Vimとtmuxのウィンドウを区別せずに移動したい

move_cursor_with_tmux.vim

function! MoveCursorWithTmux(vim_dir, tmux_dir)
    let old_winnr = winnr()
    execute "normal! \<C-w>" . a:vim_dir

    " フォーカスがうつってなかったら
    if old_winnr == winnr()
        silent call system('tmux select-pane -' . a:tmux_dir)
    endif
endfunction

for [vim_dir, tmux_dir] in [['h', 'L'], ['j', 'T'], ['k', 'D'], ['l', 'R']]
    execute printf("nnoremap <silent> <C-w>%s :<C-u>silent call MoveCursorWithTmux('%s', '%s')<CR>",
    \   vim_dir, vim_dir, tmux_dir)
endfor

set statusline=[[pattern]]

tmux.conf

bind-key j select-pane -D\; run-shell ~/vim_tmux_helper.sh
bind-key C-j select-pane -D\; run-shell ~/vim_tmux_helper.sh

bind-key k select-pane -U\; run-shell ~/vim_tmux_helper.sh
bind-key C-k select-pane -U\; run-shell ~/vim_tmux_helper.sh

bind-key h select-pane -L\; run-shell ~/vim_tmux_helper.sh
bind-key C-h select-pane -L\; run-shell ~/vim_tmux_helper.sh

bind-key l select-pane -R\; run-shell ~/vim_tmux_helper.sh
bind-key C-l select-pane -R\; run-shell ~/vim_tmux_helper.sh

vim_tmux_helper.sh

#!/bin/sh
tmux capture-pane
if tmux show-buffer | grep [[pattern]] > /dev/null
then
    tmux set-option prefix C-f > /dev/null 2> /dev/null
    # tmux display-message "prefix C-f"
else
    tmux set-option prefix C-f,C-w > /dev/null 2> /dev/null
    # tmux display-message "prefix C-f,C-w"
fi