My tmux config

.tmux.conf

set -g prefix `
bind \ split-window -h -c '#{pane_current_path}'
bind - split-window -v -c '#{pane_current_path}'
bind -r h select-pane -L
bind -r j select-pane -D
bind -r k select-pane -U
bind -r l select-pane -R
set -g base-index 1
setw -g mode-keys vi

bind Escape copy-mode
unbind p
bind p paste-buffer

# Toggle mouse on with ^B 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'
# Toggle mouse off with ^B 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'