]> git.saurik.com Git - wxWidgets.git/blobdiff - src/os2/filedlg.cpp
Fix memory leak if wxDC::DrawBitmap() fails in wxOS2.
[wxWidgets.git] / src / os2 / filedlg.cpp
index 8832598af41c29001acd781e577cf51a17f859e7..f4fc9da6f11269bc69734045a1ca7ed63b9fb494 100644 (file)
 /////////////////////////////////////////////////////////////////////////////
-// Name:        filedlg.cpp
+// Name:        src/os2/filedlg.cpp
 // Purpose:     wxFileDialog
-// Author:      AUTHOR
+// Author:      David Webster
 // Modified by:
-// Created:     ??/??/98
+// Created:     10/05/99
 // RCS-ID:      $Id$
-// Copyright:   (c) AUTHOR
+// Copyright:   (c) David Webster
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "filedlg.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
 #endif
 
-#include "wx/defs.h"
-#include "wx/utils.h"
-#include "wx/dialog.h"
+#if wxUSE_FILEDLG
+
 #include "wx/filedlg.h"
-#include "wx/intl.h"
 
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_CLASS(wxFileDialog, wxDialog)
+#ifndef WX_PRECOMP
+    #include "wx/utils.h"
+    #include "wx/msgdlg.h"
+    #include "wx/filename.h"
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/app.h"
+    #include "wx/math.h"
+#endif
+
+#define INCL_PM
+#include <os2.h>
+
+#include "wx/os2/private.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "wx/tokenzr.h"
+
+#define wxMAXPATH                    1024
+#define wxMAXFILE                    1024
+#define wxMAXEXT                        5
+
+#ifndef MAXPATH
+# define MAXPATH                      400
+#endif
+
+#ifndef MAXDRIVE
+# define MAXDRIVE                       3
 #endif
 
-wxString wxFileSelector(const char *title,
-                     const char *defaultDir, const char *defaultFileName,
-                     const char *defaultExtension, const char *filter, int flags,
-                     wxWindow *parent, int x, int y)
+#ifndef MAXFILE
+# define MAXFILE                        9
+#endif
+
+#ifndef MAXEXT
+# define MAXEXT                         5
+#endif
+
+IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
+
+// ----------------------------------------------------------------------------
+// CLASS wxFileDialog
+// ----------------------------------------------------------------------------
+
+wxFileDialog::wxFileDialog (
+  wxWindow*                         pParent
+, const wxString&                   rsMessage
+, const wxString&                   rsDefaultDir
+, const wxString&                   rsDefaultFileName
+, const wxString&                   rsWildCard
+, long                              lStyle
+, const wxPoint&                    rPos,
+  const wxSize& sz,
+  const wxString& name
+)
+    :wxFileDialogBase(pParent, rsMessage, rsDefaultDir, rsDefaultFileName, rsWildCard, lStyle, rPos, sz, name)
+
 {
-    // If there's a default extension specified but no filter, we create a suitable
-    // filter.
-
-    wxString filter2("");
-    if ( defaultExtension && !filter )
-        filter2 = wxString("*.") + wxString(defaultExtension) ;
-    else if ( filter )
-        filter2 = filter;
-
-    wxString defaultDirString;
-    if (defaultDir)
-        defaultDirString = defaultDir;
-    else
-        defaultDirString = "";
+    // NB: all style checks are done by wxFileDialogBase::Create
 
-    wxString defaultFilenameString;
-    if (defaultFileName)
-        defaultFilenameString = defaultFileName;
-    else
-        defaultFilenameString = "";
+    m_filterIndex = 1;
+} // end of wxFileDialog::wxFileDialog
 
-    wxFileDialog fileDialog(parent, title, defaultDirString, defaultFilenameString, filter2, flags, wxPoint(x, y));
+void wxFileDialog::GetPaths (
+  wxArrayString&                    rasPaths
+) const
+{
+    wxString                        sDir(m_dir);
+    size_t                          nCount = m_fileNames.GetCount();
+
+    rasPaths.Empty();
+    if (m_dir.Last() != wxT('\\'))
+        sDir += wxT('\\');
 
-    if ( fileDialog.ShowModal() == wxID_OK )
+    for ( size_t n = 0; n < nCount; n++ )
     {
-        return fileDialog.GetPath();
+        rasPaths.Add(sDir + m_fileNames[n]);
     }
-    else
-        return wxEmptyString;
-}
-
-wxString wxFileSelectorEx(const char *title,
-                       const char *defaultDir,
-                       const char *defaultFileName,
-                       int* defaultFilterIndex,
-                       const char *filter,
-                       int       flags,
-                       wxWindow* parent,
-                       int       x,
-                       int       y)
+} // end of wxFileDialog::GetPaths
 
+int wxFileDialog::ShowModal()
 {
-    wxFileDialog fileDialog(parent, title ? title : "", defaultDir ? defaultDir : "",
-        defaultFileName ? defaultFileName : "", filter ? filter : "", flags, wxPoint(x, y));
+    wxString                        sTheFilter;
+    wxString                        sFilterBuffer;
+    wxChar*                         pzFilterBuffer;
+    static wxChar                   zFileNameBuffer[wxMAXPATH];           // the file-name
+    HWND                            hWnd = 0;
+    wxChar                          zTitleBuffer[wxMAXFILE + 1 + wxMAXEXT];  // the file-name, without path
+    wxString                        sDir;
+    size_t                          i;
+    size_t                          nLen = m_dir.length();
+    int                             nCount = 0;
+    FILEDLG                         vFileDlg;
+    ULONG                           lFlags = 0L;
+
+    memset(&vFileDlg, '\0', sizeof(FILEDLG));
+    if (m_parent)
+        hWnd = (HWND) m_parent->GetHWND();
+    if (!hWnd && wxTheApp->GetTopWindow())
+        hWnd = (HWND) wxTheApp->GetTopWindow()->GetHWND();
+
 
-    if ( fileDialog.ShowModal() == wxID_OK )
+    *zFileNameBuffer = wxT('\0');
+    *zTitleBuffer    = wxT('\0');
+
+    if (m_windowStyle & wxFD_SAVE)
+        lFlags = FDS_SAVEAS_DIALOG;
+    else
+        lFlags = FDS_OPEN_DIALOG;
+
+    if (m_windowStyle & wxFD_SAVE)
+        lFlags |= FDS_SAVEAS_DIALOG;
+    if (m_windowStyle & wxFD_MULTIPLE)
+        lFlags |= FDS_OPEN_DIALOG | FDS_MULTIPLESEL;
+
+    vFileDlg.cbSize = sizeof(FILEDLG);
+    vFileDlg.fl = lFlags;
+    vFileDlg.pszTitle = (PSZ)zTitleBuffer;
+
+    //
+    // Convert forward slashes to backslashes (file selector doesn't like
+    // forward slashes) and also squeeze multiple consecutive slashes into one
+    // as it doesn't like two backslashes in a row neither
+    //
+    sDir.reserve(nLen);
+    for ( i = 0; i < nLen; i++ )
     {
-        *defaultFilterIndex = fileDialog.GetFilterIndex();
-        return fileDialog.GetPath();
+        wxChar                      ch = m_dir[i];
+
+        switch (ch)
+        {
+            case wxT('/'):
+                //
+                // Convert to backslash
+                //
+                ch = wxT('\\');
+
+                //
+                // Fall through
+                //
+            case wxT('\\'):
+                while (i < nLen - 1)
+                {
+                    wxChar          chNext = m_dir[i + 1];
+
+                    if (chNext != wxT('\\') && chNext != wxT('/'))
+                        break;
+
+                    //
+                    // Ignore the next one, unless it is at the start of a UNC path
+                    //
+                    if (i > 0)
+                        i++;
+                    else
+                        break;
+                }
+
+                //
+                // Fall through
+                //
+
+            default:
+                //
+                // Normal char
+                sDir += ch;
+        }
     }
+    if ( wxStrlen(m_wildCard) == 0 )
+        sTheFilter = wxEmptyString;
     else
-        return wxEmptyString;
-}
+        sTheFilter = m_wildCard;
 
-wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
-        const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
-        long style, const wxPoint& pos)
-{
-    m_message = message;
-    m_dialogStyle = style;
-    m_parent = parent;
-    m_path = "";
-    m_fileName = defaultFileName;
-    m_dir = defaultDir;
-    m_wildCard = wildCard;
-    m_filterIndex = 1;
-}
+    wxStrtok(sTheFilter.wchar_str(), wxT("|"), &pzFilterBuffer);
+    while(pzFilterBuffer != NULL)
+    {
+        if (nCount > 0 && !(nCount % 2))
+            sDir += wxT(";");
+        if (nCount % 2)
+        {
+            sDir += pzFilterBuffer;
+        }
+        wxStrtok(NULL, wxT("|"), &pzFilterBuffer);
+        nCount++;
+    }
+    if (nCount == 0)
+        sDir += m_fileName;
+    if (sDir.empty())
+        sDir = wxT("*.*");
+    wxStrcpy((wxChar*)vFileDlg.szFullFile, sDir);
+    sFilterBuffer = sDir;
 
-int wxFileDialog::ShowModal()
-{
-    // TODO
-    return wxID_CANCEL;
-}
+    hWnd = ::WinFileDlg( HWND_DESKTOP
+                        ,GetHwndOf(m_parent)
+                        ,&vFileDlg
+                       );
+    if (hWnd && vFileDlg.lReturn == DID_OK)
+    {
+        m_fileNames.Empty();
+        if ((m_windowStyle & wxFD_MULTIPLE ) && vFileDlg.ulFQFCount > 1)
+        {
+            for (int i = 0; i < (int)vFileDlg.ulFQFCount; i++)
+            {
+                if (i == 0)
+                {
+                    m_dir = wxPathOnly(wxString((const wxChar*)*vFileDlg.papszFQFilename[0]));
+                    m_path = (const wxChar*)*vFileDlg.papszFQFilename[0];
+                }
+                m_fileName = wxFileNameFromPath(wxString((const wxChar*)*vFileDlg.papszFQFilename[i]));
+                m_fileNames.Add(m_fileName);
+            }
+            ::WinFreeFileDlgList(vFileDlg.papszFQFilename);
+        }
+        else if (!(m_windowStyle & wxFD_SAVE))
+        {
+            m_path = (wxChar*)vFileDlg.szFullFile;
+            m_fileName = wxFileNameFromPath(wxString((const wxChar*)vFileDlg.szFullFile));
+            m_dir = wxPathOnly((const wxChar*)vFileDlg.szFullFile);
+        }
+        else // save file
+        {
+            const wxChar*           pzExtension = NULL;
 
-// Generic file load/save dialog
-static wxString wxDefaultFileSelector(bool load, const char *what, const char *extension, const char *default_name, wxWindow *parent)
-{
-  char *ext = (char *)extension;
-  
-  char prompt[50];
-  wxString str;
-  if (load)
-    str = "Load %s file";
-  else
-    str = "Save %s file";
-  sprintf(prompt, wxGetTranslation(str), what);
-
-  if (*ext == '.') ext++;
-  char wild[60];
-  sprintf(wild, "*.%s", ext);
-
-  return wxFileSelector (prompt, NULL, default_name, ext, wild, 0, parent);
-}
-
-// Generic file load dialog
-wxString wxLoadFileSelector(const char *what, const char *extension, const char *default_name, wxWindow *parent)
-{
-  return wxDefaultFileSelector(TRUE, what, extension, default_name, parent);
-}
+            wxStrcpy(zFileNameBuffer, (const wxChar*)vFileDlg.szFullFile);
 
+            int                     nIdx = wxStrlen(zFileNameBuffer) - 1;
+            wxString                sExt;
 
-// Generic file save dialog
-wxString wxSaveFileSelector(const char *what, const char *extension, const char *default_name, wxWindow *parent)
-{
-  return wxDefaultFileSelector(FALSE, what, extension, default_name, parent);
-}
+            wxFileName::SplitPath( zFileNameBuffer
+                                    ,&m_path
+                                    ,&m_fileName
+                                    ,&sExt
+                                  );
+            if (zFileNameBuffer[nIdx] == wxT('.') || sExt.empty())
+            {
+                zFileNameBuffer[nIdx] = wxT('\0');
+
+                //
+                // User has typed a filename without an extension:
+                //
+                // A filename can end in a "." here ("abc."), this means it
+                // does not have an extension. Because later on a "." with
+                // the default extension is appended we remove the "." if
+                // filename ends with one (We don't want files called
+                // "abc..ext")
+                //
+                pzExtension = sFilterBuffer.c_str();
+
+                for( int i = 0; i < (int)sFilterBuffer.length(); i++ )
+                {
+                    //
+                    // Get extension
+                    //
+                    pzExtension = wxStrrchr(pzExtension, wxT('.'));
+                    if ( pzExtension                      &&
+                        !wxStrrchr(pzExtension, wxT('*')) &&
+                        !wxStrrchr(pzExtension, wxT('?')) &&
+                        pzExtension[1]                    &&
+                        pzExtension[1] != wxT(' ')
+                       )              // != "blabla. "
+                    {
+                        //
+                        // Now concat extension to the fileName:
+                        //
+                        m_path = wxString(zFileNameBuffer) + pzExtension;
+                    }
+                }
+            }
+            else
+            {
+                m_path = (wxChar*)vFileDlg.szFullFile;
+            }
+            m_fileName = wxFileNameFromPath((const wxChar*)vFileDlg.szFullFile);
+            m_dir = wxPathOnly((const wxChar*)vFileDlg.szFullFile);
 
+            //
+            // === Simulating the wxFD_OVERWRITE_PROMPT >>============================
+            //
+            if ((m_windowStyle & wxFD_OVERWRITE_PROMPT) &&
+                (m_windowStyle & wxFD_SAVE) &&
+                (wxFileExists(m_path.c_str())))
+            {
+                wxString            sMessageText;
+
+                sMessageText.Printf( _("File '%s' already exists.\nDo you want to replace it?")
+                                    ,m_path.c_str()
+                                   );
+                if (wxMessageBox( sMessageText
+                                 ,wxT("Save File As")
+                                 ,wxYES_NO | wxICON_EXCLAMATION
+                                ) != wxYES)
+                {
+                    return wxID_CANCEL;
+                }
+            }
+        }
+        return wxID_OK;
+    }
+    return wxID_CANCEL;
+} // end of wxFileDialog::ShowModal
 
+#endif // wxUSE_FILEDLG