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diff --git a/tests/auto/gestures/tst_gestures.cpp b/tests/auto/gestures/tst_gestures.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+#include "../../shared/util.h"
+
+#include <qevent.h>
+#include <qwidget.h>
+#include <qlayout.h>
+#include <qgesture.h>
+#include <qgesturerecognizer.h>
+#include <qgraphicsitem.h>
+#include <qgraphicsview.h>
+
+#include <qdebug.h>
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class CustomGesture : public QGesture
+{
+ Q_OBJECT
+public:
+ static Qt::GestureType GestureType;
+
+ CustomGesture(QObject *parent = 0)
+ : QGesture(parent), target(0), serial(0)
+ {
+ }
+
+ QObject *target;
+ int serial;
+
+ static const int SerialMaybeThreshold;
+ static const int SerialStartedThreshold;
+ static const int SerialFinishedThreshold;
+};
+Qt::GestureType CustomGesture::GestureType = Qt::CustomGesture;
+const int CustomGesture::SerialMaybeThreshold = 1;
+const int CustomGesture::SerialStartedThreshold = 3;
+const int CustomGesture::SerialFinishedThreshold = 6;
+
+class CustomEvent : public QEvent
+{
+public:
+ static int EventType;
+
+ CustomEvent(int serial_ = 0)
+ : QEvent(QEvent::Type(CustomEvent::EventType)),
+ serial(serial_), targetObject(0)
+ {
+ }
+
+ int serial;
+ QObject *targetObject;
+ QPoint hotSpot;
+};
+int CustomEvent::EventType = 0;
+
+class CustomGestureRecognizer : public QGestureRecognizer
+{
+public:
+ CustomGestureRecognizer()
+ {
+ CustomEvent::EventType = QEvent::registerEventType();
+ eventsCounter = 0;
+ }
+
+ QGesture* createGesture(QObject *)
+ {
+ return new CustomGesture;
+ }
+
+ QGestureRecognizer::Result filterEvent(QGesture *state, QObject*, QEvent *event)
+ {
+ if (event->type() == CustomEvent::EventType) {
+ QGestureRecognizer::Result result = QGestureRecognizer::ConsumeEventHint;
+ CustomGesture *g = static_cast<CustomGesture*>(state);
+ CustomEvent *e = static_cast<CustomEvent*>(event);
+ g->serial = e->serial;
+ g->setTargetObject(e->targetObject);
+ g->setHotSpot(e->hotSpot);
+ ++eventsCounter;
+ if (g->serial >= CustomGesture::SerialFinishedThreshold)
+ result |= QGestureRecognizer::GestureFinished;
+ else if (g->serial >= CustomGesture::SerialStartedThreshold)
+ result |= QGestureRecognizer::GestureTriggered;
+ else if (g->serial >= CustomGesture::SerialMaybeThreshold)
+ result |= QGestureRecognizer::MaybeGesture;
+ else
+ result = QGestureRecognizer::NotGesture;
+ return result;
+ }
+ return QGestureRecognizer::Ignore;
+ }
+
+ void reset(QGesture *state)
+ {
+ CustomGesture *g = static_cast<CustomGesture*>(state);
+ g->serial = 0;
+ QGestureRecognizer::reset(state);
+ }
+
+ int eventsCounter;
+ QString name;
+};
+
+class GestureWidget : public QWidget
+{
+ Q_OBJECT
+public:
+ GestureWidget(const char *name = 0)
+ {
+ if (name)
+ setObjectName(QLatin1String(name));
+ reset();
+ acceptGestureOverride = false;
+ }
+ void reset()
+ {
+ customEventsReceived = 0;
+ gestureEventsReceived = 0;
+ gestureOverrideEventsReceived = 0;
+ events.clear();
+ overrideEvents.clear();
+ }
+
+ int customEventsReceived;
+ int gestureEventsReceived;
+ int gestureOverrideEventsReceived;
+ struct Events
+ {
+ QList<Qt::GestureType> all;
+ QList<Qt::GestureType> started;
+ QList<Qt::GestureType> updated;
+ QList<Qt::GestureType> finished;
+ QList<Qt::GestureType> canceled;
+
+ void clear()
+ {
+ all.clear();
+ started.clear();
+ updated.clear();
+ finished.clear();
+ canceled.clear();
+ }
+ } events, overrideEvents;
+
+ bool acceptGestureOverride;
+
+protected:
+ bool event(QEvent *event)
+ {
+ Events *eventsPtr = 0;
+ if (event->type() == QEvent::Gesture) {
+ ++gestureEventsReceived;
+ eventsPtr = &events;
+ } else if (event->type() == QEvent::GestureOverride) {
+ ++gestureOverrideEventsReceived;
+ eventsPtr = &overrideEvents;
+ if (acceptGestureOverride)
+ event->accept();
+ }
+ if (eventsPtr) {
+ QGestureEvent *e = static_cast<QGestureEvent*>(event);
+ QList<QGesture*> gestures = e->allGestures();
+ foreach(QGesture *g, gestures) {
+ eventsPtr->all << g->gestureType();
+ switch(g->state()) {
+ case Qt::GestureStarted:
+ eventsPtr->started << g->gestureType();
+ break;
+ case Qt::GestureUpdated:
+ eventsPtr->updated << g->gestureType();
+ break;
+ case Qt::GestureFinished:
+ eventsPtr->finished << g->gestureType();
+ break;
+ case Qt::GestureCanceled:
+ eventsPtr->canceled << g->gestureType();
+ break;
+ default:
+ Q_ASSERT(false);
+ }
+ }
+ } else if (event->type() == CustomEvent::EventType) {
+ ++customEventsReceived;
+ } else {
+ return QWidget::event(event);
+ }
+ return true;
+ }
+};
+
+static void sendCustomGesture(QObject *object)
+{
+ CustomEvent ev;
+ ev.targetObject = object;
+ for (int i = CustomGesture::SerialMaybeThreshold;
+ i <= CustomGesture::SerialFinishedThreshold; ++i) {
+ ev.serial = i;
+ QApplication::sendEvent(object, &ev);
+ }
+}
+
+class tst_Gestures : public QObject
+{
+Q_OBJECT
+
+public:
+ tst_Gestures();
+ virtual ~tst_Gestures();
+
+public slots:
+ void initTestCase();
+ void cleanupTestCase();
+ void init();
+ void cleanup();
+
+private slots:
+ void customGesture();
+ void autoCancelingGestures();
+ void gestureOverChild();
+ void multipleWidgetOnlyGestureInTree();
+ void conflictingGestures();
+ void finishedWithoutStarted();
+ void unknownGesture();
+ void graphicsItemGesture();
+};
+
+tst_Gestures::tst_Gestures()
+{
+}
+
+tst_Gestures::~tst_Gestures()
+{
+}
+
+void tst_Gestures::initTestCase()
+{
+ CustomGesture::GestureType = qApp->registerGestureRecognizer(new CustomGestureRecognizer);
+ QVERIFY(CustomGesture::GestureType != Qt::GestureType(0));
+ QVERIFY(CustomGesture::GestureType != Qt::CustomGesture);
+}
+
+void tst_Gestures::cleanupTestCase()
+{
+}
+
+void tst_Gestures::init()
+{
+}
+
+void tst_Gestures::cleanup()
+{
+}
+
+void tst_Gestures::customGesture()
+{
+ GestureWidget widget;
+ widget.grabGesture(CustomGesture::GestureType, Qt::WidgetGesture);
+ sendCustomGesture(&widget);
+
+ static const int TotalGestureEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialStartedThreshold + 1;
+ static const int TotalCustomEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialMaybeThreshold + 1;
+ QCOMPARE(widget.customEventsReceived, TotalCustomEventsCount);
+ QCOMPARE(widget.gestureEventsReceived, TotalGestureEventsCount);
+ QCOMPARE(widget.gestureOverrideEventsReceived, 0);
+ QCOMPARE(widget.events.all.size(), TotalGestureEventsCount);
+ for(int i = 0; i < widget.events.all.size(); ++i)
+ QCOMPARE(widget.events.all.at(i), CustomGesture::GestureType);
+ QCOMPARE(widget.events.started.size(), 1);
+ QCOMPARE(widget.events.updated.size(), TotalGestureEventsCount - 2);
+ QCOMPARE(widget.events.finished.size(), 1);
+ QCOMPARE(widget.events.canceled.size(), 0);
+}
+
+void tst_Gestures::autoCancelingGestures()
+{
+ GestureWidget widget;
+ widget.grabGesture(CustomGesture::GestureType, Qt::WidgetGesture);
+ // send partial gesture. The gesture will be in the "maybe" state, but will
+ // never get enough events to fire, so Qt will have to kill it.
+ CustomEvent ev;
+ for (int i = CustomGesture::SerialMaybeThreshold;
+ i < CustomGesture::SerialStartedThreshold; ++i) {
+ ev.serial = i;
+ QApplication::sendEvent(&widget, &ev);
+ }
+ // wait long enough so the gesture manager will cancel the gesture
+ QTest::qWait(5000);
+ QCOMPARE(widget.customEventsReceived, CustomGesture::SerialStartedThreshold - CustomGesture::SerialMaybeThreshold);
+ QCOMPARE(widget.gestureEventsReceived, 0);
+ QCOMPARE(widget.gestureOverrideEventsReceived, 0);
+ QCOMPARE(widget.events.all.size(), 0);
+}
+
+void tst_Gestures::gestureOverChild()
+{
+ GestureWidget widget("widget");
+ QVBoxLayout *l = new QVBoxLayout(&widget);
+ GestureWidget *child = new GestureWidget("child");
+ l->addWidget(child);
+
+ widget.grabGesture(CustomGesture::GestureType, Qt::WidgetGesture);
+
+ sendCustomGesture(child);
+
+ static const int TotalGestureEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialStartedThreshold + 1;
+ static const int TotalCustomEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialMaybeThreshold + 1;
+
+ QCOMPARE(child->customEventsReceived, TotalCustomEventsCount);
+ QCOMPARE(widget.customEventsReceived, 0);
+ QCOMPARE(child->gestureEventsReceived, 0);
+ QCOMPARE(child->gestureOverrideEventsReceived, 0);
+ QCOMPARE(widget.gestureEventsReceived, 0);
+ QCOMPARE(widget.gestureOverrideEventsReceived, 0);
+
+ // enable gestures over the children
+ widget.grabGesture(CustomGesture::GestureType, Qt::WidgetWithChildrenGesture);
+
+ widget.reset();
+ child->reset();
+
+ sendCustomGesture(child);
+
+ QCOMPARE(child->customEventsReceived, TotalCustomEventsCount);
+ QCOMPARE(widget.customEventsReceived, 0);
+
+ QCOMPARE(child->gestureEventsReceived, 0);
+ QCOMPARE(child->gestureOverrideEventsReceived, 0);
+ QCOMPARE(widget.gestureEventsReceived, TotalGestureEventsCount);
+ QCOMPARE(widget.gestureOverrideEventsReceived, 0);
+ for(int i = 0; i < widget.events.all.size(); ++i)
+ QCOMPARE(widget.events.all.at(i), CustomGesture::GestureType);
+ QCOMPARE(widget.events.started.size(), 1);
+ QCOMPARE(widget.events.updated.size(), TotalGestureEventsCount - 2);
+ QCOMPARE(widget.events.finished.size(), 1);
+ QCOMPARE(widget.events.canceled.size(), 0);
+}
+
+void tst_Gestures::multipleWidgetOnlyGestureInTree()
+{
+ GestureWidget parent("parent");
+ QVBoxLayout *l = new QVBoxLayout(&parent);
+ GestureWidget *child = new GestureWidget("child");
+ l->addWidget(child);
+
+ parent.grabGesture(CustomGesture::GestureType, Qt::WidgetGesture);
+ child->grabGesture(CustomGesture::GestureType, Qt::WidgetGesture);
+
+ static const int TotalGestureEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialStartedThreshold + 1;
+ static const int TotalCustomEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialMaybeThreshold + 1;
+
+ // sending events to the child and making sure there is no conflict
+ sendCustomGesture(child);
+
+ QCOMPARE(child->customEventsReceived, TotalCustomEventsCount);
+ QCOMPARE(parent.customEventsReceived, 0);
+ QCOMPARE(child->gestureEventsReceived, TotalGestureEventsCount);
+ QCOMPARE(child->gestureOverrideEventsReceived, 0);
+ QCOMPARE(parent.gestureEventsReceived, 0);
+ QCOMPARE(parent.gestureOverrideEventsReceived, 0);
+
+ parent.reset();
+ child->reset();
+
+ // same for the parent widget
+ sendCustomGesture(&parent);
+
+ QCOMPARE(child->customEventsReceived, 0);
+ QCOMPARE(parent.customEventsReceived, TotalCustomEventsCount);
+ QCOMPARE(child->gestureEventsReceived, 0);
+ QCOMPARE(child->gestureOverrideEventsReceived, 0);
+ QCOMPARE(parent.gestureEventsReceived, TotalGestureEventsCount);
+ QCOMPARE(parent.gestureOverrideEventsReceived, 0);
+}
+
+void tst_Gestures::conflictingGestures()
+{
+ GestureWidget parent("parent");
+ QVBoxLayout *l = new QVBoxLayout(&parent);
+ GestureWidget *child = new GestureWidget("child");
+ l->addWidget(child);
+
+ parent.grabGesture(CustomGesture::GestureType, Qt::WidgetWithChildrenGesture);
+ child->grabGesture(CustomGesture::GestureType, Qt::WidgetWithChildrenGesture);
+
+ static const int TotalGestureEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialStartedThreshold + 1;
+
+ // child accepts the override, parent will not receive anything
+ parent.acceptGestureOverride = false;
+ child->acceptGestureOverride = true;
+
+ // sending events to the child and making sure there is no conflict
+ sendCustomGesture(child);
+
+ QCOMPARE(child->gestureOverrideEventsReceived, TotalGestureEventsCount);
+ QCOMPARE(child->gestureEventsReceived, 0);
+ QCOMPARE(parent.gestureOverrideEventsReceived, 0);
+ QCOMPARE(parent.gestureEventsReceived, 0);
+
+ parent.reset();
+ child->reset();
+
+ // parent accepts the override
+ parent.acceptGestureOverride = true;
+ child->acceptGestureOverride = false;
+
+ // sending events to the child and making sure there is no conflict
+ sendCustomGesture(child);
+
+ QCOMPARE(child->gestureOverrideEventsReceived, TotalGestureEventsCount);
+ QCOMPARE(child->gestureEventsReceived, 0);
+ QCOMPARE(parent.gestureOverrideEventsReceived, TotalGestureEventsCount);
+ QCOMPARE(parent.gestureEventsReceived, 0);
+
+ parent.reset();
+ child->reset();
+
+ // nobody accepts the override, we will send normal events to the closest context (to the child)
+ parent.acceptGestureOverride = false;
+ child->acceptGestureOverride = false;
+
+ // sending events to the child and making sure there is no conflict
+ sendCustomGesture(child);
+
+ QCOMPARE(child->gestureOverrideEventsReceived, TotalGestureEventsCount);
+ QCOMPARE(child->gestureEventsReceived, TotalGestureEventsCount);
+ QCOMPARE(parent.gestureOverrideEventsReceived, TotalGestureEventsCount);
+ QCOMPARE(parent.gestureEventsReceived, 0);
+}
+
+void tst_Gestures::finishedWithoutStarted()
+{
+ GestureWidget widget;
+ widget.grabGesture(CustomGesture::GestureType, Qt::WidgetGesture);
+ // the gesture will claim it finished, but it was never started.
+ CustomEvent ev;
+ QTest::ignoreMessage(QtWarningMsg, "QGestureManager::filterEvent: some gestures were finished even though they've never started");
+ for (int i = CustomGesture::SerialFinishedThreshold;
+ i < CustomGesture::SerialFinishedThreshold+1; ++i) {
+ ev.serial = i;
+ QApplication::sendEvent(&widget, &ev);
+ }
+
+ QCOMPARE(widget.gestureEventsReceived, 0);
+ QCOMPARE(widget.gestureOverrideEventsReceived, 0);
+}
+
+void tst_Gestures::unknownGesture()
+{
+ GestureWidget widget;
+ widget.grabGesture(CustomGesture::GestureType, Qt::WidgetGesture);
+ widget.grabGesture(Qt::CustomGesture, Qt::WidgetGesture);
+ widget.grabGesture(Qt::GestureType(Qt::PanGesture+512), Qt::WidgetGesture);
+
+ sendCustomGesture(&widget);
+
+ static const int TotalGestureEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialStartedThreshold + 1;
+
+ QCOMPARE(widget.gestureEventsReceived, TotalGestureEventsCount);
+}
+
+class GestureItem : public QGraphicsObject
+{
+public:
+ GestureItem()
+ {
+ size = QRectF(0, 0, 100, 100);
+ customEventsReceived = 0;
+ gestureEventsReceived = 0;
+ gestureOverrideEventsReceived = 0;
+ events.clear();
+ overrideEvents.clear();
+ acceptGestureOverride = false;
+ }
+
+ int customEventsReceived;
+ int gestureEventsReceived;
+ int gestureOverrideEventsReceived;
+ struct Events
+ {
+ QList<Qt::GestureType> all;
+ QList<Qt::GestureType> started;
+ QList<Qt::GestureType> updated;
+ QList<Qt::GestureType> finished;
+ QList<Qt::GestureType> canceled;
+
+ void clear()
+ {
+ all.clear();
+ started.clear();
+ updated.clear();
+ finished.clear();
+ canceled.clear();
+ }
+ } events, overrideEvents;
+
+ bool acceptGestureOverride;
+
+ QRectF size;
+
+protected:
+ QRectF boundingRect() const
+ {
+ return size;
+ }
+ void paint(QPainter *p, const QStyleOptionGraphicsItem *, QWidget *)
+ {
+ p->fillRect(boundingRect(), Qt::blue);
+ }
+
+ bool event(QEvent *event)
+ {
+ Events *eventsPtr = 0;
+ if (event->type() == QEvent::Gesture) {
+ ++gestureEventsReceived;
+ eventsPtr = &events;
+ } else if (event->type() == QEvent::GestureOverride) {
+ ++gestureOverrideEventsReceived;
+ eventsPtr = &overrideEvents;
+ if (acceptGestureOverride)
+ event->accept();
+ }
+ if (eventsPtr) {
+ QGestureEvent *e = static_cast<QGestureEvent*>(event);
+ QList<QGesture*> gestures = e->allGestures();
+ foreach(QGesture *g, gestures) {
+ eventsPtr->all << g->gestureType();
+ switch(g->state()) {
+ case Qt::GestureStarted:
+ eventsPtr->started << g->gestureType();
+ break;
+ case Qt::GestureUpdated:
+ eventsPtr->updated << g->gestureType();
+ break;
+ case Qt::GestureFinished:
+ eventsPtr->finished << g->gestureType();
+ break;
+ case Qt::GestureCanceled:
+ eventsPtr->canceled << g->gestureType();
+ break;
+ default:
+ Q_ASSERT(false);
+ }
+ }
+ } else if (event->type() == CustomEvent::EventType) {
+ ++customEventsReceived;
+ } else {
+ return QGraphicsObject::event(event);
+ }
+ return true;
+ }
+};
+
+void tst_Gestures::graphicsItemGesture()
+{
+ QGraphicsScene scene;
+ QGraphicsView view(&scene);
+
+ GestureItem *item = new GestureItem;
+ scene.addItem(item);
+ item->setPos(100, 100);
+
+ item->grabGesture(CustomGesture::GestureType);
+
+ sendCustomGesture(item);
+
+ static const int TotalGestureEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialStartedThreshold + 1;
+ static const int TotalCustomEventsCount = CustomGesture::SerialFinishedThreshold - CustomGesture::SerialMaybeThreshold + 1;
+
+ QCOMPARE(item->customEventsReceived, TotalCustomEventsCount);
+ QCOMPARE(item->gestureEventsReceived, TotalGestureEventsCount);
+ QCOMPARE(item->gestureOverrideEventsReceived, 0);
+ QCOMPARE(item->events.all.size(), TotalGestureEventsCount);
+ for(int i = 0; i < item->events.all.size(); ++i)
+ QCOMPARE(item->events.all.at(i), CustomGesture::GestureType);
+ QCOMPARE(item->events.started.size(), 1);
+ QCOMPARE(item->events.updated.size(), TotalGestureEventsCount - 2);
+ QCOMPARE(item->events.finished.size(), 1);
+ QCOMPARE(item->events.canceled.size(), 0);
+}
+
+QTEST_MAIN(tst_Gestures)
+#include "tst_gestures.moc"