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screenshot.h Example File
desktop/screenshot/screenshot.h

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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


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Qt 4.3.5