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https://github.com/Stichting-MINIX-Research-Foundation/xsrc.git
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322 lines
9.2 KiB
C
322 lines
9.2 KiB
C
/* $NetBSD: decIo.c,v 1.2 2011/05/24 21:22:28 jakllsch Exp $ */
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/* XConsortium: sunIo.c,v 5.26.1.3 95/01/25 23:02:33 kaleb Exp */
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/* XFree86: xc/programs/Xserver/hw/sun/sunIo.c,v 3.1 1995/01/28 15:46:06 dawes Exp */
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/*-
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* sunIo.c --
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* Functions to handle input from the keyboard and mouse.
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*
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* Copyright (c) 1987 by the Regents of the University of California
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*
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* Permission to use, copy, modify, and distribute this
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* software and its documentation for any purpose and without
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* fee is hereby granted, provided that the above copyright
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* notice appear in all copies. The University of California
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* makes no representations about the suitability of this
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* software for any purpose. It is provided "as is" without
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* express or implied warranty.
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*
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*
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*/
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/************************************************************
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Copyright 1987 by Sun Microsystems, Inc. Mountain View, CA.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this
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software and its documentation for any purpose and without
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fee is hereby granted, provided that the above copyright no-
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tice appear in all copies and that both that copyright no-
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tice and this permission notice appear in supporting docu-
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mentation, and that the names of Sun or X Consortium
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not be used in advertising or publicity pertaining to
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distribution of the software without specific prior
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written permission. Sun and X Consortium make no
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representations about the suitability of this software for
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any purpose. It is provided "as is" without any express or
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implied warranty.
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SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-
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NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE LI-
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ABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
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THE USE OR PERFORMANCE OF THIS SOFTWARE.
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********************************************************/
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#define NEED_EVENTS
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#include "mi.h"
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#include "dec.h"
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/*-
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*-----------------------------------------------------------------------
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* ProcessInputEvents --
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* Retrieve all waiting input events and pass them to DIX in their
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* correct chronological order. Only reads from the system pointer
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* and keyboard.
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*
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* Results:
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* None.
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*
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* Side Effects:
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* Events are passed to the DIX layer.
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*
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*-----------------------------------------------------------------------
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*/
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void
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ProcessInputEvents ()
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{
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(void) mieqProcessInputEvents ();
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miPointerUpdate ();
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}
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/*
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*-----------------------------------------------------------------------
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* decEnqueueEvents
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* When a SIGIO is received, read device hard events and
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* enqueue them using the mi event queue
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*/
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void decEnqueueEvents (
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#if NeedFunctionPrototypes
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void
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#endif
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)
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{
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struct wscons_event *ptrEvents,
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*kbdEvents;
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int numPtrEvents, /* Number of remaining pointer events */
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numKbdEvents; /* Number of remaining keyboard events */
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int nPE, /* Original number of pointer events */
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nKE; /* Original number of keyboard events */
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Bool PtrAgain, /* need to (re)read */
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KbdAgain; /* need to (re)read */
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DeviceIntPtr pPointer;
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DeviceIntPtr pKeyboard;
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decKbdPrivPtr kbdPriv;
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decPtrPrivPtr ptrPriv;
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pPointer = (DeviceIntPtr)LookupPointerDevice();
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pKeyboard = (DeviceIntPtr)LookupKeyboardDevice();
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ptrPriv = (decPtrPrivPtr) pPointer->public.devicePrivate;
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kbdPriv = (decKbdPrivPtr) pKeyboard->public.devicePrivate;
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if (!pPointer->public.on || !pKeyboard->public.on)
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return;
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numPtrEvents = 0;
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PtrAgain = TRUE;
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numKbdEvents = 0;
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KbdAgain = TRUE;
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/*
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* So long as one event from either device remains unprocess, we loop:
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* Take the oldest remaining event and pass it to the proper module
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* for processing. The DDXEvent will be sent to ProcessInput by the
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* function called.
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*/
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while (1) {
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/*
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* Get events from both the pointer and the keyboard, storing the number
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* of events gotten in nPE and nKE and keeping the start of both arrays
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* in pE and kE
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*/
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if ((numPtrEvents == 0) && PtrAgain) {
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ptrEvents = decMouseGetEvents (ptrPriv->fd, &nPE, &PtrAgain);
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numPtrEvents = nPE;
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}
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if ((numKbdEvents == 0) && KbdAgain) {
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kbdEvents = decKbdGetEvents (kbdPriv->fd, &nKE, &KbdAgain);
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numKbdEvents = nKE;
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}
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if ((numPtrEvents == 0) && (numKbdEvents == 0))
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break;
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if (numPtrEvents && numKbdEvents) {
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if (timespeccmp (&kbdEvents->time, &ptrEvents->time, <)) {
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decKbdEnqueueEvent (pKeyboard, kbdEvents);
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numKbdEvents--;
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kbdEvents++;
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} else {
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decMouseEnqueueEvent (pPointer, ptrEvents);
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numPtrEvents--;
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ptrEvents++;
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}
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} else if (numKbdEvents) {
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decKbdEnqueueEvent (pKeyboard, kbdEvents);
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numKbdEvents--;
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kbdEvents++;
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} else {
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decMouseEnqueueEvent (pPointer, ptrEvents);
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numPtrEvents--;
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ptrEvents++;
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}
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}
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}
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/*
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* DDX - specific abort routine. Called by AbortServer().
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*/
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void
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AbortDDX()
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{
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int i, mode;
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ScreenPtr pScreen;
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DevicePtr devPtr;
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mode = WSDISPLAYIO_MODE_EMUL;
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(void) OsSignal (SIGIO, SIG_IGN);
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#if 0 /* XXX */
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devPtr = LookupKeyboardDevice();
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if (devPtr)
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(void) sunChangeKbdTranslation (((sunKbdPrivPtr)(devPtr->devicePrivate))->fd, FALSE);
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sunNonBlockConsoleOff ();
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#endif
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for (i = 0; i < screenInfo.numScreens; i++)
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{
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pScreen = screenInfo.screens[i];
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(*pScreen->SaveScreen) (pScreen, SCREEN_SAVER_OFF);
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decDisableCursor (pScreen);
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ioctl(decFbs[pScreen->myNum].fd, WSDISPLAYIO_SMODE, &mode);
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}
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}
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/* Called by GiveUp(). */
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void
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ddxGiveUp()
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{
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AbortDDX ();
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}
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int
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ddxProcessArgument (argc, argv, i)
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int argc;
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char *argv[];
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int i;
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{
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extern void UseMsg();
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if (!strcmp(argv[i], "-noaccel")) {
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decAccelerate = 0;
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return 1;
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}
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if (!strcmp(argv[i], "-mouse")) {
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if (++i >= argc) UseMsg ();
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decPtrDev = argv[i];
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return 2;
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}
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if (!strcmp(argv[i], "-keyboard")) {
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if (++i >= argc) UseMsg ();
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decKbdDev = argv[i];
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return 2;
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}
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if (!strcmp(argv[i], "-swcursor")) {
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decSoftCursor = TRUE;
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return 1;
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}
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if (!strcmp(argv[i], "-hwcursor")) {
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decHardCursor = TRUE;
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return 1;
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}
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if (!strcmp(argv[i], "-depth")) {
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if (++i >= argc) UseMsg ();
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decWantedDepth = atoi(argv[i]);
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return 2;
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}
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#if 0 /* XXX */
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#ifndef XKB
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if (strcmp (argv[i], "-ar1") == 0) { /* -ar1 int */
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if (++i >= argc) UseMsg ();
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sunAutoRepeatInitiate = 1000 * (long)atoi(argv[i]);
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if (sunAutoRepeatInitiate > 1000000)
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sunAutoRepeatInitiate = 999000;
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return 2;
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}
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if (strcmp (argv[i], "-ar2") == 0) { /* -ar2 int */
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if (++i >= argc) UseMsg ();
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sunAutoRepeatDelay = 1000 * (long)atoi(argv[i]);
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if (sunAutoRepeatDelay > 1000000)
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sunAutoRepeatDelay = 999000;
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return 2;
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}
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#endif
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if (strcmp (argv[i], "-swapLkeys") == 0) { /* -swapLkeys */
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sunSwapLkeys = TRUE;
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return 1;
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}
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#endif /* 0 XXX */
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if (strcmp (argv[i], "-debug") == 0) { /* -debug */
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return 1;
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}
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if (strcmp (argv[i], "-dev") == 0) { /* -dev /dev/mumble */
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if (++i >= argc) UseMsg ();
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return 2;
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}
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if (strcmp (argv[i], "-zaphod") == 0) { /* -zaphod */
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decActiveZaphod = FALSE;
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return 1;
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}
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#if 0 /* XXX */
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if (strcmp (argv[i], "-mono") == 0) { /* -mono */
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return 1;
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}
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if (strcmp (argv[i], "-flipPixels") == 0) { /* -flipPixels */
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sunFlipPixels = TRUE;
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return 1;
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}
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if (strcmp (argv[i], "-fbinfo") == 0) { /* -fbinfo */
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sunFbInfo = TRUE;
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return 1;
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}
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if (strcmp (argv[i], "-kbd") == 0) { /* -kbd */
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if (++i >= argc) UseMsg();
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return 2;
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}
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if (strcmp (argv[i], "-protect") == 0) { /* -protect */
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if (++i >= argc) UseMsg();
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return 2;
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}
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if (strcmp (argv[i], "-cg4frob") == 0) {
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sunCG4Frob = TRUE;
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return 1;
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}
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if (strcmp (argv[i], "-noGX") == 0) {
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sunNoGX = TRUE;
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return 1;
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}
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#endif /* 0 XXX */
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return 0;
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}
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void
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ddxUseMsg()
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{
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#if 0 /* XXX */
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#ifndef XKB
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ErrorF("-ar1 int set autorepeat initiate time\n");
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ErrorF("-ar2 int set autorepeat interval time\n");
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#endif
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ErrorF("-swapLkeys swap keysyms on L1..L10\n");
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#endif /* 0 XXX */
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ErrorF("-debug disable non-blocking console mode\n");
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ErrorF("-dev fn[:fn][:fn] name of device[s] to open\n");
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ErrorF("-mouse fn mouse device to open\n");
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ErrorF("-keyboard fn keyboard device to open\n");
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ErrorF("-noaccel disable SFB/TGA hardware accelleration\n");
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ErrorF("-swcursor use a software cursor\n");
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ErrorF("-hwcursor use a hardware cursor (overrides -swcursor)\n");
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ErrorF("-depth bpp set desired depth (may not take effect)\n");
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ErrorF("-zaphod disable active Zaphod mode\n");
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#if 0 /* XXX */
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ErrorF("-mono force monochrome-only screen\n");
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ErrorF("-fbinfo tell more about the found frame buffer(s)\n");
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#ifdef UNDOCUMENTED
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ErrorF("-cg4frob don't use the mono plane of the cgfour\n");
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ErrorF("-noGX treat the GX as a dumb frame buffer\n");
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#endif
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#endif /* 0 XXX */
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}
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