add wxGet/Set/HasWindowExStyle() helpers and use them

[wxWidgets.git] / src / msw / filedlg.cpp

diff --git a/src/msw/filedlg.cpp b/src/msw/filedlg.cpp
index f71cfb69c8ccc5b6a6f43469b2861429644d8ce8..b42c276494575624a2a6cce3337ba2b3fed0d071 100644 (file)
--- a/src/msw/filedlg.cpp
+++ b/src/msw/filedlg.cpp
@@ -26,26 +26,25 @@
 
 #if wxUSE_FILEDLG && !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
 
 
 #if wxUSE_FILEDLG && !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
 

+#include "wx/filedlg.h"
+

 #ifndef WX_PRECOMP
 #ifndef WX_PRECOMP

+    #include "wx/msw/wrapcdlg.h"
+    #include "wx/msw/missing.h"

     #include "wx/utils.h"
     #include "wx/msgdlg.h"
     #include "wx/utils.h"
     #include "wx/msgdlg.h"

-    #include "wx/filedlg.h"

     #include "wx/filefn.h"
     #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/app.h"
     #include "wx/filefn.h"
     #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/app.h"

+    #include "wx/math.h"

 #endif
 
 #endif
 

-#include "wx/msw/wrapcdlg.h"
-

 #include <stdlib.h>
 #include <string.h>
 
 #include "wx/filename.h"
 #include "wx/tokenzr.h"
 #include <stdlib.h>
 #include <string.h>
 
 #include "wx/filename.h"
 #include "wx/tokenzr.h"

-#include "wx/math.h"
-
-#include "wx/msw/missing.h"

 
 // ----------------------------------------------------------------------------
 // constants
 
 // ----------------------------------------------------------------------------
 // constants


@@ -65,7 +64,8 @@
 // globals
 // ----------------------------------------------------------------------------
 
 // globals
 // ----------------------------------------------------------------------------
 

-// standard dialog size
+// standard dialog size for the old Windows systems where the dialog wasn't
+// resizeable

 static wxRect gs_rectDialog(0, 0, 428, 266);
 
 // ============================================================================
 static wxRect gs_rectDialog(0, 0, 428, 266);
 
 // ============================================================================


@@ -84,36 +84,28 @@ wxFileDialogHookFunction(HWND      hDlg,
                          WPARAM    WXUNUSED(wParam),
                          LPARAM    lParam)
 {
                          WPARAM    WXUNUSED(wParam),
                          LPARAM    lParam)
 {

-    HWND   hwndDialog;
-    hwndDialog = ::GetParent( hDlg );
-    switch (iMsg)
+    switch ( iMsg )

     {
     {

-        case WM_DESTROY:
-            {
-                RECT dlgRect;
-                GetWindowRect( hwndDialog, & dlgRect );
-                gs_rectDialog.x = dlgRect.left;
-                gs_rectDialog.y = dlgRect.top;
-                gs_rectDialog.width = dlgRect.right - dlgRect.left;
-                gs_rectDialog.height = dlgRect.bottom - dlgRect.top;
-            }
-            break;
-

         case WM_NOTIFY:
             {
         case WM_NOTIFY:
             {

-                OFNOTIFY *   pNotifyCode;
-                pNotifyCode = (LPOFNOTIFY) lParam;
-                if (CDN_INITDONE == (pNotifyCode->hdr).code)
+                OFNOTIFY *pNotifyCode = wx_reinterpret_cast(OFNOTIFY *, lParam);
+                if ( pNotifyCode->hdr.code == CDN_INITDONE )

                 {
                 {

-                    SetWindowPos( hwndDialog, HWND_TOP,
-                                  gs_rectDialog.x,
-                                  gs_rectDialog.y,
-                                  gs_rectDialog.width,
-                                  gs_rectDialog.height,
-                                  SWP_NOZORDER|SWP_NOSIZE);
+                    wx_reinterpret_cast(wxFileDialog *,
+                                        pNotifyCode->lpOFN->lCustData)
+                        ->MSWOnInitDone((WXHWND)hDlg);

                  }
             }
             break;
                  }
             }
             break;

+
+        case WM_DESTROY:
+            // reuse the position used for the dialog the next time by default
+            //
+            // NB: at least under Windows 2003 this is useless as after the
+            //     first time it's shown the dialog always remembers its size
+            //     and position itself and ignores any later SetWindowPos calls
+            wxCopyRECTToRect(wxGetWindowRect(::GetParent(hDlg)), gs_rectDialog);
+            break;

     }
 
     // do the default processing
     }
 
     // do the default processing


@@ -130,23 +122,25 @@ wxFileDialog::wxFileDialog(wxWindow *parent,
                            const wxString& defaultFileName,
                            const wxString& wildCard,
                            long style,
                            const wxString& defaultFileName,
                            const wxString& wildCard,
                            long style,

-                           const wxPoint& pos)
+                           const wxPoint& pos,
+                           const wxSize& sz,
+                           const wxString& name)

             : wxFileDialogBase(parent, message, defaultDir, defaultFileName,
             : wxFileDialogBase(parent, message, defaultDir, defaultFileName,

-                               wildCard, style, pos)
+                               wildCard, style, pos, sz, name)

 
 {
 
 {

-    if ( ( m_dialogStyle & wxMULTIPLE ) && ( m_dialogStyle & wxSAVE ) )
-        m_dialogStyle &= ~wxMULTIPLE;
+    // NB: all style checks are done by wxFileDialogBase::Create

 
     m_bMovedWindow = false;
 
     m_bMovedWindow = false;

+    m_centreDir = 0;

 
     // Must set to zero, otherwise the wx routines won't size the window
     // the second time you call the file dialog, because it thinks it is
     // already at the requested size.. (when centering)
     gs_rectDialog.x =
     gs_rectDialog.y = 0;
 
     // Must set to zero, otherwise the wx routines won't size the window
     // the second time you call the file dialog, because it thinks it is
     // already at the requested size.. (when centering)
     gs_rectDialog.x =
     gs_rectDialog.y = 0;

-

 }
 }

+

 void wxFileDialog::GetPaths(wxArrayString& paths) const
 {
     paths.Empty();
 void wxFileDialog::GetPaths(wxArrayString& paths) const
 {
     paths.Empty();


@@ -178,41 +172,91 @@ void wxFileDialog::SetPath(const wxString& path)
         m_fileName << _T('.') << ext;
 }
 
         m_fileName << _T('.') << ext;
 }
 

-void wxFileDialog::DoGetPosition( int *x, int *y ) const
+void wxFileDialog::DoGetPosition(int *x, int *y) const

 {
 {

-    *x = gs_rectDialog.x;
-    *y = gs_rectDialog.y;
+    if ( x )
+        *x = gs_rectDialog.x;
+    if ( y )
+        *y = gs_rectDialog.y;

 }
 
 }
 

-

 void wxFileDialog::DoGetSize(int *width, int *height) const
 {
 void wxFileDialog::DoGetSize(int *width, int *height) const
 {

-    *width  = gs_rectDialog.width;
-    *height = gs_rectDialog.height;
+    if ( width )
+        *width = gs_rectDialog.width;
+    if ( height )
+        *height = gs_rectDialog.height;

 }
 
 }
 

-void wxFileDialog::DoMoveWindow(int x, int y, int WXUNUSED(width), int WXUNUSED(height))
+void wxFileDialog::DoMoveWindow(int x, int y, int WXUNUSED(w), int WXUNUSED(h))

 {
 {

-    m_bMovedWindow = true;
-

     gs_rectDialog.x = x;
     gs_rectDialog.y = y;
 
     gs_rectDialog.x = x;
     gs_rectDialog.y = y;
 

-    /*
-        The width and height can not be set by the programmer
-        its just not possible.  But the program can get the
-        size of the Dlg after it has been shown, in case they need
-        that data.
-    */
+    // our HWND is only set when we're called from MSWOnInitDone(), test if
+    // this is the case
+    HWND hwnd = GetHwnd();
+    if ( hwnd )
+    {
+        // size of the dialog can't be changed because the controls are not
+        // laid out correctly then
+       ::SetWindowPos(hwnd, HWND_TOP, x, y, 0, 0, SWP_NOZORDER | SWP_NOSIZE);
+    }
+    else // just remember that we were requested to move the window
+    {
+        m_bMovedWindow = true;
+
+        // if Centre() had been called before, it shouldn't be taken into
+        // account now
+        m_centreDir = 0;
+    }

 }
 
 }
 

-// helper used below in ShowModal(): style is used to determine whether to show
-// the "Save file" dialog (if it contains wxSAVE bit) or "Open file" one;
-// returns true on success or false on failure in which case err is filled with
-// the CDERR_XXX constant
+void wxFileDialog::DoCentre(int dir)
+{
+    m_centreDir = dir;
+    m_bMovedWindow = true;
+
+    // it's unnecessary to do anything else at this stage as we'll redo it in
+    // MSWOnInitDone() anyhow
+}
+
+void wxFileDialog::MSWOnInitDone(WXHWND hDlg)
+{
+    // note the the dialog is the parent window: hDlg is a child of it when
+    // OFN_EXPLORER is used
+    HWND hFileDlg = ::GetParent((HWND)hDlg);
+
+    // set HWND so that our DoMoveWindow() works correctly
+    SetHWND((WXHWND)hFileDlg);
+
+    if ( m_centreDir )
+    {
+        // now we have the real dialog size, remember it
+        RECT rect;
+        GetWindowRect(hFileDlg, &rect);
+        gs_rectDialog = wxRectFromRECT(rect);
+
+        // and position the window correctly: notice that we must use the base
+        // class version as our own doesn't do anything except setting flags
+        wxFileDialogBase::DoCentre(m_centreDir);
+    }
+    else // need to just move it to the correct place
+    {
+        SetPosition(gs_rectDialog.GetPosition());
+    }
+
+    // we shouldn't destroy this HWND
+    SetHWND(NULL);
+}
+
+// helper used below in ShowCommFileDialog(): style is used to determine
+// whether to show the "Save file" dialog (if it contains wxFD_SAVE bit) or
+// "Open file" one; returns true on success or false on failure in which case
+// err is filled with the CDERR_XXX constant

 static bool DoShowCommFileDialog(OPENFILENAME *of, long style, DWORD *err)
 {
 static bool DoShowCommFileDialog(OPENFILENAME *of, long style, DWORD *err)
 {

-    if ( style & wxSAVE ? GetSaveFileName(of) : GetOpenFileName(of) )
+    if ( style & wxFD_SAVE ? GetSaveFileName(of) : GetOpenFileName(of) )

         return true;
 
     if ( err )
         return true;
 
     if ( err )


@@ -230,6 +274,86 @@ static bool DoShowCommFileDialog(OPENFILENAME *of, long style, DWORD *err)
     return false;
 }
 
     return false;
 }
 

+// We want to use OPENFILENAME struct version 5 (Windows 2000/XP) but we don't
+// know if the OPENFILENAME declared in the currently used headers is a V5 or
+// V4 (smaller) one so we try to manually extend the struct in case it is the
+// old one.
+//
+// We don't do this on Windows CE nor under Win64, however, as there are no
+// compilers with old headers for these architectures
+#if defined(__WXWINCE__) || defined(__WIN64__)
+    typedef OPENFILENAME wxOPENFILENAME;
+
+    static const DWORD gs_ofStructSize = sizeof(OPENFILENAME);
+#else // !__WXWINCE__ || __WIN64__
+    #define wxTRY_SMALLER_OPENFILENAME
+
+    struct wxOPENFILENAME : public OPENFILENAME
+    {
+        // fields added in Windows 2000/XP comdlg32.dll version
+        void *pVoid;
+        DWORD dw1;
+        DWORD dw2;
+    };
+
+    // hardcoded sizeof(OPENFILENAME) in the Platform SDK: we have to do it
+    // because sizeof(OPENFILENAME) in the headers we use when compiling the
+    // library could be less if _WIN32_WINNT is not >= 0x500
+    static const DWORD wxOPENFILENAME_V5_SIZE = 88;
+
+    // this is hardcoded sizeof(OPENFILENAME_NT4) from Platform SDK
+    static const DWORD wxOPENFILENAME_V4_SIZE = 76;
+
+    // always try the new one first
+    static DWORD gs_ofStructSize = wxOPENFILENAME_V5_SIZE;
+#endif // __WXWINCE__ || __WIN64__/!...
+
+static bool ShowCommFileDialog(OPENFILENAME *of, long style)
+{
+    DWORD errCode;
+    bool success = DoShowCommFileDialog(of, style, &errCode);
+
+#ifdef wxTRY_SMALLER_OPENFILENAME
+    // the system might be too old to support the new version file dialog
+    // boxes, try with the old size
+    if ( !success && errCode == CDERR_STRUCTSIZE &&
+            of->lStructSize != wxOPENFILENAME_V4_SIZE )
+    {
+        of->lStructSize = wxOPENFILENAME_V4_SIZE;
+
+        success = DoShowCommFileDialog(of, style, &errCode);
+
+        if ( success || !errCode )
+        {
+            // use this struct size for subsequent dialogs
+            gs_ofStructSize = of->lStructSize;
+        }
+    }
+#endif // wxTRY_SMALLER_OPENFILENAME
+
+    if ( !success && errCode == FNERR_INVALIDFILENAME && of->lpstrFile[0] )
+    {
+        // this can happen if the default file name is invalid, try without it
+        // now
+        of->lpstrFile[0] = _T('\0');
+        success = DoShowCommFileDialog(of, style, &errCode);
+    }
+
+    if ( !success )
+    {
+        // common dialog failed - why?
+        if ( errCode != 0 )
+        {
+            wxLogError(_("File dialog failed with error code %0lx."), errCode);
+        }
+        //else: it was just cancelled
+
+        return false;
+    }
+
+    return true;
+}
+

 int wxFileDialog::ShowModal()
 {
     HWND hWnd = 0;
 int wxFileDialog::ShowModal()
 {
     HWND hWnd = 0;


@@ -243,15 +367,9 @@ int wxFileDialog::ShowModal()
     *fileNameBuffer = wxT('\0');
     *titleBuffer    = wxT('\0');
 
     *fileNameBuffer = wxT('\0');
     *titleBuffer    = wxT('\0');
 

-#if WXWIN_COMPATIBILITY_2_4
-    long msw_flags = 0;
-    if ( (m_dialogStyle & wxHIDE_READONLY) || (m_dialogStyle & wxSAVE) )
-        msw_flags |= OFN_HIDEREADONLY;
-#else

     long msw_flags = OFN_HIDEREADONLY;
     long msw_flags = OFN_HIDEREADONLY;

-#endif

 
 

-    if ( m_dialogStyle & wxFILE_MUST_EXIST )
+    if ( HasFdFlag(wxFD_FILE_MUST_EXIST) )

         msw_flags |= OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
     /*
         If the window has been moved the programmer is probably
         msw_flags |= OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
     /*
         If the window has been moved the programmer is probably


@@ -259,12 +377,7 @@ int wxFileDialog::ShowModal()
         or hook function so that we can actually adjust the position.
         Without moving or centering the dlg, it will just stay
         in the upper left of the frame, it does not center
         or hook function so that we can actually adjust the position.
         Without moving or centering the dlg, it will just stay
         in the upper left of the frame, it does not center

-        automatically..  One additional note, when the hook is
-        enabled, the PLACES BAR in the dlg (shown on later versions
-        of windows (2000 and XP) will automatically be turned off
-        according to the MSDN docs.  This is normal.  If the
-        programmer needs the PLACES BAR (left side of dlg) they
-        just shouldn't move or center the dlg.
+        automatically.

     */
     if (m_bMovedWindow) // we need these flags.
     {
     */
     if (m_bMovedWindow) // we need these flags.
     {


@@ -274,43 +387,33 @@ int wxFileDialog::ShowModal()
 #endif
     }
 
 #endif
     }
 

-    if (m_dialogStyle & wxMULTIPLE )
+    if ( HasFdFlag(wxFD_MULTIPLE) )

     {
         // OFN_EXPLORER must always be specified with OFN_ALLOWMULTISELECT
         msw_flags |= OFN_EXPLORER | OFN_ALLOWMULTISELECT;
     }
 
     {
         // OFN_EXPLORER must always be specified with OFN_ALLOWMULTISELECT
         msw_flags |= OFN_EXPLORER | OFN_ALLOWMULTISELECT;
     }
 

-    // if wxCHANGE_DIR flag is not given we shouldn't change the CWD which the
+    // if wxFD_CHANGE_DIR flag is not given we shouldn't change the CWD which the

     // standard dialog does by default (notice that under NT it does it anyhow,
     // OFN_NOCHANGEDIR or not, see below)
     // standard dialog does by default (notice that under NT it does it anyhow,
     // OFN_NOCHANGEDIR or not, see below)

-    if ( !(m_dialogStyle & wxCHANGE_DIR) )
+    if ( !HasFdFlag(wxFD_CHANGE_DIR) )

     {
         msw_flags |= OFN_NOCHANGEDIR;
     }
 
     {
         msw_flags |= OFN_NOCHANGEDIR;
     }
 

-    if ( m_dialogStyle & wxOVERWRITE_PROMPT )
+    if ( HasFdFlag(wxFD_OVERWRITE_PROMPT) )

     {
         msw_flags |= OFN_OVERWRITEPROMPT;
     }
 
     {
         msw_flags |= OFN_OVERWRITEPROMPT;
     }
 

-    OPENFILENAME of;
+    wxOPENFILENAME of;

     wxZeroMemory(of);
 
     wxZeroMemory(of);
 

-    // the OPENFILENAME struct has been extended in newer version of
-    // comcdlg32.dll, but as we don't use the extended fields anyhow, set
-    // the struct size to the old value - otherwise, the programs compiled
-    // with new headers will not work with the old libraries
-#if !defined(__WXWINCE__) && defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0500)
-    of.lStructSize       = sizeof(OPENFILENAME) -
-                           (sizeof(void *) + 2*sizeof(DWORD));
-#else // old headers
-    of.lStructSize       = sizeof(OPENFILENAME);
-#endif
-
+    of.lStructSize       = gs_ofStructSize;

     of.hwndOwner         = hWnd;
     of.hwndOwner         = hWnd;

-    of.lpstrTitle        = WXSTRINGCAST m_message;
+    of.lpstrTitle        = m_message.wx_str();

     of.lpstrFileTitle    = titleBuffer;
     of.lpstrFileTitle    = titleBuffer;

-    of.nMaxFileTitle     = wxMAXFILE + 1 + wxMAXEXT;    // Windows 3.0 and 3.1
+    of.nMaxFileTitle     = wxMAXFILE + 1 + wxMAXEXT;

 
     // Convert forward slashes to backslashes (file selector doesn't like
     // forward slashes) and also squeeze multiple consecutive slashes into one
 
     // Convert forward slashes to backslashes (file selector doesn't like
     // forward slashes) and also squeeze multiple consecutive slashes into one


@@ -355,6 +458,7 @@ int wxFileDialog::ShowModal()
 
     of.Flags             = msw_flags;
     of.lpfnHook          = wxFileDialogHookFunction;
 
     of.Flags             = msw_flags;
     of.lpfnHook          = wxFileDialogHookFunction;

+    of.lCustData         = (LPARAM)this;

 
     wxArrayString wildDescriptions, wildFilters;
 
 
     wxArrayString wildDescriptions, wildFilters;
 


@@ -373,31 +477,31 @@ int wxFileDialog::ShowModal()
     }
 
     // Replace | with \0
     }
 
     // Replace | with \0

-    for (i = 0; i < filterBuffer.Len(); i++ ) {
+    for (i = 0; i < filterBuffer.length(); i++ ) {

         if ( filterBuffer.GetChar(i) == wxT('|') ) {
             filterBuffer[i] = wxT('\0');
         }
     }
 
         if ( filterBuffer.GetChar(i) == wxT('|') ) {
             filterBuffer[i] = wxT('\0');
         }
     }
 

-    of.lpstrFilter  = (LPTSTR)filterBuffer.c_str();
+    of.lpstrFilter  = (LPTSTR)filterBuffer.wx_str();

     of.nFilterIndex = m_filterIndex + 1;
 
     //=== Setting defaultFileName >>=========================================
 
     of.nFilterIndex = m_filterIndex + 1;
 
     //=== Setting defaultFileName >>=========================================
 

-    wxStrncpy( fileNameBuffer, (const wxChar *)m_fileName, wxMAXPATH-1 );
+    wxStrncpy(fileNameBuffer, m_fileName, wxMAXPATH-1);

     fileNameBuffer[ wxMAXPATH-1 ] = wxT('\0');
 
     of.lpstrFile = fileNameBuffer;  // holds returned filename
     of.nMaxFile  = wxMAXPATH;
 
     // we must set the default extension because otherwise Windows would check
     fileNameBuffer[ wxMAXPATH-1 ] = wxT('\0');
 
     of.lpstrFile = fileNameBuffer;  // holds returned filename
     of.nMaxFile  = wxMAXPATH;
 
     // we must set the default extension because otherwise Windows would check

-    // for the existing of a wrong file with wxOVERWRITE_PROMPT (i.e. if the
+    // for the existing of a wrong file with wxFD_OVERWRITE_PROMPT (i.e. if the

     // user types "foo" and the default extension is ".bar" we should force it
     // to check for "foo.bar" existence and not "foo")
     wxString defextBuffer; // we need it to be alive until GetSaveFileName()!
     // user types "foo" and the default extension is ".bar" we should force it
     // to check for "foo.bar" existence and not "foo")
     wxString defextBuffer; // we need it to be alive until GetSaveFileName()!

-    if (m_dialogStyle & wxSAVE)
+    if (HasFdFlag(wxFD_SAVE))

     {
     {

-        const wxChar* extension = filterBuffer;
+        const wxChar* extension = filterBuffer.wx_str();

         int maxFilter = (int)(of.nFilterIndex*2L) - 1;
 
         for( int i = 0; i < maxFilter; i++ )           // get extension
         int maxFilter = (int)(of.nFilterIndex*2L) - 1;
 
         for( int i = 0; i < maxFilter; i++ )           // get extension


@@ -407,7 +511,7 @@ int wxFileDialog::ShowModal()
         defextBuffer = AppendExtension(wxT("a"), extension);
         if (defextBuffer.StartsWith(wxT("a.")))
         {
         defextBuffer = AppendExtension(wxT("a"), extension);
         if (defextBuffer.StartsWith(wxT("a.")))
         {

-            defextBuffer.Mid(2);
+            defextBuffer = defextBuffer.Mid(2); // remove "a."

             of.lpstrDefExt = defextBuffer.c_str();
         }
     }
             of.lpstrDefExt = defextBuffer.c_str();
         }
     }


@@ -417,123 +521,87 @@ int wxFileDialog::ShowModal()
 
     //== Execute FileDialog >>=================================================
 
 
     //== Execute FileDialog >>=================================================
 

-    DWORD errCode;
-    bool success = DoShowCommFileDialog(&of, m_dialogStyle, &errCode);
+    if ( !ShowCommFileDialog(&of, m_windowStyle) )
+        return wxID_CANCEL;

 
 

-    // sometimes we may have a mismatch between the headers used to compile the
-    // library and the run-time version of comdlg32.dll, try to account for it
-#ifndef __WXWINCE__
-    if ( !success && errCode == CDERR_STRUCTSIZE )
+    // GetOpenFileName will always change the current working directory on
+    // (according to MSDN) "Windows NT 4.0/2000/XP" because the flag
+    // OFN_NOCHANGEDIR has no effect.  If the user did not specify
+    // wxFD_CHANGE_DIR let's restore the current working directory to what it
+    // was before the dialog was shown.
+    if ( msw_flags & OFN_NOCHANGEDIR )

     {
     {

-        // The struct size has changed so try a smaller or bigger size
-        const int oldStructSize = of.lStructSize;
-        of.lStructSize = oldStructSize - (sizeof(void *) + 2*sizeof(DWORD));
-        success = DoShowCommFileDialog(&of, m_dialogStyle, &errCode);
-
-        if ( !success && (errCode == CDERR_STRUCTSIZE) )
-        {
-            // try to adjust in the other direction
-            of.lStructSize = oldStructSize + (sizeof(void *) + 2*sizeof(DWORD));
-            success = DoShowCommFileDialog(&of, m_dialogStyle, &errCode);
-        }
+        wxSetWorkingDirectory(cwdOrig);

     }
     }

-#endif // !__WXWINCE__
-
-    if ( success )
-    {
-        // GetOpenFileName will always change the current working directory on 
-        // (according to MSDN) "Windows NT 4.0/2000/XP" because the flag
-        // OFN_NOCHANGEDIR has no effect.  If the user did not specify
-        // wxCHANGE_DIR let's restore the current working directory to what it
-        // was before the dialog was shown.
-        if ( msw_flags & OFN_NOCHANGEDIR )
-        {
-            wxSetWorkingDirectory(cwdOrig);
-        }

 
 

-        m_fileNames.Empty();
+    m_fileNames.Empty();

 
 

-        if ( ( m_dialogStyle & wxMULTIPLE ) &&
+    if ( ( HasFdFlag(wxFD_MULTIPLE) ) &&

 #if defined(OFN_EXPLORER)
 #if defined(OFN_EXPLORER)

-             ( fileNameBuffer[of.nFileOffset-1] == wxT('\0') )
+         ( fileNameBuffer[of.nFileOffset-1] == wxT('\0') )

 #else
 #else

-             ( fileNameBuffer[of.nFileOffset-1] == wxT(' ') )
+         ( fileNameBuffer[of.nFileOffset-1] == wxT(' ') )

 #endif // OFN_EXPLORER
 #endif // OFN_EXPLORER

-           )
-        {
+       )
+    {

 #if defined(OFN_EXPLORER)
 #if defined(OFN_EXPLORER)

-            m_dir = fileNameBuffer;
-            i = of.nFileOffset;
-            m_fileName = &fileNameBuffer[i];
-            m_fileNames.Add(m_fileName);
-            i += m_fileName.Len() + 1;
+        m_dir = fileNameBuffer;
+        i = of.nFileOffset;
+        m_fileName = &fileNameBuffer[i];
+        m_fileNames.Add(m_fileName);
+        i += m_fileName.length() + 1;

 
 

-            while (fileNameBuffer[i] != wxT('\0'))
-            {
-                m_fileNames.Add(&fileNameBuffer[i]);
-                i += wxStrlen(&fileNameBuffer[i]) + 1;
-            }
+        while (fileNameBuffer[i] != wxT('\0'))
+        {
+            m_fileNames.Add(&fileNameBuffer[i]);
+            i += wxStrlen(&fileNameBuffer[i]) + 1;
+        }

 #else
 #else

-            wxStringTokenizer toke(fileNameBuffer, _T(" \t\r\n"));
-            m_dir = toke.GetNextToken();
-            m_fileName = toke.GetNextToken();
-            m_fileNames.Add(m_fileName);
+        wxStringTokenizer toke(fileNameBuffer, _T(" \t\r\n"));
+        m_dir = toke.GetNextToken();
+        m_fileName = toke.GetNextToken();
+        m_fileNames.Add(m_fileName);

 
 

-            while (toke.HasMoreTokens())
-                m_fileNames.Add(toke.GetNextToken());
+        while (toke.HasMoreTokens())
+            m_fileNames.Add(toke.GetNextToken());

 #endif // OFN_EXPLORER
 
 #endif // OFN_EXPLORER
 

-            wxString dir(m_dir);
-            if ( m_dir.Last() != _T('\\') )
-                dir += _T('\\');
+        wxString dir(m_dir);
+        if ( m_dir.Last() != _T('\\') )
+            dir += _T('\\');

 
 

-            m_path = dir + m_fileName;
-            m_filterIndex = (int)of.nFilterIndex - 1;
-        }
-        else
-        {
-            //=== Adding the correct extension >>=================================
-
-            m_filterIndex = (int)of.nFilterIndex - 1;
+        m_path = dir + m_fileName;
+        m_filterIndex = (int)of.nFilterIndex - 1;
+    }
+    else
+    {
+        //=== Adding the correct extension >>=================================

 
 

-            if ( !of.nFileExtension ||
-                 (of.nFileExtension && fileNameBuffer[of.nFileExtension] == wxT('\0')) )
-            {
-                // User has typed a filename without an extension:
-                const wxChar* extension = filterBuffer;
-                int   maxFilter = (int)(of.nFilterIndex*2L) - 1;
+        m_filterIndex = (int)of.nFilterIndex - 1;

 
 

-                for( int i = 0; i < maxFilter; i++ )           // get extension
-                    extension = extension + wxStrlen( extension ) + 1;
+        if ( !of.nFileExtension ||
+             (of.nFileExtension && fileNameBuffer[of.nFileExtension] == wxT('\0')) )
+        {
+            // User has typed a filename without an extension:
+            const wxChar* extension = filterBuffer.wx_str();
+            int   maxFilter = (int)(of.nFilterIndex*2L) - 1;

 
 

-                m_fileName = AppendExtension(fileNameBuffer, extension);
-                wxStrncpy(fileNameBuffer, m_fileName.c_str(), wxMin(m_fileName.Len(), wxMAXPATH-1));
-                fileNameBuffer[wxMin(m_fileName.Len(), wxMAXPATH-1)] = wxT('\0');
-            }
+            for( int i = 0; i < maxFilter; i++ )           // get extension
+                extension = extension + wxStrlen( extension ) + 1;

 
 

-            m_path = fileNameBuffer;
-            m_fileName = wxFileNameFromPath(fileNameBuffer);
-            m_fileNames.Add(m_fileName);
-            m_dir = wxPathOnly(fileNameBuffer);
+            m_fileName = AppendExtension(fileNameBuffer, extension);
+            wxStrncpy(fileNameBuffer, m_fileName.c_str(), wxMin(m_fileName.length(), wxMAXPATH-1));
+            fileNameBuffer[wxMin(m_fileName.length(), wxMAXPATH-1)] = wxT('\0');

         }
         }

-    }
-#ifdef __WXDEBUG__
-    else
-    {
-        // common dialog failed - why?
-        if ( errCode != 0 )
-        {
-            // this msg is only for developers so don't translate it
-            wxLogError(wxT("Common dialog failed with error code %0lx."),
-                       errCode);
+
+        m_path = fileNameBuffer;
+        m_fileName = wxFileNameFromPath(fileNameBuffer);
+        m_fileNames.Add(m_fileName);
+        m_dir = wxPathOnly(fileNameBuffer);

         }
         }

-        //else: it was just cancelled
-    }
-#endif // __WXDEBUG__

 
 

-    return success ? wxID_OK : wxID_CANCEL;
+    return wxID_OK;

 
 }
 
 #endif // wxUSE_FILEDLG && !(__SMARTPHONE__ && __WXWINCE__)
 
 }
 
 #endif // wxUSE_FILEDLG && !(__SMARTPHONE__ && __WXWINCE__)

-