diff options
-rw-r--r-- | src/caribou/window.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/caribou/window.py b/src/caribou/window.py index e3979dd..c06994a 100644 --- a/src/caribou/window.py +++ b/src/caribou/window.py @@ -110,6 +110,8 @@ class CaribouWindowTransparent(CaribouWindow): self.connect('map-event', self._onmapped) self._position = (0, 0) self.max_distance = max_distance + if max_alpha < min_alpha: + raise ValueError, "min_alpha can't be larger than max_alpha" self.min_alpha = min_alpha self.max_alpha = max_alpha @@ -119,9 +121,10 @@ class CaribouWindowTransparent(CaribouWindow): def _onmapped(self, obj, event): if self.is_composited(): - # Don't waste CPU if we are not composited. - glib.timeout_add(80, self._proximity_check) self.set_opacity(self.max_alpha) + if self.max_alpha != self.min_alpha: + # Don't waste CPU if the max and min are equal. + glib.timeout_add(80, self._proximity_check) def _proximity_check(self): x, y = self.get_pointer() |