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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd
** All rights reserved.
** For any questions to The Qt Company, please use contact form at http://qt.io
**
** This file is part of the Qt Charts module.
**
** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt License Agreement provided with the Software
** or, alternatively, in accordance with the terms contained in a written
** agreement between you and The Qt Company.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.io
**
****************************************************************************/
#ifndef DECLARATIVECHART_H
#define DECLARATIVECHART_H
#include <QtCore/QtGlobal>
#include <QtQuick/QQuickItem>
#include <QtQuick/QQuickPaintedItem>
#include <QtWidgets/QGraphicsScene>
#include <QtCore/QMutex>
#include <QtCharts/QChart>
#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(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);
void mouseDoubleClickEvent(QMouseEvent *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();
void setPlotAreaColor(QColor color);
QColor plotAreaColor();
void setLocalizeNumbers(bool localize);
bool localizeNumbers() const;
void setLocale(const QLocale &locale);
QLocale locale() const;
int count();
void setDropShadowEnabled(bool enabled);
bool dropShadowEnabled();
qreal backgroundRoundness() const;
void setBackgroundRoundness(qreal diameter);
// Margins & plotArea
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 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);
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 changeMargins(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);
void seriesAxisAttachHelper(QAbstractSeries *series, QAbstractAxis *axis,
Qt::Orientations orientation, Qt::Alignment alignment);
// 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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