I have an editor grid with a combobox for one column. By default, it looks like in order to show the list of options in the combobox, a user has to click once to activate the editor and show the combobox, and then click again to open the combobox list so that they can select an option. I would like to have this only require a single click. My ideas are to:
a) show the combobox on mouseover for the cells
b) auto-expand the dropdown list when the user clicks a cell to show the combobox editor

I would prefer option (a), but are either of these possible? I have searched the forums a lot, and tried a few different ways of adding a listener to the combobox to call the expand() method after it is shown, but it did not work. Any other ideas?