void DiagramSettings::Private::changeBackgroundColor()
{
if ( m_chart && m_chart->coordinatePlane() && m_chart->coordinatePlane()->diagram() )
{
BackgroundAttributes bat = m_chart->coordinatePlane()->backgroundAttributes();
bat.setVisible( true );
ui->visibleBtn->setChecked( true );
if ( ui->color->isChecked() )
{
QBrush setBrush = bat.brush();
const QColor color = QColorDialog::getColor( setBrush.color(), qq, tr( "Choose new color" ) );
if ( !color.isValid() )
return;
bat.setBrush( color );
QPalette palette = ui->diagramBackground->palette();
palette.setBrush( QPalette::Button, color );
ui->diagramBackground->setPalette( palette );
}
else if ( ui->textureBtn->isChecked() )
{
//QBrush setBrush = m_chart->coordinatePlane()->diagram()->brush( index );
QImage texture;
const QString filename = QFileDialog::getOpenFileName( qq, tr( "Choose Texture" ), QString(), tr( "Images (*.png *.xpm *.jpg)" ) );
if ( filename.isEmpty() )
return;
texture = QImage( filename );
bat.setBrush( texture );
QPalette palette = ui->diagramBackground->palette();
palette.setBrush( QPalette::Button, QBrush( texture ) );
ui->diagramBackground->setPalette( palette );
}
else
{
QBrush setBrush = bat.brush();
QGradient grad;
QLinearGradient lGrad;
lGrad.setColorAt( 0, Qt::black );
lGrad.setColorAt( 1, setBrush.color() );
grad = lGrad;
if ( setBrush.gradient() )
grad = *setBrush.gradient();
const QGradient &color = GradientDialog::getGradient( grad, qq, tr( "Choose new color" ) );
bat.setBrush( color );
QPalette palette = ui->diagramBackground->palette();
palette.setBrush( QPalette::Button, QBrush( color ) );
ui->diagramBackground->setPalette( palette );
}
bat.setVisible( true );
m_chart->coordinatePlane()->setBackgroundAttributes( bat );
qq->update();
}
}
void DiagramSettings::Private::changeBackgroundVisibility()
{
if ( m_chart && m_chart->coordinatePlane() && m_chart->coordinatePlane()->diagram() )
{
BackgroundAttributes bat = m_chart->coordinatePlane()->backgroundAttributes();
bat.setVisible( ui->visibleBtn->checkState() == Qt::Checked );
m_chart->coordinatePlane()->setBackgroundAttributes( bat );
m_chart->update();
}
}
void markPeak(Plotter* p, const QModelIndex& peak, quint64 cost, const KColorScheme& scheme)
{
QBrush brush = p->model()->data(peak, DatasetBrushRole).value<QBrush>();
QColor outline = brush.color();
QColor foreground = scheme.foreground().color();
QBrush background = scheme.background();
DataValueAttributes dataAttributes = p->dataValueAttributes(peak);
dataAttributes.setDataLabel(prettyCost(cost));
dataAttributes.setVisible(true);
dataAttributes.setShowRepetitiveDataLabels(true);
dataAttributes.setShowOverlappingDataLabels(false);
FrameAttributes frameAttrs = dataAttributes.frameAttributes();
QPen framePen(outline);
framePen.setWidth(2);
frameAttrs.setPen(framePen);
frameAttrs.setVisible(true);
dataAttributes.setFrameAttributes(frameAttrs);
MarkerAttributes a = dataAttributes.markerAttributes();
a.setMarkerSize(QSizeF(7, 7));
a.setPen(outline);
a.setMarkerStyle(KChart::MarkerAttributes::MarkerDiamond);
a.setVisible(true);
dataAttributes.setMarkerAttributes(a);
TextAttributes txtAttrs = dataAttributes.textAttributes();
txtAttrs.setPen(foreground);
txtAttrs.setFontSize(Measure(12));
dataAttributes.setTextAttributes(txtAttrs);
BackgroundAttributes bkgAtt = dataAttributes.backgroundAttributes();
bkgAtt.setBrush(background);
bkgAtt.setVisible(true);
dataAttributes.setBackgroundAttributes(bkgAtt);
p->setDataValueAttributes(peak, dataAttributes);
}
MainWindow::MainWindow( QWidget* parent ) :
QWidget( parent )
{
setupUi( this );
QHBoxLayout* chartLayout = new QHBoxLayout( chartFrame );
m_chart = new Chart();
chartLayout->addWidget( m_chart );
m_model.loadFromCSV( ":/data" );
// Set up the diagram
m_bars = new BarDiagram();
m_bars->setModel( &m_model );
// define custom color for the borders of the bars
QPen pen( m_bars->pen() );
pen.setColor( Qt::black );
pen.setWidth( 0 );
m_bars->setPen( pen );
m_chart->coordinatePlane()->replaceDiagram( m_bars );
// define custom colours for the bars
QList<QColor> bcolor;
bcolor.append(Qt::darkGreen);
bcolor.append(Qt::green);
bcolor.append(Qt::darkRed);
bcolor.append(Qt::red);
for (int row=0; row < m_model.columnCount(); ++row) {
m_bars->setBrush(row, QBrush(bcolor[row]));
}
// Configure the plane's Background
BackgroundAttributes pba;
//pba.setBrush( QBrush(QColor(0x20,0x20,0x60)) );
pba.setVisible( true );
m_chart->coordinatePlane()->setBackgroundAttributes( pba );
m_chart->setGlobalLeadingTop( 20 );
}