[gtk+] Implement titlebar action settings for X11

[Matthias Clasen <matthiasc src gnome org>]

commit 69a44ee9efc6ab7323cc42a89217b90790a0f197
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Sep 25 01:25:25 2014 -0400

    Implement titlebar action settings for X11
    
    https://bugzilla.gnome.org/show_bug.cgi?id=729782

 gdk/x11/gdksettings.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gdk/x11/gdksettings.c b/gdk/x11/gdksettings.c
index 86ecc2d..62a4ea3 100644
--- a/gdk/x11/gdksettings.c
+++ b/gdk/x11/gdksettings.c
@@ -59,6 +59,9 @@ static const struct {
   {"Gtk/ShellShowsMenubar",   "gtk-shell-shows-menubar"},
   {"Gtk/ShellShowsDesktop",   "gtk-shell-shows-desktop"},
   {"Gtk/DecorationLayout",    "gtk-decoration-layout"},
+  {"Gtk/TitlebarDoubleClick", "gtk-titlebar-double-click"},
+  {"Gtk/TitlebarMiddleClick", "gtk-titlebar-middle-click"},
+  {"Gtk/TitlebarRightClick", "gtk-titlebar-right-click"},
   {"Gtk/DialogsUseHeader",    "gtk-dialogs-use-header"},
   {"Gtk/EnablePrimaryPaste",  "gtk-enable-primary-paste"},
   {"Gtk/RecentFilesMaxAge",   "gtk-recent-files-max-age"},