From 2c530ab0d31b2fe8680cbfc2b8689704498f8fc9 Mon Sep 17 00:00:00 2001
From: raveit65 <chat-to-me@raveit.de>
Date: Tue, 31 Jan 2017 09:20:41 +0100
Subject: [PATCH] call gtk_notebook_detach_tab only if the tab is detached

Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=1398234
---
 src/terminal-window.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/terminal-window.c b/src/terminal-window.c
index b0977fb..1a01dda 100644
--- a/src/terminal-window.c
+++ b/src/terminal-window.c
@@ -44,6 +44,8 @@
 #include "skey-popup.h"
 #endif
 
+static gboolean detach_tab = FALSE;
+
 struct _TerminalWindowPrivate
 {
     GtkActionGroup *action_group;
@@ -2637,8 +2639,15 @@ terminal_window_remove_screen (TerminalWindow *window,
 
     screen_container = terminal_screen_container_get_from_screen (screen);
 #if GTK_CHECK_VERSION(3, 16, 0)
-    gtk_notebook_detach_tab (GTK_NOTEBOOK (priv->notebook),
-                             GTK_WIDGET (screen_container));
+    if (detach_tab)
+    {
+        gtk_notebook_detach_tab (GTK_NOTEBOOK (priv->notebook),
+                                 GTK_WIDGET (screen_container));
+        detach_tab = FALSE;
+    }
+    else
+        gtk_container_remove (GTK_CONTAINER (priv->notebook),
+                              GTK_WIDGET (screen_container));
 #else
     gtk_container_remove (GTK_CONTAINER (priv->notebook),
                           GTK_WIDGET (screen_container));
@@ -2669,6 +2678,9 @@ terminal_window_move_screen (TerminalWindow *source_window,
      */
     g_object_ref_sink (screen_container);
     g_object_ref_sink (screen);
+
+    detach_tab = TRUE;
+
     terminal_window_remove_screen (source_window, screen);
 
     /* Now we can safely remove the screen from the container and let the container die */