code / scripts

   1 #!/usr/bin/env bash
   2 
   3 # a i3-like scratchpad for arbitrary applications.
   4 #
   5 # this lets a new monitor called "scratchpad" appear in from the top into the
   6 # current monitor. There the "scratchpad" will be shown (it will be created if
   7 # it doesn't exist yet). If the monitor already exists it is scrolled out of
   8 # the screen and removed again.
   9 #
  10 # Warning: this uses much resources because herbstclient is forked for each
  11 # animation step.
  12 #
  13 # If a tag name is supplied, this is used instead of the scratchpad
  14 
  15 tag="${1:-scratch}"
  16 hc() { herbstclient "$@"; }
  17 
  18 read -r x y w h <<EOF
  19 $(hc monitor_rect)
  20 EOF
  21 rect=$((w/2))x$((h/2))+$((x+w/4))+$((y+h/4))
  22 monitor=scratch
  23 
  24 hc add "$tag"
  25 if ! hc add_monitor "$rect" "$tag" $monitor 2>/dev/null; then
  26     hc substitute M monitors.by-name."$monitor".my_prev_focus \
  27         and + compare monitors.focus.name = "$monitor" \
  28             + focus_monitor M
  29     hc remove_monitor "$monitor"
  30 else
  31     # remember which monitor was focused previously
  32     hc chain \
  33         , new_attr string monitors.by-name."$monitor".my_prev_focus \
  34         , substitute M monitors.focus.index \
  35             set_attr monitors.by-name."$monitor".my_prev_focus M
  36     hc chain , lock , raise_monitor "$monitor" , focus_monitor "$monitor" \
  37         , unlock , lock_tag "$monitor"
  38 fi