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Diffstat (limited to 'examples/widgets/imageviewer/imageviewer.h')
-rw-r--r-- | examples/widgets/imageviewer/imageviewer.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/examples/widgets/imageviewer/imageviewer.h b/examples/widgets/imageviewer/imageviewer.h new file mode 100644 index 0000000000..81ddf6c30a --- /dev/null +++ b/examples/widgets/imageviewer/imageviewer.h @@ -0,0 +1,103 @@ +/**************************************************************************** +** +** 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 examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef IMAGEVIEWER_H +#define IMAGEVIEWER_H + +#include <QMainWindow> +#include <QPrinter> + +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 |