import org.kde.qt.*; public class Tut8 extends TQWidget { public Tut8() { TQPushButton quit = new TQPushButton("Quit", this, "quit"); quit.setFont(new TQFont("Times", 18, TQFont.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)")); TQGridLayout grid = new TQGridLayout(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) { TQApplication a = new TQApplication(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"); } } }