = WINDOW_TO_FRAME_PIXEL_Y (w, max (0, row->y));
797 clip_rect.origin.y = max (clip_rect.origin.y, window_y);
798 clip_rect.size.width = window_width + 2 * FRAME_INTERNAL_BORDER_WIDTH (f);
799 clip_rect.size.height = row->visible_height;
800
801 /* allow a full-height row at the top when requested
802 (used to draw fringe all the way through internal border area) */
803 if (gc && clip_rect.origin.y < 5)
804 {
805 clip_rect.origin.y -= FRAME_INTERNAL_BORDER_WIDTH (f);
806 clip_rect.size.height += FRAME_INTERNAL_BORDER_WIDTH (f);
807 }
808
809 /* likewise at bottom */
810 if (gc &&
811 FRAME_PIXEL_HEIGHT (f) - (clip_rect.origin.y + clip_rect.size.height) < 5)
812 clip_rect.size.height += FRAME_INTERNAL_BORDER_WIDTH (f);
813
814 ns_focus (f, &clip_rect, 1);
815 }
816
817
818 static void
819 ns_ring_bell ()
820 /* --------------------------------------------------------------------------
821 "Beep" routine
822 -------------------------------------------------------------------------- */
823 {
824 NSTRACE (ns_ring_bell);
825 if (visible_bell)
826 {
827 NSAutoreleasePool *pool;
828 struct frame *frame = SELECTED_FRAME ();
829 NSView *view;
830
831 BLOCK_INPUT;
832 pool = [[NSAutoreleasePool alloc] init];
833
834 view = FRAME_NS_VIEW (frame);
835 if (view != nil)
836 {
837 NSRect r, surr;
838 NSPoint dim = NSMakePoint (128, 128);
839
840 r = [view bounds];
841 r.origin.x += (r.size.width - dim.x) / 2;
842 r.origin.y += (r.size.height - dim.y) / 2;
843 r.size.width = dim.x;
844 r.size.height = dim.y;
845 surr = NSInsetRect (r, -2, -2);
846 ns_focus (frame, &surr, 1);
847 [[view window] cacheImageInRect: [view convertRect: surr toView:nil]];
848 [ns_lookup_indexed_color (NS_FACE_FOREGROUND
849 (FRAME_DEFAULT_FACE (frame)), frame) set];
850 NSRectFill (r);
851 [[view window] flushWindow];
852 ns_timeout (150000);
853 [[view window] restoreCachedImage];
854 [[view window] flushWindow];
855 ns_unfocus (frame);
856 }
857 [pool release];
858 UNBLOCK_INPUT;
859 }
860 else
861 {
862 NSBeep ();
863 }
864 }
865
866
867 static void
868 ns_reset_terminal_modes (struct terminal *terminal)
869 /* Externally called as hook */
870 {
871 NSTRACE (ns_reset_terminal_modes);
872 }
873
874 static void
875 ns_set_terminal_modes (struct terminal *terminal)
876 /* Externally called as hook */
877 {
878 NSTRACE (ns_set_terminal_modes);
879 }
880
881
882
883 /* ==========================================================================
884
885 Frame / window manager related functions
886
887 ========================================================================== */
888
889
890 static void
891 ns_raise_frame (struct frame *f)
892 /* --------------------------------------------------------------------------
893 Bring window to foreground and make it active
894 -------------------------------------------------------------------------- */
895 {
896 NSView *view = FRAME_NS_VIEW (f);
897 check_ns ();
898 BLOCK_INPUT;
899 [[view window] makeKeyAndOrderFront: NSApp];
900 UNBLOCK_INPUT;
901 }
902
903
904 static void
905 ns_lower_frame (struct frame *f)
906 /* --------------------------------------------------------------------------
907 Send window to back
908 -------------------------------------------------------------------------- */
909 {
910 NSView *view = FRAME_NS_VIEW (f);
911 check_ns ();
912 BLOCK_INPUT;
913 [[view window] orderBack: NSApp];
914 UNBLOCK_INPUT;
915 }
916
917
918 static void
919 ns_frame_raise_lower (struct frame *f, int raise)
920 /* --------------------------------------------------------------------------
921 External (hook)
922 -------------------------------------------------------------------------- */
923 {
924 NSTRACE (ns_frame_raise_lower);
925
926 if (raise)
927 ns_raise_frame (f);
928 else
929 ns_lower_frame (f);
930 }
931
932
933 static void
934 ns_frame_rehighlight (struct frame *frame)
935 /* --------------------------------------------------------------------------
936 External (hook): called on things like window switching within frame
937 -------------------------------------------------------------------------- */
938 {
939 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (frame);
940 struct frame *old_highlight = dpyinfo->x_highlight_frame;
941
942 NSTRACE (ns_frame_rehighlight);
943 if (dpyinfo->x_focus_frame)
944 {
945 dpyinfo->x_highlight_frame
946 = (FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))
947 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))
948 : dpyinfo->x_focus_frame);
949 if (!FRAME_LIVE_P (dpyinfo->x_highlight_frame))
950 {
951 FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame) = Qnil;
952 dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame;
953 }
954 }
955 else
956 dpyinfo->x_highlight_frame = 0;
957
958 if (dpyinfo->x_highlight_frame &&
959 dpyinfo->x_highlight_frame != old_highlight)
960 {
961 if (old_highlight)
962 {
963 x_update_cursor (old_highlight, 1);
964 x_set_frame_alpha (old_highlight);
965 }
966 if (dpyinfo->x_highlight_frame)
967 {
968 x_update_cursor (dpyinfo->x_highlight_frame, 1);
969 x_set_frame_alpha (dpyinfo->x_highlight_frame);
970 }
971 }
972 }
973
974
975 void
976 x_make_frame_visible (struct frame *f)
977 /* --------------------------------------------------------------------------
978 External: Show the window (X11 semantics)
979 -------------------------------------------------------------------------- */
980 {
981 NSTRACE (x_make_frame_visible);
982 /* XXX: at some points in past this was not needed, as the only place that
983 called this (frame.c:Fraise_frame ()) also called raise_lower;
984 if this ends up the case again, comment this out again. */
985 if (!FRAME_VISIBLE_P (f))
986 ns_raise_frame (f);
987 }
988
989
990 void
991 x_make_frame_invisible (struct frame *f)
992 /* --------------------------------------------------------------------------
993 External: Hide the window (X11 semantics)
994 -------------------------------------------------------------------------- */
995 {
996 NSView * view = FRAME_NS_VIEW (f);
997 NSTRACE (x_make_frame_invisible);
998 check_ns ();
999 [[view window] orderOut: NSApp];
1000 f->async_visible = 0;
1001 f->async_iconified = 0;
1002 }
1003
1004
1005 void
1006 x_iconify_frame (struct frame *f)
1007 /* --------------------------------------------------------------------------
1008 External: Iconify window
1009 -------------------------------------------------------------------------- */
1010 {
1011 NSView * view = FRAME_NS_VIEW (f);
1012 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (f);
1013 NSTRACE (x_iconify_frame);
1014 check_ns ();
1015
1016 if (dpyinfo->x_highlight_frame == f)
1017 dpyinfo->x_highlight_frame = 0;
1018
1019 if ([[view window] windowNumber] <= 0)
1020 {
1021 /* the window is still deferred. Make it very small, bring it
1022 on screen and order it out. */
1023 NSRect s = { { 100, 100}, {0, 0} };
1024 NSRect t;
1025 t = [[view window] frame];
1026 [[view window] setFrame: s display: NO];
1027 [[view window] orderBack: NSApp];
1028 [[view window] orderOut: NSApp];
1029 [[view window] setFrame: t display: NO];
1030 }
1031 [[view window] miniaturize: NSApp];
1032 }
1033
1034
1035 void
1036 x_destroy_window (struct frame *f)
1037 /* --------------------------------------------------------------------------
1038 External: Delete the window
1039 -------------------------------------------------------------------------- */
1040 {
1041 NSView *view = FRAME_NS_VIEW (f);
1042 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (f);
1043 NSTRACE (x_destroy_window);
1044 check_ns ();
1045
1046 [(EmacsView *)view setWindowClosing: YES]; /* may not have been informed */
1047
1048 BLOCK_INPUT;
1049
1050 free_frame_menubar (f);
1051
1052 if (FRAME_FACE_CACHE (f))
1053 free_frame_faces (f);
1054
1055 if (f == dpyinfo->x_focus_frame)
1056 dpyinfo->x_focus_frame = 0;
1057 if (f == dpyinfo->x_highlight_frame)
1058 dpyinfo->x_highlight_frame = 0;
1059 if (f == dpyinfo->mouse_face_mouse_frame)
1060 {
1061 dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1;
1062 dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1;
1063 dpyinfo->mouse_face_window = Qnil;
1064 dpyinfo->mouse_face_deferred_gc = 0;
1065 dpyinfo->mouse_face_mouse_frame = 0;
1066 }
1067
1068 xfree (f->output_data.ns);
1069
1070 [[view window] close];
1071 [view release];
1072
1073 ns_window_num--;
1074 UNBLOCK_INPUT;
1075 }
1076
1077
1078 void
1079 x_set_offset (struct frame *f, int xoff, int yoff, int change_grav)
1080 /* --------------------------------------------------------------------------
1081 External: Position the window
1082 -------------------------------------------------------------------------- */
1083 {
1084 NSScreen *screen;
1085 NSView *view = FRAME_NS_VIEW (f);
1086
1087 NSTRACE (x_set_offset);
1088
1089 BLOCK_INPUT;
1090
1091 f->left_pos = xoff;
1092 f->top_pos = yoff;
1093 #ifdef NS_IMPL_GNUSTEP
1094 if (xoff < 100)
1095 f->left_pos = 100; /* don't overlap menu */
1096 #endif
1097 if (view != nil && (screen = [[view window] screen]))
1098 [[view window] setFrameTopLeftPoint:
1099 NSMakePoint (SCREENMAXBOUND (f->left_pos),
1100 SCREENMAXBOUND ([screen frame].size.height
1101 - NS_TOP_POS (f)))];
1102 UNBLOCK_INPUT;
1103 }
1104
1105
1106 void
1107 x_set_window_size (struct frame *f, int change_grav, int cols, int rows)
1108 /* --------------------------------------------------------------------------
1109 Adjust window pixel size based on given character grid size
1110 Impl is a bit more complex than other terms, need to do some
1111 internal clipping and also pay attention to screen constraints.
1112 -------------------------------------------------------------------------- */
1113 {
1114 EmacsView *view = FRAME_NS_VIEW (f);
1115 EmacsToolbar *toolbar = [view toolbar];
1116 NSWindow *window = [view window];
1117 NSScreen *screen = [window screen];
1118 NSRect wr = [window frame];
1119 int tb = FRAME_EXTERNAL_TOOL_BAR (f);
1120 int pixelwidth, pixelheight;
1121 static int oldRows, oldCols, oldFontWidth, oldFontHeight;
1122 static int oldTB;
1123 static struct frame *oldF;
1124
1125 NSTRACE (x_set_window_size);
1126
1127 if (view == nil ||
1128 (f == oldF
1129 && rows == oldRows && cols == oldCols
1130 && oldFontWidth == FRAME_COLUMN_WIDTH (f)
1131 && oldFontHeight == FRAME_LINE_HEIGHT (f)
1132 && oldTB == tb))
1133 return;
1134
1135 /*fprintf (stderr, "\tsetWindowSize: %d x %d, font size %d x %d\n", cols, rows, FRAME_COLUMN_WIDTH (f), FRAME_LINE_HEIGHT (f)); */
1136
1137 BLOCK_INPUT;
1138
1139 check_frame_size (f, &rows, &cols);
1140 oldF = f;
1141 oldRows = rows;
1142 oldCols = cols;
1143 oldFontWidth = FRAME_COLUMN_WIDTH (f);
1144 oldFontHeight = FRAME_LINE_HEIGHT (f);
1145 oldTB = tb;
1146
1147 f->scroll_bar_actual_width = NS_SCROLL_BAR_WIDTH (f);
1148 compute_fringe_widths (f, 0);
1149
1150 pixelwidth = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, cols);
1151 pixelheight = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, rows);
1152
1153 /* If we have a toolbar, take its height into account. */
1154 if (tb)
1155 FRAME_NS_TOOLBAR_HEIGHT (f) =
1156 /* XXX: GNUstep has not yet implemented the first method below, added
1157 in Panther, however the second is incorrect under Cocoa. */
1158 #ifdef NS_IMPL_COCOA
1159 NSHeight ([window frameRectForContentRect: NSMakeRect (0, 0, 0, 0)])
1160 /* NOTE: previously this would generate wrong result if toolbar not
1161 yet displayed and fixing toolbar_height=32 helped, but
1162 now (200903) seems no longer needed */
1163 #else
1164 NSHeight ([NSWindow frameRectForContentRect: NSMakeRect (0, 0, 0, 0)
1165 styleMask: [window styleMask]])
1166 #endif
1167 - FRAME_NS_TITLEBAR_HEIGHT (f);
1168 else
1169 FRAME_NS_TOOLBAR_HEIGHT (f) = 0;
1170
1171 wr.size.width = pixelwidth + f->border_width;
1172 wr.size.height = pixelheight + FRAME_NS_TITLEBAR_HEIGHT (f)
1173 + FRAME_NS_TOOLBAR_HEIGHT (f);
1174
1175 /* constrain to screen if we can */
1176 if (screen)
1177 {
1178 NSSize sz = [screen visibleFrame].size;
1179 NSSize ez = { wr.size.width - sz.width, wr.size.height - sz.height };
1180 if (ez.width > 0)
1181 {
1182 int cr = ez.width / FRAME_COLUMN_WIDTH (f) + 1;
1183 cols -= cr;
1184 oldCols = cols;
1185 wr.size.width -= cr * FRAME_COLUMN_WIDTH (f);
1186 pixelwidth -= cr * FRAME_COLUMN_WIDTH (f);
1187 }
1188 if (ez.height > 0)
1189 {
1190 int rr = ez.height / FRAME_LINE_HEIGHT (f) + 1;
1191 rows -= rr;
1192 oldRows = rows;
1193 wr.size.height -= rr * FRAME_LINE_HEIGHT (f);
1194 pixelheight -= rr * FRAME_LINE_HEIGHT (f);
1195 }
1196 wr.origin.x = f->left_pos;
1197 wr.origin.y = [screen frame].size.height - NS_TOP_POS (f)
1198 - wr.size.height;
1199 }
1200
1201 [view setRows: rows andColumns: cols];
1202 [window setFrame: wr display: YES];
1203
1204 /*fprintf (stderr, "\tx_set_window_size %d, %d\t%d, %d\n", cols, rows, pixelwidth, pixelheight); */
1205
1206 /* This is a trick to compensate for Emacs' managing the scrollbar area
1207 as a fixed number of standard character columns. Instead of leaving
1208 blank space for the extra, we chopped it off above. Now for
1209 left-hand scrollbars, we shift all rendering to the left by the
1210 difference between the real width and Emacs' imagined one. For
1211 right-hand bars, don't worry about it since the extra is never used.
1212 (Obviously doesn't work for vertically split windows tho..) */
1213 NSPoint origin = FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)
1214 ? NSMakePoint (FRAME_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f)
1215 - NS_SCROLL_BAR_WIDTH (f), 0)
1216 : NSMakePoint (0, 0);
1217 [view setFrame: NSMakeRect (0, 0, pixelwidth, pixelheight)];
1218 [view setBoundsOrigin: origin];
1219
1220 change_frame_size (f, rows, cols, 0, 1, 0); /* pretend, delay, safe */
1221 FRAME_PIXEL_WIDTH (f) = pixelwidth;
1222 FRAME_PIXEL_HEIGHT (f) = pixelheight;
1223 /* SET_FRAME_GARBAGED (f); // this short-circuits expose call in drawRect */
1224
1225 mark_window_cursors_off (XWINDOW (f->root_window));
1226 cancel_mouse_face (f);
1227
1228 UNBLOCK_INPUT;
1229 }
1230
1231
1232
1233 /* ==========================================================================
1234
1235 Color management
1236
1237 ========================================================================== */
1238
1239
1240 NSColor *
1241 ns_lookup_indexed_color (unsigned long idx, struct frame *f)
1242 {
1243 struct ns_color_table *color_table = FRAME_NS_DISPLAY_INFO (f)->color_table;
1244 return color_table->colors[idx];
1245 }
1246
1247
1248 unsigned long
1249 ns_index_color (NSColor *color, struct frame *f)
1250 {
1251 struct ns_color_table *color_table = FRAME_NS_DISPLAY_INFO (f)->color_table;
1252 int idx;
1253 NSNumber *index;
1254
1255 if (!color_table->colors)
1256 {
1257 color_table->size = NS_COLOR_CAPACITY;
1258 color_table->avail = 1; /* skip idx=0 as marker */
1259 color_table->colors
1260 = (NSColor **)xmalloc (color_table->size * sizeof (NSColor *));
1261 color_table->empty_indices = [[NSMutableSet alloc] init];
1262 }
1263
1264 /* do we already have this color ? */
1265 {
1266 int i;
1267 for (i = 1; i < color_table->avail; i++)
1268 {
1269 if (color_table->colors[i] && [color_table->colors[i] isEqual: color])
1270 {
1271 [color_table->colors[i] retain];
1272 return i;
1273 }
1274 }
1275 }
1276
1277 if ([color_table->empty_indices count] > 0)
1278 {
1279 index = [color_table->empty_indices anyObject];
1280 [color_table->empty_indices removeObject: index];
1281 idx = [index unsignedIntValue];
1282 }
1283 else
1284 {
1285 if (color_table->avail == color_table->size)
1286 {
1287 color_table->size += NS_COLOR_CAPACITY;
1288 color_table->colors
1289 = (NSColor **)xrealloc (color_table->colors,
1290 color_table->size * sizeof (NSColor *));
1291 }
1292 idx = color_table->avail++;
1293 }
1294
1295 color_table->colors[idx] = color;
1296 [color retain];
1297 /*fprintf(stderr, "color_table: allocated %d\n",idx);*/
1298 return idx;
1299 }
1300
1301
1302 void
1303 ns_free_indexed_color (unsigned long idx, struct frame *f)
1304 {
1305 struct ns_color_table *color_table;
1306 NSColor *color;
1307 NSNumber *index;
1308
1309 if (!f)
1310 return;
1311
1312 color_table = FRAME_NS_DISPLAY_INFO (f)->color_table;
1313
1314 if (idx <= 0 || idx >= color_table->size) {
1315 message1("ns_free_indexed_color: Color index out of range.\n");
1316 return;
1317 }
1318
1319 index = [NSNumber numberWithUnsignedInt: idx];
1320 if ([color_table->empty_indices containsObject: index]) {
1321 message1("ns_free_indexed_color: attempt to free already freed color.\n");
1322 return;
1323 }
1324
1325 color = color_table->colors[idx];
1326 [color release];
1327 color_table->colors[idx] = nil;
1328 [color_table->empty_indices addObject: [NSNumber numberWithUnsignedInt: idx]];
1329 /*fprintf(stderr, "color_table: FREED %d\n",idx);*/
1330 }
1331
1332
1333 static int
1334 ns_get_color (const char *name, NSColor **col)
1335 /* --------------------------------------------------------------------------
1336 Parse a color name
1337 /* --------------------------------------------------------------------------
1338 /* On *Step, we recognize several color formats, in addition to a catalog
1339 of colors found in the file Emacs.clr. Color formats include:
1340 - #rrggbb or RGBrrggbb where rr, gg, bb specify red, green and blue in hex
1341 - ARGBaarrggbb is similar, with aa being the alpha channel (FF = opaque)
1342 - HSVhhssvv and AHSVaahhssvv (or HSB/AHSB) are similar for hue, saturation,
1343 value;
1344 - CMYKccmmyykk is similar for cyan, magenta, yellow, black. */
1345 {
1346 NSColor * new = nil;
1347 const char *hex = NULL;
1348 enum { rgb, argb, hsv, ahsv, cmyk, gray } color_space;
1349 NSString *nsname = [NSString stringWithUTF8String: name];
1350
1351 /*fprintf (stderr, "ns_get_color: '%s'\n", name); */
1352 BLOCK_INPUT;
1353
1354 if ([nsname isEqualToString: @"ns_selection_color"])
1355 {
1356 nsname = ns_selection_color;
1357 name = [ns_selection_color UTF8String];
1358 }
1359
1360 if (name[0] == '0' || name[0] == '1' || name[0] == '.')
1361 {
1362 /* RGB decimal */
1363 NSScanner *scanner = [NSScanner scannerWithString: nsname];
1364 float r, g, b;
1365 [scanner scanFloat: &r];
1366 [scanner scanFloat: &g];
1367 [scanner scanFloat: &b];
1368 *col = [NSColor colorWithCalibratedRed: r green: g blue: b alpha: 1.0];
1369 UNBLOCK_INPUT;
1370 return 0;
1371 }
1372
1373 /* FIXME: emacs seems to downcase everything before passing it here,
1374 which we can work around, except for GRAY, since gray##, where ## is
1375 decimal between 0 and 99, is also an X11 colorname. */
1376 if (name[0] == '#') /* X11 format */
1377 {
1378 hex = name + 1;
1379 color_space = rgb;
1380 }
1381 else if (!memcmp (name, "RGB", 3) || !memcmp (name, "rgb", 3))
1382 {
1383 hex = name + 3;
1384 color_space = rgb;
1385 }
1386 else if (!memcmp (name, "ARGB", 4) || !memcmp (name, "argb", 4))
1387 {
1388 hex = name + 4;
1389 color_space = argb;
1390 }
1391 else if (!memcmp (name, "HSV", 3) || !memcmp (name, "hsv", 3) ||
1392 !memcmp (name, "HSB", 3) || !memcmp (name, "hsb", 3))
1393 {
1394 hex = name + 3;
1395 color_space = hsv;
1396 }
1397 else if (!memcmp (name, "AHSV", 4) || !memcmp (name, "ahsv", 4) ||
1398 !memcmp (name, "AHSB", 4) || !memcmp (name, "ahsb", 4))
1399 {
1400 hex = name + 4;
1401 color_space = ahsv;
1402 }
1403 else if (!memcmp (name, "CMYK", 4) || !memcmp (name, "cmyk", 4))
1404 {
1405 hex = name + 4;
1406 color_space = cmyk;
1407 }
1408 else if (!memcmp (name, "GRAY", 4) /*|| !memcmp (name, "gray", 4)*/)
1409 {
1410 hex = name + 4;
1411 color_space = gray;
1412 }
1413
1414 /* Direct colors (hex values) */
1415 if (hex)
1416 {
1417 unsigned long long color = 0;
1418 if (sscanf (hex, "%x", &color))
1419 {
1420 float f1, f2, f3, f4;
1421 /* Assume it's either 1 byte or 2 per channel... */
1422 if (strlen(hex) > 8) {
1423 f1 = ((color >> 48) & 0xffff) / 65535.0;
1424 f2 = ((color >> 32) & 0xffff) / 65535.0;
1425 f3 = ((color >> 16) & 0xffff) / 65535.0;
1426 f4 = ((color ) & 0xffff) / 65535.0;
1427 } else {
1428 f1 = ((color >> 24) & 0xff) / 255.0;
1429 f2 = ((color >> 16) & 0xff) / 255.0;
1430 f3 = ((color >> 8) & 0xff) / 255.0;
1431 f4 = ((color ) & 0xff) / 255.0;
1432 }
1433
1434 switch (color_space)
1435 {
1436 case rgb:
1437 *col = [NSColor colorWithCalibratedRed: f2
1438 green: f3
1439 blue: f4
1440 alpha: 1.0];
1441 break;
1442 case argb:
1443 *col = [NSColor colorWithCalibratedRed: f2
1444 green: f3
1445 blue: f4
1446 alpha: f1];
1447 break;
1448 case hsv:
1449 *col = [NSColor colorWithCalibratedHue: f2
1450 saturation: f3
1451 brightness: f4
1452 alpha: 1.0];
1453 break;
1454 case ahsv:
1455 *col = [NSColor colorWithCalibratedHue: f2
1456 saturation: f3
1457 brightness: f4
1458 alpha: f1];
1459 break;
1460 case gray:
1461 *col = [NSColor colorWithCalibratedWhite: f3 alpha: f4];
1462 break;
1463 case cmyk:
1464 *col = [NSColor colorWithDeviceCyan: f1
1465 magenta: f2
1466 yellow: f3
1467 black: f4
1468 alpha: 1.0];
1469 break;
1470 }
1471 *col = [*col colorUsingColorSpaceName: NSCalibratedRGBColorSpace];
1472 UNBLOCK_INPUT;
1473 return 0;
1474 }
1475 }
1476
1477 /* Otherwise, color is expected to be from a list */
1478 {
1479 NSEnumerator *lenum, *cenum;
1480 NSString *name;
1481 NSColorList *clist;
1482
1483 #ifdef NS_IMPL_GNUSTEP
1484 /* XXX: who is wrong, the requestor or the implementation? */
1485 if ([nsname compare: @"Highlight" options: NSCaseInsensitiveSearch]
1486 == NSOrderedSame)
1487 nsname = @"highlightColor";
1488 #endif
1489
1490 lenum = [[NSColorList availableColorLists] objectEnumerator];
1491 while ( (clist = [lenum nextObject]) && new == nil)
1492 {
1493 cenum = [[clist allKeys] objectEnumerator];
1494 while ( (name = [cenum nextObject]) && new == nil )
1495 {
1496 if ([name compare: nsname
1497 options: NSCaseInsensitiveSearch] == NSOrderedSame )
1498 new = [clist colorWithKey: name];
1499 }
1500 }
1501 }
1502
1503 if ( new )
1504 *col = [new colorUsingColorSpaceName: NSCalibratedRGBColorSpace];
1505 /* else
1506 NSLog (@"Failed to find color '%@'", nsname); */
1507 UNBLOCK_INPUT;
1508 return new ? 0 : 1;
1509 }
1510
1511
1512 static NSColor *
1513 ns_get_color_default (const char *name, NSColor *dflt)
1514 /* --------------------------------------------------------------------------
1515 Parse a color or use a default value
1516 -------------------------------------------------------------------------- */
1517 {
1518 NSColor * col;
1519
1520 if (ns_get_color (name, &col))
1521 return dflt;
1522 else
1523 return col;
1524 }
1525
1526
1527 int
1528 ns_lisp_to_color (Lisp_Object color, NSColor **col)
1529 /* --------------------------------------------------------------------------
1530 Convert a Lisp string object to a NS color
1531 -------------------------------------------------------------------------- */
1532 {
1533 NSTRACE (ns_lisp_to_color);
1534 if (STRINGP (color))
1535 return ns_get_color (SDATA (color), col);
1536 else if (SYMBOLP (color))
1537 return ns_get_color (SDATA (SYMBOL_NAME (color)), col);
1538 return 1;
1539 }
1540
1541
1542 Lisp_Object
1543 ns_color_to_lisp (NSColor *col)
1544 /* --------------------------------------------------------------------------
1545 Convert a color to a lisp string with the RGB equivalent
1546 -------------------------------------------------------------------------- */
1547 {
1548 float red, green, blue, alpha, gray;
1549 char buf[1024];
1550 const char *str;
1551 NSTRACE (ns_color_to_lisp);
1552
1553 BLOCK_INPUT;
1554 if ([[col colorSpaceName] isEqualToString: NSNamedColorSpace])
1555
1556 if ((str =[[col colorNameComponent] UTF8String]))
1557 {
1558 UNBLOCK_INPUT;
1559 return build_string ((char *)str);
1560 }
1561
1562 [[col colorUsingColorSpaceName: NSCalibratedRGBColorSpace]
1563 getRed: &red green: &green blue: &blue alpha: &alpha];
1564 if (red ==green && red ==blue)
1565 {
1566 [[col colorUsingColorSpaceName: NSCalibratedWhiteColorSpace]
1567 getWhite: &gray alpha: &alpha];
1568 snprintf (buf, sizeof (buf), "GRAY%02.2lx%02.2lx",
1569 lrint (gray * 0xff), lrint (alpha * 0xff));
1570 UNBLOCK_INPUT;
1571 return build_string (buf);
1572 }
1573
1574 snprintf (buf, sizeof (buf), "ARGB%02.2lx%02.2lx%02.2lx%02.2lx",
1575 lrint (alpha*0xff),
1576 lrint (red*0xff), lrint (green*0xff), lrint (blue*0xff));
1577
1578 UNBLOCK_INPUT;
1579 return build_string (buf);
1580 }
1581
1582
1583 void
1584 ns_query_color(void *col, XColor *color_def, int setPixel)
1585 /* --------------------------------------------------------------------------
1586 Get ARGB values out of NSColor col and put them into color_def.
1587 If setPixel, set the pixel to a concatenated version.
1588 and set color_def pixel to the resulting index.
1589 -------------------------------------------------------------------------- */
1590 {
1591 float r, g, b, a;
1592
1593 [((NSColor *)col) getRed: &r green: &g blue: &b alpha: &a];
1594 color_def->red = r * 65535;
1595 color_def->green = g * 65535;
1596 color_def->blue = b * 65535;
1597
1598 if (setPixel == YES)
1599 color_def->pixel
1600 = ARGB_TO_ULONG((int)(a*255),
1601 (int)(r*255), (int)(g*255), (int)(b*255));
1602 }
1603
1604
1605 int
1606 ns_defined_color (struct frame *f, char *name, XColor *color_def, int alloc,
1607 char makeIndex)
1608 /* --------------------------------------------------------------------------
1609 Return 1 if named color found, and set color_def rgb accordingly.
1610 If makeIndex and alloc are nonzero put the color in the color_table,
1611 and set color_def pixel to the resulting index.
1612 If makeIndex is zero, set color_def pixel to ARGB.
1613 Return 0 if not found
1614 -------------------------------------------------------------------------- */
1615 {
1616 NSColor *temp;
1617 int notFound = ns_get_color (name, &temp);
1618
1619 NSTRACE (ns_defined_color);
1620
1621 if (notFound)
1622 return 0;
1623
1624 if (makeIndex && alloc)
1625 color_def->pixel = ns_index_color(temp, f); /* [temp retain]; */
1626
1627 ns_query_color (temp, color_def, !makeIndex);
1628
1629 return 1;
1630 }
1631
1632
1633 unsigned long
1634 ns_get_rgb_color (struct frame *f, float r, float g, float b, float a)
1635 /* --------------------------------------------------------------------------
1636 return an autoreleased RGB color
1637 -------------------------------------------------------------------------- */
1638 {
1639 /*static int c = 1; fprintf (stderr, "color request %d\n", c++); */
1640 if (r < 0.0) r = 0.0;
1641 else if (r > 1.0) r = 1.0;
1642 if (g < 0.0) g = 0.0;
1643 else if (g > 1.0) g = 1.0;
1644 if (b < 0.0) b = 0.0;
1645 else if (b > 1.0) b = 1.0;
1646 if (a < 0.0) a = 0.0;
1647 else if (a > 1.0) a = 1.0;
1648 return (unsigned long) ns_index_color(
1649 [NSColor colorWithCalibratedRed: r green: g blue: b alpha: a], f);
1650 }
1651
1652
1653 void
1654 x_set_frame_alpha (struct frame *f)
1655 /* --------------------------------------------------------------------------
1656 change the entire-frame transparency
1657 -------------------------------------------------------------------------- */
1658 {
1659 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (f);
1660 EmacsView *view = FRAME_NS_VIEW (f);
1661 double alpha = 1.0;
1662 double alpha_min = 1.0;
1663
1664 if (dpyinfo->x_highlight_frame == f)
1665 alpha = f->alpha[0];
1666 else
1667 alpha = f->alpha[1];
1668
1669 if (FLOATP (Vframe_alpha_lower_limit))
1670 alpha_min = XFLOAT_DATA (Vframe_alpha_lower_limit);
1671 else if (INTEGERP (Vframe_alpha_lower_limit))
1672 alpha_min = (XINT (Vframe_alpha_lower_limit)) / 100.0;
1673
1674 if (alpha < 0.0)
1675 return;
1676 else if (1.0 < alpha)
1677 alpha = 1.0;
1678 else if (0.0 <= alpha && alpha < alpha_min && alpha_min <= 1.0)
1679 alpha = alpha_min;
1680
1681 #ifdef NS_IMPL_COCOA
1682 [[view window] setAlphaValue: alpha];
1683 #endif
1684 }
1685
1686
1687 /* ==========================================================================
1688
1689 Mouse handling
1690
1691 ========================================================================== */
1692
1693
1694 void
1695 x_set_mouse_pixel_position (struct frame *f, int pix_x, int pix_y)
1696 /* --------------------------------------------------------------------------
1697 Programmatically reposition mouse pointer in pixel coordinates
1698 -------------------------------------------------------------------------- */
1699 {
1700 NSTRACE (x_set_mouse_pixel_position);
1701 ns_raise_frame (f);
1702 #if 0
1703 /* FIXME: this does not work, and what about GNUstep? */
1704 #ifdef NS_IMPL_COCOA
1705 [FRAME_NS_VIEW (f) lockFocus];
1706 PSsetmouse ((float)pix_x, (float)pix_y);
1707 [FRAME_NS_VIEW (f) unlockFocus];
1708 #endif
1709 #endif
1710 }
1711
1712
1713 void
1714 x_set_mouse_position (struct frame *f, int h, int v)
1715 /* --------------------------------------------------------------------------
1716 Programmatically reposition mouse pointer in character coordinates
1717 -------------------------------------------------------------------------- */
1718 {
1719 int pix_x, pix_y;
1720
1721 pix_x = FRAME_COL_TO_PIXEL_X (f, h) + FRAME_COLUMN_WIDTH (f) / 2;
1722 pix_y = FRAME_LINE_TO_PIXEL_Y (f, v) + FRAME_LINE_HEIGHT (f) / 2;
1723
1724 if (pix_x < 0) pix_x = 0;
1725 if (pix_x > FRAME_PIXEL_WIDTH (f)) pix_x = FRAME_PIXEL_WIDTH (f);
1726
1727 if (pix_y < 0) pix_y = 0;
1728 if (pix_y > FRAME_PIXEL_HEIGHT (f)) pix_y = FRAME_PIXEL_HEIGHT (f);
1729
1730 x_set_mouse_pixel_position (f, pix_x, pix_y);
1731 }
1732
1733
1734 static int
1735 note_mouse_movement (struct frame *frame, float x, float y)
1736 /* ------------------------------------------------------------------------
1737 Called by EmacsView on mouseMovement events. Passes on
1738 to emacs mainstream code if we moved off of a rect of interest
1739 known as last_mouse_glyph.
1740 ------------------------------------------------------------------------ */
1741 {
1742 // NSTRACE (note_mouse_movement);
1743
1744 XSETFRAME (last_mouse_motion_frame, frame);
1745
1746 /* Note, this doesn't get called for enter/leave, since we don't have a
1747 position. Those are taken care of in the corresponding NSView methods. */
1748
1749 /* has movement gone beyond last rect we were tracking? */
1750 if (x < last_mouse_glyph.origin.x ||
1751 x >= (last_mouse_glyph.origin.x + last_mouse_glyph.size.width) ||
1752 y < last_mouse_glyph.origin.y ||
1753 y >= (last_mouse_glyph.origin.y + last_mouse_glyph.size.height))
1754 {
1755 ns_update_begin(frame);
1756 frame->mouse_moved = 1;
1757 note_mouse_highlight (frame, x, y);
1758 remember_mouse_glyph (frame, x, y, &last_mouse_glyph);
1759 ns_update_end(frame);
1760 return 1;
1761 }
1762
1763 return 0;
1764 }
1765
1766
1767 static void
1768 ns_mouse_position (struct frame **fp, int insist, Lisp_Object *bar_window,
1769 enum scroll_bar_part *part, Lisp_Object *x, Lisp_Object *y,
1770 unsigned long *time)
1771 /* --------------------------------------------------------------------------
1772 External (hook): inform emacs about mouse position and hit parts.
1773 If a scrollbar is being dragged, set bar_window, part, x, y, time.
1774 x & y should be position in the scrollbar (the whole bar, not the handle)
1775 and length of scrollbar respectively
1776 -------------------------------------------------------------------------- */
1777 {
1778 id view;
1779 NSPoint position;
1780 int xchar, ychar;
1781 Lisp_Object frame, tail;
1782 struct frame *f;
1783 struct ns_display_info *dpyinfo;
1784
1785 NSTRACE (ns_mouse_position);
1786
1787 if (*fp == NULL)
1788 {
1789 fprintf (stderr, "Warning: ns_mouse_position () called with null *fp.\n");
1790 return;
1791 }
1792
1793 dpyinfo = FRAME_NS_DISPLAY_INFO (*fp);
1794
1795 BLOCK_INPUT;
1796
1797 if (last_mouse_scroll_bar != nil && insist == 0)
1798 {
1799 /* TODO: we do not use this path at the moment because drag events will
1800 go directly to the EmacsScroller. Leaving code in for now. */
1801 [last_mouse_scroll_bar getMouseMotionPart: (int *)part window: bar_window
1802 x: x y: y];
1803 if (time) *time = last_mouse_movement_time;
1804 last_mouse_scroll_bar = nil;
1805 }
1806 else
1807 {
1808 /* Clear the mouse-moved flag for every frame on this display. */
1809 FOR_EACH_FRAME (tail, frame)
1810 if (FRAME_NS_P (XFRAME (frame))
1811 && FRAME_NS_DISPLAY (XFRAME (frame)) == FRAME_NS_DISPLAY (*fp))
1812 XFRAME (frame)->mouse_moved = 0;
1813
1814 last_mouse_scroll_bar = nil;
1815 if (last_mouse_frame && FRAME_LIVE_P (last_mouse_frame))
1816 f = last_mouse_frame;
1817 else
1818 f = dpyinfo->x_focus_frame ? dpyinfo->x_focus_frame
1819 : SELECTED_FRAME ();
1820
1821 if (f && f->output_data.ns) /* TODO: 2nd check no longer needed? */
1822 {
1823 view = FRAME_NS_VIEW (*fp);
1824
1825 position = [[view window] mouseLocationOutsideOfEventStream];
1826 position = [view convertPoint: position fromView: nil];
1827 remember_mouse_glyph (f, position.x, position.y, &last_mouse_glyph);
1828 /*fprintf (stderr, "ns_mouse_position: %.0f, %.0f\n", position.x, position.y); */
1829
1830 if (bar_window) *bar_window = Qnil;
1831 if (part) *part = 0; /*scroll_bar_handle; */
1832
1833 if (x) XSETINT (*x, lrint (position.x));
1834 if (y) XSETINT (*y, lrint (position.y));
1835 if (time) *time = last_mouse_movement_time;
1836 *fp = f;
1837 }
1838 }
1839
1840 UNBLOCK_INPUT;
1841 }
1842
1843
1844 static void
1845 ns_frame_up_to_date (struct frame *f)
1846 /* --------------------------------------------------------------------------
1847 External (hook): Fix up mouse highlighting right after a full update.
1848 Some highlighting was deferred if GC was happening during
1849 note_mouse_highlight (), while other highlighting was deferred for update.
1850 -------------------------------------------------------------------------- */
1851 {
1852 NSTRACE (ns_frame_up_to_date);
1853
1854 if (FRAME_NS_P (f))
1855 {
1856 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (f);
1857 if ((dpyinfo->mouse_face_deferred_gc||f ==dpyinfo->mouse_face_mouse_frame)
1858 /*&& dpyinfo->mouse_face_mouse_frame*/)
1859 {
1860 BLOCK_INPUT;
1861 ns_update_begin(f);
1862 if (dpyinfo->mouse_face_mouse_frame)
1863 note_mouse_highlight (dpyinfo->mouse_face_mouse_frame,
1864 dpyinfo->mouse_face_mouse_x,
1865 dpyinfo->mouse_face_mouse_y);
1866 dpyinfo->mouse_face_deferred_gc = 0;
1867 ns_update_end(f);
1868 UNBLOCK_INPUT;
1869 }
1870 }
1871 }
1872
1873
1874 void
1875 ns_define_frame_cursor (struct frame *f, Cursor cursor)
1876 /* --------------------------------------------------------------------------
1877 External (RIF): set frame mouse pointer type.
1878 -------------------------------------------------------------------------- */
1879 {
1880 NSTRACE (ns_define_frame_cursor);
1881 if (FRAME_POINTER_TYPE (f) != cursor)
1882 {
1883 EmacsView *view = FRAME_NS_VIEW (f);
1884 FRAME_POINTER_TYPE (f) = cursor;
1885 [[view window] invalidateCursorRectsForView: view];
1886 }
1887 }
1888
1889
1890
1891 /* ==========================================================================
1892
1893 Keyboard handling
1894
1895 ========================================================================== */
1896
1897
1898 static unsigned
1899 ns_convert_key (unsigned code)
1900 /* --------------------------------------------------------------------------
1901 Internal call used by NSView-keyDown.
1902 -------------------------------------------------------------------------- */
1903 {
1904 const unsigned last_keysym = (sizeof (convert_ns_to_X_keysym)
1905 / sizeof (convert_ns_to_X_keysym[0]));
1906 unsigned keysym;
1907 /* An array would be faster, but less easy to read. */
1908 for (keysym = 0; keysym < last_keysym; keysym += 2)
1909 if (code == convert_ns_to_X_keysym[keysym])
1910 return 0xFF00 | convert_ns_to_X_keysym[keysym+1];
1911 return 0;
1912 /* if decide to use keyCode and Carbon table, use this line:
1913 return code > 0xff ? 0 : 0xFF00 | ns_keycode_to_xkeysym_table[code]; */
1914 }
1915
1916
1917 char *
1918 x_get_keysym_name (int keysym)
1919 /* --------------------------------------------------------------------------
1920 Called by keyboard.c. Not sure if the return val is important, except
1921 that it be unique.
1922 -------------------------------------------------------------------------- */
1923 {
1924 static char value[16];
1925 NSTRACE (x_get_keysym_name);
1926 sprintf (value, "%d", keysym);
1927 return value;
1928 }
1929
1930
1931
1932 /* ==========================================================================
1933
1934 Block drawing operations
1935
1936 ========================================================================== */
1937
1938
1939 static void
1940 ns_redraw_scroll_bars (struct frame *f)
1941 {
1942 int i;
1943 id view;
1944 NSArray *subviews = [[FRAME_NS_VIEW (f) superview] subviews];
1945 NSTRACE (ns_judge_scroll_bars);
1946 for (i =[subviews count]-1; i >= 0; i--)
1947 {
1948 view = [subviews objectAtIndex: i];
1949 if (![view isKindOfClass: [EmacsScroller class]]) continue;
1950 [view display];
1951 }
1952 }
1953
1954
1955 void
1956 ns_clear_frame (struct frame *f)
1957 /* --------------------------------------------------------------------------
1958 External (hook): Erase the entire frame
1959 -------------------------------------------------------------------------- */
1960 {
1961 NSView *view = FRAME_NS_VIEW (f);
1962 NSRect r;
1963
1964 NSTRACE (ns_clear_frame);
1965 if (ns_in_resize)
1966 return;
1967
1968 /* comes on initial frame because we have
1969 after-make-frame-functions = select-frame */
1970 if (!FRAME_DEFAULT_FACE (f))
1971 return;
1972
1973 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f)));
1974
1975 output_cursor.hpos = output_cursor.vpos = 0;
1976 output_cursor.x = -1;
1977
1978 r = [view bounds];
1979
1980 BLOCK_INPUT;
1981 ns_focus (f, &r, 1);
1982 [ns_lookup_indexed_color (NS_FACE_BACKGROUND (FRAME_DEFAULT_FACE (f)), f) set];
1983 NSRectFill (r);
1984 ns_unfocus (f);
1985
1986 #ifdef NS_IMPL_COCOA
1987 [[view window] display]; /* redraw resize handle */
1988 #endif
1989
1990 /* as of 2006/11 or so this is now needed */
1991 ns_redraw_scroll_bars (f);
1992 UNBLOCK_INPUT;
1993 }
1994
1995
1996 void
1997 ns_clear_frame_area (struct frame *f, int x, int y, int width, int height)
1998 /* --------------------------------------------------------------------------
1999 External (RIF): Clear section of frame
2000 -------------------------------------------------------------------------- */
2001 {
2002 NSRect r = NSMakeRect (x, y, width, height);
2003 NSView *view = FRAME_NS_VIEW (f);
2004 struct face *face = FRAME_DEFAULT_FACE (f);
2005
2006 if (!view || !face)
2007 return;
2008
2009 NSTRACE (ns_clear_frame_area);
2010
2011 r = NSIntersectionRect (r, [view frame]);
2012 ns_focus (f, &r, 1);
2013 [ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), f) set];
2014
2015 #ifdef NS_IMPL_COCOA
2016 {
2017 /* clip out the resize handle */
2018 NSWindow *window = [FRAME_NS_VIEW (f) window];
2019 NSRect ir
2020 = [view convertRect: ns_resize_handle_rect (window) fromView: nil];
2021
2022 ir = NSIntersectionRect (r, ir);
2023 if (NSIsEmptyRect (ir))
2024 {
2025 #endif
2026
2027 NSRectFill (r);
2028
2029 #ifdef NS_IMPL_COCOA
2030 }
2031 else
2032 {
2033 NSRect r1 = r, r2 = r; /* upper and lower non-intersecting */
2034 r1.size.height -= ir.size.height;
2035 r2.origin.y += r1.size.height;
2036 r2.size.width -= ir.size.width;
2037 r2.size.height = ir.size.height;
2038 NSRectFill (r1);
2039 NSRectFill (r2);
2040 }
2041 }
2042 #endif
2043
2044 ns_unfocus (f);
2045 return;
2046 }
2047
2048
2049 static void
2050 ns_scroll_run (struct window *w, struct run *run)
2051 /* --------------------------------------------------------------------------
2052 External (RIF): Insert or delete n lines at line vpos
2053 -------------------------------------------------------------------------- */
2054 {
2055 struct frame *f = XFRAME (w->frame);
2056 int x, y, width, height, from_y, to_y, bottom_y;
2057
2058 NSTRACE (ns_scroll_run);
2059
2060 /* begin copy from other terms */
2061 /* Get frame-relative bounding box of the text display area of W,
2062 without mode lines. Include in this box the left and right
2063 fringe of W. */
2064 window_box (w, -1, &x, &y, &width, &height);
2065
2066 from_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->current_y);
2067 to_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->desired_y);
2068 bottom_y = y + height;
2069
2070 if (to_y < from_y)
2071 {
2072 /* Scrolling up. Make sure we don't copy part of the mode
2073 line at the bottom. */
2074 if (from_y + run->height > bottom_y)
2075 height = bottom_y - from_y;
2076 else
2077 height = run->height;
2078 }
2079 else
2080 {
2081 /* Scolling down. Make sure we don't copy over the mode line.
2082 at the bottom. */
2083 if (to_y + run->height > bottom_y)
2084 height = bottom_y - to_y;
2085 else
2086 height = run->height;
2087 }
2088 /* end copy from other terms */
2089
2090 if (height == 0)
2091 return;
2092
2093 BLOCK_INPUT;
2094
2095 updated_window = w;
2096 x_clear_cursor (w);
2097
2098 {
2099 NSRect srcRect = NSMakeRect (x, from_y, width, height);
2100 NSRect dstRect = NSMakeRect (x, to_y, width, height);
2101 NSPoint dstOrigin = NSMakePoint (x, to_y);
2102
2103 ns_focus (f, &dstRect, 1);
2104 NSCopyBits (0, srcRect , dstOrigin);
2105 ns_unfocus (f);
2106 }
2107
2108 UNBLOCK_INPUT;
2109 }
2110
2111
2112 static void
2113 ns_after_update_window_line (struct glyph_row *desired_row)
2114 /* --------------------------------------------------------------------------
2115 External (RIF): preparatory to fringe update after text was updated
2116 -------------------------------------------------------------------------- */
2117 {
2118 struct window *w = updated_window;
2119 struct frame *f;
2120 int width, height;
2121
2122 NSTRACE (ns_after_update_window_line);
2123
2124 /* begin copy from other terms */
2125 xassert (w);
2126
2127 if (!desired_row->mode_line_p && !w->pseudo_window_p)
2128 desired_row->redraw_fringe_bitmaps_p = 1;
2129
2130 /* When a window has disappeared, make sure that no rest of
2131 full-width rows stays visible in the internal border.
2132 Under NS this is drawn inside the fringes. */
2133 if (windows_or_buffers_changed
2134 && (f = XFRAME (w->frame),
2135 width = FRAME_INTERNAL_BORDER_WIDTH (f),
2136 width != 0)
2137 && (height = desired_row->visible_height,
2138 height > 0))
2139 {
2140 int y = WINDOW_TO_FRAME_PIXEL_Y (w, max (0, desired_row->y));
2141
2142 /* Internal border is drawn below the tool bar. */
2143 if (WINDOWP (f->tool_bar_window)
2144 && w == XWINDOW (f->tool_bar_window))
2145 y -= width;
2146 /* end copy from other terms */
2147
2148 BLOCK_INPUT;
2149 if (!desired_row->full_width_p)
2150 {
2151 int x1 = WINDOW_LEFT_SCROLL_BAR_AREA_WIDTH (w)
2152 + WINDOW_LEFT_FRINGE_WIDTH (w);
2153 int x2 = WINDOW_LEFT_SCROLL_BAR_AREA_WIDTH (w)
2154 + FRAME_PIXEL_WIDTH (f) - NS_SCROLL_BAR_WIDTH (f)
2155 - WINDOW_RIGHT_FRINGE_WIDTH (w)
2156 - FRAME_INTERNAL_BORDER_WIDTH (f);
2157 ns_clear_frame_area (f, x1, y, width, height);
2158 ns_clear_frame_area (f, x2, y, width, height);
2159 }
2160 UNBLOCK_INPUT;
2161 }
2162 }
2163
2164
2165 static void
2166 ns_shift_glyphs_for_insert (struct frame *f,
2167 int x, int y, int width, int height,
2168 int shift_by)
2169 /* --------------------------------------------------------------------------
2170 External (RIF): copy an area horizontally, don't worry about clearing src
2171 -------------------------------------------------------------------------- */
2172 {
2173 NSRect srcRect = NSMakeRect (x, y, width, height);
2174 NSRect dstRect = NSMakeRect (x+shift_by, y, width, height);
2175 NSPoint dstOrigin = dstRect.origin;
2176
2177 NSTRACE (ns_shift_glyphs_for_insert);
2178
2179 ns_focus (f, &dstRect, 1);
2180 NSCopyBits (0, srcRect, dstOrigin);
2181 ns_unfocus (f);
2182 }
2183
2184
2185
2186 /* ==========================================================================
2187
2188 Character encoding and metrics
2189
2190 ========================================================================== */
2191
2192
2193 static inline void
2194 ns_compute_glyph_string_overhangs (struct glyph_string *s)
2195 /* --------------------------------------------------------------------------
2196 External (RIF); compute left/right overhang of whole string and set in s
2197 -------------------------------------------------------------------------- */
2198 {
2199 struct face *face = FACE_FROM_ID (s->f, s->first_glyph->face_id);
2200 struct font *font = s->font; /*face->font; */
2201
2202 if (s->char2b)
2203 {
2204 struct font_metrics metrics;
2205 unsigned int codes[2];
2206 codes[0] = *(s->char2b);
2207 codes[1] = *(s->char2b + s->nchars - 1);
2208
2209 font->driver->text_extents (font, codes, 2, &metrics);
2210 s->left_overhang = -metrics.lbearing;
2211 s->right_overhang
2212 = metrics.rbearing > metrics.width
2213 ? metrics.rbearing - metrics.width : 0;
2214 }
2215 else
2216 {
2217 s->left_overhang = 0;
2218 s->right_overhang = ((struct nsfont_info *)font)->ital ?
2219 FONT_HEIGHT (font) * 0.2 : 0;
2220 }
2221 }
2222
2223
2224
2225 /* ==========================================================================
2226
2227 Fringe and cursor drawing
2228
2229 ========================================================================== */
2230
2231
2232 extern int max_used_fringe_bitmap;
2233 static void
2234 ns_draw_fringe_bitmap (struct window *w, struct glyph_row *row,
2235 struct draw_fringe_bitmap_params *p)
2236 /* --------------------------------------------------------------------------
2237 External (RIF); fringe-related
2238 -------------------------------------------------------------------------- */
2239 {
2240 struct frame *f = XFRAME (WINDOW_FRAME (w));
2241 struct face *face = p->face;
2242 int rowY;
2243 static EmacsImage **bimgs = NULL;
2244 static int nBimgs = 0;
2245 /* NS-specific: move internal border inside fringe */
2246 int x = p->bx < 0 ? p->x : p->bx;
2247 int wd = p->bx < 0 ? p->wd : p->nx;
2248 BOOL fringeOnVeryLeft
2249 = x - WINDOW_LEFT_SCROLL_BAR_COLS (w) * WINDOW_FRAME_COLUMN_WIDTH (w)
2250 - FRAME_INTERNAL_BORDER_WIDTH (f) < 10;
2251 BOOL fringeOnVeryRight
2252 = FRAME_PIXEL_WIDTH (f) - x - wd - FRAME_INTERNAL_BORDER_WIDTH (f)
2253 - WINDOW_RIGHT_SCROLL_BAR_COLS (w) * WINDOW_FRAME_COLUMN_WIDTH (w) < 10;
2254 int xAdjust = FRAME_INTERNAL_BORDER_WIDTH (f) *
2255 (fringeOnVeryLeft ? -1 : (fringeOnVeryRight ? 1 : 0));
2256
2257 /* grow bimgs if needed */
2258 if (nBimgs < max_used_fringe_bitmap)
2259 {
2260 EmacsImage **newBimgs
2261 = xmalloc (max_used_fringe_bitmap * sizeof (EmacsImage *));
2262 bzero (newBimgs, max_used_fringe_bitmap * sizeof (EmacsImage *));
2263
2264 if (nBimgs)
2265 {
2266 bcopy (bimgs, newBimgs, nBimgs * sizeof (EmacsImage *));
2267 xfree (bimgs);
2268 }
2269
2270 bimgs = newBimgs;
2271 nBimgs = max_used_fringe_bitmap;
2272 }
2273
2274 /* Must clip because of partially visible lines. */
2275 rowY = WINDOW_TO_FRAME_PIXEL_Y (w, row->y);
2276 if (p->y < rowY)
2277 {
2278 /* Adjust position of "bottom aligned" bitmap on partially
2279 visible last row. */
2280 int oldY = row->y;
2281 int oldVH = row->visible_height;
2282 row->visible_height = p->h;
2283 row->y -= rowY - p->y;
2284 ns_clip_to_row (w, row, -1, NO);
2285 row->y = oldY;
2286 row->visible_height = oldVH;
2287 }
2288 else
2289 ns_clip_to_row (w, row, -1, YES);
2290
2291 if (p->bx >= 0 && !p->overlay_p)
2292 {
2293 int yAdjust = rowY - FRAME_INTERNAL_BORDER_WIDTH (f) < 5 ?
2294 -FRAME_INTERNAL_BORDER_WIDTH (f) : 0;
2295 int yIncr = FRAME_PIXEL_HEIGHT (f) - (p->by+yAdjust + p->ny) < 5 ?
2296 FRAME_INTERNAL_BORDER_WIDTH (f) : 0;
2297 if (yAdjust)
2298 yIncr += FRAME_INTERNAL_BORDER_WIDTH (f);
2299 NSRect r = NSMakeRect (p->bx+xAdjust, p->by+yAdjust, p->nx, p->ny+yIncr);
2300 NSRectClip (r);
2301 [ns_lookup_indexed_color(face->background, f) set];
2302 NSRectFill (r);
2303 }
2304
2305 if (p->which)
2306 {
2307 NSRect r = NSMakeRect (p->x+xAdjust, p->y, p->wd, p->h);
2308 NSPoint pt = r.origin;
2309 EmacsImage *img = bimgs[p->which - 1];
2310
2311 if (!img)
2312 {
2313 unsigned short *bits = p->bits + p->dh;
2314 int len = 8 * p->h/8;
2315 int i;
2316 unsigned char *cbits = xmalloc (len);
2317
2318 for (i =0; i<len; i++)
2319 cbits[i] = ~(bits[i] & 0xff);
2320 img = [[EmacsImage alloc] initFromXBM: cbits width: 8 height: p->h
2321 flip: NO];
2322 bimgs[p->which - 1] = img;
2323 xfree (cbits);
2324 }
2325
2326 NSRectClip (r);
2327 /* Since we composite the bitmap instead of just blitting it, we need
2328 to erase the whole background. */
2329 [ns_lookup_indexed_color(face->background, f) set];
2330 NSRectFill (r);
2331 pt.y += p->h;
2332 [img setXBMColor: ns_lookup_indexed_color(face->foreground, f)];
2333 [img compositeToPoint: pt operation: NSCompositeSourceOver];
2334 }
2335 ns_unfocus (f);
2336 }
2337
2338
2339 void
2340 ns_draw_window_cursor (struct window *w, struct glyph_row *glyph_row,
2341 int x, int y, int cursor_type, int cursor_width,
2342 int on_p, int active_p)
2343 /* --------------------------------------------------------------------------
2344 External call (RIF): draw cursor
2345 (modeled after x_draw_window_cursor
2346 FIXME: cursor_width is effectively bogus -- it sometimes gets set
2347 in xdisp.c set_frame_cursor_types, sometimes left uninitialized;
2348 DON'T USE IT (no other terms do)
2349 -------------------------------------------------------------------------- */
2350 {
2351 NSRect r, s;
2352 int fx, fy, h;
2353 struct frame *f = WINDOW_XFRAME (w);
2354 struct glyph *phys_cursor_glyph;
2355 int overspill, cursorToDraw;
2356
2357 NSTRACE (dumpcursor);
2358 //fprintf(stderr, "drawcursor (%d,%d) activep = %d\tonp = %d\tc_type = %d\twidth = %d\n",x,y, active_p,on_p,cursor_type,cursor_width);
2359
2360 if (!on_p)
2361 return;
2362
2363 w->phys_cursor_type = cursor_type;
2364 w->phys_cursor_on_p = on_p;
2365
2366 if (cursor_type == NO_CURSOR)
2367 {
2368 w->phys_cursor_width = 0;
2369 return;
2370 }
2371
2372 if ((phys_cursor_glyph = get_phys_cursor_glyph (w)) == NULL)
2373 {
2374 if (glyph_row->exact_window_width_line_p
2375 && w->phys_cursor.hpos >= glyph_row->used[TEXT_AREA])
2376 {
2377 glyph_row->cursor_in_fringe_p = 1;
2378 draw_fringe_bitmap (w, glyph_row, 0);
2379 }
2380 return;
2381 }
2382
2383 get_phys_cursor_geometry (w, glyph_row, phys_cursor_glyph, &fx, &fy, &h);
2384
2385 r.origin.x = fx, r.origin.y = fy;
2386 r.size.height = h;
2387 r.size.width = w->phys_cursor_width;
2388
2389 /* FIXME: if we overwrite the internal border area, it does not get erased;
2390 fix by truncating cursor, but better would be to erase properly */
2391 overspill = r.origin.x + r.size.width -
2392 WINDOW_TEXT_TO_FRAME_PIXEL_X (w, WINDOW_BOX_RIGHT_EDGE_X (w)
2393 - WINDOW_TOTAL_FRINGE_WIDTH (w) - FRAME_INTERNAL_BORDER_WIDTH (f));
2394 if (overspill > 0)
2395 r.size.width -= overspill;
2396
2397 /* TODO: only needed in rare cases with last-resort font in HELLO..
2398 should we do this more efficiently? */
2399 ns_clip_to_row (w, glyph_row, -1, NO); /* do ns_focus(f, &r, 1); if remove */
2400 [FRAME_CURSOR_COLOR (f) set];
2401
2402 #ifdef NS_IMPL_COCOA
2403 /* TODO: This makes drawing of cursor plus that of phys_cursor_glyph
2404 atomic. Cleaner ways of doing this should be investigated.
2405 One way would be to set a global variable DRAWING_CURSOR
2406 when making the call to draw_phys..(), don't focus in that
2407 case, then move the ns_unfocus() here after that call. */
2408 NSDisableScreenUpdates ();
2409 #endif
2410
2411 cursorToDraw = active_p ? cursor_type : HOLLOW_BOX_CURSOR;
2412 switch (cursorToDraw)
2413 {
2414 case NO_CURSOR:
2415 break;
2416 case FILLED_BOX_CURSOR:
2417 NSRectFill (r);
2418 break;
2419 case HOLLOW_BOX_CURSOR:
2420 NSRectFill (r);
2421 [FRAME_BACKGROUND_COLOR (f) set];
2422 NSRectFill (NSInsetRect (r, 1, 1));
2423 [FRAME_CURSOR_COLOR (f) set];
2424 break;
2425 case HBAR_CURSOR:
2426 s = r;
2427 s.origin.y += lrint (0.75 * s.size.height);
2428 s.size.height = lrint (s.size.height * 0.25);
2429 NSRectFill (s);
2430 break;
2431 case BAR_CURSOR:
2432 s = r;
2433 s.size.width = min (cursor_width, 2); //FIXME(see above)
2434 NSRectFill (s);
2435 break;
2436 }
2437 ns_unfocus (f);
2438
2439 /* draw the character under the cursor */
2440 if (cursorToDraw != NO_CURSOR)
2441 draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR);
2442
2443 #ifdef NS_IMPL_COCOA
2444 NSEnableScreenUpdates ();
2445 #endif
2446
2447 }
2448
2449
2450 static void
2451 ns_draw_vertical_window_border (struct window *w, int x, int y0, int y1)
2452 /* --------------------------------------------------------------------------
2453 External (RIF): Draw a vertical line.
2454 -------------------------------------------------------------------------- */
2455 {
2456 struct frame *f = XFRAME (WINDOW_FRAME (w));
2457 struct face *face;
2458 NSRect r = NSMakeRect (x, y0, 1, y1-y0);
2459
2460 NSTRACE (ns_draw_vertical_window_border);
2461
2462 face = FACE_FROM_ID (f, VERTICAL_BORDER_FACE_ID);
2463 if (face)
2464 [ns_lookup_indexed_color(face->foreground, f) set];
2465
2466 ns_focus (f, &r, 1);
2467 NSRectFill(r);
2468 ns_unfocus (f);
2469 }
2470
2471
2472 void
2473 show_hourglass (struct atimer *timer)
2474 {
2475 if (hourglass_shown_p)
2476 return;
2477
2478 BLOCK_INPUT;
2479
2480 /* TODO: add NSProgressIndicator to selected frame (see macfns.c) */
2481
2482 hourglass_shown_p = 1;
2483 UNBLOCK_INPUT;
2484 }
2485
2486
2487 void
2488 hide_hourglass ()
2489 {
2490 if (!hourglass_shown_p)
2491 return;
2492
2493 BLOCK_INPUT;
2494
2495 /* TODO: remove NSProgressIndicator from all frames */
2496
2497 hourglass_shown_p = 0;
2498 UNBLOCK_INPUT;
2499 }
2500
2501
2502
2503 /* ==========================================================================
2504
2505 Glyph drawing operations
2506
2507 ========================================================================== */
2508
2509
2510 static inline NSRect
2511 ns_fix_rect_ibw (NSRect r, int fibw, int frame_pixel_width)
2512 /* --------------------------------------------------------------------------
2513 Under NS we draw internal borders inside fringes, and want full-width
2514 rendering to go all the way to edge. This function makes that correction.
2515 -------------------------------------------------------------------------- */
2516 {
2517 if (r.origin.y <= fibw+1)
2518 {
2519 r.size.height += r.origin.y;
2520 r.origin.y = 0;
2521 }
2522 if (r.origin.x <= fibw+1)
2523 {
2524 r.size.width += r.origin.x;
2525 r.origin.x = 0;
2526 }
2527 if (frame_pixel_width - (r.origin.x+r.size.width) <= fibw+1)
2528 r.size.width += fibw;
2529
2530 return r;
2531 }
2532
2533
2534 static int
2535 ns_get_glyph_string_clip_rect (struct glyph_string *s, NativeRectangle *nr)
2536 /* --------------------------------------------------------------------------
2537 Wrapper utility to account for internal border width on full-width lines,
2538 and allow top full-width rows to hit the frame top. nr should be pointer
2539 to two successive NSRects. Number of rects actually used is returned.
2540 -------------------------------------------------------------------------- */
2541 {
2542 int n = get_glyph_string_clip_rects (s, nr, 2);
2543 if (s->row->full_width_p)
2544 {
2545 *nr = ns_fix_rect_ibw (*nr, FRAME_INTERNAL_BORDER_WIDTH (s->f),
2546 FRAME_PIXEL_WIDTH (s->f));
2547 if (n == 2)
2548 *nr = ns_fix_rect_ibw (*(nr+1), FRAME_INTERNAL_BORDER_WIDTH (s->f),
2549 FRAME_PIXEL_WIDTH (s->f));
2550 }
2551 return n;
2552 }
2553
2554
2555 static void
2556 ns_draw_box (NSRect r, float thickness, NSColor *col, char left_p, char right_p)
2557 /* --------------------------------------------------------------------------
2558 Draw an unfilled rect inside r, optionally leaving left and/or right open.
2559 Note we can't just use an NSDrawRect command, because of the possibility
2560 of some sides not being drawn, and because the rect will be filled.
2561 -------------------------------------------------------------------------- */
2562 {
2563 NSRect s = r;
2564 [col set];
2565
2566 /* top, bottom */
2567 s.size.height = thickness;
2568 NSRectFill (s);
2569 s.origin.y += r.size.height - thickness;
2570 NSRectFill (s);
2571
2572 s.size.height = r.size.height;
2573 s.origin.y = r.origin.y;
2574
2575 /* left, right (optional) */
2576 s.size.width = thickness;
2577 if (left_p)
2578 NSRectFill (s);
2579 if (right_p)
2580 {
2581 s.origin.x += r.size.width - thickness;
2582 NSRectFill (s);
2583 }
2584 }
2585
2586
2587 static void
2588 ns_draw_relief (NSRect r, int thickness, char raised_p,
2589 char top_p, char bottom_p, char left_p, char right_p,
2590 struct glyph_string *s)
2591 /* --------------------------------------------------------------------------
2592 Draw a relief rect inside r, optionally leaving some sides open.
2593 Note we can't just use an NSDrawBezel command, because of the possibility
2594 of some sides not being drawn, and because the rect will be filled.
2595 -------------------------------------------------------------------------- */
2596 {
2597 static NSColor *baseCol = nil, *lightCol = nil, *darkCol = nil;
2598 NSColor *newBaseCol = nil;
2599 NSRect sr = r;
2600
2601 NSTRACE (ns_draw_relief);
2602
2603 /* set up colors */
2604
2605 if (s->face->use_box_color_for_shadows_p)
2606 {
2607 newBaseCol = ns_lookup_indexed_color (s->face->box_color, s->f);
2608 }
2609 /* else if (s->first_glyph->type == IMAGE_GLYPH
2610 && s->img->pixmap
2611 && !IMAGE_BACKGROUND_TRANSPARENT (s->img, s->f, 0))
2612 {
2613 newBaseCol = IMAGE_BACKGROUND (s->img, s->f, 0);
2614 } */
2615 else
2616 {
2617 newBaseCol = ns_lookup_indexed_color (s->face->background, s->f);
2618 }
2619
2620 if (newBaseCol == nil)
2621 newBaseCol = [NSColor grayColor];
2622
2623 if (newBaseCol != baseCol) /* TODO: better check */
2624 {
2625 [baseCol release];
2626 baseCol = [newBaseCol retain];
2627 [lightCol release];
2628 lightCol = [[baseCol highlightWithLevel: 0.2] retain];
2629 [darkCol release];
2630 darkCol = [[baseCol shadowWithLevel: 0.3] retain];
2631 }
2632
2633 [(raised_p ? lightCol : darkCol) set];
2634
2635 /* TODO: mitering. Using NSBezierPath doesn't work because of color switch. */
2636
2637 /* top */
2638 sr.size.height = thickness;
2639 if (top_p) NSRectFill (sr);
2640
2641 /* left */
2642 sr.size.height = r.size.height;
2643 sr.size.width = thickness;
2644 if (left_p) NSRectFill (sr);
2645
2646 [(raised_p ? darkCol : lightCol) set];
2647
2648 /* bottom */
2649 sr.size.width = r.size.width;
2650 sr.size.height = thickness;
2651 sr.origin.y += r.size.height - thickness;
2652 if (bottom_p) NSRectFill (sr);
2653
2654 /* right */
2655 sr.size.height = r.size.height;
2656 sr.origin.y = r.origin.y;
2657 sr.size.width = thickness;
2658 sr.origin.x += r.size.width - thickness;
2659 if (right_p) NSRectFill (sr);
2660 }
2661
2662
2663 static void
2664 ns_dumpglyphs_box_or_relief (struct glyph_string *s)
2665 /* --------------------------------------------------------------------------
2666 Function modeled after x_draw_glyph_string_box ().
2667 Sets up parameters for drawing.
2668 -------------------------------------------------------------------------- */
2669 {
2670 int right_x, last_x;
2671 char left_p, right_p;
2672 struct glyph *last_glyph;
2673 NSRect r;
2674 int thickness;
2675 struct face *face;
2676
2677 if (s->hl == DRAW_MOUSE_FACE)
2678 {
2679 face = FACE_FROM_ID
2680 (s->f, FRAME_NS_DISPLAY_INFO (s->f)->mouse_face_face_id);
2681 if (!face)
2682 face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
2683 }
2684 else
2685 face = s->face;
2686
2687 thickness = face->box_line_width;
2688
2689 NSTRACE (ns_dumpglyphs_box_or_relief);
2690
2691 last_x = ((s->row->full_width_p && !s->w->pseudo_window_p)
2692 ? WINDOW_RIGHT_EDGE_X (s->w)
2693 : window_box_right (s->w, s->area));
2694 last_glyph = (s->cmp || s->img
2695 ? s->first_glyph : s->first_glyph + s->nchars-1);
2696
2697 right_x = ((s->row->full_width_p && s->extends_to_end_of_line_p
2698 ? last_x - 1 : min (last_x, s->x + s->background_width) - 1));
2699
2700 left_p = (s->first_glyph->left_box_line_p
2701 || (s->hl == DRAW_MOUSE_FACE
2702 && (s->prev == NULL || s->prev->hl != s->hl)));
2703 right_p = (last_glyph->right_box_line_p
2704 || (s->hl == DRAW_MOUSE_FACE
2705 && (s->next == NULL || s->next->hl != s->hl)));
2706
2707 r = NSMakeRect (s->x, s->y, right_x - s->x + 1, s->height);
2708
2709 /* expand full-width row over internal borders */
2710 if (s->row->full_width_p)
2711 r = ns_fix_rect_ibw (r, FRAME_INTERNAL_BORDER_WIDTH (s->f),
2712 FRAME_PIXEL_WIDTH (s->f));
2713
2714 if (s->face->box == FACE_SIMPLE_BOX)
2715 {
2716 xassert (s->face->box_color != nil);
2717 ns_draw_box (r, abs (thickness),
2718 ns_lookup_indexed_color (face->box_color, s->f),
2719 left_p, right_p);
2720 }
2721 else
2722 {
2723 ns_draw_relief (r, abs (thickness), s->face->box == FACE_RAISED_BOX,
2724 1, 1, left_p, right_p, s);
2725 }
2726 }
2727
2728
2729 static void
2730 ns_maybe_dumpglyphs_background (struct glyph_string *s, char force_p)
2731 /* --------------------------------------------------------------------------
2732 Modeled after x_draw_glyph_string_background, which draws BG in
2733 certain cases. Others are left to the text rendering routine.
2734 -------------------------------------------------------------------------- */
2735 {
2736 NSTRACE (ns_maybe_dumpglyphs_background);
2737
2738 if (!s->background_filled_p/* || s->hl == DRAW_MOUSE_FACE*/)
2739 {
2740 int box_line_width = max (s->face->box_line_width, 0);
2741 if (FONT_HEIGHT (s->font) < s->height - 2 * box_line_width
2742 || s->font_not_found_p || s->extends_to_end_of_line_p || force_p)
2743 {
2744 struct face *face;
2745 if (s->hl == DRAW_MOUSE_FACE)
2746 {
2747 face = FACE_FROM_ID
2748 (s->f, FRAME_NS_DISPLAY_INFO (s->f)->mouse_face_face_id);
2749 if (!face)
2750 face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
2751 }
2752 else
2753 face = FACE_FROM_ID (s->f, s->first_glyph->face_id);
2754 if (!face->stipple)
2755 [(NS_FACE_BACKGROUND (face) != 0
2756 ? ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), s->f)
2757 : FRAME_BACKGROUND_COLOR (s->f)) set];
2758 else
2759 {
2760 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (s->f);
2761 [[dpyinfo->bitmaps[face->stipple-1].img stippleMask] set];
2762 }
2763
2764 if (s->hl != DRAW_CURSOR)
2765 {
2766 NSRect r = NSMakeRect (s->x, s->y + box_line_width,
2767 s->background_width,
2768 s->height-2*box_line_width);
2769
2770 /* expand full-width row over internal borders */
2771 if (s->row->full_width_p)
2772 {
2773 int fibw = FRAME_INTERNAL_BORDER_WIDTH (s->f);
2774 if (r.origin.y <= fibw+1 + box_line_width)
2775 {
2776 r.size.height += r.origin.y;
2777 r.origin.y = 0;
2778 }
2779 if (r.origin.x <= fibw+1)
2780 {
2781 r.size.width += 2*r.origin.x;
2782 r.origin.x = 0;
2783 }
2784 if (FRAME_PIXEL_WIDTH (s->f) - (r.origin.x + r.size.width)
2785 <= fibw+1)
2786 r.size.width += fibw;
2787 }
2788
2789 NSRectFill (r);
2790 }
2791
2792 s->background_filled_p = 1;
2793 }
2794 }
2795 }
2796
2797
2798 static void
2799 ns_dumpglyphs_image (struct glyph_string *s, NSRect r)
2800 /* --------------------------------------------------------------------------
2801 Renders an image and associated borders.
2802 -------------------------------------------------------------------------- */
2803 {
2804 EmacsImage *img = s->img->pixmap;
2805 int box_line_vwidth = max (s->face->box_line_width, 0);
2806 int x = s->x, y = s->ybase - image_ascent (s->img, s->face, &s->slice);
2807 int bg_x, bg_y, bg_height;
2808 int th;
2809 char raised_p;
2810 NSRect br;
2811 struct face *face;
2812
2813 NSTRACE (ns_dumpglyphs_image);
2814
2815 if (s->face->box != FACE_NO_BOX
2816 && s->first_glyph->left_box_line_p && s->slice.x == 0)
2817 x += abs (s->face->box_line_width);
2818
2819 bg_x = x;
2820 bg_y = s->slice.y == 0 ? s->y : s->y + box_line_vwidth;
2821 bg_height = s->height;
2822 /* other terms have this, but was causing problems w/tabbar mode */
2823 /* - 2 * box_line_vwidth; */
2824
2825 if (s->slice.x == 0) x += s->img->hmargin;
2826 if (s->slice.y == 0) y += s->img->vmargin;
2827
2828 /* Draw BG: if we need larger area than image itself cleared, do that,
2829 otherwise, since we composite the image under NS (instead of mucking
2830 with its background color), we must clear just the image area. */
2831 if (s->hl == DRAW_MOUSE_FACE)
2832 {
2833 face = FACE_FROM_ID
2834 (s->f, FRAME_NS_DISPLAY_INFO (s->f)->mouse_face_face_id);
2835 if (!face)
2836 face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
2837 }
2838 else
2839 face = FACE_FROM_ID (s->f, s->first_glyph->face_id);
2840
2841 [ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), s->f) set];
2842
2843 if (bg_height > s->slice.height || s->img->hmargin || s->img->vmargin
2844 || s->img->mask || s->img->pixmap == 0 || s->width != s->background_width)
2845 {
2846 br = NSMakeRect (bg_x, bg_y, s->background_width, bg_height);
2847 s->background_filled_p = 1;
2848 }
2849 else
2850 {
2851 br = NSMakeRect (x, y, s->slice.width, s->slice.height);
2852 }
2853
2854 /* expand full-width row over internal borders */
2855 if (s->row->full_width_p)
2856 {
2857 int fibw = FRAME_INTERNAL_BORDER_WIDTH (s->f);
2858 if (br.origin.y <= fibw+1 + box_line_vwidth)
2859 {
2860 br.size.height += br.origin.y;
2861 br.origin.y = 0;
2862 }
2863 if (br.origin.x <= fibw+1 + box_line_vwidth)
2864 {
2865 br.size.width += br.origin.x;
2866 br.origin.x = 0;
2867 }
2868 if (FRAME_PIXEL_WIDTH (s->f) - (br.origin.x + br.size.width) <= fibw+1)
2869 br.size.width += fibw;
2870 }
2871
2872 NSRectFill (br);
2873
2874 /* Draw the image.. do we need to draw placeholder if img ==nil? */
2875 if (img != nil)
2876 [img compositeToPoint: NSMakePoint (x, y + s->slice.height)
2877 operation: NSCompositeSourceOver];
2878
2879 /* Draw relief, if requested */
2880 if (s->img->relief || s->hl ==DRAW_IMAGE_RAISED || s->hl ==DRAW_IMAGE_SUNKEN)
2881 {
2882 if (s->hl == DRAW_IMAGE_SUNKEN || s->hl == DRAW_IMAGE_RAISED)
2883 {
2884 th = tool_bar_button_relief >= 0 ?
2885 tool_bar_button_relief : DEFAULT_TOOL_BAR_BUTTON_RELIEF;
2886 raised_p = (s->hl == DRAW_IMAGE_RAISED);
2887 }
2888 else
2889 {
2890 th = abs (s->img->relief);
2891 raised_p = (s->img->relief > 0);
2892 }
2893
2894 r.origin.x = x - th;
2895 r.origin.y = y - th;
2896 r.size.width = s->slice.width + 2*th-1;
2897 r.size.height = s->slice.height + 2*th-1;
2898 ns_draw_relief (r, th, raised_p,
2899 s->slice.y == 0,
2900 s->slice.y + s->slice.height == s->img->height,
2901 s->slice.x == 0,
2902 s->slice.x + s->slice.width == s->img->width, s);
2903 }
2904 }
2905
2906
2907 static void
2908 ns_dumpglyphs_stretch (struct glyph_string *s)
2909 {
2910 NSRect r[2];
2911 int n, i;
2912 struct face *face;
2913
2914 if (!s->background_filled_p)
2915 {
2916 n = ns_get_glyph_string_clip_rect (s, r);
2917 *r = NSMakeRect (s->x, s->y, s->background_width, s->height);
2918
2919 for (i=0; i<n; i++)
2920 {
2921 if (!s->row->full_width_p)
2922 {
2923 /* truncate to avoid overwriting fringe and/or scrollbar */
2924 int overrun = max (0, (s->x + s->background_width)
2925 - (WINDOW_BOX_RIGHT_EDGE_X (s->w)
2926 - WINDOW_RIGHT_FRINGE_WIDTH (s->w)));
2927 r[i].size.width -= overrun;
2928
2929 /* XXX: Try to work between problem where a stretch glyph on
2930 a partially-visible bottom row will clear part of the
2931 modeline, and another where list-buffers headers and similar
2932 rows erroneously have visible_height set to 0. Not sure
2933 where this is coming from as other terms seem not to show. */
2934 r[i].size.height = min (s->height, s->row->visible_height);
2935 }
2936
2937 /* expand full-width rows over internal borders */
2938 else
2939 {
2940 r[i] = ns_fix_rect_ibw (r[i], FRAME_INTERNAL_BORDER_WIDTH (s->f),
2941 FRAME_PIXEL_WIDTH (s->f));
2942 }
2943
2944 /* NOTE: under NS this is NOT used to draw cursors, but we must avoid
2945 overwriting cursor (usually when cursor on a tab) */
2946 if (s->hl == DRAW_CURSOR)
2947 {
2948 r[i].origin.x += s->width;
2949 r[i].size.width -= s->width;
2950 }
2951 }
2952
2953 ns_focus (s->f, r, n);
2954
2955 if (s->hl == DRAW_MOUSE_FACE)
2956 {
2957 face = FACE_FROM_ID
2958 (s->f, FRAME_NS_DISPLAY_INFO (s->f)->mouse_face_face_id);
2959 if (!face)
2960 face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
2961 }
2962 else
2963 face = FACE_FROM_ID (s->f, s->first_glyph->face_id);
2964
2965 [ns_lookup_indexed_color (NS_FACE_BACKGROUND (face), s->f) set];
2966
2967 NSRectFill (r[0]);
2968 NSRectFill (r[1]);
2969 ns_unfocus (s->f);
2970 s->background_filled_p = 1;
2971 }
2972 }
2973
2974
2975 static void
2976 ns_draw_glyph_string (struct glyph_string *s)
2977 /* --------------------------------------------------------------------------
2978 External (RIF): Main draw-text call.
2979 -------------------------------------------------------------------------- */
2980 {
2981 /* TODO (optimize): focus for box and contents draw */
2982 NSRect r[2];
2983 int n;
2984 char box_drawn_p = 0;
2985
2986 NSTRACE (ns_draw_glyph_string);
2987
2988 if (s->next && s->right_overhang && !s->for_overlaps/*&&s->hl!=DRAW_CURSOR*/)
2989 {
2990 int width;
2991 struct glyph_string *next;
2992
2993 for (width = 0, next = s->next;
2994 next && width < s->right_overhang;
2995 width += next->width, next = next->next)
2996 if (next->first_glyph->type != IMAGE_GLYPH)
2997 {
2998 if (next->first_glyph->type != STRETCH_GLYPH)
2999 {
3000 n = ns_get_glyph_string_clip_rect (s->next, r);
3001 ns_focus (s->f, r, n);
3002 ns_maybe_dumpglyphs_background (s->next, 1);
3003 ns_unfocus (s->f);
3004 }
3005 else
3006 {
3007 ns_dumpglyphs_stretch (s->next);
3008 }
3009 next->num_clips = 0;
3010 }
3011 }
3012
3013 if (!s->for_overlaps && s->face->box != FACE_NO_BOX
3014 && (s->first_glyph->type == CHAR_GLYPH
3015 || s->first_glyph->type == COMPOSITE_GLYPH))
3016 {
3017 n = ns_get_glyph_string_clip_rect (s, r);
3018 ns_focus (s->f, r, n);
3019 ns_maybe_dumpglyphs_background (s, 1);
3020 ns_dumpglyphs_box_or_relief (s);
3021 ns_unfocus (s->f);
3022 box_drawn_p = 1;
3023 }
3024
3025 switch (s->first_glyph->type)
3026 {
3027
3028 case IMAGE_GLYPH:
3029 n = ns_get_glyph_string_clip_rect (s, r);
3030 ns_focus (s->f, r, n);
3031 ns_dumpglyphs_image (s, r[0]);
3032 ns_unfocus (s->f);
3033 break;
3034
3035 case STRETCH_GLYPH:
3036 ns_dumpglyphs_stretch (s);
3037 break;
3038
3039 case CHAR_GLYPH:
3040 case COMPOSITE_GLYPH:
3041 n = ns_get_glyph_string_clip_rect (s, r);
3042 ns_focus (s->f, r, n);
3043
3044 if (s->for_overlaps || (s->cmp_from > 0
3045 && ! s->first_glyph->u.cmp.automatic))
3046 s->background_filled_p = 1;
3047 else /* 1 */
3048 ns_maybe_dumpglyphs_background
3049 (s, s->first_glyph->type == COMPOSITE_GLYPH);
3050
3051 ns_tmp_flags = s->hl == DRAW_CURSOR ? NS_DUMPGLYPH_CURSOR :
3052 (s->hl == DRAW_MOUSE_FACE ? NS_DUMPGLYPH_MOUSEFACE :
3053 (s->for_overlaps ? NS_DUMPGLYPH_FOREGROUND :
3054 NS_DUMPGLYPH_NORMAL));
3055 ns_tmp_font = (struct nsfont_info *)s->face->font;
3056 if (ns_tmp_font == NULL)
3057 ns_tmp_font = (struct nsfont_info *)FRAME_FONT (s->f);
3058
3059 ns_tmp_font->font.driver->draw
3060 (s, 0, s->nchars, s->x, s->y,
3061 (ns_tmp_flags == NS_DUMPGLYPH_NORMAL && !s->background_filled_p)
3062 || ns_tmp_flags == NS_DUMPGLYPH_MOUSEFACE);
3063
3064 ns_unfocus (s->f);
3065 break;
3066
3067 default:
3068 abort ();
3069 }
3070
3071 /* Draw box if not done already. */
3072 if (!s->for_overlaps && !box_drawn_p && s->face->box != FACE_NO_BOX)
3073 {
3074 n = ns_get_glyph_string_clip_rect (s, r);
3075 ns_focus (s->f, r, n);
3076 ns_dumpglyphs_box_or_relief (s);
3077 ns_unfocus (s->f);
3078 }
3079
3080 s->num_clips = 0;
3081 }
3082
3083
3084
3085 /* ==========================================================================
3086
3087 Event loop
3088
3089 ========================================================================== */
3090
3091
3092 static void
3093 ns_send_appdefined (int value)
3094 /* --------------------------------------------------------------------------
3095 Internal: post an appdefined event which EmacsApp-sendEvent will
3096 recognize and take as a command to halt the event loop.
3097 -------------------------------------------------------------------------- */
3098 {
3099 /*NSTRACE (ns_send_appdefined); */
3100
3101 /* Only post this event if we haven't already posted one. This will end
3102 the [NXApp run] main loop after having processed all events queued at
3103 this moment. */
3104 if (send_appdefined)
3105 {
3106 NSEvent *nxev;
3107
3108 /* We only need one NX_APPDEFINED event to stop NXApp from running. */
3109 send_appdefined = NO;
3110
3111 /* Don't need wakeup timer any more */
3112 if (timed_entry)
3113 {
3114 [timed_entry invalidate];
3115 [timed_entry release];
3116 timed_entry = nil;
3117 }
3118
3119 /* Ditto for file descriptor poller */
3120 if (fd_entry)
3121 {
3122 [fd_entry invalidate];
3123 [fd_entry release];
3124 fd_entry = nil;
3125 }
3126
3127 nxev = [NSEvent otherEventWithType: NSApplicationDefined
3128 location: NSMakePoint (0, 0)
3129 modifierFlags: 0
3130 timestamp: 0
3131 windowNumber: [[NSApp mainWindow] windowNumber]
3132 context: [NSApp context]
3133 subtype: 0
3134 data1: value
3135 data2: 0];
3136
3137 /* Post an application defined event on the event queue. When this is
3138 received the [NXApp run] will return, thus having processed all
3139 events which are currently queued. */
3140 [NSApp postEvent: nxev atStart: NO];
3141 }
3142 }
3143
3144
3145 static int
3146 ns_read_socket (struct terminal *terminal, int expected,
3147 struct input_event *hold_quit)
3148 /* --------------------------------------------------------------------------
3149 External (hook): Post an event to ourself and keep reading events until
3150 we read it back again. In effect process all events which were waiting.
3151 From 21+ we have to manage the event buffer ourselves.
3152 -------------------------------------------------------------------------- */
3153 {
3154 struct input_event ev;
3155 int nevents;
3156
3157 /* NSTRACE (ns_read_socket); */
3158
3159 if (interrupt_input_blocked)
3160 {
3161 interrupt_input_pending = 1;
3162 #ifdef SYNC_INPUT
3163 pending_signals = 1;
3164 #endif
3165 return -1;
3166 }
3167
3168 interrupt_input_pending = 0;
3169 #ifdef SYNC_INPUT
3170 pending_signals = pending_atimers;
3171 #endif
3172
3173 BLOCK_INPUT;
3174 n_emacs_events_pending = 0;
3175 EVENT_INIT (ev);
3176 emacs_event = &ev;
3177 q_event_ptr = hold_quit;
3178
3179 /* we manage autorelease pools by allocate/reallocate each time around
3180 the loop; strict nesting is occasionally violated but seems not to
3181 matter.. earlier methods using full nesting caused major memory leaks */
3182 [outerpool release];
3183 outerpool = [[NSAutoreleasePool alloc] init];
3184
3185 /* If have pending open-file requests, attend to the next one of those. */
3186 if (ns_pending_files && [ns_pending_files count] != 0
3187 && [(EmacsApp *)NSApp openFile: [ns_pending_files objectAtIndex: 0]])
3188 {
3189 [ns_pending_files removeObjectAtIndex: 0];
3190 }
3191 /* Deal with pending service requests. */
3192 else if (ns_pending_service_names && [ns_pending_service_names count] != 0
3193 && [(EmacsApp *)
3194 NSApp fulfillService: [ns_pending_service_names objectAtIndex: 0]
3195 withArg: [ns_pending_service_args objectAtIndex: 0]])
3196 {
3197 [ns_pending_service_names removeObjectAtIndex: 0];
3198 [ns_pending_service_args removeObjectAtIndex: 0];
3199 }
3200 else
3201 {
3202 /* Run and wait for events. We must always send one NX_APPDEFINED event
3203 to ourself, otherwise [NXApp run] will never exit. */
3204 send_appdefined = YES;
3205
3206 /* If called via ns_select, this is called once with expected=1,
3207 because we expect either the timeout or file descriptor activity.
3208 In this case the first event through will either be real input or
3209 one of these. read_avail_input() then calls once more with expected=0
3210 and in that case we need to return quickly if there is nothing.
3211 If we're being called outside of that, it's also OK to return quickly
3212 after one iteration through the event loop, since other terms do
3213 this and emacs expects it. */
3214 if (!(inNsSelect && expected)) // (!inNsSelect || !expected)
3215 {
3216 /* Post an application defined event on the event queue. When this is
3217 received the [NXApp run] will return, thus having processed all
3218 events which are currently queued, if any. */
3219 ns_send_appdefined (-1);
3220 }
3221
3222 [NSApp run];
3223 }
3224
3225 nevents = n_emacs_events_pending;
3226 n_emacs_events_pending = 0;
3227 emacs_event = q_event_ptr = NULL;
3228 UNBLOCK_INPUT;
3229
3230 return nevents;
3231 }
3232
3233
3234 int
3235 ns_select (int nfds, fd_set *readfds, fd_set *writefds,
3236 fd_set *exceptfds, struct timeval *timeout)
3237 /* --------------------------------------------------------------------------
3238 Replacement for select, checking for events
3239 -------------------------------------------------------------------------- */
3240 {
3241 int result;
3242 double time;
3243 NSEvent *ev;
3244 /* NSTRACE (ns_select); */
3245
3246 if (NSApp == nil || inNsSelect == 1 /* || ([NSApp isActive] == NO &&
3247 [NSApp nextEventMatchingMask:NSAnyEventMask untilDate:nil
3248 inMode:NSDefaultRunLoopMode dequeue:NO] == nil) */)
3249 return select (nfds, readfds, writefds, exceptfds, timeout);
3250
3251 /* Save file descriptor set, which gets overwritten in calls to select ()
3252 Note, this is called from process.c, and only readfds is ever set */
3253 if (readfds)
3254 {
3255 memcpy (&select_readfds, readfds, sizeof (fd_set));
3256 select_nfds = nfds;
3257 }
3258 else
3259 select_nfds = 0;
3260
3261 /* Try an initial select for pending data on input files */
3262 select_timeout.tv_sec = select_timeout.tv_usec = 0;
3263 result = select (nfds, readfds, writefds, exceptfds, &select_timeout);
3264 if (result)
3265 return result;
3266
3267 /* if (!timeout || timed_entry || fd_entry)
3268 fprintf (stderr, "assertion failed: timeout null or timed_entry/fd_entry non-null in ns_select\n"); */
3269
3270 /* set a timeout and run the main AppKit event loop while continuing
3271 to monitor the files */
3272 time = ((double) timeout->tv_sec) + ((double) timeout->tv_usec)/1000000.0;
3273 timed_entry = [[NSTimer scheduledTimerWithTimeInterval: time
3274 target: NSApp
3275 selector: @selector (timeout_handler:)
3276 userInfo: 0
3277 repeats: YES] /* for safe removal */
3278 retain];
3279
3280 /* set a periodic task to try the select () again */
3281 fd_entry = [[NSTimer scheduledTimerWithTimeInterval: 0.1
3282 target: NSApp
3283 selector: @selector (fd_handler:)
3284 userInfo: 0
3285 repeats: YES]
3286 retain];
3287
3288 /* Let Application dispatch events until it receives an event of the type
3289 NX_APPDEFINED, which should only be sent by timeout_handler.
3290 We tell read_avail_input() that input is "expected" because we do expect
3291 either the timeout or fd handler to fire, and if they don't, the original
3292 call from process.c that got us here expects us to wait until some input
3293 comes. */
3294 inNsSelect = 1;
3295 gobble_input (1);
3296 ev = last_appdefined_event;
3297 inNsSelect = 0;
3298
3299 if (ev)
3300 {
3301 int t;
3302 if ([ev type] != NSApplicationDefined)
3303 abort ();
3304
3305 t = [ev data1];
3306 last_appdefined_event = 0;
3307
3308 if (t == -2)
3309 {
3310 /* The NX_APPDEFINED event we received was a timeout. */
3311 return 0;
3312 }
3313 else if (t == -1)
3314 {
3315 /* The NX_APPDEFINED event we received was the result of
3316 at least one real input event arriving. */
3317 errno = EINTR;
3318 return -1;
3319 }
3320 else
3321 {
3322 /* Received back from select () in fd_handler; copy the results */
3323 if (readfds)
3324 memcpy (readfds, &select_readfds, sizeof (fd_set));
3325 return t;
3326 }
3327 }
3328 /* never reached, shut compiler up */
3329 return 0;
3330 }
3331
3332
3333
3334 /* ==========================================================================
3335
3336 Scrollbar handling
3337
3338 ========================================================================== */
3339
3340
3341 static void
3342 ns_set_vertical_scroll_bar (struct window *window,
3343 int portion, int whole, int position)
3344 /* --------------------------------------------------------------------------
3345 External (hook): Update or add scrollbar
3346 -------------------------------------------------------------------------- */
3347 {
3348 Lisp_Object win;
3349 NSRect r, v;
3350 struct frame *f = XFRAME (WINDOW_FRAME (window));
3351 EmacsView *view = FRAME_NS_VIEW (f);
3352 int window_y, window_height;
3353 BOOL barOnVeryLeft, barOnVeryRight;
3354 int top, left, height, width, sb_width, sb_left;
3355 EmacsScroller *bar;
3356 static int count = 0;
3357
3358 /* optimization; display engine sends WAY too many of these.. */
3359 if (!NILP (window->vertical_scroll_bar))
3360 {
3361 bar = XNS_SCROLL_BAR (window->vertical_scroll_bar);
3362 if ([bar checkSamePosition: position portion: portion whole: whole])
3363 {
3364 if (view->scrollbarsNeedingUpdate == 0)
3365 {
3366 if (!windows_or_buffers_changed)
3367 return;
3368 }
3369 else
3370 view->scrollbarsNeedingUpdate--;
3371 }
3372 }
3373
3374 NSTRACE (ns_set_vertical_scroll_bar);
3375
3376 /* Get dimensions. */
3377 window_box (window, -1, 0, &window_y, 0, &window_height);
3378 top = window_y;
3379 height = window_height;
3380 width = WINDOW_CONFIG_SCROLL_BAR_COLS (window) * FRAME_COLUMN_WIDTH (f);
3381 left = WINDOW_SCROLL_BAR_AREA_X (window);
3382
3383 if (top < 5) /* top scrollbar adjustment */
3384 {
3385 top -= FRAME_INTERNAL_BORDER_WIDTH (f);
3386 height += FRAME_INTERNAL_BORDER_WIDTH (f);
3387 }
3388
3389 /* allow for displaying a skinnier scrollbar than char area allotted */
3390 sb_width = (WINDOW_CONFIG_SCROLL_BAR_WIDTH (window) > 0) ?
3391 WINDOW_CONFIG_SCROLL_BAR_WIDTH (window) : width;
3392
3393 barOnVeryLeft = left < 5;
3394 barOnVeryRight = FRAME_PIXEL_WIDTH (f) - left - width < 5;
3395 sb_left = left + FRAME_INTERNAL_BORDER_WIDTH (f)
3396 * (barOnVeryLeft ? -1 : (barOnVeryRight ? 1 : 0));
3397
3398 r = NSMakeRect (sb_left, top, sb_width, height);
3399 /* the parent view is flipped, so we need to flip y value */
3400 v = [view frame];
3401 r.origin.y = (v.size.height - r.size.height - r.origin.y);
3402
3403 XSETWINDOW (win, window);
3404 BLOCK_INPUT;
3405
3406 /* we want at least 5 lines to display a scrollbar */
3407 if (WINDOW_TOTAL_LINES (window) < 5)
3408 {
3409 if (!NILP (window->vertical_scroll_bar))
3410 {
3411 bar = XNS_SCROLL_BAR (window->vertical_scroll_bar);
3412 [bar removeFromSuperview];
3413 window->vertical_scroll_bar = Qnil;
3414 }
3415 ns_clear_frame_area (f, sb_left, top, width, height);
3416 UNBLOCK_INPUT;
3417 return;
3418 }
3419
3420 if (NILP (window->vertical_scroll_bar))
3421 {
3422 ns_clear_frame_area (f, sb_left, top, width, height);
3423 bar = [[EmacsScroller alloc] initFrame: r window: win];
3424 window->vertical_scroll_bar = make_save_value (bar, 0);
3425 }
3426 else
3427 {
3428 NSRect oldRect;
3429 bar = XNS_SCROLL_BAR (window->vertical_scroll_bar);
3430 oldRect = [bar frame];
3431 r.size.width = oldRect.size.width;
3432 if (FRAME_LIVE_P (f) && !NSEqualRects (oldRect, r))
3433 {
3434 if (oldRect.origin.x != r.origin.x)
3435 ns_clear_frame_area (f, sb_left, top, width, height);
3436 [bar setFrame: r];
3437 }
3438 }
3439
3440 [bar setPosition: position portion: portion whole: whole];
3441 UNBLOCK_INPUT;
3442 }
3443
3444
3445 static void
3446 ns_condemn_scroll_bars (struct frame *f)
3447 /* --------------------------------------------------------------------------
3448 External (hook): arrange for all frame's scrollbars to be removed
3449 at next call to judge_scroll_bars, except for those redeemed.
3450 -------------------------------------------------------------------------- */
3451 {
3452 int i;
3453 id view;
3454 NSArray *subviews = [[FRAME_NS_VIEW (f) superview] subviews];
3455
3456 NSTRACE (ns_condemn_scroll_bars);
3457
3458 for (i =[subviews count]-1; i >= 0; i--)
3459 {
3460 view = [subviews objectAtIndex: i];
3461 if ([view isKindOfClass: [EmacsScroller class]])
3462 [view condemn];
3463 }
3464 }
3465
3466
3467 static void
3468 ns_redeem_scroll_bar (struct window *window)
3469 /* --------------------------------------------------------------------------
3470 External (hook): arrange to spare this window's scrollbar
3471 at next call to judge_scroll_bars.
3472 -------------------------------------------------------------------------- */
3473 {
3474 id bar;
3475 NSTRACE (ns_redeem_scroll_bar);
3476 if (!NILP (window->vertical_scroll_bar))
3477 {
3478 bar =XNS_SCROLL_BAR (window->vertical_scroll_bar);
3479 [bar reprieve];
3480 }
3481 }
3482
3483
3484 static void
3485 ns_judge_scroll_bars (struct frame *f)
3486 /* --------------------------------------------------------------------------
3487 External (hook): destroy all scrollbars on frame that weren't
3488 redeemed after call to condemn_scroll_bars.
3489 -------------------------------------------------------------------------- */
3490 {
3491 int i;
3492 id view;
3493 NSArray *subviews = [[FRAME_NS_VIEW (f) superview] subviews];
3494 NSTRACE (ns_judge_scroll_bars);
3495 for (i =[subviews count]-1; i >= 0; i--)
3496 {
3497 view = [subviews objectAtIndex: i];
3498 if (![view isKindOfClass: [EmacsScroller class]]) continue;
3499 [view judge];
3500 }
3501 }
3502
3503
3504 void
3505 x_wm_set_icon_position (struct frame *f, int icon_x, int icon_y)
3506 {
3507 /* XXX irrelevant under NS */
3508 }
3509
3510
3511
3512 /* ==========================================================================
3513
3514 Initialization
3515
3516 ========================================================================== */
3517
3518 int
3519 x_display_pixel_height (dpyinfo)
3520 struct ns_display_info *dpyinfo;
3521 {
3522 NSScreen *screen = [NSScreen mainScreen];
3523 return [screen frame].size.height;
3524 }
3525
3526 int
3527 x_display_pixel_width (dpyinfo)
3528 struct ns_display_info *dpyinfo;
3529 {
3530 NSScreen *screen = [NSScreen mainScreen];
3531 return [screen frame].size.width;
3532 }
3533
3534
3535 static Lisp_Object ns_string_to_lispmod (const char *s)
3536 /* --------------------------------------------------------------------------
3537 Convert modifier name to lisp symbol
3538 -------------------------------------------------------------------------- */
3539 {
3540 if (!strncmp (SDATA (SYMBOL_NAME (Qmeta)), s, 10))
3541 return Qmeta;
3542 else if (!strncmp (SDATA (SYMBOL_NAME (Qsuper)), s, 10))
3543 return Qsuper;
3544 else if (!strncmp (SDATA (SYMBOL_NAME (Qcontrol)), s, 10))
3545 return Qcontrol;
3546 else if (!strncmp (SDATA (SYMBOL_NAME (Qalt)), s, 10))
3547 return Qalt;
3548 else if (!strncmp (SDATA (SYMBOL_NAME (Qhyper)), s, 10))
3549 return Qhyper;
3550 else if (!strncmp (SDATA (SYMBOL_NAME (Qnone)), s, 10))
3551 return Qnone;
3552 else
3553 return Qnil;
3554 }
3555
3556
3557 static Lisp_Object ns_mod_to_lisp (int m)
3558 /* --------------------------------------------------------------------------
3559 Convert modifier code (see lisp.h) to lisp symbol
3560 -------------------------------------------------------------------------- */
3561 {
3562 if (m == CHAR_META)
3563 return Qmeta;
3564 else if (m == CHAR_SUPER)
3565 return Qsuper;
3566 else if (m == CHAR_CTL)
3567 return Qcontrol;
3568 else if (m == CHAR_ALT)
3569 return Qalt;
3570 else if (m == CHAR_HYPER)
3571 return Qhyper;
3572 else /* if (m == 0) */
3573 return Qnone;
3574 }
3575
3576
3577 static void
3578 ns_set_default_prefs ()
3579 /* --------------------------------------------------------------------------
3580 Initialize preference variables to defaults
3581 -------------------------------------------------------------------------- */
3582 {
3583 ns_alternate_modifier = Qmeta;
3584 ns_command_modifier = Qsuper;
3585 ns_control_modifier = Qcontrol;
3586 ns_function_modifier = Qnone;
3587 ns_antialias_text = Qt;
3588 ns_antialias_threshold = 10.0; /* not exposed to lisp side */
3589 ns_use_qd_smoothing = Qnil;
3590 ns_use_system_highlight_color = Qt;
3591 ns_confirm_quit = Qnil;
3592 }
3593
3594
3595 static void
3596 ns_default (const char *parameter, Lisp_Object *result,
3597 Lisp_Object yesval, Lisp_Object noval,
3598 BOOL is_float, BOOL is_modstring)
3599 /* --------------------------------------------------------------------------
3600 Check a parameter value in user's preferences
3601 -------------------------------------------------------------------------- */
3602 {
3603 const char *value;
3604
3605 if ( (value =[[[NSUserDefaults standardUserDefaults]
3606 stringForKey: [NSString stringWithUTF8String: parameter]]
3607 UTF8String]) )
3608 {
3609 double f;
3610 char *pos;
3611 if (strcasecmp (value, "YES") == 0)
3612 *result = yesval;
3613 else if (strcasecmp (value, "NO") == 0)
3614 *result = noval;
3615 else if (is_float && (f = strtod (value, &pos), pos != value))
3616 *result = make_float (f);
3617 else if (is_modstring && value)
3618 *result = ns_string_to_lispmod (value);
3619 else fprintf (stderr,
3620 "Bad value for default \"%s\": \"%s\"\n", parameter, value);
3621 }
3622 }
3623
3624
3625 void
3626 ns_initialize_display_info (struct ns_display_info *dpyinfo)
3627 /* --------------------------------------------------------------------------
3628 Initialize global info and storage for display.
3629 -------------------------------------------------------------------------- */
3630 {
3631 NSScreen *screen = [NSScreen mainScreen];
3632 NSWindowDepth depth = [screen depth];
3633
3634 dpyinfo->resx = 72.27; /* used 75.0, but this makes pt == pixel, expected */
3635 dpyinfo->resy = 72.27;
3636 dpyinfo->color_p = ![NSDeviceWhiteColorSpace isEqualToString:
3637 NSColorSpaceFromDepth (depth)]
3638 && ![NSCalibratedWhiteColorSpace isEqualToString:
3639 NSColorSpaceFromDepth (depth)];
3640 dpyinfo->n_planes = NSBitsPerPixelFromDepth (depth);
3641 dpyinfo->image_cache = make_image_cache ();
3642 dpyinfo->color_table
3643 = (struct ns_color_table *)xmalloc (sizeof (struct ns_color_table));
3644 dpyinfo->color_table->colors = NULL;
3645 dpyinfo->root_window = 42; /* a placeholder.. */
3646
3647 dpyinfo->mouse_face_mouse_frame = NULL;
3648 dpyinfo->mouse_face_deferred_gc = 0;
3649 dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1;
3650 dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1;
3651 dpyinfo->mouse_face_face_id = DEFAULT_FACE_ID;
3652 dpyinfo->mouse_face_window = dpyinfo->mouse_face_overlay = Qnil;
3653 dpyinfo->mouse_face_hidden = 0;
3654
3655 dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0;
3656 dpyinfo->mouse_face_defer = 0;
3657
3658 dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame = NULL;
3659
3660 dpyinfo->n_fonts = 0;
3661 dpyinfo->smallest_font_height = 1;
3662 dpyinfo->smallest_char_width = 1;
3663 }
3664
3665
3666 /* This and next define (many of the) public functions in this file. */
3667 /* x_... are generic versions in xdisp.c that we, and other terms, get away
3668 with using despite presence in the "system dependent" redisplay
3669 interface. In addition, many of the ns_ methods have code that is
3670 shared with all terms, indicating need for further refactoring. */
3671 extern frame_parm_handler ns_frame_parm_handlers[];
3672 static struct redisplay_interface ns_redisplay_interface =
3673 {
3674 ns_frame_parm_handlers,
3675 x_produce_glyphs,
3676 x_write_glyphs,
3677 x_insert_glyphs,
3678 x_clear_end_of_line,
3679 ns_scroll_run,
3680 ns_after_update_window_line,
3681 ns_update_window_begin,
3682 ns_update_window_end,
3683 x_cursor_to,
3684 ns_flush,
3685 0, /* flush_display_optional */
3686 x_clear_window_mouse_face,
3687 x_get_glyph_overhangs,
3688 x_fix_overlapping_area,
3689 ns_draw_fringe_bitmap,
3690 0, /* define_fringe_bitmap */ /* FIXME: simplify ns_draw_fringe_bitmap */
3691 0, /* destroy_fringe_bitmap */
3692 ns_compute_glyph_string_overhangs,
3693 ns_draw_glyph_string, /* interface to nsfont.m */
3694 ns_define_frame_cursor,
3695 ns_clear_frame_area,
3696 ns_draw_window_cursor,
3697 ns_draw_vertical_window_border,
3698 ns_shift_glyphs_for_insert
3699 };
3700
3701
3702 static void
3703 ns_delete_display (struct ns_display_info *dpyinfo)
3704 {
3705 /* TODO... */
3706 }
3707
3708
3709 /* This function is called when the last frame on a display is deleted. */
3710 static void
3711 ns_delete_terminal (struct terminal *terminal)
3712 {
3713 struct ns_display_info *dpyinfo = terminal->display_info.ns;
3714 int i;
3715
3716 /* Protect against recursive calls. delete_frame in
3717 delete_terminal calls us back when it deletes our last frame. */
3718 if (!terminal->name)
3719 return;
3720
3721 BLOCK_INPUT;
3722
3723 x_destroy_all_bitmaps (dpyinfo);
3724 ns_delete_display (dpyinfo);
3725 UNBLOCK_INPUT;
3726 }
3727
3728
3729 static struct terminal *
3730 ns_create_terminal (struct ns_display_info *dpyinfo)
3731 /* --------------------------------------------------------------------------
3732 Set up use of NS before we make the first connection.
3733 -------------------------------------------------------------------------- */
3734 {
3735 struct terminal *terminal;
3736
3737 NSTRACE (ns_create_terminal);
3738
3739 terminal = create_terminal ();
3740
3741 terminal->type = output_ns;
3742 terminal->display_info.ns = dpyinfo;
3743 dpyinfo->terminal = terminal;
3744
3745 terminal->rif = &ns_redisplay_interface;
3746
3747 terminal->clear_frame_hook = ns_clear_frame;
3748 terminal->ins_del_lines_hook = 0; /* XXX vestigial? */
3749 terminal->delete_glyphs_hook = 0; /* XXX vestigial? */
3750 terminal->ring_bell_hook = ns_ring_bell;
3751 terminal->reset_terminal_modes_hook = ns_reset_terminal_modes;
3752 terminal->set_terminal_modes_hook = ns_set_terminal_modes;
3753 terminal->update_begin_hook = ns_update_begin;
3754 terminal->update_end_hook = ns_update_end;
3755 terminal->set_terminal_window_hook = NULL; /* XXX vestigial? */
3756 terminal->read_socket_hook = ns_read_socket;
3757 terminal->frame_up_to_date_hook = ns_frame_up_to_date;
3758 terminal->mouse_position_hook = ns_mouse_position;
3759 terminal->frame_rehighlight_hook = ns_frame_rehighlight;
3760 terminal->frame_raise_lower_hook = ns_frame_raise_lower;
3761
3762 terminal->fullscreen_hook = 0; /* see XTfullscreen_hook */
3763
3764 terminal->set_vertical_scroll_bar_hook = ns_set_vertical_scroll_bar;
3765 terminal->condemn_scroll_bars_hook = ns_condemn_scroll_bars;
3766 terminal->redeem_scroll_bar_hook = ns_redeem_scroll_bar;
3767 terminal->judge_scroll_bars_hook = ns_judge_scroll_bars;
3768
3769 terminal->delete_frame_hook = x_destroy_window;
3770 terminal->delete_terminal_hook = ns_delete_terminal;
3771
3772 terminal->scroll_region_ok = 1;
3773 terminal->char_ins_del_ok = 1;
3774 terminal->line_ins_del_ok = 1;
3775 terminal->fast_clear_end_of_line = 1;
3776 terminal->memory_below_frame = 0;
3777
3778 return terminal;
3779 }
3780
3781
3782 struct ns_display_info *
3783 ns_term_init (Lisp_Object display_name)
3784 /* --------------------------------------------------------------------------
3785 Start the Application and get things rolling.
3786 -------------------------------------------------------------------------- */
3787 {
3788 struct terminal *terminal;
3789 struct ns_display_info *dpyinfo;
3790 static int ns_initialized = 0;
3791 Lisp_Object tmp;
3792
3793 NSTRACE (ns_term_init);
3794
3795 /* count object allocs (About, click icon); on OS X use ObjectAlloc tool */
3796 /*GSDebugAllocationActive (YES); */
3797 BLOCK_INPUT;
3798 handling_signal = 0;
3799
3800 if (!ns_initialized)
3801 {
3802 baud_rate = 38400;
3803 Fset_input_interrupt_mode (Qnil);
3804 ns_initialized = 1;
3805 }
3806
3807 ns_pending_files = [[NSMutableArray alloc] init];
3808 ns_pending_service_names = [[NSMutableArray alloc] init];
3809 ns_pending_service_args = [[NSMutableArray alloc] init];
3810
3811 /* Start app and create the main menu, window, view.
3812 Needs to be here because ns_initialize_display_info () uses AppKit classes.
3813 The view will then ask the NSApp to stop and return to Emacs. */
3814 [EmacsApp sharedApplication];
3815 if (NSApp == nil)
3816 return NULL;
3817 [NSApp setDelegate: NSApp];
3818
3819 /* debugging: log all notifications */
3820 /* [[NSNotificationCenter defaultCenter] addObserver: NSApp
3821 selector: @selector (logNotification:)
3822 name: nil object: nil]; */
3823
3824 dpyinfo = (struct ns_display_info *)xmalloc (sizeof (struct ns_display_info));
3825 bzero (dpyinfo, sizeof (struct ns_display_info));
3826
3827 ns_initialize_display_info (dpyinfo);
3828 terminal = ns_create_terminal (dpyinfo);
3829
3830 terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD));
3831 init_kboard (terminal->kboard);
3832 terminal->kboard->Vwindow_system = Qns;
3833 terminal->kboard->next_kboard = all_kboards;
3834 all_kboards = terminal->kboard;
3835 /* Don't let the initial kboard remain current longer than necessary.
3836 That would cause problems if a file loaded on startup tries to
3837 prompt in the mini-buffer. */
3838 if (current_kboard == initial_kboard)
3839 current_kboard = terminal->kboard;
3840 terminal->kboard->reference_count++;
3841
3842 dpyinfo->next = x_display_list;
3843 x_display_list = dpyinfo;
3844
3845 /* Put it on ns_display_name_list */
3846 ns_display_name_list = Fcons (Fcons (display_name, Qnil),
3847 ns_display_name_list);
3848 dpyinfo->name_list_element = XCAR (ns_display_name_list);
3849
3850 /* Set the name of the terminal. */
3851 terminal->name = (char *) xmalloc (SBYTES (display_name) + 1);
3852 strncpy (terminal->name, SDATA (display_name), SBYTES (display_name));
3853 terminal->name[SBYTES (display_name)] = 0;
3854
3855 UNBLOCK_INPUT;
3856
3857 /* Read various user defaults. */
3858 ns_set_default_prefs ();
3859 if (!ns_no_defaults)
3860 {
3861 ns_default ("GSFontAntiAlias", &ns_antialias_text,
3862 Qt, Qnil, NO, NO);
3863 tmp = Qnil;
3864 /* this is a standard variable */
3865 ns_default ("AppleAntiAliasingThreshold", &tmp,
3866 make_float (10.0), make_float (6.0), YES, NO);
3867 ns_antialias_threshold = NILP (tmp) ? 10.0 : XFLOATINT (tmp);
3868 }
3869
3870 ns_selection_color = [[NSUserDefaults standardUserDefaults]
3871 stringForKey: @"AppleHighlightColor"];
3872 if (ns_selection_color == nil)
3873 ns_selection_color = NS_SELECTION_COLOR_DEFAULT;
3874
3875 {
3876 NSColorList *cl = [NSColorList colorListNamed: @"Emacs"];
3877
3878 if ( cl == nil )
3879 {
3880 Lisp_Object color_file, color_map, color;
3881 int r,g,b;
3882 unsigned long c;
3883 char *name;
3884
3885 color_file = Fexpand_file_name (build_string ("rgb.txt"),
3886 Fsymbol_value (intern ("data-directory")));
3887 if (NILP (Ffile_readable_p (color_file)))
3888 fatal ("Could not find %s.\n", SDATA (color_file));
3889
3890 color_map = Fx_load_color_file (color_file);
3891 if (NILP (color_map))
3892 fatal ("Could not read %s.\n", SDATA (color_file));
3893
3894 cl = [[NSColorList alloc] initWithName: @"Emacs"];
3895 for ( ; CONSP (color_map); color_map = XCDR (color_map))
3896 {
3897 color = XCAR (color_map);
3898 name = SDATA (XCAR (color));
3899 c = XINT (XCDR (color));
3900 [cl setColor:
3901 [NSColor colorWithCalibratedRed: RED_FROM_ULONG (c) / 255.0
3902 green: GREEN_FROM_ULONG (c) / 255.0
3903 blue: BLUE_FROM_ULONG (c) / 255.0
3904 alpha: 1.0]
3905 forKey: [NSString stringWithUTF8String: name]];
3906 }
3907 [cl writeToFile: nil];
3908 }
3909 }
3910
3911 {
3912 char c[128];
3913 #ifdef NS_IMPL_GNUSTEP
3914 strncpy (c, gnustep_base_version, sizeof (c));
3915 #else
3916 /*PSnextrelease (128, c); */
3917 snprintf (c, sizeof (c), "%g", NSAppKitVersionNumber);
3918 #endif
3919 Vwindow_system_version = build_string (c);
3920 }
3921
3922 delete_keyboard_wait_descriptor (0);
3923
3924 /* Set up OS X app menu */
3925 #ifdef NS_IMPL_COCOA
3926 {
3927 NSMenu *appMenu;
3928 NSMenuItem *item;
3929 /* set up the application menu */
3930 svcsMenu = [[EmacsMenu alloc] initWithTitle: @"Services"];
3931 [svcsMenu setAutoenablesItems: NO];
3932 appMenu = [[EmacsMenu alloc] initWithTitle: @"Emacs"];
3933 [appMenu setAutoenablesItems: NO];
3934 mainMenu = [[EmacsMenu alloc] initWithTitle: @""];
3935 dockMenu = [[EmacsMenu alloc] initWithTitle: @""];
3936
3937 [appMenu insertItemWithTitle: @"About Emacs"
3938 action: @selector (orderFrontStandardAboutPanel:)
3939 keyEquivalent: @""
3940 atIndex: 0];
3941 [appMenu insertItem: [NSMenuItem separatorItem] atIndex: 1];
3942 [appMenu insertItemWithTitle: @"Preferences..."
3943 action: @selector (showPreferencesWindow:)
3944 keyEquivalent: @","
3945 atIndex: 2];
3946 [appMenu insertItem: [NSMenuItem separatorItem] atIndex: 3];
3947 item = [appMenu insertItemWithTitle: @"Services"
3948 action: @selector (menuDown:)
3949 keyEquivalent: @""
3950 atIndex: 4];
3951 [appMenu setSubmenu: svcsMenu forItem: item];
3952 /* [svcsMenu setSupercell: item]; */
3953 [appMenu insertItem: [NSMenuItem separatorItem] atIndex: 5];
3954 [appMenu insertItemWithTitle: @"Hide Emacs"
3955 action: @selector (hide:)
3956 keyEquivalent: @"h"
3957 atIndex: 6];
3958 item = [appMenu insertItemWithTitle: @"Hide Others"
3959 action: @selector (hideOtherApplications:)
3960 keyEquivalent: @"h"
3961 atIndex: 7];
3962 [item setKeyEquivalentModifierMask: NSCommandKeyMask | NSAlternateKeyMask];
3963 [appMenu insertItem: [NSMenuItem separatorItem] atIndex: 8];
3964 [appMenu insertItemWithTitle: @"Quit Emacs"
3965 action: @selector (terminate:)
3966 keyEquivalent: @"q"
3967 atIndex: 9];
3968
3969 item = [mainMenu insertItemWithTitle: @"Emacs"
3970 action: @selector (menuDown:)
3971 keyEquivalent: @""
3972 atIndex: 0];
3973 [mainMenu setSubmenu: appMenu forItem: item];
3974 [dockMenu insertItemWithTitle: @"New Frame"
3975 action: @selector (newFrame:)
3976 keyEquivalent: @""
3977 atIndex: 0];
3978
3979 [NSApp setMainMenu: mainMenu];
3980 [NSApp setAppleMenu: appMenu];
3981 [NSApp setServicesMenu: svcsMenu];
3982 /* Needed at least on Cocoa, to get dock menu to show windows */
3983 [NSApp setWindowsMenu: [[NSMenu alloc] init]];
3984 }
3985 #endif /* MAC OS X menu setup */
3986
3987 [NSApp run];
3988
3989 return dpyinfo;
3990 }
3991
3992
3993 extern Lisp_Object Vauto_save_list_file_name;
3994 void
3995 ns_term_shutdown (int sig)
3996 {
3997 /* code not reached in emacs.c after this is called by shut_down_emacs: */
3998 if (STRINGP (Vauto_save_list_file_name))
3999 unlink (SDATA (Vauto_save_list_file_name));
4000
4001 if (sig == 0 || sig == SIGTERM)
4002 {
4003 [NSApp terminate: NSApp];
4004 }
4005 else // force a stack trace to happen
4006 {
4007 abort();
4008 }
4009 }
4010
4011
4012 /* ==========================================================================
4013
4014 EmacsApp implementation
4015
4016 ========================================================================== */
4017
4018
4019 @implementation EmacsApp
4020
4021 - (void)logNotification: (NSNotification *)notification
4022 {
4023 const char *name = [[notification name] UTF8String];
4024 if (!strstr (name, "Update") && !strstr (name, "NSMenu")
4025 && !strstr (name, "WindowNumber"))
4026 NSLog (@"notification: '%@'", [notification name]);
4027 }
4028
4029
4030 - (void)sendEvent: (NSEvent *)theEvent
4031 /* --------------------------------------------------------------------------
4032 Called when NSApp is running for each event received. Used to stop
4033 the loop when we choose, since there's no way to just run one iteration.
4034 -------------------------------------------------------------------------- */
4035 {
4036 int type = [theEvent type];
4037 NSWindow *window = [theEvent window];
4038 /* NSTRACE (sendEvent); */
4039 /*fprintf (stderr, "received event of type %d\t%d\n", type);*/
4040
4041 if (type == NSCursorUpdate && window == nil)
4042 {
4043 fprintf (stderr, "Dropping external cursor update event.\n");
4044 return;
4045 }
4046
4047 #ifdef NS_IMPL_COCOA
4048 /* pass mouse down in resize handle and subsequent drags directly to
4049 EmacsWindow so we can generate continuous redisplays */
4050 if (ns_in_resize)
4051 {
4052 if (type == NSLeftMouseDragged)
4053 {
4054 [window mouseDragged: theEvent];
4055 return;
4056 }
4057 else if (type == NSLeftMouseUp)
4058 {
4059 [window mouseUp: theEvent];
4060 return;
4061 }
4062 }
4063 else if (type == NSLeftMouseDown)
4064 {
4065 NSRect r = ns_resize_handle_rect (window);
4066 if (NSPointInRect ([theEvent locationInWindow], r))
4067 {
4068 ns_in_resize = YES;
4069 [window mouseDown: theEvent];
4070 return;
4071 }
4072 }
4073 #endif
4074
4075 if (type == NSApplicationDefined)
4076 {
4077 /* Events posted by ns_send_appdefined interrupt the run loop here.
4078 But, if a modal window is up, an appdefined can still come through,
4079 (e.g., from a makeKeyWindow event) but stopping self also stops the
4080 modal loop. Just defer it until later. */
4081 if ([NSApp modalWindow] == nil)
4082 {
4083 last_appdefined_event = theEvent;
4084 [self stop: self];
4085 }
4086 else
4087 {
4088 send_appdefined = YES;
4089 }
4090 }
4091
4092 [super sendEvent: theEvent];
4093 }
4094
4095
4096 - (void)showPreferencesWindow: (id)sender
4097 {
4098 struct frame *emacsframe = SELECTED_FRAME ();
4099 NSEvent *theEvent = [NSApp currentEvent];
4100
4101 if (!emacs_event)
4102 return;
4103 emacs_event->kind = NS_NONKEY_EVENT;
4104 emacs_event->code = KEY_NS_SHOW_PREFS;
4105 emacs_event->modifiers = 0;
4106 EV_TRAILER (theEvent);
4107 }
4108
4109
4110 - (void)newFrame: (id)sender
4111 {
4112 struct frame *emacsframe = SELECTED_FRAME ();
4113 NSEvent *theEvent = [NSApp currentEvent];
4114
4115 if (!emacs_event)
4116 return;
4117 emacs_event->kind = NS_NONKEY_EVENT;
4118 emacs_event->code = KEY_NS_NEW_FRAME;
4119 emacs_event->modifiers = 0;
4120 EV_TRAILER (theEvent);
4121 }
4122
4123
4124 /* Open a file (used by below, after going into queue read by ns_read_socket) */
4125 - (BOOL) openFile: (NSString *)fileName
4126 {
4127 struct frame *emacsframe = SELECTED_FRAME ();
4128 NSEvent *theEvent = [NSApp currentEvent];
4129
4130 if (!emacs_event)
4131 return NO;
4132
4133 emacs_event->kind = NS_NONKEY_EVENT;
4134 emacs_event->code = KEY_NS_OPEN_FILE_LINE;
4135 ns_input_file = append2 (ns_input_file, build_string ([fileName UTF8String]));
4136 ns_input_line = Qnil; /* can be start or cons start,end */
4137 emacs_event->modifiers =0;
4138 EV_TRAILER (theEvent);
4139
4140 return YES;
4141 }
4142
4143
4144 /* **************************************************************************
4145
4146 EmacsApp delegate implementation
4147
4148 ************************************************************************** */
4149
4150 - (void)applicationDidFinishLaunching: (NSNotification *)notification
4151 /* --------------------------------------------------------------------------
4152 When application is loaded, terminate event loop in ns_term_init
4153 -------------------------------------------------------------------------- */
4154 {
4155 NSTRACE (applicationDidFinishLaunching);
4156 [NSApp setServicesProvider: NSApp];
4157 ns_send_appdefined (-2);
4158 }
4159
4160
4161 /* Termination sequences:
4162 C-x C-c:
4163 Cmd-Q:
4164 MenuBar | File | Exit:
4165 Select Quit from App menubar:
4166 -terminate
4167 KEY_NS_POWER_OFF, (save-buffers-kill-emacs)
4168 ns_term_shutdown()
4169
4170 Select Quit from Dock menu:
4171 Logout attempt:
4172 -appShouldTerminate
4173 Cancel -> Nothing else
4174 Accept ->
4175
4176 -terminate
4177 KEY_NS_POWER_OFF, (save-buffers-kill-emacs)
4178 ns_term_shutdown()
4179
4180 */
4181
4182 - (void) terminate: (id)sender
4183 {
4184 struct frame *emacsframe = SELECTED_FRAME ();
4185
4186 if (!emacs_event)
4187 return;
4188
4189 emacs_event->kind = NS_NONKEY_EVENT;
4190 emacs_event->code = KEY_NS_POWER_OFF;
4191 emacs_event->arg = Qt; /* mark as non-key event */
4192 EV_TRAILER ((id)nil);
4193 }
4194
4195
4196 - (NSApplicationTerminateReply)applicationShouldTerminate: (id)sender
4197 {
4198 int ret;
4199
4200 if (NILP (ns_confirm_quit)) // || ns_shutdown_properly --> TO DO
4201 return NSTerminateNow;
4202
4203 ret = NSRunAlertPanel([[NSProcessInfo processInfo] processName],
4204 [NSString stringWithUTF8String:"Exit requested. Would you like to Save Buffers and Exit, or Cancel the request?"],
4205 @"Save Buffers and Exit", @"Cancel", nil);
4206
4207 if (ret == NSAlertDefaultReturn)
4208 return NSTerminateNow;
4209 else if (ret == NSAlertAlternateReturn)
4210 return NSTerminateCancel;
4211 return NSTerminateNow; /* just in case */
4212 }
4213
4214
4215 /* Notification from the Workspace to open a file */
4216 - (BOOL)application: sender openFile: (NSString *)file
4217 {
4218 [ns_pending_files addObject: file];
4219 return YES;
4220 }
4221
4222
4223 /* Open a file as a temporary file */
4224 - (BOOL)application: sender openTempFile: (NSString *)file
4225 {
4226 [ns_pending_files addObject: file];
4227 return YES;
4228 }
4229
4230
4231 /* Notification from the Workspace to open a file noninteractively (?) */
4232 - (BOOL)application: sender openFileWithoutUI: (NSString *)file
4233 {
4234 [ns_pending_files addObject: file];
4235 return YES;
4236 }
4237
4238
4239 /* Notification from the Workspace to open multiple files */
4240 - (void)application: sender openFiles: (NSArray *)fileList
4241 {
4242 NSEnumerator *files = [fileList objectEnumerator];
4243 NSString *file;
4244 while ((file = [files nextObject]) != nil)
4245 [ns_pending_files addObject: file];
4246
4247 /* TODO: when GNUstep implements this (and we require that version of
4248 GNUstep), remove. */
4249 #ifndef NS_IMPL_GNUSTEP
4250 [self replyToOpenOrPrint: NSApplicationDelegateReplySuccess];
4251 #endif /* !NS_IMPL_GNUSTEP */
4252
4253 }
4254
4255
4256 /* Handle dock menu requests. */
4257 - (NSMenu *)applicationDockMenu: (NSApplication *) sender
4258 {
4259 return dockMenu;
4260 }
4261
4262
4263 /* TODO: these may help w/IO switching btwn terminal and NSApp */
4264 - (void)applicationWillBecomeActive: (NSNotification *)notification
4265 {
4266 //ns_app_active=YES;
4267 }
4268 - (void)applicationDidBecomeActive: (NSNotification *)notification
4269 {
4270 //ns_app_active=YES;
4271 }
4272 - (void)applicationDidResignActive: (NSNotification *)notification
4273 {
4274 //ns_app_active=NO;
4275 ns_send_appdefined (-1);
4276 }
4277
4278
4279
4280 /* ==========================================================================
4281
4282 EmacsApp aux handlers for managing event loop
4283
4284 ========================================================================== */
4285
4286
4287 - (void)timeout_handler: (NSTimer *)timedEntry
4288 /* --------------------------------------------------------------------------
4289 The timeout specified to ns_select has passed.
4290 -------------------------------------------------------------------------- */
4291 {
4292 /*NSTRACE (timeout_handler); */
4293 ns_send_appdefined (-2);
4294 }
4295
4296 extern void update_window_cursor (struct window *w, int on);
4297
4298 - (void)fd_handler: (NSTimer *) fdEntry
4299 /* --------------------------------------------------------------------------
4300 Check data waiting on file descriptors and terminate if so
4301 -------------------------------------------------------------------------- */
4302 {
4303 int result;
4304 /* NSTRACE (fd_handler); */
4305
4306 if (select_nfds == 0)
4307 return;
4308
4309 memcpy (&t_readfds, &select_readfds, sizeof (fd_set));
4310
4311 select_timeout.tv_sec = select_timeout.tv_usec = 0;
4312 result = select (select_nfds, &t_readfds, (SELECT_TYPE *)0, (SELECT_TYPE *)0,
4313 &select_timeout);
4314 if (result)
4315 {
4316 memcpy (&select_readfds, &t_readfds, sizeof (fd_set));
4317 ns_send_appdefined (result);
4318 }
4319 }
4320
4321
4322
4323 /* ==========================================================================
4324
4325 Service provision
4326
4327 ========================================================================== */
4328
4329 /* called from system: queue for next pass through event loop */
4330 - (void)requestService: (NSPasteboard *)pboard
4331 userData: (NSString *)userData
4332 error: (NSString **)error
4333 {
4334 [ns_pending_service_names addObject: userData];
4335 [ns_pending_service_args addObject: [NSString stringWithUTF8String:
4336 SDATA (ns_string_from_pasteboard (pboard))]];
4337 }
4338
4339
4340 /* called from ns_read_socket to clear queue */
4341 - (BOOL)fulfillService: (NSString *)name withArg: (NSString *)arg
4342 {
4343 struct frame *emacsframe = SELECTED_FRAME ();
4344 NSEvent *theEvent = [NSApp currentEvent];
4345
4346 if (!emacs_event)
4347 return NO;
4348
4349 emacs_event->kind = NS_NONKEY_EVENT;
4350 emacs_event->code = KEY_NS_SPI_SERVICE_CALL;
4351 ns_input_spi_name = build_string ([name UTF8String]);
4352 ns_input_spi_arg = build_string ([arg UTF8String]);
4353 emacs_event->modifiers = EV_MODIFIERS (theEvent);
4354 EV_TRAILER (theEvent);
4355
4356 return YES;
4357 }
4358
4359
4360 @end /* EmacsApp */
4361
4362
4363
4364 /* ==========================================================================
4365
4366 EmacsView implementation
4367
4368 ========================================================================== */
4369
4370
4371 @implementation EmacsView
4372
4373 /* needed to inform when window closed from LISP */
4374 - (void) setWindowClosing: (BOOL)closing
4375 {
4376 windowClosing = closing;
4377 }
4378
4379
4380 - (void)dealloc
4381 {
4382 NSTRACE (EmacsView_dealloc);
4383 [toolbar release];
4384 [super dealloc];
4385 }
4386
4387
4388 /* called on font panel selection */
4389 - (void)changeFont: (id)sender
4390 {
4391 NSEvent *e =[[self window] currentEvent];
4392 struct face *face =FRAME_DEFAULT_FACE (emacsframe);
4393 id newFont;
4394 float size;
4395
4396 NSTRACE (changeFont);
4397 if (!emacs_event)
4398 return;
4399
4400 if (newFont = [sender convertFont:
4401 ((struct nsfont_info *)face->font)->nsfont])
4402 {
4403 SET_FRAME_GARBAGED (emacsframe); /* now needed as of 2008/10 */
4404
4405 emacs_event->kind = NS_NONKEY_EVENT;
4406 emacs_event->modifiers = 0;
4407 emacs_event->code = KEY_NS_CHANGE_FONT;
4408
4409 size = [newFont pointSize];
4410 ns_input_fontsize = make_number (lrint (size));
4411 ns_input_font = build_string ([[newFont familyName] UTF8String]);
4412 EV_TRAILER (e);
4413 }
4414 }
4415
4416
4417 - (BOOL)acceptsFirstResponder
4418 {
4419 NSTRACE (acceptsFirstResponder);
4420 return YES;
4421 }
4422
4423
4424 - (void)resetCursorRects
4425 {
4426 NSRect visible = [self visibleRect];
4427 NSCursor *currentCursor = FRAME_POINTER_TYPE (emacsframe);
4428 NSTRACE (resetCursorRects);
4429
4430 if (currentCursor == nil)
4431 currentCursor = [NSCursor arrowCursor];
4432
4433 if (!NSIsEmptyRect (visible))
4434 [self addCursorRect: visible cursor: currentCursor];
4435 [currentCursor setOnMouseEntered: YES];
4436 }
4437
4438
4439
4440 /*****************************************************************************/
4441 /* Keyboard handling. */
4442 #define NS_KEYLOG 0
4443
4444 - (void)keyDown: (NSEvent *)theEvent
4445 {
4446 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (emacsframe);
4447 int code;
4448 unsigned fnKeysym = 0;
4449 int flags;
4450 static NSMutableArray *nsEvArray;
4451 static BOOL firstTime = YES;
4452
4453 NSTRACE (keyDown);
4454
4455 /* Rhapsody and OS X give up and down events for the arrow keys */
4456 if (ns_fake_keydown == YES)
4457 ns_fake_keydown = NO;
4458 else if ([theEvent type] != NSKeyDown)
4459 return;
4460
4461 if (!emacs_event)
4462 return;
4463
4464 if (![[self window] isKeyWindow])
4465 {
4466 /* XXX: There is an occasional condition in which, when Emacs display
4467 updates a different frame from the current one, and temporarily
4468 selects it, then processes some interrupt-driven input
4469 (dispnew.c:3878), OS will send the event to the correct NSWindow, but
4470 for some reason that window has its first responder set to the NSView
4471 most recently updated (I guess), which is not the correct one. */
4472 if ([[theEvent window] isKindOfClass: [EmacsWindow class]])
4473 [(EmacsView *)[[theEvent window] delegate] keyDown: theEvent];
4474 return;
4475 }
4476
4477 if (nsEvArray == nil)
4478 nsEvArray = [[NSMutableArray alloc] initWithCapacity: 1];
4479
4480 [NSCursor setHiddenUntilMouseMoves: YES];
4481
4482 if (dpyinfo->mouse_face_hidden && INTEGERP (Vmouse_highlight))
4483 {
4484 clear_mouse_face (dpyinfo);
4485 dpyinfo->mouse_face_hidden = 1;
4486 }
4487
4488 if (!processingCompose)
4489 {
4490 code = ([[theEvent charactersIgnoringModifiers] length] == 0) ?
4491 0 : [[theEvent charactersIgnoringModifiers] characterAtIndex: 0];
4492 /* (Carbon way: [theEvent keyCode]) */
4493
4494 /* is it a "function key"? */
4495 fnKeysym = ns_convert_key (code);
4496 if (fnKeysym)
4497 {
4498 /* COUNTERHACK: map 'Delete' on upper-right main KB to 'Backspace',
4499 because Emacs treats Delete and KP-Delete same (in simple.el). */
4500 if (fnKeysym == 0xFFFF && [theEvent keyCode] == 0x33)
4501 code = 0xFF08; /* backspace */
4502 else
4503 code = fnKeysym;
4504 }
4505
4506 /* are there modifiers? */
4507 emacs_event->modifiers = 0;
4508 flags = [theEvent modifierFlags];
4509
4510 if (flags & NSHelpKeyMask)
4511 emacs_event->modifiers |= hyper_modifier;
4512
4513 if (flags & NSShiftKeyMask)
4514 emacs_event->modifiers |= shift_modifier;
4515
4516 if (flags & NSCommandKeyMask)
4517 {
4518 emacs_event->modifiers |= parse_solitary_modifier (ns_command_modifier);
4519 /* if super (default), take input manager's word so things like
4520 dvorak / qwerty layout work */
4521 if (EQ (ns_command_modifier, Qsuper)
4522 && !fnKeysym
4523 && [[theEvent characters] length] != 0)
4524 {
4525 /* XXX: the code we get will be unshifted, so if we have
4526 a shift modifier, must convert ourselves */
4527 if (!(flags & NSShiftKeyMask))
4528 code = [[theEvent characters] characterAtIndex: 0];
4529 #if 0
4530 /* this is ugly and also requires linking w/Carbon framework
4531 (for LMGetKbdType) so for now leave this rare (?) case
4532 undealt with.. in future look into CGEvent methods */
4533 else
4534 {
4535 long smv = GetScriptManagerVariable (smKeyScript);
4536 Handle uchrHandle = GetResource
4537 ('uchr', GetScriptVariable (smv, smScriptKeys));
4538 UInt32 dummy = 0;
4539 UCKeyTranslate ((UCKeyboardLayout*)*uchrHandle,
4540 [[theEvent characters] characterAtIndex: 0],
4541 kUCKeyActionDisplay,
4542 (flags & ~NSCommandKeyMask) >> 8,
4543 LMGetKbdType (), kUCKeyTranslateNoDeadKeysMask,
4544 &dummy, 1, &dummy, &code);
4545 code &= 0xFF;
4546 }
4547 #endif
4548 }
4549 }
4550
4551 if (flags & NSControlKeyMask)
4552 emacs_event->modifiers |=
4553 parse_solitary_modifier (ns_control_modifier);
4554
4555 if (flags & NS_FUNCTION_KEY_MASK && !fnKeysym)
4556 emacs_event->modifiers |=
4557 parse_solitary_modifier (ns_function_modifier);
4558
4559 if (flags & NSAlternateKeyMask) /* default = meta */
4560 {
4561 if ((NILP (ns_alternate_modifier) || EQ (ns_alternate_modifier, Qnone))
4562 && !fnKeysym)
4563 { /* accept pre-interp alt comb */
4564 if ([[theEvent characters] length] > 0)
4565 code = [[theEvent characters] characterAtIndex: 0];
4566 /*HACK: clear lone shift modifier to stop next if from firing */
4567 if (emacs_event->modifiers == shift_modifier)
4568 emacs_event->modifiers = 0;
4569 }
4570 else
4571 emacs_event->modifiers |=
4572 parse_solitary_modifier (ns_alternate_modifier);
4573 }
4574
4575 if (NS_KEYLOG)
4576 fprintf (stderr, "keyDown: code =%x\tfnKey =%x\tflags = %x\tmods = %x\n",
4577 code, fnKeysym, flags, emacs_event->modifiers);
4578
4579 /* if it was a function key or had modifiers, pass it directly to emacs */
4580 if (fnKeysym || (emacs_event->modifiers
4581 && [[theEvent charactersIgnoringModifiers] length] > 0))
4582 /*[[theEvent characters] length] */
4583 {
4584 emacs_event->kind = NON_ASCII_KEYSTROKE_EVENT;
4585 if (code < 0x20)
4586 code |= (1<<28)|(3<<16);
4587 else if (code == 0x7f)
4588 code |= (1<<28)|(3<<16);
4589 else if (!fnKeysym)
4590 emacs_event->kind = code > 0xFF
4591 ? MULTIBYTE_CHAR_KEYSTROKE_EVENT : ASCII_KEYSTROKE_EVENT;
4592
4593 emacs_event->code = code;
4594 EV_TRAILER (theEvent);
4595 return;
4596 }
4597 }
4598
4599 /* if we get here we should send the key for input manager processing */
4600 if (firstTime && [[NSInputManager currentInputManager]
4601 wantsToDelayTextChangeNotifications] == NO)
4602 fprintf (stderr,
4603 "Emacs: WARNING: TextInput mgr wants marked text to be permanent!\n");
4604 firstTime = NO;
4605
4606 if (NS_KEYLOG && !processingCompose)
4607 fprintf (stderr, "keyDown: Begin compose sequence.\n");
4608
4609 processingCompose = YES;
4610 [nsEvArray addObject: theEvent];
4611 [self interpretKeyEvents: nsEvArray];
4612 [nsEvArray removeObject: theEvent];
4613 }
4614
4615
4616 #ifdef NS_IMPL_COCOA
4617 /* Needed to pick up Ctrl-tab and possibly other events that OS X has
4618 decided not to send key-down for.
4619 See http://osdir.com/ml/editors.vim.mac/2007-10/msg00141.html
4620 If it matches one of these, send it on to keyDown. */
4621 -(void)keyUp: (NSEvent *)theEvent
4622 {
4623 int flags = [theEvent modifierFlags];
4624 int code = [theEvent keyCode];
4625 if (code == 0x30 && (flags & NSControlKeyMask) && !(flags & NSCommandKeyMask))
4626 {
4627 if (NS_KEYLOG)
4628 fprintf (stderr, "keyUp: passed test");
4629 ns_fake_keydown = YES;
4630 [self keyDown: theEvent];
4631 }
4632 }
4633 #endif
4634
4635
4636 /* <NSTextInput> implementation (called through super interpretKeyEvents:]). */
4637
4638
4639 /* <NSTextInput>: called when done composing;
4640 NOTE: also called when we delete over working text, followed immed.
4641 by doCommandBySelector: deleteBackward: */
4642 - (void)insertText: (id)aString
4643 {
4644 int code;
4645 int len = [(NSString *)aString length];
4646 int i;
4647
4648 if (NS_KEYLOG)
4649 NSLog (@"insertText '%@'\tlen = %d", aString, len);
4650 processingCompose = NO;
4651
4652 if (!emacs_event)
4653 return;
4654
4655 /* first, clear any working text */
4656 if (workingText != nil)
4657 [self deleteWorkingText];
4658
4659 /* now insert the string as keystrokes */
4660 for (i =0; i<len; i++)
4661 {
4662 code = [aString characterAtIndex: i];
4663 /* TODO: still need this? */
4664 if (code == 0x2DC)
4665 code = '~'; /* 0x7E */
4666 emacs_event->modifiers = 0;
4667 emacs_event->kind
4668 = code > 0xFF ? MULTIBYTE_CHAR_KEYSTROKE_EVENT : ASCII_KEYSTROKE_EVENT;
4669 emacs_event->code = code;
4670 EV_TRAILER ((id)nil);
4671 }
4672 }
4673
4674
4675 /* <NSTextInput>: inserts display of composing characters */
4676 - (void)setMarkedText: (id)aString selectedRange: (NSRange)selRange
4677 {
4678 NSString *str = [aString respondsToSelector: @selector (string)] ?
4679 [aString string] : aString;
4680 if (NS_KEYLOG)
4681 NSLog (@"setMarkedText '%@' len =%d range %d from %d", str, [str length],
4682 selRange.length, selRange.location);
4683
4684 if (workingText != nil)
4685 [self deleteWorkingText];
4686 if ([str length] == 0)
4687 return;
4688
4689 if (!emacs_event)
4690 return;
4691
4692 processingCompose = YES;
4693 workingText = [str copy];
4694 ns_working_text = build_string ([workingText UTF8String]);
4695
4696 emacs_event->kind = NS_TEXT_EVENT;
4697 emacs_event->code = KEY_NS_PUT_WORKING_TEXT;
4698 EV_TRAILER ((id)nil);
4699 }
4700
4701
4702 /* delete display of composing characters [not in <NSTextInput>] */
4703 - (void)deleteWorkingText
4704 {
4705 if (workingText == nil)
4706 return;
4707 if (NS_KEYLOG)
4708 NSLog(@"deleteWorkingText len =%d\n", [workingText length]);
4709 [workingText release];
4710 workingText = nil;
4711 processingCompose = NO;
4712
4713 if (!emacs_event)
4714 return;
4715
4716 emacs_event->kind = NS_TEXT_EVENT;
4717 emacs_event->code = KEY_NS_UNPUT_WORKING_TEXT;
4718 EV_TRAILER ((id)nil);
4719 }
4720
4721
4722 - (BOOL)hasMarkedText
4723 {
4724 return workingText != nil;
4725 }
4726
4727
4728 - (NSRange)markedRange
4729 {
4730 NSRange rng = workingText != nil
4731 ? NSMakeRange (0, [workingText length]) : NSMakeRange (NSNotFound, 0);
4732 if (NS_KEYLOG)
4733 NSLog (@"markedRange request");
4734 return rng;
4735 }
4736
4737
4738 - (void)unmarkText
4739 {
4740 if (NS_KEYLOG)
4741 NSLog (@"unmark (accept) text");
4742 [self deleteWorkingText];
4743 processingCompose = NO;
4744 }
4745
4746
4747 /* used to position char selection windows, etc. */
4748 - (NSRect)firstRectForCharacterRange: (NSRange)theRange
4749 {
4750 NSRect rect;
4751 NSPoint pt;
4752 struct window *win = XWINDOW (FRAME_SELECTED_WINDOW (emacsframe));
4753 if (NS_KEYLOG)
4754 NSLog (@"firstRectForCharRange request");
4755
4756 rect.size.width = theRange.length * FRAME_COLUMN_WIDTH (emacsframe);
4757 rect.size.height = FRAME_LINE_HEIGHT (emacsframe);
4758 pt.x = WINDOW_TEXT_TO_FRAME_PIXEL_X (win, win->phys_cursor.x);
4759 pt.y = WINDOW_TO_FRAME_PIXEL_Y (win, win->phys_cursor.y
4760 +FRAME_LINE_HEIGHT (emacsframe));
4761
4762 pt = [self convertPoint: pt toView: nil];
4763 pt = [[self window] convertBaseToScreen: pt];
4764 rect.origin = pt;
4765 return rect;
4766 }
4767
4768
4769 - (NSInteger)conversationIdentifier
4770 {
4771 return (NSInteger)self;
4772 }
4773
4774
4775 - (void)doCommandBySelector: (SEL)aSelector
4776 {
4777 if (NS_KEYLOG)
4778 NSLog (@"doCommandBySelector: %@", NSStringFromSelector (aSelector));
4779
4780 if (aSelector == @selector (deleteBackward:))
4781 {
4782 /* happens when user backspaces over an ongoing composition:
4783 throw a 'delete' into the event queue */
4784 if (!emacs_event)
4785 return;
4786 emacs_event->kind = NON_ASCII_KEYSTROKE_EVENT;
4787 emacs_event->code = 0xFF08;
4788 EV_TRAILER ((id)nil);
4789 }
4790 }
4791
4792 - (NSArray *)validAttributesForMarkedText
4793 {
4794 static NSArray *arr = nil;
4795 if (arr == nil) arr = [NSArray new];
4796 /* [[NSArray arrayWithObject: NSUnderlineStyleAttributeName] retain]; */
4797 return arr;
4798 }
4799
4800 - (NSRange)selectedRange
4801 {
4802 if (NS_KEYLOG)
4803 NSLog (@"selectedRange request");
4804 return NSMakeRange (NSNotFound, 0);
4805 }
4806
4807 - (unsigned int)characterIndexForPoint: (NSPoint)thePoint
4808 {
4809 if (NS_KEYLOG)
4810 NSLog (@"characterIndexForPoint request");
4811 return 0;
4812 }
4813
4814 - (NSAttributedString *)attributedSubstringFromRange: (NSRange)theRange
4815 {
4816 static NSAttributedString *str = nil;
4817 if (str == nil) str = [NSAttributedString new];
4818 if (NS_KEYLOG)
4819 NSLog (@"attributedSubstringFromRange request");
4820 return str;
4821 }
4822
4823 /* End <NSTextInput> impl. */
4824 /*****************************************************************************/
4825
4826
4827 /* This is what happens when the user presses a mouse button. */
4828 - (void)mouseDown: (NSEvent *)theEvent
4829 {
4830 NSPoint p = [self convertPoint: [theEvent locationInWindow] fromView: nil];
4831 Lisp_Object window;
4832
4833 NSTRACE (mouseDown);
4834
4835 [self deleteWorkingText];
4836
4837 if (!emacs_event)
4838 return;
4839
4840 last_mouse_frame = emacsframe;
4841 /* appears to be needed to prevent spurious movement events generated on
4842 button clicks */
4843 last_mouse_frame->mouse_moved = 0;
4844
4845 if ([theEvent type] == NSScrollWheel)
4846 {
4847 float delta = [theEvent deltaY];
4848 /* Mac notebooks send wheel events w/delta =0 when trackpad scrolling */
4849 if (delta == 0)
4850 return;
4851 emacs_event->kind = WHEEL_EVENT;
4852 emacs_event->code = 0;
4853 emacs_event->modifiers = EV_MODIFIERS (theEvent) |
4854 ((delta > 0) ? up_modifier : down_modifier);
4855 }
4856 else
4857 {
4858 emacs_event->kind = MOUSE_CLICK_EVENT;
4859 emacs_event->code = EV_BUTTON (theEvent);
4860 emacs_event->modifiers = EV_MODIFIERS (theEvent)
4861 | EV_UDMODIFIERS (theEvent);
4862 }
4863 XSETINT (emacs_event->x, lrint (p.x));
4864 XSETINT (emacs_event->y, lrint (p.y));
4865 EV_TRAILER (theEvent);
4866 }
4867
4868
4869 - (void)rightMouseDown: (NSEvent *)theEvent
4870 {
4871 NSTRACE (rightMouseDown);
4872 [self mouseDown: theEvent];
4873 }
4874
4875
4876 - (void)otherMouseDown: (NSEvent *)theEvent
4877 {
4878 NSTRACE (otherMouseDown);
4879 [self mouseDown: theEvent];
4880 }
4881
4882
4883 - (void)mouseUp: (NSEvent *)theEvent
4884 {
4885 NSTRACE (mouseUp);
4886 [self mouseDown: theEvent];
4887 }
4888
4889
4890 - (void)rightMouseUp: (NSEvent *)theEvent
4891 {
4892 NSTRACE (rightMouseUp);
4893 [self mouseDown: theEvent];
4894 }
4895
4896
4897 - (void)otherMouseUp: (NSEvent *)theEvent
4898 {
4899 NSTRACE (otherMouseUp);
4900 [self mouseDown: theEvent];
4901 }
4902
4903
4904 - (void) scrollWheel: (NSEvent *)theEvent
4905 {
4906 NSTRACE (scrollWheel);
4907 [self mouseDown: theEvent];
4908 }
4909
4910
4911 /* Tell emacs the mouse has moved. */
4912 - (void)mouseMoved: (NSEvent *)e
4913 {
4914 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (emacsframe);
4915 Lisp_Object frame;
4916
4917 // NSTRACE (mouseMoved);
4918
4919 last_mouse_movement_time = EV_TIMESTAMP (e);
4920 last_mouse_motion_position
4921 = [self convertPoint: [e locationInWindow] fromView: nil];
4922
4923 /* update any mouse face */
4924 if (dpyinfo->mouse_face_hidden)
4925 {
4926 dpyinfo->mouse_face_hidden = 0;
4927 clear_mouse_face (dpyinfo);
4928 }
4929
4930 /* tooltip handling */
4931 previous_help_echo_string = help_echo_string;
4932 help_echo_string = Qnil;
4933
4934 if (!note_mouse_movement (emacsframe, last_mouse_motion_position.x,
4935 last_mouse_motion_position.y))
4936 help_echo_string = previous_help_echo_string;
4937
4938 XSETFRAME (frame, emacsframe);
4939 if (!NILP (help_echo_string) || !NILP (previous_help_echo_string))
4940 {
4941 /* NOTE: help_echo_{window,pos,object} are set in xdisp.c
4942 (note_mouse_highlight), which is called through the
4943 note_mouse_movement () call above */
4944 gen_help_event (help_echo_string, frame, help_echo_window,
4945 help_echo_object, help_echo_pos);
4946 }
4947 else
4948 {
4949 help_echo_string = Qnil;
4950 gen_help_event (Qnil, frame, Qnil, Qnil, 0);
4951 }
4952
4953 if (emacsframe->mouse_moved && send_appdefined)
4954 ns_send_appdefined (-1);
4955 }
4956
4957
4958 - (void)mouseDragged: (NSEvent *)e
4959 {
4960 NSTRACE (mouseDragged);
4961 [self mouseMoved: e];
4962 }
4963
4964
4965 - (void)rightMouseDragged: (NSEvent *)e
4966 {
4967 NSTRACE (rightMouseDragged);
4968 [self mouseMoved: e];
4969 }
4970
4971
4972 - (void)otherMouseDragged: (NSEvent *)e
4973 {
4974 NSTRACE (otherMouseDragged);
4975 [self mouseMoved: e];
4976 }
4977
4978
4979 - (BOOL)windowShouldClose: (id)sender
4980 {
4981 NSEvent *e =[[self window] currentEvent];
4982
4983 NSTRACE (windowShouldClose);
4984 windowClosing = YES;
4985 if (!emacs_event)
4986 return NO;
4987 emacs_event->kind = DELETE_WINDOW_EVENT;
4988 emacs_event->modifiers = 0;
4989 emacs_event->code = 0;
4990 EV_TRAILER (e);
4991 /* Don't close this window, let this be done from lisp code. */
4992 return NO;
4993 }
4994
4995
4996 - (NSSize)windowWillResize: (NSWindow *)sender toSize: (NSSize)frameSize
4997 /* normalize frame to gridded text size */
4998 {
4999 NSTRACE (windowWillResize);
5000 /*fprintf (stderr,"Window will resize: %.0f x %.0f\n",frameSize.width,frameSize.height); */
5001
5002 cols = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (emacsframe,
5003 #ifdef NS_IMPL_GNUSTEP
5004 frameSize.width + 3);
5005 #else
5006 frameSize.width);
5007 #endif
5008 if (cols < MINWIDTH)
5009 cols = MINWIDTH;
5010 frameSize.width = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (emacsframe, cols);
5011
5012 rows = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (emacsframe, frameSize.height
5013 #ifdef NS_IMPL_GNUSTEP
5014 - FRAME_NS_TITLEBAR_HEIGHT (emacsframe) + 3
5015 - FRAME_NS_TOOLBAR_HEIGHT (emacsframe));
5016 #else
5017 - FRAME_NS_TITLEBAR_HEIGHT (emacsframe)
5018 - FRAME_NS_TOOLBAR_HEIGHT (emacsframe));
5019 #endif
5020 if (rows < MINHEIGHT)
5021 rows = MINHEIGHT;
5022 frameSize.height = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (emacsframe, rows)
5023 + FRAME_NS_TITLEBAR_HEIGHT (emacsframe)
5024 + FRAME_NS_TOOLBAR_HEIGHT (emacsframe);
5025 #ifdef NS_IMPL_COCOA
5026 {
5027 /* this sets window title to have size in it; the wm does this under GS */
5028 NSRect r = [[self window] frame];
5029 if (r.size.height == frameSize.height && r.size.width == frameSize.width)
5030 {
5031 if (old_title != 0)
5032 {
5033 xfree (old_title);
5034 old_title = 0;
5035 }
5036 }
5037 else
5038 {
5039 char *size_title;
5040 NSWindow *window = [self window];
5041 if (old_title == 0)
5042 {
5043 const char *t = [[[self window] title] UTF8String];
5044 char *pos = strstr (t, " — ");
5045 if (pos)
5046 *pos = '\0';
5047 old_title = (char *) xmalloc (strlen (t) + 1);
5048 strcpy (old_title, t);
5049 }
5050 size_title = xmalloc (strlen (old_title) + 40);
5051 sprintf (size_title, "%s — (%d x %d)", old_title, cols, rows);
5052 [window setTitle: [NSString stringWithUTF8String: size_title]];
5053 [window display];
5054 xfree (size_title);
5055 }
5056 }
5057 #endif /* NS_IMPL_COCOA */
5058 /*fprintf (stderr," ...size became %.0f x %.0f (%d x %d)\n",frameSize.width,frameSize.height,cols,rows); */
5059
5060 return frameSize;
5061 }
5062
5063
5064 - (void)windowDidResize: (NSNotification *)notification
5065 {
5066 NSWindow *theWindow = [notification object];
5067
5068 #ifdef NS_IMPL_GNUSTEP
5069 /* in GNUstep, at least currently, it's possible to get a didResize
5070 without getting a willResize.. therefore we need to act as if we got
5071 the willResize now */
5072 NSSize sz = [theWindow frame].size;
5073 sz = [self windowWillResize: theWindow toSize: sz];
5074 #endif /* NS_IMPL_GNUSTEP */
5075
5076 NSTRACE (windowDidResize);
5077 /*fprintf (stderr,"windowDidResize: %.0f\n",[theWindow frame].size.height); */
5078
5079 #ifdef NS_IMPL_COCOA
5080 if (old_title != 0)
5081 {
5082 xfree (old_title);
5083 old_title = 0;
5084 }
5085 #endif /* NS_IMPL_COCOA */
5086
5087 // Calling x_set_window_size tends to get us into inf-loops
5088 // (x_set_window_size causes a resize which causes
5089 // a "windowDidResize" which calls x_set_window_size).
5090 // At least with GNUStep, don't know about MacOSX. --Stef
5091 #ifndef NS_IMPL_GNUSTEP
5092 if (cols > 0 && rows > 0)
5093 x_set_window_size (emacsframe, 0, cols, rows);
5094 #endif
5095
5096 ns_send_appdefined (-1);
5097 }
5098
5099
5100 - (void)windowDidBecomeKey: (NSNotification *)notification
5101 /* cf. x_detect_focus_change(), x_focus_changed(), x_new_focus_frame() */
5102 {
5103 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (emacsframe);
5104 struct frame *old_focus = dpyinfo->x_focus_frame;
5105
5106 NSTRACE (windowDidBecomeKey);
5107
5108 if (emacsframe != old_focus)
5109 dpyinfo->x_focus_frame = emacsframe;
5110
5111 ns_frame_rehighlight (emacsframe);
5112
5113 if (emacs_event)
5114 {
5115 emacs_event->kind = FOCUS_IN_EVENT;
5116 EV_TRAILER ((id)nil);
5117 }
5118 }
5119
5120
5121 - (void)windowDidResignKey: (NSNotification *)notification
5122 /* cf. x_detect_focus_change(), x_focus_changed(), x_new_focus_frame() */
5123 {
5124 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (emacsframe);
5125 NSTRACE (windowDidResignKey);
5126
5127 if (dpyinfo->x_focus_frame == emacsframe)
5128 dpyinfo->x_focus_frame = 0;
5129
5130 ns_frame_rehighlight (emacsframe);
5131
5132 /* FIXME: for some reason needed on second and subsequent clicks away
5133 from sole-frame Emacs to get hollow box to show */
5134 if (!windowClosing && [[self window] isVisible] == YES)
5135 {
5136 x_update_cursor (emacsframe, 1);
5137 x_set_frame_alpha (emacsframe);
5138 }
5139
5140 if (emacs_event)
5141 {
5142 [self deleteWorkingText];
5143 emacs_event->kind = FOCUS_IN_EVENT;
5144 EV_TRAILER ((id)nil);
5145 }
5146 }
5147
5148
5149 - (void)windowWillMiniaturize: sender
5150 {
5151 NSTRACE (windowWillMiniaturize);
5152 }
5153
5154
5155 - (BOOL)isFlipped
5156 {
5157 return YES;
5158 }
5159
5160
5161 - (BOOL)isOpaque
5162 {
5163 return NO;
5164 }
5165
5166
5167 - initFrameFromEmacs: (struct frame *)f
5168 {
5169 NSRect r, wr;
5170 Lisp_Object tem;
5171 NSWindow *win;
5172 NSButton *toggleButton;
5173 int vbextra = NS_SCROLL_BAR_WIDTH (f);
5174 NSSize sz;
5175 NSColor *col;
5176 NSString *name;
5177
5178 NSTRACE (initFrameFromEmacs);
5179
5180 windowClosing = NO;
5181 processingCompose = NO;
5182 scrollbarsNeedingUpdate = 0;
5183
5184 /*fprintf (stderr,"init with %d, %d\n",f->text_cols, f->text_lines); */
5185
5186 r = NSMakeRect (0, 0, FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, f->text_cols),
5187 FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, f->text_lines));
5188 [self initWithFrame: r];
5189
5190 FRAME_NS_VIEW (f) = self;
5191 emacsframe = f;
5192 old_title = 0;
5193
5194 win = [[EmacsWindow alloc]
5195 initWithContentRect: r
5196 styleMask: (NSResizableWindowMask |
5197 NSMiniaturizableWindowMask |
5198 NSClosableWindowMask)
5199 backing: NSBackingStoreBuffered
5200 defer: YES];
5201
5202 wr = [win frame];
5203 f->border_width = wr.size.width - r.size.width;
5204 FRAME_NS_TITLEBAR_HEIGHT (f) = wr.size.height - r.size.height;
5205
5206 [win setAcceptsMouseMovedEvents: YES];
5207 [win setDelegate: self];
5208 [win useOptimizedDrawing: YES];
5209
5210 sz.width = FRAME_COLUMN_WIDTH (f);
5211 sz.height = FRAME_LINE_HEIGHT (f);
5212 [win setResizeIncrements: sz];
5213
5214 [[win contentView] addSubview: self];
5215
5216 if (ns_drag_types)
5217 [self registerForDraggedTypes: ns_drag_types];
5218
5219 tem = f->name;
5220 name = [NSString stringWithUTF8String:
5221 NILP (tem) ? (unsigned char *)"Emacs" : SDATA (tem)];
5222 [win setTitle: name];
5223
5224 /* toolbar support */
5225 toolbar = [[EmacsToolbar alloc] initForView: self withIdentifier:
5226 [NSString stringWithFormat: @"Emacs Frame %d",
5227 ns_window_num]];
5228 [win setToolbar: toolbar];
5229 [toolbar setVisible: NO];
5230 #ifdef NS_IMPL_COCOA
5231 toggleButton = [win standardWindowButton: NSWindowToolbarButton];
5232 [toggleButton setTarget: self];
5233 [toggleButton setAction: @selector (toggleToolbar: )];
5234 #endif
5235 FRAME_NS_TOOLBAR_HEIGHT (f) = 0;
5236
5237 tem = f->icon_name;
5238 if (!NILP (tem))
5239 [win setMiniwindowTitle:
5240 [NSString stringWithUTF8String: SDATA (tem)]];
5241
5242 {
5243 NSScreen *screen = [win screen];
5244
5245 if (screen != 0)
5246 [win setFrameTopLeftPoint: NSMakePoint
5247 (IN_BOUND (-SCREENMAX, f->left_pos, SCREENMAX),
5248 IN_BOUND (-SCREENMAX,
5249 [screen frame].size.height - NS_TOP_POS (f), SCREENMAX))];
5250 }
5251
5252 [win makeFirstResponder: self];
5253
5254 col = ns_lookup_indexed_color (NS_FACE_BACKGROUND
5255 (FRAME_DEFAULT_FACE (emacsframe)), emacsframe);
5256 [win setBackgroundColor: col];
5257 if ([col alphaComponent] != 1.0)
5258 [win setOpaque: NO];
5259
5260 [self allocateGState];
5261
5262 ns_window_num++;
5263 return self;
5264 }
5265
5266
5267 - (void)windowDidMove: sender
5268 {
5269 NSWindow *win = [self window];
5270 NSRect r = [win frame];
5271 NSScreen *screen = [win screen];
5272 NSRect sr = [screen frame];
5273
5274 NSTRACE (windowDidMove);
5275
5276 if (!emacsframe->output_data.ns)
5277 return;
5278 if (screen != nil)
5279 {
5280 emacsframe->left_pos = r.origin.x; /* - sr.origin.x; */
5281 emacsframe->top_pos = sr.size.height -
5282 (r.origin.y + r.size.height); /* + sr.origin.y; */
5283 }
5284 }
5285
5286 #ifdef NS_IMPL_COCOA
5287 /* if we don't do this manually, the window will resize but not move */
5288 - (BOOL)windowShouldZoom: (NSWindow *)sender toFrame: (NSRect)newFrame
5289 {
5290 NSTRACE (windowShouldZoom);
5291 [[self window] setFrame: newFrame display: NO];
5292 return YES;
5293 }
5294 #endif
5295
5296
5297 /* Override to do something slightly nonstandard, but nice. First click on
5298 zoom button will zoom vertically. Second will zoom completely. Third
5299 returns to original. */
5300 - (NSRect)windowWillUseStandardFrame:(NSWindow *)sender
5301 defaultFrame:(NSRect)defaultFrame
5302 {
5303 NSRect result = [sender frame];
5304 NSTRACE (windowWillUseStandardFrame);
5305
5306 if (result.size.height == defaultFrame.size.height) {
5307 result = defaultFrame;
5308 } else {
5309 result.size.height = defaultFrame.size.height;
5310 result.origin.y = defaultFrame.origin.y;
5311 }
5312
5313 /* A windowWillResize does not get generated at least on Tiger. */
5314 [self windowWillResize: sender toSize: result.size];
5315 return result;
5316 }
5317
5318
5319 - (void)windowDidDeminiaturize: sender
5320 {
5321 NSTRACE (windowDidDeminiaturize);
5322 if (!emacsframe->output_data.ns)
5323 return;
5324 emacsframe->async_iconified = 0;
5325 emacsframe->async_visible = 1;
5326 windows_or_buffers_changed++;
5327
5328 if (emacs_event)
5329 {
5330 emacs_event->kind = ICONIFY_EVENT;
5331 EV_TRAILER ((id)nil);
5332 }
5333 }
5334
5335
5336 - (void)windowDidExpose: sender
5337 {
5338 NSTRACE (windowDidExpose);
5339 if (!emacsframe->output_data.ns)
5340 return;
5341 emacsframe->async_visible = 1;
5342 SET_FRAME_GARBAGED (emacsframe);
5343
5344 if (send_appdefined)
5345 ns_send_appdefined (-1);
5346 }
5347
5348
5349 - (void)windowDidMiniaturize: sender
5350 {
5351 NSTRACE (windowDidMiniaturize);
5352 if (!emacsframe->output_data.ns)
5353 return;
5354
5355 emacsframe->async_iconified = 1;
5356 emacsframe->async_visible = 0;
5357
5358 if (emacs_event)
5359 {
5360 emacs_event->kind = ICONIFY_EVENT;
5361 EV_TRAILER ((id)nil);
5362 }
5363 }
5364
5365
5366 - (void)mouseEntered: (NSEvent *)theEvent
5367 {
5368 NSPoint p = [self convertPoint: [theEvent locationInWindow] fromView: nil];
5369 struct ns_display_info *dpyinfo = FRAME_NS_DISPLAY_INFO (emacsframe);
5370 NSTRACE (mouseEntered);
5371
5372 last_mouse_movement_time = EV_TIMESTAMP (theEvent);
5373 }
5374
5375
5376 - (void)mouseExited: (NSEvent *)theEvent
5377 {
5378 NSPoint p = [self convertPoint: [theEvent locationInWindow] fromView: nil];
5379 NSRect r;
5380 struct ns_display_info *dpyinfo
5381 = emacsframe ? FRAME_NS_DISPLAY_INFO (emacsframe) : NULL;
5382
5383 NSTRACE (mouseExited);
5384
5385 if (dpyinfo || !emacsframe)
5386 return;
5387
5388 last_mouse_movement_time = EV_TIMESTAMP (theEvent);
5389
5390 if (emacsframe == dpyinfo->mouse_face_mouse_frame)
5391 {
5392 clear_mouse_face (dpyinfo);
5393 dpyinfo->mouse_face_mouse_frame = 0;
5394 }
5395 }
5396
5397
5398 - menuDown: sender
5399 {
5400 NSTRACE (menuDown);
5401 if (context_menu_value == -1)
5402 context_menu_value = [sender tag];
5403 else
5404 find_and_call_menu_selection (emacsframe, emacsframe->menu_bar_items_used,
5405 emacsframe->menu_bar_vector,
5406 (void *)[sender tag]);
5407 ns_send_appdefined (-1);
5408 return self;
5409 }
5410
5411
5412 - (EmacsToolbar *)toolbar
5413 {
5414 return toolbar;
5415 }
5416
5417
5418 /* this gets called on toolbar button click */
5419 - toolbarClicked: (id)item
5420 {
5421 NSEvent *theEvent;
5422 int idx = [item tag] * TOOL_BAR_ITEM_NSLOTS;
5423
5424 NSTRACE (toolbarClicked);
5425
5426 if (!emacs_event)
5427 return self;
5428
5429 /* send first event (for some reason two needed) */
5430 theEvent = [[self window] currentEvent];
5431 emacs_event->kind = TOOL_BAR_EVENT;
5432 XSETFRAME (emacs_event->arg, emacsframe);
5433 EV_TRAILER (theEvent);
5434
5435 emacs_event->kind = TOOL_BAR_EVENT;
5436 /* XSETINT (emacs_event->code, 0); */
5437 emacs_event->arg = AREF (emacsframe->tool_bar_items,
5438 idx + TOOL_BAR_ITEM_KEY);
5439 emacs_event->modifiers = EV_MODIFIERS (theEvent);
5440 EV_TRAILER (theEvent);
5441 return self;
5442 }
5443
5444
5445 - toggleToolbar: (id)sender
5446 {
5447 if (!emacs_event)
5448 return self;
5449
5450 emacs_event->kind = NS_NONKEY_EVENT;
5451 emacs_event->code = KEY_NS_TOGGLE_TOOLBAR;
5452 EV_TRAILER ((id)nil);
5453 return self;
5454 }
5455
5456
5457 - (void)drawRect: (NSRect)rect
5458 {
5459 int x = NSMinX (rect), y = NSMinY (rect);
5460 int width = NSWidth (rect), height = NSHeight (rect);
5461
5462 NSTRACE (drawRect);
5463
5464 if (!emacsframe || !emacsframe->output_data.ns || ns_in_resize)
5465 return;
5466
5467 ns_clear_frame_area (emacsframe, x, y, width, height);
5468 expose_frame (emacsframe, x, y, width, height);
5469 emacsframe->async_visible = 1;
5470 emacsframe->async_iconified = 0;
5471 }
5472
5473
5474 /* NSDraggingDestination protocol methods. Actually this is not really a
5475 protocol, but a category of Object. O well... */
5476
5477 -(unsigned int) draggingEntered: (id <NSDraggingInfo>) sender
5478 {
5479 NSTRACE (draggingEntered);
5480 return NSDragOperationGeneric;
5481 }
5482
5483
5484 -(BOOL)prepareForDragOperation: (id <NSDraggingInfo>) sender
5485 {
5486 return YES;
5487 }
5488
5489
5490 -(BOOL)performDragOperation: (id <NSDraggingInfo>) sender
5491 {
5492 id pb;
5493 int x, y;
5494 NSString *type;
5495 NSEvent *theEvent = [[self window] currentEvent];
5496 NSPoint position;
5497
5498 NSTRACE (performDragOperation);
5499
5500 if (!emacs_event)
5501 return;
5502
5503 position = [self convertPoint: [sender draggingLocation] fromView: nil];
5504 x = lrint (position.x); y = lrint (position.y);
5505
5506 pb = [sender draggingPasteboard];
5507 type = [pb availableTypeFromArray: ns_drag_types];
5508 if (type == 0)
5509 {
5510 return NO;
5511 }
5512 else if ([type isEqualToString: NSFilenamesPboardType])
5513 {
5514 NSArray *files;
5515 NSEnumerator *fenum;
5516 NSString *file;
5517
5518 if (!(files = [pb propertyListForType: type]))
5519 return NO;
5520
5521 fenum = [files objectEnumerator];
5522 while ( (file = [fenum nextObject]) )
5523 {
5524 emacs_event->kind = NS_NONKEY_EVENT;
5525 emacs_event->code = KEY_NS_DRAG_FILE;
5526 XSETINT (emacs_event->x, x);
5527 XSETINT (emacs_event->y, y);
5528 ns_input_file = append2 (ns_input_file,
5529 build_string ([file UTF8String]));
5530 emacs_event->modifiers = EV_MODIFIERS (theEvent);
5531 EV_TRAILER (theEvent);
5532 }
5533 return YES;
5534 }
5535 else if ([type isEqualToString: NSURLPboardType])
5536 {
5537 NSString *file;
5538 NSURL *fileURL;
5539
5540 if (!(fileURL = [NSURL URLFromPasteboard: pb]) ||
5541 [fileURL isFileURL] == NO)
5542 return NO;
5543
5544 file = [fileURL path];
5545 emacs_event->kind = NS_NONKEY_EVENT;
5546 emacs_event->code = KEY_NS_DRAG_FILE;
5547 XSETINT (emacs_event->x, x);
5548 XSETINT (emacs_event->y, y);
5549 ns_input_file = append2 (ns_input_file, build_string ([file UTF8String]));
5550 emacs_event->modifiers = EV_MODIFIERS (theEvent);
5551 EV_TRAILER (theEvent);
5552 return YES;
5553 }
5554 else if ([type isEqualToString: NSStringPboardType]
5555 || [type isEqualToString: NSTabularTextPboardType])
5556 {
5557 NSString *data;
5558
5559 if (! (data = [pb stringForType: type]))
5560 return NO;
5561
5562 emacs_event->kind = NS_NONKEY_EVENT;
5563 emacs_event->code = KEY_NS_DRAG_TEXT;
5564 XSETINT (emacs_event->x, x);
5565 XSETINT (emacs_event->y, y);
5566 ns_input_text = build_string ([data UTF8String]);
5567 emacs_event->modifiers = EV_MODIFIERS (theEvent);
5568 EV_TRAILER (theEvent);
5569 return YES;
5570 }
5571 else if ([type isEqualToString: NSColorPboardType])
5572 {
5573 NSColor *c = [NSColor colorFromPasteboard: pb];
5574 emacs_event->kind = NS_NONKEY_EVENT;
5575 emacs_event->code = KEY_NS_DRAG_COLOR;
5576 XSETINT (emacs_event->x, x);
5577 XSETINT (emacs_event->y, y);
5578 ns_input_color = ns_color_to_lisp (c);
5579 emacs_event->modifiers = EV_MODIFIERS (theEvent);
5580 EV_TRAILER (theEvent);
5581 return YES;
5582 }
5583 else if ([type isEqualToString: NSFontPboardType])
5584 {
5585 /* impl based on GNUstep NSTextView.m */
5586 NSData *data = [pb dataForType: NSFontPboardType];
5587 NSDictionary *dict = [NSUnarchiver unarchiveObjectWithData: data];
5588 NSFont *font = [dict objectForKey: NSFontAttributeName];
5589 char fontSize[10];
5590
5591 if (font == nil)
5592 return NO;
5593
5594 emacs_event->kind = NS_NONKEY_EVENT;
5595 emacs_event->code = KEY_NS_CHANGE_FONT;
5596 XSETINT (emacs_event->x, x);
5597 XSETINT (emacs_event->y, y);
5598 ns_input_font = build_string ([[font fontName] UTF8String]);
5599 snprintf (fontSize, 10, "%f", [font pointSize]);
5600 ns_input_fontsize = build_string (fontSize);
5601 emacs_event->modifiers = EV_MODIFIERS (theEvent);
5602 EV_TRAILER (theEvent);
5603 return YES;
5604 }
5605 else
5606 {
5607 error ("Invalid data type in dragging pasteboard.");
5608 return NO;
5609 }
5610 }
5611
5612
5613 - validRequestorForSendType: (NSString *)typeSent
5614 returnType: (NSString *)typeReturned
5615 {
5616 NSTRACE (validRequestorForSendType);
5617 if ([ns_send_types indexOfObjectIdenticalTo: typeSent] != NSNotFound &&
5618 [ns_return_types indexOfObjectIdenticalTo: typeSent] != NSNotFound)
5619 return self;
5620
5621 return [super validRequestorForSendType: typeSent
5622 returnType: typeReturned];
5623 }
5624
5625
5626 /* The next two methods are part of NSServicesRequests informal protocol,
5627 supposedly called when a services menu item is chosen from this app.
5628 But this should not happen because we override the services menu with our
5629 own entries which call ns-perform-service.
5630 Nonetheless, it appeared to happen (under strange circumstances): bug#1435.
5631 So let's at least stub them out until further investigation can be done. */
5632
5633 - (BOOL) readSelectionFromPasteboard: (NSPasteboard *)pb
5634 {
5635 /* we could call ns_string_from_pasteboard(pboard) here but then it should
5636 be written into the buffer in place of the existing selection..
5637 ordinary service calls go through functions defined in ns-win.el */
5638 return NO;
5639 }
5640
5641 - (BOOL) writeSelectionToPasteboard: (NSPasteboard *)pb types: (NSArray *)types
5642 {
5643 /* supposed to write for as many of types as we are able */
5644 return NO;
5645 }
5646
5647
5648 /* setMini =YES means set from internal (gives a finder icon), NO means set nil
5649 (gives a miniaturized version of the window); currently we use the latter for
5650 frames whose active buffer doesn't correspond to any file
5651 (e.g., '*scratch*') */
5652 - setMiniwindowImage: (BOOL) setMini
5653 {
5654 id image = [[self window] miniwindowImage];
5655 NSTRACE (setMiniwindowImage);
5656
5657 /* NOTE: under Cocoa miniwindowImage always returns nil, documentation
5658 about "AppleDockIconEnabled" notwithstanding, however the set message
5659 below has its effect nonetheless. */
5660 if (image != emacsframe->output_data.ns->miniimage)
5661 {
5662 if (image && [image isKindOfClass: [EmacsImage class]])
5663 [image release];
5664 [[self window] setMiniwindowImage:
5665 setMini ? emacsframe->output_data.ns->miniimage : nil];
5666 }
5667
5668 return self;
5669 }
5670
5671
5672 - (void) setRows: (int) r andColumns: (int) c
5673 {
5674 rows = r;
5675 cols = c;
5676 }
5677
5678 @end /* EmacsView */
5679
5680
5681
5682 /* ==========================================================================
5683
5684 EmacsWindow implementation
5685
5686 ========================================================================== */
5687
5688 @implementation EmacsWindow
5689
5690 /* called only on resize clicks by special case in EmacsApp-sendEvent */
5691 - (void)mouseDown: (NSEvent *)theEvent
5692 {
5693 if (ns_in_resize)
5694 {
5695 NSSize size = [[theEvent window] frame].size;
5696 grabOffset = [theEvent locationInWindow];
5697 grabOffset.x = size.width - grabOffset.x;
5698 }
5699 else
5700 [super mouseDown: theEvent];
5701 }
5702
5703
5704 /* stop resizing */
5705 - (void)mouseUp: (NSEvent *)theEvent
5706 {
5707 if (ns_in_resize)
5708 {
5709 struct frame *f = ((EmacsView *)[self delegate])->emacsframe;
5710 ns_in_resize = NO;
5711 ns_set_name_as_filename (f);
5712 [self display];
5713 ns_send_appdefined (-1);
5714 }
5715 else
5716 [super mouseUp: theEvent];
5717 }
5718
5719
5720 /* send resize events */
5721 - (void)mouseDragged: (NSEvent *)theEvent
5722 {
5723 if (ns_in_resize)
5724 {
5725 NSPoint p = [theEvent locationInWindow];
5726 NSSize size, vettedSize, origSize = [self frame].size;
5727
5728 size.width = p.x + grabOffset.x;
5729 size.height = origSize.height - p.y + grabOffset.y;
5730
5731 if (size.width == origSize.width && size.height == origSize.height)
5732 return;
5733
5734 vettedSize = [[self delegate] windowWillResize: self toSize: size];
5735 if (vettedSize.width != size.width || vettedSize.height != size.height)
5736 {
5737 [[NSNotificationCenter defaultCenter]
5738 postNotificationName: NSWindowDidResizeNotification
5739 object: self];
5740 }
5741 }
5742 else
5743 [super mouseDragged: theEvent];
5744 }
5745
5746 @end /* EmacsWindow */
5747
5748
5749 /* ==========================================================================
5750
5751 EmacsScroller implementation
5752
5753 ========================================================================== */
5754
5755
5756 @implementation EmacsScroller
5757
5758 /* for repeat button push */
5759 #define SCROLL_BAR_FIRST_DELAY 0.5
5760 #define SCROLL_BAR_CONTINUOUS_DELAY (1.0 / 15)
5761
5762 + (float) scrollerWidth
5763 {
5764 /* TODO: if we want to allow variable widths, this is the place to do it,
5765 however neither GNUstep nor Cocoa support it very well */
5766 return [NSScroller scrollerWidth];
5767 }
5768
5769
5770 - initFrame: (NSRect )r window: (Lisp_Object)nwin
5771 {
5772 NSTRACE (EmacsScroller_initFrame);
5773
5774 r.size.width = [EmacsScroller scrollerWidth];
5775 [super initWithFrame: r/*NSMakeRect (0, 0, 0, 0)*/];
5776 [self setContinuous: YES];
5777 [self setEnabled: YES];
5778
5779 /* Ensure auto resizing of scrollbars occurs within the emacs frame's view
5780 locked against the right, top and bottom edges. */
5781 [self setAutoresizingMask: NSViewMinXMargin | NSViewHeightSizable];
5782
5783 win = nwin;
5784 condemned = NO;
5785 pixel_height = NSHeight (r);
5786 min_portion = 20 / pixel_height;
5787
5788 frame = XFRAME (XWINDOW (win)->frame);
5789 if (FRAME_LIVE_P (frame))
5790 {
5791 int i;
5792 EmacsView *view = FRAME_NS_VIEW (frame);
5793 NSView *sview = [[view window] contentView];
5794 NSArray *subs = [sview subviews];
5795
5796 /* disable optimization stopping redraw of other scrollbars */
5797 view->scrollbarsNeedingUpdate = 0;
5798 for (i =[subs count]-1; i >= 0; i--)
5799 if ([[subs objectAtIndex: i] isKindOfClass: [EmacsScroller class]])
5800 view->scrollbarsNeedingUpdate++;
5801 [sview addSubview: self];
5802 }
5803
5804 /* [self setFrame: r]; */
5805
5806 return self;
5807 }
5808
5809
5810 - (void)setFrame: (NSRect)newRect
5811 {
5812 NSTRACE (EmacsScroller_setFrame);
5813 /* BLOCK_INPUT; */
5814 pixel_height = NSHeight (newRect);
5815 min_portion = 20 / pixel_height;
5816 [super setFrame: newRect];
5817 [self display];
5818 /* UNBLOCK_INPUT; */
5819 }
5820
5821
5822 - (void)dealloc
5823 {
5824 NSTRACE (EmacsScroller_dealloc);
5825 if (!NILP (win))
5826 XWINDOW (win)->vertical_scroll_bar = Qnil;
5827 [super dealloc];
5828 }
5829
5830
5831 - condemn
5832 {
5833 NSTRACE (condemn);
5834 condemned =YES;
5835 return self;
5836 }
5837
5838
5839 - reprieve
5840 {
5841 NSTRACE (reprieve);
5842 condemned =NO;
5843 return self;
5844 }
5845
5846
5847 - judge
5848 {
5849 NSTRACE (judge);
5850 if (condemned)
5851 {
5852 BLOCK_INPUT;
5853 /* ensure other scrollbar updates after deletion */
5854 EmacsView *view = (EmacsView *)FRAME_NS_VIEW (frame);
5855 if (view != nil)
5856 view->scrollbarsNeedingUpdate++;
5857 [self removeFromSuperview];
5858 [self release];
5859 UNBLOCK_INPUT;
5860 }
5861 return self;
5862 }
5863
5864
5865 - (void)resetCursorRects
5866 {
5867 NSRect visible = [self visibleRect];
5868 NSTRACE (resetCursorRects);
5869
5870 if (!NSIsEmptyRect (visible))
5871 [self addCursorRect: visible cursor: [NSCursor arrowCursor]];
5872 [[NSCursor arrowCursor] setOnMouseEntered: YES];
5873 }
5874
5875
5876 - (int) checkSamePosition: (int) position portion: (int) portion
5877 whole: (int) whole
5878 {
5879 return em_position ==position && em_portion ==portion && em_whole ==whole
5880 && portion != whole; /* needed for resize empty buf */
5881 }
5882
5883
5884 - setPosition: (int)position portion: (int)portion whole: (int)whole
5885 {
5886 NSTRACE (setPosition);
5887
5888 em_position = position;
5889 em_portion = portion;
5890 em_whole = whole;
5891
5892 if (portion >= whole)
5893 [self setFloatValue: 0.0 knobProportion: 1.0];
5894 else
5895 {
5896 float pos, por;
5897 portion = max ((float)whole*min_portion/pixel_height, portion);
5898 pos = (float)position / (whole - portion);
5899 por = (float)portion/whole;
5900 [self setFloatValue: pos knobProportion: por];
5901 }
5902 #ifdef NS_IMPL_GNUSTEP
5903 [self display];
5904 #endif
5905 return self;
5906 }
5907
5908 /* FIXME: unused at moment (see ns_mouse_position) at the moment because
5909 drag events will go directly to the EmacsScroller. Leaving in for now. */
5910 -(void)getMouseMotionPart: (int *)part window: (Lisp_Object *)window
5911 x: (Lisp_Object *)x y: ( Lisp_Object *)y
5912 {
5913 *part = last_hit_part;
5914 *window = win;
5915 XSETINT (*y, pixel_height);
5916 if ([self floatValue] > 0.999)
5917 XSETINT (*x, pixel_height);
5918 else
5919 XSETINT (*x, pixel_height * [self floatValue]);
5920 }
5921
5922
5923 /* set up emacs_event */
5924 - (void) sendScrollEventAtLoc: (float)loc fromEvent: (NSEvent *)e
5925 {
5926 if (!emacs_event)
5927 return;
5928
5929 emacs_event->part = last_hit_part;
5930 emacs_event->code = 0;
5931 emacs_event->modifiers = EV_MODIFIERS (e) | down_modifier;
5932 emacs_event->frame_or_window = win;
5933 emacs_event->timestamp = EV_TIMESTAMP (e);
5934 emacs_event->kind = SCROLL_BAR_CLICK_EVENT;
5935 emacs_event->arg = Qnil;
5936 XSETINT (emacs_event->x, loc * pixel_height);
5937 XSETINT (emacs_event->y, pixel_height-20);
5938
5939 n_emacs_events_pending++;
5940 kbd_buffer_store_event_hold (emacs_event, q_event_ptr);
5941 EVENT_INIT (*emacs_event);
5942 ns_send_appdefined (-1);
5943 }
5944
5945
5946 /* called manually thru timer to implement repeated button action w/hold-down */
5947 - repeatScroll: (NSTimer *)scrollEntry
5948 {
5949 NSEvent *e = [[self window] currentEvent];
5950 NSPoint p = [[self window] mouseLocationOutsideOfEventStream];
5951 BOOL inKnob = [self testPart: p] == NSScrollerKnob;
5952
5953 /* clear timer if need be */
5954 if (inKnob || [scroll_repeat_entry timeInterval] == SCROLL_BAR_FIRST_DELAY)
5955 {
5956 [scroll_repeat_entry invalidate];
5957 [scroll_repeat_entry release];
5958 scroll_repeat_entry = nil;
5959
5960 if (inKnob)
5961 return self;
5962
5963 scroll_repeat_entry
5964 = [[NSTimer scheduledTimerWithTimeInterval:
5965 SCROLL_BAR_CONTINUOUS_DELAY
5966 target: self
5967 selector: @selector (repeatScroll:)
5968 userInfo: 0
5969 repeats: YES]
5970 retain];
5971 }
5972
5973 [self sendScrollEventAtLoc: 0 fromEvent: e];
5974 return self;
5975 }
5976
5977
5978 /* Asynchronous mouse tracking for scroller. This allows us to dispatch
5979 mouseDragged events without going into a modal loop. */
5980 - (void)mouseDown: (NSEvent *)e
5981 {
5982 NSRect sr, kr;
5983 /* hitPart is only updated AFTER event is passed on */
5984 NSScrollerPart part = [self testPart: [e locationInWindow]];
5985 double inc = 0.0, loc, kloc, pos;
5986 int edge = 0;
5987
5988 NSTRACE (EmacsScroller_mouseDown);
5989
5990 switch (part)
5991 {
5992 case NSScrollerDecrementPage:
5993 last_hit_part = scroll_bar_above_handle; inc = -1.0; break;
5994 case NSScrollerIncrementPage:
5995 last_hit_part = scroll_bar_below_handle; inc = 1.0; break;
5996 case NSScrollerDecrementLine:
5997 last_hit_part = scroll_bar_up_arrow; inc = -0.1; break;
5998 case NSScrollerIncrementLine:
5999 last_hit_part = scroll_bar_down_arrow; inc = 0.1; break;
6000 case NSScrollerKnob:
6001 last_hit_part = scroll_bar_handle; break;
6002 case NSScrollerKnobSlot: /* GNUstep-only */
6003 last_hit_part = scroll_bar_move_ratio; break;
6004 default: /* NSScrollerNoPart? */
6005 fprintf (stderr, "EmacsScoller-mouseDown: unexpected part %d\n", part);
6006 return;
6007 }
6008
6009 if (inc != 0.0)
6010 {
6011 pos = 0; /* ignored */
6012
6013 /* set a timer to repeat, as we can't let superclass do this modally */
6014 scroll_repeat_entry
6015 = [[NSTimer scheduledTimerWithTimeInterval: 0.5
6016 target: self
6017 selector: @selector (repeatScroll:)
6018 userInfo: 0
6019 repeats: YES]
6020 retain];
6021 }
6022 else
6023 {
6024 /* handle, or on GNUstep possibly slot */
6025 NSEvent *fake_event;
6026
6027 /* compute float loc in slot and mouse offset on knob */
6028 sr = [self convertRect: [self rectForPart: NSScrollerKnobSlot]
6029 toView: nil];
6030 loc = NSHeight (sr) - ([e locationInWindow].y - NSMinY (sr));
6031 if (loc <= 0.0)
6032 {
6033 loc = 0.0;
6034 edge = -1;
6035 }
6036 else if (loc >= NSHeight (sr))
6037 {
6038 loc = NSHeight (sr);
6039 edge = 1;
6040 }
6041
6042 if (edge)
6043 kloc = 0.5 * edge;
6044 else
6045 {
6046 kr = [self convertRect: [self rectForPart: NSScrollerKnob]
6047 toView: nil];
6048 kloc = NSHeight (kr) - ([e locationInWindow].y - NSMinY (kr));
6049 }
6050 last_mouse_offset = kloc;
6051
6052 /* if knob, tell emacs a location offset by knob pos
6053 (to indicate top of handle) */
6054 if (part == NSScrollerKnob)
6055 pos = (loc - last_mouse_offset) / NSHeight (sr);
6056 else
6057 /* else this is a slot click on GNUstep: go straight there */
6058 pos = loc / NSHeight (sr);
6059
6060 /* send a fake mouse-up to super to preempt modal -trackKnob: mode */
6061 fake_event = [NSEvent mouseEventWithType: NSLeftMouseUp
6062 location: [e locationInWindow]
6063 modifierFlags: [e modifierFlags]
6064 timestamp: [e timestamp]
6065 windowNumber: [e windowNumber]
6066 context: [e context]
6067 eventNumber: [e eventNumber]
6068 clickCount: [e clickCount]
6069 pressure: [e pressure]];
6070 [super mouseUp: fake_event];
6071 }
6072
6073 if (part != NSScrollerKnob)
6074 [self sendScrollEventAtLoc: pos fromEvent: e];
6075 }
6076
6077
6078 /* Called as we manually track scroller drags, rather than superclass. */
6079 - (void)mouseDragged: (NSEvent *)e
6080 {
6081 NSRect sr;
6082 double loc, pos;
6083 int edge = 0;
6084
6085 NSTRACE (EmacsScroller_mouseDragged);
6086
6087 sr = [self convertRect: [self rectForPart: NSScrollerKnobSlot]
6088 toView: nil];
6089 loc = NSHeight (sr) - ([e locationInWindow].y - NSMinY (sr));
6090
6091 if (loc <= 0.0)
6092 {
6093 loc = 0.0;
6094 edge = -1;
6095 }
6096 else if (loc >= NSHeight (sr) + last_mouse_offset)
6097 {
6098 loc = NSHeight (sr) + last_mouse_offset;
6099 edge = 1;
6100 }
6101
6102 pos = /*(edge ? loc :*/ (loc - last_mouse_offset) / NSHeight (sr);
6103 [self sendScrollEventAtLoc: pos fromEvent: e];
6104 }
6105
6106
6107 - (void)mouseUp: (NSEvent *)e
6108 {
6109 if (scroll_repeat_entry)
6110 {
6111 [scroll_repeat_entry invalidate];
6112 [scroll_repeat_entry release];
6113 scroll_repeat_entry = nil;
6114 }
6115 last_hit_part = 0;
6116 }
6117
6118
6119 /* treat scrollwheel events in the bar as though they were in the main window */
6120 - (void) scrollWheel: (NSEvent *)theEvent
6121 {
6122 EmacsView *view = (EmacsView *)FRAME_NS_VIEW (frame);
6123 [view mouseDown: theEvent];
6124 }
6125
6126 @end /* EmacsScroller */
6127
6128
6129
6130
6131 /* ==========================================================================
6132
6133 Font-related functions; these used to be in nsfaces.m
6134
6135 ========================================================================== */
6136
6137
6138 Lisp_Object
6139 x_new_font (struct frame *f, Lisp_Object font_object, int fontset)
6140 {
6141 struct font *font = XFONT_OBJECT (font_object);
6142
6143 if (fontset < 0)
6144 fontset = fontset_from_font (font_object);
6145 FRAME_FONTSET (f) = fontset;
6146
6147 if (FRAME_FONT (f) == font)
6148 /* This font is already set in frame F. There's nothing more to
6149 do. */
6150 return font_object;
6151
6152 FRAME_FONT (f) = font;
6153
6154 FRAME_BASELINE_OFFSET (f) = font->baseline_offset;
6155 FRAME_COLUMN_WIDTH (f) = font->average_width;
6156 FRAME_SPACE_WIDTH (f) = font->space_width;
6157 FRAME_LINE_HEIGHT (f) = font->height;
6158
6159 compute_fringe_widths (f, 1);
6160
6161 /* Compute the scroll bar width in character columns. */
6162 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) > 0)
6163 {
6164 int wid = FRAME_COLUMN_WIDTH (f);
6165 FRAME_CONFIG_SCROLL_BAR_COLS (f)
6166 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) + wid - 1) / wid;
6167 }
6168 else
6169 {
6170 int wid = FRAME_COLUMN_WIDTH (f);
6171 FRAME_CONFIG_SCROLL_BAR_COLS (f) = (14 + wid - 1) / wid;
6172 }
6173
6174 /* Now make the frame display the given font. */
6175 if (FRAME_NS_WINDOW (f) != 0)
6176 x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f));
6177
6178 return font_object;
6179 }
6180
6181
6182 /* XLFD: -foundry-family-weight-slant-swidth-adstyle-pxlsz-ptSz-resx-resy-spc-avgWidth-rgstry-encoding */
6183 /* Note: ns_font_to_xlfd and ns_fontname_to_xlfd no longer needed, removed
6184 in 1.43. */
6185
6186 const char *
6187 ns_xlfd_to_fontname (const char *xlfd)
6188 /* --------------------------------------------------------------------------
6189 Convert an X font name (XLFD) to an NS font name.
6190 Only family is used.
6191 The string returned is temporarily allocated.
6192 -------------------------------------------------------------------------- */
6193 {
6194 char *name = xmalloc (180);
6195 int i, len;
6196 const char *ret;
6197
6198 if (!strncmp (xlfd, "--", 2))
6199 sscanf (xlfd, "--%*[^-]-%[^-]179-", name);
6200 else
6201 sscanf (xlfd, "-%*[^-]-%[^-]179-", name);
6202
6203 /* stopgap for malformed XLFD input */
6204 if (strlen (name) == 0)
6205 strcpy (name, "Monaco");
6206
6207 /* undo hack in ns_fontname_to_xlfd, converting '$' to '-', '_' to ' '
6208 also uppercase after '-' or ' ' */
6209 name[0] = toupper (name[0]);
6210 for (len =strlen (name), i =0; i<len; i++)
6211 {
6212 if (name[i] == '$')
6213 {
6214 name[i] = '-';
6215 if (i+1<len)
6216 name[i+1] = toupper (name[i+1]);
6217 }
6218 else if (name[i] == '_')
6219 {
6220 name[i] = ' ';
6221 if (i+1<len)
6222 name[i+1] = toupper (name[i+1]);
6223 }
6224 }
6225 /*fprintf (stderr, "converted '%s' to '%s'\n",xlfd,name); */
6226 ret = [[NSString stringWithUTF8String: name] UTF8String];
6227 xfree (name);
6228 return ret;
6229 }
6230
6231
6232 void
6233 syms_of_nsterm ()
6234 {
6235 NSTRACE (syms_of_nsterm);
6236 DEFVAR_LISP ("ns-input-file", &ns_input_file,
6237 "The file specified in the last NS event.");
6238 ns_input_file =Qnil;
6239
6240 DEFVAR_LISP ("ns-input-text", &ns_input_text,
6241 "The data received in the last NS text drag event.");
6242 ns_input_text =Qnil;
6243
6244 DEFVAR_LISP ("ns-working-text", &ns_working_text,
6245 "String for visualizing working composition sequence.");
6246 ns_working_text =Qnil;
6247
6248 DEFVAR_LISP ("ns-input-font", &ns_input_font,
6249 "The font specified in the last NS event.");
6250 ns_input_font =Qnil;
6251
6252 DEFVAR_LISP ("ns-input-fontsize", &ns_input_fontsize,
6253 "The fontsize specified in the last NS event.");
6254 ns_input_fontsize =Qnil;
6255
6256 DEFVAR_LISP ("ns-input-line", &ns_input_line,
6257 "The line specified in the last NS event.");
6258 ns_input_line =Qnil;
6259
6260 DEFVAR_LISP ("ns-input-color", &ns_input_color,
6261 "The color specified in the last NS event.");
6262 ns_input_color =Qnil;
6263
6264 DEFVAR_LISP ("ns-input-spi-name", &ns_input_spi_name,
6265 "The service name specified in the last NS event.");
6266 ns_input_spi_name =Qnil;
6267
6268 DEFVAR_LISP ("ns-input-spi-arg", &ns_input_spi_arg,
6269 "The service argument specified in the last NS event.");
6270 ns_input_spi_arg =Qnil;
6271
6272 DEFVAR_LISP ("ns-alternate-modifier", &ns_alternate_modifier,
6273 "This variable describes the behavior of the alternate or option key.\n\
6274 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
6275 Set to none means that the alternate / option key is not interpreted by Emacs\n\
6276 at all, allowing it to be used at a lower level for accented character entry.");
6277
6278 DEFVAR_LISP ("ns-command-modifier", &ns_command_modifier,
6279 "This variable describes the behavior of the command key.\n\
6280 Set to control, meta, alt, super, or hyper means it is taken to be that key.");
6281
6282 DEFVAR_LISP ("ns-control-modifier", &ns_control_modifier,
6283 "This variable describes the behavior of the control key.\n\
6284 Set to control, meta, alt, super, or hyper means it is taken to be that key.");
6285
6286 DEFVAR_LISP ("ns-function-modifier", &ns_function_modifier,
6287 "This variable describes the behavior of the function key (on laptops).\n\
6288 Set to control, meta, alt, super, or hyper means it is taken to be that key.\n\
6289 Set to none means that the function key is not interpreted by Emacs at all,\n\
6290 allowing it to be used at a lower level for accented character entry.");
6291
6292 DEFVAR_LISP ("ns-antialias-text", &ns_antialias_text,
6293 "Non-nil (the default) means to render text antialiased. Only has an effect on OS X Panther and above.");
6294
6295 DEFVAR_LISP ("ns-use-qd-smoothing", &ns_use_qd_smoothing,
6296 "Whether to render text using QuickDraw (less heavy) antialiasing. Only has an effect on OS X Panther and above. Default is nil (use Quartz smoothing).");
6297
6298 DEFVAR_LISP ("ns-use-system-highlight-color",
6299 &ns_use_system_highlight_color,
6300 "Whether to use the system default (on OS X only) for the highlight color. Nil means to use standard emacs (prior to version 21) 'grey'.");
6301
6302 DEFVAR_LISP ("ns-confirm-quit", &ns_confirm_quit,
6303 "Whether to confirm application quit using dialog.");
6304
6305 staticpro (&ns_display_name_list);
6306 ns_display_name_list = Qnil;
6307
6308 staticpro (&last_mouse_motion_frame);
6309 last_mouse_motion_frame = Qnil;
6310
6311 /* from 23+ we need to tell emacs what modifiers there are.. */
6312 Qmodifier_value = intern ("modifier-value");
6313 Qalt = intern ("alt");
6314 Fput (Qalt, Qmodifier_value, make_number (alt_modifier));
6315 Qhyper = intern ("hyper");
6316 Fput (Qhyper, Qmodifier_value, make_number (hyper_modifier));
6317 Qmeta = intern ("meta");
6318 Fput (Qmeta, Qmodifier_value, make_number (meta_modifier));
6319 Qsuper = intern ("super");
6320 Fput (Qsuper, Qmodifier_value, make_number (super_modifier));
6321 Qcontrol = intern ("control");
6322 Fput (Qcontrol, Qmodifier_value, make_number (ctrl_modifier));
6323
6324 /* TODO: move to common code */
6325 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars,
6326 doc: /* If not nil, Emacs uses toolkit scroll bars. */);
6327 #ifdef USE_TOOLKIT_SCROLL_BARS
6328 Vx_toolkit_scroll_bars = Qt;
6329 #else
6330 Vx_toolkit_scroll_bars = Qnil;
6331 #endif
6332
6333 /* these are unsupported but we need the declarations to avoid whining
6334 messages from cus-start.el */
6335 DEFVAR_BOOL ("x-use-underline-position-properties",
6336 &x_use_underline_position_properties,
6337 doc: /* NOT SUPPORTED UNDER NS.
6338 *Non-nil means make use of UNDERLINE_POSITION font properties.
6339 A value of nil means ignore them. If you encounter fonts with bogus
6340 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6341 to 4.1, set this to nil.
6342
6343 NOTE: Not supported on Mac yet. */);
6344 x_use_underline_position_properties = 0;
6345
6346 DEFVAR_BOOL ("x-underline-at-descent-line",
6347 &x_underline_at_descent_line,
6348 doc: /* NOT SUPPORTED UNDER NS.
6349 *Non-nil means to draw the underline at the same place as the descent line.
6350 A value of nil means to draw the underline according to the value of the
6351 variable `x-use-underline-position-properties', which is usually at the
6352 baseline level. The default value is nil. */);
6353 x_underline_at_descent_line = 0;
6354
6355 /* Tell emacs about this window system. */
6356 Fprovide (intern ("ns"), Qnil);
6357 }
6358
6359
6360 // arch-tag: 6eaa8f7d-a69b-4e1c-b43d-ab31defbe0d2