home *** CD-ROM | disk | FTP | other *** search
- /* $Header: xgetprop.c,v 1.7 91/01/24 17:03:42 rws Exp $ */
-
- /************************************************************
- Copyright (c) 1989 by Hewlett-Packard Company, Palo Alto, California, and the
- Massachusetts Institute of Technology, Cambridge, Massachusetts.
-
- 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 notice appear in all copies and that
- both that copyright notice and this permission notice appear in
- supporting documentation, and that the names of Hewlett-Packard or MIT not be
- used in advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
- ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
- HEWLETT-PACKARD BE LIABLE 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.
-
- ********************************************************/
-
- /***********************************************************************
- *
- * Function to return the dont-propagate-list for an extension device.
- *
- */
-
- #define NEED_EVENTS
- #define NEED_REPLIES
- #include "X.h" /* for inputstr.h */
- #include "Xproto.h" /* Request macro */
- #include "inputstr.h" /* DeviceIntPtr */
- #include "windowstr.h" /* window structs */
- #include "XI.h"
- #include "XIproto.h"
-
- extern int IReqCode;
- extern void (* ReplySwapVector[256]) ();
- extern XExtEventInfo EventInfo[];
- DeviceIntPtr LookupDeviceIntRec();
-
- /***********************************************************************
- *
- * Handle a request from a client with a different byte order.
- *
- */
-
- int
- SProcXGetDeviceDontPropagateList(client)
- register ClientPtr client;
- {
- register char n;
-
- REQUEST(xGetDeviceDontPropagateListReq);
- swaps(&stuff->length, n);
- swapl(&stuff->window, n);
- return(ProcXGetDeviceDontPropagateList(client));
- }
-
- /***********************************************************************
- *
- * This procedure lists the input devices available to the server.
- *
- */
-
- ProcXGetDeviceDontPropagateList (client)
- register ClientPtr client;
- {
- CARD16 count = 0;
- int i;
- XEventClass *buf, *tbuf;
- WindowPtr pWin;
- xGetDeviceDontPropagateListReply rep;
- XEventClass *ClassFromMask ();
- void Swap32Write();
- OtherInputMasks *others;
-
- REQUEST(xGetDeviceDontPropagateListReq);
- REQUEST_SIZE_MATCH(xGetDeviceDontPropagateListReq);
-
- rep.repType = X_Reply;
- rep.RepType = X_GetDeviceDontPropagateList;
- rep.sequenceNumber = client->sequence;
- rep.length = 0;
- rep.count = 0;
-
- pWin = (WindowPtr) LookupWindow (stuff->window, client);
- if (!pWin)
- {
- client->errorValue = stuff->window;
- SendErrorToClient(client, IReqCode, X_GetDeviceDontPropagateList, 0,
- BadWindow);
- return Success;
- }
-
- if (others = wOtherInputMasks(pWin))
- {
- for (i=0; i<EMASKSIZE; i++)
- tbuf = ClassFromMask (NULL, others->dontPropagateMask[i], i,
- &count, COUNT);
- if (count)
- {
- rep.count = count;
- buf = (XEventClass *) Xalloc (rep.count * sizeof(XEventClass));
- rep.length = (rep.count * sizeof (XEventClass) + 3) >> 2;
-
- tbuf = buf;
- for (i=0; i<EMASKSIZE; i++)
- tbuf = ClassFromMask (tbuf, others->dontPropagateMask[i], i,
- NULL, CREATE);
- }
- }
-
- WriteReplyToClient (client, sizeof (xGetDeviceDontPropagateListReply),
- &rep);
-
- if (count)
- {
- client->pSwapReplyFunc = Swap32Write;
- WriteSwappedDataToClient( client, count * sizeof(XEventClass), buf);
- Xfree (buf);
- }
- return Success;
- }
-
- /***********************************************************************
- *
- * This procedure gets a list of event classes from a mask word.
- * A single mask may translate to more than one event class.
- *
- */
-
- XEventClass
- *ClassFromMask (buf, mask, maskndx, count, mode)
- XEventClass *buf;
- Mask mask;
- int maskndx;
- CARD16 *count;
- int mode;
- {
- int i,j;
- int id = maskndx;
- Mask tmask = 0x80000000;
- extern int ExtEventIndex;
-
- for (i=0; i<32; i++,tmask>>=1)
- if (tmask & mask)
- {
- for (j=0; j<ExtEventIndex; j++)
- if (EventInfo[j].mask == tmask)
- {
- if (mode == COUNT)
- (*count)++;
- else
- *buf++ = (id << 8) | EventInfo[j].type;
- }
- }
- return (buf);
- }
-
- /***********************************************************************
- *
- * This procedure writes the reply for the XGetDeviceDontPropagateList function,
- * if the client and server have a different byte ordering.
- *
- */
-
- SRepXGetDeviceDontPropagateList (client, size, rep)
- ClientPtr client;
- int size;
- xGetDeviceDontPropagateListReply *rep;
- {
- register char n;
-
- swaps(&rep->sequenceNumber, n);
- swapl(&rep->length, n);
- swaps(&rep->count, n);
- WriteToClient(client, size, rep);
- }
-