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+/* $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.
+
+*/
+/* $XFree86: xc/lib/X11/XKBBind.c,v 3.19 2003/05/27 22:26:25 tsi Exp $ */
+
+ /* the new monsters ate the old ones */
+
+#define NEED_EVENTS
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "XKBlib.h"
+#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(
+ Display *dpy
+);
+
+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
+XkbKeycodeToKeysym(Display *dpy,
+#if NeedWidePrototypes
+ unsigned int kc,
+#else
+ KeyCode kc,
+#endif
+ int group,
+ int level)
+{
+ 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
+XKeycodeToKeysym(Display *dpy,
+#if NeedWidePrototypes
+ unsigned int kc,
+#else
+ KeyCode kc,
+#endif
+ int col)
+{
+ 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
+XKeysymToKeycode(Display *dpy, KeySym ks)
+{
+ 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
+_XkbComputeModmap(Display *dpy)
+{
+register XkbDescPtr xkb;
+
+ xkb= dpy->xkb_info->desc;
+ if (XkbGetUpdatedMap(dpy,XkbModifierMapMask,xkb)==Success)
+ return 1;
+ return 0;
+}
+
+unsigned
+XkbKeysymToModifiers(Display *dpy,KeySym ks)
+{
+ 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
+XLookupKeysym(register XKeyEvent *event, int col)
+{
+ 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
+XkbTranslateKey( register Display * dpy,
+ KeyCode key,
+ register unsigned int mods,
+ unsigned int * mods_rtrn,
+ KeySym * keysym_rtrn);
+int
+XkbTranslateKey( register Display * dpy,
+ KeyCode key,
+ register unsigned int mods,
+ unsigned int * mods_rtrn,
+ KeySym * keysym_rtrn)
+{
+ return XkbLookupKeySym(dpy,key,mods,mods_rtrn,keysym_rtrn);
+}
+
+Bool
+XkbLookupKeySym( register Display * dpy,
+ KeyCode key,
+ register unsigned int mods,
+ unsigned int * mods_rtrn,
+ KeySym * keysym_rtrn)
+{
+ 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
+XkbTranslateKeyCode( register XkbDescPtr xkb,
+ KeyCode key,
+ register unsigned int mods,
+ unsigned int * mods_rtrn,
+ KeySym * keysym_rtrn)
+{
+ 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
+XkbRefreshKeyboardMapping(register XkbMapNotifyEvent *event)
+{
+ 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(changes));
+ 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
+XRefreshKeyboardMapping(register XMappingEvent *event)
+{
+ XkbEvent *xkbevent = (XkbEvent *)event;
+ Display *dpy = event->display;
+ XkbMapChangesRec changes;
+ XkbInfoPtr xkbi;
+
+ /* always do this for input methods, which still use the old keymap */
+ (void) _XRefreshKeyboardMapping(event);
+
+ if (_XkbUnavailable(dpy))
+ return 1;
+
+ 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) {
+ LockDisplay(dpy);
+ 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
+_XkbLoadDpy(Display *dpy)
+{
+ 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;
+
+ 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
+_XkbReloadDpy(Display *dpy)
+{
+ 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
+XkbTranslateKeySym( register Display * dpy,
+ register KeySym * sym_rtrn,
+ unsigned int mods,
+ char * buffer,
+ int nbytes,
+ int * extra_rtrn)
+{
+ register XkbInfoPtr xkb;
+ XkbKSToMBFunc cvtr;
+ XPointer priv;
+ char tmp[4];
+ int n;
+
+ xkb= dpy->xkb_info;
+ if (!xkb->cvt.KSToMB) {
+ _XkbGetConverters(_XkbGetCharset(),&xkb->cvt);
+ _XkbGetConverters("ISO8859-1",&xkb->latin1cvt);
+ }
+
+ if (extra_rtrn)
+ *extra_rtrn= 0;
+
+ if ((buffer==NULL)||(nbytes==0)) {
+ buffer= tmp;
+ nbytes= 4;
+ }
+
+ /* see if symbol rebound, if so, return that string. */
+ n = XkbLookupKeyBinding(dpy,*sym_rtrn,mods,buffer,nbytes,extra_rtrn);
+ if (n)
+ return n;
+
+ 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;
+ 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 ) {
+ buffer[0]= XkbToControl(buffer[0]);
+ if ( nbytes>1 )
+ buffer[1]= '\0';
+ return 1;
+ }
+ if ( nbytes > 0 )
+ buffer[0]= '\0';
+ return 0;
+ }
+ return n;
+}
+
+int
+XLookupString ( register XKeyEvent * event,
+ char * buffer,
+ int nbytes,
+ KeySym * keysym,
+ XComposeStatus * status)
+{
+ KeySym dummy;
+ int rtrnLen;
+ unsigned int new_mods;
+ Display *dpy = event->display;
+
+ if (keysym==NULL)
+ keysym= &dummy;
+ if (!XkbLookupKeySym(dpy,event->keycode,event->state, &new_mods,keysym))
+ return 0;
+ new_mods= (event->state&(~new_mods));
+
+ /* find the group where a symbol can be converted to control one */
+ if (new_mods&ControlMask && *keysym > 0x7F &&
+ (dpy->xkb_info->xlib_ctrls & XkbLC_ControlFallback)) {
+ XKeyEvent tmp_ev = *event;
+ KeySym tmp_keysym;
+ unsigned int tmp_new_mods;
+ if (_XkbUnavailable(dpy)) {
+ tmp_ev.state= event->state ^ dpy->mode_switch;
+ if (XkbLookupKeySym(dpy, tmp_ev.keycode, tmp_ev.state,
+ &tmp_new_mods, &tmp_keysym) &&
+ tmp_keysym != NoSymbol && tmp_keysym < 0x80 ) {
+ *keysym = tmp_keysym;
+ }
+ } else {
+ int n = XkbKeyNumGroups(dpy->xkb_info->desc, tmp_ev.keycode);
+ int i;
+ for (i = 0; i < n; i++) {
+ if (XkbGroupForCoreState(event->state) == i)
+ continue;
+ tmp_ev.state= XkbBuildCoreState(tmp_ev.state, i);
+ if (XkbLookupKeySym(dpy, tmp_ev.keycode, tmp_ev.state,
+ &tmp_new_mods, &tmp_keysym) &&
+ tmp_keysym != NoSymbol && tmp_keysym < 0x80 ) {
+ *keysym = tmp_keysym;
+ new_mods= (event->state&(~tmp_new_mods));
+ break;
+ }
+ }
+ }
+ }
+
+#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 (_XkbUnavailable(dpy) ||
+ (dpy->xkb_info->xlib_ctrls&XkbLC_ConsumeLookupMods)==0)
+ new_mods= event->state;
+
+ rtrnLen= XkbLookupKeyBinding(dpy,*keysym,new_mods,buffer,nbytes,NULL);
+ if (rtrnLen>0)
+ return rtrnLen;
+
+ return XkbTranslateKeySym(dpy,keysym,new_mods,buffer,nbytes,NULL);
+}
+
+
+int
+XkbLookupKeyBinding( Display * dpy,
+ register KeySym sym,
+ unsigned int mods,
+ char * buffer,
+ int nbytes,
+ int * extra_rtrn)
+{
+ 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
+XkbToControl( char ch )
+{
+ register char c = ch;
+
+ 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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 02:01:53 +0000