# Switch prefix to use C-a instead of C-b
unbind-key C-b
set-option -g prefix C-a
bind-key a send-prefix

# Use 256 color mode
set-option -g default-terminal "screen-256color"

# Set the Esc/Alt disambiguation timeout to 50ms
# The default is 500ms, which makes vim kind of painful
set-option -sg escape-time 50

# Enable UTF-8
set-window-option -g utf8 on

# Don't constrain the window size to smallest client size
set-window-option -g aggressive-resize on

# Enable mouse mode
set-option -g mode-mouse on
set-option -g mouse-select-pane on
set-option -g mouse-select-window on
set-option -g mouse-utf8 on
# I find your lack of mouse-resize-pane off disturbing
set-option -g mouse-resize-pane off

# Scrollback buffer
set-option -g history-limit 100000

# Default settings
set-option -g default-command "/bin/bash"
#set-option -g default-path "~"
set-option -g default-shell "/bin/bash"

# Display timeout
set-option -g display-time 1500

# Start numbering from 1
# (because 0 is just too far away!)
set-option -g base-index 1
set-option -g pane-base-index 1

# Configure the tmux colours
# Based on Solarized [altercation/solarized] on GitHub
TMUX_STATUS_BG=brightblack
TMUX_STATUS_FG=white
TMUX_MESSAGE_BG=brightblack
TMUX_MESSAGE_FG=brightred

# Status bar
set-option -g status on
set-option -g status-interval 2
set-option -g status-bg $TMUX_STATUS_BG
set-option -g status-fg $TMUX_STATUS_FG
set-option -g status-utf8 on

# Status bar - left
# <username>@<host> <session name>
set-option -g  status-left "#[fg=blue]#(whoami) "
set-option -ga status-left "#[fg=green]#h "
set-option -ga status-left "#[fg=brightmagenta][#S]"
# Status bar - left length
set-option -g status-left-length 40

# Status bar - right
# <date/time> <stardate>
set-option -g  status-right "#[fg=yellow]%a %F %R "
set-option -ga status-right "#[fg=red]#(~/bin/stardate)"
# Status bar - right length
set-option -g status-right-length 30

# Status bar - window status
set-window-option -g window-status-current-bg $TMUX_STATUS_BG
set-window-option -g window-status-current-fg cyan
set-window-option -g window-status-current-attr underscore
set-window-option -g window-status-bg $TMUX_STATUS_BG
set-window-option -g window-status-fg $TMUX_STATUS_FG
set-window-option -g window-status-format "#I.#P:#W#F"
set-window-option -g window-status-current-format "#I.#P:#W#F"

# Message bar formatting
set-option -g message-bg $TMUX_MESSAGE_BG
set-option -g message-fg $TMUX_MESSAGE_FG
set-option -g message-command-bg $TMUX_MESSAGE_FG
set-option -g message-command-fg $TMUX_MESSAGE_BG

# Pane highlighting
set-option -g pane-active-border-fg green

# Window switching
bind-key    C-a last-window
unbind-key  l # existing default binding

# Window splitting
# Just because I like the Vim key-bindings to split the window
bind-key    s split-window
bind-key    v split-window -h
# Delete the existing default bindings
unbind-key  %
unbind-key  '"'

# Use vi style key bindings
set-option -g mode-keys vi
set-option -g status-keys vi

# Pane logging, a-la screen's C-a H
bind-key H \
    pipe-pane -o 'cat >> ~/tmux_logs/tmux_log.#I-#P' \;\
    display-message 'Toggled logging to ~/tmux_logs/tmux_log.#I-#P'

# Synchronize panes - have a hotkey to switch sync on and off
bind-key C-s set-window-option synchronize-panes

# Tweak the copy mode bindings
unbind-key -t vi-copy C-e
unbind-key -t vi-copy C-y
unbind-key -t vi-copy Enter
unbind-key -t vi-copy Space
unbind-key -t vi-copy v
bind-key -t vi-copy v begin-selection
bind-key -t vi-copy C-v rectangle-toggle
bind-key -t vi-copy y copy-selection

# Resize the panes using vi-style keys
bind-key -r h resize-pane -L
bind-key -r j resize-pane -D
bind-key -r k resize-pane -U
bind-key -r l resize-pane -R

# Allow the escape key to quit the command mode
bind-key -ct vi-edit Escape cancel

# Pane zooming
# Unbind the - key first
unbind-key -
bind-key + \
    new-window -d -n tmux-zoom 'clear && echo TMUX ZOOM && read' \;\
    swap-pane -s tmux-zoom.1 \;\
    select-window -t tmux-zoom
bind-key - \
    last-window \;\
    swap-pane -s tmux-zoom.1 \;\
    kill-window -t tmux-zoom

# Clear history
# Bash uses C-l to clear the screen, so you can use C-l, C-k to clear the
# screen and the scrollback buffer too
bind-key -n C-k clear-history

# Disable the choose-client key binding. It usually results in the current
# client getting detached.
unbind-key D

# Rather than go with the last session, let the user pick from the list
# of available sessions
bind-key L choose-session

# Don't waste time with the next-window and previous-window bindings
unbind-key n
unbind-key p

# Allow the escape key to quit the choice window
bind-key -t vi-choice Escape cancel

# Terminator style pane switching
# OSX Terminal.app, enable Use option as meta key
# and delete the key bindings for Option Cursor left & Option Cursor right
#
# nirenjan: I don't use these because I find using the Option left & right to 
# move between words more useful than shorter key presses to select panes
# bind-key -n M-Left  select-pane -L
# bind-key -n M-Right select-pane -R
# bind-key -n M-Up    select-pane -U
# bind-key -n M-Down  select-pane -D

# Ion3 style window switching
# OSX Terminal.app, enable Use option as meta key
#
# nirenjan: I don't care for these either. Nice to have, but only marginally.
# bind-key -n M-0 select-window -t :0
# bind-key -n M-1 select-window -t :1
# bind-key -n M-2 select-window -t :2
# bind-key -n M-3 select-window -t :3
# bind-key -n M-4 select-window -t :4
# bind-key -n M-5 select-window -t :5
# bind-key -n M-6 select-window -t :6
# bind-key -n M-7 select-window -t :7
# bind-key -n M-8 select-window -t :8
# bind-key -n M-9 select-window -t :9


# Defaults
# bind-key        C-b send-prefix
# bind-key        C-o rotate-window
# bind-key        C-z suspend-client
# bind-key      Space next-layout
# bind-key          ! break-pane
# bind-key          " split-window
# bind-key          # list-buffers
# bind-key          $ command-prompt -I #S "rename-session '%%'"
# bind-key          % split-window -h
# bind-key          & confirm-before -p "kill-window #W? (y/n)" kill-window
# bind-key          ' command-prompt -p index "select-window -t ':%%'"
# bind-key          ( switch-client -p
# bind-key          ) switch-client -n
# bind-key          , command-prompt -I #W "rename-window '%%'"
# bind-key          - delete-buffer
# bind-key          . command-prompt "move-window -t '%%'"
# bind-key          0 select-window -t :0
# bind-key          1 select-window -t :1
# bind-key          2 select-window -t :2
# bind-key          3 select-window -t :3
# bind-key          4 select-window -t :4
# bind-key          5 select-window -t :5
# bind-key          6 select-window -t :6
# bind-key          7 select-window -t :7
# bind-key          8 select-window -t :8
# bind-key          9 select-window -t :9
# bind-key          : command-prompt
# bind-key          ; last-pane
# bind-key          = choose-buffer
# bind-key          ? list-keys
# bind-key          D choose-client
# bind-key          L switch-client -l
# bind-key          [ copy-mode
# bind-key          ] paste-buffer
# bind-key          c new-window
# bind-key          d detach-client
# bind-key          f command-prompt "find-window '%%'"
# bind-key          i display-message
# bind-key          l last-window
# bind-key          n next-window
# bind-key          o select-pane -t :.+
# bind-key          p previous-window
# bind-key          q display-panes
# bind-key          r refresh-client
# bind-key          s choose-session
# bind-key          t clock-mode
# bind-key          w choose-window
# bind-key          x confirm-before -p "kill-pane #P? (y/n)" kill-pane
# bind-key          { swap-pane -U
# bind-key          } swap-pane -D
# bind-key          ~ show-messages
# bind-key      PPage copy-mode -u
# bind-key -r      Up select-pane -U
# bind-key -r    Down select-pane -D
# bind-key -r    Left select-pane -L
# bind-key -r   Right select-pane -R
# bind-key        M-1 select-layout even-horizontal
# bind-key        M-2 select-layout even-vertical
# bind-key        M-3 select-layout main-horizontal
# bind-key        M-4 select-layout main-vertical
# bind-key        M-5 select-layout tiled
# bind-key        M-n next-window -a
# bind-key        M-o rotate-window -D
# bind-key        M-p previous-window -a
# bind-key -r    M-Up resize-pane -U 5
# bind-key -r  M-Down resize-pane -D 5
# bind-key -r  M-Left resize-pane -L 5
# bind-key -r M-Right resize-pane -R 5
# bind-key -r    C-Up resize-pane -U
# bind-key -r  C-Down resize-pane -D
# bind-key -r  C-Left resize-pane -L
# bind-key -r C-Right resize-pane -R
#
# bind-key -t  vi-edit    C-c cancel
# bind-key -t  vi-edit    C-h backspace
# bind-key -t  vi-edit    Tab complete
# bind-key -t  vi-edit  Enter enter
# bind-key -t  vi-edit    C-u delete-line
# bind-key -t  vi-edit    C-w delete-word
# bind-key -t  vi-edit Escape switch-mode
# bind-key -t  vi-edit BSpace backspace
# bind-key -t  vi-edit     DC delete
# bind-key -t  vi-edit   Home start-of-line
# bind-key -t  vi-edit    End end-of-line
# bind-key -t  vi-edit     Up history-up
# bind-key -t  vi-edit   Down history-down
# bind-key -t  vi-edit   Left cursor-left
# bind-key -t  vi-edit  Right cursor-right
# bind-key -ct vi-edit    C-c cancel
# bind-key -ct vi-edit    C-h backspace
# bind-key -ct vi-edit  Enter enter
# bind-key -ct vi-edit      $ end-of-line
# bind-key -ct vi-edit      0 start-of-line
# bind-key -ct vi-edit      B previous-space
# bind-key -ct vi-edit      D delete-end-of-line
# bind-key -ct vi-edit      E next-space-end
# bind-key -ct vi-edit      W next-space
# bind-key -ct vi-edit      X backspace
# bind-key -ct vi-edit      ^ start-of-line
# bind-key -ct vi-edit      a switch-mode-append
# bind-key -ct vi-edit      b previous-word
# bind-key -ct vi-edit      d delete-line
# bind-key -ct vi-edit      e next-word-end
# bind-key -ct vi-edit      h cursor-left
# bind-key -ct vi-edit      i switch-mode
# bind-key -ct vi-edit      j history-down
# bind-key -ct vi-edit      k history-up
# bind-key -ct vi-edit      l cursor-right
# bind-key -ct vi-edit      p paste
# bind-key -ct vi-edit      w next-word
# bind-key -ct vi-edit      x delete
# bind-key -ct vi-edit BSpace backspace
# bind-key -ct vi-edit     DC delete
# bind-key -ct vi-edit     Up history-up
# bind-key -ct vi-edit   Down history-down
# bind-key -ct vi-edit   Left cursor-left
# bind-key -ct vi-edit  Right cursor-right
#
# bind-key -t vi-copy    C-b page-up
# bind-key -t vi-copy    C-c cancel
# bind-key -t vi-copy    C-e scroll-down
# bind-key -t vi-copy    C-f page-down
# bind-key -t vi-copy    C-h cursor-left
# bind-key -t vi-copy  Enter copy-selection
# bind-key -t vi-copy    C-y scroll-up
# bind-key -t vi-copy Escape clear-selection
# bind-key -t vi-copy  Space begin-selection
# bind-key -t vi-copy      $ end-of-line
# bind-key -t vi-copy      , jump-reverse
# bind-key -t vi-copy      / search-forward
# bind-key -t vi-copy      0 start-of-line
# bind-key -t vi-copy      1 start-number-prefix
# bind-key -t vi-copy      2 start-number-prefix
# bind-key -t vi-copy      3 start-number-prefix
# bind-key -t vi-copy      4 start-number-prefix
# bind-key -t vi-copy      5 start-number-prefix
# bind-key -t vi-copy      6 start-number-prefix
# bind-key -t vi-copy      7 start-number-prefix
# bind-key -t vi-copy      8 start-number-prefix
# bind-key -t vi-copy      9 start-number-prefix
# bind-key -t vi-copy      : goto-line
# bind-key -t vi-copy      ; jump-again
# bind-key -t vi-copy      ? search-backward
# bind-key -t vi-copy      B previous-space
# bind-key -t vi-copy      D copy-end-of-line
# bind-key -t vi-copy      E next-space-end
# bind-key -t vi-copy      F jump-backward
# bind-key -t vi-copy      G history-bottom
# bind-key -t vi-copy      H top-line
# bind-key -t vi-copy      J scroll-down
# bind-key -t vi-copy      K scroll-up
# bind-key -t vi-copy      L bottom-line
# bind-key -t vi-copy      M middle-line
# bind-key -t vi-copy      N search-reverse
# bind-key -t vi-copy      T jump-to-backward
# bind-key -t vi-copy      W next-space
# bind-key -t vi-copy      ^ back-to-indentation
# bind-key -t vi-copy      b previous-word
# bind-key -t vi-copy      e next-word-end
# bind-key -t vi-copy      f jump-forward
# bind-key -t vi-copy      g history-top
# bind-key -t vi-copy      h cursor-left
# bind-key -t vi-copy      j cursor-down
# bind-key -t vi-copy      k cursor-up
# bind-key -t vi-copy      l cursor-right
# bind-key -t vi-copy      n search-again
# bind-key -t vi-copy      q cancel
# bind-key -t vi-copy      t jump-to-forward
# bind-key -t vi-copy      v rectangle-toggle
# bind-key -t vi-copy      w next-word
# bind-key -t vi-copy BSpace cursor-left
# bind-key -t vi-copy  NPage page-down
# bind-key -t vi-copy  PPage page-up
# bind-key -t vi-copy     Up cursor-up
# bind-key -t vi-copy   Down cursor-down
# bind-key -t vi-copy   Left cursor-left
# bind-key -t vi-copy  Right cursor-right
# bind-key -t vi-copy   C-Up scroll-up
# bind-key -t vi-copy C-Down scroll-down
#
# bind-key -t vi-choice    C-b page-up
# bind-key -t vi-choice    C-c cancel
# bind-key -t vi-choice    C-e scroll-down
# bind-key -t vi-choice    C-f page-down
# bind-key -t vi-choice  Enter choose
# bind-key -t vi-choice    C-y scroll-up
# bind-key -t vi-choice      j down
# bind-key -t vi-choice      k up
# bind-key -t vi-choice      q cancel
# bind-key -t vi-choice  NPage page-down
# bind-key -t vi-choice  PPage page-up
# bind-key -t vi-choice     Up up
# bind-key -t vi-choice   Down down
# bind-key -t vi-choice   C-Up scroll-up
# bind-key -t vi-choice C-Down scroll-down