chartaxiselement_p.h
151 lines
| 5.4 KiB
| text/x-c
|
CLexer
Miikka Heikkinen
|
r2483 | /**************************************************************************** | ||
| ** | ||||
| ** 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 Qt Commercial Charts Add-on. | ||||
| ** | ||||
| ** $QT_BEGIN_LICENSE$ | ||||
| ** Licensees holding valid Qt Commercial licenses may use this file in | ||||
| ** accordance with the Qt Commercial 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 | ||||
| ** $QT_END_LICENSE$ | ||||
| ** | ||||
| ****************************************************************************/ | ||||
| // W A R N I N G | ||||
| // ------------- | ||||
| // | ||||
| // This file is not part of the QtCommercial 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 "qchartglobal.h" | ||||
| #include "chartelement_p.h" | ||||
| #include "axisanimation_p.h" | ||||
| #include <QGraphicsItem> | ||||
| #include <QGraphicsLayoutItem> | ||||
| #include <QFont> | ||||
| QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
| class ChartPresenter; | ||||
| class QAbstractAxis; | ||||
| class ChartAxisElement : public ChartElement, public QGraphicsLayoutItem | ||||
| { | ||||
| Q_OBJECT | ||||
| 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 | ||||
| int labelPadding() const { return 5; } | ||||
| int titlePadding() const { return 3; } | ||||
| 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; } | ||||
| QRect labelBoundingRect(const QFontMetrics &fn, const QString &label) const; | ||||
| 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; } | ||||
| static QStringList createValueLabels(qreal max, qreal min, int ticks, const QString &format); | ||||
| static QStringList createLogValueLabels(qreal min, qreal max, qreal base, int ticks, const QString &format); | ||||
| static QStringList createDateTimeLabels(qreal max, qreal min, int ticks, const QString &format); | ||||
| // 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(); } | ||||
| QGraphicsSimpleTextItem *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 handleLabelsPenChanged(const QPen &pen); | ||||
| void handleLabelsBrushChanged(const QBrush &brush); | ||||
| void handleLabelsFontChanged(const QFont &font); | ||||
| void handleTitlePenChanged(const QPen &pen); | ||||
| 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(); | ||||
| 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<QGraphicsSimpleTextItem> m_title; | ||||
| bool m_intervalAxis; | ||||
| }; | ||||
| QTCOMMERCIALCHART_END_NAMESPACE | ||||
| #endif /* CHARTAXISELEMENT_H */ | ||||