126 lines
3.4 KiB
C++
126 lines
3.4 KiB
C++
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#include "DiagramSkinlet.h"
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#include "Diagram.h"
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#include "nodes/DiagramDataNode.h"
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#include "nodes/DiagramSegmentsNode.h"
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DiagramSkinlet::DiagramSkinlet( QskSkin* skin )
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: QskSkinlet( skin )
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{
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setNodeRoles( { ChartRole, SeparatorRole } );
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}
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DiagramSkinlet::~DiagramSkinlet()
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{
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}
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QRectF DiagramSkinlet::subControlRect(
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const QskSkinnable* skinnable, const QRectF& contentsRect,
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QskAspect::Subcontrol subControl ) const
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{
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if( subControl == Diagram::Chart )
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{
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return contentsRect;
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}
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return Inherited::subControlRect( skinnable, contentsRect, subControl );
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}
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QSGNode* DiagramSkinlet::updateSubNode(
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const QskSkinnable* skinnable, quint8 nodeRole, QSGNode* node ) const
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{
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const auto discharge = static_cast< const Diagram* >( skinnable );
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switch( nodeRole )
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{
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case ChartRole:
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{
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return updateChartNode( discharge, node );
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}
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case SeparatorRole:
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{
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return updateSeparatorNode( discharge, node );
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}
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}
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return nullptr;
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}
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QSGNode* DiagramSkinlet::updateChartNode( const Diagram* distribution, QSGNode* node ) const
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{
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if( node == nullptr )
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{
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node = new IdlChartNode;
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}
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using Q = Diagram;
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const QRectF rect = distribution->subControlRect( Q::Chart );
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const QVector<QPointF> dataPoints = distribution->dataPoints();
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const qreal yMax = distribution->yMax();
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const Qsk::Position position = distribution->chartPosition();
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int lineWidth = distribution->metric( Diagram::ChartLine | QskAspect::Size );
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QVector<Diagram::Type> types = {Diagram::Line, Diagram::Area};
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int nodeIndex = 0;
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for( int i = 0; i < types.size(); ++i )
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{
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if( distribution->types() & types.at( i ) )
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{
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IdlChartNode* lineNode;
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if( node->childCount() > nodeIndex )
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{
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lineNode = static_cast<IdlChartNode*>( node->childAtIndex( nodeIndex ) );
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}
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else
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{
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lineNode = new IdlChartNode;
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node->appendChildNode( lineNode );
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}
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const IdlChartNode::Type nodeType = ( types.at( i ) == Diagram::Line ) ? IdlChartNode::Line : IdlChartNode::Area;
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const QColor color = ( types.at( i ) == Diagram::Line ) ? distribution->color( Q::ChartLine )
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: distribution->color( Q::ChartArea );
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lineNode->update( rect, nodeType, color, dataPoints, yMax, position, lineWidth );
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nodeIndex++;
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}
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}
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while( nodeIndex < node->childCount() )
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{
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node->removeChildNode( node->childAtIndex( nodeIndex++ ) );
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}
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return node;
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}
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QSGNode* DiagramSkinlet::updateSeparatorNode( const Diagram* discharge, QSGNode* node ) const
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{
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const int xGridLines = discharge->xGridLines();
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if( xGridLines <= 0 )
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{
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return nullptr;
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}
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auto* separatorNode = static_cast<IdlChartSegmentsNode*>( node );
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if( separatorNode == nullptr )
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{
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separatorNode = new IdlChartSegmentsNode;
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}
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using Q = Diagram;
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const QRectF rect = discharge->subControlRect( Q::Chart );
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const QColor color = discharge->color( Q::Segments );
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const QVector<QPointF> dataPoints = discharge->dataPoints();
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separatorNode->update( rect, color, dataPoints, xGridLines );
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return separatorNode;
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}
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#include "moc_DiagramSkinlet.cpp"
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