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Diffstat (limited to 'Xi/devbell.c')
| -rw-r--r-- | Xi/devbell.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/Xi/devbell.c b/Xi/devbell.c new file mode 100644 index 000000000..60e58e147 --- /dev/null +++ b/Xi/devbell.c @@ -0,0 +1,167 @@ +/* $Xorg: devbell.c,v 1.4 2001/02/09 02:04:33 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. + +********************************************************/ + +/*********************************************************************** + * + * Extension function to change the keyboard device. + * + */ + +#define NEED_EVENTS +#define NEED_REPLIES +#include "X.h" /* for inputstr.h */ +#include "Xproto.h" /* Request macro */ +#include "inputstr.h" /* DeviceIntPtr */ +#include "XI.h" +#include "XIproto.h" + +extern int IReqCode; +extern int BadDevice; +extern void (* ReplySwapVector[256]) (); +DeviceIntPtr LookupDeviceIntRec(); + +/*********************************************************************** + * + * This procedure is invoked to swap the request bytes if the server and + * client have a different byte order. + * + */ + +int +SProcXDeviceBell(client) + register ClientPtr client; + { + register char n; + + REQUEST(xDeviceBellReq); + swaps(&stuff->length, n); + return(ProcXDeviceBell(client)); + } + +/*********************************************************************** + * + * This procedure rings a bell on an extension device. + * + */ + +ProcXDeviceBell (client) + register ClientPtr client; + { + DeviceIntPtr dev; + KbdFeedbackPtr k; + BellFeedbackPtr b; + int base; + int newpercent; + CARD8 class; + pointer ctrl; + void (*proc)(); + + REQUEST(xDeviceBellReq); + REQUEST_SIZE_MATCH(xDeviceBellReq); + + dev = LookupDeviceIntRec (stuff->deviceid); + if (dev == NULL) + { + client->errorValue = stuff->deviceid; + SendErrorToClient(client, IReqCode, X_DeviceBell, 0, BadDevice); + return Success; + } + + if (stuff->percent < -100 || stuff->percent > 100) + { + client->errorValue = stuff->percent; + SendErrorToClient(client, IReqCode, X_DeviceBell, 0, BadValue); + return Success; + } + if (stuff->feedbackclass == KbdFeedbackClass) + { + for (k=dev->kbdfeed; k; k=k->next) + if (k->ctrl.id == stuff->feedbackid) + break; + if (!k) + { + client->errorValue = stuff->feedbackid; + SendErrorToClient(client, IReqCode, X_DeviceBell, 0, BadValue); + return Success; + } + base = k->ctrl.bell; + proc = k->BellProc; + ctrl = (pointer) &(k->ctrl); + class = KbdFeedbackClass; + } + else if (stuff->feedbackclass == BellFeedbackClass) + { + for (b=dev->bell; b; b=b->next) + if (b->ctrl.id == stuff->feedbackid) + break; + if (!b) + { + client->errorValue = stuff->feedbackid; + SendErrorToClient(client, IReqCode, X_DeviceBell, 0, BadValue); + return Success; + } + base = b->ctrl.percent; + proc = b->BellProc; + ctrl = (pointer) &(b->ctrl); + class = BellFeedbackClass; + } + else + { + client->errorValue = stuff->feedbackclass; + SendErrorToClient(client, IReqCode, X_DeviceBell, 0, BadValue); + return Success; + } + newpercent = (base * stuff->percent) / 100; + if (stuff->percent < 0) + newpercent = base + newpercent; + else + newpercent = base - newpercent + stuff->percent; + (*proc)(newpercent, dev, ctrl, class); + + return Success; + } |