run
$ sudo apt-get install build-essential libgtk-3-dev libwnck-3-dev meson
run
$ meson build
then run
$ ninja -C build
or run
cd build
ninja
run
$ ./wnck-win-info
run
$ ./wnck-win-info | grep '^application_name: Terminal' -A 3
show
application_name: Terminal
window_name: Terminal
window_class: Gnome-terminal
window_xid: 86166045
--
application_name: Terminal
window_name: Terminal
window_class: Gnome-terminal
window_xid: 86025324