void MediaView::touchEvent(QTouchEvent *e) {
switch (e->type()) {
case QEvent::TouchBegin:
if (_touchPress || e->touchPoints().isEmpty()) return;
_touchTimer.start(QApplication::startDragTime());
_touchPress = true;
_touchMove = _touchRightButton = false;
_touchStart = e->touchPoints().cbegin()->screenPos().toPoint();
break;
case QEvent::TouchUpdate:
if (!_touchPress || e->touchPoints().isEmpty()) return;
if (!_touchMove && (e->touchPoints().cbegin()->screenPos().toPoint() - _touchStart).manhattanLength() >= QApplication::startDragDistance()) {
_touchMove = true;
}
break;
case QEvent::TouchEnd:
if (!_touchPress) return;
if (!_touchMove && App::wnd()) {
Qt::MouseButton btn(_touchRightButton ? Qt::RightButton : Qt::LeftButton);
QPoint mapped(mapFromGlobal(_touchStart)), winMapped(App::wnd()->mapFromGlobal(_touchStart));
QMouseEvent pressEvent(QEvent::MouseButtonPress, mapped, winMapped, _touchStart, btn, Qt::MouseButtons(btn), Qt::KeyboardModifiers());
pressEvent.accept();
mousePressEvent(&pressEvent);
QMouseEvent releaseEvent(QEvent::MouseButtonRelease, mapped, winMapped, _touchStart, btn, Qt::MouseButtons(btn), Qt::KeyboardModifiers());
mouseReleaseEvent(&releaseEvent);
if (_touchRightButton) {
QContextMenuEvent contextEvent(QContextMenuEvent::Mouse, mapped, _touchStart);
contextMenuEvent(&contextEvent);
}
} else if (_touchMove) {
if ((!_leftNavVisible || !_leftNav.contains(mapFromGlobal(_touchStart))) && (!_rightNavVisible || !_rightNav.contains(mapFromGlobal(_touchStart)))) {
QPoint d = (e->touchPoints().cbegin()->screenPos().toPoint() - _touchStart);
if (d.x() * d.x() > d.y() * d.y() && (d.x() > st::medviewSwipeDistance || d.x() < -st::medviewSwipeDistance)) {
moveToPhoto(d.x() > 0 ? -1 : 1);
}
}
}
_touchTimer.stop();
_touchPress = _touchMove = _touchRightButton = false;
break;
case QEvent::TouchCancel:
_touchPress = false;
_touchTimer.stop();
break;
}
}
void FlatTextarea::touchEvent(QTouchEvent *e) {
switch (e->type()) {
case QEvent::TouchBegin:
if (_touchPress || e->touchPoints().isEmpty()) return;
_touchTimer.start(QApplication::startDragTime());
_touchPress = true;
_touchMove = _touchRightButton = false;
_touchStart = e->touchPoints().cbegin()->screenPos().toPoint();
break;
case QEvent::TouchUpdate:
if (!_touchPress || e->touchPoints().isEmpty()) return;
if (!_touchMove && (e->touchPoints().cbegin()->screenPos().toPoint() - _touchStart).manhattanLength() >= QApplication::startDragDistance()) {
_touchMove = true;
}
break;
case QEvent::TouchEnd:
if (!_touchPress) return;
if (!_touchMove && window()) {
Qt::MouseButton btn(_touchRightButton ? Qt::RightButton : Qt::LeftButton);
QPoint mapped(mapFromGlobal(_touchStart)), winMapped(window()->mapFromGlobal(_touchStart));
if (_touchRightButton) {
QContextMenuEvent contextEvent(QContextMenuEvent::Mouse, mapped, _touchStart);
contextMenuEvent(&contextEvent);
}
}
_touchTimer.stop();
_touchPress = _touchMove = _touchRightButton = false;
break;
case QEvent::TouchCancel:
_touchPress = false;
_touchTimer.stop();
break;
}
}
void ScrollArea::touchEvent(QTouchEvent *e) {
if (!e->touchPoints().isEmpty()) {
_touchPrevPos = _touchPos;
_touchPos = e->touchPoints().cbegin()->screenPos().toPoint();
}
switch (e->type()) {
case QEvent::TouchBegin:
if (_touchPress || e->touchPoints().isEmpty()) return;
_touchPress = true;
if (_touchScrollState == TouchScrollAuto) {
_touchScrollState = TouchScrollAcceleration;
_touchWaitingAcceleration = true;
_touchAccelerationTime = getms();
touchUpdateSpeed();
_touchStart = _touchPos;
} else {
_touchScroll = false;
_touchTimer.start(QApplication::startDragTime());
}
_touchStart = _touchPrevPos = _touchPos;
_touchRightButton = false;
break;
case QEvent::TouchUpdate:
if (!_touchPress) return;
if (!_touchScroll && (_touchPos - _touchStart).manhattanLength() >= QApplication::startDragDistance()) {
_touchTimer.stop();
_touchScroll = true;
touchUpdateSpeed();
}
if (_touchScroll) {
if (_touchScrollState == TouchScrollManual) {
touchScrollUpdated(_touchPos);
} else if (_touchScrollState == TouchScrollAcceleration) {
touchUpdateSpeed();
_touchAccelerationTime = getms();
if (_touchSpeed.isNull()) {
_touchScrollState = TouchScrollManual;
}
}
}
break;
case QEvent::TouchEnd:
if (!_touchPress) return;
_touchPress = false;
if (_touchScroll) {
if (_touchScrollState == TouchScrollManual) {
_touchScrollState = TouchScrollAuto;
_touchPrevPosValid = false;
_touchScrollTimer.start(15);
_touchTime = getms();
} else if (_touchScrollState == TouchScrollAuto) {
_touchScrollState = TouchScrollManual;
_touchScroll = false;
touchResetSpeed();
} else if (_touchScrollState == TouchScrollAcceleration) {
_touchScrollState = TouchScrollAuto;
_touchWaitingAcceleration = false;
_touchPrevPosValid = false;
}
} else if (window() && widget()) { // one short tap -- like left mouse click, one long tap -- like right mouse click
#ifdef Q_OS_WIN
Qt::MouseButton btn(_touchRightButton ? Qt::RightButton : Qt::LeftButton);
QPoint mapped(widget()->mapFromGlobal(_touchStart)), winMapped(window()->mapFromGlobal(_touchStart));
QMouseEvent pressEvent(QEvent::MouseButtonPress, mapped, winMapped, _touchStart, btn, Qt::MouseButtons(btn), Qt::KeyboardModifiers());
pressEvent.accept();
qt_sendSpontaneousEvent(widget(), &pressEvent);
QMouseEvent releaseEvent(QEvent::MouseButtonRelease, mapped, winMapped, _touchStart, btn, Qt::MouseButtons(btn), Qt::KeyboardModifiers());
qt_sendSpontaneousEvent(widget(), &releaseEvent);
if (_touchRightButton) {
QContextMenuEvent contextEvent(QContextMenuEvent::Mouse, mapped, _touchStart);
qt_sendSpontaneousEvent(widget(), &contextEvent);
}
#endif
}
_touchTimer.stop();
_touchRightButton = false;
break;
case QEvent::TouchCancel:
_touchPress = false;
_touchScroll = false;
_touchScrollState = TouchScrollManual;
_touchTimer.stop();
break;
}
}