forked from AuroraMiddleware/gtk
dff86c0e12
... and use them. Also, rename them from is/contains-pointer-focus to is/contains-pointer, that's clear enough and not too long. Finally, adapt the semantics of contains-pointer to mirror GtkEventControllerKey::contains-focus. If is-pointer is set, so is contains-pointer, they are not exclusive. Which is what all users of this property wanted, too.
659 lines
21 KiB
C
659 lines
21 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright © 2014 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gtkpopovermenu.h"
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#include "gtkpopovermenuprivate.h"
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#include "gtkstack.h"
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#include "gtkstylecontext.h"
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#include "gtkintl.h"
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#include "gtkmenusectionboxprivate.h"
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#include "gtkmenubutton.h"
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#include "gtkactionmuxerprivate.h"
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#include "gtkmenutrackerprivate.h"
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#include "gtkpopoverprivate.h"
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#include "gtkwidgetprivate.h"
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#include "gtkeventcontrollerkey.h"
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#include "gtkeventcontrollermotion.h"
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#include "gtkmain.h"
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#include "gtktypebuiltins.h"
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#include "gtkbindings.h"
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#include "gtkmodelbuttonprivate.h"
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#include "gtkpopovermenubar.h"
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/**
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* SECTION:gtkpopovermenu
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* @Short_description: Popovers to use as menus
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* @Title: GtkPopoverMenu
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*
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* GtkPopoverMenu is a subclass of #GtkPopover that treats its
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* children like menus and allows switching between them. It is
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* meant to be used primarily together with #GtkModelButton, but
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* any widget can be used, such as #GtkSpinButton or #GtkScale.
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* In this respect, GtkPopoverMenu is more flexible than popovers
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* that are created from a #GMenuModel with gtk_popover_new_from_model().
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*
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* To add a child as a submenu, use gtk_popover_menu_add_submenu().
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* To let the user open this submenu, add a #GtkModelButton whose
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* #GtkModelButton:menu-name property is set to the name you've given
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* to the submenu.
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*
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* To add a named submenu in a ui file, set the #GtkWidget:name property
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* of the widget that you are adding as a child of the popover menu.
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*
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* By convention, the first child of a submenu should be a #GtkModelButton
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* to switch back to the parent menu. Such a button should use the
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* #GtkModelButton:inverted and #GtkModelButton:centered properties
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* to achieve a title-like appearance and place the submenu indicator
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* at the opposite side. To switch back to the main menu, use "main"
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* as the menu name.
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*
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* # Example
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*
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* |[
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* <object class="GtkPopoverMenu">
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* <child>
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* <object class="GtkBox">
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* <property name="visible">True</property>
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* <property name="margin">10</property>
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* <child>
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* <object class="GtkModelButton">
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* <property name="visible">True</property>
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* <property name="action-name">win.frob</property>
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* <property name="text" translatable="yes">Frob</property>
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* </object>
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* </child>
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* <child>
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* <object class="GtkModelButton">
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* <property name="visible">True</property>
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* <property name="menu-name">more</property>
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* <property name="text" translatable="yes">More</property>
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* </object>
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* </child>
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* </object>
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* </child>
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* <child>
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* <object class="GtkBox">
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* <property name="visible">True</property>
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* <property name="margin">10</property>
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* <property name="name">more</property>
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* <child>
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* <object class="GtkModelButton">
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* <property name="visible">True</property>
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* <property name="action-name">win.foo</property>
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* <property name="text" translatable="yes">Foo</property>
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* </object>
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* </child>
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* <child>
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* <object class="GtkModelButton">
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* <property name="visible">True</property>
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* <property name="action-name">win.bar</property>
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* <property name="text" translatable="yes">Bar</property>
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* </object>
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* </child>
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* </object>
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* </child>
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* </object>
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* ]|
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*
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* # CSS Nodes
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*
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* #GtkPopoverMenu is just a subclass of #GtkPopover that adds
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* custom content to it, therefore it has the same CSS nodes.
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* It is one of the cases that add a .menu style class to the
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* popover's contents node.
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*/
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typedef struct _GtkPopoverMenuClass GtkPopoverMenuClass;
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struct _GtkPopoverMenu
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{
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GtkPopover parent_instance;
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GtkWidget *active_item;
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GtkWidget *open_submenu;
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GtkWidget *parent_menu;
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GMenuModel *model;
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GtkPopoverMenuFlags flags;
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};
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struct _GtkPopoverMenuClass
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{
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GtkPopoverClass parent_class;
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};
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enum {
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PROP_VISIBLE_SUBMENU = 1,
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PROP_MENU_MODEL
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};
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G_DEFINE_TYPE (GtkPopoverMenu, gtk_popover_menu, GTK_TYPE_POPOVER)
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GtkWidget *
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gtk_popover_menu_get_parent_menu (GtkPopoverMenu *menu)
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{
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return menu->parent_menu;
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}
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void
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gtk_popover_menu_set_parent_menu (GtkPopoverMenu *menu,
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GtkWidget *parent)
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{
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menu->parent_menu = parent;
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}
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GtkWidget *
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gtk_popover_menu_get_open_submenu (GtkPopoverMenu *menu)
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{
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return menu->open_submenu;
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}
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void
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gtk_popover_menu_set_open_submenu (GtkPopoverMenu *menu,
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GtkWidget *submenu)
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{
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menu->open_submenu = submenu;
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}
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GtkWidget *
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gtk_popover_menu_get_active_item (GtkPopoverMenu *menu)
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{
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return menu->active_item;
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}
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void
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gtk_popover_menu_set_active_item (GtkPopoverMenu *menu,
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GtkWidget *item)
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{
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if (menu->active_item != item)
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{
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if (menu->active_item)
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gtk_widget_unset_state_flags (menu->active_item, GTK_STATE_FLAG_SELECTED);
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menu->active_item = item;
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if (menu->active_item)
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{
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GtkWidget *popover;
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gtk_widget_set_state_flags (menu->active_item, GTK_STATE_FLAG_SELECTED, FALSE);
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if (GTK_IS_MODEL_BUTTON (item))
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g_object_get (item, "popover", &popover, NULL);
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if (!popover || popover != menu->open_submenu)
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gtk_widget_grab_focus (menu->active_item);
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g_clear_object (&popover);
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}
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}
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}
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static void
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visible_submenu_changed (GObject *object,
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GParamSpec *pspec,
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GtkPopoverMenu *popover)
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{
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g_object_notify (G_OBJECT (popover), "visible-submenu");
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}
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static void
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focus_out (GtkEventControllerKey *controller,
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GdkCrossingMode mode,
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GdkNotifyType detail,
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GtkPopoverMenu *menu)
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{
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GtkWidget *new_focus = gtk_root_get_focus (gtk_widget_get_root (GTK_WIDGET (menu)));
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if (!gtk_event_controller_key_contains_focus (controller) &&
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new_focus != NULL)
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{
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if (menu->parent_menu &&
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GTK_POPOVER_MENU (menu->parent_menu)->open_submenu == (GtkWidget*) menu)
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GTK_POPOVER_MENU (menu->parent_menu)->open_submenu = NULL;
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gtk_popover_popdown (GTK_POPOVER (menu));
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}
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}
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static void
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leave_cb (GtkEventController *controller,
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GdkCrossingMode mode,
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GdkNotifyType type,
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gpointer data)
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{
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GtkWidget *target;
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target = gtk_event_controller_get_widget (controller);
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if (!gtk_event_controller_motion_contains_pointer (GTK_EVENT_CONTROLLER_MOTION (controller)))
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gtk_popover_menu_set_active_item (GTK_POPOVER_MENU (target), NULL);
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}
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static void
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gtk_popover_menu_init (GtkPopoverMenu *popover)
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{
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GtkWidget *stack;
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GtkStyleContext *style_context;
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GtkEventController *controller;
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stack = gtk_stack_new ();
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gtk_stack_set_vhomogeneous (GTK_STACK (stack), FALSE);
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gtk_stack_set_transition_type (GTK_STACK (stack), GTK_STACK_TRANSITION_TYPE_SLIDE_LEFT_RIGHT);
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gtk_stack_set_interpolate_size (GTK_STACK (stack), TRUE);
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gtk_container_add (GTK_CONTAINER (popover), stack);
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g_signal_connect (stack, "notify::visible-child-name",
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G_CALLBACK (visible_submenu_changed), popover);
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style_context = gtk_widget_get_style_context (GTK_WIDGET (popover));
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gtk_style_context_add_class (style_context, GTK_STYLE_CLASS_MENU);
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controller = gtk_event_controller_key_new ();
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g_signal_connect (controller, "focus-out", G_CALLBACK (focus_out), popover);
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gtk_widget_add_controller (GTK_WIDGET (popover), controller);
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controller = gtk_event_controller_motion_new ();
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g_signal_connect (controller, "leave", G_CALLBACK (leave_cb), popover);
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gtk_widget_add_controller (GTK_WIDGET (popover), controller);
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}
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static void
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gtk_popover_menu_dispose (GObject *object)
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{
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GtkPopoverMenu *popover = GTK_POPOVER_MENU (object);
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g_clear_object (&popover->model);
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G_OBJECT_CLASS (gtk_popover_menu_parent_class)->dispose (object);
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}
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static void
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gtk_popover_menu_map (GtkWidget *widget)
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{
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gtk_popover_menu_open_submenu (GTK_POPOVER_MENU (widget), "main");
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GTK_WIDGET_CLASS (gtk_popover_menu_parent_class)->map (widget);
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}
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static void
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gtk_popover_menu_unmap (GtkWidget *widget)
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{
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GTK_WIDGET_CLASS (gtk_popover_menu_parent_class)->unmap (widget);
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gtk_popover_menu_open_submenu (GTK_POPOVER_MENU (widget), "main");
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}
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static void
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gtk_popover_menu_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GtkWidget *stack;
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stack = gtk_bin_get_child (GTK_BIN (object));
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switch (property_id)
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{
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case PROP_VISIBLE_SUBMENU:
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g_value_set_string (value, gtk_stack_get_visible_child_name (GTK_STACK (stack)));
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break;
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case PROP_MENU_MODEL:
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g_value_set_object (value, gtk_popover_menu_get_menu_model (GTK_POPOVER_MENU (object)));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gtk_popover_menu_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GtkWidget *stack;
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stack = gtk_bin_get_child (GTK_BIN (object));
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switch (property_id)
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{
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case PROP_VISIBLE_SUBMENU:
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gtk_stack_set_visible_child_name (GTK_STACK (stack), g_value_get_string (value));
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break;
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case PROP_MENU_MODEL:
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gtk_popover_menu_set_menu_model (GTK_POPOVER_MENU (object), g_value_get_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static gboolean
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gtk_popover_menu_focus (GtkWidget *widget,
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GtkDirectionType direction)
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{
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if (gtk_widget_get_first_child (widget) == NULL)
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{
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return FALSE;
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}
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else
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{
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if (GTK_POPOVER_MENU (widget)->open_submenu)
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{
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if (gtk_widget_child_focus (GTK_POPOVER_MENU (widget)->open_submenu, direction))
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return TRUE;
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if (direction == GTK_DIR_LEFT)
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{
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gtk_widget_grab_focus (GTK_POPOVER_MENU (widget)->active_item);
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return TRUE;
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}
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return FALSE;
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}
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if (gtk_widget_focus_move (widget, direction))
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return TRUE;
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if (direction == GTK_DIR_LEFT || direction == GTK_DIR_RIGHT)
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{
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/* If we are part of a menubar, we want to let the
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* menubar use left/right arrows for cycling, else
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* we eat them.
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*/
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if (gtk_widget_get_ancestor (widget, GTK_TYPE_POPOVER_MENU_BAR) ||
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(gtk_popover_menu_get_parent_menu (GTK_POPOVER_MENU (widget)) &&
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direction == GTK_DIR_LEFT))
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return FALSE;
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else
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return TRUE;
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}
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else if (direction == GTK_DIR_UP || direction == GTK_DIR_DOWN)
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{
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GtkWidget *p;
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/* cycle around */
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for (p = gtk_window_get_focus (GTK_WINDOW (gtk_widget_get_root (widget)));
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p != widget;
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p = gtk_widget_get_parent (p))
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{
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gtk_widget_set_focus_child (p, NULL);
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}
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if (gtk_widget_focus_move (widget, direction))
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return TRUE;
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}
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}
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return FALSE;
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}
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static void
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add_tab_bindings (GtkBindingSet *binding_set,
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GdkModifierType modifiers,
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GtkDirectionType direction)
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{
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gtk_binding_entry_add_signal (binding_set, GDK_KEY_Tab, modifiers,
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"move-focus", 1,
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GTK_TYPE_DIRECTION_TYPE, direction);
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gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Tab, modifiers,
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"move-focus", 1,
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GTK_TYPE_DIRECTION_TYPE, direction);
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}
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static void
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add_arrow_bindings (GtkBindingSet *binding_set,
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guint keysym,
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GtkDirectionType direction)
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{
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guint keypad_keysym = keysym - GDK_KEY_Left + GDK_KEY_KP_Left;
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gtk_binding_entry_add_signal (binding_set, keysym, 0,
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"move-focus", 1,
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GTK_TYPE_DIRECTION_TYPE, direction);
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gtk_binding_entry_add_signal (binding_set, keysym, GDK_CONTROL_MASK,
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"move-focus", 1,
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GTK_TYPE_DIRECTION_TYPE, direction);
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gtk_binding_entry_add_signal (binding_set, keypad_keysym, 0,
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"move-focus", 1,
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GTK_TYPE_DIRECTION_TYPE, direction);
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gtk_binding_entry_add_signal (binding_set, keypad_keysym, GDK_CONTROL_MASK,
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"move-focus", 1,
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GTK_TYPE_DIRECTION_TYPE, direction);
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}
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static void
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gtk_popover_menu_class_init (GtkPopoverMenuClass *klass)
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{
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkBindingSet *binding_set;
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object_class->dispose = gtk_popover_menu_dispose;
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object_class->set_property = gtk_popover_menu_set_property;
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object_class->get_property = gtk_popover_menu_get_property;
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widget_class->map = gtk_popover_menu_map;
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widget_class->unmap = gtk_popover_menu_unmap;
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widget_class->focus = gtk_popover_menu_focus;
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g_object_class_install_property (object_class,
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PROP_VISIBLE_SUBMENU,
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g_param_spec_string ("visible-submenu",
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P_("Visible submenu"),
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P_("The name of the visible submenu"),
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NULL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class,
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PROP_MENU_MODEL,
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g_param_spec_object ("menu-model",
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P_("Menu model"),
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P_("The model from which the menu is made."),
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G_TYPE_MENU_MODEL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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binding_set = gtk_binding_set_by_class (klass);
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add_arrow_bindings (binding_set, GDK_KEY_Up, GTK_DIR_UP);
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add_arrow_bindings (binding_set, GDK_KEY_Down, GTK_DIR_DOWN);
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add_arrow_bindings (binding_set, GDK_KEY_Left, GTK_DIR_LEFT);
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add_arrow_bindings (binding_set, GDK_KEY_Right, GTK_DIR_RIGHT);
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add_tab_bindings (binding_set, 0, GTK_DIR_TAB_FORWARD);
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add_tab_bindings (binding_set, GDK_CONTROL_MASK, GTK_DIR_TAB_FORWARD);
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add_tab_bindings (binding_set, GDK_SHIFT_MASK, GTK_DIR_TAB_BACKWARD);
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add_tab_bindings (binding_set, GDK_CONTROL_MASK | GDK_SHIFT_MASK, GTK_DIR_TAB_BACKWARD);
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gtk_binding_entry_add_signal (binding_set, GDK_KEY_Return, 0,
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"activate-default", 0);
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gtk_binding_entry_add_signal (binding_set, GDK_KEY_ISO_Enter, 0,
|
|
"activate-default", 0);
|
|
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Enter, 0,
|
|
"activate-default", 0);
|
|
gtk_binding_entry_add_signal (binding_set, GDK_KEY_space, 0,
|
|
"activate-default", 0);
|
|
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Space, 0,
|
|
"activate-default", 0);
|
|
}
|
|
|
|
/**
|
|
* gtk_popover_menu_new:
|
|
* @relative_to: (allow-none): #GtkWidget the popover is related to
|
|
*
|
|
* Creates a new popover menu.
|
|
*
|
|
* Returns: a new #GtkPopoverMenu
|
|
*/
|
|
GtkWidget *
|
|
gtk_popover_menu_new (GtkWidget *relative_to)
|
|
{
|
|
GtkWidget *popover;
|
|
|
|
g_return_val_if_fail (relative_to == NULL || GTK_IS_WIDGET (relative_to), NULL);
|
|
|
|
popover = g_object_new (GTK_TYPE_POPOVER_MENU,
|
|
"relative-to", relative_to,
|
|
"autohide", TRUE,
|
|
NULL);
|
|
|
|
return popover;
|
|
}
|
|
|
|
/**
|
|
* gtk_popover_menu_open_submenu:
|
|
* @popover: a #GtkPopoverMenu
|
|
* @name: the name of the menu to switch to
|
|
*
|
|
* Opens a submenu of the @popover. The @name
|
|
* must be one of the names given to the submenus
|
|
* of @popover with #GtkPopoverMenu:submenu, or
|
|
* "main" to switch back to the main menu.
|
|
*
|
|
* #GtkModelButton will open submenus automatically
|
|
* when the #GtkModelButton:menu-name property is set,
|
|
* so this function is only needed when you are using
|
|
* other kinds of widgets to initiate menu changes.
|
|
*/
|
|
void
|
|
gtk_popover_menu_open_submenu (GtkPopoverMenu *popover,
|
|
const gchar *name)
|
|
{
|
|
GtkWidget *stack;
|
|
|
|
g_return_if_fail (GTK_IS_POPOVER_MENU (popover));
|
|
|
|
stack = gtk_bin_get_child (GTK_BIN (popover));
|
|
gtk_stack_set_visible_child_name (GTK_STACK (stack), name);
|
|
}
|
|
|
|
void
|
|
gtk_popover_menu_add_submenu (GtkPopoverMenu *popover,
|
|
GtkWidget *submenu,
|
|
const char *name)
|
|
{
|
|
GtkWidget *stack;
|
|
|
|
stack = gtk_bin_get_child (GTK_BIN (popover));
|
|
gtk_stack_add_named (GTK_STACK (stack), submenu, name);
|
|
}
|
|
|
|
/**
|
|
* gtk_popover_menu_new_from_model:
|
|
* @relative_to: (allow-none): #GtkWidget the popover is related to
|
|
* @model: (allow-none): a #GMenuModel, or %NULL
|
|
*
|
|
* Creates a #GtkPopoverMenu and populates it according to
|
|
* @model. The popover is pointed to the @relative_to widget.
|
|
*
|
|
* The created buttons are connected to actions found in the
|
|
* #GtkApplicationWindow to which the popover belongs - typically
|
|
* by means of being attached to a widget that is contained within
|
|
* the #GtkApplicationWindows widget hierarchy.
|
|
*
|
|
* Actions can also be added using gtk_widget_insert_action_group()
|
|
* on the menus attach widget or on any of its parent widgets.
|
|
*
|
|
* This function creates menus with sliding submenus.
|
|
* See gtk_popover_menu_new_from_model_full() for a way
|
|
* to control this.
|
|
*
|
|
* Returns: the new #GtkPopoverMenu
|
|
*/
|
|
GtkWidget *
|
|
gtk_popover_menu_new_from_model (GtkWidget *relative_to,
|
|
GMenuModel *model)
|
|
|
|
{
|
|
return gtk_popover_menu_new_from_model_full (relative_to, model, 0);
|
|
}
|
|
|
|
/**
|
|
* gtk_popover_menu_new_from_model_full:
|
|
* @relative_to: (allow-none): #GtkWidget the popover is related to
|
|
* @model: a #GMenuModel
|
|
* @flags: flags that affect how the menu is created
|
|
*
|
|
* Creates a #GtkPopoverMenu and populates it according to
|
|
* @model. The popover is pointed to the @relative_to widget.
|
|
*
|
|
* The created buttons are connected to actions found in the
|
|
* #GtkApplicationWindow to which the popover belongs - typically
|
|
* by means of being attached to a widget that is contained within
|
|
* the #GtkApplicationWindows widget hierarchy.
|
|
*
|
|
* Actions can also be added using gtk_widget_insert_action_group()
|
|
* on the menus attach widget or on any of its parent widgets.
|
|
*
|
|
* The only flag that is supported currently is
|
|
* #GTK_POPOVER_MENU_NESTED, which makes GTK create traditional,
|
|
* nested submenus instead of the default sliding submenus.
|
|
*
|
|
* Returns: (transfer full): the new #GtkPopoverMenu
|
|
*/
|
|
GtkWidget *
|
|
gtk_popover_menu_new_from_model_full (GtkWidget *relative_to,
|
|
GMenuModel *model,
|
|
GtkPopoverMenuFlags flags)
|
|
{
|
|
GtkWidget *popover;
|
|
|
|
g_return_val_if_fail (relative_to == NULL || GTK_IS_WIDGET (relative_to), NULL);
|
|
g_return_val_if_fail (model == NULL || G_IS_MENU_MODEL (model), NULL);
|
|
|
|
popover = gtk_popover_menu_new (relative_to);
|
|
GTK_POPOVER_MENU (popover)->flags = flags;
|
|
gtk_popover_menu_set_menu_model (GTK_POPOVER_MENU (popover), model);
|
|
|
|
return popover;
|
|
}
|
|
|
|
void
|
|
gtk_popover_menu_set_menu_model (GtkPopoverMenu *popover,
|
|
GMenuModel *model)
|
|
{
|
|
g_return_if_fail (GTK_IS_POPOVER_MENU (popover));
|
|
g_return_if_fail (model == NULL || G_IS_MENU_MODEL (model));
|
|
|
|
if (g_set_object (&popover->model, model))
|
|
{
|
|
GtkWidget *stack;
|
|
GtkWidget *child;
|
|
|
|
stack = gtk_bin_get_child (GTK_BIN (popover));
|
|
while ((child = gtk_widget_get_first_child (stack)))
|
|
gtk_widget_destroy (child);
|
|
|
|
if (model)
|
|
gtk_menu_section_box_new_toplevel (popover, model, popover->flags);
|
|
|
|
g_object_notify (G_OBJECT (popover), "menu-model");
|
|
}
|
|
}
|
|
|
|
GMenuModel *
|
|
gtk_popover_menu_get_menu_model (GtkPopoverMenu *popover)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_POPOVER_MENU (popover), NULL);
|
|
|
|
return popover->model;
|
|
}
|