/*
 * System parameters functions
 *
 * Copyright 1994 Alexandre Julliard
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "config.h"

#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define NONAMELESSUNION
#define NONAMELESSSTRUCT

#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "wingdi.h"
#include "winreg.h"
#include "wine/wingdi16.h"
#include "winerror.h"

#include "controls.h"
#include "user_private.h"
#include "wine/gdi_driver.h"
#include "wine/unicode.h"
#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(system);

/* System parameter indexes */
enum spi_index
{
    SPI_SETWORKAREA_IDX,
    SPI_INDEX_COUNT
};

/**
 * Names of the registry subkeys of HKEY_CURRENT_USER key and value names
 * for the system parameters.
 */

/* the various registry keys that are used to store parameters */
enum parameter_key
{
    COLORS_KEY,
    DESKTOP_KEY,
    KEYBOARD_KEY,
    MOUSE_KEY,
    METRICS_KEY,
    SOUND_KEY,
    VERSION_KEY,
    SHOWSOUNDS_KEY,
    KEYBOARDPREF_KEY,
    SCREENREADER_KEY,
    NB_PARAM_KEYS
};

static const WCHAR COLORS_REGKEY[] =   {'C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','C','o','l','o','r','s',0};
static const WCHAR DESKTOP_REGKEY[] =  {'C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','D','e','s','k','t','o','p',0};
static const WCHAR KEYBOARD_REGKEY[] = {'C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','K','e','y','b','o','a','r','d',0};
static const WCHAR MOUSE_REGKEY[] =    {'C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','M','o','u','s','e',0};
static const WCHAR METRICS_REGKEY[] =  {'C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','D','e','s','k','t','o','p','\\',
                                        'W','i','n','d','o','w','M','e','t','r','i','c','s',0};
static const WCHAR SOUND_REGKEY[]=     {'C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','S','o','u','n','d',0};
static const WCHAR VERSION_REGKEY[] =  {'S','o','f','t','w','a','r','e','\\',
                                        'M','i','c','r','o','s','o','f','t','\\',
                                        'W','i','n','d','o','w','s',' ','N','T','\\',
                                        'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
                                        'W','i','n','d','o','w','s',0};
static const WCHAR SHOWSOUNDS_REGKEY[] =   {'C','o','n','t','r','o','l',' ','P','a','n','e','l','\\',
                                            'A','c','c','e','s','s','i','b','i','l','i','t','y','\\',
                                            'S','h','o','w','S','o','u','n','d','s',0};
static const WCHAR KEYBOARDPREF_REGKEY[] = {'C','o','n','t','r','o','l',' ','P','a','n','e','l','\\',
                                            'A','c','c','e','s','s','i','b','i','l','i','t','y','\\',
                                            'K','e','y','b','o','a','r','d',' ','P','r','e','f','e','r','e','n','c','e',0};
static const WCHAR SCREENREADER_REGKEY[] = {'C','o','n','t','r','o','l',' ','P','a','n','e','l','\\',
                                            'A','c','c','e','s','s','i','b','i','l','i','t','y','\\',
                                            'B','l','i','n','d',' ','A','c','c','e','s','s',0};

static const WCHAR *parameter_key_names[NB_PARAM_KEYS] =
{
    COLORS_REGKEY,
    DESKTOP_REGKEY,
    KEYBOARD_REGKEY,
    MOUSE_REGKEY,
    METRICS_REGKEY,
    SOUND_REGKEY,
    VERSION_REGKEY,
    SHOWSOUNDS_REGKEY,
    KEYBOARDPREF_REGKEY,
    SCREENREADER_REGKEY,
};

/* parameter key values; the first char is actually an enum parameter_key to specify the key */
static const WCHAR BEEP_VALNAME[]=                     {SOUND_KEY,'B','e','e','p',0};
static const WCHAR MOUSETHRESHOLD1_VALNAME[]=          {MOUSE_KEY,'M','o','u','s','e','T','h','r','e','s','h','o','l','d','1',0};
static const WCHAR MOUSETHRESHOLD2_VALNAME[]=          {MOUSE_KEY,'M','o','u','s','e','T','h','r','e','s','h','o','l','d','2',0};
static const WCHAR MOUSEACCELERATION_VALNAME[]=        {MOUSE_KEY,'M','o','u','s','e','S','p','e','e','d',0};
static const WCHAR BORDER_VALNAME[]=                   {METRICS_KEY,'B','o','r','d','e','r','W','i','d','t','h',0};
static const WCHAR KEYBOARDSPEED_VALNAME[]=            {KEYBOARD_KEY,'K','e','y','b','o','a','r','d','S','p','e','e','d',0};
static const WCHAR ICONHORIZONTALSPACING_VALNAME[]=    {METRICS_KEY,'I','c','o','n','S','p','a','c','i','n','g',0};
static const WCHAR SCREENSAVETIMEOUT_VALNAME[]=        {DESKTOP_KEY,'S','c','r','e','e','n','S','a','v','e','T','i','m','e','O','u','t',0};
static const WCHAR SCREENSAVEACTIVE_VALNAME[]=         {DESKTOP_KEY,'S','c','r','e','e','n','S','a','v','e','A','c','t','i','v','e',0};
static const WCHAR GRIDGRANULARITY_VALNAME[]=          {DESKTOP_KEY,'G','r','i','d','G','r','a','n','u','l','a','r','i','t','y',0};
static const WCHAR KEYBOARDDELAY_VALNAME[]=            {KEYBOARD_KEY,'K','e','y','b','o','a','r','d','D','e','l','a','y',0};
static const WCHAR ICONVERTICALSPACING_VALNAME[]=      {METRICS_KEY,'I','c','o','n','V','e','r','t','i','c','a','l','S','p','a','c','i','n','g',0};
static const WCHAR ICONTITLEWRAP_VALNAME[]=            {DESKTOP_KEY,'I','c','o','n','T','i','t','l','e','W','r','a','p',0};
static const WCHAR ICONTITLEWRAP_MIRROR[]=             {METRICS_KEY,'I','c','o','n','T','i','t','l','e','W','r','a','p',0};
static const WCHAR ICONTITLELOGFONT_VALNAME[]=         {METRICS_KEY,'I','c','o','n','F','o','n','t',0};
static const WCHAR MENUDROPALIGNMENT_VALNAME[]=        {DESKTOP_KEY,'M','e','n','u','D','r','o','p','A','l','i','g','n','m','e','n','t',0};
static const WCHAR MENUDROPALIGNMENT_MIRROR[]=         {VERSION_KEY,'M','e','n','u','D','r','o','p','A','l','i','g','n','m','e','n','t',0};
static const WCHAR MOUSETRAILS_VALNAME[]=              {MOUSE_KEY,'M','o','u','s','e','T','r','a','i','l','s',0};
static const WCHAR SNAPTODEFBUTTON_VALNAME[]=          {MOUSE_KEY,'S','n','a','p','T','o','D','e','f','a','u','l','t','B','u','t','t','o','n',0};
static const WCHAR DOUBLECLKWIDTH_VALNAME[]=           {MOUSE_KEY,'D','o','u','b','l','e','C','l','i','c','k','W','i','d','t','h',0};
static const WCHAR DOUBLECLKWIDTH_MIRROR[]=            {DESKTOP_KEY,'D','o','u','b','l','e','C','l','i','c','k','W','i','d','t','h',0};
static const WCHAR DOUBLECLKHEIGHT_VALNAME[]=          {MOUSE_KEY,'D','o','u','b','l','e','C','l','i','c','k','H','e','i','g','h','t',0};
static const WCHAR DOUBLECLKHEIGHT_MIRROR[]=           {DESKTOP_KEY,'D','o','u','b','l','e','C','l','i','c','k','H','e','i','g','h','t',0};
static const WCHAR DOUBLECLICKTIME_VALNAME[]=          {MOUSE_KEY,'D','o','u','b','l','e','C','l','i','c','k','S','p','e','e','d',0};
static const WCHAR MOUSEBUTTONSWAP_VALNAME[]=          {MOUSE_KEY,'S','w','a','p','M','o','u','s','e','B','u','t','t','o','n','s',0};
static const WCHAR DRAGFULLWINDOWS_VALNAME[]=          {DESKTOP_KEY,'D','r','a','g','F','u','l','l','W','i','n','d','o','w','s',0};
static const WCHAR SHOWSOUNDS_VALNAME[]=               {SHOWSOUNDS_KEY,'O','n',0};
static const WCHAR KEYBOARDPREF_VALNAME[]=             {KEYBOARDPREF_KEY,'O','n',0};
static const WCHAR SCREENREADER_VALNAME[]=             {SCREENREADER_KEY,'O','n',0};
static const WCHAR DESKWALLPAPER_VALNAME[]=            {DESKTOP_KEY,'W','a','l','l','p','a','p','e','r',0};
static const WCHAR DESKPATTERN_VALNAME[]=              {DESKTOP_KEY,'P','a','t','t','e','r','n',0};
static const WCHAR FONTSMOOTHING_VALNAME[]=            {DESKTOP_KEY,'F','o','n','t','S','m','o','o','t','h','i','n','g',0};
static const WCHAR DRAGWIDTH_VALNAME[]=                {DESKTOP_KEY,'D','r','a','g','W','i','d','t','h',0};
static const WCHAR DRAGHEIGHT_VALNAME[]=               {DESKTOP_KEY,'D','r','a','g','H','e','i','g','h','t',0};
static const WCHAR LOWPOWERACTIVE_VALNAME[]=           {DESKTOP_KEY,'L','o','w','P','o','w','e','r','A','c','t','i','v','e',0};
static const WCHAR POWEROFFACTIVE_VALNAME[]=           {DESKTOP_KEY,'P','o','w','e','r','O','f','f','A','c','t','i','v','e',0};
static const WCHAR USERPREFERENCESMASK_VALNAME[]=      {DESKTOP_KEY,'U','s','e','r','P','r','e','f','e','r','e','n','c','e','s','M','a','s','k',0};
static const WCHAR MOUSEHOVERWIDTH_VALNAME[]=          {MOUSE_KEY,'M','o','u','s','e','H','o','v','e','r','W','i','d','t','h',0};
static const WCHAR MOUSEHOVERHEIGHT_VALNAME[]=         {MOUSE_KEY,'M','o','u','s','e','H','o','v','e','r','H','e','i','g','h','t',0};
static const WCHAR MOUSEHOVERTIME_VALNAME[]=           {MOUSE_KEY,'M','o','u','s','e','H','o','v','e','r','T','i','m','e',0};
static const WCHAR WHEELSCROLLCHARS_VALNAME[]=         {DESKTOP_KEY,'W','h','e','e','l','S','c','r','o','l','l','C','h','a','r','s',0};
static const WCHAR WHEELSCROLLLINES_VALNAME[]=         {DESKTOP_KEY,'W','h','e','e','l','S','c','r','o','l','l','L','i','n','e','s',0};
static const WCHAR ACTIVEWINDOWTRACKING_VALNAME[]=     {MOUSE_KEY,'A','c','t','i','v','e','W','i','n','d','o','w','T','r','a','c','k','i','n','g',0};
static const WCHAR MENUSHOWDELAY_VALNAME[]=            {DESKTOP_KEY,'M','e','n','u','S','h','o','w','D','e','l','a','y',0};
static const WCHAR BLOCKSENDINPUTRESETS_VALNAME[]=     {DESKTOP_KEY,'B','l','o','c','k','S','e','n','d','I','n','p','u','t','R','e','s','e','t','s',0};
static const WCHAR FOREGROUNDLOCKTIMEOUT_VALNAME[]=    {DESKTOP_KEY,'F','o','r','e','g','r','o','u','n','d','L','o','c','k','T','i','m','e','o','u','t',0};
static const WCHAR ACTIVEWNDTRKTIMEOUT_VALNAME[]=      {DESKTOP_KEY,'A','c','t','i','v','e','W','n','d','T','r','a','c','k','T','i','m','e','o','u','t',0};
static const WCHAR FOREGROUNDFLASHCOUNT_VALNAME[]=     {DESKTOP_KEY,'F','o','r','e','g','r','o','u','n','d','F','l','a','s','h','C','o','u','n','t',0};
static const WCHAR CARETWIDTH_VALNAME[]=               {DESKTOP_KEY,'C','a','r','e','t','W','i','d','t','h',0};
static const WCHAR MOUSECLICKLOCKTIME_VALNAME[]=       {DESKTOP_KEY,'C','l','i','c','k','L','o','c','k','T','i','m','e',0};
static const WCHAR MOUSESPEED_VALNAME[]=               {MOUSE_KEY,'M','o','u','s','e','S','e','n','s','i','t','i','v','i','t','y',0};
static const WCHAR FONTSMOOTHINGTYPE_VALNAME[]=        {DESKTOP_KEY,'F','o','n','t','S','m','o','o','t','h','i','n','g','T','y','p','e',0};
static const WCHAR FONTSMOOTHINGCONTRAST_VALNAME[]=    {DESKTOP_KEY,'F','o','n','t','S','m','o','o','t','h','i','n','g','G','a','m','m','a',0};
static const WCHAR FONTSMOOTHINGORIENTATION_VALNAME[]= {DESKTOP_KEY,'F','o','n','t','S','m','o','o','t','h','i','n','g','O','r','i','e','n','t','a','t','i','o','n',0};
static const WCHAR FOCUSBORDERWIDTH_VALNAME[]=         {DESKTOP_KEY,'F','o','c','u','s','B','o','r','d','e','r','W','i','d','t','h',0};
static const WCHAR FOCUSBORDERHEIGHT_VALNAME[]=        {DESKTOP_KEY,'F','o','c','u','s','B','o','r','d','e','r','H','e','i','g','h','t',0};
static const WCHAR SCROLLWIDTH_VALNAME[]=              {METRICS_KEY,'S','c','r','o','l','l','W','i','d','t','h',0};
static const WCHAR SCROLLHEIGHT_VALNAME[]=             {METRICS_KEY,'S','c','r','o','l','l','H','e','i','g','h','t',0};
static const WCHAR CAPTIONWIDTH_VALNAME[]=             {METRICS_KEY,'C','a','p','t','i','o','n','W','i','d','t','h',0};
static const WCHAR CAPTIONHEIGHT_VALNAME[]=            {METRICS_KEY,'C','a','p','t','i','o','n','H','e','i','g','h','t',0};
static const WCHAR SMCAPTIONWIDTH_VALNAME[]=           {METRICS_KEY,'S','m','C','a','p','t','i','o','n','W','i','d','t','h',0};
static const WCHAR SMCAPTIONHEIGHT_VALNAME[]=          {METRICS_KEY,'S','m','C','a','p','t','i','o','n','H','e','i','g','h','t',0};
static const WCHAR MENUWIDTH_VALNAME[]=                {METRICS_KEY,'M','e','n','u','W','i','d','t','h',0};
static const WCHAR MENUHEIGHT_VALNAME[]=               {METRICS_KEY,'M','e','n','u','H','e','i','g','h','t',0};
static const WCHAR ICONSIZE_VALNAME[]=                 {METRICS_KEY,'S','h','e','l','l',' ','I','c','o','n',' ','S','i','z','e',0};
static const WCHAR PADDEDBORDERWIDTH_VALNAME[]=        {METRICS_KEY,'P','a','d','d','e','d','B','o','r','d','e','r','W','i','d','t','h',0};
static const WCHAR CAPTIONLOGFONT_VALNAME[]=           {METRICS_KEY,'C','a','p','t','i','o','n','F','o','n','t',0};
static const WCHAR SMCAPTIONLOGFONT_VALNAME[]=         {METRICS_KEY,'S','m','C','a','p','t','i','o','n','F','o','n','t',0};
static const WCHAR MENULOGFONT_VALNAME[]=              {METRICS_KEY,'M','e','n','u','F','o','n','t',0};
static const WCHAR MESSAGELOGFONT_VALNAME[]=           {METRICS_KEY,'M','e','s','s','a','g','e','F','o','n','t',0};
static const WCHAR STATUSLOGFONT_VALNAME[]=            {METRICS_KEY,'S','t','a','t','u','s','F','o','n','t',0};
static const WCHAR MINWIDTH_VALNAME[] =                {METRICS_KEY,'M','i','n','W','i','d','t','h',0};
static const WCHAR MINHORZGAP_VALNAME[] =              {METRICS_KEY,'M','i','n','H','o','r','z','G','a','p',0};
static const WCHAR MINVERTGAP_VALNAME[] =              {METRICS_KEY,'M','i','n','V','e','r','t','G','a','p',0};
static const WCHAR MINARRANGE_VALNAME[] =              {METRICS_KEY,'M','i','n','A','r','r','a','n','g','e',0};
static const WCHAR COLOR_SCROLLBAR_VALNAME[] =         {COLORS_KEY,'S','c','r','o','l','l','b','a','r',0};
static const WCHAR COLOR_BACKGROUND_VALNAME[] =        {COLORS_KEY,'B','a','c','k','g','r','o','u','n','d',0};
static const WCHAR COLOR_ACTIVECAPTION_VALNAME[] =     {COLORS_KEY,'A','c','t','i','v','e','T','i','t','l','e',0};
static const WCHAR COLOR_INACTIVECAPTION_VALNAME[] =   {COLORS_KEY,'I','n','a','c','t','i','v','e','T','i','t','l','e',0};
static const WCHAR COLOR_MENU_VALNAME[] =              {COLORS_KEY,'M','e','n','u',0};
static const WCHAR COLOR_WINDOW_VALNAME[] =            {COLORS_KEY,'W','i','n','d','o','w',0};
static const WCHAR COLOR_WINDOWFRAME_VALNAME[] =       {COLORS_KEY,'W','i','n','d','o','w','F','r','a','m','e',0};
static const WCHAR COLOR_MENUTEXT_VALNAME[] =          {COLORS_KEY,'M','e','n','u','T','e','x','t',0};
static const WCHAR COLOR_WINDOWTEXT_VALNAME[] =        {COLORS_KEY,'W','i','n','d','o','w','T','e','x','t',0};
static const WCHAR COLOR_CAPTIONTEXT_VALNAME[] =       {COLORS_KEY,'T','i','t','l','e','T','e','x','t',0};
static const WCHAR COLOR_ACTIVEBORDER_VALNAME[] =      {COLORS_KEY,'A','c','t','i','v','e','B','o','r','d','e','r',0};
static const WCHAR COLOR_INACTIVEBORDER_VALNAME[] =    {COLORS_KEY,'I','n','a','c','t','i','v','e','B','o','r','d','e','r',0};
static const WCHAR COLOR_APPWORKSPACE_VALNAME[] =      {COLORS_KEY,'A','p','p','W','o','r','k','S','p','a','c','e',0};
static const WCHAR COLOR_HIGHLIGHT_VALNAME[] =         {COLORS_KEY,'H','i','l','i','g','h','t',0};
static const WCHAR COLOR_HIGHLIGHTTEXT_VALNAME[] =     {COLORS_KEY,'H','i','l','i','g','h','t','T','e','x','t',0};
static const WCHAR COLOR_BTNFACE_VALNAME[] =           {COLORS_KEY,'B','u','t','t','o','n','F','a','c','e',0};
static const WCHAR COLOR_BTNSHADOW_VALNAME[] =         {COLORS_KEY,'B','u','t','t','o','n','S','h','a','d','o','w',0};
static const WCHAR COLOR_GRAYTEXT_VALNAME[] =          {COLORS_KEY,'G','r','a','y','T','e','x','t',0};
static const WCHAR COLOR_BTNTEXT_VALNAME[] =           {COLORS_KEY,'B','u','t','t','o','n','T','e','x','t',0};
static const WCHAR COLOR_INACTIVECAPTIONTEXT_VALNAME[] = {COLORS_KEY,'I','n','a','c','t','i','v','e','T','i','t','l','e','T','e','x','t',0};
static const WCHAR COLOR_BTNHIGHLIGHT_VALNAME[] =      {COLORS_KEY,'B','u','t','t','o','n','H','i','l','i','g','h','t',0};
static const WCHAR COLOR_3DDKSHADOW_VALNAME[] =        {COLORS_KEY,'B','u','t','t','o','n','D','k','S','h','a','d','o','w',0};
static const WCHAR COLOR_3DLIGHT_VALNAME[] =           {COLORS_KEY,'B','u','t','t','o','n','L','i','g','h','t',0};
static const WCHAR COLOR_INFOTEXT_VALNAME[] =          {COLORS_KEY,'I','n','f','o','T','e','x','t',0};
static const WCHAR COLOR_INFOBK_VALNAME[] =            {COLORS_KEY,'I','n','f','o','W','i','n','d','o','w',0};
static const WCHAR COLOR_ALTERNATEBTNFACE_VALNAME[] =  {COLORS_KEY,'B','u','t','t','o','n','A','l','t','e','r','n','a','t','e','F','a','c','e',0};
static const WCHAR COLOR_HOTLIGHT_VALNAME[] =          {COLORS_KEY,'H','o','t','T','r','a','c','k','i','n','g','C','o','l','o','r',0};
static const WCHAR COLOR_GRADIENTACTIVECAPTION_VALNAME[] = {COLORS_KEY,'G','r','a','d','i','e','n','t','A','c','t','i','v','e','T','i','t','l','e',0};
static const WCHAR COLOR_GRADIENTINACTIVECAPTION_VALNAME[] = {COLORS_KEY,'G','r','a','d','i','e','n','t','I','n','a','c','t','i','v','e','T','i','t','l','e',0};
static const WCHAR COLOR_MENUHILIGHT_VALNAME[] =       {COLORS_KEY,'M','e','n','u','H','i','l','i','g','h','t',0};
static const WCHAR COLOR_MENUBAR_VALNAME[] =           {COLORS_KEY,'M','e','n','u','B','a','r',0};

/* FIXME - real value */
static const WCHAR SCREENSAVERRUNNING_VALNAME[]=  {DESKTOP_KEY,'W','I','N','E','_','S','c','r','e','e','n','S','a','v','e','r','R','u','n','n','i','n','g',0};

static const WCHAR WINE_CURRENT_USER_REGKEY[] = {'S','o','f','t','w','a','r','e','\\',
                                                 'W','i','n','e',0};

/* volatile registry branch under WINE_CURRENT_USER_REGKEY for temporary values storage */
static const WCHAR WINE_CURRENT_USER_REGKEY_TEMP_PARAMS[] = {'T','e','m','p','o','r','a','r','y',' ',
                                                             'S','y','s','t','e','m',' ',
                                                             'P','a','r','a','m','e','t','e','r','s',0};

static const WCHAR Yes[] =   {'Y','e','s',0};
static const WCHAR No[] =    {'N','o',0};
static const WCHAR CSu[] =   {'%','u',0};
static const WCHAR CSd[] =   {'%','d',0};
static const WCHAR CSrgb[] = {'%','u',' ','%','u',' ','%','u',0};

/* Indicators whether system parameter value is loaded */
static char spi_loaded[SPI_INDEX_COUNT];

static BOOL notify_change = TRUE;

/* System parameters storage */
static RECT work_area;

static HKEY volatile_base_key;

union sysparam_all_entry;

struct sysparam_entry
{
    BOOL       (*get)( union sysparam_all_entry *entry, UINT int_param, void *ptr_param );
    BOOL       (*set)( union sysparam_all_entry *entry, UINT int_param, void *ptr_param, UINT flags );
    BOOL       (*init)( union sysparam_all_entry *entry );
    const WCHAR *regval;
    const WCHAR *mirror;
    BOOL         loaded;
};

struct sysparam_uint_entry
{
    struct sysparam_entry hdr;
    UINT                  val;
};

struct sysparam_bool_entry
{
    struct sysparam_entry hdr;
    BOOL                  val;
};

struct sysparam_dword_entry
{
    struct sysparam_entry hdr;
    DWORD                 val;
};

struct sysparam_rgb_entry
{
    struct sysparam_entry hdr;
    COLORREF              val;
    HBRUSH                brush;
    HPEN                  pen;
};

struct sysparam_binary_entry
{
    struct sysparam_entry hdr;
    void                 *ptr;
    size_t                size;
};

struct sysparam_path_entry
{
    struct sysparam_entry hdr;
    WCHAR                 path[MAX_PATH];
};

struct sysparam_font_entry
{
    struct sysparam_entry hdr;
    UINT                  weight;
    LOGFONTW              val;
};

struct sysparam_pref_entry
{
    struct sysparam_entry hdr;
    struct sysparam_binary_entry *parent;
    UINT                  offset;
    UINT                  mask;
};

union sysparam_all_entry
{
    struct sysparam_entry        hdr;
    struct sysparam_uint_entry   uint;
    struct sysparam_bool_entry   bool;
    struct sysparam_dword_entry  dword;
    struct sysparam_rgb_entry    rgb;
    struct sysparam_binary_entry bin;
    struct sysparam_path_entry   path;
    struct sysparam_font_entry   font;
    struct sysparam_pref_entry   pref;
};

static void SYSPARAMS_LogFont16To32W( const LOGFONT16 *font16, LPLOGFONTW font32 )
{
    font32->lfHeight = font16->lfHeight;
    font32->lfWidth = font16->lfWidth;
    font32->lfEscapement = font16->lfEscapement;
    font32->lfOrientation = font16->lfOrientation;
    font32->lfWeight = font16->lfWeight;
    font32->lfItalic = font16->lfItalic;
    font32->lfUnderline = font16->lfUnderline;
    font32->lfStrikeOut = font16->lfStrikeOut;
    font32->lfCharSet = font16->lfCharSet;
    font32->lfOutPrecision = font16->lfOutPrecision;
    font32->lfClipPrecision = font16->lfClipPrecision;
    font32->lfQuality = font16->lfQuality;
    font32->lfPitchAndFamily = font16->lfPitchAndFamily;
    MultiByteToWideChar( CP_ACP, 0, font16->lfFaceName, -1, font32->lfFaceName, LF_FACESIZE );
    font32->lfFaceName[LF_FACESIZE-1] = 0;
}

static void SYSPARAMS_LogFont32WTo32A( const LOGFONTW* font32W, LPLOGFONTA font32A )
{
    font32A->lfHeight = font32W->lfHeight;
    font32A->lfWidth = font32W->lfWidth;
    font32A->lfEscapement = font32W->lfEscapement;
    font32A->lfOrientation = font32W->lfOrientation;
    font32A->lfWeight = font32W->lfWeight;
    font32A->lfItalic = font32W->lfItalic;
    font32A->lfUnderline = font32W->lfUnderline;
    font32A->lfStrikeOut = font32W->lfStrikeOut;
    font32A->lfCharSet = font32W->lfCharSet;
    font32A->lfOutPrecision = font32W->lfOutPrecision;
    font32A->lfClipPrecision = font32W->lfClipPrecision;
    font32A->lfQuality = font32W->lfQuality;
    font32A->lfPitchAndFamily = font32W->lfPitchAndFamily;
    WideCharToMultiByte( CP_ACP, 0, font32W->lfFaceName, -1, font32A->lfFaceName, LF_FACESIZE, NULL, NULL );
    font32A->lfFaceName[LF_FACESIZE-1] = 0;
}

static void SYSPARAMS_LogFont32ATo32W( const LOGFONTA* font32A, LPLOGFONTW font32W )
{
    font32W->lfHeight = font32A->lfHeight;
    font32W->lfWidth = font32A->lfWidth;
    font32W->lfEscapement = font32A->lfEscapement;
    font32W->lfOrientation = font32A->lfOrientation;
    font32W->lfWeight = font32A->lfWeight;
    font32W->lfItalic = font32A->lfItalic;
    font32W->lfUnderline = font32A->lfUnderline;
    font32W->lfStrikeOut = font32A->lfStrikeOut;
    font32W->lfCharSet = font32A->lfCharSet;
    font32W->lfOutPrecision = font32A->lfOutPrecision;
    font32W->lfClipPrecision = font32A->lfClipPrecision;
    font32W->lfQuality = font32A->lfQuality;
    font32W->lfPitchAndFamily = font32A->lfPitchAndFamily;
    MultiByteToWideChar( CP_ACP, 0, font32A->lfFaceName, -1, font32W->lfFaceName, LF_FACESIZE );
    font32W->lfFaceName[LF_FACESIZE-1] = 0;
}

static void SYSPARAMS_NonClientMetrics32WTo32A( const NONCLIENTMETRICSW* lpnm32W, LPNONCLIENTMETRICSA lpnm32A )
{
    lpnm32A->iBorderWidth	= lpnm32W->iBorderWidth;
    lpnm32A->iScrollWidth	= lpnm32W->iScrollWidth;
    lpnm32A->iScrollHeight	= lpnm32W->iScrollHeight;
    lpnm32A->iCaptionWidth	= lpnm32W->iCaptionWidth;
    lpnm32A->iCaptionHeight	= lpnm32W->iCaptionHeight;
    SYSPARAMS_LogFont32WTo32A(  &lpnm32W->lfCaptionFont,	&lpnm32A->lfCaptionFont );
    lpnm32A->iSmCaptionWidth	= lpnm32W->iSmCaptionWidth;
    lpnm32A->iSmCaptionHeight	= lpnm32W->iSmCaptionHeight;
    SYSPARAMS_LogFont32WTo32A( &lpnm32W->lfSmCaptionFont,	&lpnm32A->lfSmCaptionFont );
    lpnm32A->iMenuWidth		= lpnm32W->iMenuWidth;
    lpnm32A->iMenuHeight	= lpnm32W->iMenuHeight;
    SYSPARAMS_LogFont32WTo32A( &lpnm32W->lfMenuFont,		&lpnm32A->lfMenuFont );
    SYSPARAMS_LogFont32WTo32A( &lpnm32W->lfStatusFont,		&lpnm32A->lfStatusFont );
    SYSPARAMS_LogFont32WTo32A( &lpnm32W->lfMessageFont,		&lpnm32A->lfMessageFont );
    if (lpnm32A->cbSize > FIELD_OFFSET(NONCLIENTMETRICSA, iPaddedBorderWidth))
    {
        if (lpnm32W->cbSize > FIELD_OFFSET(NONCLIENTMETRICSW, iPaddedBorderWidth))
            lpnm32A->iPaddedBorderWidth = lpnm32W->iPaddedBorderWidth;
        else
            lpnm32A->iPaddedBorderWidth = 0;
    }
}

static void SYSPARAMS_NonClientMetrics32ATo32W( const NONCLIENTMETRICSA* lpnm32A, LPNONCLIENTMETRICSW lpnm32W )
{
    lpnm32W->iBorderWidth	= lpnm32A->iBorderWidth;
    lpnm32W->iScrollWidth	= lpnm32A->iScrollWidth;
    lpnm32W->iScrollHeight	= lpnm32A->iScrollHeight;
    lpnm32W->iCaptionWidth	= lpnm32A->iCaptionWidth;
    lpnm32W->iCaptionHeight	= lpnm32A->iCaptionHeight;
    SYSPARAMS_LogFont32ATo32W(  &lpnm32A->lfCaptionFont,	&lpnm32W->lfCaptionFont );
    lpnm32W->iSmCaptionWidth	= lpnm32A->iSmCaptionWidth;
    lpnm32W->iSmCaptionHeight	= lpnm32A->iSmCaptionHeight;
    SYSPARAMS_LogFont32ATo32W( &lpnm32A->lfSmCaptionFont,	&lpnm32W->lfSmCaptionFont );
    lpnm32W->iMenuWidth		= lpnm32A->iMenuWidth;
    lpnm32W->iMenuHeight	= lpnm32A->iMenuHeight;
    SYSPARAMS_LogFont32ATo32W( &lpnm32A->lfMenuFont,		&lpnm32W->lfMenuFont );
    SYSPARAMS_LogFont32ATo32W( &lpnm32A->lfStatusFont,		&lpnm32W->lfStatusFont );
    SYSPARAMS_LogFont32ATo32W( &lpnm32A->lfMessageFont,		&lpnm32W->lfMessageFont );
    if (lpnm32W->cbSize > FIELD_OFFSET(NONCLIENTMETRICSW, iPaddedBorderWidth))
    {
        if (lpnm32A->cbSize > FIELD_OFFSET(NONCLIENTMETRICSA, iPaddedBorderWidth))
            lpnm32W->iPaddedBorderWidth = lpnm32A->iPaddedBorderWidth;
        else
            lpnm32W->iPaddedBorderWidth = 0;
    }
}


/* Helper functions to retrieve monitors info */

struct monitor_info
{
    int count;
    RECT virtual_rect;
};

static BOOL CALLBACK monitor_info_proc( HMONITOR monitor, HDC hdc, LPRECT rect, LPARAM lp )
{
    struct monitor_info *info = (struct monitor_info *)lp;
    info->count++;
    UnionRect( &info->virtual_rect, &info->virtual_rect, rect );
    return TRUE;
}

static void get_monitors_info( struct monitor_info *info )
{
    info->count = 0;
    SetRectEmpty( &info->virtual_rect );
    EnumDisplayMonitors( 0, NULL, monitor_info_proc, (LPARAM)info );
}

RECT get_virtual_screen_rect(void)
{
    struct monitor_info info;
    get_monitors_info( &info );
    return info.virtual_rect;
}

/* get text metrics and/or "average" char width of the specified logfont 
 * for the specified dc */
static void get_text_metr_size( HDC hdc, LOGFONTW *plf, TEXTMETRICW * ptm, UINT *psz)
{
    HFONT hfont, hfontsav;
    TEXTMETRICW tm;
    if( !ptm) ptm = &tm;
    hfont = CreateFontIndirectW( plf);
    if( !hfont || ( hfontsav = SelectObject( hdc, hfont)) == NULL ) {
        ptm->tmHeight = -1;
        if( psz) *psz = 10;
        if( hfont) DeleteObject( hfont);
        return;
    }
    GetTextMetricsW( hdc, ptm);
    if( psz)
        if( !(*psz = GdiGetCharDimensions( hdc, ptm, NULL)))
            *psz = 10;
    SelectObject( hdc, hfontsav);
    DeleteObject( hfont);
}

/***********************************************************************
 *           SYSPARAMS_NotifyChange
 *
 * Sends notification about system parameter update.
 */
static void SYSPARAMS_NotifyChange( UINT uiAction, UINT fWinIni )
{
    static const WCHAR emptyW[1];

    if (notify_change)
    {
        if (fWinIni & SPIF_UPDATEINIFILE)
        {
            if (fWinIni & (SPIF_SENDWININICHANGE | SPIF_SENDCHANGE))
                SendMessageTimeoutW(HWND_BROADCAST, WM_SETTINGCHANGE,
                                    uiAction, (LPARAM) emptyW,
                                    SMTO_ABORTIFHUNG, 2000, NULL );
        }
        else
        {
            /* FIXME notify other wine processes with internal message */
        }
    }
}

/* retrieve the cached base keys for a given entry */
static BOOL get_base_keys( enum parameter_key index, HKEY *base_key, HKEY *volatile_key )
{
    static HKEY base_keys[NB_PARAM_KEYS];
    static HKEY volatile_keys[NB_PARAM_KEYS];
    HKEY key;

    if (!base_keys[index] && base_key)
    {
        if (RegCreateKeyW( HKEY_CURRENT_USER, parameter_key_names[index], &key )) return FALSE;
        if (InterlockedCompareExchangePointer( (void **)&base_keys[index], key, 0 ))
            RegCloseKey( key );
    }
    if (!volatile_keys[index] && volatile_key)
    {
        if (RegCreateKeyExW( volatile_base_key, parameter_key_names[index],
                             0, 0, REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &key, 0 )) return FALSE;
        if (InterlockedCompareExchangePointer( (void **)&volatile_keys[index], key, 0 ))
            RegCloseKey( key );
    }
    if (base_key) *base_key = base_keys[index];
    if (volatile_key) *volatile_key = volatile_keys[index];
    return TRUE;
}

/* load a value to a registry entry */
static DWORD load_entry( struct sysparam_entry *entry, void *data, DWORD size )
{
    DWORD type, count;
    HKEY base_key, volatile_key;

    if (!get_base_keys( entry->regval[0], &base_key, &volatile_key )) return FALSE;

    count = size;
    if (RegQueryValueExW( volatile_key, entry->regval + 1, NULL, &type, data, &count ))
    {
        count = size;
        if (RegQueryValueExW( base_key, entry->regval + 1, NULL, &type, data, &count )) count = 0;
    }
    /* make sure strings are null-terminated */
    if (size && count == size && type == REG_SZ) ((WCHAR *)data)[count - 1] = 0;
    entry->loaded = TRUE;
    return count;
}

/* save a value to a registry entry */
static BOOL save_entry( const struct sysparam_entry *entry, const void *data, DWORD size,
                        DWORD type, UINT flags )
{
    HKEY base_key, volatile_key;

    if (flags & SPIF_UPDATEINIFILE)
    {
        if (!get_base_keys( entry->regval[0], &base_key, &volatile_key )) return FALSE;
        if (RegSetValueExW( base_key, entry->regval + 1, 0, type, data, size )) return FALSE;
        RegDeleteValueW( volatile_key, entry->regval + 1 );

        if (entry->mirror && get_base_keys( entry->mirror[0], &base_key, NULL ))
            RegSetValueExW( base_key, entry->mirror + 1, 0, type, data, size );
    }
    else
    {
        if (!get_base_keys( entry->regval[0], NULL, &volatile_key )) return FALSE;
        if (RegSetValueExW( volatile_key, entry->regval + 1, 0, type, data, size )) return FALSE;
    }
    return TRUE;
}

/* save a string value to a registry entry */
static BOOL save_entry_string( const struct sysparam_entry *entry, const WCHAR *str, UINT flags )
{
    return save_entry( entry, str, (strlenW(str) + 1) * sizeof(WCHAR), REG_SZ, flags );
}

/* initialize an entry in the registry if missing */
static BOOL init_entry( struct sysparam_entry *entry, const void *data, DWORD size, DWORD type )
{
    HKEY base_key;

    if (!get_base_keys( entry->regval[0], &base_key, NULL )) return FALSE;
    if (!RegQueryValueExW( base_key, entry->regval + 1, NULL, NULL, NULL, NULL )) return TRUE;
    if (RegSetValueExW( base_key, entry->regval + 1, 0, type, data, size )) return FALSE;
    if (entry->mirror && get_base_keys( entry->mirror[0], &base_key, NULL ))
        RegSetValueExW( base_key, entry->mirror + 1, 0, type, data, size );
    entry->loaded = TRUE;
    return TRUE;
}

/* initialize a string value in the registry if missing */
static BOOL init_entry_string( struct sysparam_entry *entry, const WCHAR *str )
{
    return init_entry( entry, str, (strlenW(str) + 1) * sizeof(WCHAR), REG_SZ );
}

static inline HDC get_display_dc(void)
{
    static const WCHAR DISPLAY[] = {'D','I','S','P','L','A','Y',0};
    static HDC display_dc;
    if (!display_dc)
    {
        display_dc = CreateICW( DISPLAY, NULL, NULL, NULL );
        __wine_make_gdi_object_system( display_dc, TRUE );
    }
    return display_dc;
}

static inline int get_display_dpi(void)
{
    static int display_dpi;
    if (!display_dpi) display_dpi = GetDeviceCaps( get_display_dc(), LOGPIXELSY );
    return display_dpi;
}

static INT CALLBACK real_fontname_proc(const LOGFONTW *lf, const TEXTMETRICW *ntm, DWORD type, LPARAM lparam)
{
    const ENUMLOGFONTW *elf = (const ENUMLOGFONTW *)lf;
    LOGFONTW *lfW = (LOGFONTW *)lparam;

    lstrcpynW(lfW->lfFaceName, elf->elfFullName, LF_FACESIZE);
    return 0;
}

static void get_real_fontname(LOGFONTW *lf)
{
    EnumFontFamiliesExW(get_display_dc(), lf, real_fontname_proc, (LPARAM)lf, 0);
}

/* adjust some of the raw values found in the registry */
static void normalize_nonclientmetrics( NONCLIENTMETRICSW *pncm)
{
    TEXTMETRICW tm;
    if( pncm->iBorderWidth < 1) pncm->iBorderWidth = 1;
    if( pncm->iCaptionWidth < 8) pncm->iCaptionWidth = 8;
    if( pncm->iScrollWidth < 8) pncm->iScrollWidth = 8;
    if( pncm->iScrollHeight < 8) pncm->iScrollHeight = 8;

    /* adjust some heights to the corresponding font */
    get_text_metr_size( get_display_dc(), &pncm->lfMenuFont, &tm, NULL);
    pncm->iMenuHeight = max( pncm->iMenuHeight, 2 + tm.tmHeight + tm.tmExternalLeading );
    get_real_fontname( &pncm->lfMenuFont );
    get_text_metr_size( get_display_dc(), &pncm->lfCaptionFont, &tm, NULL);
    pncm->iCaptionHeight = max( pncm->iCaptionHeight, 2 + tm.tmHeight);
    get_real_fontname( &pncm->lfCaptionFont );
    get_text_metr_size( get_display_dc(), &pncm->lfSmCaptionFont, &tm, NULL);
    pncm->iSmCaptionHeight = max( pncm->iSmCaptionHeight, 2 + tm.tmHeight);
    get_real_fontname( &pncm->lfSmCaptionFont );

    get_real_fontname( &pncm->lfStatusFont );
    get_real_fontname( &pncm->lfMessageFont );
}

static BOOL CALLBACK enum_monitors( HMONITOR monitor, HDC hdc, LPRECT rect, LPARAM lp )
{
    MONITORINFO mi;

    mi.cbSize = sizeof(mi);
    if (GetMonitorInfoW( monitor, &mi ) && (mi.dwFlags & MONITORINFOF_PRIMARY))
    {
        LPRECT work = (LPRECT)lp;
        *work = mi.rcWork;
        return FALSE;
    }
    return TRUE;
}

/* load a uint parameter from the registry */
static BOOL get_uint_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param )
{
    if (!ptr_param) return FALSE;

    if (!entry->hdr.loaded)
    {
        WCHAR buf[32];

        if (load_entry( &entry->hdr, buf, sizeof(buf) )) entry->uint.val = atoiW( buf );
    }
    *(UINT *)ptr_param = entry->uint.val;
    return TRUE;
}

/* set a uint parameter in the registry */
static BOOL set_uint_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param, UINT flags )
{
    WCHAR buf[32];

    wsprintfW( buf, CSu, int_param );
    if (!save_entry_string( &entry->hdr, buf, flags )) return FALSE;
    entry->uint.val = int_param;
    entry->hdr.loaded = TRUE;
    return TRUE;
}

/* initialize a uint parameter */
static BOOL init_uint_entry( union sysparam_all_entry *entry )
{
    WCHAR buf[32];

    wsprintfW( buf, CSu, entry->uint.val );
    return init_entry_string( &entry->hdr, buf );
}

/* set an int parameter in the registry */
static BOOL set_int_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param, UINT flags )
{
    WCHAR buf[32];

    wsprintfW( buf, CSd, int_param );
    if (!save_entry_string( &entry->hdr, buf, flags )) return FALSE;
    entry->uint.val = int_param;
    entry->hdr.loaded = TRUE;
    return TRUE;
}

/* initialize an int parameter */
static BOOL init_int_entry( union sysparam_all_entry *entry )
{
    WCHAR buf[32];

    wsprintfW( buf, CSd, entry->uint.val );
    return init_entry_string( &entry->hdr, buf );
}

/* load a twips parameter from the registry */
static BOOL get_twips_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param )
{
    if (!ptr_param) return FALSE;

    if (!entry->hdr.loaded)
    {
        WCHAR buf[32];

        if (load_entry( &entry->hdr, buf, sizeof(buf) ))
        {
            int val = atoiW( buf );
            /* Dimensions are quoted as being "twips" values if negative and pixels if positive.
             * One inch is 1440 twips.
             * See for example
             *       Technical Reference to the Windows 2000 Registry ->
             *       HKEY_CURRENT_USER -> Control Panel -> Desktop -> WindowMetrics
             */
            if (val < 0) val = (-val * get_display_dpi() + 720) / 1440;
            entry->uint.val = val;
        }
    }
    *(UINT *)ptr_param = entry->uint.val;
    return TRUE;
}

/* load a bool parameter from the registry */
static BOOL get_bool_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param )
{
    if (!ptr_param) return FALSE;

    if (!entry->hdr.loaded)
    {
        WCHAR buf[32];

        if (load_entry( &entry->hdr, buf, sizeof(buf) )) entry->bool.val = atoiW( buf ) != 0;
    }
    *(UINT *)ptr_param = entry->bool.val;
    return TRUE;
}

/* set a bool parameter in the registry */
static BOOL set_bool_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param, UINT flags )
{
    WCHAR buf[32];

    wsprintfW( buf, CSu, int_param != 0 );
    if (!save_entry_string( &entry->hdr, buf, flags )) return FALSE;
    entry->bool.val = int_param != 0;
    entry->hdr.loaded = TRUE;
    return TRUE;
}

/* initialize a bool parameter */
static BOOL init_bool_entry( union sysparam_all_entry *entry )
{
    WCHAR buf[32];

    wsprintfW( buf, CSu, entry->bool.val != 0 );
    return init_entry_string( &entry->hdr, buf );
}

/* load a bool parameter using Yes/No strings from the registry */
static BOOL get_yesno_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param )
{
    if (!ptr_param) return FALSE;

    if (!entry->hdr.loaded)
    {
        WCHAR buf[32];

        if (load_entry( &entry->hdr, buf, sizeof(buf) )) entry->bool.val = !lstrcmpiW( Yes, buf );
    }
    *(UINT *)ptr_param = entry->bool.val;
    return TRUE;
}

/* set a bool parameter using Yes/No strings from the registry */
static BOOL set_yesno_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param, UINT flags )
{
    const WCHAR *str = int_param ? Yes : No;

    if (!save_entry_string( &entry->hdr, str, flags )) return FALSE;
    entry->bool.val = int_param != 0;
    entry->hdr.loaded = TRUE;
    return TRUE;
}

/* initialize a bool parameter using Yes/No strings */
static BOOL init_yesno_entry( union sysparam_all_entry *entry )
{
    return init_entry_string( &entry->hdr, entry->bool.val ? Yes : No );
}

/* load a dword (binary) parameter from the registry */
static BOOL get_dword_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param )
{
    if (!ptr_param) return FALSE;

    if (!entry->hdr.loaded)
    {
        DWORD val;
        if (load_entry( &entry->hdr, &val, sizeof(val) ) == sizeof(DWORD)) entry->dword.val = val;
    }
    *(DWORD *)ptr_param = entry->bool.val;
    return TRUE;
}

/* set a dword (binary) parameter in the registry */
static BOOL set_dword_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param, UINT flags )
{
    DWORD val = PtrToUlong( ptr_param );

    if (!save_entry( &entry->hdr, &val, sizeof(val), REG_DWORD, flags )) return FALSE;
    entry->dword.val = val;
    entry->hdr.loaded = TRUE;
    return TRUE;
}

/* initialize a dword parameter */
static BOOL init_dword_entry( union sysparam_all_entry *entry )
{
    return init_entry( &entry->hdr, &entry->dword.val, sizeof(entry->dword.val), REG_DWORD );
}

/* load an RGB parameter from the registry */
static BOOL get_rgb_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param )
{
    if (!ptr_param) return FALSE;

    if (!entry->hdr.loaded)
    {
        WCHAR buf[32];

        if (load_entry( &entry->hdr, buf, sizeof(buf) ))
        {
            DWORD r, g, b;
            WCHAR *end, *str = buf;

            r = strtoulW( str, &end, 10 );
            if (end == str || !*end) goto done;
            str = end + 1;
            g = strtoulW( str, &end, 10 );
            if (end == str || !*end) goto done;
            str = end + 1;
            b = strtoulW( str, &end, 10 );
            if (end == str) goto done;
            if (r > 255 || g > 255 || b > 255) goto done;
            entry->rgb.val = RGB( r, g, b );
        }
    }
done:
    *(COLORREF *)ptr_param = entry->rgb.val;
    return TRUE;
}

/* set an RGB parameter in the registry */
static BOOL set_rgb_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param, UINT flags )
{
    WCHAR buf[32];
    HBRUSH brush;
    HPEN pen;

    wsprintfW( buf, CSrgb, GetRValue(int_param), GetGValue(int_param), GetBValue(int_param) );
    if (!save_entry_string( &entry->hdr, buf, flags )) return FALSE;
    entry->rgb.val = int_param;
    entry->hdr.loaded = TRUE;
    if ((brush = InterlockedExchangePointer( (void **)&entry->rgb.brush, 0 )))
    {
        __wine_make_gdi_object_system( brush, FALSE );
        DeleteObject( brush );
    }
    if ((pen = InterlockedExchangePointer( (void **)&entry->rgb.pen, 0 )))
    {
        __wine_make_gdi_object_system( pen, FALSE );
        DeleteObject( pen );
    }
    return TRUE;
}

/* initialize an RGB parameter */
static BOOL init_rgb_entry( union sysparam_all_entry *entry )
{
    WCHAR buf[32];

    wsprintfW( buf, CSrgb, GetRValue(entry->rgb.val), GetGValue(entry->rgb.val), GetBValue(entry->rgb.val) );
    return init_entry_string( &entry->hdr, buf );
}

/* load a font (binary) parameter from the registry */
static BOOL get_font_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param )
{
    if (!ptr_param) return FALSE;

    if (!entry->hdr.loaded)
    {
        LOGFONTW font;

        switch (load_entry( &entry->hdr, &font, sizeof(font) ))
        {
        case sizeof(font):
            if (font.lfHeight > 0) /* positive height value means points ( inch/72 ) */
                font.lfHeight = -MulDiv( font.lfHeight, get_display_dpi(), 72 );
            entry->font.val = font;
            break;
        case sizeof(LOGFONT16): /* win9x-winME format */
            SYSPARAMS_LogFont16To32W( (LOGFONT16 *)&font, &entry->font.val );
            if (entry->font.val.lfHeight > 0)
                entry->font.val.lfHeight = -MulDiv( entry->font.val.lfHeight, get_display_dpi(), 72 );
            break;
        default:
            WARN( "Unknown format in key %s value %s\n",
                  debugstr_w( parameter_key_names[entry->hdr.regval[0]] ),
                  debugstr_w( entry->hdr.regval + 1 ));
            /* fall through */
        case 0: /* use the default GUI font */
            GetObjectW( GetStockObject( DEFAULT_GUI_FONT ), sizeof(font), &font );
            font.lfWeight = entry->font.weight;
            entry->font.val = font;
            break;
        }
        entry->hdr.loaded = TRUE;
    }
    *(LOGFONTW *)ptr_param = entry->font.val;
    return TRUE;
}

/* set a font (binary) parameter in the registry */
static BOOL set_font_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param, UINT flags )
{
    LOGFONTW font;
    WCHAR *ptr;

    memcpy( &font, ptr_param, sizeof(font) );
    /* zero pad the end of lfFaceName so we don't save uninitialised data */
    ptr = memchrW( font.lfFaceName, 0, LF_FACESIZE );
    if (ptr) memset( ptr, 0, (font.lfFaceName + LF_FACESIZE - ptr) * sizeof(WCHAR) );

    if (!save_entry( &entry->hdr, &font, sizeof(font), REG_BINARY, flags )) return FALSE;
    entry->font.val = font;
    entry->hdr.loaded = TRUE;
    return TRUE;
}

/* initialize a font (binary) parameter */
static BOOL init_font_entry( union sysparam_all_entry *entry )
{
    GetObjectW( GetStockObject( DEFAULT_GUI_FONT ), sizeof(entry->font.val), &entry->font.val );
    entry->font.val.lfWeight = entry->font.weight;
    return init_entry( &entry->hdr, &entry->font.val, sizeof(entry->font.val), REG_BINARY );
}

/* get a path parameter in the registry */
static BOOL get_path_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param )
{
    if (!ptr_param) return FALSE;

    if (!entry->hdr.loaded)
    {
        WCHAR buffer[MAX_PATH];

        if (load_entry( &entry->hdr, buffer, sizeof(buffer) ))
            lstrcpynW( entry->path.path, buffer, MAX_PATH );
    }
    lstrcpynW( ptr_param, entry->path.path, int_param );
    return TRUE;
}

/* set a path parameter in the registry */
static BOOL set_path_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param, UINT flags )
{
    WCHAR buffer[MAX_PATH];
    BOOL ret;

    lstrcpynW( buffer, ptr_param, MAX_PATH );
    ret = save_entry_string( &entry->hdr, buffer, flags );
    if (ret)
    {
        strcpyW( entry->path.path, buffer );
        entry->hdr.loaded = TRUE;
    }
    return ret;
}

/* initialize a path parameter */
static BOOL init_path_entry( union sysparam_all_entry *entry )
{
    return init_entry_string( &entry->hdr, entry->path.path );
}

/* get a binary parameter in the registry */
static BOOL get_binary_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param )
{
    if (!ptr_param) return FALSE;

    if (!entry->hdr.loaded)
    {
        void *buffer = HeapAlloc( GetProcessHeap(), 0, entry->bin.size );
        DWORD len = load_entry( &entry->hdr, buffer, entry->bin.size );

        if (len)
        {
            memcpy( entry->bin.ptr, buffer, entry->bin.size );
            memset( (char *)entry->bin.ptr + len, 0, entry->bin.size - len );
        }
        HeapFree( GetProcessHeap(), 0, buffer );
    }
    memcpy( ptr_param, entry->bin.ptr, min( int_param, entry->bin.size ) );
    return TRUE;
}

/* set a binary parameter in the registry */
static BOOL set_binary_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param, UINT flags )
{
    BOOL ret;
    void *buffer = HeapAlloc( GetProcessHeap(), 0, entry->bin.size );

    memcpy( buffer, entry->bin.ptr, entry->bin.size );
    memcpy( buffer, ptr_param, min( int_param, entry->bin.size ));
    ret = save_entry( &entry->hdr, buffer, entry->bin.size, REG_BINARY, flags );
    if (ret)
    {
        memcpy( entry->bin.ptr, buffer, entry->bin.size );
        entry->hdr.loaded = TRUE;
    }
    HeapFree( GetProcessHeap(), 0, buffer );
    return ret;
}

/* initialize a binary parameter */
static BOOL init_binary_entry( union sysparam_all_entry *entry )
{
    return init_entry( &entry->hdr, entry->bin.ptr, entry->bin.size, REG_BINARY );
}

/* get a user pref parameter in the registry */
static BOOL get_userpref_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param )
{
    union sysparam_all_entry *parent_entry = (union sysparam_all_entry *)entry->pref.parent;
    BYTE prefs[8];

    if (!ptr_param) return FALSE;

    if (!parent_entry->hdr.get( parent_entry, sizeof(prefs), prefs )) return FALSE;
    *(BOOL *)ptr_param = (prefs[entry->pref.offset] & entry->pref.mask) != 0;
    return TRUE;
}

/* set a user pref parameter in the registry */
static BOOL set_userpref_entry( union sysparam_all_entry *entry, UINT int_param, void *ptr_param, UINT flags )
{
    union sysparam_all_entry *parent_entry = (union sysparam_all_entry *)entry->pref.parent;
    BYTE prefs[8];

    parent_entry->hdr.loaded = FALSE;  /* force loading it again */
    if (!parent_entry->hdr.get( parent_entry, sizeof(prefs), prefs )) return FALSE;

    if (PtrToUlong( ptr_param )) prefs[entry->pref.offset] |= entry->pref.mask;
    else prefs[entry->pref.offset] &= ~entry->pref.mask;

    return parent_entry->hdr.set( parent_entry, sizeof(prefs), prefs, flags );
}

static BOOL get_entry( void *ptr, UINT int_param, void *ptr_param )
{
    union sysparam_all_entry *entry = ptr;
    return entry->hdr.get( entry, int_param, ptr_param );
}

static BOOL set_entry( void *ptr, UINT int_param, void *ptr_param, UINT flags )
{
    union sysparam_all_entry *entry = ptr;
    return entry->hdr.set( entry, int_param, ptr_param, flags );
}

#define UINT_ENTRY(name,val) \
    struct sysparam_uint_entry entry_##name = { { get_uint_entry, set_uint_entry, init_uint_entry, \
                                                  name ##_VALNAME }, (val) }

#define UINT_ENTRY_MIRROR(name,val) \
    struct sysparam_uint_entry entry_##name = { { get_uint_entry, set_uint_entry, init_uint_entry, \
                                                  name ##_VALNAME, name ##_MIRROR }, (val) }

#define INT_ENTRY(name,val) \
    struct sysparam_uint_entry entry_##name = { { get_uint_entry, set_int_entry, init_int_entry, \
                                                  name ##_VALNAME }, (val) }

#define BOOL_ENTRY(name,val) \
    struct sysparam_bool_entry entry_##name = { { get_bool_entry, set_bool_entry, init_bool_entry, \
                                                  name ##_VALNAME }, (val) }

#define BOOL_ENTRY_MIRROR(name,val) \
    struct sysparam_bool_entry entry_##name = { { get_bool_entry, set_bool_entry, init_bool_entry, \
                                                  name ##_VALNAME, name ##_MIRROR }, (val) }

#define YESNO_ENTRY(name,val) \
    struct sysparam_bool_entry entry_##name = { { get_yesno_entry, set_yesno_entry, init_yesno_entry, \
                                                  name ##_VALNAME }, (val) }

#define TWIPS_ENTRY(name,val) \
    struct sysparam_uint_entry entry_##name = { { get_twips_entry, set_int_entry, init_int_entry, \
                                                  name ##_VALNAME }, (val) }

#define DWORD_ENTRY(name,val) \
    struct sysparam_dword_entry entry_##name = { { get_dword_entry, set_dword_entry, init_dword_entry, \
                                                   name ##_VALNAME }, (val) }

#define BINARY_ENTRY(name,data) \
    struct sysparam_binary_entry entry_##name = { { get_binary_entry, set_binary_entry, init_binary_entry, \
                                                    name ##_VALNAME }, data, sizeof(data) }

#define PATH_ENTRY(name) \
    struct sysparam_path_entry entry_##name = { { get_path_entry, set_path_entry, init_path_entry, \
                                                  name ##_VALNAME } }

#define FONT_ENTRY(name,weight) \
    struct sysparam_font_entry entry_##name = { { get_font_entry, set_font_entry, init_font_entry, \
                                                  name ##_VALNAME }, (weight) }

#define USERPREF_ENTRY(name,offset,mask) \
    struct sysparam_pref_entry entry_##name = { { get_userpref_entry, set_userpref_entry }, \
                                                &entry_USERPREFERENCESMASK, (offset), (mask) }

static UINT_ENTRY( DRAGWIDTH, 4 );
static UINT_ENTRY( DRAGHEIGHT, 4 );
static UINT_ENTRY( DOUBLECLICKTIME, 500 );
static UINT_ENTRY( FONTSMOOTHING, 2 );
static UINT_ENTRY( GRIDGRANULARITY, 0 );
static UINT_ENTRY( ICONSIZE, 32 );
static UINT_ENTRY( KEYBOARDDELAY, 1 );
static UINT_ENTRY( KEYBOARDSPEED, 31 );
static UINT_ENTRY( MENUSHOWDELAY, 400 );
static UINT_ENTRY( MINARRANGE, ARW_HIDE );
static UINT_ENTRY( MINHORZGAP, 0 );
static UINT_ENTRY( MINVERTGAP, 0 );
static UINT_ENTRY( MINWIDTH, 154 );
static UINT_ENTRY( MOUSEHOVERHEIGHT, 4 );
static UINT_ENTRY( MOUSEHOVERTIME, 400 );
static UINT_ENTRY( MOUSEHOVERWIDTH, 4 );
static UINT_ENTRY( MOUSESPEED, 10 );
static UINT_ENTRY( MOUSETRAILS, 0 );
static UINT_ENTRY( SCREENSAVETIMEOUT, 300 );
static UINT_ENTRY( WHEELSCROLLCHARS, 3 );
static UINT_ENTRY( WHEELSCROLLLINES, 3 );
static UINT_ENTRY_MIRROR( DOUBLECLKHEIGHT, 4 );
static UINT_ENTRY_MIRROR( DOUBLECLKWIDTH, 4 );
static UINT_ENTRY_MIRROR( MENUDROPALIGNMENT, 0 );

static INT_ENTRY( MOUSETHRESHOLD1, 6 );
static INT_ENTRY( MOUSETHRESHOLD2, 10 );
static INT_ENTRY( MOUSEACCELERATION, 1 );

static BOOL_ENTRY( BLOCKSENDINPUTRESETS, FALSE );
static BOOL_ENTRY( DRAGFULLWINDOWS, FALSE );
static BOOL_ENTRY( KEYBOARDPREF, TRUE );
static BOOL_ENTRY( LOWPOWERACTIVE, FALSE );
static BOOL_ENTRY( MOUSEBUTTONSWAP, FALSE );
static BOOL_ENTRY( POWEROFFACTIVE, FALSE );
static BOOL_ENTRY( SCREENREADER, FALSE );
static BOOL_ENTRY( SCREENSAVEACTIVE, TRUE );
static BOOL_ENTRY( SCREENSAVERRUNNING, FALSE );
static BOOL_ENTRY( SHOWSOUNDS, FALSE );
static BOOL_ENTRY( SNAPTODEFBUTTON, FALSE );
static BOOL_ENTRY_MIRROR( ICONTITLEWRAP, TRUE );

static YESNO_ENTRY( BEEP, TRUE );

static TWIPS_ENTRY( BORDER, -15 );
static TWIPS_ENTRY( CAPTIONHEIGHT, -270 );
static TWIPS_ENTRY( CAPTIONWIDTH, -270 );
static TWIPS_ENTRY( ICONHORIZONTALSPACING, -1125 );
static TWIPS_ENTRY( ICONVERTICALSPACING, -1125 );
static TWIPS_ENTRY( MENUHEIGHT, -270 );
static TWIPS_ENTRY( MENUWIDTH, -270 );
static TWIPS_ENTRY( PADDEDBORDERWIDTH, 0 );
static TWIPS_ENTRY( SCROLLHEIGHT, -240 );
static TWIPS_ENTRY( SCROLLWIDTH, -240 );
static TWIPS_ENTRY( SMCAPTIONHEIGHT, -225 );
static TWIPS_ENTRY( SMCAPTIONWIDTH, -225 );

static DWORD_ENTRY( ACTIVEWINDOWTRACKING, 0 );
static DWORD_ENTRY( ACTIVEWNDTRKTIMEOUT, 0 );
static DWORD_ENTRY( CARETWIDTH, 1 );
static DWORD_ENTRY( FOCUSBORDERHEIGHT, 1 );
static DWORD_ENTRY( FOCUSBORDERWIDTH, 1 );
static DWORD_ENTRY( FONTSMOOTHINGCONTRAST, 0 );
static DWORD_ENTRY( FONTSMOOTHINGORIENTATION, FE_FONTSMOOTHINGORIENTATIONRGB );
static DWORD_ENTRY( FONTSMOOTHINGTYPE, FE_FONTSMOOTHINGSTANDARD );
static DWORD_ENTRY( FOREGROUNDFLASHCOUNT, 3 );
static DWORD_ENTRY( FOREGROUNDLOCKTIMEOUT, 0 );
static DWORD_ENTRY( MOUSECLICKLOCKTIME, 1200 );

static PATH_ENTRY( DESKPATTERN );
static PATH_ENTRY( DESKWALLPAPER );

static BYTE user_prefs[8] = { 0x30, 0x00, 0x00, 0x80, 0x10, 0x00, 0x00, 0x00 };
static BINARY_ENTRY( USERPREFERENCESMASK, user_prefs );

static FONT_ENTRY( CAPTIONLOGFONT, FW_BOLD );
static FONT_ENTRY( ICONTITLELOGFONT, FW_NORMAL );
static FONT_ENTRY( MENULOGFONT, FW_NORMAL );
static FONT_ENTRY( MESSAGELOGFONT, FW_NORMAL );
static FONT_ENTRY( SMCAPTIONLOGFONT, FW_NORMAL );
static FONT_ENTRY( STATUSLOGFONT, FW_NORMAL );

static USERPREF_ENTRY( MENUANIMATION,            0, 0x02 );
static USERPREF_ENTRY( COMBOBOXANIMATION,        0, 0x04 );
static USERPREF_ENTRY( LISTBOXSMOOTHSCROLLING,   0, 0x08 );
static USERPREF_ENTRY( GRADIENTCAPTIONS,         0, 0x10 );
static USERPREF_ENTRY( KEYBOARDCUES,             0, 0x20 );
static USERPREF_ENTRY( ACTIVEWNDTRKZORDER,       0, 0x40 );
static USERPREF_ENTRY( HOTTRACKING,              0, 0x80 );
static USERPREF_ENTRY( MENUFADE,                 1, 0x02 );
static USERPREF_ENTRY( SELECTIONFADE,            1, 0x04 );
static USERPREF_ENTRY( TOOLTIPANIMATION,         1, 0x08 );
static USERPREF_ENTRY( TOOLTIPFADE,              1, 0x10 );
static USERPREF_ENTRY( CURSORSHADOW,             1, 0x20 );
static USERPREF_ENTRY( MOUSESONAR,               1, 0x40 );
static USERPREF_ENTRY( MOUSECLICKLOCK,           1, 0x80 );
static USERPREF_ENTRY( MOUSEVANISH,              2, 0x01 );
static USERPREF_ENTRY( FLATMENU,                 2, 0x02 );
static USERPREF_ENTRY( DROPSHADOW,               2, 0x04 );
static USERPREF_ENTRY( UIEFFECTS,                3, 0x80 );
static USERPREF_ENTRY( DISABLEOVERLAPPEDCONTENT, 4, 0x01 );
static USERPREF_ENTRY( CLIENTAREAANIMATION,      4, 0x02 );
static USERPREF_ENTRY( CLEARTYPE,                4, 0x10 );
static USERPREF_ENTRY( SPEECHRECOGNITION,        4, 0x20 );

static struct sysparam_rgb_entry system_colors[] =
{
#define RGB_ENTRY(name,val) { { get_rgb_entry, set_rgb_entry, init_rgb_entry, name ##_VALNAME }, (val) }
    RGB_ENTRY( COLOR_SCROLLBAR, RGB(212, 208, 200) ),
    RGB_ENTRY( COLOR_BACKGROUND, RGB(58, 110, 165) ),
    RGB_ENTRY( COLOR_ACTIVECAPTION, RGB(10, 36, 106) ),
    RGB_ENTRY( COLOR_INACTIVECAPTION, RGB(128, 128, 128) ),
    RGB_ENTRY( COLOR_MENU, RGB(212, 208, 200) ),
    RGB_ENTRY( COLOR_WINDOW, RGB(255, 255, 255) ),
    RGB_ENTRY( COLOR_WINDOWFRAME, RGB(0, 0, 0) ),
    RGB_ENTRY( COLOR_MENUTEXT, RGB(0, 0, 0) ),
    RGB_ENTRY( COLOR_WINDOWTEXT, RGB(0, 0, 0) ),
    RGB_ENTRY( COLOR_CAPTIONTEXT, RGB(255, 255, 255) ),
    RGB_ENTRY( COLOR_ACTIVEBORDER, RGB(212, 208, 200) ),
    RGB_ENTRY( COLOR_INACTIVEBORDER, RGB(212, 208, 200) ),
    RGB_ENTRY( COLOR_APPWORKSPACE, RGB(128, 128, 128) ),
    RGB_ENTRY( COLOR_HIGHLIGHT, RGB(10, 36, 106) ),
    RGB_ENTRY( COLOR_HIGHLIGHTTEXT, RGB(255, 255, 255) ),
    RGB_ENTRY( COLOR_BTNFACE, RGB(212, 208, 200) ),
    RGB_ENTRY( COLOR_BTNSHADOW, RGB(128, 128, 128) ),
    RGB_ENTRY( COLOR_GRAYTEXT, RGB(128, 128, 128) ),
    RGB_ENTRY( COLOR_BTNTEXT, RGB(0, 0, 0) ),
    RGB_ENTRY( COLOR_INACTIVECAPTIONTEXT, RGB(212, 208, 200) ),
    RGB_ENTRY( COLOR_BTNHIGHLIGHT, RGB(255, 255, 255) ),
    RGB_ENTRY( COLOR_3DDKSHADOW, RGB(64, 64, 64) ),
    RGB_ENTRY( COLOR_3DLIGHT, RGB(212, 208, 200) ),
    RGB_ENTRY( COLOR_INFOTEXT, RGB(0, 0, 0) ),
    RGB_ENTRY( COLOR_INFOBK, RGB(255, 255, 225) ),
    RGB_ENTRY( COLOR_ALTERNATEBTNFACE, RGB(181, 181, 181) ),
    RGB_ENTRY( COLOR_HOTLIGHT, RGB(0, 0, 200) ),
    RGB_ENTRY( COLOR_GRADIENTACTIVECAPTION, RGB(166, 202, 240) ),
    RGB_ENTRY( COLOR_GRADIENTINACTIVECAPTION, RGB(192, 192, 192) ),
    RGB_ENTRY( COLOR_MENUHILIGHT, RGB(10, 36, 106) ),
    RGB_ENTRY( COLOR_MENUBAR, RGB(212, 208, 200) )
#undef RGB_ENTRY
};
#define NUM_SYS_COLORS (sizeof(system_colors) / sizeof(system_colors[0]))

/* entries that are initialized by default in the registry */
static union sysparam_all_entry * const default_entries[] =
{
    (union sysparam_all_entry *)&entry_ACTIVEWINDOWTRACKING,
    (union sysparam_all_entry *)&entry_ACTIVEWNDTRKTIMEOUT,
    (union sysparam_all_entry *)&entry_BEEP,
    (union sysparam_all_entry *)&entry_BLOCKSENDINPUTRESETS,
    (union sysparam_all_entry *)&entry_BORDER,
    (union sysparam_all_entry *)&entry_CAPTIONHEIGHT,
    (union sysparam_all_entry *)&entry_CAPTIONWIDTH,
    (union sysparam_all_entry *)&entry_CARETWIDTH,
    (union sysparam_all_entry *)&entry_DESKWALLPAPER,
    (union sysparam_all_entry *)&entry_DOUBLECLICKTIME,
    (union sysparam_all_entry *)&entry_DOUBLECLKHEIGHT,
    (union sysparam_all_entry *)&entry_DOUBLECLKWIDTH,
    (union sysparam_all_entry *)&entry_DRAGFULLWINDOWS,
    (union sysparam_all_entry *)&entry_DRAGHEIGHT,
    (union sysparam_all_entry *)&entry_DRAGWIDTH,
    (union sysparam_all_entry *)&entry_FOCUSBORDERHEIGHT,
    (union sysparam_all_entry *)&entry_FOCUSBORDERWIDTH,
    (union sysparam_all_entry *)&entry_FONTSMOOTHING,
    (union sysparam_all_entry *)&entry_FONTSMOOTHINGCONTRAST,
    (union sysparam_all_entry *)&entry_FONTSMOOTHINGORIENTATION,
    (union sysparam_all_entry *)&entry_FONTSMOOTHINGTYPE,
    (union sysparam_all_entry *)&entry_FOREGROUNDFLASHCOUNT,
    (union sysparam_all_entry *)&entry_FOREGROUNDLOCKTIMEOUT,
    (union sysparam_all_entry *)&entry_ICONHORIZONTALSPACING,
    (union sysparam_all_entry *)&entry_ICONSIZE,
    (union sysparam_all_entry *)&entry_ICONTITLEWRAP,
    (union sysparam_all_entry *)&entry_ICONVERTICALSPACING,
    (union sysparam_all_entry *)&entry_KEYBOARDDELAY,
    (union sysparam_all_entry *)&entry_KEYBOARDPREF,
    (union sysparam_all_entry *)&entry_KEYBOARDSPEED,
    (union sysparam_all_entry *)&entry_LOWPOWERACTIVE,
    (union sysparam_all_entry *)&entry_MENUHEIGHT,
    (union sysparam_all_entry *)&entry_MENUSHOWDELAY,
    (union sysparam_all_entry *)&entry_MENUWIDTH,
    (union sysparam_all_entry *)&entry_MOUSEACCELERATION,
    (union sysparam_all_entry *)&entry_MOUSEBUTTONSWAP,
    (union sysparam_all_entry *)&entry_MOUSECLICKLOCKTIME,
    (union sysparam_all_entry *)&entry_MOUSEHOVERHEIGHT,
    (union sysparam_all_entry *)&entry_MOUSEHOVERTIME,
    (union sysparam_all_entry *)&entry_MOUSEHOVERWIDTH,
    (union sysparam_all_entry *)&entry_MOUSESPEED,
    (union sysparam_all_entry *)&entry_MOUSETHRESHOLD1,
    (union sysparam_all_entry *)&entry_MOUSETHRESHOLD2,
    (union sysparam_all_entry *)&entry_PADDEDBORDERWIDTH,
    (union sysparam_all_entry *)&entry_SCREENREADER,
    (union sysparam_all_entry *)&entry_SCROLLHEIGHT,
    (union sysparam_all_entry *)&entry_SCROLLWIDTH,
    (union sysparam_all_entry *)&entry_SHOWSOUNDS,
    (union sysparam_all_entry *)&entry_SMCAPTIONHEIGHT,
    (union sysparam_all_entry *)&entry_SMCAPTIONWIDTH,
    (union sysparam_all_entry *)&entry_SNAPTODEFBUTTON,
    (union sysparam_all_entry *)&entry_USERPREFERENCESMASK,
    (union sysparam_all_entry *)&entry_WHEELSCROLLCHARS,
    (union sysparam_all_entry *)&entry_WHEELSCROLLLINES,
};

/***********************************************************************
 *           SYSPARAMS_Init
 */
void SYSPARAMS_Init(void)
{
    HKEY key;
    DWORD i, dispos;

    /* this one must be non-volatile */
    if (RegCreateKeyW( HKEY_CURRENT_USER, WINE_CURRENT_USER_REGKEY, &key ))
    {
        ERR("Can't create wine registry branch\n");
        return;
    }

    /* @@ Wine registry key: HKCU\Software\Wine\Temporary System Parameters */
    if (RegCreateKeyExW( key, WINE_CURRENT_USER_REGKEY_TEMP_PARAMS, 0, 0,
                         REG_OPTION_VOLATILE, KEY_ALL_ACCESS, 0, &volatile_base_key, &dispos ))
        ERR("Can't create non-permanent wine registry branch\n");

    RegCloseKey( key );

    if (volatile_base_key && dispos == REG_CREATED_NEW_KEY)  /* first process, initialize entries */
    {
        for (i = 0; i < sizeof(default_entries)/sizeof(default_entries[0]); i++)
            default_entries[i]->hdr.init( default_entries[i] );
    }
}

static BOOL update_desktop_wallpaper(void)
{
    DWORD pid;

    if (GetWindowThreadProcessId( GetDesktopWindow(), &pid ) && pid == GetCurrentProcessId())
    {
        WCHAR wallpaper[MAX_PATH], pattern[256];

        entry_DESKWALLPAPER.hdr.loaded = entry_DESKPATTERN.hdr.loaded = FALSE;
        if (get_entry( &entry_DESKWALLPAPER, MAX_PATH, wallpaper ) &&
            get_entry( &entry_DESKPATTERN, 256, pattern ))
            update_wallpaper( wallpaper, pattern );
    }
    else SendMessageW( GetDesktopWindow(), WM_SETTINGCHANGE, SPI_SETDESKWALLPAPER, 0 );
    return TRUE;
}

/***********************************************************************
 *		SystemParametersInfoW (USER32.@)
 *
 *     Each system parameter has flag which shows whether the parameter
 * is loaded or not. Parameters, stored directly in SysParametersInfo are
 * loaded from registry only when they are requested and the flag is
 * "false", after the loading the flag is set to "true". On interprocess
 * notification of the parameter change the corresponding parameter flag is
 * set to "false". The parameter value will be reloaded when it is requested
 * the next time.
 *     Parameters, backed by or depend on GetSystemMetrics are processed
 * differently. These parameters are always loaded. They are reloaded right
 * away on interprocess change notification. We can't do lazy loading because
 * we don't want to complicate GetSystemMetrics.
 *     Parameters, backed by X settings are read from corresponding setting.
 * On the parameter change request the setting is changed. Interprocess change
 * notifications are ignored.
 *     When parameter value is updated the changed value is stored in permanent
 * registry branch if saving is requested. Otherwise it is stored
 * in temporary branch
 *
 * Some SPI values can also be stored as Twips values in the registry,
 * don't forget the conversion!
 */
BOOL WINAPI SystemParametersInfoW( UINT uiAction, UINT uiParam,
				   PVOID pvParam, UINT fWinIni )
{
#define WINE_SPI_FIXME(x) \
    case x: \
        { \
            static BOOL warn = TRUE; \
            if (warn) \
            { \
                warn = FALSE; \
                FIXME( "Unimplemented action: %u (%s)\n", x, #x ); \
            } \
        } \
        SetLastError( ERROR_INVALID_SPI_VALUE ); \
        ret = FALSE; \
        break
#define WINE_SPI_WARN(x) \
    case x: \
        WARN( "Ignored action: %u (%s)\n", x, #x ); \
        ret = TRUE; \
        break

    BOOL ret = USER_Driver->pSystemParametersInfo( uiAction, uiParam, pvParam, fWinIni );
    unsigned spi_idx = 0;

    if (!ret) switch (uiAction)
    {
    case SPI_GETBEEP:
        ret = get_entry( &entry_BEEP, uiParam, pvParam );
        break;
    case SPI_SETBEEP:
        ret = set_entry( &entry_BEEP, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETMOUSE:
        ret = get_entry( &entry_MOUSETHRESHOLD1, uiParam, (INT *)pvParam ) &&
              get_entry( &entry_MOUSETHRESHOLD2, uiParam, (INT *)pvParam + 1 ) &&
              get_entry( &entry_MOUSEACCELERATION, uiParam, (INT *)pvParam + 2 );
        break;
    case SPI_SETMOUSE:
        ret = set_entry( &entry_MOUSETHRESHOLD1, ((INT *)pvParam)[0], pvParam, fWinIni ) &&
              set_entry( &entry_MOUSETHRESHOLD2, ((INT *)pvParam)[1], pvParam, fWinIni ) &&
              set_entry( &entry_MOUSEACCELERATION, ((INT *)pvParam)[2], pvParam, fWinIni );
        break;
    case SPI_GETBORDER:
        ret = get_entry( &entry_BORDER, uiParam, pvParam );
        if (*(INT*)pvParam < 1) *(INT*)pvParam = 1;
        break;
    case SPI_SETBORDER:
        ret = set_entry( &entry_BORDER, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETKEYBOARDSPEED:
        ret = get_entry( &entry_KEYBOARDSPEED, uiParam, pvParam );
        break;
    case SPI_SETKEYBOARDSPEED:
        if (uiParam > 31) uiParam = 31;
        ret = set_entry( &entry_KEYBOARDSPEED, uiParam, pvParam, fWinIni );
        break;

    /* not implemented in Windows */
    WINE_SPI_WARN(SPI_LANGDRIVER);              /*     12 */

    case SPI_ICONHORIZONTALSPACING:
        if (pvParam != NULL)
            ret = get_entry( &entry_ICONHORIZONTALSPACING, uiParam, pvParam );
        else
            ret = set_entry( &entry_ICONHORIZONTALSPACING, max( 32, uiParam ), pvParam, fWinIni );
        break;
    case SPI_GETSCREENSAVETIMEOUT:
        ret = get_entry( &entry_SCREENSAVETIMEOUT, uiParam, pvParam );
        break;
    case SPI_SETSCREENSAVETIMEOUT:
        ret = set_entry( &entry_SCREENSAVETIMEOUT, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETSCREENSAVEACTIVE:
        ret = get_entry( &entry_SCREENSAVEACTIVE, uiParam, pvParam );
        break;
    case SPI_SETSCREENSAVEACTIVE:
        ret = set_entry( &entry_SCREENSAVEACTIVE, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETGRIDGRANULARITY:
        ret = get_entry( &entry_GRIDGRANULARITY, uiParam, pvParam );
        break;
    case SPI_SETGRIDGRANULARITY:
        ret = set_entry( &entry_GRIDGRANULARITY, uiParam, pvParam, fWinIni );
        break;
    case SPI_SETDESKWALLPAPER:
        if (!pvParam || set_entry( &entry_DESKWALLPAPER, uiParam, pvParam, fWinIni ))
            ret = update_desktop_wallpaper();
        break;
    case SPI_SETDESKPATTERN:
        if (!pvParam || set_entry( &entry_DESKPATTERN, uiParam, pvParam, fWinIni ))
            ret = update_desktop_wallpaper();
        break;
    case SPI_GETKEYBOARDDELAY:
        ret = get_entry( &entry_KEYBOARDDELAY, uiParam, pvParam );
        break;
    case SPI_SETKEYBOARDDELAY:
        ret = set_entry( &entry_KEYBOARDDELAY, uiParam, pvParam, fWinIni );
        break;
    case SPI_ICONVERTICALSPACING:
        if (pvParam != NULL)
            ret = get_entry( &entry_ICONVERTICALSPACING, uiParam, pvParam );
        else
            ret = set_entry( &entry_ICONVERTICALSPACING, max( 32, uiParam ), pvParam, fWinIni );
        break;
    case SPI_GETICONTITLEWRAP:
        ret = get_entry( &entry_ICONTITLEWRAP, uiParam, pvParam );
        break;
    case SPI_SETICONTITLEWRAP:
        ret = set_entry( &entry_ICONTITLEWRAP, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETMENUDROPALIGNMENT:
        ret = get_entry( &entry_MENUDROPALIGNMENT, uiParam, pvParam );
        break;
    case SPI_SETMENUDROPALIGNMENT:
        ret = set_entry( &entry_MENUDROPALIGNMENT, uiParam, pvParam, fWinIni );
        break;
    case SPI_SETDOUBLECLKWIDTH:
        ret = set_entry( &entry_DOUBLECLKWIDTH, uiParam, pvParam, fWinIni );
        break;
    case SPI_SETDOUBLECLKHEIGHT:
        ret = set_entry( &entry_DOUBLECLKHEIGHT, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETICONTITLELOGFONT:
        ret = get_entry( &entry_ICONTITLELOGFONT, uiParam, pvParam );
        break;
    case SPI_SETDOUBLECLICKTIME:
        ret = set_entry( &entry_DOUBLECLICKTIME, uiParam, pvParam, fWinIni );
        break;
    case SPI_SETMOUSEBUTTONSWAP:
        ret = set_entry( &entry_MOUSEBUTTONSWAP, uiParam, pvParam, fWinIni );
        break;
    case SPI_SETICONTITLELOGFONT:
        ret = set_entry( &entry_ICONTITLELOGFONT, uiParam, pvParam, fWinIni );
        break;

    case SPI_GETFASTTASKSWITCH:			/*     35 */
        if (!pvParam) return FALSE;
        *(BOOL *)pvParam = TRUE;
        ret = TRUE;
        break;

    case SPI_SETFASTTASKSWITCH:                 /*     36 */
        /* the action is disabled */
        ret = FALSE;
        break;

    case SPI_SETDRAGFULLWINDOWS:
        ret = set_entry( &entry_DRAGFULLWINDOWS, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETDRAGFULLWINDOWS:
        ret = get_entry( &entry_DRAGFULLWINDOWS, uiParam, pvParam );
        break;
    case SPI_GETNONCLIENTMETRICS:
    {
        LPNONCLIENTMETRICSW lpnm = pvParam;

        if (!pvParam) return FALSE;

        ret = get_entry( &entry_BORDER, 0, &lpnm->iBorderWidth ) &&
              get_entry( &entry_SCROLLWIDTH, 0, &lpnm->iScrollWidth ) &&
              get_entry( &entry_SCROLLHEIGHT, 0, &lpnm->iScrollHeight ) &&
              get_entry( &entry_CAPTIONWIDTH, 0, &lpnm->iCaptionWidth ) &&
              get_entry( &entry_CAPTIONHEIGHT, 0, &lpnm->iCaptionHeight ) &&
              get_entry( &entry_CAPTIONLOGFONT, 0, &lpnm->lfCaptionFont ) &&
              get_entry( &entry_SMCAPTIONWIDTH, 0, &lpnm->iSmCaptionWidth ) &&
              get_entry( &entry_SMCAPTIONHEIGHT, 0, &lpnm->iSmCaptionHeight ) &&
              get_entry( &entry_SMCAPTIONLOGFONT, 0, &lpnm->lfSmCaptionFont ) &&
              get_entry( &entry_MENUWIDTH, 0, &lpnm->iMenuWidth ) &&
              get_entry( &entry_MENUHEIGHT, 0, &lpnm->iMenuHeight ) &&
              get_entry( &entry_MENULOGFONT, 0, &lpnm->lfMenuFont ) &&
              get_entry( &entry_STATUSLOGFONT, 0, &lpnm->lfStatusFont ) &&
              get_entry( &entry_MESSAGELOGFONT, 0, &lpnm->lfMessageFont );
        if (ret && lpnm->cbSize == sizeof(NONCLIENTMETRICSW))
            ret = get_entry( &entry_PADDEDBORDERWIDTH, 0, &lpnm->iPaddedBorderWidth );
        normalize_nonclientmetrics( lpnm );
        break;
    }
    case SPI_SETNONCLIENTMETRICS:
    {
        LPNONCLIENTMETRICSW lpnm = pvParam;

        if (lpnm && (lpnm->cbSize == sizeof(NONCLIENTMETRICSW) ||
                     lpnm->cbSize == FIELD_OFFSET(NONCLIENTMETRICSW, iPaddedBorderWidth)))
        {
            ret = set_entry( &entry_BORDER, lpnm->iBorderWidth, NULL, fWinIni ) &&
                  set_entry( &entry_SCROLLWIDTH, lpnm->iScrollWidth, NULL, fWinIni ) &&
                  set_entry( &entry_SCROLLHEIGHT, lpnm->iScrollHeight, NULL, fWinIni ) &&
                  set_entry( &entry_CAPTIONWIDTH, lpnm->iCaptionWidth, NULL, fWinIni ) &&
                  set_entry( &entry_CAPTIONHEIGHT, lpnm->iCaptionHeight, NULL, fWinIni ) &&
                  set_entry( &entry_SMCAPTIONWIDTH, lpnm->iSmCaptionWidth, NULL, fWinIni ) &&
                  set_entry( &entry_SMCAPTIONHEIGHT, lpnm->iSmCaptionHeight, NULL, fWinIni ) &&
                  set_entry( &entry_MENUWIDTH, lpnm->iMenuWidth, NULL, fWinIni ) &&
                  set_entry( &entry_MENUHEIGHT, lpnm->iMenuHeight, NULL, fWinIni ) &&
                  set_entry( &entry_MENULOGFONT, 0, &lpnm->lfMenuFont, fWinIni ) &&
                  set_entry( &entry_CAPTIONLOGFONT, 0, &lpnm->lfCaptionFont, fWinIni ) &&
                  set_entry( &entry_SMCAPTIONLOGFONT, 0, &lpnm->lfSmCaptionFont, fWinIni ) &&
                  set_entry( &entry_STATUSLOGFONT, 0, &lpnm->lfStatusFont, fWinIni ) &&
                  set_entry( &entry_MESSAGELOGFONT, 0, &lpnm->lfMessageFont, fWinIni );

            if (ret && lpnm->cbSize == sizeof(NONCLIENTMETRICSW))
                set_entry( &entry_PADDEDBORDERWIDTH, lpnm->iPaddedBorderWidth, NULL, fWinIni );
        }
        break;
    }
    case SPI_GETMINIMIZEDMETRICS:
    {
        MINIMIZEDMETRICS * lpMm = pvParam;
        if (lpMm && lpMm->cbSize == sizeof(*lpMm)) {
            ret = get_entry( &entry_MINWIDTH, 0, &lpMm->iWidth ) &&
                  get_entry( &entry_MINHORZGAP, 0, &lpMm->iHorzGap ) &&
                  get_entry( &entry_MINVERTGAP, 0, &lpMm->iVertGap ) &&
                  get_entry( &entry_MINARRANGE, 0, &lpMm->iArrange );
            lpMm->iWidth = max( 0, lpMm->iWidth );
            lpMm->iHorzGap = max( 0, lpMm->iHorzGap );
            lpMm->iVertGap = max( 0, lpMm->iVertGap );
            lpMm->iArrange &= 0x0f;
        }
        break;
    }
    case SPI_SETMINIMIZEDMETRICS:
    {
        MINIMIZEDMETRICS * lpMm = pvParam;
        if (lpMm && lpMm->cbSize == sizeof(*lpMm))
            ret = set_entry( &entry_MINWIDTH, max( 0, lpMm->iWidth ), NULL, fWinIni ) &&
                  set_entry( &entry_MINHORZGAP, max( 0, lpMm->iHorzGap ), NULL, fWinIni ) &&
                  set_entry( &entry_MINVERTGAP, max( 0, lpMm->iVertGap ), NULL, fWinIni ) &&
                  set_entry( &entry_MINARRANGE, lpMm->iArrange & 0x0f, NULL, fWinIni );
        break;
    }
    case SPI_GETICONMETRICS:
    {
	LPICONMETRICSW lpIcon = pvParam;
	if(lpIcon && lpIcon->cbSize == sizeof(*lpIcon))
	{
            ret = get_entry( &entry_ICONHORIZONTALSPACING, 0, &lpIcon->iHorzSpacing ) &&
                  get_entry( &entry_ICONVERTICALSPACING, 0, &lpIcon->iVertSpacing ) &&
                  get_entry( &entry_ICONTITLEWRAP, 0, &lpIcon->iTitleWrap ) &&
                  get_entry( &entry_ICONTITLELOGFONT, 0, &lpIcon->lfFont );
	}
	break;
    }
    case SPI_SETICONMETRICS:
    {
        LPICONMETRICSW lpIcon = pvParam;
        if (lpIcon && lpIcon->cbSize == sizeof(*lpIcon))
            ret = set_entry( &entry_ICONVERTICALSPACING, max(32,lpIcon->iVertSpacing), NULL, fWinIni ) &&
                  set_entry( &entry_ICONHORIZONTALSPACING, max(32,lpIcon->iHorzSpacing), NULL, fWinIni ) &&
                  set_entry( &entry_ICONTITLEWRAP, lpIcon->iTitleWrap, NULL, fWinIni ) &&
                  set_entry( &entry_ICONTITLELOGFONT, 0, &lpIcon->lfFont, fWinIni );
        break;
    }

    case SPI_SETWORKAREA:                       /*     47  WINVER >= 0x400 */
    {
        if (!pvParam) return FALSE;

        spi_idx = SPI_SETWORKAREA_IDX;
        work_area = *(RECT*)pvParam;
        spi_loaded[spi_idx] = TRUE;
        ret = TRUE;
        break;
    }

    case SPI_GETWORKAREA:                       /*     48  WINVER >= 0x400 */
    {
        if (!pvParam) return FALSE;

        spi_idx = SPI_SETWORKAREA_IDX;
        if (!spi_loaded[spi_idx])
        {
            SetRect( &work_area, 0, 0,
                     GetSystemMetrics( SM_CXSCREEN ),
                     GetSystemMetrics( SM_CYSCREEN ) );
            EnumDisplayMonitors( 0, NULL, enum_monitors, (LPARAM)&work_area );
            spi_loaded[spi_idx] = TRUE;
        }
        *(RECT*)pvParam = work_area;
        ret = TRUE;
        TRACE("work area %s\n", wine_dbgstr_rect( &work_area ));
        break;
    }

    WINE_SPI_FIXME(SPI_SETPENWINDOWS);		/*     49  WINVER >= 0x400 */

    case SPI_GETFILTERKEYS:                     /*     50 */
    {
        LPFILTERKEYS lpFilterKeys = pvParam;
        WARN("SPI_GETFILTERKEYS not fully implemented\n");
        if (lpFilterKeys && lpFilterKeys->cbSize == sizeof(FILTERKEYS))
        {
            /* Indicate that no FilterKeys feature available */
            lpFilterKeys->dwFlags = 0;
            lpFilterKeys->iWaitMSec = 0;
            lpFilterKeys->iDelayMSec = 0;
            lpFilterKeys->iRepeatMSec = 0;
            lpFilterKeys->iBounceMSec = 0;
            ret = TRUE;
        }
        break;
    }
    WINE_SPI_FIXME(SPI_SETFILTERKEYS);		/*     51 */

    case SPI_GETTOGGLEKEYS:                     /*     52 */
    {
        LPTOGGLEKEYS lpToggleKeys = pvParam;
        WARN("SPI_GETTOGGLEKEYS not fully implemented\n");
        if (lpToggleKeys && lpToggleKeys->cbSize == sizeof(TOGGLEKEYS))
        {
            /* Indicate that no ToggleKeys feature available */
            lpToggleKeys->dwFlags = 0;
            ret = TRUE;
        }
        break;
    }
    WINE_SPI_FIXME(SPI_SETTOGGLEKEYS);		/*     53 */

    case SPI_GETMOUSEKEYS:                      /*     54 */
    {
        LPMOUSEKEYS lpMouseKeys = pvParam;
        WARN("SPI_GETMOUSEKEYS not fully implemented\n");
        if (lpMouseKeys && lpMouseKeys->cbSize == sizeof(MOUSEKEYS))
        {
            /* Indicate that no MouseKeys feature available */
            lpMouseKeys->dwFlags = 0;
            lpMouseKeys->iMaxSpeed = 360;
            lpMouseKeys->iTimeToMaxSpeed = 1000;
            lpMouseKeys->iCtrlSpeed = 0;
            lpMouseKeys->dwReserved1 = 0;
            lpMouseKeys->dwReserved2 = 0;
            ret = TRUE;
        }
        break;
    }
    WINE_SPI_FIXME(SPI_SETMOUSEKEYS);		/*     55 */

    case SPI_GETSHOWSOUNDS:
        ret = get_entry( &entry_SHOWSOUNDS, uiParam, pvParam );
        break;
    case SPI_SETSHOWSOUNDS:
        ret = set_entry( &entry_SHOWSOUNDS, uiParam, pvParam, fWinIni );
        break;

    case SPI_GETSTICKYKEYS:                     /*     58 */
    {
        LPSTICKYKEYS lpStickyKeys = pvParam;
        WARN("SPI_GETSTICKYKEYS not fully implemented\n");
        if (lpStickyKeys && lpStickyKeys->cbSize == sizeof(STICKYKEYS))
        {
            /* Indicate that no StickyKeys feature available */
            lpStickyKeys->dwFlags = 0;
            ret = TRUE;
        }
        break;
    }
    WINE_SPI_FIXME(SPI_SETSTICKYKEYS);		/*     59 */

    case SPI_GETACCESSTIMEOUT:                  /*     60 */
    {
        LPACCESSTIMEOUT lpAccessTimeout = pvParam;
        WARN("SPI_GETACCESSTIMEOUT not fully implemented\n");
        if (lpAccessTimeout && lpAccessTimeout->cbSize == sizeof(ACCESSTIMEOUT))
        {
            /* Indicate that no accessibility features timeout is available */
            lpAccessTimeout->dwFlags = 0;
            lpAccessTimeout->iTimeOutMSec = 0;
            ret = TRUE;
        }
        break;
    }
    WINE_SPI_FIXME(SPI_SETACCESSTIMEOUT);	/*     61 */

    case SPI_GETSERIALKEYS:                     /*     62  WINVER >= 0x400 */
    {
        LPSERIALKEYSW lpSerialKeysW = pvParam;
        WARN("SPI_GETSERIALKEYS not fully implemented\n");
        if (lpSerialKeysW && lpSerialKeysW->cbSize == sizeof(SERIALKEYSW))
        {
            /* Indicate that no SerialKeys feature available */
            lpSerialKeysW->dwFlags = 0;
            lpSerialKeysW->lpszActivePort = NULL;
            lpSerialKeysW->lpszPort = NULL;
            lpSerialKeysW->iBaudRate = 0;
            lpSerialKeysW->iPortState = 0;
            ret = TRUE;
        }
        break;
    }
    WINE_SPI_FIXME(SPI_SETSERIALKEYS);		/*     63  WINVER >= 0x400 */

    case SPI_GETSOUNDSENTRY:                    /*     64 */
    {
        LPSOUNDSENTRYW lpSoundSentryW = pvParam;
        WARN("SPI_GETSOUNDSENTRY not fully implemented\n");
        if (lpSoundSentryW && lpSoundSentryW->cbSize == sizeof(SOUNDSENTRYW))
        {
            /* Indicate that no SoundSentry feature available */
            lpSoundSentryW->dwFlags = 0;
            lpSoundSentryW->iFSTextEffect = 0;
            lpSoundSentryW->iFSTextEffectMSec = 0;
            lpSoundSentryW->iFSTextEffectColorBits = 0;
            lpSoundSentryW->iFSGrafEffect = 0;
            lpSoundSentryW->iFSGrafEffectMSec = 0;
            lpSoundSentryW->iFSGrafEffectColor = 0;
            lpSoundSentryW->iWindowsEffect = 0;
            lpSoundSentryW->iWindowsEffectMSec = 0;
            lpSoundSentryW->lpszWindowsEffectDLL = 0;
            lpSoundSentryW->iWindowsEffectOrdinal = 0;
            ret = TRUE;
        }
        break;
    }
    WINE_SPI_FIXME(SPI_SETSOUNDSENTRY);		/*     65 */

    case SPI_GETHIGHCONTRAST:			/*     66  WINVER >= 0x400 */
    {
        LPHIGHCONTRASTW lpHighContrastW = pvParam;
	WARN("SPI_GETHIGHCONTRAST not fully implemented\n");
	if (lpHighContrastW && lpHighContrastW->cbSize == sizeof(HIGHCONTRASTW))
	{
	    /* Indicate that no high contrast feature available */
	    lpHighContrastW->dwFlags = 0;
	    lpHighContrastW->lpszDefaultScheme = NULL;
            ret = TRUE;
	}
	break;
    }
    WINE_SPI_FIXME(SPI_SETHIGHCONTRAST);	/*     67  WINVER >= 0x400 */

    case SPI_GETKEYBOARDPREF:
        ret = get_entry( &entry_KEYBOARDPREF, uiParam, pvParam );
        break;
    case SPI_SETKEYBOARDPREF:
        ret = set_entry( &entry_KEYBOARDPREF, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETSCREENREADER:
        ret = get_entry( &entry_SCREENREADER, uiParam, pvParam );
        break;
    case SPI_SETSCREENREADER:
        ret = set_entry( &entry_SCREENREADER, uiParam, pvParam, fWinIni );
        break;

    case SPI_GETANIMATION:			/*     72  WINVER >= 0x400 */
    {
        LPANIMATIONINFO lpAnimInfo = pvParam;

	/* Tell it "disabled" */
	if (lpAnimInfo && lpAnimInfo->cbSize == sizeof(ANIMATIONINFO))
        {
	    lpAnimInfo->iMinAnimate = 0; /* Minimise and restore animation is disabled (nonzero == enabled) */
            ret = TRUE;
        }
	break;
    }
    WINE_SPI_WARN(SPI_SETANIMATION);		/*     73  WINVER >= 0x400 */

    case SPI_GETFONTSMOOTHING:
        ret = get_entry( &entry_FONTSMOOTHING, uiParam, pvParam );
        if (ret) *(UINT *)pvParam = (*(UINT *)pvParam != 0);
        break;
    case SPI_SETFONTSMOOTHING:
        uiParam = uiParam ? 2 : 0; /* Win NT4/2k/XP behavior */
        ret = set_entry( &entry_FONTSMOOTHING, uiParam, pvParam, fWinIni );
        break;
    case SPI_SETDRAGWIDTH:
        ret = set_entry( &entry_DRAGWIDTH, uiParam, pvParam, fWinIni );
        break;
    case SPI_SETDRAGHEIGHT:
        ret = set_entry( &entry_DRAGHEIGHT, uiParam, pvParam, fWinIni );
        break;

    WINE_SPI_FIXME(SPI_SETHANDHELD);		/*     78  WINVER >= 0x400 */

    WINE_SPI_FIXME(SPI_GETLOWPOWERTIMEOUT);	/*     79  WINVER >= 0x400 */
    WINE_SPI_FIXME(SPI_GETPOWEROFFTIMEOUT);	/*     80  WINVER >= 0x400 */
    WINE_SPI_FIXME(SPI_SETLOWPOWERTIMEOUT);	/*     81  WINVER >= 0x400 */
    WINE_SPI_FIXME(SPI_SETPOWEROFFTIMEOUT);	/*     82  WINVER >= 0x400 */

    case SPI_GETLOWPOWERACTIVE:
        ret = get_entry( &entry_LOWPOWERACTIVE, uiParam, pvParam );
        break;
    case SPI_SETLOWPOWERACTIVE:
        ret = set_entry( &entry_LOWPOWERACTIVE, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETPOWEROFFACTIVE:
        ret = get_entry( &entry_POWEROFFACTIVE, uiParam, pvParam );
        break;
    case SPI_SETPOWEROFFACTIVE:
        ret = set_entry( &entry_POWEROFFACTIVE, uiParam, pvParam, fWinIni );
        break;

    WINE_SPI_FIXME(SPI_SETCURSORS);		/*     87  WINVER >= 0x400 */
    WINE_SPI_FIXME(SPI_SETICONS);		/*     88  WINVER >= 0x400 */

    case SPI_GETDEFAULTINPUTLANG: 	/*     89  WINVER >= 0x400 */
        ret = GetKeyboardLayout(0) != 0;
        break;

    WINE_SPI_FIXME(SPI_SETDEFAULTINPUTLANG);	/*     90  WINVER >= 0x400 */

    WINE_SPI_FIXME(SPI_SETLANGTOGGLE);		/*     91  WINVER >= 0x400 */

    case SPI_GETWINDOWSEXTENSION:		/*     92  WINVER >= 0x400 */
	WARN("pretend no support for Win9x Plus! for now.\n");
	ret = FALSE; /* yes, this is the result value */
	break;
    case SPI_SETMOUSETRAILS:
        ret = set_entry( &entry_MOUSETRAILS, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETMOUSETRAILS:
        ret = get_entry( &entry_MOUSETRAILS, uiParam, pvParam );
        break;
    case SPI_GETSNAPTODEFBUTTON:
        ret = get_entry( &entry_SNAPTODEFBUTTON, uiParam, pvParam );
        break;
    case SPI_SETSNAPTODEFBUTTON:
        ret = set_entry( &entry_SNAPTODEFBUTTON, uiParam, pvParam, fWinIni );
        break;
    case SPI_SETSCREENSAVERRUNNING:
        ret = set_entry( &entry_SCREENSAVERRUNNING, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETMOUSEHOVERWIDTH:
        ret = get_entry( &entry_MOUSEHOVERWIDTH, uiParam, pvParam );
        break;
    case SPI_SETMOUSEHOVERWIDTH:
        ret = set_entry( &entry_MOUSEHOVERWIDTH, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETMOUSEHOVERHEIGHT:
        ret = get_entry( &entry_MOUSEHOVERHEIGHT, uiParam, pvParam );
        break;
    case SPI_SETMOUSEHOVERHEIGHT:
        ret = set_entry( &entry_MOUSEHOVERHEIGHT, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETMOUSEHOVERTIME:
        ret = get_entry( &entry_MOUSEHOVERTIME, uiParam, pvParam );
        break;
    case SPI_SETMOUSEHOVERTIME:
        ret = set_entry( &entry_MOUSEHOVERTIME, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETWHEELSCROLLLINES:
        ret = get_entry( &entry_WHEELSCROLLLINES, uiParam, pvParam );
        break;
    case SPI_SETWHEELSCROLLLINES:
        ret = set_entry( &entry_WHEELSCROLLLINES, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETMENUSHOWDELAY:
        ret = get_entry( &entry_MENUSHOWDELAY, uiParam, pvParam );
        break;
    case SPI_SETMENUSHOWDELAY:
        ret = set_entry( &entry_MENUSHOWDELAY, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETWHEELSCROLLCHARS:
        ret = get_entry( &entry_WHEELSCROLLCHARS, uiParam, pvParam );
        break;
    case SPI_SETWHEELSCROLLCHARS:
        ret = set_entry( &entry_WHEELSCROLLCHARS, uiParam, pvParam, fWinIni );
        break;

    WINE_SPI_FIXME(SPI_GETSHOWIMEUI);		/*    110  _WIN32_WINNT >= 0x400 || _WIN32_WINDOW > 0x400 */
    WINE_SPI_FIXME(SPI_SETSHOWIMEUI);		/*    111  _WIN32_WINNT >= 0x400 || _WIN32_WINDOW > 0x400 */

    case SPI_GETMOUSESPEED:
        ret = get_entry( &entry_MOUSESPEED, uiParam, pvParam );
        break;
    case SPI_SETMOUSESPEED:
        ret = set_entry( &entry_MOUSESPEED, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETSCREENSAVERRUNNING:
        ret = get_entry( &entry_SCREENSAVERRUNNING, uiParam, pvParam );
        break;
    case SPI_GETDESKWALLPAPER:
        ret = get_entry( &entry_DESKWALLPAPER, uiParam, pvParam );
        break;
    case SPI_GETACTIVEWINDOWTRACKING:
        ret = get_entry( &entry_ACTIVEWINDOWTRACKING, uiParam, pvParam );
        break;
    case SPI_SETACTIVEWINDOWTRACKING:
        ret = set_entry( &entry_ACTIVEWINDOWTRACKING, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETMENUANIMATION:
        ret = get_entry( &entry_MENUANIMATION, uiParam, pvParam );
        break;
    case SPI_SETMENUANIMATION:
        ret = set_entry( &entry_MENUANIMATION, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETCOMBOBOXANIMATION:
        ret = get_entry( &entry_COMBOBOXANIMATION, uiParam, pvParam );
        break;
    case SPI_SETCOMBOBOXANIMATION:
        ret = set_entry( &entry_COMBOBOXANIMATION, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETLISTBOXSMOOTHSCROLLING:
        ret = get_entry( &entry_LISTBOXSMOOTHSCROLLING, uiParam, pvParam );
        break;
    case SPI_SETLISTBOXSMOOTHSCROLLING:
        ret = set_entry( &entry_LISTBOXSMOOTHSCROLLING, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETGRADIENTCAPTIONS:
        ret = get_entry( &entry_GRADIENTCAPTIONS, uiParam, pvParam );
        break;
    case SPI_SETGRADIENTCAPTIONS:
        ret = set_entry( &entry_GRADIENTCAPTIONS, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETKEYBOARDCUES:
        ret = get_entry( &entry_KEYBOARDCUES, uiParam, pvParam );
        break;
    case SPI_SETKEYBOARDCUES:
        ret = set_entry( &entry_KEYBOARDCUES, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETACTIVEWNDTRKZORDER:
        ret = get_entry( &entry_ACTIVEWNDTRKZORDER, uiParam, pvParam );
        break;
    case SPI_SETACTIVEWNDTRKZORDER:
        ret = set_entry( &entry_ACTIVEWNDTRKZORDER, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETHOTTRACKING:
        ret = get_entry( &entry_HOTTRACKING, uiParam, pvParam );
        break;
    case SPI_SETHOTTRACKING:
        ret = set_entry( &entry_HOTTRACKING, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETMENUFADE:
        ret = get_entry( &entry_MENUFADE, uiParam, pvParam );
        break;
    case SPI_SETMENUFADE:
        ret = set_entry( &entry_MENUFADE, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETSELECTIONFADE:
        ret = get_entry( &entry_SELECTIONFADE, uiParam, pvParam );
        break;
    case SPI_SETSELECTIONFADE:
        ret = set_entry( &entry_SELECTIONFADE, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETTOOLTIPANIMATION:
        ret = get_entry( &entry_TOOLTIPANIMATION, uiParam, pvParam );
        break;
    case SPI_SETTOOLTIPANIMATION:
        ret = set_entry( &entry_TOOLTIPANIMATION, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETTOOLTIPFADE:
        ret = get_entry( &entry_TOOLTIPFADE, uiParam, pvParam );
        break;
    case SPI_SETTOOLTIPFADE:
        ret = set_entry( &entry_TOOLTIPFADE, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETCURSORSHADOW:
        ret = get_entry( &entry_CURSORSHADOW, uiParam, pvParam );
        break;
    case SPI_SETCURSORSHADOW:
        ret = set_entry( &entry_CURSORSHADOW, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETMOUSESONAR:
        ret = get_entry( &entry_MOUSESONAR, uiParam, pvParam );
        break;
    case SPI_SETMOUSESONAR:
        ret = set_entry( &entry_MOUSESONAR, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETMOUSECLICKLOCK:
        ret = get_entry( &entry_MOUSECLICKLOCK, uiParam, pvParam );
        break;
    case SPI_SETMOUSECLICKLOCK:
        ret = set_entry( &entry_MOUSECLICKLOCK, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETMOUSEVANISH:
        ret = get_entry( &entry_MOUSEVANISH, uiParam, pvParam );
        break;
    case SPI_SETMOUSEVANISH:
        ret = set_entry( &entry_MOUSEVANISH, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETFLATMENU:
        ret = get_entry( &entry_FLATMENU, uiParam, pvParam );
        break;
    case SPI_SETFLATMENU:
        ret = set_entry( &entry_FLATMENU, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETDROPSHADOW:
        ret = get_entry( &entry_DROPSHADOW, uiParam, pvParam );
        break;
    case SPI_SETDROPSHADOW:
        ret = set_entry( &entry_DROPSHADOW, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETBLOCKSENDINPUTRESETS:
        ret = get_entry( &entry_BLOCKSENDINPUTRESETS, uiParam, pvParam );
        break;
    case SPI_SETBLOCKSENDINPUTRESETS:
        ret = set_entry( &entry_BLOCKSENDINPUTRESETS, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETUIEFFECTS:
        ret = get_entry( &entry_UIEFFECTS, uiParam, pvParam );
        break;
    case SPI_SETUIEFFECTS:
        /* FIXME: this probably should mask other UI effect values when unset */
        ret = set_entry( &entry_UIEFFECTS, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETDISABLEOVERLAPPEDCONTENT:
        ret = get_entry( &entry_DISABLEOVERLAPPEDCONTENT, uiParam, pvParam );
        break;
    case SPI_SETDISABLEOVERLAPPEDCONTENT:
        ret = set_entry( &entry_DISABLEOVERLAPPEDCONTENT, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETCLIENTAREAANIMATION:
        ret = get_entry( &entry_CLIENTAREAANIMATION, uiParam, pvParam );
        break;
    case SPI_SETCLIENTAREAANIMATION:
        ret = set_entry( &entry_CLIENTAREAANIMATION, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETCLEARTYPE:
        ret = get_entry( &entry_CLEARTYPE, uiParam, pvParam );
        break;
    case SPI_SETCLEARTYPE:
        ret = set_entry( &entry_CLEARTYPE, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETSPEECHRECOGNITION:
        ret = get_entry( &entry_SPEECHRECOGNITION, uiParam, pvParam );
        break;
    case SPI_SETSPEECHRECOGNITION:
        ret = set_entry( &entry_SPEECHRECOGNITION, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETFOREGROUNDLOCKTIMEOUT:
        ret = get_entry( &entry_FOREGROUNDLOCKTIMEOUT, uiParam, pvParam );
        break;
    case SPI_SETFOREGROUNDLOCKTIMEOUT:
        /* FIXME: this should check that the calling thread
         * is able to change the foreground window */
        ret = set_entry( &entry_FOREGROUNDLOCKTIMEOUT, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETACTIVEWNDTRKTIMEOUT:
        ret = get_entry( &entry_ACTIVEWNDTRKTIMEOUT, uiParam, pvParam );
        break;
    case SPI_SETACTIVEWNDTRKTIMEOUT:
        ret = get_entry( &entry_ACTIVEWNDTRKTIMEOUT, uiParam, pvParam );
        break;
    case SPI_GETFOREGROUNDFLASHCOUNT:
        ret = get_entry( &entry_FOREGROUNDFLASHCOUNT, uiParam, pvParam );
        break;
    case SPI_SETFOREGROUNDFLASHCOUNT:
        ret = set_entry( &entry_FOREGROUNDFLASHCOUNT, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETCARETWIDTH:
        ret = get_entry( &entry_CARETWIDTH, uiParam, pvParam );
        break;
    case SPI_SETCARETWIDTH:
        ret = set_entry( &entry_CARETWIDTH, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETMOUSECLICKLOCKTIME:
        ret = get_entry( &entry_MOUSECLICKLOCKTIME, uiParam, pvParam );
        break;
    case SPI_SETMOUSECLICKLOCKTIME:
        ret = set_entry( &entry_MOUSECLICKLOCKTIME, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETFONTSMOOTHINGTYPE:
        ret = get_entry( &entry_FONTSMOOTHINGTYPE, uiParam, pvParam );
        break;
    case SPI_SETFONTSMOOTHINGTYPE:
        ret = set_entry( &entry_FONTSMOOTHINGTYPE, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETFONTSMOOTHINGCONTRAST:
        ret = get_entry( &entry_FONTSMOOTHINGCONTRAST, uiParam, pvParam );
        break;
    case SPI_SETFONTSMOOTHINGCONTRAST:
        ret = set_entry( &entry_FONTSMOOTHINGCONTRAST, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETFOCUSBORDERWIDTH:
        ret = get_entry( &entry_FOCUSBORDERWIDTH, uiParam, pvParam );
        break;
    case SPI_GETFOCUSBORDERHEIGHT:
        ret = get_entry( &entry_FOCUSBORDERHEIGHT, uiParam, pvParam );
        break;
    case SPI_SETFOCUSBORDERWIDTH:
        ret = set_entry( &entry_FOCUSBORDERWIDTH, uiParam, pvParam, fWinIni );
        break;
    case SPI_SETFOCUSBORDERHEIGHT:
        ret = set_entry( &entry_FOCUSBORDERHEIGHT, uiParam, pvParam, fWinIni );
        break;
    case SPI_GETFONTSMOOTHINGORIENTATION:
        ret = get_entry( &entry_FONTSMOOTHINGORIENTATION, uiParam, pvParam );
        break;
    case SPI_SETFONTSMOOTHINGORIENTATION:
        ret = set_entry( &entry_FONTSMOOTHINGORIENTATION, uiParam, pvParam, fWinIni );
        break;

    default:
	FIXME( "Unknown action: %u\n", uiAction );
	SetLastError( ERROR_INVALID_SPI_VALUE );
	ret = FALSE;
	break;
    }

    if (ret)
        SYSPARAMS_NotifyChange( uiAction, fWinIni );
    TRACE("(%u, %u, %p, %u) ret %d\n",
            uiAction, uiParam, pvParam, fWinIni, ret);
    return ret;

#undef WINE_SPI_FIXME
#undef WINE_SPI_WARN
}


/***********************************************************************
 *		SystemParametersInfoA (USER32.@)
 */
BOOL WINAPI SystemParametersInfoA( UINT uiAction, UINT uiParam,
				   PVOID pvParam, UINT fuWinIni )
{
    BOOL ret;

    TRACE("(%u, %u, %p, %u)\n", uiAction, uiParam, pvParam, fuWinIni);

    switch (uiAction)
    {
    case SPI_SETDESKWALLPAPER:			/*     20 */
    case SPI_SETDESKPATTERN:			/*     21 */
    {
	WCHAR buffer[256];
	if (pvParam)
            if (!MultiByteToWideChar( CP_ACP, 0, pvParam, -1, buffer,
                                      sizeof(buffer)/sizeof(WCHAR) ))
                buffer[sizeof(buffer)/sizeof(WCHAR)-1] = 0;
	ret = SystemParametersInfoW( uiAction, uiParam, pvParam ? buffer : NULL, fuWinIni );
	break;
    }

    case SPI_GETICONTITLELOGFONT:		/*     31 */
    {
	LOGFONTW tmp;
	ret = SystemParametersInfoW( uiAction, uiParam, pvParam ? &tmp : NULL, fuWinIni );
	if (ret && pvParam)
            SYSPARAMS_LogFont32WTo32A( &tmp, pvParam );
	break;
    }

    case SPI_GETNONCLIENTMETRICS: 		/*     41  WINVER >= 0x400 */
    {
	NONCLIENTMETRICSW tmp;
        LPNONCLIENTMETRICSA lpnmA = pvParam;
        if (lpnmA && (lpnmA->cbSize == sizeof(NONCLIENTMETRICSA) ||
                      lpnmA->cbSize == FIELD_OFFSET(NONCLIENTMETRICSA, iPaddedBorderWidth)))
	{
	    tmp.cbSize = sizeof(NONCLIENTMETRICSW);
	    ret = SystemParametersInfoW( uiAction, uiParam, &tmp, fuWinIni );
	    if (ret)
		SYSPARAMS_NonClientMetrics32WTo32A( &tmp, lpnmA );
	}
	else
	    ret = FALSE;
	break;
    }

    case SPI_SETNONCLIENTMETRICS: 		/*     42  WINVER >= 0x400 */
    {
        NONCLIENTMETRICSW tmp;
        LPNONCLIENTMETRICSA lpnmA = pvParam;
        if (lpnmA && (lpnmA->cbSize == sizeof(NONCLIENTMETRICSA) ||
                      lpnmA->cbSize == FIELD_OFFSET(NONCLIENTMETRICSA, iPaddedBorderWidth)))
        {
            tmp.cbSize = sizeof(NONCLIENTMETRICSW);
            SYSPARAMS_NonClientMetrics32ATo32W( lpnmA, &tmp );
            ret = SystemParametersInfoW( uiAction, uiParam, &tmp, fuWinIni );
        }
        else
            ret = FALSE;
        break;
    }

    case SPI_GETICONMETRICS:			/*     45  WINVER >= 0x400 */
    {
	ICONMETRICSW tmp;
        LPICONMETRICSA lpimA = pvParam;
	if (lpimA && lpimA->cbSize == sizeof(ICONMETRICSA))
	{
	    tmp.cbSize = sizeof(ICONMETRICSW);
	    ret = SystemParametersInfoW( uiAction, uiParam, &tmp, fuWinIni );
	    if (ret)
	    {
		lpimA->iHorzSpacing = tmp.iHorzSpacing;
		lpimA->iVertSpacing = tmp.iVertSpacing;
		lpimA->iTitleWrap   = tmp.iTitleWrap;
		SYSPARAMS_LogFont32WTo32A( &tmp.lfFont, &lpimA->lfFont );
	    }
	}
	else
	    ret = FALSE;
	break;
    }

    case SPI_SETICONMETRICS:			/*     46  WINVER >= 0x400 */
    {
        ICONMETRICSW tmp;
        LPICONMETRICSA lpimA = pvParam;
        if (lpimA && lpimA->cbSize == sizeof(ICONMETRICSA))
        {
            tmp.cbSize = sizeof(ICONMETRICSW);
            tmp.iHorzSpacing = lpimA->iHorzSpacing;
            tmp.iVertSpacing = lpimA->iVertSpacing;
            tmp.iTitleWrap = lpimA->iTitleWrap;
            SYSPARAMS_LogFont32ATo32W(  &lpimA->lfFont, &tmp.lfFont);
            ret = SystemParametersInfoW( uiAction, uiParam, &tmp, fuWinIni );
        }
        else
            ret = FALSE;
        break;
    }

    case SPI_GETHIGHCONTRAST:			/*     66  WINVER >= 0x400 */
    {
	HIGHCONTRASTW tmp;
        LPHIGHCONTRASTA lphcA = pvParam;
	if (lphcA && lphcA->cbSize == sizeof(HIGHCONTRASTA))
	{
	    tmp.cbSize = sizeof(HIGHCONTRASTW);
	    ret = SystemParametersInfoW( uiAction, uiParam, &tmp, fuWinIni );
	    if (ret)
	    {
		lphcA->dwFlags = tmp.dwFlags;
		lphcA->lpszDefaultScheme = NULL;  /* FIXME? */
	    }
	}
	else
	    ret = FALSE;
	break;
    }

    case SPI_GETDESKWALLPAPER:                  /*     115 */
    {
        WCHAR buffer[MAX_PATH];
        ret = (SystemParametersInfoW( SPI_GETDESKWALLPAPER, uiParam, buffer, fuWinIni ) &&
               WideCharToMultiByte(CP_ACP, 0, buffer, -1, pvParam, uiParam, NULL, NULL));
        break;
    }

    default:
        ret = SystemParametersInfoW( uiAction, uiParam, pvParam, fuWinIni );
        break;
    }
    return ret;
}


/***********************************************************************
 *		GetSystemMetrics (USER32.@)
 */
INT WINAPI GetSystemMetrics( INT index )
{
    NONCLIENTMETRICSW ncm;
    UINT ret;

    /* some metrics are dynamic */
    switch (index)
    {
    case SM_CXSCREEN:
        return GetDeviceCaps( get_display_dc(), HORZRES );
    case SM_CYSCREEN:
        return GetDeviceCaps( get_display_dc(), VERTRES );
    case SM_CXVSCROLL:
    case SM_CYHSCROLL:
        get_entry( &entry_SCROLLWIDTH, 0, &ret );
        return max( 8, ret );
    case SM_CYCAPTION:
        return GetSystemMetrics( SM_CYSIZE ) + 1;
    case SM_CXBORDER:
    case SM_CYBORDER:
        /* SM_C{X,Y}BORDER always returns 1 regardless of 'BorderWidth' value in registry */
        return 1;
    case SM_CXDLGFRAME:
    case SM_CYDLGFRAME:
        return 3;
    case SM_CYVTHUMB:
    case SM_CXHTHUMB:
    case SM_CYVSCROLL:
    case SM_CXHSCROLL:
        get_entry( &entry_SCROLLHEIGHT, 0, &ret );
        return max( 8, ret );
    case SM_CXICON:
    case SM_CYICON:
        get_entry( &entry_ICONSIZE, 0, &ret );
        return ret;
    case SM_CXCURSOR:
    case SM_CYCURSOR:
        return 32;
    case SM_CYMENU:
        return GetSystemMetrics(SM_CYMENUSIZE) + 1;
    case SM_CXFULLSCREEN:
        /* see the remark for SM_CXMAXIMIZED, at least this formulation is
         * correct */
        return GetSystemMetrics( SM_CXMAXIMIZED) - 2 * GetSystemMetrics( SM_CXFRAME);
    case SM_CYFULLSCREEN:
        /* see the remark for SM_CYMAXIMIZED, at least this formulation is
         * correct */
        return GetSystemMetrics( SM_CYMAXIMIZED) - GetSystemMetrics( SM_CYMIN);
    case SM_CYKANJIWINDOW:
        return 0;
    case SM_MOUSEPRESENT:
        return 1;
    case SM_DEBUG:
        return 0;
    case SM_SWAPBUTTON:
        get_entry( &entry_MOUSEBUTTONSWAP, 0, &ret );
        return ret;
    case SM_RESERVED1:
    case SM_RESERVED2:
    case SM_RESERVED3:
    case SM_RESERVED4:
        return 0;
    case SM_CXMIN:
        ncm.cbSize = sizeof(ncm);
        SystemParametersInfoW( SPI_GETNONCLIENTMETRICS, 0, &ncm, 0 );
        get_text_metr_size( get_display_dc(), &ncm.lfCaptionFont, NULL, &ret );
        return 3 * ncm.iCaptionWidth + ncm.iCaptionHeight + 4 * ret + 2 * GetSystemMetrics(SM_CXFRAME) + 4;
    case SM_CYMIN:
        return GetSystemMetrics( SM_CYCAPTION) + 2 * GetSystemMetrics( SM_CYFRAME);
    case SM_CXSIZE:
        get_entry( &entry_CAPTIONWIDTH, 0, &ret );
        return max( 8, ret );
    case SM_CYSIZE:
        ncm.cbSize = sizeof(ncm);
        SystemParametersInfoW( SPI_GETNONCLIENTMETRICS, 0, &ncm, 0 );
        return ncm.iCaptionHeight;
    case SM_CXFRAME:
        get_entry( &entry_BORDER, 0, &ret );
        return GetSystemMetrics(SM_CXDLGFRAME) + max( 1, ret );
    case SM_CYFRAME:
        get_entry( &entry_BORDER, 0, &ret );
        return GetSystemMetrics(SM_CYDLGFRAME) + max( 1, ret );
    case SM_CXMINTRACK:
        return GetSystemMetrics(SM_CXMIN);
    case SM_CYMINTRACK:
        return GetSystemMetrics(SM_CYMIN);
    case SM_CXDOUBLECLK:
        get_entry( &entry_DOUBLECLKWIDTH, 0, &ret );
        return ret;
    case SM_CYDOUBLECLK:
        get_entry( &entry_DOUBLECLKHEIGHT, 0, &ret );
        return ret;
    case SM_CXICONSPACING:
        get_entry( &entry_ICONHORIZONTALSPACING, 0, &ret );
        return ret;
    case SM_CYICONSPACING:
        get_entry( &entry_ICONVERTICALSPACING, 0, &ret );
        return ret;
    case SM_MENUDROPALIGNMENT:
        get_entry( &entry_MENUDROPALIGNMENT, 0, &ret );
        return ret;
    case SM_PENWINDOWS:
        return 0;
    case SM_DBCSENABLED:
    {
        CPINFO cpinfo;
        GetCPInfo( CP_ACP, &cpinfo );
        return (cpinfo.MaxCharSize > 1);
    }
    case SM_CMOUSEBUTTONS:
        return 3;
    case SM_SECURE:
        return 0;
    case SM_CXEDGE:
        return GetSystemMetrics(SM_CXBORDER) + 1;
    case SM_CYEDGE:
        return GetSystemMetrics(SM_CYBORDER) + 1;
    case SM_CXMINSPACING:
        get_entry( &entry_MINHORZGAP, 0, &ret );
        return GetSystemMetrics(SM_CXMINIMIZED) + max( 0, (INT)ret );
    case SM_CYMINSPACING:
        get_entry( &entry_MINVERTGAP, 0, &ret );
        return GetSystemMetrics(SM_CYMINIMIZED) + max( 0, (INT)ret );
    case SM_CXSMICON:
    case SM_CYSMICON:
        return 16;
    case SM_CYSMCAPTION:
        return GetSystemMetrics(SM_CYSMSIZE) + 1;
    case SM_CXSMSIZE:
        get_entry( &entry_SMCAPTIONWIDTH, 0, &ret );
        return ret;
    case SM_CYSMSIZE:
        ncm.cbSize = sizeof(ncm);
        SystemParametersInfoW( SPI_GETNONCLIENTMETRICS, 0, &ncm, 0 );
        return ncm.iSmCaptionHeight;
    case SM_CXMENUSIZE:
        get_entry( &entry_MENUWIDTH, 0, &ret );
        return ret;
    case SM_CYMENUSIZE:
        ncm.cbSize = sizeof(ncm);
        SystemParametersInfoW( SPI_GETNONCLIENTMETRICS, 0, &ncm, 0 );
        return ncm.iMenuHeight;
    case SM_ARRANGE:
        get_entry( &entry_MINARRANGE, 0, &ret );
        return ret & 0x0f;
    case SM_CXMINIMIZED:
        get_entry( &entry_MINWIDTH, 0, &ret );
        return max( 0, (INT)ret ) + 6;
    case SM_CYMINIMIZED:
        return GetSystemMetrics( SM_CYSIZE ) + 6;
    case SM_CXMAXTRACK:
        return GetSystemMetrics(SM_CXVIRTUALSCREEN) + 4 + 2 * GetSystemMetrics(SM_CXFRAME);
    case SM_CYMAXTRACK:
        return GetSystemMetrics(SM_CYVIRTUALSCREEN) + 4 + 2 * GetSystemMetrics(SM_CYFRAME);
    case SM_CXMAXIMIZED:
        /* FIXME: subtract the width of any vertical application toolbars*/
        return GetSystemMetrics(SM_CXSCREEN) + 2 * GetSystemMetrics(SM_CXFRAME);
    case SM_CYMAXIMIZED:
        /* FIXME: subtract the width of any horizontal application toolbars*/
        return GetSystemMetrics(SM_CYSCREEN) + 2 * GetSystemMetrics(SM_CYCAPTION);
    case SM_NETWORK:
        return 3;  /* FIXME */
    case SM_CLEANBOOT:
        return 0; /* 0 = ok, 1 = failsafe, 2 = failsafe + network */
    case SM_CXDRAG:
        get_entry( &entry_DRAGWIDTH, 0, &ret );
        return ret;
    case SM_CYDRAG:
        get_entry( &entry_DRAGHEIGHT, 0, &ret );
        return ret;
    case SM_SHOWSOUNDS:
        get_entry( &entry_SHOWSOUNDS, 0, &ret );
        return ret;
    case SM_CXMENUCHECK:
    case SM_CYMENUCHECK:
    {
        TEXTMETRICW tm;
        ncm.cbSize = sizeof(ncm);
        SystemParametersInfoW( SPI_GETNONCLIENTMETRICS, 0, &ncm, 0 );
        get_text_metr_size( get_display_dc(), &ncm.lfMenuFont, &tm, NULL);
        return tm.tmHeight <= 0 ? 13 : ((tm.tmHeight + tm.tmExternalLeading + 1) / 2) * 2 - 1;
    }
    case SM_SLOWMACHINE:
        return 0;  /* Never true */
    case SM_MIDEASTENABLED:
        return 0;  /* FIXME */
    case SM_MOUSEWHEELPRESENT:
        return 1;
    case SM_XVIRTUALSCREEN:
    {
        RECT rect = get_virtual_screen_rect();
        return rect.left;
    }
    case SM_YVIRTUALSCREEN:
    {
        RECT rect = get_virtual_screen_rect();
        return rect.top;
    }
    case SM_CXVIRTUALSCREEN:
    {
        RECT rect = get_virtual_screen_rect();
        return rect.right - rect.left;
    }
    case SM_CYVIRTUALSCREEN:
    {
        RECT rect = get_virtual_screen_rect();
        return rect.bottom - rect.top;
    }
    case SM_CMONITORS:
    {
        struct monitor_info info;
        get_monitors_info( &info );
        return info.count;
    }
    case SM_SAMEDISPLAYFORMAT:
        return 1;
    case SM_IMMENABLED:
        return 0;  /* FIXME */
    case SM_CXFOCUSBORDER:
    case SM_CYFOCUSBORDER:
        return 1;
    case SM_TABLETPC:
    case SM_MEDIACENTER:
        return 0;
    case SM_CMETRICS:
        return SM_CMETRICS;
    default:
        return 0;
    }
}


/***********************************************************************
 *		SwapMouseButton (USER32.@)
 *  Reverse or restore the meaning of the left and right mouse buttons
 *  fSwap  [I ] TRUE - reverse, FALSE - original
 * RETURN
 *   previous state 
 */
BOOL WINAPI SwapMouseButton( BOOL fSwap )
{
    BOOL prev = GetSystemMetrics(SM_SWAPBUTTON);
    SystemParametersInfoW(SPI_SETMOUSEBUTTONSWAP, fSwap, 0, 0);
    return prev;
}


/**********************************************************************
 *		SetDoubleClickTime (USER32.@)
 */
BOOL WINAPI SetDoubleClickTime( UINT interval )
{
    return SystemParametersInfoW(SPI_SETDOUBLECLICKTIME, interval, 0, 0);
}


/**********************************************************************
 *		GetDoubleClickTime (USER32.@)
 */
UINT WINAPI GetDoubleClickTime(void)
{
    UINT time = 0;

    get_entry( &entry_DOUBLECLICKTIME, 0, &time );
    if (!time) time = 500;
    return time;
}


/*************************************************************************
 *		GetSysColor (USER32.@)
 */
COLORREF WINAPI DECLSPEC_HOTPATCH GetSysColor( INT nIndex )
{
    COLORREF ret = 0;

    if (nIndex >= 0 && nIndex < NUM_SYS_COLORS) get_entry( &system_colors[nIndex], 0, &ret );
    return ret;
}


/*************************************************************************
 *		SetSysColors (USER32.@)
 */
BOOL WINAPI SetSysColors( INT count, const INT *colors, const COLORREF *values )
{
    int i;

    if (IS_INTRESOURCE(colors)) return FALSE; /* stupid app passes a color instead of an array */

    for (i = 0; i < count; i++)
        if (colors[i] >= 0 && colors[i] <= NUM_SYS_COLORS)
            set_entry( &system_colors[colors[i]], values[i], 0, 0 );

    /* Send WM_SYSCOLORCHANGE message to all windows */

    SendMessageTimeoutW( HWND_BROADCAST, WM_SYSCOLORCHANGE, 0, 0, SMTO_ABORTIFHUNG, 2000, NULL );

    /* Repaint affected portions of all visible windows */

    RedrawWindow( GetDesktopWindow(), NULL, 0,
                RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_ALLCHILDREN );
    return TRUE;
}


/*************************************************************************
 *		SetSysColorsTemp (USER32.@)
 */
DWORD_PTR WINAPI SetSysColorsTemp( const COLORREF *pPens, const HBRUSH *pBrushes, DWORD_PTR n)
{
    FIXME( "no longer supported\n" );
    return FALSE;
}


/***********************************************************************
 *		GetSysColorBrush (USER32.@)
 */
HBRUSH WINAPI DECLSPEC_HOTPATCH GetSysColorBrush( INT index )
{
    if (index < 0 || index >= NUM_SYS_COLORS) return 0;

    if (!system_colors[index].brush)
    {
        HBRUSH brush = CreateSolidBrush( GetSysColor( index ));
        __wine_make_gdi_object_system( brush, TRUE );
        if (InterlockedCompareExchangePointer( (void **)&system_colors[index].brush, brush, 0 ))
        {
            __wine_make_gdi_object_system( brush, FALSE );
            DeleteObject( brush );
        }
    }
    return system_colors[index].brush;
}


/***********************************************************************
 *		SYSCOLOR_GetPen
 */
HPEN SYSCOLOR_GetPen( INT index )
{
    /* We can assert here, because this function is internal to Wine */
    assert (0 <= index && index < NUM_SYS_COLORS);

    if (!system_colors[index].pen)
    {
        HPEN pen = CreatePen( PS_SOLID, 1, GetSysColor( index ));
        __wine_make_gdi_object_system( pen, TRUE );
        if (InterlockedCompareExchangePointer( (void **)&system_colors[index].pen, pen, 0 ))
        {
            __wine_make_gdi_object_system( pen, FALSE );
            DeleteObject( pen );
        }
    }
    return system_colors[index].pen;
}


/***********************************************************************
 *		SYSCOLOR_Get55AABrush
 */
HBRUSH SYSCOLOR_Get55AABrush(void)
{
    static const WORD pattern[] = { 0x5555, 0xaaaa, 0x5555, 0xaaaa, 0x5555, 0xaaaa, 0x5555, 0xaaaa };
    static HBRUSH brush_55aa;

    if (!brush_55aa)
    {
        HBITMAP bitmap = CreateBitmap( 8, 8, 1, 1, pattern );
        HBRUSH brush = CreatePatternBrush( bitmap );
        DeleteObject( bitmap );
        __wine_make_gdi_object_system( brush, TRUE );
        if (InterlockedCompareExchangePointer( (void **)&brush_55aa, brush, 0 ))
        {
            __wine_make_gdi_object_system( brush, FALSE );
            DeleteObject( brush );
        }
    }
    return brush_55aa;
}

/***********************************************************************
 *		ChangeDisplaySettingsA (USER32.@)
 */
LONG WINAPI ChangeDisplaySettingsA( LPDEVMODEA devmode, DWORD flags )
{
    if (devmode) devmode->dmDriverExtra = 0;

    return ChangeDisplaySettingsExA(NULL,devmode,NULL,flags,NULL);
}


/***********************************************************************
 *		ChangeDisplaySettingsW (USER32.@)
 */
LONG WINAPI ChangeDisplaySettingsW( LPDEVMODEW devmode, DWORD flags )
{
    if (devmode) devmode->dmDriverExtra = 0;

    return ChangeDisplaySettingsExW(NULL,devmode,NULL,flags,NULL);
}


/***********************************************************************
 *		ChangeDisplaySettingsExA (USER32.@)
 */
LONG WINAPI ChangeDisplaySettingsExA( LPCSTR devname, LPDEVMODEA devmode, HWND hwnd,
                                      DWORD flags, LPVOID lparam )
{
    LONG ret;
    UNICODE_STRING nameW;

    if (devname) RtlCreateUnicodeStringFromAsciiz(&nameW, devname);
    else nameW.Buffer = NULL;

    if (devmode)
    {
        DEVMODEW *devmodeW;

        devmodeW = GdiConvertToDevmodeW(devmode);
        if (devmodeW)
        {
            ret = ChangeDisplaySettingsExW(nameW.Buffer, devmodeW, hwnd, flags, lparam);
            HeapFree(GetProcessHeap(), 0, devmodeW);
        }
        else
            ret = DISP_CHANGE_SUCCESSFUL;
    }
    else
    {
        ret = ChangeDisplaySettingsExW(nameW.Buffer, NULL, hwnd, flags, lparam);
    }

    if (devname) RtlFreeUnicodeString(&nameW);
    return ret;
}


/***********************************************************************
 *		ChangeDisplaySettingsExW (USER32.@)
 */
LONG WINAPI ChangeDisplaySettingsExW( LPCWSTR devname, LPDEVMODEW devmode, HWND hwnd,
                                      DWORD flags, LPVOID lparam )
{
    return USER_Driver->pChangeDisplaySettingsEx( devname, devmode, hwnd, flags, lparam );
}


/***********************************************************************
 *              DisplayConfigGetDeviceInfo (USER32.@)
 */
LONG WINAPI DisplayConfigGetDeviceInfo(DISPLAYCONFIG_DEVICE_INFO_HEADER *packet)
{
    FIXME("stub: %p\n", packet);
    return ERROR_NOT_SUPPORTED;
}

/***********************************************************************
 *		EnumDisplaySettingsW (USER32.@)
 *
 * RETURNS
 *	TRUE if nth setting exists found (described in the LPDEVMODEW struct)
 *	FALSE if we do not have the nth setting
 */
BOOL WINAPI EnumDisplaySettingsW( LPCWSTR name, DWORD n, LPDEVMODEW devmode )
{
    return EnumDisplaySettingsExW(name, n, devmode, 0);
}


/***********************************************************************
 *		EnumDisplaySettingsA (USER32.@)
 */
BOOL WINAPI EnumDisplaySettingsA(LPCSTR name,DWORD n,LPDEVMODEA devmode)
{
    return EnumDisplaySettingsExA(name, n, devmode, 0);
}


/***********************************************************************
 *		EnumDisplaySettingsExA (USER32.@)
 */
BOOL WINAPI EnumDisplaySettingsExA(LPCSTR lpszDeviceName, DWORD iModeNum,
                                   LPDEVMODEA lpDevMode, DWORD dwFlags)
{
    DEVMODEW devmodeW;
    BOOL ret;
    UNICODE_STRING nameW;

    if (lpszDeviceName) RtlCreateUnicodeStringFromAsciiz(&nameW, lpszDeviceName);
    else nameW.Buffer = NULL;

    ret = EnumDisplaySettingsExW(nameW.Buffer,iModeNum,&devmodeW,dwFlags);
    if (ret)
    {
        lpDevMode->dmSize = FIELD_OFFSET(DEVMODEA, dmICMMethod);
        lpDevMode->dmSpecVersion = devmodeW.dmSpecVersion;
        lpDevMode->dmDriverVersion = devmodeW.dmDriverVersion;
        WideCharToMultiByte(CP_ACP, 0, devmodeW.dmDeviceName, -1,
                            (LPSTR)lpDevMode->dmDeviceName, CCHDEVICENAME, NULL, NULL);
        lpDevMode->dmDriverExtra      = 0; /* FIXME */
        lpDevMode->dmBitsPerPel       = devmodeW.dmBitsPerPel;
        lpDevMode->dmPelsHeight       = devmodeW.dmPelsHeight;
        lpDevMode->dmPelsWidth        = devmodeW.dmPelsWidth;
        lpDevMode->u2.dmDisplayFlags  = devmodeW.u2.dmDisplayFlags;
        lpDevMode->dmDisplayFrequency = devmodeW.dmDisplayFrequency;
        lpDevMode->dmFields           = devmodeW.dmFields;

        lpDevMode->u1.s2.dmPosition.x = devmodeW.u1.s2.dmPosition.x;
        lpDevMode->u1.s2.dmPosition.y = devmodeW.u1.s2.dmPosition.y;
        lpDevMode->u1.s2.dmDisplayOrientation = devmodeW.u1.s2.dmDisplayOrientation;
        lpDevMode->u1.s2.dmDisplayFixedOutput = devmodeW.u1.s2.dmDisplayFixedOutput;
    }
    if (lpszDeviceName) RtlFreeUnicodeString(&nameW);
    return ret;
}


/***********************************************************************
 *		EnumDisplaySettingsExW (USER32.@)
 */
BOOL WINAPI EnumDisplaySettingsExW(LPCWSTR lpszDeviceName, DWORD iModeNum,
                                   LPDEVMODEW lpDevMode, DWORD dwFlags)
{
    return USER_Driver->pEnumDisplaySettingsEx(lpszDeviceName, iModeNum, lpDevMode, dwFlags);
}

/***********************************************************************
 *              SetProcessDPIAware   (USER32.@)
 */
BOOL WINAPI SetProcessDPIAware( VOID )
{
    FIXME( "stub!\n");

    return TRUE;
}

/***********************************************************************
 *              IsProcessDPIAware   (USER32.@)
 */
BOOL WINAPI IsProcessDPIAware(void)
{
    FIXME( "stub!\n");
    return FALSE;
}