/** * clutter_input_device_update_from_event: * @device: a #ClutterInputDevice * @event: a #ClutterEvent * @update_stage: whether to update the #ClutterStage of the @device * using the stage of the event * * Forcibly updates the state of the @device using a #ClutterEvent * * This function should never be used by applications: it is meant * for integration with embedding toolkits, like clutter-gtk * * Embedding toolkits that disable the event collection inside Clutter * need to use this function to update the state of input devices depending * on a #ClutterEvent that they are going to submit to the event handling code * in Clutter though clutter_do_event(). Since the input devices hold the state * that is going to be used to fill in fields like the #ClutterButtonEvent * click count, or to emit synthesized events like %CLUTTER_ENTER and * %CLUTTER_LEAVE, it is necessary for embedding toolkits to also be * responsible of updating the input device state. * * For instance, this might be the code to translate an embedding toolkit * native motion notification into a Clutter #ClutterMotionEvent and ask * Clutter to process it: * * |[ * ClutterEvent c_event; * * translate_native_event_to_clutter (native_event, &c_event); * * clutter_do_event (&c_event); * ]| * * Before letting clutter_do_event() process the event, it is necessary to call * clutter_input_device_update_from_event(): * * |[ * ClutterEvent c_event; * ClutterDeviceManager *manager; * ClutterInputDevice *device; * * translate_native_event_to_clutter (native_event, &c_event); * * /* get the device manager */ * manager = clutter_device_manager_get_default (); * * /* use the default Core Pointer that Clutter * * backends register by default * */ * device = clutter_device_manager_get_core_device (manager, %CLUTTER_POINTER_DEVICE); * * /* update the state of the input device */ * clutter_input_device_update_from_event (device, &c_event, FALSE); * * clutter_do_event (&c_event); * ]| * * The @update_stage boolean argument should be used when the input device * enters and leaves a #ClutterStage; it will use the #ClutterStage field * of the passed @event to update the stage associated to the input device. * * Since: 1.2 */ void clutter_input_device_update_from_event (ClutterInputDevice *device, ClutterEvent *event, gboolean update_stage) { ClutterModifierType event_state; ClutterStage *event_stage; gfloat event_x, event_y; guint32 event_time; g_return_if_fail (CLUTTER_IS_INPUT_DEVICE (device)); g_return_if_fail (event != NULL); event_state = clutter_event_get_state (event); event_time = clutter_event_get_time (event); event_stage = clutter_event_get_stage (event); clutter_event_get_coords (event, &event_x, &event_y); _clutter_input_device_set_coords (device, event_x, event_y); _clutter_input_device_set_state (device, event_state); _clutter_input_device_set_time (device, event_time); if (update_stage) _clutter_input_device_set_stage (device, event_stage); }
ClutterSeatEvdev * clutter_seat_evdev_new (ClutterDeviceManagerEvdev *manager_evdev) { ClutterDeviceManager *manager = CLUTTER_DEVICE_MANAGER (manager_evdev); ClutterSeatEvdev *seat; ClutterInputDevice *device; ClutterStage *stage; ClutterKeymap *keymap; struct xkb_keymap *xkb_keymap; seat = g_new0 (ClutterSeatEvdev, 1); if (!seat) return NULL; seat->manager_evdev = manager_evdev; device = _clutter_input_device_evdev_new_virtual ( manager, seat, CLUTTER_POINTER_DEVICE, CLUTTER_INPUT_MODE_MASTER); stage = _clutter_device_manager_evdev_get_stage (manager_evdev); _clutter_input_device_set_stage (device, stage); seat->pointer_x = INITIAL_POINTER_X; seat->pointer_y = INITIAL_POINTER_Y; _clutter_input_device_set_coords (device, NULL, seat->pointer_x, seat->pointer_y, NULL); _clutter_device_manager_add_device (manager, device); seat->core_pointer = device; device = _clutter_input_device_evdev_new_virtual ( manager, seat, CLUTTER_KEYBOARD_DEVICE, CLUTTER_INPUT_MODE_MASTER); _clutter_input_device_set_stage (device, stage); _clutter_device_manager_add_device (manager, device); seat->core_keyboard = device; seat->repeat = TRUE; seat->repeat_delay = 250; /* ms */ seat->repeat_interval = 33; /* ms */ keymap = clutter_backend_get_keymap (clutter_get_default_backend ()); xkb_keymap = clutter_keymap_evdev_get_keyboard_map (CLUTTER_KEYMAP_EVDEV (keymap)); if (xkb_keymap) { seat->xkb = xkb_state_new (xkb_keymap); seat->caps_lock_led = xkb_keymap_led_get_index (xkb_keymap, XKB_LED_NAME_CAPS); seat->num_lock_led = xkb_keymap_led_get_index (xkb_keymap, XKB_LED_NAME_NUM); seat->scroll_lock_led = xkb_keymap_led_get_index (xkb_keymap, XKB_LED_NAME_SCROLL); } return seat; }