tmux.conf

# .tmux.conf
#
# Tmux configuration of Champions
#
# By: Brandon Bayer
# Found: http://github.com/mutewinter/
# Cobbled: Together

# ------------------------
# tmux prefix key
# ------------------------
unbind C-b
set -g prefix C-t
bind C-t send-prefix

# Use different prefix to send prefix to nested (server) sessions
bind-key -n C-s send-prefix


# ------------------------
# Preferences
# ------------------------

# Use VI Bindings in Copy Mode
set-window-option -g mode-keys vi

# Don't limit size from a client that's not actively viewing the session
setw -g aggressive-resize on

# Huge history
set-option -g history-limit 100000

# Use low timeout so ESC isn't delayed in vim
set -g escape-time 10

# Enable mouse (requires tmux 2.1+)
set -g mouse on

# Disable new activity notice
set -g monitor-activity off

# ensure 256 colors in terminal recognized by vim
# set -g default-terminal "screen-256color"
set -ga terminal-overrides ",xterm-256color:Tc"

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

# Update status bar interval
set-option -g status-interval 1


# ------------------------
# Status Bar
# ------------------------
set -g status-left ''
set -g status-right ''

# Make windows slightly more readable
set -g window-status-format " #I: #W "

# OSX style anyone?
set -g status-position top

# Put the windows in the center
set -g status-justify centre


# ------------------------
# Bindings
# ------------------------
is_vim='echo "#{pane_current_command}" | grep -iqE "(^|\/)g?(view|n?vim?)(diff)?$"'

# Reload tmux.conf on the fly
unbind r
bind r source-file ~/.tmux.conf

# Toggle current and previous panes full screen.
bind -n M-t select-pane -l\; resize-pane -Z

# Resize panes with arrow keys
bind -n    M-Up if-shell "$is_vim" "send-keys M-Up" "resize-pane -U"
bind -n  M-Down if-shell "$is_vim" "send-keys M-Down" "resize-pane -D"
bind -n  M-Left if-shell "$is_vim" "send-keys M-Left" "resize-pane -L"
bind -n M-Right if-shell "$is_vim" "send-keys M-Right" "resize-pane -R"

# Zoom pane to full screen
bind-key -nr M-z resize-pane -Z

# Horizontal and vertical pane splits
bind -n M-\ split-window -h -c "#{pane_current_path}"
bind -n M-- split-window -v -c "#{pane_current_path}"

# Next / Previous Window
bind -n M-i next-window
bind -n M-u previous-window
bind -n M-y last-window

# Kill current session & switch to previous
bind-key k confirm-before -p "Kill #S (y/n)?" "run-shell 'tmux switch-client -n \\\; kill-session -t \"\$(tmux display-message -p \"#S\")\"'"

# Copy and Paste Mode
# bind-key -n M-v copy-mode
# bind-key -n M-i paste-buffer

# -------------------------------------------------------
# Smart pane switching with awareness of vim splits
# from: https://github.com/christoomey/vim-tmux-navigator
# -------------------------------------------------------
bind -n M-h if-shell "$is_vim" "send-keys M-h" "select-pane -L"
bind -n M-j if-shell "$is_vim" "send-keys M-j" "select-pane -D"
bind -n M-k if-shell "$is_vim" "send-keys M-k" "select-pane -U"
bind -n M-l if-shell "$is_vim" "send-keys M-l" "select-pane -R"

# For switching vim panes through an ssh session
# (these require the tmux-prefix to first be pressed)
bind -r C-h run "tmux send-keys M-h"
bind -r C-j run "tmux send-keys M-j"
bind -r C-k run "tmux send-keys M-k"
bind -r C-l run "tmux send-keys M-l"

# -------------
# Vim Copy Mode
# from: http://cl.ly/0e2U2v062D3d
# -------------
# Setup 'v' to begin selection as in Vim
bind-key -T copy-mode-vi v send-keys -X begin-selection
bind -T copy-mode-vi y send -X copy-pipe-and-cancel "reattach-to-user-namespace pbcopy"

# bind-key -t vi-copy y copy-pipe "xsel -i -p -b"
# bind-key p run "xsel -o | tmux load-buffer - ; tmux paste-buffer"

# Update default binding of `Enter` to also use copy-pipe
unbind -T copy-mode-vi Enter
bind-key -T copy-mode-vi Enter send-keys -X copy-pipe-and-cancel 'reattach-to-user-namespace pbcopy'
# bind-key -t vi-copy Enter copy-pipe "xsel -i -p -b"

# Fix tmux to use system clipboard
set-option -g default-command "reattach-to-user-namespace -l $SHELL"
bind -n M-y run "tmux save-buffer - | reattach-to-user-namespace pbcopy"



# ---------------
# Change Sessions
# ---------------

# List
bind -n M-8 choose-session
# Previous
bind -n M-9 switch-client -p
# Next
bind -n M-0 switch-client -n

# No More Accidental Pane Killing
bind ^x kill-pane


# ------------------------
# Colors (Solarized)
# From: https://github.com/seebi/tmux-colors-solarized
# ------------------------

# default statusbar colors
set-option -g status-bg default
set-option -g status-fg blue
# set-window-option -g status-left-fg blue
# set-window-option -g status-left-bg default

# set-window-option -g status-right-fg blue
# set-window-option -g status-right-bg default

# default window title colors
# set-window-option -g window-status-fg brightblue
# set-window-option -g window-status-bg default

# active window title colors
# set-window-option -g window-status-current-fg black
set-window-option -g window-status-current-bg white

# pane border
# set-option -g pane-border-fg black
# set-option -g pane-active-border-fg yellow

# message text
# set-option -g message-bg black
# set-option -g message-fg yellow

# pane number display
# set-option -g display-panes-active-colour blue
# set-option -g display-panes-colour yellow

# clock
# set-window-option -g clock-mode-colour green

# bell
set-window-option -g window-status-bell-style fg=black,bg=red