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📄 shell32_main.c

📁 这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统
💻 C
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        /* get the parent shellfolder */
        if (pidl)
        {
            hr = SHBindToParent( pidl, &IID_IShellFolder, (LPVOID*)&psfParent,
                                (LPCITEMIDLIST*)&pidlLast );
            if (SUCCEEDED(hr))
                pidlLast = ILClone(pidlLast);
            ILFree(pidl);
        }
        else
        {
            ERR("pidl is null!\n");
            return FALSE;
        }
    }

    /* get the attributes of the child */
    if (SUCCEEDED(hr) && (flags & SHGFI_ATTRIBUTES))
    {
        if (!(flags & SHGFI_ATTR_SPECIFIED))
        {
            psfi->dwAttributes = 0xffffffff;
        }
        IShellFolder_GetAttributesOf( psfParent, 1, (LPCITEMIDLIST*)&pidlLast,
                                      &(psfi->dwAttributes) );
    }

    /* get the displayname */
    if (SUCCEEDED(hr) && (flags & SHGFI_DISPLAYNAME))
    {
        if (flags & SHGFI_USEFILEATTRIBUTES)
        {
            lstrcpyW (psfi->szDisplayName, PathFindFileNameW(szFullPath));
        }
        else
        {
            STRRET str;
            hr = IShellFolder_GetDisplayNameOf( psfParent, pidlLast,
                                                SHGDN_INFOLDER, &str);
            StrRetToStrNW (psfi->szDisplayName, MAX_PATH, &str, pidlLast);
        }
    }

    /* get the type name */
    if (SUCCEEDED(hr) && (flags & SHGFI_TYPENAME))
    {
        static const WCHAR szFile[] = { 'F','i','l','e',0 };
        static const WCHAR szDashFile[] = { '-','f','i','l','e',0 };

        if (!(flags & SHGFI_USEFILEATTRIBUTES))
        {
            char ftype[80];

            _ILGetFileType(pidlLast, ftype, 80);
            MultiByteToWideChar(CP_ACP, 0, ftype, -1, psfi->szTypeName, 80 );
        }
        else
        {
            if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
                strcatW (psfi->szTypeName, szFile);
            else 
            {
                WCHAR sTemp[64];

                lstrcpyW(sTemp,PathFindExtensionW(szFullPath));
                if (!( HCR_MapTypeToValueW(sTemp, sTemp, 64, TRUE) &&
                    HCR_MapTypeToValueW(sTemp, psfi->szTypeName, 80, FALSE )))
                {
                    lstrcpynW (psfi->szTypeName, sTemp, 64);
                    strcatW (psfi->szTypeName, szDashFile);
                }
            }
        }
    }

    /* ### icons ###*/
    if (flags & SHGFI_OPENICON)
        uGilFlags |= GIL_OPENICON;

    if (flags & SHGFI_LINKOVERLAY)
        uGilFlags |= GIL_FORSHORTCUT;
    else if ((flags&SHGFI_ADDOVERLAYS) ||
             (flags&(SHGFI_ICON|SHGFI_SMALLICON))==SHGFI_ICON)
    {
        if (SHELL_IsShortcut(pidlLast))
            uGilFlags |= GIL_FORSHORTCUT;
    }

    if (flags & SHGFI_OVERLAYINDEX)
        FIXME("SHGFI_OVERLAYINDEX unhandled\n");

    if (flags & SHGFI_SELECTED)
        FIXME("set icon to selected, stub\n");

    if (flags & SHGFI_SHELLICONSIZE)
        FIXME("set icon to shell size, stub\n");

    /* get the iconlocation */
    if (SUCCEEDED(hr) && (flags & SHGFI_ICONLOCATION ))
    {
        if (!(flags & SHGFI_USEFILEATTRIBUTES))
        {
            UINT uDummy,uFlags;

            hr = IShellFolder_GetUIObjectOf(psfParent, 0, 1,
                   (LPCITEMIDLIST*)&pidlLast, &IID_IExtractIconA,
                   &uDummy, (LPVOID*)&pei);
            if (SUCCEEDED(hr))
            {
                hr = IExtractIconW_GetIconLocation(pei, uGilFlags,
                        szLocation, MAX_PATH, &iIndex, &uFlags);
                psfi->iIcon = iIndex;

                if (!(uFlags & GIL_NOTFILENAME))
                    lstrcpyW (psfi->szDisplayName, szLocation);
                else
                    ret = FALSE;

                IExtractIconA_Release(pei);
            }
        }
        else
        {
            if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
            {
                strcpyW(psfi->szDisplayName, swShell32Name);
                psfi->iIcon = SIC_GetIconIndex(swShell32Name, -IDI_SHELL_FOLDER, 0);
            }
            else
            {
                WCHAR sTemp [MAX_PATH];
                WCHAR * szExt;
                DWORD dwNr=0;
                static const WCHAR p1W[] = {'%','1',0};

                lstrcpynW(sTemp, szFullPath, MAX_PATH);

                psfi->iIcon = 0;
                szExt = (LPWSTR) PathFindExtensionW(sTemp);
                if ( szExt &&
                     HCR_MapTypeToValueW(szExt, sTemp, MAX_PATH, TRUE) &&
                     HCR_GetDefaultIconW(sTemp, sTemp, MAX_PATH, &dwNr))
                {
                    if (!lstrcmpW(p1W,sTemp))            /* icon is in the file */
                        strcpyW(psfi->szDisplayName, szFullPath);
                    else
                        strcpyW(psfi->szDisplayName, sTemp);

                    psfi->iIcon = SIC_GetIconIndex(psfi->szDisplayName, dwNr, 0);
                    if (psfi->iIcon == -1)
                        psfi->iIcon = 0;
                }
            }
        }
    }

    /* get icon index (or load icon)*/
    if (SUCCEEDED(hr) && (flags & (SHGFI_ICON | SHGFI_SYSICONINDEX)))
    {
        if (flags & SHGFI_USEFILEATTRIBUTES)
        {
            WCHAR sTemp [MAX_PATH];
            WCHAR * szExt;
            DWORD dwNr=0;

            lstrcpynW(sTemp, szFullPath, MAX_PATH);

            if (dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
                psfi->iIcon = SIC_GetIconIndex(swShell32Name, -IDI_SHELL_FOLDER, 0);
            else
            {
                static const WCHAR p1W[] = {'%','1',0};

                psfi->iIcon = 0;
                szExt = (LPWSTR) PathFindExtensionW(sTemp);
                if ( szExt &&
                     HCR_MapTypeToValueW(szExt, sTemp, MAX_PATH, TRUE) &&
                     HCR_GetDefaultIconW(sTemp, sTemp, MAX_PATH, &dwNr))
                {
                    if (!lstrcmpW(p1W,sTemp))            /* icon is in the file */
                        strcpyW(sTemp, szFullPath);

                    if (flags & SHGFI_SYSICONINDEX) 
                    {
                        psfi->iIcon = SIC_GetIconIndex(sTemp,dwNr,0);
                        if (psfi->iIcon == -1)
                            psfi->iIcon = 0;
                    }
                    else 
                    {
                        IconNotYetLoaded=FALSE;
                        if (flags & SHGFI_SMALLICON)
                            PrivateExtractIconsW( sTemp,dwNr,
                                GetSystemMetrics( SM_CXSMICON ),
                                GetSystemMetrics( SM_CYSMICON ),
                                &psfi->hIcon, 0, 1, 0);
                        else
                            PrivateExtractIconsW( sTemp, dwNr,
                                GetSystemMetrics( SM_CXICON),
                                GetSystemMetrics( SM_CYICON),
                                &psfi->hIcon, 0, 1, 0);
                        psfi->iIcon = dwNr;
                    }
                }
            }
        }
        else
        {
            if (!(PidlToSicIndex(psfParent, pidlLast, !(flags & SHGFI_SMALLICON),
                uGilFlags, &(psfi->iIcon))))
            {
                ret = FALSE;
            }
        }
        if (ret)
        {
            if (flags & SHGFI_SMALLICON)
                ret = (DWORD_PTR) ShellSmallIconList;
            else
                ret = (DWORD_PTR) ShellBigIconList;
        }
    }

    /* icon handle */
    if (SUCCEEDED(hr) && (flags & SHGFI_ICON) && IconNotYetLoaded)
    {
        if (flags & SHGFI_SMALLICON)
            psfi->hIcon = ImageList_GetIcon( ShellSmallIconList, psfi->iIcon, ILD_NORMAL);
        else
            psfi->hIcon = ImageList_GetIcon( ShellBigIconList, psfi->iIcon, ILD_NORMAL);
    }

    if (flags & ~SHGFI_KNOWN_FLAGS)
        FIXME("unknown flags %08x\n", flags & ~SHGFI_KNOWN_FLAGS);

    if (psfParent)
        IShellFolder_Release(psfParent);

    if (hr != S_OK)
        ret = FALSE;

    if (pidlLast)
        SHFree(pidlLast);

#ifdef MORE_DEBUG
    TRACE ("icon=%p index=0x%08x attr=0x%08lx name=%s type=%s ret=0x%08lx\n",
           psfi->hIcon, psfi->iIcon, psfi->dwAttributes,
           debugstr_w(psfi->szDisplayName), debugstr_w(psfi->szTypeName), ret);
#endif

    return ret;
}

/*************************************************************************
 * SHGetFileInfoA            [SHELL32.@]
 */
DWORD_PTR WINAPI SHGetFileInfoA(LPCSTR path,DWORD dwFileAttributes,
                                SHFILEINFOA *psfi, UINT sizeofpsfi,
                                UINT flags )
{
    INT len;
    LPWSTR temppath;
    DWORD ret;
    SHFILEINFOW temppsfi;

    if (flags & SHGFI_PIDL)
    {
        /* path contains a pidl */
        temppath = (LPWSTR) path;
    }
    else
    {
        len = MultiByteToWideChar(CP_ACP, 0, path, -1, NULL, 0);
        temppath = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
        MultiByteToWideChar(CP_ACP, 0, path, -1, temppath, len);
    }

    if (psfi && (flags & SHGFI_ATTR_SPECIFIED))
        temppsfi.dwAttributes=psfi->dwAttributes;

    if (psfi == NULL)
        ret = SHGetFileInfoW(temppath, dwFileAttributes, NULL, sizeof(temppsfi), flags);
    else
        ret = SHGetFileInfoW(temppath, dwFileAttributes, &temppsfi, sizeof(temppsfi), flags);

    if (psfi)
    {
        if(flags & SHGFI_ICON)
            psfi->hIcon=temppsfi.hIcon;
        if(flags & (SHGFI_SYSICONINDEX|SHGFI_ICON|SHGFI_ICONLOCATION))
            psfi->iIcon=temppsfi.iIcon;
        if(flags & SHGFI_ATTRIBUTES)
            psfi->dwAttributes=temppsfi.dwAttributes;
        if(flags & (SHGFI_DISPLAYNAME|SHGFI_ICONLOCATION))
        {
            WideCharToMultiByte(CP_ACP, 0, temppsfi.szDisplayName, -1,
                  psfi->szDisplayName, sizeof(psfi->szDisplayName), NULL, NULL);
        }
        if(flags & SHGFI_TYPENAME)
        {
            WideCharToMultiByte(CP_ACP, 0, temppsfi.szTypeName, -1,
                  psfi->szTypeName, sizeof(psfi->szTypeName), NULL, NULL);
        }
    }

    if (!(flags & SHGFI_PIDL))
        HeapFree(GetProcessHeap(), 0, temppath);

    return ret;
}

/*************************************************************************
 * DuplicateIcon            [SHELL32.@]
 */
HICON WINAPI DuplicateIcon( HINSTANCE hInstance, HICON hIcon)
{
    ICONINFO IconInfo;
    HICON hDupIcon = 0;

    TRACE("%p %p\n", hInstance, hIcon);

    if (GetIconInfo(hIcon, &IconInfo))
    {
        hDupIcon = CreateIconIndirect(&IconInfo);

        /* clean up hbmMask and hbmColor */
        DeleteObject(IconInfo.hbmMask);
        DeleteObject(IconInfo.hbmColor);
    }

    return hDupIcon;
}

/*************************************************************************
 * ExtractIconA                [SHELL32.@]
 */
HICON WINAPI ExtractIconA(HINSTANCE hInstance, LPCSTR lpszFile, UINT nIconIndex)
{   
    HICON ret;
    INT len = MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, NULL, 0);
    LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));

    TRACE("%p %s %d\n", hInstance, lpszFile, nIconIndex);

    MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, lpwstrFile, len);
    ret = ExtractIconW(hInstance, lpwstrFile, nIconIndex);
    HeapFree(GetProcessHeap(), 0, lpwstrFile);

    return ret;
}

/*************************************************************************
 * ExtractIconW                [SHELL32.@]
 */
HICON WINAPI ExtractIconW(HINSTANCE hInstance, LPCWSTR lpszFile, UINT nIconIndex)
{
    HICON  hIcon = NULL;
    UINT ret;
    UINT cx = GetSystemMetrics(SM_CXICON), cy = GetSystemMetrics(SM_CYICON);

    TRACE("%p %s %d\n", hInstance, debugstr_w(lpszFile), nIconIndex);

    if (nIconIndex == 0xFFFFFFFF)
    {
        ret = PrivateExtractIconsW(lpszFile, 0, cx, cy, NULL, NULL, 0, LR_DEFAULTCOLOR);
        if (ret != 0xFFFFFFFF && ret)
            return (HICON)(UINT_PTR)ret;
        return NULL;
    }
    else
        ret = PrivateExtractIconsW(lpszFile, nIconIndex, cx, cy, &hIcon, NULL, 1, LR_DEFAULTCOLOR);

    if (ret == 0xFFFFFFFF)
        return (HICON)1;
    else if (ret > 0 && hIcon)
        return hIcon;

    return NULL;
}

/*************************************************************************
 * Printer_LoadIconsW        [SHELL32.205]
 */
VOID WINAPI Printer_LoadIconsW(LPCWSTR wsPrinterName, HICON * pLargeIcon, HICON * pSmallIcon)
{
    INT iconindex=IDI_SHELL_PRINTER;

    TRACE("(%s, %p, %p)\n", debugstr_w(wsPrinterName), pLargeIcon, pSmallIcon);

    /* We should check if wsPrinterName is
       1. the Default Printer or not
       2. connected or not
       3. a Local Printer or a Network-Printer
       and use different Icons
    */
    if((wsPrinterName != NULL) && (wsPrinterName[0] != 0))
    {
        FIXME("(select Icon by PrinterName %s not implemented)\n", debugstr_w(wsPrinterName));
    }

    if(pLargeIcon != NULL)
        *pLargeIcon = LoadImageW(shell32_hInstance,
                                 (LPCWSTR) MAKEINTRESOURCE(iconindex), IMAGE_ICON,
                                 0, 0, LR_DEFAULTCOLOR|LR_DEFAULTSIZE);

    if(pSmallIcon != NULL)
        *pSmallIcon = LoadImageW(shell32_hInstance,
                                 (LPCWSTR) MAKEINTRESOURCE(iconindex), IMAGE_ICON,
                                 16, 16, LR_DEFAULTCOLOR);
}

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