What is the size of Gnome's top bar?

In order to run windowed programs at the maximum possible size I can set their resolution to the resolution of my monitor, but then there are several pixels off-screen below the window because the window is positioned below the Gnome Top Bar.

If I knew the size of the top-bar I could account for that, is there a way to find out what size it is exactly?

>Solution :

  1. Maximize an active window
  2. Then measure its size
  3. Apply the new calculated size on your target program window

Just a theory, not sure if wmctrl and xdotool are still working fine with Wayland.

user@Bee3:~/Desktop$ wmctrl -lG
0x01600003 -1 136  54   1168 699  Bee3 @!68,27;BDHF  <-- desktop may be
0x02a0000a  0 454  60   912  664  Bee3 user@Bee3: ~/Desktop
user@Bee3:~/Desktop$ wmctrl -lG
0x01600003 -1 136  54   1168 699  Bee3 @!68,27;BDHF
0x02a0000a  0 136  54   1168 699  Bee3 user@Bee3: ~/Desktop  <-- terminal window maximized

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