diff options
Diffstat (limited to 'xorg-server/Xi/sendexev.c')
| -rw-r--r-- | xorg-server/Xi/sendexev.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/xorg-server/Xi/sendexev.c b/xorg-server/Xi/sendexev.c new file mode 100644 index 000000000..588c91023 --- /dev/null +++ b/xorg-server/Xi/sendexev.c @@ -0,0 +1,158 @@ +/************************************************************ + +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 +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "inputstr.h" /* DeviceIntPtr */ +#include "windowstr.h" /* Window */ +#include "extnsionst.h" /* EventSwapPtr */ +#include <X11/extensions/XI.h> +#include <X11/extensions/XIproto.h> +#include "exevents.h" +#include "exglobals.h" + +#include "grabdev.h" +#include "sendexev.h" + +extern int lastEvent; /* Defined in extension.c */ + +/*********************************************************************** + * + * Handle requests from clients with a different byte order than us. + * + */ + +int +SProcXSendExtensionEvent(ClientPtr client) +{ + char n; + CARD32 *p; + int i; + xEvent eventT; + xEvent *eventP; + EventSwapPtr proc; + + REQUEST(xSendExtensionEventReq); + swaps(&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xSendExtensionEventReq); + swapl(&stuff->destination, n); + swaps(&stuff->count, n); + + if (stuff->length != (sizeof(xSendExtensionEventReq) >> 2) + stuff->count + + (stuff->num_events * (sizeof(xEvent) >> 2))) + return BadLength; + + 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 = (CARD32 *)(((xEvent *) & stuff[1]) + stuff->num_events); + SwapLongs(p, stuff->count); + return (ProcXSendExtensionEvent(client)); +} + +/*********************************************************************** + * + * Send an event to some client, as if it had come from an extension input + * device. + * + */ + +int +ProcXSendExtensionEvent(ClientPtr client) +{ + int ret; + 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))) + return BadLength; + + ret = dixLookupDevice(&dev, stuff->deviceid, client, DixWriteAccess); + if (ret != Success) + return ret; + + /* 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; + return BadValue; + + list = (XEventClass *) (first + stuff->num_events); + if ((ret = CreateMaskFromList(client, list, stuff->count, tmp, dev, + X_SendExtensionEvent)) != Success) + return ret; + + ret = (SendEvent(client, dev, stuff->destination, + stuff->propagate, (xEvent *) & stuff[1], + tmp[stuff->deviceid].mask, stuff->num_events)); + + return ret; +} |