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xsrc/xfree/xc/programs/Xserver/hw/netbsd/amiga/amigaMouse.c
Lionel Sambuc 055d5fa67c xsrc as of '2013/12/1 12:00:00 UTC'
2014-11-06 13:19:51 +01:00

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/* $XConsortium: amigaMouse.c,v 5.21 94/04/17 20:29:47 kaleb Exp $ */
/*-
* Copyright (c) 1987 by the Regents of the University of California
*
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies. The University of California
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
*/
/************************************************************
Copyright 1987 by Sun Microsystems, Inc. Mountain View, CA.
All Rights Reserved
Permission to use, copy, modify, and distribute this
software and its documentation for any purpose and without
fee is hereby granted, provided that the above copyright no-
tice appear in all copies and that both that copyright no-
tice and this permission notice appear in supporting docu-
mentation, and that the names of Sun or X Consortium
not be used in advertising or publicity pertaining to
distribution of the software without specific prior
written permission. Sun and X Consortium make no
representations about the suitability of this software for
any purpose. It is provided "as is" without any express or
implied warranty.
SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-
NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL AMIGA BE LI-
ABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
THE USE OR PERFORMANCE OF THIS SOFTWARE.
********************************************************/
/*
* Copyright 1991, 1992, 1993 Kaleb S. Keithley
*
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies. Kaleb S. Keithley makes no
* representations about the suitability of this software for
* any purpose. It is provided "as is" without express or
* implied warranty.
*/
#include <termios.h>
#define NEED_EVENTS
#include "amiga.h"
#include "mi.h"
Bool amigaActiveZaphod = TRUE;
static Bool amigaCursorOffScreen();
static void amigaCrossScreen();
miPointerScreenFuncRec amigaPointerScreenFuncs = {
amigaCursorOffScreen,
amigaCrossScreen,
miPointerWarpCursor,
};
/*-
*-----------------------------------------------------------------------
* amigaMouseCtrl --
* Alter the control parameters for the mouse. Since acceleration
* etc. is done from the PtrCtrl record in the mouse's device record,
* there's nothing to do here.
*
* Results:
* None.
*
* Side Effects:
* None.
*
*-----------------------------------------------------------------------
*/
/*ARGSUSED*/
static
#if NeedFunctionPrototypes
void amigaMouseCtrl (
DeviceIntPtr device,
PtrCtrl* ctrl)
#else
void amigaMouseCtrl (device, ctrl)
DeviceIntPtr device;
PtrCtrl* ctrl;
#endif
{
}
extern Bool amigaEmulateMiddleButton;
extern Bool amigaEmulateRightButton;
/*-
*-----------------------------------------------------------------------
* amigaMouseProc --
* Handle the initialization, etc. of a mouse
*
* Results:
* none.
*
* Side Effects:
*
*-----------------------------------------------------------------------
*/
#if NeedFunctionPrototypes
int amigaMouseProc (
DeviceIntPtr device,
int what)
#else
int amigaMouseProc (device, what)
DeviceIntPtr device; /* Mouse to play with */
int what; /* What to do with it */
#endif
{
DevicePtr pMouse = (DevicePtr) device;
int format;
static int oformat;
BYTE map[4];
char *dev;
struct termios tio;
switch (what) {
case DEVICE_INIT:
if (pMouse != LookupPointerDevice()) {
ErrorF ("Cannot open non-system mouse");
return !Success;
}
if (amigaPtrPriv.fd == -1)
return !Success;
pMouse->devicePrivate = (pointer) &amigaPtrPriv;
pMouse->on = FALSE;
map[1] = 1;
map[2] = 2;
map[3] = 3;
InitPointerDeviceStruct(
pMouse, map, 3, miPointerGetMotionEvents,
amigaMouseCtrl, miPointerGetMotionBufferSize());
break;
case DEVICE_ON:
if (ioctl (amigaPtrPriv.fd, VUIDGFORMAT, &oformat) == -1) {
if (tcgetattr(amigaPtrPriv.fd, &tio) == -1) {
Error("amigaMouseProc: serial mouse getting termios");
return !Success;
}
cfsetspeed(&tio, 1200);
cfmakeraw(&tio);
tio.c_cflag = CREAD|CS7|CLOCAL;
if (tcsetattr(amigaPtrPriv.fd, TCSANOW, &tio) == -1) {
Error("amigaMouseProc: serial mouse setting termios");
return !Success;
}
/*(void)write(amigaPtrPriv.fd, "*X", 2);*/
amigaPtrPriv.mousetype = 0;
AddEnabledDevice (amigaPtrPriv.fd);
pMouse->on = TRUE;
return Success;
}
format = VUID_FIRM_EVENT;
if (ioctl (amigaPtrPriv.fd, VUIDSFORMAT, &format) == -1) {
Error ("amigaMouseProc ioctl VUIDSFORMAT");
return !Success;
}
amigaPtrPriv.bmask = 0;
amigaPtrPriv.mousetype = -1;
AddEnabledDevice (amigaPtrPriv.fd);
pMouse->on = TRUE;
break;
case DEVICE_CLOSE:
pMouse->on = FALSE;
if (amigaPtrPriv.mousetype == -1)
if (ioctl (amigaPtrPriv.fd, VUIDSFORMAT, &oformat) == -1)
Error ("amigaMouseProc ioctl VUIDSFORMAT");
break;
case DEVICE_OFF:
pMouse->on = FALSE;
RemoveEnabledDevice (amigaPtrPriv.fd);
break;
}
return Success;
}
/*-
*-----------------------------------------------------------------------
* amigaMouseGetEvents --
* Return the events waiting in the wings for the given mouse.
*
* Results:
* A pointer to an array of Firm_events or (Firm_event *)0 if no events
* The number of events contained in the array.
* A boolean as to whether more events might be available.
*
* Side Effects:
* None.
*-----------------------------------------------------------------------
*/
#if NeedFunctionPrototypes
Firm_event* amigaMouseGetEvents (
int fd,
Bool on,
int* pNumEvents,
Bool* pAgain)
#else
Firm_event* amigaMouseGetEvents (fd, on, pNumEvents, pAgain)
int fd;
Bool on;
int* pNumEvents;
Bool* pAgain;
#endif
{
int nBytes; /* number of bytes of events available. */
static Firm_event evBuf[MAXEVENTS]; /* Buffer for Firm_events */
if ((nBytes = read (fd, (char *)evBuf, sizeof(evBuf))) == -1) {
if (errno == EWOULDBLOCK) {
*pNumEvents = 0;
*pAgain = FALSE;
} else {
Error ("amigaMouseGetEvents read");
FatalError ("Could not read from mouse");
}
} else {
if (on) {
*pNumEvents = nBytes / sizeof (Firm_event);
*pAgain = (nBytes == sizeof (evBuf));
} else {
*pNumEvents = 0;
*pAgain = FALSE;
}
}
return evBuf;
}
/*-
*-----------------------------------------------------------------------
* amigaSerGetEvents --
* Return the events waiting in the wings for the given mouse.
*
* Results:
* A pointer to an array of Firm_events or (Firm_event *)0 if no events
* The number of events contained in the array.
* A boolean as to whether more events might be available.
*
* Side Effects:
* Static State Updated XXXXXX should be in ptrPriv.
*-----------------------------------------------------------------------
*/
#if NeedFunctionPrototypes
Firm_event* amigaSerGetEvents (
int fd,
Bool on,
int* pNumEvents,
Bool* pAgain)
#else
Firm_event* amigaSerGetEvents (fd, on, pNumEvents, pAgain)
int fd;
Bool on;
int* pNumEvents;
Bool* pAgain;
#endif
{
static Firm_event evBuf[MAXEVENTS]; /* Buffer for Firm_events */
int nBytes; /* number of bytes of raw events available. */
char rawbuf[3*MAXEVENTS/4]; /* 3 raw bytes can generate 4 events */
static int byteno = 0;
int i, evnum = 0;
struct timeval now;
if ((nBytes = read (fd, rawbuf, sizeof(rawbuf))) == -1) {
if (errno == EWOULDBLOCK) {
*pNumEvents = 0;
*pAgain = FALSE;
} else {
Error ("amigaSerGetEvents read");
FatalError ("Could not read from mouse");
}
} else {
if (on) {
*pAgain = (nBytes == sizeof(rawbuf));
(void)gettimeofday(&now, (void *)0);
for (i=0; i < nBytes; i++) {
if ((rawbuf[i] & 0x40) == 0x40) {
byteno = 0;
}
if ((byteno == 0) && ((rawbuf[i] & 0x40) != 0x40)) {
if ((rawbuf[i] & ~0x23) != 0)
continue;
evBuf[evnum].id = MS_MIDDLE;
evBuf[evnum].value = rawbuf[i] & 0x20 ?
VKEY_DOWN : VKEY_UP;
/* firm_event still uses 32 bit time */
evBuf[evnum].time.tv_sec = now.tv_sec;
evBuf[evnum].time.tv_usec = now.tv_usec;
evnum++;
continue;
}
switch(byteno) {
case 0:
amigaPtrPriv.fb = rawbuf[i];
byteno = 1;
break;
case 1:
amigaPtrPriv.dx = (char)
(((amigaPtrPriv.fb & 0x3) << 6) | rawbuf[i]);
byteno = 2;
break;
case 2:
amigaPtrPriv.dy = (char)
(((amigaPtrPriv.fb & 0xc) << 4) | rawbuf[i]);
if (amigaPtrPriv.dx) {
evBuf[evnum].id = LOC_X_DELTA;
evBuf[evnum].value = amigaPtrPriv.dx;
/* firm_event still uses 32 bit time */
evBuf[evnum].time.tv_sec = now.tv_sec;
evBuf[evnum].time.tv_usec = now.tv_usec;
evnum++;
}
if (amigaPtrPriv.dy) {
evBuf[evnum].id = LOC_Y_DELTA;
evBuf[evnum].value = amigaPtrPriv.dy;
/* firm_event still uses 32 bit time */
evBuf[evnum].time.tv_sec = now.tv_sec;
evBuf[evnum].time.tv_usec = now.tv_usec;
evnum++;
}
amigaPtrPriv.fb ^= amigaPtrPriv.bmask;
if (amigaPtrPriv.fb & 0x10) {
amigaPtrPriv.bmask ^= 0x10;
evBuf[evnum].id = MS_RIGHT;
evBuf[evnum].value = amigaPtrPriv.bmask & 0x10
? VKEY_DOWN: VKEY_UP;
/* firm_event still uses 32 bit time */
evBuf[evnum].time.tv_sec = now.tv_sec;
evBuf[evnum].time.tv_usec = now.tv_usec;
evnum++;
}
if (amigaPtrPriv.fb & 0x20) {
amigaPtrPriv.bmask ^= 0x20;
evBuf[evnum].id = MS_LEFT;
evBuf[evnum].value = amigaPtrPriv.bmask & 0x20
? VKEY_DOWN: VKEY_UP;
/* firm_event still uses 32 bit time */
evBuf[evnum].time.tv_sec = now.tv_sec;
evBuf[evnum].time.tv_usec = now.tv_usec;
evnum++;
}
byteno = 0;
} /* switch */
} /* for */
*pNumEvents = evnum;
} else {
*pNumEvents = 0;
*pAgain = FALSE;
}
}
return evBuf;
}
/*-
*-----------------------------------------------------------------------
* MouseAccelerate --
* Given a delta and a mouse, return the acceleration of the delta.
*
* Results:
* The corrected delta
*
* Side Effects:
* None.
*
*-----------------------------------------------------------------------
*/
static short
MouseAccelerate (device, delta)
DeviceIntPtr device;
int delta;
{
int sgn = sign(delta);
PtrCtrl *pCtrl;
short ret;
delta = abs(delta);
pCtrl = &device->ptrfeed->ctrl;
if (delta > pCtrl->threshold) {
ret =
(short) sgn *
(pCtrl->threshold + ((delta - pCtrl->threshold) * pCtrl->num) /
pCtrl->den);
} else {
ret = (short) sgn * delta;
}
return ret;
}
/*-
*-----------------------------------------------------------------------
* amigaMouseEnqueueEvent --
* Given a Firm_event for a mouse, pass it off the the dix layer
* properly converted...
*
* Results:
* None.
*
* Side Effects:
* The cursor may be redrawn...? devPrivate/x/y will be altered.
*
*-----------------------------------------------------------------------
*/
#if NeedFunctionPrototypes
void amigaMouseEnqueueEvent (
DeviceIntPtr device,
Firm_event *fe,
Firm_event *fe_next)
#else
void amigaMouseEnqueueEvent (device, fe, fe_next)
DeviceIntPtr device; /* Mouse from which the event came */
Firm_event *fe; /* Event to process */
Firm_event *fe_next; /* Next Event for emulating middle or right */
#endif
{
xEvent xE;
amigaPtrPrivPtr pPriv; /* Private data for pointer */
int bmask; /* Temporary button mask */
unsigned long time;
int x, y;
time_t time64; /* firm_event still uses 32 bit time */
pPriv = (amigaPtrPrivPtr)device->public.devicePrivate;
time = xE.u.keyButtonPointer.time = GetTimeInMillis();
switch (fe->id) {
case MS_LEFT:
case MS_MIDDLE:
case MS_RIGHT:
/*
* A button changed state. Sometimes we will get two events
* for a single state change. Should we get a button event which
* reflects the current state of affairs, that event is discarded.
*
* Mouse buttons start at 1.
*/
#define MS_MIDDLE_BUTTON_MASK 0x4
#define MS_RIGHT_BUTTON_MASK 0x8
#define MS_ALL_BUTTONS_MASK 0xe
xE.u.u.detail = (fe->id - MS_LEFT) + 1;
/* If we're emulating the right, the real right button becomes middle */
if (amigaEmulateRightButton && fe->id == MS_RIGHT)
xE.u.u.detail = 2;
bmask = 1 << xE.u.u.detail;
if (fe->value == VKEY_UP) {
xE.u.u.type = ButtonRelease;
if (amigaEmulateMiddleButton &&
(pPriv->bmask & MS_MIDDLE_BUTTON_MASK)) {
/* Any button release when emulating the middle mouse button
* causes a fake middle mouse button release if the middle
* button was "pressed".
*/
xE.u.u.detail = 2;
pPriv->bmask &= ~MS_MIDDLE_BUTTON_MASK;
} else if (amigaEmulateRightButton &&
(pPriv->bmask & MS_RIGHT_BUTTON_MASK)) {
xE.u.u.detail = 3;
pPriv->bmask &= ~MS_RIGHT_BUTTON_MASK;
} else if (pPriv->bmask & bmask) {
pPriv->bmask &= ~bmask;
} else {
return;
}
} else {
xE.u.u.type = ButtonPress;
/* Ignore next event if not a mouse button press event */
if (fe_next && fe_next->id != MS_LEFT &&
fe_next->id != MS_MIDDLE && fe_next->id != MS_RIGHT)
fe_next = NULL;
if (amigaEmulateMiddleButton && fe_next &&
fe_next->value == VKEY_DOWN && fe_next->id != fe->id &&
(pPriv->bmask & MS_ALL_BUTTONS_MASK) == 0) {
/* A mouse button down with another mouse button down to
* follow causes a fake button 2 down event but only if no
* other mouse buttons were already pressed i.e.
* the user pressed the left button followed by the right
* rather than both together.
*/
pPriv->bmask |= MS_MIDDLE_BUTTON_MASK;
xE.u.u.detail = 2;
} else if (amigaEmulateRightButton && fe_next &&
fe_next->value == VKEY_DOWN && fe_next->id != fe->id &&
(pPriv->bmask & MS_ALL_BUTTONS_MASK) == 0) {
pPriv->bmask |= MS_RIGHT_BUTTON_MASK;
xE.u.u.detail = 3;
} else if ((pPriv->bmask & bmask) == 0 &&
!(amigaEmulateMiddleButton &&
(pPriv->bmask & MS_MIDDLE_BUTTON_MASK)) &&
!(amigaEmulateRightButton &&
(pPriv->bmask & MS_RIGHT_BUTTON_MASK))) {
pPriv->bmask |= bmask;
} else {
return;
}
}
mieqEnqueue (&xE);
break;
case LOC_X_DELTA:
miPointerDeltaCursor (MouseAccelerate(device,fe->value),0,time);
break;
case LOC_Y_DELTA:
miPointerDeltaCursor (0,MouseAccelerate(device,fe->value),time);
break;
#ifdef LOC_X_ABSOLUTE
case LOC_X_ABSOLUTE:
miPointerPosition (&x, &y);
miPointerAbsoluteCursor (fe->value, y, time);
break;
case LOC_Y_ABSOLUTE:
miPointerPosition (&x, &y);
miPointerAbsoluteCursor (x, fe->value, time);
break;
#endif
default:
time64 = fe->time.tv_sec; /* firm_event still uses 32 bit time */
FatalError ("amigaMouseEnqueueEvent: unrecognized id 0x%x val 0x%x time %s\n",
fe->id, fe->value, ctime(&time64));
break;
}
}
/*ARGSUSED*/
static Bool
amigaCursorOffScreen (pScreen, x, y)
ScreenPtr *pScreen;
int *x, *y;
{
int index, ret = FALSE;
extern Bool PointerConfinedToScreen();
if (PointerConfinedToScreen()) return TRUE;
/*
* Active Zaphod implementation:
* increment or decrement the current screen
* if the x is to the right or the left of
* the current screen.
*/
if (amigaActiveZaphod &&
screenInfo.numScreens > 1 && (*x >= (*pScreen)->width || *x < 0)) {
index = (*pScreen)->myNum;
if (*x < 0) {
index = (index ? index : screenInfo.numScreens) - 1;
*pScreen = screenInfo.screens[index];
*x += (*pScreen)->width;
} else {
*x -= (*pScreen)->width;
index = (index + 1) % screenInfo.numScreens;
*pScreen = screenInfo.screens[index];
}
ret = TRUE;
}
return ret;
}
static void
amigaCrossScreen (pScreen, entering)
ScreenPtr pScreen;
Bool entering;
{
if (amigaFbs[pScreen->myNum].EnterLeave)
(*amigaFbs[pScreen->myNum].EnterLeave) (pScreen, entering ? 0 : 1);
}
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