HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/charttheme_p.h

Proof-of-concept for QML api...

Proof-of-concept for QML api Line, scatter and pie series now shown on a QML app. Uses hard-coded test data.

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        Tero Ahola
    
Refactored themes; now enabled for line, scatter and pies...

              r103
            
      #ifndef CHARTTHEME_H

      #define CHARTTHEME_H

      #include "qchartglobal.h"

      #include <QObject>

      #include <QSharedData>

      #include <QColor>

      #include <QLinearGradient>

      #include <QPen>

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

        Tero Ahola
    
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              r108
            
      class ChartTheme;

      class ChartThemeObserver

      {

      public:

          virtual void themeChanged(ChartTheme *theme) = 0;

      };

        Tero Ahola
    
Refactored themes; now enabled for line, scatter and pies...

              r103
            
      /*!

       * The theme specific settings for the appearance of a series. TODO: These can be overridden by setting

       * custom settings to a QChartSeries object.

       */

      struct SeriesTheme {

      public:

          SeriesTheme() :

        Tero Ahola
    
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              r108
            
              linePen(QPen()),

              markerPen(QPen()) {}

          SeriesTheme(QColor lineColor, qreal lineWidth/*, QPen marker*/) :

        Tero Ahola
    
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              r103
            
              linePen(QPen(QBrush(lineColor), lineWidth)),

              markerPen(linePen) {}

      //const QBrush & brush, qreal width, Qt::PenStyle style = Qt::SolidLine, Qt::PenCapStyle cap = Qt::SquareCap, Qt::PenJoinStyle join = Qt::BevelJo

          // TODO:

          //QColor lineColor;

          QPen linePen;

          //QBrush lineBrush;

          QPen markerPen;

          //QBrush markerBrush;

      };

      /*!

       * Explicitly shared data class for the themes.

       */

      class ChartThemeData : public QSharedData

      {

      public:

          ChartThemeData() : m_currentTheme(0) {}

          ~ChartThemeData() {}

      public:

          void setTheme(int theme);

      public:

          int m_currentTheme;

        Tero Ahola
    
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              r108
            
          QList<ChartThemeObserver *> m_observers;

        Tero Ahola
    
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              r103
            
          QColor m_gradientStartColor;

          QColor m_gradientEndColor;

          QList<SeriesTheme> m_seriesThemes;

          int m_seriesIndex;

      };

      class ChartTheme : public QObject

      {

          Q_OBJECT

      public:

          explicit ChartTheme(QObject *parent = 0);

        Tero Ahola
    
Refactored the test app

              r110
            
          explicit ChartTheme(const ChartTheme &other, QObject *parent = 0) : QObject(parent), d(other.d) {}

        Tero Ahola
    
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              r103
            
          void operator =(const ChartTheme &other) { d = other.d; }

        Tero Ahola
    
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              r108
            
          void setTheme(int theme);

        Tero Ahola
    
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              r103
            
          SeriesTheme themeForSeries();

        Tero Ahola
    
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              r108
            
          void addObserver(ChartThemeObserver *o) { d->m_observers << o; }

        Tero Ahola
    
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              r103
            
      public:

          // All the graphical elements of a QChart share the same theme settings

          // so let's use explicitly shared data

          QExplicitlySharedDataPointer<ChartThemeData> d;

      };

      QTCOMMERCIALCHART_END_NAMESPACE

      #endif // CHARTTHEME_H

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Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	#ifndef CHARTTHEME_H
		#define CHARTTHEME_H

		#include "qchartglobal.h"
		#include <QObject>
		#include <QSharedData>
		#include <QColor>
		#include <QLinearGradient>
		#include <QPen>

		QTCOMMERCIALCHART_BEGIN_NAMESPACE

Tero Ahola One more alternative for changing themes	r108	class ChartTheme;

		class ChartThemeObserver
		{
		public:
		virtual void themeChanged(ChartTheme *theme) = 0;
		};

Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	/*!
		* The theme specific settings for the appearance of a series. TODO: These can be overridden by setting
		* custom settings to a QChartSeries object.
		*/
		struct SeriesTheme {
		public:
		SeriesTheme() :
Tero Ahola One more alternative for changing themes	r108	linePen(QPen()),
		markerPen(QPen()) {}
		SeriesTheme(QColor lineColor, qreal lineWidth/, QPen marker/) :
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	linePen(QPen(QBrush(lineColor), lineWidth)),
		markerPen(linePen) {}

		//const QBrush & brush, qreal width, Qt::PenStyle style = Qt::SolidLine, Qt::PenCapStyle cap = Qt::SquareCap, Qt::PenJoinStyle join = Qt::BevelJo
		// TODO:
		//QColor lineColor;
		QPen linePen;
		//QBrush lineBrush;
		QPen markerPen;
		//QBrush markerBrush;
		};

		/*!
		* Explicitly shared data class for the themes.
		*/
		class ChartThemeData : public QSharedData
		{
		public:
		ChartThemeData() : m_currentTheme(0) {}
		~ChartThemeData() {}

		public:
		void setTheme(int theme);

		public:
		int m_currentTheme;
Tero Ahola One more alternative for changing themes	r108	QList<ChartThemeObserver *> m_observers;
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	QColor m_gradientStartColor;
		QColor m_gradientEndColor;
		QList<SeriesTheme> m_seriesThemes;
		int m_seriesIndex;
		};

		class ChartTheme : public QObject
		{
		Q_OBJECT
		public:
		explicit ChartTheme(QObject *parent = 0);
Tero Ahola Refactored the test app	r110	explicit ChartTheme(const ChartTheme &other, QObject *parent = 0) : QObject(parent), d(other.d) {}
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	void operator =(const ChartTheme &other) { d = other.d; }

Tero Ahola One more alternative for changing themes	r108	void setTheme(int theme);
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	SeriesTheme themeForSeries();
Tero Ahola One more alternative for changing themes	r108	void addObserver(ChartThemeObserver *o) { d->m_observers << o; }
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103
		public:
		// All the graphical elements of a QChart share the same theme settings
		// so let's use explicitly shared data
		QExplicitlySharedDataPointer<ChartThemeData> d;
		};

		QTCOMMERCIALCHART_END_NAMESPACE

		#endif // CHARTTHEME_H