void ScrollArea::onScrolled() {
myEnsureResized(widget());
bool em = false;
int horizontalValue = horizontalScrollBar()->value();
int verticalValue = verticalScrollBar()->value();
if (_horizontalValue != horizontalValue) {
if (_disabled) {
horizontalScrollBar()->setValue(_horizontalValue);
} else {
_horizontalValue = horizontalValue;
if (_st.hiding) {
_horizontalBar->hideTimeout(_st.hiding);
}
em = true;
}
}
if (_verticalValue != verticalValue) {
if (_disabled) {
verticalScrollBar()->setValue(_verticalValue);
} else {
_verticalValue = verticalValue;
if (_st.hiding) {
_verticalBar->hideTimeout(_st.hiding);
}
em = true;
}
}
if (em) {
emit scrolled();
if (!_movingByScrollBar) {
sendSynteticMouseEvent(this, QEvent::MouseMove, Qt::NoButton);
}
}
}
void CalendarBox::Inner::monthChanged(QDate month) {
setSelected(kEmptySelection);
_ripples.clear();
resizeToCurrent();
update();
sendSynteticMouseEvent(this, QEvent::MouseMove, Qt::NoButton);
}
void UpdateStateRow::setState(State state, bool force) {
if (_state != state || force) {
_state = state;
switch (state) {
case State::None: _check->show(); _restart->hide(); break;
case State::Ready: _check->hide(); _restart->show(); break;
case State::Check:
case State::Download:
case State::Latest:
case State::Fail: _check->hide(); _restart->hide(); break;
}
resizeToWidth(width());
sendSynteticMouseEvent(this, QEvent::MouseMove, Qt::NoButton);
update();
}
}
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()) { // one short tap -- like left mouse click, one long tap -- like right mouse click
Qt::MouseButton btn(_touchRightButton ? Qt::RightButton : Qt::LeftButton);
sendSynteticMouseEvent(this, QEvent::MouseMove, Qt::NoButton, _touchStart);
sendSynteticMouseEvent(this, QEvent::MouseButtonPress, btn, _touchStart);
sendSynteticMouseEvent(this, QEvent::MouseButtonRelease, btn, _touchStart);
if (_touchRightButton) {
auto windowHandle = window()->windowHandle();
auto localPoint = windowHandle->mapFromGlobal(_touchStart);
QContextMenuEvent ev(QContextMenuEvent::Mouse, localPoint, _touchStart, QGuiApplication::keyboardModifiers());
ev.setTimestamp(getms());
QGuiApplication::sendEvent(windowHandle, &ev);
}
}
_touchTimer.stop();
_touchRightButton = false;
break;
case QEvent::TouchCancel:
_touchPress = false;
_touchScroll = false;
_touchScrollState = TouchScrollManual;
_touchTimer.stop();
break;
}
}
