dos -> unix

1 files changed, 1468 insertions, 1468 deletions

diff --git a/xkbcomp/action.c b/xkbcomp/action.c
index fe022187c..3b82e647e 100644
--- a/xkbcomp/action.c
+++ b/xkbcomp/action.c
@@ -1,1468 +1,1468 @@
-/************************************************************

- 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.

-

- ********************************************************/

-

-#include "xkbcomp.h"

-#include "tokens.h"

-#include "expr.h"

-

-#include "keycodes.h"

-#include "vmod.h"

-#include "misc.h"

-#include "action.h"

-#include "misc.h"

-

-static Bool actionsInitialized;

-static ExprDef constTrue;

-static ExprDef constFalse;

-

-/***====================================================================***/

-

-static Bool

-stringToAction(char *str, unsigned *type_rtrn)

-{

-    if (str == NULL)

-        return False;

-

-    if (uStrCaseCmp(str, "noaction") == 0)

-        *type_rtrn = XkbSA_NoAction;

-    else if (uStrCaseCmp(str, "setmods") == 0)

-        *type_rtrn = XkbSA_SetMods;

-    else if (uStrCaseCmp(str, "latchmods") == 0)

-        *type_rtrn = XkbSA_LatchMods;

-    else if (uStrCaseCmp(str, "lockmods") == 0)

-        *type_rtrn = XkbSA_LockMods;

-    else if (uStrCaseCmp(str, "setgroup") == 0)

-        *type_rtrn = XkbSA_SetGroup;

-    else if (uStrCaseCmp(str, "latchgroup") == 0)

-        *type_rtrn = XkbSA_LatchGroup;

-    else if (uStrCaseCmp(str, "lockgroup") == 0)

-        *type_rtrn = XkbSA_LockGroup;

-    else if (uStrCaseCmp(str, "moveptr") == 0)

-        *type_rtrn = XkbSA_MovePtr;

-    else if (uStrCaseCmp(str, "movepointer") == 0)

-        *type_rtrn = XkbSA_MovePtr;

-    else if (uStrCaseCmp(str, "ptrbtn") == 0)

-        *type_rtrn = XkbSA_PtrBtn;

-    else if (uStrCaseCmp(str, "pointerbutton") == 0)

-        *type_rtrn = XkbSA_PtrBtn;

-    else if (uStrCaseCmp(str, "lockptrbtn") == 0)

-        *type_rtrn = XkbSA_LockPtrBtn;

-    else if (uStrCaseCmp(str, "lockpointerbutton") == 0)

-        *type_rtrn = XkbSA_LockPtrBtn;

-    else if (uStrCaseCmp(str, "lockptrbutton") == 0)

-        *type_rtrn = XkbSA_LockPtrBtn;

-    else if (uStrCaseCmp(str, "lockpointerbtn") == 0)

-        *type_rtrn = XkbSA_LockPtrBtn;

-    else if (uStrCaseCmp(str, "setptrdflt") == 0)

-        *type_rtrn = XkbSA_SetPtrDflt;

-    else if (uStrCaseCmp(str, "setpointerdefault") == 0)

-        *type_rtrn = XkbSA_SetPtrDflt;

-    else if (uStrCaseCmp(str, "isolock") == 0)

-        *type_rtrn = XkbSA_ISOLock;

-    else if (uStrCaseCmp(str, "terminate") == 0)

-        *type_rtrn = XkbSA_Terminate;

-    else if (uStrCaseCmp(str, "terminateserver") == 0)

-        *type_rtrn = XkbSA_Terminate;

-    else if (uStrCaseCmp(str, "switchscreen") == 0)

-        *type_rtrn = XkbSA_SwitchScreen;

-    else if (uStrCaseCmp(str, "setcontrols") == 0)

-        *type_rtrn = XkbSA_SetControls;

-    else if (uStrCaseCmp(str, "lockcontrols") == 0)

-        *type_rtrn = XkbSA_LockControls;

-    else if (uStrCaseCmp(str, "actionmessage") == 0)

-        *type_rtrn = XkbSA_ActionMessage;

-    else if (uStrCaseCmp(str, "messageaction") == 0)

-        *type_rtrn = XkbSA_ActionMessage;

-    else if (uStrCaseCmp(str, "message") == 0)

-        *type_rtrn = XkbSA_ActionMessage;

-    else if (uStrCaseCmp(str, "redirect") == 0)

-        *type_rtrn = XkbSA_RedirectKey;

-    else if (uStrCaseCmp(str, "redirectkey") == 0)

-        *type_rtrn = XkbSA_RedirectKey;

-    else if (uStrCaseCmp(str, "devbtn") == 0)

-        *type_rtrn = XkbSA_DeviceBtn;

-    else if (uStrCaseCmp(str, "devicebtn") == 0)

-        *type_rtrn = XkbSA_DeviceBtn;

-    else if (uStrCaseCmp(str, "devbutton") == 0)

-        *type_rtrn = XkbSA_DeviceBtn;

-    else if (uStrCaseCmp(str, "devicebutton") == 0)

-        *type_rtrn = XkbSA_DeviceBtn;

-    else if (uStrCaseCmp(str, "lockdevbtn") == 0)

-        *type_rtrn = XkbSA_DeviceBtn;

-    else if (uStrCaseCmp(str, "lockdevicebtn") == 0)

-        *type_rtrn = XkbSA_LockDeviceBtn;

-    else if (uStrCaseCmp(str, "lockdevbutton") == 0)

-        *type_rtrn = XkbSA_LockDeviceBtn;

-    else if (uStrCaseCmp(str, "lockdevicebutton") == 0)

-        *type_rtrn = XkbSA_LockDeviceBtn;

-    else if (uStrCaseCmp(str, "devval") == 0)

-        *type_rtrn = XkbSA_DeviceValuator;

-    else if (uStrCaseCmp(str, "deviceval") == 0)

-        *type_rtrn = XkbSA_DeviceValuator;

-    else if (uStrCaseCmp(str, "devvaluator") == 0)

-        *type_rtrn = XkbSA_DeviceValuator;

-    else if (uStrCaseCmp(str, "devicevaluator") == 0)

-        *type_rtrn = XkbSA_DeviceValuator;

-    else if (uStrCaseCmp(str, "private") == 0)

-        *type_rtrn = PrivateAction;

-    else

-        return False;

-    return True;

-}

-

-static Bool

-stringToField(char *str, unsigned *field_rtrn)

-{

-

-    if (str == NULL)

-        return False;

-

-    if (uStrCaseCmp(str, "clearlocks") == 0)

-        *field_rtrn = F_ClearLocks;

-    else if (uStrCaseCmp(str, "latchtolock") == 0)

-        *field_rtrn = F_LatchToLock;

-    else if (uStrCaseCmp(str, "genkeyevent") == 0)

-        *field_rtrn = F_GenKeyEvent;

-    else if (uStrCaseCmp(str, "generatekeyevent") == 0)

-        *field_rtrn = F_GenKeyEvent;

-    else if (uStrCaseCmp(str, "report") == 0)

-        *field_rtrn = F_Report;

-    else if (uStrCaseCmp(str, "default") == 0)

-        *field_rtrn = F_Default;

-    else if (uStrCaseCmp(str, "affect") == 0)

-        *field_rtrn = F_Affect;

-    else if (uStrCaseCmp(str, "increment") == 0)

-        *field_rtrn = F_Increment;

-    else if (uStrCaseCmp(str, "mods") == 0)

-        *field_rtrn = F_Modifiers;

-    else if (uStrCaseCmp(str, "modifiers") == 0)

-        *field_rtrn = F_Modifiers;

-    else if (uStrCaseCmp(str, "group") == 0)

-        *field_rtrn = F_Group;

-    else if (uStrCaseCmp(str, "x") == 0)

-        *field_rtrn = F_X;

-    else if (uStrCaseCmp(str, "y") == 0)

-        *field_rtrn = F_Y;

-    else if (uStrCaseCmp(str, "accel") == 0)

-        *field_rtrn = F_Accel;

-    else if (uStrCaseCmp(str, "accelerate") == 0)

-        *field_rtrn = F_Accel;

-    else if (uStrCaseCmp(str, "repeat") == 0)

-        *field_rtrn = F_Accel;

-    else if (uStrCaseCmp(str, "button") == 0)

-        *field_rtrn = F_Button;

-    else if (uStrCaseCmp(str, "value") == 0)

-        *field_rtrn = F_Value;

-    else if (uStrCaseCmp(str, "controls") == 0)

-        *field_rtrn = F_Controls;

-    else if (uStrCaseCmp(str, "ctrls") == 0)

-        *field_rtrn = F_Controls;

-    else if (uStrCaseCmp(str, "type") == 0)

-        *field_rtrn = F_Type;

-    else if (uStrCaseCmp(str, "count") == 0)

-        *field_rtrn = F_Count;

-    else if (uStrCaseCmp(str, "screen") == 0)

-        *field_rtrn = F_Screen;

-    else if (uStrCaseCmp(str, "same") == 0)

-        *field_rtrn = F_Same;

-    else if (uStrCaseCmp(str, "sameserver") == 0)

-        *field_rtrn = F_Same;

-    else if (uStrCaseCmp(str, "data") == 0)

-        *field_rtrn = F_Data;

-    else if (uStrCaseCmp(str, "device") == 0)

-        *field_rtrn = F_Device;

-    else if (uStrCaseCmp(str, "dev") == 0)

-        *field_rtrn = F_Device;

-    else if (uStrCaseCmp(str, "key") == 0)

-        *field_rtrn = F_Keycode;

-    else if (uStrCaseCmp(str, "keycode") == 0)

-        *field_rtrn = F_Keycode;

-    else if (uStrCaseCmp(str, "kc") == 0)

-        *field_rtrn = F_Keycode;

-    else if (uStrCaseCmp(str, "clearmods") == 0)

-        *field_rtrn = F_ModsToClear;

-    else if (uStrCaseCmp(str, "clearmodifiers") == 0)

-        *field_rtrn = F_ModsToClear;

-    else

-        return False;

-    return True;

-}

-

-static char *

-fieldText(unsigned field)

-{

-    static char buf[32];

-

-    switch (field)

-    {

-    case F_ClearLocks:

-        strcpy(buf, "clearLocks");

-        break;

-    case F_LatchToLock:

-        strcpy(buf, "latchToLock");

-        break;

-    case F_GenKeyEvent:

-        strcpy(buf, "genKeyEvent");

-        break;

-    case F_Report:

-        strcpy(buf, "report");

-        break;

-    case F_Default:

-        strcpy(buf, "default");

-        break;

-    case F_Affect:

-        strcpy(buf, "affect");

-        break;

-    case F_Increment:

-        strcpy(buf, "increment");

-        break;

-    case F_Modifiers:

-        strcpy(buf, "modifiers");

-        break;

-    case F_Group:

-        strcpy(buf, "group");

-        break;

-    case F_X:

-        strcpy(buf, "x");

-        break;

-    case F_Y:

-        strcpy(buf, "y");

-        break;

-    case F_Accel:

-        strcpy(buf, "accel");

-        break;

-    case F_Button:

-        strcpy(buf, "button");

-        break;

-    case F_Value:

-        strcpy(buf, "value");

-        break;

-    case F_Controls:

-        strcpy(buf, "controls");

-        break;

-    case F_Type:

-        strcpy(buf, "type");

-        break;

-    case F_Count:

-        strcpy(buf, "count");

-        break;

-    case F_Screen:

-        strcpy(buf, "screen");

-        break;

-    case F_Same:

-        strcpy(buf, "sameServer");

-        break;

-    case F_Data:

-        strcpy(buf, "data");

-        break;

-    case F_Device:

-        strcpy(buf, "device");

-        break;

-    case F_Keycode:

-        strcpy(buf, "keycode");

-        break;

-    case F_ModsToClear:

-        strcpy(buf, "clearmods");

-        break;

-    default:

-        strcpy(buf, "unknown");

-        break;

-    }

-    return buf;

-}

-

-/***====================================================================***/

-

-static Bool

-ReportMismatch(unsigned action, unsigned field, const char *type)

-{

-    ERROR2("Value of %s field must be of type %s\n", fieldText(field), type);

-    ACTION1("Action %s definition ignored\n",

-            XkbActionTypeText(action, XkbMessage));

-    return False;

-}

-

-static Bool

-ReportIllegal(unsigned action, unsigned field)

-{

-    ERROR2("Field %s is not defined for an action of type %s\n",

-           fieldText(field), XkbActionTypeText(action, XkbMessage));

-    ACTION("Action definition ignored\n");

-    return False;

-}

-

-static Bool

-ReportActionNotArray(unsigned action, unsigned field)

-{

-    ERROR2("The %s field in the %s action is not an array\n",

-           fieldText(field), XkbActionTypeText(action, XkbMessage));

-    ACTION("Action definition ignored\n");

-    return False;

-}

-

-static Bool

-ReportNotFound(unsigned action, unsigned field, const char *what, char *bad)

-{

-    ERROR2("%s named %s not found\n", what, bad);

-    ACTION2("Ignoring the %s field of an %s action\n", fieldText(field),

-            XkbActionTypeText(action, XkbMessage));

-    return False;

-}

-

-static Bool

-HandleNoAction(XkbDescPtr xkb,

-               XkbAnyAction * action,

-               unsigned field, ExprDef * array_ndx, ExprDef * value)

-{

-    return ReportIllegal(action->type, field);

-}

-

-static Bool

-CheckLatchLockFlags(unsigned action,

-                    unsigned field, ExprDef * value, unsigned *flags_inout)

-{

-    unsigned tmp;

-    ExprResult result;

-

-    if (field == F_ClearLocks)

-        tmp = XkbSA_ClearLocks;

-    else if (field == F_LatchToLock)

-        tmp = XkbSA_LatchToLock;

-    else

-        return False;           /* WSGO! */

-    if (!ExprResolveBoolean(value, &result, NULL, NULL))

-        return ReportMismatch(action, field, "boolean");

-    if (result.uval)

-        *flags_inout |= tmp;

-    else

-        *flags_inout &= ~tmp;

-    return True;

-}

-

-static Bool

-CheckModifierField(XkbDescPtr xkb,

-                   unsigned action,

-                   ExprDef * value,

-                   unsigned *flags_inout, unsigned *mods_rtrn)

-{

-    ExprResult rtrn;

-

-    if (value->op == ExprIdent)

-    {

-        register char *valStr;

-        valStr = XkbAtomGetString(NULL, value->value.str);

-        if (valStr && ((uStrCaseCmp(valStr, "usemodmapmods") == 0) ||

-                       (uStrCaseCmp(valStr, "modmapmods") == 0)))

-        {

-

-            *mods_rtrn = 0;

-            *flags_inout |= XkbSA_UseModMapMods;

-            return True;

-        }

-    }

-    if (!ExprResolveModMask(value, &rtrn, LookupVModMask, (XPointer) xkb))

-        return ReportMismatch(action, F_Modifiers, "modifier mask");

-    *mods_rtrn = rtrn.uval;

-    *flags_inout &= ~XkbSA_UseModMapMods;

-    return True;

-}

-

-static Bool

-HandleSetLatchMods(XkbDescPtr xkb,

-                   XkbAnyAction * action,

-                   unsigned field, ExprDef * array_ndx, ExprDef * value)

-{

-    XkbModAction *act;

-    unsigned rtrn;

-    unsigned t1, t2;

-

-    act = (XkbModAction *) action;

-    if (array_ndx != NULL)

-    {

-        switch (field)

-        {

-        case F_ClearLocks:

-        case F_LatchToLock:

-        case F_Modifiers:

-            return ReportActionNotArray(action->type, field);

-        }

-    }

-    switch (field)

-    {

-    case F_ClearLocks:

-    case F_LatchToLock:

-        rtrn = act->flags;

-        if (CheckLatchLockFlags(action->type, field, value, &rtrn))

-        {

-            act->flags = rtrn;

-            return True;

-        }

-        return False;

-    case F_Modifiers:

-        t1 = act->flags;

-        if (CheckModifierField(xkb, action->type, value, &t1, &t2))

-        {

-            act->flags = t1;

-            act->real_mods = act->mask = (t2 & 0xff);

-            t2 = (t2 >> 8) & 0xffff;

-            XkbSetModActionVMods(act, t2);

-            return True;

-        }

-        return False;

-    }

-    return ReportIllegal(action->type, field);

-}

-

-static Bool

-HandleLockMods(XkbDescPtr xkb,

-               XkbAnyAction * action,

-               unsigned field, ExprDef * array_ndx, ExprDef * value)

-{

-    XkbModAction *act;

-    unsigned t1, t2;

-

-    act = (XkbModAction *) action;

-    if ((array_ndx != NULL) && (field == F_Modifiers))

-        return ReportActionNotArray(action->type, field);

-    switch (field)

-    {

-    case F_Modifiers:

-        t1 = act->flags;

-        if (CheckModifierField(xkb, action->type, value, &t1, &t2))

-        {

-            act->flags = t1;

-            act->real_mods = act->mask = (t2 & 0xff);

-            t2 = (t2 >> 8) & 0xffff;

-            XkbSetModActionVMods(act, t2);

-            return True;

-        }

-        return False;

-    }

-    return ReportIllegal(action->type, field);

-}

-

-static LookupEntry groupNames[] = {

-    {"group1", 1},

-    {"group2", 2},

-    {"group3", 3},

-    {"group4", 4},

-    {"group5", 5},

-    {"group6", 6},

-    {"group7", 7},

-    {"group8", 8},

-    {NULL, 0},

-};

-

-static Bool

-CheckGroupField(unsigned action,

-                ExprDef * value, unsigned *flags_inout, int *grp_rtrn)

-{

-    ExprDef *spec;

-    ExprResult rtrn;

-

-    if ((value->op == OpNegate) || (value->op == OpUnaryPlus))

-    {

-        *flags_inout &= ~XkbSA_GroupAbsolute;

-        spec = value->value.child;

-    }

-    else

-    {

-        *flags_inout |= XkbSA_GroupAbsolute;

-        spec = value;

-    }

-

-    if (!ExprResolveInteger(spec, &rtrn, SimpleLookup, (XPointer) groupNames))

-        return ReportMismatch(action, F_Group, "integer (range 1..8)");

-    if ((rtrn.ival < 1) || (rtrn.ival > XkbNumKbdGroups))

-    {

-        ERROR2("Illegal group %d (must be in the range 1..%d)\n", rtrn.ival,

-               XkbNumKbdGroups);

-        ACTION1("Action %s definition ignored\n",

-                XkbActionTypeText(action, XkbMessage));

-        return False;

-    }

-    if (value->op == OpNegate)

-        *grp_rtrn = -rtrn.ival;

-    else if (value->op == OpUnaryPlus)

-        *grp_rtrn = rtrn.ival;

-    else

-        *grp_rtrn = rtrn.ival - 1;

-    return True;

-}

-

-static Bool

-HandleSetLatchGroup(XkbDescPtr xkb,

-                    XkbAnyAction * action,

-                    unsigned field, ExprDef * array_ndx, ExprDef * value)

-{

-    XkbGroupAction *act;

-    unsigned rtrn;

-    unsigned t1;

-    int t2;

-

-    act = (XkbGroupAction *) action;

-    if (array_ndx != NULL)

-    {

-        switch (field)

-        {

-        case F_ClearLocks:

-        case F_LatchToLock:

-        case F_Group:

-            return ReportActionNotArray(action->type, field);

-        }

-    }

-    switch (field)

-    {

-    case F_ClearLocks:

-    case F_LatchToLock:

-        rtrn = act->flags;

-        if (CheckLatchLockFlags(action->type, field, value, &rtrn))

-        {

-            act->flags = rtrn;

-            return True;

-        }

-        return False;

-    case F_Group:

-        t1 = act->flags;

-        if (CheckGroupField(action->type, value, &t1, &t2))

-        {

-            act->flags = t1;

-            XkbSASetGroup(act, t2);

-            return True;

-        }

-        return False;

-    }

-    return ReportIllegal(action->type, field);

-}

-

-static Bool

-HandleLockGroup(XkbDescPtr xkb,

-                XkbAnyAction * action,

-                unsigned field, ExprDef * array_ndx, ExprDef * value)

-{

-    XkbGroupAction *act;

-    unsigned t1;

-    int t2;

-

-    act = (XkbGroupAction *) action;

-    if ((array_ndx != NULL) && (field == F_Group))

-        return ReportActionNotArray(action->type, field);

-    if (field == F_Group)

-    {

-        t1 = act->flags;

-        if (CheckGroupField(action->type, value, &t1, &t2))

-        {

-            act->flags = t1;

-            XkbSASetGroup(act, t2);

-            return True;

-        }

-        return False;

-    }

-    return ReportIllegal(action->type, field);

-}

-

-static Bool

-HandleMovePtr(XkbDescPtr xkb,

-              XkbAnyAction * action,

-              unsigned field, ExprDef * array_ndx, ExprDef * value)

-{

-    ExprResult rtrn;

-    XkbPtrAction *act;

-    Bool absolute;

-

-    act = (XkbPtrAction *) action;

-    if ((array_ndx != NULL) && ((field == F_X) || (field == F_Y)))

-        return ReportActionNotArray(action->type, field);

-

-    if ((field == F_X) || (field == F_Y))

-    {

-        if ((value->op == OpNegate) || (value->op == OpUnaryPlus))

-            absolute = False;

-        else

-            absolute = True;

-        if (!ExprResolveInteger(value, &rtrn, NULL, NULL))

-            return ReportMismatch(action->type, field, "integer");

-        if (field == F_X)

-        {

-            if (absolute)

-                act->flags |= XkbSA_MoveAbsoluteX;

-            XkbSetPtrActionX(act, rtrn.ival);

-        }

-        else

-        {

-            if (absolute)

-                act->flags |= XkbSA_MoveAbsoluteY;

-            XkbSetPtrActionY(act, rtrn.ival);

-        }

-        return True;

-    }

-    else if (field == F_Accel)

-    {

-        if (!ExprResolveBoolean(value, &rtrn, NULL, NULL))

-            return ReportMismatch(action->type, field, "boolean");

-        if (rtrn.uval)

-            act->flags &= ~XkbSA_NoAcceleration;

-        else

-            act->flags |= XkbSA_NoAcceleration;

-    }

-    return ReportIllegal(action->type, field);

-}

-

-static LookupEntry btnNames[] = {

-    {"button1", 1},

-    {"button2", 2},

-    {"button3", 3},

-    {"button4", 4},

-    {"button5", 5},

-    {"default", 0},

-    {NULL, 0}

-};

-

-static LookupEntry lockWhich[] = {

-    {"both", 0},

-    {"lock", XkbSA_LockNoUnlock},

-    {"neither", (XkbSA_LockNoLock | XkbSA_LockNoUnlock)},

-    {"unlock", XkbSA_LockNoLock},

-    {NULL, 0}

-};

-

-static Bool

-HandlePtrBtn(XkbDescPtr xkb,

-             XkbAnyAction * action,

-             unsigned field, ExprDef * array_ndx, ExprDef * value)

-{

-    ExprResult rtrn;

-    XkbPtrBtnAction *act;

-

-    act = (XkbPtrBtnAction *) action;

-    if (field == F_Button)

-    {

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        if (!ExprResolveInteger

-            (value, &rtrn, SimpleLookup, (XPointer) btnNames))

-            return ReportMismatch(action->type, field,

-                                  "integer (range 1..5)");

-        if ((rtrn.ival < 0) || (rtrn.ival > 5))

-        {

-            ERROR("Button must specify default or be in the range 1..5\n");

-            ACTION1("Illegal button value %d ignored\n", rtrn.ival);

-            return False;

-        }

-        act->button = rtrn.ival;

-        return True;

-    }

-    else if ((action->type == XkbSA_LockPtrBtn) && (field == F_Affect))

-    {

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        if (!ExprResolveEnum(value, &rtrn, lockWhich))

-            return ReportMismatch(action->type, field, "lock or unlock");

-        act->flags &= ~(XkbSA_LockNoLock | XkbSA_LockNoUnlock);

-        act->flags |= rtrn.ival;

-        return True;

-    }

-    else if (field == F_Count)

-    {

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        if (!ExprResolveInteger

-            (value, &rtrn, SimpleLookup, (XPointer) btnNames))

-            return ReportMismatch(action->type, field, "integer");

-        if ((rtrn.ival < 0) || (rtrn.ival > 255))

-        {

-            ERROR("The count field must have a value in the range 0..255\n");

-            ACTION1("Illegal count %d ignored\n", rtrn.ival);

-            return False;

-        }

-        act->count = rtrn.ival;

-        return True;

-    }

-    return ReportIllegal(action->type, field);

-}

-

-static LookupEntry ptrDflts[] = {

-    {"dfltbtn", XkbSA_AffectDfltBtn},

-    {"defaultbutton", XkbSA_AffectDfltBtn},

-    {"button", XkbSA_AffectDfltBtn},

-    {NULL, 0}

-};

-

-static Bool

-HandleSetPtrDflt(XkbDescPtr xkb,

-                 XkbAnyAction * action,

-                 unsigned field, ExprDef * array_ndx, ExprDef * value)

-{

-    ExprResult rtrn;

-    XkbPtrDfltAction *act;

-

-    act = (XkbPtrDfltAction *) action;

-    if (field == F_Affect)

-    {

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        if (!ExprResolveEnum(value, &rtrn, ptrDflts))

-            return ReportMismatch(action->type, field, "pointer component");

-        act->affect = rtrn.uval;

-        return True;

-    }

-    else if ((field == F_Button) || (field == F_Value))

-    {

-        ExprDef *btn;

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        if ((value->op == OpNegate) || (value->op == OpUnaryPlus))

-        {

-            act->flags &= ~XkbSA_DfltBtnAbsolute;

-            btn = value->value.child;

-        }

-        else

-        {

-            act->flags |= XkbSA_DfltBtnAbsolute;

-            btn = value;

-        }

-

-        if (!ExprResolveInteger

-            (btn, &rtrn, SimpleLookup, (XPointer) btnNames))

-            return ReportMismatch(action->type, field,

-                                  "integer (range 1..5)");

-        if ((rtrn.ival < 0) || (rtrn.ival > 5))

-        {

-            ERROR("New default button value must be in the range 1..5\n");

-            ACTION1("Illegal default button value %d ignored\n", rtrn.ival);

-            return False;

-        }

-        if (rtrn.ival == 0)

-        {

-            ERROR("Cannot set default pointer button to \"default\"\n");

-            ACTION("Illegal default button setting ignored\n");

-            return False;

-        }

-        if (value->op == OpNegate)

-            XkbSASetPtrDfltValue(act, -rtrn.ival);

-        else

-            XkbSASetPtrDfltValue(act, rtrn.ival);

-        return True;

-    }

-    return ReportIllegal(action->type, field);

-}

-

-static LookupEntry isoNames[] = {

-    {"mods", XkbSA_ISONoAffectMods},

-    {"modifiers", XkbSA_ISONoAffectMods},

-    {"group", XkbSA_ISONoAffectGroup},

-    {"groups", XkbSA_ISONoAffectGroup},

-    {"ptr", XkbSA_ISONoAffectPtr},

-    {"pointer", XkbSA_ISONoAffectPtr},

-    {"ctrls", XkbSA_ISONoAffectCtrls},

-    {"controls", XkbSA_ISONoAffectCtrls},

-    {"all", ~((unsigned) 0)},

-    {"none", 0},

-    {NULL, 0},

-};

-

-static Bool

-HandleISOLock(XkbDescPtr xkb,

-              XkbAnyAction * action,

-              unsigned field, ExprDef * array_ndx, ExprDef * value)

-{

-    ExprResult rtrn;

-    XkbISOAction *act;

-    unsigned flags, mods;

-    int group;

-

-    act = (XkbISOAction *) action;

-    switch (field)

-    {

-    case F_Modifiers:

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        flags = act->flags;

-        if (CheckModifierField(xkb, action->type, value, &flags, &mods))

-        {

-            act->flags = flags & (~XkbSA_ISODfltIsGroup);

-            act->real_mods = mods & 0xff;

-            mods = (mods >> 8) & 0xff;

-            XkbSetModActionVMods(act, mods);

-            return True;

-        }

-        return False;

-    case F_Group:

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        flags = act->flags;

-        if (CheckGroupField(action->type, value, &flags, &group))

-        {

-            act->flags = flags | XkbSA_ISODfltIsGroup;

-            XkbSASetGroup(act, group);

-            return True;

-        }

-        return False;

-    case F_Affect:

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        if (!ExprResolveMask(value, &rtrn, SimpleLookup, (XPointer) isoNames))

-            return ReportMismatch(action->type, field, "keyboard component");

-        act->affect = (~rtrn.uval) & XkbSA_ISOAffectMask;

-        return True;

-    }

-    return ReportIllegal(action->type, field);

-}

-

-static Bool

-HandleSwitchScreen(XkbDescPtr xkb,

-                   XkbAnyAction * action,

-                   unsigned field, ExprDef * array_ndx, ExprDef * value)

-{

-    ExprResult rtrn;

-    XkbSwitchScreenAction *act;

-

-    act = (XkbSwitchScreenAction *) action;

-    if (field == F_Screen)

-    {

-        ExprDef *scrn;

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        if ((value->op == OpNegate) || (value->op == OpUnaryPlus))

-        {

-            act->flags &= ~XkbSA_SwitchAbsolute;

-            scrn = value->value.child;

-        }

-        else

-        {

-            act->flags |= XkbSA_SwitchAbsolute;

-            scrn = value;

-        }

-

-        if (!ExprResolveInteger(scrn, &rtrn, NULL, NULL))

-            return ReportMismatch(action->type, field, "integer (0..255)");

-        if ((rtrn.ival < 0) || (rtrn.ival > 255))

-        {

-            ERROR("Screen index must be in the range 1..255\n");

-            ACTION1("Illegal screen value %d ignored\n", rtrn.ival);

-            return False;

-        }

-        if (value->op == OpNegate)

-            XkbSASetScreen(act, -rtrn.ival);

-        else

-            XkbSASetScreen(act, rtrn.ival);

-        return True;

-    }

-    else if (field == F_Same)

-    {

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        if (!ExprResolveBoolean(value, &rtrn, NULL, NULL))

-            return ReportMismatch(action->type, field, "boolean");

-        if (rtrn.uval)

-            act->flags &= ~XkbSA_SwitchApplication;

-        else

-            act->flags |= XkbSA_SwitchApplication;

-        return True;

-    }

-    return ReportIllegal(action->type, field);

-}

-

-LookupEntry ctrlNames[] = {

-    {"repeatkeys", XkbRepeatKeysMask}

-    ,

-    {"repeat", XkbRepeatKeysMask}

-    ,

-    {"autorepeat", XkbRepeatKeysMask}

-    ,

-    {"slowkeys", XkbSlowKeysMask}

-    ,

-    {"bouncekeys", XkbBounceKeysMask}

-    ,

-    {"stickykeys", XkbStickyKeysMask}

-    ,

-    {"mousekeys", XkbMouseKeysMask}

-    ,

-    {"mousekeysaccel", XkbMouseKeysAccelMask}

-    ,

-    {"accessxkeys", XkbAccessXKeysMask}

-    ,

-    {"accessxtimeout", XkbAccessXTimeoutMask}

-    ,

-    {"accessxfeedback", XkbAccessXFeedbackMask}

-    ,

-    {"audiblebell", XkbAudibleBellMask}

-    ,

-    {"overlay1", XkbOverlay1Mask}

-    ,

-    {"overlay2", XkbOverlay2Mask}

-    ,

-    {"ignoregrouplock", XkbIgnoreGroupLockMask}

-    ,

-    {"all", XkbAllBooleanCtrlsMask}

-    ,

-    {"none", 0}

-    ,

-    {NULL, 0}

-};

-

-static Bool

-HandleSetLockControls(XkbDescPtr xkb,

-                      XkbAnyAction * action,

-                      unsigned field, ExprDef * array_ndx, ExprDef * value)

-{

-    ExprResult rtrn;

-    XkbCtrlsAction *act;

-

-    act = (XkbCtrlsAction *) action;

-    if (field == F_Controls)

-    {

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        if (!ExprResolveMask

-            (value, &rtrn, SimpleLookup, (XPointer) ctrlNames))

-            return ReportMismatch(action->type, field, "controls mask");

-        XkbActionSetCtrls(act, rtrn.uval);

-        return True;

-    }

-    return ReportIllegal(action->type, field);

-}

-

-static LookupEntry evNames[] = {

-    {"press", XkbSA_MessageOnPress},

-    {"keypress", XkbSA_MessageOnPress},

-    {"release", XkbSA_MessageOnRelease},

-    {"keyrelease", XkbSA_MessageOnRelease},

-    {"all", XkbSA_MessageOnPress | XkbSA_MessageOnRelease},

-    {"none", 0},

-    {NULL, 0}

-};

-

-static Bool

-HandleActionMessage(XkbDescPtr xkb,

-                    XkbAnyAction * action,

-                    unsigned field, ExprDef * array_ndx, ExprDef * value)

-{

-    ExprResult rtrn;

-    XkbMessageAction *act;

-

-    act = (XkbMessageAction *) action;

-    switch (field)

-    {

-    case F_Report:

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        if (!ExprResolveMask(value, &rtrn, SimpleLookup, (XPointer) evNames))

-            return ReportMismatch(action->type, field, "key event mask");

-        act->flags &= ~(XkbSA_MessageOnPress | XkbSA_MessageOnRelease);

-        act->flags =

-            rtrn.uval & (XkbSA_MessageOnPress | XkbSA_MessageOnRelease);

-        return True;

-    case F_GenKeyEvent:

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        if (!ExprResolveBoolean(value, &rtrn, NULL, NULL))

-            return ReportMismatch(action->type, field, "boolean");

-        if (rtrn.uval)

-            act->flags |= XkbSA_MessageGenKeyEvent;

-        else

-            act->flags &= ~XkbSA_MessageGenKeyEvent;

-        return True;

-    case F_Data:

-        if (array_ndx == NULL)

-        {

-            if (!ExprResolveString(value, &rtrn, NULL, NULL))

-                return ReportMismatch(action->type, field, "string");

-            else

-            {

-                int len = strlen(rtrn.str);

-                if ((len < 1) || (len > 6))

-                {

-                    WARN("An action message can hold only 6 bytes\n");

-                    ACTION1("Extra %d bytes ignored\n", len - 6);

-                }

-                strncpy((char *) act->message, rtrn.str, 6);

-            }

-            return True;

-        }

-        else

-        {

-            unsigned ndx;

-            if (!ExprResolveInteger(array_ndx, &rtrn, NULL, NULL))

-            {

-                ERROR("Array subscript must be integer\n");

-                ACTION("Illegal subscript ignored\n");

-                return False;

-            }

-            ndx = rtrn.uval;

-            if (ndx > 5)

-            {

-                ERROR("An action message is at most 6 bytes long\n");

-                ACTION1("Attempt to use data[%d] ignored\n", ndx);

-                return False;

-            }

-            if (!ExprResolveInteger(value, &rtrn, NULL, NULL))

-                return ReportMismatch(action->type, field, "integer");

-            if ((rtrn.ival < 0) || (rtrn.ival > 255))

-            {

-                ERROR("Message data must be in the range 0..255\n");

-                ACTION1("Illegal datum %d ignored\n", rtrn.ival);

-                return False;

-            }

-            act->message[ndx] = rtrn.uval;

-        }

-        return True;

-    }

-    return ReportIllegal(action->type, field);

-}

-

-static Bool

-HandleRedirectKey(XkbDescPtr xkb,

-                  XkbAnyAction * action,

-                  unsigned field, ExprDef * array_ndx, ExprDef * value)

-{

-    ExprResult rtrn;

-    XkbRedirectKeyAction *act;

-    unsigned t1, t2, vmods, vmask;

-    unsigned long tmp;

-

-    if (array_ndx != NULL)

-        return ReportActionNotArray(action->type, field);

-

-    act = (XkbRedirectKeyAction *) action;

-    switch (field)

-    {

-    case F_Keycode:

-        if (!ExprResolveKeyName(value, &rtrn, NULL, NULL))

-            return ReportMismatch(action->type, field, "key name");

-        tmp = KeyNameToLong(rtrn.keyName.name);

-        if (!FindNamedKey(xkb, tmp, &t1, True, CreateKeyNames(xkb), 0))

-        {

-            return ReportNotFound(action->type, field, "Key",

-                                  XkbKeyNameText(rtrn.keyName.name,

-                                                 XkbMessage));

-        }

-        act->new_key = t1;

-        return True;

-    case F_ModsToClear:

-    case F_Modifiers:

-        t1 = 0;

-        if (CheckModifierField(xkb, action->type, value, &t1, &t2))

-        {

-            act->mods_mask |= (t2 & 0xff);

-            if (field == F_Modifiers)

-                act->mods |= (t2 & 0xff);

-            else

-                act->mods &= ~(t2 & 0xff);

-

-            t2 = (t2 >> 8) & 0xffff;

-            vmods = XkbSARedirectVMods(act);

-            vmask = XkbSARedirectVModsMask(act);

-            vmask |= t2;

-            if (field == F_Modifiers)

-                vmods |= t2;

-            else

-                vmods &= ~t2;

-            XkbSARedirectSetVMods(act, vmods);

-            XkbSARedirectSetVModsMask(act, vmask);

-            return True;

-        }

-        return True;

-    }

-    return ReportIllegal(action->type, field);

-}

-

-static Bool

-HandleDeviceBtn(XkbDescPtr xkb,

-                XkbAnyAction * action,

-                unsigned field, ExprDef * array_ndx, ExprDef * value)

-{

-    ExprResult rtrn;

-    XkbDeviceBtnAction *act;

-

-    act = (XkbDeviceBtnAction *) action;

-    if (field == F_Button)

-    {

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        if (!ExprResolveInteger(value, &rtrn, NULL, NULL))

-            return ReportMismatch(action->type, field,

-                                  "integer (range 1..255)");

-        if ((rtrn.ival < 0) || (rtrn.ival > 255))

-        {

-            ERROR("Button must specify default or be in the range 1..255\n");

-            ACTION1("Illegal button value %d ignored\n", rtrn.ival);

-            return False;

-        }

-        act->button = rtrn.ival;

-        return True;

-    }

-    else if ((action->type == XkbSA_LockDeviceBtn) && (field == F_Affect))

-    {

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        if (!ExprResolveEnum(value, &rtrn, lockWhich))

-            return ReportMismatch(action->type, field, "lock or unlock");

-        act->flags &= ~(XkbSA_LockNoLock | XkbSA_LockNoUnlock);

-        act->flags |= rtrn.ival;

-        return True;

-    }

-    else if (field == F_Count)

-    {

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        if (!ExprResolveInteger

-            (value, &rtrn, SimpleLookup, (XPointer) btnNames))

-            return ReportMismatch(action->type, field, "integer");

-        if ((rtrn.ival < 0) || (rtrn.ival > 255))

-        {

-            ERROR("The count field must have a value in the range 0..255\n");

-            ACTION1("Illegal count %d ignored\n", rtrn.ival);

-            return False;

-        }

-        act->count = rtrn.ival;

-        return True;

-    }

-    else if (field == F_Device)

-    {

-        if (array_ndx != NULL)

-            return ReportActionNotArray(action->type, field);

-        if (!ExprResolveInteger(value, &rtrn, NULL, NULL))

-            return ReportMismatch(action->type, field,

-                                  "integer (range 1..255)");

-        if ((rtrn.ival < 0) || (rtrn.ival > 255))

-        {

-            ERROR("Device must specify default or be in the range 1..255\n");

-            ACTION1("Illegal device value %d ignored\n", rtrn.ival);

-            return False;

-        }

-        act->device = rtrn.ival;

-        return True;

-    }

-    return ReportIllegal(action->type, field);

-}

-

-static Bool

-HandleDeviceValuator(XkbDescPtr xkb,

-                     XkbAnyAction * action,

-                     unsigned field, ExprDef * array_ndx, ExprDef * value)

-{

-#if 0

-    ExprResult rtrn;

-    XkbDeviceValuatorAction *act;

-

-    act = (XkbDeviceValuatorAction *) action;

-    /*  XXX - Not yet implemented */

-#endif

-    return False;

-}

-

-static Bool

-HandlePrivate(XkbDescPtr xkb,

-              XkbAnyAction * action,

-              unsigned field, ExprDef * array_ndx, ExprDef * value)

-{

-    ExprResult rtrn;

-

-    switch (field)

-    {

-    case F_Type:

-        if (!ExprResolveInteger(value, &rtrn, NULL, NULL))

-            return ReportMismatch(PrivateAction, field, "integer");

-        if ((rtrn.ival < 0) || (rtrn.ival > 255))

-        {

-            ERROR("Private action type must be in the range 0..255\n");

-            ACTION1("Illegal type %d ignored\n", rtrn.ival);

-            return False;

-        }

-        action->type = rtrn.uval;

-        return True;

-    case F_Data:

-        if (array_ndx == NULL)

-        {

-            if (!ExprResolveString(value, &rtrn, NULL, NULL))

-                return ReportMismatch(action->type, field, "string");

-            else

-            {

-                int len = strlen(rtrn.str);

-                if ((len < 1) || (len > 7))

-                {

-                    WARN("A private action has 7 data bytes\n");

-                    ACTION1("Extra %d bytes ignored\n", len - 6);

-                    return False;

-                }

-                strncpy((char *) action->data, rtrn.str, 7);

-            }

-            return True;

-        }

-        else

-        {

-            unsigned ndx;

-            if (!ExprResolveInteger(array_ndx, &rtrn, NULL, NULL))

-            {

-                ERROR("Array subscript must be integer\n");

-                ACTION("Illegal subscript ignored\n");

-                return False;

-            }

-            ndx = rtrn.uval;

-            if (ndx > 6)

-            {

-                ERROR("The data for a private action is 7 bytes long\n");

-                ACTION1("Attempt to use data[%d] ignored\n", ndx);

-                return False;

-            }

-            if (!ExprResolveInteger(value, &rtrn, NULL, NULL))

-                return ReportMismatch(action->type, field, "integer");

-            if ((rtrn.ival < 0) || (rtrn.ival > 255))

-            {

-                ERROR("All data for a private action must be 0..255\n");

-                ACTION1("Illegal datum %d ignored\n", rtrn.ival);

-                return False;

-            }

-            action->data[ndx] = rtrn.uval;

-            return True;

-        }

-    }

-    return ReportIllegal(PrivateAction, field);

-}

-

-typedef Bool(*actionHandler) (XkbDescPtr /* xkb */ ,

-                              XkbAnyAction * /* action */ ,

-                              unsigned /* field */ ,

-                              ExprDef * /* array_ndx */ ,

-                              ExprDef * /* value */

-    );

-

-static actionHandler handleAction[XkbSA_NumActions + 1] = {

-    HandleNoAction /* NoAction     */ ,

-    HandleSetLatchMods /* SetMods      */ ,

-    HandleSetLatchMods /* LatchMods    */ ,

-    HandleLockMods /* LockMods     */ ,

-    HandleSetLatchGroup /* SetGroup     */ ,

-    HandleSetLatchGroup /* LatchGroup   */ ,

-    HandleLockGroup /* LockGroup    */ ,

-    HandleMovePtr /* MovePtr      */ ,

-    HandlePtrBtn /* PtrBtn       */ ,

-    HandlePtrBtn /* LockPtrBtn   */ ,

-    HandleSetPtrDflt /* SetPtrDflt   */ ,

-    HandleISOLock /* ISOLock      */ ,

-    HandleNoAction /* Terminate    */ ,

-    HandleSwitchScreen /* SwitchScreen */ ,

-    HandleSetLockControls /* SetControls  */ ,

-    HandleSetLockControls /* LockControls */ ,

-    HandleActionMessage /* ActionMessage */ ,

-    HandleRedirectKey /* RedirectKey  */ ,

-    HandleDeviceBtn /* DeviceBtn    */ ,

-    HandleDeviceBtn /* LockDeviceBtn */ ,

-    HandleDeviceValuator /* DeviceValuatr */ ,

-    HandlePrivate               /* Private      */

-};

-

-/***====================================================================***/

-

-static void

-ApplyActionFactoryDefaults(XkbAction * action)

-{

-    if (action->type == XkbSA_SetPtrDflt)

-    {                           /* increment default button */

-        action->dflt.affect = XkbSA_AffectDfltBtn;

-        action->dflt.flags = 0;

-        XkbSASetPtrDfltValue(&action->dflt, 1);

-    }

-    else if (action->type == XkbSA_ISOLock)

-    {

-        action->iso.real_mods = LockMask;

-    }

-    return;

-}

-

-

-int

-HandleActionDef(ExprDef * def,

-                XkbDescPtr xkb,

-                XkbAnyAction * action, unsigned mergeMode, ActionInfo * info)

-{

-    ExprDef *arg;

-    register char *str;

-    unsigned tmp, hndlrType;

-

-    if (!actionsInitialized)

-        ActionsInit();

-

-    if (def->op != ExprActionDecl)

-    {

-        ERROR1("Expected an action definition, found %s\n",

-               exprOpText(def->op));

-        return False;

-    }

-    str = XkbAtomGetString(NULL, def->value.action.name);

-    if (!str)

-    {

-        WSGO("Missing name in action definition!!\n");

-        return False;

-    }

-    if (!stringToAction(str, &tmp))

-    {

-        ERROR1("Unknown action %s\n", str);

-        return False;

-    }

-    action->type = hndlrType = tmp;

-    if (action->type != XkbSA_NoAction)

-    {

-        ApplyActionFactoryDefaults((XkbAction *) action);

-        while (info)

-        {

-            if ((info->action == XkbSA_NoAction)

-                || (info->action == hndlrType))

-            {

-                if (!(*handleAction[hndlrType]) (xkb, action,

-                                                 info->field,

-                                                 info->array_ndx,

-                                                 info->value))

-                {

-                    return False;

-                }

-            }

-            info = info->next;

-        }

-    }

-    for (arg = def->value.action.args; arg != NULL;

-         arg = (ExprDef *) arg->common.next)

-    {

-        ExprDef *field, *value, *arrayRtrn;

-        ExprResult elemRtrn, fieldRtrn;

-        unsigned fieldNdx;

-

-        if (arg->op == OpAssign)

-        {

-            field = arg->value.binary.left;

-            value = arg->value.binary.right;

-        }

-        else

-        {

-            if ((arg->op == OpNot) || (arg->op == OpInvert))

-            {

-                field = arg->value.child;

-                value = &constFalse;

-            }

-            else

-            {

-                field = arg;

-                value = &constTrue;

-            }

-        }

-        if (!ExprResolveLhs(field, &elemRtrn, &fieldRtrn, &arrayRtrn))

-            return False;       /* internal error -- already reported */

-

-        if (elemRtrn.str != NULL)

-        {

-            ERROR("Cannot change defaults in an action definition\n");

-            ACTION2("Ignoring attempt to change %s.%s\n", elemRtrn.str,

-                    fieldRtrn.str);

-            return False;

-        }

-        if (!stringToField(fieldRtrn.str, &fieldNdx))

-        {

-            ERROR1("Unknown field name %s\n", uStringText(fieldRtrn.str));

-            return False;

-        }

-        if (!(*handleAction[hndlrType])

-            (xkb, action, fieldNdx, arrayRtrn, value))

-        {

-            return False;

-        }

-    }

-    return True;

-}

-

-/***====================================================================***/

-

-int

-SetActionField(XkbDescPtr xkb,

-               char *elem,

-               char *field,

-               ExprDef * array_ndx, ExprDef * value, ActionInfo ** info_rtrn)

-{

-    ActionInfo *new, *old;

-

-    if (!actionsInitialized)

-        ActionsInit();

-

-    new = uTypedAlloc(ActionInfo);

-    if (new == NULL)

-    {

-        WSGO("Couldn't allocate space for action default\n");

-        return False;

-    }

-    if (uStrCaseCmp(elem, "action") == 0)

-        new->action = XkbSA_NoAction;

-    else

-    {

-        if (!stringToAction(elem, &new->action))

-            return False;

-        if (new->action == XkbSA_NoAction)

-        {

-            ERROR1("\"%s\" is not a valid field in a NoAction action\n",

-                   field);

-            return False;

-        }

-    }

-    if (!stringToField(field, &new->field))

-    {

-        ERROR1("\"%s\" is not a legal field name\n", field);

-        return False;

-    }

-    new->array_ndx = array_ndx;

-    new->value = value;

-    new->next = NULL;

-    old = *info_rtrn;

-    while ((old) && (old->next))

-        old = old->next;

-    if (old == NULL)

-        *info_rtrn = new;

-    else

-        old->next = new;

-    return True;

-}

-

-/***====================================================================***/

-

-void

-ActionsInit(void)

-{

-    if (!actionsInitialized)

-    {

-        bzero((char *) &constTrue, sizeof(constTrue));

-        bzero((char *) &constFalse, sizeof(constFalse));

-        constTrue.common.stmtType = StmtExpr;

-        constTrue.common.next = NULL;

-        constTrue.op = ExprIdent;

-        constTrue.type = TypeBoolean;

-        constTrue.value.str = XkbInternAtom(NULL, "true", False);

-        constFalse.common.stmtType = StmtExpr;

-        constFalse.common.next = NULL;

-        constFalse.op = ExprIdent;

-        constFalse.type = TypeBoolean;

-        constFalse.value.str = XkbInternAtom(NULL, "false", False);

-        actionsInitialized = 1;

-    }

-    return;

-}

+/************************************************************
+ 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.
+
+ ********************************************************/
+
+#include "xkbcomp.h"
+#include "tokens.h"
+#include "expr.h"
+
+#include "keycodes.h"
+#include "vmod.h"
+#include "misc.h"
+#include "action.h"
+#include "misc.h"
+
+static Bool actionsInitialized;
+static ExprDef constTrue;
+static ExprDef constFalse;
+
+/***====================================================================***/
+
+static Bool
+stringToAction(char *str, unsigned *type_rtrn)
+{
+    if (str == NULL)
+        return False;
+
+    if (uStrCaseCmp(str, "noaction") == 0)
+        *type_rtrn = XkbSA_NoAction;
+    else if (uStrCaseCmp(str, "setmods") == 0)
+        *type_rtrn = XkbSA_SetMods;
+    else if (uStrCaseCmp(str, "latchmods") == 0)
+        *type_rtrn = XkbSA_LatchMods;
+    else if (uStrCaseCmp(str, "lockmods") == 0)
+        *type_rtrn = XkbSA_LockMods;
+    else if (uStrCaseCmp(str, "setgroup") == 0)
+        *type_rtrn = XkbSA_SetGroup;
+    else if (uStrCaseCmp(str, "latchgroup") == 0)
+        *type_rtrn = XkbSA_LatchGroup;
+    else if (uStrCaseCmp(str, "lockgroup") == 0)
+        *type_rtrn = XkbSA_LockGroup;
+    else if (uStrCaseCmp(str, "moveptr") == 0)
+        *type_rtrn = XkbSA_MovePtr;
+    else if (uStrCaseCmp(str, "movepointer") == 0)
+        *type_rtrn = XkbSA_MovePtr;
+    else if (uStrCaseCmp(str, "ptrbtn") == 0)
+        *type_rtrn = XkbSA_PtrBtn;
+    else if (uStrCaseCmp(str, "pointerbutton") == 0)
+        *type_rtrn = XkbSA_PtrBtn;
+    else if (uStrCaseCmp(str, "lockptrbtn") == 0)
+        *type_rtrn = XkbSA_LockPtrBtn;
+    else if (uStrCaseCmp(str, "lockpointerbutton") == 0)
+        *type_rtrn = XkbSA_LockPtrBtn;
+    else if (uStrCaseCmp(str, "lockptrbutton") == 0)
+        *type_rtrn = XkbSA_LockPtrBtn;
+    else if (uStrCaseCmp(str, "lockpointerbtn") == 0)
+        *type_rtrn = XkbSA_LockPtrBtn;
+    else if (uStrCaseCmp(str, "setptrdflt") == 0)
+        *type_rtrn = XkbSA_SetPtrDflt;
+    else if (uStrCaseCmp(str, "setpointerdefault") == 0)
+        *type_rtrn = XkbSA_SetPtrDflt;
+    else if (uStrCaseCmp(str, "isolock") == 0)
+        *type_rtrn = XkbSA_ISOLock;
+    else if (uStrCaseCmp(str, "terminate") == 0)
+        *type_rtrn = XkbSA_Terminate;
+    else if (uStrCaseCmp(str, "terminateserver") == 0)
+        *type_rtrn = XkbSA_Terminate;
+    else if (uStrCaseCmp(str, "switchscreen") == 0)
+        *type_rtrn = XkbSA_SwitchScreen;
+    else if (uStrCaseCmp(str, "setcontrols") == 0)
+        *type_rtrn = XkbSA_SetControls;
+    else if (uStrCaseCmp(str, "lockcontrols") == 0)
+        *type_rtrn = XkbSA_LockControls;
+    else if (uStrCaseCmp(str, "actionmessage") == 0)
+        *type_rtrn = XkbSA_ActionMessage;
+    else if (uStrCaseCmp(str, "messageaction") == 0)
+        *type_rtrn = XkbSA_ActionMessage;
+    else if (uStrCaseCmp(str, "message") == 0)
+        *type_rtrn = XkbSA_ActionMessage;
+    else if (uStrCaseCmp(str, "redirect") == 0)
+        *type_rtrn = XkbSA_RedirectKey;
+    else if (uStrCaseCmp(str, "redirectkey") == 0)
+        *type_rtrn = XkbSA_RedirectKey;
+    else if (uStrCaseCmp(str, "devbtn") == 0)
+        *type_rtrn = XkbSA_DeviceBtn;
+    else if (uStrCaseCmp(str, "devicebtn") == 0)
+        *type_rtrn = XkbSA_DeviceBtn;
+    else if (uStrCaseCmp(str, "devbutton") == 0)
+        *type_rtrn = XkbSA_DeviceBtn;
+    else if (uStrCaseCmp(str, "devicebutton") == 0)
+        *type_rtrn = XkbSA_DeviceBtn;
+    else if (uStrCaseCmp(str, "lockdevbtn") == 0)
+        *type_rtrn = XkbSA_DeviceBtn;
+    else if (uStrCaseCmp(str, "lockdevicebtn") == 0)
+        *type_rtrn = XkbSA_LockDeviceBtn;
+    else if (uStrCaseCmp(str, "lockdevbutton") == 0)
+        *type_rtrn = XkbSA_LockDeviceBtn;
+    else if (uStrCaseCmp(str, "lockdevicebutton") == 0)
+        *type_rtrn = XkbSA_LockDeviceBtn;
+    else if (uStrCaseCmp(str, "devval") == 0)
+        *type_rtrn = XkbSA_DeviceValuator;
+    else if (uStrCaseCmp(str, "deviceval") == 0)
+        *type_rtrn = XkbSA_DeviceValuator;
+    else if (uStrCaseCmp(str, "devvaluator") == 0)
+        *type_rtrn = XkbSA_DeviceValuator;
+    else if (uStrCaseCmp(str, "devicevaluator") == 0)
+        *type_rtrn = XkbSA_DeviceValuator;
+    else if (uStrCaseCmp(str, "private") == 0)
+        *type_rtrn = PrivateAction;
+    else
+        return False;
+    return True;
+}
+
+static Bool
+stringToField(char *str, unsigned *field_rtrn)
+{
+
+    if (str == NULL)
+        return False;
+
+    if (uStrCaseCmp(str, "clearlocks") == 0)
+        *field_rtrn = F_ClearLocks;
+    else if (uStrCaseCmp(str, "latchtolock") == 0)
+        *field_rtrn = F_LatchToLock;
+    else if (uStrCaseCmp(str, "genkeyevent") == 0)
+        *field_rtrn = F_GenKeyEvent;
+    else if (uStrCaseCmp(str, "generatekeyevent") == 0)
+        *field_rtrn = F_GenKeyEvent;
+    else if (uStrCaseCmp(str, "report") == 0)
+        *field_rtrn = F_Report;
+    else if (uStrCaseCmp(str, "default") == 0)
+        *field_rtrn = F_Default;
+    else if (uStrCaseCmp(str, "affect") == 0)
+        *field_rtrn = F_Affect;
+    else if (uStrCaseCmp(str, "increment") == 0)
+        *field_rtrn = F_Increment;
+    else if (uStrCaseCmp(str, "mods") == 0)
+        *field_rtrn = F_Modifiers;
+    else if (uStrCaseCmp(str, "modifiers") == 0)
+        *field_rtrn = F_Modifiers;
+    else if (uStrCaseCmp(str, "group") == 0)
+        *field_rtrn = F_Group;
+    else if (uStrCaseCmp(str, "x") == 0)
+        *field_rtrn = F_X;
+    else if (uStrCaseCmp(str, "y") == 0)
+        *field_rtrn = F_Y;
+    else if (uStrCaseCmp(str, "accel") == 0)
+        *field_rtrn = F_Accel;
+    else if (uStrCaseCmp(str, "accelerate") == 0)
+        *field_rtrn = F_Accel;
+    else if (uStrCaseCmp(str, "repeat") == 0)
+        *field_rtrn = F_Accel;
+    else if (uStrCaseCmp(str, "button") == 0)
+        *field_rtrn = F_Button;
+    else if (uStrCaseCmp(str, "value") == 0)
+        *field_rtrn = F_Value;
+    else if (uStrCaseCmp(str, "controls") == 0)
+        *field_rtrn = F_Controls;
+    else if (uStrCaseCmp(str, "ctrls") == 0)
+        *field_rtrn = F_Controls;
+    else if (uStrCaseCmp(str, "type") == 0)
+        *field_rtrn = F_Type;
+    else if (uStrCaseCmp(str, "count") == 0)
+        *field_rtrn = F_Count;
+    else if (uStrCaseCmp(str, "screen") == 0)
+        *field_rtrn = F_Screen;
+    else if (uStrCaseCmp(str, "same") == 0)
+        *field_rtrn = F_Same;
+    else if (uStrCaseCmp(str, "sameserver") == 0)
+        *field_rtrn = F_Same;
+    else if (uStrCaseCmp(str, "data") == 0)
+        *field_rtrn = F_Data;
+    else if (uStrCaseCmp(str, "device") == 0)
+        *field_rtrn = F_Device;
+    else if (uStrCaseCmp(str, "dev") == 0)
+        *field_rtrn = F_Device;
+    else if (uStrCaseCmp(str, "key") == 0)
+        *field_rtrn = F_Keycode;
+    else if (uStrCaseCmp(str, "keycode") == 0)
+        *field_rtrn = F_Keycode;
+    else if (uStrCaseCmp(str, "kc") == 0)
+        *field_rtrn = F_Keycode;
+    else if (uStrCaseCmp(str, "clearmods") == 0)
+        *field_rtrn = F_ModsToClear;
+    else if (uStrCaseCmp(str, "clearmodifiers") == 0)
+        *field_rtrn = F_ModsToClear;
+    else
+        return False;
+    return True;
+}
+
+static char *
+fieldText(unsigned field)
+{
+    static char buf[32];
+
+    switch (field)
+    {
+    case F_ClearLocks:
+        strcpy(buf, "clearLocks");
+        break;
+    case F_LatchToLock:
+        strcpy(buf, "latchToLock");
+        break;
+    case F_GenKeyEvent:
+        strcpy(buf, "genKeyEvent");
+        break;
+    case F_Report:
+        strcpy(buf, "report");
+        break;
+    case F_Default:
+        strcpy(buf, "default");
+        break;
+    case F_Affect:
+        strcpy(buf, "affect");
+        break;
+    case F_Increment:
+        strcpy(buf, "increment");
+        break;
+    case F_Modifiers:
+        strcpy(buf, "modifiers");
+        break;
+    case F_Group:
+        strcpy(buf, "group");
+        break;
+    case F_X:
+        strcpy(buf, "x");
+        break;
+    case F_Y:
+        strcpy(buf, "y");
+        break;
+    case F_Accel:
+        strcpy(buf, "accel");
+        break;
+    case F_Button:
+        strcpy(buf, "button");
+        break;
+    case F_Value:
+        strcpy(buf, "value");
+        break;
+    case F_Controls:
+        strcpy(buf, "controls");
+        break;
+    case F_Type:
+        strcpy(buf, "type");
+        break;
+    case F_Count:
+        strcpy(buf, "count");
+        break;
+    case F_Screen:
+        strcpy(buf, "screen");
+        break;
+    case F_Same:
+        strcpy(buf, "sameServer");
+        break;
+    case F_Data:
+        strcpy(buf, "data");
+        break;
+    case F_Device:
+        strcpy(buf, "device");
+        break;
+    case F_Keycode:
+        strcpy(buf, "keycode");
+        break;
+    case F_ModsToClear:
+        strcpy(buf, "clearmods");
+        break;
+    default:
+        strcpy(buf, "unknown");
+        break;
+    }
+    return buf;
+}
+
+/***====================================================================***/
+
+static Bool
+ReportMismatch(unsigned action, unsigned field, const char *type)
+{
+    ERROR2("Value of %s field must be of type %s\n", fieldText(field), type);
+    ACTION1("Action %s definition ignored\n",
+            XkbActionTypeText(action, XkbMessage));
+    return False;
+}
+
+static Bool
+ReportIllegal(unsigned action, unsigned field)
+{
+    ERROR2("Field %s is not defined for an action of type %s\n",
+           fieldText(field), XkbActionTypeText(action, XkbMessage));
+    ACTION("Action definition ignored\n");
+    return False;
+}
+
+static Bool
+ReportActionNotArray(unsigned action, unsigned field)
+{
+    ERROR2("The %s field in the %s action is not an array\n",
+           fieldText(field), XkbActionTypeText(action, XkbMessage));
+    ACTION("Action definition ignored\n");
+    return False;
+}
+
+static Bool
+ReportNotFound(unsigned action, unsigned field, const char *what, char *bad)
+{
+    ERROR2("%s named %s not found\n", what, bad);
+    ACTION2("Ignoring the %s field of an %s action\n", fieldText(field),
+            XkbActionTypeText(action, XkbMessage));
+    return False;
+}
+
+static Bool
+HandleNoAction(XkbDescPtr xkb,
+               XkbAnyAction * action,
+               unsigned field, ExprDef * array_ndx, ExprDef * value)
+{
+    return ReportIllegal(action->type, field);
+}
+
+static Bool
+CheckLatchLockFlags(unsigned action,
+                    unsigned field, ExprDef * value, unsigned *flags_inout)
+{
+    unsigned tmp;
+    ExprResult result;
+
+    if (field == F_ClearLocks)
+        tmp = XkbSA_ClearLocks;
+    else if (field == F_LatchToLock)
+        tmp = XkbSA_LatchToLock;
+    else
+        return False;           /* WSGO! */
+    if (!ExprResolveBoolean(value, &result, NULL, NULL))
+        return ReportMismatch(action, field, "boolean");
+    if (result.uval)
+        *flags_inout |= tmp;
+    else
+        *flags_inout &= ~tmp;
+    return True;
+}
+
+static Bool
+CheckModifierField(XkbDescPtr xkb,
+                   unsigned action,
+                   ExprDef * value,
+                   unsigned *flags_inout, unsigned *mods_rtrn)
+{
+    ExprResult rtrn;
+
+    if (value->op == ExprIdent)
+    {
+        register char *valStr;
+        valStr = XkbAtomGetString(NULL, value->value.str);
+        if (valStr && ((uStrCaseCmp(valStr, "usemodmapmods") == 0) ||
+                       (uStrCaseCmp(valStr, "modmapmods") == 0)))
+        {
+
+            *mods_rtrn = 0;
+            *flags_inout |= XkbSA_UseModMapMods;
+            return True;
+        }
+    }
+    if (!ExprResolveModMask(value, &rtrn, LookupVModMask, (XPointer) xkb))
+        return ReportMismatch(action, F_Modifiers, "modifier mask");
+    *mods_rtrn = rtrn.uval;
+    *flags_inout &= ~XkbSA_UseModMapMods;
+    return True;
+}
+
+static Bool
+HandleSetLatchMods(XkbDescPtr xkb,
+                   XkbAnyAction * action,
+                   unsigned field, ExprDef * array_ndx, ExprDef * value)
+{
+    XkbModAction *act;
+    unsigned rtrn;
+    unsigned t1, t2;
+
+    act = (XkbModAction *) action;
+    if (array_ndx != NULL)
+    {
+        switch (field)
+        {
+        case F_ClearLocks:
+        case F_LatchToLock:
+        case F_Modifiers:
+            return ReportActionNotArray(action->type, field);
+        }
+    }
+    switch (field)
+    {
+    case F_ClearLocks:
+    case F_LatchToLock:
+        rtrn = act->flags;
+        if (CheckLatchLockFlags(action->type, field, value, &rtrn))
+        {
+            act->flags = rtrn;
+            return True;
+        }
+        return False;
+    case F_Modifiers:
+        t1 = act->flags;
+        if (CheckModifierField(xkb, action->type, value, &t1, &t2))
+        {
+            act->flags = t1;
+            act->real_mods = act->mask = (t2 & 0xff);
+            t2 = (t2 >> 8) & 0xffff;
+            XkbSetModActionVMods(act, t2);
+            return True;
+        }
+        return False;
+    }
+    return ReportIllegal(action->type, field);
+}
+
+static Bool
+HandleLockMods(XkbDescPtr xkb,
+               XkbAnyAction * action,
+               unsigned field, ExprDef * array_ndx, ExprDef * value)
+{
+    XkbModAction *act;
+    unsigned t1, t2;
+
+    act = (XkbModAction *) action;
+    if ((array_ndx != NULL) && (field == F_Modifiers))
+        return ReportActionNotArray(action->type, field);
+    switch (field)
+    {
+    case F_Modifiers:
+        t1 = act->flags;
+        if (CheckModifierField(xkb, action->type, value, &t1, &t2))
+        {
+            act->flags = t1;
+            act->real_mods = act->mask = (t2 & 0xff);
+            t2 = (t2 >> 8) & 0xffff;
+            XkbSetModActionVMods(act, t2);
+            return True;
+        }
+        return False;
+    }
+    return ReportIllegal(action->type, field);
+}
+
+static LookupEntry groupNames[] = {
+    {"group1", 1},
+    {"group2", 2},
+    {"group3", 3},
+    {"group4", 4},
+    {"group5", 5},
+    {"group6", 6},
+    {"group7", 7},
+    {"group8", 8},
+    {NULL, 0},
+};
+
+static Bool
+CheckGroupField(unsigned action,
+                ExprDef * value, unsigned *flags_inout, int *grp_rtrn)
+{
+    ExprDef *spec;
+    ExprResult rtrn;
+
+    if ((value->op == OpNegate) || (value->op == OpUnaryPlus))
+    {
+        *flags_inout &= ~XkbSA_GroupAbsolute;
+        spec = value->value.child;
+    }
+    else
+    {
+        *flags_inout |= XkbSA_GroupAbsolute;
+        spec = value;
+    }
+
+    if (!ExprResolveInteger(spec, &rtrn, SimpleLookup, (XPointer) groupNames))
+        return ReportMismatch(action, F_Group, "integer (range 1..8)");
+    if ((rtrn.ival < 1) || (rtrn.ival > XkbNumKbdGroups))
+    {
+        ERROR2("Illegal group %d (must be in the range 1..%d)\n", rtrn.ival,
+               XkbNumKbdGroups);
+        ACTION1("Action %s definition ignored\n",
+                XkbActionTypeText(action, XkbMessage));
+        return False;
+    }
+    if (value->op == OpNegate)
+        *grp_rtrn = -rtrn.ival;
+    else if (value->op == OpUnaryPlus)
+        *grp_rtrn = rtrn.ival;
+    else
+        *grp_rtrn = rtrn.ival - 1;
+    return True;
+}
+
+static Bool
+HandleSetLatchGroup(XkbDescPtr xkb,
+                    XkbAnyAction * action,
+                    unsigned field, ExprDef * array_ndx, ExprDef * value)
+{
+    XkbGroupAction *act;
+    unsigned rtrn;
+    unsigned t1;
+    int t2;
+
+    act = (XkbGroupAction *) action;
+    if (array_ndx != NULL)
+    {
+        switch (field)
+        {
+        case F_ClearLocks:
+        case F_LatchToLock:
+        case F_Group:
+            return ReportActionNotArray(action->type, field);
+        }
+    }
+    switch (field)
+    {
+    case F_ClearLocks:
+    case F_LatchToLock:
+        rtrn = act->flags;
+        if (CheckLatchLockFlags(action->type, field, value, &rtrn))
+        {
+            act->flags = rtrn;
+            return True;
+        }
+        return False;
+    case F_Group:
+        t1 = act->flags;
+        if (CheckGroupField(action->type, value, &t1, &t2))
+        {
+            act->flags = t1;
+            XkbSASetGroup(act, t2);
+            return True;
+        }
+        return False;
+    }
+    return ReportIllegal(action->type, field);
+}
+
+static Bool
+HandleLockGroup(XkbDescPtr xkb,
+                XkbAnyAction * action,
+                unsigned field, ExprDef * array_ndx, ExprDef * value)
+{
+    XkbGroupAction *act;
+    unsigned t1;
+    int t2;
+
+    act = (XkbGroupAction *) action;
+    if ((array_ndx != NULL) && (field == F_Group))
+        return ReportActionNotArray(action->type, field);
+    if (field == F_Group)
+    {
+        t1 = act->flags;
+        if (CheckGroupField(action->type, value, &t1, &t2))
+        {
+            act->flags = t1;
+            XkbSASetGroup(act, t2);
+            return True;
+        }
+        return False;
+    }
+    return ReportIllegal(action->type, field);
+}
+
+static Bool
+HandleMovePtr(XkbDescPtr xkb,
+              XkbAnyAction * action,
+              unsigned field, ExprDef * array_ndx, ExprDef * value)
+{
+    ExprResult rtrn;
+    XkbPtrAction *act;
+    Bool absolute;
+
+    act = (XkbPtrAction *) action;
+    if ((array_ndx != NULL) && ((field == F_X) || (field == F_Y)))
+        return ReportActionNotArray(action->type, field);
+
+    if ((field == F_X) || (field == F_Y))
+    {
+        if ((value->op == OpNegate) || (value->op == OpUnaryPlus))
+            absolute = False;
+        else
+            absolute = True;
+        if (!ExprResolveInteger(value, &rtrn, NULL, NULL))
+            return ReportMismatch(action->type, field, "integer");
+        if (field == F_X)
+        {
+            if (absolute)
+                act->flags |= XkbSA_MoveAbsoluteX;
+            XkbSetPtrActionX(act, rtrn.ival);
+        }
+        else
+        {
+            if (absolute)
+                act->flags |= XkbSA_MoveAbsoluteY;
+            XkbSetPtrActionY(act, rtrn.ival);
+        }
+        return True;
+    }
+    else if (field == F_Accel)
+    {
+        if (!ExprResolveBoolean(value, &rtrn, NULL, NULL))
+            return ReportMismatch(action->type, field, "boolean");
+        if (rtrn.uval)
+            act->flags &= ~XkbSA_NoAcceleration;
+        else
+            act->flags |= XkbSA_NoAcceleration;
+    }
+    return ReportIllegal(action->type, field);
+}
+
+static LookupEntry btnNames[] = {
+    {"button1", 1},
+    {"button2", 2},
+    {"button3", 3},
+    {"button4", 4},
+    {"button5", 5},
+    {"default", 0},
+    {NULL, 0}
+};
+
+static LookupEntry lockWhich[] = {
+    {"both", 0},
+    {"lock", XkbSA_LockNoUnlock},
+    {"neither", (XkbSA_LockNoLock | XkbSA_LockNoUnlock)},
+    {"unlock", XkbSA_LockNoLock},
+    {NULL, 0}
+};
+
+static Bool
+HandlePtrBtn(XkbDescPtr xkb,
+             XkbAnyAction * action,
+             unsigned field, ExprDef * array_ndx, ExprDef * value)
+{
+    ExprResult rtrn;
+    XkbPtrBtnAction *act;
+
+    act = (XkbPtrBtnAction *) action;
+    if (field == F_Button)
+    {
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        if (!ExprResolveInteger
+            (value, &rtrn, SimpleLookup, (XPointer) btnNames))
+            return ReportMismatch(action->type, field,
+                                  "integer (range 1..5)");
+        if ((rtrn.ival < 0) || (rtrn.ival > 5))
+        {
+            ERROR("Button must specify default or be in the range 1..5\n");
+            ACTION1("Illegal button value %d ignored\n", rtrn.ival);
+            return False;
+        }
+        act->button = rtrn.ival;
+        return True;
+    }
+    else if ((action->type == XkbSA_LockPtrBtn) && (field == F_Affect))
+    {
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        if (!ExprResolveEnum(value, &rtrn, lockWhich))
+            return ReportMismatch(action->type, field, "lock or unlock");
+        act->flags &= ~(XkbSA_LockNoLock | XkbSA_LockNoUnlock);
+        act->flags |= rtrn.ival;
+        return True;
+    }
+    else if (field == F_Count)
+    {
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        if (!ExprResolveInteger
+            (value, &rtrn, SimpleLookup, (XPointer) btnNames))
+            return ReportMismatch(action->type, field, "integer");
+        if ((rtrn.ival < 0) || (rtrn.ival > 255))
+        {
+            ERROR("The count field must have a value in the range 0..255\n");
+            ACTION1("Illegal count %d ignored\n", rtrn.ival);
+            return False;
+        }
+        act->count = rtrn.ival;
+        return True;
+    }
+    return ReportIllegal(action->type, field);
+}
+
+static LookupEntry ptrDflts[] = {
+    {"dfltbtn", XkbSA_AffectDfltBtn},
+    {"defaultbutton", XkbSA_AffectDfltBtn},
+    {"button", XkbSA_AffectDfltBtn},
+    {NULL, 0}
+};
+
+static Bool
+HandleSetPtrDflt(XkbDescPtr xkb,
+                 XkbAnyAction * action,
+                 unsigned field, ExprDef * array_ndx, ExprDef * value)
+{
+    ExprResult rtrn;
+    XkbPtrDfltAction *act;
+
+    act = (XkbPtrDfltAction *) action;
+    if (field == F_Affect)
+    {
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        if (!ExprResolveEnum(value, &rtrn, ptrDflts))
+            return ReportMismatch(action->type, field, "pointer component");
+        act->affect = rtrn.uval;
+        return True;
+    }
+    else if ((field == F_Button) || (field == F_Value))
+    {
+        ExprDef *btn;
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        if ((value->op == OpNegate) || (value->op == OpUnaryPlus))
+        {
+            act->flags &= ~XkbSA_DfltBtnAbsolute;
+            btn = value->value.child;
+        }
+        else
+        {
+            act->flags |= XkbSA_DfltBtnAbsolute;
+            btn = value;
+        }
+
+        if (!ExprResolveInteger
+            (btn, &rtrn, SimpleLookup, (XPointer) btnNames))
+            return ReportMismatch(action->type, field,
+                                  "integer (range 1..5)");
+        if ((rtrn.ival < 0) || (rtrn.ival > 5))
+        {
+            ERROR("New default button value must be in the range 1..5\n");
+            ACTION1("Illegal default button value %d ignored\n", rtrn.ival);
+            return False;
+        }
+        if (rtrn.ival == 0)
+        {
+            ERROR("Cannot set default pointer button to \"default\"\n");
+            ACTION("Illegal default button setting ignored\n");
+            return False;
+        }
+        if (value->op == OpNegate)
+            XkbSASetPtrDfltValue(act, -rtrn.ival);
+        else
+            XkbSASetPtrDfltValue(act, rtrn.ival);
+        return True;
+    }
+    return ReportIllegal(action->type, field);
+}
+
+static LookupEntry isoNames[] = {
+    {"mods", XkbSA_ISONoAffectMods},
+    {"modifiers", XkbSA_ISONoAffectMods},
+    {"group", XkbSA_ISONoAffectGroup},
+    {"groups", XkbSA_ISONoAffectGroup},
+    {"ptr", XkbSA_ISONoAffectPtr},
+    {"pointer", XkbSA_ISONoAffectPtr},
+    {"ctrls", XkbSA_ISONoAffectCtrls},
+    {"controls", XkbSA_ISONoAffectCtrls},
+    {"all", ~((unsigned) 0)},
+    {"none", 0},
+    {NULL, 0},
+};
+
+static Bool
+HandleISOLock(XkbDescPtr xkb,
+              XkbAnyAction * action,
+              unsigned field, ExprDef * array_ndx, ExprDef * value)
+{
+    ExprResult rtrn;
+    XkbISOAction *act;
+    unsigned flags, mods;
+    int group;
+
+    act = (XkbISOAction *) action;
+    switch (field)
+    {
+    case F_Modifiers:
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        flags = act->flags;
+        if (CheckModifierField(xkb, action->type, value, &flags, &mods))
+        {
+            act->flags = flags & (~XkbSA_ISODfltIsGroup);
+            act->real_mods = mods & 0xff;
+            mods = (mods >> 8) & 0xff;
+            XkbSetModActionVMods(act, mods);
+            return True;
+        }
+        return False;
+    case F_Group:
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        flags = act->flags;
+        if (CheckGroupField(action->type, value, &flags, &group))
+        {
+            act->flags = flags | XkbSA_ISODfltIsGroup;
+            XkbSASetGroup(act, group);
+            return True;
+        }
+        return False;
+    case F_Affect:
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        if (!ExprResolveMask(value, &rtrn, SimpleLookup, (XPointer) isoNames))
+            return ReportMismatch(action->type, field, "keyboard component");
+        act->affect = (~rtrn.uval) & XkbSA_ISOAffectMask;
+        return True;
+    }
+    return ReportIllegal(action->type, field);
+}
+
+static Bool
+HandleSwitchScreen(XkbDescPtr xkb,
+                   XkbAnyAction * action,
+                   unsigned field, ExprDef * array_ndx, ExprDef * value)
+{
+    ExprResult rtrn;
+    XkbSwitchScreenAction *act;
+
+    act = (XkbSwitchScreenAction *) action;
+    if (field == F_Screen)
+    {
+        ExprDef *scrn;
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        if ((value->op == OpNegate) || (value->op == OpUnaryPlus))
+        {
+            act->flags &= ~XkbSA_SwitchAbsolute;
+            scrn = value->value.child;
+        }
+        else
+        {
+            act->flags |= XkbSA_SwitchAbsolute;
+            scrn = value;
+        }
+
+        if (!ExprResolveInteger(scrn, &rtrn, NULL, NULL))
+            return ReportMismatch(action->type, field, "integer (0..255)");
+        if ((rtrn.ival < 0) || (rtrn.ival > 255))
+        {
+            ERROR("Screen index must be in the range 1..255\n");
+            ACTION1("Illegal screen value %d ignored\n", rtrn.ival);
+            return False;
+        }
+        if (value->op == OpNegate)
+            XkbSASetScreen(act, -rtrn.ival);
+        else
+            XkbSASetScreen(act, rtrn.ival);
+        return True;
+    }
+    else if (field == F_Same)
+    {
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        if (!ExprResolveBoolean(value, &rtrn, NULL, NULL))
+            return ReportMismatch(action->type, field, "boolean");
+        if (rtrn.uval)
+            act->flags &= ~XkbSA_SwitchApplication;
+        else
+            act->flags |= XkbSA_SwitchApplication;
+        return True;
+    }
+    return ReportIllegal(action->type, field);
+}
+
+LookupEntry ctrlNames[] = {
+    {"repeatkeys", XkbRepeatKeysMask}
+    ,
+    {"repeat", XkbRepeatKeysMask}
+    ,
+    {"autorepeat", XkbRepeatKeysMask}
+    ,
+    {"slowkeys", XkbSlowKeysMask}
+    ,
+    {"bouncekeys", XkbBounceKeysMask}
+    ,
+    {"stickykeys", XkbStickyKeysMask}
+    ,
+    {"mousekeys", XkbMouseKeysMask}
+    ,
+    {"mousekeysaccel", XkbMouseKeysAccelMask}
+    ,
+    {"accessxkeys", XkbAccessXKeysMask}
+    ,
+    {"accessxtimeout", XkbAccessXTimeoutMask}
+    ,
+    {"accessxfeedback", XkbAccessXFeedbackMask}
+    ,
+    {"audiblebell", XkbAudibleBellMask}
+    ,
+    {"overlay1", XkbOverlay1Mask}
+    ,
+    {"overlay2", XkbOverlay2Mask}
+    ,
+    {"ignoregrouplock", XkbIgnoreGroupLockMask}
+    ,
+    {"all", XkbAllBooleanCtrlsMask}
+    ,
+    {"none", 0}
+    ,
+    {NULL, 0}
+};
+
+static Bool
+HandleSetLockControls(XkbDescPtr xkb,
+                      XkbAnyAction * action,
+                      unsigned field, ExprDef * array_ndx, ExprDef * value)
+{
+    ExprResult rtrn;
+    XkbCtrlsAction *act;
+
+    act = (XkbCtrlsAction *) action;
+    if (field == F_Controls)
+    {
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        if (!ExprResolveMask
+            (value, &rtrn, SimpleLookup, (XPointer) ctrlNames))
+            return ReportMismatch(action->type, field, "controls mask");
+        XkbActionSetCtrls(act, rtrn.uval);
+        return True;
+    }
+    return ReportIllegal(action->type, field);
+}
+
+static LookupEntry evNames[] = {
+    {"press", XkbSA_MessageOnPress},
+    {"keypress", XkbSA_MessageOnPress},
+    {"release", XkbSA_MessageOnRelease},
+    {"keyrelease", XkbSA_MessageOnRelease},
+    {"all", XkbSA_MessageOnPress | XkbSA_MessageOnRelease},
+    {"none", 0},
+    {NULL, 0}
+};
+
+static Bool
+HandleActionMessage(XkbDescPtr xkb,
+                    XkbAnyAction * action,
+                    unsigned field, ExprDef * array_ndx, ExprDef * value)
+{
+    ExprResult rtrn;
+    XkbMessageAction *act;
+
+    act = (XkbMessageAction *) action;
+    switch (field)
+    {
+    case F_Report:
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        if (!ExprResolveMask(value, &rtrn, SimpleLookup, (XPointer) evNames))
+            return ReportMismatch(action->type, field, "key event mask");
+        act->flags &= ~(XkbSA_MessageOnPress | XkbSA_MessageOnRelease);
+        act->flags =
+            rtrn.uval & (XkbSA_MessageOnPress | XkbSA_MessageOnRelease);
+        return True;
+    case F_GenKeyEvent:
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        if (!ExprResolveBoolean(value, &rtrn, NULL, NULL))
+            return ReportMismatch(action->type, field, "boolean");
+        if (rtrn.uval)
+            act->flags |= XkbSA_MessageGenKeyEvent;
+        else
+            act->flags &= ~XkbSA_MessageGenKeyEvent;
+        return True;
+    case F_Data:
+        if (array_ndx == NULL)
+        {
+            if (!ExprResolveString(value, &rtrn, NULL, NULL))
+                return ReportMismatch(action->type, field, "string");
+            else
+            {
+                int len = strlen(rtrn.str);
+                if ((len < 1) || (len > 6))
+                {
+                    WARN("An action message can hold only 6 bytes\n");
+                    ACTION1("Extra %d bytes ignored\n", len - 6);
+                }
+                strncpy((char *) act->message, rtrn.str, 6);
+            }
+            return True;
+        }
+        else
+        {
+            unsigned ndx;
+            if (!ExprResolveInteger(array_ndx, &rtrn, NULL, NULL))
+            {
+                ERROR("Array subscript must be integer\n");
+                ACTION("Illegal subscript ignored\n");
+                return False;
+            }
+            ndx = rtrn.uval;
+            if (ndx > 5)
+            {
+                ERROR("An action message is at most 6 bytes long\n");
+                ACTION1("Attempt to use data[%d] ignored\n", ndx);
+                return False;
+            }
+            if (!ExprResolveInteger(value, &rtrn, NULL, NULL))
+                return ReportMismatch(action->type, field, "integer");
+            if ((rtrn.ival < 0) || (rtrn.ival > 255))
+            {
+                ERROR("Message data must be in the range 0..255\n");
+                ACTION1("Illegal datum %d ignored\n", rtrn.ival);
+                return False;
+            }
+            act->message[ndx] = rtrn.uval;
+        }
+        return True;
+    }
+    return ReportIllegal(action->type, field);
+}
+
+static Bool
+HandleRedirectKey(XkbDescPtr xkb,
+                  XkbAnyAction * action,
+                  unsigned field, ExprDef * array_ndx, ExprDef * value)
+{
+    ExprResult rtrn;
+    XkbRedirectKeyAction *act;
+    unsigned t1, t2, vmods, vmask;
+    unsigned long tmp;
+
+    if (array_ndx != NULL)
+        return ReportActionNotArray(action->type, field);
+
+    act = (XkbRedirectKeyAction *) action;
+    switch (field)
+    {
+    case F_Keycode:
+        if (!ExprResolveKeyName(value, &rtrn, NULL, NULL))
+            return ReportMismatch(action->type, field, "key name");
+        tmp = KeyNameToLong(rtrn.keyName.name);
+        if (!FindNamedKey(xkb, tmp, &t1, True, CreateKeyNames(xkb), 0))
+        {
+            return ReportNotFound(action->type, field, "Key",
+                                  XkbKeyNameText(rtrn.keyName.name,
+                                                 XkbMessage));
+        }
+        act->new_key = t1;
+        return True;
+    case F_ModsToClear:
+    case F_Modifiers:
+        t1 = 0;
+        if (CheckModifierField(xkb, action->type, value, &t1, &t2))
+        {
+            act->mods_mask |= (t2 & 0xff);
+            if (field == F_Modifiers)
+                act->mods |= (t2 & 0xff);
+            else
+                act->mods &= ~(t2 & 0xff);
+
+            t2 = (t2 >> 8) & 0xffff;
+            vmods = XkbSARedirectVMods(act);
+            vmask = XkbSARedirectVModsMask(act);
+            vmask |= t2;
+            if (field == F_Modifiers)
+                vmods |= t2;
+            else
+                vmods &= ~t2;
+            XkbSARedirectSetVMods(act, vmods);
+            XkbSARedirectSetVModsMask(act, vmask);
+            return True;
+        }
+        return True;
+    }
+    return ReportIllegal(action->type, field);
+}
+
+static Bool
+HandleDeviceBtn(XkbDescPtr xkb,
+                XkbAnyAction * action,
+                unsigned field, ExprDef * array_ndx, ExprDef * value)
+{
+    ExprResult rtrn;
+    XkbDeviceBtnAction *act;
+
+    act = (XkbDeviceBtnAction *) action;
+    if (field == F_Button)
+    {
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        if (!ExprResolveInteger(value, &rtrn, NULL, NULL))
+            return ReportMismatch(action->type, field,
+                                  "integer (range 1..255)");
+        if ((rtrn.ival < 0) || (rtrn.ival > 255))
+        {
+            ERROR("Button must specify default or be in the range 1..255\n");
+            ACTION1("Illegal button value %d ignored\n", rtrn.ival);
+            return False;
+        }
+        act->button = rtrn.ival;
+        return True;
+    }
+    else if ((action->type == XkbSA_LockDeviceBtn) && (field == F_Affect))
+    {
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        if (!ExprResolveEnum(value, &rtrn, lockWhich))
+            return ReportMismatch(action->type, field, "lock or unlock");
+        act->flags &= ~(XkbSA_LockNoLock | XkbSA_LockNoUnlock);
+        act->flags |= rtrn.ival;
+        return True;
+    }
+    else if (field == F_Count)
+    {
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        if (!ExprResolveInteger
+            (value, &rtrn, SimpleLookup, (XPointer) btnNames))
+            return ReportMismatch(action->type, field, "integer");
+        if ((rtrn.ival < 0) || (rtrn.ival > 255))
+        {
+            ERROR("The count field must have a value in the range 0..255\n");
+            ACTION1("Illegal count %d ignored\n", rtrn.ival);
+            return False;
+        }
+        act->count = rtrn.ival;
+        return True;
+    }
+    else if (field == F_Device)
+    {
+        if (array_ndx != NULL)
+            return ReportActionNotArray(action->type, field);
+        if (!ExprResolveInteger(value, &rtrn, NULL, NULL))
+            return ReportMismatch(action->type, field,
+                                  "integer (range 1..255)");
+        if ((rtrn.ival < 0) || (rtrn.ival > 255))
+        {
+            ERROR("Device must specify default or be in the range 1..255\n");
+            ACTION1("Illegal device value %d ignored\n", rtrn.ival);
+            return False;
+        }
+        act->device = rtrn.ival;
+        return True;
+    }
+    return ReportIllegal(action->type, field);
+}
+
+static Bool
+HandleDeviceValuator(XkbDescPtr xkb,
+                     XkbAnyAction * action,
+                     unsigned field, ExprDef * array_ndx, ExprDef * value)
+{
+#if 0
+    ExprResult rtrn;
+    XkbDeviceValuatorAction *act;
+
+    act = (XkbDeviceValuatorAction *) action;
+    /*  XXX - Not yet implemented */
+#endif
+    return False;
+}
+
+static Bool
+HandlePrivate(XkbDescPtr xkb,
+              XkbAnyAction * action,
+              unsigned field, ExprDef * array_ndx, ExprDef * value)
+{
+    ExprResult rtrn;
+
+    switch (field)
+    {
+    case F_Type:
+        if (!ExprResolveInteger(value, &rtrn, NULL, NULL))
+            return ReportMismatch(PrivateAction, field, "integer");
+        if ((rtrn.ival < 0) || (rtrn.ival > 255))
+        {
+            ERROR("Private action type must be in the range 0..255\n");
+            ACTION1("Illegal type %d ignored\n", rtrn.ival);
+            return False;
+        }
+        action->type = rtrn.uval;
+        return True;
+    case F_Data:
+        if (array_ndx == NULL)
+        {
+            if (!ExprResolveString(value, &rtrn, NULL, NULL))
+                return ReportMismatch(action->type, field, "string");
+            else
+            {
+                int len = strlen(rtrn.str);
+                if ((len < 1) || (len > 7))
+                {
+                    WARN("A private action has 7 data bytes\n");
+                    ACTION1("Extra %d bytes ignored\n", len - 6);
+                    return False;
+                }
+                strncpy((char *) action->data, rtrn.str, 7);
+            }
+            return True;
+        }
+        else
+        {
+            unsigned ndx;
+            if (!ExprResolveInteger(array_ndx, &rtrn, NULL, NULL))
+            {
+                ERROR("Array subscript must be integer\n");
+                ACTION("Illegal subscript ignored\n");
+                return False;
+            }
+            ndx = rtrn.uval;
+            if (ndx > 6)
+            {
+                ERROR("The data for a private action is 7 bytes long\n");
+                ACTION1("Attempt to use data[%d] ignored\n", ndx);
+                return False;
+            }
+            if (!ExprResolveInteger(value, &rtrn, NULL, NULL))
+                return ReportMismatch(action->type, field, "integer");
+            if ((rtrn.ival < 0) || (rtrn.ival > 255))
+            {
+                ERROR("All data for a private action must be 0..255\n");
+                ACTION1("Illegal datum %d ignored\n", rtrn.ival);
+                return False;
+            }
+            action->data[ndx] = rtrn.uval;
+            return True;
+        }
+    }
+    return ReportIllegal(PrivateAction, field);
+}
+
+typedef Bool(*actionHandler) (XkbDescPtr /* xkb */ ,
+                              XkbAnyAction * /* action */ ,
+                              unsigned /* field */ ,
+                              ExprDef * /* array_ndx */ ,
+                              ExprDef * /* value */
+    );
+
+static actionHandler handleAction[XkbSA_NumActions + 1] = {
+    HandleNoAction /* NoAction     */ ,
+    HandleSetLatchMods /* SetMods      */ ,
+    HandleSetLatchMods /* LatchMods    */ ,
+    HandleLockMods /* LockMods     */ ,
+    HandleSetLatchGroup /* SetGroup     */ ,
+    HandleSetLatchGroup /* LatchGroup   */ ,
+    HandleLockGroup /* LockGroup    */ ,
+    HandleMovePtr /* MovePtr      */ ,
+    HandlePtrBtn /* PtrBtn       */ ,
+    HandlePtrBtn /* LockPtrBtn   */ ,
+    HandleSetPtrDflt /* SetPtrDflt   */ ,
+    HandleISOLock /* ISOLock      */ ,
+    HandleNoAction /* Terminate    */ ,
+    HandleSwitchScreen /* SwitchScreen */ ,
+    HandleSetLockControls /* SetControls  */ ,
+    HandleSetLockControls /* LockControls */ ,
+    HandleActionMessage /* ActionMessage */ ,
+    HandleRedirectKey /* RedirectKey  */ ,
+    HandleDeviceBtn /* DeviceBtn    */ ,
+    HandleDeviceBtn /* LockDeviceBtn */ ,
+    HandleDeviceValuator /* DeviceValuatr */ ,
+    HandlePrivate               /* Private      */
+};
+
+/***====================================================================***/
+
+static void
+ApplyActionFactoryDefaults(XkbAction * action)
+{
+    if (action->type == XkbSA_SetPtrDflt)
+    {                           /* increment default button */
+        action->dflt.affect = XkbSA_AffectDfltBtn;
+        action->dflt.flags = 0;
+        XkbSASetPtrDfltValue(&action->dflt, 1);
+    }
+    else if (action->type == XkbSA_ISOLock)
+    {
+        action->iso.real_mods = LockMask;
+    }
+    return;
+}
+
+
+int
+HandleActionDef(ExprDef * def,
+                XkbDescPtr xkb,
+                XkbAnyAction * action, unsigned mergeMode, ActionInfo * info)
+{
+    ExprDef *arg;
+    register char *str;
+    unsigned tmp, hndlrType;
+
+    if (!actionsInitialized)
+        ActionsInit();
+
+    if (def->op != ExprActionDecl)
+    {
+        ERROR1("Expected an action definition, found %s\n",
+               exprOpText(def->op));
+        return False;
+    }
+    str = XkbAtomGetString(NULL, def->value.action.name);
+    if (!str)
+    {
+        WSGO("Missing name in action definition!!\n");
+        return False;
+    }
+    if (!stringToAction(str, &tmp))
+    {
+        ERROR1("Unknown action %s\n", str);
+        return False;
+    }
+    action->type = hndlrType = tmp;
+    if (action->type != XkbSA_NoAction)
+    {
+        ApplyActionFactoryDefaults((XkbAction *) action);
+        while (info)
+        {
+            if ((info->action == XkbSA_NoAction)
+                || (info->action == hndlrType))
+            {
+                if (!(*handleAction[hndlrType]) (xkb, action,
+                                                 info->field,
+                                                 info->array_ndx,
+                                                 info->value))
+                {
+                    return False;
+                }
+            }
+            info = info->next;
+        }
+    }
+    for (arg = def->value.action.args; arg != NULL;
+         arg = (ExprDef *) arg->common.next)
+    {
+        ExprDef *field, *value, *arrayRtrn;
+        ExprResult elemRtrn, fieldRtrn;
+        unsigned fieldNdx;
+
+        if (arg->op == OpAssign)
+        {
+            field = arg->value.binary.left;
+            value = arg->value.binary.right;
+        }
+        else
+        {
+            if ((arg->op == OpNot) || (arg->op == OpInvert))
+            {
+                field = arg->value.child;
+                value = &constFalse;
+            }
+            else
+            {
+                field = arg;
+                value = &constTrue;
+            }
+        }
+        if (!ExprResolveLhs(field, &elemRtrn, &fieldRtrn, &arrayRtrn))
+            return False;       /* internal error -- already reported */
+
+        if (elemRtrn.str != NULL)
+        {
+            ERROR("Cannot change defaults in an action definition\n");
+            ACTION2("Ignoring attempt to change %s.%s\n", elemRtrn.str,
+                    fieldRtrn.str);
+            return False;
+        }
+        if (!stringToField(fieldRtrn.str, &fieldNdx))
+        {
+            ERROR1("Unknown field name %s\n", uStringText(fieldRtrn.str));
+            return False;
+        }
+        if (!(*handleAction[hndlrType])
+            (xkb, action, fieldNdx, arrayRtrn, value))
+        {
+            return False;
+        }
+    }
+    return True;
+}
+
+/***====================================================================***/
+
+int
+SetActionField(XkbDescPtr xkb,
+               char *elem,
+               char *field,
+               ExprDef * array_ndx, ExprDef * value, ActionInfo ** info_rtrn)
+{
+    ActionInfo *new, *old;
+
+    if (!actionsInitialized)
+        ActionsInit();
+
+    new = uTypedAlloc(ActionInfo);
+    if (new == NULL)
+    {
+        WSGO("Couldn't allocate space for action default\n");
+        return False;
+    }
+    if (uStrCaseCmp(elem, "action") == 0)
+        new->action = XkbSA_NoAction;
+    else
+    {
+        if (!stringToAction(elem, &new->action))
+            return False;
+        if (new->action == XkbSA_NoAction)
+        {
+            ERROR1("\"%s\" is not a valid field in a NoAction action\n",
+                   field);
+            return False;
+        }
+    }
+    if (!stringToField(field, &new->field))
+    {
+        ERROR1("\"%s\" is not a legal field name\n", field);
+        return False;
+    }
+    new->array_ndx = array_ndx;
+    new->value = value;
+    new->next = NULL;
+    old = *info_rtrn;
+    while ((old) && (old->next))
+        old = old->next;
+    if (old == NULL)
+        *info_rtrn = new;
+    else
+        old->next = new;
+    return True;
+}
+
+/***====================================================================***/
+
+void
+ActionsInit(void)
+{
+    if (!actionsInitialized)
+    {
+        bzero((char *) &constTrue, sizeof(constTrue));
+        bzero((char *) &constFalse, sizeof(constFalse));
+        constTrue.common.stmtType = StmtExpr;
+        constTrue.common.next = NULL;
+        constTrue.op = ExprIdent;
+        constTrue.type = TypeBoolean;
+        constTrue.value.str = XkbInternAtom(NULL, "true", False);
+        constFalse.common.stmtType = StmtExpr;
+        constFalse.common.next = NULL;
+        constFalse.op = ExprIdent;
+        constFalse.type = TypeBoolean;
+        constFalse.value.str = XkbInternAtom(NULL, "false", False);
+        actionsInitialized = 1;
+    }
+    return;
+}