xtest1di.c

远程桌面连接工具

	 */
	register char	n;

	REQUEST(xTestStopInputReq);
	/*
	 * byte-swap the length field in the request
	 */
	swaps(&stuff->length, n);
	return(ProcTestStopInput(client));
}

/*****************************************************************************
 *
 *	SProcTestReset
 *
 *
 */
static int
SProcTestReset(client)
	register ClientPtr	client;
{
	/*
	 * used in the swaps and swapl macros for temporary storage space
	 */
	register char	n;

	REQUEST(xTestResetReq);
	/*
	 * byte-swap the length field in the request
	 */
	swaps(&stuff->length, n);
	return(ProcTestReset(client));
}

/*****************************************************************************
 *
 *	SProcTestQueryInputSize
 *
 *
 */
static int
SProcTestQueryInputSize(client)
	register ClientPtr	client;
{
	/*
	 * used in the swaps and swapl macros for temporary storage space
	 */
	register char	n;

	REQUEST(xTestQueryInputSizeReq);
	/*
	 * byte-swap the length field in the request
	 */
	swaps(&stuff->length, n);
	return(ProcTestQueryInputSize(client));
}

/*****************************************************************************
 *
 *	ProcTestFakeInput
 *
 *
 */
static int
ProcTestFakeInput(client)
	register ClientPtr	client;
{
	REQUEST(xTestFakeInputReq);
	REQUEST_SIZE_MATCH(xTestFakeInputReq);

	if (playback_client == NULL)
	    {
	    playback_client = client;
	    current_client_id = FakeClientID(client->index);
	    AddResource(current_client_id,
		    XTestType,
		    0);
	    MakeClientGrabImpervious(client);
	    }
	if (playback_client == client)
	{
		/*
		 * This extension does not need to clean up any
		 * server state when a client using this function
		 * "goes away".  The server will just process any
		 * input actions that have already been sent to it,
		 * and will then reset its association with a client.
		 */
		parse_fake_input(client, (char *)stuff);
		return(Success);
	}
	else
	{
		/*
		 * this is a request by another client to send fake
		 * input while the server is still being used
		 */
		SendErrorToClient(client,
				  XTestReqCode,
				  X_TestFakeInput,
				  None,
				  BadAccess);
		return(BadAccess);
	}
}

/*****************************************************************************
 *
 *	ProcTestGetInput
 *
 *
 */
static int
ProcTestGetInput(client)
	register ClientPtr	client;
{
	REQUEST(xTestGetInputReq);
	REQUEST_SIZE_MATCH(xTestGetInputReq);
	if (on_steal_input)
	{
		/*
		 * this is a request by another client to get fake input
		 * while the server is still sending input to the first client
		 */
		SendErrorToClient(client,
				  XTestReqCode,
				  X_TestGetInput,
				  None,
				  BadAccess);
		return(BadAccess);
	}
	else
	{ 
		/*
		 * Set up a resource associated with the client using this
		 * function so that this extension gets called when the 
		 * client "goes away".  This allows this extension to
		 * clean up the server state.
		 */
		current_client_id = FakeClientID(client->index);
		AddResource(current_client_id,
			    XTestType,
			    0);
		/*
		 * indicate that a client is stealing input
		 */
		on_steal_input = TRUE;
		if ((stuff->mode & XTestEXCLUSIVE) == 0)
		{
			exclusive_steal = FALSE;
		}
		else 
		{
			exclusive_steal = TRUE;
		}
		steal_input(client, stuff->mode);
		return(Success);
	}
}

/*****************************************************************************
 *
 *	ProcTestStopInput
 *
 *
 */
static int
ProcTestStopInput(client)
	register ClientPtr	client;
{
	REQUEST_SIZE_MATCH(xTestStopInputReq);
	if (on_steal_input && (current_xtest_client == client)) 
	{ 
		on_steal_input = FALSE;
		exclusive_steal = FALSE;
		stop_stealing_input();	
		/*
		 * remove the resource associated with this client
		 */
		FreeResource(current_client_id, RT_NONE);
		return(Success);
	}
	else
	{
		/*
		 * this is a request to stop fake input when fake input has
		 * never been started or from a client that hasn't started
		 * fake input
		 */
		SendErrorToClient(client,
				  XTestReqCode,
				  X_TestStopInput,
				  None,
				  BadAccess);
		return(BadAccess);
	}
}

/*****************************************************************************
 *
 *	ProcTestReset
 *
 *
 */
static int
ProcTestReset(client)
	register ClientPtr	client;
{
	REQUEST_SIZE_MATCH(xTestResetReq);
	on_steal_input = FALSE;
	exclusive_steal = FALSE;
	/*
	 * defined in xtest1dd.c
	 */
	stop_stealing_input();	
	/*
	 * defined in xtest1dd.c
	 */
	abort_play_back();
	return(Success);
}

/*****************************************************************************
 *
 *	ProcTestQueryInputSize
 *
 *
 */
static int
ProcTestQueryInputSize(client)
	register ClientPtr	client;
{
	REQUEST_SIZE_MATCH(xTestQueryInputSizeReq);
	/*
	 * defined in xtest1dd.c
	 */
	return_input_array_size(client);
	return(Success);
}

/*****************************************************************************
 *
 *	XTestResetProc
 *
 *	This function is called by the server when the server has no clients
 *	connected to it.  It must put eveything back the way it was before
 *	this extension was installed.
 */
/*ARGSUSED*/
static void
XTestResetProc(unused)
	ExtensionEntry * unused;
{
	/*
	 * remove the routine to handle byte-swapping the replies
	 * for this extension in the ReplySwapVector table
	 */
	ReplySwapVector[XTestReqCode] = ReplyNotSwappd;
	/*
	 * remove the routine to handle byte-swapping the events
	 * for this extension in the EventSwapVector table
	 */
	EventSwapVector[XTestInputActionType] = NotImplemented;
	EventSwapVector[XTestFakeAckType] = NotImplemented;
	/*
	 * reset the variables initialized just once at load time
	 */
	XTestReqCode = 0;
	XTestInputActionType = 0;
	XTestFakeAckType = 1;
	on_steal_input = FALSE;
	exclusive_steal = FALSE;
	playback_client = 0;	/* Don't really need this but it looks nice */
}

/*****************************************************************************
 *
 *	PXTestCurrentClientGone
 *
 *	This routine is called when a client that has asked for input actions
 *	to be sent to it "goes away".  This routine must clean up the 
 *	server state.
 */
/*ARGSUSED*/
static int
XTestCurrentClientGone(value, id)
	pointer	value;
	XID	id;
{
	/*
	 * defined in xtest1dd.c
	 */
	on_steal_input = FALSE;
	exclusive_steal = FALSE;
	/*
	 * defined in xtestdd.c
	 */
	playback_client = 0;
	abort_play_back();
	return TRUE;
}

/*****************************************************************************
 *
 *	SReplyXTestDispatch
 *
 *	Swap any replies defined in this extension.
 */
static void
SReplyXTestDispatch(client_ptr, size, reply_ptr)
	ClientPtr	client_ptr;
	int		size;
	char		*reply_ptr;
{
	/*
	 * used in the swaps and swapl macros for temporary storage space
	 */
	register char	n;
	/*
	 * pointer to xTestQueryInputSizeReply
	 */
	xTestQueryInputSizeReply	*rep_ptr;

	/*
	 * there is only one reply in this extension, so byte-swap it
	 */
	rep_ptr = (xTestQueryInputSizeReply *) reply_ptr;
	swaps(&(rep_ptr->sequenceNumber), n);
	swapl(&(rep_ptr->length), n);
	swapl(&(rep_ptr->size_return), n);
	/*
	 * now write the swapped reply to the client
	 */
	WriteToClient(client_ptr, size, reply_ptr);
}

/*****************************************************************************
 *
 *	SEventXTestDispatch
 *
 *	Swap any events defined in this extension.
 */
static void
SEventXTestDispatch(from, to)
	xEvent	*from;
	xEvent	*to;
{
	/*
	 * used in the swaps and swapl macros for temporary storage space
	 */
	register char	n;
	/*
	 * index counter
	 */
	int		i;
	/*
	 * pointer to the next input action in the event
	 */
	CARD8		*input_action_ptr;
	/*
	 * holds the type of the next input action in the event
	 */
	int		input_action_type;


	/*
	 * copy the type information from the "from" event to the "to" event
	 */
	((xTestInputActionEvent *) to)->type =
	((xTestInputActionEvent *) from)->type;
	/*
	 * copy the sequence number information from the "from" event to the
	 * "to" event
	 */
	((xTestInputActionEvent *) to)->sequenceNumber =
	((xTestInputActionEvent *) from)->sequenceNumber;
	/*
	 * byte-swap the sequence number in the "to" event
	 */
	swaps(&(((xTestInputActionEvent *) to)->sequenceNumber), n);
	/*
	 * If the event is an xTestInputActionEvent, then it needs more
	 * processing.  Otherwise, it is an xTestFakeAckEvent, which
	 * has no other information in it.
	 */
	if ((((xTestInputActionEvent *) to)->type & 0x7f) ==
	    XTestInputActionType)
	{
		/*
		 * copy the input actions from the "from" event
		 * to the "to" event
		 */
		for (i = 0; i < XTestACTIONS_SIZE; i++)
		{
			((xTestInputActionEvent *) to)->actions[i] =
			((xTestInputActionEvent *) from)->actions[i];
		}
		/*
		 * byte-swap the input actions in the "to" event
		 */
		for (i = 0; i < XTestACTIONS_SIZE; i++)
		{
			/*
			 * point to the next input action in the event
			 */
			input_action_ptr = &(((xTestInputActionEvent *) to)->actions[i]);
			/*
			 * figure out what type of input action it is
			 */
			input_action_type = (*input_action_ptr) &
					    XTestACTION_TYPE_MASK;
			/*
			 * byte-swap the input action according to it's type
			 */
			switch (input_action_type)
			{
			case XTestKEY_ACTION:
				/*
				 * byte-swap the delay_time field
				 */
				swaps(&(((XTestKeyInfo *) input_action_ptr)->delay_time), n);
				/*
				 * advance to the next input action
				 */
				i += sizeof(XTestKeyInfo);
				break;
			case XTestMOTION_ACTION:
				/*
				 * byte-swap the delay_time field
				 */
				swaps(&(((XTestMotionInfo *) input_action_ptr)->delay_time), n);
				/*
				 * advance to the next input action
				 */
				i += sizeof(XTestMotionInfo);
				break;
			case XTestJUMP_ACTION:
				/*
				 * byte-swap the jumpx field
				 */
				swaps(&(((XTestJumpInfo *) input_action_ptr)->jumpx), n);
				/*
				 * byte-swap the jumpy field
				 */
				swaps(&(((XTestJumpInfo *) input_action_ptr)->jumpy), n);
				/*
				 * byte-swap the delay_time field
				 */
				swaps(&(((XTestJumpInfo *) input_action_ptr)->delay_time), n);
				/*
				 * advance to the next input action
				 */
				i += sizeof(XTestJumpInfo);
				break;
			default:
				/*
				 * if this is a delay input action, then
				 * byte-swap it, otherwise we have reached the
				 * end of the input actions in this event
				 */
				if (XTestUnpackDeviceID(*input_action_ptr) ==
				    XTestDELAY_DEVICE_ID)
				{
					/*
					 * byte-swap the delay_time field
					 */
					swapl(&(((XTestDelayInfo *) input_action_ptr)->delay_time), n);
					/*
					 * advance to the next input action
					 */
					i += sizeof(XTestDelayInfo);
				}
				else
				{
					/*
					 * if the input action header byte is 0
					 * or ill-formed, then there are no
					 * more input actions in this event
					 */
					i = XTestACTIONS_SIZE;
				}
				break;
			}
		}
	}
}