Joe Brochu wrote:

I am looking for an easy way to get system fonts and sizes for explicitly setting box sizes within a stack to dynamically accommodate various native OS's. Are there any shortcuts or global variables available within the Mozilla framework to reference this information?

I could probably create a piece of dummy text with no formatting and get numbers from there, but I'm hoping for something more elegant. I also don't want to redraw everything 3 times!

It's not clear what you're trying to do, but maybe you could add an extra layer to your stack (but with visibility: hidden; so that it doesn't paint) that includes your dummy text which will cause it to be the correct size.

I could also use something similar for getting scrollbar widths.

Perhaps you could include a xul:scrollbar element in your document and measure that?
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