turn on mouse support

.tmux.conf

@@ -4,6 +4,7 @@ bind -r h select-pane -L  # move left
 bind -r j select-pane -D  # move down
 bind -r k select-pane -U  # move up
 bind -r l select-pane -R  # move right
+set -g mouse on
 
 #plugin manager for install tmux-resurrect
 set -g @plugin 'tmux-plugins/tpm'

.vimrc

@@ -52,6 +52,7 @@ nmap <Leader>e :NERDTreeToggle<CR>
 set incsearch
 set showmatch
 set hlsearch
+set mouse=a
 nnoremap \\ :noh<cr> " Clear higlighting
 "nnoremap <esc> :noh<return><esc>
 " Resize windows