[epiphany/mcatanzaro/#916] notebook: middle-click should not close pinned tabs

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 088c638e43533019bf4977d54181b2cd9cb029d5
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun Sep 8 12:39:38 2019 -0500

    notebook: middle-click should not close pinned tabs
    
    Fixes #916

 src/ephy-notebook.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/src/ephy-notebook.c b/src/ephy-notebook.c
index 8d76bfec3..b3ce9e837 100644
--- a/src/ephy-notebook.c
+++ b/src/ephy-notebook.c
@@ -226,8 +226,11 @@ button_press_cb (EphyNotebook   *notebook,
 
   if (event->type == GDK_BUTTON_PRESS && event->button == GDK_BUTTON_MIDDLE) {
     GtkWidget *tab = gtk_notebook_get_nth_page (GTK_NOTEBOOK (notebook), tab_clicked);
-    g_signal_emit (notebook, signals[TAB_CLOSE_REQUEST], 0, tab);
-    return GDK_EVENT_STOP;
+
+    if (!ephy_notebook_tab_is_pinned (notebook, EPHY_EMBED (tab))) {
+      g_signal_emit (notebook, signals[TAB_CLOSE_REQUEST], 0, tab);
+      return GDK_EVENT_STOP;
+    }
   }
 
   if (event->type == GDK_BUTTON_PRESS &&