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import org.kde.qt.*;
public class Tut8 extends QWidget {
public Tut8() {
QPushButton quit = new QPushButton("Quit", this, "quit");
quit.setFont(new QFont("Times", 18, QFont.Bold, false));
connect(quit, SIGNAL("clicked()"), qApp(), SLOT("quit()"));
LCDRange angle = new LCDRange(this, "angle");
angle.setRange(5, 70);
CannonField cannonField = new CannonField(this, "cannonField");
connect(angle, SIGNAL("valueChanged(int)"),
cannonField, SLOT("setAngle(int)"));
connect(cannonField, SIGNAL("angleChanged(int)"),
angle, SLOT("setValue(int)"));
QGridLayout grid = new QGridLayout(this, 2, 2, 10, -1, null);
//2x2, 10 pixel border
grid.addWidget(quit, 0, 0);
grid.addWidget(angle, 1, 0, Qt.AlignTop);
grid.addWidget(cannonField, 1, 1);
grid.setColStretch(1, 10);
angle.setValue(60);
angle.setFocus();
}
public static void main(String[] args) {
QApplication a = new QApplication(args);
Tut8 w = new Tut8();
w.setGeometry( 100, 100, 500, 355 );
a.setMainWidget(w);
w.show();
a.exec();
return;
}
static {
try {
Class c = Class.forName("org.kde.qt.qtjava");
} catch (Exception e) {
e.printStackTrace();
System.out.println("Can't load qtjava class");
}
}
}
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