vis-clipboard

   1 #!/bin/sh
   2
   3 # Copyright (C) 2016 Richard Burke, ISC licensed
   4
   5 vc_fatal() {
   6         echo "$@" >&2
   7         exit 1
   8 }
   9
  10 vc_usage() {
  11         vc_fatal "`basename $0` [--selection sel] [--usable|--copy|--paste]"
  12 }
  13
  14 vc_determine_command() {
  15         if [ -n "$WAYLAND_DISPLAY" ]; then
  16                 for c in wl-copy wl-paste; do
  17                         if type "$c" >/dev/null 2>&1; then
  18                                 echo "wlclipboard"
  19                                 return 0
  20                         fi
  21                 done
  22         fi
  23
  24         if [ -n "$DISPLAY" ]; then
  25                 for c in xclip xsel; do
  26                         if type "$c" >/dev/null 2>&1; then
  27                                 echo "$c"
  28                                 return 0
  29                         fi
  30                 done
  31         fi
  32
  33         if [ "$sel" = "primary" ]; then
  34                 vc_fatal "clipboard primary selection is not supported on your platform"
  35         fi
  36
  37         if type pbcopy >/dev/null 2>&1; then
  38                 echo 'mac'
  39                 return 0
  40         fi
  41
  42         if [ -c /dev/clipboard ]; then
  43                 echo 'cygwin'
  44                 return 0
  45         fi
  46
  47         return 1
  48 }
  49
  50 vc_usable() {
  51         if vc_determine_command >/dev/null 2>&1; then
  52                 exit 0
  53         fi
  54
  55         exit 1
  56 }
  57
  58 vc_copy() {
  59         COPY_CMD="`vc_determine_command 2>/dev/null`"
  60
  61         if [ $? -ne 0 ] || [ -z "$COPY_CMD" ]; then
  62                 vc_fatal 'System clipboard not supported'
  63         fi
  64
  65         vc_${COPY_CMD}_copy
  66
  67         exit $?
  68 }
  69
  70 vc_paste() {
  71         PASTE_CMD="`vc_determine_command 2>/dev/null`"
  72
  73         if [ $? -ne 0 ] || [ -z "$PASTE_CMD" ]; then
  74                 vc_fatal 'System clipboard not supported'
  75         fi
  76
  77         vc_${PASTE_CMD}_paste
  78
  79         exit $?
  80 }
  81
  82 vc_wlclipboard_copy() {
  83         if [ "$sel" = "primary" ]; then
  84                 wl-copy --primary -t TEXT
  85         else
  86                 wl-copy -t TEXT
  87         fi
  88 }
  89
  90 vc_wlclipboard_paste() {
  91         if [ "$sel" = "primary" ]; then
  92                 wl-paste --primary -t text
  93         else
  94                 wl-paste -t text
  95         fi
  96 }
  97
  98 vc_xsel_copy() {
  99         xsel --"$sel" -bi
 100 }
 101
 102 vc_xsel_paste() {
 103         xsel --"$sel" -bo
 104 }
 105
 106 vc_xclip_copy() {
 107         xclip -selection "$sel" -i >/dev/null 2>&1
 108 }
 109
 110 vc_xclip_paste() {
 111         xclip -selection "$sel" -o
 112 }
 113
 114 vc_mac_copy() {
 115         pbcopy
 116 }
 117
 118 vc_mac_paste() {
 119         pbpaste
 120 }
 121
 122 vc_cygwin_copy() {
 123         cat >/dev/clipboard
 124 }
 125
 126 vc_cygwin_paste() {
 127         cat /dev/clipboard
 128 }
 129
 130 while [ $# -gt 0 ]; do
 131         case "$1" in
 132                 --usable) fn=vc_usable;;
 133                 --copy) fn=vc_copy;;
 134                 --paste) fn=vc_paste;;
 135                 --selection) shift; sel="$1";;
 136                 *) ;;
 137         esac
 138         shift
 139 done
 140
 141 sel=${sel:-"clipboard"} $fn
 142
 143 vc_usage