1 files changed, 111 insertions, 0 deletions
diff --git a/src/plugins/qmltooling/qmldbg_qtquick2/zoomtool.h b/src/plugins/qmltooling/qmldbg_qtquick2/zoomtool.h
new file mode 100644
index 0000000000..02ed8e09df
--- /dev/null
+++ b/src/plugins/qmltooling/qmldbg_qtquick2/zoomtool.h
@@ -0,0 +1,111 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef ZOOMTOOL_H
+#define ZOOMTOOL_H
+
+#include "abstracttool.h"
+
+#include <QtCore/QPointF>
+
+QT_FORWARD_DECLARE_CLASS(QQuickView)
+QT_FORWARD_DECLARE_CLASS(QQuickItem)
+
+namespace QmlJSDebugger {
+namespace QtQuick2 {
+
+class QQuickViewInspector;
+
+class ZoomTool : public AbstractTool
+{
+    Q_OBJECT
+
+public:
+    enum ZoomDirection {
+        ZoomIn,
+        ZoomOut
+    };
+
+    explicit ZoomTool(QQuickViewInspector *inspector, QQuickView *view);
+    virtual ~ZoomTool();
+    void leaveEvent(QEvent *) {}
+
+    void mousePressEvent(QMouseEvent *event);
+    void mouseMoveEvent(QMouseEvent *event);
+    void mouseReleaseEvent(QMouseEvent *) {}
+    void mouseDoubleClickEvent(QMouseEvent *event);
+
+    void hoverMoveEvent(QMouseEvent *event);
+    void wheelEvent(QWheelEvent *event);
+
+    void keyPressEvent(QKeyEvent *) {}
+    void keyReleaseEvent(QKeyEvent *event);
+
+    void touchEvent(QTouchEvent *event);
+
+private:
+    qreal nextZoomScale(ZoomDirection direction);
+    void scaleView(const qreal &factor, const QPointF &newcenter, const QPointF &oldcenter);
+    void zoomTo100();
+    void zoomIn();
+    void zoomOut();
+
+private:
+    bool m_originalSmooth;
+    bool m_dragStarted;
+    bool m_pinchStarted;
+    QQuickItem *m_rootItem;
+    QPointF m_adjustedOrigin;
+    QPointF m_dragStartPosition;
+    QPointF m_mousePosition;
+    QPointF m_originalPosition;
+    qreal m_currentScale;
+    qreal m_smoothScaleFactor;
+    qreal m_minScale;
+    qreal m_maxScale;
+    qreal m_tapScaleCounter;
+    qreal m_originalScale;
+};
+
+} // namespace QtQuick2
+} // namespace QmlJSDebugger
+
+#endif // ZOOMTOOL_H