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 "gtkprivate.h"
32 #include "gtksignal.h"
33 #include "gtkwindow.h"
34 #include "gdk/gdkkeysyms.h"
38 const gchar *gtk_combo_string_key = "gtk-combo-string-value";
40 #define COMBO_LIST_MAX_HEIGHT (400)
41 #define EMPTY_LIST_HEIGHT (15)
43 static void gtk_combo_class_init (GtkComboClass *klass);
44 static void gtk_combo_init (GtkCombo *combo);
45 static void gtk_combo_destroy (GtkObject *combo);
46 static GtkListItem *gtk_combo_find (GtkCombo *combo);
47 static gchar * gtk_combo_func (GtkListItem *li);
48 static gint gtk_combo_focus_idle (GtkCombo *combo);
49 static gint gtk_combo_entry_focus_out (GtkEntry *entry,
52 static void gtk_combo_get_pos (GtkCombo *combo,
57 static void gtk_combo_popup_list (GtkCombo *combo);
58 static void gtk_combo_activate (GtkWidget *widget,
60 static void gtk_combo_popup_button_press (GtkWidget *button,
61 GdkEventButton *event,
63 static void gtk_combo_popup_button_leave (GtkWidget *button,
64 GdkEventCrossing *event,
66 static void gtk_combo_update_entry (GtkList *list,
68 static void gtk_combo_update_list (GtkEntry *entry,
70 static gint gtk_combo_button_press (GtkWidget *widget,
73 static gint gtk_combo_button_release (GtkWidget *widget,
76 static gint gtk_combo_list_enter (GtkWidget *widget,
77 GdkEventCrossing *event,
79 static gint gtk_combo_list_key_press (GtkWidget *widget,
82 static gint gtk_combo_entry_key_press (GtkEntry *widget,
85 static void gtk_combo_item_destroy (GtkObject *object);
86 static void gtk_combo_size_allocate (GtkWidget *widget,
87 GtkAllocation *allocation);
89 static GtkHBoxClass *parent_class = NULL;
92 gtk_combo_class_init (GtkComboClass * klass)
94 GtkObjectClass *oclass;
95 GtkWidgetClass *widget_class;
97 parent_class = gtk_type_class (gtk_hbox_get_type ());
98 oclass = (GtkObjectClass *) klass;
99 widget_class = (GtkWidgetClass *) klass;
101 oclass->destroy = gtk_combo_destroy;
103 widget_class->size_allocate = gtk_combo_size_allocate;
107 gtk_combo_destroy (GtkObject * combo)
109 gtk_widget_destroy (GTK_COMBO (combo)->popwin);
110 gtk_widget_unref (GTK_COMBO (combo)->popwin);
112 if (GTK_OBJECT_CLASS (parent_class)->destroy)
113 (*GTK_OBJECT_CLASS (parent_class)->destroy) (combo);
117 gtk_combo_entry_key_press (GtkEntry * entry, GdkEventKey * event, GtkCombo * combo)
122 if ((event->keyval == GDK_Tab) && (event->state & GDK_MOD1_MASK))
126 gchar* nprefix = NULL;
129 if ( !GTK_LIST(combo->list)->children )
132 gtk_signal_emit_stop_by_name (GTK_OBJECT (entry), "key_press_event");
133 cmpl = g_completion_new((GCompletionFunc)gtk_combo_func);
134 g_completion_add_items(cmpl, GTK_LIST(combo->list)->children);
135 pos = GTK_EDITABLE(entry)->current_pos;
136 prefix = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, pos);
137 g_completion_complete(cmpl, prefix, &nprefix);
138 if (nprefix && strlen(nprefix) > strlen(prefix))
140 gtk_editable_insert_text(GTK_EDITABLE(entry), nprefix+pos,
141 strlen(nprefix)-strlen(prefix), &pos);
142 GTK_EDITABLE(entry)->current_pos = pos;
145 g_completion_free(cmpl);
148 if (!combo->use_arrows || !GTK_LIST (combo->list)->children)
150 li = g_list_find (GTK_LIST (combo->list)->children, gtk_combo_find (combo));
152 if ((event->keyval == GDK_Up)
153 || (event->keyval == GDK_KP_Up)
154 || ((event->state & GDK_MOD1_MASK) && ((event->keyval == 'p') || (event->keyval == 'P'))))
158 if (!li && combo->use_arrows_always)
160 li = g_list_last (GTK_LIST (combo->list)->children);
164 gtk_list_select_child (GTK_LIST (combo->list), GTK_WIDGET (li->data));
165 gtk_signal_emit_stop_by_name (GTK_OBJECT (entry), "key_press_event");
169 else if ((event->keyval == GDK_Down)
170 || (event->keyval == GDK_KP_Down)
171 || ((event->state & GDK_MOD1_MASK) && ((event->keyval == 'n') || (event->keyval == 'N'))))
175 if (!li && combo->use_arrows_always)
177 li = GTK_LIST (combo->list)->children;
181 gtk_list_select_child (GTK_LIST (combo->list), GTK_WIDGET (li->data));
182 gtk_signal_emit_stop_by_name (GTK_OBJECT (entry), "key_press_event");
190 gtk_combo_find (GtkCombo * combo)
195 int (*string_compare) (const char *, const char *);
197 if (combo->case_sensitive)
198 string_compare = strcmp;
200 string_compare = g_strcasecmp;
202 text = gtk_entry_get_text (GTK_ENTRY (combo->entry));
203 clist = GTK_LIST (combo->list)->children;
205 while (clist && clist->data)
207 ltext = gtk_combo_func (GTK_LIST_ITEM (clist->data));
210 if (!(*string_compare) (ltext, text))
211 return (GtkListItem *) clist->data;
219 gtk_combo_func (GtkListItem * li)
224 ltext = (gchar *) gtk_object_get_data (GTK_OBJECT (li), gtk_combo_string_key);
227 label = GTK_BIN (li)->child;
228 if (!label || !GTK_IS_LABEL (label))
230 gtk_label_get (GTK_LABEL (label), <ext);
236 gtk_combo_focus_idle (GtkCombo * combo)
240 GTK_THREADS_ENTER ();
241 gtk_widget_grab_focus (combo->entry);
242 GTK_THREADS_LEAVE ();
248 gtk_combo_entry_focus_out (GtkEntry * entry, GdkEventFocus * event, GtkCombo * combo)
251 if (combo->value_in_list && !gtk_combo_find (combo))
253 /* gdk_beep(); *//* this can be annoying */
254 if (combo->ok_if_empty && !strcmp (gtk_entry_get_text (entry), ""))
257 printf ("INVALID ENTRY: `%s'\n", gtk_entry_get_text (entry));
259 gtk_grab_add (GTK_WIDGET (combo));
260 /* this is needed because if we call gtk_widget_grab_focus()
261 it isn't guaranteed it's the *last* call before the main-loop,
262 so the focus can be lost anyway...
263 the signal_emit_stop doesn't seem to work either...
265 gtk_idle_add ((GtkFunction) gtk_combo_focus_idle, combo);
266 /*gtk_signal_emit_stop_by_name (GTK_OBJECT (entry), "focus_out_event"); */
273 gtk_combo_get_pos (GtkCombo * combo, gint * x, gint * y, gint * height, gint * width)
277 GtkScrolledWindow *popup;
280 GtkRequisition list_requisition;
281 gboolean show_hscroll = FALSE;
282 gboolean show_vscroll = FALSE;
290 widget = GTK_WIDGET(combo);
291 popup = GTK_SCROLLED_WINDOW (combo->popup);
292 popwin = GTK_BIN (combo->popwin);
294 gdk_window_get_origin (combo->entry->window, x, y);
295 real_height = MIN (combo->entry->requisition.height,
296 combo->entry->allocation.height);
298 avail_height = gdk_screen_height () - *y;
300 gtk_widget_size_request (combo->list, &list_requisition);
301 min_height = MIN (list_requisition.height,
302 popup->vscrollbar->requisition.height);
303 if (!GTK_LIST (combo->list)->children)
304 list_requisition.height += EMPTY_LIST_HEIGHT;
306 alloc_width = (widget->allocation.width -
307 2 * popwin->child->style->klass->xthickness -
308 2 * GTK_CONTAINER (popwin->child)->border_width -
309 2 * GTK_CONTAINER (combo->popup)->border_width -
310 2 * GTK_CONTAINER (GTK_BIN (popup)->child)->border_width -
311 2 * GTK_BIN (popup)->child->style->klass->xthickness);
313 work_height = (2 * popwin->child->style->klass->ythickness +
314 2 * GTK_CONTAINER (popwin->child)->border_width +
315 2 * GTK_CONTAINER (combo->popup)->border_width +
316 2 * GTK_CONTAINER (GTK_BIN (popup)->child)->border_width +
317 2 * GTK_BIN (popup)->child->style->klass->xthickness);
321 old_width = alloc_width;
322 old_height = work_height;
325 alloc_width < list_requisition.width)
327 work_height += popup->hscrollbar->requisition.height +
328 GTK_SCROLLED_WINDOW_CLASS
329 (GTK_OBJECT (combo->popup)->klass)->scrollbar_spacing;
333 work_height + list_requisition.height > avail_height)
335 if (work_height + min_height > avail_height &&
336 *y - real_height > avail_height)
338 *y -= (work_height + list_requisition.height + real_height);
342 popup->vscrollbar->requisition.width +
343 GTK_SCROLLED_WINDOW_CLASS
344 (GTK_OBJECT (combo->popup)->klass)->scrollbar_spacing;
347 } while (old_width != alloc_width || old_height != work_height);
349 *width = widget->allocation.width;
351 *height = avail_height;
353 *height = work_height + list_requisition.height;
360 gtk_combo_popup_list (GtkCombo * combo)
362 gint height, width, x, y;
363 gint old_width, old_height;
365 old_width = combo->popwin->allocation.width;
366 old_height = combo->popwin->allocation.height;
368 gtk_combo_get_pos (combo, &x, &y, &height, &width);
370 /* workaround for gtk_scrolled_window_size_allocate bug */
371 if (old_width != width || old_height != height)
373 gtk_widget_hide (GTK_SCROLLED_WINDOW (combo->popup)->hscrollbar);
374 gtk_widget_hide (GTK_SCROLLED_WINDOW (combo->popup)->vscrollbar);
377 gtk_widget_set_uposition (combo->popwin, x, y);
378 gtk_widget_set_usize (combo->popwin, width, height);
379 gtk_widget_realize (combo->popwin);
380 gdk_window_resize (combo->popwin->window, width, height);
381 gtk_widget_show (combo->popwin);
383 gtk_widget_grab_focus (combo->popwin);
387 gtk_combo_activate (GtkWidget *widget,
390 gtk_combo_popup_list (combo);
392 if (!GTK_WIDGET_HAS_FOCUS (combo->entry))
393 gtk_widget_grab_focus (combo->entry);
395 gtk_grab_add (combo->popwin);
396 gdk_pointer_grab (combo->popwin->window, TRUE,
397 GDK_BUTTON_PRESS_MASK |
398 GDK_BUTTON_RELEASE_MASK |
399 GDK_POINTER_MOTION_MASK,
400 NULL, NULL, GDK_CURRENT_TIME);
404 gtk_combo_popup_button_press (GtkWidget *button,
405 GdkEventButton *event,
408 if (!GTK_WIDGET_HAS_FOCUS (combo->entry))
409 gtk_widget_grab_focus (combo->entry);
410 if (!combo->current_button && (event->button == 1))
411 gtk_combo_popup_list (combo);
413 combo->current_button = event->button;
415 GTK_LIST (combo->list)->drag_selection = TRUE;
416 gdk_pointer_grab (combo->list->window, TRUE,
417 GDK_POINTER_MOTION_HINT_MASK |
418 GDK_BUTTON1_MOTION_MASK |
419 GDK_BUTTON_RELEASE_MASK,
420 NULL, NULL, event->time);
421 gtk_grab_add (combo->list);
425 gtk_combo_popup_button_leave (GtkWidget *button,
426 GdkEventCrossing *event,
429 if (combo->current_button)
430 gtk_signal_emit_stop_by_name (GTK_OBJECT (button), "leave_notify_event");
435 gtk_combo_update_entry (GtkList * list, GtkCombo * combo)
439 gtk_grab_remove (GTK_WIDGET (combo));
440 gtk_signal_handler_block (GTK_OBJECT (list), combo->list_change_id);
443 text = gtk_combo_func (GTK_LIST_ITEM (list->selection->data));
446 gtk_entry_set_text (GTK_ENTRY (combo->entry), text);
448 gtk_signal_handler_unblock (GTK_OBJECT (list), combo->list_change_id);
452 gtk_combo_update_list (GtkEntry * entry, GtkCombo * combo)
454 GtkList *list = GTK_LIST (combo->list);
455 GList *slist = list->selection;
458 gtk_grab_remove (GTK_WIDGET (combo));
460 gtk_signal_handler_block (GTK_OBJECT (entry), combo->entry_change_id);
461 if (slist && slist->data)
462 gtk_list_unselect_child (list, GTK_WIDGET (slist->data));
463 li = gtk_combo_find (combo);
465 gtk_list_select_child (list, GTK_WIDGET (li));
466 gtk_signal_handler_unblock (GTK_OBJECT (entry), combo->entry_change_id);
470 gtk_combo_button_press (GtkWidget * widget, GdkEvent * event, GtkCombo * combo)
474 child = gtk_get_event_widget (event);
476 /* We don't ask for button press events on the grab widget, so
477 * if an event is reported directly to the grab widget, it must
478 * be on a window outside the application (and thus we remove
479 * the popup window). Otherwise, we check if the widget is a child
480 * of the grab widget, and only remove the popup window if it
489 child = child->parent;
493 gtk_widget_hide (combo->popwin);
494 gtk_grab_remove (combo->popwin);
495 gdk_pointer_ungrab (event->button.time);
501 gtk_combo_button_release (GtkWidget * widget, GdkEvent * event, GtkCombo * combo)
505 if ((combo->current_button != 0) && (event->button.button == 1))
507 /* This was the initial button press */
509 GdkEventCrossing tmp_event;
511 combo->current_button = 0;
513 if (widget != combo->button)
514 gtk_widget_event (combo->button, event);
516 /* Un-pre-hightlight */
518 tmp_event.type = GDK_LEAVE_NOTIFY;
519 tmp_event.window = combo->button->window;
520 tmp_event.send_event = TRUE;
521 tmp_event.subwindow = NULL;
522 tmp_event.detail = GDK_NOTIFY_ANCESTOR;
524 gtk_widget_event (combo->button, (GdkEvent *)&tmp_event);
526 /* Check to see if we released inside the button */
527 child = gtk_get_event_widget ((GdkEvent*) event);
529 while (child && child != (combo->button))
530 child = child->parent;
532 if (child == combo->button)
534 gtk_grab_add (combo->popwin);
535 gdk_pointer_grab (combo->popwin->window, TRUE,
536 GDK_BUTTON_PRESS_MASK |
537 GDK_BUTTON_RELEASE_MASK |
538 GDK_POINTER_MOTION_MASK,
539 NULL, NULL, GDK_CURRENT_TIME);
545 /* The user has clicked inside the popwin and released */
547 if (GTK_WIDGET_HAS_GRAB (combo->popwin))
549 gtk_grab_remove (combo->popwin);
550 gdk_pointer_ungrab (event->button.time);
554 gtk_widget_hide (combo->popwin);
560 gtk_combo_list_enter (GtkWidget *widget,
561 GdkEventCrossing *event,
564 GtkWidget *event_widget;
566 event_widget = gtk_get_event_widget ((GdkEvent*) event);
568 if ((event_widget == combo->list) &&
569 (combo->current_button != 0) &&
570 (!GTK_WIDGET_HAS_GRAB (combo->list)))
574 GdkModifierType mask;
576 gtk_grab_remove (combo->popwin);
578 /* Transfer the grab over to the list by synthesizing
579 * a button press event
581 gdk_window_get_pointer (combo->list->window, &x, &y, &mask);
583 tmp_event.button.type = GDK_BUTTON_PRESS;
584 tmp_event.button.window = combo->list->window;
585 tmp_event.button.send_event = TRUE;
586 tmp_event.button.time = GDK_CURRENT_TIME; /* bad */
587 tmp_event.button.x = x;
588 tmp_event.button.y = y;
589 /* We leave all the XInput fields unfilled here, in the expectation
590 * that GtkList doesn't care.
592 tmp_event.button.button = combo->current_button;
593 tmp_event.button.state = mask;
595 gtk_widget_event (combo->list, &tmp_event);
602 gtk_combo_list_key_press (GtkWidget * widget, GdkEventKey * event, GtkCombo * combo)
604 if (event->keyval == GDK_Escape)
606 if (GTK_WIDGET_HAS_GRAB (combo->popwin))
608 gtk_grab_remove (combo->popwin);
609 gdk_pointer_ungrab (GDK_CURRENT_TIME);
611 else if (GTK_WIDGET_HAS_GRAB (combo->list))
612 gtk_list_end_drag_selection (GTK_LIST (combo->list));
613 gtk_widget_hide (combo->popwin);
614 if (GTK_WIDGET_HAS_GRAB (combo->button))
616 combo->current_button = 0;
617 GTK_BUTTON (combo->button)->in_button = FALSE;
618 gtk_button_released (GTK_BUTTON (combo->button));
619 gtk_grab_remove (combo->button);
627 gtk_combo_init (GtkCombo * combo)
631 GtkWidget *event_box;
634 combo->case_sensitive = 0;
635 combo->value_in_list = 0;
636 combo->ok_if_empty = 1;
637 combo->use_arrows = 1;
638 combo->use_arrows_always = 0;
639 combo->entry = gtk_entry_new ();
640 combo->button = gtk_button_new ();
641 combo->current_button = 0;
642 arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
643 gtk_widget_show (arrow);
644 gtk_container_add (GTK_CONTAINER (combo->button), arrow);
645 gtk_box_pack_start (GTK_BOX (combo), combo->entry, TRUE, TRUE, 0);
646 gtk_box_pack_end (GTK_BOX (combo), combo->button, FALSE, FALSE, 0);
647 GTK_WIDGET_UNSET_FLAGS (combo->button, GTK_CAN_FOCUS);
648 gtk_widget_show (combo->entry);
649 gtk_widget_show (combo->button);
650 combo->entry_change_id = gtk_signal_connect (GTK_OBJECT (combo->entry), "changed",
651 (GtkSignalFunc) gtk_combo_update_list, combo);
652 gtk_signal_connect (GTK_OBJECT (combo->entry), "key_press_event",
653 (GtkSignalFunc) gtk_combo_entry_key_press, combo);
654 gtk_signal_connect_after (GTK_OBJECT (combo->entry), "focus_out_event",
655 (GtkSignalFunc) gtk_combo_entry_focus_out, combo);
656 combo->activate_id = gtk_signal_connect (GTK_OBJECT (combo->entry), "activate",
657 (GtkSignalFunc) gtk_combo_activate, combo);
658 gtk_signal_connect_after (GTK_OBJECT (combo->button), "button_press_event",
659 (GtkSignalFunc) gtk_combo_popup_button_press, combo);
660 /*gtk_signal_connect_after (GTK_OBJECT (combo->button), "button_release_event",
661 (GtkSignalFunc) gtk_combo_button_release, combo);*/
662 gtk_signal_connect (GTK_OBJECT (combo->button), "leave_notify_event",
663 (GtkSignalFunc) gtk_combo_popup_button_leave, combo);
664 /*gtk_signal_connect(GTK_OBJECT(combo->button), "clicked",
665 (GtkSignalFunc)prelight_bug, combo); */
667 combo->popwin = gtk_window_new (GTK_WINDOW_POPUP);
668 gtk_widget_ref (combo->popwin);
669 gtk_window_set_policy (GTK_WINDOW (combo->popwin), 1, 1, 0);
671 gtk_widget_set_events (combo->popwin, GDK_KEY_PRESS_MASK);
673 event_box = gtk_event_box_new ();
674 gtk_container_add (GTK_CONTAINER (combo->popwin), event_box);
675 gtk_widget_show (event_box);
677 gtk_widget_realize (event_box);
678 cursor = gdk_cursor_new (GDK_TOP_LEFT_ARROW);
679 gdk_window_set_cursor (event_box->window, cursor);
680 gdk_cursor_destroy (cursor);
682 frame = gtk_frame_new (NULL);
683 gtk_container_add (GTK_CONTAINER (event_box), frame);
684 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
685 gtk_widget_show (frame);
687 combo->popup = gtk_scrolled_window_new (NULL, NULL);
688 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (combo->popup),
689 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
690 GTK_WIDGET_UNSET_FLAGS (GTK_SCROLLED_WINDOW (combo->popup)->hscrollbar, GTK_CAN_FOCUS);
691 GTK_WIDGET_UNSET_FLAGS (GTK_SCROLLED_WINDOW (combo->popup)->vscrollbar, GTK_CAN_FOCUS);
692 gtk_container_add (GTK_CONTAINER (frame), combo->popup);
693 gtk_widget_show (combo->popup);
695 combo->list = gtk_list_new ();
696 /* We'll use enter notify events to figure out when to transfer
697 * the grab to the list
699 gtk_widget_set_events (combo->list, GDK_ENTER_NOTIFY_MASK);
701 gtk_list_set_selection_mode(GTK_LIST(combo->list), GTK_SELECTION_BROWSE);
702 gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (combo->popup), combo->list);
703 gtk_container_set_focus_vadjustment (GTK_CONTAINER (combo->list),
704 gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (combo->popup)));
705 gtk_container_set_focus_hadjustment (GTK_CONTAINER (combo->list),
706 gtk_scrolled_window_get_hadjustment (GTK_SCROLLED_WINDOW (combo->popup)));
707 gtk_widget_show (combo->list);
709 combo->list_change_id = gtk_signal_connect (GTK_OBJECT (combo->list), "selection_changed",
710 (GtkSignalFunc) gtk_combo_update_entry, combo);
711 gtk_signal_connect (GTK_OBJECT (combo->popwin), "key_press_event",
712 (GtkSignalFunc) gtk_combo_list_key_press, combo);
713 gtk_signal_connect (GTK_OBJECT (combo->popwin), "button_press_event",
714 GTK_SIGNAL_FUNC (gtk_combo_button_press), combo);
716 gtk_signal_connect_after (GTK_OBJECT (combo->list), "button_release_event",
717 GTK_SIGNAL_FUNC (gtk_combo_button_release), combo);
718 /* We connect here on the button, because we'll have a grab on it
719 * when the event occurs. But we are actually interested in enters
720 * for the combo->list.
722 gtk_signal_connect (GTK_OBJECT (combo->button), "enter_notify_event",
723 GTK_SIGNAL_FUNC (gtk_combo_list_enter), combo);
727 gtk_combo_get_type (void)
729 static guint combo_type = 0;
733 static const GtkTypeInfo combo_info =
737 sizeof (GtkComboClass),
738 (GtkClassInitFunc) gtk_combo_class_init,
739 (GtkObjectInitFunc) gtk_combo_init,
740 /* reserved_1 */ NULL,
741 /* reserved_2 */ NULL,
742 (GtkClassInitFunc) NULL,
744 combo_type = gtk_type_unique (gtk_hbox_get_type (), &combo_info);
752 return GTK_WIDGET (gtk_type_new (gtk_combo_get_type ()));
756 gtk_combo_set_value_in_list (GtkCombo * combo, gint val, gint ok_if_empty)
758 g_return_if_fail (combo != NULL);
759 g_return_if_fail (GTK_IS_COMBO (combo));
761 combo->value_in_list = val;
762 combo->ok_if_empty = ok_if_empty;
766 gtk_combo_set_case_sensitive (GtkCombo * combo, gint val)
768 g_return_if_fail (combo != NULL);
769 g_return_if_fail (GTK_IS_COMBO (combo));
771 combo->case_sensitive = val;
775 gtk_combo_set_use_arrows (GtkCombo * combo, gint val)
777 g_return_if_fail (combo != NULL);
778 g_return_if_fail (GTK_IS_COMBO (combo));
780 combo->use_arrows = val;
784 gtk_combo_set_use_arrows_always (GtkCombo * combo, gint val)
786 g_return_if_fail (combo != NULL);
787 g_return_if_fail (GTK_IS_COMBO (combo));
789 combo->use_arrows_always = val;
790 combo->use_arrows = 1;
794 gtk_combo_set_popdown_strings (GtkCombo * combo, GList * strings)
799 g_return_if_fail (combo != NULL);
800 g_return_if_fail (GTK_IS_COMBO (combo));
801 g_return_if_fail (strings != NULL);
803 gtk_list_clear_items (GTK_LIST (combo->list), 0, -1);
807 li = gtk_list_item_new_with_label ((gchar *) list->data);
808 gtk_widget_show (li);
809 gtk_container_add (GTK_CONTAINER (combo->list), li);
815 gtk_combo_item_destroy (GtkObject * object)
819 key = gtk_object_get_data (object, gtk_combo_string_key);
825 gtk_combo_set_item_string (GtkCombo * combo, GtkItem * item, const gchar * item_value)
830 g_return_if_fail (combo != NULL);
831 g_return_if_fail (GTK_IS_COMBO (combo));
832 g_return_if_fail (item != NULL);
834 val = gtk_object_get_data (GTK_OBJECT (item), gtk_combo_string_key);
842 val = g_strdup(item_value);
843 gtk_object_set_data (GTK_OBJECT (item), gtk_combo_string_key, val);
845 gtk_signal_connect (GTK_OBJECT (item), "destroy",
846 (GtkSignalFunc) gtk_combo_item_destroy, val);
850 gtk_object_set_data (GTK_OBJECT (item), gtk_combo_string_key, NULL);
852 gtk_signal_disconnect_by_data(GTK_OBJECT (item), val);
857 gtk_combo_size_allocate (GtkWidget *widget,
858 GtkAllocation *allocation)
862 g_return_if_fail (widget != NULL);
863 g_return_if_fail (GTK_IS_COMBO (widget));
864 g_return_if_fail (allocation != NULL);
866 GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
868 combo = GTK_COMBO (widget);
870 if (combo->entry->allocation.height > combo->entry->requisition.height)
872 GtkAllocation button_allocation;
874 button_allocation = combo->button->allocation;
875 button_allocation.height = combo->entry->requisition.height;
876 button_allocation.y = combo->entry->allocation.y +
877 (combo->entry->allocation.height - combo->entry->requisition.height)
879 gtk_widget_size_allocate (combo->button, &button_allocation);
884 gtk_combo_disable_activate (GtkCombo* combo)
886 g_return_if_fail (combo != NULL);
887 g_return_if_fail (GTK_IS_COMBO (combo));
889 if ( combo->activate_id ) {
890 gtk_signal_disconnect(GTK_OBJECT(combo->entry), combo->activate_id);
891 combo->activate_id = 0;