1 files changed, 308 insertions, 0 deletions
diff --git a/src/electronics/components/discretelogic.cpp b/src/electronics/components/discretelogic.cpp
new file mode 100644
index 0000000..e2e284e
--- /dev/null
+++ b/src/electronics/components/discretelogic.cpp
@@ -0,0 +1,308 @@
+/***************************************************************************
+ *   Copyright (C) 2005 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 "canvasitemparts.h"
+#include "discretelogic.h"
+#include "ecnode.h"
+#include "logic.h"
+#include "libraryitem.h"
+#include "simulator.h"
+
+#include <klocale.h>
+#include <qpainter.h>
+
+
+//BEGIN class Inverter
+Item* Inverter::construct( ItemDocument *itemDocument, bool newItem, const char *id )
+{
+	return new Inverter( (ICNDocument*)itemDocument, newItem, id );
+}
+
+LibraryItem* Inverter::libraryItem()
+{
+	QStringList ids;
+	ids << "ec/inverter" << "ec/not";
+	return new LibraryItem(
+		ids,
+		i18n("Inverter"),
+		i18n("Logic"),
+		"not.png",
+		LibraryItem::lit_component,
+		Inverter::construct );
+}
+
+Inverter::Inverter( ICNDocument *icnDocument, bool newItem, const char *id )
+	: Component( icnDocument, newItem, id ? id : "not" )
+{
+	m_name = i18n("Inverter");
+	m_desc = i18n("The output is the logical inverse of the logic-input state.");
+	setSize( -8, -8, 16, 16 );
+
+	init1PinLeft();
+	init1PinRight();
+	
+	m_pIn = createLogicIn(m_pNNode[0]);
+	m_pOut = createLogicOut( m_pPNode[0], true );
+	
+	m_pIn->setCallback( this, (CallbackPtr)(&Inverter::inStateChanged) );
+	inStateChanged(false);
+}
+
+
+Inverter::~Inverter()
+{
+}
+
+
+void Inverter::inStateChanged( bool newState )
+{
+	(static_cast<LogicOut*>(m_pOut))->setHigh( !newState );
+}
+
+
+void Inverter::drawShape( QPainter &p )
+{
+	initPainter(p);
+	int _x = (int)x()-8;
+	int _y = (int)y()-8;
+	QPointArray pa(3);
+	pa[0] = QPoint( _x, _y );
+	pa[1] = QPoint( _x+width()-6, _y+(height()/2) );
+	pa[2] = QPoint( _x, _y+height() );
+	p.drawPolygon(pa);
+	p.drawPolyline(pa);
+	p.drawEllipse( _x+width()-6, _y+(height()/2)-3, 7, 7 );
+	deinitPainter(p);
+}
+//END class Inverter
+
+
+//BEGIN class Buffer
+Item* Buffer::construct( ItemDocument *itemDocument, bool newItem, const char *id )
+{
+	return new Buffer( (ICNDocument*)itemDocument, newItem, id );
+}
+
+LibraryItem* Buffer::libraryItem()
+{
+	return new LibraryItem(
+		QString::QString("ec/buffer"),
+		i18n("Buffer"),
+		i18n("Logic"),
+		"buffer.png",
+		LibraryItem::lit_component,
+		Buffer::construct );
+}
+
+Buffer::Buffer( ICNDocument *icnDocument, bool newItem, const char *id )
+	: Component( icnDocument, newItem, id ? id : "buffer" )
+{
+	m_name = i18n("Buffer");
+	m_desc = i18n("Cleans the logic input, with the output high or low depending on input trigger levels.");
+	setSize( -8, -8, 16, 16 );
+
+	init1PinLeft();
+	init1PinRight();
+	
+	m_pIn = createLogicIn(m_pNNode[0]);
+	m_pOut = createLogicOut( m_pPNode[0], true );
+	
+	m_pIn->setCallback( this, (CallbackPtr)(&Buffer::inStateChanged) );
+	inStateChanged(false);
+}
+
+
+Buffer::~Buffer()
+{
+}
+
+
+void Buffer::inStateChanged( bool newState )
+{
+	m_pOut->setHigh(newState);
+}
+
+
+void Buffer::drawShape( QPainter &p )
+{
+	initPainter(p);
+	int _x = (int)x()-8;
+	int _y = (int)y()-8;
+	QPointArray pa(3);
+	pa[0] = QPoint( _x, _y );
+	pa[1] = QPoint( _x+width(), _y+(height()/2) );
+	pa[2] = QPoint( _x, _y+height() );
+	p.drawPolygon(pa);
+	p.drawPolyline(pa);
+	deinitPainter(p);
+}
+//END class Buffer
+
+
+//BEGIN class ECLogicInput
+Item* ECLogicInput::construct( ItemDocument *itemDocument, bool newItem, const char *id )
+{
+	return new ECLogicInput( (ICNDocument*)itemDocument, newItem, id );
+}
+
+LibraryItem* ECLogicInput::libraryItem()
+{
+	return new LibraryItem(
+		QString::QString("ec/logic_input"),
+		i18n("Logic Input"),
+		i18n("Logic"),
+		"logic_input.png",
+		LibraryItem::lit_component,
+		ECLogicInput::construct );
+}
+
+ECLogicInput::ECLogicInput( ICNDocument *icnDocument, bool newItem, const char *id )
+	: Component( icnDocument, newItem, (id) ? id : "logic_input" )
+{
+	m_name = i18n("Logic Input");
+	m_desc = i18n("Provides a user-adjustable logic state.<br><br>"
+				"Click to pulse high, or drag the mouse off to keep the output high.");
+	setSize( -8, -8, 16, 16 );
+	
+	b_state = false;
+	addButton( "button", QRect( -24, -8, 16, 16 ), "", true );
+	
+	createProperty( "useToggle", Variant::Type::Bool );
+	property("useToggle")->setCaption( i18n("Use Toggle") );
+	property("useToggle")->setValue(true);
+
+	init1PinRight();
+	
+	m_pOut = createLogicOut( m_pPNode[0], false );
+}
+
+
+ECLogicInput::~ECLogicInput()
+{
+}
+
+
+void ECLogicInput::dataChanged()
+{
+	button("button")->setToggle( dataBool("useToggle") );
+}
+
+
+void ECLogicInput::drawShape( QPainter &p )
+{
+	initPainter(p);
+	if (b_state)
+		p.setBrush( QColor( 255, 166, 0 ) );
+	else
+		p.setBrush( Qt::white );
+	p.drawEllipse( (int)x()-4, (int)y()-6, 12, 12 );
+	deinitPainter(p);
+}
+
+
+void ECLogicInput::buttonStateChanged( const QString &, bool state )
+{
+	b_state = state;
+	m_pOut->setHigh(b_state);
+}
+//END class ECLogicInput
+
+
+//BEGIN class ECLogicOutput
+Item* ECLogicOutput::construct( ItemDocument *itemDocument, bool newItem, const char *id )
+{
+	return new ECLogicOutput( (ICNDocument*)itemDocument, newItem, id );
+}
+
+LibraryItem* ECLogicOutput::libraryItem()
+{
+	return new LibraryItem(
+		QString::QString("ec/logic_output"),
+		i18n("Logic Output"),
+		i18n("Logic"),
+		"logic_output.png",
+		LibraryItem::lit_component,
+		ECLogicOutput::construct );
+}
+
+ECLogicOutput::ECLogicOutput( ICNDocument *icnDocument, bool newItem, const char *id )
+	: Component( icnDocument, newItem, (id) ? id : "logic_output" )
+{
+	m_name = i18n("Logic Output");
+	m_desc = i18n("Shows the logic-state of the input.");
+	setSize( -8, -8, 16, 16 );
+	
+	init1PinLeft();
+	m_pIn = createLogicIn(m_pNNode[0]);
+	
+	m_pSimulator = Simulator::self();
+	
+	m_lastDrawState = 0.0;
+	m_lastSwitchTime = m_lastDrawTime = m_pSimulator->time();
+	m_highTime = 0;
+	m_bLastState = false;
+	m_bDynamicContent = true;
+	
+	m_pIn->setCallback( this, (CallbackPtr)(&ECLogicOutput::inStateChanged) );
+}
+
+ECLogicOutput::~ECLogicOutput()
+{
+}
+
+void ECLogicOutput::inStateChanged( bool newState )
+{
+	if ( m_bLastState == newState )
+		return;
+	
+	unsigned long long newTime = m_pSimulator->time();
+	unsigned long long dt = newTime - m_lastSwitchTime;
+	
+	m_lastSwitchTime = newTime;
+	
+	m_bLastState = newState;
+	if (!newState)
+	{
+		// Gone from high to low
+		m_highTime += dt;
+	}
+}
+
+
+void ECLogicOutput::drawShape( QPainter &p )
+{
+	unsigned long long newTime = m_pSimulator->time();
+	unsigned long long runTime = newTime - m_lastDrawTime;
+	m_lastDrawTime = newTime;
+	
+	if (m_bLastState)
+	{
+		// Logic in is currently high
+		m_highTime += newTime - m_lastSwitchTime;
+	}
+	
+	double state;
+	
+	if ( runTime == 0 )
+		state = m_lastDrawState;
+	
+	else
+		state = m_lastDrawState = double(m_highTime)/double(runTime);
+	
+	initPainter(p);
+	p.setBrush( QColor( 255, uint(255-state*(255-166)), uint((1-state)*255) ) );
+	p.drawEllipse( int(x()-8), int(y()-8), width(), height() );
+	deinitPainter(p);
+	
+	m_lastSwitchTime = newTime;
+	m_highTime = 0;
+}
+//END class ECLogicOutput
+