1 files changed, 187 insertions, 0 deletions
diff --git a/tests/manual/gestures/graphicsview/main.cpp b/tests/manual/gestures/graphicsview/main.cpp
new file mode 100644
index 0000000..1db5614
--- /dev/null
+++ b/tests/manual/gestures/graphicsview/main.cpp
@@ -0,0 +1,187 @@
+#include <QtGui>
+
+#include "imageitem.h"
+#include "gestures.h"
+#include "mousepangesturerecognizer.h"
+
+class GraphicsView : public QGraphicsView
+{
+public:
+    GraphicsView(QGraphicsScene *scene, QWidget *parent = 0)
+        : QGraphicsView(scene, parent)
+    {
+    }
+protected:
+    bool viewportEvent(QEvent *event)
+    {
+        if (event->type() == QEvent::Gesture) {
+            QGestureEvent *ge = static_cast<QGestureEvent *>(event);
+            if (QPanGesture *pan = static_cast<QPanGesture *>(ge->gesture(Qt::PanGesture))) {
+                switch (pan->state()) {
+                case Qt::GestureStarted: qDebug("view: Pan: started"); break;
+                case Qt::GestureFinished: qDebug("view: Pan: finished"); break;
+                case Qt::GestureCanceled: qDebug("view: Pan: canceled"); break;
+                case Qt::GestureUpdated: break;
+                default: qDebug("view: Pan: <unknown state>"); break;
+                }
+
+                const QSizeF offset = pan->offset();
+                QScrollBar *vbar = verticalScrollBar();
+                QScrollBar *hbar = horizontalScrollBar();
+                vbar->setValue(vbar->value() - offset.height());
+                hbar->setValue(hbar->value() - offset.width());
+                ge->accept(pan);
+                return true;
+            }
+        }
+        return QGraphicsView::viewportEvent(event);
+    }
+};
+
+class StandardGestures : public QWidget
+{
+public:
+    StandardGestures(QWidget *parent = 0)
+            : QWidget(parent)
+    {
+        scene = new QGraphicsScene(this);
+        scene->setSceneRect(-2000, -2000, 4000, 4000);
+        view = new QGraphicsView(scene, 0);
+        QVBoxLayout *l = new QVBoxLayout(this);
+        l->addWidget(view);
+    }
+
+    QGraphicsScene *scene;
+    QGraphicsView *view;
+};
+
+class GlobalViewGestures : public QWidget
+{
+    Q_OBJECT
+public:
+    GlobalViewGestures(QWidget *parent = 0)
+            : QWidget(parent)
+    {
+        scene = new QGraphicsScene(this);
+        scene->setSceneRect(-2000, -2000, 4000, 4000);
+        view = new GraphicsView(scene, 0);
+        view->viewport()->grabGesture(Qt::PanGesture);
+        view->viewport()->grabGesture(ThreeFingerSlideGesture::Type);
+        QVBoxLayout *l = new QVBoxLayout(this);
+        l->addWidget(view);
+    }
+
+    QGraphicsScene *scene;
+    QGraphicsView *view;
+};
+
+class GraphicsItemGestures : public QWidget
+{
+    Q_OBJECT
+public:
+    GraphicsItemGestures(QWidget *parent = 0)
+            : QWidget(parent)
+    {
+        scene = new QGraphicsScene(this);
+        scene->setSceneRect(-2000, -2000, 4000, 4000);
+        view = new QGraphicsView(scene, 0);
+        QVBoxLayout *l = new QVBoxLayout(this);
+        l->addWidget(view);
+    }
+
+    QGraphicsScene *scene;
+    QGraphicsView *view;
+};
+
+class MainWindow : public QMainWindow
+{
+public:
+    MainWindow();
+
+    void setDirectory(const QString &path);
+
+private:
+    QTabWidget *tabWidget;
+    StandardGestures *standardGestures;
+    GlobalViewGestures *globalViewGestures;
+    GraphicsItemGestures *graphicsItemGestures;
+};
+
+MainWindow::MainWindow()
+{
+    (void)qApp->registerGestureRecognizer(new MousePanGestureRecognizer);
+    ThreeFingerSlideGesture::Type = qApp->registerGestureRecognizer(new ThreeFingerSlideGestureRecognizer);
+
+    tabWidget = new QTabWidget;
+
+    standardGestures = new StandardGestures;
+    tabWidget->addTab(standardGestures, "Standard gestures");
+
+    globalViewGestures = new GlobalViewGestures;
+    tabWidget->addTab(globalViewGestures , "Global gestures");
+
+    graphicsItemGestures = new GraphicsItemGestures;
+    tabWidget->addTab(graphicsItemGestures, "Graphics item gestures");
+
+    setCentralWidget(tabWidget);
+}
+
+void MainWindow::setDirectory(const QString &path)
+{
+    QDir dir(path);
+    QStringList files = dir.entryList(QDir::Files | QDir::Readable | QDir::NoDotAndDotDot);
+    foreach(const QString &file, files) {
+        QImageReader img(path + QLatin1String("/")+file);
+        QImage image = img.read();
+        if (!image.isNull()) {
+            {
+                ImageItem *item = new ImageItem(image);
+                item->setPos(0, 0);
+                item->setFlags(QGraphicsItem::ItemIsMovable);
+                standardGestures->scene->addItem(item);
+            }
+            {
+                ImageItem *item = new ImageItem(image);
+                item->setPos(0, 0);
+                item->setFlags(QGraphicsItem::ItemIsMovable);
+                globalViewGestures->scene->addItem(item);
+            }
+            {
+                GestureImageItem *item = new GestureImageItem(image);
+                item->setPos(0, 0);
+                item->setFlags(QGraphicsItem::ItemIsMovable);
+                graphicsItemGestures->scene->addItem(item);
+            }
+        }
+    }
+
+    {
+        QList<QGraphicsItem*> items = standardGestures->scene->items();
+        if (!items.isEmpty())
+            standardGestures->view->ensureVisible(items.at(0));
+    }
+    {
+        QList<QGraphicsItem*> items = globalViewGestures->scene->items();
+        if (!items.isEmpty())
+            globalViewGestures->view->ensureVisible(items.at(0));
+    }
+    {
+        QList<QGraphicsItem*> items = graphicsItemGestures->scene->items();
+        if (!items.isEmpty())
+            graphicsItemGestures->view->ensureVisible(items.at(0));
+    }
+}
+
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+    MainWindow window;
+    if (QApplication::arguments().size() > 1)
+        window.setDirectory(QApplication::arguments().at(1));
+    else
+        window.setDirectory(QFileDialog::getExistingDirectory(0, "Select image folder"));
+    window.show();
+    return app.exec();
+}
+
+#include "main.moc"