awesomewm/modules/volume/widget.lua

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

widget.dots = dotgrid:new();
widget.dots.on_color = {1, 0, 0}
widget.dots.off_color = {0.5, 0, 0}
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::volume:popup_show_stay")
end)

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

widget.widget:connect_signal("button::press",
	function(_, _, _, button, mods)

		-- Left-click
		if (button == 1) then
			volume.toggle_mute()

		-- Scroll up
		elseif (button == 4) then
			volume.volume_up(config.volume.scroll_step)

		-- Scroll down
		elseif (button == 5) then
			volume.volume_down(config.volume.scroll_step)
		end
		awesome.emit_signal("module::volume:popup_show_stay")
	end
)

awesome.connect_signal("module::volume:update",
	function(status)
		if (status.value == false) then
			widget.dots.value = 100
			return
		end

		widget.dots.value = status.value

		if (status.mute) then
			widget.dots.on_color = {0.7, 0.7, 0.7}
			widget.dots.off_color = {0.3, 0.3, 0.3}
		else
			widget.dots.on_color = {0, 1, 0}
			widget.dots.off_color = {0, 0.5, 0}
		end

		widget.dots:emit_signal("widget::redraw_needed")
	end
)

return widget