npm

xwininfo

Print window properties and geometry on X11 servers.

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About

Print information about windows on an X server

Commands

xwininfo

Examples

get window size and position$ xwininfo
find window ID by clicking on it$ xwininfo -id $(xdotool getactivewindow)
show all properties of a specific window$ xwininfo -id 0x4a00001 -all
get window tree and hierarchy information$ xwininfo -root -tree
display pixel coordinates and color under cursor$ xwininfo -pixel