Qt 4.8: screenshot.h Example File (desktop/screenshot/screenshot.h)

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# screenshot.h Example File

desktop/screenshot/screenshot.h

     /****************************************************************************
     **
     ** Copyright (C) 2015 The Qt Company Ltd.
     ** Contact: http://www.qt.io/licensing/
     **
     ** 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 The Qt Company Ltd 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
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     #ifndef SCREENSHOT_H
     #define SCREENSHOT_H

     #include <QPixmap>
     #include <QWidget>

     class QCheckBox;
     class QGridLayout;
     class QGroupBox;
     class QHBoxLayout;
     class QLabel;
     class QPushButton;
     class QSpinBox;
     class QVBoxLayout;

     class Screenshot : public QWidget
     {
         Q_OBJECT

     public:
         Screenshot();

     protected:
         void resizeEvent(QResizeEvent *event);

     private slots:
         void newScreenshot();
         void saveScreenshot();
         void shootScreen();
         void updateCheckBox();

     private:
         void createOptionsGroupBox();
         void createButtonsLayout();
         QPushButton *createButton(const QString &text, QWidget *receiver,
                                   const char *member);
         void updateScreenshotLabel();

         QPixmap originalPixmap;

         QLabel *screenshotLabel;
         QGroupBox *optionsGroupBox;
         QSpinBox *delaySpinBox;
         QLabel *delaySpinBoxLabel;
         QCheckBox *hideThisWindowCheckBox;
         QPushButton *newScreenshotButton;
         QPushButton *saveScreenshotButton;
         QPushButton *quitScreenshotButton;

         QVBoxLayout *mainLayout;
         QGridLayout *optionsGroupBoxLayout;
         QHBoxLayout *buttonsLayout;
     };

     #endif