Renamed lib/ to functions/ and renamed files inside of it.

functions/terminal.zsh

@@ -0,0 +1,40 @@
+# Dumb terminals lack support.
+if [[ "$TERM" == 'dumb' ]]; then
+  return
+fi
+
+# Fully supports GNU Screen, iTerm, and most modern xterm and rxvt terminals.
+# Partially supports Mac OS X Terminal since it can't set window and tab separately.
+# Usage: title "tab title" "window title"
+function title {
+  if [[ "$DISABLE_AUTO_TITLE" != 'true' ]]; then
+    if [[ "$TERM" == screen* ]]; then
+      # Set GNU Screen's hardstatus (usually truncated at 20 characters).
+      print -Pn "\ek$1:q\e\\"
+    elif [[ "$TERM" == xterm* ]] || [[ "$TERM" == rxvt* ]]; then
+      # Set the window title.
+      print -Pn "\e]2;$2:q\a"
+      # Set the tab title (will override window title on a broken terminal).
+      print -Pn "\e]1;$1:q\a"
+    fi
+  fi
+}
+
+# 15 character, left-truncated current working directory.
+ZSH_THEME_TERM_TAB_TITLE_IDLE="%15<..<%~%<<"
+ZSH_THEME_TERM_TITLE_IDLE="%n@%m: %~"
+
+# Set the tab and window titles before the prompt is displayed.
+function precmd {
+  title "$ZSH_THEME_TERM_TAB_TITLE_IDLE" "$ZSH_THEME_TERM_TITLE_IDLE"
+}
+
+# Set the tab and window titles before command execution.
+function preexec {
+  emulate -L zsh
+  setopt extended_glob
+  # Command name only, or if this is sudo or ssh, the next command.
+  local CMD=${1[(wr)^(*=*|sudo|ssh|-*)]}
+  title "$CMD" "%100>...>$2%<<"
+}
+