[Qt-interest] QTreeView, additional images

[Andre Somers]

Op 26-4-2011 1:27, Thomas Ehrnhoefer schreef:
> Hi
>
> I have a TreeViewer, and I would like to have additional images 
> available. I don't want multiple columns, just additional decorations 
> (images) to (some) of the items (e.g. a "changed" indicator). An 
> example would be http://oboedit.org/docs/images/tree_view_single.png
>
> Since I am new to Qt, I am wondering what the best way (if there is 
> any) to do this would be. Most likely some custom drawing I assume, 
> but I am unsure on how/where to start.
>
> Any hints are very welcome
You can do custom drawing using a delegate, but you could also think 
about combining your images into a single image to be used for 
decoration before drawing. If you cache these combinations, it would not 
even need to be slow.

André