/* $XConsortium: sunIo.c,v 5.10 92/11/24 10:48:32 rws Exp $ */ /*- * 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 MIT not be used in advertising or publicity pertaining to distribution of the software without specific prior written permission. Sun and M.I.T. 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. ********************************************************/ #include "sun.h" #include "opaque.h" extern int screenIsSaved; extern void SaveScreens(); #ifdef SUN_WINDOWS int windowFd = 0; int sunIgnoreEvent = TRUE; #define INPBUFSIZE 128 #endif /* SUN_WINDOWS */ /*- *----------------------------------------------------------------------- * 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 () { mieqProcessInputEvents (); miPointerUpdate (); } /* *----------------------------------------------------------------------- * sunEnqueueEvents * When a SIGIO is received, read device hard events and * enqueue them using the mi event queue */ sunEnqueueEvents () { register Firm_event *ptrEvents, /* Current pointer event */ *kbdEvents; /* Current keyboard event */ register 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 */ DevicePtr pPointer; DevicePtr pKeyboard; register PtrPrivPtr ptrPriv; register KbPrivPtr kbdPriv; #ifdef SUN_WINDOWS struct inputevent sunevents[INPBUFSIZE]; register struct inputevent *se = sunevents, *seL; int n; #endif /* SUN_WINDOWS */ pPointer = LookupPointerDevice(); pKeyboard = LookupKeyboardDevice(); if (!pPointer->on || !pKeyboard->on) return; if ( sunUseSunWindows() ) { #ifdef SUN_WINDOWS if ((n=read(windowFd,sunevents,INPBUFSIZE*sizeof sunevents[0])) < 0 && errno != EWOULDBLOCK) { /* * Error reading events; should do something. XXX */ /*debug*/ ErrorF("ProcessInputEvents: read(windowFd) n=%d\n",n); return; } for (seL = sunevents + (n/(sizeof sunevents[0])); se < seL; se++) { /* * Decide whether or not to pay attention to events. * Ignore the events if the locator has exited X Display. */ switch (event_id(se)) { case KBD_DONE: sunChangeKbdTranslation( pKeyboard, FALSE ); break; case KBD_USE: sunChangeKbdTranslation( pKeyboard, TRUE ); break; case LOC_WINENTER: sunIgnoreEvent = FALSE; break; case LOC_WINEXIT: sunIgnoreEvent = TRUE; break; } if (sunIgnoreEvent) { continue; } /* * Figure out the X device this event should be reported on. */ switch (event_id(se)) { case LOC_MOVE: case MS_LEFT: case MS_MIDDLE: case MS_RIGHT: sunMouseEnqueueEventSunWin(pPointer,se); break; case LOC_WINEXIT: case LOC_WINENTER: case KBD_DONE: case KBD_USE: break; default: sunKbdEnqueueEventSunWin(pKeyboard,se); break; } } #endif /* SUN_WINDOWS */ } else { ptrPriv = (PtrPrivPtr)pPointer->devicePrivate; kbdPriv = (KbPrivPtr)pKeyboard->devicePrivate; 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 = (* ptrPriv->GetEvents) (pPointer, &nPE, &PtrAgain); numPtrEvents = nPE; } if ((numKbdEvents == 0) && KbdAgain) { kbdEvents = (* kbdPriv->GetEvents) (pKeyboard, &nKE, &KbdAgain); numKbdEvents = nKE; } if ((numPtrEvents == 0) && (numKbdEvents == 0)) break; if (numPtrEvents && numKbdEvents) { if (timercmp (&kbdEvents->time, &ptrEvents->time, <)) { (* kbdPriv->EnqueueEvent) (pKeyboard, kbdEvents); numKbdEvents--; kbdEvents++; } else { (* ptrPriv->EnqueueEvent) (pPointer, ptrEvents); numPtrEvents--; ptrEvents++; } } else if (numKbdEvents) { (* kbdPriv->EnqueueEvent) (pKeyboard, kbdEvents); numKbdEvents--; kbdEvents++; } else { (* ptrPriv->EnqueueEvent) (pPointer, ptrEvents); numPtrEvents--; ptrEvents++; } } } } /* * DDX - specific abort routine. Called by AbortServer(). */ void AbortDDX() { int i; ScreenPtr pScreen; #ifdef SVR4 Signal (SIGPOLL, SIG_IGN); #else signal (SIGIO, SIG_IGN); #endif sunChangeKbdTranslation (LookupKeyboardDevice (), FALSE); sunNonBlockConsoleOff ((char *) 0); 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(); extern Bool ActiveZaphod; extern Bool FlipPixels; if (strcmp (argv[i], "-ar1") == 0) { /* -ar1 int */ if (++i >= argc) UseMsg (); autoRepeatInitiate = 1000 * (long)atoi(argv[i]); return 2; } if (strcmp (argv[i], "-ar2") == 0) { /* -ar2 int */ if (++i >= argc) UseMsg (); autoRepeatDelay = 1000 * (long)atoi(argv[i]); return 2; } 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 */ ActiveZaphod = FALSE; return 1; } if (strcmp (argv[i], "-flipPixels") == 0) { /* -flipPixels */ FlipPixels = TRUE; return 1; } return 0; } void ddxUseMsg() { ErrorF("-ar1 int set autorepeat initiate time\n"); ErrorF("-ar2 int set autorepeat interval time\n"); ErrorF("-debug disable non-blocking console mode\n"); ErrorF("-dev filename name of device to open\n"); ErrorF("-mono force monochrome-only screen\n"); ErrorF("-zaphod disable active Zaphod mode\n"); }