--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/qt/gestures/smoke_qtgestures.cpp Mon Jun 14 12:26:38 2010 +0100
@@ -0,0 +1,491 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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=
+
+static QPointF mapToGlobal(const QPointF &pt, QGraphicsItem *item, QGraphicsView *view)
+{
+ return view->mapToGlobal(view->mapFromScene(item->mapToScene(pt)));
+}
+
+class CustomGesture : public QGesture
+{
+ Q_OBJECT
+public:
+ static Qt::GestureType GestureType;
+
+ CustomGesture(QObject *parent = 0)
+ : QGesture(parent), serial(0)
+ {
+ }
+
+ 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_), hasHotSpot(false)
+ {
+ }
+
+ int serial;
+ QPointF hotSpot;
+ bool hasHotSpot;
+};
+int CustomEvent::EventType = 0;
+
+class CustomGestureRecognizer : public QGestureRecognizer
+{
+public:
+ static bool ConsumeEvents;
+
+ CustomGestureRecognizer()
+ {
+ if (!CustomEvent::EventType)
+ CustomEvent::EventType = QEvent::registerEventType();
+ }
+
+ QGesture* create(QObject *)
+ {
+ return new CustomGesture;
+ }
+
+ QGestureRecognizer::Result recognize(QGesture *state, QObject*, QEvent *event)
+ {
+ if (event->type() == CustomEvent::EventType) {
+ QGestureRecognizer::Result result = 0;
+ if (CustomGestureRecognizer::ConsumeEvents)
+ result |= QGestureRecognizer::ConsumeEventHint;
+ CustomGesture *g = static_cast<CustomGesture*>(state);
+ CustomEvent *e = static_cast<CustomEvent*>(event);
+ g->serial = e->serial;
+ if (e->hasHotSpot)
+ g->setHotSpot(e->hotSpot);
+ if (g->serial >= CustomGesture::SerialFinishedThreshold)
+ result |= QGestureRecognizer::FinishGesture;
+ else if (g->serial >= CustomGesture::SerialStartedThreshold)
+ result |= QGestureRecognizer::TriggerGesture;
+ else if (g->serial >= CustomGesture::SerialMaybeThreshold)
+ result |= QGestureRecognizer::MayBeGesture;
+ else
+ result = QGestureRecognizer::CancelGesture;
+ return result;
+ }
+ return QGestureRecognizer::Ignore;
+ }
+
+ void reset(QGesture *state)
+ {
+ CustomGesture *g = static_cast<CustomGesture *>(state);
+ g->serial = 0;
+ QGestureRecognizer::reset(state);
+ }
+};
+bool CustomGestureRecognizer::ConsumeEvents = false;
+
+// same as CustomGestureRecognizer but triggers early without the maybe state
+class CustomContinuousGestureRecognizer : public QGestureRecognizer
+{
+public:
+ CustomContinuousGestureRecognizer()
+ {
+ if (!CustomEvent::EventType)
+ CustomEvent::EventType = QEvent::registerEventType();
+ }
+
+ QGesture* create(QObject *)
+ {
+ return new CustomGesture;
+ }
+
+ QGestureRecognizer::Result recognize(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;
+ if (e->hasHotSpot)
+ g->setHotSpot(e->hotSpot);
+ if (g->serial >= CustomGesture::SerialFinishedThreshold)
+ result |= QGestureRecognizer::FinishGesture;
+ else if (g->serial >= CustomGesture::SerialMaybeThreshold)
+ result |= QGestureRecognizer::TriggerGesture;
+ else
+ result = QGestureRecognizer::CancelGesture;
+ return result;
+ }
+ return QGestureRecognizer::Ignore;
+ }
+
+ void reset(QGesture *state)
+ {
+ CustomGesture *g = static_cast<CustomGesture *>(state);
+ g->serial = 0;
+ QGestureRecognizer::reset(state);
+ }
+};
+
+class GestureWidget : public QWidget
+{
+ Q_OBJECT
+public:
+ GestureWidget(const char *name = 0, QWidget *parent = 0)
+ : QWidget(parent)
+ {
+ if (name)
+ setObjectName(QLatin1String(name));
+ reset();
+ acceptGestureOverride = false;
+ }
+ void reset()
+ {
+ customEventsReceived = 0;
+ gestureEventsReceived = 0;
+ gestureOverrideEventsReceived = 0;
+ events.clear();
+ overrideEvents.clear();
+ ignoredGestures.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;
+ QSet<Qt::GestureType> ignoredGestures;
+
+protected:
+ bool event(QEvent *event)
+ {
+ Events *eventsPtr = 0;
+ if (event->type() == QEvent::Gesture) {
+ QGestureEvent *e = static_cast<QGestureEvent*>(event);
+ ++gestureEventsReceived;
+ eventsPtr = &events;
+ foreach(Qt::GestureType type, ignoredGestures)
+ e->ignore(e->gesture(type));
+ } 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->gestures();
+ 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;
+ }
+};
+
+// TODO rename to sendGestureSequence
+static void sendCustomGesture(CustomEvent *event, QObject *object, QGraphicsScene *scene = 0)
+{
+ for (int i = CustomGesture::SerialMaybeThreshold;
+ i <= CustomGesture::SerialFinishedThreshold; ++i) {
+ event->serial = i;
+ if (scene)
+ scene->sendEvent(qobject_cast<QGraphicsObject *>(object), event);
+ else
+ QApplication::sendEvent(object, event);
+ }
+}
+
+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();
+};
+
+tst_Gestures::tst_Gestures()
+{
+}
+
+tst_Gestures::~tst_Gestures()
+{
+}
+
+void tst_Gestures::initTestCase()
+{
+ CustomGesture::GestureType = QGestureRecognizer::registerRecognizer(new CustomGestureRecognizer);
+ QVERIFY(CustomGesture::GestureType != Qt::GestureType(0));
+ QVERIFY(CustomGesture::GestureType != Qt::CustomGesture);
+}
+
+void tst_Gestures::cleanupTestCase()
+{
+ QGestureRecognizer::unregisterRecognizer(CustomGesture::GestureType);
+}
+
+void tst_Gestures::init()
+{
+}
+
+void tst_Gestures::cleanup()
+{
+}
+
+void tst_Gestures::customGesture()
+{
+ GestureWidget widget;
+ widget.grabGesture(CustomGesture::GestureType, Qt::DontStartGestureOnChildren);
+ CustomEvent event;
+ sendCustomGesture(&event, &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);
+}
+
+static const QColor InstanceColors[] = {
+ Qt::blue, Qt::red, Qt::green, Qt::gray, Qt::yellow
+};
+
+class GestureItem : public QGraphicsObject
+{
+ static int InstanceCount;
+
+public:
+ GestureItem(const char *name = 0)
+ {
+ instanceNumber = InstanceCount++;
+ if (name)
+ setObjectName(QLatin1String(name));
+ size = QRectF(0, 0, 100, 100);
+ customEventsReceived = 0;
+ gestureEventsReceived = 0;
+ gestureOverrideEventsReceived = 0;
+ events.clear();
+ overrideEvents.clear();
+ acceptGestureOverride = false;
+ }
+ ~GestureItem()
+ {
+ --InstanceCount;
+ }
+
+ 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;
+ QSet<Qt::GestureType> ignoredGestures;
+
+ QRectF size;
+ int instanceNumber;
+
+ void reset()
+ {
+ customEventsReceived = 0;
+ gestureEventsReceived = 0;
+ gestureOverrideEventsReceived = 0;
+ events.clear();
+ overrideEvents.clear();
+ ignoredGestures.clear();
+ }
+
+protected:
+ QRectF boundingRect() const
+ {
+ return size;
+ }
+ void paint(QPainter *p, const QStyleOptionGraphicsItem *, QWidget *)
+ {
+ QColor color = InstanceColors[instanceNumber % (sizeof(InstanceColors)/sizeof(InstanceColors[0]))];
+ p->fillRect(boundingRect(), color);
+ }
+
+ bool event(QEvent *event)
+ {
+ Events *eventsPtr = 0;
+ if (event->type() == QEvent::Gesture) {
+ ++gestureEventsReceived;
+ eventsPtr = &events;
+ QGestureEvent *e = static_cast<QGestureEvent *>(event);
+ foreach(Qt::GestureType type, ignoredGestures)
+ e->ignore(e->gesture(type));
+ } 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->gestures();
+ 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;
+ }
+};
+int GestureItem::InstanceCount = 0;
+
+QTEST_MAIN(tst_Gestures)
+#include "smoke_qtgestures.moc"