X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/77ffb5937e89927b621128789401db8921fe580f..12bb29f5432174ecbd65549bda832d70d34a98ae:/src/msw/filedlg.cpp diff --git a/src/msw/filedlg.cpp b/src/msw/filedlg.cpp index 7adedb7f72..fd71dc6b9c 100644 --- a/src/msw/filedlg.cpp +++ b/src/msw/filedlg.cpp @@ -6,7 +6,7 @@ // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWidgets licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "filedlg.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,34 +24,30 @@ #pragma hdrstop #endif -#if wxUSE_FILEDLG && !defined(__SMARTPHONE__) +#if wxUSE_FILEDLG && !(defined(__SMARTPHONE__) && defined(__WXWINCE__)) + +#include "wx/filedlg.h" #ifndef WX_PRECOMP + #include "wx/msw/wrapcdlg.h" + #include "wx/msw/missing.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/math.h" #endif -#include "wx/msw/private.h" - -#if !defined(__WIN32__) || defined(__WXWINCE__) - #include -#endif - -#include #include #include +#include "wx/dynlib.h" #include "wx/filename.h" +#include "wx/scopeguard.h" #include "wx/tokenzr.h" - -#ifndef OFN_EXPLORER - #define OFN_EXPLORER 0x00080000 -#endif +#include "wx/modalhook.h" // ---------------------------------------------------------------------------- // constants @@ -71,12 +63,150 @@ # define wxMAXEXT 5 +// ---------------------------------------------------------------------------- +// globals +// ---------------------------------------------------------------------------- + +// standard dialog size for the old Windows systems where the dialog wasn't +// resizable +static wxRect gs_rectDialog(0, 0, 428, 266); + // ============================================================================ // implementation // ============================================================================ IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase) +// ---------------------------------------------------------------------------- + +namespace +{ + +#if wxUSE_DYNLIB_CLASS + +typedef BOOL (WINAPI *GetProcessUserModeExceptionPolicy_t)(LPDWORD); +typedef BOOL (WINAPI *SetProcessUserModeExceptionPolicy_t)(DWORD); + +GetProcessUserModeExceptionPolicy_t gs_pfnGetProcessUserModeExceptionPolicy + = (GetProcessUserModeExceptionPolicy_t) -1; + +SetProcessUserModeExceptionPolicy_t gs_pfnSetProcessUserModeExceptionPolicy + = (SetProcessUserModeExceptionPolicy_t) -1; + +DWORD gs_oldExceptionPolicyFlags = 0; + +bool gs_changedPolicy = false; + +#endif // #if wxUSE_DYNLIB_CLASS + +/* +Since Windows 7 by default (callback) exceptions aren't swallowed anymore +with native x64 applications. Exceptions can occur in a file dialog when +using the hook procedure in combination with third-party utilities. +Since Windows 7 SP1 the swallowing of exceptions can be enabled again +by using SetProcessUserModeExceptionPolicy. +*/ +void ChangeExceptionPolicy() +{ +#if wxUSE_DYNLIB_CLASS + gs_changedPolicy = false; + + wxLoadedDLL dllKernel32(wxT("kernel32.dll")); + + if ( gs_pfnGetProcessUserModeExceptionPolicy + == (GetProcessUserModeExceptionPolicy_t) -1) + { + wxDL_INIT_FUNC(gs_pfn, GetProcessUserModeExceptionPolicy, dllKernel32); + wxDL_INIT_FUNC(gs_pfn, SetProcessUserModeExceptionPolicy, dllKernel32); + } + + if ( !gs_pfnGetProcessUserModeExceptionPolicy + || !gs_pfnSetProcessUserModeExceptionPolicy + || !gs_pfnGetProcessUserModeExceptionPolicy(&gs_oldExceptionPolicyFlags) ) + { + return; + } + + if ( gs_pfnSetProcessUserModeExceptionPolicy(gs_oldExceptionPolicyFlags + | 0x1 /* PROCESS_CALLBACK_FILTER_ENABLED */ ) ) + { + gs_changedPolicy = true; + } + +#endif // wxUSE_DYNLIB_CLASS +} + +void RestoreExceptionPolicy() +{ +#if wxUSE_DYNLIB_CLASS + if (gs_changedPolicy) + { + gs_changedPolicy = false; + (void) gs_pfnSetProcessUserModeExceptionPolicy(gs_oldExceptionPolicyFlags); + } +#endif // wxUSE_DYNLIB_CLASS +} + +} // unnamed namespace + +// ---------------------------------------------------------------------------- +// hook function for moving the dialog +// ---------------------------------------------------------------------------- + +UINT_PTR APIENTRY +wxFileDialogHookFunction(HWND hDlg, + UINT iMsg, + WPARAM WXUNUSED(wParam), + LPARAM lParam) +{ + switch ( iMsg ) + { +#ifndef __WXWINCE__ + case WM_INITDIALOG: + { + OPENFILENAME* ofn = reinterpret_cast(lParam); + reinterpret_cast(ofn->lCustData) + ->MSWOnInitDialogHook((WXHWND)hDlg); + } + break; +#endif // __WXWINCE__ + + case WM_NOTIFY: + { + OFNOTIFY* const + pNotifyCode = reinterpret_cast(lParam); + wxFileDialog* const + dialog = reinterpret_cast( + pNotifyCode->lpOFN->lCustData + ); + + switch ( pNotifyCode->hdr.code ) + { + case CDN_INITDONE: + dialog->MSWOnInitDone((WXHWND)hDlg); + break; + + case CDN_SELCHANGE: + dialog->MSWOnSelChange((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 + return 0; +} + // ---------------------------------------------------------------------------- // wxFileDialog // ---------------------------------------------------------------------------- @@ -87,12 +217,23 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& defaultFileName, const wxString& wildCard, long style, - const wxPoint& pos) - :wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos) + const wxPoint& pos, + const wxSize& sz, + const wxString& name) + : wxFileDialogBase(parent, message, defaultDir, defaultFileName, + 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_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; } void wxFileDialog::GetPaths(wxArrayString& paths) const @@ -100,8 +241,8 @@ void wxFileDialog::GetPaths(wxArrayString& paths) const paths.Empty(); wxString dir(m_dir); - if ( m_dir.Last() != _T('\\') ) - dir += _T('\\'); + if ( m_dir.empty() || m_dir.Last() != wxT('\\') ) + dir += wxT('\\'); size_t count = m_fileNames.GetCount(); for ( size_t n = 0; n < count; n++ ) @@ -118,16 +259,228 @@ void wxFileDialog::GetFilenames(wxArrayString& files) const files = m_fileNames; } -void wxFileDialog::SetPath(const wxString& path) +void wxFileDialog::DoGetPosition(int *x, int *y) const +{ + if ( x ) + *x = gs_rectDialog.x; + if ( y ) + *y = gs_rectDialog.y; +} + +void wxFileDialog::DoGetSize(int *width, int *height) const +{ + if ( width ) + *width = gs_rectDialog.width; + if ( height ) + *height = gs_rectDialog.height; +} + +void wxFileDialog::DoMoveWindow(int x, int y, int WXUNUSED(w), int WXUNUSED(h)) +{ + gs_rectDialog.x = x; + gs_rectDialog.y = y; + + // 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; + } +} + +void wxFileDialog::DoCentre(int dir) { - wxString ext; - wxSplitPath(path, &m_dir, &m_fileName, &ext); - if ( !ext.empty() ) - m_fileName << _T('.') << ext; + 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 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()); + } + + // Call selection change handler so that update handler will be + // called once with no selection. + MSWOnSelChange(hDlg); + + // we shouldn't destroy this HWND + SetHWND(NULL); +} + +void wxFileDialog::MSWOnSelChange(WXHWND hDlg) +{ + TCHAR buf[MAX_PATH]; + LRESULT len = SendMessage(::GetParent(hDlg), CDM_GETFILEPATH, + MAX_PATH, reinterpret_cast(buf)); + + if ( len > 0 ) + m_currentlySelectedFilename = buf; + else + m_currentlySelectedFilename.clear(); + + if ( m_extraControl ) + m_extraControl->UpdateWindowUI(wxUPDATE_UI_RECURSE); +} + +// 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) +{ + if ( style & wxFD_SAVE ? 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; +} + +// 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 && + // FNERR_INVALIDFILENAME is not defined under CE (besides we don't + // use CommDlgExtendedError() there anyhow) +#ifndef __WXWINCE__ + errCode == FNERR_INVALIDFILENAME && +#endif // !__WXWINCE__ + of->lpstrFile[0] ) + { + // this can happen if the default file name is invalid, try without it + // now + of->lpstrFile[0] = wxT('\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; +} + +#ifndef __WXWINCE__ +void wxFileDialog::MSWOnInitDialogHook(WXHWND hwnd) +{ + SetHWND(hwnd); + + CreateExtraControl(); + + SetHWND(NULL); +} +#endif // __WXWINCE__ + int wxFileDialog::ShowModal() { + WX_HOOK_MODAL_DIALOG(); + HWND hWnd = 0; if (m_parent) hWnd = (HWND) m_parent->GetHWND(); if (!hWnd && wxTheApp->GetTopWindow()) @@ -139,84 +492,117 @@ int wxFileDialog::ShowModal() *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; -#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 + trying to center or position it. Thus we set the callback + 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. + */ + if (m_bMovedWindow || HasExtraControlCreator()) // we need these flags. + { + ChangeExceptionPolicy(); + msw_flags |= OFN_EXPLORER|OFN_ENABLEHOOK; +#ifndef __WXWINCE__ + msw_flags |= OFN_ENABLESIZING; +#endif + } + + wxON_BLOCK_EXIT0(RestoreExceptionPolicy); - if (m_dialogStyle & wxMULTIPLE ) + if ( HasFdFlag(wxFD_MULTIPLE) ) { // 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 - // standard dialog does by default - if ( !(m_dialogStyle & wxCHANGE_DIR) ) + // 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) + if ( !HasFdFlag(wxFD_CHANGE_DIR) ) { msw_flags |= OFN_NOCHANGEDIR; } - if ( m_dialogStyle & wxOVERWRITE_PROMPT ) + if ( HasFdFlag(wxFD_OVERWRITE_PROMPT) ) { msw_flags |= OFN_OVERWRITEPROMPT; } - OPENFILENAME of; + wxOPENFILENAME 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(_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.lpstrTitle = WXSTRINGCAST m_message; + of.lpstrTitle = m_message.t_str(); of.lpstrFileTitle = titleBuffer; - of.nMaxFileTitle = wxMAXFILE + 1 + wxMAXEXT; // Windows 3.0 and 3.1 + of.nMaxFileTitle = wxMAXFILE + 1 + wxMAXEXT; + +#ifndef __WXWINCE__ + GlobalPtr hgbl; + if ( HasExtraControlCreator() ) + { + msw_flags |= OFN_ENABLETEMPLATEHANDLE; + + hgbl.Init(256, GMEM_ZEROINIT); + GlobalPtrLock hgblLock(hgbl); + LPDLGTEMPLATE lpdt = static_cast(hgblLock.Get()); + + // Define a dialog box. + + lpdt->style = DS_CONTROL | WS_CHILD | WS_CLIPSIBLINGS; + lpdt->cdit = 0; // Number of controls + lpdt->x = 0; + lpdt->y = 0; + + // convert the size of the extra controls to the dialog units + const wxSize extraSize = GetExtraControlSize(); + const LONG baseUnits = ::GetDialogBaseUnits(); + lpdt->cx = ::MulDiv(extraSize.x, 4, LOWORD(baseUnits)); + lpdt->cy = ::MulDiv(extraSize.y, 8, HIWORD(baseUnits)); + + // after the DLGTEMPLATE there are 3 additional WORDs for dialog menu, + // class and title, all three set to zeros. + + of.hInstance = (HINSTANCE)lpdt; + } +#endif // __WXWINCE__ // Convert forward slashes to backslashes (file selector doesn't like // forward slashes) and also squeeze multiple consecutive slashes into one // as it doesn't like two backslashes in a row neither - wxString dir; - size_t i, len = m_dir.length(); + wxString dir; + size_t i, len = m_dir.length(); dir.reserve(len); for ( i = 0; i < len; i++ ) { wxChar ch = m_dir[i]; switch ( ch ) { - case _T('/'): + case wxT('/'): // convert to backslash - ch = _T('\\'); + ch = wxT('\\'); // fall through - case _T('\\'): + case wxT('\\'): while ( i < len - 1 ) { wxChar chNext = m_dir[i + 1]; - if ( chNext != _T('\\') && chNext != _T('/') ) + if ( chNext != wxT('\\') && chNext != wxT('/') ) break; // ignore the next one, unless it is at the start of a UNC path if (i > 0) i++; else - break; + break; } // fall through @@ -229,169 +615,149 @@ int wxFileDialog::ShowModal() of.lpstrInitialDir = dir.c_str(); of.Flags = msw_flags; + of.lpfnHook = wxFileDialogHookFunction; + of.lCustData = (LPARAM)this; + wxArrayString wildDescriptions, wildFilters; - //=== Like Alejandro Sierra's wildcard modification >>=================== - /* - In wxFileSelector you can put, instead of a single wild_card, - pairs of strings separated by '|'. - The first string is a description, and the - second is the wild card. You can put any number of pairs. + size_t items = wxParseCommonDialogsFilter(m_wildCard, wildDescriptions, wildFilters); - eg. "description1 (*.ex1)|*.ex1|description2 (*.ex2)|*.ex2" + wxASSERT_MSG( items > 0 , wxT("empty wildcard list") ); - If you put a single wild card, it works as before the modification. - */ - //======================================================================= - - wxString theFilter; - if ( wxStrlen(m_wildCard) == 0 ) - theFilter = wxString(wxT("*.*")); - else - theFilter = m_wildCard ; wxString filterBuffer; - if ( !wxStrchr( theFilter, wxT('|') ) ) { // only one filter ==> default text - filterBuffer.Printf(_("Files (%s)|%s"), - theFilter.c_str(), theFilter.c_str()); - } - else { // more then one filter - filterBuffer = theFilter; - + for (i = 0; i < items ; i++) + { + filterBuffer += wildDescriptions[i]; + filterBuffer += wxT("|"); + filterBuffer += wildFilters[i]; + filterBuffer += wxT("|"); } - filterBuffer += wxT("|"); // 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'); } } - of.lpstrFilter = (LPTSTR)(const wxChar *)filterBuffer; + of.lpstrFilter = filterBuffer.t_str(); of.nFilterIndex = m_filterIndex + 1; //=== Setting defaultFileName >>========================================= - wxStrncpy( fileNameBuffer, (const wxChar *)m_fileName, wxMAXPATH-1 ); - fileNameBuffer[ wxMAXPATH-1 ] = wxT('\0'); + wxStrlcpy(fileNameBuffer, m_fileName.c_str(), WXSIZEOF(fileNameBuffer)); of.lpstrFile = fileNameBuffer; // holds returned filename of.nMaxFile = wxMAXPATH; - //== Execute FileDialog >>================================================= - - bool success = (m_dialogStyle & wxSAVE ? GetSaveFileName(&of) - : GetOpenFileName(&of)) != 0; - - DWORD errCode = CommDlgExtendedError(); - -#ifdef __WIN32__ - if (!success && (errCode == CDERR_STRUCTSIZE)) + // we must set the default extension because otherwise Windows would check + // 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()! + if (HasFdFlag(wxFD_SAVE)) { - // The struct size has changed so try a smaller or bigger size + const wxChar* extension = filterBuffer.t_str(); + int maxFilter = (int)(of.nFilterIndex*2L) - 1; - int oldStructSize = of.lStructSize; - of.lStructSize = oldStructSize - (sizeof(void *) + 2*sizeof(DWORD)); - success = (m_dialogStyle & wxSAVE) ? (GetSaveFileName(&of) != 0) - : (GetOpenFileName(&of) != 0); - errCode = CommDlgExtendedError(); + for( int i = 0; i < maxFilter; i++ ) // get extension + extension = extension + wxStrlen( extension ) + 1; - if (!success && (errCode == CDERR_STRUCTSIZE)) + // use dummy name a to avoid assert in AppendExtension + defextBuffer = AppendExtension(wxT("a"), extension); + if (defextBuffer.StartsWith(wxT("a."))) { - of.lStructSize = oldStructSize + (sizeof(void *) + 2*sizeof(DWORD)); - success = (m_dialogStyle & wxSAVE) ? (GetSaveFileName(&of) != 0) - : (GetOpenFileName(&of) != 0); + defextBuffer = defextBuffer.Mid(2); // remove "a." + of.lpstrDefExt = defextBuffer.c_str(); } } -#endif // __WIN32__ - if ( success ) + // store off before the standard windows dialog can possibly change it + const wxString cwdOrig = wxGetCwd(); + + //== Execute FileDialog >>================================================= + + if ( !ShowCommFileDialog(&of, m_windowStyle) ) + return wxID_CANCEL; + + // 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 ) { - m_fileNames.Empty(); + wxSetWorkingDirectory(cwdOrig); + } - if ( ( m_dialogStyle & wxMULTIPLE ) && + m_fileNames.Empty(); + + if ( ( HasFdFlag(wxFD_MULTIPLE) ) && #if defined(OFN_EXPLORER) - ( fileNameBuffer[of.nFileOffset-1] == wxT('\0') ) + ( fileNameBuffer[of.nFileOffset-1] == wxT('\0') ) #else - ( fileNameBuffer[of.nFileOffset-1] == wxT(' ') ) + ( fileNameBuffer[of.nFileOffset-1] == wxT(' ') ) #endif // 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 - wxStringTokenizer toke(fileNameBuffer, _T(" \t\r\n")); - m_dir = toke.GetNextToken(); - m_fileName = toke.GetNextToken(); - m_fileNames.Add(m_fileName); + wxStringTokenizer toke(fileNameBuffer, wxT(" \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 - 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 >>================================= + wxString dir(m_dir); + if ( m_dir.Last() != wxT('\\') ) + dir += wxT('\\'); - 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.t_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); + wxStrlcpy(fileNameBuffer, m_fileName.c_str(), WXSIZEOF(fileNameBuffer)); } - } - else - { - // common dialog failed - why? -#ifdef __WXDEBUG__ - DWORD dwErr = CommDlgExtendedError(); - if ( dwErr != 0 ) - { - // this msg is only for developers - wxLogError(wxT("Common dialog failed with error code %0lx."), - dwErr); + + m_path = fileNameBuffer; + m_fileName = wxFileNameFromPath(fileNameBuffer); + m_fileNames.Add(m_fileName); + m_dir = wxPathOnly(fileNameBuffer); } - //else: it was just cancelled -#endif - } - return success ? wxID_OK : wxID_CANCEL; + return wxID_OK; } -#endif // wxUSE_FILEDLG - +#endif // wxUSE_FILEDLG && !(__SMARTPHONE__ && __WXWINCE__)