gtk2/gtk/gtkmenuprivate.h
Carlos Garnacho 47f9435e99 menus: Implement scrolling through event capture for touch devices
This makes overflown menus scrollable via direct manipulation.
Once past the threshold, the item below the pointer is unselected
and scrolling starts.
2012-03-01 16:25:23 -05:00

138 lines
3.4 KiB
C

/* 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_PRIVATE_H__
#define __GTK_MENU_PRIVATE_H__
#include <gtk/gtkmenu.h>
G_BEGIN_DECLS
/* Directions for submenus */
typedef enum
{
GTK_DIRECTION_LEFT,
GTK_DIRECTION_RIGHT
} GtkSubmenuDirection;
/* Placement of submenus */
typedef enum
{
GTK_TOP_BOTTOM,
GTK_LEFT_RIGHT
} GtkSubmenuPlacement;
struct _GtkMenuPrivate
{
GtkWidget *parent_menu_item;
GtkWidget *old_active_menu_item;
GtkAccelGroup *accel_group;
gchar *accel_path;
GtkMenuPositionFunc position_func;
gpointer position_func_data;
GDestroyNotify position_func_data_destroy;
gint position_x;
gint position_y;
guint toggle_size;
guint accel_size;
/* Do _not_ touch these widgets directly. We hide the reference
* count from the toplevel to the menu, so it must be restored
* before operating on these widgets
*/
GtkWidget *toplevel;
GtkWidget *tearoff_window;
GtkWidget *tearoff_hbox;
GtkWidget *tearoff_scrollbar;
GtkAdjustment *tearoff_adjustment;
GdkWindow *view_window;
GdkWindow *bin_window;
gint scroll_offset;
gint saved_scroll_offset;
gint scroll_step;
guint scroll_timeout;
guint needs_destruction_ref : 1;
guint torn_off : 1;
/* The tearoff is active when it is torn off and the not-torn-off
* menu is not popped up.
*/
guint tearoff_active : 1;
guint scroll_fast : 1;
guint upper_arrow_visible : 1;
guint lower_arrow_visible : 1;
guint upper_arrow_prelight : 1;
guint lower_arrow_prelight : 1;
guint have_position : 1;
guint have_layout : 1;
guint seen_item_enter : 1;
guint ignore_button_release : 1;
guint no_toggle_size : 1;
guint drag_already_pressed : 1;
guint drag_scroll_started : 1;
/* info used for the table */
guint *heights;
gint heights_length;
gint requested_height;
gboolean initially_pushed_in;
gint monitor_num;
/* Cached layout information */
gint n_rows;
gint n_columns;
gchar *title;
/* Arrow states */
GtkStateFlags lower_arrow_state;
GtkStateFlags upper_arrow_state;
/* navigation region */
gint navigation_x;
gint navigation_y;
gint navigation_width;
gint navigation_height;
guint navigation_timeout;
gdouble drag_start_y;
gint initial_drag_offset;
};
G_END_DECLS
#endif /* __GTK_MENU_PRIVATE_H__ */