freebsd-skq/share/man/man4/sysmouse.4
1997-03-07 02:50:01 +00:00

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.\" Copyright (c) 1997
.\" John-Mark Gurney. All rights reserved.
.\"
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.\" $Id$
.\"
.Dd February 14, 1997
.Dt SYSMOUSE 4 i386
.Os
.Sh NAME
.Nm sysmouse
.Nd supplies mouse data from syscons for other applications
.Sh SYNOPSIS
.Fd #include <machine/console.h>
.Ft int
.Fn ioctl cfd CONS_MOUSECTL struct\ *mouse_info
.Sh DESCRIPTION
The
.Dv CONS_MOUSECTL
.Fn ioctl
call provides syscons with mouse information, which includes mouse movement
and button presses. The
.Fn ioctl
also provides a method for a process to receive a
.Xr signal 3
when a button is pressed.
.Pp
.Xr moused 8
uses this
.Fn ioctl
to inform the console of mouse actions. Applications
.Pq such as Tn X\ Windows
can use
.Pa /dev/sysmouse ,
allowing syscons and the application to share the mouse.
.Pp
.Bd -literal -offset indent
struct mouse_info {
int operation;
union {
struct mouse_data data;
struct mouse_mode mode;
}u;
};
.Ed
.Bl -tag -width operation
.It Dv operation
This can be one of
.Bl -tag -width MOUSE_MOVEABS
.It Dv MOUSE_SHOW
Enables and displays mouse cursor.
.It Dv MOUSE_HIDE
Disables and hides mouse cursor.
.It Dv MOUSE_MOVEABS
Moves mouse cursor to position supplied in
.Dv u.data .
.It Dv MOUSE_MOVEREL
Add position supplied in
.Dv u.data
to current position.
.It Dv MOUSE_GETINFO
Returns current mouse position and button status in
.Dv u.data .
.It Dv MOUSE_MODE
This sets the
.Xr signal 3
to be delivered to the current process when a button is pressed.
The signal to be delivered is set in
.Dv u.mode .
.It Dv MOUSE_ACTION
This takes the information in
.Dv u.data
and acts upon it. It includes processing button presses if the current vty
is a text interface, and sending
.Tn Mouse System
protocol data to
.Pa /dev/sysmouse
if it is open.
.El
.It Dv u
This union is one of
.Bl -tag -width data
.It Dv data
.Bd -literal -offset indent
struct mouse_data {
int x;
int y;
int buttons;
};
.Ed
.It Dv mode
.Bd -literal -offset indent
struct mouse_mode {
int mode;
int signal;
};
.Ed
.El
.El
.Sh FILES
.Bl -tag -width /dev/consolectl -compact
.It Pa /dev/consolectl
device to control the console
.It Pa /dev/sysmouse
mouse action output
.El
.Sh SEE ALSO
.Xr vidcontrol 1 ,
.Xr signal 3 ,
.Xr moused 8
.Sh HISTORY
The
.Nm
manual page example first appeared in
.Fx 2.2 .
.Sh AUTHOR
This
manual page was written by John-Mark Gurney
.Aq gurney_j@efn.org .