Re: Keeping tree rows selected during a pop-up menu

[Murray Cumming <murrayc murrayc com>]

On Thu, 2007-11-08 at 16:54 -0500, Matt Bragano wrote:
> I have a TreeView that allows multiple selections.  When multiple 
> selections are made and the user right-clicks, a pop-up menu appears 
> where the user can choose to add the selected files to a play list.  My 
> problem is that whenever the right mouse button is released and the menu 
> appears the selections are unselected, which makes the option to add 
> selected files useless from the pop-up menu  (although it still works 
> fine from the standard menu bar).

If you are overriding on_button_press_event(), maybe you need to call
the base class's on_button_press_event().

> So I'm wondering how I can maintain the selection after the TreeView 
> itself loses focus to the pop-up menu.  I messed around with 
> TreeSelection::set_select_function() but I was unable to make the 
> callback slot behave properly. 

-- 
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