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GtkPopoverMenu: Add API to open a submenu

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This allows alternative menu switching to be implemented, besides
the builtin GtkModelButton support.
This commit is contained in:
Matthias Clasen 2014-10-26 19:14:01 -04:00
parent f83c903ed8
commit 0b4c37624a
3 changed files with 37 additions and 11 deletions
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1
docs/reference/gtk/gtk3-sections.txt
View File

@ -7960,6 +7960,7 @@ gtk_popover_get_modal
<TITLE>GtkPopoverMenu</TITLE>
GtkPopoverMenu
gtk_popover_menu_new
gtk_popover_menu_open_submenu
</SECTION>
<SECTION>

42
gtk/gtkpopovermenu.c
View File

@ -121,26 +121,17 @@ gtk_popover_menu_init (GtkPopoverMenu *popover)
gtk_container_add (GTK_CONTAINER (popover), stack);
}
static void
back_to_main (GtkWidget *popover)
{
GtkWidget *stack;
stack = gtk_bin_get_child (GTK_BIN (popover));
gtk_stack_set_visible_child_name (GTK_STACK (stack), "main");
}
static void
gtk_popover_menu_map (GtkWidget *widget)
{
GTK_WIDGET_CLASS (gtk_popover_menu_parent_class)->map (widget);
back_to_main (widget);
gtk_popover_menu_open_submenu (GTK_POPOVER_MENU (widget), "main");
}
static void
gtk_popover_menu_unmap (GtkWidget *widget)
{
back_to_main (widget);
gtk_popover_menu_open_submenu (GTK_POPOVER_MENU (widget), "main");
GTK_WIDGET_CLASS (gtk_popover_menu_parent_class)->unmap (widget);
}
@ -291,3 +282,32 @@ gtk_popover_menu_new (void)
{
return g_object_new (GTK_TYPE_POPOVER_MENU, NULL);
}
/**
* 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.
*
* Since: 3.16
*/
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);
}

5
gtk/gtkpopovermenu.h
View File

@ -52,6 +52,11 @@ GType gtk_popover_menu_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_3_16
GtkWidget * gtk_popover_menu_new (void);
GDK_AVAILABLE_IN_3_16
void gtk_popover_menu_open_submenu (GtkPopoverMenu *popover,
const gchar *name);
G_END_DECLS
#endif /* __GTK_POPOVER_MENU_H__ */