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import org.kde.qt.*;
public class CannonField extends TQWidget {
private int ang;
private int f;
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 int force() {
return f;
}
public void setForce(int newton) {
if (newton < 0)
newton = 0;
if (f == newton)
return;
f = newton;
emit("forceChanged", f);
}
private TQRect cannonRect() {
TQRect r = new TQRect(0, 0, 50, 50);
r.moveBottomLeft(rect().bottomLeft());
return r;
}
public void paintEvent(TQPaintEvent e) {
if (!e.rect().intersects(cannonRect()))
return;
TQRect cr = cannonRect();
TQPixmap pix = new TQPixmap(cr.size());
pix.fill(new TQColor(250, 250, 200));
TQPainter p = new TQPainter(pix);
p.setBrush(blue());
p.setPen(NoPen);
p.translate(0, pix.height() - 1);
p.drawPie(new TQRect(-35,-35, 70, 70), 0, 90*16);
p.rotate(-ang);
p.drawRect(new TQRect(33, -4, 15, 8));
p.end();
p.begin(this);
p.drawPixmap(cr.topLeft(), pix);
}
public TQSizePolicy sizePolicy() {
return new TQSizePolicy(TQSizePolicy.Expanding, TQSizePolicy.Expanding);
}
}
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