142 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			142 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
 | |
|  * Copyright © 2009 Red Hat, Inc.
 | |
|  *
 | |
|  * Permission is hereby granted, free of charge, to any person obtaining a
 | |
|  * copy of this software and associated documentation files (the "Software"),
 | |
|  * to deal in the Software without restriction, including without limitation
 | |
|  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 | |
|  * and/or sell copies of the Software, and to permit persons to whom the
 | |
|  * Software is furnished to do so, subject to the following conditions:
 | |
|  *
 | |
|  * The above copyright notice and this permission notice (including the next
 | |
|  * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
 | |
|  *
 | |
|  * Author: Peter Hutterer
 | |
|  */
 | |
| 
 | |
| /***********************************************************************
 | |
|  *
 | |
|  * Request to allow some device events.
 | |
|  *
 | |
|  */
 | |
| 
 | |
| #include <dix-config.h>
 | |
| 
 | |
| #include <X11/extensions/XI2.h>
 | |
| #include <X11/extensions/XI2proto.h>
 | |
| 
 | |
| #include "dix/dix_priv.h"
 | |
| #include "dix/exevents_priv.h"
 | |
| #include "dix/input_priv.h"
 | |
| #include "os/fmt.h"
 | |
| 
 | |
| #include "inputstr.h"           /* DeviceIntPtr      */
 | |
| #include "windowstr.h"          /* window structure  */
 | |
| #include "mi.h"
 | |
| #include "eventstr.h"
 | |
| #include "exglobals.h"          /* BadDevice */
 | |
| #include "xiallowev.h"
 | |
| 
 | |
| int _X_COLD
 | |
| SProcXIAllowEvents(ClientPtr client)
 | |
| {
 | |
|     REQUEST(xXIAllowEventsReq);
 | |
|     REQUEST_AT_LEAST_SIZE(xXIAllowEventsReq);
 | |
| 
 | |
|     swaps(&stuff->deviceid);
 | |
|     swapl(&stuff->time);
 | |
|     if (client->req_len > 3) {
 | |
|         xXI2_2AllowEventsReq *req_xi22 = (xXI2_2AllowEventsReq *) stuff;
 | |
| 
 | |
|         REQUEST_AT_LEAST_SIZE(xXI2_2AllowEventsReq);
 | |
|         swapl(&req_xi22->touchid);
 | |
|         swapl(&req_xi22->grab_window);
 | |
|     }
 | |
| 
 | |
|     return ProcXIAllowEvents(client);
 | |
| }
 | |
| 
 | |
| int
 | |
| ProcXIAllowEvents(ClientPtr client)
 | |
| {
 | |
|     TimeStamp time;
 | |
|     DeviceIntPtr dev;
 | |
|     int ret = Success;
 | |
|     XIClientPtr xi_client;
 | |
|     Bool have_xi22 = FALSE;
 | |
| 
 | |
|     REQUEST(xXI2_2AllowEventsReq);
 | |
| 
 | |
|     xi_client = dixLookupPrivate(&client->devPrivates, XIClientPrivateKey);
 | |
| 
 | |
|     if (version_compare(xi_client->major_version,
 | |
|                         xi_client->minor_version, 2, 2) >= 0) {
 | |
|         REQUEST_AT_LEAST_SIZE(xXI2_2AllowEventsReq);
 | |
|         have_xi22 = TRUE;
 | |
|     }
 | |
|     else {
 | |
|         REQUEST_AT_LEAST_SIZE(xXIAllowEventsReq);
 | |
|     }
 | |
| 
 | |
|     ret = dixLookupDevice(&dev, stuff->deviceid, client, DixGetAttrAccess);
 | |
|     if (ret != Success)
 | |
|         return ret;
 | |
| 
 | |
|     time = ClientTimeToServerTime(stuff->time);
 | |
| 
 | |
|     switch (stuff->mode) {
 | |
|     case XIReplayDevice:
 | |
|         AllowSome(client, time, dev, GRAB_STATE_NOT_GRABBED);
 | |
|         break;
 | |
|     case XISyncDevice:
 | |
|         AllowSome(client, time, dev, GRAB_STATE_FREEZE_NEXT_EVENT);
 | |
|         break;
 | |
|     case XIAsyncDevice:
 | |
|         AllowSome(client, time, dev, GRAB_STATE_THAWED);
 | |
|         break;
 | |
|     case XIAsyncPairedDevice:
 | |
|         if (InputDevIsMaster(dev))
 | |
|             AllowSome(client, time, dev, GRAB_STATE_THAW_OTHERS);
 | |
|         break;
 | |
|     case XISyncPair:
 | |
|         if (InputDevIsMaster(dev))
 | |
|             AllowSome(client, time, dev, GRAB_STATE_FREEZE_BOTH_NEXT_EVENT);
 | |
|         break;
 | |
|     case XIAsyncPair:
 | |
|         if (InputDevIsMaster(dev))
 | |
|             AllowSome(client, time, dev, GRAB_STATE_THAWED_BOTH);
 | |
|         break;
 | |
|     case XIRejectTouch:
 | |
|     case XIAcceptTouch:
 | |
|     {
 | |
|         int rc;
 | |
|         WindowPtr win;
 | |
| 
 | |
|         if (!have_xi22)
 | |
|             return BadValue;
 | |
| 
 | |
|         rc = dixLookupWindow(&win, stuff->grab_window, client, DixReadAccess);
 | |
|         if (rc != Success)
 | |
|             return rc;
 | |
| 
 | |
|         ret = TouchAcceptReject(client, dev, stuff->mode, stuff->touchid,
 | |
|                                 stuff->grab_window, &client->errorValue);
 | |
|     }
 | |
|         break;
 | |
|     default:
 | |
|         client->errorValue = stuff->mode;
 | |
|         ret = BadValue;
 | |
|     }
 | |
| 
 | |
|     return ret;
 | |
| }
 |