src/xterm.h

   1 /* Definitions and headers for communication with X protocol.
   2    Copyright (C) 1989, 1993-1994, 1998-2014 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 HAVE_X_I18N
  74 #include <X11/Xlocale.h>
  75 #endif
  76
  77 #include "dispextern.h"
  78 #include "termhooks.h"
  79
  80 INLINE_HEADER_BEGIN
  81
  82 /* Black and white pixel values for the screen which frame F is on.  */
  83 #define BLACK_PIX_DEFAULT(f)                                    \
  84   BlackPixel (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f))
  85 #define WHITE_PIX_DEFAULT(f)                                    \
  86   WhitePixel (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f))
  87
  88 /* The mask of events that text windows always want to receive.  This
  89    includes mouse movement events, since handling the mouse-font text property
  90    means that we must track mouse motion all the time.  */
  91
  92 #define STANDARD_EVENT_SET      \
  93   (KeyPressMask                 \
  94    | ExposureMask               \
  95    | ButtonPressMask            \
  96    | ButtonReleaseMask          \
  97    | PointerMotionMask          \
  98    | StructureNotifyMask        \
  99    | FocusChangeMask            \
 100    | LeaveWindowMask            \
 101    | EnterWindowMask            \
 102    | VisibilityChangeMask)
 103
 104 #ifdef HAVE_X11R6_XIM
 105 /* Data structure passed to xim_instantiate_callback.  */
 106 struct xim_inst_t
 107 {
 108   struct x_display_info *dpyinfo;
 109   char *resource_name;
 110 };
 111 #endif /* HAVE_X11R6_XIM */
 112
 113 /* Structure recording X pixmap and reference count.
 114    If REFCOUNT is 0 then this record is free to be reused.  */
 115
 116 struct x_bitmap_record
 117 {
 118   Pixmap pixmap;
 119   bool have_mask;
 120   Pixmap mask;
 121   char *file;
 122   int refcount;
 123   /* Record some info about this pixmap.  */
 124   int height, width, depth;
 125 };
 126 \f
 127 /* For each X display, we have a structure that records
 128    information about it.  */
 129
 130 struct x_display_info
 131 {
 132   /* Chain of all x_display_info structures.  */
 133   struct x_display_info *next;
 134
 135   /* The generic display parameters corresponding to this X display. */
 136   struct terminal *terminal;
 137
 138   /* This says how to access this display in Xlib.  */
 139   Display *display;
 140
 141   /* A connection number (file descriptor) for the display.  */
 142   int connection;
 143
 144   /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).  */
 145   Lisp_Object name_list_element;
 146
 147   /* Number of frames that are on this display.  */
 148   int reference_count;
 149
 150   /* The Screen this connection is connected to.  */
 151   Screen *screen;
 152
 153   /* Dots per inch of the screen.  */
 154   double resx, resy;
 155
 156   /* The Visual being used for this display.  */
 157   Visual *visual;
 158
 159   /* The colormap being used.  */
 160   Colormap cmap;
 161
 162   /* Number of planes on this screen.  */
 163   int n_planes;
 164
 165   /* Mask of things that cause the mouse to be grabbed.  */
 166   int grabbed;
 167
 168   /* Emacs bitmap-id of the default icon bitmap for this frame.
 169      Or -1 if none has been allocated yet.  */
 170   ptrdiff_t icon_bitmap_id;
 171
 172   /* The root window of this screen.  */
 173   Window root_window;
 174
 175   /* Client leader window.  */
 176   Window client_leader_window;
 177
 178   /* The cursor to use for vertical scroll bars.  */
 179   Cursor vertical_scroll_bar_cursor;
 180
 181   /* The cursor to use for horizontal scroll bars.  */
 182   Cursor horizontal_scroll_bar_cursor;
 183
 184   /* The invisible cursor used for pointer blanking.
 185      Unused if this display supports Xfixes extension.  */
 186   Cursor invisible_cursor;
 187
 188   /* Function used to toggle pointer visibility on this display.  */
 189   void (*toggle_visible_pointer) (struct frame *, bool);
 190
 191 #ifdef USE_GTK
 192   /* The GDK cursor for scroll bars and popup menus.  */
 193   GdkCursor *xg_cursor;
 194 #endif
 195
 196   /* X Resource data base */
 197   XrmDatabase xrdb;
 198
 199   /* Minimum width over all characters in all fonts in font_table.  */
 200   int smallest_char_width;
 201
 202   /* Minimum font height over all fonts in font_table.  */
 203   int smallest_font_height;
 204
 205   /* Reusable Graphics Context for drawing a cursor in a non-default face. */
 206   GC scratch_cursor_gc;
 207
 208   /* Information about the range of text currently shown in
 209      mouse-face.  */
 210   Mouse_HLInfo mouse_highlight;
 211
 212   /* Logical identifier of this display.  */
 213   unsigned x_id;
 214
 215   /* Default name for all frames on this display.  */
 216   char *x_id_name;
 217
 218   /* The number of fonts opened for this display.  */
 219   int n_fonts;
 220
 221   /* Pointer to bitmap records.  */
 222   struct x_bitmap_record *bitmaps;
 223
 224   /* Allocated size of bitmaps field.  */
 225   ptrdiff_t bitmaps_size;
 226
 227   /* Last used bitmap index.  */
 228   ptrdiff_t bitmaps_last;
 229
 230   /* Which modifier keys are on which modifier bits?
 231
 232      With each keystroke, X returns eight bits indicating which modifier
 233      keys were held down when the key was pressed.  The interpretation
 234      of the top five modifier bits depends on what keys are attached
 235      to them.  If the Meta_L and Meta_R keysyms are on mod5, then mod5
 236      is the meta bit.
 237
 238      meta_mod_mask is a mask containing the bits used for the meta key.
 239      It may have more than one bit set, if more than one modifier bit
 240      has meta keys on it.  Basically, if EVENT is a KeyPress event,
 241      the meta key is pressed if (EVENT.state & meta_mod_mask) != 0.
 242
 243      shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the
 244      lock modifier bit, or zero otherwise.  Non-alphabetic keys should
 245      only be affected by the lock modifier bit if XK_Shift_Lock is in
 246      use; XK_Caps_Lock should only affect alphabetic keys.  With this
 247      arrangement, the lock modifier should shift the character if
 248      (EVENT.state & shift_lock_mask) != 0.  */
 249   int meta_mod_mask, shift_lock_mask;
 250
 251   /* These are like meta_mod_mask, but for different modifiers.  */
 252   int alt_mod_mask, super_mod_mask, hyper_mod_mask;
 253
 254   /* Communication with window managers.  */
 255   Atom Xatom_wm_protocols;
 256
 257   /* Kinds of protocol things we may receive.  */
 258   Atom Xatom_wm_take_focus;
 259   Atom Xatom_wm_save_yourself;
 260   Atom Xatom_wm_delete_window;
 261
 262   /* Atom for indicating window state to the window manager.  */
 263   Atom Xatom_wm_change_state;
 264
 265   /* Other WM communication */
 266   Atom Xatom_wm_configure_denied; /* When our config request is denied */
 267   Atom Xatom_wm_window_moved;     /* When the WM moves us.  */
 268   Atom Xatom_wm_client_leader;    /* Id of client leader window.  */
 269
 270   /* EditRes protocol */
 271   Atom Xatom_editres;
 272
 273   /* More atoms, which are selection types.  */
 274   Atom Xatom_CLIPBOARD, Xatom_TIMESTAMP, Xatom_TEXT, Xatom_DELETE,
 275   Xatom_COMPOUND_TEXT, Xatom_UTF8_STRING,
 276   Xatom_MULTIPLE, Xatom_INCR, Xatom_EMACS_TMP, Xatom_TARGETS, Xatom_NULL,
 277   Xatom_ATOM, Xatom_ATOM_PAIR, Xatom_CLIPBOARD_MANAGER;
 278
 279   /* More atoms for font properties.  The last three are private
 280      properties, see the comments in src/fontset.h.  */
 281   Atom Xatom_PIXEL_SIZE, Xatom_AVERAGE_WIDTH,
 282   Xatom_MULE_BASELINE_OFFSET, Xatom_MULE_RELATIVE_COMPOSE,
 283   Xatom_MULE_DEFAULT_ASCENT;
 284
 285   /* More atoms for Ghostscript support.  */
 286   Atom Xatom_DONE, Xatom_PAGE;
 287
 288   /* Atoms used in toolkit scroll bar client messages.  */
 289   Atom Xatom_Scrollbar, Xatom_Horizontal_Scrollbar;
 290
 291   /* Atom used in XEmbed client messages.  */
 292   Atom Xatom_XEMBED, Xatom_XEMBED_INFO;
 293
 294   /* The frame (if any) which has the X window that has keyboard focus.
 295      Zero if none.  This is examined by Ffocus_frame in xfns.c.  Note
 296      that a mere EnterNotify event can set this; if you need to know the
 297      last frame specified in a FocusIn or FocusOut event, use
 298      x_focus_event_frame.  */
 299   struct frame *x_focus_frame;
 300
 301   /* The last frame mentioned in a FocusIn or FocusOut event.  This is
 302      separate from x_focus_frame, because whether or not LeaveNotify
 303      events cause us to lose focus depends on whether or not we have
 304      received a FocusIn event for it.  */
 305   struct frame *x_focus_event_frame;
 306
 307   /* The frame which currently has the visual highlight, and should get
 308      keyboard input (other sorts of input have the frame encoded in the
 309      event).  It points to the X focus frame's selected window's
 310      frame.  It differs from x_focus_frame when we're using a global
 311      minibuffer.  */
 312   struct frame *x_highlight_frame;
 313
 314   /* The frame waiting to be auto-raised in XTread_socket.  */
 315   struct frame *x_pending_autoraise_frame;
 316
 317   /* The frame where the mouse was last time we reported a ButtonPress event.  */
 318   struct frame *last_mouse_frame;
 319
 320   /* The frame where the mouse was last time we reported a mouse position.  */
 321   struct frame *last_mouse_glyph_frame;
 322
 323   /* The frame where the mouse was last time we reported a mouse motion.  */
 324   struct frame *last_mouse_motion_frame;
 325
 326   /* The scroll bar in which the last X motion event occurred.  */
 327   struct scroll_bar *last_mouse_scroll_bar;
 328
 329   /* Time of last user interaction as returned in X events on this display.  */
 330   Time last_user_time;
 331
 332   /* Position where the mouse was last time we reported a motion.
 333      This is a position on last_mouse_motion_frame.  */
 334   int last_mouse_motion_x;
 335   int last_mouse_motion_y;
 336
 337   /* Where the mouse was last time we reported a mouse position.
 338      This is a rectangle on last_mouse_glyph_frame.  */
 339   XRectangle last_mouse_glyph;
 340
 341   /* Time of last mouse movement on this display.  This is a hack because
 342      we would really prefer that XTmouse_position would return the time
 343      associated with the position it returns, but there doesn't seem to be
 344      any way to wrest the time-stamp from the server along with the position
 345      query.  So, we just keep track of the time of the last movement we
 346      received, and return that in hopes that it's somewhat accurate.  */
 347   Time last_mouse_movement_time;
 348
 349   /* The gray pixmap.  */
 350   Pixmap gray;
 351
 352 #ifdef HAVE_X_I18N
 353   /* XIM (X Input method).  */
 354   XIM xim;
 355   XIMStyles *xim_styles;
 356   struct xim_inst_t *xim_callback_data;
 357 #endif
 358
 359   /* If non-null, a cache of the colors in the color map.  Don't
 360      use this directly, call x_color_cells instead.  */
 361   XColor *color_cells;
 362   int ncolor_cells;
 363
 364   /* Bits and shifts to use to compose pixel values on TrueColor visuals.  */
 365   int red_bits, blue_bits, green_bits;
 366   int red_offset, blue_offset, green_offset;
 367
 368   /* The type of window manager we have.  If we move FRAME_OUTER_WINDOW
 369      to x/y 0/0, some window managers (type A) puts the window manager
 370      decorations outside the screen and FRAME_OUTER_WINDOW exactly at 0/0.
 371      Other window managers (type B) puts the window including decorations
 372      at 0/0, so FRAME_OUTER_WINDOW is a bit below 0/0.
 373      Record the type of WM in use so we can compensate for type A WMs.  */
 374   enum
 375     {
 376       X_WMTYPE_UNKNOWN,
 377       X_WMTYPE_A,
 378       X_WMTYPE_B
 379     } wm_type;
 380
 381
 382   /* Atoms that are drag and drop atoms */
 383   Atom *x_dnd_atoms;
 384   ptrdiff_t x_dnd_atoms_size;
 385   ptrdiff_t x_dnd_atoms_length;
 386
 387   /* Extended window manager hints, Atoms supported by the window manager and
 388      atoms for setting the window type.  */
 389   Atom Xatom_net_supported, Xatom_net_supporting_wm_check;
 390   Atom *net_supported_atoms;
 391   int nr_net_supported_atoms;
 392   Window net_supported_window;
 393   Atom Xatom_net_window_type, Xatom_net_window_type_tooltip;
 394   Atom Xatom_net_active_window;
 395
 396   /* Atoms dealing with EWMH (i.e. _NET_...) */
 397   Atom Xatom_net_wm_state, Xatom_net_wm_state_fullscreen,
 398     Xatom_net_wm_state_maximized_horz, Xatom_net_wm_state_maximized_vert,
 399     Xatom_net_wm_state_sticky, Xatom_net_wm_state_hidden,
 400     Xatom_net_frame_extents,
 401     Xatom_net_current_desktop, Xatom_net_workarea;
 402
 403   /* XSettings atoms and windows.  */
 404   Atom Xatom_xsettings_sel, Xatom_xsettings_prop, Xatom_xsettings_mgr;
 405   Window xsettings_window;
 406
 407   /* Frame name and icon name */
 408   Atom Xatom_net_wm_name, Xatom_net_wm_icon_name;
 409   /* Frame opacity */
 410   Atom Xatom_net_wm_window_opacity;
 411
 412   /* SM */
 413   Atom Xatom_SM_CLIENT_ID;
 414 };
 415
 416 #ifdef HAVE_X_I18N
 417 /* Whether or not to use XIM if we have it.  */
 418 extern bool use_xim;
 419 #endif
 420
 421 /* This is a chain of structures for all the X displays currently in use.  */
 422 extern struct x_display_info *x_display_list;
 423
 424 extern struct x_display_info *x_display_info_for_display (Display *);
 425 extern struct frame *x_top_window_to_frame (struct x_display_info *, int);
 426 extern struct x_display_info *x_term_init (Lisp_Object, char *, char *);
 427 extern bool x_display_ok (const char *);
 428
 429 extern void select_visual (struct x_display_info *);
 430
 431 /* Each X frame object points to its own struct x_output object
 432    in the output_data.x field.  The x_output structure contains
 433    the information that is specific to X windows.  */
 434
 435 struct x_output
 436 {
 437 #if defined (USE_X_TOOLKIT) || defined (USE_GTK)
 438   /* Height of menu bar widget, in pixels.  This value
 439      is not meaningful if the menubar is turned off.  */
 440   int menubar_height;
 441 #endif
 442
 443   /* Height of tool bar widget, in pixels.  top_height is used if tool bar
 444      at top, bottom_height if tool bar is at the bottom.
 445      Zero if not using an external tool bar or if tool bar is vertical.  */
 446   int toolbar_top_height, toolbar_bottom_height;
 447
 448   /* Width of tool bar widget, in pixels.  left_width is used if tool bar
 449      at left, right_width if tool bar is at the right.
 450      Zero if not using an external tool bar or if tool bar is horizontal.  */
 451   int toolbar_left_width, toolbar_right_width;
 452
 453   /* The tiled border used when the mouse is out of the frame.  */
 454   Pixmap border_tile;
 455
 456   /* Here are the Graphics Contexts for the default font.  */
 457   GC normal_gc;                         /* Normal video */
 458   GC reverse_gc;                        /* Reverse video */
 459   GC cursor_gc;                         /* cursor drawing */
 460
 461   /* The X window used for this frame.
 462      May be zero while the frame object is being created
 463      and the X window has not yet been created.  */
 464   Window window_desc;
 465
 466   /* The X window used for the bitmap icon;
 467      or 0 if we don't have a bitmap icon.  */
 468   Window icon_desc;
 469
 470   /* The X window that is the parent of this X window.
 471      Usually this is a window that was made by the window manager,
 472      but it can be the root window, and it can be explicitly specified
 473      (see the explicit_parent field, below).  */
 474   Window parent_desc;
 475
 476 #ifdef USE_X_TOOLKIT
 477   /* The widget of this screen.  This is the window of a "shell" widget.  */
 478   Widget widget;
 479   /* The XmPanedWindows...  */
 480   Widget column_widget;
 481   /* The widget of the edit portion of this screen; the window in
 482      "window_desc" is inside of this.  */
 483   Widget edit_widget;
 484
 485   Widget menubar_widget;
 486 #endif
 487
 488 #ifdef USE_GTK
 489   /* The widget of this screen.  This is the window of a top widget.  */
 490   GtkWidget *widget;
 491   /* The widget of the edit portion of this screen; the window in
 492      "window_desc" is inside of this.  */
 493   GtkWidget *edit_widget;
 494   /* The widget used for laying out widgets vertically.  */
 495   GtkWidget *vbox_widget;
 496   /* The widget used for laying out widgets horizontally.  */
 497   GtkWidget *hbox_widget;
 498   /* The menubar in this frame.  */
 499   GtkWidget *menubar_widget;
 500   /* The tool bar in this frame  */
 501   GtkWidget *toolbar_widget;
 502 #ifdef HAVE_GTK_HANDLE_BOX_NEW
 503 /* The handle box that makes the tool bar detachable.  */
 504   GtkWidget *handlebox_widget;
 505 #endif
 506   /* True if tool bar is packed into the hbox widget (i.e. vertical).  */
 507   bool_bf toolbar_in_hbox : 1;
 508   bool_bf toolbar_is_packed : 1;
 509
 510   /* The last size hints set.  */
 511   GdkGeometry size_hints;
 512   long hint_flags;
 513
 514 #ifdef USE_GTK_TOOLTIP
 515   GtkTooltip *ttip_widget;
 516   GtkWidget *ttip_lbl;
 517   GtkWindow *ttip_window;
 518 #endif /* USE_GTK_TOOLTIP */
 519
 520 #endif /* USE_GTK */
 521
 522   /* If >=0, a bitmap index.  The indicated bitmap is used for the
 523      icon. */
 524   ptrdiff_t icon_bitmap;
 525
 526   /* Default ASCII font of this frame.  */
 527   struct font *font;
 528
 529   /* The baseline offset of the default ASCII font.  */
 530   int baseline_offset;
 531
 532   /* If a fontset is specified for this frame instead of font, this
 533      value contains an ID of the fontset, else -1.  */
 534   int fontset;
 535
 536   unsigned long cursor_pixel;
 537   unsigned long border_pixel;
 538   unsigned long mouse_pixel;
 539   unsigned long cursor_foreground_pixel;
 540
 541   /* Foreground color for scroll bars.  A value of -1 means use the
 542      default (black for non-toolkit scroll bars).  */
 543   unsigned long scroll_bar_foreground_pixel;
 544
 545   /* Background color for scroll bars.  A value of -1 means use the
 546      default (background color of the frame for non-toolkit scroll
 547      bars).  */
 548   unsigned long scroll_bar_background_pixel;
 549
 550 #if defined (USE_LUCID) && defined (USE_TOOLKIT_SCROLL_BARS)
 551   /* Top and bottom shadow colors for 3D Lucid scrollbars.
 552      -1 means let the scroll compute them itself.  */
 553   unsigned long scroll_bar_top_shadow_pixel;
 554   unsigned long scroll_bar_bottom_shadow_pixel;
 555 #endif
 556
 557   /* Descriptor for the cursor in use for this window.  */
 558   Cursor text_cursor;
 559   Cursor nontext_cursor;
 560   Cursor modeline_cursor;
 561   Cursor hand_cursor;
 562   Cursor hourglass_cursor;
 563   Cursor horizontal_drag_cursor;
 564   Cursor vertical_drag_cursor;
 565   Cursor current_cursor;
 566
 567   /* Window whose cursor is hourglass_cursor.  This window is temporarily
 568      mapped to display an hourglass cursor.  */
 569   Window hourglass_window;
 570
 571   /* These are the current window manager hints.  It seems that
 572      XSetWMHints, when presented with an unset bit in the `flags'
 573      member of the hints structure, does not leave the corresponding
 574      attribute unchanged; rather, it resets that attribute to its
 575      default value.  For example, unless you set the `icon_pixmap'
 576      field and the `IconPixmapHint' bit, XSetWMHints will forget what
 577      your icon pixmap was.  This is rather troublesome, since some of
 578      the members (for example, `input' and `icon_pixmap') want to stay
 579      the same throughout the execution of Emacs.  So, we keep this
 580      structure around, just leaving values in it and adding new bits
 581      to the mask as we go.  */
 582   XWMHints wm_hints;
 583
 584   /* This is the Emacs structure for the X display this frame is on.  */
 585   struct x_display_info *display_info;
 586
 587   /* This is a button event that wants to activate the menubar.
 588      We save it here until the command loop gets to think about it.  */
 589   XEvent *saved_menu_event;
 590
 591   /* This is the widget id used for this frame's menubar in lwlib.  */
 592 #ifdef USE_X_TOOLKIT
 593   int id;
 594 #endif
 595
 596   /* True means hourglass cursor is currently displayed.  */
 597   bool_bf hourglass_p : 1;
 598
 599   /* True means our parent is another application's window
 600      and was explicitly specified.  */
 601   bool_bf explicit_parent : 1;
 602
 603   /* True means tried already to make this frame visible.  */
 604   bool_bf asked_for_visible : 1;
 605
 606   /* True if this frame was ever previously visible.  */
 607   bool_bf has_been_visible : 1;
 608
 609   /* Xt waits for a ConfigureNotify event from the window manager in
 610      EmacsFrameSetCharSize when the shell widget is resized.  For some
 611      window managers like fvwm2 2.2.5 and KDE 2.1 this event doesn't
 612      arrive for an unknown reason and Emacs hangs in Xt.  If this is
 613      false, tell Xt not to wait.  */
 614   bool_bf wait_for_wm : 1;
 615
 616   /* True if _NET_WM_STATE_HIDDEN is set for this frame.  */
 617   bool_bf net_wm_state_hidden_seen : 1;
 618
 619 #ifdef HAVE_X_I18N
 620   /* Input context (currently, this means Compose key handler setup).  */
 621   XIC xic;
 622   XIMStyle xic_style;
 623   XFontSet xic_xfs;
 624 #endif
 625
 626   /* Relief GCs, colors etc.  */
 627   struct relief
 628   {
 629     GC gc;
 630     unsigned long pixel;
 631   }
 632   black_relief, white_relief;
 633
 634   /* The background for which the above relief GCs were set up.
 635      They are changed only when a different background is involved.  */
 636   unsigned long relief_background;
 637
 638   /* As x_pixels_diff, but to FRAME_OUTER_WINDOW.  For some reason the
 639      two might differ by a pixel, depending on WM */
 640   int x_pixels_outer_diff;
 641
 642   /* As y_pixels_diff, but to FRAME_OUTER_WINDOW.  In the toolkit version,
 643      these may differ because this does not take into account possible
 644      menubar.  y_pixels_diff is with menubar height included */
 645   int y_pixels_outer_diff;
 646
 647   /* Keep track of focus.  May be EXPLICIT if we received a FocusIn for this
 648      frame, or IMPLICIT if we received an EnterNotify.
 649      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 650   int focus_state;
 651
 652   /* The offset we need to add to compensate for type A WMs.  */
 653   int move_offset_top;
 654   int move_offset_left;
 655 };
 656
 657 /* Extreme 'short' and 'long' values suitable for libX11.  */
 658 #define X_SHRT_MAX 0x7fff
 659 #define X_SHRT_MIN (-1 - X_SHRT_MAX)
 660 #define X_LONG_MAX 0x7fffffff
 661 #define X_LONG_MIN (-1 - X_LONG_MAX)
 662 #define X_ULONG_MAX 0xffffffffUL
 663
 664 #define No_Cursor (None)
 665
 666 enum
 667 {
 668   /* Values for focus_state, used as bit mask.
 669      EXPLICIT means we received a FocusIn for the frame and know it has
 670      the focus.  IMPLICIT means we received an EnterNotify and the frame
 671      may have the focus if no window manager is running.
 672      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 673   FOCUS_NONE     = 0,
 674   FOCUS_IMPLICIT = 1,
 675   FOCUS_EXPLICIT = 2
 676 };
 677
 678
 679 /* Return the X output data for frame F.  */
 680 #define FRAME_X_OUTPUT(f) ((f)->output_data.x)
 681
 682 /* Return the X window used for displaying data in frame F.  */
 683 #define FRAME_X_WINDOW(f) ((f)->output_data.x->window_desc)
 684
 685 /* Return the outermost X window associated with the frame F.  */
 686 #ifdef USE_X_TOOLKIT
 687 #define FRAME_OUTER_WINDOW(f) ((f)->output_data.x->widget ?             \
 688                                XtWindow ((f)->output_data.x->widget) :  \
 689                                FRAME_X_WINDOW (f))
 690 #else
 691 #ifdef USE_GTK
 692 /* Functions not present in older Gtk+ */
 693
 694 #ifndef HAVE_GTK_WIDGET_GET_WINDOW
 695 #define gtk_widget_get_window(w) ((w)->window)
 696 #endif
 697 #ifndef HAVE_GTK_WIDGET_GET_MAPPED
 698 #define gtk_widget_get_mapped(w) (GTK_WIDGET_MAPPED (w))
 699 #endif
 700 #ifndef HAVE_GTK_ADJUSTMENT_GET_PAGE_SIZE
 701 #define gtk_adjustment_get_page_size(w) ((w)->page_size)
 702 #define gtk_adjustment_get_upper(w) ((w)->upper)
 703 #endif
 704
 705 #ifdef HAVE_GTK3
 706 #define DEFAULT_GDK_DISPLAY() \
 707   gdk_x11_display_get_xdisplay (gdk_display_get_default ())
 708 #else
 709 #undef GDK_WINDOW_XID
 710 #define GDK_WINDOW_XID(w) GDK_WINDOW_XWINDOW (w)
 711 #define DEFAULT_GDK_DISPLAY() GDK_DISPLAY ()
 712 #define gtk_widget_get_preferred_size(a, ign, b) \
 713   gtk_widget_size_request (a, b)
 714 #endif
 715
 716 #define GTK_WIDGET_TO_X_WIN(w) \
 717   ((w) && gtk_widget_get_window (w) \
 718    ? GDK_WINDOW_XID (gtk_widget_get_window (w)) : 0)
 719
 720 #define FRAME_GTK_OUTER_WIDGET(f) ((f)->output_data.x->widget)
 721 #define FRAME_GTK_WIDGET(f) ((f)->output_data.x->edit_widget)
 722 #define FRAME_OUTER_WINDOW(f)                                   \
 723        (FRAME_GTK_OUTER_WIDGET (f) ?                            \
 724         GTK_WIDGET_TO_X_WIN (FRAME_GTK_OUTER_WIDGET (f)) :      \
 725          FRAME_X_WINDOW (f))
 726
 727 #else /* !USE_GTK */
 728 #define FRAME_OUTER_WINDOW(f) (FRAME_X_WINDOW (f))
 729 #endif /* !USE_GTK */
 730 #endif
 731
 732 #if defined (USE_X_TOOLKIT) || defined (USE_GTK)
 733 #define FRAME_MENUBAR_HEIGHT(f) ((f)->output_data.x->menubar_height)
 734 #else
 735 #define FRAME_MENUBAR_HEIGHT(f) ((void) f, 0)
 736 #endif /* USE_X_TOOLKIT || USE_GTK */
 737
 738 #define FRAME_FONT(f) ((f)->output_data.x->font)
 739 #define FRAME_FONTSET(f) ((f)->output_data.x->fontset)
 740 #define FRAME_TOOLBAR_TOP_HEIGHT(f) ((f)->output_data.x->toolbar_top_height)
 741 #define FRAME_TOOLBAR_BOTTOM_HEIGHT(f) \
 742   ((f)->output_data.x->toolbar_bottom_height)
 743 #define FRAME_TOOLBAR_HEIGHT(f) \
 744   (FRAME_TOOLBAR_TOP_HEIGHT (f) + FRAME_TOOLBAR_BOTTOM_HEIGHT (f))
 745 #define FRAME_TOOLBAR_LEFT_WIDTH(f) ((f)->output_data.x->toolbar_left_width)
 746 #define FRAME_TOOLBAR_RIGHT_WIDTH(f) ((f)->output_data.x->toolbar_right_width)
 747 #define FRAME_TOOLBAR_WIDTH(f) \
 748   (FRAME_TOOLBAR_LEFT_WIDTH (f) + FRAME_TOOLBAR_RIGHT_WIDTH (f))
 749 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.x->baseline_offset)
 750
 751 /* This gives the x_display_info structure for the display F is on.  */
 752 #define FRAME_DISPLAY_INFO(f) ((f)->output_data.x->display_info)
 753
 754 /* This is the `Display *' which frame F is on.  */
 755 #define FRAME_X_DISPLAY(f) (FRAME_DISPLAY_INFO (f)->display)
 756
 757 /* This is the `Screen *' which frame F is on.  */
 758 #define FRAME_X_SCREEN(f) (FRAME_DISPLAY_INFO (f)->screen)
 759
 760 /* This is the screen index number of screen which frame F is on.  */
 761 #define FRAME_X_SCREEN_NUMBER(f) XScreenNumberOfScreen (FRAME_X_SCREEN (f))
 762
 763 /* This is the Visual which frame F is on.  */
 764 #define FRAME_X_VISUAL(f) FRAME_DISPLAY_INFO (f)->visual
 765
 766 /* This is the Colormap which frame F uses.  */
 767 #define FRAME_X_COLORMAP(f) FRAME_DISPLAY_INFO (f)->cmap
 768
 769 /* The difference in pixels between the top left corner of the
 770    Emacs window (including possible window manager decorations)
 771    and FRAME_X_WINDOW (f).  */
 772 #define FRAME_OUTER_TO_INNER_DIFF_X(f) \
 773      ((f)->output_data.x->x_pixels_outer_diff)
 774 #define FRAME_OUTER_TO_INNER_DIFF_Y(f)          \
 775      ((f)->output_data.x->y_pixels_outer_diff   \
 776       + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f))
 777
 778
 779 #define FRAME_XIC(f) ((f)->output_data.x->xic)
 780 #define FRAME_X_XIM(f) (FRAME_DISPLAY_INFO (f)->xim)
 781 #define FRAME_X_XIM_STYLES(f) (FRAME_DISPLAY_INFO (f)->xim_styles)
 782 #define FRAME_XIC_STYLE(f) ((f)->output_data.x->xic_style)
 783 #define FRAME_XIC_FONTSET(f) ((f)->output_data.x->xic_xfs)
 784
 785 /* X-specific scroll bar stuff.  */
 786
 787 /* We represent scroll bars as lisp vectors.  This allows us to place
 788    references to them in windows without worrying about whether we'll
 789    end up with windows referring to dead scroll bars; the garbage
 790    collector will free it when its time comes.
 791
 792    We use struct scroll_bar as a template for accessing fields of the
 793    vector.  */
 794
 795 struct scroll_bar
 796 {
 797   /* These fields are shared by all vectors.  */
 798   struct vectorlike_header header;
 799
 800   /* The window we're a scroll bar for.  */
 801   Lisp_Object window;
 802
 803   /* The next and previous in the chain of scroll bars in this frame.  */
 804   Lisp_Object next, prev;
 805
 806   /* Fields from `x_window' down will not be traced by the GC.  */
 807
 808   /* The X window representing this scroll bar.  */
 809   Window x_window;
 810
 811   /* The position and size of the scroll bar in pixels, relative to the
 812      frame.  */
 813   int top, left, width, height;
 814
 815   /* The starting and ending positions of the handle, relative to the
 816      handle area (i.e. zero is the top position, not
 817      SCROLL_BAR_TOP_BORDER).  If they're equal, that means the handle
 818      hasn't been drawn yet.
 819
 820      These are not actually the locations where the beginning and end
 821      are drawn; in order to keep handles from becoming invisible when
 822      editing large files, we establish a minimum height by always
 823      drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
 824      where they would be normally; the bottom and top are in a
 825      different co-ordinate system.  */
 826   int start, end;
 827
 828   /* If the scroll bar handle is currently being dragged by the user,
 829      this is the number of pixels from the top of the handle to the
 830      place where the user grabbed it.  If the handle isn't currently
 831      being dragged, this is -1.  */
 832   int dragging;
 833
 834 #if defined (USE_TOOLKIT_SCROLL_BARS) && defined (USE_LUCID)
 835   /* Last scroll bar part seen in xaw_jump_callback and xaw_scroll_callback.  */
 836   enum scroll_bar_part last_seen_part;
 837 #endif
 838
 839 #if defined (USE_TOOLKIT_SCROLL_BARS) && !defined (USE_GTK)
 840   /* Last value of whole for horizontal scrollbars.  */
 841   int whole;
 842 #endif
 843
 844   /* 1 if the scroll bar is horizontal.  */
 845   bool horizontal;
 846 };
 847
 848 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 849 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
 850
 851 #ifdef USE_X_TOOLKIT
 852
 853 /* Extract the X widget of the scroll bar from a struct scroll_bar.
 854    XtWindowToWidget should be fast enough since Xt uses a hash table
 855    to map windows to widgets.  */
 856
 857 #define SCROLL_BAR_X_WIDGET(dpy, ptr) \
 858   XtWindowToWidget (dpy, ptr->x_window)
 859
 860 /* Store a widget id in a struct scroll_bar.  */
 861
 862 #define SET_SCROLL_BAR_X_WIDGET(ptr, w)         \
 863   do {                                          \
 864     Window window = XtWindow (w);               \
 865     ptr->x_window = window;                     \
 866   } while (false)
 867
 868 #endif /* USE_X_TOOLKIT */
 869
 870 /* Return the inside width of a vertical scroll bar, given the outside
 871    width.  */
 872 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f, width) \
 873   ((width) \
 874    - VERTICAL_SCROLL_BAR_LEFT_BORDER \
 875    - VERTICAL_SCROLL_BAR_RIGHT_BORDER)
 876
 877 /* Return the length of the rectangle within which the top of the
 878    handle must stay.  This isn't equivalent to the inside height,
 879    because the scroll bar handle has a minimum height.
 880
 881    This is the real range of motion for the scroll bar, so when we're
 882    scaling buffer positions to scroll bar positions, we use this, not
 883    VERTICAL_SCROLL_BAR_INSIDE_HEIGHT.  */
 884 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f, height) \
 885   (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
 886
 887 /* Return the inside height of vertical scroll bar, given the outside
 888    height.  See VERTICAL_SCROLL_BAR_TOP_RANGE too.  */
 889 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f, height) \
 890   ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
 891
 892 /* Return the inside height of a horizontal scroll bar, given the outside
 893    height.  */
 894 #define HORIZONTAL_SCROLL_BAR_INSIDE_HEIGHT(f, height)  \
 895   ((height) \
 896    - HORIZONTAL_SCROLL_BAR_TOP_BORDER \
 897    - HORIZONTAL_SCROLL_BAR_BOTTOM_BORDER)
 898
 899 /* Return the length of the rectangle within which the left part of the
 900    handle must stay.  This isn't equivalent to the inside width, because
 901    the scroll bar handle has a minimum width.
 902
 903    This is the real range of motion for the scroll bar, so when we're
 904    scaling buffer positions to scroll bar positions, we use this, not
 905    HORIZONTAL_SCROLL_BAR_INSIDE_WIDTH.  */
 906 #define HORIZONTAL_SCROLL_BAR_LEFT_RANGE(f, width) \
 907   (HORIZONTAL_SCROLL_BAR_INSIDE_WIDTH (f, width) - HORIZONTAL_SCROLL_BAR_MIN_HANDLE)
 908
 909 /* Return the inside width of horizontal scroll bar, given the outside
 910    width.  See HORIZONTAL_SCROLL_BAR_LEFT_RANGE too.  */
 911 #define HORIZONTAL_SCROLL_BAR_INSIDE_WIDTH(f, width) \
 912   ((width) - HORIZONTAL_SCROLL_BAR_LEFT_BORDER - HORIZONTAL_SCROLL_BAR_LEFT_BORDER)
 913
 914
 915 /* Border widths for scroll bars.
 916
 917    Scroll bar windows don't have any X borders; their border width is
 918    set to zero, and we redraw borders ourselves.  This makes the code
 919    a bit cleaner, since we don't have to convert between outside width
 920    (used when relating to the rest of the screen) and inside width
 921    (used when sizing and drawing the scroll bar window itself).
 922
 923    The handle moves up and down/back and forth in a rectangle inset
 924    from the edges of the scroll bar.  These are widths by which we
 925    inset the handle boundaries from the scroll bar edges.  */
 926 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (2)
 927 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (2)
 928 #define VERTICAL_SCROLL_BAR_TOP_BORDER (2)
 929 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (2)
 930
 931 #define HORIZONTAL_SCROLL_BAR_LEFT_BORDER (2)
 932 #define HORIZONTAL_SCROLL_BAR_RIGHT_BORDER (2)
 933 #define HORIZONTAL_SCROLL_BAR_TOP_BORDER (2)
 934 #define HORIZONTAL_SCROLL_BAR_BOTTOM_BORDER (2)
 935
 936 /* Minimum lengths for scroll bar handles, in pixels.  */
 937 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (5)
 938 #define HORIZONTAL_SCROLL_BAR_MIN_HANDLE (5)
 939
 940 /* If a struct input_event has a kind which is SELECTION_REQUEST_EVENT
 941    or SELECTION_CLEAR_EVENT, then its contents are really described
 942    by this structure.  */
 943
 944 /* For an event of kind SELECTION_REQUEST_EVENT,
 945    this structure really describes the contents.  */
 946
 947 struct selection_input_event
 948 {
 949   int kind;
 950   struct x_display_info *dpyinfo;
 951   /* We spell it with an "o" here because X does.  */
 952   Window requestor;
 953   Atom selection, target, property;
 954   Time time;
 955 };
 956
 957 /* Unlike macros below, this can't be used as an lvalue.  */
 958 INLINE Display *
 959 SELECTION_EVENT_DISPLAY (struct input_event *ev)
 960 {
 961   return ((struct selection_input_event *) ev)->dpyinfo->display;
 962 }
 963 #define SELECTION_EVENT_DPYINFO(eventp) \
 964   (((struct selection_input_event *) (eventp))->dpyinfo)
 965 /* We spell it with an "o" here because X does.  */
 966 #define SELECTION_EVENT_REQUESTOR(eventp)       \
 967   (((struct selection_input_event *) (eventp))->requestor)
 968 #define SELECTION_EVENT_SELECTION(eventp)       \
 969   (((struct selection_input_event *) (eventp))->selection)
 970 #define SELECTION_EVENT_TARGET(eventp)  \
 971   (((struct selection_input_event *) (eventp))->target)
 972 #define SELECTION_EVENT_PROPERTY(eventp)        \
 973   (((struct selection_input_event *) (eventp))->property)
 974 #define SELECTION_EVENT_TIME(eventp)    \
 975   (((struct selection_input_event *) (eventp))->time)
 976
 977 /* From xfns.c.  */
 978
 979 extern void x_free_gcs (struct frame *);
 980 extern void x_relative_mouse_position (struct frame *, int *, int *);
 981
 982 /* From xrdb.c.  */
 983
 984 XrmDatabase x_load_resources (Display *, const char *, const char *,
 985                               const char *);
 986
 987 /* Defined in xterm.c */
 988
 989 extern int x_text_icon (struct frame *, const char *);
 990 extern void x_catch_errors (Display *);
 991 extern void x_check_errors (Display *, const char *)
 992   ATTRIBUTE_FORMAT_PRINTF (2, 0);
 993 extern bool x_had_errors_p (Display *);
 994 extern void x_uncatch_errors (void);
 995 extern void x_clear_errors (Display *);
 996 extern void xembed_request_focus (struct frame *);
 997 extern void x_ewmh_activate_frame (struct frame *);
 998 extern void x_delete_terminal (struct terminal *terminal);
 999 extern unsigned long x_copy_color (struct frame *, unsigned long);
1000 #ifdef USE_X_TOOLKIT
1001 extern XtAppContext Xt_app_con;
1002 extern void x_activate_timeout_atimer (void);
1003 #endif
1004 #ifdef USE_LUCID
1005 extern bool x_alloc_lighter_color_for_widget (Widget, Display *, Colormap,
1006                                               unsigned long *,
1007                                               double, int);
1008 #endif
1009 extern bool x_alloc_nearest_color (struct frame *, Colormap, XColor *);
1010 extern void x_clear_area (Display *, Window, int, int, int, int);
1011 #if !defined USE_X_TOOLKIT && !defined USE_GTK
1012 extern void x_mouse_leave (struct x_display_info *);
1013 #endif
1014
1015 #if defined USE_X_TOOLKIT || defined USE_MOTIF
1016 extern int x_dispatch_event (XEvent *, Display *);
1017 #endif
1018 extern int x_x_to_emacs_modifiers (struct x_display_info *, int);
1019
1020 INLINE int
1021 x_display_pixel_height (struct x_display_info *dpyinfo)
1022 {
1023   return HeightOfScreen (dpyinfo->screen);
1024 }
1025
1026 INLINE int
1027 x_display_pixel_width (struct x_display_info *dpyinfo)
1028 {
1029   return WidthOfScreen (dpyinfo->screen);
1030 }
1031
1032 INLINE void
1033 x_display_set_last_user_time (struct x_display_info *dpyinfo, Time t)
1034 {
1035 #ifdef ENABLE_CHECKING
1036   eassert (t <= X_ULONG_MAX);
1037 #endif
1038   dpyinfo->last_user_time = t;
1039 }
1040
1041 extern void x_set_sticky (struct frame *, Lisp_Object, Lisp_Object);
1042 extern void x_wait_for_event (struct frame *, int);
1043 extern void x_clear_under_internal_border (struct frame *f);
1044
1045 /* Defined in xselect.c.  */
1046
1047 extern void x_handle_property_notify (const XPropertyEvent *);
1048 extern void x_handle_selection_notify (const XSelectionEvent *);
1049 extern void x_handle_selection_event (struct input_event *);
1050 extern void x_clear_frame_selections (struct frame *);
1051
1052 extern void x_send_client_event (Lisp_Object display,
1053                                  Lisp_Object dest,
1054                                  Lisp_Object from,
1055                                  Atom message_type,
1056                                  Lisp_Object format,
1057                                  Lisp_Object values);
1058
1059 extern int x_handle_dnd_message (struct frame *,
1060                                  const XClientMessageEvent *,
1061                                  struct x_display_info *,
1062                                  struct input_event *);
1063 extern int x_check_property_data (Lisp_Object);
1064 extern void x_fill_property_data (Display *,
1065                                   Lisp_Object,
1066                                   void *,
1067                                   int);
1068 extern Lisp_Object x_property_data_to_lisp (struct frame *,
1069                                             const unsigned char *,
1070                                             Atom,
1071                                             int,
1072                                             unsigned long);
1073 extern void x_clipboard_manager_save_frame (Lisp_Object);
1074 extern void x_clipboard_manager_save_all (void);
1075
1076 #ifdef USE_GTK
1077 extern int xg_set_icon (struct frame *, Lisp_Object);
1078 extern int xg_set_icon_from_xpm_data (struct frame *, const char **);
1079 #endif /* USE_GTK */
1080
1081 extern void xic_free_xfontset (struct frame *);
1082 extern void create_frame_xic (struct frame *);
1083 extern void destroy_frame_xic (struct frame *);
1084 extern void xic_set_preeditarea (struct window *, int, int);
1085 extern void xic_set_statusarea (struct frame *);
1086 extern void xic_set_xfontset (struct frame *, const char *);
1087 extern bool x_defined_color (struct frame *, const char *, XColor *, bool);
1088 #ifdef HAVE_X_I18N
1089 extern void free_frame_xic (struct frame *);
1090 # if defined HAVE_X_WINDOWS && defined USE_X_TOOLKIT
1091 extern char * xic_create_fontsetname (const char *base_fontname, int motif);
1092 # endif
1093 #endif
1094
1095 /* Defined in xfaces.c */
1096
1097 #ifdef USE_X_TOOLKIT
1098 extern void x_free_dpy_colors (Display *, Screen *, Colormap,
1099                                unsigned long *, int);
1100 #endif /* USE_X_TOOLKIT */
1101
1102 /* Defined in xmenu.c */
1103
1104 #if defined USE_X_TOOLKIT || defined USE_GTK
1105 extern Lisp_Object xw_popup_dialog (struct frame *, Lisp_Object, Lisp_Object);
1106 #endif
1107
1108 #if defined USE_GTK || defined USE_MOTIF
1109 extern void x_menu_set_in_use (int);
1110 #endif
1111 extern void x_menu_wait_for_event (void *data);
1112 extern void initialize_frame_menubar (struct frame *);
1113
1114 /* Defined in xsmfns.c */
1115 #ifdef HAVE_X_SM
1116 extern void x_session_initialize (struct x_display_info *dpyinfo);
1117 extern int x_session_have_connection (void);
1118 extern void x_session_close (void);
1119 #endif
1120
1121 /* Defined in xterm.c */
1122
1123 extern Lisp_Object Qx_gtk_map_stock;
1124
1125 /* Is the frame embedded into another application? */
1126
1127 #define FRAME_X_EMBEDDED_P(f) (FRAME_X_OUTPUT(f)->explicit_parent != 0)
1128
1129 #define STORE_XCHAR2B(chp, b1, b2) \
1130   ((chp)->byte1 = (b1), (chp)->byte2 = (b2))
1131
1132 #define XCHAR2B_BYTE1(chp) \
1133   ((chp)->byte1)
1134
1135 #define XCHAR2B_BYTE2(chp) \
1136   ((chp)->byte2)
1137
1138 #define STORE_NATIVE_RECT(nr,rx,ry,rwidth,rheight)      \
1139   ((nr).x = (rx),                                       \
1140    (nr).y = (ry),                                       \
1141    (nr).width = (rwidth),                               \
1142    (nr).height = (rheight))
1143
1144 INLINE_HEADER_END
1145
1146 #endif /* XTERM_H */