[GRASS-git] [OSGeo/grass] 1ad080: add ComboBox event handler (#363)

[Anna Petrasova]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: 1ad0804721bcb06dc8e6090f666cb4ad1ef08425
      https://github.com/OSGeo/grass/commit/1ad0804721bcb06dc8e6090f666cb4ad1ef08425
  Author: Anna Petrasova <kratochanna at gmail.com>
  Date:   2020-03-05 (Thu, 05 Mar 2020)

  Changed paths:
    M gui/wxpython/gui_core/forms.py

  Log Message:
  -----------
  add ComboBox event handler (#363)

fixes #3502, this needed because of inconsistencies between
platforms with wxpython/wxwidgets event handling for ComboBox