| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: filedlg.cpp |
| 3 | // Purpose: wxFileDialog |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 01/02/97 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart and Markus Holzem |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | #pragma implementation "filedlg.h" |
| 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/utils.h" |
| 25 | #include "wx/msgdlg.h" |
| 26 | #include "wx/dialog.h" |
| 27 | #include "wx/filedlg.h" |
| 28 | #include "wx/intl.h" |
| 29 | #include "wx/log.h" |
| 30 | |
| 31 | #include "wx/msw/private.h" |
| 32 | #endif |
| 33 | |
| 34 | #if !defined(__WIN32__) || defined(__SALFORDC__) || defined(__WXWINE__) |
| 35 | #include <commdlg.h> |
| 36 | #endif |
| 37 | |
| 38 | #include <math.h> |
| 39 | #include <stdlib.h> |
| 40 | #include <string.h> |
| 41 | |
| 42 | #include "wx/tokenzr.h" |
| 43 | |
| 44 | IMPLEMENT_CLASS(wxFileDialog, wxDialog) |
| 45 | |
| 46 | wxString wxFileSelector(const wxChar *title, |
| 47 | const wxChar *defaultDir, |
| 48 | const wxChar *defaultFileName, |
| 49 | const wxChar *defaultExtension, |
| 50 | const wxChar *filter, |
| 51 | int flags, |
| 52 | wxWindow *parent, |
| 53 | int x, int y) |
| 54 | { |
| 55 | // In the original implementation, defaultExtension is passed to the |
| 56 | // lpstrDefExt member of OPENFILENAME. This extension, if non-NULL, is |
| 57 | // appended to the filename if the user fails to type an extension. The new |
| 58 | // implementation (taken from wxFileSelectorEx) appends the extension |
| 59 | // automatically, by looking at the filter specification. In fact this |
| 60 | // should be better than the native Microsoft implementation because |
| 61 | // Windows only allows *one* default extension, whereas here we do the |
| 62 | // right thing depending on the filter the user has chosen. |
| 63 | |
| 64 | // If there's a default extension specified but no filter, we create a |
| 65 | // suitable filter. |
| 66 | |
| 67 | wxString filter2; |
| 68 | if ( defaultExtension && !filter ) |
| 69 | filter2 = wxString(wxT("*.")) + defaultExtension; |
| 70 | else if ( filter ) |
| 71 | filter2 = filter; |
| 72 | |
| 73 | wxString defaultDirString; |
| 74 | if (defaultDir) |
| 75 | defaultDirString = defaultDir; |
| 76 | |
| 77 | wxString defaultFilenameString; |
| 78 | if (defaultFileName) |
| 79 | defaultFilenameString = defaultFileName; |
| 80 | |
| 81 | wxFileDialog fileDialog(parent, title, defaultDirString, |
| 82 | defaultFilenameString, filter2, |
| 83 | flags, wxPoint(x, y)); |
| 84 | if( wxStrlen(defaultExtension) != 0 ) |
| 85 | { |
| 86 | int filterFind = 1, |
| 87 | filterIndex = 0; |
| 88 | |
| 89 | for( unsigned int i = 0; i < filter2.Len(); i++ ) |
| 90 | { |
| 91 | if( filter2.GetChar(i) == wxT('|') ) |
| 92 | { |
| 93 | // save the start index of the new filter |
| 94 | unsigned int is = i++; |
| 95 | filterIndex++; |
| 96 | |
| 97 | // find the end of the filter |
| 98 | for( ; i < filter2.Len(); i++ ) |
| 99 | { |
| 100 | if(filter2[i] == wxT('|')) |
| 101 | break; |
| 102 | } |
| 103 | |
| 104 | if( i-is-1 > 0 && is+1 < filter2.Len() ) |
| 105 | { |
| 106 | if( filter2.Mid(is+1,i-is-1).Contains(defaultExtension) ) |
| 107 | // if( filter2.Mid(is+1,i-is-1) == defaultExtension ) |
| 108 | { |
| 109 | filterFind = filterIndex; |
| 110 | break; |
| 111 | } |
| 112 | } |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | fileDialog.SetFilterIndex(filterFind); |
| 117 | } |
| 118 | |
| 119 | if ( fileDialog.ShowModal() == wxID_OK ) |
| 120 | { |
| 121 | wxStrcpy(wxBuffer, (const wxChar *)fileDialog.GetPath()); |
| 122 | return wxBuffer; |
| 123 | } |
| 124 | else |
| 125 | return wxGetEmptyString(); |
| 126 | } |
| 127 | |
| 128 | # if __BORLANDC__ |
| 129 | # include <dir.h> // for MAXPATH etc. ( Borland 3.1 ) |
| 130 | # endif |
| 131 | |
| 132 | # ifndef MAXPATH |
| 133 | # define MAXPATH 400 |
| 134 | # endif |
| 135 | |
| 136 | # ifndef MAXDRIVE |
| 137 | # define MAXDRIVE 3 |
| 138 | # endif |
| 139 | |
| 140 | # ifndef MAXFILE |
| 141 | # define MAXFILE 9 |
| 142 | # endif |
| 143 | |
| 144 | # ifndef MAXEXT |
| 145 | # define MAXEXT 5 |
| 146 | # endif |
| 147 | |
| 148 | |
| 149 | wxString wxFileSelectorEx(const wxChar *title, |
| 150 | const wxChar *defaultDir, |
| 151 | const wxChar *defaultFileName, |
| 152 | int* defaultFilterIndex, |
| 153 | const wxChar *filter, |
| 154 | int flags, |
| 155 | wxWindow* parent, |
| 156 | int x, |
| 157 | int y) |
| 158 | |
| 159 | { |
| 160 | wxFileDialog fileDialog(parent, title ? title : wxT(""), defaultDir ? defaultDir : wxT(""), |
| 161 | defaultFileName ? defaultFileName : wxT(""), filter ? filter : wxT(""), flags, wxPoint(x, y)); |
| 162 | |
| 163 | if ( fileDialog.ShowModal() == wxID_OK ) |
| 164 | { |
| 165 | *defaultFilterIndex = fileDialog.GetFilterIndex(); |
| 166 | wxStrcpy(wxBuffer, (const wxChar *)fileDialog.GetPath()); |
| 167 | return wxBuffer; |
| 168 | } |
| 169 | else |
| 170 | return wxGetEmptyString(); |
| 171 | } |
| 172 | |
| 173 | wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message, |
| 174 | const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard, |
| 175 | long style, const wxPoint& pos) |
| 176 | { |
| 177 | m_message = message; |
| 178 | m_dialogStyle = style; |
| 179 | if ( ( m_dialogStyle & wxMULTIPLE ) && ( m_dialogStyle & wxSAVE ) ) |
| 180 | m_dialogStyle &= ~wxMULTIPLE; |
| 181 | m_parent = parent; |
| 182 | m_path = wxT(""); |
| 183 | m_fileName = defaultFileName; |
| 184 | m_dir = defaultDir; |
| 185 | m_wildCard = wildCard; |
| 186 | m_filterIndex = 1; |
| 187 | } |
| 188 | |
| 189 | void wxFileDialog::GetPaths(wxArrayString& paths) const |
| 190 | { |
| 191 | paths.Empty(); |
| 192 | |
| 193 | wxString dir(m_dir); |
| 194 | if ( m_dir.Last() != _T('\\') ) |
| 195 | dir += _T('\\'); |
| 196 | |
| 197 | size_t count = m_fileNames.GetCount(); |
| 198 | for ( size_t n = 0; n < count; n++ ) |
| 199 | { |
| 200 | paths.Add(dir + m_fileNames[n]); |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | int wxFileDialog::ShowModal() |
| 205 | { |
| 206 | HWND hWnd = 0; |
| 207 | if (m_parent) hWnd = (HWND) m_parent->GetHWND(); |
| 208 | |
| 209 | static wxChar fileNameBuffer [ MAXPATH ]; // the file-name |
| 210 | wxChar titleBuffer [ MAXFILE+1+MAXEXT ]; // the file-name, without path |
| 211 | |
| 212 | *fileNameBuffer = wxT('\0'); |
| 213 | *titleBuffer = wxT('\0'); |
| 214 | |
| 215 | long msw_flags = 0; |
| 216 | if ( (m_dialogStyle & wxHIDE_READONLY) || (m_dialogStyle & wxSAVE) ) |
| 217 | msw_flags |= OFN_HIDEREADONLY; |
| 218 | if ( m_dialogStyle & wxFILE_MUST_EXIST ) |
| 219 | msw_flags |= OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST; |
| 220 | if (m_dialogStyle & wxMULTIPLE ) |
| 221 | msw_flags |= |
| 222 | #if defined(OFN_EXPLORER) |
| 223 | OFN_EXPLORER | |
| 224 | #endif // OFN_EXPLORER |
| 225 | OFN_ALLOWMULTISELECT; |
| 226 | |
| 227 | OPENFILENAME of; |
| 228 | memset(&of, 0, sizeof(OPENFILENAME)); |
| 229 | |
| 230 | of.lpstrCustomFilter = NULL; // system should not save custom filter |
| 231 | of.nMaxCustFilter = 0L; |
| 232 | |
| 233 | of.nFileOffset = 0; // 0-based pointer to filname in lpstFile |
| 234 | of.nFileExtension = 0; // 0-based pointer to extension in lpstrFile |
| 235 | of.lpstrDefExt = NULL; // no default extension |
| 236 | |
| 237 | of.lStructSize = sizeof(OPENFILENAME); |
| 238 | of.hwndOwner = hWnd; |
| 239 | of.lpstrTitle = WXSTRINGCAST m_message; |
| 240 | |
| 241 | |
| 242 | of.lpstrFileTitle = titleBuffer; |
| 243 | of.nMaxFileTitle = MAXFILE + 1 + MAXEXT; // Windows 3.0 and 3.1 |
| 244 | |
| 245 | // Convert forward slashes to backslashes (file selector doesn't like |
| 246 | // forward slashes) |
| 247 | size_t i = 0; |
| 248 | size_t len = m_dir.Length(); |
| 249 | for (i = 0; i < len; i++) |
| 250 | if (m_dir[i] == wxT('/')) |
| 251 | m_dir[i] = wxT('\\'); |
| 252 | |
| 253 | of.lpstrInitialDir = m_dir.c_str(); |
| 254 | |
| 255 | of.Flags = msw_flags; |
| 256 | |
| 257 | |
| 258 | //=== Like Alejandro Sierra's wildcard modification >>=================== |
| 259 | /* |
| 260 | In wxFileSelector you can put, instead of a single wild_card, |
| 261 | pairs of strings separated by '|'. |
| 262 | The first string is a description, and the |
| 263 | second is the wild card. You can put any number of pairs. |
| 264 | |
| 265 | eg. "description1 (*.ex1)|*.ex1|description2 (*.ex2)|*.ex2" |
| 266 | |
| 267 | If you put a single wild card, it works as before the modification. |
| 268 | */ |
| 269 | //======================================================================= |
| 270 | |
| 271 | wxString theFilter; |
| 272 | if ( wxStrlen(m_wildCard) == 0 ) |
| 273 | theFilter = wxString(wxT("*.*")); |
| 274 | else |
| 275 | theFilter = m_wildCard ; |
| 276 | wxString filterBuffer; |
| 277 | |
| 278 | if ( !wxStrchr( theFilter, wxT('|') ) ) { // only one filter ==> default text |
| 279 | filterBuffer.Printf(_("Files (%s)|%s"), |
| 280 | theFilter.c_str(), theFilter.c_str()); |
| 281 | } |
| 282 | else { // more then one filter |
| 283 | filterBuffer = theFilter; |
| 284 | |
| 285 | } |
| 286 | |
| 287 | filterBuffer += wxT("|"); |
| 288 | // Replace | with \0 |
| 289 | for (i = 0; i < filterBuffer.Len(); i++ ) { |
| 290 | if ( filterBuffer.GetChar(i) == wxT('|') ) { |
| 291 | filterBuffer[i] = wxT('\0'); |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | of.lpstrFilter = (LPTSTR)(const wxChar *)filterBuffer; |
| 296 | of.nFilterIndex = m_filterIndex; |
| 297 | |
| 298 | //=== Setting defaultFileName >>========================================= |
| 299 | |
| 300 | wxStrncpy( fileNameBuffer, (const wxChar *)m_fileName, MAXPATH-1 ); |
| 301 | fileNameBuffer[ MAXPATH-1 ] = wxT('\0'); |
| 302 | |
| 303 | of.lpstrFile = fileNameBuffer; // holds returned filename |
| 304 | of.nMaxFile = MAXPATH; |
| 305 | |
| 306 | //== Execute FileDialog >>================================================= |
| 307 | |
| 308 | bool success = (m_dialogStyle & wxSAVE) ? (GetSaveFileName(&of) != 0) |
| 309 | : (GetOpenFileName(&of) != 0); |
| 310 | |
| 311 | if ( success ) |
| 312 | { |
| 313 | m_fileNames.Empty(); |
| 314 | |
| 315 | if ( ( m_dialogStyle & wxMULTIPLE ) && |
| 316 | #if defined(OFN_EXPLORER) |
| 317 | ( fileNameBuffer[of.nFileOffset-1] == wxT('\0') ) ) |
| 318 | #else |
| 319 | ( fileNameBuffer[of.nFileOffset-1] == wxT(' ') ) ) |
| 320 | #endif // OFN_EXPLORER |
| 321 | { |
| 322 | #if defined(OFN_EXPLORER) |
| 323 | m_dir = fileNameBuffer; |
| 324 | i = of.nFileOffset; |
| 325 | m_fileName = &fileNameBuffer[i]; |
| 326 | m_fileNames.Add(m_fileName); |
| 327 | i += m_fileName.Len() + 1; |
| 328 | |
| 329 | while (fileNameBuffer[i] != wxT('\0')) |
| 330 | { |
| 331 | m_fileNames.Add(&fileNameBuffer[i]); |
| 332 | i += wxStrlen(&fileNameBuffer[i]) + 1; |
| 333 | } |
| 334 | #else |
| 335 | wxStringTokenizer toke(fileNameBuffer, " \t\r\n"); |
| 336 | m_dir = toke.GetNextToken(); |
| 337 | m_fileName = toke.GetNextToken(); |
| 338 | m_fileNames.Add(m_fileName); |
| 339 | |
| 340 | while (toke.HasMoreTokens()) |
| 341 | m_fileNames.Add(toke.GetNextToken()); |
| 342 | #endif // OFN_EXPLORER |
| 343 | |
| 344 | wxString dir(m_dir); |
| 345 | if ( m_dir.Last() != _T('\\') ) |
| 346 | dir += _T('\\'); |
| 347 | |
| 348 | m_fileNames.Sort(); |
| 349 | m_path = dir + m_fileName; |
| 350 | } |
| 351 | else |
| 352 | { |
| 353 | const wxChar* extension = NULL; |
| 354 | |
| 355 | //=== Adding the correct extension >>================================= |
| 356 | |
| 357 | m_filterIndex = (int)of.nFilterIndex; |
| 358 | |
| 359 | if ( of.nFileExtension && fileNameBuffer[ of.nFileExtension-1] != wxT('.') ) |
| 360 | { // user has typed an filename |
| 361 | // without an extension: |
| 362 | |
| 363 | int maxFilter = (int)(of.nFilterIndex*2L-1L); |
| 364 | extension = filterBuffer; |
| 365 | |
| 366 | for( int i = 0; i < maxFilter; i++ ) { // get extension |
| 367 | extension = extension + wxStrlen( extension ) +1; |
| 368 | } |
| 369 | |
| 370 | extension = wxStrrchr( extension, wxT('.') ); |
| 371 | if ( extension // != "blabla" |
| 372 | && !wxStrrchr( extension, wxT('*') ) // != "blabla.*" |
| 373 | && !wxStrrchr( extension, wxT('?') ) // != "blabla.?" |
| 374 | && extension[1] // != "blabla." |
| 375 | && extension[1] != wxT(' ') ) // != "blabla. " |
| 376 | { |
| 377 | // now concat extension to the fileName: |
| 378 | m_fileName = wxString(fileNameBuffer) + extension; |
| 379 | |
| 380 | int len = wxStrlen( fileNameBuffer ); |
| 381 | wxStrncpy( fileNameBuffer + len, extension, MAXPATH - len ); |
| 382 | fileNameBuffer[ MAXPATH -1 ] = wxT('\0'); |
| 383 | } |
| 384 | } |
| 385 | |
| 386 | m_path = fileNameBuffer; |
| 387 | m_fileName = wxFileNameFromPath(fileNameBuffer); |
| 388 | m_fileNames.Add(m_fileName); |
| 389 | m_dir = wxPathOnly(fileNameBuffer); |
| 390 | } |
| 391 | |
| 392 | |
| 393 | //=== Simulating the wxOVERWRITE_PROMPT >>============================ |
| 394 | |
| 395 | if ( (m_dialogStyle & wxOVERWRITE_PROMPT) && |
| 396 | ::wxFileExists( fileNameBuffer ) ) |
| 397 | { |
| 398 | wxString messageText; |
| 399 | messageText.Printf(_("Replace file '%s'?"), fileNameBuffer); |
| 400 | |
| 401 | if ( wxMessageBox(messageText, m_message, wxYES_NO ) != wxYES ) |
| 402 | { |
| 403 | success = FALSE; |
| 404 | } |
| 405 | } |
| 406 | |
| 407 | } |
| 408 | else |
| 409 | { |
| 410 | // common dialog failed - why? |
| 411 | #ifdef __WXDEBUG__ |
| 412 | DWORD dwErr = CommDlgExtendedError(); |
| 413 | if ( dwErr != 0 ) |
| 414 | { |
| 415 | // this msg is only for developers |
| 416 | wxLogError(wxT("Common dialog failed with error code %0lx."), |
| 417 | dwErr); |
| 418 | } |
| 419 | //else: it was just cancelled |
| 420 | #endif |
| 421 | } |
| 422 | |
| 423 | return success ? wxID_OK : wxID_CANCEL; |
| 424 | |
| 425 | } |
| 426 | |
| 427 | // Generic file load/save dialog (for internal use only) |
| 428 | static |
| 429 | wxString wxDefaultFileSelector(bool load, |
| 430 | const wxChar *what, |
| 431 | const wxChar *extension, |
| 432 | const wxChar *default_name, |
| 433 | wxWindow *parent) |
| 434 | { |
| 435 | wxString prompt; |
| 436 | wxString str; |
| 437 | if (load) str = _("Load %s file"); |
| 438 | else str = _("Save %s file"); |
| 439 | prompt.Printf(str, what); |
| 440 | |
| 441 | const wxChar *ext = extension; |
| 442 | if (*ext == wxT('.')) |
| 443 | ext++; |
| 444 | |
| 445 | wxString wild; |
| 446 | wild.Printf(wxT("*.%s"), ext); |
| 447 | |
| 448 | return wxFileSelector (prompt, NULL, default_name, ext, wild, 0, parent); |
| 449 | } |
| 450 | |
| 451 | // Generic file load dialog |
| 452 | WXDLLEXPORT wxString wxLoadFileSelector(const wxChar *what, |
| 453 | const wxChar *extension, |
| 454 | const wxChar *default_name, |
| 455 | wxWindow *parent) |
| 456 | { |
| 457 | return wxDefaultFileSelector(TRUE, what, extension, default_name, parent); |
| 458 | } |
| 459 | |
| 460 | // Generic file save dialog |
| 461 | WXDLLEXPORT wxString wxSaveFileSelector(const wxChar *what, |
| 462 | const wxChar *extension, |
| 463 | const wxChar *default_name, |
| 464 | wxWindow *parent) |
| 465 | { |
| 466 | return wxDefaultFileSelector(FALSE, what, extension, default_name, parent); |
| 467 | } |
| 468 | |
| 469 | |