From 703758f6d2cfa191adba418e98bea21031ac4e1d 2012-04-04 13:37:29
From: sauimone <samu.uimonen@digia.com>
Date: 2012-04-04 13:37:29
Subject: [PATCH] changed legend default visibility

---

diff --git a/src/qlegend.cpp b/src/qlegend.cpp
index b2b325a..357cb5c 100644
--- a/src/qlegend.cpp
+++ b/src/qlegend.cpp
@@ -100,10 +100,11 @@ QLegend::QLegend(QChart *chart):QGraphicsWidget(chart),
     m_minHeight(0),
     m_width(0),
     m_height(0),
-    m_visible(false)
+    m_backgroundVisible(false)
 {
     setZValue(ChartPresenter::LegendZValue);
     setFlags(QGraphicsItem::ItemClipsChildrenToShape);
+    setVisible(false);  // By default legend is invisible
 }
 
 /*!
@@ -114,7 +115,7 @@ void QLegend::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, Q
 {
 	Q_UNUSED(option)
 	Q_UNUSED(widget)
-	if(!m_visible) return;
+    if(!m_backgroundVisible) return;
 
     painter->setOpacity(opacity());
     painter->setPen(m_pen);
@@ -482,16 +483,16 @@ void QLegend::updateLayout()
 
 void QLegend::setBackgroundVisible(bool visible)
 {
-    if(m_visible!=visible)
+    if(m_backgroundVisible!=visible)
     {
-    	m_visible=visible;
+        m_backgroundVisible=visible;
     	update();
     }
 }
 
 bool QLegend::isBackgroundVisible() const
 {
-   return m_visible;
+   return m_backgroundVisible;
 }
 
 void QLegend::resizeEvent(QGraphicsSceneResizeEvent *event)
diff --git a/src/qlegend.h b/src/qlegend.h
index ffcef85..f40efeb 100644
--- a/src/qlegend.h
+++ b/src/qlegend.h
@@ -80,7 +80,7 @@ public:
     qreal minWidht() const { return m_minWidth;}
     qreal minHeight() const { return m_minHeight;}
 
-    void setBackgroundVisible(bool visible);
+    void setBackgroundVisible(bool visible = true);
     bool isBackgroundVisible() const;
 
     void setOffset(const QPointF& point);
@@ -130,7 +130,7 @@ private:
     qreal m_minHeight;
     qreal m_width;
     qreal m_height;
-    bool m_visible;
+    bool m_backgroundVisible;
     friend class ScrolledQLegend;
     // <--- PIMPL
 };