| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Charts module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** 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 https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| #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<DrilldownSlice *>(slice); |
| changeSeries(drilldownSlice->drilldownSeries()); |
| } |
| |
| #include "moc_drilldownchart.cpp" |