pain_control.tmux

#!/usr/bin/env bash

default_resize_vertical="3"
default_resize_horizontal="10"

# tmux show-option "q" (quiet) flag does not set return value to 1, even though
# the option does not exist. This function patches that.
get_tmux_option() {
	local option=$1
	local default_value=$2
	local option_value=$(tmux show-option -gqv "$option")
	if [ -z $option_value ]; then
		echo $default_value
	else
		echo $option_value
	fi
}

window_move_bindings() {
	tmux bind-key -r "<" swap-window -t -1
	tmux bind-key -r ">" swap-window -t +1
}

pane_resizing_bindings() {
	local resize_vertical=$(get_tmux_option "@resize_vertical" "$default_resize_vertical")
	local resize_horizontal=$(get_tmux_option "@resize_horizontal" "$default_resize_horizontal")
	tmux bind-key -r j resize-pane -D "$resize_vertical"
	tmux bind-key -r k resize-pane -U "$resize_vertical"
	tmux bind-key -r h resize-pane -L "$resize_horizontal"
	tmux bind-key -r l resize-pane -R "$resize_horizontal"
}

pane_split_bindings() {
	tmux bind-key "\\" split-window -h -c "#{pane_current_path}"
	tmux bind-key "-" split-window -v -c "#{pane_current_path}"
	tmux bind-key "%" split-window -h -c "#{pane_current_path}"
	tmux bind-key '"' split-window -v -c "#{pane_current_path}"
}

improve_new_window_binding() {
	tmux bind-key "c" new-window -c "#{pane_current_path}"
}

main() {
	window_move_bindings
	pane_resizing_bindings
	pane_split_bindings
	improve_new_window_binding
}
main