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44 lines
855 B
Java
44 lines
855 B
Java
import org.kde.qt.*;
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public class CannonField extends QWidget {
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private int ang;
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public CannonField(QWidget parent, String name) {
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super(parent, name);
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ang = 45;
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setPalette(new QPalette(new QColor(250, 250, 200)));
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}
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public int angle() {
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return ang;
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}
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public void setAngle(int degrees) {
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if (degrees < 5)
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degrees = 5;
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if (degrees > 70)
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degrees = 70;
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if (ang == degrees)
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return;
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ang = degrees;
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repaint();
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emit("angleChanged", ang);
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}
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public void paintEvent(QPaintEvent e) {
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QPainter p = new QPainter(this);
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p.setBrush(blue());
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p.setPen(NoPen);
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p.translate(0, rect().bottom());
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p.drawPie(new QRect(-35, -35, 70, 70), 0, 90*16);
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p.rotate(-ang);
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p.drawRect(new QRect(33, -4, 15, 8));
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}
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public QSizePolicy sizePolicy() {
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return new QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding);
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}
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}
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