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) && (event->state & GDK_MOD1_MASK))
125 gchar* nprefix = NULL;
128 if ( !GTK_LIST(combo->list)->children )
131 gtk_signal_emit_stop_by_name (GTK_OBJECT (entry), "key_press_event");
132 cmpl = g_completion_new((GCompletionFunc)gtk_combo_func);
133 g_completion_add_items(cmpl, GTK_LIST(combo->list)->children);
134 pos = GTK_EDITABLE(entry)->current_pos;
135 prefix = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, pos);
136 g_completion_complete(cmpl, prefix, &nprefix);
137 if (nprefix && strlen(nprefix) > strlen(prefix))
139 gtk_editable_insert_text(GTK_EDITABLE(entry), nprefix+pos,
140 strlen(nprefix)-strlen(prefix), &pos);
141 GTK_EDITABLE(entry)->current_pos = pos;
144 g_completion_free(cmpl);
147 if (!combo->use_arrows || !GTK_LIST (combo->list)->children)
149 li = g_list_find (GTK_LIST (combo->list)->children, gtk_combo_find (combo));
151 if ((event->keyval == GDK_Up)
152 || (event->keyval == GDK_KP_Up)
153 || ((event->state & GDK_MOD1_MASK) && ((event->keyval == 'p') || (event->keyval == 'P'))))
157 if (!li && combo->use_arrows_always)
159 li = g_list_last (GTK_LIST (combo->list)->children);
163 gtk_list_select_child (GTK_LIST (combo->list), GTK_WIDGET (li->data));
164 gtk_signal_emit_stop_by_name (GTK_OBJECT (entry), "key_press_event");
168 else if ((event->keyval == GDK_Down)
169 || (event->keyval == GDK_KP_Down)
170 || ((event->state & GDK_MOD1_MASK) && ((event->keyval == 'n') || (event->keyval == 'N'))))
174 if (!li && combo->use_arrows_always)
176 li = GTK_LIST (combo->list)->children;
180 gtk_list_select_child (GTK_LIST (combo->list), GTK_WIDGET (li->data));
181 gtk_signal_emit_stop_by_name (GTK_OBJECT (entry), "key_press_event");
189 gtk_combo_find (GtkCombo * combo)
194 int (*string_compare) (const char *, const char *);
196 if (combo->case_sensitive)
197 string_compare = strcmp;
199 string_compare = g_strcasecmp;
201 text = gtk_entry_get_text (GTK_ENTRY (combo->entry));
202 clist = GTK_LIST (combo->list)->children;
204 while (clist && clist->data)
206 ltext = gtk_combo_func (GTK_LIST_ITEM (clist->data));
209 if (!(*string_compare) (ltext, text))
210 return (GtkListItem *) clist->data;
218 gtk_combo_func (GtkListItem * li)
223 ltext = (gchar *) gtk_object_get_data (GTK_OBJECT (li), gtk_combo_string_key);
226 label = GTK_BIN (li)->child;
227 if (!label || !GTK_IS_LABEL (label))
229 gtk_label_get (GTK_LABEL (label), <ext);
235 gtk_combo_focus_idle (GtkCombo * combo)
239 GDK_THREADS_ENTER ();
240 gtk_widget_grab_focus (combo->entry);
241 GDK_THREADS_LEAVE ();
247 gtk_combo_entry_focus_out (GtkEntry * entry, GdkEventFocus * event, GtkCombo * combo)
250 if (combo->value_in_list && !gtk_combo_find (combo))
252 /* gdk_beep(); *//* this can be annoying */
253 if (combo->ok_if_empty && !strcmp (gtk_entry_get_text (entry), ""))
256 printf ("INVALID ENTRY: `%s'\n", gtk_entry_get_text (entry));
258 gtk_grab_add (GTK_WIDGET (combo));
259 /* this is needed because if we call gtk_widget_grab_focus()
260 it isn't guaranteed it's the *last* call before the main-loop,
261 so the focus can be lost anyway...
262 the signal_emit_stop doesn't seem to work either...
264 gtk_idle_add ((GtkFunction) gtk_combo_focus_idle, combo);
265 /*gtk_signal_emit_stop_by_name (GTK_OBJECT (entry), "focus_out_event"); */
272 gtk_combo_get_pos (GtkCombo * combo, gint * x, gint * y, gint * height, gint * width)
276 GtkScrolledWindow *popup;
279 GtkRequisition list_requisition;
280 gboolean show_hscroll = FALSE;
281 gboolean show_vscroll = FALSE;
289 widget = GTK_WIDGET(combo);
290 popup = GTK_SCROLLED_WINDOW (combo->popup);
291 popwin = GTK_BIN (combo->popwin);
293 gdk_window_get_origin (combo->entry->window, x, y);
294 real_height = MIN (combo->entry->requisition.height,
295 combo->entry->allocation.height);
297 avail_height = gdk_screen_height () - *y;
299 gtk_widget_size_request (combo->list, &list_requisition);
300 min_height = MIN (list_requisition.height,
301 popup->vscrollbar->requisition.height);
302 if (!GTK_LIST (combo->list)->children)
303 list_requisition.height += EMPTY_LIST_HEIGHT;
305 alloc_width = (widget->allocation.width -
306 2 * popwin->child->style->klass->xthickness -
307 2 * GTK_CONTAINER (popwin->child)->border_width -
308 2 * GTK_CONTAINER (combo->popup)->border_width -
309 2 * GTK_CONTAINER (GTK_BIN (popup)->child)->border_width -
310 2 * GTK_BIN (popup)->child->style->klass->xthickness);
312 work_height = (2 * popwin->child->style->klass->ythickness +
313 2 * GTK_CONTAINER (popwin->child)->border_width +
314 2 * GTK_CONTAINER (combo->popup)->border_width +
315 2 * GTK_CONTAINER (GTK_BIN (popup)->child)->border_width +
316 2 * GTK_BIN (popup)->child->style->klass->xthickness);
320 old_width = alloc_width;
321 old_height = work_height;
324 alloc_width < list_requisition.width)
326 work_height += popup->hscrollbar->requisition.height +
327 GTK_SCROLLED_WINDOW_CLASS
328 (GTK_OBJECT (combo->popup)->klass)->scrollbar_spacing;
332 work_height + list_requisition.height > avail_height)
334 if (work_height + min_height > avail_height &&
335 *y - real_height > avail_height)
337 *y -= (work_height + list_requisition.height + real_height);
341 popup->vscrollbar->requisition.width +
342 GTK_SCROLLED_WINDOW_CLASS
343 (GTK_OBJECT (combo->popup)->klass)->scrollbar_spacing;
346 } while (old_width != alloc_width || old_height != work_height);
348 *width = widget->allocation.width;
350 *height = avail_height;
352 *height = work_height + list_requisition.height;
359 gtk_combo_popup_list (GtkCombo * combo)
361 gint height, width, x, y;
362 gint old_width, old_height;
364 old_width = combo->popwin->allocation.width;
365 old_height = combo->popwin->allocation.height;
367 gtk_combo_get_pos (combo, &x, &y, &height, &width);
369 /* workaround for gtk_scrolled_window_size_allocate bug */
370 if (old_width != width || old_height != height)
372 gtk_widget_hide (GTK_SCROLLED_WINDOW (combo->popup)->hscrollbar);
373 gtk_widget_hide (GTK_SCROLLED_WINDOW (combo->popup)->vscrollbar);
376 gtk_widget_set_uposition (combo->popwin, x, y);
377 gtk_widget_set_usize (combo->popwin, width, height);
378 gtk_widget_realize (combo->popwin);
379 gdk_window_resize (combo->popwin->window, width, height);
380 gtk_widget_show (combo->popwin);
382 gtk_widget_grab_focus (combo->popwin);
386 gtk_combo_activate (GtkWidget *widget,
389 gtk_combo_popup_list (combo);
391 if (!GTK_WIDGET_HAS_FOCUS (combo->entry))
392 gtk_widget_grab_focus (combo->entry);
394 gtk_grab_add (combo->popwin);
395 gdk_pointer_grab (combo->popwin->window, TRUE,
396 GDK_BUTTON_PRESS_MASK |
397 GDK_BUTTON_RELEASE_MASK |
398 GDK_POINTER_MOTION_MASK,
399 NULL, NULL, GDK_CURRENT_TIME);
403 gtk_combo_popup_button_press (GtkWidget *button,
404 GdkEventButton *event,
407 if (!GTK_WIDGET_HAS_FOCUS (combo->entry))
408 gtk_widget_grab_focus (combo->entry);
409 if (!combo->current_button && (event->button == 1))
410 gtk_combo_popup_list (combo);
412 combo->current_button = event->button;
414 GTK_LIST (combo->list)->drag_selection = TRUE;
415 gdk_pointer_grab (combo->list->window, TRUE,
416 GDK_POINTER_MOTION_HINT_MASK |
417 GDK_BUTTON1_MOTION_MASK |
418 GDK_BUTTON_RELEASE_MASK,
419 NULL, NULL, event->time);
420 gtk_grab_add (combo->list);
424 gtk_combo_popup_button_leave (GtkWidget *button,
425 GdkEventCrossing *event,
428 if (combo->current_button)
429 gtk_signal_emit_stop_by_name (GTK_OBJECT (button), "leave_notify_event");
434 gtk_combo_update_entry (GtkList * list, GtkCombo * combo)
438 gtk_grab_remove (GTK_WIDGET (combo));
439 gtk_signal_handler_block (GTK_OBJECT (list), combo->list_change_id);
442 text = gtk_combo_func (GTK_LIST_ITEM (list->selection->data));
445 gtk_entry_set_text (GTK_ENTRY (combo->entry), text);
447 gtk_signal_handler_unblock (GTK_OBJECT (list), combo->list_change_id);
451 gtk_combo_update_list (GtkEntry * entry, GtkCombo * combo)
453 GtkList *list = GTK_LIST (combo->list);
454 GList *slist = list->selection;
457 gtk_grab_remove (GTK_WIDGET (combo));
459 gtk_signal_handler_block (GTK_OBJECT (entry), combo->entry_change_id);
460 if (slist && slist->data)
461 gtk_list_unselect_child (list, GTK_WIDGET (slist->data));
462 li = gtk_combo_find (combo);
464 gtk_list_select_child (list, GTK_WIDGET (li));
465 gtk_signal_handler_unblock (GTK_OBJECT (entry), combo->entry_change_id);
469 gtk_combo_button_press (GtkWidget * widget, GdkEvent * event, GtkCombo * combo)
473 child = gtk_get_event_widget (event);
475 /* We don't ask for button press events on the grab widget, so
476 * if an event is reported directly to the grab widget, it must
477 * be on a window outside the application (and thus we remove
478 * the popup window). Otherwise, we check if the widget is a child
479 * of the grab widget, and only remove the popup window if it
488 child = child->parent;
492 gtk_widget_hide (combo->popwin);
493 gtk_grab_remove (combo->popwin);
494 gdk_pointer_ungrab (event->button.time);
500 gtk_combo_button_release (GtkWidget * widget, GdkEvent * event, GtkCombo * combo)
504 if ((combo->current_button != 0) && (event->button.button == 1))
506 /* This was the initial button press */
508 GdkEventCrossing tmp_event;
510 combo->current_button = 0;
512 if (widget != combo->button)
513 gtk_widget_event (combo->button, event);
515 /* Un-pre-hightlight */
517 tmp_event.type = GDK_LEAVE_NOTIFY;
518 tmp_event.window = combo->button->window;
519 tmp_event.send_event = TRUE;
520 tmp_event.subwindow = NULL;
521 tmp_event.detail = GDK_NOTIFY_ANCESTOR;
523 gtk_widget_event (combo->button, (GdkEvent *)&tmp_event);
525 /* Check to see if we released inside the button */
526 child = gtk_get_event_widget ((GdkEvent*) event);
528 while (child && child != (combo->button))
529 child = child->parent;
531 if (child == combo->button)
533 gtk_grab_add (combo->popwin);
534 gdk_pointer_grab (combo->popwin->window, TRUE,
535 GDK_BUTTON_PRESS_MASK |
536 GDK_BUTTON_RELEASE_MASK |
537 GDK_POINTER_MOTION_MASK,
538 NULL, NULL, GDK_CURRENT_TIME);
544 /* The user has clicked inside the popwin and released */
546 if (GTK_WIDGET_HAS_GRAB (combo->popwin))
548 gtk_grab_remove (combo->popwin);
549 gdk_pointer_ungrab (event->button.time);
553 gtk_widget_hide (combo->popwin);
559 gtk_combo_list_enter (GtkWidget *widget,
560 GdkEventCrossing *event,
563 GtkWidget *event_widget;
565 event_widget = gtk_get_event_widget ((GdkEvent*) event);
567 if ((event_widget == combo->list) &&
568 (combo->current_button != 0) &&
569 (!GTK_WIDGET_HAS_GRAB (combo->list)))
573 GdkModifierType mask;
575 gtk_grab_remove (combo->popwin);
577 /* Transfer the grab over to the list by synthesizing
578 * a button press event
580 gdk_window_get_pointer (combo->list->window, &x, &y, &mask);
582 tmp_event.button.type = GDK_BUTTON_PRESS;
583 tmp_event.button.window = combo->list->window;
584 tmp_event.button.send_event = TRUE;
585 tmp_event.button.time = GDK_CURRENT_TIME; /* bad */
586 tmp_event.button.x = x;
587 tmp_event.button.y = y;
588 /* We leave all the XInput fields unfilled here, in the expectation
589 * that GtkList doesn't care.
591 tmp_event.button.button = combo->current_button;
592 tmp_event.button.state = mask;
594 gtk_widget_event (combo->list, &tmp_event);
601 gtk_combo_list_key_press (GtkWidget * widget, GdkEventKey * event, GtkCombo * combo)
603 if (event->keyval == GDK_Escape)
605 if (GTK_WIDGET_HAS_GRAB (combo->popwin))
607 gtk_grab_remove (combo->popwin);
608 gdk_pointer_ungrab (GDK_CURRENT_TIME);
610 else if (GTK_WIDGET_HAS_GRAB (combo->list))
611 gtk_list_end_drag_selection (GTK_LIST (combo->list));
612 gtk_widget_hide (combo->popwin);
613 if (GTK_WIDGET_HAS_GRAB (combo->button))
615 combo->current_button = 0;
616 GTK_BUTTON (combo->button)->in_button = FALSE;
617 gtk_button_released (GTK_BUTTON (combo->button));
618 gtk_grab_remove (combo->button);
626 gtk_combo_init (GtkCombo * combo)
630 GtkWidget *event_box;
633 combo->case_sensitive = 0;
634 combo->value_in_list = 0;
635 combo->ok_if_empty = 1;
636 combo->use_arrows = 1;
637 combo->use_arrows_always = 0;
638 combo->entry = gtk_entry_new ();
639 combo->button = gtk_button_new ();
640 combo->current_button = 0;
641 arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
642 gtk_widget_show (arrow);
643 gtk_container_add (GTK_CONTAINER (combo->button), arrow);
644 gtk_box_pack_start (GTK_BOX (combo), combo->entry, TRUE, TRUE, 0);
645 gtk_box_pack_end (GTK_BOX (combo), combo->button, FALSE, FALSE, 0);
646 GTK_WIDGET_UNSET_FLAGS (combo->button, GTK_CAN_FOCUS);
647 gtk_widget_show (combo->entry);
648 gtk_widget_show (combo->button);
649 combo->entry_change_id = gtk_signal_connect (GTK_OBJECT (combo->entry), "changed",
650 (GtkSignalFunc) gtk_combo_update_list, combo);
651 gtk_signal_connect (GTK_OBJECT (combo->entry), "key_press_event",
652 (GtkSignalFunc) gtk_combo_entry_key_press, combo);
653 gtk_signal_connect_after (GTK_OBJECT (combo->entry), "focus_out_event",
654 (GtkSignalFunc) gtk_combo_entry_focus_out, combo);
655 combo->activate_id = gtk_signal_connect (GTK_OBJECT (combo->entry), "activate",
656 (GtkSignalFunc) gtk_combo_activate, combo);
657 gtk_signal_connect_after (GTK_OBJECT (combo->button), "button_press_event",
658 (GtkSignalFunc) gtk_combo_popup_button_press, combo);
659 /*gtk_signal_connect_after (GTK_OBJECT (combo->button), "button_release_event",
660 (GtkSignalFunc) gtk_combo_button_release, combo);*/
661 gtk_signal_connect (GTK_OBJECT (combo->button), "leave_notify_event",
662 (GtkSignalFunc) gtk_combo_popup_button_leave, combo);
663 /*gtk_signal_connect(GTK_OBJECT(combo->button), "clicked",
664 (GtkSignalFunc)prelight_bug, combo); */
666 combo->popwin = gtk_window_new (GTK_WINDOW_POPUP);
667 gtk_widget_ref (combo->popwin);
668 gtk_window_set_policy (GTK_WINDOW (combo->popwin), 1, 1, 0);
670 gtk_widget_set_events (combo->popwin, GDK_KEY_PRESS_MASK);
672 event_box = gtk_event_box_new ();
673 gtk_container_add (GTK_CONTAINER (combo->popwin), event_box);
674 gtk_widget_show (event_box);
676 gtk_widget_realize (event_box);
677 cursor = gdk_cursor_new (GDK_TOP_LEFT_ARROW);
678 gdk_window_set_cursor (event_box->window, cursor);
679 gdk_cursor_destroy (cursor);
681 frame = gtk_frame_new (NULL);
682 gtk_container_add (GTK_CONTAINER (event_box), frame);
683 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
684 gtk_widget_show (frame);
686 combo->popup = gtk_scrolled_window_new (NULL, NULL);
687 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (combo->popup),
688 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
689 GTK_WIDGET_UNSET_FLAGS (GTK_SCROLLED_WINDOW (combo->popup)->hscrollbar, GTK_CAN_FOCUS);
690 GTK_WIDGET_UNSET_FLAGS (GTK_SCROLLED_WINDOW (combo->popup)->vscrollbar, GTK_CAN_FOCUS);
691 gtk_container_add (GTK_CONTAINER (frame), combo->popup);
692 gtk_widget_show (combo->popup);
694 combo->list = gtk_list_new ();
695 /* We'll use enter notify events to figure out when to transfer
696 * the grab to the list
698 gtk_widget_set_events (combo->list, GDK_ENTER_NOTIFY_MASK);
700 gtk_list_set_selection_mode(GTK_LIST(combo->list), GTK_SELECTION_BROWSE);
701 gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (combo->popup), combo->list);
702 gtk_container_set_focus_vadjustment (GTK_CONTAINER (combo->list),
703 gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (combo->popup)));
704 gtk_container_set_focus_hadjustment (GTK_CONTAINER (combo->list),
705 gtk_scrolled_window_get_hadjustment (GTK_SCROLLED_WINDOW (combo->popup)));
706 gtk_widget_show (combo->list);
708 combo->list_change_id = gtk_signal_connect (GTK_OBJECT (combo->list), "selection_changed",
709 (GtkSignalFunc) gtk_combo_update_entry, combo);
710 gtk_signal_connect (GTK_OBJECT (combo->popwin), "key_press_event",
711 (GtkSignalFunc) gtk_combo_list_key_press, combo);
712 gtk_signal_connect (GTK_OBJECT (combo->popwin), "button_press_event",
713 GTK_SIGNAL_FUNC (gtk_combo_button_press), combo);
715 gtk_signal_connect_after (GTK_OBJECT (combo->list), "button_release_event",
716 GTK_SIGNAL_FUNC (gtk_combo_button_release), combo);
717 /* We connect here on the button, because we'll have a grab on it
718 * when the event occurs. But we are actually interested in enters
719 * for the combo->list.
721 gtk_signal_connect (GTK_OBJECT (combo->button), "enter_notify_event",
722 GTK_SIGNAL_FUNC (gtk_combo_list_enter), combo);
726 gtk_combo_get_type (void)
728 static guint combo_type = 0;
732 static const GtkTypeInfo combo_info =
736 sizeof (GtkComboClass),
737 (GtkClassInitFunc) gtk_combo_class_init,
738 (GtkObjectInitFunc) gtk_combo_init,
739 /* reserved_1 */ NULL,
740 /* reserved_2 */ NULL,
741 (GtkClassInitFunc) NULL,
743 combo_type = gtk_type_unique (gtk_hbox_get_type (), &combo_info);
751 return GTK_WIDGET (gtk_type_new (gtk_combo_get_type ()));
755 gtk_combo_set_value_in_list (GtkCombo * combo, gint val, gint ok_if_empty)
757 g_return_if_fail (combo != NULL);
758 g_return_if_fail (GTK_IS_COMBO (combo));
760 combo->value_in_list = val;
761 combo->ok_if_empty = ok_if_empty;
765 gtk_combo_set_case_sensitive (GtkCombo * combo, gint val)
767 g_return_if_fail (combo != NULL);
768 g_return_if_fail (GTK_IS_COMBO (combo));
770 combo->case_sensitive = val;
774 gtk_combo_set_use_arrows (GtkCombo * combo, gint val)
776 g_return_if_fail (combo != NULL);
777 g_return_if_fail (GTK_IS_COMBO (combo));
779 combo->use_arrows = val;
783 gtk_combo_set_use_arrows_always (GtkCombo * combo, gint val)
785 g_return_if_fail (combo != NULL);
786 g_return_if_fail (GTK_IS_COMBO (combo));
788 combo->use_arrows_always = val;
789 combo->use_arrows = 1;
793 gtk_combo_set_popdown_strings (GtkCombo * combo, GList * strings)
798 g_return_if_fail (combo != NULL);
799 g_return_if_fail (GTK_IS_COMBO (combo));
800 g_return_if_fail (strings != NULL);
802 gtk_list_clear_items (GTK_LIST (combo->list), 0, -1);
806 li = gtk_list_item_new_with_label ((gchar *) list->data);
807 gtk_widget_show (li);
808 gtk_container_add (GTK_CONTAINER (combo->list), li);
814 gtk_combo_item_destroy (GtkObject * object)
818 key = gtk_object_get_data (object, gtk_combo_string_key);
824 gtk_combo_set_item_string (GtkCombo * combo, GtkItem * item, const gchar * item_value)
829 g_return_if_fail (combo != NULL);
830 g_return_if_fail (GTK_IS_COMBO (combo));
831 g_return_if_fail (item != NULL);
833 val = gtk_object_get_data (GTK_OBJECT (item), gtk_combo_string_key);
841 val = g_strdup(item_value);
842 gtk_object_set_data (GTK_OBJECT (item), gtk_combo_string_key, val);
844 gtk_signal_connect (GTK_OBJECT (item), "destroy",
845 (GtkSignalFunc) gtk_combo_item_destroy, val);
849 gtk_object_set_data (GTK_OBJECT (item), gtk_combo_string_key, NULL);
851 gtk_signal_disconnect_by_data(GTK_OBJECT (item), val);
856 gtk_combo_size_allocate (GtkWidget *widget,
857 GtkAllocation *allocation)
861 g_return_if_fail (widget != NULL);
862 g_return_if_fail (GTK_IS_COMBO (widget));
863 g_return_if_fail (allocation != NULL);
865 GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
867 combo = GTK_COMBO (widget);
869 if (combo->entry->allocation.height > combo->entry->requisition.height)
871 GtkAllocation button_allocation;
873 button_allocation = combo->button->allocation;
874 button_allocation.height = combo->entry->requisition.height;
875 button_allocation.y = combo->entry->allocation.y +
876 (combo->entry->allocation.height - combo->entry->requisition.height)
878 gtk_widget_size_allocate (combo->button, &button_allocation);
883 gtk_combo_disable_activate (GtkCombo* combo)
885 g_return_if_fail (combo != NULL);
886 g_return_if_fail (GTK_IS_COMBO (combo));
888 if ( combo->activate_id ) {
889 gtk_signal_disconnect(GTK_OBJECT(combo->entry), combo->activate_id);
890 combo->activate_id = 0;