.tmux.conf

# Remap prefix from 'C-b' to 'C-t'
unbind C-b
set -g prefix C-t
bind-key -r C-t send-prefix

bind-key r source-file ~/.tmux.conf \; display-message "~/.tmux.conf reloaded."

# Split panes using / and -
bind / split-window -h -c "#{pane_current_path}"
bind - split-window -v -c "#{pane_current_path}"
bind c new-window -c "#{pane_current_path}"
bind b break-pane -d
unbind '"'
unbind %

# Switch panes using Alt-arrow without prefix
bind -n S-Left resize-pane -L 5
bind -n S-Right resize-pane -R 5
bind -n S-Up resize-pane -U 2
bind -n S-Down resize-pane -D 2

# # keybindings to make navigation easier
bind -n C-h select-pane -L
bind -n C-j select-pane -D
bind -n C-k select-pane -U
bind -n C-l select-pane -R

# Don't rename windows automatically
set -g allow-rename off

set -g default-terminal "screen-256color"

# Status bar
set -g status-keys "emacs"
set -g status-bg default
set -g status-fg "#cc241d"
set -g status-left-length 50
set -g status-justify left
set -g status-attr default
set -g status-right " #(battery -t) | #(date '+%a, %b %d - %I:%M') "

set-window-option -g window-status-fg "#666666"
set-window-option -g window-status-bg default
set-window-option -g window-status-attr default
set-window-option -g window-status-current-fg red
set-window-option -g window-status-current-bg default
set-window-option -g window-status-current-attr default

set-option -g message-fg white
set-option -g message-bg black
set-option -g message-attr bright

# Window numbering starts with 1
set -g base-index 1
set-window-option -g pane-base-index 1
set -g renumber-windows on
set -g default-shell $SHELL
set -g default-command "reattach-to-user-namespace ${SHELL} --login"

# Use vim keybindings in copy mode
setw -g mode-keys vi

# Setup 'v' to begin selection as in Vim
bind -t vi-copy v begin-selection
bind -t vi-copy y copy-pipe "reattach-to-user-namespace pbcopy"

# Update default binding of `Enter` to also use copy-pipe
unbind -t vi-copy Enter
bind -t vi-copy Enter copy-pipe "reattach-to-user-namespace pbcopy"
bind C-j split-window -v "tmux list-sessions | sed -E 's/:.*$//' | grep -v \"^$(tmux display-message -p '#S')\$\" | fzf --reverse | xargs tmux switch-client -t"

# Prompted join-pane
bind j command-prompt -p "join pane from: "  "join-pane -h -s '%%'"

# Easily swap a pane (targeted by pane number) with the current pane
bind-key s display-panes\; command-prompt -p "pane #: "  "swap-pane -t '%%'"
bind-key K run-shell 'tmux switch-client -n \; kill-session -t "$(tmux display-message -p "#S")" || tmux kill-session'

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

set -g history-limit 30000

set -g mouse on
setw -g mouse on

# Set ability to capture on start and restore on exit window data when running an application
setw -g alternate-screen on
set -s escape-time 50