mouse toggle settings

.tmux.conf

# disable mouse control by default - change 'off' to 'on' to enable by default.
setw -g mode-mouse off
set-option -g mouse-resize-pane off
set-option -g mouse-select-pane off
set-option -g mouse-select-window off
# toggle mouse mode to allow mouse copy/paste
# set mouse on with prefix m
bind m \
    set -g mode-mouse on \;\
    set -g mouse-resize-pane on \;\
    set -g mouse-select-pane on \;\
    set -g mouse-select-window on \;\
    display 'Mouse: ON'
# set mouse off with prefix M
bind M \
    set -g mode-mouse off \;\
    set -g mouse-resize-pane off \;\
    set -g mouse-select-pane off \;\
    set -g mouse-select-window off \;\
    display 'Mouse: OFF'