1 /* Definitions and headers for communication with X protocol.
2 Copyright (C) 1989, 1993-1994, 1998-2013 Free Software Foundation,
5 This file is part of GNU Emacs.
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.
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.
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/>. */
24 #include <X11/cursorfont.h>
26 /* Include Xutil.h after keysym.h to work around a bug that prevents
27 correct recognition of AltGr key in some X versions. */
29 #include <X11/keysym.h>
30 #include <X11/Xutil.h>
32 #include <X11/Xatom.h>
33 #include <X11/Xresource.h>
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
41 #include <X11/StringDefs.h>
43 typedef Widget xt_or_gtk_widget
;
50 /* Some definitions to reduce conditionals. */
51 typedef GtkWidget
*xt_or_gtk_widget
;
52 #define XtParent(x) (gtk_widget_get_parent (x))
54 #define XSync(d, b) do { gdk_window_process_all_updates (); \
55 XSync (d, b); } while (0)
57 /* The GtkTooltip API came in 2.12, but gtk-enable-tooltips in 2.14. */
58 #if GTK_MAJOR_VERSION > 2 || GTK_MINOR_VERSION > 13
59 #define USE_GTK_TOOLTIP
65 /* Bookkeeping to distinguish X versions. */
69 #include <X11/Xlocale.h>
72 #define BLACK_PIX_DEFAULT(f) BlackPixel (FRAME_X_DISPLAY (f), \
73 XScreenNumberOfScreen (FRAME_X_SCREEN (f)))
74 #define WHITE_PIX_DEFAULT(f) WhitePixel (FRAME_X_DISPLAY (f), \
75 XScreenNumberOfScreen (FRAME_X_SCREEN (f)))
77 #define FONT_WIDTH(f) ((f)->max_width)
78 #define FONT_HEIGHT(f) ((f)->ascent + (f)->descent)
79 #define FONT_BASE(f) ((f)->ascent)
80 #define FONT_DESCENT(f) ((f)->descent)
82 /* The mask of events that text windows always want to receive. This
83 includes mouse movement events, since handling the mouse-font text property
84 means that we must track mouse motion all the time. */
86 #define STANDARD_EVENT_SET \
92 | StructureNotifyMask \
96 | VisibilityChangeMask)
99 /* Data structure passed to xim_instantiate_callback. */
102 struct x_display_info
*dpyinfo
;
105 #endif /* HAVE_X11R6_XIM */
107 /* Structure recording X pixmap and reference count.
108 If REFCOUNT is 0 then this record is free to be reused. */
110 struct x_bitmap_record
117 /* Record some info about this pixmap. */
118 int height
, width
, depth
;
121 /* For each X display, we have a structure that records
122 information about it. */
124 struct x_display_info
126 /* Chain of all x_display_info structures. */
127 struct x_display_info
*next
;
129 /* The generic display parameters corresponding to this X display. */
130 struct terminal
*terminal
;
132 /* Connection number (normally a file descriptor number). */
135 /* This says how to access this display in Xlib. */
138 /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
139 The same cons cell also appears in x_display_name_list. */
140 Lisp_Object name_list_element
;
142 /* Number of frames that are on this display. */
145 /* The Screen this connection is connected to. */
148 /* Dots per inch of the screen. */
151 /* The Visual being used for this display. */
154 /* The colormap being used. */
157 /* Number of planes on this screen. */
160 /* Mask of things that cause the mouse to be grabbed. */
163 /* Emacs bitmap-id of the default icon bitmap for this frame.
164 Or -1 if none has been allocated yet. */
165 ptrdiff_t icon_bitmap_id
;
167 /* The root window of this screen. */
170 /* Client leader window. */
171 Window client_leader_window
;
173 /* The cursor to use for vertical scroll bars. */
174 Cursor vertical_scroll_bar_cursor
;
176 /* The invisible cursor used for pointer blanking. */
177 Cursor invisible_cursor
;
180 /* The GDK cursor for scroll bars and popup menus. */
181 GdkCursor
*xg_cursor
;
184 /* X Resource data base */
187 /* Minimum width over all characters in all fonts in font_table. */
188 int smallest_char_width
;
190 /* Minimum font height over all fonts in font_table. */
191 int smallest_font_height
;
193 /* Reusable Graphics Context for drawing a cursor in a non-default face. */
194 GC scratch_cursor_gc
;
196 /* Information about the range of text currently shown in
198 Mouse_HLInfo mouse_highlight
;
202 /* The number of fonts opened for this display. */
205 /* Pointer to bitmap records. */
206 struct x_bitmap_record
*bitmaps
;
208 /* Allocated size of bitmaps field. */
209 ptrdiff_t bitmaps_size
;
211 /* Last used bitmap index. */
212 ptrdiff_t bitmaps_last
;
214 /* Which modifier keys are on which modifier bits?
216 With each keystroke, X returns eight bits indicating which modifier
217 keys were held down when the key was pressed. The interpretation
218 of the top five modifier bits depends on what keys are attached
219 to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5
222 meta_mod_mask is a mask containing the bits used for the meta key.
223 It may have more than one bit set, if more than one modifier bit
224 has meta keys on it. Basically, if EVENT is a KeyPress event,
225 the meta key is pressed if (EVENT.state & meta_mod_mask) != 0.
227 shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the
228 lock modifier bit, or zero otherwise. Non-alphabetic keys should
229 only be affected by the lock modifier bit if XK_Shift_Lock is in
230 use; XK_Caps_Lock should only affect alphabetic keys. With this
231 arrangement, the lock modifier should shift the character if
232 (EVENT.state & shift_lock_mask) != 0. */
233 int meta_mod_mask
, shift_lock_mask
;
235 /* These are like meta_mod_mask, but for different modifiers. */
236 int alt_mod_mask
, super_mod_mask
, hyper_mod_mask
;
238 /* Communication with window managers. */
239 Atom Xatom_wm_protocols
;
241 /* Kinds of protocol things we may receive. */
242 Atom Xatom_wm_take_focus
;
243 Atom Xatom_wm_save_yourself
;
244 Atom Xatom_wm_delete_window
;
246 /* Atom for indicating window state to the window manager. */
247 Atom Xatom_wm_change_state
;
249 /* Other WM communication */
250 Atom Xatom_wm_configure_denied
; /* When our config request is denied */
251 Atom Xatom_wm_window_moved
; /* When the WM moves us. */
252 Atom Xatom_wm_client_leader
; /* Id of client leader window. */
254 /* EditRes protocol */
257 /* More atoms, which are selection types. */
258 Atom Xatom_CLIPBOARD
, Xatom_TIMESTAMP
, Xatom_TEXT
, Xatom_DELETE
,
259 Xatom_COMPOUND_TEXT
, Xatom_UTF8_STRING
,
260 Xatom_MULTIPLE
, Xatom_INCR
, Xatom_EMACS_TMP
, Xatom_TARGETS
, Xatom_NULL
,
261 Xatom_ATOM
, Xatom_ATOM_PAIR
, Xatom_CLIPBOARD_MANAGER
;
263 /* More atoms for font properties. The last three are private
264 properties, see the comments in src/fontset.h. */
265 Atom Xatom_PIXEL_SIZE
, Xatom_AVERAGE_WIDTH
,
266 Xatom_MULE_BASELINE_OFFSET
, Xatom_MULE_RELATIVE_COMPOSE
,
267 Xatom_MULE_DEFAULT_ASCENT
;
269 /* More atoms for Ghostscript support. */
270 Atom Xatom_DONE
, Xatom_PAGE
;
272 /* Atom used in toolkit scroll bar client messages. */
273 Atom Xatom_Scrollbar
;
275 /* Atom used in XEmbed client messages. */
276 Atom Xatom_XEMBED
, Xatom_XEMBED_INFO
;
278 /* The frame (if any) which has the X window that has keyboard focus.
279 Zero if none. This is examined by Ffocus_frame in xfns.c. Note
280 that a mere EnterNotify event can set this; if you need to know the
281 last frame specified in a FocusIn or FocusOut event, use
282 x_focus_event_frame. */
283 struct frame
*x_focus_frame
;
285 /* The last frame mentioned in a FocusIn or FocusOut event. This is
286 separate from x_focus_frame, because whether or not LeaveNotify
287 events cause us to lose focus depends on whether or not we have
288 received a FocusIn event for it. */
289 struct frame
*x_focus_event_frame
;
291 /* The frame which currently has the visual highlight, and should get
292 keyboard input (other sorts of input have the frame encoded in the
293 event). It points to the X focus frame's selected window's
294 frame. It differs from x_focus_frame when we're using a global
296 struct frame
*x_highlight_frame
;
298 /* The gray pixmap. */
302 /* XIM (X Input method). */
304 XIMStyles
*xim_styles
;
305 struct xim_inst_t
*xim_callback_data
;
308 /* If non-null, a cache of the colors in the color map. Don't
309 use this directly, call x_color_cells instead. */
313 /* Bits and shifts to use to compose pixel values on TrueColor visuals. */
314 int red_bits
, blue_bits
, green_bits
;
315 int red_offset
, blue_offset
, green_offset
;
317 /* The type of window manager we have. If we move FRAME_OUTER_WINDOW
318 to x/y 0/0, some window managers (type A) puts the window manager
319 decorations outside the screen and FRAME_OUTER_WINDOW exactly at 0/0.
320 Other window managers (type B) puts the window including decorations
321 at 0/0, so FRAME_OUTER_WINDOW is a bit below 0/0.
322 Record the type of WM in use so we can compensate for type A WMs. */
331 /* Atoms that are drag and drop atoms */
333 ptrdiff_t x_dnd_atoms_size
;
334 ptrdiff_t x_dnd_atoms_length
;
336 /* Extended window manager hints, Atoms supported by the window manager and
337 atoms for setting the window type. */
338 Atom Xatom_net_supported
, Xatom_net_supporting_wm_check
;
339 Atom
*net_supported_atoms
;
340 int nr_net_supported_atoms
;
341 Window net_supported_window
;
342 Atom Xatom_net_window_type
, Xatom_net_window_type_tooltip
;
343 Atom Xatom_net_active_window
;
345 /* Atoms dealing with EWMH (i.e. _NET_...) */
346 Atom Xatom_net_wm_state
, Xatom_net_wm_state_fullscreen
,
347 Xatom_net_wm_state_maximized_horz
, Xatom_net_wm_state_maximized_vert
,
348 Xatom_net_wm_state_sticky
, Xatom_net_wm_state_hidden
,
349 Xatom_net_frame_extents
;
351 /* XSettings atoms and windows. */
352 Atom Xatom_xsettings_sel
, Xatom_xsettings_prop
, Xatom_xsettings_mgr
;
353 Window xsettings_window
;
355 /* Frame name and icon name */
356 Atom Xatom_net_wm_name
, Xatom_net_wm_icon_name
;
358 Atom Xatom_net_wm_window_opacity
;
361 Atom Xatom_SM_CLIENT_ID
;
365 /* Whether or not to use XIM if we have it. */
369 /* This checks to make sure we have a display. */
371 extern void check_x (void);
373 extern struct frame
*x_window_to_frame (struct x_display_info
*, int);
374 extern struct frame
*x_any_window_to_frame (struct x_display_info
*, int);
375 extern struct frame
*x_menubar_window_to_frame (struct x_display_info
*,
377 extern struct frame
*x_top_window_to_frame (struct x_display_info
*, int);
379 extern struct frame
*x_menubar_window_to_frame (struct x_display_info
*,
382 #if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK)
383 #define x_any_window_to_frame x_window_to_frame
384 #define x_top_window_to_frame x_window_to_frame
387 /* This is a chain of structures for all the X displays currently in use. */
388 extern struct x_display_info
*x_display_list
;
390 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
391 one for each element of x_display_list and in the same order.
392 NAME is the name of the frame.
393 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
394 extern Lisp_Object x_display_name_list
;
396 extern struct x_display_info
*x_display_info_for_display (Display
*);
398 extern struct x_display_info
*x_term_init (Lisp_Object
, char *, char *);
399 extern int x_display_ok (const char *);
401 extern void select_visual (struct x_display_info
*);
406 /* Each X frame object points to its own struct x_output object
407 in the output_data.x field. The x_output structure contains
408 the information that is specific to X windows. */
412 /* Height of menu bar widget, in pixels.
413 Zero if not using the X toolkit.
414 When using the toolkit, this value is not meaningful
415 if the menubar is turned off. */
418 /* Height of tool bar widget, in pixels. top_height is used if tool bar
419 at top, bottom_height if tool bar is at the bottom.
420 Zero if not using an external tool bar or if tool bar is vertical. */
421 int toolbar_top_height
, toolbar_bottom_height
;
423 /* Width of tool bar widget, in pixels. left_width is used if tool bar
424 at left, right_width if tool bar is at the right.
425 Zero if not using an external tool bar or if tool bar is horizontal. */
426 int toolbar_left_width
, toolbar_right_width
;
428 /* The tiled border used when the mouse is out of the frame. */
431 /* Here are the Graphics Contexts for the default font. */
432 GC normal_gc
; /* Normal video */
433 GC reverse_gc
; /* Reverse video */
434 GC cursor_gc
; /* cursor drawing */
436 /* The X window used for this frame.
437 May be zero while the frame object is being created
438 and the X window has not yet been created. */
441 /* The X window used for the bitmap icon;
442 or 0 if we don't have a bitmap icon. */
445 /* The X window that is the parent of this X window.
446 Usually this is a window that was made by the window manager,
447 but it can be the root window, and it can be explicitly specified
448 (see the explicit_parent field, below). */
452 /* The widget of this screen. This is the window of a "shell" widget. */
454 /* The XmPanedWindows... */
455 Widget column_widget
;
456 /* The widget of the edit portion of this screen; the window in
457 "window_desc" is inside of this. */
460 Widget menubar_widget
;
464 /* The widget of this screen. This is the window of a top widget. */
466 /* The widget of the edit portion of this screen; the window in
467 "window_desc" is inside of this. */
468 GtkWidget
*edit_widget
;
469 /* The widget used for laying out widgets vertically. */
470 GtkWidget
*vbox_widget
;
471 /* The widget used for laying out widgets horizontally. */
472 GtkWidget
*hbox_widget
;
473 /* The menubar in this frame. */
474 GtkWidget
*menubar_widget
;
475 /* The tool bar in this frame */
476 GtkWidget
*toolbar_widget
;
477 /* The handle box that makes the tool bar detachable. */
478 GtkWidget
*handlebox_widget
;
479 /* Non-zero if the tool bar is detached. */
480 int toolbar_detached
;
481 /* Non-zero if tool bar is packed into the hbox widget (i.e. vertical). */
484 /* The last size hints set. */
485 GdkGeometry size_hints
;
488 #ifdef USE_GTK_TOOLTIP
489 GtkTooltip
*ttip_widget
;
491 GtkWindow
*ttip_window
;
492 #endif /* USE_GTK_TOOLTIP */
496 /* If >=0, a bitmap index. The indicated bitmap is used for the
498 ptrdiff_t icon_bitmap
;
500 /* Default ASCII font of this frame. */
503 /* The baseline offset of the default ASCII font. */
506 /* If a fontset is specified for this frame instead of font, this
507 value contains an ID of the fontset, else -1. */
510 /* Pixel values used for various purposes.
511 border_pixel may be -1 meaning use a gray tile. */
512 #if 0 /* These are also defined in struct frame. Use that instead. */
513 unsigned long background_pixel
;
514 unsigned long foreground_pixel
;
516 unsigned long cursor_pixel
;
517 unsigned long border_pixel
;
518 unsigned long mouse_pixel
;
519 unsigned long cursor_foreground_pixel
;
521 /* Foreground color for scroll bars. A value of -1 means use the
522 default (black for non-toolkit scroll bars). */
523 unsigned long scroll_bar_foreground_pixel
;
525 /* Background color for scroll bars. A value of -1 means use the
526 default (background color of the frame for non-toolkit scroll
528 unsigned long scroll_bar_background_pixel
;
530 /* Top and bottom shadow colors for 3d toolkit scrollbars. -1 means
531 let the scroll compute them itself. */
532 unsigned long scroll_bar_top_shadow_pixel
;
533 unsigned long scroll_bar_bottom_shadow_pixel
;
535 /* Descriptor for the cursor in use for this window. */
537 Cursor nontext_cursor
;
538 Cursor modeline_cursor
;
540 Cursor hourglass_cursor
;
541 Cursor horizontal_drag_cursor
;
542 Cursor current_cursor
;
544 /* Window whose cursor is hourglass_cursor. This window is temporarily
545 mapped to display an hourglass cursor. */
546 Window hourglass_window
;
548 /* Non-zero means hourglass cursor is currently displayed. */
549 unsigned hourglass_p
: 1;
551 /* These are the current window manager hints. It seems that
552 XSetWMHints, when presented with an unset bit in the `flags'
553 member of the hints structure, does not leave the corresponding
554 attribute unchanged; rather, it resets that attribute to its
555 default value. For example, unless you set the `icon_pixmap'
556 field and the `IconPixmapHint' bit, XSetWMHints will forget what
557 your icon pixmap was. This is rather troublesome, since some of
558 the members (for example, `input' and `icon_pixmap') want to stay
559 the same throughout the execution of Emacs. So, we keep this
560 structure around, just leaving values in it and adding new bits
561 to the mask as we go. */
564 /* This is the Emacs structure for the X display this frame is on. */
565 struct x_display_info
*display_info
;
567 /* This is a button event that wants to activate the menubar.
568 We save it here until the command loop gets to think about it. */
569 XEvent
*saved_menu_event
;
571 /* This is the widget id used for this frame's menubar in lwlib. */
576 /* Nonzero means our parent is another application's window
577 and was explicitly specified. */
578 char explicit_parent
;
580 /* Nonzero means tried already to make this frame visible. */
581 char asked_for_visible
;
583 /* Nonzero if this frame was ever previously visible. */
584 char has_been_visible
;
587 /* Input context (currently, this means Compose key handler setup). */
591 char *xic_base_fontname
;
594 /* Relief GCs, colors etc. */
601 black_relief
, white_relief
;
603 /* The background for which the above relief GCs were set up.
604 They are changed only when a different background is involved. */
605 unsigned long relief_background
;
607 /* Xt waits for a ConfigureNotify event from the window manager in
608 EmacsFrameSetCharSize when the shell widget is resized. For some
609 window managers like fvwm2 2.2.5 and KDE 2.1 this event doesn't
610 arrive for an unknown reason and Emacs hangs in Xt. If this is
611 zero, tell Xt not to wait. */
614 /* As x_pixels_diff, but to FRAME_OUTER_WINDOW. For some reason the
615 two might differ by a pixel, depending on WM */
616 int x_pixels_outer_diff
;
618 /* As y_pixels_diff, but to FRAME_OUTER_WINDOW. In the toolkit version,
619 these may differ because this does not take into account possible
620 menubar. y_pixels_diff is with menubar height included */
621 int y_pixels_outer_diff
;
623 /* Keep track of focus. May be EXPLICIT if we received a FocusIn for this
624 frame, or IMPLICIT if we received an EnterNotify.
625 FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
628 /* The offset we need to add to compensate for type A WMs. */
630 int move_offset_left
;
632 /* The frame's left/top offsets before we call XMoveWindow. See
633 x_check_expected_move. */
634 int left_before_move
;
637 /* Non-zero if _NET_WM_STATE_HIDDEN is set for this frame. */
638 int net_wm_state_hidden_seen
;
641 #define No_Cursor (None)
645 /* Values for focus_state, used as bit mask.
646 EXPLICIT means we received a FocusIn for the frame and know it has
647 the focus. IMPLICIT means we received an EnterNotify and the frame
648 may have the focus if no window manager is running.
649 FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
656 /* Return the X output data for frame F. */
657 #define FRAME_X_OUTPUT(f) ((f)->output_data.x)
659 /* Return the X window used for displaying data in frame F. */
660 #define FRAME_X_WINDOW(f) ((f)->output_data.x->window_desc)
662 /* Return the outermost X window associated with the frame F. */
664 #define FRAME_OUTER_WINDOW(f) ((f)->output_data.x->widget ? \
665 XtWindow ((f)->output_data.x->widget) : \
669 /* Functions not present in older Gtk+ */
671 #ifndef HAVE_GTK_WIDGET_GET_WINDOW
672 #define gtk_widget_get_window(w) ((w)->window)
674 #ifndef HAVE_GTK_WIDGET_GET_MAPPED
675 #define gtk_widget_get_mapped(w) (GTK_WIDGET_MAPPED (w))
677 #ifndef HAVE_GTK_ADJUSTMENT_GET_PAGE_SIZE
678 #define gtk_adjustment_get_page_size(w) ((w)->page_size)
679 #define gtk_adjustment_get_upper(w) ((w)->upper)
683 #define DEFAULT_GDK_DISPLAY() \
684 gdk_x11_display_get_xdisplay (gdk_display_get_default ())
686 #undef GDK_WINDOW_XID
687 #define GDK_WINDOW_XID(w) GDK_WINDOW_XWINDOW (w)
688 #define DEFAULT_GDK_DISPLAY() GDK_DISPLAY ()
689 #define gtk_widget_get_preferred_size(a, ign, b) \
690 gtk_widget_size_request (a, b)
693 #define GTK_WIDGET_TO_X_WIN(w) \
694 ((w) && gtk_widget_get_window (w) \
695 ? GDK_WINDOW_XID (gtk_widget_get_window (w)) : 0)
697 #define FRAME_GTK_OUTER_WIDGET(f) ((f)->output_data.x->widget)
698 #define FRAME_GTK_WIDGET(f) ((f)->output_data.x->edit_widget)
699 #define FRAME_OUTER_WINDOW(f) \
700 (FRAME_GTK_OUTER_WIDGET (f) ? \
701 GTK_WIDGET_TO_X_WIN (FRAME_GTK_OUTER_WIDGET (f)) : \
705 #define FRAME_OUTER_WINDOW(f) (FRAME_X_WINDOW (f))
706 #endif /* !USE_GTK */
710 #define FRAME_FONT(f) ((f)->output_data.x->font)
711 #define FRAME_FONTSET(f) ((f)->output_data.x->fontset)
712 #define FRAME_MENUBAR_HEIGHT(f) ((f)->output_data.x->menubar_height)
713 #define FRAME_TOOLBAR_TOP_HEIGHT(f) ((f)->output_data.x->toolbar_top_height)
714 #define FRAME_TOOLBAR_BOTTOM_HEIGHT(f) \
715 ((f)->output_data.x->toolbar_bottom_height)
716 #define FRAME_TOOLBAR_HEIGHT(f) \
717 (FRAME_TOOLBAR_TOP_HEIGHT (f) + FRAME_TOOLBAR_BOTTOM_HEIGHT (f))
718 #define FRAME_TOOLBAR_LEFT_WIDTH(f) ((f)->output_data.x->toolbar_left_width)
719 #define FRAME_TOOLBAR_RIGHT_WIDTH(f) ((f)->output_data.x->toolbar_right_width)
720 #define FRAME_TOOLBAR_WIDTH(f) \
721 (FRAME_TOOLBAR_LEFT_WIDTH (f) + FRAME_TOOLBAR_RIGHT_WIDTH (f))
722 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.x->baseline_offset)
724 /* This gives the x_display_info structure for the display F is on. */
725 #define FRAME_X_DISPLAY_INFO(f) ((f)->output_data.x->display_info)
727 /* This is the `Display *' which frame F is on. */
728 #define FRAME_X_DISPLAY(f) (FRAME_X_DISPLAY_INFO (f)->display)
730 /* This is the `Screen *' which frame F is on. */
731 #define FRAME_X_SCREEN(f) (FRAME_X_DISPLAY_INFO (f)->screen)
732 #define FRAME_X_SCREEN_NUMBER(f) XScreenNumberOfScreen (FRAME_X_SCREEN (f))
734 /* This is the Visual which frame F is on. */
735 #define FRAME_X_VISUAL(f) FRAME_X_DISPLAY_INFO (f)->visual
737 /* This is the Colormap which frame F uses. */
738 #define FRAME_X_COLORMAP(f) FRAME_X_DISPLAY_INFO (f)->cmap
740 /* The difference in pixels between the top left corner of the
741 Emacs window (including possible window manager decorations)
742 and FRAME_X_WINDOW (f). */
743 #define FRAME_OUTER_TO_INNER_DIFF_X(f) \
744 ((f)->output_data.x->x_pixels_outer_diff)
745 #define FRAME_OUTER_TO_INNER_DIFF_Y(f) \
746 ((f)->output_data.x->y_pixels_outer_diff \
747 + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f))
750 #define FRAME_XIC(f) ((f)->output_data.x->xic)
751 #define FRAME_X_XIM(f) (FRAME_X_DISPLAY_INFO (f)->xim)
752 #define FRAME_X_XIM_STYLES(f) (FRAME_X_DISPLAY_INFO (f)->xim_styles)
753 #define FRAME_XIC_STYLE(f) ((f)->output_data.x->xic_style)
754 #define FRAME_XIC_FONTSET(f) ((f)->output_data.x->xic_xfs)
755 #define FRAME_XIC_BASE_FONTNAME(f) ((f)->output_data.x->xic_base_fontname)
757 /* Value is the smallest width of any character in any font on frame F. */
759 #define FRAME_SMALLEST_CHAR_WIDTH(F) \
760 FRAME_X_DISPLAY_INFO(F)->smallest_char_width
762 /* Value is the smallest height of any font on frame F. */
764 #define FRAME_SMALLEST_FONT_HEIGHT(F) \
765 FRAME_X_DISPLAY_INFO(F)->smallest_font_height
767 /* X-specific scroll bar stuff. */
769 /* We represent scroll bars as lisp vectors. This allows us to place
770 references to them in windows without worrying about whether we'll
771 end up with windows referring to dead scroll bars; the garbage
772 collector will free it when its time comes.
774 We use struct scroll_bar as a template for accessing fields of the
779 /* These fields are shared by all vectors. */
780 struct vectorlike_header header
;
782 /* The window we're a scroll bar for. */
785 /* The next and previous in the chain of scroll bars in this frame. */
786 Lisp_Object next
, prev
;
788 /* Fields from `x_window' down will not be traced by the GC. */
790 /* The X window representing this scroll bar. */
793 /* The position and size of the scroll bar in pixels, relative to the
795 int top
, left
, width
, height
;
797 /* The starting and ending positions of the handle, relative to the
798 handle area (i.e. zero is the top position, not
799 SCROLL_BAR_TOP_BORDER). If they're equal, that means the handle
800 hasn't been drawn yet.
802 These are not actually the locations where the beginning and end
803 are drawn; in order to keep handles from becoming invisible when
804 editing large files, we establish a minimum height by always
805 drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
806 where they would be normally; the bottom and top are in a
807 different co-ordinate system. */
810 /* If the scroll bar handle is currently being dragged by the user,
811 this is the number of pixels from the top of the handle to the
812 place where the user grabbed it. If the handle isn't currently
813 being dragged, this is Qnil. */
814 Lisp_Object dragging
;
816 /* 1 if the background of the fringe that is adjacent to a scroll
817 bar is extended to the gap between the fringe and the bar. */
818 unsigned int fringe_extended_p
: 1;
821 /* Turning a lisp vector value into a pointer to a struct scroll_bar. */
822 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
825 /* Extract the X widget of the scroll bar from a struct scroll_bar.
826 XtWindowToWidget should be fast enough since Xt uses a hash table
827 to map windows to widgets. */
829 #define SCROLL_BAR_X_WIDGET(dpy, ptr) \
830 XtWindowToWidget (dpy, ptr->x_window)
832 /* Store a widget id in a struct scroll_bar. */
834 #define SET_SCROLL_BAR_X_WIDGET(ptr, w) \
836 Window window = XtWindow (w); \
837 ptr->x_window = window; \
841 /* Return the inside width of a vertical scroll bar, given the outside
843 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f, width) \
845 - VERTICAL_SCROLL_BAR_LEFT_BORDER \
846 - VERTICAL_SCROLL_BAR_RIGHT_BORDER \
847 - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2)
849 /* Return the length of the rectangle within which the top of the
850 handle must stay. This isn't equivalent to the inside height,
851 because the scroll bar handle has a minimum height.
853 This is the real range of motion for the scroll bar, so when we're
854 scaling buffer positions to scroll bar positions, we use this, not
855 VERTICAL_SCROLL_BAR_INSIDE_HEIGHT. */
856 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f, height) \
857 (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
859 /* Return the inside height of vertical scroll bar, given the outside
860 height. See VERTICAL_SCROLL_BAR_TOP_RANGE too. */
861 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f, height) \
862 ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
865 /* Border widths for scroll bars.
867 Scroll bar windows don't have any X borders; their border width is
868 set to zero, and we redraw borders ourselves. This makes the code
869 a bit cleaner, since we don't have to convert between outside width
870 (used when relating to the rest of the screen) and inside width
871 (used when sizing and drawing the scroll bar window itself).
873 The handle moves up and down/back and forth in a rectangle inset
874 from the edges of the scroll bar. These are widths by which we
875 inset the handle boundaries from the scroll bar edges. */
876 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (2)
877 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (2)
878 #define VERTICAL_SCROLL_BAR_TOP_BORDER (2)
879 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (2)
881 /* Minimum lengths for scroll bar handles, in pixels. */
882 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (5)
884 /* Trimming off a few pixels from each side prevents
885 text from glomming up against the scroll bar */
886 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
889 /* If a struct input_event has a kind which is SELECTION_REQUEST_EVENT
890 or SELECTION_CLEAR_EVENT, then its contents are really described
891 by this structure. */
893 /* For an event of kind SELECTION_REQUEST_EVENT,
894 this structure really describes the contents.
895 **Don't make this struct longer!**
896 If it overlaps the frame_or_window field of struct input_event,
897 that will cause GC to crash. */
898 struct selection_input_event
902 /* We spell it with an "o" here because X does. */
904 Atom selection
, target
, property
;
908 #define SELECTION_EVENT_DISPLAY(eventp) \
909 (((struct selection_input_event *) (eventp))->display)
910 /* We spell it with an "o" here because X does. */
911 #define SELECTION_EVENT_REQUESTOR(eventp) \
912 (((struct selection_input_event *) (eventp))->requestor)
913 #define SELECTION_EVENT_SELECTION(eventp) \
914 (((struct selection_input_event *) (eventp))->selection)
915 #define SELECTION_EVENT_TARGET(eventp) \
916 (((struct selection_input_event *) (eventp))->target)
917 #define SELECTION_EVENT_PROPERTY(eventp) \
918 (((struct selection_input_event *) (eventp))->property)
919 #define SELECTION_EVENT_TIME(eventp) \
920 (((struct selection_input_event *) (eventp))->time)
930 /* From xselect.c. */
932 void x_handle_selection_notify (XSelectionEvent
*);
933 void x_handle_property_notify (XPropertyEvent
*);
937 struct frame
*check_x_frame (Lisp_Object
);
938 extern void x_free_gcs (struct frame
*);
942 XrmDatabase
x_load_resources (Display
*, const char *, const char *,
945 /* Defined in xterm.c */
947 extern int x_text_icon (struct frame
*, const char *);
948 extern void x_catch_errors (Display
*);
949 extern void x_check_errors (Display
*, const char *)
950 ATTRIBUTE_FORMAT_PRINTF (2, 0);
951 extern int x_had_errors_p (Display
*);
952 extern void x_uncatch_errors (void);
953 extern void x_clear_errors (Display
*);
954 extern void x_set_window_size (struct frame
*, int, int, int);
955 extern void x_set_mouse_position (struct frame
*, int, int);
956 extern void x_set_mouse_pixel_position (struct frame
*, int, int);
957 extern void xembed_request_focus (struct frame
*);
958 extern void x_ewmh_activate_frame (struct frame
*);
959 extern void x_delete_terminal (struct terminal
*terminal
);
960 extern unsigned long x_copy_color (struct frame
*, unsigned long);
962 extern XtAppContext Xt_app_con
;
963 extern void x_activate_timeout_atimer (void);
966 extern bool x_alloc_lighter_color_for_widget (Widget
, Display
*, Colormap
,
970 extern bool x_alloc_nearest_color (struct frame
*, Colormap
, XColor
*);
971 extern void x_query_color (struct frame
*f
, XColor
*);
972 extern void x_clear_area (Display
*, Window
, int, int, int, int, int);
973 #if defined HAVE_MENUS && !defined USE_X_TOOLKIT && !defined USE_GTK
974 extern void x_mouse_leave (struct x_display_info
*);
978 extern int x_dispatch_event (XEvent
*, Display
*);
980 extern int x_x_to_emacs_modifiers (struct x_display_info
*, int);
981 extern int x_display_pixel_height (struct x_display_info
*);
982 extern int x_display_pixel_width (struct x_display_info
*);
984 extern void x_set_sticky (struct frame
*, Lisp_Object
, Lisp_Object
);
985 extern void x_wait_for_event (struct frame
*, int);
987 /* Defined in xselect.c */
989 extern void x_handle_property_notify (XPropertyEvent
*);
990 extern void x_handle_selection_notify (XSelectionEvent
*);
991 extern void x_handle_selection_event (struct input_event
*);
992 extern void x_clear_frame_selections (struct frame
*);
994 extern void x_send_client_event (Lisp_Object display
,
1001 extern int x_handle_dnd_message (struct frame
*,
1002 XClientMessageEvent
*,
1003 struct x_display_info
*,
1004 struct input_event
*bufp
);
1005 extern int x_check_property_data (Lisp_Object
);
1006 extern void x_fill_property_data (Display
*,
1010 extern Lisp_Object
x_property_data_to_lisp (struct frame
*,
1011 const unsigned char *,
1015 extern void x_clipboard_manager_save_frame (Lisp_Object
);
1016 extern void x_clipboard_manager_save_all (void);
1018 /* Defined in xfns.c */
1020 extern struct x_display_info
* check_x_display_info (Lisp_Object
);
1021 extern Lisp_Object
x_get_focus_frame (struct frame
*);
1022 extern int x_in_use
;
1025 extern int xg_set_icon (struct frame
*, Lisp_Object
);
1026 extern int xg_set_icon_from_xpm_data (struct frame
*, const char**);
1027 #endif /* USE_GTK */
1029 extern void x_implicitly_set_name (struct frame
*, Lisp_Object
, Lisp_Object
);
1030 extern void xic_free_xfontset (struct frame
*);
1031 extern void create_frame_xic (struct frame
*);
1032 extern void destroy_frame_xic (struct frame
*);
1033 extern void xic_set_preeditarea (struct window
*, int, int);
1034 extern void xic_set_statusarea (struct frame
*);
1035 extern void xic_set_xfontset (struct frame
*, const char *);
1036 extern int x_pixel_width (struct frame
*);
1037 extern int x_pixel_height (struct frame
*);
1038 extern bool x_defined_color (struct frame
*, const char *, XColor
*, bool);
1040 extern void free_frame_xic (struct frame
*);
1041 # if defined HAVE_X_WINDOWS && defined USE_X_TOOLKIT
1042 extern char * xic_create_fontsetname (const char *base_fontname
, int motif
);
1046 /* Defined in xfaces.c */
1048 #ifdef USE_X_TOOLKIT
1049 extern void x_free_dpy_colors (Display
*, Screen
*, Colormap
,
1050 unsigned long *, int);
1051 #endif /* USE_X_TOOLKIT */
1053 /* Defined in xmenu.c */
1055 #if defined USE_GTK || defined USE_MOTIF
1056 extern void x_menu_set_in_use (int);
1059 extern void x_menu_wait_for_event (void *data
);
1061 extern int popup_activated (void);
1062 extern void initialize_frame_menubar (struct frame
*);
1064 /* Defined in widget.c */
1066 #ifdef USE_X_TOOLKIT
1067 extern void widget_store_internal_border (Widget
);
1070 /* Defined in xsmfns.c */
1072 extern void x_session_initialize (struct x_display_info
*dpyinfo
);
1073 extern int x_session_have_connection (void);
1074 extern void x_session_close (void);
1077 /* Defined in xterm.c */
1079 extern Lisp_Object Qx_gtk_map_stock
;
1081 /* Is the frame embedded into another application? */
1083 #define FRAME_X_EMBEDDED_P(f) (FRAME_X_OUTPUT(f)->explicit_parent != 0)
1086 #define FONT_TYPE_FOR_UNIBYTE(font, ch) 0
1087 #define FONT_TYPE_FOR_MULTIBYTE(font, ch) 0
1089 #define STORE_XCHAR2B(chp, b1, b2) \
1090 ((chp)->byte1 = (b1), (chp)->byte2 = (b2))
1092 #define XCHAR2B_BYTE1(chp) \
1095 #define XCHAR2B_BYTE2(chp) \
1099 #define STORE_NATIVE_RECT(nr,rx,ry,rwidth,rheight) \
1102 (nr).width = (rwidth), \
1103 (nr).height = (rheight))
1105 #endif /* XTERM_H */