125 lines
3.7 KiB
C++
125 lines
3.7 KiB
C++
/******************************************************************************
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* Copyright (C) 2021 Edelhirsch Software GmbH
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* This file may be used under the terms of the 3-clause BSD License
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*****************************************************************************/
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#include "PieChartPainted.h"
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#include <QskAnimator.h>
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#include <QskBox.h>
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#include <QskRgbValue.h>
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#include <QskSetup.h>
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#include <QskSkin.h>
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#include <QskTextLabel.h>
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#include <QskFunctions.h>
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#include <QFontMetricsF>
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#include <QGuiApplication>
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#include <QQuickPaintedItem>
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#include <QQuickWindow>
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QSK_SUBCONTROL( PieChartPainted, Panel )
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namespace
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{
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QColor invertedColor( const QColor& c )
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{
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QColor ret = { 255 - c.red(), 255 - c.green(), 255 - c.blue()};
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return ret;
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}
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}
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// ### There must be an easier way to do this
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class ProgressBarAnimator : public QskAnimator
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{
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public:
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ProgressBarAnimator( PieChartPainted* pieChart, CircularProgressBar* progressBar )
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: m_pieChart( pieChart )
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, m_progressBar( progressBar )
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{
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QQuickWindow* w = static_cast< QQuickWindow* >( qGuiApp->allWindows().at( 0 ) );
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setWindow( w );
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setDuration( 500 );
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setEasingCurve( QEasingCurve::Linear );
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setAutoRepeat( false );
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}
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void setup() override
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{
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m_backgroundColor = m_pieChart->color( PieChartPainted::Panel );
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}
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void advance( qreal value ) override
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{
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const QColor c = m_backgroundColor;
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const QColor c2 = invertedColor( c );
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const QColor newColor = QskRgb::interpolated( c2, c, value );
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m_progressBar->setBackgroundColor( newColor );
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QRadialGradient gradient = m_ringGradient;
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QRadialGradient newGradient = gradient;
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for( const QGradientStop& stop : gradient.stops() )
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{
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QColor c = stop.second;
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QColor c2 = invertedColor( c );
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const QColor newColor = QskRgb::interpolated( c, c2, value );
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newGradient.setColorAt( stop.first, newColor );
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}
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m_progressBar->update();
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}
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private:
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QColor m_backgroundColor;
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QRadialGradient m_ringGradient;
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PieChartPainted* m_pieChart;
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CircularProgressBar* m_progressBar;
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};
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PieChartPainted::PieChartPainted( const QColor& color, const QskGradient& gradient, int progress, int /*value*/, QQuickItem* parent )
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: QskControl( parent )
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, m_color( color )
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, m_gradient( gradient )
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, m_progressBar( new CircularProgressBar( this ) )
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, m_progressLabel( new QskTextLabel( this ) )
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, m_animator( new ProgressBarAnimator( this, m_progressBar ) )
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{
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setAutoLayoutChildren( true );
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setSubcontrolProxy( QskBox::Panel, PieChartPainted::Panel );
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m_progressBar->setGradientHint( CircularProgressBar::Bar, gradient );
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m_progressBar->setValue( progress );
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auto progressText = QString::number( progress ) + " %";
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m_progressLabel->setText( progressText );
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m_progressLabel->setFontRole( QskSkin::SmallFont );
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m_progressLabel->setTextColor( color );
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const QColor c = this->color( Panel );
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m_progressBar->setBackgroundColor( c );
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connect( qskSetup, &QskSetup::skinChanged,
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[this]() { m_animator->start(); } );
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}
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QSizeF PieChartPainted::contentsSizeHint( Qt::SizeHint, const QSizeF& ) const
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{
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return {57, 57};
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}
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void PieChartPainted::updateLayout()
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{
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m_progressBar->update();
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const auto rect = layoutRect();
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QFontMetricsF fm( m_progressLabel->effectiveFont( QskTextLabel::Text ) );
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auto textWidth = qskHorizontalAdvance( fm, m_progressLabel->text() );
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auto posX = rect.width() / 2 - textWidth / 2;
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auto posY = rect.height() / 2 - fm.height() / 2;
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m_progressLabel->setPosition( posX, posY );
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m_progressLabel->setFixedWidth( textWidth );
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}
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