forked from qt-creator/qt-creator
7d622f1145
- Renaming the screen orientation enum and keys - Explicit constructors - Virtual destructors - Renamed some occurences of 'Qml' in comments to 'QML' - Adding descriptive comments to all generated files which should not be touched by the user. - Adding missing license headers to the qmljsdebugger sources Task-Number: QTCREATORBUG-2885 Reviewed-by: Friedemann Kleint Reviewed-by: dt
95 lines
2.7 KiB
C++
95 lines
2.7 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#ifndef ZOOMTOOL_H
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#define ZOOMTOOL_H
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#include "abstractformeditortool.h"
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#include "rubberbandselectionmanipulator.h"
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QT_FORWARD_DECLARE_CLASS(QAction);
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namespace QmlJSDebugger {
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class ZoomTool : public AbstractFormEditorTool
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{
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Q_OBJECT
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public:
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enum ZoomDirection {
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ZoomIn,
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ZoomOut
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};
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explicit ZoomTool(QDeclarativeViewObserver *view);
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virtual ~ZoomTool();
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void mousePressEvent(QMouseEvent *event);
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void mouseMoveEvent(QMouseEvent *event);
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void mouseReleaseEvent(QMouseEvent *event);
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void mouseDoubleClickEvent(QMouseEvent *event);
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void hoverMoveEvent(QMouseEvent *event);
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void wheelEvent(QWheelEvent *event);
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void keyPressEvent(QKeyEvent *event);
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void keyReleaseEvent(QKeyEvent *keyEvent);
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void itemsAboutToRemoved(const QList<QGraphicsItem*> &itemList);
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void clear();
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protected:
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void selectedItemsChanged(const QList<QGraphicsItem*> &itemList);
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private slots:
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void zoomTo100();
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void zoomIn();
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void zoomOut();
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private:
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qreal nextZoomScale(ZoomDirection direction) const;
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void scaleView(const QPointF ¢erPos);
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private:
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bool m_dragStarted;
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QPoint m_mousePos; // in view coords
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QPointF m_dragBeginPos;
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QAction *m_zoomTo100Action;
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QAction *m_zoomInAction;
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QAction *m_zoomOutAction;
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RubberBandSelectionManipulator m_rubberbandManipulator;
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qreal m_smoothZoomMultiplier;
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qreal m_currentScale;
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};
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} // namespace QmlJSDebugger
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#endif // ZOOMTOOL_H
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