How to see units in city when building list pops up?

[RobO]

When the build popup appears, prompting me for a selection of the next thing to build, I sorely miss the list of units in a city . It's the same list you get when clicking on a city (lower left, a row of small icons). I can't mouse over the city when that build popup is showing, so the only way to get it currently is to choose Examine city (thus wasting time). I need that list to decide if building a unit is necessary, and if so what unit I need in that city.

I'm tempted to look for

1. The place in the code where the appearance of the popup is scripted
2. The place in the code where the disappearance of the popup is scripted
3. What (method) to call to make the list of units appear
4. What (method) to call to make the list of units disappear

but I can't find them. This may be because the code is structured in a way that I'm unfamiliar with. I've checked the Python and xml files (but not in excruciating detail).

Can someone direct me in the proper direction?