__init__.py Added

@@ -0,0 +1,62 @@
+"""
+Simple base classes that can be used for multiple plugins.
+"""
+
+
+import gi
+gi.require_version('Notify', '0.7')
+from gi.repository import Notify
+
+from libqtile.configurable import Configurable
+from libqtile.command import lazy
+
+
+class Notifier(Configurable):
+    """
+    This is a base class for classes with methods that are to be executed upon key
+    presses and that generate pop-up notifications.
+    """
+    _is_initted = False
+
+    defaults = [
+        ('summary', 'Notifier', 'Notification summary.'),
+        ('timeout', -1, 'Timeout for notifications.'),
+    ]
+
+    def __init__(self, **config):
+        if not Notifier._is_initted:
+            Notifier._is_initted = True
+            Notify.init('Qtile')
+
+        Configurable.__init__(self)
+        self.add_defaults(Notifier.defaults)
+        self._notifier = None
+
+    def __getattr__(self, name):
+        """
+        Using this, we can get e.g. Mpc.lazy_toggle which is the equivalent of
+        lazy.function(Mpc.toggle), which is more convenient for setting keybindings.
+        """
+        if name.startswith('lazy_'):
+            return lazy.function(getattr(self, name[5:]))
+        return Configurable.__getattr__(self, name)
+
+    @property
+    def notifier(self):
+        if self._notifier is None:
+            self._notifier = Notify.Notification.new(self.summary, '')
+            self._notifier.set_timeout(self.timeout)
+        return self._notifier
+
+    def set_timeout(self, timeout):
+        self.notifier.set_timeout(timeout)
+        self.timeout = timeout
+
+    def show(self):
+        self.notifier.show()
+
+    def hide(self):
+        self.notifier.hide()
+
+    def update(self, body):
+        self.notifier.update(self.summary, body)