.tmux.conf

set -g mouse on
set -g history-limit 100000
set -s escape-time 0
set -g default-command $SHELL

unbind -T copy-mode MouseDrag1Pane
unbind -T copy-mode MouseDragEnd1Pane
unbind -T copy-mode DoubleClick1Pane
unbind -T copy-mode TripleClick1Pane

unbind -T root -a
bind -T root MouseDown1Pane select-pane
bind -T root MouseDown1Status select-window -t =
bind -T root MouseDrag1Border resize-pane -M
bind -T root WheelUpPane copy-mode -e \; send-keys -X -N 5 scroll-up
bind -T root WheelUpStatus previous-window
bind -T root WheelDownStatus next-window

bind -T root F12  \
    set prefix None \; \
    set key-table off
bind -T off F12 \
    set -u prefix \; \
    set -u key-table