Checkboxes in a combobox popup

[Werner Lehmann]

Hi,

I am displaying checkboxes in the popup of a combobox via custom cell 
factory. Only problem is that a click on the checkbox actually hides the 
popup, even before that checkbox was selected. As I can see, the 
combobox skin has a MOUSE_PRESSED event filter which hides the popup.

Current workaround is:
- get the listview from the combobox skin
- set a MOUSE_PRESSED filter on its parent
- in the filter detect a click on a checkbox (sets a flag)
- override combobox.hide, ignore the hide if the flag was set before

The other workaround is to make listview think that the click was on a 
scrollbar by adding "track" to the styleclasses of all checkbox skin 
nodes. Then the listview would ignore the click, too.

Both options seem to be... less optimal. Any other idea?

Rgds
Werner