120 lines
4.0 KiB
C
120 lines
4.0 KiB
C
/* $Xorg: ungrdev.c,v 1.4 2001/02/09 02:04:35 xorgcvs 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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/* $XFree86: xc/programs/Xserver/Xi/ungrdev.c,v 3.3 2001/12/14 19:58:59 dawes Exp $ */
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/***********************************************************************
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*
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* Request to release a grab of an extension device.
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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 "X.h" /* for inputstr.h */
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#include "Xproto.h" /* Request macro */
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#include "inputstr.h" /* DeviceIntPtr */
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#include "windowstr.h" /* window structure */
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#include "XIproto.h"
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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 "ungrdev.h"
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/***********************************************************************
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*
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* Handle requests from a client with a different byte order.
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*
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*/
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int
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SProcXUngrabDevice(client)
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register ClientPtr client;
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{
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register char n;
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REQUEST(xUngrabDeviceReq);
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swaps(&stuff->length, n);
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REQUEST_SIZE_MATCH(xUngrabDeviceReq);
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swapl(&stuff->time, n);
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return(ProcXUngrabDevice(client));
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}
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/***********************************************************************
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*
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* Release a grab of an extension device.
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*
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*/
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int
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ProcXUngrabDevice(client)
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register ClientPtr client;
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{
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DeviceIntPtr dev;
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GrabPtr grab;
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TimeStamp time;
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REQUEST(xUngrabDeviceReq);
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REQUEST_SIZE_MATCH(xUngrabDeviceReq);
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dev = LookupDeviceIntRec (stuff->deviceid);
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if (dev == NULL)
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{
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SendErrorToClient(client, IReqCode, X_UngrabDevice, 0, BadDevice);
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return Success;
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}
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grab = dev->grab;
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time = ClientTimeToServerTime(stuff->time);
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if ((CompareTimeStamps(time, currentTime) != LATER) &&
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(CompareTimeStamps(time, dev->grabTime) != EARLIER) &&
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(grab) && SameClient(grab, client))
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(*dev->DeactivateGrab)(dev);
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return Success;
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}
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