]> git.saurik.com Git - wxWidgets.git/blobdiff - src/palmos/mslu.cpp
Committed William Osborne's wxPalmOS port
[wxWidgets.git] / src / palmos / mslu.cpp
diff --git a/src/palmos/mslu.cpp b/src/palmos/mslu.cpp
new file mode 100644 (file)
index 0000000..673c0d5
--- /dev/null
@@ -0,0 +1,211 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        msw/mslu.cpp
+// Purpose:     Fixes for bugs in MSLU
+// Author:      Vaclav Slavik
+// Modified by:
+// Created:     2002/02/17
+// RCS-ID:      $Id$
+// Copyright:   (c) 2002 Vaclav Slavik
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+#pragma implementation
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+// This may or may not apply to Palm OS in the future, but for right now Unicode 
+// is not supported.
+#ifndef __PALMOS__
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#include <dir.h>
+#endif
+
+#ifndef WX_PRECOMP
+    #include "wx/defs.h"
+#endif
+
+#if wxUSE_UNICODE_MSLU
+
+//------------------------------------------------------------------------
+//
+// NB: MSLU only covers Win32 API, it doesn't provide Unicode implementation of
+//     libc functions. Unfortunately, some of MSVCRT wchar_t functions
+//     (e.g. _wopen) don't work on Windows 9x, so we have to workaround it
+//     by calling the char version. We still want to use wchar_t version on
+//     NT/2000/XP, though, because they allow for Unicode file names.
+//
+//     Moreover, there are bugs in unicows.dll, of course. We have to
+//     workaround them, too.
+//
+//------------------------------------------------------------------------
+
+#include "wx/msw/private.h"
+#include "wx/msw/mslu.h"
+
+#include <stdio.h>
+#include <io.h>
+#include <sys/stat.h>
+
+#ifdef __VISUALC__
+    #include <direct.h>
+#endif
+
+// Undef redirection macros defined in wx/msw/mslu.h:
+#undef DrawStateW
+#undef GetOpenFileNameW
+#undef GetSaveFileNameW
+
+//------------------------------------------------------------------------
+// Wrongly implemented functions from unicows.dll
+//------------------------------------------------------------------------
+
+#if wxUSE_GUI
+
+WXDLLEXPORT int  wxMSLU_DrawStateW(WXHDC dc, WXHBRUSH br, WXFARPROC outputFunc,
+                                   WXLPARAM lData, WXWPARAM wData,
+                                   int x, int y, int cx, int cy,
+                                   unsigned int flags)
+{
+    // VS: There's yet another bug in MSLU: DrawStateW behaves like if it was
+    //     expecting char*, not wchar_t* input. We have to use DrawStateA
+    //     explicitly.
+
+    if ( wxUsingUnicowsDll() )
+    {
+        return DrawStateA((HDC)dc, (HBRUSH)br, (DRAWSTATEPROC)outputFunc,
+                          (LPARAM)(const char*)
+                                wxConvLocal.cWX2MB((const wxChar*)lData),
+                          wData, x, y, cx, cy, flags);
+    }
+    else
+    {
+        return DrawStateW((HDC)dc, (HBRUSH)br, (DRAWSTATEPROC)outputFunc,
+                          lData, wData, x, y, cx, cy, flags);
+    }
+}
+
+static void wxFixOPENFILENAME(LPOPENFILENAME ofn)
+{
+#ifdef OFN_EXPLORER
+    // VS: there's a bug in unicows.dll - when multiple files are selected,
+    //     of.nFileOffset doesn't point to the first filename but rather to
+    //     the last component of directory name. This bug is known to MSLU
+    //     developers, but they are not going to fix it: "this is a true
+    //     limitation, that we have decided to live with" and "working
+    //     harder on this case just did not seem worth the effort"...
+    //
+    //     Our only option is to try to fix it ourselves:
+
+    if ( (ofn->Flags & OFN_ALLOWMULTISELECT) &&
+         ofn->lpstrFile[ofn->nFileOffset-1] != wxT('\0') )
+    {
+        if ( wxDirExists(ofn->lpstrFile) )
+        {
+            // 1st component is dir => multiple files selected
+            ofn->nFileOffset = wxStrlen(ofn->lpstrFile)+1;
+        }
+    }
+#endif
+}
+
+WXDLLEXPORT int wxMSLU_GetOpenFileNameW(void *ofn)
+{
+    int ret = GetOpenFileName((LPOPENFILENAME)ofn);
+    if ( wxUsingUnicowsDll() && ret != 0 )
+        wxFixOPENFILENAME((LPOPENFILENAME)ofn);
+    return ret;
+}
+
+WXDLLEXPORT int wxMSLU_GetSaveFileNameW(void *ofn)
+{
+    int ret = GetSaveFileName((LPOPENFILENAME)ofn);
+    if ( wxUsingUnicowsDll() && ret != 0 )
+        wxFixOPENFILENAME((LPOPENFILENAME)ofn);
+    return ret;
+}
+
+#endif // wxUSE_GUI
+
+//------------------------------------------------------------------------
+// Missing libc file manipulation functions in Win9x
+//------------------------------------------------------------------------
+
+#if wxUSE_BASE
+
+WXDLLEXPORT int wxMSLU__trename(const wxChar *oldname, const wxChar *newname)
+{
+    if ( wxUsingUnicowsDll() )
+        return rename(wxConvFile.cWX2MB(oldname), wxConvFile.cWX2MB(newname));
+    else
+        return _trename(oldname, newname);
+}
+
+WXDLLEXPORT int wxMSLU__tremove(const wxChar *name)
+{
+    if ( wxUsingUnicowsDll() )
+        return remove(wxConvFile.cWX2MB(name));
+    else
+        return _tremove(name);
+}
+
+#if defined( __VISUALC__ ) \
+    || ( defined(__MINGW32__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \
+    || ( defined(__MWERKS__) && defined(__WXMSW__) ) \
+    || ( defined(__BORLANDC__) && (__BORLANDC__ > 0x460) )
+
+WXDLLEXPORT int wxMSLU__wopen(const wxChar *name, int flags, int mode)
+{
+    if ( wxUsingUnicowsDll() )
+#ifdef __BORLANDC__
+        return open(wxConvFile.cWX2MB(name), flags, mode);
+#else
+        return _open(wxConvFile.cWX2MB(name), flags, mode);
+#endif
+    else
+        return _wopen(name, flags, mode);
+}
+
+WXDLLEXPORT int wxMSLU__waccess(const wxChar *name, int mode)
+{
+    if ( wxUsingUnicowsDll() )
+        return _access(wxConvFile.cWX2MB(name), mode);
+    else
+        return _waccess(name, mode);
+}
+
+WXDLLEXPORT int wxMSLU__wmkdir(const wxChar *name)
+{
+    if ( wxUsingUnicowsDll() )
+        return _mkdir(wxConvFile.cWX2MB(name));
+    else
+        return _wmkdir(name);
+}
+
+WXDLLEXPORT int wxMSLU__wrmdir(const wxChar *name)
+{
+    if ( wxUsingUnicowsDll() )
+        return _rmdir(wxConvFile.cWX2MB(name));
+    else
+        return _wrmdir(name);
+}
+
+WXDLLEXPORT int wxMSLU__wstat(const wxChar *name, struct _stat *buffer)
+{
+    if ( wxUsingUnicowsDll() )
+        return _stat((const char*)wxConvFile.cWX2MB(name), buffer);
+    else
+        return _wstat(name, buffer);
+}
+
+#endif // compilers having wopen() &c
+
+#endif // wxUSE_BASE
+
+#endif // wxUSE_UNICODE_MSLU
+
+#endif // __PALMOS__