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WindowInputMonitor.h
/*
* Copyright (C) 2015-2016 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/>.
*/
#ifndef LOMIRI_WINDOWINPUTMONITOR_H
#define LOMIRI_WINDOWINPUTMONITOR_H
#include <QQuickItem>
#include <QList>
#include <QPointer>
#include "Timer.h"
#include "ElapsedTimer.h"
class WindowInputMonitor : public QQuickItem
{
Q_OBJECT
public:
WindowInputMonitor(QQuickItem *parent = 0);
// for testing
WindowInputMonitor(LomiriUtil::AbstractTimer *timer,
LomiriUtil::AbstractElapsedTimer *elapsedTimer,
QQuickItem *parent = 0);
virtual ~WindowInputMonitor();
bool eventFilter(QObject *watched, QEvent *event) override;
void update(QEvent *event);
const qint64 msecsWithoutTouches = 150;
Q_SIGNALS:
void homeKeyActivated();
void touchBegun();
void touchEnded(const QPointF &pos);
private Q_SLOTS:
void setupFilterOnWindow(QQuickWindow *window);
void emitActivatedIfNoTouchesAround();
private:
QPointer<QQuickWindow> m_filteredWindow;
bool m_windowBeingTouched;
LomiriUtil::AbstractElapsedTimer *m_windowLastTouchedTimer;
LomiriUtil::AbstractTimer *m_activationTimer;
// Qt::Keys that are mapped to our "home" key.
QList<int> m_homeKeys{Qt::Key_Super_L, Qt::Key_HomePage};
// Which Qt::Key from m_homeKeys is currently pressed.
// 0 if none
int m_pressedHomeKey{0};
};
#endif // LOMIRI_WINDOWINPUTMONITOR_H
LomiriUtil::AbstractElapsedTimer
Definition ElapsedTimer.h:29
LomiriUtil::AbstractTimer
Definition Timer.h:30
WindowInputMonitor::homeKeyActivated
void homeKeyActivated()
WindowInputMonitor::touchEnded
void touchEnded(const QPointF &pos)
WindowInputMonitor::touchBegun
void touchBegun()