[gedit/gnome-3-28] notebook: Allow closing of tabs with middle mouse button

[Sébastien Lafargue <slafargue src gnome org>]

commit 302e6d380ed01faad5de7fd4f92943b62e044a0d
Author: Corey Daley <cdaley redhat com>
Date:   Thu Nov 1 19:30:00 2018 +0100

    notebook: Allow closing of tabs with middle mouse button

 gedit/gedit-notebook.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)
---
diff --git a/gedit/gedit-notebook.c b/gedit/gedit-notebook.c
index fcf22c39a..d06dd4983 100644
--- a/gedit/gedit-notebook.c
+++ b/gedit/gedit-notebook.c
@@ -146,7 +146,6 @@ gedit_notebook_button_press_event (GtkWidget      *widget,
        GtkNotebook *notebook = GTK_NOTEBOOK (widget);
 
        if (event->type == GDK_BUTTON_PRESS &&
-           event->button == GDK_BUTTON_SECONDARY &&
            (event->state & gtk_accelerator_get_default_mod_mask ()) == 0)
        {
                gint tab_clicked;
@@ -157,10 +156,19 @@ gedit_notebook_button_press_event (GtkWidget      *widget,
                        GtkWidget *tab;
 
                        tab = gtk_notebook_get_nth_page (notebook, tab_clicked);
+                       switch (event->button)
+                       {
+                               case GDK_BUTTON_SECONDARY:
+                                       g_signal_emit (G_OBJECT (widget), signals[SHOW_POPUP_MENU], 0, event, 
tab);
+                                       return GDK_EVENT_STOP;
 
-                       g_signal_emit (G_OBJECT (widget), signals[SHOW_POPUP_MENU], 0, event, tab);
+                               case GDK_BUTTON_MIDDLE:
+                                       g_signal_emit (G_OBJECT (notebook), signals[TAB_CLOSE_REQUEST], 0, 
tab);
+                                       return GDK_EVENT_STOP;
 
-                       return GDK_EVENT_STOP;
+                               default:
+                                       break;
+                       }
                }
        }