static bool
CheckModifierField(struct xkb_context *ctx, const struct xkb_mod_set *mods,
enum xkb_action_type action, const ExprDef *array_ndx,
const ExprDef *value, enum xkb_action_flags *flags_inout,
xkb_mod_mask_t *mods_rtrn)
{
if (array_ndx)
return ReportActionNotArray(ctx, action, ACTION_FIELD_MODIFIERS);
if (value->expr.op == EXPR_IDENT) {
const char *valStr;
valStr = xkb_atom_text(ctx, value->ident.ident);
if (valStr && (istreq(valStr, "usemodmapmods") ||
istreq(valStr, "modmapmods"))) {
*mods_rtrn = 0;
*flags_inout |= ACTION_MODS_LOOKUP_MODMAP;
return true;
}
}
if (!ExprResolveModMask(ctx, value, MOD_BOTH, mods, mods_rtrn))
return ReportMismatch(ctx, action,
ACTION_FIELD_MODIFIERS, "modifier mask");
*flags_inout &= ~ACTION_MODS_LOOKUP_MODMAP;
return true;
}
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,*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;
}
