/****************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd. ** Contact: http://www.qt.io/licensing/ ** ** This file is part of the Qt Charts module. ** ** $QT_BEGIN_LICENSE:COMM$ ** ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see http://www.qt.io/terms-conditions. For further ** information use the contact form at http://www.qt.io/contact-us. ** ** $QT_END_LICENSE$ ** ******************************************************************************/ #include "drilldownchart.h" #include "drilldownslice.h" QT_CHARTS_USE_NAMESPACE DrilldownChart::DrilldownChart(QGraphicsItem *parent, Qt::WindowFlags wFlags) : QChart(QChart::ChartTypeCartesian, parent, wFlags), m_currentSeries(0) { } DrilldownChart::~DrilldownChart() { } void DrilldownChart::changeSeries(QAbstractSeries *series) { // NOTE: if the series is owned by the chart it will be deleted // here the "window" owns the series... if (m_currentSeries) removeSeries(m_currentSeries); m_currentSeries = series; addSeries(series); setTitle(series->name()); } void DrilldownChart::handleSliceClicked(QPieSlice *slice) { DrilldownSlice *drilldownSlice = static_cast(slice); changeSeries(drilldownSlice->drilldownSeries()); } #include "moc_drilldownchart.cpp"