1 /* Functions for creating and updating GTK widgets.
2 Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 Boston, MA 02110-1301, USA. */
29 #include "blockinput.h"
30 #include "syssignal.h"
34 #include "termhooks.h"
38 #include <gdk/gdkkeysyms.h>
41 #define FRAME_TOTAL_PIXEL_HEIGHT(f) \
42 (FRAME_PIXEL_HEIGHT (f) + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f))
44 /* Avoid "differ in sign" warnings */
45 #define SSDATA(x) ((char *) SDATA (x))
48 /***********************************************************************
49 Display handling functions
50 ***********************************************************************/
52 #ifdef HAVE_GTK_MULTIDISPLAY
54 /* Return the GdkDisplay that corresponds to the X display DPY. */
57 xg_get_gdk_display (dpy
)
60 return gdk_x11_lookup_xdisplay (dpy
);
63 /* When the GTK widget W is to be created on a display for F that
64 is not the default display, set the display for W.
65 W can be a GtkMenu or a GtkWindow widget. */
72 if (FRAME_X_DISPLAY (f
) != GDK_DISPLAY ())
74 GdkDisplay
*gdpy
= gdk_x11_lookup_xdisplay (FRAME_X_DISPLAY (f
));
75 GdkScreen
*gscreen
= gdk_display_get_default_screen (gdpy
);
78 gtk_menu_set_screen (GTK_MENU (w
), gscreen
);
80 gtk_window_set_screen (GTK_WINDOW (w
), gscreen
);
85 #else /* not HAVE_GTK_MULTIDISPLAY */
87 /* Make some defines so we can use the GTK 2.2 functions when
88 compiling with GTK 2.0. */
90 #define xg_set_screen(w, f)
91 #define gdk_xid_table_lookup_for_display(dpy, w) gdk_xid_table_lookup (w)
92 #define gdk_pixmap_foreign_new_for_display(dpy, p) gdk_pixmap_foreign_new (p)
93 #define gdk_cursor_new_for_display(dpy, c) gdk_cursor_new (c)
94 #define gdk_x11_lookup_xdisplay(dpy) 0
95 #define GdkDisplay void
97 #endif /* not HAVE_GTK_MULTIDISPLAY */
99 /* Open a display named by DISPLAY_NAME. The display is returned in *DPY.
100 *DPY is set to NULL if the display can't be opened.
102 Returns non-zero if display could be opened, zero if display could not
103 be opened, and less than zero if the GTK version doesn't support
107 xg_display_open (display_name
, dpy
)
111 #ifdef HAVE_GTK_MULTIDISPLAY
114 gdpy
= gdk_display_open (display_name
);
115 *dpy
= gdpy
? GDK_DISPLAY_XDISPLAY (gdpy
) : NULL
;
119 #else /* not HAVE_GTK_MULTIDISPLAY */
122 #endif /* not HAVE_GTK_MULTIDISPLAY */
126 /* Close display DPY. */
129 xg_display_close (Display
*dpy
)
131 #ifdef HAVE_GTK_MULTIDISPLAY
132 GdkDisplay
*gdpy
= gdk_x11_lookup_xdisplay (dpy
);
134 /* GTK 2.2 has a bug that makes gdk_display_close crash (bug
135 http://bugzilla.gnome.org/show_bug.cgi?id=85715). This way
136 we can continue running, but there will be memory leaks. */
138 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION < 4
140 /* If this is the default display, we must change it before calling
141 dispose, otherwise it will crash. */
142 if (gdk_display_get_default () == gdpy
)
144 struct x_display_info
*dpyinfo
;
145 Display
*new_dpy
= 0;
146 GdkDisplay
*gdpy_new
;
148 /* Find another display. */
149 for (dpyinfo
= x_display_list
; dpyinfo
; dpyinfo
= dpyinfo
->next
)
150 if (dpyinfo
->display
!= dpy
)
152 new_dpy
= dpyinfo
->display
;
156 if (! new_dpy
) return; /* Emacs will exit anyway. */
158 gdpy_new
= gdk_x11_lookup_xdisplay (new_dpy
);
159 gdk_display_manager_set_default_display (gdk_display_manager_get (),
163 g_object_run_dispose (G_OBJECT (gdpy
));
166 /* I hope this will be fixed in GTK 2.4. It is what bug 85715 says. */
167 gdk_display_close (gdpy
);
169 #endif /* HAVE_GTK_MULTIDISPLAY */
173 /***********************************************************************
175 ***********************************************************************/
176 /* The timer for scroll bar repetition and menu bar timeouts.
177 NULL if no timer is started. */
178 static struct atimer
*xg_timer
;
181 /* The next two variables and functions are taken from lwlib. */
182 static widget_value
*widget_value_free_list
;
183 static int malloc_cpt
;
185 /* Allocate a widget_value structure, either by taking one from the
186 widget_value_free_list or by malloc:ing a new one.
188 Return a pointer to the allocated structure. */
191 malloc_widget_value ()
194 if (widget_value_free_list
)
196 wv
= widget_value_free_list
;
197 widget_value_free_list
= wv
->free_list
;
202 wv
= (widget_value
*) malloc (sizeof (widget_value
));
205 memset (wv
, 0, sizeof (widget_value
));
209 /* This is analogous to free. It frees only what was allocated
210 by malloc_widget_value, and no substructures. */
213 free_widget_value (wv
)
221 /* When the number of already allocated cells is too big,
228 wv
->free_list
= widget_value_free_list
;
229 widget_value_free_list
= wv
;
234 /* Create and return the cursor to be used for popup menus and
235 scroll bars on display DPY. */
238 xg_create_default_cursor (dpy
)
241 GdkDisplay
*gdpy
= gdk_x11_lookup_xdisplay (dpy
);
242 return gdk_cursor_new_for_display (gdpy
, GDK_LEFT_PTR
);
245 /* Apply GMASK to GPIX and return a GdkPixbuf with an alpha channel. */
248 xg_get_pixbuf_from_pix_and_mask (gpix
, gmask
, cmap
)
253 int x
, y
, width
, height
, rowstride
, mask_rowstride
;
254 GdkPixbuf
*icon_buf
, *tmp_buf
;
258 gdk_drawable_get_size (gpix
, &width
, &height
);
259 tmp_buf
= gdk_pixbuf_get_from_drawable (NULL
, gpix
, cmap
,
260 0, 0, 0, 0, width
, height
);
261 icon_buf
= gdk_pixbuf_add_alpha (tmp_buf
, FALSE
, 0, 0, 0);
262 g_object_unref (G_OBJECT (tmp_buf
));
266 GdkPixbuf
*mask_buf
= gdk_pixbuf_get_from_drawable (NULL
,
271 guchar
*pixels
= gdk_pixbuf_get_pixels (icon_buf
);
272 guchar
*mask_pixels
= gdk_pixbuf_get_pixels (mask_buf
);
273 int rowstride
= gdk_pixbuf_get_rowstride (icon_buf
);
274 int mask_rowstride
= gdk_pixbuf_get_rowstride (mask_buf
);
277 for (y
= 0; y
< height
; ++y
)
279 guchar
*iconptr
, *maskptr
;
282 iconptr
= pixels
+ y
* rowstride
;
283 maskptr
= mask_pixels
+ y
* mask_rowstride
;
285 for (x
= 0; x
< width
; ++x
)
287 /* In a bitmap, RGB is either 255/255/255 or 0/0/0. Checking
288 just R is sufficient. */
290 iconptr
[3] = 0; /* 0, 1, 2 is R, G, B. 3 is alpha. */
292 iconptr
+= rowstride
/width
;
293 maskptr
+= mask_rowstride
/width
;
297 g_object_unref (G_OBJECT (mask_buf
));
303 /* For the image defined in IMG, make and return a GtkImage. For displays with
304 8 planes or less we must make a GdkPixbuf and apply the mask manually.
305 Otherwise the highlightning and dimming the tool bar code in GTK does
306 will look bad. For display with more than 8 planes we just use the
307 pixmap and mask directly. For monochrome displays, GTK doesn't seem
308 able to use external pixmaps, it looks bad whatever we do.
309 The image is defined on the display where frame F is.
310 WIDGET is used to find the GdkColormap to use for the GdkPixbuf.
311 If OLD_WIDGET is NULL, a new widget is constructed and returned.
312 If OLD_WIDGET is not NULL, that widget is modified. */
315 xg_get_image_for_pixmap (f
, img
, widget
, old_widget
)
319 GtkImage
*old_widget
;
325 /* If we are on a one bit display, let GTK do all the image handling.
326 This seems to be the only way to make insensitive and activated icons
328 if (x_screen_planes (f
) == 1)
330 Lisp_Object specified_file
= Qnil
;
332 extern Lisp_Object QCfile
;
334 for (tail
= XCDR (img
->spec
);
335 NILP (specified_file
) && CONSP (tail
) && CONSP (XCDR (tail
));
336 tail
= XCDR (XCDR (tail
)))
337 if (EQ (XCAR (tail
), QCfile
))
338 specified_file
= XCAR (XCDR (tail
));
340 if (STRINGP (specified_file
))
343 Lisp_Object file
= Qnil
;
347 file
= x_find_image_file (specified_file
);
348 /* We already loaded the image once before calling this
349 function, so this should not fail. */
350 xassert (STRINGP (file
) != 0);
353 old_widget
= GTK_IMAGE (gtk_image_new_from_file (SSDATA (file
)));
355 gtk_image_set_from_file (old_widget
, SSDATA (file
));
358 return GTK_WIDGET (old_widget
);
362 gdpy
= gdk_x11_lookup_xdisplay (FRAME_X_DISPLAY (f
));
363 gpix
= gdk_pixmap_foreign_new_for_display (gdpy
, img
->pixmap
);
364 gmask
= img
->mask
? gdk_pixmap_foreign_new_for_display (gdpy
, img
->mask
) : 0;
366 if (x_screen_planes (f
) > 8 || x_screen_planes (f
) == 1)
369 old_widget
= GTK_IMAGE (gtk_image_new_from_pixmap (gpix
, gmask
));
371 gtk_image_set_from_pixmap (old_widget
, gpix
, gmask
);
376 /* This is a workaround to make icons look good on pseudo color
377 displays. Apparently GTK expects the images to have an alpha
378 channel. If they don't, insensitive and activated icons will
379 look bad. This workaround does not work on monochrome displays,
380 and is not needed on true color/static color displays (i.e.
381 16 bits and higher). */
382 GdkColormap
*cmap
= gtk_widget_get_colormap (widget
);
383 GdkPixbuf
*icon_buf
= xg_get_pixbuf_from_pix_and_mask (gpix
, gmask
, cmap
);
386 old_widget
= GTK_IMAGE (gtk_image_new_from_pixbuf (icon_buf
));
388 gtk_image_set_from_pixbuf (old_widget
, icon_buf
);
390 g_object_unref (G_OBJECT (icon_buf
));
393 g_object_unref (G_OBJECT (gpix
));
394 if (gmask
) g_object_unref (G_OBJECT (gmask
));
396 return GTK_WIDGET (old_widget
);
400 /* Set CURSOR on W and all widgets W contain. We must do like this
401 for scroll bars and menu because they create widgets internally,
402 and it is those widgets that are visible. */
405 xg_set_cursor (w
, cursor
)
409 GList
*children
= gdk_window_peek_children (w
->window
);
411 gdk_window_set_cursor (w
->window
, cursor
);
413 /* The scroll bar widget has more than one GDK window (had to look at
414 the source to figure this out), and there is no way to set cursor
415 on widgets in GTK. So we must set the cursor for all GDK windows.
418 for ( ; children
; children
= g_list_next (children
))
419 gdk_window_set_cursor (GDK_WINDOW (children
->data
), cursor
);
422 /* Timer function called when a timeout occurs for xg_timer.
423 This function processes all GTK events in a recursive event loop.
424 This is done because GTK timer events are not seen by Emacs event
425 detection, Emacs only looks for X events. When a scroll bar has the
426 pointer (detected by button press/release events below) an Emacs
427 timer is started, and this function can then check if the GTK timer
428 has expired by calling the GTK event loop.
429 Also, when a menu is active, it has a small timeout before it
430 pops down the sub menu under it. */
433 xg_process_timeouts (timer
)
434 struct atimer
*timer
;
437 /* Ideally we would like to just handle timer events, like the Xt version
438 of this does in xterm.c, but there is no such feature in GTK. */
439 while (gtk_events_pending ())
440 gtk_main_iteration ();
444 /* Start the xg_timer with an interval of 0.1 seconds, if not already started.
445 xg_process_timeouts is called when the timer expires. The timer
446 started is continuous, i.e. runs until xg_stop_timer is called. */
454 EMACS_SET_SECS_USECS (interval
, 0, 100000);
455 xg_timer
= start_atimer (ATIMER_CONTINUOUS
,
462 /* Stop the xg_timer if started. */
469 cancel_atimer (xg_timer
);
474 /* Insert NODE into linked LIST. */
477 xg_list_insert (xg_list_node
*list
, xg_list_node
*node
)
479 xg_list_node
*list_start
= list
->next
;
481 if (list_start
) list_start
->prev
= node
;
482 node
->next
= list_start
;
487 /* Remove NODE from linked LIST. */
490 xg_list_remove (xg_list_node
*list
, xg_list_node
*node
)
492 xg_list_node
*list_start
= list
->next
;
493 if (node
== list_start
)
495 list
->next
= node
->next
;
496 if (list
->next
) list
->next
->prev
= 0;
500 node
->prev
->next
= node
->next
;
501 if (node
->next
) node
->next
->prev
= node
->prev
;
505 /* Allocate and return a utf8 version of STR. If STR is already
506 utf8 or NULL, just return STR.
507 If not, a new string is allocated and the caller must free the result
511 get_utf8_string (str
)
514 char *utf8_str
= str
;
516 /* If not UTF-8, try current locale. */
517 if (str
&& !g_utf8_validate (str
, -1, NULL
))
518 utf8_str
= g_locale_to_utf8 (str
, -1, 0, 0, 0);
525 /***********************************************************************
526 General functions for creating widgets, resizing, events, e.t.c.
527 ***********************************************************************/
529 /* Make a geometry string and pass that to GTK. It seems this is the
530 only way to get geometry position right if the user explicitly
531 asked for a position when starting Emacs.
532 F is the frame we shall set geometry for. */
538 if (f
->size_hint_flags
& USPosition
)
540 int left
= f
->left_pos
;
541 int xneg
= f
->size_hint_flags
& XNegative
;
542 int top
= f
->top_pos
;
543 int yneg
= f
->size_hint_flags
& YNegative
;
551 sprintf (geom_str
, "=%dx%d%c%d%c%d",
552 FRAME_PIXEL_WIDTH (f
),
553 FRAME_TOTAL_PIXEL_HEIGHT (f
),
554 (xneg
? '-' : '+'), left
,
555 (yneg
? '-' : '+'), top
);
557 if (!gtk_window_parse_geometry (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f
)),
559 fprintf (stderr
, "Failed to parse: '%s'\n", geom_str
);
560 } else if (f
->size_hint_flags
& PPosition
) {
561 gtk_window_move (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f
)),
562 f
->left_pos
, f
->top_pos
);
567 /* Resize the outer window of frame F after chainging the height.
568 This happend when the menu bar or the tool bar is added or removed.
569 COLUMNS/ROWS is the size the edit area shall have after the resize. */
572 xg_resize_outer_widget (f
, columns
, rows
)
577 /* If we are not mapped yet, set geometry once again, as window
578 height now have changed. */
579 if (! GTK_WIDGET_MAPPED (FRAME_GTK_OUTER_WIDGET (f
)))
582 xg_frame_set_char_size (f
, columns
, rows
);
583 gdk_window_process_all_updates ();
586 /* Function to handle resize of our widgets. Since Emacs has some layouts
587 that does not fit well with GTK standard containers, we do most layout
589 F is the frame to resize.
590 PIXELWIDTH, PIXELHEIGHT is the new size in pixels. */
593 xg_resize_widgets (f
, pixelwidth
, pixelheight
)
595 int pixelwidth
, pixelheight
;
597 int mbheight
= FRAME_MENUBAR_HEIGHT (f
);
598 int tbheight
= FRAME_TOOLBAR_HEIGHT (f
);
599 int rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, (pixelheight
600 - mbheight
- tbheight
));
601 int columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, pixelwidth
);
603 if (FRAME_GTK_WIDGET (f
)
604 && (columns
!= FRAME_COLS (f
)
605 || rows
!= FRAME_LINES (f
)
606 || pixelwidth
!= FRAME_PIXEL_WIDTH (f
)
607 || pixelheight
!= FRAME_PIXEL_HEIGHT (f
)))
609 struct x_output
*x
= f
->output_data
.x
;
612 all
.y
= mbheight
+ tbheight
;
615 all
.width
= pixelwidth
;
616 all
.height
= pixelheight
- mbheight
- tbheight
;
618 gtk_widget_size_allocate (x
->edit_widget
, &all
);
620 change_frame_size (f
, rows
, columns
, 0, 1, 0);
621 SET_FRAME_GARBAGED (f
);
622 cancel_mouse_face (f
);
627 /* Update our widget size to be COLS/ROWS characters for frame F. */
630 xg_frame_set_char_size (f
, cols
, rows
)
635 int pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
)
636 + FRAME_MENUBAR_HEIGHT (f
) + FRAME_TOOLBAR_HEIGHT (f
);
639 /* Take into account the size of the scroll bar. Always use the
640 number of columns occupied by the scroll bar here otherwise we
641 might end up with a frame width that is not a multiple of the
642 frame's character width which is bad for vertically split
644 f
->scroll_bar_actual_width
645 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
647 compute_fringe_widths (f
, 0);
649 /* FRAME_TEXT_COLS_TO_PIXEL_WIDTH uses scroll_bar_actual_width, so call it
650 after calculating that value. */
651 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
653 /* Must resize our top level widget. Font size may have changed,
654 but not rows/cols. */
655 gtk_window_resize (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f
)),
656 pixelwidth
, pixelheight
);
657 xg_resize_widgets (f
, pixelwidth
, pixelheight
);
658 x_wm_set_size_hint (f
, 0, 0);
659 SET_FRAME_GARBAGED (f
);
660 cancel_mouse_face (f
);
663 /* Convert an X Window WSESC on display DPY to its corresponding GtkWidget.
664 Must be done like this, because GtkWidget:s can have "hidden"
665 X Window that aren't accessible.
667 Return 0 if no widget match WDESC. */
670 xg_win_to_widget (dpy
, wdesc
)
675 GtkWidget
*gwdesc
= 0;
679 gdkwin
= gdk_xid_table_lookup_for_display (gdk_x11_lookup_xdisplay (dpy
),
684 event
.any
.window
= gdkwin
;
685 gwdesc
= gtk_get_event_widget (&event
);
692 /* Fill in the GdkColor C so that it represents PIXEL.
693 W is the widget that color will be used for. Used to find colormap. */
696 xg_pix_to_gcolor (w
, pixel
, c
)
701 GdkColormap
*map
= gtk_widget_get_colormap (w
);
702 gdk_colormap_query_color (map
, pixel
, c
);
705 /* Create and set up the GTK widgets for frame F.
706 Return 0 if creation failed, non-zero otherwise. */
709 xg_create_frame_widgets (f
)
722 wtop
= gtk_window_new (GTK_WINDOW_TOPLEVEL
);
723 xg_set_screen (wtop
, f
);
725 wvbox
= gtk_vbox_new (FALSE
, 0);
726 wfixed
= gtk_fixed_new (); /* Must have this to place scroll bars */
728 if (! wtop
|| ! wvbox
|| ! wfixed
)
730 if (wtop
) gtk_widget_destroy (wtop
);
731 if (wvbox
) gtk_widget_destroy (wvbox
);
732 if (wfixed
) gtk_widget_destroy (wfixed
);
738 /* Use same names as the Xt port does. I.e. Emacs.pane.emacs by default */
739 gtk_widget_set_name (wtop
, EMACS_CLASS
);
740 gtk_widget_set_name (wvbox
, "pane");
741 gtk_widget_set_name (wfixed
, SSDATA (Vx_resource_name
));
743 /* If this frame has a title or name, set it in the title bar. */
744 if (! NILP (f
->title
)) title
= SSDATA (ENCODE_UTF_8 (f
->title
));
745 else if (! NILP (f
->name
)) title
= SSDATA (ENCODE_UTF_8 (f
->name
));
747 if (title
) gtk_window_set_title (GTK_WINDOW (wtop
), title
);
749 FRAME_GTK_OUTER_WIDGET (f
) = wtop
;
750 FRAME_GTK_WIDGET (f
) = wfixed
;
751 f
->output_data
.x
->vbox_widget
= wvbox
;
753 gtk_fixed_set_has_window (GTK_FIXED (wfixed
), TRUE
);
755 gtk_widget_set_size_request (wfixed
, FRAME_PIXEL_WIDTH (f
),
756 FRAME_PIXEL_HEIGHT (f
));
758 gtk_container_add (GTK_CONTAINER (wtop
), wvbox
);
759 gtk_box_pack_end (GTK_BOX (wvbox
), wfixed
, TRUE
, TRUE
, 0);
761 if (FRAME_EXTERNAL_TOOL_BAR (f
))
762 update_frame_tool_bar (f
);
764 /* The tool bar is created but first there are no items in it.
765 This causes it to be zero height. Later items are added, but then
766 the frame is already mapped, so there is a "jumping" resize.
767 This makes geometry handling difficult, for example -0-0 will end
768 up in the wrong place as tool bar height has not been taken into account.
769 So we cheat a bit by setting a height that is what it will have
770 later on when tool bar items are added. */
771 if (FRAME_EXTERNAL_TOOL_BAR (f
) && f
->n_tool_bar_items
== 0)
772 FRAME_TOOLBAR_HEIGHT (f
) = 38;
775 /* We don't want this widget double buffered, because we draw on it
776 with regular X drawing primitives, so from a GTK/GDK point of
777 view, the widget is totally blank. When an expose comes, this
778 will make the widget blank, and then Emacs redraws it. This flickers
779 a lot, so we turn off double buffering. */
780 gtk_widget_set_double_buffered (wfixed
, FALSE
);
782 /* GTK documents says use gtk_window_set_resizable. But then a user
783 can't shrink the window from its starting size. */
784 gtk_window_set_policy (GTK_WINDOW (wtop
), TRUE
, TRUE
, TRUE
);
785 gtk_window_set_wmclass (GTK_WINDOW (wtop
),
786 SSDATA (Vx_resource_name
),
787 SSDATA (Vx_resource_class
));
789 /* Add callback to do nothing on WM_DELETE_WINDOW. The default in
790 GTK is to destroy the widget. We want Emacs to do that instead. */
791 g_signal_connect (G_OBJECT (wtop
), "delete-event",
792 G_CALLBACK (gtk_true
), 0);
794 /* Convert our geometry parameters into a geometry string
796 GTK will itself handle calculating the real position this way. */
799 gtk_widget_add_events (wfixed
,
800 GDK_POINTER_MOTION_MASK
802 | GDK_BUTTON_PRESS_MASK
803 | GDK_BUTTON_RELEASE_MASK
805 | GDK_ENTER_NOTIFY_MASK
806 | GDK_LEAVE_NOTIFY_MASK
807 | GDK_FOCUS_CHANGE_MASK
809 | GDK_VISIBILITY_NOTIFY_MASK
);
811 /* Must realize the windows so the X window gets created. It is used
812 by callers of this function. */
813 gtk_widget_realize (wfixed
);
814 FRAME_X_WINDOW (f
) = GTK_WIDGET_TO_X_WIN (wfixed
);
816 /* Since GTK clears its window by filling with the background color,
817 we must keep X and GTK background in sync. */
818 xg_pix_to_gcolor (wfixed
, f
->output_data
.x
->background_pixel
, &bg
);
819 gtk_widget_modify_bg (wfixed
, GTK_STATE_NORMAL
, &bg
);
821 /* Also, do not let any background pixmap to be set, this looks very
822 bad as Emacs overwrites the background pixmap with its own idea
823 of background color. */
824 style
= gtk_widget_get_modifier_style (wfixed
);
826 /* Must use g_strdup because gtk_widget_modify_style does g_free. */
827 style
->bg_pixmap_name
[GTK_STATE_NORMAL
] = g_strdup ("<none>");
828 gtk_widget_modify_style (wfixed
, style
);
830 /* GTK does not set any border, and they look bad with GTK. */
832 f
->internal_border_width
= 0;
839 /* Set the normal size hints for the window manager, for frame F.
840 FLAGS is the flags word to use--or 0 meaning preserve the flags
841 that the window now has.
842 If USER_POSITION is nonzero, we set the User Position
843 flag (this is useful when FLAGS is 0). */
846 x_wm_set_size_hint (f
, flags
, user_position
)
851 if (FRAME_GTK_OUTER_WIDGET (f
))
853 /* Must use GTK routines here, otherwise GTK resets the size hints
854 to its own defaults. */
855 GdkGeometry size_hints
;
857 int base_width
, base_height
;
858 int min_rows
= 0, min_cols
= 0;
859 int win_gravity
= f
->win_gravity
;
863 memset (&size_hints
, 0, sizeof (size_hints
));
864 f
->output_data
.x
->size_hints
= size_hints
;
865 f
->output_data
.x
->hint_flags
= hint_flags
;
868 flags
= f
->size_hint_flags
;
870 size_hints
= f
->output_data
.x
->size_hints
;
871 hint_flags
= f
->output_data
.x
->hint_flags
;
873 hint_flags
|= GDK_HINT_RESIZE_INC
| GDK_HINT_MIN_SIZE
;
874 size_hints
.width_inc
= FRAME_COLUMN_WIDTH (f
);
875 size_hints
.height_inc
= FRAME_LINE_HEIGHT (f
);
877 hint_flags
|= GDK_HINT_BASE_SIZE
;
878 base_width
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, 0);
879 base_height
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, 0)
880 + FRAME_MENUBAR_HEIGHT (f
) + FRAME_TOOLBAR_HEIGHT (f
);
882 check_frame_size (f
, &min_rows
, &min_cols
);
884 size_hints
.base_width
= base_width
;
885 size_hints
.base_height
= base_height
;
886 size_hints
.min_width
= base_width
+ min_cols
* size_hints
.width_inc
;
887 size_hints
.min_height
= base_height
+ min_rows
* size_hints
.height_inc
;
890 /* These currently have a one to one mapping with the X values, but I
891 don't think we should rely on that. */
892 hint_flags
|= GDK_HINT_WIN_GRAVITY
;
893 size_hints
.win_gravity
= 0;
894 if (win_gravity
== NorthWestGravity
)
895 size_hints
.win_gravity
= GDK_GRAVITY_NORTH_WEST
;
896 else if (win_gravity
== NorthGravity
)
897 size_hints
.win_gravity
= GDK_GRAVITY_NORTH
;
898 else if (win_gravity
== NorthEastGravity
)
899 size_hints
.win_gravity
= GDK_GRAVITY_NORTH_EAST
;
900 else if (win_gravity
== WestGravity
)
901 size_hints
.win_gravity
= GDK_GRAVITY_WEST
;
902 else if (win_gravity
== CenterGravity
)
903 size_hints
.win_gravity
= GDK_GRAVITY_CENTER
;
904 else if (win_gravity
== EastGravity
)
905 size_hints
.win_gravity
= GDK_GRAVITY_EAST
;
906 else if (win_gravity
== SouthWestGravity
)
907 size_hints
.win_gravity
= GDK_GRAVITY_SOUTH_WEST
;
908 else if (win_gravity
== SouthGravity
)
909 size_hints
.win_gravity
= GDK_GRAVITY_SOUTH
;
910 else if (win_gravity
== SouthEastGravity
)
911 size_hints
.win_gravity
= GDK_GRAVITY_SOUTH_EAST
;
912 else if (win_gravity
== StaticGravity
)
913 size_hints
.win_gravity
= GDK_GRAVITY_STATIC
;
915 if (flags
& PPosition
) hint_flags
|= GDK_HINT_POS
;
916 if (flags
& USPosition
) hint_flags
|= GDK_HINT_USER_POS
;
917 if (flags
& USSize
) hint_flags
|= GDK_HINT_USER_SIZE
;
921 hint_flags
&= ~GDK_HINT_POS
;
922 hint_flags
|= GDK_HINT_USER_POS
;
927 gtk_window_set_geometry_hints (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f
)),
928 FRAME_GTK_OUTER_WIDGET (f
),
932 f
->output_data
.x
->size_hints
= size_hints
;
933 f
->output_data
.x
->hint_flags
= hint_flags
;
938 /* Change background color of a frame.
939 Since GTK uses the background colour to clear the window, we must
940 keep the GTK and X colors in sync.
941 F is the frame to change,
942 BG is the pixel value to change to. */
945 xg_set_background_color (f
, bg
)
949 if (FRAME_GTK_WIDGET (f
))
954 xg_pix_to_gcolor (FRAME_GTK_WIDGET (f
), bg
, &gdk_bg
);
955 gtk_widget_modify_bg (FRAME_GTK_WIDGET (f
), GTK_STATE_NORMAL
, &gdk_bg
);
961 /* Set the frame icon to ICON_PIXMAP/MASK. This must be done with GTK
962 functions so GTK does not overwrite the icon. */
965 xg_set_frame_icon (f
, icon_pixmap
, icon_mask
)
970 GdkDisplay
*gdpy
= gdk_x11_lookup_xdisplay (FRAME_X_DISPLAY (f
));
971 GdkPixmap
*gpix
= gdk_pixmap_foreign_new_for_display (gdpy
, icon_pixmap
);
972 GdkPixmap
*gmask
= gdk_pixmap_foreign_new_for_display (gdpy
, icon_mask
);
973 GdkPixbuf
*gp
= xg_get_pixbuf_from_pix_and_mask (gpix
, gmask
, NULL
);
975 gtk_window_set_icon (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f
)), gp
);
980 /***********************************************************************
982 ***********************************************************************/
983 /* Return the dialog title to use for a dialog of type KEY.
984 This is the encoding used by lwlib. We use the same for GTK. */
987 get_dialog_title (char key
)
997 title
= "Information";
1016 /* Callback for dialogs that get WM_DELETE_WINDOW. We pop down
1017 the dialog, but return TRUE so the event does not propagate further
1018 in GTK. This prevents GTK from destroying the dialog widget automatically
1019 and we can always destrou the widget manually, regardles of how
1020 it was popped down (button press or WM_DELETE_WINDOW).
1021 W is the dialog widget.
1022 EVENT is the GdkEvent that represents WM_DELETE_WINDOW (not used).
1023 user_data is NULL (not used).
1025 Returns TRUE to end propagation of event. */
1028 dialog_delete_callback (w
, event
, user_data
)
1033 gtk_widget_unmap (w
);
1037 /* Create a popup dialog window. See also xg_create_widget below.
1038 WV is a widget_value describing the dialog.
1039 SELECT_CB is the callback to use when a button has been pressed.
1040 DEACTIVATE_CB is the callback to use when the dialog pops down.
1042 Returns the GTK dialog widget. */
1045 create_dialog (wv
, select_cb
, deactivate_cb
)
1047 GCallback select_cb
;
1048 GCallback deactivate_cb
;
1050 char *title
= get_dialog_title (wv
->name
[0]);
1051 int total_buttons
= wv
->name
[1] - '0';
1052 int right_buttons
= wv
->name
[4] - '0';
1055 int button_spacing
= 10;
1056 GtkWidget
*wdialog
= gtk_dialog_new ();
1060 GtkWidget
*whbox_up
;
1061 GtkWidget
*whbox_down
;
1063 /* If the number of buttons is greater than 4, make two rows of buttons
1064 instead. This looks better. */
1065 int make_two_rows
= total_buttons
> 4;
1067 if (right_buttons
== 0) right_buttons
= total_buttons
/2;
1068 left_buttons
= total_buttons
- right_buttons
;
1070 gtk_window_set_title (GTK_WINDOW (wdialog
), title
);
1071 gtk_widget_set_name (wdialog
, "emacs-dialog");
1073 cur_box
= GTK_BOX (GTK_DIALOG (wdialog
)->action_area
);
1077 wvbox
= gtk_vbox_new (TRUE
, button_spacing
);
1078 whbox_up
= gtk_hbox_new (FALSE
, 0);
1079 whbox_down
= gtk_hbox_new (FALSE
, 0);
1081 gtk_box_pack_start (cur_box
, wvbox
, FALSE
, FALSE
, 0);
1082 gtk_box_pack_start (GTK_BOX (wvbox
), whbox_up
, FALSE
, FALSE
, 0);
1083 gtk_box_pack_start (GTK_BOX (wvbox
), whbox_down
, FALSE
, FALSE
, 0);
1085 cur_box
= GTK_BOX (whbox_up
);
1088 g_signal_connect (G_OBJECT (wdialog
), "delete-event",
1089 G_CALLBACK (dialog_delete_callback
), 0);
1093 g_signal_connect (G_OBJECT (wdialog
), "close", deactivate_cb
, 0);
1094 g_signal_connect (G_OBJECT (wdialog
), "response", deactivate_cb
, 0);
1097 for (item
= wv
->contents
; item
; item
= item
->next
)
1099 char *utf8_label
= get_utf8_string (item
->value
);
1103 if (item
->name
&& strcmp (item
->name
, "message") == 0)
1105 /* This is the text part of the dialog. */
1106 w
= gtk_label_new (utf8_label
);
1107 gtk_box_pack_start (GTK_BOX (GTK_DIALOG (wdialog
)->vbox
),
1110 gtk_box_pack_start (GTK_BOX (GTK_DIALOG (wdialog
)->vbox
), w
,
1112 gtk_misc_set_alignment (GTK_MISC (w
), 0.1, 0.5);
1114 /* Try to make dialog look better. Must realize first so
1115 the widget can calculate the size it needs. */
1116 gtk_widget_realize (w
);
1117 gtk_widget_size_request (w
, &req
);
1118 gtk_box_set_spacing (GTK_BOX (GTK_DIALOG (wdialog
)->vbox
),
1120 if (item
->value
&& strlen (item
->value
) > 0)
1121 button_spacing
= 2*req
.width
/strlen (item
->value
);
1125 /* This is one button to add to the dialog. */
1126 w
= gtk_button_new_with_label (utf8_label
);
1127 if (! item
->enabled
)
1128 gtk_widget_set_sensitive (w
, FALSE
);
1130 g_signal_connect (G_OBJECT (w
), "clicked",
1131 select_cb
, item
->call_data
);
1133 gtk_box_pack_start (cur_box
, w
, TRUE
, TRUE
, button_spacing
);
1134 if (++button_nr
== left_buttons
)
1137 cur_box
= GTK_BOX (whbox_down
);
1139 gtk_box_pack_start (cur_box
,
1146 if (utf8_label
&& utf8_label
!= item
->value
)
1147 g_free (utf8_label
);
1155 /***********************************************************************
1156 File dialog functions
1157 ***********************************************************************/
1158 /* Return non-zero if the old file selection dialog is being used.
1159 Return zero if not. */
1162 xg_uses_old_file_dialog ()
1164 #ifdef HAVE_GTK_FILE_BOTH
1165 extern int x_use_old_gtk_file_dialog
;
1166 return x_use_old_gtk_file_dialog
;
1167 #else /* ! HAVE_GTK_FILE_BOTH */
1169 #ifdef HAVE_GTK_FILE_SELECTION_NEW
1175 #endif /* ! HAVE_GTK_FILE_BOTH */
1179 /* Function that is called when the file dialog pops down.
1180 W is the dialog widget, RESPONSE is the response code.
1181 USER_DATA is what we passed in to g_signal_connect (pointer to int). */
1184 xg_file_response_cb (w
,
1191 int *ptr
= (int *) user_data
;
1196 /* Destroy the dialog. This makes it pop down. */
1199 pop_down_file_dialog (arg
)
1202 struct Lisp_Save_Value
*p
= XSAVE_VALUE (arg
);
1204 gtk_widget_destroy (GTK_WIDGET (p
->pointer
));
1209 typedef char * (*xg_get_file_func
) P_ ((GtkWidget
*));
1211 #ifdef HAVE_GTK_FILE_CHOOSER_DIALOG_NEW
1213 /* Return the selected file for file chooser dialog W.
1214 The returned string must be free:d. */
1217 xg_get_file_name_from_chooser (w
)
1220 return gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (w
));
1223 /* Read a file name from the user using a file chooser dialog.
1224 F is the current frame.
1225 PROMPT is a prompt to show to the user. May not be NULL.
1226 DEFAULT_FILENAME is a default selection to be displayed. May be NULL.
1227 If MUSTMATCH_P is non-zero, the returned file name must be an existing
1228 file. *FUNC is set to a function that can be used to retrieve the
1229 selected file name from the returned widget.
1231 Returns the created widget. */
1234 xg_get_file_with_chooser (f
, prompt
, default_filename
,
1235 mustmatch_p
, only_dir_p
, func
)
1238 char *default_filename
;
1239 int mustmatch_p
, only_dir_p
;
1240 xg_get_file_func
*func
;
1243 GtkWindow
*gwin
= GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f
));
1244 GtkFileChooserAction action
= (mustmatch_p
?
1245 GTK_FILE_CHOOSER_ACTION_OPEN
:
1246 GTK_FILE_CHOOSER_ACTION_SAVE
);
1249 action
= GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER
;
1251 filewin
= gtk_file_chooser_dialog_new (prompt
, gwin
, action
,
1252 GTK_STOCK_CANCEL
, GTK_RESPONSE_CANCEL
,
1253 (mustmatch_p
|| only_dir_p
?
1254 GTK_STOCK_OPEN
: GTK_STOCK_OK
),
1257 gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (filewin
), TRUE
);
1259 if (default_filename
)
1262 struct gcpro gcpro1
;
1265 file
= build_string (default_filename
);
1267 /* File chooser does not understand ~/... in the file name. It must be
1268 an absolute name starting with /. */
1269 if (default_filename
[0] != '/')
1270 file
= Fexpand_file_name (file
, Qnil
);
1272 default_filename
= SSDATA (file
);
1273 if (Ffile_directory_p (file
))
1274 gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (filewin
),
1277 gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (filewin
),
1283 *func
= xg_get_file_name_from_chooser
;
1286 #endif /* HAVE_GTK_FILE_CHOOSER_DIALOG_NEW */
1288 #ifdef HAVE_GTK_FILE_SELECTION_NEW
1290 /* Return the selected file for file selector dialog W.
1291 The returned string must be free:d. */
1294 xg_get_file_name_from_selector (w
)
1297 GtkFileSelection
*filesel
= GTK_FILE_SELECTION (w
);
1298 return xstrdup ((char*) gtk_file_selection_get_filename (filesel
));
1301 /* Create a file selection dialog.
1302 F is the current frame.
1303 PROMPT is a prompt to show to the user. May not be NULL.
1304 DEFAULT_FILENAME is a default selection to be displayed. May be NULL.
1305 If MUSTMATCH_P is non-zero, the returned file name must be an existing
1306 file. *FUNC is set to a function that can be used to retrieve the
1307 selected file name from the returned widget.
1309 Returns the created widget. */
1312 xg_get_file_with_selection (f
, prompt
, default_filename
,
1313 mustmatch_p
, only_dir_p
, func
)
1316 char *default_filename
;
1317 int mustmatch_p
, only_dir_p
;
1318 xg_get_file_func
*func
;
1321 GtkFileSelection
*filesel
;
1323 filewin
= gtk_file_selection_new (prompt
);
1324 filesel
= GTK_FILE_SELECTION (filewin
);
1326 if (default_filename
)
1327 gtk_file_selection_set_filename (filesel
, default_filename
);
1331 /* The selection_entry part of filesel is not documented. */
1332 gtk_widget_set_sensitive (filesel
->selection_entry
, FALSE
);
1333 gtk_file_selection_hide_fileop_buttons (filesel
);
1336 *func
= xg_get_file_name_from_selector
;
1340 #endif /* HAVE_GTK_FILE_SELECTION_NEW */
1342 /* Read a file name from the user using a file dialog, either the old
1343 file selection dialog, or the new file chooser dialog. Which to use
1344 depends on what the GTK version used has, and what the value of
1345 gtk-use-old-file-dialog.
1346 F is the current frame.
1347 PROMPT is a prompt to show to the user. May not be NULL.
1348 DEFAULT_FILENAME is a default selection to be displayed. May be NULL.
1349 If MUSTMATCH_P is non-zero, the returned file name must be an existing
1352 Returns a file name or NULL if no file was selected.
1353 The returned string must be freed by the caller. */
1356 xg_get_file_name (f
, prompt
, default_filename
, mustmatch_p
, only_dir_p
)
1359 char *default_filename
;
1360 int mustmatch_p
, only_dir_p
;
1363 int count
= SPECPDL_INDEX ();
1365 int filesel_done
= 0;
1366 xg_get_file_func func
;
1368 #if defined (HAVE_GTK_AND_PTHREAD) && defined (__SIGRTMIN)
1369 /* I really don't know why this is needed, but without this the GLIBC add on
1370 library linuxthreads hangs when the Gnome file chooser backend creates
1372 sigblock (sigmask (__SIGRTMIN
));
1373 #endif /* HAVE_GTK_AND_PTHREAD */
1375 #ifdef HAVE_GTK_FILE_BOTH
1377 if (xg_uses_old_file_dialog ())
1378 w
= xg_get_file_with_selection (f
, prompt
, default_filename
,
1379 mustmatch_p
, only_dir_p
, &func
);
1381 w
= xg_get_file_with_chooser (f
, prompt
, default_filename
,
1382 mustmatch_p
, only_dir_p
, &func
);
1384 #else /* not HAVE_GTK_FILE_BOTH */
1386 #ifdef HAVE_GTK_FILE_SELECTION_NEW
1387 w
= xg_get_file_with_selection (f
, prompt
, default_filename
,
1388 mustmatch_p
, only_dir_p
, &func
);
1390 #ifdef HAVE_GTK_FILE_CHOOSER_DIALOG_NEW
1391 w
= xg_get_file_with_chooser (f
, prompt
, default_filename
,
1392 mustmatch_p
, only_dir_p
, &func
);
1395 #endif /* HAVE_GTK_FILE_BOTH */
1397 xg_set_screen (w
, f
);
1398 gtk_widget_set_name (w
, "emacs-filedialog");
1399 gtk_window_set_transient_for (GTK_WINDOW (w
),
1400 GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f
)));
1401 gtk_window_set_destroy_with_parent (GTK_WINDOW (w
), TRUE
);
1402 gtk_window_set_modal (GTK_WINDOW (w
), TRUE
);
1404 g_signal_connect (G_OBJECT (w
),
1406 G_CALLBACK (xg_file_response_cb
),
1409 /* Don't destroy the widget if closed by the window manager close button. */
1410 g_signal_connect (G_OBJECT (w
), "delete-event", G_CALLBACK (gtk_true
), NULL
);
1412 gtk_widget_show (w
);
1414 record_unwind_protect (pop_down_file_dialog
, make_save_value (w
, 0));
1415 while (! filesel_done
)
1417 x_menu_wait_for_event (0);
1418 gtk_main_iteration ();
1421 #if defined (HAVE_GTK_AND_PTHREAD) && defined (__SIGRTMIN)
1422 sigunblock (sigmask (__SIGRTMIN
));
1425 if (filesel_done
== GTK_RESPONSE_OK
)
1428 unbind_to (count
, Qnil
);
1434 /***********************************************************************
1436 ***********************************************************************/
1438 /* The name of menu items that can be used for citomization. Since GTK
1439 RC files are very crude and primitive, we have to set this on all
1440 menu item names so a user can easily cutomize menu items. */
1442 #define MENU_ITEM_NAME "emacs-menuitem"
1445 /* Linked list of all allocated struct xg_menu_cb_data. Used for marking
1446 during GC. The next member points to the items. */
1447 static xg_list_node xg_menu_cb_list
;
1449 /* Linked list of all allocated struct xg_menu_item_cb_data. Used for marking
1450 during GC. The next member points to the items. */
1451 static xg_list_node xg_menu_item_cb_list
;
1453 /* Allocate and initialize CL_DATA if NULL, otherwise increase ref_count.
1454 F is the frame CL_DATA will be initialized for.
1455 HIGHLIGHT_CB is the callback to call when entering/leaving menu items.
1457 The menu bar and all sub menus under the menu bar in a frame
1458 share the same structure, hence the reference count.
1460 Returns CL_DATA if CL_DATA is not NULL, or a pointer to a newly
1461 allocated xg_menu_cb_data if CL_DATA is NULL. */
1463 static xg_menu_cb_data
*
1464 make_cl_data (cl_data
, f
, highlight_cb
)
1465 xg_menu_cb_data
*cl_data
;
1467 GCallback highlight_cb
;
1471 cl_data
= (xg_menu_cb_data
*) xmalloc (sizeof (*cl_data
));
1473 cl_data
->menu_bar_vector
= f
->menu_bar_vector
;
1474 cl_data
->menu_bar_items_used
= f
->menu_bar_items_used
;
1475 cl_data
->highlight_cb
= highlight_cb
;
1476 cl_data
->ref_count
= 0;
1478 xg_list_insert (&xg_menu_cb_list
, &cl_data
->ptrs
);
1481 cl_data
->ref_count
++;
1486 /* Update CL_DATA with values from frame F and with HIGHLIGHT_CB.
1487 HIGHLIGHT_CB is the callback to call when entering/leaving menu items.
1489 When the menu bar is updated, menu items may have been added and/or
1490 removed, so menu_bar_vector and menu_bar_items_used change. We must
1491 then update CL_DATA since it is used to determine which menu
1492 item that is invoked in the menu.
1493 HIGHLIGHT_CB could change, there is no check that the same
1494 function is given when modifying a menu bar as was given when
1495 creating the menu bar. */
1498 update_cl_data (cl_data
, f
, highlight_cb
)
1499 xg_menu_cb_data
*cl_data
;
1501 GCallback highlight_cb
;
1506 cl_data
->menu_bar_vector
= f
->menu_bar_vector
;
1507 cl_data
->menu_bar_items_used
= f
->menu_bar_items_used
;
1508 cl_data
->highlight_cb
= highlight_cb
;
1512 /* Decrease reference count for CL_DATA.
1513 If reference count is zero, free CL_DATA. */
1516 unref_cl_data (cl_data
)
1517 xg_menu_cb_data
*cl_data
;
1519 if (cl_data
&& cl_data
->ref_count
> 0)
1521 cl_data
->ref_count
--;
1522 if (cl_data
->ref_count
== 0)
1524 xg_list_remove (&xg_menu_cb_list
, &cl_data
->ptrs
);
1530 /* Function that marks all lisp data during GC. */
1537 for (iter
= xg_menu_cb_list
.next
; iter
; iter
= iter
->next
)
1538 mark_object (((xg_menu_cb_data
*) iter
)->menu_bar_vector
);
1540 for (iter
= xg_menu_item_cb_list
.next
; iter
; iter
= iter
->next
)
1542 xg_menu_item_cb_data
*cb_data
= (xg_menu_item_cb_data
*) iter
;
1544 if (! NILP (cb_data
->help
))
1545 mark_object (cb_data
->help
);
1550 /* Callback called when a menu item is destroyed. Used to free data.
1551 W is the widget that is being destroyed (not used).
1552 CLIENT_DATA points to the xg_menu_item_cb_data associated with the W. */
1555 menuitem_destroy_callback (w
, client_data
)
1557 gpointer client_data
;
1561 xg_menu_item_cb_data
*data
= (xg_menu_item_cb_data
*) client_data
;
1562 xg_list_remove (&xg_menu_item_cb_list
, &data
->ptrs
);
1567 /* Callback called when the pointer enters/leaves a menu item.
1569 EVENT is either an enter event or leave event.
1570 CLIENT_DATA points to the xg_menu_item_cb_data associated with the W.
1572 Returns FALSE to tell GTK to keep processing this event. */
1575 menuitem_highlight_callback (w
, event
, client_data
)
1577 GdkEventCrossing
*event
;
1578 gpointer client_data
;
1582 xg_menu_item_cb_data
*data
= (xg_menu_item_cb_data
*) client_data
;
1583 gpointer call_data
= event
->type
== GDK_LEAVE_NOTIFY
? 0 : client_data
;
1585 if (! NILP (data
->help
) && data
->cl_data
->highlight_cb
)
1587 GtkCallback func
= (GtkCallback
) data
->cl_data
->highlight_cb
;
1588 (*func
) (w
, call_data
);
1595 /* Callback called when a menu is destroyed. Used to free data.
1596 W is the widget that is being destroyed (not used).
1597 CLIENT_DATA points to the xg_menu_cb_data associated with W. */
1600 menu_destroy_callback (w
, client_data
)
1602 gpointer client_data
;
1604 unref_cl_data ((xg_menu_cb_data
*) client_data
);
1607 /* Callback called when a menu does a grab or ungrab. That means the
1608 menu has been activated or deactivated.
1609 Used to start a timer so the small timeout the menus in GTK uses before
1610 popping down a menu is seen by Emacs (see xg_process_timeouts above).
1611 W is the widget that does the grab (not used).
1612 UNGRAB_P is TRUE if this is an ungrab, FALSE if it is a grab.
1613 CLIENT_DATA is NULL (not used). */
1616 menu_grab_callback (GtkWidget
*widget
,
1618 gpointer client_data
)
1620 /* Keep track of total number of grabs. */
1623 if (ungrab_p
) cnt
--;
1626 if (cnt
> 0 && ! xg_timer
) xg_start_timer ();
1627 else if (cnt
== 0 && xg_timer
) xg_stop_timer ();
1630 /* Make a GTK widget that contains both UTF8_LABEL and UTF8_KEY (both
1631 must be non-NULL) and can be inserted into a menu item.
1633 Returns the GtkHBox. */
1636 make_widget_for_menu_item (utf8_label
, utf8_key
)
1644 wbox
= gtk_hbox_new (FALSE
, 0);
1645 wlbl
= gtk_label_new (utf8_label
);
1646 wkey
= gtk_label_new (utf8_key
);
1648 gtk_misc_set_alignment (GTK_MISC (wlbl
), 0.0, 0.5);
1649 gtk_misc_set_alignment (GTK_MISC (wkey
), 0.0, 0.5);
1651 gtk_box_pack_start (GTK_BOX (wbox
), wlbl
, TRUE
, TRUE
, 0);
1652 gtk_box_pack_start (GTK_BOX (wbox
), wkey
, FALSE
, FALSE
, 0);
1654 gtk_widget_set_name (wlbl
, MENU_ITEM_NAME
);
1655 gtk_widget_set_name (wkey
, MENU_ITEM_NAME
);
1656 gtk_widget_set_name (wbox
, MENU_ITEM_NAME
);
1661 /* Make and return a menu item widget with the key to the right.
1662 UTF8_LABEL is the text for the menu item (GTK uses UTF8 internally).
1663 UTF8_KEY is the text representing the key binding.
1664 ITEM is the widget_value describing the menu item.
1666 GROUP is an in/out parameter. If the menu item to be created is not
1667 part of any radio menu group, *GROUP contains NULL on entry and exit.
1668 If the menu item to be created is part of a radio menu group, on entry
1669 *GROUP contains the group to use, or NULL if this is the first item
1670 in the group. On exit, *GROUP contains the radio item group.
1672 Unfortunately, keys don't line up as nicely as in Motif,
1673 but the MacOS X version doesn't either, so I guess that is OK. */
1676 make_menu_item (utf8_label
, utf8_key
, item
, group
)
1683 GtkWidget
*wtoadd
= 0;
1685 /* It has been observed that some menu items have a NULL name field.
1686 This will lead to this function being called with a NULL utf8_label.
1687 GTK crashes on that so we set a blank label. Why there is a NULL
1688 name remains to be investigated. */
1689 if (! utf8_label
) utf8_label
= " ";
1692 wtoadd
= make_widget_for_menu_item (utf8_label
, utf8_key
);
1694 if (item
->button_type
== BUTTON_TYPE_TOGGLE
)
1697 if (utf8_key
) w
= gtk_check_menu_item_new ();
1698 else w
= gtk_check_menu_item_new_with_label (utf8_label
);
1699 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w
), item
->selected
);
1701 else if (item
->button_type
== BUTTON_TYPE_RADIO
)
1703 if (utf8_key
) w
= gtk_radio_menu_item_new (*group
);
1704 else w
= gtk_radio_menu_item_new_with_label (*group
, utf8_label
);
1705 *group
= gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (w
));
1707 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w
), TRUE
);
1712 if (utf8_key
) w
= gtk_menu_item_new ();
1713 else w
= gtk_menu_item_new_with_label (utf8_label
);
1716 if (wtoadd
) gtk_container_add (GTK_CONTAINER (w
), wtoadd
);
1717 if (! item
->enabled
) gtk_widget_set_sensitive (w
, FALSE
);
1722 /* Return non-zero if LABEL specifies a separator (GTK only has one
1726 xg_separator_p (char *label
)
1728 if (! label
) return 0;
1729 else if (strlen (label
) > 3
1730 && strncmp (label
, "--", 2) == 0
1733 static char* separator_names
[] = {
1738 "single-dashed-line",
1739 "double-dashed-line",
1741 "shadow-etched-out",
1742 "shadow-etched-in-dash",
1743 "shadow-etched-out-dash",
1744 "shadow-double-etched-in",
1745 "shadow-double-etched-out",
1746 "shadow-double-etched-in-dash",
1747 "shadow-double-etched-out-dash",
1754 for (i
= 0; separator_names
[i
]; ++i
)
1755 if (strcmp (label
, separator_names
[i
]) == 0)
1760 /* Old-style separator, maybe. It's a separator if it contains
1762 while (*label
== '-')
1764 if (*label
== 0) return 1;
1770 static int xg_detached_menus
;
1772 /* Returns non-zero if there are detached menus. */
1775 xg_have_tear_offs ()
1777 return xg_detached_menus
> 0;
1780 /* Callback invoked when a detached menu window is removed. Here we
1781 decrease the xg_detached_menus count.
1782 WIDGET is the top level window that is removed (the parent of the menu).
1783 CLIENT_DATA is not used. */
1786 tearoff_remove (widget
, client_data
)
1788 gpointer client_data
;
1790 if (xg_detached_menus
> 0) --xg_detached_menus
;
1793 /* Callback invoked when a menu is detached. It increases the
1794 xg_detached_menus count.
1795 WIDGET is the GtkTearoffMenuItem.
1796 CLIENT_DATA is not used. */
1799 tearoff_activate (widget
, client_data
)
1801 gpointer client_data
;
1803 GtkWidget
*menu
= gtk_widget_get_parent (widget
);
1804 if (gtk_menu_get_tearoff_state (GTK_MENU (menu
)))
1806 ++xg_detached_menus
;
1807 g_signal_connect (G_OBJECT (gtk_widget_get_toplevel (widget
)),
1809 G_CALLBACK (tearoff_remove
), 0);
1814 /* Create a menu item widget, and connect the callbacks.
1815 ITEM decribes the menu item.
1816 F is the frame the created menu belongs to.
1817 SELECT_CB is the callback to use when a menu item is selected.
1818 HIGHLIGHT_CB is the callback to call when entering/leaving menu items.
1819 CL_DATA points to the callback data to be used for this menu.
1820 GROUP is an in/out parameter. If the menu item to be created is not
1821 part of any radio menu group, *GROUP contains NULL on entry and exit.
1822 If the menu item to be created is part of a radio menu group, on entry
1823 *GROUP contains the group to use, or NULL if this is the first item
1824 in the group. On exit, *GROUP contains the radio item group.
1826 Returns the created GtkWidget. */
1829 xg_create_one_menuitem (item
, f
, select_cb
, highlight_cb
, cl_data
, group
)
1832 GCallback select_cb
;
1833 GCallback highlight_cb
;
1834 xg_menu_cb_data
*cl_data
;
1840 xg_menu_item_cb_data
*cb_data
;
1842 utf8_label
= get_utf8_string (item
->name
);
1843 utf8_key
= get_utf8_string (item
->key
);
1845 w
= make_menu_item (utf8_label
, utf8_key
, item
, group
);
1847 if (utf8_label
&& utf8_label
!= item
->name
) g_free (utf8_label
);
1848 if (utf8_key
&& utf8_key
!= item
->key
) g_free (utf8_key
);
1850 cb_data
= xmalloc (sizeof (xg_menu_item_cb_data
));
1852 xg_list_insert (&xg_menu_item_cb_list
, &cb_data
->ptrs
);
1854 cb_data
->unhighlight_id
= cb_data
->highlight_id
= cb_data
->select_id
= 0;
1855 cb_data
->help
= item
->help
;
1856 cb_data
->cl_data
= cl_data
;
1857 cb_data
->call_data
= item
->call_data
;
1859 g_signal_connect (G_OBJECT (w
),
1861 G_CALLBACK (menuitem_destroy_callback
),
1864 /* Put cb_data in widget, so we can get at it when modifying menubar */
1865 g_object_set_data (G_OBJECT (w
), XG_ITEM_DATA
, cb_data
);
1867 /* final item, not a submenu */
1868 if (item
->call_data
&& ! item
->contents
)
1872 = g_signal_connect (G_OBJECT (w
), "activate", select_cb
, cb_data
);
1875 if (! NILP (item
->help
) && highlight_cb
)
1877 /* We use enter/leave notify instead of select/deselect because
1878 select/deselect doesn't go well with detached menus. */
1879 cb_data
->highlight_id
1880 = g_signal_connect (G_OBJECT (w
),
1881 "enter-notify-event",
1882 G_CALLBACK (menuitem_highlight_callback
),
1884 cb_data
->unhighlight_id
1885 = g_signal_connect (G_OBJECT (w
),
1886 "leave-notify-event",
1887 G_CALLBACK (menuitem_highlight_callback
),
1894 static GtkWidget
*create_menus
P_ ((widget_value
*, FRAME_PTR
, GCallback
,
1895 GCallback
, GCallback
, int, int, int,
1896 GtkWidget
*, xg_menu_cb_data
*, char *));
1898 /* Create a full menu tree specified by DATA.
1899 F is the frame the created menu belongs to.
1900 SELECT_CB is the callback to use when a menu item is selected.
1901 DEACTIVATE_CB is the callback to use when a sub menu is not shown anymore.
1902 HIGHLIGHT_CB is the callback to call when entering/leaving menu items.
1903 POP_UP_P is non-zero if we shall create a popup menu.
1904 MENU_BAR_P is non-zero if we shall create a menu bar.
1905 ADD_TEAROFF_P is non-zero if we shall add a teroff menu item. Ignored
1906 if MENU_BAR_P is non-zero.
1907 TOPMENU is the topmost GtkWidget that others shall be placed under.
1908 It may be NULL, in that case we create the appropriate widget
1909 (menu bar or menu item depending on POP_UP_P and MENU_BAR_P)
1910 CL_DATA is the callback data we shall use for this menu, or NULL
1911 if we haven't set the first callback yet.
1912 NAME is the name to give to the top level menu if this function
1913 creates it. May be NULL to not set any name.
1915 Returns the top level GtkWidget. This is TOPLEVEL if TOPLEVEL is
1918 This function calls itself to create submenus. */
1921 create_menus (data
, f
, select_cb
, deactivate_cb
, highlight_cb
,
1922 pop_up_p
, menu_bar_p
, add_tearoff_p
, topmenu
, cl_data
, name
)
1925 GCallback select_cb
;
1926 GCallback deactivate_cb
;
1927 GCallback highlight_cb
;
1932 xg_menu_cb_data
*cl_data
;
1936 GtkWidget
*wmenu
= topmenu
;
1937 GSList
*group
= NULL
;
1943 wmenu
= gtk_menu_new ();
1944 xg_set_screen (wmenu
, f
);
1946 else wmenu
= gtk_menu_bar_new ();
1948 /* Put cl_data on the top menu for easier access. */
1949 cl_data
= make_cl_data (cl_data
, f
, highlight_cb
);
1950 g_object_set_data (G_OBJECT (wmenu
), XG_FRAME_DATA
, (gpointer
)cl_data
);
1951 g_signal_connect (G_OBJECT (wmenu
), "destroy",
1952 G_CALLBACK (menu_destroy_callback
), cl_data
);
1955 gtk_widget_set_name (wmenu
, name
);
1958 g_signal_connect (G_OBJECT (wmenu
),
1959 "selection-done", deactivate_cb
, 0);
1961 g_signal_connect (G_OBJECT (wmenu
),
1962 "grab-notify", G_CALLBACK (menu_grab_callback
), 0);
1965 if (! menu_bar_p
&& add_tearoff_p
)
1967 GtkWidget
*tearoff
= gtk_tearoff_menu_item_new ();
1968 gtk_menu_shell_append (GTK_MENU_SHELL (wmenu
), tearoff
);
1970 g_signal_connect (G_OBJECT (tearoff
), "activate",
1971 G_CALLBACK (tearoff_activate
), 0);
1974 for (item
= data
; item
; item
= item
->next
)
1978 if (pop_up_p
&& !item
->contents
&& !item
->call_data
1979 && !xg_separator_p (item
->name
))
1982 /* A title for a popup. We do the same as GTK does when
1983 creating titles, but it does not look good. */
1985 utf8_label
= get_utf8_string (item
->name
);
1987 gtk_menu_set_title (GTK_MENU (wmenu
), utf8_label
);
1988 w
= gtk_menu_item_new_with_label (utf8_label
);
1989 gtk_widget_set_sensitive (w
, FALSE
);
1990 if (utf8_label
&& utf8_label
!= item
->name
) g_free (utf8_label
);
1992 else if (xg_separator_p (item
->name
))
1995 /* GTK only have one separator type. */
1996 w
= gtk_separator_menu_item_new ();
2000 w
= xg_create_one_menuitem (item
,
2002 item
->contents
? 0 : select_cb
,
2009 GtkWidget
*submenu
= create_menus (item
->contents
,
2020 gtk_menu_item_set_submenu (GTK_MENU_ITEM (w
), submenu
);
2024 gtk_menu_shell_append (GTK_MENU_SHELL (wmenu
), w
);
2025 gtk_widget_set_name (w
, MENU_ITEM_NAME
);
2031 /* Create a menubar, popup menu or dialog, depending on the TYPE argument.
2032 TYPE can be "menubar", "popup" for popup menu, or "dialog" for a dialog
2033 with some text and buttons.
2034 F is the frame the created item belongs to.
2035 NAME is the name to use for the top widget.
2036 VAL is a widget_value structure describing items to be created.
2037 SELECT_CB is the callback to use when a menu item is selected or
2038 a dialog button is pressed.
2039 DEACTIVATE_CB is the callback to use when an item is deactivated.
2040 For a menu, when a sub menu is not shown anymore, for a dialog it is
2041 called when the dialog is popped down.
2042 HIGHLIGHT_CB is the callback to call when entering/leaving menu items.
2044 Returns the widget created. */
2047 xg_create_widget (type
, name
, f
, val
,
2048 select_cb
, deactivate_cb
, highlight_cb
)
2053 GCallback select_cb
;
2054 GCallback deactivate_cb
;
2055 GCallback highlight_cb
;
2058 int menu_bar_p
= strcmp (type
, "menubar") == 0;
2059 int pop_up_p
= strcmp (type
, "popup") == 0;
2061 if (strcmp (type
, "dialog") == 0)
2063 w
= create_dialog (val
, select_cb
, deactivate_cb
);
2064 xg_set_screen (w
, f
);
2065 gtk_window_set_transient_for (GTK_WINDOW (w
),
2066 GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f
)));
2067 gtk_window_set_destroy_with_parent (GTK_WINDOW (w
), TRUE
);
2068 gtk_widget_set_name (w
, "emacs-dialog");
2069 gtk_window_set_modal (GTK_WINDOW (w
), TRUE
);
2071 else if (menu_bar_p
|| pop_up_p
)
2073 w
= create_menus (val
->contents
,
2085 /* Set the cursor to an arrow for popup menus when they are mapped.
2086 This is done by default for menu bar menus. */
2089 /* Must realize so the GdkWindow inside the widget is created. */
2090 gtk_widget_realize (w
);
2091 xg_set_cursor (w
, FRAME_X_DISPLAY_INFO (f
)->xg_cursor
);
2096 fprintf (stderr
, "bad type in xg_create_widget: %s, doing nothing\n",
2103 /* Return the label for menu item WITEM. */
2106 xg_get_menu_item_label (witem
)
2109 GtkLabel
*wlabel
= GTK_LABEL (gtk_bin_get_child (GTK_BIN (witem
)));
2110 return gtk_label_get_label (wlabel
);
2113 /* Return non-zero if the menu item WITEM has the text LABEL. */
2116 xg_item_label_same_p (witem
, label
)
2121 char *utf8_label
= get_utf8_string (label
);
2122 const char *old_label
= witem
? xg_get_menu_item_label (witem
) : 0;
2124 if (! old_label
&& ! utf8_label
)
2126 else if (old_label
&& utf8_label
)
2127 is_same
= strcmp (utf8_label
, old_label
) == 0;
2129 if (utf8_label
&& utf8_label
!= label
) g_free (utf8_label
);
2134 /* Destroy widgets in LIST. */
2137 xg_destroy_widgets (list
)
2142 for (iter
= list
; iter
; iter
= g_list_next (iter
))
2144 GtkWidget
*w
= GTK_WIDGET (iter
->data
);
2146 /* Destroying the widget will remove it from the container it is in. */
2147 gtk_widget_destroy (w
);
2151 /* Update the top level names in MENUBAR (i.e. not submenus).
2152 F is the frame the menu bar belongs to.
2153 *LIST is a list with the current menu bar names (menu item widgets).
2154 ITER is the item within *LIST that shall be updated.
2155 POS is the numerical position, starting at 0, of ITER in *LIST.
2156 VAL describes what the menu bar shall look like after the update.
2157 SELECT_CB is the callback to use when a menu item is selected.
2158 HIGHLIGHT_CB is the callback to call when entering/leaving menu items.
2159 CL_DATA points to the callback data to be used for this menu bar.
2161 This function calls itself to walk through the menu bar names. */
2164 xg_update_menubar (menubar
, f
, list
, iter
, pos
, val
,
2165 select_cb
, highlight_cb
, cl_data
)
2172 GCallback select_cb
;
2173 GCallback highlight_cb
;
2174 xg_menu_cb_data
*cl_data
;
2176 if (! iter
&& ! val
)
2178 else if (iter
&& ! val
)
2180 /* Item(s) have been removed. Remove all remaining items. */
2181 xg_destroy_widgets (iter
);
2187 else if (! iter
&& val
)
2189 /* Item(s) added. Add all new items in one call. */
2190 create_menus (val
, f
, select_cb
, 0, highlight_cb
,
2191 0, 1, 0, menubar
, cl_data
, 0);
2197 /* Below this neither iter or val is NULL */
2198 else if (xg_item_label_same_p (GTK_MENU_ITEM (iter
->data
), val
->name
))
2200 /* This item is still the same, check next item. */
2202 iter
= g_list_next (iter
);
2205 else /* This item is changed. */
2207 GtkMenuItem
*witem
= GTK_MENU_ITEM (iter
->data
);
2208 GtkMenuItem
*witem2
= 0;
2209 int val_in_menubar
= 0;
2210 int iter_in_new_menubar
= 0;
2214 /* See if the changed entry (val) is present later in the menu bar */
2216 iter2
&& ! val_in_menubar
;
2217 iter2
= g_list_next (iter2
))
2219 witem2
= GTK_MENU_ITEM (iter2
->data
);
2220 val_in_menubar
= xg_item_label_same_p (witem2
, val
->name
);
2223 /* See if the current entry (iter) is present later in the
2224 specification for the new menu bar. */
2225 for (cur
= val
; cur
&& ! iter_in_new_menubar
; cur
= cur
->next
)
2226 iter_in_new_menubar
= xg_item_label_same_p (witem
, cur
->name
);
2228 if (val_in_menubar
&& ! iter_in_new_menubar
)
2232 /* This corresponds to:
2237 gtk_widget_ref (GTK_WIDGET (witem
));
2238 gtk_container_remove (GTK_CONTAINER (menubar
), GTK_WIDGET (witem
));
2239 gtk_widget_destroy (GTK_WIDGET (witem
));
2241 /* Must get new list since the old changed. */
2242 g_list_free (*list
);
2243 *list
= iter
= gtk_container_get_children (GTK_CONTAINER (menubar
));
2244 while (nr
-- > 0) iter
= g_list_next (iter
);
2246 else if (! val_in_menubar
&& ! iter_in_new_menubar
)
2248 /* This corresponds to:
2251 Rename B to X. This might seem to be a strange thing to do,
2252 since if there is a menu under B it will be totally wrong for X.
2253 But consider editing a C file. Then there is a C-mode menu
2254 (corresponds to B above).
2255 If then doing C-x C-f the minibuf menu (X above) replaces the
2256 C-mode menu. When returning from the minibuffer, we get
2257 back the C-mode menu. Thus we do:
2258 Rename B to X (C-mode to minibuf menu)
2259 Rename X to B (minibuf to C-mode menu).
2260 If the X menu hasn't been invoked, the menu under B
2261 is up to date when leaving the minibuffer. */
2262 GtkLabel
*wlabel
= GTK_LABEL (gtk_bin_get_child (GTK_BIN (witem
)));
2263 char *utf8_label
= get_utf8_string (val
->name
);
2264 GtkWidget
*submenu
= gtk_menu_item_get_submenu (witem
);
2266 gtk_label_set_text (wlabel
, utf8_label
);
2268 /* If this item has a submenu that has been detached, change
2269 the title in the WM decorations also. */
2270 if (submenu
&& gtk_menu_get_tearoff_state (GTK_MENU (submenu
)))
2271 /* Set the title of the detached window. */
2272 gtk_menu_set_title (GTK_MENU (submenu
), utf8_label
);
2274 iter
= g_list_next (iter
);
2278 else if (! val_in_menubar
&& iter_in_new_menubar
)
2280 /* This corresponds to:
2287 GtkWidget
*w
= xg_create_one_menuitem (val
,
2294 gtk_widget_set_name (w
, MENU_ITEM_NAME
);
2295 gtk_menu_shell_insert (GTK_MENU_SHELL (menubar
), w
, pos
);
2297 g_list_free (*list
);
2298 *list
= iter
= gtk_container_get_children (GTK_CONTAINER (menubar
));
2299 while (nr
-- > 0) iter
= g_list_next (iter
);
2300 iter
= g_list_next (iter
);
2304 else /* if (val_in_menubar && iter_in_new_menubar) */
2307 /* This corresponds to:
2312 gtk_widget_ref (GTK_WIDGET (witem2
));
2313 gtk_container_remove (GTK_CONTAINER (menubar
), GTK_WIDGET (witem2
));
2314 gtk_menu_shell_insert (GTK_MENU_SHELL (menubar
),
2315 GTK_WIDGET (witem2
), pos
);
2316 gtk_widget_unref (GTK_WIDGET (witem2
));
2318 g_list_free (*list
);
2319 *list
= iter
= gtk_container_get_children (GTK_CONTAINER (menubar
));
2320 while (nr
-- > 0) iter
= g_list_next (iter
);
2326 /* Update the rest of the menu bar. */
2327 xg_update_menubar (menubar
, f
, list
, iter
, pos
, val
,
2328 select_cb
, highlight_cb
, cl_data
);
2331 /* Update the menu item W so it corresponds to VAL.
2332 SELECT_CB is the callback to use when a menu item is selected.
2333 HIGHLIGHT_CB is the callback to call when entering/leaving menu items.
2334 CL_DATA is the data to set in the widget for menu invokation. */
2337 xg_update_menu_item (val
, w
, select_cb
, highlight_cb
, cl_data
)
2340 GCallback select_cb
;
2341 GCallback highlight_cb
;
2342 xg_menu_cb_data
*cl_data
;
2349 const char *old_label
= 0;
2350 const char *old_key
= 0;
2351 xg_menu_item_cb_data
*cb_data
;
2353 wchild
= gtk_bin_get_child (GTK_BIN (w
));
2354 utf8_label
= get_utf8_string (val
->name
);
2355 utf8_key
= get_utf8_string (val
->key
);
2357 /* See if W is a menu item with a key. See make_menu_item above. */
2358 if (GTK_IS_HBOX (wchild
))
2360 GList
*list
= gtk_container_get_children (GTK_CONTAINER (wchild
));
2362 wlbl
= GTK_LABEL (list
->data
);
2363 wkey
= GTK_LABEL (list
->next
->data
);
2368 /* Remove the key and keep just the label. */
2369 gtk_widget_ref (GTK_WIDGET (wlbl
));
2370 gtk_container_remove (GTK_CONTAINER (w
), wchild
);
2371 gtk_container_add (GTK_CONTAINER (w
), GTK_WIDGET (wlbl
));
2376 else /* Just a label. */
2378 wlbl
= GTK_LABEL (wchild
);
2380 /* Check if there is now a key. */
2383 GtkWidget
*wtoadd
= make_widget_for_menu_item (utf8_label
, utf8_key
);
2384 GList
*list
= gtk_container_get_children (GTK_CONTAINER (wtoadd
));
2386 wlbl
= GTK_LABEL (list
->data
);
2387 wkey
= GTK_LABEL (list
->next
->data
);
2390 gtk_container_remove (GTK_CONTAINER (w
), wchild
);
2391 gtk_container_add (GTK_CONTAINER (w
), wtoadd
);
2396 if (wkey
) old_key
= gtk_label_get_label (wkey
);
2397 if (wlbl
) old_label
= gtk_label_get_label (wlbl
);
2399 if (wkey
&& utf8_key
&& (! old_key
|| strcmp (utf8_key
, old_key
) != 0))
2400 gtk_label_set_text (wkey
, utf8_key
);
2402 if (! old_label
|| strcmp (utf8_label
, old_label
) != 0)
2403 gtk_label_set_text (wlbl
, utf8_label
);
2405 if (utf8_key
&& utf8_key
!= val
->key
) g_free (utf8_key
);
2406 if (utf8_label
&& utf8_label
!= val
->name
) g_free (utf8_label
);
2408 if (! val
->enabled
&& GTK_WIDGET_SENSITIVE (w
))
2409 gtk_widget_set_sensitive (w
, FALSE
);
2410 else if (val
->enabled
&& ! GTK_WIDGET_SENSITIVE (w
))
2411 gtk_widget_set_sensitive (w
, TRUE
);
2413 cb_data
= (xg_menu_item_cb_data
*) g_object_get_data (G_OBJECT (w
),
2417 cb_data
->call_data
= val
->call_data
;
2418 cb_data
->help
= val
->help
;
2419 cb_data
->cl_data
= cl_data
;
2421 /* We assume the callback functions don't change. */
2422 if (val
->call_data
&& ! val
->contents
)
2424 /* This item shall have a select callback. */
2425 if (! cb_data
->select_id
)
2427 = g_signal_connect (G_OBJECT (w
), "activate",
2428 select_cb
, cb_data
);
2430 else if (cb_data
->select_id
)
2432 g_signal_handler_disconnect (w
, cb_data
->select_id
);
2433 cb_data
->select_id
= 0;
2436 if (NILP (cb_data
->help
))
2438 /* Shall not have help. Remove if any existed previously. */
2439 if (cb_data
->highlight_id
)
2441 g_signal_handler_disconnect (G_OBJECT (w
),
2442 cb_data
->highlight_id
);
2443 cb_data
->highlight_id
= 0;
2445 if (cb_data
->unhighlight_id
)
2447 g_signal_handler_disconnect (G_OBJECT (w
),
2448 cb_data
->unhighlight_id
);
2449 cb_data
->unhighlight_id
= 0;
2452 else if (! cb_data
->highlight_id
&& highlight_cb
)
2454 /* Have help now, but didn't previously. Add callback. */
2455 cb_data
->highlight_id
2456 = g_signal_connect (G_OBJECT (w
),
2457 "enter-notify-event",
2458 G_CALLBACK (menuitem_highlight_callback
),
2460 cb_data
->unhighlight_id
2461 = g_signal_connect (G_OBJECT (w
),
2462 "leave-notify-event",
2463 G_CALLBACK (menuitem_highlight_callback
),
2469 /* Update the toggle menu item W so it corresponds to VAL. */
2472 xg_update_toggle_item (val
, w
)
2476 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w
), val
->selected
);
2479 /* Update the radio menu item W so it corresponds to VAL. */
2482 xg_update_radio_item (val
, w
)
2486 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w
), val
->selected
);
2489 /* Update the sub menu SUBMENU and all its children so it corresponds to VAL.
2490 SUBMENU may be NULL, in that case a new menu is created.
2491 F is the frame the menu bar belongs to.
2492 VAL describes the contents of the menu bar.
2493 SELECT_CB is the callback to use when a menu item is selected.
2494 DEACTIVATE_CB is the callback to use when a sub menu is not shown anymore.
2495 HIGHLIGHT_CB is the callback to call when entering/leaving menu items.
2496 CL_DATA is the call back data to use for any newly created items.
2498 Returns the updated submenu widget, that is SUBMENU unless SUBMENU
2502 xg_update_submenu (submenu
, f
, val
,
2503 select_cb
, deactivate_cb
, highlight_cb
, cl_data
)
2507 GCallback select_cb
;
2508 GCallback deactivate_cb
;
2509 GCallback highlight_cb
;
2510 xg_menu_cb_data
*cl_data
;
2512 GtkWidget
*newsub
= submenu
;
2516 int has_tearoff_p
= 0;
2517 GList
*first_radio
= 0;
2520 list
= gtk_container_get_children (GTK_CONTAINER (submenu
));
2522 for (cur
= val
, iter
= list
;
2524 iter
= g_list_next (iter
), cur
= cur
->next
)
2526 GtkWidget
*w
= GTK_WIDGET (iter
->data
);
2528 /* Skip tearoff items, they have no counterpart in val. */
2529 if (GTK_IS_TEAROFF_MENU_ITEM (w
))
2532 iter
= g_list_next (iter
);
2533 if (iter
) w
= GTK_WIDGET (iter
->data
);
2537 /* Remember first radio button in a group. If we get a mismatch in
2538 a radio group we must rebuild the whole group so that the connections
2539 in GTK becomes correct. */
2540 if (cur
->button_type
== BUTTON_TYPE_RADIO
&& ! first_radio
)
2542 else if (cur
->button_type
!= BUTTON_TYPE_RADIO
2543 && ! GTK_IS_RADIO_MENU_ITEM (w
))
2546 if (GTK_IS_SEPARATOR_MENU_ITEM (w
))
2548 if (! xg_separator_p (cur
->name
))
2551 else if (GTK_IS_CHECK_MENU_ITEM (w
))
2553 if (cur
->button_type
!= BUTTON_TYPE_TOGGLE
)
2555 xg_update_toggle_item (cur
, w
);
2556 xg_update_menu_item (cur
, w
, select_cb
, highlight_cb
, cl_data
);
2558 else if (GTK_IS_RADIO_MENU_ITEM (w
))
2560 if (cur
->button_type
!= BUTTON_TYPE_RADIO
)
2562 xg_update_radio_item (cur
, w
);
2563 xg_update_menu_item (cur
, w
, select_cb
, highlight_cb
, cl_data
);
2565 else if (GTK_IS_MENU_ITEM (w
))
2567 GtkMenuItem
*witem
= GTK_MENU_ITEM (w
);
2570 if (cur
->button_type
!= BUTTON_TYPE_NONE
||
2571 xg_separator_p (cur
->name
))
2574 xg_update_menu_item (cur
, w
, select_cb
, highlight_cb
, cl_data
);
2576 sub
= gtk_menu_item_get_submenu (witem
);
2577 if (sub
&& ! cur
->contents
)
2579 /* Not a submenu anymore. */
2580 gtk_widget_ref (sub
);
2581 gtk_menu_item_remove_submenu (witem
);
2582 gtk_widget_destroy (sub
);
2584 else if (cur
->contents
)
2588 nsub
= xg_update_submenu (sub
, f
, cur
->contents
,
2589 select_cb
, deactivate_cb
,
2590 highlight_cb
, cl_data
);
2592 /* If this item just became a submenu, we must set it. */
2594 gtk_menu_item_set_submenu (witem
, nsub
);
2599 /* Structural difference. Remove everything from here and down
2605 /* Remove widgets from first structual change. */
2608 /* If we are adding new menu items below, we must remove from
2609 first radio button so that radio groups become correct. */
2610 if (cur
&& first_radio
) xg_destroy_widgets (first_radio
);
2611 else xg_destroy_widgets (iter
);
2616 /* More items added. Create them. */
2617 newsub
= create_menus (cur
,
2630 if (list
) g_list_free (list
);
2635 /* Update the MENUBAR.
2636 F is the frame the menu bar belongs to.
2637 VAL describes the contents of the menu bar.
2638 If DEEP_P is non-zero, rebuild all but the top level menu names in
2639 the MENUBAR. If DEEP_P is zero, just rebuild the names in the menubar.
2640 SELECT_CB is the callback to use when a menu item is selected.
2641 DEACTIVATE_CB is the callback to use when a sub menu is not shown anymore.
2642 HIGHLIGHT_CB is the callback to call when entering/leaving menu items. */
2645 xg_modify_menubar_widgets (menubar
, f
, val
, deep_p
,
2646 select_cb
, deactivate_cb
, highlight_cb
)
2651 GCallback select_cb
;
2652 GCallback deactivate_cb
;
2653 GCallback highlight_cb
;
2655 xg_menu_cb_data
*cl_data
;
2656 GList
*list
= gtk_container_get_children (GTK_CONTAINER (menubar
));
2660 cl_data
= (xg_menu_cb_data
*) g_object_get_data (G_OBJECT (menubar
),
2663 xg_update_menubar (menubar
, f
, &list
, list
, 0, val
->contents
,
2664 select_cb
, highlight_cb
, cl_data
);
2670 /* Update all sub menus.
2671 We must keep the submenus (GTK menu item widgets) since the
2672 X Window in the XEvent that activates the menu are those widgets. */
2674 /* Update cl_data, menu_item things in F may have changed. */
2675 update_cl_data (cl_data
, f
, highlight_cb
);
2677 for (cur
= val
->contents
; cur
; cur
= cur
->next
)
2684 /* Find sub menu that corresponds to val and update it. */
2685 for (iter
= list
; iter
; iter
= g_list_next (iter
))
2687 witem
= GTK_MENU_ITEM (iter
->data
);
2688 if (xg_item_label_same_p (witem
, cur
->name
))
2690 sub
= gtk_menu_item_get_submenu (witem
);
2695 newsub
= xg_update_submenu (sub
,
2702 /* sub may still be NULL. If we just updated non deep and added
2703 a new menu bar item, it has no sub menu yet. So we set the
2704 newly created sub menu under witem. */
2707 xg_set_screen (newsub
, f
);
2708 gtk_menu_item_set_submenu (witem
, newsub
);
2714 gtk_widget_show_all (menubar
);
2717 /* Recompute all the widgets of frame F, when the menu bar has been
2718 changed. Value is non-zero if widgets were updated. */
2721 xg_update_frame_menubar (f
)
2724 struct x_output
*x
= f
->output_data
.x
;
2727 if (!x
->menubar_widget
|| GTK_WIDGET_MAPPED (x
->menubar_widget
))
2732 gtk_box_pack_start (GTK_BOX (x
->vbox_widget
), x
->menubar_widget
,
2734 gtk_box_reorder_child (GTK_BOX (x
->vbox_widget
), x
->menubar_widget
, 0);
2736 gtk_widget_show_all (x
->menubar_widget
);
2737 gtk_widget_size_request (x
->menubar_widget
, &req
);
2739 FRAME_MENUBAR_HEIGHT (f
) = req
.height
;
2741 /* The height has changed, resize outer widget and set columns
2742 rows to what we had before adding the menu bar. */
2743 xg_resize_outer_widget (f
, FRAME_COLS (f
), FRAME_LINES (f
));
2745 SET_FRAME_GARBAGED (f
);
2751 /* Get rid of the menu bar of frame F, and free its storage.
2752 This is used when deleting a frame, and when turning off the menu bar. */
2755 free_frame_menubar (f
)
2758 struct x_output
*x
= f
->output_data
.x
;
2760 if (x
->menubar_widget
)
2764 gtk_container_remove (GTK_CONTAINER (x
->vbox_widget
), x
->menubar_widget
);
2765 /* The menubar and its children shall be deleted when removed from
2767 x
->menubar_widget
= 0;
2768 FRAME_MENUBAR_HEIGHT (f
) = 0;
2770 /* The height has changed, resize outer widget and set columns
2771 rows to what we had before removing the menu bar. */
2772 xg_resize_outer_widget (f
, FRAME_COLS (f
), FRAME_LINES (f
));
2774 SET_FRAME_GARBAGED (f
);
2781 /***********************************************************************
2782 Scroll bar functions
2783 ***********************************************************************/
2786 /* Setting scroll bar values invokes the callback. Use this variable
2787 to indicate that callback should do nothing. */
2789 int xg_ignore_gtk_scrollbar
;
2791 /* SET_SCROLL_BAR_X_WINDOW assumes the second argument fits in
2792 32 bits. But we want to store pointers, and they may be larger
2793 than 32 bits. Keep a mapping from integer index to widget pointers
2794 to get around the 32 bit limitation. */
2798 GtkWidget
**widgets
;
2803 /* Grow this much every time we need to allocate more */
2805 #define ID_TO_WIDGET_INCR 32
2807 /* Store the widget pointer W in id_to_widget and return the integer index. */
2810 xg_store_widget_in_map (w
)
2815 if (id_to_widget
.max_size
== id_to_widget
.used
)
2817 int new_size
= id_to_widget
.max_size
+ ID_TO_WIDGET_INCR
;
2819 id_to_widget
.widgets
= xrealloc (id_to_widget
.widgets
,
2820 sizeof (GtkWidget
*)*new_size
);
2822 for (i
= id_to_widget
.max_size
; i
< new_size
; ++i
)
2823 id_to_widget
.widgets
[i
] = 0;
2824 id_to_widget
.max_size
= new_size
;
2827 /* Just loop over the array and find a free place. After all,
2828 how many scroll bars are we creating? Should be a small number.
2829 The check above guarantees we will find a free place. */
2830 for (i
= 0; i
< id_to_widget
.max_size
; ++i
)
2832 if (! id_to_widget
.widgets
[i
])
2834 id_to_widget
.widgets
[i
] = w
;
2835 ++id_to_widget
.used
;
2841 /* Should never end up here */
2845 /* Remove pointer at IDX from id_to_widget.
2846 Called when scroll bar is destroyed. */
2849 xg_remove_widget_from_map (idx
)
2852 if (idx
< id_to_widget
.max_size
&& id_to_widget
.widgets
[idx
] != 0)
2854 id_to_widget
.widgets
[idx
] = 0;
2855 --id_to_widget
.used
;
2859 /* Get the widget pointer at IDX from id_to_widget. */
2862 xg_get_widget_from_map (idx
)
2865 if (idx
< id_to_widget
.max_size
&& id_to_widget
.widgets
[idx
] != 0)
2866 return id_to_widget
.widgets
[idx
];
2871 /* Return the scrollbar id for X Window WID on display DPY.
2872 Return -1 if WID not in id_to_widget. */
2875 xg_get_scroll_id_for_window (dpy
, wid
)
2882 w
= xg_win_to_widget (dpy
, wid
);
2886 for (idx
= 0; idx
< id_to_widget
.max_size
; ++idx
)
2887 if (id_to_widget
.widgets
[idx
] == w
)
2894 /* Callback invoked when scroll bar WIDGET is destroyed.
2895 DATA is the index into id_to_widget for WIDGET.
2896 We free pointer to last scroll bar values here and remove the index. */
2899 xg_gtk_scroll_destroy (widget
, data
)
2904 int id
= (int) (EMACS_INT
) data
; /* The EMACS_INT cast avoids a warning. */
2906 p
= g_object_get_data (G_OBJECT (widget
), XG_LAST_SB_DATA
);
2908 xg_remove_widget_from_map (id
);
2911 /* Callback for button press/release events. Used to start timer so that
2912 the scroll bar repetition timer in GTK gets handeled.
2913 Also, sets bar->dragging to Qnil when dragging (button release) is done.
2914 WIDGET is the scroll bar widget the event is for (not used).
2915 EVENT contains the event.
2916 USER_DATA points to the struct scrollbar structure.
2918 Returns FALSE to tell GTK that it shall continue propagate the event
2922 scroll_bar_button_cb (widget
, event
, user_data
)
2924 GdkEventButton
*event
;
2927 if (event
->type
== GDK_BUTTON_PRESS
&& ! xg_timer
)
2929 else if (event
->type
== GDK_BUTTON_RELEASE
)
2931 struct scroll_bar
*bar
= (struct scroll_bar
*) user_data
;
2932 if (xg_timer
) xg_stop_timer ();
2933 bar
->dragging
= Qnil
;
2939 /* Create a scroll bar widget for frame F. Store the scroll bar
2941 SCROLL_CALLBACK is the callback to invoke when the value of the
2943 SCROLL_BAR_NAME is the name we use for the scroll bar. Can be used
2944 to set resources for the widget. */
2947 xg_create_scroll_bar (f
, bar
, scroll_callback
, scroll_bar_name
)
2949 struct scroll_bar
*bar
;
2950 GCallback scroll_callback
;
2951 char *scroll_bar_name
;
2958 /* Page, step increment values are not so important here, they
2959 will be corrected in x_set_toolkit_scroll_bar_thumb. */
2960 vadj
= gtk_adjustment_new (XG_SB_MIN
, XG_SB_MIN
, XG_SB_MAX
,
2963 wscroll
= gtk_vscrollbar_new (GTK_ADJUSTMENT (vadj
));
2964 webox
= gtk_event_box_new ();
2965 gtk_widget_set_name (wscroll
, scroll_bar_name
);
2966 gtk_range_set_update_policy (GTK_RANGE (wscroll
), GTK_UPDATE_CONTINUOUS
);
2968 scroll_id
= xg_store_widget_in_map (wscroll
);
2970 g_signal_connect (G_OBJECT (wscroll
),
2974 /* The EMACS_INT cast avoids a warning. */
2975 g_signal_connect (G_OBJECT (wscroll
),
2977 G_CALLBACK (xg_gtk_scroll_destroy
),
2978 (gpointer
) (EMACS_INT
) scroll_id
);
2980 /* Connect to button press and button release to detect if any scroll bar
2982 g_signal_connect (G_OBJECT (wscroll
),
2983 "button-press-event",
2984 G_CALLBACK (scroll_bar_button_cb
),
2986 g_signal_connect (G_OBJECT (wscroll
),
2987 "button-release-event",
2988 G_CALLBACK (scroll_bar_button_cb
),
2991 /* The scroll bar widget does not draw on a window of its own. Instead
2992 it draws on the parent window, in this case the edit widget. So
2993 whenever the edit widget is cleared, the scroll bar needs to redraw
2994 also, which causes flicker. Put an event box between the edit widget
2995 and the scroll bar, so the scroll bar instead draws itself on the
2996 event box window. */
2997 gtk_fixed_put (GTK_FIXED (f
->output_data
.x
->edit_widget
), webox
, -1, -1);
2998 gtk_container_add (GTK_CONTAINER (webox
), wscroll
);
3001 /* Set the cursor to an arrow. */
3002 xg_set_cursor (webox
, FRAME_X_DISPLAY_INFO (f
)->xg_cursor
);
3004 SET_SCROLL_BAR_X_WINDOW (bar
, scroll_id
);
3007 /* Make the scroll bar represented by SCROLLBAR_ID visible. */
3010 xg_show_scroll_bar (scrollbar_id
)
3013 GtkWidget
*w
= xg_get_widget_from_map (scrollbar_id
);
3015 gtk_widget_show_all (gtk_widget_get_parent (w
));
3018 /* Remove the scroll bar represented by SCROLLBAR_ID from the frame F. */
3021 xg_remove_scroll_bar (f
, scrollbar_id
)
3025 GtkWidget
*w
= xg_get_widget_from_map (scrollbar_id
);
3028 GtkWidget
*wparent
= gtk_widget_get_parent (w
);
3029 gtk_widget_destroy (w
);
3030 gtk_widget_destroy (wparent
);
3031 SET_FRAME_GARBAGED (f
);
3035 /* Update the position of the vertical scroll bar represented by SCROLLBAR_ID
3037 TOP/LEFT are the new pixel positions where the bar shall appear.
3038 WIDTH, HEIGHT is the size in pixels the bar shall have. */
3041 xg_update_scrollbar_pos (f
, scrollbar_id
, top
, left
, width
, height
)
3050 GtkWidget
*wscroll
= xg_get_widget_from_map (scrollbar_id
);
3054 GtkWidget
*wfixed
= f
->output_data
.x
->edit_widget
;
3055 GtkWidget
*wparent
= gtk_widget_get_parent (wscroll
);
3057 /* Move and resize to new values. */
3058 gtk_fixed_move (GTK_FIXED (wfixed
), wparent
, left
, top
);
3059 gtk_widget_set_size_request (wscroll
, width
, height
);
3060 gtk_widget_queue_draw (wparent
);
3061 gdk_window_process_all_updates ();
3062 /* GTK does not redraw until the main loop is entered again, but
3063 if there are no X events pending we will not enter it. So we sync
3064 here to get some events. */
3066 SET_FRAME_GARBAGED (f
);
3067 cancel_mouse_face (f
);
3071 /* Set the thumb size and position of scroll bar BAR. We are currently
3072 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3075 xg_set_toolkit_scroll_bar_thumb (bar
, portion
, position
, whole
)
3076 struct scroll_bar
*bar
;
3077 int portion
, position
, whole
;
3079 GtkWidget
*wscroll
= xg_get_widget_from_map (SCROLL_BAR_X_WINDOW (bar
));
3081 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3083 if (wscroll
&& NILP (bar
->dragging
))
3092 adj
= gtk_range_get_adjustment (GTK_RANGE (wscroll
));
3094 /* We do the same as for MOTIF in xterm.c, assume 30 chars per line
3095 rather than the real portion value. This makes the thumb less likely
3096 to resize and that looks better. */
3097 portion
= WINDOW_TOTAL_LINES (XWINDOW (bar
->window
)) * 30;
3098 /* When the thumb is at the bottom, position == whole.
3099 So we need to increase `whole' to make space for the thumb. */
3106 top
= (gdouble
) position
/ whole
;
3107 shown
= (gdouble
) portion
/ whole
;
3110 size
= shown
* XG_SB_RANGE
;
3111 size
= min (size
, XG_SB_RANGE
);
3112 size
= max (size
, 1);
3114 value
= top
* XG_SB_RANGE
;
3115 value
= min (value
, XG_SB_MAX
- size
);
3116 value
= max (value
, XG_SB_MIN
);
3118 /* Assume all lines are of equal size. */
3119 new_step
= size
/ max (1, FRAME_LINES (f
));
3121 if ((int) adj
->page_size
!= size
3122 || (int) adj
->step_increment
!= new_step
)
3124 adj
->page_size
= size
;
3125 adj
->step_increment
= new_step
;
3126 /* Assume a page increment is about 95% of the page size */
3127 adj
->page_increment
= (int) (0.95*adj
->page_size
);
3131 if (changed
|| (int) gtk_range_get_value (GTK_RANGE (wscroll
)) != value
)
3133 GtkWidget
*wfixed
= f
->output_data
.x
->edit_widget
;
3137 /* gtk_range_set_value invokes the callback. Set
3138 ignore_gtk_scrollbar to make the callback do nothing */
3139 xg_ignore_gtk_scrollbar
= 1;
3141 if ((int) gtk_range_get_value (GTK_RANGE (wscroll
)) != value
)
3142 gtk_range_set_value (GTK_RANGE (wscroll
), (gdouble
)value
);
3144 gtk_adjustment_changed (adj
);
3146 xg_ignore_gtk_scrollbar
= 0;
3154 /***********************************************************************
3156 ***********************************************************************/
3157 /* The key for the data we put in the GtkImage widgets. The data is
3158 the image used by Emacs. We use this to see if we need to update
3159 the GtkImage with a new image. */
3160 #define XG_TOOL_BAR_IMAGE_DATA "emacs-tool-bar-image"
3162 /* Callback function invoked when a tool bar item is pressed.
3163 W is the button widget in the tool bar that got pressed,
3164 CLIENT_DATA is an integer that is the index of the button in the
3165 tool bar. 0 is the first button. */
3168 xg_tool_bar_callback (w
, client_data
)
3170 gpointer client_data
;
3172 /* The EMACS_INT cast avoids a warning. */
3173 int idx
= (int) (EMACS_INT
) client_data
;
3174 FRAME_PTR f
= (FRAME_PTR
) g_object_get_data (G_OBJECT (w
), XG_FRAME_DATA
);
3175 Lisp_Object key
, frame
;
3176 struct input_event event
;
3179 if (! f
|| ! f
->n_tool_bar_items
|| NILP (f
->tool_bar_items
))
3182 idx
*= TOOL_BAR_ITEM_NSLOTS
;
3184 key
= AREF (f
->tool_bar_items
, idx
+ TOOL_BAR_ITEM_KEY
);
3185 XSETFRAME (frame
, f
);
3186 event
.kind
= TOOL_BAR_EVENT
;
3187 event
.frame_or_window
= frame
;
3189 kbd_buffer_store_event (&event
);
3191 event
.kind
= TOOL_BAR_EVENT
;
3192 event
.frame_or_window
= frame
;
3194 event
.modifiers
= 0; /* These are not available. */
3195 kbd_buffer_store_event (&event
);
3198 /* This callback is called when a tool bar is detached. We must set
3199 the height of the tool bar to zero when this happens so frame sizes
3200 are correctly calculated.
3201 WBOX is the handle box widget that enables detach/attach of the tool bar.
3202 W is the tool bar widget.
3203 CLIENT_DATA is a pointer to the frame the tool bar belongs to. */
3206 xg_tool_bar_detach_callback (wbox
, w
, client_data
)
3209 gpointer client_data
;
3211 FRAME_PTR f
= (FRAME_PTR
) client_data
;
3215 FRAME_X_OUTPUT (f
)->toolbar_detached
= 1;
3217 /* When detaching a tool bar, not everything dissapear. There are
3218 a few pixels left that are used to drop the tool bar back into
3220 FRAME_TOOLBAR_HEIGHT (f
) = 2;
3222 /* The height has changed, resize outer widget and set columns
3223 rows to what we had before detaching the tool bar. */
3224 xg_resize_outer_widget (f
, FRAME_COLS (f
), FRAME_LINES (f
));
3228 /* This callback is called when a tool bar is reattached. We must set
3229 the height of the tool bar when this happens so frame sizes
3230 are correctly calculated.
3231 WBOX is the handle box widget that enables detach/attach of the tool bar.
3232 W is the tool bar widget.
3233 CLIENT_DATA is a pointer to the frame the tool bar belongs to. */
3236 xg_tool_bar_attach_callback (wbox
, w
, client_data
)
3239 gpointer client_data
;
3241 FRAME_PTR f
= (FRAME_PTR
) client_data
;
3247 FRAME_X_OUTPUT (f
)->toolbar_detached
= 0;
3249 gtk_widget_size_request (w
, &req
);
3250 FRAME_TOOLBAR_HEIGHT (f
) = req
.height
;
3252 /* The height has changed, resize outer widget and set columns
3253 rows to what we had before attaching the tool bar. */
3254 xg_resize_outer_widget (f
, FRAME_COLS (f
), FRAME_LINES (f
));
3258 /* This callback is called when the mouse enters or leaves a tool bar item.
3259 It is used for displaying and hiding the help text.
3260 W is the tool bar item, a button.
3261 EVENT is either an enter event or leave event.
3262 CLIENT_DATA is an integer that is the index of the button in the
3263 tool bar. 0 is the first button.
3265 Returns FALSE to tell GTK to keep processing this event. */
3268 xg_tool_bar_help_callback (w
, event
, client_data
)
3270 GdkEventCrossing
*event
;
3271 gpointer client_data
;
3273 /* The EMACS_INT cast avoids a warning. */
3274 int idx
= (int) (EMACS_INT
) client_data
;
3275 FRAME_PTR f
= (FRAME_PTR
) g_object_get_data (G_OBJECT (w
), XG_FRAME_DATA
);
3276 Lisp_Object help
, frame
;
3278 if (! GTK_IS_BUTTON (w
))
3283 if (! f
|| ! f
->n_tool_bar_items
|| NILP (f
->tool_bar_items
))
3286 if (event
->type
== GDK_ENTER_NOTIFY
)
3288 idx
*= TOOL_BAR_ITEM_NSLOTS
;
3289 help
= AREF (f
->tool_bar_items
, idx
+ TOOL_BAR_ITEM_HELP
);
3292 help
= AREF (f
->tool_bar_items
, idx
+ TOOL_BAR_ITEM_CAPTION
);
3297 XSETFRAME (frame
, f
);
3298 kbd_buffer_store_help_event (frame
, help
);
3304 /* This callback is called when a tool bar item shall be redrawn.
3305 It modifies the expose event so that the GtkImage widget redraws the
3306 whole image. This to overcome a bug that makes GtkImage draw the image
3307 in the wrong place when it tries to redraw just a part of the image.
3308 W is the GtkImage to be redrawn.
3309 EVENT is the expose event for W.
3310 CLIENT_DATA is unused.
3312 Returns FALSE to tell GTK to keep processing this event. */
3315 xg_tool_bar_item_expose_callback (w
, event
, client_data
)
3317 GdkEventExpose
*event
;
3318 gpointer client_data
;
3322 gdk_drawable_get_size (event
->window
, &width
, &height
);
3324 event
->area
.x
-= width
> event
->area
.width
? width
-event
->area
.width
: 0;
3325 event
->area
.y
-= height
> event
->area
.height
? height
-event
->area
.height
: 0;
3327 event
->area
.x
= max (0, event
->area
.x
);
3328 event
->area
.y
= max (0, event
->area
.y
);
3330 event
->area
.width
= max (width
, event
->area
.width
);
3331 event
->area
.height
= max (height
, event
->area
.height
);
3336 /* This callback is called when a tool bar shall be redrawn.
3337 We need to update the tool bar from here in case the image cache
3338 has deleted the pixmaps used in the tool bar.
3339 W is the GtkToolbar to be redrawn.
3340 EVENT is the expose event for W.
3341 CLIENT_DATA is pointing to the frame for this tool bar.
3343 Returns FALSE to tell GTK to keep processing this event. */
3346 xg_tool_bar_expose_callback (w
, event
, client_data
)
3348 GdkEventExpose
*event
;
3349 gpointer client_data
;
3351 update_frame_tool_bar ((FRAME_PTR
) client_data
);
3355 /* Create a tool bar for frame F. */
3358 xg_create_tool_bar (f
)
3361 struct x_output
*x
= f
->output_data
.x
;
3363 int vbox_pos
= x
->menubar_widget
? 1 : 0;
3365 x
->toolbar_widget
= gtk_toolbar_new ();
3366 x
->handlebox_widget
= gtk_handle_box_new ();
3367 x
->toolbar_detached
= 0;
3369 gtk_container_add (GTK_CONTAINER (x
->handlebox_widget
),
3372 gtk_box_pack_start (GTK_BOX (x
->vbox_widget
), x
->handlebox_widget
,
3375 gtk_box_reorder_child (GTK_BOX (x
->vbox_widget
), x
->handlebox_widget
,
3378 gtk_widget_set_name (x
->toolbar_widget
, "emacs-toolbar");
3380 /* We only have icons, so override any user setting. We could
3381 use the caption property of the toolbar item (see update_frame_tool_bar
3382 below), but some of those strings are long, making the toolbar so
3383 long it does not fit on the screen. The GtkToolbar widget makes every
3384 item equal size, so the longest caption determine the size of every
3385 tool bar item. I think the creators of the GtkToolbar widget
3386 counted on 4 or 5 character long strings. */
3387 gtk_toolbar_set_style (GTK_TOOLBAR (x
->toolbar_widget
), GTK_TOOLBAR_ICONS
);
3388 gtk_toolbar_set_orientation (GTK_TOOLBAR (x
->toolbar_widget
),
3389 GTK_ORIENTATION_HORIZONTAL
);
3391 g_signal_connect (G_OBJECT (x
->handlebox_widget
), "child-detached",
3392 G_CALLBACK (xg_tool_bar_detach_callback
), f
);
3393 g_signal_connect (G_OBJECT (x
->handlebox_widget
), "child-attached",
3394 G_CALLBACK (xg_tool_bar_attach_callback
), f
);
3395 g_signal_connect (G_OBJECT (x
->toolbar_widget
),
3397 G_CALLBACK (xg_tool_bar_expose_callback
),
3400 gtk_widget_show_all (x
->handlebox_widget
);
3402 gtk_widget_size_request (x
->toolbar_widget
, &req
);
3403 FRAME_TOOLBAR_HEIGHT (f
) = req
.height
;
3405 /* The height has changed, resize outer widget and set columns
3406 rows to what we had before adding the tool bar. */
3407 xg_resize_outer_widget (f
, FRAME_COLS (f
), FRAME_LINES (f
));
3409 SET_FRAME_GARBAGED (f
);
3412 /* Update the tool bar for frame F. Add new buttons and remove old. */
3415 update_frame_tool_bar (f
)
3419 GtkRequisition old_req
, new_req
;
3422 struct x_output
*x
= f
->output_data
.x
;
3423 int hmargin
, vmargin
;
3425 if (! FRAME_GTK_WIDGET (f
))
3430 if (INTEGERP (Vtool_bar_button_margin
)
3431 && XINT (Vtool_bar_button_margin
) > 0)
3433 hmargin
= XFASTINT (Vtool_bar_button_margin
);
3434 vmargin
= XFASTINT (Vtool_bar_button_margin
);
3436 else if (CONSP (Vtool_bar_button_margin
))
3438 if (INTEGERP (XCAR (Vtool_bar_button_margin
))
3439 && XINT (XCAR (Vtool_bar_button_margin
)) > 0)
3440 hmargin
= XFASTINT (XCAR (Vtool_bar_button_margin
));
3442 if (INTEGERP (XCDR (Vtool_bar_button_margin
))
3443 && XINT (XCDR (Vtool_bar_button_margin
)) > 0)
3444 vmargin
= XFASTINT (XCDR (Vtool_bar_button_margin
));
3447 /* The natural size (i.e. when GTK uses 0 as margin) looks best,
3448 so take DEFAULT_TOOL_BAR_BUTTON_MARGIN to mean "default for GTK",
3449 i.e. zero. This means that margins less than
3450 DEFAULT_TOOL_BAR_BUTTON_MARGIN has no effect. */
3451 hmargin
= max (0, hmargin
- DEFAULT_TOOL_BAR_BUTTON_MARGIN
);
3452 vmargin
= max (0, vmargin
- DEFAULT_TOOL_BAR_BUTTON_MARGIN
);
3454 if (! x
->toolbar_widget
)
3455 xg_create_tool_bar (f
);
3457 gtk_widget_size_request (x
->toolbar_widget
, &old_req
);
3459 icon_list
= gtk_container_get_children (GTK_CONTAINER (x
->toolbar_widget
));
3462 for (i
= 0; i
< f
->n_tool_bar_items
; ++i
)
3464 #define PROP(IDX) AREF (f->tool_bar_items, i * TOOL_BAR_ITEM_NSLOTS + (IDX))
3466 int enabled_p
= !NILP (PROP (TOOL_BAR_ITEM_ENABLED_P
));
3467 int selected_p
= !NILP (PROP (TOOL_BAR_ITEM_SELECTED_P
));
3472 GtkWidget
*wicon
= iter
? GTK_WIDGET (iter
->data
) : 0;
3474 if (iter
) iter
= g_list_next (iter
);
3476 /* If image is a vector, choose the image according to the
3478 image
= PROP (TOOL_BAR_ITEM_IMAGES
);
3479 if (VECTORP (image
))
3483 ? TOOL_BAR_IMAGE_ENABLED_SELECTED
3484 : TOOL_BAR_IMAGE_ENABLED_DESELECTED
);
3487 ? TOOL_BAR_IMAGE_DISABLED_SELECTED
3488 : TOOL_BAR_IMAGE_DISABLED_DESELECTED
);
3490 xassert (ASIZE (image
) >= idx
);
3491 image
= AREF (image
, idx
);
3496 /* Ignore invalid image specifications. */
3497 if (!valid_image_p (image
))
3499 if (wicon
) gtk_widget_hide (wicon
);
3503 img_id
= lookup_image (f
, image
);
3504 img
= IMAGE_FROM_ID (f
, img_id
);
3505 prepare_image_for_display (f
, img
);
3507 if (img
->load_failed_p
|| img
->pixmap
== None
)
3509 if (wicon
) gtk_widget_hide (wicon
);
3515 GtkWidget
*w
= xg_get_image_for_pixmap (f
, img
, x
->widget
, NULL
);
3517 gtk_misc_set_padding (GTK_MISC (w
), hmargin
, vmargin
);
3519 /* The EMACS_INT cast avoids a warning. */
3520 gtk_toolbar_append_item (GTK_TOOLBAR (x
->toolbar_widget
),
3523 GTK_SIGNAL_FUNC (xg_tool_bar_callback
),
3524 (gpointer
) (EMACS_INT
) i
);
3526 /* Save the image so we can see if an update is needed when
3527 this function is called again. */
3528 g_object_set_data (G_OBJECT (w
), XG_TOOL_BAR_IMAGE_DATA
,
3529 (gpointer
)img
->pixmap
);
3531 /* Catch expose events to overcome an annoying redraw bug, see
3532 comment for xg_tool_bar_item_expose_callback. */
3533 g_signal_connect (G_OBJECT (w
),
3535 G_CALLBACK (xg_tool_bar_item_expose_callback
),
3538 /* We must set sensitive on the button that is the parent
3539 of the GtkImage parent. Go upwards until we find the button. */
3540 while (! GTK_IS_BUTTON (w
))
3541 w
= gtk_widget_get_parent (w
);
3545 /* Save the frame in the button so the xg_tool_bar_callback
3547 g_object_set_data (G_OBJECT (w
), XG_FRAME_DATA
, (gpointer
)f
);
3548 gtk_widget_set_sensitive (w
, enabled_p
);
3550 /* Use enter/leave notify to show help. We use the events
3551 rather than the GtkButton specific signals "enter" and
3552 "leave", so we can have only one callback. The event
3553 will tell us what kind of event it is. */
3554 /* The EMACS_INT cast avoids a warning. */
3555 g_signal_connect (G_OBJECT (w
),
3556 "enter-notify-event",
3557 G_CALLBACK (xg_tool_bar_help_callback
),
3558 (gpointer
) (EMACS_INT
) i
);
3559 g_signal_connect (G_OBJECT (w
),
3560 "leave-notify-event",
3561 G_CALLBACK (xg_tool_bar_help_callback
),
3562 (gpointer
) (EMACS_INT
) i
);
3567 /* The child of the tool bar is a button. Inside that button
3568 is a vbox. Inside that vbox is the GtkImage. */
3569 GtkWidget
*wvbox
= gtk_bin_get_child (GTK_BIN (wicon
));
3570 GList
*chlist
= gtk_container_get_children (GTK_CONTAINER (wvbox
));
3571 GtkImage
*wimage
= GTK_IMAGE (chlist
->data
);
3572 Pixmap old_img
= (Pixmap
)g_object_get_data (G_OBJECT (wimage
),
3573 XG_TOOL_BAR_IMAGE_DATA
);
3574 g_list_free (chlist
);
3576 gtk_misc_set_padding (GTK_MISC (wimage
), hmargin
, vmargin
);
3578 if (old_img
!= img
->pixmap
)
3579 (void) xg_get_image_for_pixmap (f
, img
, x
->widget
, wimage
);
3581 g_object_set_data (G_OBJECT (wimage
), XG_TOOL_BAR_IMAGE_DATA
,
3582 (gpointer
)img
->pixmap
);
3584 gtk_widget_set_sensitive (wicon
, enabled_p
);
3585 gtk_widget_show (wicon
);
3591 /* Remove buttons not longer needed. We just hide them so they
3592 can be reused later on. */
3595 GtkWidget
*w
= GTK_WIDGET (iter
->data
);
3596 gtk_widget_hide (w
);
3597 iter
= g_list_next (iter
);
3600 gtk_widget_size_request (x
->toolbar_widget
, &new_req
);
3601 if (old_req
.height
!= new_req
.height
3602 && ! FRAME_X_OUTPUT (f
)->toolbar_detached
)
3604 FRAME_TOOLBAR_HEIGHT (f
) = new_req
.height
;
3605 xg_resize_outer_widget (f
, FRAME_COLS (f
), FRAME_LINES (f
));
3608 if (icon_list
) g_list_free (icon_list
);
3613 /* Deallocate all resources for the tool bar on frame F.
3614 Remove the tool bar. */
3617 free_frame_tool_bar (f
)
3620 struct x_output
*x
= f
->output_data
.x
;
3622 if (x
->toolbar_widget
)
3625 gtk_container_remove (GTK_CONTAINER (x
->vbox_widget
),
3626 x
->handlebox_widget
);
3627 x
->toolbar_widget
= 0;
3628 x
->handlebox_widget
= 0;
3629 FRAME_TOOLBAR_HEIGHT (f
) = 0;
3631 /* The height has changed, resize outer widget and set columns
3632 rows to what we had before removing the tool bar. */
3633 xg_resize_outer_widget (f
, FRAME_COLS (f
), FRAME_LINES (f
));
3635 SET_FRAME_GARBAGED (f
);
3642 /***********************************************************************
3644 ***********************************************************************/
3648 GtkBindingSet
*binding_set
;
3650 xg_ignore_gtk_scrollbar
= 0;
3651 xg_detached_menus
= 0;
3652 xg_menu_cb_list
.prev
= xg_menu_cb_list
.next
=
3653 xg_menu_item_cb_list
.prev
= xg_menu_item_cb_list
.next
= 0;
3655 id_to_widget
.max_size
= id_to_widget
.used
= 0;
3656 id_to_widget
.widgets
= 0;
3658 /* Remove F10 as a menu accelerator, it does not mix well with Emacs key
3659 bindings. It doesn't seem to be any way to remove properties,
3660 so we set it to VoidSymbol which in X means "no key". */
3661 gtk_settings_set_string_property (gtk_settings_get_default (),
3662 "gtk-menu-bar-accel",
3666 /* Make GTK text input widgets use Emacs style keybindings. This is
3668 gtk_settings_set_string_property (gtk_settings_get_default (),
3669 "gtk-key-theme-name",
3673 /* Make dialogs close on C-g. Since file dialog inherits from
3674 dialog, this works for them also. */
3675 binding_set
= gtk_binding_set_by_class (gtk_type_class (GTK_TYPE_DIALOG
));
3676 gtk_binding_entry_add_signal (binding_set
, GDK_g
, GDK_CONTROL_MASK
,
3679 /* Make menus close on C-g. */
3680 binding_set
= gtk_binding_set_by_class (gtk_type_class (GTK_TYPE_MENU_SHELL
));
3681 gtk_binding_entry_add_signal (binding_set
, GDK_g
, GDK_CONTROL_MASK
,
3685 #endif /* USE_GTK */
3687 /* arch-tag: fe7104da-bc1e-4aba-9bd1-f349c528f7e3
3688 (do not change this comment) */