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