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 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   /* True if tool bar is packed into the hbox widget (i.e. vertical).  */
 503   bool_bf toolbar_in_hbox : 1;
 504   bool_bf toolbar_is_packed : 1;
 505
 506   /* The last size hints set.  */
 507   GdkGeometry size_hints;
 508   long hint_flags;
 509
 510 #ifdef USE_GTK_TOOLTIP
 511   GtkTooltip *ttip_widget;
 512   GtkWidget *ttip_lbl;
 513   GtkWindow *ttip_window;
 514 #endif /* USE_GTK_TOOLTIP */
 515
 516 #endif /* USE_GTK */
 517
 518   /* If >=0, a bitmap index.  The indicated bitmap is used for the
 519      icon. */
 520   ptrdiff_t icon_bitmap;
 521
 522   /* Default ASCII font of this frame.  */
 523   struct font *font;
 524
 525   /* The baseline offset of the default ASCII font.  */
 526   int baseline_offset;
 527
 528   /* If a fontset is specified for this frame instead of font, this
 529      value contains an ID of the fontset, else -1.  */
 530   int fontset;
 531
 532   unsigned long cursor_pixel;
 533   unsigned long border_pixel;
 534   unsigned long mouse_pixel;
 535   unsigned long cursor_foreground_pixel;
 536
 537   /* Foreground color for scroll bars.  A value of -1 means use the
 538      default (black for non-toolkit scroll bars).  */
 539   unsigned long scroll_bar_foreground_pixel;
 540
 541   /* Background color for scroll bars.  A value of -1 means use the
 542      default (background color of the frame for non-toolkit scroll
 543      bars).  */
 544   unsigned long scroll_bar_background_pixel;
 545
 546 #if defined (USE_LUCID) && defined (USE_TOOLKIT_SCROLL_BARS)
 547   /* Top and bottom shadow colors for 3D Lucid scrollbars.
 548      -1 means let the scroll compute them itself.  */
 549   unsigned long scroll_bar_top_shadow_pixel;
 550   unsigned long scroll_bar_bottom_shadow_pixel;
 551 #endif
 552
 553   /* Descriptor for the cursor in use for this window.  */
 554   Cursor text_cursor;
 555   Cursor nontext_cursor;
 556   Cursor modeline_cursor;
 557   Cursor hand_cursor;
 558   Cursor hourglass_cursor;
 559   Cursor horizontal_drag_cursor;
 560   Cursor vertical_drag_cursor;
 561   Cursor current_cursor;
 562
 563   /* Window whose cursor is hourglass_cursor.  This window is temporarily
 564      mapped to display an hourglass cursor.  */
 565   Window hourglass_window;
 566
 567   /* These are the current window manager hints.  It seems that
 568      XSetWMHints, when presented with an unset bit in the `flags'
 569      member of the hints structure, does not leave the corresponding
 570      attribute unchanged; rather, it resets that attribute to its
 571      default value.  For example, unless you set the `icon_pixmap'
 572      field and the `IconPixmapHint' bit, XSetWMHints will forget what
 573      your icon pixmap was.  This is rather troublesome, since some of
 574      the members (for example, `input' and `icon_pixmap') want to stay
 575      the same throughout the execution of Emacs.  So, we keep this
 576      structure around, just leaving values in it and adding new bits
 577      to the mask as we go.  */
 578   XWMHints wm_hints;
 579
 580   /* This is the Emacs structure for the X display this frame is on.  */
 581   struct x_display_info *display_info;
 582
 583   /* This is a button event that wants to activate the menubar.
 584      We save it here until the command loop gets to think about it.  */
 585   XEvent *saved_menu_event;
 586
 587   /* This is the widget id used for this frame's menubar in lwlib.  */
 588 #ifdef USE_X_TOOLKIT
 589   int id;
 590 #endif
 591
 592   /* True means hourglass cursor is currently displayed.  */
 593   bool_bf hourglass_p : 1;
 594
 595   /* True means our parent is another application's window
 596      and was explicitly specified.  */
 597   bool_bf explicit_parent : 1;
 598
 599   /* True means tried already to make this frame visible.  */
 600   bool_bf asked_for_visible : 1;
 601
 602   /* True if this frame was ever previously visible.  */
 603   bool_bf has_been_visible : 1;
 604
 605   /* Xt waits for a ConfigureNotify event from the window manager in
 606      EmacsFrameSetCharSize when the shell widget is resized.  For some
 607      window managers like fvwm2 2.2.5 and KDE 2.1 this event doesn't
 608      arrive for an unknown reason and Emacs hangs in Xt.  If this is
 609      false, tell Xt not to wait.  */
 610   bool_bf wait_for_wm : 1;
 611
 612 #ifdef HAVE_X_I18N
 613   /* Input context (currently, this means Compose key handler setup).  */
 614   XIC xic;
 615   XIMStyle xic_style;
 616   XFontSet xic_xfs;
 617 #endif
 618
 619   /* Relief GCs, colors etc.  */
 620   struct relief
 621   {
 622     GC gc;
 623     unsigned long pixel;
 624   }
 625   black_relief, white_relief;
 626
 627   /* The background for which the above relief GCs were set up.
 628      They are changed only when a different background is involved.  */
 629   unsigned long relief_background;
 630
 631   /* As x_pixels_diff, but to FRAME_OUTER_WINDOW.  For some reason the
 632      two might differ by a pixel, depending on WM */
 633   int x_pixels_outer_diff;
 634
 635   /* As y_pixels_diff, but to FRAME_OUTER_WINDOW.  In the toolkit version,
 636      these may differ because this does not take into account possible
 637      menubar.  y_pixels_diff is with menubar height included */
 638   int y_pixels_outer_diff;
 639
 640   /* Keep track of focus.  May be EXPLICIT if we received a FocusIn for this
 641      frame, or IMPLICIT if we received an EnterNotify.
 642      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 643   int focus_state;
 644
 645   /* The offset we need to add to compensate for type A WMs.  */
 646   int move_offset_top;
 647   int move_offset_left;
 648 };
 649
 650 /* Extreme 'short' and 'long' values suitable for libX11.  */
 651 #define X_SHRT_MAX 0x7fff
 652 #define X_SHRT_MIN (-1 - X_SHRT_MAX)
 653 #define X_LONG_MAX 0x7fffffff
 654 #define X_LONG_MIN (-1 - X_LONG_MAX)
 655 #define X_ULONG_MAX 0xffffffffUL
 656
 657 #define No_Cursor (None)
 658
 659 enum
 660 {
 661   /* Values for focus_state, used as bit mask.
 662      EXPLICIT means we received a FocusIn for the frame and know it has
 663      the focus.  IMPLICIT means we received an EnterNotify and the frame
 664      may have the focus if no window manager is running.
 665      FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
 666   FOCUS_NONE     = 0,
 667   FOCUS_IMPLICIT = 1,
 668   FOCUS_EXPLICIT = 2
 669 };
 670
 671
 672 /* Return the X output data for frame F.  */
 673 #define FRAME_X_OUTPUT(f) ((f)->output_data.x)
 674
 675 /* Return the X window used for displaying data in frame F.  */
 676 #define FRAME_X_WINDOW(f) ((f)->output_data.x->window_desc)
 677
 678 /* Return the outermost X window associated with the frame F.  */
 679 #ifdef USE_X_TOOLKIT
 680 #define FRAME_OUTER_WINDOW(f) ((f)->output_data.x->widget ?             \
 681                                XtWindow ((f)->output_data.x->widget) :  \
 682                                FRAME_X_WINDOW (f))
 683 #else
 684 #ifdef USE_GTK
 685 /* Functions not present in older Gtk+ */
 686
 687 #ifndef HAVE_GTK_WIDGET_GET_WINDOW
 688 #define gtk_widget_get_window(w) ((w)->window)
 689 #endif
 690 #ifndef HAVE_GTK_WIDGET_GET_MAPPED
 691 #define gtk_widget_get_mapped(w) (GTK_WIDGET_MAPPED (w))
 692 #endif
 693 #ifndef HAVE_GTK_ADJUSTMENT_GET_PAGE_SIZE
 694 #define gtk_adjustment_get_page_size(w) ((w)->page_size)
 695 #define gtk_adjustment_get_upper(w) ((w)->upper)
 696 #endif
 697
 698 #ifdef HAVE_GTK3
 699 #define DEFAULT_GDK_DISPLAY() \
 700   gdk_x11_display_get_xdisplay (gdk_display_get_default ())
 701 #else
 702 #undef GDK_WINDOW_XID
 703 #define GDK_WINDOW_XID(w) GDK_WINDOW_XWINDOW (w)
 704 #define DEFAULT_GDK_DISPLAY() GDK_DISPLAY ()
 705 #define gtk_widget_get_preferred_size(a, ign, b) \
 706   gtk_widget_size_request (a, b)
 707 #endif
 708
 709 #define GTK_WIDGET_TO_X_WIN(w) \
 710   ((w) && gtk_widget_get_window (w) \
 711    ? GDK_WINDOW_XID (gtk_widget_get_window (w)) : 0)
 712
 713 #define FRAME_GTK_OUTER_WIDGET(f) ((f)->output_data.x->widget)
 714 #define FRAME_GTK_WIDGET(f) ((f)->output_data.x->edit_widget)
 715 #define FRAME_OUTER_WINDOW(f)                                   \
 716        (FRAME_GTK_OUTER_WIDGET (f) ?                            \
 717         GTK_WIDGET_TO_X_WIN (FRAME_GTK_OUTER_WIDGET (f)) :      \
 718          FRAME_X_WINDOW (f))
 719
 720 #else /* !USE_GTK */
 721 #define FRAME_OUTER_WINDOW(f) (FRAME_X_WINDOW (f))
 722 #endif /* !USE_GTK */
 723 #endif
 724
 725 #if defined (USE_X_TOOLKIT) || defined (USE_GTK)
 726 #define FRAME_MENUBAR_HEIGHT(f) ((f)->output_data.x->menubar_height)
 727 #else
 728 #define FRAME_MENUBAR_HEIGHT(f) ((void) f, 0)
 729 #endif /* USE_X_TOOLKIT || USE_GTK */
 730
 731 #define FRAME_FONT(f) ((f)->output_data.x->font)
 732 #define FRAME_FONTSET(f) ((f)->output_data.x->fontset)
 733 #define FRAME_TOOLBAR_TOP_HEIGHT(f) ((f)->output_data.x->toolbar_top_height)
 734 #define FRAME_TOOLBAR_BOTTOM_HEIGHT(f) \
 735   ((f)->output_data.x->toolbar_bottom_height)
 736 #define FRAME_TOOLBAR_HEIGHT(f) \
 737   (FRAME_TOOLBAR_TOP_HEIGHT (f) + FRAME_TOOLBAR_BOTTOM_HEIGHT (f))
 738 #define FRAME_TOOLBAR_LEFT_WIDTH(f) ((f)->output_data.x->toolbar_left_width)
 739 #define FRAME_TOOLBAR_RIGHT_WIDTH(f) ((f)->output_data.x->toolbar_right_width)
 740 #define FRAME_TOOLBAR_WIDTH(f) \
 741   (FRAME_TOOLBAR_LEFT_WIDTH (f) + FRAME_TOOLBAR_RIGHT_WIDTH (f))
 742 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.x->baseline_offset)
 743
 744 /* This gives the x_display_info structure for the display F is on.  */
 745 #define FRAME_DISPLAY_INFO(f) ((f)->output_data.x->display_info)
 746
 747 /* This is the `Display *' which frame F is on.  */
 748 #define FRAME_X_DISPLAY(f) (FRAME_DISPLAY_INFO (f)->display)
 749
 750 /* This is the `Screen *' which frame F is on.  */
 751 #define FRAME_X_SCREEN(f) (FRAME_DISPLAY_INFO (f)->screen)
 752
 753 /* This is the screen index number of screen which frame F is on.  */
 754 #define FRAME_X_SCREEN_NUMBER(f) XScreenNumberOfScreen (FRAME_X_SCREEN (f))
 755
 756 /* This is the Visual which frame F is on.  */
 757 #define FRAME_X_VISUAL(f) FRAME_DISPLAY_INFO (f)->visual
 758
 759 /* This is the Colormap which frame F uses.  */
 760 #define FRAME_X_COLORMAP(f) FRAME_DISPLAY_INFO (f)->cmap
 761
 762 /* The difference in pixels between the top left corner of the
 763    Emacs window (including possible window manager decorations)
 764    and FRAME_X_WINDOW (f).  */
 765 #define FRAME_OUTER_TO_INNER_DIFF_X(f) \
 766      ((f)->output_data.x->x_pixels_outer_diff)
 767 #define FRAME_OUTER_TO_INNER_DIFF_Y(f)          \
 768      ((f)->output_data.x->y_pixels_outer_diff   \
 769       + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f))
 770
 771
 772 #define FRAME_XIC(f) ((f)->output_data.x->xic)
 773 #define FRAME_X_XIM(f) (FRAME_DISPLAY_INFO (f)->xim)
 774 #define FRAME_X_XIM_STYLES(f) (FRAME_DISPLAY_INFO (f)->xim_styles)
 775 #define FRAME_XIC_STYLE(f) ((f)->output_data.x->xic_style)
 776 #define FRAME_XIC_FONTSET(f) ((f)->output_data.x->xic_xfs)
 777
 778 /* X-specific scroll bar stuff.  */
 779
 780 /* We represent scroll bars as lisp vectors.  This allows us to place
 781    references to them in windows without worrying about whether we'll
 782    end up with windows referring to dead scroll bars; the garbage
 783    collector will free it when its time comes.
 784
 785    We use struct scroll_bar as a template for accessing fields of the
 786    vector.  */
 787
 788 struct scroll_bar
 789 {
 790   /* These fields are shared by all vectors.  */
 791   struct vectorlike_header header;
 792
 793   /* The window we're a scroll bar for.  */
 794   Lisp_Object window;
 795
 796   /* The next and previous in the chain of scroll bars in this frame.  */
 797   Lisp_Object next, prev;
 798
 799   /* Fields from `x_window' down will not be traced by the GC.  */
 800
 801   /* The X window representing this scroll bar.  */
 802   Window x_window;
 803
 804   /* The position and size of the scroll bar in pixels, relative to the
 805      frame.  */
 806   int top, left, width, height;
 807
 808   /* The starting and ending positions of the handle, relative to the
 809      handle area (i.e. zero is the top position, not
 810      SCROLL_BAR_TOP_BORDER).  If they're equal, that means the handle
 811      hasn't been drawn yet.
 812
 813      These are not actually the locations where the beginning and end
 814      are drawn; in order to keep handles from becoming invisible when
 815      editing large files, we establish a minimum height by always
 816      drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
 817      where they would be normally; the bottom and top are in a
 818      different co-ordinate system.  */
 819   int start, end;
 820
 821   /* If the scroll bar handle is currently being dragged by the user,
 822      this is the number of pixels from the top of the handle to the
 823      place where the user grabbed it.  If the handle isn't currently
 824      being dragged, this is -1.  */
 825   int dragging;
 826
 827 #if defined (USE_TOOLKIT_SCROLL_BARS) && defined (USE_LUCID)
 828   /* Last scroll bar part seen in xaw_jump_callback and xaw_scroll_callback.  */
 829   enum scroll_bar_part last_seen_part;
 830 #endif
 831
 832 #if defined (USE_TOOLKIT_SCROLL_BARS) && !defined (USE_GTK)
 833   /* Last value of whole for horizontal scrollbars.  */
 834   int whole;
 835 #endif
 836
 837   /* True if the scroll bar is horizontal.  */
 838   bool horizontal;
 839 };
 840
 841 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 842 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
 843
 844 #ifdef USE_X_TOOLKIT
 845
 846 /* Extract the X widget of the scroll bar from a struct scroll_bar.
 847    XtWindowToWidget should be fast enough since Xt uses a hash table
 848    to map windows to widgets.  */
 849
 850 #define SCROLL_BAR_X_WIDGET(dpy, ptr) \
 851   XtWindowToWidget (dpy, ptr->x_window)
 852
 853 /* Store a widget id in a struct scroll_bar.  */
 854
 855 #define SET_SCROLL_BAR_X_WIDGET(ptr, w)         \
 856   do {                                          \
 857     Window window = XtWindow (w);               \
 858     ptr->x_window = window;                     \
 859   } while (false)
 860
 861 #endif /* USE_X_TOOLKIT */
 862
 863 /* Return the inside width of a vertical scroll bar, given the outside
 864    width.  */
 865 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f, width) \
 866   ((width) \
 867    - VERTICAL_SCROLL_BAR_LEFT_BORDER \
 868    - VERTICAL_SCROLL_BAR_RIGHT_BORDER)
 869
 870 /* Return the length of the rectangle within which the top of the
 871    handle must stay.  This isn't equivalent to the inside height,
 872    because the scroll bar handle has a minimum height.
 873
 874    This is the real range of motion for the scroll bar, so when we're
 875    scaling buffer positions to scroll bar positions, we use this, not
 876    VERTICAL_SCROLL_BAR_INSIDE_HEIGHT.  */
 877 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f, height) \
 878   (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
 879
 880 /* Return the inside height of vertical scroll bar, given the outside
 881    height.  See VERTICAL_SCROLL_BAR_TOP_RANGE too.  */
 882 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f, height) \
 883   ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
 884
 885 /* Return the inside height of a horizontal scroll bar, given the outside
 886    height.  */
 887 #define HORIZONTAL_SCROLL_BAR_INSIDE_HEIGHT(f, height)  \
 888   ((height) \
 889    - HORIZONTAL_SCROLL_BAR_TOP_BORDER \
 890    - HORIZONTAL_SCROLL_BAR_BOTTOM_BORDER)
 891
 892 /* Return the length of the rectangle within which the left part of the
 893    handle must stay.  This isn't equivalent to the inside width, because
 894    the scroll bar handle has a minimum width.
 895
 896    This is the real range of motion for the scroll bar, so when we're
 897    scaling buffer positions to scroll bar positions, we use this, not
 898    HORIZONTAL_SCROLL_BAR_INSIDE_WIDTH.  */
 899 #define HORIZONTAL_SCROLL_BAR_LEFT_RANGE(f, width) \
 900   (HORIZONTAL_SCROLL_BAR_INSIDE_WIDTH (f, width) - HORIZONTAL_SCROLL_BAR_MIN_HANDLE)
 901
 902 /* Return the inside width of horizontal scroll bar, given the outside
 903    width.  See HORIZONTAL_SCROLL_BAR_LEFT_RANGE too.  */
 904 #define HORIZONTAL_SCROLL_BAR_INSIDE_WIDTH(f, width) \
 905   ((width) - HORIZONTAL_SCROLL_BAR_LEFT_BORDER - HORIZONTAL_SCROLL_BAR_LEFT_BORDER)
 906
 907
 908 /* Border widths for scroll bars.
 909
 910    Scroll bar windows don't have any X borders; their border width is
 911    set to zero, and we redraw borders ourselves.  This makes the code
 912    a bit cleaner, since we don't have to convert between outside width
 913    (used when relating to the rest of the screen) and inside width
 914    (used when sizing and drawing the scroll bar window itself).
 915
 916    The handle moves up and down/back and forth in a rectangle inset
 917    from the edges of the scroll bar.  These are widths by which we
 918    inset the handle boundaries from the scroll bar edges.  */
 919 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (2)
 920 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (2)
 921 #define VERTICAL_SCROLL_BAR_TOP_BORDER (2)
 922 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (2)
 923
 924 #define HORIZONTAL_SCROLL_BAR_LEFT_BORDER (2)
 925 #define HORIZONTAL_SCROLL_BAR_RIGHT_BORDER (2)
 926 #define HORIZONTAL_SCROLL_BAR_TOP_BORDER (2)
 927 #define HORIZONTAL_SCROLL_BAR_BOTTOM_BORDER (2)
 928
 929 /* Minimum lengths for scroll bar handles, in pixels.  */
 930 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (5)
 931 #define HORIZONTAL_SCROLL_BAR_MIN_HANDLE (5)
 932
 933 /* If a struct input_event has a kind which is SELECTION_REQUEST_EVENT
 934    or SELECTION_CLEAR_EVENT, then its contents are really described
 935    by this structure.  */
 936
 937 /* For an event of kind SELECTION_REQUEST_EVENT,
 938    this structure really describes the contents.  */
 939
 940 struct selection_input_event
 941 {
 942   int kind;
 943   struct x_display_info *dpyinfo;
 944   /* We spell it with an "o" here because X does.  */
 945   Window requestor;
 946   Atom selection, target, property;
 947   Time time;
 948 };
 949
 950 /* Unlike macros below, this can't be used as an lvalue.  */
 951 INLINE Display *
 952 SELECTION_EVENT_DISPLAY (struct input_event *ev)
 953 {
 954   return ((struct selection_input_event *) ev)->dpyinfo->display;
 955 }
 956 #define SELECTION_EVENT_DPYINFO(eventp) \
 957   (((struct selection_input_event *) (eventp))->dpyinfo)
 958 /* We spell it with an "o" here because X does.  */
 959 #define SELECTION_EVENT_REQUESTOR(eventp)       \
 960   (((struct selection_input_event *) (eventp))->requestor)
 961 #define SELECTION_EVENT_SELECTION(eventp)       \
 962   (((struct selection_input_event *) (eventp))->selection)
 963 #define SELECTION_EVENT_TARGET(eventp)  \
 964   (((struct selection_input_event *) (eventp))->target)
 965 #define SELECTION_EVENT_PROPERTY(eventp)        \
 966   (((struct selection_input_event *) (eventp))->property)
 967 #define SELECTION_EVENT_TIME(eventp)    \
 968   (((struct selection_input_event *) (eventp))->time)
 969
 970 /* From xfns.c.  */
 971
 972 extern void x_free_gcs (struct frame *);
 973 extern void x_relative_mouse_position (struct frame *, int *, int *);
 974
 975 /* From xrdb.c.  */
 976
 977 XrmDatabase x_load_resources (Display *, const char *, const char *,
 978                               const char *);
 979
 980 /* Defined in xterm.c */
 981
 982 extern bool x_text_icon (struct frame *, const char *);
 983 extern void x_catch_errors (Display *);
 984 extern void x_check_errors (Display *, const char *)
 985   ATTRIBUTE_FORMAT_PRINTF (2, 0);
 986 extern bool x_had_errors_p (Display *);
 987 extern void x_uncatch_errors (void);
 988 extern void x_clear_errors (Display *);
 989 extern void xembed_request_focus (struct frame *);
 990 extern void x_ewmh_activate_frame (struct frame *);
 991 extern void x_delete_terminal (struct terminal *terminal);
 992 extern unsigned long x_copy_color (struct frame *, unsigned long);
 993 #ifdef USE_X_TOOLKIT
 994 extern XtAppContext Xt_app_con;
 995 extern void x_activate_timeout_atimer (void);
 996 #endif
 997 #ifdef USE_LUCID
 998 extern bool x_alloc_lighter_color_for_widget (Widget, Display *, Colormap,
 999                                               unsigned long *,
1000                                               double, int);
1001 #endif
1002 extern bool x_alloc_nearest_color (struct frame *, Colormap, XColor *);
1003 extern void x_clear_area (Display *, Window, int, int, int, int);
1004 #if !defined USE_X_TOOLKIT && !defined USE_GTK
1005 extern void x_mouse_leave (struct x_display_info *);
1006 #endif
1007
1008 #if defined USE_X_TOOLKIT || defined USE_MOTIF
1009 extern int x_dispatch_event (XEvent *, Display *);
1010 #endif
1011 extern int x_x_to_emacs_modifiers (struct x_display_info *, int);
1012
1013 INLINE int
1014 x_display_pixel_height (struct x_display_info *dpyinfo)
1015 {
1016   return HeightOfScreen (dpyinfo->screen);
1017 }
1018
1019 INLINE int
1020 x_display_pixel_width (struct x_display_info *dpyinfo)
1021 {
1022   return WidthOfScreen (dpyinfo->screen);
1023 }
1024
1025 INLINE void
1026 x_display_set_last_user_time (struct x_display_info *dpyinfo, Time t)
1027 {
1028 #ifdef ENABLE_CHECKING
1029   eassert (t <= X_ULONG_MAX);
1030 #endif
1031   dpyinfo->last_user_time = t;
1032 }
1033
1034 extern void x_set_sticky (struct frame *, Lisp_Object, Lisp_Object);
1035 extern void x_wait_for_event (struct frame *, int);
1036 extern void x_clear_under_internal_border (struct frame *f);
1037
1038 /* Defined in xselect.c.  */
1039
1040 extern void x_handle_property_notify (const XPropertyEvent *);
1041 extern void x_handle_selection_notify (const XSelectionEvent *);
1042 extern void x_handle_selection_event (struct input_event *);
1043 extern void x_clear_frame_selections (struct frame *);
1044
1045 extern void x_send_client_event (Lisp_Object display,
1046                                  Lisp_Object dest,
1047                                  Lisp_Object from,
1048                                  Atom message_type,
1049                                  Lisp_Object format,
1050                                  Lisp_Object values);
1051
1052 extern bool x_handle_dnd_message (struct frame *,
1053                                   const XClientMessageEvent *,
1054                                   struct x_display_info *,
1055                                   struct input_event *);
1056 extern int x_check_property_data (Lisp_Object);
1057 extern void x_fill_property_data (Display *,
1058                                   Lisp_Object,
1059                                   void *,
1060                                   int);
1061 extern Lisp_Object x_property_data_to_lisp (struct frame *,
1062                                             const unsigned char *,
1063                                             Atom,
1064                                             int,
1065                                             unsigned long);
1066 extern void x_clipboard_manager_save_frame (Lisp_Object);
1067 extern void x_clipboard_manager_save_all (void);
1068
1069 #ifdef USE_GTK
1070 extern bool xg_set_icon (struct frame *, Lisp_Object);
1071 extern bool xg_set_icon_from_xpm_data (struct frame *, const char **);
1072 #endif /* USE_GTK */
1073
1074 extern void xic_free_xfontset (struct frame *);
1075 extern void create_frame_xic (struct frame *);
1076 extern void destroy_frame_xic (struct frame *);
1077 extern void xic_set_preeditarea (struct window *, int, int);
1078 extern void xic_set_statusarea (struct frame *);
1079 extern void xic_set_xfontset (struct frame *, const char *);
1080 extern bool x_defined_color (struct frame *, const char *, XColor *, bool);
1081 #ifdef HAVE_X_I18N
1082 extern void free_frame_xic (struct frame *);
1083 # if defined HAVE_X_WINDOWS && defined USE_X_TOOLKIT
1084 extern char *xic_create_fontsetname (const char *, bool);
1085 # endif
1086 #endif
1087
1088 /* Defined in xfaces.c */
1089
1090 #ifdef USE_X_TOOLKIT
1091 extern void x_free_dpy_colors (Display *, Screen *, Colormap,
1092                                unsigned long *, int);
1093 #endif /* USE_X_TOOLKIT */
1094
1095 /* Defined in xmenu.c */
1096
1097 #if defined USE_X_TOOLKIT || defined USE_GTK
1098 extern Lisp_Object xw_popup_dialog (struct frame *, Lisp_Object, Lisp_Object);
1099 #endif
1100
1101 #if defined USE_GTK || defined USE_MOTIF
1102 extern void x_menu_set_in_use (bool);
1103 #endif
1104 extern void x_menu_wait_for_event (void *data);
1105 extern void initialize_frame_menubar (struct frame *);
1106
1107 /* Defined in xsmfns.c */
1108 #ifdef HAVE_X_SM
1109 extern void x_session_initialize (struct x_display_info *dpyinfo);
1110 extern bool x_session_have_connection (void);
1111 extern void x_session_close (void);
1112 #endif
1113
1114
1115 /* Is the frame embedded into another application? */
1116
1117 #define FRAME_X_EMBEDDED_P(f) (FRAME_X_OUTPUT(f)->explicit_parent != 0)
1118
1119 #define STORE_XCHAR2B(chp, b1, b2) \
1120   ((chp)->byte1 = (b1), (chp)->byte2 = (b2))
1121
1122 #define XCHAR2B_BYTE1(chp) \
1123   ((chp)->byte1)
1124
1125 #define XCHAR2B_BYTE2(chp) \
1126   ((chp)->byte2)
1127
1128 #define STORE_NATIVE_RECT(nr,rx,ry,rwidth,rheight)      \
1129   ((nr).x = (rx),                                       \
1130    (nr).y = (ry),                                       \
1131    (nr).width = (rwidth),                               \
1132    (nr).height = (rheight))
1133
1134 INLINE_HEADER_END
1135
1136 #endif /* XTERM_H */