mutter/clutter/clutter/clutter-virtual-input-device.h
Carlos Garnacho bd4062a196 clutter: Limit number of touch slots available to a virtual touch device
It's not worth letting these devices have an "unlimited" range of touch
slots. Limiting it to 32 is more than enough to map it with real touch
devices nowadays.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1486
2020-10-23 18:48:18 +00:00

178 lines
8.6 KiB
C

/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Copyright (C) 2016 Red Hat inc.
*
* 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: Jonas Ådahl <jadahl@gmail.com>
*/
#ifndef __CLUTTER_VIRTUAL_INPUT_DEVICE_H__
#define __CLUTTER_VIRTUAL_INPUT_DEVICE_H__
#include <glib-object.h>
#include <stdint.h>
#include "clutter-seat.h"
#define CLUTTER_TYPE_VIRTUAL_INPUT_DEVICE (clutter_virtual_input_device_get_type ())
#define CLUTTER_VIRTUAL_INPUT_DEVICE_MAX_TOUCH_SLOTS 32u
CLUTTER_EXPORT
G_DECLARE_DERIVABLE_TYPE (ClutterVirtualInputDevice,
clutter_virtual_input_device,
CLUTTER, VIRTUAL_INPUT_DEVICE,
GObject)
typedef enum _ClutterButtonState
{
CLUTTER_BUTTON_STATE_RELEASED,
CLUTTER_BUTTON_STATE_PRESSED
} ClutterButtonState;
typedef enum _ClutterKeyState
{
CLUTTER_KEY_STATE_RELEASED,
CLUTTER_KEY_STATE_PRESSED
} ClutterKeyState;
struct _ClutterVirtualInputDeviceClass
{
GObjectClass parent_class;
void (*notify_relative_motion) (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
double dx,
double dy);
void (*notify_absolute_motion) (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
double x,
double y);
void (*notify_button) (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
uint32_t button,
ClutterButtonState button_state);
void (*notify_key) (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
uint32_t key,
ClutterKeyState key_state);
void (*notify_keyval) (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
uint32_t keyval,
ClutterKeyState key_state);
void (*notify_discrete_scroll) (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
ClutterScrollDirection direction,
ClutterScrollSource scroll_source);
void (*notify_scroll_continuous) (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
double dx,
double dy,
ClutterScrollSource scroll_source,
ClutterScrollFinishFlags finish_flags);
void (*notify_touch_down) (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
int slot,
double x,
double y);
void (*notify_touch_motion) (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
int slot,
double x,
double y);
void (*notify_touch_up) (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
int slot);
};
CLUTTER_EXPORT
void clutter_virtual_input_device_notify_relative_motion (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
double dx,
double dy);
CLUTTER_EXPORT
void clutter_virtual_input_device_notify_absolute_motion (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
double x,
double y);
CLUTTER_EXPORT
void clutter_virtual_input_device_notify_button (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
uint32_t button,
ClutterButtonState button_state);
CLUTTER_EXPORT
void clutter_virtual_input_device_notify_key (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
uint32_t key,
ClutterKeyState key_state);
CLUTTER_EXPORT
void clutter_virtual_input_device_notify_keyval (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
uint32_t keyval,
ClutterKeyState key_state);
CLUTTER_EXPORT
void clutter_virtual_input_device_notify_discrete_scroll (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
ClutterScrollDirection direction,
ClutterScrollSource scroll_source);
CLUTTER_EXPORT
void clutter_virtual_input_device_notify_scroll_continuous (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
double dx,
double dy,
ClutterScrollSource scroll_source,
ClutterScrollFinishFlags finish_flags);
CLUTTER_EXPORT
void clutter_virtual_input_device_notify_touch_down (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
int slot,
double x,
double y);
CLUTTER_EXPORT
void clutter_virtual_input_device_notify_touch_motion (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
int slot,
double x,
double y);
CLUTTER_EXPORT
void clutter_virtual_input_device_notify_touch_up (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
int slot);
CLUTTER_EXPORT
int clutter_virtual_input_device_get_device_type (ClutterVirtualInputDevice *virtual_device);
#endif /* __CLUTTER_VIRTUAL_INPUT_DEVICE_H__ */