diff options
Diffstat (limited to 'difs/events.c')
-rw-r--r-- | difs/events.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/difs/events.c b/difs/events.c new file mode 100644 index 0000000..cd75ad4 --- /dev/null +++ b/difs/events.c @@ -0,0 +1,134 @@ +/* $Xorg: events.c,v 1.4 2001/02/09 02:05:42 xorgcvs Exp $ */ +/* + * event handling stuff + */ +/* + +Copyright 1990, 1991, 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 1990, 1991 Network Computing Devices; + * Portions Copyright 1987 by Digital Equipment Corporation + * + * 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, and that the names of Network Computing Devices, or Digital + * not be used in advertising or publicity pertaining to distribution + * of the software without specific, written prior permission. + * + * NETWORK COMPUTING DEVICES, AND DIGITAL DISCLAIM ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NETWORK COMPUTING DEVICES, + * OR DIGITAL 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. + */ + +#include "clientstr.h" +#include "FSproto.h" +#include "globals.h" +#include "events.h" + +extern void (*EventSwapVector[NUM_EVENT_VECTORS]) (); + +static Mask lastEventMask = FontChangeNotifyMask; + +#define AllEventMasks (lastEventMask | (lastEventMask - 1)) + +void +WriteErrorToClient(client, error) + ClientPtr client; + fsError *error; +{ + if (client->swapped) { + fsError errorTo; + + SErrorEvent(error, &errorTo); + (void) WriteToClient(client, SIZEOF(fsError), (char *) &errorTo); + } else { + (void) WriteToClient(client, SIZEOF(fsError), + (char *) error); + } +} + +int +ProcSetEventMask(client) + ClientPtr client; +{ + REQUEST(fsSetEventMaskReq); + REQUEST_AT_LEAST_SIZE(fsSetEventMaskReq); + + if (stuff->event_mask & ~AllEventMasks) { + SendErrToClient(client, FSBadEventMask, (pointer) stuff->event_mask); + return FSBadEventMask; + } + client->eventmask = stuff->event_mask; + return client->noClientException; +} + +int +ProcGetEventMask(client) + ClientPtr client; +{ + fsGetEventMaskReply rep; + + REQUEST(fsGetEventMaskReq); + REQUEST_AT_LEAST_SIZE(fsGetEventMaskReq); + + rep.type = FS_Reply; + rep.sequenceNumber = client->sequence; + rep.length = SIZEOF(fsGetEventMaskReply) >> 2; + rep.event_mask = client->eventmask; + + return client->noClientException; +} + +void +SendKeepAliveEvent(client) + ClientPtr client; +{ + fsKeepAliveEvent ev; + + ev.type = FS_Event; + ev.event_code = KeepAlive; + ev.sequenceNumber = client->sequence; + ev.length = SIZEOF(fsKeepAliveEvent) >> 2; + ev.timestamp = GetTimeInMillis(); + +#ifdef DEBUG + fprintf(stderr, "client #%d is getting a KeepAlive\n", client->index); +#endif + + if (client->swapped) { + /* SErrorEvent requires two fsError pointers */ + fsError evTo; + + SErrorEvent((fsError *) & ev, (fsError *) &evTo); + (void) WriteToClient(client, SIZEOF(fsKeepAliveEvent), (char *) &evTo); + } else { + (void) WriteToClient(client, SIZEOF(fsKeepAliveEvent), (char *) &ev); + } +} |