summaryrefslogtreecommitdiffstats
path: root/src/flowparts/flowpart.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/flowparts/flowpart.cpp')
-rw-r--r--src/flowparts/flowpart.cpp977
1 files changed, 977 insertions, 0 deletions
diff --git a/src/flowparts/flowpart.cpp b/src/flowparts/flowpart.cpp
new file mode 100644
index 0000000..e12213c
--- /dev/null
+++ b/src/flowparts/flowpart.cpp
@@ -0,0 +1,977 @@
+/***************************************************************************
+ * Copyright (C) 2003-2005 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 "connector.h"
+#include "flowcodedocument.h"
+#include "flowcode.h"
+#include "flowpart.h"
+#include "fpnode.h"
+#include "itemdocument.h"
+#include "itemdocumentdata.h"
+#include "microsettings.h"
+#include "micropackage.h"
+#include "picinfo.h"
+#include "pinmapping.h"
+#include "variant.h"
+
+#include <kdebug.h>
+
+#include <qbitarray.h>
+#include <qbitmap.h>
+#include <qpainter.h>
+#include <qpixmap.h>
+#include <qregexp.h>
+
+#include <assert.h>
+#include <algorithm>
+#include <cmath>
+
+// The following arrays of numbers represent the positions of nodes in different configurations,
+// with the numbers as NodeInfo::Position.
+
+Node::node_dir diamondNodePositioning[8][3] = {
+ {Node::dir_up, Node::dir_down, Node::dir_right},
+ {Node::dir_up, Node::dir_down, Node::dir_left},
+ {Node::dir_up, Node::dir_right,Node::dir_down},
+ {Node::dir_up, Node::dir_right,Node::dir_left},
+ {Node::dir_left,Node::dir_right,Node::dir_down},
+ {Node::dir_left,Node::dir_right,Node::dir_up},
+ {Node::dir_left,Node::dir_down, Node::dir_right},
+ {Node::dir_left,Node::dir_down, Node::dir_up} };
+
+Node::node_dir inOutNodePositioning[8][2] = {
+ {Node::dir_up,Node::dir_down},
+ {Node::dir_up,Node::dir_right},
+ {Node::dir_up,Node::dir_left},
+ {Node::dir_right,Node::dir_right}, // (invalid)
+ {Node::dir_left,Node::dir_right},
+ {Node::dir_left,Node::dir_down},
+ {Node::dir_left,Node::dir_up},
+ {Node::dir_right,Node::dir_right} }; // (invalid)
+
+Node::node_dir inNodePositioning[4] = {Node::dir_up,Node::dir_right,Node::dir_down,Node::dir_left};
+
+Node::node_dir outNodePositioning[4] = {Node::dir_down,Node::dir_left,Node::dir_up,Node::dir_right};
+
+FlowPart::FlowPart( ICNDocument *icnDocument, bool newItem, const QString &id )
+ : CNItem( icnDocument, newItem, id )
+{
+ icnDocument->registerItem(this);
+ m_pFlowCodeDocument = dynamic_cast<FlowCodeDocument*>(icnDocument);
+ assert( m_pFlowCodeDocument );
+
+ m_flowSymbol = FlowPart::ps_other;
+ m_orientation = 0;
+ m_stdInput = 0l;
+ m_stdOutput = 0l;
+ m_altOutput = 0l;
+
+ connect( m_pFlowCodeDocument, SIGNAL(picTypeChanged()), this, SLOT(slotUpdateFlowPartVariables()) );
+ connect( m_pFlowCodeDocument, SIGNAL(pinMappingsChanged()), this, SLOT(slotUpdateFlowPartVariables()) );
+}
+
+
+FlowPart::~FlowPart()
+{
+ // We have to check view, as if the item is deleted before the CNItem constructor
+ // is called, then there will be no view
+ if (m_pFlowCodeDocument)
+ {
+ const VariantDataMap::iterator end = m_variantData.end();
+ for ( VariantDataMap::iterator it = m_variantData.begin(); it != end; ++it )
+ {
+ Variant *v = it.data();
+ if (v)
+ m_pFlowCodeDocument->varNameChanged( "", v->value().toString() );
+ }
+ }
+}
+
+
+void FlowPart::setCaption( const QString &caption )
+{
+ if ( m_flowSymbol == FlowPart::ps_other )
+ {
+ m_caption = caption;
+ return;
+ }
+
+ QWidget *w = new QWidget();
+ QPainter p(w);
+ p.setFont( font() );
+ const int text_width = p.boundingRect( boundingRect(), (Qt::SingleLine | Qt::AlignHCenter | Qt::AlignVCenter), caption ).width();
+ p.end();
+ delete w;
+ int width = std::max( ((int)(text_width/16))*16, 48 );
+
+ switch(m_flowSymbol)
+ {
+ case FlowPart::ps_call:
+ {
+ width += 48;
+ break;
+ }
+ case FlowPart::ps_io:
+ case FlowPart::ps_round:
+ {
+ width += 32;
+ break;
+ }
+ case FlowPart::ps_decision:
+ {
+ width += 64;
+ break;
+ }
+ case FlowPart::ps_process:
+ default:
+ {
+ width += 32;
+ break;
+ }
+ }
+
+ bool hasSideConnectors = m_flowSymbol == FlowPart::ps_decision;
+ if ( hasSideConnectors && (width != this->width()) )
+ p_icnDocument->requestRerouteInvalidatedConnectors();
+
+ initSymbol( m_flowSymbol, width );
+ m_caption = caption;
+}
+void FlowPart::postResize()
+{
+ updateNodePositions();
+ CNItem::postResize();
+}
+
+void FlowPart::createStdInput()
+{
+ m_stdInput = (FPNode*)createNode( 0, 0, Node::dir_up, "stdinput", Node::fp_in );
+ updateNodePositions();
+}
+void FlowPart::createStdOutput()
+{
+ m_stdOutput = (FPNode*)createNode( 0, 0, Node::dir_down, "stdoutput", Node::fp_out );
+ updateNodePositions();
+}
+void FlowPart::createAltOutput()
+{
+ m_altOutput = (FPNode*)createNode( 0, 0, Node::dir_right, "altoutput", Node::fp_out );
+ updateNodePositions();
+}
+
+void FlowPart::initSymbol( FlowPart::FlowSymbol symbol, int width )
+{
+ m_flowSymbol = symbol;
+
+ switch(symbol)
+ {
+ case FlowPart::ps_other:
+ {
+ return;
+ }
+ case FlowPart::ps_call:
+ case FlowPart::ps_process:
+ {
+ setItemPoints( QRect( -width/2, -16, width, 24 ) );
+ break;
+ }
+
+ case FlowPart::ps_io:
+ {
+ // define parallelogram shape
+ QPointArray pa(4);
+ pa[0] = QPoint( -(width-10)/2, -16 );
+ pa[1] = QPoint( width/2, -16 );
+ pa[2] = QPoint( (width-10)/2, 8 );
+ pa[3] = QPoint( -width/2, 8 );
+ setItemPoints(pa);
+ break;
+ }
+
+ case FlowPart::ps_round:
+ {
+ // define rounded rectangles as two semicricles with RP_NUM/2 points with gap inbetween
+ // These points are not used for drawing; merely for passing to qcanvaspolygonitem for collision detection
+ // If there is a better way for a rounder rectangle + collision detection, please let me know...
+
+ int halfHeight = 12;
+
+ // Draw semicircle
+ double x;
+ const int RP_NUM = 48;
+ QPointArray pa(RP_NUM);
+ int point = 0;
+ for ( double y = -1.0; y <= 1.0; y+= 4.0/(RP_NUM-2) )
+ {
+ x = sqrt(1-y*y)*halfHeight;
+ pa[point] = QPoint( (int)(width+x)-halfHeight, (int)(halfHeight*y) );
+ pa[RP_NUM-1-point] = QPoint ( (int)(halfHeight-x), (int)(halfHeight*y) );
+ point++;
+ }
+
+ pa.translate( -width/2, 4 );
+ setItemPoints(pa);
+ break;
+ }
+
+ case FlowPart::ps_decision:
+ {
+ // define rhombus
+ QPointArray pa(6);
+ pa[0] = QPoint( 0, -24 );
+ pa[1] = QPoint( width/2, -6 );
+ pa[2] = QPoint( width/2, 6 );
+ pa[3] = QPoint( 0, 24 );
+ pa[4] = QPoint( -width/2, 6 );
+ pa[5] = QPoint( -width/2, -6 );
+ setItemPoints(pa);
+ break;
+ }
+ default: kdError() << k_funcinfo << "Unknown flowSymbol: "<<symbol<<endl;
+ }
+}
+
+void FlowPart::drawShape( QPainter &p )
+{
+ initPainter(p);
+
+ const double _x = int( x() + offsetX() );
+ const double _y = int( y() + offsetY() );
+ const double w = width();
+ double h = height();
+
+ switch (m_flowSymbol)
+ {
+ case FlowPart::ps_other:
+ {
+ CNItem::drawShape(p);
+ break;
+ }
+
+ case FlowPart::ps_io:
+ {
+ h--;
+ double roundSize = 8;
+ double slantIndent = 5;
+
+ const double pi = 3.1415926536;
+ const double DPR = 180./pi;
+// CNItem::drawShape(p);
+ double inner = std::atan(h/slantIndent);
+ double outer = pi-inner;
+
+ int inner16 = int(16*inner*DPR);
+ int outer16 = int(16*outer*DPR);
+
+ p.save();
+ p.setPen( Qt::NoPen );
+ p.drawPolygon( areaPoints() );
+ p.restore();
+
+ p.drawLine( int(_x+slantIndent+roundSize/2), int(_y), int(_x+w-roundSize/2), int(_y) );
+ p.drawLine( int(_x-slantIndent+w-roundSize/2), int(_y+h), int(_x+roundSize/2), int(_y+h) );
+ p.drawLine( int(_x+w+(std::sin(outer)-1)*(roundSize/2)), int(_y+(1-std::cos(outer))*(roundSize/2)),
+ int(_x+w-slantIndent+(std::sin(inner)-1)*(roundSize/2)), int(_y+h+(std::cos(inner)-1)*(roundSize/2)) );
+ p.drawLine( int(_x+(1-std::sin(outer))*(roundSize/2)), int(_y+h+(std::cos(outer)-1)*(roundSize/2)),
+ int(_x+slantIndent+(1-std::sin(inner))*(roundSize/2)), int(_y+(1-std::cos(inner))*(roundSize/2)) );
+
+ p.drawArc( int(_x+slantIndent), int(_y), int(roundSize), int(roundSize), 90*16, inner16 );
+ p.drawArc( int(_x+w-roundSize), int(_y), int(roundSize), int(roundSize), 270*16+inner16, outer16 );
+ p.drawArc( int(_x-slantIndent+w-roundSize), int(_y+h-roundSize), int(roundSize), int(roundSize), 270*16, inner16 );
+ p.drawArc( int(_x), int(_y+h-roundSize), int(roundSize), int(roundSize), 90*16+inner16, outer16) ;
+ break;
+ }
+
+ case FlowPart::ps_decision:
+ {
+ // TODO Make the shape nice and pretty with rounded corners
+ CNItem::drawShape(p);
+ break;
+ }
+
+ case FlowPart::ps_call:
+ {
+ p.drawRoundRect( int(_x), int(_y), int(w), int(h+1), int(1000./w), int(1000./h) );
+ p.drawLine( int(_x+8), int(_y), int(_x+8), int(_y+h) );
+ p.drawLine( int(_x+w-8), int(_y), int(_x+w-8), int(_y+h) );
+ break;
+ }
+ case FlowPart::ps_process:
+ {
+ p.drawRoundRect( int(_x), int(_y), int(w), int(h+1), int(1000./w), int(1000./h) );
+ break;
+ }
+
+ case FlowPart::ps_round:
+ {
+ p.drawRoundRect( int(_x), int(_y), int(w), int(h+1), 30, 100 );
+ break;
+ }
+ }
+
+ p.setPen( Qt::black );
+ p.setFont( font() );
+ p.drawText( boundingRect(), (Qt::WordBreak | Qt::AlignHCenter | Qt::AlignVCenter), m_caption );
+}
+
+QString FlowPart::gotoCode( const QString& internalNodeId )
+{
+ FlowPart *end = outputPart(internalNodeId);
+ if (!end) return "";
+ return "goto "+end->id();
+}
+
+FlowPart* FlowPart::outputPart( const QString& internalNodeId )
+{
+ Node *node = p_icnDocument->nodeWithID( nodeId(internalNodeId) );
+
+ FPNode *fpnode = dynamic_cast<FPNode*>(node);
+ if ( !fpnode || fpnode->type() == Node::fp_in )
+ return 0l;
+
+ return fpnode->outputFlowPart();
+}
+
+FlowPartList FlowPart::inputParts( const QString& id )
+{
+ Node *node = p_icnDocument->nodeWithID(id);
+
+ if ( FPNode *fpNode = dynamic_cast<FPNode*>(node) )
+ return fpNode->inputFlowParts();
+
+ return FlowPartList();
+}
+
+FlowPartList FlowPart::inputParts()
+{
+ FlowPartList list;
+
+ const NodeMap::iterator nEnd = m_nodeMap.end();
+ for ( NodeMap::iterator it = m_nodeMap.begin(); it != nEnd; ++it )
+ {
+ Node *node = p_icnDocument->nodeWithID( it.data().id );
+ FlowPartList newList;
+
+ if ( FPNode *fpNode = dynamic_cast<FPNode*>(node) )
+ newList = fpNode->inputFlowParts();
+
+ const FlowPartList::iterator nlEnd = newList.end();
+ for ( FlowPartList::iterator it = newList.begin(); it != nlEnd; ++it )
+ {
+ if (*it) list.append(*it);
+ }
+ }
+
+ return list;
+}
+
+FlowPartList FlowPart::outputParts()
+{
+ FlowPartList list;
+
+ const NodeMap::iterator end = m_nodeMap.end();
+ for ( NodeMap::iterator it = m_nodeMap.begin(); it != end; ++it )
+ {
+ FlowPart *part = outputPart( it.key() );
+ if (part) list.append(part);
+ }
+
+ return list;
+}
+
+
+FlowPart* FlowPart::endPart( QStringList ids, FlowPartList *previousParts )
+{
+ if ( ids.empty() )
+ {
+ const NodeMap::iterator end = m_nodeMap.end();
+ for ( NodeMap::iterator it = m_nodeMap.begin(); it != end; ++it )
+ {
+ ids.append( it.key() );
+ }
+ filterEndPartIDs( &ids );
+ }
+
+ const bool createdList = (!previousParts);
+ if (createdList) {
+ previousParts = new FlowPartList;
+ } else if ( previousParts->contains(this) ) {
+ return 0l;
+ }
+ previousParts->append(this);
+
+ if ( ids.empty() ) {
+ return 0l;
+ }
+ if ( ids.size() == 1 ) {
+ return outputPart( *(ids.begin()) );
+ }
+
+ typedef QValueList<FlowPartList> ValidPartsList;
+ ValidPartsList validPartsList;
+
+ const QStringList::iterator idsEnd = ids.end();
+ for ( QStringList::iterator it = ids.begin(); it != idsEnd; ++it )
+ {
+ int prevLevel = level();
+ FlowPartList validParts;
+ FlowPart *part = outputPart(*it);
+ while (part)
+ {
+ if ( !validParts.contains(part) )
+ {
+ validParts.append(part);
+// if ( part->level() >= level() ) {
+ const int _l = part->level();
+ part = part->endPart( QStringList(), previousParts );
+ prevLevel = _l;
+// } else {
+// part = 0l;
+// }
+ }
+ else {
+ part = 0l;
+ }
+ }
+ if ( !validParts.empty() ) {
+ validPartsList.append(validParts);
+ }
+ }
+
+ if (createdList)
+ {
+ delete previousParts;
+ previousParts = 0l;
+ }
+
+ if ( validPartsList.empty() ) return 0l;
+
+ FlowPartList firstList = *(validPartsList.begin());
+ const FlowPartList::iterator flEnd = firstList.end();
+ const ValidPartsList::iterator vplEnd = validPartsList.end();
+ for ( FlowPartList::iterator it = firstList.begin(); it != flEnd; ++it )
+ {
+ bool ok = true;
+ for ( ValidPartsList::iterator vplit = validPartsList.begin(); vplit != vplEnd; ++vplit )
+ {
+ if ( !(*vplit).contains(*it) ) ok = false;
+ }
+ if (ok) return *it;
+ }
+
+ return 0l;
+}
+
+
+void FlowPart::handleIfElse( FlowCode *code, const QString &case1Statement, const QString &case2Statement,
+ const QString &case1, const QString &case2 )
+{
+ if (!code) return;
+
+ FlowPart *stop = 0l;
+ FlowPart *part1 = outputPart(case1);
+ FlowPart *part2 = outputPart(case2);
+
+ if ( part1 && part2 ) stop = endPart( QStringList::split( ',', case1+","+case2 ) );
+
+ if ( (!part1 && !part2) || (part1 == stop && part2 == stop) ) return;
+
+ code->addStopPart(stop);
+
+ if ( part1 && part1 != stop && code->isValidBranch(part1) )
+ {
+ // Use the case1 statement
+ code->addCode( "if "+case1Statement+" then "+"\n{" );
+ code->addCodeBranch(part1);
+ code->addCode("}");
+
+ if ( part2 && part2 != stop && code->isValidBranch(part2) )
+ {
+ code->addCode( "else\n{" );
+ code->addCodeBranch(part2);
+ code->addCode("}");
+ }
+ }
+ else if ( code->isValidBranch(part2) )
+ {
+ // Use the case2 statement
+ code->addCode( "if "+case2Statement+" then "+"\n{" );
+ code->addCodeBranch(part2);
+ code->addCode("}");
+ }
+
+ code->removeStopPart(stop);
+ code->addCodeBranch(stop);
+}
+
+
+Variant * FlowPart::createProperty( const QString & id, Variant::Type::Value type )
+{
+ if ( type != Variant::Type::Port
+ && type != Variant::Type::Pin
+ && type != Variant::Type::VarName
+ && type != Variant::Type::SevenSegment
+ && type != Variant::Type::KeyPad )
+ return CNItem::createProperty( id, type );
+
+ Variant * v = createProperty( id, Variant::Type::String );
+ v->setType(type);
+
+ if ( type == Variant::Type::VarName )
+ {
+ if ( MicroSettings * settings = m_pFlowCodeDocument->microSettings() )
+ v->setAllowed( settings->variableNames() );
+ connect( property(id), SIGNAL(valueChanged(QVariant, QVariant )), this, SLOT(varNameChanged(QVariant, QVariant )) );
+ }
+ else
+ slotUpdateFlowPartVariables();
+
+ return v;
+}
+
+
+void FlowPart::slotUpdateFlowPartVariables()
+{
+ if (!m_pFlowCodeDocument)
+ return;
+
+ MicroSettings *s = m_pFlowCodeDocument->microSettings();
+ if (!s)
+ return;
+
+ const PinMappingMap pinMappings = s->pinMappings();
+ QStringList sevenSegMaps;
+ QStringList keyPadMaps;
+ PinMappingMap::const_iterator pEnd = pinMappings.end();
+ for ( PinMappingMap::const_iterator it = pinMappings.begin(); it != pEnd; ++it )
+ {
+ switch ( it.data().type() )
+ {
+ case PinMapping::SevenSegment:
+ sevenSegMaps << it.key();
+ break;
+
+ case PinMapping::Keypad_4x3:
+ case PinMapping::Keypad_4x4:
+ keyPadMaps << it.key();
+ break;
+
+ case PinMapping::Invalid:
+ break;
+ }
+ }
+
+ QStringList ports = s->microInfo()->package()->portNames();
+ ports.sort();
+
+ QStringList pins = s->microInfo()->package()->pinIDs(PicPin::type_bidir | PicPin::type_input | PicPin::type_open);
+ pins.sort();
+
+ const VariantDataMap::iterator vEnd = m_variantData.end();
+ for ( VariantDataMap::iterator it = m_variantData.begin(); it != vEnd; ++it )
+ {
+ Variant * v = it.data();
+ if ( !v )
+ continue;
+
+ if ( v->type() == Variant::Type::Port )
+ v->setAllowed( ports );
+
+ else if ( v->type() == Variant::Type::Pin )
+ v->setAllowed( pins );
+
+ else if ( v->type() == Variant::Type::SevenSegment )
+ {
+ v->setAllowed( sevenSegMaps );
+ if ( !sevenSegMaps.isEmpty() && !sevenSegMaps.contains( v->value().toString() ) )
+ v->setValue( sevenSegMaps.first() );
+ }
+
+ else if ( v->type() == Variant::Type::KeyPad )
+ {
+ v->setAllowed( keyPadMaps );
+ if ( !keyPadMaps.isEmpty() && !keyPadMaps.contains( v->value().toString() ) )
+ v->setValue( keyPadMaps.first() );
+ }
+ }
+}
+
+
+void FlowPart::updateVarNames()
+{
+ if (!m_pFlowCodeDocument)
+ return;
+
+ MicroSettings *s = m_pFlowCodeDocument->microSettings();
+ if (!s)
+ return;
+
+ const QStringList names = s->variableNames();
+ const VariantDataMap::iterator end = m_variantData.end();
+ for ( VariantDataMap::iterator it = m_variantData.begin(); it != end; ++it )
+ {
+ Variant *v = it.data();
+ if ( v && v->type() == Variant::Type::VarName )
+ v->setAllowed(names);
+ }
+}
+
+
+void FlowPart::varNameChanged( QVariant newValue, QVariant oldValue )
+{
+ if (!m_pFlowCodeDocument)
+ return;
+ m_pFlowCodeDocument->varNameChanged( newValue.asString(), oldValue.asString() );
+}
+
+
+inline int nodeDirToPos( Node::node_dir dir )
+{
+ switch (dir)
+ {
+ case Node::dir_right:
+ return 0;
+ case Node::dir_up:
+ return 1;
+ case Node::dir_left:
+ return 2;
+ case Node::dir_down:
+ return 3;
+ }
+ return 0;
+}
+
+
+void FlowPart::updateAttachedPositioning( )
+{
+ if (b_deleted)
+ return;
+
+ //BEGIN Rearrange text if appropriate
+ const QRect textPos[4] = {
+ QRect( offsetX()+width(), 6, 40, 16 ),
+ QRect( 0, offsetY()-16, 40, 16 ),
+ QRect( offsetX()-40, 6, 40, 16 ),
+ QRect( 0, offsetY()+height(), 40, 16 ) };
+
+ NodeInfo * stdOutputInfo = m_stdOutput ? &m_nodeMap["stdoutput"] : 0;
+ NodeInfo * altOutputInfo = m_altOutput ? &m_nodeMap["altoutput"] : 0l;
+
+ Text *outputTrueText = m_textMap.contains("output_true") ? m_textMap["output_true"] : 0l;
+ Text *outputFalseText = m_textMap.contains("output_false") ? m_textMap["output_false"] : 0l;
+
+ if ( stdOutputInfo && outputTrueText )
+ outputTrueText->setOriginalRect( textPos[ nodeDirToPos( (Node::node_dir)stdOutputInfo->orientation ) ] );
+
+ if ( altOutputInfo && outputFalseText )
+ outputFalseText->setOriginalRect( textPos[ nodeDirToPos( (Node::node_dir)altOutputInfo->orientation ) ] );
+
+ const TextMap::iterator textMapEnd = m_textMap.end();
+ for ( TextMap::iterator it = m_textMap.begin(); it != textMapEnd; ++it )
+ {
+ QRect pos = it.data()->recommendedRect();
+ it.data()->move( pos.x() + x(), pos.y() + y() );
+ it.data()->setGuiPartSize( pos.width(), pos.height() );
+ }
+ //END Rearrange text if appropriate
+
+ const NodeMap::iterator end = m_nodeMap.end();
+ for ( NodeMap::iterator it = m_nodeMap.begin(); it != end; ++it )
+ {
+ if ( !it.data().node )
+ {
+ kdError() << k_funcinfo << "Node in nodemap is null" << endl;
+ continue;
+ }
+
+ double nx = it.data().x;
+ double ny = it.data().y;
+
+#define round_8(x) (((x) > 0) ? int(((x)+4)/8)*8 : int(((x)-4)/8)*8)
+ nx = round_8(nx);
+ ny = round_8(ny);
+#undef round_8
+
+ it.data().node->move( int(nx+x()), int(ny+y()) );
+ it.data().node->setOrientation( (Node::node_dir)it.data().orientation );
+ }
+}
+
+
+ItemData FlowPart::itemData( ) const
+{
+ ItemData itemData = CNItem::itemData();
+ itemData.orientation = m_orientation;
+ return itemData;
+}
+
+
+void FlowPart::restoreFromItemData( const ItemData & itemData )
+{
+ CNItem::restoreFromItemData(itemData);
+ if ( itemData.orientation >= 0 )
+ setOrientation( uint(itemData.orientation) );
+}
+
+
+void FlowPart::updateNodePositions()
+{
+ if ( m_orientation > 7 )
+ {
+ kdWarning() << k_funcinfo << "Invalid orientation: "<<m_orientation<<endl;
+ return;
+ }
+
+ NodeInfo * stdInputInfo = m_stdInput ? &m_nodeMap["stdinput"] : 0l;
+ NodeInfo * stdOutputInfo = m_stdOutput ? &m_nodeMap["stdoutput"] : 0;
+ NodeInfo * altOutputInfo = m_altOutput ? &m_nodeMap["altoutput"] : 0l;
+
+ if ( m_stdInput && m_stdOutput && m_altOutput )
+ {
+ stdInputInfo->orientation = diamondNodePositioning[m_orientation][0];
+ stdOutputInfo->orientation = diamondNodePositioning[m_orientation][1];
+ altOutputInfo->orientation = diamondNodePositioning[m_orientation][2];
+ }
+ else if ( m_stdInput && m_stdOutput )
+ {
+ stdInputInfo->orientation = inOutNodePositioning[m_orientation][0];
+ stdOutputInfo->orientation = inOutNodePositioning[m_orientation][1];
+ }
+ else if ( m_orientation < 4 )
+ {
+ if (stdInputInfo)
+ stdInputInfo->orientation = inNodePositioning[m_orientation];
+ else if (stdOutputInfo)
+ stdOutputInfo->orientation = outNodePositioning[m_orientation];
+ }
+ else
+ {
+ kdWarning() << k_funcinfo << "Invalid orientation: "<<m_orientation<<endl;
+ return;
+ }
+
+ const NodeMap::iterator end = m_nodeMap.end();
+ for ( NodeMap::iterator it = m_nodeMap.begin(); it != end; ++it )
+ {
+ if ( !it.data().node )
+ kdError() << k_funcinfo << "Node in nodemap is null" << endl;
+
+ else
+ {
+ switch ( it.data().orientation )
+ {
+ case Node::dir_right:
+ it.data().x = offsetX()+width()+8;
+ it.data().y = 0;
+ break;
+ case Node::dir_up:
+ it.data().x = 0;
+ it.data().y = offsetY()-8;
+ break;
+ case Node::dir_left:
+ it.data().x = offsetX()-8;
+ it.data().y = 0;
+ break;
+ case Node::dir_down:
+ it.data().x = 0;
+ it.data().y = offsetY()+height()+8;;
+ break;
+ }
+ }
+ }
+
+ updateAttachedPositioning();
+}
+
+
+void FlowPart::setOrientation( uint orientation )
+{
+ if ( orientation == m_orientation )
+ return;
+
+ m_orientation = orientation;
+ updateNodePositions();
+ p_icnDocument->requestRerouteInvalidatedConnectors();
+}
+
+
+uint FlowPart::allowedOrientations( ) const
+{
+ // The bit positions shown here represent whether or not that orientation is allowed, the orientation being
+ // what is displayed in the i'th position (0 to 3 on top, 4 to 7 on bottom) of orientation widget
+
+ if ( m_stdInput && m_stdOutput && m_altOutput )
+ return 255;
+
+ if ( m_stdInput && m_stdOutput )
+ return 119;
+
+ if ( m_stdInput || m_stdOutput )
+ return 15;
+
+ return 0;
+}
+
+void FlowPart::orientationPixmap( uint orientation, QPixmap & pm ) const
+{
+ const QSize size = pm.size();
+
+ if ( ! ( allowedOrientations() & ( 1 << orientation ) ) )
+ {
+ kdWarning() << k_funcinfo << "Requesting invalid orientation of " << orientation << endl;
+ return;
+ }
+
+ QBitmap mask( 50, 50 );
+ QPainter maskPainter(&mask);
+ mask.fill( Qt::color0 );
+ maskPainter.setBrush(Qt::color1);
+ maskPainter.setPen(Qt::color1);
+
+ QPainter p(&pm);
+ p.setBrush(m_brushCol);
+ p.setPen( Qt::black );
+
+ // In order: right corner, top corner, left corner, bottom corner
+
+ QPoint c[4] = {
+ QPoint( int(0.7*size.width()), int(0.5*size.height()) ),
+ QPoint( int(0.5*size.width()), int(0.4*size.height()) ),
+ QPoint( int(0.3*size.width()), int(0.5*size.height()) ),
+ QPoint( int(0.5*size.width()), int(0.6*size.height()) ) };
+
+ QPoint d[4];
+ d[0] = c[0] + QPoint( 7, 0 );
+ d[1] = c[1] + QPoint( 0, -7 );
+ d[2] = c[2] + QPoint( -7, 0 );
+ d[3] = c[3] + QPoint( 0, 7 );
+
+ if ( m_stdInput && m_stdOutput && m_altOutput )
+ {
+ //BEGIN Draw diamond outline
+ QPointArray diamond(4);
+ for ( uint i=0; i<4; ++i )
+ diamond[i] = c[i];
+
+ p.drawPolygon(diamond);
+ maskPainter.drawPolygon(diamond);
+ //END Draw diamond outline
+
+
+ //BEGIN Draw input
+ int pos0 = nodeDirToPos( diamondNodePositioning[orientation][0] );
+ p.drawLine( c[pos0], d[pos0] );
+ maskPainter.drawLine( c[pos0], d[pos0] );
+ //END Draw input
+
+
+ //BEGIN Draw "true" output as a tick
+ QPointArray tick(4);
+ tick[0] = QPoint( -3, 0 );
+ tick[1] = QPoint( 0, 2 );
+ tick[2] = QPoint( 0, 2 );
+ tick[3] = QPoint( 4, -2 );
+
+ int pos1 = nodeDirToPos( diamondNodePositioning[orientation][1] );
+ tick.translate( d[pos1].x(), d[pos1].y() );
+ p.drawLineSegments(tick);
+ maskPainter.drawLineSegments(tick);
+ //END Draw "true" output as a tick
+
+
+ //BEGIN Draw "false" output as a cross
+ QPointArray cross(4);
+ cross[0] = QPoint( -2, -2 );
+ cross[1] = QPoint( 2, 2 );
+ cross[2] = QPoint( -2, 2 );
+ cross[3] = QPoint( 2, -2 );
+
+ int pos2 = nodeDirToPos( diamondNodePositioning[orientation][2] );
+ cross.translate( d[pos2].x(), d[pos2].y() );
+ p.drawLineSegments(cross);
+ maskPainter.drawLineSegments(cross);
+ //END Draw "false" output as a cross
+ }
+
+ else if ( m_stdInput || m_stdOutput )
+ {
+ p.drawRoundRect( int(0.3*size.width()), int(0.4*size.height()), int(0.4*size.width()), int(0.2*size.height()) );
+ maskPainter.drawRoundRect( int(0.3*size.width()), int(0.4*size.height()), int(0.4*size.width()), int(0.2*size.height()) );
+
+ int hal = 5; // half arrow length
+ int haw = 3; // half arrow width
+
+ QPoint arrows[4][6] = {
+ { QPoint( hal, 0 ), QPoint( 0, -haw ),
+ QPoint( hal, 0 ), QPoint( -hal, 0 ),
+ QPoint( hal, 0 ), QPoint( 0, haw ) },
+
+ { QPoint( 0, -hal ), QPoint( -haw, 0 ),
+ QPoint( 0, -hal ), QPoint( 0, hal ),
+ QPoint( 0, -hal ), QPoint( haw, 0 ) },
+
+ { QPoint( -hal, 0 ), QPoint( 0, -haw ),
+ QPoint( -hal, 0 ), QPoint( hal, 0 ),
+ QPoint( -hal, 0 ), QPoint( 0, haw ) },
+
+ { QPoint( 0, hal ), QPoint( -haw, 0 ),
+ QPoint( 0, hal ), QPoint( 0, -hal ),
+ QPoint( 0, hal ), QPoint( haw, 0 ) } };
+
+ int inPos = -1;
+ int outPos = -1;
+
+ if ( m_stdInput && m_stdOutput )
+ {
+ inPos = nodeDirToPos( inOutNodePositioning[orientation][0] );
+ outPos = nodeDirToPos( inOutNodePositioning[orientation][1] );
+ }
+ else if ( m_stdInput )
+ {
+ inPos = nodeDirToPos( inNodePositioning[orientation] );
+ }
+ else if ( m_stdOutput )
+ {
+ outPos = nodeDirToPos( outNodePositioning[orientation] );
+ }
+
+ if ( inPos != -1 )
+ {
+ QPointArray inArrow(6);
+ for ( int i=0; i<6; ++i )
+ {
+ inArrow[i] = arrows[(inPos+2)%4][i];
+ }
+ inArrow.translate( d[inPos].x(), d[inPos].y() );
+ p.drawPolygon(inArrow);
+ maskPainter.drawPolygon(inArrow);
+ }
+
+ if ( outPos != -1 )
+ {
+ QPointArray outArrow(6);
+ for ( int i=0; i<6; ++i )
+ {
+ outArrow[i] = arrows[outPos][i];
+ }
+ outArrow.translate( d[outPos].x(), d[outPos].y() );
+ p.drawPolygon(outArrow);
+ maskPainter.drawPolygon(outArrow);
+ }
+ }
+
+ pm.setMask(mask);
+}
+
+
+#include "flowpart.moc"
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-21 13:33:12 +0000