47f9435e99
This makes overflown menus scrollable via direct manipulation. Once past the threshold, the item below the pointer is unselected and scrolling starts.
138 lines
3.4 KiB
C
138 lines
3.4 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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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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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#ifndef __GTK_MENU_PRIVATE_H__
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#define __GTK_MENU_PRIVATE_H__
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#include <gtk/gtkmenu.h>
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G_BEGIN_DECLS
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/* Directions for submenus */
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typedef enum
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{
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GTK_DIRECTION_LEFT,
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GTK_DIRECTION_RIGHT
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} GtkSubmenuDirection;
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/* Placement of submenus */
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typedef enum
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{
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GTK_TOP_BOTTOM,
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GTK_LEFT_RIGHT
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} GtkSubmenuPlacement;
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struct _GtkMenuPrivate
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{
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GtkWidget *parent_menu_item;
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GtkWidget *old_active_menu_item;
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GtkAccelGroup *accel_group;
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gchar *accel_path;
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GtkMenuPositionFunc position_func;
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gpointer position_func_data;
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GDestroyNotify position_func_data_destroy;
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gint position_x;
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gint position_y;
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guint toggle_size;
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guint accel_size;
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/* Do _not_ touch these widgets directly. We hide the reference
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* count from the toplevel to the menu, so it must be restored
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* before operating on these widgets
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*/
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GtkWidget *toplevel;
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GtkWidget *tearoff_window;
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GtkWidget *tearoff_hbox;
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GtkWidget *tearoff_scrollbar;
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GtkAdjustment *tearoff_adjustment;
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GdkWindow *view_window;
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GdkWindow *bin_window;
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gint scroll_offset;
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gint saved_scroll_offset;
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gint scroll_step;
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guint scroll_timeout;
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guint needs_destruction_ref : 1;
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guint torn_off : 1;
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/* The tearoff is active when it is torn off and the not-torn-off
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* menu is not popped up.
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*/
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guint tearoff_active : 1;
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guint scroll_fast : 1;
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guint upper_arrow_visible : 1;
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guint lower_arrow_visible : 1;
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guint upper_arrow_prelight : 1;
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guint lower_arrow_prelight : 1;
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guint have_position : 1;
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guint have_layout : 1;
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guint seen_item_enter : 1;
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guint ignore_button_release : 1;
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guint no_toggle_size : 1;
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guint drag_already_pressed : 1;
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guint drag_scroll_started : 1;
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/* info used for the table */
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guint *heights;
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gint heights_length;
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gint requested_height;
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gboolean initially_pushed_in;
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gint monitor_num;
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/* Cached layout information */
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gint n_rows;
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gint n_columns;
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gchar *title;
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/* Arrow states */
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GtkStateFlags lower_arrow_state;
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GtkStateFlags upper_arrow_state;
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/* navigation region */
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gint navigation_x;
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gint navigation_y;
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gint navigation_width;
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gint navigation_height;
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guint navigation_timeout;
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gdouble drag_start_y;
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gint initial_drag_offset;
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};
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G_END_DECLS
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#endif /* __GTK_MENU_PRIVATE_H__ */
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