window.h Example File

painting/basicdrawing/window.h
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 #ifndef WINDOW_H
 #define WINDOW_H

 #include <QWidget>

 class QCheckBox;
 class QComboBox;
 class QLabel;
 class QSpinBox;

 class RenderArea;

 class Window : public QWidget
 {
     Q_OBJECT

 public:
     Window();

 private slots:
     void shapeChanged();
     void penChanged();
     void brushChanged();

 private:
     RenderArea *renderArea;
     QLabel *shapeLabel;
     QLabel *penWidthLabel;
     QLabel *penStyleLabel;
     QLabel *penCapLabel;
     QLabel *penJoinLabel;
     QLabel *brushStyleLabel;
     QLabel *otherOptionsLabel;
     QComboBox *shapeComboBox;
     QSpinBox *penWidthSpinBox;
     QComboBox *penStyleComboBox;
     QComboBox *penCapComboBox;
     QComboBox *penJoinComboBox;
     QComboBox *brushStyleComboBox;
     QCheckBox *antialiasingCheckBox;
     QCheckBox *transformationsCheckBox;
 };

 #endif