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46 lines
924 B
46 lines
924 B
/****************************************************************
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**
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** Implementation CannonField class, TQt tutorial 8
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**
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****************************************************************/
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#include "cannon.h"
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#include <tqpainter.h>
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CannonField::CannonField( TQWidget *parent, const char *name )
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: TQWidget( parent, name )
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{
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ang = 45;
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setPalette( TQPalette( TQColor( 250, 250, 200) ) );
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}
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void CannonField::setAngle( int degrees )
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{
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if ( degrees < 5 )
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degrees = 5;
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if ( degrees > 70 )
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degrees = 70;
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if ( ang == degrees )
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return;
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ang = degrees;
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repaint();
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emit angleChanged( ang );
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}
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void CannonField::paintEvent( TQPaintEvent * )
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{
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TQString s = "Angle = " + TQString::number( ang );
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TQPainter p( this );
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p.drawText( 200, 200, s );
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}
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TQSizePolicy CannonField::sizePolicy() const
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{
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return TQSizePolicy( TQSizePolicy::Expanding, TQSizePolicy::Expanding );
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}
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