HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Commit - r392:938f3d3eaf7c

Adds updated handling for line series

Michal Klocek -

r392:938f3d3eaf7c

parent child

Context file:

r392:938f3d3eaf7c

src/chartpresenter.cpp +2 0

                         QObject::connect(lineSeries,SIGNAL(pointReplaced(int)),item,SLOT(handlePointReplaced(int)));
                         QObject::connect(lineSeries,SIGNAL(pointAdded(int)),item,SLOT(handlePointAdded(int)));
                         QObject::connect(lineSeries,SIGNAL(pointRemoved(int)),item,SLOT(handlePointRemoved(int)));
+                        QObject::connect(lineSeries,SIGNAL(updated()),item,SLOT(handleUpdated()));
                         m_chartItems.insert(series,item);
                         if(m_rect.isValid()) item->handleGeometryChanged(m_rect);
+                        item->handleUpdated();
                         break;
                     }

src/linechart/linechartitem.cpp +1 -3

             	update();
             }
-            void LineChartItem::handleSeriesUpdated()
+            void LineChartItem::handleUpdated()
             {
-                if(m_points.count()==0) return;
                 m_items.setVisible(m_series->pointsVisible());
                 setPen(m_series->pen());
                 update();

src/linechart/linechartitem_p.h +2 -2

                 void handlePointAdded(int index);
                 void handlePointRemoved(int index);
                 void handlePointReplaced(int index);
-                void handleSeriesUpdated();
+                void handleUpdated();
                 void handleDomainChanged(const Domain& domain);
                 void handleGeometryChanged(const QRectF& size);
             private:
                 ChartPresenter* m_presenter;
                 QPainterPath m_path;
+                QLineSeries* m_series;
                 QSizeF m_size;
                 QRectF m_rect;
                 QRectF m_clipRect;
                 Domain m_domain;
                 QGraphicsItemGroup m_items;
                 QVector<QPointF> m_points;
-                QLineSeries* m_series;
                 QPen m_pen;
             };

src/linechart/qlineseries.cpp +11 0

             */
             /*!
+                \fn void QLineSeries::updated(int index)
+                \brief \internal
+            */
+            /*!
                 Constructs empty series object which is a child of \a parent.
                 When series object is added to QChartView or QChart instance ownerships is transfered.
             */
             */
             void QLineSeries::setPen(const QPen& pen)
             {
+                if(pen!=m_pen){
                 m_pen=pen;
+                emit updated();
+                }
             }
             /*!
             */
             void QLineSeries::setPointsVisible(bool visible)
             {
+                if(m_pointsVisible!=visible){
                 m_pointsVisible=visible;
+                emit updated();
+                }
             }
             QDebug operator<< (QDebug debug, const QLineSeries series)

src/linechart/qlineseries.h +1 0

                 void pointReplaced(int index);
                 void pointRemoved(int index);
                 void pointAdded(int index);
+                void updated();
             private:
                 QVector<qreal> m_x;

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