129 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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| 
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| Copyright 2007 Peter Hutterer <peter@cs.unisa.edu.au>
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| 
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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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| 
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| The above copyright notice and this permission notice shall be included
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| in all copies or substantial portions of the Software.
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| 
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| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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| OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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| MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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| IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR
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| OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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| ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| OTHER DEALINGS IN THE SOFTWARE.
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| 
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| Except as contained in this notice, the name of the author shall
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| not be used in advertising or otherwise to promote the sale, use or
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| other dealings in this Software without prior written authorization
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| from the author.
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| 
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| */
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| 
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| /***********************************************************************
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|  *
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|  * Request to fake data for a given device.
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|  *
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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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| #ifdef HAVE_DIX_CONFIG_H
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| #include <dix-config.h>
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| #endif
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| 
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| #include <X11/X.h>	/* for inputstr.h    */
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| #include <X11/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 "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 "extnsionst.h"
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| #include "extinit.h"	/* LookupDeviceIntRec */
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| #include "exevents.h"
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| #include "exglobals.h"
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| #include "mi.h"
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| 
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| #include "fakedevdata.h"
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| 
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| static EventListPtr fake_events = NULL;
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| 
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| int
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| SProcXFakeDeviceData(ClientPtr client)
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| {
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|     char n;
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|     int i;
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|     ValuatorData* p;
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| 
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|     REQUEST(xFakeDeviceDataReq);
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| 
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|     swaps(&stuff->length, n);
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|     REQUEST_AT_LEAST_SIZE(xFakeDeviceDataReq);
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| 
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|     p = (ValuatorData*)&stuff[1];
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|     for (i = 0; i <  stuff->num_valuators; i++, p++)
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|         swapl(p, n);
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| 
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|     return ProcXFakeDeviceData(client);;
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| }
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| 
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| int 
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| ProcXFakeDeviceData(ClientPtr client)
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| {
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|     DeviceIntPtr dev;
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|     int nevents, i;
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|     int* valuators = NULL;
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| 
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|     REQUEST(xFakeDeviceDataReq);
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|     REQUEST_AT_LEAST_SIZE(xFakeDeviceDataReq);
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| 
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|     if (stuff->length != (sizeof(xFakeDeviceDataReq) >> 2) + stuff->num_valuators)
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|     {
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|         SendErrorToClient(client, IReqCode, X_FakeDeviceData, 0, BadLength);
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|         return Success;
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|     }
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| 
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|     dev = LookupDeviceIntRec(stuff->deviceid);
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|     if (dev == NULL) {
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|         SendErrorToClient(client, IReqCode, X_FakeDeviceData, 0, BadDevice); 
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|         return Success;
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|     }
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| 
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|     if (!fake_events && !(fake_events = InitEventList(GetMaximumEventsNum())))
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|     {
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|         SendErrorToClient(client, IReqCode, X_FakeDeviceData, 0, BadAlloc);
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|         return Success;
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|     }
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|     if (stuff->num_valuators)
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|     {
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|         CARD32* valptr = (CARD32*)&stuff[1];
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| 
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|         valuators = xcalloc(stuff->num_valuators, sizeof(int));
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|         if (!valuators)
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|         {
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|             SendErrorToClient(client, IReqCode, X_FakeDeviceData, 0, BadAlloc);
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|             return Success;
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|         }
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|         for (i = 0; i < stuff->num_valuators; i++, valptr++)
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|             valuators[i] = (int)(*valptr);
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|     }
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| 
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|     nevents = GetPointerEvents(fake_events, dev, stuff->type, stuff->buttons,
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|             POINTER_RELATIVE, stuff->first_valuator, stuff->num_valuators,
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|             valuators);
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| 
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|     OsBlockSignals();
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|     for (i = 0; i < nevents; i++)
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|         mieqEnqueue(dev, (fake_events+ i)->event);
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|     OsReleaseSignals();
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|     xfree(valuators);
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|     return Success;
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| }
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