import org.trinitydesktop.qt.*; public class CannonField extends TQWidget { private int ang; public CannonField(TQWidget parent, String name) { super(parent, name); ang = 45; setPalette(new TQPalette(new TQColor(250, 250, 200))); } public int angle() { return ang; } public void setAngle(int degrees) { if (degrees < 5) degrees = 5; if (degrees > 70) degrees = 70; if (ang == degrees) return; ang = degrees; repaint(); emit("angleChanged", ang); } public void paintEvent(TQPaintEvent e) { TQPainter p = new TQPainter(this); p.setBrush(blue()); p.setPen(NoPen); p.translate(0, rect().bottom()); p.drawPie(new TQRect(-35, -35, 70, 70), 0, 90*16); p.rotate(-ang); p.drawRect(new TQRect(33, -4, 15, 8)); } public TQSizePolicy sizePolicy() { return new TQSizePolicy(TQSizePolicy.Expanding, TQSizePolicy.Expanding); } }