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 /* This checks to make sure we have a display.  */
 222 extern void check_mac P_ ((void));
 223
 224 #define x_display_info mac_display_info
 225
 226 /* This is a chain of structures for all the X displays currently in use.  */
 227 extern struct x_display_info *x_display_list;
 228
 229 /* This is a chain of structures for all the displays currently in use.  */
 230 extern struct mac_display_info one_mac_display_info;
 231
 232 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
 233    one for each element of x_display_list and in the same order.
 234    NAME is the name of the frame.
 235    FONT-LIST-CACHE records previous values returned by x-list-fonts.  */
 236 extern Lisp_Object x_display_name_list;
 237
 238 /* A flag to control how to display unibyte 8-bit character.  */
 239 extern int unibyte_display_via_language_environment;
 240
 241 extern struct x_display_info *x_display_info_for_display P_ ((Display *));
 242 extern struct x_display_info *x_display_info_for_name P_ ((Lisp_Object));
 243
 244 extern struct mac_display_info *mac_term_init ();
 245
 246 extern Lisp_Object x_list_fonts P_ ((struct frame *, Lisp_Object, int, int));
 247 extern struct font_info *x_get_font_info P_ ((struct frame *f, int));
 248 extern struct font_info *x_load_font P_ ((struct frame *, char *, int));
 249 extern struct font_info *x_query_font P_ ((struct frame *, char *));
 250 extern void x_find_ccl_program P_ ((struct font_info *));
 251 \f
 252 /* When Emacs uses a tty window, tty_display in frame.c points to an
 253    x_output struct .  */
 254 struct x_output
 255 {
 256   unsigned long background_pixel;
 257   unsigned long foreground_pixel;
 258 };
 259
 260 /* The collection of data describing a window on the Mac.  */
 261 struct mac_output {
 262   /* Placeholder for things accessed through output_data.x.  Must
 263      appear first.  */
 264   struct x_output x_compatible;
 265
 266   /* Menubar "widget" handle.  */
 267   int menubar_widget;
 268
 269   Window mWP;                   /* pointer to QuickDraw window */
 270   FRAME_PTR mFP;                /* points back to the frame struct */
 271
 272 #if 0
 273   int mNumCols;                 /* number of characters per column */
 274   int mNumRows;                 /* number of characters per row */
 275   int mLineHeight;              /* height of one line of text in pixels */
 276   int mCharWidth;               /* width of one character in pixels */
 277   int mHomeX;                   /* X pixel coordinate of lower left
 278                                    corner of character at (0, 0) */
 279   int mHomeY;                   /* Y pixel coordinate of lower left
 280                                    corner of character at (0, 0) */
 281   int mHighlight;               /* current highlight state (0 = off). */
 282   int mTermWinSize;             /* num of lines from top of window
 283                                    affected by ins_del_lines; set by
 284                                    set_terminal_window. */
 285 #endif /* 0 */
 286
 287 #if 0
 288   /* stuffs used by xfaces.c */
 289   struct face **param_faces;
 290   int n_param_faces;
 291   struct face **computed_faces;
 292   int n_computed_faces;
 293   int size_computed_faces;
 294 #endif
 295
 296   /* Here are the Graphics Contexts for the default font.  */
 297   GC normal_gc;                         /* Normal video */
 298   GC reverse_gc;                        /* Reverse video */
 299   GC cursor_gc;                         /* cursor drawing */
 300
 301   /* The window used for this frame.
 302      May be zero while the frame object is being created
 303      and the window has not yet been created.  */
 304   Window window_desc;
 305
 306   /* The window that is the parent of this window.
 307      Usually this is a window that was made by the window manager,
 308      but it can be the root window, and it can be explicitly specified
 309      (see the explicit_parent field, below).  */
 310   Window parent_desc;
 311
 312   /* Default ASCII font of this frame. */
 313   XFontStruct *font;
 314
 315   /* The baseline offset of the default ASCII font.  */
 316   int baseline_offset;
 317
 318   /* If a fontset is specified for this frame instead of font, this
 319      value contains an ID of the fontset, else -1.  */
 320   int fontset;
 321
 322   /* Pixel values used for various purposes.
 323      border_pixel may be -1 meaning use a gray tile.  */
 324   unsigned long cursor_pixel;
 325   unsigned long border_pixel;
 326   unsigned long mouse_pixel;
 327   unsigned long cursor_foreground_pixel;
 328
 329   /* Foreground color for scroll bars.  A value of -1 means use the
 330      default (black for non-toolkit scroll bars).  */
 331   unsigned long scroll_bar_foreground_pixel;
 332
 333   /* Background color for scroll bars.  A value of -1 means use the
 334      default (background color of the frame for non-toolkit scroll
 335      bars).  */
 336   unsigned long scroll_bar_background_pixel;
 337
 338   /* Descriptor for the cursor in use for this window.  */
 339   Cursor text_cursor;
 340   Cursor nontext_cursor;
 341   Cursor modeline_cursor;
 342   Cursor hand_cursor;
 343   Cursor hourglass_cursor;
 344   Cursor horizontal_drag_cursor;
 345 #if 0
 346   /* Window whose cursor is hourglass_cursor.  This window is temporarily
 347      mapped to display a hourglass-cursor.  */
 348   Window hourglass_window;
 349
 350   /* Non-zero means hourglass cursor is currently displayed.  */
 351   unsigned hourglass_p : 1;
 352
 353   /* Flag to set when the window needs to be completely repainted.  */
 354   int needs_exposure;
 355
 356 #endif
 357
 358 #if 0
 359   DWORD dwStyle;
 360 #endif
 361
 362   /* This is the Emacs structure for the display this frame is on.  */
 363   /* struct w32_display_info *display_info; */
 364
 365   /* Nonzero means our parent is another application's window
 366      and was explicitly specified.  */
 367   char explicit_parent;
 368
 369   /* Nonzero means tried already to make this frame visible.  */
 370   char asked_for_visible;
 371
 372   /* Nonzero means menubar is currently active.  */
 373   char menubar_active;
 374
 375   /* Nonzero means a menu command is being processed.  */
 376   char menu_command_in_progress;
 377
 378   /* Nonzero means menubar is about to become active, but should be
 379      brought up to date first.  */
 380   volatile char pending_menu_activation;
 381
 382   /* Relief GCs, colors etc.  */
 383   struct relief
 384   {
 385     XGCValues *gc;
 386     unsigned long pixel;
 387     int allocated_p;
 388   }
 389   black_relief, white_relief;
 390
 391   /* The background for which the above relief GCs were set up.
 392      They are changed only when a different background is involved.  */
 393   unsigned long relief_background;
 394
 395   /* Hints for the size and the position of a window.  */
 396   XSizeHints *size_hints;
 397 };
 398
 399 typedef struct mac_output mac_output;
 400
 401 /* Return the X output data for frame F.  */
 402 #define FRAME_X_OUTPUT(f) ((f)->output_data.mac)
 403
 404 /* Return the Mac window used for displaying data in frame F.  */
 405 #define FRAME_MAC_WINDOW(f) ((f)->output_data.mac->mWP)
 406 #define FRAME_X_WINDOW(f) ((f)->output_data.mac->mWP)
 407
 408 #define FRAME_FOREGROUND_PIXEL(f) ((f)->output_data.x->foreground_pixel)
 409 #define FRAME_BACKGROUND_PIXEL(f) ((f)->output_data.x->background_pixel)
 410
 411 #define FRAME_FONT(f) ((f)->output_data.mac->font)
 412 #define FRAME_FONTSET(f) ((f)->output_data.mac->fontset)
 413
 414 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.mac->baseline_offset)
 415
 416 #define FRAME_SIZE_HINTS(f) ((f)->output_data.mac->size_hints)
 417
 418 /* This gives the w32_display_info structure for the display F is on.  */
 419 #define FRAME_MAC_DISPLAY_INFO(f) (&one_mac_display_info)
 420 #define FRAME_X_DISPLAY_INFO(f) (&one_mac_display_info)
 421
 422 /* This is the `Display *' which frame F is on.  */
 423 #define FRAME_MAC_DISPLAY(f) (0)
 424 #define FRAME_X_DISPLAY(f) (0)
 425
 426 /* This is the 'font_info *' which frame F has.  */
 427 #define FRAME_MAC_FONT_TABLE(f) (FRAME_MAC_DISPLAY_INFO (f)->font_table)
 428
 429 /* Value is the smallest width of any character in any font on frame F.  */
 430
 431 #define FRAME_SMALLEST_CHAR_WIDTH(F) \
 432      FRAME_MAC_DISPLAY_INFO(F)->smallest_char_width
 433
 434 /* Value is the smallest height of any font on frame F.  */
 435
 436 #define FRAME_SMALLEST_FONT_HEIGHT(F) \
 437      FRAME_MAC_DISPLAY_INFO(F)->smallest_font_height
 438
 439 /* Return a pointer to the image cache of frame F.  */
 440
 441 #define FRAME_X_IMAGE_CACHE(F) FRAME_MAC_DISPLAY_INFO ((F))->image_cache
 442
 443 \f
 444 /* Mac-specific scroll bar stuff.  */
 445
 446 /* We represent scroll bars as lisp vectors.  This allows us to place
 447    references to them in windows without worrying about whether we'll
 448    end up with windows referring to dead scroll bars; the garbage
 449    collector will free it when its time comes.
 450
 451    We use struct scroll_bar as a template for accessing fields of the
 452    vector.  */
 453
 454 struct scroll_bar {
 455
 456   /* These fields are shared by all vectors.  */
 457   EMACS_INT size_from_Lisp_Vector_struct;
 458   struct Lisp_Vector *next_from_Lisp_Vector_struct;
 459
 460   /* The window we're a scroll bar for.  */
 461   Lisp_Object window;
 462
 463   /* The next and previous in the chain of scroll bars in this frame.  */
 464   Lisp_Object next, prev;
 465
 466   /* The Mac control handle of this scroll bar.  Since this is a full
 467      32-bit quantity, we store it split into two 32-bit values.  */
 468   Lisp_Object control_handle_low, control_handle_high;
 469
 470   /* The position and size of the scroll bar in pixels, relative to the
 471      frame.  */
 472   Lisp_Object top, left, width, height;
 473
 474   /* The starting and ending positions of the handle, relative to the
 475      handle area (i.e. zero is the top position, not
 476      SCROLL_BAR_TOP_BORDER).  If they're equal, that means the handle
 477      hasn't been drawn yet.
 478
 479      These are not actually the locations where the beginning and end
 480      are drawn; in order to keep handles from becoming invisible when
 481      editing large files, we establish a minimum height by always
 482      drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
 483      where they would be normally; the bottom and top are in a
 484      different co-ordinate system.  */
 485   Lisp_Object start, end;
 486
 487   /* If the scroll bar handle is currently being dragged by the user,
 488      this is the number of pixels from the top of the handle to the
 489      place where the user grabbed it.  If the handle isn't currently
 490      being dragged, this is Qnil.  */
 491   Lisp_Object dragging;
 492 };
 493
 494 /* The number of elements a vector holding a struct scroll_bar needs.  */
 495 #define SCROLL_BAR_VEC_SIZE                                     \
 496   ((sizeof (struct scroll_bar)                                  \
 497     - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *))       \
 498    / sizeof (Lisp_Object))
 499
 500 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 501 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
 502
 503
 504 /* Building a 32-bit C integer from two 16-bit lisp integers.  */
 505 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low))
 506
 507 /* Setting two lisp integers to the low and high words of a 32-bit C int.  */
 508 #define SCROLL_BAR_UNPACK(low, high, int32) \
 509   (XSETINT ((low),   (int32)        & 0xffff), \
 510    XSETINT ((high), ((int32) >> 16) & 0xffff))
 511
 512
 513 /* Extract the Mac control handle of the scroll bar from a struct
 514    scroll_bar.  */
 515 #define SCROLL_BAR_CONTROL_HANDLE(ptr) \
 516   ((ControlHandle) SCROLL_BAR_PACK ((ptr)->control_handle_low, \
 517                                     (ptr)->control_handle_high))
 518
 519 /* Store a Mac control handle in a struct scroll_bar.  */
 520 #define SET_SCROLL_BAR_CONTROL_HANDLE(ptr, id) \
 521   (SCROLL_BAR_UNPACK ((ptr)->control_handle_low, \
 522                       (ptr)->control_handle_high, (int) id))
 523
 524 /* Return the inside width of a vertical scroll bar, given the outside
 525    width.  */
 526 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f,width) \
 527   ((width) \
 528    - VERTICAL_SCROLL_BAR_LEFT_BORDER \
 529    - VERTICAL_SCROLL_BAR_RIGHT_BORDER \
 530    - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2)
 531
 532 /* Return the length of the rectangle within which the top of the
 533    handle must stay.  This isn't equivalent to the inside height,
 534    because the scroll bar handle has a minimum height.
 535
 536    This is the real range of motion for the scroll bar, so when we're
 537    scaling buffer positions to scroll bar positions, we use this, not
 538    VERTICAL_SCROLL_BAR_INSIDE_HEIGHT.  */
 539 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f,height) \
 540   (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) \
 541    - VERTICAL_SCROLL_BAR_MIN_HANDLE - UP_AND_DOWN_ARROWS)
 542
 543 /* Return the inside height of vertical scroll bar, given the outside
 544    height.  See VERTICAL_SCROLL_BAR_TOP_RANGE too.  */
 545 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f,height) \
 546   ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER \
 547    - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
 548
 549
 550 /* Border widths for scroll bars.
 551
 552    Scroll bar windows don't have any borders; their border width is
 553    set to zero, and we redraw borders ourselves.  This makes the code
 554    a bit cleaner, since we don't have to convert between outside width
 555    (used when relating to the rest of the screen) and inside width
 556    (used when sizing and drawing the scroll bar window itself).
 557
 558    The handle moves up and down/back and forth in a rectangle inset
 559    from the edges of the scroll bar.  These are widths by which we
 560    inset the handle boundaries from the scroll bar edges.  */
 561 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (0)
 562 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (0)
 563 #define VERTICAL_SCROLL_BAR_TOP_BORDER (0)
 564 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (0)
 565
 566 /* Minimum lengths for scroll bar handles, in pixels.  */
 567 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (16)
 568
 569 /* Combined length of up and down arrow boxes in scroll bars, in pixels.  */
 570 #define UP_AND_DOWN_ARROWS (32)
 571
 572 /* Trimming off a few pixels from each side prevents
 573    text from glomming up against the scroll bar */
 574 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
 575
 576 struct frame;
 577 struct face;
 578 struct image;
 579
 580 Lisp_Object display_x_get_resource P_ ((struct x_display_info *,
 581                                         Lisp_Object, Lisp_Object,
 582                                         Lisp_Object, Lisp_Object));
 583 struct frame *check_x_frame P_ ((Lisp_Object));
 584 EXFUN (Fx_display_color_p, 1);
 585 EXFUN (Fx_display_grayscale_p, 1);
 586 EXFUN (Fx_display_planes, 1);
 587 extern void x_free_gcs P_ ((struct frame *));
 588
 589 void activate_scroll_bars (FRAME_PTR);
 590 void deactivate_scroll_bars (FRAME_PTR);
 591
 592 /* Defined in macterm.c.  */
 593
 594 extern void x_set_window_size P_ ((struct frame *, int, int, int));
 595 extern void x_make_frame_visible P_ ((struct frame *));
 596 extern void mac_initialize P_ ((void));
 597 extern Pixmap XCreatePixmap P_ ((Display *, WindowPtr, unsigned int,
 598                                  unsigned int, unsigned int));
 599 extern Pixmap XCreatePixmapFromBitmapData P_ ((Display *, WindowPtr, char *,
 600                                                unsigned int, unsigned int,
 601                                                unsigned long, unsigned long,
 602                                                unsigned int));
 603 extern void XFreePixmap P_ ((Display *, Pixmap));
 604 extern void XSetForeground P_ ((Display *, GC, unsigned long));
 605 extern void mac_draw_line_to_pixmap P_ ((Display *, Pixmap, GC, int, int,
 606                                          int, int));
 607 extern void mac_unload_font P_ ((struct mac_display_info *, XFontStruct *));
 608
 609 #define FONT_TYPE_FOR_UNIBYTE(font, ch) 0
 610 #define FONT_TYPE_FOR_MULTIBYTE(font, ch) 0
 611
 612 #if TARGET_API_MAC_CARBON
 613 extern CFStringRef cfstring_create_with_utf8_cstring P_ ((const char *));
 614 #endif
 615
 616 /* arch-tag: 6b4ca125-5bef-476d-8ee8-31ed808b7e79
 617    (do not change this comment) */