volume — Inferno 1.1ed

volume

Volumectl: module
{
PATH:      con "/dis/lib/volume.dis";
volumectl: fn(ctxt: ref Draw->Context, ch: chan of int, device: 
string);
};


ctxt	A Context that provides volumectl with access to the display. It is used to display a slider widget. The slider automatically disappears after several seconds of inactivity.
ch	A chan of int through which volumectl receives input from the infrared controller. The values recognized are:
	`VolUP`	increase volume
	`VolDN`	decrease volume
	`Enter`	exit
	Other values	are ignored
device	This argument is a string that is used as a prefix to commands to the device (e.g., "audio out").