X11

http://www-lehre.img.bio.uni-goettingen.de/edv/Einf_Inf/x11konf.htm

get window size

[~ ]: xwininfo 

xwininfo: Please select the window about which you
          would like information by clicking the
          mouse in that window.

xwininfo: Window id: 0x6000003 "Terminal - "

  Absolute upper-left X:  0
  Absolute upper-left Y:  24
  Relative upper-left X:  0
  Relative upper-left Y:  24
  Width: 1600
  Height: 876
  Depth: 32
  Visual: 0x198
  Visual Class: TrueColor
  Border width: 0
  Class: InputOutput
  Colormap: 0x6000002 (not installed)
  Bit Gravity State: NorthWestGravity
  Window Gravity State: NorthWestGravity
  Backing Store State: NotUseful
  Save Under State: no
  Map State: IsViewable
  Override Redirect State: no
  Corners:  +0+24  -0+24  -0-0  +0-0
  -geometry 158x46+0+0

xdotool

Fake keyboard and mouse input

• https://github.com/jordansissel/xdotool