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, 2010, 2011, 2012 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   FULLSCREEN_NONE,
  79   FULLSCREEN_WIDTH     = 0x001,
  80   FULLSCREEN_HEIGHT    = 0x002,
  81   FULLSCREEN_BOTH      = 0x003,
  82   FULLSCREEN_MAXIMIZED = 0x013,
  83   FULLSCREEN_WAIT      = 0x100
  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   struct vectorlike_header header;
  97
  98   /* All Lisp_Object components must come first.
  99      That ensures they are all aligned normally.  */
 100
 101   /* Name of this frame: a Lisp string.  It is used for looking up resources,
 102      as well as for the title in some cases.  */
 103   Lisp_Object name;
 104
 105   /* The name to use for the icon, the last time
 106      it was refreshed.  nil means not explicitly specified.  */
 107   Lisp_Object icon_name;
 108
 109   /* This is the frame title specified explicitly, if any.
 110      Usually it is nil.  */
 111   Lisp_Object title;
 112
 113   /* The frame which should receive keystrokes that occur in this
 114      frame, or nil if they should go to the frame itself.  This is
 115      usually nil, but if the frame is minibufferless, we can use this
 116      to redirect keystrokes to a surrogate minibuffer frame when
 117      needed.
 118
 119      Note that a value of nil is different than having the field point
 120      to the frame itself.  Whenever the Fselect_frame function is used
 121      to shift from one frame to the other, any redirections to the
 122      original frame are shifted to the newly selected frame; if
 123      focus_frame is nil, Fselect_frame will leave it alone.  */
 124   Lisp_Object focus_frame;
 125
 126   /* This frame's root window.  Every frame has one.
 127      If the frame has only a minibuffer window, this is it.
 128      Otherwise, if the frame has a minibuffer window, this is its sibling.  */
 129   Lisp_Object root_window;
 130
 131   /* This frame's selected window.
 132      Each frame has its own window hierarchy
 133      and one of the windows in it is selected within the frame.
 134      The selected window of the selected frame is Emacs's selected window.  */
 135   Lisp_Object selected_window;
 136
 137   /* This frame's minibuffer window.
 138      Most frames have their own minibuffer windows,
 139      but only the selected frame's minibuffer window
 140      can actually appear to exist.  */
 141   Lisp_Object minibuffer_window;
 142
 143   /* Parameter alist of this frame.
 144      These are the parameters specified when creating the frame
 145      or modified with modify-frame-parameters.  */
 146   Lisp_Object param_alist;
 147
 148   /* List of scroll bars on this frame.
 149      Actually, we don't specify exactly what is stored here at all; the
 150      scroll bar implementation code can use it to store anything it likes.
 151      This field is marked by the garbage collector.  It is here
 152      instead of in the `device' structure so that the garbage
 153      collector doesn't need to look inside the window-system-dependent
 154      structure.  */
 155   Lisp_Object scroll_bars;
 156   Lisp_Object condemned_scroll_bars;
 157
 158   /* Vector describing the items to display in the menu bar.
 159      Each item has four elements in this vector.
 160      They are KEY, STRING, SUBMAP, and HPOS.
 161      (HPOS is not used in when the X toolkit is in use.)
 162      There are four additional elements of nil at the end, to terminate.  */
 163   Lisp_Object menu_bar_items;
 164
 165   /* Alist of elements (FACE-NAME . FACE-VECTOR-DATA).  */
 166   Lisp_Object face_alist;
 167
 168   /* A vector that records the entire structure of this frame's menu bar.
 169      For the format of the data, see extensive comments in xmenu.c.
 170      Only the X toolkit version uses this.  */
 171   Lisp_Object menu_bar_vector;
 172
 173   /* Predicate for selecting buffers for other-buffer.  */
 174   Lisp_Object buffer_predicate;
 175
 176   /* List of buffers viewed in this frame, for other-buffer.  */
 177   Lisp_Object buffer_list;
 178
 179   /* List of buffers that were viewed, then buried in this frame.  The
 180      most recently buried buffer is first.  For last-buffer.  */
 181   Lisp_Object buried_buffer_list;
 182
 183   /* A dummy window used to display menu bars under X when no X
 184      toolkit support is available.  */
 185   Lisp_Object menu_bar_window;
 186
 187   /* A window used to display the tool-bar of a frame.  */
 188   Lisp_Object tool_bar_window;
 189
 190   /* Desired and current tool-bar items.  */
 191   Lisp_Object tool_bar_items;
 192
 193   /* Desired and current contents displayed in tool_bar_window.  */
 194   Lisp_Object desired_tool_bar_string, current_tool_bar_string;
 195
 196   /* Beyond here, there should be no more Lisp_Object components.  */
 197
 198   /* Cache of realized faces.  */
 199   struct face_cache *face_cache;
 200
 201   /* Number of elements in `menu_bar_vector' that have meaningful data.  */
 202   EMACS_INT menu_bar_items_used;
 203
 204   /* A buffer to hold the frame's name.  We can't use the Lisp
 205      string's pointer (`name', above) because it might get relocated.  */
 206   char *namebuf;
 207
 208   /* Glyph pool and matrix. */
 209   struct glyph_pool *current_pool;
 210   struct glyph_pool *desired_pool;
 211   struct glyph_matrix *desired_matrix;
 212   struct glyph_matrix *current_matrix;
 213
 214   /* 1 means that glyphs on this frame have been initialized so it can
 215      be used for output.  */
 216   unsigned glyphs_initialized_p : 1;
 217
 218   /* Set to non-zero in change_frame_size when size of frame changed
 219      Clear the frame in clear_garbaged_frames if set.  */
 220   unsigned resized_p : 1;
 221
 222   /* Set to non-zero in when we want for force a flush_display in
 223      update_frame, usually after resizing the frame.  */
 224   unsigned force_flush_display_p : 1;
 225
 226   /* Set to non-zero if the default face for the frame has been
 227      realized.  Reset to zero whenever the default face changes.
 228      Used to see the difference between a font change and face change.  */
 229   unsigned default_face_done_p : 1;
 230
 231   /* Set to non-zero if this frame has already been hscrolled during
 232      current redisplay.  */
 233   unsigned already_hscrolled_p : 1;
 234
 235   /* Set to non-zero when current redisplay has updated frame.  */
 236   unsigned updated_p : 1;
 237
 238   /* Set to non-zero to minimize tool-bar height even when
 239      auto-resize-tool-bar is set to grow-only.  */
 240   unsigned minimize_tool_bar_window_p : 1;
 241
 242 #if defined (USE_GTK) || defined (HAVE_NS)
 243   /* Nonzero means using a tool bar that comes from the toolkit.  */
 244   int external_tool_bar;
 245 #endif
 246
 247   /* Margin at the top of the frame.  Used to display the tool-bar.  */
 248   int tool_bar_lines;
 249
 250   int n_tool_bar_rows;
 251   int n_tool_bar_items;
 252
 253   /* A buffer for decode_mode_line. */
 254   char *decode_mode_spec_buffer;
 255
 256   /* See do_line_insertion_deletion_costs for info on these arrays. */
 257   /* Cost of inserting 1 line on this frame */
 258   int *insert_line_cost;
 259   /* Cost of deleting 1 line on this frame */
 260   int *delete_line_cost;
 261   /* Cost of inserting n lines on this frame */
 262   int *insert_n_lines_cost;
 263   /* Cost of deleting n lines on this frame */
 264   int *delete_n_lines_cost;
 265
 266   /* Size of this frame, excluding fringes, scroll bars etc.,
 267      in units of canonical characters.  */
 268   EMACS_INT text_lines, text_cols;
 269
 270   /* Total size of this frame (i.e. its native window), in units of
 271      canonical characters.  */
 272   EMACS_INT total_lines, total_cols;
 273
 274   /* New text height and width for pending size change.
 275      0 if no change pending.  */
 276   int new_text_lines, new_text_cols;
 277
 278   /* Pixel position of the frame window (x and y offsets in root window).  */
 279   int left_pos, top_pos;
 280
 281   /* Size of the frame window in pixels.  */
 282   int pixel_height, pixel_width;
 283
 284   /* Dots per inch of the screen the frame is on.  */
 285   double resx, resy;
 286
 287   /* These many pixels are the difference between the outer window (i.e. the
 288      left and top of the window manager decoration) and FRAME_X_WINDOW. */
 289   int x_pixels_diff, y_pixels_diff;
 290
 291   /* This is the gravity value for the specified window position.  */
 292   int win_gravity;
 293
 294   /* The geometry flags for this window.  */
 295   int size_hint_flags;
 296
 297   /* Border width of the frame window as known by the (X) window system.  */
 298   int border_width;
 299
 300   /* Width of the internal border.  This is a line of background color
 301      just inside the window's border.  When the frame is selected,
 302      a highlighting is displayed inside the internal border.  */
 303   int internal_border_width;
 304
 305   /* Canonical X unit.  Width of default font, in pixels.  */
 306   int column_width;
 307
 308   /* Width of space glyph of default font, in pixels.  */
 309   int space_width;
 310
 311   /* Canonical Y unit.  Height of a line, in pixels.  */
 312   int line_height;
 313
 314   /* The output method says how the contents of this frame are
 315      displayed.  It could be using termcap, or using an X window.
 316      This must be the same as the terminal->type. */
 317   enum output_method output_method;
 318
 319   /* The terminal device that this frame uses.  If this is NULL, then
 320      the frame has been deleted. */
 321   struct terminal *terminal;
 322
 323   /* Device-dependent, frame-local auxiliary data used for displaying
 324      the contents.  When the frame is deleted, this data is deleted as
 325      well. */
 326   union output_data
 327   {
 328     struct tty_output *tty;     /* termchar.h */
 329     struct x_output *x;         /* xterm.h */
 330     struct w32_output *w32;     /* w32term.h */
 331     struct ns_output *ns;       /* nsterm.h */
 332     EMACS_INT nothing;
 333   }
 334   output_data;
 335
 336   /* List of font-drivers available on the frame. */
 337   struct font_driver_list *font_driver_list;
 338   /* List of data specific to font-driver and frame, but common to
 339      faces.  */
 340   struct font_data_list *font_data_list;
 341
 342   /* Total width of fringes reserved for drawing truncation bitmaps,
 343      continuation bitmaps and alike.  The width is in canonical char
 344      units of the frame.  This must currently be the case because window
 345      sizes aren't pixel values.  If it weren't the case, we wouldn't be
 346      able to split windows horizontally nicely.  */
 347   int fringe_cols;
 348
 349   /* The extra width (in pixels) currently allotted for fringes.  */
 350   int left_fringe_width, right_fringe_width;
 351
 352   /* See FULLSCREEN_ enum below */
 353   enum fullscreen_type want_fullscreen;
 354
 355   /* Number of lines of menu bar.  */
 356   int menu_bar_lines;
 357
 358 #if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI) \
 359     || defined (HAVE_NS) || defined (USE_GTK)
 360   /* Nonzero means using a menu bar that comes from the X toolkit.  */
 361   unsigned int external_menu_bar : 1;
 362 #endif
 363
 364   /* Nonzero if last attempt at redisplay on this frame was preempted.  */
 365   unsigned char display_preempted : 1;
 366
 367   /* visible is nonzero if the frame is currently displayed; we check
 368      it to see if we should bother updating the frame's contents.
 369      DON'T SET IT DIRECTLY; instead, use FRAME_SET_VISIBLE.
 370
 371      Note that, since invisible frames aren't updated, whenever a
 372      frame becomes visible again, it must be marked as garbaged.  The
 373      FRAME_SAMPLE_VISIBILITY macro takes care of this.
 374
 375      On ttys and on Windows NT/9X, to avoid wasting effort updating
 376      visible frames that are actually completely obscured by other
 377      windows on the display, we bend the meaning of visible slightly:
 378      if greater than 1, then the frame is obscured - we still consider
 379      it to be "visible" as seen from lisp, but we don't bother
 380      updating it.  We must take care to garbage the frame when it
 381      ceaces to be obscured though.
 382
 383      iconified is nonzero if the frame is currently iconified.
 384
 385      Asynchronous input handlers should NOT change these directly;
 386      instead, they should change async_visible or async_iconified, and
 387      let the FRAME_SAMPLE_VISIBILITY macro set visible and iconified
 388      at the next redisplay.
 389
 390      These should probably be considered read-only by everyone except
 391      FRAME_SAMPLE_VISIBILITY.
 392
 393      These two are mutually exclusive.  They might both be zero, if the
 394      frame has been made invisible without an icon.  */
 395   unsigned char visible : 2;
 396   unsigned char iconified : 1;
 397
 398   /* Let's not use bitfields for volatile variables.  */
 399
 400   /* Asynchronous input handlers change these, and
 401      FRAME_SAMPLE_VISIBILITY copies them into visible and iconified.
 402      See FRAME_SAMPLE_VISIBILITY, below.  */
 403   volatile char async_visible, async_iconified;
 404
 405   /* Nonzero if this frame should be redrawn.  */
 406   volatile char garbaged;
 407
 408   /* True if frame actually has a minibuffer window on it.
 409      0 if using a minibuffer window that isn't on this frame.  */
 410   unsigned char has_minibuffer : 1;
 411
 412   /* 0 means, if this frame has just one window,
 413      show no modeline for that window.  */
 414   unsigned char wants_modeline : 1;
 415
 416   /* Non-zero if the hardware device this frame is displaying on can
 417      support scroll bars.  */
 418   char can_have_scroll_bars;
 419
 420   /* Non-0 means raise this frame to the top of the heap when selected.  */
 421   unsigned char auto_raise : 1;
 422
 423   /* Non-0 means lower this frame to the bottom of the stack when left.  */
 424   unsigned char auto_lower : 1;
 425
 426   /* True if frame's root window can't be split.  */
 427   unsigned char no_split : 1;
 428
 429   /* If this is set, then Emacs won't change the frame name to indicate
 430      the current buffer, etcetera.  If the user explicitly sets the frame
 431      name, this gets set.  If the user sets the name to Qnil, this is
 432      cleared.  */
 433   unsigned char explicit_name : 1;
 434
 435   /* Nonzero if size of some window on this frame has changed.  */
 436   unsigned char window_sizes_changed : 1;
 437
 438   /* Nonzero if the mouse has moved on this display device
 439      since the last time we checked.  */
 440   unsigned char mouse_moved :1;
 441
 442   /* Nonzero means that the pointer is invisible. */
 443   unsigned char pointer_invisible :1;
 444
 445   /* If can_have_scroll_bars is non-zero, this is non-zero if we should
 446      actually display them on this frame.  */
 447   enum vertical_scroll_bar_type vertical_scroll_bar_type;
 448
 449   /* What kind of text cursor should we draw in the future?
 450      This should always be filled_box_cursor or bar_cursor.  */
 451   enum text_cursor_kinds desired_cursor;
 452
 453   /* Width of bar cursor (if we are using that).  */
 454   int cursor_width;
 455
 456   /* What kind of text cursor should we draw when the cursor blinks off?
 457      This can be filled_box_cursor or bar_cursor or no_cursor.  */
 458   enum text_cursor_kinds blink_off_cursor;
 459
 460   /* Width of bar cursor (if we are using that) for blink-off state.  */
 461   int blink_off_cursor_width;
 462
 463   /* Storage for messages to this frame. */
 464   char *message_buf;
 465
 466   /* Nonnegative if current redisplay should not do scroll computation
 467      for lines beyond a certain vpos.  This is the vpos.  */
 468   int scroll_bottom_vpos;
 469
 470   /* Configured width of the scroll bar, in pixels and in characters.
 471      config_scroll_bar_cols tracks config_scroll_bar_width if the
 472      latter is positive; a zero value in config_scroll_bar_width means
 473      to compute the actual width on the fly, using config_scroll_bar_cols
 474      and the current font width.  */
 475   int config_scroll_bar_width;
 476   int config_scroll_bar_cols;
 477
 478   /* The size of the extra width currently allotted for vertical
 479      scroll bars in this frame, in pixels.  */
 480   int scroll_bar_actual_width;
 481
 482   /* The baud rate that was used to calculate costs for this frame.  */
 483   int cost_calculation_baud_rate;
 484
 485   /* frame opacity
 486      alpha[0]: alpha transparency of the active frame
 487      alpha[1]: alpha transparency of inactive frames
 488      Negative values mean not to change alpha.  */
 489   double alpha[2];
 490
 491   /* Exponent for gamma correction of colors.  1/(VIEWING_GAMMA *
 492      SCREEN_GAMMA) where viewing_gamma is 0.4545 and SCREEN_GAMMA is a
 493      frame parameter.  0 means don't do gamma correction.  */
 494   double gamma;
 495
 496   /* Additional space to put between text lines on this frame.  */
 497   int extra_line_spacing;
 498
 499   /* All display backends seem to need these two pixel values. */
 500   unsigned long background_pixel;
 501   unsigned long foreground_pixel;
 502 };
 503
 504 #define FRAME_KBOARD(f) ((f)->terminal->kboard)
 505
 506 /* Return a pointer to the image cache of frame F.  */
 507 #define FRAME_IMAGE_CACHE(F) ((F)->terminal->image_cache)
 508
 509 typedef struct frame *FRAME_PTR;
 510
 511 #define XFRAME(p) (eassert (FRAMEP(p)),(struct frame *) XPNTR (p))
 512 #define XSETFRAME(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_FRAME))
 513
 514 /* Given a window, return its frame as a Lisp_Object.  */
 515 #define WINDOW_FRAME(w) (w)->frame
 516
 517 /* Test a frame for particular kinds of display methods.  */
 518 #define FRAME_INITIAL_P(f) ((f)->output_method == output_initial)
 519 #define FRAME_TERMCAP_P(f) ((f)->output_method == output_termcap)
 520 #define FRAME_X_P(f) ((f)->output_method == output_x_window)
 521 #define FRAME_W32_P(f) ((f)->output_method == output_w32)
 522 #define FRAME_MSDOS_P(f) ((f)->output_method == output_msdos_raw)
 523 #define FRAME_MAC_P(f) ((f)->output_method == output_mac)
 524 #define FRAME_NS_P(f) ((f)->output_method == output_ns)
 525
 526 /* FRAME_WINDOW_P tests whether the frame is a window, and is
 527    defined to be the predicate for the window system being used.  */
 528
 529 #ifdef HAVE_X_WINDOWS
 530 #define FRAME_WINDOW_P(f) FRAME_X_P (f)
 531 #endif
 532 #ifdef HAVE_NTGUI
 533 #define FRAME_WINDOW_P(f) FRAME_W32_P (f)
 534 #endif
 535 #ifdef HAVE_NS
 536 #define FRAME_WINDOW_P(f) FRAME_NS_P(f)
 537 #endif
 538 #ifndef FRAME_WINDOW_P
 539 #define FRAME_WINDOW_P(f) (0)
 540 #endif
 541
 542 /* Nonzero if frame F is still alive (not deleted).  */
 543 #define FRAME_LIVE_P(f) ((f)->terminal != 0)
 544
 545 /* Nonzero if frame F is a minibuffer-only frame.  */
 546 #define FRAME_MINIBUF_ONLY_P(f) \
 547   EQ (FRAME_ROOT_WINDOW (f), FRAME_MINIBUF_WINDOW (f))
 548
 549 /* Nonzero if frame F contains a minibuffer window.
 550    (If this is 0, F must use some other minibuffer window.)  */
 551 #define FRAME_HAS_MINIBUF_P(f) ((f)->has_minibuffer)
 552
 553 /* Pixel height of frame F, including non-toolkit menu bar and
 554    non-toolkit tool bar lines.  */
 555 #define FRAME_PIXEL_HEIGHT(f) ((f)->pixel_height)
 556
 557 /* Pixel width of frame F.  */
 558 #define FRAME_PIXEL_WIDTH(f) ((f)->pixel_width)
 559
 560 /* Height of frame F, measured in canonical lines, including
 561    non-toolkit menu bar and non-toolkit tool bar lines.  */
 562 #define FRAME_LINES(f) (f)->text_lines
 563
 564 /* Width of frame F, measured in canonical character columns,
 565    not including scroll bars if any.  */
 566 #define FRAME_COLS(f) (f)->text_cols
 567
 568 /* Number of lines of frame F used for menu bar.
 569    This is relevant on terminal frames and on
 570    X Windows when not using the X toolkit.
 571    These lines are counted in FRAME_LINES.  */
 572 #define FRAME_MENU_BAR_LINES(f) (f)->menu_bar_lines
 573
 574 /* Nonzero if this frame should display a tool bar
 575    in a way that does not use any text lines.  */
 576 #if defined (USE_GTK) || defined (HAVE_NS)
 577 #define FRAME_EXTERNAL_TOOL_BAR(f) (f)->external_tool_bar
 578 #else
 579 #define FRAME_EXTERNAL_TOOL_BAR(f) 0
 580 #endif
 581
 582 /* Number of lines of frame F used for the tool-bar.  */
 583
 584 #define FRAME_TOOL_BAR_LINES(f) (f)->tool_bar_lines
 585
 586
 587 /* Lines above the top-most window in frame F.  */
 588
 589 #define FRAME_TOP_MARGIN(F) \
 590      (FRAME_MENU_BAR_LINES (F) + FRAME_TOOL_BAR_LINES (F))
 591
 592 /* Pixel height of the top margin above.  */
 593
 594 #define FRAME_TOP_MARGIN_HEIGHT(f) \
 595   (FRAME_TOP_MARGIN (f) * FRAME_LINE_HEIGHT (f))
 596
 597 /* Nonzero if this frame should display a menu bar
 598    in a way that does not use any text lines.  */
 599 #if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI) \
 600      || defined (HAVE_NS) || defined (USE_GTK)
 601 #define FRAME_EXTERNAL_MENU_BAR(f) (f)->external_menu_bar
 602 #else
 603 #define FRAME_EXTERNAL_MENU_BAR(f) 0
 604 #endif
 605 #define FRAME_VISIBLE_P(f) ((f)->visible != 0)
 606
 607 /* Nonzero if frame F is currently visible but hidden.  */
 608 #define FRAME_OBSCURED_P(f) ((f)->visible > 1)
 609
 610 /* Nonzero if frame F is currently iconified.  */
 611 #define FRAME_ICONIFIED_P(f) (f)->iconified
 612
 613 #define FRAME_SET_VISIBLE(f,p) \
 614   ((f)->async_visible = (p), FRAME_SAMPLE_VISIBILITY (f))
 615 #define SET_FRAME_GARBAGED(f) (frame_garbaged = 1, f->garbaged = 1)
 616 #define FRAME_GARBAGED_P(f) (f)->garbaged
 617
 618 /* Nonzero means do not allow splitting this frame's window.  */
 619 #define FRAME_NO_SPLIT_P(f) (f)->no_split
 620
 621 /* Not really implemented.  */
 622 #define FRAME_WANTS_MODELINE_P(f) (f)->wants_modeline
 623
 624 /* Nonzero if a size change has been requested for frame F
 625    but not yet really put into effect.  This can be true temporarily
 626    when an X event comes in at a bad time.  */
 627 #define FRAME_WINDOW_SIZES_CHANGED(f) (f)->window_sizes_changed
 628
 629 /* The minibuffer window of frame F, if it has one; otherwise nil.  */
 630 #define FRAME_MINIBUF_WINDOW(f) (f)->minibuffer_window
 631
 632 /* The root window of the window tree of frame F.  */
 633 #define FRAME_ROOT_WINDOW(f) (f)->root_window
 634
 635 /* The currently selected window of the window tree of frame F.  */
 636 #define FRAME_SELECTED_WINDOW(f) (f)->selected_window
 637
 638 #define FRAME_INSERT_COST(f) (f)->insert_line_cost
 639 #define FRAME_DELETE_COST(f) (f)->delete_line_cost
 640 #define FRAME_INSERTN_COST(f) (f)->insert_n_lines_cost
 641 #define FRAME_DELETEN_COST(f) (f)->delete_n_lines_cost
 642 #define FRAME_MESSAGE_BUF(f) (f)->message_buf
 643 #define FRAME_SCROLL_BOTTOM_VPOS(f) (f)->scroll_bottom_vpos
 644 #define FRAME_FOCUS_FRAME(f) (f)->focus_frame
 645
 646 /* Nonzero if frame F supports scroll bars.
 647    If this is zero, then it is impossible to enable scroll bars
 648    on frame F.  */
 649 #define FRAME_CAN_HAVE_SCROLL_BARS(f) ((f)->can_have_scroll_bars)
 650
 651 /* This frame slot says whether scroll bars are currently enabled for frame F,
 652    and which side they are on.  */
 653 #define FRAME_VERTICAL_SCROLL_BAR_TYPE(f) ((f)->vertical_scroll_bar_type)
 654 #define FRAME_HAS_VERTICAL_SCROLL_BARS(f) \
 655      ((f)->vertical_scroll_bar_type != vertical_scroll_bar_none)
 656 #define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT(f) \
 657      ((f)->vertical_scroll_bar_type == vertical_scroll_bar_left)
 658 #define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT(f) \
 659      ((f)->vertical_scroll_bar_type == vertical_scroll_bar_right)
 660
 661 /* Width that a scroll bar in frame F should have, if there is one.
 662    Measured in pixels.
 663    If scroll bars are turned off, this is still nonzero.  */
 664 #define FRAME_CONFIG_SCROLL_BAR_WIDTH(f) ((f)->config_scroll_bar_width)
 665
 666 /* Width that a scroll bar in frame F should have, if there is one.
 667    Measured in columns (characters).
 668    If scroll bars are turned off, this is still nonzero.  */
 669 #define FRAME_CONFIG_SCROLL_BAR_COLS(f) ((f)->config_scroll_bar_cols)
 670
 671 /* Width of a scroll bar in frame F, measured in columns (characters),
 672    but only if scroll bars are on the left.  If scroll bars are on
 673    the right in this frame, or there are no scroll bars, value is 0.  */
 674
 675 #define FRAME_LEFT_SCROLL_BAR_COLS(f)                   \
 676      (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)        \
 677       ? FRAME_CONFIG_SCROLL_BAR_COLS (f)                \
 678       : 0)
 679
 680 /* Width of a left scroll bar in frame F, measured in pixels */
 681
 682 #define FRAME_LEFT_SCROLL_BAR_AREA_WIDTH(f)                                     \
 683   (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)                           \
 684    ? (FRAME_CONFIG_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f))        \
 685    : 0)
 686
 687 /* Width of a scroll bar in frame F, measured in columns (characters),
 688    but only if scroll bars are on the right.  If scroll bars are on
 689    the left in this frame, or there are no scroll bars, value is 0.  */
 690
 691 #define FRAME_RIGHT_SCROLL_BAR_COLS(f)                  \
 692      (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)       \
 693       ? FRAME_CONFIG_SCROLL_BAR_COLS (f)                \
 694       : 0)
 695
 696 /* Width of a right scroll bar area in frame F, measured in pixels */
 697
 698 #define FRAME_RIGHT_SCROLL_BAR_AREA_WIDTH(f)                                    \
 699   (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)                          \
 700    ? (FRAME_CONFIG_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f))        \
 701    : 0)
 702
 703 /* Actual width of a scroll bar in frame F, measured in columns.  */
 704
 705 #define FRAME_SCROLL_BAR_COLS(f)                        \
 706      (FRAME_HAS_VERTICAL_SCROLL_BARS (f)                \
 707       ? FRAME_CONFIG_SCROLL_BAR_COLS (f)                \
 708       : 0)
 709
 710 /* Actual width of a scroll bar area in frame F, measured in pixels.  */
 711
 712 #define FRAME_SCROLL_BAR_AREA_WIDTH(f)                                  \
 713   (FRAME_HAS_VERTICAL_SCROLL_BARS (f)                                   \
 714    ? (FRAME_CONFIG_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f))        \
 715    : 0)
 716
 717 /* Total width of frame F, in columns (characters),
 718    including the width used by scroll bars if any.  */
 719
 720 #define FRAME_TOTAL_COLS(f) ((f)->total_cols)
 721
 722 /* Set the width of frame F to VAL.
 723    VAL is the width of a full-frame window,
 724    not including scroll bars and fringes.  */
 725
 726 #define SET_FRAME_COLS(f, val)                                          \
 727      (FRAME_COLS (f) = (val),                                           \
 728       (f)->total_cols = FRAME_TOTAL_COLS_ARG (f, FRAME_COLS (f)))
 729
 730 /* Given a value WIDTH for frame F's nominal width,
 731    return the value that FRAME_TOTAL_COLS should have.  */
 732
 733 #define FRAME_TOTAL_COLS_ARG(f, width)          \
 734      ((width)                                   \
 735       + FRAME_SCROLL_BAR_COLS (f)               \
 736       + FRAME_FRINGE_COLS (f))
 737
 738 /* Maximum + 1 legitimate value for FRAME_CURSOR_X.  */
 739
 740 #define FRAME_CURSOR_X_LIMIT(f) \
 741      (FRAME_COLS (f) + FRAME_LEFT_SCROLL_BAR_COLS (f))
 742
 743 /* Nonzero if frame F has scroll bars.  */
 744
 745 #define FRAME_SCROLL_BARS(f) ((f)->scroll_bars)
 746
 747 #define FRAME_CONDEMNED_SCROLL_BARS(f) ((f)->condemned_scroll_bars)
 748 #define FRAME_MENU_BAR_ITEMS(f) ((f)->menu_bar_items)
 749 #define FRAME_COST_BAUD_RATE(f) ((f)->cost_calculation_baud_rate)
 750
 751 #define FRAME_DESIRED_CURSOR(f) ((f)->desired_cursor)
 752 #define FRAME_BLINK_OFF_CURSOR(f) ((f)->blink_off_cursor)
 753 #define FRAME_CURSOR_WIDTH(f) ((f)->cursor_width)
 754 #define FRAME_BLINK_OFF_CURSOR_WIDTH(f) ((f)->blink_off_cursor_width)
 755
 756 /* Return a pointer to the face cache of frame F.  */
 757
 758 #define FRAME_FACE_CACHE(F)     (F)->face_cache
 759
 760 /* Return the size of message_buf of the frame F.  We multiply the
 761    width of the frame by 4 because multi-byte form may require at most
 762    4-byte for a character.  */
 763
 764 #define FRAME_MESSAGE_BUF_SIZE(f) (((int) FRAME_COLS (f)) * 4)
 765
 766 /* Emacs's redisplay code could become confused if a frame's
 767    visibility changes at arbitrary times.  For example, if a frame is
 768    visible while the desired glyphs are being built, but becomes
 769    invisible before they are updated, then some rows of the
 770    desired_glyphs will be left marked as enabled after redisplay is
 771    complete, which should never happen.  The next time the frame
 772    becomes visible, redisplay will probably barf.
 773
 774    Currently, there are no similar situations involving iconified, but
 775    the principle is the same.
 776
 777    So instead of having asynchronous input handlers directly set and
 778    clear the frame's visibility and iconification flags, they just set
 779    the async_visible and async_iconified flags; the redisplay code
 780    calls the FRAME_SAMPLE_VISIBILITY macro before doing any redisplay,
 781    which sets visible and iconified from their asynchronous
 782    counterparts.
 783
 784    Synchronous code must use the FRAME_SET_VISIBLE macro.
 785
 786    Also, if a frame used to be invisible, but has just become visible,
 787    it must be marked as garbaged, since redisplay hasn't been keeping
 788    up its contents.
 789
 790    Note that a tty frame is visible if and only if it is the topmost
 791    frame. */
 792
 793 #define FRAME_SAMPLE_VISIBILITY(f) \
 794   (((f)->async_visible && (f)->visible != (f)->async_visible) ? \
 795    SET_FRAME_GARBAGED (f) : 0, \
 796    (f)->visible = (f)->async_visible, \
 797    (f)->iconified = (f)->async_iconified)
 798
 799 #define CHECK_FRAME(x) \
 800   CHECK_TYPE (FRAMEP (x), Qframep, x)
 801
 802 #define CHECK_LIVE_FRAME(x) \
 803   CHECK_TYPE (FRAMEP (x) && FRAME_LIVE_P (XFRAME (x)), Qframe_live_p, x)
 804
 805 /* FOR_EACH_FRAME (LIST_VAR, FRAME_VAR) followed by a statement is a
 806    `for' loop which iterates over the elements of Vframe_list.  The
 807    loop will set FRAME_VAR, a Lisp_Object, to each frame in
 808    Vframe_list in succession and execute the statement.  LIST_VAR
 809    should be a Lisp_Object too; it is used to iterate through the
 810    Vframe_list.
 811
 812    This macro is a holdover from a time when multiple frames weren't always
 813    supported.  An alternate definition of the macro would expand to
 814    something which executes the statement once.  */
 815
 816 #define FOR_EACH_FRAME(list_var, frame_var)                     \
 817   for ((list_var) = Vframe_list;                                \
 818        (CONSP (list_var)                                        \
 819         && (frame_var = XCAR (list_var), 1));           \
 820        list_var = XCDR (list_var))
 821
 822
 823 extern Lisp_Object Qframep, Qframe_live_p;
 824 extern Lisp_Object Qtty, Qtty_type;
 825 extern Lisp_Object Qterminal, Qterminal_live_p;
 826 extern Lisp_Object Qnoelisp;
 827
 828 extern struct frame *last_nonminibuf_frame;
 829
 830 extern struct frame *make_initial_frame P_ ((void));
 831 extern struct frame *make_terminal_frame P_ ((struct terminal *));
 832 extern struct frame *make_frame P_ ((int));
 833 #ifdef HAVE_WINDOW_SYSTEM
 834 extern struct frame *make_minibuffer_frame P_ ((void));
 835 extern struct frame *make_frame_without_minibuffer P_ ((Lisp_Object,
 836                                                         struct kboard *,
 837                                                         Lisp_Object));
 838 #endif /* HAVE_WINDOW_SYSTEM */
 839 extern int other_visible_frames P_ ((struct frame *));
 840 extern void frame_make_pointer_invisible P_ ((void));
 841 extern void frame_make_pointer_visible P_ ((void));
 842 extern Lisp_Object delete_frame P_ ((Lisp_Object, Lisp_Object));
 843
 844 extern Lisp_Object Vframe_list;
 845 extern Lisp_Object Vdefault_frame_alist;
 846
 847 extern Lisp_Object Vterminal_frame;
 848
 849 extern Lisp_Object Vmouse_highlight;
 850 \f
 851 /* The currently selected frame.  */
 852
 853 extern Lisp_Object selected_frame;
 854
 855 /* Value is a pointer to the selected frame.  If the selected frame
 856    isn't live, abort.  */
 857
 858 #define SELECTED_FRAME()                                \
 859      ((FRAMEP (selected_frame)                          \
 860        && FRAME_LIVE_P (XFRAME (selected_frame)))       \
 861       ? XFRAME (selected_frame)                         \
 862       : (abort (), (struct frame *) 0))
 863
 864 \f
 865 /***********************************************************************
 866                         Display-related Macros
 867  ***********************************************************************/
 868
 869 /* Canonical y-unit on frame F.
 870    This value currently equals the line height of the frame (which is
 871    the height of the default font of F).  */
 872
 873 #define FRAME_LINE_HEIGHT(F) ((F)->line_height)
 874
 875 /* Canonical x-unit on frame F.
 876    This value currently equals the average width of the default font of F.  */
 877
 878 #define FRAME_COLUMN_WIDTH(F) ((F)->column_width)
 879
 880 /* Space glyph width of the default font of frame F.  */
 881
 882 #define FRAME_SPACE_WIDTH(F) ((F)->space_width)
 883
 884
 885 /* Pixel width of areas used to display truncation marks, continuation
 886    marks, overlay arrows.  This is 0 for terminal frames.  */
 887
 888 #ifdef HAVE_WINDOW_SYSTEM
 889
 890 /* Total width of fringes reserved for drawing truncation bitmaps,
 891    continuation bitmaps and alike.  The width is in canonical char
 892    units of the frame.  This must currently be the case because window
 893    sizes aren't pixel values.  If it weren't the case, we wouldn't be
 894    able to split windows horizontally nicely.  */
 895
 896 #define FRAME_FRINGE_COLS(F) ((F)->fringe_cols)
 897
 898 /* Pixel-width of the left and right fringe.  */
 899
 900 #define FRAME_LEFT_FRINGE_WIDTH(F) ((F)->left_fringe_width)
 901 #define FRAME_RIGHT_FRINGE_WIDTH(F) ((F)->right_fringe_width)
 902
 903 /* Total width of fringes in pixels.  */
 904
 905 #define FRAME_TOTAL_FRINGE_WIDTH(F) \
 906   (FRAME_LEFT_FRINGE_WIDTH (F) + FRAME_RIGHT_FRINGE_WIDTH (F))
 907
 908
 909 /* Pixel-width of internal border lines */
 910
 911 #define FRAME_INTERNAL_BORDER_WIDTH(F) ((F)->internal_border_width)
 912
 913 #else /* not HAVE_WINDOW_SYSTEM */
 914
 915 #define FRAME_FRINGE_COLS(F)    0
 916 #define FRAME_TOTAL_FRINGE_WIDTH(F)     0
 917 #define FRAME_LEFT_FRINGE_WIDTH(F)  0
 918 #define FRAME_RIGHT_FRINGE_WIDTH(F) 0
 919 #define FRAME_INTERNAL_BORDER_WIDTH(F) 0
 920
 921 #endif /* not HAVE_WINDOW_SYSTEM */
 922
 923
 924
 925 \f
 926 /***********************************************************************
 927             Conversion between canonical units and pixels
 928  ***********************************************************************/
 929
 930 /* Canonical x-values are fractions of FRAME_COLUMN_WIDTH, canonical
 931    y-unit are fractions of FRAME_LINE_HEIGHT of a frame.  Both are
 932    represented as Lisp numbers, i.e. integers or floats.  */
 933
 934 /* Convert canonical value X to pixels.  F is the frame whose
 935    canonical char width is to be used.  X must be a Lisp integer or
 936    float.  Value is a C integer.  */
 937
 938 #define FRAME_PIXEL_X_FROM_CANON_X(F, X)                \
 939      (INTEGERP (X)                                      \
 940       ? XINT (X) * FRAME_COLUMN_WIDTH (F)               \
 941       : (int) (XFLOAT_DATA (X) * FRAME_COLUMN_WIDTH (F)))
 942
 943 /* Convert canonical value Y to pixels.  F is the frame whose
 944    canonical character height is to be used.  X must be a Lisp integer
 945    or float.  Value is a C integer.  */
 946
 947 #define FRAME_PIXEL_Y_FROM_CANON_Y(F, Y)                \
 948      (INTEGERP (Y)                                      \
 949       ? XINT (Y) * FRAME_LINE_HEIGHT (F)                \
 950       : (int) (XFLOAT_DATA (Y) * FRAME_LINE_HEIGHT (F)))
 951
 952 /* Convert pixel-value X to canonical units.  F is the frame whose
 953    canonical character width is to be used.  X is a C integer.  Result
 954    is a Lisp float if X is not a multiple of the canon width,
 955    otherwise it's a Lisp integer.  */
 956
 957 #define FRAME_CANON_X_FROM_PIXEL_X(F, X)                        \
 958      ((X) % FRAME_COLUMN_WIDTH (F) != 0                         \
 959       ? make_float ((double) (X) / FRAME_COLUMN_WIDTH (F))      \
 960       : make_number ((X) / FRAME_COLUMN_WIDTH (F)))
 961
 962 /* Convert pixel-value Y to canonical units.  F is the frame whose
 963    canonical character height is to be used.  Y is a C integer.
 964    Result is a Lisp float if Y is not a multiple of the canon width,
 965    otherwise it's a Lisp integer.  */
 966
 967 #define FRAME_CANON_Y_FROM_PIXEL_Y(F, Y)                        \
 968      ((Y) % FRAME_LINE_HEIGHT (F)                               \
 969       ? make_float ((double) (Y) / FRAME_LINE_HEIGHT (F))       \
 970       : make_number ((Y) / FRAME_LINE_HEIGHT (F)))
 971
 972
 973 \f
 974 /* Manipulating pixel sizes and character sizes.
 975    Knowledge of which factors affect the overall size of the window should
 976    be hidden in these macros, if that's possible.
 977
 978    Return the upper/left pixel position of the character cell on frame F
 979    at ROW/COL.  */
 980
 981 #define FRAME_LINE_TO_PIXEL_Y(f, row) \
 982   (((row) < FRAME_TOP_MARGIN (f) ? 0 : FRAME_INTERNAL_BORDER_WIDTH (f)) \
 983    + (row) * FRAME_LINE_HEIGHT (f))
 984
 985 #define FRAME_COL_TO_PIXEL_X(f, col) \
 986   (FRAME_INTERNAL_BORDER_WIDTH (f) \
 987    + (col) * FRAME_COLUMN_WIDTH (f))
 988
 989 /* Return the pixel width/height of frame F if it has
 990    COLS columns/LINES rows.  */
 991
 992 #define FRAME_TEXT_COLS_TO_PIXEL_WIDTH(f, cols) \
 993   (FRAME_COL_TO_PIXEL_X (f, cols) \
 994    + (f)->scroll_bar_actual_width \
 995    + FRAME_TOTAL_FRINGE_WIDTH (f)      \
 996    + FRAME_INTERNAL_BORDER_WIDTH (f))
 997
 998 #define FRAME_TEXT_LINES_TO_PIXEL_HEIGHT(f, lines) \
 999   ((lines) * FRAME_LINE_HEIGHT (f) \
1000    + 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
1001
1002
1003 /* Return the row/column (zero-based) of the character cell containing
1004    the pixel on FRAME at Y/X.  */
1005
1006 #define FRAME_PIXEL_Y_TO_LINE(f, y) \
1007   (((y) < FRAME_TOP_MARGIN_HEIGHT (f)   \
1008     ? (y)       \
1009     : ((y) < FRAME_TOP_MARGIN_HEIGHT (f) + FRAME_INTERNAL_BORDER_WIDTH (f) \
1010        ? (y) - (FRAME_TOP_MARGIN_HEIGHT (f) + FRAME_INTERNAL_BORDER_WIDTH (f) \
1011                 /* Arrange for the division to round down.  */  \
1012                 + FRAME_LINE_HEIGHT (f) - 1)    \
1013        : (y) - FRAME_INTERNAL_BORDER_WIDTH (f)))        \
1014    / FRAME_LINE_HEIGHT (f))
1015
1016 #define FRAME_PIXEL_X_TO_COL(f, x) \
1017   (((x) - FRAME_INTERNAL_BORDER_WIDTH (f))      \
1018    / FRAME_COLUMN_WIDTH (f))
1019
1020 /* How many columns/rows of text can we fit in WIDTH/HEIGHT pixels on
1021    frame F?  */
1022
1023 #define FRAME_PIXEL_WIDTH_TO_TEXT_COLS(f, width)                \
1024   (FRAME_PIXEL_X_TO_COL (f, ((width)                            \
1025                              - FRAME_INTERNAL_BORDER_WIDTH (f)  \
1026                              - FRAME_TOTAL_FRINGE_WIDTH (f)     \
1027                              - (f)->scroll_bar_actual_width)))
1028
1029 #define FRAME_PIXEL_HEIGHT_TO_TEXT_LINES(f, height) \
1030   (FRAME_PIXEL_Y_TO_LINE (f, ((height) \
1031                               - FRAME_INTERNAL_BORDER_WIDTH (f))))
1032
1033
1034 /***********************************************************************
1035                                 Frame Parameters
1036  ***********************************************************************/
1037
1038 extern Lisp_Object Qauto_raise, Qauto_lower;
1039 extern Lisp_Object Qborder_color, Qborder_width;
1040 extern Lisp_Object Qbuffer_predicate, Qbuffer_list, Qburied_buffer_list;
1041 extern Lisp_Object Qcursor_color, Qcursor_type;
1042 extern Lisp_Object Qfont;
1043 extern Lisp_Object Qbackground_color, Qforeground_color;
1044 extern Lisp_Object Qicon, Qicon_name, Qicon_type, Qicon_left, Qicon_top;
1045 extern Lisp_Object Qinternal_border_width;
1046 extern Lisp_Object Qmenu_bar_lines, Qtool_bar_lines;
1047 extern Lisp_Object Qmouse_color;
1048 extern Lisp_Object Qname, Qtitle;
1049 extern Lisp_Object Qparent_id;
1050 extern Lisp_Object Qunsplittable, Qvisibility;
1051 extern Lisp_Object Qscroll_bar_width, Qvertical_scroll_bars;
1052 extern Lisp_Object Qscroll_bar_foreground, Qscroll_bar_background;
1053 extern Lisp_Object Qscreen_gamma;
1054 extern Lisp_Object Qline_spacing;
1055 extern Lisp_Object Qwait_for_wm;
1056 extern Lisp_Object Qfullscreen;
1057 extern Lisp_Object Qfullwidth, Qfullheight, Qfullboth, Qmaximized;
1058 extern Lisp_Object Qsticky;
1059 extern Lisp_Object Qfont_backend;
1060 extern Lisp_Object Qalpha;
1061
1062 extern Lisp_Object Qleft_fringe, Qright_fringe;
1063 extern Lisp_Object Qheight, Qwidth;
1064 extern Lisp_Object Qminibuffer, Qmodeline;
1065 extern Lisp_Object Qonly;
1066 extern Lisp_Object Qx, Qw32, Qmac, Qpc, Qns;
1067 extern Lisp_Object Qvisible;
1068 extern Lisp_Object Qdisplay_type;
1069 extern Lisp_Object Qbackground_mode;
1070
1071 extern Lisp_Object Qx_resource_name;
1072
1073 extern Lisp_Object Qleft, Qright, Qtop, Qbox;
1074 extern Lisp_Object Qdisplay;
1075
1076 #ifdef HAVE_WINDOW_SYSTEM
1077
1078 /* The class of this X application.  */
1079 #define EMACS_CLASS "Emacs"
1080
1081 /* These are in xterm.c, w32term.c, etc.  */
1082
1083 extern void x_set_scroll_bar_default_width P_ ((struct frame *));
1084 extern void x_set_offset P_ ((struct frame *, int, int, int));
1085 extern void x_wm_set_icon_position P_ ((struct frame *, int, int));
1086
1087 extern Lisp_Object x_new_font P_ ((struct frame *, Lisp_Object, int));
1088
1089 /* These are in frame.c  */
1090
1091 extern Lisp_Object Vx_resource_name;
1092 extern Lisp_Object Vx_resource_class;
1093
1094
1095 extern Lisp_Object Qface_set_after_frame_default;
1096
1097 extern void x_fullscreen_adjust P_ ((struct frame *f, int *, int *,
1098                                      int *, int *));
1099
1100 extern void x_set_frame_parameters P_ ((struct frame *, Lisp_Object));
1101 extern void x_report_frame_params P_ ((struct frame *, Lisp_Object *));
1102
1103 extern void x_set_fullscreen P_ ((struct frame *, Lisp_Object, Lisp_Object));
1104 extern void x_set_line_spacing P_ ((struct frame *, Lisp_Object, Lisp_Object));
1105 extern void x_set_screen_gamma P_ ((struct frame *, Lisp_Object, Lisp_Object));
1106 extern void x_set_font P_ ((struct frame *, Lisp_Object, Lisp_Object));
1107 extern void x_set_font_backend P_ ((struct frame *, Lisp_Object, Lisp_Object));
1108 extern void x_set_fringe_width P_ ((struct frame *, Lisp_Object, Lisp_Object));
1109 extern void x_set_border_width P_ ((struct frame *, Lisp_Object, Lisp_Object));
1110 extern void x_set_internal_border_width P_ ((struct frame *, Lisp_Object,
1111                                              Lisp_Object));
1112 extern void x_set_visibility P_ ((struct frame *, Lisp_Object, Lisp_Object));
1113 extern void x_set_autoraise P_ ((struct frame *, Lisp_Object, Lisp_Object));
1114 extern void x_set_autolower P_ ((struct frame *, Lisp_Object, Lisp_Object));
1115 extern void x_set_unsplittable P_ ((struct frame *, Lisp_Object, Lisp_Object));
1116 extern void x_set_vertical_scroll_bars P_ ((struct frame *, Lisp_Object,
1117                                             Lisp_Object));
1118 extern void x_set_scroll_bar_width P_ ((struct frame *, Lisp_Object,
1119                                         Lisp_Object));
1120
1121 extern Lisp_Object x_icon_type P_ ((struct frame *));
1122
1123 extern int x_figure_window_size P_ ((struct frame *, Lisp_Object, int));
1124
1125 extern Lisp_Object Vframe_alpha_lower_limit;
1126 extern void x_set_alpha P_ ((struct frame *, Lisp_Object, Lisp_Object));
1127
1128 extern void validate_x_resource_name P_ ((void));
1129
1130 extern Lisp_Object display_x_get_resource (Display_Info *,
1131                                            Lisp_Object attribute,
1132                                            Lisp_Object class,
1133                                            Lisp_Object component,
1134                                            Lisp_Object subclass);
1135
1136 #endif /* HAVE_WINDOW_SYSTEM */
1137
1138 #endif /* not EMACS_FRAME_H */
1139
1140 /* arch-tag: 0df048ee-e6bf-4f48-bd56-e3cd055dd8c4
1141    (do not change this comment) */