18 #include "inputwatcher.h"
20 #include <QMouseEvent>
22 InputWatcher::InputWatcher(QObject *parent)
24 , m_mousePressed(false)
25 , m_touchPressed(false)
29 QObject *InputWatcher::target()
const
34 void InputWatcher::setTarget(QObject *value)
36 if (m_target == value) {
41 m_target->removeEventFilter(
this);
44 setMousePressed(
false);
45 setTouchPressed(
false);
49 m_target->installEventFilter(
this);
52 Q_EMIT targetChanged(value);
55 bool InputWatcher::targetPressed()
const
57 return m_mousePressed || m_touchPressed;
60 bool InputWatcher::eventFilter(QObject* , QEvent *event)
62 switch (event->type()) {
63 case QEvent::TouchBegin:
64 setTouchPressed(
true);
66 case QEvent::TouchEnd:
67 setTouchPressed(
false);
69 case QEvent::MouseButtonPress:
71 QMouseEvent *mouseEvent =
static_cast<QMouseEvent*
>(event);
72 if (mouseEvent->button() == Qt::LeftButton) {
73 setMousePressed(
true);
77 case QEvent::MouseButtonRelease:
79 QMouseEvent *mouseEvent =
static_cast<QMouseEvent*
>(event);
80 if (mouseEvent->button() == Qt::LeftButton) {
81 setMousePressed(
false);
94 void InputWatcher::setMousePressed(
bool value)
96 if (value == m_mousePressed) {
100 bool oldPressed = targetPressed();
101 m_mousePressed = value;
102 if (targetPressed() != oldPressed) {
103 Q_EMIT targetPressedChanged(targetPressed());
107 void InputWatcher::setTouchPressed(
bool value)
109 if (value == m_touchPressed) {
113 bool oldPressed = targetPressed();
114 m_touchPressed = value;
115 if (targetPressed() != oldPressed) {
116 Q_EMIT targetPressedChanged(targetPressed());