wxGUI: combobox in dialog read only

(merge from devbr6, https://trac.osgeo.org/grass/changeset/33764)


git-svn-id: https://svn.osgeo.org/grass/grass/trunk@33765 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gui_modules/menuform.py

@@ -1077,7 +1077,7 @@ class cmdPanel(wx.Panel):
                                         flag=wx.ADJUST_MINSIZE | wx.TOP | wx.RIGHT | wx.LEFT, border=5)
                         cb = wx.ComboBox(parent=which_panel, id=wx.ID_ANY, value=p.get('default',''),
                                          size=globalvar.DIALOG_COMBOBOX_SIZE,
-                                         choices=valuelist, style=wx.CB_DROPDOWN)
+                                         choices=valuelist, style=wx.CB_DROPDOWN | wx.CB_READONLY)
                         if p.get('value','') != '':
                             cb.SetValue(p['value']) # parameter previously set
                         which_sizer.Add( item=cb, proportion=0,