| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: msw/mslu.cpp |
| 3 | // Purpose: Fixes for bugs in MSLU |
| 4 | // Author: Vaclav Slavik |
| 5 | // Modified by: |
| 6 | // Created: 2002/02/17 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 2002 Vaclav Slavik |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | #pragma implementation |
| 14 | #endif |
| 15 | |
| 16 | // For compilers that support precompilation, includes "wx.h". |
| 17 | #include "wx/wxprec.h" |
| 18 | |
| 19 | #ifdef __BORLANDC__ |
| 20 | #pragma hdrstop |
| 21 | #endif |
| 22 | |
| 23 | #ifndef WX_PRECOMP |
| 24 | #include "wx/defs.h" |
| 25 | #endif |
| 26 | |
| 27 | #if wxUSE_UNICODE_MSLU |
| 28 | |
| 29 | //------------------------------------------------------------------------ |
| 30 | // |
| 31 | // NB: MSLU only covers Win32 API, it doesn't provide Unicode implementation of |
| 32 | // libc functions. Unfortunately, some of MSVCRT wchar_t functions |
| 33 | // (e.g. _wopen) don't work on Windows 9x, so we have to workaround it |
| 34 | // by calling the char version. We still want to use wchar_t version on |
| 35 | // NT/2000/XP, though, because they allow for Unicode file names. |
| 36 | // |
| 37 | // Moreover, there are bugs in unicows.dll, of course. We have to |
| 38 | // workaround them, too. |
| 39 | // |
| 40 | //------------------------------------------------------------------------ |
| 41 | |
| 42 | #include "wx/msw/private.h" |
| 43 | #include "wx/msw/mslu.h" |
| 44 | |
| 45 | #include <stdio.h> |
| 46 | #include <io.h> |
| 47 | #include <sys/stat.h> |
| 48 | |
| 49 | #ifdef __GNUWIN32__ |
| 50 | #include <wchar.h> |
| 51 | #endif |
| 52 | |
| 53 | #ifdef __VISUALC__ |
| 54 | #include <direct.h> |
| 55 | #endif |
| 56 | |
| 57 | // Undef redirection macros defined in wx/msw/mslu.h: |
| 58 | #undef DrawStateW |
| 59 | #undef GetOpenFileNameW |
| 60 | #undef GetSaveFileNameW |
| 61 | |
| 62 | //------------------------------------------------------------------------ |
| 63 | // Wrongly implemented functions from unicows.dll |
| 64 | //------------------------------------------------------------------------ |
| 65 | |
| 66 | #if wxUSE_GUI |
| 67 | |
| 68 | WXDLLEXPORT int wxMSLU_DrawStateW(WXHDC dc, WXHBRUSH br, WXFARPROC outputFunc, |
| 69 | WXLPARAM lData, WXWPARAM wData, |
| 70 | int x, int y, int cx, int cy, |
| 71 | unsigned int flags) |
| 72 | { |
| 73 | // VS: There's yet another bug in MSLU: DrawStateW behaves like if it was |
| 74 | // expecting char*, not wchar_t* input. We have to use DrawStateA |
| 75 | // explicitly. |
| 76 | |
| 77 | if ( wxUsingUnicowsDll() ) |
| 78 | { |
| 79 | return DrawStateA((HDC)dc, (HBRUSH)br, (DRAWSTATEPROC)outputFunc, |
| 80 | (LPARAM)(const char*) |
| 81 | wxConvLocal.cWX2MB((const wxChar*)lData), |
| 82 | wData, x, y, cx, cy, flags); |
| 83 | } |
| 84 | else |
| 85 | { |
| 86 | return DrawStateW((HDC)dc, (HBRUSH)br, (DRAWSTATEPROC)outputFunc, |
| 87 | lData, wData, x, y, cx, cy, flags); |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | static void wxFixOPENFILENAME(LPOPENFILENAME ofn) |
| 92 | { |
| 93 | #ifdef OFN_EXPLORER |
| 94 | // VS: there's a bug in unicows.dll - when multiple files are selected, |
| 95 | // of.nFileOffset doesn't point to the first filename but rather to |
| 96 | // the last component of directory name. This bug is known to MSLU |
| 97 | // developers, but they are not going to fix it: "this is a true |
| 98 | // limitation, that we have decided to live with" and "working |
| 99 | // harder on this case just did not seem worth the effort"... |
| 100 | // |
| 101 | // Our only option is to try to fix it ourselves: |
| 102 | |
| 103 | if ( (ofn->Flags & OFN_ALLOWMULTISELECT) && |
| 104 | ofn->lpstrFile[ofn->nFileOffset-1] != wxT('\0') ) |
| 105 | { |
| 106 | if ( wxDirExists(ofn->lpstrFile) ) |
| 107 | { |
| 108 | // 1st component is dir => multiple files selected |
| 109 | ofn->nFileOffset = wxStrlen(ofn->lpstrFile)+1; |
| 110 | } |
| 111 | } |
| 112 | #endif |
| 113 | } |
| 114 | |
| 115 | WXDLLEXPORT int wxMSLU_GetOpenFileNameW(void *ofn) |
| 116 | { |
| 117 | int ret = GetOpenFileName((LPOPENFILENAME)ofn); |
| 118 | if ( wxUsingUnicowsDll() && ret != 0 ) |
| 119 | wxFixOPENFILENAME((LPOPENFILENAME)ofn); |
| 120 | return ret; |
| 121 | } |
| 122 | |
| 123 | WXDLLEXPORT int wxMSLU_GetSaveFileNameW(void *ofn) |
| 124 | { |
| 125 | int ret = GetSaveFileName((LPOPENFILENAME)ofn); |
| 126 | if ( wxUsingUnicowsDll() && ret != 0 ) |
| 127 | wxFixOPENFILENAME((LPOPENFILENAME)ofn); |
| 128 | return ret; |
| 129 | } |
| 130 | |
| 131 | #endif // wxUSE_GUI |
| 132 | |
| 133 | //------------------------------------------------------------------------ |
| 134 | // Missing libc file manipulation functions in Win9x |
| 135 | //------------------------------------------------------------------------ |
| 136 | |
| 137 | WXDLLEXPORT int wxMSLU__trename(const wxChar *oldname, const wxChar *newname) |
| 138 | { |
| 139 | if ( wxUsingUnicowsDll() ) |
| 140 | return rename(wxConvFile.cWX2MB(oldname), wxConvFile.cWX2MB(newname)); |
| 141 | else |
| 142 | return _trename(oldname, newname); |
| 143 | } |
| 144 | |
| 145 | WXDLLEXPORT int wxMSLU__tremove(const wxChar *name) |
| 146 | { |
| 147 | if ( wxUsingUnicowsDll() ) |
| 148 | return remove(wxConvFile.cWX2MB(name)); |
| 149 | else |
| 150 | return _tremove(name); |
| 151 | } |
| 152 | |
| 153 | #if defined( __VISUALC__ ) \ |
| 154 | || ( defined(__MINGW32__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \ |
| 155 | || ( defined(__MWERKS__) && defined(__WXMSW__) ) |
| 156 | |
| 157 | WXDLLEXPORT int wxMSLU__wopen(const wxChar *name, int flags, int mode) |
| 158 | { |
| 159 | if ( wxUsingUnicowsDll() ) |
| 160 | return _open(wxConvFile.cWX2MB(name), flags, mode); |
| 161 | else |
| 162 | return _wopen(name, flags, mode); |
| 163 | } |
| 164 | |
| 165 | WXDLLEXPORT int wxMSLU__waccess(const wxChar *name, int mode) |
| 166 | { |
| 167 | if ( wxUsingUnicowsDll() ) |
| 168 | return _access(wxConvFile.cWX2MB(name), mode); |
| 169 | else |
| 170 | return _waccess(name, mode); |
| 171 | } |
| 172 | |
| 173 | WXDLLEXPORT int wxMSLU__wmkdir(const wxChar *name) |
| 174 | { |
| 175 | if ( wxUsingUnicowsDll() ) |
| 176 | return _mkdir(wxConvFile.cWX2MB(name)); |
| 177 | else |
| 178 | return _wmkdir(name); |
| 179 | } |
| 180 | |
| 181 | WXDLLEXPORT int wxMSLU__wrmdir(const wxChar *name) |
| 182 | { |
| 183 | if ( wxUsingUnicowsDll() ) |
| 184 | return _rmdir(wxConvFile.cWX2MB(name)); |
| 185 | else |
| 186 | return _wrmdir(name); |
| 187 | } |
| 188 | |
| 189 | WXDLLEXPORT int wxMSLU__wstat(const wxChar *name, struct _stat *buffer) |
| 190 | { |
| 191 | if ( wxUsingUnicowsDll() ) |
| 192 | return _stat((const char*)wxConvFile.cWX2MB(name), buffer); |
| 193 | else |
| 194 | return _wstat(name, buffer); |
| 195 | } |
| 196 | |
| 197 | #endif |
| 198 | |
| 199 | #endif // wxUSE_UNICODE_MSLU |