From f149ef311d71b7abc01ab26ff4cf27195e387e57 2012-11-13 09:11:57
From: Marek Rosa <marek.rosa@digia.com>
Date: 2012-11-13 09:11:57
Subject: [PATCH] Added hovered support to scatter series

---

diff --git a/src/scatterchart/scatterchartitem.cpp b/src/scatterchart/scatterchartitem.cpp
index cedbd74..8e8e2c1 100644
--- a/src/scatterchart/scatterchartitem.cpp
+++ b/src/scatterchart/scatterchartitem.cpp
@@ -96,6 +96,11 @@ void ScatterChartItem::markerSelected(QGraphicsItem *marker)
     emit XYChart::clicked(calculateDomainPoint(m_markerMap[marker]));
 }
 
+void ScatterChartItem::markerHovered(QGraphicsItem *marker, bool state)
+{
+    emit XYChart::hovered(calculateDomainPoint(m_markerMap[marker]), state);
+}
+
 void ScatterChartItem::updateGeometry()
 {
 
diff --git a/src/scatterchart/scatterchartitem_p.h b/src/scatterchart/scatterchartitem_p.h
index f127dee..c64322d 100644
--- a/src/scatterchart/scatterchartitem_p.h
+++ b/src/scatterchart/scatterchartitem_p.h
@@ -55,6 +55,7 @@ public:
     void setBrush(const QBrush &brush);
 
     void markerSelected(QGraphicsItem *item);
+    void markerHovered(QGraphicsItem *item, bool state);
 
 public Q_SLOTS:
     void handleUpdated();
@@ -84,6 +85,7 @@ public:
         : QGraphicsEllipseItem(x, y, w, h, parent),
           m_parent(parent)
     {
+        setAcceptHoverEvents(true);
     }
 
 protected:
@@ -92,6 +94,16 @@ protected:
         m_parent->markerSelected(this);
         QGraphicsEllipseItem::mousePressEvent(event);
     }
+    void hoverEnterEvent(QGraphicsSceneHoverEvent *event)
+    {
+        m_parent->markerHovered(this, true);
+        QGraphicsEllipseItem::hoverEnterEvent(event);
+    }
+    void hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
+    {
+        m_parent->markerHovered(this, false);
+        QGraphicsEllipseItem::hoverLeaveEvent(event);
+    }
 
 private:
     ScatterChartItem *m_parent;
@@ -105,6 +117,7 @@ public:
         : QGraphicsRectItem(x, y, w, h, parent),
           m_parent(parent)
     {
+        setAcceptHoverEvents(true);
     }
 
 protected:
@@ -113,6 +126,16 @@ protected:
         m_parent->markerSelected(this);
         QGraphicsRectItem::mousePressEvent(event);
     }
+    void hoverEnterEvent(QGraphicsSceneHoverEvent *event)
+    {
+        m_parent->markerHovered(this, true);
+        QGraphicsRectItem::hoverEnterEvent(event);
+    }
+    void hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
+    {
+        m_parent->markerHovered(this, false);
+        QGraphicsRectItem::hoverLeaveEvent(event);
+    }
 
 private:
     ScatterChartItem *m_parent;