diff options
Diffstat (limited to 'xlib.py')
| -rw-r--r-- | xlib.py | 62 |
1 files changed, 62 insertions, 0 deletions
@@ -0,0 +1,62 @@ +#!/usr/bin/python3
+import Xlib
+import Xlib.display
+
+from zope import interface
+from interfaces import desktopEvent
+from threading import Thread
+
+from interfaces.message import IMessage, Debug
+from zope import component
+
+@interface.implementer(desktopEvent.IDesktop)
+class Listener(Thread):
+
+ def __init__(self, mapping, queue):
+ Thread.__init__(self)
+ self.queue = queue
+ self.mapping = mapping
+ self.active_window = None
+ self.last_code = None
+ self.running = False
+
+ def getForegroundWindowTitle(self):
+ """ Return the name of the selected window
+ """
+ return self.active_window
+
+ def run(self):
+ disp = Xlib.display.Display()
+ NET_WM_NAME = disp.intern_atom('_NET_WM_NAME')
+ WM_CLASS = disp.intern_atom('WM_CLASS')
+ NET_ACTIVE_WINDOW = disp.intern_atom('_NET_ACTIVE_WINDOW')
+ root = disp.screen().root
+ root.change_attributes(event_mask=Xlib.X.PropertyChangeMask)
+
+ component.handle(Debug("Waiting for xlib event"))
+ self.running = True
+ while self.running:
+ try:
+ window_id = root.get_full_property(NET_ACTIVE_WINDOW, Xlib.X.AnyPropertyType).value[0]
+ window = disp.create_resource_object('window', window_id)
+ window.change_attributes(event_mask=Xlib.X.PropertyChangeMask)
+ window_name = str(window.get_full_property(NET_WM_NAME, 0).value).lower()
+ class_name = str(window.get_full_property(WM_CLASS, 0).value).lower()
+ except Xlib.error.XError:
+ window_name = None
+ class_name = None
+
+ if window_name is not None and window_name != self.active_window:
+
+ self.active_window = window_name
+ for pattern, code in self.mapping.items():
+ if (pattern in window_name or pattern in class_name) and code != self.last_code:
+
+ component.handle(Debug("Switching to '%s' for '%s'" % (code, window_name)))
+ self.queue.put ( (code, None) )
+ self.last_code = code
+ break
+ event = disp.next_event()
+
+ def stop(self):
+ self.running = False
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