src/os2/filedlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/os2/filedlg.cpp
   3 // Purpose:     wxFileDialog
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/05/99
   7 // Copyright:   (c) David Webster
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_FILEDLG
  19
  20 #include "wx/filedlg.h"
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/utils.h"
  24     #include "wx/msgdlg.h"
  25     #include "wx/filename.h"
  26     #include "wx/intl.h"
  27     #include "wx/log.h"
  28     #include "wx/app.h"
  29     #include "wx/math.h"
  30 #endif
  31
  32 #define INCL_PM
  33 #include <os2.h>
  34
  35 #include "wx/os2/private.h"
  36
  37 #include <stdlib.h>
  38 #include <string.h>
  39
  40 #include "wx/tokenzr.h"
  41 #include "wx/modalhook.h"
  42
  43 #define wxMAXPATH                    1024
  44 #define wxMAXFILE                    1024
  45 #define wxMAXEXT                        5
  46
  47 #ifndef MAXPATH
  48 # define MAXPATH                      400
  49 #endif
  50
  51 #ifndef MAXDRIVE
  52 # define MAXDRIVE                       3
  53 #endif
  54
  55 #ifndef MAXFILE
  56 # define MAXFILE                        9
  57 #endif
  58
  59 #ifndef MAXEXT
  60 # define MAXEXT                         5
  61 #endif
  62
  63 IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
  64
  65 // ----------------------------------------------------------------------------
  66 // CLASS wxFileDialog
  67 // ----------------------------------------------------------------------------
  68
  69 wxFileDialog::wxFileDialog (
  70   wxWindow*                         pParent
  71 , const wxString&                   rsMessage
  72 , const wxString&                   rsDefaultDir
  73 , const wxString&                   rsDefaultFileName
  74 , const wxString&                   rsWildCard
  75 , long                              lStyle
  76 , const wxPoint&                    rPos,
  77   const wxSize& sz,
  78   const wxString& name
  79 )
  80     :wxFileDialogBase(pParent, rsMessage, rsDefaultDir, rsDefaultFileName, rsWildCard, lStyle, rPos, sz, name)
  81
  82 {
  83     // NB: all style checks are done by wxFileDialogBase::Create
  84
  85     m_filterIndex = 1;
  86 } // end of wxFileDialog::wxFileDialog
  87
  88 void wxFileDialog::GetPaths (
  89   wxArrayString&                    rasPaths
  90 ) const
  91 {
  92     wxString                        sDir(m_dir);
  93     size_t                          nCount = m_fileNames.GetCount();
  94
  95     rasPaths.Empty();
  96     if (m_dir.Last() != wxT('\\'))
  97         sDir += wxT('\\');
  98
  99     for ( size_t n = 0; n < nCount; n++ )
 100     {
 101         rasPaths.Add(sDir + m_fileNames[n]);
 102     }
 103 } // end of wxFileDialog::GetPaths
 104
 105 int wxFileDialog::ShowModal()
 106 {
 107     WX_HOOK_MODAL_DIALOG();
 108
 109     wxString                        sTheFilter;
 110     wxString                        sFilterBuffer;
 111     wxChar*                         pzFilterBuffer;
 112     static wxChar                   zFileNameBuffer[wxMAXPATH];           // the file-name
 113     HWND                            hWnd = 0;
 114     wxChar                          zTitleBuffer[wxMAXFILE + 1 + wxMAXEXT];  // the file-name, without path
 115     wxString                        sDir;
 116     size_t                          i;
 117     size_t                          nLen = m_dir.length();
 118     int                             nCount = 0;
 119     FILEDLG                         vFileDlg;
 120     ULONG                           lFlags = 0L;
 121
 122     memset(&vFileDlg, '\0', sizeof(FILEDLG));
 123     if (m_parent)
 124         hWnd = (HWND) m_parent->GetHWND();
 125     if (!hWnd && wxTheApp->GetTopWindow())
 126         hWnd = (HWND) wxTheApp->GetTopWindow()->GetHWND();
 127
 128
 129     *zFileNameBuffer = wxT('\0');
 130     *zTitleBuffer    = wxT('\0');
 131
 132     if (m_windowStyle & wxFD_SAVE)
 133         lFlags = FDS_SAVEAS_DIALOG;
 134     else
 135         lFlags = FDS_OPEN_DIALOG;
 136
 137     if (m_windowStyle & wxFD_SAVE)
 138         lFlags |= FDS_SAVEAS_DIALOG;
 139     if (m_windowStyle & wxFD_MULTIPLE)
 140         lFlags |= FDS_OPEN_DIALOG | FDS_MULTIPLESEL;
 141
 142     vFileDlg.cbSize = sizeof(FILEDLG);
 143     vFileDlg.fl = lFlags;
 144     vFileDlg.pszTitle = (PSZ)zTitleBuffer;
 145
 146     //
 147     // Convert forward slashes to backslashes (file selector doesn't like
 148     // forward slashes) and also squeeze multiple consecutive slashes into one
 149     // as it doesn't like two backslashes in a row neither
 150     //
 151     sDir.reserve(nLen);
 152     for ( i = 0; i < nLen; i++ )
 153     {
 154         wxChar                      ch = m_dir[i];
 155
 156         switch (ch)
 157         {
 158             case wxT('/'):
 159                 //
 160                 // Convert to backslash
 161                 //
 162                 ch = wxT('\\');
 163
 164                 //
 165                 // Fall through
 166                 //
 167             case wxT('\\'):
 168                 while (i < nLen - 1)
 169                 {
 170                     wxChar          chNext = m_dir[i + 1];
 171
 172                     if (chNext != wxT('\\') && chNext != wxT('/'))
 173                         break;
 174
 175                     //
 176                     // Ignore the next one, unless it is at the start of a UNC path
 177                     //
 178                     if (i > 0)
 179                         i++;
 180                     else
 181                         break;
 182                 }
 183
 184                 //
 185                 // Fall through
 186                 //
 187
 188             default:
 189                 //
 190                 // Normal char
 191                 sDir += ch;
 192         }
 193     }
 194     if ( wxStrlen(m_wildCard) == 0 )
 195         sTheFilter = wxEmptyString;
 196     else
 197         sTheFilter = m_wildCard;
 198
 199     wxStrtok(sTheFilter.wchar_str(), wxT("|"), &pzFilterBuffer);
 200     while(pzFilterBuffer != NULL)
 201     {
 202         if (nCount > 0 && !(nCount % 2))
 203             sDir += wxT(";");
 204         if (nCount % 2)
 205         {
 206             sDir += pzFilterBuffer;
 207         }
 208         wxStrtok(NULL, wxT("|"), &pzFilterBuffer);
 209         nCount++;
 210     }
 211     if (nCount == 0)
 212         sDir += m_fileName;
 213     if (sDir.empty())
 214         sDir = wxT("*.*");
 215     wxStrcpy((wxChar*)vFileDlg.szFullFile, sDir);
 216     sFilterBuffer = sDir;
 217
 218     hWnd = ::WinFileDlg( HWND_DESKTOP
 219                         ,GetHwndOf(m_parent)
 220                         ,&vFileDlg
 221                        );
 222     if (hWnd && vFileDlg.lReturn == DID_OK)
 223     {
 224         m_fileNames.Empty();
 225         if ((m_windowStyle & wxFD_MULTIPLE ) && vFileDlg.ulFQFCount > 1)
 226         {
 227             for (int i = 0; i < (int)vFileDlg.ulFQFCount; i++)
 228             {
 229                 if (i == 0)
 230                 {
 231                     m_dir = wxPathOnly(wxString((const wxChar*)*vFileDlg.papszFQFilename[0]));
 232                     m_path = (const wxChar*)*vFileDlg.papszFQFilename[0];
 233                 }
 234                 m_fileName = wxFileNameFromPath(wxString((const wxChar*)*vFileDlg.papszFQFilename[i]));
 235                 m_fileNames.Add(m_fileName);
 236             }
 237             ::WinFreeFileDlgList(vFileDlg.papszFQFilename);
 238         }
 239         else if (!(m_windowStyle & wxFD_SAVE))
 240         {
 241             m_path = (wxChar*)vFileDlg.szFullFile;
 242             m_fileName = wxFileNameFromPath(wxString((const wxChar*)vFileDlg.szFullFile));
 243             m_dir = wxPathOnly((const wxChar*)vFileDlg.szFullFile);
 244         }
 245         else // save file
 246         {
 247             const wxChar*           pzExtension = NULL;
 248
 249             wxStrcpy(zFileNameBuffer, (const wxChar*)vFileDlg.szFullFile);
 250
 251             int                     nIdx = wxStrlen(zFileNameBuffer) - 1;
 252             wxString                sExt;
 253
 254             wxFileName::SplitPath( zFileNameBuffer
 255                                     ,&m_path
 256                                     ,&m_fileName
 257                                     ,&sExt
 258                                   );
 259             if (zFileNameBuffer[nIdx] == wxT('.') || sExt.empty())
 260             {
 261                 zFileNameBuffer[nIdx] = wxT('\0');
 262
 263                 //
 264                 // User has typed a filename without an extension:
 265                 //
 266                 // A filename can end in a "." here ("abc."), this means it
 267                 // does not have an extension. Because later on a "." with
 268                 // the default extension is appended we remove the "." if
 269                 // filename ends with one (We don't want files called
 270                 // "abc..ext")
 271                 //
 272                 pzExtension = sFilterBuffer.c_str();
 273
 274                 for( int i = 0; i < (int)sFilterBuffer.length(); i++ )
 275                 {
 276                     //
 277                     // Get extension
 278                     //
 279                     pzExtension = wxStrrchr(pzExtension, wxT('.'));
 280                     if ( pzExtension                      &&
 281                         !wxStrrchr(pzExtension, wxT('*')) &&
 282                         !wxStrrchr(pzExtension, wxT('?')) &&
 283                         pzExtension[1]                    &&
 284                         pzExtension[1] != wxT(' ')
 285                        )              // != "blabla. "
 286                     {
 287                         //
 288                         // Now concat extension to the fileName:
 289                         //
 290                         m_path = wxString(zFileNameBuffer) + pzExtension;
 291                     }
 292                 }
 293             }
 294             else
 295             {
 296                 m_path = (wxChar*)vFileDlg.szFullFile;
 297             }
 298             m_fileName = wxFileNameFromPath((const wxChar*)vFileDlg.szFullFile);
 299             m_dir = wxPathOnly((const wxChar*)vFileDlg.szFullFile);
 300
 301             //
 302             // === Simulating the wxFD_OVERWRITE_PROMPT >>============================
 303             //
 304             if ((m_windowStyle & wxFD_OVERWRITE_PROMPT) &&
 305                 (m_windowStyle & wxFD_SAVE) &&
 306                 (wxFileExists(m_path.c_str())))
 307             {
 308                 wxString            sMessageText;
 309
 310                 sMessageText.Printf( _("File '%s' already exists.\nDo you want to replace it?")
 311                                     ,m_path.c_str()
 312                                    );
 313                 if (wxMessageBox( sMessageText
 314                                  ,wxT("Save File As")
 315                                  ,wxYES_NO | wxICON_EXCLAMATION
 316                                 ) != wxYES)
 317                 {
 318                     return wxID_CANCEL;
 319                 }
 320             }
 321         }
 322         return wxID_OK;
 323     }
 324     return wxID_CANCEL;
 325 } // end of wxFileDialog::ShowModal
 326
 327 #endif // wxUSE_FILEDLG