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ktechlab/src/electronics/components/ecfixedvoltage.cpp

78 lines
2.5 KiB

/***************************************************************************
* Copyright (C) 2003-2004 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 "ecfixedvoltage.h"
#include "ecnode.h"
#include "voltagepoint.h"
#include "libraryitem.h"
#include <tdelocale.h>
#include <tqpainter.h>
Item* ECFixedVoltage::construct( ItemDocument *itemDocument, bool newItem, const char *id )
{
return new ECFixedVoltage( (ICNDocument*)itemDocument, newItem, id );
}
LibraryItem* ECFixedVoltage::libraryItem()
{
return new LibraryItem(
"ec/fixed_voltage",
i18n("Fixed Voltage"),
i18n("Sources"),
"voltage.png",
LibraryItem::lit_component,
ECFixedVoltage::construct );
}
ECFixedVoltage::ECFixedVoltage( ICNDocument *icnDocument, bool newItem, const char *id )
: Component( icnDocument, newItem, id ? id : "fixed_voltage" )
{
m_name = i18n("Fixed Voltage");
m_desc = i18n("Provides a fixed voltage point to connect components to.");
setSize( -8, -8, 16, 16 );
init1PinRight();
m_voltagePoint = createVoltagePoint( m_pPNode[0], 5.0 );
addDisplayText( "voltage", TQRect( -24, -20, width()+32, 12 ), "" );
createProperty( "voltage", Variant::Type::Double );
property("voltage")->setUnit("V");
property("voltage")->setCaption( i18n("Voltage") );
property("voltage")->setMinValue(-1e15);
property("voltage")->setMaxValue(1e15);
property("voltage")->setValue(5.0);
}
ECFixedVoltage::~ECFixedVoltage()
{
}
void ECFixedVoltage::dataChanged()
{
const double voltage = dataDouble("voltage");
TQString display = TQString::number( voltage / getMultiplier(voltage), 'g', 3 ) + getNumberMag(voltage) + "V";
setDisplayText( "voltage", display );
m_voltagePoint->setVoltage(voltage);
}
void ECFixedVoltage::drawShape( TQPainter &p )
{
initPainter(p);
int _x = int(x());
int _y = int(y());
p.drawEllipse( _x-4, _y-4, 8, 8 );
p.setPen( m_pPNode[0]->isSelected() ? m_selectedCol : TQt::black );
p.drawLine( _x+4, _y, _x+8, _y );
deinitPainter(p);
}