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qamousesensor.cpp
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114 lines (92 loc) · 2.06 KB
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/* Quick Android Project
Author: Ben Lau
License: Apache-2.0
Web: https://github.com/benlau/quickandroid
*/
#include <QtQml>
#include <QEvent>
#include "qamousesensor.h"
/*!
* \brief QAMouseSensor::QAMouseSensor
* \param parent
*/
QAMouseSensor::QAMouseSensor(QQuickItem* parent) : QQuickItem(parent)
{
timerId = 0;
m_filter = 0;
}
void QAMouseSensor::mousePressEvent(QMouseEvent *event)
{
if (timerId != 0) {
killTimer(timerId);
timerId = 0;
}
timerId = startTimer(800,Qt::CoarseTimer);
return QQuickItem::mousePressEvent(event);
}
void QAMouseSensor::mouseMoveEvent(QMouseEvent *event)
{
QQuickItem::mouseMoveEvent(event);
}
void QAMouseSensor::mouseReleaseEvent(QMouseEvent *event)
{
if (timerId != 0) {
killTimer(timerId);
timerId = 0;
}
QQuickItem::mouseReleaseEvent(event);
}
void QAMouseSensor::timerEvent(QTimerEvent *event)
{
killTimer(timerId);
Q_UNUSED(event);
timerId = 0;
emit pressAndHold();
}
bool QAMouseSensor::eventFilter(QObject *, QEvent *event)
{
if (!isEnabled())
return false;
switch (event->type()) {
case QEvent::MouseButtonPress:
mousePressEvent((QMouseEvent*) event);
break;
case QEvent::MouseMove:
mouseMoveEvent((QMouseEvent*) event);
break;
case QEvent::MouseButtonRelease:
mouseReleaseEvent((QMouseEvent*) event);
break;
case QEvent::Timer:
break;
default:
break;
}
return false;
}
void QAMouseSensor::search(QObject *object, bool installFilter)
{
if (installFilter) {
object->installEventFilter(this);
} else {
object->removeEventFilter(this);
}
QObjectList children = object->children();
Q_FOREACH(QObject* child,children) {
search(child,installFilter);
}
}
QObject *QAMouseSensor::filter() const
{
return m_filter;
}
void QAMouseSensor::setFilter(QObject *listenOn)
{
if (m_filter) {
search(m_filter,false);
}
m_filter = listenOn;
if (m_filter) {
search(m_filter,true);
}
}