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db11a37a68
Add support for click assist, namely simulated secondary click (on a long primary button press) and hover click support (simulate a click when the pointer remains static for some time). https://gitlab.gnome.org/GNOME/mutter/merge_requests/512
302 lines
13 KiB
C
302 lines
13 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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* Copyright (C) 2010 Intel Corporation.
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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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* Author:
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* Emmanuele Bassi <ebassi@linux.intel.com>
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*/
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#ifndef __CLUTTER_DEVICE_MANAGER_PRIVATE_H__
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#define __CLUTTER_DEVICE_MANAGER_PRIVATE_H__
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#include <clutter/clutter-backend.h>
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#include <clutter/clutter-device-manager.h>
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#include <clutter/clutter-event.h>
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G_BEGIN_DECLS
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typedef struct _ClutterAxisInfo
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{
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ClutterInputAxis axis;
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gdouble min_axis;
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gdouble max_axis;
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gdouble min_value;
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gdouble max_value;
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gdouble resolution;
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} ClutterAxisInfo;
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typedef struct _ClutterKeyInfo
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{
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guint keyval;
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ClutterModifierType modifiers;
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} ClutterKeyInfo;
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typedef struct _ClutterScrollInfo
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{
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guint axis_id;
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ClutterScrollDirection direction;
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gdouble increment;
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gdouble last_value;
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guint last_value_valid : 1;
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} ClutterScrollInfo;
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typedef struct _ClutterTouchInfo
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{
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ClutterEventSequence *sequence;
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ClutterActor *actor;
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gfloat current_x;
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gfloat current_y;
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} ClutterTouchInfo;
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typedef struct _ClutterPtrA11yData
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{
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int n_btn_pressed;
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float current_x;
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float current_y;
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float dwell_x;
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float dwell_y;
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gboolean dwell_drag_started;
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gboolean dwell_gesture_started;
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guint dwell_timer;
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guint secondary_click_timer;
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gboolean secondary_click_triggered;
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} ClutterPtrA11yData;
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struct _ClutterInputDevice
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{
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GObject parent_instance;
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gint id;
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ClutterInputDeviceType device_type;
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ClutterInputMode device_mode;
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gchar *device_name;
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ClutterDeviceManager *device_manager;
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ClutterBackend *backend;
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/* the associated device */
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ClutterInputDevice *associated;
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GList *slaves;
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/* the actor underneath the pointer */
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ClutterActor *cursor_actor;
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GHashTable *inv_touch_sequence_actors;
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/* the actor that has a grab in place for the device */
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ClutterActor *pointer_grab_actor;
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ClutterActor *keyboard_grab_actor;
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GHashTable *sequence_grab_actors;
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GHashTable *inv_sequence_grab_actors;
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/* the current click count */
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gint click_count;
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/* the stage the device is on */
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ClutterStage *stage;
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/* the current state */
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gfloat current_x;
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gfloat current_y;
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guint32 current_time;
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gint current_button_number;
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ClutterModifierType current_state;
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/* the current touch points states */
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GHashTable *touch_sequences_info;
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/* the previous state, used for click count generation */
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gint previous_x;
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gint previous_y;
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guint32 previous_time;
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gint previous_button_number;
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ClutterModifierType previous_state;
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GArray *axes;
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guint n_keys;
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GArray *keys;
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GArray *scroll_info;
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gchar *vendor_id;
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gchar *product_id;
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gchar *node_path;
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GPtrArray *tools;
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gint n_rings;
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gint n_strips;
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gint n_mode_groups;
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ClutterInputDeviceMapping mapping_mode;
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guint has_cursor : 1;
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guint is_enabled : 1;
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/* Accessiblity */
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ClutterVirtualInputDevice *accessibility_virtual_device;
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ClutterPtrA11yData *ptr_a11y_data;
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};
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typedef void (*ClutterEmitInputDeviceEvent) (ClutterEvent *event,
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ClutterInputDevice *device);
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struct _ClutterInputDeviceClass
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{
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GObjectClass parent_class;
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gboolean (* keycode_to_evdev) (ClutterInputDevice *device,
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guint hardware_keycode,
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guint *evdev_keycode);
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void (* update_from_tool) (ClutterInputDevice *device,
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ClutterInputDeviceTool *tool);
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gboolean (* is_mode_switch_button) (ClutterInputDevice *device,
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guint group,
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guint button);
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gint (* get_group_n_modes) (ClutterInputDevice *device,
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gint group);
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gboolean (* is_grouped) (ClutterInputDevice *device,
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ClutterInputDevice *other_device);
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/* Keyboard accessbility */
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void (* process_kbd_a11y_event) (ClutterEvent *event,
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ClutterInputDevice *device,
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ClutterEmitInputDeviceEvent emit_event_func);
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};
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/* Platform-dependent interface */
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typedef struct _ClutterEventExtender ClutterEventExtender;
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typedef struct _ClutterEventExtenderInterface ClutterEventExtenderInterface;
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#define CLUTTER_TYPE_EVENT_EXTENDER (clutter_event_extender_get_type ())
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#define CLUTTER_EVENT_EXTENDER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), CLUTTER_TYPE_EVENT_EXTENDER, ClutterEventExtender))
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#define CLUTTER_IS_EVENT_EXTENDER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), CLUTTER_TYPE_EVENT_EXTENDER))
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#define CLUTTER_EVENT_EXTENDER_GET_IFACE(o) (G_TYPE_INSTANCE_GET_INTERFACE ((o), CLUTTER_TYPE_EVENT_EXTENDER, ClutterEventExtenderInterface))
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struct _ClutterEventExtenderInterface
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{
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GTypeInterface g_iface;
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void (* copy_event_data) (ClutterEventExtender *event_extender,
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const ClutterEvent *src,
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ClutterEvent *dest);
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void (* free_event_data) (ClutterEventExtender *event_extender,
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ClutterEvent *event);
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};
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GType clutter_event_extender_get_type (void) G_GNUC_CONST;
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/* device manager */
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void _clutter_device_manager_add_device (ClutterDeviceManager *device_manager,
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ClutterInputDevice *device);
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void _clutter_device_manager_remove_device (ClutterDeviceManager *device_manager,
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ClutterInputDevice *device);
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void _clutter_device_manager_update_devices (ClutterDeviceManager *device_manager);
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void _clutter_device_manager_select_stage_events (ClutterDeviceManager *device_manager,
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ClutterStage *stage);
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ClutterBackend *_clutter_device_manager_get_backend (ClutterDeviceManager *device_manager);
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void _clutter_device_manager_compress_motion (ClutterDeviceManager *device_manger,
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ClutterEvent *event,
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const ClutterEvent *to_discard);
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/* input device */
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gboolean _clutter_input_device_has_sequence (ClutterInputDevice *device,
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ClutterEventSequence *sequence);
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void _clutter_input_device_add_event_sequence (ClutterInputDevice *device,
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ClutterEvent *event);
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void _clutter_input_device_remove_event_sequence (ClutterInputDevice *device,
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ClutterEvent *event);
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void _clutter_input_device_set_coords (ClutterInputDevice *device,
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ClutterEventSequence *sequence,
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gfloat x,
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gfloat y,
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ClutterStage *stage);
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void _clutter_input_device_set_state (ClutterInputDevice *device,
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ClutterModifierType state);
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void _clutter_input_device_set_time (ClutterInputDevice *device,
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guint32 time_);
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void _clutter_input_device_set_stage (ClutterInputDevice *device,
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ClutterStage *stage);
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ClutterStage * _clutter_input_device_get_stage (ClutterInputDevice *device);
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void _clutter_input_device_set_actor (ClutterInputDevice *device,
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ClutterEventSequence *sequence,
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ClutterActor *actor,
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gboolean emit_crossing);
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ClutterActor * _clutter_input_device_update (ClutterInputDevice *device,
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ClutterEventSequence *sequence,
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gboolean emit_crossing);
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void _clutter_input_device_set_n_keys (ClutterInputDevice *device,
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guint n_keys);
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guint _clutter_input_device_add_axis (ClutterInputDevice *device,
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ClutterInputAxis axis,
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gdouble min_value,
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gdouble max_value,
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gdouble resolution);
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void _clutter_input_device_reset_axes (ClutterInputDevice *device);
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void _clutter_input_device_set_associated_device (ClutterInputDevice *device,
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ClutterInputDevice *associated);
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void _clutter_input_device_add_slave (ClutterInputDevice *master,
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ClutterInputDevice *slave);
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void _clutter_input_device_remove_slave (ClutterInputDevice *master,
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ClutterInputDevice *slave);
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gboolean _clutter_input_device_translate_axis (ClutterInputDevice *device,
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guint index_,
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gdouble value,
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gdouble *axis_value);
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void _clutter_input_device_add_scroll_info (ClutterInputDevice *device,
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guint index_,
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ClutterScrollDirection direction,
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gdouble increment);
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void _clutter_input_device_reset_scroll_info (ClutterInputDevice *device);
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gboolean _clutter_input_device_get_scroll_delta (ClutterInputDevice *device,
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guint index_,
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gdouble value,
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ClutterScrollDirection *direction_p,
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gdouble *delta_p);
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ClutterInputDeviceTool * clutter_input_device_lookup_tool (ClutterInputDevice *device,
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guint64 serial,
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ClutterInputDeviceToolType type);
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void clutter_input_device_add_tool (ClutterInputDevice *device,
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ClutterInputDeviceTool *tool);
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void clutter_input_device_update_from_tool (ClutterInputDevice *device,
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ClutterInputDeviceTool *tool);
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G_END_DECLS
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#endif /* __CLUTTER_DEVICE_MANAGER_PRIVATE_H__ */
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