File indexing completed on 2024-06-23 04:17:54

 /**
  * SPDX-FileCopyrightText: 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved.
  *
  * This file is part of the KD Chart library.
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "mainwindow.h"
 
 #include <KChartChart>
 #include <KChartAbstractCoordinatePlane>
 #include <KChartPolarDiagram>
 #include <KChartTextAttributes>
 #include <KChartDataValueAttributes>
 #include <KChartGridAttributes>
 #include <KChartMarkerAttributes>
 #include <KChartLegend>
 
 #include <QDebug>
 #include <QPainter>
 
 using namespace KChart;
 
 MainWindow::MainWindow( QWidget* parent ) :
     QWidget( parent ), m_currentFactor( 0 ), m_currentDirection( 1 ), m_currentSlice( 0 )
 {
     setupUi( this );
 
     // instantiate the KD Chart classes
     initKChartClasses();
 
     // insert the KChart::Chart into Qt's layout
     QHBoxLayout* chartLayout = new QHBoxLayout( chartFrame );
     m_chart->setGlobalLeading( 2,  2,  2,  2 );
     chartLayout->addWidget( m_chart );
 
     // wire up the KD Chart classes
     wireUpKChartClasses();
 
     // initialize the ItemModel and fill in some data
     m_model.insertRows( 0, 40 );
     m_model.insertColumns(  0,  5 );
     setItemModelData();
 }
 
 
 void MainWindow::initKChartClasses()
 {
     m_chart      = new Chart();
     m_diagram    = new PolarDiagram();
     m_polarPlane = new PolarCoordinatePlane();
 }
 
 void MainWindow::wireUpKChartClasses()
 {
     m_chart->replaceCoordinatePlane( m_polarPlane );
     //note: We need to set a valid item model to the diagram,
     //      before we can add it to the coordinate plane.
     m_diagram->setModel( &m_model );
     m_chart->coordinatePlane()->replaceDiagram( m_diagram );
 }
 
 void MainWindow::setItemModelData()
 {
     // For a change we do not read data from a resource file here,
     // but we just fill in the cells manually
     int value = 0;
     for ( int column = 0; column < m_model.columnCount(); ++column ) {
         for ( int row = 0; row < m_model.rowCount(); ++row ) {
             QModelIndex index = m_model.index( row, column );
             m_model.setData( index, QVariant( value++  ) );
         }
     }
 }
 
 
 void MainWindow::on_startPositionSB_valueChanged( double pos )
 {
     const int intValue = static_cast<int>( pos );
     startPositionSL->blockSignals( true );
     startPositionSL->setValue( intValue );
     startPositionSL->blockSignals( false );
     // note: We use the global getter method here, it will fall back
     //       automatically to return the default settings.
     static_cast<PolarCoordinatePlane*>(m_chart->coordinatePlane())->setStartPosition( pos );
     update();
 }
 
 void MainWindow::on_startPositionSL_valueChanged( int pos )
 {
     qreal qrealValue = static_cast<qreal>( pos );
     startPositionSB->blockSignals( true );
     startPositionSB->setValue( qrealValue  );
     startPositionSB->blockSignals( false );
     // note: We use the global getter method here, it will fall back
     //       automatically to return the default settings.
     static_cast<PolarCoordinatePlane*>(m_chart->coordinatePlane())->setStartPosition( pos );
     update();
 }
 
 void MainWindow::on_circularGridCB_toggled( bool toggle )
 {
     GridAttributes attrs( m_polarPlane->gridAttributes( true ) );
     attrs.setGridVisible( toggle );
     m_polarPlane->setGridAttributes( true, attrs );
     update();
 }
 void MainWindow::on_sagittalGridCB_toggled( bool toggle )
 {
     GridAttributes attrs( m_polarPlane->gridAttributes( false ) );
     attrs.setGridVisible( toggle );
     m_polarPlane->setGridAttributes( false, attrs );
     update();
 }
 /* planned for future release:
 void MainWindow::on_circularAxisCB_toggled( bool toggle )
 {
     Q_UNUSED( toggle );
     update();
 }
 void MainWindow::on_sagittalAxisCB_toggled( bool toggle )
 {
     Q_UNUSED( toggle );
     update();
 }
 */