[gnome-maps/wip/mlundblad/osm-add-location: 9/17] Add MAPS_DEBUG=focus

[Marcus Lundblad <mlundblad src gnome org>]

commit d8a492760229fbee1d2e2701d3471f478ab3f83b
Author: Jonas Danielsson <jonas threetimestwo org>
Date:   Tue Jan 12 09:32:51 2016 +0100

    Add MAPS_DEBUG=focus
    
    Starting with MAPS_DEBUG=focus would keep track of the focus widget
    and print messages when it changes in the form of:
    
       * focus widget: [object instance proxy GType:Gjs_MapView ...
    
    https://bugzilla.gnome.org/show_bug.cgi?id=760487

 src/application.js |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/src/application.js b/src/application.js
index 4a61e66..d7ba080 100644
--- a/src/application.js
+++ b/src/application.js
@@ -251,6 +251,11 @@ const Application = new Lang.Class({
                                                        overlay: overlay,
                                                        opening: this._opening });
         this._mainWindow.connect('destroy', this._onWindowDestroy.bind(this));
+        if (GLib.getenv('MAPS_DEBUG') === 'focus') {
+            this._mainWindow.connect('set-focus', function(window, widget) {
+                log('* focus widget: %s'.format(widget));
+            });
+        }
     },
 
     vfunc_dbus_register: function(connection, path) {