wireless monitoring applet added to opie-cvs

1 files changed, 71 insertions, 0 deletions

diff --git a/noncore/applets/wirelessapplet/mgraph.cpp b/noncore/applets/wirelessapplet/mgraph.cpp
new file mode 100644
index 0000000..b4b86b0
--- a/dev/null
+++ b/noncore/applets/wirelessapplet/mgraph.cpp
@@ -0,0 +1,71 @@
+/**********************************************************************
+** MGraph
+**
+** A reusable graph widget.
+**
+** Copyright (C) 2002, Michael Lauer
+**                    mickey@tm.informatik.uni-frankfurt.de
+**                    http://www.Vanille.de
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+**********************************************************************/
+
+#include "mgraph.h"
+#include "graphbackground.xpm"
+#include <qpainter.h>
+#include <qpixmap.h>
+
+//---------------------------------------------------------------------------
+
+MGraph::MGraph( QWidget *parent, const char *name, WFlags f )
+    : QFrame( parent, name, f ), min( 0 ), max( 0), values( 0 )
+{
+    background = new QPixmap( (const char** ) graphbackground_xpm );
+    values = new ValueList();
+}
+
+void MGraph::setFrameStyle( int style )
+{
+    QFrame::setFrameStyle( style );
+    setFixedSize( background->width() + frameWidth()*2, background->height() + frameWidth()*2 );
+}
+
+void MGraph::addValue( int value, bool followMax )
+{
+    values->append( value );
+    if ( followMax && (value > max) )
+        setMax( value );
+    if ( values->count() == background->width()-2 ) // compensate for graph display element border
+        values->remove( values->begin() );
+    repaint( false );
+}
+
+void MGraph::drawContents( QPainter* p )
+{
+    p->drawPixmap( frameWidth(), frameWidth(), (const QPixmap&) *background );
+    p->setPen( QColor( 40, 235, 40 ) );
+
+    int x = frameWidth() + 2; // compensate for graph display element border
+    int y = 0;
+
+    ValueList::ConstIterator it;
+    for ( it = values->begin(); it != values->end(); ++it )
+    {
+        y = frameWidth() + background->height() -3 - ( ( *(it)*(background->height()-4 ) /max ) );
+        p->drawPoint( x++, y );
+    }
+}
+
+MGraph::~MGraph()
+{
+    delete background;
+    delete values;
+}
+