tmux.conf

# ~/.tmux.conf

###########################################################################
# Change prefix from default (C-b) to C-g
# C-g doesn't interfere with emacs-style editing keys

unbind -n C-b
unbind -n C-g
set -g prefix C-g

# C-g C-g to passthrough a C-g
unbind C-g
bind C-g send-key C-g

###########################################################################
# General options

# Default termtype. If the rcfile sets $TERM, that overrides this value.
set -g default-terminal screen-256color

# Ring the bell if any background window rang a bell
set -g bell-action any

# Watch for activity in background windows
setw -g monitor-activity on

# scrollback size
set -g history-limit 10000

# set first window to index 1 (not 0) to map more to the keyboard layout
set -g base-index 1
setw -g pane-base-index 1

# pass through xterm keys
set -g xterm-keys on

###########################################################################
# General keymap

# Keep your finger on ctrl, or don't, same result
bind-key C-d detach-client
bind-key C-c new-window
bind-key C-p paste-buffer

# Redraw the client (if interrupted by wall, etc)
bind R refresh-client

# reload tmux config
unbind r
bind r \
    source-file ~/.tmux.conf \;\
    display 'Reloaded tmux config.'

# Use vi keybindings for tmux commandline input.
# Note that to get command mode you need to hit ESC twice...
set -g status-keys emacs

# Use vi keybindings in copy and choice modes
setw -g mode-keys vi

###########################################################################
# Window management / navigation

# move between windows
bind-key C-h previous-window
bind-key C-l next-window

# C-\ (no prefix) to skip to last window we were in before this one
bind -n "C-\\" last-window

# C-Space (no prefix) to tab to next window
bind -n C-Space next-window

###########################################################################
# Pane management / navigation

# Horizontal splits with s or C-s
unbind s
unbind C-s
bind-key s split-window
bind-key C-s split-window

# Vertical split with v or C-v
unbind v
unbind C-v
bind-key v split-window -h
bind-key C-v split-window -h

# navigation with C-{h,j,k,l} -- NO PREFIX
# https://gist.github.com/mislav/5189704

bind -n C-k run-shell 'tmux-vim-select-pane -U'
bind -n C-j run-shell 'tmux-vim-select-pane -D'
bind -n C-h run-shell 'tmux-vim-select-pane -L'
bind -n C-l run-shell 'tmux-vim-select-pane -R'

# C-g C-k to passthrough a C-k
# C-k is consumed for pane navigation but we want it for kill-to-eol
unbind C-k
bind C-k send-key C-k

# Pane resize in all four directions using vi bindings.
# Can use these raw but I map them to Cmd-Opt-<h,j,k,l> in iTerm2.
# http://tangledhelix.com/blog/2012/04/28/iterm2-keymaps-for-tmux/
# Note on a few prefix options: C-a = 0x01, C-b = 0x02, C-g = 0x06
bind-key J resize-pane -D
bind-key K resize-pane -U
bind-key H resize-pane -L
bind-key L resize-pane -R

# easily toggle synchronization (mnemonic: e is for echo)
# sends input to all panes in a given window.
bind e setw synchronize-panes on
bind E setw synchronize-panes off

###########################################################################
# Scrollback / pastebuffer

# Vim-style copy/paste
unbind [
bind y copy-mode
unbind p
bind p paste-buffer
bind -t vi-copy v begin-selection
bind -t vi-copy y copy-selection
bind -t vi-copy Escape cancel

###########################################################################
# Mouse mode

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'

###########################################################################
# Color scheme (Solarized light)

# default statusbar colors
set-option -g status-bg colour231 #base2
set-option -g status-fg colour130 #yellow
set-option -g status-attr default

# default window title colors
set-window-option -g window-status-fg colour180 #base00
set-window-option -g window-status-bg default

# active window title colors
set-window-option -g window-status-current-fg colour196 #orange
set-window-option -g window-status-current-bg default

# pane border
set-option -g pane-active-border-fg black
set-option -g pane-active-border-bg white
set-option -g pane-border-fg brightcyan
set-option -g pane-border-bg default

# message text
set-option -g message-bg colour231 #base2
set-option -g message-fg colour196 #orange

# pane number display
set-option -g display-panes-active-colour colour20 #blue
set-option -g display-panes-colour colour196 #orange

# clock
set-window-option -g clock-mode-colour colour40 #green

###########################################################################