forked from AuroraMiddleware/gtk
267 lines
7.7 KiB
C
267 lines
7.7 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 "gtkstack.h"
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#include "gtkbox.h"
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#include "gtkintl.h"
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struct _GtkPopoverMenu
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{
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GtkPopover parent_instance;
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};
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enum {
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CHILD_PROP_SUBMENU = 1
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};
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G_DEFINE_TYPE (GtkPopoverMenu, gtk_popover_menu, GTK_TYPE_POPOVER)
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static void
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gtk_popover_menu_ensure_stack (GtkPopoverMenu *popover)
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{
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GtkWidget *stack;
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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_widget_show (stack);
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gtk_container_add (GTK_CONTAINER (popover), stack);
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}
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static GtkWidget *
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gtk_popover_menu_ensure_submenu (GtkPopoverMenu *popover,
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const gchar *name)
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{
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GtkWidget *stack;
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GtkWidget *submenu;
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stack = gtk_bin_get_child (GTK_BIN (popover));
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submenu = gtk_stack_get_child_by_name (GTK_STACK (stack), name);
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if (submenu == NULL)
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{
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submenu = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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gtk_widget_set_halign (submenu, GTK_ALIGN_FILL);
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g_object_set (submenu, "margin", 10, NULL);
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gtk_widget_show (submenu);
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gtk_stack_add_named (GTK_STACK (stack), submenu, name);
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}
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return submenu;
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}
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static void
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gtk_popover_menu_set_submenu (GtkPopoverMenu *popover,
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GtkWidget *child,
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const gchar *name)
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{
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const gchar *old_name;
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GtkWidget *submenu;
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old_name = g_object_get_data (G_OBJECT (child), "GtkPopoverMenu:submenu");
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if (g_strcmp0 (old_name, name) == 0)
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return;
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submenu = gtk_popover_menu_ensure_submenu (popover, name);
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g_object_ref (child);
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gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (child)), child);
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gtk_container_add (GTK_CONTAINER (submenu), child);
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g_object_unref (child);
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g_object_set_data_full (G_OBJECT (child), "GtkPopoverMenu:submenu", g_strdup (name), g_free);
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gtk_container_child_notify (GTK_CONTAINER (popover), child, "submenu");
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}
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static const gchar *
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gtk_popover_menu_get_submenu (GtkPopoverMenu *popover,
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GtkWidget *child)
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{
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return (const gchar *)g_object_get_data (G_OBJECT (child), "GtkPopoverMenu:submenu");
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}
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static void
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gtk_popover_menu_add_item (GtkPopoverMenu *popover,
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GtkWidget *item)
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{
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const gchar *name;
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GtkWidget *submenu;
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name = gtk_popover_menu_get_submenu (popover, item);
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if (name == NULL)
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name = "main";
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submenu = gtk_popover_menu_ensure_submenu (popover, name);
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gtk_container_add (GTK_CONTAINER (submenu), item);
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}
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static void
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gtk_popover_menu_remove_item (GtkPopoverMenu *popover,
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GtkWidget *item)
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{
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const gchar *name;
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GtkWidget *submenu;
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GList *children;
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name = gtk_popover_menu_get_submenu (popover, item);
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if (name == NULL)
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name = "main";
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submenu = gtk_popover_menu_ensure_submenu (popover, name);
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g_assert (submenu == gtk_widget_get_parent (item));
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gtk_container_remove (GTK_CONTAINER (submenu), item);
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children = gtk_container_get_children (GTK_CONTAINER (submenu));
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if (children == NULL)
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gtk_container_remove (GTK_CONTAINER (gtk_bin_get_child (GTK_BIN (popover))), submenu);
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else
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g_list_free (children);
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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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gtk_popover_menu_ensure_stack (popover);
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gtk_popover_menu_ensure_submenu (popover, "main");
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}
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static void
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back_to_main (GtkWidget *popover)
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{
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GtkWidget *stack;
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stack = gtk_bin_get_child (GTK_BIN (popover));
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gtk_stack_set_visible_child_name (GTK_STACK (stack), "main");
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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_WIDGET_CLASS (gtk_popover_menu_parent_class)->map (widget);
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back_to_main (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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back_to_main (widget);
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GTK_WIDGET_CLASS (gtk_popover_menu_parent_class)->unmap (widget);
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}
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static void
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gtk_popover_menu_add (GtkContainer *container,
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GtkWidget *child)
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{
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if (!gtk_bin_get_child (GTK_BIN (container)))
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{
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gtk_widget_set_parent (child, GTK_WIDGET (container));
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_gtk_bin_set_child (GTK_BIN (container), child);
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}
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else
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gtk_popover_menu_add_item (GTK_POPOVER_MENU (container), child);
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}
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static void
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gtk_popover_menu_remove (GtkContainer *container,
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GtkWidget *child)
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{
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if (child == gtk_bin_get_child (GTK_BIN (container)))
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GTK_CONTAINER_CLASS (gtk_popover_menu_parent_class)->remove (container, child);
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else
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gtk_popover_menu_remove_item (GTK_POPOVER_MENU (container), child);
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}
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static void
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gtk_popover_menu_get_child_property (GtkContainer *container,
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GtkWidget *child,
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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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if (child == gtk_bin_get_child (GTK_BIN (container)))
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return;
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switch (property_id)
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{
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case CHILD_PROP_SUBMENU:
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g_value_set_string (value, gtk_popover_menu_get_submenu (GTK_POPOVER_MENU (container), child));
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break;
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default:
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GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, 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_child_property (GtkContainer *container,
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GtkWidget *child,
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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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if (child == gtk_bin_get_child (GTK_BIN (container)))
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return;
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switch (property_id)
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{
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case CHILD_PROP_SUBMENU:
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gtk_popover_menu_set_submenu (GTK_POPOVER_MENU (container), child, g_value_get_string (value));
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break;
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default:
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GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, 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_class_init (GtkPopoverMenuClass *klass)
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{
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GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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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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container_class->add = gtk_popover_menu_add;
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container_class->remove = gtk_popover_menu_remove;
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container_class->set_child_property = gtk_popover_menu_set_child_property;
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container_class->get_child_property = gtk_popover_menu_get_child_property;
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gtk_container_class_install_child_property (container_class,
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CHILD_PROP_SUBMENU,
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g_param_spec_string ("submenu",
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P_("Submenu"),
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P_("The name of the submenu to place this child in"),
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NULL,
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G_PARAM_READWRITE));
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}
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GtkWidget *
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gtk_popover_menu_new (void)
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{
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return g_object_new (GTK_TYPE_POPOVER_MENU, NULL);
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}
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