1 /* Functions for creating and updating GTK widgets.
3 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
29 #include "blockinput.h"
33 #include "termhooks.h"
37 #include <gdk/gdkkeysyms.h>
40 #define FRAME_TOTAL_PIXEL_HEIGHT(f) \
41 (FRAME_PIXEL_HEIGHT (f) + FRAME_MENUBAR_HEIGHT (f) + FRAME_TOOLBAR_HEIGHT (f))
44 /***********************************************************************
45 Display handling functions
46 ***********************************************************************/
48 #ifdef HAVE_GTK_MULTIDISPLAY
50 /* Return the GdkDisplay that corresponds to the X display DPY. */
53 xg_get_gdk_display (dpy
)
56 return gdk_x11_lookup_xdisplay (dpy
);
59 /* When the GTK widget W is to be created on a display for F that
60 is not the default display, set the display for W.
61 W can be a GtkMenu or a GtkWindow widget. */
68 if (FRAME_X_DISPLAY (f
) != GDK_DISPLAY ())
70 GdkDisplay
*gdpy
= gdk_x11_lookup_xdisplay (FRAME_X_DISPLAY (f
));
71 GdkScreen
*gscreen
= gdk_display_get_default_screen (gdpy
);
74 gtk_menu_set_screen (GTK_MENU (w
), gscreen
);
76 gtk_window_set_screen (GTK_WINDOW (w
), gscreen
);
81 #else /* not HAVE_GTK_MULTIDISPLAY */
83 /* Make some defines so we can use the GTK 2.2 functions when
84 compiling with GTK 2.0. */
86 #define xg_set_screen(w, f)
87 #define gdk_xid_table_lookup_for_display(dpy, w) gdk_xid_table_lookup (w)
88 #define gdk_pixmap_foreign_new_for_display(dpy, p) gdk_pixmap_foreign_new (p)
89 #define gdk_cursor_new_for_display(dpy, c) gdk_cursor_new (c)
90 #define gdk_x11_lookup_xdisplay(dpy) 0
91 #define GdkDisplay void
93 #endif /* not HAVE_GTK_MULTIDISPLAY */
95 /* Open a display named by DISPLAY_NAME. The display is returned in *DPY.
96 *DPY is set to NULL if the display can't be opened.
98 Returns non-zero if display could be opened, zero if display could not
99 be opened, and less than zero if the GTK version doesn't support
103 xg_display_open (display_name
, dpy
)
107 #ifdef HAVE_GTK_MULTIDISPLAY
110 gdpy
= gdk_display_open (display_name
);
111 *dpy
= gdpy
? GDK_DISPLAY_XDISPLAY (gdpy
) : NULL
;
115 #else /* not HAVE_GTK_MULTIDISPLAY */
118 #endif /* not HAVE_GTK_MULTIDISPLAY */
122 /* Close display DPY. */
125 xg_display_close (Display
*dpy
)
127 #ifdef HAVE_GTK_MULTIDISPLAY
128 GdkDisplay
*gdpy
= gdk_x11_lookup_xdisplay (dpy
);
130 /* GTK 2.2 has a bug that makes gdk_display_close crash (bug
131 http://bugzilla.gnome.org/show_bug.cgi?id=85715). This way
132 we can continue running, but there will be memory leaks. */
134 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION < 4
136 /* If this is the default display, we must change it before calling
137 dispose, otherwise it will crash. */
138 if (gdk_display_get_default () == gdpy
)
140 struct x_display_info
*dpyinfo
;
141 Display
*new_dpy
= 0;
142 GdkDisplay
*gdpy_new
;
144 /* Find another display. */
145 for (dpyinfo
= x_display_list
; dpyinfo
; dpyinfo
= dpyinfo
->next
)
146 if (dpyinfo
->display
!= dpy
)
148 new_dpy
= dpyinfo
->display
;
152 if (! new_dpy
) return; /* Emacs will exit anyway. */
154 gdpy_new
= gdk_x11_lookup_xdisplay (new_dpy
);
155 gdk_display_manager_set_default_display (gdk_display_manager_get (),
159 g_object_run_dispose (G_OBJECT (gdpy
));
162 /* I hope this will be fixed in GTK 2.4. It is what bug 85715 says. */
163 gdk_display_close (gdpy
);
165 #endif /* HAVE_GTK_MULTIDISPLAY */
169 /***********************************************************************
171 ***********************************************************************/
172 /* The timer for scroll bar repetition and menu bar timeouts.
173 NULL if no timer is started. */
174 static struct atimer
*xg_timer
;
177 /* The next two variables and functions are taken from lwlib. */
178 static widget_value
*widget_value_free_list
;
179 static int malloc_cpt
;
181 /* Allocate a widget_value structure, either by taking one from the
182 widget_value_free_list or by malloc:ing a new one.
184 Return a pointer to the allocated structure. */
187 malloc_widget_value ()
190 if (widget_value_free_list
)
192 wv
= widget_value_free_list
;
193 widget_value_free_list
= wv
->free_list
;
198 wv
= (widget_value
*) malloc (sizeof (widget_value
));
201 memset (wv
, 0, sizeof (widget_value
));
205 /* This is analogous to free. It frees only what was allocated
206 by malloc_widget_value, and no substructures. */
209 free_widget_value (wv
)
217 /* When the number of already allocated cells is too big,
224 wv
->free_list
= widget_value_free_list
;
225 widget_value_free_list
= wv
;
230 /* Create and return the cursor to be used for popup menus and
231 scroll bars on display DPY. */
234 xg_create_default_cursor (dpy
)
237 GdkDisplay
*gdpy
= gdk_x11_lookup_xdisplay (dpy
);
238 return gdk_cursor_new_for_display (gdpy
, GDK_LEFT_PTR
);
241 /* For the image defined in IMG, make and return a GtkImage. For displays with
242 8 planes or less we must make a GdkPixbuf and apply the mask manually.
243 Otherwise the highlightning and dimming the tool bar code in GTK does
244 will look bad. For display with more than 8 planes we just use the
245 pixmap and mask directly. For monochrome displays, GTK doesn't seem
246 able to use external pixmaps, it looks bad whatever we do.
247 The image is defined on the display where frame F is.
248 WIDGET is used to find the GdkColormap to use for the GdkPixbuf.
249 If OLD_WIDGET is NULL, a new widget is constructed and returned.
250 If OLD_WIDGET is not NULL, that widget is modified. */
253 xg_get_image_for_pixmap (f
, img
, widget
, old_widget
)
257 GtkImage
*old_widget
;
263 /* If we are on a one bit display, let GTK do all the image handling.
264 This seems to be the only way to make insensitive and activated icons
266 if (x_screen_planes (f
) == 1)
268 Lisp_Object specified_file
= Qnil
;
270 extern Lisp_Object QCfile
;
272 for (tail
= XCDR (img
->spec
);
273 NILP (specified_file
) && CONSP (tail
) && CONSP (XCDR (tail
));
274 tail
= XCDR (XCDR (tail
)))
275 if (EQ (XCAR (tail
), QCfile
))
276 specified_file
= XCAR (XCDR (tail
));
278 if (STRINGP (specified_file
))
281 Lisp_Object file
= Qnil
;
285 file
= x_find_image_file (specified_file
);
286 /* We already loaded the image once before calling this
287 function, so this should not fail. */
288 xassert (STRINGP (file
) != 0);
291 old_widget
= GTK_IMAGE (gtk_image_new_from_file (SDATA (file
)));
293 gtk_image_set_from_file (old_widget
, SDATA (file
));
296 return GTK_WIDGET (old_widget
);
300 gdpy
= gdk_x11_lookup_xdisplay (FRAME_X_DISPLAY (f
));
301 gpix
= gdk_pixmap_foreign_new_for_display (gdpy
, img
->pixmap
);
302 gmask
= img
->mask
? gdk_pixmap_foreign_new_for_display (gdpy
, img
->mask
) : 0;
304 if (x_screen_planes (f
) > 8 || x_screen_planes (f
) == 1)
307 old_widget
= GTK_IMAGE (gtk_image_new_from_pixmap (gpix
, gmask
));
309 gtk_image_set_from_pixmap (old_widget
, gpix
, gmask
);
313 /* This is a workaround to make icons look good on pseudo color
314 displays. Apparently GTK expects the images to have an alpha
315 channel. If they don't, insensitive and activated icons will
316 look bad. This workaround does not work on monochrome displays,
317 and is not needed on true color/static color displays (i.e.
318 16 bits and higher). */
319 int x
, y
, width
, height
, rowstride
, mask_rowstride
;
320 GdkPixbuf
*icon_buf
, *tmp_buf
;
324 gdk_drawable_get_size (gpix
, &width
, &height
);
325 tmp_buf
= gdk_pixbuf_get_from_drawable (NULL
,
327 gtk_widget_get_colormap (widget
),
328 0, 0, 0, 0, width
, height
);
329 icon_buf
= gdk_pixbuf_add_alpha (tmp_buf
, FALSE
, 0, 0, 0);
330 g_object_unref (G_OBJECT (tmp_buf
));
334 GdkPixbuf
*mask_buf
= gdk_pixbuf_get_from_drawable (NULL
,
339 guchar
*pixels
= gdk_pixbuf_get_pixels (icon_buf
);
340 guchar
*mask_pixels
= gdk_pixbuf_get_pixels (mask_buf
);
341 int rowstride
= gdk_pixbuf_get_rowstride (icon_buf
);
342 int mask_rowstride
= gdk_pixbuf_get_rowstride (mask_buf
);
345 for (y
= 0; y
< height
; ++y
)
347 guchar
*iconptr
, *maskptr
;
350 iconptr
= pixels
+ y
* rowstride
;
351 maskptr
= mask_pixels
+ y
* mask_rowstride
;
353 for (x
= 0; x
< width
; ++x
)
355 /* In a bitmap, RGB is either 255/255/255 or 0/0/0. Checking
356 just R is sufficient. */
358 iconptr
[3] = 0; /* 0, 1, 2 is R, G, B. 3 is alpha. */
360 iconptr
+= rowstride
/width
;
361 maskptr
+= mask_rowstride
/width
;
365 g_object_unref (G_OBJECT (mask_buf
));
369 old_widget
= GTK_IMAGE (gtk_image_new_from_pixbuf (icon_buf
));
371 gtk_image_set_from_pixbuf (old_widget
, icon_buf
);
373 g_object_unref (G_OBJECT (icon_buf
));
376 g_object_unref (G_OBJECT (gpix
));
377 if (gmask
) g_object_unref (G_OBJECT (gmask
));
379 return GTK_WIDGET (old_widget
);
383 /* Set CURSOR on W and all widgets W contain. We must do like this
384 for scroll bars and menu because they create widgets internally,
385 and it is those widgets that are visible. */
388 xg_set_cursor (w
, cursor
)
392 GList
*children
= gdk_window_peek_children (w
->window
);
394 gdk_window_set_cursor (w
->window
, cursor
);
396 /* The scroll bar widget has more than one GDK window (had to look at
397 the source to figure this out), and there is no way to set cursor
398 on widgets in GTK. So we must set the cursor for all GDK windows.
401 for ( ; children
; children
= g_list_next (children
))
402 gdk_window_set_cursor (GDK_WINDOW (children
->data
), cursor
);
405 /* Timer function called when a timeout occurs for xg_timer.
406 This function processes all GTK events in a recursive event loop.
407 This is done because GTK timer events are not seen by Emacs event
408 detection, Emacs only looks for X events. When a scroll bar has the
409 pointer (detected by button press/release events below) an Emacs
410 timer is started, and this function can then check if the GTK timer
411 has expired by calling the GTK event loop.
412 Also, when a menu is active, it has a small timeout before it
413 pops down the sub menu under it. */
416 xg_process_timeouts (timer
)
417 struct atimer
*timer
;
420 /* Ideally we would like to just handle timer events, like the Xt version
421 of this does in xterm.c, but there is no such feature in GTK. */
422 while (gtk_events_pending ())
423 gtk_main_iteration ();
427 /* Start the xg_timer with an interval of 0.1 seconds, if not already started.
428 xg_process_timeouts is called when the timer expires. The timer
429 started is continuous, i.e. runs until xg_stop_timer is called. */
437 EMACS_SET_SECS_USECS (interval
, 0, 100000);
438 xg_timer
= start_atimer (ATIMER_CONTINUOUS
,
445 /* Stop the xg_timer if started. */
452 cancel_atimer (xg_timer
);
457 /* Insert NODE into linked LIST. */
460 xg_list_insert (xg_list_node
*list
, xg_list_node
*node
)
462 xg_list_node
*list_start
= list
->next
;
464 if (list_start
) list_start
->prev
= node
;
465 node
->next
= list_start
;
470 /* Remove NODE from linked LIST. */
473 xg_list_remove (xg_list_node
*list
, xg_list_node
*node
)
475 xg_list_node
*list_start
= list
->next
;
476 if (node
== list_start
)
478 list
->next
= node
->next
;
479 if (list
->next
) list
->next
->prev
= 0;
483 node
->prev
->next
= node
->next
;
484 if (node
->next
) node
->next
->prev
= node
->prev
;
488 /* Allocate and return a utf8 version of STR. If STR is already
489 utf8 or NULL, just return STR.
490 If not, a new string is allocated and the caller must free the result
494 get_utf8_string (str
)
497 char *utf8_str
= str
;
499 /* If not UTF-8, try current locale. */
500 if (str
&& !g_utf8_validate (str
, -1, NULL
))
501 utf8_str
= g_locale_to_utf8 (str
, -1, 0, 0, 0);
508 /***********************************************************************
509 General functions for creating widgets, resizing, events, e.t.c.
510 ***********************************************************************/
512 /* Make a geometry string and pass that to GTK. It seems this is the
513 only way to get geometry position right if the user explicitly
514 asked for a position when starting Emacs.
515 F is the frame we shall set geometry for. */
521 if (f
->size_hint_flags
& USPosition
)
523 int left
= f
->left_pos
;
524 int xneg
= f
->size_hint_flags
& XNegative
;
525 int top
= f
->top_pos
;
526 int yneg
= f
->size_hint_flags
& YNegative
;
534 sprintf (geom_str
, "=%dx%d%c%d%c%d",
535 FRAME_PIXEL_WIDTH (f
),
536 FRAME_TOTAL_PIXEL_HEIGHT (f
),
537 (xneg
? '-' : '+'), left
,
538 (yneg
? '-' : '+'), top
);
540 if (!gtk_window_parse_geometry (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f
)),
542 fprintf (stderr
, "Failed to parse: '%s'\n", geom_str
);
547 /* Resize the outer window of frame F after chainging the height.
548 This happend when the menu bar or the tool bar is added or removed.
549 COLUMNS/ROWS is the size the edit area shall have after the resize. */
552 xg_resize_outer_widget (f
, columns
, rows
)
557 gtk_window_resize (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f
)),
558 FRAME_PIXEL_WIDTH (f
), FRAME_TOTAL_PIXEL_HEIGHT (f
));
560 /* base_height is now changed. */
561 x_wm_set_size_hint (f
, 0, 0);
563 /* If we are not mapped yet, set geometry once again, as window
564 height now have changed. */
565 if (! GTK_WIDGET_MAPPED (FRAME_GTK_OUTER_WIDGET (f
)))
568 xg_frame_set_char_size (f
, columns
, rows
);
569 gdk_window_process_all_updates ();
572 /* Function to handle resize of our widgets. Since Emacs has some layouts
573 that does not fit well with GTK standard containers, we do most layout
575 F is the frame to resize.
576 PIXELWIDTH, PIXELHEIGHT is the new size in pixels. */
579 xg_resize_widgets (f
, pixelwidth
, pixelheight
)
581 int pixelwidth
, pixelheight
;
583 int mbheight
= FRAME_MENUBAR_HEIGHT (f
);
584 int tbheight
= FRAME_TOOLBAR_HEIGHT (f
);
585 int rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, (pixelheight
586 - mbheight
- tbheight
));
587 int columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, pixelwidth
);
589 if (FRAME_GTK_WIDGET (f
)
590 && (columns
!= FRAME_COLS (f
)
591 || rows
!= FRAME_LINES (f
)
592 || pixelwidth
!= FRAME_PIXEL_WIDTH (f
)
593 || pixelheight
!= FRAME_PIXEL_HEIGHT (f
)))
595 struct x_output
*x
= f
->output_data
.x
;
598 all
.y
= mbheight
+ tbheight
;
601 all
.width
= pixelwidth
;
602 all
.height
= pixelheight
- mbheight
- tbheight
;
604 gtk_widget_size_allocate (x
->edit_widget
, &all
);
606 change_frame_size (f
, rows
, columns
, 0, 1, 0);
607 SET_FRAME_GARBAGED (f
);
608 cancel_mouse_face (f
);
613 /* Update our widget size to be COLS/ROWS characters for frame F. */
616 xg_frame_set_char_size (f
, cols
, rows
)
621 int pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
)
622 + FRAME_MENUBAR_HEIGHT (f
) + FRAME_TOOLBAR_HEIGHT (f
);
625 /* Take into account the size of the scroll bar. Always use the
626 number of columns occupied by the scroll bar here otherwise we
627 might end up with a frame width that is not a multiple of the
628 frame's character width which is bad for vertically split
630 f
->scroll_bar_actual_width
631 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
633 compute_fringe_widths (f
, 0);
635 /* FRAME_TEXT_COLS_TO_PIXEL_WIDTH uses scroll_bar_actual_width, so call it
636 after calculating that value. */
637 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
639 /* Must resize our top level widget. Font size may have changed,
640 but not rows/cols. */
641 gtk_window_resize (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f
)),
642 pixelwidth
, pixelheight
);
643 xg_resize_widgets (f
, pixelwidth
, pixelheight
);
644 x_wm_set_size_hint (f
, 0, 0);
645 SET_FRAME_GARBAGED (f
);
646 cancel_mouse_face (f
);
649 /* Convert an X Window WSESC on display DPY to its corresponding GtkWidget.
650 Must be done like this, because GtkWidget:s can have "hidden"
651 X Window that aren't accessible.
653 Return 0 if no widget match WDESC. */
656 xg_win_to_widget (dpy
, wdesc
)
661 GtkWidget
*gwdesc
= 0;
665 gdkwin
= gdk_xid_table_lookup_for_display (gdk_x11_lookup_xdisplay (dpy
),
670 event
.any
.window
= gdkwin
;
671 gwdesc
= gtk_get_event_widget (&event
);
678 /* Fill in the GdkColor C so that it represents PIXEL.
679 W is the widget that color will be used for. Used to find colormap. */
682 xg_pix_to_gcolor (w
, pixel
, c
)
687 GdkColormap
*map
= gtk_widget_get_colormap (w
);
688 gdk_colormap_query_color (map
, pixel
, c
);
691 /* Create and set up the GTK widgets for frame F.
692 Return 0 if creation failed, non-zero otherwise. */
695 xg_create_frame_widgets (f
)
708 wtop
= gtk_window_new (GTK_WINDOW_TOPLEVEL
);
709 xg_set_screen (wtop
, f
);
711 wvbox
= gtk_vbox_new (FALSE
, 0);
712 wfixed
= gtk_fixed_new (); /* Must have this to place scroll bars */
714 if (! wtop
|| ! wvbox
|| ! wfixed
)
716 if (wtop
) gtk_widget_destroy (wtop
);
717 if (wvbox
) gtk_widget_destroy (wvbox
);
718 if (wfixed
) gtk_widget_destroy (wfixed
);
723 /* Use same names as the Xt port does. I.e. Emacs.pane.emacs by default */
724 gtk_widget_set_name (wtop
, EMACS_CLASS
);
725 gtk_widget_set_name (wvbox
, "pane");
726 gtk_widget_set_name (wfixed
, SDATA (Vx_resource_name
));
728 /* If this frame has a title or name, set it in the title bar. */
729 if (! NILP (f
->title
)) title
= SDATA (ENCODE_UTF_8 (f
->title
));
730 else if (! NILP (f
->name
)) title
= SDATA (ENCODE_UTF_8 (f
->name
));
732 if (title
) gtk_window_set_title (GTK_WINDOW (wtop
), title
);
734 FRAME_GTK_OUTER_WIDGET (f
) = wtop
;
735 FRAME_GTK_WIDGET (f
) = wfixed
;
736 f
->output_data
.x
->vbox_widget
= wvbox
;
738 gtk_fixed_set_has_window (GTK_FIXED (wfixed
), TRUE
);
740 gtk_widget_set_size_request (wfixed
, FRAME_PIXEL_WIDTH (f
),
741 FRAME_PIXEL_HEIGHT (f
));
743 gtk_container_add (GTK_CONTAINER (wtop
), wvbox
);
744 gtk_box_pack_end (GTK_BOX (wvbox
), wfixed
, TRUE
, TRUE
, 0);
746 if (FRAME_EXTERNAL_TOOL_BAR (f
))
747 update_frame_tool_bar (f
);
749 /* The tool bar is created but first there are no items in it.
750 This causes it to be zero height. Later items are added, but then
751 the frame is already mapped, so there is a "jumping" resize.
752 This makes geometry handling difficult, for example -0-0 will end
753 up in the wrong place as tool bar height has not been taken into account.
754 So we cheat a bit by setting a height that is what it will have
755 later on when tool bar items are added. */
756 if (FRAME_EXTERNAL_TOOL_BAR (f
) && f
->n_tool_bar_items
== 0)
757 FRAME_TOOLBAR_HEIGHT (f
) = 34;
760 /* We don't want this widget double buffered, because we draw on it
761 with regular X drawing primitives, so from a GTK/GDK point of
762 view, the widget is totally blank. When an expose comes, this
763 will make the widget blank, and then Emacs redraws it. This flickers
764 a lot, so we turn off double buffering. */
765 gtk_widget_set_double_buffered (wfixed
, FALSE
);
767 /* GTK documents says use gtk_window_set_resizable. But then a user
768 can't shrink the window from its starting size. */
769 gtk_window_set_policy (GTK_WINDOW (wtop
), TRUE
, TRUE
, TRUE
);
770 gtk_window_set_wmclass (GTK_WINDOW (wtop
),
771 SDATA (Vx_resource_name
),
772 SDATA (Vx_resource_class
));
774 /* Add callback to do nothing on WM_DELETE_WINDOW. The default in
775 GTK is to destroy the widget. We want Emacs to do that instead. */
776 g_signal_connect (G_OBJECT (wtop
), "delete-event",
777 G_CALLBACK (gtk_true
), 0);
779 /* Convert our geometry parameters into a geometry string
781 GTK will itself handle calculating the real position this way. */
784 gtk_widget_add_events (wfixed
,
785 GDK_POINTER_MOTION_MASK
787 | GDK_BUTTON_PRESS_MASK
788 | GDK_BUTTON_RELEASE_MASK
790 | GDK_ENTER_NOTIFY_MASK
791 | GDK_LEAVE_NOTIFY_MASK
792 | GDK_FOCUS_CHANGE_MASK
794 | GDK_VISIBILITY_NOTIFY_MASK
);
796 /* Must realize the windows so the X window gets created. It is used
797 by callers of this function. */
798 gtk_widget_realize (wfixed
);
799 FRAME_X_WINDOW (f
) = GTK_WIDGET_TO_X_WIN (wfixed
);
801 /* Since GTK clears its window by filling with the background color,
802 we must keep X and GTK background in sync. */
803 xg_pix_to_gcolor (wfixed
, f
->output_data
.x
->background_pixel
, &bg
);
804 gtk_widget_modify_bg (wfixed
, GTK_STATE_NORMAL
, &bg
);
806 /* Also, do not let any background pixmap to be set, this looks very
807 bad as Emacs overwrites the background pixmap with its own idea
808 of background color. */
809 style
= gtk_widget_get_modifier_style (wfixed
);
811 /* Must use g_strdup because gtk_widget_modify_style does g_free. */
812 style
->bg_pixmap_name
[GTK_STATE_NORMAL
] = g_strdup ("<none>");
813 gtk_widget_modify_style (wfixed
, style
);
815 /* GTK does not set any border, and they look bad with GTK. */
817 f
->internal_border_width
= 0;
824 /* Set the normal size hints for the window manager, for frame F.
825 FLAGS is the flags word to use--or 0 meaning preserve the flags
826 that the window now has.
827 If USER_POSITION is nonzero, we set the User Position
828 flag (this is useful when FLAGS is 0). */
831 x_wm_set_size_hint (f
, flags
, user_position
)
836 if (FRAME_GTK_OUTER_WIDGET (f
))
838 /* Must use GTK routines here, otherwise GTK resets the size hints
839 to its own defaults. */
840 GdkGeometry size_hints
;
842 int base_width
, base_height
;
843 int min_rows
= 0, min_cols
= 0;
844 int win_gravity
= f
->win_gravity
;
848 memset (&size_hints
, 0, sizeof (size_hints
));
849 f
->output_data
.x
->size_hints
= size_hints
;
850 f
->output_data
.x
->hint_flags
= hint_flags
;
853 flags
= f
->size_hint_flags
;
855 size_hints
= f
->output_data
.x
->size_hints
;
856 hint_flags
= f
->output_data
.x
->hint_flags
;
858 hint_flags
|= GDK_HINT_RESIZE_INC
| GDK_HINT_MIN_SIZE
;
859 size_hints
.width_inc
= FRAME_COLUMN_WIDTH (f
);
860 size_hints
.height_inc
= FRAME_LINE_HEIGHT (f
);
862 hint_flags
|= GDK_HINT_BASE_SIZE
;
863 base_width
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, 0);
864 base_height
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, 0)
865 + FRAME_MENUBAR_HEIGHT (f
) + FRAME_TOOLBAR_HEIGHT (f
);
867 check_frame_size (f
, &min_rows
, &min_cols
);
869 size_hints
.base_width
= base_width
;
870 size_hints
.base_height
= base_height
;
871 size_hints
.min_width
= base_width
+ min_cols
* size_hints
.width_inc
;
872 size_hints
.min_height
= base_height
+ min_rows
* size_hints
.height_inc
;
875 /* These currently have a one to one mapping with the X values, but I
876 don't think we should rely on that. */
877 hint_flags
|= GDK_HINT_WIN_GRAVITY
;
878 size_hints
.win_gravity
= 0;
879 if (win_gravity
== NorthWestGravity
)
880 size_hints
.win_gravity
= GDK_GRAVITY_NORTH_WEST
;
881 else if (win_gravity
== NorthGravity
)
882 size_hints
.win_gravity
= GDK_GRAVITY_NORTH
;
883 else if (win_gravity
== NorthEastGravity
)
884 size_hints
.win_gravity
= GDK_GRAVITY_NORTH_EAST
;
885 else if (win_gravity
== WestGravity
)
886 size_hints
.win_gravity
= GDK_GRAVITY_WEST
;
887 else if (win_gravity
== CenterGravity
)
888 size_hints
.win_gravity
= GDK_GRAVITY_CENTER
;
889 else if (win_gravity
== EastGravity
)
890 size_hints
.win_gravity
= GDK_GRAVITY_EAST
;
891 else if (win_gravity
== SouthWestGravity
)
892 size_hints
.win_gravity
= GDK_GRAVITY_SOUTH_WEST
;
893 else if (win_gravity
== SouthGravity
)
894 size_hints
.win_gravity
= GDK_GRAVITY_SOUTH
;
895 else if (win_gravity
== SouthEastGravity
)
896 size_hints
.win_gravity
= GDK_GRAVITY_SOUTH_EAST
;
897 else if (win_gravity
== StaticGravity
)
898 size_hints
.win_gravity
= GDK_GRAVITY_STATIC
;
900 if (flags
& PPosition
) hint_flags
|= GDK_HINT_POS
;
901 if (flags
& USPosition
) hint_flags
|= GDK_HINT_USER_POS
;
902 if (flags
& USSize
) hint_flags
|= GDK_HINT_USER_SIZE
;
906 hint_flags
&= ~GDK_HINT_POS
;
907 hint_flags
|= GDK_HINT_USER_POS
;
912 gtk_window_set_geometry_hints (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f
)),
913 FRAME_GTK_OUTER_WIDGET (f
),
917 f
->output_data
.x
->size_hints
= size_hints
;
918 f
->output_data
.x
->hint_flags
= hint_flags
;
923 /* Change background color of a frame.
924 Since GTK uses the background colour to clear the window, we must
925 keep the GTK and X colors in sync.
926 F is the frame to change,
927 BG is the pixel value to change to. */
930 xg_set_background_color (f
, bg
)
934 if (FRAME_GTK_WIDGET (f
))
939 xg_pix_to_gcolor (FRAME_GTK_WIDGET (f
), bg
, &gdk_bg
);
940 gtk_widget_modify_bg (FRAME_GTK_WIDGET (f
), GTK_STATE_NORMAL
, &gdk_bg
);
947 /***********************************************************************
949 ***********************************************************************/
950 /* Return the dialog title to use for a dialog of type KEY.
951 This is the encoding used by lwlib. We use the same for GTK. */
954 get_dialog_title (char key
)
964 title
= "Information";
983 /* Callback for dialogs that get WM_DELETE_WINDOW. We pop down
984 the dialog, but return TRUE so the event does not propagate further
985 in GTK. This prevents GTK from destroying the dialog widget automatically
986 and we can always destrou the widget manually, regardles of how
987 it was popped down (button press or WM_DELETE_WINDOW).
988 W is the dialog widget.
989 EVENT is the GdkEvent that represents WM_DELETE_WINDOW (not used).
990 user_data is NULL (not used).
992 Returns TRUE to end propagation of event. */
995 dialog_delete_callback (w
, event
, user_data
)
1000 gtk_widget_unmap (w
);
1004 /* Create a popup dialog window. See also xg_create_widget below.
1005 WV is a widget_value describing the dialog.
1006 SELECT_CB is the callback to use when a button has been pressed.
1007 DEACTIVATE_CB is the callback to use when the dialog pops down.
1009 Returns the GTK dialog widget. */
1012 create_dialog (wv
, select_cb
, deactivate_cb
)
1014 GCallback select_cb
;
1015 GCallback deactivate_cb
;
1017 char *title
= get_dialog_title (wv
->name
[0]);
1018 int total_buttons
= wv
->name
[1] - '0';
1019 int right_buttons
= wv
->name
[4] - '0';
1022 int button_spacing
= 10;
1023 GtkWidget
*wdialog
= gtk_dialog_new ();
1027 GtkWidget
*whbox_up
;
1028 GtkWidget
*whbox_down
;
1030 /* If the number of buttons is greater than 4, make two rows of buttons
1031 instead. This looks better. */
1032 int make_two_rows
= total_buttons
> 4;
1034 if (right_buttons
== 0) right_buttons
= total_buttons
/2;
1035 left_buttons
= total_buttons
- right_buttons
;
1037 gtk_window_set_title (GTK_WINDOW (wdialog
), title
);
1038 gtk_widget_set_name (wdialog
, "emacs-dialog");
1040 cur_box
= GTK_BOX (GTK_DIALOG (wdialog
)->action_area
);
1044 wvbox
= gtk_vbox_new (TRUE
, button_spacing
);
1045 whbox_up
= gtk_hbox_new (FALSE
, 0);
1046 whbox_down
= gtk_hbox_new (FALSE
, 0);
1048 gtk_box_pack_start (cur_box
, wvbox
, FALSE
, FALSE
, 0);
1049 gtk_box_pack_start (GTK_BOX (wvbox
), whbox_up
, FALSE
, FALSE
, 0);
1050 gtk_box_pack_start (GTK_BOX (wvbox
), whbox_down
, FALSE
, FALSE
, 0);
1052 cur_box
= GTK_BOX (whbox_up
);
1055 g_signal_connect (G_OBJECT (wdialog
), "delete-event",
1056 G_CALLBACK (dialog_delete_callback
), 0);
1060 g_signal_connect (G_OBJECT (wdialog
), "close", deactivate_cb
, 0);
1061 g_signal_connect (G_OBJECT (wdialog
), "response", deactivate_cb
, 0);
1064 for (item
= wv
->contents
; item
; item
= item
->next
)
1066 char *utf8_label
= get_utf8_string (item
->value
);
1070 if (item
->name
&& strcmp (item
->name
, "message") == 0)
1072 /* This is the text part of the dialog. */
1073 w
= gtk_label_new (utf8_label
);
1074 gtk_box_pack_start (GTK_BOX (GTK_DIALOG (wdialog
)->vbox
),
1077 gtk_box_pack_start (GTK_BOX (GTK_DIALOG (wdialog
)->vbox
), w
,
1079 gtk_misc_set_alignment (GTK_MISC (w
), 0.1, 0.5);
1081 /* Try to make dialog look better. Must realize first so
1082 the widget can calculate the size it needs. */
1083 gtk_widget_realize (w
);
1084 gtk_widget_size_request (w
, &req
);
1085 gtk_box_set_spacing (GTK_BOX (GTK_DIALOG (wdialog
)->vbox
),
1087 if (item
->value
&& strlen (item
->value
) > 0)
1088 button_spacing
= 2*req
.width
/strlen (item
->value
);
1092 /* This is one button to add to the dialog. */
1093 w
= gtk_button_new_with_label (utf8_label
);
1094 if (! item
->enabled
)
1095 gtk_widget_set_sensitive (w
, FALSE
);
1097 g_signal_connect (G_OBJECT (w
), "clicked",
1098 select_cb
, item
->call_data
);
1100 gtk_box_pack_start (cur_box
, w
, TRUE
, TRUE
, button_spacing
);
1101 if (++button_nr
== left_buttons
)
1104 cur_box
= GTK_BOX (whbox_down
);
1106 gtk_box_pack_start (cur_box
,
1113 if (utf8_label
&& utf8_label
!= item
->value
)
1114 g_free (utf8_label
);
1122 /***********************************************************************
1123 File dialog functions
1124 ***********************************************************************/
1125 #ifdef HAVE_GTK_FILE_BOTH
1126 int use_old_gtk_file_dialog
;
1129 /* Function that is called when the file dialog pops down.
1130 W is the dialog widget, RESPONSE is the response code.
1131 USER_DATA is what we passed in to g_signal_connect (pointer to int). */
1134 xg_file_response_cb (w
,
1141 int *ptr
= (int *) user_data
;
1146 /* Destroy the dialog. This makes it pop down. */
1149 pop_down_file_dialog (arg
)
1152 struct Lisp_Save_Value
*p
= XSAVE_VALUE (arg
);
1154 gtk_widget_destroy (GTK_WIDGET (p
->pointer
));
1159 typedef char * (*xg_get_file_func
) P_ ((GtkWidget
*));
1161 #ifdef HAVE_GTK_FILE_CHOOSER_DIALOG_NEW
1163 /* Return the selected file for file chooser dialog W.
1164 The returned string must be free:d. */
1167 xg_get_file_name_from_chooser (w
)
1170 return gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (w
));
1173 /* Read a file name from the user using a file chooser dialog.
1174 F is the current frame.
1175 PROMPT is a prompt to show to the user. May not be NULL.
1176 DEFAULT_FILENAME is a default selection to be displayed. May be NULL.
1177 If MUSTMATCH_P is non-zero, the returned file name must be an existing
1178 file. *FUNC is set to a function that can be used to retrieve the
1179 selected file name from the returned widget.
1181 Returns the created widget. */
1184 xg_get_file_with_chooser (f
, prompt
, default_filename
,
1185 mustmatch_p
, only_dir_p
, func
)
1188 char *default_filename
;
1189 int mustmatch_p
, only_dir_p
;
1190 xg_get_file_func
*func
;
1193 GtkWindow
*gwin
= GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f
));
1194 GtkFileChooserAction action
= (mustmatch_p
?
1195 GTK_FILE_CHOOSER_ACTION_OPEN
:
1196 GTK_FILE_CHOOSER_ACTION_SAVE
);
1199 action
= GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER
;
1201 filewin
= gtk_file_chooser_dialog_new (prompt
, gwin
, action
,
1202 GTK_STOCK_CANCEL
, GTK_RESPONSE_CANCEL
,
1203 (mustmatch_p
|| only_dir_p
?
1204 GTK_STOCK_OPEN
: GTK_STOCK_OK
),
1208 if (default_filename
)
1211 struct gcpro gcpro1
;
1214 /* File chooser does not understand ~/... in the file name. It must be
1215 an absolute name starting with /. */
1216 if (default_filename
[0] != '/')
1218 file
= Fexpand_file_name (build_string (default_filename
), Qnil
);
1219 default_filename
= SDATA (file
);
1222 gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (filewin
),
1228 *func
= xg_get_file_name_from_chooser
;
1231 #endif /* HAVE_GTK_FILE_CHOOSER_DIALOG_NEW */
1233 #ifdef HAVE_GTK_FILE_SELECTION_NEW
1235 /* Return the selected file for file selector dialog W.
1236 The returned string must be free:d. */
1239 xg_get_file_name_from_selector (w
)
1242 GtkFileSelection
*filesel
= GTK_FILE_SELECTION (w
);
1243 return xstrdup ((char*) gtk_file_selection_get_filename (filesel
));
1246 /* Create a file selection dialog.
1247 F is the current frame.
1248 PROMPT is a prompt to show to the user. May not be NULL.
1249 DEFAULT_FILENAME is a default selection to be displayed. May be NULL.
1250 If MUSTMATCH_P is non-zero, the returned file name must be an existing
1251 file. *FUNC is set to a function that can be used to retrieve the
1252 selected file name from the returned widget.
1254 Returns the created widget. */
1257 xg_get_file_with_selection (f
, prompt
, default_filename
,
1258 mustmatch_p
, only_dir_p
, func
)
1261 char *default_filename
;
1262 int mustmatch_p
, only_dir_p
;
1263 xg_get_file_func
*func
;
1266 GtkFileSelection
*filesel
;
1268 filewin
= gtk_file_selection_new (prompt
);
1269 filesel
= GTK_FILE_SELECTION (filewin
);
1271 if (default_filename
)
1272 gtk_file_selection_set_filename (filesel
, default_filename
);
1276 /* The selection_entry part of filesel is not documented. */
1277 gtk_widget_set_sensitive (filesel
->selection_entry
, FALSE
);
1278 gtk_file_selection_hide_fileop_buttons (filesel
);
1281 *func
= xg_get_file_name_from_selector
;
1285 #endif /* HAVE_GTK_FILE_SELECTION_NEW */
1287 /* Read a file name from the user using a file dialog, either the old
1288 file selection dialog, or the new file chooser dialog. Which to use
1289 depends on what the GTK version used has, and what the value of
1290 gtk-use-old-file-dialog.
1291 F is the current frame.
1292 PROMPT is a prompt to show to the user. May not be NULL.
1293 DEFAULT_FILENAME is a default selection to be displayed. May be NULL.
1294 If MUSTMATCH_P is non-zero, the returned file name must be an existing
1297 Returns a file name or NULL if no file was selected.
1298 The returned string must be freed by the caller. */
1301 xg_get_file_name (f
, prompt
, default_filename
, mustmatch_p
, only_dir_p
)
1304 char *default_filename
;
1305 int mustmatch_p
, only_dir_p
;
1308 int count
= SPECPDL_INDEX ();
1310 int filesel_done
= 0;
1311 xg_get_file_func func
;
1313 #ifdef HAVE_GTK_FILE_BOTH
1314 if (use_old_gtk_file_dialog
)
1315 w
= xg_get_file_with_selection (f
, prompt
, default_filename
,
1316 mustmatch_p
, only_dir_p
, &func
);
1318 w
= xg_get_file_with_chooser (f
, prompt
, default_filename
,
1319 mustmatch_p
, only_dir_p
, &func
);
1321 #else /* not HAVE_GTK_FILE_BOTH */
1323 #ifdef HAVE_GTK_FILE_SELECTION_DIALOG_NEW
1324 w
= xg_get_file_with_selection (f
, prompt
, default_filename
,
1325 mustmatch_p
, only_dir_p
, &func
);
1327 #ifdef HAVE_GTK_FILE_CHOOSER_DIALOG_NEW
1328 w
= xg_get_file_with_chooser (f
, prompt
, default_filename
,
1329 mustmatch_p
, only_dir_p
, &func
);
1332 #endif /* HAVE_GTK_FILE_BOTH */
1334 xg_set_screen (w
, f
);
1335 gtk_widget_set_name (w
, "emacs-filedialog");
1336 gtk_window_set_transient_for (GTK_WINDOW (w
),
1337 GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f
)));
1338 gtk_window_set_destroy_with_parent (GTK_WINDOW (w
), TRUE
);
1339 gtk_window_set_modal (GTK_WINDOW (w
), TRUE
);
1341 g_signal_connect (G_OBJECT (w
),
1343 G_CALLBACK (xg_file_response_cb
),
1346 /* Don't destroy the widget if closed by the window manager close button. */
1347 g_signal_connect (G_OBJECT (w
), "delete-event", G_CALLBACK (gtk_true
), NULL
);
1349 gtk_widget_show (w
);
1351 record_unwind_protect (pop_down_file_dialog
, make_save_value (w
, 0));
1352 while (! filesel_done
)
1354 x_menu_wait_for_event (0);
1355 gtk_main_iteration ();
1358 if (filesel_done
== GTK_RESPONSE_OK
)
1361 unbind_to (count
, Qnil
);
1367 /***********************************************************************
1369 ***********************************************************************/
1371 /* The name of menu items that can be used for citomization. Since GTK
1372 RC files are very crude and primitive, we have to set this on all
1373 menu item names so a user can easily cutomize menu items. */
1375 #define MENU_ITEM_NAME "emacs-menuitem"
1378 /* Linked list of all allocated struct xg_menu_cb_data. Used for marking
1379 during GC. The next member points to the items. */
1380 static xg_list_node xg_menu_cb_list
;
1382 /* Linked list of all allocated struct xg_menu_item_cb_data. Used for marking
1383 during GC. The next member points to the items. */
1384 static xg_list_node xg_menu_item_cb_list
;
1386 /* Allocate and initialize CL_DATA if NULL, otherwise increase ref_count.
1387 F is the frame CL_DATA will be initialized for.
1388 HIGHLIGHT_CB is the callback to call when entering/leaving menu items.
1390 The menu bar and all sub menus under the menu bar in a frame
1391 share the same structure, hence the reference count.
1393 Returns CL_DATA if CL_DATA is not NULL, or a pointer to a newly
1394 allocated xg_menu_cb_data if CL_DATA is NULL. */
1396 static xg_menu_cb_data
*
1397 make_cl_data (cl_data
, f
, highlight_cb
)
1398 xg_menu_cb_data
*cl_data
;
1400 GCallback highlight_cb
;
1404 cl_data
= (xg_menu_cb_data
*) xmalloc (sizeof (*cl_data
));
1406 cl_data
->menu_bar_vector
= f
->menu_bar_vector
;
1407 cl_data
->menu_bar_items_used
= f
->menu_bar_items_used
;
1408 cl_data
->highlight_cb
= highlight_cb
;
1409 cl_data
->ref_count
= 0;
1411 xg_list_insert (&xg_menu_cb_list
, &cl_data
->ptrs
);
1414 cl_data
->ref_count
++;
1419 /* Update CL_DATA with values from frame F and with HIGHLIGHT_CB.
1420 HIGHLIGHT_CB is the callback to call when entering/leaving menu items.
1422 When the menu bar is updated, menu items may have been added and/or
1423 removed, so menu_bar_vector and menu_bar_items_used change. We must
1424 then update CL_DATA since it is used to determine which menu
1425 item that is invoked in the menu.
1426 HIGHLIGHT_CB could change, there is no check that the same
1427 function is given when modifying a menu bar as was given when
1428 creating the menu bar. */
1431 update_cl_data (cl_data
, f
, highlight_cb
)
1432 xg_menu_cb_data
*cl_data
;
1434 GCallback highlight_cb
;
1439 cl_data
->menu_bar_vector
= f
->menu_bar_vector
;
1440 cl_data
->menu_bar_items_used
= f
->menu_bar_items_used
;
1441 cl_data
->highlight_cb
= highlight_cb
;
1445 /* Decrease reference count for CL_DATA.
1446 If reference count is zero, free CL_DATA. */
1449 unref_cl_data (cl_data
)
1450 xg_menu_cb_data
*cl_data
;
1452 if (cl_data
&& cl_data
->ref_count
> 0)
1454 cl_data
->ref_count
--;
1455 if (cl_data
->ref_count
== 0)
1457 xg_list_remove (&xg_menu_cb_list
, &cl_data
->ptrs
);
1463 /* Function that marks all lisp data during GC. */
1470 for (iter
= xg_menu_cb_list
.next
; iter
; iter
= iter
->next
)
1471 mark_object (((xg_menu_cb_data
*) iter
)->menu_bar_vector
);
1473 for (iter
= xg_menu_item_cb_list
.next
; iter
; iter
= iter
->next
)
1475 xg_menu_item_cb_data
*cb_data
= (xg_menu_item_cb_data
*) iter
;
1477 if (! NILP (cb_data
->help
))
1478 mark_object (cb_data
->help
);
1483 /* Callback called when a menu item is destroyed. Used to free data.
1484 W is the widget that is being destroyed (not used).
1485 CLIENT_DATA points to the xg_menu_item_cb_data associated with the W. */
1488 menuitem_destroy_callback (w
, client_data
)
1490 gpointer client_data
;
1494 xg_menu_item_cb_data
*data
= (xg_menu_item_cb_data
*) client_data
;
1495 xg_list_remove (&xg_menu_item_cb_list
, &data
->ptrs
);
1500 /* Callback called when the pointer enters/leaves a menu item.
1502 EVENT is either an enter event or leave event.
1503 CLIENT_DATA points to the xg_menu_item_cb_data associated with the W.
1505 Returns FALSE to tell GTK to keep processing this event. */
1508 menuitem_highlight_callback (w
, event
, client_data
)
1510 GdkEventCrossing
*event
;
1511 gpointer client_data
;
1515 xg_menu_item_cb_data
*data
= (xg_menu_item_cb_data
*) client_data
;
1516 gpointer call_data
= event
->type
== GDK_LEAVE_NOTIFY
? 0 : client_data
;
1518 if (! NILP (data
->help
) && data
->cl_data
->highlight_cb
)
1520 GtkCallback func
= (GtkCallback
) data
->cl_data
->highlight_cb
;
1521 (*func
) (w
, call_data
);
1528 /* Callback called when a menu is destroyed. Used to free data.
1529 W is the widget that is being destroyed (not used).
1530 CLIENT_DATA points to the xg_menu_cb_data associated with W. */
1533 menu_destroy_callback (w
, client_data
)
1535 gpointer client_data
;
1537 unref_cl_data ((xg_menu_cb_data
*) client_data
);
1540 /* Callback called when a menu does a grab or ungrab. That means the
1541 menu has been activated or deactivated.
1542 Used to start a timer so the small timeout the menus in GTK uses before
1543 popping down a menu is seen by Emacs (see xg_process_timeouts above).
1544 W is the widget that does the grab (not used).
1545 UNGRAB_P is TRUE if this is an ungrab, FALSE if it is a grab.
1546 CLIENT_DATA is NULL (not used). */
1549 menu_grab_callback (GtkWidget
*widget
,
1551 gpointer client_data
)
1553 /* Keep track of total number of grabs. */
1556 if (ungrab_p
) cnt
--;
1559 if (cnt
> 0 && ! xg_timer
) xg_start_timer ();
1560 else if (cnt
== 0 && xg_timer
) xg_stop_timer ();
1563 /* Make a GTK widget that contains both UTF8_LABEL and UTF8_KEY (both
1564 must be non-NULL) and can be inserted into a menu item.
1566 Returns the GtkHBox. */
1569 make_widget_for_menu_item (utf8_label
, utf8_key
)
1577 wbox
= gtk_hbox_new (FALSE
, 0);
1578 wlbl
= gtk_label_new (utf8_label
);
1579 wkey
= gtk_label_new (utf8_key
);
1581 gtk_misc_set_alignment (GTK_MISC (wlbl
), 0.0, 0.5);
1582 gtk_misc_set_alignment (GTK_MISC (wkey
), 0.0, 0.5);
1584 gtk_box_pack_start (GTK_BOX (wbox
), wlbl
, TRUE
, TRUE
, 0);
1585 gtk_box_pack_start (GTK_BOX (wbox
), wkey
, FALSE
, FALSE
, 0);
1587 gtk_widget_set_name (wlbl
, MENU_ITEM_NAME
);
1588 gtk_widget_set_name (wkey
, MENU_ITEM_NAME
);
1589 gtk_widget_set_name (wbox
, MENU_ITEM_NAME
);
1594 /* Make and return a menu item widget with the key to the right.
1595 UTF8_LABEL is the text for the menu item (GTK uses UTF8 internally).
1596 UTF8_KEY is the text representing the key binding.
1597 ITEM is the widget_value describing the menu item.
1599 GROUP is an in/out parameter. If the menu item to be created is not
1600 part of any radio menu group, *GROUP contains NULL on entry and exit.
1601 If the menu item to be created is part of a radio menu group, on entry
1602 *GROUP contains the group to use, or NULL if this is the first item
1603 in the group. On exit, *GROUP contains the radio item group.
1605 Unfortunately, keys don't line up as nicely as in Motif,
1606 but the MacOS X version doesn't either, so I guess that is OK. */
1609 make_menu_item (utf8_label
, utf8_key
, item
, group
)
1616 GtkWidget
*wtoadd
= 0;
1618 /* It has been observed that some menu items have a NULL name field.
1619 This will lead to this function being called with a NULL utf8_label.
1620 GTK crashes on that so we set a blank label. Why there is a NULL
1621 name remains to be investigated. */
1622 if (! utf8_label
) utf8_label
= " ";
1625 wtoadd
= make_widget_for_menu_item (utf8_label
, utf8_key
);
1627 if (item
->button_type
== BUTTON_TYPE_TOGGLE
)
1630 if (utf8_key
) w
= gtk_check_menu_item_new ();
1631 else w
= gtk_check_menu_item_new_with_label (utf8_label
);
1632 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w
), item
->selected
);
1634 else if (item
->button_type
== BUTTON_TYPE_RADIO
)
1636 if (utf8_key
) w
= gtk_radio_menu_item_new (*group
);
1637 else w
= gtk_radio_menu_item_new_with_label (*group
, utf8_label
);
1638 *group
= gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (w
));
1640 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w
), TRUE
);
1645 if (utf8_key
) w
= gtk_menu_item_new ();
1646 else w
= gtk_menu_item_new_with_label (utf8_label
);
1649 if (wtoadd
) gtk_container_add (GTK_CONTAINER (w
), wtoadd
);
1650 if (! item
->enabled
) gtk_widget_set_sensitive (w
, FALSE
);
1655 /* Return non-zero if LABEL specifies a separator (GTK only has one
1659 xg_separator_p (char *label
)
1661 if (! label
) return 0;
1662 else if (strlen (label
) > 3
1663 && strncmp (label
, "--", 2) == 0
1666 static char* separator_names
[] = {
1671 "single-dashed-line",
1672 "double-dashed-line",
1674 "shadow-etched-out",
1675 "shadow-etched-in-dash",
1676 "shadow-etched-out-dash",
1677 "shadow-double-etched-in",
1678 "shadow-double-etched-out",
1679 "shadow-double-etched-in-dash",
1680 "shadow-double-etched-out-dash",
1687 for (i
= 0; separator_names
[i
]; ++i
)
1688 if (strcmp (label
, separator_names
[i
]) == 0)
1693 /* Old-style separator, maybe. It's a separator if it contains
1695 while (*label
== '-')
1697 if (*label
== 0) return 1;
1703 static int xg_detached_menus
;
1705 /* Returns non-zero if there are detached menus. */
1708 xg_have_tear_offs ()
1710 return xg_detached_menus
> 0;
1713 /* Callback invoked when a detached menu window is removed. Here we
1714 decrease the xg_detached_menus count.
1715 WIDGET is the top level window that is removed (the parent of the menu).
1716 CLIENT_DATA is not used. */
1719 tearoff_remove (widget
, client_data
)
1721 gpointer client_data
;
1723 if (xg_detached_menus
> 0) --xg_detached_menus
;
1726 /* Callback invoked when a menu is detached. It increases the
1727 xg_detached_menus count.
1728 WIDGET is the GtkTearoffMenuItem.
1729 CLIENT_DATA is not used. */
1732 tearoff_activate (widget
, client_data
)
1734 gpointer client_data
;
1736 GtkWidget
*menu
= gtk_widget_get_parent (widget
);
1737 if (gtk_menu_get_tearoff_state (GTK_MENU (menu
)))
1739 ++xg_detached_menus
;
1740 g_signal_connect (G_OBJECT (gtk_widget_get_toplevel (widget
)),
1742 G_CALLBACK (tearoff_remove
), 0);
1747 /* Create a menu item widget, and connect the callbacks.
1748 ITEM decribes the menu item.
1749 F is the frame the created menu belongs to.
1750 SELECT_CB is the callback to use when a menu item is selected.
1751 HIGHLIGHT_CB is the callback to call when entering/leaving menu items.
1752 CL_DATA points to the callback data to be used for this menu.
1753 GROUP is an in/out parameter. If the menu item to be created is not
1754 part of any radio menu group, *GROUP contains NULL on entry and exit.
1755 If the menu item to be created is part of a radio menu group, on entry
1756 *GROUP contains the group to use, or NULL if this is the first item
1757 in the group. On exit, *GROUP contains the radio item group.
1759 Returns the created GtkWidget. */
1762 xg_create_one_menuitem (item
, f
, select_cb
, highlight_cb
, cl_data
, group
)
1765 GCallback select_cb
;
1766 GCallback highlight_cb
;
1767 xg_menu_cb_data
*cl_data
;
1773 xg_menu_item_cb_data
*cb_data
;
1775 utf8_label
= get_utf8_string (item
->name
);
1776 utf8_key
= get_utf8_string (item
->key
);
1778 w
= make_menu_item (utf8_label
, utf8_key
, item
, group
);
1780 if (utf8_label
&& utf8_label
!= item
->name
) g_free (utf8_label
);
1781 if (utf8_key
&& utf8_key
!= item
->key
) g_free (utf8_key
);
1783 cb_data
= xmalloc (sizeof (xg_menu_item_cb_data
));
1785 xg_list_insert (&xg_menu_item_cb_list
, &cb_data
->ptrs
);
1787 cb_data
->unhighlight_id
= cb_data
->highlight_id
= cb_data
->select_id
= 0;
1788 cb_data
->help
= item
->help
;
1789 cb_data
->cl_data
= cl_data
;
1790 cb_data
->call_data
= item
->call_data
;
1792 g_signal_connect (G_OBJECT (w
),
1794 G_CALLBACK (menuitem_destroy_callback
),
1797 /* Put cb_data in widget, so we can get at it when modifying menubar */
1798 g_object_set_data (G_OBJECT (w
), XG_ITEM_DATA
, cb_data
);
1800 /* final item, not a submenu */
1801 if (item
->call_data
&& ! item
->contents
)
1805 = g_signal_connect (G_OBJECT (w
), "activate", select_cb
, cb_data
);
1808 if (! NILP (item
->help
) && highlight_cb
)
1810 /* We use enter/leave notify instead of select/deselect because
1811 select/deselect doesn't go well with detached menus. */
1812 cb_data
->highlight_id
1813 = g_signal_connect (G_OBJECT (w
),
1814 "enter-notify-event",
1815 G_CALLBACK (menuitem_highlight_callback
),
1817 cb_data
->unhighlight_id
1818 = g_signal_connect (G_OBJECT (w
),
1819 "leave-notify-event",
1820 G_CALLBACK (menuitem_highlight_callback
),
1827 static GtkWidget
*create_menus
P_ ((widget_value
*, FRAME_PTR
, GCallback
,
1828 GCallback
, GCallback
, int, int, int,
1829 GtkWidget
*, xg_menu_cb_data
*, char *));
1831 /* Create a full menu tree specified by DATA.
1832 F is the frame the created menu belongs to.
1833 SELECT_CB is the callback to use when a menu item is selected.
1834 DEACTIVATE_CB is the callback to use when a sub menu is not shown anymore.
1835 HIGHLIGHT_CB is the callback to call when entering/leaving menu items.
1836 POP_UP_P is non-zero if we shall create a popup menu.
1837 MENU_BAR_P is non-zero if we shall create a menu bar.
1838 ADD_TEAROFF_P is non-zero if we shall add a teroff menu item. Ignored
1839 if MENU_BAR_P is non-zero.
1840 TOPMENU is the topmost GtkWidget that others shall be placed under.
1841 It may be NULL, in that case we create the appropriate widget
1842 (menu bar or menu item depending on POP_UP_P and MENU_BAR_P)
1843 CL_DATA is the callback data we shall use for this menu, or NULL
1844 if we haven't set the first callback yet.
1845 NAME is the name to give to the top level menu if this function
1846 creates it. May be NULL to not set any name.
1848 Returns the top level GtkWidget. This is TOPLEVEL if TOPLEVEL is
1851 This function calls itself to create submenus. */
1854 create_menus (data
, f
, select_cb
, deactivate_cb
, highlight_cb
,
1855 pop_up_p
, menu_bar_p
, add_tearoff_p
, topmenu
, cl_data
, name
)
1858 GCallback select_cb
;
1859 GCallback deactivate_cb
;
1860 GCallback highlight_cb
;
1865 xg_menu_cb_data
*cl_data
;
1869 GtkWidget
*wmenu
= topmenu
;
1870 GSList
*group
= NULL
;
1876 wmenu
= gtk_menu_new ();
1877 xg_set_screen (wmenu
, f
);
1879 else wmenu
= gtk_menu_bar_new ();
1881 /* Put cl_data on the top menu for easier access. */
1882 cl_data
= make_cl_data (cl_data
, f
, highlight_cb
);
1883 g_object_set_data (G_OBJECT (wmenu
), XG_FRAME_DATA
, (gpointer
)cl_data
);
1884 g_signal_connect (G_OBJECT (wmenu
), "destroy",
1885 G_CALLBACK (menu_destroy_callback
), cl_data
);
1888 gtk_widget_set_name (wmenu
, name
);
1891 g_signal_connect (G_OBJECT (wmenu
),
1892 "deactivate", deactivate_cb
, 0);
1894 g_signal_connect (G_OBJECT (wmenu
),
1895 "grab-notify", G_CALLBACK (menu_grab_callback
), 0);
1898 if (! menu_bar_p
&& add_tearoff_p
)
1900 GtkWidget
*tearoff
= gtk_tearoff_menu_item_new ();
1901 gtk_menu_shell_append (GTK_MENU_SHELL (wmenu
), tearoff
);
1903 g_signal_connect (G_OBJECT (tearoff
), "activate",
1904 G_CALLBACK (tearoff_activate
), 0);
1907 for (item
= data
; item
; item
= item
->next
)
1911 if (pop_up_p
&& !item
->contents
&& !item
->call_data
1912 && !xg_separator_p (item
->name
))
1915 /* A title for a popup. We do the same as GTK does when
1916 creating titles, but it does not look good. */
1918 utf8_label
= get_utf8_string (item
->name
);
1920 gtk_menu_set_title (GTK_MENU (wmenu
), utf8_label
);
1921 w
= gtk_menu_item_new_with_label (utf8_label
);
1922 gtk_widget_set_sensitive (w
, FALSE
);
1923 if (utf8_label
&& utf8_label
!= item
->name
) g_free (utf8_label
);
1925 else if (xg_separator_p (item
->name
))
1928 /* GTK only have one separator type. */
1929 w
= gtk_separator_menu_item_new ();
1933 w
= xg_create_one_menuitem (item
,
1935 item
->contents
? 0 : select_cb
,
1942 GtkWidget
*submenu
= create_menus (item
->contents
,
1953 gtk_menu_item_set_submenu (GTK_MENU_ITEM (w
), submenu
);
1957 gtk_menu_shell_append (GTK_MENU_SHELL (wmenu
), w
);
1958 gtk_widget_set_name (w
, MENU_ITEM_NAME
);
1964 /* Create a menubar, popup menu or dialog, depending on the TYPE argument.
1965 TYPE can be "menubar", "popup" for popup menu, or "dialog" for a dialog
1966 with some text and buttons.
1967 F is the frame the created item belongs to.
1968 NAME is the name to use for the top widget.
1969 VAL is a widget_value structure describing items to be created.
1970 SELECT_CB is the callback to use when a menu item is selected or
1971 a dialog button is pressed.
1972 DEACTIVATE_CB is the callback to use when an item is deactivated.
1973 For a menu, when a sub menu is not shown anymore, for a dialog it is
1974 called when the dialog is popped down.
1975 HIGHLIGHT_CB is the callback to call when entering/leaving menu items.
1977 Returns the widget created. */
1980 xg_create_widget (type
, name
, f
, val
,
1981 select_cb
, deactivate_cb
, highlight_cb
)
1986 GCallback select_cb
;
1987 GCallback deactivate_cb
;
1988 GCallback highlight_cb
;
1991 int menu_bar_p
= strcmp (type
, "menubar") == 0;
1992 int pop_up_p
= strcmp (type
, "popup") == 0;
1994 if (strcmp (type
, "dialog") == 0)
1996 w
= create_dialog (val
, select_cb
, deactivate_cb
);
1997 xg_set_screen (w
, f
);
1998 gtk_window_set_transient_for (GTK_WINDOW (w
),
1999 GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f
)));
2000 gtk_window_set_destroy_with_parent (GTK_WINDOW (w
), TRUE
);
2001 gtk_widget_set_name (w
, "emacs-dialog");
2002 gtk_window_set_modal (GTK_WINDOW (w
), TRUE
);
2004 else if (menu_bar_p
|| pop_up_p
)
2006 w
= create_menus (val
->contents
,
2018 /* Set the cursor to an arrow for popup menus when they are mapped.
2019 This is done by default for menu bar menus. */
2022 /* Must realize so the GdkWindow inside the widget is created. */
2023 gtk_widget_realize (w
);
2024 xg_set_cursor (w
, FRAME_X_DISPLAY_INFO (f
)->xg_cursor
);
2029 fprintf (stderr
, "bad type in xg_create_widget: %s, doing nothing\n",
2036 /* Return the label for menu item WITEM. */
2039 xg_get_menu_item_label (witem
)
2042 GtkLabel
*wlabel
= GTK_LABEL (gtk_bin_get_child (GTK_BIN (witem
)));
2043 return gtk_label_get_label (wlabel
);
2046 /* Return non-zero if the menu item WITEM has the text LABEL. */
2049 xg_item_label_same_p (witem
, label
)
2054 char *utf8_label
= get_utf8_string (label
);
2055 const char *old_label
= witem
? xg_get_menu_item_label (witem
) : 0;
2057 if (! old_label
&& ! utf8_label
)
2059 else if (old_label
&& utf8_label
)
2060 is_same
= strcmp (utf8_label
, old_label
) == 0;
2062 if (utf8_label
&& utf8_label
!= label
) g_free (utf8_label
);
2067 /* Destroy widgets in LIST. */
2070 xg_destroy_widgets (list
)
2075 for (iter
= list
; iter
; iter
= g_list_next (iter
))
2077 GtkWidget
*w
= GTK_WIDGET (iter
->data
);
2079 /* Destroying the widget will remove it from the container it is in. */
2080 gtk_widget_destroy (w
);
2084 /* Update the top level names in MENUBAR (i.e. not submenus).
2085 F is the frame the menu bar belongs to.
2086 *LIST is a list with the current menu bar names (menu item widgets).
2087 ITER is the item within *LIST that shall be updated.
2088 POS is the numerical position, starting at 0, of ITER in *LIST.
2089 VAL describes what the menu bar shall look like after the update.
2090 SELECT_CB is the callback to use when a menu item is selected.
2091 HIGHLIGHT_CB is the callback to call when entering/leaving menu items.
2092 CL_DATA points to the callback data to be used for this menu bar.
2094 This function calls itself to walk through the menu bar names. */
2097 xg_update_menubar (menubar
, f
, list
, iter
, pos
, val
,
2098 select_cb
, highlight_cb
, cl_data
)
2105 GCallback select_cb
;
2106 GCallback highlight_cb
;
2107 xg_menu_cb_data
*cl_data
;
2109 if (! iter
&& ! val
)
2111 else if (iter
&& ! val
)
2113 /* Item(s) have been removed. Remove all remaining items. */
2114 xg_destroy_widgets (iter
);
2120 else if (! iter
&& val
)
2122 /* Item(s) added. Add all new items in one call. */
2123 create_menus (val
, f
, select_cb
, 0, highlight_cb
,
2124 0, 1, 0, menubar
, cl_data
, 0);
2130 /* Below this neither iter or val is NULL */
2131 else if (xg_item_label_same_p (GTK_MENU_ITEM (iter
->data
), val
->name
))
2133 /* This item is still the same, check next item. */
2135 iter
= g_list_next (iter
);
2138 else /* This item is changed. */
2140 GtkMenuItem
*witem
= GTK_MENU_ITEM (iter
->data
);
2141 GtkMenuItem
*witem2
= 0;
2142 int val_in_menubar
= 0;
2143 int iter_in_new_menubar
= 0;
2147 /* See if the changed entry (val) is present later in the menu bar */
2149 iter2
&& ! val_in_menubar
;
2150 iter2
= g_list_next (iter2
))
2152 witem2
= GTK_MENU_ITEM (iter2
->data
);
2153 val_in_menubar
= xg_item_label_same_p (witem2
, val
->name
);
2156 /* See if the current entry (iter) is present later in the
2157 specification for the new menu bar. */
2158 for (cur
= val
; cur
&& ! iter_in_new_menubar
; cur
= cur
->next
)
2159 iter_in_new_menubar
= xg_item_label_same_p (witem
, cur
->name
);
2161 if (val_in_menubar
&& ! iter_in_new_menubar
)
2165 /* This corresponds to:
2170 gtk_widget_ref (GTK_WIDGET (witem
));
2171 gtk_container_remove (GTK_CONTAINER (menubar
), GTK_WIDGET (witem
));
2172 gtk_widget_destroy (GTK_WIDGET (witem
));
2174 /* Must get new list since the old changed. */
2175 g_list_free (*list
);
2176 *list
= iter
= gtk_container_get_children (GTK_CONTAINER (menubar
));
2177 while (nr
-- > 0) iter
= g_list_next (iter
);
2179 else if (! val_in_menubar
&& ! iter_in_new_menubar
)
2181 /* This corresponds to:
2184 Rename B to X. This might seem to be a strange thing to do,
2185 since if there is a menu under B it will be totally wrong for X.
2186 But consider editing a C file. Then there is a C-mode menu
2187 (corresponds to B above).
2188 If then doing C-x C-f the minibuf menu (X above) replaces the
2189 C-mode menu. When returning from the minibuffer, we get
2190 back the C-mode menu. Thus we do:
2191 Rename B to X (C-mode to minibuf menu)
2192 Rename X to B (minibuf to C-mode menu).
2193 If the X menu hasn't been invoked, the menu under B
2194 is up to date when leaving the minibuffer. */
2195 GtkLabel
*wlabel
= GTK_LABEL (gtk_bin_get_child (GTK_BIN (witem
)));
2196 char *utf8_label
= get_utf8_string (val
->name
);
2197 GtkWidget
*submenu
= gtk_menu_item_get_submenu (witem
);
2199 gtk_label_set_text (wlabel
, utf8_label
);
2201 /* If this item has a submenu that has been detached, change
2202 the title in the WM decorations also. */
2203 if (submenu
&& gtk_menu_get_tearoff_state (GTK_MENU (submenu
)))
2204 /* Set the title of the detached window. */
2205 gtk_menu_set_title (GTK_MENU (submenu
), utf8_label
);
2207 iter
= g_list_next (iter
);
2211 else if (! val_in_menubar
&& iter_in_new_menubar
)
2213 /* This corresponds to:
2220 GtkWidget
*w
= xg_create_one_menuitem (val
,
2227 gtk_widget_set_name (w
, MENU_ITEM_NAME
);
2228 gtk_menu_shell_insert (GTK_MENU_SHELL (menubar
), w
, pos
);
2230 g_list_free (*list
);
2231 *list
= iter
= gtk_container_get_children (GTK_CONTAINER (menubar
));
2232 while (nr
-- > 0) iter
= g_list_next (iter
);
2233 iter
= g_list_next (iter
);
2237 else /* if (val_in_menubar && iter_in_new_menubar) */
2240 /* This corresponds to:
2245 gtk_widget_ref (GTK_WIDGET (witem2
));
2246 gtk_container_remove (GTK_CONTAINER (menubar
), GTK_WIDGET (witem2
));
2247 gtk_menu_shell_insert (GTK_MENU_SHELL (menubar
),
2248 GTK_WIDGET (witem2
), pos
);
2249 gtk_widget_unref (GTK_WIDGET (witem2
));
2251 g_list_free (*list
);
2252 *list
= iter
= gtk_container_get_children (GTK_CONTAINER (menubar
));
2253 while (nr
-- > 0) iter
= g_list_next (iter
);
2259 /* Update the rest of the menu bar. */
2260 xg_update_menubar (menubar
, f
, list
, iter
, pos
, val
,
2261 select_cb
, highlight_cb
, cl_data
);
2264 /* Update the menu item W so it corresponds to VAL.
2265 SELECT_CB is the callback to use when a menu item is selected.
2266 HIGHLIGHT_CB is the callback to call when entering/leaving menu items.
2267 CL_DATA is the data to set in the widget for menu invokation. */
2270 xg_update_menu_item (val
, w
, select_cb
, highlight_cb
, cl_data
)
2273 GCallback select_cb
;
2274 GCallback highlight_cb
;
2275 xg_menu_cb_data
*cl_data
;
2282 const char *old_label
= 0;
2283 const char *old_key
= 0;
2284 xg_menu_item_cb_data
*cb_data
;
2286 wchild
= gtk_bin_get_child (GTK_BIN (w
));
2287 utf8_label
= get_utf8_string (val
->name
);
2288 utf8_key
= get_utf8_string (val
->key
);
2290 /* See if W is a menu item with a key. See make_menu_item above. */
2291 if (GTK_IS_HBOX (wchild
))
2293 GList
*list
= gtk_container_get_children (GTK_CONTAINER (wchild
));
2295 wlbl
= GTK_LABEL (list
->data
);
2296 wkey
= GTK_LABEL (list
->next
->data
);
2301 /* Remove the key and keep just the label. */
2302 gtk_widget_ref (GTK_WIDGET (wlbl
));
2303 gtk_container_remove (GTK_CONTAINER (w
), wchild
);
2304 gtk_container_add (GTK_CONTAINER (w
), GTK_WIDGET (wlbl
));
2309 else /* Just a label. */
2311 wlbl
= GTK_LABEL (wchild
);
2313 /* Check if there is now a key. */
2316 GtkWidget
*wtoadd
= make_widget_for_menu_item (utf8_label
, utf8_key
);
2317 GList
*list
= gtk_container_get_children (GTK_CONTAINER (wtoadd
));
2319 wlbl
= GTK_LABEL (list
->data
);
2320 wkey
= GTK_LABEL (list
->next
->data
);
2323 gtk_container_remove (GTK_CONTAINER (w
), wchild
);
2324 gtk_container_add (GTK_CONTAINER (w
), wtoadd
);
2329 if (wkey
) old_key
= gtk_label_get_label (wkey
);
2330 if (wlbl
) old_label
= gtk_label_get_label (wlbl
);
2332 if (wkey
&& utf8_key
&& (! old_key
|| strcmp (utf8_key
, old_key
) != 0))
2333 gtk_label_set_text (wkey
, utf8_key
);
2335 if (! old_label
|| strcmp (utf8_label
, old_label
) != 0)
2336 gtk_label_set_text (wlbl
, utf8_label
);
2338 if (utf8_key
&& utf8_key
!= val
->key
) g_free (utf8_key
);
2339 if (utf8_label
&& utf8_label
!= val
->name
) g_free (utf8_label
);
2341 if (! val
->enabled
&& GTK_WIDGET_SENSITIVE (w
))
2342 gtk_widget_set_sensitive (w
, FALSE
);
2343 else if (val
->enabled
&& ! GTK_WIDGET_SENSITIVE (w
))
2344 gtk_widget_set_sensitive (w
, TRUE
);
2346 cb_data
= (xg_menu_item_cb_data
*) g_object_get_data (G_OBJECT (w
),
2350 cb_data
->call_data
= val
->call_data
;
2351 cb_data
->help
= val
->help
;
2352 cb_data
->cl_data
= cl_data
;
2354 /* We assume the callback functions don't change. */
2355 if (val
->call_data
&& ! val
->contents
)
2357 /* This item shall have a select callback. */
2358 if (! cb_data
->select_id
)
2360 = g_signal_connect (G_OBJECT (w
), "activate",
2361 select_cb
, cb_data
);
2363 else if (cb_data
->select_id
)
2365 g_signal_handler_disconnect (w
, cb_data
->select_id
);
2366 cb_data
->select_id
= 0;
2369 if (NILP (cb_data
->help
))
2371 /* Shall not have help. Remove if any existed previously. */
2372 if (cb_data
->highlight_id
)
2374 g_signal_handler_disconnect (G_OBJECT (w
),
2375 cb_data
->highlight_id
);
2376 cb_data
->highlight_id
= 0;
2378 if (cb_data
->unhighlight_id
)
2380 g_signal_handler_disconnect (G_OBJECT (w
),
2381 cb_data
->unhighlight_id
);
2382 cb_data
->unhighlight_id
= 0;
2385 else if (! cb_data
->highlight_id
&& highlight_cb
)
2387 /* Have help now, but didn't previously. Add callback. */
2388 cb_data
->highlight_id
2389 = g_signal_connect (G_OBJECT (w
),
2390 "enter-notify-event",
2391 G_CALLBACK (menuitem_highlight_callback
),
2393 cb_data
->unhighlight_id
2394 = g_signal_connect (G_OBJECT (w
),
2395 "leave-notify-event",
2396 G_CALLBACK (menuitem_highlight_callback
),
2402 /* Update the toggle menu item W so it corresponds to VAL. */
2405 xg_update_toggle_item (val
, w
)
2409 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w
), val
->selected
);
2412 /* Update the radio menu item W so it corresponds to VAL. */
2415 xg_update_radio_item (val
, w
)
2419 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (w
), val
->selected
);
2422 /* Update the sub menu SUBMENU and all its children so it corresponds to VAL.
2423 SUBMENU may be NULL, in that case a new menu is created.
2424 F is the frame the menu bar belongs to.
2425 VAL describes the contents of the menu bar.
2426 SELECT_CB is the callback to use when a menu item is selected.
2427 DEACTIVATE_CB is the callback to use when a sub menu is not shown anymore.
2428 HIGHLIGHT_CB is the callback to call when entering/leaving menu items.
2429 CL_DATA is the call back data to use for any newly created items.
2431 Returns the updated submenu widget, that is SUBMENU unless SUBMENU
2435 xg_update_submenu (submenu
, f
, val
,
2436 select_cb
, deactivate_cb
, highlight_cb
, cl_data
)
2440 GCallback select_cb
;
2441 GCallback deactivate_cb
;
2442 GCallback highlight_cb
;
2443 xg_menu_cb_data
*cl_data
;
2445 GtkWidget
*newsub
= submenu
;
2449 int has_tearoff_p
= 0;
2450 GList
*first_radio
= 0;
2453 list
= gtk_container_get_children (GTK_CONTAINER (submenu
));
2455 for (cur
= val
, iter
= list
;
2457 iter
= g_list_next (iter
), cur
= cur
->next
)
2459 GtkWidget
*w
= GTK_WIDGET (iter
->data
);
2461 /* Skip tearoff items, they have no counterpart in val. */
2462 if (GTK_IS_TEAROFF_MENU_ITEM (w
))
2465 iter
= g_list_next (iter
);
2466 if (iter
) w
= GTK_WIDGET (iter
->data
);
2470 /* Remember first radio button in a group. If we get a mismatch in
2471 a radio group we must rebuild the whole group so that the connections
2472 in GTK becomes correct. */
2473 if (cur
->button_type
== BUTTON_TYPE_RADIO
&& ! first_radio
)
2475 else if (cur
->button_type
!= BUTTON_TYPE_RADIO
2476 && ! GTK_IS_RADIO_MENU_ITEM (w
))
2479 if (GTK_IS_SEPARATOR_MENU_ITEM (w
))
2481 if (! xg_separator_p (cur
->name
))
2484 else if (GTK_IS_CHECK_MENU_ITEM (w
))
2486 if (cur
->button_type
!= BUTTON_TYPE_TOGGLE
)
2488 xg_update_toggle_item (cur
, w
);
2489 xg_update_menu_item (cur
, w
, select_cb
, highlight_cb
, cl_data
);
2491 else if (GTK_IS_RADIO_MENU_ITEM (w
))
2493 if (cur
->button_type
!= BUTTON_TYPE_RADIO
)
2495 xg_update_radio_item (cur
, w
);
2496 xg_update_menu_item (cur
, w
, select_cb
, highlight_cb
, cl_data
);
2498 else if (GTK_IS_MENU_ITEM (w
))
2500 GtkMenuItem
*witem
= GTK_MENU_ITEM (w
);
2503 if (cur
->button_type
!= BUTTON_TYPE_NONE
||
2504 xg_separator_p (cur
->name
))
2507 xg_update_menu_item (cur
, w
, select_cb
, highlight_cb
, cl_data
);
2509 sub
= gtk_menu_item_get_submenu (witem
);
2510 if (sub
&& ! cur
->contents
)
2512 /* Not a submenu anymore. */
2513 gtk_widget_ref (sub
);
2514 gtk_menu_item_remove_submenu (witem
);
2515 gtk_widget_destroy (sub
);
2517 else if (cur
->contents
)
2521 nsub
= xg_update_submenu (sub
, f
, cur
->contents
,
2522 select_cb
, deactivate_cb
,
2523 highlight_cb
, cl_data
);
2525 /* If this item just became a submenu, we must set it. */
2527 gtk_menu_item_set_submenu (witem
, nsub
);
2532 /* Structural difference. Remove everything from here and down
2538 /* Remove widgets from first structual change. */
2541 /* If we are adding new menu items below, we must remove from
2542 first radio button so that radio groups become correct. */
2543 if (cur
&& first_radio
) xg_destroy_widgets (first_radio
);
2544 else xg_destroy_widgets (iter
);
2549 /* More items added. Create them. */
2550 newsub
= create_menus (cur
,
2563 if (list
) g_list_free (list
);
2568 /* Update the MENUBAR.
2569 F is the frame the menu bar belongs to.
2570 VAL describes the contents of the menu bar.
2571 If DEEP_P is non-zero, rebuild all but the top level menu names in
2572 the MENUBAR. If DEEP_P is zero, just rebuild the names in the menubar.
2573 SELECT_CB is the callback to use when a menu item is selected.
2574 DEACTIVATE_CB is the callback to use when a sub menu is not shown anymore.
2575 HIGHLIGHT_CB is the callback to call when entering/leaving menu items. */
2578 xg_modify_menubar_widgets (menubar
, f
, val
, deep_p
,
2579 select_cb
, deactivate_cb
, highlight_cb
)
2584 GCallback select_cb
;
2585 GCallback deactivate_cb
;
2586 GCallback highlight_cb
;
2588 xg_menu_cb_data
*cl_data
;
2589 GList
*list
= gtk_container_get_children (GTK_CONTAINER (menubar
));
2593 cl_data
= (xg_menu_cb_data
*) g_object_get_data (G_OBJECT (menubar
),
2596 xg_update_menubar (menubar
, f
, &list
, list
, 0, val
->contents
,
2597 select_cb
, highlight_cb
, cl_data
);
2603 /* Update all sub menus.
2604 We must keep the submenus (GTK menu item widgets) since the
2605 X Window in the XEvent that activates the menu are those widgets. */
2607 /* Update cl_data, menu_item things in F may have changed. */
2608 update_cl_data (cl_data
, f
, highlight_cb
);
2610 for (cur
= val
->contents
; cur
; cur
= cur
->next
)
2617 /* Find sub menu that corresponds to val and update it. */
2618 for (iter
= list
; iter
; iter
= g_list_next (iter
))
2620 witem
= GTK_MENU_ITEM (iter
->data
);
2621 if (xg_item_label_same_p (witem
, cur
->name
))
2623 sub
= gtk_menu_item_get_submenu (witem
);
2628 newsub
= xg_update_submenu (sub
,
2635 /* sub may still be NULL. If we just updated non deep and added
2636 a new menu bar item, it has no sub menu yet. So we set the
2637 newly created sub menu under witem. */
2640 xg_set_screen (newsub
, f
);
2641 gtk_menu_item_set_submenu (witem
, newsub
);
2647 gtk_widget_show_all (menubar
);
2650 /* Recompute all the widgets of frame F, when the menu bar has been
2651 changed. Value is non-zero if widgets were updated. */
2654 xg_update_frame_menubar (f
)
2657 struct x_output
*x
= f
->output_data
.x
;
2660 if (!x
->menubar_widget
|| GTK_WIDGET_MAPPED (x
->menubar_widget
))
2665 gtk_box_pack_start (GTK_BOX (x
->vbox_widget
), x
->menubar_widget
,
2667 gtk_box_reorder_child (GTK_BOX (x
->vbox_widget
), x
->menubar_widget
, 0);
2669 gtk_widget_show_all (x
->menubar_widget
);
2670 gtk_widget_size_request (x
->menubar_widget
, &req
);
2672 FRAME_MENUBAR_HEIGHT (f
) = req
.height
;
2674 /* The height has changed, resize outer widget and set columns
2675 rows to what we had before adding the menu bar. */
2676 xg_resize_outer_widget (f
, FRAME_COLS (f
), FRAME_LINES (f
));
2678 SET_FRAME_GARBAGED (f
);
2684 /* Get rid of the menu bar of frame F, and free its storage.
2685 This is used when deleting a frame, and when turning off the menu bar. */
2688 free_frame_menubar (f
)
2691 struct x_output
*x
= f
->output_data
.x
;
2693 if (x
->menubar_widget
)
2697 gtk_container_remove (GTK_CONTAINER (x
->vbox_widget
), x
->menubar_widget
);
2698 /* The menubar and its children shall be deleted when removed from
2700 x
->menubar_widget
= 0;
2701 FRAME_MENUBAR_HEIGHT (f
) = 0;
2703 /* The height has changed, resize outer widget and set columns
2704 rows to what we had before removing the menu bar. */
2705 xg_resize_outer_widget (f
, FRAME_COLS (f
), FRAME_LINES (f
));
2707 SET_FRAME_GARBAGED (f
);
2714 /***********************************************************************
2715 Scroll bar functions
2716 ***********************************************************************/
2719 /* Setting scroll bar values invokes the callback. Use this variable
2720 to indicate that callback should do nothing. */
2722 int xg_ignore_gtk_scrollbar
;
2724 /* SET_SCROLL_BAR_X_WINDOW assumes the second argument fits in
2725 32 bits. But we want to store pointers, and they may be larger
2726 than 32 bits. Keep a mapping from integer index to widget pointers
2727 to get around the 32 bit limitation. */
2731 GtkWidget
**widgets
;
2736 /* Grow this much every time we need to allocate more */
2738 #define ID_TO_WIDGET_INCR 32
2740 /* Store the widget pointer W in id_to_widget and return the integer index. */
2743 xg_store_widget_in_map (w
)
2748 if (id_to_widget
.max_size
== id_to_widget
.used
)
2750 int new_size
= id_to_widget
.max_size
+ ID_TO_WIDGET_INCR
;
2752 id_to_widget
.widgets
= xrealloc (id_to_widget
.widgets
,
2753 sizeof (GtkWidget
*)*new_size
);
2755 for (i
= id_to_widget
.max_size
; i
< new_size
; ++i
)
2756 id_to_widget
.widgets
[i
] = 0;
2757 id_to_widget
.max_size
= new_size
;
2760 /* Just loop over the array and find a free place. After all,
2761 how many scroll bars are we creating? Should be a small number.
2762 The check above guarantees we will find a free place. */
2763 for (i
= 0; i
< id_to_widget
.max_size
; ++i
)
2765 if (! id_to_widget
.widgets
[i
])
2767 id_to_widget
.widgets
[i
] = w
;
2768 ++id_to_widget
.used
;
2774 /* Should never end up here */
2778 /* Remove pointer at IDX from id_to_widget.
2779 Called when scroll bar is destroyed. */
2782 xg_remove_widget_from_map (idx
)
2785 if (idx
< id_to_widget
.max_size
&& id_to_widget
.widgets
[idx
] != 0)
2787 id_to_widget
.widgets
[idx
] = 0;
2788 --id_to_widget
.used
;
2792 /* Get the widget pointer at IDX from id_to_widget. */
2795 xg_get_widget_from_map (idx
)
2798 if (idx
< id_to_widget
.max_size
&& id_to_widget
.widgets
[idx
] != 0)
2799 return id_to_widget
.widgets
[idx
];
2804 /* Return the scrollbar id for X Window WID on display DPY.
2805 Return -1 if WID not in id_to_widget. */
2808 xg_get_scroll_id_for_window (dpy
, wid
)
2815 w
= xg_win_to_widget (dpy
, wid
);
2819 for (idx
= 0; idx
< id_to_widget
.max_size
; ++idx
)
2820 if (id_to_widget
.widgets
[idx
] == w
)
2827 /* Callback invoked when scroll bar WIDGET is destroyed.
2828 DATA is the index into id_to_widget for WIDGET.
2829 We free pointer to last scroll bar values here and remove the index. */
2832 xg_gtk_scroll_destroy (widget
, data
)
2839 p
= g_object_get_data (G_OBJECT (widget
), XG_LAST_SB_DATA
);
2841 xg_remove_widget_from_map (id
);
2844 /* Callback for button press/release events. Used to start timer so that
2845 the scroll bar repetition timer in GTK gets handeled.
2846 Also, sets bar->dragging to Qnil when dragging (button release) is done.
2847 WIDGET is the scroll bar widget the event is for (not used).
2848 EVENT contains the event.
2849 USER_DATA points to the struct scrollbar structure.
2851 Returns FALSE to tell GTK that it shall continue propagate the event
2855 scroll_bar_button_cb (widget
, event
, user_data
)
2857 GdkEventButton
*event
;
2860 if (event
->type
== GDK_BUTTON_PRESS
&& ! xg_timer
)
2862 else if (event
->type
== GDK_BUTTON_RELEASE
)
2864 struct scroll_bar
*bar
= (struct scroll_bar
*) user_data
;
2865 if (xg_timer
) xg_stop_timer ();
2866 bar
->dragging
= Qnil
;
2872 /* Create a scroll bar widget for frame F. Store the scroll bar
2874 SCROLL_CALLBACK is the callback to invoke when the value of the
2876 SCROLL_BAR_NAME is the name we use for the scroll bar. Can be used
2877 to set resources for the widget. */
2880 xg_create_scroll_bar (f
, bar
, scroll_callback
, scroll_bar_name
)
2882 struct scroll_bar
*bar
;
2883 GCallback scroll_callback
;
2884 char *scroll_bar_name
;
2891 /* Page, step increment values are not so important here, they
2892 will be corrected in x_set_toolkit_scroll_bar_thumb. */
2893 vadj
= gtk_adjustment_new (XG_SB_MIN
, XG_SB_MIN
, XG_SB_MAX
,
2896 wscroll
= gtk_vscrollbar_new (GTK_ADJUSTMENT (vadj
));
2897 webox
= gtk_event_box_new ();
2898 gtk_widget_set_name (wscroll
, scroll_bar_name
);
2899 gtk_range_set_update_policy (GTK_RANGE (wscroll
), GTK_UPDATE_CONTINUOUS
);
2901 scroll_id
= xg_store_widget_in_map (wscroll
);
2903 g_signal_connect (G_OBJECT (wscroll
),
2907 g_signal_connect (G_OBJECT (wscroll
),
2909 G_CALLBACK (xg_gtk_scroll_destroy
),
2910 (gpointer
) scroll_id
);
2912 /* Connect to button press and button release to detect if any scroll bar
2914 g_signal_connect (G_OBJECT (wscroll
),
2915 "button-press-event",
2916 G_CALLBACK (scroll_bar_button_cb
),
2918 g_signal_connect (G_OBJECT (wscroll
),
2919 "button-release-event",
2920 G_CALLBACK (scroll_bar_button_cb
),
2923 /* The scroll bar widget does not draw on a window of its own. Instead
2924 it draws on the parent window, in this case the edit widget. So
2925 whenever the edit widget is cleared, the scroll bar needs to redraw
2926 also, which causes flicker. Put an event box between the edit widget
2927 and the scroll bar, so the scroll bar instead draws itself on the
2928 event box window. */
2929 gtk_fixed_put (GTK_FIXED (f
->output_data
.x
->edit_widget
), webox
, -1, -1);
2930 gtk_container_add (GTK_CONTAINER (webox
), wscroll
);
2933 /* Set the cursor to an arrow. */
2934 xg_set_cursor (webox
, FRAME_X_DISPLAY_INFO (f
)->xg_cursor
);
2936 SET_SCROLL_BAR_X_WINDOW (bar
, scroll_id
);
2939 /* Make the scroll bar represented by SCROLLBAR_ID visible. */
2942 xg_show_scroll_bar (scrollbar_id
)
2945 GtkWidget
*w
= xg_get_widget_from_map (scrollbar_id
);
2947 gtk_widget_show_all (gtk_widget_get_parent (w
));
2950 /* Remove the scroll bar represented by SCROLLBAR_ID from the frame F. */
2953 xg_remove_scroll_bar (f
, scrollbar_id
)
2957 GtkWidget
*w
= xg_get_widget_from_map (scrollbar_id
);
2960 GtkWidget
*wparent
= gtk_widget_get_parent (w
);
2961 gtk_widget_destroy (w
);
2962 gtk_widget_destroy (wparent
);
2963 SET_FRAME_GARBAGED (f
);
2967 /* Update the position of the vertical scroll bar represented by SCROLLBAR_ID
2969 TOP/LEFT are the new pixel positions where the bar shall appear.
2970 WIDTH, HEIGHT is the size in pixels the bar shall have. */
2973 xg_update_scrollbar_pos (f
, scrollbar_id
, top
, left
, width
, height
)
2982 GtkWidget
*wscroll
= xg_get_widget_from_map (scrollbar_id
);
2986 GtkWidget
*wfixed
= f
->output_data
.x
->edit_widget
;
2987 GtkWidget
*wparent
= gtk_widget_get_parent (wscroll
);
2989 /* Move and resize to new values. */
2990 gtk_widget_set_size_request (wscroll
, width
, height
);
2991 gtk_fixed_move (GTK_FIXED (wfixed
), wparent
, left
, top
);
2993 SET_FRAME_GARBAGED (f
);
2994 cancel_mouse_face (f
);
2998 /* Set the thumb size and position of scroll bar BAR. We are currently
2999 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3002 xg_set_toolkit_scroll_bar_thumb (bar
, portion
, position
, whole
)
3003 struct scroll_bar
*bar
;
3004 int portion
, position
, whole
;
3006 GtkWidget
*wscroll
= xg_get_widget_from_map (SCROLL_BAR_X_WINDOW (bar
));
3008 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3010 if (wscroll
&& NILP (bar
->dragging
))
3019 adj
= gtk_range_get_adjustment (GTK_RANGE (wscroll
));
3021 /* We do the same as for MOTIF in xterm.c, assume 30 chars per line
3022 rather than the real portion value. This makes the thumb less likely
3023 to resize and that looks better. */
3024 portion
= WINDOW_TOTAL_LINES (XWINDOW (bar
->window
)) * 30;
3025 /* When the thumb is at the bottom, position == whole.
3026 So we need to increase `whole' to make space for the thumb. */
3033 top
= (gdouble
) position
/ whole
;
3034 shown
= (gdouble
) portion
/ whole
;
3037 size
= shown
* XG_SB_RANGE
;
3038 size
= min (size
, XG_SB_RANGE
);
3039 size
= max (size
, 1);
3041 value
= top
* XG_SB_RANGE
;
3042 value
= min (value
, XG_SB_MAX
- size
);
3043 value
= max (value
, XG_SB_MIN
);
3045 /* Assume all lines are of equal size. */
3046 new_step
= size
/ max (1, FRAME_LINES (f
));
3048 if ((int) adj
->page_size
!= size
3049 || (int) adj
->step_increment
!= new_step
)
3051 adj
->page_size
= size
;
3052 adj
->step_increment
= new_step
;
3053 /* Assume a page increment is about 95% of the page size */
3054 adj
->page_increment
= (int) (0.95*adj
->page_size
);
3058 if (changed
|| (int) gtk_range_get_value (GTK_RANGE (wscroll
)) != value
)
3060 GtkWidget
*wfixed
= f
->output_data
.x
->edit_widget
;
3064 /* gtk_range_set_value invokes the callback. Set
3065 ignore_gtk_scrollbar to make the callback do nothing */
3066 xg_ignore_gtk_scrollbar
= 1;
3068 if ((int) gtk_range_get_value (GTK_RANGE (wscroll
)) != value
)
3069 gtk_range_set_value (GTK_RANGE (wscroll
), (gdouble
)value
);
3071 gtk_adjustment_changed (adj
);
3073 xg_ignore_gtk_scrollbar
= 0;
3081 /***********************************************************************
3083 ***********************************************************************/
3084 /* The key for the data we put in the GtkImage widgets. The data is
3085 the image used by Emacs. We use this to see if we need to update
3086 the GtkImage with a new image. */
3087 #define XG_TOOL_BAR_IMAGE_DATA "emacs-tool-bar-image"
3089 /* Callback function invoked when a tool bar item is pressed.
3090 W is the button widget in the tool bar that got pressed,
3091 CLIENT_DATA is an integer that is the index of the button in the
3092 tool bar. 0 is the first button. */
3095 xg_tool_bar_callback (w
, client_data
)
3097 gpointer client_data
;
3099 int idx
= (int)client_data
;
3100 FRAME_PTR f
= (FRAME_PTR
) g_object_get_data (G_OBJECT (w
), XG_FRAME_DATA
);
3101 Lisp_Object key
, frame
;
3102 struct input_event event
;
3105 if (! f
|| ! f
->n_tool_bar_items
|| NILP (f
->tool_bar_items
))
3108 idx
*= TOOL_BAR_ITEM_NSLOTS
;
3110 key
= AREF (f
->tool_bar_items
, idx
+ TOOL_BAR_ITEM_KEY
);
3111 XSETFRAME (frame
, f
);
3112 event
.kind
= TOOL_BAR_EVENT
;
3113 event
.frame_or_window
= frame
;
3115 kbd_buffer_store_event (&event
);
3117 event
.kind
= TOOL_BAR_EVENT
;
3118 event
.frame_or_window
= frame
;
3120 event
.modifiers
= 0; /* These are not available. */
3121 kbd_buffer_store_event (&event
);
3124 /* This callback is called when a tool bar is detached. We must set
3125 the height of the tool bar to zero when this happens so frame sizes
3126 are correctly calculated.
3127 WBOX is the handle box widget that enables detach/attach of the tool bar.
3128 W is the tool bar widget.
3129 CLIENT_DATA is a pointer to the frame the tool bar belongs to. */
3132 xg_tool_bar_detach_callback (wbox
, w
, client_data
)
3135 gpointer client_data
;
3137 FRAME_PTR f
= (FRAME_PTR
) client_data
;
3141 /* When detaching a tool bar, not everything dissapear. There are
3142 a few pixels left that are used to drop the tool bar back into
3144 int bw
= gtk_container_get_border_width (GTK_CONTAINER (wbox
));
3145 FRAME_TOOLBAR_HEIGHT (f
) = 2;
3147 /* The height has changed, resize outer widget and set columns
3148 rows to what we had before detaching the tool bar. */
3149 xg_resize_outer_widget (f
, FRAME_COLS (f
), FRAME_LINES (f
));
3153 /* This callback is called when a tool bar is reattached. We must set
3154 the height of the tool bar when this happens so frame sizes
3155 are correctly calculated.
3156 WBOX is the handle box widget that enables detach/attach of the tool bar.
3157 W is the tool bar widget.
3158 CLIENT_DATA is a pointer to the frame the tool bar belongs to. */
3161 xg_tool_bar_attach_callback (wbox
, w
, client_data
)
3164 gpointer client_data
;
3166 FRAME_PTR f
= (FRAME_PTR
) client_data
;
3172 gtk_widget_size_request (w
, &req
);
3173 FRAME_TOOLBAR_HEIGHT (f
) = req
.height
;
3175 /* The height has changed, resize outer widget and set columns
3176 rows to what we had before detaching the tool bar. */
3177 xg_resize_outer_widget (f
, FRAME_COLS (f
), FRAME_LINES (f
));
3181 /* This callback is called when the mouse enters or leaves a tool bar item.
3182 It is used for displaying and hiding the help text.
3183 W is the tool bar item, a button.
3184 EVENT is either an enter event or leave event.
3185 CLIENT_DATA is an integer that is the index of the button in the
3186 tool bar. 0 is the first button.
3188 Returns FALSE to tell GTK to keep processing this event. */
3191 xg_tool_bar_help_callback (w
, event
, client_data
)
3193 GdkEventCrossing
*event
;
3194 gpointer client_data
;
3196 int idx
= (int)client_data
;
3197 FRAME_PTR f
= (FRAME_PTR
) g_object_get_data (G_OBJECT (w
), XG_FRAME_DATA
);
3198 Lisp_Object help
, frame
;
3200 if (! GTK_IS_BUTTON (w
))
3205 if (! f
|| ! f
->n_tool_bar_items
|| NILP (f
->tool_bar_items
))
3208 if (event
->type
== GDK_ENTER_NOTIFY
)
3210 idx
*= TOOL_BAR_ITEM_NSLOTS
;
3211 help
= AREF (f
->tool_bar_items
, idx
+ TOOL_BAR_ITEM_HELP
);
3214 help
= AREF (f
->tool_bar_items
, idx
+ TOOL_BAR_ITEM_CAPTION
);
3219 XSETFRAME (frame
, f
);
3220 kbd_buffer_store_help_event (frame
, help
);
3226 /* This callback is called when a tool bar item shall be redrawn.
3227 It modifies the expose event so that the GtkImage widget redraws the
3228 whole image. This to overcome a bug that makes GtkImage draw the image
3229 in the wrong place when it tries to redraw just a part of the image.
3230 W is the GtkImage to be redrawn.
3231 EVENT is the expose event for W.
3232 CLIENT_DATA is unused.
3234 Returns FALSE to tell GTK to keep processing this event. */
3237 xg_tool_bar_item_expose_callback (w
, event
, client_data
)
3239 GdkEventExpose
*event
;
3240 gpointer client_data
;
3244 gdk_drawable_get_size (event
->window
, &width
, &height
);
3246 event
->area
.x
-= width
> event
->area
.width
? width
-event
->area
.width
: 0;
3247 event
->area
.y
-= height
> event
->area
.height
? height
-event
->area
.height
: 0;
3249 event
->area
.x
= max (0, event
->area
.x
);
3250 event
->area
.y
= max (0, event
->area
.y
);
3252 event
->area
.width
= max (width
, event
->area
.width
);
3253 event
->area
.height
= max (height
, event
->area
.height
);
3258 /* This callback is called when a tool bar shall be redrawn.
3259 We need to update the tool bar from here in case the image cache
3260 has deleted the pixmaps used in the tool bar.
3261 W is the GtkToolbar to be redrawn.
3262 EVENT is the expose event for W.
3263 CLIENT_DATA is pointing to the frame for this tool bar.
3265 Returns FALSE to tell GTK to keep processing this event. */
3268 xg_tool_bar_expose_callback (w
, event
, client_data
)
3270 GdkEventExpose
*event
;
3271 gpointer client_data
;
3273 update_frame_tool_bar ((FRAME_PTR
) client_data
);
3277 /* Create a tool bar for frame F. */
3280 xg_create_tool_bar (f
)
3283 struct x_output
*x
= f
->output_data
.x
;
3285 int vbox_pos
= x
->menubar_widget
? 1 : 0;
3287 x
->toolbar_widget
= gtk_toolbar_new ();
3288 x
->handlebox_widget
= gtk_handle_box_new ();
3289 gtk_container_add (GTK_CONTAINER (x
->handlebox_widget
),
3292 gtk_box_pack_start (GTK_BOX (x
->vbox_widget
), x
->handlebox_widget
,
3295 gtk_box_reorder_child (GTK_BOX (x
->vbox_widget
), x
->handlebox_widget
,
3298 gtk_widget_set_name (x
->toolbar_widget
, "emacs-toolbar");
3300 /* We only have icons, so override any user setting. We could
3301 use the caption property of the toolbar item (see update_frame_tool_bar
3302 below), but some of those strings are long, making the toolbar so
3303 long it does not fit on the screen. The GtkToolbar widget makes every
3304 item equal size, so the longest caption determine the size of every
3305 tool bar item. I think the creators of the GtkToolbar widget
3306 counted on 4 or 5 character long strings. */
3307 gtk_toolbar_set_style (GTK_TOOLBAR (x
->toolbar_widget
), GTK_TOOLBAR_ICONS
);
3308 gtk_toolbar_set_orientation (GTK_TOOLBAR (x
->toolbar_widget
),
3309 GTK_ORIENTATION_HORIZONTAL
);
3311 g_signal_connect (G_OBJECT (x
->handlebox_widget
), "child-detached",
3312 G_CALLBACK (xg_tool_bar_detach_callback
), f
);
3313 g_signal_connect (G_OBJECT (x
->handlebox_widget
), "child-attached",
3314 G_CALLBACK (xg_tool_bar_attach_callback
), f
);
3315 g_signal_connect (G_OBJECT (x
->toolbar_widget
),
3317 G_CALLBACK (xg_tool_bar_expose_callback
),
3320 gtk_widget_show_all (x
->handlebox_widget
);
3322 gtk_widget_size_request (x
->toolbar_widget
, &req
);
3323 FRAME_TOOLBAR_HEIGHT (f
) = req
.height
;
3325 /* The height has changed, resize outer widget and set columns
3326 rows to what we had before adding the tool bar. */
3327 xg_resize_outer_widget (f
, FRAME_COLS (f
), FRAME_LINES (f
));
3329 SET_FRAME_GARBAGED (f
);
3332 /* Update the tool bar for frame F. Add new buttons and remove old. */
3335 update_frame_tool_bar (f
)
3339 GtkRequisition old_req
, new_req
;
3342 struct x_output
*x
= f
->output_data
.x
;
3344 if (! FRAME_GTK_WIDGET (f
))
3349 if (! x
->toolbar_widget
)
3350 xg_create_tool_bar (f
);
3352 gtk_widget_size_request (x
->toolbar_widget
, &old_req
);
3354 icon_list
= gtk_container_get_children (GTK_CONTAINER (x
->toolbar_widget
));
3357 for (i
= 0; i
< f
->n_tool_bar_items
; ++i
)
3359 #define PROP(IDX) AREF (f->tool_bar_items, i * TOOL_BAR_ITEM_NSLOTS + (IDX))
3361 int enabled_p
= !NILP (PROP (TOOL_BAR_ITEM_ENABLED_P
));
3362 int selected_p
= !NILP (PROP (TOOL_BAR_ITEM_SELECTED_P
));
3367 GtkWidget
*wicon
= iter
? GTK_WIDGET (iter
->data
) : 0;
3369 if (iter
) iter
= g_list_next (iter
);
3371 /* If image is a vector, choose the image according to the
3373 image
= PROP (TOOL_BAR_ITEM_IMAGES
);
3374 if (VECTORP (image
))
3378 ? TOOL_BAR_IMAGE_ENABLED_SELECTED
3379 : TOOL_BAR_IMAGE_ENABLED_DESELECTED
);
3382 ? TOOL_BAR_IMAGE_DISABLED_SELECTED
3383 : TOOL_BAR_IMAGE_DISABLED_DESELECTED
);
3385 xassert (ASIZE (image
) >= idx
);
3386 image
= AREF (image
, idx
);
3391 /* Ignore invalid image specifications. */
3392 if (!valid_image_p (image
))
3394 if (wicon
) gtk_widget_hide (wicon
);
3398 img_id
= lookup_image (f
, image
);
3399 img
= IMAGE_FROM_ID (f
, img_id
);
3400 prepare_image_for_display (f
, img
);
3402 if (img
->load_failed_p
|| img
->pixmap
== None
)
3404 if (wicon
) gtk_widget_hide (wicon
);
3410 GtkWidget
*w
= xg_get_image_for_pixmap (f
, img
, x
->widget
, NULL
);
3412 gtk_toolbar_append_item (GTK_TOOLBAR (x
->toolbar_widget
),
3415 GTK_SIGNAL_FUNC (xg_tool_bar_callback
),
3418 /* Save the image so we can see if an update is needed when
3419 this function is called again. */
3420 g_object_set_data (G_OBJECT (w
), XG_TOOL_BAR_IMAGE_DATA
,
3421 (gpointer
)img
->pixmap
);
3423 /* Catch expose events to overcome an annoying redraw bug, see
3424 comment for xg_tool_bar_item_expose_callback. */
3425 g_signal_connect (G_OBJECT (w
),
3427 G_CALLBACK (xg_tool_bar_item_expose_callback
),
3430 /* We must set sensitive on the button that is the parent
3431 of the GtkImage parent. Go upwards until we find the button. */
3432 while (! GTK_IS_BUTTON (w
))
3433 w
= gtk_widget_get_parent (w
);
3437 /* Save the frame in the button so the xg_tool_bar_callback
3439 g_object_set_data (G_OBJECT (w
), XG_FRAME_DATA
, (gpointer
)f
);
3440 gtk_widget_set_sensitive (w
, enabled_p
);
3442 /* Use enter/leave notify to show help. We use the events
3443 rather than the GtkButton specific signals "enter" and
3444 "leave", so we can have only one callback. The event
3445 will tell us what kind of event it is. */
3446 g_signal_connect (G_OBJECT (w
),
3447 "enter-notify-event",
3448 G_CALLBACK (xg_tool_bar_help_callback
),
3450 g_signal_connect (G_OBJECT (w
),
3451 "leave-notify-event",
3452 G_CALLBACK (xg_tool_bar_help_callback
),
3458 /* The child of the tool bar is a button. Inside that button
3459 is a vbox. Inside that vbox is the GtkImage. */
3460 GtkWidget
*wvbox
= gtk_bin_get_child (GTK_BIN (wicon
));
3461 GList
*chlist
= gtk_container_get_children (GTK_CONTAINER (wvbox
));
3462 GtkImage
*wimage
= GTK_IMAGE (chlist
->data
);
3463 Pixmap old_img
= (Pixmap
)g_object_get_data (G_OBJECT (wimage
),
3464 XG_TOOL_BAR_IMAGE_DATA
);
3465 g_list_free (chlist
);
3467 if (old_img
!= img
->pixmap
)
3468 (void) xg_get_image_for_pixmap (f
, img
, x
->widget
, wimage
);
3470 g_object_set_data (G_OBJECT (wimage
), XG_TOOL_BAR_IMAGE_DATA
,
3471 (gpointer
)img
->pixmap
);
3473 gtk_widget_set_sensitive (wicon
, enabled_p
);
3474 gtk_widget_show (wicon
);
3480 /* Remove buttons not longer needed. We just hide them so they
3481 can be reused later on. */
3484 GtkWidget
*w
= GTK_WIDGET (iter
->data
);
3485 gtk_widget_hide (w
);
3486 iter
= g_list_next (iter
);
3489 gtk_widget_size_request (x
->toolbar_widget
, &new_req
);
3490 if (old_req
.height
!= new_req
.height
)
3492 FRAME_TOOLBAR_HEIGHT (f
) = new_req
.height
;
3493 xg_resize_outer_widget (f
, FRAME_COLS (f
), FRAME_LINES (f
));
3496 if (icon_list
) g_list_free (icon_list
);
3501 /* Deallocate all resources for the tool bar on frame F.
3502 Remove the tool bar. */
3505 free_frame_tool_bar (f
)
3508 struct x_output
*x
= f
->output_data
.x
;
3510 if (x
->toolbar_widget
)
3513 gtk_container_remove (GTK_CONTAINER (x
->vbox_widget
),
3514 x
->handlebox_widget
);
3515 x
->toolbar_widget
= 0;
3516 x
->handlebox_widget
= 0;
3517 FRAME_TOOLBAR_HEIGHT (f
) = 0;
3519 /* The height has changed, resize outer widget and set columns
3520 rows to what we had before removing the tool bar. */
3521 xg_resize_outer_widget (f
, FRAME_COLS (f
), FRAME_LINES (f
));
3523 SET_FRAME_GARBAGED (f
);
3530 /***********************************************************************
3532 ***********************************************************************/
3536 xg_ignore_gtk_scrollbar
= 0;
3537 xg_detached_menus
= 0;
3538 xg_menu_cb_list
.prev
= xg_menu_cb_list
.next
=
3539 xg_menu_item_cb_list
.prev
= xg_menu_item_cb_list
.next
= 0;
3541 id_to_widget
.max_size
= id_to_widget
.used
= 0;
3542 id_to_widget
.widgets
= 0;
3544 /* Remove F10 as a menu accelerator, it does not mix well with Emacs key
3545 bindings. It doesn't seem to be any way to remove properties,
3546 so we set it to VoidSymbol which in X means "no key". */
3547 gtk_settings_set_string_property (gtk_settings_get_default (),
3548 "gtk-menu-bar-accel",
3552 /* Make GTK text input widgets use Emacs style keybindings. This is
3554 gtk_settings_set_string_property (gtk_settings_get_default (),
3555 "gtk-key-theme-name",
3560 #endif /* USE_GTK */
3562 /* arch-tag: fe7104da-bc1e-4aba-9bd1-f349c528f7e3
3563 (do not change this comment) */