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 {
 231   /* Placeholder for things accessed through output_data.x.  Must
 232      appear first.  */
 233   struct x_output x_compatible;
 234
 235   /* Menubar "widget" handle.  */
 236   int menubar_widget;
 237
 238   FRAME_PTR mFP;                /* points back to the frame struct */
 239
 240   /* Here are the Graphics Contexts for the default font.  */
 241   GC normal_gc;                         /* Normal video */
 242   GC reverse_gc;                        /* Reverse video */
 243   GC cursor_gc;                         /* cursor drawing */
 244
 245   /* The window used for this frame.
 246      May be zero while the frame object is being created
 247      and the window has not yet been created.  */
 248   Window window_desc;
 249
 250   /* The window that is the parent of this window.
 251      Usually this is a window that was made by the window manager,
 252      but it can be the root window, and it can be explicitly specified
 253      (see the explicit_parent field, below).  */
 254   Window parent_desc;
 255
 256   /* Default ASCII font of this frame. */
 257   XFontStruct *font;
 258
 259   /* The baseline offset of the default ASCII font.  */
 260   int baseline_offset;
 261
 262   /* If a fontset is specified for this frame instead of font, this
 263      value contains an ID of the fontset, else -1.  */
 264   int fontset;
 265
 266   /* Pixel values used for various purposes.
 267      border_pixel may be -1 meaning use a gray tile.  */
 268   unsigned long cursor_pixel;
 269   unsigned long border_pixel;
 270   unsigned long mouse_pixel;
 271   unsigned long cursor_foreground_pixel;
 272
 273 #if 0
 274   /* Foreground color for scroll bars.  A value of -1 means use the
 275      default (black for non-toolkit scroll bars).  */
 276   unsigned long scroll_bar_foreground_pixel;
 277
 278   /* Background color for scroll bars.  A value of -1 means use the
 279      default (background color of the frame for non-toolkit scroll
 280      bars).  */
 281   unsigned long scroll_bar_background_pixel;
 282 #endif
 283
 284   /* Descriptor for the cursor in use for this window.  */
 285   Cursor text_cursor;
 286   Cursor nontext_cursor;
 287   Cursor modeline_cursor;
 288   Cursor hand_cursor;
 289   Cursor hourglass_cursor;
 290   Cursor horizontal_drag_cursor;
 291 #if 0
 292   /* Window whose cursor is hourglass_cursor.  This window is temporarily
 293      mapped to display a hourglass-cursor.  */
 294   Window hourglass_window;
 295
 296   /* Non-zero means hourglass cursor is currently displayed.  */
 297   unsigned hourglass_p : 1;
 298
 299   /* Flag to set when the window needs to be completely repainted.  */
 300   int needs_exposure;
 301
 302 #endif
 303
 304 #if TARGET_API_MAC_CARBON
 305   /* The Mac control reference for the hourglass (progress indicator)
 306      shown at the upper-right corner of the window.  */
 307   ControlRef hourglass_control;
 308 #endif
 309
 310   /* This is the Emacs structure for the display this frame is on.  */
 311   /* struct w32_display_info *display_info; */
 312
 313   /* Nonzero means our parent is another application's window
 314      and was explicitly specified.  */
 315   char explicit_parent;
 316
 317   /* Nonzero means tried already to make this frame visible.  */
 318   char asked_for_visible;
 319
 320   /* Relief GCs, colors etc.  */
 321   struct relief
 322   {
 323     GC gc;
 324     unsigned long pixel;
 325     int allocated_p;
 326   }
 327   black_relief, white_relief;
 328
 329   /* The background for which the above relief GCs were set up.
 330      They are changed only when a different background is involved.  */
 331   unsigned long relief_background;
 332
 333   /* Hints for the size and the position of a window.  */
 334   XSizeHints *size_hints;
 335
 336 #if USE_CG_DRAWING
 337   /* Quartz 2D graphics context.  */
 338   CGContextRef cg_context;
 339 #endif
 340 };
 341
 342 typedef struct mac_output mac_output;
 343
 344 /* Return the X output data for frame F.  */
 345 #define FRAME_X_OUTPUT(f) ((f)->output_data.mac)
 346
 347 /* Return the Mac window used for displaying data in frame F.  */
 348 #define FRAME_MAC_WINDOW(f) ((f)->output_data.mac->window_desc)
 349 #define FRAME_X_WINDOW(f) ((f)->output_data.mac->window_desc)
 350
 351 #define FRAME_FOREGROUND_PIXEL(f) ((f)->output_data.x->foreground_pixel)
 352 #define FRAME_BACKGROUND_PIXEL(f) ((f)->output_data.x->background_pixel)
 353
 354 #define FRAME_FONT(f) ((f)->output_data.mac->font)
 355 #define FRAME_FONTSET(f) ((f)->output_data.mac->fontset)
 356
 357 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.mac->baseline_offset)
 358
 359 #define FRAME_SIZE_HINTS(f) ((f)->output_data.mac->size_hints)
 360
 361 /* This gives the mac_display_info structure for the display F is on.  */
 362 #define FRAME_MAC_DISPLAY_INFO(f) (&one_mac_display_info)
 363 #define FRAME_X_DISPLAY_INFO(f) (&one_mac_display_info)
 364
 365 /* This is the `Display *' which frame F is on.  */
 366 #define FRAME_MAC_DISPLAY(f) (0)
 367 #define FRAME_X_DISPLAY(f) (0)
 368
 369 /* This is the 'font_info *' which frame F has.  */
 370 #define FRAME_MAC_FONT_TABLE(f) (FRAME_MAC_DISPLAY_INFO (f)->font_table)
 371
 372 /* Value is the smallest width of any character in any font on frame F.  */
 373
 374 #define FRAME_SMALLEST_CHAR_WIDTH(F) \
 375      FRAME_MAC_DISPLAY_INFO(F)->smallest_char_width
 376
 377 /* Value is the smallest height of any font on frame F.  */
 378
 379 #define FRAME_SMALLEST_FONT_HEIGHT(F) \
 380      FRAME_MAC_DISPLAY_INFO(F)->smallest_font_height
 381
 382 /* Return a pointer to the image cache of frame F.  */
 383
 384 #define FRAME_X_IMAGE_CACHE(F) FRAME_MAC_DISPLAY_INFO ((F))->image_cache
 385
 386 \f
 387 /* Mac-specific scroll bar stuff.  */
 388
 389 /* We represent scroll bars as lisp vectors.  This allows us to place
 390    references to them in windows without worrying about whether we'll
 391    end up with windows referring to dead scroll bars; the garbage
 392    collector will free it when its time comes.
 393
 394    We use struct scroll_bar as a template for accessing fields of the
 395    vector.  */
 396
 397 struct scroll_bar {
 398
 399   /* These fields are shared by all vectors.  */
 400   EMACS_INT size_from_Lisp_Vector_struct;
 401   struct Lisp_Vector *next_from_Lisp_Vector_struct;
 402
 403   /* The window we're a scroll bar for.  */
 404   Lisp_Object window;
 405
 406   /* The next and previous in the chain of scroll bars in this frame.  */
 407   Lisp_Object next, prev;
 408
 409   /* The Mac control handle of this scroll bar.  Since this is a full
 410      32-bit quantity, we store it split into two 32-bit values.  */
 411   Lisp_Object control_handle_low, control_handle_high;
 412
 413   /* The position and size of the scroll bar in pixels, relative to the
 414      frame.  */
 415   Lisp_Object top, left, width, height;
 416
 417   /* The starting and ending positions of the handle, relative to the
 418      handle area (i.e. zero is the top position, not
 419      SCROLL_BAR_TOP_BORDER).  If they're equal, that means the handle
 420      hasn't been drawn yet.
 421
 422      These are not actually the locations where the beginning and end
 423      are drawn; in order to keep handles from becoming invisible when
 424      editing large files, we establish a minimum height by always
 425      drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
 426      where they would be normally; the bottom and top are in a
 427      different co-ordinate system.  */
 428   Lisp_Object start, end;
 429
 430   /* If the scroll bar handle is currently being dragged by the user,
 431      this is the number of pixels from the top of the handle to the
 432      place where the user grabbed it.  If the handle isn't currently
 433      being dragged, this is Qnil.  */
 434   Lisp_Object dragging;
 435
 436 #ifdef USE_TOOLKIT_SCROLL_BARS
 437   /* The position and size of the scroll bar handle track area in
 438      pixels, relative to the frame.  */
 439   Lisp_Object track_top, track_height;
 440 #endif
 441 };
 442
 443 /* The number of elements a vector holding a struct scroll_bar needs.  */
 444 #define SCROLL_BAR_VEC_SIZE                                     \
 445   ((sizeof (struct scroll_bar)                                  \
 446     - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *))       \
 447    / sizeof (Lisp_Object))
 448
 449 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 450 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
 451
 452
 453 /* Building a 32-bit C integer from two 16-bit lisp integers.  */
 454 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low))
 455
 456 /* Setting two lisp integers to the low and high words of a 32-bit C int.  */
 457 #define SCROLL_BAR_UNPACK(low, high, int32) \
 458   (XSETINT ((low),   (int32)        & 0xffff), \
 459    XSETINT ((high), ((int32) >> 16) & 0xffff))
 460
 461
 462 /* Extract the Mac control handle of the scroll bar from a struct
 463    scroll_bar.  */
 464 #define SCROLL_BAR_CONTROL_HANDLE(ptr) \
 465   ((ControlHandle) SCROLL_BAR_PACK ((ptr)->control_handle_low, \
 466                                     (ptr)->control_handle_high))
 467
 468 /* Store a Mac control handle in a struct scroll_bar.  */
 469 #define SET_SCROLL_BAR_CONTROL_HANDLE(ptr, id) \
 470   (SCROLL_BAR_UNPACK ((ptr)->control_handle_low, \
 471                       (ptr)->control_handle_high, (int) id))
 472
 473 /* Return the inside width of a vertical scroll bar, given the outside
 474    width.  */
 475 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f, width) \
 476   ((width) \
 477    - VERTICAL_SCROLL_BAR_LEFT_BORDER \
 478    - VERTICAL_SCROLL_BAR_RIGHT_BORDER \
 479    - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2)
 480
 481 /* Return the length of the rectangle within which the top of the
 482    handle must stay.  This isn't equivalent to the inside height,
 483    because the scroll bar handle has a minimum height.
 484
 485    This is the real range of motion for the scroll bar, so when we're
 486    scaling buffer positions to scroll bar positions, we use this, not
 487    VERTICAL_SCROLL_BAR_INSIDE_HEIGHT.  */
 488 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f,height) \
 489   (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) \
 490    - VERTICAL_SCROLL_BAR_MIN_HANDLE - UP_AND_DOWN_ARROWS)
 491
 492 /* Return the inside height of vertical scroll bar, given the outside
 493    height.  See VERTICAL_SCROLL_BAR_TOP_RANGE too.  */
 494 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f,height) \
 495   ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER \
 496    - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
 497
 498
 499 /* Border widths for scroll bars.
 500
 501    Scroll bar windows don't have any borders; their border width is
 502    set to zero, and we redraw borders ourselves.  This makes the code
 503    a bit cleaner, since we don't have to convert between outside width
 504    (used when relating to the rest of the screen) and inside width
 505    (used when sizing and drawing the scroll bar window itself).
 506
 507    The handle moves up and down/back and forth in a rectangle inset
 508    from the edges of the scroll bar.  These are widths by which we
 509    inset the handle boundaries from the scroll bar edges.  */
 510 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0)
 511 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0)
 512 #define VERTICAL_SCROLL_BAR_TOP_BORDER (0)
 513 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (0)
 514
 515 /* Minimum lengths for scroll bar handles, in pixels.  */
 516 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (16)
 517
 518 /* Combined length of up and down arrow boxes in scroll bars, in pixels.  */
 519 #define UP_AND_DOWN_ARROWS (32)
 520
 521 /* Trimming off a few pixels from each side prevents
 522    text from glomming up against the scroll bar */
 523 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
 524
 525 /* Variations of possible Aqua scroll bar width.  */
 526 #define MAC_AQUA_VERTICAL_SCROLL_BAR_WIDTH (15)
 527 #define MAC_AQUA_SMALL_VERTICAL_SCROLL_BAR_WIDTH (11)
 528
 529 /* Size of hourglass controls */
 530 #define HOURGLASS_WIDTH 16
 531 #define HOURGLASS_HEIGHT 16
 532
 533 /* Some constants that are used locally.  */
 534 /* Apple event descriptor types */
 535 enum {
 536   TYPE_FILE_NAME                = 'fNam'
 537 };
 538
 539 /* Keywords for Apple event attributes */
 540 enum {
 541   KEY_EMACS_SUSPENSION_ID_ATTR  = 'esId' /* typeUInt32 */
 542 };
 543
 544 /* Carbon event parameter names.  */
 545 enum {
 546   EVENT_PARAM_TEXT_INPUT_SEQUENCE_NUMBER = 'tsSn' /* typeUInt32 */
 547 };
 548
 549 /* Some constants that are not defined in older versions.  */
 550 #if MAC_OS_X_VERSION_MAX_ALLOWED < 1030
 551 /* Keywords for Apple event attributes */
 552 enum {
 553   keyReplyRequestedAttr         = 'repq'
 554 };
 555 #endif
 556
 557 #if MAC_OS_X_VERSION_MAX_ALLOWED < 1040
 558 /* Gestalt selectors */
 559 enum {
 560   gestaltSystemVersionMajor     = 'sys1',
 561   gestaltSystemVersionMinor     = 'sys2',
 562   gestaltSystemVersionBugFix    = 'sys3'
 563 };
 564 #endif
 565
 566 #ifdef MAC_OSX
 567 #if MAC_OS_X_VERSION_MAX_ALLOWED < 1020
 568 /* Apple event descriptor types */
 569 enum {
 570   typeUTF8Text                  = 'utf8'
 571 };
 572
 573 /* Carbon event parameter names */
 574 enum {
 575   kEventParamWindowMouseLocation = 'wmou'
 576 };
 577 #endif
 578 #endif
 579
 580 struct frame;
 581 struct face;
 582 struct image;
 583
 584 Lisp_Object display_x_get_resource P_ ((struct x_display_info *,
 585                                         Lisp_Object, Lisp_Object,
 586                                         Lisp_Object, Lisp_Object));
 587 struct frame *check_x_frame P_ ((Lisp_Object));
 588 EXFUN (Fx_display_color_p, 1);
 589 EXFUN (Fx_display_grayscale_p, 1);
 590 EXFUN (Fx_display_planes, 1);
 591 extern void x_free_gcs P_ ((struct frame *));
 592 extern int XParseGeometry P_ ((char *, int *, int *, unsigned int *,
 593                                unsigned int *));
 594
 595 /* Defined in macterm.c.  */
 596
 597 extern void x_set_window_size P_ ((struct frame *, int, int, int));
 598 extern void x_set_mouse_position P_ ((struct frame *, int, int));
 599 extern void x_set_mouse_pixel_position P_ ((struct frame *, int, int));
 600 extern void x_make_frame_visible P_ ((struct frame *));
 601 extern void x_make_frame_invisible P_ ((struct frame *));
 602 extern void x_iconify_frame P_ ((struct frame *));
 603 extern void x_free_frame_resources P_ ((struct frame *));
 604 extern void x_destroy_window P_ ((struct frame *));
 605 extern void x_wm_set_size_hint P_ ((struct frame *, long, int));
 606 extern void x_delete_display P_ ((struct x_display_info *));
 607 extern void mac_initialize P_ ((void));
 608 extern Pixmap XCreatePixmap P_ ((Display *, WindowPtr, unsigned int,
 609                                  unsigned int, unsigned int));
 610 extern Pixmap XCreatePixmapFromBitmapData P_ ((Display *, WindowPtr, char *,
 611                                                unsigned int, unsigned int,
 612                                                unsigned long, unsigned long,
 613                                                unsigned int));
 614 extern void XFreePixmap P_ ((Display *, Pixmap));
 615 extern GC XCreateGC P_ ((Display *, Window, unsigned long, XGCValues *));
 616 extern void XFreeGC P_ ((Display *, GC));
 617 extern void XSetForeground P_ ((Display *, GC, unsigned long));
 618 extern void XSetBackground P_ ((Display *, GC, unsigned long));
 619 extern void XSetWindowBackground P_ ((Display *, WindowPtr, unsigned long));
 620 extern void mac_draw_line_to_pixmap P_ ((Display *, Pixmap, GC, int, int,
 621                                          int, int));
 622 extern void mac_clear_area P_ ((struct frame *, int, int,
 623                                 unsigned int, unsigned int));
 624 extern void mac_unload_font P_ ((struct mac_display_info *, XFontStruct *));
 625 extern int mac_font_panel_visible_p P_ ((void));
 626 extern OSStatus mac_show_hide_font_panel P_ ((void));
 627 extern OSStatus mac_set_font_info_for_selection P_ ((struct frame *, int, int));
 628 extern OSStatus install_window_handler P_ ((WindowPtr));
 629 extern void remove_window_handler P_ ((WindowPtr));
 630 extern OSStatus mac_post_mouse_moved_event P_ ((void));
 631 #if !TARGET_API_MAC_CARBON
 632 extern void do_apple_menu P_ ((SInt16));
 633 #endif
 634 #if USE_CG_DRAWING
 635 extern void mac_prepare_for_quickdraw P_ ((struct frame *));
 636 #endif
 637
 638 #define FONT_TYPE_FOR_UNIBYTE(font, ch) 0
 639 #define FONT_TYPE_FOR_MULTIBYTE(font, ch) 0
 640
 641 /* Defined in macselect.c */
 642
 643 extern void x_clear_frame_selections P_ ((struct frame *));
 644
 645 /* Defined in macfns.c */
 646
 647 extern int have_menus_p P_ ((void));
 648
 649 extern void x_real_positions P_ ((struct frame *, int *, int *));
 650 extern void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
 651 extern int x_pixel_width P_ ((struct frame *));
 652 extern int x_pixel_height P_ ((struct frame *));
 653 extern int x_char_width P_ ((struct frame *));
 654 extern int x_char_height P_ ((struct frame *));
 655 extern void x_sync P_ ((struct frame *));
 656 extern void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
 657 extern void mac_update_title_bar P_ ((struct frame *, int));
 658 extern Lisp_Object x_get_focus_frame P_ ((struct frame *));
 659
 660 /* Defined in macmenu.c */
 661
 662 extern void x_activate_menubar P_ ((struct frame *));
 663 extern void free_frame_menubar P_ ((struct frame *));
 664
 665 /* Defined in mac.c.  */
 666
 667 extern void mac_clear_font_name_table P_ ((void));
 668 extern Lisp_Object mac_aedesc_to_lisp P_ ((const AEDesc *));
 669 extern OSErr mac_ae_put_lisp P_ ((AEDescList *, UInt32, Lisp_Object));
 670 #if TARGET_API_MAC_CARBON
 671 extern OSStatus create_apple_event_from_event_ref P_ ((EventRef, UInt32,
 672                                                        const EventParamName *,
 673                                                        const EventParamType *,
 674                                                        AppleEvent *));
 675 extern OSErr create_apple_event_from_drag_ref P_ ((DragRef, UInt32,
 676                                                    const FlavorType *,
 677                                                    AppleEvent *));
 678 extern CFStringRef cfstring_create_with_utf8_cstring P_ ((const char *));
 679 extern CFStringRef cfstring_create_with_string P_ ((Lisp_Object));
 680 extern Lisp_Object cfdata_to_lisp P_ ((CFDataRef));
 681 extern Lisp_Object cfstring_to_lisp_nodecode P_ ((CFStringRef));
 682 extern Lisp_Object cfstring_to_lisp P_ ((CFStringRef));
 683 extern Lisp_Object cfnumber_to_lisp P_ ((CFNumberRef));
 684 extern Lisp_Object cfdate_to_lisp P_ ((CFDateRef));
 685 extern Lisp_Object cfboolean_to_lisp P_ ((CFBooleanRef));
 686 extern Lisp_Object cfobject_desc_to_lisp P_ ((CFTypeRef));
 687 extern Lisp_Object cfproperty_list_to_lisp P_ ((CFPropertyListRef, int, int));
 688 #endif
 689 extern void xrm_merge_string_database P_ ((XrmDatabase, const char *));
 690 extern Lisp_Object xrm_get_resource P_ ((XrmDatabase, const char *,
 691                                          const char *));
 692 extern XrmDatabase xrm_get_preference_database P_ ((const char *));
 693 EXFUN (Fmac_get_preference, 4);
 694
 695 /* arch-tag: 6b4ca125-5bef-476d-8ee8-31ed808b7e79
 696    (do not change this comment) */