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Diffstat (limited to 'Xi/chgkbd.c')
| -rw-r--r-- | Xi/chgkbd.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/Xi/chgkbd.c b/Xi/chgkbd.c new file mode 100644 index 000000000..f48b4682b --- /dev/null +++ b/Xi/chgkbd.c @@ -0,0 +1,208 @@ +/* $Xorg: chgkbd.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 int ChangeDeviceNotify; +extern Mask ChangeDeviceNotifyMask; +extern InputInfo inputInfo; +extern void (* ReplySwapVector[256]) (); +DeviceIntPtr LookupDeviceIntRec(); + +/*********************************************************************** + * + * This procedure changes the keyboard device. + * + */ + +int +SProcXChangeKeyboardDevice(client) + register ClientPtr client; + { + register char n; + + REQUEST(xChangeKeyboardDeviceReq); + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xChangeKeyboardDeviceReq); + return(ProcXChangeKeyboardDevice(client)); + } + +/*********************************************************************** + * + * This procedure is invoked to swap the request bytes if the server and + * client have a different byte order. + * + */ + +ProcXChangeKeyboardDevice (client) + register ClientPtr client; + { + int i; + DeviceIntPtr xkbd = inputInfo.keyboard; + DeviceIntPtr dev; + FocusClassPtr xf = xkbd->focus; + FocusClassPtr df; + KeyClassPtr k; + xChangeKeyboardDeviceReply rep; + changeDeviceNotify ev; + extern Bool Must_have_memory; + + REQUEST(xChangeKeyboardDeviceReq); + REQUEST_SIZE_MATCH(xChangeKeyboardDeviceReq); + + rep.repType = X_Reply; + rep.RepType = X_ChangeKeyboardDevice; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + dev = LookupDeviceIntRec (stuff->deviceid); + if (dev == NULL) + { + rep.status = -1; + SendErrorToClient(client, IReqCode, X_ChangeKeyboardDevice, 0, + BadDevice); + return Success; + } + + k = dev->key; + if (k == NULL) + { + rep.status = -1; + SendErrorToClient(client, IReqCode, X_ChangeKeyboardDevice, 0, + BadMatch); + return Success; + } + + if (((dev->grab) && !SameClient(dev->grab, client)) || + ((xkbd->grab) && !SameClient(xkbd->grab, client))) + rep.status = AlreadyGrabbed; + else if ((dev->sync.frozen && + dev->sync.other && !SameClient(dev->sync.other, client)) || + (xkbd->sync.frozen && + xkbd->sync.other && !SameClient(xkbd->sync.other, client))) + rep.status = GrabFrozen; + else + { + if (ChangeKeyboardDevice (xkbd, dev) != Success) + { + SendErrorToClient(client, IReqCode, X_ChangeKeyboardDevice, 0, + BadDevice); + return Success; + } + if (!dev->focus) + InitFocusClassDeviceStruct (dev); + if (!dev->kbdfeed) + InitKbdFeedbackClassDeviceStruct(dev, (BellProcPtr)NoopDDA, + (KbdCtrlProcPtr)NoopDDA); + df = dev->focus; + df->win = xf->win; + df->revert = xf->revert; + df->time = xf->time; + df->traceGood = xf->traceGood; + if (df->traceSize != xf->traceSize) + { + Must_have_memory = TRUE; /* XXX */ + df->trace = (WindowPtr *) xrealloc(df->trace, + xf->traceSize * sizeof(WindowPtr)); + Must_have_memory = FALSE; /* XXX */ + } + df->traceSize = xf->traceSize; + for (i=0; i<df->traceSize; i++) + df->trace[i] = xf->trace[i]; + RegisterOtherDevice (xkbd); + RegisterKeyboardDevice ((DevicePtr)dev); + + ev.type = ChangeDeviceNotify; + ev.deviceid = stuff->deviceid; + ev.time = currentTime.milliseconds; + ev.request = NewKeyboard; + + SendEventToAllWindows (dev, ChangeDeviceNotifyMask, &ev, 1); + SendMappingNotify (MappingKeyboard, k->curKeySyms.minKeyCode, + k->curKeySyms.maxKeyCode - k->curKeySyms.minKeyCode + 1,client); + + rep.status = 0; + } + + WriteReplyToClient (client, sizeof (xChangeKeyboardDeviceReply), + &rep); + return Success; + } + +/*********************************************************************** + * + * This procedure writes the reply for the XChangeKeyboardDevice + * function, if the client and server have a different byte ordering. + * + */ + +SRepXChangeKeyboardDevice (client, size, rep) + ClientPtr client; + int size; + xChangeKeyboardDeviceReply *rep; + { + register char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + WriteToClient(client, size, (char *)rep); + } |