148 lines
4.9 KiB
C
148 lines
4.9 KiB
C
/************************************************************
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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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/***********************************************************************
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*
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* Extension function to close an extension input device.
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*
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*/
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#include <dix-config.h>
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#include "inputstr.h" /* DeviceIntPtr */
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#include "windowstr.h" /* window structure */
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#include "scrnintstr.h" /* screen structure */
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#include <X11/extensions/XI.h>
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#include <X11/extensions/XIproto.h>
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#include "XIstubs.h"
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#include "exglobals.h"
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#include "closedev.h"
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/***********************************************************************
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*
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* Clear out event selections and passive grabs from a window for the
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* specified device.
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*
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*/
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static void
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DeleteDeviceEvents(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client)
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{
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InputClientsPtr others;
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OtherInputMasks *pOthers;
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GrabPtr grab, next;
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if ((pOthers = wOtherInputMasks(pWin)) != 0)
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for (others = pOthers->inputClients; others; others = others->next)
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if (SameClient(others, client))
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others->mask[dev->id] = NoEventMask;
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for (grab = wPassiveGrabs(pWin); grab; grab = next) {
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next = grab->next;
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if ((grab->device == dev) &&
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(client->clientAsMask == CLIENT_BITS(grab->resource)))
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FreeResource(grab->resource, X11_RESTYPE_NONE);
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}
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}
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/***********************************************************************
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*
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* Walk through the window tree, deleting event selections for this client
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* from this device from all windows.
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*
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*/
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static void
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DeleteEventsFromChildren(DeviceIntPtr dev, WindowPtr p1, ClientPtr client)
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{
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WindowPtr p2;
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while (p1) {
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p2 = p1->firstChild;
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DeleteDeviceEvents(dev, p1, client);
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DeleteEventsFromChildren(dev, p2, client);
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p1 = p1->nextSib;
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}
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}
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/***********************************************************************
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*
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* This procedure closes an input device.
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*
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*/
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int
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ProcXCloseDevice(ClientPtr client)
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{
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int rc, i;
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WindowPtr pWin, p1;
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DeviceIntPtr d;
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REQUEST(xCloseDeviceReq);
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REQUEST_SIZE_MATCH(xCloseDeviceReq);
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rc = dixLookupDevice(&d, stuff->deviceid, client, DixUseAccess);
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if (rc != Success)
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return rc;
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if (d->deviceGrab.grab && SameClient(d->deviceGrab.grab, client))
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(*d->deviceGrab.DeactivateGrab) (d); /* release active grab */
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/* Remove event selections from all windows for events from this device
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* and selected by this client.
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* Delete passive grabs from all windows for this device. */
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for (i = 0; i < screenInfo.numScreens; i++) {
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pWin = screenInfo.screens[i]->root;
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DeleteDeviceEvents(d, pWin, client);
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p1 = pWin->firstChild;
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DeleteEventsFromChildren(d, p1, client);
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}
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return Success;
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}
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