Added title plugin.

plugins/title/title.plugin.zsh

@@ -0,0 +1,60 @@
+#!/bin/zsh
+
+setopt extended_glob
+
+function print_title() {
+    if [ -n "$SSH_CONNECTION" ]; then
+        print -Pn "(%n@%m) "
+    fi
+
+    print -Pn "$*"
+}
+
+# Define a title function per terminal
+case "$TERM" in
+# GNU Screen:
+( screen | screen.* | screen-* )
+    function title {
+        print -Pn "\ek"
+        print_title $*
+        print -Pn "\e\\"
+        print -Pn "\e]2;"
+        print_title $*
+        print -Pn "\a"
+    }
+;;
+
+# X terminals
+( *xterm* | *rxvt )
+    function title {
+        print -Pn "\e]2;"
+        print_title $*
+        print -Pn "\a"
+    }
+;;
+* )
+    function title {
+        # Unknown terminal, do nothing.
+    }
+esac
+
+# Override precmd function to display status code if non-zero and update title
+# with path, and hostname if remote
+function precmd {
+    # Get return code and display it if non-zero
+    retcode=$?
+    if [ $retcode -ne 0 ]; then
+        # TODO check termcap to see if we can use color
+        print -P "\e[01;31m -- Non zero exit: $retcode --\e[0m"
+    fi
+
+    # Show the current directory in title.
+    title "%~"
+}
+
+function preexec () {
+    emulate -L zsh
+    local -a cmd; cmd=(${(z)1})
+    title $cmd[1]:t "$cmd[2,-1]"
+}
+