.tmux.conf

# Pane resize in all four directions using vi bindings.
# Can use these raw but I map them to shift-ctrl-<h,j,k,l> in iTerm.
bind -r H resize-pane -L 5
bind -r J resize-pane -D 5
bind -r K resize-pane -U 5
bind -r L resize-pane -R 5

# Smart pane switching with awareness of vim splits.
# Source: https://github.com/christoomey/vim-tmux-navigator
bind -n C-h run "(tmux display-message -p '#{pane_current_command}' | grep -iqE '(^|\/)g?(view|vim?)(diff)?$' && tmux send-keys C-h) || tmux select-pane -L"
bind -n C-j run "(tmux display-message -p '#{pane_current_command}' | grep -iqE '(^|\/)g?(view|vim?)(diff)?$' && tmux send-keys C-j) || tmux select-pane -D"
bind -n C-k run "(tmux display-message -p '#{pane_current_command}' | grep -iqE '(^|\/)g?(view|vim?)(diff)?$' && tmux send-keys C-k) || tmux select-pane -U"
bind -n C-l run "(tmux display-message -p '#{pane_current_command}' | grep -iqE '(^|\/)g?(view|vim?)(diff)?$' && tmux send-keys C-l) || tmux select-pane -R"

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

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

# 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

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

# Patch for OS X pbpaste and pbcopy under tmux.
set-option -g default-command "which reattach-to-user-namespace > /dev/null && reattach-to-user-namespace -l $SHELL || $SHELL"

# Screen like binding
set-option -g prefix C-a
unbind-key C-a
bind-key C-a send-prefix

# No escape time for vi mode
set -sg escape-time 0

# Screen like binding for last window
unbind l
bind C-a last-window

# Bigger history
set -g history-limit 10000

# New windows/pane in $PWD
bind c new-window -c "#{pane_current_path}"

# force a reload of the config file
unbind r
bind r source-file ~/.tmux.conf \; display "Reloaded!"

# Local config
if-shell "[ -f ~/.tmux.conf.user ]" 'source ~/.tmux.conf.user'

# Setup vim copy/pasta
setw -g mode-keys vi
bind-key -t vi-copy 'v' begin-selection # Begin selection in copy mode.
bind-key -t vi-copy 'C-v' rectangle-toggle # Begin selection in copy mode.
bind-key -t vi-copy 'y' copy-selection # Yank selection in copy mode.
# unbind-key -t vi-copy