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Diffstat (limited to 'Xi/sendexev.c')
| -rw-r--r-- | Xi/sendexev.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/Xi/sendexev.c b/Xi/sendexev.c new file mode 100644 index 000000000..36a1ad326 --- /dev/null +++ b/Xi/sendexev.c @@ -0,0 +1,173 @@ +/* $Xorg: sendexev.c,v 1.4 2001/02/09 02:04:34 xorgcvs Exp $ */ + +/************************************************************ + +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. + +********************************************************/ + +/*********************************************************************** + * + * Request to send an extension event. + * + */ + +#define EXTENSION_EVENT_BASE 64 +#define NEED_EVENTS +#define NEED_REPLIES +#include "X.h" /* for inputstr.h */ +#include "Xproto.h" /* Request macro */ +#include "inputstr.h" /* DeviceIntPtr */ +#include "windowstr.h" /* Window */ +#include "XI.h" +#include "XIproto.h" + +extern int IReqCode; +extern int BadDevice; +extern void (* ReplySwapVector[256]) (); +extern void (* EventSwapVector[128]) (); +DeviceIntPtr LookupDeviceIntRec(); + +/*********************************************************************** + * + * Handle requests from clients with a different byte order than us. + * + */ + +int +SProcXSendExtensionEvent(client) + register ClientPtr client; + { + register char n; + register long *p; + register int i; + xEvent eventT; + xEvent *eventP; + void (*proc)(), NotImplemented(); + + REQUEST(xSendExtensionEventReq); + swaps(&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xSendExtensionEventReq); + swapl(&stuff->destination, n); + swaps(&stuff->count, n); + eventP = (xEvent *) &stuff[1]; + for (i=0; i<stuff->num_events; i++,eventP++) + { + proc = EventSwapVector[eventP->u.u.type & 0177]; + if (proc == NotImplemented) /* no swapping proc; invalid event type? */ + return (BadValue); + (*proc)(eventP, &eventT); + *eventP = eventT; + } + + p = (long *) (((xEvent *) &stuff[1]) + stuff->num_events); + for (i=0; i<stuff->count; i++) + { + swapl(p, n); + p++; + } + return(ProcXSendExtensionEvent(client)); + } + +/*********************************************************************** + * + * Send an event to some client, as if it had come from an extension input + * device. + * + */ + +ProcXSendExtensionEvent (client) + register ClientPtr client; + { + int ret; + extern int lastEvent; /* Defined in extension.c */ + DeviceIntPtr dev; + xEvent *first; + XEventClass *list; + struct tmask tmp[EMASKSIZE]; + + REQUEST(xSendExtensionEventReq); + REQUEST_AT_LEAST_SIZE(xSendExtensionEventReq); + + if (stuff->length !=(sizeof(xSendExtensionEventReq)>>2) + stuff->count + + (stuff->num_events * (sizeof (xEvent) >> 2))) + { + SendErrorToClient (client, IReqCode, X_SendExtensionEvent, 0, + BadLength); + return Success; + } + + dev = LookupDeviceIntRec (stuff->deviceid); + if (dev == NULL) + { + SendErrorToClient(client, IReqCode, X_SendExtensionEvent, 0, + BadDevice); + return Success; + } + + /* The client's event type must be one defined by an extension. */ + + first = ((xEvent *) &stuff[1]); + if ( ! ((EXTENSION_EVENT_BASE <= first->u.u.type) && + (first->u.u.type < lastEvent)) ) + { + client->errorValue = first->u.u.type; + SendErrorToClient(client, IReqCode, X_SendExtensionEvent, 0, + BadValue); + return Success; + } + + list = (XEventClass *) (first + stuff->num_events); + if ((ret = CreateMaskFromList (client, list, stuff->count, tmp, dev, + X_SendExtensionEvent)) != Success) + return Success; + + ret = (SendEvent (client, dev, stuff->destination, + stuff->propagate, &stuff[1], tmp[stuff->deviceid].mask, + stuff->num_events)); + + if (ret != Success) + SendErrorToClient(client, IReqCode, X_SendExtensionEvent, 0, ret); + + return Success; + } |