src/frame.h

   1 /* Define frame-object for GNU Emacs.
   2    Copyright (C) 1993-1994, 1999-2011 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Emacs.
   5
   6 GNU Emacs is free software: you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation, either version 3 of the License, or
   9 (at your option) any later version.
  10
  11 GNU Emacs is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 /* Don't multiply include: dispextern.h includes macterm.h which
  20    includes frame.h some emacs source includes both dispextern.h and
  21    frame.h */
  22
  23 #ifndef EMACS_FRAME_H
  24 #define EMACS_FRAME_H
  25
  26 #include "dispextern.h"
  27
  28 \f
  29 /* Miscellanea.  */
  30
  31 /* Nonzero means there is at least one garbaged frame. */
  32 extern int frame_garbaged;
  33
  34 /* Nonzero means FRAME_MESSAGE_BUF (selected_frame) is being used by
  35    print.  */
  36
  37 extern int message_buf_print;
  38
  39 \f
  40 /* The structure representing a frame.  */
  41
  42 enum output_method
  43 {
  44   output_initial,
  45   output_termcap,
  46   output_x_window,
  47   output_msdos_raw,
  48   output_w32,
  49   output_mac,
  50   output_ns
  51 };
  52
  53 enum vertical_scroll_bar_type
  54 {
  55   vertical_scroll_bar_none,
  56   vertical_scroll_bar_left,
  57   vertical_scroll_bar_right
  58 };
  59
  60 enum text_cursor_kinds
  61 {
  62   DEFAULT_CURSOR = -2,
  63   NO_CURSOR = -1,
  64   FILLED_BOX_CURSOR,
  65   HOLLOW_BOX_CURSOR,
  66   BAR_CURSOR,
  67   HBAR_CURSOR
  68 };
  69
  70 enum fullscreen_type
  71 {
  72   FULLSCREEN_NONE,
  73   FULLSCREEN_WIDTH     = 0x001,
  74   FULLSCREEN_HEIGHT    = 0x002,
  75   FULLSCREEN_BOTH      = 0x003,
  76   FULLSCREEN_MAXIMIZED = 0x013,
  77   FULLSCREEN_WAIT      = 0x100
  78 };
  79
  80
  81 #define FRAME_FOREGROUND_PIXEL(f) ((f)->foreground_pixel)
  82 #define FRAME_BACKGROUND_PIXEL(f) ((f)->background_pixel)
  83
  84 struct terminal;
  85
  86 struct font_driver_list;
  87
  88 struct frame
  89 {
  90   EMACS_UINT size;
  91   struct Lisp_Vector *next;
  92
  93   /* All Lisp_Object components must come first.
  94      That ensures they are all aligned normally.  */
  95
  96   /* Name of this frame: a Lisp string.  It is used for looking up resources,
  97      as well as for the title in some cases.  */
  98   Lisp_Object name;
  99
 100   /* The name to use for the icon, the last time
 101      it was refreshed.  nil means not explicitly specified.  */
 102   Lisp_Object icon_name;
 103
 104   /* This is the frame title specified explicitly, if any.
 105      Usually it is nil.  */
 106   Lisp_Object title;
 107
 108   /* The frame which should receive keystrokes that occur in this
 109      frame, or nil if they should go to the frame itself.  This is
 110      usually nil, but if the frame is minibufferless, we can use this
 111      to redirect keystrokes to a surrogate minibuffer frame when
 112      needed.
 113
 114      Note that a value of nil is different than having the field point
 115      to the frame itself.  Whenever the Fselect_frame function is used
 116      to shift from one frame to the other, any redirections to the
 117      original frame are shifted to the newly selected frame; if
 118      focus_frame is nil, Fselect_frame will leave it alone.  */
 119   Lisp_Object focus_frame;
 120
 121   /* This frame's root window.  Every frame has one.
 122      If the frame has only a minibuffer window, this is it.
 123      Otherwise, if the frame has a minibuffer window, this is its sibling.  */
 124   Lisp_Object root_window;
 125
 126   /* This frame's selected window.
 127      Each frame has its own window hierarchy
 128      and one of the windows in it is selected within the frame.
 129      The selected window of the selected frame is Emacs's selected window.  */
 130   Lisp_Object selected_window;
 131
 132   /* This frame's minibuffer window.
 133      Most frames have their own minibuffer windows,
 134      but only the selected frame's minibuffer window
 135      can actually appear to exist.  */
 136   Lisp_Object minibuffer_window;
 137
 138   /* Parameter alist of this frame.
 139      These are the parameters specified when creating the frame
 140      or modified with modify-frame-parameters.  */
 141   Lisp_Object param_alist;
 142
 143   /* List of scroll bars on this frame.
 144      Actually, we don't specify exactly what is stored here at all; the
 145      scroll bar implementation code can use it to store anything it likes.
 146      This field is marked by the garbage collector.  It is here
 147      instead of in the `device' structure so that the garbage
 148      collector doesn't need to look inside the window-system-dependent
 149      structure.  */
 150   Lisp_Object scroll_bars;
 151   Lisp_Object condemned_scroll_bars;
 152
 153   /* Vector describing the items to display in the menu bar.
 154      Each item has four elements in this vector.
 155      They are KEY, STRING, SUBMAP, and HPOS.
 156      (HPOS is not used in when the X toolkit is in use.)
 157      There are four additional elements of nil at the end, to terminate.  */
 158   Lisp_Object menu_bar_items;
 159
 160   /* Alist of elements (FACE-NAME . FACE-VECTOR-DATA).  */
 161   Lisp_Object face_alist;
 162
 163   /* A vector that records the entire structure of this frame's menu bar.
 164      For the format of the data, see extensive comments in xmenu.c.
 165      Only the X toolkit version uses this.  */
 166   Lisp_Object menu_bar_vector;
 167
 168   /* Predicate for selecting buffers for other-buffer.  */
 169   Lisp_Object buffer_predicate;
 170
 171   /* List of buffers viewed in this frame, for other-buffer.  */
 172   Lisp_Object buffer_list;
 173
 174   /* List of buffers that were viewed, then buried in this frame.  The
 175      most recently buried buffer is first.  For last-buffer.  */
 176   Lisp_Object buried_buffer_list;
 177
 178   /* A dummy window used to display menu bars under X when no X
 179      toolkit support is available.  */
 180   Lisp_Object menu_bar_window;
 181
 182   /* A window used to display the tool-bar of a frame.  */
 183   Lisp_Object tool_bar_window;
 184
 185   /* Desired and current tool-bar items.  */
 186   Lisp_Object tool_bar_items;
 187
 188   /* Where tool bar is, can be left, right, top or bottom.  The native
 189      tool bar only supports top.  */
 190   Lisp_Object tool_bar_position;
 191
 192   /* Desired and current contents displayed in tool_bar_window.  */
 193   Lisp_Object desired_tool_bar_string, current_tool_bar_string;
 194
 195   /* Beyond here, there should be no more Lisp_Object components.  */
 196
 197   /* Cache of realized faces.  */
 198   struct face_cache *face_cache;
 199
 200   /* Number of elements in `menu_bar_vector' that have meaningful data.  */
 201   EMACS_INT menu_bar_items_used;
 202
 203   /* A buffer to hold the frame's name.  We can't use the Lisp
 204      string's pointer (`name', above) because it might get relocated.  */
 205   char *namebuf;
 206
 207   /* Glyph pool and matrix. */
 208   struct glyph_pool *current_pool;
 209   struct glyph_pool *desired_pool;
 210   struct glyph_matrix *desired_matrix;
 211   struct glyph_matrix *current_matrix;
 212
 213   /* 1 means that glyphs on this frame have been initialized so it can
 214      be used for output.  */
 215   unsigned glyphs_initialized_p : 1;
 216
 217   /* Set to non-zero in change_frame_size when size of frame changed
 218      Clear the frame in clear_garbaged_frames if set.  */
 219   unsigned resized_p : 1;
 220
 221   /* Set to non-zero in when we want for force a flush_display in
 222      update_frame, usually after resizing the frame.  */
 223   unsigned force_flush_display_p : 1;
 224
 225   /* Set to non-zero if the default face for the frame has been
 226      realized.  Reset to zero whenever the default face changes.
 227      Used to see the difference between a font change and face change.  */
 228   unsigned default_face_done_p : 1;
 229
 230   /* Set to non-zero if this frame has already been hscrolled during
 231      current redisplay.  */
 232   unsigned already_hscrolled_p : 1;
 233
 234   /* Set to non-zero when current redisplay has updated frame.  */
 235   unsigned updated_p : 1;
 236
 237   /* Set to non-zero to minimize tool-bar height even when
 238      auto-resize-tool-bar is set to grow-only.  */
 239   unsigned minimize_tool_bar_window_p : 1;
 240
 241 #if defined (USE_GTK) || defined (HAVE_NS)
 242   /* Nonzero means using a tool bar that comes from the toolkit.  */
 243   int external_tool_bar;
 244 #endif
 245
 246   /* Margin at the top of the frame.  Used to display the tool-bar.  */
 247   int tool_bar_lines;
 248
 249   int n_tool_bar_rows;
 250   int n_tool_bar_items;
 251
 252   /* A buffer for decode_mode_line. */
 253   char *decode_mode_spec_buffer;
 254
 255   /* See do_line_insertion_deletion_costs for info on these arrays. */
 256   /* Cost of inserting 1 line on this frame */
 257   int *insert_line_cost;
 258   /* Cost of deleting 1 line on this frame */
 259   int *delete_line_cost;
 260   /* Cost of inserting n lines on this frame */
 261   int *insert_n_lines_cost;
 262   /* Cost of deleting n lines on this frame */
 263   int *delete_n_lines_cost;
 264
 265   /* Size of this frame, excluding fringes, scroll bars etc.,
 266      in units of canonical characters.  */
 267   EMACS_INT text_lines, text_cols;
 268
 269   /* Total size of this frame (i.e. its native window), in units of
 270      canonical characters.  */
 271   EMACS_INT total_lines, total_cols;
 272
 273   /* New text height and width for pending size change.
 274      0 if no change pending.  */
 275   int new_text_lines, new_text_cols;
 276
 277   /* Pixel position of the frame window (x and y offsets in root window).  */
 278   int left_pos, top_pos;
 279
 280   /* Size of the frame window in pixels.  */
 281   int pixel_height, pixel_width;
 282
 283   /* Dots per inch of the screen the frame is on.  */
 284   double resx, resy;
 285
 286   /* These many pixels are the difference between the outer window (i.e. the
 287      left and top of the window manager decoration) and FRAME_X_WINDOW. */
 288   int x_pixels_diff, y_pixels_diff;
 289
 290   /* This is the gravity value for the specified window position.  */
 291   int win_gravity;
 292
 293   /* The geometry flags for this window.  */
 294   int size_hint_flags;
 295
 296   /* Border width of the frame window as known by the (X) window system.  */
 297   int border_width;
 298
 299   /* Width of the internal border.  This is a line of background color
 300      just inside the window's border.  When the frame is selected,
 301      a highlighting is displayed inside the internal border.  */
 302   int internal_border_width;
 303
 304   /* Canonical X unit.  Width of default font, in pixels.  */
 305   int column_width;
 306
 307   /* Width of space glyph of default font, in pixels.  */
 308   int space_width;
 309
 310   /* Canonical Y unit.  Height of a line, in pixels.  */
 311   int line_height;
 312
 313   /* The output method says how the contents of this frame are
 314      displayed.  It could be using termcap, or using an X window.
 315      This must be the same as the terminal->type. */
 316   enum output_method output_method;
 317
 318   /* The terminal device that this frame uses.  If this is NULL, then
 319      the frame has been deleted. */
 320   struct terminal *terminal;
 321
 322   /* Device-dependent, frame-local auxiliary data used for displaying
 323      the contents.  When the frame is deleted, this data is deleted as
 324      well. */
 325   union output_data
 326   {
 327     struct tty_output *tty;     /* termchar.h */
 328     struct x_output *x;         /* xterm.h */
 329     struct w32_output *w32;     /* w32term.h */
 330     struct ns_output *ns;       /* nsterm.h */
 331     EMACS_INT nothing;
 332   }
 333   output_data;
 334
 335   /* List of font-drivers available on the frame. */
 336   struct font_driver_list *font_driver_list;
 337   /* List of data specific to font-driver and frame, but common to
 338      faces.  */
 339   struct font_data_list *font_data_list;
 340
 341   /* Total width of fringes reserved for drawing truncation bitmaps,
 342      continuation bitmaps and alike.  The width is in canonical char
 343      units of the frame.  This must currently be the case because window
 344      sizes aren't pixel values.  If it weren't the case, we wouldn't be
 345      able to split windows horizontally nicely.  */
 346   int fringe_cols;
 347
 348   /* The extra width (in pixels) currently allotted for fringes.  */
 349   int left_fringe_width, right_fringe_width;
 350
 351   /* See FULLSCREEN_ enum below */
 352   enum fullscreen_type want_fullscreen;
 353
 354   /* Number of lines of menu bar.  */
 355   int menu_bar_lines;
 356
 357 #if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI) \
 358     || defined (HAVE_NS) || defined (USE_GTK)
 359   /* Nonzero means using a menu bar that comes from the X toolkit.  */
 360   unsigned int external_menu_bar : 1;
 361 #endif
 362
 363   /* Nonzero if last attempt at redisplay on this frame was preempted.  */
 364   unsigned char display_preempted : 1;
 365
 366   /* visible is nonzero if the frame is currently displayed; we check
 367      it to see if we should bother updating the frame's contents.
 368      DON'T SET IT DIRECTLY; instead, use FRAME_SET_VISIBLE.
 369
 370      Note that, since invisible frames aren't updated, whenever a
 371      frame becomes visible again, it must be marked as garbaged.  The
 372      FRAME_SAMPLE_VISIBILITY macro takes care of this.
 373
 374      On ttys and on Windows NT/9X, to avoid wasting effort updating
 375      visible frames that are actually completely obscured by other
 376      windows on the display, we bend the meaning of visible slightly:
 377      if greater than 1, then the frame is obscured - we still consider
 378      it to be "visible" as seen from lisp, but we don't bother
 379      updating it.  We must take care to garbage the frame when it
 380      ceaces to be obscured though.
 381
 382      iconified is nonzero if the frame is currently iconified.
 383
 384      Asynchronous input handlers should NOT change these directly;
 385      instead, they should change async_visible or async_iconified, and
 386      let the FRAME_SAMPLE_VISIBILITY macro set visible and iconified
 387      at the next redisplay.
 388
 389      These should probably be considered read-only by everyone except
 390      FRAME_SAMPLE_VISIBILITY.
 391
 392      These two are mutually exclusive.  They might both be zero, if the
 393      frame has been made invisible without an icon.  */
 394   unsigned char visible : 2;
 395   unsigned char iconified : 1;
 396
 397   /* Let's not use bitfields for volatile variables.  */
 398
 399   /* Asynchronous input handlers change these, and
 400      FRAME_SAMPLE_VISIBILITY copies them into visible and iconified.
 401      See FRAME_SAMPLE_VISIBILITY, below.  */
 402   volatile char async_visible, async_iconified;
 403
 404   /* Nonzero if this frame should be redrawn.  */
 405   volatile char garbaged;
 406
 407   /* True if frame actually has a minibuffer window on it.
 408      0 if using a minibuffer window that isn't on this frame.  */
 409   unsigned char has_minibuffer : 1;
 410
 411   /* 0 means, if this frame has just one window,
 412      show no modeline for that window.  */
 413   unsigned char wants_modeline : 1;
 414
 415   /* Non-zero if the hardware device this frame is displaying on can
 416      support scroll bars.  */
 417   char can_have_scroll_bars;
 418
 419   /* Non-0 means raise this frame to the top of the heap when selected.  */
 420   unsigned char auto_raise : 1;
 421
 422   /* Non-0 means lower this frame to the bottom of the stack when left.  */
 423   unsigned char auto_lower : 1;
 424
 425   /* True if frame's root window can't be split.  */
 426   unsigned char no_split : 1;
 427
 428   /* If this is set, then Emacs won't change the frame name to indicate
 429      the current buffer, etcetera.  If the user explicitly sets the frame
 430      name, this gets set.  If the user sets the name to Qnil, this is
 431      cleared.  */
 432   unsigned char explicit_name : 1;
 433
 434   /* Nonzero if size of some window on this frame has changed.  */
 435   unsigned char window_sizes_changed : 1;
 436
 437   /* Nonzero if the mouse has moved on this display device
 438      since the last time we checked.  */
 439   unsigned char mouse_moved :1;
 440
 441   /* Nonzero means that the pointer is invisible. */
 442   unsigned char pointer_invisible :1;
 443
 444   /* If can_have_scroll_bars is non-zero, this is non-zero if we should
 445      actually display them on this frame.  */
 446   enum vertical_scroll_bar_type vertical_scroll_bar_type;
 447
 448   /* What kind of text cursor should we draw in the future?
 449      This should always be filled_box_cursor or bar_cursor.  */
 450   enum text_cursor_kinds desired_cursor;
 451
 452   /* Width of bar cursor (if we are using that).  */
 453   int cursor_width;
 454
 455   /* What kind of text cursor should we draw when the cursor blinks off?
 456      This can be filled_box_cursor or bar_cursor or no_cursor.  */
 457   enum text_cursor_kinds blink_off_cursor;
 458
 459   /* Width of bar cursor (if we are using that) for blink-off state.  */
 460   int blink_off_cursor_width;
 461
 462   /* Storage for messages to this frame. */
 463   char *message_buf;
 464
 465   /* Nonnegative if current redisplay should not do scroll computation
 466      for lines beyond a certain vpos.  This is the vpos.  */
 467   int scroll_bottom_vpos;
 468
 469   /* Configured width of the scroll bar, in pixels and in characters.
 470      config_scroll_bar_cols tracks config_scroll_bar_width if the
 471      latter is positive; a zero value in config_scroll_bar_width means
 472      to compute the actual width on the fly, using config_scroll_bar_cols
 473      and the current font width.  */
 474   int config_scroll_bar_width;
 475   int config_scroll_bar_cols;
 476
 477   /* The size of the extra width currently allotted for vertical
 478      scroll bars in this frame, in pixels.  */
 479   int scroll_bar_actual_width;
 480
 481   /* The baud rate that was used to calculate costs for this frame.  */
 482   int cost_calculation_baud_rate;
 483
 484   /* frame opacity
 485      alpha[0]: alpha transparency of the active frame
 486      alpha[1]: alpha transparency of inactive frames
 487      Negative values mean not to change alpha.  */
 488   double alpha[2];
 489
 490   /* Exponent for gamma correction of colors.  1/(VIEWING_GAMMA *
 491      SCREEN_GAMMA) where viewing_gamma is 0.4545 and SCREEN_GAMMA is a
 492      frame parameter.  0 means don't do gamma correction.  */
 493   double gamma;
 494
 495   /* Additional space to put between text lines on this frame.  */
 496   int extra_line_spacing;
 497
 498   /* All display backends seem to need these two pixel values. */
 499   unsigned long background_pixel;
 500   unsigned long foreground_pixel;
 501 };
 502
 503 #define FRAME_KBOARD(f) ((f)->terminal->kboard)
 504
 505 /* Return a pointer to the image cache of frame F.  */
 506 #define FRAME_IMAGE_CACHE(F) ((F)->terminal->image_cache)
 507
 508 typedef struct frame *FRAME_PTR;
 509
 510 #define XFRAME(p) (eassert (FRAMEP(p)),(struct frame *) XPNTR (p))
 511 #define XSETFRAME(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_FRAME))
 512
 513 /* Given a window, return its frame as a Lisp_Object.  */
 514 #define WINDOW_FRAME(w) (w)->frame
 515
 516 /* Test a frame for particular kinds of display methods.  */
 517 #define FRAME_INITIAL_P(f) ((f)->output_method == output_initial)
 518 #define FRAME_TERMCAP_P(f) ((f)->output_method == output_termcap)
 519 #define FRAME_X_P(f) ((f)->output_method == output_x_window)
 520 #define FRAME_W32_P(f) ((f)->output_method == output_w32)
 521 #define FRAME_MSDOS_P(f) ((f)->output_method == output_msdos_raw)
 522 #define FRAME_MAC_P(f) ((f)->output_method == output_mac)
 523 #define FRAME_NS_P(f) ((f)->output_method == output_ns)
 524
 525 /* FRAME_WINDOW_P tests whether the frame is a window, and is
 526    defined to be the predicate for the window system being used.  */
 527
 528 #ifdef HAVE_X_WINDOWS
 529 #define FRAME_WINDOW_P(f) FRAME_X_P (f)
 530 #endif
 531 #ifdef HAVE_NTGUI
 532 #define FRAME_WINDOW_P(f) FRAME_W32_P (f)
 533 #endif
 534 #ifdef HAVE_NS
 535 #define FRAME_WINDOW_P(f) FRAME_NS_P(f)
 536 #endif
 537 #ifndef FRAME_WINDOW_P
 538 #define FRAME_WINDOW_P(f) (0)
 539 #endif
 540
 541 /* Return a pointer to the structure holding information about the
 542    region of text, if any, that is currently shown in mouse-face on
 543    frame F.  We need to define two versions because a TTY-only build
 544    does not have FRAME_X_DISPLAY_INFO.  */
 545 #ifdef HAVE_WINDOW_SYSTEM
 546 # define MOUSE_HL_INFO(F)                                       \
 547    (FRAME_WINDOW_P(F)                                           \
 548     ? &(FRAME_X_DISPLAY_INFO(F)->mouse_highlight)               \
 549     : &(((F)->output_data.tty->display_info)->mouse_highlight))
 550 #else
 551 # define MOUSE_HL_INFO(F)                                       \
 552     (&(((F)->output_data.tty->display_info)->mouse_highlight))
 553 #endif
 554
 555 /* Nonzero if frame F is still alive (not deleted).  */
 556 #define FRAME_LIVE_P(f) ((f)->terminal != 0)
 557
 558 /* Nonzero if frame F is a minibuffer-only frame.  */
 559 #define FRAME_MINIBUF_ONLY_P(f) \
 560   EQ (FRAME_ROOT_WINDOW (f), FRAME_MINIBUF_WINDOW (f))
 561
 562 /* Nonzero if frame F contains a minibuffer window.
 563    (If this is 0, F must use some other minibuffer window.)  */
 564 #define FRAME_HAS_MINIBUF_P(f) ((f)->has_minibuffer)
 565
 566 /* Pixel height of frame F, including non-toolkit menu bar and
 567    non-toolkit tool bar lines.  */
 568 #define FRAME_PIXEL_HEIGHT(f) ((f)->pixel_height)
 569
 570 /* Pixel width of frame F.  */
 571 #define FRAME_PIXEL_WIDTH(f) ((f)->pixel_width)
 572
 573 /* Height of frame F, measured in canonical lines, including
 574    non-toolkit menu bar and non-toolkit tool bar lines.  */
 575 #define FRAME_LINES(f) (f)->text_lines
 576
 577 /* Width of frame F, measured in canonical character columns,
 578    not including scroll bars if any.  */
 579 #define FRAME_COLS(f) (f)->text_cols
 580
 581 /* Number of lines of frame F used for menu bar.
 582    This is relevant on terminal frames and on
 583    X Windows when not using the X toolkit.
 584    These lines are counted in FRAME_LINES.  */
 585 #define FRAME_MENU_BAR_LINES(f) (f)->menu_bar_lines
 586
 587 /* Nonzero if this frame should display a tool bar
 588    in a way that does not use any text lines.  */
 589 #if defined (USE_GTK) || defined (HAVE_NS)
 590 #define FRAME_EXTERNAL_TOOL_BAR(f) (f)->external_tool_bar
 591 #else
 592 #define FRAME_EXTERNAL_TOOL_BAR(f) 0
 593 #endif
 594
 595 /* Number of lines of frame F used for the tool-bar.  */
 596
 597 #define FRAME_TOOL_BAR_LINES(f) (f)->tool_bar_lines
 598
 599
 600 /* Lines above the top-most window in frame F.  */
 601
 602 #define FRAME_TOP_MARGIN(F) \
 603      (FRAME_MENU_BAR_LINES (F) + FRAME_TOOL_BAR_LINES (F))
 604
 605 /* Pixel height of the top margin above.  */
 606
 607 #define FRAME_TOP_MARGIN_HEIGHT(f) \
 608   (FRAME_TOP_MARGIN (f) * FRAME_LINE_HEIGHT (f))
 609
 610 /* Nonzero if this frame should display a menu bar
 611    in a way that does not use any text lines.  */
 612 #if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI) \
 613      || defined (HAVE_NS) || defined (USE_GTK)
 614 #define FRAME_EXTERNAL_MENU_BAR(f) (f)->external_menu_bar
 615 #else
 616 #define FRAME_EXTERNAL_MENU_BAR(f) 0
 617 #endif
 618 #define FRAME_VISIBLE_P(f) ((f)->visible != 0)
 619
 620 /* Nonzero if frame F is currently visible but hidden.  */
 621 #define FRAME_OBSCURED_P(f) ((f)->visible > 1)
 622
 623 /* Nonzero if frame F is currently iconified.  */
 624 #define FRAME_ICONIFIED_P(f) (f)->iconified
 625
 626 #define FRAME_SET_VISIBLE(f,p) \
 627   ((f)->async_visible = (p), FRAME_SAMPLE_VISIBILITY (f))
 628 #define SET_FRAME_GARBAGED(f) (frame_garbaged = 1, f->garbaged = 1)
 629 #define FRAME_GARBAGED_P(f) (f)->garbaged
 630
 631 /* Nonzero means do not allow splitting this frame's window.  */
 632 #define FRAME_NO_SPLIT_P(f) (f)->no_split
 633
 634 /* Not really implemented.  */
 635 #define FRAME_WANTS_MODELINE_P(f) (f)->wants_modeline
 636
 637 /* Nonzero if a size change has been requested for frame F
 638    but not yet really put into effect.  This can be true temporarily
 639    when an X event comes in at a bad time.  */
 640 #define FRAME_WINDOW_SIZES_CHANGED(f) (f)->window_sizes_changed
 641
 642 /* The minibuffer window of frame F, if it has one; otherwise nil.  */
 643 #define FRAME_MINIBUF_WINDOW(f) (f)->minibuffer_window
 644
 645 /* The root window of the window tree of frame F.  */
 646 #define FRAME_ROOT_WINDOW(f) (f)->root_window
 647
 648 /* The currently selected window of the window tree of frame F.  */
 649 #define FRAME_SELECTED_WINDOW(f) (f)->selected_window
 650
 651 #define FRAME_INSERT_COST(f) (f)->insert_line_cost
 652 #define FRAME_DELETE_COST(f) (f)->delete_line_cost
 653 #define FRAME_INSERTN_COST(f) (f)->insert_n_lines_cost
 654 #define FRAME_DELETEN_COST(f) (f)->delete_n_lines_cost
 655 #define FRAME_MESSAGE_BUF(f) (f)->message_buf
 656 #define FRAME_SCROLL_BOTTOM_VPOS(f) (f)->scroll_bottom_vpos
 657 #define FRAME_FOCUS_FRAME(f) (f)->focus_frame
 658
 659 /* Nonzero if frame F supports scroll bars.
 660    If this is zero, then it is impossible to enable scroll bars
 661    on frame F.  */
 662 #define FRAME_CAN_HAVE_SCROLL_BARS(f) ((f)->can_have_scroll_bars)
 663
 664 /* This frame slot says whether scroll bars are currently enabled for frame F,
 665    and which side they are on.  */
 666 #define FRAME_VERTICAL_SCROLL_BAR_TYPE(f) ((f)->vertical_scroll_bar_type)
 667 #define FRAME_HAS_VERTICAL_SCROLL_BARS(f) \
 668      ((f)->vertical_scroll_bar_type != vertical_scroll_bar_none)
 669 #define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT(f) \
 670      ((f)->vertical_scroll_bar_type == vertical_scroll_bar_left)
 671 #define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT(f) \
 672      ((f)->vertical_scroll_bar_type == vertical_scroll_bar_right)
 673
 674 /* Width that a scroll bar in frame F should have, if there is one.
 675    Measured in pixels.
 676    If scroll bars are turned off, this is still nonzero.  */
 677 #define FRAME_CONFIG_SCROLL_BAR_WIDTH(f) ((f)->config_scroll_bar_width)
 678
 679 /* Width that a scroll bar in frame F should have, if there is one.
 680    Measured in columns (characters).
 681    If scroll bars are turned off, this is still nonzero.  */
 682 #define FRAME_CONFIG_SCROLL_BAR_COLS(f) ((f)->config_scroll_bar_cols)
 683
 684 /* Width of a scroll bar in frame F, measured in columns (characters),
 685    but only if scroll bars are on the left.  If scroll bars are on
 686    the right in this frame, or there are no scroll bars, value is 0.  */
 687
 688 #define FRAME_LEFT_SCROLL_BAR_COLS(f)                   \
 689      (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)        \
 690       ? FRAME_CONFIG_SCROLL_BAR_COLS (f)                \
 691       : 0)
 692
 693 /* Width of a left scroll bar in frame F, measured in pixels */
 694
 695 #define FRAME_LEFT_SCROLL_BAR_AREA_WIDTH(f)                                     \
 696   (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)                           \
 697    ? (FRAME_CONFIG_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f))        \
 698    : 0)
 699
 700 /* Width of a scroll bar in frame F, measured in columns (characters),
 701    but only if scroll bars are on the right.  If scroll bars are on
 702    the left in this frame, or there are no scroll bars, value is 0.  */
 703
 704 #define FRAME_RIGHT_SCROLL_BAR_COLS(f)                  \
 705      (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)       \
 706       ? FRAME_CONFIG_SCROLL_BAR_COLS (f)                \
 707       : 0)
 708
 709 /* Width of a right scroll bar area in frame F, measured in pixels */
 710
 711 #define FRAME_RIGHT_SCROLL_BAR_AREA_WIDTH(f)                                    \
 712   (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)                          \
 713    ? (FRAME_CONFIG_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f))        \
 714    : 0)
 715
 716 /* Actual width of a scroll bar in frame F, measured in columns.  */
 717
 718 #define FRAME_SCROLL_BAR_COLS(f)                        \
 719      (FRAME_HAS_VERTICAL_SCROLL_BARS (f)                \
 720       ? FRAME_CONFIG_SCROLL_BAR_COLS (f)                \
 721       : 0)
 722
 723 /* Actual width of a scroll bar area in frame F, measured in pixels.  */
 724
 725 #define FRAME_SCROLL_BAR_AREA_WIDTH(f)                                  \
 726   (FRAME_HAS_VERTICAL_SCROLL_BARS (f)                                   \
 727    ? (FRAME_CONFIG_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f))        \
 728    : 0)
 729
 730 /* Total width of frame F, in columns (characters),
 731    including the width used by scroll bars if any.  */
 732
 733 #define FRAME_TOTAL_COLS(f) ((f)->total_cols)
 734
 735 /* Set the width of frame F to VAL.
 736    VAL is the width of a full-frame window,
 737    not including scroll bars and fringes.  */
 738
 739 #define SET_FRAME_COLS(f, val)                                          \
 740      (FRAME_COLS (f) = (val),                                           \
 741       (f)->total_cols = FRAME_TOTAL_COLS_ARG (f, FRAME_COLS (f)))
 742
 743 /* Given a value WIDTH for frame F's nominal width,
 744    return the value that FRAME_TOTAL_COLS should have.  */
 745
 746 #define FRAME_TOTAL_COLS_ARG(f, width)          \
 747      ((width)                                   \
 748       + FRAME_SCROLL_BAR_COLS (f)               \
 749       + FRAME_FRINGE_COLS (f))
 750
 751 /* Maximum + 1 legitimate value for FRAME_CURSOR_X.  */
 752
 753 #define FRAME_CURSOR_X_LIMIT(f) \
 754      (FRAME_COLS (f) + FRAME_LEFT_SCROLL_BAR_COLS (f))
 755
 756 /* Nonzero if frame F has scroll bars.  */
 757
 758 #define FRAME_SCROLL_BARS(f) ((f)->scroll_bars)
 759
 760 #define FRAME_CONDEMNED_SCROLL_BARS(f) ((f)->condemned_scroll_bars)
 761 #define FRAME_MENU_BAR_ITEMS(f) ((f)->menu_bar_items)
 762 #define FRAME_COST_BAUD_RATE(f) ((f)->cost_calculation_baud_rate)
 763
 764 #define FRAME_DESIRED_CURSOR(f) ((f)->desired_cursor)
 765 #define FRAME_BLINK_OFF_CURSOR(f) ((f)->blink_off_cursor)
 766 #define FRAME_CURSOR_WIDTH(f) ((f)->cursor_width)
 767 #define FRAME_BLINK_OFF_CURSOR_WIDTH(f) ((f)->blink_off_cursor_width)
 768
 769 /* Return a pointer to the face cache of frame F.  */
 770
 771 #define FRAME_FACE_CACHE(F)     (F)->face_cache
 772
 773 /* Return the size of message_buf of the frame F.  We multiply the
 774    width of the frame by 4 because multi-byte form may require at most
 775    4-byte for a character.  */
 776
 777 #define FRAME_MESSAGE_BUF_SIZE(f) (((int) FRAME_COLS (f)) * 4)
 778
 779 /* Emacs's redisplay code could become confused if a frame's
 780    visibility changes at arbitrary times.  For example, if a frame is
 781    visible while the desired glyphs are being built, but becomes
 782    invisible before they are updated, then some rows of the
 783    desired_glyphs will be left marked as enabled after redisplay is
 784    complete, which should never happen.  The next time the frame
 785    becomes visible, redisplay will probably barf.
 786
 787    Currently, there are no similar situations involving iconified, but
 788    the principle is the same.
 789
 790    So instead of having asynchronous input handlers directly set and
 791    clear the frame's visibility and iconification flags, they just set
 792    the async_visible and async_iconified flags; the redisplay code
 793    calls the FRAME_SAMPLE_VISIBILITY macro before doing any redisplay,
 794    which sets visible and iconified from their asynchronous
 795    counterparts.
 796
 797    Synchronous code must use the FRAME_SET_VISIBLE macro.
 798
 799    Also, if a frame used to be invisible, but has just become visible,
 800    it must be marked as garbaged, since redisplay hasn't been keeping
 801    up its contents.
 802
 803    Note that a tty frame is visible if and only if it is the topmost
 804    frame. */
 805
 806 #define FRAME_SAMPLE_VISIBILITY(f) \
 807   (((f)->async_visible && (f)->visible != (f)->async_visible) ? \
 808    SET_FRAME_GARBAGED (f) : 0, \
 809    (f)->visible = (f)->async_visible, \
 810    (f)->iconified = (f)->async_iconified)
 811
 812 #define CHECK_FRAME(x) \
 813   CHECK_TYPE (FRAMEP (x), Qframep, x)
 814
 815 #define CHECK_LIVE_FRAME(x) \
 816   CHECK_TYPE (FRAMEP (x) && FRAME_LIVE_P (XFRAME (x)), Qframe_live_p, x)
 817
 818 /* FOR_EACH_FRAME (LIST_VAR, FRAME_VAR) followed by a statement is a
 819    `for' loop which iterates over the elements of Vframe_list.  The
 820    loop will set FRAME_VAR, a Lisp_Object, to each frame in
 821    Vframe_list in succession and execute the statement.  LIST_VAR
 822    should be a Lisp_Object too; it is used to iterate through the
 823    Vframe_list.
 824
 825    This macro is a holdover from a time when multiple frames weren't always
 826    supported.  An alternate definition of the macro would expand to
 827    something which executes the statement once.  */
 828
 829 #define FOR_EACH_FRAME(list_var, frame_var)                     \
 830   for ((list_var) = Vframe_list;                                \
 831        (CONSP (list_var)                                        \
 832         && (frame_var = XCAR (list_var), 1));           \
 833        list_var = XCDR (list_var))
 834
 835
 836 extern Lisp_Object Qframep, Qframe_live_p;
 837 extern Lisp_Object Qtty, Qtty_type;
 838 extern Lisp_Object Qtty_color_mode;
 839 extern Lisp_Object Qterminal, Qterminal_live_p;
 840 extern Lisp_Object Qnoelisp;
 841
 842 extern struct frame *last_nonminibuf_frame;
 843
 844 extern void set_menu_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
 845 extern struct frame *make_initial_frame (void);
 846 extern struct frame *make_terminal_frame (struct terminal *);
 847 extern struct frame *make_frame (int);
 848 #ifdef HAVE_WINDOW_SYSTEM
 849 extern struct frame *make_minibuffer_frame (void);
 850 extern struct frame *make_frame_without_minibuffer (Lisp_Object,
 851                                                     struct kboard *,
 852                                                     Lisp_Object);
 853 #endif /* HAVE_WINDOW_SYSTEM */
 854 extern int other_visible_frames (struct frame *);
 855 extern void frame_make_pointer_invisible (void);
 856 extern void frame_make_pointer_visible (void);
 857 extern Lisp_Object delete_frame (Lisp_Object, Lisp_Object);
 858
 859 extern Lisp_Object Vframe_list;
 860 \f
 861 /* The currently selected frame.  */
 862
 863 extern Lisp_Object selected_frame;
 864
 865 /* Value is a pointer to the selected frame.  If the selected frame
 866    isn't live, abort.  */
 867
 868 #define SELECTED_FRAME()                                \
 869      ((FRAMEP (selected_frame)                          \
 870        && FRAME_LIVE_P (XFRAME (selected_frame)))       \
 871       ? XFRAME (selected_frame)                         \
 872       : (abort (), (struct frame *) 0))
 873
 874 \f
 875 /***********************************************************************
 876                         Display-related Macros
 877  ***********************************************************************/
 878
 879 /* Canonical y-unit on frame F.
 880    This value currently equals the line height of the frame (which is
 881    the height of the default font of F).  */
 882
 883 #define FRAME_LINE_HEIGHT(F) ((F)->line_height)
 884
 885 /* Canonical x-unit on frame F.
 886    This value currently equals the average width of the default font of F.  */
 887
 888 #define FRAME_COLUMN_WIDTH(F) ((F)->column_width)
 889
 890 /* Space glyph width of the default font of frame F.  */
 891
 892 #define FRAME_SPACE_WIDTH(F) ((F)->space_width)
 893
 894
 895 /* Pixel width of areas used to display truncation marks, continuation
 896    marks, overlay arrows.  This is 0 for terminal frames.  */
 897
 898 #ifdef HAVE_WINDOW_SYSTEM
 899
 900 /* Total width of fringes reserved for drawing truncation bitmaps,
 901    continuation bitmaps and alike.  The width is in canonical char
 902    units of the frame.  This must currently be the case because window
 903    sizes aren't pixel values.  If it weren't the case, we wouldn't be
 904    able to split windows horizontally nicely.  */
 905
 906 #define FRAME_FRINGE_COLS(F) ((F)->fringe_cols)
 907
 908 /* Pixel-width of the left and right fringe.  */
 909
 910 #define FRAME_LEFT_FRINGE_WIDTH(F) ((F)->left_fringe_width)
 911 #define FRAME_RIGHT_FRINGE_WIDTH(F) ((F)->right_fringe_width)
 912
 913 /* Total width of fringes in pixels.  */
 914
 915 #define FRAME_TOTAL_FRINGE_WIDTH(F) \
 916   (FRAME_LEFT_FRINGE_WIDTH (F) + FRAME_RIGHT_FRINGE_WIDTH (F))
 917
 918
 919 /* Pixel-width of internal border lines */
 920
 921 #define FRAME_INTERNAL_BORDER_WIDTH(F) ((F)->internal_border_width)
 922
 923 #else /* not HAVE_WINDOW_SYSTEM */
 924
 925 #define FRAME_FRINGE_COLS(F)    0
 926 #define FRAME_TOTAL_FRINGE_WIDTH(F)     0
 927 #define FRAME_LEFT_FRINGE_WIDTH(F)  0
 928 #define FRAME_RIGHT_FRINGE_WIDTH(F) 0
 929 #define FRAME_INTERNAL_BORDER_WIDTH(F) 0
 930
 931 #endif /* not HAVE_WINDOW_SYSTEM */
 932
 933
 934
 935 \f
 936 /***********************************************************************
 937             Conversion between canonical units and pixels
 938  ***********************************************************************/
 939
 940 /* Canonical x-values are fractions of FRAME_COLUMN_WIDTH, canonical
 941    y-unit are fractions of FRAME_LINE_HEIGHT of a frame.  Both are
 942    represented as Lisp numbers, i.e. integers or floats.  */
 943
 944 /* Convert canonical value X to pixels.  F is the frame whose
 945    canonical char width is to be used.  X must be a Lisp integer or
 946    float.  Value is a C integer.  */
 947
 948 #define FRAME_PIXEL_X_FROM_CANON_X(F, X)                \
 949      (INTEGERP (X)                                      \
 950       ? XINT (X) * FRAME_COLUMN_WIDTH (F)               \
 951       : (int) (XFLOAT_DATA (X) * FRAME_COLUMN_WIDTH (F)))
 952
 953 /* Convert canonical value Y to pixels.  F is the frame whose
 954    canonical character height is to be used.  X must be a Lisp integer
 955    or float.  Value is a C integer.  */
 956
 957 #define FRAME_PIXEL_Y_FROM_CANON_Y(F, Y)                \
 958      (INTEGERP (Y)                                      \
 959       ? XINT (Y) * FRAME_LINE_HEIGHT (F)                \
 960       : (int) (XFLOAT_DATA (Y) * FRAME_LINE_HEIGHT (F)))
 961
 962 /* Convert pixel-value X to canonical units.  F is the frame whose
 963    canonical character width is to be used.  X is a C integer.  Result
 964    is a Lisp float if X is not a multiple of the canon width,
 965    otherwise it's a Lisp integer.  */
 966
 967 #define FRAME_CANON_X_FROM_PIXEL_X(F, X)                        \
 968      ((X) % FRAME_COLUMN_WIDTH (F) != 0                         \
 969       ? make_float ((double) (X) / FRAME_COLUMN_WIDTH (F))      \
 970       : make_number ((X) / FRAME_COLUMN_WIDTH (F)))
 971
 972 /* Convert pixel-value Y to canonical units.  F is the frame whose
 973    canonical character height is to be used.  Y is a C integer.
 974    Result is a Lisp float if Y is not a multiple of the canon width,
 975    otherwise it's a Lisp integer.  */
 976
 977 #define FRAME_CANON_Y_FROM_PIXEL_Y(F, Y)                        \
 978      ((Y) % FRAME_LINE_HEIGHT (F)                               \
 979       ? make_float ((double) (Y) / FRAME_LINE_HEIGHT (F))       \
 980       : make_number ((Y) / FRAME_LINE_HEIGHT (F)))
 981
 982
 983 \f
 984 /* Manipulating pixel sizes and character sizes.
 985    Knowledge of which factors affect the overall size of the window should
 986    be hidden in these macros, if that's possible.
 987
 988    Return the upper/left pixel position of the character cell on frame F
 989    at ROW/COL.  */
 990
 991 #define FRAME_LINE_TO_PIXEL_Y(f, row) \
 992   (((row) < FRAME_TOP_MARGIN (f) ? 0 : FRAME_INTERNAL_BORDER_WIDTH (f)) \
 993    + (row) * FRAME_LINE_HEIGHT (f))
 994
 995 #define FRAME_COL_TO_PIXEL_X(f, col) \
 996   (FRAME_INTERNAL_BORDER_WIDTH (f) \
 997    + (col) * FRAME_COLUMN_WIDTH (f))
 998
 999 /* Return the pixel width/height of frame F if it has
1000    COLS columns/LINES rows.  */
1001
1002 #define FRAME_TEXT_COLS_TO_PIXEL_WIDTH(f, cols) \
1003   (FRAME_COL_TO_PIXEL_X (f, cols) \
1004    + (f)->scroll_bar_actual_width \
1005    + FRAME_TOTAL_FRINGE_WIDTH (f)      \
1006    + FRAME_INTERNAL_BORDER_WIDTH (f))
1007
1008 #define FRAME_TEXT_LINES_TO_PIXEL_HEIGHT(f, lines) \
1009   ((lines) * FRAME_LINE_HEIGHT (f) \
1010    + 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
1011
1012
1013 /* Return the row/column (zero-based) of the character cell containing
1014    the pixel on FRAME at Y/X.  */
1015
1016 #define FRAME_PIXEL_Y_TO_LINE(f, y) \
1017   (((y) < FRAME_TOP_MARGIN_HEIGHT (f)   \
1018     ? (y)       \
1019     : ((y) < FRAME_TOP_MARGIN_HEIGHT (f) + FRAME_INTERNAL_BORDER_WIDTH (f) \
1020        ? (y) - (FRAME_TOP_MARGIN_HEIGHT (f) + FRAME_INTERNAL_BORDER_WIDTH (f) \
1021                 /* Arrange for the division to round down.  */  \
1022                 + FRAME_LINE_HEIGHT (f) - 1)    \
1023        : (y) - FRAME_INTERNAL_BORDER_WIDTH (f)))        \
1024    / FRAME_LINE_HEIGHT (f))
1025
1026 #define FRAME_PIXEL_X_TO_COL(f, x) \
1027   (((x) - FRAME_INTERNAL_BORDER_WIDTH (f))      \
1028    / FRAME_COLUMN_WIDTH (f))
1029
1030 /* How many columns/rows of text can we fit in WIDTH/HEIGHT pixels on
1031    frame F?  */
1032
1033 #define FRAME_PIXEL_WIDTH_TO_TEXT_COLS(f, width)                \
1034   (FRAME_PIXEL_X_TO_COL (f, ((width)                            \
1035                              - FRAME_INTERNAL_BORDER_WIDTH (f)  \
1036                              - FRAME_TOTAL_FRINGE_WIDTH (f)     \
1037                              - (f)->scroll_bar_actual_width)))
1038
1039 #define FRAME_PIXEL_HEIGHT_TO_TEXT_LINES(f, height) \
1040   (FRAME_PIXEL_Y_TO_LINE (f, ((height) \
1041                               - FRAME_INTERNAL_BORDER_WIDTH (f))))
1042
1043
1044 /***********************************************************************
1045                                 Frame Parameters
1046  ***********************************************************************/
1047
1048 extern Lisp_Object Qauto_raise, Qauto_lower;
1049 extern Lisp_Object Qborder_color, Qborder_width;
1050 extern Lisp_Object Qbuffer_predicate, Qbuffer_list, Qburied_buffer_list;
1051 extern Lisp_Object Qcursor_color, Qcursor_type;
1052 extern Lisp_Object Qfont;
1053 extern Lisp_Object Qbackground_color, Qforeground_color;
1054 extern Lisp_Object Qicon, Qicon_name, Qicon_type, Qicon_left, Qicon_top;
1055 extern Lisp_Object Qinternal_border_width;
1056 extern Lisp_Object Qtooltip;
1057 extern Lisp_Object Qmenu_bar_lines, Qtool_bar_lines, Qtool_bar_position;
1058 extern Lisp_Object Qmouse_color;
1059 extern Lisp_Object Qname, Qtitle;
1060 extern Lisp_Object Qparent_id;
1061 extern Lisp_Object Qunsplittable, Qvisibility;
1062 extern Lisp_Object Qscroll_bar_width, Qvertical_scroll_bars;
1063 extern Lisp_Object Qscroll_bar_foreground, Qscroll_bar_background;
1064 extern Lisp_Object Qscreen_gamma;
1065 extern Lisp_Object Qline_spacing;
1066 extern Lisp_Object Qwait_for_wm;
1067 extern Lisp_Object Qfullscreen;
1068 extern Lisp_Object Qfullwidth, Qfullheight, Qfullboth, Qmaximized;
1069 extern Lisp_Object Qsticky;
1070 extern Lisp_Object Qfont_backend;
1071 extern Lisp_Object Qalpha;
1072
1073 extern Lisp_Object Qleft_fringe, Qright_fringe;
1074 extern Lisp_Object Qheight, Qwidth;
1075 extern Lisp_Object Qminibuffer, Qmodeline;
1076 extern Lisp_Object Qx, Qw32, Qmac, Qpc, Qns;
1077 extern Lisp_Object Qvisible;
1078 extern Lisp_Object Qdisplay_type;
1079 extern Lisp_Object Qbackground_mode;
1080
1081 extern Lisp_Object Qx_resource_name;
1082
1083 extern Lisp_Object Qleft, Qright, Qtop, Qbox, Qbottom;
1084 extern Lisp_Object Qdisplay;
1085
1086 extern Lisp_Object Qrun_hook_with_args;
1087
1088 #ifdef HAVE_WINDOW_SYSTEM
1089
1090 /* The class of this X application.  */
1091 #define EMACS_CLASS "Emacs"
1092
1093 /* These are in xterm.c, w32term.c, etc.  */
1094
1095 extern void x_set_scroll_bar_default_width (struct frame *);
1096 extern void x_set_offset (struct frame *, int, int, int);
1097 extern void x_wm_set_icon_position (struct frame *, int, int);
1098
1099 extern Lisp_Object x_new_font (struct frame *, Lisp_Object, int);
1100
1101
1102 extern Lisp_Object Qface_set_after_frame_default;
1103
1104 extern void x_fullscreen_adjust (struct frame *f, int *, int *,
1105                                  int *, int *);
1106
1107 extern void x_set_frame_parameters (struct frame *, Lisp_Object);
1108 extern void x_report_frame_params (struct frame *, Lisp_Object *);
1109
1110 extern void x_set_fullscreen (struct frame *, Lisp_Object, Lisp_Object);
1111 extern void x_set_line_spacing (struct frame *, Lisp_Object, Lisp_Object);
1112 extern void x_set_screen_gamma (struct frame *, Lisp_Object, Lisp_Object);
1113 extern void x_set_font (struct frame *, Lisp_Object, Lisp_Object);
1114 extern void x_set_font_backend (struct frame *, Lisp_Object, Lisp_Object);
1115 extern void x_set_fringe_width (struct frame *, Lisp_Object, Lisp_Object);
1116 extern void x_set_border_width (struct frame *, Lisp_Object, Lisp_Object);
1117 extern void x_set_internal_border_width (struct frame *, Lisp_Object,
1118                                          Lisp_Object);
1119 extern void x_set_visibility (struct frame *, Lisp_Object, Lisp_Object);
1120 extern void x_set_autoraise (struct frame *, Lisp_Object, Lisp_Object);
1121 extern void x_set_autolower (struct frame *, Lisp_Object, Lisp_Object);
1122 extern void x_set_unsplittable (struct frame *, Lisp_Object, Lisp_Object);
1123 extern void x_set_vertical_scroll_bars (struct frame *, Lisp_Object,
1124                                         Lisp_Object);
1125 extern void x_set_scroll_bar_width (struct frame *, Lisp_Object,
1126                                     Lisp_Object);
1127
1128 extern Lisp_Object x_icon_type (struct frame *);
1129
1130 extern int x_figure_window_size (struct frame *, Lisp_Object, int);
1131
1132 extern void x_set_alpha (struct frame *, Lisp_Object, Lisp_Object);
1133
1134 extern void validate_x_resource_name (void);
1135
1136 extern Lisp_Object display_x_get_resource (Display_Info *,
1137                                            Lisp_Object attribute,
1138                                            Lisp_Object class,
1139                                            Lisp_Object component,
1140                                            Lisp_Object subclass);
1141
1142 #if defined HAVE_X_WINDOWS && !defined USE_X_TOOLKIT
1143 extern char *x_get_resource_string (const char *, const char *);
1144 #endif
1145
1146 /* In xmenu.c */
1147 extern void set_frame_menubar (FRAME_PTR, int, int);
1148
1149 #endif /* HAVE_WINDOW_SYSTEM */
1150
1151 #endif /* not EMACS_FRAME_H */