| /**************************************************************************** |
| ** |
| ** 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 |
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| ** 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 ABSTRACTCHARTLAYOUT_H |
| #define ABSTRACTCHARTLAYOUT_H |
| |
| #include <QtWidgets/QGraphicsLayout> |
| #include <QtCore/QMargins> |
| #include <QtCharts/QChartGlobal> |
| #include <QtCharts/private/qchartglobal_p.h> |
| |
| QT_CHARTS_BEGIN_NAMESPACE |
| |
| class ChartTitle; |
| class ChartAxisElement; |
| class ChartPresenter; |
| class QLegend; |
| class ChartBackground; |
| |
| class Q_CHARTS_PRIVATE_EXPORT AbstractChartLayout : public QGraphicsLayout |
| { |
| public: |
| AbstractChartLayout(ChartPresenter *presenter); |
| virtual ~AbstractChartLayout(); |
| |
| virtual void setMargins(const QMargins &margins); |
| virtual QMargins margins() const; |
| virtual void setGeometry(const QRectF &rect); |
| |
| protected: |
| virtual QRectF calculateBackgroundGeometry(const QRectF &geometry, ChartBackground *background, |
| bool update = true) const; |
| virtual QRectF calculateBackgroundMinimum(const QRectF &minimum) const; |
| virtual QRectF calculateContentGeometry(const QRectF &geometry) const; |
| virtual QRectF calculateContentMinimum(const QRectF &minimum) const; |
| virtual QRectF calculateTitleGeometry(const QRectF &geometry, ChartTitle *title, |
| bool update = true) const; |
| virtual QRectF calculateTitleMinimum(const QRectF &minimum, ChartTitle *title) const; |
| virtual QRectF calculateLegendGeometry(const QRectF &geometry, QLegend *legend, |
| bool update = true) const; |
| virtual QRectF calculateLegendMinimum(const QRectF &minimum, QLegend *legend) const; |
| |
| virtual QRectF calculateAxisGeometry(const QRectF &geometry, |
| const QList<ChartAxisElement *>& axes, |
| bool update = true) const = 0; |
| virtual QRectF calculateAxisMinimum(const QRectF &minimum, |
| const QList<ChartAxisElement *>& axes) const = 0; |
| |
| // from QGraphicsLayout |
| QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const; |
| int count() const { return 0; } |
| QGraphicsLayoutItem *itemAt(int) const { return 0; }; |
| void removeAt(int) {}; |
| |
| ChartPresenter *m_presenter; |
| QMargins m_margins; |
| QRectF m_minAxisRect; |
| }; |
| |
| QT_CHARTS_END_NAMESPACE |
| |
| #endif // ABSTRACTCHARTLAYOUT_H |