Switch mouse mode on

.tmux.conf

@@ -16,7 +16,9 @@ set -g lock-after-time 0
 set -g lock-command "lock -np"
 set -g message-command-style fg=yellow,bg=black
 set -g message-style fg=black,bg=yellow
-set -g mouse off
+set -g mouse on
+set -g base-index 1
+set -g pane-base-index 1
 set -g prefix C-b
 set -g prefix2 None
 set -g renumber-windows off