1 /* gtkcombo - combo widget for gtk+
2 * Copyright 1997 Paolo Molaro
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
26 #include "gtkeventbox.h"
27 #include "gtkbutton.h"
28 #include "gtklistitem.h"
29 #include "gtkscrolledwindow.h"
31 #include "gtksignal.h"
32 #include "gtkwindow.h"
33 #include "gdk/gdkkeysyms.h"
37 const gchar *gtk_combo_string_key = "gtk-combo-string-value";
39 #define COMBO_LIST_MAX_HEIGHT (400)
40 #define EMPTY_LIST_HEIGHT (15)
42 static void gtk_combo_class_init (GtkComboClass *klass);
43 static void gtk_combo_init (GtkCombo *combo);
44 static void gtk_combo_destroy (GtkObject *combo);
45 static GtkListItem *gtk_combo_find (GtkCombo *combo);
46 static gchar * gtk_combo_func (GtkListItem *li);
47 static gint gtk_combo_focus_idle (GtkCombo *combo);
48 static gint gtk_combo_entry_focus_out (GtkEntry *entry,
51 static void gtk_combo_get_pos (GtkCombo *combo,
56 static void gtk_combo_popup_list (GtkCombo *combo);
57 static void gtk_combo_activate (GtkWidget *widget,
59 static void gtk_combo_popup_button_press (GtkWidget *button,
60 GdkEventButton *event,
62 static void gtk_combo_popup_button_leave (GtkWidget *button,
63 GdkEventCrossing *event,
65 static void gtk_combo_update_entry (GtkList *list,
67 static void gtk_combo_update_list (GtkEntry *entry,
69 static gint gtk_combo_button_press (GtkWidget *widget,
72 static gint gtk_combo_button_release (GtkWidget *widget,
75 static gint gtk_combo_list_enter (GtkWidget *widget,
76 GdkEventCrossing *event,
78 static gint gtk_combo_list_key_press (GtkWidget *widget,
81 static gint gtk_combo_entry_key_press (GtkEntry *widget,
84 static void gtk_combo_item_destroy (GtkObject *object);
85 static void gtk_combo_size_allocate (GtkWidget *widget,
86 GtkAllocation *allocation);
88 static GtkHBoxClass *parent_class = NULL;
91 gtk_combo_class_init (GtkComboClass * klass)
93 GtkObjectClass *oclass;
94 GtkWidgetClass *widget_class;
96 parent_class = gtk_type_class (gtk_hbox_get_type ());
97 oclass = (GtkObjectClass *) klass;
98 widget_class = (GtkWidgetClass *) klass;
100 oclass->destroy = gtk_combo_destroy;
102 widget_class->size_allocate = gtk_combo_size_allocate;
106 gtk_combo_destroy (GtkObject * combo)
108 gtk_widget_destroy (GTK_COMBO (combo)->popwin);
109 gtk_widget_unref (GTK_COMBO (combo)->popwin);
111 if (GTK_OBJECT_CLASS (parent_class)->destroy)
112 (*GTK_OBJECT_CLASS (parent_class)->destroy) (combo);
116 gtk_combo_entry_key_press (GtkEntry * entry, GdkEventKey * event, GtkCombo * combo)
121 /*if ( event->keyval == GDK_Tab ) {
122 gtk_signal_emit_stop_by_name (GTK_OBJECT (entry), "key_press_event");
125 if (!combo->use_arrows || !GTK_LIST (combo->list)->children)
127 li = g_list_find (GTK_LIST (combo->list)->children, gtk_combo_find (combo));
129 if ((event->keyval == GDK_Up)
130 || (event->keyval == GDK_KP_Up)
131 || ((event->state & GDK_MOD1_MASK) && ((event->keyval == 'p') || (event->keyval == 'P'))))
135 if (!li && combo->use_arrows_always)
137 li = g_list_last (GTK_LIST (combo->list)->children);
141 gtk_list_select_child (GTK_LIST (combo->list), GTK_WIDGET (li->data));
142 gtk_signal_emit_stop_by_name (GTK_OBJECT (entry), "key_press_event");
146 else if ((event->keyval == GDK_Down)
147 || (event->keyval == GDK_KP_Down)
148 || ((event->state & GDK_MOD1_MASK) && ((event->keyval == 'n') || (event->keyval == 'N'))))
152 if (!li && combo->use_arrows_always)
154 li = GTK_LIST (combo->list)->children;
158 gtk_list_select_child (GTK_LIST (combo->list), GTK_WIDGET (li->data));
159 gtk_signal_emit_stop_by_name (GTK_OBJECT (entry), "key_press_event");
167 gtk_combo_find (GtkCombo * combo)
172 int (*string_compare) (const char *, const char *);
174 if (combo->case_sensitive)
175 string_compare = strcmp;
177 string_compare = g_strcasecmp;
179 text = gtk_entry_get_text (GTK_ENTRY (combo->entry));
180 clist = GTK_LIST (combo->list)->children;
182 while (clist && clist->data)
184 ltext = gtk_combo_func (GTK_LIST_ITEM (clist->data));
187 if (!(*string_compare) (ltext, text))
188 return (GtkListItem *) clist->data;
196 gtk_combo_func (GtkListItem * li)
201 ltext = (gchar *) gtk_object_get_data (GTK_OBJECT (li), gtk_combo_string_key);
204 label = GTK_BIN (li)->child;
205 if (!label || !GTK_IS_LABEL (label))
207 gtk_label_get (GTK_LABEL (label), <ext);
213 gtk_combo_focus_idle (GtkCombo * combo)
216 gtk_widget_grab_focus (combo->entry);
221 gtk_combo_entry_focus_out (GtkEntry * entry, GdkEventFocus * event, GtkCombo * combo)
224 if (combo->value_in_list && !gtk_combo_find (combo))
226 /* gdk_beep(); *//* this can be annoying */
227 if (combo->ok_if_empty && !strcmp (gtk_entry_get_text (entry), ""))
230 printf ("INVALID ENTRY: `%s'\n", gtk_entry_get_text (entry));
232 gtk_grab_add (GTK_WIDGET (combo));
233 /* this is needed because if we call gtk_widget_grab_focus()
234 it isn't guaranteed it's the *last* call before the main-loop,
235 so the focus can be lost anyway...
236 the signal_emit_stop doesn't seem to work either...
238 gtk_idle_add ((GtkFunction) gtk_combo_focus_idle, combo);
239 /*gtk_signal_emit_stop_by_name (GTK_OBJECT (entry), "focus_out_event"); */
246 gtk_combo_get_pos (GtkCombo * combo, gint * x, gint * y, gint * height, gint * width)
250 GtkScrolledWindow *popup;
253 GtkRequisition list_requisition;
254 gboolean show_hscroll = FALSE;
255 gboolean show_vscroll = FALSE;
263 widget = GTK_WIDGET(combo);
264 popup = GTK_SCROLLED_WINDOW (combo->popup);
265 popwin = GTK_BIN (combo->popwin);
267 gdk_window_get_origin (combo->entry->window, x, y);
268 real_height = MIN (combo->entry->requisition.height,
269 combo->entry->allocation.height);
271 avail_height = gdk_screen_height () - *y;
273 gtk_widget_size_request (combo->list, &list_requisition);
274 min_height = MIN (list_requisition.height,
275 popup->vscrollbar->requisition.height);
276 if (!GTK_LIST (combo->list)->children)
277 list_requisition.height += EMPTY_LIST_HEIGHT;
279 alloc_width = (widget->allocation.width -
280 2 * popwin->child->style->klass->xthickness -
281 2 * GTK_CONTAINER (popwin->child)->border_width -
282 2 * GTK_CONTAINER (combo->popup)->border_width -
283 2 * GTK_CONTAINER (popup->viewport)->border_width -
284 2 * popup->viewport->style->klass->xthickness);
286 work_height = (2 * popwin->child->style->klass->ythickness +
287 2 * GTK_CONTAINER (popwin->child)->border_width +
288 2 * GTK_CONTAINER (combo->popup)->border_width +
289 2 * GTK_CONTAINER (popup->viewport)->border_width +
290 2 * popup->viewport->style->klass->xthickness);
294 old_width = alloc_width;
295 old_height = work_height;
298 alloc_width < list_requisition.width)
300 work_height += popup->hscrollbar->requisition.height +
301 GTK_SCROLLED_WINDOW_CLASS
302 (GTK_OBJECT (combo->popup)->klass)->scrollbar_spacing;
306 work_height + list_requisition.height > avail_height)
308 if (work_height + min_height > avail_height &&
309 *y - real_height > avail_height)
311 *y -= (work_height + list_requisition.height + real_height);
315 popup->vscrollbar->requisition.width +
316 GTK_SCROLLED_WINDOW_CLASS
317 (GTK_OBJECT (combo->popup)->klass)->scrollbar_spacing;
320 } while (old_width != alloc_width || old_height != work_height);
322 *width = widget->allocation.width;
324 *height = avail_height;
326 *height = work_height + list_requisition.height;
333 gtk_combo_popup_list (GtkCombo * combo)
335 gint height, width, x, y;
336 gint old_width, old_height;
338 old_width = combo->popwin->allocation.width;
339 old_height = combo->popwin->allocation.height;
341 gtk_combo_get_pos (combo, &x, &y, &height, &width);
343 /* workaround for gtk_scrolled_window_size_allocate bug */
344 if (old_width != width || old_height != height)
346 gtk_widget_hide (GTK_SCROLLED_WINDOW (combo->popup)->hscrollbar);
347 gtk_widget_hide (GTK_SCROLLED_WINDOW (combo->popup)->vscrollbar);
350 gtk_widget_set_uposition (combo->popwin, x, y);
351 gtk_widget_set_usize (combo->popwin, width, height);
352 gtk_widget_realize (combo->popwin);
353 gdk_window_resize (combo->popwin->window, width, height);
354 gtk_widget_show (combo->popwin);
356 gtk_widget_grab_focus (combo->popwin);
360 gtk_combo_activate (GtkWidget *widget,
363 gtk_combo_popup_list (combo);
365 if (!GTK_WIDGET_HAS_FOCUS (combo->entry))
366 gtk_widget_grab_focus (combo->entry);
367 gtk_grab_add (combo->popwin);
368 gdk_pointer_grab (combo->popwin->window, TRUE,
369 GDK_BUTTON_PRESS_MASK |
370 GDK_BUTTON_RELEASE_MASK |
371 GDK_POINTER_MOTION_MASK,
372 NULL, NULL, GDK_CURRENT_TIME);
376 gtk_combo_popup_button_press (GtkWidget *button,
377 GdkEventButton *event,
380 if (!GTK_WIDGET_HAS_FOCUS (combo->entry))
381 gtk_widget_grab_focus (combo->entry);
382 if (!combo->current_button && (event->button == 1))
383 gtk_combo_popup_list (combo);
385 combo->current_button = event->button;
389 gtk_combo_popup_button_leave (GtkWidget *button,
390 GdkEventCrossing *event,
393 if (combo->current_button)
394 gtk_signal_emit_stop_by_name (GTK_OBJECT (button), "leave_notify_event");
399 gtk_combo_update_entry (GtkList * list, GtkCombo * combo)
403 gtk_grab_remove (GTK_WIDGET (combo));
404 gtk_signal_handler_block (GTK_OBJECT (list), combo->list_change_id);
407 text = gtk_combo_func (GTK_LIST_ITEM (list->selection->data));
410 gtk_entry_set_text (GTK_ENTRY (combo->entry), text);
412 gtk_signal_handler_unblock (GTK_OBJECT (list), combo->list_change_id);
416 gtk_combo_update_list (GtkEntry * entry, GtkCombo * combo)
418 GtkList *list = GTK_LIST (combo->list);
419 GList *slist = list->selection;
422 gtk_grab_remove (GTK_WIDGET (combo));
424 gtk_signal_handler_block (GTK_OBJECT (entry), combo->entry_change_id);
425 if (slist && slist->data)
426 gtk_list_unselect_child (list, GTK_WIDGET (slist->data));
427 li = gtk_combo_find (combo);
429 gtk_list_select_child (list, GTK_WIDGET (li));
430 gtk_signal_handler_unblock (GTK_OBJECT (entry), combo->entry_change_id);
434 gtk_combo_button_press (GtkWidget * widget, GdkEvent * event, GtkCombo * combo)
438 child = gtk_get_event_widget (event);
440 /* We don't ask for button press events on the grab widget, so
441 * if an event is reported directly to the grab widget, it must
442 * be on a window outside the application (and thus we remove
443 * the popup window). Otherwise, we check if the widget is a child
444 * of the grab widget, and only remove the popup window if it
453 child = child->parent;
457 gtk_widget_hide (combo->popwin);
458 gtk_grab_remove (combo->popwin);
459 gdk_pointer_ungrab (event->button.time);
465 gtk_combo_button_release (GtkWidget * widget, GdkEvent * event, GtkCombo * combo)
469 if ((combo->current_button != 0) && (event->button.button == 1))
471 /* This was the initial button press */
473 GdkEventCrossing tmp_event;
475 combo->current_button = 0;
477 if (widget != combo->button)
478 gtk_widget_event (combo->button, event);
480 /* Un-pre-hightlight */
482 tmp_event.type = GDK_LEAVE_NOTIFY;
483 tmp_event.window = combo->button->window;
484 tmp_event.send_event = TRUE;
485 tmp_event.subwindow = NULL;
486 tmp_event.detail = GDK_NOTIFY_ANCESTOR;
488 gtk_widget_event (combo->button, (GdkEvent *)&tmp_event);
490 /* Check to see if we released inside the button */
491 child = gtk_get_event_widget ((GdkEvent*) event);
493 while (child && child != (combo->button))
494 child = child->parent;
496 if (child == combo->button)
498 gtk_grab_add (combo->popwin);
499 gdk_pointer_grab (combo->popwin->window, TRUE,
500 GDK_BUTTON_PRESS_MASK |
501 GDK_BUTTON_RELEASE_MASK |
502 GDK_POINTER_MOTION_MASK,
503 NULL, NULL, GDK_CURRENT_TIME);
509 /* The user has clicked inside the popwin and released */
511 gtk_grab_remove (combo->popwin);
512 gdk_pointer_ungrab (event->button.time);
515 gtk_widget_hide (combo->popwin);
521 gtk_combo_list_enter (GtkWidget *widget,
522 GdkEventCrossing *event,
525 GtkWidget *event_widget;
527 event_widget = gtk_get_event_widget ((GdkEvent*) event);
529 if ((event_widget == combo->list) &&
530 (combo->current_button != 0) &&
531 (!GTK_WIDGET_HAS_GRAB (combo->list)))
535 GdkModifierType mask;
537 gtk_grab_remove (combo->popwin);
539 /* Transfer the grab over to the list by synthesizing
540 * a button press event
542 gdk_window_get_pointer (combo->list->window, &x, &y, &mask);
544 tmp_event.button.type = GDK_BUTTON_PRESS;
545 tmp_event.button.window = combo->list->window;
546 tmp_event.button.send_event = TRUE;
547 tmp_event.button.time = GDK_CURRENT_TIME; /* bad */
548 tmp_event.button.x = x;
549 tmp_event.button.y = y;
550 /* We leave all the XInput fields unfilled here, in the expectation
551 * that GtkList doesn't care.
553 tmp_event.button.button = combo->current_button;
554 tmp_event.button.state = mask;
556 gtk_widget_event (combo->list, &tmp_event);
563 gtk_combo_list_key_press (GtkWidget * widget, GdkEventKey * event, GtkCombo * combo)
565 if (event->keyval == GDK_Escape)
567 gtk_widget_hide (combo->popwin);
568 gtk_grab_remove (combo->popwin);
569 gdk_pointer_ungrab (GDK_CURRENT_TIME);
576 gtk_combo_init (GtkCombo * combo)
580 GtkWidget *event_box;
583 combo->case_sensitive = 0;
584 combo->value_in_list = 0;
585 combo->ok_if_empty = 1;
586 combo->use_arrows = 1;
587 combo->use_arrows_always = 0;
588 combo->entry = gtk_entry_new ();
589 combo->button = gtk_button_new ();
590 combo->current_button = 0;
591 arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
592 gtk_widget_show (arrow);
593 gtk_container_add (GTK_CONTAINER (combo->button), arrow);
594 gtk_box_pack_start (GTK_BOX (combo), combo->entry, TRUE, TRUE, 0);
595 gtk_box_pack_end (GTK_BOX (combo), combo->button, FALSE, FALSE, 0);
596 GTK_WIDGET_UNSET_FLAGS (combo->button, GTK_CAN_FOCUS);
597 gtk_widget_show (combo->entry);
598 gtk_widget_show (combo->button);
599 combo->entry_change_id = gtk_signal_connect (GTK_OBJECT (combo->entry), "changed",
600 (GtkSignalFunc) gtk_combo_update_list, combo);
601 gtk_signal_connect (GTK_OBJECT (combo->entry), "key_press_event",
602 (GtkSignalFunc) gtk_combo_entry_key_press, combo);
603 gtk_signal_connect_after (GTK_OBJECT (combo->entry), "focus_out_event",
604 (GtkSignalFunc) gtk_combo_entry_focus_out, combo);
605 combo->activate_id = gtk_signal_connect (GTK_OBJECT (combo->entry), "activate",
606 (GtkSignalFunc) gtk_combo_activate, combo);
607 gtk_signal_connect_after (GTK_OBJECT (combo->button), "button_press_event",
608 (GtkSignalFunc) gtk_combo_popup_button_press, combo);
609 gtk_signal_connect_after (GTK_OBJECT (combo->button), "button_release_event",
610 (GtkSignalFunc) gtk_combo_button_release, combo);
611 gtk_signal_connect (GTK_OBJECT (combo->button), "leave_notify_event",
612 (GtkSignalFunc) gtk_combo_popup_button_leave, combo);
613 /*gtk_signal_connect(GTK_OBJECT(combo->button), "clicked",
614 (GtkSignalFunc)prelight_bug, combo); */
616 combo->popwin = gtk_window_new (GTK_WINDOW_POPUP);
617 gtk_widget_ref (combo->popwin);
618 gtk_window_set_policy (GTK_WINDOW (combo->popwin), 1, 1, 0);
620 gtk_widget_set_events (combo->popwin, GDK_KEY_PRESS_MASK);
622 event_box = gtk_event_box_new ();
623 gtk_container_add (GTK_CONTAINER (combo->popwin), event_box);
624 gtk_widget_show (event_box);
626 gtk_widget_realize (event_box);
627 cursor = gdk_cursor_new (GDK_TOP_LEFT_ARROW);
628 gdk_window_set_cursor (event_box->window, cursor);
629 gdk_cursor_destroy (cursor);
631 frame = gtk_frame_new (NULL);
632 gtk_container_add (GTK_CONTAINER (event_box), frame);
633 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
634 gtk_widget_show (frame);
636 combo->popup = gtk_scrolled_window_new (NULL, NULL);
637 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (combo->popup),
638 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
639 GTK_WIDGET_UNSET_FLAGS (GTK_SCROLLED_WINDOW (combo->popup)->hscrollbar, GTK_CAN_FOCUS);
640 GTK_WIDGET_UNSET_FLAGS (GTK_SCROLLED_WINDOW (combo->popup)->vscrollbar, GTK_CAN_FOCUS);
641 gtk_container_add (GTK_CONTAINER (frame), combo->popup);
642 gtk_widget_show (combo->popup);
644 combo->list = gtk_list_new ();
645 /* We'll use enter notify events to figure out when to transfer
646 * the grab to the list
648 gtk_widget_set_events (combo->list, GDK_ENTER_NOTIFY_MASK);
650 gtk_list_set_selection_mode(GTK_LIST(combo->list), GTK_SELECTION_BROWSE);
651 gtk_container_add (GTK_CONTAINER (combo->popup), combo->list);
652 gtk_container_set_focus_vadjustment (GTK_CONTAINER (combo->list),
653 gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (combo->popup)));
654 gtk_widget_show (combo->list);
656 combo->list_change_id = gtk_signal_connect (GTK_OBJECT (combo->list), "selection_changed",
657 (GtkSignalFunc) gtk_combo_update_entry, combo);
658 gtk_signal_connect (GTK_OBJECT (combo->popwin), "key_press_event",
659 (GtkSignalFunc) gtk_combo_list_key_press, combo);
660 gtk_signal_connect (GTK_OBJECT (combo->popwin), "button_press_event",
661 GTK_SIGNAL_FUNC (gtk_combo_button_press), combo);
663 gtk_signal_connect (GTK_OBJECT (combo->list), "button_release_event",
664 GTK_SIGNAL_FUNC (gtk_combo_button_release), combo);
665 /* We connect here on the button, because we'll have a grab on it
666 * when the event occurs. But we are actually interested in enters
667 * for the combo->list.
669 gtk_signal_connect (GTK_OBJECT (combo->button), "enter_notify_event",
670 GTK_SIGNAL_FUNC (gtk_combo_list_enter), combo);
674 gtk_combo_get_type ()
676 static guint combo_type = 0;
680 GtkTypeInfo combo_info =
684 sizeof (GtkComboClass),
685 (GtkClassInitFunc) gtk_combo_class_init,
686 (GtkObjectInitFunc) gtk_combo_init,
687 (GtkArgSetFunc) NULL,
688 (GtkArgGetFunc) NULL,
690 combo_type = gtk_type_unique (gtk_hbox_get_type (), &combo_info);
698 return GTK_WIDGET (gtk_type_new (gtk_combo_get_type ()));
702 gtk_combo_set_value_in_list (GtkCombo * combo, gint val, gint ok_if_empty)
704 g_return_if_fail (combo != NULL);
705 g_return_if_fail (GTK_IS_COMBO (combo));
707 combo->value_in_list = val;
708 combo->ok_if_empty = ok_if_empty;
712 gtk_combo_set_case_sensitive (GtkCombo * combo, gint val)
714 g_return_if_fail (combo != NULL);
715 g_return_if_fail (GTK_IS_COMBO (combo));
717 combo->case_sensitive = val;
721 gtk_combo_set_use_arrows (GtkCombo * combo, gint val)
723 g_return_if_fail (combo != NULL);
724 g_return_if_fail (GTK_IS_COMBO (combo));
726 combo->use_arrows = val;
730 gtk_combo_set_use_arrows_always (GtkCombo * combo, gint val)
732 g_return_if_fail (combo != NULL);
733 g_return_if_fail (GTK_IS_COMBO (combo));
735 combo->use_arrows_always = val;
736 combo->use_arrows = 1;
740 gtk_combo_set_popdown_strings (GtkCombo * combo, GList * strings)
745 g_return_if_fail (combo != NULL);
746 g_return_if_fail (GTK_IS_COMBO (combo));
747 g_return_if_fail (strings != NULL);
749 gtk_list_clear_items (GTK_LIST (combo->list), 0, -1);
753 li = gtk_list_item_new_with_label ((gchar *) list->data);
754 gtk_widget_show (li);
755 gtk_container_add (GTK_CONTAINER (combo->list), li);
761 gtk_combo_item_destroy (GtkObject * object)
765 key = gtk_object_get_data (object, gtk_combo_string_key);
771 gtk_combo_set_item_string (GtkCombo * combo, GtkItem * item, const gchar * item_value)
776 g_return_if_fail (combo != NULL);
777 g_return_if_fail (GTK_IS_COMBO (combo));
778 g_return_if_fail (item != NULL);
780 val = gtk_object_get_data (GTK_OBJECT (item), gtk_combo_string_key);
788 val = g_strdup(item_value);
789 gtk_object_set_data (GTK_OBJECT (item), gtk_combo_string_key, val);
791 gtk_signal_connect (GTK_OBJECT (item), "destroy",
792 (GtkSignalFunc) gtk_combo_item_destroy, val);
796 gtk_object_set_data (GTK_OBJECT (item), gtk_combo_string_key, NULL);
798 gtk_signal_disconnect_by_data(GTK_OBJECT (item), val);
803 gtk_combo_size_allocate (GtkWidget *widget,
804 GtkAllocation *allocation)
808 g_return_if_fail (widget != NULL);
809 g_return_if_fail (GTK_IS_COMBO (widget));
810 g_return_if_fail (allocation != NULL);
812 GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
814 combo = GTK_COMBO (widget);
816 if (combo->entry->allocation.height > combo->entry->requisition.height)
818 GtkAllocation button_allocation;
820 button_allocation = combo->button->allocation;
821 button_allocation.height = combo->entry->requisition.height;
822 button_allocation.y = combo->entry->allocation.y +
823 (combo->entry->allocation.height - combo->entry->requisition.height)
825 gtk_widget_size_allocate (combo->button, &button_allocation);
830 gtk_combo_disable_activate (GtkCombo* combo)
832 g_return_if_fail (combo != NULL);
833 g_return_if_fail (GTK_IS_COMBO (combo));
835 if ( combo->activate_id ) {
836 gtk_signal_disconnect(GTK_OBJECT(combo->entry), combo->activate_id);
837 combo->activate_id = 0;