# https://github.com/gpakosz/.tmux
# ---- general ----------------------------------------------------
set -g default-terminal "xterm-256color" # colors!
setw -g xterm-keys on
set -s escape-time 10                     # faster command sequences
set -sg repeat-time 600                   # increase repeat timeout
set -s focus-events on

#unbind ^b   # unbind defaul prefix Control+b
#set -g prefix 'C-\' # bind new prefix Control+a
#bind-key 'C-\' send-prefix
# set -g prefix2 C-a
# bind C-a send-prefix -2

set -q -g status-utf8 on
setw -q -g utf8 on

# edit configuration
bind e new-window -n '~/.tmux.conf.local' "sh -c '\${EDITOR:-vim} ~/.tmux.conf.local && tmux source ~/.tmux.conf && tmux display \"~/.tmux.conf sourced\"'"
bind C-x setw synchronize-panes

bind r source-file ~/.tmux.conf \; display-message "tmux config reloaded" # create new short cut to reload tmux.conf

set -g history-limit 5000                 # boost history

# ---- display ------------------------------------------------------------------------
# Enable mouse mode (tmux 2.1 and above)
set -g mouse on
# setw -g mode-mouse on

# 窗口号和窗口分割号都以1开始（默认从0开始）
set -g base-index 1         # start windows numbering at 1
setw -g pane-base-index 1   # make pane numbering consistent with windows

setw -g automatic-rename on # rename window to reflect current program
set -g renumber-windows on  # renumber windows when a window is closed

set -g set-titles on
set -g set-titles-string '#h ❐ #S ● #I #W'

set -g display-panes-time 800 # slightly longer pane indicators display time
set -g display-time 1000      # slightly longer status messages display time

set -g status-interval 10     # redraw status line every 10 seconds

# 监视窗口信息，如有内容变动，进行提示
set -g monitor-activity on
set -g visual-activity off

# 调节窗口大小快捷键
# bind -r 表示可以重复
# 注意这里时大写，需要按住 Shift + HJKL
bind-key -r H resize-pane -L 5
bind-key -r J resize-pane -D 5
bind-key -r K resize-pane -U 5
bind-key -r L resize-pane -R 5

# move between panels using hjkl like in vim up
#bind-key k select-pane -U
#down
#bind-key j select-pane -D
#left
#bind-key h select-pane -L
#right
#bind-key l select-pane -R

# switch panes using Alt-arrow without prefix
# bind -n 表示绑定到全局，不需要 <prefix>
# bind -r 表示可以重复
# bind -n M-Left select-pane -L
# bind -n M-Right select-pane -R
# bind -n M-Up select-pane -U
# bind -n M-Down select-pane -D

# pane navigation
bind > swap-pane -D
bind < swap-pane -U

# split panes using | and - or shift \ and shift -
bind-key "\\" split-window -h -c "#{pane_current_path}"
bind-key "\|" split-window -h -c "#{pane_current_path}"
bind-key "-" split-window -v -c "#{pane_current_path}"
bind-key "_" split-window -v -c "#{pane_current_path}"
unbind '"'
unbind %

# 快速调整窗口到全屏
unbind Up
bind Up new-window -d -n tmp \; swap-pane -s tmp.1 \; select-window -t tmp
unbind Down
bind Down last-window \; swap-pane -s tmp. \; kill-window -t tmp

# in version 2.3 and below https://github.com/tmux/tmux/commit/76d6d3641f271be1756e41494960d96714e7ee58
setw -g mode-keys vi
bind-key -T copy-mode-vi 'v' send -X begin-selection     # Begin selection in copy mode.
bind-key -T copy-mode-vi 'C-v' send -X rectangle-toggle  # Begin selection in copy mode.
bind-key -T copy-mode-vi 'y' send -X copy-selection      # Yank selection in copy mode.
# https://superuser.com/a/693990/298782

# Smart pane switching with awareness of Vim splits.
# See: https://github.com/christoomey/vim-tmux-navigator
# is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
#     | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
# bind-key -n C-h if-shell "$is_vim" "send-keys C-h"  "select-pane -L"
# bind-key -n C-j if-shell "$is_vim" "send-keys C-j"  "select-pane -D"
# bind-key -n C-k if-shell "$is_vim" "send-keys C-k"  "select-pane -U"
# bind-key -n C-l if-shell "$is_vim" "send-keys C-l"  "select-pane -R"
# bind-key -n C-\ if-shell "$is_vim" "send-keys C-\\" "select-pane -l"
# bind-key -T copy-mode-vi C-h select-pane -L
# bind-key -T copy-mode-vi C-j select-pane -D
# bind-key -T copy-mode-vi C-k select-pane -U
# bind-key -T copy-mode-vi C-l select-pane -R
# bind-key -T copy-mode-vi C-\ select-pane -l

bind C-l send-keys 'C-l'

# -------------------------------- color begin --------------------------------

# fiddle with colors of status bar
set -g status-fg white
set -g status-bg colour234  # 底部状态背景

# 对齐方式
set-option -g status-justify centre

# show session, windows, pane in left status bar
set -g status-left-length 40
# set -g status-left-style bg=colour233,fg=colour243
set -g status-left '#[fg=colour233,bg=colour241,bold] #[fg=colour233,bg=colour245,bold]#S #I/#[fg=colour233,bg=colour245,bold]#P '

# fiddle with colors of inactive windows

# change color of active window
# setw -g window-status-current-fg white
# setw -g window-status-current-bg colour234
# setw -g window-status-current-attr bright

# set color of regular and active panes
set -g pane-border-style fg=colour240,bg=black
set -g pane-active-border fg=green,bg=default

# color of status bar
set -g status-style fg=green,bg=colour8
# color of message bar
set -g message-style fg=black,bold,bg=colour8

set -g status-right-length 50
set -g status-right '#[fg=colour233,bg=colour241,bold] %m/%d #[fg=colour233,bg=colour245,bold] %H:%M:%S '

# 设置当前窗口格式及颜色
setw -g window-status-current-format "#[bg=brightmagenta]#[fg=colour8] #I #[fg=colour8]#[bg=colour14] #W "

#setw -g window-status-current-bg colour0
#setw -g window-status-current-fg colour11
#setw -g window-status-current-attr dim
#setw -g window-status-fg cyan
#setw -g window-status-bg colour234
#setw -g window-status-attr dim

# Length of tmux status line
set -g status-left-length 30
set -g status-right-length 150

set-option -g status "on"

# Default statusbar color
set-option -g status-style bg=colour237,fg=colour223 # bg=bg1, fg=fg1

# Default window title colors
set-window-option -g window-status-style bg=colour214,fg=colour237 # bg=yellow, fg=bg1

# Default window with an activity alert
set-window-option -g window-status-activity-style bg=colour237,fg=colour248 # bg=bg1, fg=fg3

# Active window title colors
set-window-option -g window-status-current-style bg=red,fg=colour237 # fg=bg1

# Set active pane border color
set-option -g pane-active-border-style fg=colour214

# Set inactive pane border color
set-option -g pane-border-style fg=colour239

# Message info
set-option -g message-style bg=colour239,fg=colour223 # bg=bg2, fg=fg1

# Writing commands inactive
set-option -g message-command-style bg=colour239,fg=colour223 # bg=fg3, fg=bg1

# Pane number display
set-option -g display-panes-active-colour colour1 #fg2
set-option -g display-panes-colour colour237 #bg1

# Clock
set-window-option -g clock-mode-colour colour109 #blue

# Bell
set-window-option -g window-status-bell-style bg=colour167,fg=colour235 # bg=red, fg=bg

set-option -g status-left "\
#[fg=colour7, bg=colour241]#{?client_prefix,#[bg=colour167],} ❐ #S \
#[fg=colour241, bg=colour237]#{?client_prefix,#[fg=colour167],}#{?window_zoomed_flag, 🔍,}"

set-option -g status-right "\
#[fg=colour214, bg=colour237] \
#[fg=colour223, bg=colour237]#{prefix_highlight} \
#[fg=colour223, bg=colour237]  #(~/dotfiles/tmux/scripts/uptime.sh) \
#[fg=colour246, bg=colour237]  %m/%d\
#[fg=colour109]  %H:%M \
#[fg=colour248, bg=colour239]"

set-window-option -g window-status-current-format "\
#[fg=colour237, bg=colour214]\
#[fg=colour239, bg=colour214] #I* \
#[fg=colour239, bg=colour214, bold] #W \
#[fg=colour214, bg=colour237]"

set-window-option -g window-status-format "\
#[fg=colour237,bg=colour239,noitalics]\
#[fg=colour223,bg=colour239] #I \
#[fg=colour223, bg=colour239] #W \
#[fg=colour239, bg=colour237]"

# user defined
if '[ -f ~/.tmux.conf.local ]' 'source ~/.tmux.conf.local'

# automatic install tpm
if "test ! -d ~/.tmux/plugins/tpm" \
   "run 'git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm && ~/.tmux/plugins/tpm/bin/install_plugins'"

# see more http://einverne.github.io/post/2017/12/tmux-plugins.html
# to install plugins:
#   add plugin and Prefix + I to install
# to update plugins:
# 	Prefix + U
# to remove plugins:
# 	Remove config and Prefix + alt + u

# List of plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-yank'
set -g @plugin 'tmux-plugins/tmux-open'
set -g @plugin 'tmux-plugins/tmux-copycat'
set -g @plugin 'christoomey/vim-tmux-navigator'
set -g @plugin 'tmux-plugins/tmux-resurrect'
set -g @plugin 'tmux-plugins/tmux-continuum'
set -g @plugin 'tmux-plugins/tmux-prefix-highlight'

# Other examples:
# set -g @plugin 'github_username/plugin_name'
# set -g @plugin 'git@github.com/user/plugin'
# set -g @plugin 'git@bitbucket.com/user/plugin'

set -g @continuum-restore 'on'
set -g @resurrect-capture-pane-contents 'on'

# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
run '~/.tmux/plugins/tpm/tpm'


#############################
############# Tmux Vars
#############################

# $(echo $USER) - shows the current username
# %a --> Day of week (Mon)
# %A --> Day of week Expanded (Monday)

# %b --> Month (Jan)
# %d --> Day (31)
# %Y --> Year (2017)

# %D --> Month/Day/Year (12/31/2017)
# %v --> Day-Month-Year (31-Dec-2017)

# %r --> Hour:Min:Sec AM/PM (12:30:27 PM)
# %T --> 24 Hour:Min:Sec (16:30:27)
# %X --> Hour:Min:Sec (12:30:27)
# %R --> 24 Hour:Min (16:30)
# %H --> 24 Hour (16)
# %l --> Hour (12)
# %M --> Mins (30)
# %S --> Seconds (09)
# %p --> AM/PM (AM)

# For a more complete list view: https://linux.die.net/man/3/strftime

#colour0 (black)
#colour1 (red)
#colour2 (green)
#colour3 (yellow)
#colour4 (blue)
#colour7 (white)
#colour5 colour6 colour7 colour8 colour9 colour10 colour11 colour12 colour13 colour14 colour15 colour16 colour17

#D ()
#F ()
#H (hostname)
#I (window index)
#P ()
#S (session index)
#T (pane title)
#W (currnet task like vim if editing a file in vim or zsh if running zsh)