forked from qt-creator/qt-creator
335f6ad0f7
Manually redid Qt 4.8 commit 206ebd5af21d94c3f3b49d2cb645105a63e6f5fb, to make future code synchronization easier. In order not to have to change the QmlApplicationViewer again, a compatibility class QDeclarativeViewObserver is retained that subclasses QDeclarativeViewInspector. Change-Id: Ief87ae2f8f76b1db0c9d65085e4832424b277603 Reviewed-on: http://codereview.qt.nokia.com/242 Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com> Reviewed-by: Kai Koehne <kai.koehne@nokia.com>
98 lines
2.7 KiB
C++
98 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) 2011 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (info@qt.nokia.com)
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**
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**
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** GNU Lesser General Public License Usage
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**
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** Other Usage
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**
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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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 "abstractliveedittool.h"
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#include "liverubberbandselectionmanipulator.h"
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QT_FORWARD_DECLARE_CLASS(QAction)
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namespace QmlJSDebugger {
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class ZoomTool : public AbstractLiveEditTool
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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(QDeclarativeViewInspector *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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LiveRubberBandSelectionManipulator *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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