193 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			193 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			C
		
	
	
	
/* $XFree86: xc/programs/Xserver/Xi/getselev.c,v 3.5 2001/10/28 03:32:53 tsi Exp $ */
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/************************************************************
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Copyright 1989, 1998  The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
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			All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Hewlett-Packard not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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********************************************************/
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/* $Xorg: getselev.c,v 1.4 2001/02/09 02:04:34 xorgcvs Exp $ */
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/***********************************************************************
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 *
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 * Extension function to get the current selected events for a given window.
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 *
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 */
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#define	 NEED_EVENTS
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#define	 NEED_REPLIES
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#include <X11/X.h>				/* for inputstr.h    */
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#include <X11/Xproto.h>			/* Request macro     */
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#include <X11/extensions/XI.h>
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#include <X11/extensions/XIproto.h>
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#include "inputstr.h"			/* DeviceIntPtr	     */
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#include "windowstr.h"			/* window struct     */
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#include "extnsionst.h"
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#include "extinit.h"			/* LookupDeviceIntRec */
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#include "exglobals.h"
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#include "swaprep.h"
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#include "getprop.h"
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#include "getselev.h"
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/***********************************************************************
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 *
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 * This procedure gets the current selected extension events.
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 *
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 */
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int
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SProcXGetSelectedExtensionEvents(client)
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    register ClientPtr client;
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    {
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    register char n;
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    REQUEST(xGetSelectedExtensionEventsReq);
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    swaps(&stuff->length, n);
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    REQUEST_SIZE_MATCH(xGetSelectedExtensionEventsReq);
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    swapl(&stuff->window, n);
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    return(ProcXGetSelectedExtensionEvents(client));
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    }
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/***********************************************************************
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 *
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 * This procedure gets the current device select mask,
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 * if the client and server have a different byte ordering.
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 *
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 */
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int
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ProcXGetSelectedExtensionEvents(client)
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    register ClientPtr client;
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    {
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    int					i;
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    int					total_length = 0;
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    xGetSelectedExtensionEventsReply	rep;
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    WindowPtr				pWin;
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    XEventClass				*buf = NULL;
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    XEventClass				*tclient;
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    XEventClass				*aclient;
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    OtherInputMasks			*pOthers;
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    InputClientsPtr			others;
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    REQUEST(xGetSelectedExtensionEventsReq);
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    REQUEST_SIZE_MATCH(xGetSelectedExtensionEventsReq);
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    rep.repType = X_Reply;
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    rep.RepType = X_GetSelectedExtensionEvents;
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    rep.length = 0;
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    rep.sequenceNumber = client->sequence;
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    rep.this_client_count = 0;
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    rep.all_clients_count = 0;
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    if (!(pWin = LookupWindow(stuff->window, client)))
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        {
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	SendErrorToClient(client, IReqCode, X_GetSelectedExtensionEvents, 0, 
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		BadWindow);
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	return Success;
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        }
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    if ((pOthers = wOtherInputMasks(pWin)) != 0)
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	{
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	for (others = pOthers->inputClients; others; others=others->next)
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	    for (i=0; i<EMASKSIZE; i++)
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		tclient = ClassFromMask (NULL, others->mask[i], i, 
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		    &rep.all_clients_count, COUNT);
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	for (others = pOthers->inputClients; others; others=others->next)
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	    if (SameClient(others, client))
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		{
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		for (i=0; i<EMASKSIZE; i++)
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		    tclient = ClassFromMask (NULL, others->mask[i], i, 
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			&rep.this_client_count, COUNT);
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		break;
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		}
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	total_length = (rep.all_clients_count + rep.this_client_count) * 
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	    sizeof (XEventClass);
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	rep.length = (total_length + 3) >> 2;
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	buf = (XEventClass *) xalloc (total_length);
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	tclient = buf;
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	aclient = buf + rep.this_client_count;
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	if (others)
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	    for (i=0; i<EMASKSIZE; i++)
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		tclient = ClassFromMask (tclient, others->mask[i], i, NULL, CREATE);
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	for (others = pOthers->inputClients; others; others=others->next)
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	    for (i=0; i<EMASKSIZE; i++)
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		aclient = ClassFromMask (aclient, others->mask[i], i, NULL, CREATE);
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	}
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    WriteReplyToClient (client, sizeof(xGetSelectedExtensionEventsReply), &rep);
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    if (total_length)
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	{
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	client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
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	WriteSwappedDataToClient( client, total_length, buf);
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	xfree (buf);
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	}
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    return Success;
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    }
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/***********************************************************************
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 *
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 * This procedure writes the reply for the XGetSelectedExtensionEvents function,
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 * if the client and server have a different byte ordering.
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 *
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 */
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void
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SRepXGetSelectedExtensionEvents (client, size, rep)
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    ClientPtr	client;
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    int		size;
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    xGetSelectedExtensionEventsReply	*rep;
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    {
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    register char n;
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    swaps(&rep->sequenceNumber, n);
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    swapl(&rep->length, n);
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    swaps(&rep->this_client_count, n);
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    swaps(&rep->all_clients_count, n);
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    WriteToClient(client, size, (char *)rep);
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    }
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