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/****************************************************************************
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**
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** Copyright (C) 2014 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.io
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**
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** This file is part of the Qt Charts module.
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**
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** Licensees holding valid commercial license for Qt may use this file in
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** accordance with the Qt License Agreement provided with the Software
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** or, alternatively, in accordance with the terms contained in a written
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** 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.io
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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 <QtQuick/QQuickItem>
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#include <QtQuick/QQuickPaintedItem>
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#include <QtWidgets/QGraphicsScene>
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#include <QtCore/QMutex>
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#include <QtCharts/QChart>
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#include <QtCore/QLocale>
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QT_CHARTS_BEGIN_NAMESPACE
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class DeclarativeMargins;
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class Domain;
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class DeclarativeAxes;
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class DeclarativeChart : public QQuickPaintedItem
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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(QLegend *legend READ legend CONSTANT)
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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 backgroundRoundness READ backgroundRoundness WRITE setBackgroundRoundness NOTIFY backgroundRoundnessChanged REVISION 3)
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Q_PROPERTY(qreal topMargin READ topMargin)
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Q_PROPERTY(qreal bottomMargin READ bottomMargin)
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Q_PROPERTY(qreal leftMargin READ leftMargin)
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Q_PROPERTY(qreal rightMargin READ rightMargin)
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Q_PROPERTY(DeclarativeMargins *minimumMargins READ minimumMargins NOTIFY minimumMarginsChanged REVISION 1)
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Q_PROPERTY(DeclarativeMargins *margins READ margins NOTIFY marginsChanged REVISION 2)
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Q_PROPERTY(QRectF plotArea READ plotArea NOTIFY plotAreaChanged REVISION 1)
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Q_PROPERTY(QColor plotAreaColor READ plotAreaColor WRITE setPlotAreaColor NOTIFY plotAreaColorChanged REVISION 3)
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Q_PROPERTY(QQmlListProperty<QAbstractAxis> axes READ axes REVISION 2)
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Q_PROPERTY(bool localizeNumbers READ localizeNumbers WRITE setLocalizeNumbers NOTIFY localizeNumbersChanged REVISION 4)
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Q_PROPERTY(QLocale locale READ locale WRITE setLocale NOTIFY localeChanged REVISION 4)
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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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ChartThemeQt
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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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SeriesTypeBoxPlot,
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SeriesTypePie,
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SeriesTypeScatter,
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SeriesTypeSpline,
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SeriesTypeHorizontalBar,
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SeriesTypeHorizontalStackedBar,
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SeriesTypeHorizontalPercentBar
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};
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public:
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DeclarativeChart(QQuickItem *parent = 0);
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~DeclarativeChart();
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public: // From parent classes
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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);
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protected:
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void mousePressEvent(QMouseEvent *event);
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void mouseReleaseEvent(QMouseEvent *event);
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void hoverMoveEvent(QHoverEvent *event);
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void mouseDoubleClickEvent(QMouseEvent *event);
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private Q_SLOTS:
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void handleAntialiasingChanged(bool enable);
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void sceneChanged(QList<QRectF> region);
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void renderScene();
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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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void setPlotAreaColor(QColor color);
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QColor plotAreaColor();
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void setLocalizeNumbers(bool localize);
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bool localizeNumbers() const;
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void setLocale(const QLocale &locale);
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QLocale locale() const;
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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 backgroundRoundness() const;
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void setBackgroundRoundness(qreal diameter);
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// Margins & plotArea
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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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DeclarativeMargins *minimumMargins() { return m_margins; }
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DeclarativeMargins *margins() { return m_margins; }
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QRectF plotArea() { return m_chart->plotArea(); }
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// Axis handling
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QAbstractAxis *defaultAxis(Qt::Orientation orientation, QAbstractSeries *series);
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void initializeAxes(QAbstractSeries *series);
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void doInitializeAxes(QAbstractSeries *series, DeclarativeAxes *axes);
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QQmlListProperty<QAbstractAxis> axes();
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static void axesAppendFunc(QQmlListProperty<QAbstractAxis> *list, QAbstractAxis *element);
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static int axesCountFunc(QQmlListProperty<QAbstractAxis> *list);
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static QAbstractAxis *axesAtFunc(QQmlListProperty<QAbstractAxis> *list, int index);
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static void axesClearFunc(QQmlListProperty<QAbstractAxis> *list);
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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(int type, QString name = "", QAbstractAxis *axisX = 0, QAbstractAxis *axisY = 0);
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Q_INVOKABLE void removeSeries(QAbstractSeries *series);
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Q_INVOKABLE void removeAllSeries() { m_chart->removeAllSeries(); }
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Q_INVOKABLE void setAxisX(QAbstractAxis *axis, QAbstractSeries *series = 0);
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Q_INVOKABLE void setAxisY(QAbstractAxis *axis, QAbstractSeries *series = 0);
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Q_INVOKABLE void createDefaultAxes();
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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 minimumMarginsChanged();
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Q_REVISION(2) void marginsChanged();
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void plotAreaChanged(QRectF plotArea);
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void seriesAdded(QAbstractSeries *series);
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void seriesRemoved(QAbstractSeries *series);
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Q_REVISION(3) void plotAreaColorChanged();
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Q_REVISION(3) void backgroundRoundnessChanged(qreal diameter);
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Q_REVISION(4) void localizeNumbersChanged();
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Q_REVISION(4) void localeChanged();
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private Q_SLOTS:
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void changeMinimumMargins(int top, int bottom, int left, int right);
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void handleAxisXSet(QAbstractAxis *axis);
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void handleAxisYSet(QAbstractAxis *axis);
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void handleAxisXTopSet(QAbstractAxis *axis);
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void handleAxisYRightSet(QAbstractAxis *axis);
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void handleSeriesAdded(QAbstractSeries *series);
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protected:
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explicit DeclarativeChart(QChart::ChartType type, QQuickItem *parent);
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private:
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void initChart(QChart::ChartType type);
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void seriesAxisAttachHelper(QAbstractSeries *series, QAbstractAxis *axis,
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Qt::Orientations orientation, Qt::Alignment alignment);
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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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QGraphicsScene *m_scene;
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QPointF m_mousePressScenePoint;
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QPoint m_mousePressScreenPoint;
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QPointF m_lastMouseMoveScenePoint;
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QPoint m_lastMouseMoveScreenPoint;
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Qt::MouseButton m_mousePressButton;
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Qt::MouseButtons m_mousePressButtons;
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QMutex m_sceneImageLock;
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QImage *m_currentSceneImage;
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bool m_updatePending;
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Qt::HANDLE m_paintThreadId;
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Qt::HANDLE m_guiThreadId;
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DeclarativeMargins *m_margins;
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};
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QT_CHARTS_END_NAMESPACE
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#endif // DECLARATIVECHART_H
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