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+/****************************************************************************
+**
+** Copyright (C) 2014 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 Enterprise Charts Add-on.
+**
+** $QT_BEGIN_LICENSE$
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise 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
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef DECLARATIVECHART_H
+#define DECLARATIVECHART_H
+
+#include <QtCore/QtGlobal>
+#include <QtQuick/QQuickItem>
+#include <QtQuick/QQuickPaintedItem>
+#include <QtWidgets/QGraphicsScene>
+#include <QtCore/QMutex>
+
+#include "qchart.h"
+#include <QtCore/QLocale>
+
+QT_CHARTS_BEGIN_NAMESPACE
+
+class DeclarativeMargins;
+class Domain;
+class DeclarativeAxes;
+
+class DeclarativeChart : public QQuickPaintedItem
+{
+ Q_OBJECT
+ Q_PROPERTY(Theme theme READ theme WRITE setTheme)
+ Q_PROPERTY(Animation animationOptions READ animationOptions WRITE setAnimationOptions)
+ Q_PROPERTY(QString title READ title WRITE setTitle)
+ Q_PROPERTY(QFont titleFont READ titleFont WRITE setTitleFont)
+ Q_PROPERTY(QColor titleColor READ titleColor WRITE setTitleColor NOTIFY titleColorChanged)
+ Q_PROPERTY(QLegend *legend READ legend CONSTANT)
+ Q_PROPERTY(int count READ count)
+ Q_PROPERTY(QColor backgroundColor READ backgroundColor WRITE setBackgroundColor NOTIFY backgroundColorChanged)
+ Q_PROPERTY(bool dropShadowEnabled READ dropShadowEnabled WRITE setDropShadowEnabled NOTIFY dropShadowEnabledChanged)
+ Q_PROPERTY(qreal backgroundRoundness READ backgroundRoundness WRITE setBackgroundRoundness NOTIFY backgroundRoundnessChanged REVISION 3)
+ Q_PROPERTY(qreal topMargin READ topMargin)
+ Q_PROPERTY(qreal bottomMargin READ bottomMargin)
+ Q_PROPERTY(qreal leftMargin READ leftMargin)
+ Q_PROPERTY(qreal rightMargin READ rightMargin)
+ Q_PROPERTY(DeclarativeMargins *minimumMargins READ minimumMargins NOTIFY minimumMarginsChanged REVISION 1)
+ Q_PROPERTY(DeclarativeMargins *margins READ margins NOTIFY marginsChanged REVISION 2)
+ Q_PROPERTY(QRectF plotArea READ plotArea NOTIFY plotAreaChanged REVISION 1)
+ Q_PROPERTY(QColor plotAreaColor READ plotAreaColor WRITE setPlotAreaColor NOTIFY plotAreaColorChanged REVISION 3)
+ Q_PROPERTY(QQmlListProperty<QAbstractAxis> axes READ axes REVISION 2)
+ Q_PROPERTY(bool localizeNumbers READ localizeNumbers WRITE setLocalizeNumbers NOTIFY localizeNumbersChanged REVISION 4)
+ Q_PROPERTY(QLocale locale READ locale WRITE setLocale NOTIFY localeChanged REVISION 4)
+ Q_ENUMS(Animation)
+ Q_ENUMS(Theme)
+ Q_ENUMS(SeriesType)
+
+public:
+ // duplicating enums from QChart to make the QML api namings 1-to-1 with the C++ api
+ enum Theme {
+ ChartThemeLight = 0,
+ ChartThemeBlueCerulean,
+ ChartThemeDark,
+ ChartThemeBrownSand,
+ ChartThemeBlueNcs,
+ ChartThemeHighContrast,
+ ChartThemeBlueIcy,
+ ChartThemeQt
+ };
+
+ enum Animation {
+ NoAnimation = 0x0,
+ GridAxisAnimations = 0x1,
+ SeriesAnimations = 0x2,
+ AllAnimations = 0x3
+ };
+
+ enum SeriesType {
+ SeriesTypeLine,
+ SeriesTypeArea,
+ SeriesTypeBar,
+ SeriesTypeStackedBar,
+ SeriesTypePercentBar,
+ SeriesTypeBoxPlot,
+ SeriesTypePie,
+ SeriesTypeScatter,
+ SeriesTypeSpline,
+ SeriesTypeHorizontalBar,
+ SeriesTypeHorizontalStackedBar,
+ SeriesTypeHorizontalPercentBar
+ };
+
+public:
+ DeclarativeChart(QQuickItem *parent = 0);
+ ~DeclarativeChart();
+
+public: // From parent classes
+ void childEvent(QChildEvent *event);
+ void componentComplete();
+ void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);
+ void paint(QPainter *painter);
+protected:
+ void mousePressEvent(QMouseEvent *event);
+ void mouseReleaseEvent(QMouseEvent *event);
+ void hoverMoveEvent(QHoverEvent *event);
+private Q_SLOTS:
+ void handleAntialiasingChanged(bool enable);
+ void sceneChanged(QList<QRectF> region);
+ void renderScene();
+
+public:
+ void setTheme(DeclarativeChart::Theme theme);
+ DeclarativeChart::Theme theme();
+ void setAnimationOptions(DeclarativeChart::Animation animations);
+ DeclarativeChart::Animation animationOptions();
+ void setTitle(QString title);
+ QString title();
+ QLegend *legend();
+ QFont titleFont() const;
+ void setTitleFont(const QFont &font);
+ void setTitleColor(QColor color);
+ QColor titleColor();
+ void setBackgroundColor(QColor color);
+ QColor backgroundColor();
+ Q_REVISION(3) void setPlotAreaColor(QColor color);
+ Q_REVISION(3) QColor plotAreaColor();
+ Q_REVISION(4) void setLocalizeNumbers(bool localize);
+ Q_REVISION(4) bool localizeNumbers() const;
+ Q_REVISION(4) void setLocale(const QLocale &locale);
+ Q_REVISION(4) QLocale locale() const;
+
+ int count();
+ void setDropShadowEnabled(bool enabled);
+ bool dropShadowEnabled();
+ Q_REVISION(3) qreal backgroundRoundness() const;
+ Q_REVISION(3) void setBackgroundRoundness(qreal diameter);
+
+ // Margins & plotArea
+ qreal topMargin();
+ qreal bottomMargin();
+ qreal leftMargin();
+ qreal rightMargin();
+ DeclarativeMargins *minimumMargins() { return m_margins; }
+ Q_REVISION(2) DeclarativeMargins *margins() { return m_margins; }
+ QRectF plotArea() { return m_chart->plotArea(); }
+
+ // Axis handling
+ QAbstractAxis *defaultAxis(Qt::Orientation orientation, QAbstractSeries *series);
+ void initializeAxes(QAbstractSeries *series);
+ void doInitializeAxes(QAbstractSeries *series, DeclarativeAxes *axes);
+ QQmlListProperty<QAbstractAxis> axes();
+ static void axesAppendFunc(QQmlListProperty<QAbstractAxis> *list, QAbstractAxis *element);
+ static int axesCountFunc(QQmlListProperty<QAbstractAxis> *list);
+ static QAbstractAxis *axesAtFunc(QQmlListProperty<QAbstractAxis> *list, int index);
+ static void axesClearFunc(QQmlListProperty<QAbstractAxis> *list);
+
+public:
+ Q_INVOKABLE QAbstractSeries *series(int index);
+ Q_INVOKABLE QAbstractSeries *series(QString seriesName);
+ Q_INVOKABLE QAbstractSeries *createSeries(int type, QString name = "", QAbstractAxis *axisX = 0, QAbstractAxis *axisY = 0);
+ Q_INVOKABLE void removeSeries(QAbstractSeries *series);
+ Q_INVOKABLE void removeAllSeries() { m_chart->removeAllSeries(); }
+ Q_INVOKABLE void setAxisX(QAbstractAxis *axis, QAbstractSeries *series = 0);
+ Q_INVOKABLE void setAxisY(QAbstractAxis *axis, QAbstractSeries *series = 0);
+ Q_INVOKABLE void createDefaultAxes();
+ Q_INVOKABLE QAbstractAxis *axisX(QAbstractSeries *series = 0);
+ Q_INVOKABLE QAbstractAxis *axisY(QAbstractSeries *series = 0);
+ Q_INVOKABLE void zoom(qreal factor);
+ Q_INVOKABLE void scrollLeft(qreal pixels);
+ Q_INVOKABLE void scrollRight(qreal pixels);
+ Q_INVOKABLE void scrollUp(qreal pixels);
+ Q_INVOKABLE void scrollDown(qreal pixels);
+
+Q_SIGNALS:
+ void axisLabelsChanged();
+ void titleColorChanged(QColor color);
+ void backgroundColorChanged();
+ void dropShadowEnabledChanged(bool enabled);
+ void minimumMarginsChanged();
+ Q_REVISION(2) void marginsChanged();
+ void plotAreaChanged(QRectF plotArea);
+ void seriesAdded(QAbstractSeries *series);
+ void seriesRemoved(QAbstractSeries *series);
+ Q_REVISION(3) void plotAreaColorChanged();
+ Q_REVISION(3) void backgroundRoundnessChanged(qreal diameter);
+ Q_REVISION(4) void localizeNumbersChanged();
+ Q_REVISION(4) void localeChanged();
+
+private Q_SLOTS:
+ void changeMinimumMargins(int top, int bottom, int left, int right);
+ void handleAxisXSet(QAbstractAxis *axis);
+ void handleAxisYSet(QAbstractAxis *axis);
+ void handleAxisXTopSet(QAbstractAxis *axis);
+ void handleAxisYRightSet(QAbstractAxis *axis);
+ void handleSeriesAdded(QAbstractSeries *series);
+
+protected:
+ explicit DeclarativeChart(QChart::ChartType type, QQuickItem *parent);
+
+private:
+ void initChart(QChart::ChartType type);
+ // Extending QChart with DeclarativeChart is not possible because QObject does not support
+ // multi inheritance, so we now have a QChart as a member instead
+ QChart *m_chart;
+ QGraphicsScene *m_scene;
+ QPointF m_mousePressScenePoint;
+ QPoint m_mousePressScreenPoint;
+ QPointF m_lastMouseMoveScenePoint;
+ QPoint m_lastMouseMoveScreenPoint;
+ Qt::MouseButton m_mousePressButton;
+ Qt::MouseButtons m_mousePressButtons;
+ QMutex m_sceneImageLock;
+ QImage *m_currentSceneImage;
+ bool m_updatePending;
+ Qt::HANDLE m_paintThreadId;
+ Qt::HANDLE m_guiThreadId;
+ DeclarativeMargins *m_margins;
+};
+
+QT_CHARTS_END_NAMESPACE
+
+#endif // DECLARATIVECHART_H
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