Custom headers organization in ListCtrl or another widget in wxPython

Question

I've written code for ListCtrl in wxPython:

...
self.list_ctrl = wx.ListCtrl(panel, size=(-1,150), style=wx.LC_REPORT|wx.BORDER_SUNKEN)
self.list_ctrl.InsertColumn(0, 'Name')
self.list_ctrl.InsertColumn(1, 'Old value')
self.list_ctrl.InsertColumn(2, 'New value')
self.list_ctrl.InsertColumn(3, 'Old percent')
self.list_ctrl.InsertColumn(4, 'New percent')
...

But I want to get the ListCtrl (or another widget) with following headers organization:

I think that It hardy to solve this problem using ListCtrl, may be use another widget in wxPython?

Answer 1

As I pointed out on the wxPython mailing list where you cross-posted, the ListCtrl does not offer this capability. You might be able to do this with the Grid control (wx.grid.Grid) using column spanning techniques and your own sorting algorithms. You may be able to hack UltimateListCtrl to do this since it's pure Python instead of a wrapped C++ object, but that will be a non-trivial patch / hack.

Probably the best approach would be to roll your own widget. There are examples of custom widgets in the wxPython wiki, the wxPython demo and on their mailing list.