diff options
Diffstat (limited to 'nx-X11/lib/X11/XKBList.c')
-rw-r--r-- | nx-X11/lib/X11/XKBList.c | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/nx-X11/lib/X11/XKBList.c b/nx-X11/lib/X11/XKBList.c new file mode 100644 index 000000000..2f4a53490 --- /dev/null +++ b/nx-X11/lib/X11/XKBList.c @@ -0,0 +1,251 @@ +/* $Xorg: XKBList.c,v 1.3 2000/08/17 19:45:02 cpqbld Exp $ */ +/************************************************************ +Copyright (c) 1995 by Silicon Graphics Computer Systems, Inc. + +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 Silicon Graphics not be +used in advertising or publicity pertaining to distribution +of the software without specific prior written permission. +Silicon Graphics makes no representation about the suitability +of this software for any purpose. It is provided "as is" +without any express or implied warranty. + +SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS +SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON +GRAPHICS 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. + +********************************************************/ +/* $XFree86$ */ + +#define NEED_REPLIES +#define NEED_EVENTS +#define NEED_MAP_READERS +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "Xlibint.h" +#include <X11/extensions/XKBproto.h> +#include "XKBlibint.h" + +/***====================================================================***/ + +static void +_FreeComponentNames(int num,XkbComponentNamePtr names) +{ +int i; +XkbComponentNamePtr tmp; + + if ((num<1)||(names==NULL)) + return; + for (i=0,tmp=names;i<num;i++,tmp++) { + if (tmp->name) { + _XkbFree(tmp->name); + tmp->name= NULL; + } + } + _XkbFree(names); + return; +} + +/***====================================================================***/ + +static XkbComponentNamePtr +_ReadListing(XkbReadBufferPtr buf,int count,Status *status_rtrn) +{ +XkbComponentNamePtr first,this; +register int i; +CARD16 * flags; +int slen,wlen; +char * str; + + if (count<1) + return NULL; + first= _XkbTypedCalloc(count,XkbComponentNameRec); + if (!first) + return NULL; + for (this=first,i=0;i<count;i++,this++) { + flags= (CARD16 *)_XkbGetReadBufferPtr(buf,2*sizeof(CARD16)); + if (!flags) + goto BAILOUT; + this->flags= flags[0]; + slen= flags[1]; + wlen= ((slen+1)/2)*2; /* pad to 2 byte boundary */ + this->name= _XkbTypedCalloc(slen+1,char); + if (!this->name) + goto BAILOUT; + str= (char *)_XkbGetReadBufferPtr(buf,wlen); + memcpy(this->name,str,slen); + } + return first; +BAILOUT: + *status_rtrn= BadAlloc; + _FreeComponentNames(i,first); + return NULL; +} + +/***====================================================================***/ + +XkbComponentListPtr +XkbListComponents( Display * dpy, + unsigned deviceSpec, + XkbComponentNamesPtr ptrns, + int * max_inout) +{ +register xkbListComponentsReq* req; +xkbListComponentsReply rep; +XkbInfoPtr xkbi; +XkbComponentListPtr list; +XkbReadBufferRec buf; +int left; +char * str; +int extraLen,len,mapLen,codesLen,typesLen,compatLen,symsLen,geomLen; + + if ( (dpy==NULL) || (dpy->flags & XlibDisplayNoXkb) || + (!dpy->xkb_info && !XkbUseExtension(dpy,NULL,NULL)) || + (ptrns==NULL) || (max_inout==NULL)) + return NULL; + + xkbi= dpy->xkb_info; + LockDisplay(dpy); + GetReq(kbListComponents, req); + req->reqType = xkbi->codes->major_opcode; + req->xkbReqType = X_kbListComponents; + req->deviceSpec = deviceSpec; + req->maxNames = *max_inout; + + mapLen= codesLen= typesLen= compatLen= symsLen= geomLen= 0; + if (ptrns->keymap) + mapLen= (int)strlen(ptrns->keymap); + if (ptrns->keycodes) + codesLen= (int)strlen(ptrns->keycodes); + if (ptrns->types) + typesLen= (int)strlen(ptrns->types); + if (ptrns->compat) + compatLen= (int)strlen(ptrns->compat); + if (ptrns->symbols) + symsLen= (int)strlen(ptrns->symbols); + if (ptrns->geometry) + geomLen= (int)strlen(ptrns->geometry); + if (mapLen>255) mapLen= 255; + if (codesLen>255) codesLen= 255; + if (typesLen>255) typesLen= 255; + if (compatLen>255) compatLen= 255; + if (symsLen>255) symsLen= 255; + if (geomLen>255) geomLen= 255; + + len= mapLen+codesLen+typesLen+compatLen+symsLen+geomLen+6; + len= XkbPaddedSize(len); + req->length+= len/4; + BufAlloc(char *,str,len); + *str++= mapLen; + if (mapLen>0) { + memcpy(str,ptrns->keymap,mapLen); + str+= mapLen; + } + *str++= codesLen; + if (codesLen>0) { + memcpy(str,ptrns->keycodes,codesLen); + str+= codesLen; + } + *str++= typesLen; + if (typesLen>0) { + memcpy(str,ptrns->types,typesLen); + str+= typesLen; + } + *str++= compatLen; + if (compatLen>0) { + memcpy(str,ptrns->compat,compatLen); + str+= compatLen; + } + *str++= symsLen; + if (symsLen>0) { + memcpy(str,ptrns->symbols,symsLen); + str+= symsLen; + } + *str++= geomLen; + if (geomLen>0) { + memcpy(str,ptrns->geometry,geomLen); + str+= geomLen; + } + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) + goto BAILOUT; + extraLen= (int)rep.length*4; + *max_inout= rep.extra; + if (extraLen==0) { /* no matches, but we don't want to report a failure */ + list= _XkbTypedCalloc(1,XkbComponentListRec); + UnlockDisplay(dpy); + SyncHandle(); + return list; + } + if (_XkbInitReadBuffer(dpy,&buf,extraLen)) { + Status status; + + status= Success; + list= _XkbTypedCalloc(1,XkbComponentListRec); + if (!list) { + _XkbFreeReadBuffer(&buf); + goto BAILOUT; + } + list->num_keymaps= rep.nKeymaps; + list->num_keycodes= rep.nKeycodes; + list->num_types= rep.nTypes; + list->num_compat= rep.nCompatMaps; + list->num_symbols= rep.nSymbols; + list->num_geometry= rep.nGeometries; + if ((status==Success)&&(list->num_keymaps>0)) + list->keymaps= _ReadListing(&buf,list->num_keymaps,&status); + if ((status==Success)&&(list->num_keycodes>0)) + list->keycodes= _ReadListing(&buf,list->num_keycodes,&status); + if ((status==Success)&&(list->num_types>0)) + list->types= _ReadListing(&buf,list->num_types,&status); + if ((status==Success)&&(list->num_compat>0)) + list->compat= _ReadListing(&buf,list->num_compat,&status); + if ((status==Success)&&(list->num_symbols>0)) + list->symbols= _ReadListing(&buf,list->num_symbols,&status); + if ((status==Success)&&(list->num_geometry>0)) + list->geometry= _ReadListing(&buf,list->num_geometry,&status); + left= _XkbFreeReadBuffer(&buf); + if ((status!=Success)||(buf.error)||(left>2)) { + XkbFreeComponentList(list); + goto BAILOUT; + } + UnlockDisplay(dpy); + SyncHandle(); + return list; + } +BAILOUT: + UnlockDisplay(dpy); + SyncHandle(); + return NULL; +} + +void +XkbFreeComponentList(XkbComponentListPtr list) +{ + if (list) { + if (list->keymaps) + _FreeComponentNames(list->num_keymaps,list->keymaps); + if (list->keycodes) + _FreeComponentNames(list->num_keycodes,list->keycodes); + if (list->types) + _FreeComponentNames(list->num_types,list->types); + if (list->compat) + _FreeComponentNames(list->num_compat,list->compat); + if (list->symbols) + _FreeComponentNames(list->num_symbols,list->symbols); + if (list->geometry) + _FreeComponentNames(list->num_geometry,list->geometry); + bzero((char *)list,sizeof(XkbComponentListRec)); + _XkbFree(list); + } + return; +} |