1 /* Definitions and headers for communication with X protocol.
2 Copyright (C) 1989, 1993, 1994, 1998, 1999, 2000, 2001, 2001
3 Free Software Foundation, Inc.
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 2, or (at your option)
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; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
23 #include <X11/cursorfont.h>
24 #include <X11/Xutil.h>
25 #include <X11/keysym.h>
26 #include <X11/Xatom.h>
27 #include <X11/Xresource.h>
30 #include <X11/StringDefs.h>
31 #include <X11/IntrinsicP.h> /* CoreP.h needs this */
32 #include <X11/CoreP.h> /* foul, but we need this to use our own
33 window inside a widget instead of one
35 #include <X11/StringDefs.h>
37 typedef Widget xt_or_gtk_widget
;
44 /* Some definitions to reduce conditionals. */
45 typedef GtkWidget
*xt_or_gtk_widget
;
46 #define XtParent(x) (gtk_widget_get_parent (x))
48 #define XSync(d, b) gdk_window_process_all_updates ()
53 /* Bookkeeping to distinguish X versions. */
55 /* HAVE_X11R4 is defined if we have the features of X11R4. It should
56 be defined when we're using X11R5, since X11R5 has the features of
57 X11R4. If, in the future, we find we need more of these flags
58 (HAVE_X11R5, for example), code should always be written to test
59 the most recent flag first:
69 If you ever find yourself writing a "#ifdef HAVE_FOO" clause that
70 looks a lot like another one, consider moving the text into a macro
71 whose definition is configuration-dependent, but whose usage is
72 universal - like the stuff in systime.h.
74 It turns out that we can auto-detect whether we're being compiled
75 with X11R3 or X11R4 by looking for the flag macros for R4 structure
76 members that R3 doesn't have. */
78 /* AIX 3.1's X is somewhere between X11R3 and X11R4. It has
79 PBaseSize, but not XWithdrawWindow, XSetWMName, XSetWMNormalHints,
81 AIX 3.2 is at least X11R4. */
82 #if (!defined AIX) || (defined AIX3_2)
88 /* In case someone has X11R5 on AIX 3.1,
89 make sure HAVE_X11R4 is defined as well as HAVE_X11R5. */
94 #include <X11/Xlocale.h>
97 #define BLACK_PIX_DEFAULT(f) BlackPixel (FRAME_X_DISPLAY (f), \
98 XScreenNumberOfScreen (FRAME_X_SCREEN (f)))
99 #define WHITE_PIX_DEFAULT(f) WhitePixel (FRAME_X_DISPLAY (f), \
100 XScreenNumberOfScreen (FRAME_X_SCREEN (f)))
102 #define FONT_WIDTH(f) ((f)->max_bounds.width)
103 #define FONT_HEIGHT(f) ((f)->ascent + (f)->descent)
104 #define FONT_BASE(f) ((f)->ascent)
105 #define FONT_DESCENT(f) ((f)->descent)
107 /* The mask of events that text windows always want to receive. This
108 includes mouse movement events, since handling the mouse-font text property
109 means that we must track mouse motion all the time. */
111 #define STANDARD_EVENT_SET \
115 | ButtonReleaseMask \
116 | PointerMotionMask \
117 | StructureNotifyMask \
121 | VisibilityChangeMask)
123 /* Structure recording X pixmap and reference count.
124 If REFCOUNT is 0 then this record is free to be reused. */
126 struct x_bitmap_record
133 /* Record some info about this pixmap. */
134 int height
, width
, depth
;
137 /* For each X display, we have a structure that records
138 information about it. */
140 struct x_display_info
142 /* Chain of all x_display_info structures. */
143 struct x_display_info
*next
;
145 /* Connection number (normally a file descriptor number). */
148 /* This says how to access this display in Xlib. */
151 /* This is a cons cell of the form (NAME . FONT-LIST-CACHE).
152 The same cons cell also appears in x_display_name_list. */
153 Lisp_Object name_list_element
;
155 /* Number of frames that are on this display. */
158 /* The Screen this connection is connected to. */
161 /* Dots per inch of the screen. */
164 /* The Visual being used for this display. */
167 /* The colormap being used. */
170 /* Number of panes on this screen. */
173 /* Dimensions of this screen. */
176 /* Mask of things that cause the mouse to be grabbed. */
179 /* Emacs bitmap-id of the default icon bitmap for this frame.
180 Or -1 if none has been allocated yet. */
183 /* The root window of this screen. */
186 /* Client leader window. */
187 Window client_leader_window
;
189 /* The cursor to use for vertical scroll bars. */
190 Cursor vertical_scroll_bar_cursor
;
193 /* The GDK cursor for scroll bars and popup menus. */
194 GdkCursor
*xg_cursor
;
197 /* X Resource data base */
200 /* A table of all the fonts we have already loaded. */
201 struct font_info
*font_table
;
203 /* The current capacity of x_font_table. */
206 /* Minimum width over all characters in all fonts in font_table. */
207 int smallest_char_width
;
209 /* Minimum font height over all fonts in font_table. */
210 int smallest_font_height
;
212 /* Reusable Graphics Context for drawing a cursor in a non-default face. */
213 GC scratch_cursor_gc
;
215 /* These variables describe the range of text currently shown in its
216 mouse-face, together with the window they apply to. As long as
217 the mouse stays within this range, we need not redraw anything on
218 its account. Rows and columns are glyph matrix positions in
219 MOUSE_FACE_WINDOW. */
220 int mouse_face_beg_row
, mouse_face_beg_col
;
221 int mouse_face_beg_x
, mouse_face_beg_y
;
222 int mouse_face_end_row
, mouse_face_end_col
;
223 int mouse_face_end_x
, mouse_face_end_y
;
224 int mouse_face_past_end
;
225 Lisp_Object mouse_face_window
;
226 int mouse_face_face_id
;
227 Lisp_Object mouse_face_overlay
;
229 /* 1 if a mouse motion event came and we didn't handle it right away because
230 gc was in progress. */
231 int mouse_face_deferred_gc
;
233 /* FRAME and X, Y position of mouse when last checked for
234 highlighting. X and Y can be negative or out of range for the frame. */
235 struct frame
*mouse_face_mouse_frame
;
236 int mouse_face_mouse_x
, mouse_face_mouse_y
;
238 /* Nonzero means defer mouse-motion highlighting. */
239 int mouse_face_defer
;
241 /* Nonzero means that the mouse highlight should not be shown. */
242 int mouse_face_hidden
;
244 int mouse_face_image_state
;
248 /* The number of fonts actually stored in x_font_table.
249 font_table[n] is used and valid iff 0 <= n < n_fonts. 0 <=
250 n_fonts <= font_table_size and font_table[i].name != 0. */
253 /* Pointer to bitmap records. */
254 struct x_bitmap_record
*bitmaps
;
256 /* Allocated size of bitmaps field. */
259 /* Last used bitmap index. */
262 /* Which modifier keys are on which modifier bits?
264 With each keystroke, X returns eight bits indicating which modifier
265 keys were held down when the key was pressed. The interpretation
266 of the top five modifier bits depends on what keys are attached
267 to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5
270 meta_mod_mask is a mask containing the bits used for the meta key.
271 It may have more than one bit set, if more than one modifier bit
272 has meta keys on it. Basically, if EVENT is a KeyPress event,
273 the meta key is pressed if (EVENT.state & meta_mod_mask) != 0.
275 shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the
276 lock modifier bit, or zero otherwise. Non-alphabetic keys should
277 only be affected by the lock modifier bit if XK_Shift_Lock is in
278 use; XK_Caps_Lock should only affect alphabetic keys. With this
279 arrangement, the lock modifier should shift the character if
280 (EVENT.state & shift_lock_mask) != 0. */
281 int meta_mod_mask
, shift_lock_mask
;
283 /* These are like meta_mod_mask, but for different modifiers. */
284 int alt_mod_mask
, super_mod_mask
, hyper_mod_mask
;
286 /* Communication with window managers. */
287 Atom Xatom_wm_protocols
;
289 /* Kinds of protocol things we may receive. */
290 Atom Xatom_wm_take_focus
;
291 Atom Xatom_wm_save_yourself
;
292 Atom Xatom_wm_delete_window
;
294 /* Atom for indicating window state to the window manager. */
295 Atom Xatom_wm_change_state
;
297 /* Other WM communication */
298 Atom Xatom_wm_configure_denied
; /* When our config request is denied */
299 Atom Xatom_wm_window_moved
; /* When the WM moves us. */
300 Atom Xatom_wm_client_leader
; /* Id of client leader window. */
302 /* EditRes protocol */
305 /* More atoms, which are selection types. */
306 Atom Xatom_CLIPBOARD
, Xatom_TIMESTAMP
, Xatom_TEXT
, Xatom_DELETE
,
307 Xatom_COMPOUND_TEXT
, Xatom_UTF8_STRING
,
308 Xatom_MULTIPLE
, Xatom_INCR
, Xatom_EMACS_TMP
, Xatom_TARGETS
, Xatom_NULL
,
311 /* More atoms for font properties. The last three are private
312 properties, see the comments in src/fontset.h. */
313 Atom Xatom_PIXEL_SIZE
,
314 Xatom_MULE_BASELINE_OFFSET
, Xatom_MULE_RELATIVE_COMPOSE
,
315 Xatom_MULE_DEFAULT_ASCENT
;
317 /* More atoms for Ghostscript support. */
318 Atom Xatom_DONE
, Xatom_PAGE
;
320 /* Atom used in toolkit scroll bar client messages. */
321 Atom Xatom_Scrollbar
;
324 struct kboard
*kboard
;
326 int cut_buffers_initialized
; /* Whether we're sure they all exist */
328 /* The frame (if any) which has the X window that has keyboard focus.
329 Zero if none. This is examined by Ffocus_frame in xfns.c. Note
330 that a mere EnterNotify event can set this; if you need to know the
331 last frame specified in a FocusIn or FocusOut event, use
332 x_focus_event_frame. */
333 struct frame
*x_focus_frame
;
335 /* The last frame mentioned in a FocusIn or FocusOut event. This is
336 separate from x_focus_frame, because whether or not LeaveNotify
337 events cause us to lose focus depends on whether or not we have
338 received a FocusIn event for it. */
339 struct frame
*x_focus_event_frame
;
341 /* The frame which currently has the visual highlight, and should get
342 keyboard input (other sorts of input have the frame encoded in the
343 event). It points to the X focus frame's selected window's
344 frame. It differs from x_focus_frame when we're using a global
346 struct frame
*x_highlight_frame
;
348 /* The null pixel used for filling a character background with
349 background color of a gc. */
352 /* The gray pixmap. */
355 /* Cache of images. */
356 struct image_cache
*image_cache
;
359 /* XIM (X Input method). */
361 XIMStyles
*xim_styles
;
364 /* If non-null, a cache of the colors in the color map. Don't
365 use this directly, call x_color_cells instead. */
369 /* Bits and shifts to use to compose pixel values on TrueColor visuals. */
370 int red_bits
, blue_bits
, green_bits
;
371 int red_offset
, blue_offset
, green_offset
;
373 /* The type of window manager we have. If we move FRAME_OUTER_WINDOW
374 to x/y 0/0, some window managers (type A) puts the window manager
375 decorations outside the screen and FRAME_OUTER_WINDOW exactly at 0/0.
376 Other window managers (type B) puts the window including decorations
377 at 0/0, so FRAME_OUTER_WINDOW is a bit below 0/0.
378 Record the type of WM in use so we can compensate for type A WMs. */
388 /* Whether or not to use XIM if we have it. */
392 /* This checks to make sure we have a display. */
393 extern void check_x
P_ ((void));
395 extern struct frame
*x_window_to_frame
P_ ((struct x_display_info
*, int));
397 #if defined (USE_X_TOOLKIT) || defined (USE_GTK)
398 extern struct frame
*x_any_window_to_frame
P_ ((struct x_display_info
*, int));
399 extern struct frame
*x_non_menubar_window_to_frame
P_ ((struct x_display_info
*, int));
400 extern struct frame
*x_top_window_to_frame
P_ ((struct x_display_info
*, int));
403 /* This is a chain of structures for all the X displays currently in use. */
404 extern struct x_display_info
*x_display_list
;
406 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
407 one for each element of x_display_list and in the same order.
408 NAME is the name of the frame.
409 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
410 extern Lisp_Object x_display_name_list
;
412 /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */
413 extern Lisp_Object Vx_pixel_size_width_font_regexp
;
415 /* A flag to control how to display unibyte 8-bit character. */
416 extern int unibyte_display_via_language_environment
;
418 extern struct x_display_info
*x_display_info_for_display
P_ ((Display
*));
419 extern struct x_display_info
*x_display_info_for_name
P_ ((Lisp_Object
));
421 extern struct x_display_info
*x_term_init
P_ ((Lisp_Object
, char *, char *));
423 extern Lisp_Object x_list_fonts
P_ ((struct frame
*, Lisp_Object
, int, int));
424 extern void select_visual
P_ ((struct x_display_info
*));
425 extern struct font_info
*x_get_font_info
P_ ((struct frame
*f
, int));
426 extern struct font_info
*x_load_font
P_ ((struct frame
*, char *, int));
427 extern struct font_info
*x_query_font
P_ ((struct frame
*, char *));
428 extern void x_find_ccl_program
P_ ((struct font_info
*));
429 extern Lisp_Object x_get_font_repertory
P_ ((struct frame
*,
430 struct font_info
*));
433 /* Each X frame object points to its own struct x_output object
434 in the output_data.x field. The x_output structure contains
435 the information that is specific to X windows. */
439 /* Height of menu bar widget, in pixels.
440 Zero if not using the X toolkit.
441 When using the toolkit, this value is not meaningful
442 if the menubar is turned off. */
445 /* Height of tool bar widget, in pixels.
446 Zero if not using an external tool bar. */
449 /* The tiled border used when the mouse is out of the frame. */
452 /* Here are the Graphics Contexts for the default font. */
453 GC normal_gc
; /* Normal video */
454 GC reverse_gc
; /* Reverse video */
455 GC cursor_gc
; /* cursor drawing */
457 /* The X window used for this frame.
458 May be zero while the frame object is being created
459 and the X window has not yet been created. */
462 /* The X window used for the bitmap icon;
463 or 0 if we don't have a bitmap icon. */
466 /* The X window that is the parent of this X window.
467 Usually this is a window that was made by the window manager,
468 but it can be the root window, and it can be explicitly specified
469 (see the explicit_parent field, below). */
473 /* The widget of this screen. This is the window of a "shell" widget. */
475 /* The XmPanedWindows... */
476 Widget column_widget
;
477 /* The widget of the edit portion of this screen; the window in
478 "window_desc" is inside of this. */
481 Widget menubar_widget
;
485 /* The widget of this screen. This is the window of a top widget. */
487 /* The widget of the edit portion of this screen; the window in
488 "window_desc" is inside of this. */
489 GtkWidget
*edit_widget
;
490 /* The widget used for laying out widgets vertically. */
491 GtkWidget
*vbox_widget
;
492 /* The menubar in this frame. */
493 GtkWidget
*menubar_widget
;
494 /* The tool bar in this frame */
495 GtkWidget
*toolbar_widget
;
496 /* The handle box that makes the tool bar detachable. */
497 GtkWidget
*handlebox_widget
;
499 /* The last size hints set. */
500 GdkGeometry size_hints
;
504 /* If >=0, a bitmap index. The indicated bitmap is used for the
508 /* Default ASCII font of this frame. */
511 /* The baseline offset of the default ASCII font. */
514 /* If a fontset is specified for this frame instead of font, this
515 value contains an ID of the fontset, else -1. */
518 /* Pixel values used for various purposes.
519 border_pixel may be -1 meaning use a gray tile. */
520 unsigned long background_pixel
;
521 unsigned long foreground_pixel
;
522 unsigned long cursor_pixel
;
523 unsigned long border_pixel
;
524 unsigned long mouse_pixel
;
525 unsigned long cursor_foreground_pixel
;
527 /* Foreground color for scroll bars. A value of -1 means use the
528 default (black for non-toolkit scroll bars). */
529 unsigned long scroll_bar_foreground_pixel
;
531 /* Background color for scroll bars. A value of -1 means use the
532 default (background color of the frame for non-toolkit scroll
534 unsigned long scroll_bar_background_pixel
;
536 /* Top and bottom shadow colors for 3d toolkit scrollbars. -1 means
537 let the scroll compute them itself. */
538 unsigned long scroll_bar_top_shadow_pixel
;
539 unsigned long scroll_bar_bottom_shadow_pixel
;
541 /* Descriptor for the cursor in use for this window. */
543 Cursor nontext_cursor
;
544 Cursor modeline_cursor
;
546 Cursor hourglass_cursor
;
547 Cursor horizontal_drag_cursor
;
549 /* Window whose cursor is hourglass_cursor. This window is temporarily
550 mapped to display an hourglass cursor. */
551 Window hourglass_window
;
553 /* Non-zero means hourglass cursor is currently displayed. */
554 unsigned hourglass_p
: 1;
556 /* Flag to set when the X window needs to be completely repainted. */
559 /* These are the current window manager hints. It seems that
560 XSetWMHints, when presented with an unset bit in the `flags'
561 member of the hints structure, does not leave the corresponding
562 attribute unchanged; rather, it resets that attribute to its
563 default value. For example, unless you set the `icon_pixmap'
564 field and the `IconPixmapHint' bit, XSetWMHints will forget what
565 your icon pixmap was. This is rather troublesome, since some of
566 the members (for example, `input' and `icon_pixmap') want to stay
567 the same throughout the execution of Emacs. So, we keep this
568 structure around, just leaving values in it and adding new bits
569 to the mask as we go. */
572 /* This is the Emacs structure for the X display this frame is on. */
573 struct x_display_info
*display_info
;
575 /* This is a button event that wants to activate the menubar.
576 We save it here until the command loop gets to think about it. */
577 XEvent
*saved_menu_event
;
579 /* This is the widget id used for this frame's menubar in lwlib. */
584 /* Nonzero means our parent is another application's window
585 and was explicitly specified. */
586 char explicit_parent
;
588 /* Nonzero means tried already to make this frame visible. */
589 char asked_for_visible
;
591 /* Nonzero if this frame was ever previously visible. */
592 char has_been_visible
;
595 /* Input context (currently, this means Compose key handler setup). */
601 /* Relief GCs, colors etc. */
608 black_relief
, white_relief
;
610 /* The background for which the above relief GCs were set up.
611 They are changed only when a different background is involved. */
612 unsigned long relief_background
;
614 /* Xt waits for a ConfigureNotify event from the window manager in
615 EmacsFrameSetCharSize when the shell widget is resized. For some
616 window managers like fvwm2 2.2.5 and KDE 2.1 this event doesn't
617 arrive for an unknown reason and Emacs hangs in Xt. If this is
618 zero, tell Xt not to wait. */
621 /* As x_pixels_diff, but to FRAME_OUTER_WINDOW. For some reason the
622 two might differ by a pixel, depending on WM */
623 int x_pixels_outer_diff
;
625 /* As y_pixels_diff, but to FRAME_OUTER_WINDOW. In the toolkit version,
626 these may differ because this does not take into account possible
627 menubar. y_pixels_diff is with menubar height included */
628 int y_pixels_outer_diff
;
630 /* Keep track of focus. May be EXPLICIT if we received a FocusIn for this
631 frame, or IMPLICIT if we received an EnterNotify.
632 FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
635 /* The latest move we made to FRAME_OUTER_WINDOW. Saved so we can
636 compensate for type A WMs (see wm_type in dpyinfo above). */
640 /* The offset we need to add to compensate for type A WMs. */
642 int move_offset_left
;
644 /* Nonzero if we have made a move and needs to check if the WM placed us
645 at the right position. */
646 int check_expected_move
;
649 #define No_Cursor (None)
653 /* Values for focus_state, used as bit mask.
654 EXPLICIT means we received a FocusIn for the frame and know it has
655 the focus. IMPLICIT means we recevied an EnterNotify and the frame
656 may have the focus if no window manager is running.
657 FocusOut and LeaveNotify clears EXPLICIT/IMPLICIT. */
664 /* Return the X output data for frame F. */
665 #define FRAME_X_OUTPUT(f) ((f)->output_data.x)
667 /* Return the X window used for displaying data in frame F. */
668 #define FRAME_X_WINDOW(f) ((f)->output_data.x->window_desc)
670 /* Return the outermost X window associated with the frame F. */
672 #define FRAME_OUTER_WINDOW(f) ((f)->output_data.x->widget ? \
673 XtWindow ((f)->output_data.x->widget) : \
677 #define GTK_WIDGET_TO_X_WIN(w) \
678 ((w) && (w)->window ? GDK_WINDOW_XWINDOW ((w)->window) : 0)
680 #define FRAME_GTK_OUTER_WIDGET(f) ((f)->output_data.x->widget)
681 #define FRAME_GTK_WIDGET(f) ((f)->output_data.x->edit_widget)
682 #define FRAME_OUTER_WINDOW(f) \
683 (FRAME_GTK_OUTER_WIDGET (f) ? \
684 GTK_WIDGET_TO_X_WIN (FRAME_GTK_OUTER_WIDGET (f)) : \
688 #define FRAME_OUTER_WINDOW(f) (FRAME_X_WINDOW (f))
689 #endif /* !USE_GTK */
693 #define FRAME_FONT(f) ((f)->output_data.x->font)
694 #define FRAME_FONTSET(f) ((f)->output_data.x->fontset)
695 #define FRAME_MENUBAR_HEIGHT(f) ((f)->output_data.x->menubar_height)
696 #define FRAME_TOOLBAR_HEIGHT(f) ((f)->output_data.x->toolbar_height)
697 #define FRAME_BASELINE_OFFSET(f) ((f)->output_data.x->baseline_offset)
699 /* This gives the x_display_info structure for the display F is on. */
700 #define FRAME_X_DISPLAY_INFO(f) ((f)->output_data.x->display_info)
702 /* This is the `Display *' which frame F is on. */
703 #define FRAME_X_DISPLAY(f) (FRAME_X_DISPLAY_INFO (f)->display)
705 /* This is the `Screen *' which frame F is on. */
706 #define FRAME_X_SCREEN(f) (FRAME_X_DISPLAY_INFO (f)->screen)
707 #define FRAME_X_SCREEN_NUMBER(f) XScreenNumberOfScreen (FRAME_X_SCREEN (f))
709 /* This is the Visual which frame F is on. */
710 #define FRAME_X_VISUAL(f) FRAME_X_DISPLAY_INFO (f)->visual
712 /* This is the Colormap which frame F uses. */
713 #define FRAME_X_COLORMAP(f) FRAME_X_DISPLAY_INFO (f)->cmap
715 /* This is the 'font_info *' which frame F has. */
716 #define FRAME_X_FONT_TABLE(f) (FRAME_X_DISPLAY_INFO (f)->font_table)
718 /* The difference in pixels between the top left corner of the
719 Emacs window (including possible window manager decorations)
720 and FRAME_X_WINDOW (f). */
721 #define FRAME_OUTER_TO_INNER_DIFF_X(f) \
722 ((f)->output_data.x->x_pixels_outer_diff)
723 #define FRAME_OUTER_TO_INNER_DIFF_Y(f) \
724 ((f)->output_data.x->y_pixels_outer_diff \
725 + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f))
728 #define FRAME_XIC(f) ((f)->output_data.x->xic)
729 #define FRAME_X_XIM(f) (FRAME_X_DISPLAY_INFO (f)->xim)
730 #define FRAME_X_XIM_STYLES(f) (FRAME_X_DISPLAY_INFO (f)->xim_styles)
731 #define FRAME_XIC_STYLE(f) ((f)->output_data.x->xic_style)
732 #define FRAME_XIC_FONTSET(f) ((f)->output_data.x->xic_xfs)
734 /* Value is the smallest width of any character in any font on frame F. */
736 #define FRAME_SMALLEST_CHAR_WIDTH(F) \
737 FRAME_X_DISPLAY_INFO(F)->smallest_char_width
739 /* Value is the smallest height of any font on frame F. */
741 #define FRAME_SMALLEST_FONT_HEIGHT(F) \
742 FRAME_X_DISPLAY_INFO(F)->smallest_font_height
744 /* Return a pointer to the image cache of frame F. */
746 #define FRAME_X_IMAGE_CACHE(F) FRAME_X_DISPLAY_INFO ((F))->image_cache
749 /* X-specific scroll bar stuff. */
751 /* We represent scroll bars as lisp vectors. This allows us to place
752 references to them in windows without worrying about whether we'll
753 end up with windows referring to dead scroll bars; the garbage
754 collector will free it when its time comes.
756 We use struct scroll_bar as a template for accessing fields of the
761 /* These fields are shared by all vectors. */
762 EMACS_INT size_from_Lisp_Vector_struct
;
763 struct Lisp_Vector
*next_from_Lisp_Vector_struct
;
765 /* The window we're a scroll bar for. */
768 /* The next and previous in the chain of scroll bars in this frame. */
769 Lisp_Object next
, prev
;
771 /* The X window representing this scroll bar. Since this is a full
772 32-bit quantity, we store it split into two 32-bit values. */
773 Lisp_Object x_window_low
, x_window_high
;
775 /* The position and size of the scroll bar in pixels, relative to the
777 Lisp_Object top
, left
, width
, height
;
779 /* The starting and ending positions of the handle, relative to the
780 handle area (i.e. zero is the top position, not
781 SCROLL_BAR_TOP_BORDER). If they're equal, that means the handle
782 hasn't been drawn yet.
784 These are not actually the locations where the beginning and end
785 are drawn; in order to keep handles from becoming invisible when
786 editing large files, we establish a minimum height by always
787 drawing handle bottoms VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
788 where they would be normally; the bottom and top are in a
789 different co-ordinate system. */
790 Lisp_Object start
, end
;
792 /* If the scroll bar handle is currently being dragged by the user,
793 this is the number of pixels from the top of the handle to the
794 place where the user grabbed it. If the handle isn't currently
795 being dragged, this is Qnil. */
796 Lisp_Object dragging
;
799 /* The number of elements a vector holding a struct scroll_bar needs. */
800 #define SCROLL_BAR_VEC_SIZE \
801 ((sizeof (struct scroll_bar) \
802 - sizeof (EMACS_INT) - sizeof (struct Lisp_Vector *)) \
803 / sizeof (Lisp_Object))
805 /* Turning a lisp vector value into a pointer to a struct scroll_bar. */
806 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
809 /* Building a 32-bit C integer from two 16-bit lisp integers. */
810 #define SCROLL_BAR_PACK(low, high) (XINT (high) << 16 | XINT (low))
812 /* Setting two lisp integers to the low and high words of a 32-bit C int. */
813 #define SCROLL_BAR_UNPACK(low, high, int32) \
814 (XSETINT ((low), (int32) & 0xffff), \
815 XSETINT ((high), ((int32) >> 16) & 0xffff))
818 /* Extract the X window id of the scroll bar from a struct scroll_bar. */
819 #define SCROLL_BAR_X_WINDOW(ptr) \
820 ((Window) SCROLL_BAR_PACK ((ptr)->x_window_low, (ptr)->x_window_high))
822 /* Store a window id in a struct scroll_bar. */
823 #define SET_SCROLL_BAR_X_WINDOW(ptr, id) \
824 (SCROLL_BAR_UNPACK ((ptr)->x_window_low, (ptr)->x_window_high, (int) id))
826 /* Extract the X widget of the scroll bar from a struct scroll_bar.
827 XtWindowToWidget should be fast enough since Xt uses a hash table
828 to map windows to widgets. */
830 #define SCROLL_BAR_X_WIDGET(dpy, ptr) \
831 XtWindowToWidget (dpy, SCROLL_BAR_X_WINDOW (ptr))
833 /* Store a widget id in a struct scroll_bar. */
835 #define SET_SCROLL_BAR_X_WIDGET(ptr, w) \
837 Window window = XtWindow (w); \
838 SET_SCROLL_BAR_X_WINDOW (ptr, window); \
842 /* Return the inside width of a vertical scroll bar, given the outside
844 #define VERTICAL_SCROLL_BAR_INSIDE_WIDTH(f, width) \
846 - VERTICAL_SCROLL_BAR_LEFT_BORDER \
847 - VERTICAL_SCROLL_BAR_RIGHT_BORDER \
848 - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2)
850 /* Return the length of the rectangle within which the top of the
851 handle must stay. This isn't equivalent to the inside height,
852 because the scroll bar handle has a minimum height.
854 This is the real range of motion for the scroll bar, so when we're
855 scaling buffer positions to scroll bar positions, we use this, not
856 VERTICAL_SCROLL_BAR_INSIDE_HEIGHT. */
857 #define VERTICAL_SCROLL_BAR_TOP_RANGE(f, height) \
858 (VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, height) - VERTICAL_SCROLL_BAR_MIN_HANDLE)
860 /* Return the inside height of vertical scroll bar, given the outside
861 height. See VERTICAL_SCROLL_BAR_TOP_RANGE too. */
862 #define VERTICAL_SCROLL_BAR_INSIDE_HEIGHT(f, height) \
863 ((height) - VERTICAL_SCROLL_BAR_TOP_BORDER - VERTICAL_SCROLL_BAR_BOTTOM_BORDER)
866 /* Border widths for scroll bars.
868 Scroll bar windows don't have any X borders; their border width is
869 set to zero, and we redraw borders ourselves. This makes the code
870 a bit cleaner, since we don't have to convert between outside width
871 (used when relating to the rest of the screen) and inside width
872 (used when sizing and drawing the scroll bar window itself).
874 The handle moves up and down/back and forth in a rectangle inset
875 from the edges of the scroll bar. These are widths by which we
876 inset the handle boundaries from the scroll bar edges. */
877 #define VERTICAL_SCROLL_BAR_LEFT_BORDER (2)
878 #define VERTICAL_SCROLL_BAR_RIGHT_BORDER (2)
879 #define VERTICAL_SCROLL_BAR_TOP_BORDER (2)
880 #define VERTICAL_SCROLL_BAR_BOTTOM_BORDER (2)
882 /* Minimum lengths for scroll bar handles, in pixels. */
883 #define VERTICAL_SCROLL_BAR_MIN_HANDLE (5)
885 /* Trimming off a few pixels from each side prevents
886 text from glomming up against the scroll bar */
887 #define VERTICAL_SCROLL_BAR_WIDTH_TRIM (0)
890 /* If a struct input_event has a kind which is SELECTION_REQUEST_EVENT
891 or SELECTION_CLEAR_EVENT, then its contents are really described
892 by this structure. */
894 /* For an event of kind SELECTION_REQUEST_EVENT,
895 this structure really describes the contents.
896 **Don't make this struct longer!**
897 If it overlaps the frame_or_window field of struct input_event,
898 that will cause GC to crash. */
899 struct selection_input_event
903 /* We spell it with an "o" here because X does. */
905 Atom selection
, target
, property
;
909 #define SELECTION_EVENT_DISPLAY(eventp) \
910 (((struct selection_input_event *) (eventp))->display)
911 /* We spell it with an "o" here because X does. */
912 #define SELECTION_EVENT_REQUESTOR(eventp) \
913 (((struct selection_input_event *) (eventp))->requestor)
914 #define SELECTION_EVENT_SELECTION(eventp) \
915 (((struct selection_input_event *) (eventp))->selection)
916 #define SELECTION_EVENT_TARGET(eventp) \
917 (((struct selection_input_event *) (eventp))->target)
918 #define SELECTION_EVENT_PROPERTY(eventp) \
919 (((struct selection_input_event *) (eventp))->property)
920 #define SELECTION_EVENT_TIME(eventp) \
921 (((struct selection_input_event *) (eventp))->time)
931 /* From xselect.c. */
933 void x_handle_selection_notify
P_ ((XSelectionEvent
*));
934 void x_handle_property_notify
P_ ((XPropertyEvent
*));
938 Lisp_Object display_x_get_resource
P_ ((struct x_display_info
*,
939 Lisp_Object
, Lisp_Object
,
940 Lisp_Object
, Lisp_Object
));
941 struct frame
*check_x_frame
P_ ((Lisp_Object
));
942 EXFUN (Fx_display_color_p
, 1);
943 EXFUN (Fx_display_grayscale_p
, 1);
944 int image_ascent
P_ ((struct image
*, struct face
*));
945 extern void x_free_gcs
P_ ((struct frame
*));
949 char *x_get_customization_string
P_ ((XrmDatabase
, char *, char *));
950 XrmDatabase x_load_resources
P_ ((Display
*, char *, char *, char *));
951 int x_get_resource
P_ ((XrmDatabase
, char *, char *,
952 XrmRepresentation
, XrmValue
*));
953 void x_delete_display
P_ ((struct x_display_info
*));
954 void x_make_frame_visible
P_ ((struct frame
*));
955 void x_iconify_frame
P_ ((struct frame
*));
956 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
957 int x_catch_errors
P_ ((Display
*));
958 int x_had_errors_p
P_ ((Display
*));
959 void x_uncatch_errors
P_ ((Display
*, int));
960 void x_check_errors
P_ ((Display
*, char *));
961 int x_text_icon
P_ ((struct frame
*, char *));
962 int x_bitmap_icon
P_ ((struct frame
*, Lisp_Object
));
963 void x_set_window_size
P_ ((struct frame
*, int, int, int));
964 void x_wm_set_window_state
P_ ((struct frame
*, int));
965 int x_alloc_nearest_color
P_ ((struct frame
*, Colormap
, XColor
*));
967 /* Defined in xterm.c */
969 extern void cancel_mouse_face
P_ ((struct frame
*));
970 extern void x_scroll_bar_clear
P_ ((struct frame
*));
971 extern void x_start_queuing_selection_requests
P_ ((Display
*));
972 extern void x_stop_queuing_selection_requests
P_ ((Display
*));
973 extern int x_text_icon
P_ ((struct frame
*, char *));
974 extern int x_bitmap_icon
P_ ((struct frame
*, Lisp_Object
));
975 extern int x_catch_errors
P_ ((Display
*));
976 extern void x_check_errors
P_ ((Display
*, char *));
977 extern int x_had_errors_p
P_ ((Display
*));
978 extern void x_uncatch_errors
P_ ((Display
*, int));
979 extern void x_set_window_size
P_ ((struct frame
*, int, int, int));
980 extern void x_set_mouse_position
P_ ((struct frame
*, int, int));
981 extern void x_set_mouse_pixel_position
P_ ((struct frame
*, int, int));
982 extern void x_raise_frame
P_ ((struct frame
*));
983 extern void x_lower_frame
P_ ((struct frame
*));
984 extern void x_make_frame_visible
P_ ((struct frame
*));
985 extern void x_make_frame_invisible
P_ ((struct frame
*));
986 extern void x_iconify_frame
P_ ((struct frame
*));
987 extern void x_free_frame_resources
P_ ((struct frame
*));
988 extern void x_destroy_window
P_ ((struct frame
*));
989 extern void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
990 extern void x_wm_set_window_state
P_ ((struct frame
*, int));
991 extern void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
992 extern void x_delete_display
P_ ((struct x_display_info
*));
993 extern void x_initialize
P_ ((void));
994 extern unsigned long x_copy_color
P_ ((struct frame
*, unsigned long));
996 extern XtAppContext Xt_app_con
;
998 extern void x_query_colors
P_ ((struct frame
*f
, XColor
*, int));
999 extern void x_query_color
P_ ((struct frame
*f
, XColor
*));
1000 extern void x_clear_area
P_ ((Display
*, Window
, int, int, int, int, int));
1002 extern int x_dispatch_event
P_ ((XEvent
*, Display
*));
1004 /* Defined in xselect.c */
1006 extern void x_handle_property_notify
P_ ((XPropertyEvent
*));
1007 extern void x_handle_selection_notify
P_ ((XSelectionEvent
*));
1008 extern void x_handle_selection_request
P_ ((struct input_event
*));
1009 extern void x_handle_selection_clear
P_ ((struct input_event
*));
1010 extern void x_clear_frame_selections
P_ ((struct frame
*));
1012 extern int x_handle_dnd_message
P_ ((struct frame
*,
1013 XClientMessageEvent
*,
1014 struct x_display_info
*,
1015 struct input_event
*bufp
));
1016 extern int x_check_property_data
P_ ((Lisp_Object
));
1017 extern void x_fill_property_data
P_ ((Display
*,
1021 extern Lisp_Object x_property_data_to_lisp
P_ ((struct frame
*,
1027 /* Defined in xfns.c */
1029 extern struct x_display_info
* check_x_display_info
P_ ((Lisp_Object frame
));
1030 extern int have_menus_p
P_ ((void));
1033 extern int xg_set_icon
P_ ((struct frame
*, Lisp_Object
));
1034 #endif /* USE_GTK */
1036 extern void x_real_positions
P_ ((struct frame
*, int *, int *));
1037 extern int defined_color
P_ ((struct frame
*, char *, XColor
*, int));
1038 extern void x_set_border_pixel
P_ ((struct frame
*, int));
1039 extern void x_set_menu_bar_lines
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
1040 extern unsigned char * x_encode_text
P_ ((Lisp_Object
, Lisp_Object
, int,
1042 extern void x_implicitly_set_name
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
1043 extern void create_frame_xic
P_ ((struct frame
*));
1044 extern void destroy_frame_xic
P_ ((struct frame
*));
1045 extern void xic_set_preeditarea
P_ ((struct window
*, int, int));
1046 extern void xic_set_statusarea
P_ ((struct frame
*));
1047 extern void xic_set_xfontset
P_ ((struct frame
*, char *));
1048 extern int x_pixel_width
P_ ((struct frame
*));
1049 extern int x_pixel_height
P_ ((struct frame
*));
1050 extern int x_char_width
P_ ((struct frame
*));
1051 extern int x_char_height
P_ ((struct frame
*));
1052 extern int x_screen_planes
P_ ((struct frame
*));
1053 extern void x_sync
P_ ((struct frame
*));
1054 extern int x_defined_color
P_ ((struct frame
*, char *, XColor
*, int));
1056 extern void free_frame_xic
P_ ((struct frame
*));
1058 extern void x_set_tool_bar_lines
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
1060 /* Defined in xfaces.c */
1062 extern int compute_glyph_face
P_ ((struct frame
*, int, int));
1063 extern int compute_glyph_face_1
P_ ((struct frame
*, Lisp_Object
, int));
1064 extern void x_free_dpy_colors
P_ ((Display
*, Screen
*, Colormap
,
1065 unsigned long *, int));
1067 /* Defined in xmenu.c */
1069 extern void x_activate_menubar
P_ ((struct frame
*));
1070 extern int popup_activated
P_ ((void));
1071 extern void initialize_frame_menubar
P_ ((struct frame
*));
1072 extern void free_frame_menubar
P_ ((struct frame
*));
1074 /* Defined in widget.c */
1076 #ifdef USE_X_TOOLKIT
1077 extern void widget_store_internal_border
P_ ((Widget
));
1080 /* Defined in xsmfns.c */
1082 extern void x_session_initialize
P_ ((struct x_display_info
*dpyinfo
));
1083 extern int x_session_check_input
P_ ((struct input_event
*bufp
));
1084 extern int x_session_have_connection
P_ ((void));
1087 #define FONT_TYPE_FOR_UNIBYTE(font, ch) 0
1088 #define FONT_TYPE_FOR_MULTIBYTE(font, ch) 0
1090 #define STORE_XCHAR2B(chp, b1, b2) \
1091 ((chp)->byte1 = (b1), (chp)->byte2 = (b2))
1093 #define XCHAR2B_BYTE1(chp) \
1096 #define XCHAR2B_BYTE2(chp) \
1100 #define STORE_NATIVE_RECT(nr,rx,ry,rwidth,rheight) \
1103 (nr).width = (rwidth), \
1104 (nr).height = (rheight))
1106 /* arch-tag: 78a7972a-b18f-4694-861a-0780c4b3090e
1107 (do not change this comment) */