diff options
Diffstat (limited to 'src/plugins/qmltooling/qmldbg_inspector/editor/zoomtool.h')
-rw-r--r-- | src/plugins/qmltooling/qmldbg_inspector/editor/zoomtool.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/plugins/qmltooling/qmldbg_inspector/editor/zoomtool.h b/src/plugins/qmltooling/qmldbg_inspector/editor/zoomtool.h new file mode 100644 index 0000000..de93559 --- /dev/null +++ b/src/plugins/qmltooling/qmldbg_inspector/editor/zoomtool.h @@ -0,0 +1,107 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative 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 "abstractliveedittool.h" +#include "liverubberbandselectionmanipulator.h" + +QT_FORWARD_DECLARE_CLASS(QAction) + +namespace QmlJSDebugger { + +class ZoomTool : public AbstractLiveEditTool +{ + Q_OBJECT + +public: + enum ZoomDirection { + ZoomIn, + ZoomOut + }; + + explicit ZoomTool(QDeclarativeViewInspector *view); + + virtual ~ZoomTool(); + + void mousePressEvent(QMouseEvent *event); + void mouseMoveEvent(QMouseEvent *event); + void mouseReleaseEvent(QMouseEvent *event); + void mouseDoubleClickEvent(QMouseEvent *event); + + void hoverMoveEvent(QMouseEvent *event); + void wheelEvent(QWheelEvent *event); + + void keyPressEvent(QKeyEvent *event); + void keyReleaseEvent(QKeyEvent *keyEvent); + void itemsAboutToRemoved(const QList<QGraphicsItem*> &) {} + + void clear(); + +protected: + void selectedItemsChanged(const QList<QGraphicsItem*> &) {} + +private slots: + void zoomTo100(); + void zoomIn(); + void zoomOut(); + +private: + qreal nextZoomScale(ZoomDirection direction) const; + void scaleView(const QPointF ¢erPos); + +private: + bool m_dragStarted; + QPoint m_mousePos; // in view coords + QPointF m_dragBeginPos; + QAction *m_zoomTo100Action; + QAction *m_zoomInAction; + QAction *m_zoomOutAction; + LiveRubberBandSelectionManipulator *m_rubberbandManipulator; + + qreal m_smoothZoomMultiplier; + qreal m_currentScale; +}; + +} // namespace QmlJSDebugger + +#endif // ZOOMTOOL_H |