legendlayout_p.h
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CLexer
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r2845 | /****************************************************************************** | ||
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r1535 | ** | ||
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r2845 | ** Copyright (C) 2015 The Qt Company Ltd. | ||
** Contact: http://www.qt.io/licensing/ | ||||
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r1535 | ** | ||
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r2740 | ** This file is part of the Qt Charts module. | ||
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r1535 | ** | ||
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r2845 | ** $QT_BEGIN_LICENSE:COMM$ | ||
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r1535 | ** | ||
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r2845 | ** 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. | ||||
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r1535 | ** | ||
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r2845 | ** $QT_END_LICENSE$ | ||
** | ||||
******************************************************************************/ | ||||
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r1535 | |||
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r2435 | // W A R N I N G | ||
// ------------- | ||||
// | ||||
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r2807 | // This file is not part of the Qt Chart API. It exists purely as an | ||
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r2435 | // implementation detail. This header file may change from version to | ||
// version without notice, or even be removed. | ||||
// | ||||
// We mean it. | ||||
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r1935 | #ifndef LEGENDLAYOUT_H | ||
#define LEGENDLAYOUT_H | ||||
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r2714 | #include <QtWidgets/QGraphicsLayout> | ||
#include <QtCharts/QChartGlobal> | ||||
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r1534 | |||
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r2712 | QT_CHARTS_BEGIN_NAMESPACE | ||
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r1534 | |||
class QLegend; | ||||
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r2617 | class LegendMarkerItem; | ||
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r1534 | |||
class LegendLayout : public QGraphicsLayout | ||||
{ | ||||
public: | ||||
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r2104 | LegendLayout(QLegend *legend); | ||
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r1534 | virtual ~LegendLayout(); | ||
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r2104 | void setGeometry(const QRectF &rect); | ||
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r1534 | |||
void setOffset(qreal x, qreal y); | ||||
QPointF offset() const; | ||||
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r2088 | void invalidate(); | ||
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r1534 | protected: | ||
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r2104 | QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const; | ||
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r1534 | int count() const { return 0; } | ||
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r2104 | QGraphicsLayoutItem *itemAt(int) const { return 0; }; | ||
void removeAt(int) {}; | ||||
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r1534 | |||
private: | ||||
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r2104 | void setAttachedGeometry(const QRectF &rect); | ||
void setDettachedGeometry(const QRectF &rect); | ||||
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r1534 | |||
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r2617 | struct LegendWidthStruct { | ||
LegendMarkerItem *item; | ||||
qreal width; | ||||
}; | ||||
static bool widthLongerThan(const LegendWidthStruct *item1, | ||||
const LegendWidthStruct *item2); | ||||
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r1534 | private: | ||
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r2104 | QLegend *m_legend; | ||
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r1534 | qreal m_offsetX; | ||
qreal m_offsetY; | ||||
qreal m_minOffsetX; | ||||
qreal m_minOffsetY; | ||||
qreal m_maxOffsetX; | ||||
qreal m_maxOffsetY; | ||||
qreal m_width; | ||||
qreal m_height; | ||||
}; | ||||
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r2712 | QT_CHARTS_END_NAMESPACE | ||
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r1534 | |||
#endif | ||||