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-rw-r--r--nx-X11/lib/src/xkb/XKBBind.c784
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diff --git a/nx-X11/lib/src/xkb/XKBBind.c b/nx-X11/lib/src/xkb/XKBBind.c
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+++ b/nx-X11/lib/src/xkb/XKBBind.c
@@ -0,0 +1,784 @@
+/*
+
+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 */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "XKBlib.h"
+#include <nx-X11/Xlibint.h>
+#include <nx-X11/Xutil.h>
+#include <nx-X11/keysym.h>
+#include <stdio.h>
+#include <ctype.h>
+
+#include <nx-X11/extensions/XKBproto.h>
+#include "XKBlibint.h"
+
+#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);
+ 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));
+ }
+ 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 first = changes.first_key_act;
+ int last = changes.first_key_act + changes.num_key_acts - 1;
+
+ fprintf(stderr, " acts: %d..%d\n", first, last);
+ }
+ if (changes.changed & XkbKeyBehaviorsMask) {
+ int first = changes.first_key_behavior;
+ int 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 first = changes.first_key_explicit;
+ int 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;
+
+ for (i = change = 0; i < n; i++) {
+ char 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, NULL);
+ 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;
+ }
+ }
+ }
+ }
+
+ /* 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 2024-06-08 04:16:18 +0000