awesomewm/core/layouts/widget.lua

local layoutmanager = require("core.layouts.layoutmanager")

local make = function(screen)
	local widget

	widget = wibox.widget {
		{
			awful.widget.layoutbox(screen),
			margins = beautiful.dpi(3),
			layout = wibox.container.margin,
		},
		layout = wibox.container.background,
	}

	-- Setup buttons
	widget:buttons(
		gears.table.join(
			awful.button({ }, 1, function () layoutmanager:next_alt() end),
			awful.button({ }, 3, function () layoutmanager:prev_alt() end),
			awful.button({ }, 4, function () layoutmanager:next() end),
			awful.button({ }, 5, function () layoutmanager:prev() end)
		)
	)


	-- Change background when mouse is over widget
	widget:connect_signal("mouse::enter", function(result)
		widget.bg = beautiful.color.bar.hover_bg
	end)

	widget:connect_signal("mouse::leave", function(result)
		widget.bg = beautiful.color.transparent
	end)

	return widget
end

return make