You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
|
|
/****************************************************************
|
|
|
|
|
**
|
|
|
|
|
** Implementation CannonField class, TQt tutorial 8
|
|
|
|
|
**
|
|
|
|
|
****************************************************************/
|
|
|
|
|
|
|
|
|
|
#include "cannon.h"
|
|
|
|
|
#include <ntqpainter.h>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
CannonField::CannonField( TQWidget *parent, const char *name )
|
|
|
|
|
: TQWidget( parent, name )
|
|
|
|
|
{
|
|
|
|
|
ang = 45;
|
|
|
|
|
setPalette( TQPalette( TQColor( 250, 250, 200) ) );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void CannonField::setAngle( int degrees )
|
|
|
|
|
{
|
|
|
|
|
if ( degrees < 5 )
|
|
|
|
|
degrees = 5;
|
|
|
|
|
if ( degrees > 70 )
|
|
|
|
|
degrees = 70;
|
|
|
|
|
if ( ang == degrees )
|
|
|
|
|
return;
|
|
|
|
|
ang = degrees;
|
|
|
|
|
repaint();
|
|
|
|
|
emit angleChanged( ang );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void CannonField::paintEvent( TQPaintEvent * )
|
|
|
|
|
{
|
|
|
|
|
TQString s = "Angle = " + TQString::number( ang );
|
|
|
|
|
TQPainter p( this );
|
|
|
|
|
p.drawText( 200, 200, s );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
TQSizePolicy CannonField::sizePolicy() const
|
|
|
|
|
{
|
|
|
|
|
return TQSizePolicy( TQSizePolicy::Expanding, TQSizePolicy::Expanding );
|
|
|
|
|
}
|
|
|
|
|
|
