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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef DECLARATIVECHART_H
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#define DECLARATIVECHART_H
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#include <QtCore/QtGlobal>
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#include <QDeclarativeItem>
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#include <qchart.h>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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// TODO: Derive from QChart for easier definition of properties?
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class DeclarativeChart : public QDeclarativeItem
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// TODO: for QTQUICK2: extend QQuickPainterItem instead
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//class DeclarativeChart : public QQuickPaintedItem, public Chart
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{
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Q_OBJECT
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Q_PROPERTY(Theme theme READ theme WRITE setTheme)
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Q_PROPERTY(Animation animationOptions READ animationOptions WRITE setAnimationOptions)
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Q_PROPERTY(QString title READ title WRITE setTitle)
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Q_PROPERTY(QFont titleFont READ titleFont WRITE setTitleFont)
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Q_PROPERTY(QColor titleColor READ titleColor WRITE setTitleColor NOTIFY titleColorChanged)
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Q_PROPERTY(QAbstractAxis *axisX READ axisX)
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Q_PROPERTY(QAbstractAxis *axisY READ axisY)
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Q_PROPERTY(QLegend *legend READ legend)
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Q_PROPERTY(int count READ count)
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Q_PROPERTY(QColor backgroundColor READ backgroundColor WRITE setBackgroundColor NOTIFY backgroundColorChanged)
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Q_PROPERTY(bool dropShadowEnabled READ dropShadowEnabled WRITE setDropShadowEnabled NOTIFY dropShadowEnabledChanged)
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Q_PROPERTY(qreal topMargin READ topMargin NOTIFY topMarginChanged)
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Q_PROPERTY(qreal bottomMargin READ bottomMargin NOTIFY bottomMarginChanged)
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Q_PROPERTY(qreal leftMargin READ leftMargin NOTIFY leftMarginChanged)
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Q_PROPERTY(qreal rightMargin READ rightMargin NOTIFY rightMarginChanged)
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Q_ENUMS(Animation)
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Q_ENUMS(Theme)
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Q_ENUMS(SeriesType)
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public:
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// duplicating enums from QChart to make the QML api namings 1-to-1 with the C++ api
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enum Theme {
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ChartThemeLight = 0,
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ChartThemeBlueCerulean,
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ChartThemeDark,
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ChartThemeBrownSand,
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ChartThemeBlueNcs,
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ChartThemeHighContrast,
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ChartThemeBlueIcy
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};
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enum Animation {
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NoAnimation = 0x0,
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GridAxisAnimations = 0x1,
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SeriesAnimations =0x2,
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AllAnimations = 0x3
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};
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enum SeriesType {
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SeriesTypeLine,
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SeriesTypeArea,
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SeriesTypeBar,
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SeriesTypeStackedBar,
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SeriesTypePercentBar,
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SeriesTypePie,
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SeriesTypeScatter,
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SeriesTypeSpline
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};
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public:
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DeclarativeChart(QDeclarativeItem *parent = 0);
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~DeclarativeChart();
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public: // From QDeclarativeItem/QGraphicsItem
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void childEvent(QChildEvent *event);
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void componentComplete();
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void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);
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void paint (QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
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public:
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void setTheme(DeclarativeChart::Theme theme);
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DeclarativeChart::Theme theme();
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void setAnimationOptions(DeclarativeChart::Animation animations);
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DeclarativeChart::Animation animationOptions();
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void setTitle(QString title);
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QString title();
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QLegend *legend();
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QFont titleFont() const;
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void setTitleFont(const QFont& font);
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void setTitleColor(QColor color);
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QColor titleColor();
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void setBackgroundColor(QColor color);
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QColor backgroundColor();
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int count();
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void setDropShadowEnabled(bool enabled);
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bool dropShadowEnabled();
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qreal topMargin();
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qreal bottomMargin();
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qreal leftMargin();
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qreal rightMargin();
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public:
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Q_INVOKABLE QAbstractSeries *series(int index);
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Q_INVOKABLE QAbstractSeries *series(QString seriesName);
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Q_INVOKABLE QAbstractSeries *createSeries(DeclarativeChart::SeriesType type, QString name = "");
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Q_INVOKABLE QAbstractAxis *axisX(QAbstractSeries *series = 0);
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Q_INVOKABLE QAbstractAxis *axisY(QAbstractSeries *series = 0);
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Q_INVOKABLE void zoom(qreal factor);
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Q_INVOKABLE void scrollLeft(qreal pixels);
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Q_INVOKABLE void scrollRight(qreal pixels);
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Q_INVOKABLE void scrollUp(qreal pixels);
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Q_INVOKABLE void scrollDown(qreal pixels);
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Q_SIGNALS:
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void axisLabelsChanged();
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void titleColorChanged(QColor color);
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void backgroundColorChanged();
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void dropShadowEnabledChanged(bool enabled);
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void topMarginChanged(qreal margin);
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void bottomMarginChanged(qreal margin);
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void leftMarginChanged(qreal margin);
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void rightMarginChanged(qreal margin);
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public Q_SLOTS:
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void handleMarginsChanged(QRectF newMargins);
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private:
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// Extending QChart with DeclarativeChart is not possible because QObject does not support
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// multi inheritance, so we now have a QChart as a member instead
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QChart *m_chart;
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QRectF m_chartMargins;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif // DECLARATIVECHART_H
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