Add Qtile widget

docs/source/overview.rst

@@ -179,3 +179,23 @@ Then add the ``powerline_widget`` to your ``wibox``:
 .. code-block:: lua
 
    right_layout:add(powerline_widget)
+
+Qtile widget
+------------
+
+Add the following to your :file:`~/.config/qtile/config.py`:
+
+.. code-block:: python
+
+   from powerline.bindings.qtile.widget import Powerline
+
+   screens = [
+       Screen(
+           top=bar.Bar([
+                   # ...
+                   Powerline(timeout=2),
+                   # ...
+               ],
+           ),
+       ),
+   ]

powerline/bindings/qtile/widget.py

@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+
+from libqtile import bar
+from libqtile.widget import base
+
+from powerline.core import Powerline as PowerlineCore
+
+
+class Powerline(base._TextBox):
+	def __init__(self, timeout=2, text=" ", width=bar.CALCULATED, **config):
+		base._TextBox.__init__(self, text, width, **config)
+		self.timeout_add(timeout, self.update)
+		self.powerline = PowerlineCore(ext='wm', renderer_module='pango_markup')
+
+	def update(self):
+		self.text = self.powerline.renderer.render(side='right')
+		self.bar.draw()
+
+	def cmd_update(self, text):
+		self.update(text)
+
+	def cmd_get(self):
+		return self.text
+
+	def _configure(self, qtile, bar):
+		base._TextBox._configure(self, qtile, bar)
+		self.layout = self.drawer.textlayout(
+			self.text,
+			self.foreground,
+			self.font,
+			self.fontsize,
+			self.fontshadow,
+			markup=True)