[ icewm-Bugs-3509732 ] empty systray space when trayed application state changes

Bugs item #3509732, was opened at 2012-03-21 06:59
Message generated for change (Tracker Item Submitted) made by denispr
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Denis Prost (denispr)
Assigned to: Nobody/Anonymous (nobody)
Summary: empty systray space when trayed application state changes

Initial Comment:
if one application that sits in the systray changes its state and, so, has to display a new icon instead of the old one, the new icon appears on the right of the systray and the place where the old icon was stays empty. So, after several changes, the systray size grows and grows with more and more empty space.
The expected behaviour would be that the old icon is simply replaced by the new one at the same place.
Example on a netbook : 
1) configure xfce4-power-manager to always appear in the systray (run xfce4-power-manager-settings)
2) start xfce4-power-manager with AC power on and battery plugged in
3) unplug the battery 
you'll see the above described behaviour : an empty space appears at the place where xfce4-power-manager icon was, while the icon corresponding to the new state appears on the rignt.

this is on a debian squeeze linux system with icewm  1.3.7~pre2-1 and xfce4-power-manager  0.8.5-2

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