本文整理汇总了C++中QPanGesture::d_func方法的典型用法代码示例。如果您正苦于以下问题：C++ QPanGesture::d_func方法的具体用法？C++ QPanGesture::d_func怎么用？C++ QPanGesture::d_func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QPanGesture的用法示例。
在下文中一共展示了QPanGesture::d_func方法的4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: reset
void QPanGestureRecognizer::reset(QGesture *state)
{
QPanGesture *pan = static_cast<QPanGesture*>(state);
QPanGesturePrivate *d = pan->d_func();
d->lastOffset = d->offset = QPointF();
d->acceleration = 0;
QGestureRecognizer::reset(state);
}示例2: recognize
QGestureRecognizer::Result QPanGestureRecognizer::recognize(QGesture *state,
QObject *,
QEvent *event)
{
QPanGesture *q = static_cast<QPanGesture *>(state);
QPanGesturePrivate *d = q->d_func();
QGestureRecognizer::Result result = QGestureRecognizer::Ignore;
switch (event->type()) {
case QEvent::TouchBegin: {
const QTouchEvent *ev = static_cast<const QTouchEvent *>(event);
result = QGestureRecognizer::MayBeGesture;
QTouchEvent::TouchPoint p = ev->touchPoints().at(0);
d->lastOffset = d->offset = QPointF();
d->pointCount = m_pointCount;
break;
}
case QEvent::TouchEnd: {
if (q->state() != Qt::NoGesture) {
const QTouchEvent *ev = static_cast<const QTouchEvent *>(event);
if (ev->touchPoints().size() == d->pointCount) {
d->lastOffset = d->offset;
d->offset = panOffset(ev->touchPoints(), d->pointCount);
}
result = QGestureRecognizer::FinishGesture;
} else {
result = QGestureRecognizer::CancelGesture;
}
break;
}
case QEvent::TouchUpdate: {
const QTouchEvent *ev = static_cast<const QTouchEvent *>(event);
if (ev->touchPoints().size() >= d->pointCount) {
d->lastOffset = d->offset;
d->offset = panOffset(ev->touchPoints(), d->pointCount);
if (d->offset.x() > 10 || d->offset.y() > 10 ||
d->offset.x() < -10 || d->offset.y() < -10) {
q->setHotSpot(ev->touchPoints().first().startScreenPos());
result = QGestureRecognizer::TriggerGesture;
} else {
result = QGestureRecognizer::MayBeGesture;
}
}
break;
}
default:
break;
}
return result;
}示例3: recognize
QGestureRecognizer::Result QWinNativePanGestureRecognizer::recognize(QGesture *state,
QObject *,
QEvent *event)
{
QPanGesture *q = static_cast<QPanGesture*>(state);
QPanGesturePrivate *d = q->d_func();
QGestureRecognizer::Result result = QGestureRecognizer::Ignore;
if (event->type() == QEvent::NativeGesture) {
QNativeGestureEvent *ev = static_cast<QNativeGestureEvent*>(event);
switch(ev->gestureType) {
case QNativeGestureEvent::GestureBegin:
break;
case QNativeGestureEvent::Pan:
result = QGestureRecognizer::TriggerGesture;
event->accept();
break;
case QNativeGestureEvent::GestureEnd:
if (q->state() == Qt::NoGesture)
return QGestureRecognizer::Ignore; // some other gesture has ended
result = QGestureRecognizer::FinishGesture;
break;
default:
return QGestureRecognizer::Ignore;
}
if (q->state() == Qt::NoGesture) {
d->lastOffset = d->offset = QPointF();
d->startPosition = ev->position;
} else {
d->lastOffset = d->offset;
d->offset = QPointF(ev->position.x() - d->startPosition.x(),
ev->position.y() - d->startPosition.y());
}
}
return result;
}示例4: recognize
QGestureRecognizer::Result QPanGestureRecognizer::recognize(QGesture *state,
QObject *,
QEvent *event)
{
QPanGesture *q = static_cast<QPanGesture *>(state);
QPanGesturePrivate *d = q->d_func();
const QTouchEvent *ev = static_cast<const QTouchEvent *>(event);
QGestureRecognizer::Result result;
switch (event->type()) {
case QEvent::TouchBegin: {
result = QGestureRecognizer::MayBeGesture;
QTouchEvent::TouchPoint p = ev->touchPoints().at(0);
d->lastOffset = d->offset = QPointF();
break;
}
case QEvent::TouchEnd: {
if (q->state() != Qt::NoGesture) {
if (ev->touchPoints().size() == 2) {
QTouchEvent::TouchPoint p1 = ev->touchPoints().at(0);
QTouchEvent::TouchPoint p2 = ev->touchPoints().at(1);
d->lastOffset = d->offset;
d->offset =
QPointF(p1.pos().x() - p1.startPos().x() + p2.pos().x() - p2.startPos().x(),
p1.pos().y() - p1.startPos().y() + p2.pos().y() - p2.startPos().y()) / 2;
}
result = QGestureRecognizer::FinishGesture;
} else {
result = QGestureRecognizer::CancelGesture;
}
break;
}
case QEvent::TouchUpdate: {
if (ev->touchPoints().size() >= 2) {
QTouchEvent::TouchPoint p1 = ev->touchPoints().at(0);
QTouchEvent::TouchPoint p2 = ev->touchPoints().at(1);
d->lastOffset = d->offset;
d->offset =
QPointF(p1.pos().x() - p1.startPos().x() + p2.pos().x() - p2.startPos().x(),
p1.pos().y() - p1.startPos().y() + p2.pos().y() - p2.startPos().y()) / 2;
if (d->offset.x() > 10 || d->offset.y() > 10 ||
d->offset.x() < -10 || d->offset.y() < -10) {
q->setHotSpot(p1.startScreenPos());
result = QGestureRecognizer::TriggerGesture;
} else {
result = QGestureRecognizer::MayBeGesture;
}
}
break;
}
case QEvent::MouseButtonPress:
case QEvent::MouseMove:
case QEvent::MouseButtonRelease:
result = QGestureRecognizer::Ignore;
break;
default:
result = QGestureRecognizer::Ignore;
break;
}
return result;
}