Active Font and Size box in mail editor

There have to be two boxes in editor tool bar.
One for Font name and second for Font size. It will be more comfortable to change font/size of written text.
Current font/size of text under cursor would be shown in the box.

MS Word and a lot of editors use this way of displaying/changing font
Here is layout draft

There could be another buttons for Bold, Italic over there.

And MS Word has it like this