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, 76 insertions, 0 deletions

diff --git a/src/electronics/components/ecresistor.cpp b/src/electronics/components/ecresistor.cpp
new file mode 100644
index 0000000..e4ee7a3
--- /dev/null
+++ b/src/electronics/components/ecresistor.cpp
@@ -0,0 +1,76 @@
+/***************************************************************************
+ *   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 "ecresistor.h"
+
+#include "libraryitem.h"
+#include "resistance.h"
+
+#include <klocale.h>
+#include <qpainter.h>
+
+Item* ECResistor::construct( ItemDocument *itemDocument, bool newItem, const char *id )
+{
+	return new ECResistor( (ICNDocument*)itemDocument, newItem, id );
+}
+
+LibraryItem* ECResistor::libraryItem()
+{
+	return new LibraryItem(
+		"ec/resistor",
+		i18n("Resistor"),
+		i18n("Discrete"),
+		"resistor.png",
+		LibraryItem::lit_component,
+		ECResistor::construct );
+}
+
+ECResistor::ECResistor( ICNDocument *icnDocument, bool newItem, const char *id )
+	: Component( icnDocument, newItem, id ? id : "resistor" )
+{
+	m_name = i18n("Resistor");
+	m_desc = i18n("Limits the flow of current, obeying Ohms Law");
+	setSize( -16, -8, 32, 16 );
+	
+	init1PinLeft();
+	init1PinRight();
+	m_resistance = createResistance( m_pPNode[0], m_pNNode[0], 1. );
+	
+	createProperty( "resistance", Variant::Type::Double );
+	property("resistance")->setCaption( i18n("Resistance") );
+	property("resistance")->setUnit( QChar(0x3a9) );
+	property("resistance")->setValue(1e4);
+	property("resistance")->setMinValue(1e-6);
+	
+	addDisplayText( "res", QRect( -16, -22, 32, 12 ), "", false );
+}
+
+ECResistor::~ECResistor()
+{
+}
+
+void ECResistor::dataChanged()
+{
+	double resistance = dataDouble("resistance");
+	
+	QString display = QString::number( resistance / getMultiplier(resistance), 'g', 3 ) + getNumberMag(resistance) + QChar(0x3a9);
+	setDisplayText( "res", display );
+	
+	m_resistance->setResistance(resistance);
+}
+
+void ECResistor::drawShape( QPainter &p )
+{
+	initPainter(p);
+	p.drawRect( (int)x()-16, (int)y()-6, width(), 12 );
+	deinitPainter(p);
+}
+
+