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-rw-r--r--src/gui/kernel/qstandardgestures.cpp126
1 files changed, 58 insertions, 68 deletions
diff --git a/src/gui/kernel/qstandardgestures.cpp b/src/gui/kernel/qstandardgestures.cpp
index 10689ba..d798d32 100644
--- a/src/gui/kernel/qstandardgestures.cpp
+++ b/src/gui/kernel/qstandardgestures.cpp
@@ -69,42 +69,35 @@ QWidgetPrivate *qt_widget_private(QWidget *widget);
On some platform like Windows it's necessary to provide a non-null widget
as \a parent to get native gesture support.
*/
-QPanGesture::QPanGesture(QWidget *parent)
- : QGesture(*new QPanGesturePrivate, parent)
+QPanGesture::QPanGesture(QWidget *gestureTarget, QObject *parent)
+ : QGesture(*new QPanGesturePrivate, gestureTarget, parent)
{
- if (parent) {
- QApplicationPrivate *qAppPriv = QApplicationPrivate::instance();
- qAppPriv->widgetGestures[parent].pan = this;
-#ifdef Q_WS_WIN
- qt_widget_private(parent)->winSetupGestures();
-#endif
- }
}
-/*! \internal */
-bool QPanGesture::event(QEvent *event)
+void QPanGesturePrivate::setupGestureTarget(QObject *newGestureTarget)
{
- switch (event->type()) {
- case QEvent::ParentAboutToChange:
- if (QWidget *w = qobject_cast<QWidget*>(parent())) {
- QApplicationPrivate::instance()->widgetGestures[w].pan = 0;
+ Q_Q(QPanGesture);
+ if (gestureTarget && gestureTarget->isWidgetType()) {
+ QWidget *w = static_cast<QWidget*>(gestureTarget.data());
+ QApplicationPrivate::instance()->widgetGestures[w].pan = 0;
#ifdef Q_WS_WIN
- qt_widget_private(w)->winSetupGestures();
+ qt_widget_private(w)->winSetupGestures();
#endif
- }
- break;
- case QEvent::ParentChange:
- if (QWidget *w = qobject_cast<QWidget*>(parent())) {
- QApplicationPrivate::instance()->widgetGestures[w].pan = this;
+ }
+
+ if (newGestureTarget && newGestureTarget->isWidgetType()) {
+ QWidget *w = static_cast<QWidget*>(newGestureTarget);
+ QApplicationPrivate::instance()->widgetGestures[w].pan = q;
#ifdef Q_WS_WIN
- qt_widget_private(w)->winSetupGestures();
+ qt_widget_private(w)->winSetupGestures();
#endif
- }
- break;
- default:
- break;
}
+ QGesturePrivate::setupGestureTarget(newGestureTarget);
+}
+/*! \internal */
+bool QPanGesture::event(QEvent *event)
+{
#if defined(Q_OS_MAC) && !defined(QT_MAC_USE_COCOA)
Q_D(QPanGesture);
if (event->type() == QEvent::Timer) {
@@ -179,27 +172,29 @@ bool QPanGesture::filterEvent(QEvent *event)
d->lastOffset = d->totalOffset = QSize();
} else if (event->type() == QEvent::TouchEnd) {
if (state() != Qt::NoGesture) {
- if (!ev->touchPoints().isEmpty()) {
- QTouchEvent::TouchPoint p = ev->touchPoints().at(0);
- const QPoint pos = p.pos().toPoint();
- const QPoint lastPos = p.lastPos().toPoint();
- const QPoint startPos = p.startPos().toPoint();
- d->lastOffset = QSize(pos.x() - lastPos.x(), pos.y() - lastPos.y());
- d->totalOffset = QSize(pos.x() - startPos.x(), pos.y() - startPos.y());
+ if (ev->touchPoints().size() == 2) {
+ QTouchEvent::TouchPoint p1 = ev->touchPoints().at(0);
+ QTouchEvent::TouchPoint p2 = ev->touchPoints().at(1);
+ d->lastOffset =
+ QSize(p1.pos().x() - p1.lastPos().x() + p2.pos().x() - p2.lastPos().x(),
+ p1.pos().y() - p1.lastPos().y() + p2.pos().y() - p2.lastPos().y()) / 2;
+ d->totalOffset += d->lastOffset;
}
updateState(Qt::GestureFinished);
}
reset();
} else if (event->type() == QEvent::TouchUpdate) {
- QTouchEvent::TouchPoint p = ev->touchPoints().at(0);
- const QPoint pos = p.pos().toPoint();
- const QPoint lastPos = p.lastPos().toPoint();
- const QPoint startPos = p.startPos().toPoint();
- d->lastOffset = QSize(pos.x() - lastPos.x(), pos.y() - lastPos.y());
- d->totalOffset = QSize(pos.x() - startPos.x(), pos.y() - startPos.y());
- if (d->totalOffset.width() > 10 || d->totalOffset.height() > 10 ||
- d->totalOffset.width() < -10 || d->totalOffset.height() < -10) {
- updateState(Qt::GestureUpdated);
+ if (ev->touchPoints().size() == 2) {
+ QTouchEvent::TouchPoint p1 = ev->touchPoints().at(0);
+ QTouchEvent::TouchPoint p2 = ev->touchPoints().at(1);
+ d->lastOffset =
+ QSize(p1.pos().x() - p1.lastPos().x() + p2.pos().x() - p2.lastPos().x(),
+ p1.pos().y() - p1.lastPos().y() + p2.pos().y() - p2.lastPos().y()) / 2;
+ d->totalOffset += d->lastOffset;
+ if (d->totalOffset.width() > 10 || d->totalOffset.height() > 10 ||
+ d->totalOffset.width() < -10 || d->totalOffset.height() < -10) {
+ updateState(Qt::GestureUpdated);
+ }
}
}
#ifdef Q_OS_MAC
@@ -287,41 +282,35 @@ QSize QPanGesture::lastOffset() const
On some platform like Windows it's necessary to provide a non-null widget
as \a parent to get native gesture support.
*/
-QPinchGesture::QPinchGesture(QWidget *parent)
- : QGesture(*new QPinchGesturePrivate, parent)
+QPinchGesture::QPinchGesture(QWidget *gestureTarget, QObject *parent)
+ : QGesture(*new QPinchGesturePrivate, gestureTarget, parent)
{
- if (parent) {
- QApplicationPrivate *qAppPriv = QApplicationPrivate::instance();
- qAppPriv->widgetGestures[parent].pinch = this;
-#ifdef Q_WS_WIN
- qt_widget_private(parent)->winSetupGestures();
-#endif
- }
}
-/*! \internal */
-bool QPinchGesture::event(QEvent *event)
+void QPinchGesturePrivate::setupGestureTarget(QObject *newGestureTarget)
{
- switch (event->type()) {
- case QEvent::ParentAboutToChange:
- if (QWidget *w = qobject_cast<QWidget*>(parent())) {
- QApplicationPrivate::instance()->widgetGestures[w].pinch = 0;
+ Q_Q(QPinchGesture);
+ if (gestureTarget && gestureTarget->isWidgetType()) {
+ QWidget *w = static_cast<QWidget*>(gestureTarget.data());
+ QApplicationPrivate::instance()->widgetGestures[w].pinch = 0;
#ifdef Q_WS_WIN
- qt_widget_private(w)->winSetupGestures();
+ qt_widget_private(w)->winSetupGestures();
#endif
- }
- break;
- case QEvent::ParentChange:
- if (QWidget *w = qobject_cast<QWidget*>(parent())) {
- QApplicationPrivate::instance()->widgetGestures[w].pinch = this;
+ }
+
+ if (newGestureTarget && newGestureTarget->isWidgetType()) {
+ QWidget *w = static_cast<QWidget*>(newGestureTarget);
+ QApplicationPrivate::instance()->widgetGestures[w].pinch = q;
#ifdef Q_WS_WIN
- qt_widget_private(w)->winSetupGestures();
+ qt_widget_private(w)->winSetupGestures();
#endif
- }
- break;
- default:
- break;
}
+ QGesturePrivate::setupGestureTarget(newGestureTarget);
+}
+
+/*! \internal */
+bool QPinchGesture::event(QEvent *event)
+{
return QObject::event(event);
}
@@ -399,6 +388,7 @@ bool QPinchGesture::eventFilter(QObject *receiver, QEvent *event)
return QGesture::eventFilter(receiver, event);
}
+
/*! \internal */
bool QPinchGesture::filterEvent(QEvent *event)
{
generated by cgit v0.12 at 2025-01-25 14:37:25 (GMT)