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51 lines
1.0 KiB
51 lines
1.0 KiB
/****************************************************************
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**
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** Implementation CannonField class, TQt tutorial 9
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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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TQPainter p( this );
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p.setBrush( blue );
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p.setPen( NoPen );
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p.translate( 0, rect().bottom() );
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p.drawPie( TQRect(-35, -35, 70, 70), 0, 90*16 );
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p.rotate( -ang );
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p.drawRect( TQRect(33, -4, 15, 8) );
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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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