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/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Copyright (C) 2010 Intel Corporation.
*
* 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>
*/
#ifndef __CLUTTER_DEVICE_MANAGER_PRIVATE_H__
#define __CLUTTER_DEVICE_MANAGER_PRIVATE_H__
#include <clutter/clutter-backend.h>
#include <clutter/clutter-device-manager.h>
#include <clutter/clutter-event.h>
G_BEGIN_DECLS
typedef struct _ClutterAxisInfo
{
ClutterInputAxis axis;
gdouble min_axis;
gdouble max_axis;
gdouble min_value;
gdouble max_value;
gdouble resolution;
} ClutterAxisInfo;
typedef struct _ClutterKeyInfo
{
guint keyval;
ClutterModifierType modifiers;
} ClutterKeyInfo;
typedef struct _ClutterScrollInfo
{
guint axis_id;
ClutterScrollDirection direction;
gdouble increment;
gdouble last_value;
guint last_value_valid : 1;
} ClutterScrollInfo;
typedef struct _ClutterTouchInfo
{
ClutterEventSequence *sequence;
ClutterActor *actor;
gfloat current_x;
gfloat current_y;
} ClutterTouchInfo;
struct _ClutterInputDevice
{
GObject parent_instance;
gint id;
ClutterInputDeviceType device_type;
ClutterInputMode device_mode;
gchar *device_name;
ClutterDeviceManager *device_manager;
ClutterBackend *backend;
/* the associated device */
ClutterInputDevice *associated;
GList *slaves;
/* the actor underneath the pointer */
ClutterActor *cursor_actor;
GHashTable *inv_touch_sequence_actors;
/* the actor that has a grab in place for the device */
ClutterActor *pointer_grab_actor;
ClutterActor *keyboard_grab_actor;
GHashTable *sequence_grab_actors;
GHashTable *inv_sequence_grab_actors;
/* the current click count */
gint click_count;
/* the stage the device is on */
ClutterStage *stage;
/* the current state */
gfloat current_x;
gfloat current_y;
guint32 current_time;
gint current_button_number;
ClutterModifierType current_state;
/* the current touch points states */
GHashTable *touch_sequences_info;
/* the previous state, used for click count generation */
gint previous_x;
gint previous_y;
guint32 previous_time;
gint previous_button_number;
ClutterModifierType previous_state;
GArray *axes;
guint n_keys;
GArray *keys;
GArray *scroll_info;
gchar *vendor_id;
gchar *product_id;
guint has_cursor : 1;
guint is_enabled : 1;
};
struct _ClutterInputDeviceClass
{
GObjectClass parent_class;
gboolean (* keycode_to_evdev) (ClutterInputDevice *device,
guint hardware_keycode,
guint *evdev_keycode);
};
/* Platform-dependent interface */
typedef struct _ClutterEventExtender ClutterEventExtender;
typedef struct _ClutterEventExtenderInterface ClutterEventExtenderInterface;
#define CLUTTER_TYPE_EVENT_EXTENDER (clutter_event_extender_get_type ())
#define CLUTTER_EVENT_EXTENDER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), CLUTTER_TYPE_EVENT_EXTENDER, ClutterEventExtender))
#define CLUTTER_IS_EVENT_EXTENDER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), CLUTTER_TYPE_EVENT_EXTENDER))
#define CLUTTER_EVENT_EXTENDER_GET_IFACE(o) (G_TYPE_INSTANCE_GET_INTERFACE ((o), CLUTTER_TYPE_EVENT_EXTENDER, ClutterEventExtenderInterface))
struct _ClutterEventExtenderInterface
{
GTypeInterface g_iface;
void (* copy_event_data) (ClutterEventExtender *event_extender,
const ClutterEvent *src,
ClutterEvent *dest);
void (* free_event_data) (ClutterEventExtender *event_extender,
ClutterEvent *event);
};
GType clutter_event_extender_get_type (void) G_GNUC_CONST;
/* device manager */
void _clutter_device_manager_add_device (ClutterDeviceManager *device_manager,
ClutterInputDevice *device);
void _clutter_device_manager_remove_device (ClutterDeviceManager *device_manager,
ClutterInputDevice *device);
void _clutter_device_manager_update_devices (ClutterDeviceManager *device_manager);
void _clutter_device_manager_select_stage_events (ClutterDeviceManager *device_manager,
ClutterStage *stage);
ClutterBackend *_clutter_device_manager_get_backend (ClutterDeviceManager *device_manager);
/* input device */
gboolean _clutter_input_device_has_sequence (ClutterInputDevice *device,
ClutterEventSequence *sequence);
void _clutter_input_device_add_event_sequence (ClutterInputDevice *device,
ClutterEvent *event);
void _clutter_input_device_remove_event_sequence (ClutterInputDevice *device,
ClutterEvent *event);
void _clutter_input_device_set_coords (ClutterInputDevice *device,
ClutterEventSequence *sequence,
gfloat x,
gfloat y,
ClutterStage *stage);
void _clutter_input_device_set_state (ClutterInputDevice *device,
ClutterModifierType state);
void _clutter_input_device_set_time (ClutterInputDevice *device,
guint32 time_);
void _clutter_input_device_set_stage (ClutterInputDevice *device,
ClutterStage *stage);
ClutterStage * _clutter_input_device_get_stage (ClutterInputDevice *device);
void _clutter_input_device_set_actor (ClutterInputDevice *device,
ClutterEventSequence *sequence,
ClutterActor *actor,
gboolean emit_crossing);
ClutterActor * _clutter_input_device_update (ClutterInputDevice *device,
ClutterEventSequence *sequence,
gboolean emit_crossing);
void _clutter_input_device_set_n_keys (ClutterInputDevice *device,
guint n_keys);
guint _clutter_input_device_add_axis (ClutterInputDevice *device,
ClutterInputAxis axis,
gdouble min_value,
gdouble max_value,
gdouble resolution);
void _clutter_input_device_reset_axes (ClutterInputDevice *device);
void _clutter_input_device_set_associated_device (ClutterInputDevice *device,
ClutterInputDevice *associated);
void _clutter_input_device_add_slave (ClutterInputDevice *master,
ClutterInputDevice *slave);
void _clutter_input_device_remove_slave (ClutterInputDevice *master,
ClutterInputDevice *slave);
gboolean _clutter_input_device_translate_axis (ClutterInputDevice *device,
guint index_,
gdouble value,
gdouble *axis_value);
void _clutter_input_device_add_scroll_info (ClutterInputDevice *device,
guint index_,
ClutterScrollDirection direction,
gdouble increment);
void _clutter_input_device_reset_scroll_info (ClutterInputDevice *device);
gboolean _clutter_input_device_get_scroll_delta (ClutterInputDevice *device,
guint index_,
gdouble value,
ClutterScrollDirection *direction_p,
gdouble *delta_p);
G_END_DECLS
#endif /* __CLUTTER_DEVICE_MANAGER_PRIVATE_H__ */
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