[gsettings-desktop-schemas] schemas: Add a gsetting to back Gtk/EnablePrimaryPaste

[Rui Matos <rtcm src gnome org>]

commit 4af29068352a2554646d280fa2ed7e3a39a2f716
Author: Rui Matos <tiagomatos gmail com>
Date:   Thu Dec 8 18:16:54 2016 +0100

    schemas: Add a gsetting to back Gtk/EnablePrimaryPaste
    
    Instead of relying on xsettings overrides to change it, let's make use
    of a proper gsetting that can also be used by gtk+ on the wayland
    backend.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=775844

 schemas/org.gnome.desktop.interface.gschema.xml.in |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/schemas/org.gnome.desktop.interface.gschema.xml.in 
b/schemas/org.gnome.desktop.interface.gschema.xml.in
index ed08f62..e026bf6 100644
--- a/schemas/org.gnome.desktop.interface.gschema.xml.in
+++ b/schemas/org.gnome.desktop.interface.gschema.xml.in
@@ -227,5 +227,12 @@
         If true, display battery percentage in the status menu, in addition to the icon.
       </description>
     </key>
+    <key name="gtk-enable-primary-paste" type="b">
+      <default>true</default>
+      <summary>Enable the primary paste selection</summary>
+      <description>
+        If true, gtk+ uses the primary paste selection, usually triggered by a middle mouse button click.
+      </description>
+    </key>
   </schema>
 </schemalist>