/////////////////////////////////////////////////////////////////////////////
-// Name: filedlg.cpp
+// Name: src/msw/filedlg.cpp
// Purpose: wxFileDialog
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
-// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
+// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
- #pragma implementation "filedlg.h"
-#endif
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
+#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/dialog.h"
- #include "wx/filedlg.h"
+ #include "wx/filefn.h"
#include "wx/intl.h"
#include "wx/log.h"
-
- #include "wx/msw/private.h"
-#endif
-
-#if !defined(__WIN32__) || defined(__SALFORDC__) || defined(__WXWINE__)
- #include <commdlg.h>
+ #include "wx/app.h"
+ #include "wx/math.h"
#endif
-#include <math.h>
#include <stdlib.h>
#include <string.h>
+#include "wx/dynlib.h"
+#include "wx/filename.h"
+#include "wx/scopeguard.h"
#include "wx/tokenzr.h"
+#include "wx/modalhook.h"
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+#ifdef __WIN32__
+# define wxMAXPATH 65534
+#else
+# define wxMAXPATH 1024
+#endif
+
+# define wxMAXFILE 1024
+
+# 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;
-IMPLEMENT_CLASS(wxFileDialog, wxDialog)
+ wxLoadedDLL dllKernel32(wxT("kernel32.dll"));
-wxString wxFileSelector(const wxChar *title,
- const wxChar *defaultDir,
- const wxChar *defaultFileName,
- const wxChar *defaultExtension,
- const wxChar *filter,
- int flags,
- wxWindow *parent,
- int x, int y)
+ 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()
{
- // In the original implementation, defaultExtension is passed to the
- // lpstrDefExt member of OPENFILENAME. This extension, if non-NULL, is
- // appended to the filename if the user fails to type an extension. The new
- // implementation (taken from wxFileSelectorEx) appends the extension
- // automatically, by looking at the filter specification. In fact this
- // should be better than the native Microsoft implementation because
- // Windows only allows *one* default extension, whereas here we do the
- // right thing depending on the filter the user has chosen.
-
- // If there's a default extension specified but no filter, we create a
- // suitable filter.
-
- wxString filter2;
- if ( defaultExtension && !filter )
- filter2 = wxString(wxT("*.")) + defaultExtension;
- else if ( filter )
- filter2 = filter;
-
- wxString defaultDirString;
- if (defaultDir)
- defaultDirString = defaultDir;
-
- wxString defaultFilenameString;
- if (defaultFileName)
- defaultFilenameString = defaultFileName;
-
- wxFileDialog fileDialog(parent, title, defaultDirString,
- defaultFilenameString, filter2,
- flags, wxPoint(x, y));
- if( wxStrlen(defaultExtension) != 0 )
+#if wxUSE_DYNLIB_CLASS
+ if (gs_changedPolicy)
{
- int filterFind = 1,
- filterIndex = 0;
+ gs_changedPolicy = false;
+ (void) gs_pfnSetProcessUserModeExceptionPolicy(gs_oldExceptionPolicyFlags);
+ }
+#endif // wxUSE_DYNLIB_CLASS
+}
- for( unsigned int i = 0; i < filter2.Len(); i++ )
- {
- if( filter2.GetChar(i) == wxT('|') )
+} // 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:
{
- // save the start index of the new filter
- unsigned int is = i++;
- filterIndex++;
+ OPENFILENAME* ofn = reinterpret_cast<OPENFILENAME *>(lParam);
+ reinterpret_cast<wxFileDialog *>(ofn->lCustData)
+ ->MSWOnInitDialogHook((WXHWND)hDlg);
+ }
+ break;
+#endif // __WXWINCE__
- // find the end of the filter
- for( ; i < filter2.Len(); i++ )
+ case WM_NOTIFY:
+ {
+ OFNOTIFY* const
+ pNotifyCode = reinterpret_cast<OFNOTIFY *>(lParam);
+ wxFileDialog* const
+ dialog = reinterpret_cast<wxFileDialog *>(
+ pNotifyCode->lpOFN->lCustData
+ );
+
+ switch ( pNotifyCode->hdr.code )
{
- if(filter2[i] == wxT('|'))
+ case CDN_INITDONE:
+ dialog->MSWOnInitDone((WXHWND)hDlg);
break;
- }
- if( i-is-1 > 0 && is+1 < filter2.Len() )
- {
- if( filter2.Mid(is+1,i-is-1).Contains(defaultExtension) )
-// if( filter2.Mid(is+1,i-is-1) == defaultExtension )
- {
- filterFind = filterIndex;
+ case CDN_SELCHANGE:
+ dialog->MSWOnSelChange((WXHWND)hDlg);
break;
- }
}
}
- }
-
- fileDialog.SetFilterIndex(filterFind);
+ 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;
}
- if ( fileDialog.ShowModal() == wxID_OK )
+ // do the default processing
+ return 0;
+}
+
+// ----------------------------------------------------------------------------
+// wxFileDialog
+// ----------------------------------------------------------------------------
+
+wxFileDialog::wxFileDialog(wxWindow *parent,
+ const wxString& message,
+ const wxString& defaultDir,
+ const wxString& defaultFileName,
+ const wxString& wildCard,
+ long style,
+ const wxPoint& pos,
+ const wxSize& sz,
+ const wxString& name)
+ : wxFileDialogBase(parent, message, defaultDir, defaultFileName,
+ wildCard, style, pos, sz, name)
+
+{
+ // 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
+{
+ paths.Empty();
+
+ wxString dir(m_dir);
+ if ( m_dir.empty() || m_dir.Last() != wxT('\\') )
+ dir += wxT('\\');
+
+ size_t count = m_fileNames.GetCount();
+ for ( size_t n = 0; n < count; n++ )
{
- wxStrcpy(wxBuffer, (const wxChar *)fileDialog.GetPath());
- return wxBuffer;
+ if (wxFileName(m_fileNames[n]).IsAbsolute())
+ paths.Add(m_fileNames[n]);
+ else
+ paths.Add(dir + m_fileNames[n]);
}
- else
- return wxGetEmptyString();
}
-# if __BORLANDC__
-# include <dir.h> // for MAXPATH etc. ( Borland 3.1 )
-# endif
+void wxFileDialog::GetFilenames(wxArrayString& files) const
+{
+ files = m_fileNames;
+}
-# ifndef MAXPATH
-# define MAXPATH 400
-# endif
+void wxFileDialog::DoGetPosition(int *x, int *y) const
+{
+ if ( x )
+ *x = gs_rectDialog.x;
+ if ( y )
+ *y = gs_rectDialog.y;
+}
-# ifndef MAXDRIVE
-# define MAXDRIVE 3
-# endif
+void wxFileDialog::DoGetSize(int *width, int *height) const
+{
+ if ( width )
+ *width = gs_rectDialog.width;
+ if ( height )
+ *height = gs_rectDialog.height;
+}
-# ifndef MAXFILE
-# define MAXFILE 9
-# endif
+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;
-# ifndef MAXEXT
-# define MAXEXT 5
-# endif
+ // if Centre() had been called before, it shouldn't be taken into
+ // account now
+ m_centreDir = 0;
+ }
+}
+void wxFileDialog::DoCentre(int dir)
+{
+ m_centreDir = dir;
+ m_bMovedWindow = true;
-wxString wxFileSelectorEx(const wxChar *title,
- const wxChar *defaultDir,
- const wxChar *defaultFileName,
- int* defaultFilterIndex,
- const wxChar *filter,
- int flags,
- wxWindow* parent,
- int x,
- int y)
+ // it's unnecessary to do anything else at this stage as we'll redo it in
+ // MSWOnInitDone() anyhow
+}
+void wxFileDialog::MSWOnInitDone(WXHWND hDlg)
{
- wxFileDialog fileDialog(parent, title ? title : wxT(""), defaultDir ? defaultDir : wxT(""),
- defaultFileName ? defaultFileName : wxT(""), filter ? filter : wxT(""), flags, wxPoint(x, y));
+ // 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 ( fileDialog.ShowModal() == wxID_OK )
+ if ( m_centreDir )
{
- *defaultFilterIndex = fileDialog.GetFilterIndex();
- wxStrcpy(wxBuffer, (const wxChar *)fileDialog.GetPath());
- return wxBuffer;
+ // 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<LPARAM>(buf));
+
+ if ( len > 0 )
+ m_currentlySelectedFilename = buf;
else
- return wxGetEmptyString();
+ m_currentlySelectedFilename.clear();
+
+ if ( m_extraControl )
+ m_extraControl->UpdateWindowUI(wxUPDATE_UI_RECURSE);
}
-wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
- const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
- long style, const wxPoint& pos)
+// 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)
{
- m_message = message;
- m_dialogStyle = style;
- if ( ( m_dialogStyle & wxMULTIPLE ) && ( m_dialogStyle & wxSAVE ) )
- m_dialogStyle &= ~wxMULTIPLE;
- m_parent = parent;
- m_path = wxT("");
- m_fileName = defaultFileName;
- m_dir = defaultDir;
- m_wildCard = wildCard;
- m_filterIndex = 1;
+ 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;
}
-void wxFileDialog::GetPaths(wxArrayString& paths) const
+// 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)
{
- paths.Empty();
+ 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;
- wxString dir(m_dir);
- if ( m_dir.Last() != _T('\\') )
- dir += _T('\\');
+ success = DoShowCommFileDialog(of, style, &errCode);
- size_t count = m_fileNames.GetCount();
- for ( size_t n = 0; n < count; n++ )
+ 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] )
{
- paths.Add(dir + m_fileNames[n]);
+ // 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())
+ hWnd = (HWND) wxTheApp->GetTopWindow()->GetHWND();
- static wxChar fileNameBuffer [ MAXPATH ]; // the file-name
- wxChar titleBuffer [ MAXFILE+1+MAXEXT ]; // the file-name, without path
+ static wxChar fileNameBuffer [ wxMAXPATH ]; // the file-name
+ wxChar titleBuffer [ wxMAXFILE+1+wxMAXEXT ]; // the file-name, without path
*fileNameBuffer = wxT('\0');
*titleBuffer = wxT('\0');
- long msw_flags = 0;
- if ( (m_dialogStyle & wxHIDE_READONLY) || (m_dialogStyle & wxSAVE) )
- msw_flags |= OFN_HIDEREADONLY;
- if ( m_dialogStyle & wxFILE_MUST_EXIST )
+ long msw_flags = OFN_HIDEREADONLY;
+
+ if ( HasFdFlag(wxFD_FILE_MUST_EXIST) )
msw_flags |= OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
- if (m_dialogStyle & wxMULTIPLE )
- msw_flags |=
-#if defined(OFN_EXPLORER)
- OFN_EXPLORER |
-#endif // OFN_EXPLORER
- OFN_ALLOWMULTISELECT;
+ /*
+ 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
+ }
- OPENFILENAME of;
- memset(&of, 0, sizeof(OPENFILENAME));
+ wxON_BLOCK_EXIT0(RestoreExceptionPolicy);
- of.lpstrCustomFilter = NULL; // system should not save custom filter
- of.nMaxCustFilter = 0L;
+ if ( HasFdFlag(wxFD_MULTIPLE) )
+ {
+ // OFN_EXPLORER must always be specified with OFN_ALLOWMULTISELECT
+ msw_flags |= OFN_EXPLORER | OFN_ALLOWMULTISELECT;
+ }
- of.nFileOffset = 0; // 0-based pointer to filname in lpstFile
- of.nFileExtension = 0; // 0-based pointer to extension in lpstrFile
- of.lpstrDefExt = NULL; // no default extension
+ // 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;
+ }
- of.lStructSize = sizeof(OPENFILENAME);
- of.hwndOwner = hWnd;
- of.lpstrTitle = WXSTRINGCAST m_message;
+ if ( HasFdFlag(wxFD_OVERWRITE_PROMPT) )
+ {
+ msw_flags |= OFN_OVERWRITEPROMPT;
+ }
+ wxOPENFILENAME of;
+ wxZeroMemory(of);
+ of.lStructSize = gs_ofStructSize;
+ of.hwndOwner = hWnd;
+ of.lpstrTitle = m_message.t_str();
of.lpstrFileTitle = titleBuffer;
- of.nMaxFileTitle = MAXFILE + 1 + MAXEXT; // Windows 3.0 and 3.1
+ of.nMaxFileTitle = wxMAXFILE + 1 + wxMAXEXT;
- // Convert forward slashes to backslashes (file selector doesn't like
- // forward slashes)
- size_t i = 0;
- size_t len = m_dir.Length();
- for (i = 0; i < len; i++)
- if (m_dir[i] == wxT('/'))
- m_dir[i] = wxT('\\');
+#ifndef __WXWINCE__
+ GlobalPtr hgbl;
+ if ( HasExtraControlCreator() )
+ {
+ msw_flags |= OFN_ENABLETEMPLATEHANDLE;
- of.lpstrInitialDir = m_dir.c_str();
+ hgbl.Init(256, GMEM_ZEROINIT);
+ GlobalPtrLock hgblLock(hgbl);
+ LPDLGTEMPLATE lpdt = static_cast<LPDLGTEMPLATE>(hgblLock.Get());
- of.Flags = msw_flags;
+ // Define a dialog box.
+ lpdt->style = DS_CONTROL | WS_CHILD | WS_CLIPSIBLINGS;
+ lpdt->cdit = 0; // Number of controls
+ lpdt->x = 0;
+ lpdt->y = 0;
- //=== 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.
+ // 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));
- eg. "description1 (*.ex1)|*.ex1|description2 (*.ex2)|*.ex2"
+ // after the DLGTEMPLATE there are 3 additional WORDs for dialog menu,
+ // class and title, all three set to zeros.
- If you put a single wild card, it works as before the modification.
- */
- //=======================================================================
+ of.hInstance = (HINSTANCE)lpdt;
+ }
+#endif // __WXWINCE__
- wxString theFilter;
- if ( wxStrlen(m_wildCard) == 0 )
- theFilter = wxString(wxT("*.*"));
- else
- theFilter = m_wildCard ;
- wxString filterBuffer;
+ // 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();
+ dir.reserve(len);
+ for ( i = 0; i < len; i++ )
+ {
+ wxChar ch = m_dir[i];
+ switch ( ch )
+ {
+ case wxT('/'):
+ // convert to backslash
+ ch = wxT('\\');
- if ( !wxStrchr( theFilter, wxT('|') ) ) { // only one filter ==> default text
- filterBuffer.Printf(_("Files (%s)|%s"),
- theFilter.c_str(), theFilter.c_str());
+ // fall through
+
+ case wxT('\\'):
+ while ( i < len - 1 )
+ {
+ wxChar chNext = m_dir[i + 1];
+ 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;
+ }
+ // fall through
+
+ default:
+ // normal char
+ dir += ch;
+ }
}
- else { // more then one filter
- filterBuffer = theFilter;
+ of.lpstrInitialDir = dir.c_str();
+
+ of.Flags = msw_flags;
+ of.lpfnHook = wxFileDialogHookFunction;
+ of.lCustData = (LPARAM)this;
+
+ wxArrayString wildDescriptions, wildFilters;
+
+ size_t items = wxParseCommonDialogsFilter(m_wildCard, wildDescriptions, wildFilters);
+
+ wxASSERT_MSG( items > 0 , wxT("empty wildcard list") );
+
+ wxString filterBuffer;
+
+ 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.nFilterIndex = m_filterIndex;
+ of.lpstrFilter = filterBuffer.t_str();
+ of.nFilterIndex = m_filterIndex + 1;
//=== Setting defaultFileName >>=========================================
- wxStrncpy( fileNameBuffer, (const wxChar *)m_fileName, MAXPATH-1 );
- fileNameBuffer[ MAXPATH-1 ] = wxT('\0');
+ wxStrlcpy(fileNameBuffer, m_fileName.c_str(), WXSIZEOF(fileNameBuffer));
of.lpstrFile = fileNameBuffer; // holds returned filename
- of.nMaxFile = MAXPATH;
+ of.nMaxFile = wxMAXPATH;
+
+ // 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))
+ {
+ const wxChar* extension = filterBuffer.t_str();
+ int maxFilter = (int)(of.nFilterIndex*2L) - 1;
+
+ for( int i = 0; i < maxFilter; i++ ) // get extension
+ extension = extension + wxStrlen( extension ) + 1;
+
+ // use dummy name a to avoid assert in AppendExtension
+ defextBuffer = AppendExtension(wxT("a"), extension);
+ if (defextBuffer.StartsWith(wxT("a.")))
+ {
+ defextBuffer = defextBuffer.Mid(2); // remove "a."
+ of.lpstrDefExt = defextBuffer.c_str();
+ }
+ }
+
+ // store off before the standard windows dialog can possibly change it
+ const wxString cwdOrig = wxGetCwd();
//== Execute FileDialog >>=================================================
- bool success = (m_dialogStyle & wxSAVE) ? (GetSaveFileName(&of) != 0)
- : (GetOpenFileName(&of) != 0);
+ if ( !ShowCommFileDialog(&of, m_windowStyle) )
+ return wxID_CANCEL;
- 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
+ // 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;
-
- while (fileNameBuffer[i] != wxT('\0'))
- {
- m_fileNames.Add(&fileNameBuffer[i]);
- i += wxStrlen(&fileNameBuffer[i]) + 1;
- }
-#else
- wxStringTokenizer toke(fileNameBuffer, " \t\r\n");
- m_dir = toke.GetNextToken();
- m_fileName = toke.GetNextToken();
- m_fileNames.Add(m_fileName);
+ m_dir = fileNameBuffer;
+ i = of.nFileOffset;
+ m_fileName = &fileNameBuffer[i];
+ m_fileNames.Add(m_fileName);
+ i += m_fileName.length() + 1;
- while (toke.HasMoreTokens())
- m_fileNames.Add(toke.GetNextToken());
-#endif // OFN_EXPLORER
-
- wxString dir(m_dir);
- if ( m_dir.Last() != _T('\\') )
- dir += _T('\\');
-
- m_fileNames.Sort();
- m_path = dir + m_fileName;
- }
- else
+ while (fileNameBuffer[i] != wxT('\0'))
{
- const wxChar* extension = NULL;
-
- //=== Adding the correct extension >>=================================
-
- m_filterIndex = (int)of.nFilterIndex;
-
- if ( of.nFileExtension && fileNameBuffer[ of.nFileExtension-1] != wxT('.') )
- { // user has typed an filename
- // without an extension:
-
- int maxFilter = (int)(of.nFilterIndex*2L-1L);
- extension = filterBuffer;
-
- for( int i = 0; i < maxFilter; i++ ) { // get extension
- extension = extension + wxStrlen( extension ) +1;
- }
-
- extension = wxStrrchr( extension, wxT('.') );
- if ( extension // != "blabla"
- && !wxStrrchr( extension, wxT('*') ) // != "blabla.*"
- && !wxStrrchr( extension, wxT('?') ) // != "blabla.?"
- && extension[1] // != "blabla."
- && extension[1] != wxT(' ') ) // != "blabla. "
- {
- // now concat extension to the fileName:
- m_fileName = wxString(fileNameBuffer) + extension;
-
- int len = wxStrlen( fileNameBuffer );
- wxStrncpy( fileNameBuffer + len, extension, MAXPATH - len );
- fileNameBuffer[ MAXPATH -1 ] = wxT('\0');
- }
- }
-
- m_path = fileNameBuffer;
- m_fileName = wxFileNameFromPath(fileNameBuffer);
- m_fileNames.Add(m_fileName);
- m_dir = wxPathOnly(fileNameBuffer);
+ m_fileNames.Add(&fileNameBuffer[i]);
+ i += wxStrlen(&fileNameBuffer[i]) + 1;
}
+#else
+ 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());
+#endif // OFN_EXPLORER
- //=== Simulating the wxOVERWRITE_PROMPT >>============================
-
- if ( (m_dialogStyle & wxOVERWRITE_PROMPT) &&
- ::wxFileExists( fileNameBuffer ) )
- {
- wxString messageText;
- messageText.Printf(_("Replace file '%s'?"), fileNameBuffer);
-
- if ( wxMessageBox(messageText, m_message, wxYES_NO ) != wxYES )
- {
- success = FALSE;
- }
- }
+ wxString dir(m_dir);
+ if ( m_dir.Last() != wxT('\\') )
+ dir += wxT('\\');
+ m_path = dir + m_fileName;
+ m_filterIndex = (int)of.nFilterIndex - 1;
}
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);
- }
- //else: it was just cancelled
-#endif
- }
+ //=== Adding the correct extension >>=================================
- return success ? wxID_OK : wxID_CANCEL;
+ m_filterIndex = (int)of.nFilterIndex - 1;
-}
-
-// Generic file load/save dialog (for internal use only)
-static
-wxString wxDefaultFileSelector(bool load,
- const wxChar *what,
- const wxChar *extension,
- const wxChar *default_name,
- wxWindow *parent)
-{
- wxString prompt;
- wxString str;
- if (load) str = _("Load %s file");
- else str = _("Save %s file");
- prompt.Printf(str, what);
+ 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;
- const wxChar *ext = extension;
- if (*ext == wxT('.'))
- ext++;
+ for( int i = 0; i < maxFilter; i++ ) // get extension
+ extension = extension + wxStrlen( extension ) + 1;
- wxString wild;
- wild.Printf(wxT("*.%s"), ext);
+ m_fileName = AppendExtension(fileNameBuffer, extension);
+ wxStrlcpy(fileNameBuffer, m_fileName.c_str(), WXSIZEOF(fileNameBuffer));
+ }
- return wxFileSelector (prompt, NULL, default_name, ext, wild, 0, parent);
-}
+ m_path = fileNameBuffer;
+ m_fileName = wxFileNameFromPath(fileNameBuffer);
+ m_fileNames.Add(m_fileName);
+ m_dir = wxPathOnly(fileNameBuffer);
+ }
-// Generic file load dialog
-WXDLLEXPORT wxString wxLoadFileSelector(const wxChar *what,
- const wxChar *extension,
- const wxChar *default_name,
- wxWindow *parent)
-{
- return wxDefaultFileSelector(TRUE, what, extension, default_name, parent);
-}
+ return wxID_OK;
-// Generic file save dialog
-WXDLLEXPORT wxString wxSaveFileSelector(const wxChar *what,
- const wxChar *extension,
- const wxChar *default_name,
- wxWindow *parent)
-{
- return wxDefaultFileSelector(FALSE, what, extension, default_name, parent);
}
-
+#endif // wxUSE_FILEDLG && !(__SMARTPHONE__ && __WXWINCE__)
projects / wxWidgets.git / blobdiff