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
  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 and
 359      atoms for settig the window type.  */
 360   Atom *net_supported_atoms;
 361   int nr_net_supported_atoms;
 362   Window net_supported_window;
 363   Atom Xatom_net_window_type, Xatom_net_window_type_tooltip;
 364
 365   /* Atoms dealing with maximization and fullscreen */
 366   Atom Xatom_net_wm_state, Xatom_net_wm_state_fullscreen_atom,
 367     Xatom_net_wm_state_maximized_horz, Xatom_net_wm_state_maximized_vert,
 368     Xatom_net_wm_state_sticky;
 369
 370   /* XSettings atoms and windows.  */
 371   Atom Xatom_xsettings_sel, Xatom_xsettings_prop, Xatom_xsettings_mgr;
 372   Window xsettings_window;
 373 };
 374
 375 #ifdef HAVE_X_I18N
 376 /* Whether or not to use XIM if we have it.  */
 377 extern int use_xim;
 378 #endif
 379
 380 /* This checks to make sure we have a display.  */
 381 extern void check_x P_ ((void));
 382
 383 extern struct frame *x_window_to_frame P_ ((struct x_display_info *, int));
 384
 385 extern struct frame *x_any_window_to_frame P_ ((struct x_display_info *, int));
 386 extern struct frame *x_menubar_window_to_frame P_ ((struct x_display_info *, int));
 387 extern struct frame *x_top_window_to_frame P_ ((struct x_display_info *, int));
 388
 389 #if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK)
 390 #define x_any_window_to_frame x_window_to_frame
 391 #define x_top_window_to_frame x_window_to_frame
 392 #endif
 393
 394 /* This is a chain of structures for all the X displays currently in use.  */
 395 extern struct x_display_info *x_display_list;
 396
 397 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
 398    one for each element of x_display_list and in the same order.
 399    NAME is the name of the frame.
 400    FONT-LIST-CACHE records previous values returned by x-list-fonts.  */
 401 extern Lisp_Object x_display_name_list;
 402
 403 /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'.  */
 404 extern Lisp_Object Vx_pixel_size_width_font_regexp;
 405
 406 extern struct x_display_info *x_display_info_for_display P_ ((Display *));
 407 extern struct x_display_info *x_display_info_for_name P_ ((Lisp_Object));
 408 extern void x_set_frame_alpha P_ ((struct frame *));
 409
 410 extern struct x_display_info *x_term_init P_ ((Lisp_Object, char *, char *));
 411 extern int x_display_ok  P_ ((const char *));
 412
 413 extern void select_visual P_ ((struct x_display_info *));
 414
 415 \f
 416 struct font;
 417
 418 /* Each X frame object points to its own struct x_output object
 419    in the output_data.x field.  The x_output structure contains
 420    the information that is specific to X windows.  */
 421
 422 struct x_output
 423 {
 424   /* Height of menu bar widget, in pixels.
 425      Zero if not using the X toolkit.
 426      When using the toolkit, this value is not meaningful
 427      if the menubar is turned off.  */
 428   int menubar_height;
 429
 430   /* Height of tool bar widget, in pixels.
 431      Zero if not using an external tool bar.  */
 432   int toolbar_height;
 433
 434   /* The tiled border used when the mouse is out of the frame.  */
 435   Pixmap border_tile;
 436
 437   /* Here are the Graphics Contexts for the default font.  */
 438   GC normal_gc;                         /* Normal video */
 439   GC reverse_gc;                        /* Reverse video */
 440   GC cursor_gc;                         /* cursor drawing */
 441
 442   /* The X window used for this frame.
 443      May be zero while the frame object is being created
 444      and the X window has not yet been created.  */
 445   Window window_desc;
 446
 447   /* The X window used for the bitmap icon;
 448      or 0 if we don't have a bitmap icon.  */
 449   Window icon_desc;
 450
 451   /* The X window that is the parent of this X window.
 452      Usually this is a window that was made by the window manager,
 453      but it can be the root window, and it can be explicitly specified
 454      (see the explicit_parent field, below).  */
 455   Window parent_desc;
 456
 457 #ifdef USE_X_TOOLKIT
 458   /* The widget of this screen.  This is the window of a "shell" widget.  */
 459   Widget widget;
 460   /* The XmPanedWindows...  */
 461   Widget column_widget;
 462   /* The widget of the edit portion of this screen; the window in
 463      "window_desc" is inside of this.  */
 464   Widget edit_widget;
 465
 466   Widget menubar_widget;
 467 #endif
 468
 469 #ifdef USE_GTK
 470   /* The widget of this screen.  This is the window of a top widget.  */
 471   GtkWidget *widget;
 472   /* The widget of the edit portion of this screen; the window in
 473      "window_desc" is inside of this.  */
 474   GtkWidget *edit_widget;
 475   /* The widget used for laying out widgets vertically.  */
 476   GtkWidget *vbox_widget;
 477   /* The menubar in this frame.  */
 478   GtkWidget *menubar_widget;
 479   /* The tool bar in this frame  */
 480   GtkWidget *toolbar_widget;
 481   /* The handle box that makes the tool bar detachable.  */
 482   GtkWidget *handlebox_widget;
 483   /* Non-zero if the tool bar is detached.  */
 484   int toolbar_detached;
 485
 486   /* The last size hints set.  */
 487   GdkGeometry size_hints;
 488   long hint_flags;
 489 #endif
 490
 491   /* If >=0, a bitmap index.  The indicated bitmap is used for the
 492      icon. */
 493   int icon_bitmap;
 494
 495   /* Default ASCII font of this frame.  */
 496   struct font *font;
 497
 498   /* The baseline offset of the default ASCII font.  */
 499   int baseline_offset;
 500
 501   /* If a fontset is specified for this frame instead of font, this
 502      value contains an ID of the fontset, else -1.  */
 503   int fontset;
 504
 505   /* Pixel values used for various purposes.
 506      border_pixel may be -1 meaning use a gray tile.  */
 507 #if 0 /* These are also defined in struct frame.  Use that instead.  */
 508   unsigned long background_pixel;
 509   unsigned long foreground_pixel;
 510 #endif
 511   unsigned long cursor_pixel;
 512   unsigned long border_pixel;
 513   unsigned long mouse_pixel;
 514   unsigned long cursor_foreground_pixel;
 515
 516   /* Foreground color for scroll bars.  A value of -1 means use the
 517      default (black for non-toolkit scroll bars).  */
 518   unsigned long scroll_bar_foreground_pixel;
 519
 520   /* Background color for scroll bars.  A value of -1 means use the
 521      default (background color of the frame for non-toolkit scroll
 522      bars).  */
 523   unsigned long scroll_bar_background_pixel;
 524
 525   /* Top and bottom shadow colors for 3d toolkit scrollbars.  -1 means
 526      let the scroll compute them itself.  */
 527   unsigned long scroll_bar_top_shadow_pixel;
 528   unsigned long scroll_bar_bottom_shadow_pixel;
 529
 530   /* Descriptor for the cursor in use for this window.  */
 531   Cursor text_cursor;
 532   Cursor nontext_cursor;
 533   Cursor modeline_cursor;
 534   Cursor hand_cursor;
 535   Cursor hourglass_cursor;
 536   Cursor horizontal_drag_cursor;
 537   Cursor current_cursor;
 538
 539   /* Window whose cursor is hourglass_cursor.  This window is temporarily
 540      mapped to display an hourglass cursor.  */
 541   Window hourglass_window;
 542
 543   /* Non-zero means hourglass cursor is currently displayed.  */
 544   unsigned hourglass_p : 1;
 545
 546   /* Flag to set when the X window needs to be completely repainted.  */
 547   int needs_exposure;
 548
 549   /* These are the current window manager hints.  It seems that
 550      XSetWMHints, when presented with an unset bit in the `flags'
 551      member of the hints structure, does not leave the corresponding
 552      attribute unchanged; rather, it resets that attribute to its
 553      default value.  For example, unless you set the `icon_pixmap'
 554      field and the `IconPixmapHint' bit, XSetWMHints will forget what
 555      your icon pixmap was.  This is rather troublesome, since some of
 556      the members (for example, `input' and `icon_pixmap') want to stay
 557      the same throughout the execution of Emacs.  So, we keep this
 558      structure around, just leaving values in it and adding new bits
 559      to the mask as we go.  */
 560   XWMHints wm_hints;
 561
 562   /* This is the Emacs structure for the X display this frame is on.  */
 563   struct x_display_info *display_info;
 564
 565   /* This is a button event that wants to activate the menubar.
 566      We save it here until the command loop gets to think about it.  */
 567   XEvent *saved_menu_event;
 568
 569   /* This is the widget id used for this frame's menubar in lwlib.  */
 570 #ifdef USE_X_TOOLKIT
 571   int id;
 572 #endif
 573
 574   /* Nonzero means our parent is another application's window
 575      and was explicitly specified.  */
 576   char explicit_parent;
 577
 578   /* Nonzero means tried already to make this frame visible.  */
 579   char asked_for_visible;
 580
 581   /* Nonzero if this frame was ever previously visible.  */
 582   char has_been_visible;
 583
 584 #ifdef HAVE_X_I18N
 585   /* Input context (currently, this means Compose key handler setup).  */
 586   XIC xic;
 587   XIMStyle xic_style;
 588   XFontSet xic_xfs;
 589   char *xic_base_fontname;
 590 #endif
 591
 592   /* Relief GCs, colors etc.  */
 593   struct relief
 594   {
 595     GC gc;
 596     unsigned long pixel;
 597     int allocated_p;
 598   }
 599   black_relief, white_relief;
 600
 601   /* The background for which the above relief GCs were set up.
 602      They are changed only when a different background is involved.  */
 603   unsigned long relief_background;
 604
 605   /* Xt waits for a ConfigureNotify event from the window manager in
 606      EmacsFrameSetCharSize when the shell widget is resized.  For some
 607      window managers like fvwm2 2.2.5 and KDE 2.1 this event doesn't
 608      arrive for an unknown reason and Emacs hangs in Xt.  If this is
 609      zero, tell Xt not to wait.  */
 610   int wait_for_wm;
 611
 612   /* As x_pixels_diff, but to FRAME_OUTER_WINDOW.  For some reason the
 613      two might differ by a pixel, depending on WM */
 614   int x_pixels_outer_diff;
 615
 616   /* As y_pixels_diff, but to FRAME_OUTER_WINDOW.  In the toolkit version,
 617      these may differ because this does not take into account possible
 618      menubar.  y_pixels_diff is with menubar height included */
 619   int y_pixels_outer_diff;
 620
 621   /* Keep track of focus.  May be EXPLICIT if we received a FocusIn for this
 622      frame, or IMPLICIT if we received an EnterNotify.
 623      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 624   int focus_state;
 625
 626   /* The offset we need to add to compensate for type A WMs.  */
 627   int move_offset_top;
 628   int move_offset_left;
 629
 630   /* The frame's left/top offsets before we call XMoveWindow.  See
 631      x_check_expected_move.  */
 632   int left_before_move;
 633   int top_before_move;
 634 };
 635
 636 #define No_Cursor (None)
 637
 638 enum
 639 {
 640   /* Values for focus_state, used as bit mask.
 641      EXPLICIT means we received a FocusIn for the frame and know it has
 642      the focus.  IMPLICIT means we recevied an EnterNotify and the frame
 643      may have the focus if no window manager is running.
 644      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 645   FOCUS_NONE     = 0,
 646   FOCUS_IMPLICIT = 1,
 647   FOCUS_EXPLICIT = 2
 648 };
 649
 650
 651 /* Return the X output data for frame F.  */
 652 #define FRAME_X_OUTPUT(f) ((f)->output_data.x)
 653
 654 /* Return the X window used for displaying data in frame F.  */
 655 #define FRAME_X_WINDOW(f) ((f)->output_data.x->window_desc)
 656
 657 /* Return the outermost X window associated with the frame F.  */
 658 #ifdef USE_X_TOOLKIT
 659 #define FRAME_OUTER_WINDOW(f) ((f)->output_data.x->widget ?             \
 660                                XtWindow ((f)->output_data.x->widget) :  \
 661                                FRAME_X_WINDOW (f))
 662 #else
 663 #ifdef USE_GTK
 664 #define GTK_WIDGET_TO_X_WIN(w) \
 665   ((w) && (w)->window ? GDK_WINDOW_XWINDOW ((w)->window) : 0)
 666
 667 #define FRAME_GTK_OUTER_WIDGET(f) ((f)->output_data.x->widget)
 668 #define FRAME_GTK_WIDGET(f) ((f)->output_data.x->edit_widget)
 669 #define FRAME_OUTER_WINDOW(f)                                   \
 670        (FRAME_GTK_OUTER_WIDGET (f) ?                            \
 671         GTK_WIDGET_TO_X_WIN (FRAME_GTK_OUTER_WIDGET (f)) :      \
 672          FRAME_X_WINDOW (f))
 673
 674 #else /* !USE_GTK */
 675 #define FRAME_OUTER_WINDOW(f) (FRAME_X_WINDOW (f))
 676 #endif /* !USE_GTK */
 677 #endif
 678
 679
 680 #define FRAME_FONT(f) ((f)->output_data.x->font)
 681 #define FRAME_FONTSET(f) ((f)->output_data.x->fontset)
 682 #define FRAME_MENUBAR_HEIGHT(f) ((f)->output_data.x->menubar_height)
 683 #define FRAME_TOOLBAR_HEIGHT(f) ((f)->output_data.x->toolbar_height)
 684 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.x->baseline_offset)
 685
 686 /* This gives the x_display_info structure for the display F is on.  */
 687 #define FRAME_X_DISPLAY_INFO(f) ((f)->output_data.x->display_info)
 688
 689 /* This is the `Display *' which frame F is on.  */
 690 #define FRAME_X_DISPLAY(f) (FRAME_X_DISPLAY_INFO (f)->display)
 691
 692 /* This is the `Screen *' which frame F is on.  */
 693 #define FRAME_X_SCREEN(f) (FRAME_X_DISPLAY_INFO (f)->screen)
 694 #define FRAME_X_SCREEN_NUMBER(f) XScreenNumberOfScreen (FRAME_X_SCREEN (f))
 695
 696 /* This is the Visual which frame F is on.  */
 697 #define FRAME_X_VISUAL(f) FRAME_X_DISPLAY_INFO (f)->visual
 698
 699 /* This is the Colormap which frame F uses.  */
 700 #define FRAME_X_COLORMAP(f) FRAME_X_DISPLAY_INFO (f)->cmap
 701
 702 /* This is the 'font_info *' which frame F has.  */
 703 #define FRAME_X_FONT_TABLE(f) (FRAME_X_DISPLAY_INFO (f)->font_table)
 704
 705 /* The difference in pixels between the top left corner of the
 706    Emacs window (including possible window manager decorations)
 707    and FRAME_X_WINDOW (f).  */
 708 #define FRAME_OUTER_TO_INNER_DIFF_X(f) \
 709      ((f)->output_data.x->x_pixels_outer_diff)
 710 #define FRAME_OUTER_TO_INNER_DIFF_Y(f)          \
 711      ((f)->output_data.x->y_pixels_outer_diff   \
 712       + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f))
 713
 714
 715 #define FRAME_XIC(f) ((f)->output_data.x->xic)
 716 #define FRAME_X_XIM(f) (FRAME_X_DISPLAY_INFO (f)->xim)
 717 #define FRAME_X_XIM_STYLES(f) (FRAME_X_DISPLAY_INFO (f)->xim_styles)
 718 #define FRAME_XIC_STYLE(f) ((f)->output_data.x->xic_style)
 719 #define FRAME_XIC_FONTSET(f) ((f)->output_data.x->xic_xfs)
 720 #define FRAME_XIC_BASE_FONTNAME(f) ((f)->output_data.x->xic_base_fontname)
 721
 722 /* Value is the smallest width of any character in any font on frame F.  */
 723
 724 #define FRAME_SMALLEST_CHAR_WIDTH(F) \
 725      FRAME_X_DISPLAY_INFO(F)->smallest_char_width
 726
 727 /* Value is the smallest height of any font on frame F.  */
 728
 729 #define FRAME_SMALLEST_FONT_HEIGHT(F) \
 730      FRAME_X_DISPLAY_INFO(F)->smallest_font_height
 731 \f
 732 /* X-specific scroll bar stuff.  */
 733
 734 /* We represent scroll bars as lisp vectors.  This allows us to place
 735    references to them in windows without worrying about whether we'll
 736    end up with windows referring to dead scroll bars; the garbage
 737    collector will free it when its time comes.
 738
 739    We use struct scroll_bar as a template for accessing fields of the
 740    vector.  */
 741
 742 struct scroll_bar
 743 {
 744   /* These fields are shared by all vectors.  */
 745   EMACS_INT size_from_Lisp_Vector_struct;
 746   struct Lisp_Vector *next_from_Lisp_Vector_struct;
 747
 748   /* The window we're a scroll bar for.  */
 749   Lisp_Object window;
 750
 751   /* The next and previous in the chain of scroll bars in this frame.  */
 752   Lisp_Object next, prev;
 753
 754   /* Fields from `x_window' down will not be traced by the GC.  */
 755
 756   /* The X window representing this scroll bar.  */
 757   Window x_window;
 758
 759   /* The position and size of the scroll bar in pixels, relative to the
 760      frame.  */
 761   int top, left, width, height;
 762
 763   /* The starting and ending positions of the handle, relative to the
 764      handle area (i.e. zero is the top position, not
 765      SCROLL_BAR_TOP_BORDER).  If they're equal, that means the handle
 766      hasn't been drawn yet.
 767
 768      These are not actually the locations where the beginning and end
 769      are drawn; in order to keep handles from becoming invisible when
 770      editing large files, we establish a minimum height by always
 771      drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
 772      where they would be normally; the bottom and top are in a
 773      different co-ordinate system.  */
 774   int start, end;
 775
 776   /* If the scroll bar handle is currently being dragged by the user,
 777      this is the number of pixels from the top of the handle to the
 778      place where the user grabbed it.  If the handle isn't currently
 779      being dragged, this is Qnil.  */
 780   Lisp_Object dragging;
 781
 782   /* 1 if the background of the fringe that is adjacent to a scroll
 783      bar is extended to the gap between the fringe and the bar.  */
 784   unsigned int fringe_extended_p : 1;
 785 };
 786
 787 /* The number of elements a vector holding a struct scroll_bar needs.  */
 788 #define SCROLL_BAR_VEC_SIZE                                     \
 789   ((sizeof (struct scroll_bar)                                  \
 790     - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *))       \
 791    / sizeof (Lisp_Object))
 792
 793 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 794 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
 795
 796
 797 /* Extract the X widget of the scroll bar from a struct scroll_bar.
 798    XtWindowToWidget should be fast enough since Xt uses a hash table
 799    to map windows to widgets.  */
 800
 801 #define SCROLL_BAR_X_WIDGET(dpy, ptr) \
 802   XtWindowToWidget (dpy, ptr->x_window)
 803
 804 /* Store a widget id in a struct scroll_bar.  */
 805
 806 #define SET_SCROLL_BAR_X_WIDGET(ptr, w)         \
 807   do {                                          \
 808     Window window = XtWindow (w);               \
 809     ptr->x_window = window;                     \
 810 } while (0)
 811
 812
 813 /* Return the inside width of a vertical scroll bar, given the outside
 814    width.  */
 815 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f, width) \
 816   ((width) \
 817    - VERTICAL_SCROLL_BAR_LEFT_BORDER \
 818    - VERTICAL_SCROLL_BAR_RIGHT_BORDER \
 819    - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2)
 820
 821 /* Return the length of the rectangle within which the top of the
 822    handle must stay.  This isn't equivalent to the inside height,
 823    because the scroll bar handle has a minimum height.
 824
 825    This is the real range of motion for the scroll bar, so when we're
 826    scaling buffer positions to scroll bar positions, we use this, not
 827    VERTICAL_SCROLL_BAR_INSIDE_HEIGHT.  */
 828 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f, height) \
 829   (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
 830
 831 /* Return the inside height of vertical scroll bar, given the outside
 832    height.  See VERTICAL_SCROLL_BAR_TOP_RANGE too.  */
 833 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f, height) \
 834   ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
 835
 836
 837 /* Border widths for scroll bars.
 838
 839    Scroll bar windows don't have any X borders; their border width is
 840    set to zero, and we redraw borders ourselves.  This makes the code
 841    a bit cleaner, since we don't have to convert between outside width
 842    (used when relating to the rest of the screen) and inside width
 843    (used when sizing and drawing the scroll bar window itself).
 844
 845    The handle moves up and down/back and forth in a rectangle inset
 846    from the edges of the scroll bar.  These are widths by which we
 847    inset the handle boundaries from the scroll bar edges.  */
 848 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (2)
 849 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (2)
 850 #define VERTICAL_SCROLL_BAR_TOP_BORDER (2)
 851 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (2)
 852
 853 /* Minimum lengths for scroll bar handles, in pixels.  */
 854 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (5)
 855
 856 /* Trimming off a few pixels from each side prevents
 857    text from glomming up against the scroll bar */
 858 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
 859
 860 \f
 861 /* If a struct input_event has a kind which is SELECTION_REQUEST_EVENT
 862    or SELECTION_CLEAR_EVENT, then its contents are really described
 863    by this structure.  */
 864
 865 /* For an event of kind SELECTION_REQUEST_EVENT,
 866    this structure really describes the contents.
 867    **Don't make this struct longer!**
 868    If it overlaps the frame_or_window field of struct input_event,
 869    that will cause GC to crash.  */
 870 struct selection_input_event
 871 {
 872   int kind;
 873   Display *display;
 874   /* We spell it with an "o" here because X does.  */
 875   Window requestor;
 876   Atom selection, target, property;
 877   Time time;
 878 };
 879
 880 #define SELECTION_EVENT_DISPLAY(eventp) \
 881   (((struct selection_input_event *) (eventp))->display)
 882 /* We spell it with an "o" here because X does.  */
 883 #define SELECTION_EVENT_REQUESTOR(eventp)       \
 884   (((struct selection_input_event *) (eventp))->requestor)
 885 #define SELECTION_EVENT_SELECTION(eventp)       \
 886   (((struct selection_input_event *) (eventp))->selection)
 887 #define SELECTION_EVENT_TARGET(eventp)  \
 888   (((struct selection_input_event *) (eventp))->target)
 889 #define SELECTION_EVENT_PROPERTY(eventp)        \
 890   (((struct selection_input_event *) (eventp))->property)
 891 #define SELECTION_EVENT_TIME(eventp)    \
 892   (((struct selection_input_event *) (eventp))->time)
 893
 894 \f
 895 struct window;
 896 struct glyph_matrix;
 897 struct frame;
 898 struct input_event;
 899 struct face;
 900 struct image;
 901
 902 /* From xselect.c.  */
 903
 904 void x_handle_selection_notify P_ ((XSelectionEvent *));
 905 void x_handle_property_notify P_ ((XPropertyEvent *));
 906
 907 /* From xfns.c.  */
 908
 909 Lisp_Object display_x_get_resource P_ ((struct x_display_info *,
 910                                         Lisp_Object, Lisp_Object,
 911                                         Lisp_Object, Lisp_Object));
 912 struct frame *check_x_frame P_ ((Lisp_Object));
 913 EXFUN (Fx_display_color_p, 1);
 914 EXFUN (Fx_display_grayscale_p, 1);
 915 extern void x_free_gcs P_ ((struct frame *));
 916
 917 /* From xrdb.c.  */
 918
 919 char *x_get_customization_string P_ ((XrmDatabase, char *, char *));
 920 XrmDatabase x_load_resources P_ ((Display *, char *, char *, char *));
 921 int x_get_resource P_ ((XrmDatabase, char *, char *,
 922                         XrmRepresentation, XrmValue *));
 923 void x_delete_display P_ ((struct x_display_info *));
 924 void x_make_frame_visible P_ ((struct frame *));
 925 void x_iconify_frame P_ ((struct frame *));
 926 void x_wm_set_size_hint P_ ((struct frame *, long, int));
 927 int x_text_icon P_ ((struct frame *, char *));
 928 int x_bitmap_icon P_ ((struct frame *, Lisp_Object));
 929 void x_set_window_size P_ ((struct frame *, int, int, int));
 930 void x_wm_set_window_state P_ ((struct frame *, int));
 931 int x_alloc_nearest_color P_ ((struct frame *, Colormap, XColor *));
 932
 933 /* Defined in xterm.c */
 934
 935 extern void cancel_mouse_face P_ ((struct frame *));
 936 extern void x_scroll_bar_clear P_ ((struct frame *));
 937 extern int x_text_icon P_ ((struct frame *, char *));
 938 extern int x_bitmap_icon P_ ((struct frame *, Lisp_Object));
 939 extern void x_catch_errors P_ ((Display *));
 940 extern void x_check_errors P_ ((Display *, char *));
 941 extern int x_had_errors_p P_ ((Display *));
 942 extern int x_catching_errors P_ ((void));
 943 extern void x_uncatch_errors P_ ((void));
 944 extern void x_clear_errors P_ ((Display *));
 945 extern void x_set_window_size P_ ((struct frame *, int, int, int));
 946 extern void x_set_mouse_position P_ ((struct frame *, int, int));
 947 extern void x_set_mouse_pixel_position P_ ((struct frame *, int, int));
 948 extern void x_ewmh_activate_frame P_ ((struct frame *));
 949 extern void x_raise_frame P_ ((struct frame *));
 950 extern void x_lower_frame P_ ((struct frame *));
 951 extern void x_make_frame_visible P_ ((struct frame *));
 952 extern void x_make_frame_invisible P_ ((struct frame *));
 953 extern void x_iconify_frame P_ ((struct frame *));
 954 extern void x_free_frame_resources P_ ((struct frame *));
 955 extern void x_destroy_window P_ ((struct frame *));
 956 extern void x_wm_set_size_hint P_ ((struct frame *, long, int));
 957 extern void x_wm_set_window_state P_ ((struct frame *, int));
 958 extern void x_wm_set_icon_pixmap P_ ((struct frame *, int));
 959 extern void x_delete_display P_ ((struct x_display_info *));
 960 extern void x_delete_terminal P_ ((struct terminal *terminal));
 961 extern void x_initialize P_ ((void));
 962 extern unsigned long x_copy_color P_ ((struct frame *, unsigned long));
 963 #ifdef USE_X_TOOLKIT
 964 extern XtAppContext Xt_app_con;
 965 extern int x_alloc_lighter_color_for_widget __P ((Widget, Display*, Colormap,
 966                                                   unsigned long *,
 967                                                   double, int));
 968 extern void x_activate_timeout_atimer P_ ((void));
 969 #endif
 970 extern void x_query_colors P_ ((struct frame *f, XColor *, int));
 971 extern void x_query_color P_ ((struct frame *f, XColor *));
 972 extern void x_clear_area P_ ((Display *, Window, int, int, int, int, int));
 973 extern void set_vertical_scroll_bar P_ ((struct window *));
 974
 975 extern int x_dispatch_event P_ ((XEvent *, Display *));
 976 extern unsigned int x_x_to_emacs_modifiers P_ ((struct x_display_info *,
 977                                                 unsigned));
 978 extern int x_display_pixel_height P_ ((struct x_display_info *));
 979 extern int x_display_pixel_width P_ ((struct x_display_info *));
 980
 981 extern void x_set_sticky P_ ((struct frame *, Lisp_Object, Lisp_Object));
 982 extern void x_wait_for_event P_ ((struct frame *, int));
 983
 984 /* Defined in xselect.c */
 985
 986 extern void x_handle_property_notify P_ ((XPropertyEvent *));
 987 extern void x_handle_selection_notify P_ ((XSelectionEvent *));
 988 extern void x_handle_selection_event P_ ((struct input_event *));
 989 extern void x_clear_frame_selections P_ ((struct frame *));
 990
 991 extern int x_handle_dnd_message P_ ((struct frame *,
 992                                      XClientMessageEvent *,
 993                                      struct x_display_info *,
 994                                      struct input_event *bufp));
 995 extern int x_check_property_data P_ ((Lisp_Object));
 996 extern void x_fill_property_data P_ ((Display *,
 997                                       Lisp_Object,
 998                                       void *,
 999                                       int));
1000 extern Lisp_Object x_property_data_to_lisp P_ ((struct frame *,
1001                                                 unsigned char *,
1002                                                 Atom,
1003                                                 int,
1004                                                 unsigned long));
1005
1006 /* Defined in xfns.c */
1007
1008 extern struct x_display_info * check_x_display_info P_ ((Lisp_Object frame));
1009
1010 #ifdef USE_GTK
1011 extern int xg_set_icon P_ ((struct frame *, Lisp_Object));
1012 extern int xg_set_icon_from_xpm_data P_ ((struct frame *, char**));
1013 #endif /* USE_GTK */
1014
1015 extern void x_real_positions P_ ((struct frame *, int *, int *));
1016 extern int defined_color P_ ((struct frame *, char *, XColor *, int));
1017 extern void x_set_border_pixel P_ ((struct frame *, int));
1018 extern void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
1019 extern void x_implicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
1020 extern void xic_free_xfontset P_ ((struct frame *));
1021 extern void create_frame_xic P_ ((struct frame *));
1022 extern void destroy_frame_xic P_ ((struct frame *));
1023 extern void xic_set_preeditarea P_ ((struct window *, int, int));
1024 extern void xic_set_statusarea P_ ((struct frame *));
1025 extern void xic_set_xfontset P_ ((struct frame *, char *));
1026 extern int x_pixel_width P_ ((struct frame *));
1027 extern int x_pixel_height P_ ((struct frame *));
1028 extern int x_char_width P_ ((struct frame *));
1029 extern int x_char_height P_ ((struct frame *));
1030 extern int x_screen_planes P_ ((struct frame *));
1031 extern void x_sync P_ ((struct frame *));
1032 extern int x_defined_color P_ ((struct frame *, char *, XColor *, int));
1033 #ifdef HAVE_X_I18N
1034 extern void free_frame_xic P_ ((struct frame *));
1035 #endif
1036 extern void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
1037
1038 /* Defined in xfaces.c */
1039
1040 extern int compute_glyph_face P_ ((struct frame *, int, int));
1041 extern int compute_glyph_face_1 P_ ((struct frame *, Lisp_Object, int));
1042 extern void x_free_dpy_colors P_ ((Display *, Screen *, Colormap,
1043                                    unsigned long *, int));
1044
1045 /* Defined in xmenu.c */
1046
1047 extern void x_menu_set_in_use P_ ((int));
1048 extern void x_menu_wait_for_event P_ ((void *data));
1049 extern void x_activate_menubar P_ ((struct frame *));
1050 extern int popup_activated P_ ((void));
1051 extern void initialize_frame_menubar P_ ((struct frame *));
1052 extern void free_frame_menubar P_ ((struct frame *));
1053
1054 /* Defined in widget.c */
1055
1056 #ifdef USE_X_TOOLKIT
1057 extern void widget_store_internal_border P_ ((Widget));
1058 #endif
1059
1060 /* Defined in xsmfns.c */
1061 #ifdef HAVE_X_SM
1062 extern void x_session_initialize P_ ((struct x_display_info *dpyinfo));
1063 extern int x_session_check_input P_ ((struct input_event *bufp));
1064 extern int x_session_have_connection P_ ((void));
1065 extern void x_session_close P_ ((void));
1066 #endif
1067
1068 /* XEmbed implementation.  */
1069
1070 #define XEMBED_VERSION 0
1071
1072 enum xembed_info
1073   {
1074     XEMBED_MAPPED = 1 << 0
1075   };
1076
1077 enum xembed_message
1078   {
1079     XEMBED_EMBEDDED_NOTIFY        = 0,
1080     XEMBED_WINDOW_ACTIVATE        = 1,
1081     XEMBED_WINDOW_DEACTIVATE      = 2,
1082     XEMBED_REQUEST_FOCUS          = 3,
1083     XEMBED_FOCUS_IN               = 4,
1084     XEMBED_FOCUS_OUT              = 5,
1085     XEMBED_FOCUS_NEXT             = 6,
1086     XEMBED_FOCUS_PREV             = 7,
1087
1088     XEMBED_MODALITY_ON            = 10,
1089     XEMBED_MODALITY_OFF           = 11,
1090     XEMBED_REGISTER_ACCELERATOR   = 12,
1091     XEMBED_UNREGISTER_ACCELERATOR = 13,
1092     XEMBED_ACTIVATE_ACCELERATOR   = 14
1093   };
1094
1095 enum xembed_focus
1096   {
1097     XEMBED_FOCUS_CURRENT = 0,
1098     XEMBED_FOCUS_FIRST   = 1,
1099     XEMBED_FOCUS_LAST    = 2
1100   };
1101
1102 enum xembed_modifier
1103   {
1104     XEMBED_MODIFIER_SHIFT   = 1 << 0,
1105     XEMBED_MODIFIER_CONTROL = 1 << 1,
1106     XEMBED_MODIFIER_ALT     = 1 << 2,
1107     XEMBED_MODIFIER_SUPER   = 1 << 3,
1108     XEMBED_MODIFIER_HYPER   = 1 << 4
1109   };
1110
1111 enum xembed_accelerator
1112   {
1113     XEMBED_ACCELERATOR_OVERLOADED = 1 << 0
1114   };
1115
1116 /* Defined in xterm.c */
1117
1118 extern void xembed_set_info P_ ((struct frame *f, enum xembed_info flags));
1119 extern void xembed_send_message P_ ((struct frame *f, Time time,
1120                                      enum xembed_message message,
1121                                      long detail, long data1, long data2));
1122
1123 /* Is the frame embedded into another application? */
1124
1125 #define FRAME_X_EMBEDDED_P(f) (FRAME_X_OUTPUT(f)->explicit_parent != 0)
1126
1127
1128 #define FONT_TYPE_FOR_UNIBYTE(font, ch) 0
1129 #define FONT_TYPE_FOR_MULTIBYTE(font, ch) 0
1130
1131 #define STORE_XCHAR2B(chp, b1, b2) \
1132   ((chp)->byte1 = (b1), (chp)->byte2 = (b2))
1133
1134 #define XCHAR2B_BYTE1(chp) \
1135   ((chp)->byte1)
1136
1137 #define XCHAR2B_BYTE2(chp) \
1138   ((chp)->byte2)
1139
1140
1141 #define STORE_NATIVE_RECT(nr,rx,ry,rwidth,rheight)      \
1142   ((nr).x = (rx),                                       \
1143    (nr).y = (ry),                                       \
1144    (nr).width = (rwidth),                               \
1145    (nr).height = (rheight))
1146
1147 /* arch-tag: 78a7972a-b18f-4694-861a-0780c4b3090e
1148    (do not change this comment) */