awesomewm/modules/volume/widget.lua

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


widget.icon = wibox.widget {
	resize = true,
	image = beautiful.icons.volume.mute,
	widget = wibox.widget.imagebox
}

widget.arc = wibox.widget {
	{
		widget.icon,
		top = beautiful.dpi(1),
		bottom = beautiful.dpi(1),
		layout = wibox.container.margin,
	},
	max_value = 1,
	thickness = beautiful.dpi(4),
	start_angle = 4.71238898, -- 2pi*3/4
	--forced_height = beautiful.dpi(16),
	--forced_width = beautiful.dpi(16),
	colors = {"#27D4CC", "#00446B"},
	bg = "#FFFFFF30",
	paddings = beautiful.dpi(2),
	widget = wibox.container.arcchart
}

widget.bar = wibox.widget {
	max_value = 100,
	value = 0,
	--forced_height = 20,
	forced_width = beautiful.dpi(50),
	paddings = 0,
	border_width = 0,
	color = {
		type = "linear",
		from = {0, 0}, to = {beautiful.dpi(50), 0},
		stops = { { 0, "#27D4CC" }, { 1, "#00446B" }}
	},
	background_color = "#FFFFFF30",
	widget = wibox.widget.progressbar,
	shape = gears.shape.rounded_bar,
}


widget.widget = wibox.widget {
	{
		{   -- Right space
			widget = wibox.widget.separator,
			color = beautiful.color.transparent,
			forced_width = beautiful.dpi(3)
		},
		{
			widget.arc,
			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)

		-- Right-click
		if (button == 3) then
			volume.toggle_mute()

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

		-- Scroll down
		elseif (button == 5) then
			volume.volume_down()
		end
	end
)

widget.update = function(status)

	if (status.value == false) then
		widget.icon.image = beautiful.icons.volume.error
		widget.arc.value = 100;
		widget.bar.value = 100;
		return
	end

	widget.arc.value = status.value / 100;
	widget.bar.value = status.value;


	if (status.mute) then
		-- Set muted icon
		widget.icon.image = beautiful.icons.volume.mute
	else
		-- Set icon by value
		if status.value > 70 then
			widget.icon.image = beautiful.icons.volume.high
		elseif status.value > 40 then
			widget.icon.image = beautiful.icons.volume.medium
		elseif status.value > 0 then
			widget.icon.image = beautiful.icons.volume.low
		elseif status.value == 0 then
			widget.icon.image = beautiful.icons.volume.off
		end
	end
end


volume.add_hook(widget.update)
volume.commands:watch(
	5,
	function()
		volume.commands:get(widget.update)
	end,
	widget.widget
)

return widget