2 * Copyright (C) 2002, 2003 Kristian Rietveld <kris@gtk.org>
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.
21 #include "gtkcombobox.h"
24 #include "gtkbindings.h"
25 #include "gtkcelllayout.h"
26 #include "gtkcellrenderertext.h"
27 #include "gtkcellview.h"
28 #include "gtkeventbox.h"
31 #include "gtkliststore.h"
34 #include "gtkscrolledwindow.h"
35 #include "gtkseparatormenuitem.h"
36 #include "gtktearoffmenuitem.h"
37 #include "gtktogglebutton.h"
38 #include "gtktreeselection.h"
39 #include "gtkvseparator.h"
40 #include "gtkwindow.h"
41 #include "gtkprivate.h"
42 #include "gtkmarshal.h"
44 #include <gdk/gdkkeysyms.h>
46 #include <gobject/gvaluecollector.h>
51 #include "gtkmarshalers.h"
54 #include "gtktreeprivate.h"
57 /* WELCOME, to THE house of evil code */
59 typedef struct _ComboCellInfo ComboCellInfo;
62 GtkCellRenderer *cell;
65 GtkCellLayoutDataFunc func;
67 GDestroyNotify destroy;
73 #define GTK_COMBO_BOX_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_COMBO_BOX, GtkComboBoxPrivate))
75 struct _GtkComboBoxPrivate
83 GtkShadowType shadow_type;
85 GtkTreeRowReference *active_row;
88 GtkTreeViewColumn *column;
91 GtkWidget *cell_view_frame;
98 GtkWidget *popup_widget;
99 GtkWidget *popup_window;
100 GtkWidget *scrolled_window;
107 guint activate_button;
108 guint32 activate_time;
110 guint resize_idle_id;
116 guint popup_in_progress : 1;
117 guint popup_shown : 1;
118 guint add_tearoffs : 1;
120 guint is_cell_renderer : 1;
121 guint editing_canceled : 1;
122 guint auto_scroll : 1;
123 guint focus_on_click : 1;
125 GtkTreeViewRowSeparatorFunc row_separator_func;
126 gpointer row_separator_data;
127 GtkDestroyNotify row_separator_destroy;
129 gchar *tearoff_title;
132 /* While debugging this evil code, I have learned that
133 * there are actually 4 modes to this widget, which can
134 * be characterized as follows
136 * 1) menu mode, no child added
139 * cell_view -> GtkCellView, regular child
140 * cell_view_frame -> NULL
141 * button -> GtkToggleButton set_parent to combo
142 * arrow -> GtkArrow set_parent to button
143 * separator -> GtkVSepator set_parent to button
144 * popup_widget -> GtkMenu
145 * popup_window -> NULL
146 * scrolled_window -> NULL
148 * 2) menu mode, child added
152 * cell_view_frame -> NULL
153 * button -> GtkToggleButton set_parent to combo
154 * arrow -> GtkArrow, child of button
156 * popup_widget -> GtkMenu
157 * popup_window -> NULL
158 * scrolled_window -> NULL
160 * 3) list mode, no child added
162 * tree_view -> GtkTreeView, child of scrolled_window
163 * cell_view -> GtkCellView, regular child
164 * cell_view_frame -> GtkFrame, set parent to combo
165 * button -> GtkToggleButton, set_parent to combo
166 * arrow -> GtkArrow, child of button
168 * popup_widget -> tree_view
169 * popup_window -> GtkWindow
170 * scrolled_window -> GtkScrolledWindow, child of popup_window
172 * 4) list mode, child added
174 * tree_view -> GtkTreeView, child of scrolled_window
176 * cell_view_frame -> NULL
177 * button -> GtkToggleButton, set_parent to combo
178 * arrow -> GtkArrow, child of button
180 * popup_widget -> tree_view
181 * popup_window -> GtkWindow
182 * scrolled_window -> GtkScrolledWindow, child of popup_window
198 PROP_ROW_SPAN_COLUMN,
199 PROP_COLUMN_SPAN_COLUMN,
208 static guint combo_box_signals[LAST_SIGNAL] = {0,};
210 #define BONUS_PADDING 4
211 #define SCROLL_TIME 100
215 static void gtk_combo_box_cell_layout_init (GtkCellLayoutIface *iface);
216 static void gtk_combo_box_cell_editable_init (GtkCellEditableIface *iface);
217 static void gtk_combo_box_dispose (GObject *object);
218 static void gtk_combo_box_finalize (GObject *object);
219 static void gtk_combo_box_destroy (GtkObject *object);
221 static void gtk_combo_box_set_property (GObject *object,
225 static void gtk_combo_box_get_property (GObject *object,
230 static void gtk_combo_box_state_changed (GtkWidget *widget,
231 GtkStateType previous);
232 static void gtk_combo_box_grab_focus (GtkWidget *widget);
233 static void gtk_combo_box_style_set (GtkWidget *widget,
235 static void gtk_combo_box_button_toggled (GtkWidget *widget,
237 static void gtk_combo_box_button_state_changed (GtkWidget *widget,
238 GtkStateType previous,
240 static void gtk_combo_box_add (GtkContainer *container,
242 static void gtk_combo_box_remove (GtkContainer *container,
245 static ComboCellInfo *gtk_combo_box_get_cell_info (GtkComboBox *combo_box,
246 GtkCellRenderer *cell);
248 static void gtk_combo_box_menu_show (GtkWidget *menu,
250 static void gtk_combo_box_menu_hide (GtkWidget *menu,
253 static void gtk_combo_box_set_popup_widget (GtkComboBox *combo_box,
255 static void gtk_combo_box_menu_position_below (GtkMenu *menu,
260 static void gtk_combo_box_menu_position_over (GtkMenu *menu,
265 static void gtk_combo_box_menu_position (GtkMenu *menu,
271 static gint gtk_combo_box_calc_requested_width (GtkComboBox *combo_box,
273 static void gtk_combo_box_remeasure (GtkComboBox *combo_box);
275 static void gtk_combo_box_unset_model (GtkComboBox *combo_box);
277 static void gtk_combo_box_size_request (GtkWidget *widget,
278 GtkRequisition *requisition);
279 static void gtk_combo_box_size_allocate (GtkWidget *widget,
280 GtkAllocation *allocation);
281 static void gtk_combo_box_forall (GtkContainer *container,
282 gboolean include_internals,
283 GtkCallback callback,
284 gpointer callback_data);
285 static gboolean gtk_combo_box_expose_event (GtkWidget *widget,
286 GdkEventExpose *event);
287 static gboolean gtk_combo_box_scroll_event (GtkWidget *widget,
288 GdkEventScroll *event);
289 static void gtk_combo_box_set_active_internal (GtkComboBox *combo_box,
292 static void gtk_combo_box_check_appearance (GtkComboBox *combo_box);
293 static gchar * gtk_combo_box_real_get_active_text (GtkComboBox *combo_box);
294 static void gtk_combo_box_real_move_active (GtkComboBox *combo_box,
295 GtkScrollType scroll);
296 static void gtk_combo_box_real_popup (GtkComboBox *combo_box);
297 static gboolean gtk_combo_box_real_popdown (GtkComboBox *combo_box);
299 /* listening to the model */
300 static void gtk_combo_box_model_row_inserted (GtkTreeModel *model,
304 static void gtk_combo_box_model_row_deleted (GtkTreeModel *model,
307 static void gtk_combo_box_model_rows_reordered (GtkTreeModel *model,
312 static void gtk_combo_box_model_row_changed (GtkTreeModel *model,
316 static void gtk_combo_box_model_row_expanded (GtkTreeModel *model,
322 static void gtk_combo_box_list_position (GtkComboBox *combo_box,
327 static void gtk_combo_box_list_setup (GtkComboBox *combo_box);
328 static void gtk_combo_box_list_destroy (GtkComboBox *combo_box);
330 static gboolean gtk_combo_box_list_button_released (GtkWidget *widget,
331 GdkEventButton *event,
333 static gboolean gtk_combo_box_list_key_press (GtkWidget *widget,
336 static gboolean gtk_combo_box_list_enter_notify (GtkWidget *widget,
337 GdkEventCrossing *event,
339 static void gtk_combo_box_list_auto_scroll (GtkComboBox *combo,
342 static gboolean gtk_combo_box_list_scroll_timeout (GtkComboBox *combo);
343 static gboolean gtk_combo_box_list_button_pressed (GtkWidget *widget,
344 GdkEventButton *event,
347 static gboolean gtk_combo_box_list_select_func (GtkTreeSelection *selection,
350 gboolean path_currently_selected,
353 static void gtk_combo_box_list_row_changed (GtkTreeModel *model,
357 static void gtk_combo_box_list_popup_resize (GtkComboBox *combo_box);
360 static void gtk_combo_box_menu_setup (GtkComboBox *combo_box,
361 gboolean add_children);
362 static void gtk_combo_box_menu_fill (GtkComboBox *combo_box);
363 static void gtk_combo_box_menu_fill_level (GtkComboBox *combo_box,
366 static void gtk_combo_box_update_title (GtkComboBox *combo_box);
367 static void gtk_combo_box_menu_destroy (GtkComboBox *combo_box);
369 static void gtk_combo_box_relayout_item (GtkComboBox *combo_box,
373 static void gtk_combo_box_relayout (GtkComboBox *combo_box);
375 static gboolean gtk_combo_box_menu_button_press (GtkWidget *widget,
376 GdkEventButton *event,
378 static void gtk_combo_box_menu_item_activate (GtkWidget *item,
380 static void gtk_combo_box_menu_row_inserted (GtkTreeModel *model,
384 static void gtk_combo_box_menu_row_deleted (GtkTreeModel *model,
387 static void gtk_combo_box_menu_rows_reordered (GtkTreeModel *model,
392 static void gtk_combo_box_menu_row_changed (GtkTreeModel *model,
396 static gboolean gtk_combo_box_menu_key_press (GtkWidget *widget,
399 static void gtk_combo_box_menu_popup (GtkComboBox *combo_box,
401 guint32 activate_time);
402 static GtkWidget *gtk_cell_view_menu_item_new (GtkComboBox *combo_box,
407 static void gtk_combo_box_cell_layout_pack_start (GtkCellLayout *layout,
408 GtkCellRenderer *cell,
410 static void gtk_combo_box_cell_layout_pack_end (GtkCellLayout *layout,
411 GtkCellRenderer *cell,
413 static GList *gtk_combo_box_cell_layout_get_cells (GtkCellLayout *layout);
414 static void gtk_combo_box_cell_layout_clear (GtkCellLayout *layout);
415 static void gtk_combo_box_cell_layout_add_attribute (GtkCellLayout *layout,
416 GtkCellRenderer *cell,
417 const gchar *attribute,
419 static void gtk_combo_box_cell_layout_set_cell_data_func (GtkCellLayout *layout,
420 GtkCellRenderer *cell,
421 GtkCellLayoutDataFunc func,
423 GDestroyNotify destroy);
424 static void gtk_combo_box_cell_layout_clear_attributes (GtkCellLayout *layout,
425 GtkCellRenderer *cell);
426 static void gtk_combo_box_cell_layout_reorder (GtkCellLayout *layout,
427 GtkCellRenderer *cell,
429 static gboolean gtk_combo_box_mnemonic_activate (GtkWidget *widget,
430 gboolean group_cycling);
432 static void gtk_combo_box_sync_cells (GtkComboBox *combo_box,
433 GtkCellLayout *cell_layout);
434 static void combo_cell_data_func (GtkCellLayout *cell_layout,
435 GtkCellRenderer *cell,
436 GtkTreeModel *tree_model,
439 static void gtk_combo_box_child_show (GtkWidget *widget,
440 GtkComboBox *combo_box);
441 static void gtk_combo_box_child_hide (GtkWidget *widget,
442 GtkComboBox *combo_box);
444 /* GtkBuildable method implementation */
445 static GtkBuildableIface *parent_buildable_iface;
447 static void gtk_combo_box_buildable_init (GtkBuildableIface *iface);
448 static gboolean gtk_combo_box_buildable_custom_tag_start (GtkBuildable *buildable,
451 const gchar *tagname,
452 GMarkupParser *parser,
454 static void gtk_combo_box_buildable_custom_tag_end (GtkBuildable *buildable,
457 const gchar *tagname,
460 /* GtkCellEditable method implementations */
461 static void gtk_combo_box_start_editing (GtkCellEditable *cell_editable,
465 G_DEFINE_TYPE_WITH_CODE (GtkComboBox, gtk_combo_box, GTK_TYPE_BIN,
466 G_IMPLEMENT_INTERFACE (GTK_TYPE_CELL_LAYOUT,
467 gtk_combo_box_cell_layout_init)
468 G_IMPLEMENT_INTERFACE (GTK_TYPE_CELL_EDITABLE,
469 gtk_combo_box_cell_editable_init)
470 G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
471 gtk_combo_box_buildable_init))
476 gtk_combo_box_class_init (GtkComboBoxClass *klass)
478 GObjectClass *object_class;
479 GtkObjectClass *gtk_object_class;
480 GtkContainerClass *container_class;
481 GtkWidgetClass *widget_class;
482 GtkBindingSet *binding_set;
484 klass->get_active_text = gtk_combo_box_real_get_active_text;
486 container_class = (GtkContainerClass *)klass;
487 container_class->forall = gtk_combo_box_forall;
488 container_class->add = gtk_combo_box_add;
489 container_class->remove = gtk_combo_box_remove;
491 widget_class = (GtkWidgetClass *)klass;
492 widget_class->size_allocate = gtk_combo_box_size_allocate;
493 widget_class->size_request = gtk_combo_box_size_request;
494 widget_class->expose_event = gtk_combo_box_expose_event;
495 widget_class->scroll_event = gtk_combo_box_scroll_event;
496 widget_class->mnemonic_activate = gtk_combo_box_mnemonic_activate;
497 widget_class->grab_focus = gtk_combo_box_grab_focus;
498 widget_class->style_set = gtk_combo_box_style_set;
499 widget_class->state_changed = gtk_combo_box_state_changed;
501 gtk_object_class = (GtkObjectClass *)klass;
502 gtk_object_class->destroy = gtk_combo_box_destroy;
504 object_class = (GObjectClass *)klass;
505 object_class->dispose = gtk_combo_box_dispose;
506 object_class->finalize = gtk_combo_box_finalize;
507 object_class->set_property = gtk_combo_box_set_property;
508 object_class->get_property = gtk_combo_box_get_property;
512 * GtkComboBox::changed:
513 * @widget: the object which received the signal
515 * The changed signal is emitted when the active
516 * item is changed. The can be due to the user selecting
517 * a different item from the list, or due to a
518 * call to gtk_combo_box_set_active_iter().
519 * It will also be emitted while typing into a GtkComboBoxEntry,
520 * as well as when selecting an item from the GtkComboBoxEntry's list.
524 combo_box_signals[CHANGED] =
525 g_signal_new (I_("changed"),
526 G_OBJECT_CLASS_TYPE (klass),
528 G_STRUCT_OFFSET (GtkComboBoxClass, changed),
530 g_cclosure_marshal_VOID__VOID,
533 * GtkComboBox::move-active:
534 * @widget: the object that received the signal
535 * @scroll_type: a #GtkScrollType
537 * The ::move-active signal is a
538 * <link linkend="keybinding-signals">keybinding signal</link>
539 * which gets emitted to move the active selection.
543 combo_box_signals[MOVE_ACTIVE] =
544 _gtk_binding_signal_new (I_("move-active"),
545 G_OBJECT_CLASS_TYPE (klass),
546 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
547 G_CALLBACK (gtk_combo_box_real_move_active),
549 g_cclosure_marshal_VOID__ENUM,
551 GTK_TYPE_SCROLL_TYPE);
554 * GtkComboBox::popup:
555 * @widget: the object that received the signal
557 * The ::popup signal is a
558 * <link linkend="keybinding-signals">keybinding signal</link>
559 * which gets emitted to popup the combo box list.
561 * The default binding for this signal is Alt+Down.
565 combo_box_signals[POPUP] =
566 _gtk_binding_signal_new (I_("popup"),
567 G_OBJECT_CLASS_TYPE (klass),
568 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
569 G_CALLBACK (gtk_combo_box_real_popup),
571 g_cclosure_marshal_VOID__VOID,
574 * GtkComboBox::popdown:
575 * @button: the object which received the signal
577 * The ::popdown signal is a
578 * <link linkend="keybinding-signals">keybinding signal</link>
579 * which gets emitted to popdown the combo box list.
581 * The default bindings for this signal are Alt+Up and Escape.
585 combo_box_signals[POPDOWN] =
586 _gtk_binding_signal_new (I_("popdown"),
587 G_OBJECT_CLASS_TYPE (klass),
588 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
589 G_CALLBACK (gtk_combo_box_real_popdown),
591 gtk_marshal_BOOLEAN__VOID,
595 binding_set = gtk_binding_set_by_class (widget_class);
597 gtk_binding_entry_add_signal (binding_set, GDK_Down, GDK_MOD1_MASK,
599 gtk_binding_entry_add_signal (binding_set, GDK_KP_Down, GDK_MOD1_MASK,
602 gtk_binding_entry_add_signal (binding_set, GDK_Up, GDK_MOD1_MASK,
604 gtk_binding_entry_add_signal (binding_set, GDK_KP_Up, GDK_MOD1_MASK,
606 gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0,
609 gtk_binding_entry_add_signal (binding_set, GDK_Up, 0,
611 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_STEP_UP);
612 gtk_binding_entry_add_signal (binding_set, GDK_KP_Up, 0,
614 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_STEP_UP);
615 gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, 0,
617 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_UP);
618 gtk_binding_entry_add_signal (binding_set, GDK_KP_Page_Up, 0,
620 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_UP);
621 gtk_binding_entry_add_signal (binding_set, GDK_Home, 0,
623 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_START);
624 gtk_binding_entry_add_signal (binding_set, GDK_KP_Home, 0,
626 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_START);
628 gtk_binding_entry_add_signal (binding_set, GDK_Down, 0,
630 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_STEP_DOWN);
631 gtk_binding_entry_add_signal (binding_set, GDK_KP_Down, 0,
633 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_STEP_DOWN);
634 gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, 0,
636 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_DOWN);
637 gtk_binding_entry_add_signal (binding_set, GDK_KP_Page_Down, 0,
639 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_DOWN);
640 gtk_binding_entry_add_signal (binding_set, GDK_End, 0,
642 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_END);
643 gtk_binding_entry_add_signal (binding_set, GDK_KP_End, 0,
645 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_END);
651 * The model from which the combo box takes the values shown
656 g_object_class_install_property (object_class,
658 g_param_spec_object ("model",
659 P_("ComboBox model"),
660 P_("The model for the combo box"),
662 GTK_PARAM_READWRITE));
665 * GtkComboBox:wrap-width:
667 * If wrap-width is set to a positive value, the list will be
668 * displayed in multiple columns, the number of columns is
669 * determined by wrap-width.
673 g_object_class_install_property (object_class,
675 g_param_spec_int ("wrap-width",
677 P_("Wrap width for laying out the items in a grid"),
681 GTK_PARAM_READWRITE));
685 * GtkComboBox:row-span-column:
687 * If this is set to a non-negative value, it must be the index of a column
688 * of type %G_TYPE_INT in the model.
690 * The values of that column are used to determine how many rows a value in
691 * the list will span. Therefore, the values in the model column pointed to
692 * by this property must be greater than zero and not larger than wrap-width.
696 g_object_class_install_property (object_class,
697 PROP_ROW_SPAN_COLUMN,
698 g_param_spec_int ("row-span-column",
699 P_("Row span column"),
700 P_("TreeModel column containing the row span values"),
704 GTK_PARAM_READWRITE));
708 * GtkComboBox:column-span-column:
710 * If this is set to a non-negative value, it must be the index of a column
711 * of type %G_TYPE_INT in the model.
713 * The values of that column are used to determine how many columns a value
714 * in the list will span.
718 g_object_class_install_property (object_class,
719 PROP_COLUMN_SPAN_COLUMN,
720 g_param_spec_int ("column-span-column",
721 P_("Column span column"),
722 P_("TreeModel column containing the column span values"),
726 GTK_PARAM_READWRITE));
730 * GtkComboBox:active:
732 * The item which is currently active. If the model is a non-flat treemodel,
733 * and the active item is not an immediate child of the root of the tree,
734 * this property has the value
735 * <literal>gtk_tree_path_get_indices (path)[0]</literal>,
736 * where <literal>path</literal> is the #GtkTreePath of the active item.
740 g_object_class_install_property (object_class,
742 g_param_spec_int ("active",
744 P_("The item which is currently active"),
748 GTK_PARAM_READWRITE));
751 * GtkComboBox:add-tearoffs:
753 * The add-tearoffs property controls whether generated menus
754 * have tearoff menu items.
756 * Note that this only affects menu style combo boxes.
760 g_object_class_install_property (object_class,
762 g_param_spec_boolean ("add-tearoffs",
763 P_("Add tearoffs to menus"),
764 P_("Whether dropdowns should have a tearoff menu item"),
766 GTK_PARAM_READWRITE));
769 * GtkComboBox:has-frame:
771 * The has-frame property controls whether a frame
772 * is drawn around the entry.
776 g_object_class_install_property (object_class,
778 g_param_spec_boolean ("has-frame",
780 P_("Whether the combo box draws a frame around the child"),
782 GTK_PARAM_READWRITE));
784 g_object_class_install_property (object_class,
786 g_param_spec_boolean ("focus-on-click",
787 P_("Focus on click"),
788 P_("Whether the combo box grabs focus when it is clicked with the mouse"),
790 GTK_PARAM_READWRITE));
793 * GtkComboBox:tearoff-title:
795 * A title that may be displayed by the window manager
796 * when the popup is torn-off.
800 g_object_class_install_property (object_class,
802 g_param_spec_string ("tearoff-title",
804 P_("A title that may be displayed by the window manager when the popup is torn-off"),
806 GTK_PARAM_READWRITE));
810 * GtkComboBox:popup-shown:
812 * Whether the combo boxes dropdown is popped up.
813 * Note that this property is mainly useful, because
814 * it allows you to connect to notify::popup-shown.
818 g_object_class_install_property (object_class,
820 g_param_spec_boolean ("popup-shown",
822 P_("Whether the combo's dropdown is shown"),
824 GTK_PARAM_READABLE));
826 gtk_widget_class_install_style_property (widget_class,
827 g_param_spec_boolean ("appears-as-list",
828 P_("Appears as list"),
829 P_("Whether dropdowns should look like lists rather than menus"),
831 GTK_PARAM_READABLE));
834 * GtkComboBox:arrow-size:
836 * Sets the minimum size of the arrow in the combo box. Note
837 * that the arrow size is coupled to the font size, so in case
838 * a larger font is used, the arrow will be larger than set
843 gtk_widget_class_install_style_property (widget_class,
844 g_param_spec_int ("arrow-size",
846 P_("The minimum size of the arrow in the combo box"),
850 GTK_PARAM_READABLE));
853 * GtkComboBox:shadow-type:
855 * Which kind of shadow to draw around the combo box.
859 gtk_widget_class_install_style_property (widget_class,
860 g_param_spec_enum ("shadow-type",
862 P_("Which kind of shadow to draw around the combo box"),
863 GTK_TYPE_SHADOW_TYPE,
865 GTK_PARAM_READABLE));
867 g_type_class_add_private (object_class, sizeof (GtkComboBoxPrivate));
871 gtk_combo_box_buildable_init (GtkBuildableIface *iface)
873 parent_buildable_iface = g_type_interface_peek_parent (iface);
874 iface->add_child = _gtk_cell_layout_buildable_add_child;
875 iface->custom_tag_start = gtk_combo_box_buildable_custom_tag_start;
876 iface->custom_tag_end = gtk_combo_box_buildable_custom_tag_end;
880 gtk_combo_box_cell_layout_init (GtkCellLayoutIface *iface)
882 iface->pack_start = gtk_combo_box_cell_layout_pack_start;
883 iface->pack_end = gtk_combo_box_cell_layout_pack_end;
884 iface->get_cells = gtk_combo_box_cell_layout_get_cells;
885 iface->clear = gtk_combo_box_cell_layout_clear;
886 iface->add_attribute = gtk_combo_box_cell_layout_add_attribute;
887 iface->set_cell_data_func = gtk_combo_box_cell_layout_set_cell_data_func;
888 iface->clear_attributes = gtk_combo_box_cell_layout_clear_attributes;
889 iface->reorder = gtk_combo_box_cell_layout_reorder;
893 gtk_combo_box_cell_editable_init (GtkCellEditableIface *iface)
895 iface->start_editing = gtk_combo_box_start_editing;
899 gtk_combo_box_init (GtkComboBox *combo_box)
901 GtkComboBoxPrivate *priv = GTK_COMBO_BOX_GET_PRIVATE (combo_box);
903 priv->cell_view = gtk_cell_view_new ();
904 gtk_widget_set_parent (priv->cell_view, GTK_WIDGET (combo_box));
905 GTK_BIN (combo_box)->child = priv->cell_view;
906 gtk_widget_show (priv->cell_view);
910 priv->wrap_width = 0;
912 priv->active_row = NULL;
913 priv->col_column = -1;
914 priv->row_column = -1;
916 priv->popup_shown = FALSE;
917 priv->add_tearoffs = FALSE;
918 priv->has_frame = TRUE;
919 priv->is_cell_renderer = FALSE;
920 priv->editing_canceled = FALSE;
921 priv->auto_scroll = FALSE;
922 priv->focus_on_click = TRUE;
924 combo_box->priv = priv;
926 gtk_combo_box_check_appearance (combo_box);
930 gtk_combo_box_set_property (GObject *object,
935 GtkComboBox *combo_box = GTK_COMBO_BOX (object);
940 gtk_combo_box_set_model (combo_box, g_value_get_object (value));
943 case PROP_WRAP_WIDTH:
944 gtk_combo_box_set_wrap_width (combo_box, g_value_get_int (value));
947 case PROP_ROW_SPAN_COLUMN:
948 gtk_combo_box_set_row_span_column (combo_box, g_value_get_int (value));
951 case PROP_COLUMN_SPAN_COLUMN:
952 gtk_combo_box_set_column_span_column (combo_box, g_value_get_int (value));
956 gtk_combo_box_set_active (combo_box, g_value_get_int (value));
959 case PROP_ADD_TEAROFFS:
960 gtk_combo_box_set_add_tearoffs (combo_box, g_value_get_boolean (value));
964 combo_box->priv->has_frame = g_value_get_boolean (value);
967 case PROP_FOCUS_ON_CLICK:
968 gtk_combo_box_set_focus_on_click (combo_box,
969 g_value_get_boolean (value));
972 case PROP_TEAROFF_TITLE:
973 gtk_combo_box_set_title (combo_box, g_value_get_string (value));
976 case PROP_POPUP_SHOWN:
977 if (g_value_get_boolean (value))
978 gtk_combo_box_popup (combo_box);
980 gtk_combo_box_popdown (combo_box);
984 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
990 gtk_combo_box_get_property (GObject *object,
995 GtkComboBox *combo_box = GTK_COMBO_BOX (object);
1000 g_value_set_object (value, combo_box->priv->model);
1003 case PROP_WRAP_WIDTH:
1004 g_value_set_int (value, combo_box->priv->wrap_width);
1007 case PROP_ROW_SPAN_COLUMN:
1008 g_value_set_int (value, combo_box->priv->row_column);
1011 case PROP_COLUMN_SPAN_COLUMN:
1012 g_value_set_int (value, combo_box->priv->col_column);
1016 g_value_set_int (value, gtk_combo_box_get_active (combo_box));
1019 case PROP_ADD_TEAROFFS:
1020 g_value_set_boolean (value, gtk_combo_box_get_add_tearoffs (combo_box));
1023 case PROP_HAS_FRAME:
1024 g_value_set_boolean (value, combo_box->priv->has_frame);
1027 case PROP_FOCUS_ON_CLICK:
1028 g_value_set_boolean (value, combo_box->priv->focus_on_click);
1031 case PROP_TEAROFF_TITLE:
1032 g_value_set_string (value, gtk_combo_box_get_title (combo_box));
1035 case PROP_POPUP_SHOWN:
1036 g_value_set_boolean (value, combo_box->priv->popup_shown);
1040 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1046 gtk_combo_box_state_changed (GtkWidget *widget,
1047 GtkStateType previous)
1049 GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
1050 GtkComboBoxPrivate *priv = combo_box->priv;
1052 if (GTK_WIDGET_REALIZED (widget))
1054 if (priv->tree_view && priv->cell_view)
1055 gtk_cell_view_set_background_color (GTK_CELL_VIEW (priv->cell_view),
1056 &widget->style->base[GTK_WIDGET_STATE (widget)]);
1059 gtk_widget_queue_draw (widget);
1063 gtk_combo_box_button_state_changed (GtkWidget *widget,
1064 GtkStateType previous,
1067 GtkComboBox *combo_box = GTK_COMBO_BOX (data);
1068 GtkComboBoxPrivate *priv = combo_box->priv;
1070 if (GTK_WIDGET_REALIZED (widget))
1072 if (!priv->tree_view && priv->cell_view)
1074 if ((GTK_WIDGET_STATE (widget) == GTK_STATE_INSENSITIVE) !=
1075 (GTK_WIDGET_STATE (priv->cell_view) == GTK_STATE_INSENSITIVE))
1076 gtk_widget_set_sensitive (priv->cell_view, GTK_WIDGET_SENSITIVE (widget));
1078 gtk_widget_set_state (priv->cell_view,
1079 GTK_WIDGET_STATE (widget));
1083 gtk_widget_queue_draw (widget);
1087 gtk_combo_box_check_appearance (GtkComboBox *combo_box)
1089 GtkComboBoxPrivate *priv = combo_box->priv;
1090 gboolean appears_as_list;
1092 /* if wrap_width > 0, then we are in grid-mode and forced to use
1095 if (priv->wrap_width)
1096 appears_as_list = FALSE;
1098 gtk_widget_style_get (GTK_WIDGET (combo_box),
1099 "appears-as-list", &appears_as_list,
1102 if (appears_as_list)
1104 /* Destroy all the menu mode widgets, if they exist. */
1105 if (GTK_IS_MENU (priv->popup_widget))
1106 gtk_combo_box_menu_destroy (combo_box);
1108 /* Create the list mode widgets, if they don't already exist. */
1109 if (!GTK_IS_TREE_VIEW (priv->tree_view))
1110 gtk_combo_box_list_setup (combo_box);
1114 /* Destroy all the list mode widgets, if they exist. */
1115 if (GTK_IS_TREE_VIEW (priv->tree_view))
1116 gtk_combo_box_list_destroy (combo_box);
1118 /* Create the menu mode widgets, if they don't already exist. */
1119 if (!GTK_IS_MENU (priv->popup_widget))
1120 gtk_combo_box_menu_setup (combo_box, TRUE);
1123 gtk_widget_style_get (GTK_WIDGET (combo_box),
1124 "shadow-type", &priv->shadow_type,
1129 gtk_combo_box_style_set (GtkWidget *widget,
1132 GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
1133 GtkComboBoxPrivate *priv = combo_box->priv;
1135 gtk_combo_box_check_appearance (combo_box);
1137 if (priv->tree_view && priv->cell_view)
1138 gtk_cell_view_set_background_color (GTK_CELL_VIEW (priv->cell_view),
1139 &widget->style->base[GTK_WIDGET_STATE (widget)]);
1141 if (GTK_IS_ENTRY (GTK_BIN (combo_box)->child))
1142 g_object_set (GTK_BIN (combo_box)->child, "shadow-type",
1143 GTK_SHADOW_NONE == priv->shadow_type ?
1144 GTK_SHADOW_IN : GTK_SHADOW_NONE, NULL);
1148 gtk_combo_box_button_toggled (GtkWidget *widget,
1151 GtkComboBox *combo_box = GTK_COMBO_BOX (data);
1153 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
1155 if (!combo_box->priv->popup_in_progress)
1156 gtk_combo_box_popup (combo_box);
1159 gtk_combo_box_popdown (combo_box);
1163 gtk_combo_box_add (GtkContainer *container,
1166 GtkComboBox *combo_box = GTK_COMBO_BOX (container);
1167 GtkComboBoxPrivate *priv = combo_box->priv;
1169 if (priv->cell_view && priv->cell_view->parent)
1171 gtk_widget_unparent (priv->cell_view);
1172 GTK_BIN (container)->child = NULL;
1173 gtk_widget_queue_resize (GTK_WIDGET (container));
1176 gtk_widget_set_parent (widget, GTK_WIDGET (container));
1177 GTK_BIN (container)->child = widget;
1179 if (priv->cell_view &&
1180 widget != priv->cell_view)
1182 /* since the cell_view was unparented, it's gone now */
1183 priv->cell_view = NULL;
1185 if (!priv->tree_view && priv->separator)
1187 gtk_container_remove (GTK_CONTAINER (priv->separator->parent),
1189 priv->separator = NULL;
1191 gtk_widget_queue_resize (GTK_WIDGET (container));
1193 else if (priv->cell_view_frame)
1195 gtk_widget_unparent (priv->cell_view_frame);
1196 priv->cell_view_frame = NULL;
1203 gtk_combo_box_remove (GtkContainer *container,
1206 GtkComboBox *combo_box = GTK_COMBO_BOX (container);
1207 GtkComboBoxPrivate *priv = combo_box->priv;
1209 gboolean appears_as_list;
1211 if (widget == priv->cell_view)
1212 priv->cell_view = NULL;
1214 gtk_widget_unparent (widget);
1215 GTK_BIN (container)->child = NULL;
1217 if (GTK_OBJECT_FLAGS (combo_box) & GTK_IN_DESTRUCTION)
1220 gtk_widget_queue_resize (GTK_WIDGET (container));
1222 if (!priv->tree_view)
1223 appears_as_list = FALSE;
1225 appears_as_list = TRUE;
1227 if (appears_as_list)
1228 gtk_combo_box_list_destroy (combo_box);
1229 else if (GTK_IS_MENU (priv->popup_widget))
1231 gtk_combo_box_menu_destroy (combo_box);
1232 gtk_menu_detach (GTK_MENU (priv->popup_widget));
1233 priv->popup_widget = NULL;
1236 if (!priv->cell_view)
1238 priv->cell_view = gtk_cell_view_new ();
1239 gtk_widget_set_parent (priv->cell_view, GTK_WIDGET (container));
1240 GTK_BIN (container)->child = priv->cell_view;
1242 gtk_widget_show (priv->cell_view);
1243 gtk_cell_view_set_model (GTK_CELL_VIEW (priv->cell_view),
1245 gtk_combo_box_sync_cells (combo_box, GTK_CELL_LAYOUT (priv->cell_view));
1249 if (appears_as_list)
1250 gtk_combo_box_list_setup (combo_box);
1252 gtk_combo_box_menu_setup (combo_box, TRUE);
1254 if (gtk_tree_row_reference_valid (priv->active_row))
1256 path = gtk_tree_row_reference_get_path (priv->active_row);
1257 gtk_combo_box_set_active_internal (combo_box, path);
1258 gtk_tree_path_free (path);
1261 gtk_combo_box_set_active_internal (combo_box, NULL);
1264 static ComboCellInfo *
1265 gtk_combo_box_get_cell_info (GtkComboBox *combo_box,
1266 GtkCellRenderer *cell)
1270 for (i = combo_box->priv->cells; i; i = i->next)
1272 ComboCellInfo *info = (ComboCellInfo *)i->data;
1274 if (info && info->cell == cell)
1282 gtk_combo_box_menu_show (GtkWidget *menu,
1285 GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
1286 GtkComboBoxPrivate *priv = combo_box->priv;
1288 gtk_combo_box_child_show (menu, user_data);
1290 priv->popup_in_progress = TRUE;
1291 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->button),
1293 priv->popup_in_progress = FALSE;
1297 gtk_combo_box_menu_hide (GtkWidget *menu,
1300 GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
1302 gtk_combo_box_child_hide (menu,user_data);
1304 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button),
1309 gtk_combo_box_detacher (GtkWidget *widget,
1312 GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
1313 GtkComboBoxPrivate *priv = combo_box->priv;
1315 g_return_if_fail (priv->popup_widget == (GtkWidget *) menu);
1317 g_signal_handlers_disconnect_by_func (menu->toplevel,
1318 gtk_combo_box_menu_show,
1320 g_signal_handlers_disconnect_by_func (menu->toplevel,
1321 gtk_combo_box_menu_hide,
1324 priv->popup_widget = NULL;
1328 gtk_combo_box_set_popup_widget (GtkComboBox *combo_box,
1331 GtkComboBoxPrivate *priv = combo_box->priv;
1333 if (GTK_IS_MENU (priv->popup_widget))
1335 gtk_menu_detach (GTK_MENU (priv->popup_widget));
1336 priv->popup_widget = NULL;
1338 else if (priv->popup_widget)
1340 gtk_container_remove (GTK_CONTAINER (priv->scrolled_window),
1341 priv->popup_widget);
1342 g_object_unref (priv->popup_widget);
1343 priv->popup_widget = NULL;
1346 if (GTK_IS_MENU (popup))
1348 if (priv->popup_window)
1350 gtk_widget_destroy (priv->popup_window);
1351 priv->popup_window = NULL;
1354 priv->popup_widget = popup;
1357 * Note that we connect to show/hide on the toplevel, not the
1358 * menu itself, since the menu is not shown/hidden when it is
1359 * popped up while torn-off.
1361 g_signal_connect (GTK_MENU (popup)->toplevel, "show",
1362 G_CALLBACK (gtk_combo_box_menu_show), combo_box);
1363 g_signal_connect (GTK_MENU (popup)->toplevel, "hide",
1364 G_CALLBACK (gtk_combo_box_menu_hide), combo_box);
1366 gtk_menu_attach_to_widget (GTK_MENU (popup),
1367 GTK_WIDGET (combo_box),
1368 gtk_combo_box_detacher);
1372 if (!priv->popup_window)
1374 GtkWidget *toplevel;
1376 priv->popup_window = gtk_window_new (GTK_WINDOW_POPUP);
1377 gtk_widget_set_name (priv->popup_window, "gtk-combobox-popup-window");
1379 gtk_window_set_type_hint (GTK_WINDOW (priv->popup_window),
1380 GDK_WINDOW_TYPE_HINT_COMBO);
1382 g_signal_connect (GTK_WINDOW (priv->popup_window),"show",
1383 G_CALLBACK (gtk_combo_box_child_show),
1385 g_signal_connect (GTK_WINDOW (priv->popup_window),"hide",
1386 G_CALLBACK (gtk_combo_box_child_hide),
1389 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (combo_box));
1390 if (GTK_IS_WINDOW (toplevel))
1392 gtk_window_group_add_window (gtk_window_get_group (GTK_WINDOW (toplevel)),
1393 GTK_WINDOW (priv->popup_window));
1394 gtk_window_set_transient_for (GTK_WINDOW (priv->popup_window),
1395 GTK_WINDOW (toplevel));
1398 gtk_window_set_resizable (GTK_WINDOW (priv->popup_window), FALSE);
1399 gtk_window_set_screen (GTK_WINDOW (priv->popup_window),
1400 gtk_widget_get_screen (GTK_WIDGET (combo_box)));
1402 priv->scrolled_window = gtk_scrolled_window_new (NULL, NULL);
1404 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->scrolled_window),
1407 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->scrolled_window),
1410 gtk_widget_show (priv->scrolled_window);
1412 gtk_container_add (GTK_CONTAINER (priv->popup_window),
1413 priv->scrolled_window);
1416 gtk_container_add (GTK_CONTAINER (priv->scrolled_window),
1419 gtk_widget_show (popup);
1420 g_object_ref (popup);
1421 priv->popup_widget = popup;
1426 gtk_combo_box_menu_position_below (GtkMenu *menu,
1432 GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
1438 GdkRectangle monitor;
1440 /* FIXME: is using the size request here broken? */
1441 child = GTK_BIN (combo_box)->child;
1443 gdk_window_get_origin (child->window, &sx, &sy);
1445 if (GTK_WIDGET_NO_WINDOW (child))
1447 sx += child->allocation.x;
1448 sy += child->allocation.y;
1451 if (GTK_SHADOW_NONE != combo_box->priv->shadow_type)
1452 sx -= GTK_WIDGET (combo_box)->style->xthickness;
1454 gtk_widget_size_request (GTK_WIDGET (menu), &req);
1456 if (gtk_widget_get_direction (GTK_WIDGET (combo_box)) == GTK_TEXT_DIR_LTR)
1459 *x = sx + child->allocation.width - req.width;
1462 screen = gtk_widget_get_screen (GTK_WIDGET (combo_box));
1463 monitor_num = gdk_screen_get_monitor_at_window (screen,
1464 GTK_WIDGET (combo_box)->window);
1465 gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
1469 else if (*x + req.width > monitor.x + monitor.width)
1470 *x = monitor.x + monitor.width - req.width;
1472 if (monitor.y + monitor.height - *y - child->allocation.height >= req.height)
1473 *y += child->allocation.height;
1474 else if (*y - monitor.y >= req.height)
1476 else if (monitor.y + monitor.height - *y - child->allocation.height > *y - monitor.y)
1477 *y += child->allocation.height;
1485 gtk_combo_box_menu_position_over (GtkMenu *menu,
1491 GtkComboBox *combo_box;
1495 GtkRequisition requisition;
1502 combo_box = GTK_COMBO_BOX (user_data);
1503 widget = GTK_WIDGET (combo_box);
1505 gtk_widget_get_child_requisition (GTK_WIDGET (menu), &requisition);
1506 menu_width = requisition.width;
1508 active = gtk_menu_get_active (GTK_MENU (combo_box->priv->popup_widget));
1509 gdk_window_get_origin (widget->window, &menu_xpos, &menu_ypos);
1511 menu_xpos += widget->allocation.x;
1512 menu_ypos += widget->allocation.y + widget->allocation.height / 2 - 2;
1516 gtk_widget_get_child_requisition (active, &requisition);
1517 menu_ypos -= requisition.height / 2;
1520 children = GTK_MENU_SHELL (combo_box->priv->popup_widget)->children;
1523 child = children->data;
1525 if (active == child)
1528 if (GTK_WIDGET_VISIBLE (child))
1530 gtk_widget_get_child_requisition (child, &requisition);
1531 menu_ypos -= requisition.height;
1534 children = children->next;
1537 if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
1538 menu_xpos = menu_xpos + widget->allocation.width - menu_width;
1540 /* Clamp the position on screen */
1541 screen_width = gdk_screen_get_width (gtk_widget_get_screen (widget));
1545 else if ((menu_xpos + menu_width) > screen_width)
1546 menu_xpos -= ((menu_xpos + menu_width) - screen_width);
1555 gtk_combo_box_menu_position (GtkMenu *menu,
1561 GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
1562 GtkComboBoxPrivate *priv = combo_box->priv;
1563 GtkWidget *menu_item;
1566 if (priv->wrap_width > 0 || priv->cell_view == NULL)
1567 gtk_combo_box_menu_position_below (menu, x, y, push_in, user_data);
1570 /* FIXME handle nested menus better */
1571 menu_item = gtk_menu_get_active (GTK_MENU (priv->popup_widget));
1573 gtk_menu_shell_select_item (GTK_MENU_SHELL (priv->popup_widget),
1576 gtk_combo_box_menu_position_over (menu, x, y, push_in, user_data);
1581 gtk_combo_box_list_position (GtkComboBox *combo_box,
1587 GtkComboBoxPrivate *priv = combo_box->priv;
1590 GdkRectangle monitor;
1591 GtkRequisition popup_req;
1592 GtkPolicyType hpolicy, vpolicy;
1594 /* under windows, the drop down list is as wide as the combo box itself.
1596 GtkWidget *sample = GTK_WIDGET (combo_box);
1598 gdk_window_get_origin (sample->window, x, y);
1600 if (GTK_WIDGET_NO_WINDOW (sample))
1602 *x += sample->allocation.x;
1603 *y += sample->allocation.y;
1606 *width = sample->allocation.width;
1608 hpolicy = vpolicy = GTK_POLICY_NEVER;
1609 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->scrolled_window),
1611 gtk_widget_size_request (priv->scrolled_window, &popup_req);
1613 if (popup_req.width > *width)
1615 hpolicy = GTK_POLICY_ALWAYS;
1616 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->scrolled_window),
1618 gtk_widget_size_request (priv->scrolled_window, &popup_req);
1621 *height = popup_req.height;
1623 screen = gtk_widget_get_screen (GTK_WIDGET (combo_box));
1624 monitor_num = gdk_screen_get_monitor_at_window (screen,
1625 GTK_WIDGET (combo_box)->window);
1626 gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
1630 else if (*x + *width > monitor.x + monitor.width)
1631 *x = monitor.x + monitor.width - *width;
1633 if (*y + sample->allocation.height + *height <= monitor.y + monitor.height)
1634 *y += sample->allocation.height;
1635 else if (*y - *height >= monitor.y)
1637 else if (monitor.y + monitor.height - (*y + sample->allocation.height) > *y - monitor.y)
1639 *y += sample->allocation.height;
1640 *height = monitor.y + monitor.height - *y;
1644 *height = *y - monitor.y;
1648 if (popup_req.height > *height)
1650 vpolicy = GTK_POLICY_ALWAYS;
1652 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->scrolled_window),
1658 cell_view_is_sensitive (GtkCellView *cell_view)
1660 GList *cells, *list;
1663 cells = gtk_cell_view_get_cell_renderers (cell_view);
1666 for (list = cells; list; list = list->next)
1668 g_object_get (list->data, "sensitive", &sensitive, NULL);
1673 g_list_free (cells);
1679 tree_column_row_is_sensitive (GtkComboBox *combo_box,
1682 GtkComboBoxPrivate *priv = combo_box->priv;
1683 GList *cells, *list;
1689 if (priv->row_separator_func)
1691 if ((*priv->row_separator_func) (priv->model, iter,
1692 priv->row_separator_data))
1696 gtk_tree_view_column_cell_set_cell_data (priv->column,
1698 iter, FALSE, FALSE);
1700 cells = gtk_tree_view_column_get_cell_renderers (priv->column);
1703 for (list = cells; list; list = list->next)
1705 g_object_get (list->data, "sensitive", &sensitive, NULL);
1710 g_list_free (cells);
1716 update_menu_sensitivity (GtkComboBox *combo_box,
1719 GtkComboBoxPrivate *priv = combo_box->priv;
1720 GList *children, *child;
1721 GtkWidget *item, *submenu, *separator;
1722 GtkWidget *cell_view;
1728 children = gtk_container_get_children (GTK_CONTAINER (menu));
1730 for (child = children; child; child = child->next)
1732 item = GTK_WIDGET (child->data);
1733 cell_view = GTK_BIN (item)->child;
1735 if (!GTK_IS_CELL_VIEW (cell_view))
1738 submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (item));
1739 if (submenu != NULL)
1741 gtk_widget_set_sensitive (item, TRUE);
1742 update_menu_sensitivity (combo_box, submenu);
1746 sensitive = cell_view_is_sensitive (GTK_CELL_VIEW (cell_view));
1748 if (menu != priv->popup_widget && child == children)
1750 separator = GTK_WIDGET (child->next->data);
1751 g_object_set (item, "visible", sensitive, NULL);
1752 g_object_set (separator, "visible", sensitive, NULL);
1755 gtk_widget_set_sensitive (item, sensitive);
1759 g_list_free (children);
1763 gtk_combo_box_menu_popup (GtkComboBox *combo_box,
1765 guint32 activate_time)
1767 GtkComboBoxPrivate *priv = combo_box->priv;
1770 GtkRequisition requisition;
1773 update_menu_sensitivity (combo_box, priv->popup_widget);
1776 if (gtk_tree_row_reference_valid (priv->active_row))
1778 path = gtk_tree_row_reference_get_path (priv->active_row);
1779 active_item = gtk_tree_path_get_indices (path)[0];
1780 gtk_tree_path_free (path);
1782 if (priv->add_tearoffs)
1786 /* FIXME handle nested menus better */
1787 gtk_menu_set_active (GTK_MENU (priv->popup_widget), active_item);
1789 if (priv->wrap_width == 0)
1791 width = GTK_WIDGET (combo_box)->allocation.width;
1792 gtk_widget_set_size_request (priv->popup_widget, -1, -1);
1793 gtk_widget_size_request (priv->popup_widget, &requisition);
1795 gtk_widget_set_size_request (priv->popup_widget,
1796 MAX (width, requisition.width), -1);
1799 gtk_menu_popup (GTK_MENU (priv->popup_widget),
1801 gtk_combo_box_menu_position, combo_box,
1802 button, activate_time);
1806 popup_grab_on_window (GdkWindow *window,
1807 guint32 activate_time,
1808 gboolean grab_keyboard)
1810 if ((gdk_pointer_grab (window, TRUE,
1811 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
1812 GDK_POINTER_MOTION_MASK,
1813 NULL, NULL, activate_time) == 0))
1815 if (!grab_keyboard ||
1816 gdk_keyboard_grab (window, TRUE,
1817 activate_time) == 0)
1821 gdk_display_pointer_ungrab (gdk_drawable_get_display (window),
1831 * gtk_combo_box_popup:
1832 * @combo_box: a #GtkComboBox
1834 * Pops up the menu or dropdown list of @combo_box.
1836 * This function is mostly intended for use by accessibility technologies;
1837 * applications should have little use for it.
1842 gtk_combo_box_popup (GtkComboBox *combo_box)
1844 g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
1846 g_signal_emit (combo_box, combo_box_signals[POPUP], 0);
1850 gtk_combo_box_real_popup (GtkComboBox *combo_box)
1852 GtkComboBoxPrivate *priv = combo_box->priv;
1853 gint x, y, width, height;
1854 GtkTreePath *path = NULL, *ppath;
1855 GtkWidget *toplevel;
1857 if (!GTK_WIDGET_REALIZED (combo_box))
1860 if (GTK_WIDGET_MAPPED (priv->popup_widget))
1863 if (GTK_IS_MENU (priv->popup_widget))
1865 gtk_combo_box_menu_popup (combo_box,
1866 priv->activate_button,
1867 priv->activate_time);
1871 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (combo_box));
1872 if (GTK_IS_WINDOW (toplevel))
1873 gtk_window_group_add_window (gtk_window_get_group (GTK_WINDOW (toplevel)),
1874 GTK_WINDOW (priv->popup_window));
1876 gtk_widget_show_all (priv->scrolled_window);
1877 gtk_combo_box_list_position (combo_box, &x, &y, &width, &height);
1879 gtk_widget_set_size_request (priv->popup_window, width, height);
1880 gtk_window_move (GTK_WINDOW (priv->popup_window), x, y);
1882 if (gtk_tree_row_reference_valid (priv->active_row))
1884 path = gtk_tree_row_reference_get_path (priv->active_row);
1885 ppath = gtk_tree_path_copy (path);
1886 if (gtk_tree_path_up (ppath))
1887 gtk_tree_view_expand_to_path (GTK_TREE_VIEW (priv->tree_view),
1889 gtk_tree_path_free (ppath);
1891 gtk_tree_view_set_hover_expand (GTK_TREE_VIEW (priv->tree_view),
1895 gtk_widget_show (priv->popup_window);
1899 gtk_tree_view_set_cursor (GTK_TREE_VIEW (priv->tree_view),
1901 gtk_tree_path_free (path);
1904 gtk_widget_grab_focus (priv->popup_window);
1905 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->button),
1908 if (!GTK_WIDGET_HAS_FOCUS (priv->tree_view))
1909 gtk_widget_grab_focus (priv->tree_view);
1911 if (!popup_grab_on_window (priv->popup_window->window,
1912 GDK_CURRENT_TIME, TRUE))
1914 gtk_widget_hide (priv->popup_window);
1918 gtk_grab_add (priv->popup_window);
1922 gtk_combo_box_real_popdown (GtkComboBox *combo_box)
1924 if (combo_box->priv->popup_shown)
1926 gtk_combo_box_popdown (combo_box);
1934 * gtk_combo_box_popdown:
1935 * @combo_box: a #GtkComboBox
1937 * Hides the menu or dropdown list of @combo_box.
1939 * This function is mostly intended for use by accessibility technologies;
1940 * applications should have little use for it.
1945 gtk_combo_box_popdown (GtkComboBox *combo_box)
1947 GtkComboBoxPrivate *priv = combo_box->priv;
1949 g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
1951 if (GTK_IS_MENU (priv->popup_widget))
1953 gtk_menu_popdown (GTK_MENU (priv->popup_widget));
1957 if (!GTK_WIDGET_REALIZED (GTK_WIDGET (combo_box)))
1960 gtk_grab_remove (priv->popup_window);
1961 gtk_widget_hide_all (priv->popup_window);
1962 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->button),
1967 gtk_combo_box_calc_requested_width (GtkComboBox *combo_box,
1970 GtkComboBoxPrivate *priv = combo_box->priv;
1974 if (priv->cell_view)
1975 gtk_widget_style_get (priv->cell_view,
1976 "focus-line-width", &padding,
1981 /* add some pixels for good measure */
1982 padding += BONUS_PADDING;
1984 if (priv->cell_view)
1985 gtk_cell_view_get_size_of_row (GTK_CELL_VIEW (priv->cell_view),
1990 return req.width + padding;
1994 gtk_combo_box_remeasure (GtkComboBox *combo_box)
1996 GtkComboBoxPrivate *priv = combo_box->priv;
2001 !gtk_tree_model_get_iter_first (priv->model, &iter))
2007 path = gtk_tree_path_new_from_indices (0, -1);
2013 if (priv->cell_view)
2014 gtk_cell_view_get_size_of_row (GTK_CELL_VIEW (priv->cell_view),
2022 priv->width = MAX (priv->width, req.width);
2023 priv->height = MAX (priv->height, req.height);
2025 gtk_tree_path_next (path);
2027 while (gtk_tree_model_iter_next (priv->model, &iter));
2029 gtk_tree_path_free (path);
2033 gtk_combo_box_size_request (GtkWidget *widget,
2034 GtkRequisition *requisition)
2037 gint focus_width, focus_pad;
2040 GtkRequisition bin_req;
2041 PangoContext *context;
2042 PangoFontMetrics *metrics;
2043 PangoFontDescription *font_desc;
2045 GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
2046 GtkComboBoxPrivate *priv = combo_box->priv;
2049 gtk_widget_size_request (GTK_BIN (widget)->child, &bin_req);
2050 gtk_combo_box_remeasure (combo_box);
2051 bin_req.width = MAX (bin_req.width, priv->width);
2052 bin_req.height = MAX (bin_req.height, priv->height);
2054 gtk_widget_style_get (GTK_WIDGET (widget),
2055 "focus-line-width", &focus_width,
2056 "focus-padding", &focus_pad,
2057 "arrow-size", &arrow_size,
2060 font_desc = GTK_BIN (widget)->child->style->font_desc;
2061 context = gtk_widget_get_pango_context (widget);
2062 metrics = pango_context_get_metrics (context, font_desc,
2063 pango_context_get_language (context));
2064 font_size = PANGO_PIXELS (pango_font_metrics_get_ascent (metrics) +
2065 pango_font_metrics_get_descent (metrics));
2066 pango_font_metrics_unref (metrics);
2068 arrow_size = MAX (arrow_size, font_size);
2070 gtk_widget_set_size_request (priv->arrow, arrow_size, arrow_size);
2072 if (!priv->tree_view)
2076 if (priv->cell_view)
2078 GtkRequisition button_req, sep_req, arrow_req;
2079 gint border_width, xthickness, ythickness;
2081 gtk_widget_size_request (priv->button, &button_req);
2082 border_width = GTK_CONTAINER (combo_box)->border_width;
2083 xthickness = priv->button->style->xthickness;
2084 ythickness = priv->button->style->ythickness;
2086 bin_req.width = MAX (bin_req.width, priv->width);
2087 bin_req.height = MAX (bin_req.height, priv->height);
2089 gtk_widget_size_request (priv->separator, &sep_req);
2090 gtk_widget_size_request (priv->arrow, &arrow_req);
2092 height = MAX (sep_req.height, arrow_req.height);
2093 height = MAX (height, bin_req.height);
2095 width = bin_req.width + sep_req.width + arrow_req.width;
2097 height += 2*(border_width + ythickness + focus_width + focus_pad);
2098 width += 2*(border_width + xthickness + focus_width + focus_pad);
2100 requisition->width = width;
2101 requisition->height = height;
2105 GtkRequisition but_req;
2107 gtk_widget_size_request (priv->button, &but_req);
2109 requisition->width = bin_req.width + but_req.width;
2110 requisition->height = MAX (bin_req.height, but_req.height);
2116 GtkRequisition button_req, frame_req;
2118 /* sample + frame */
2119 *requisition = bin_req;
2121 requisition->width += 2 * focus_width;
2123 if (priv->cell_view_frame)
2125 gtk_widget_size_request (priv->cell_view_frame, &frame_req);
2126 if (priv->has_frame)
2128 requisition->width += 2 *
2129 (GTK_CONTAINER (priv->cell_view_frame)->border_width +
2130 GTK_WIDGET (priv->cell_view_frame)->style->xthickness);
2131 requisition->height += 2 *
2132 (GTK_CONTAINER (priv->cell_view_frame)->border_width +
2133 GTK_WIDGET (priv->cell_view_frame)->style->ythickness);
2138 gtk_widget_size_request (priv->button, &button_req);
2140 requisition->height = MAX (requisition->height, button_req.height);
2141 requisition->width += button_req.width;
2144 if (GTK_SHADOW_NONE != priv->shadow_type)
2146 requisition->height += 2 * widget->style->ythickness;
2147 requisition->width += 2 * widget->style->xthickness;
2151 #define GTK_COMBO_BOX_SIZE_ALLOCATE_BUTTON \
2152 gtk_widget_size_request (combo_box->priv->button, &req); \
2155 child.x = allocation->x + shadow_width; \
2157 child.x = allocation->x + allocation->width - req.width - shadow_width; \
2159 child.y = allocation->y + shadow_height; \
2160 child.width = req.width; \
2161 child.height = allocation->height - 2 * shadow_height; \
2162 child.width = MAX (1, child.width); \
2163 child.height = MAX (1, child.height); \
2165 gtk_widget_size_allocate (combo_box->priv->button, &child);
2168 gtk_combo_box_size_allocate (GtkWidget *widget,
2169 GtkAllocation *allocation)
2171 GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
2172 GtkComboBoxPrivate *priv = combo_box->priv;
2173 gint shadow_width, shadow_height;
2174 gint focus_width, focus_pad;
2175 GtkAllocation child;
2177 gboolean is_rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL;
2179 widget->allocation = *allocation;
2181 gtk_widget_style_get (GTK_WIDGET (widget),
2182 "focus-line-width", &focus_width,
2183 "focus-padding", &focus_pad,
2186 if (GTK_SHADOW_NONE != priv->shadow_type)
2188 shadow_width = widget->style->xthickness;
2189 shadow_height = widget->style->ythickness;
2197 if (!priv->tree_view)
2199 if (priv->cell_view)
2201 gint border_width, xthickness, ythickness;
2205 allocation->x += shadow_width;
2206 allocation->y += shadow_height;
2207 allocation->width -= 2 * shadow_width;
2208 allocation->height -= 2 * shadow_height;
2210 gtk_widget_size_allocate (priv->button, allocation);
2212 /* set some things ready */
2213 border_width = GTK_CONTAINER (priv->button)->border_width;
2214 xthickness = priv->button->style->xthickness;
2215 ythickness = priv->button->style->ythickness;
2217 child.x = allocation->x;
2218 child.y = allocation->y;
2219 width = allocation->width;
2220 child.height = allocation->height;
2222 if (!priv->is_cell_renderer)
2224 child.x += border_width + xthickness + focus_width + focus_pad;
2225 child.y += border_width + ythickness + focus_width + focus_pad;
2226 width -= 2 * (child.x - allocation->x);
2227 child.height -= 2 * (child.y - allocation->y);
2231 /* handle the children */
2232 gtk_widget_size_request (priv->arrow, &req);
2233 child.width = req.width;
2235 child.x += width - req.width;
2236 child.width = MAX (1, child.width);
2237 child.height = MAX (1, child.height);
2238 gtk_widget_size_allocate (priv->arrow, &child);
2240 child.x += req.width;
2241 gtk_widget_size_request (priv->separator, &req);
2242 child.width = req.width;
2244 child.x -= req.width;
2245 child.width = MAX (1, child.width);
2246 child.height = MAX (1, child.height);
2247 gtk_widget_size_allocate (priv->separator, &child);
2251 child.x += req.width;
2252 child.width = allocation->x + allocation->width
2253 - (border_width + xthickness + focus_width + focus_pad)
2258 child.width = child.x;
2259 child.x = allocation->x
2260 + border_width + xthickness + focus_width + focus_pad;
2261 child.width -= child.x;
2264 child.width = MAX (1, child.width);
2265 child.height = MAX (1, child.height);
2266 gtk_widget_size_allocate (GTK_BIN (widget)->child, &child);
2270 GTK_COMBO_BOX_SIZE_ALLOCATE_BUTTON
2273 child.x = allocation->x + req.width + shadow_width;
2275 child.x = allocation->x + shadow_width;
2276 child.y = allocation->y + shadow_height;
2277 child.width = allocation->width - req.width - 2 * shadow_width;
2278 child.width = MAX (1, child.width);
2279 child.height = MAX (1, child.height);
2280 gtk_widget_size_allocate (GTK_BIN (widget)->child, &child);
2288 GTK_COMBO_BOX_SIZE_ALLOCATE_BUTTON
2292 child.x = allocation->x + req.width;
2294 child.x = allocation->x;
2295 child.y = allocation->y;
2296 child.width = allocation->width - req.width;
2297 child.height = allocation->height;
2299 if (priv->cell_view_frame)
2301 child.width = MAX (1, child.width);
2302 child.height = MAX (1, child.height);
2303 gtk_widget_size_allocate (priv->cell_view_frame, &child);
2306 if (priv->has_frame)
2309 GTK_CONTAINER (priv->cell_view_frame)->border_width +
2310 GTK_WIDGET (priv->cell_view_frame)->style->xthickness;
2312 GTK_CONTAINER (priv->cell_view_frame)->border_width +
2313 GTK_WIDGET (priv->cell_view_frame)->style->ythickness;
2314 child.width -= 2 * (
2315 GTK_CONTAINER (priv->cell_view_frame)->border_width +
2316 GTK_WIDGET (priv->cell_view_frame)->style->xthickness);
2317 child.height -= 2 * (
2318 GTK_CONTAINER (priv->cell_view_frame)->border_width +
2319 GTK_WIDGET (priv->cell_view_frame)->style->ythickness);
2323 child.width = MAX (1, child.width);
2324 child.height = MAX (1, child.height);
2325 gtk_widget_size_allocate (GTK_BIN (combo_box)->child, &child);
2329 #undef GTK_COMBO_BOX_ALLOCATE_BUTTON
2332 gtk_combo_box_unset_model (GtkComboBox *combo_box)
2334 GtkComboBoxPrivate *priv = combo_box->priv;
2338 g_signal_handler_disconnect (priv->model,
2340 g_signal_handler_disconnect (priv->model,
2342 g_signal_handler_disconnect (priv->model,
2343 priv->reordered_id);
2344 g_signal_handler_disconnect (priv->model,
2349 if (!priv->tree_view)
2351 if (priv->popup_widget)
2352 gtk_container_foreach (GTK_CONTAINER (priv->popup_widget),
2353 (GtkCallback)gtk_widget_destroy, NULL);
2358 g_object_unref (priv->model);
2362 if (priv->active_row)
2364 gtk_tree_row_reference_free (priv->active_row);
2365 priv->active_row = NULL;
2368 if (priv->cell_view)
2369 gtk_cell_view_set_model (GTK_CELL_VIEW (priv->cell_view), NULL);
2373 gtk_combo_box_forall (GtkContainer *container,
2374 gboolean include_internals,
2375 GtkCallback callback,
2376 gpointer callback_data)
2378 GtkComboBox *combo_box = GTK_COMBO_BOX (container);
2379 GtkComboBoxPrivate *priv = combo_box->priv;
2381 if (include_internals)
2384 (* callback) (priv->button, callback_data);
2385 if (priv->cell_view_frame)
2386 (* callback) (priv->cell_view_frame, callback_data);
2389 if (GTK_BIN (container)->child)
2390 (* callback) (GTK_BIN (container)->child, callback_data);
2394 gtk_combo_box_child_show (GtkWidget *widget,
2395 GtkComboBox *combo_box)
2397 GtkComboBoxPrivate *priv = combo_box->priv;
2399 priv->popup_shown = TRUE;
2400 g_object_notify (G_OBJECT (combo_box), "popup-shown");
2404 gtk_combo_box_child_hide (GtkWidget *widget,
2405 GtkComboBox *combo_box)
2407 GtkComboBoxPrivate *priv = combo_box->priv;
2409 priv->popup_shown = FALSE;
2410 g_object_notify (G_OBJECT (combo_box), "popup-shown");
2414 gtk_combo_box_expose_event (GtkWidget *widget,
2415 GdkEventExpose *event)
2417 GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
2418 GtkComboBoxPrivate *priv = combo_box->priv;
2420 if (GTK_WIDGET_DRAWABLE (widget) &&
2421 GTK_SHADOW_NONE != priv->shadow_type)
2423 gtk_paint_shadow (widget->style, widget->window,
2424 GTK_STATE_NORMAL, priv->shadow_type,
2425 NULL, widget, "combobox",
2426 widget->allocation.x, widget->allocation.y,
2427 widget->allocation.width, widget->allocation.height);
2430 gtk_container_propagate_expose (GTK_CONTAINER (widget),
2431 priv->button, event);
2433 if (priv->tree_view && priv->cell_view_frame)
2435 gtk_container_propagate_expose (GTK_CONTAINER (widget),
2436 priv->cell_view_frame, event);
2439 gtk_container_propagate_expose (GTK_CONTAINER (widget),
2440 GTK_BIN (widget)->child, event);
2455 path_visible (GtkTreeView *view,
2461 /* Note that we rely on the fact that collapsed rows don't have nodes
2463 return _gtk_tree_view_find_node (view, path, &tree, &node);
2467 tree_next_func (GtkTreeModel *model,
2472 SearchData *search_data = (SearchData *)data;
2474 if (search_data->found)
2476 if (!tree_column_row_is_sensitive (search_data->combo, iter))
2479 if (search_data->visible &&
2480 !path_visible (GTK_TREE_VIEW (search_data->combo->priv->tree_view), path))
2483 search_data->set = TRUE;
2484 search_data->iter = *iter;
2489 if (gtk_tree_path_compare (path, search_data->path) == 0)
2490 search_data->found = TRUE;
2496 tree_next (GtkComboBox *combo,
2497 GtkTreeModel *model,
2502 SearchData search_data;
2504 search_data.combo = combo;
2505 search_data.path = gtk_tree_model_get_path (model, iter);
2506 search_data.visible = visible;
2507 search_data.found = FALSE;
2508 search_data.set = FALSE;
2510 gtk_tree_model_foreach (model, tree_next_func, &search_data);
2512 *next = search_data.iter;
2514 gtk_tree_path_free (search_data.path);
2516 return search_data.set;
2520 tree_prev_func (GtkTreeModel *model,
2525 SearchData *search_data = (SearchData *)data;
2527 if (gtk_tree_path_compare (path, search_data->path) == 0)
2529 search_data->found = TRUE;
2533 if (!tree_column_row_is_sensitive (search_data->combo, iter))
2536 if (search_data->visible &&
2537 !path_visible (GTK_TREE_VIEW (search_data->combo->priv->tree_view), path))
2540 search_data->set = TRUE;
2541 search_data->iter = *iter;
2547 tree_prev (GtkComboBox *combo,
2548 GtkTreeModel *model,
2553 SearchData search_data;
2555 search_data.combo = combo;
2556 search_data.path = gtk_tree_model_get_path (model, iter);
2557 search_data.visible = visible;
2558 search_data.found = FALSE;
2559 search_data.set = FALSE;
2561 gtk_tree_model_foreach (model, tree_prev_func, &search_data);
2563 *prev = search_data.iter;
2565 gtk_tree_path_free (search_data.path);
2567 return search_data.set;
2571 tree_last_func (GtkTreeModel *model,
2576 SearchData *search_data = (SearchData *)data;
2578 if (!tree_column_row_is_sensitive (search_data->combo, iter))
2581 /* Note that we rely on the fact that collapsed rows don't have nodes
2583 if (search_data->visible &&
2584 !path_visible (GTK_TREE_VIEW (search_data->combo->priv->tree_view), path))
2587 search_data->set = TRUE;
2588 search_data->iter = *iter;
2594 tree_last (GtkComboBox *combo,
2595 GtkTreeModel *model,
2599 SearchData search_data;
2601 search_data.combo = combo;
2602 search_data.visible = visible;
2603 search_data.set = FALSE;
2605 gtk_tree_model_foreach (model, tree_last_func, &search_data);
2607 *last = search_data.iter;
2609 return search_data.set;
2614 tree_first_func (GtkTreeModel *model,
2619 SearchData *search_data = (SearchData *)data;
2621 if (!tree_column_row_is_sensitive (search_data->combo, iter))
2624 if (search_data->visible &&
2625 !path_visible (GTK_TREE_VIEW (search_data->combo->priv->tree_view), path))
2628 search_data->set = TRUE;
2629 search_data->iter = *iter;
2635 tree_first (GtkComboBox *combo,
2636 GtkTreeModel *model,
2640 SearchData search_data;
2642 search_data.combo = combo;
2643 search_data.visible = visible;
2644 search_data.set = FALSE;
2646 gtk_tree_model_foreach (model, tree_first_func, &search_data);
2648 *first = search_data.iter;
2650 return search_data.set;
2654 gtk_combo_box_scroll_event (GtkWidget *widget,
2655 GdkEventScroll *event)
2657 GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
2660 GtkTreeIter new_iter;
2662 if (!gtk_combo_box_get_active_iter (combo_box, &iter))
2665 if (event->direction == GDK_SCROLL_UP)
2666 found = tree_prev (combo_box, combo_box->priv->model,
2667 &iter, &new_iter, FALSE);
2669 found = tree_next (combo_box, combo_box->priv->model,
2670 &iter, &new_iter, FALSE);
2673 gtk_combo_box_set_active_iter (combo_box, &new_iter);
2683 gtk_combo_box_sync_cells (GtkComboBox *combo_box,
2684 GtkCellLayout *cell_layout)
2686 GtkComboBoxPrivate *priv = combo_box->priv;
2689 for (k = priv->cells; k; k = k->next)
2692 ComboCellInfo *info = (ComboCellInfo *)k->data;
2694 if (info->pack == GTK_PACK_START)
2695 gtk_cell_layout_pack_start (cell_layout,
2696 info->cell, info->expand);
2697 else if (info->pack == GTK_PACK_END)
2698 gtk_cell_layout_pack_end (cell_layout,
2699 info->cell, info->expand);
2701 gtk_cell_layout_set_cell_data_func (cell_layout,
2703 combo_cell_data_func, info, NULL);
2705 for (j = info->attributes; j; j = j->next->next)
2707 gtk_cell_layout_add_attribute (cell_layout,
2710 GPOINTER_TO_INT (j->next->data));
2716 gtk_combo_box_menu_setup (GtkComboBox *combo_box,
2717 gboolean add_children)
2719 GtkComboBoxPrivate *priv = combo_box->priv;
2722 if (priv->cell_view)
2724 priv->button = gtk_toggle_button_new ();
2725 gtk_button_set_focus_on_click (GTK_BUTTON (priv->button),
2726 priv->focus_on_click);
2728 g_signal_connect (priv->button, "toggled",
2729 G_CALLBACK (gtk_combo_box_button_toggled), combo_box);
2730 gtk_widget_set_parent (priv->button,
2731 GTK_BIN (combo_box)->child->parent);
2733 priv->box = gtk_hbox_new (FALSE, 0);
2734 gtk_container_add (GTK_CONTAINER (priv->button), priv->box);
2736 priv->separator = gtk_vseparator_new ();
2737 gtk_container_add (GTK_CONTAINER (priv->box), priv->separator);
2739 priv->arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE);
2740 gtk_container_add (GTK_CONTAINER (priv->box), priv->arrow);
2742 gtk_widget_show_all (priv->button);
2746 priv->button = gtk_toggle_button_new ();
2747 gtk_button_set_focus_on_click (GTK_BUTTON (priv->button),
2748 priv->focus_on_click);
2750 g_signal_connect (priv->button, "toggled",
2751 G_CALLBACK (gtk_combo_box_button_toggled), combo_box);
2752 gtk_widget_set_parent (priv->button,
2753 GTK_BIN (combo_box)->child->parent);
2755 priv->arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE);
2756 gtk_container_add (GTK_CONTAINER (priv->button), priv->arrow);
2757 gtk_widget_show_all (priv->button);
2760 g_signal_connect (priv->button, "button_press_event",
2761 G_CALLBACK (gtk_combo_box_menu_button_press),
2763 g_signal_connect (priv->button, "state_changed",
2764 G_CALLBACK (gtk_combo_box_button_state_changed),
2767 /* create our funky menu */
2768 menu = gtk_menu_new ();
2769 gtk_widget_set_name (menu, "gtk-combobox-popup-menu");
2771 g_signal_connect (menu, "key_press_event",
2772 G_CALLBACK (gtk_combo_box_menu_key_press), combo_box);
2773 gtk_combo_box_set_popup_widget (combo_box, menu);
2777 gtk_combo_box_menu_fill (combo_box);
2779 /* the column is needed in tree_column_row_is_sensitive() */
2780 priv->column = gtk_tree_view_column_new ();
2781 g_object_ref_sink (priv->column);
2782 gtk_combo_box_sync_cells (combo_box, GTK_CELL_LAYOUT (priv->column));
2784 gtk_combo_box_update_title (combo_box);
2788 gtk_combo_box_menu_fill (GtkComboBox *combo_box)
2790 GtkComboBoxPrivate *priv = combo_box->priv;
2796 menu = priv->popup_widget;
2798 if (priv->add_tearoffs)
2800 GtkWidget *tearoff = gtk_tearoff_menu_item_new ();
2802 gtk_widget_show (tearoff);
2804 if (priv->wrap_width)
2805 gtk_menu_attach (GTK_MENU (menu), tearoff, 0, priv->wrap_width, 0, 1);
2807 gtk_menu_shell_append (GTK_MENU_SHELL (menu), tearoff);
2810 gtk_combo_box_menu_fill_level (combo_box, menu, NULL);
2814 gtk_cell_view_menu_item_new (GtkComboBox *combo_box,
2815 GtkTreeModel *model,
2818 GtkWidget *cell_view;
2823 cell_view = gtk_cell_view_new ();
2824 item = gtk_menu_item_new ();
2825 gtk_container_add (GTK_CONTAINER (item), cell_view);
2827 gtk_cell_view_set_model (GTK_CELL_VIEW (cell_view), model);
2828 path = gtk_tree_model_get_path (model, iter);
2829 gtk_cell_view_set_displayed_row (GTK_CELL_VIEW (cell_view), path);
2830 gtk_tree_path_free (path);
2832 gtk_combo_box_sync_cells (combo_box, GTK_CELL_LAYOUT (cell_view));
2833 gtk_widget_size_request (cell_view, &req);
2834 gtk_widget_show (cell_view);
2840 gtk_combo_box_menu_fill_level (GtkComboBox *combo_box,
2842 GtkTreeIter *parent)
2844 GtkComboBoxPrivate *priv = combo_box->priv;
2845 GtkTreeModel *model = priv->model;
2846 GtkWidget *item, *submenu, *subitem, *separator;
2848 gboolean is_separator;
2853 n_children = gtk_tree_model_iter_n_children (model, parent);
2856 for (i = 0; i < n_children; i++)
2858 gtk_tree_model_iter_nth_child (model, &iter, parent, i);
2860 if (priv->row_separator_func)
2861 is_separator = (*priv->row_separator_func) (priv->model, &iter,
2862 priv->row_separator_data);
2864 is_separator = FALSE;
2868 item = gtk_separator_menu_item_new ();
2869 path = gtk_tree_model_get_path (model, &iter);
2870 g_object_set_data_full (G_OBJECT (item),
2871 I_("gtk-combo-box-item-path"),
2872 gtk_tree_row_reference_new (model, path),
2873 (GDestroyNotify)gtk_tree_row_reference_free);
2874 gtk_tree_path_free (path);
2878 item = gtk_cell_view_menu_item_new (combo_box, model, &iter);
2879 if (gtk_tree_model_iter_has_child (model, &iter))
2881 submenu = gtk_menu_new ();
2882 gtk_widget_show (submenu);
2883 gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), submenu);
2885 /* Ugly - since menus can only activate leafs, we have to
2886 * duplicate the item inside the submenu.
2888 subitem = gtk_cell_view_menu_item_new (combo_box, model, &iter);
2889 separator = gtk_separator_menu_item_new ();
2890 gtk_widget_show (subitem);
2891 gtk_widget_show (separator);
2892 g_signal_connect (subitem, "activate",
2893 G_CALLBACK (gtk_combo_box_menu_item_activate),
2895 gtk_menu_shell_append (GTK_MENU_SHELL (submenu), subitem);
2896 gtk_menu_shell_append (GTK_MENU_SHELL (submenu), separator);
2898 gtk_combo_box_menu_fill_level (combo_box, submenu, &iter);
2900 g_signal_connect (item, "activate",
2901 G_CALLBACK (gtk_combo_box_menu_item_activate),
2905 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
2906 if (priv->wrap_width && menu == priv->popup_widget)
2907 gtk_combo_box_relayout_item (combo_box, item, &iter, last);
2908 gtk_widget_show (item);
2915 gtk_combo_box_menu_destroy (GtkComboBox *combo_box)
2917 GtkComboBoxPrivate *priv = combo_box->priv;
2919 g_signal_handlers_disconnect_matched (priv->button,
2920 G_SIGNAL_MATCH_DATA,
2922 gtk_combo_box_menu_button_press, NULL);
2923 g_signal_handlers_disconnect_matched (priv->button,
2924 G_SIGNAL_MATCH_DATA,
2926 gtk_combo_box_button_state_changed, combo_box);
2928 /* unparent will remove our latest ref */
2929 gtk_widget_unparent (priv->button);
2932 priv->button = NULL;
2934 priv->separator = NULL;
2936 g_object_unref (priv->column);
2937 priv->column = NULL;
2939 /* changing the popup window will unref the menu and the children */
2947 menu_occupied (GtkMenu *menu,
2951 guint bottom_attach)
2955 for (i = GTK_MENU_SHELL (menu)->children; i; i = i->next)
2959 gtk_container_child_get (GTK_CONTAINER (menu),
2963 "bottom-attach", &b,
2967 /* look if this item intersects with the given coordinates */
2968 if (right_attach > l && left_attach < r && bottom_attach > t && top_attach < b)
2976 gtk_combo_box_relayout_item (GtkComboBox *combo_box,
2981 GtkComboBoxPrivate *priv = combo_box->priv;
2982 gint current_col = 0, current_row = 0;
2983 gint rows = 1, cols = 1;
2984 GtkWidget *menu = priv->popup_widget;
2986 if (!GTK_IS_MENU_SHELL (menu))
2989 if (priv->col_column == -1 &&
2990 priv->row_column == -1 &&
2993 gtk_container_child_get (GTK_CONTAINER (menu),
2995 "right-attach", ¤t_col,
2996 "top-attach", ¤t_row,
2998 if (current_col + cols > priv->wrap_width)
3006 if (priv->col_column != -1)
3007 gtk_tree_model_get (priv->model, iter,
3008 priv->col_column, &cols,
3010 if (priv->row_column != -1)
3011 gtk_tree_model_get (priv->model, iter,
3012 priv->row_column, &rows,
3017 if (current_col + cols > priv->wrap_width)
3023 if (!menu_occupied (GTK_MENU (menu),
3024 current_col, current_col + cols,
3025 current_row, current_row + rows))
3032 /* set attach props */
3033 gtk_menu_attach (GTK_MENU (menu), item,
3034 current_col, current_col + cols,
3035 current_row, current_row + rows);
3039 gtk_combo_box_relayout (GtkComboBox *combo_box)
3044 menu = combo_box->priv->popup_widget;
3046 /* do nothing unless we are in menu style and realized */
3047 if (combo_box->priv->tree_view || !GTK_IS_MENU_SHELL (menu))
3050 list = gtk_container_get_children (GTK_CONTAINER (menu));
3052 for (j = g_list_last (list); j; j = j->prev)
3053 gtk_container_remove (GTK_CONTAINER (menu), j->data);
3055 gtk_combo_box_menu_fill (combo_box);
3062 gtk_combo_box_menu_button_press (GtkWidget *widget,
3063 GdkEventButton *event,
3066 GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
3067 GtkComboBoxPrivate *priv = combo_box->priv;
3069 if (GTK_IS_MENU (priv->popup_widget) &&
3070 event->type == GDK_BUTTON_PRESS && event->button == 1)
3072 if (priv->focus_on_click &&
3073 !GTK_WIDGET_HAS_FOCUS (priv->button))
3074 gtk_widget_grab_focus (priv->button);
3076 gtk_combo_box_menu_popup (combo_box, event->button, event->time);
3085 gtk_combo_box_menu_item_activate (GtkWidget *item,
3088 GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
3089 GtkWidget *cell_view;
3093 cell_view = GTK_BIN (item)->child;
3095 g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
3097 path = gtk_cell_view_get_displayed_row (GTK_CELL_VIEW (cell_view));
3099 if (gtk_tree_model_get_iter (combo_box->priv->model, &iter, path))
3101 if (gtk_menu_item_get_submenu (GTK_MENU_ITEM (item)) == NULL)
3102 gtk_combo_box_set_active_iter (combo_box, &iter);
3105 gtk_tree_path_free (path);
3107 combo_box->priv->editing_canceled = FALSE;
3111 gtk_combo_box_model_row_inserted (GtkTreeModel *model,
3116 GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
3118 if (combo_box->priv->tree_view)
3119 gtk_combo_box_list_popup_resize (combo_box);
3121 gtk_combo_box_menu_row_inserted (model, path, iter, user_data);
3125 gtk_combo_box_model_row_deleted (GtkTreeModel *model,
3129 GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
3130 GtkComboBoxPrivate *priv = combo_box->priv;
3132 if (!gtk_tree_row_reference_valid (priv->active_row))
3134 if (priv->cell_view)
3135 gtk_cell_view_set_displayed_row (GTK_CELL_VIEW (priv->cell_view), NULL);
3136 g_signal_emit (combo_box, combo_box_signals[CHANGED], 0);
3139 if (priv->tree_view)
3140 gtk_combo_box_list_popup_resize (combo_box);
3142 gtk_combo_box_menu_row_deleted (model, path, user_data);
3146 gtk_combo_box_model_rows_reordered (GtkTreeModel *model,
3152 GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
3154 gtk_tree_row_reference_reordered (G_OBJECT (user_data), path, iter, new_order);
3156 if (!combo_box->priv->tree_view)
3157 gtk_combo_box_menu_rows_reordered (model, path, iter, new_order, user_data);
3161 gtk_combo_box_model_row_changed (GtkTreeModel *model,
3166 GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
3167 GtkComboBoxPrivate *priv = combo_box->priv;
3168 GtkTreePath *active_path;
3170 /* FIXME this belongs to GtkCellView */
3171 if (gtk_tree_row_reference_valid (priv->active_row))
3173 active_path = gtk_tree_row_reference_get_path (priv->active_row);
3174 if (gtk_tree_path_compare (path, active_path) == 0 &&
3176 gtk_widget_queue_resize (GTK_WIDGET (priv->cell_view));
3177 gtk_tree_path_free (active_path);
3180 if (priv->tree_view)
3181 gtk_combo_box_list_row_changed (model, path, iter, user_data);
3183 gtk_combo_box_menu_row_changed (model, path, iter, user_data);
3187 list_popup_resize_idle (gpointer user_data)
3189 GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
3190 GtkComboBoxPrivate *priv = combo_box->priv;
3191 gint x, y, width, height;
3193 if (priv->tree_view && GTK_WIDGET_MAPPED (priv->popup_window))
3195 gtk_combo_box_list_position (combo_box, &x, &y, &width, &height);
3197 gtk_widget_set_size_request (priv->popup_window, width, height);
3198 gtk_window_move (GTK_WINDOW (priv->popup_window), x, y);
3201 priv->resize_idle_id = 0;
3207 gtk_combo_box_list_popup_resize (GtkComboBox *combo_box)
3209 GtkComboBoxPrivate *priv = combo_box->priv;
3211 if (!priv->resize_idle_id)
3212 priv->resize_idle_id =
3213 gdk_threads_add_idle (list_popup_resize_idle, combo_box);
3217 gtk_combo_box_model_row_expanded (GtkTreeModel *model,
3222 GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
3224 gtk_combo_box_list_popup_resize (combo_box);
3229 find_menu_by_path (GtkWidget *menu,
3231 gboolean skip_first)
3236 GtkTreeRowReference *mref;
3240 list = gtk_container_get_children (GTK_CONTAINER (menu));
3243 for (i = list; i; i = i->next)
3245 if (GTK_IS_SEPARATOR_MENU_ITEM (i->data))
3247 mref = g_object_get_data (G_OBJECT (i->data), "gtk-combo-box-item-path");
3250 else if (!gtk_tree_row_reference_valid (mref))
3253 mpath = gtk_tree_row_reference_get_path (mref);
3255 else if (GTK_IS_CELL_VIEW (GTK_BIN (i->data)->child))
3263 mpath = gtk_cell_view_get_displayed_row (GTK_CELL_VIEW (GTK_BIN (i->data)->child));
3268 /* this case is necessary, since the row reference of
3269 * the cell view may already be updated after a deletion
3276 if (gtk_tree_path_compare (mpath, path) == 0)
3278 gtk_tree_path_free (mpath);
3282 if (gtk_tree_path_is_ancestor (mpath, path))
3284 submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data));
3285 if (submenu != NULL)
3287 gtk_tree_path_free (mpath);
3288 item = find_menu_by_path (submenu, path, TRUE);
3292 gtk_tree_path_free (mpath);
3302 dump_menu_tree (GtkWidget *menu,
3309 list = gtk_container_get_children (GTK_CONTAINER (menu));
3310 for (i = list; i; i = i->next)
3312 if (GTK_IS_CELL_VIEW (GTK_BIN (i->data)->child))
3314 path = gtk_cell_view_get_displayed_row (GTK_CELL_VIEW (GTK_BIN (i->data)->child));
3315 g_print ("%*s%s\n", 2 * level, " ", gtk_tree_path_to_string (path));
3316 gtk_tree_path_free (path);
3318 submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data));
3319 if (submenu != NULL)
3320 dump_menu_tree (submenu, level + 1);
3329 gtk_combo_box_menu_row_inserted (GtkTreeModel *model,
3334 GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
3335 GtkComboBoxPrivate *priv = combo_box->priv;
3337 GtkWidget *item, *menu, *separator;
3341 gboolean is_separator;
3343 if (!priv->popup_widget)
3346 depth = gtk_tree_path_get_depth (path);
3347 pos = gtk_tree_path_get_indices (path)[depth - 1];
3350 ppath = gtk_tree_path_copy (path);
3351 gtk_tree_path_up (ppath);
3352 parent = find_menu_by_path (priv->popup_widget, ppath, FALSE);
3353 gtk_tree_path_free (ppath);
3355 menu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (parent));
3358 menu = gtk_menu_new ();
3359 gtk_widget_show (menu);
3360 gtk_menu_item_set_submenu (GTK_MENU_ITEM (parent), menu);
3362 /* Ugly - since menus can only activate leaves, we have to
3363 * duplicate the item inside the submenu.
3365 gtk_tree_model_iter_parent (model, &piter, iter);
3366 item = gtk_cell_view_menu_item_new (combo_box, model, &piter);
3367 separator = gtk_separator_menu_item_new ();
3368 g_signal_connect (item, "activate",
3369 G_CALLBACK (gtk_combo_box_menu_item_activate),
3371 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
3372 gtk_menu_shell_append (GTK_MENU_SHELL (menu), separator);
3373 if (cell_view_is_sensitive (GTK_CELL_VIEW (GTK_BIN (item)->child)))
3375 gtk_widget_show (item);
3376 gtk_widget_show (separator);
3383 menu = priv->popup_widget;
3384 if (priv->add_tearoffs)
3388 if (priv->row_separator_func)
3389 is_separator = (*priv->row_separator_func) (model, iter,
3390 priv->row_separator_data);
3392 is_separator = FALSE;
3396 item = gtk_separator_menu_item_new ();
3397 g_object_set_data_full (G_OBJECT (item),
3398 I_("gtk-combo-box-item-path"),
3399 gtk_tree_row_reference_new (model, path),
3400 (GDestroyNotify)gtk_tree_row_reference_free);
3404 item = gtk_cell_view_menu_item_new (combo_box, model, iter);
3406 g_signal_connect (item, "activate",
3407 G_CALLBACK (gtk_combo_box_menu_item_activate),
3411 gtk_widget_show (item);
3412 gtk_menu_shell_insert (GTK_MENU_SHELL (menu), item, pos);
3416 gtk_combo_box_menu_row_deleted (GtkTreeModel *model,
3420 GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
3421 GtkComboBoxPrivate *priv = combo_box->priv;
3425 if (!priv->popup_widget)
3428 item = find_menu_by_path (priv->popup_widget, path, FALSE);
3429 menu = gtk_widget_get_parent (item);
3430 gtk_container_remove (GTK_CONTAINER (menu), item);
3432 if (gtk_tree_path_get_depth (path) > 1)
3434 GtkTreePath *parent_path;
3438 parent_path = gtk_tree_path_copy (path);
3439 gtk_tree_path_up (parent_path);
3440 gtk_tree_model_get_iter (model, &iter, parent_path);
3442 if (!gtk_tree_model_iter_has_child (model, &iter))
3444 parent = find_menu_by_path (priv->popup_widget,
3445 parent_path, FALSE);
3446 gtk_menu_item_set_submenu (GTK_MENU_ITEM (parent), NULL);
3452 gtk_combo_box_menu_rows_reordered (GtkTreeModel *model,
3458 GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
3460 gtk_combo_box_relayout (combo_box);
3464 gtk_combo_box_menu_row_changed (GtkTreeModel *model,
3469 GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
3470 GtkComboBoxPrivate *priv = combo_box->priv;
3473 gboolean is_separator;
3475 if (!priv->popup_widget)
3478 item = find_menu_by_path (priv->popup_widget, path, FALSE);
3480 if (priv->row_separator_func)
3481 is_separator = (*priv->row_separator_func) (model, iter,
3482 priv->row_separator_data);
3484 is_separator = FALSE;
3486 if (is_separator != GTK_IS_SEPARATOR_MENU_ITEM (item))
3488 gtk_combo_box_menu_row_deleted (model, path, combo_box);
3489 gtk_combo_box_menu_row_inserted (model, path, iter, combo_box);
3492 if (priv->wrap_width && item->parent == priv->popup_widget)
3494 GtkWidget *pitem = NULL;
3497 prev = gtk_tree_path_copy (path);
3499 if (gtk_tree_path_prev (prev))
3500 pitem = find_menu_by_path (priv->popup_widget, prev, FALSE);
3502 gtk_tree_path_free (prev);
3504 /* unattach item so gtk_combo_box_relayout_item() won't spuriously
3506 gtk_container_child_set (GTK_CONTAINER (priv->popup_widget),
3511 "bottom-attach", -1,
3514 gtk_combo_box_relayout_item (combo_box, item, iter, pitem);
3517 width = gtk_combo_box_calc_requested_width (combo_box, path);
3519 if (width > priv->width)
3521 if (priv->cell_view)
3523 gtk_widget_set_size_request (priv->cell_view, width, -1);
3524 gtk_widget_queue_resize (priv->cell_view);
3526 priv->width = width;
3535 gtk_combo_box_list_setup (GtkComboBox *combo_box)
3537 GtkComboBoxPrivate *priv = combo_box->priv;
3538 GtkTreeSelection *sel;
3540 priv->button = gtk_toggle_button_new ();
3541 gtk_widget_set_parent (priv->button,
3542 GTK_BIN (combo_box)->child->parent);
3543 g_signal_connect (priv->button, "button_press_event",
3544 G_CALLBACK (gtk_combo_box_list_button_pressed), combo_box);
3545 g_signal_connect (priv->button, "toggled",
3546 G_CALLBACK (gtk_combo_box_button_toggled), combo_box);
3548 priv->arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE);
3549 gtk_container_add (GTK_CONTAINER (priv->button), priv->arrow);
3550 priv->separator = NULL;
3551 gtk_widget_show_all (priv->button);
3553 if (priv->cell_view)
3555 gtk_cell_view_set_background_color (GTK_CELL_VIEW (priv->cell_view),
3556 >K_WIDGET (combo_box)->style->base[GTK_WIDGET_STATE (combo_box)]);
3558 priv->box = gtk_event_box_new ();
3559 gtk_event_box_set_visible_window (GTK_EVENT_BOX (priv->box),
3562 if (priv->has_frame)
3564 priv->cell_view_frame = gtk_frame_new (NULL);
3565 gtk_frame_set_shadow_type (GTK_FRAME (priv->cell_view_frame),
3570 combo_box->priv->cell_view_frame = gtk_event_box_new ();
3571 gtk_event_box_set_visible_window (GTK_EVENT_BOX (combo_box->priv->cell_view_frame),
3575 gtk_widget_set_parent (priv->cell_view_frame,
3576 GTK_BIN (combo_box)->child->parent);
3577 gtk_container_add (GTK_CONTAINER (priv->cell_view_frame), priv->box);
3578 gtk_widget_show_all (priv->cell_view_frame);
3580 g_signal_connect (priv->box, "button_press_event",
3581 G_CALLBACK (gtk_combo_box_list_button_pressed),
3585 priv->tree_view = gtk_tree_view_new ();
3586 sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
3587 gtk_tree_selection_set_mode (sel, GTK_SELECTION_BROWSE);
3588 gtk_tree_selection_set_select_function (sel,
3589 gtk_combo_box_list_select_func,
3591 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view),
3593 gtk_tree_view_set_hover_selection (GTK_TREE_VIEW (priv->tree_view),
3595 if (priv->row_separator_func)
3596 gtk_tree_view_set_row_separator_func (GTK_TREE_VIEW (priv->tree_view),
3597 priv->row_separator_func,
3598 priv->row_separator_data,
3601 gtk_tree_view_set_model (GTK_TREE_VIEW (priv->tree_view), priv->model);
3603 priv->column = gtk_tree_view_column_new ();
3604 gtk_tree_view_append_column (GTK_TREE_VIEW (priv->tree_view), priv->column);
3607 gtk_combo_box_sync_cells (combo_box,
3608 GTK_CELL_LAYOUT (priv->column));
3610 if (gtk_tree_row_reference_valid (priv->active_row))
3614 path = gtk_tree_row_reference_get_path (priv->active_row);
3615 gtk_tree_view_set_cursor (GTK_TREE_VIEW (priv->tree_view),
3617 gtk_tree_path_free (path);
3620 /* set sample/popup widgets */
3621 gtk_combo_box_set_popup_widget (combo_box, priv->tree_view);
3623 g_signal_connect (priv->tree_view, "key_press_event",
3624 G_CALLBACK (gtk_combo_box_list_key_press),
3626 g_signal_connect (priv->tree_view, "enter_notify_event",
3627 G_CALLBACK (gtk_combo_box_list_enter_notify),
3629 g_signal_connect (priv->tree_view, "row_expanded",
3630 G_CALLBACK (gtk_combo_box_model_row_expanded),
3632 g_signal_connect (priv->tree_view, "row_collapsed",
3633 G_CALLBACK (gtk_combo_box_model_row_expanded),
3635 g_signal_connect (priv->popup_window, "button_press_event",
3636 G_CALLBACK (gtk_combo_box_list_button_pressed),
3638 g_signal_connect (priv->popup_window, "button_release_event",
3639 G_CALLBACK (gtk_combo_box_list_button_released),
3642 gtk_widget_show (priv->tree_view);
3646 gtk_combo_box_list_destroy (GtkComboBox *combo_box)
3648 GtkComboBoxPrivate *priv = combo_box->priv;
3650 /* disconnect signals */
3651 g_signal_handlers_disconnect_matched (priv->tree_view,
3652 G_SIGNAL_MATCH_DATA,
3653 0, 0, NULL, NULL, combo_box);
3654 g_signal_handlers_disconnect_matched (priv->button,
3655 G_SIGNAL_MATCH_DATA,
3657 gtk_combo_box_list_button_pressed,
3659 g_signal_handlers_disconnect_matched (priv->popup_window,
3660 G_SIGNAL_MATCH_DATA,
3662 gtk_combo_box_list_button_pressed,
3664 g_signal_handlers_disconnect_matched (priv->popup_window,
3665 G_SIGNAL_MATCH_DATA,
3667 gtk_combo_box_list_button_released,
3670 g_signal_handlers_disconnect_matched (priv->popup_window,
3671 G_SIGNAL_MATCH_DATA,
3673 gtk_combo_box_child_show,
3676 g_signal_handlers_disconnect_matched (priv->popup_window,
3677 G_SIGNAL_MATCH_DATA,
3679 gtk_combo_box_child_hide,
3683 g_signal_handlers_disconnect_matched (priv->box,
3684 G_SIGNAL_MATCH_DATA,
3686 gtk_combo_box_list_button_pressed,
3689 /* destroy things (unparent will kill the latest ref from us)
3690 * last unref on button will destroy the arrow
3692 gtk_widget_unparent (priv->button);
3693 priv->button = NULL;
3696 if (priv->cell_view)
3698 g_object_set (priv->cell_view,
3699 "background-set", FALSE,
3703 if (priv->cell_view_frame)
3705 gtk_widget_unparent (priv->cell_view_frame);
3706 priv->cell_view_frame = NULL;
3710 if (priv->scroll_timer)
3712 g_source_remove (priv->scroll_timer);
3713 priv->scroll_timer = 0;
3716 if (priv->resize_idle_id)
3718 g_source_remove (priv->resize_idle_id);
3719 priv->resize_idle_id = 0;
3722 gtk_widget_destroy (priv->tree_view);
3724 priv->tree_view = NULL;
3725 if (priv->popup_widget)
3727 g_object_unref (priv->popup_widget);
3728 priv->popup_widget = NULL;
3735 gtk_combo_box_list_button_pressed (GtkWidget *widget,
3736 GdkEventButton *event,
3739 GtkComboBox *combo_box = GTK_COMBO_BOX (data);
3740 GtkComboBoxPrivate *priv = combo_box->priv;
3742 GtkWidget *ewidget = gtk_get_event_widget ((GdkEvent *)event);
3744 if (ewidget == priv->popup_window)
3747 if ((ewidget != priv->button && ewidget != priv->box) ||
3748 gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (priv->button)))
3751 if (priv->focus_on_click &&
3752 !GTK_WIDGET_HAS_FOCUS (priv->button))
3753 gtk_widget_grab_focus (priv->button);
3755 gtk_combo_box_popup (combo_box);
3757 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->button), TRUE);
3759 priv->auto_scroll = FALSE;
3760 if (priv->scroll_timer == 0)
3761 priv->scroll_timer = gdk_threads_add_timeout (SCROLL_TIME,
3762 (GSourceFunc) gtk_combo_box_list_scroll_timeout,
3765 priv->popup_in_progress = TRUE;
3771 gtk_combo_box_list_button_released (GtkWidget *widget,
3772 GdkEventButton *event,
3776 GtkTreePath *path = NULL;
3779 GtkComboBox *combo_box = GTK_COMBO_BOX (data);
3780 GtkComboBoxPrivate *priv = combo_box->priv;
3782 gboolean popup_in_progress = FALSE;
3784 GtkWidget *ewidget = gtk_get_event_widget ((GdkEvent *)event);
3786 if (priv->popup_in_progress)
3788 popup_in_progress = TRUE;
3789 priv->popup_in_progress = FALSE;
3792 gtk_tree_view_set_hover_expand (GTK_TREE_VIEW (priv->tree_view),
3794 if (priv->scroll_timer)
3796 g_source_remove (priv->scroll_timer);
3797 priv->scroll_timer = 0;
3800 if (ewidget != priv->tree_view)
3802 if ((ewidget == priv->button ||
3803 ewidget == priv->box) &&
3804 !popup_in_progress &&
3805 gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (priv->button)))
3807 gtk_combo_box_popdown (combo_box);
3811 /* released outside treeview */
3812 if (ewidget != priv->button && ewidget != priv->box)
3814 gtk_combo_box_popdown (combo_box);
3822 /* select something cool */
3823 ret = gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (priv->tree_view),
3829 return TRUE; /* clicked outside window? */
3831 gtk_tree_model_get_iter (priv->model, &iter, path);
3832 gtk_tree_path_free (path);
3834 gtk_combo_box_popdown (combo_box);
3836 if (tree_column_row_is_sensitive (combo_box, &iter))
3837 gtk_combo_box_set_active_iter (combo_box, &iter);
3843 gtk_combo_box_menu_key_press (GtkWidget *widget,
3847 GtkComboBox *combo_box = GTK_COMBO_BOX (data);
3849 if (!gtk_bindings_activate_event (GTK_OBJECT (widget), event))
3851 /* The menu hasn't managed the
3852 * event, forward it to the combobox
3854 gtk_bindings_activate_event (GTK_OBJECT (combo_box), event);
3861 gtk_combo_box_list_key_press (GtkWidget *widget,
3865 GtkComboBox *combo_box = GTK_COMBO_BOX (data);
3868 if (event->keyval == GDK_Return || event->keyval == GDK_KP_Enter ||
3869 event->keyval == GDK_space || event->keyval == GDK_KP_Space)
3871 GtkTreeModel *model = NULL;
3873 gtk_combo_box_popdown (combo_box);
3875 if (combo_box->priv->model)
3877 GtkTreeSelection *sel;
3879 sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (combo_box->priv->tree_view));
3881 if (gtk_tree_selection_get_selected (sel, &model, &iter))
3882 gtk_combo_box_set_active_iter (combo_box, &iter);
3888 if (!gtk_bindings_activate_event (GTK_OBJECT (widget), event))
3890 /* The list hasn't managed the
3891 * event, forward it to the combobox
3893 gtk_bindings_activate_event (GTK_OBJECT (combo_box), event);
3900 gtk_combo_box_list_auto_scroll (GtkComboBox *combo_box,
3904 GtkWidget *tree_view = combo_box->priv->tree_view;
3908 adj = gtk_scrolled_window_get_hadjustment (GTK_SCROLLED_WINDOW (combo_box->priv->scrolled_window));
3909 if (adj && adj->upper - adj->lower > adj->page_size)
3911 if (x <= tree_view->allocation.x &&
3912 adj->lower < adj->value)
3914 value = adj->value - (tree_view->allocation.x - x + 1);
3915 gtk_adjustment_set_value (adj, CLAMP (value, adj->lower, adj->upper - adj->page_size));
3917 else if (x >= tree_view->allocation.x + tree_view->allocation.width &&
3918 adj->upper - adj->page_size > adj->value)
3920 value = adj->value + (x - tree_view->allocation.x - tree_view->allocation.width + 1);
3921 gtk_adjustment_set_value (adj, CLAMP (value, 0.0, adj->upper - adj->page_size));
3925 adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (combo_box->priv->scrolled_window));
3926 if (adj && adj->upper - adj->lower > adj->page_size)
3928 if (y <= tree_view->allocation.y &&
3929 adj->lower < adj->value)
3931 value = adj->value - (tree_view->allocation.y - y + 1);
3932 gtk_adjustment_set_value (adj, CLAMP (value, adj->lower, adj->upper - adj->page_size));
3934 else if (y >= tree_view->allocation.height &&
3935 adj->upper - adj->page_size > adj->value)
3937 value = adj->value + (y - tree_view->allocation.height + 1);
3938 gtk_adjustment_set_value (adj, CLAMP (value, 0.0, adj->upper - adj->page_size));
3944 gtk_combo_box_list_scroll_timeout (GtkComboBox *combo_box)
3946 GtkComboBoxPrivate *priv = combo_box->priv;
3949 if (priv->auto_scroll)
3951 gdk_window_get_pointer (priv->tree_view->window, &x, &y, NULL);
3952 gtk_combo_box_list_auto_scroll (combo_box, x, y);
3959 gtk_combo_box_list_enter_notify (GtkWidget *widget,
3960 GdkEventCrossing *event,
3963 GtkComboBox *combo_box = GTK_COMBO_BOX (data);
3965 combo_box->priv->auto_scroll = TRUE;
3971 gtk_combo_box_list_select_func (GtkTreeSelection *selection,
3972 GtkTreeModel *model,
3974 gboolean path_currently_selected,
3978 gboolean sensitive = FALSE;
3980 for (list = selection->tree_view->priv->columns; list && !sensitive; list = list->next)
3982 GList *cells, *cell;
3983 gboolean cell_sensitive, cell_visible;
3985 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN (list->data);
3987 if (!column->visible)
3990 gtk_tree_model_get_iter (model, &iter, path);
3991 gtk_tree_view_column_cell_set_cell_data (column, model, &iter,
3994 cell = cells = gtk_tree_view_column_get_cell_renderers (column);
3997 g_object_get (cell->data,
3998 "sensitive", &cell_sensitive,
3999 "visible", &cell_visible,
4002 if (cell_visible && cell_sensitive)
4007 g_list_free (cells);
4009 sensitive = cell_sensitive;
4016 gtk_combo_box_list_row_changed (GtkTreeModel *model,
4021 GtkComboBox *combo_box = GTK_COMBO_BOX (data);
4022 GtkComboBoxPrivate *priv = combo_box->priv;
4025 width = gtk_combo_box_calc_requested_width (combo_box, path);
4027 if (width > priv->width)
4029 if (priv->cell_view)
4031 gtk_widget_set_size_request (priv->cell_view, width, -1);
4032 gtk_widget_queue_resize (priv->cell_view);
4034 priv->width = width;
4039 * GtkCellLayout implementation
4043 pack_start_recurse (GtkWidget *menu,
4044 GtkCellRenderer *cell,
4050 list = gtk_container_get_children (GTK_CONTAINER (menu));
4051 for (i = list; i; i = i->next)
4053 if (GTK_IS_CELL_LAYOUT (GTK_BIN (i->data)->child))
4054 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (GTK_BIN (i->data)->child),
4057 submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data));
4058 if (submenu != NULL)
4059 pack_start_recurse (submenu, cell, expand);
4066 gtk_combo_box_cell_layout_pack_start (GtkCellLayout *layout,
4067 GtkCellRenderer *cell,
4070 ComboCellInfo *info;
4071 GtkComboBox *combo_box;
4072 GtkComboBoxPrivate *priv;
4074 g_return_if_fail (GTK_IS_COMBO_BOX (layout));
4075 g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
4077 combo_box = GTK_COMBO_BOX (layout);
4078 priv = combo_box->priv;
4080 g_object_ref_sink (cell);
4082 info = g_new0 (ComboCellInfo, 1);
4084 info->expand = expand;
4085 info->pack = GTK_PACK_START;
4087 priv->cells = g_slist_append (priv->cells, info);
4089 if (priv->cell_view)
4090 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (priv->cell_view),
4094 gtk_tree_view_column_pack_start (priv->column, cell, expand);
4096 if (GTK_IS_MENU (priv->popup_widget))
4097 pack_start_recurse (priv->popup_widget, cell, expand);
4101 pack_end_recurse (GtkWidget *menu,
4102 GtkCellRenderer *cell,
4108 list = gtk_container_get_children (GTK_CONTAINER (menu));
4109 for (i = list; i; i = i->next)
4111 if (GTK_IS_CELL_LAYOUT (GTK_BIN (i->data)->child))
4112 gtk_cell_layout_pack_end (GTK_CELL_LAYOUT (GTK_BIN (i->data)->child),
4115 submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data));
4116 if (submenu != NULL)
4117 pack_end_recurse (submenu, cell, expand);
4124 gtk_combo_box_cell_layout_pack_end (GtkCellLayout *layout,
4125 GtkCellRenderer *cell,
4128 ComboCellInfo *info;
4129 GtkComboBox *combo_box;
4130 GtkComboBoxPrivate *priv;
4132 g_return_if_fail (GTK_IS_COMBO_BOX (layout));
4133 g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
4135 combo_box = GTK_COMBO_BOX (layout);
4136 priv = combo_box->priv;
4138 g_object_ref_sink (cell);
4140 info = g_new0 (ComboCellInfo, 1);
4142 info->expand = expand;
4143 info->pack = GTK_PACK_END;
4145 priv->cells = g_slist_append (priv->cells, info);
4147 if (priv->cell_view)
4148 gtk_cell_layout_pack_end (GTK_CELL_LAYOUT (priv->cell_view),
4152 gtk_tree_view_column_pack_end (priv->column, cell, expand);
4154 if (GTK_IS_MENU (priv->popup_widget))
4155 pack_end_recurse (priv->popup_widget, cell, expand);
4159 gtk_combo_box_cell_layout_get_cells (GtkCellLayout *layout)
4162 GList *retval = NULL;
4163 GtkComboBox *combo_box;
4165 g_return_val_if_fail (GTK_IS_COMBO_BOX (layout), NULL);
4167 combo_box = GTK_COMBO_BOX (layout);
4169 for (list = combo_box->priv->cells; list; list = list->next)
4171 ComboCellInfo *info = (ComboCellInfo *)list->data;
4173 retval = g_list_prepend (retval, info->cell);
4176 return g_list_reverse (retval);
4180 clear_recurse (GtkWidget *menu)
4185 list = gtk_container_get_children (GTK_CONTAINER (menu));
4186 for (i = list; i; i = i->next)
4188 if (GTK_IS_CELL_LAYOUT (GTK_BIN (i->data)->child))
4189 gtk_cell_layout_clear (GTK_CELL_LAYOUT (GTK_BIN (i->data)->child));
4191 submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data));
4192 if (submenu != NULL)
4193 clear_recurse (submenu);
4200 gtk_combo_box_cell_layout_clear (GtkCellLayout *layout)
4202 GtkComboBox *combo_box = GTK_COMBO_BOX (layout);
4203 GtkComboBoxPrivate *priv = combo_box->priv;
4206 if (priv->cell_view)
4207 gtk_cell_layout_clear (GTK_CELL_LAYOUT (priv->cell_view));
4210 gtk_tree_view_column_clear (priv->column);
4212 for (i = priv->cells; i; i = i->next)
4214 ComboCellInfo *info = (ComboCellInfo *)i->data;
4216 gtk_combo_box_cell_layout_clear_attributes (layout, info->cell);
4217 g_object_unref (info->cell);
4221 g_slist_free (priv->cells);
4224 if (GTK_IS_MENU (priv->popup_widget))
4225 clear_recurse (priv->popup_widget);
4229 add_attribute_recurse (GtkWidget *menu,
4230 GtkCellRenderer *cell,
4231 const gchar *attribute,
4237 list = gtk_container_get_children (GTK_CONTAINER (menu));
4238 for (i = list; i; i = i->next)
4240 if (GTK_IS_CELL_LAYOUT (GTK_BIN (i->data)->child))
4241 gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (GTK_BIN (i->data)->child),
4242 cell, attribute, column);
4244 submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data));
4245 if (submenu != NULL)
4246 add_attribute_recurse (submenu, cell, attribute, column);
4253 gtk_combo_box_cell_layout_add_attribute (GtkCellLayout *layout,
4254 GtkCellRenderer *cell,
4255 const gchar *attribute,
4258 ComboCellInfo *info;
4259 GtkComboBox *combo_box;
4261 g_return_if_fail (GTK_IS_COMBO_BOX (layout));
4262 g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
4264 combo_box = GTK_COMBO_BOX (layout);
4266 info = gtk_combo_box_get_cell_info (combo_box, cell);
4268 info->attributes = g_slist_prepend (info->attributes,
4269 GINT_TO_POINTER (column));
4270 info->attributes = g_slist_prepend (info->attributes,
4271 g_strdup (attribute));
4273 if (combo_box->priv->cell_view)
4274 gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo_box->priv->cell_view),
4275 cell, attribute, column);
4277 if (combo_box->priv->column)
4278 gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo_box->priv->column),
4279 cell, attribute, column);
4281 if (GTK_IS_MENU (combo_box->priv->popup_widget))
4282 add_attribute_recurse (combo_box->priv->popup_widget, cell, attribute, column);
4283 gtk_widget_queue_resize (GTK_WIDGET (combo_box));
4287 combo_cell_data_func (GtkCellLayout *cell_layout,
4288 GtkCellRenderer *cell,
4289 GtkTreeModel *tree_model,
4293 ComboCellInfo *info = (ComboCellInfo *)data;
4294 GtkWidget *parent = NULL;
4299 (*info->func) (cell_layout, cell, tree_model, iter, info->func_data);
4301 if (GTK_IS_WIDGET (cell_layout))
4302 parent = gtk_widget_get_parent (GTK_WIDGET (cell_layout));
4304 if (GTK_IS_MENU_ITEM (parent) &&
4305 gtk_menu_item_get_submenu (GTK_MENU_ITEM (parent)))
4306 g_object_set (cell, "sensitive", TRUE, NULL);
4311 set_cell_data_func_recurse (GtkWidget *menu,
4312 GtkCellRenderer *cell,
4313 ComboCellInfo *info)
4317 GtkWidget *cell_view;
4319 list = gtk_container_get_children (GTK_CONTAINER (menu));
4320 for (i = list; i; i = i->next)
4322 cell_view = GTK_BIN (i->data)->child;
4323 if (GTK_IS_CELL_LAYOUT (cell_view))
4325 /* Override sensitivity for inner nodes; we don't
4326 * want menuitems with submenus to appear insensitive
4328 gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (cell_view),
4330 combo_cell_data_func,
4332 submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data));
4333 if (submenu != NULL)
4334 set_cell_data_func_recurse (submenu, cell, info);
4342 gtk_combo_box_cell_layout_set_cell_data_func (GtkCellLayout *layout,
4343 GtkCellRenderer *cell,
4344 GtkCellLayoutDataFunc func,
4346 GDestroyNotify destroy)
4348 GtkComboBox *combo_box = GTK_COMBO_BOX (layout);
4349 GtkComboBoxPrivate *priv = combo_box->priv;
4350 ComboCellInfo *info;
4352 info = gtk_combo_box_get_cell_info (combo_box, cell);
4353 g_return_if_fail (info != NULL);
4357 GDestroyNotify d = info->destroy;
4359 info->destroy = NULL;
4360 d (info->func_data);
4364 info->func_data = func_data;
4365 info->destroy = destroy;
4367 if (priv->cell_view)
4368 gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (priv->cell_view), cell, func, func_data, NULL);
4371 gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (priv->column), cell, func, func_data, NULL);
4373 if (GTK_IS_MENU (priv->popup_widget))
4374 set_cell_data_func_recurse (priv->popup_widget, cell, info);
4376 gtk_widget_queue_resize (GTK_WIDGET (combo_box));
4380 clear_attributes_recurse (GtkWidget *menu,
4381 GtkCellRenderer *cell)
4386 list = gtk_container_get_children (GTK_CONTAINER (menu));
4387 for (i = list; i; i = i->next)
4389 if (GTK_IS_CELL_LAYOUT (GTK_BIN (i->data)->child))
4390 gtk_cell_layout_clear_attributes (GTK_CELL_LAYOUT (GTK_BIN (i->data)->child),
4393 submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data));
4394 if (submenu != NULL)
4395 clear_attributes_recurse (submenu, cell);
4402 gtk_combo_box_cell_layout_clear_attributes (GtkCellLayout *layout,
4403 GtkCellRenderer *cell)
4405 ComboCellInfo *info;
4406 GtkComboBox *combo_box;
4407 GtkComboBoxPrivate *priv;
4410 g_return_if_fail (GTK_IS_COMBO_BOX (layout));
4411 g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
4413 combo_box = GTK_COMBO_BOX (layout);
4414 priv = combo_box->priv;
4416 info = gtk_combo_box_get_cell_info (combo_box, cell);
4417 g_return_if_fail (info != NULL);
4419 list = info->attributes;
4420 while (list && list->next)
4422 g_free (list->data);
4423 list = list->next->next;
4425 g_slist_free (info->attributes);
4426 info->attributes = NULL;
4428 if (priv->cell_view)
4429 gtk_cell_layout_clear_attributes (GTK_CELL_LAYOUT (priv->cell_view), cell);
4432 gtk_cell_layout_clear_attributes (GTK_CELL_LAYOUT (priv->column), cell);
4434 if (GTK_IS_MENU (priv->popup_widget))
4435 clear_attributes_recurse (priv->popup_widget, cell);
4437 gtk_widget_queue_resize (GTK_WIDGET (combo_box));
4441 reorder_recurse (GtkWidget *menu,
4442 GtkCellRenderer *cell,
4448 list = gtk_container_get_children (GTK_CONTAINER (menu));
4449 for (i = list; i; i = i->next)
4451 if (GTK_IS_CELL_LAYOUT (GTK_BIN (i->data)->child))
4452 gtk_cell_layout_reorder (GTK_CELL_LAYOUT (GTK_BIN (i->data)->child),
4455 submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (i->data));
4456 if (submenu != NULL)
4457 reorder_recurse (submenu, cell, position);
4464 gtk_combo_box_cell_layout_reorder (GtkCellLayout *layout,
4465 GtkCellRenderer *cell,
4468 ComboCellInfo *info;
4469 GtkComboBox *combo_box;
4470 GtkComboBoxPrivate *priv;
4473 g_return_if_fail (GTK_IS_COMBO_BOX (layout));
4474 g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
4476 combo_box = GTK_COMBO_BOX (layout);
4477 priv = combo_box->priv;
4479 info = gtk_combo_box_get_cell_info (combo_box, cell);
4481 g_return_if_fail (info != NULL);
4482 g_return_if_fail (position >= 0);
4484 link = g_slist_find (priv->cells, info);
4486 g_return_if_fail (link != NULL);
4488 priv->cells = g_slist_delete_link (priv->cells, link);
4489 priv->cells = g_slist_insert (priv->cells, info, position);
4491 if (priv->cell_view)
4492 gtk_cell_layout_reorder (GTK_CELL_LAYOUT (priv->cell_view),
4496 gtk_cell_layout_reorder (GTK_CELL_LAYOUT (priv->column),
4499 if (GTK_IS_MENU (priv->popup_widget))
4500 reorder_recurse (priv->popup_widget, cell, position);
4502 gtk_widget_queue_draw (GTK_WIDGET (combo_box));
4510 * gtk_combo_box_new:
4512 * Creates a new empty #GtkComboBox.
4514 * Return value: A new #GtkComboBox.
4519 gtk_combo_box_new (void)
4521 return g_object_new (GTK_TYPE_COMBO_BOX, NULL);
4525 * gtk_combo_box_new_with_model:
4526 * @model: A #GtkTreeModel.
4528 * Creates a new #GtkComboBox with the model initialized to @model.
4530 * Return value: A new #GtkComboBox.
4535 gtk_combo_box_new_with_model (GtkTreeModel *model)
4537 GtkComboBox *combo_box;
4539 g_return_val_if_fail (GTK_IS_TREE_MODEL (model), NULL);
4541 combo_box = g_object_new (GTK_TYPE_COMBO_BOX, "model", model, NULL);
4543 return GTK_WIDGET (combo_box);
4547 * gtk_combo_box_get_wrap_width:
4548 * @combo_box: A #GtkComboBox
4550 * Returns the wrap width which is used to determine the number of columns
4551 * for the popup menu. If the wrap width is larger than 1, the combo box
4554 * Returns: the wrap width.
4559 gtk_combo_box_get_wrap_width (GtkComboBox *combo_box)
4561 g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), -1);
4563 return combo_box->priv->wrap_width;
4567 * gtk_combo_box_set_wrap_width:
4568 * @combo_box: A #GtkComboBox
4569 * @width: Preferred number of columns
4571 * Sets the wrap width of @combo_box to be @width. The wrap width is basically
4572 * the preferred number of columns when you want the popup to be layed out
4578 gtk_combo_box_set_wrap_width (GtkComboBox *combo_box,
4581 GtkComboBoxPrivate *priv;
4583 g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
4584 g_return_if_fail (width >= 0);
4586 priv = combo_box->priv;
4588 if (width != priv->wrap_width)
4590 priv->wrap_width = width;
4592 gtk_combo_box_check_appearance (combo_box);
4593 gtk_combo_box_relayout (combo_box);
4595 g_object_notify (G_OBJECT (combo_box), "wrap-width");
4600 * gtk_combo_box_get_row_span_column:
4601 * @combo_box: A #GtkComboBox
4603 * Returns the column with row span information for @combo_box.
4605 * Returns: the row span column.
4610 gtk_combo_box_get_row_span_column (GtkComboBox *combo_box)
4612 g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), -1);
4614 return combo_box->priv->row_column;
4618 * gtk_combo_box_set_row_span_column:
4619 * @combo_box: A #GtkComboBox.
4620 * @row_span: A column in the model passed during construction.
4622 * Sets the column with row span information for @combo_box to be @row_span.
4623 * The row span column contains integers which indicate how many rows
4624 * an item should span.
4629 gtk_combo_box_set_row_span_column (GtkComboBox *combo_box,
4632 GtkComboBoxPrivate *priv;
4635 g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
4637 priv = combo_box->priv;
4639 col = gtk_tree_model_get_n_columns (priv->model);
4640 g_return_if_fail (row_span >= -1 && row_span < col);
4642 if (row_span != priv->row_column)
4644 priv->row_column = row_span;
4646 gtk_combo_box_relayout (combo_box);
4648 g_object_notify (G_OBJECT (combo_box), "row-span-column");
4653 * gtk_combo_box_get_column_span_column:
4654 * @combo_box: A #GtkComboBox
4656 * Returns the column with column span information for @combo_box.
4658 * Returns: the column span column.
4663 gtk_combo_box_get_column_span_column (GtkComboBox *combo_box)
4665 g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), -1);
4667 return combo_box->priv->col_column;
4671 * gtk_combo_box_set_column_span_column:
4672 * @combo_box: A #GtkComboBox
4673 * @column_span: A column in the model passed during construction
4675 * Sets the column with column span information for @combo_box to be
4676 * @column_span. The column span column contains integers which indicate
4677 * how many columns an item should span.
4682 gtk_combo_box_set_column_span_column (GtkComboBox *combo_box,
4685 GtkComboBoxPrivate *priv;
4688 g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
4690 priv = combo_box->priv;
4692 col = gtk_tree_model_get_n_columns (priv->model);
4693 g_return_if_fail (column_span >= -1 && column_span < col);
4695 if (column_span != priv->col_column)
4697 priv->col_column = column_span;
4699 gtk_combo_box_relayout (combo_box);
4701 g_object_notify (G_OBJECT (combo_box), "column-span-column");
4706 * gtk_combo_box_get_active:
4707 * @combo_box: A #GtkComboBox
4709 * Returns the index of the currently active item, or -1 if there's no
4710 * active item. If the model is a non-flat treemodel, and the active item
4711 * is not an immediate child of the root of the tree, this function returns
4712 * <literal>gtk_tree_path_get_indices (path)[0]</literal>, where
4713 * <literal>path</literal> is the #GtkTreePath of the active item.
4715 * Return value: An integer which is the index of the currently active item,
4716 * or -1 if there's no active item.
4721 gtk_combo_box_get_active (GtkComboBox *combo_box)
4723 GtkComboBoxPrivate *priv;
4726 g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), 0);
4728 priv = combo_box->priv;
4730 if (gtk_tree_row_reference_valid (priv->active_row))
4734 path = gtk_tree_row_reference_get_path (priv->active_row);
4735 result = gtk_tree_path_get_indices (path)[0];
4736 gtk_tree_path_free (path);
4745 * gtk_combo_box_set_active:
4746 * @combo_box: A #GtkComboBox
4747 * @index_: An index in the model passed during construction, or -1 to have
4750 * Sets the active item of @combo_box to be the item at @index.
4755 gtk_combo_box_set_active (GtkComboBox *combo_box,
4758 GtkTreePath *path = NULL;
4759 g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
4760 g_return_if_fail (index_ >= -1);
4763 path = gtk_tree_path_new_from_indices (index_, -1);
4765 gtk_combo_box_set_active_internal (combo_box, path);
4768 gtk_tree_path_free (path);
4772 gtk_combo_box_set_active_internal (GtkComboBox *combo_box,
4775 GtkComboBoxPrivate *priv = combo_box->priv;
4776 GtkTreePath *active_path;
4779 if (path && gtk_tree_row_reference_valid (priv->active_row))
4781 active_path = gtk_tree_row_reference_get_path (priv->active_row);
4782 path_cmp = gtk_tree_path_compare (path, active_path);
4783 gtk_tree_path_free (active_path);
4788 if (priv->active_row)
4790 gtk_tree_row_reference_free (priv->active_row);
4791 priv->active_row = NULL;
4796 if (priv->tree_view)
4797 gtk_tree_selection_unselect_all (gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view)));
4800 GtkMenu *menu = GTK_MENU (priv->popup_widget);
4802 if (GTK_IS_MENU (menu))
4803 gtk_menu_set_active (menu, -1);
4806 if (priv->cell_view)
4807 gtk_cell_view_set_displayed_row (GTK_CELL_VIEW (priv->cell_view), NULL);
4812 gtk_tree_row_reference_new (priv->model, path);
4814 if (priv->tree_view)
4816 gtk_tree_view_set_cursor (GTK_TREE_VIEW (priv->tree_view),
4819 else if (GTK_IS_MENU (priv->popup_widget))
4821 /* FIXME handle nested menus better */
4822 gtk_menu_set_active (GTK_MENU (priv->popup_widget),
4823 gtk_tree_path_get_indices (path)[0]);
4826 if (priv->cell_view)
4827 gtk_cell_view_set_displayed_row (GTK_CELL_VIEW (priv->cell_view),
4831 g_signal_emit (combo_box, combo_box_signals[CHANGED], 0);
4832 g_object_notify (G_OBJECT (combo_box), "active");
4837 * gtk_combo_box_get_active_iter:
4838 * @combo_box: A #GtkComboBox
4839 * @iter: The uninitialized #GtkTreeIter
4841 * Sets @iter to point to the current active item, if it exists.
4843 * Return value: %TRUE, if @iter was set
4848 gtk_combo_box_get_active_iter (GtkComboBox *combo_box,
4854 g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), FALSE);
4856 if (!gtk_tree_row_reference_valid (combo_box->priv->active_row))
4859 path = gtk_tree_row_reference_get_path (combo_box->priv->active_row);
4860 result = gtk_tree_model_get_iter (combo_box->priv->model, iter, path);
4861 gtk_tree_path_free (path);
4867 * gtk_combo_box_set_active_iter:
4868 * @combo_box: A #GtkComboBox
4869 * @iter: The #GtkTreeIter
4871 * Sets the current active item to be the one referenced by @iter.
4872 * @iter must correspond to a path of depth one.
4877 gtk_combo_box_set_active_iter (GtkComboBox *combo_box,
4882 g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
4884 path = gtk_tree_model_get_path (gtk_combo_box_get_model (combo_box), iter);
4885 gtk_combo_box_set_active_internal (combo_box, path);
4886 gtk_tree_path_free (path);
4890 * gtk_combo_box_set_model:
4891 * @combo_box: A #GtkComboBox
4892 * @model: A #GtkTreeModel
4894 * Sets the model used by @combo_box to be @model. Will unset a previously set
4895 * model (if applicable). If model is %NULL, then it will unset the model.
4897 * Note that this function does not clear the cell renderers, you have to
4898 * call gtk_cell_layout_clear() yourself if you need to set up different
4899 * cell renderers for the new model.
4904 gtk_combo_box_set_model (GtkComboBox *combo_box,
4905 GtkTreeModel *model)
4907 g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
4908 g_return_if_fail (model == NULL || GTK_IS_TREE_MODEL (model));
4910 if (model == combo_box->priv->model)
4913 gtk_combo_box_unset_model (combo_box);
4918 combo_box->priv->model = model;
4919 g_object_ref (combo_box->priv->model);
4921 combo_box->priv->inserted_id =
4922 g_signal_connect (combo_box->priv->model, "row_inserted",
4923 G_CALLBACK (gtk_combo_box_model_row_inserted),
4925 combo_box->priv->deleted_id =
4926 g_signal_connect (combo_box->priv->model, "row_deleted",
4927 G_CALLBACK (gtk_combo_box_model_row_deleted),
4929 combo_box->priv->reordered_id =
4930 g_signal_connect (combo_box->priv->model, "rows_reordered",
4931 G_CALLBACK (gtk_combo_box_model_rows_reordered),
4933 combo_box->priv->changed_id =
4934 g_signal_connect (combo_box->priv->model, "row_changed",
4935 G_CALLBACK (gtk_combo_box_model_row_changed),
4938 if (combo_box->priv->tree_view)
4941 gtk_tree_view_set_model (GTK_TREE_VIEW (combo_box->priv->tree_view),
4942 combo_box->priv->model);
4943 gtk_combo_box_list_popup_resize (combo_box);
4948 if (combo_box->priv->popup_widget)
4949 gtk_combo_box_menu_fill (combo_box);
4953 if (combo_box->priv->cell_view)
4954 gtk_cell_view_set_model (GTK_CELL_VIEW (combo_box->priv->cell_view),
4955 combo_box->priv->model);
4959 * gtk_combo_box_get_model
4960 * @combo_box: A #GtkComboBox
4962 * Returns the #GtkTreeModel which is acting as data source for @combo_box.
4964 * Return value: A #GtkTreeModel which was passed during construction.
4969 gtk_combo_box_get_model (GtkComboBox *combo_box)
4971 g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), NULL);
4973 return combo_box->priv->model;
4977 /* convenience API for simple text combos */
4980 * gtk_combo_box_new_text:
4982 * Convenience function which constructs a new text combo box, which is a
4983 * #GtkComboBox just displaying strings. If you use this function to create
4984 * a text combo box, you should only manipulate its data source with the
4985 * following convenience functions: gtk_combo_box_append_text(),
4986 * gtk_combo_box_insert_text(), gtk_combo_box_prepend_text() and
4987 * gtk_combo_box_remove_text().
4989 * Return value: A new text combo box.
4994 gtk_combo_box_new_text (void)
4996 GtkWidget *combo_box;
4997 GtkCellRenderer *cell;
4998 GtkListStore *store;
5000 store = gtk_list_store_new (1, G_TYPE_STRING);
5001 combo_box = gtk_combo_box_new_with_model (GTK_TREE_MODEL (store));
5002 g_object_unref (store);
5004 cell = gtk_cell_renderer_text_new ();
5005 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_box), cell, TRUE);
5006 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo_box), cell,
5014 * gtk_combo_box_append_text:
5015 * @combo_box: A #GtkComboBox constructed using gtk_combo_box_new_text()
5018 * Appends @string to the list of strings stored in @combo_box. Note that
5019 * you can only use this function with combo boxes constructed with
5020 * gtk_combo_box_new_text().
5025 gtk_combo_box_append_text (GtkComboBox *combo_box,
5029 GtkListStore *store;
5031 g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
5032 g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model));
5033 g_return_if_fail (text != NULL);
5035 store = GTK_LIST_STORE (combo_box->priv->model);
5037 gtk_list_store_append (store, &iter);
5038 gtk_list_store_set (store, &iter, 0, text, -1);
5042 * gtk_combo_box_insert_text:
5043 * @combo_box: A #GtkComboBox constructed using gtk_combo_box_new_text()
5044 * @position: An index to insert @text
5047 * Inserts @string at @position in the list of strings stored in @combo_box.
5048 * Note that you can only use this function with combo boxes constructed
5049 * with gtk_combo_box_new_text().
5054 gtk_combo_box_insert_text (GtkComboBox *combo_box,
5059 GtkListStore *store;
5061 g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
5062 g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model));
5063 g_return_if_fail (position >= 0);
5064 g_return_if_fail (text != NULL);
5066 store = GTK_LIST_STORE (combo_box->priv->model);
5068 gtk_list_store_insert (store, &iter, position);
5069 gtk_list_store_set (store, &iter, 0, text, -1);
5073 * gtk_combo_box_prepend_text:
5074 * @combo_box: A #GtkComboBox constructed with gtk_combo_box_new_text()
5077 * Prepends @string to the list of strings stored in @combo_box. Note that
5078 * you can only use this function with combo boxes constructed with
5079 * gtk_combo_box_new_text().
5084 gtk_combo_box_prepend_text (GtkComboBox *combo_box,
5088 GtkListStore *store;
5090 g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
5091 g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model));
5092 g_return_if_fail (text != NULL);
5094 store = GTK_LIST_STORE (combo_box->priv->model);
5096 gtk_list_store_prepend (store, &iter);
5097 gtk_list_store_set (store, &iter, 0, text, -1);
5101 * gtk_combo_box_remove_text:
5102 * @combo_box: A #GtkComboBox constructed with gtk_combo_box_new_text()
5103 * @position: Index of the item to remove
5105 * Removes the string at @position from @combo_box. Note that you can only use
5106 * this function with combo boxes constructed with gtk_combo_box_new_text().
5111 gtk_combo_box_remove_text (GtkComboBox *combo_box,
5115 GtkListStore *store;
5117 g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
5118 g_return_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model));
5119 g_return_if_fail (position >= 0);
5121 store = GTK_LIST_STORE (combo_box->priv->model);
5123 if (gtk_tree_model_iter_nth_child (combo_box->priv->model, &iter,
5125 gtk_list_store_remove (store, &iter);
5129 * gtk_combo_box_get_active_text:
5130 * @combo_box: A #GtkComboBox constructed with gtk_combo_box_new_text()
5132 * Returns the currently active string in @combo_box or %NULL if none
5133 * is selected. Note that you can only use this function with combo
5134 * boxes constructed with gtk_combo_box_new_text() and with
5135 * #GtkComboBoxEntry<!-- -->s.
5137 * Returns: a newly allocated string containing the currently active text.
5142 gtk_combo_box_get_active_text (GtkComboBox *combo_box)
5144 GtkComboBoxClass *class;
5146 g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), NULL);
5148 class = GTK_COMBO_BOX_GET_CLASS (combo_box);
5150 if (class->get_active_text)
5151 return (* class->get_active_text) (combo_box);
5157 gtk_combo_box_real_get_active_text (GtkComboBox *combo_box)
5162 g_return_val_if_fail (GTK_IS_LIST_STORE (combo_box->priv->model), NULL);
5164 if (gtk_combo_box_get_active_iter (combo_box, &iter))
5165 gtk_tree_model_get (combo_box->priv->model, &iter,
5172 gtk_combo_box_real_move_active (GtkComboBox *combo_box,
5173 GtkScrollType scroll)
5176 GtkTreeIter new_iter;
5177 gboolean active_iter;
5180 if (!combo_box->priv->model)
5182 gtk_widget_error_bell (GTK_WIDGET (combo_box));
5186 active_iter = gtk_combo_box_get_active_iter (combo_box, &iter);
5190 case GTK_SCROLL_STEP_BACKWARD:
5191 case GTK_SCROLL_STEP_UP:
5192 case GTK_SCROLL_STEP_LEFT:
5195 found = tree_prev (combo_box, combo_box->priv->model,
5196 &iter, &new_iter, FALSE);
5199 /* else fall through */
5201 case GTK_SCROLL_PAGE_FORWARD:
5202 case GTK_SCROLL_PAGE_DOWN:
5203 case GTK_SCROLL_PAGE_RIGHT:
5204 case GTK_SCROLL_END:
5205 found = tree_last (combo_box, combo_box->priv->model, &new_iter, FALSE);
5208 case GTK_SCROLL_STEP_FORWARD:
5209 case GTK_SCROLL_STEP_DOWN:
5210 case GTK_SCROLL_STEP_RIGHT:
5213 found = tree_next (combo_box, combo_box->priv->model,
5214 &iter, &new_iter, FALSE);
5217 /* else fall through */
5219 case GTK_SCROLL_PAGE_BACKWARD:
5220 case GTK_SCROLL_PAGE_UP:
5221 case GTK_SCROLL_PAGE_LEFT:
5222 case GTK_SCROLL_START:
5223 found = tree_first (combo_box, combo_box->priv->model, &new_iter, FALSE);
5230 if (found && active_iter)
5232 GtkTreePath *old_path;
5233 GtkTreePath *new_path;
5235 old_path = gtk_tree_model_get_path (combo_box->priv->model, &iter);
5236 new_path = gtk_tree_model_get_path (combo_box->priv->model, &new_iter);
5238 if (gtk_tree_path_compare (old_path, new_path) == 0)
5241 gtk_tree_path_free (old_path);
5242 gtk_tree_path_free (new_path);
5247 gtk_combo_box_set_active_iter (combo_box, &new_iter);
5251 gtk_widget_error_bell (GTK_WIDGET (combo_box));
5256 gtk_combo_box_mnemonic_activate (GtkWidget *widget,
5257 gboolean group_cycling)
5259 GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
5261 gtk_widget_grab_focus (combo_box->priv->button);
5267 gtk_combo_box_grab_focus (GtkWidget *widget)
5269 GtkComboBox *combo_box = GTK_COMBO_BOX (widget);
5271 gtk_widget_grab_focus (combo_box->priv->button);
5275 gtk_combo_box_destroy (GtkObject *object)
5277 GtkComboBox *combo_box = GTK_COMBO_BOX (object);
5279 if (combo_box->priv->popup_idle_id > 0)
5281 g_source_remove (combo_box->priv->popup_idle_id);
5282 combo_box->priv->popup_idle_id = 0;
5285 gtk_combo_box_popdown (combo_box);
5287 if (combo_box->priv->row_separator_destroy)
5288 (* combo_box->priv->row_separator_destroy) (combo_box->priv->row_separator_data);
5290 combo_box->priv->row_separator_func = NULL;
5291 combo_box->priv->row_separator_data = NULL;
5292 combo_box->priv->row_separator_destroy = NULL;
5294 GTK_OBJECT_CLASS (gtk_combo_box_parent_class)->destroy (object);
5295 combo_box->priv->cell_view = NULL;
5299 gtk_combo_box_dispose(GObject* object)
5301 GtkComboBox *combo_box = GTK_COMBO_BOX (object);
5303 if (GTK_IS_MENU (combo_box->priv->popup_widget))
5305 gtk_combo_box_menu_destroy (combo_box);
5306 gtk_menu_detach (GTK_MENU (combo_box->priv->popup_widget));
5307 combo_box->priv->popup_widget = NULL;
5310 G_OBJECT_CLASS (gtk_combo_box_parent_class)->dispose (object);
5314 gtk_combo_box_finalize (GObject *object)
5316 GtkComboBox *combo_box = GTK_COMBO_BOX (object);
5319 if (GTK_IS_TREE_VIEW (combo_box->priv->tree_view))
5320 gtk_combo_box_list_destroy (combo_box);
5322 if (combo_box->priv->popup_window)
5323 gtk_widget_destroy (combo_box->priv->popup_window);
5325 gtk_combo_box_unset_model (combo_box);
5327 for (i = combo_box->priv->cells; i; i = i->next)
5329 ComboCellInfo *info = (ComboCellInfo *)i->data;
5330 GSList *list = info->attributes;
5333 info->destroy (info->func_data);
5335 while (list && list->next)
5337 g_free (list->data);
5338 list = list->next->next;
5340 g_slist_free (info->attributes);
5342 g_object_unref (info->cell);
5345 g_slist_free (combo_box->priv->cells);
5347 g_free (combo_box->priv->tearoff_title);
5349 G_OBJECT_CLASS (gtk_combo_box_parent_class)->finalize (object);
5353 gtk_cell_editable_key_press (GtkWidget *widget,
5357 GtkComboBox *combo_box = GTK_COMBO_BOX (data);
5359 if (event->keyval == GDK_Escape)
5361 combo_box->priv->editing_canceled = TRUE;
5363 gtk_cell_editable_editing_done (GTK_CELL_EDITABLE (combo_box));
5364 gtk_cell_editable_remove_widget (GTK_CELL_EDITABLE (combo_box));
5368 else if (event->keyval == GDK_Return)
5370 gtk_cell_editable_editing_done (GTK_CELL_EDITABLE (combo_box));
5371 gtk_cell_editable_remove_widget (GTK_CELL_EDITABLE (combo_box));
5380 popdown_idle (gpointer data)
5382 GtkComboBox *combo_box;
5384 combo_box = GTK_COMBO_BOX (data);
5386 gtk_cell_editable_editing_done (GTK_CELL_EDITABLE (combo_box));
5387 gtk_cell_editable_remove_widget (GTK_CELL_EDITABLE (combo_box));
5389 g_object_unref (combo_box);
5395 popdown_handler (GtkWidget *widget,
5398 gdk_threads_add_idle (popdown_idle, g_object_ref (data));
5402 popup_idle (gpointer data)
5404 GtkComboBox *combo_box;
5406 combo_box = GTK_COMBO_BOX (data);
5408 if (GTK_IS_MENU (combo_box->priv->popup_widget) &&
5409 combo_box->priv->cell_view)
5410 g_signal_connect_object (combo_box->priv->popup_widget,
5411 "unmap", G_CALLBACK (popdown_handler),
5414 /* we unset this if a menu item is activated */
5415 combo_box->priv->editing_canceled = TRUE;
5416 gtk_combo_box_popup (combo_box);
5418 combo_box->priv->popup_idle_id = 0;
5419 combo_box->priv->activate_button = 0;
5420 combo_box->priv->activate_time = 0;
5426 gtk_combo_box_start_editing (GtkCellEditable *cell_editable,
5429 GtkComboBox *combo_box = GTK_COMBO_BOX (cell_editable);
5431 combo_box->priv->is_cell_renderer = TRUE;
5433 if (combo_box->priv->cell_view)
5435 g_signal_connect_object (combo_box->priv->button, "key_press_event",
5436 G_CALLBACK (gtk_cell_editable_key_press),
5439 gtk_widget_grab_focus (combo_box->priv->button);
5443 g_signal_connect_object (GTK_BIN (combo_box)->child, "key_press_event",
5444 G_CALLBACK (gtk_cell_editable_key_press),
5447 gtk_widget_grab_focus (GTK_WIDGET (GTK_BIN (combo_box)->child));
5448 GTK_WIDGET_UNSET_FLAGS (combo_box->priv->button, GTK_CAN_FOCUS);
5451 /* we do the immediate popup only for the optionmenu-like
5454 if (combo_box->priv->is_cell_renderer &&
5455 combo_box->priv->cell_view && !combo_box->priv->tree_view)
5457 if (event && event->type == GDK_BUTTON_PRESS)
5459 GdkEventButton *event_button = (GdkEventButton *)event;
5461 combo_box->priv->activate_button = event_button->button;
5462 combo_box->priv->activate_time = event_button->time;
5465 combo_box->priv->popup_idle_id =
5466 gdk_threads_add_idle (popup_idle, combo_box);
5472 * gtk_combo_box_get_add_tearoffs:
5473 * @combo_box: a #GtkComboBox
5475 * Gets the current value of the :add-tearoffs property.
5477 * Return value: the current value of the :add-tearoffs property.
5480 gtk_combo_box_get_add_tearoffs (GtkComboBox *combo_box)
5482 g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), FALSE);
5484 return combo_box->priv->add_tearoffs;
5488 * gtk_combo_box_set_add_tearoffs:
5489 * @combo_box: a #GtkComboBox
5490 * @add_tearoffs: %TRUE to add tearoff menu items
5492 * Sets whether the popup menu should have a tearoff
5498 gtk_combo_box_set_add_tearoffs (GtkComboBox *combo_box,
5499 gboolean add_tearoffs)
5501 g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
5503 add_tearoffs = add_tearoffs != FALSE;
5505 if (combo_box->priv->add_tearoffs != add_tearoffs)
5507 combo_box->priv->add_tearoffs = add_tearoffs;
5508 gtk_combo_box_check_appearance (combo_box);
5509 gtk_combo_box_relayout (combo_box);
5510 g_object_notify (G_OBJECT (combo_box), "add-tearoffs");
5515 * gtk_combo_box_get_title:
5516 * @combo_box: a #GtkComboBox
5518 * Gets the current title of the menu in tearoff mode. See
5519 * gtk_combo_box_set_add_tearoffs().
5521 * Returns: the menu's title in tearoff mode. This is an internal copy of the
5522 * string which must not be freed.
5526 G_CONST_RETURN gchar*
5527 gtk_combo_box_get_title (GtkComboBox *combo_box)
5529 g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), NULL);
5531 return combo_box->priv->tearoff_title;
5535 gtk_combo_box_update_title (GtkComboBox *combo_box)
5537 gtk_combo_box_check_appearance (combo_box);
5539 if (combo_box->priv->popup_widget &&
5540 GTK_IS_MENU (combo_box->priv->popup_widget))
5541 gtk_menu_set_title (GTK_MENU (combo_box->priv->popup_widget),
5542 combo_box->priv->tearoff_title);
5546 * gtk_combo_box_set_title:
5547 * @combo_box: a #GtkComboBox
5548 * @title: a title for the menu in tearoff mode
5550 * Sets the menu's title in tearoff mode.
5555 gtk_combo_box_set_title (GtkComboBox *combo_box,
5558 GtkComboBoxPrivate *priv;
5560 g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
5562 priv = combo_box->priv;
5564 if (strcmp (title ? title : "",
5565 priv->tearoff_title ? priv->tearoff_title : "") != 0)
5567 g_free (priv->tearoff_title);
5568 priv->tearoff_title = g_strdup (title);
5570 gtk_combo_box_update_title (combo_box);
5572 g_object_notify (G_OBJECT (combo_box), "tearoff-title");
5577 _gtk_combo_box_editing_canceled (GtkComboBox *combo_box)
5579 g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), TRUE);
5581 return combo_box->priv->editing_canceled;
5585 * gtk_combo_box_get_popup_accessible:
5586 * @combo_box: a #GtkComboBox
5588 * Gets the accessible object corresponding to the combo box's popup.
5590 * This function is mostly intended for use by accessibility technologies;
5591 * applications should have little use for it.
5593 * Returns: the accessible object corresponding to the combo box's popup.
5598 gtk_combo_box_get_popup_accessible (GtkComboBox *combo_box)
5602 g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), NULL);
5604 if (combo_box->priv->popup_widget)
5606 atk_obj = gtk_widget_get_accessible (combo_box->priv->popup_widget);
5614 * gtk_combo_box_get_row_separator_func:
5615 * @combo_box: a #GtkComboBox
5617 * Returns the current row separator function.
5619 * Return value: the current row separator function.
5623 GtkTreeViewRowSeparatorFunc
5624 gtk_combo_box_get_row_separator_func (GtkComboBox *combo_box)
5626 g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), NULL);
5628 return combo_box->priv->row_separator_func;
5632 * gtk_combo_box_set_row_separator_func:
5633 * @combo_box: a #GtkComboBox
5634 * @func: a #GtkTreeViewRowSeparatorFunc
5635 * @data: user data to pass to @func, or %NULL
5636 * @destroy: destroy notifier for @data, or %NULL
5638 * Sets the row separator function, which is used to determine
5639 * whether a row should be drawn as a separator. If the row separator
5640 * function is %NULL, no separators are drawn. This is the default value.
5645 gtk_combo_box_set_row_separator_func (GtkComboBox *combo_box,
5646 GtkTreeViewRowSeparatorFunc func,
5648 GtkDestroyNotify destroy)
5650 g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
5652 if (combo_box->priv->row_separator_destroy)
5653 (* combo_box->priv->row_separator_destroy) (combo_box->priv->row_separator_data);
5655 combo_box->priv->row_separator_func = func;
5656 combo_box->priv->row_separator_data = data;
5657 combo_box->priv->row_separator_destroy = destroy;
5659 if (combo_box->priv->tree_view)
5660 gtk_tree_view_set_row_separator_func (GTK_TREE_VIEW (combo_box->priv->tree_view),
5663 gtk_combo_box_relayout (combo_box);
5665 gtk_widget_queue_draw (GTK_WIDGET (combo_box));
5670 * gtk_combo_box_set_focus_on_click:
5671 * @combo: a #GtkComboBox
5672 * @focus_on_click: whether the combo box grabs focus when clicked
5675 * Sets whether the combo box will grab focus when it is clicked with
5676 * the mouse. Making mouse clicks not grab focus is useful in places
5677 * like toolbars where you don't want the keyboard focus removed from
5678 * the main area of the application.
5683 gtk_combo_box_set_focus_on_click (GtkComboBox *combo_box,
5684 gboolean focus_on_click)
5686 g_return_if_fail (GTK_IS_COMBO_BOX (combo_box));
5688 focus_on_click = focus_on_click != FALSE;
5690 if (combo_box->priv->focus_on_click != focus_on_click)
5692 combo_box->priv->focus_on_click = focus_on_click;
5694 if (combo_box->priv->button)
5695 gtk_button_set_focus_on_click (GTK_BUTTON (combo_box->priv->button),
5698 g_object_notify (G_OBJECT (combo_box), "focus-on-click");
5703 * gtk_combo_box_get_focus_on_click:
5704 * @combo: a #GtkComboBox
5706 * Returns whether the combo box grabs focus when it is clicked
5707 * with the mouse. See gtk_combo_box_set_focus_on_click().
5709 * Return value: %TRUE if the combo box grabs focus when it is
5710 * clicked with the mouse.
5715 gtk_combo_box_get_focus_on_click (GtkComboBox *combo_box)
5717 g_return_val_if_fail (GTK_IS_COMBO_BOX (combo_box), FALSE);
5719 return combo_box->priv->focus_on_click;
5724 gtk_combo_box_buildable_custom_tag_start (GtkBuildable *buildable,
5725 GtkBuilder *builder,
5727 const gchar *tagname,
5728 GMarkupParser *parser,
5731 if (parent_buildable_iface->custom_tag_start (buildable, builder, child,
5732 tagname, parser, data))
5735 return _gtk_cell_layout_buildable_custom_tag_start (buildable, builder, child,
5736 tagname, parser, data);
5740 gtk_combo_box_buildable_custom_tag_end (GtkBuildable *buildable,
5741 GtkBuilder *builder,
5743 const gchar *tagname,
5746 if (strcmp (tagname, "attributes") == 0)
5747 _gtk_cell_layout_buildable_custom_tag_end (buildable, builder, child, tagname,
5750 parent_buildable_iface->custom_tag_end (buildable, builder, child, tagname,
5754 #define __GTK_COMBO_BOX_C__
5755 #include "gtkaliasdef.c"