When resizing a window, the area between the area of the current window and the area of the resized window is colored gray. I would like to either change its color to black, or to not draw it at all.
I'm not sure how to call this gray area, I have tried searching for terms that I deem similar but those searches didn't turn up any results. If you know a better term for this gray area, please edit the question. I'm running a default install of Raspbian.
On the Openbox wiki one can read the following:
drawContents Resize the program inside the window while resizing. When disabled the unused space will be filled with a uniform color during a resize. [link]
How does one set this uniform color of the unused space?