From a8e8bacdca1b7e2843c3d17bc6abdb2632d40c8e Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Wed, 8 Feb 2012 16:10:46 +0100
Subject: Grab devices

---
 LockWindow.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/LockWindow.py b/LockWindow.py
index 25d7546..c0751f4 100644
--- a/LockWindow.py
+++ b/LockWindow.py
@@ -50,6 +50,11 @@ class LockWindow(Gtk.Window):
 
         self.reset(True)
 
+        self.display = Gdk.Display.get_default()
+        self.deviceManager = self.display.get_device_manager()
+
+        self.unlockWindow.connect('map-event', self._grab_devices)
+
     def _logout(self):
         self.promptEntry.set_sensitive(False)
         self.unlockButton.set_sensitive(False)
@@ -99,6 +104,16 @@ class LockWindow(Gtk.Window):
     def setAuthMessage(self, message):
         self.messageLabel.set_label(message)
 
+    def _grab_devices(self, w, e):
+        for device in self.deviceManager.list_devices(Gdk.DeviceType.MASTER):
+            device.grab(self.unlockWindow.get_window(), Gdk.GrabOwnership.APPLICATION, False, Gdk.EventMask.ALL_EVENTS_MASK, None, Gdk.CURRENT_TIME)
+
+        return False
+
+    def _ungrab_devices(self):
+        for device in self.deviceManager.list_devices(Gdk.DeviceType.MASTER):
+            device.ungrab(Gdk.CURRENT_TIME)
+
     def lock(self):
         self.show_all()
         self.unlockWindow.show_all()
@@ -106,6 +121,8 @@ class LockWindow(Gtk.Window):
         self.promptEntry.grab_focus()
 
     def unlock(self):
+        self._ungrab_devices()
+
         self.unlockWindow.hide()
         self.hide()
 
-- 
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