/****************************************************************
**
** Qt tutorial 11
**
****************************************************************/
#include <qapplication.h>
#include <qpushbutton.h>
#include <qscrollbar.h>
#include <qlcdnumber.h>
#include <qfont.h>
#include <qlayout.h>
#include "lcdrange.h"
#include "cannon.h"
class MyWidget : public QWidget
{
public:
MyWidget( QWidget *parent=0, const char *name=0 );
};
MyWidget::MyWidget( QWidget *parent, const char *name )
: QWidget( parent, name )
{
setMinimumSize( 500, 355 );
QPushButton *quit = new QPushButton( "Quit", this, "quit" );
quit->setFont( QFont( "Times", 18, QFont::Bold ) );
connect( quit, SIGNAL(clicked()), qApp, SLOT(quit()) );
LCDRange *angle = new LCDRange( this, "angle" );
angle->setRange( 5, 70 );
LCDRange *force = new LCDRange( this, "force" );
force->setRange( 10, 50 );
QPushButton *shoot = new QPushButton( "Shoot", this, "shoot" );
shoot->setFont( QFont( "Times", 18, QFont::Bold ) );
CannonField *cannonField = new CannonField( this, "cannonField" );
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)));
connect( shoot, SIGNAL(clicked()), cannonField, SLOT(shoot()) );
QGridLayout *grid = new QGridLayout( this, 2, 2, 10 );
grid->addWidget( quit, 0, 0 );
grid->addWidget( cannonField, 1, 1 );
grid->setColStretch( 1, 10 );
QVBoxLayout *leftBox = new QVBoxLayout;
grid->addLayout( leftBox, 1, 0 );
leftBox->addWidget( angle );
leftBox->addWidget( force );
QHBoxLayout *topBox = new QHBoxLayout;
grid->addLayout( topBox, 0, 1 );
topBox->addWidget( shoot );
topBox->addStretch( 1 );
angle->setValue( 60 );
force->setValue( 25 );
}
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();
}
| Copyright © 1999 Troll Tech | Trademarks | Qt version 2.0.2
|