diff -r 56cd8111b7f7 -r 41300fa6a67c tests/manual/gestures/scrollarea/main.cpp --- a/tests/manual/gestures/scrollarea/main.cpp Tue Jan 26 12:42:25 2010 +0200 +++ b/tests/manual/gestures/scrollarea/main.cpp Tue Feb 02 00:43:10 2010 +0200 @@ -50,7 +50,7 @@ ScrollArea(QWidget *parent = 0) : QScrollArea(parent), outside(false) { - viewport()->grabGesture(Qt::PanGesture); + viewport()->grabGesture(Qt::PanGesture, Qt::ReceivePartialGestures); } protected: @@ -73,11 +73,11 @@ QPanGesture *pan = static_cast(event->gesture(Qt::PanGesture)); if (pan) { switch(pan->state()) { - case Qt::GestureStarted: qDebug("area: Pan: started"); break; - case Qt::GestureFinished: qDebug("area: Pan: finished"); break; - case Qt::GestureCanceled: qDebug("area: Pan: canceled"); break; + case Qt::GestureStarted: qDebug() << this << "Pan: started"; break; + case Qt::GestureFinished: qDebug() << this << "Pan: finished"; break; + case Qt::GestureCanceled: qDebug() << this << "Pan: canceled"; break; case Qt::GestureUpdated: break; - default: qDebug("area: Pan: "); break; + default: qDebug() << this << "Pan: "; break; } if (pan->state() == Qt::GestureStarted) @@ -87,8 +87,8 @@ if (outside) return; - const QPointF offset = pan->offset(); - const QPointF totalOffset = pan->totalOffset(); + const QPointF delta = pan->delta(); + const QPointF totalOffset = pan->offset(); QScrollBar *vbar = verticalScrollBar(); QScrollBar *hbar = horizontalScrollBar(); @@ -102,8 +102,8 @@ outside = true; return; } - vbar->setValue(vbar->value() - offset.y()); - hbar->setValue(hbar->value() - offset.x()); + vbar->setValue(vbar->value() - delta.y()); + hbar->setValue(hbar->value() - delta.x()); event->accept(pan); } } @@ -134,11 +134,11 @@ QPanGesture *pan = static_cast(event->gesture(Qt::PanGesture)); if (pan) { switch (pan->state()) { - case Qt::GestureStarted: qDebug("slider: Pan: started"); break; - case Qt::GestureFinished: qDebug("slider: Pan: finished"); break; - case Qt::GestureCanceled: qDebug("slider: Pan: canceled"); break; + case Qt::GestureStarted: qDebug() << this << "Pan: started"; break; + case Qt::GestureFinished: qDebug() << this << "Pan: finished"; break; + case Qt::GestureCanceled: qDebug() << this << "Pan: canceled"; break; case Qt::GestureUpdated: break; - default: qDebug("slider: Pan: "); break; + default: qDebug() << this << "Pan: "; break; } if (pan->state() == Qt::GestureStarted) @@ -147,8 +147,8 @@ event->ignore(pan); if (outside) return; - const QPointF offset = pan->offset(); - const QPointF totalOffset = pan->totalOffset(); + const QPointF delta = pan->delta(); + const QPointF totalOffset = pan->offset(); if (orientation() == Qt::Horizontal) { if ((value() == minimum() && totalOffset.x() < -10) || (value() == maximum() && totalOffset.x() > 10)) { @@ -156,7 +156,7 @@ return; } if (totalOffset.y() < 40 && totalOffset.y() > -40) { - setValue(value() + offset.x()); + setValue(value() + delta.x()); event->accept(pan); } else { outside = true; @@ -168,7 +168,7 @@ return; } if (totalOffset.x() < 40 && totalOffset.x() > -40) { - setValue(value() - offset.y()); + setValue(value() - delta.y()); event->accept(pan); } else { outside = true; @@ -186,6 +186,7 @@ MainWindow() { rootScrollArea = new ScrollArea; + rootScrollArea->setObjectName(QLatin1String("rootScrollArea")); setCentralWidget(rootScrollArea); QWidget *root = new QWidget; @@ -193,14 +194,17 @@ rootScrollArea->setWidget(root); Slider *verticalSlider = new Slider(Qt::Vertical, root); + verticalSlider->setObjectName(QLatin1String("verticalSlider")); verticalSlider ->move(650, 1100); Slider *horizontalSlider = new Slider(Qt::Horizontal, root); + horizontalSlider->setObjectName(QLatin1String("horizontalSlider")); horizontalSlider ->move(600, 1000); childScrollArea = new ScrollArea(root); + childScrollArea->setObjectName(QLatin1String("childScrollArea")); childScrollArea->move(500, 500); QWidget *w = new QWidget; - w->setMinimumWidth(400); + w->setMinimumWidth(700); QVBoxLayout *l = new QVBoxLayout(w); l->setMargin(20); for (int i = 0; i < 100; ++i) { @@ -211,6 +215,14 @@ l->addWidget(w); } childScrollArea->setWidget(w); +#if defined(Q_OS_WIN) + // Windows can force Qt to create a native window handle for an + // intermediate widget and that will block gesture to get touch events. + // So this hack to make sure gestures get all touch events they need. + foreach (QObject *w, children()) + if (w->isWidgetType()) + static_cast(w)->setAttribute(Qt::WA_AcceptTouchEvents); +#endif } private: ScrollArea *rootScrollArea; @@ -220,7 +232,7 @@ int main(int argc, char **argv) { QApplication app(argc, argv); - app.registerGestureRecognizer(new MousePanGestureRecognizer); + QGestureRecognizer::registerRecognizer(new MousePanGestureRecognizer); MainWindow w; w.show(); return app.exec();