From fe1acc93a6ddd645b475693dfd9868789a0e7569 Mon Sep 17 00:00:00 2001
From: Magne Sjaastad <magne.sjaastad@ceetronsolutions.com>
Date: Tue, 31 May 2022 10:22:18 +0200
Subject: [PATCH] #8938 Sub Plot : Fix visibility of legend

Make sure legends are set visible if any items are present in the legend
---
 ApplicationLibCode/UserInterface/RiuMultiPlotPage.cpp | 6 +++++-
 ApplicationLibCode/UserInterface/RiuQwtPlotLegend.cpp | 1 -
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/ApplicationLibCode/UserInterface/RiuMultiPlotPage.cpp b/ApplicationLibCode/UserInterface/RiuMultiPlotPage.cpp
index 162cde5bf4..b0ee3ef131 100644
--- a/ApplicationLibCode/UserInterface/RiuMultiPlotPage.cpp
+++ b/ApplicationLibCode/UserInterface/RiuMultiPlotPage.cpp
@@ -600,7 +600,11 @@ void RiuMultiPlotPage::onLegendUpdated()
 //--------------------------------------------------------------------------------------------------
 void RiuMultiPlotPage::refreshLegends()
 {
-    // TODO - might need to do something here, but at the moment it looks like alignCanvasTops() is sufficient
+    QList<QPointer<RiuQwtPlotLegend>> legends = this->legendsForVisiblePlots();
+    for ( const auto& l : legends )
+    {
+        l->setVisible( !l->isEmpty() );
+    }
 }
 
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationLibCode/UserInterface/RiuQwtPlotLegend.cpp b/ApplicationLibCode/UserInterface/RiuQwtPlotLegend.cpp
index 438e8a81e4..c98fd6caf9 100644
--- a/ApplicationLibCode/UserInterface/RiuQwtPlotLegend.cpp
+++ b/ApplicationLibCode/UserInterface/RiuQwtPlotLegend.cpp
@@ -108,7 +108,6 @@ QSize RiuQwtPlotLegend::sizeHint() const
 void RiuQwtPlotLegend::updateLegend( const QVariant& variant, const QList<QwtLegendData>& legendItems )
 {
     QwtLegend::updateLegend( variant, legendItems );
-    setVisible( !legendItems.empty() );
     emit legendUpdated();
 }