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, 2010 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 /* The GtkTooltip API came in 2.12, but gtk-enable-tooltips in 2.14. */
  55 #if GTK_MAJOR_VERSION > 2 || GTK_MINOR_VERSION > 13
  56 #define USE_GTK_TOOLTIP
  57 #endif
  58
  59 #endif /* USE_GTK */
  60
  61 \f
  62 /* Bookkeeping to distinguish X versions.  */
  63
  64
  65 #ifdef HAVE_X_I18N
  66 #include <X11/Xlocale.h>
  67 #endif
  68 \f
  69 #define BLACK_PIX_DEFAULT(f) BlackPixel (FRAME_X_DISPLAY (f), \
  70                                          XScreenNumberOfScreen (FRAME_X_SCREEN (f)))
  71 #define WHITE_PIX_DEFAULT(f) WhitePixel (FRAME_X_DISPLAY (f), \
  72                                          XScreenNumberOfScreen (FRAME_X_SCREEN (f)))
  73
  74 #define FONT_WIDTH(f)   ((f)->max_width)
  75 #define FONT_HEIGHT(f)  ((f)->ascent + (f)->descent)
  76 #define FONT_BASE(f)    ((f)->ascent)
  77 #define FONT_DESCENT(f) ((f)->descent)
  78
  79 /* The mask of events that text windows always want to receive.  This
  80    includes mouse movement events, since handling the mouse-font text property
  81    means that we must track mouse motion all the time.  */
  82
  83 #define STANDARD_EVENT_SET      \
  84   (KeyPressMask                 \
  85    | ExposureMask               \
  86    | ButtonPressMask            \
  87    | ButtonReleaseMask          \
  88    | PointerMotionMask          \
  89    | StructureNotifyMask        \
  90    | FocusChangeMask            \
  91    | LeaveWindowMask            \
  92    | EnterWindowMask            \
  93    | VisibilityChangeMask)
  94
  95 #ifdef HAVE_X11R6_XIM
  96 /* Data structure passed to xim_instantiate_callback.  */
  97 struct xim_inst_t
  98 {
  99   struct x_display_info *dpyinfo;
 100   char *resource_name;
 101 };
 102 #endif /* HAVE_X11R6_XIM */
 103
 104 /* Structure recording X pixmap and reference count.
 105    If REFCOUNT is 0 then this record is free to be reused.  */
 106
 107 struct x_bitmap_record
 108 {
 109   Pixmap pixmap;
 110   int have_mask;
 111   Pixmap mask;
 112   char *file;
 113   int refcount;
 114   /* Record some info about this pixmap.  */
 115   int height, width, depth;
 116 };
 117 \f
 118 /* For each X display, we have a structure that records
 119    information about it.  */
 120
 121 struct x_display_info
 122 {
 123   /* Chain of all x_display_info structures.  */
 124   struct x_display_info *next;
 125
 126   /* The generic display parameters corresponding to this X display. */
 127   struct terminal *terminal;
 128
 129   /* Connection number (normally a file descriptor number).  */
 130   int connection;
 131
 132   /* This says how to access this display in Xlib.  */
 133   Display *display;
 134
 135   /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
 136      The same cons cell also appears in x_display_name_list.  */
 137   Lisp_Object name_list_element;
 138
 139   /* Number of frames that are on this display.  */
 140   int reference_count;
 141
 142   /* The Screen this connection is connected to.  */
 143   Screen *screen;
 144
 145   /* Dots per inch of the screen.  */
 146   double resx, resy;
 147
 148   /* The Visual being used for this display.  */
 149   Visual *visual;
 150
 151   /* The colormap being used.  */
 152   Colormap cmap;
 153
 154   /* Number of planes on this screen.  */
 155   int n_planes;
 156
 157   /* Mask of things that cause the mouse to be grabbed.  */
 158   int grabbed;
 159
 160   /* Emacs bitmap-id of the default icon bitmap for this frame.
 161      Or -1 if none has been allocated yet.  */
 162   int icon_bitmap_id;
 163
 164   /* The root window of this screen.  */
 165   Window root_window;
 166
 167   /* Client leader window.  */
 168   Window client_leader_window;
 169
 170   /* The cursor to use for vertical scroll bars.  */
 171   Cursor vertical_scroll_bar_cursor;
 172
 173   /* The invisible cursor used for pointer blanking.  */
 174   Cursor invisible_cursor;
 175
 176 #ifdef USE_GTK
 177   /* The GDK cursor for scroll bars and popup menus.  */
 178   GdkCursor *xg_cursor;
 179 #endif
 180
 181   /* X Resource data base */
 182   XrmDatabase xrdb;
 183
 184   /* Minimum width over all characters in all fonts in font_table.  */
 185   int smallest_char_width;
 186
 187   /* Minimum font height over all fonts in font_table.  */
 188   int smallest_font_height;
 189
 190   /* Reusable Graphics Context for drawing a cursor in a non-default face. */
 191   GC scratch_cursor_gc;
 192
 193   /* Information about the range of text currently shown in
 194      mouse-face.  */
 195   Mouse_HLInfo mouse_highlight;
 196
 197   char *x_id_name;
 198
 199   /* The number of fonts opened for this display.  */
 200   int n_fonts;
 201
 202   /* Pointer to bitmap records.  */
 203   struct x_bitmap_record *bitmaps;
 204
 205   /* Allocated size of bitmaps field.  */
 206   int bitmaps_size;
 207
 208   /* Last used bitmap index.  */
 209   int bitmaps_last;
 210
 211   /* Which modifier keys are on which modifier bits?
 212
 213      With each keystroke, X returns eight bits indicating which modifier
 214      keys were held down when the key was pressed.  The interpretation
 215      of the top five modifier bits depends on what keys are attached
 216      to them.  If the Meta_L and Meta_R keysyms are on mod5, then mod5
 217      is the meta bit.
 218
 219      meta_mod_mask is a mask containing the bits used for the meta key.
 220      It may have more than one bit set, if more than one modifier bit
 221      has meta keys on it.  Basically, if EVENT is a KeyPress event,
 222      the meta key is pressed if (EVENT.state & meta_mod_mask) != 0.
 223
 224      shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the
 225      lock modifier bit, or zero otherwise.  Non-alphabetic keys should
 226      only be affected by the lock modifier bit if XK_Shift_Lock is in
 227      use; XK_Caps_Lock should only affect alphabetic keys.  With this
 228      arrangement, the lock modifier should shift the character if
 229      (EVENT.state & shift_lock_mask) != 0.  */
 230   int meta_mod_mask, shift_lock_mask;
 231
 232   /* These are like meta_mod_mask, but for different modifiers.  */
 233   int alt_mod_mask, super_mod_mask, hyper_mod_mask;
 234
 235   /* Communication with window managers.  */
 236   Atom Xatom_wm_protocols;
 237
 238   /* Kinds of protocol things we may receive.  */
 239   Atom Xatom_wm_take_focus;
 240   Atom Xatom_wm_save_yourself;
 241   Atom Xatom_wm_delete_window;
 242
 243   /* Atom for indicating window state to the window manager.  */
 244   Atom Xatom_wm_change_state;
 245
 246   /* Other WM communication */
 247   Atom Xatom_wm_configure_denied; /* When our config request is denied */
 248   Atom Xatom_wm_window_moved;     /* When the WM moves us.  */
 249   Atom Xatom_wm_client_leader;    /* Id of client leader window.  */
 250
 251   /* EditRes protocol */
 252   Atom Xatom_editres;
 253
 254   /* More atoms, which are selection types.  */
 255   Atom Xatom_CLIPBOARD, Xatom_TIMESTAMP, Xatom_TEXT, Xatom_DELETE,
 256   Xatom_COMPOUND_TEXT, Xatom_UTF8_STRING,
 257   Xatom_MULTIPLE, Xatom_INCR, Xatom_EMACS_TMP, Xatom_TARGETS, Xatom_NULL,
 258   Xatom_ATOM_PAIR;
 259
 260   /* More atoms for font properties.  The last three are private
 261      properties, see the comments in src/fontset.h.  */
 262   Atom Xatom_PIXEL_SIZE, Xatom_AVERAGE_WIDTH,
 263   Xatom_MULE_BASELINE_OFFSET, Xatom_MULE_RELATIVE_COMPOSE,
 264   Xatom_MULE_DEFAULT_ASCENT;
 265
 266   /* More atoms for Ghostscript support.  */
 267   Atom Xatom_DONE, Xatom_PAGE;
 268
 269   /* Atom used in toolkit scroll bar client messages.  */
 270   Atom Xatom_Scrollbar;
 271
 272   /* Atom used in XEmbed client messages.  */
 273   Atom Xatom_XEMBED;
 274
 275   /* The frame (if any) which has the X window that has keyboard focus.
 276      Zero if none.  This is examined by Ffocus_frame in xfns.c.  Note
 277      that a mere EnterNotify event can set this; if you need to know the
 278      last frame specified in a FocusIn or FocusOut event, use
 279      x_focus_event_frame.  */
 280   struct frame *x_focus_frame;
 281
 282   /* The last frame mentioned in a FocusIn or FocusOut event.  This is
 283      separate from x_focus_frame, because whether or not LeaveNotify
 284      events cause us to lose focus depends on whether or not we have
 285      received a FocusIn event for it.  */
 286   struct frame *x_focus_event_frame;
 287
 288   /* The frame which currently has the visual highlight, and should get
 289      keyboard input (other sorts of input have the frame encoded in the
 290      event).  It points to the X focus frame's selected window's
 291      frame.  It differs from x_focus_frame when we're using a global
 292      minibuffer.  */
 293   struct frame *x_highlight_frame;
 294
 295   /* The gray pixmap.  */
 296   Pixmap gray;
 297
 298 #ifdef HAVE_X_I18N
 299   /* XIM (X Input method).  */
 300   XIM xim;
 301   XIMStyles *xim_styles;
 302   struct xim_inst_t *xim_callback_data;
 303 #endif
 304
 305   /* If non-null, a cache of the colors in the color map.  Don't
 306      use this directly, call x_color_cells instead.  */
 307   XColor *color_cells;
 308   int ncolor_cells;
 309
 310   /* Bits and shifts to use to compose pixel values on TrueColor visuals.  */
 311   int red_bits, blue_bits, green_bits;
 312   int red_offset, blue_offset, green_offset;
 313
 314   /* The type of window manager we have.  If we move FRAME_OUTER_WINDOW
 315      to x/y 0/0, some window managers (type A) puts the window manager
 316      decorations outside the screen and FRAME_OUTER_WINDOW exactly at 0/0.
 317      Other window managers (type B) puts the window including decorations
 318      at 0/0, so FRAME_OUTER_WINDOW is a bit below 0/0.
 319      Record the type of WM in use so we can compensate for type A WMs.  */
 320   enum
 321     {
 322       X_WMTYPE_UNKNOWN,
 323       X_WMTYPE_A,
 324       X_WMTYPE_B
 325     } wm_type;
 326
 327
 328   /* Atoms that are drag and drop atoms */
 329   Atom *x_dnd_atoms;
 330   size_t x_dnd_atoms_size;
 331   size_t x_dnd_atoms_length;
 332
 333   /* Extended window manager hints, Atoms supported by the window manager and
 334      atoms for settig the window type.  */
 335   Atom *net_supported_atoms;
 336   int nr_net_supported_atoms;
 337   Window net_supported_window;
 338   Atom Xatom_net_window_type, Xatom_net_window_type_tooltip;
 339
 340   /* Atoms dealing with EWMH (i.e. _NET_...) */
 341   Atom Xatom_net_wm_state, Xatom_net_wm_state_fullscreen_atom,
 342     Xatom_net_wm_state_maximized_horz, Xatom_net_wm_state_maximized_vert,
 343     Xatom_net_wm_state_sticky, Xatom_net_frame_extents;
 344
 345   /* XSettings atoms and windows.  */
 346   Atom Xatom_xsettings_sel, Xatom_xsettings_prop, Xatom_xsettings_mgr;
 347   Window xsettings_window;
 348
 349   /* Frame name and icon name */
 350   Atom Xatom_net_wm_name, Xatom_net_wm_icon_name;
 351 };
 352
 353 #ifdef HAVE_X_I18N
 354 /* Whether or not to use XIM if we have it.  */
 355 extern int use_xim;
 356 #endif
 357
 358 /* This checks to make sure we have a display.  */
 359
 360 extern void check_x (void);
 361
 362 extern struct frame *x_window_to_frame (struct x_display_info *, int);
 363
 364 extern struct frame *x_any_window_to_frame (struct x_display_info *, int);
 365 extern struct frame *x_menubar_window_to_frame (struct x_display_info *,
 366                                                 XEvent *);
 367
 368 extern struct frame *x_top_window_to_frame (struct x_display_info *, int);
 369
 370 #if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK)
 371 #define x_any_window_to_frame x_window_to_frame
 372 #define x_top_window_to_frame x_window_to_frame
 373 #endif
 374
 375 /* This is a chain of structures for all the X displays currently in use.  */
 376 extern struct x_display_info *x_display_list;
 377
 378 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
 379    one for each element of x_display_list and in the same order.
 380    NAME is the name of the frame.
 381    FONT-LIST-CACHE records previous values returned by x-list-fonts.  */
 382 extern Lisp_Object x_display_name_list;
 383
 384 /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'.  */
 385 extern Lisp_Object Vx_pixel_size_width_font_regexp;
 386
 387 extern struct x_display_info *x_display_info_for_display (Display *);
 388 extern struct x_display_info *x_display_info_for_name (Lisp_Object);
 389 extern void x_set_frame_alpha (struct frame *);
 390
 391 extern struct x_display_info *x_term_init (Lisp_Object, char *, char *);
 392 extern int x_display_ok  (const char *);
 393
 394 extern void select_visual (struct x_display_info *);
 395
 396 \f
 397 struct font;
 398
 399 /* Each X frame object points to its own struct x_output object
 400    in the output_data.x field.  The x_output structure contains
 401    the information that is specific to X windows.  */
 402
 403 struct x_output
 404 {
 405   /* Height of menu bar widget, in pixels.
 406      Zero if not using the X toolkit.
 407      When using the toolkit, this value is not meaningful
 408      if the menubar is turned off.  */
 409   int menubar_height;
 410
 411   /* Height of tool bar widget, in pixels.  top_height is used if tool bar
 412      at top, bottom_height if tool bar is at the bottom.
 413      Zero if not using an external tool bar or if tool bar is vertical.  */
 414   int toolbar_top_height, toolbar_bottom_height;
 415
 416   /* Width of tool bar widget, in pixels.  left_width is used if tool bar
 417      at left, right_width if tool bar is at the right.
 418      Zero if not using an external tool bar or if tool bar is horizontal.  */
 419   int toolbar_left_width, toolbar_right_width;
 420
 421   /* The tiled border used when the mouse is out of the frame.  */
 422   Pixmap border_tile;
 423
 424   /* Here are the Graphics Contexts for the default font.  */
 425   GC normal_gc;                         /* Normal video */
 426   GC reverse_gc;                        /* Reverse video */
 427   GC cursor_gc;                         /* cursor drawing */
 428
 429   /* The X window used for this frame.
 430      May be zero while the frame object is being created
 431      and the X window has not yet been created.  */
 432   Window window_desc;
 433
 434   /* The X window used for the bitmap icon;
 435      or 0 if we don't have a bitmap icon.  */
 436   Window icon_desc;
 437
 438   /* The X window that is the parent of this X window.
 439      Usually this is a window that was made by the window manager,
 440      but it can be the root window, and it can be explicitly specified
 441      (see the explicit_parent field, below).  */
 442   Window parent_desc;
 443
 444 #ifdef USE_X_TOOLKIT
 445   /* The widget of this screen.  This is the window of a "shell" widget.  */
 446   Widget widget;
 447   /* The XmPanedWindows...  */
 448   Widget column_widget;
 449   /* The widget of the edit portion of this screen; the window in
 450      "window_desc" is inside of this.  */
 451   Widget edit_widget;
 452
 453   Widget menubar_widget;
 454 #endif
 455
 456 #ifdef USE_GTK
 457   /* The widget of this screen.  This is the window of a top widget.  */
 458   GtkWidget *widget;
 459   /* The widget of the edit portion of this screen; the window in
 460      "window_desc" is inside of this.  */
 461   GtkWidget *edit_widget;
 462   /* The widget used for laying out widgets vertically.  */
 463   GtkWidget *vbox_widget;
 464   /* The widget used for laying out widgets horizontally.  */
 465   GtkWidget *hbox_widget;
 466   /* The menubar in this frame.  */
 467   GtkWidget *menubar_widget;
 468   /* The tool bar in this frame  */
 469   GtkWidget *toolbar_widget;
 470   /* The handle box that makes the tool bar detachable.  */
 471   GtkWidget *handlebox_widget;
 472   /* Non-zero if the tool bar is detached.  */
 473   int toolbar_detached;
 474   /* Non-zero if tool bar is packed into the hbox widget (i.e. vertical).  */
 475   int toolbar_in_hbox;
 476
 477   /* The last size hints set.  */
 478   GdkGeometry size_hints;
 479   long hint_flags;
 480
 481 #ifdef USE_GTK_TOOLTIP
 482   GtkTooltip *ttip_widget;
 483   GtkWidget *ttip_lbl;
 484   GtkWindow *ttip_window;
 485 #endif /* USE_GTK_TOOLTIP */
 486
 487 #endif /* USE_GTK */
 488
 489   /* If >=0, a bitmap index.  The indicated bitmap is used for the
 490      icon. */
 491   int icon_bitmap;
 492
 493   /* Default ASCII font of this frame.  */
 494   struct font *font;
 495
 496   /* The baseline offset of the default ASCII font.  */
 497   int baseline_offset;
 498
 499   /* If a fontset is specified for this frame instead of font, this
 500      value contains an ID of the fontset, else -1.  */
 501   int fontset;
 502
 503   /* Pixel values used for various purposes.
 504      border_pixel may be -1 meaning use a gray tile.  */
 505 #if 0 /* These are also defined in struct frame.  Use that instead.  */
 506   unsigned long background_pixel;
 507   unsigned long foreground_pixel;
 508 #endif
 509   unsigned long cursor_pixel;
 510   unsigned long border_pixel;
 511   unsigned long mouse_pixel;
 512   unsigned long cursor_foreground_pixel;
 513
 514   /* Foreground color for scroll bars.  A value of -1 means use the
 515      default (black for non-toolkit scroll bars).  */
 516   unsigned long scroll_bar_foreground_pixel;
 517
 518   /* Background color for scroll bars.  A value of -1 means use the
 519      default (background color of the frame for non-toolkit scroll
 520      bars).  */
 521   unsigned long scroll_bar_background_pixel;
 522
 523   /* Top and bottom shadow colors for 3d toolkit scrollbars.  -1 means
 524      let the scroll compute them itself.  */
 525   unsigned long scroll_bar_top_shadow_pixel;
 526   unsigned long scroll_bar_bottom_shadow_pixel;
 527
 528   /* Descriptor for the cursor in use for this window.  */
 529   Cursor text_cursor;
 530   Cursor nontext_cursor;
 531   Cursor modeline_cursor;
 532   Cursor hand_cursor;
 533   Cursor hourglass_cursor;
 534   Cursor horizontal_drag_cursor;
 535   Cursor current_cursor;
 536
 537   /* Window whose cursor is hourglass_cursor.  This window is temporarily
 538      mapped to display an hourglass cursor.  */
 539   Window hourglass_window;
 540
 541   /* Non-zero means hourglass cursor is currently displayed.  */
 542   unsigned hourglass_p : 1;
 543
 544   /* Flag to set when the X window needs to be completely repainted.  */
 545   int needs_exposure;
 546
 547   /* These are the current window manager hints.  It seems that
 548      XSetWMHints, when presented with an unset bit in the `flags'
 549      member of the hints structure, does not leave the corresponding
 550      attribute unchanged; rather, it resets that attribute to its
 551      default value.  For example, unless you set the `icon_pixmap'
 552      field and the `IconPixmapHint' bit, XSetWMHints will forget what
 553      your icon pixmap was.  This is rather troublesome, since some of
 554      the members (for example, `input' and `icon_pixmap') want to stay
 555      the same throughout the execution of Emacs.  So, we keep this
 556      structure around, just leaving values in it and adding new bits
 557      to the mask as we go.  */
 558   XWMHints wm_hints;
 559
 560   /* This is the Emacs structure for the X display this frame is on.  */
 561   struct x_display_info *display_info;
 562
 563   /* This is a button event that wants to activate the menubar.
 564      We save it here until the command loop gets to think about it.  */
 565   XEvent *saved_menu_event;
 566
 567   /* This is the widget id used for this frame's menubar in lwlib.  */
 568 #ifdef USE_X_TOOLKIT
 569   int id;
 570 #endif
 571
 572   /* Nonzero means our parent is another application's window
 573      and was explicitly specified.  */
 574   char explicit_parent;
 575
 576   /* Nonzero means tried already to make this frame visible.  */
 577   char asked_for_visible;
 578
 579   /* Nonzero if this frame was ever previously visible.  */
 580   char has_been_visible;
 581
 582 #ifdef HAVE_X_I18N
 583   /* Input context (currently, this means Compose key handler setup).  */
 584   XIC xic;
 585   XIMStyle xic_style;
 586   XFontSet xic_xfs;
 587   char *xic_base_fontname;
 588 #endif
 589
 590   /* Relief GCs, colors etc.  */
 591   struct relief
 592   {
 593     GC gc;
 594     unsigned long pixel;
 595     int allocated_p;
 596   }
 597   black_relief, white_relief;
 598
 599   /* The background for which the above relief GCs were set up.
 600      They are changed only when a different background is involved.  */
 601   unsigned long relief_background;
 602
 603   /* Xt waits for a ConfigureNotify event from the window manager in
 604      EmacsFrameSetCharSize when the shell widget is resized.  For some
 605      window managers like fvwm2 2.2.5 and KDE 2.1 this event doesn't
 606      arrive for an unknown reason and Emacs hangs in Xt.  If this is
 607      zero, tell Xt not to wait.  */
 608   int wait_for_wm;
 609
 610   /* As x_pixels_diff, but to FRAME_OUTER_WINDOW.  For some reason the
 611      two might differ by a pixel, depending on WM */
 612   int x_pixels_outer_diff;
 613
 614   /* As y_pixels_diff, but to FRAME_OUTER_WINDOW.  In the toolkit version,
 615      these may differ because this does not take into account possible
 616      menubar.  y_pixels_diff is with menubar height included */
 617   int y_pixels_outer_diff;
 618
 619   /* Keep track of focus.  May be EXPLICIT if we received a FocusIn for this
 620      frame, or IMPLICIT if we received an EnterNotify.
 621      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 622   int focus_state;
 623
 624   /* The offset we need to add to compensate for type A WMs.  */
 625   int move_offset_top;
 626   int move_offset_left;
 627
 628   /* The frame's left/top offsets before we call XMoveWindow.  See
 629      x_check_expected_move.  */
 630   int left_before_move;
 631   int top_before_move;
 632 };
 633
 634 #define No_Cursor (None)
 635
 636 enum
 637 {
 638   /* Values for focus_state, used as bit mask.
 639      EXPLICIT means we received a FocusIn for the frame and know it has
 640      the focus.  IMPLICIT means we recevied an EnterNotify and the frame
 641      may have the focus if no window manager is running.
 642      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 643   FOCUS_NONE     = 0,
 644   FOCUS_IMPLICIT = 1,
 645   FOCUS_EXPLICIT = 2
 646 };
 647
 648
 649 /* Return the X output data for frame F.  */
 650 #define FRAME_X_OUTPUT(f) ((f)->output_data.x)
 651
 652 /* Return the X window used for displaying data in frame F.  */
 653 #define FRAME_X_WINDOW(f) ((f)->output_data.x->window_desc)
 654
 655 /* Return the outermost X window associated with the frame F.  */
 656 #ifdef USE_X_TOOLKIT
 657 #define FRAME_OUTER_WINDOW(f) ((f)->output_data.x->widget ?             \
 658                                XtWindow ((f)->output_data.x->widget) :  \
 659                                FRAME_X_WINDOW (f))
 660 #else
 661 #ifdef USE_GTK
 662 /* Functions not present in older Gtk+ */
 663
 664 #ifndef HAVE_GTK_WIDGET_GET_WINDOW
 665 #define gtk_widget_get_window(w) ((w)->window)
 666 #endif
 667 #ifndef HAVE_GTK_WIDGET_GET_MAPPED
 668 #define gtk_widget_get_mapped(w) (GTK_WIDGET_MAPPED (w))
 669 #endif
 670 #ifndef HAVE_GTK_ADJUSTMENT_GET_PAGE_SIZE
 671 #define gtk_adjustment_get_page_size(w) ((w)->page_size)
 672 #define gtk_adjustment_get_upper(w) ((w)->upper)
 673 #endif
 674
 675 #define GTK_WIDGET_TO_X_WIN(w) \
 676   ((w) && gtk_widget_get_window (w) \
 677    ? GDK_WINDOW_XWINDOW (gtk_widget_get_window (w)) : 0)
 678
 679 #define FRAME_GTK_OUTER_WIDGET(f) ((f)->output_data.x->widget)
 680 #define FRAME_GTK_WIDGET(f) ((f)->output_data.x->edit_widget)
 681 #define FRAME_OUTER_WINDOW(f)                                   \
 682        (FRAME_GTK_OUTER_WIDGET (f) ?                            \
 683         GTK_WIDGET_TO_X_WIN (FRAME_GTK_OUTER_WIDGET (f)) :      \
 684          FRAME_X_WINDOW (f))
 685
 686 #else /* !USE_GTK */
 687 #define FRAME_OUTER_WINDOW(f) (FRAME_X_WINDOW (f))
 688 #endif /* !USE_GTK */
 689 #endif
 690
 691
 692 #define FRAME_FONT(f) ((f)->output_data.x->font)
 693 #define FRAME_FONTSET(f) ((f)->output_data.x->fontset)
 694 #define FRAME_MENUBAR_HEIGHT(f) ((f)->output_data.x->menubar_height)
 695 #define FRAME_TOOLBAR_TOP_HEIGHT(f) ((f)->output_data.x->toolbar_top_height)
 696 #define FRAME_TOOLBAR_BOTTOM_HEIGHT(f) \
 697   ((f)->output_data.x->toolbar_bottom_height)
 698 #define FRAME_TOOLBAR_HEIGHT(f) \
 699   (FRAME_TOOLBAR_TOP_HEIGHT (f) + FRAME_TOOLBAR_BOTTOM_HEIGHT (f))
 700 #define FRAME_TOOLBAR_LEFT_WIDTH(f) ((f)->output_data.x->toolbar_left_width)
 701 #define FRAME_TOOLBAR_RIGHT_WIDTH(f) ((f)->output_data.x->toolbar_right_width)
 702 #define FRAME_TOOLBAR_WIDTH(f) \
 703   (FRAME_TOOLBAR_LEFT_WIDTH (f) + FRAME_TOOLBAR_RIGHT_WIDTH (f))
 704 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.x->baseline_offset)
 705
 706 /* This gives the x_display_info structure for the display F is on.  */
 707 #define FRAME_X_DISPLAY_INFO(f) ((f)->output_data.x->display_info)
 708
 709 /* This is the `Display *' which frame F is on.  */
 710 #define FRAME_X_DISPLAY(f) (FRAME_X_DISPLAY_INFO (f)->display)
 711
 712 /* This is the `Screen *' which frame F is on.  */
 713 #define FRAME_X_SCREEN(f) (FRAME_X_DISPLAY_INFO (f)->screen)
 714 #define FRAME_X_SCREEN_NUMBER(f) XScreenNumberOfScreen (FRAME_X_SCREEN (f))
 715
 716 /* This is the Visual which frame F is on.  */
 717 #define FRAME_X_VISUAL(f) FRAME_X_DISPLAY_INFO (f)->visual
 718
 719 /* This is the Colormap which frame F uses.  */
 720 #define FRAME_X_COLORMAP(f) FRAME_X_DISPLAY_INFO (f)->cmap
 721
 722 /* This is the 'font_info *' which frame F has.  */
 723 #define FRAME_X_FONT_TABLE(f) (FRAME_X_DISPLAY_INFO (f)->font_table)
 724
 725 /* The difference in pixels between the top left corner of the
 726    Emacs window (including possible window manager decorations)
 727    and FRAME_X_WINDOW (f).  */
 728 #define FRAME_OUTER_TO_INNER_DIFF_X(f) \
 729      ((f)->output_data.x->x_pixels_outer_diff)
 730 #define FRAME_OUTER_TO_INNER_DIFF_Y(f)          \
 731      ((f)->output_data.x->y_pixels_outer_diff   \
 732       + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f))
 733
 734
 735 #define FRAME_XIC(f) ((f)->output_data.x->xic)
 736 #define FRAME_X_XIM(f) (FRAME_X_DISPLAY_INFO (f)->xim)
 737 #define FRAME_X_XIM_STYLES(f) (FRAME_X_DISPLAY_INFO (f)->xim_styles)
 738 #define FRAME_XIC_STYLE(f) ((f)->output_data.x->xic_style)
 739 #define FRAME_XIC_FONTSET(f) ((f)->output_data.x->xic_xfs)
 740 #define FRAME_XIC_BASE_FONTNAME(f) ((f)->output_data.x->xic_base_fontname)
 741
 742 /* Value is the smallest width of any character in any font on frame F.  */
 743
 744 #define FRAME_SMALLEST_CHAR_WIDTH(F) \
 745      FRAME_X_DISPLAY_INFO(F)->smallest_char_width
 746
 747 /* Value is the smallest height of any font on frame F.  */
 748
 749 #define FRAME_SMALLEST_FONT_HEIGHT(F) \
 750      FRAME_X_DISPLAY_INFO(F)->smallest_font_height
 751 \f
 752 /* X-specific scroll bar stuff.  */
 753
 754 /* We represent scroll bars as lisp vectors.  This allows us to place
 755    references to them in windows without worrying about whether we'll
 756    end up with windows referring to dead scroll bars; the garbage
 757    collector will free it when its time comes.
 758
 759    We use struct scroll_bar as a template for accessing fields of the
 760    vector.  */
 761
 762 struct scroll_bar
 763 {
 764   /* These fields are shared by all vectors.  */
 765   EMACS_INT size_from_Lisp_Vector_struct;
 766   struct Lisp_Vector *next_from_Lisp_Vector_struct;
 767
 768   /* The window we're a scroll bar for.  */
 769   Lisp_Object window;
 770
 771   /* The next and previous in the chain of scroll bars in this frame.  */
 772   Lisp_Object next, prev;
 773
 774   /* Fields from `x_window' down will not be traced by the GC.  */
 775
 776   /* The X window representing this scroll bar.  */
 777   Window x_window;
 778
 779   /* The position and size of the scroll bar in pixels, relative to the
 780      frame.  */
 781   int top, left, width, height;
 782
 783   /* The starting and ending positions of the handle, relative to the
 784      handle area (i.e. zero is the top position, not
 785      SCROLL_BAR_TOP_BORDER).  If they're equal, that means the handle
 786      hasn't been drawn yet.
 787
 788      These are not actually the locations where the beginning and end
 789      are drawn; in order to keep handles from becoming invisible when
 790      editing large files, we establish a minimum height by always
 791      drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
 792      where they would be normally; the bottom and top are in a
 793      different co-ordinate system.  */
 794   int start, end;
 795
 796   /* If the scroll bar handle is currently being dragged by the user,
 797      this is the number of pixels from the top of the handle to the
 798      place where the user grabbed it.  If the handle isn't currently
 799      being dragged, this is Qnil.  */
 800   Lisp_Object dragging;
 801
 802   /* 1 if the background of the fringe that is adjacent to a scroll
 803      bar is extended to the gap between the fringe and the bar.  */
 804   unsigned int fringe_extended_p : 1;
 805 };
 806
 807 /* The number of elements a vector holding a struct scroll_bar needs.  */
 808 #define SCROLL_BAR_VEC_SIZE                                     \
 809   ((sizeof (struct scroll_bar)                                  \
 810     - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *))       \
 811    / sizeof (Lisp_Object))
 812
 813 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 814 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
 815
 816
 817 /* Extract the X widget of the scroll bar from a struct scroll_bar.
 818    XtWindowToWidget should be fast enough since Xt uses a hash table
 819    to map windows to widgets.  */
 820
 821 #define SCROLL_BAR_X_WIDGET(dpy, ptr) \
 822   XtWindowToWidget (dpy, ptr->x_window)
 823
 824 /* Store a widget id in a struct scroll_bar.  */
 825
 826 #define SET_SCROLL_BAR_X_WIDGET(ptr, w)         \
 827   do {                                          \
 828     Window window = XtWindow (w);               \
 829     ptr->x_window = window;                     \
 830 } while (0)
 831
 832
 833 /* Return the inside width of a vertical scroll bar, given the outside
 834    width.  */
 835 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f, width) \
 836   ((width) \
 837    - VERTICAL_SCROLL_BAR_LEFT_BORDER \
 838    - VERTICAL_SCROLL_BAR_RIGHT_BORDER \
 839    - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2)
 840
 841 /* Return the length of the rectangle within which the top of the
 842    handle must stay.  This isn't equivalent to the inside height,
 843    because the scroll bar handle has a minimum height.
 844
 845    This is the real range of motion for the scroll bar, so when we're
 846    scaling buffer positions to scroll bar positions, we use this, not
 847    VERTICAL_SCROLL_BAR_INSIDE_HEIGHT.  */
 848 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f, height) \
 849   (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
 850
 851 /* Return the inside height of vertical scroll bar, given the outside
 852    height.  See VERTICAL_SCROLL_BAR_TOP_RANGE too.  */
 853 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f, height) \
 854   ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
 855
 856
 857 /* Border widths for scroll bars.
 858
 859    Scroll bar windows don't have any X borders; their border width is
 860    set to zero, and we redraw borders ourselves.  This makes the code
 861    a bit cleaner, since we don't have to convert between outside width
 862    (used when relating to the rest of the screen) and inside width
 863    (used when sizing and drawing the scroll bar window itself).
 864
 865    The handle moves up and down/back and forth in a rectangle inset
 866    from the edges of the scroll bar.  These are widths by which we
 867    inset the handle boundaries from the scroll bar edges.  */
 868 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (2)
 869 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (2)
 870 #define VERTICAL_SCROLL_BAR_TOP_BORDER (2)
 871 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (2)
 872
 873 /* Minimum lengths for scroll bar handles, in pixels.  */
 874 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (5)
 875
 876 /* Trimming off a few pixels from each side prevents
 877    text from glomming up against the scroll bar */
 878 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
 879
 880 \f
 881 /* If a struct input_event has a kind which is SELECTION_REQUEST_EVENT
 882    or SELECTION_CLEAR_EVENT, then its contents are really described
 883    by this structure.  */
 884
 885 /* For an event of kind SELECTION_REQUEST_EVENT,
 886    this structure really describes the contents.
 887    **Don't make this struct longer!**
 888    If it overlaps the frame_or_window field of struct input_event,
 889    that will cause GC to crash.  */
 890 struct selection_input_event
 891 {
 892   int kind;
 893   Display *display;
 894   /* We spell it with an "o" here because X does.  */
 895   Window requestor;
 896   Atom selection, target, property;
 897   Time time;
 898 };
 899
 900 #define SELECTION_EVENT_DISPLAY(eventp) \
 901   (((struct selection_input_event *) (eventp))->display)
 902 /* We spell it with an "o" here because X does.  */
 903 #define SELECTION_EVENT_REQUESTOR(eventp)       \
 904   (((struct selection_input_event *) (eventp))->requestor)
 905 #define SELECTION_EVENT_SELECTION(eventp)       \
 906   (((struct selection_input_event *) (eventp))->selection)
 907 #define SELECTION_EVENT_TARGET(eventp)  \
 908   (((struct selection_input_event *) (eventp))->target)
 909 #define SELECTION_EVENT_PROPERTY(eventp)        \
 910   (((struct selection_input_event *) (eventp))->property)
 911 #define SELECTION_EVENT_TIME(eventp)    \
 912   (((struct selection_input_event *) (eventp))->time)
 913
 914 \f
 915 struct window;
 916 struct glyph_matrix;
 917 struct frame;
 918 struct input_event;
 919 struct face;
 920 struct image;
 921
 922 /* From xselect.c.  */
 923
 924 void x_handle_selection_notify (XSelectionEvent *);
 925 void x_handle_property_notify (XPropertyEvent *);
 926
 927 /* From xfns.c.  */
 928
 929 Lisp_Object display_x_get_resource (struct x_display_info *,
 930                                     Lisp_Object, Lisp_Object,
 931                                     Lisp_Object, Lisp_Object);
 932 struct frame *check_x_frame (Lisp_Object);
 933 EXFUN (Fx_display_color_p, 1);
 934 EXFUN (Fx_display_grayscale_p, 1);
 935 extern void x_free_gcs (struct frame *);
 936 extern int gray_bitmap_width, gray_bitmap_height;
 937 extern char *gray_bitmap_bits;
 938
 939 /* From xrdb.c.  */
 940
 941 char *x_get_customization_string (XrmDatabase, const char *, const char *);
 942 XrmDatabase x_load_resources (Display *, const char *, const char *,
 943                               const char *);
 944 int x_get_resource (XrmDatabase, const char *, const char *,
 945                     XrmRepresentation, XrmValue *);
 946 void x_delete_display (struct x_display_info *);
 947 void x_make_frame_visible (struct frame *);
 948 void x_iconify_frame (struct frame *);
 949 void x_wm_set_size_hint (struct frame *, long, int);
 950 int x_text_icon (struct frame *, const char *);
 951 int x_bitmap_icon (struct frame *, Lisp_Object);
 952 void x_set_window_size (struct frame *, int, int, int);
 953 void x_wm_set_window_state (struct frame *, int);
 954 int x_alloc_nearest_color (struct frame *, Colormap, XColor *);
 955
 956 /* Defined in xterm.c */
 957
 958 extern void cancel_mouse_face (struct frame *);
 959 extern void x_scroll_bar_clear (struct frame *);
 960 extern int x_text_icon (struct frame *, const char *);
 961 extern int x_bitmap_icon (struct frame *, Lisp_Object);
 962 extern void x_catch_errors (Display *);
 963 extern void x_check_errors (Display *, const char *);
 964 extern int x_had_errors_p (Display *);
 965 extern int x_catching_errors (void);
 966 extern void x_uncatch_errors (void);
 967 extern void x_clear_errors (Display *);
 968 extern void x_set_window_size (struct frame *, int, int, int);
 969 extern void x_set_mouse_position (struct frame *, int, int);
 970 extern void x_set_mouse_pixel_position (struct frame *, int, int);
 971 extern void x_ewmh_activate_frame (struct frame *);
 972 extern void x_raise_frame (struct frame *);
 973 extern void x_lower_frame (struct frame *);
 974 extern void x_make_frame_visible (struct frame *);
 975 extern void x_make_frame_invisible (struct frame *);
 976 extern void x_iconify_frame (struct frame *);
 977 extern void x_free_frame_resources (struct frame *);
 978 extern void x_destroy_window (struct frame *);
 979 extern void x_wm_set_size_hint (struct frame *, long, int);
 980 extern void x_wm_set_window_state (struct frame *, int);
 981 extern void x_wm_set_icon_pixmap (struct frame *, int);
 982 extern void x_delete_display (struct x_display_info *);
 983 extern void x_delete_terminal (struct terminal *terminal);
 984 extern void x_initialize (void);
 985 extern unsigned long x_copy_color (struct frame *, unsigned long);
 986 #ifdef USE_X_TOOLKIT
 987 extern XtAppContext Xt_app_con;
 988 extern int x_alloc_lighter_color_for_widget (Widget, Display*, Colormap,
 989                                              unsigned long *,
 990                                              double, int);
 991 extern void x_activate_timeout_atimer (void);
 992 #endif
 993 extern void x_query_colors (struct frame *f, XColor *, int);
 994 extern void x_query_color (struct frame *f, XColor *);
 995 extern void x_clear_area (Display *, Window, int, int, int, int, int);
 996 extern void set_vertical_scroll_bar (struct window *);
 997
 998 extern int x_dispatch_event (XEvent *, Display *);
 999 extern unsigned int x_x_to_emacs_modifiers (struct x_display_info *,
1000                                             unsigned);
1001 extern int x_display_pixel_height (struct x_display_info *);
1002 extern int x_display_pixel_width (struct x_display_info *);
1003
1004 extern void x_set_sticky (struct frame *, Lisp_Object, Lisp_Object);
1005 extern void x_wait_for_event (struct frame *, int);
1006
1007 /* Defined in xselect.c */
1008
1009 extern void x_handle_property_notify (XPropertyEvent *);
1010 extern void x_handle_selection_notify (XSelectionEvent *);
1011 extern void x_handle_selection_event (struct input_event *);
1012 extern void x_clear_frame_selections (struct frame *);
1013
1014 extern int x_handle_dnd_message (struct frame *,
1015                                  XClientMessageEvent *,
1016                                  struct x_display_info *,
1017                                  struct input_event *bufp);
1018 extern int x_check_property_data (Lisp_Object);
1019 extern void x_fill_property_data (Display *,
1020                                   Lisp_Object,
1021                                   void *,
1022                                   int);
1023 extern Lisp_Object x_property_data_to_lisp (struct frame *,
1024                                             const unsigned char *,
1025                                             Atom,
1026                                             int,
1027                                             unsigned long);
1028
1029 /* Defined in xfns.c */
1030
1031 extern struct x_display_info * check_x_display_info (Lisp_Object frame);
1032 extern Lisp_Object x_get_focus_frame (struct frame *);
1033
1034 #ifdef USE_GTK
1035 extern int xg_set_icon (struct frame *, Lisp_Object);
1036 extern int xg_set_icon_from_xpm_data (struct frame *, const char**);
1037 #endif /* USE_GTK */
1038
1039 extern void x_real_positions (struct frame *, int *, int *);
1040 extern int defined_color (struct frame *, const char *, XColor *, int);
1041 extern void x_set_border_pixel (struct frame *, int);
1042 extern void x_set_menu_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
1043 extern void x_implicitly_set_name (struct frame *, Lisp_Object, Lisp_Object);
1044 extern void xic_free_xfontset (struct frame *);
1045 extern void create_frame_xic (struct frame *);
1046 extern void destroy_frame_xic (struct frame *);
1047 extern void xic_set_preeditarea (struct window *, int, int);
1048 extern void xic_set_statusarea (struct frame *);
1049 extern void xic_set_xfontset (struct frame *, const char *);
1050 extern int x_pixel_width (struct frame *);
1051 extern int x_pixel_height (struct frame *);
1052 extern int x_char_width (struct frame *);
1053 extern int x_char_height (struct frame *);
1054 extern int x_screen_planes (struct frame *);
1055 extern void x_sync (struct frame *);
1056 extern int x_defined_color (struct frame *, const char *, XColor *, int);
1057 #ifdef HAVE_X_I18N
1058 extern void free_frame_xic (struct frame *);
1059 extern char * xic_create_fontsetname (const char *base_fontname, int motif);
1060 #endif
1061 extern void x_set_tool_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
1062
1063 /* Defined in xfaces.c */
1064
1065 extern int compute_glyph_face (struct frame *, int, int);
1066 extern int compute_glyph_face_1 (struct frame *, Lisp_Object, int);
1067 extern void x_free_dpy_colors (Display *, Screen *, Colormap,
1068                                unsigned long *, int);
1069
1070 /* Defined in xmenu.c */
1071
1072 extern void x_menu_set_in_use (int);
1073 extern void x_menu_wait_for_event (void *data);
1074 extern void x_activate_menubar (struct frame *);
1075 extern int popup_activated (void);
1076 extern void initialize_frame_menubar (struct frame *);
1077 extern void free_frame_menubar (struct frame *);
1078
1079 /* Defined in widget.c */
1080
1081 #ifdef USE_X_TOOLKIT
1082 extern void widget_store_internal_border (Widget);
1083 #endif
1084
1085 /* Defined in xsmfns.c */
1086 #ifdef HAVE_X_SM
1087 extern void x_session_initialize (struct x_display_info *dpyinfo);
1088 extern int x_session_check_input (struct input_event *bufp);
1089 extern int x_session_have_connection (void);
1090 extern void x_session_close (void);
1091 #endif
1092
1093 /* XEmbed implementation.  */
1094
1095 #define XEMBED_VERSION 0
1096
1097 enum xembed_info
1098   {
1099     XEMBED_MAPPED = 1 << 0
1100   };
1101
1102 enum xembed_message
1103   {
1104     XEMBED_EMBEDDED_NOTIFY        = 0,
1105     XEMBED_WINDOW_ACTIVATE        = 1,
1106     XEMBED_WINDOW_DEACTIVATE      = 2,
1107     XEMBED_REQUEST_FOCUS          = 3,
1108     XEMBED_FOCUS_IN               = 4,
1109     XEMBED_FOCUS_OUT              = 5,
1110     XEMBED_FOCUS_NEXT             = 6,
1111     XEMBED_FOCUS_PREV             = 7,
1112
1113     XEMBED_MODALITY_ON            = 10,
1114     XEMBED_MODALITY_OFF           = 11,
1115     XEMBED_REGISTER_ACCELERATOR   = 12,
1116     XEMBED_UNREGISTER_ACCELERATOR = 13,
1117     XEMBED_ACTIVATE_ACCELERATOR   = 14
1118   };
1119
1120 enum xembed_focus
1121   {
1122     XEMBED_FOCUS_CURRENT = 0,
1123     XEMBED_FOCUS_FIRST   = 1,
1124     XEMBED_FOCUS_LAST    = 2
1125   };
1126
1127 enum xembed_modifier
1128   {
1129     XEMBED_MODIFIER_SHIFT   = 1 << 0,
1130     XEMBED_MODIFIER_CONTROL = 1 << 1,
1131     XEMBED_MODIFIER_ALT     = 1 << 2,
1132     XEMBED_MODIFIER_SUPER   = 1 << 3,
1133     XEMBED_MODIFIER_HYPER   = 1 << 4
1134   };
1135
1136 enum xembed_accelerator
1137   {
1138     XEMBED_ACCELERATOR_OVERLOADED = 1 << 0
1139   };
1140
1141 /* Defined in xterm.c */
1142
1143 extern Lisp_Object Qx_gtk_map_stock;
1144 extern void xembed_set_info (struct frame *f, enum xembed_info flags);
1145 extern void xembed_send_message (struct frame *f, Time time,
1146                                  enum xembed_message message,
1147                                  long detail, long data1, long data2);
1148
1149 /* Is the frame embedded into another application? */
1150
1151 #define FRAME_X_EMBEDDED_P(f) (FRAME_X_OUTPUT(f)->explicit_parent != 0)
1152
1153
1154 #define FONT_TYPE_FOR_UNIBYTE(font, ch) 0
1155 #define FONT_TYPE_FOR_MULTIBYTE(font, ch) 0
1156
1157 #define STORE_XCHAR2B(chp, b1, b2) \
1158   ((chp)->byte1 = (b1), (chp)->byte2 = (b2))
1159
1160 #define XCHAR2B_BYTE1(chp) \
1161   ((chp)->byte1)
1162
1163 #define XCHAR2B_BYTE2(chp) \
1164   ((chp)->byte2)
1165
1166
1167 #define STORE_NATIVE_RECT(nr,rx,ry,rwidth,rheight)      \
1168   ((nr).x = (rx),                                       \
1169    (nr).y = (ry),                                       \
1170    (nr).width = (rwidth),                               \
1171    (nr).height = (rheight))
1172
1173 /* arch-tag: 78a7972a-b18f-4694-861a-0780c4b3090e
1174    (do not change this comment) */