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winefile.c

/*
 * Winefile
 *
 * Copyright 2000, 2003, 2004, 2005 Martin Fuchs
 * Copyright 2006 Jason Green
 *
 * 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
 */

#ifdef __WINE__
#include "config.h"
#include "wine/port.h"

/* for unix filesystem function calls */
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
#endif

#define COBJMACROS

#include "winefile.h"
#include "resource.h"
#include "wine/unicode.h"

#ifdef _NO_EXTENSIONS
#undef _LEFT_FILES
#endif

#ifndef _MAX_PATH
#define _MAX_DRIVE          3
#define _MAX_FNAME          256
#define _MAX_DIR            _MAX_FNAME
#define _MAX_EXT            _MAX_FNAME
#define _MAX_PATH           260
#endif

#ifdef NONAMELESSUNION
#define     UNION_MEMBER(x) DUMMYUNIONNAME.x
#else
#define     UNION_MEMBER(x) x
#endif


#ifdef _SHELL_FOLDERS
#define     DEFAULT_SPLIT_POS 300
#else
#define     DEFAULT_SPLIT_POS 200
#endif

static const WCHAR registry_key[] = { 'S','o','f','t','w','a','r','e','\\',
                                      'W','i','n','e','\\',
                                      'W','i','n','e','F','i','l','e','\0'};
static const WCHAR reg_start_x[] = { 's','t','a','r','t','X','\0'};
static const WCHAR reg_start_y[] = { 's','t','a','r','t','Y','\0'};
static const WCHAR reg_width[] = { 'w','i','d','t','h','\0'};
static const WCHAR reg_height[] = { 'h','e','i','g','h','t','\0'};
static const WCHAR reg_logfont[] = { 'l','o','g','f','o','n','t','\0'};

enum ENTRY_TYPE {
      ET_WINDOWS,
      ET_UNIX,
#ifdef _SHELL_FOLDERS
      ET_SHELL
#endif
};

typedef struct _Entry {
      struct _Entry*    next;
      struct _Entry*    down;
      struct _Entry*    up;

      BOOL              expanded;
      BOOL              scanned;
      int                     level;

      WIN32_FIND_DATAW  data;

#ifndef _NO_EXTENSIONS
      BY_HANDLE_FILE_INFORMATION bhfi;
      BOOL              bhfi_valid;
      enum ENTRY_TYPE   etype;
#endif
#ifdef _SHELL_FOLDERS
      LPITEMIDLIST      pidl;
      IShellFolder*     folder;
      HICON             hicon;
#endif
} Entry;

typedef struct {
      Entry entry;
      WCHAR path[MAX_PATH];
      WCHAR volname[_MAX_FNAME];
      WCHAR fs[_MAX_DIR];
      DWORD drive_type;
      DWORD fs_flags;
} Root;

enum COLUMN_FLAGS {
      COL_SIZE          = 0x01,
      COL_DATE          = 0x02,
      COL_TIME          = 0x04,
      COL_ATTRIBUTES    = 0x08,
      COL_DOSNAMES      = 0x10,
#ifdef _NO_EXTENSIONS
      COL_ALL = COL_SIZE|COL_DATE|COL_TIME|COL_ATTRIBUTES|COL_DOSNAMES
#else
      COL_INDEX         = 0x20,
      COL_LINKS         = 0x40,
      COL_ALL = COL_SIZE|COL_DATE|COL_TIME|COL_ATTRIBUTES|COL_DOSNAMES|COL_INDEX|COL_LINKS
#endif
};

typedef enum {
      SORT_NAME,
      SORT_EXT,
      SORT_SIZE,
      SORT_DATE
} SORT_ORDER;

typedef struct {
      HWND  hwnd;
#ifndef _NO_EXTENSIONS
      HWND  hwndHeader;
#endif

#ifndef _NO_EXTENSIONS
#define     COLUMNS     10
#else
#define     COLUMNS     5
#endif
      int         widths[COLUMNS];
      int         positions[COLUMNS+1];

      BOOL  treePane;
      int         visible_cols;
      Entry*      root;
      Entry*      cur;
} Pane;

typedef struct {
      HWND  hwnd;
      Pane  left;
      Pane  right;
      int         focus_pane;       /* 0: left  1: right */
      WINDOWPLACEMENT pos;
      int         split_pos;
      BOOL  header_wdths_ok;

      WCHAR path[MAX_PATH];
      WCHAR filter_pattern[MAX_PATH];
      int         filter_flags;
      Root  root;

      SORT_ORDER sortOrder;
} ChildWnd;



static void read_directory(Entry* dir, LPCWSTR path, SORT_ORDER sortOrder, HWND hwnd);
static void set_curdir(ChildWnd* child, Entry* entry, int idx, HWND hwnd);
static void refresh_child(ChildWnd* child);
static void refresh_drives(void);
static void get_path(Entry* dir, PWSTR path);
static void format_date(const FILETIME* ft, WCHAR* buffer, int visible_cols);

static LRESULT CALLBACK FrameWndProc(HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam);
static LRESULT CALLBACK ChildWndProc(HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam);
static LRESULT CALLBACK TreeWndProc(HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam);


/* globals */
WINEFILE_GLOBALS Globals;

static int last_split;

/* some common string constants */
static const WCHAR sEmpty[] = {'\0'};
static const WCHAR sSpace[] = {' ', '\0'};
static const WCHAR sNumFmt[] = {'%','d','\0'};
static const WCHAR sQMarks[] = {'?','?','?','\0'};

/* window class names */
static const WCHAR sWINEFILEFRAME[] = {'W','F','S','_','F','r','a','m','e','\0'};
static const WCHAR sWINEFILETREE[] = {'W','F','S','_','T','r','e','e','\0'};

static void format_longlong(LPWSTR ret, ULONGLONG val)
{
    WCHAR buffer[65], *p = &buffer[64];

    *p = 0;
    do {
        *(--p) = '0' + val % 10;
      val /= 10;
    } while (val);
    lstrcpyW( ret, p );
}


/* load resource string */
static LPWSTR load_string(LPWSTR buffer, DWORD size, UINT id)
{
      LoadStringW(Globals.hInstance, id, buffer, size);
      return buffer;
}

#define RS(b, i) load_string(b, sizeof(b)/sizeof(b[0]), i)


/* display error message for the specified WIN32 error code */
static void display_error(HWND hwnd, DWORD error)
{
      WCHAR b1[BUFFER_LEN], b2[BUFFER_LEN];
      PWSTR msg;

      if (FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
            0, error, MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT), (PWSTR)&msg, 0, NULL))
            MessageBoxW(hwnd, msg, RS(b2,IDS_WINEFILE), MB_OK);
      else
            MessageBoxW(hwnd, RS(b1,IDS_ERROR), RS(b2,IDS_WINEFILE), MB_OK);

      LocalFree(msg);
}


/* display network error message using WNetGetLastErrorW() */
static void display_network_error(HWND hwnd)
{
      WCHAR msg[BUFFER_LEN], provider[BUFFER_LEN], b2[BUFFER_LEN];
      DWORD error;

      if (WNetGetLastErrorW(&error, msg, BUFFER_LEN, provider, BUFFER_LEN) == NO_ERROR)
            MessageBoxW(hwnd, msg, RS(b2,IDS_WINEFILE), MB_OK);
}

static inline BOOL get_check(HWND hwnd, INT id)
{
      return BST_CHECKED&SendMessageW(GetDlgItem(hwnd, id), BM_GETSTATE, 0, 0);
}

static inline INT set_check(HWND hwnd, INT id, BOOL on)
{
      return SendMessageW(GetDlgItem(hwnd, id), BM_SETCHECK, on?BST_CHECKED:BST_UNCHECKED, 0);
}

static inline void choose_font(HWND hwnd)
{
        WCHAR dlg_name[BUFFER_LEN], dlg_info[BUFFER_LEN];
        CHOOSEFONTW chFont;
        LOGFONTW lFont;

        HDC hdc = GetDC(hwnd);
        chFont.lStructSize = sizeof(CHOOSEFONTW);
        chFont.hwndOwner = hwnd;
        chFont.hDC = NULL;
        chFont.lpLogFont = &lFont;
        chFont.Flags = CF_SCREENFONTS | CF_FORCEFONTEXIST | CF_LIMITSIZE | CF_NOSCRIPTSEL;
        chFont.rgbColors = RGB(0,0,0);
        chFont.lCustData = 0;
        chFont.lpfnHook = NULL;
        chFont.lpTemplateName = NULL;
        chFont.hInstance = Globals.hInstance;
        chFont.lpszStyle = NULL;
        chFont.nFontType = SIMULATED_FONTTYPE;
        chFont.nSizeMin = 0;
        chFont.nSizeMax = 24;

        if (ChooseFontW(&chFont)) {
                HWND childWnd;
                HFONT hFontOld;

                DeleteObject(Globals.hfont);
                Globals.hfont = CreateFontIndirectW(&lFont);
                hFontOld = SelectObject(hdc, Globals.hfont);
                GetTextExtentPoint32W(hdc, sSpace, 1, &Globals.spaceSize);

                /* change font in all open child windows */
                for(childWnd=GetWindow(Globals.hmdiclient,GW_CHILD); childWnd; childWnd=GetNextWindow(childWnd,GW_HWNDNEXT)) {
                        ChildWnd* child = (ChildWnd*) GetWindowLongPtrW(childWnd, GWLP_USERDATA);
                        SendMessageW(child->left.hwnd, WM_SETFONT, (WPARAM)Globals.hfont, TRUE);
                        SendMessageW(child->right.hwnd, WM_SETFONT, (WPARAM)Globals.hfont, TRUE);
                        SendMessageW(child->left.hwnd, LB_SETITEMHEIGHT, 1, max(Globals.spaceSize.cy,IMAGE_HEIGHT+3));
                        SendMessageW(child->right.hwnd, LB_SETITEMHEIGHT, 1, max(Globals.spaceSize.cy,IMAGE_HEIGHT+3));
                        InvalidateRect(child->left.hwnd, NULL, TRUE);
                        InvalidateRect(child->right.hwnd, NULL, TRUE);
                }

                SelectObject(hdc, hFontOld);
        }
        else if (CommDlgExtendedError()) {
                LoadStringW(Globals.hInstance, IDS_FONT_SEL_DLG_NAME, dlg_name, BUFFER_LEN);
                LoadStringW(Globals.hInstance, IDS_FONT_SEL_ERROR, dlg_info, BUFFER_LEN);
                MessageBoxW(hwnd, dlg_info, dlg_name, MB_OK);
        }

        ReleaseDC(hwnd, hdc);
}


/* allocate and initialise a directory entry */
static Entry* alloc_entry(void)
{
      Entry* entry = HeapAlloc(GetProcessHeap(), 0, sizeof(Entry));

#ifdef _SHELL_FOLDERS
      entry->pidl = NULL;
      entry->folder = NULL;
      entry->hicon = 0;
#endif

      return entry;
}

/* free a directory entry */
static void free_entry(Entry* entry)
{
#ifdef _SHELL_FOLDERS
      if (entry->hicon && entry->hicon!=(HICON)-1)
            DestroyIcon(entry->hicon);

      if (entry->folder && entry->folder!=Globals.iDesktop)
            IShellFolder_Release(entry->folder);

      if (entry->pidl)
            IMalloc_Free(Globals.iMalloc, entry->pidl);
#endif

      HeapFree(GetProcessHeap(), 0, entry);
}

/* recursively free all child entries */
static void free_entries(Entry* dir)
{
      Entry *entry, *next=dir->down;

      if (next) {
            dir->down = 0;

            do {
                  entry = next;
                  next = entry->next;

                  free_entries(entry);
                  free_entry(entry);
            } while(next);
      }
}


static void read_directory_win(Entry* dir, LPCWSTR path)
{
      Entry* first_entry = NULL;
      Entry* last = NULL;
      Entry* entry;

      int level = dir->level + 1;
      WIN32_FIND_DATAW w32fd;
      HANDLE hFind;
#ifndef _NO_EXTENSIONS
      HANDLE hFile;
#endif

      WCHAR buffer[MAX_PATH], *p;
      for(p=buffer; *path; )
            *p++ = *path++;

      *p++ = '\\';
      p[0] = '*';
      p[1] = '\0';

      hFind = FindFirstFileW(buffer, &w32fd);

      if (hFind != INVALID_HANDLE_VALUE) {
            do {
#ifdef _NO_EXTENSIONS
                  /* hide directory entry "." */
                  if (w32fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
                        LPCWSTR name = w32fd.cFileName;

                        if (name[0]=='.' && name[1]=='\0')
                              continue;
                  }
#endif
                  entry = alloc_entry();

                  if (!first_entry)
                        first_entry = entry;

                  if (last)
                        last->next = entry;

                  memcpy(&entry->data, &w32fd, sizeof(WIN32_FIND_DATAW));
                  entry->down = NULL;
                  entry->up = dir;
                  entry->expanded = FALSE;
                  entry->scanned = FALSE;
                  entry->level = level;

#ifndef _NO_EXTENSIONS
                  entry->etype = ET_WINDOWS;
                  entry->bhfi_valid = FALSE;

                  lstrcpyW(p, entry->data.cFileName);

                  hFile = CreateFileW(buffer, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
                                                0, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0);

                  if (hFile != INVALID_HANDLE_VALUE) {
                        if (GetFileInformationByHandle(hFile, &entry->bhfi))
                              entry->bhfi_valid = TRUE;

                        CloseHandle(hFile);
                  }
#endif

                  last = entry;
            } while(FindNextFileW(hFind, &w32fd));

            if (last)
                  last->next = NULL;

            FindClose(hFind);
      }

      dir->down = first_entry;
      dir->scanned = TRUE;
}


static Entry* find_entry_win(Entry* dir, LPCWSTR name)
{
      Entry* entry;

      for(entry=dir->down; entry; entry=entry->next) {
            LPCWSTR p = name;
            LPCWSTR q = entry->data.cFileName;

            do {
                  if (!*p || *p == '\\' || *p == '/')
                        return entry;
            } while(tolower(*p++) == tolower(*q++));

            p = name;
            q = entry->data.cAlternateFileName;

            do {
                  if (!*p || *p == '\\' || *p == '/')
                        return entry;
            } while(tolower(*p++) == tolower(*q++));
      }

      return 0;
}


static Entry* read_tree_win(Root* root, LPCWSTR path, SORT_ORDER sortOrder, HWND hwnd)
{
      WCHAR buffer[MAX_PATH];
      Entry* entry = &root->entry;
      LPCWSTR s = path;
      PWSTR d = buffer;

      HCURSOR old_cursor = SetCursor(LoadCursorW(0, (LPCWSTR)IDC_WAIT));

#ifndef _NO_EXTENSIONS
      entry->etype = ET_WINDOWS;
#endif

      while(entry) {
            while(*s && *s != '\\' && *s != '/')
                  *d++ = *s++;

            while(*s == '\\' || *s == '/')
                  s++;

            *d++ = '\\';
            *d = '\0';

            read_directory(entry, buffer, sortOrder, hwnd);

            if (entry->down)
                  entry->expanded = TRUE;

            if (!*s)
                  break;

            entry = find_entry_win(entry, s);
      }

      SetCursor(old_cursor);

      return entry;
}


#if !defined(_NO_EXTENSIONS) && defined(__WINE__)

static BOOL time_to_filetime(const time_t* t, FILETIME* ftime)
{
      struct tm* tm = gmtime(t);
      SYSTEMTIME stime;

      if (!tm)
            return FALSE;

      stime.wYear = tm->tm_year+1900;
      stime.wMonth = tm->tm_mon+1;
      /*    stime.wDayOfWeek */
      stime.wDay = tm->tm_mday;
      stime.wHour = tm->tm_hour;
      stime.wMinute = tm->tm_min;
      stime.wSecond = tm->tm_sec;

      return SystemTimeToFileTime(&stime, ftime);
}

static void read_directory_unix(Entry* dir, LPCWSTR path)
{
      Entry* first_entry = NULL;
      Entry* last = NULL;
      Entry* entry;
      DIR* pdir;

      int level = dir->level + 1;
      char cpath[MAX_PATH];

      WideCharToMultiByte(CP_UNIXCP, 0, path, -1, cpath, MAX_PATH, NULL, NULL);
      pdir = opendir(cpath);

      if (pdir) {
            struct stat st;
            struct dirent* ent;
            char buffer[MAX_PATH], *p;
            const char* s;

            for(p=buffer,s=cpath; *s; )
                  *p++ = *s++;

            if (p==buffer || p[-1]!='/')
                  *p++ = '/';

            while((ent=readdir(pdir))) {
                  entry = alloc_entry();

                  if (!first_entry)
                        first_entry = entry;

                  if (last)
                        last->next = entry;

                  entry->etype = ET_UNIX;

                  strcpy(p, ent->d_name);
                  MultiByteToWideChar(CP_UNIXCP, 0, p, -1, entry->data.cFileName, MAX_PATH);

                  if (!stat(buffer, &st)) {
                        entry->data.dwFileAttributes = p[0]=='.'? FILE_ATTRIBUTE_HIDDEN: 0;

                        if (S_ISDIR(st.st_mode))
                              entry->data.dwFileAttributes |= FILE_ATTRIBUTE_DIRECTORY;

                        entry->data.nFileSizeLow = st.st_size & 0xFFFFFFFF;
                        entry->data.nFileSizeHigh = st.st_size >> 32;

                        memset(&entry->data.ftCreationTime, 0, sizeof(FILETIME));
                        time_to_filetime(&st.st_atime, &entry->data.ftLastAccessTime);
                        time_to_filetime(&st.st_mtime, &entry->data.ftLastWriteTime);

                        entry->bhfi.nFileIndexLow = ent->d_ino;
                        entry->bhfi.nFileIndexHigh = 0;

                        entry->bhfi.nNumberOfLinks = st.st_nlink;

                        entry->bhfi_valid = TRUE;
                  } else {
                        entry->data.nFileSizeLow = 0;
                        entry->data.nFileSizeHigh = 0;
                        entry->bhfi_valid = FALSE;
                  }

                  entry->down = NULL;
                  entry->up = dir;
                  entry->expanded = FALSE;
                  entry->scanned = FALSE;
                  entry->level = level;

                  last = entry;
            }

            if (last)
                  last->next = NULL;

            closedir(pdir);
      }

      dir->down = first_entry;
      dir->scanned = TRUE;
}

static Entry* find_entry_unix(Entry* dir, LPCWSTR name)
{
      Entry* entry;

      for(entry=dir->down; entry; entry=entry->next) {
            LPCWSTR p = name;
            LPCWSTR q = entry->data.cFileName;

            do {
                  if (!*p || *p == '/')
                        return entry;
            } while(*p++ == *q++);
      }

      return 0;
}

static Entry* read_tree_unix(Root* root, LPCWSTR path, SORT_ORDER sortOrder, HWND hwnd)
{
      WCHAR buffer[MAX_PATH];
      Entry* entry = &root->entry;
      LPCWSTR s = path;
      PWSTR d = buffer;

      HCURSOR old_cursor = SetCursor(LoadCursorW(0, (LPCWSTR)IDC_WAIT));

      entry->etype = ET_UNIX;

      while(entry) {
            while(*s && *s != '/')
                  *d++ = *s++;

            while(*s == '/')
                  s++;

            *d++ = '/';
            *d = '\0';

            read_directory(entry, buffer, sortOrder, hwnd);

            if (entry->down)
                  entry->expanded = TRUE;

            if (!*s)
                  break;

            entry = find_entry_unix(entry, s);
      }

      SetCursor(old_cursor);

      return entry;
}

#endif /* !defined(_NO_EXTENSIONS) && defined(__WINE__) */


#ifdef _SHELL_FOLDERS

static void free_strret(STRRET* str)
{
      if (str->uType == STRRET_WSTR)
            IMalloc_Free(Globals.iMalloc, str->UNION_MEMBER(pOleStr));
}

static LPWSTR wcscpyn(LPWSTR dest, LPCWSTR source, size_t count)
{
 LPCWSTR s;
 LPWSTR d = dest;

 for(s=source; count&&(*d++=*s++); )
  count--;

 return dest;
}

static void get_strretW(STRRET* str, const SHITEMID* shiid, LPWSTR buffer, int len)
{
 switch(str->uType) {
  case STRRET_WSTR:
      wcscpyn(buffer, str->UNION_MEMBER(pOleStr), len);
      break;

  case STRRET_OFFSET:
      MultiByteToWideChar(CP_ACP, 0, (LPCSTR)shiid+str->UNION_MEMBER(uOffset), -1, buffer, len);
      break;

  case STRRET_CSTR:
      MultiByteToWideChar(CP_ACP, 0, str->UNION_MEMBER(cStr), -1, buffer, len);
 }
}


static HRESULT name_from_pidl(IShellFolder* folder, LPITEMIDLIST pidl, LPWSTR buffer, int len, SHGDNF flags)
{
      STRRET str;

      HRESULT hr = IShellFolder_GetDisplayNameOf(folder, pidl, flags, &str);

      if (SUCCEEDED(hr)) {
            get_strretW(&str, &pidl->mkid, buffer, len);
            free_strret(&str);
      } else
            buffer[0] = '\0';

      return hr;
}


static HRESULT path_from_pidlW(IShellFolder* folder, LPITEMIDLIST pidl, LPWSTR buffer, int len)
{
      STRRET str;

       /* SHGDN_FORPARSING: get full path of id list */
      HRESULT hr = IShellFolder_GetDisplayNameOf(folder, pidl, SHGDN_FORPARSING, &str);

      if (SUCCEEDED(hr)) {
            get_strretW(&str, &pidl->mkid, buffer, len);
            free_strret(&str);
      } else
            buffer[0] = '\0';

      return hr;
}


 /* create an item id list from a file system path */

static LPITEMIDLIST get_path_pidl(LPWSTR path, HWND hwnd)
{
      LPITEMIDLIST pidl;
      HRESULT hr;
      ULONG len;
      LPWSTR buffer = path;

      hr = IShellFolder_ParseDisplayName(Globals.iDesktop, hwnd, NULL, buffer, &len, &pidl, NULL);
      if (FAILED(hr))
            return NULL;

      return pidl;
}


 /* convert an item id list from relative to absolute (=relative to the desktop) format */

static LPITEMIDLIST get_to_absolute_pidl(Entry* entry, HWND hwnd)
{
      if (entry->up && entry->up->etype==ET_SHELL) {
            LPITEMIDLIST idl = NULL;

            while (entry->up) {
                  idl = ILCombine(ILClone(entry->pidl), idl);
                  entry = entry->up;
            }

            return idl;
      } else if (entry->etype == ET_WINDOWS) {
            WCHAR path[MAX_PATH];

            get_path(entry, path);

            return get_path_pidl(path, hwnd);
      } else if (entry->pidl)
            return ILClone(entry->pidl);

      return NULL;
}


static HICON extract_icon(IShellFolder* folder, LPCITEMIDLIST pidl)
{
      IExtractIconW* pExtract;

      if (SUCCEEDED(IShellFolder_GetUIObjectOf(folder, 0, 1, (LPCITEMIDLIST*)&pidl, &IID_IExtractIconW, 0, (LPVOID*)&pExtract))) {
            WCHAR path[_MAX_PATH];
            unsigned flags;
            HICON hicon;
            int idx;

            if (SUCCEEDED(IExtractIconW_GetIconLocation(pExtract, GIL_FORSHELL, path, _MAX_PATH, &idx, &flags))) {
                  if (!(flags & GIL_NOTFILENAME)) {
                        if (idx == -1)
                              idx = 0;    /* special case for some control panel applications */

                        if ((int)ExtractIconExW(path, idx, 0, &hicon, 1) > 0)
                              flags &= ~GIL_DONTCACHE;
                  } else {
                        HICON hIconLarge = 0;

                        HRESULT hr = IExtractIconW_Extract(pExtract, path, idx, &hIconLarge, &hicon, MAKELONG(0/*GetSystemMetrics(SM_CXICON)*/,GetSystemMetrics(SM_CXSMICON)));

                        if (SUCCEEDED(hr))
                              DestroyIcon(hIconLarge);
                  }

                  return hicon;
            }
      }

      return 0;
}


static Entry* find_entry_shell(Entry* dir, LPCITEMIDLIST pidl)
{
      Entry* entry;

      for(entry=dir->down; entry; entry=entry->next) {
            if (entry->pidl->mkid.cb == pidl->mkid.cb &&
                  !memcmp(entry->pidl, pidl, entry->pidl->mkid.cb))
                  return entry;
      }

      return 0;
}

static Entry* read_tree_shell(Root* root, LPITEMIDLIST pidl, SORT_ORDER sortOrder, HWND hwnd)
{
      Entry* entry = &root->entry;
      Entry* next;
      LPITEMIDLIST next_pidl = pidl;
      IShellFolder* folder;
      IShellFolder* child = NULL;
      HRESULT hr;

      HCURSOR old_cursor = SetCursor(LoadCursorW(0, (LPCWSTR)IDC_WAIT));

#ifndef _NO_EXTENSIONS
      entry->etype = ET_SHELL;
#endif

      folder = Globals.iDesktop;

      while(entry) {
            entry->pidl = next_pidl;
            entry->folder = folder;

            if (!pidl->mkid.cb)
                  break;

             /* copy first element of item idlist */
            next_pidl = IMalloc_Alloc(Globals.iMalloc, pidl->mkid.cb+sizeof(USHORT));
            memcpy(next_pidl, pidl, pidl->mkid.cb);
            ((LPITEMIDLIST)((LPBYTE)next_pidl+pidl->mkid.cb))->mkid.cb = 0;

            hr = IShellFolder_BindToObject(folder, next_pidl, 0, &IID_IShellFolder, (void**)&child);
            if (FAILED(hr))
                  break;

            read_directory(entry, NULL, sortOrder, hwnd);

            if (entry->down)
                  entry->expanded = TRUE;

            next = find_entry_shell(entry, next_pidl);
            if (!next)
                  break;

            folder = child;
            entry = next;

             /* go to next element */
            pidl = (LPITEMIDLIST) ((LPBYTE)pidl+pidl->mkid.cb);
      }

      SetCursor(old_cursor);

      return entry;
}


static void fill_w32fdata_shell(IShellFolder* folder, LPCITEMIDLIST pidl, SFGAOF attribs, WIN32_FIND_DATAW* w32fdata)
{
      if (!(attribs & SFGAO_FILESYSTEM) ||
                  FAILED(SHGetDataFromIDListW(folder, pidl, SHGDFIL_FINDDATA, w32fdata, sizeof(WIN32_FIND_DATAW)))) {
            WIN32_FILE_ATTRIBUTE_DATA fad;
            IDataObject* pDataObj;

            STGMEDIUM medium = {0, {0}, 0};
            FORMATETC fmt = {Globals.cfStrFName, 0, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};

            HRESULT hr = IShellFolder_GetUIObjectOf(folder, 0, 1, &pidl, &IID_IDataObject, 0, (LPVOID*)&pDataObj);

            if (SUCCEEDED(hr)) {
                  hr = IDataObject_GetData(pDataObj, &fmt, &medium);

                  IDataObject_Release(pDataObj);

                  if (SUCCEEDED(hr)) {
                        LPCWSTR path = GlobalLock(medium.UNION_MEMBER(hGlobal));
                        UINT sem_org = SetErrorMode(SEM_FAILCRITICALERRORS);

                        if (GetFileAttributesExW(path, GetFileExInfoStandard, &fad)) {
                              w32fdata->dwFileAttributes = fad.dwFileAttributes;
                              w32fdata->ftCreationTime = fad.ftCreationTime;
                              w32fdata->ftLastAccessTime = fad.ftLastAccessTime;
                              w32fdata->ftLastWriteTime = fad.ftLastWriteTime;

                              if (!(fad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
                                    w32fdata->nFileSizeLow = fad.nFileSizeLow;
                                    w32fdata->nFileSizeHigh = fad.nFileSizeHigh;
                              }
                        }

                        SetErrorMode(sem_org);

                        GlobalUnlock(medium.UNION_MEMBER(hGlobal));
                        GlobalFree(medium.UNION_MEMBER(hGlobal));
                  }
            }
      }

      if (attribs & (SFGAO_FOLDER|SFGAO_HASSUBFOLDER))
            w32fdata->dwFileAttributes |= FILE_ATTRIBUTE_DIRECTORY;

      if (attribs & SFGAO_READONLY)
            w32fdata->dwFileAttributes |= FILE_ATTRIBUTE_READONLY;

      if (attribs & SFGAO_COMPRESSED)
            w32fdata->dwFileAttributes |= FILE_ATTRIBUTE_COMPRESSED;
}


static void read_directory_shell(Entry* dir, HWND hwnd)
{
      IShellFolder* folder = dir->folder;
      int level = dir->level + 1;
      HRESULT hr;

      IShellFolder* child;
      IEnumIDList* idlist;

      Entry* first_entry = NULL;
      Entry* last = NULL;
      Entry* entry;

      if (!folder)
            return;

      hr = IShellFolder_EnumObjects(folder, hwnd, SHCONTF_FOLDERS|SHCONTF_NONFOLDERS|SHCONTF_INCLUDEHIDDEN|SHCONTF_SHAREABLE|SHCONTF_STORAGE, &idlist);

      if (SUCCEEDED(hr)) {
            for(;;) {
#define     FETCH_ITEM_COUNT  32
                  LPITEMIDLIST pidls[FETCH_ITEM_COUNT];
                  SFGAOF attribs;
                  ULONG cnt = 0;
                  ULONG n;

                  memset(pidls, 0, sizeof(pidls));

                  hr = IEnumIDList_Next(idlist, FETCH_ITEM_COUNT, pidls, &cnt);
                  if (FAILED(hr))
                        break;

                  if (hr == S_FALSE)
                        break;

                  for(n=0; n<cnt; ++n) {
                        entry = alloc_entry();

                        if (!first_entry)
                              first_entry = entry;

                        if (last)
                              last->next = entry;

                        memset(&entry->data, 0, sizeof(WIN32_FIND_DATAW));
                        entry->bhfi_valid = FALSE;

                        attribs = ~SFGAO_FILESYSTEM;  /*SFGAO_HASSUBFOLDER|SFGAO_FOLDER; SFGAO_FILESYSTEM sorgt dafür, daß "My Documents" anstatt von "Martin's Documents" angezeigt wird */

                        hr = IShellFolder_GetAttributesOf(folder, 1, (LPCITEMIDLIST*)&pidls[n], &attribs);

                        if (SUCCEEDED(hr)) {
                              if (attribs != (SFGAOF)~SFGAO_FILESYSTEM) {
                                    fill_w32fdata_shell(folder, pidls[n], attribs, &entry->data);

                                    entry->bhfi_valid = TRUE;
                              } else
                                    attribs = 0;
                        } else
                              attribs = 0;

                        entry->pidl = pidls[n];

                        if (entry->data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
                              hr = IShellFolder_BindToObject(folder, pidls[n], 0, &IID_IShellFolder, (void**)&child);

                              if (SUCCEEDED(hr))
                                    entry->folder = child;
                              else
                                    entry->folder = NULL;
                        }
                        else
                              entry->folder = NULL;

                        if (!entry->data.cFileName[0])
                              /*hr = */name_from_pidl(folder, pidls[n], entry->data.cFileName, MAX_PATH, /*SHGDN_INFOLDER*/0x2000/*0x2000=SHGDN_INCLUDE_NONFILESYS*/);

                         /* get display icons for files and virtual objects */
                        if (!(entry->data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
                              !(attribs & SFGAO_FILESYSTEM)) {
                              entry->hicon = extract_icon(folder, pidls[n]);

                              if (!entry->hicon)
                                    entry->hicon = (HICON)-1;     /* don't try again later */
                        }

                        entry->down = NULL;
                        entry->up = dir;
                        entry->expanded = FALSE;
                        entry->scanned = FALSE;
                        entry->level = level;

#ifndef _NO_EXTENSIONS
                        entry->etype = ET_SHELL;
                        entry->bhfi_valid = FALSE;
#endif

                        last = entry;
                  }
            }

            IEnumIDList_Release(idlist);
      }

      if (last)
            last->next = NULL;

      dir->down = first_entry;
      dir->scanned = TRUE;
}

#endif /* _SHELL_FOLDERS */


/* sort order for different directory/file types */
enum TYPE_ORDER {
      TO_DIR = 0,
      TO_DOT = 1,
      TO_DOTDOT = 2,
      TO_OTHER_DIR = 3,
      TO_FILE = 4
};

/* distinguish between ".", ".." and any other directory names */
static int TypeOrderFromDirname(LPCWSTR name)
{
      if (name[0] == '.') {
            if (name[1] == '\0')
                  return TO_DOT;    /* "." */

            if (name[1]=='.' && name[2]=='\0')
                  return TO_DOTDOT; /* ".." */
      }

      return TO_OTHER_DIR;    /* anything else */
}

/* directories first... */
static int compareType(const WIN32_FIND_DATAW* fd1, const WIN32_FIND_DATAW* fd2)
{
      int order1 = fd1->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY? TO_DIR: TO_FILE;
      int order2 = fd2->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY? TO_DIR: TO_FILE;

      /* Handle "." and ".." as special case and move them at the very first beginning. */
      if (order1==TO_DIR && order2==TO_DIR) {
            order1 = TypeOrderFromDirname(fd1->cFileName);
            order2 = TypeOrderFromDirname(fd2->cFileName);
      }

      return order2==order1? 0: order1<order2? -1: 1;
}


static int compareName(const void* arg1, const void* arg2)
{
      const WIN32_FIND_DATAW* fd1 = &(*(const Entry* const*)arg1)->data;
      const WIN32_FIND_DATAW* fd2 = &(*(const Entry* const*)arg2)->data;

      int cmp = compareType(fd1, fd2);
      if (cmp)
            return cmp;

      return lstrcmpiW(fd1->cFileName, fd2->cFileName);
}

static int compareExt(const void* arg1, const void* arg2)
{
      const WIN32_FIND_DATAW* fd1 = &(*(const Entry* const*)arg1)->data;
      const WIN32_FIND_DATAW* fd2 = &(*(const Entry* const*)arg2)->data;
      const WCHAR *name1, *name2, *ext1, *ext2;

      int cmp = compareType(fd1, fd2);
      if (cmp)
            return cmp;

      name1 = fd1->cFileName;
      name2 = fd2->cFileName;

      ext1 = strrchrW(name1, '.');
      ext2 = strrchrW(name2, '.');

      if (ext1)
            ext1++;
      else
            ext1 = sEmpty;

      if (ext2)
            ext2++;
      else
            ext2 = sEmpty;

      cmp = lstrcmpiW(ext1, ext2);
      if (cmp)
            return cmp;

      return lstrcmpiW(name1, name2);
}

static int compareSize(const void* arg1, const void* arg2)
{
      const WIN32_FIND_DATAW* fd1 = &(*(const Entry* const*)arg1)->data;
      const WIN32_FIND_DATAW* fd2 = &(*(const Entry* const*)arg2)->data;

      int cmp = compareType(fd1, fd2);
      if (cmp)
            return cmp;

      cmp = fd2->nFileSizeHigh - fd1->nFileSizeHigh;

      if (cmp < 0)
            return -1;
      else if (cmp > 0)
            return 1;

      cmp = fd2->nFileSizeLow - fd1->nFileSizeLow;

      return cmp<0? -1: cmp>0? 1: 0;
}

static int compareDate(const void* arg1, const void* arg2)
{
      const WIN32_FIND_DATAW* fd1 = &(*(const Entry* const*)arg1)->data;
      const WIN32_FIND_DATAW* fd2 = &(*(const Entry* const*)arg2)->data;

      int cmp = compareType(fd1, fd2);
      if (cmp)
            return cmp;

      return CompareFileTime(&fd2->ftLastWriteTime, &fd1->ftLastWriteTime);
}


static int (*sortFunctions[])(const void* arg1, const void* arg2) = {
      compareName,      /* SORT_NAME */
      compareExt,       /* SORT_EXT */
      compareSize,      /* SORT_SIZE */
      compareDate       /* SORT_DATE */
};


static void SortDirectory(Entry* dir, SORT_ORDER sortOrder)
{
      Entry* entry = dir->down;
      Entry** array, **p;
      int len;

      len = 0;
      for(entry=dir->down; entry; entry=entry->next)
            len++;

      if (len) {
            array = HeapAlloc(GetProcessHeap(), 0, len*sizeof(Entry*));

            p = array;
            for(entry=dir->down; entry; entry=entry->next)
                  *p++ = entry;

            /* call qsort with the appropriate compare function */
            qsort(array, len, sizeof(array[0]), sortFunctions[sortOrder]);

            dir->down = array[0];

            for(p=array; --len; p++)
                  p[0]->next = p[1];

            (*p)->next = 0;

                HeapFree(GetProcessHeap(), 0, array);
      }
}


static void read_directory(Entry* dir, LPCWSTR path, SORT_ORDER sortOrder, HWND hwnd)
{
      WCHAR buffer[MAX_PATH];
      Entry* entry;
      LPCWSTR s;
      PWSTR d;

#ifdef _SHELL_FOLDERS
      if (dir->etype == ET_SHELL)
      {
            read_directory_shell(dir, hwnd);

            if (Globals.prescan_node) {
                  s = path;
                  d = buffer;

                  while(*s)
                        *d++ = *s++;

                  *d++ = '\\';

                  for(entry=dir->down; entry; entry=entry->next)
                        if (entry->data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
                              read_directory_shell(entry, hwnd);
                              SortDirectory(entry, sortOrder);
                        }
            }
      }
      else
#endif
#if !defined(_NO_EXTENSIONS) && defined(__WINE__)
      if (dir->etype == ET_UNIX)
      {
            read_directory_unix(dir, path);

            if (Globals.prescan_node) {
                  s = path;
                  d = buffer;

                  while(*s)
                        *d++ = *s++;

                  *d++ = '/';

                  for(entry=dir->down; entry; entry=entry->next)
                        if (entry->data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
                              lstrcpyW(d, entry->data.cFileName);
                              read_directory_unix(entry, buffer);
                              SortDirectory(entry, sortOrder);
                        }
            }
      }
      else
#endif
      {
            read_directory_win(dir, path);

            if (Globals.prescan_node) {
                  s = path;
                  d = buffer;

                  while(*s)
                        *d++ = *s++;

                  *d++ = '\\';

                  for(entry=dir->down; entry; entry=entry->next)
                        if (entry->data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
                              lstrcpyW(d, entry->data.cFileName);
                              read_directory_win(entry, buffer);
                              SortDirectory(entry, sortOrder);
                        }
            }
      }

      SortDirectory(dir, sortOrder);
}


static Entry* read_tree(Root* root, LPCWSTR path, LPITEMIDLIST pidl, LPWSTR drv, SORT_ORDER sortOrder, HWND hwnd)
{
#if !defined(_NO_EXTENSIONS) && defined(__WINE__)
      static const WCHAR sSlash[] = {'/', '\0'};
#endif
      static const WCHAR sBackslash[] = {'\\', '\0'};

#ifdef _SHELL_FOLDERS
      if (pidl)
      {
             /* read shell namespace tree */
            root->drive_type = DRIVE_UNKNOWN;
            drv[0] = '\\';
            drv[1] = '\0';
            load_string(root->volname, sizeof(root->volname)/sizeof(root->volname[0]), IDS_DESKTOP);
            root->fs_flags = 0;
            load_string(root->fs, sizeof(root->fs)/sizeof(root->fs[0]), IDS_SHELL);

            return read_tree_shell(root, pidl, sortOrder, hwnd);
      }
      else
#endif
#if !defined(_NO_EXTENSIONS) && defined(__WINE__)
      if (*path == '/')
      {
            /* read unix file system tree */
            root->drive_type = GetDriveTypeW(path);

            lstrcatW(drv, sSlash);
            load_string(root->volname, sizeof(root->volname)/sizeof(root->volname[0]), IDS_ROOT_FS);
            root->fs_flags = 0;
            load_string(root->fs, sizeof(root->fs)/sizeof(root->fs[0]), IDS_UNIXFS);

            lstrcpyW(root->path, sSlash);

            return read_tree_unix(root, path, sortOrder, hwnd);
      }
#endif

       /* read WIN32 file system tree */
       root->drive_type = GetDriveTypeW(path);

      lstrcatW(drv, sBackslash);
      GetVolumeInformationW(drv, root->volname, _MAX_FNAME, 0, 0, &root->fs_flags, root->fs, _MAX_DIR);

      lstrcpyW(root->path, drv);

      return read_tree_win(root, path, sortOrder, hwnd);
}


/* flags to filter different file types */
enum TYPE_FILTER {
      TF_DIRECTORIES    = 0x01,
      TF_PROGRAMS       = 0x02,
      TF_DOCUMENTS      = 0x04,
      TF_OTHERS         = 0x08,
      TF_HIDDEN         = 0x10,
      TF_ALL                  = 0x1F
};


static ChildWnd* alloc_child_window(LPCWSTR path, LPITEMIDLIST pidl, HWND hwnd)
{
      WCHAR drv[_MAX_DRIVE+1], dir[_MAX_DIR], name[_MAX_FNAME], ext[_MAX_EXT];
      WCHAR dir_path[MAX_PATH];
      WCHAR b1[BUFFER_LEN];
      static const WCHAR sAsterics[] = {'*', '\0'};

      ChildWnd* child = HeapAlloc(GetProcessHeap(), 0, sizeof(ChildWnd));
      Root* root = &child->root;
      Entry* entry;

      memset(child, 0, sizeof(ChildWnd));

      child->left.treePane = TRUE;
      child->left.visible_cols = 0;

      child->right.treePane = FALSE;
#ifndef _NO_EXTENSIONS
      child->right.visible_cols = COL_SIZE|COL_DATE|COL_TIME|COL_ATTRIBUTES|COL_INDEX|COL_LINKS;
#else
      child->right.visible_cols = COL_SIZE|COL_DATE|COL_TIME|COL_ATTRIBUTES;
#endif

      child->pos.length = sizeof(WINDOWPLACEMENT);
      child->pos.flags = 0;
      child->pos.showCmd = SW_SHOWNORMAL;
      child->pos.rcNormalPosition.left = CW_USEDEFAULT;
      child->pos.rcNormalPosition.top = CW_USEDEFAULT;
      child->pos.rcNormalPosition.right = CW_USEDEFAULT;
      child->pos.rcNormalPosition.bottom = CW_USEDEFAULT;

      child->focus_pane = 0;
      child->split_pos = DEFAULT_SPLIT_POS;
      child->sortOrder = SORT_NAME;
      child->header_wdths_ok = FALSE;

      if (path)
      {
            lstrcpyW(child->path, path);

            _wsplitpath(path, drv, dir, name, ext);
      }

      lstrcpyW(child->filter_pattern, sAsterics);
      child->filter_flags = TF_ALL;

      root->entry.level = 0;

      lstrcpyW(dir_path, drv);
      lstrcatW(dir_path, dir);
      entry = read_tree(root, dir_path, pidl, drv, child->sortOrder, hwnd);

#ifdef _SHELL_FOLDERS
      if (root->entry.etype == ET_SHELL)
            load_string(root->entry.data.cFileName, sizeof(root->entry.data.cFileName)/sizeof(root->entry.data.cFileName[0]), IDS_DESKTOP);
      else
#endif
            wsprintfW(root->entry.data.cFileName, RS(b1,IDS_TITLEFMT), drv, root->fs);

      root->entry.data.dwFileAttributes = FILE_ATTRIBUTE_DIRECTORY;

      child->left.root = &root->entry;
      child->right.root = NULL;

      set_curdir(child, entry, 0, hwnd);

      return child;
}


/* free all memory associated with a child window */
static void free_child_window(ChildWnd* child)
{
      free_entries(&child->root.entry);
      HeapFree(GetProcessHeap(), 0, child);
}


/* get full path of specified directory entry */
static void get_path(Entry* dir, PWSTR path)
{
      Entry* entry;
      int len = 0;
      int level = 0;

#ifdef _SHELL_FOLDERS
      if (dir->etype == ET_SHELL)
      {
            SFGAOF attribs;
            HRESULT hr = S_OK;

            path[0] = '\0';

            attribs = 0;

            if (dir->folder)
                  hr = IShellFolder_GetAttributesOf(dir->folder, 1, (LPCITEMIDLIST*)&dir->pidl, &attribs);

            if (SUCCEEDED(hr) && (attribs&SFGAO_FILESYSTEM)) {
                  IShellFolder* parent = dir->up? dir->up->folder: Globals.iDesktop;

                  hr = path_from_pidlW(parent, dir->pidl, path, MAX_PATH);
            }
      }
      else
#endif
      {
            for(entry=dir; entry; level++) {
                  LPCWSTR name;
                  int l;

                  {
                        LPCWSTR s;
                        name = entry->data.cFileName;
                        s = name;

                        for(l=0; *s && *s != '/' && *s != '\\'; s++)
                              l++;
                  }

                  if (entry->up) {
                        if (l > 0) {
                              memmove(path+l+1, path, len*sizeof(WCHAR));
                              memcpy(path+1, name, l*sizeof(WCHAR));
                              len += l+1;

#ifndef _NO_EXTENSIONS
                              if (entry->etype == ET_UNIX)
                                    path[0] = '/';
                              else
#endif
                              path[0] = '\\';
                        }

                        entry = entry->up;
                  } else {
                        memmove(path+l, path, len*sizeof(WCHAR));
                        memcpy(path, name, l*sizeof(WCHAR));
                        len += l;
                        break;
                  }
            }

            if (!level) {
#ifndef _NO_EXTENSIONS
                  if (entry->etype == ET_UNIX)
                        path[len++] = '/';
                  else
#endif
                        path[len++] = '\\';
            }

            path[len] = '\0';
      }
}

static windowOptions load_registry_settings(void)
{
      DWORD size;
      DWORD type;
      HKEY hKey;
      windowOptions opts;
      LOGFONTW logfont;

        RegOpenKeyExW( HKEY_CURRENT_USER, registry_key,
                       0, KEY_QUERY_VALUE, &hKey );

      size = sizeof(DWORD);

        if( RegQueryValueExW( hKey, reg_start_x, NULL, &type,
                              (LPBYTE) &opts.start_x, &size ) != ERROR_SUCCESS )
            opts.start_x = CW_USEDEFAULT;

        if( RegQueryValueExW( hKey, reg_start_y, NULL, &type,
                              (LPBYTE) &opts.start_y, &size ) != ERROR_SUCCESS )
            opts.start_y = CW_USEDEFAULT;

        if( RegQueryValueExW( hKey, reg_width, NULL, &type,
                              (LPBYTE) &opts.width, &size ) != ERROR_SUCCESS )
            opts.width = CW_USEDEFAULT;

        if( RegQueryValueExW( hKey, reg_height, NULL, &type,
                              (LPBYTE) &opts.height, &size ) != ERROR_SUCCESS )
            opts.height = CW_USEDEFAULT;
      size=sizeof(logfont);
      if( RegQueryValueExW( hKey, reg_logfont, NULL, &type,
                              (LPBYTE) &logfont, &size ) != ERROR_SUCCESS )
            GetObjectW(GetStockObject(DEFAULT_GUI_FONT),sizeof(logfont),&logfont);

      RegCloseKey( hKey );

      Globals.hfont = CreateFontIndirectW(&logfont);
      return opts;
}

static void save_registry_settings(void)
{
      WINDOWINFO wi;
      HKEY hKey;
      INT width, height;
      LOGFONTW logfont;

      wi.cbSize = sizeof( WINDOWINFO );
      GetWindowInfo(Globals.hMainWnd, &wi);
      width = wi.rcWindow.right - wi.rcWindow.left;
      height = wi.rcWindow.bottom - wi.rcWindow.top;

      if ( RegOpenKeyExW( HKEY_CURRENT_USER, registry_key,
                            0, KEY_SET_VALUE, &hKey ) != ERROR_SUCCESS )
      {
            /* Unable to save registry settings - try to create key */
                if ( RegCreateKeyExW( HKEY_CURRENT_USER, registry_key,
                                      0, NULL, REG_OPTION_NON_VOLATILE,
                                      KEY_SET_VALUE, NULL, &hKey, NULL ) != ERROR_SUCCESS )
            {
                  /* FIXME: Cannot create key */
                  return;
            }
      }
      /* Save all of the settings */
        RegSetValueExW( hKey, reg_start_x, 0, REG_DWORD,
                        (LPBYTE) &wi.rcWindow.left, sizeof(DWORD) );
        RegSetValueExW( hKey, reg_start_y, 0, REG_DWORD,
                        (LPBYTE) &wi.rcWindow.top, sizeof(DWORD) );
        RegSetValueExW( hKey, reg_width, 0, REG_DWORD,
                        (LPBYTE) &width, sizeof(DWORD) );
        RegSetValueExW( hKey, reg_height, 0, REG_DWORD,
                        (LPBYTE) &height, sizeof(DWORD) );
        GetObjectW(Globals.hfont, sizeof(logfont), &logfont);
        RegSetValueExW( hKey, reg_logfont, 0, REG_BINARY,
                        (LPBYTE)&logfont, sizeof(LOGFONTW) );

      /* TODO: Save more settings here (List vs. Detailed View, etc.) */
      RegCloseKey( hKey );
}

static void resize_frame_rect(HWND hwnd, PRECT prect)
{
      int new_top;
      RECT rt;

      if (IsWindowVisible(Globals.htoolbar)) {
            SendMessageW(Globals.htoolbar, WM_SIZE, 0, 0);
            GetClientRect(Globals.htoolbar, &rt);
            prect->top = rt.bottom+3;
            prect->bottom -= rt.bottom+3;
      }

      if (IsWindowVisible(Globals.hdrivebar)) {
            SendMessageW(Globals.hdrivebar, WM_SIZE, 0, 0);
            GetClientRect(Globals.hdrivebar, &rt);
            new_top = --prect->top + rt.bottom+3;
            MoveWindow(Globals.hdrivebar, 0, prect->top, rt.right, new_top, TRUE);
            prect->top = new_top;
            prect->bottom -= rt.bottom+2;
      }

      if (IsWindowVisible(Globals.hstatusbar)) {
            int parts[] = {300, 500};

            SendMessageW(Globals.hstatusbar, WM_SIZE, 0, 0);
            SendMessageW(Globals.hstatusbar, SB_SETPARTS, 2, (LPARAM)&parts);
            GetClientRect(Globals.hstatusbar, &rt);
            prect->bottom -= rt.bottom;
      }

      MoveWindow(Globals.hmdiclient, prect->left-1,prect->top-1,prect->right+2,prect->bottom+1, TRUE);
}

static void resize_frame(HWND hwnd, int cx, int cy)
{
      RECT rect;

      rect.left   = 0;
      rect.top    = 0;
      rect.right  = cx;
      rect.bottom = cy;

      resize_frame_rect(hwnd, &rect);
}

static void resize_frame_client(HWND hwnd)
{
      RECT rect;

      GetClientRect(hwnd, &rect);

      resize_frame_rect(hwnd, &rect);
}


static HHOOK hcbthook;
static ChildWnd* newchild = NULL;

static LRESULT CALLBACK CBTProc(int code, WPARAM wparam, LPARAM lparam)
{
      if (code==HCBT_CREATEWND && newchild) {
            ChildWnd* child = newchild;
            newchild = NULL;

            child->hwnd = (HWND) wparam;
            SetWindowLongPtrW(child->hwnd, GWLP_USERDATA, (LPARAM)child);
      }

      return CallNextHookEx(hcbthook, code, wparam, lparam);
}

static HWND create_child_window(ChildWnd* child)
{
      MDICREATESTRUCTW mcs;
      int idx;

      mcs.szClass = sWINEFILETREE;
      mcs.szTitle = child->path;
      mcs.hOwner  = Globals.hInstance;
      mcs.x       = child->pos.rcNormalPosition.left;
      mcs.y       = child->pos.rcNormalPosition.top;
      mcs.cx      = child->pos.rcNormalPosition.right-child->pos.rcNormalPosition.left;
      mcs.cy      = child->pos.rcNormalPosition.bottom-child->pos.rcNormalPosition.top;
      mcs.style   = 0;
      mcs.lParam  = 0;

      hcbthook = SetWindowsHookExW(WH_CBT, CBTProc, 0, GetCurrentThreadId());

      newchild = child;
      child->hwnd = (HWND)SendMessageW(Globals.hmdiclient, WM_MDICREATE, 0, (LPARAM)&mcs);
      if (!child->hwnd) {
            UnhookWindowsHookEx(hcbthook);
            return 0;
      }

      UnhookWindowsHookEx(hcbthook);

      SendMessageW(child->left.hwnd, LB_SETITEMHEIGHT, 1, max(Globals.spaceSize.cy,IMAGE_HEIGHT+3));
      SendMessageW(child->right.hwnd, LB_SETITEMHEIGHT, 1, max(Globals.spaceSize.cy,IMAGE_HEIGHT+3));

      idx = SendMessageW(child->left.hwnd, LB_FINDSTRING, 0, (LPARAM)child->left.cur);
      SendMessageW(child->left.hwnd, LB_SETCURSEL, idx, 0);

      return child->hwnd;
}


struct ExecuteDialog {
      WCHAR cmd[MAX_PATH];
      int         cmdshow;
};

static INT_PTR CALLBACK ExecuteDialogDlgProc(HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam)
{
      static struct ExecuteDialog* dlg;

      switch(nmsg) {
            case WM_INITDIALOG:
                  dlg = (struct ExecuteDialog*) lparam;
                  return 1;

            case WM_COMMAND: {
                  int id = (int)wparam;

                  if (id == IDOK) {
                        GetWindowTextW(GetDlgItem(hwnd, 201), dlg->cmd, MAX_PATH);
                        dlg->cmdshow = get_check(hwnd,214) ? SW_SHOWMINIMIZED : SW_SHOWNORMAL;
                        EndDialog(hwnd, id);
                  } else if (id == IDCANCEL)
                        EndDialog(hwnd, id);

                  return 1;}
      }

      return 0;
}


static INT_PTR CALLBACK DestinationDlgProc(HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam)
{
      WCHAR b1[BUFFER_LEN], b2[BUFFER_LEN];

      switch(nmsg) {
            case WM_INITDIALOG:
                  SetWindowLongPtrW(hwnd, GWLP_USERDATA, lparam);
                  SetWindowTextW(GetDlgItem(hwnd, 201), (LPCWSTR)lparam);
                  return 1;

            case WM_COMMAND: {
                  int id = (int)wparam;

                  switch(id) {
                    case IDOK: {
                        LPWSTR dest = (LPWSTR)GetWindowLongPtrW(hwnd, GWLP_USERDATA);
                        GetWindowTextW(GetDlgItem(hwnd, 201), dest, MAX_PATH);
                        EndDialog(hwnd, id);
                        break;}

                    case IDCANCEL:
                        EndDialog(hwnd, id);
                        break;

                    case 254:
                        MessageBoxW(hwnd, RS(b1,IDS_NO_IMPL), RS(b2,IDS_WINEFILE), MB_OK);
                        break;
                  }

                  return 1;
            }
      }

      return 0;
}


struct FilterDialog {
      WCHAR pattern[MAX_PATH];
      int         flags;
};

static INT_PTR CALLBACK FilterDialogDlgProc(HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam)
{
      static struct FilterDialog* dlg;

      switch(nmsg) {
            case WM_INITDIALOG:
                  dlg = (struct FilterDialog*) lparam;
                  SetWindowTextW(GetDlgItem(hwnd, IDC_VIEW_PATTERN), dlg->pattern);
                  set_check(hwnd, IDC_VIEW_TYPE_DIRECTORIES, dlg->flags&TF_DIRECTORIES);
                  set_check(hwnd, IDC_VIEW_TYPE_PROGRAMS, dlg->flags&TF_PROGRAMS);
                  set_check(hwnd, IDC_VIEW_TYPE_DOCUMENTS, dlg->flags&TF_DOCUMENTS);
                  set_check(hwnd, IDC_VIEW_TYPE_OTHERS, dlg->flags&TF_OTHERS);
                  set_check(hwnd, IDC_VIEW_TYPE_HIDDEN, dlg->flags&TF_HIDDEN);
                  return 1;

            case WM_COMMAND: {
                  int id = (int)wparam;

                  if (id == IDOK) {
                        int flags = 0;

                        GetWindowTextW(GetDlgItem(hwnd, IDC_VIEW_PATTERN), dlg->pattern, MAX_PATH);

                        flags |= get_check(hwnd, IDC_VIEW_TYPE_DIRECTORIES) ? TF_DIRECTORIES : 0;
                        flags |= get_check(hwnd, IDC_VIEW_TYPE_PROGRAMS) ? TF_PROGRAMS : 0;
                        flags |= get_check(hwnd, IDC_VIEW_TYPE_DOCUMENTS) ? TF_DOCUMENTS : 0;
                        flags |= get_check(hwnd, IDC_VIEW_TYPE_OTHERS) ? TF_OTHERS : 0;
                        flags |= get_check(hwnd, IDC_VIEW_TYPE_HIDDEN) ? TF_HIDDEN : 0;

                        dlg->flags = flags;

                        EndDialog(hwnd, id);
                  } else if (id == IDCANCEL)
                        EndDialog(hwnd, id);

                  return 1;}
      }

      return 0;
}


struct PropertiesDialog {
      WCHAR path[MAX_PATH];
      Entry entry;
      void* pVersionData;
};

/* Structure used to store enumerated languages and code pages. */
struct LANGANDCODEPAGE {
      WORD wLanguage;
      WORD wCodePage;
} *lpTranslate;

static LPCSTR InfoStrings[] = {
      "Comments",
      "CompanyName",
      "FileDescription",
      "FileVersion",
      "InternalName",
      "LegalCopyright",
      "LegalTrademarks",
      "OriginalFilename",
      "PrivateBuild",
      "ProductName",
      "ProductVersion",
      "SpecialBuild",
      NULL
};

static void PropDlg_DisplayValue(HWND hlbox, HWND hedit)
{
      int idx = SendMessageW(hlbox, LB_GETCURSEL, 0, 0);

      if (idx != LB_ERR) {
            LPCWSTR pValue = (LPCWSTR)SendMessageW(hlbox, LB_GETITEMDATA, idx, 0);

            if (pValue)
                  SetWindowTextW(hedit, pValue);
      }
}

static void CheckForFileInfo(struct PropertiesDialog* dlg, HWND hwnd, LPCWSTR strFilename)
{
      static WCHAR sBackSlash[] = {'\\','\0'};
      static WCHAR sTranslation[] = {'\\','V','a','r','F','i','l','e','I','n','f','o','\\','T','r','a','n','s','l','a','t','i','o','n','\0'};
      static WCHAR sStringFileInfo[] = {'\\','S','t','r','i','n','g','F','i','l','e','I','n','f','o','\\',
                                                            '%','0','4','x','%','0','4','x','\\','%','s','\0'};
      DWORD dwVersionDataLen = GetFileVersionInfoSizeW(strFilename, NULL);

      if (dwVersionDataLen) {
            dlg->pVersionData = HeapAlloc(GetProcessHeap(), 0, dwVersionDataLen);

            if (GetFileVersionInfoW(strFilename, 0, dwVersionDataLen, dlg->pVersionData)) {
                  LPVOID pVal;
                  UINT nValLen;

                  if (VerQueryValueW(dlg->pVersionData, sBackSlash, &pVal, &nValLen)) {
                        if (nValLen == sizeof(VS_FIXEDFILEINFO)) {
                              VS_FIXEDFILEINFO* pFixedFileInfo = (VS_FIXEDFILEINFO*)pVal;
                              char buffer[BUFFER_LEN];

                              sprintf(buffer, "%d.%d.%d.%d",
                                    HIWORD(pFixedFileInfo->dwFileVersionMS), LOWORD(pFixedFileInfo->dwFileVersionMS),
                                    HIWORD(pFixedFileInfo->dwFileVersionLS), LOWORD(pFixedFileInfo->dwFileVersionLS));

                              SetDlgItemTextA(hwnd, IDC_STATIC_PROP_VERSION, buffer);
                        }
                  }

                  /* Read the list of languages and code pages. */
                  if (VerQueryValueW(dlg->pVersionData, sTranslation, &pVal, &nValLen)) {
                        struct LANGANDCODEPAGE* pTranslate = (struct LANGANDCODEPAGE*)pVal;
                        struct LANGANDCODEPAGE* pEnd = (struct LANGANDCODEPAGE*)((LPBYTE)pVal+nValLen);

                        HWND hlbox = GetDlgItem(hwnd, IDC_LIST_PROP_VERSION_TYPES);

                        /* Read the file description for each language and code page. */
                        for(; pTranslate<pEnd; ++pTranslate) {
                              LPCSTR* p;

                              for(p=InfoStrings; *p; ++p) {
                                    WCHAR subblock[200];
                                    WCHAR infoStr[100];
                                    LPCWSTR pTxt;
                                    UINT nValLen;

                                    LPCSTR pInfoString = *p;
                                    MultiByteToWideChar(CP_ACP, 0, pInfoString, -1, infoStr, 100);
                                    wsprintfW(subblock, sStringFileInfo, pTranslate->wLanguage, pTranslate->wCodePage, infoStr);

                                    /* Retrieve file description for language and code page */
                                    if (VerQueryValueW(dlg->pVersionData, subblock, (PVOID)&pTxt, &nValLen)) {
                                          int idx = SendMessageW(hlbox, LB_ADDSTRING, 0L, (LPARAM)infoStr);
                                          SendMessageW(hlbox, LB_SETITEMDATA, idx, (LPARAM)pTxt);
                                    }
                              }
                        }

                        SendMessageW(hlbox, LB_SETCURSEL, 0, 0);

                        PropDlg_DisplayValue(hlbox, GetDlgItem(hwnd,IDC_LIST_PROP_VERSION_VALUES));
                  }
            }
      }
}

static INT_PTR CALLBACK PropertiesDialogDlgProc(HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam)
{
      static struct PropertiesDialog* dlg;

      switch(nmsg) {
            case WM_INITDIALOG: {
                  static const WCHAR sByteFmt[] = {'%','s',' ','B','y','t','e','s','\0'};
                  WCHAR b1[BUFFER_LEN], b2[BUFFER_LEN];
                  LPWIN32_FIND_DATAW pWFD;

                  dlg = (struct PropertiesDialog*) lparam;
                  pWFD = (LPWIN32_FIND_DATAW)&dlg->entry.data;

                  GetWindowTextW(hwnd, b1, MAX_PATH);
                  wsprintfW(b2, b1, pWFD->cFileName);
                  SetWindowTextW(hwnd, b2);

                  format_date(&pWFD->ftLastWriteTime, b1, COL_DATE|COL_TIME);
                  SetWindowTextW(GetDlgItem(hwnd, IDC_STATIC_PROP_LASTCHANGE), b1);

                        format_longlong( b1, ((ULONGLONG)pWFD->nFileSizeHigh << 32) | pWFD->nFileSizeLow );
                  wsprintfW(b2, sByteFmt, b1);
                  SetWindowTextW(GetDlgItem(hwnd, IDC_STATIC_PROP_SIZE), b2);

                  SetWindowTextW(GetDlgItem(hwnd, IDC_STATIC_PROP_FILENAME), pWFD->cFileName);
                  SetWindowTextW(GetDlgItem(hwnd, IDC_STATIC_PROP_PATH), dlg->path);

                  set_check(hwnd, IDC_CHECK_READONLY, pWFD->dwFileAttributes&FILE_ATTRIBUTE_READONLY);
                  set_check(hwnd, IDC_CHECK_ARCHIVE, pWFD->dwFileAttributes&FILE_ATTRIBUTE_ARCHIVE);
                  set_check(hwnd, IDC_CHECK_COMPRESSED, pWFD->dwFileAttributes&FILE_ATTRIBUTE_COMPRESSED);
                  set_check(hwnd, IDC_CHECK_HIDDEN, pWFD->dwFileAttributes&FILE_ATTRIBUTE_HIDDEN);
                  set_check(hwnd, IDC_CHECK_SYSTEM, pWFD->dwFileAttributes&FILE_ATTRIBUTE_SYSTEM);

                  CheckForFileInfo(dlg, hwnd, dlg->path);
                  return 1;}

            case WM_COMMAND: {
                  int id = (int)wparam;

                  switch(HIWORD(wparam)) {
                    case LBN_SELCHANGE: {
                        HWND hlbox = GetDlgItem(hwnd, IDC_LIST_PROP_VERSION_TYPES);
                        PropDlg_DisplayValue(hlbox, GetDlgItem(hwnd,IDC_LIST_PROP_VERSION_VALUES));
                        break;
                    }

                    case BN_CLICKED:
                        if (id==IDOK || id==IDCANCEL)
                              EndDialog(hwnd, id);
                  }

                  return 1;}

            case WM_NCDESTROY:
                  HeapFree(GetProcessHeap(), 0, dlg->pVersionData);
                  dlg->pVersionData = NULL;
                  break;
      }

      return 0;
}

static void show_properties_dlg(Entry* entry, HWND hwnd)
{
      struct PropertiesDialog dlg;

      memset(&dlg, 0, sizeof(struct PropertiesDialog));
      get_path(entry, dlg.path);
      memcpy(&dlg.entry, entry, sizeof(Entry));

      DialogBoxParamW(Globals.hInstance, MAKEINTRESOURCEW(IDD_DIALOG_PROPERTIES), hwnd, PropertiesDialogDlgProc, (LPARAM)&dlg);
}


#ifndef _NO_EXTENSIONS

static struct FullScreenParameters {
      BOOL  mode;
      RECT  orgPos;
      BOOL  wasZoomed;
} g_fullscreen = {
    FALSE,  /* mode */
      {0, 0, 0, 0},
      FALSE
};

static void frame_get_clientspace(HWND hwnd, PRECT prect)
{
      RECT rt;

      if (!IsIconic(hwnd))
            GetClientRect(hwnd, prect);
      else {
            WINDOWPLACEMENT wp;

            GetWindowPlacement(hwnd, &wp);

            prect->left = prect->top = 0;
            prect->right = wp.rcNormalPosition.right-wp.rcNormalPosition.left-
                                    2*(GetSystemMetrics(SM_CXSIZEFRAME)+GetSystemMetrics(SM_CXEDGE));
            prect->bottom = wp.rcNormalPosition.bottom-wp.rcNormalPosition.top-
                                    2*(GetSystemMetrics(SM_CYSIZEFRAME)+GetSystemMetrics(SM_CYEDGE))-
                                    GetSystemMetrics(SM_CYCAPTION)-GetSystemMetrics(SM_CYMENUSIZE);
      }

      if (IsWindowVisible(Globals.htoolbar)) {
            GetClientRect(Globals.htoolbar, &rt);
            prect->top += rt.bottom+2;
      }

      if (IsWindowVisible(Globals.hdrivebar)) {
            GetClientRect(Globals.hdrivebar, &rt);
            prect->top += rt.bottom+2;
      }

      if (IsWindowVisible(Globals.hstatusbar)) {
            GetClientRect(Globals.hstatusbar, &rt);
            prect->bottom -= rt.bottom;
      }
}

static BOOL toggle_fullscreen(HWND hwnd)
{
      RECT rt;

      if ((g_fullscreen.mode=!g_fullscreen.mode)) {
            GetWindowRect(hwnd, &g_fullscreen.orgPos);
            g_fullscreen.wasZoomed = IsZoomed(hwnd);

            Frame_CalcFrameClient(hwnd, &rt);
            ClientToScreen(hwnd, (LPPOINT)&rt.left);
            ClientToScreen(hwnd, (LPPOINT)&rt.right);

            rt.left = g_fullscreen.orgPos.left-rt.left;
            rt.top = g_fullscreen.orgPos.top-rt.top;
            rt.right = GetSystemMetrics(SM_CXSCREEN)+g_fullscreen.orgPos.right-rt.right;
            rt.bottom = GetSystemMetrics(SM_CYSCREEN)+g_fullscreen.orgPos.bottom-rt.bottom;

            MoveWindow(hwnd, rt.left, rt.top, rt.right-rt.left, rt.bottom-rt.top, TRUE);
      } else {
            MoveWindow(hwnd, g_fullscreen.orgPos.left, g_fullscreen.orgPos.top,
                                          g_fullscreen.orgPos.right-g_fullscreen.orgPos.left,
                                          g_fullscreen.orgPos.bottom-g_fullscreen.orgPos.top, TRUE);

            if (g_fullscreen.wasZoomed)
                  ShowWindow(hwnd, WS_MAXIMIZE);
      }

      return g_fullscreen.mode;
}

static void fullscreen_move(HWND hwnd)
{
      RECT rt, pos;
      GetWindowRect(hwnd, &pos);

      Frame_CalcFrameClient(hwnd, &rt);
      ClientToScreen(hwnd, (LPPOINT)&rt.left);
      ClientToScreen(hwnd, (LPPOINT)&rt.right);

      rt.left = pos.left-rt.left;
      rt.top = pos.top-rt.top;
      rt.right = GetSystemMetrics(SM_CXSCREEN)+pos.right-rt.right;
      rt.bottom = GetSystemMetrics(SM_CYSCREEN)+pos.bottom-rt.bottom;

      MoveWindow(hwnd, rt.left, rt.top, rt.right-rt.left, rt.bottom-rt.top, TRUE);
}

#endif


static void toggle_child(HWND hwnd, UINT cmd, HWND hchild)
{
      BOOL vis = IsWindowVisible(hchild);

      CheckMenuItem(Globals.hMenuOptions, cmd, vis?MF_BYCOMMAND:MF_BYCOMMAND|MF_CHECKED);

      ShowWindow(hchild, vis?SW_HIDE:SW_SHOW);

#ifndef _NO_EXTENSIONS
      if (g_fullscreen.mode)
            fullscreen_move(hwnd);
#endif

      resize_frame_client(hwnd);
}

static BOOL activate_drive_window(LPCWSTR path)
{
      WCHAR drv1[_MAX_DRIVE], drv2[_MAX_DRIVE];
      HWND child_wnd;

      _wsplitpath(path, drv1, 0, 0, 0);

      /* search for a already open window for the same drive */
      for(child_wnd=GetNextWindow(Globals.hmdiclient,GW_CHILD); child_wnd; child_wnd=GetNextWindow(child_wnd, GW_HWNDNEXT)) {
            ChildWnd* child = (ChildWnd*)GetWindowLongPtrW(child_wnd, GWLP_USERDATA);

            if (child) {
                  _wsplitpath(child->root.path, drv2, 0, 0, 0);

                  if (!lstrcmpiW(drv2, drv1)) {
                        SendMessageW(Globals.hmdiclient, WM_MDIACTIVATE, (WPARAM)child_wnd, 0);

                        if (IsIconic(child_wnd))
                              ShowWindow(child_wnd, SW_SHOWNORMAL);

                        return TRUE;
                  }
            }
      }

      return FALSE;
}

static BOOL activate_fs_window(LPCWSTR filesys)
{
      HWND child_wnd;

      /* search for a already open window of the given file system name */
      for(child_wnd=GetNextWindow(Globals.hmdiclient,GW_CHILD); child_wnd; child_wnd=GetNextWindow(child_wnd, GW_HWNDNEXT)) {
            ChildWnd* child = (ChildWnd*) GetWindowLongPtrW(child_wnd, GWLP_USERDATA);

            if (child) {
                  if (!lstrcmpiW(child->root.fs, filesys)) {
                        SendMessageW(Globals.hmdiclient, WM_MDIACTIVATE, (WPARAM)child_wnd, 0);

                        if (IsIconic(child_wnd))
                              ShowWindow(child_wnd, SW_SHOWNORMAL);

                        return TRUE;
                  }
            }
      }

      return FALSE;
}

static LRESULT CALLBACK FrameWndProc(HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam)
{
      WCHAR b1[BUFFER_LEN], b2[BUFFER_LEN];

      switch(nmsg) {
            case WM_CLOSE:
                  if (Globals.saveSettings)
                        save_registry_settings();  
                  
                  DestroyWindow(hwnd);

                   /* clear handle variables */
                  Globals.hMenuFrame = 0;
                  Globals.hMenuView = 0;
                  Globals.hMenuOptions = 0;
                  Globals.hMainWnd = 0;
                  Globals.hmdiclient = 0;
                  Globals.hdrivebar = 0;
                  break;

            case WM_DESTROY:
                  PostQuitMessage(0);
                  break;

            case WM_INITMENUPOPUP: {
                  HWND hwndClient = (HWND)SendMessageW(Globals.hmdiclient, WM_MDIGETACTIVE, 0, 0);

                  if (!SendMessageW(hwndClient, WM_INITMENUPOPUP, wparam, lparam))
                        return 0;
                  break;}

            case WM_COMMAND: {
                  UINT cmd = LOWORD(wparam);
                  HWND hwndClient = (HWND)SendMessageW(Globals.hmdiclient, WM_MDIGETACTIVE, 0, 0);

                  if (SendMessageW(hwndClient, WM_DISPATCH_COMMAND, wparam, lparam))
                        break;

                  if (cmd>=ID_DRIVE_FIRST && cmd<=ID_DRIVE_FIRST+0xFF) {
                        WCHAR drv[_MAX_DRIVE], path[MAX_PATH];
                        ChildWnd* child;
                        LPCWSTR root = Globals.drives;
                        int i;

                        for(i=cmd-ID_DRIVE_FIRST; i--; root++)
                              while(*root)
                                    root++;

                        if (activate_drive_window(root))
                              return 0;

                        _wsplitpath(root, drv, 0, 0, 0);

                        if (!SetCurrentDirectoryW(drv)) {
                              display_error(hwnd, GetLastError());
                              return 0;
                        }

                        GetCurrentDirectoryW(MAX_PATH, path); /*TODO: store last directory per drive */
                        child = alloc_child_window(path, NULL, hwnd);

                        if (!create_child_window(child))
                              HeapFree(GetProcessHeap(), 0, child);
                  } else switch(cmd) {
                        case ID_FILE_EXIT:
                              SendMessageW(hwnd, WM_CLOSE, 0, 0);
                              break;

                        case ID_WINDOW_NEW: {
                              WCHAR path[MAX_PATH];
                              ChildWnd* child;

                              GetCurrentDirectoryW(MAX_PATH, path);
                              child = alloc_child_window(path, NULL, hwnd);

                              if (!create_child_window(child))
                                    HeapFree(GetProcessHeap(), 0, child);
                              break;}

                        case ID_REFRESH:
                              refresh_drives();
                              break;

                        case ID_WINDOW_CASCADE:
                              SendMessageW(Globals.hmdiclient, WM_MDICASCADE, 0, 0);
                              break;

                        case ID_WINDOW_TILE_HORZ:
                              SendMessageW(Globals.hmdiclient, WM_MDITILE, MDITILE_HORIZONTAL, 0);
                              break;

                        case ID_WINDOW_TILE_VERT:
                              SendMessageW(Globals.hmdiclient, WM_MDITILE, MDITILE_VERTICAL, 0);
                              break;

                        case ID_WINDOW_ARRANGE:
                              SendMessageW(Globals.hmdiclient, WM_MDIICONARRANGE, 0, 0);
                              break;

                        case ID_SELECT_FONT:
                                        choose_font(hwnd);
                                        break;

                        case ID_VIEW_TOOL_BAR:
                              toggle_child(hwnd, cmd, Globals.htoolbar);
                              break;

                        case ID_VIEW_DRIVE_BAR:
                              toggle_child(hwnd, cmd, Globals.hdrivebar);
                              break;

                        case ID_VIEW_STATUSBAR:
                              toggle_child(hwnd, cmd, Globals.hstatusbar);
                              break;

                        case ID_VIEW_SAVESETTINGS:
                              Globals.saveSettings = !Globals.saveSettings;
                              CheckMenuItem(Globals.hMenuOptions, ID_VIEW_SAVESETTINGS,
                                                      Globals.saveSettings ? MF_CHECKED : MF_UNCHECKED );
                              break;

                        case ID_EXECUTE: {
                              struct ExecuteDialog dlg;

                              memset(&dlg, 0, sizeof(struct ExecuteDialog));

                              if (DialogBoxParamW(Globals.hInstance, MAKEINTRESOURCEW(IDD_EXECUTE), hwnd, ExecuteDialogDlgProc, (LPARAM)&dlg) == IDOK) {
                                    HINSTANCE hinst = ShellExecuteW(hwnd, NULL/*operation*/, dlg.cmd/*file*/, NULL/*parameters*/, NULL/*dir*/, dlg.cmdshow);

                                    if (PtrToUlong(hinst) <= 32)
                                          display_error(hwnd, GetLastError());
                              }
                              break;}

                        case ID_CONNECT_NETWORK_DRIVE: {
                              DWORD ret = WNetConnectionDialog(hwnd, RESOURCETYPE_DISK);
                              if (ret == NO_ERROR)
                                    refresh_drives();
                              else if (ret != (DWORD)-1) {
                                    if (ret == ERROR_EXTENDED_ERROR)
                                          display_network_error(hwnd);
                                    else
                                          display_error(hwnd, ret);
                              }
                              break;}

                        case ID_DISCONNECT_NETWORK_DRIVE: {
                              DWORD ret = WNetDisconnectDialog(hwnd, RESOURCETYPE_DISK);
                              if (ret == NO_ERROR)
                                    refresh_drives();
                              else if (ret != (DWORD)-1) {
                                    if (ret == ERROR_EXTENDED_ERROR)
                                          display_network_error(hwnd);
                                    else
                                          display_error(hwnd, ret);
                              }
                              break;}

                        case ID_FORMAT_DISK: {
                              UINT sem_org = SetErrorMode(0); /* Get the current Error Mode settings. */
                              SetErrorMode(sem_org & ~SEM_FAILCRITICALERRORS); /* Force O/S to handle */
                              SHFormatDrive(hwnd, 0 /* A: */, SHFMT_ID_DEFAULT, 0);
                              SetErrorMode(sem_org); /* Put it back the way it was. */
                              break;}

                        case ID_HELP:
                              WinHelpW(hwnd, RS(b1,IDS_WINEFILE), HELP_INDEX, 0);
                              break;

#ifndef _NO_EXTENSIONS
                        case ID_VIEW_FULLSCREEN:
                              CheckMenuItem(Globals.hMenuOptions, cmd, toggle_fullscreen(hwnd)?MF_CHECKED:0);
                              break;

#ifdef __WINE__
                        case ID_DRIVE_UNIX_FS: {
                              WCHAR path[MAX_PATH];
                              char cpath[MAX_PATH];
                              ChildWnd* child;

                              if (activate_fs_window(RS(b1,IDS_UNIXFS)))
                                    break;

                              getcwd(cpath, MAX_PATH);
                              MultiByteToWideChar(CP_UNIXCP, 0, cpath, -1, path, MAX_PATH);
                              child = alloc_child_window(path, NULL, hwnd);

                              if (!create_child_window(child))
                                    HeapFree(GetProcessHeap(), 0, child);
                              break;}
#endif
#ifdef _SHELL_FOLDERS
                        case ID_DRIVE_SHELL_NS: {
                              WCHAR path[MAX_PATH];
                              ChildWnd* child;

                              if (activate_fs_window(RS(b1,IDS_SHELL)))
                                    break;

                              GetCurrentDirectoryW(MAX_PATH, path);
                              child = alloc_child_window(path, get_path_pidl(path,hwnd), hwnd);

                              if (!create_child_window(child))
                                    HeapFree(GetProcessHeap(), 0, child);
                              break;}
#endif
#endif

                        /*TODO: There are even more menu items! */

                        case ID_ABOUT:
                                        ShellAboutW(hwnd, RS(b1,IDS_WINEFILE), NULL,
                                                   LoadImageW( Globals.hInstance, MAKEINTRESOURCEW(IDI_WINEFILE),
                                                              IMAGE_ICON, 48, 48, LR_SHARED ));
                              break;

                        default:
                              /*TODO: if (wParam >= PM_FIRST_LANGUAGE && wParam <= PM_LAST_LANGUAGE)
                                    STRING_SelectLanguageByNumber(wParam - PM_FIRST_LANGUAGE);
                              else */if ((cmd<IDW_FIRST_CHILD || cmd>=IDW_FIRST_CHILD+0x100) &&
                                    (cmd<SC_SIZE || cmd>SC_RESTORE))
                                    MessageBoxW(hwnd, RS(b2,IDS_NO_IMPL), RS(b1,IDS_WINEFILE), MB_OK);

                              return DefFrameProcW(hwnd, Globals.hmdiclient, nmsg, wparam, lparam);
                  }
                  break;}

            case WM_SIZE:
                  resize_frame(hwnd, LOWORD(lparam), HIWORD(lparam));
                  break;      /* do not pass message to DefFrameProcW */

            case WM_DEVICECHANGE:
                  SendMessageW(hwnd, WM_COMMAND, MAKELONG(ID_REFRESH,0), 0);
                  break;

#ifndef _NO_EXTENSIONS
            case WM_GETMINMAXINFO: {
                  LPMINMAXINFO lpmmi = (LPMINMAXINFO)lparam;

                  lpmmi->ptMaxTrackSize.x <<= 1;/*2*GetSystemMetrics(SM_CXSCREEN) / SM_CXVIRTUALSCREEN */
                  lpmmi->ptMaxTrackSize.y <<= 1;/*2*GetSystemMetrics(SM_CYSCREEN) / SM_CYVIRTUALSCREEN */
                  break;}

            case FRM_CALC_CLIENT:
                  frame_get_clientspace(hwnd, (PRECT)lparam);
                  return TRUE;
#endif /* _NO_EXTENSIONS */

            default:
                  return DefFrameProcW(hwnd, Globals.hmdiclient, nmsg, wparam, lparam);
      }

      return 0;
}


static WCHAR g_pos_names[COLUMNS][20] = {
      {'\0'}      /* symbol */
};

static const int g_pos_align[] = {
      0,
      HDF_LEFT,   /* Name */
      HDF_RIGHT,  /* Size */
      HDF_LEFT,   /* CDate */
#ifndef _NO_EXTENSIONS
      HDF_LEFT,   /* ADate */
      HDF_LEFT,   /* MDate */
      HDF_LEFT,   /* Index */
      HDF_CENTER, /* Links */
#endif
      HDF_CENTER, /* Attributes */
#ifndef _NO_EXTENSIONS
      HDF_LEFT    /* Security */
#endif
};

static void resize_tree(ChildWnd* child, int cx, int cy)
{
      HDWP hdwp = BeginDeferWindowPos(4);
      RECT rt;

      rt.left   = 0;
      rt.top    = 0;
      rt.right  = cx;
      rt.bottom = cy;

      cx = child->split_pos + SPLIT_WIDTH/2;

#ifndef _NO_EXTENSIONS
      {
            WINDOWPOS wp;
            HD_LAYOUT hdl;

            hdl.prc   = &rt;
            hdl.pwpos = &wp;

            SendMessageW(child->left.hwndHeader, HDM_LAYOUT, 0, (LPARAM)&hdl);

            DeferWindowPos(hdwp, child->left.hwndHeader, wp.hwndInsertAfter,
                                    wp.x-1, wp.y, child->split_pos-SPLIT_WIDTH/2+1, wp.cy, wp.flags);
            DeferWindowPos(hdwp, child->right.hwndHeader, wp.hwndInsertAfter,
                                    rt.left+cx+1, wp.y, wp.cx-cx+2, wp.cy, wp.flags);
      }
#endif /* _NO_EXTENSIONS */

      DeferWindowPos(hdwp, child->left.hwnd, 0, rt.left, rt.top, child->split_pos-SPLIT_WIDTH/2-rt.left, rt.bottom-rt.top, SWP_NOZORDER|SWP_NOACTIVATE);
      DeferWindowPos(hdwp, child->right.hwnd, 0, rt.left+cx+1, rt.top, rt.right-cx, rt.bottom-rt.top, SWP_NOZORDER|SWP_NOACTIVATE);

      EndDeferWindowPos(hdwp);
}


#ifndef _NO_EXTENSIONS

static HWND create_header(HWND parent, Pane* pane, UINT id)
{
      HDITEMW hdi;
      int idx;

      HWND hwnd = CreateWindowW(WC_HEADERW, 0, WS_CHILD|WS_VISIBLE|HDS_HORZ|HDS_FULLDRAG/*TODO: |HDS_BUTTONS + sort orders*/,
                                 0, 0, 0, 0, parent, (HMENU)ULongToHandle(id), Globals.hInstance, 0);
      if (!hwnd)
            return 0;

      SendMessageW(hwnd, WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), FALSE);

      hdi.mask = HDI_TEXT|HDI_WIDTH|HDI_FORMAT;

      for(idx=0; idx<COLUMNS; idx++) {
            hdi.pszText = g_pos_names[idx];
            hdi.fmt = HDF_STRING | g_pos_align[idx];
            hdi.cxy = pane->widths[idx];
            SendMessageW(hwnd, HDM_INSERTITEMW, idx, (LPARAM)&hdi);
      }

      return hwnd;
}

#endif /* _NO_EXTENSIONS */


static void init_output(HWND hwnd)
{
      static const WCHAR s1000[] = {'1','0','0','0','\0'};
      WCHAR b[16];
      HFONT old_font;
      HDC hdc = GetDC(hwnd);

      if (GetNumberFormatW(LOCALE_USER_DEFAULT, 0, s1000, 0, b, 16) > 4)
            Globals.num_sep = b[1];
      else
            Globals.num_sep = '.';

      old_font = SelectObject(hdc, Globals.hfont);
      GetTextExtentPoint32W(hdc, sSpace, 1, &Globals.spaceSize);
      SelectObject(hdc, old_font);
      ReleaseDC(hwnd, hdc);
}

static void draw_item(Pane* pane, LPDRAWITEMSTRUCT dis, Entry* entry, int calcWidthCol);


/* calculate preferred width for all visible columns */

static BOOL calc_widths(Pane* pane, BOOL anyway)
{
      int col, x, cx, spc=3*Globals.spaceSize.cx;
      int entries = SendMessageW(pane->hwnd, LB_GETCOUNT, 0, 0);
      int orgWidths[COLUMNS];
      int orgPositions[COLUMNS+1];
      HFONT hfontOld;
      HDC hdc;
      int cnt;

      if (!anyway) {
            memcpy(orgWidths, pane->widths, sizeof(orgWidths));
            memcpy(orgPositions, pane->positions, sizeof(orgPositions));
      }

      for(col=0; col<COLUMNS; col++)
            pane->widths[col] = 0;

      hdc = GetDC(pane->hwnd);
      hfontOld = SelectObject(hdc, Globals.hfont);

      for(cnt=0; cnt<entries; cnt++) {
            Entry* entry = (Entry*)SendMessageW(pane->hwnd, LB_GETITEMDATA, cnt, 0);

            DRAWITEMSTRUCT dis;

            dis.CtlType         = 0;
            dis.CtlID           = 0;
            dis.itemID          = 0;
            dis.itemAction      = 0;
            dis.itemState       = 0;
            dis.hwndItem        = pane->hwnd;
            dis.hDC                   = hdc;
            dis.rcItem.left     = 0;
            dis.rcItem.top    = 0;
            dis.rcItem.right  = 0;
            dis.rcItem.bottom = 0;
            /*dis.itemData      = 0; */

            draw_item(pane, &dis, entry, COLUMNS);
      }

      SelectObject(hdc, hfontOld);
      ReleaseDC(pane->hwnd, hdc);

      x = 0;
      for(col=0; col<COLUMNS; col++) {
            pane->positions[col] = x;
            cx = pane->widths[col];

            if (cx) {
                  cx += spc;

                  if (cx < IMAGE_WIDTH)
                        cx = IMAGE_WIDTH;

                  pane->widths[col] = cx;
            }

            x += cx;
      }

      pane->positions[COLUMNS] = x;

      SendMessageW(pane->hwnd, LB_SETHORIZONTALEXTENT, x, 0);

      /* no change? */
      if (!anyway && !memcmp(orgWidths, pane->widths, sizeof(orgWidths)))
            return FALSE;

      /* don't move, if only collapsing an entry */
      if (!anyway && pane->widths[0]<orgWidths[0] &&
            !memcmp(orgWidths+1, pane->widths+1, sizeof(orgWidths)-sizeof(int))) {
            pane->widths[0] = orgWidths[0];
            memcpy(pane->positions, orgPositions, sizeof(orgPositions));

            return FALSE;
      }

      InvalidateRect(pane->hwnd, 0, TRUE);

      return TRUE;
}


/* calculate one preferred column width */

static void calc_single_width(Pane* pane, int col)
{
      HFONT hfontOld;
      int x, cx;
      int entries = SendMessageW(pane->hwnd, LB_GETCOUNT, 0, 0);
      int cnt;
      HDC hdc;

      pane->widths[col] = 0;

      hdc = GetDC(pane->hwnd);
      hfontOld = SelectObject(hdc, Globals.hfont);

      for(cnt=0; cnt<entries; cnt++) {
            Entry* entry = (Entry*)SendMessageW(pane->hwnd, LB_GETITEMDATA, cnt, 0);
            DRAWITEMSTRUCT dis;

            dis.CtlType         = 0;
            dis.CtlID           = 0;
            dis.itemID          = 0;
            dis.itemAction      = 0;
            dis.itemState       = 0;
            dis.hwndItem        = pane->hwnd;
            dis.hDC                   = hdc;
            dis.rcItem.left     = 0;
            dis.rcItem.top    = 0;
            dis.rcItem.right  = 0;
            dis.rcItem.bottom = 0;
            /*dis.itemData      = 0; */

            draw_item(pane, &dis, entry, col);
      }

      SelectObject(hdc, hfontOld);
      ReleaseDC(pane->hwnd, hdc);

      cx = pane->widths[col];

      if (cx) {
            cx += 3*Globals.spaceSize.cx;

            if (cx < IMAGE_WIDTH)
                  cx = IMAGE_WIDTH;
      }

      pane->widths[col] = cx;

      x = pane->positions[col] + cx;

      for(; col<COLUMNS-1; ) {
            pane->positions[++col] = x;
            x += pane->widths[col];
      }

      SendMessageW(pane->hwnd, LB_SETHORIZONTALEXTENT, x, 0);
}


static BOOL pattern_match(LPCWSTR str, LPCWSTR pattern)
{
      for( ; *str&&*pattern; str++,pattern++) {
            if (*pattern == '*') {
                  do pattern++;
                  while(*pattern == '*');

                  if (!*pattern)
                        return TRUE;

                  for(; *str; str++)
                        if (*str==*pattern && pattern_match(str, pattern))
                              return TRUE;

                  return FALSE;
            }
            else if (*str!=*pattern && *pattern!='?')
                  return FALSE;
      }

      if (*str || *pattern)
            if (*pattern!='*' || pattern[1]!='\0')
                  return FALSE;

      return TRUE;
}

static BOOL pattern_imatch(LPCWSTR str, LPCWSTR pattern)
{
      WCHAR b1[BUFFER_LEN], b2[BUFFER_LEN];

      lstrcpyW(b1, str);
      lstrcpyW(b2, pattern);
      CharUpperW(b1);
      CharUpperW(b2);

      return pattern_match(b1, b2);
}


enum FILE_TYPE {
      FT_OTHER          = 0,
      FT_EXECUTABLE     = 1,
      FT_DOCUMENT       = 2
};

static enum FILE_TYPE get_file_type(LPCWSTR filename);


/* insert listbox entries after index idx */

static int insert_entries(Pane* pane, Entry* dir, LPCWSTR pattern, int filter_flags, int idx)
{
      Entry* entry = dir;

      if (!entry)
            return idx;

      ShowWindow(pane->hwnd, SW_HIDE);

      for(; entry; entry=entry->next) {
#ifndef _LEFT_FILES
            if (pane->treePane && !(entry->data.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY))
                  continue;
#endif

            if (entry->data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
                  /* don't display entries "." and ".." in the left pane */
                  if (pane->treePane && entry->data.cFileName[0] == '.')
                        if (
#ifndef _NO_EXTENSIONS
                              entry->data.cFileName[1] == '\0' ||
#endif
                              (entry->data.cFileName[1] == '.' && entry->data.cFileName[2] == '\0'))
                              continue;

                  /* filter directories in right pane */
                  if (!pane->treePane && !(filter_flags&TF_DIRECTORIES))
                        continue;
            }

            /* filter using the file name pattern */
            if (pattern)
                  if (!pattern_imatch(entry->data.cFileName, pattern))
                        continue;

            /* filter system and hidden files */
            if (!(filter_flags&TF_HIDDEN) && (entry->data.dwFileAttributes&(FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM)))
                  continue;

            /* filter looking at the file type */
            if ((filter_flags&(TF_PROGRAMS|TF_DOCUMENTS|TF_OTHERS)) != (TF_PROGRAMS|TF_DOCUMENTS|TF_OTHERS))
                  switch(get_file_type(entry->data.cFileName)) {
                    case FT_EXECUTABLE:
                        if (!(filter_flags & TF_PROGRAMS))
                              continue;
                        break;

                    case FT_DOCUMENT:
                        if (!(filter_flags & TF_DOCUMENTS))
                              continue;
                        break;

                    default: /* TF_OTHERS */
                        if (!(filter_flags & TF_OTHERS))
                              continue;
                  }

            if (idx != -1)
                  idx++;

            SendMessageW(pane->hwnd, LB_INSERTSTRING, idx, (LPARAM)entry);

            if (pane->treePane && entry->expanded)
                  idx = insert_entries(pane, entry->down, pattern, filter_flags, idx);
      }

      ShowWindow(pane->hwnd, SW_SHOW);

      return idx;
}


static void format_bytes(LPWSTR buffer, LONGLONG bytes)
{
      static const WCHAR sFmtGB[] = {'%', '.', '1', 'f', ' ', 'G', 'B', '\0'};
      static const WCHAR sFmtMB[] = {'%', '.', '1', 'f', ' ', 'M', 'B', '\0'};
      static const WCHAR sFmtkB[] = {'%', '.', '1', 'f', ' ', 'k', 'B', '\0'};
      static const WCHAR sFmtB[]  = {'%', 'u', 0};

      float fBytes = (float)bytes;

      if (bytes >= 1073741824)      /* 1 GB */
            sprintfW(buffer, sFmtGB, fBytes/1073741824.f+.5f);
      else if (bytes >= 1048576)    /* 1 MB */
            sprintfW(buffer, sFmtMB, fBytes/1048576.f+.5f);
      else if (bytes >= 1024)       /* 1 kB */
            sprintfW(buffer, sFmtkB, fBytes/1024.f+.5f);
      else
            sprintfW(buffer, sFmtB, (DWORD)bytes);
}

static void set_space_status(void)
{
      ULARGE_INTEGER ulFreeBytesToCaller, ulTotalBytes, ulFreeBytes;
      WCHAR fmt[64], b1[64], b2[64], buffer[BUFFER_LEN];

      if (GetDiskFreeSpaceExW(NULL, &ulFreeBytesToCaller, &ulTotalBytes, &ulFreeBytes)) {
            format_bytes(b1, ulFreeBytesToCaller.QuadPart);
            format_bytes(b2, ulTotalBytes.QuadPart);
            wsprintfW(buffer, RS(fmt,IDS_FREE_SPACE_FMT), b1, b2);
      } else
            lstrcpyW(buffer, sQMarks);

      SendMessageW(Globals.hstatusbar, SB_SETTEXTW, 0, (LPARAM)buffer);
}


static WNDPROC g_orgTreeWndProc;

static void create_tree_window(HWND parent, Pane* pane, UINT id, UINT id_header, LPCWSTR pattern, int filter_flags)
{
      static const WCHAR sListBox[] = {'L','i','s','t','B','o','x','\0'};

      static int s_init = 0;
      Entry* entry = pane->root;

      pane->hwnd = CreateWindowW(sListBox, sEmpty, WS_CHILD|WS_VISIBLE|WS_HSCROLL|WS_VSCROLL|
                                  LBS_DISABLENOSCROLL|LBS_NOINTEGRALHEIGHT|LBS_OWNERDRAWFIXED|LBS_NOTIFY,
                                  0, 0, 0, 0, parent, (HMENU)ULongToHandle(id), Globals.hInstance, 0);

      SetWindowLongPtrW(pane->hwnd, GWLP_USERDATA, (LPARAM)pane);
      g_orgTreeWndProc = (WNDPROC)SetWindowLongPtrW(pane->hwnd, GWLP_WNDPROC, (LPARAM)TreeWndProc);

      SendMessageW(pane->hwnd, WM_SETFONT, (WPARAM)Globals.hfont, FALSE);

      /* insert entries into listbox */
      if (entry)
            insert_entries(pane, entry, pattern, filter_flags, -1);

      /* calculate column widths */
      if (!s_init) {
            s_init = 1;
            init_output(pane->hwnd);
      }

      calc_widths(pane, TRUE);

#ifndef _NO_EXTENSIONS
      pane->hwndHeader = create_header(parent, pane, id_header);
#endif
}


static void InitChildWindow(ChildWnd* child)
{
      create_tree_window(child->hwnd, &child->left, IDW_TREE_LEFT, IDW_HEADER_LEFT, NULL, TF_ALL);
      create_tree_window(child->hwnd, &child->right, IDW_TREE_RIGHT, IDW_HEADER_RIGHT, child->filter_pattern, child->filter_flags);
}


static void format_date(const FILETIME* ft, WCHAR* buffer, int visible_cols)
{
      SYSTEMTIME systime;
      FILETIME lft;
      int len = 0;

      *buffer = '\0';

      if (!ft->dwLowDateTime && !ft->dwHighDateTime)
            return;

      if (!FileTimeToLocalFileTime(ft, &lft))
            {err: lstrcpyW(buffer,sQMarks); return;}

      if (!FileTimeToSystemTime(&lft, &systime))
            goto err;

      if (visible_cols & COL_DATE) {
            len = GetDateFormatW(LOCALE_USER_DEFAULT, 0, &systime, 0, buffer, BUFFER_LEN);
            if (!len)
                  goto err;
      }

      if (visible_cols & COL_TIME) {
            if (len)
                  buffer[len-1] = ' ';

            buffer[len++] = ' ';

            if (!GetTimeFormatW(LOCALE_USER_DEFAULT, 0, &systime, 0, buffer+len, BUFFER_LEN-len))
                  buffer[len] = '\0';
      }
}


static void calc_width(Pane* pane, LPDRAWITEMSTRUCT dis, int col, LPCWSTR str)
{
      RECT rt = {0, 0, 0, 0};

      DrawTextW(dis->hDC, str, -1, &rt, DT_CALCRECT|DT_SINGLELINE|DT_NOPREFIX);

      if (rt.right > pane->widths[col])
            pane->widths[col] = rt.right;
}

static void calc_tabbed_width(Pane* pane, LPDRAWITEMSTRUCT dis, int col, LPCWSTR str)
{
      RECT rt = {0, 0, 0, 0};

/*    DRAWTEXTPARAMS dtp = {sizeof(DRAWTEXTPARAMS), 2};
      DrawTextExW(dis->hDC, (LPWSTR)str, -1, &rt, DT_CALCRECT|DT_SINGLELINE|DT_NOPREFIX|DT_EXPANDTABS|DT_TABSTOP, &dtp);*/

      DrawTextW(dis->hDC, str, -1, &rt, DT_CALCRECT|DT_SINGLELINE|DT_EXPANDTABS|DT_TABSTOP|(2<<8));
      /*FIXME rt (0,0) ??? */

      if (rt.right > pane->widths[col])
            pane->widths[col] = rt.right;
}


static void output_text(Pane* pane, LPDRAWITEMSTRUCT dis, int col, LPCWSTR str, DWORD flags)
{
      int x = dis->rcItem.left;
      RECT rt;

      rt.left   = x+pane->positions[col]+Globals.spaceSize.cx;
      rt.top    = dis->rcItem.top;
      rt.right  = x+pane->positions[col+1]-Globals.spaceSize.cx;
      rt.bottom = dis->rcItem.bottom;

      DrawTextW(dis->hDC, str, -1, &rt, DT_SINGLELINE|DT_NOPREFIX|flags);
}

static void output_tabbed_text(Pane* pane, LPDRAWITEMSTRUCT dis, int col, LPCWSTR str)
{
      int x = dis->rcItem.left;
      RECT rt;

      rt.left   = x+pane->positions[col]+Globals.spaceSize.cx;
      rt.top    = dis->rcItem.top;
      rt.right  = x+pane->positions[col+1]-Globals.spaceSize.cx;
      rt.bottom = dis->rcItem.bottom;

/*    DRAWTEXTPARAMS dtp = {sizeof(DRAWTEXTPARAMS), 2};
      DrawTextExW(dis->hDC, (LPWSTR)str, -1, &rt, DT_SINGLELINE|DT_NOPREFIX|DT_EXPANDTABS|DT_TABSTOP, &dtp);*/

      DrawTextW(dis->hDC, str, -1, &rt, DT_SINGLELINE|DT_EXPANDTABS|DT_TABSTOP|(2<<8));
}

static void output_number(Pane* pane, LPDRAWITEMSTRUCT dis, int col, LPCWSTR str)
{
      int x = dis->rcItem.left;
      RECT rt;
      LPCWSTR s = str;
      WCHAR b[128];
      LPWSTR d = b;
      int pos;

      rt.left   = x+pane->positions[col]+Globals.spaceSize.cx;
      rt.top    = dis->rcItem.top;
      rt.right  = x+pane->positions[col+1]-Globals.spaceSize.cx;
      rt.bottom = dis->rcItem.bottom;

      if (*s)
            *d++ = *s++;

      /* insert number separator characters */
      pos = lstrlenW(s) % 3;

      while(*s)
            if (pos--)
                  *d++ = *s++;
            else {
                  *d++ = Globals.num_sep;
                  pos = 3;
            }

      DrawTextW(dis->hDC, b, d-b, &rt, DT_RIGHT|DT_SINGLELINE|DT_NOPREFIX|DT_END_ELLIPSIS);
}


static BOOL is_exe_file(LPCWSTR ext)
{
      static const WCHAR executable_extensions[][4] = {
            {'C','O','M','\0'},
            {'E','X','E','\0'},
            {'B','A','T','\0'},
            {'C','M','D','\0'},
#ifndef _NO_EXTENSIONS
            {'C','M','M','\0'},
            {'B','T','M','\0'},
            {'A','W','K','\0'},
#endif /* _NO_EXTENSIONS */
            {'\0'}
      };

      WCHAR ext_buffer[_MAX_EXT];
      const WCHAR (*p)[4];
      LPCWSTR s;
      LPWSTR d;

      for(s=ext+1,d=ext_buffer; (*d=tolower(*s)); s++)
            d++;

      for(p=executable_extensions; (*p)[0]; p++)
            if (!lstrcmpiW(ext_buffer, *p))
                  return TRUE;

      return FALSE;
}

static BOOL is_registered_type(LPCWSTR ext)
{
      /* check if there exists a classname for this file extension in the registry */
      if (!RegQueryValueW(HKEY_CLASSES_ROOT, ext, NULL, NULL))
            return TRUE;

      return FALSE;
}

static enum FILE_TYPE get_file_type(LPCWSTR filename)
{
      LPCWSTR ext = strrchrW(filename, '.');
      if (!ext)
            ext = sEmpty;

      if (is_exe_file(ext))
            return FT_EXECUTABLE;
      else if (is_registered_type(ext))
            return FT_DOCUMENT;
      else
            return FT_OTHER;
}


static void draw_item(Pane* pane, LPDRAWITEMSTRUCT dis, Entry* entry, int calcWidthCol)
{
      WCHAR buffer[BUFFER_LEN];
      DWORD attrs;
      int visible_cols = pane->visible_cols;
      COLORREF bkcolor, textcolor;
      RECT focusRect = dis->rcItem;
      HBRUSH hbrush;
      enum IMAGE img;
      int img_pos, cx;
      int col = 0;

      if (entry) {
            attrs = entry->data.dwFileAttributes;

            if (attrs & FILE_ATTRIBUTE_DIRECTORY) {
                  if (entry->data.cFileName[0] == '.' && entry->data.cFileName[1] == '.'
                              && entry->data.cFileName[2] == '\0')
                        img = IMG_FOLDER_UP;
#ifndef _NO_EXTENSIONS
                  else if (entry->data.cFileName[0] == '.' && entry->data.cFileName[1] == '\0')
                        img = IMG_FOLDER_CUR;
#endif
                  else if (
#ifdef _NO_EXTENSIONS
                               entry->expanded ||
#endif
                               (pane->treePane && (dis->itemState&ODS_FOCUS)))
                        img = IMG_OPEN_FOLDER;
                  else
                        img = IMG_FOLDER;
            } else {
                  switch(get_file_type(entry->data.cFileName)) {
                    case FT_EXECUTABLE:   img = IMG_EXECUTABLE;   break;
                    case FT_DOCUMENT:           img = IMG_DOCUMENT;           break;
                    default:                    img = IMG_FILE;
                  }
            }
      } else {
            attrs = 0;
            img = IMG_NONE;
      }

      if (pane->treePane) {
            if (entry) {
                  img_pos = dis->rcItem.left + entry->level*(IMAGE_WIDTH+TREE_LINE_DX);

                  if (calcWidthCol == -1) {
                        int x;
                        int y = dis->rcItem.top + IMAGE_HEIGHT/2;
                        Entry* up;
                        RECT rt_clip;
                        HRGN hrgn_org = CreateRectRgn(0, 0, 0, 0);
                        HRGN hrgn;

                        rt_clip.left   = dis->rcItem.left;
                        rt_clip.top    = dis->rcItem.top;
                        rt_clip.right  = dis->rcItem.left+pane->widths[col];
                        rt_clip.bottom = dis->rcItem.bottom;

                        hrgn = CreateRectRgnIndirect(&rt_clip);

                        if (!GetClipRgn(dis->hDC, hrgn_org)) {
                              DeleteObject(hrgn_org);
                              hrgn_org = 0;
                        }

                        /* HGDIOBJ holdPen = SelectObject(dis->hDC, GetStockObject(BLACK_PEN)); */
                        ExtSelectClipRgn(dis->hDC, hrgn, RGN_AND);
                        DeleteObject(hrgn);

                        if ((up=entry->up) != NULL) {
                              MoveToEx(dis->hDC, img_pos-IMAGE_WIDTH/2, y, 0);
                              LineTo(dis->hDC, img_pos-2, y);

                              x = img_pos - IMAGE_WIDTH/2;

                              do {
                                    x -= IMAGE_WIDTH+TREE_LINE_DX;

                                    if (up->next
#ifndef _LEFT_FILES
                                          && (up->next->data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
#endif
                                          ) {
                                          MoveToEx(dis->hDC, x, dis->rcItem.top, 0);
                                          LineTo(dis->hDC, x, dis->rcItem.bottom);
                                    }
                              } while((up=up->up) != NULL);
                        }

                        x = img_pos - IMAGE_WIDTH/2;

                        MoveToEx(dis->hDC, x, dis->rcItem.top, 0);
                        LineTo(dis->hDC, x, y);

                        if (entry->next
#ifndef _LEFT_FILES
                              && (entry->next->data.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)
#endif
                              )
                              LineTo(dis->hDC, x, dis->rcItem.bottom);

                        SelectClipRgn(dis->hDC, hrgn_org);
                        if (hrgn_org) DeleteObject(hrgn_org);
                        /* SelectObject(dis->hDC, holdPen); */
                  } else if (calcWidthCol==col || calcWidthCol==COLUMNS) {
                        int right = img_pos + IMAGE_WIDTH - TREE_LINE_DX;

                        if (right > pane->widths[col])
                              pane->widths[col] = right;
                  }
            } else  {
                  img_pos = dis->rcItem.left;
            }
      } else {
            img_pos = dis->rcItem.left;

            if (calcWidthCol==col || calcWidthCol==COLUMNS)
                  pane->widths[col] = IMAGE_WIDTH;
      }

      if (calcWidthCol == -1) {
            focusRect.left = img_pos -2;

#ifdef _NO_EXTENSIONS
            if (pane->treePane && entry) {
                  RECT rt = {0};

                  DrawTextW(dis->hDC, entry->data.cFileName, -1, &rt, DT_CALCRECT|DT_SINGLELINE|DT_NOPREFIX);

                  focusRect.right = dis->rcItem.left+pane->positions[col+1]+TREE_LINE_DX + rt.right +2;
            }
#else

            if (attrs & FILE_ATTRIBUTE_COMPRESSED)
                  textcolor = COLOR_COMPRESSED;
            else
#endif /* _NO_EXTENSIONS */
                  textcolor = RGB(0,0,0);

            if (dis->itemState & ODS_FOCUS) {
                  textcolor = RGB(255,255,255);
                  bkcolor = COLOR_SELECTION;
            } else {
                  bkcolor = RGB(255,255,255);
            }

            hbrush = CreateSolidBrush(bkcolor);
            FillRect(dis->hDC, &focusRect, hbrush);
            DeleteObject(hbrush);

            SetBkMode(dis->hDC, TRANSPARENT);
            SetTextColor(dis->hDC, textcolor);

            cx = pane->widths[col];

            if (cx && img!=IMG_NONE) {
                  if (cx > IMAGE_WIDTH)
                        cx = IMAGE_WIDTH;

#ifdef _SHELL_FOLDERS
                  if (entry->hicon && entry->hicon!=(HICON)-1)
                        DrawIconEx(dis->hDC, img_pos, dis->rcItem.top, entry->hicon, cx, GetSystemMetrics(SM_CYSMICON), 0, 0, DI_NORMAL);
                  else
#endif
                        ImageList_DrawEx(Globals.himl, img, dis->hDC,
                                                 img_pos, dis->rcItem.top, cx,
                                                 IMAGE_HEIGHT, bkcolor, CLR_DEFAULT, ILD_NORMAL);
            }
      }

      if (!entry)
            return;

#ifdef _NO_EXTENSIONS
      if (img >= IMG_FOLDER_UP)
            return;
#endif

      col++;

      /* ouput file name */
      if (calcWidthCol == -1)
            output_text(pane, dis, col, entry->data.cFileName, 0);
      else if (calcWidthCol==col || calcWidthCol==COLUMNS)
            calc_width(pane, dis, col, entry->data.cFileName);

      col++;

#ifdef _NO_EXTENSIONS
  if (!pane->treePane) {
#endif

        /* display file size */
      if (visible_cols & COL_SIZE) {
#ifdef _NO_EXTENSIONS
            if (!(attrs&FILE_ATTRIBUTE_DIRECTORY))
#endif
            {
                  format_longlong( buffer, ((ULONGLONG)entry->data.nFileSizeHigh << 32) | entry->data.nFileSizeLow );

                  if (calcWidthCol == -1)
                        output_number(pane, dis, col, buffer);
                  else if (calcWidthCol==col || calcWidthCol==COLUMNS)
                        calc_width(pane, dis, col, buffer);/*TODO: not ever time enough */
            }

            col++;
      }

      /* display file date */
      if (visible_cols & (COL_DATE|COL_TIME)) {
#ifndef _NO_EXTENSIONS
            format_date(&entry->data.ftCreationTime, buffer, visible_cols);
            if (calcWidthCol == -1)
                  output_text(pane, dis, col, buffer, 0);
            else if (calcWidthCol==col || calcWidthCol==COLUMNS)
                  calc_width(pane, dis, col, buffer);
            col++;

            format_date(&entry->data.ftLastAccessTime, buffer, visible_cols);
            if (calcWidthCol == -1)
                  output_text(pane, dis, col, buffer, 0);
            else if (calcWidthCol==col || calcWidthCol==COLUMNS)
                  calc_width(pane, dis, col, buffer);
            col++;
#endif /* _NO_EXTENSIONS */

            format_date(&entry->data.ftLastWriteTime, buffer, visible_cols);
            if (calcWidthCol == -1)
                  output_text(pane, dis, col, buffer, 0);
            else if (calcWidthCol==col || calcWidthCol==COLUMNS)
                  calc_width(pane, dis, col, buffer);
            col++;
      }

#ifndef _NO_EXTENSIONS
      if (entry->bhfi_valid) {
            if (visible_cols & COL_INDEX) {
                        static const WCHAR fmtlow[] = {'%','X',0};
                        static const WCHAR fmthigh[] = {'%','X','%','0','8','X',0};

                        if (entry->bhfi.nFileIndexHigh)
                            wsprintfW(buffer, fmthigh,
                                     entry->bhfi.nFileIndexHigh, entry->bhfi.nFileIndexLow );
                        else
                            wsprintfW(buffer, fmtlow, entry->bhfi.nFileIndexLow );

                  if (calcWidthCol == -1)
                        output_text(pane, dis, col, buffer, DT_RIGHT);
                  else if (calcWidthCol==col || calcWidthCol==COLUMNS)
                        calc_width(pane, dis, col, buffer);

                  col++;
            }

            if (visible_cols & COL_LINKS) {
                  wsprintfW(buffer, sNumFmt, entry->bhfi.nNumberOfLinks);

                  if (calcWidthCol == -1)
                        output_text(pane, dis, col, buffer, DT_CENTER);
                  else if (calcWidthCol==col || calcWidthCol==COLUMNS)
                        calc_width(pane, dis, col, buffer);

                  col++;
            }
      } else
            col += 2;
#endif /* _NO_EXTENSIONS */

      /* show file attributes */
      if (visible_cols & COL_ATTRIBUTES) {
#ifdef _NO_EXTENSIONS
            static const WCHAR s4Tabs[] = {' ','\t',' ','\t',' ','\t',' ','\t',' ','\0'};
            lstrcpyW(buffer, s4Tabs);
#else
            static const WCHAR s11Tabs[] = {' ','\t',' ','\t',' ','\t',' ','\t',' ','\t',' ','\t',' ','\t',' ','\t',' ','\t',' ','\t',' ','\t',' ','\0'};
            lstrcpyW(buffer, s11Tabs);
#endif

            if (attrs & FILE_ATTRIBUTE_NORMAL)                          buffer[ 0] = 'N';
            else {
                  if (attrs & FILE_ATTRIBUTE_READONLY)                  buffer[ 2] = 'R';
                  if (attrs & FILE_ATTRIBUTE_HIDDEN)                    buffer[ 4] = 'H';
                  if (attrs & FILE_ATTRIBUTE_SYSTEM)                    buffer[ 6] = 'S';
                  if (attrs & FILE_ATTRIBUTE_ARCHIVE)                   buffer[ 8] = 'A';
                  if (attrs & FILE_ATTRIBUTE_COMPRESSED)                buffer[10] = 'C';
#ifndef _NO_EXTENSIONS
                  if (attrs & FILE_ATTRIBUTE_DIRECTORY)                 buffer[12] = 'D';
                  if (attrs & FILE_ATTRIBUTE_ENCRYPTED)                 buffer[14] = 'E';
                  if (attrs & FILE_ATTRIBUTE_TEMPORARY)                 buffer[16] = 'T';
                  if (attrs & FILE_ATTRIBUTE_SPARSE_FILE)               buffer[18] = 'P';
                  if (attrs & FILE_ATTRIBUTE_REPARSE_POINT)       buffer[20] = 'Q';
                  if (attrs & FILE_ATTRIBUTE_OFFLINE)                   buffer[22] = 'O';
                  if (attrs & FILE_ATTRIBUTE_NOT_CONTENT_INDEXED) buffer[24] = 'X';
#endif /* _NO_EXTENSIONS */
            }

            if (calcWidthCol == -1)
                  output_tabbed_text(pane, dis, col, buffer);
            else if (calcWidthCol==col || calcWidthCol==COLUMNS)
                  calc_tabbed_width(pane, dis, col, buffer);

            col++;
      }

/*TODO
      if (flags.security) {
            static const WCHAR sSecTabs[] = {
                  ' ','\t',' ','\t',' ','\t',' ',
                  ' ','\t',' ',
                  ' ','\t',' ','\t',' ','\t',' ',
                  ' ','\t',' ',
                  ' ','\t',' ','\t',' ','\t',' ',
                  '\0'
            };

            DWORD rights = get_access_mask();

            lstrcpyW(buffer, sSecTabs);

            if (rights & FILE_READ_DATA)              buffer[ 0] = 'R';
            if (rights & FILE_WRITE_DATA)             buffer[ 2] = 'W';
            if (rights & FILE_APPEND_DATA)                  buffer[ 4] = 'A';
            if (rights & FILE_READ_EA)                      {buffer[6] = 'entry'; buffer[ 7] = 'R';}
            if (rights & FILE_WRITE_EA)                     {buffer[9] = 'entry'; buffer[10] = 'W';}
            if (rights & FILE_EXECUTE)                      buffer[12] = 'X';
            if (rights & FILE_DELETE_CHILD)                 buffer[14] = 'D';
            if (rights & FILE_READ_ATTRIBUTES)        {buffer[16] = 'a'; buffer[17] = 'R';}
            if (rights & FILE_WRITE_ATTRIBUTES)       {buffer[19] = 'a'; buffer[20] = 'W';}
            if (rights & WRITE_DAC)                         buffer[22] = 'C';
            if (rights & WRITE_OWNER)                       buffer[24] = 'O';
            if (rights & SYNCHRONIZE)                       buffer[26] = 'S';

            output_text(dis, col++, buffer, DT_LEFT, 3, psize);
      }

      if (flags.description) {
            get_description(buffer);
            output_text(dis, col++, buffer, 0, psize);
      }
*/

#ifdef _NO_EXTENSIONS
  }

        /* draw focus frame */
      if ((dis->itemState&ODS_FOCUS) && calcWidthCol==-1) {
              /* Currently [04/2000] Wine neither behaves exactly the same */
              /* way as WIN 95 nor like Windows NT... */
            HGDIOBJ lastBrush;
            HPEN lastPen;
            HPEN hpen;

            if (!(GetVersion() & 0x80000000)) { /* Windows NT? */
                  LOGBRUSH lb = {PS_SOLID, RGB(255,255,255)};
                  hpen = ExtCreatePen(PS_COSMETIC|PS_ALTERNATE, 1, &lb, 0, 0);
            } else
                  hpen = CreatePen(PS_DOT, 0, RGB(255,255,255));

            lastPen = SelectPen(dis->hDC, hpen);
            lastBrush = SelectObject(dis->hDC, GetStockObject(HOLLOW_BRUSH));
            SetROP2(dis->hDC, R2_XORPEN);
            Rectangle(dis->hDC, focusRect.left, focusRect.top, focusRect.right, focusRect.bottom);
            SelectObject(dis->hDC, lastBrush);
            SelectObject(dis->hDC, lastPen);
            DeleteObject(hpen);
      }
#endif /* _NO_EXTENSIONS */
}


#ifdef _NO_EXTENSIONS

static void draw_splitbar(HWND hwnd, int x)
{
      RECT rt;
      HDC hdc = GetDC(hwnd);

      GetClientRect(hwnd, &rt);

      rt.left = x - SPLIT_WIDTH/2;
      rt.right = x + SPLIT_WIDTH/2+1;

      InvertRect(hdc, &rt);

      ReleaseDC(hwnd, hdc);
}

#endif /* _NO_EXTENSIONS */


#ifndef _NO_EXTENSIONS

static void set_header(Pane* pane)
{
      HDITEMW item;
      int scroll_pos = GetScrollPos(pane->hwnd, SB_HORZ);
      int i=0, x=0;

      item.mask = HDI_WIDTH;
      item.cxy = 0;

      for(; x+pane->widths[i]<scroll_pos && i<COLUMNS; i++) {
            x += pane->widths[i];
            SendMessageW(pane->hwndHeader, HDM_SETITEMW, i, (LPARAM)&item);
      }

      if (i < COLUMNS) {
            x += pane->widths[i];
            item.cxy = x - scroll_pos;
            SendMessageW(pane->hwndHeader, HDM_SETITEMW, i++, (LPARAM)&item);

            for(; i<COLUMNS; i++) {
                  item.cxy = pane->widths[i];
                  x += pane->widths[i];
                  SendMessageW(pane->hwndHeader, HDM_SETITEMW, i, (LPARAM)&item);
            }
      }
}

static LRESULT pane_notify(Pane* pane, NMHDR* pnmh)
{
      switch(pnmh->code) {
            case HDN_ITEMCHANGEDW: {
                  LPNMHEADERW phdn = (LPNMHEADERW)pnmh;
                  int idx = phdn->iItem;
                  int dx = phdn->pitem->cxy - pane->widths[idx];
                  int i;

                  RECT clnt;
                  GetClientRect(pane->hwnd, &clnt);

                  pane->widths[idx] += dx;

                  for(i=idx; ++i<=COLUMNS; )
                        pane->positions[i] += dx;

                  {
                        int scroll_pos = GetScrollPos(pane->hwnd, SB_HORZ);
                        RECT rt_scr;
                        RECT rt_clip;

                        rt_scr.left   = pane->positions[idx+1]-scroll_pos;
                        rt_scr.top    = 0;
                        rt_scr.right  = clnt.right;
                        rt_scr.bottom = clnt.bottom;

                        rt_clip.left   = pane->positions[idx]-scroll_pos;
                        rt_clip.top    = 0;
                        rt_clip.right  = clnt.right;
                        rt_clip.bottom = clnt.bottom;

                        if (rt_scr.left < 0) rt_scr.left = 0;
                        if (rt_clip.left < 0) rt_clip.left = 0;

                        ScrollWindowEx(pane->hwnd, dx, 0, &rt_scr, &rt_clip, 0, 0, SW_INVALIDATE);

                        rt_clip.right = pane->positions[idx+1];
                        RedrawWindow(pane->hwnd, &rt_clip, 0, RDW_INVALIDATE|RDW_UPDATENOW);

                        if (pnmh->code == HDN_ENDTRACKW) {
                              SendMessageW(pane->hwnd, LB_SETHORIZONTALEXTENT, pane->positions[COLUMNS], 0);

                              if (GetScrollPos(pane->hwnd, SB_HORZ) != scroll_pos)
                                    set_header(pane);
                        }
                  }

                  return FALSE;
            }

            case HDN_DIVIDERDBLCLICKW: {
                  LPNMHEADERW phdn = (LPNMHEADERW)pnmh;
                  HDITEMW item;

                  calc_single_width(pane, phdn->iItem);
                  item.mask = HDI_WIDTH;
                  item.cxy = pane->widths[phdn->iItem];

                  SendMessageW(pane->hwndHeader, HDM_SETITEMW, phdn->iItem, (LPARAM)&item);
                  InvalidateRect(pane->hwnd, 0, TRUE);
                  break;}
      }

      return 0;
}

#endif /* _NO_EXTENSIONS */


static void scan_entry(ChildWnd* child, Entry* entry, int idx, HWND hwnd)
{
      WCHAR path[MAX_PATH];
      HCURSOR old_cursor = SetCursor(LoadCursorW(0, (LPCWSTR)IDC_WAIT));

      /* delete sub entries in left pane */
      for(;;) {
            LRESULT res = SendMessageW(child->left.hwnd, LB_GETITEMDATA, idx+1, 0);
            Entry* sub = (Entry*) res;

            if (res==LB_ERR || !sub || sub->level<=entry->level)
                  break;

            SendMessageW(child->left.hwnd, LB_DELETESTRING, idx+1, 0);
      }

      /* empty right pane */
      SendMessageW(child->right.hwnd, LB_RESETCONTENT, 0, 0);

      /* release memory */
      free_entries(entry);

      /* read contents from disk */
#ifdef _SHELL_FOLDERS
      if (entry->etype == ET_SHELL)
      {
            read_directory(entry, NULL, child->sortOrder, hwnd);
      }
      else
#endif
      {
            get_path(entry, path);
            read_directory(entry, path, child->sortOrder, hwnd);
      }

      /* insert found entries in right pane */
      insert_entries(&child->right, entry->down, child->filter_pattern, child->filter_flags, -1);
      calc_widths(&child->right, FALSE);
#ifndef _NO_EXTENSIONS
      set_header(&child->right);
#endif

      child->header_wdths_ok = FALSE;

      SetCursor(old_cursor);
}


/* expand a directory entry */

static BOOL expand_entry(ChildWnd* child, Entry* dir)
{
      int idx;
      Entry* p;

      if (!dir || dir->expanded || !dir->down)
            return FALSE;

      p = dir->down;

      if (p->data.cFileName[0]=='.' && p->data.cFileName[1]=='\0' && p->next) {
            p = p->next;

            if (p->data.cFileName[0]=='.' && p->data.cFileName[1]=='.' &&
                        p->data.cFileName[2]=='\0' && p->next)
                  p = p->next;
      }

      /* no subdirectories ? */
      if (!(p->data.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY))
            return FALSE;

      idx = SendMessageW(child->left.hwnd, LB_FINDSTRING, 0, (LPARAM)dir);

      dir->expanded = TRUE;

      /* insert entries in left pane */
      insert_entries(&child->left, p, NULL, TF_ALL, idx);

      if (!child->header_wdths_ok) {
            if (calc_widths(&child->left, FALSE)) {
#ifndef _NO_EXTENSIONS
                  set_header(&child->left);
#endif

                  child->header_wdths_ok = TRUE;
            }
      }

      return TRUE;
}


static void collapse_entry(Pane* pane, Entry* dir)
{
      int idx = SendMessageW(pane->hwnd, LB_FINDSTRING, 0, (LPARAM)dir);

      ShowWindow(pane->hwnd, SW_HIDE);

      /* hide sub entries */
      for(;;) {
            LRESULT res = SendMessageW(pane->hwnd, LB_GETITEMDATA, idx+1, 0);
            Entry* sub = (Entry*) res;

            if (res==LB_ERR || !sub || sub->level<=dir->level)
                  break;

            SendMessageW(pane->hwnd, LB_DELETESTRING, idx+1, 0);
      }

      dir->expanded = FALSE;

      ShowWindow(pane->hwnd, SW_SHOW);
}


static void refresh_right_pane(ChildWnd* child)
{
      SendMessageW(child->right.hwnd, LB_RESETCONTENT, 0, 0);
      insert_entries(&child->right, child->right.root, child->filter_pattern, child->filter_flags, -1);
      calc_widths(&child->right, FALSE);

#ifndef _NO_EXTENSIONS
      set_header(&child->right);
#endif
}

static void set_curdir(ChildWnd* child, Entry* entry, int idx, HWND hwnd)
{
      WCHAR path[MAX_PATH];

      if (!entry)
            return;

      path[0] = '\0';

      child->left.cur = entry;

      child->right.root = entry->down? entry->down: entry;
      child->right.cur = entry;

      if (!entry->scanned)
            scan_entry(child, entry, idx, hwnd);
      else
            refresh_right_pane(child);

      get_path(entry, path);
      lstrcpyW(child->path, path);

      if (child->hwnd)  /* only change window title, if the window already exists */
            SetWindowTextW(child->hwnd, path);

      if (path[0])
            if (SetCurrentDirectoryW(path))
                  set_space_status();
}


static void refresh_child(ChildWnd* child)
{
      WCHAR path[MAX_PATH], drv[_MAX_DRIVE+1];
      Entry* entry;
      int idx;

      get_path(child->left.cur, path);
      _wsplitpath(path, drv, NULL, NULL, NULL);

      child->right.root = NULL;

      scan_entry(child, &child->root.entry, 0, child->hwnd);

#ifdef _SHELL_FOLDERS

      if (child->root.entry.etype == ET_SHELL)
      {
            LPITEMIDLIST local_pidl = get_path_pidl(path,child->hwnd);
            if (local_pidl)
                  entry = read_tree(&child->root, NULL, local_pidl , drv, child->sortOrder, child->hwnd);
            else
                  entry = NULL;
      }
      else
#endif
            entry = read_tree(&child->root, path, NULL, drv, child->sortOrder, child->hwnd);

      if (!entry)
            entry = &child->root.entry;

      insert_entries(&child->left, child->root.entry.down, NULL, TF_ALL, 0);

      set_curdir(child, entry, 0, child->hwnd);

      idx = SendMessageW(child->left.hwnd, LB_FINDSTRING, 0, (LPARAM)child->left.cur);
      SendMessageW(child->left.hwnd, LB_SETCURSEL, idx, 0);
}


static void create_drive_bar(void)
{
      TBBUTTON drivebarBtn = {0, 0, TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0};
#ifndef _NO_EXTENSIONS
      WCHAR b1[BUFFER_LEN];
#endif
      int btn = 1;
      PWSTR p;

      GetLogicalDriveStringsW(BUFFER_LEN, Globals.drives);

      Globals.hdrivebar = CreateToolbarEx(Globals.hMainWnd, WS_CHILD|WS_VISIBLE|CCS_NOMOVEY|TBSTYLE_LIST,
                        IDW_DRIVEBAR, 2, Globals.hInstance, IDB_DRIVEBAR, &drivebarBtn,
                        0, 16, 13, 16, 13, sizeof(TBBUTTON));

#ifndef _NO_EXTENSIONS
#ifdef __WINE__
      /* insert unix file system button */
      b1[0] = '/';
      b1[1] = '\0';
      b1[2] = '\0';
      SendMessageW(Globals.hdrivebar, TB_ADDSTRINGW, 0, (LPARAM)b1);

      drivebarBtn.idCommand = ID_DRIVE_UNIX_FS;
      SendMessageW(Globals.hdrivebar, TB_INSERTBUTTONW, btn++, (LPARAM)&drivebarBtn);
      drivebarBtn.iString++;
#endif
#ifdef _SHELL_FOLDERS
      /* insert shell namespace button */
      load_string(b1, sizeof(b1)/sizeof(b1[0]), IDS_SHELL);
      b1[lstrlenW(b1)+1] = '\0';
      SendMessageW(Globals.hdrivebar, TB_ADDSTRINGW, 0, (LPARAM)b1);

      drivebarBtn.idCommand = ID_DRIVE_SHELL_NS;
      SendMessageW(Globals.hdrivebar, TB_INSERTBUTTONW, btn++, (LPARAM)&drivebarBtn);
      drivebarBtn.iString++;
#endif

      /* register windows drive root strings */
      SendMessageW(Globals.hdrivebar, TB_ADDSTRINGW, 0, (LPARAM)Globals.drives);
#endif

      drivebarBtn.idCommand = ID_DRIVE_FIRST;

      for(p=Globals.drives; *p; ) {
#ifdef _NO_EXTENSIONS
            /* insert drive letter */
            WCHAR b[3] = {tolower(*p)};
            SendMessageW(Globals.hdrivebar, TB_ADDSTRINGW, 0, (LPARAM)b);
#endif
            switch(GetDriveTypeW(p)) {
                  case DRIVE_REMOVABLE:   drivebarBtn.iBitmap = 1;      break;
                  case DRIVE_CDROM:       drivebarBtn.iBitmap = 3;      break;
                  case DRIVE_REMOTE:            drivebarBtn.iBitmap = 4;      break;
                  case DRIVE_RAMDISK:           drivebarBtn.iBitmap = 5;      break;
                  default:/*DRIVE_FIXED*/ drivebarBtn.iBitmap = 2;
            }

            SendMessageW(Globals.hdrivebar, TB_INSERTBUTTONW, btn++, (LPARAM)&drivebarBtn);
            drivebarBtn.idCommand++;
            drivebarBtn.iString++;

            while(*p++);
      }
}

static void refresh_drives(void)
{
      RECT rect;

      /* destroy drive bar */
      DestroyWindow(Globals.hdrivebar);
      Globals.hdrivebar = 0;

      /* re-create drive bar */
      create_drive_bar();

      /* update window layout */
      GetClientRect(Globals.hMainWnd, &rect);
      SendMessageW(Globals.hMainWnd, WM_SIZE, 0, MAKELONG(rect.right, rect.bottom));
}


static BOOL launch_file(HWND hwnd, LPCWSTR cmd, UINT nCmdShow)
{
      HINSTANCE hinst = ShellExecuteW(hwnd, NULL/*operation*/, cmd, NULL/*parameters*/, NULL/*dir*/, nCmdShow);

      if (PtrToUlong(hinst) <= 32) {
            display_error(hwnd, GetLastError());
            return FALSE;
      }

      return TRUE;
}


static BOOL launch_entry(Entry* entry, HWND hwnd, UINT nCmdShow)
{
      WCHAR cmd[MAX_PATH];

#ifdef _SHELL_FOLDERS
      if (entry->etype == ET_SHELL) {
            BOOL ret = TRUE;

            SHELLEXECUTEINFOW shexinfo;

            shexinfo.cbSize = sizeof(SHELLEXECUTEINFOW);
            shexinfo.fMask = SEE_MASK_IDLIST;
            shexinfo.hwnd = hwnd;
            shexinfo.lpVerb = NULL;
            shexinfo.lpFile = NULL;
            shexinfo.lpParameters = NULL;
            shexinfo.lpDirectory = NULL;
            shexinfo.nShow = nCmdShow;
            shexinfo.lpIDList = get_to_absolute_pidl(entry, hwnd);

            if (!ShellExecuteExW(&shexinfo)) {
                  display_error(hwnd, GetLastError());
                  ret = FALSE;
            }

            if (shexinfo.lpIDList != entry->pidl)
                  IMalloc_Free(Globals.iMalloc, shexinfo.lpIDList);

            return ret;
      }
#endif

      get_path(entry, cmd);

       /* start program, open document... */
      return launch_file(hwnd, cmd, nCmdShow);
}


static void activate_entry(ChildWnd* child, Pane* pane, HWND hwnd)
{
      Entry* entry = pane->cur;

      if (!entry)
            return;

      if (entry->data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
            int scanned_old = entry->scanned;

            if (!scanned_old)
            {
                  int idx = SendMessageW(child->left.hwnd, LB_GETCURSEL, 0, 0);
                  scan_entry(child, entry, idx, hwnd);
            }

#ifndef _NO_EXTENSIONS
            if (entry->data.cFileName[0]=='.' && entry->data.cFileName[1]=='\0')
                  return;
#endif

            if (entry->data.cFileName[0]=='.' && entry->data.cFileName[1]=='.' && entry->data.cFileName[2]=='\0') {
                  entry = child->left.cur->up;
                  collapse_entry(&child->left, entry);
                  goto focus_entry;
            } else if (entry->expanded)
                  collapse_entry(pane, child->left.cur);
            else {
                  expand_entry(child, child->left.cur);

                  if (!pane->treePane) focus_entry: {
                        int idxstart = SendMessageW(child->left.hwnd, LB_GETCURSEL, 0, 0);
                        int idx = SendMessageW(child->left.hwnd, LB_FINDSTRING, idxstart, (LPARAM)entry);
                        SendMessageW(child->left.hwnd, LB_SETCURSEL, idx, 0);
                        set_curdir(child, entry, idx, hwnd);
                  }
            }

            if (!scanned_old) {
                  calc_widths(pane, FALSE);

#ifndef _NO_EXTENSIONS
                  set_header(pane);
#endif
            }
      } else {
            if (GetKeyState(VK_MENU) < 0)
                  show_properties_dlg(entry, child->hwnd);
            else
                  launch_entry(entry, child->hwnd, SW_SHOWNORMAL);
      }
}


static BOOL pane_command(Pane* pane, UINT cmd)
{
      switch(cmd) {
            case ID_VIEW_NAME:
                  if (pane->visible_cols) {
                        pane->visible_cols = 0;
                        calc_widths(pane, TRUE);
#ifndef _NO_EXTENSIONS
                        set_header(pane);
#endif
                        InvalidateRect(pane->hwnd, 0, TRUE);
                        CheckMenuItem(Globals.hMenuView, ID_VIEW_NAME, MF_BYCOMMAND|MF_CHECKED);
                        CheckMenuItem(Globals.hMenuView, ID_VIEW_ALL_ATTRIBUTES, MF_BYCOMMAND);
                        CheckMenuItem(Globals.hMenuView, ID_VIEW_SELECTED_ATTRIBUTES, MF_BYCOMMAND);
                  }
                  break;

            case ID_VIEW_ALL_ATTRIBUTES:
                  if (pane->visible_cols != COL_ALL) {
                        pane->visible_cols = COL_ALL;
                        calc_widths(pane, TRUE);
#ifndef _NO_EXTENSIONS
                        set_header(pane);
#endif
                        InvalidateRect(pane->hwnd, 0, TRUE);
                        CheckMenuItem(Globals.hMenuView, ID_VIEW_NAME, MF_BYCOMMAND);
                        CheckMenuItem(Globals.hMenuView, ID_VIEW_ALL_ATTRIBUTES, MF_BYCOMMAND|MF_CHECKED);
                        CheckMenuItem(Globals.hMenuView, ID_VIEW_SELECTED_ATTRIBUTES, MF_BYCOMMAND);
                  }
                  break;

#ifndef _NO_EXTENSIONS
            case ID_PREFERRED_SIZES: {
                  calc_widths(pane, TRUE);
                  set_header(pane);
                  InvalidateRect(pane->hwnd, 0, TRUE);
                  break;}
#endif

                    /* TODO: more command ids... */

            default:
                  return FALSE;
      }

      return TRUE;
}


static void set_sort_order(ChildWnd* child, SORT_ORDER sortOrder)
{
      if (child->sortOrder != sortOrder) {
            child->sortOrder = sortOrder;
            refresh_child(child);
      }
}

static void update_view_menu(ChildWnd* child)
{
      CheckMenuItem(Globals.hMenuView, ID_VIEW_SORT_NAME, child->sortOrder==SORT_NAME? MF_CHECKED: MF_UNCHECKED);
      CheckMenuItem(Globals.hMenuView, ID_VIEW_SORT_TYPE, child->sortOrder==SORT_EXT? MF_CHECKED: MF_UNCHECKED);
      CheckMenuItem(Globals.hMenuView, ID_VIEW_SORT_SIZE, child->sortOrder==SORT_SIZE? MF_CHECKED: MF_UNCHECKED);
      CheckMenuItem(Globals.hMenuView, ID_VIEW_SORT_DATE, child->sortOrder==SORT_DATE? MF_CHECKED: MF_UNCHECKED);
}


static BOOL is_directory(LPCWSTR target)
{
      /*TODO correctly handle UNIX paths */
      DWORD target_attr = GetFileAttributesW(target);

      if (target_attr == INVALID_FILE_ATTRIBUTES)
            return FALSE;

      return target_attr&FILE_ATTRIBUTE_DIRECTORY? TRUE: FALSE;
}

static BOOL prompt_target(Pane* pane, LPWSTR source, LPWSTR target)
{
      WCHAR path[MAX_PATH];
      int len;

      get_path(pane->cur, path);

      if (DialogBoxParamW(Globals.hInstance, MAKEINTRESOURCEW(IDD_SELECT_DESTINATION), pane->hwnd, DestinationDlgProc, (LPARAM)path) != IDOK)
            return FALSE;

      get_path(pane->cur, source);

      /* convert relative targets to absolute paths */
      if (path[0]!='/' && path[1]!=':') {
            get_path(pane->cur->up, target);
            len = lstrlenW(target);

            if (target[len-1]!='\\' && target[len-1]!='/')
                  target[len++] = '/';

            lstrcpyW(target+len, path);
      } else
            lstrcpyW(target, path);

      /* If the target already exists as directory, create a new target below this. */
      if (is_directory(path)) {
            WCHAR fname[_MAX_FNAME], ext[_MAX_EXT];
            static const WCHAR sAppend[] = {'%','s','/','%','s','%','s','\0'};

            _wsplitpath(source, NULL, NULL, fname, ext);

            wsprintfW(target, sAppend, path, fname, ext);
      }

      return TRUE;
}


static IContextMenu2* s_pctxmenu2 = NULL;
static IContextMenu3* s_pctxmenu3 = NULL;

static void CtxMenu_reset(void)
{
      s_pctxmenu2 = NULL;
      s_pctxmenu3 = NULL;
}

static IContextMenu* CtxMenu_query_interfaces(IContextMenu* pcm1)
{
      IContextMenu* pcm = NULL;

      CtxMenu_reset();

      if (IContextMenu_QueryInterface(pcm1, &IID_IContextMenu3, (void**)&pcm) == NOERROR)
            s_pctxmenu3 = (LPCONTEXTMENU3)pcm;
      else if (IContextMenu_QueryInterface(pcm1, &IID_IContextMenu2, (void**)&pcm) == NOERROR)
            s_pctxmenu2 = (LPCONTEXTMENU2)pcm;

      if (pcm) {
            IContextMenu_Release(pcm1);
            return pcm;
      } else
            return pcm1;
}

static BOOL CtxMenu_HandleMenuMsg(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
      if (s_pctxmenu3) {
            if (SUCCEEDED(IContextMenu3_HandleMenuMsg(s_pctxmenu3, nmsg, wparam, lparam)))
                  return TRUE;
      }

      if (s_pctxmenu2)
            if (SUCCEEDED(IContextMenu2_HandleMenuMsg(s_pctxmenu2, nmsg, wparam, lparam)))
                  return TRUE;

      return FALSE;
}


static HRESULT ShellFolderContextMenu(IShellFolder* shell_folder, HWND hwndParent, int cidl, LPCITEMIDLIST* apidl, int x, int y)
{
      IContextMenu* pcm;
      BOOL executed = FALSE;

      HRESULT hr = IShellFolder_GetUIObjectOf(shell_folder, hwndParent, cidl, apidl, &IID_IContextMenu, NULL, (LPVOID*)&pcm);
/*    HRESULT hr = CDefFolderMenu_Create2(dir?dir->_pidl:DesktopFolder(), hwndParent, 1, &pidl, shell_folder, NULL, 0, NULL, &pcm); */

      if (SUCCEEDED(hr)) {
            HMENU hmenu = CreatePopupMenu();

            pcm = CtxMenu_query_interfaces(pcm);

            if (hmenu) {
                  hr = IContextMenu_QueryContextMenu(pcm, hmenu, 0, FCIDM_SHVIEWFIRST, FCIDM_SHVIEWLAST, CMF_NORMAL);

                  if (SUCCEEDED(hr)) {
                        UINT idCmd = TrackPopupMenu(hmenu, TPM_LEFTALIGN|TPM_RETURNCMD|TPM_RIGHTBUTTON, x, y, 0, hwndParent, NULL);

                        CtxMenu_reset();

                        if (idCmd) {
                          CMINVOKECOMMANDINFO cmi;

                          cmi.cbSize = sizeof(CMINVOKECOMMANDINFO);
                          cmi.fMask = 0;
                          cmi.hwnd = hwndParent;
                          cmi.lpVerb = (LPCSTR)(INT_PTR)(idCmd - FCIDM_SHVIEWFIRST);
                          cmi.lpParameters = NULL;
                          cmi.lpDirectory = NULL;
                          cmi.nShow = SW_SHOWNORMAL;
                          cmi.dwHotKey = 0;
                          cmi.hIcon = 0;

                          hr = IContextMenu_InvokeCommand(pcm, &cmi);
                              executed = TRUE;
                        }
                  } else
                        CtxMenu_reset();
            }

            IContextMenu_Release(pcm);
      }

      return FAILED(hr)? hr: executed? S_OK: S_FALSE;
}


static LRESULT CALLBACK ChildWndProc(HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam)
{
      ChildWnd* child = (ChildWnd*)GetWindowLongPtrW(hwnd, GWLP_USERDATA);
      ASSERT(child);

      switch(nmsg) {
            case WM_DRAWITEM: {
                  LPDRAWITEMSTRUCT dis = (LPDRAWITEMSTRUCT)lparam;
                  Entry* entry = (Entry*) dis->itemData;

                  if (dis->CtlID == IDW_TREE_LEFT)
                        draw_item(&child->left, dis, entry, -1);
                  else if (dis->CtlID == IDW_TREE_RIGHT)
                        draw_item(&child->right, dis, entry, -1);
                  else
                        goto draw_menu_item;

                  return TRUE;}

            case WM_CREATE:
                  InitChildWindow(child);
                  break;

            case WM_NCDESTROY:
                  free_child_window(child);
                  SetWindowLongPtrW(hwnd, GWLP_USERDATA, 0);
                  break;

            case WM_PAINT: {
                  PAINTSTRUCT ps;
                  HBRUSH lastBrush;
                  RECT rt;
                  GetClientRect(hwnd, &rt);
                  BeginPaint(hwnd, &ps);
                  rt.left = child->split_pos-SPLIT_WIDTH/2;
                  rt.right = child->split_pos+SPLIT_WIDTH/2+1;
                  lastBrush = SelectObject(ps.hdc, GetStockObject(COLOR_SPLITBAR));
                  Rectangle(ps.hdc, rt.left, rt.top-1, rt.right, rt.bottom+1);
                  SelectObject(ps.hdc, lastBrush);
#ifdef _NO_EXTENSIONS
                  rt.top = rt.bottom - GetSystemMetrics(SM_CYHSCROLL);
                  FillRect(ps.hdc, &rt, GetStockObject(BLACK_BRUSH));
#endif
                  EndPaint(hwnd, &ps);
                  break;}

            case WM_SETCURSOR:
                  if (LOWORD(lparam) == HTCLIENT) {
                        POINT pt;
                        GetCursorPos(&pt);
                        ScreenToClient(hwnd, &pt);

                        if (pt.x>=child->split_pos-SPLIT_WIDTH/2 && pt.x<child->split_pos+SPLIT_WIDTH/2+1) {
                              SetCursor(LoadCursorW(0, (LPCWSTR)IDC_SIZEWE));
                              return TRUE;
                        }
                  }
                  goto def;

            case WM_LBUTTONDOWN: {
                  RECT rt;
                        int x = (short)LOWORD(lparam);

                  GetClientRect(hwnd, &rt);

                  if (x>=child->split_pos-SPLIT_WIDTH/2 && x<child->split_pos+SPLIT_WIDTH/2+1) {
                        last_split = child->split_pos;
#ifdef _NO_EXTENSIONS
                        draw_splitbar(hwnd, last_split);
#endif
                        SetCapture(hwnd);
                  }

                  break;}

            case WM_LBUTTONUP:
                  if (GetCapture() == hwnd) {
#ifdef _NO_EXTENSIONS
                        RECT rt;
                                int x = (short)LOWORD(lparam);
                        draw_splitbar(hwnd, last_split);
                        last_split = -1;
                        GetClientRect(hwnd, &rt);
                        child->split_pos = x;
                        resize_tree(child, rt.right, rt.bottom);
#endif
                        ReleaseCapture();
                  }
                  break;

#ifdef _NO_EXTENSIONS
            case WM_CAPTURECHANGED:
                  if (GetCapture()==hwnd && last_split>=0)
                        draw_splitbar(hwnd, last_split);
                  break;
#endif

            case WM_KEYDOWN:
                  if (wparam == VK_ESCAPE)
                        if (GetCapture() == hwnd) {
                              RECT rt;
#ifdef _NO_EXTENSIONS
                              draw_splitbar(hwnd, last_split);
#else
                              child->split_pos = last_split;
#endif
                              GetClientRect(hwnd, &rt);
                              resize_tree(child, rt.right, rt.bottom);
                              last_split = -1;
                              ReleaseCapture();
                              SetCursor(LoadCursorW(0, (LPCWSTR)IDC_ARROW));
                        }
                  break;

            case WM_MOUSEMOVE:
                  if (GetCapture() == hwnd) {
                        RECT rt;
                                int x = (short)LOWORD(lparam);

#ifdef _NO_EXTENSIONS
                        HDC hdc = GetDC(hwnd);
                        GetClientRect(hwnd, &rt);

                        rt.left = last_split-SPLIT_WIDTH/2;
                        rt.right = last_split+SPLIT_WIDTH/2+1;
                        InvertRect(hdc, &rt);

                        last_split = x;
                        rt.left = x-SPLIT_WIDTH/2;
                        rt.right = x+SPLIT_WIDTH/2+1;
                        InvertRect(hdc, &rt);

                        ReleaseDC(hwnd, hdc);
#else
                        GetClientRect(hwnd, &rt);

                        if (x>=0 && x<rt.right) {
                              child->split_pos = x;
                              resize_tree(child, rt.right, rt.bottom);
                              rt.left = x-SPLIT_WIDTH/2;
                              rt.right = x+SPLIT_WIDTH/2+1;
                              InvalidateRect(hwnd, &rt, FALSE);
                              UpdateWindow(child->left.hwnd);
                              UpdateWindow(hwnd);
                              UpdateWindow(child->right.hwnd);
                        }
#endif
                  }
                  break;

#ifndef _NO_EXTENSIONS
            case WM_GETMINMAXINFO:
                  DefMDIChildProcW(hwnd, nmsg, wparam, lparam);

                  {LPMINMAXINFO lpmmi = (LPMINMAXINFO)lparam;

                  lpmmi->ptMaxTrackSize.x <<= 1;/*2*GetSystemMetrics(SM_CXSCREEN) / SM_CXVIRTUALSCREEN */
                  lpmmi->ptMaxTrackSize.y <<= 1;/*2*GetSystemMetrics(SM_CYSCREEN) / SM_CYVIRTUALSCREEN */
                  break;}
#endif /* _NO_EXTENSIONS */

            case WM_SETFOCUS:
                  if (SetCurrentDirectoryW(child->path))
                        set_space_status();
                  SetFocus(child->focus_pane? child->right.hwnd: child->left.hwnd);
                  break;

            case WM_DISPATCH_COMMAND: {
                  Pane* pane = GetFocus()==child->left.hwnd? &child->left: &child->right;

                  switch(LOWORD(wparam)) {
                        case ID_WINDOW_NEW: {
                              ChildWnd* new_child = alloc_child_window(child->path, NULL, hwnd);

                              if (!create_child_window(new_child))
                                    HeapFree(GetProcessHeap(), 0, new_child);

                              break;}

                        case ID_REFRESH:
                              refresh_drives();
                              refresh_child(child);
                              break;

                        case ID_ACTIVATE:
                              activate_entry(child, pane, hwnd);
                              break;

                        case ID_FILE_MOVE: {
                              WCHAR source[BUFFER_LEN], target[BUFFER_LEN];

                              if (prompt_target(pane, source, target)) {
                                    SHFILEOPSTRUCTW shfo = {hwnd, FO_MOVE, source, target};

                                    source[lstrlenW(source)+1] = '\0';
                                    target[lstrlenW(target)+1] = '\0';

                                    if (!SHFileOperationW(&shfo))
                                          refresh_child(child);
                              }
                              break;}

                        case ID_FILE_COPY: {
                              WCHAR source[BUFFER_LEN], target[BUFFER_LEN];

                              if (prompt_target(pane, source, target)) {
                                    SHFILEOPSTRUCTW shfo = {hwnd, FO_COPY, source, target};

                                    source[lstrlenW(source)+1] = '\0';
                                    target[lstrlenW(target)+1] = '\0';

                                    if (!SHFileOperationW(&shfo))
                                          refresh_child(child);
                              }
                              break;}

                        case ID_FILE_DELETE: {
                              WCHAR path[BUFFER_LEN];
                              SHFILEOPSTRUCTW shfo = {hwnd, FO_DELETE, path, NULL, FOF_ALLOWUNDO};

                              get_path(pane->cur, path);

                              path[lstrlenW(path)+1] = '\0';

                              if (!SHFileOperationW(&shfo))
                                    refresh_child(child);
                              break;}

                        case ID_VIEW_SORT_NAME:
                              set_sort_order(child, SORT_NAME);
                              break;

                        case ID_VIEW_SORT_TYPE:
                              set_sort_order(child, SORT_EXT);
                              break;

                        case ID_VIEW_SORT_SIZE:
                              set_sort_order(child, SORT_SIZE);
                              break;

                        case ID_VIEW_SORT_DATE:
                              set_sort_order(child, SORT_DATE);
                              break;

                        case ID_VIEW_FILTER: {
                              struct FilterDialog dlg;

                              memset(&dlg, 0, sizeof(struct FilterDialog));
                              lstrcpyW(dlg.pattern, child->filter_pattern);
                              dlg.flags = child->filter_flags;

                              if (DialogBoxParamW(Globals.hInstance, MAKEINTRESOURCEW(IDD_DIALOG_VIEW_TYPE), hwnd, FilterDialogDlgProc, (LPARAM)&dlg) == IDOK) {
                                    lstrcpyW(child->filter_pattern, dlg.pattern);
                                    child->filter_flags = dlg.flags;
                                    refresh_right_pane(child);
                              }
                              break;}

                        case ID_VIEW_SPLIT: {
                              last_split = child->split_pos;
#ifdef _NO_EXTENSIONS
                              draw_splitbar(hwnd, last_split);
#endif
                              SetCapture(hwnd);
                              break;}

                        case ID_EDIT_PROPERTIES:
                              show_properties_dlg(pane->cur, child->hwnd);
                              break;

                        default:
                              return pane_command(pane, LOWORD(wparam));
                  }

                  return TRUE;}

            case WM_COMMAND: {
                  Pane* pane = GetFocus()==child->left.hwnd? &child->left: &child->right;

                  switch(HIWORD(wparam)) {
                        case LBN_SELCHANGE: {
                              int idx = SendMessageW(pane->hwnd, LB_GETCURSEL, 0, 0);
                              Entry* entry = (Entry*)SendMessageW(pane->hwnd, LB_GETITEMDATA, idx, 0);

                              if (pane == &child->left)
                                    set_curdir(child, entry, idx, hwnd);
                              else
                                    pane->cur = entry;
                              break;}

                        case LBN_DBLCLK:
                              activate_entry(child, pane, hwnd);
                              break;
                  }
                  break;}

#ifndef _NO_EXTENSIONS
            case WM_NOTIFY: {
                  NMHDR* pnmh = (NMHDR*) lparam;
                  return pane_notify(pnmh->idFrom==IDW_HEADER_LEFT? &child->left: &child->right, pnmh);}
#endif

#ifdef _SHELL_FOLDERS
            case WM_CONTEXTMENU: {
                  POINT pt, pt_clnt;
                  Pane* pane;
                  int idx;

                   /* first select the current item in the listbox */
                  HWND hpanel = (HWND) wparam;
                  pt_clnt.x = pt.x = (short)LOWORD(lparam);
                  pt_clnt.y = pt.y = (short)HIWORD(lparam);
                  ScreenToClient(hpanel, &pt_clnt);
                  SendMessageW(hpanel, WM_LBUTTONDOWN, 0, MAKELONG(pt_clnt.x, pt_clnt.y));
                  SendMessageW(hpanel, WM_LBUTTONUP, 0, MAKELONG(pt_clnt.x, pt_clnt.y));

                   /* now create the popup menu using shell namespace and IContextMenu */
                  pane = GetFocus()==child->left.hwnd? &child->left: &child->right;
                  idx = SendMessageW(pane->hwnd, LB_GETCURSEL, 0, 0);

                  if (idx != -1) {
                        Entry* entry = (Entry*)SendMessageW(pane->hwnd, LB_GETITEMDATA, idx, 0);

                        LPITEMIDLIST pidl_abs = get_to_absolute_pidl(entry, hwnd);

                        if (pidl_abs) {
                              IShellFolder* parentFolder;
                              LPCITEMIDLIST pidlLast;

                               /* get and use the parent folder to display correct context menu in all cases */
                              if (SUCCEEDED(SHBindToParent(pidl_abs, &IID_IShellFolder, (LPVOID*)&parentFolder, &pidlLast))) {
                                    if (ShellFolderContextMenu(parentFolder, hwnd, 1, &pidlLast, pt.x, pt.y) == S_OK)
                                          refresh_child(child);

                                    IShellFolder_Release(parentFolder);
                              }

                              IMalloc_Free(Globals.iMalloc, pidl_abs);
                        }
                  }
                  break;}
#endif

              case WM_MEASUREITEM:
              draw_menu_item:
                  if (!wparam)      /* Is the message menu-related? */
                        if (CtxMenu_HandleMenuMsg(nmsg, wparam, lparam))
                              return TRUE;

                  break;

              case WM_INITMENUPOPUP:
                  if (CtxMenu_HandleMenuMsg(nmsg, wparam, lparam))
                        return 0;

                  update_view_menu(child);
                  break;

              case WM_MENUCHAR:     /* only supported by IContextMenu3 */
               if (s_pctxmenu3) {
                     LRESULT lResult = 0;

                     IContextMenu3_HandleMenuMsg2(s_pctxmenu3, nmsg, wparam, lparam, &lResult);

                     return lResult;
               }

               break;

            case WM_SIZE:
                  if (wparam != SIZE_MINIMIZED)
                        resize_tree(child, LOWORD(lparam), HIWORD(lparam));
                  /* fall through */

            default: def:
                  return DefMDIChildProcW(hwnd, nmsg, wparam, lparam);
      }

      return 0;
}


static LRESULT CALLBACK TreeWndProc(HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam)
{
      ChildWnd* child = (ChildWnd*)GetWindowLongPtrW(GetParent(hwnd), GWLP_USERDATA);
      Pane* pane = (Pane*)GetWindowLongPtrW(hwnd, GWLP_USERDATA);
      ASSERT(child);

      switch(nmsg) {
#ifndef _NO_EXTENSIONS
            case WM_HSCROLL:
                  set_header(pane);
                  break;
#endif

            case WM_SETFOCUS:
                  child->focus_pane = pane==&child->right? 1: 0;
                  SendMessageW(hwnd, LB_SETSEL, TRUE, 1);
                  /*TODO: check menu items */
                  break;

            case WM_KEYDOWN:
                  if (wparam == VK_TAB) {
                        /*TODO: SetFocus(Globals.hdrivebar) */
                        SetFocus(child->focus_pane? child->left.hwnd: child->right.hwnd);
                  }
      }

      return CallWindowProcW(g_orgTreeWndProc, hwnd, nmsg, wparam, lparam);
}


static void InitInstance(HINSTANCE hinstance)
{
      static const WCHAR sFont[] = {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f','\0'};

      WNDCLASSEXW wcFrame;
      WNDCLASSW wcChild;
      ATOM hChildClass;
      int col;

      INITCOMMONCONTROLSEX icc = {
            sizeof(INITCOMMONCONTROLSEX),
            ICC_BAR_CLASSES
      };

      HDC hdc = GetDC(0);

      setlocale(LC_COLLATE, "");    /* set collating rules to local settings for compareName */

      InitCommonControlsEx(&icc);


      /* register frame window class */

      wcFrame.cbSize        = sizeof(WNDCLASSEXW);
      wcFrame.style         = 0;
      wcFrame.lpfnWndProc   = FrameWndProc;
      wcFrame.cbClsExtra    = 0;
      wcFrame.cbWndExtra    = 0;
      wcFrame.hInstance     = hinstance;
      wcFrame.hIcon         = LoadIconW(hinstance, MAKEINTRESOURCEW(IDI_WINEFILE));
      wcFrame.hCursor       = LoadCursorW(0, (LPCWSTR)IDC_ARROW);
      wcFrame.hbrBackground = 0;
      wcFrame.lpszMenuName  = 0;
      wcFrame.lpszClassName = sWINEFILEFRAME;
      wcFrame.hIconSm       = LoadImageW(hinstance, MAKEINTRESOURCEW(IDI_WINEFILE), IMAGE_ICON, GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED);

      Globals.hframeClass = RegisterClassExW(&wcFrame);


      /* register tree windows class */

      wcChild.style         = CS_CLASSDC|CS_DBLCLKS|CS_VREDRAW;
      wcChild.lpfnWndProc   = ChildWndProc;
      wcChild.cbClsExtra    = 0;
      wcChild.cbWndExtra    = 0;
      wcChild.hInstance     = hinstance;
      wcChild.hIcon         = 0;
      wcChild.hCursor       = LoadCursorW(0, (LPCWSTR)IDC_ARROW);
      wcChild.hbrBackground = 0;
      wcChild.lpszMenuName  = 0;
      wcChild.lpszClassName = sWINEFILETREE;

      hChildClass = RegisterClassW(&wcChild);


      Globals.haccel = LoadAcceleratorsW(hinstance, MAKEINTRESOURCEW(IDA_WINEFILE));

      Globals.hfont = CreateFontW(-MulDiv(8,GetDeviceCaps(hdc,LOGPIXELSY),72), 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, sFont);

      ReleaseDC(0, hdc);

      Globals.hInstance = hinstance;

#ifdef _SHELL_FOLDERS
      CoInitialize(NULL);
      CoGetMalloc(MEMCTX_TASK, &Globals.iMalloc);
      SHGetDesktopFolder(&Globals.iDesktop);
      Globals.cfStrFName = RegisterClipboardFormatW(CFSTR_FILENAMEW);
#endif

      /* load column strings */
      col = 1;

      load_string(g_pos_names[col++], sizeof(g_pos_names[col])/sizeof(g_pos_names[col][0]), IDS_COL_NAME);
      load_string(g_pos_names[col++], sizeof(g_pos_names[col])/sizeof(g_pos_names[col][0]), IDS_COL_SIZE);
      load_string(g_pos_names[col++], sizeof(g_pos_names[col])/sizeof(g_pos_names[col][0]), IDS_COL_CDATE);
#ifndef _NO_EXTENSIONS
      load_string(g_pos_names[col++], sizeof(g_pos_names[col])/sizeof(g_pos_names[col][0]), IDS_COL_ADATE);
      load_string(g_pos_names[col++], sizeof(g_pos_names[col])/sizeof(g_pos_names[col][0]), IDS_COL_MDATE);
      load_string(g_pos_names[col++], sizeof(g_pos_names[col])/sizeof(g_pos_names[col][0]), IDS_COL_IDX);
      load_string(g_pos_names[col++], sizeof(g_pos_names[col])/sizeof(g_pos_names[col][0]), IDS_COL_LINKS);
#endif
      load_string(g_pos_names[col++], sizeof(g_pos_names[col])/sizeof(g_pos_names[col][0]), IDS_COL_ATTR);
#ifndef _NO_EXTENSIONS
      load_string(g_pos_names[col++], sizeof(g_pos_names[col])/sizeof(g_pos_names[col][0]), IDS_COL_SEC);
#endif
}


static BOOL show_frame(HWND hwndParent, int cmdshow, LPCWSTR path)
{
      static const WCHAR sMDICLIENT[] = {'M','D','I','C','L','I','E','N','T','\0'};

      WCHAR buffer[MAX_PATH], b1[BUFFER_LEN];
      ChildWnd* child;
      HMENU hMenuFrame, hMenuWindow;
      windowOptions opts;

      CLIENTCREATESTRUCT ccs;

      if (Globals.hMainWnd)
            return TRUE;

      opts = load_registry_settings();
      hMenuFrame = LoadMenuW(Globals.hInstance, MAKEINTRESOURCEW(IDM_WINEFILE));
      hMenuWindow = GetSubMenu(hMenuFrame, GetMenuItemCount(hMenuFrame)-2);

      Globals.hMenuFrame = hMenuFrame;
      Globals.hMenuView = GetSubMenu(hMenuFrame, 3);
      Globals.hMenuOptions = GetSubMenu(hMenuFrame, 4);

      ccs.hWindowMenu  = hMenuWindow;
      ccs.idFirstChild = IDW_FIRST_CHILD;


      /* create main window */
      Globals.hMainWnd = CreateWindowExW(0, MAKEINTRESOURCEW(Globals.hframeClass), RS(b1,IDS_WINE_FILE), WS_OVERLAPPEDWINDOW,
                              opts.start_x, opts.start_y, opts.width, opts.height,
                              hwndParent, Globals.hMenuFrame, Globals.hInstance, 0/*lpParam*/);


      Globals.hmdiclient = CreateWindowExW(0, sMDICLIENT, NULL,
                              WS_CHILD|WS_CLIPCHILDREN|WS_VSCROLL|WS_HSCROLL|WS_VISIBLE|WS_BORDER,
                              0, 0, 0, 0,
                              Globals.hMainWnd, 0, Globals.hInstance, &ccs);
  
      CheckMenuItem(Globals.hMenuOptions, ID_VIEW_DRIVE_BAR, MF_BYCOMMAND|MF_CHECKED);
      CheckMenuItem(Globals.hMenuOptions, ID_VIEW_SAVESETTINGS, MF_BYCOMMAND);

      create_drive_bar();

      {
            TBBUTTON toolbarBtns[] = {
                  {0, 0, 0, BTNS_SEP, {0, 0}, 0, 0},
                  {0, ID_WINDOW_NEW, TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0},
                  {1, ID_WINDOW_CASCADE, TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0},
                  {2, ID_WINDOW_TILE_HORZ, TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0},
                  {3, ID_WINDOW_TILE_VERT, TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0},
/*TODO
                  {4, ID_... , TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0},
                  {5, ID_... , TBSTATE_ENABLED, BTNS_BUTTON, {0, 0}, 0, 0},
*/          };

            Globals.htoolbar = CreateToolbarEx(Globals.hMainWnd, WS_CHILD|WS_VISIBLE,
                  IDW_TOOLBAR, 2, Globals.hInstance, IDB_TOOLBAR, toolbarBtns,
                  sizeof(toolbarBtns)/sizeof(TBBUTTON), 16, 15, 16, 15, sizeof(TBBUTTON));
            CheckMenuItem(Globals.hMenuOptions, ID_VIEW_TOOL_BAR, MF_BYCOMMAND|MF_CHECKED);
      }

      Globals.hstatusbar = CreateStatusWindowW(WS_CHILD|WS_VISIBLE, 0, Globals.hMainWnd, IDW_STATUSBAR);
      CheckMenuItem(Globals.hMenuOptions, ID_VIEW_STATUSBAR, MF_BYCOMMAND|MF_CHECKED);

/* CreateStatusWindowW does not accept WS_BORDER
      Globals.hstatusbar = CreateWindowExW(WS_EX_NOPARENTNOTIFY, STATUSCLASSNAME, 0,
                              WS_CHILD|WS_VISIBLE|WS_CLIPSIBLINGS|WS_BORDER|CCS_NODIVIDER, 0,0,0,0,
                              Globals.hMainWnd, (HMENU)IDW_STATUSBAR, hinstance, 0);*/

      /*TODO: read paths from registry */

      if (!path || !*path) {
            GetCurrentDirectoryW(MAX_PATH, buffer);
            path = buffer;
      }

      ShowWindow(Globals.hMainWnd, cmdshow);

#if defined(_SHELL_FOLDERS) && !defined(__WINE__)
       /* Shell Namespace as default: */
      child = alloc_child_window(path, get_path_pidl(path,Globals.hMainWnd), Globals.hMainWnd);
#else
      child = alloc_child_window(path, NULL, Globals.hMainWnd);
#endif

      child->pos.showCmd = SW_SHOWMAXIMIZED;
      child->pos.rcNormalPosition.left = 0;
      child->pos.rcNormalPosition.top = 0;
      child->pos.rcNormalPosition.right = 320;
      child->pos.rcNormalPosition.bottom = 280;

      if (!create_child_window(child)) {
            HeapFree(GetProcessHeap(), 0, child);
            return FALSE;
      }

      SetWindowPlacement(child->hwnd, &child->pos);

      Globals.himl = ImageList_LoadImageW(Globals.hInstance, MAKEINTRESOURCEW(IDB_IMAGES), 16, 0, RGB(0,255,0), IMAGE_BITMAP, 0);

      Globals.prescan_node = FALSE;

      UpdateWindow(Globals.hMainWnd);

      if (child->hwnd && path && path[0])
      {
            int index,count;
            WCHAR drv[_MAX_DRIVE+1], dir[_MAX_DIR], name[_MAX_FNAME], ext[_MAX_EXT];
            WCHAR fullname[_MAX_FNAME+_MAX_EXT+1];

            memset(name,0,sizeof(name));
            memset(name,0,sizeof(ext));
            _wsplitpath(path, drv, dir, name, ext);
            if (name[0])
            {
                  count = SendMessageW(child->right.hwnd, LB_GETCOUNT, 0, 0);
                  lstrcpyW(fullname,name);
                  lstrcatW(fullname,ext);

                  for (index = 0; index < count; index ++)
                  {
                        Entry* entry = (Entry*)SendMessageW(child->right.hwnd, LB_GETITEMDATA, index, 0);
                        if (lstrcmpW(entry->data.cFileName,fullname)==0 ||
                                    lstrcmpW(entry->data.cAlternateFileName,fullname)==0)
                        {
                              SendMessageW(child->right.hwnd, LB_SETCURSEL, index, 0);
                              SetFocus(child->right.hwnd);
                              break;
                        }
                  }
            }
      }
      return TRUE;
}

static void ExitInstance(void)
{
#ifdef _SHELL_FOLDERS
      IShellFolder_Release(Globals.iDesktop);
      IMalloc_Release(Globals.iMalloc);
      CoUninitialize();
#endif

      DeleteObject(Globals.hfont);
      ImageList_Destroy(Globals.himl);
}

#ifdef _NO_EXTENSIONS

/* search for already running win[e]files */

static int g_foundPrevInstance = 0;

static BOOL CALLBACK EnumWndProc(HWND hwnd, LPARAM lparam)
{
      WCHAR cls[128];

      GetClassName(hwnd, cls, 128);

      if (!lstrcmpW(cls, (LPCWSTR)lparam)) {
            g_foundPrevInstance++;
            return FALSE;
      }

      return TRUE;
}

/* search for window of given class name to allow only one running instance */
static int find_window_class(LPCWSTR classname)
{
      EnumWindows(EnumWndProc, (LPARAM)classname);

      if (g_foundPrevInstance)
            return 1;

      return 0;
}

#endif

static int winefile_main(HINSTANCE hinstance, int cmdshow, LPCWSTR path)
{
      MSG msg;

      InitInstance(hinstance);

      if( !show_frame(0, cmdshow, path) )
      {
            ExitInstance();
            return 1;
      }

      while(GetMessageW(&msg, 0, 0, 0)) {
            if (Globals.hmdiclient && TranslateMDISysAccel(Globals.hmdiclient, &msg))
                  continue;

            if (Globals.hMainWnd && TranslateAcceleratorW(Globals.hMainWnd, Globals.haccel, &msg))
                  continue;

            TranslateMessage(&msg);
            DispatchMessageW(&msg);
      }

      ExitInstance();

      return msg.wParam;
}


#if defined(_MSC_VER)
int APIENTRY wWinMain(HINSTANCE hinstance, HINSTANCE previnstance, LPWSTR cmdline, int cmdshow)
#else
int APIENTRY WinMain(HINSTANCE hinstance, HINSTANCE previnstance, LPSTR cmdline, int cmdshow)
#endif
{
#ifdef _NO_EXTENSIONS
      if (find_window_class(sWINEFILEFRAME))
            return 1;
#endif

      { /* convert ANSI cmdline into WCS path string */
      WCHAR buffer[MAX_PATH];
      MultiByteToWideChar(CP_ACP, 0, cmdline, -1, buffer, MAX_PATH);
      winefile_main(hinstance, cmdshow, buffer);
      }

      return 0;
}

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