import org.trinitydesktop.qt.*; public class Tut7 extends TQVBox { public Tut7() { TQPushButton quit = new TQPushButton("Quit", this, "quit"); quit.setFont(new TQFont("Times", 18, TQFont.Bold, false)); connect(quit, SIGNAL("clicked()"), tqApp(), SLOT("quit()")); TQGrid grid = new TQGrid(4, this, null, 0); LCDRange previous = null; for(int r = 0; r < 4; r++) { for(int c = 0; c < 4; c++) { LCDRange lr = new LCDRange(grid); if (previous!=null) connect(lr, SIGNAL("valueChanged(int)"), previous, SLOT("setValue(int)")); previous = lr; } } } public static void main(String[] args) { TQApplication a = new TQApplication(args); Tut7 w = new Tut7(); a.setMainWidget(w); w.show(); a.exec(); return; } static { try { Class c = Class.forName("org.trinitydesktop.qt.qtjava"); } catch (Exception e) { e.printStackTrace(); System.out.println("Can't load qtjava class"); } } }