awesomewm/modules/backlight/widget.lua

local backlight = req_rel(..., "util")
local widget = {}
local dotgrid = require("widgets.dotgrid")

widget.dots = dotgrid:new();
widget.dots.on_color = {0.18, 0.88, 1}
widget.dots.off_color = {0.1, 0.44, 0.5}
widget.dots.spacing = beautiful.dpi(2)

widget.widget = wibox.widget {
	{
		widget.dots,
		top = beautiful.dpi(2),
		bottom = beautiful.dpi(2),
		left = beautiful.dpi(2),
		right = beautiful.dpi(2),
		layout = wibox.container.margin,
	},
	layout = wibox.container.background,
}

widget.widget:connect_signal("mouse::enter", function(result)
	widget.widget.bg = beautiful.color.bar.hover_bg
	awesome.emit_signal("module::backlight:popup_show_stay")
end)

widget.widget:connect_signal("mouse::leave", function(result)
	widget.widget.bg = beautiful.color.transparent
	awesome.emit_signal("module::backlight:popup_show")
end)

widget.widget:connect_signal("button::press",
	function(_, _, _, button, mods)
		-- Scroll up
		if (button == 4) then
			backlight.backlight_up(config.backlight.scroll_step)
		-- Scroll down
		elseif (button == 5) then
			backlight.backlight_down(config.backlight.scroll_step)
		end

		awesome.emit_signal("module::backlight:popup_show_stay")
	end
)

awesome.connect_signal("module::backlight:update",
	function(value)
		widget.dots.value = value
		widget.dots:emit_signal("widget::redraw_needed")
	end
)

backlight.watch(
	5,
	function()
		awesome.emit_signal("module::backlight::update_read")
	end,
	widget.widget
)

return widget