diff -r 000000000000 -r 1918ee327afb examples/widgets/imageviewer/imageviewer.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/widgets/imageviewer/imageviewer.h Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,104 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef IMAGEVIEWER_H +#define IMAGEVIEWER_H + +#include +#include + +QT_BEGIN_NAMESPACE +class QAction; +class QLabel; +class QMenu; +class QScrollArea; +class QScrollBar; +QT_END_NAMESPACE + +//! [0] +class ImageViewer : public QMainWindow +{ + Q_OBJECT + +public: + ImageViewer(); + +private slots: + void open(); + void print(); + void zoomIn(); + void zoomOut(); + void normalSize(); + void fitToWindow(); + void about(); + +private: + void createActions(); + void createMenus(); + void updateActions(); + void scaleImage(double factor); + void adjustScrollBar(QScrollBar *scrollBar, double factor); + + QLabel *imageLabel; + QScrollArea *scrollArea; + double scaleFactor; + +#ifndef QT_NO_PRINTER + QPrinter printer; +#endif + + QAction *openAct; + QAction *printAct; + QAction *exitAct; + QAction *zoomInAct; + QAction *zoomOutAct; + QAction *normalSizeAct; + QAction *fitToWindowAct; + QAction *aboutAct; + QAction *aboutQtAct; + + QMenu *fileMenu; + QMenu *viewMenu; + QMenu *helpMenu; +}; +//! [0] + +#endif