X-Git-Url: http://git.maemo.org/git/?a=blobdiff_plain;ds=sidebyside;f=src%2Futil%2Fqwrappers.py;h=df69f4199b3c15d5f6b1e205125427f67d71af33;hb=60a1e27f154a516ce3de1045f0550a54de342cc7;hp=8577e634896335e1215de0692801684ec1c01f9a;hpb=a33ea3a4f4ef862030bd2c6406fa3c1c44f0edad;p=ejpi

diff --git a/src/util/qwrappers.py b/src/util/qwrappers.py
index 8577e63..df69f41 100644
--- a/src/util/qwrappers.py
+++ b/src/util/qwrappers.py
@@ -74,6 +74,10 @@ class ApplicationWrapper(object):
 		raise NotImplementedError("Booh")
 
 	@property
+	def qapp(self):
+		return self._qapp
+
+	@property
 	def constants(self):
 		return self._constants
 
@@ -233,3 +237,27 @@ class WindowWrapper(object):
 	def _on_close_window(self, checked = True):
 		with qui_utils.notify_error(self._errorLog):
 			self.close()
+
+
+class AutoFreezeWindowFeature(object):
+
+	def __init__(self, app, window):
+		self._app = app
+		self._window = window
+		self._app.qapp.focusChanged.connect(self._on_focus_changed)
+		if self._app.qapp.focusWidget() is not None:
+			self._window.setUpdatesEnabled(True)
+		else:
+			self._window.setUpdatesEnabled(False)
+
+	def close(self):
+		self._app.qapp.focusChanged.disconnect(self._on_focus_changed)
+		self._window.setUpdatesEnabled(True)
+
+	@misc_utils.log_exception(_moduleLogger)
+	def _on_focus_changed(self, oldWindow, newWindow):
+		with qui_utils.notify_error(self._app.errorLog):
+			if oldWindow is None and newWindow is not None:
+				self._window.setUpdatesEnabled(True)
+			elif oldWindow is not None and newWindow is None:
+				self._window.setUpdatesEnabled(False)