.tmux.conf

# Change the default $TERM to tmux-256color
set -s default-terminal "screen-256color"

# remap prefix from 'C-b' to '`'
unbind C-b
set-option -g prefix C-s
bind-key C-s send-prefix

# splitting panes with | and -
bind v split-window -h -c "#{pane_current_path}"
bind s split-window -v -c "#{pane_current_path}"

bind q killp

# Enable mouse support
set -g mouse on

# Smart pane switching with awareness of Vim splits.
# See: https://github.com/christoomey/vim-tmux-navigator
# Extended to avoid clash with fzf
# See: https://www.bugsnag.com/blog/tmux-and-vim
is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
| grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
is_fzf="ps -o state= -o comm= -t '#{pane_tty}' \
  | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?fzf$'"
bind -n C-h run "($is_vim && tmux send-keys C-h) || \
                          tmux select-pane -L"
bind -n C-j run "($is_vim && tmux send-keys C-j)  || \
                         ($is_fzf && tmux send-keys C-j) || \
                         tmux select-pane -D"
bind -n C-k run "($is_vim && tmux send-keys C-k) || \
                          ($is_fzf && tmux send-keys C-k)  || \
                          tmux select-pane -U"
bind -n C-l run  "($is_vim && tmux send-keys C-l) || \
                          tmux select-pane -R"
bind-key -n C-\\ if-shell "$is_vim" "send-keys C-\\\\" "select-pane -l"

bind-key -T copy-mode-vi 'C-h' select-pane -L
bind-key -T copy-mode-vi 'C-j' select-pane -D
bind-key -T copy-mode-vi 'C-k' select-pane -U
bind-key -T copy-mode-vi 'C-l' select-pane -R
bind-key -T copy-mode-vi 'C-\' select-pane -l

# sets to 0 the delay before vim leaves insert mode after pressinc esc
set -s escape-time 0

# scrollback buffer size (default is 2000)
set -g history-limit 50000