| /**************************************************************************** |
| ** |
| ** 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. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt Chart API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| |
| #ifndef QPIEMODELMAPPER_P_H |
| #define QPIEMODELMAPPER_P_H |
| |
| #include <QtCore/QObject> |
| #include <QtCharts/QPieModelMapper> |
| #include <QtCharts/private/qchartglobal_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| class QModelIndex; |
| QT_END_NAMESPACE |
| |
| QT_CHARTS_BEGIN_NAMESPACE |
| |
| class QPieSlice; |
| |
| class Q_CHARTS_PRIVATE_EXPORT QPieModelMapperPrivate : public QObject |
| { |
| Q_OBJECT |
| |
| public: |
| explicit QPieModelMapperPrivate(QPieModelMapper *q); |
| |
| public Q_SLOTS: |
| // for the model |
| void modelUpdated(QModelIndex topLeft, QModelIndex bottomRight); |
| void modelRowsAdded(QModelIndex parent, int start, int end); |
| void modelRowsRemoved(QModelIndex parent, int start, int end); |
| void modelColumnsAdded(QModelIndex parent, int start, int end); |
| void modelColumnsRemoved(QModelIndex parent, int start, int end); |
| void handleModelDestroyed(); |
| |
| // for the series |
| void slicesAdded(QList<QPieSlice *> slices); |
| void slicesRemoved(QList<QPieSlice *> slices); |
| void sliceLabelChanged(); |
| void sliceValueChanged(); |
| void handleSeriesDestroyed(); |
| |
| void initializePieFromModel(); |
| |
| private: |
| QPieSlice *pieSlice(QModelIndex index) const; |
| bool isLabelIndex(QModelIndex index) const; |
| bool isValueIndex(QModelIndex index) const; |
| QModelIndex valueModelIndex(int slicePos); |
| QModelIndex labelModelIndex(int slicePos); |
| void insertData(int start, int end); |
| void removeData(int start, int end); |
| |
| void blockModelSignals(bool block = true); |
| void blockSeriesSignals(bool block = true); |
| |
| private: |
| QPieSeries *m_series; |
| QList<QPieSlice *> m_slices; |
| QAbstractItemModel *m_model; |
| int m_first; |
| int m_count; |
| Qt::Orientation m_orientation; |
| int m_valuesSection; |
| int m_labelsSection; |
| bool m_seriesSignalsBlock; |
| bool m_modelSignalsBlock; |
| |
| private: |
| |
| QPieModelMapper *q_ptr; |
| Q_DECLARE_PUBLIC(QPieModelMapper) |
| }; |
| |
| QT_CHARTS_END_NAMESPACE |
| |
| #endif // QPIEMODELMAPPER_P_H |