Source code for tutorial 7: main.cpp
/****************************************************************
**
** Qt tutorial 7
**
****************************************************************/
#include <qapp.h>
#include <qpushbt.h>
#include <qscrbar.h>
#include <qlcdnum.h>
#include <qfont.h>
#include "lcdrange.h"
class MyWidget : public QWidget
{
public:
MyWidget( QWidget *parent=0, const char *name=0 );
protected:
void resizeEvent( QResizeEvent * );
private:
QPushButton *quit;
LCDRange *value[16];
};
MyWidget::MyWidget( QWidget *parent, const char *name )
: QWidget( parent, name )
{
setMinimumSize( 200, 300 );
quit = new QPushButton( "Quit", this, "quit" );
quit->setGeometry( 10, 10, 75, 30 );
quit->setFont( QFont( "Times", 18, QFont::Bold ) );
connect( quit, SIGNAL(clicked()), qApp, SLOT(quit()) );
for( int i = 0 ; i < 16 ; i++ ) {
value[i] = new LCDRange( this );
if ( i > 0 )
connect( value[i], SIGNAL(valueChanged(int)),
value[i - 1], SLOT(setValue(int)) );
}
}
void MyWidget::resizeEvent( QResizeEvent * )
{
int valueWidth = (width() - 20)/4;
int valueHeight = (height() - 65)/4;
for( int i = 0 ; i < 16 ; i++ )
value[i]->setGeometry( 10 + (i%4)*valueWidth, 55 + (i/4)*valueHeight,
valueWidth - 5, valueHeight - 5 );
}
int main( int argc, char **argv )
{
QApplication a( argc, argv );
MyWidget w;
w.setGeometry( 100, 100, 400, 400 );
a.setMainWidget( &w );
w.show();
return a.exec();
}
Generated at 16:51, 1996/09/24 for Qt version 1.0 by the webmaster at Troll Tech