| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/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 | // For compilers that support precompilation, includes "wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #ifdef __BORLANDC__ |
| 16 | #pragma hdrstop |
| 17 | #include <dir.h> |
| 18 | #endif |
| 19 | |
| 20 | #ifndef WX_PRECOMP |
| 21 | #include "wx/utils.h" |
| 22 | #endif |
| 23 | |
| 24 | #define wxHAS_HUGE_FILES |
| 25 | |
| 26 | //------------------------------------------------------------------------ |
| 27 | // Check for use of MSLU |
| 28 | //------------------------------------------------------------------------ |
| 29 | |
| 30 | #if wxUSE_BASE |
| 31 | |
| 32 | bool WXDLLIMPEXP_BASE wxUsingUnicowsDll() |
| 33 | { |
| 34 | #if wxUSE_UNICODE_MSLU |
| 35 | return (wxGetOsVersion() == wxOS_WINDOWS_9X); |
| 36 | #else |
| 37 | return false; |
| 38 | #endif |
| 39 | } |
| 40 | |
| 41 | #endif // wxUSE_BASE |
| 42 | |
| 43 | |
| 44 | #if wxUSE_UNICODE_MSLU |
| 45 | |
| 46 | //------------------------------------------------------------------------ |
| 47 | // |
| 48 | // NB: MSLU only covers Win32 API, it doesn't provide Unicode implementation of |
| 49 | // libc functions. Unfortunately, some of MSVCRT wchar_t functions |
| 50 | // (e.g. _wopen) don't work on Windows 9x, so we have to workaround it |
| 51 | // by calling the char version. We still want to use wchar_t version on |
| 52 | // NT/2000/XP, though, because they allow for Unicode file names. |
| 53 | // |
| 54 | // Moreover, there are bugs in unicows.dll, of course. We have to |
| 55 | // workaround them, too. |
| 56 | // |
| 57 | //------------------------------------------------------------------------ |
| 58 | |
| 59 | #include "wx/msw/private.h" |
| 60 | #include "wx/msw/mslu.h" |
| 61 | |
| 62 | #include <stdio.h> |
| 63 | #include <io.h> |
| 64 | #include <sys/stat.h> |
| 65 | |
| 66 | #ifdef __VISUALC__ |
| 67 | #include <direct.h> |
| 68 | #endif |
| 69 | |
| 70 | // Undef redirection macros defined in wx/msw/wrapwin.h: |
| 71 | #undef DrawStateW |
| 72 | #undef GetOpenFileNameW |
| 73 | #undef GetSaveFileNameW |
| 74 | |
| 75 | //------------------------------------------------------------------------ |
| 76 | // Wrongly implemented functions from unicows.dll |
| 77 | //------------------------------------------------------------------------ |
| 78 | |
| 79 | #if wxUSE_GUI |
| 80 | |
| 81 | WXDLLEXPORT int wxMSLU_DrawStateW(WXHDC dc, WXHBRUSH br, WXFARPROC outputFunc, |
| 82 | WXLPARAM lData, WXWPARAM wData, |
| 83 | int x, int y, int cx, int cy, |
| 84 | unsigned int flags) |
| 85 | { |
| 86 | // VS: There's yet another bug in MSLU: DrawStateW behaves like if it was |
| 87 | // expecting char*, not wchar_t* input. We have to use DrawStateA |
| 88 | // explicitly. |
| 89 | |
| 90 | if ( wxUsingUnicowsDll() ) |
| 91 | { |
| 92 | return DrawStateA((HDC)dc, (HBRUSH)br, (DRAWSTATEPROC)outputFunc, |
| 93 | (LPARAM)(const char*) |
| 94 | wxConvLocal.cWX2MB((const wxChar*)lData), |
| 95 | wData, x, y, cx, cy, flags); |
| 96 | } |
| 97 | else |
| 98 | { |
| 99 | return DrawStateW((HDC)dc, (HBRUSH)br, (DRAWSTATEPROC)outputFunc, |
| 100 | lData, wData, x, y, cx, cy, flags); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | static void wxFixOPENFILENAME(LPOPENFILENAME ofn) |
| 105 | { |
| 106 | #ifdef OFN_EXPLORER |
| 107 | // VS: there's a bug in unicows.dll - when multiple files are selected, |
| 108 | // of.nFileOffset doesn't point to the first filename but rather to |
| 109 | // the last component of directory name. This bug is known to MSLU |
| 110 | // developers, but they are not going to fix it: "this is a true |
| 111 | // limitation, that we have decided to live with" and "working |
| 112 | // harder on this case just did not seem worth the effort"... |
| 113 | // |
| 114 | // Our only option is to try to fix it ourselves: |
| 115 | |
| 116 | if ( (ofn->Flags & OFN_ALLOWMULTISELECT) && |
| 117 | ofn->lpstrFile[ofn->nFileOffset-1] != wxT('\0') ) |
| 118 | { |
| 119 | if ( wxDirExists(ofn->lpstrFile) ) |
| 120 | { |
| 121 | // 1st component is dir => multiple files selected |
| 122 | ofn->nFileOffset = wxStrlen(ofn->lpstrFile)+1; |
| 123 | } |
| 124 | } |
| 125 | #endif // OFN_EXPLORER |
| 126 | } |
| 127 | |
| 128 | WXDLLEXPORT int wxMSLU_GetOpenFileNameW(void *ofn) |
| 129 | { |
| 130 | int ret = GetOpenFileName((LPOPENFILENAME)ofn); |
| 131 | if ( wxUsingUnicowsDll() && ret != 0 ) |
| 132 | wxFixOPENFILENAME((LPOPENFILENAME)ofn); |
| 133 | return ret; |
| 134 | } |
| 135 | |
| 136 | WXDLLEXPORT int wxMSLU_GetSaveFileNameW(void *ofn) |
| 137 | { |
| 138 | int ret = GetSaveFileName((LPOPENFILENAME)ofn); |
| 139 | if ( wxUsingUnicowsDll() && ret != 0 ) |
| 140 | wxFixOPENFILENAME((LPOPENFILENAME)ofn); |
| 141 | return ret; |
| 142 | } |
| 143 | |
| 144 | #endif // wxUSE_GUI |
| 145 | |
| 146 | //------------------------------------------------------------------------ |
| 147 | // Missing libc file manipulation functions in Win9x |
| 148 | //------------------------------------------------------------------------ |
| 149 | |
| 150 | #if wxUSE_BASE |
| 151 | |
| 152 | WXDLLIMPEXP_BASE int wxMSLU__wrename(const wchar_t *oldname, |
| 153 | const wchar_t *newname) |
| 154 | { |
| 155 | if ( wxUsingUnicowsDll() ) |
| 156 | return rename(wxConvFile.cWX2MB(oldname), wxConvFile.cWX2MB(newname)); |
| 157 | else |
| 158 | return _wrename(oldname, newname); |
| 159 | } |
| 160 | |
| 161 | WXDLLIMPEXP_BASE int wxMSLU__wremove(const wchar_t *name) |
| 162 | { |
| 163 | if ( wxUsingUnicowsDll() ) |
| 164 | return remove(wxConvFile.cWX2MB(name)); |
| 165 | else |
| 166 | return _wremove(name); |
| 167 | } |
| 168 | |
| 169 | WXDLLIMPEXP_BASE FILE* wxMSLU__wfopen(const wchar_t *name,const wchar_t* mode) |
| 170 | { |
| 171 | if ( wxUsingUnicowsDll() ) |
| 172 | return fopen(wxConvFile.cWX2MB(name),wxConvFile.cWX2MB(mode)); |
| 173 | else |
| 174 | return _wfopen(name,mode); |
| 175 | } |
| 176 | |
| 177 | WXDLLIMPEXP_BASE FILE* wxMSLU__wfreopen(const wchar_t *name, |
| 178 | const wchar_t* mode, |
| 179 | FILE *stream) |
| 180 | { |
| 181 | if ( wxUsingUnicowsDll() ) |
| 182 | return freopen(wxConvFile.cWX2MB(name), wxConvFile.cWX2MB(mode), stream); |
| 183 | else |
| 184 | return _wfreopen(name, mode, stream); |
| 185 | } |
| 186 | |
| 187 | WXDLLIMPEXP_BASE int wxMSLU__wopen(const wchar_t *name, int flags, int mode) |
| 188 | { |
| 189 | if ( wxUsingUnicowsDll() ) |
| 190 | return wxCRT_OpenA(wxConvFile.cWX2MB(name), flags, mode); |
| 191 | else |
| 192 | return wxCRT_OpenW(name, flags, mode); |
| 193 | } |
| 194 | |
| 195 | WXDLLIMPEXP_BASE int wxMSLU__waccess(const wchar_t *name, int mode) |
| 196 | { |
| 197 | if ( wxUsingUnicowsDll() ) |
| 198 | return wxCRT_AccessA(wxConvFile.cWX2MB(name), mode); |
| 199 | else |
| 200 | return wxCRT_AccessW(name, mode); |
| 201 | } |
| 202 | |
| 203 | WXDLLIMPEXP_BASE int wxMSLU__wmkdir(const wchar_t *name) |
| 204 | { |
| 205 | if ( wxUsingUnicowsDll() ) |
| 206 | return wxCRT_MkDirA(wxConvFile.cWX2MB(name)); |
| 207 | else |
| 208 | return wxCRT_MkDirW(name); |
| 209 | } |
| 210 | |
| 211 | WXDLLIMPEXP_BASE int wxMSLU__wrmdir(const wchar_t *name) |
| 212 | { |
| 213 | if ( wxUsingUnicowsDll() ) |
| 214 | return wxCRT_RmDirA(wxConvFile.cWX2MB(name)); |
| 215 | else |
| 216 | return wxCRT_RmDirW(name); |
| 217 | } |
| 218 | |
| 219 | WXDLLIMPEXP_BASE int wxMSLU__wstat(const wchar_t *name, wxStructStat *buffer) |
| 220 | { |
| 221 | if ( wxUsingUnicowsDll() ) |
| 222 | return wxCRT_StatA((const char*)wxConvFile.cWX2MB(name), buffer); |
| 223 | else |
| 224 | return wxCRT_StatW(name, buffer); |
| 225 | } |
| 226 | |
| 227 | #endif // wxUSE_BASE |
| 228 | |
| 229 | #endif // wxUSE_UNICODE_MSLU |