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)
125 gchar* nprefix = NULL;
128 gtk_signal_emit_stop_by_name (GTK_OBJECT (entry), "key_press_event");
129 cmpl = g_completion_new((GCompletionFunc)gtk_combo_func);
130 g_completion_add_items(cmpl, GTK_LIST(combo->list)->children);
131 pos = GTK_EDITABLE(entry)->current_pos;
132 prefix = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, pos);
133 g_completion_complete(cmpl, prefix, &nprefix);
134 if (nprefix && strlen(nprefix) > strlen(prefix))
136 gtk_editable_insert_text(GTK_EDITABLE(entry), nprefix+pos,
137 strlen(nprefix)-strlen(prefix), &pos);
138 GTK_EDITABLE(entry)->current_pos = pos;
141 g_completion_free(cmpl);
144 if (!combo->use_arrows || !GTK_LIST (combo->list)->children)
146 li = g_list_find (GTK_LIST (combo->list)->children, gtk_combo_find (combo));
148 if ((event->keyval == GDK_Up)
149 || (event->keyval == GDK_KP_Up)
150 || ((event->state & GDK_MOD1_MASK) && ((event->keyval == 'p') || (event->keyval == 'P'))))
154 if (!li && combo->use_arrows_always)
156 li = g_list_last (GTK_LIST (combo->list)->children);
160 gtk_list_select_child (GTK_LIST (combo->list), GTK_WIDGET (li->data));
161 gtk_signal_emit_stop_by_name (GTK_OBJECT (entry), "key_press_event");
165 else if ((event->keyval == GDK_Down)
166 || (event->keyval == GDK_KP_Down)
167 || ((event->state & GDK_MOD1_MASK) && ((event->keyval == 'n') || (event->keyval == 'N'))))
171 if (!li && combo->use_arrows_always)
173 li = GTK_LIST (combo->list)->children;
177 gtk_list_select_child (GTK_LIST (combo->list), GTK_WIDGET (li->data));
178 gtk_signal_emit_stop_by_name (GTK_OBJECT (entry), "key_press_event");
186 gtk_combo_find (GtkCombo * combo)
191 int (*string_compare) (const char *, const char *);
193 if (combo->case_sensitive)
194 string_compare = strcmp;
196 string_compare = g_strcasecmp;
198 text = gtk_entry_get_text (GTK_ENTRY (combo->entry));
199 clist = GTK_LIST (combo->list)->children;
201 while (clist && clist->data)
203 ltext = gtk_combo_func (GTK_LIST_ITEM (clist->data));
206 if (!(*string_compare) (ltext, text))
207 return (GtkListItem *) clist->data;
215 gtk_combo_func (GtkListItem * li)
220 ltext = (gchar *) gtk_object_get_data (GTK_OBJECT (li), gtk_combo_string_key);
223 label = GTK_BIN (li)->child;
224 if (!label || !GTK_IS_LABEL (label))
226 gtk_label_get (GTK_LABEL (label), <ext);
232 gtk_combo_focus_idle (GtkCombo * combo)
235 gtk_widget_grab_focus (combo->entry);
240 gtk_combo_entry_focus_out (GtkEntry * entry, GdkEventFocus * event, GtkCombo * combo)
243 if (combo->value_in_list && !gtk_combo_find (combo))
245 /* gdk_beep(); *//* this can be annoying */
246 if (combo->ok_if_empty && !strcmp (gtk_entry_get_text (entry), ""))
249 printf ("INVALID ENTRY: `%s'\n", gtk_entry_get_text (entry));
251 gtk_grab_add (GTK_WIDGET (combo));
252 /* this is needed because if we call gtk_widget_grab_focus()
253 it isn't guaranteed it's the *last* call before the main-loop,
254 so the focus can be lost anyway...
255 the signal_emit_stop doesn't seem to work either...
257 gtk_idle_add ((GtkFunction) gtk_combo_focus_idle, combo);
258 /*gtk_signal_emit_stop_by_name (GTK_OBJECT (entry), "focus_out_event"); */
265 gtk_combo_get_pos (GtkCombo * combo, gint * x, gint * y, gint * height, gint * width)
269 GtkScrolledWindow *popup;
272 GtkRequisition list_requisition;
273 gboolean show_hscroll = FALSE;
274 gboolean show_vscroll = FALSE;
282 widget = GTK_WIDGET(combo);
283 popup = GTK_SCROLLED_WINDOW (combo->popup);
284 popwin = GTK_BIN (combo->popwin);
286 gdk_window_get_origin (combo->entry->window, x, y);
287 real_height = MIN (combo->entry->requisition.height,
288 combo->entry->allocation.height);
290 avail_height = gdk_screen_height () - *y;
292 gtk_widget_size_request (combo->list, &list_requisition);
293 min_height = MIN (list_requisition.height,
294 popup->vscrollbar->requisition.height);
295 if (!GTK_LIST (combo->list)->children)
296 list_requisition.height += EMPTY_LIST_HEIGHT;
298 alloc_width = (widget->allocation.width -
299 2 * popwin->child->style->klass->xthickness -
300 2 * GTK_CONTAINER (popwin->child)->border_width -
301 2 * GTK_CONTAINER (combo->popup)->border_width -
302 2 * GTK_CONTAINER (popup->viewport)->border_width -
303 2 * popup->viewport->style->klass->xthickness);
305 work_height = (2 * popwin->child->style->klass->ythickness +
306 2 * GTK_CONTAINER (popwin->child)->border_width +
307 2 * GTK_CONTAINER (combo->popup)->border_width +
308 2 * GTK_CONTAINER (popup->viewport)->border_width +
309 2 * popup->viewport->style->klass->xthickness);
313 old_width = alloc_width;
314 old_height = work_height;
317 alloc_width < list_requisition.width)
319 work_height += popup->hscrollbar->requisition.height +
320 GTK_SCROLLED_WINDOW_CLASS
321 (GTK_OBJECT (combo->popup)->klass)->scrollbar_spacing;
325 work_height + list_requisition.height > avail_height)
327 if (work_height + min_height > avail_height &&
328 *y - real_height > avail_height)
330 *y -= (work_height + list_requisition.height + real_height);
334 popup->vscrollbar->requisition.width +
335 GTK_SCROLLED_WINDOW_CLASS
336 (GTK_OBJECT (combo->popup)->klass)->scrollbar_spacing;
339 } while (old_width != alloc_width || old_height != work_height);
341 *width = widget->allocation.width;
343 *height = avail_height;
345 *height = work_height + list_requisition.height;
352 gtk_combo_popup_list (GtkCombo * combo)
354 gint height, width, x, y;
355 gint old_width, old_height;
357 old_width = combo->popwin->allocation.width;
358 old_height = combo->popwin->allocation.height;
360 gtk_combo_get_pos (combo, &x, &y, &height, &width);
362 /* workaround for gtk_scrolled_window_size_allocate bug */
363 if (old_width != width || old_height != height)
365 gtk_widget_hide (GTK_SCROLLED_WINDOW (combo->popup)->hscrollbar);
366 gtk_widget_hide (GTK_SCROLLED_WINDOW (combo->popup)->vscrollbar);
369 gtk_widget_set_uposition (combo->popwin, x, y);
370 gtk_widget_set_usize (combo->popwin, width, height);
371 gtk_widget_realize (combo->popwin);
372 gdk_window_resize (combo->popwin->window, width, height);
373 gtk_widget_show (combo->popwin);
375 gtk_widget_grab_focus (combo->popwin);
379 gtk_combo_activate (GtkWidget *widget,
382 gtk_combo_popup_list (combo);
384 if (!GTK_WIDGET_HAS_FOCUS (combo->entry))
385 gtk_widget_grab_focus (combo->entry);
386 gtk_grab_add (combo->popwin);
387 gdk_pointer_grab (combo->popwin->window, TRUE,
388 GDK_BUTTON_PRESS_MASK |
389 GDK_BUTTON_RELEASE_MASK |
390 GDK_POINTER_MOTION_MASK,
391 NULL, NULL, GDK_CURRENT_TIME);
395 gtk_combo_popup_button_press (GtkWidget *button,
396 GdkEventButton *event,
399 if (!GTK_WIDGET_HAS_FOCUS (combo->entry))
400 gtk_widget_grab_focus (combo->entry);
401 if (!combo->current_button && (event->button == 1))
402 gtk_combo_popup_list (combo);
404 combo->current_button = event->button;
408 gtk_combo_popup_button_leave (GtkWidget *button,
409 GdkEventCrossing *event,
412 if (combo->current_button)
413 gtk_signal_emit_stop_by_name (GTK_OBJECT (button), "leave_notify_event");
418 gtk_combo_update_entry (GtkList * list, GtkCombo * combo)
422 gtk_grab_remove (GTK_WIDGET (combo));
423 gtk_signal_handler_block (GTK_OBJECT (list), combo->list_change_id);
426 text = gtk_combo_func (GTK_LIST_ITEM (list->selection->data));
429 gtk_entry_set_text (GTK_ENTRY (combo->entry), text);
431 gtk_signal_handler_unblock (GTK_OBJECT (list), combo->list_change_id);
435 gtk_combo_update_list (GtkEntry * entry, GtkCombo * combo)
437 GtkList *list = GTK_LIST (combo->list);
438 GList *slist = list->selection;
441 gtk_grab_remove (GTK_WIDGET (combo));
443 gtk_signal_handler_block (GTK_OBJECT (entry), combo->entry_change_id);
444 if (slist && slist->data)
445 gtk_list_unselect_child (list, GTK_WIDGET (slist->data));
446 li = gtk_combo_find (combo);
448 gtk_list_select_child (list, GTK_WIDGET (li));
449 gtk_signal_handler_unblock (GTK_OBJECT (entry), combo->entry_change_id);
453 gtk_combo_button_press (GtkWidget * widget, GdkEvent * event, GtkCombo * combo)
457 child = gtk_get_event_widget (event);
459 /* We don't ask for button press events on the grab widget, so
460 * if an event is reported directly to the grab widget, it must
461 * be on a window outside the application (and thus we remove
462 * the popup window). Otherwise, we check if the widget is a child
463 * of the grab widget, and only remove the popup window if it
472 child = child->parent;
476 gtk_widget_hide (combo->popwin);
477 gtk_grab_remove (combo->popwin);
478 gdk_pointer_ungrab (event->button.time);
484 gtk_combo_button_release (GtkWidget * widget, GdkEvent * event, GtkCombo * combo)
488 if ((combo->current_button != 0) && (event->button.button == 1))
490 /* This was the initial button press */
492 GdkEventCrossing tmp_event;
494 combo->current_button = 0;
496 if (widget != combo->button)
497 gtk_widget_event (combo->button, event);
499 /* Un-pre-hightlight */
501 tmp_event.type = GDK_LEAVE_NOTIFY;
502 tmp_event.window = combo->button->window;
503 tmp_event.send_event = TRUE;
504 tmp_event.subwindow = NULL;
505 tmp_event.detail = GDK_NOTIFY_ANCESTOR;
507 gtk_widget_event (combo->button, (GdkEvent *)&tmp_event);
509 /* Check to see if we released inside the button */
510 child = gtk_get_event_widget ((GdkEvent*) event);
512 while (child && child != (combo->button))
513 child = child->parent;
515 if (child == combo->button)
517 gtk_grab_add (combo->popwin);
518 gdk_pointer_grab (combo->popwin->window, TRUE,
519 GDK_BUTTON_PRESS_MASK |
520 GDK_BUTTON_RELEASE_MASK |
521 GDK_POINTER_MOTION_MASK,
522 NULL, NULL, GDK_CURRENT_TIME);
528 /* The user has clicked inside the popwin and released */
530 gtk_grab_remove (combo->popwin);
531 gdk_pointer_ungrab (event->button.time);
534 gtk_widget_hide (combo->popwin);
540 gtk_combo_list_enter (GtkWidget *widget,
541 GdkEventCrossing *event,
544 GtkWidget *event_widget;
546 event_widget = gtk_get_event_widget ((GdkEvent*) event);
548 if ((event_widget == combo->list) &&
549 (combo->current_button != 0) &&
550 (!GTK_WIDGET_HAS_GRAB (combo->list)))
554 GdkModifierType mask;
556 gtk_grab_remove (combo->popwin);
558 /* Transfer the grab over to the list by synthesizing
559 * a button press event
561 gdk_window_get_pointer (combo->list->window, &x, &y, &mask);
563 tmp_event.button.type = GDK_BUTTON_PRESS;
564 tmp_event.button.window = combo->list->window;
565 tmp_event.button.send_event = TRUE;
566 tmp_event.button.time = GDK_CURRENT_TIME; /* bad */
567 tmp_event.button.x = x;
568 tmp_event.button.y = y;
569 /* We leave all the XInput fields unfilled here, in the expectation
570 * that GtkList doesn't care.
572 tmp_event.button.button = combo->current_button;
573 tmp_event.button.state = mask;
575 gtk_widget_event (combo->list, &tmp_event);
582 gtk_combo_list_key_press (GtkWidget * widget, GdkEventKey * event, GtkCombo * combo)
584 if (event->keyval == GDK_Escape)
586 gtk_widget_hide (combo->popwin);
587 gtk_grab_remove (combo->popwin);
588 gdk_pointer_ungrab (GDK_CURRENT_TIME);
595 gtk_combo_init (GtkCombo * combo)
599 GtkWidget *event_box;
602 combo->case_sensitive = 0;
603 combo->value_in_list = 0;
604 combo->ok_if_empty = 1;
605 combo->use_arrows = 1;
606 combo->use_arrows_always = 0;
607 combo->entry = gtk_entry_new ();
608 combo->button = gtk_button_new ();
609 combo->current_button = 0;
610 arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
611 gtk_widget_show (arrow);
612 gtk_container_add (GTK_CONTAINER (combo->button), arrow);
613 gtk_box_pack_start (GTK_BOX (combo), combo->entry, TRUE, TRUE, 0);
614 gtk_box_pack_end (GTK_BOX (combo), combo->button, FALSE, FALSE, 0);
615 GTK_WIDGET_UNSET_FLAGS (combo->button, GTK_CAN_FOCUS);
616 gtk_widget_show (combo->entry);
617 gtk_widget_show (combo->button);
618 combo->entry_change_id = gtk_signal_connect (GTK_OBJECT (combo->entry), "changed",
619 (GtkSignalFunc) gtk_combo_update_list, combo);
620 gtk_signal_connect (GTK_OBJECT (combo->entry), "key_press_event",
621 (GtkSignalFunc) gtk_combo_entry_key_press, combo);
622 gtk_signal_connect_after (GTK_OBJECT (combo->entry), "focus_out_event",
623 (GtkSignalFunc) gtk_combo_entry_focus_out, combo);
624 combo->activate_id = gtk_signal_connect (GTK_OBJECT (combo->entry), "activate",
625 (GtkSignalFunc) gtk_combo_activate, combo);
626 gtk_signal_connect_after (GTK_OBJECT (combo->button), "button_press_event",
627 (GtkSignalFunc) gtk_combo_popup_button_press, combo);
628 gtk_signal_connect_after (GTK_OBJECT (combo->button), "button_release_event",
629 (GtkSignalFunc) gtk_combo_button_release, combo);
630 gtk_signal_connect (GTK_OBJECT (combo->button), "leave_notify_event",
631 (GtkSignalFunc) gtk_combo_popup_button_leave, combo);
632 /*gtk_signal_connect(GTK_OBJECT(combo->button), "clicked",
633 (GtkSignalFunc)prelight_bug, combo); */
635 combo->popwin = gtk_window_new (GTK_WINDOW_POPUP);
636 gtk_widget_ref (combo->popwin);
637 gtk_window_set_policy (GTK_WINDOW (combo->popwin), 1, 1, 0);
639 gtk_widget_set_events (combo->popwin, GDK_KEY_PRESS_MASK);
641 event_box = gtk_event_box_new ();
642 gtk_container_add (GTK_CONTAINER (combo->popwin), event_box);
643 gtk_widget_show (event_box);
645 gtk_widget_realize (event_box);
646 cursor = gdk_cursor_new (GDK_TOP_LEFT_ARROW);
647 gdk_window_set_cursor (event_box->window, cursor);
648 gdk_cursor_destroy (cursor);
650 frame = gtk_frame_new (NULL);
651 gtk_container_add (GTK_CONTAINER (event_box), frame);
652 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
653 gtk_widget_show (frame);
655 combo->popup = gtk_scrolled_window_new (NULL, NULL);
656 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (combo->popup),
657 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
658 GTK_WIDGET_UNSET_FLAGS (GTK_SCROLLED_WINDOW (combo->popup)->hscrollbar, GTK_CAN_FOCUS);
659 GTK_WIDGET_UNSET_FLAGS (GTK_SCROLLED_WINDOW (combo->popup)->vscrollbar, GTK_CAN_FOCUS);
660 gtk_container_add (GTK_CONTAINER (frame), combo->popup);
661 gtk_widget_show (combo->popup);
663 combo->list = gtk_list_new ();
664 /* We'll use enter notify events to figure out when to transfer
665 * the grab to the list
667 gtk_widget_set_events (combo->list, GDK_ENTER_NOTIFY_MASK);
669 gtk_list_set_selection_mode(GTK_LIST(combo->list), GTK_SELECTION_BROWSE);
670 gtk_container_add (GTK_CONTAINER (combo->popup), combo->list);
671 gtk_container_set_focus_vadjustment (GTK_CONTAINER (combo->list),
672 gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (combo->popup)));
673 gtk_widget_show (combo->list);
675 combo->list_change_id = gtk_signal_connect (GTK_OBJECT (combo->list), "selection_changed",
676 (GtkSignalFunc) gtk_combo_update_entry, combo);
677 gtk_signal_connect (GTK_OBJECT (combo->popwin), "key_press_event",
678 (GtkSignalFunc) gtk_combo_list_key_press, combo);
679 gtk_signal_connect (GTK_OBJECT (combo->popwin), "button_press_event",
680 GTK_SIGNAL_FUNC (gtk_combo_button_press), combo);
682 gtk_signal_connect (GTK_OBJECT (combo->list), "button_release_event",
683 GTK_SIGNAL_FUNC (gtk_combo_button_release), combo);
684 /* We connect here on the button, because we'll have a grab on it
685 * when the event occurs. But we are actually interested in enters
686 * for the combo->list.
688 gtk_signal_connect (GTK_OBJECT (combo->button), "enter_notify_event",
689 GTK_SIGNAL_FUNC (gtk_combo_list_enter), combo);
693 gtk_combo_get_type (void)
695 static guint combo_type = 0;
699 GtkTypeInfo combo_info =
703 sizeof (GtkComboClass),
704 (GtkClassInitFunc) gtk_combo_class_init,
705 (GtkObjectInitFunc) gtk_combo_init,
706 /* reversed_1 */ NULL,
707 /* reversed_2 */ NULL,
708 (GtkClassInitFunc) NULL,
710 combo_type = gtk_type_unique (gtk_hbox_get_type (), &combo_info);
718 return GTK_WIDGET (gtk_type_new (gtk_combo_get_type ()));
722 gtk_combo_set_value_in_list (GtkCombo * combo, gint val, gint ok_if_empty)
724 g_return_if_fail (combo != NULL);
725 g_return_if_fail (GTK_IS_COMBO (combo));
727 combo->value_in_list = val;
728 combo->ok_if_empty = ok_if_empty;
732 gtk_combo_set_case_sensitive (GtkCombo * combo, gint val)
734 g_return_if_fail (combo != NULL);
735 g_return_if_fail (GTK_IS_COMBO (combo));
737 combo->case_sensitive = val;
741 gtk_combo_set_use_arrows (GtkCombo * combo, gint val)
743 g_return_if_fail (combo != NULL);
744 g_return_if_fail (GTK_IS_COMBO (combo));
746 combo->use_arrows = val;
750 gtk_combo_set_use_arrows_always (GtkCombo * combo, gint val)
752 g_return_if_fail (combo != NULL);
753 g_return_if_fail (GTK_IS_COMBO (combo));
755 combo->use_arrows_always = val;
756 combo->use_arrows = 1;
760 gtk_combo_set_popdown_strings (GtkCombo * combo, GList * strings)
765 g_return_if_fail (combo != NULL);
766 g_return_if_fail (GTK_IS_COMBO (combo));
767 g_return_if_fail (strings != NULL);
769 gtk_list_clear_items (GTK_LIST (combo->list), 0, -1);
773 li = gtk_list_item_new_with_label ((gchar *) list->data);
774 gtk_widget_show (li);
775 gtk_container_add (GTK_CONTAINER (combo->list), li);
781 gtk_combo_item_destroy (GtkObject * object)
785 key = gtk_object_get_data (object, gtk_combo_string_key);
791 gtk_combo_set_item_string (GtkCombo * combo, GtkItem * item, const gchar * item_value)
796 g_return_if_fail (combo != NULL);
797 g_return_if_fail (GTK_IS_COMBO (combo));
798 g_return_if_fail (item != NULL);
800 val = gtk_object_get_data (GTK_OBJECT (item), gtk_combo_string_key);
808 val = g_strdup(item_value);
809 gtk_object_set_data (GTK_OBJECT (item), gtk_combo_string_key, val);
811 gtk_signal_connect (GTK_OBJECT (item), "destroy",
812 (GtkSignalFunc) gtk_combo_item_destroy, val);
816 gtk_object_set_data (GTK_OBJECT (item), gtk_combo_string_key, NULL);
818 gtk_signal_disconnect_by_data(GTK_OBJECT (item), val);
823 gtk_combo_size_allocate (GtkWidget *widget,
824 GtkAllocation *allocation)
828 g_return_if_fail (widget != NULL);
829 g_return_if_fail (GTK_IS_COMBO (widget));
830 g_return_if_fail (allocation != NULL);
832 GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
834 combo = GTK_COMBO (widget);
836 if (combo->entry->allocation.height > combo->entry->requisition.height)
838 GtkAllocation button_allocation;
840 button_allocation = combo->button->allocation;
841 button_allocation.height = combo->entry->requisition.height;
842 button_allocation.y = combo->entry->allocation.y +
843 (combo->entry->allocation.height - combo->entry->requisition.height)
845 gtk_widget_size_allocate (combo->button, &button_allocation);
850 gtk_combo_disable_activate (GtkCombo* combo)
852 g_return_if_fail (combo != NULL);
853 g_return_if_fail (GTK_IS_COMBO (combo));
855 if ( combo->activate_id ) {
856 gtk_signal_disconnect(GTK_OBJECT(combo->entry), combo->activate_id);
857 combo->activate_id = 0;