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