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gtk/gtk/gtkmenu.h
Matthias Clasen 8463d0ee62 GtkMenuPositionFunc: Correct annotations 
x and y are inout, not just out.

https://bugzilla.gnome.org/show_bug.cgi?id=674537
2014-12-09 22:56:39 -05:00

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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef __GTK_MENU_H__
#define __GTK_MENU_H__
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include <gtk/gtkaccelgroup.h>
#include <gtk/gtkmenushell.h>
G_BEGIN_DECLS
#define GTK_TYPE_MENU (gtk_menu_get_type ())
#define GTK_MENU(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_MENU, GtkMenu))
#define GTK_MENU_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_MENU, GtkMenuClass))
#define GTK_IS_MENU(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_MENU))
#define GTK_IS_MENU_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_MENU))
#define GTK_MENU_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_MENU, GtkMenuClass))
typedef struct _GtkMenu GtkMenu;
typedef struct _GtkMenuClass GtkMenuClass;
typedef struct _GtkMenuPrivate GtkMenuPrivate;
/**
* GtkArrowPlacement:
* @GTK_ARROWS_BOTH: Place one arrow on each end of the menu.
* @GTK_ARROWS_START: Place both arrows at the top of the menu.
* @GTK_ARROWS_END: Place both arrows at the bottom of the menu.
*
* Used to specify the placement of scroll arrows in scrolling menus.
*/
typedef enum
{
GTK_ARROWS_BOTH,
GTK_ARROWS_START,
GTK_ARROWS_END
} GtkArrowPlacement;
/**
* GtkMenuPositionFunc:
* @menu: a #GtkMenu.
* @x: (inout): address of the #gint representing the horizontal
* position where the menu shall be drawn.
* @y: (inout): address of the #gint representing the vertical position
* where the menu shall be drawn. This is an output parameter.
* @push_in: (out): This parameter controls how menus placed outside
* the monitor are handled. If this is set to %TRUE and part of
* the menu is outside the monitor then GTK+ pushes the window
* into the visible area, effectively modifying the popup
* position. Note that moving and possibly resizing the menu
* around will alter the scroll position to keep the menu items
* “in place”, i.e. at the same monitor position they would have
* been without resizing. In practice, this behavior is only
* useful for combobox popups or option menus and cannot be used
* to simply confine a menu to monitor boundaries. In that case,
* changing the scroll offset is not desirable.
* @user_data: the data supplied by the user in the gtk_menu_popup()
* @data parameter.
*
* A user function supplied when calling gtk_menu_popup() which
* controls the positioning of the menu when it is displayed. The
* function sets the @x and @y parameters to the coordinates where the
* menu is to be drawn. To make the menu appear on a different
* monitor than the mouse pointer, gtk_menu_set_monitor() must be
* called.
*/
typedef void (*GtkMenuPositionFunc) (GtkMenu *menu,
gint *x,
gint *y,
gboolean *push_in,
gpointer user_data);
/**
* GtkMenuDetachFunc:
* @attach_widget: the #GtkWidget that the menu is being detached from.
* @menu: the #GtkMenu being detached.
*
* A user function supplied when calling gtk_menu_attach_to_widget() which
* will be called when the menu is later detached from the widget.
*/
typedef void (*GtkMenuDetachFunc) (GtkWidget *attach_widget,
GtkMenu *menu);
struct _GtkMenu
{
GtkMenuShell menu_shell;
/*< private >*/
GtkMenuPrivate *priv;
};
struct _GtkMenuClass
{
GtkMenuShellClass parent_class;
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
};
GDK_AVAILABLE_IN_ALL
GType gtk_menu_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_menu_new (void);
GDK_AVAILABLE_IN_3_4
GtkWidget* gtk_menu_new_from_model (GMenuModel *model);
/* Display the menu onscreen */
GDK_AVAILABLE_IN_ALL
void gtk_menu_popup (GtkMenu *menu,
GtkWidget *parent_menu_shell,
GtkWidget *parent_menu_item,
GtkMenuPositionFunc func,
gpointer data,
guint button,
guint32 activate_time);
GDK_AVAILABLE_IN_ALL
void gtk_menu_popup_for_device (GtkMenu *menu,
GdkDevice *device,
GtkWidget *parent_menu_shell,
GtkWidget *parent_menu_item,
GtkMenuPositionFunc func,
gpointer data,
GDestroyNotify destroy,
guint button,
guint32 activate_time);
/* Position the menu according to its position function. Called
* from gtkmenuitem.c when a menu-item changes its allocation
*/
GDK_AVAILABLE_IN_ALL
void gtk_menu_reposition (GtkMenu *menu);
GDK_AVAILABLE_IN_ALL
void gtk_menu_popdown (GtkMenu *menu);
/* Keep track of the last menu item selected. (For the purposes
* of the option menu
*/
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_menu_get_active (GtkMenu *menu);
GDK_AVAILABLE_IN_ALL
void gtk_menu_set_active (GtkMenu *menu,
guint index);
/* set/get the accelerator group that holds global accelerators (should
* be added to the corresponding toplevel with gtk_window_add_accel_group().
*/
GDK_AVAILABLE_IN_ALL
void gtk_menu_set_accel_group (GtkMenu *menu,
GtkAccelGroup *accel_group);
GDK_AVAILABLE_IN_ALL
GtkAccelGroup* gtk_menu_get_accel_group (GtkMenu *menu);
GDK_AVAILABLE_IN_ALL
void gtk_menu_set_accel_path (GtkMenu *menu,
const gchar *accel_path);
GDK_AVAILABLE_IN_ALL
const gchar* gtk_menu_get_accel_path (GtkMenu *menu);
/* A reference count is kept for a widget when it is attached to
* a particular widget. This is typically a menu item; it may also
* be a widget with a popup menu - for instance, the Notebook widget.
*/
GDK_AVAILABLE_IN_ALL
void gtk_menu_attach_to_widget (GtkMenu *menu,
GtkWidget *attach_widget,
GtkMenuDetachFunc detacher);
GDK_AVAILABLE_IN_ALL
void gtk_menu_detach (GtkMenu *menu);
/* This should be dumped in favor of data set when the menu is popped
* up - that is currently in the ItemFactory code, but should be
* in the Menu code.
*/
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_menu_get_attach_widget (GtkMenu *menu);
GDK_DEPRECATED_IN_3_10
void gtk_menu_set_tearoff_state (GtkMenu *menu,
gboolean torn_off);
GDK_DEPRECATED_IN_3_10
gboolean gtk_menu_get_tearoff_state (GtkMenu *menu);
/* This sets the window manager title for the window that
* appears when a menu is torn off
*/
GDK_DEPRECATED_IN_3_10
void gtk_menu_set_title (GtkMenu *menu,
const gchar *title);
GDK_DEPRECATED_IN_3_10
const gchar * gtk_menu_get_title (GtkMenu *menu);
GDK_AVAILABLE_IN_ALL
void gtk_menu_reorder_child (GtkMenu *menu,
GtkWidget *child,
gint position);
GDK_AVAILABLE_IN_ALL
void gtk_menu_set_screen (GtkMenu *menu,
GdkScreen *screen);
GDK_AVAILABLE_IN_ALL
void gtk_menu_attach (GtkMenu *menu,
GtkWidget *child,
guint left_attach,
guint right_attach,
guint top_attach,
guint bottom_attach);
GDK_AVAILABLE_IN_ALL
void gtk_menu_set_monitor (GtkMenu *menu,
gint monitor_num);
GDK_AVAILABLE_IN_ALL
gint gtk_menu_get_monitor (GtkMenu *menu);
GDK_AVAILABLE_IN_ALL
GList* gtk_menu_get_for_attach_widget (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_menu_set_reserve_toggle_size (GtkMenu *menu,
gboolean reserve_toggle_size);
GDK_AVAILABLE_IN_ALL
gboolean gtk_menu_get_reserve_toggle_size (GtkMenu *menu);
G_END_DECLS
#endif /* __GTK_MENU_H__ */
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