tmux.conf

# Set prefix.
set -g prefix C-a
bind C-a send-prefix

# Speed up escape key to speed up vim.
set -sg escape-time 0
set -g set-titles on
set -g set-titles-string "#{pane_current_command}: #{b:pane_current_path}"
set -g terminal-overrides 'xterm*:smcup@:rmcup@'
set -g history-limit 50000

# Enable mouse support.
set -g mouse on
set -g focus-events on

# Enable true color.
set -ga terminal-overrides ",xterm-256color:RGB:XT"
set -g default-terminal "tmux-256color"

# Enable cursor changes.
set -ga terminal-overrides ',*:Ss=\E[%p1%d q:Se=\E[2 q'

# Start window numbers from 1.
set -g base-index 1

# Renumber windows after change.
set -g renumber-windows on

# Reload source file.
bind r source-file ~/.tmux.conf

# Custom keybindings.
bind x kill-session

bind \\ split-window -h -c "#{pane_current_path}"
bind - split-window -v -c "#{pane_current_path}"

bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

bind m resize-pane -Z
bind C-m resize-pane -Z

bind -r C-h select-window -t :-
bind -r C-l select-window -t :+
bind -r C-j select-pane -D
bind -r C-k select-pane -U

bind -r J resize-pane -D 5
bind -r K resize-pane -U 5
bind -r H resize-pane -L 5
bind -r L resize-pane -R 5
bind C-n new-window -c "#{pane_current_path}"

bind -r C-[ copy-mode

# Use vi keys.
setw -g mode-keys vi
bind -T copy-mode-vi Escape send cancel

unbind p
bind p paste-buffer
bind -T copy-mode-vi v send -X begin-selection
bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "pbcopy"

# Theme.
set -g status-style bg=default
set -g status-justify 'left'
set -g status-left-length '100'
set -g status 'on'
set -g status-right-length '100'
set -g status-interval 1
set -g status-left ' '

set -g message-style "fg=#faf4ed,bg=#eb6f92,bold"
set -g pane-border-style "fg=#575279"
set -g pane-active-border-style "fg=#575279"

setw -g pane-border-format '─'
setw -g pane-border-status bottom
setw -g status-right ' '
setw -g window-status-separator ' '
setw -g window-status-style "fg=#9893a5"
setw -g window-status-format '#{b:pane_current_path}[#{pane_current_command}]'
setw -g window-status-current-format '#[fg=#9ccfd8,bold]#{?window_zoomed_flag,(,}#{b:pane_current_path}#[fg=#f6c177,none,italics][#{pane_current_command}]#{?window_zoomed_flag,),}'
setw -g window-status-activity-style "fg=#fffaf3"