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+/* $Xorg: TMkey.c,v 1.4 2001/02/09 02:03:58 xorgcvs Exp $ */
+/*LINTLIBRARY*/
+
+/***********************************************************
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts,
+Copyright 1993 by Sun Microsystems, Inc. Mountain View, CA.
+
+ 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 names of Digital or Sun not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL 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.
+
+SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-
+NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE LI-
+ABLE 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.
+
+******************************************************************/
+
+/*
+
+Copyright 1987, 1988, 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/Xt/TMkey.c,v 3.10 2001/12/14 19:56:30 dawes Exp $ */
+
+#define XK_MISCELLANY
+#define XK_LATIN1
+#define XK_LATIN2
+#define XK_LATIN3
+#define XK_LATIN4
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "IntrinsicI.h"
+#include <X11/keysymdef.h>
+#ifdef XKB
+#include <X11/XKBlib.h>
+#endif
+
+#define FLUSHKEYCACHE(ctx) \
+ bzero((char *)&ctx->keycache, sizeof(TMKeyCache))
+
+/*
+ * The following array reorders the modifier bits so that the most common ones
+ * (used by a translator) are in the top-most bits with respect to the size of
+ * the keycache. The array currently just reverses the bits as a good guess.
+ * This might be more trouble than it is worth, but it seems to help.
+ */
+
+#define FM(i) i >> (8 - TMKEYCACHELOG2)
+static const unsigned char modmix[256] = {
+FM(0x0f), FM(0x8f), FM(0x4f), FM(0xcf), FM(0x2f), FM(0xaf), FM(0x6f), FM(0xef),
+FM(0x1f), FM(0x9f), FM(0x5f), FM(0xdf), FM(0x3f), FM(0xbf), FM(0x7f), FM(0xff),
+FM(0x07), FM(0x87), FM(0x47), FM(0xc7), FM(0x27), FM(0xa7), FM(0x67), FM(0xe7),
+FM(0x17), FM(0x97), FM(0x57), FM(0xd7), FM(0x37), FM(0xb7), FM(0x77), FM(0xf7),
+FM(0x0b), FM(0x8b), FM(0x4b), FM(0xcb), FM(0x2b), FM(0xab), FM(0x6b), FM(0xeb),
+FM(0x1b), FM(0x9b), FM(0x5b), FM(0xdb), FM(0x3b), FM(0xbb), FM(0x7b), FM(0xfb),
+FM(0x03), FM(0x83), FM(0x43), FM(0xc3), FM(0x23), FM(0xa3), FM(0x63), FM(0xe3),
+FM(0x13), FM(0x93), FM(0x53), FM(0xd3), FM(0x33), FM(0xb3), FM(0x73), FM(0xf3),
+FM(0x0d), FM(0x8d), FM(0x4d), FM(0xcd), FM(0x2d), FM(0xad), FM(0x6d), FM(0xed),
+FM(0x1d), FM(0x9d), FM(0x5d), FM(0xdd), FM(0x3d), FM(0xbd), FM(0x7d), FM(0xfd),
+FM(0x05), FM(0x85), FM(0x45), FM(0xc5), FM(0x25), FM(0xa5), FM(0x65), FM(0xe5),
+FM(0x15), FM(0x95), FM(0x55), FM(0xd5), FM(0x35), FM(0xb5), FM(0x75), FM(0xf5),
+FM(0x09), FM(0x89), FM(0x49), FM(0xc9), FM(0x29), FM(0xa9), FM(0x69), FM(0xe9),
+FM(0x19), FM(0x99), FM(0x59), FM(0xd9), FM(0x39), FM(0xb9), FM(0x79), FM(0xf9),
+FM(0x01), FM(0x81), FM(0x41), FM(0xc1), FM(0x21), FM(0xa1), FM(0x61), FM(0xe1),
+FM(0x11), FM(0x91), FM(0x51), FM(0xd1), FM(0x31), FM(0xb1), FM(0x71), FM(0xf1),
+FM(0x00), FM(0x8e), FM(0x4e), FM(0xce), FM(0x2e), FM(0xae), FM(0x6e), FM(0xee),
+FM(0x1e), FM(0x9e), FM(0x5e), FM(0xde), FM(0x3e), FM(0xbe), FM(0x7e), FM(0xfe),
+FM(0x08), FM(0x88), FM(0x48), FM(0xc8), FM(0x28), FM(0xa8), FM(0x68), FM(0xe8),
+FM(0x18), FM(0x98), FM(0x58), FM(0xd8), FM(0x38), FM(0xb8), FM(0x78), FM(0xf8),
+FM(0x04), FM(0x84), FM(0x44), FM(0xc4), FM(0x24), FM(0xa4), FM(0x64), FM(0xe4),
+FM(0x14), FM(0x94), FM(0x54), FM(0xd4), FM(0x34), FM(0xb4), FM(0x74), FM(0xf4),
+FM(0x0c), FM(0x8c), FM(0x4c), FM(0xcc), FM(0x2c), FM(0xac), FM(0x6c), FM(0xec),
+FM(0x1c), FM(0x9c), FM(0x5c), FM(0xdc), FM(0x3c), FM(0xbc), FM(0x7c), FM(0xfc),
+FM(0x02), FM(0x82), FM(0x42), FM(0xc2), FM(0x22), FM(0xa2), FM(0x62), FM(0xe2),
+FM(0x12), FM(0x92), FM(0x52), FM(0xd2), FM(0x32), FM(0xb2), FM(0x72), FM(0xf2),
+FM(0x0a), FM(0x8a), FM(0x4a), FM(0xca), FM(0x2a), FM(0xaa), FM(0x6a), FM(0xea),
+FM(0x1a), FM(0x9a), FM(0x5a), FM(0xda), FM(0x3a), FM(0xba), FM(0x7a), FM(0xfa),
+FM(0x06), FM(0x86), FM(0x46), FM(0xc6), FM(0x26), FM(0xa6), FM(0x66), FM(0xe6),
+FM(0x16), FM(0x96), FM(0x56), FM(0xd6), FM(0x36), FM(0xb6), FM(0x76), FM(0xf6),
+FM(0x0e), FM(0x8e), FM(0x4e), FM(0xce), FM(0x2e), FM(0xae), FM(0x6e), FM(0xee),
+FM(0x1e), FM(0x9e), FM(0x5e), FM(0xde), FM(0x3e), FM(0xbe), FM(0x7e), FM(0xfe)
+};
+#undef FM
+
+#define MOD_RETURN(ctx, key) (ctx)->keycache.modifiers_return[key]
+
+#define TRANSLATE(ctx,pd,dpy,key,mod,mod_ret,sym_ret) \
+{ \
+ int _i_ = (((key) - (pd)->min_keycode + modmix[(mod) & 0xff]) & \
+ (TMKEYCACHESIZE-1)); \
+ if ((key) != 0 && /* Xlib XIM composed input */ \
+ (ctx)->keycache.keycode[_i_] == (key) && \
+ (ctx)->keycache.modifiers[_i_] == (mod)) { \
+ mod_ret = MOD_RETURN(ctx, key); \
+ sym_ret = (ctx)->keycache.keysym[_i_]; \
+ } else { \
+ XtTranslateKeycode(dpy, key, mod, &mod_ret, &sym_ret); \
+ (ctx)->keycache.keycode[_i_] = key; \
+ (ctx)->keycache.modifiers[_i_] = (unsigned char)(mod); \
+ (ctx)->keycache.keysym[_i_] = sym_ret; \
+ MOD_RETURN(ctx, key) = (unsigned char)mod_ret; \
+ } \
+}
+
+#define UPDATE_CACHE(ctx, pd, key, mod, mod_ret, sym_ret) \
+{ \
+ int _i_ = (((key) - (pd)->min_keycode + modmix[(mod) & 0xff]) & \
+ (TMKEYCACHESIZE-1)); \
+ (ctx)->keycache.keycode[_i_] = key; \
+ (ctx)->keycache.modifiers[_i_] = (unsigned char)(mod); \
+ (ctx)->keycache.keysym[_i_] = sym_ret; \
+ MOD_RETURN(ctx, key) = (unsigned char)mod_ret; \
+}
+
+/* usual number of expected keycodes in XtKeysymToKeycodeList */
+#define KEYCODE_ARRAY_SIZE 10
+
+Boolean _XtComputeLateBindings(
+ Display *dpy,
+ LateBindingsPtr lateModifiers,
+ Modifiers *computed,
+ Modifiers *computedMask)
+{
+ int i,j,ref;
+ ModToKeysymTable* temp;
+ XtPerDisplay perDisplay;
+ Boolean found;
+ KeySym tempKeysym = NoSymbol;
+
+ perDisplay = _XtGetPerDisplay(dpy);
+ if (perDisplay == NULL) {
+ XtAppWarningMsg(XtDisplayToApplicationContext(dpy),
+ "displayError","invalidDisplay",XtCXtToolkitError,
+ "Can't find display structure",
+ (String *)NULL, (Cardinal *)NULL);
+ return FALSE;
+ }
+ _InitializeKeysymTables(dpy, perDisplay);
+ for (ref=0; lateModifiers[ref].keysym; ref++) {
+ found = FALSE;
+ for (i=0;i<8;i++) {
+ temp = &(perDisplay->modsToKeysyms[i]);
+ for (j=0;j<temp->count;j++){
+ if (perDisplay->modKeysyms[temp->idx+j] ==
+ lateModifiers[ref].keysym) {
+ *computedMask = *computedMask | temp->mask;
+ if (!lateModifiers[ref].knot)
+ *computed |= temp->mask;
+ tempKeysym = lateModifiers[ref].keysym;
+ found = TRUE; break;
+ }
+ }
+ if (found) break;
+ }
+ if (!found && !lateModifiers[ref].knot)
+ if (!lateModifiers[ref].pair && (tempKeysym == NoSymbol))
+ return FALSE;
+ /* if you didn't find the modifier and the modifier must be
+ asserted then return FALSE. If you didn't find the modifier
+ and the modifier must be off, then it is OK . Don't
+ return FALSE if this is the first member of a pair or if
+ it is the second member of a pair when the first member
+ was bound to a modifier */
+ if (!lateModifiers[ref].pair) tempKeysym = NoSymbol;
+ }
+ return TRUE;
+}
+
+void _XtAllocTMContext(
+ XtPerDisplay pd)
+{
+ TMKeyContext ctx;
+ ctx = (TMKeyContext)_XtHeapAlloc(&pd->heap,
+ sizeof(TMKeyContextRec));
+ ctx->event = NULL;
+ ctx->serial = 0;
+ ctx->keysym = NoSymbol;
+ ctx->modifiers = 0;
+ FLUSHKEYCACHE(ctx);
+ pd->tm_context = ctx;
+}
+
+static unsigned int num_bits(unsigned long mask)
+{
+ register unsigned long y;
+
+ y = (mask >> 1) &033333333333;
+ y = mask - y - ((y >>1) & 033333333333);
+ return ((unsigned int) (((y + (y >> 3)) & 030707070707) % 077));
+}
+
+Boolean _XtMatchUsingDontCareMods(
+ TMTypeMatch typeMatch,
+ TMModifierMatch modMatch,
+ TMEventPtr eventSeq)
+{
+ Modifiers modifiers_return;
+ KeySym keysym_return;
+ Modifiers useful_mods;
+ int i, num_modbits;
+ Modifiers computed = 0;
+ Modifiers computedMask = 0;
+ Boolean resolved = TRUE;
+ Display *dpy = eventSeq->xev->xany.display;
+ XtPerDisplay pd;
+ TMKeyContext tm_context;
+
+ if (modMatch->lateModifiers != NULL)
+ resolved = _XtComputeLateBindings(dpy, modMatch->lateModifiers,
+ &computed, &computedMask);
+ if (!resolved) return FALSE;
+ computed |= modMatch->modifiers;
+ computedMask |= modMatch->modifierMask; /* gives do-care mask */
+
+ if ( (computed & computedMask) ==
+ (eventSeq->event.modifiers & computedMask) ) {
+
+ pd = _XtGetPerDisplay(dpy);
+ tm_context = pd->tm_context;
+ TRANSLATE(tm_context, pd, dpy, (KeyCode)eventSeq->event.eventCode,
+ (unsigned)0, modifiers_return, keysym_return);
+
+ if ((keysym_return & typeMatch->eventCodeMask) == typeMatch->eventCode ) {
+ tm_context->event = eventSeq->xev;
+ tm_context->serial = eventSeq->xev->xany.serial;
+ tm_context->keysym = keysym_return;
+ tm_context->modifiers = (Modifiers)0;
+ return TRUE;
+ }
+ useful_mods = ~computedMask & modifiers_return;
+ if (useful_mods == 0) return FALSE;
+
+ switch (num_modbits = num_bits(useful_mods)) {
+ case 1:
+ case 8:
+ /*
+ * one modbit should never happen, in fact the implementation
+ * of XtTranslateKey and XmTranslateKey guarantee that it
+ * won't, so don't care if the loop is set up for the case
+ * when one modbit is set.
+ * The performance implications of all eight modbits being
+ * set is horrendous. This isn't a problem with Xt/Xaw based
+ * applications. We can only hope that Motif's virtual
+ * modifiers won't result in all eight modbits being set.
+ */
+ for (i = useful_mods; i > 0; i--) {
+ TRANSLATE(tm_context, pd, dpy, eventSeq->event.eventCode,
+ (Modifiers)i, modifiers_return, keysym_return);
+ if (keysym_return ==
+ (typeMatch->eventCode & typeMatch->eventCodeMask)) {
+ tm_context->event = eventSeq->xev;
+ tm_context->serial = eventSeq->xev->xany.serial;
+ tm_context->keysym = keysym_return;
+ tm_context->modifiers = (Modifiers)i;
+ return TRUE;
+ }
+ }
+ break;
+ default: /* (2..7) */
+ {
+ /*
+ * Only translate using combinations of the useful modifiers.
+ * to minimize the chance of invalidating the cache.
+ */
+ static char pows[] = { 0, 1, 3, 7, 15, 31, 63, 127 };
+ Modifiers tmod, mod_masks[8];
+ int j;
+ for (tmod = 1, i = 0; tmod <= (Mod5Mask<<1); tmod <<= 1)
+ if (tmod & useful_mods) mod_masks[i++] = tmod;
+ for (j = (int) pows[num_modbits]; j > 0; j--) {
+ tmod = 0;
+ for (i = 0; i < num_modbits; i++)
+ if (j & (1<<i)) tmod |= mod_masks[i];
+ TRANSLATE(tm_context, pd, dpy, eventSeq->event.eventCode,
+ tmod, modifiers_return, keysym_return);
+ if (keysym_return ==
+ (typeMatch->eventCode & typeMatch->eventCodeMask)) {
+ tm_context->event = eventSeq->xev;
+ tm_context->serial = eventSeq->xev->xany.serial;
+ tm_context->keysym = keysym_return;
+ tm_context->modifiers = (Modifiers)i;
+ return TRUE;
+ }
+ }
+ }
+ break;
+ } /* switch (num_modbits) */
+ }
+ return FALSE;
+}
+
+void XtConvertCase(
+ Display *dpy,
+ KeySym keysym,
+ KeySym *lower_return,
+ KeySym *upper_return)
+{
+ XtPerDisplay pd;
+ CaseConverterPtr ptr;
+ DPY_TO_APPCON(dpy);
+
+ LOCK_APP(app);
+ pd = _XtGetPerDisplay(dpy);
+
+ *lower_return = *upper_return = keysym;
+ for (ptr=pd->case_cvt; ptr; ptr = ptr->next)
+ if (ptr->start <= keysym && keysym <= ptr->stop) {
+ (*ptr->proc)(dpy, keysym, lower_return, upper_return);
+ return;
+ }
+ XConvertCase(keysym, lower_return, upper_return);
+ UNLOCK_APP(app);
+}
+
+Boolean _XtMatchUsingStandardMods (
+ TMTypeMatch typeMatch,
+ TMModifierMatch modMatch,
+ TMEventPtr eventSeq)
+{
+ Modifiers modifiers_return;
+ KeySym keysym_return;
+ Modifiers computed= 0;
+ Modifiers computedMask = 0;
+ Boolean resolved = TRUE;
+ Display *dpy = eventSeq->xev->xany.display;
+ XtPerDisplay pd = _XtGetPerDisplay(dpy);
+ TMKeyContext tm_context = pd->tm_context;
+ Modifiers translateModifiers;
+
+ /* To maximize cache utilization, we mask off nonstandard modifiers
+ before cache lookup. For a given key translator, standard modifiers
+ are constant per KeyCode. If a key translator uses no standard
+ modifiers this implementation will never reference the cache.
+ */
+
+ modifiers_return = MOD_RETURN(tm_context, eventSeq->event.eventCode);
+ if (!modifiers_return) {
+ XtTranslateKeycode(dpy, (KeyCode)eventSeq->event.eventCode,
+ eventSeq->event.modifiers, &modifiers_return,
+ &keysym_return);
+ translateModifiers = eventSeq->event.modifiers & modifiers_return;
+ UPDATE_CACHE(tm_context, pd, eventSeq->event.eventCode,
+ translateModifiers, modifiers_return, keysym_return);
+ } else {
+ translateModifiers = eventSeq->event.modifiers & modifiers_return;
+ TRANSLATE(tm_context, pd, dpy, (KeyCode)eventSeq->event.eventCode,
+ translateModifiers, modifiers_return, keysym_return);
+ }
+
+ if ((typeMatch->eventCode & typeMatch->eventCodeMask) ==
+ (keysym_return & typeMatch->eventCodeMask)) {
+ if (modMatch->lateModifiers != NULL)
+ resolved = _XtComputeLateBindings(dpy, modMatch->lateModifiers,
+ &computed, &computedMask);
+ if (!resolved) return FALSE;
+ computed |= modMatch->modifiers;
+ computedMask |= modMatch->modifierMask;
+
+ if ((computed & computedMask) ==
+ (eventSeq->event.modifiers & ~modifiers_return & computedMask)) {
+ tm_context->event = eventSeq->xev;
+ tm_context->serial = eventSeq->xev->xany.serial;
+ tm_context->keysym = keysym_return;
+ tm_context->modifiers = translateModifiers;
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+
+void _XtBuildKeysymTables(
+ Display *dpy,
+ register XtPerDisplay pd)
+{
+ ModToKeysymTable *table;
+ int maxCount,i,j,k,tempCount,idx;
+ KeySym keysym,tempKeysym;
+ XModifierKeymap* modKeymap;
+ KeyCode keycode;
+#define KeysymTableSize 16
+
+ FLUSHKEYCACHE(pd->tm_context);
+ if (pd->keysyms)
+ XFree( (char *)pd->keysyms );
+ pd->keysyms_serial = NextRequest(dpy);
+ pd->keysyms = XGetKeyboardMapping(dpy, pd->min_keycode,
+ pd->max_keycode-pd->min_keycode+1,
+ &pd->keysyms_per_keycode);
+ if (pd->modKeysyms)
+ XtFree((char *)pd->modKeysyms);
+ if (pd->modsToKeysyms)
+ XtFree((char *)pd->modsToKeysyms);
+ pd->modKeysyms = (KeySym*)__XtMalloc((Cardinal)KeysymTableSize*sizeof(KeySym));
+ maxCount = KeysymTableSize;
+ tempCount = 0;
+
+ table = (ModToKeysymTable*)__XtMalloc((Cardinal)8*sizeof(ModToKeysymTable));
+ pd->modsToKeysyms = table;
+
+ table[0].mask = ShiftMask;
+ table[1].mask = LockMask;
+ table[2].mask = ControlMask;
+ table[3].mask = Mod1Mask;
+ table[4].mask = Mod2Mask;
+ table[5].mask = Mod3Mask;
+ table[6].mask = Mod4Mask;
+ table[7].mask = Mod5Mask;
+ tempKeysym = 0;
+
+ modKeymap = XGetModifierMapping(dpy);
+ for (i=0;i<32;i++)
+ pd->isModifier[i] = 0;
+ pd->mode_switch = 0;
+ pd->num_lock = 0;
+ for (i=0;i<8;i++) {
+ table[i].idx = tempCount;
+ table[i].count = 0;
+ for (j=0;j<modKeymap->max_keypermod;j++) {
+ keycode = modKeymap->modifiermap[i*modKeymap->max_keypermod+j];
+ if (keycode != 0) {
+ pd->isModifier[keycode>>3] |= 1 << (keycode & 7);
+ for (k=0; k<pd->keysyms_per_keycode;k++) {
+ idx = ((keycode-pd->min_keycode)*
+ pd->keysyms_per_keycode)+k;
+ keysym = pd->keysyms[idx];
+ if ((keysym == XK_Mode_switch) && (i > 2))
+ pd->mode_switch |= 1 << i;
+ if ((keysym == XK_Num_Lock) && (i > 2))
+ pd->num_lock |= 1 << i;
+ if (keysym != 0 && keysym != tempKeysym ){
+ if (tempCount==maxCount) {
+ maxCount += KeysymTableSize;
+ pd->modKeysyms = (KeySym*)XtRealloc(
+ (char*)pd->modKeysyms,
+ (unsigned) (maxCount*sizeof(KeySym)) );
+ }
+ pd->modKeysyms[tempCount++] = keysym;
+ table[i].count++;
+ tempKeysym = keysym;
+ }
+ }
+ }
+ }
+ }
+ pd->lock_meaning = NoSymbol;
+ for (i = 0; i < table[1].count; i++) {
+ keysym = pd->modKeysyms[table[1].idx + i];
+ if (keysym == XK_Caps_Lock) {
+ pd->lock_meaning = XK_Caps_Lock;
+ break;
+ } else if (keysym == XK_Shift_Lock) {
+ pd->lock_meaning = XK_Shift_Lock;
+ }
+ }
+ XFreeModifiermap(modKeymap);
+}
+
+void XtTranslateKeycode (
+ Display *dpy,
+ _XtKeyCode keycode,
+ Modifiers modifiers,
+ Modifiers *modifiers_return,
+ KeySym *keysym_return)
+{
+ XtPerDisplay pd;
+ DPY_TO_APPCON(dpy);
+
+ LOCK_APP(app);
+ pd = _XtGetPerDisplay(dpy);
+ _InitializeKeysymTables(dpy, pd);
+ (*pd->defaultKeycodeTranslator)(
+ dpy,keycode,modifiers,modifiers_return,keysym_return);
+ UNLOCK_APP(app);
+}
+
+/* This code should match XTranslateKey (internal, sigh) in Xlib */
+void XtTranslateKey(
+ register Display *dpy,
+ _XtKeyCode keycode,
+ Modifiers modifiers,
+ Modifiers *modifiers_return,
+ KeySym *keysym_return)
+{
+#ifndef XKB
+ XtPerDisplay pd;
+ int per;
+ register KeySym *syms;
+ KeySym sym, lsym, usym;
+ DPY_TO_APPCON(dpy);
+
+ LOCK_APP(app);
+ pd = _XtGetPerDisplay(dpy);
+ *modifiers_return = (ShiftMask|LockMask) | pd->mode_switch | pd->num_lock;
+ if (((int)keycode < pd->min_keycode) || ((int)keycode > pd->max_keycode)) {
+ *keysym_return = NoSymbol;
+ UNLOCK_APP(app);
+ return;
+ }
+ per = pd->keysyms_per_keycode;
+ syms = &pd->keysyms[(keycode - pd->min_keycode) * per];
+ while ((per > 2) && (syms[per - 1] == NoSymbol))
+ per--;
+ if ((per > 2) && (modifiers & pd->mode_switch)) {
+ syms += 2;
+ per -= 2;
+ }
+ if ((modifiers & pd->num_lock) &&
+ (per > 1 && (IsKeypadKey(syms[1]) || IsPrivateKeypadKey(syms[1])))) {
+ if ((modifiers & ShiftMask) ||
+ ((modifiers & LockMask) && (pd->lock_meaning == XK_Shift_Lock)))
+ *keysym_return = syms[0];
+ else
+ *keysym_return = syms[1];
+ } else if (!(modifiers & ShiftMask) &&
+ (!(modifiers & LockMask) || (pd->lock_meaning == NoSymbol))) {
+ if ((per == 1) || (syms[1] == NoSymbol))
+ XtConvertCase(dpy, syms[0], keysym_return, &usym);
+ else
+ *keysym_return = syms[0];
+ } else if (!(modifiers & LockMask) ||
+ (pd->lock_meaning != XK_Caps_Lock)) {
+ if ((per == 1) || ((usym = syms[1]) == NoSymbol))
+ XtConvertCase(dpy, syms[0], &lsym, &usym);
+ *keysym_return = usym;
+ } else {
+ if ((per == 1) || ((sym = syms[1]) == NoSymbol))
+ sym = syms[0];
+ XtConvertCase(dpy, sym, &lsym, &usym);
+ if (!(modifiers & ShiftMask) && (sym != syms[0]) &&
+ ((sym != usym) || (lsym == usym)))
+ XtConvertCase(dpy, syms[0], &lsym, &usym);
+ *keysym_return = usym;
+ }
+
+ if (*keysym_return == XK_VoidSymbol)
+ *keysym_return = NoSymbol;
+ UNLOCK_APP(app);
+#else
+ XkbLookupKeySym(dpy, keycode, modifiers, modifiers_return, keysym_return);
+#endif
+}
+
+void XtSetKeyTranslator(
+ Display *dpy,
+ XtKeyProc translator)
+{
+ XtPerDisplay pd;
+ DPY_TO_APPCON(dpy);
+
+ LOCK_APP(app);
+ pd = _XtGetPerDisplay(dpy);
+
+ pd->defaultKeycodeTranslator = translator;
+ FLUSHKEYCACHE(pd->tm_context);
+ /* XXX should now redo grabs */
+ UNLOCK_APP(app);
+}
+
+void XtRegisterCaseConverter(
+ Display *dpy,
+ XtCaseProc proc,
+ KeySym start,
+ KeySym stop)
+{
+ XtPerDisplay pd;
+ CaseConverterPtr ptr, prev;
+ DPY_TO_APPCON(dpy);
+
+ LOCK_APP(app);
+ pd = _XtGetPerDisplay(dpy);
+
+ ptr = (CaseConverterPtr) __XtMalloc(sizeof(CaseConverterRec));
+ ptr->start = start;
+ ptr->stop = stop;
+ ptr->proc = proc;
+ ptr->next = pd->case_cvt;
+ pd->case_cvt = ptr;
+
+ /* Remove obsolete case converters from the list */
+ prev = ptr;
+ for (ptr=ptr->next; ptr; ptr=prev->next) {
+ if (start <= ptr->start && stop >= ptr->stop) {
+ prev->next = ptr->next;
+ XtFree((char *)ptr);
+ }
+ else prev = ptr;
+ }
+ FLUSHKEYCACHE(pd->tm_context);
+ /* XXX should now redo grabs */
+ UNLOCK_APP(app);
+}
+
+KeySym *XtGetKeysymTable(
+ Display *dpy,
+ KeyCode *min_keycode_return,
+ int *keysyms_per_keycode_return)
+{
+ XtPerDisplay pd;
+ KeySym* retval;
+ DPY_TO_APPCON(dpy);
+
+ LOCK_APP(app);
+ pd = _XtGetPerDisplay(dpy);
+ _InitializeKeysymTables(dpy, pd);
+ *min_keycode_return = pd->min_keycode; /* %%% */
+ *keysyms_per_keycode_return = pd->keysyms_per_keycode;
+ retval = pd->keysyms;
+ UNLOCK_APP(app);
+ return retval;
+}
+
+void XtKeysymToKeycodeList(
+ Display *dpy,
+ KeySym keysym,
+ KeyCode **keycodes_return,
+ Cardinal *keycount_return)
+{
+ XtPerDisplay pd;
+ unsigned keycode;
+ int per, match;
+ register KeySym *syms;
+ register int i, j;
+ KeySym lsym, usym;
+ unsigned maxcodes = 0;
+ unsigned ncodes = 0;
+ KeyCode *keycodes, *codeP = NULL;
+ DPY_TO_APPCON(dpy);
+
+ LOCK_APP(app);
+ pd = _XtGetPerDisplay(dpy);
+ _InitializeKeysymTables(dpy, pd);
+ keycodes = NULL;
+ per = pd->keysyms_per_keycode;
+ for (syms = pd->keysyms, keycode = (unsigned) pd->min_keycode;
+ (int)keycode <= pd->max_keycode;
+ syms += per, keycode++) {
+ match = 0;
+ for (j = 0; j < per; j++) {
+ if (syms[j] == keysym) {
+ match = 1;
+ break;
+ }
+ }
+ if (!match)
+ for (i = 1; i < 5; i += 2) {
+ if ((per == i) || ((per > i) && (syms[i] == NoSymbol))) {
+ XtConvertCase(dpy, syms[i-1], &lsym, &usym);
+ if ((lsym == keysym) || (usym == keysym)) {
+ match = 1;
+ break;
+ }
+ }
+ }
+ if (match) {
+ if (ncodes == maxcodes) {
+ KeyCode *old = keycodes;
+ maxcodes += KEYCODE_ARRAY_SIZE;
+ keycodes = (KeyCode*)__XtMalloc(maxcodes*sizeof(KeyCode));
+ if (ncodes) {
+ (void) memmove((char *)keycodes, (char *)old,
+ ncodes*sizeof(KeyCode) );
+ XtFree((char *)old);
+ }
+ codeP = &keycodes[ncodes];
+ }
+ *codeP++ = (KeyCode) keycode;
+ ncodes++;
+ }
+ }
+ *keycodes_return = keycodes;
+ *keycount_return = ncodes;
+ UNLOCK_APP(app);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 16:44:31 +0000