xorg-server-1.4/XTrap/xtrapddmi.c

   1 /*****************************************************************************
   2 Copyright 1987, 1988, 1989, 1990, 1991 by Digital Equipment Corp., Maynard, MA
   3
   4 Permission to use, copy, modify, and distribute this software and its
   5 documentation for any purpose and without fee is hereby granted,
   6 provided that the above copyright notice appear in all copies and that
   7 both that copyright notice and this permission notice appear in
   8 supporting documentation, and that the name of Digital not be
   9 used in advertising or publicity pertaining to distribution of the
  10 software without specific, written prior permission.
  11
  12 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  13 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  14 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  15 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  16 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  17 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  18 SOFTWARE.
  19
  20 *****************************************************************************/
  21 /*
  22  *  ABSTRACT:
  23  *
  24  *      This module is the platform-specific but conditionally independent
  25  *      code for the XTrap extension (usually I/O or platform setup).
  26  *      This is shared code and is subject to change only by team approval.
  27  *
  28  *  CONTRIBUTORS:
  29  *
  30  *      Dick Annicchiarico
  31  *      Robert Chesler
  32  *      Gene Durso
  33  *      Marc Evans
  34  *      Alan Jamison
  35  *      Mark Henry
  36  *      Ken Miller
  37  *
  38  */
  39
  40 #ifdef HAVE_DIX_CONFIG_H
  41 #include <dix-config.h>
  42 #endif
  43
  44 #include <errno.h>
  45 #include <X11/Xos.h>
  46 #ifdef PC
  47 # include "fcntl.h"
  48 # include "io.h"
  49 # define O_NDELAY 0L
  50 #endif
  51
  52 #define NEED_REPLIES
  53 #define NEED_EVENTS
  54 #include <X11/X.h>        /* From library include environment */
  55 #include "input.h"    /* From server include env. (must be before Xlib.h!) */
  56 #ifdef PC
  57 # include "scrintst.h"          /* Screen struct */
  58 # include "extnsist.h"
  59 #else
  60 # include "extnsionst.h"        /* Server ExtensionEntry definitions */
  61 # include "scrnintstr.h"        /* Screen struct */
  62 #endif
  63
  64 #include <X11/extensions/xtrapdi.h>
  65 #include <X11/extensions/xtrapddmi.h>
  66 #include <X11/extensions/xtrapproto.h>
  67
  68 extern int XETrapErrorBase;
  69 extern xXTrapGetAvailReply XETrap_avail;
  70 extern DevicePtr XETrapKbdDev;
  71 extern DevicePtr XETrapPtrDev;
  72 \f
  73 /*
  74  *  DESCRIPTION:
  75  *
  76  *      This function performs the platform specific setup for server
  77  *      extension implementations.
  78  */
  79 void XETrapPlatformSetup()
  80 {
  81 }
  82
  83 \f
  84 #if !defined _XINPUT
  85 /*
  86  *  DESCRIPTION:
  87  *
  88  *  This routine processes the simulation of some input event.
  89  *
  90  */
  91 int XETrapSimulateXEvent(register xXTrapInputReq *request,
  92     register ClientPtr client)
  93 {
  94     ScreenPtr pScr = NULL;
  95     int status = Success;
  96     xEvent xev;
  97     register int x = request->input.x;
  98     register int y = request->input.y;
  99     DevicePtr keydev = LookupKeyboardDevice();
 100     DevicePtr ptrdev = LookupPointerDevice();
 101
 102     if (request->input.screen < screenInfo.numScreens)
 103     {
 104         pScr = screenInfo.screens[request->input.screen];
 105     }
 106     else
 107     {   /* Trying to play bogus events to this WS! */
 108 #ifdef VERBOSE
 109         ErrorF("%s:  Trying to send events to screen %d!\n", XTrapExtName,
 110             request->input.screen);
 111 #endif
 112         status = XETrapErrorBase + BadScreen;
 113     }
 114     /* Fill in the event structure with the information
 115      * Note:  root, event, child, eventX, eventY, state, and sameScreen
 116      *        are all updated by FixUpEventFromWindow() when the events
 117      *        are delivered via DeliverDeviceEvents() or whatever.  XTrap
 118      *        needs to only concern itself with type, detail, time, rootX,
 119      *        and rootY.
 120      */
 121     if (status == Success)
 122     {
 123         xev.u.u.type   = request->input.type;
 124         xev.u.u.detail = request->input.detail;
 125         xev.u.keyButtonPointer.time   = GetTimeInMillis();
 126         xev.u.keyButtonPointer.rootX = x;
 127         xev.u.keyButtonPointer.rootY = y;
 128
 129         if (request->input.type == MotionNotify)
 130         {   /* Set new cursor position on screen */
 131             XETrap_avail.data.cur_x = x;
 132             XETrap_avail.data.cur_y = y;
 133           NewCurrentScreen (pScr, x, y); /* fix from amnonc@mercury.co.il */
 134             if (!(*pScr->SetCursorPosition)(pScr, x, y, xFalse))
 135             {
 136                 status = BadImplementation;
 137             }
 138         }
 139     }
 140     if (status == Success)
 141     {
 142         switch(request->input.type)
 143         {   /* Now process the event appropriately */
 144             case KeyPress:
 145             case KeyRelease:
 146                 (*XETrapKbdDev->realInputProc)(&xev,(DeviceIntPtr)keydev, 1L);
 147                 break;
 148             case MotionNotify:
 149             case ButtonPress:
 150             case ButtonRelease:
 151                 (*XETrapPtrDev->realInputProc)(&xev,(DeviceIntPtr)ptrdev, 1L);
 152                 break;
 153             default:
 154                 status = BadValue;
 155                 break;
 156         }
 157     }
 158     return(status);
 159 }
 160 #endif /* _XINPUT */