tmux.conf

# hint:
# "set synchronize-panes" to execute a command in all visible panes
bind-key C-b last-window
bind-key C-v last-pane
bind-key R respawn-window

# splits open in same working directory
bind '"' split-window -c "#{pane_current_path}"
bind '%' split-window -h -c "#{pane_current_path}"

# set global r-o-e so that initial window of initial session gets it
## legacy: set -g set-remain-on-exit on
set -g remain-on-exit on

# Set status bar
set -g status-bg white
set -g status-fg black
set -g status-left "#[bg=black,fg=white,bold]#h #[default]"
set -g status-right "#[fg=magenta]#(~/.tmux-status.sh)#[default]"
# tmux 2.3+ pwd as window title https://stackoverflow.com/questions/28376611/how-to-automatically-rename-tmux-windows-to-the-current-directory
set-option -g status-interval 5
set-option -g automatic-rename on
set-option -g automatic-rename-format '#{b:pane_current_path}'

# Highlight active window
# version <2.9: set-window-option -g window-status-current-bg magenta
set-window-option -g window-status-current-style bg=magenta

# force a reload of the config file
unbind r
bind r source-file ~/.tmux.conf

# vim key bindings to switch panes
setw -g mode-keys vi
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R
unbind p
bind p paste-buffer
## legacy: bind -t vi-copy v begin-selection
## legacy: bind -t vi-copy y copy-selection
bind-key -T copy-mode-vi 'y' send-keys -X copy-selection

# change panes with Ctrl+Arrow keys
bind -n C-Left select-pane -L
bind -n C-Right select-pane -R
bind -n C-Up select-pane -U
bind -n C-Down select-pane -D

# close pane on shell exit
set -g remain-on-exit off
# version <2.4: set -g set-remain-on-exit off

# make mouse usable
#setw -g mode-mouse on
#setw -g mouse-select-window on
#setw -g mouse-select-pane on
# send prefix to embedded tmux session
bind C-a send-prefix
# notify on window activity
setw -g monitor-activity on

# key codes like xterm
set-option -g xterm-keys on