various unix utilities to interface with browser

com/isoterminal.js

@@ -82,7 +82,30 @@ AFRAME.registerComponent('isoterminal', {
     //var term = new Terminal()
     //term.open(dom)
     //term.write('Hello from \x1B[1;3;31mxterm.js\x1B[0m $ ')``
+    if( typeof Terminal == undefined ) throw 'xterm terminal not loaded'
+    // monkeypatch Xterm (which V86 initializes) so we can add our own constructor args 
+    window._Terminal = window.Terminal 
+    window.Terminal = function(opts){
+      const term = new window._Terminal({ ...opts,
+        cursorBlink:true,
+        onSelectionChange: function(e){
+          debugger
+        }
+      })
 
+      term.onSelectionChange( () => {
+        document.execCommand('copy')
+        term.select(0, 0, 0)
+        instance.setStatus('copied to clipboard')
+      })
+      return term
+    }
+
+    instance.setStatus = (msg) => {
+      const w = instance.winbox
+      w.titleBak = w.titleBak || w.title
+      instance.winbox.setTitle( `${w.titleBak} [${msg}]` )
+    }
 
     var emulator = window.emulator = dom.emulator = new V86({
       wasm_path:        "com/isoterminal/v86.wasm",
@@ -157,7 +180,9 @@ AFRAME.registerComponent('isoterminal', {
       "com/isoterminal/mnt/confirm",
       "com/isoterminal/mnt/prompt",
       "com/isoterminal/mnt/alert",
+      "com/isoterminal/mnt/hook",
       "com/isoterminal/mnt/profile",
+      "com/isoterminal/mnt/profile.js",
       "com/isoterminal/mnt/motd",
     ]
 

com/isoterminal/mnt/alert

@@ -1,2 +1,2 @@
 #!/bin/sh
-jsh alert "$1"
+echo "$(printf "\033[0m")[i] $1 $(printf "\033[0m")"

com/isoterminal/mnt/confirm

@@ -1,10 +1,4 @@
 #!/bin/sh
-test -f /mnt/V86 && {
-  jsh confirm $1 $2 
-}
-
-test -f /mnt/V86 || {
 read -p "$(printf "\033[0m")[?] $1 [y/n] $(printf "\033[0m")" y
 test $y = y && echo true && exit
 echo false
-}

com/isoterminal/mnt/gui

@@ -1,7 +0,0 @@
-PS3="Enter a number: "
-
-select character in Sheldon Leonard Penny Howard Raj
-do
-    echo "Selected character: $character"
-    echo "Selected number: $REPLY"
-done

com/isoterminal/mnt/hook

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+test -z $1 && { echo "usage: hook <cmd_or_jsfunction> [args]"; exit 0; } 
+
+cmd=$1
+shift 
+
+test -d ~/hook.d/$cmd && {
+  chmod +x ~/hook.d/$cmd/*
+  find ~/hook.d/$cmd/ -type f -executable | while read hook; do 
+    $hook "$@" || true 
+  done
+}
+
+#test $BROWSER = 1 && {

com/isoterminal/mnt/js

@@ -1,5 +1,16 @@
 #!/bin/sh
-flock /dev/browser/js -c "echo '$*' > /dev/browser/js; cat /dev/browser/js"
+test -z $1 && { echo "Usage: js 'somefunction(1)'"; exit 0; }
+
+javascript="$*"
+
+# if we are run as shebang, use the file as input
+case "$1" in 
+  */*) javascript="$(cat $1 | tail +2)"
+       ;;
+esac
+
+
+flock /dev/browser/js -c "echo '$javascript' > /dev/browser/js; sleep 0.5; cat /dev/browser/js"
 
 # we use flock, an awesome way to make processes read/write the same file
-# whilr preventing 1001 concurrency issues
+# while preventing 1001 concurrency issues

com/isoterminal/mnt/jsh

@@ -7,11 +7,31 @@ to_js(){
   printf "%s(" "$1"
   shift
   for arg in "$@"; do
+    case "$arg" in
+      (*[\.0-9]*) 
+        printf '%s,' "$arg"
+        ;;
+      (*)
 	printf '"%s",' "$arg"
+        ;;
+    esac
   done
   printf ")\n"
 }
 
+# run argument as js
+test -z $1 || {
   func=$(to_js "$@")
   func=${func/,)/)}
-/mnt/js "$func"
+  js "$func"
+}
+
+# otherwise start repl
+while true; do
+  echo -n "$(printf "\033[0m")jsh> $(printf "\033[0m")"
+  read input
+  test $input = exit && exit
+  js "$input"
+done
+
+

com/isoterminal/mnt/profile

@@ -1,16 +1,34 @@
 install_xrsh(){
-  chmod +x /mnt/confirm /mnt/prompt /mnt/alert /mnt/js*
+
+  setup_binaries(){
+    for bin in /mnt/prompt /mnt/alert /mnt/confirm /mnt/hook /mnt/js*; do 
+      chmod +x $bin
+      ln -s $bin /bin/.
+    done
+  }
 
   setup_browser_dev(){
     mkdir -p /mnt/dev/browser
     touch /mnt/dev/browser/js
     touch /mnt/dev/browser/html
+    touch /mnt/dev/browser/console
     ln -s /mnt/dev/browser /dev/browser
     test -f /etc/profile && rm /etc/profile
     ln -s /mnt/profile /etc/profile
   }
 
+  setup_hook_dirs(){ # see /mnt/hook for usage
+    mkdir -p ~/hook.d/alert  
+    mkdir -p ~/hook.d/confirm  
+    mkdir -p ~/hook.d/prompt  
+    echo -e "#!/bin/sh\necho yo"          > ~/hook.d/alert/yo
+    echo -e "#!/bin/js\nalert('yo')"      > ~/hook.d/alert/yo.js
+    echo -e "#!/usr/bin/lua\nalert('yo')" > ~/hook.d/alert/yo.lua
+  }
+
+  setup_binaries
   setup_browser_dev
+  setup_hook_dirs
 }
 
 test -d /dev/browser || install_xrsh
@@ -21,9 +39,20 @@ test -f /mnt/V86 && {
   echo 0 > /proc/sys/kernel/printk
 }
 
+## forward not-found commands to javascript (via jsh)
+command_not_found_handle(){
+  echo "$1 not found"
+  alert "did you mean $1(...) (javascript?)"
+  alert "TIP: run 'jsh $1 hello' to run $1('hello')"
+  alert "     or simply 'jsh' for a js console"
+}
+
+# source javascript functions
+#js "$(cat /mnt/profile.js)"
+
 resize
 #clear 
 cat /mnt/motd
 export PATH=$PATH:/mnt
 export PS1="\nxrsh # \033[0m"
-
+export BROWSER=0 # running inside v86 (wasm) will set this to 1

com/isoterminal/mnt/profile.js

@@ -0,0 +1,3 @@
+window.helloworld = function(){
+  alert("hello world")
+}

com/isoterminal/mnt/prompt

@@ -1,9 +1,3 @@
 #!/bin/sh
-test -f /mnt/V86 && {
-  jsh prompt "$1" "$2" 
-}
-
-test -f /mnt/V86 || {
 read -p "$(printf "\033[0m")[?] $1: $(printf "\033[0m")" answer
 echo "$answer"
-}