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Diffstat (limited to 'src/electronics/components/ecresistor.cpp')
-rw-r--r-- | src/electronics/components/ecresistor.cpp | 76 |
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 * + * [email protected] * + * * + * 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); +} + + |