[zsh,tmux] Set the tmux window name from the ZSH prompt

tmux.conf

@@ -15,6 +15,7 @@ set -g visual-bell off
 # Pass xterm titles through
 set -g set-titles on
 set -g set-titles-string "#T"
+set -g allow-rename on
 
 # Use vi keys for copy mode
 set -g mode-keys vi
@@ -30,26 +31,30 @@ set -g status-left-style bg=green,fg=black
 set -g status-right "#[bg=red,fg=white] #h #[bg=blue,fg=white] %H:%M %Y-%m-%d #[default]"
 
 # Start window and pane indexing from 1 instead of 0
-set-option -g base-index 1
+set -g base-index 1
-set-option -g pane-base-index 1
+set -g pane-base-index 1
 
 # Tabs like this: "(<index>:<window_name>)"
-setw -g window-status-style "fg=white,bg=black"
+set -g window-status-style "fg=white,bg=black"
-setw -g window-status-format " #I #W "
+set -g window-status-format " #I #W "
-setw -g window-status-current-style "fg=white,bg=blue"
+set -g window-status-current-style "fg=white,bg=blue"
-setw -g window-status-current-format " #I #W "
+set -g window-status-current-format " #I #W "
-setw -g window-status-separator ""
+set -g window-status-separator ""
 
-setw -g window-status-bell-style "bg=red"
+set -g window-status-bell-style "bg=red"
-setw -g window-status-activity-style "bg=red"
+set -g window-status-activity-style "bg=red"
 
-setw -g alternate-screen on
+set -g alternate-screen on
 
-setw -g clock-mode-style 24
+set -g clock-mode-style 24
 
 # Lock the screen after 120 seconds
-set-option -g lock-after-time 0 
+set -g lock-after-time 0 
-set-option -g lock-command "tmux clock-mode"
+set -g lock-command "tmux clock-mode"
+
+#
+# KEY BINDINGS
+#
 
 bind-key C-a last-window
 # TODO: Decide if this should have a -n (allow invoking the command without the leader).

zsh/func/prompt_loquacious_setup

@@ -27,10 +27,12 @@ function prompt_loquacious_setup
 
     add-zsh-hook chpwd set_repo_name
     add-zsh-hook precmd set_xterm_title
+    add-zsh-hook precmd set_tmux_window_name
     add-zsh-hook precmd print_newline
     add-zsh-hook precmd set_prompt_info
 
     add-zsh-hook preexec print_newline
+    add-zsh-hook preexec set_tmux_window_name
 
     prompt_opts=(cr subst percent)
 
@@ -80,13 +82,13 @@ function set_repo_name
 
 function set_prompt_info
 {
-    PS1_HISTORY="`prompt_colorize -b -f 'green' '%h'`"
+    PS1_HISTORY="%F{green}%H%f"
-    PS1_NAME="`prompt_colorize -f 'magenta' '%n'` "
+    PS1_NAME="%F{magenta}%n%f "
-    PS1_CWD="in `prompt_colorize -f 'green' '%~'` "
+    PS1_CWD="in %F{green}%~%f "
-    PS1_STATUS="%(?..`prompt_colorize -b -f 'red' '!'`) "
+    PS1_STATUS="%(?..%F{red}!%f) "
 
-    if [[ -n "$SSH_CONNECTION" ]]; then
+    if [[ -n "$SSH_CONNECTION" && "$TERM_PROGRAM" -ne "tmux" ]]; then
-        PS1_HOST="at `prompt_colorize -f 'red' '%m'` "
+        PS1_HOST="at %F{red}%m%f "
     else
         PS1_HOST=''
     fi
@@ -106,22 +108,23 @@ function set_prompt_info
     fi
 
     # Show background job count if any exist.
-    RPS1="%(1j.[`prompt_colorize -f 'magenta' '%j'`].)"
+    RPS1="%(1j.[%F{magenta}%j%f].)"
 
-    PS1_LINE='%# '
+    PS1_LINE='%(!.%F{red}.%F{default})%#%f '
 }
 
 function set_xterm_title
 {
-    local title=''
+    local tmux_session_name=''
-
+    local title='%n@%m'
     if [[ -n "$TMUX" ]]; then
-        title+="`tmux display-message -p '#S'`: "
+        local tmux_session_name=`tmux display-message -p '#S'`
+        title+=" (${tmux_session_name})"
     fi
 
     # Set xterm and screen titles
     if [[ -n "$DISPLAY" || -n "$TERM_PROGRAM" ]]; then
-        print -Pn "\e]2;%n@%m\a"
+        print -Pn "\e]2;${title}\a"
     fi
 
     # For Apple Terminal.app, add a link to the current directory.
@@ -130,6 +133,20 @@ function set_xterm_title
     fi
 }
 
+function set_tmux_window_name
+{
+    if [[ -z "$TMUX" ]]; then
+        return
+    fi
+
+    local process="${${(z)1}[1]}"
+    if [[ -n "$process" ]]; then
+        tmux rename-window "$process"
+    else
+        tmux rename-window "`print -Pn "%2~"`"
+    fi
+}
+
 function set_zle_mode_info
 {
     if [[ -z "$1" || "$1" == 'viins' || "$1" == 'main' ]]; then