...
Grid.SetFocus (TCustomGrid.SetFocus INIT)
  TWinControl.SetFocus INIT
    TCustomForm.SetActiveControl INIT
      TcustomForm.SetWindowFocus INIT
        TGtk2WidgetSet.SetFocus INIT
          TWinControl.WndProc LM_SetFocus INIT (TStringGrid)
            TCustomForm.SetFocusedControl INI
              TCustomGrid.DoEnter INI
                DoEnter-Ext
                TCustomGrid.EditorShow INIT
                  TCustomGrid.DoEditorShow INIT
                    EditorPos;
                    Editor.SetFocus (TStringCellEditor.SetFocus INIT)
                      TWinControl.SetFocus
                        TCustomForm.SetActiveControl INIT
                          TCustomForm.SetWindowsFocus
                            TGtk2Widgetset.SetFocus
                              TWinControl.WndProc LM_SetFocus INIT (TStringCellEditor)
                                TCustomForm.SetFocusedControl INIT (Old=TStringGrid, New=TStringCellEditor)
                                TCustomForm.SetFocusedControl DONE (Control=TStringCellEditor)
                                ---Success---
                              TWinControl.WndProc LM_SetFocus DONE
                            TGtk2Widgetset.SetFocus DONE
                          TCustomForm.SetWindowFocus DONE
                        TCustomForm.SetActiveControl DONE
                      TWinControl.SetFocus DONE
                    Editor.Focused := TRUE;
                  TCustomGrid.DoEditorShow DONE
                TCustomGrid.EditorShow DONE
              TCustoGrid.DoEnter DONE
            TCustomGrid.SetFocusedControl DONE
            ---NOT SUCCESS---
          TWinControl.WndProc DONE
          -- COMO NO FUE SUCESS --
          TGtk2Widgetset.SetForegroundWindow
          gtk_widget_grab_focus INIT
            TWinControl.WndProc LM_SETFOCUS (TStringGrid)
            TCustomForm.SetFocusedControl INIT (Old=TStringCellEditor, New=TStringGrid)
            TCustomForm.SetFocusedControl DONE (Control=TStringGrid)
          gtk_widget_grab_focus DONE
        TGtk2WidgetSet.SetFocus DONE
      TCustomForm.SetWindowFocus DONE
    TCustomForm.SetActiveControl DONE
  TWinControl.SetFocus DONE
TCustomGrid.SetFocus DONE