src/xterm.h

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