xenocara/xserver/XTrap/xtrapddmi.c

/*****************************************************************************
Copyright 1987, 1988, 1989, 1990, 1991 by Digital Equipment Corp., Maynard, MA

Permission to use, copy, modify, and distribute this software and its 
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*****************************************************************************/
/*
 *  ABSTRACT:
 *
 *      This module is the platform-specific but conditionally independent
 *      code for the XTrap extension (usually I/O or platform setup).
 *      This is shared code and is subject to change only by team approval.
 *
 *  CONTRIBUTORS:
 *
 *      Dick Annicchiarico
 *      Robert Chesler
 *      Gene Durso
 *      Marc Evans
 *      Alan Jamison
 *      Mark Henry
 *      Ken Miller
 *
 */

#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#include <errno.h>
#include <X11/Xos.h>
#ifdef PC
# include "fcntl.h"
# include "io.h"
# define O_NDELAY 0L
#endif

#define NEED_REPLIES
#define NEED_EVENTS
#include <X11/X.h>        /* From library include environment */
#include "inputstr.h"    /* From server include env. (must be before Xlib.h!) */
#ifdef PC
# include "scrintst.h"          /* Screen struct */
# include "extnsist.h"
#else
# include "extnsionst.h"        /* Server ExtensionEntry definitions */
# include "scrnintstr.h"        /* Screen struct */
#endif

#include <X11/extensions/xtrapdi.h>
#include <X11/extensions/xtrapddmi.h>
#include <X11/extensions/xtrapproto.h>

extern int XETrapErrorBase;
extern xXTrapGetAvailReply XETrap_avail;
extern DevicePtr XETrapKbdDev;
extern DevicePtr XETrapPtrDev;

/*
 *  DESCRIPTION:
 *
 *      This function performs the platform specific setup for server
 *      extension implementations.
 */
void XETrapPlatformSetup()
{
}


#if !defined _XINPUT
/*
 *  DESCRIPTION:
 *
 *  This routine processes the simulation of some input event.
 *
 */
int XETrapSimulateXEvent(register xXTrapInputReq *request,
    register ClientPtr client)
{
    ScreenPtr pScr = NULL;
    int status = Success;
    xEvent xev;
    register int x = request->input.x;
    register int y = request->input.y;
    DevicePtr keydev = (DevicePtr)inputInfo.keyboard;
    DevicePtr ptrdev = (DevicePtr)inputInfo.pointer;

    if (request->input.screen < screenInfo.numScreens)
    {
        pScr = screenInfo.screens[request->input.screen];
    }
    else
    {   /* Trying to play bogus events to this WS! */
#ifdef VERBOSE
        ErrorF("%s:  Trying to send events to screen %d!\n", XTrapExtName,
            request->input.screen);
#endif
        status = XETrapErrorBase + BadScreen;
    }
    /* Fill in the event structure with the information
     * Note:  root, event, child, eventX, eventY, state, and sameScreen
     *        are all updated by FixUpEventFromWindow() when the events
     *        are delivered via DeliverDeviceEvents() or whatever.  XTrap
     *        needs to only concern itself with type, detail, time, rootX, 
     *        and rootY.
     */
    if (status == Success)
    {
        xev.u.u.type   = request->input.type;
        xev.u.u.detail = request->input.detail;
        xev.u.keyButtonPointer.time   = GetTimeInMillis();
        xev.u.keyButtonPointer.rootX = x;
        xev.u.keyButtonPointer.rootY = y;

        if (request->input.type == MotionNotify)
        {   /* Set new cursor position on screen */
            XETrap_avail.data.cur_x = x;
            XETrap_avail.data.cur_y = y;
          NewCurrentScreen (pScr, x, y); /* fix from amnonc@mercury.co.il */
            if (!(*pScr->SetCursorPosition)(pScr, x, y, xFalse))
            {
                status = BadImplementation;
            }
        }
    }
    if (status == Success)
    {
        switch(request->input.type)
        {   /* Now process the event appropriately */
            case KeyPress:
            case KeyRelease:
                (*XETrapKbdDev->realInputProc)(&xev,(DeviceIntPtr)keydev, 1L);
                break;
            case MotionNotify:
            case ButtonPress:
            case ButtonRelease:
                (*XETrapPtrDev->realInputProc)(&xev,(DeviceIntPtr)ptrdev, 1L);
                break;
            default:
                status = BadValue;
                break;
        }
    }
    return(status);
}
#endif /* _XINPUT */