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mutter-performance-source/clutter/clutter-input-device.h
Lionel Landwerlin 9e02ef459e input-device: add enter/leave events generation for touch events
This patch brings 'enter-event' and 'leave-event' generation for touch
based devices. This leads to adding a new API to retrieve coordinates
of a touch point.

https://bugzilla.gnome.org/show_bug.cgi?id=679797
2012-07-17 21:49:26 +01:00

118 lines
6.8 KiB
C

/*
* 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 _ClutterInputDeviceClass ClutterInputDeviceClass;
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);
CLUTTER_AVAILABLE_IN_1_12
gboolean clutter_input_device_get_coords (ClutterInputDevice *device,
ClutterEventSequence *sequence,
ClutterPoint *point);
ClutterActor * clutter_input_device_get_pointer_actor (ClutterInputDevice *device);
ClutterStage * clutter_input_device_get_pointer_stage (ClutterInputDevice *device);
const 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);
CLUTTER_AVAILABLE_IN_1_10
void clutter_input_device_grab (ClutterInputDevice *device,
ClutterActor *actor);
CLUTTER_AVAILABLE_IN_1_10
void clutter_input_device_ungrab (ClutterInputDevice *device);
CLUTTER_AVAILABLE_IN_1_10
ClutterActor * clutter_input_device_get_grabbed_actor (ClutterInputDevice *device);
CLUTTER_AVAILABLE_IN_1_12
void clutter_input_device_sequence_grab (ClutterInputDevice *device,
ClutterEventSequence *sequence,
ClutterActor *actor);
CLUTTER_AVAILABLE_IN_1_12
void clutter_input_device_sequence_ungrab (ClutterInputDevice *device,
ClutterEventSequence *sequence);
CLUTTER_AVAILABLE_IN_1_12
ClutterActor * clutter_input_device_sequence_get_grabbed_actor (ClutterInputDevice *device,
ClutterEventSequence *sequence);
gboolean clutter_input_device_keycode_to_evdev (ClutterInputDevice *device,
guint hardware_keycode,
guint *evdev_keycode);
G_END_DECLS
#endif /* __CLUTTER_INPUT_DEVICE_H__ */