src/xterm.h

   1 /* Definitions and headers for communication with X protocol.
   2    Copyright (C) 1989, 1993, 1994, 1998, 1999, 2000, 2001, 2002, 2003,
   3                  2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs is free software: you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation, either version 3 of the License, or
  10 (at your option) any later version.
  11
  12 GNU Emacs is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include <X11/Xlib.h>
  21 #include <X11/cursorfont.h>
  22
  23 /* Include Xutil.h after keysym.h to work around a bug that prevents
  24    correct recognition of AltGr key in some X versions.  */
  25
  26 #include <X11/keysym.h>
  27 #include <X11/Xutil.h>
  28
  29 #include <X11/Xatom.h>
  30 #include <X11/Xresource.h>
  31
  32 #ifdef USE_X_TOOLKIT
  33 #include <X11/StringDefs.h>
  34 #include <X11/IntrinsicP.h>     /* CoreP.h needs this */
  35 #include <X11/CoreP.h>          /* foul, but we need this to use our own
  36                                    window inside a widget instead of one
  37                                    that Xt creates... */
  38 #include <X11/StringDefs.h>
  39
  40 typedef Widget xt_or_gtk_widget;
  41 #endif
  42
  43 #ifdef USE_GTK
  44 #include <gtk/gtk.h>
  45 #include <gdk/gdkx.h>
  46
  47 /* Some definitions to reduce conditionals.  */
  48 typedef GtkWidget *xt_or_gtk_widget;
  49 #define XtParent(x) (gtk_widget_get_parent (x))
  50 #undef XSync
  51 #define XSync(d, b) do { gdk_window_process_all_updates (); \
  52                          XSync (d, b);  } while (0)
  53
  54
  55 #endif /* USE_GTK */
  56
  57 \f
  58 /* Bookkeeping to distinguish X versions.  */
  59
  60
  61 #ifdef HAVE_X_I18N
  62 #include <X11/Xlocale.h>
  63 #endif
  64 \f
  65 #define BLACK_PIX_DEFAULT(f) BlackPixel (FRAME_X_DISPLAY (f), \
  66                                          XScreenNumberOfScreen (FRAME_X_SCREEN (f)))
  67 #define WHITE_PIX_DEFAULT(f) WhitePixel (FRAME_X_DISPLAY (f), \
  68                                          XScreenNumberOfScreen (FRAME_X_SCREEN (f)))
  69
  70 #define FONT_WIDTH(f)   ((f)->max_width)
  71 #define FONT_HEIGHT(f)  ((f)->ascent + (f)->descent)
  72 #define FONT_BASE(f)    ((f)->ascent)
  73 #define FONT_DESCENT(f) ((f)->descent)
  74
  75 /* The mask of events that text windows always want to receive.  This
  76    includes mouse movement events, since handling the mouse-font text property
  77    means that we must track mouse motion all the time.  */
  78
  79 #define STANDARD_EVENT_SET      \
  80   (KeyPressMask                 \
  81    | ExposureMask               \
  82    | ButtonPressMask            \
  83    | ButtonReleaseMask          \
  84    | PointerMotionMask          \
  85    | StructureNotifyMask        \
  86    | FocusChangeMask            \
  87    | LeaveWindowMask            \
  88    | EnterWindowMask            \
  89    | VisibilityChangeMask)
  90
  91 #ifdef HAVE_X11R6_XIM
  92 /* Data structure passed to xim_instantiate_callback.  */
  93 struct xim_inst_t
  94 {
  95   struct x_display_info *dpyinfo;
  96   char *resource_name;
  97 };
  98 #endif /* HAVE_X11R6_XIM */
  99
 100 /* Structure recording X pixmap and reference count.
 101    If REFCOUNT is 0 then this record is free to be reused.  */
 102
 103 struct x_bitmap_record
 104 {
 105   Pixmap pixmap;
 106   int have_mask;
 107   Pixmap mask;
 108   char *file;
 109   int refcount;
 110   /* Record some info about this pixmap.  */
 111   int height, width, depth;
 112 };
 113 \f
 114 /* For each X display, we have a structure that records
 115    information about it.  */
 116
 117 struct x_display_info
 118 {
 119   /* Chain of all x_display_info structures.  */
 120   struct x_display_info *next;
 121
 122   /* The generic display parameters corresponding to this X display. */
 123   struct terminal *terminal;
 124
 125   /* Connection number (normally a file descriptor number).  */
 126   int connection;
 127
 128   /* This says how to access this display in Xlib.  */
 129   Display *display;
 130
 131   /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
 132      The same cons cell also appears in x_display_name_list.  */
 133   Lisp_Object name_list_element;
 134
 135   /* Number of frames that are on this display.  */
 136   int reference_count;
 137
 138   /* The Screen this connection is connected to.  */
 139   Screen *screen;
 140
 141   /* Dots per inch of the screen.  */
 142   double resx, resy;
 143
 144   /* The Visual being used for this display.  */
 145   Visual *visual;
 146
 147   /* The colormap being used.  */
 148   Colormap cmap;
 149
 150   /* Number of planes on this screen.  */
 151   int n_planes;
 152
 153   /* Mask of things that cause the mouse to be grabbed.  */
 154   int grabbed;
 155
 156   /* Emacs bitmap-id of the default icon bitmap for this frame.
 157      Or -1 if none has been allocated yet.  */
 158   int icon_bitmap_id;
 159
 160   /* The root window of this screen.  */
 161   Window root_window;
 162
 163   /* Client leader window.  */
 164   Window client_leader_window;
 165
 166   /* The cursor to use for vertical scroll bars.  */
 167   Cursor vertical_scroll_bar_cursor;
 168
 169   /* The invisible cursor used for pointer blanking.  */
 170   Cursor invisible_cursor;
 171
 172 #ifdef USE_GTK
 173   /* The GDK cursor for scroll bars and popup menus.  */
 174   GdkCursor *xg_cursor;
 175 #endif
 176
 177   /* X Resource data base */
 178   XrmDatabase xrdb;
 179
 180   /* Minimum width over all characters in all fonts in font_table.  */
 181   int smallest_char_width;
 182
 183   /* Minimum font height over all fonts in font_table.  */
 184   int smallest_font_height;
 185
 186   /* Reusable Graphics Context for drawing a cursor in a non-default face. */
 187   GC scratch_cursor_gc;
 188
 189   /* These variables describe the range of text currently shown in its
 190      mouse-face, together with the window they apply to.  As long as
 191      the mouse stays within this range, we need not redraw anything on
 192      its account.  Rows and columns are glyph matrix positions in
 193      MOUSE_FACE_WINDOW.  */
 194   int mouse_face_beg_row, mouse_face_beg_col;
 195   int mouse_face_beg_x, mouse_face_beg_y;
 196   int mouse_face_end_row, mouse_face_end_col;
 197   int mouse_face_end_x, mouse_face_end_y;
 198   int mouse_face_past_end;
 199   Lisp_Object mouse_face_window;
 200   int mouse_face_face_id;
 201   Lisp_Object mouse_face_overlay;
 202
 203   /* 1 if a mouse motion event came and we didn't handle it right away because
 204      gc was in progress.  */
 205   int mouse_face_deferred_gc;
 206
 207   /* FRAME and X, Y position of mouse when last checked for
 208      highlighting.  X and Y can be negative or out of range for the frame.  */
 209   struct frame *mouse_face_mouse_frame;
 210   int mouse_face_mouse_x, mouse_face_mouse_y;
 211
 212   /* Nonzero means defer mouse-motion highlighting.  */
 213   int mouse_face_defer;
 214
 215   /* Nonzero means that the mouse highlight should not be shown.  */
 216   int mouse_face_hidden;
 217
 218   int mouse_face_image_state;
 219
 220   char *x_id_name;
 221
 222   /* The number of fonts opened for this display.  */
 223   int n_fonts;
 224
 225   /* Pointer to bitmap records.  */
 226   struct x_bitmap_record *bitmaps;
 227
 228   /* Allocated size of bitmaps field.  */
 229   int bitmaps_size;
 230
 231   /* Last used bitmap index.  */
 232   int bitmaps_last;
 233
 234   /* Which modifier keys are on which modifier bits?
 235
 236      With each keystroke, X returns eight bits indicating which modifier
 237      keys were held down when the key was pressed.  The interpretation
 238      of the top five modifier bits depends on what keys are attached
 239      to them.  If the Meta_L and Meta_R keysyms are on mod5, then mod5
 240      is the meta bit.
 241
 242      meta_mod_mask is a mask containing the bits used for the meta key.
 243      It may have more than one bit set, if more than one modifier bit
 244      has meta keys on it.  Basically, if EVENT is a KeyPress event,
 245      the meta key is pressed if (EVENT.state & meta_mod_mask) != 0.
 246
 247      shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the
 248      lock modifier bit, or zero otherwise.  Non-alphabetic keys should
 249      only be affected by the lock modifier bit if XK_Shift_Lock is in
 250      use; XK_Caps_Lock should only affect alphabetic keys.  With this
 251      arrangement, the lock modifier should shift the character if
 252      (EVENT.state & shift_lock_mask) != 0.  */
 253   int meta_mod_mask, shift_lock_mask;
 254
 255   /* These are like meta_mod_mask, but for different modifiers.  */
 256   int alt_mod_mask, super_mod_mask, hyper_mod_mask;
 257
 258   /* Communication with window managers.  */
 259   Atom Xatom_wm_protocols;
 260
 261   /* Kinds of protocol things we may receive.  */
 262   Atom Xatom_wm_take_focus;
 263   Atom Xatom_wm_save_yourself;
 264   Atom Xatom_wm_delete_window;
 265
 266   /* Atom for indicating window state to the window manager.  */
 267   Atom Xatom_wm_change_state;
 268
 269   /* Other WM communication */
 270   Atom Xatom_wm_configure_denied; /* When our config request is denied */
 271   Atom Xatom_wm_window_moved;     /* When the WM moves us.  */
 272   Atom Xatom_wm_client_leader;    /* Id of client leader window.  */
 273
 274   /* EditRes protocol */
 275   Atom Xatom_editres;
 276
 277   /* More atoms, which are selection types.  */
 278   Atom Xatom_CLIPBOARD, Xatom_TIMESTAMP, Xatom_TEXT, Xatom_DELETE,
 279   Xatom_COMPOUND_TEXT, Xatom_UTF8_STRING,
 280   Xatom_MULTIPLE, Xatom_INCR, Xatom_EMACS_TMP, Xatom_TARGETS, Xatom_NULL,
 281   Xatom_ATOM_PAIR;
 282
 283   /* More atoms for font properties.  The last three are private
 284      properties, see the comments in src/fontset.h.  */
 285   Atom Xatom_PIXEL_SIZE, Xatom_AVERAGE_WIDTH,
 286   Xatom_MULE_BASELINE_OFFSET, Xatom_MULE_RELATIVE_COMPOSE,
 287   Xatom_MULE_DEFAULT_ASCENT;
 288
 289   /* More atoms for Ghostscript support.  */
 290   Atom Xatom_DONE, Xatom_PAGE;
 291
 292   /* Atom used in toolkit scroll bar client messages.  */
 293   Atom Xatom_Scrollbar;
 294
 295   /* Atom used in XEmbed client messages.  */
 296   Atom Xatom_XEMBED;
 297
 298   int cut_buffers_initialized; /* Whether we're sure they all exist */
 299
 300   /* The frame (if any) which has the X window that has keyboard focus.
 301      Zero if none.  This is examined by Ffocus_frame in xfns.c.  Note
 302      that a mere EnterNotify event can set this; if you need to know the
 303      last frame specified in a FocusIn or FocusOut event, use
 304      x_focus_event_frame.  */
 305   struct frame *x_focus_frame;
 306
 307   /* The last frame mentioned in a FocusIn or FocusOut event.  This is
 308      separate from x_focus_frame, because whether or not LeaveNotify
 309      events cause us to lose focus depends on whether or not we have
 310      received a FocusIn event for it.  */
 311   struct frame *x_focus_event_frame;
 312
 313   /* The frame which currently has the visual highlight, and should get
 314      keyboard input (other sorts of input have the frame encoded in the
 315      event).  It points to the X focus frame's selected window's
 316      frame.  It differs from x_focus_frame when we're using a global
 317      minibuffer.  */
 318   struct frame *x_highlight_frame;
 319
 320   /* The gray pixmap.  */
 321   Pixmap gray;
 322
 323 #ifdef HAVE_X_I18N
 324   /* XIM (X Input method).  */
 325   XIM xim;
 326   XIMStyles *xim_styles;
 327   struct xim_inst_t *xim_callback_data;
 328 #endif
 329
 330   /* If non-null, a cache of the colors in the color map.  Don't
 331      use this directly, call x_color_cells instead.  */
 332   XColor *color_cells;
 333   int ncolor_cells;
 334
 335   /* Bits and shifts to use to compose pixel values on TrueColor visuals.  */
 336   int red_bits, blue_bits, green_bits;
 337   int red_offset, blue_offset, green_offset;
 338
 339   /* The type of window manager we have.  If we move FRAME_OUTER_WINDOW
 340      to x/y 0/0, some window managers (type A) puts the window manager
 341      decorations outside the screen and FRAME_OUTER_WINDOW exactly at 0/0.
 342      Other window managers (type B) puts the window including decorations
 343      at 0/0, so FRAME_OUTER_WINDOW is a bit below 0/0.
 344      Record the type of WM in use so we can compensate for type A WMs.  */
 345   enum
 346     {
 347       X_WMTYPE_UNKNOWN,
 348       X_WMTYPE_A,
 349       X_WMTYPE_B
 350     } wm_type;
 351
 352
 353   /* Atoms that are drag and drop atoms */
 354   Atom *x_dnd_atoms;
 355   size_t x_dnd_atoms_size;
 356   size_t x_dnd_atoms_length;
 357
 358   /* Extended window manager hints, Atoms supported by the window manager  */
 359   Atom *net_supported_atoms;
 360   int nr_net_supported_atoms;
 361   Window net_supported_window;
 362
 363   /* Atoms dealing with maximization and fullscreen */
 364   Atom Xatom_net_wm_state, Xatom_net_wm_state_fullscreen_atom,
 365     Xatom_net_wm_state_maximized_horz, Xatom_net_wm_state_maximized_vert,
 366     Xatom_net_wm_state_sticky;
 367 };
 368
 369 #ifdef HAVE_X_I18N
 370 /* Whether or not to use XIM if we have it.  */
 371 extern int use_xim;
 372 #endif
 373
 374 /* This checks to make sure we have a display.  */
 375 extern void check_x P_ ((void));
 376
 377 extern struct frame *x_window_to_frame P_ ((struct x_display_info *, int));
 378
 379 extern struct frame *x_any_window_to_frame P_ ((struct x_display_info *, int));
 380 extern struct frame *x_menubar_window_to_frame P_ ((struct x_display_info *, int));
 381 extern struct frame *x_top_window_to_frame P_ ((struct x_display_info *, int));
 382
 383 #if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK)
 384 #define x_any_window_to_frame x_window_to_frame
 385 #define x_top_window_to_frame x_window_to_frame
 386 #endif
 387
 388 /* This is a chain of structures for all the X displays currently in use.  */
 389 extern struct x_display_info *x_display_list;
 390
 391 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
 392    one for each element of x_display_list and in the same order.
 393    NAME is the name of the frame.
 394    FONT-LIST-CACHE records previous values returned by x-list-fonts.  */
 395 extern Lisp_Object x_display_name_list;
 396
 397 /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'.  */
 398 extern Lisp_Object Vx_pixel_size_width_font_regexp;
 399
 400 extern struct x_display_info *x_display_info_for_display P_ ((Display *));
 401 extern struct x_display_info *x_display_info_for_name P_ ((Lisp_Object));
 402 extern void x_set_frame_alpha P_ ((struct frame *));
 403
 404 extern struct x_display_info *x_term_init P_ ((Lisp_Object, char *, char *));
 405 extern int x_display_ok  P_ ((const char *));
 406
 407 extern void select_visual P_ ((struct x_display_info *));
 408
 409 \f
 410 struct font;
 411
 412 /* Each X frame object points to its own struct x_output object
 413    in the output_data.x field.  The x_output structure contains
 414    the information that is specific to X windows.  */
 415
 416 struct x_output
 417 {
 418   /* Height of menu bar widget, in pixels.
 419      Zero if not using the X toolkit.
 420      When using the toolkit, this value is not meaningful
 421      if the menubar is turned off.  */
 422   int menubar_height;
 423
 424   /* Height of tool bar widget, in pixels.
 425      Zero if not using an external tool bar.  */
 426   int toolbar_height;
 427
 428   /* The tiled border used when the mouse is out of the frame.  */
 429   Pixmap border_tile;
 430
 431   /* Here are the Graphics Contexts for the default font.  */
 432   GC normal_gc;                         /* Normal video */
 433   GC reverse_gc;                        /* Reverse video */
 434   GC cursor_gc;                         /* cursor drawing */
 435
 436   /* The X window used for this frame.
 437      May be zero while the frame object is being created
 438      and the X window has not yet been created.  */
 439   Window window_desc;
 440
 441   /* The X window used for the bitmap icon;
 442      or 0 if we don't have a bitmap icon.  */
 443   Window icon_desc;
 444
 445   /* The X window that is the parent of this X window.
 446      Usually this is a window that was made by the window manager,
 447      but it can be the root window, and it can be explicitly specified
 448      (see the explicit_parent field, below).  */
 449   Window parent_desc;
 450
 451 #ifdef USE_X_TOOLKIT
 452   /* The widget of this screen.  This is the window of a "shell" widget.  */
 453   Widget widget;
 454   /* The XmPanedWindows...  */
 455   Widget column_widget;
 456   /* The widget of the edit portion of this screen; the window in
 457      "window_desc" is inside of this.  */
 458   Widget edit_widget;
 459
 460   Widget menubar_widget;
 461 #endif
 462
 463 #ifdef USE_GTK
 464   /* The widget of this screen.  This is the window of a top widget.  */
 465   GtkWidget *widget;
 466   /* The widget of the edit portion of this screen; the window in
 467      "window_desc" is inside of this.  */
 468   GtkWidget *edit_widget;
 469   /* The widget used for laying out widgets vertically.  */
 470   GtkWidget *vbox_widget;
 471   /* The menubar in this frame.  */
 472   GtkWidget *menubar_widget;
 473   /* The tool bar in this frame  */
 474   GtkWidget *toolbar_widget;
 475   /* The handle box that makes the tool bar detachable.  */
 476   GtkWidget *handlebox_widget;
 477   /* Non-zero if the tool bar is detached.  */
 478   int toolbar_detached;
 479
 480   /* The last size hints set.  */
 481   GdkGeometry size_hints;
 482   long hint_flags;
 483 #endif
 484
 485   /* If >=0, a bitmap index.  The indicated bitmap is used for the
 486      icon. */
 487   int icon_bitmap;
 488
 489   /* Default ASCII font of this frame.  */
 490   struct font *font;
 491
 492   /* The baseline offset of the default ASCII font.  */
 493   int baseline_offset;
 494
 495   /* If a fontset is specified for this frame instead of font, this
 496      value contains an ID of the fontset, else -1.  */
 497   int fontset;
 498
 499   /* Pixel values used for various purposes.
 500      border_pixel may be -1 meaning use a gray tile.  */
 501 #if 0 /* These are also defined in struct frame.  Use that instead.  */
 502   unsigned long background_pixel;
 503   unsigned long foreground_pixel;
 504 #endif
 505   unsigned long cursor_pixel;
 506   unsigned long border_pixel;
 507   unsigned long mouse_pixel;
 508   unsigned long cursor_foreground_pixel;
 509
 510   /* Foreground color for scroll bars.  A value of -1 means use the
 511      default (black for non-toolkit scroll bars).  */
 512   unsigned long scroll_bar_foreground_pixel;
 513
 514   /* Background color for scroll bars.  A value of -1 means use the
 515      default (background color of the frame for non-toolkit scroll
 516      bars).  */
 517   unsigned long scroll_bar_background_pixel;
 518
 519   /* Top and bottom shadow colors for 3d toolkit scrollbars.  -1 means
 520      let the scroll compute them itself.  */
 521   unsigned long scroll_bar_top_shadow_pixel;
 522   unsigned long scroll_bar_bottom_shadow_pixel;
 523
 524   /* Descriptor for the cursor in use for this window.  */
 525   Cursor text_cursor;
 526   Cursor nontext_cursor;
 527   Cursor modeline_cursor;
 528   Cursor hand_cursor;
 529   Cursor hourglass_cursor;
 530   Cursor horizontal_drag_cursor;
 531   Cursor current_cursor;
 532
 533   /* Window whose cursor is hourglass_cursor.  This window is temporarily
 534      mapped to display an hourglass cursor.  */
 535   Window hourglass_window;
 536
 537   /* Non-zero means hourglass cursor is currently displayed.  */
 538   unsigned hourglass_p : 1;
 539
 540   /* Flag to set when the X window needs to be completely repainted.  */
 541   int needs_exposure;
 542
 543   /* These are the current window manager hints.  It seems that
 544      XSetWMHints, when presented with an unset bit in the `flags'
 545      member of the hints structure, does not leave the corresponding
 546      attribute unchanged; rather, it resets that attribute to its
 547      default value.  For example, unless you set the `icon_pixmap'
 548      field and the `IconPixmapHint' bit, XSetWMHints will forget what
 549      your icon pixmap was.  This is rather troublesome, since some of
 550      the members (for example, `input' and `icon_pixmap') want to stay
 551      the same throughout the execution of Emacs.  So, we keep this
 552      structure around, just leaving values in it and adding new bits
 553      to the mask as we go.  */
 554   XWMHints wm_hints;
 555
 556   /* This is the Emacs structure for the X display this frame is on.  */
 557   struct x_display_info *display_info;
 558
 559   /* This is a button event that wants to activate the menubar.
 560      We save it here until the command loop gets to think about it.  */
 561   XEvent *saved_menu_event;
 562
 563   /* This is the widget id used for this frame's menubar in lwlib.  */
 564 #ifdef USE_X_TOOLKIT
 565   int id;
 566 #endif
 567
 568   /* Nonzero means our parent is another application's window
 569      and was explicitly specified.  */
 570   char explicit_parent;
 571
 572   /* Nonzero means tried already to make this frame visible.  */
 573   char asked_for_visible;
 574
 575   /* Nonzero if this frame was ever previously visible.  */
 576   char has_been_visible;
 577
 578 #ifdef HAVE_X_I18N
 579   /* Input context (currently, this means Compose key handler setup).  */
 580   XIC xic;
 581   XIMStyle xic_style;
 582   XFontSet xic_xfs;
 583   char *xic_base_fontname;
 584 #endif
 585
 586   /* Relief GCs, colors etc.  */
 587   struct relief
 588   {
 589     GC gc;
 590     unsigned long pixel;
 591     int allocated_p;
 592   }
 593   black_relief, white_relief;
 594
 595   /* The background for which the above relief GCs were set up.
 596      They are changed only when a different background is involved.  */
 597   unsigned long relief_background;
 598
 599   /* Xt waits for a ConfigureNotify event from the window manager in
 600      EmacsFrameSetCharSize when the shell widget is resized.  For some
 601      window managers like fvwm2 2.2.5 and KDE 2.1 this event doesn't
 602      arrive for an unknown reason and Emacs hangs in Xt.  If this is
 603      zero, tell Xt not to wait.  */
 604   int wait_for_wm;
 605
 606   /* As x_pixels_diff, but to FRAME_OUTER_WINDOW.  For some reason the
 607      two might differ by a pixel, depending on WM */
 608   int x_pixels_outer_diff;
 609
 610   /* As y_pixels_diff, but to FRAME_OUTER_WINDOW.  In the toolkit version,
 611      these may differ because this does not take into account possible
 612      menubar.  y_pixels_diff is with menubar height included */
 613   int y_pixels_outer_diff;
 614
 615   /* Keep track of focus.  May be EXPLICIT if we received a FocusIn for this
 616      frame, or IMPLICIT if we received an EnterNotify.
 617      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 618   int focus_state;
 619
 620   /* The offset we need to add to compensate for type A WMs.  */
 621   int move_offset_top;
 622   int move_offset_left;
 623
 624   /* The frame's left/top offsets before we call XMoveWindow.  See
 625      x_check_expected_move.  */
 626   int left_before_move;
 627   int top_before_move;
 628 };
 629
 630 #define No_Cursor (None)
 631
 632 enum
 633 {
 634   /* Values for focus_state, used as bit mask.
 635      EXPLICIT means we received a FocusIn for the frame and know it has
 636      the focus.  IMPLICIT means we recevied an EnterNotify and the frame
 637      may have the focus if no window manager is running.
 638      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 639   FOCUS_NONE     = 0,
 640   FOCUS_IMPLICIT = 1,
 641   FOCUS_EXPLICIT = 2
 642 };
 643
 644
 645 /* Return the X output data for frame F.  */
 646 #define FRAME_X_OUTPUT(f) ((f)->output_data.x)
 647
 648 /* Return the X window used for displaying data in frame F.  */
 649 #define FRAME_X_WINDOW(f) ((f)->output_data.x->window_desc)
 650
 651 /* Return the outermost X window associated with the frame F.  */
 652 #ifdef USE_X_TOOLKIT
 653 #define FRAME_OUTER_WINDOW(f) ((f)->output_data.x->widget ?             \
 654                                XtWindow ((f)->output_data.x->widget) :  \
 655                                FRAME_X_WINDOW (f))
 656 #else
 657 #ifdef USE_GTK
 658 #define GTK_WIDGET_TO_X_WIN(w) \
 659   ((w) && (w)->window ? GDK_WINDOW_XWINDOW ((w)->window) : 0)
 660
 661 #define FRAME_GTK_OUTER_WIDGET(f) ((f)->output_data.x->widget)
 662 #define FRAME_GTK_WIDGET(f) ((f)->output_data.x->edit_widget)
 663 #define FRAME_OUTER_WINDOW(f)                                   \
 664        (FRAME_GTK_OUTER_WIDGET (f) ?                            \
 665         GTK_WIDGET_TO_X_WIN (FRAME_GTK_OUTER_WIDGET (f)) :      \
 666          FRAME_X_WINDOW (f))
 667
 668 #else /* !USE_GTK */
 669 #define FRAME_OUTER_WINDOW(f) (FRAME_X_WINDOW (f))
 670 #endif /* !USE_GTK */
 671 #endif
 672
 673
 674 #define FRAME_FONT(f) ((f)->output_data.x->font)
 675 #define FRAME_FONTSET(f) ((f)->output_data.x->fontset)
 676 #define FRAME_MENUBAR_HEIGHT(f) ((f)->output_data.x->menubar_height)
 677 #define FRAME_TOOLBAR_HEIGHT(f) ((f)->output_data.x->toolbar_height)
 678 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.x->baseline_offset)
 679
 680 /* This gives the x_display_info structure for the display F is on.  */
 681 #define FRAME_X_DISPLAY_INFO(f) ((f)->output_data.x->display_info)
 682
 683 /* This is the `Display *' which frame F is on.  */
 684 #define FRAME_X_DISPLAY(f) (FRAME_X_DISPLAY_INFO (f)->display)
 685
 686 /* This is the `Screen *' which frame F is on.  */
 687 #define FRAME_X_SCREEN(f) (FRAME_X_DISPLAY_INFO (f)->screen)
 688 #define FRAME_X_SCREEN_NUMBER(f) XScreenNumberOfScreen (FRAME_X_SCREEN (f))
 689
 690 /* This is the Visual which frame F is on.  */
 691 #define FRAME_X_VISUAL(f) FRAME_X_DISPLAY_INFO (f)->visual
 692
 693 /* This is the Colormap which frame F uses.  */
 694 #define FRAME_X_COLORMAP(f) FRAME_X_DISPLAY_INFO (f)->cmap
 695
 696 /* This is the 'font_info *' which frame F has.  */
 697 #define FRAME_X_FONT_TABLE(f) (FRAME_X_DISPLAY_INFO (f)->font_table)
 698
 699 /* The difference in pixels between the top left corner of the
 700    Emacs window (including possible window manager decorations)
 701    and FRAME_X_WINDOW (f).  */
 702 #define FRAME_OUTER_TO_INNER_DIFF_X(f) \
 703      ((f)->output_data.x->x_pixels_outer_diff)
 704 #define FRAME_OUTER_TO_INNER_DIFF_Y(f)          \
 705      ((f)->output_data.x->y_pixels_outer_diff   \
 706       + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f))
 707
 708
 709 #define FRAME_XIC(f) ((f)->output_data.x->xic)
 710 #define FRAME_X_XIM(f) (FRAME_X_DISPLAY_INFO (f)->xim)
 711 #define FRAME_X_XIM_STYLES(f) (FRAME_X_DISPLAY_INFO (f)->xim_styles)
 712 #define FRAME_XIC_STYLE(f) ((f)->output_data.x->xic_style)
 713 #define FRAME_XIC_FONTSET(f) ((f)->output_data.x->xic_xfs)
 714 #define FRAME_XIC_BASE_FONTNAME(f) ((f)->output_data.x->xic_base_fontname)
 715
 716 /* Value is the smallest width of any character in any font on frame F.  */
 717
 718 #define FRAME_SMALLEST_CHAR_WIDTH(F) \
 719      FRAME_X_DISPLAY_INFO(F)->smallest_char_width
 720
 721 /* Value is the smallest height of any font on frame F.  */
 722
 723 #define FRAME_SMALLEST_FONT_HEIGHT(F) \
 724      FRAME_X_DISPLAY_INFO(F)->smallest_font_height
 725 \f
 726 /* X-specific scroll bar stuff.  */
 727
 728 /* We represent scroll bars as lisp vectors.  This allows us to place
 729    references to them in windows without worrying about whether we'll
 730    end up with windows referring to dead scroll bars; the garbage
 731    collector will free it when its time comes.
 732
 733    We use struct scroll_bar as a template for accessing fields of the
 734    vector.  */
 735
 736 struct scroll_bar
 737 {
 738   /* These fields are shared by all vectors.  */
 739   EMACS_INT size_from_Lisp_Vector_struct;
 740   struct Lisp_Vector *next_from_Lisp_Vector_struct;
 741
 742   /* The window we're a scroll bar for.  */
 743   Lisp_Object window;
 744
 745   /* The next and previous in the chain of scroll bars in this frame.  */
 746   Lisp_Object next, prev;
 747
 748   /* Fields from `x_window' down will not be traced by the GC.  */
 749
 750   /* The X window representing this scroll bar.  */
 751   Window x_window;
 752
 753   /* The position and size of the scroll bar in pixels, relative to the
 754      frame.  */
 755   int top, left, width, height;
 756
 757   /* The starting and ending positions of the handle, relative to the
 758      handle area (i.e. zero is the top position, not
 759      SCROLL_BAR_TOP_BORDER).  If they're equal, that means the handle
 760      hasn't been drawn yet.
 761
 762      These are not actually the locations where the beginning and end
 763      are drawn; in order to keep handles from becoming invisible when
 764      editing large files, we establish a minimum height by always
 765      drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
 766      where they would be normally; the bottom and top are in a
 767      different co-ordinate system.  */
 768   int start, end;
 769
 770   /* If the scroll bar handle is currently being dragged by the user,
 771      this is the number of pixels from the top of the handle to the
 772      place where the user grabbed it.  If the handle isn't currently
 773      being dragged, this is Qnil.  */
 774   Lisp_Object dragging;
 775
 776   /* 1 if the background of the fringe that is adjacent to a scroll
 777      bar is extended to the gap between the fringe and the bar.  */
 778   unsigned int fringe_extended_p : 1;
 779 };
 780
 781 /* The number of elements a vector holding a struct scroll_bar needs.  */
 782 #define SCROLL_BAR_VEC_SIZE                                     \
 783   ((sizeof (struct scroll_bar)                                  \
 784     - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *))       \
 785    / sizeof (Lisp_Object))
 786
 787 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 788 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
 789
 790
 791 /* Extract the X widget of the scroll bar from a struct scroll_bar.
 792    XtWindowToWidget should be fast enough since Xt uses a hash table
 793    to map windows to widgets.  */
 794
 795 #define SCROLL_BAR_X_WIDGET(dpy, ptr) \
 796   XtWindowToWidget (dpy, ptr->x_window)
 797
 798 /* Store a widget id in a struct scroll_bar.  */
 799
 800 #define SET_SCROLL_BAR_X_WIDGET(ptr, w)         \
 801   do {                                          \
 802     Window window = XtWindow (w);               \
 803     ptr->x_window = window;                     \
 804 } while (0)
 805
 806
 807 /* Return the inside width of a vertical scroll bar, given the outside
 808    width.  */
 809 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f, width) \
 810   ((width) \
 811    - VERTICAL_SCROLL_BAR_LEFT_BORDER \
 812    - VERTICAL_SCROLL_BAR_RIGHT_BORDER \
 813    - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2)
 814
 815 /* Return the length of the rectangle within which the top of the
 816    handle must stay.  This isn't equivalent to the inside height,
 817    because the scroll bar handle has a minimum height.
 818
 819    This is the real range of motion for the scroll bar, so when we're
 820    scaling buffer positions to scroll bar positions, we use this, not
 821    VERTICAL_SCROLL_BAR_INSIDE_HEIGHT.  */
 822 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f, height) \
 823   (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
 824
 825 /* Return the inside height of vertical scroll bar, given the outside
 826    height.  See VERTICAL_SCROLL_BAR_TOP_RANGE too.  */
 827 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f, height) \
 828   ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
 829
 830
 831 /* Border widths for scroll bars.
 832
 833    Scroll bar windows don't have any X borders; their border width is
 834    set to zero, and we redraw borders ourselves.  This makes the code
 835    a bit cleaner, since we don't have to convert between outside width
 836    (used when relating to the rest of the screen) and inside width
 837    (used when sizing and drawing the scroll bar window itself).
 838
 839    The handle moves up and down/back and forth in a rectangle inset
 840    from the edges of the scroll bar.  These are widths by which we
 841    inset the handle boundaries from the scroll bar edges.  */
 842 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (2)
 843 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (2)
 844 #define VERTICAL_SCROLL_BAR_TOP_BORDER (2)
 845 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (2)
 846
 847 /* Minimum lengths for scroll bar handles, in pixels.  */
 848 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (5)
 849
 850 /* Trimming off a few pixels from each side prevents
 851    text from glomming up against the scroll bar */
 852 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
 853
 854 \f
 855 /* If a struct input_event has a kind which is SELECTION_REQUEST_EVENT
 856    or SELECTION_CLEAR_EVENT, then its contents are really described
 857    by this structure.  */
 858
 859 /* For an event of kind SELECTION_REQUEST_EVENT,
 860    this structure really describes the contents.
 861    **Don't make this struct longer!**
 862    If it overlaps the frame_or_window field of struct input_event,
 863    that will cause GC to crash.  */
 864 struct selection_input_event
 865 {
 866   int kind;
 867   Display *display;
 868   /* We spell it with an "o" here because X does.  */
 869   Window requestor;
 870   Atom selection, target, property;
 871   Time time;
 872 };
 873
 874 #define SELECTION_EVENT_DISPLAY(eventp) \
 875   (((struct selection_input_event *) (eventp))->display)
 876 /* We spell it with an "o" here because X does.  */
 877 #define SELECTION_EVENT_REQUESTOR(eventp)       \
 878   (((struct selection_input_event *) (eventp))->requestor)
 879 #define SELECTION_EVENT_SELECTION(eventp)       \
 880   (((struct selection_input_event *) (eventp))->selection)
 881 #define SELECTION_EVENT_TARGET(eventp)  \
 882   (((struct selection_input_event *) (eventp))->target)
 883 #define SELECTION_EVENT_PROPERTY(eventp)        \
 884   (((struct selection_input_event *) (eventp))->property)
 885 #define SELECTION_EVENT_TIME(eventp)    \
 886   (((struct selection_input_event *) (eventp))->time)
 887
 888 \f
 889 struct window;
 890 struct glyph_matrix;
 891 struct frame;
 892 struct input_event;
 893 struct face;
 894 struct image;
 895
 896 /* From xselect.c.  */
 897
 898 void x_handle_selection_notify P_ ((XSelectionEvent *));
 899 void x_handle_property_notify P_ ((XPropertyEvent *));
 900
 901 /* From xfns.c.  */
 902
 903 Lisp_Object display_x_get_resource P_ ((struct x_display_info *,
 904                                         Lisp_Object, Lisp_Object,
 905                                         Lisp_Object, Lisp_Object));
 906 struct frame *check_x_frame P_ ((Lisp_Object));
 907 EXFUN (Fx_display_color_p, 1);
 908 EXFUN (Fx_display_grayscale_p, 1);
 909 extern void x_free_gcs P_ ((struct frame *));
 910
 911 /* From xrdb.c.  */
 912
 913 char *x_get_customization_string P_ ((XrmDatabase, char *, char *));
 914 XrmDatabase x_load_resources P_ ((Display *, char *, char *, char *));
 915 int x_get_resource P_ ((XrmDatabase, char *, char *,
 916                         XrmRepresentation, XrmValue *));
 917 void x_delete_display P_ ((struct x_display_info *));
 918 void x_make_frame_visible P_ ((struct frame *));
 919 void x_iconify_frame P_ ((struct frame *));
 920 void x_wm_set_size_hint P_ ((struct frame *, long, int));
 921 int x_text_icon P_ ((struct frame *, char *));
 922 int x_bitmap_icon P_ ((struct frame *, Lisp_Object));
 923 void x_set_window_size P_ ((struct frame *, int, int, int));
 924 void x_wm_set_window_state P_ ((struct frame *, int));
 925 int x_alloc_nearest_color P_ ((struct frame *, Colormap, XColor *));
 926
 927 /* Defined in xterm.c */
 928
 929 extern void cancel_mouse_face P_ ((struct frame *));
 930 extern void x_scroll_bar_clear P_ ((struct frame *));
 931 extern int x_text_icon P_ ((struct frame *, char *));
 932 extern int x_bitmap_icon P_ ((struct frame *, Lisp_Object));
 933 extern void x_catch_errors P_ ((Display *));
 934 extern void x_check_errors P_ ((Display *, char *));
 935 extern int x_had_errors_p P_ ((Display *));
 936 extern int x_catching_errors P_ ((void));
 937 extern void x_uncatch_errors P_ ((void));
 938 extern void x_clear_errors P_ ((Display *));
 939 extern void x_set_window_size P_ ((struct frame *, int, int, int));
 940 extern void x_set_mouse_position P_ ((struct frame *, int, int));
 941 extern void x_set_mouse_pixel_position P_ ((struct frame *, int, int));
 942 extern void x_ewmh_activate_frame P_ ((struct frame *));
 943 extern void x_raise_frame P_ ((struct frame *));
 944 extern void x_lower_frame P_ ((struct frame *));
 945 extern void x_make_frame_visible P_ ((struct frame *));
 946 extern void x_make_frame_invisible P_ ((struct frame *));
 947 extern void x_iconify_frame P_ ((struct frame *));
 948 extern void x_free_frame_resources P_ ((struct frame *));
 949 extern void x_destroy_window P_ ((struct frame *));
 950 extern void x_wm_set_size_hint P_ ((struct frame *, long, int));
 951 extern void x_wm_set_window_state P_ ((struct frame *, int));
 952 extern void x_wm_set_icon_pixmap P_ ((struct frame *, int));
 953 extern void x_delete_display P_ ((struct x_display_info *));
 954 extern void x_delete_terminal P_ ((struct terminal *terminal));
 955 extern void x_initialize P_ ((void));
 956 extern unsigned long x_copy_color P_ ((struct frame *, unsigned long));
 957 #ifdef USE_X_TOOLKIT
 958 extern XtAppContext Xt_app_con;
 959 extern int x_alloc_lighter_color_for_widget __P ((Widget, Display*, Colormap,
 960                                                   unsigned long *,
 961                                                   double, int));
 962 extern void x_activate_timeout_atimer P_ ((void));
 963 #endif
 964 extern void x_query_colors P_ ((struct frame *f, XColor *, int));
 965 extern void x_query_color P_ ((struct frame *f, XColor *));
 966 extern void x_clear_area P_ ((Display *, Window, int, int, int, int, int));
 967 extern void set_vertical_scroll_bar P_ ((struct window *));
 968
 969 extern int x_dispatch_event P_ ((XEvent *, Display *));
 970 extern unsigned int x_x_to_emacs_modifiers P_ ((struct x_display_info *,
 971                                                 unsigned));
 972 extern int x_display_pixel_height P_ ((struct x_display_info *));
 973 extern int x_display_pixel_width P_ ((struct x_display_info *));
 974
 975 extern void x_set_sticky P_ ((struct frame *, Lisp_Object, Lisp_Object));
 976 extern void x_wait_for_event P_ ((struct frame *, int));
 977
 978 /* Defined in xselect.c */
 979
 980 extern void x_handle_property_notify P_ ((XPropertyEvent *));
 981 extern void x_handle_selection_notify P_ ((XSelectionEvent *));
 982 extern void x_handle_selection_event P_ ((struct input_event *));
 983 extern void x_clear_frame_selections P_ ((struct frame *));
 984
 985 extern int x_handle_dnd_message P_ ((struct frame *,
 986                                      XClientMessageEvent *,
 987                                      struct x_display_info *,
 988                                      struct input_event *bufp));
 989 extern int x_check_property_data P_ ((Lisp_Object));
 990 extern void x_fill_property_data P_ ((Display *,
 991                                       Lisp_Object,
 992                                       void *,
 993                                       int));
 994 extern Lisp_Object x_property_data_to_lisp P_ ((struct frame *,
 995                                                 unsigned char *,
 996                                                 Atom,
 997                                                 int,
 998                                                 unsigned long));
 999
1000 /* Defined in xfns.c */
1001
1002 extern struct x_display_info * check_x_display_info P_ ((Lisp_Object frame));
1003
1004 #ifdef USE_GTK
1005 extern int xg_set_icon P_ ((struct frame *, Lisp_Object));
1006 extern int xg_set_icon_from_xpm_data P_ ((struct frame *, char**));
1007 #endif /* USE_GTK */
1008
1009 extern void x_real_positions P_ ((struct frame *, int *, int *));
1010 extern int defined_color P_ ((struct frame *, char *, XColor *, int));
1011 extern void x_set_border_pixel P_ ((struct frame *, int));
1012 extern void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
1013 extern void x_implicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
1014 extern void xic_free_xfontset P_ ((struct frame *));
1015 extern void create_frame_xic P_ ((struct frame *));
1016 extern void destroy_frame_xic P_ ((struct frame *));
1017 extern void xic_set_preeditarea P_ ((struct window *, int, int));
1018 extern void xic_set_statusarea P_ ((struct frame *));
1019 extern void xic_set_xfontset P_ ((struct frame *, char *));
1020 extern int x_pixel_width P_ ((struct frame *));
1021 extern int x_pixel_height P_ ((struct frame *));
1022 extern int x_char_width P_ ((struct frame *));
1023 extern int x_char_height P_ ((struct frame *));
1024 extern int x_screen_planes P_ ((struct frame *));
1025 extern void x_sync P_ ((struct frame *));
1026 extern int x_defined_color P_ ((struct frame *, char *, XColor *, int));
1027 #ifdef HAVE_X_I18N
1028 extern void free_frame_xic P_ ((struct frame *));
1029 #endif
1030 extern void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
1031
1032 /* Defined in xfaces.c */
1033
1034 extern int compute_glyph_face P_ ((struct frame *, int, int));
1035 extern int compute_glyph_face_1 P_ ((struct frame *, Lisp_Object, int));
1036 extern void x_free_dpy_colors P_ ((Display *, Screen *, Colormap,
1037                                    unsigned long *, int));
1038
1039 /* Defined in xmenu.c */
1040
1041 extern void x_menu_set_in_use P_ ((int));
1042 extern void x_menu_wait_for_event P_ ((void *data));
1043 extern void x_activate_menubar P_ ((struct frame *));
1044 extern int popup_activated P_ ((void));
1045 extern void initialize_frame_menubar P_ ((struct frame *));
1046 extern void free_frame_menubar P_ ((struct frame *));
1047
1048 /* Defined in widget.c */
1049
1050 #ifdef USE_X_TOOLKIT
1051 extern void widget_store_internal_border P_ ((Widget));
1052 #endif
1053
1054 /* Defined in xsmfns.c */
1055 #ifdef HAVE_X_SM
1056 extern void x_session_initialize P_ ((struct x_display_info *dpyinfo));
1057 extern int x_session_check_input P_ ((struct input_event *bufp));
1058 extern int x_session_have_connection P_ ((void));
1059 extern void x_session_close P_ ((void));
1060 #endif
1061
1062 /* XEmbed implementation.  */
1063
1064 #define XEMBED_VERSION 0
1065
1066 enum xembed_info
1067   {
1068     XEMBED_MAPPED = 1 << 0
1069   };
1070
1071 enum xembed_message
1072   {
1073     XEMBED_EMBEDDED_NOTIFY        = 0,
1074     XEMBED_WINDOW_ACTIVATE        = 1,
1075     XEMBED_WINDOW_DEACTIVATE      = 2,
1076     XEMBED_REQUEST_FOCUS          = 3,
1077     XEMBED_FOCUS_IN               = 4,
1078     XEMBED_FOCUS_OUT              = 5,
1079     XEMBED_FOCUS_NEXT             = 6,
1080     XEMBED_FOCUS_PREV             = 7,
1081
1082     XEMBED_MODALITY_ON            = 10,
1083     XEMBED_MODALITY_OFF           = 11,
1084     XEMBED_REGISTER_ACCELERATOR   = 12,
1085     XEMBED_UNREGISTER_ACCELERATOR = 13,
1086     XEMBED_ACTIVATE_ACCELERATOR   = 14
1087   };
1088
1089 enum xembed_focus
1090   {
1091     XEMBED_FOCUS_CURRENT = 0,
1092     XEMBED_FOCUS_FIRST   = 1,
1093     XEMBED_FOCUS_LAST    = 2
1094   };
1095
1096 enum xembed_modifier
1097   {
1098     XEMBED_MODIFIER_SHIFT   = 1 << 0,
1099     XEMBED_MODIFIER_CONTROL = 1 << 1,
1100     XEMBED_MODIFIER_ALT     = 1 << 2,
1101     XEMBED_MODIFIER_SUPER   = 1 << 3,
1102     XEMBED_MODIFIER_HYPER   = 1 << 4
1103   };
1104
1105 enum xembed_accelerator
1106   {
1107     XEMBED_ACCELERATOR_OVERLOADED = 1 << 0
1108   };
1109
1110 /* Defined in xterm.c */
1111
1112 extern void xembed_set_info P_ ((struct frame *f, enum xembed_info flags));
1113 extern void xembed_send_message P_ ((struct frame *f, Time time,
1114                                      enum xembed_message message,
1115                                      long detail, long data1, long data2));
1116
1117 /* Is the frame embedded into another application? */
1118
1119 #define FRAME_X_EMBEDDED_P(f) (FRAME_X_OUTPUT(f)->explicit_parent != 0)
1120
1121
1122 #define FONT_TYPE_FOR_UNIBYTE(font, ch) 0
1123 #define FONT_TYPE_FOR_MULTIBYTE(font, ch) 0
1124
1125 #define STORE_XCHAR2B(chp, b1, b2) \
1126   ((chp)->byte1 = (b1), (chp)->byte2 = (b2))
1127
1128 #define XCHAR2B_BYTE1(chp) \
1129   ((chp)->byte1)
1130
1131 #define XCHAR2B_BYTE2(chp) \
1132   ((chp)->byte2)
1133
1134
1135 #define STORE_NATIVE_RECT(nr,rx,ry,rwidth,rheight)      \
1136   ((nr).x = (rx),                                       \
1137    (nr).y = (ry),                                       \
1138    (nr).width = (rwidth),                               \
1139    (nr).height = (rheight))
1140
1141 /* arch-tag: 78a7972a-b18f-4694-861a-0780c4b3090e
1142    (do not change this comment) */