.tmux.conf

# Change Prefix to Alt-a.
# set -g prefix M-a

# Window index starts from 1 (default 0).
set -g base-index 1

# `set-window-option`.
# Pane index starts from 1 (default 0).
setw -g pane-base-index 1

# Prefix-r to reload config file and notify.
# bind r source-file ~/.tmux.conf \; display "Reloaded!"
# No Prefix is needed, just Ctrl-r to reload config file.
# bind-key -n C-r source-file ~/.tmux.conf \; display "Reloaded!"

# Window splitting.
bind | split-window -h
bind - split-window -v

# Panel navigation (like in Vim).
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# Window cycling.
# Repeat limit 500 ms by default.
bind -r C-h select-window -t :-
bind -r C-l select-window -t :+

# Pane resizing.
# Repeat limit 500 ms by default.
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

# Mouse handling.
# Enable the mouse entirely:
#   setw -g mode-mouse on
set -g mouse-select-pane   on
set -g mouse-resize-pane   on
set -g mouse-select-window on
# Disable the mouse entirely:
#   setw -g mode-mouse off