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Member "xorg-server-1.20.5/Xi/allowev.c" (30 May 2019, 4258 Bytes) of package /linux/misc/xorg-server-1.20.5.tar.bz2:


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    1 /************************************************************
    2 
    3 Copyright 1989, 1998  The Open Group
    4 
    5 Permission to use, copy, modify, distribute, and sell this software and its
    6 documentation for any purpose is hereby granted without fee, provided that
    7 the above copyright notice appear in all copies and that both that
    8 copyright notice and this permission notice appear in supporting
    9 documentation.
   10 
   11 The above copyright notice and this permission notice shall be included in
   12 all copies or substantial portions of the Software.
   13 
   14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
   17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
   18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   20 
   21 Except as contained in this notice, the name of The Open Group shall not be
   22 used in advertising or otherwise to promote the sale, use or other dealings
   23 in this Software without prior written authorization from The Open Group.
   24 
   25 Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
   26 
   27             All Rights Reserved
   28 
   29 Permission to use, copy, modify, and distribute this software and its
   30 documentation for any purpose and without fee is hereby granted,
   31 provided that the above copyright notice appear in all copies and that
   32 both that copyright notice and this permission notice appear in
   33 supporting documentation, and that the name of Hewlett-Packard not be
   34 used in advertising or publicity pertaining to distribution of the
   35 software without specific, written prior permission.
   36 
   37 HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
   38 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
   39 HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
   40 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
   41 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
   42 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
   43 SOFTWARE.
   44 
   45 ********************************************************/
   46 
   47 /***********************************************************************
   48  *
   49  * Function to allow frozen events to be routed from extension input devices.
   50  *
   51  */
   52 
   53 #ifdef HAVE_DIX_CONFIG_H
   54 #include <dix-config.h>
   55 #endif
   56 
   57 #include "inputstr.h"           /* DeviceIntPtr      */
   58 #include <X11/extensions/XI.h>
   59 #include <X11/extensions/XIproto.h>
   60 
   61 #include "exglobals.h"
   62 
   63 #include "allowev.h"
   64 #include "dixevents.h"
   65 
   66 /***********************************************************************
   67  *
   68  * This procedure allows frozen events to be routed.
   69  *
   70  */
   71 
   72 int _X_COLD
   73 SProcXAllowDeviceEvents(ClientPtr client)
   74 {
   75     REQUEST(xAllowDeviceEventsReq);
   76     swaps(&stuff->length);
   77     REQUEST_SIZE_MATCH(xAllowDeviceEventsReq);
   78     swapl(&stuff->time);
   79     return (ProcXAllowDeviceEvents(client));
   80 }
   81 
   82 /***********************************************************************
   83  *
   84  * This procedure allows frozen events to be routed.
   85  *
   86  */
   87 
   88 int
   89 ProcXAllowDeviceEvents(ClientPtr client)
   90 {
   91     TimeStamp time;
   92     DeviceIntPtr thisdev;
   93     int rc;
   94 
   95     REQUEST(xAllowDeviceEventsReq);
   96     REQUEST_SIZE_MATCH(xAllowDeviceEventsReq);
   97 
   98     rc = dixLookupDevice(&thisdev, stuff->deviceid, client, DixGetAttrAccess);
   99     if (rc != Success)
  100         return rc;
  101     time = ClientTimeToServerTime(stuff->time);
  102 
  103     switch (stuff->mode) {
  104     case ReplayThisDevice:
  105         AllowSome(client, time, thisdev, NOT_GRABBED);
  106         break;
  107     case SyncThisDevice:
  108         AllowSome(client, time, thisdev, FREEZE_NEXT_EVENT);
  109         break;
  110     case AsyncThisDevice:
  111         AllowSome(client, time, thisdev, THAWED);
  112         break;
  113     case AsyncOtherDevices:
  114         AllowSome(client, time, thisdev, THAW_OTHERS);
  115         break;
  116     case SyncAll:
  117         AllowSome(client, time, thisdev, FREEZE_BOTH_NEXT_EVENT);
  118         break;
  119     case AsyncAll:
  120         AllowSome(client, time, thisdev, THAWED_BOTH);
  121         break;
  122     default:
  123         client->errorValue = stuff->mode;
  124         return BadValue;
  125     }
  126     return Success;
  127 }