From bd0f3345a938b35ce6a12f6150373b0955b8dd12 Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Sun, 10 Jul 2011 15:24:15 -0500 Subject: Add Qt3 development HEAD version --- doc/html/t9-cannon-cpp.html | 92 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 doc/html/t9-cannon-cpp.html (limited to 'doc/html/t9-cannon-cpp.html') diff --git a/doc/html/t9-cannon-cpp.html b/doc/html/t9-cannon-cpp.html new file mode 100644 index 0000000..22f78e3 --- /dev/null +++ b/doc/html/t9-cannon-cpp.html @@ -0,0 +1,92 @@ + + + + + +t9/cannon.cpp Example File + + + + + + + +
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t9/cannon.cpp Example File

+ + +
/****************************************************************
+**
+** Implementation CannonField class, Qt tutorial 9
+**
+****************************************************************/
+
+#include "cannon.h"
+#include <qpainter.h>
+
+
+CannonField::CannonField( QWidget *parent, const char *name )
+        : QWidget( parent, name )
+{
+    ang = 45;
+    setPalette( QPalette( QColor( 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( QPaintEvent * )
+{
+    QPainter p( this );
+
+    p.setBrush( blue );
+    p.setPen( NoPen );
+
+    p.translate( 0, rect().bottom() );
+    p.drawPie( QRect(-35, -35, 70, 70), 0, 90*16 );
+    p.rotate( -ang );
+    p.drawRect( QRect(33, -4, 15, 8) );
+}
+
+
+QSizePolicy CannonField::sizePolicy() const
+{
+    return QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
+}
+
+

+ +
Copyright © 2007 +TrolltechTrademarks +
Qt 3.3.8
+
+ -- cgit v1.2.1