From dbf96a69d78f47a9f38b63ec8c29c141cbea003f Mon Sep 17 00:00:00 2001
From: Josef Heinen <j.heinen@fz-juelich.de>
Date: Tue, 21 Nov 2017 13:58:03 +0100
Subject: [PATCH] gr: fix 'hidden window' problem after savefig

---
 src/backends/gr.jl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/backends/gr.jl b/src/backends/gr.jl
index 7261ca2c..2a10ad02 100644
--- a/src/backends/gr.jl
+++ b/src/backends/gr.jl
@@ -1329,12 +1329,18 @@ for (mime, fmt) in _gr_mimeformats
     @eval function _show(io::IO, ::MIME{Symbol($mime)}, plt::Plot{GRBackend})
         GR.emergencyclosegks()
         filepath = tempname() * "." * $fmt
+        env = get(ENV, "GKSwstype", "0")
         ENV["GKSwstype"] = $fmt
         ENV["GKS_FILEPATH"] = filepath
         gr_display(plt)
         GR.emergencyclosegks()
         write(io, readstring(filepath))
         rm(filepath)
+        if env != "0"
+            ENV["GKSwstype"] = env
+        else
+            pop!(ENV,"GKSwstype")
+        end
     end
 end