src/macterm.h

   1 /* Display module for Mac OS.
   2    Copyright (C) 2000, 2001 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Emacs.
   5
   6 GNU Emacs is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Emacs is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Emacs; see the file COPYING.  If not, write to
  18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21 /* Contributed by Andrew Choi (akochoi@mac.com).  */
  22
  23 #include "macgui.h"
  24 #include "frame.h"
  25
  26 #define RGB_TO_ULONG(r, g, b) (((r) << 16) | ((g) << 8) | (b))
  27
  28 #define RED_FROM_ULONG(color) ((color) >> 16)
  29 #define GREEN_FROM_ULONG(color) (((color) >> 8) & 0xff)
  30 #define BLUE_FROM_ULONG(color) ((color) & 0xff)
  31
  32 /* Do not change `* 0x101' in the following lines to `<< 8'.  If
  33    changed, image masks in 1-bit depth will not work. */
  34 #define RED16_FROM_ULONG(color) (RED_FROM_ULONG(color) * 0x101)
  35 #define GREEN16_FROM_ULONG(color) (GREEN_FROM_ULONG(color) * 0x101)
  36 #define BLUE16_FROM_ULONG(color) (BLUE_FROM_ULONG(color) * 0x101)
  37
  38 #define BLACK_PIX_DEFAULT(f) RGB_TO_ULONG(0,0,0)
  39 #define WHITE_PIX_DEFAULT(f) RGB_TO_ULONG(255,255,255)
  40
  41 /* A black pixel in a mask bitmap/pixmap means ``draw a source
  42    pixel''.  A white pixel means ``retain the current pixel''. */
  43 #define PIX_MASK_DRAW(f) BLACK_PIX_DEFAULT(f)
  44 #define PIX_MASK_RETAIN(f) WHITE_PIX_DEFAULT(f)
  45
  46 #define FONT_WIDTH(f)   ((f)->max_bounds.width)
  47 #define FONT_HEIGHT(f)  ((f)->ascent + (f)->descent)
  48 #define FONT_BASE(f)    ((f)->ascent)
  49 #define FONT_DESCENT(f) ((f)->descent)
  50
  51 #define FONT_MAX_WIDTH(f) FONT_WIDTH(f)  /* fix later */
  52
  53 /* Structure recording bitmaps and reference count.
  54    If REFCOUNT is 0 then this record is free to be reused.  */
  55
  56 struct mac_bitmap_record
  57 {
  58   char *bitmap_data;
  59   char *file;
  60   int refcount;
  61   int height, width;
  62 };
  63
  64
  65 /* For each display (currently only one on mac), we have a structure that
  66    records information about it.  */
  67
  68 struct mac_display_info
  69 {
  70   /* Chain of all mac_display_info structures.  */
  71   struct mac_display_info *next;
  72
  73   /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
  74      The same cons cell also appears in x_display_name_list.  */
  75   Lisp_Object name_list_element;
  76
  77   /* Number of frames that are on this display.  */
  78   int reference_count;
  79
  80   /* Dots per inch of the screen.  */
  81   double resx, resy;
  82
  83   /* Number of planes on this screen.  */
  84   int n_planes;
  85
  86   /* Whether the screen supports color */
  87   int color_p;
  88
  89 #if 0
  90   /* Number of bits per pixel on this screen.  */
  91   int n_cbits;
  92 #endif
  93
  94   /* Dimensions of this screen.  */
  95   int height, width;
  96 #if 0
  97   int height_in,width_in;
  98 #endif
  99
 100   /* Mask of things that cause the mouse to be grabbed.  */
 101   int grabbed;
 102
 103 #if 0
 104   /* Emacs bitmap-id of the default icon bitmap for this frame.
 105      Or -1 if none has been allocated yet.  */
 106   int icon_bitmap_id;
 107
 108 #endif
 109   /* The root window of this screen.  */
 110   Window root_window;
 111
 112   /* The cursor to use for vertical scroll bars.  */
 113   Cursor vertical_scroll_bar_cursor;
 114
 115   /* Resource data base */
 116   XrmDatabase xrdb;
 117
 118 #if 0
 119   /* color palette information.  */
 120   int has_palette;
 121   struct w32_palette_entry * color_list;
 122   unsigned num_colors;
 123   HPALETTE palette;
 124
 125   /* deferred action flags checked when starting frame update.  */
 126   int regen_palette;
 127
 128   /* Keystroke that has been faked by Emacs and will be ignored when
 129      received; value is reset after key is received.  */
 130   int faked_key;
 131
 132 #endif
 133
 134   /* A table of all the fonts we have already loaded.  */
 135   struct font_info *font_table;
 136
 137   /* The current capacity of font_table.  */
 138   int font_table_size;
 139
 140   /* The number of fonts actually stored in the font table.
 141      font_table[n] is used and valid iff 0 <= n < n_fonts. 0 <=
 142      n_fonts <= font_table_size. and font_table[i].name != 0. */
 143   int n_fonts;
 144
 145   /* Minimum width over all characters in all fonts in font_table.  */
 146   int smallest_char_width;
 147
 148   /* Minimum font height over all fonts in font_table.  */
 149   int smallest_font_height;
 150
 151   /* Reusable Graphics Context for drawing a cursor in a non-default face. */
 152   XGCValues *scratch_cursor_gc;
 153
 154   /* These variables describe the range of text currently shown in its
 155      mouse-face, together with the window they apply to. As long as
 156      the mouse stays within this range, we need not redraw anything on
 157      its account.  Rows and columns are glyph matrix positions in
 158      MOUSE_FACE_WINDOW.  */
 159   int mouse_face_beg_row, mouse_face_beg_col;
 160   int mouse_face_beg_x, mouse_face_beg_y;
 161   int mouse_face_end_row, mouse_face_end_col;
 162   int mouse_face_end_x, mouse_face_end_y;
 163   int mouse_face_past_end;
 164   Lisp_Object mouse_face_window;
 165   int mouse_face_face_id;
 166   Lisp_Object mouse_face_overlay;
 167
 168   /* 1 if a mouse motion event came and we didn't handle it right away because
 169      gc was in progress.  */
 170   int mouse_face_deferred_gc;
 171
 172   /* FRAME and X, Y position of mouse when last checked for
 173      highlighting.  X and Y can be negative or out of range for the frame.  */
 174   struct frame *mouse_face_mouse_frame;
 175
 176   int mouse_face_mouse_x, mouse_face_mouse_y;
 177
 178   /* Nonzero means defer mouse-motion highlighting.  */
 179   int mouse_face_defer;
 180
 181   /* Nonzero means that the mouse highlight should not be shown.  */
 182   int mouse_face_hidden;
 183
 184   int mouse_face_image_state;
 185
 186   char *mac_id_name;
 187
 188   /* Pointer to bitmap records.  */
 189   struct mac_bitmap_record *bitmaps;
 190
 191   /* Allocated size of bitmaps field.  */
 192   int bitmaps_size;
 193
 194   /* Last used bitmap index.  */
 195   int bitmaps_last;
 196
 197   /* The frame (if any) which has the window that has keyboard focus.
 198      Zero if none.  This is examined by Ffocus_frame in w32fns.c.  Note
 199      that a mere EnterNotify event can set this; if you need to know the
 200      last frame specified in a FocusIn or FocusOut event, use
 201      w32_focus_event_frame.  */
 202   struct frame *x_focus_frame;
 203
 204   /* The last frame mentioned in a FocusIn or FocusOut event.  This is
 205      separate from w32_focus_frame, because whether or not LeaveNotify
 206      events cause us to lose focus depends on whether or not we have
 207      received a FocusIn event for it.  */
 208   struct frame *x_focus_event_frame;
 209
 210   /* The frame which currently has the visual highlight, and should get
 211      keyboard input (other sorts of input have the frame encoded in the
 212      event).  It points to the focus frame's selected window's
 213      frame.  It differs from w32_focus_frame when we're using a global
 214      minibuffer.  */
 215   struct frame *x_highlight_frame;
 216
 217   /* Cache of images.  */
 218   struct image_cache *image_cache;
 219 };
 220
 221 #define x_display_info mac_display_info
 222
 223 /* This is a chain of structures for all the X displays currently in use.  */
 224 extern struct x_display_info *x_display_list;
 225
 226 /* This is a chain of structures for all the displays currently in use.  */
 227 extern struct mac_display_info one_mac_display_info;
 228
 229 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
 230    one for each element of x_display_list and in the same order.
 231    NAME is the name of the frame.
 232    FONT-LIST-CACHE records previous values returned by x-list-fonts.  */
 233 extern Lisp_Object x_display_name_list;
 234
 235 /* A flag to control how to display unibyte 8-bit character.  */
 236 extern int unibyte_display_via_language_environment;
 237
 238 extern struct x_display_info *x_display_info_for_display P_ ((Display *));
 239 extern struct x_display_info *x_display_info_for_name P_ ((Lisp_Object));
 240
 241 extern struct mac_display_info *mac_term_init ();
 242
 243 extern Lisp_Object x_list_fonts P_ ((struct frame *, Lisp_Object, int, int));
 244 extern struct font_info *x_get_font_info P_ ((struct frame *f, int));
 245 extern struct font_info *x_load_font P_ ((struct frame *, char *, int));
 246 extern struct font_info *x_query_font P_ ((struct frame *, char *));
 247 extern void x_find_ccl_program P_ ((struct font_info *));
 248 \f
 249 /* When Emacs uses a tty window, tty_display in frame.c points to an
 250    x_output struct .  */
 251 struct x_output
 252 {
 253   unsigned long background_pixel;
 254   unsigned long foreground_pixel;
 255 };
 256
 257 /* The collection of data describing a window on the Mac.  */
 258 struct mac_output {
 259   /* Placeholder for things accessed through output_data.x.  Must
 260      appear first.  */
 261   struct x_output x_compatible;
 262
 263   /* Menubar "widget" handle.  */
 264   int menubar_widget;
 265
 266   Window mWP;                   /* pointer to QuickDraw window */
 267   FRAME_PTR mFP;                /* points back to the frame struct */
 268
 269 #if 0
 270   int mNumCols;                 /* number of characters per column */
 271   int mNumRows;                 /* number of characters per row */
 272   int mLineHeight;              /* height of one line of text in pixels */
 273   int mCharWidth;               /* width of one character in pixels */
 274   int mHomeX;                   /* X pixel coordinate of lower left
 275                                    corner of character at (0, 0) */
 276   int mHomeY;                   /* Y pixel coordinate of lower left
 277                                    corner of character at (0, 0) */
 278   int mHighlight;               /* current highlight state (0 = off). */
 279   int mTermWinSize;             /* num of lines from top of window
 280                                    affected by ins_del_lines; set by
 281                                    set_terminal_window. */
 282 #endif /* 0 */
 283
 284 #if 0
 285   /* stuffs used by xfaces.c */
 286   struct face **param_faces;
 287   int n_param_faces;
 288   struct face **computed_faces;
 289   int n_computed_faces;
 290   int size_computed_faces;
 291 #endif
 292
 293   /* Here are the Graphics Contexts for the default font.  */
 294   GC normal_gc;                         /* Normal video */
 295   GC reverse_gc;                        /* Reverse video */
 296   GC cursor_gc;                         /* cursor drawing */
 297
 298   /* The window used for this frame.
 299      May be zero while the frame object is being created
 300      and the window has not yet been created.  */
 301   Window window_desc;
 302
 303   /* The window that is the parent of this window.
 304      Usually this is a window that was made by the window manager,
 305      but it can be the root window, and it can be explicitly specified
 306      (see the explicit_parent field, below).  */
 307   Window parent_desc;
 308
 309   /* Default ASCII font of this frame. */
 310   XFontStruct *font;
 311
 312   /* The baseline offset of the default ASCII font.  */
 313   int baseline_offset;
 314
 315   /* If a fontset is specified for this frame instead of font, this
 316      value contains an ID of the fontset, else -1.  */
 317   int fontset;
 318
 319   /* Pixel values used for various purposes.
 320      border_pixel may be -1 meaning use a gray tile.  */
 321   unsigned long cursor_pixel;
 322   unsigned long border_pixel;
 323   unsigned long mouse_pixel;
 324   unsigned long cursor_foreground_pixel;
 325
 326   /* Foreground color for scroll bars.  A value of -1 means use the
 327      default (black for non-toolkit scroll bars).  */
 328   unsigned long scroll_bar_foreground_pixel;
 329
 330   /* Background color for scroll bars.  A value of -1 means use the
 331      default (background color of the frame for non-toolkit scroll
 332      bars).  */
 333   unsigned long scroll_bar_background_pixel;
 334
 335   /* Descriptor for the cursor in use for this window.  */
 336   Cursor text_cursor;
 337   Cursor nontext_cursor;
 338   Cursor modeline_cursor;
 339   Cursor hand_cursor;
 340   Cursor hourglass_cursor;
 341   Cursor horizontal_drag_cursor;
 342 #if 0
 343   /* Window whose cursor is hourglass_cursor.  This window is temporarily
 344      mapped to display a hourglass-cursor.  */
 345   Window hourglass_window;
 346
 347   /* Non-zero means hourglass cursor is currently displayed.  */
 348   unsigned hourglass_p : 1;
 349
 350   /* Flag to set when the window needs to be completely repainted.  */
 351   int needs_exposure;
 352
 353 #endif
 354
 355 #if 0
 356   DWORD dwStyle;
 357 #endif
 358
 359   /* This is the Emacs structure for the display this frame is on.  */
 360   /* struct w32_display_info *display_info; */
 361
 362   /* Nonzero means our parent is another application's window
 363      and was explicitly specified.  */
 364   char explicit_parent;
 365
 366   /* Nonzero means tried already to make this frame visible.  */
 367   char asked_for_visible;
 368
 369   /* Nonzero means menubar is currently active.  */
 370   char menubar_active;
 371
 372   /* Nonzero means a menu command is being processed.  */
 373   char menu_command_in_progress;
 374
 375   /* Nonzero means menubar is about to become active, but should be
 376      brought up to date first.  */
 377   volatile char pending_menu_activation;
 378
 379   /* Relief GCs, colors etc.  */
 380   struct relief
 381   {
 382     XGCValues *gc;
 383     unsigned long pixel;
 384     int allocated_p;
 385   }
 386   black_relief, white_relief;
 387
 388   /* The background for which the above relief GCs were set up.
 389      They are changed only when a different background is involved.  */
 390   unsigned long relief_background;
 391 };
 392
 393 typedef struct mac_output mac_output;
 394
 395 /* Return the X output data for frame F.  */
 396 #define FRAME_X_OUTPUT(f) ((f)->output_data.mac)
 397
 398 /* Return the Mac window used for displaying data in frame F.  */
 399 #define FRAME_MAC_WINDOW(f) ((f)->output_data.mac->mWP)
 400 #define FRAME_X_WINDOW(f) ((f)->output_data.mac->mWP)
 401
 402 #define FRAME_FOREGROUND_PIXEL(f) ((f)->output_data.x->foreground_pixel)
 403 #define FRAME_BACKGROUND_PIXEL(f) ((f)->output_data.x->background_pixel)
 404
 405 #define FRAME_FONT(f) ((f)->output_data.mac->font)
 406 #define FRAME_FONTSET(f) ((f)->output_data.mac->fontset)
 407
 408 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.mac->baseline_offset)
 409
 410 /* This gives the w32_display_info structure for the display F is on.  */
 411 #define FRAME_MAC_DISPLAY_INFO(f) (&one_mac_display_info)
 412 #define FRAME_X_DISPLAY_INFO(f) (&one_mac_display_info)
 413
 414 /* This is the `Display *' which frame F is on.  */
 415 #define FRAME_MAC_DISPLAY(f) (0)
 416 #define FRAME_X_DISPLAY(f) (0)
 417
 418 /* This is the 'font_info *' which frame F has.  */
 419 #define FRAME_MAC_FONT_TABLE(f) (FRAME_MAC_DISPLAY_INFO (f)->font_table)
 420
 421 /* Value is the smallest width of any character in any font on frame F.  */
 422
 423 #define FRAME_SMALLEST_CHAR_WIDTH(F) \
 424      FRAME_MAC_DISPLAY_INFO(F)->smallest_char_width
 425
 426 /* Value is the smallest height of any font on frame F.  */
 427
 428 #define FRAME_SMALLEST_FONT_HEIGHT(F) \
 429      FRAME_MAC_DISPLAY_INFO(F)->smallest_font_height
 430
 431 /* Return a pointer to the image cache of frame F.  */
 432
 433 #define FRAME_X_IMAGE_CACHE(F) FRAME_MAC_DISPLAY_INFO ((F))->image_cache
 434
 435 \f
 436 /* Mac-specific scroll bar stuff.  */
 437
 438 /* We represent scroll bars as lisp vectors.  This allows us to place
 439    references to them in windows without worrying about whether we'll
 440    end up with windows referring to dead scroll bars; the garbage
 441    collector will free it when its time comes.
 442
 443    We use struct scroll_bar as a template for accessing fields of the
 444    vector.  */
 445
 446 struct scroll_bar {
 447
 448   /* These fields are shared by all vectors.  */
 449   EMACS_INT size_from_Lisp_Vector_struct;
 450   struct Lisp_Vector *next_from_Lisp_Vector_struct;
 451
 452   /* The window we're a scroll bar for.  */
 453   Lisp_Object window;
 454
 455   /* The next and previous in the chain of scroll bars in this frame.  */
 456   Lisp_Object next, prev;
 457
 458   /* The Mac control handle of this scroll bar.  Since this is a full
 459      32-bit quantity, we store it split into two 32-bit values.  */
 460   Lisp_Object control_handle_low, control_handle_high;
 461
 462   /* The position and size of the scroll bar in pixels, relative to the
 463      frame.  */
 464   Lisp_Object top, left, width, height;
 465
 466   /* The starting and ending positions of the handle, relative to the
 467      handle area (i.e. zero is the top position, not
 468      SCROLL_BAR_TOP_BORDER).  If they're equal, that means the handle
 469      hasn't been drawn yet.
 470
 471      These are not actually the locations where the beginning and end
 472      are drawn; in order to keep handles from becoming invisible when
 473      editing large files, we establish a minimum height by always
 474      drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
 475      where they would be normally; the bottom and top are in a
 476      different co-ordinate system.  */
 477   Lisp_Object start, end;
 478
 479   /* If the scroll bar handle is currently being dragged by the user,
 480      this is the number of pixels from the top of the handle to the
 481      place where the user grabbed it.  If the handle isn't currently
 482      being dragged, this is Qnil.  */
 483   Lisp_Object dragging;
 484 };
 485
 486 /* The number of elements a vector holding a struct scroll_bar needs.  */
 487 #define SCROLL_BAR_VEC_SIZE                                     \
 488   ((sizeof (struct scroll_bar)                                  \
 489     - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *))       \
 490    / sizeof (Lisp_Object))
 491
 492 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 493 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
 494
 495
 496 /* Building a 32-bit C integer from two 16-bit lisp integers.  */
 497 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low))
 498
 499 /* Setting two lisp integers to the low and high words of a 32-bit C int.  */
 500 #define SCROLL_BAR_UNPACK(low, high, int32) \
 501   (XSETINT ((low),   (int32)        & 0xffff), \
 502    XSETINT ((high), ((int32) >> 16) & 0xffff))
 503
 504
 505 /* Extract the Mac control handle of the scroll bar from a struct
 506    scroll_bar.  */
 507 #define SCROLL_BAR_CONTROL_HANDLE(ptr) \
 508   ((ControlHandle) SCROLL_BAR_PACK ((ptr)->control_handle_low, \
 509                                     (ptr)->control_handle_high))
 510
 511 /* Store a Mac control handle in a struct scroll_bar.  */
 512 #define SET_SCROLL_BAR_CONTROL_HANDLE(ptr, id) \
 513   (SCROLL_BAR_UNPACK ((ptr)->control_handle_low, \
 514                       (ptr)->control_handle_high, (int) id))
 515
 516 /* Return the inside width of a vertical scroll bar, given the outside
 517    width.  */
 518 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f,width) \
 519   ((width) \
 520    - VERTICAL_SCROLL_BAR_LEFT_BORDER \
 521    - VERTICAL_SCROLL_BAR_RIGHT_BORDER \
 522    - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2)
 523
 524 /* Return the length of the rectangle within which the top of the
 525    handle must stay.  This isn't equivalent to the inside height,
 526    because the scroll bar handle has a minimum height.
 527
 528    This is the real range of motion for the scroll bar, so when we're
 529    scaling buffer positions to scroll bar positions, we use this, not
 530    VERTICAL_SCROLL_BAR_INSIDE_HEIGHT.  */
 531 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f,height) \
 532   (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) \
 533    - VERTICAL_SCROLL_BAR_MIN_HANDLE - UP_AND_DOWN_ARROWS)
 534
 535 /* Return the inside height of vertical scroll bar, given the outside
 536    height.  See VERTICAL_SCROLL_BAR_TOP_RANGE too.  */
 537 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f,height) \
 538   ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER \
 539    - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
 540
 541
 542 /* Border widths for scroll bars.
 543
 544    Scroll bar windows don't have any borders; their border width is
 545    set to zero, and we redraw borders ourselves.  This makes the code
 546    a bit cleaner, since we don't have to convert between outside width
 547    (used when relating to the rest of the screen) and inside width
 548    (used when sizing and drawing the scroll bar window itself).
 549
 550    The handle moves up and down/back and forth in a rectangle inset
 551    from the edges of the scroll bar.  These are widths by which we
 552    inset the handle boundaries from the scroll bar edges.  */
 553 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0)
 554 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0)
 555 #define VERTICAL_SCROLL_BAR_TOP_BORDER (0)
 556 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (0)
 557
 558 /* Minimum lengths for scroll bar handles, in pixels.  */
 559 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (16)
 560
 561 /* Combined length of up and down arrow boxes in scroll bars, in pixels.  */
 562 #define UP_AND_DOWN_ARROWS (32)
 563
 564 /* Trimming off a few pixels from each side prevents
 565    text from glomming up against the scroll bar */
 566 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
 567
 568 struct frame;
 569 struct face;
 570 struct image;
 571
 572 Lisp_Object display_x_get_resource P_ ((struct x_display_info *,
 573                                         Lisp_Object, Lisp_Object,
 574                                         Lisp_Object, Lisp_Object));
 575 struct frame *check_x_frame P_ ((Lisp_Object));
 576 EXFUN (Fx_display_color_p, 1);
 577 EXFUN (Fx_display_grayscale_p, 1);
 578 EXFUN (Fx_display_planes, 1);
 579 extern void x_free_gcs P_ ((struct frame *));
 580
 581 void activate_scroll_bars (FRAME_PTR);
 582 void deactivate_scroll_bars (FRAME_PTR);
 583
 584 /* Defined in macterm.c.  */
 585
 586 extern void x_set_window_size P_ ((struct frame *, int, int, int));
 587 extern void x_make_frame_visible P_ ((struct frame *));
 588 extern void mac_initialize P_ ((void));
 589 extern Pixmap XCreatePixmap P_ ((Display *, WindowPtr, unsigned int,
 590                                  unsigned int, unsigned int));
 591 extern Pixmap XCreatePixmapFromBitmapData P_ ((Display *, WindowPtr, char *,
 592                                                unsigned int, unsigned int,
 593                                                unsigned long, unsigned long,
 594                                                unsigned int));
 595 extern void XFreePixmap P_ ((Display *, Pixmap));
 596 extern void XSetForeground P_ ((Display *, GC, unsigned long));
 597 extern void mac_draw_line_to_pixmap P_ ((Display *, Pixmap, GC, int, int,
 598                                          int, int));
 599
 600 #define FONT_TYPE_FOR_UNIBYTE(font, ch) 0
 601 #define FONT_TYPE_FOR_MULTIBYTE(font, ch) 0
 602
 603 /* arch-tag: 6b4ca125-5bef-476d-8ee8-31ed808b7e79
 604    (do not change this comment) */