diff options
Diffstat (limited to 'xorg-server/Xi/closedev.c')
| -rw-r--r-- | xorg-server/Xi/closedev.c | 330 |
1 files changed, 164 insertions, 166 deletions
diff --git a/xorg-server/Xi/closedev.c b/xorg-server/Xi/closedev.c index 60f5aebe5..54ada55f5 100644 --- a/xorg-server/Xi/closedev.c +++ b/xorg-server/Xi/closedev.c @@ -1,166 +1,164 @@ -/************************************************************
-
-Copyright 1989, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
-
-Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
-
- 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 name of Hewlett-Packard 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.
-
-********************************************************/
-
-/***********************************************************************
- *
- * Extension function to close an extension input device.
- *
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "inputstr.h" /* DeviceIntPtr */
-#include "windowstr.h" /* window structure */
-#include "scrnintstr.h" /* screen structure */
-#include <X11/extensions/XI.h>
-#include <X11/extensions/XIproto.h>
-#include "XIstubs.h"
-#include "exglobals.h"
-
-#include "closedev.h"
-
-/***********************************************************************
- *
- * This procedure closes an input device.
- *
- */
-
-int
-SProcXCloseDevice(ClientPtr client)
-{
- char n;
-
- REQUEST(xCloseDeviceReq);
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xCloseDeviceReq);
- return (ProcXCloseDevice(client));
-}
-
-/***********************************************************************
- *
- * Clear out event selections and passive grabs from a window for the
- * specified device.
- *
- */
-
-static void
-DeleteDeviceEvents(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client)
-{
- InputClientsPtr others;
- OtherInputMasks *pOthers;
- GrabPtr grab, next;
-
- if ((pOthers = wOtherInputMasks(pWin)) != 0)
- for (others = pOthers->inputClients; others; others = others->next)
- if (SameClient(others, client))
- others->mask[dev->id] = NoEventMask;
-
- for (grab = wPassiveGrabs(pWin); grab; grab = next) {
- next = grab->next;
- if ((grab->device == dev) &&
- (client->clientAsMask == CLIENT_BITS(grab->resource)))
- FreeResource(grab->resource, RT_NONE);
- }
-}
-
-/***********************************************************************
- *
- * Walk througth the window tree, deleting event selections for this client
- * from this device from all windows.
- *
- */
-
-static void
-DeleteEventsFromChildren(DeviceIntPtr dev, WindowPtr p1, ClientPtr client)
-{
- WindowPtr p2;
-
- while (p1) {
- p2 = p1->firstChild;
- DeleteDeviceEvents(dev, p1, client);
- DeleteEventsFromChildren(dev, p2, client);
- p1 = p1->nextSib;
- }
-}
-
-/***********************************************************************
- *
- * This procedure closes an input device.
- *
- */
-
-int
-ProcXCloseDevice(ClientPtr client)
-{
- int rc, i;
- WindowPtr pWin, p1;
- DeviceIntPtr d;
-
- REQUEST(xCloseDeviceReq);
- REQUEST_SIZE_MATCH(xCloseDeviceReq);
-
- rc = dixLookupDevice(&d, stuff->deviceid, client, DixUseAccess);
- if (rc != Success)
- return rc;
-
- if (d->deviceGrab.grab && SameClient(d->deviceGrab.grab, client))
- (*d->deviceGrab.DeactivateGrab) (d); /* release active grab */
-
- /* Remove event selections from all windows for events from this device
- * and selected by this client.
- * Delete passive grabs from all windows for this device. */
-
- for (i = 0; i < screenInfo.numScreens; i++) {
- pWin = screenInfo.screens[i]->root;
- DeleteDeviceEvents(d, pWin, client);
- p1 = pWin->firstChild;
- DeleteEventsFromChildren(d, p1, client);
- }
-
- return Success;
-}
+/************************************************************ + +Copyright 1989, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +Copyright 1989 by Hewlett-Packard Company, Palo Alto, California. + + 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 name of Hewlett-Packard 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. + +********************************************************/ + +/*********************************************************************** + * + * Extension function to close an extension input device. + * + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "inputstr.h" /* DeviceIntPtr */ +#include "windowstr.h" /* window structure */ +#include "scrnintstr.h" /* screen structure */ +#include <X11/extensions/XI.h> +#include <X11/extensions/XIproto.h> +#include "XIstubs.h" +#include "exglobals.h" + +#include "closedev.h" + +/*********************************************************************** + * + * This procedure closes an input device. + * + */ + +int +SProcXCloseDevice(ClientPtr client) +{ + REQUEST(xCloseDeviceReq); + swaps(&stuff->length); + REQUEST_SIZE_MATCH(xCloseDeviceReq); + return (ProcXCloseDevice(client)); +} + +/*********************************************************************** + * + * Clear out event selections and passive grabs from a window for the + * specified device. + * + */ + +static void +DeleteDeviceEvents(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client) +{ + InputClientsPtr others; + OtherInputMasks *pOthers; + GrabPtr grab, next; + + if ((pOthers = wOtherInputMasks(pWin)) != 0) + for (others = pOthers->inputClients; others; others = others->next) + if (SameClient(others, client)) + others->mask[dev->id] = NoEventMask; + + for (grab = wPassiveGrabs(pWin); grab; grab = next) { + next = grab->next; + if ((grab->device == dev) && + (client->clientAsMask == CLIENT_BITS(grab->resource))) + FreeResource(grab->resource, RT_NONE); + } +} + +/*********************************************************************** + * + * Walk througth the window tree, deleting event selections for this client + * from this device from all windows. + * + */ + +static void +DeleteEventsFromChildren(DeviceIntPtr dev, WindowPtr p1, ClientPtr client) +{ + WindowPtr p2; + + while (p1) { + p2 = p1->firstChild; + DeleteDeviceEvents(dev, p1, client); + DeleteEventsFromChildren(dev, p2, client); + p1 = p1->nextSib; + } +} + +/*********************************************************************** + * + * This procedure closes an input device. + * + */ + +int +ProcXCloseDevice(ClientPtr client) +{ + int rc, i; + WindowPtr pWin, p1; + DeviceIntPtr d; + + REQUEST(xCloseDeviceReq); + REQUEST_SIZE_MATCH(xCloseDeviceReq); + + rc = dixLookupDevice(&d, stuff->deviceid, client, DixUseAccess); + if (rc != Success) + return rc; + + if (d->deviceGrab.grab && SameClient(d->deviceGrab.grab, client)) + (*d->deviceGrab.DeactivateGrab) (d); /* release active grab */ + + /* Remove event selections from all windows for events from this device + * and selected by this client. + * Delete passive grabs from all windows for this device. */ + + for (i = 0; i < screenInfo.numScreens; i++) { + pWin = screenInfo.screens[i]->root; + DeleteDeviceEvents(d, pWin, client); + p1 = pWin->firstChild; + DeleteEventsFromChildren(d, p1, client); + } + + return Success; +} |