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/* $XConsortium: sunIo.c,v 5.29 95/01/12 18:59:25 kaleb Exp kaleb $ */
/*-
* sunIo.c --
* Functions to handle input from the keyboard and mouse.
*
* 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 SUN 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.
********************************************************/
#define NEED_EVENTS
#include "sun.h"
/*-
*-----------------------------------------------------------------------
* ProcessInputEvents --
* Retrieve all waiting input events and pass them to DIX in their
* correct chronological order. Only reads from the system pointer
* and keyboard.
*
* Results:
* None.
*
* Side Effects:
* Events are passed to the DIX layer.
*
*-----------------------------------------------------------------------
*/
void
ProcessInputEvents ()
{
(void) mieqProcessInputEvents ();
miPointerUpdate ();
}
/*
*-----------------------------------------------------------------------
* sunEnqueueEvents
* When a SIGIO is received, read device hard events and
* enqueue them using the mi event queue
*/
void sunEnqueueEvents (
#if NeedFunctionPrototypes
void
#endif
)
{
Firm_event *ptrEvents, /* Current pointer event */
*kbdEvents; /* Current keyboard event */
int numPtrEvents, /* Number of remaining pointer events */
numKbdEvents; /* Number of remaining keyboard events */
int nPE, /* Original number of pointer events */
nKE; /* Original number of keyboard events */
Bool PtrAgain, /* need to (re)read */
KbdAgain; /* need to (re)read */
DeviceIntPtr pPointer;
DeviceIntPtr pKeyboard;
sunKbdPrivPtr kbdPriv;
sunPtrPrivPtr ptrPriv;
pPointer = (DeviceIntPtr)LookupPointerDevice();
pKeyboard = (DeviceIntPtr)LookupKeyboardDevice();
ptrPriv = (sunPtrPrivPtr) pPointer->public.devicePrivate;
kbdPriv = (sunKbdPrivPtr) pKeyboard->public.devicePrivate;
if (!pPointer->public.on || !pKeyboard->public.on)
return;
numPtrEvents = 0;
PtrAgain = TRUE;
numKbdEvents = 0;
KbdAgain = TRUE;
/*
* So long as one event from either device remains unprocess, we loop:
* Take the oldest remaining event and pass it to the proper module
* for processing. The DDXEvent will be sent to ProcessInput by the
* function called.
*/
while (1) {
/*
* Get events from both the pointer and the keyboard, storing the number
* of events gotten in nPE and nKE and keeping the start of both arrays
* in pE and kE
*/
if ((numPtrEvents == 0) && PtrAgain) {
ptrEvents = sunMouseGetEvents (ptrPriv->fd, pPointer->public.on,
&nPE, &PtrAgain);
numPtrEvents = nPE;
}
if ((numKbdEvents == 0) && KbdAgain) {
kbdEvents = sunKbdGetEvents (kbdPriv->fd, pKeyboard->public.on,
&nKE, &KbdAgain);
numKbdEvents = nKE;
}
if ((numPtrEvents == 0) && (numKbdEvents == 0))
break;
if (numPtrEvents && numKbdEvents) {
if (timercmp (&kbdEvents->time, &ptrEvents->time, <)) {
sunKbdEnqueueEvent (pKeyboard, kbdEvents);
numKbdEvents--;
kbdEvents++;
} else {
sunMouseEnqueueEvent (pPointer, ptrEvents);
numPtrEvents--;
ptrEvents++;
}
} else if (numKbdEvents) {
sunKbdEnqueueEvent (pKeyboard, kbdEvents);
numKbdEvents--;
kbdEvents++;
} else {
sunMouseEnqueueEvent (pPointer, ptrEvents);
numPtrEvents--;
ptrEvents++;
}
}
}
/*
* DDX - specific abort routine. Called by AbortServer().
*/
void AbortDDX()
{
int i;
ScreenPtr pScreen;
DevicePtr devPtr;
#ifdef SVR4
(void) OsSignal (SIGPOLL, SIG_IGN);
#else
(void) OsSignal (SIGIO, SIG_IGN);
#endif
devPtr = LookupKeyboardDevice();
if (devPtr)
(void) sunChangeKbdTranslation (((sunKbdPrivPtr)(devPtr->devicePrivate))->fd, FALSE);
#if defined(SVR4) || defined(__NetBSD__)
sunNonBlockConsoleOff ();
#else
sunNonBlockConsoleOff (NULL);
#endif
for (i = 0; i < screenInfo.numScreens; i++)
{
pScreen = screenInfo.screens[i];
(*pScreen->SaveScreen) (pScreen, SCREEN_SAVER_OFF);
sunDisableCursor (pScreen);
}
}
/* Called by GiveUp(). */
void
ddxGiveUp()
{
AbortDDX ();
}
int
ddxProcessArgument (argc, argv, i)
int argc;
char *argv[];
int i;
{
extern void UseMsg();
#ifndef XKB
if (strcmp (argv[i], "-ar1") == 0) { /* -ar1 int */
if (++i >= argc) UseMsg ();
sunAutoRepeatInitiate = 1000 * (long)atoi(argv[i]);
if (sunAutoRepeatInitiate > 1000000)
sunAutoRepeatInitiate = 999000;
return 2;
}
if (strcmp (argv[i], "-ar2") == 0) { /* -ar2 int */
if (++i >= argc) UseMsg ();
sunAutoRepeatDelay = 1000 * (long)atoi(argv[i]);
if (sunAutoRepeatDelay > 1000000)
sunAutoRepeatDelay = 999000;
return 2;
}
#endif
if (strcmp (argv[i], "-swapLkeys") == 0) { /* -swapLkeys */
sunSwapLkeys = TRUE;
return 1;
}
if (strcmp (argv[i], "-debug") == 0) { /* -debug */
return 1;
}
if (strcmp (argv[i], "-dev") == 0) { /* -dev /dev/mumble */
if (++i >= argc) UseMsg ();
return 2;
}
if (strcmp (argv[i], "-mono") == 0) { /* -mono */
return 1;
}
if (strcmp (argv[i], "-zaphod") == 0) { /* -zaphod */
sunActiveZaphod = FALSE;
return 1;
}
if (strcmp (argv[i], "-flipPixels") == 0) { /* -flipPixels */
sunFlipPixels = TRUE;
return 1;
}
if (strcmp (argv[i], "-fbinfo") == 0) { /* -fbinfo */
sunFbInfo = TRUE;
return 1;
}
if (strcmp (argv[i], "-kbd") == 0) { /* -kbd */
if (++i >= argc) UseMsg();
return 2;
}
if (strcmp (argv[i], "-protect") == 0) { /* -protect */
if (++i >= argc) UseMsg();
return 2;
}
if (strcmp (argv[i], "-cg4frob") == 0) {
sunCG4Frob = TRUE;
return 1;
}
if (strcmp (argv[i], "-noGX") == 0) {
sunNoGX = TRUE;
return 1;
}
return 0;
}
void
ddxUseMsg()
{
#ifndef XKB
ErrorF("-ar1 int set autorepeat initiate time\n");
ErrorF("-ar2 int set autorepeat interval time\n");
#endif
ErrorF("-swapLkeys swap keysyms on L1..L10\n");
ErrorF("-debug disable non-blocking console mode\n");
ErrorF("-dev fn[:fn][:fn] name of device[s] to open\n");
ErrorF("-mono force monochrome-only screen\n");
ErrorF("-zaphod disable active Zaphod mode\n");
ErrorF("-fbinfo tell more about the found frame buffer(s)\n");
#ifdef UNDOCUMENTED
ErrorF("-cg4frob don't use the mono plane of the cgfour\n");
ErrorF("-noGX treat the GX as a dumb frame buffer\n");
#endif
}
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