ref: f8935b5778397074d41a48205e5c7f87d7b531fe
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)