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/************************************************************
Copyright (c) 1994 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.
********************************************************/
#define DEBUG_VAR_NOT_LOCAL
#define DEBUG_VAR debugFlags
#include <stdio.h>
#include "xkbcomp.h"
#include "tokens.h"
#include "expr.h"
#include "misc.h"
#include <X11/extensions/XKB.h>
#include <X11/extensions/XKBstr.h>
#include "vmod.h"
void
InitVModInfo(VModInfo * info, XkbDescPtr xkb)
{
ClearVModInfo(info, xkb);
info->errorCount = 0;
return;
}
void
ClearVModInfo(VModInfo * info, XkbDescPtr xkb)
{
register int i;
if (XkbAllocNames(xkb, XkbVirtualModNamesMask, 0, 0) != Success)
return;
if (XkbAllocServerMap(xkb, XkbVirtualModsMask, 0) != Success)
return;
info->xkb = xkb;
info->newlyDefined = info->defined = info->available = 0;
if (xkb && xkb->names)
{
register int bit;
for (i = 0, bit = 1; i < XkbNumVirtualMods; i++, bit <<= 1)
{
if (xkb->names->vmods[i] != None)
info->defined |= bit;
}
}
return;
}
/***====================================================================***/
Bool
HandleVModDef(VModDef * stmt, unsigned mergeMode, VModInfo * info)
{
register int i, bit, nextFree;
ExprResult mod;
XkbServerMapPtr srv;
XkbNamesPtr names;
Atom stmtName;
srv = info->xkb->server;
names = info->xkb->names;
stmtName =
XkbInternAtom(info->xkb->dpy, XkbAtomGetString(NULL, stmt->name),
False);
for (i = 0, bit = 1, nextFree = -1; i < XkbNumVirtualMods; i++, bit <<= 1)
{
if (info->defined & bit)
{
if (names->vmods[i] == stmtName)
{ /* already defined */
info->available |= bit;
if (stmt->value == NULL)
return True;
else
{
char *str1;
const char *str2 = "";
if (!ExprResolveModMask(stmt->value, &mod, NULL, NULL))
{
str1 = XkbAtomText(NULL, stmt->name, XkbMessage);
ACTION1("Declaration of %s ignored\n", str1);
return False;
}
if (mod.uval == srv->vmods[i])
return True;
str1 = XkbAtomText(NULL, stmt->name, XkbMessage);
WARN1("Virtual modifier %s multiply defined\n", str1);
str1 = XkbModMaskText(srv->vmods[i], XkbCFile);
if (mergeMode == MergeOverride)
{
str2 = str1;
str1 = XkbModMaskText(mod.uval, XkbCFile);
}
ACTION2("Using %s, ignoring %s\n", str1, str2);
if (mergeMode == MergeOverride)
srv->vmods[i] = mod.uval;
return True;
}
}
}
else if (nextFree < 0)
nextFree = i;
}
if (nextFree < 0)
{
ERROR1("Too many virtual modifiers defined (maximum %d)\n",
XkbNumVirtualMods);
ACTION("Exiting\n");
return False;
}
info->defined |= (1 << nextFree);
info->newlyDefined |= (1 << nextFree);
info->available |= (1 << nextFree);
names->vmods[nextFree] = stmtName;
if (stmt->value == NULL)
return True;
if (ExprResolveModMask(stmt->value, &mod, NULL, NULL))
{
srv->vmods[nextFree] = mod.uval;
return True;
}
ACTION1("Declaration of %s ignored\n",
XkbAtomText(NULL, stmt->name, XkbMessage));
return False;
}
int
LookupVModIndex(XPointer priv,
Atom elem, Atom field, unsigned type, ExprResult * val_rtrn)
{
register int i;
register char *fieldStr;
register char *modStr;
XkbDescPtr xkb;
xkb = (XkbDescPtr) priv;
if ((xkb == NULL) || (xkb->names == NULL) || (elem != None)
|| (type != TypeInt))
{
return False;
}
fieldStr = XkbAtomGetString(xkb->dpy, field);
if (fieldStr == NULL)
return False;
for (i = 0; i < XkbNumVirtualMods; i++)
{
modStr = XkbAtomGetString(xkb->dpy, xkb->names->vmods[i]);
if ((modStr != NULL) && (uStrCaseCmp(fieldStr, modStr) == 0))
{
val_rtrn->uval = i;
return True;
}
}
return False;
}
int
LookupVModMask(XPointer priv,
Atom elem, Atom field, unsigned type, ExprResult * val_rtrn)
{
if (LookupVModIndex(priv, elem, field, type, val_rtrn))
{
register unsigned ndx = val_rtrn->uval;
val_rtrn->uval = (1 << (XkbNumModifiers + ndx));
return True;
}
return False;
}
int
FindKeypadVMod(XkbDescPtr xkb)
{
Atom name;
ExprResult rtrn;
name = XkbInternAtom(xkb->dpy, "NumLock", False);
if ((xkb) && LookupVModIndex((XPointer) xkb, None, name, TypeInt, &rtrn))
{
return rtrn.ival;
}
return -1;
}
Bool
ResolveVirtualModifier(ExprDef * def, ExprResult * val_rtrn, VModInfo * info)
{
XkbNamesPtr names;
names = info->xkb->names;
if (def->op == ExprIdent)
{
register int i, bit;
for (i = 0, bit = 1; i < XkbNumVirtualMods; i++, bit <<= 1)
{
char *str1, *str2;
str1 = XkbAtomGetString(info->xkb->dpy, names->vmods[i]);
str2 = XkbAtomGetString(NULL, def->value.str);
if ((info->available & bit) && (uStrCaseCmp(str1, str2) == Equal))
{
val_rtrn->uval = i;
return True;
}
}
}
if (ExprResolveInteger(def, val_rtrn, NULL, NULL))
{
if (val_rtrn->uval < XkbNumVirtualMods)
return True;
ERROR2("Illegal virtual modifier %d (must be 0..%d inclusive)\n",
val_rtrn->uval, XkbNumVirtualMods - 1);
}
return False;
}
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