113 lines
3.9 KiB
C++
113 lines
3.9 KiB
C++
/****************************************************************************
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**
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** Copyright 2021 Edelhirsch Software GmbH. All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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**
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of the copyright holder nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**
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****************************************************************************/
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#include "PieChartSkinlet.h"
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#include "PieChart.h"
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#include <QskBoxNode.h>
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#include <QskBoxShapeMetrics.h>
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#include <QskBoxBorderMetrics.h>
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#include <QskBoxBorderColors.h>
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PieChartSkinlet::PieChartSkinlet( QskSkin* skin ) : QskSkinlet( skin )
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{
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setNodeRoles( { PanelRole, LabelsRole } );
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}
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QRectF PieChartSkinlet::subControlRect( const QskSkinnable*, const QRectF& contentsRect, QskAspect::Subcontrol ) const
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{
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return contentsRect;
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}
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QSGNode* PieChartSkinlet::updateSubNode( const QskSkinnable* skinnable, quint8 nodeRole, QSGNode* node ) const
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{
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const auto pieChart = static_cast< const PieChart* >( skinnable );
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switch( nodeRole )
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{
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case PanelRole:
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return updatePanelNode( pieChart, node );
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case LabelsRole:
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return updateLabelsNode( pieChart, node );
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default:
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return nullptr;
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}
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}
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QSGNode* PieChartSkinlet::updatePanelNode( const PieChart* pieChart, QSGNode* node ) const
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{
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auto boxNode = static_cast< QskBoxNode* >( node );
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if( boxNode == nullptr )
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{
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boxNode = new QskBoxNode;
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}
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auto panelRect = subControlRect( pieChart, pieChart->contentsRect(), PieChart::Panel );
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// ### when displaying a legend we might want to revise this
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if( panelRect.width() > panelRect.height() )
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{
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panelRect.setWidth( panelRect.height() );
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}
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else if( panelRect.width() < panelRect.height() )
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{
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panelRect.setHeight( panelRect.width() );
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}
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const qreal radius = panelRect.width() / 2;
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QskBoxShapeMetrics shapeMetrics( radius, radius, radius, radius );
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QskBoxBorderMetrics borderMetrics = pieChart->boxBorderMetricsHint( PieChart::Panel );
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QskBoxBorderColors borderColors = pieChart->boxBorderColorsHint( PieChart::Panel );
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QskGradient gradient = pieChart->gradientHint( PieChart::Panel );
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boxNode->setBoxData( panelRect, shapeMetrics, borderMetrics, borderColors, gradient );
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return boxNode;
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}
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QSGNode* PieChartSkinlet::updateLabelsNode( const PieChart* pieChart, QSGNode* /*node*/ ) const
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{
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const int labelsCount = pieChart->labels().count();
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if( labelsCount < 1 )
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{
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return nullptr;
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}
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return nullptr;
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}
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#include "moc_PieChartSkinlet.cpp"
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