1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Jsh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser 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 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser 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.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
29 #include "gdk/gdkkeysyms.h"
31 #undef GTK_DISABLE_DEPRECATED
34 #include "gtkmenuitem.h"
35 #include "gtkmarshalers.h"
36 #include "gtkoptionmenu.h"
37 #include "gtkprivate.h"
41 #define CHILD_LEFT_SPACING 4
42 #define CHILD_RIGHT_SPACING 1
43 #define CHILD_TOP_SPACING 1
44 #define CHILD_BOTTOM_SPACING 1
46 typedef struct _GtkOptionMenuProps GtkOptionMenuProps;
48 struct _GtkOptionMenuProps
50 gboolean interior_focus;
51 GtkRequisition indicator_size;
52 GtkBorder indicator_spacing;
57 static const GtkOptionMenuProps default_props = {
60 { 7, 5, 2, 2 }, /* Left, right, top, bottom */
65 static void gtk_option_menu_destroy (GtkObject *object);
66 static void gtk_option_menu_set_property (GObject *object,
70 static void gtk_option_menu_get_property (GObject *object,
74 static void gtk_option_menu_size_request (GtkWidget *widget,
75 GtkRequisition *requisition);
76 static void gtk_option_menu_size_allocate (GtkWidget *widget,
77 GtkAllocation *allocation);
78 static void gtk_option_menu_paint (GtkWidget *widget,
80 static gint gtk_option_menu_expose (GtkWidget *widget,
81 GdkEventExpose *event);
82 static gint gtk_option_menu_button_press (GtkWidget *widget,
83 GdkEventButton *event);
84 static gint gtk_option_menu_key_press (GtkWidget *widget,
86 static void gtk_option_menu_selection_done (GtkMenuShell *menu_shell,
87 GtkOptionMenu *option_menu);
88 static void gtk_option_menu_update_contents (GtkOptionMenu *option_menu);
89 static void gtk_option_menu_remove_contents (GtkOptionMenu *option_menu);
90 static void gtk_option_menu_calc_size (GtkOptionMenu *option_menu);
91 static void gtk_option_menu_position (GtkMenu *menu,
96 static void gtk_option_menu_show_all (GtkWidget *widget);
97 static void gtk_option_menu_hide_all (GtkWidget *widget);
98 static gboolean gtk_option_menu_mnemonic_activate (GtkWidget *widget,
99 gboolean group_cycling);
100 static GType gtk_option_menu_child_type (GtkContainer *container);
101 static gint gtk_option_menu_scroll_event (GtkWidget *widget,
102 GdkEventScroll *event);
116 static guint signals[LAST_SIGNAL] = { 0 };
118 G_DEFINE_TYPE (GtkOptionMenu, gtk_option_menu, GTK_TYPE_BUTTON)
121 gtk_option_menu_class_init (GtkOptionMenuClass *class)
123 GObjectClass *gobject_class;
124 GtkObjectClass *object_class;
125 GtkWidgetClass *widget_class;
126 GtkContainerClass *container_class;
128 gobject_class = (GObjectClass*) class;
129 object_class = (GtkObjectClass*) class;
130 widget_class = (GtkWidgetClass*) class;
131 container_class = (GtkContainerClass*) class;
134 g_signal_new (I_("changed"),
135 G_OBJECT_CLASS_TYPE (class),
137 G_STRUCT_OFFSET (GtkOptionMenuClass, changed),
139 _gtk_marshal_VOID__VOID,
142 gobject_class->set_property = gtk_option_menu_set_property;
143 gobject_class->get_property = gtk_option_menu_get_property;
144 object_class->destroy = gtk_option_menu_destroy;
146 widget_class->size_request = gtk_option_menu_size_request;
147 widget_class->size_allocate = gtk_option_menu_size_allocate;
148 widget_class->expose_event = gtk_option_menu_expose;
149 widget_class->button_press_event = gtk_option_menu_button_press;
150 widget_class->key_press_event = gtk_option_menu_key_press;
151 widget_class->scroll_event = gtk_option_menu_scroll_event;
152 widget_class->show_all = gtk_option_menu_show_all;
153 widget_class->hide_all = gtk_option_menu_hide_all;
154 widget_class->mnemonic_activate = gtk_option_menu_mnemonic_activate;
156 container_class->child_type = gtk_option_menu_child_type;
158 g_object_class_install_property (gobject_class,
160 g_param_spec_object ("menu",
162 P_("The menu of options"),
164 GTK_PARAM_READWRITE));
166 gtk_widget_class_install_style_property (widget_class,
167 g_param_spec_boxed ("indicator-size",
168 P_("Indicator Size"),
169 P_("Size of dropdown indicator"),
170 GTK_TYPE_REQUISITION,
171 GTK_PARAM_READABLE));
172 gtk_widget_class_install_style_property (widget_class,
173 g_param_spec_boxed ("indicator-spacing",
174 P_("Indicator Spacing"),
175 P_("Spacing around indicator"),
177 GTK_PARAM_READABLE));
181 gtk_option_menu_child_type (GtkContainer *container)
187 gtk_option_menu_init (GtkOptionMenu *option_menu)
189 GTK_WIDGET_SET_FLAGS (option_menu, GTK_CAN_FOCUS);
190 GTK_WIDGET_UNSET_FLAGS (option_menu, GTK_CAN_DEFAULT | GTK_RECEIVES_DEFAULT);
192 option_menu->menu = NULL;
193 option_menu->menu_item = NULL;
194 option_menu->width = 0;
195 option_menu->height = 0;
199 gtk_option_menu_new (void)
201 return g_object_new (GTK_TYPE_OPTION_MENU, NULL);
205 gtk_option_menu_get_menu (GtkOptionMenu *option_menu)
207 g_return_val_if_fail (GTK_IS_OPTION_MENU (option_menu), NULL);
209 return option_menu->menu;
213 gtk_option_menu_detacher (GtkWidget *widget,
216 GtkOptionMenu *option_menu;
218 g_return_if_fail (GTK_IS_OPTION_MENU (widget));
220 option_menu = GTK_OPTION_MENU (widget);
221 g_return_if_fail (option_menu->menu == (GtkWidget*) menu);
223 gtk_option_menu_remove_contents (option_menu);
224 g_signal_handlers_disconnect_by_func (option_menu->menu,
225 gtk_option_menu_selection_done,
227 g_signal_handlers_disconnect_by_func (option_menu->menu,
228 gtk_option_menu_calc_size,
231 option_menu->menu = NULL;
232 g_object_notify (G_OBJECT (option_menu), "menu");
236 gtk_option_menu_set_menu (GtkOptionMenu *option_menu,
239 g_return_if_fail (GTK_IS_OPTION_MENU (option_menu));
240 g_return_if_fail (GTK_IS_MENU (menu));
242 if (option_menu->menu != menu)
244 gtk_option_menu_remove_menu (option_menu);
246 option_menu->menu = menu;
247 gtk_menu_attach_to_widget (GTK_MENU (menu),
248 GTK_WIDGET (option_menu),
249 gtk_option_menu_detacher);
251 gtk_option_menu_calc_size (option_menu);
253 g_signal_connect_after (option_menu->menu, "selection-done",
254 G_CALLBACK (gtk_option_menu_selection_done),
256 g_signal_connect_swapped (option_menu->menu, "size-request",
257 G_CALLBACK (gtk_option_menu_calc_size),
260 if (GTK_WIDGET (option_menu)->parent)
261 gtk_widget_queue_resize (GTK_WIDGET (option_menu));
263 gtk_option_menu_update_contents (option_menu);
265 g_object_notify (G_OBJECT (option_menu), "menu");
270 gtk_option_menu_remove_menu (GtkOptionMenu *option_menu)
272 g_return_if_fail (GTK_IS_OPTION_MENU (option_menu));
274 if (option_menu->menu)
276 if (GTK_MENU_SHELL (option_menu->menu)->active)
277 gtk_menu_shell_cancel (GTK_MENU_SHELL (option_menu->menu));
279 gtk_menu_detach (GTK_MENU (option_menu->menu));
284 gtk_option_menu_set_history (GtkOptionMenu *option_menu,
287 GtkWidget *menu_item;
289 g_return_if_fail (GTK_IS_OPTION_MENU (option_menu));
291 if (option_menu->menu)
293 gtk_menu_set_active (GTK_MENU (option_menu->menu), index);
294 menu_item = gtk_menu_get_active (GTK_MENU (option_menu->menu));
296 if (menu_item != option_menu->menu_item)
297 gtk_option_menu_update_contents (option_menu);
302 * gtk_option_menu_get_history:
303 * @option_menu: a #GtkOptionMenu
305 * Retrieves the index of the currently selected menu item. The menu
306 * items are numbered from top to bottom, starting with 0.
308 * Return value: index of the selected menu item, or -1 if there are no menu items
309 * Deprecated: 2.4: Use #GtkComboBox instead.
312 gtk_option_menu_get_history (GtkOptionMenu *option_menu)
314 GtkWidget *active_widget;
316 g_return_val_if_fail (GTK_IS_OPTION_MENU (option_menu), -1);
318 if (option_menu->menu)
320 active_widget = gtk_menu_get_active (GTK_MENU (option_menu->menu));
323 return g_list_index (GTK_MENU_SHELL (option_menu->menu)->children,
333 gtk_option_menu_set_property (GObject *object,
338 GtkOptionMenu *option_menu = GTK_OPTION_MENU (object);
343 gtk_option_menu_set_menu (option_menu, g_value_get_object (value));
347 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
353 gtk_option_menu_get_property (GObject *object,
358 GtkOptionMenu *option_menu = GTK_OPTION_MENU (object);
363 g_value_set_object (value, option_menu->menu);
367 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
373 gtk_option_menu_destroy (GtkObject *object)
375 GtkOptionMenu *option_menu = GTK_OPTION_MENU (object);
377 if (option_menu->menu)
378 gtk_widget_destroy (option_menu->menu);
380 GTK_OBJECT_CLASS (gtk_option_menu_parent_class)->destroy (object);
384 gtk_option_menu_get_props (GtkOptionMenu *option_menu,
385 GtkOptionMenuProps *props)
387 GtkRequisition *indicator_size;
388 GtkBorder *indicator_spacing;
390 gtk_widget_style_get (GTK_WIDGET (option_menu),
391 "indicator-size", &indicator_size,
392 "indicator-spacing", &indicator_spacing,
393 "interior-focus", &props->interior_focus,
394 "focus-line-width", &props->focus_width,
395 "focus-padding", &props->focus_pad,
399 props->indicator_size = *indicator_size;
401 props->indicator_size = default_props.indicator_size;
403 if (indicator_spacing)
404 props->indicator_spacing = *indicator_spacing;
406 props->indicator_spacing = default_props.indicator_spacing;
408 gtk_requisition_free (indicator_size);
409 gtk_border_free (indicator_spacing);
413 gtk_option_menu_size_request (GtkWidget *widget,
414 GtkRequisition *requisition)
416 GtkOptionMenu *option_menu = GTK_OPTION_MENU (widget);
417 GtkOptionMenuProps props;
419 GtkRequisition child_requisition = { 0, 0 };
421 gtk_option_menu_get_props (option_menu, &props);
423 if (GTK_BIN (option_menu)->child && GTK_WIDGET_VISIBLE (GTK_BIN (option_menu)->child))
425 gtk_widget_size_request (GTK_BIN (option_menu)->child, &child_requisition);
427 requisition->width += child_requisition.width;
428 requisition->height += child_requisition.height;
431 requisition->width = ((GTK_CONTAINER (widget)->border_width +
432 GTK_WIDGET (widget)->style->xthickness + props.focus_pad) * 2 +
433 MAX (child_requisition.width, option_menu->width) +
434 props.indicator_size.width +
435 props.indicator_spacing.left + props.indicator_spacing.right +
436 CHILD_LEFT_SPACING + CHILD_RIGHT_SPACING + props.focus_width * 2);
437 requisition->height = ((GTK_CONTAINER (widget)->border_width +
438 GTK_WIDGET (widget)->style->ythickness + props.focus_pad) * 2 +
439 MAX (child_requisition.height, option_menu->height) +
440 CHILD_TOP_SPACING + CHILD_BOTTOM_SPACING + props.focus_width * 2);
442 tmp = (requisition->height - MAX (child_requisition.height, option_menu->height) +
443 props.indicator_size.height + props.indicator_spacing.top + props.indicator_spacing.bottom);
444 requisition->height = MAX (requisition->height, tmp);
448 gtk_option_menu_size_allocate (GtkWidget *widget,
449 GtkAllocation *allocation)
452 GtkButton *button = GTK_BUTTON (widget);
453 GtkAllocation child_allocation;
454 GtkOptionMenuProps props;
457 gtk_option_menu_get_props (GTK_OPTION_MENU (widget), &props);
458 border_width = GTK_CONTAINER (widget)->border_width;
460 widget->allocation = *allocation;
461 if (GTK_WIDGET_REALIZED (widget))
462 gdk_window_move_resize (button->event_window,
463 allocation->x + border_width, allocation->y + border_width,
464 allocation->width - border_width * 2, allocation->height - border_width * 2);
466 child = GTK_BIN (widget)->child;
467 if (child && GTK_WIDGET_VISIBLE (child))
469 gint xthickness = GTK_WIDGET (widget)->style->xthickness;
470 gint ythickness = GTK_WIDGET (widget)->style->ythickness;
472 child_allocation.x = widget->allocation.x + border_width + xthickness + props.focus_width + props.focus_pad + CHILD_LEFT_SPACING;
473 child_allocation.y = widget->allocation.y + border_width + ythickness + props.focus_width + props.focus_pad + CHILD_TOP_SPACING;
474 child_allocation.width = MAX (1, allocation->width - (border_width + xthickness + props.focus_width + props.focus_pad) * 2 -
475 props.indicator_size.width - props.indicator_spacing.left - props.indicator_spacing.right -
476 CHILD_LEFT_SPACING - CHILD_RIGHT_SPACING);
477 child_allocation.height = MAX (1, allocation->height - (border_width + ythickness + props.focus_width + props.focus_pad) * 2 -
478 CHILD_TOP_SPACING - CHILD_BOTTOM_SPACING);
480 if (gtk_widget_get_direction (GTK_WIDGET (widget)) == GTK_TEXT_DIR_RTL)
481 child_allocation.x += props.indicator_size.width + props.indicator_spacing.left + props.indicator_spacing.right;
483 gtk_widget_size_allocate (child, &child_allocation);
488 gtk_option_menu_paint (GtkWidget *widget,
491 GdkRectangle button_area;
492 GtkOptionMenuProps props;
496 g_return_if_fail (GTK_IS_OPTION_MENU (widget));
497 g_return_if_fail (area != NULL);
499 if (GTK_WIDGET_DRAWABLE (widget))
501 border_width = GTK_CONTAINER (widget)->border_width;
502 gtk_option_menu_get_props (GTK_OPTION_MENU (widget), &props);
504 button_area.x = widget->allocation.x + border_width;
505 button_area.y = widget->allocation.y + border_width;
506 button_area.width = widget->allocation.width - 2 * border_width;
507 button_area.height = widget->allocation.height - 2 * border_width;
509 if (!props.interior_focus && GTK_WIDGET_HAS_FOCUS (widget))
511 button_area.x += props.focus_width + props.focus_pad;
512 button_area.y += props.focus_width + props.focus_pad;
513 button_area.width -= 2 * (props.focus_width + props.focus_pad);
514 button_area.height -= 2 * (props.focus_width + props.focus_pad);
517 gtk_paint_box (widget->style, widget->window,
518 GTK_WIDGET_STATE (widget), GTK_SHADOW_OUT,
519 area, widget, "optionmenu",
520 button_area.x, button_area.y,
521 button_area.width, button_area.height);
523 if (gtk_widget_get_direction (GTK_WIDGET (widget)) == GTK_TEXT_DIR_RTL)
524 tab_x = button_area.x + props.indicator_spacing.right +
525 widget->style->xthickness;
527 tab_x = button_area.x + button_area.width -
528 props.indicator_size.width - props.indicator_spacing.right -
529 widget->style->xthickness;
531 gtk_paint_tab (widget->style, widget->window,
532 GTK_WIDGET_STATE (widget), GTK_SHADOW_OUT,
533 area, widget, "optionmenutab",
535 button_area.y + (button_area.height - props.indicator_size.height) / 2,
536 props.indicator_size.width, props.indicator_size.height);
538 if (GTK_WIDGET_HAS_FOCUS (widget))
540 if (props.interior_focus)
542 button_area.x += widget->style->xthickness + props.focus_pad;
543 button_area.y += widget->style->ythickness + props.focus_pad;
544 button_area.width -= 2 * (widget->style->xthickness + props.focus_pad) +
545 props.indicator_spacing.left +
546 props.indicator_spacing.right +
547 props.indicator_size.width;
548 button_area.height -= 2 * (widget->style->ythickness + props.focus_pad);
549 if (gtk_widget_get_direction (GTK_WIDGET (widget)) == GTK_TEXT_DIR_RTL)
550 button_area.x += props.indicator_spacing.left +
551 props.indicator_spacing.right +
552 props.indicator_size.width;
556 button_area.x -= props.focus_width + props.focus_pad;
557 button_area.y -= props.focus_width + props.focus_pad;
558 button_area.width += 2 * (props.focus_width + props.focus_pad);
559 button_area.height += 2 * (props.focus_width + props.focus_pad);
562 gtk_paint_focus (widget->style, widget->window, GTK_WIDGET_STATE (widget),
563 area, widget, "button",
573 gtk_option_menu_expose (GtkWidget *widget,
574 GdkEventExpose *event)
576 g_return_val_if_fail (GTK_IS_OPTION_MENU (widget), FALSE);
577 g_return_val_if_fail (event != NULL, FALSE);
579 if (GTK_WIDGET_DRAWABLE (widget))
581 gtk_option_menu_paint (widget, &event->area);
584 /* The following code tries to draw the child in two places at
585 * once. It fails miserably for several reasons
587 * - If the child is not no-window, removing generates
588 * more expose events. Bad, bad, bad.
590 * - Even if the child is no-window, removing it now (properly)
591 * clears the space where it was, so it does no good
595 remove_child = FALSE;
596 child = GTK_BUTTON (widget)->child;
600 if (!GTK_OPTION_MENU (widget)->menu)
602 gtk_option_menu_update_contents (GTK_OPTION_MENU (widget));
603 child = GTK_BUTTON (widget)->child;
609 child_event = *event;
611 if (!gtk_widget_get_has_window (child) &&
612 gtk_widget_intersect (child, &event->area, &child_event.area))
613 gtk_widget_event (child, (GdkEvent*) &child_event);
616 gtk_option_menu_remove_contents (GTK_OPTION_MENU (widget));
618 if (GTK_BIN (widget)->child)
619 gtk_container_propagate_expose (GTK_CONTAINER (widget),
620 GTK_BIN (widget)->child,
629 gtk_option_menu_button_press (GtkWidget *widget,
630 GdkEventButton *event)
632 GtkOptionMenu *option_menu;
633 GtkWidget *menu_item;
635 g_return_val_if_fail (GTK_IS_OPTION_MENU (widget), FALSE);
636 g_return_val_if_fail (event != NULL, FALSE);
638 option_menu = GTK_OPTION_MENU (widget);
640 if ((event->type == GDK_BUTTON_PRESS) &&
641 (event->button == 1))
643 gtk_option_menu_remove_contents (option_menu);
644 gtk_menu_popup (GTK_MENU (option_menu->menu), NULL, NULL,
645 gtk_option_menu_position, option_menu,
646 event->button, event->time);
647 menu_item = gtk_menu_get_active (GTK_MENU (option_menu->menu));
649 gtk_menu_shell_select_item (GTK_MENU_SHELL (option_menu->menu), menu_item);
657 gtk_option_menu_key_press (GtkWidget *widget,
660 GtkOptionMenu *option_menu;
661 GtkWidget *menu_item;
663 g_return_val_if_fail (GTK_IS_OPTION_MENU (widget), FALSE);
664 g_return_val_if_fail (event != NULL, FALSE);
666 option_menu = GTK_OPTION_MENU (widget);
668 switch (event->keyval)
672 gtk_option_menu_remove_contents (option_menu);
673 gtk_menu_popup (GTK_MENU (option_menu->menu), NULL, NULL,
674 gtk_option_menu_position, option_menu,
676 menu_item = gtk_menu_get_active (GTK_MENU (option_menu->menu));
678 gtk_menu_shell_select_item (GTK_MENU_SHELL (option_menu->menu), menu_item);
686 gtk_option_menu_selection_done (GtkMenuShell *menu_shell,
687 GtkOptionMenu *option_menu)
689 g_return_if_fail (menu_shell != NULL);
690 g_return_if_fail (GTK_IS_OPTION_MENU (option_menu));
692 gtk_option_menu_update_contents (option_menu);
696 gtk_option_menu_changed (GtkOptionMenu *option_menu)
698 g_return_if_fail (GTK_IS_OPTION_MENU (option_menu));
700 g_signal_emit (option_menu, signals[CHANGED], 0);
704 gtk_option_menu_select_first_sensitive (GtkOptionMenu *option_menu)
706 if (option_menu->menu)
708 GList *children = GTK_MENU_SHELL (option_menu->menu)->children;
713 if (GTK_WIDGET_SENSITIVE (children->data))
715 gtk_option_menu_set_history (option_menu, index);
719 children = children->next;
726 gtk_option_menu_item_state_changed_cb (GtkWidget *widget,
727 GtkStateType previous_state,
728 GtkOptionMenu *option_menu)
730 GtkWidget *child = GTK_BIN (option_menu)->child;
732 if (child && GTK_WIDGET_SENSITIVE (child) != GTK_WIDGET_IS_SENSITIVE (widget))
733 gtk_widget_set_sensitive (child, GTK_WIDGET_IS_SENSITIVE (widget));
737 gtk_option_menu_item_destroy_cb (GtkWidget *widget,
738 GtkOptionMenu *option_menu)
740 GtkWidget *child = GTK_BIN (option_menu)->child;
744 g_object_ref (child);
745 gtk_option_menu_remove_contents (option_menu);
746 gtk_widget_destroy (child);
747 g_object_unref (child);
749 gtk_option_menu_select_first_sensitive (option_menu);
754 gtk_option_menu_update_contents (GtkOptionMenu *option_menu)
757 GtkRequisition child_requisition;
759 g_return_if_fail (GTK_IS_OPTION_MENU (option_menu));
761 if (option_menu->menu)
763 GtkWidget *old_item = option_menu->menu_item;
765 gtk_option_menu_remove_contents (option_menu);
767 option_menu->menu_item = gtk_menu_get_active (GTK_MENU (option_menu->menu));
768 if (option_menu->menu_item)
770 g_object_ref (option_menu->menu_item);
771 child = GTK_BIN (option_menu->menu_item)->child;
774 if (!GTK_WIDGET_IS_SENSITIVE (option_menu->menu_item))
775 gtk_widget_set_sensitive (child, FALSE);
776 gtk_widget_reparent (child, GTK_WIDGET (option_menu));
779 g_signal_connect (option_menu->menu_item, "state-changed",
780 G_CALLBACK (gtk_option_menu_item_state_changed_cb), option_menu);
781 g_signal_connect (option_menu->menu_item, "destroy",
782 G_CALLBACK (gtk_option_menu_item_destroy_cb), option_menu);
784 gtk_widget_size_request (child, &child_requisition);
785 gtk_widget_size_allocate (GTK_WIDGET (option_menu),
786 &(GTK_WIDGET (option_menu)->allocation));
788 if (GTK_WIDGET_DRAWABLE (option_menu))
789 gtk_widget_queue_draw (GTK_WIDGET (option_menu));
792 if (old_item != option_menu->menu_item)
793 gtk_option_menu_changed (option_menu);
798 gtk_option_menu_remove_contents (GtkOptionMenu *option_menu)
802 g_return_if_fail (GTK_IS_OPTION_MENU (option_menu));
804 if (option_menu->menu_item)
806 child = GTK_BIN (option_menu)->child;
810 gtk_widget_set_sensitive (child, TRUE);
811 gtk_widget_set_state (child, GTK_STATE_NORMAL);
812 gtk_widget_reparent (child, option_menu->menu_item);
815 g_signal_handlers_disconnect_by_func (option_menu->menu_item,
816 gtk_option_menu_item_state_changed_cb,
818 g_signal_handlers_disconnect_by_func (option_menu->menu_item,
819 gtk_option_menu_item_destroy_cb,
822 g_object_unref (option_menu->menu_item);
823 option_menu->menu_item = NULL;
828 gtk_option_menu_calc_size (GtkOptionMenu *option_menu)
832 GtkRequisition child_requisition;
833 gint old_width = option_menu->width;
834 gint old_height = option_menu->height;
836 g_return_if_fail (GTK_IS_OPTION_MENU (option_menu));
838 option_menu->width = 0;
839 option_menu->height = 0;
841 if (option_menu->menu)
843 children = GTK_MENU_SHELL (option_menu->menu)->children;
846 child = children->data;
847 children = children->next;
849 if (GTK_WIDGET_VISIBLE (child))
851 GtkWidget *inner = GTK_BIN (child)->child;
855 gtk_widget_size_request (inner, &child_requisition);
857 option_menu->width = MAX (option_menu->width, child_requisition.width);
858 option_menu->height = MAX (option_menu->height, child_requisition.height);
864 if (old_width != option_menu->width || old_height != option_menu->height)
865 gtk_widget_queue_resize (GTK_WIDGET (option_menu));
869 gtk_option_menu_position (GtkMenu *menu,
875 GtkOptionMenu *option_menu;
879 GtkRequisition requisition;
886 g_return_if_fail (GTK_IS_OPTION_MENU (user_data));
888 option_menu = GTK_OPTION_MENU (user_data);
889 widget = GTK_WIDGET (option_menu);
891 gtk_widget_get_child_requisition (GTK_WIDGET (menu), &requisition);
892 menu_width = requisition.width;
894 active = gtk_menu_get_active (GTK_MENU (option_menu->menu));
895 gdk_window_get_origin (widget->window, &menu_xpos, &menu_ypos);
897 /* set combo box type hint for menu popup */
898 gtk_window_set_type_hint (GTK_WINDOW (GTK_MENU (option_menu->menu)->toplevel),
899 GDK_WINDOW_TYPE_HINT_COMBO);
901 menu_xpos += widget->allocation.x;
902 menu_ypos += widget->allocation.y + widget->allocation.height / 2 - 2;
906 gtk_widget_get_child_requisition (active, &requisition);
907 menu_ypos -= requisition.height / 2;
910 children = GTK_MENU_SHELL (option_menu->menu)->children;
913 child = children->data;
918 if (GTK_WIDGET_VISIBLE (child))
920 gtk_widget_get_child_requisition (child, &requisition);
921 menu_ypos -= requisition.height;
924 children = children->next;
927 if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
928 menu_xpos = menu_xpos + widget->allocation.width - menu_width;
930 /* Clamp the position on screen */
931 screen_width = gdk_screen_get_width (gtk_widget_get_screen (widget));
935 else if ((menu_xpos + menu_width) > screen_width)
936 menu_xpos -= ((menu_xpos + menu_width) - screen_width);
945 gtk_option_menu_show_all (GtkWidget *widget)
947 GtkContainer *container;
948 GtkOptionMenu *option_menu;
950 g_return_if_fail (GTK_IS_OPTION_MENU (widget));
951 container = GTK_CONTAINER (widget);
952 option_menu = GTK_OPTION_MENU (widget);
954 gtk_widget_show (widget);
955 gtk_container_foreach (container, (GtkCallback) gtk_widget_show_all, NULL);
956 if (option_menu->menu)
957 gtk_widget_show_all (option_menu->menu);
958 if (option_menu->menu_item)
959 gtk_widget_show_all (option_menu->menu_item);
964 gtk_option_menu_hide_all (GtkWidget *widget)
966 GtkContainer *container;
968 g_return_if_fail (GTK_IS_OPTION_MENU (widget));
969 container = GTK_CONTAINER (widget);
971 gtk_widget_hide (widget);
972 gtk_container_foreach (container, (GtkCallback) gtk_widget_hide_all, NULL);
976 gtk_option_menu_mnemonic_activate (GtkWidget *widget,
977 gboolean group_cycling)
979 gtk_widget_grab_focus (widget);
984 gtk_option_menu_scroll_event (GtkWidget *widget,
985 GdkEventScroll *event)
987 GtkOptionMenu *option_menu = GTK_OPTION_MENU (widget);
994 index = gtk_option_menu_get_history (option_menu);
998 n_children = g_list_length (GTK_MENU_SHELL (option_menu->menu)->children);
1000 if (event->direction == GDK_SCROLL_UP)
1012 if (index >= n_children)
1015 l = g_list_nth (GTK_MENU_SHELL (option_menu->menu)->children, index);
1016 item = GTK_MENU_ITEM (l->data);
1017 if (GTK_WIDGET_VISIBLE (item) && GTK_WIDGET_IS_SENSITIVE (item))
1019 gtk_option_menu_set_history (option_menu, index);
1020 gtk_menu_item_activate (GTK_MENU_ITEM (item));
1030 #define __GTK_OPTION_MENU_C__
1031 #include "gtkaliasdef.c"