From 2c0fe8f59504f903b7ee7669e15e7dee80687f0a Mon Sep 17 00:00:00 2001
From: jean-pierre charras <jp.charras@wanadoo.fr>
Date: Wed, 3 Oct 2018 09:46:17 +0200
Subject: [PATCH] Pcbnew: minor fix: avoid flicker in Layer Manager when
 closing Pcbnew.

It was due to useless paint events during closing, on some platforms.
---
 pcbnew/footprint_edit_frame.cpp | 5 +++++
 pcbnew/pcb_edit_frame.cpp       | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/pcbnew/footprint_edit_frame.cpp b/pcbnew/footprint_edit_frame.cpp
index 679d411fdd..513b87b907 100644
--- a/pcbnew/footprint_edit_frame.cpp
+++ b/pcbnew/footprint_edit_frame.cpp
@@ -522,6 +522,11 @@ void FOOTPRINT_EDIT_FRAME::OnCloseWindow( wxCloseEvent& Event )
         GetGalCanvas()->StopDrawing();
     }
 
+    // Do not show the layer manager during closing to avoid flicker
+    // on some platforms (Windows) that generate useless redraw of items in
+    // the Layer Manger
+    m_auimgr.GetPane( "LayersManager" ).Show( false );
+
     Clear_Pcb( false );
 
     //close the editor
diff --git a/pcbnew/pcb_edit_frame.cpp b/pcbnew/pcb_edit_frame.cpp
index 35a3d6f9c8..a51c9aca60 100644
--- a/pcbnew/pcb_edit_frame.cpp
+++ b/pcbnew/pcb_edit_frame.cpp
@@ -626,6 +626,12 @@ void PCB_EDIT_FRAME::OnCloseWindow( wxCloseEvent& Event )
         wxMessageBox( msg, Pgm().App().GetAppName(), wxOK | wxICON_ERROR, this );
     }
 
+    // Do not show the layer manager during closing to avoid flicker
+    // on some platforms (Windows) that generate useless redraw of items in
+    // the Layer Manger
+    if( m_show_layer_manager_tools )
+        m_auimgr.GetPane( "LayersManager" ).Show( false );
+
     // Delete board structs and undo/redo lists, to avoid crash on exit
     // when deleting some structs (mainly in undo/redo lists) too late
     Clear_Pcb( false );