MainWindow::MainWindow( QWidget* parent ) : QWidget( parent ) { setupUi( this ); QHBoxLayout* chartLayout = new QHBoxLayout( chartFrame ); m_chart = new KDChart::Chart; chartLayout->addWidget( m_chart ); hSBar->setVisible( false ); vSBar->setVisible( false ); m_model.loadFromCSV( ":/data" ); // Set up the diagram m_lines = new KDChart::LineDiagram(); m_lines->setModel( &m_model ); KDChart::CartesianAxis *xAxis = new KDChart::CartesianAxis( m_lines ); KDChart::TextAttributes ta( xAxis->textAttributes() ); AdjustedCartesianAxis *yAxis = new AdjustedCartesianAxis( m_lines ); yAxis->setBounds( 3, 6 ); xAxis->setPosition ( KDChart::CartesianAxis::Bottom ); yAxis->setPosition ( KDChart::CartesianAxis::Left ); /* // set the following to 0 to have only one of the axes with background #if 1 // colourize the axes' backgrounds KDChart::BackgroundAttributes ba = yAxis->backgroundAttributes(); ba.setVisible( true ); ba.setBrush( QBrush( QColor( 0xff, 0xff, 0x40 ) ) ); yAxis->setBackgroundAttributes( ba ); xAxis->setBackgroundAttributes( ba ); #else // colourize the Ordinate axis' background QLinearGradient linearGrad( QPointF( 0, 100 ), QPointF( 0, 400 ) ); linearGrad.setColorAt( 0.0, QColor( 0xff, 0xff, 0xc0 ) ); linearGrad.setColorAt( 1.0, QColor( 0xa0, 0xc0, 0xff ) ); ba = yAxis->backgroundAttributes(); ba.setVisible( true ); ba.setBrush( linearGrad ); yAxis->setBackgroundAttributes( ba ); #endif */ // add 1 pixel space at the left and at the top edge, because the // axis area would otherwise overwrite the left/top borders m_chart->setGlobalLeading( 1, 1, 0, 0 ); // set the following to 0, to see the default Abscissa labels (== X headers, as read from the data file) #if 1 QStringList daysOfWeek; daysOfWeek << "Monday" << "Tuesday" << "Wednesday" << "Thursday" << "Friday" << "Saturday" << "Sunday"; xAxis->setLabels( daysOfWeek ); //QStringList shortDays; //shortDays << "Mon" << "Tue" << "Wed" << "Thu" << "Fri" << "Sat" << "Sun"; //xAxis->setShortLabels( shortDays ); #endif // Use HTML for drawing the text in the axis labels. #if 0 QStringList htmlStyles; htmlStyles << "<b>Bold</b>" << "<i>Italic</i>" << "<u>Underline</u>" << "<font color='red'>Red</font>"; xAxis->setLabels( htmlStyles ); ta.setTextDocument(new QTextDocument); #endif // set custom axis labels at custom positions #if 0 QMap< qreal, QString > annotations; annotations[ 0.5 ] = "Left"; annotations[ 3.5 ] = "Center"; annotations[ 4.2 ] = "After Center"; annotations[ 6.5 ] = "Right"; xAxis->setAnnotations(annotations); #endif // Illustration of custom ticks QList<qreal> ticks; ticks.append( 0.5 ); ticks.append( 3.5 ); ticks.append( 4.2 ); ticks.append( 6.5 ); xAxis->setCustomTicks(ticks); yAxis->setCustomTicks(ticks); // rotate abscissa labels by -60 degrees: ta.setRotation( -60 ); xAxis->setTextAttributes( ta ); m_lines->addAxis( xAxis ); m_lines->addAxis( yAxis ); m_chart->coordinatePlane()->replaceDiagram( m_lines ); // Set up the legend xAxis->setCustomTickLength( 11 ); yAxis->setCustomTickLength( 11 ); m_legend = new KDChart::Legend( m_lines, m_chart ); m_legend->setPosition( KDChart::Position::East ); m_legend->setAlignment( Qt::AlignTop ); m_chart->addLegend( m_legend ); }