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Code Issues Releases Activity

Add "yet another" moused(8) hack: suspend handling mouse events when SIGUSR1

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is caught.  Can be assigned to a window manager shortcut to prevent accidents
with touchpads.

PR:		bin/89357
Submitted by:	Nick Hibma <nick -at- van-laarhoven.org>
MFC after:	1 week
This commit is contained in:
Philip Paeps 2005-12-04 00:28:40 +00:00
parent c7e7950d2d
commit 9eac5bb9e2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=153070
2 changed files with 38 additions and 6 deletions
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23
usr.sbin/moused/moused.8
View File

@ -89,10 +89,16 @@ data to the device so that the user program will see it.
.Pp
If the mouse daemon receives the signal
.Dv SIGHUP ,
it will reopen the mouse port and reinitialize itself.
Useful if
it will reopen the mouse port and reinitialize itself. Useful if
the mouse is attached/detached while the system is suspended.
.Pp
If the mouse daemon receives the signal
.Dv SIGUSR1 ,
it will stop passing mouse events. Sending the signal
.Dv SIGUSR1
again will resume passing mouse events. Useful if your typing on a laptop is
interrupted by accidentally touching the mouse pad.
.Pp
The following options are available:
.Bl -tag -width indent
.It Fl 3
@ -703,6 +709,19 @@ This will effectively swap the left and right buttons.
.Pp
Report negative Z axis movement (i.e., mouse wheel) as the button 4 pressed
and positive Z axis movement (i.e., mouse wheel) as the button 5 pressed.
.Pp
If you add
.Pp
.Dl ALL ALL = NOPASSWD: /usr/bin/killall -USR1 moused
.Pp
to your
.Pa /usr/local/etc/sudoers
file, and bind
.Pp
.Dl killall -USR1 moused
.Pp
to a key in your window manager, you can suspend mouse events on your laptop if
you keep brushing over the mouse pad while typing.
.Sh CAVEATS
The
.Nm

21
usr.sbin/moused/moused.c
View File

@ -159,6 +159,7 @@ typedef struct {
int debug = 0;
int nodaemon = FALSE;
int background = FALSE;
int paused = FALSE;
int identify = ID_NONE;
int extioctl = FALSE;
char *pidfile = "/var/run/moused.pid";
@ -496,6 +497,7 @@ static struct drift_xy drift_previous={0,0}; /* steps in previous drift_time */
static void moused(void);
static void hup(int sig);
static void cleanup(int sig);
static void pause_mouse(int sig);
static void usage(void);
static void log_or_warn(int log_pri, int errnum, const char *fmt, ...)
__printflike(3, 4);
@ -833,6 +835,7 @@ main(int argc, char *argv[])
signal(SIGINT , cleanup);
signal(SIGQUIT, cleanup);
signal(SIGTERM, cleanup);
signal(SIGUSR1, pause_mouse);
for (i = 0; i < retry; ++i) {
if (i > 0)
sleep(2);
@ -1195,7 +1198,8 @@ moused(void)
mouse.u.data.y = action2.dy * rodent.accely;
mouse.u.data.z = action2.dz;
if (debug < 2)
ioctl(rodent.cfd, CONS_MOUSECTL, &mouse);
if (!paused)
ioctl(rodent.cfd, CONS_MOUSECTL, &mouse);
}
} else {
mouse.operation = MOUSE_ACTION;
@ -1204,7 +1208,8 @@ moused(void)
mouse.u.data.y = action2.dy * rodent.accely;
mouse.u.data.z = action2.dz;
if (debug < 2)
ioctl(rodent.cfd, CONS_MOUSECTL, &mouse);
if (!paused)
ioctl(rodent.cfd, CONS_MOUSECTL, &mouse);
}
/*
@ -1226,7 +1231,8 @@ moused(void)
mouse.u.data.buttons = action2.button;
mouse.u.data.x = mouse.u.data.y = mouse.u.data.z = 0;
if (debug < 2)
ioctl(rodent.cfd, CONS_MOUSECTL, &mouse);
if (!paused)
ioctl(rodent.cfd, CONS_MOUSECTL, &mouse);
}
}
}
@ -1248,6 +1254,12 @@ cleanup(int sig)
exit(0);
}
static void
pause_mouse(int sig)
{
paused = !paused;
}
/**
** usage
**
@ -2536,7 +2548,8 @@ r_click(mousestatus_t *act)
mouse.operation = MOUSE_BUTTON_EVENT;
mouse.u.event.id = button;
if (debug < 2)
ioctl(rodent.cfd, CONS_MOUSECTL, &mouse);
if (!paused)
ioctl(rodent.cfd, CONS_MOUSECTL, &mouse);
debug("button %d count %d", i + 1, mouse.u.event.value);
}
button <<= 1;