xwin-tools/xlock

   1 #!/bin/bash
   2
   3 true <<EOF
   4 =pod
   5
   6 =head1 NAME
   7
   8 xlock - Lock X11 screen by disable (enable) input devices
   9
  10 xunlock - Unlock X11 screen by disable (enable) input devices
  11
  12 =cut
  13
  14 EOF
  15
  16
  17 if expr "$0" : .*unlock >/dev/null
  18 then
  19         xinputs_enable=1
  20         xsetroot=(-cursor_name left_ptr)
  21 else
  22         xinputs_enable=0
  23         #xsetroot=(-cursor_name bogosity)
  24 fi
  25
  26 xinput_enable_disable()
  27 {
  28         local xinputs_enable=$1
  29         local device_id
  30         for device_id in $2
  31         do
  32                 xinput set-int-prop "$device_id" "Device Enabled" 8 $xinputs_enable 2>/dev/null
  33                 xinput list-props "$device_id" | sed -ne "1p;/Device Enabled/p"
  34         done
  35 }
  36
  37 set_xinputs()
  38 {
  39         echo "$0: DISPLAY=$DISPLAY" >&2
  40
  41         if [ $xinputs_enable = 1 ]
  42         then
  43                 device_ids=`xinput list --id-only`
  44                 xinput_enable_disable "$xinputs_enable" "$device_ids"
  45
  46                 run-parts ~/.local/share/xunlock.d
  47         else
  48                 export -f xinput_enable_disable
  49
  50                 device_ids=`xinput list | grep -vw core | sed -ne "s/.*id=\([0-9]\+\).*/\1/p"`
  51                 set-xcursor-lock-and-run bash -c "xinput_enable_disable $xinputs_enable '$device_ids'"
  52
  53                 run-parts ~/.local/share/xlock.d
  54         fi
  55
  56         if [ -n "$xsetroot" ]
  57         then
  58                 xsetroot "${xsetroot[@]}"
  59         fi
  60 }
  61
  62 if [ -z "$DISPLAY" ]
  63 then
  64         echo "$0: all Xorg displays ..." >&2
  65         for DISPLAY in `xdpys`
  66         do
  67                 export DISPLAY
  68                 set_xinputs
  69         done
  70 else
  71         set_xinputs
  72 fi