From 1d62502fc8493a9cfd110231ff42df2db67682e3 Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Wed, 23 Oct 2024 23:09:05 +1300
Subject: Set window titles from Bash and tmux

---
 bash/bashrc.d/prompt.bash | 23 ++++++++++++++++++++++-
 tmux/tmux.conf            |  3 +++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/bash/bashrc.d/prompt.bash b/bash/bashrc.d/prompt.bash
index e0a03438..1bf3684e 100644
--- a/bash/bashrc.d/prompt.bash
+++ b/bash/bashrc.d/prompt.bash
@@ -14,8 +14,10 @@ prompt() {
                 PROMPT_DIRTRIM=4
             fi
 
-            # Prompt has hostname via SSH outside of screen/tmux
+            # Start building prompt
             PS1=
+
+            # Prompt has hostname via SSH outside of screen/tmux
             if [[ -n $SSH_CLIENT && -z $STY && -z $TMUX ]] ; then
                 PS1=$PS1'\h:'
             fi
@@ -39,6 +41,25 @@ prompt() {
             # Add terminating "$" or "#" sign
             PS1=$PS1'\$'
 
+            # Set xterm/rxvt window title for appropriate $TERMs
+            case $TERM in
+                xterm*|rxvt*)
+
+                    # Hard-code title-set terminfo sequences, as they're
+                    # missing from the xterm and xterm-256color definitions
+                    local tsl fsl
+                    tsl="\e]2;"
+                    fsl="\a"
+
+                    # Window title string can just be user@host:~/workdir
+                    local title
+                    title='\u@\h:\w'
+
+                    # Put it all together
+                    PS1="\[${tsl}${title}${fsl}\]"$PS1
+                    ;;
+            esac
+
             # Declare variables to contain terminal control strings
             local format reset
 
diff --git a/tmux/tmux.conf b/tmux/tmux.conf
index ad420528..b0091fd5 100644
--- a/tmux/tmux.conf
+++ b/tmux/tmux.conf
@@ -72,6 +72,9 @@ set-option -g escape-time 0
 # Don't interfere with my system clipboard
 set-option -g set-clipboard off
 
+# Set window titles
+set-option -g set-titles on
+
 # Only force individual windows to the smallest attached terminal size, not
 # whole sessions
 set-window-option -g aggressive-resize on
-- 
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