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/*
* Copyright (C) 2013 Canonical, Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Daniel d'Andrada <daniel.dandrada@canonical.com>
*/
#ifndef MOUSE_TOUCH_ADAPTOR_H
#define MOUSE_TOUCH_ADAPTOR_H
#include <QtCore/QAbstractNativeEventFilter>
#include <xcb/xcb.h>
class QMouseEvent;
class QTouchDevice;
class QWindow;
// Transforms QMouseEvents into single-finger QTouchEvents.
class MouseTouchAdaptor : public QAbstractNativeEventFilter {
public:
MouseTouchAdaptor();
// The window that will receive the generated QTouchEvents
void setTargetWindow(QWindow *window);
// Filters mouse events and posts the equivalent QTouchEvents.
virtual bool nativeEventFilter(const QByteArray & eventType, void *message, long *result);
private:
bool handleButtonPress(xcb_button_press_event_t *pressEvent);
bool handleButtonRelease(xcb_button_release_event_t *releaseEvent);
bool handleMotionNotify(xcb_motion_notify_event_t *event);
QWindow *m_targetWindow;
QTouchDevice *m_touchDevice;
bool m_leftButtonIsPressed;
};
#endif // MOUSE_TOUCH_ADAPTOR_H
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