| 1 | // Copyright (C) 2024 The Qt Company Ltd. |
|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
|---|
| 3 | |
|---|
| 4 | // W A R N I N G |
|---|
| 5 | // ------------- |
|---|
| 6 | // |
|---|
| 7 | // This file is not part of the QtGraphs API. It exists purely as an |
|---|
| 8 | // implementation detail. This header file may change from version to |
|---|
| 9 | // version without notice, or even be removed. |
|---|
| 10 | // |
|---|
| 11 | // We mean it. |
|---|
| 12 | #ifndef QPIEMODELMAPPER_P_H |
|---|
| 13 | #define QPIEMODELMAPPER_P_H |
|---|
| 14 | #include <QtGraphs/qpiemodelmapper.h> |
|---|
| 15 | #include <private/qobject_p.h> |
|---|
| 16 | |
|---|
| 17 | QT_BEGIN_NAMESPACE |
|---|
| 18 | |
|---|
| 19 | class QPieSlice; |
|---|
| 20 | class QPieSeries; |
|---|
| 21 | class QAbstractItemModel; |
|---|
| 22 | |
|---|
| 23 | class QPieModelMapperPrivate : public QObjectPrivate |
|---|
| 24 | { |
|---|
| 25 | Q_DECLARE_PUBLIC(QPieModelMapper) |
|---|
| 26 | |
|---|
| 27 | public: |
|---|
| 28 | explicit QPieModelMapperPrivate(); |
|---|
| 29 | ~QPieModelMapperPrivate() override; |
|---|
| 30 | |
|---|
| 31 | void onSliceLabelChanged(const QPieSlice *slice); |
|---|
| 32 | void onSliceValueChanged(const QPieSlice *slice); |
|---|
| 33 | public Q_SLOTS: |
|---|
| 34 | // for the model |
|---|
| 35 | void onModelUpdated(QModelIndex topLeft, QModelIndex bottomRight); |
|---|
| 36 | void onModelRowsAdded(QModelIndex parent, qsizetype start, qsizetype end); |
|---|
| 37 | void onModelRowsRemoved(QModelIndex parent, qsizetype start, qsizetype end); |
|---|
| 38 | void onModelColumnsAdded(QModelIndex parent, qsizetype start, qsizetype end); |
|---|
| 39 | void onModelColumnsRemoved(QModelIndex parent, qsizetype start, qsizetype end); |
|---|
| 40 | void handleModelDestroyed(); |
|---|
| 41 | |
|---|
| 42 | // for the series |
|---|
| 43 | void onSlicesAdded(const QList<QPieSlice *> &slices); |
|---|
| 44 | void onSlicesRemoved(const QList<QPieSlice *> &slices); |
|---|
| 45 | void handleSeriesDestroyed(); |
|---|
| 46 | |
|---|
| 47 | void initializePieFromModel(); |
|---|
| 48 | |
|---|
| 49 | private: |
|---|
| 50 | QPieSlice *pieSlice(QModelIndex index) const; |
|---|
| 51 | bool isLabelIndex(QModelIndex index) const; |
|---|
| 52 | bool isValueIndex(QModelIndex index) const; |
|---|
| 53 | QModelIndex valueModelIndex(qsizetype sliceIndex); |
|---|
| 54 | QModelIndex labelModelIndex(qsizetype sliceIndex); |
|---|
| 55 | void insertData(qsizetype start, qsizetype end); |
|---|
| 56 | void removeData(qsizetype start, qsizetype end); |
|---|
| 57 | |
|---|
| 58 | void blockModelSignals(bool block = true); |
|---|
| 59 | void blockSeriesSignals(bool block = true); |
|---|
| 60 | |
|---|
| 61 | private: |
|---|
| 62 | QPieSeries *m_series = nullptr; |
|---|
| 63 | QList<QPieSlice *> m_slices; |
|---|
| 64 | QAbstractItemModel *m_model = nullptr; |
|---|
| 65 | qsizetype m_first = 0; |
|---|
| 66 | qsizetype m_count = -1; |
|---|
| 67 | Qt::Orientation m_orientation = Qt::Vertical; |
|---|
| 68 | qsizetype m_valuesSection = -1; |
|---|
| 69 | qsizetype m_labelsSection = -1; |
|---|
| 70 | bool m_seriesSignalsBlock = false; |
|---|
| 71 | bool m_modelSignalsBlock = false; |
|---|
| 72 | |
|---|
| 73 | Q_DISABLE_COPY_MOVE(QPieModelMapperPrivate) |
|---|
| 74 | }; |
|---|
| 75 | |
|---|
| 76 | QT_END_NAMESPACE |
|---|
| 77 | |
|---|
| 78 | #endif // QPIEMODELMAPPER_P_H |
|---|
| 79 | |
|---|
