.tmux.conf

# status bar
set-option -g status-utf8 on

# copy and paste
set-option -g default-command "reattach-to-user-namespace -l bash"

set -g status-interval 1
set -g status-justify centre # center align window list
set -g status-left-length 20
set -g status-right-length 140
set -g status-left '#[fg=green]#H #[fg=black]• #[fg=green,bright]#(uname -r | cut -c 1-6)#[default]'
set -g status-right '#[fg=green,bg=black,bright]#(tmux-mem-cpu-load 1) #[fg=red,dim]#(uptime | cut -f 4-5 -d " " | cut -f 1 -d ",") #[fg=white]%a%l:%M:%S %p#[default] #[fg=blue]%Y-%m-%d'

# default statusbar colors
set -g status-fg white
set -g status-bg default
set -g status-attr bright

# default window title colors
set-window-option -g window-status-fg white
set-window-option -g window-status-bg default
set-window-option -g window-status-attr dim

# active window title colors
set-window-option -g window-status-current-fg white
set-window-option -g window-status-current-bg default
set-window-option -g window-status-current-attr bright

# C-b is not acceptable -- Vim uses it
set-option -g prefix C-a
bind-key C-a last-window

# Start numbering at 1
set -g base-index 1

# Allows for faster key repetition
set -s escape-time 0

# Rather than constraining window size to the maximum size of any client 
# connected to the *session*, constrain window size to the maximum size of any 
# client connected to *that window*. Much more reasonable.
setw -g aggressive-resize on

# Allows us to use C-a a <command> to send commands to a TMUX session inside 
# another TMUX session
bind-key a send-prefix

# Activity monitoring
setw -g monitor-activity on
set -g visual-activity on

# Highlight active window
set-window-option -g window-status-current-bg red

# Vi copypaste mode
setw -g mode-keys vi
set-window-option -g mode-keys vi
bind-key -t vi-copy 'v' begin-selection
bind-key -t vi-copy 'y' copy-selection
bind y run "tmux save-buffer - | reattach-to-user-namespace pbcopy"

# hjkl pane traversal
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# HJKL resize pane
bind H resize-pane -L 5
bind J resize-pane -D 5
bind K resize-pane -U 5
bind L resize-pane -R 5


# reload config
bind r source-file ~/.tmux.conf \; display-message "Config reloaded..."

# auto window rename
set-window-option -g automatic-rename

# rm mouse mode fail
#set -g mode-mouse off

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

# grep mouse .tmux.conf
#set-option -g mode-mouse on
#set-option -g mouse-select-pane on
#set-option -g mouse-resize-pane on
#set-option -g mouse-select-window on
#set-window-option -g mode-mouse on

set -g mode-mouse on
set -g mouse-resize-pane on
set -g mouse-select-pane on
set -g mouse-select-window on

#Toggle mouse on
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
       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'