Add Qt3 development HEAD version

1 files changed, 57 insertions, 0 deletions

diff --git a/tutorial/t11/cannon.h b/tutorial/t11/cannon.h
new file mode 100644
index 0000000..76f895d
--- /dev/null
+++ b/tutorial/t11/cannon.h
@@ -0,0 +1,57 @@
+/****************************************************************
+**
+** Definition of CannonField class, Qt tutorial 11
+**
+****************************************************************/
+
+#ifndef CANNON_H
+#define CANNON_H
+
+class QTimer;
+
+
+#include <qwidget.h>
+
+
+class CannonField : public QWidget
+{
+    Q_OBJECT
+public:
+    CannonField( QWidget *parent=0, const char *name=0 );
+
+    int   angle() const { return ang; }
+    int   force() const { return f; }
+    QSizePolicy sizePolicy() const;
+
+public slots:
+    void  setAngle( int degrees );
+    void  setForce( int newton );
+    void  shoot();
+
+private slots:
+    void  moveShot();
+
+signals:
+    void  angleChanged( int );
+    void  forceChanged( int );
+
+protected:
+    void  paintEvent( QPaintEvent * );
+
+private:
+    void  paintShot( QPainter * );
+    void  paintCannon( QPainter * );
+    QRect cannonRect() const;
+    QRect shotRect() const;
+
+    int ang;
+    int f;
+
+    int timerCount;
+    QTimer * autoShootTimer;
+    float shoot_ang;
+    float shoot_f;
+};
+
+
+#endif // CANNON_H