|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2014 Digia Plc
|
|
|
** All rights reserved.
|
|
|
** For any questions to Digia, please use contact form at http://qt.io
|
|
|
**
|
|
|
** This file is part of the Qt Charts module.
|
|
|
**
|
|
|
** Licensees holding valid commercial license for Qt may use this file in
|
|
|
** accordance with the Qt 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.io
|
|
|
**
|
|
|
****************************************************************************/
|
|
|
|
|
|
// W A R N I N G
|
|
|
// -------------
|
|
|
//
|
|
|
// This file is not part of the Qt Enterprise 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 CHARTAXISELEMENT_H
|
|
|
#define CHARTAXISELEMENT_H
|
|
|
|
|
|
#include <QtCharts/QChartGlobal>
|
|
|
#include <private/chartelement_p.h>
|
|
|
#include <private/axisanimation_p.h>
|
|
|
#include <QtWidgets/QGraphicsItem>
|
|
|
#include <QtWidgets/QGraphicsLayoutItem>
|
|
|
#include <QtGui/QFont>
|
|
|
|
|
|
QT_CHARTS_BEGIN_NAMESPACE
|
|
|
|
|
|
class ChartPresenter;
|
|
|
class QAbstractAxis;
|
|
|
|
|
|
class ChartAxisElement : public ChartElement, public QGraphicsLayoutItem
|
|
|
{
|
|
|
Q_OBJECT
|
|
|
|
|
|
using QGraphicsLayoutItem::setGeometry;
|
|
|
public:
|
|
|
ChartAxisElement(QAbstractAxis *axis, QGraphicsItem *item, bool intervalAxis = false);
|
|
|
~ChartAxisElement();
|
|
|
|
|
|
virtual QRectF gridGeometry() const = 0;
|
|
|
virtual void setGeometry(const QRectF &axis, const QRectF &grid) = 0;
|
|
|
virtual bool isEmpty() = 0;
|
|
|
|
|
|
void setAnimation(AxisAnimation *animation) { m_animation = animation; }
|
|
|
AxisAnimation *animation() const { return m_animation; }
|
|
|
|
|
|
QAbstractAxis *axis() const { return m_axis; }
|
|
|
void setLayout(QVector<qreal> &layout) { m_layout = layout; }
|
|
|
QVector<qreal> &layout() { return m_layout; } // Modifiable reference
|
|
|
inline qreal labelPadding() const { return qreal(4.0); }
|
|
|
inline qreal titlePadding() const { return qreal(2.0); }
|
|
|
void setLabels(const QStringList &labels) { m_labelsList = labels; }
|
|
|
QStringList labels() const { return m_labelsList; }
|
|
|
|
|
|
qreal min() const;
|
|
|
qreal max() const;
|
|
|
|
|
|
QRectF axisGeometry() const { return m_axisRect; }
|
|
|
void setAxisGeometry(const QRectF &axisGeometry) { m_axisRect = axisGeometry; }
|
|
|
|
|
|
void axisSelected();
|
|
|
|
|
|
//this flag indicates that axis is used to show intervals it means labels are in between ticks
|
|
|
bool intervalAxis() const { return m_intervalAxis; }
|
|
|
|
|
|
QStringList createValueLabels(qreal max, qreal min, int ticks, const QString &format) const;
|
|
|
QStringList createLogValueLabels(qreal min, qreal max, qreal base, int ticks,
|
|
|
const QString &format) const;
|
|
|
QStringList createDateTimeLabels(qreal max, qreal min, int ticks, const QString &format) const;
|
|
|
|
|
|
// from QGraphicsLayoutItem
|
|
|
QRectF boundingRect() const
|
|
|
{
|
|
|
return QRectF();
|
|
|
}
|
|
|
|
|
|
// from QGraphicsLayoutItem
|
|
|
void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*)
|
|
|
{
|
|
|
}
|
|
|
|
|
|
protected:
|
|
|
virtual QVector<qreal> calculateLayout() const = 0;
|
|
|
virtual void updateLayout(QVector<qreal> &layout) = 0;
|
|
|
|
|
|
QList<QGraphicsItem *> gridItems() { return m_grid->childItems(); }
|
|
|
QList<QGraphicsItem *> labelItems() { return m_labels->childItems(); }
|
|
|
QList<QGraphicsItem *> shadeItems() { return m_shades->childItems(); }
|
|
|
QList<QGraphicsItem *> arrowItems() { return m_arrow->childItems(); }
|
|
|
QGraphicsTextItem *titleItem() const { return m_title.data(); }
|
|
|
QGraphicsItemGroup *gridGroup() { return m_grid.data(); }
|
|
|
QGraphicsItemGroup *labelGroup() { return m_labels.data(); }
|
|
|
QGraphicsItemGroup *shadeGroup() { return m_shades.data(); }
|
|
|
QGraphicsItemGroup *arrowGroup() { return m_arrow.data(); }
|
|
|
|
|
|
public Q_SLOTS:
|
|
|
void handleVisibleChanged(bool visible);
|
|
|
void handleArrowVisibleChanged(bool visible);
|
|
|
void handleGridVisibleChanged(bool visible);
|
|
|
void handleLabelsVisibleChanged(bool visible);
|
|
|
void handleShadesVisibleChanged(bool visible);
|
|
|
void handleLabelsAngleChanged(int angle);
|
|
|
virtual void handleShadesBrushChanged(const QBrush &brush) = 0;
|
|
|
virtual void handleShadesPenChanged(const QPen &pen) = 0;
|
|
|
virtual void handleArrowPenChanged(const QPen &pen) = 0;
|
|
|
virtual void handleGridPenChanged(const QPen &pen) = 0;
|
|
|
void handleLabelsBrushChanged(const QBrush &brush);
|
|
|
void handleLabelsFontChanged(const QFont &font);
|
|
|
void handleTitleBrushChanged(const QBrush &brush);
|
|
|
void handleTitleFontChanged(const QFont &font);
|
|
|
void handleTitleTextChanged(const QString &title);
|
|
|
void handleTitleVisibleChanged(bool visible);
|
|
|
void handleRangeChanged(qreal min, qreal max);
|
|
|
|
|
|
Q_SIGNALS:
|
|
|
void clicked();
|
|
|
|
|
|
private:
|
|
|
void connectSlots();
|
|
|
QString formatLabel(const QString &formatSpec, const QByteArray &array,
|
|
|
qreal value, int precision, const QString &preStr,
|
|
|
const QString &postStr) const;
|
|
|
|
|
|
QAbstractAxis *m_axis;
|
|
|
AxisAnimation *m_animation;
|
|
|
QVector<qreal> m_layout;
|
|
|
QStringList m_labelsList;
|
|
|
QRectF m_axisRect;
|
|
|
QScopedPointer<QGraphicsItemGroup> m_grid;
|
|
|
QScopedPointer<QGraphicsItemGroup> m_arrow;
|
|
|
QScopedPointer<QGraphicsItemGroup> m_shades;
|
|
|
QScopedPointer<QGraphicsItemGroup> m_labels;
|
|
|
QScopedPointer<QGraphicsTextItem> m_title;
|
|
|
bool m_intervalAxis;
|
|
|
};
|
|
|
|
|
|
QT_CHARTS_END_NAMESPACE
|
|
|
|
|
|
#endif /* CHARTAXISELEMENT_H */
|
|
|
|
