mutter/src/meta/prefs.h

456 lines
18 KiB
C

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* Mutter preferences */
/*
* Copyright (C) 2001 Havoc Pennington
* Copyright (C) 2006 Elijah Newren
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef META_PREFS_H
#define META_PREFS_H
/* This header is a "common" one between the UI and core side */
#include <meta/common.h>
#include <meta/types.h>
#include <pango/pango-font.h>
#include <gdesktop-enums.h>
#include <gio/gio.h>
/**
* MetaPreference:
* @META_PREF_MOUSE_BUTTON_MODS: mouse button modifiers
* @META_PREF_FOCUS_MODE: focus mode
* @META_PREF_FOCUS_NEW_WINDOWS: focus new windows
* @META_PREF_ATTACH_MODAL_DIALOGS: attach modal dialogs
* @META_PREF_RAISE_ON_CLICK: raise on click
* @META_PREF_ACTION_DOUBLE_CLICK_TITLEBAR: action double click titlebar
* @META_PREF_ACTION_MIDDLE_CLICK_TITLEBAR: action middle click titlebar
* @META_PREF_ACTION_RIGHT_CLICK_TITLEBAR: action right click titlebar
* @META_PREF_AUTO_RAISE: auto-raise
* @META_PREF_AUTO_RAISE_DELAY: auto-raise delay
* @META_PREF_FOCUS_CHANGE_ON_POINTER_REST: focus change on pointer rest
* @META_PREF_THEME: theme
* @META_PREF_TITLEBAR_FONT: title-bar font
* @META_PREF_NUM_WORKSPACES: number of workspaces
* @META_PREF_DYNAMIC_WORKSPACES: dynamic workspaces
* @META_PREF_KEYBINDINGS: keybindings
* @META_PREF_DISABLE_WORKAROUNDS: disable workarounds
* @META_PREF_BUTTON_LAYOUT: button layout
* @META_PREF_WORKSPACE_NAMES: workspace names
* @META_PREF_VISUAL_BELL: visual bell
* @META_PREF_AUDIBLE_BELL: audible bell
* @META_PREF_VISUAL_BELL_TYPE: visual bell type
* @META_PREF_GNOME_ACCESSIBILITY: GNOME accessibility
* @META_PREF_GNOME_ANIMATIONS: GNOME animations
* @META_PREF_CURSOR_THEME: cursor theme
* @META_PREF_CURSOR_SIZE: cursor size
* @META_PREF_RESIZE_WITH_RIGHT_BUTTON: resize with right button
* @META_PREF_EDGE_TILING: edge tiling
* @META_PREF_FORCE_FULLSCREEN: force fullscreen
* @META_PREF_WORKSPACES_ONLY_ON_PRIMARY: workspaces only on primary
* @META_PREF_NO_TAB_POPUP: no tab popup
* @META_PREF_DRAGGABLE_BORDER_WIDTH: draggable border width
* @META_PREF_AUTO_MAXIMIZE: auto-maximize
*/
/* Keep in sync with GSettings schemas! */
typedef enum
{
META_PREF_MOUSE_BUTTON_MODS,
META_PREF_FOCUS_MODE,
META_PREF_FOCUS_NEW_WINDOWS,
META_PREF_ATTACH_MODAL_DIALOGS,
META_PREF_RAISE_ON_CLICK,
META_PREF_ACTION_DOUBLE_CLICK_TITLEBAR,
META_PREF_ACTION_MIDDLE_CLICK_TITLEBAR,
META_PREF_ACTION_RIGHT_CLICK_TITLEBAR,
META_PREF_AUTO_RAISE,
META_PREF_AUTO_RAISE_DELAY,
META_PREF_FOCUS_CHANGE_ON_POINTER_REST,
META_PREF_THEME,
META_PREF_TITLEBAR_FONT,
META_PREF_NUM_WORKSPACES,
META_PREF_DYNAMIC_WORKSPACES,
META_PREF_KEYBINDINGS,
META_PREF_DISABLE_WORKAROUNDS,
META_PREF_BUTTON_LAYOUT,
META_PREF_WORKSPACE_NAMES,
META_PREF_VISUAL_BELL,
META_PREF_AUDIBLE_BELL,
META_PREF_VISUAL_BELL_TYPE,
META_PREF_GNOME_ACCESSIBILITY,
META_PREF_GNOME_ANIMATIONS,
META_PREF_CURSOR_THEME,
META_PREF_CURSOR_SIZE,
META_PREF_RESIZE_WITH_RIGHT_BUTTON,
META_PREF_EDGE_TILING,
META_PREF_FORCE_FULLSCREEN,
META_PREF_WORKSPACES_ONLY_ON_PRIMARY,
META_PREF_NO_TAB_POPUP,
META_PREF_DRAGGABLE_BORDER_WIDTH,
META_PREF_AUTO_MAXIMIZE
} MetaPreference;
typedef void (* MetaPrefsChangedFunc) (MetaPreference pref,
gpointer user_data);
void meta_prefs_add_listener (MetaPrefsChangedFunc func,
gpointer user_data);
void meta_prefs_remove_listener (MetaPrefsChangedFunc func,
gpointer user_data);
void meta_prefs_init (void);
void meta_prefs_override_preference_schema (const char *key,
const char *schema);
const char* meta_preference_to_string (MetaPreference pref);
MetaVirtualModifier meta_prefs_get_mouse_button_mods (void);
gint meta_prefs_get_mouse_button_resize (void);
gint meta_prefs_get_mouse_button_menu (void);
GDesktopFocusMode meta_prefs_get_focus_mode (void);
GDesktopFocusNewWindows meta_prefs_get_focus_new_windows (void);
gboolean meta_prefs_get_attach_modal_dialogs (void);
gboolean meta_prefs_get_raise_on_click (void);
const char* meta_prefs_get_theme (void);
/* returns NULL if GTK default should be used */
const PangoFontDescription* meta_prefs_get_titlebar_font (void);
int meta_prefs_get_num_workspaces (void);
gboolean meta_prefs_get_dynamic_workspaces (void);
gboolean meta_prefs_get_disable_workarounds (void);
gboolean meta_prefs_get_auto_raise (void);
int meta_prefs_get_auto_raise_delay (void);
gboolean meta_prefs_get_focus_change_on_pointer_rest (void);
gboolean meta_prefs_get_gnome_accessibility (void);
gboolean meta_prefs_get_gnome_animations (void);
gboolean meta_prefs_get_edge_tiling (void);
gboolean meta_prefs_get_auto_maximize (void);
void meta_prefs_get_button_layout (MetaButtonLayout *button_layout);
/* Double, right, middle click can be configured to any titlebar meta-action */
GDesktopTitlebarAction meta_prefs_get_action_double_click_titlebar (void);
GDesktopTitlebarAction meta_prefs_get_action_middle_click_titlebar (void);
GDesktopTitlebarAction meta_prefs_get_action_right_click_titlebar (void);
void meta_prefs_set_num_workspaces (int n_workspaces);
const char* meta_prefs_get_workspace_name (int i);
void meta_prefs_change_workspace_name (int i,
const char *name);
const char* meta_prefs_get_cursor_theme (void);
int meta_prefs_get_cursor_size (void);
gboolean meta_prefs_get_compositing_manager (void);
gboolean meta_prefs_get_force_fullscreen (void);
void meta_prefs_set_force_fullscreen (gboolean whether);
gboolean meta_prefs_get_workspaces_only_on_primary (void);
gboolean meta_prefs_get_no_tab_popup (void);
void meta_prefs_set_no_tab_popup (gboolean whether);
int meta_prefs_get_draggable_border_width (void);
gboolean meta_prefs_get_ignore_request_hide_titlebar (void);
void meta_prefs_set_ignore_request_hide_titlebar (gboolean whether);
/**
* MetaKeyBindingAction:
* @META_KEYBINDING_ACTION_NONE: FILLME
* @META_KEYBINDING_ACTION_WORKSPACE_1: FILLME
* @META_KEYBINDING_ACTION_WORKSPACE_2: FILLME
* @META_KEYBINDING_ACTION_WORKSPACE_3: FILLME
* @META_KEYBINDING_ACTION_WORKSPACE_4: FILLME
* @META_KEYBINDING_ACTION_WORKSPACE_5: FILLME
* @META_KEYBINDING_ACTION_WORKSPACE_6: FILLME
* @META_KEYBINDING_ACTION_WORKSPACE_7: FILLME
* @META_KEYBINDING_ACTION_WORKSPACE_8: FILLME
* @META_KEYBINDING_ACTION_WORKSPACE_9: FILLME
* @META_KEYBINDING_ACTION_WORKSPACE_10: FILLME
* @META_KEYBINDING_ACTION_WORKSPACE_11: FILLME
* @META_KEYBINDING_ACTION_WORKSPACE_12: FILLME
* @META_KEYBINDING_ACTION_WORKSPACE_LEFT: FILLME
* @META_KEYBINDING_ACTION_WORKSPACE_RIGHT: FILLME
* @META_KEYBINDING_ACTION_WORKSPACE_UP: FILLME
* @META_KEYBINDING_ACTION_WORKSPACE_DOWN: FILLME
* @META_KEYBINDING_ACTION_SWITCH_APPLICATIONS: FILLME
* @META_KEYBINDING_ACTION_SWITCH_APPLICATIONS_BACKWARD: FILLME
* @META_KEYBINDING_ACTION_SWITCH_GROUP: FILLME
* @META_KEYBINDING_ACTION_SWITCH_GROUP_BACKWARD: FILLME
* @META_KEYBINDING_ACTION_SWITCH_WINDOWS: FILLME
* @META_KEYBINDING_ACTION_SWITCH_WINDOWS_BACKWARD: FILLME
* @META_KEYBINDING_ACTION_SWITCH_PANELS: FILLME
* @META_KEYBINDING_ACTION_SWITCH_PANELS_BACKWARD: FILLME
* @META_KEYBINDING_ACTION_CYCLE_GROUP: FILLME
* @META_KEYBINDING_ACTION_CYCLE_GROUP_BACKWARD: FILLME
* @META_KEYBINDING_ACTION_CYCLE_WINDOWS: FILLME
* @META_KEYBINDING_ACTION_CYCLE_WINDOWS_BACKWARD: FILLME
* @META_KEYBINDING_ACTION_CYCLE_PANELS: FILLME
* @META_KEYBINDING_ACTION_CYCLE_PANELS_BACKWARD: FILLME
* @META_KEYBINDING_ACTION_TAB_POPUP_SELECT: FILLME
* @META_KEYBINDING_ACTION_TAB_POPUP_CANCEL: FILLME
* @META_KEYBINDING_ACTION_SHOW_DESKTOP: FILLME
* @META_KEYBINDING_ACTION_PANEL_MAIN_MENU: FILLME
* @META_KEYBINDING_ACTION_PANEL_RUN_DIALOG: FILLME
* @META_KEYBINDING_ACTION_TOGGLE_RECORDING: FILLME
* @META_KEYBINDING_ACTION_SET_SPEW_MARK: FILLME
* @META_KEYBINDING_ACTION_ACTIVATE_WINDOW_MENU: FILLME
* @META_KEYBINDING_ACTION_TOGGLE_FULLSCREEN: FILLME
* @META_KEYBINDING_ACTION_TOGGLE_MAXIMIZED: FILLME
* @META_KEYBINDING_ACTION_TOGGLE_TILED_LEFT: FILLME
* @META_KEYBINDING_ACTION_TOGGLE_TILED_RIGHT: FILLME
* @META_KEYBINDING_ACTION_TOGGLE_ABOVE: FILLME
* @META_KEYBINDING_ACTION_MAXIMIZE: FILLME
* @META_KEYBINDING_ACTION_UNMAXIMIZE: FILLME
* @META_KEYBINDING_ACTION_TOGGLE_SHADED: FILLME
* @META_KEYBINDING_ACTION_MINIMIZE: FILLME
* @META_KEYBINDING_ACTION_CLOSE: FILLME
* @META_KEYBINDING_ACTION_BEGIN_MOVE: FILLME
* @META_KEYBINDING_ACTION_BEGIN_RESIZE: FILLME
* @META_KEYBINDING_ACTION_TOGGLE_ON_ALL_WORKSPACES: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_1: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_2: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_3: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_4: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_5: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_6: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_7: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_8: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_9: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_10: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_11: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_12: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_LEFT: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_RIGHT: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_UP: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_DOWN: FILLME
* @META_KEYBINDING_ACTION_RAISE_OR_LOWER: FILLME
* @META_KEYBINDING_ACTION_RAISE: FILLME
* @META_KEYBINDING_ACTION_LOWER: FILLME
* @META_KEYBINDING_ACTION_MAXIMIZE_VERTICALLY: FILLME
* @META_KEYBINDING_ACTION_MAXIMIZE_HORIZONTALLY: FILLME
* @META_KEYBINDING_ACTION_ALWAYS_ON_TOP: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_CORNER_NW: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_CORNER_NE: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_CORNER_SW: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_CORNER_SE: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_SIDE_N: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_SIDE_S: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_SIDE_E: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_SIDE_W: FILLME
* @META_KEYBINDING_ACTION_MOVE_TO_CENTER: FILLME
* @META_KEYBINDING_ACTION_OVERLAY_KEY: FILLME
* @META_KEYBINDING_ACTION_LAST: FILLME
*/
/* XXX FIXME This should be x-macroed, but isn't yet because it would be
* difficult (or perhaps impossible) to add the suffixes using the current
* system. It needs some more thought, perhaps after the current system
* evolves a little.
*/
typedef enum _MetaKeyBindingAction
{
META_KEYBINDING_ACTION_NONE,
META_KEYBINDING_ACTION_WORKSPACE_1,
META_KEYBINDING_ACTION_WORKSPACE_2,
META_KEYBINDING_ACTION_WORKSPACE_3,
META_KEYBINDING_ACTION_WORKSPACE_4,
META_KEYBINDING_ACTION_WORKSPACE_5,
META_KEYBINDING_ACTION_WORKSPACE_6,
META_KEYBINDING_ACTION_WORKSPACE_7,
META_KEYBINDING_ACTION_WORKSPACE_8,
META_KEYBINDING_ACTION_WORKSPACE_9,
META_KEYBINDING_ACTION_WORKSPACE_10,
META_KEYBINDING_ACTION_WORKSPACE_11,
META_KEYBINDING_ACTION_WORKSPACE_12,
META_KEYBINDING_ACTION_WORKSPACE_LEFT,
META_KEYBINDING_ACTION_WORKSPACE_RIGHT,
META_KEYBINDING_ACTION_WORKSPACE_UP,
META_KEYBINDING_ACTION_WORKSPACE_DOWN,
META_KEYBINDING_ACTION_SWITCH_APPLICATIONS,
META_KEYBINDING_ACTION_SWITCH_APPLICATIONS_BACKWARD,
META_KEYBINDING_ACTION_SWITCH_GROUP,
META_KEYBINDING_ACTION_SWITCH_GROUP_BACKWARD,
META_KEYBINDING_ACTION_SWITCH_WINDOWS,
META_KEYBINDING_ACTION_SWITCH_WINDOWS_BACKWARD,
META_KEYBINDING_ACTION_SWITCH_PANELS,
META_KEYBINDING_ACTION_SWITCH_PANELS_BACKWARD,
META_KEYBINDING_ACTION_CYCLE_GROUP,
META_KEYBINDING_ACTION_CYCLE_GROUP_BACKWARD,
META_KEYBINDING_ACTION_CYCLE_WINDOWS,
META_KEYBINDING_ACTION_CYCLE_WINDOWS_BACKWARD,
META_KEYBINDING_ACTION_CYCLE_PANELS,
META_KEYBINDING_ACTION_CYCLE_PANELS_BACKWARD,
META_KEYBINDING_ACTION_TAB_POPUP_SELECT,
META_KEYBINDING_ACTION_TAB_POPUP_CANCEL,
META_KEYBINDING_ACTION_SHOW_DESKTOP,
META_KEYBINDING_ACTION_PANEL_MAIN_MENU,
META_KEYBINDING_ACTION_PANEL_RUN_DIALOG,
META_KEYBINDING_ACTION_TOGGLE_RECORDING,
META_KEYBINDING_ACTION_SET_SPEW_MARK,
META_KEYBINDING_ACTION_ACTIVATE_WINDOW_MENU,
META_KEYBINDING_ACTION_TOGGLE_FULLSCREEN,
META_KEYBINDING_ACTION_TOGGLE_MAXIMIZED,
META_KEYBINDING_ACTION_TOGGLE_TILED_LEFT,
META_KEYBINDING_ACTION_TOGGLE_TILED_RIGHT,
META_KEYBINDING_ACTION_TOGGLE_ABOVE,
META_KEYBINDING_ACTION_MAXIMIZE,
META_KEYBINDING_ACTION_UNMAXIMIZE,
META_KEYBINDING_ACTION_TOGGLE_SHADED,
META_KEYBINDING_ACTION_MINIMIZE,
META_KEYBINDING_ACTION_CLOSE,
META_KEYBINDING_ACTION_BEGIN_MOVE,
META_KEYBINDING_ACTION_BEGIN_RESIZE,
META_KEYBINDING_ACTION_TOGGLE_ON_ALL_WORKSPACES,
META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_1,
META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_2,
META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_3,
META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_4,
META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_5,
META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_6,
META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_7,
META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_8,
META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_9,
META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_10,
META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_11,
META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_12,
META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_LEFT,
META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_RIGHT,
META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_UP,
META_KEYBINDING_ACTION_MOVE_TO_WORKSPACE_DOWN,
META_KEYBINDING_ACTION_RAISE_OR_LOWER,
META_KEYBINDING_ACTION_RAISE,
META_KEYBINDING_ACTION_LOWER,
META_KEYBINDING_ACTION_MAXIMIZE_VERTICALLY,
META_KEYBINDING_ACTION_ALWAYS_ON_TOP,
META_KEYBINDING_ACTION_MAXIMIZE_HORIZONTALLY,
META_KEYBINDING_ACTION_MOVE_TO_CORNER_NW,
META_KEYBINDING_ACTION_MOVE_TO_CORNER_NE,
META_KEYBINDING_ACTION_MOVE_TO_CORNER_SW,
META_KEYBINDING_ACTION_MOVE_TO_CORNER_SE,
META_KEYBINDING_ACTION_MOVE_TO_SIDE_N,
META_KEYBINDING_ACTION_MOVE_TO_SIDE_S,
META_KEYBINDING_ACTION_MOVE_TO_SIDE_E,
META_KEYBINDING_ACTION_MOVE_TO_SIDE_W,
META_KEYBINDING_ACTION_MOVE_TO_CENTER,
META_KEYBINDING_ACTION_OVERLAY_KEY,
META_KEYBINDING_ACTION_ISO_NEXT_GROUP,
META_KEYBINDING_ACTION_LAST
} MetaKeyBindingAction;
/**
* MetaKeyBindingFlags:
* @META_KEY_BINDING_NONE: none
* @META_KEY_BINDING_PER_WINDOW: per-window
* @META_KEY_BINDING_BUILTIN: built-in
* @META_KEY_BINDING_REVERSES: reverses
* @META_KEY_BINDING_IS_REVERSED: is reversed
*/
typedef enum
{
META_KEY_BINDING_NONE,
META_KEY_BINDING_PER_WINDOW = 1 << 0,
META_KEY_BINDING_BUILTIN = 1 << 1,
META_KEY_BINDING_REVERSES = 1 << 2,
META_KEY_BINDING_IS_REVERSED = 1 << 3
} MetaKeyBindingFlags;
/**
* MetaKeyCombo:
* @keysym: keysym
* @keycode: keycode
* @modifiers: modifiers
*/
typedef struct _MetaKeyCombo MetaKeyCombo;
struct _MetaKeyCombo
{
unsigned int keysym;
unsigned int keycode;
MetaVirtualModifier modifiers;
};
/**
* MetaKeyHandlerFunc:
* @display: a #MetaDisplay
* @screen: a #MetaScreen
* @window: a #MetaWindow
* @event: a #ClutterKeyEvent
* @binding: a #MetaKeyBinding
* @user_data: data passed to the function
*
*/
typedef void (* MetaKeyHandlerFunc) (MetaDisplay *display,
MetaScreen *screen,
MetaWindow *window,
ClutterKeyEvent *event,
MetaKeyBinding *binding,
gpointer user_data);
typedef struct _MetaKeyHandler MetaKeyHandler;
typedef struct
{
char *name;
GSettings *settings;
MetaKeyBindingAction action;
/*
* A list of MetaKeyCombos. Each of them is bound to
* this keypref. If one has keysym==modifiers==0, it is
* ignored.
*/
GSList *bindings;
/* for keybindings that can have shift or not like Alt+Tab */
gboolean add_shift:1;
/* for keybindings that apply only to a window */
gboolean per_window:1;
/* for keybindings not added with meta_display_add_keybinding() */
gboolean builtin:1;
} MetaKeyPref;
GType meta_key_binding_get_type (void);
GList *meta_prefs_get_keybindings (void);
MetaKeyBindingAction meta_prefs_get_keybinding_action (const char *name);
void meta_prefs_get_window_binding (const char *name,
unsigned int *keysym,
MetaVirtualModifier *modifiers);
void meta_prefs_get_overlay_binding (MetaKeyCombo *combo);
const char *meta_prefs_get_iso_next_group_option (void);
gboolean meta_prefs_get_visual_bell (void);
gboolean meta_prefs_bell_is_audible (void);
GDesktopVisualBellType meta_prefs_get_visual_bell_type (void);
#endif