awesomewm/modules/launcher/widget.lua

local launcher = req_rel(..., "util")
local widget = {}

widget.icon = wibox.widget {
	resize = true,
	image = beautiful.icons[config.launcher.icon],
	widget = wibox.widget.imagebox
}

widget.widget = wibox.widget {
	{
		{   -- Right space
			widget = wibox.widget.separator,
			color = beautiful.color.transparent,
			forced_width = beautiful.dpi(3)
		},
		{
			widget.icon,
			top = beautiful.dpi(2),
			bottom = beautiful.dpi(2),
			layout = wibox.container.margin,
		},
		{   -- Left space
			widget = wibox.widget.separator,
			color = beautiful.color.transparent,
			forced_width = beautiful.dpi(3)
		},
		layout = wibox.layout.align.horizontal,
	},
	layout = wibox.container.background,
}

widget.widget:connect_signal("mouse::enter", function(result)
	widget.widget.bg = beautiful.color.bar.hover_bg
end)

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

widget.widget:connect_signal("button::press",
	function(_, _, _, button, mods)
		if (button == 1) then
			launcher.launcher()
		end
	end
)
return widget