97 lines
3.9 KiB
Groff
97 lines
3.9 KiB
Groff
.\" $NetBSD: ms.4,v 1.4 2002/01/15 01:30:39 wiz Exp $
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.\"
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.\" Copyright (c) 1995 Leo Weppelman
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Leo Weppelman.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\"
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.Dd October 16, 1995
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.Dt MS 4 atari
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.Os
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.Sh NAME
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.Nm ms
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.Nd
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.Tn Atari
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mouse interface
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.Sh SYNOPSIS
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.Cd "pseudo-device mouse 1"
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.Sh DESCRIPTION
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The Atari mouse driver supports both the original Atari mouse and the third
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party 3-button mouse that has its middle button connected to the up-switch
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of the second joystick port. To accommodate X11 users with a standard mouse,
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the driver is able to emulate the middle button. See the section on ioctls
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for more info.
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.Ss Supported ioctls
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.Bl -tag -width MIOCG3B_EMUL -compact
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.It MIOCS3B_EMUL
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This ioctl turns the middle button emulation on or off depending on its
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argument. The middle button event is triggered by simultaneously pressing
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the left and right buttons. The default emulation mode is on.
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.Pp
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Note that the emulation status is retained across multiple open/close calls.
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.It MIOCG3B_EMUL
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This ioctl allows you to get the actual status of the emulation mode.
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.El
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.Ss Interface description
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The Atari mouse interface works on a minimal emulation of Sun's Firm_event
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structures. The primary reason for this is easy interfacing with X11.
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.Pp
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The movement and button events are read as structures of the form:
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.Bd -literal
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typedef struct Firm_event {
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u_int_16_t id; /* key or MS_* or LOC_[XY]_DELTA */
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u_int_16_t pad; /* unused */
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int_16_t value; /* VKEY_{UP,DOWN} or locator delta */
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struct timeval time; /* time stamp of the event */
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}
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.Ed
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.Pp
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The values of 'id' concerning the mouse:
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.Bd -literal
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#define MS_LEFT 0x7f20 /* left mouse button */
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#define MS_MIDDLE 0x7f21 /* middle mouse button */
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#define MS_RIGHT 0x7f22 /* right mouse button */
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#define LOC_X_DELTA 0x7f80 /* mouse delta-X */
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#define LOC_Y_DELTA 0x7f81 /* mouse delta-Y */
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.Ed
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.Pp
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The values of 'value' concerning a button event:
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.Bd -literal
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#define VKEY_UP 0 /* a button went up */
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#define VKEY_DOWN 1 /* a button went down */
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.Ed
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.Sh FILES
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.Bl -tag -width /dev/mouse0 -compact
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.It Pa /dev/mouse0
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The real mouse device
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.It Pa /dev/mouse
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The currently active mouse device
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.El
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.Sh BUGS
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The time interval that defines 'simultaneous' cannot be set.
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