code.delx.au - gnu-emacs/blob - src/macterm.h

   1 /* Display module for Mac OS.
   2    Copyright (C) 2000, 2001, 2002, 2003, 2004,
   3                  2005, 2006 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 2, or (at your option)
  10 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; see the file COPYING.  If not, write to
  19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20 Boston, MA 02110-1301, USA.  */
  21
  22 /* Contributed by Andrew Choi (akochoi@mac.com).  */
  23
  24 #include "macgui.h"
  25 #include "frame.h"
  26
  27 #define RGB_TO_ULONG(r, g, b) (((r) << 16) | ((g) << 8) | (b))
  28
  29 #define RED_FROM_ULONG(color) ((color) >> 16)
  30 #define GREEN_FROM_ULONG(color) (((color) >> 8) & 0xff)
  31 #define BLUE_FROM_ULONG(color) ((color) & 0xff)
  32
  33 /* Do not change `* 0x101' in the following lines to `<< 8'.  If
  34    changed, image masks in 1-bit depth will not work. */
  35 #define RED16_FROM_ULONG(color) (RED_FROM_ULONG(color) * 0x101)
  36 #define GREEN16_FROM_ULONG(color) (GREEN_FROM_ULONG(color) * 0x101)
  37 #define BLUE16_FROM_ULONG(color) (BLUE_FROM_ULONG(color) * 0x101)
  38
  39 #define BLACK_PIX_DEFAULT(f) RGB_TO_ULONG(0,0,0)
  40 #define WHITE_PIX_DEFAULT(f) RGB_TO_ULONG(255,255,255)
  41
  42 #define FONT_WIDTH(f)   ((f)->max_bounds.width)
  43 #define FONT_HEIGHT(f)  ((f)->ascent + (f)->descent)
  44 #define FONT_BASE(f)    ((f)->ascent)
  45 #define FONT_DESCENT(f) ((f)->descent)
  46
  47 #define FONT_MAX_WIDTH(f) FONT_WIDTH(f)  /* fix later */
  48
  49 /* Structure recording bitmaps and reference count.
  50    If REFCOUNT is 0 then this record is free to be reused.  */
  51
  52 struct mac_bitmap_record
  53 {
  54   char *bitmap_data;
  55   char *file;
  56   int refcount;
  57   int height, width;
  58 };
  59
  60
  61 /* For each display (currently only one on mac), we have a structure that
  62    records information about it.  */
  63
  64 struct mac_display_info
  65 {
  66   /* Chain of all mac_display_info structures.  */
  67   struct mac_display_info *next;
  68
  69   /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
  70      The same cons cell also appears in x_display_name_list.  */
  71   Lisp_Object name_list_element;
  72
  73   /* Number of frames that are on this display.  */
  74   int reference_count;
  75
  76   /* Dots per inch of the screen.  */
  77   double resx, resy;
  78
  79   /* Number of planes on this screen.  */
  80   int n_planes;
  81
  82   /* Whether the screen supports color */
  83   int color_p;
  84
  85   /* Dimensions of this screen.  */
  86   int height, width;
  87
  88   /* Mask of things that cause the mouse to be grabbed.  */
  89   int grabbed;
  90
  91 #if 0
  92   /* Emacs bitmap-id of the default icon bitmap for this frame.
  93      Or -1 if none has been allocated yet.  */
  94   int icon_bitmap_id;
  95
  96 #endif
  97   /* The root window of this screen.  */
  98   Window root_window;
  99
 100   /* The cursor to use for vertical scroll bars.  */
 101   Cursor vertical_scroll_bar_cursor;
 102
 103   /* Resource data base */
 104   XrmDatabase xrdb;
 105
 106   /* A table of all the fonts we have already loaded.  */
 107   struct font_info *font_table;
 108
 109   /* The current capacity of font_table.  */
 110   int font_table_size;
 111
 112   /* Minimum width over all characters in all fonts in font_table.  */
 113   int smallest_char_width;
 114
 115   /* Minimum font height over all fonts in font_table.  */
 116   int smallest_font_height;
 117
 118   /* Reusable Graphics Context for drawing a cursor in a non-default face. */
 119   GC scratch_cursor_gc;
 120
 121   /* These variables describe the range of text currently shown in its
 122      mouse-face, together with the window they apply to.  As long as
 123      the mouse stays within this range, we need not redraw anything on
 124      its account.  Rows and columns are glyph matrix positions in
 125      MOUSE_FACE_WINDOW.  */
 126   int mouse_face_beg_row, mouse_face_beg_col;
 127   int mouse_face_beg_x, mouse_face_beg_y;
 128   int mouse_face_end_row, mouse_face_end_col;
 129   int mouse_face_end_x, mouse_face_end_y;
 130   int mouse_face_past_end;
 131   Lisp_Object mouse_face_window;
 132   int mouse_face_face_id;
 133   Lisp_Object mouse_face_overlay;
 134
 135   /* 1 if a mouse motion event came and we didn't handle it right away because
 136      gc was in progress.  */
 137   int mouse_face_deferred_gc;
 138
 139   /* FRAME and X, Y position of mouse when last checked for
 140      highlighting.  X and Y can be negative or out of range for the frame.  */
 141   struct frame *mouse_face_mouse_frame;
 142   int mouse_face_mouse_x, mouse_face_mouse_y;
 143
 144   /* Nonzero means defer mouse-motion highlighting.  */
 145   int mouse_face_defer;
 146
 147   /* Nonzero means that the mouse highlight should not be shown.  */
 148   int mouse_face_hidden;
 149
 150   int mouse_face_image_state;
 151
 152   char *mac_id_name;
 153
 154   /* The number of fonts actually stored in the font table.
 155      font_table[n] is used and valid iff 0 <= n < n_fonts.  0 <=
 156      n_fonts <= font_table_size and font_table[i].name != 0.  */
 157   int n_fonts;
 158
 159   /* Pointer to bitmap records.  */
 160   struct mac_bitmap_record *bitmaps;
 161
 162   /* Allocated size of bitmaps field.  */
 163   int bitmaps_size;
 164
 165   /* Last used bitmap index.  */
 166   int bitmaps_last;
 167
 168   /* The frame (if any) which has the window that has keyboard focus.
 169      Zero if none.  This is examined by Ffocus_frame in macfns.c.  Note
 170      that a mere EnterNotify event can set this; if you need to know the
 171      last frame specified in a FocusIn or FocusOut event, use
 172      x_focus_event_frame.  */
 173   struct frame *x_focus_frame;
 174
 175   /* The last frame mentioned in a FocusIn or FocusOut event.  This is
 176      separate from x_focus_frame, because whether or not LeaveNotify
 177      events cause us to lose focus depends on whether or not we have
 178      received a FocusIn event for it.  */
 179   struct frame *x_focus_event_frame;
 180
 181   /* The frame which currently has the visual highlight, and should get
 182      keyboard input (other sorts of input have the frame encoded in the
 183      event).  It points to the focus frame's selected window's
 184      frame.  It differs from x_focus_frame when we're using a global
 185      minibuffer.  */
 186   struct frame *x_highlight_frame;
 187
 188   /* Cache of images.  */
 189   struct image_cache *image_cache;
 190 };
 191
 192 /* This checks to make sure we have a display.  */
 193 extern void check_mac P_ ((void));
 194
 195 #define x_display_info mac_display_info
 196
 197 /* This is a chain of structures for all the X displays currently in use.  */
 198 extern struct x_display_info *x_display_list;
 199
 200 /* This is a chain of structures for all the displays currently in use.  */
 201 extern struct mac_display_info one_mac_display_info;
 202
 203 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
 204    one for each element of x_display_list and in the same order.
 205    NAME is the name of the frame.
 206    FONT-LIST-CACHE records previous values returned by x-list-fonts.  */
 207 extern Lisp_Object x_display_name_list;
 208
 209 extern struct x_display_info *x_display_info_for_display P_ ((Display *));
 210 extern struct x_display_info *x_display_info_for_name P_ ((Lisp_Object));
 211
 212 extern struct mac_display_info *mac_term_init P_ ((Lisp_Object, char *, char *));
 213
 214 extern Lisp_Object x_list_fonts P_ ((struct frame *, Lisp_Object, int, int));
 215 extern struct font_info *x_get_font_info P_ ((struct frame *f, int));
 216 extern struct font_info *x_load_font P_ ((struct frame *, char *, int));
 217 extern struct font_info *x_query_font P_ ((struct frame *, char *));
 218 extern void x_find_ccl_program P_ ((struct font_info *));
 219 \f
 220 /* When Emacs uses a tty window, tty_display in frame.c points to an
 221    x_output struct .  */
 222 struct x_output
 223 {
 224   unsigned long background_pixel;
 225   unsigned long foreground_pixel;
 226 };
 227
 228 /* The collection of data describing a window on the Mac.  */
 229 struct mac_output {
 230   /* Placeholder for things accessed through output_data.x.  Must
 231      appear first.  */
 232   struct x_output x_compatible;
 233
 234   /* Menubar "widget" handle.  */
 235   int menubar_widget;
 236
 237   FRAME_PTR mFP;                /* points back to the frame struct */
 238
 239   /* Here are the Graphics Contexts for the default font.  */
 240   GC normal_gc;                         /* Normal video */
 241   GC reverse_gc;                        /* Reverse video */
 242   GC cursor_gc;                         /* cursor drawing */
 243
 244   /* The window used for this frame.
 245      May be zero while the frame object is being created
 246      and the window has not yet been created.  */
 247   Window window_desc;
 248
 249   /* The window that is the parent of this window.
 250      Usually this is a window that was made by the window manager,
 251      but it can be the root window, and it can be explicitly specified
 252      (see the explicit_parent field, below).  */
 253   Window parent_desc;
 254
 255   /* Default ASCII font of this frame. */
 256   XFontStruct *font;
 257
 258   /* The baseline offset of the default ASCII font.  */
 259   int baseline_offset;
 260
 261   /* If a fontset is specified for this frame instead of font, this
 262      value contains an ID of the fontset, else -1.  */
 263   int fontset;
 264
 265   /* Pixel values used for various purposes.
 266      border_pixel may be -1 meaning use a gray tile.  */
 267   unsigned long cursor_pixel;
 268   unsigned long border_pixel;
 269   unsigned long mouse_pixel;
 270   unsigned long cursor_foreground_pixel;
 271
 272 #if 0
 273   /* Foreground color for scroll bars.  A value of -1 means use the
 274      default (black for non-toolkit scroll bars).  */
 275   unsigned long scroll_bar_foreground_pixel;
 276
 277   /* Background color for scroll bars.  A value of -1 means use the
 278      default (background color of the frame for non-toolkit scroll
 279      bars).  */
 280   unsigned long scroll_bar_background_pixel;
 281 #endif
 282
 283   /* Descriptor for the cursor in use for this window.  */
 284   Cursor text_cursor;
 285   Cursor nontext_cursor;
 286   Cursor modeline_cursor;
 287   Cursor hand_cursor;
 288   Cursor hourglass_cursor;
 289   Cursor horizontal_drag_cursor;
 290 #if 0
 291   /* Window whose cursor is hourglass_cursor.  This window is temporarily
 292      mapped to display a hourglass-cursor.  */
 293   Window hourglass_window;
 294
 295   /* Non-zero means hourglass cursor is currently displayed.  */
 296   unsigned hourglass_p : 1;
 297
 298   /* Flag to set when the window needs to be completely repainted.  */
 299   int needs_exposure;
 300
 301 #endif
 302
 303 #if TARGET_API_MAC_CARBON
 304   /* The Mac control reference for the hourglass (progress indicator)
 305      shown at the upper-right corner of the window.  */
 306   ControlRef hourglass_control;
 307 #endif
 308
 309   /* This is the Emacs structure for the display this frame is on.  */
 310   /* struct w32_display_info *display_info; */
 311
 312   /* Nonzero means our parent is another application's window
 313      and was explicitly specified.  */
 314   char explicit_parent;
 315
 316   /* Nonzero means tried already to make this frame visible.  */
 317   char asked_for_visible;
 318
 319   /* Nonzero means menubar is currently active.  */
 320   char menubar_active;
 321
 322   /* Relief GCs, colors etc.  */
 323   struct relief
 324   {
 325     GC gc;
 326     unsigned long pixel;
 327     int allocated_p;
 328   }
 329   black_relief, white_relief;
 330
 331   /* The background for which the above relief GCs were set up.
 332      They are changed only when a different background is involved.  */
 333   unsigned long relief_background;
 334
 335   /* Hints for the size and the position of a window.  */
 336   XSizeHints *size_hints;
 337
 338 #if TARGET_API_MAC_CARBON
 339   /* File name for the proxy icon of this frame.  Might be NULL.  */
 340   char *file_name;
 341 #endif
 342
 343 #if USE_CG_DRAWING
 344   /* Quartz 2D graphics context.  */
 345   CGContextRef cg_context;
 346 #endif
 347 };
 348
 349 typedef struct mac_output mac_output;
 350
 351 /* Return the X output data for frame F.  */
 352 #define FRAME_X_OUTPUT(f) ((f)->output_data.mac)
 353
 354 /* Return the Mac window used for displaying data in frame F.  */
 355 #define FRAME_MAC_WINDOW(f) ((f)->output_data.mac->window_desc)
 356 #define FRAME_X_WINDOW(f) ((f)->output_data.mac->window_desc)
 357
 358 #define FRAME_FOREGROUND_PIXEL(f) ((f)->output_data.x->foreground_pixel)
 359 #define FRAME_BACKGROUND_PIXEL(f) ((f)->output_data.x->background_pixel)
 360
 361 #define FRAME_FONT(f) ((f)->output_data.mac->font)
 362 #define FRAME_FONTSET(f) ((f)->output_data.mac->fontset)
 363
 364 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.mac->baseline_offset)
 365
 366 #define FRAME_SIZE_HINTS(f) ((f)->output_data.mac->size_hints)
 367
 368 #define FRAME_FILE_NAME(f) ((f)->output_data.mac->file_name)
 369
 370 /* This gives the mac_display_info structure for the display F is on.  */
 371 #define FRAME_MAC_DISPLAY_INFO(f) (&one_mac_display_info)
 372 #define FRAME_X_DISPLAY_INFO(f) (&one_mac_display_info)
 373
 374 /* This is the `Display *' which frame F is on.  */
 375 #define FRAME_MAC_DISPLAY(f) (0)
 376 #define FRAME_X_DISPLAY(f) (0)
 377
 378 /* This is the 'font_info *' which frame F has.  */
 379 #define FRAME_MAC_FONT_TABLE(f) (FRAME_MAC_DISPLAY_INFO (f)->font_table)
 380
 381 /* Value is the smallest width of any character in any font on frame F.  */
 382
 383 #define FRAME_SMALLEST_CHAR_WIDTH(F) \
 384      FRAME_MAC_DISPLAY_INFO(F)->smallest_char_width
 385
 386 /* Value is the smallest height of any font on frame F.  */
 387
 388 #define FRAME_SMALLEST_FONT_HEIGHT(F) \
 389      FRAME_MAC_DISPLAY_INFO(F)->smallest_font_height
 390
 391 /* Return a pointer to the image cache of frame F.  */
 392
 393 #define FRAME_X_IMAGE_CACHE(F) FRAME_MAC_DISPLAY_INFO ((F))->image_cache
 394
 395 \f
 396 /* Mac-specific scroll bar stuff.  */
 397
 398 /* We represent scroll bars as lisp vectors.  This allows us to place
 399    references to them in windows without worrying about whether we'll
 400    end up with windows referring to dead scroll bars; the garbage
 401    collector will free it when its time comes.
 402
 403    We use struct scroll_bar as a template for accessing fields of the
 404    vector.  */
 405
 406 struct scroll_bar {
 407
 408   /* These fields are shared by all vectors.  */
 409   EMACS_INT size_from_Lisp_Vector_struct;
 410   struct Lisp_Vector *next_from_Lisp_Vector_struct;
 411
 412   /* The window we're a scroll bar for.  */
 413   Lisp_Object window;
 414
 415   /* The next and previous in the chain of scroll bars in this frame.  */
 416   Lisp_Object next, prev;
 417
 418   /* The Mac control handle of this scroll bar.  Since this is a full
 419      32-bit quantity, we store it split into two 32-bit values.  */
 420   Lisp_Object control_handle_low, control_handle_high;
 421
 422   /* The position and size of the scroll bar in pixels, relative to the
 423      frame.  */
 424   Lisp_Object top, left, width, height;
 425
 426   /* The starting and ending positions of the handle, relative to the
 427      handle area (i.e. zero is the top position, not
 428      SCROLL_BAR_TOP_BORDER).  If they're equal, that means the handle
 429      hasn't been drawn yet.
 430
 431      These are not actually the locations where the beginning and end
 432      are drawn; in order to keep handles from becoming invisible when
 433      editing large files, we establish a minimum height by always
 434      drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
 435      where they would be normally; the bottom and top are in a
 436      different co-ordinate system.  */
 437   Lisp_Object start, end;
 438
 439   /* If the scroll bar handle is currently being dragged by the user,
 440      this is the number of pixels from the top of the handle to the
 441      place where the user grabbed it.  If the handle isn't currently
 442      being dragged, this is Qnil.  */
 443   Lisp_Object dragging;
 444
 445 #ifdef USE_TOOLKIT_SCROLL_BARS
 446   /* The position and size of the scroll bar handle track area in
 447      pixels, relative to the frame.  */
 448   Lisp_Object track_top, track_height;
 449 #endif
 450 };
 451
 452 /* The number of elements a vector holding a struct scroll_bar needs.  */
 453 #define SCROLL_BAR_VEC_SIZE                                     \
 454   ((sizeof (struct scroll_bar)                                  \
 455     - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *))       \
 456    / sizeof (Lisp_Object))
 457
 458 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 459 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
 460
 461
 462 /* Building a 32-bit C integer from two 16-bit lisp integers.  */
 463 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low))
 464
 465 /* Setting two lisp integers to the low and high words of a 32-bit C int.  */
 466 #define SCROLL_BAR_UNPACK(low, high, int32) \
 467   (XSETINT ((low),   (int32)        & 0xffff), \
 468    XSETINT ((high), ((int32) >> 16) & 0xffff))
 469
 470
 471 /* Extract the Mac control handle of the scroll bar from a struct
 472    scroll_bar.  */
 473 #define SCROLL_BAR_CONTROL_HANDLE(ptr) \
 474   ((ControlHandle) SCROLL_BAR_PACK ((ptr)->control_handle_low, \
 475                                     (ptr)->control_handle_high))
 476
 477 /* Store a Mac control handle in a struct scroll_bar.  */
 478 #define SET_SCROLL_BAR_CONTROL_HANDLE(ptr, id) \
 479   (SCROLL_BAR_UNPACK ((ptr)->control_handle_low, \
 480                       (ptr)->control_handle_high, (int) id))
 481
 482 /* Return the inside width of a vertical scroll bar, given the outside
 483    width.  */
 484 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f, width) \
 485   ((width) \
 486    - VERTICAL_SCROLL_BAR_LEFT_BORDER \
 487    - VERTICAL_SCROLL_BAR_RIGHT_BORDER \
 488    - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2)
 489
 490 /* Return the length of the rectangle within which the top of the
 491    handle must stay.  This isn't equivalent to the inside height,
 492    because the scroll bar handle has a minimum height.
 493
 494    This is the real range of motion for the scroll bar, so when we're
 495    scaling buffer positions to scroll bar positions, we use this, not
 496    VERTICAL_SCROLL_BAR_INSIDE_HEIGHT.  */
 497 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f,height) \
 498   (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) \
 499    - VERTICAL_SCROLL_BAR_MIN_HANDLE - UP_AND_DOWN_ARROWS)
 500
 501 /* Return the inside height of vertical scroll bar, given the outside
 502    height.  See VERTICAL_SCROLL_BAR_TOP_RANGE too.  */
 503 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f,height) \
 504   ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER \
 505    - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
 506
 507
 508 /* Border widths for scroll bars.
 509
 510    Scroll bar windows don't have any borders; their border width is
 511    set to zero, and we redraw borders ourselves.  This makes the code
 512    a bit cleaner, since we don't have to convert between outside width
 513    (used when relating to the rest of the screen) and inside width
 514    (used when sizing and drawing the scroll bar window itself).
 515
 516    The handle moves up and down/back and forth in a rectangle inset
 517    from the edges of the scroll bar.  These are widths by which we
 518    inset the handle boundaries from the scroll bar edges.  */
 519 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0)
 520 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0)
 521 #define VERTICAL_SCROLL_BAR_TOP_BORDER (0)
 522 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (0)
 523
 524 /* Minimum lengths for scroll bar handles, in pixels.  */
 525 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (16)
 526
 527 /* Combined length of up and down arrow boxes in scroll bars, in pixels.  */
 528 #define UP_AND_DOWN_ARROWS (32)
 529
 530 /* Trimming off a few pixels from each side prevents
 531    text from glomming up against the scroll bar */
 532 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
 533
 534 /* Variations of possible Aqua scroll bar width.  */
 535 #define MAC_AQUA_VERTICAL_SCROLL_BAR_WIDTH (15)
 536 #define MAC_AQUA_SMALL_VERTICAL_SCROLL_BAR_WIDTH (11)
 537
 538 /* Size of hourglass controls */
 539 #define HOURGLASS_WIDTH 16
 540 #define HOURGLASS_HEIGHT 16
 541
 542 struct frame;
 543 struct face;
 544 struct image;
 545
 546 Lisp_Object display_x_get_resource P_ ((struct x_display_info *,
 547                                         Lisp_Object, Lisp_Object,
 548                                         Lisp_Object, Lisp_Object));
 549 struct frame *check_x_frame P_ ((Lisp_Object));
 550 EXFUN (Fx_display_color_p, 1);
 551 EXFUN (Fx_display_grayscale_p, 1);
 552 EXFUN (Fx_display_planes, 1);
 553 extern void x_free_gcs P_ ((struct frame *));
 554 extern int XParseGeometry P_ ((char *, int *, int *, unsigned int *,
 555                                unsigned int *));
 556
 557 /* Defined in macterm.c.  */
 558
 559 extern void x_set_window_size P_ ((struct frame *, int, int, int));
 560 extern void x_set_mouse_position P_ ((struct frame *, int, int));
 561 extern void x_set_mouse_pixel_position P_ ((struct frame *, int, int));
 562 extern void x_make_frame_visible P_ ((struct frame *));
 563 extern void x_make_frame_invisible P_ ((struct frame *));
 564 extern void x_iconify_frame P_ ((struct frame *));
 565 extern void x_free_frame_resources P_ ((struct frame *));
 566 extern void x_destroy_window P_ ((struct frame *));
 567 extern void x_wm_set_size_hint P_ ((struct frame *, long, int));
 568 extern void x_delete_display P_ ((struct x_display_info *));
 569 extern void mac_initialize P_ ((void));
 570 extern Pixmap XCreatePixmap P_ ((Display *, WindowPtr, unsigned int,
 571                                  unsigned int, unsigned int));
 572 extern Pixmap XCreatePixmapFromBitmapData P_ ((Display *, WindowPtr, char *,
 573                                                unsigned int, unsigned int,
 574                                                unsigned long, unsigned long,
 575                                                unsigned int));
 576 extern void XFreePixmap P_ ((Display *, Pixmap));
 577 extern GC XCreateGC P_ ((Display *, Window, unsigned long, XGCValues *));
 578 extern void XFreeGC P_ ((Display *, GC));
 579 extern void XSetForeground P_ ((Display *, GC, unsigned long));
 580 extern void XSetBackground P_ ((Display *, GC, unsigned long));
 581 extern void XSetWindowBackground P_ ((Display *, WindowPtr, unsigned long));
 582 extern void mac_draw_line_to_pixmap P_ ((Display *, Pixmap, GC, int, int,
 583                                          int, int));
 584 extern void mac_clear_area P_ ((struct frame *, int, int,
 585                                 unsigned int, unsigned int));
 586 extern void mac_unload_font P_ ((struct mac_display_info *, XFontStruct *));
 587 extern OSErr install_window_handler P_ ((WindowPtr));
 588 extern void remove_window_handler P_ ((WindowPtr));
 589 extern void do_menu_choice P_ ((SInt32));
 590 extern OSStatus mac_post_mouse_moved_event P_ ((void));
 591 #if USE_CG_DRAWING
 592 extern void mac_prepare_for_quickdraw P_ ((struct frame *));
 593 #endif
 594
 595 #define FONT_TYPE_FOR_UNIBYTE(font, ch) 0
 596 #define FONT_TYPE_FOR_MULTIBYTE(font, ch) 0
 597
 598 #define TYPE_FILE_NAME 'fNam'
 599
 600 /* Defined in macselect.c */
 601
 602 extern void x_clear_frame_selections P_ ((struct frame *));
 603
 604 /* Defined in macfns.c */
 605
 606 extern int have_menus_p P_ ((void));
 607
 608 extern void x_real_positions P_ ((struct frame *, int *, int *));
 609 extern void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
 610 extern int x_pixel_width P_ ((struct frame *));
 611 extern int x_pixel_height P_ ((struct frame *));
 612 extern int x_char_width P_ ((struct frame *));
 613 extern int x_char_height P_ ((struct frame *));
 614 extern void x_sync P_ ((struct frame *));
 615 extern void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
 616 extern void mac_update_title_bar P_ ((struct frame *, int));
 617
 618 /* Defined in macmenu.c */
 619
 620 extern void x_activate_menubar P_ ((struct frame *));
 621 extern void free_frame_menubar P_ ((struct frame *));
 622
 623 /* Defined in mac.c.  */
 624
 625 extern void mac_clear_font_name_table P_ ((void));
 626 extern Lisp_Object mac_aedesc_to_lisp P_ ((const AEDesc *));
 627 #if TARGET_API_MAC_CARBON
 628 extern OSErr create_apple_event_from_event_ref P_ ((EventRef, UInt32,
 629                                                     EventParamName *,
 630                                                     EventParamType *,
 631                                                     AppleEvent *));
 632 extern OSErr create_apple_event_from_drag_ref P_ ((DragRef, UInt32,
 633                                                    FlavorType *,
 634                                                    AppleEvent *));
 635 extern CFStringRef cfstring_create_with_utf8_cstring P_ ((const char *));
 636 extern CFStringRef cfstring_create_with_string P_ ((Lisp_Object));
 637 extern Lisp_Object cfdata_to_lisp P_ ((CFDataRef));
 638 extern Lisp_Object cfstring_to_lisp_nodecode P_ ((CFStringRef));
 639 extern Lisp_Object cfstring_to_lisp P_ ((CFStringRef));
 640 extern Lisp_Object cfnumber_to_lisp P_ ((CFNumberRef));
 641 extern Lisp_Object cfdate_to_lisp P_ ((CFDateRef));
 642 extern Lisp_Object cfboolean_to_lisp P_ ((CFBooleanRef));
 643 extern Lisp_Object cfobject_desc_to_lisp P_ ((CFTypeRef));
 644 extern Lisp_Object cfproperty_list_to_lisp P_ ((CFPropertyListRef, int, int));
 645 #endif
 646 extern void xrm_merge_string_database P_ ((XrmDatabase, char *));
 647 extern Lisp_Object xrm_get_resource P_ ((XrmDatabase, char *, char *));
 648 extern XrmDatabase xrm_get_preference_database P_ ((char *));
 649 EXFUN (Fmac_get_preference, 4);
 650
 651 /* arch-tag: 6b4ca125-5bef-476d-8ee8-31ed808b7e79
 652    (do not change this comment) */