src/xterm.h

   1 /* Definitions and headers for communication with X protocol.
   2    Copyright (C) 1989, 1993-1994, 1998-2015 Free Software Foundation,
   3    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 #ifndef XTERM_H
  21 #define XTERM_H
  22
  23 #include <X11/Xlib.h>
  24 #include <X11/cursorfont.h>
  25
  26 /* Include Xutil.h after keysym.h to work around a bug that prevents
  27    correct recognition of AltGr key in some X versions.  */
  28
  29 #include <X11/keysym.h>
  30 #include <X11/Xutil.h>
  31
  32 #include <X11/Xatom.h>
  33 #include <X11/Xresource.h>
  34
  35 #ifdef USE_X_TOOLKIT
  36 #include <X11/StringDefs.h>
  37 #include <X11/IntrinsicP.h>     /* CoreP.h needs this */
  38 #include <X11/CoreP.h>          /* foul, but we need this to use our own
  39                                    window inside a widget instead of one
  40                                    that Xt creates... */
  41 typedef Widget xt_or_gtk_widget;
  42 #endif
  43
  44 #ifdef USE_GTK
  45 #include <gtk/gtk.h>
  46 #include <gdk/gdkx.h>
  47
  48 /* Some definitions to reduce conditionals.  */
  49 typedef GtkWidget *xt_or_gtk_widget;
  50 #undef XSync
  51 #define XSync(d, b) do { gdk_window_process_all_updates (); \
  52                          XSync (d, b);  } while (false)
  53 #endif /* USE_GTK */
  54
  55 /* True iff GTK's version is at least I.J.K.  */
  56 #ifndef GTK_CHECK_VERSION
  57 # ifdef USE_GTK
  58 #  define GTK_CHECK_VERSION(i, j, k) \
  59      ((i) \
  60       < GTK_MAJOR_VERSION + ((j) \
  61                              < GTK_MINOR_VERSION + ((k) \
  62                                                     <= GTK_MICRO_VERSION)))
  63 # else
  64 #  define GTK_CHECK_VERSION(i, j, k) false
  65 # endif
  66 #endif
  67
  68 /* The GtkTooltip API came in 2.12, but gtk-enable-tooltips in 2.14. */
  69 #if GTK_CHECK_VERSION (2, 14, 0)
  70 #define USE_GTK_TOOLTIP
  71 #endif
  72
  73 #ifdef USE_CAIRO
  74 #include <cairo-xlib.h>
  75 #ifdef CAIRO_HAS_PDF_SURFACE
  76 #include <cairo-pdf.h>
  77 #endif
  78 #ifdef CAIRO_HAS_PS_SURFACE
  79 #include <cairo-ps.h>
  80 #endif
  81 #ifdef CAIRO_HAS_SVG_SURFACE
  82 #include <cairo-svg.h>
  83 #endif
  84 #endif
  85
  86 #ifdef HAVE_X_I18N
  87 #include <X11/Xlocale.h>
  88 #endif
  89
  90 #include "dispextern.h"
  91 #include "termhooks.h"
  92
  93 INLINE_HEADER_BEGIN
  94
  95 /* Black and white pixel values for the screen which frame F is on.  */
  96 #define BLACK_PIX_DEFAULT(f)                                    \
  97   BlackPixel (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f))
  98 #define WHITE_PIX_DEFAULT(f)                                    \
  99   WhitePixel (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f))
 100
 101 /* The mask of events that text windows always want to receive.  This
 102    includes mouse movement events, since handling the mouse-font text property
 103    means that we must track mouse motion all the time.  */
 104
 105 #define STANDARD_EVENT_SET      \
 106   (KeyPressMask                 \
 107    | ExposureMask               \
 108    | ButtonPressMask            \
 109    | ButtonReleaseMask          \
 110    | PointerMotionMask          \
 111    | StructureNotifyMask        \
 112    | FocusChangeMask            \
 113    | LeaveWindowMask            \
 114    | EnterWindowMask            \
 115    | VisibilityChangeMask)
 116
 117 #ifdef HAVE_X11R6_XIM
 118 /* Data structure passed to xim_instantiate_callback.  */
 119 struct xim_inst_t
 120 {
 121   struct x_display_info *dpyinfo;
 122   char *resource_name;
 123 };
 124 #endif /* HAVE_X11R6_XIM */
 125
 126 /* Structure recording X pixmap and reference count.
 127    If REFCOUNT is 0 then this record is free to be reused.  */
 128
 129 struct x_bitmap_record
 130 {
 131 #ifdef USE_CAIRO
 132   void *img;
 133 #endif
 134   Pixmap pixmap;
 135   bool have_mask;
 136   Pixmap mask;
 137   char *file;
 138   int refcount;
 139   /* Record some info about this pixmap.  */
 140   int height, width, depth;
 141 };
 142 \f
 143 #ifdef USE_CAIRO
 144 struct x_gc_ext_data
 145 {
 146 #define MAX_CLIP_RECTS 2
 147   /* Number of clipping rectangles.  */
 148   int n_clip_rects;
 149
 150   /* Clipping rectangles.  */
 151   XRectangle clip_rects[MAX_CLIP_RECTS];
 152 };
 153 #endif
 154
 155 \f
 156 /* For each X display, we have a structure that records
 157    information about it.  */
 158
 159 struct x_display_info
 160 {
 161   /* Chain of all x_display_info structures.  */
 162   struct x_display_info *next;
 163
 164   /* The generic display parameters corresponding to this X display. */
 165   struct terminal *terminal;
 166
 167   /* This says how to access this display in Xlib.  */
 168   Display *display;
 169
 170   /* A connection number (file descriptor) for the display.  */
 171   int connection;
 172
 173   /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).  */
 174   Lisp_Object name_list_element;
 175
 176   /* Number of frames that are on this display.  */
 177   int reference_count;
 178
 179   /* The Screen this connection is connected to.  */
 180   Screen *screen;
 181
 182   /* Dots per inch of the screen.  */
 183   double resx, resy;
 184
 185   /* The Visual being used for this display.  */
 186   Visual *visual;
 187
 188   /* The colormap being used.  */
 189   Colormap cmap;
 190
 191   /* Number of planes on this screen.  */
 192   int n_planes;
 193
 194   /* Mask of things that cause the mouse to be grabbed.  */
 195   int grabbed;
 196
 197   /* Emacs bitmap-id of the default icon bitmap for this frame.
 198      Or -1 if none has been allocated yet.  */
 199   ptrdiff_t icon_bitmap_id;
 200
 201   /* The root window of this screen.  */
 202   Window root_window;
 203
 204   /* Client leader window.  */
 205   Window client_leader_window;
 206
 207   /* The cursor to use for vertical scroll bars.  */
 208   Cursor vertical_scroll_bar_cursor;
 209
 210   /* The cursor to use for horizontal scroll bars.  */
 211   Cursor horizontal_scroll_bar_cursor;
 212
 213   /* The invisible cursor used for pointer blanking.
 214      Unused if this display supports Xfixes extension.  */
 215   Cursor invisible_cursor;
 216
 217   /* Function used to toggle pointer visibility on this display.  */
 218   void (*toggle_visible_pointer) (struct frame *, bool);
 219
 220 #ifdef USE_GTK
 221   /* The GDK cursor for scroll bars and popup menus.  */
 222   GdkCursor *xg_cursor;
 223 #endif
 224
 225   /* X Resource data base */
 226   XrmDatabase xrdb;
 227
 228   /* Minimum width over all characters in all fonts in font_table.  */
 229   int smallest_char_width;
 230
 231   /* Minimum font height over all fonts in font_table.  */
 232   int smallest_font_height;
 233
 234   /* Reusable Graphics Context for drawing a cursor in a non-default face. */
 235   GC scratch_cursor_gc;
 236
 237   /* Information about the range of text currently shown in
 238      mouse-face.  */
 239   Mouse_HLInfo mouse_highlight;
 240
 241   /* Logical identifier of this display.  */
 242   unsigned x_id;
 243
 244   /* Default name for all frames on this display.  */
 245   char *x_id_name;
 246
 247   /* The number of fonts opened for this display.  */
 248   int n_fonts;
 249
 250   /* Pointer to bitmap records.  */
 251   struct x_bitmap_record *bitmaps;
 252
 253   /* Allocated size of bitmaps field.  */
 254   ptrdiff_t bitmaps_size;
 255
 256   /* Last used bitmap index.  */
 257   ptrdiff_t bitmaps_last;
 258
 259   /* Which modifier keys are on which modifier bits?
 260
 261      With each keystroke, X returns eight bits indicating which modifier
 262      keys were held down when the key was pressed.  The interpretation
 263      of the top five modifier bits depends on what keys are attached
 264      to them.  If the Meta_L and Meta_R keysyms are on mod5, then mod5
 265      is the meta bit.
 266
 267      meta_mod_mask is a mask containing the bits used for the meta key.
 268      It may have more than one bit set, if more than one modifier bit
 269      has meta keys on it.  Basically, if EVENT is a KeyPress event,
 270      the meta key is pressed if (EVENT.state & meta_mod_mask) != 0.
 271
 272      shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the
 273      lock modifier bit, or zero otherwise.  Non-alphabetic keys should
 274      only be affected by the lock modifier bit if XK_Shift_Lock is in
 275      use; XK_Caps_Lock should only affect alphabetic keys.  With this
 276      arrangement, the lock modifier should shift the character if
 277      (EVENT.state & shift_lock_mask) != 0.  */
 278   int meta_mod_mask, shift_lock_mask;
 279
 280   /* These are like meta_mod_mask, but for different modifiers.  */
 281   int alt_mod_mask, super_mod_mask, hyper_mod_mask;
 282
 283   /* Communication with window managers.  */
 284   Atom Xatom_wm_protocols;
 285
 286   /* Kinds of protocol things we may receive.  */
 287   Atom Xatom_wm_take_focus;
 288   Atom Xatom_wm_save_yourself;
 289   Atom Xatom_wm_delete_window;
 290
 291   /* Atom for indicating window state to the window manager.  */
 292   Atom Xatom_wm_change_state;
 293
 294   /* Other WM communication */
 295   Atom Xatom_wm_configure_denied; /* When our config request is denied */
 296   Atom Xatom_wm_window_moved;     /* When the WM moves us.  */
 297   Atom Xatom_wm_client_leader;    /* Id of client leader window.  */
 298
 299   /* EditRes protocol */
 300   Atom Xatom_editres;
 301
 302   /* More atoms, which are selection types.  */
 303   Atom Xatom_CLIPBOARD, Xatom_TIMESTAMP, Xatom_TEXT, Xatom_DELETE,
 304   Xatom_COMPOUND_TEXT, Xatom_UTF8_STRING,
 305   Xatom_MULTIPLE, Xatom_INCR, Xatom_EMACS_TMP, Xatom_TARGETS, Xatom_NULL,
 306   Xatom_ATOM, Xatom_ATOM_PAIR, Xatom_CLIPBOARD_MANAGER;
 307
 308   /* More atoms for font properties.  The last three are private
 309      properties, see the comments in src/fontset.h.  */
 310   Atom Xatom_PIXEL_SIZE, Xatom_AVERAGE_WIDTH,
 311   Xatom_MULE_BASELINE_OFFSET, Xatom_MULE_RELATIVE_COMPOSE,
 312   Xatom_MULE_DEFAULT_ASCENT;
 313
 314   /* More atoms for Ghostscript support.  */
 315   Atom Xatom_DONE, Xatom_PAGE;
 316
 317   /* Atoms used in toolkit scroll bar client messages.  */
 318   Atom Xatom_Scrollbar, Xatom_Horizontal_Scrollbar;
 319
 320   /* Atom used in XEmbed client messages.  */
 321   Atom Xatom_XEMBED, Xatom_XEMBED_INFO;
 322
 323   /* The frame (if any) which has the X window that has keyboard focus.
 324      Zero if none.  This is examined by Ffocus_frame in xfns.c.  Note
 325      that a mere EnterNotify event can set this; if you need to know the
 326      last frame specified in a FocusIn or FocusOut event, use
 327      x_focus_event_frame.  */
 328   struct frame *x_focus_frame;
 329
 330   /* The last frame mentioned in a FocusIn or FocusOut event.  This is
 331      separate from x_focus_frame, because whether or not LeaveNotify
 332      events cause us to lose focus depends on whether or not we have
 333      received a FocusIn event for it.  */
 334   struct frame *x_focus_event_frame;
 335
 336   /* The frame which currently has the visual highlight, and should get
 337      keyboard input (other sorts of input have the frame encoded in the
 338      event).  It points to the X focus frame's selected window's
 339      frame.  It differs from x_focus_frame when we're using a global
 340      minibuffer.  */
 341   struct frame *x_highlight_frame;
 342
 343   /* The frame waiting to be auto-raised in XTread_socket.  */
 344   struct frame *x_pending_autoraise_frame;
 345
 346   /* The frame where the mouse was last time we reported a ButtonPress event.  */
 347   struct frame *last_mouse_frame;
 348
 349   /* The frame where the mouse was last time we reported a mouse position.  */
 350   struct frame *last_mouse_glyph_frame;
 351
 352   /* The frame where the mouse was last time we reported a mouse motion.  */
 353   struct frame *last_mouse_motion_frame;
 354
 355   /* The scroll bar in which the last X motion event occurred.  */
 356   struct scroll_bar *last_mouse_scroll_bar;
 357
 358   /* Time of last user interaction as returned in X events on this display.  */
 359   Time last_user_time;
 360
 361   /* Position where the mouse was last time we reported a motion.
 362      This is a position on last_mouse_motion_frame.  */
 363   int last_mouse_motion_x;
 364   int last_mouse_motion_y;
 365
 366   /* Where the mouse was last time we reported a mouse position.
 367      This is a rectangle on last_mouse_glyph_frame.  */
 368   XRectangle last_mouse_glyph;
 369
 370   /* Time of last mouse movement on this display.  This is a hack because
 371      we would really prefer that XTmouse_position would return the time
 372      associated with the position it returns, but there doesn't seem to be
 373      any way to wrest the time-stamp from the server along with the position
 374      query.  So, we just keep track of the time of the last movement we
 375      received, and return that in hopes that it's somewhat accurate.  */
 376   Time last_mouse_movement_time;
 377
 378   /* The gray pixmap.  */
 379   Pixmap gray;
 380
 381 #ifdef HAVE_X_I18N
 382   /* XIM (X Input method).  */
 383   XIM xim;
 384   XIMStyles *xim_styles;
 385   struct xim_inst_t *xim_callback_data;
 386 #endif
 387
 388   /* If non-null, a cache of the colors in the color map.  Don't
 389      use this directly, call x_color_cells instead.  */
 390   XColor *color_cells;
 391   int ncolor_cells;
 392
 393   /* Bits and shifts to use to compose pixel values on TrueColor visuals.  */
 394   int red_bits, blue_bits, green_bits;
 395   int red_offset, blue_offset, green_offset;
 396
 397   /* The type of window manager we have.  If we move FRAME_OUTER_WINDOW
 398      to x/y 0/0, some window managers (type A) puts the window manager
 399      decorations outside the screen and FRAME_OUTER_WINDOW exactly at 0/0.
 400      Other window managers (type B) puts the window including decorations
 401      at 0/0, so FRAME_OUTER_WINDOW is a bit below 0/0.
 402      Record the type of WM in use so we can compensate for type A WMs.  */
 403   enum
 404     {
 405       X_WMTYPE_UNKNOWN,
 406       X_WMTYPE_A,
 407       X_WMTYPE_B
 408     } wm_type;
 409
 410
 411   /* Atoms that are drag and drop atoms */
 412   Atom *x_dnd_atoms;
 413   ptrdiff_t x_dnd_atoms_size;
 414   ptrdiff_t x_dnd_atoms_length;
 415
 416   /* Extended window manager hints, Atoms supported by the window manager and
 417      atoms for setting the window type.  */
 418   Atom Xatom_net_supported, Xatom_net_supporting_wm_check;
 419   Atom *net_supported_atoms;
 420   int nr_net_supported_atoms;
 421   Window net_supported_window;
 422   Atom Xatom_net_window_type, Xatom_net_window_type_tooltip;
 423   Atom Xatom_net_active_window;
 424
 425   /* Atoms dealing with EWMH (i.e. _NET_...) */
 426   Atom Xatom_net_wm_state, Xatom_net_wm_state_fullscreen,
 427     Xatom_net_wm_state_maximized_horz, Xatom_net_wm_state_maximized_vert,
 428     Xatom_net_wm_state_sticky, Xatom_net_wm_state_hidden,
 429     Xatom_net_frame_extents,
 430     Xatom_net_current_desktop, Xatom_net_workarea;
 431
 432   /* XSettings atoms and windows.  */
 433   Atom Xatom_xsettings_sel, Xatom_xsettings_prop, Xatom_xsettings_mgr;
 434   Window xsettings_window;
 435
 436   /* Frame name and icon name */
 437   Atom Xatom_net_wm_name, Xatom_net_wm_icon_name;
 438   /* Frame opacity */
 439   Atom Xatom_net_wm_window_opacity;
 440
 441   /* SM */
 442   Atom Xatom_SM_CLIENT_ID;
 443
 444 #ifdef USE_CAIRO
 445   XExtCodes *ext_codes;
 446 #endif
 447 };
 448
 449 #ifdef HAVE_X_I18N
 450 /* Whether or not to use XIM if we have it.  */
 451 extern bool use_xim;
 452 #endif
 453
 454 /* This is a chain of structures for all the X displays currently in use.  */
 455 extern struct x_display_info *x_display_list;
 456
 457 extern struct x_display_info *x_display_info_for_display (Display *);
 458 extern struct frame *x_top_window_to_frame (struct x_display_info *, int);
 459 extern struct x_display_info *x_term_init (Lisp_Object, char *, char *);
 460 extern bool x_display_ok (const char *);
 461
 462 extern void select_visual (struct x_display_info *);
 463
 464 /* Each X frame object points to its own struct x_output object
 465    in the output_data.x field.  The x_output structure contains
 466    the information that is specific to X windows.  */
 467
 468 struct x_output
 469 {
 470 #if defined (USE_X_TOOLKIT) || defined (USE_GTK)
 471   /* Height of menu bar widget, in pixels.  This value
 472      is not meaningful if the menubar is turned off.  */
 473   int menubar_height;
 474 #endif
 475
 476   /* Height of tool bar widget, in pixels.  top_height is used if tool bar
 477      at top, bottom_height if tool bar is at the bottom.
 478      Zero if not using an external tool bar or if tool bar is vertical.  */
 479   int toolbar_top_height, toolbar_bottom_height;
 480
 481   /* Width of tool bar widget, in pixels.  left_width is used if tool bar
 482      at left, right_width if tool bar is at the right.
 483      Zero if not using an external tool bar or if tool bar is horizontal.  */
 484   int toolbar_left_width, toolbar_right_width;
 485
 486   /* The tiled border used when the mouse is out of the frame.  */
 487   Pixmap border_tile;
 488
 489   /* Here are the Graphics Contexts for the default font.  */
 490   GC normal_gc;                         /* Normal video */
 491   GC reverse_gc;                        /* Reverse video */
 492   GC cursor_gc;                         /* cursor drawing */
 493
 494   /* The X window used for this frame.
 495      May be zero while the frame object is being created
 496      and the X window has not yet been created.  */
 497   Window window_desc;
 498
 499   /* The X window used for the bitmap icon;
 500      or 0 if we don't have a bitmap icon.  */
 501   Window icon_desc;
 502
 503   /* The X window that is the parent of this X window.
 504      Usually this is a window that was made by the window manager,
 505      but it can be the root window, and it can be explicitly specified
 506      (see the explicit_parent field, below).  */
 507   Window parent_desc;
 508
 509 #ifdef USE_X_TOOLKIT
 510   /* The widget of this screen.  This is the window of a "shell" widget.  */
 511   Widget widget;
 512   /* The XmPanedWindows...  */
 513   Widget column_widget;
 514   /* The widget of the edit portion of this screen; the window in
 515      "window_desc" is inside of this.  */
 516   Widget edit_widget;
 517
 518   Widget menubar_widget;
 519 #endif
 520
 521 #ifdef USE_GTK
 522   /* The widget of this screen.  This is the window of a top widget.  */
 523   GtkWidget *widget;
 524   /* The widget of the edit portion of this screen; the window in
 525      "window_desc" is inside of this.  */
 526   GtkWidget *edit_widget;
 527   /* The widget used for laying out widgets vertically.  */
 528   GtkWidget *vbox_widget;
 529   /* The widget used for laying out widgets horizontally.  */
 530   GtkWidget *hbox_widget;
 531   /* The menubar in this frame.  */
 532   GtkWidget *menubar_widget;
 533   /* The tool bar in this frame  */
 534   GtkWidget *toolbar_widget;
 535   /* True if tool bar is packed into the hbox widget (i.e. vertical).  */
 536   bool_bf toolbar_in_hbox : 1;
 537   bool_bf toolbar_is_packed : 1;
 538
 539   /* The last size hints set.  */
 540   GdkGeometry size_hints;
 541   long hint_flags;
 542
 543 #ifdef USE_GTK_TOOLTIP
 544   GtkTooltip *ttip_widget;
 545   GtkWidget *ttip_lbl;
 546   GtkWindow *ttip_window;
 547 #endif /* USE_GTK_TOOLTIP */
 548
 549 #endif /* USE_GTK */
 550
 551   /* If >=0, a bitmap index.  The indicated bitmap is used for the
 552      icon. */
 553   ptrdiff_t icon_bitmap;
 554
 555   /* Default ASCII font of this frame.  */
 556   struct font *font;
 557
 558   /* The baseline offset of the default ASCII font.  */
 559   int baseline_offset;
 560
 561   /* If a fontset is specified for this frame instead of font, this
 562      value contains an ID of the fontset, else -1.  */
 563   int fontset;
 564
 565   unsigned long cursor_pixel;
 566   unsigned long border_pixel;
 567   unsigned long mouse_pixel;
 568   unsigned long cursor_foreground_pixel;
 569
 570   /* Foreground color for scroll bars.  A value of -1 means use the
 571      default (black for non-toolkit scroll bars).  */
 572   unsigned long scroll_bar_foreground_pixel;
 573
 574   /* Background color for scroll bars.  A value of -1 means use the
 575      default (background color of the frame for non-toolkit scroll
 576      bars).  */
 577   unsigned long scroll_bar_background_pixel;
 578
 579 #if defined (USE_LUCID) && defined (USE_TOOLKIT_SCROLL_BARS)
 580   /* Top and bottom shadow colors for 3D Lucid scrollbars.
 581      -1 means let the scroll compute them itself.  */
 582   unsigned long scroll_bar_top_shadow_pixel;
 583   unsigned long scroll_bar_bottom_shadow_pixel;
 584 #endif
 585
 586   /* Descriptor for the cursor in use for this window.  */
 587   Cursor text_cursor;
 588   Cursor nontext_cursor;
 589   Cursor modeline_cursor;
 590   Cursor hand_cursor;
 591   Cursor hourglass_cursor;
 592   Cursor horizontal_drag_cursor;
 593   Cursor vertical_drag_cursor;
 594   Cursor current_cursor;
 595
 596   /* Window whose cursor is hourglass_cursor.  This window is temporarily
 597      mapped to display an hourglass cursor.  */
 598   Window hourglass_window;
 599
 600   /* These are the current window manager hints.  It seems that
 601      XSetWMHints, when presented with an unset bit in the `flags'
 602      member of the hints structure, does not leave the corresponding
 603      attribute unchanged; rather, it resets that attribute to its
 604      default value.  For example, unless you set the `icon_pixmap'
 605      field and the `IconPixmapHint' bit, XSetWMHints will forget what
 606      your icon pixmap was.  This is rather troublesome, since some of
 607      the members (for example, `input' and `icon_pixmap') want to stay
 608      the same throughout the execution of Emacs.  So, we keep this
 609      structure around, just leaving values in it and adding new bits
 610      to the mask as we go.  */
 611   XWMHints wm_hints;
 612
 613   /* This is the Emacs structure for the X display this frame is on.  */
 614   struct x_display_info *display_info;
 615
 616   /* This is a button event that wants to activate the menubar.
 617      We save it here until the command loop gets to think about it.  */
 618   XEvent *saved_menu_event;
 619
 620   /* This is the widget id used for this frame's menubar in lwlib.  */
 621 #ifdef USE_X_TOOLKIT
 622   int id;
 623 #endif
 624
 625   /* True means hourglass cursor is currently displayed.  */
 626   bool_bf hourglass_p : 1;
 627
 628   /* True means our parent is another application's window
 629      and was explicitly specified.  */
 630   bool_bf explicit_parent : 1;
 631
 632   /* True means tried already to make this frame visible.  */
 633   bool_bf asked_for_visible : 1;
 634
 635   /* True if this frame was ever previously visible.  */
 636   bool_bf has_been_visible : 1;
 637
 638   /* Xt waits for a ConfigureNotify event from the window manager in
 639      EmacsFrameSetCharSize when the shell widget is resized.  For some
 640      window managers like fvwm2 2.2.5 and KDE 2.1 this event doesn't
 641      arrive for an unknown reason and Emacs hangs in Xt.  If this is
 642      false, tell Xt not to wait.  */
 643   bool_bf wait_for_wm : 1;
 644
 645 #ifdef HAVE_X_I18N
 646   /* Input context (currently, this means Compose key handler setup).  */
 647   XIC xic;
 648   XIMStyle xic_style;
 649   XFontSet xic_xfs;
 650 #endif
 651
 652   /* Relief GCs, colors etc.  */
 653   struct relief
 654   {
 655     GC gc;
 656     unsigned long pixel;
 657   }
 658   black_relief, white_relief;
 659
 660   /* The background for which the above relief GCs were set up.
 661      They are changed only when a different background is involved.  */
 662   unsigned long relief_background;
 663
 664   /* Keep track of focus.  May be EXPLICIT if we received a FocusIn for this
 665      frame, or IMPLICIT if we received an EnterNotify.
 666      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 667   int focus_state;
 668
 669   /* The offset we need to add to compensate for type A WMs.  */
 670   int move_offset_top;
 671   int move_offset_left;
 672
 673 /* Extreme 'short' and 'long' values suitable for libX11.  */
 674 #define X_SHRT_MAX 0x7fff
 675 #define X_SHRT_MIN (-1 - X_SHRT_MAX)
 676 #define X_LONG_MAX 0x7fffffff
 677 #define X_LONG_MIN (-1 - X_LONG_MAX)
 678 #define X_ULONG_MAX 0xffffffffUL
 679
 680 #ifdef USE_CAIRO
 681   /* Cairo drawing context.  */
 682   cairo_t *cr_context;
 683   /* Cairo surface for double buffering */
 684   cairo_surface_t *cr_surface;
 685 #endif
 686 };
 687
 688 #define No_Cursor (None)
 689
 690 enum
 691 {
 692   /* Values for focus_state, used as bit mask.
 693      EXPLICIT means we received a FocusIn for the frame and know it has
 694      the focus.  IMPLICIT means we received an EnterNotify and the frame
 695      may have the focus if no window manager is running.
 696      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 697   FOCUS_NONE     = 0,
 698   FOCUS_IMPLICIT = 1,
 699   FOCUS_EXPLICIT = 2
 700 };
 701
 702
 703 /* Return the X output data for frame F.  */
 704 #define FRAME_X_OUTPUT(f) ((f)->output_data.x)
 705
 706 /* Return the X window used for displaying data in frame F.  */
 707 #define FRAME_X_WINDOW(f) ((f)->output_data.x->window_desc)
 708
 709 /* Return the outermost X window associated with the frame F.  */
 710 #ifdef USE_X_TOOLKIT
 711 #define FRAME_OUTER_WINDOW(f) ((f)->output_data.x->widget ?             \
 712                                XtWindow ((f)->output_data.x->widget) :  \
 713                                FRAME_X_WINDOW (f))
 714 #else
 715 #ifdef USE_GTK
 716 /* Functions not present in older Gtk+ */
 717
 718 #ifndef HAVE_GTK_WIDGET_GET_WINDOW
 719 #define gtk_widget_get_window(w) ((w)->window)
 720 #endif
 721 #ifndef HAVE_GTK_WIDGET_GET_MAPPED
 722 #define gtk_widget_get_mapped(w) (GTK_WIDGET_MAPPED (w))
 723 #endif
 724 #ifndef HAVE_GTK_ADJUSTMENT_GET_PAGE_SIZE
 725 #define gtk_adjustment_get_page_size(w) ((w)->page_size)
 726 #define gtk_adjustment_get_upper(w) ((w)->upper)
 727 #endif
 728
 729 #ifdef HAVE_GTK3
 730 #define DEFAULT_GDK_DISPLAY() \
 731   gdk_x11_display_get_xdisplay (gdk_display_get_default ())
 732 #else
 733 #undef GDK_WINDOW_XID
 734 #define GDK_WINDOW_XID(w) GDK_WINDOW_XWINDOW (w)
 735 #define DEFAULT_GDK_DISPLAY() GDK_DISPLAY ()
 736 #define gtk_widget_get_preferred_size(a, ign, b) \
 737   gtk_widget_size_request (a, b)
 738 #endif
 739
 740 #define GTK_WIDGET_TO_X_WIN(w) \
 741   ((w) && gtk_widget_get_window (w) \
 742    ? GDK_WINDOW_XID (gtk_widget_get_window (w)) : 0)
 743
 744 #define FRAME_GTK_OUTER_WIDGET(f) ((f)->output_data.x->widget)
 745 #define FRAME_GTK_WIDGET(f) ((f)->output_data.x->edit_widget)
 746 #define FRAME_OUTER_WINDOW(f)                                   \
 747        (FRAME_GTK_OUTER_WIDGET (f) ?                            \
 748         GTK_WIDGET_TO_X_WIN (FRAME_GTK_OUTER_WIDGET (f)) :      \
 749          FRAME_X_WINDOW (f))
 750
 751 #else /* !USE_GTK */
 752 #define FRAME_OUTER_WINDOW(f) (FRAME_X_WINDOW (f))
 753 #endif /* !USE_GTK */
 754 #endif
 755
 756 #if defined (USE_X_TOOLKIT) || defined (USE_GTK)
 757 #define FRAME_MENUBAR_HEIGHT(f) ((f)->output_data.x->menubar_height)
 758 #else
 759 #define FRAME_MENUBAR_HEIGHT(f) ((void) f, 0)
 760 #endif /* USE_X_TOOLKIT || USE_GTK */
 761
 762 #define FRAME_FONT(f) ((f)->output_data.x->font)
 763 #define FRAME_FONTSET(f) ((f)->output_data.x->fontset)
 764 #define FRAME_TOOLBAR_TOP_HEIGHT(f) ((f)->output_data.x->toolbar_top_height)
 765 #define FRAME_TOOLBAR_BOTTOM_HEIGHT(f) \
 766   ((f)->output_data.x->toolbar_bottom_height)
 767 #define FRAME_TOOLBAR_HEIGHT(f) \
 768   (FRAME_TOOLBAR_TOP_HEIGHT (f) + FRAME_TOOLBAR_BOTTOM_HEIGHT (f))
 769 #define FRAME_TOOLBAR_LEFT_WIDTH(f) ((f)->output_data.x->toolbar_left_width)
 770 #define FRAME_TOOLBAR_RIGHT_WIDTH(f) ((f)->output_data.x->toolbar_right_width)
 771 #define FRAME_TOOLBAR_WIDTH(f) \
 772   (FRAME_TOOLBAR_LEFT_WIDTH (f) + FRAME_TOOLBAR_RIGHT_WIDTH (f))
 773 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.x->baseline_offset)
 774
 775 /* This gives the x_display_info structure for the display F is on.  */
 776 #define FRAME_DISPLAY_INFO(f) ((f)->output_data.x->display_info)
 777
 778 /* This is the `Display *' which frame F is on.  */
 779 #define FRAME_X_DISPLAY(f) (FRAME_DISPLAY_INFO (f)->display)
 780
 781 /* This is the `Screen *' which frame F is on.  */
 782 #define FRAME_X_SCREEN(f) (FRAME_DISPLAY_INFO (f)->screen)
 783
 784 /* This is the screen index number of screen which frame F is on.  */
 785 #define FRAME_X_SCREEN_NUMBER(f) XScreenNumberOfScreen (FRAME_X_SCREEN (f))
 786
 787 /* This is the Visual which frame F is on.  */
 788 #define FRAME_X_VISUAL(f) FRAME_DISPLAY_INFO (f)->visual
 789
 790 /* This is the Colormap which frame F uses.  */
 791 #define FRAME_X_COLORMAP(f) FRAME_DISPLAY_INFO (f)->cmap
 792
 793 #define FRAME_XIC(f) ((f)->output_data.x->xic)
 794 #define FRAME_X_XIM(f) (FRAME_DISPLAY_INFO (f)->xim)
 795 #define FRAME_X_XIM_STYLES(f) (FRAME_DISPLAY_INFO (f)->xim_styles)
 796 #define FRAME_XIC_STYLE(f) ((f)->output_data.x->xic_style)
 797 #define FRAME_XIC_FONTSET(f) ((f)->output_data.x->xic_xfs)
 798
 799 /* X-specific scroll bar stuff.  */
 800
 801 /* We represent scroll bars as lisp vectors.  This allows us to place
 802    references to them in windows without worrying about whether we'll
 803    end up with windows referring to dead scroll bars; the garbage
 804    collector will free it when its time comes.
 805
 806    We use struct scroll_bar as a template for accessing fields of the
 807    vector.  */
 808
 809 struct scroll_bar
 810 {
 811   /* These fields are shared by all vectors.  */
 812   struct vectorlike_header header;
 813
 814   /* The window we're a scroll bar for.  */
 815   Lisp_Object window;
 816
 817   /* The next and previous in the chain of scroll bars in this frame.  */
 818   Lisp_Object next, prev;
 819
 820   /* Fields from `x_window' down will not be traced by the GC.  */
 821
 822   /* The X window representing this scroll bar.  */
 823   Window x_window;
 824
 825   /* The position and size of the scroll bar in pixels, relative to the
 826      frame.  */
 827   int top, left, width, height;
 828
 829   /* The starting and ending positions of the handle, relative to the
 830      handle area (i.e. zero is the top position, not
 831      SCROLL_BAR_TOP_BORDER).  If they're equal, that means the handle
 832      hasn't been drawn yet.
 833
 834      These are not actually the locations where the beginning and end
 835      are drawn; in order to keep handles from becoming invisible when
 836      editing large files, we establish a minimum height by always
 837      drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
 838      where they would be normally; the bottom and top are in a
 839      different co-ordinate system.  */
 840   int start, end;
 841
 842   /* If the scroll bar handle is currently being dragged by the user,
 843      this is the number of pixels from the top of the handle to the
 844      place where the user grabbed it.  If the handle isn't currently
 845      being dragged, this is -1.  */
 846   int dragging;
 847
 848 #if defined (USE_TOOLKIT_SCROLL_BARS) && defined (USE_LUCID)
 849   /* Last scroll bar part seen in xaw_jump_callback and xaw_scroll_callback.  */
 850   enum scroll_bar_part last_seen_part;
 851 #endif
 852
 853 #if defined (USE_TOOLKIT_SCROLL_BARS) && !defined (USE_GTK)
 854   /* Last value of whole for horizontal scrollbars.  */
 855   int whole;
 856 #endif
 857
 858   /* True if the scroll bar is horizontal.  */
 859   bool horizontal;
 860 };
 861
 862 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 863 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
 864
 865 #ifdef USE_X_TOOLKIT
 866
 867 /* Extract the X widget of the scroll bar from a struct scroll_bar.
 868    XtWindowToWidget should be fast enough since Xt uses a hash table
 869    to map windows to widgets.  */
 870
 871 #define SCROLL_BAR_X_WIDGET(dpy, ptr) \
 872   XtWindowToWidget (dpy, ptr->x_window)
 873
 874 /* Store a widget id in a struct scroll_bar.  */
 875
 876 #define SET_SCROLL_BAR_X_WIDGET(ptr, w)         \
 877   do {                                          \
 878     Window window = XtWindow (w);               \
 879     ptr->x_window = window;                     \
 880   } while (false)
 881
 882 #endif /* USE_X_TOOLKIT */
 883
 884 /* Return the inside width of a vertical scroll bar, given the outside
 885    width.  */
 886 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f, width) \
 887   ((width) \
 888    - VERTICAL_SCROLL_BAR_LEFT_BORDER \
 889    - VERTICAL_SCROLL_BAR_RIGHT_BORDER)
 890
 891 /* Return the length of the rectangle within which the top of the
 892    handle must stay.  This isn't equivalent to the inside height,
 893    because the scroll bar handle has a minimum height.
 894
 895    This is the real range of motion for the scroll bar, so when we're
 896    scaling buffer positions to scroll bar positions, we use this, not
 897    VERTICAL_SCROLL_BAR_INSIDE_HEIGHT.  */
 898 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f, height) \
 899   (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
 900
 901 /* Return the inside height of vertical scroll bar, given the outside
 902    height.  See VERTICAL_SCROLL_BAR_TOP_RANGE too.  */
 903 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f, height) \
 904   ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
 905
 906 /* Return the inside height of a horizontal scroll bar, given the outside
 907    height.  */
 908 #define HORIZONTAL_SCROLL_BAR_INSIDE_HEIGHT(f, height)  \
 909   ((height) \
 910    - HORIZONTAL_SCROLL_BAR_TOP_BORDER \
 911    - HORIZONTAL_SCROLL_BAR_BOTTOM_BORDER)
 912
 913 /* Return the length of the rectangle within which the left part of the
 914    handle must stay.  This isn't equivalent to the inside width, because
 915    the scroll bar handle has a minimum width.
 916
 917    This is the real range of motion for the scroll bar, so when we're
 918    scaling buffer positions to scroll bar positions, we use this, not
 919    HORIZONTAL_SCROLL_BAR_INSIDE_WIDTH.  */
 920 #define HORIZONTAL_SCROLL_BAR_LEFT_RANGE(f, width) \
 921   (HORIZONTAL_SCROLL_BAR_INSIDE_WIDTH (f, width) - HORIZONTAL_SCROLL_BAR_MIN_HANDLE)
 922
 923 /* Return the inside width of horizontal scroll bar, given the outside
 924    width.  See HORIZONTAL_SCROLL_BAR_LEFT_RANGE too.  */
 925 #define HORIZONTAL_SCROLL_BAR_INSIDE_WIDTH(f, width) \
 926   ((width) - HORIZONTAL_SCROLL_BAR_LEFT_BORDER - HORIZONTAL_SCROLL_BAR_LEFT_BORDER)
 927
 928
 929 /* Border widths for scroll bars.
 930
 931    Scroll bar windows don't have any X borders; their border width is
 932    set to zero, and we redraw borders ourselves.  This makes the code
 933    a bit cleaner, since we don't have to convert between outside width
 934    (used when relating to the rest of the screen) and inside width
 935    (used when sizing and drawing the scroll bar window itself).
 936
 937    The handle moves up and down/back and forth in a rectangle inset
 938    from the edges of the scroll bar.  These are widths by which we
 939    inset the handle boundaries from the scroll bar edges.  */
 940 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (2)
 941 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (2)
 942 #define VERTICAL_SCROLL_BAR_TOP_BORDER (2)
 943 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (2)
 944
 945 #define HORIZONTAL_SCROLL_BAR_LEFT_BORDER (2)
 946 #define HORIZONTAL_SCROLL_BAR_RIGHT_BORDER (2)
 947 #define HORIZONTAL_SCROLL_BAR_TOP_BORDER (2)
 948 #define HORIZONTAL_SCROLL_BAR_BOTTOM_BORDER (2)
 949
 950 /* Minimum lengths for scroll bar handles, in pixels.  */
 951 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (5)
 952 #define HORIZONTAL_SCROLL_BAR_MIN_HANDLE (5)
 953
 954 /* If a struct input_event has a kind which is SELECTION_REQUEST_EVENT
 955    or SELECTION_CLEAR_EVENT, then its contents are really described
 956    by this structure.  */
 957
 958 /* For an event of kind SELECTION_REQUEST_EVENT,
 959    this structure really describes the contents.  */
 960
 961 struct selection_input_event
 962 {
 963   ENUM_BF (event_kind) kind : EVENT_KIND_WIDTH;
 964   struct x_display_info *dpyinfo;
 965   /* We spell it with an "o" here because X does.  */
 966   Window requestor;
 967   Atom selection, target, property;
 968   Time time;
 969 };
 970
 971 /* Unlike macros below, this can't be used as an lvalue.  */
 972 INLINE Display *
 973 SELECTION_EVENT_DISPLAY (struct selection_input_event *ev)
 974 {
 975   return ev->dpyinfo->display;
 976 }
 977 #define SELECTION_EVENT_DPYINFO(eventp) \
 978   ((eventp)->dpyinfo)
 979 /* We spell it with an "o" here because X does.  */
 980 #define SELECTION_EVENT_REQUESTOR(eventp)       \
 981   ((eventp)->requestor)
 982 #define SELECTION_EVENT_SELECTION(eventp)       \
 983   ((eventp)->selection)
 984 #define SELECTION_EVENT_TARGET(eventp)  \
 985   ((eventp)->target)
 986 #define SELECTION_EVENT_PROPERTY(eventp)        \
 987   ((eventp)->property)
 988 #define SELECTION_EVENT_TIME(eventp)    \
 989   ((eventp)->time)
 990
 991 /* From xfns.c.  */
 992
 993 extern void x_free_gcs (struct frame *);
 994 extern void x_relative_mouse_position (struct frame *, int *, int *);
 995 extern void x_real_pos_and_offsets (struct frame *f,
 996                                     int *left_offset_x,
 997                                     int *right_offset_x,
 998                                     int *top_offset_y,
 999                                     int *bottom_offset_y,
1000                                     int *x_pixels_diff,
1001                                     int *y_pixels_diff,
1002                                     int *xptr,
1003                                     int *yptr,
1004                                     int *outer_border);
1005
1006 /* From xrdb.c.  */
1007
1008 XrmDatabase x_load_resources (Display *, const char *, const char *,
1009                               const char *);
1010
1011 /* Defined in xterm.c */
1012
1013 extern bool x_text_icon (struct frame *, const char *);
1014 extern void x_catch_errors (Display *);
1015 extern void x_check_errors (Display *, const char *)
1016   ATTRIBUTE_FORMAT_PRINTF (2, 0);
1017 extern bool x_had_errors_p (Display *);
1018 extern void x_uncatch_errors (void);
1019 extern void x_clear_errors (Display *);
1020 extern void xembed_request_focus (struct frame *);
1021 extern void x_ewmh_activate_frame (struct frame *);
1022 extern void x_delete_terminal (struct terminal *terminal);
1023 extern unsigned long x_copy_color (struct frame *, unsigned long);
1024 #ifdef USE_X_TOOLKIT
1025 extern XtAppContext Xt_app_con;
1026 extern void x_activate_timeout_atimer (void);
1027 #endif
1028 #ifdef USE_LUCID
1029 extern bool x_alloc_lighter_color_for_widget (Widget, Display *, Colormap,
1030                                               unsigned long *,
1031                                               double, int);
1032 #endif
1033 extern bool x_alloc_nearest_color (struct frame *, Colormap, XColor *);
1034 extern void x_query_color (struct frame *f, XColor *);
1035 extern void x_clear_area (struct frame *f, int, int, int, int);
1036 #if !defined USE_X_TOOLKIT && !defined USE_GTK
1037 extern void x_mouse_leave (struct x_display_info *);
1038 #endif
1039
1040 #if defined USE_X_TOOLKIT || defined USE_MOTIF
1041 extern int x_dispatch_event (XEvent *, Display *);
1042 #endif
1043 extern int x_x_to_emacs_modifiers (struct x_display_info *, int);
1044 #ifdef USE_CAIRO
1045 extern cairo_t *x_begin_cr_clip (struct frame *, GC);
1046 extern void x_end_cr_clip (struct frame *);
1047 extern void x_set_cr_source_with_gc_foreground (struct frame *, GC);
1048 extern void x_set_cr_source_with_gc_background (struct frame *, GC);
1049 extern void x_cr_draw_frame (cairo_t *, struct frame *);
1050 extern Lisp_Object x_cr_export_frames (Lisp_Object, cairo_surface_type_t);
1051 #endif
1052
1053 INLINE int
1054 x_display_pixel_height (struct x_display_info *dpyinfo)
1055 {
1056   return HeightOfScreen (dpyinfo->screen);
1057 }
1058
1059 INLINE int
1060 x_display_pixel_width (struct x_display_info *dpyinfo)
1061 {
1062   return WidthOfScreen (dpyinfo->screen);
1063 }
1064
1065 INLINE void
1066 x_display_set_last_user_time (struct x_display_info *dpyinfo, Time t)
1067 {
1068 #ifdef ENABLE_CHECKING
1069   eassert (t <= X_ULONG_MAX);
1070 #endif
1071   dpyinfo->last_user_time = t;
1072 }
1073
1074 extern void x_set_sticky (struct frame *, Lisp_Object, Lisp_Object);
1075 extern bool x_wm_supports (struct frame *, Atom);
1076 extern void x_wait_for_event (struct frame *, int);
1077 extern void x_clear_under_internal_border (struct frame *f);
1078
1079 /* Defined in xselect.c.  */
1080
1081 extern void x_handle_property_notify (const XPropertyEvent *);
1082 extern void x_handle_selection_notify (const XSelectionEvent *);
1083 extern void x_handle_selection_event (struct selection_input_event *);
1084 extern void x_clear_frame_selections (struct frame *);
1085
1086 extern void x_send_client_event (Lisp_Object display,
1087                                  Lisp_Object dest,
1088                                  Lisp_Object from,
1089                                  Atom message_type,
1090                                  Lisp_Object format,
1091                                  Lisp_Object values);
1092
1093 extern bool x_handle_dnd_message (struct frame *,
1094                                   const XClientMessageEvent *,
1095                                   struct x_display_info *,
1096                                   struct input_event *);
1097 extern int x_check_property_data (Lisp_Object);
1098 extern void x_fill_property_data (Display *,
1099                                   Lisp_Object,
1100                                   void *,
1101                                   int);
1102 extern Lisp_Object x_property_data_to_lisp (struct frame *,
1103                                             const unsigned char *,
1104                                             Atom,
1105                                             int,
1106                                             unsigned long);
1107 extern void x_clipboard_manager_save_frame (Lisp_Object);
1108 extern void x_clipboard_manager_save_all (void);
1109
1110 #ifdef USE_GTK
1111 extern bool xg_set_icon (struct frame *, Lisp_Object);
1112 extern bool xg_set_icon_from_xpm_data (struct frame *, const char **);
1113 #endif /* USE_GTK */
1114
1115 extern void xic_free_xfontset (struct frame *);
1116 extern void create_frame_xic (struct frame *);
1117 extern void destroy_frame_xic (struct frame *);
1118 extern void xic_set_preeditarea (struct window *, int, int);
1119 extern void xic_set_statusarea (struct frame *);
1120 extern void xic_set_xfontset (struct frame *, const char *);
1121 extern bool x_defined_color (struct frame *, const char *, XColor *, bool);
1122 #ifdef HAVE_X_I18N
1123 extern void free_frame_xic (struct frame *);
1124 # if defined HAVE_X_WINDOWS && defined USE_X_TOOLKIT
1125 extern char *xic_create_fontsetname (const char *, bool);
1126 # endif
1127 #endif
1128
1129 /* Defined in xfaces.c */
1130
1131 #ifdef USE_X_TOOLKIT
1132 extern void x_free_dpy_colors (Display *, Screen *, Colormap,
1133                                unsigned long *, int);
1134 #endif /* USE_X_TOOLKIT */
1135
1136 /* Defined in xmenu.c */
1137
1138 #if defined USE_X_TOOLKIT || defined USE_GTK
1139 extern Lisp_Object xw_popup_dialog (struct frame *, Lisp_Object, Lisp_Object);
1140 #endif
1141
1142 #if defined USE_GTK || defined USE_MOTIF
1143 extern void x_menu_set_in_use (bool);
1144 #endif
1145 extern void x_menu_wait_for_event (void *data);
1146 extern void initialize_frame_menubar (struct frame *);
1147
1148 /* Defined in xsmfns.c */
1149 #ifdef HAVE_X_SM
1150 extern void x_session_initialize (struct x_display_info *dpyinfo);
1151 extern bool x_session_have_connection (void);
1152 extern void x_session_close (void);
1153 #endif
1154
1155
1156 /* Is the frame embedded into another application? */
1157
1158 #define FRAME_X_EMBEDDED_P(f) (FRAME_X_OUTPUT(f)->explicit_parent != 0)
1159
1160 #define STORE_XCHAR2B(chp, b1, b2) \
1161   ((chp)->byte1 = (b1), (chp)->byte2 = (b2))
1162
1163 #define XCHAR2B_BYTE1(chp) \
1164   ((chp)->byte1)
1165
1166 #define XCHAR2B_BYTE2(chp) \
1167   ((chp)->byte2)
1168
1169 #define STORE_NATIVE_RECT(nr,rx,ry,rwidth,rheight)      \
1170   ((nr).x = (rx),                                       \
1171    (nr).y = (ry),                                       \
1172    (nr).width = (rwidth),                               \
1173    (nr).height = (rheight))
1174
1175 INLINE_HEADER_END
1176
1177 #endif /* XTERM_H */