tmouse

#!/bin/bash - 
#===============================================================================
#
#          FILE: tmouse
# 
#         USAGE: ./tmouse [on|off]
# 
#   DESCRIPTION: switch mouse on/off in current tmux session
# 
#       OPTIONS: ---
#  REQUIREMENTS: ---
#          BUGS: ---
#         NOTES: modifying tm_options array may be necessary depend on tmux ver.
#        AUTHOR: Marek Płonka (marekpl), marek.plonka@nask.pl
#  ORGANIZATION: NASK
#       CREATED: 22.09.2016 13:01:38
#      REVISION:  ---
#===============================================================================

set -o nounset                              # Treat unset variables as an error
set -e

tm_options=('mouse-select-pane' 'mouse-resize-pane' 'mouse-select-window')

switch_mouse() {
    tm_state=$(tmux show-option -qv $option)
    if [ -v $tm_state ]; then
        tmux set -q $option on
    else
        case $tm_state in
            on) tmux set -q $option off ;;
            off) tmux set -q $option on ;;
            *) echo "can not happen .." ;;
        esac    # --- end of case ---
    fi
}

for option in ${tm_options[@]}; do
    if [ $# -ge 1 ]; then
        case $1 in
            on|off) tmux set $option $1 ;;
            *) switch_mouse ;;
        esac
    else
        switch_mouse
    fi
done

unset -f switch_mouse