mirror of
https://github.com/brl/mutter.git
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688 lines
23 KiB
C
688 lines
23 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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#ifndef __CLUTTER_EVENT_H__
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#define __CLUTTER_EVENT_H__
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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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#include <clutter/clutter-types.h>
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#include <clutter/clutter-input-device.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_EVENT (clutter_event_get_type ())
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#define CLUTTER_TYPE_EVENT_SEQUENCE (clutter_event_sequence_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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/**
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* CLUTTER_EVENT_PROPAGATE:
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*
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* Continues the propagation of an event; this macro should be
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* used in event-related signals.
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*
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* Since: 1.10
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*/
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#define CLUTTER_EVENT_PROPAGATE (FALSE)
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/**
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* CLUTTER_EVENT_STOP:
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*
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* Stops the propagation of an event; this macro should be used
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* in event-related signals.
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*
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* Since: 1.10
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*/
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#define CLUTTER_EVENT_STOP (TRUE)
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/**
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* CLUTTER_BUTTON_PRIMARY:
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*
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* The primary button of a pointer device.
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*
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* This is typically the left mouse button in a right-handed
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* mouse configuration.
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*
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* Since: 1.10
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*/
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#define CLUTTER_BUTTON_PRIMARY (1)
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/**
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* CLUTTER_BUTTON_MIDDLE:
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*
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* The middle button of a pointer device.
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*
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* Since: 1.10
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*/
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#define CLUTTER_BUTTON_MIDDLE (2)
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/**
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* CLUTTER_BUTTON_SECONDARY:
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*
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* The secondary button of a pointer device.
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*
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* This is typically the right mouse button in a right-handed
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* mouse configuration.
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*
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* Since: 1.10
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*/
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#define CLUTTER_BUTTON_SECONDARY (3)
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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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typedef struct _ClutterTouchEvent ClutterTouchEvent;
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typedef struct _ClutterTouchpadPinchEvent ClutterTouchpadPinchEvent;
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typedef struct _ClutterTouchpadSwipeEvent ClutterTouchpadSwipeEvent;
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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: the device that originated the event. If you want the physical
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* device the event originated from, use clutter_event_get_source_device()
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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: the device that originated the event. If you want the physical
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* device the event originated from, use clutter_event_get_source_device()
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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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gfloat x;
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gfloat 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;
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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: the device that originated the event. If you want the physical
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* device the event originated from, use clutter_event_get_source_device()
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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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gfloat x;
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gfloat y;
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ClutterInputDevice *device;
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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: the device that originated the event. If you want the physical
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* device the event originated from, use clutter_event_get_source_device()
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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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gfloat x;
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gfloat y;
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ClutterModifierType modifier_state;
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gdouble *axes; /* Future use */
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ClutterInputDevice *device;
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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: the device that originated the event. If you want the physical
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* device the event originated from, use clutter_event_get_source_device()
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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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gfloat x;
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gfloat 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;
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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; /* 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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* ClutterTouchEvent:
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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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* @x: the X coordinate of the pointer, relative to the stage
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* @y: the Y coordinate of the pointer, relative to the stage
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* @sequence: the event sequence that this event belongs to
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* @modifier_state: (type ClutterModifierType): a bit-mask representing the state
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* of modifier keys (e.g. Control, Shift, and Alt) and the pointer
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* buttons. See #ClutterModifierType
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* @axes: reserved
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* @device: the device that originated the event. If you want the physical
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* device the event originated from, use clutter_event_get_source_device()
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*
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* Used for touch events.
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*
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* The @type field will be one of %CLUTTER_TOUCH_BEGIN, %CLUTTER_TOUCH_END,
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* %CLUTTER_TOUCH_UPDATE, or %CLUTTER_TOUCH_CANCEL.
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*
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* Touch events are grouped into sequences; each touch sequence will begin
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* with a %CLUTTER_TOUCH_BEGIN event, progress with %CLUTTER_TOUCH_UPDATE
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* events, and end either with a %CLUTTER_TOUCH_END event or with a
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* %CLUTTER_TOUCH_CANCEL event.
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*
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* With multi-touch capable devices there can be multiple event sequence
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* running at the same time.
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*
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* Since: 1.10
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*/
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struct _ClutterTouchEvent
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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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gfloat x;
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gfloat y;
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ClutterEventSequence *sequence;
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ClutterModifierType modifier_state;
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gdouble *axes; /* reserved */
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ClutterInputDevice *device;
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};
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/**
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* ClutterTouchpadPinchEvent:
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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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* @phase: the current phase of the gesture
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* @x: the X coordinate of the pointer, relative to the stage
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* @y: the Y coordinate of the pointer, relative to the stage
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* @dx: movement delta of the pinch focal point in the X axis
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* @dy: movement delta of the pinch focal point in the Y axis
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* @angle_delta: angle delta in degrees, clockwise rotations are
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* represented by positive deltas
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* @scale: the current scale
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*
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* Used for touchpad pinch gesture events. The current state of the
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* gesture will be determined by the @phase field.
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*
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* Each event with phase %CLUTTER_TOUCHPAD_GESTURE_PHASE_BEGIN
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* will report a @scale of 1.0, all later phases in the gesture
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* report the current scale relative to the initial 1.0 value
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* (eg. 0.5 being half the size, 2.0 twice as big).
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*
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* Since: 1.24
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*/
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struct _ClutterTouchpadPinchEvent
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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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ClutterTouchpadGesturePhase phase;
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gfloat x;
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gfloat y;
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gfloat dx;
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gfloat dy;
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gfloat angle_delta;
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gfloat scale;
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};
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/**
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* ClutterTouchpadSwipeEvent
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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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* @phase: the current phase of the gesture
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* @n_fingers: the number of fingers triggering the swipe
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* @x: the X coordinate of the pointer, relative to the stage
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* @y: the Y coordinate of the pointer, relative to the stage
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* @dx: movement delta of the pinch focal point in the X axis
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* @dy: movement delta of the pinch focal point in the Y axis
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*
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* Used for touchpad swipe gesture events. The current state of the
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* gesture will be determined by the @phase field.
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*
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* Since: 1.24
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*/
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struct _ClutterTouchpadSwipeEvent
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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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ClutterTouchpadGesturePhase phase;
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guint n_fingers;
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gfloat x;
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gfloat y;
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gfloat dx;
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gfloat dy;
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};
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/**
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* ClutterEvent:
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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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/*< private >*/
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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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ClutterTouchEvent touch;
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ClutterTouchpadPinchEvent touchpad_pinch;
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ClutterTouchpadSwipeEvent touchpad_swipe;
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};
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/**
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* ClutterEventFilterFunc:
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* @event: the event that is going to be emitted
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* @user_data: the data pointer passed to clutter_event_add_filter()
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*
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* A function pointer type used by event filters that are added with
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* clutter_event_add_filter().
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*
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* Return value: %CLUTTER_EVENT_STOP to indicate that the event
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* has been handled or %CLUTTER_EVENT_PROPAGATE otherwise.
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* Returning %CLUTTER_EVENT_STOP skips any further filter
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* functions and prevents the signal emission for the event.
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*
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* Since: 1.18
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*/
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typedef gboolean (* ClutterEventFilterFunc) (const ClutterEvent *event,
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gpointer user_data);
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CLUTTER_AVAILABLE_IN_ALL
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GType clutter_event_get_type (void) G_GNUC_CONST;
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CLUTTER_AVAILABLE_IN_1_20
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GType clutter_event_sequence_get_type (void) G_GNUC_CONST;
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CLUTTER_AVAILABLE_IN_ALL
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gboolean clutter_events_pending (void);
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CLUTTER_AVAILABLE_IN_ALL
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ClutterEvent * clutter_event_get (void);
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CLUTTER_AVAILABLE_IN_ALL
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ClutterEvent * clutter_event_peek (void);
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CLUTTER_AVAILABLE_IN_ALL
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void clutter_event_put (const ClutterEvent *event);
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CLUTTER_AVAILABLE_IN_1_18
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guint clutter_event_add_filter (ClutterStage *stage,
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ClutterEventFilterFunc func,
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GDestroyNotify notify,
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gpointer user_data);
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CLUTTER_AVAILABLE_IN_1_18
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void clutter_event_remove_filter (guint id);
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CLUTTER_AVAILABLE_IN_ALL
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ClutterEvent * clutter_event_new (ClutterEventType type);
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CLUTTER_AVAILABLE_IN_ALL
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ClutterEvent * clutter_event_copy (const ClutterEvent *event);
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CLUTTER_AVAILABLE_IN_ALL
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void clutter_event_free (ClutterEvent *event);
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CLUTTER_AVAILABLE_IN_ALL
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ClutterEventType clutter_event_type (const ClutterEvent *event);
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CLUTTER_AVAILABLE_IN_1_8
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void clutter_event_set_flags (ClutterEvent *event,
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ClutterEventFlags flags);
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CLUTTER_AVAILABLE_IN_1_0
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ClutterEventFlags clutter_event_get_flags (const ClutterEvent *event);
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CLUTTER_AVAILABLE_IN_1_8
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void clutter_event_set_time (ClutterEvent *event,
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guint32 time_);
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CLUTTER_AVAILABLE_IN_ALL
|
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guint32 clutter_event_get_time (const ClutterEvent *event);
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CLUTTER_AVAILABLE_IN_1_8
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void clutter_event_set_state (ClutterEvent *event,
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ClutterModifierType state);
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CLUTTER_AVAILABLE_IN_ALL
|
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ClutterModifierType clutter_event_get_state (const ClutterEvent *event);
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CLUTTER_AVAILABLE_IN_1_16
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void clutter_event_get_state_full (const ClutterEvent *event,
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ClutterModifierType *button_state,
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ClutterModifierType *base_state,
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ClutterModifierType *latched_state,
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ClutterModifierType *locked_state,
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ClutterModifierType *effective_state);
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CLUTTER_AVAILABLE_IN_1_6
|
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void clutter_event_set_device (ClutterEvent *event,
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ClutterInputDevice *device);
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CLUTTER_AVAILABLE_IN_1_6
|
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ClutterInputDevice * clutter_event_get_device (const ClutterEvent *event);
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CLUTTER_AVAILABLE_IN_1_6
|
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void clutter_event_set_source_device (ClutterEvent *event,
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ClutterInputDevice *device);
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|
|
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CLUTTER_AVAILABLE_IN_1_6
|
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ClutterInputDevice * clutter_event_get_source_device (const ClutterEvent *event);
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CLUTTER_AVAILABLE_IN_1_8
|
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void clutter_event_set_source (ClutterEvent *event,
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ClutterActor *actor);
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CLUTTER_AVAILABLE_IN_ALL
|
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ClutterActor * clutter_event_get_source (const ClutterEvent *event);
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CLUTTER_AVAILABLE_IN_1_8
|
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void clutter_event_set_stage (ClutterEvent *event,
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|
ClutterStage *stage);
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CLUTTER_AVAILABLE_IN_ALL
|
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ClutterStage * clutter_event_get_stage (const ClutterEvent *event);
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CLUTTER_AVAILABLE_IN_ALL
|
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gint clutter_event_get_device_id (const ClutterEvent *event);
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CLUTTER_AVAILABLE_IN_1_0
|
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ClutterInputDeviceType clutter_event_get_device_type (const ClutterEvent *event);
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CLUTTER_AVAILABLE_IN_1_8
|
|
void clutter_event_set_coords (ClutterEvent *event,
|
|
gfloat x,
|
|
gfloat y);
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CLUTTER_AVAILABLE_IN_ALL
|
|
void clutter_event_get_coords (const ClutterEvent *event,
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|
gfloat *x,
|
|
gfloat *y);
|
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CLUTTER_AVAILABLE_IN_1_12
|
|
void clutter_event_get_position (const ClutterEvent *event,
|
|
ClutterPoint *position);
|
|
CLUTTER_AVAILABLE_IN_1_12
|
|
float clutter_event_get_distance (const ClutterEvent *source,
|
|
const ClutterEvent *target);
|
|
CLUTTER_AVAILABLE_IN_1_12
|
|
double clutter_event_get_angle (const ClutterEvent *source,
|
|
const ClutterEvent *target);
|
|
CLUTTER_AVAILABLE_IN_1_6
|
|
gdouble * clutter_event_get_axes (const ClutterEvent *event,
|
|
guint *n_axes);
|
|
CLUTTER_AVAILABLE_IN_1_12
|
|
gboolean clutter_event_has_shift_modifier (const ClutterEvent *event);
|
|
CLUTTER_AVAILABLE_IN_1_12
|
|
gboolean clutter_event_has_control_modifier (const ClutterEvent *event);
|
|
CLUTTER_AVAILABLE_IN_1_12
|
|
gboolean clutter_event_is_pointer_emulated (const ClutterEvent *event);
|
|
CLUTTER_AVAILABLE_IN_1_8
|
|
void clutter_event_set_key_symbol (ClutterEvent *event,
|
|
guint key_sym);
|
|
CLUTTER_AVAILABLE_IN_1_0
|
|
guint clutter_event_get_key_symbol (const ClutterEvent *event);
|
|
CLUTTER_AVAILABLE_IN_1_8
|
|
void clutter_event_set_key_code (ClutterEvent *event,
|
|
guint16 key_code);
|
|
CLUTTER_AVAILABLE_IN_1_0
|
|
guint16 clutter_event_get_key_code (const ClutterEvent *event);
|
|
CLUTTER_AVAILABLE_IN_1_8
|
|
void clutter_event_set_key_unicode (ClutterEvent *event,
|
|
gunichar key_unicode);
|
|
CLUTTER_AVAILABLE_IN_1_0
|
|
gunichar clutter_event_get_key_unicode (const ClutterEvent *event);
|
|
CLUTTER_AVAILABLE_IN_1_8
|
|
void clutter_event_set_button (ClutterEvent *event,
|
|
guint32 button);
|
|
CLUTTER_AVAILABLE_IN_1_0
|
|
guint32 clutter_event_get_button (const ClutterEvent *event);
|
|
CLUTTER_AVAILABLE_IN_1_0
|
|
guint clutter_event_get_click_count (const ClutterEvent *event);
|
|
CLUTTER_AVAILABLE_IN_1_8
|
|
void clutter_event_set_related (ClutterEvent *event,
|
|
ClutterActor *actor);
|
|
CLUTTER_AVAILABLE_IN_1_0
|
|
ClutterActor * clutter_event_get_related (const ClutterEvent *event);
|
|
CLUTTER_AVAILABLE_IN_1_8
|
|
void clutter_event_set_scroll_direction (ClutterEvent *event,
|
|
ClutterScrollDirection direction);
|
|
CLUTTER_AVAILABLE_IN_1_0
|
|
ClutterScrollDirection clutter_event_get_scroll_direction (const ClutterEvent *event);
|
|
CLUTTER_AVAILABLE_IN_1_10
|
|
void clutter_event_set_scroll_delta (ClutterEvent *event,
|
|
gdouble dx,
|
|
gdouble dy);
|
|
CLUTTER_AVAILABLE_IN_1_10
|
|
void clutter_event_get_scroll_delta (const ClutterEvent *event,
|
|
gdouble *dx,
|
|
gdouble *dy);
|
|
|
|
CLUTTER_AVAILABLE_IN_1_10
|
|
ClutterEventSequence * clutter_event_get_event_sequence (const ClutterEvent *event);
|
|
|
|
CLUTTER_AVAILABLE_IN_ALL
|
|
guint32 clutter_keysym_to_unicode (guint keyval);
|
|
CLUTTER_AVAILABLE_IN_1_10
|
|
guint clutter_unicode_to_keysym (guint32 wc);
|
|
|
|
CLUTTER_AVAILABLE_IN_1_0
|
|
guint32 clutter_get_current_event_time (void);
|
|
CLUTTER_AVAILABLE_IN_1_2
|
|
const ClutterEvent * clutter_get_current_event (void);
|
|
|
|
CLUTTER_AVAILABLE_IN_1_24
|
|
guint clutter_event_get_gesture_swipe_finger_count (const ClutterEvent *event);
|
|
|
|
CLUTTER_AVAILABLE_IN_1_24
|
|
gdouble clutter_event_get_gesture_pinch_angle_delta (const ClutterEvent *event);
|
|
|
|
CLUTTER_AVAILABLE_IN_1_24
|
|
gdouble clutter_event_get_gesture_pinch_scale (const ClutterEvent *event);
|
|
|
|
CLUTTER_AVAILABLE_IN_1_24
|
|
ClutterTouchpadGesturePhase clutter_event_get_gesture_phase (const ClutterEvent *event);
|
|
|
|
CLUTTER_AVAILABLE_IN_1_24
|
|
void clutter_event_get_gesture_motion_delta (const ClutterEvent *event,
|
|
gdouble *dx,
|
|
gdouble *dy);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __CLUTTER_EVENT_H__ */
|