本文整理汇总了C++中QQuickItem::acceptedMouseButtons方法的典型用法代码示例。如果您正苦于以下问题:C++ QQuickItem::acceptedMouseButtons方法的具体用法?C++ QQuickItem::acceptedMouseButtons怎么用?C++ QQuickItem::acceptedMouseButtons使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QQuickItem
的用法示例。
在下文中一共展示了QQuickItem::acceptedMouseButtons方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: dispatchTouchBegin
void TouchDispatcher::dispatchTouchBegin(
QTouchDevice *device,
Qt::KeyboardModifiers modifiers,
const QList<QTouchEvent::TouchPoint> &touchPoints,
QWindow *window,
ulong timestamp)
{
Q_ASSERT(m_status == NoActiveTouch);
QQuickItem *targetItem = m_targetItem.data();
if (!targetItem->isEnabled() || !targetItem->isVisible()) {
ugDebug("Cannot dispatch touch event to " << targetItem << " because it's disabled or invisible.");
return;
}
// Map touch points to targetItem coordinates
QList<QTouchEvent::TouchPoint> targetTouchPoints = touchPoints;
transformTouchPoints(targetTouchPoints, QQuickItemPrivate::get(targetItem)->windowToItemTransform());
QScopedPointer<QTouchEvent> touchEvent(
createQTouchEvent(QEvent::TouchBegin, device, modifiers, targetTouchPoints, window, timestamp));
ugDebug("dispatching " << qPrintable(touchEventToString(touchEvent.data()))
<< " to " << targetItem);
QCoreApplication::sendEvent(targetItem, touchEvent.data());
if (touchEvent->isAccepted()) {
ugDebug("Item accepted the touch event.");
setStatus(DeliveringTouchEvents);
} else if (targetItem->acceptedMouseButtons() & Qt::LeftButton) {
ugDebug("Item rejected the touch event. Trying a QMouseEvent");
// NB: Arbitrarily chose the first touch point to emulate the mouse pointer
QScopedPointer<QMouseEvent> mouseEvent(
touchToMouseEvent(QEvent::MouseButtonPress, targetTouchPoints.at(0), timestamp,
modifiers, false /* transformNeeded */));
Q_ASSERT(targetTouchPoints.at(0).state() == Qt::TouchPointPressed);
ugDebug("dispatching " << qPrintable(mouseEventToString(mouseEvent.data()))
<< " to " << m_targetItem.data());
QCoreApplication::sendEvent(targetItem, mouseEvent.data());
if (mouseEvent->isAccepted()) {
ugDebug("Item accepted the QMouseEvent.");
setStatus(DeliveringMouseEvents);
m_touchMouseId = targetTouchPoints.at(0).id();
if (checkIfDoubleClicked(timestamp)) {
QScopedPointer<QMouseEvent> doubleClickEvent(
touchToMouseEvent(QEvent::MouseButtonDblClick, targetTouchPoints.at(0), timestamp,
modifiers, false /* transformNeeded */));
ugDebug("dispatching " << qPrintable(mouseEventToString(doubleClickEvent.data()))
<< " to " << m_targetItem.data());
QCoreApplication::sendEvent(targetItem, doubleClickEvent.data());
}
} else {
ugDebug("Item rejected the QMouseEvent.");
setStatus(TargetRejectedTouches);
}
} else {
ugDebug("Item rejected the touch event and does not accept mouse buttons.");
setStatus(TargetRejectedTouches);
}
}