applets/taskmanager: set width/height to 0 when there is no task
The panel code should allow zero size in Layout.preferredWidth
and
Layout.preferredHeight
, so the task manager can shrink its size to
zero.
BUG: 453102 FIXED-IN: 5.26
applets/taskmanager: use layoutTimer to update layout
This reduces the glitches caused by layout().
BUG: 431615 FIXED-IN: 5.26
Edited by Fushan Wen