diff -r 26b3f1e80a9c -r 317f4ce38f3f src/toolsets/viewtoolset.cpp
--- a/src/toolsets/viewtoolset.cpp	Sun Mar 05 16:57:49 2017 +0200
+++ b/src/toolsets/viewtoolset.cpp	Sun Mar 05 20:25:22 2017 +0200
@@ -124,7 +124,7 @@
 
 void ViewToolset::axes()
 {
-	m_config->toggleDrawAxes();
+	configuration().toggleDrawAxes();
 	m_window->updateActions();
 	m_window->renderer()->update();
 }
@@ -149,13 +149,13 @@
 
 void ViewToolset::wireframe()
 {
-	m_config->toggleDrawWireframe();
+	configuration().toggleDrawWireframe();
 	m_window->renderer()->update();
 }
 
 void ViewToolset::drawAngles()
 {
-	m_config->toggleDrawAngles();
+	configuration().toggleDrawAngles();
 	m_window->renderer()->update();
 }
 
@@ -224,10 +224,10 @@
 
 void ViewToolset::bfcView()
 {
-	m_config->toggleBfcRedGreenView();
+	configuration().toggleBfcRedGreenView();
 
-	if (m_config->bfcRedGreenView())
-		m_config->setRandomColors (false);
+	if (configuration().bfcRedGreenView())
+		configuration().setRandomColors (false);
 
 	m_window->updateActions();
 	m_window->renderer()->update();
@@ -254,10 +254,10 @@
 
 void ViewToolset::randomColors()
 {
-	m_config->toggleRandomColors();
+	configuration().toggleRandomColors();
 
-	if (m_config->randomColors())
-		m_config->setBfcRedGreenView (false);
+	if (configuration().randomColors())
+		configuration().setBfcRedGreenView (false);
 
 	m_window->updateActions();
 	m_window->renderer()->update();
@@ -265,24 +265,24 @@
 
 void ViewToolset::drawSurfaces()
 {
-	m_config->toggleDrawSurfaces();
+	configuration().toggleDrawSurfaces();
 	m_window->updateActions();
 }
 
 void ViewToolset::drawEdgeLines()
 {
-	m_config->toggleDrawEdgeLines();
+	configuration().toggleDrawEdgeLines();
 	m_window->updateActions();
 }
 
 void ViewToolset::drawConditionalLines()
 {
-	m_config->toggleDrawConditionalLines();
+	configuration().toggleDrawConditionalLines();
 	m_window->updateActions();
 }
 
 void ViewToolset::lighting()
 {
-	m_config->toggleLighting();
+	configuration().toggleLighting();
 	m_window->updateActions();
 }