diff options
Diffstat (limited to 'src/xkb/XKBBind.c')
-rw-r--r-- | src/xkb/XKBBind.c | 963 |
1 files changed, 963 insertions, 0 deletions
diff --git a/src/xkb/XKBBind.c b/src/xkb/XKBBind.c new file mode 100644 index 00000000..4c6334a7 --- /dev/null +++ b/src/xkb/XKBBind.c @@ -0,0 +1,963 @@ +/* $Xorg: XKBBind.c,v 1.4 2001/02/09 02:03:37 xorgcvs Exp $ */ +/* + +Copyright 1985, 1987, 1994, 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. + +*/ + /* the new monsters ate the old ones */ + +#define NEED_EVENTS +#include <X11/Xlibint.h> +#include <X11/Xutil.h> +#include <X11/keysym.h> +#include <stdio.h> +#include <ctype.h> + +#include <X11/extensions/XKBproto.h> +#include "XKBlibint.h" + +#ifdef USE_OWN_COMPOSE +#define COMPOSE_NO_CONST_MEMBERS +#include "imComp.h" +#endif + +#define AllMods (ShiftMask|LockMask|ControlMask| \ + Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask) + +static int _XkbLoadDpy( +#if NeedFunctionPrototypes + Display *dpy +#endif +); + +struct _XKeytrans { + struct _XKeytrans *next;/* next on list */ + char *string; /* string to return when the time comes */ + int len; /* length of string (since NULL is legit)*/ + KeySym key; /* keysym rebound */ + unsigned int state; /* modifier state */ + KeySym *modifiers; /* modifier keysyms you want */ + int mlen; /* length of modifier list */ +}; + +KeySym +#if NeedFunctionPrototypes +XkbKeycodeToKeysym(Display *dpy, +#if NeedWidePrototypes + unsigned int kc, +#else + KeyCode kc, +#endif + int group, + int level) +#else +XkbKeycodeToKeysym(dpy, kc, group, level) + Display *dpy; + KeyCode kc; + int group; + int level; +#endif +{ + XkbDescRec *xkb; + + if (_XkbUnavailable(dpy)) + return NoSymbol; + + _XkbCheckPendingRefresh(dpy,dpy->xkb_info); + + xkb = dpy->xkb_info->desc; + if ((kc<xkb->min_key_code)||(kc>xkb->max_key_code)) + return NoSymbol; + + if ((group<0)||(level<0)||(group>=XkbKeyNumGroups(xkb,kc))) + return NoSymbol; + if (level>=XkbKeyGroupWidth(xkb,kc,group)) { + /* for compatibility with the core protocol, _always_ allow */ + /* two symbols in the first two groups. If either of the */ + /* two is of type ONE_LEVEL, just replicate the first symbol */ + if ((group>XkbGroup2Index)||(XkbKeyGroupWidth(xkb,kc,group)!=1)|| + (level!=1)) { + return NoSymbol; + } + level= 0; + } + return XkbKeySymEntry(xkb,kc,level,group); +} + +KeySym +#if NeedFunctionPrototypes +XKeycodeToKeysym(Display *dpy, +#if NeedWidePrototypes + unsigned int kc, +#else + KeyCode kc, +#endif + int col) +#else +XKeycodeToKeysym(dpy, kc, col) + Display *dpy; + KeyCode kc; + int col; +#endif +{ + XkbDescRec *xkb; + + if (_XkbUnavailable(dpy)) + return _XKeycodeToKeysym(dpy, kc, col); + + _XkbCheckPendingRefresh(dpy,dpy->xkb_info); + + xkb = dpy->xkb_info->desc; + if ((kc<xkb->min_key_code)||(kc>xkb->max_key_code)) + return NoSymbol; + + if (col>3) { + int lastSym,tmp,nGrp; + + lastSym= 3; + nGrp= XkbKeyNumGroups(xkb,kc); + if ((nGrp>0)&&((tmp=XkbKeyGroupWidth(xkb,kc,XkbGroup1Index))>2)) { + if (col<=(lastSym+tmp-2)) + return XkbKeycodeToKeysym(dpy,kc,XkbGroup1Index,col-lastSym+2); + lastSym+= tmp-2; + } + if ((nGrp>1)&&((tmp=XkbKeyGroupWidth(xkb,kc,XkbGroup2Index))>2)) { + if (col<=(lastSym+tmp-2)) + return XkbKeycodeToKeysym(dpy,kc,XkbGroup2Index,col-lastSym+2); + lastSym+= tmp-2; + } + if (nGrp>2) { + tmp= XkbKeyGroupWidth(xkb,kc,XkbGroup3Index); + if (col<=lastSym+tmp) + return XkbKeycodeToKeysym(dpy,kc,XkbGroup3Index,col-lastSym); + lastSym+= tmp; + } + if (nGrp>3) { + tmp= XkbKeyGroupWidth(xkb,kc,XkbGroup4Index); + if (col<=lastSym+tmp) + return XkbKeycodeToKeysym(dpy,kc,XkbGroup4Index,col-lastSym); + } + return NoSymbol; + } + return XkbKeycodeToKeysym(dpy,kc,(col>>1),(col&1)); +} + +KeyCode +#if NeedFunctionPrototypes +XKeysymToKeycode(Display *dpy, KeySym ks) +#else +XKeysymToKeycode(dpy, ks) + Display *dpy; + KeySym ks; +#endif +{ + register int i, j, gotOne; + + if (_XkbUnavailable(dpy)) + return _XKeysymToKeycode(dpy,ks); + _XkbCheckPendingRefresh(dpy,dpy->xkb_info); + + j= 0; + do { + register XkbDescRec *xkb = dpy->xkb_info->desc; + gotOne= 0; + for (i = dpy->min_keycode; i <= dpy->max_keycode; i++) { + if ( j<(int)XkbKeyNumSyms(xkb,i) ) { + gotOne = 1; + if ((XkbKeySym(xkb,i,j)==ks)) + return i; + } + } + j++; + } while (gotOne); + return 0; +} + +static int +#if NeedFunctionPrototypes +_XkbComputeModmap(Display *dpy) +#else +_XkbComputeModmap(dpy) + Display *dpy; +#endif +{ +register XkbDescPtr xkb; + + xkb= dpy->xkb_info->desc; + if (XkbGetUpdatedMap(dpy,XkbModifierMapMask,xkb)==Success) + return 1; + return 0; +} + +unsigned +#if NeedFunctionPrototypes +XkbKeysymToModifiers(Display *dpy,KeySym ks) +#else +XkbKeysymToModifiers(dpy,ks) + Display *dpy; + KeySym ks; +#endif +{ + XkbDescRec *xkb; + register int i,j; + register KeySym *pSyms; + CARD8 mods; + + if (_XkbUnavailable(dpy)) + return _XKeysymToModifiers(dpy,ks); + _XkbCheckPendingRefresh(dpy,dpy->xkb_info); + + if (_XkbNeedModmap(dpy->xkb_info)&&(!_XkbComputeModmap(dpy))) + return _XKeysymToModifiers(dpy,ks); + + xkb= dpy->xkb_info->desc; + mods= 0; + for (i = xkb->min_key_code; i <= (int)xkb->max_key_code; i++) { + pSyms= XkbKeySymsPtr(xkb,i); + for (j=XkbKeyNumSyms(xkb,i)-1;j>=0;j--) { + if (pSyms[j]==ks) { + mods|= xkb->map->modmap[i]; + break; + } + } + } + return mods; +} + +KeySym +#if NeedFunctionPrototypes +XLookupKeysym(register XKeyEvent *event, int col) +#else +XLookupKeysym(event, col) + register XKeyEvent *event; + int col; +#endif +{ + Display *dpy = event->display; + if (_XkbUnavailable(dpy)) + return _XLookupKeysym(event, col); + _XkbCheckPendingRefresh(dpy,dpy->xkb_info); + return XKeycodeToKeysym(dpy, event->keycode, col); +} + + /* + * Not a public entry point -- XkbTranslateKey is an obsolete name + * that is preserved here so that functions linked against the old + * version will continue to work in a shared library environment. + */ +int +#if NeedFunctionPrototypes +XkbTranslateKey( register Display * dpy, + KeyCode key, + register unsigned int mods, + unsigned int * mods_rtrn, + KeySym * keysym_rtrn) +#else +XkbTranslateKey(dpy, key, mods, mods_rtrn, keysym_rtrn) + register Display *dpy; + KeyCode key; + register unsigned int mods; + unsigned int *mods_rtrn; + KeySym *keysym_rtrn; +#endif +{ + return XkbLookupKeySym(dpy,key,mods,mods_rtrn,keysym_rtrn); +} + +Bool +#if NeedFunctionPrototypes +XkbLookupKeySym( register Display * dpy, + KeyCode key, + register unsigned int mods, + unsigned int * mods_rtrn, + KeySym * keysym_rtrn) +#else +XkbLookupKeySym(dpy, key, mods, mods_rtrn, keysym_rtrn) + register Display *dpy; + KeyCode key; + register unsigned int mods; + unsigned int *mods_rtrn; + KeySym *keysym_rtrn; +#endif +{ + if (_XkbUnavailable(dpy)) + return _XTranslateKey(dpy, key, mods, mods_rtrn, keysym_rtrn); + _XkbCheckPendingRefresh(dpy,dpy->xkb_info); + return XkbTranslateKeyCode(dpy->xkb_info->desc,key,mods,mods_rtrn, + keysym_rtrn); +} + +Bool +#if NeedFunctionPrototypes +XkbTranslateKeyCode( register XkbDescPtr xkb, + KeyCode key, + register unsigned int mods, + unsigned int * mods_rtrn, + KeySym * keysym_rtrn) +#else +XkbTranslateKeyCode(xkb, key, mods, mods_rtrn, keysym_rtrn) + register XkbDescPtr xkb; + KeyCode key; + register unsigned int mods; + unsigned int *mods_rtrn; + KeySym *keysym_rtrn; +#endif +{ + XkbKeyTypeRec *type; + int col,nKeyGroups; + unsigned preserve,effectiveGroup; + KeySym *syms; + + if (mods_rtrn!=NULL) + *mods_rtrn = 0; + + nKeyGroups= XkbKeyNumGroups(xkb,key); + if ((!XkbKeycodeInRange(xkb,key))||(nKeyGroups==0)) { + if (keysym_rtrn!=NULL) + *keysym_rtrn = NoSymbol; + return False; + } + + syms = XkbKeySymsPtr(xkb,key); + + /* find the offset of the effective group */ + col = 0; + effectiveGroup= XkbGroupForCoreState(mods); + if ( effectiveGroup>=nKeyGroups ) { + unsigned groupInfo= XkbKeyGroupInfo(xkb,key); + switch (XkbOutOfRangeGroupAction(groupInfo)) { + default: + effectiveGroup %= nKeyGroups; + break; + case XkbClampIntoRange: + effectiveGroup = nKeyGroups-1; + break; + case XkbRedirectIntoRange: + effectiveGroup = XkbOutOfRangeGroupNumber(groupInfo); + if (effectiveGroup>=nKeyGroups) + effectiveGroup= 0; + break; + } + } + col= effectiveGroup*XkbKeyGroupsWidth(xkb,key); + type = XkbKeyKeyType(xkb,key,effectiveGroup); + + preserve= 0; + if (type->map) { /* find the column (shift level) within the group */ + register int i; + register XkbKTMapEntryPtr entry; + for (i=0,entry=type->map;i<type->map_count;i++,entry++) { + if ((entry->active)&&((mods&type->mods.mask)==entry->mods.mask)) { + col+= entry->level; + if (type->preserve) + preserve= type->preserve[i].mask; + break; + } + } + } + + if (keysym_rtrn!=NULL) + *keysym_rtrn= syms[col]; + if (mods_rtrn) { + *mods_rtrn= type->mods.mask&(~preserve); + /* The Motif VTS doesn't get the help callback called if help + * is bound to Shift+<whatever>, and it appears as though it + * is XkbTranslateKeyCode that is causing the problem. The + * core X version of XTranslateKey always OR's in ShiftMask + * and LockMask for mods_rtrn, so this "fix" keeps this behavior + * and solves the VTS problem. + */ + if ((xkb->dpy)&&(xkb->dpy->xkb_info)&& + (xkb->dpy->xkb_info->xlib_ctrls&XkbLC_AlwaysConsumeShiftAndLock)) { + *mods_rtrn|= (ShiftMask|LockMask); + } + } + return (syms[col]!=NoSymbol); +} + +Status +#if NeedFunctionPrototypes +XkbRefreshKeyboardMapping(register XkbMapNotifyEvent *event) +#else +XkbRefreshKeyboardMapping(event) + register XkbMapNotifyEvent *event; +#endif +{ + Display *dpy = event->display; + XkbInfoPtr xkbi; + + if (_XkbUnavailable(dpy)) { + _XRefreshKeyboardMapping((XMappingEvent *)event); + return Success; + } + xkbi= dpy->xkb_info; + + if (((event->type&0x7f)-xkbi->codes->first_event)!=XkbEventCode) + return BadMatch; + if (event->xkb_type==XkbNewKeyboardNotify) { + _XkbReloadDpy(dpy); + return Success; + } + if (event->xkb_type==XkbMapNotify) { + XkbMapChangesRec changes; + Status rtrn; + + if (xkbi->flags&XkbMapPending) + changes= xkbi->changes; + else bzero(&changes,sizeof(XkbChangesRec)); + XkbNoteMapChanges(&changes,event,XKB_XLIB_MAP_MASK); + LockDisplay(dpy); + if ((rtrn=XkbGetMapChanges(dpy,xkbi->desc,&changes))!=Success) { +#ifdef DEBUG + fprintf(stderr,"Internal Error! XkbGetMapChanges failed:\n"); +#endif + xkbi->changes= changes; + } + else if (xkbi->flags&XkbMapPending) { + xkbi->flags&= ~XkbMapPending; + bzero(&xkbi->changes,sizeof(XkbMapChangesRec)); + } + UnlockDisplay(dpy); + return rtrn; + } + return BadMatch; +} + +int +#if NeedFunctionPrototypes +XRefreshKeyboardMapping(register XMappingEvent *event) +#else +XRefreshKeyboardMapping(event) + register XMappingEvent *event; +#endif +{ + XkbEvent *xkbevent = (XkbEvent *)event; + Display *dpy = event->display; + XkbMapChangesRec changes; + XkbInfoPtr xkbi; + + if (_XkbUnavailable(dpy)) + return _XRefreshKeyboardMapping(event); + + xkbi = dpy->xkb_info; + + if (((event->type&0x7f)-xkbi->codes->first_event)==XkbEventCode) + return XkbRefreshKeyboardMapping(&xkbevent->map); + + if (xkbi->flags&XkbXlibNewKeyboard) { + _XkbReloadDpy(dpy); + return 1; + } + + if ((xkbi->flags&XkbMapPending)||(event->request==MappingKeyboard)) { + if (xkbi->flags&XkbMapPending) { + changes= xkbi->changes; + _XkbNoteCoreMapChanges(&changes,event,XKB_XLIB_MAP_MASK); + } + else { + bzero(&changes,sizeof(changes)); + changes.changed= XkbKeySymsMask; + if (xkbi->desc->min_key_code<xkbi->desc->max_key_code) { + changes.first_key_sym= xkbi->desc->min_key_code; + changes.num_key_syms= xkbi->desc->max_key_code- + xkbi->desc->min_key_code+1; + } + else { + changes.first_key_sym= event->first_keycode; + changes.num_key_syms= event->count; + } + } + + if (XkbGetMapChanges(dpy,xkbi->desc, &changes)!=Success) { +#ifdef DEBUG + fprintf(stderr,"Internal Error! XkbGetMapChanges failed:\n"); + if (changes.changed&XkbKeyTypesMask) { + int first= changes.first_type; + int last= changes.first_type+changes.num_types-1; + fprintf(stderr," types: %d..%d\n",first,last); + } + if (changes.changed&XkbKeySymsMask) { + int first= changes.first_key_sym; + int last= changes.first_key_sym+changes.num_key_syms-1; + fprintf(stderr," symbols: %d..%d\n",first,last); + } + if (changes.changed&XkbKeyActionsMask) { + int last,first= changes.first_key_act; + last= changes.first_key_act+changes.num_key_acts-1; + fprintf(stderr," acts: %d..%d\n",first,last); + } + if (changes.changed&XkbKeyBehaviorsMask) { + int last,first= changes.first_key_behavior; + last= first+changes.num_key_behaviors-1; + fprintf(stderr," behaviors: %d..%d\n",first,last); + } + if (changes.changed&XkbVirtualModsMask) { + fprintf(stderr,"virtual mods: 0x%04x\n", + changes.vmods); + } + if (changes.changed&XkbExplicitComponentsMask) { + int last,first= changes.first_key_explicit; + last= first+changes.num_key_explicit-1; + fprintf(stderr," explicit: %d..%d\n",first,last); + } +#endif + } + LockDisplay(dpy); + if (xkbi->flags&XkbMapPending) { + xkbi->flags&= ~XkbMapPending; + bzero(&xkbi->changes,sizeof(XkbMapChangesRec)); + } + UnlockDisplay(dpy); + } + if (event->request==MappingModifier) { + if (xkbi->desc->map->modmap) { + _XkbFree(xkbi->desc->map->modmap); + xkbi->desc->map->modmap= NULL; + } + if (dpy->key_bindings) { + register struct _XKeytrans *p; + for (p = dpy->key_bindings; p; p = p->next) { + register int i; + p->state= 0; + if (p->mlen>0) { + for (i = 0; i < p->mlen; i++) { + p->state|= XkbKeysymToModifiers(dpy,p->modifiers[i]); + } + if (p->state) p->state &= AllMods; + else p->state = AnyModifier; + } + } + } + UnlockDisplay(dpy); + } + return 1; +} + +static int +#if NeedFunctionPrototypes +_XkbLoadDpy(Display *dpy) +#else +_XkbLoadDpy(dpy) + Display *dpy; +#endif +{ + XkbInfoPtr xkbi; + unsigned query,oldEvents; + XkbDescRec *desc; + + if (!XkbUseExtension(dpy,NULL,NULL)) + return 0; + + xkbi = dpy->xkb_info; + query = XkbAllClientInfoMask; + desc = XkbGetMap(dpy,query,XkbUseCoreKbd); + if (!desc) { +#ifdef DEBUG + fprintf(stderr,"Warning! XkbGetMap failed!\n"); +#endif + return 0; + } + LockDisplay(dpy); + xkbi->desc = desc; + + _XkbGetConverters(_XkbGetCharset(),&xkbi->cvt); + _XkbGetConverters("ISO8859-1",&xkbi->latin1cvt); + UnlockDisplay(dpy); + oldEvents= xkbi->selected_events; + if (!(xkbi->xlib_ctrls&XkbLC_IgnoreNewKeyboards)) { + XkbSelectEventDetails(dpy,xkbi->desc->device_spec,XkbNewKeyboardNotify, + XkbNKN_KeycodesMask|XkbNKN_DeviceIDMask, + XkbNKN_KeycodesMask|XkbNKN_DeviceIDMask); + } + XkbSelectEventDetails(dpy,xkbi->desc->device_spec,XkbMapNotify, + XkbAllClientInfoMask,XkbAllClientInfoMask); + LockDisplay(dpy); + xkbi->selected_events= oldEvents; + UnlockDisplay(dpy); + return 1; +} + +void +#if NeedFunctionPrototypes +_XkbReloadDpy(Display *dpy) +#else +_XkbReloadDpy(dpy) + Display *dpy; +#endif +{ + XkbInfoPtr xkbi; + XkbDescRec *desc; + unsigned oldDeviceID; + + if (_XkbUnavailable(dpy)) + return; + + xkbi = dpy->xkb_info; + LockDisplay(dpy); + if (xkbi->desc) { + oldDeviceID= xkbi->desc->device_spec; + XkbFreeKeyboard(xkbi->desc,XkbAllComponentsMask,True); + xkbi->desc= NULL; + xkbi->flags&= ~(XkbMapPending|XkbXlibNewKeyboard); + xkbi->changes.changed= 0; + } + else oldDeviceID= XkbUseCoreKbd; + UnlockDisplay(dpy); + desc = XkbGetMap(dpy,XkbAllClientInfoMask,XkbUseCoreKbd); + if (!desc) + return; + LockDisplay(dpy); + xkbi->desc = desc; + UnlockDisplay(dpy); + + if (desc->device_spec!=oldDeviceID) { + /* transfer(?) event masks here */ +#ifdef NOTYET + unsigned oldEvents; + oldEvents= xkbi->selected_events; + XkbSelectEventDetails(dpy,xkbi->desc->device_spec,XkbMapNotify, + XkbAllMapComponentsMask,XkbAllClientInfoMask); + LockDisplay(dpy); + xkbi->selected_events= oldEvents; + UnlockDisplay(dpy); +#endif + } + return; +} + +int +#if NeedFunctionPrototypes +XkbTranslateKeySym( register Display * dpy, + register KeySym * sym_rtrn, + unsigned int mods, + char * buffer, + int nbytes, + int * extra_rtrn) +#else +XkbTranslateKeySym(dpy, sym_rtrn, mods, buffer, nbytes, extra_rtrn) + register Display *dpy; + register KeySym *sym_rtrn; + unsigned int mods; + char *buffer; + int nbytes; + int *extra_rtrn; +#endif +{ + register XkbInfoPtr xkb; + XkbKSToMBFunc cvtr; + XPointer priv; + char tmp[4]; + register struct _XKeytrans *p; + int n; + + if (extra_rtrn) + *extra_rtrn= 0; + + if (_XkbUnavailable(dpy)) + return _XTranslateKeySym(dpy, *sym_rtrn, mods, buffer, nbytes); + _XkbCheckPendingRefresh(dpy,dpy->xkb_info); + + xkb= dpy->xkb_info; + if ((buffer==NULL)||(nbytes==0)) { + buffer= tmp; + nbytes= 4; + } + + /* see if symbol rebound, if so, return that string. */ + for (p = dpy->key_bindings; p; p = p->next) { + if (((mods & AllMods) == p->state) && (*sym_rtrn == p->key)) { + int tmp = p->len; + if (tmp > nbytes) { + if (extra_rtrn) + *extra_rtrn= tmp-nbytes; + tmp = nbytes; + } + memcpy (buffer, p->string, tmp); + return tmp; + } + } + + if ( nbytes>0 ) + buffer[0]= '\0'; + + if ( xkb->cvt.KSToUpper && (mods&LockMask) ) { + *sym_rtrn = (*xkb->cvt.KSToUpper)(*sym_rtrn); + } + if (xkb->xlib_ctrls & XkbLC_ForceLatin1Lookup) { + cvtr = xkb->latin1cvt.KSToMB; + priv = xkb->latin1cvt.KSToMBPriv; + } else { + cvtr = xkb->cvt.KSToMB; + priv = xkb->cvt.KSToMBPriv; + } + + n = (*cvtr)(priv,*sym_rtrn,buffer,nbytes,extra_rtrn); + + if ((!xkb->cvt.KSToUpper)&&( mods&LockMask )) { + register int i; + + if (!xkb->cvt.KSToUpper) { + int change; + char ch; + for (i=change=0;i<n;i++) { + ch= toupper(buffer[i]); + change= (change||(buffer[i]!=ch)); + buffer[i] = ch; + } + if (change) { + if (n==1) + *sym_rtrn=(*xkb->cvt.MBToKS)(xkb->cvt.MBToKSPriv, + buffer,n,0); + else *sym_rtrn= NoSymbol; + } + } + } + + if ( mods&ControlMask ) { + if ( n==1 ) { + register char c = buffer[0]; + + if ((c >= '@' && c < '\177') || c == ' ') c &= 0x1F; + else if (c == '2') c = '\000'; + else if (c >= '3' && c <= '7') c -= ('3' - '\033'); + else if (c == '8') c = '\177'; + else if (c == '/') c = '_' & 0x1F; + + buffer[0]= c; + if ( nbytes>1 ) + buffer[1]= '\0'; + return 1; + } + if ( nbytes > 0 ) + buffer[0]= '\0'; + return 0; + } + return n; +} + +int +#if NeedFunctionPrototypes +XLookupString ( register XKeyEvent * event, + char * buffer, + int nbytes, + KeySym * keysym, + XComposeStatus * status) +#else +XLookupString (event, buffer, nbytes, keysym, status) + register XKeyEvent *event; + char *buffer; /* buffer */ + int nbytes; /* space in buffer for characters */ + KeySym *keysym; + XComposeStatus *status; +#endif +{ + KeySym dummy; + int rtrnLen; + unsigned int new_mods; + Display *dpy = event->display; + XkbDescPtr xkb; + + if (_XkbUnavailable(dpy)) + return _XLookupString(event, buffer, nbytes, keysym, status); + _XkbCheckPendingRefresh(dpy,dpy->xkb_info); + + if (keysym==NULL) + keysym= &dummy; + xkb= dpy->xkb_info->desc; + if (!XkbTranslateKeyCode(xkb,event->keycode,event->state, &new_mods,keysym)) + return 0; + new_mods= (event->state&(~new_mods)); + +#ifdef USE_OWN_COMPOSE + if ( status ) { + static int been_here= 0; + if ( !been_here ) { + XimCompInitTables(); + been_here = 1; + } + if ( !XimCompLegalStatus(status) ) { + status->compose_ptr = NULL; + status->chars_matched = 0; + } + if ( ((status->chars_matched>0)&&(status->compose_ptr!=NULL)) || + XimCompIsComposeKey(*keysym,event->keycode,status) ) { + XimCompRtrn rtrn; + + switch (XimCompProcessSym(status,*keysym,&rtrn)) { + case XIM_COMP_IGNORE: + break; + case XIM_COMP_IN_PROGRESS: + if ( keysym!=NULL ) + *keysym = NoSymbol; +#ifndef NO_COMPOSE_LED + if ( dpy->xkb_info->xlib_ctrls&XkbLC_ComposeLED ) { + XkbSetNamedIndicator(dpy,dpy->xkb_info->composeLED, + True,True,False,NULL); + } +#endif + return 0; + case XIM_COMP_FAIL: + { + static Atom _ComposeFail= None; + int n = 0, len= 0; +#ifndef NO_COMPOSE_LED + if ( dpy->xkb_info->xlib_ctrls&XkbLC_ComposeLED ) { + XkbSetNamedIndicator(dpy,dpy->xkb_info->composeLED, + True,False,False,NULL); + } +#endif +#ifndef NO_BELL_ON_COMPOSE_FAIL + if (dpy->xkb_info->xlib_ctrls&XkbLC_BeepOnComposeFail) { + if (_ComposeFail==None) + _ComposeFail= XInternAtom(dpy,"ComposeFail",0); + XkbBell(dpy,event->window,0,_ComposeFail); + } +#endif + for (n=len=0;rtrn.sym[n]!=XK_VoidSymbol;n++) { + if ( nbytes-len > 0 ) { + len+= XkbTranslateKeySym(dpy,&rtrn.sym[n],new_mods, + buffer+len,nbytes-len, + NULL); + } + } + if ( keysym!=NULL ) { + if ( n==1 ) *keysym = rtrn.sym[0]; + else *keysym = NoSymbol; + } + return len; + } + case XIM_COMP_SUCCEED: + { + int len,n = 0; + +#ifndef NO_COMPOSE_LED + if ( dpy->xkb_info->xlib_ctrls&XkbLC_ComposeLED ) { + XkbSetNamedIndicator(dpy,dpy->xkb_info->composeLED, + True,False,False,NULL); + } +#endif + *keysym = rtrn.matchSym; + if ( rtrn.str[0]!='\0' ) { + strncpy(buffer,rtrn.str,nbytes-1); + buffer[nbytes-1]= '\0'; + len = (int)strlen(buffer); + } + else { + len = XkbTranslateKeySym(dpy,keysym,new_mods, + buffer,nbytes, + NULL); + } + for (n=0;rtrn.sym[n]!=XK_VoidSymbol;n++) { + if ( nbytes-len > 0 ) { + len+= XkbTranslateKeySym(dpy,&rtrn.sym[n], + event->state, + buffer+len,nbytes-len, + NULL); + } + } + return len; + } + } + } + } +#endif + + /* We *should* use the new_mods (which does not contain any modifiers */ + /* that were used to compute the symbol here, but pre-XKB XLookupString */ + /* did not and we have to remain compatible. Sigh. */ + if ((dpy->xkb_info->flags&XkbLC_ConsumeLookupMods)==0) + new_mods= event->state; + + rtrnLen= XkbLookupKeyBinding(dpy,*keysym,new_mods,buffer,nbytes,NULL); + if (rtrnLen>0) + return rtrnLen; + + rtrnLen = XkbTranslateKeySym(dpy,keysym,new_mods,buffer,nbytes,NULL); + if ((event->state&ControlMask)&&(nbytes>0)&& + ((rtrnLen==0)||((rtrnLen==1)&&(buffer[0]>=' ')))&& + (XkbGroupForCoreState(event->state)!=XkbGroup1Index)&& + (dpy->xkb_info->xlib_ctrls&XkbLC_ControlFallback)) { + XKeyEvent tmp_ev; + tmp_ev= *event; + tmp_ev.state= XkbBuildCoreState(event->state,XkbGroup1Index); + return XLookupString (&tmp_ev, buffer, nbytes, keysym, status); + } + return rtrnLen; +} + + +int +#if NeedFunctionPrototypes +XkbLookupKeyBinding( Display * dpy, + register KeySym sym, + unsigned int mods, + char * buffer, + int nbytes, + int * extra_rtrn) +#else +XkbLookupKeyBinding(dpy, sym, mods, buffer, nbytes, extra_rtrn) + Display *dpy; + register KeySym sym; + unsigned int mods; + char *buffer; + int nbytes; + int * extra_rtrn; +#endif +{ + register struct _XKeytrans *p; + + if (extra_rtrn) + *extra_rtrn= 0; + for (p = dpy->key_bindings; p; p = p->next) { + if (((mods & AllMods) == p->state) && (sym == p->key)) { + int tmp = p->len; + if (tmp > nbytes) { + if (extra_rtrn) + *extra_rtrn= (tmp-nbytes); + tmp = nbytes; + } + memcpy (buffer, p->string, tmp); + if (tmp < nbytes) buffer[tmp]= '\0'; + return tmp; + } + } + return 0; +} + +char +#if NeedFunctionPrototypes +XkbToControl( char c ) +#else +XkbToControl( c ) + char c; +#endif +{ + if ((c >= '@' && c < '\177') || c == ' ') c &= 0x1F; + else if (c == '2') c = '\000'; + else if (c >= '3' && c <= '7') c -= ('3' - '\033'); + else if (c == '8') c = '\177'; + else if (c == '/') c = '_' & 0x1F; + return c; +} |