mhmm.. disregard these patches for now, instead of creating a custom
class we can use the delegate from the tooltip (like in the second patch)
and i want to check the performance of the second patch before it get's applied
(if it's too bad, we can apply the technique only for the scope we need)
and exclude the tags for that, since we want the tags to have their own
tooltips
Signed-off-by: Dominik Csapak
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not really sure if we want to do this, since creating a custom tree
column type just for that seems overkill. also we have to touch private
properties of that here to change it which
