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mutter/clutter/clutter-input-device.h
Emmanuele Bassi 73cf6bd52c device: Allow enabling/disabling non-master devices 
Slave and floating devices should always be disabled, and not deliver
events to the scene. It is up to the user to enable non-master devices
and handle events coming from them.

ClutterInputDevice gets a new :enabled property, defaulting to FALSE;
when a device manager creates a new device it has to set it to TRUE if
the :device-mode property is set to CLUTTER_INPUT_MODE_MASTER.

The main event queue entry point, _clutter_event_push(), will
automatically discard events coming from disabled devices.
2011-01-21 10:25:45 +00:00

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/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Copyright © 2009, 2010, 2011 Intel Corp.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Author: Emmanuele Bassi <ebassi@linux.intel.com>
*/
#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <clutter/clutter.h> can be included directly."
#endif
#ifndef __CLUTTER_INPUT_DEVICE_H__
#define __CLUTTER_INPUT_DEVICE_H__
#include <clutter/clutter-types.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_INPUT_DEVICE (clutter_input_device_get_type ())
#define CLUTTER_INPUT_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_INPUT_DEVICE, ClutterInputDevice))
#define CLUTTER_IS_INPUT_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_INPUT_DEVICE))
#define CLUTTER_INPUT_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_INPUT_DEVICE, ClutterInputDeviceClass))
#define CLUTTER_IS_INPUT_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_INPUT_DEVICE))
#define CLUTTER_INPUT_DEVICE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_INPUT_DEVICE, ClutterInputDeviceClass))
/**
* ClutterInputDevice:
*
* Generic representation of an input device. The actual contents of this
* structure depend on the backend used.
*/
typedef struct _ClutterInputDevice ClutterInputDevice;
typedef struct _ClutterInputDeviceClass ClutterInputDeviceClass;
/**
* ClutterInputDeviceType:
* @CLUTTER_POINTER_DEVICE: A pointer device
* @CLUTTER_KEYBOARD_DEVICE: A keyboard device
* @CLUTTER_EXTENSION_DEVICE: A generic extension device
* @CLUTTER_JOYSTICK_DEVICE: A joystick device
* @CLUTTER_TABLET_DEVICE: A tablet device
* @CLUTTER_TOUCHPAD_DEVICE: A touchpad device
* @CLUTTER_TOUCHSCREEN_DEVICE: A touch screen device
* @CLUTTER_PEN_DEVICE: A pen device
* @CLUTTER_ERASER_DEVICE: An eraser device
* @CLUTTER_CURSOR_DEVICE: A cursor device
* @CLUTTER_N_DEVICE_TYPES: The number of device types
*
* The types of input devices available.
*
* The #ClutterInputDeviceType enumeration can be extended at later
* date; not every platform supports every input device type.
*
* Since: 1.0
*/
typedef enum {
CLUTTER_POINTER_DEVICE,
CLUTTER_KEYBOARD_DEVICE,
CLUTTER_EXTENSION_DEVICE,
CLUTTER_JOYSTICK_DEVICE,
CLUTTER_TABLET_DEVICE,
CLUTTER_TOUCHPAD_DEVICE,
CLUTTER_TOUCHSCREEN_DEVICE,
CLUTTER_PEN_DEVICE,
CLUTTER_ERASER_DEVICE,
CLUTTER_CURSOR_DEVICE,
CLUTTER_N_DEVICE_TYPES
} ClutterInputDeviceType;
/**
* ClutterInputMode:
* @CLUTTER_INPUT_MODE_MASTER: A master, virtual device
* @CLUTTER_INPUT_MODE_SLAVE: A slave, physical device, attached to
* a master device
* @CLUTTER_INPUT_MODE_FLOATING: A slave, physical device, not attached
* to a master device
*
* The mode for input devices available.
*
* Since: 1.6
*/
typedef enum {
CLUTTER_INPUT_MODE_MASTER,
CLUTTER_INPUT_MODE_SLAVE,
CLUTTER_INPUT_MODE_FLOATING
} ClutterInputMode;
/**
* ClutterInputAxis:
* @CLUTTER_INPUT_AXIS_IGNORE: Unused axis
* @CLUTTER_INPUT_AXIS_X: The position on the X axis
* @CLUTTER_INPUT_AXIS_Y: The position of the Y axis
* @CLUTTER_INPUT_AXIS_PRESSURE: The pressure information
* @CLUTTER_INPUT_AXIS_XTILT: The tilt on the X axis
* @CLUTTER_INPUT_AXIS_YTILT: The tile on the Y axis
* @CLUTTER_INPUT_AXIS_WHEEL: A wheel
*
* The type of axes Clutter recognizes on a #ClutterInputDevice
*
* Since: 1.6
*/
typedef enum {
CLUTTER_INPUT_AXIS_IGNORE,
CLUTTER_INPUT_AXIS_X,
CLUTTER_INPUT_AXIS_Y,
CLUTTER_INPUT_AXIS_PRESSURE,
CLUTTER_INPUT_AXIS_XTILT,
CLUTTER_INPUT_AXIS_YTILT,
CLUTTER_INPUT_AXIS_WHEEL
} ClutterInputAxis;
GType clutter_input_device_get_type (void) G_GNUC_CONST;
ClutterInputDeviceType clutter_input_device_get_device_type (ClutterInputDevice *device);
gint clutter_input_device_get_device_id (ClutterInputDevice *device);
void clutter_input_device_get_device_coords (ClutterInputDevice *device,
gint *x,
gint *y);
ClutterActor * clutter_input_device_get_pointer_actor (ClutterInputDevice *device);
ClutterStage * clutter_input_device_get_pointer_stage (ClutterInputDevice *device);
G_CONST_RETURN gchar * clutter_input_device_get_device_name (ClutterInputDevice *device);
ClutterInputMode clutter_input_device_get_device_mode (ClutterInputDevice *device);
gboolean clutter_input_device_get_has_cursor (ClutterInputDevice *device);
void clutter_input_device_set_enabled (ClutterInputDevice *device,
gboolean enabled);
gboolean clutter_input_device_get_enabled (ClutterInputDevice *device);
guint clutter_input_device_get_n_axes (ClutterInputDevice *device);
ClutterInputAxis clutter_input_device_get_axis (ClutterInputDevice *device,
guint index_);
gboolean clutter_input_device_get_axis_value (ClutterInputDevice *device,
gdouble *axes,
ClutterInputAxis axis,
gdouble *value);
guint clutter_input_device_get_n_keys (ClutterInputDevice *device);
void clutter_input_device_set_key (ClutterInputDevice *device,
guint index_,
guint keyval,
ClutterModifierType modifiers);
gboolean clutter_input_device_get_key (ClutterInputDevice *device,
guint index_,
guint *keyval,
ClutterModifierType *modifiers);
ClutterInputDevice * clutter_input_device_get_associated_device (ClutterInputDevice *device);
GList * clutter_input_device_get_slave_devices (ClutterInputDevice *device);
void clutter_input_device_update_from_event (ClutterInputDevice *device,
ClutterEvent *event,
gboolean update_stage);
G_END_DECLS
#endif /* __CLUTTER_INPUT_DEVICE_H__ */
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