ref: 248c637d25154f762a7d675662c405a169594ca0
dir: /man/2/draw-pointer/
.TH DRAW-POINTER 2
.SH NAME
Pointer \-
state of a pointer device such as a mouse
.SH SYNOPSIS
.EX
include "draw.m";
draw := load Draw Draw->PATH;
Pointer: adt
{
buttons: int;
xy: Point;
};
.EE
.SH DESCRIPTION
.TP 10
.B buttons
Each button on the device corresponds to a bit in
.BR buttons ;
zero bits indicate released (or non-existent), and one bits indicate pressed.
The bits, from least to most significant positions,
represent the buttons from left to right.
.TP
.B xy
The pointer's screen coordinates.
.PP
.IR Mux (1)
uses the
.B cptr
member of the
.B Draw->Context
adt to pass pointer events through to applications.
.SH SEE ALSO
.IR devpointer (2),
.B mouse
in
.IR tk (2)