diff options
Diffstat (limited to 'src/datavisualization/data/barrenderitem_p.h')
-rw-r--r-- | src/datavisualization/data/barrenderitem_p.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/datavisualization/data/barrenderitem_p.h b/src/datavisualization/data/barrenderitem_p.h new file mode 100644 index 00000000..6cd2b0fa --- /dev/null +++ b/src/datavisualization/data/barrenderitem_p.h @@ -0,0 +1,89 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization 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 BARRENDERITEM_P_H +#define BARRENDERITEM_P_H + +#include "abstractrenderitem_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Bars3DRenderer; + +class BarRenderItem : public AbstractRenderItem +{ +public: + BarRenderItem(); + BarRenderItem(const BarRenderItem &other); + virtual ~BarRenderItem(); + + // Position relative to data window (for bar label generation) + inline void setPosition(const QPoint &pos) { m_position = pos; } + inline const QPoint &position() const { return m_position; } + + // Actual cached data value of the bar (needed to trigger label reformats) + inline void setValue(qreal value); + inline qreal value() const { return m_value; } + + // Normalized bar height + inline void setHeight(GLfloat height) { m_height = height; } + inline GLfloat height() const { return m_height; } + + // Label item for formatted label + LabelItem &sliceLabelItem(); + + // Formatted label for item. + void setSliceLabel(const QString &label); + QString &sliceLabel(); // Formats label if not previously formatted + +protected: + qreal m_value; + QPoint m_position; // x = row, y = column + GLfloat m_height; + QString m_sliceLabel; + LabelItem *m_sliceLabelItem; + + friend class QBarDataItem; +}; + +void BarRenderItem::setValue(qreal value) +{ + m_value = value; + // Force reformatting on next access by setting label string to null string + if (!m_sliceLabel.isNull()) + setSliceLabel(QString()); + if (!m_selectionLabel.isNull()) + setSelectionLabel(QString()); +} + +typedef QVector<BarRenderItem> BarRenderItemRow; +typedef QVector<BarRenderItemRow> BarRenderItemArray; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif |