/**************************************************************** ** ** Qt tutorial 7 ** ****************************************************************/ #include #include #include #include #include #include #include "lcdrange.h" class MyWidget : public QVBox { public: MyWidget( QWidget *parent=0, const char *name=0 ); }; MyWidget::MyWidget( QWidget *parent, const char *name ) : QVBox( parent, name ) { QPushButton *quit = new QPushButton( "Quit", this, "quit" ); quit->setFont( QFont( "Times", 18, QFont::Bold ) ); connect( quit, SIGNAL(clicked()), qApp, SLOT(quit()) ); QGrid *grid = new QGrid( 4, this ); LCDRange *previous = 0; for( int r = 0 ; r < 4 ; r++ ) { for( int c = 0 ; c < 4 ; c++ ) { LCDRange* lr = new LCDRange( grid ); if ( previous ) connect( lr, SIGNAL(valueChanged(int)), previous, SLOT(setValue(int)) ); previous = lr; } } } int main( int argc, char **argv ) { QApplication a( argc, argv ); MyWidget w; a.setMainWidget( &w ); w.show(); return a.exec(); }