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change hints for progress bars

This commit is contained in:
Peter Hartmann 2020-09-30 16:25:42 +02:00
parent 4a4d7259d4
commit 3ceee7cddb
3 changed files with 33 additions and 7 deletions
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19
examples/iot-dashboard/CircularProgressBar.cpp
View File

@ -7,6 +7,17 @@ CircularProgressBar::CircularProgressBar( const QGradient& gradient, int progres
, m_gradient( gradient ) , m_gradient( gradient )
, m_progress( progress ) , m_progress( progress )
{ {
connect( this, &QQuickPaintedItem::contentsSizeChanged, [this]()
{
auto size = contentsSize();
QRadialGradient ringGradient( size.width() / 2, size.height() / 2, 45 );
QGradientStop stop1( 0.0, "#c0c0c0" );
QGradientStop stop2( 0.5, "#f0f0f0" );
QGradientStop stop3( 1.0, "#c0c0c0" );
ringGradient.setStops( {stop1, stop2, stop3} );
m_ringGradient = ringGradient;
} );
} }
void CircularProgressBar::paint( QPainter* painter ) void CircularProgressBar::paint( QPainter* painter )
@ -16,13 +27,7 @@ void CircularProgressBar::paint( QPainter* painter )
painter->setRenderHint( QPainter::Antialiasing, true ); painter->setRenderHint( QPainter::Antialiasing, true );
QRadialGradient gradient( size.width() / 2, size.height() / 2, 45 ); painter->setBrush( m_ringGradient );
QGradientStop stop1( 0.0, "#c0c0c0" );
QGradientStop stop2( 0.5, "#f0f0f0" );
QGradientStop stop3( 1.0, "#c0c0c0" );
gradient.setStops( {stop1, stop2, stop3} );
painter->setBrush( gradient );
painter->setPen( m_backgroundColor ); painter->setPen( m_backgroundColor );
painter->drawEllipse( outerRect ); painter->drawEllipse( outerRect );

9
examples/iot-dashboard/CircularProgressBar.h
View File

@ -26,11 +26,20 @@ class CircularProgressBar : public QQuickPaintedItem
m_backgroundColor = color; m_backgroundColor = color;
} }
QRadialGradient ringGradient() const
{
return m_ringGradient;
}
void setRingGradient( const QRadialGradient& gradient )
{
m_ringGradient = gradient;
}
private: private:
QGradient m_gradient; QGradient m_gradient;
QColor m_backgroundColor; QColor m_backgroundColor;
QRadialGradient m_ringGradient;
double m_width = 20; double m_width = 20;
int m_progress; int m_progress;
}; };

12
examples/iot-dashboard/PieChartPainted.cpp
View File

@ -33,6 +33,18 @@ PieChartPainted::PieChartPainted( const QColor& color, const QGradient& gradient
{ {
const QColor c = this->color( Panel ); const QColor c = this->color( Panel );
m_progressBar->setBackgroundColor( c ); m_progressBar->setBackgroundColor( c );
QRadialGradient gradient = m_progressBar->ringGradient();
QRadialGradient newGradient = gradient;
for( const QGradientStop& stop : gradient.stops() )
{
QColor s = stop.second;
QColor newColor = { 255 - s.red(), 255 - s.green(), 255 - s.blue()};
newGradient.setColorAt( stop.first, newColor );
}
m_progressBar->setRingGradient( newGradient );
} ); } );
} }