*/
}
+// 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
+static bool DoShowCommFileDialog(OPENFILENAME *of, long style, DWORD *err)
+{
+ if ( style & wxSAVE ? GetSaveFileName(of) : GetOpenFileName(of) )
+ return true;
+
+ if ( err )
+ {
+#ifdef __WXWINCE__
+ // according to MSDN, CommDlgExtendedError() should work under CE as
+ // well but apparently in practice it doesn't (anybody has more
+ // details?)
+ *err = GetLastError();
+#else
+ *err = CommDlgExtendedError();
+#endif
+ }
+
+ return false;
+}
+
int wxFileDialog::ShowModal()
{
HWND hWnd = 0;
//== Execute FileDialog >>=================================================
- bool success = (m_dialogStyle & wxSAVE ? GetSaveFileName(&of)
- : GetOpenFileName(&of)) != 0;
+ DWORD errCode;
+ bool success = DoShowCommFileDialog(&of, m_dialogStyle, &errCode);
-#ifdef __WXWINCE__
- DWORD errCode = GetLastError();
-#else
- DWORD errCode = CommDlgExtendedError();
-
- DWORD errCode = CommDlgExtendedError();
-
- // 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 (assuming this behavior extends to Windows Server 2003
- // seems safe).
- if ( success &&
- (msw_flags & OFN_NOCHANGEDIR) &&
- wxGetOsVersion() == wxWINDOWS_NT )
- {
- wxSetWorkingDirectory(cwdOrig);
- }
-
-#ifdef __WIN32__
- if (!success && (errCode == CDERR_STRUCTSIZE))
+ // 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 )
{
// 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);
- int oldStructSize = of.lStructSize;
- of.lStructSize = oldStructSize - (sizeof(void *) + 2*sizeof(DWORD));
- success = (m_dialogStyle & wxSAVE) ? (GetSaveFileName(&of) != 0)
- : (GetOpenFileName(&of) != 0);
- errCode = CommDlgExtendedError();
-
- if (!success && (errCode == CDERR_STRUCTSIZE))
+ if ( !success && (errCode == CDERR_STRUCTSIZE) )
{
- of.lStructSize = oldStructSize + (sizeof(void *) + 2*sizeof(DWORD));
- success = (m_dialogStyle & wxSAVE) ? (GetSaveFileName(&of) != 0)
- : (GetOpenFileName(&of) != 0);
+ // try to adjust in the other direction
+ of.lStructSize = oldStructSize + (sizeof(void *) + 2*sizeof(DWORD));
+ success = DoShowCommFileDialog(&of, m_dialogStyle, &errCode);
}
}
-#endif // __WIN32__
-#endif // __WXWINCE__
+#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();
if ( ( m_dialogStyle & wxMULTIPLE ) &&
m_dir = wxPathOnly(fileNameBuffer);
}
}
+#ifdef __WXDEBUG__
else
{
// common dialog failed - why?
-#ifdef __WXDEBUG__
-#ifdef __WXWINCE__
- if (errCode == 0)
+ if ( errCode != 0 )
{
- // OK, user cancelled the dialog
- }
- else if (errCode == ERROR_INVALID_PARAMETER)
- {
- wxLogError(wxT("Invalid parameter passed to file dialog function."));
- }
- else if (errCode == ERROR_OUTOFMEMORY)
- {
- wxLogError(wxT("Out of memory when calling file dialog function."));
- }
- else if (errCode == ERROR_CALL_NOT_IMPLEMENTED)
- {
- wxLogError(wxT("Call not implemented when calling file dialog function."));
- }
- else
- {
- wxLogError(wxT("Unknown error %d when calling file dialog function."), errCode);
- }
-#else
- DWORD dwErr = CommDlgExtendedError();
- if ( dwErr != 0 )
- {
- // this msg is only for developers
+ // this msg is only for developers so don't translate it
wxLogError(wxT("Common dialog failed with error code %0lx."),
- dwErr);
+ errCode);
}
//else: it was just cancelled
-#endif
-#endif
}
+#endif // __WXDEBUG__
return success ? wxID_OK : wxID_CANCEL;