Source code for tutorial 10: main.cpp
/****************************************************************
**
** Qt tutorial 10
**
****************************************************************/
#include <qapp.h>
#include <qpushbt.h>
#include <qscrbar.h>
#include <qlcdnum.h>
#include <qfont.h>
#include "lcdrange.h"
#include "cannon.h"
class MyWidget : public QWidget
{
public:
MyWidget( QWidget *parent=0, const char *name=0 );
protected:
void resizeEvent( QResizeEvent * );
private:
QPushButton *quit;
LCDRange *angle;
LCDRange *force;
CannonField *cannonField;
};
MyWidget::MyWidget( QWidget *parent, const char *name )
: QWidget( parent, name )
{
setMinimumSize( 500, 355 );
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()) );
angle = new LCDRange( this, "angle" );
angle->setRange( 5, 70 );
angle->setGeometry( 10, quit->y() + quit->height() + 10, 75, 130 );
force = new LCDRange( this, "force" );
force->setRange( 10, 50 );
force->setGeometry( 10, angle->y() + angle->height() + 10, 75, 130 );
cannonField = new CannonField( this, "cannonField" );
cannonField->move( angle->x() + angle->width() + 10, angle->y() );
cannonField->setBackgroundColor( QColor( 250, 250, 200) );
connect( angle,SIGNAL(valueChanged(int)), cannonField,SLOT(setAngle(int)));
connect( cannonField,SIGNAL(angleChanged(int)), angle,SLOT(setValue(int)));
connect( force,SIGNAL(valueChanged(int)), cannonField,SLOT(setForce(int)));
connect( cannonField,SIGNAL(forceChanged(int)), force,SLOT(setValue(int)));
angle->setValue( 60 );
force->setValue( 25 );
}
void MyWidget::resizeEvent( QResizeEvent * )
{
cannonField->resize( width() - cannonField->x() - 10,
height() - cannonField->y() - 10 );
}
int main( int argc, char **argv )
{
QApplication::setColorSpec( QApplication::CustomColor );
QApplication a( argc, argv );
MyWidget w;
w.setGeometry( 100, 100, 500, 355 );
a.setMainWidget( &w );
w.show();
return a.exec();
}
Generated at 17:29, 1997/04/07 for Qt version 1.2 by the webmaster at Troll Tech