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82db27874b
Key events can come from different input devices, so they need a ClutterInputDevice member like the pointer-related events. This field is reserved for future use.
472 lines
12 KiB
C
472 lines
12 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Authored By Matthew Allum <mallum@openedhand.com>
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*
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* Copyright (C) 2006 OpenedHand
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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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#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
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#error "Only <clutter/clutter.h> can be included directly."
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#endif
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#ifndef __CLUTTER_EVENT_H__
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#define __CLUTTER_EVENT_H__
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#include <glib-object.h>
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#include <clutter/clutter-types.h>
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#define CLUTTER_TYPE_EVENT (clutter_event_get_type ())
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/**
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* CLUTTER_PRIORITY_EVENTS:
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*
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* Priority for event handling.
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*
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* Since: 0.4
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*/
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#define CLUTTER_PRIORITY_EVENTS (G_PRIORITY_DEFAULT)
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/**
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* CLUTTER_CURRENT_TIME:
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*
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* Default value for "now".
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*
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* Since: 0.4
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*/
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#define CLUTTER_CURRENT_TIME 0L
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G_BEGIN_DECLS
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/**
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* ClutterModifierType:
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* @CLUTTER_SHIFT_MASK: Mask applied by the Shift key
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* @CLUTTER_LOCK_MASK: Mask applied by the Caps Lock key
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* @CLUTTER_CONTROL_MASK: Mask applied by the Control key
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* @CLUTTER_MOD1_MASK: Mask applied by the first Mod key
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* @CLUTTER_MOD2_MASK: Mask applied by the second Mod key
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* @CLUTTER_MOD3_MASK: Mask applied by the third Mod key
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* @CLUTTER_MOD4_MASK: Mask applied by the fourth Mod key
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* @CLUTTER_MOD5_MASK: Mask applied by the fifth Mod key
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* @CLUTTER_BUTTON1_MASK: Mask applied by the first pointer button
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* @CLUTTER_BUTTON2_MASK: Mask applied by the second pointer button
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* @CLUTTER_BUTTON3_MASK: Mask applied by the third pointer button
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* @CLUTTER_BUTTON4_MASK: Mask applied by the fourth pointer button
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* @CLUTTER_BUTTON5_MASK: Mask applied by the fifth pointer button
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* @CLUTTER_SUPER_MASK: Mask applied by the Super key
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* @CLUTTER_HYPER_MASK: Mask applied by the Hyper key
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* @CLUTTER_META_MASK: Mask applied by the Meta key
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* @CLUTTER_RELEASE_MASK: Mask applied during release
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* @CLUTTER_MODIFIER_MASK: A mask covering all modifier types
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*
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* Masks applied to a #ClutterEvent by modifiers.
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*
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* Since: 0.4
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*/
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typedef enum {
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CLUTTER_SHIFT_MASK = 1 << 0,
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CLUTTER_LOCK_MASK = 1 << 1,
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CLUTTER_CONTROL_MASK = 1 << 2,
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CLUTTER_MOD1_MASK = 1 << 3,
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CLUTTER_MOD2_MASK = 1 << 4,
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CLUTTER_MOD3_MASK = 1 << 5,
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CLUTTER_MOD4_MASK = 1 << 6,
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CLUTTER_MOD5_MASK = 1 << 7,
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CLUTTER_BUTTON1_MASK = 1 << 8,
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CLUTTER_BUTTON2_MASK = 1 << 9,
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CLUTTER_BUTTON3_MASK = 1 << 10,
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CLUTTER_BUTTON4_MASK = 1 << 11,
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CLUTTER_BUTTON5_MASK = 1 << 12,
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/* bits 15 to 25 are currently unused; bit 29 is used internally */
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CLUTTER_SUPER_MASK = 1 << 26,
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CLUTTER_HYPER_MASK = 1 << 27,
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CLUTTER_META_MASK = 1 << 28,
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CLUTTER_RELEASE_MASK = 1 << 30,
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CLUTTER_MODIFIER_MASK = 0x5c001fff
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} ClutterModifierType;
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/**
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* ClutterEventFlags:
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* @CLUTTER_EVENT_FLAG_SYNTHETIC: Synthetic event
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*
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* Flags for the #ClutterEvent
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*
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* Since: 0.6
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*/
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typedef enum {
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CLUTTER_EVENT_FLAG_SYNTHETIC = 1 << 0,
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} ClutterEventFlags;
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/**
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* ClutterEventType:
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* @CLUTTER_NOTHING: Empty event
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* @CLUTTER_KEY_PRESS: Key press event
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* @CLUTTER_KEY_RELEASE: Key release event
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* @CLUTTER_MOTION: Pointer motion event
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* @CLUTTER_ENTER: Actor enter event
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* @CLUTTER_LEAVE: Actor leave event
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* @CLUTTER_BUTTON_PRESS: Pointer button press event
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* @CLUTTER_BUTTON_RELEASE: Pointer button release event
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* @CLUTTER_SCROLL: Pointer scroll event
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* @CLUTTER_STAGE_STATE: Stage stage change event
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* @CLUTTER_DESTROY_NOTIFY: Destroy notification event
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* @CLUTTER_CLIENT_MESSAGE: Client message event
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* @CLUTTER_DELETE: Stage delete event
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*
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* Types of events.
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*
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* Since: 0.4
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*/
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typedef enum
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{
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CLUTTER_NOTHING = 0,
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CLUTTER_KEY_PRESS,
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CLUTTER_KEY_RELEASE,
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CLUTTER_MOTION,
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CLUTTER_ENTER,
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CLUTTER_LEAVE,
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CLUTTER_BUTTON_PRESS,
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CLUTTER_BUTTON_RELEASE,
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CLUTTER_SCROLL,
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CLUTTER_STAGE_STATE,
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CLUTTER_DESTROY_NOTIFY,
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CLUTTER_CLIENT_MESSAGE,
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CLUTTER_DELETE
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} ClutterEventType;
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/**
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* ClutterScrollDirection:
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* @CLUTTER_SCROLL_UP: Scroll up
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* @CLUTTER_SCROLL_DOWN: Scroll down
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* @CLUTTER_SCROLL_LEFT: Scroll left
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* @CLUTTER_SCROLL_RIGHT: Scroll right
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*
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* Direction of a pointer scroll event.
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*
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* Since: 0.4
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*/
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typedef enum
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{
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CLUTTER_SCROLL_UP,
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CLUTTER_SCROLL_DOWN,
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CLUTTER_SCROLL_LEFT,
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CLUTTER_SCROLL_RIGHT
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} ClutterScrollDirection;
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/**
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* ClutterStageState:
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* @CLUTTER_STAGE_STATE_FULLSCREEN: Fullscreen mask
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* @CLUTTER_STAGE_STATE_OFFSCREEN: Offscreen mask
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* @CLUTTER_STAGE_STATE_ACTIVATED: Activated mask
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*
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* Stage state masks
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*
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* Since: 0.4
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*/
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typedef enum
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{
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CLUTTER_STAGE_STATE_FULLSCREEN = (1<<1),
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CLUTTER_STAGE_STATE_OFFSCREEN = (1<<2),
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CLUTTER_STAGE_STATE_ACTIVATED = (1<<3)
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} ClutterStageState;
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typedef union _ClutterEvent ClutterEvent;
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typedef struct _ClutterAnyEvent ClutterAnyEvent;
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typedef struct _ClutterButtonEvent ClutterButtonEvent;
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typedef struct _ClutterKeyEvent ClutterKeyEvent;
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typedef struct _ClutterMotionEvent ClutterMotionEvent;
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typedef struct _ClutterScrollEvent ClutterScrollEvent;
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typedef struct _ClutterStageStateEvent ClutterStageStateEvent;
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typedef struct _ClutterCrossingEvent ClutterCrossingEvent;
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/**
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* ClutterInputDevice:
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*
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* Generic representation of an input device. The
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* actual contents of this structure depend on the
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* backend used.
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*/
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typedef struct _ClutterInputDevice ClutterInputDevice;
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/**
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* ClutterAnyEvent:
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* @type: event type
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* @time: event time
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* @flags: event flags
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* @source: event source actor
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*
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* Common members for a #ClutterEvent
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*
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* Since: 0.2
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*/
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struct _ClutterAnyEvent
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{
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ClutterEventType type;
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guint32 time;
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ClutterEventFlags flags;
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ClutterStage *stage;
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ClutterActor *source;
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};
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/**
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* ClutterKeyEvent:
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* @type: event type
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* @time: event time
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* @flags: event flags
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* @stage: event source stage
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* @source: event source actor
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* @modifier_state: key modifiers
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* @keyval: raw key value
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* @hardware_keycode: raw hardware key value
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* @unicode_value: Unicode representation
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* @device: reserved for future use
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*
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* Key event
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*
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* Since: 0.2
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*/
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struct _ClutterKeyEvent
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{
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ClutterEventType type;
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guint32 time;
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ClutterEventFlags flags;
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ClutterStage *stage;
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ClutterActor *source;
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ClutterModifierType modifier_state;
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guint keyval;
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guint16 hardware_keycode;
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gunichar unicode_value;
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ClutterInputDevice *device;
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};
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/**
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* ClutterButtonEvent:
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* @type: event type
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* @time: event time
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* @flags: event flags
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* @stage: event source stage
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* @source: event source actor
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* @x: event X coordinate, relative to the stage
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* @y: event Y coordinate, relative to the stage
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* @modifier_state: button modifiers
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* @button: event button
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* @click_count: number of button presses within the default time
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* and radius
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* @axes: reserved for future use
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* @device: reserved for future use
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*
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* Button event.
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*
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* The event coordinates are relative to the stage that received the
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* event, and can be transformed into actor-relative coordinates by
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* using clutter_actor_transform_stage_point().
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*
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* Since: 0.2
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*/
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struct _ClutterButtonEvent
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{
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ClutterEventType type;
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guint32 time;
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ClutterEventFlags flags;
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ClutterStage *stage;
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ClutterActor *source;
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gint x;
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gint y;
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ClutterModifierType modifier_state;
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guint32 button;
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guint click_count;
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gdouble *axes; /* Future use */
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ClutterInputDevice *device; /* Future use */
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};
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/**
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* ClutterCrossingEvent:
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* @type: event type
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* @time: event time
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* @flags: event flags
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* @stage: event source stage
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* @source: event source actor
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* @x: event X coordinate
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* @y: event Y coordinate
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* @related: actor related to the crossing
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* @device: reserved for future use
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*
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* Event for the movement of the pointer across different actors
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*
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* Since: 0.2
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*/
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struct _ClutterCrossingEvent
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{
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ClutterEventType type;
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guint32 time;
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ClutterEventFlags flags;
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ClutterStage *stage;
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ClutterActor *source;
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gint x;
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gint y;
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ClutterInputDevice *device; /* future use */
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ClutterActor *related;
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};
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/**
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* ClutterMotionEvent:
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* @type: event type
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* @time: event time
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* @flags: event flags
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* @stage: event source stage
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* @source: event source actor
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* @x: event X coordinate
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* @y: event Y coordinate
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* @modifier_state: button modifiers
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* @axes: reserved for future use
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* @device: reserved for future use
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*
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* Event for the pointer motion
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*
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* Since: 0.2
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*/
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struct _ClutterMotionEvent
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{
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ClutterEventType type;
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guint32 time;
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ClutterEventFlags flags;
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ClutterStage *stage;
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ClutterActor *source;
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gint x;
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gint y;
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ClutterModifierType modifier_state;
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gdouble *axes; /* Future use */
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ClutterInputDevice *device; /* Future use */
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};
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/**
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* ClutterScrollEvent:
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* @type: event type
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* @time: event time
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* @flags: event flags
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* @stage: event source stage
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* @source: event source actor
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* @x: event X coordinate
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* @y: event Y coordinate
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* @direction: direction of the scrolling
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* @modifier_state: button modifiers
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* @axes: reserved for future use
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* @device: reserved for future use
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*
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* Scroll wheel (or similar device) event
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*
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* Since: 0.2
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*/
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struct _ClutterScrollEvent
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{
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ClutterEventType type;
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guint32 time;
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ClutterEventFlags flags;
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ClutterStage *stage;
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ClutterActor *source;
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gint x;
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gint y;
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ClutterScrollDirection direction;
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ClutterModifierType modifier_state;
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gdouble *axes; /* future use */
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ClutterInputDevice *device; /* future use */
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};
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/**
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* ClutterStageStateEvent:
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* @type: event type
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* @time: event time
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* @flags: event flags
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* @stage: event source stage
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* @source: event source actor (unused)
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* @changed_mask: bitwise OR of the changed flags
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* @new_state: bitwise OR of the current state flags
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*
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* Event signalling a change in the #ClutterStage state.
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*
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* Since: 0.2
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*/
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struct _ClutterStageStateEvent
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{
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ClutterEventType type;
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guint32 time;
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ClutterEventFlags flags;
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ClutterStage *stage;
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ClutterActor *source; /* unused XXX: should probably be the stage itself */
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ClutterStageState changed_mask;
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ClutterStageState new_state;
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};
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/**
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* ClutterEvent:
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* @type: event type
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*
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* Generic event wrapper.
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*
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* Since: 0.2
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*/
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union _ClutterEvent
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{
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ClutterEventType type;
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ClutterAnyEvent any;
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ClutterButtonEvent button;
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ClutterKeyEvent key;
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ClutterMotionEvent motion;
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ClutterScrollEvent scroll;
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ClutterStageStateEvent stage_state;
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ClutterCrossingEvent crossing;
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};
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GType clutter_event_get_type (void) G_GNUC_CONST;
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gboolean clutter_events_pending (void);
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ClutterEvent * clutter_event_get (void);
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ClutterEvent * clutter_event_peek (void);
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void clutter_event_put (ClutterEvent *event);
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ClutterEvent * clutter_event_new (ClutterEventType type);
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ClutterEvent * clutter_event_copy (ClutterEvent *event);
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void clutter_event_free (ClutterEvent *event);
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ClutterEventType clutter_event_type (ClutterEvent *event);
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guint32 clutter_event_get_time (ClutterEvent *event);
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ClutterModifierType clutter_event_get_state (ClutterEvent *event);
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void clutter_event_get_coords (ClutterEvent *event,
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gint *x,
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gint *y);
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gint clutter_event_get_device_id (ClutterEvent *event);
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ClutterActor* clutter_event_get_source (ClutterEvent *event);
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guint clutter_key_event_symbol (ClutterKeyEvent *keyev);
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guint16 clutter_key_event_code (ClutterKeyEvent *keyev);
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guint32 clutter_key_event_unicode (ClutterKeyEvent *keyev);
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guint32 clutter_button_event_button (ClutterButtonEvent *buttev);
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guint32 clutter_keysym_to_unicode (guint keyval);
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ClutterStage* clutter_event_get_stage (ClutterEvent *event);
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G_END_DECLS
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#endif /* __CLUTTER_EVENT_H__ */
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