From d796c9dd933ab96ec83b9a634feedd5d32e1ba3f Mon Sep 17 00:00:00 2001
From: Timothy Pearson <kb9vqf@pearsoncomputing.net>
Date: Tue, 8 Nov 2011 12:31:36 -0600
Subject: Test conversion to TQt3 from Qt3
 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731

---
 tutorial/t10/cannon.cpp | 80 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 tutorial/t10/cannon.cpp

(limited to 'tutorial/t10/cannon.cpp')

diff --git a/tutorial/t10/cannon.cpp b/tutorial/t10/cannon.cpp
new file mode 100644
index 000000000..fa2b2c103
--- /dev/null
+++ b/tutorial/t10/cannon.cpp
@@ -0,0 +1,80 @@
+/****************************************************************
+**
+** Implementation CannonField class, TQt tutorial 10
+**
+****************************************************************/
+
+#include "cannon.h"
+#include <qpainter.h>
+#include <qpixmap.h>
+
+
+CannonField::CannonField( TQWidget *parent, const char *name )
+        : TQWidget( parent, name )
+{
+    ang = 45;
+    f = 0;
+    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( cannonRect(), FALSE );
+    emit angleChanged( ang );
+}
+
+
+void CannonField::setForce( int newton )
+{
+    if ( newton < 0 )
+	newton = 0;
+    if ( f == newton )
+	return;
+    f = newton;
+    emit forceChanged( f );
+}
+
+
+void CannonField::paintEvent( TQPaintEvent *e )
+{
+    if ( !e->rect().intersects( cannonRect() ) )
+	return;
+
+    TQRect cr = cannonRect();
+    TQPixmap pix( cr.size() );
+    pix.fill( this, cr.topLeft() );
+
+    TQPainter p( &pix );
+    p.setBrush( blue );
+    p.setPen( NoPen );
+    p.translate( 0, pix.height() - 1 );
+    p.drawPie( TQRect( -35,-35, 70, 70 ), 0, 90*16 );
+    p.rotate( -ang );
+    p.drawRect( TQRect(33, -4, 15, 8) );
+    p.end();
+
+    p.begin( this );
+    p.drawPixmap( cr.topLeft(), pix );
+}
+
+
+TQRect CannonField::cannonRect() const
+{
+    TQRect r( 0, 0, 50, 50 );
+    r.moveBottomLeft( rect().bottomLeft() );
+    return r;
+}
+
+
+TQSizePolicy CannonField::sizePolicy() const
+{
+    return TQSizePolicy( TQSizePolicy::Expanding, TQSizePolicy::Expanding );
+}
-- 
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