tmux.conf

set-option -g prefix C-a
unbind-key C-b
bind-key C-a last-window
bind-key C-c new-window
bind-key C-n next-window
bind-key C-p previous-window
bind-key | split-window -h
bind-key - split-window -v

set-option -g base-index 1
set-option -g pane-base-index 1
set-option -g status-position top

set-option -g mouse on
#set-option -g mode-mouse on
#set-option -g mouse-utf8 on
#set-option -g mouse-resize-pane on
#set-option -g mouse-select-pane on
#set-option -g mouse-select-window on
set-window-option -g mode-keys vi
set-window-option -g xterm-keys on

#set -g default-terminal screen
#set -g default-terminal xterm-256color
set -g default-terminal screen-256color

bind-key -n WheelUpPane \
    if-shell -Ft= "#{?pane_in_mode,1,#{mouse_button_flag}}" \
        "send-keys -M" \
        "if-shell -Ft= '#{alternate_on}' \
            'send-keys Up Up Up' \
            'copy-mode'"

bind-key -n WheelDownPane \
    if-shell -Ft= "#{?pane_in_mode,1,#{mouse_button_flag}}" \
        "send-keys -M" \
        "send-keys Down Down Down"

source /usr/share/tmux/powerline.conf