chartaxis_p.h
201 lines
| 6.2 KiB
| text/x-c
|
CLexer
Jani Honkonen
|
r794 | /**************************************************************************** | ||
| ** | ||||
| ** Copyright (C) 2012 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 | ||||
| ** $QT_END_LICENSE$ | ||||
| ** | ||||
| ****************************************************************************/ | ||||
unknown
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r1366 | // 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. | ||||
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r1241 | #ifndef CHARTAXIS_H | ||
| #define CHARTAXIS_H | ||||
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r67 | |||
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r855 | #include "qchartglobal.h" | ||
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r1736 | #include "chartelement_p.h" | ||
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r1241 | #include "axisanimation_p.h" | ||
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r67 | #include <QGraphicsItem> | ||
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r1965 | #include <QGraphicsLayoutItem> | ||
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r1534 | #include <QFont> | ||
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r67 | |||
| QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
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r1541 | class QAbstractAxis; | ||
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r530 | class ChartPresenter; | ||
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r140 | |||
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r1965 | class ChartAxis : public ChartElement, public QGraphicsLayoutItem | ||
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r67 | { | ||
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r140 | Q_OBJECT | ||
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r1965 | Q_INTERFACES(QGraphicsLayoutItem) | ||
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r67 | public: | ||
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r2273 | ChartAxis(QAbstractAxis *axis, QGraphicsItem* item = 0, bool intervalAxis = false); | ||
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r1006 | ~ChartAxis(); | ||
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r67 | |||
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r2273 | QAbstractAxis* axis() const { return m_axis; } | ||
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r2138 | |||
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r2105 | void setLabelPadding(int padding); | ||
| int labelPadding() const { return m_labelPadding;}; | ||||
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r176 | |||
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r2413 | void setTitlePadding(int padding); | ||
| int titlePadding() const { return m_titlePadding;}; | ||||
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r2153 | QFont titleFont() const; | ||
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r2273 | QString titleText() const; | ||
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r1965 | |||
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r1241 | void setLayout(QVector<qreal> &layout); | ||
| QVector<qreal> layout() const { return m_layoutVector; } | ||||
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r2104 | void setAnimation(AxisAnimation *animation); | ||
| ChartAnimation *animation() const { return m_animation; }; | ||||
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r1241 | |||
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r1965 | Qt::Orientation orientation() const; | ||
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r2105 | Qt::Alignment alignment() const; | ||
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r1534 | |||
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r2105 | void setGeometry(const QRectF &axis, const QRectF &grid); | ||
| QRectF axisGeometry() const { return m_axisRect; } | ||||
| QRectF gridGeometry() const { return m_gridRect; } | ||||
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r2093 | |||
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r2131 | void setLabels(const QStringList &labels); | ||
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r2111 | QStringList labels() const { return m_labelsList; } | ||
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r2118 | //this flag indicates that axis is used to show intervals it means labels are in between ticks | ||
| bool intervalAxis() const { return m_intervalAxis; } | ||||
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r2111 | |||
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r2104 | virtual QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const; | ||
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r1965 | |||
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r2273 | |||
| QRectF boundingRect() const{ | ||||
| return QRectF(); | ||||
| } | ||||
| void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) | ||||
| { | ||||
| } | ||||
| //helpers | ||||
| static QStringList createValueLabels(qreal max, qreal min, int ticks, const QString &format); | ||||
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r2274 | static QStringList createLogValueLabels(qreal min, qreal max, qreal base, int ticks, const QString& format); | ||
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r2273 | static QStringList createDateTimeLabels(qreal max, qreal min, int ticks, const QString &format); | ||
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r1241 | protected: | ||
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r2131 | void setGeometry(const QRectF &size) { Q_UNUSED(size);}; | ||
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r1241 | virtual void updateGeometry() = 0; | ||
| virtual QVector<qreal> calculateLayout() const = 0; | ||||
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r1965 | |||
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r2111 | QList<QGraphicsItem *> lineItems() { 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();}; | ||||
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r2141 | QGraphicsSimpleTextItem* titleItem() const { return m_title.data();} | ||
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r2111 | |||
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r2273 | QFont font() const; | ||
| qreal min() const; | ||||
| qreal max() const; | ||||
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r2412 | QRect labelBoundingRect(const QFontMetrics &fn, const QString &label) const; | ||
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r504 | |||
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r2273 | //handlers | ||
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r775 | public Q_SLOTS: | ||
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r2273 | void handleVisibleChanged(bool visible); | ||
| void handleArrowVisibleChanged(bool visible); | ||||
| void handleGridVisibleChanged(bool visible); | ||||
| void handleLabelsVisibleChanged(bool visible); | ||||
| void handleShadesVisibleChanged(bool visible); | ||||
| void handleLabelsAngleChanged(int angle); | ||||
| void handleShadesBrushChanged(const QBrush &brush); | ||||
| void handleShadesPenChanged(const QPen &pen); | ||||
| void handleArrowPenChanged(const QPen &pen); | ||||
| void handleGridPenChanged(const QPen &pen); | ||||
| 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); | ||||
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r2297 | void handleTitleVisibleChanged(bool visible); | ||
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r2273 | void handleRangeChanged(qreal min , qreal max); | ||
| Q_SIGNALS: | ||||
| void clicked(); | ||||
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r1965 | |||
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r85 | private: | ||
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r452 | inline bool isEmpty(); | ||
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r223 | void createItems(int count); | ||
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r502 | void deleteItems(int count); | ||
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r745 | void updateLayout(QVector<qreal> &layout); | ||
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r677 | void axisSelected(); | ||
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r2273 | void connectSlots(); | ||
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r497 | |||
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r2111 | private: | ||
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r2273 | QAbstractAxis *m_axis; | ||
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r176 | int m_labelsAngle; | ||
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r2105 | QRectF m_axisRect; | ||
| QRectF m_gridRect; | ||||
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r788 | QScopedPointer<QGraphicsItemGroup> m_grid; | ||
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r2273 | QScopedPointer<QGraphicsItemGroup> m_arrow; | ||
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r788 | QScopedPointer<QGraphicsItemGroup> m_shades; | ||
| QScopedPointer<QGraphicsItemGroup> m_labels; | ||||
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r2141 | QScopedPointer<QGraphicsSimpleTextItem> m_title; | ||
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r291 | QVector<qreal> m_layoutVector; | ||
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r1241 | AxisAnimation *m_animation; | ||
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r2105 | int m_labelPadding; | ||
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r2111 | QStringList m_labelsList; | ||
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r2118 | bool m_intervalAxis; | ||
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r2413 | int m_titlePadding; | ||
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r140 | |||
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r2131 | friend class AxisAnimation; | ||
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r2273 | friend class ArrowItem; | ||
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r677 | |||
| }; | ||||
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r2273 | class ArrowItem: public QGraphicsLineItem | ||
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r677 | { | ||
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r967 | public: | ||
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r2273 | explicit ArrowItem(ChartAxis *axis, QGraphicsItem *parent = 0) : QGraphicsLineItem(parent), m_axis(axis) {} | ||
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r677 | |||
| protected: | ||||
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r2097 | void mousePressEvent(QGraphicsSceneMouseEvent *event) { | ||
| Q_UNUSED(event) | ||||
| m_axis->axisSelected(); | ||||
| } | ||||
| QRectF boundingRect() const { | ||||
| return shape().boundingRect(); | ||||
| } | ||||
| QPainterPath shape() const { | ||||
| QPainterPath path = QGraphicsLineItem::shape(); | ||||
| QRectF rect = path.boundingRect(); | ||||
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r2111 | path.addRect(rect.adjusted(0, 0, m_axis->orientation() != Qt::Horizontal ? 8 : 0, m_axis->orientation() != Qt::Vertical ? 8 : 0)); | ||
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r2097 | return path; | ||
| } | ||||
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r679 | |||
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r677 | private: | ||
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r2104 | ChartAxis *m_axis; | ||
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r67 | }; | ||
| QTCOMMERCIALCHART_END_NAMESPACE | ||||
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r1935 | #endif /* CHARTAXI_H */ | ||