src/frame.h

   1 /* Define frame-object for GNU Emacs.
   2    Copyright (C) 1993, 1994, 1999, 2000, 2001, 2002, 2003, 2004,
   3                  2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs is free software: you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation, either version 3 of the License, or
  10 (at your option) any later version.
  11
  12 GNU Emacs is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 /* Don't multiply include: dispextern.h includes macterm.h which
  21    includes frame.h some emacs source includes both dispextern.h and
  22    frame.h */
  23
  24 #ifndef EMACS_FRAME_H
  25 #define EMACS_FRAME_H
  26
  27 #include "dispextern.h"
  28
  29 \f
  30 /* Miscellanea.  */
  31
  32 /* Nonzero means there is at least one garbaged frame. */
  33 extern int frame_garbaged;
  34
  35 /* Nonzero means FRAME_MESSAGE_BUF (selected_frame) is being used by
  36    print.  */
  37
  38 extern int message_buf_print;
  39
  40 /* Nonzero means window system changes focus when moving the
  41    mouse.  */
  42
  43 extern int focus_follows_mouse;
  44
  45 \f
  46 /* The structure representing a frame.  */
  47
  48 enum output_method
  49 {
  50   output_initial,
  51   output_termcap,
  52   output_x_window,
  53   output_msdos_raw,
  54   output_w32,
  55   output_mac,
  56   output_ns
  57 };
  58
  59 enum vertical_scroll_bar_type
  60 {
  61   vertical_scroll_bar_none,
  62   vertical_scroll_bar_left,
  63   vertical_scroll_bar_right
  64 };
  65
  66 enum text_cursor_kinds
  67 {
  68   DEFAULT_CURSOR = -2,
  69   NO_CURSOR = -1,
  70   FILLED_BOX_CURSOR,
  71   HOLLOW_BOX_CURSOR,
  72   BAR_CURSOR,
  73   HBAR_CURSOR
  74 };
  75
  76 enum fullscreen_type
  77 {
  78   /* Values used as a bit mask, BOTH == WIDTH | HEIGHT.  */
  79   FULLSCREEN_NONE       = 0,
  80   FULLSCREEN_WIDTH      = 1,
  81   FULLSCREEN_HEIGHT     = 2,
  82   FULLSCREEN_BOTH       = 3,
  83   FULLSCREEN_WAIT       = 4
  84 };
  85
  86
  87 #define FRAME_FOREGROUND_PIXEL(f) ((f)->foreground_pixel)
  88 #define FRAME_BACKGROUND_PIXEL(f) ((f)->background_pixel)
  89
  90 struct terminal;
  91
  92 struct font_driver_list;
  93
  94 struct frame
  95 {
  96   EMACS_UINT size;
  97   struct Lisp_Vector *next;
  98
  99   /* All Lisp_Object components must come first.
 100      That ensures they are all aligned normally.  */
 101
 102   /* Name of this frame: a Lisp string.  It is used for looking up resources,
 103      as well as for the title in some cases.  */
 104   Lisp_Object name;
 105
 106   /* The name to use for the icon, the last time
 107      it was refreshed.  nil means not explicitly specified.  */
 108   Lisp_Object icon_name;
 109
 110   /* This is the frame title specified explicitly, if any.
 111      Usually it is nil.  */
 112   Lisp_Object title;
 113
 114   /* The frame which should receive keystrokes that occur in this
 115      frame, or nil if they should go to the frame itself.  This is
 116      usually nil, but if the frame is minibufferless, we can use this
 117      to redirect keystrokes to a surrogate minibuffer frame when
 118      needed.
 119
 120      Note that a value of nil is different than having the field point
 121      to the frame itself.  Whenever the Fselect_frame function is used
 122      to shift from one frame to the other, any redirections to the
 123      original frame are shifted to the newly selected frame; if
 124      focus_frame is nil, Fselect_frame will leave it alone.  */
 125   Lisp_Object focus_frame;
 126
 127   /* This frame's root window.  Every frame has one.
 128      If the frame has only a minibuffer window, this is it.
 129      Otherwise, if the frame has a minibuffer window, this is its sibling.  */
 130   Lisp_Object root_window;
 131
 132   /* This frame's selected window.
 133      Each frame has its own window hierarchy
 134      and one of the windows in it is selected within the frame.
 135      The selected window of the selected frame is Emacs's selected window.  */
 136   Lisp_Object selected_window;
 137
 138   /* This frame's minibuffer window.
 139      Most frames have their own minibuffer windows,
 140      but only the selected frame's minibuffer window
 141      can actually appear to exist.  */
 142   Lisp_Object minibuffer_window;
 143
 144   /* Parameter alist of this frame.
 145      These are the parameters specified when creating the frame
 146      or modified with modify-frame-parameters.  */
 147   Lisp_Object param_alist;
 148
 149   /* List of scroll bars on this frame.
 150      Actually, we don't specify exactly what is stored here at all; the
 151      scroll bar implementation code can use it to store anything it likes.
 152      This field is marked by the garbage collector.  It is here
 153      instead of in the `device' structure so that the garbage
 154      collector doesn't need to look inside the window-system-dependent
 155      structure.  */
 156   Lisp_Object scroll_bars;
 157   Lisp_Object condemned_scroll_bars;
 158
 159   /* Vector describing the items to display in the menu bar.
 160      Each item has four elements in this vector.
 161      They are KEY, STRING, SUBMAP, and HPOS.
 162      (HPOS is not used in when the X toolkit is in use.)
 163      There are four additional elements of nil at the end, to terminate.  */
 164   Lisp_Object menu_bar_items;
 165
 166   /* Alist of elements (FACE-NAME . FACE-VECTOR-DATA).  */
 167   Lisp_Object face_alist;
 168
 169   /* A vector that records the entire structure of this frame's menu bar.
 170      For the format of the data, see extensive comments in xmenu.c.
 171      Only the X toolkit version uses this.  */
 172   Lisp_Object menu_bar_vector;
 173
 174   /* Predicate for selecting buffers for other-buffer.  */
 175   Lisp_Object buffer_predicate;
 176
 177   /* List of buffers viewed in this frame, for other-buffer.  */
 178   Lisp_Object buffer_list;
 179
 180   /* List of buffers that were viewed, then buried in this frame.  The
 181      most recently buried buffer is first.  For last-buffer.  */
 182   Lisp_Object buried_buffer_list;
 183
 184   /* A dummy window used to display menu bars under X when no X
 185      toolkit support is available.  */
 186   Lisp_Object menu_bar_window;
 187
 188   /* A window used to display the tool-bar of a frame.  */
 189   Lisp_Object tool_bar_window;
 190
 191   /* Desired and current tool-bar items.  */
 192   Lisp_Object tool_bar_items;
 193
 194   /* Desired and current contents displayed in tool_bar_window.  */
 195   Lisp_Object desired_tool_bar_string, current_tool_bar_string;
 196
 197   /* Beyond here, there should be no more Lisp_Object components.  */
 198
 199   /* Cache of realized faces.  */
 200   struct face_cache *face_cache;
 201
 202   /* Number of elements in `menu_bar_vector' that have meaningful data.  */
 203   EMACS_INT menu_bar_items_used;
 204
 205   /* A buffer to hold the frame's name.  We can't use the Lisp
 206      string's pointer (`name', above) because it might get relocated.  */
 207   char *namebuf;
 208
 209   /* Glyph pool and matrix. */
 210   struct glyph_pool *current_pool;
 211   struct glyph_pool *desired_pool;
 212   struct glyph_matrix *desired_matrix;
 213   struct glyph_matrix *current_matrix;
 214
 215   /* 1 means that glyphs on this frame have been initialized so it can
 216      be used for output.  */
 217   unsigned glyphs_initialized_p : 1;
 218
 219   /* Set to non-zero in change_frame_size when size of frame changed
 220      Clear the frame in clear_garbaged_frames if set.  */
 221   unsigned resized_p : 1;
 222
 223   /* Set to non-zero in when we want for force a flush_display in
 224      update_frame, usually after resizing the frame.  */
 225   unsigned force_flush_display_p : 1;
 226
 227   /* Set to non-zero if the default face for the frame has been
 228      realized.  Reset to zero whenever the default face changes.
 229      Used to see the difference between a font change and face change.  */
 230   unsigned default_face_done_p : 1;
 231
 232   /* Set to non-zero if this frame has already been hscrolled during
 233      current redisplay.  */
 234   unsigned already_hscrolled_p : 1;
 235
 236   /* Set to non-zero when current redisplay has updated frame.  */
 237   unsigned updated_p : 1;
 238
 239   /* Set to non-zero to minimize tool-bar height even when
 240      auto-resize-tool-bar is set to grow-only.  */
 241   unsigned minimize_tool_bar_window_p : 1;
 242
 243 #if defined (USE_GTK) || defined (HAVE_NS)
 244   /* Nonzero means using a tool bar that comes from the toolkit.  */
 245   int external_tool_bar;
 246 #endif
 247
 248   /* Margin at the top of the frame.  Used to display the tool-bar.  */
 249   int tool_bar_lines;
 250
 251   int n_tool_bar_rows;
 252   int n_tool_bar_items;
 253
 254   /* A buffer for decode_mode_line. */
 255   char *decode_mode_spec_buffer;
 256
 257   /* See do_line_insertion_deletion_costs for info on these arrays. */
 258   /* Cost of inserting 1 line on this frame */
 259   int *insert_line_cost;
 260   /* Cost of deleting 1 line on this frame */
 261   int *delete_line_cost;
 262   /* Cost of inserting n lines on this frame */
 263   int *insert_n_lines_cost;
 264   /* Cost of deleting n lines on this frame */
 265   int *delete_n_lines_cost;
 266
 267   /* Size of this frame, excluding fringes, scroll bars etc.,
 268      in units of canonical characters.  */
 269   EMACS_INT text_lines, text_cols;
 270
 271   /* Total size of this frame (i.e. its native window), in units of
 272      canonical characters.  */
 273   EMACS_INT total_lines, total_cols;
 274
 275   /* New text height and width for pending size change.
 276      0 if no change pending.  */
 277   int new_text_lines, new_text_cols;
 278
 279   /* Pixel position of the frame window (x and y offsets in root window).  */
 280   int left_pos, top_pos;
 281
 282   /* Size of the frame window in pixels.  */
 283   int pixel_height, pixel_width;
 284
 285   /* Dots per inch of the screen the frame is on.  */
 286   double resx, resy;
 287
 288   /* These many pixels are the difference between the outer window (i.e. the
 289      left and top of the window manager decoration) and FRAME_X_WINDOW. */
 290   int x_pixels_diff, y_pixels_diff;
 291
 292   /* This is the gravity value for the specified window position.  */
 293   int win_gravity;
 294
 295   /* The geometry flags for this window.  */
 296   int size_hint_flags;
 297
 298   /* Border width of the frame window as known by the (X) window system.  */
 299   int border_width;
 300
 301   /* Width of the internal border.  This is a line of background color
 302      just inside the window's border.  When the frame is selected,
 303      a highlighting is displayed inside the internal border.  */
 304   int internal_border_width;
 305
 306   /* Canonical X unit.  Width of default font, in pixels.  */
 307   int column_width;
 308
 309   /* Widht of space glyph of default font, in pixels.  */
 310   int space_width;
 311
 312   /* Canonical Y unit.  Height of a line, in pixels.  */
 313   int line_height;
 314
 315   /* The output method says how the contents of this frame are
 316      displayed.  It could be using termcap, or using an X window.
 317      This must be the same as the terminal->type. */
 318   enum output_method output_method;
 319
 320   /* The terminal device that this frame uses.  If this is NULL, then
 321      the frame has been deleted. */
 322   struct terminal *terminal;
 323
 324   /* Device-dependent, frame-local auxiliary data used for displaying
 325      the contents.  When the frame is deleted, this data is deleted as
 326      well. */
 327   union output_data
 328   {
 329     struct tty_output *tty;     /* termchar.h */
 330     struct x_output *x;         /* xterm.h */
 331     struct w32_output *w32;     /* w32term.h */
 332     struct ns_output *ns;       /* nsterm.h */
 333     EMACS_INT nothing;
 334   }
 335   output_data;
 336
 337   /* List of font-drivers available on the frame. */
 338   struct font_driver_list *font_driver_list;
 339   /* List of data specific to font-driver and frame, but common to
 340      faces.  */
 341   struct font_data_list *font_data_list;
 342
 343   /* Total width of fringes reserved for drawing truncation bitmaps,
 344      continuation bitmaps and alike.  The width is in canonical char
 345      units of the frame.  This must currently be the case because window
 346      sizes aren't pixel values.  If it weren't the case, we wouldn't be
 347      able to split windows horizontally nicely.  */
 348   int fringe_cols;
 349
 350   /* The extra width (in pixels) currently allotted for fringes.  */
 351   int left_fringe_width, right_fringe_width;
 352
 353   /* See FULLSCREEN_ enum below */
 354   enum fullscreen_type want_fullscreen;
 355
 356   /* Number of lines of menu bar.  */
 357   int menu_bar_lines;
 358
 359 #if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI) \
 360     || defined (HAVE_NS) || defined (USE_GTK)
 361   /* Nonzero means using a menu bar that comes from the X toolkit.  */
 362   unsigned int external_menu_bar : 1;
 363 #endif
 364
 365   /* Nonzero if last attempt at redisplay on this frame was preempted.  */
 366   unsigned char display_preempted : 1;
 367
 368   /* visible is nonzero if the frame is currently displayed; we check
 369      it to see if we should bother updating the frame's contents.
 370      DON'T SET IT DIRECTLY; instead, use FRAME_SET_VISIBLE.
 371
 372      Note that, since invisible frames aren't updated, whenever a
 373      frame becomes visible again, it must be marked as garbaged.  The
 374      FRAME_SAMPLE_VISIBILITY macro takes care of this.
 375
 376      On ttys and on Windows NT/9X, to avoid wasting effort updating
 377      visible frames that are actually completely obscured by other
 378      windows on the display, we bend the meaning of visible slightly:
 379      if greater than 1, then the frame is obscured - we still consider
 380      it to be "visible" as seen from lisp, but we don't bother
 381      updating it.  We must take care to garbage the frame when it
 382      ceaces to be obscured though.
 383
 384      iconified is nonzero if the frame is currently iconified.
 385
 386      Asynchronous input handlers should NOT change these directly;
 387      instead, they should change async_visible or async_iconified, and
 388      let the FRAME_SAMPLE_VISIBILITY macro set visible and iconified
 389      at the next redisplay.
 390
 391      These should probably be considered read-only by everyone except
 392      FRAME_SAMPLE_VISIBILITY.
 393
 394      These two are mutually exclusive.  They might both be zero, if the
 395      frame has been made invisible without an icon.  */
 396   unsigned char visible : 2;
 397   unsigned char iconified : 1;
 398
 399   /* Let's not use bitfields for volatile variables.  */
 400
 401   /* Asynchronous input handlers change these, and
 402      FRAME_SAMPLE_VISIBILITY copies them into visible and iconified.
 403      See FRAME_SAMPLE_VISIBILITY, below.  */
 404   volatile char async_visible, async_iconified;
 405
 406   /* Nonzero if this frame should be redrawn.  */
 407   volatile char garbaged;
 408
 409   /* True if frame actually has a minibuffer window on it.
 410      0 if using a minibuffer window that isn't on this frame.  */
 411   unsigned char has_minibuffer : 1;
 412
 413   /* 0 means, if this frame has just one window,
 414      show no modeline for that window.  */
 415   unsigned char wants_modeline : 1;
 416
 417   /* Non-zero if the hardware device this frame is displaying on can
 418      support scroll bars.  */
 419   char can_have_scroll_bars;
 420
 421   /* Non-0 means raise this frame to the top of the heap when selected.  */
 422   unsigned char auto_raise : 1;
 423
 424   /* Non-0 means lower this frame to the bottom of the stack when left.  */
 425   unsigned char auto_lower : 1;
 426
 427   /* True if frame's root window can't be split.  */
 428   unsigned char no_split : 1;
 429
 430   /* If this is set, then Emacs won't change the frame name to indicate
 431      the current buffer, etcetera.  If the user explicitly sets the frame
 432      name, this gets set.  If the user sets the name to Qnil, this is
 433      cleared.  */
 434   unsigned char explicit_name : 1;
 435
 436   /* Nonzero if size of some window on this frame has changed.  */
 437   unsigned char window_sizes_changed : 1;
 438
 439   /* Nonzero if the mouse has moved on this display device
 440      since the last time we checked.  */
 441   unsigned char mouse_moved :1;
 442
 443   /* If can_have_scroll_bars is non-zero, this is non-zero if we should
 444      actually display them on this frame.  */
 445   enum vertical_scroll_bar_type vertical_scroll_bar_type;
 446
 447   /* What kind of text cursor should we draw in the future?
 448      This should always be filled_box_cursor or bar_cursor.  */
 449   enum text_cursor_kinds desired_cursor;
 450
 451   /* Width of bar cursor (if we are using that).  */
 452   int cursor_width;
 453
 454   /* What kind of text cursor should we draw when the cursor blinks off?
 455      This can be filled_box_cursor or bar_cursor or no_cursor.  */
 456   enum text_cursor_kinds blink_off_cursor;
 457
 458   /* Width of bar cursor (if we are using that) for blink-off state.  */
 459   int blink_off_cursor_width;
 460
 461   /* Storage for messages to this frame. */
 462   char *message_buf;
 463
 464   /* Nonnegative if current redisplay should not do scroll computation
 465      for lines beyond a certain vpos.  This is the vpos.  */
 466   int scroll_bottom_vpos;
 467
 468   /* Configured width of the scroll bar, in pixels and in characters.
 469      config_scroll_bar_cols tracks config_scroll_bar_width if the
 470      latter is positive; a zero value in config_scroll_bar_width means
 471      to compute the actual width on the fly, using config_scroll_bar_cols
 472      and the current font width.  */
 473   int config_scroll_bar_width;
 474   int config_scroll_bar_cols;
 475
 476   /* The size of the extra width currently allotted for vertical
 477      scroll bars in this frame, in pixels.  */
 478   int scroll_bar_actual_width;
 479
 480   /* The baud rate that was used to calculate costs for this frame.  */
 481   int cost_calculation_baud_rate;
 482
 483   /* frame opacity
 484      alpha[0]: alpha transparency of the active frame
 485      alpha[1]: alpha transparency of inactive frames
 486      Negative values mean not to change alpha.  */
 487   double alpha[2];
 488
 489   /* Exponent for gamma correction of colors.  1/(VIEWING_GAMMA *
 490      SCREEN_GAMMA) where viewing_gamma is 0.4545 and SCREEN_GAMMA is a
 491      frame parameter.  0 means don't do gamma correction.  */
 492   double gamma;
 493
 494   /* Additional space to put between text lines on this frame.  */
 495   int extra_line_spacing;
 496
 497   /* All display backends seem to need these two pixel values. */
 498   unsigned long background_pixel;
 499   unsigned long foreground_pixel;
 500 };
 501
 502 #define FRAME_KBOARD(f) ((f)->terminal->kboard)
 503
 504 /* Return a pointer to the image cache of frame F.  */
 505 #define FRAME_IMAGE_CACHE(F) ((F)->terminal->image_cache)
 506
 507 typedef struct frame *FRAME_PTR;
 508
 509 #define XFRAME(p) (eassert (FRAMEP(p)),(struct frame *) XPNTR (p))
 510 #define XSETFRAME(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_FRAME))
 511
 512 /* Given a window, return its frame as a Lisp_Object.  */
 513 #define WINDOW_FRAME(w) (w)->frame
 514
 515 /* Test a frame for particular kinds of display methods.  */
 516 #define FRAME_INITIAL_P(f) ((f)->output_method == output_initial)
 517 #define FRAME_TERMCAP_P(f) ((f)->output_method == output_termcap)
 518 #define FRAME_X_P(f) ((f)->output_method == output_x_window)
 519 #define FRAME_W32_P(f) ((f)->output_method == output_w32)
 520 #define FRAME_MSDOS_P(f) ((f)->output_method == output_msdos_raw)
 521 #define FRAME_MAC_P(f) ((f)->output_method == output_mac)
 522 #define FRAME_NS_P(f) ((f)->output_method == output_ns)
 523
 524 /* FRAME_WINDOW_P tests whether the frame is a window, and is
 525    defined to be the predicate for the window system being used.  */
 526
 527 #ifdef HAVE_X_WINDOWS
 528 #define FRAME_WINDOW_P(f) FRAME_X_P (f)
 529 #endif
 530 #ifdef HAVE_NTGUI
 531 #define FRAME_WINDOW_P(f) FRAME_W32_P (f)
 532 #endif
 533 #ifdef HAVE_NS
 534 #define FRAME_WINDOW_P(f) FRAME_NS_P(f)
 535 #endif
 536 #ifndef FRAME_WINDOW_P
 537 #define FRAME_WINDOW_P(f) (0)
 538 #endif
 539
 540 /* Nonzero if frame F is still alive (not deleted).  */
 541 #define FRAME_LIVE_P(f) ((f)->terminal != 0)
 542
 543 /* Nonzero if frame F is a minibuffer-only frame.  */
 544 #define FRAME_MINIBUF_ONLY_P(f) \
 545   EQ (FRAME_ROOT_WINDOW (f), FRAME_MINIBUF_WINDOW (f))
 546
 547 /* Nonzero if frame F contains a minibuffer window.
 548    (If this is 0, F must use some other minibuffer window.)  */
 549 #define FRAME_HAS_MINIBUF_P(f) ((f)->has_minibuffer)
 550
 551 /* Pixel height of frame F, including non-toolkit menu bar and
 552    non-toolkit tool bar lines.  */
 553 #define FRAME_PIXEL_HEIGHT(f) ((f)->pixel_height)
 554
 555 /* Pixel width of frame F.  */
 556 #define FRAME_PIXEL_WIDTH(f) ((f)->pixel_width)
 557
 558 /* Height of frame F, measured in canonical lines, including
 559    non-toolkit menu bar and non-toolkit tool bar lines.  */
 560 #define FRAME_LINES(f) (f)->text_lines
 561
 562 /* Width of frame F, measured in canonical character columns,
 563    not including scroll bars if any.  */
 564 #define FRAME_COLS(f) (f)->text_cols
 565
 566 /* Number of lines of frame F used for menu bar.
 567    This is relevant on terminal frames and on
 568    X Windows when not using the X toolkit.
 569    These lines are counted in FRAME_LINES.  */
 570 #define FRAME_MENU_BAR_LINES(f) (f)->menu_bar_lines
 571
 572 /* Nonzero if this frame should display a tool bar
 573    in a way that does not use any text lines.  */
 574 #if defined (USE_GTK) || defined (HAVE_NS)
 575 #define FRAME_EXTERNAL_TOOL_BAR(f) (f)->external_tool_bar
 576 #else
 577 #define FRAME_EXTERNAL_TOOL_BAR(f) 0
 578 #endif
 579
 580 /* Number of lines of frame F used for the tool-bar.  */
 581
 582 #define FRAME_TOOL_BAR_LINES(f) (f)->tool_bar_lines
 583
 584
 585 /* Lines above the top-most window in frame F.  */
 586
 587 #define FRAME_TOP_MARGIN(F) \
 588      (FRAME_MENU_BAR_LINES (F) + FRAME_TOOL_BAR_LINES (F))
 589
 590 /* Nonzero if this frame should display a menu bar
 591    in a way that does not use any text lines.  */
 592 #if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI) \
 593      || defined (HAVE_NS) || defined (USE_GTK)
 594 #define FRAME_EXTERNAL_MENU_BAR(f) (f)->external_menu_bar
 595 #else
 596 #define FRAME_EXTERNAL_MENU_BAR(f) 0
 597 #endif
 598 #define FRAME_VISIBLE_P(f) ((f)->visible != 0)
 599
 600 /* Nonzero if frame F is currently visible but hidden.  */
 601 #define FRAME_OBSCURED_P(f) ((f)->visible > 1)
 602
 603 /* Nonzero if frame F is currently iconified.  */
 604 #define FRAME_ICONIFIED_P(f) (f)->iconified
 605
 606 #define FRAME_SET_VISIBLE(f,p) \
 607   ((f)->async_visible = (p), FRAME_SAMPLE_VISIBILITY (f))
 608 #define SET_FRAME_GARBAGED(f) (frame_garbaged = 1, f->garbaged = 1)
 609 #define FRAME_GARBAGED_P(f) (f)->garbaged
 610
 611 /* Nonzero means do not allow splitting this frame's window.  */
 612 #define FRAME_NO_SPLIT_P(f) (f)->no_split
 613
 614 /* Not really implemented.  */
 615 #define FRAME_WANTS_MODELINE_P(f) (f)->wants_modeline
 616
 617 /* Nonzero if a size change has been requested for frame F
 618    but not yet really put into effect.  This can be true temporarily
 619    when an X event comes in at a bad time.  */
 620 #define FRAME_WINDOW_SIZES_CHANGED(f) (f)->window_sizes_changed
 621
 622 /* The minibuffer window of frame F, if it has one; otherwise nil.  */
 623 #define FRAME_MINIBUF_WINDOW(f) (f)->minibuffer_window
 624
 625 /* The root window of the window tree of frame F.  */
 626 #define FRAME_ROOT_WINDOW(f) (f)->root_window
 627
 628 /* The currently selected window of the window tree of frame F.  */
 629 #define FRAME_SELECTED_WINDOW(f) (f)->selected_window
 630
 631 #define FRAME_INSERT_COST(f) (f)->insert_line_cost
 632 #define FRAME_DELETE_COST(f) (f)->delete_line_cost
 633 #define FRAME_INSERTN_COST(f) (f)->insert_n_lines_cost
 634 #define FRAME_DELETEN_COST(f) (f)->delete_n_lines_cost
 635 #define FRAME_MESSAGE_BUF(f) (f)->message_buf
 636 #define FRAME_SCROLL_BOTTOM_VPOS(f) (f)->scroll_bottom_vpos
 637 #define FRAME_FOCUS_FRAME(f) (f)->focus_frame
 638
 639 /* Nonzero if frame F supports scroll bars.
 640    If this is zero, then it is impossible to enable scroll bars
 641    on frame F.  */
 642 #define FRAME_CAN_HAVE_SCROLL_BARS(f) ((f)->can_have_scroll_bars)
 643
 644 /* This frame slot says whether scroll bars are currently enabled for frame F,
 645    and which side they are on.  */
 646 #define FRAME_VERTICAL_SCROLL_BAR_TYPE(f) ((f)->vertical_scroll_bar_type)
 647 #define FRAME_HAS_VERTICAL_SCROLL_BARS(f) \
 648      ((f)->vertical_scroll_bar_type != vertical_scroll_bar_none)
 649 #define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT(f) \
 650      ((f)->vertical_scroll_bar_type == vertical_scroll_bar_left)
 651 #define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT(f) \
 652      ((f)->vertical_scroll_bar_type == vertical_scroll_bar_right)
 653
 654 /* Width that a scroll bar in frame F should have, if there is one.
 655    Measured in pixels.
 656    If scroll bars are turned off, this is still nonzero.  */
 657 #define FRAME_CONFIG_SCROLL_BAR_WIDTH(f) ((f)->config_scroll_bar_width)
 658
 659 /* Width that a scroll bar in frame F should have, if there is one.
 660    Measured in columns (characters).
 661    If scroll bars are turned off, this is still nonzero.  */
 662 #define FRAME_CONFIG_SCROLL_BAR_COLS(f) ((f)->config_scroll_bar_cols)
 663
 664 /* Width of a scroll bar in frame F, measured in columns (characters),
 665    but only if scroll bars are on the left.  If scroll bars are on
 666    the right in this frame, or there are no scroll bars, value is 0.  */
 667
 668 #define FRAME_LEFT_SCROLL_BAR_COLS(f)                   \
 669      (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)        \
 670       ? FRAME_CONFIG_SCROLL_BAR_COLS (f)                \
 671       : 0)
 672
 673 /* Width of a left scroll bar in frame F, measured in pixels */
 674
 675 #define FRAME_LEFT_SCROLL_BAR_AREA_WIDTH(f)                                     \
 676   (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)                           \
 677    ? (FRAME_CONFIG_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f))        \
 678    : 0)
 679
 680 /* Width of a scroll bar in frame F, measured in columns (characters),
 681    but only if scroll bars are on the right.  If scroll bars are on
 682    the left in this frame, or there are no scroll bars, value is 0.  */
 683
 684 #define FRAME_RIGHT_SCROLL_BAR_COLS(f)                  \
 685      (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)       \
 686       ? FRAME_CONFIG_SCROLL_BAR_COLS (f)                \
 687       : 0)
 688
 689 /* Width of a right scroll bar area in frame F, measured in pixels */
 690
 691 #define FRAME_RIGHT_SCROLL_BAR_AREA_WIDTH(f)                                    \
 692   (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)                          \
 693    ? (FRAME_CONFIG_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f))        \
 694    : 0)
 695
 696 /* Actual width of a scroll bar in frame F, measured in columns.  */
 697
 698 #define FRAME_SCROLL_BAR_COLS(f)                        \
 699      (FRAME_HAS_VERTICAL_SCROLL_BARS (f)                \
 700       ? FRAME_CONFIG_SCROLL_BAR_COLS (f)                \
 701       : 0)
 702
 703 /* Actual width of a scroll bar area in frame F, measured in pixels.  */
 704
 705 #define FRAME_SCROLL_BAR_AREA_WIDTH(f)                                  \
 706   (FRAME_HAS_VERTICAL_SCROLL_BARS (f)                                   \
 707    ? (FRAME_CONFIG_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f))        \
 708    : 0)
 709
 710 /* Total width of frame F, in columns (characters),
 711    including the width used by scroll bars if any.  */
 712
 713 #define FRAME_TOTAL_COLS(f) ((f)->total_cols)
 714
 715 /* Set the width of frame F to VAL.
 716    VAL is the width of a full-frame window,
 717    not including scroll bars and fringes.  */
 718
 719 #define SET_FRAME_COLS(f, val)                                          \
 720      (FRAME_COLS (f) = (val),                                           \
 721       (f)->total_cols = FRAME_TOTAL_COLS_ARG (f, FRAME_COLS (f)))
 722
 723 /* Given a value WIDTH for frame F's nominal width,
 724    return the value that FRAME_TOTAL_COLS should have.  */
 725
 726 #define FRAME_TOTAL_COLS_ARG(f, width)          \
 727      ((width)                                   \
 728       + FRAME_SCROLL_BAR_COLS (f)               \
 729       + FRAME_FRINGE_COLS (f))
 730
 731 /* Maximum + 1 legitimate value for FRAME_CURSOR_X.  */
 732
 733 #define FRAME_CURSOR_X_LIMIT(f) \
 734      (FRAME_COLS (f) + FRAME_LEFT_SCROLL_BAR_COLS (f))
 735
 736 /* Nonzero if frame F has scroll bars.  */
 737
 738 #define FRAME_SCROLL_BARS(f) ((f)->scroll_bars)
 739
 740 #define FRAME_CONDEMNED_SCROLL_BARS(f) ((f)->condemned_scroll_bars)
 741 #define FRAME_MENU_BAR_ITEMS(f) ((f)->menu_bar_items)
 742 #define FRAME_COST_BAUD_RATE(f) ((f)->cost_calculation_baud_rate)
 743
 744 #define FRAME_DESIRED_CURSOR(f) ((f)->desired_cursor)
 745 #define FRAME_BLINK_OFF_CURSOR(f) ((f)->blink_off_cursor)
 746 #define FRAME_CURSOR_WIDTH(f) ((f)->cursor_width)
 747 #define FRAME_BLINK_OFF_CURSOR_WIDTH(f) ((f)->blink_off_cursor_width)
 748
 749 /* Return a pointer to the face cache of frame F.  */
 750
 751 #define FRAME_FACE_CACHE(F)     (F)->face_cache
 752
 753 /* Return the size of message_buf of the frame F.  We multiply the
 754    width of the frame by 4 because multi-byte form may require at most
 755    4-byte for a character.  */
 756
 757 #define FRAME_MESSAGE_BUF_SIZE(f) (((int) FRAME_COLS (f)) * 4)
 758
 759 /* Emacs's redisplay code could become confused if a frame's
 760    visibility changes at arbitrary times.  For example, if a frame is
 761    visible while the desired glyphs are being built, but becomes
 762    invisible before they are updated, then some rows of the
 763    desired_glyphs will be left marked as enabled after redisplay is
 764    complete, which should never happen.  The next time the frame
 765    becomes visible, redisplay will probably barf.
 766
 767    Currently, there are no similar situations involving iconified, but
 768    the principle is the same.
 769
 770    So instead of having asynchronous input handlers directly set and
 771    clear the frame's visibility and iconification flags, they just set
 772    the async_visible and async_iconified flags; the redisplay code
 773    calls the FRAME_SAMPLE_VISIBILITY macro before doing any redisplay,
 774    which sets visible and iconified from their asynchronous
 775    counterparts.
 776
 777    Synchronous code must use the FRAME_SET_VISIBLE macro.
 778
 779    Also, if a frame used to be invisible, but has just become visible,
 780    it must be marked as garbaged, since redisplay hasn't been keeping
 781    up its contents.
 782
 783    Note that a tty frame is visible if and only if it is the topmost
 784    frame. */
 785
 786 #define FRAME_SAMPLE_VISIBILITY(f) \
 787   (((f)->async_visible && (f)->visible != (f)->async_visible) ? \
 788    SET_FRAME_GARBAGED (f) : 0, \
 789    (f)->visible = (f)->async_visible, \
 790    (f)->iconified = (f)->async_iconified)
 791
 792 #define CHECK_FRAME(x) \
 793   CHECK_TYPE (FRAMEP (x), Qframep, x)
 794
 795 #define CHECK_LIVE_FRAME(x) \
 796   CHECK_TYPE (FRAMEP (x) && FRAME_LIVE_P (XFRAME (x)), Qframe_live_p, x)
 797
 798 /* FOR_EACH_FRAME (LIST_VAR, FRAME_VAR) followed by a statement is a
 799    `for' loop which iterates over the elements of Vframe_list.  The
 800    loop will set FRAME_VAR, a Lisp_Object, to each frame in
 801    Vframe_list in succession and execute the statement.  LIST_VAR
 802    should be a Lisp_Object too; it is used to iterate through the
 803    Vframe_list.
 804
 805    This macro is a holdover from a time when multiple frames weren't always
 806    supported.  An alternate definition of the macro would expand to
 807    something which executes the statement once.  */
 808
 809 #define FOR_EACH_FRAME(list_var, frame_var)                     \
 810   for ((list_var) = Vframe_list;                                \
 811        (CONSP (list_var)                                        \
 812         && (frame_var = XCAR (list_var), 1));           \
 813        list_var = XCDR (list_var))
 814
 815
 816 extern Lisp_Object Qframep, Qframe_live_p;
 817 extern Lisp_Object Qtty, Qtty_type;
 818 extern Lisp_Object Qterminal, Qterminal_live_p;
 819 extern Lisp_Object Qnoelisp;
 820
 821 extern struct frame *last_nonminibuf_frame;
 822
 823 extern struct frame *make_initial_frame P_ ((void));
 824 extern struct frame *make_terminal_frame P_ ((struct terminal *));
 825 extern struct frame *make_frame P_ ((int));
 826 #ifdef HAVE_WINDOW_SYSTEM
 827 extern struct frame *make_minibuffer_frame P_ ((void));
 828 extern struct frame *make_frame_without_minibuffer P_ ((Lisp_Object,
 829                                                         struct kboard *,
 830                                                         Lisp_Object));
 831 #endif /* HAVE_WINDOW_SYSTEM */
 832 extern int other_visible_frames P_ ((struct frame *));
 833
 834 extern Lisp_Object Vframe_list;
 835 extern Lisp_Object Vdefault_frame_alist;
 836
 837 extern Lisp_Object Vterminal_frame;
 838
 839 extern Lisp_Object Vmouse_highlight;
 840 \f
 841 /* The currently selected frame.  */
 842
 843 extern Lisp_Object selected_frame;
 844
 845 /* Value is a pointer to the selected frame.  If the selected frame
 846    isn't live, abort.  */
 847
 848 #define SELECTED_FRAME()                                \
 849      ((FRAMEP (selected_frame)                          \
 850        && FRAME_LIVE_P (XFRAME (selected_frame)))       \
 851       ? XFRAME (selected_frame)                         \
 852       : (abort (), (struct frame *) 0))
 853
 854 \f
 855 /***********************************************************************
 856                         Display-related Macros
 857  ***********************************************************************/
 858
 859 /* Canonical y-unit on frame F.
 860    This value currently equals the line height of the frame (which is
 861    the height of the default font of F).  */
 862
 863 #define FRAME_LINE_HEIGHT(F) ((F)->line_height)
 864
 865 /* Canonical x-unit on frame F.
 866    This value currently equals the average width of the default font of F.  */
 867
 868 #define FRAME_COLUMN_WIDTH(F) ((F)->column_width)
 869
 870 /* Space glyph width of the default font of frame F.  */
 871
 872 #define FRAME_SPACE_WIDTH(F) ((F)->space_width)
 873
 874
 875 /* Pixel width of areas used to display truncation marks, continuation
 876    marks, overlay arrows.  This is 0 for terminal frames.  */
 877
 878 #ifdef HAVE_WINDOW_SYSTEM
 879
 880 /* Total width of fringes reserved for drawing truncation bitmaps,
 881    continuation bitmaps and alike.  The width is in canonical char
 882    units of the frame.  This must currently be the case because window
 883    sizes aren't pixel values.  If it weren't the case, we wouldn't be
 884    able to split windows horizontally nicely.  */
 885
 886 #define FRAME_FRINGE_COLS(F) ((F)->fringe_cols)
 887
 888 /* Pixel-width of the left and right fringe.  */
 889
 890 #define FRAME_LEFT_FRINGE_WIDTH(F) ((F)->left_fringe_width)
 891 #define FRAME_RIGHT_FRINGE_WIDTH(F) ((F)->right_fringe_width)
 892
 893 /* Total width of fringes in pixels.  */
 894
 895 #define FRAME_TOTAL_FRINGE_WIDTH(F) \
 896   (FRAME_LEFT_FRINGE_WIDTH (F) + FRAME_RIGHT_FRINGE_WIDTH (F))
 897
 898
 899 /* Pixel-width of internal border lines */
 900
 901 #define FRAME_INTERNAL_BORDER_WIDTH(F) ((F)->internal_border_width)
 902
 903 #else /* not HAVE_WINDOW_SYSTEM */
 904
 905 #define FRAME_FRINGE_COLS(F)    0
 906 #define FRAME_TOTAL_FRINGE_WIDTH(F)     0
 907 #define FRAME_LEFT_FRINGE_WIDTH(F)  0
 908 #define FRAME_RIGHT_FRINGE_WIDTH(F) 0
 909 #define FRAME_INTERNAL_BORDER_WIDTH(F) 0
 910
 911 #endif /* not HAVE_WINDOW_SYSTEM */
 912
 913
 914
 915 \f
 916 /***********************************************************************
 917             Conversion between canonical units and pixels
 918  ***********************************************************************/
 919
 920 /* Canonical x-values are fractions of FRAME_COLUMN_WIDTH, canonical
 921    y-unit are fractions of FRAME_LINE_HEIGHT of a frame.  Both are
 922    represented as Lisp numbers, i.e. integers or floats.  */
 923
 924 /* Convert canonical value X to pixels.  F is the frame whose
 925    canonical char width is to be used.  X must be a Lisp integer or
 926    float.  Value is a C integer.  */
 927
 928 #define FRAME_PIXEL_X_FROM_CANON_X(F, X)                \
 929      (INTEGERP (X)                                      \
 930       ? XINT (X) * FRAME_COLUMN_WIDTH (F)               \
 931       : (int) (XFLOAT_DATA (X) * FRAME_COLUMN_WIDTH (F)))
 932
 933 /* Convert canonical value Y to pixels.  F is the frame whose
 934    canonical character height is to be used.  X must be a Lisp integer
 935    or float.  Value is a C integer.  */
 936
 937 #define FRAME_PIXEL_Y_FROM_CANON_Y(F, Y)                \
 938      (INTEGERP (Y)                                      \
 939       ? XINT (Y) * FRAME_LINE_HEIGHT (F)                \
 940       : (int) (XFLOAT_DATA (Y) * FRAME_LINE_HEIGHT (F)))
 941
 942 /* Convert pixel-value X to canonical units.  F is the frame whose
 943    canonical character width is to be used.  X is a C integer.  Result
 944    is a Lisp float if X is not a multiple of the canon width,
 945    otherwise it's a Lisp integer.  */
 946
 947 #define FRAME_CANON_X_FROM_PIXEL_X(F, X)                        \
 948      ((X) % FRAME_COLUMN_WIDTH (F) != 0                         \
 949       ? make_float ((double) (X) / FRAME_COLUMN_WIDTH (F))      \
 950       : make_number ((X) / FRAME_COLUMN_WIDTH (F)))
 951
 952 /* Convert pixel-value Y to canonical units.  F is the frame whose
 953    canonical character height is to be used.  Y is a C integer.
 954    Result is a Lisp float if Y is not a multiple of the canon width,
 955    otherwise it's a Lisp integer.  */
 956
 957 #define FRAME_CANON_Y_FROM_PIXEL_Y(F, Y)                        \
 958      ((Y) % FRAME_LINE_HEIGHT (F)                               \
 959       ? make_float ((double) (Y) / FRAME_LINE_HEIGHT (F))       \
 960       : make_number ((Y) / FRAME_LINE_HEIGHT (F)))
 961
 962
 963 \f
 964 /* Manipulating pixel sizes and character sizes.
 965    Knowledge of which factors affect the overall size of the window should
 966    be hidden in these macros, if that's possible.
 967
 968    Return the upper/left pixel position of the character cell on frame F
 969    at ROW/COL.  */
 970
 971 #define FRAME_LINE_TO_PIXEL_Y(f, row) \
 972   (FRAME_INTERNAL_BORDER_WIDTH (f)  \
 973    + (row) * FRAME_LINE_HEIGHT (f))
 974
 975 #define FRAME_COL_TO_PIXEL_X(f, col) \
 976   (FRAME_INTERNAL_BORDER_WIDTH (f) \
 977    + (col) * FRAME_COLUMN_WIDTH (f))
 978
 979 /* Return the pixel width/height of frame F if it has
 980    COLS columns/LINES rows.  */
 981
 982 #define FRAME_TEXT_COLS_TO_PIXEL_WIDTH(f, cols) \
 983   (FRAME_COL_TO_PIXEL_X (f, cols) \
 984    + (f)->scroll_bar_actual_width \
 985    + FRAME_TOTAL_FRINGE_WIDTH (f)      \
 986    + FRAME_INTERNAL_BORDER_WIDTH (f))
 987
 988 #define FRAME_TEXT_LINES_TO_PIXEL_HEIGHT(f, lines) \
 989   (FRAME_LINE_TO_PIXEL_Y (f, lines) \
 990    + FRAME_INTERNAL_BORDER_WIDTH (f))
 991
 992
 993 /* Return the row/column (zero-based) of the character cell containing
 994    the pixel on FRAME at Y/X.  */
 995
 996 #define FRAME_PIXEL_Y_TO_LINE(f, y) \
 997   (((y) - FRAME_INTERNAL_BORDER_WIDTH (f))      \
 998    / FRAME_LINE_HEIGHT (f))
 999
1000 #define FRAME_PIXEL_X_TO_COL(f, x) \
1001   (((x) - FRAME_INTERNAL_BORDER_WIDTH (f))      \
1002    / FRAME_COLUMN_WIDTH (f))
1003
1004 /* How many columns/rows of text can we fit in WIDTH/HEIGHT pixels on
1005    frame F?  */
1006
1007 #define FRAME_PIXEL_WIDTH_TO_TEXT_COLS(f, width)                \
1008   (FRAME_PIXEL_X_TO_COL (f, ((width)                            \
1009                              - FRAME_INTERNAL_BORDER_WIDTH (f)  \
1010                              - FRAME_TOTAL_FRINGE_WIDTH (f)     \
1011                              - (f)->scroll_bar_actual_width)))
1012
1013 #define FRAME_PIXEL_HEIGHT_TO_TEXT_LINES(f, height) \
1014   (FRAME_PIXEL_Y_TO_LINE (f, ((height) \
1015                               - FRAME_INTERNAL_BORDER_WIDTH (f))))
1016
1017
1018 /***********************************************************************
1019                                 Frame Parameters
1020  ***********************************************************************/
1021
1022 extern Lisp_Object Qauto_raise, Qauto_lower;
1023 extern Lisp_Object Qborder_color, Qborder_width;
1024 extern Lisp_Object Qbuffer_predicate, Qbuffer_list, Qburied_buffer_list;
1025 extern Lisp_Object Qcursor_color, Qcursor_type;
1026 extern Lisp_Object Qfont;
1027 extern Lisp_Object Qbackground_color, Qforeground_color;
1028 extern Lisp_Object Qicon, Qicon_name, Qicon_type, Qicon_left, Qicon_top;
1029 extern Lisp_Object Qinternal_border_width;
1030 extern Lisp_Object Qmenu_bar_lines, Qtool_bar_lines;
1031 extern Lisp_Object Qmouse_color;
1032 extern Lisp_Object Qname, Qtitle;
1033 extern Lisp_Object Qparent_id;
1034 extern Lisp_Object Qunsplittable, Qvisibility;
1035 extern Lisp_Object Qscroll_bar_width, Qvertical_scroll_bars;
1036 extern Lisp_Object Qscroll_bar_foreground, Qscroll_bar_background;
1037 extern Lisp_Object Qscreen_gamma;
1038 extern Lisp_Object Qline_spacing;
1039 extern Lisp_Object Qwait_for_wm;
1040 extern Lisp_Object Qfullscreen;
1041 extern Lisp_Object Qfont_backend;
1042 extern Lisp_Object Qalpha;
1043
1044 extern Lisp_Object Qleft_fringe, Qright_fringe;
1045 extern Lisp_Object Qheight, Qwidth;
1046 extern Lisp_Object Qminibuffer, Qmodeline;
1047 extern Lisp_Object Qonly;
1048 extern Lisp_Object Qx, Qw32, Qmac, Qpc, Qns;
1049 extern Lisp_Object Qvisible;
1050 extern Lisp_Object Qdisplay_type;
1051 extern Lisp_Object Qbackground_mode;
1052
1053 extern Lisp_Object Qx_resource_name;
1054
1055 extern Lisp_Object Qleft, Qright, Qtop, Qbox;
1056 extern Lisp_Object Qdisplay;
1057
1058 #ifdef HAVE_WINDOW_SYSTEM
1059
1060 /* The class of this X application.  */
1061 #define EMACS_CLASS "Emacs"
1062
1063 /* These are in xterm.c, w32term.c, etc.  */
1064
1065 extern void x_set_scroll_bar_default_width P_ ((struct frame *));
1066 extern void x_set_offset P_ ((struct frame *, int, int, int));
1067 extern void x_wm_set_icon_position P_ ((struct frame *, int, int));
1068
1069 extern Lisp_Object x_new_font P_ ((struct frame *, Lisp_Object, int));
1070
1071 /* These are in frame.c  */
1072
1073 extern Lisp_Object Vx_resource_name;
1074 extern Lisp_Object Vx_resource_class;
1075
1076
1077 extern Lisp_Object Qface_set_after_frame_default;
1078
1079 extern void x_fullscreen_adjust P_ ((struct frame *f, int *, int *,
1080                                      int *, int *));
1081
1082 extern void x_set_frame_parameters P_ ((struct frame *, Lisp_Object));
1083 extern void x_report_frame_params P_ ((struct frame *, Lisp_Object *));
1084
1085 extern void x_set_fullscreen P_ ((struct frame *, Lisp_Object, Lisp_Object));
1086 extern void x_set_line_spacing P_ ((struct frame *, Lisp_Object, Lisp_Object));
1087 extern void x_set_screen_gamma P_ ((struct frame *, Lisp_Object, Lisp_Object));
1088 extern void x_set_font P_ ((struct frame *, Lisp_Object, Lisp_Object));
1089 extern void x_set_font_backend P_ ((struct frame *, Lisp_Object, Lisp_Object));
1090 extern void x_set_fringe_width P_ ((struct frame *, Lisp_Object, Lisp_Object));
1091 extern void x_set_border_width P_ ((struct frame *, Lisp_Object, Lisp_Object));
1092 extern void x_set_internal_border_width P_ ((struct frame *, Lisp_Object,
1093                                              Lisp_Object));
1094 extern void x_set_visibility P_ ((struct frame *, Lisp_Object, Lisp_Object));
1095 extern void x_set_autoraise P_ ((struct frame *, Lisp_Object, Lisp_Object));
1096 extern void x_set_autolower P_ ((struct frame *, Lisp_Object, Lisp_Object));
1097 extern void x_set_unsplittable P_ ((struct frame *, Lisp_Object, Lisp_Object));
1098 extern void x_set_vertical_scroll_bars P_ ((struct frame *, Lisp_Object,
1099                                             Lisp_Object));
1100 extern void x_set_scroll_bar_width P_ ((struct frame *, Lisp_Object,
1101                                         Lisp_Object));
1102
1103 extern Lisp_Object x_icon_type P_ ((struct frame *));
1104
1105 extern int x_figure_window_size P_ ((struct frame *, Lisp_Object, int));
1106
1107 extern Lisp_Object Vframe_alpha_lower_limit;
1108 extern void x_set_alpha P_ ((struct frame *, Lisp_Object, Lisp_Object));
1109
1110 extern void validate_x_resource_name P_ ((void));
1111
1112 extern Lisp_Object display_x_get_resource (Display_Info *,
1113                                            Lisp_Object attribute,
1114                                            Lisp_Object class,
1115                                            Lisp_Object component,
1116                                            Lisp_Object subclass);
1117
1118 extern Lisp_Object delete_frame P_ ((Lisp_Object, Lisp_Object));
1119
1120 #endif /* HAVE_WINDOW_SYSTEM */
1121
1122 #endif /* not EMACS_FRAME_H */
1123
1124 /* arch-tag: 0df048ee-e6bf-4f48-bd56-e3cd055dd8c4
1125    (do not change this comment) */