declarativechart.h
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CLexer
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r0 | /**************************************************************************** | ||
** | ||||
** Copyright (C) 2016 The Qt Company Ltd. | ||||
** Contact: https://www.qt.io/licensing/ | ||||
** | ||||
** This file is part of the Qt Charts module of the Qt Toolkit. | ||||
** | ||||
** $QT_BEGIN_LICENSE:GPL$ | ||||
** Commercial License Usage | ||||
** Licensees holding valid commercial Qt licenses may use this file in | ||||
** accordance with the commercial license agreement provided with the | ||||
** Software or, alternatively, in accordance with the terms contained in | ||||
** a written agreement between you and The Qt Company. For licensing terms | ||||
** and conditions see https://www.qt.io/terms-conditions. For further | ||||
** information use the contact form at https://www.qt.io/contact-us. | ||||
** | ||||
** GNU General Public License Usage | ||||
** Alternatively, this file may be used under the terms of the GNU | ||||
** General Public License version 3 or (at your option) any later version | ||||
** approved by the KDE Free Qt Foundation. The licenses are as published by | ||||
** the Free Software Foundation and appearing in the file LICENSE.GPL3 | ||||
** included in the packaging of this file. Please review the following | ||||
** information to ensure the GNU General Public License requirements will | ||||
** be met: https://www.gnu.org/licenses/gpl-3.0.html. | ||||
** | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
#ifndef DECLARATIVECHART_H | ||||
#define DECLARATIVECHART_H | ||||
#include <private/glxyseriesdata_p.h> | ||||
#include <QtCore/QtGlobal> | ||||
#include <QtQuick/QQuickItem> | ||||
#include <QtWidgets/QGraphicsScene> | ||||
#include <QtCharts/QChart> | ||||
#include <QtCore/QLocale> | ||||
QT_CHARTS_BEGIN_NAMESPACE | ||||
class DeclarativeMargins; | ||||
class Domain; | ||||
class DeclarativeAxes; | ||||
class DeclarativeChart : public QQuickItem | ||||
{ | ||||
Q_OBJECT | ||||
Q_PROPERTY(Theme theme READ theme WRITE setTheme) | ||||
Q_PROPERTY(Animation animationOptions READ animationOptions WRITE setAnimationOptions) | ||||
Q_PROPERTY(int animationDuration READ animationDuration WRITE setAnimationDuration NOTIFY animationDurationChanged REVISION 5) | ||||
Q_PROPERTY(QEasingCurve animationEasingCurve READ animationEasingCurve WRITE setAnimationEasingCurve NOTIFY animationEasingCurveChanged REVISION 5) | ||||
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); | ||||
QSGNode *updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *); | ||||
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 setAnimationDuration(int msecs); | ||||
int animationDuration() const; | ||||
void setAnimationEasingCurve(const QEasingCurve &curve); | ||||
QEasingCurve animationEasingCurve() const; | ||||
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_REVISION(5) Q_INVOKABLE void zoomIn(); | ||||
Q_REVISION(5) Q_INVOKABLE void zoomIn(const QRectF &rectangle); | ||||
Q_REVISION(5) Q_INVOKABLE void zoomOut(); | ||||
Q_REVISION(5) Q_INVOKABLE void zoomReset(); | ||||
Q_REVISION(5) Q_INVOKABLE bool isZoomed(); | ||||
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_REVISION(5) Q_INVOKABLE QPointF mapToValue(const QPointF &position, | ||||
QAbstractSeries *series = 0); | ||||
Q_REVISION(5) Q_INVOKABLE QPointF mapToPosition(const QPointF &value, | ||||
QAbstractSeries *series = 0); | ||||
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(); | ||||
Q_REVISION(5) void animationDurationChanged(int msecs); | ||||
Q_REVISION(5) void animationEasingCurveChanged(QEasingCurve curve); | ||||
void needRender(); | ||||
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); | ||||
void findMinMaxForSeries(QAbstractSeries *series,Qt::Orientations orientation, | ||||
qreal &min, qreal &max); | ||||
// 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; | ||||
QImage *m_sceneImage; | ||||
bool m_sceneImageDirty; | ||||
bool m_updatePending; | ||||
Qt::HANDLE m_paintThreadId; | ||||
Qt::HANDLE m_guiThreadId; | ||||
DeclarativeMargins *m_margins; | ||||
GLXYSeriesDataManager *m_glXYDataManager; | ||||
bool m_sceneImageNeedsClear; | ||||
}; | ||||
QT_CHARTS_END_NAMESPACE | ||||
#endif // DECLARATIVECHART_H | ||||