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When != 0, this property will express the W:H ratio of the desired output area (be it one monitor or the span of all monitors). At the time of translating coordinates, coordinates will be skewed so that the input area of the tablet is a rectangle of the given ratio. Events happening in the input areas that fall outside the output aspect ratio will be clamped to the nearest coordinate in the rect. If the ratio is 0, the whole input area of the tablet will be used and no coordinate skewing will happen. https://bugzilla.gnome.org/show_bug.cgi?id=774115
117 lines
4.7 KiB
C
117 lines
4.7 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 Corp.
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* Copyright (C) 2014 Jonas Ådahl
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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: Damien Lespiau <damien.lespiau@intel.com>
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* Author: Jonas Ådahl <jadahl@gmail.com>
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*/
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#ifndef __CLUTTER_INPUT_DEVICE_EVDEV_H__
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#define __CLUTTER_INPUT_DEVICE_EVDEV_H__
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#include <glib-object.h>
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#include <libinput.h>
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#include "clutter/clutter-device-manager-private.h"
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#include "evdev/clutter-seat-evdev.h"
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_INPUT_DEVICE_EVDEV _clutter_input_device_evdev_get_type()
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#define CLUTTER_INPUT_DEVICE_EVDEV(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), \
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CLUTTER_TYPE_INPUT_DEVICE_EVDEV, ClutterInputDeviceEvdev))
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#define CLUTTER_INPUT_DEVICE_EVDEV_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), \
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CLUTTER_TYPE_INPUT_DEVICE_EVDEV, ClutterInputDeviceEvdevClass))
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#define CLUTTER_IS_INPUT_DEVICE_EVDEV(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
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CLUTTER_TYPE_INPUT_DEVICE_EVDEV))
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#define CLUTTER_IS_INPUT_DEVICE_EVDEV_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), \
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CLUTTER_TYPE_INPUT_DEVICE_EVDEV))
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#define CLUTTER_INPUT_DEVICE_EVDEV_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), \
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CLUTTER_TYPE_INPUT_DEVICE_EVDEV, ClutterInputDeviceEvdevClass))
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typedef struct _ClutterInputDeviceEvdev ClutterInputDeviceEvdev;
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typedef struct _ClutterEventEvdev ClutterEventEvdev;
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struct _ClutterInputDeviceEvdev
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{
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ClutterInputDevice parent;
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struct libinput_device *libinput_device;
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ClutterSeatEvdev *seat;
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ClutterInputDeviceTool *last_tool;
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cairo_matrix_t device_matrix;
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gdouble device_aspect_ratio; /* w:h */
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gdouble output_ratio; /* w:h */
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};
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GType _clutter_input_device_evdev_get_type (void) G_GNUC_CONST;
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ClutterInputDevice * _clutter_input_device_evdev_new (ClutterDeviceManager *manager,
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ClutterSeatEvdev *seat,
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struct libinput_device *libinput_device);
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ClutterInputDevice * _clutter_input_device_evdev_new_virtual (ClutterDeviceManager *manager,
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ClutterSeatEvdev *seat,
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ClutterInputDeviceType type,
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ClutterInputMode mode);
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ClutterSeatEvdev * _clutter_input_device_evdev_get_seat (ClutterInputDeviceEvdev *device);
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void _clutter_input_device_evdev_update_leds (ClutterInputDeviceEvdev *device,
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enum libinput_led leds);
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ClutterInputDeviceType _clutter_input_device_evdev_determine_type (struct libinput_device *libinput_device);
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ClutterEventEvdev * _clutter_event_evdev_copy (ClutterEventEvdev *event_evdev);
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void _clutter_event_evdev_free (ClutterEventEvdev *event_evdev);
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void _clutter_evdev_event_set_event_code (ClutterEvent *event,
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guint32 evcode);
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void _clutter_evdev_event_set_time_usec (ClutterEvent *event,
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guint64 time_usec);
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void _clutter_evdev_event_set_relative_motion (ClutterEvent *event,
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double dx,
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double dy,
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double dx_unaccel,
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double dy_unaccel);
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void clutter_input_device_evdev_translate_coordinates (ClutterInputDevice *device,
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ClutterStage *stage,
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gfloat *x,
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gfloat *y);
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G_END_DECLS
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#endif /* __CLUTTER_INPUT_DEVICE_EVDEV_H__ */
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