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Viewing changes to hw/kdrive/vxworks/vxmouse.c

  • Committer: Bazaar Package Importer
  • Author(s): Matthew Garrett
  • Date: 2006-02-13 14:21:43 UTC
  • Revision ID: james.westby@ubuntu.com-20060213142143-mad6z9xzem7hzxz9
Tags: upstream-7.0.0
Import upstream version 7.0.0

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hw/kdrive/vxworks/vxmouse.c
 
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/*
 
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 * Id: vxmouse.c,v 1.1 1999/11/24 08:35:24 keithp Exp $
 
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 *
 
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 * Copyright � 1999 Network Computing Devices, Inc.  All rights reserved.
 
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 *
 
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 * Author: Keith Packard
 
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 */
 
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#ifdef HAVE_CONFIG_H
 
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#include <kdrive-config.h>
 
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#endif
 
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#define NEED_EVENTS
 
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#include <X11/X.h>
 
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#include <X11/Xproto.h>
 
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#include "inputstr.h"
 
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#include "scrnintstr.h"
 
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#include "kdrive.h"
 
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#include "Xpoll.h"
 
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#include <event.h>
 
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#include <smem.h>
 
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static unsigned long    mouseState;
 
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#define BUTTON1         0x01
 
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#define BUTTON2         0x02
 
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#define BUTTON3         0x04
 
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#include <errno.h>
 
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static int mouseFd = -1;
 
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static eventqueue   *eventQueue;
 
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void
 
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VxMouseRead (int mousePort)
 
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{
 
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    Event           ev;
 
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    int             dx, dy;
 
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    unsigned long   flags;
 
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    unsigned long   mask;
 
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    int             n;
 
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    while (eventQueue->head != eventQueue->tail)
 
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    {
 
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        ev = *eventQueue->head;
 
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        if (eventQueue->head >= &eventQueue->events[eventQueue->size-1])
 
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            eventQueue->head = &eventQueue->events[0];
 
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        else
 
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            eventQueue->head++;
 
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        switch (ev.e_type) {
 
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        case E_BUTTON:
 
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            switch (ev.e_device) {
 
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            case E_MOUSE:
 
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                switch (ev.e_key) {
 
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                case BUTTON1:
 
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                    mask = KD_BUTTON_1;
 
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                    break;
 
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                case BUTTON2:
 
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                    mask = KD_BUTTON_2;
 
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                    break;
 
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                case BUTTON3:
 
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                    mask = KD_BUTTON_3;
 
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                    break;
 
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                default:
 
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                    mask = 0;
 
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                    break;
 
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                }
 
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                if (ev.e_direction == E_KBUP)
 
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                    mouseState &= ~mask;
 
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                else
 
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                    mouseState |= mask;
 
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                KdEnqueueMouseEvent (mouseState | KD_MOUSE_DELTA, 0, 0);
 
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                break;
 
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            case E_DKB:
 
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                KdEnqueueKeyboardEvent (ev.e_key, ev.e_direction == E_KBUP);
 
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                break;
 
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            }
 
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            break;
 
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        case E_MMOTION:
 
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            KdEnqueueMouseEvent (mouseState | KD_MOUSE_DELTA,
 
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                                 ev.e_x, ev.e_y);
 
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            break;
 
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        }
 
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    }
 
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}
 
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int
 
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VxMouseInit (void)
 
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{
 
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    int             mousePort;
 
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    unsigned long   ev_size;
 
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    mouseState = 0;
 
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    mousePort = open ("/dev/xdev", O_RDONLY, 0);
 
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    if (mousePort < 0)
 
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        ErrorF ("event port open failure %d\n", errno);
 
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    mouseFd = open ("/dev/mouse", O_RDONLY, 0);
 
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    if (mouseFd < 0)
 
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        ErrorF ("mouse open failure %d\n", errno);
 
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    if (eventQueue == 0)
 
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    {
 
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        ioctl (mousePort, EVENT_QUEUE_SMSIZE, &ev_size);
 
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        eventQueue = (eventqueue *) smem_get ("event", ev_size, (SM_READ|SM_WRITE));
 
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    }
 
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    return mousePort;
 
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}
 
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void
 
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VxMouseFini (int mousePort)
 
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{
 
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    if (mousePort >= 0)
 
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        close (mousePort);
 
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    if (mouseFd >= 0)
 
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    {
 
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        close (mouseFd);
 
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        mouseFd = -1;
 
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    }
 
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}
 
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KdMouseFuncs VxWorksMouseFuncs = {
 
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    VxMouseInit,
 
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    VxMouseRead,
 
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    VxMouseFini
 
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};