Added KDE3 version of ktechlab

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/ktechlab@1095338 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 94 insertions, 0 deletions

diff --git a/src/electronics/components/eccurrentsource.cpp b/src/electronics/components/eccurrentsource.cpp
new file mode 100644
index 0000000..76ecf3e
--- /dev/null
+++ b/src/electronics/components/eccurrentsource.cpp
@@ -0,0 +1,94 @@
+/***************************************************************************
+ *   Copyright (C) 2003 by David Saxton                                    *
+ *   david@bluehaze.org                                                    *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ ***************************************************************************/
+
+
+#include "currentsource.h"
+#include "eccurrentsource.h"
+#include "ecnode.h"
+#include "libraryitem.h"
+#include "pin.h"
+
+#include <klocale.h>
+#include <qpainter.h>
+
+Item* ECCurrentSource::construct( ItemDocument *itemDocument, bool newItem, const char *id )
+{
+	return new ECCurrentSource( (ICNDocument*)itemDocument, newItem, id );
+}
+
+LibraryItem* ECCurrentSource::libraryItem()
+{
+	return new LibraryItem(
+		QString::QString("ec/current_source"),
+		i18n("Current Source"),
+		i18n("Sources"),
+		"current_source.png",
+		LibraryItem::lit_component,
+		ECCurrentSource::construct );
+}
+
+ECCurrentSource::ECCurrentSource( ICNDocument *icnDocument, bool newItem, const char *id )
+	: Component( icnDocument, newItem, (id) ? id : "current_source" )
+{
+	m_name = i18n("Current Source");
+	m_desc = i18n("Provides a fixed current source.");
+	setSize( -16, -8, 24, 24 );
+
+	init1PinLeft(8);
+	init1PinRight(8);
+	m_pNNode[0]->pin()->setGroundType( Pin::gt_low );
+	
+	m_currentSource = createCurrentSource( m_pNNode[0], m_pPNode[0], 0. );
+	
+	createProperty( "current", Variant::Type::Double );
+	property("current")->setCaption( i18n("Current") );
+	property("current")->setUnit("A");
+	property("current")->setMinValue(-1e12);
+	property("current")->setMaxValue(1e12);
+	property("current")->setValue(0.02);
+	
+	addDisplayText("current", QRect( -16, -16, 24, 0 ), "" );
+}
+
+
+ECCurrentSource::~ECCurrentSource()
+{
+}
+
+void ECCurrentSource::dataChanged()
+{
+	double current = dataDouble("current");
+	m_currentSource->setCurrent(current);
+	
+	QString display = QString::number( current / getMultiplier(current), 'g', 3 ) + getNumberMag(current) + "A";
+	setDisplayText("current", display );
+}
+
+void ECCurrentSource::drawShape( QPainter &p )
+{
+	initPainter(p);
+	
+	int _x = (int)x()-16;
+	int _y = (int)y()-24;
+	
+	// Top arrow indicating current direction
+	p.drawLine( _x+width(), _y+19, _x, _y+19 );
+	p.drawLine( _x+width(), _y+19, _x+width()-3, _y+16 );
+	p.drawLine( _x+width(), _y+19, _x+width()-3, _y+22 );
+	
+	// Double circules
+	p.drawEllipse( _x, _y+24, 16, 16 );
+	p.drawEllipse( _x+8, _y+24, 16, 16 );
+	
+	deinitPainter(p);
+}
+
+
+