diff options
Diffstat (limited to 'tests/auto/gestures/tst_gestures.cpp')
| -rw-r--r-- | tests/auto/gestures/tst_gestures.cpp | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/tests/auto/gestures/tst_gestures.cpp b/tests/auto/gestures/tst_gestures.cpp index 4a9f1d1..7c1170c 100644 --- a/tests/auto/gestures/tst_gestures.cpp +++ b/tests/auto/gestures/tst_gestures.cpp @@ -49,6 +49,7 @@ #include <qgesture.h> #include <qgesturerecognizer.h> #include <qgraphicsitem.h> +#include <qgraphicswidget.h> #include <qgraphicsview.h> #include <qmainwindow.h> @@ -358,6 +359,7 @@ private slots: void viewportCoordinates(); void partialGesturePropagation(); void testQGestureRecognizerCleanup(); + void testReuseCanceledGestures(); }; tst_Gestures::tst_Gestures() @@ -2069,5 +2071,169 @@ void tst_Gestures::testQGestureRecognizerCleanup() delete w; } +class ReuseCanceledGesturesRecognizer : public QGestureRecognizer +{ +public: + enum Type { + RmbAndCancelAllType, + LmbType + }; + + ReuseCanceledGesturesRecognizer(Type type) : m_type(type) {} + + QGesture *create(QObject *) { + QGesture *g = new QGesture; + return g; + } + + Result recognize(QGesture *gesture, QObject *, QEvent *event) { + QMouseEvent *me = static_cast<QMouseEvent *>(event); + Qt::MouseButton mouseButton(m_type == LmbType ? Qt::LeftButton : Qt::RightButton); + + switch(event->type()) { + case QEvent::MouseButtonPress: + if (me->button() == mouseButton && gesture->state() == Qt::NoGesture) { + gesture->setHotSpot(QPointF(me->globalPos())); + if (m_type == RmbAndCancelAllType) + gesture->setGestureCancelPolicy(QGesture::CancelAllInContext); + return QGestureRecognizer::TriggerGesture; + } + break; + case QEvent::MouseButtonRelease: + if (me->button() == mouseButton && gesture->state() > Qt::NoGesture) + return QGestureRecognizer::FinishGesture; + default: + break; + } + return QGestureRecognizer::Ignore; + } +private: + Type m_type; +}; + +class ReuseCanceledGesturesWidget : public QGraphicsWidget +{ + public: + ReuseCanceledGesturesWidget(Qt::GestureType gestureType = Qt::TapGesture, QGraphicsItem *parent = 0) + : QGraphicsWidget(parent), + m_gestureType(gestureType), + m_started(0), m_updated(0), m_canceled(0), m_finished(0) + { + } + + bool event(QEvent *event) { + if (event->type() == QEvent::Gesture) { + QGesture *gesture = static_cast<QGestureEvent*>(event)->gesture(m_gestureType); + if (gesture) { + switch(gesture->state()) { + case Qt::GestureStarted: m_started++; break; + case Qt::GestureUpdated: m_updated++; break; + case Qt::GestureFinished: m_finished++; break; + case Qt::GestureCanceled: m_canceled++; break; + default: break; + } + } + return true; + } + if (event->type() == QEvent::GraphicsSceneMousePress) { + return true; + } + return QGraphicsWidget::event(event); + } + + int started() { return m_started; } + int updated() { return m_updated; } + int finished() { return m_finished; } + int canceled() { return m_canceled; } + + private: + Qt::GestureType m_gestureType; + int m_started; + int m_updated; + int m_canceled; + int m_finished; +}; + +void tst_Gestures::testReuseCanceledGestures() +{ + Qt::GestureType cancellingGestureTypeId = QGestureRecognizer::registerRecognizer( + new ReuseCanceledGesturesRecognizer(ReuseCanceledGesturesRecognizer::RmbAndCancelAllType)); + Qt::GestureType tapGestureTypeId = QGestureRecognizer::registerRecognizer( + new ReuseCanceledGesturesRecognizer(ReuseCanceledGesturesRecognizer::LmbType)); + + QMainWindow mw; + mw.setWindowFlags(Qt::X11BypassWindowManagerHint); + QGraphicsView *gv = new QGraphicsView(&mw); + QGraphicsScene *scene = new QGraphicsScene; + + gv->setScene(scene); + scene->setSceneRect(0,0,100,100); + + // Create container and add to the scene + ReuseCanceledGesturesWidget *container = new ReuseCanceledGesturesWidget; + container->grabGesture(cancellingGestureTypeId); // << container grabs canceling gesture + + // Create widget and add to the scene + ReuseCanceledGesturesWidget *target = new ReuseCanceledGesturesWidget(tapGestureTypeId, container); + target->grabGesture(tapGestureTypeId); + + container->setGeometry(scene->sceneRect()); + + scene->addItem(container); + + mw.setCentralWidget(gv); + + // Viewport needs to grab all gestures that widgets in scene grab + gv->viewport()->grabGesture(cancellingGestureTypeId); + gv->viewport()->grabGesture(tapGestureTypeId); + + mw.show(); + QTest::qWaitForWindowShown(&mw); + + QPoint targetPos(gv->mapFromScene(target->mapToScene(target->rect().center()))); + targetPos = gv->viewport()->mapFromParent(targetPos); + + // "Tap" starts on child widget + QTest::mousePress(gv->viewport(), Qt::LeftButton, 0, targetPos); + QCOMPARE(target->started(), 1); + QCOMPARE(target->updated(), 0); + QCOMPARE(target->finished(), 0); + QCOMPARE(target->canceled(), 0); + + // Canceling gesture starts on parent + QTest::mousePress(gv->viewport(), Qt::RightButton, 0, targetPos); + QCOMPARE(target->started(), 1); + QCOMPARE(target->updated(), 0); + QCOMPARE(target->finished(), 0); + QCOMPARE(target->canceled(), 1); // <- child canceled + + // Canceling gesture ends + QTest::mouseRelease(gv->viewport(), Qt::RightButton, 0, targetPos); + QCOMPARE(target->started(), 1); + QCOMPARE(target->updated(), 0); + QCOMPARE(target->finished(), 0); + QCOMPARE(target->canceled(), 1); + + // Tap would end if not canceled + QTest::mouseRelease(gv->viewport(), Qt::LeftButton, 0, targetPos); + QCOMPARE(target->started(), 1); + QCOMPARE(target->updated(), 0); + QCOMPARE(target->finished(), 0); + QCOMPARE(target->canceled(), 1); + + // New "Tap" starts + QTest::mousePress(gv->viewport(), Qt::LeftButton, 0, targetPos); + QCOMPARE(target->started(), 2); + QCOMPARE(target->updated(), 0); + QCOMPARE(target->finished(), 0); + QCOMPARE(target->canceled(), 1); + + QTest::mouseRelease(gv->viewport(), Qt::LeftButton, 0, targetPos); + QCOMPARE(target->started(), 2); + QCOMPARE(target->updated(), 0); + QCOMPARE(target->finished(), 1); + QCOMPARE(target->canceled(), 1); +} + QTEST_MAIN(tst_Gestures) #include "tst_gestures.moc" |