##
## ~/.tmux.conf
##
## Aaron LI
## Created: 2015-01-22
## Updated: 2016-07-26
##
## References:
## [1] tmux: Productive Mouse-Free Development (by Brian P. Hogan)
##     https://pragprog.com/book/bhtmux/tmux
## [2] Making tmux Pretty and Usable - A Guide to Customizing your tmux.conf
##     http://www.hamvocke.com/blog/a-guide-to-customizing-your-tmux-conf/
## [3] ArchWiki - Tmux
##     https://wiki.archlinux.org/index.php/tmux
## [4] Practical Tmux
##     http://mutelight.org/practical-tmux
## [5] Tmux Plugin Manager
##     https://github.com/tmux-plugins/tpm
## [6] Tmux themepack
##     https://github.com/jimeh/tmux-themepack
##


## 'C-b' is not acceptable: Vim uses it!
unbind-key C-b
set-option -g prefix C-a

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

## Renumber the windows when a window is closed
set-option -g renumber-windows on

## Start pane numbering at 1
set-window-option -g pane-base-index 1

# URxvt tab like window control
bind-key -n S-Down  new-window
bind-key -n S-Left  previous-window
bind-key -n S-Right next-window
bind-key -n C-Left  swap-window -t -1
bind-key -n C-Right swap-window -t +1

## Detach tmux instead of exit
bind-key -n C-d detach

## Mouse control (>= v2.1)
set-option -g mouse on
bind-key m set-option -g mouse on  \; display "Mouse: ON"
bind-key M set-option -g mouse off \; display "Mouse: OFF"

## Terminal settings
# Override terminal's default Cr (color reset) to avoid the strange
# 'char+112' when just exited the tmux session.
# Credit: https://github.com/tmux/tmux/issues/266
set-option -g terminal-overrides ',xterm*:Cr=\E]12;gray\007'

## Maximize and restore a pane
unbind-key Up
bind-key Up new-window -d -n tmp \; swap-pane -s tmp.1 \; select-window -t tmp
unbind-key Down
bind-key Down last-window \; swap-pane -s tmp.1 \; kill-window -t tmp

## Log output to a text file on demand
bind-key P pipe-pane -o "cat >> ~/#W.log" \; display "Toggled logging to ~/#W.log"


###### Appearance ######

## Panes
set-option -g pane-border-style        "fg=default,bg=default"
set-option -g pane-active-border-style "fg=blue,bg=default"

## Status bar design
# status line
set-option -g status-justify      centre
set-option -g status-left-length  20
set-option -g status-right-length 20
set-option -g status-style        "bg=default,bold"
set-option -g status-left         " #[fg=yellow]#h:#[fg=blue]#S #[fg=magenta]>>#[default]"
set-option -g status-right        "#[fg=magenta]<< #[fg=yellow]%a %m/%d #[fg=blue]%H:%M "

# window status
set-option -g window-status-separator             " "
set-window-option -g window-status-style          "fg=blue,bold"
set-window-option -g window-status-current-style  "fg=blue,bold,reverse"
set-window-option -g window-status-bell-style     "fg=red,bold"
set-window-option -g window-status-format         "#I:#{=10:window_name}#F"
set-window-option -g window-status-current-format "#[fg=yellow]#I:#[fg=blue]#W#[fg=green]#F#[default]"

# window mode
set-window-option -g mode-style        "fg=yellow,bg=default,bold"
set-window-option -g clock-mode-colour yellow
set-window-option -g clock-mode-style  24

# messaging
set-option -g message-style         "fg=white,bg=blue,bold"
set-option -g message-command-style "fg=white,bg=default,bold"

# loud or quiet?
set-option -g visual-activity off
set-option -g visual-bell     off
set-option -g visual-silence  off
set-option -g bell-action     none
set-window-option -g monitor-activity off


###### Tmux Plugins ######

# List of plugins
set-option -g @plugin "tmux-plugins/tpm"
# Basic tmux settings everyone can agree on
set-option -g @plugin "tmux-plugins/tmux-sensible"
# Persists tmux environment across system restarts
set-option -g @plugin "tmux-plugins/tmux-resurrect"
# Copy to system clipboard
set-option -g @plugin "tmux-plugins/tmux-yank"
# Enhance tmux search
set-option -g @plugin "tmux-plugins/tmux-copycat"
# Continuous saving of tmux environment
set-option -g @plugin "tmux-plugins/tmux-continuum"
# Standard pane key-bindings for tmux
set-option -g @plugin "tmux-plugins/tmux-pain-control"
# Tmux key bindings for quick opening of a highlighted file or URL
set-option -g @plugin "tmux-plugins/tmux-open"

# Automatic TPM installation
# Credit: https://github.com/tmux-plugins/tpm/blob/master/docs/automatic_tpm_installation.md
if "test ! -d ~/.tmux/plugins/tpm" \
   "run 'git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm'"

# Initialize Tmux plugin manager (keep this at the very bottom)
run "~/.tmux/plugins/tpm/tpm"