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msstyles.c

/*
 * Win32 5.1 msstyles theme format
 *
 * Copyright (C) 2003 Kevin Koltzau
 *
 * 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 <stdarg.h>
#include <stdlib.h>

#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "vfwmsgs.h"
#include "uxtheme.h"
#include "tmschema.h"

#include "msstyles.h"

#include "wine/unicode.h"
#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(uxtheme);

/***********************************************************************
 * Defines and global variables
 */

static BOOL MSSTYLES_GetNextInteger(LPCWSTR lpStringStart, LPCWSTR lpStringEnd, LPCWSTR *lpValEnd, int *value);
static BOOL MSSTYLES_GetNextToken(LPCWSTR lpStringStart, LPCWSTR lpStringEnd, LPCWSTR *lpValEnd, LPWSTR lpBuff, DWORD buffSize);
static void MSSTYLES_ParseThemeIni(PTHEME_FILE tf, BOOL setMetrics);
static HRESULT MSSTYLES_GetFont (LPCWSTR lpStringStart, LPCWSTR lpStringEnd, LPCWSTR *lpValEnd, LOGFONTW* logfont);

extern HINSTANCE hDllInst;
extern int alphaBlendMode;

#define MSSTYLES_VERSION 0x0003

static const WCHAR szThemesIniResource[] = {
    't','h','e','m','e','s','_','i','n','i','\0'
};

static PTHEME_FILE tfActiveTheme;

/***********************************************************************/

/**********************************************************************
 *      MSSTYLES_OpenThemeFile
 *
 * Load and validate a theme
 *
 * PARAMS
 *     lpThemeFile         Path to theme file to load
 *     pszColorName        Color name wanted, can be NULL
 *     pszSizeName         Size name wanted, can be NULL
 *
 * NOTES
 * If pszColorName or pszSizeName are NULL, the default color/size will be used.
 * If one/both are provided, they are validated against valid color/sizes and if
 * a match is not found, the function fails.
 */
HRESULT MSSTYLES_OpenThemeFile(LPCWSTR lpThemeFile, LPCWSTR pszColorName, LPCWSTR pszSizeName, PTHEME_FILE *tf)
{
    HMODULE hTheme;
    HRSRC hrsc;
    HRESULT hr = S_OK;
    static const WCHAR szPackThemVersionResource[] = {
        'P','A','C','K','T','H','E','M','_','V','E','R','S','I','O','N', '\0'
    };
    static const WCHAR szColorNamesResource[] = {
        'C','O','L','O','R','N','A','M','E','S','\0'
    };
    static const WCHAR szSizeNamesResource[] = {
        'S','I','Z','E','N','A','M','E','S','\0'
    };

    WORD version;
    DWORD versize;
    LPWSTR pszColors;
    LPWSTR pszSelectedColor = NULL;
    LPWSTR pszSizes;
    LPWSTR pszSelectedSize = NULL;
    LPWSTR tmp;

    TRACE("Opening %s\n", debugstr_w(lpThemeFile));

    hTheme = LoadLibraryExW(lpThemeFile, NULL, LOAD_LIBRARY_AS_DATAFILE);

    /* Validate that this is really a theme */
    if(!hTheme) {
        hr = HRESULT_FROM_WIN32(GetLastError());
        goto invalid_theme;
    }
    if(!(hrsc = FindResourceW(hTheme, MAKEINTRESOURCEW(1), szPackThemVersionResource))) {
        TRACE("No version resource found\n");
        hr = HRESULT_FROM_WIN32(ERROR_BAD_FORMAT);
        goto invalid_theme;
    }
    if((versize = SizeofResource(hTheme, hrsc)) != 2)
    {
        TRACE("Version resource found, but wrong size: %d\n", versize);
        hr = HRESULT_FROM_WIN32(ERROR_BAD_FORMAT);
        goto invalid_theme;
    }
    version = *(WORD*)LoadResource(hTheme, hrsc);
    if(version != MSSTYLES_VERSION)
    {
        TRACE("Version of theme file is unsupported: 0x%04x\n", version);
        hr = HRESULT_FROM_WIN32(ERROR_BAD_FORMAT);
        goto invalid_theme;
    }

    if(!(hrsc = FindResourceW(hTheme, MAKEINTRESOURCEW(1), szColorNamesResource))) {
        TRACE("Color names resource not found\n");
        hr = HRESULT_FROM_WIN32(ERROR_BAD_FORMAT);
        goto invalid_theme;
    }
    pszColors = LoadResource(hTheme, hrsc);

    if(!(hrsc = FindResourceW(hTheme, MAKEINTRESOURCEW(1), szSizeNamesResource))) {
        TRACE("Size names resource not found\n");
        hr = HRESULT_FROM_WIN32(ERROR_BAD_FORMAT);
        goto invalid_theme;
    }
    pszSizes = LoadResource(hTheme, hrsc);

    /* Validate requested color against what's available from the theme */
    if(pszColorName) {
        tmp = pszColors;
        while(*tmp) {
            if(!lstrcmpiW(pszColorName, tmp)) {
                pszSelectedColor = tmp;
                break;
            }
            tmp += lstrlenW(tmp)+1;
        }
    }
    else
        pszSelectedColor = pszColors; /* Use the default color */

    /* Validate requested size against what's available from the theme */
    if(pszSizeName) {
        tmp = pszSizes;
        while(*tmp) {
            if(!lstrcmpiW(pszSizeName, tmp)) {
                pszSelectedSize = tmp;
                break;
            }
            tmp += lstrlenW(tmp)+1;
        }
    }
    else
        pszSelectedSize = pszSizes; /* Use the default size */

    if(!pszSelectedColor || !pszSelectedSize) {
        TRACE("Requested color/size (%s/%s) not found in theme\n",
              debugstr_w(pszColorName), debugstr_w(pszSizeName));
        hr = E_PROP_ID_UNSUPPORTED;
        goto invalid_theme;
    }

    *tf = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(THEME_FILE));
    (*tf)->hTheme = hTheme;
    
    GetFullPathNameW(lpThemeFile, MAX_PATH, (*tf)->szThemeFile, NULL);
    
    (*tf)->pszAvailColors = pszColors;
    (*tf)->pszAvailSizes = pszSizes;
    (*tf)->pszSelectedColor = pszSelectedColor;
    (*tf)->pszSelectedSize = pszSelectedSize;
    (*tf)->dwRefCount = 1;
    return S_OK;

invalid_theme:
    if(hTheme) FreeLibrary(hTheme);
    return hr;
}

/***********************************************************************
 *      MSSTYLES_CloseThemeFile
 *
 * Close theme file and free resources
 */
void MSSTYLES_CloseThemeFile(PTHEME_FILE tf)
{
    if(tf) {
        tf->dwRefCount--;
        if(!tf->dwRefCount) {
            if(tf->hTheme) FreeLibrary(tf->hTheme);
            if(tf->classes) {
                while(tf->classes) {
                    PTHEME_CLASS pcls = tf->classes;
                    tf->classes = pcls->next;
                    while(pcls->partstate) {
                        PTHEME_PARTSTATE ps = pcls->partstate;
                        pcls->partstate = ps->next;
                        HeapFree(GetProcessHeap(), 0, ps);
                    }
                    HeapFree(GetProcessHeap(), 0, pcls);
                }
            }
            while (tf->images)
            {
                PTHEME_IMAGE img = tf->images;
                tf->images = img->next;
                DeleteObject (img->image);
                HeapFree (GetProcessHeap(), 0, img);
            }
            HeapFree(GetProcessHeap(), 0, tf);
        }
    }
}

/***********************************************************************
 *      MSSTYLES_SetActiveTheme
 *
 * Set the current active theme
 */
HRESULT MSSTYLES_SetActiveTheme(PTHEME_FILE tf, BOOL setMetrics)
{
    if(tfActiveTheme)
        MSSTYLES_CloseThemeFile(tfActiveTheme);
    tfActiveTheme = tf;
    if (tfActiveTheme)
    {
      tfActiveTheme->dwRefCount++;
      if(!tfActiveTheme->classes)
          MSSTYLES_ParseThemeIni(tfActiveTheme, setMetrics);
    }
    return S_OK;
}

/***********************************************************************
 *      MSSTYLES_GetThemeIni
 *
 * Retrieves themes.ini from a theme
 */
PUXINI_FILE MSSTYLES_GetThemeIni(PTHEME_FILE tf)
{
    return UXINI_LoadINI(tf->hTheme, szThemesIniResource);
}

/***********************************************************************
 *      MSSTYLES_GetActiveThemeIni
 *
 * Retrieve the ini file for the selected color/style
 */
static PUXINI_FILE MSSTYLES_GetActiveThemeIni(PTHEME_FILE tf)
{
    static const WCHAR szFileResNamesResource[] = {
        'F','I','L','E','R','E','S','N','A','M','E','S','\0'
    };
    DWORD dwColorCount = 0;
    DWORD dwSizeCount = 0;
    DWORD dwColorNum = 0;
    DWORD dwSizeNum = 0;
    DWORD i;
    DWORD dwResourceIndex;
    LPWSTR tmp;
    HRSRC hrsc;

    /* Count the number of available colors & styles, and determine the index number
       of the color/style we are interested in
    */
    tmp = tf->pszAvailColors;
    while(*tmp) {
        if(!lstrcmpiW(tf->pszSelectedColor, tmp))
            dwColorNum = dwColorCount;
        tmp += lstrlenW(tmp)+1;
        dwColorCount++;
    }
    tmp = tf->pszAvailSizes;
    while(*tmp) {
        if(!lstrcmpiW(tf->pszSelectedSize, tmp))
            dwSizeNum = dwSizeCount;
        tmp += lstrlenW(tmp)+1;
        dwSizeCount++;
    }

    if(!(hrsc = FindResourceW(tf->hTheme, MAKEINTRESOURCEW(1), szFileResNamesResource))) {
        TRACE("FILERESNAMES map not found\n");
        return NULL;
    }
    tmp = LoadResource(tf->hTheme, hrsc);
    dwResourceIndex = (dwSizeCount * dwColorNum) + dwSizeNum;
    for(i=0; i < dwResourceIndex; i++) {
        tmp += lstrlenW(tmp)+1;
    }
    return UXINI_LoadINI(tf->hTheme, tmp);
}


/***********************************************************************
 *      MSSTYLES_ParseIniSectionName
 *
 * Parse an ini section name into its component parts
 * Valid formats are:
 * [classname]
 * [classname(state)]
 * [classname.part]
 * [classname.part(state)]
 * [application::classname]
 * [application::classname(state)]
 * [application::classname.part]
 * [application::classname.part(state)]
 *
 * PARAMS
 *     lpSection           Section name
 *     dwLen               Length of section name
 *     szAppName           Location to store application name
 *     szClassName         Location to store class name
 *     iPartId             Location to store part id
 *     iStateId            Location to store state id
 */
static BOOL MSSTYLES_ParseIniSectionName(LPCWSTR lpSection, DWORD dwLen, LPWSTR szAppName, LPWSTR szClassName, int *iPartId, int *iStateId)
{
    WCHAR sec[255];
    WCHAR part[60] = {'\0'};
    WCHAR state[60] = {'\0'};
    LPWSTR tmp;
    LPWSTR comp;
    lstrcpynW(sec, lpSection, min(dwLen+1, sizeof(sec)/sizeof(sec[0])));

    *szAppName = 0;
    *szClassName = 0;
    *iPartId = 0;
    *iStateId = 0;
    comp = sec;
    /* Get the application name */
    tmp = strchrW(comp, ':');
    if(tmp) {
        *tmp++ = 0;
        tmp++;
        lstrcpynW(szAppName, comp, MAX_THEME_APP_NAME);
        comp = tmp;
    }

    tmp = strchrW(comp, '.');
    if(tmp) {
        *tmp++ = 0;
        lstrcpynW(szClassName, comp, MAX_THEME_CLASS_NAME);
        comp = tmp;
        /* now get the part & state */
        tmp = strchrW(comp, '(');
        if(tmp) {
            *tmp++ = 0;
            lstrcpynW(part, comp, sizeof(part)/sizeof(part[0]));
            comp = tmp;
            /* now get the state */
            *strchrW(comp, ')') = 0;
            lstrcpynW(state, comp, sizeof(state)/sizeof(state[0]));
        }
        else {
            lstrcpynW(part, comp, sizeof(part)/sizeof(part[0]));
        }
    }
    else {
        tmp = strchrW(comp, '(');
        if(tmp) {
            *tmp++ = 0;
            lstrcpynW(szClassName, comp, MAX_THEME_CLASS_NAME);
            comp = tmp;
            /* now get the state */
            *strchrW(comp, ')') = 0;
            lstrcpynW(state, comp, sizeof(state)/sizeof(state[0]));
        }
        else {
            lstrcpynW(szClassName, comp, MAX_THEME_CLASS_NAME);
        }
    }
    if(!*szClassName) return FALSE;
    return MSSTYLES_LookupPartState(szClassName, part[0]?part:NULL, state[0]?state:NULL, iPartId, iStateId);
}

/***********************************************************************
 *      MSSTYLES_FindClass
 *
 * Find a class
 *
 * PARAMS
 *     tf                  Theme file
 *     pszAppName          App name to find
 *     pszClassName        Class name to find
 *
 * RETURNS
 *  The class found, or NULL
 */
static PTHEME_CLASS MSSTYLES_FindClass(PTHEME_FILE tf, LPCWSTR pszAppName, LPCWSTR pszClassName)
{
    PTHEME_CLASS cur = tf->classes;
    while(cur) {
        if(!pszAppName) {
            if(!*cur->szAppName && !lstrcmpiW(pszClassName, cur->szClassName))
                return cur;
        }
        else {
            if(!lstrcmpiW(pszAppName, cur->szAppName) && !lstrcmpiW(pszClassName, cur->szClassName))
                return cur;
        }
        cur = cur->next;
    }
    return NULL;
}

/***********************************************************************
 *      MSSTYLES_AddClass
 *
 * Add a class to a theme file
 *
 * PARAMS
 *     tf                  Theme file
 *     pszAppName          App name to add
 *     pszClassName        Class name to add
 *
 * RETURNS
 *  The class added, or a class previously added with the same name
 */
static PTHEME_CLASS MSSTYLES_AddClass(PTHEME_FILE tf, LPCWSTR pszAppName, LPCWSTR pszClassName)
{
    PTHEME_CLASS cur = MSSTYLES_FindClass(tf, pszAppName, pszClassName);
    if(cur) return cur;

    cur = HeapAlloc(GetProcessHeap(), 0, sizeof(THEME_CLASS));
    cur->hTheme = tf->hTheme;
    lstrcpyW(cur->szAppName, pszAppName);
    lstrcpyW(cur->szClassName, pszClassName);
    cur->next = tf->classes;
    cur->partstate = NULL;
    cur->overrides = NULL;
    tf->classes = cur;
    return cur;
}

/***********************************************************************
 *      MSSTYLES_FindPartState
 *
 * Find a part/state
 *
 * PARAMS
 *     tc                  Class to search
 *     iPartId             Part ID to find
 *     iStateId            State ID to find
 *     tcNext              Receives the next class in the override chain
 *
 * RETURNS
 *  The part/state found, or NULL
 */
PTHEME_PARTSTATE MSSTYLES_FindPartState(PTHEME_CLASS tc, int iPartId, int iStateId, PTHEME_CLASS *tcNext)
{
    PTHEME_PARTSTATE cur = tc->partstate;
    while(cur) {
        if(cur->iPartId == iPartId && cur->iStateId == iStateId) {
            if(tcNext) *tcNext = tc->overrides;
            return cur;
        }
        cur = cur->next;
    }
    if(tc->overrides) return MSSTYLES_FindPartState(tc->overrides, iPartId, iStateId, tcNext);
    return NULL;
}

/***********************************************************************
 *      MSSTYLES_AddPartState
 *
 * Add a part/state to a class
 *
 * PARAMS
 *     tc                  Theme class
 *     iPartId             Part ID to add
 *     iStateId            State ID to add
 *
 * RETURNS
 *  The part/state added, or a part/state previously added with the same IDs
 */
static PTHEME_PARTSTATE MSSTYLES_AddPartState(PTHEME_CLASS tc, int iPartId, int iStateId)
{
    PTHEME_PARTSTATE cur = MSSTYLES_FindPartState(tc, iPartId, iStateId, NULL);
    if(cur) return cur;

    cur = HeapAlloc(GetProcessHeap(), 0, sizeof(THEME_PARTSTATE));
    cur->iPartId = iPartId;
    cur->iStateId = iStateId;
    cur->properties = NULL;
    cur->next = tc->partstate;
    tc->partstate = cur;
    return cur;
}

/***********************************************************************
 *      MSSTYLES_LFindProperty
 *
 * Find a property within a property list
 *
 * PARAMS
 *     tp                  property list to scan
 *     iPropertyPrimitive  Type of value expected
 *     iPropertyId         ID of the required value
 *
 * RETURNS
 *  The property found, or NULL
 */
static PTHEME_PROPERTY MSSTYLES_LFindProperty(PTHEME_PROPERTY tp, int iPropertyPrimitive, int iPropertyId)
{
    PTHEME_PROPERTY cur = tp;
    while(cur) {
        if(cur->iPropertyId == iPropertyId) {
            if(cur->iPrimitiveType == iPropertyPrimitive) {
                return cur;
            }
            else {
                if(!iPropertyPrimitive)
                    return cur;
                return NULL;
            }
        }
        cur = cur->next;
    }
    return NULL;
}

/***********************************************************************
 *      MSSTYLES_PSFindProperty
 *
 * Find a value within a part/state
 *
 * PARAMS
 *     ps                  Part/state to search
 *     iPropertyPrimitive  Type of value expected
 *     iPropertyId         ID of the required value
 *
 * RETURNS
 *  The property found, or NULL
 */
static inline PTHEME_PROPERTY MSSTYLES_PSFindProperty(PTHEME_PARTSTATE ps, int iPropertyPrimitive, int iPropertyId)
{
    return MSSTYLES_LFindProperty(ps->properties, iPropertyPrimitive, iPropertyId);
}

/***********************************************************************
 *      MSSTYLES_FFindMetric
 *
 * Find a metric property for a theme file
 *
 * PARAMS
 *     tf                  Theme file
 *     iPropertyPrimitive  Type of value expected
 *     iPropertyId         ID of the required value
 *
 * RETURNS
 *  The property found, or NULL
 */
static inline PTHEME_PROPERTY MSSTYLES_FFindMetric(PTHEME_FILE tf, int iPropertyPrimitive, int iPropertyId)
{
    return MSSTYLES_LFindProperty(tf->metrics, iPropertyPrimitive, iPropertyId);
}

/***********************************************************************
 *      MSSTYLES_FindMetric
 *
 * Find a metric property for the current installed theme
 *
 * PARAMS
 *     tf                  Theme file
 *     iPropertyPrimitive  Type of value expected
 *     iPropertyId         ID of the required value
 *
 * RETURNS
 *  The property found, or NULL
 */
PTHEME_PROPERTY MSSTYLES_FindMetric(int iPropertyPrimitive, int iPropertyId)
{
    if(!tfActiveTheme) return NULL;
    return MSSTYLES_FFindMetric(tfActiveTheme, iPropertyPrimitive, iPropertyId);
}

/***********************************************************************
 *      MSSTYLES_AddProperty
 *
 * Add a property to a part/state
 *
 * PARAMS
 *     ps                  Part/state
 *     iPropertyPrimitive  Primitive type of the property
 *     iPropertyId         ID of the property
 *     lpValue             Raw value (non-NULL terminated)
 *     dwValueLen          Length of the value
 *
 * RETURNS
 *  The property added, or a property previously added with the same IDs
 */
static PTHEME_PROPERTY MSSTYLES_AddProperty(PTHEME_PARTSTATE ps, int iPropertyPrimitive, int iPropertyId, LPCWSTR lpValue, DWORD dwValueLen, BOOL isGlobal)
{
    PTHEME_PROPERTY cur = MSSTYLES_PSFindProperty(ps, iPropertyPrimitive, iPropertyId);
    /* Should duplicate properties overwrite the original, or be ignored? */
    if(cur) return cur;

    cur = HeapAlloc(GetProcessHeap(), 0, sizeof(THEME_PROPERTY));
    cur->iPrimitiveType = iPropertyPrimitive;
    cur->iPropertyId = iPropertyId;
    cur->lpValue = lpValue;
    cur->dwValueLen = dwValueLen;

    if(ps->iStateId)
        cur->origin = PO_STATE;
    else if(ps->iPartId)
        cur->origin = PO_PART;
    else if(isGlobal)
        cur->origin = PO_GLOBAL;
    else
        cur->origin = PO_CLASS;

    cur->next = ps->properties;
    ps->properties = cur;
    return cur;
}

/***********************************************************************
 *      MSSTYLES_AddMetric
 *
 * Add a property to a part/state
 *
 * PARAMS
 *     tf                  Theme file
 *     iPropertyPrimitive  Primitive type of the property
 *     iPropertyId         ID of the property
 *     lpValue             Raw value (non-NULL terminated)
 *     dwValueLen          Length of the value
 *
 * RETURNS
 *  The property added, or a property previously added with the same IDs
 */
static PTHEME_PROPERTY MSSTYLES_AddMetric(PTHEME_FILE tf, int iPropertyPrimitive, int iPropertyId, LPCWSTR lpValue, DWORD dwValueLen)
{
    PTHEME_PROPERTY cur = MSSTYLES_FFindMetric(tf, iPropertyPrimitive, iPropertyId);
    /* Should duplicate properties overwrite the original, or be ignored? */
    if(cur) return cur;

    cur = HeapAlloc(GetProcessHeap(), 0, sizeof(THEME_PROPERTY));
    cur->iPrimitiveType = iPropertyPrimitive;
    cur->iPropertyId = iPropertyId;
    cur->lpValue = lpValue;
    cur->dwValueLen = dwValueLen;

    cur->origin = PO_GLOBAL;

    cur->next = tf->metrics;
    tf->metrics = cur;
    return cur;
}

/* Color-related state for theme ini parsing */
struct PARSECOLORSTATE
{
    int colorCount;
    int colorElements[TMT_LASTCOLOR-TMT_FIRSTCOLOR];
    COLORREF colorRgb[TMT_LASTCOLOR-TMT_FIRSTCOLOR];
    int captionColors;
};

static inline void parse_init_color (struct PARSECOLORSTATE* state)
{
    memset (state, 0, sizeof (*state));
}

static BOOL parse_handle_color_property (struct PARSECOLORSTATE* state, 
                                         int iPropertyId, LPCWSTR lpValue,
                                         DWORD dwValueLen)
{
    int r,g,b;
    LPCWSTR lpValueEnd = lpValue + dwValueLen;
    if(MSSTYLES_GetNextInteger(lpValue, lpValueEnd, &lpValue, &r) &&
    MSSTYLES_GetNextInteger(lpValue, lpValueEnd, &lpValue, &g) &&
    MSSTYLES_GetNextInteger(lpValue, lpValueEnd, &lpValue, &b)) {
      state->colorElements[state->colorCount] = iPropertyId - TMT_FIRSTCOLOR;
      state->colorRgb[state->colorCount++] = RGB(r,g,b);
      switch (iPropertyId)
      {
        case TMT_ACTIVECAPTION: 
          state->captionColors |= 0x1; 
          break;
        case TMT_INACTIVECAPTION: 
          state->captionColors |= 0x2; 
          break;
        case TMT_GRADIENTACTIVECAPTION: 
          state->captionColors |= 0x4; 
          break;
        case TMT_GRADIENTINACTIVECAPTION: 
          state->captionColors |= 0x8; 
          break;
      }
      return TRUE;
    }
    else {
      return FALSE;
    }
}

static void parse_apply_color (struct PARSECOLORSTATE* state)
{
    if (state->colorCount > 0)
      SetSysColors(state->colorCount, state->colorElements, state->colorRgb);
    if (state->captionColors == 0xf)
      SystemParametersInfoW (SPI_SETGRADIENTCAPTIONS, 0, (PVOID)TRUE, 0);
}

/* Non-client-metrics-related state for theme ini parsing */
struct PARSENONCLIENTSTATE
{
    NONCLIENTMETRICSW metrics;
    BOOL metricsDirty;
    LOGFONTW iconTitleFont;
};

static inline void parse_init_nonclient (struct PARSENONCLIENTSTATE* state)
{
    memset (state, 0, sizeof (*state));
    state->metrics.cbSize = sizeof (NONCLIENTMETRICSW);
    SystemParametersInfoW (SPI_GETNONCLIENTMETRICS, sizeof (NONCLIENTMETRICSW),
        &state->metrics, 0);
    SystemParametersInfoW (SPI_GETICONTITLELOGFONT, sizeof (LOGFONTW),
        &state->iconTitleFont, 0);
}

static BOOL parse_handle_nonclient_font (struct PARSENONCLIENTSTATE* state, 
                                         int iPropertyId, LPCWSTR lpValue,
                                         DWORD dwValueLen)
{
    LOGFONTW font;
    
    memset (&font, 0, sizeof (font));
    if (SUCCEEDED (MSSTYLES_GetFont (lpValue, lpValue + dwValueLen, &lpValue,
        &font)))
    {
        switch (iPropertyId)
        {
        case TMT_CAPTIONFONT:
            state->metrics.lfCaptionFont = font;
            state->metricsDirty = TRUE;
            break;
        case TMT_SMALLCAPTIONFONT:
            state->metrics.lfSmCaptionFont = font;
            state->metricsDirty = TRUE;
            break;
        case TMT_MENUFONT:
            state->metrics.lfMenuFont = font;
            state->metricsDirty = TRUE;
            break;
        case TMT_STATUSFONT:
            state->metrics.lfStatusFont = font;
            state->metricsDirty = TRUE;
            break;
        case TMT_MSGBOXFONT:
            state->metrics.lfMessageFont = font;
            state->metricsDirty = TRUE;
            break;
        case TMT_ICONTITLEFONT:
            state->iconTitleFont = font;
            state->metricsDirty = TRUE;
            break;
        }
        return TRUE;
    }
    else
        return FALSE;
}

static BOOL parse_handle_nonclient_size (struct PARSENONCLIENTSTATE* state, 
                                         int iPropertyId, LPCWSTR lpValue,
                                         DWORD dwValueLen)
{
    int size;
    LPCWSTR lpValueEnd = lpValue + dwValueLen;
    if(MSSTYLES_GetNextInteger(lpValue, lpValueEnd, &lpValue, &size)) {
        switch (iPropertyId)
        {
            case TMT_SIZINGBORDERWIDTH:
                state->metrics.iBorderWidth = size;
                state->metricsDirty = TRUE;
                break;
            case TMT_SCROLLBARWIDTH:
                state->metrics.iScrollWidth = size;
                state->metricsDirty = TRUE;
                break;
            case TMT_SCROLLBARHEIGHT:
                state->metrics.iScrollHeight = size;
                state->metricsDirty = TRUE;
                break;
            case TMT_CAPTIONBARWIDTH:
                state->metrics.iCaptionWidth = size;
                state->metricsDirty = TRUE;
                break;
            case TMT_CAPTIONBARHEIGHT:
                state->metrics.iCaptionHeight = size;
                state->metricsDirty = TRUE;
                break;
            case TMT_SMCAPTIONBARWIDTH:
                state->metrics.iSmCaptionWidth = size;
                state->metricsDirty = TRUE;
                break;
            case TMT_SMCAPTIONBARHEIGHT:
                state->metrics.iSmCaptionHeight = size;
                state->metricsDirty = TRUE;
                break;
            case TMT_MENUBARWIDTH:
                state->metrics.iMenuWidth = size;
                state->metricsDirty = TRUE;
                break;
            case TMT_MENUBARHEIGHT:
                state->metrics.iMenuHeight = size;
                state->metricsDirty = TRUE;
                break;
        }
        return TRUE;
    }
    else
        return FALSE;
}

static void parse_apply_nonclient (struct PARSENONCLIENTSTATE* state)
{
    if (state->metricsDirty)
    {
        SystemParametersInfoW (SPI_SETNONCLIENTMETRICS, sizeof (state->metrics),
            &state->metrics, 0);
        SystemParametersInfoW (SPI_SETICONTITLELOGFONT, sizeof (state->iconTitleFont),
            &state->iconTitleFont, 0);
    }
}

/***********************************************************************
 *      MSSTYLES_ParseThemeIni
 *
 * Parse the theme ini for the selected color/style
 *
 * PARAMS
 *     tf                  Theme to parse
 */
static void MSSTYLES_ParseThemeIni(PTHEME_FILE tf, BOOL setMetrics)
{
    static const WCHAR szSysMetrics[] = {'S','y','s','M','e','t','r','i','c','s','\0'};
    static const WCHAR szGlobals[] = {'g','l','o','b','a','l','s','\0'};
    PTHEME_CLASS cls;
    PTHEME_CLASS globals;
    PTHEME_PARTSTATE ps;
    PUXINI_FILE ini;
    WCHAR szAppName[MAX_THEME_APP_NAME];
    WCHAR szClassName[MAX_THEME_CLASS_NAME];
    WCHAR szPropertyName[MAX_THEME_VALUE_NAME];
    int iPartId;
    int iStateId;
    int iPropertyPrimitive;
    int iPropertyId;
    DWORD dwLen;
    LPCWSTR lpName;
    DWORD dwValueLen;
    LPCWSTR lpValue;

    ini = MSSTYLES_GetActiveThemeIni(tf);

    while((lpName=UXINI_GetNextSection(ini, &dwLen))) {
        if(CompareStringW(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE, lpName, dwLen, szSysMetrics, -1) == CSTR_EQUAL) {
            struct PARSECOLORSTATE colorState;
            struct PARSENONCLIENTSTATE nonClientState;
            
            parse_init_color (&colorState);
            parse_init_nonclient (&nonClientState);

            while((lpName=UXINI_GetNextValue(ini, &dwLen, &lpValue, &dwValueLen))) {
                lstrcpynW(szPropertyName, lpName, min(dwLen+1, sizeof(szPropertyName)/sizeof(szPropertyName[0])));
                if(MSSTYLES_LookupProperty(szPropertyName, &iPropertyPrimitive, &iPropertyId)) {
                    if(iPropertyId >= TMT_FIRSTCOLOR && iPropertyId <= TMT_LASTCOLOR) {
                        if (!parse_handle_color_property (&colorState, iPropertyId, 
                            lpValue, dwValueLen))
                            FIXME("Invalid color value for %s\n", 
                                debugstr_w(szPropertyName)); 
                    }
                else if (setMetrics && (iPropertyId == TMT_FLATMENUS)) {
                  BOOL flatMenus = (*lpValue == 'T') || (*lpValue == 't');
                  SystemParametersInfoW (SPI_SETFLATMENU, 0, (PVOID)(INT_PTR)flatMenus, 0);
                }
                else if ((iPropertyId >= TMT_FIRSTFONT) 
                  && (iPropertyId <= TMT_LASTFONT))
                {
                    if (!parse_handle_nonclient_font (&nonClientState,
                        iPropertyId, lpValue, dwValueLen))
                            FIXME("Invalid font value for %s\n", 
                                debugstr_w(szPropertyName)); 
                }
                else if ((iPropertyId >= TMT_FIRSTSIZE)
                  && (iPropertyId <= TMT_LASTSIZE))
                {
                    if (!parse_handle_nonclient_size (&nonClientState,
                        iPropertyId, lpValue, dwValueLen))
                            FIXME("Invalid size value for %s\n", 
                                debugstr_w(szPropertyName)); 
                }
                    /* Catch all metrics, including colors */
                    MSSTYLES_AddMetric(tf, iPropertyPrimitive, iPropertyId, lpValue, dwValueLen);
                }
                else {
                    TRACE("Unknown system metric %s\n", debugstr_w(szPropertyName));
                }
            }
            if (setMetrics) 
            {
                parse_apply_color (&colorState);
            parse_apply_nonclient (&nonClientState);
          }
            continue;
        }
        if(MSSTYLES_ParseIniSectionName(lpName, dwLen, szAppName, szClassName, &iPartId, &iStateId)) {
            BOOL isGlobal = FALSE;
            if(!lstrcmpiW(szClassName, szGlobals)) {
                isGlobal = TRUE;
            }
            cls = MSSTYLES_AddClass(tf, szAppName, szClassName);
            ps = MSSTYLES_AddPartState(cls, iPartId, iStateId);

            while((lpName=UXINI_GetNextValue(ini, &dwLen, &lpValue, &dwValueLen))) {
                lstrcpynW(szPropertyName, lpName, min(dwLen+1, sizeof(szPropertyName)/sizeof(szPropertyName[0])));
                if(MSSTYLES_LookupProperty(szPropertyName, &iPropertyPrimitive, &iPropertyId)) {
                    MSSTYLES_AddProperty(ps, iPropertyPrimitive, iPropertyId, lpValue, dwValueLen, isGlobal);
                }
                else {
                    TRACE("Unknown property %s\n", debugstr_w(szPropertyName));
                }
            }
        }
    }

    /* App/Class combos override values defined by the base class, map these overrides */
    globals = MSSTYLES_FindClass(tf, NULL, szGlobals);
    cls = tf->classes;
    while(cls) {
        if(*cls->szAppName) {
            cls->overrides = MSSTYLES_FindClass(tf, NULL, cls->szClassName);
            if(!cls->overrides) {
                TRACE("No overrides found for app %s class %s\n", debugstr_w(cls->szAppName), debugstr_w(cls->szClassName));
            }
            else {
                cls->overrides = globals;
            }
        }
        else {
            /* Everything overrides globals..except globals */
            if(cls != globals) cls->overrides = globals;
        }
        cls = cls->next;
    }
    UXINI_CloseINI(ini);

    if(!tf->classes) {
        ERR("Failed to parse theme ini\n");
    }
}

/***********************************************************************
 *      MSSTYLES_OpenThemeClass
 *
 * Open a theme class, uses the current active theme
 *
 * PARAMS
 *     pszAppName          Application name, for theme styles specific
 *                         to a particular application
 *     pszClassList        List of requested classes, semicolon delimited
 */
PTHEME_CLASS MSSTYLES_OpenThemeClass(LPCWSTR pszAppName, LPCWSTR pszClassList)
{
    PTHEME_CLASS cls = NULL;
    WCHAR szClassName[MAX_THEME_CLASS_NAME];
    LPCWSTR start;
    LPCWSTR end;
    DWORD len;

    if(!tfActiveTheme) {
        TRACE("there is no active theme\n");
        return NULL;
    }
    if(!tfActiveTheme->classes) {
      return NULL;
    }

    start = pszClassList;
    while((end = strchrW(start, ';'))) {
        len = end-start;
        lstrcpynW(szClassName, start, min(len+1, sizeof(szClassName)/sizeof(szClassName[0])));
        start = end+1;
        cls = MSSTYLES_FindClass(tfActiveTheme, pszAppName, szClassName);
        if(cls) break;
    }
    if(!cls && *start) {
        lstrcpynW(szClassName, start, sizeof(szClassName)/sizeof(szClassName[0]));
        cls = MSSTYLES_FindClass(tfActiveTheme, pszAppName, szClassName);
    }
    if(cls) {
        TRACE("Opened app %s, class %s from list %s\n", debugstr_w(cls->szAppName), debugstr_w(cls->szClassName), debugstr_w(pszClassList));
      cls->tf = tfActiveTheme;
      cls->tf->dwRefCount++;
    }
    return cls;
}

/***********************************************************************
 *      MSSTYLES_CloseThemeClass
 *
 * Close a theme class
 *
 * PARAMS
 *     tc                  Theme class to close
 *
 * NOTES
 *  The MSSTYLES_CloseThemeFile decreases the refcount of the owning
 *  theme file and cleans it up, if needed.
 */
HRESULT MSSTYLES_CloseThemeClass(PTHEME_CLASS tc)
{
    MSSTYLES_CloseThemeFile (tc->tf);
    return S_OK;
}

/***********************************************************************
 *      MSSTYLES_FindProperty
 *
 * Locate a property in a class. Part and state IDs will be used as a
 * preference, but may be ignored in the attempt to locate the property.
 * Will scan the entire chain of overrides for this class.
 */
PTHEME_PROPERTY MSSTYLES_FindProperty(PTHEME_CLASS tc, int iPartId, int iStateId, int iPropertyPrimitive, int iPropertyId)
{
    PTHEME_CLASS next = tc;
    PTHEME_PARTSTATE ps;
    PTHEME_PROPERTY tp;

    TRACE("(%p, %d, %d, %d)\n", tc, iPartId, iStateId, iPropertyId);
     /* Try and find an exact match on part & state */
    while(next && (ps = MSSTYLES_FindPartState(next, iPartId, iStateId, &next))) {
        if((tp = MSSTYLES_PSFindProperty(ps, iPropertyPrimitive, iPropertyId))) {
            return tp;
        }
    }
    /* If that fails, and we didn't already try it, search for just part */
    if(iStateId != 0)
        iStateId = 0;
    /* As a last ditch attempt..go for just class */
    else if(iPartId != 0)
        iPartId = 0;
    else
        return NULL;

    if((tp = MSSTYLES_FindProperty(tc, iPartId, iStateId, iPropertyPrimitive, iPropertyId)))
        return tp;
    return NULL;
}

/* Prepare a bitmap to be used for alpha blending */
static BOOL prepare_alpha (HBITMAP bmp, BOOL* hasAlpha)
{
    DIBSECTION dib;
    int n;
    BYTE* p;

    *hasAlpha = FALSE;

    if (!bmp || GetObjectW( bmp, sizeof(dib), &dib ) != sizeof(dib))
        return FALSE;

    if(dib.dsBm.bmBitsPixel != 32)
        /* nothing to do */
        return TRUE;

    *hasAlpha = TRUE;
    p = dib.dsBm.bmBits;
    n = abs(dib.dsBmih.biHeight) * dib.dsBmih.biWidth;
    /* AlphaBlend() wants premultiplied alpha, so do that now */
    while (n-- > 0)
    {
        int a = p[3]+1;
        p[0] = (p[0] * a) >> 8;
        p[1] = (p[1] * a) >> 8;
        p[2] = (p[2] * a) >> 8;
        p += 4;
    }

    return TRUE;
}

HBITMAP MSSTYLES_LoadBitmap (PTHEME_CLASS tc, LPCWSTR lpFilename, BOOL* hasAlpha)
{
    WCHAR szFile[MAX_PATH];
    LPWSTR tmp;
    PTHEME_IMAGE img;
    lstrcpynW(szFile, lpFilename, sizeof(szFile)/sizeof(szFile[0]));
    tmp = szFile;
    do {
        if(*tmp == '\\') *tmp = '_';
        if(*tmp == '/') *tmp = '_';
        if(*tmp == '.') *tmp = '_';
    } while(*tmp++);

    /* Try to locate in list of loaded images */
    img = tc->tf->images;
    while (img)
    {
        if (lstrcmpiW (szFile, img->name) == 0)
        {
            TRACE ("found %p %s: %p\n", img, debugstr_w (img->name), img->image);
            *hasAlpha = img->hasAlpha;
            return img->image;
        }
        img = img->next;
    }
    /* Not found? Load from resources */
    img = HeapAlloc (GetProcessHeap(), 0, sizeof (THEME_IMAGE));
    img->image = LoadImageW(tc->hTheme, szFile, IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION);
    prepare_alpha (img->image, hasAlpha);
    img->hasAlpha = *hasAlpha;
    /* ...and stow away for later reuse. */
    lstrcpyW (img->name, szFile);
    img->next = tc->tf->images;
    tc->tf->images = img;
    TRACE ("new %p %s: %p\n", img, debugstr_w (img->name), img->image);
    return img->image;
}

static BOOL MSSTYLES_GetNextInteger(LPCWSTR lpStringStart, LPCWSTR lpStringEnd, LPCWSTR *lpValEnd, int *value)
{
    LPCWSTR cur = lpStringStart;
    int total = 0;
    BOOL gotNeg = FALSE;

    while(cur < lpStringEnd && (*cur < '0' || *cur > '9' || *cur == '-')) cur++;
    if(cur >= lpStringEnd) {
        return FALSE;
    }
    if(*cur == '-') {
        cur++;
        gotNeg = TRUE;
    }
    while(cur < lpStringEnd && (*cur >= '0' && *cur <= '9')) {
        total = total * 10 + (*cur - '0');
        cur++;
    }
    if(gotNeg) total = -total;
    *value = total;
    if(lpValEnd) *lpValEnd = cur;
    return TRUE;
}

static BOOL MSSTYLES_GetNextToken(LPCWSTR lpStringStart, LPCWSTR lpStringEnd, LPCWSTR *lpValEnd, LPWSTR lpBuff, DWORD buffSize) {
    LPCWSTR cur = lpStringStart;
    LPCWSTR start;
    LPCWSTR end;

    while(cur < lpStringEnd && (isspace(*cur) || *cur == ',')) cur++;
    if(cur >= lpStringEnd) {
        return FALSE;
    }
    start = cur;
    while(cur < lpStringEnd && *cur != ',') cur++;
    end = cur;
    while(isspace(*end)) end--;

    lstrcpynW(lpBuff, start, min(buffSize, end-start+1));

    if(lpValEnd) *lpValEnd = cur;
    return TRUE;
}

/***********************************************************************
 *      MSSTYLES_GetPropertyBool
 *
 * Retrieve a color value for a property 
 */
HRESULT MSSTYLES_GetPropertyBool(PTHEME_PROPERTY tp, BOOL *pfVal)
{
    *pfVal = FALSE;
    if(*tp->lpValue == 't' || *tp->lpValue == 'T')
        *pfVal = TRUE;
    return S_OK;
}

/***********************************************************************
 *      MSSTYLES_GetPropertyColor
 *
 * Retrieve a color value for a property 
 */
HRESULT MSSTYLES_GetPropertyColor(PTHEME_PROPERTY tp, COLORREF *pColor)
{
    LPCWSTR lpEnd;
    LPCWSTR lpCur;
    int red, green, blue;

    lpCur = tp->lpValue;
    lpEnd = tp->lpValue + tp->dwValueLen;

    if(!MSSTYLES_GetNextInteger(lpCur, lpEnd, &lpCur, &red)) {
        TRACE("Could not parse color property\n");
        return E_PROP_ID_UNSUPPORTED;
    }
    if(!MSSTYLES_GetNextInteger(lpCur, lpEnd, &lpCur, &green)) {
        TRACE("Could not parse color property\n");
        return E_PROP_ID_UNSUPPORTED;
    }
    if(!MSSTYLES_GetNextInteger(lpCur, lpEnd, &lpCur, &blue)) {
        TRACE("Could not parse color property\n");
        return E_PROP_ID_UNSUPPORTED;
    }
    *pColor = RGB(red,green,blue);
    return S_OK;
}

/***********************************************************************
 *      MSSTYLES_GetPropertyColor
 *
 * Retrieve a color value for a property 
 */
static HRESULT MSSTYLES_GetFont (LPCWSTR lpCur, LPCWSTR lpEnd,
                                 LPCWSTR *lpValEnd, LOGFONTW* pFont)
{
    static const WCHAR szBold[] = {'b','o','l','d','\0'};
    static const WCHAR szItalic[] = {'i','t','a','l','i','c','\0'};
    static const WCHAR szUnderline[] = {'u','n','d','e','r','l','i','n','e','\0'};
    static const WCHAR szStrikeOut[] = {'s','t','r','i','k','e','o','u','t','\0'};
    int pointSize;
    WCHAR attr[32];

    if(!MSSTYLES_GetNextToken(lpCur, lpEnd, &lpCur, pFont->lfFaceName, LF_FACESIZE)) {
        TRACE("Property is there, but failed to get face name\n");
        *lpValEnd = lpCur;
        return E_PROP_ID_UNSUPPORTED;
    }
    if(!MSSTYLES_GetNextInteger(lpCur, lpEnd, &lpCur, &pointSize)) {
        TRACE("Property is there, but failed to get point size\n");
        *lpValEnd = lpCur;
        return E_PROP_ID_UNSUPPORTED;
    }
    pFont->lfHeight = pointSize;
    pFont->lfWeight = FW_REGULAR;
    pFont->lfCharSet = DEFAULT_CHARSET;
    while(MSSTYLES_GetNextToken(lpCur, lpEnd, &lpCur, attr, sizeof(attr)/sizeof(attr[0]))) {
        if(!lstrcmpiW(szBold, attr)) pFont->lfWeight = FW_BOLD;
        else if(!!lstrcmpiW(szItalic, attr)) pFont->lfItalic = TRUE;
        else if(!!lstrcmpiW(szUnderline, attr)) pFont->lfUnderline = TRUE;
        else if(!!lstrcmpiW(szStrikeOut, attr)) pFont->lfStrikeOut = TRUE;
    }
    *lpValEnd = lpCur;
    return S_OK;
}

HRESULT MSSTYLES_GetPropertyFont(PTHEME_PROPERTY tp, HDC hdc, LOGFONTW *pFont)
{
    LPCWSTR lpCur = tp->lpValue;
    LPCWSTR lpEnd = tp->lpValue + tp->dwValueLen;
    HRESULT hr; 

    ZeroMemory(pFont, sizeof(LOGFONTW));
    hr = MSSTYLES_GetFont (lpCur, lpEnd, &lpCur, pFont);
    if (SUCCEEDED (hr))
        pFont->lfHeight = -MulDiv(pFont->lfHeight, GetDeviceCaps(hdc, LOGPIXELSY), 72);

    return hr;
}

/***********************************************************************
 *      MSSTYLES_GetPropertyInt
 *
 * Retrieve an int value for a property 
 */
HRESULT MSSTYLES_GetPropertyInt(PTHEME_PROPERTY tp, int *piVal)
{
    if(!MSSTYLES_GetNextInteger(tp->lpValue, (tp->lpValue + tp->dwValueLen), NULL, piVal)) {
        TRACE("Could not parse int property\n");
        return E_PROP_ID_UNSUPPORTED;
    }
    return S_OK;
}

/***********************************************************************
 *      MSSTYLES_GetPropertyIntList
 *
 * Retrieve an int list value for a property 
 */
HRESULT MSSTYLES_GetPropertyIntList(PTHEME_PROPERTY tp, INTLIST *pIntList)
{
    int i;
    LPCWSTR lpCur = tp->lpValue;
    LPCWSTR lpEnd = tp->lpValue + tp->dwValueLen;

    for(i=0; i < MAX_INTLIST_COUNT; i++) {
        if(!MSSTYLES_GetNextInteger(lpCur, lpEnd, &lpCur, &pIntList->iValues[i]))
            break;
    }
    pIntList->iValueCount = i;
    return S_OK;
}

/***********************************************************************
 *      MSSTYLES_GetPropertyPosition
 *
 * Retrieve a position value for a property 
 */
HRESULT MSSTYLES_GetPropertyPosition(PTHEME_PROPERTY tp, POINT *pPoint)
{
    int x,y;
    LPCWSTR lpCur = tp->lpValue;
    LPCWSTR lpEnd = tp->lpValue + tp->dwValueLen;

    if(!MSSTYLES_GetNextInteger(lpCur, lpEnd, &lpCur, &x)) {
        TRACE("Could not parse position property\n");
        return E_PROP_ID_UNSUPPORTED;
    }
    if(!MSSTYLES_GetNextInteger(lpCur, lpEnd, &lpCur, &y)) {
        TRACE("Could not parse position property\n");
        return E_PROP_ID_UNSUPPORTED;
    }
    pPoint->x = x;
    pPoint->y = y;
    return S_OK;
}

/***********************************************************************
 *      MSSTYLES_GetPropertyString
 *
 * Retrieve a string value for a property 
 */
HRESULT MSSTYLES_GetPropertyString(PTHEME_PROPERTY tp, LPWSTR pszBuff, int cchMaxBuffChars)
{
    lstrcpynW(pszBuff, tp->lpValue, min(tp->dwValueLen+1, cchMaxBuffChars));
    return S_OK;
}

/***********************************************************************
 *      MSSTYLES_GetPropertyRect
 *
 * Retrieve a rect value for a property 
 */
HRESULT MSSTYLES_GetPropertyRect(PTHEME_PROPERTY tp, RECT *pRect)
{
    LPCWSTR lpCur = tp->lpValue;
    LPCWSTR lpEnd = tp->lpValue + tp->dwValueLen;

    MSSTYLES_GetNextInteger(lpCur, lpEnd, &lpCur, &pRect->left);
    MSSTYLES_GetNextInteger(lpCur, lpEnd, &lpCur, &pRect->top);
    MSSTYLES_GetNextInteger(lpCur, lpEnd, &lpCur, &pRect->right);
    if(!MSSTYLES_GetNextInteger(lpCur, lpEnd, &lpCur, &pRect->bottom)) {
        TRACE("Could not parse rect property\n");
        return E_PROP_ID_UNSUPPORTED;
    }
    return S_OK;
}

/***********************************************************************
 *      MSSTYLES_GetPropertyMargins
 *
 * Retrieve a margins value for a property 
 */
HRESULT MSSTYLES_GetPropertyMargins(PTHEME_PROPERTY tp, RECT *prc, MARGINS *pMargins)
{
    LPCWSTR lpCur = tp->lpValue;
    LPCWSTR lpEnd = tp->lpValue + tp->dwValueLen;

    MSSTYLES_GetNextInteger(lpCur, lpEnd, &lpCur, &pMargins->cxLeftWidth);
    MSSTYLES_GetNextInteger(lpCur, lpEnd, &lpCur, &pMargins->cxRightWidth);
    MSSTYLES_GetNextInteger(lpCur, lpEnd, &lpCur, &pMargins->cyTopHeight);
    if(!MSSTYLES_GetNextInteger(lpCur, lpEnd, &lpCur, &pMargins->cyBottomHeight)) {
        TRACE("Could not parse margins property\n");
        return E_PROP_ID_UNSUPPORTED;
    }
    return S_OK;
}

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