Multiple changes:

- Wrap topbar in own class for customization purposes.
- Add stub methods for popup creation
- Add method and shortcut to display the WM class in a notification
- Add keyboard backlight control module, to control my keyboard backlight based on which app has focus
- Add debugging bar to easily display debugging messages
- Add display brightness shortcut keys
- Move some global vars into the theme class
- Lower update intervals for widgets to lower CPU usage
- Add debugging configuration for use with Xephyr

kuro/base.py

@@ -19,6 +19,7 @@ class BaseTheme:
     layouts = None
     widget_defaults = None
     screens = None
+    qtile = None
 
     # 'Static' variables
     dgroups_key_binder = None
@@ -55,6 +56,9 @@ class BaseTheme:
     #
     # We choose LG3D to maximize irony: it is a 3D non-reparenting WM written in
     # java that happens to be on java's whitelist.
+    #
+    # Alternatively, you could add this to .xinitrc:
+    # 'export _JAVA_AWT_WM_NONREPARENTING=1'
     wmname = "LG3D"
 
     def initialize(self):