From dc0f2b2e14e47a5e92c1c3c2fcc79b5dd9d26923 Mon Sep 17 00:00:00 2001
From: adv <alexey.danilov@opencascade.com>
Date: Mon, 29 Feb 2016 19:17:40 +0300
Subject: [PATCH] 0000587: External 583: Study should be saveable after a
 plotting change.

---
 src/Plot2d/Plot2d_ViewFrame.cxx | 5 +++++
 src/Plot2d/Plot2d_ViewFrame.h   | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/src/Plot2d/Plot2d_ViewFrame.cxx b/src/Plot2d/Plot2d_ViewFrame.cxx
index c2f602a8c..d4160fbe1 100755
--- a/src/Plot2d/Plot2d_ViewFrame.cxx
+++ b/src/Plot2d/Plot2d_ViewFrame.cxx
@@ -1126,6 +1126,8 @@ void Plot2d_ViewFrame::onSettings()
     // update preferences
     if ( dlg->isSetAsDefault() ) 
       writePreferences();
+
+    emit settingsUpdated();
   }
   delete dlg;
 }
@@ -1301,6 +1303,7 @@ void Plot2d_ViewFrame::onChangeBackground()
   QColor selColor = QColorDialog::getColor ( backgroundColor(), this );	
   if ( selColor.isValid() ) {
     setBackgroundColor( selColor );
+    emit backgroundColorChanged( selColor );
   }
 }
 
@@ -1352,6 +1355,8 @@ void Plot2d_ViewFrame::showLegend( bool show, bool update )
     myPlot->insertLegend( 0 );
   if ( update )
     myPlot->replot();
+
+  emit legendStateChanged( myShowLegend );
 }
 
 /*!
diff --git a/src/Plot2d/Plot2d_ViewFrame.h b/src/Plot2d/Plot2d_ViewFrame.h
index dd7021107..ff3a61fb1 100755
--- a/src/Plot2d/Plot2d_ViewFrame.h
+++ b/src/Plot2d/Plot2d_ViewFrame.h
@@ -199,6 +199,7 @@ signals:
   void    curveDisplayed( Plot2d_Curve* );
   void    curveErased( Plot2d_Curve* );
   void    curvesErased( const curveList& );
+  void    settingsUpdated();
   void    curvesUpdated();
   void	  xRangeUpdated( const double&, const double&);
   void	  yRangeUpdated( const double&, const double&, const double&, const double&);
@@ -206,6 +207,8 @@ signals:
                              const double&, const double&, const double& );
   void    manualTransformationApplied();
   void    fitAllApplied();
+  void    backgroundColorChanged( const QColor& );
+  void    legendStateChanged( const bool );
 
 protected:
   Plot2d_Plot2d* myPlot;
-- 
2.39.2