]> git.saurik.com Git - wxWidgets.git/blobdiff - src/unix/mimetype.cpp
document On{Open,Save}Document()
[wxWidgets.git] / src / unix / mimetype.cpp
index 3b3cb106d99aef2f5004a13d4cd1eb9a10d8b24a..04110d67c22177ee4b63dfb9562c7173ce54efff 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        unix/mimetype.cpp
+// Name:        src/unix/mimetype.cpp
 // Purpose:     classes and functions to manage MIME types
 // Author:      Vadim Zeitlin
 // Modified by:
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-  #pragma hdrstop
-#endif
-
-#ifndef WX_PRECOMP
-  #include "wx/defs.h"
+    #pragma hdrstop
 #endif
 
 #if wxUSE_MIMETYPE && wxUSE_FILE && wxUSE_TEXTFILE
 
+#include "wx/unix/mimetype.h"
+
 #ifndef WX_PRECOMP
-  #include "wx/string.h"
+    #include "wx/dynarray.h"
+    #include "wx/string.h"
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/utils.h"
 #endif
 
-#include "wx/log.h"
 #include "wx/file.h"
-#include "wx/intl.h"
-#include "wx/dynarray.h"
 #include "wx/confbase.h"
 
 #include "wx/ffile.h"
 #include "wx/textfile.h"
 #include "wx/dir.h"
-#include "wx/utils.h"
 #include "wx/tokenzr.h"
 #include "wx/iconloc.h"
 #include "wx/filename.h"
+#include "wx/app.h"
+#include "wx/apptrait.h"
 
-#include "wx/unix/mimetype.h"
+#if wxUSE_LIBGNOMEVFS
+    // Not GUI dependent
+    #include "wx/gtk/gnome/gvfs.h"
+#endif
 
 // other standard headers
 #include <ctype.h>
 
-#ifdef __VMS
-/* silence warnings for comparing unsigned int's <0 */
-# pragma message disable unscomzer
-#endif
-
-// wxMimeTypeCommands stores the verbs defined for the given MIME type with
-// their values
-class wxMimeTypeCommands
-{
-public:
-    wxMimeTypeCommands() {}
-
-    wxMimeTypeCommands(const wxArrayString& verbs,
-                       const wxArrayString& commands)
-        : m_verbs(verbs),
-          m_commands(commands)
-    {
-    }
-
-    // add a new verb with the command or replace the old value
-    void AddOrReplaceVerb(const wxString& verb, const wxString& cmd)
-    {
-        int n = m_verbs.Index(verb, false /* ignore case */);
-        if ( n == wxNOT_FOUND )
-        {
-            m_verbs.Add(verb);
-            m_commands.Add(cmd);
-        }
-        else
-        {
-            m_commands[n] = cmd;
-        }
-    }
-
-    void Add(const wxString& s)
-    {
-        m_verbs.Add(s.BeforeFirst(wxT('=')));
-        m_commands.Add(s.AfterFirst(wxT('=')));
-    }
-
-    // access the commands
-    size_t GetCount() const { return m_verbs.GetCount(); }
-    const wxString& GetVerb(size_t n) const { return m_verbs[n]; }
-    const wxString& GetCmd(size_t n) const { return m_commands[n]; }
-
-    bool HasVerb(const wxString& verb) const
-        { return m_verbs.Index(verb) != wxNOT_FOUND; }
-
-    wxString GetCommandForVerb(const wxString& verb, size_t *idx = NULL) const
-    {
-        wxString s;
-
-        int n = m_verbs.Index(verb);
-        if ( n != wxNOT_FOUND )
-        {
-            s = m_commands[(size_t)n];
-            if ( idx )
-                *idx = n;
-        }
-
-        return s;
-    }
-
-    // get a "verb=command" string
-    wxString GetVerbCmd(size_t n) const
-    {
-        return m_verbs[n] + wxT('=') + m_commands[n];
-    }
-
-private:
-    wxArrayString m_verbs;
-    wxArrayString m_commands;
-};
-
-// this class extends wxTextFile
+// this class is a wxTextFile specialization for dealing with files storing
+// various MIME-related information
 //
-// VZ: ???
+// it should be used instead of wxTextFile even if none of its additional
+// methods are used just because it handles files with mixed encodings (often
+// the case for MIME files which contain strings for different languages)
+// correctly, see OnRead()
 class wxMimeTextFile : public wxTextFile
 {
 public:
     // constructors
-    wxMimeTextFile () : wxTextFile () {};
-    wxMimeTextFile(const wxString& strFile) : wxTextFile(strFile) {};
+    wxMimeTextFile () : wxTextFile () { }
+    wxMimeTextFile(const wxString& strFile) : wxTextFile(strFile) { }
 
-    int pIndexOf(const wxString & sSearch, bool bIncludeComments = false, int iStart = 0)
+    int pIndexOf(const wxString& sSearch,
+                 bool bIncludeComments = false,
+                 int iStart = 0)
     {
-        size_t i = iStart;
-        int nResult = wxNOT_FOUND;
-        if (i >= GetLineCount())
-            return wxNOT_FOUND;
-
         wxString sTest = sSearch;
         sTest.MakeLower();
-        wxString sLine;
-
-        if (bIncludeComments)
-        {
-            while ( i < GetLineCount() )
-            {
-                sLine = GetLine(i);
-                sLine.MakeLower();
-                if (sLine.Contains(sTest))
-                    nResult = (int) i;
-
-                i++;
-            }
-        }
-        else
+        for(size_t i = iStart; i < GetLineCount(); i++)
         {
-            while ( (i < GetLineCount()) )
+            wxString sLine = GetLine(i).Trim(false);
+            if(bIncludeComments || ! sLine.StartsWith(wxT("#")))
             {
-                sLine = GetLine(i);
                 sLine.MakeLower();
-                if ( ! sLine.StartsWith(wxT("#")))
-                {
-                    if (sLine.Contains(sTest))
-                        nResult = (int) i;
-                }
-
-                i++;
+                if(sLine.StartsWith(sTest))
+                    return (int)i;
             }
         }
-
-        return  nResult;
+        return wxNOT_FOUND;
     }
 
     bool CommentLine(int nIndex)
@@ -233,9 +143,6 @@ public:
     }
 };
 
-// in case we're compiling in non-GUI mode
-class WXDLLEXPORT wxIcon;
-
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
@@ -344,219 +251,26 @@ static bool IsKnownUnimportantField(const wxString& field);
 //  1. xxx.keys files under /usr/share/mime-info
 //  2. xxx.keys files under ~/.gnome/mime-info
 //
-// The format of xxx.keys file is the following:
-//
-// mimetype/subtype:
-//      field=value
-//
-// with blank lines separating the entries and indented lines starting with
-// TABs. We're interested in the field icon-filename whose value is the path
-// containing the icon.
-//
 // Update (Chris Elliott): apparently there may be an optional "[lang]" prefix
 // just before the field name.
 
 
-bool wxMimeTypesManagerImpl::CheckGnomeDirsExist()
-{
-    wxString gnomedir;
-    wxGetHomeDir( &gnomedir );
-    wxString sTmp = gnomedir;
-    sTmp = sTmp + wxT("/.gnome");
-    if (! wxDir::Exists( sTmp ) )
-    {
-        if (!wxMkdir( sTmp ))
-        {
-            wxLogError(wxT("Failed to create directory %s/.gnome."), sTmp.c_str());
-            return false;
-        }
-    }
-
-    sTmp = sTmp + wxT("/mime-info");
-    if (! wxDir::Exists( sTmp ) )
-    {
-        if (!wxMkdir( sTmp ))
-        {
-            wxLogError(wxT("Failed to create directory %s/mime-info."), sTmp.c_str());
-            return false;
-        }
-    }
-
-    return true;
-}
-
-bool wxMimeTypesManagerImpl::WriteGnomeKeyFile(int index, bool delete_index)
-{
-    wxString gnomedir;
-    wxGetHomeDir( &gnomedir );
-
-    wxMimeTextFile outfile( gnomedir + wxT("/.gnome/mime-info/user.keys"));
-    // if this fails probably Gnome is not installed ??
-    // create it anyway as a private mime store
-
-#if defined(__WXGTK20__) && wxUSE_UNICODE
-    if (! outfile.Open( wxConvUTF8) )
-#else
-    if (! outfile.Open() )
-#endif
-    {
-        if (delete_index)
-            return false;
-        if (!CheckGnomeDirsExist() )
-            return false;
-
-        outfile.Create();
-    }
-
-    wxString sTmp, strType = m_aTypes[index];
-    int nIndex = outfile.pIndexOf(strType);
-    if ( nIndex == wxNOT_FOUND )
-    {
-        outfile.AddLine( strType + wxT(':') );
-        // see file:/usr/doc/gnome-libs-devel-1.0.40/devel-docs/mime-type-handling.txt
-        // as this does not deal with internationalisation
-        //        wxT( "\t[en_US]") + verb + wxT ('=') + cmd + wxT(" %f");
-        wxMimeTypeCommands * entries = m_aEntries[index];
-        size_t count = entries->GetCount();
-        for ( size_t i = 0; i < count; i++ )
-        {
-            sTmp = entries->GetVerbCmd( i );
-            sTmp.Replace( wxT("%s"), wxT("%f") );
-            sTmp = wxT( "\t") + sTmp;
-            outfile.AddLine( sTmp );
-        }
-
-        //for international use do something like this
-        //outfile.AddLine( wxString( "\t[en_US]icon-filename=") + cmd );
-        outfile.AddLine( wxT( "\ticon-filename=") + m_aIcons[index] );
-    }
-    else
-    {
-        if (delete_index)
-            outfile.CommentLine(nIndex);
-
-        wxMimeTypeCommands sOld;
-        size_t nOld = nIndex + 1;
-        bool oldEntryEnd = false;
-        while ( (nOld < outfile.GetLineCount() ) && !oldEntryEnd)
-        {
-            sTmp = outfile.GetLine(nOld);
-            if ( (sTmp[0u] == wxT('\t')) || (sTmp[0u] == wxT('#')) )
-            {
-                // we have another line to deal with
-                outfile.CommentLine(nOld);
-                nOld++;
-
-                // add the line to our store
-                if ((!delete_index) && (sTmp[0u] == wxT('\t')))
-                    sOld.Add(sTmp);
-            }
-            // next mimetpye ?? or blank line
-            else
-                oldEntryEnd = true;
-        }
-
-        // list of entries in our data; these should all be in sOld,
-        // though sOld may also contain other entries , eg flags
-        if (!delete_index)
-        {
-            wxMimeTypeCommands * entries = m_aEntries[index];
-            size_t i;
-            for (i=0; i < entries->GetCount(); i++)
-            {
-                // replace any entries in sold that match verbs we know
-                sOld.AddOrReplaceVerb( entries->GetVerb(i), entries->GetCmd(i) );
-            }
-
-            //sOld should also contain the icon
-            if ( !m_aIcons[index].empty() )
-                sOld.AddOrReplaceVerb( wxT("icon-filename"), m_aIcons[index] );
-
-            for (i=0; i < sOld.GetCount(); i++)
-            {
-                sTmp = sOld.GetVerbCmd( i );
-                sTmp.Replace( wxT("%s"), wxT("%f") );
-                sTmp = wxT("\t") + sTmp;
-                nIndex++;
-                outfile.InsertLine( sTmp, nIndex );
-            }
-        }
-    }
-
-    bool bTmp = outfile.Write();
-    return bTmp;
-}
-
-bool wxMimeTypesManagerImpl::WriteGnomeMimeFile(int index, bool delete_index)
-{
-    wxString gnomedir;
-    wxGetHomeDir( &gnomedir );
-
-    wxMimeTextFile outfile( gnomedir + wxT("/.gnome/mime-info/user.mime") );
-    // if this fails probably Gnome is not installed ??
-    // create it anyway as a private mime store
-    if (! outfile.Open() )
-    {
-        if (delete_index)
-            return false;
-        if (!CheckGnomeDirsExist() )
-            return false;
-
-        outfile.Create();
-    }
-
-    wxString strType = m_aTypes[index];
-    int nIndex = outfile.pIndexOf(strType);
-    if ( nIndex == wxNOT_FOUND )
-    {
-        outfile.AddLine( strType );
-        outfile.AddLine( wxT("\text:") + m_aExtensions.Item(index) );
-    }
-    else
-    {
-        if (delete_index)
-        {
-            outfile.CommentLine(nIndex);
-            outfile.CommentLine(nIndex + 1);
-        }
-        else
-        {
-            // check for next line being the right one to replace ??
-            wxString sOld = outfile.GetLine(nIndex + 1);
-            if (sOld.Contains( wxT("\text: ") ))
-            {
-                outfile.GetLine(nIndex + 1) = wxT("\text: ") + m_aExtensions.Item(index);
-            }
-            else
-            {
-                outfile.InsertLine( wxT("\text: ") + m_aExtensions.Item(index), nIndex + 1 );
-            }
-        }
-    }
-
-    bool bTmp = outfile.Write();
-    return bTmp;
-}
-
 void wxMimeTypesManagerImpl::LoadGnomeDataFromKeyFile(const wxString& filename,
                                                       const wxArrayString& dirs)
 {
-    wxTextFile textfile(filename);
-#if defined(__WXGTK20__) && wxUSE_UNICODE
-    if ( !textfile.Open(wxConvUTF8) )
-#else
+    wxMimeTextFile textfile(filename);
     if ( !textfile.Open() )
-#endif
         return;
 
     wxLogTrace(TRACE_MIME, wxT("--- Opened Gnome file %s  ---"),
             filename.c_str());
 
+    wxArrayString search_dirs( dirs );
+
     // values for the entry being parsed
     wxString curMimeType, curIconFile;
     wxMimeTypeCommands * entry = new wxMimeTypeCommands;
 
-    // these are always empty in this file
     wxArrayString strExtensions;
     wxString strDesc;
 
@@ -572,52 +286,82 @@ void wxMimeTypesManagerImpl::LoadGnomeDataFromKeyFile(const wxString& filename,
             wxLogTrace(TRACE_MIME, wxT("--- Reading from Gnome file %s '%s' ---"),
                     filename.c_str(), pc);
 
+            // trim trailing space and tab
+            while ((*pc == wxT(' ')) || (*pc == wxT('\t')))
+                pc++;
+
             wxString sTmp(pc);
-            if (sTmp.Contains(wxT("=")) )
+            int equal_pos = sTmp.Find( wxT('=') );
+            if (equal_pos > 0)
             {
-                if (sTmp.Contains( wxT("icon-filename=") ) )
-                {
-                    // GNOME 1:
-                    curIconFile = sTmp.AfterFirst(wxT('='));
-                }
-                else if (sTmp.Contains( wxT("icon_filename=") ) )
+                wxString left_of_equal = sTmp.Left( equal_pos );
+                const wxChar *right_of_equal = pc;
+                right_of_equal += equal_pos+1;
+
+                if (left_of_equal == wxT("icon_filename"))
                 {
                     // GNOME 2:
-                    curIconFile = sTmp.AfterFirst(wxT('='));
+                    curIconFile = right_of_equal;
 
-                    if (!wxFileExists(curIconFile))
+                    wxFileName newFile( curIconFile );
+                    if (newFile.IsRelative() || newFile.FileExists())
                     {
-                        size_t nDirs = dirs.GetCount();
+                        size_t nDirs = search_dirs.GetCount();
+
                         for (size_t nDir = 0; nDir < nDirs; nDir++)
                         {
-                            wxFileName newFile( curIconFile );
-                            newFile.SetPath( dirs[nDir] );
+                            newFile.SetPath( search_dirs[nDir] );
                             newFile.AppendDir( wxT("pixmaps") );
                             newFile.AppendDir( wxT("document-icons") );
                             newFile.SetExt( wxT("png") );
                             if (newFile.FileExists())
+                            {
                                 curIconFile = newFile.GetFullPath();
+                                // reorder search_dirs for speedup (fewer
+                                // calls to FileExist() required)
+                                if (nDir != 0)
+                                {
+                                    const wxString &tmp = search_dirs[nDir];
+                                    search_dirs.RemoveAt( nDir );
+                                    search_dirs.Insert( tmp, 0 );
+                                }
+                                break;
+                            }
                         }
                     }
                 }
-                else //: some other field,
+                else if (left_of_equal == wxT("open"))
+                {
+                    sTmp = right_of_equal;
+                    sTmp.Replace( wxT("%f"), wxT("%s") );
+                    sTmp.Prepend( wxT("open=") );
+                    entry->Add(sTmp);
+                }
+                else if (left_of_equal == wxT("view"))
+                {
+                    sTmp = right_of_equal;
+                    sTmp.Replace( wxT("%f"), wxT("%s") );
+                    sTmp.Prepend( wxT("view=") );
+                    entry->Add(sTmp);
+                }
+                else if (left_of_equal == wxT("print"))
+                {
+                    sTmp = right_of_equal;
+                    sTmp.Replace( wxT("%f"), wxT("%s") );
+                    sTmp.Prepend( wxT("print=") );
+                    entry->Add(sTmp);
+                }
+                else if (left_of_equal == wxT("description"))
+                {
+                    strDesc = right_of_equal;
+                }
+                else if (left_of_equal == wxT("short_list_application_ids_for_novice_user_level"))
                 {
-                    //may contain lines like this (RH7)
-                    // \t[lang]open.tex."TeX this file"=tex %f
-                    // \tflags.tex.flags=needsterminal
-                    // \topen.latex."LaTeX this file"=latex %f
-                    // \tflags.latex.flags=needsterminal
-
-                    // \topen=xdvi %f
-                    // \tview=xdvi %f
-                    // \topen.convert.Convert file to Postscript=dvips %f -o `basename %f .dvi`.ps
-
-                    // for now ignore lines with flags in...FIX
-                    sTmp = sTmp.AfterLast(wxT(']'));
-                    sTmp = sTmp.AfterLast(wxT('\t'));
-                    sTmp.Trim(false).Trim();
-                    if (0 == sTmp.Replace( wxT("%f"), wxT("%s") ))
-                        sTmp = sTmp + wxT(" %s");
+                    sTmp = right_of_equal;
+                    if (sTmp.Contains( wxT(",") ))
+                        sTmp = sTmp.BeforeFirst( wxT(',') );
+                    sTmp.Prepend( wxT("open=") );
+                    sTmp.Append( wxT(" %s") );
                     entry->Add(sTmp);
                 }
 
@@ -646,13 +390,15 @@ void wxMimeTypesManagerImpl::LoadGnomeDataFromKeyFile(const wxString& filename,
         nLine++;
     } // end of while, save any data
 
-    if (! curMimeType.empty())
+    if ( curMimeType.empty() )
+        delete entry;
+    else
         AddToMimeData( curMimeType, curIconFile, entry, strExtensions, strDesc);
 }
 
 void wxMimeTypesManagerImpl::LoadGnomeMimeTypesFromMimeFile(const wxString& filename)
 {
-    wxTextFile textfile(filename);
+    wxMimeTextFile textfile(filename);
     if ( !textfile.Open() )
         return;
 
@@ -749,6 +495,9 @@ void wxMimeTypesManagerImpl::LoadGnomeMimeFilesFromDir(
     wxString dirname = dirbase;
     dirname << wxT("/mime-info");
 
+    // Don't complain if we don't have permissions to read - it confuses users
+    wxLogNull logNull;
+
     if ( !wxDir::Exists(dirname) )
         return;
 
@@ -960,7 +709,7 @@ bool wxMimeTypesManagerImpl::WriteKDEMimeFile(int index, bool delete_index)
     {
         // holds an extension; need to change it to *.ext;
         wxString e = wxT("*.") + tokenizer.GetNextToken() + wxT(";");
-        sTmp = sTmp + e;
+        sTmp += e;
     }
 
     if (!delete_index)
@@ -1001,13 +750,14 @@ void wxMimeTypesManagerImpl::LoadKDELinksForMimeSubtype(const wxString& dirbase,
                                                const wxString& filename,
                                                const wxArrayString& icondirs)
 {
+    wxFileName fullname(dirbase, filename);
+    wxLogTrace(TRACE_MIME, wxT("loading KDE file %s"),
+                           fullname.GetFullPath().c_str());
+
     wxMimeTextFile file;
-    if ( !file.Open(dirbase + filename) )
+    if ( !file.Open(fullname.GetFullPath()) )
         return;
 
-    wxLogTrace(TRACE_MIME, wxT("loading KDE file %s"),
-                           (dirbase + filename).c_str());
-
     wxMimeTypeCommands * entry = new wxMimeTypeCommands;
     wxArrayString sExts;
     wxString mimetype, mime_desc, strIcon;
@@ -1127,7 +877,7 @@ void wxMimeTypesManagerImpl::LoadKDELinksForMimeSubtype(const wxString& dirbase,
         // we expect %f; others including  %F and %U and %u are possible
         wxString sTmp = file.GetCmd(nIndex);
         if (0 == sTmp.Replace( wxT("%f"), wxT("%s") ))
-            sTmp = sTmp + wxT(" %s");
+            sTmp += wxT(" %s");
         entry->AddOrReplaceVerb(wxString(wxT("open")), sTmp );
     }
 
@@ -1138,55 +888,49 @@ void wxMimeTypesManagerImpl::LoadKDELinksForMimeType(const wxString& dirbase,
                                             const wxString& subdir,
                                             const wxArrayString& icondirs)
 {
-    wxString dirname = dirbase;
-    dirname += subdir;
-    wxDir dir(dirname);
-    if ( !dir.IsOpened() )
+    wxFileName dirname(dirbase, wxEmptyString);
+    dirname.AppendDir(subdir);
+
+    // Don't complain if we don't have permissions to read - it confuses users
+    wxLogNull logNull;
+
+    wxDir dir(dirname.GetPath());
+    if(! dir.IsOpened())
         return;
 
     wxLogTrace(TRACE_MIME, wxT("--- Loading from KDE directory %s  ---"),
-                           dirname.c_str());
-
-    dirname += wxT('/');
+                           dirname.GetPath().c_str());
 
     wxString filename;
     bool cont = dir.GetFirst(&filename, wxT("*.kdelnk"), wxDIR_FILES);
-    while ( cont )
-    {
-        LoadKDELinksForMimeSubtype(dirname, subdir, filename, icondirs);
-
+    while(cont) {
+        LoadKDELinksForMimeSubtype(dirname.GetPath(), subdir,
+                                   filename, icondirs);
         cont = dir.GetNext(&filename);
     }
 
     // new standard for Gnome and KDE
     cont = dir.GetFirst(&filename, wxT("*.desktop"), wxDIR_FILES);
-    while ( cont )
-    {
-        LoadKDELinksForMimeSubtype(dirname, subdir, filename, icondirs);
-
+    while(cont) {
+        LoadKDELinksForMimeSubtype(dirname.GetPath(), subdir,
+                                   filename, icondirs);
         cont = dir.GetNext(&filename);
     }
 }
 
-void wxMimeTypesManagerImpl::LoadKDELinkFilesFromDir(const wxString& dirbase,
+void wxMimeTypesManagerImpl::LoadKDELinkFilesFromDir(const wxString& dirname,
                                             const wxArrayString& icondirs)
 {
-    wxASSERT_MSG( !dirbase.empty() && !wxEndsWithPathSeparator(dirbase),
-                  wxT("base directory shouldn't end with a slash") );
-
-    wxString dirname = dirbase;
-    dirname << wxT("/mimelnk");
+    // Don't complain if we don't have permissions to read - it confuses users
+    wxLogNull logNull;
 
-    if ( !wxDir::Exists(dirname) )
+    if(! wxDir::Exists(dirname))
         return;
 
     wxDir dir(dirname);
     if ( !dir.IsOpened() )
         return;
 
-    // we will concatenate it with dir name to get the full path below
-    dirname += wxT('/');
-
     wxString subdir;
     bool cont = dir.GetFirst(&subdir, wxEmptyString, wxDIR_DIRS);
     while ( cont )
@@ -1197,131 +941,331 @@ void wxMimeTypesManagerImpl::LoadKDELinkFilesFromDir(const wxString& dirbase,
     }
 }
 
-void wxMimeTypesManagerImpl::GetKDEMimeInfo(const wxString& sExtraDir)
+// Read a KDE .desktop file of type 'Application'
+void wxMimeTypesManagerImpl::LoadKDEApp(const wxString& filename)
 {
-    wxArrayString dirs;
-    wxArrayString icondirs;
+    wxLogTrace(TRACE_MIME, wxT("loading KDE file %s"), filename.c_str());
 
-    // FIXME: This code is heavily broken. There are three bugs in it:
-    //        1) it uses only KDEDIR, which is deprecated, instead of using
-    //           list of paths from KDEDIRS and using KDEDIR only if KDEDIRS
-    //           is not set
-    //        2) it doesn't look into ~/.kde/share/config/kdeglobals where
-    //           user's settings are stored and thus *ignores* user's settings
-    //           instead of respecting them
-    //        3) it "tries to guess KDEDIR" and "tries a few likely theme
-    //           names", both of which is completely arbitrary; instead, the
-    //           code should give up if KDEDIR(S) is not set and/or the icon
-    //           theme cannot be determined, because it means that the user is
-    //           not using KDE (and thus is not interested in KDE icons anyway)
-
-    // the variable $KDEDIR is set when KDE is running
-    wxString kdedir = wxGetenv( wxT("KDEDIR") );
-
-    if (!kdedir.empty())
-    {
-        // $(KDEDIR)/share/config/kdeglobals holds info
-        // the current icons theme
-        wxFileName configFile( kdedir, wxEmptyString );
-        configFile.AppendDir( wxT("share") );
-        configFile.AppendDir( wxT("config") );
-        configFile.SetName( wxT("kdeglobals") );
-
-        wxTextFile config;
-        if (configFile.FileExists() && config.Open(configFile.GetFullPath()))
-        {
-            // $(KDEDIR)/share/config -> $(KDEDIR)/share
-            configFile.RemoveDir( configFile.GetDirCount() - 1 );
-            // $(KDEDIR)/share/ -> $(KDEDIR)/share/icons
-            configFile.AppendDir( wxT("icons") );
-
-            // Check for entry
-            wxString theme(wxT("default.kde"));
-            size_t cnt = config.GetLineCount();
-            for (size_t i = 0; i < cnt; i++)
-            {
-                if (config[i].StartsWith(wxT("Theme="), &theme/*rest*/))
-                    break;
-            }
+    wxMimeTextFile file;
+    if ( !file.Open(filename) )
+        return;
 
-            configFile.AppendDir(theme);
-        }
-        else
-        {
-            // $(KDEDIR)/share/config -> $(KDEDIR)/share
-            configFile.RemoveDir( configFile.GetDirCount() - 1 );
+    // Here, only type 'Application' should be considered.
+    int nIndex = file.pIndexOf( wxT("Type=") );
+    if (nIndex != wxNOT_FOUND &&
+        file.GetCmd(nIndex).Lower() != wxT("application"))
+        return;
+
+    // The hidden entry specifies a file to be ignored.
+    nIndex = file.pIndexOf( wxT("Hidden=") );
+    if (nIndex != wxNOT_FOUND && file.GetCmd(nIndex).Lower() == wxT("true"))
+        return;
 
-            // $(KDEDIR)/share/ -> $(KDEDIR)/share/icons
-            configFile.AppendDir( wxT("icons") );
+    // Semicolon separated list of mime types handled by the application.
+    nIndex = file.pIndexOf( wxT("MimeType=") );
+    if (nIndex == wxNOT_FOUND)
+        return;
+    wxString mimetypes = file.GetCmd (nIndex);
 
-            // $(KDEDIR)/share/icons -> $(KDEDIR)/share/icons/default.kde
-            configFile.AppendDir( wxT("default.kde") );
+    // Name of the application
+    wxString nameapp;
+    nIndex = wxNOT_FOUND;
+#if wxUSE_INTL // try "Name[locale name]" first
+    wxLocale *locale = wxGetLocale();
+    if ( locale )
+        nIndex = file.pIndexOf(_T("Name[")+locale->GetName()+_T("]="));
+#endif // wxUSE_INTL
+    if(nIndex == wxNOT_FOUND)
+        nIndex = file.pIndexOf( wxT("Name=") );
+    if(nIndex != wxNOT_FOUND)
+        nameapp = file.GetCmd(nIndex);
+
+    // Icon of the application.
+    wxString nameicon, namemini;
+    nIndex = wxNOT_FOUND;
+#if wxUSE_INTL // try "Icon[locale name]" first
+    if ( locale )
+        nIndex = file.pIndexOf(_T("Icon[")+locale->GetName()+_T("]="));
+#endif // wxUSE_INTL
+    if(nIndex == wxNOT_FOUND)
+        nIndex = file.pIndexOf( wxT("Icon=") );
+    if(nIndex != wxNOT_FOUND) {
+        nameicon = wxString(wxT("--icon ")) + file.GetCmd(nIndex);
+        namemini = wxString(wxT("--miniicon ")) + file.GetCmd(nIndex);
+    }
+
+    // Replace some of the field code in the 'Exec' entry.
+    // TODO: deal with %d, %D, %n, %N, %k and %v (but last one is deprecated)
+    nIndex = file.pIndexOf( wxT("Exec=") );
+    if (nIndex == wxNOT_FOUND)
+        return;
+    wxString sCmd = file.GetCmd(nIndex);
+    // we expect %f; others including  %F and %U and %u are possible
+    sCmd.Replace(wxT("%F"), wxT("%f"));
+    sCmd.Replace(wxT("%U"), wxT("%f"));
+    sCmd.Replace(wxT("%u"), wxT("%f"));
+    if (0 == sCmd.Replace ( wxT("%f"), wxT("%s") ))
+        sCmd = sCmd + wxT(" %s");
+    sCmd.Replace(wxT("%c"), nameapp);
+    sCmd.Replace(wxT("%i"), nameicon);
+    sCmd.Replace(wxT("%m"), namemini);
+
+    wxStringTokenizer tokenizer(mimetypes, _T(";"));
+    while(tokenizer.HasMoreTokens()) {
+        wxString mimetype = tokenizer.GetNextToken().Lower();
+        nIndex = m_aTypes.Index(mimetype);
+        if(nIndex != wxNOT_FOUND) { // is this a known MIME type?
+            wxMimeTypeCommands* entry = m_aEntries[nIndex];
+            entry->AddOrReplaceVerb(wxT("open"), sCmd);
         }
+    }
+}
 
-        configFile.SetName( wxEmptyString );
-        configFile.AppendDir( wxT("32x32") );
-        configFile.AppendDir( wxT("mimetypes") );
+void wxMimeTypesManagerImpl::LoadKDEAppsFilesFromDir(const wxString& dirname)
+{
+    // Don't complain if we don't have permissions to read - it confuses users
+    wxLogNull logNull;
 
-        // Just try a few likely icons theme names
+    if(! wxDir::Exists(dirname))
+        return;
+    wxDir dir(dirname);
+    if ( !dir.IsOpened() )
+        return;
 
-        int pos = configFile.GetDirCount() - 3;
+    wxString filename;
+    // Look into .desktop files
+    bool cont = dir.GetFirst(&filename, _T("*.desktop"), wxDIR_FILES);
+    while(cont) {
+        wxFileName p(dirname, filename);
+        LoadKDEApp( p.GetFullPath() );
+        cont = dir.GetNext(&filename);
+    }
+    // Look recursively into subdirs
+    cont = dir.GetFirst(&filename, wxEmptyString, wxDIR_DIRS);
+    while(cont) {
+        wxFileName p(dirname, wxEmptyString);
+        p.AppendDir(filename);
+        LoadKDEAppsFilesFromDir( p.GetPath() );
+        cont = dir.GetNext(&filename);
+    }
+}
 
-        if (!wxDir::Exists(configFile.GetPath()))
-        {
-            configFile.RemoveDir( pos );
-            configFile.InsertDir( pos, wxT("default.kde") );
-        }
+// Return base KDE directories.
+// 1) Environment variable $KDEHOME, or "~/.kde" if not set.
+// 2) List of directories in colon separated environment variable $KDEDIRS.
+// 3) Environment variable $KDEDIR in case $KDEDIRS is not set.
+// Notice at least the local kde directory is added to the list. If it is the
+// only one, use later the application 'kde-config' to get additional paths.
+static void GetKDEBaseDirs(wxArrayString& basedirs)
+{
+    wxString env = wxGetenv( wxT("KDEHOME") );
+    if(env.IsEmpty())
+        env = wxGetHomeDir() + wxT("/.kde");
+    basedirs.Add(env);
+
+    env = wxGetenv( wxT("KDEDIRS") );
+    if(env.IsEmpty()) {
+        env = wxGetenv( wxT("KDEDIR") );
+        if(! env.IsEmpty())
+            basedirs.Add(env);
+    } else {
+        wxStringTokenizer tokenizer(env, wxT(":"));
+        while(tokenizer.HasMoreTokens())
+            basedirs.Add( tokenizer.GetNextToken() );
+    }
+}
 
-        if (!wxDir::Exists(configFile.GetPath()))
-        {
-            configFile.RemoveDir( pos );
-            configFile.InsertDir( pos, wxT("default") );
-        }
+static wxString ReadPathFromKDEConfig(const wxString& request)
+{
+    wxString str;
+    wxArrayString output;
+    if(wxExecute(wxT("kde-config --path ")+request, output) == 0 &&
+       output.GetCount() > 0)
+        str = output.Item(0);
+    return str;
+}
 
-        if (!wxDir::Exists(configFile.GetPath()))
+// Try to find the "Theme" entry in the configuration file, provided it exists.
+static wxString GetKDEThemeInFile(const wxFileName& filename)
+{
+    wxString theme;
+    wxMimeTextFile config;
+    if ( filename.FileExists() && config.Open(filename.GetFullPath()) )
+    {
+        size_t cnt = config.GetLineCount();
+        for ( size_t i = 0; i < cnt; i++ )
         {
-            configFile.RemoveDir( pos );
-            configFile.InsertDir( pos, wxT("crystalsvg") );
+            if ( config[i].StartsWith(wxT("Theme="), &theme) )
+                break;
         }
+    }
 
-        if (!wxDir::Exists(configFile.GetPath()))
-        {
-            configFile.RemoveDir( pos );
-            configFile.InsertDir( pos, wxT("crystal") );
+    return theme;
+}
+
+// Try to find a file "kdeglobals" in one of the directories and read the
+// "Theme" entry there.
+static wxString GetKDETheme(const wxArrayString& basedirs)
+{
+    wxString theme;
+    for(size_t i = 0; i < basedirs.GetCount(); i++) {
+        wxFileName filename(basedirs.Item(i), wxEmptyString);
+        filename.AppendDir( wxT("share") );
+        filename.AppendDir( wxT("config") );
+        filename.SetName( wxT("kdeglobals") );
+        theme = GetKDEThemeInFile(filename);
+        if(! theme.IsEmpty())
+            return theme;
+    }
+    // If $KDEDIRS and $KDEDIR were set, we try nothing more. Otherwise, we
+    // try to get the configuration file with 'kde-config'.
+    if(basedirs.GetCount() > 1)
+        return theme;
+    wxString paths = ReadPathFromKDEConfig(wxT("config"));
+    if(! paths.IsEmpty()) {
+        wxStringTokenizer tokenizer(paths, wxT(":"));
+        while( tokenizer.HasMoreTokens() ) {
+            wxFileName filename(tokenizer.GetNextToken(), wxT("kdeglobals"));
+            theme = GetKDEThemeInFile(filename);
+            if(! theme.IsEmpty())
+                return theme;
+        }
+    }
+    return theme;
+}
+
+// Get list of directories of icons.
+static void GetKDEIconDirs(const wxArrayString& basedirs,
+                           wxArrayString& icondirs)
+{
+    wxString theme = GetKDETheme(basedirs);
+    if(theme.IsEmpty())
+        theme = wxT("default.kde");
+
+    for(size_t i = 0; i < basedirs.GetCount(); i++) {
+        wxFileName dirname(basedirs.Item(i), wxEmptyString);
+        dirname.AppendDir( wxT("share") );
+        dirname.AppendDir( wxT("icons") );
+        dirname.AppendDir(theme);
+        dirname.AppendDir( wxT("32x32") );
+        dirname.AppendDir( wxT("mimetypes") );
+        if( wxDir::Exists( dirname.GetPath() ) )
+            icondirs.Add( dirname.GetPath() );
+    }
+
+    // If $KDEDIRS and $KDEDIR were not set, use 'kde-config'
+    if(basedirs.GetCount() > 1)
+        return;
+    wxString paths = ReadPathFromKDEConfig(wxT("icon"));
+    if(! paths.IsEmpty()) {
+        wxStringTokenizer tokenizer(paths, wxT(":"));
+        while( tokenizer.HasMoreTokens() ) {
+            wxFileName dirname(tokenizer.GetNextToken(), wxEmptyString);
+            dirname.AppendDir(theme);
+            dirname.AppendDir( wxT("32x32") );
+            dirname.AppendDir( wxT("mimetypes") );
+            if(icondirs.Index(dirname.GetPath()) == wxNOT_FOUND &&
+               wxDir::Exists( dirname.GetPath() ) )
+                icondirs.Add( dirname.GetPath() );
         }
+    }
+}
 
-        if (wxDir::Exists(configFile.GetPath()))
-            icondirs.Add( configFile.GetFullPath() );
+// Get list of directories of mime types.
+static void GetKDEMimeDirs(const wxArrayString& basedirs,
+                           wxArrayString& mimedirs)
+{
+    for(size_t i = 0; i < basedirs.GetCount(); i++) {
+        wxFileName dirname(basedirs.Item(i), wxEmptyString);
+        dirname.AppendDir( wxT("share") );
+        dirname.AppendDir( wxT("mimelnk") );
+        if( wxDir::Exists( dirname.GetPath() ) )
+            mimedirs.Add( dirname.GetPath() );
     }
 
-    // settings in ~/.kde have maximal priority
-    dirs.Add(wxGetHomeDir() + wxT("/.kde/share"));
-    icondirs.Add(wxGetHomeDir() + wxT("/.kde/share/icons/"));
+    // If $KDEDIRS and $KDEDIR were not set, use 'kde-config'
+    if(basedirs.GetCount() > 1)
+        return;
+    wxString paths = ReadPathFromKDEConfig(wxT("mime"));
+    if(! paths.IsEmpty()) {
+        wxStringTokenizer tokenizer(paths, wxT(":"));
+        while( tokenizer.HasMoreTokens() ) {
+            wxFileName p(tokenizer.GetNextToken(), wxEmptyString);
+            wxString dirname = p.GetPath(); // To remove possible trailing '/'
+            if(mimedirs.Index(dirname) == wxNOT_FOUND &&
+               wxDir::Exists(dirname) )
+                mimedirs.Add(dirname);
+        }
+    }
+}
 
-    if (kdedir)
-    {
-        dirs.Add( wxString(kdedir) + wxT("/share") );
-        icondirs.Add( wxString(kdedir) + wxT("/share/icons/") );
+// Get list of directories of application desktop files.
+static void GetKDEAppsDirs(const wxArrayString& basedirs,
+                           wxArrayString& appsdirs)
+{
+    for(size_t i = 0; i < basedirs.GetCount(); i++) {
+        wxFileName dirname(basedirs.Item(i), wxEmptyString);
+        dirname.AppendDir( wxT("share") );
+        dirname.AppendDir( wxT("applnk") );
+        if( wxDir::Exists( dirname.GetPath() ) )
+            appsdirs.Add( dirname.GetPath() );
     }
-    else
-    {
-        // try to guess KDEDIR
-        dirs.Add(wxT("/usr/share"));
-        dirs.Add(wxT("/opt/kde/share"));
-        icondirs.Add(wxT("/usr/share/icons/"));
-        icondirs.Add(wxT("/usr/X11R6/share/icons/")); // Debian/Corel linux
-        icondirs.Add(wxT("/opt/kde/share/icons/"));
+
+    // If $KDEDIRS and $KDEDIR were not set, use 'kde-config'
+    if(basedirs.GetCount() > 1)
+        return;
+    wxString paths = ReadPathFromKDEConfig(wxT("apps"));
+    if(! paths.IsEmpty()) {
+        wxStringTokenizer tokenizer(paths, wxT(":"));
+        while( tokenizer.HasMoreTokens() ) {
+            wxFileName p(tokenizer.GetNextToken(), wxEmptyString);
+            wxString dirname = p.GetPath(); // To remove possible trailing '/'
+            if(appsdirs.Index(dirname) == wxNOT_FOUND &&
+               wxDir::Exists(dirname) )
+                appsdirs.Add(dirname);
+        }
+    }
+    paths = ReadPathFromKDEConfig(wxT("xdgdata-apps"));
+    if(! paths.IsEmpty()) {
+        wxStringTokenizer tokenizer(paths, wxT(":"));
+        while( tokenizer.HasMoreTokens() ) {
+            wxFileName p(tokenizer.GetNextToken(), wxEmptyString);
+            wxString dirname = p.GetPath(); // To remove possible trailing '/'
+            if(appsdirs.Index(dirname) == wxNOT_FOUND &&
+               wxDir::Exists(dirname) )
+                appsdirs.Add(dirname);
+        }
     }
+}
 
-    if (!sExtraDir.empty())
-        dirs.Add(sExtraDir);
-    icondirs.Add(sExtraDir + wxT("/icons"));
+// Fill database with all mime types.
+void wxMimeTypesManagerImpl::GetKDEMimeInfo(const wxString& sExtraDir)
+{
+    wxArrayString basedirs;
+    GetKDEBaseDirs(basedirs);
 
-    size_t nDirs = dirs.GetCount();
-    for ( size_t nDir = 0; nDir < nDirs; nDir++ )
-    {
-        LoadKDELinkFilesFromDir(dirs[nDir], icondirs);
-    }
+    wxArrayString icondirs;
+    GetKDEIconDirs(basedirs, icondirs);
+    wxArrayString mimedirs;
+    GetKDEMimeDirs(basedirs, mimedirs);
+    wxArrayString appsdirs;
+    GetKDEAppsDirs(basedirs, appsdirs);
+
+    if(! sExtraDir.IsEmpty()) {
+        icondirs.Add(sExtraDir + wxT("/icons"));
+        mimedirs.Add(sExtraDir + wxT("/mimelnk"));
+        appsdirs.Add(sExtraDir + wxT("/applnk"));
+    }
+
+    // Load mime types
+    size_t nDirs = mimedirs.GetCount(), nDir;
+    for(nDir = 0; nDir < nDirs; nDir++)
+        LoadKDELinkFilesFromDir(mimedirs[nDir], icondirs);
+
+    // Load application files and associate them to corresponding mime types.
+    nDirs = appsdirs.GetCount();
+    for(nDir = 0; nDir < nDirs; nDir++)
+        LoadKDEAppsFilesFromDir(appsdirs[nDir]);
 }
 
 // ----------------------------------------------------------------------------
@@ -1365,7 +1309,8 @@ bool wxFileTypeImpl::GetIcon(wxIconLocation *iconLoc) const
 bool wxFileTypeImpl::GetMimeTypes(wxArrayString& mimeTypes) const
 {
     mimeTypes.Clear();
-    for (size_t i = 0; i < m_index.GetCount(); i++)
+    size_t nCount = m_index.GetCount();
+    for (size_t i = 0; i < nCount; i++)
         mimeTypes.Add(m_manager->m_aTypes[m_index[i]]);
 
     return true;
@@ -1398,13 +1343,17 @@ size_t wxFileTypeImpl::GetAllCommands(wxArrayString *verbs,
                  count++;
                  if ( vrb.IsSameAs(wxT("open")))
                  {
-                     verbs->Insert(vrb, 0u);
-                     commands ->Insert(cmd, 0u);
+                     if ( verbs )
+                        verbs->Insert(vrb, 0u);
+                     if ( commands )
+                        commands ->Insert(cmd, 0u);
                  }
                  else
                  {
-                     verbs->Add(vrb);
-                     commands->Add(cmd);
+                     if ( verbs )
+                        verbs->Add(vrb);
+                     if ( commands )
+                        commands->Add(cmd);
                  }
              }
         }
@@ -1415,14 +1364,15 @@ size_t wxFileTypeImpl::GetAllCommands(wxArrayString *verbs,
 
 bool wxFileTypeImpl::GetExtensions(wxArrayString& extensions)
 {
-    wxString strExtensions = m_manager->GetExtension(m_index[0]);
+    const wxString strExtensions = m_manager->GetExtension(m_index[0]);
     extensions.Empty();
 
     // one extension in the space or comma-delimited list
     wxString strExt;
-    for ( const wxChar *p = strExtensions; /* nothing */; p++ )
+    wxString::const_iterator end = strExtensions.end();
+    for ( wxString::const_iterator p = strExtensions.begin(); /* nothing */; ++p )
     {
-        if ( *p == wxT(' ') || *p == wxT(',') || *p == wxT('\0') )
+        if ( p == end || *p == wxT(' ') || *p == wxT(',') )
         {
             if ( !strExt.empty() )
             {
@@ -1432,7 +1382,7 @@ bool wxFileTypeImpl::GetExtensions(wxArrayString& extensions)
             //else: repeated spaces
             // (shouldn't happen, but it's not that important if it does happen)
 
-            if ( *p == wxT('\0') )
+            if ( p == end )
                 break;
         }
         else if ( *p == wxT('.') )
@@ -1465,26 +1415,39 @@ wxFileTypeImpl::SetCommand(const wxString& cmd,
     wxArrayString strExtensions;
     wxString strDesc, strIcon;
 
-    wxMimeTypeCommands *entry = new wxMimeTypeCommands();
-    entry->Add(verb + wxT("=")  + cmd + wxT(" %s "));
-
     wxArrayString strTypes;
     GetMimeTypes(strTypes);
-    if (strTypes.GetCount() < 1)
+    if ( strTypes.IsEmpty() )
         return false;
 
-    size_t i;
-    bool ok = true;
-    for (i = 0; i < strTypes.GetCount(); i++)
+    wxMimeTypeCommands *entry = new wxMimeTypeCommands();
+    entry->Add(verb + wxT("=")  + cmd + wxT(" %s "));
+
+    bool ok = false;
+    size_t nCount = strTypes.GetCount();
+    for ( size_t i = 0; i < nCount; i++ )
     {
-        if (!m_manager->DoAssociation(strTypes[i], strIcon, entry, strExtensions, strDesc))
-            ok = false;
+        if ( m_manager->DoAssociation
+                        (
+                            strTypes[i],
+                            strIcon,
+                            entry,
+                            strExtensions,
+                            strDesc
+                        ) )
+        {
+            // DoAssociation() took ownership of entry, don't delete it below
+            ok = true;
+        }
     }
 
+    if ( !ok )
+        delete entry;
+
     return ok;
 }
 
-// ignore index on the grouds that we only have one icon in a Unix file
+// ignore index on the grounds that we only have one icon in a Unix file
 bool wxFileTypeImpl::SetDefaultIcon(const wxString& strIcon, int WXUNUSED(index))
 {
     if (strIcon.empty())
@@ -1499,22 +1462,28 @@ bool wxFileTypeImpl::SetDefaultIcon(const wxString& strIcon, int WXUNUSED(index)
         return false;
 
     wxMimeTypeCommands *entry = new wxMimeTypeCommands();
-    bool ok = true;
-    for ( size_t i = 0; i < strTypes.GetCount(); i++ )
+    bool ok = false;
+    size_t nCount = strTypes.GetCount();
+    for ( size_t i = 0; i < nCount; i++ )
     {
-        if ( !m_manager->DoAssociation
-                         (
+        if ( m_manager->DoAssociation
+                        (
                             strTypes[i],
                             strIcon,
                             entry,
                             strExtensions,
                             strDesc
-                         ) )
+                        ) )
         {
-            ok = false;
+            // we don't need to free entry now, DoAssociation() took ownership
+            // of it
+            ok = true;
         }
     }
 
+    if ( !ok )
+        delete entry;
+
     return ok;
 }
 
@@ -1534,19 +1503,15 @@ void wxMimeTypesManagerImpl::InitIfNeeded()
     {
         // set the flag first to prevent recursion
         m_initialized = true;
-
-#if 1
-    Initialize();
-#else
-    wxString wm = wxGetenv( wxT("WINDOWMANAGER") );
-
-    if (wm.Find( wxT("kde") ) != wxNOT_FOUND)
-        Initialize( wxMAILCAP_KDE | wxMAILCAP_STANDARD );
-    else if (wm.Find( wxT("gnome") ) != wxNOT_FOUND)
-        Initialize( wxMAILCAP_GNOME | wxMAILCAP_STANDARD );
-    else
-        Initialize();
-#endif
+        
+        wxString wm = wxTheApp->GetTraits()->GetDesktopEnvironment();
+        
+        if (wm == wxT("KDE"))
+            Initialize( wxMAILCAP_KDE  );
+        else if (wm == wxT("GNOME"))
+            Initialize( wxMAILCAP_GNOME );
+        else
+            Initialize();
     }
 }
 
@@ -1563,9 +1528,11 @@ void wxMimeTypesManagerImpl::Initialize(int mailcapStyles,
     if (mailcapStyles & wxMAILCAP_GNOME)
         GetGnomeMimeInfo(sExtraDir);
 
-    // read KDE tables
+    // read KDE tables which are never installed on OpenVMS
+#ifndef __VMS
     if (mailcapStyles & wxMAILCAP_KDE)
         GetKDEMimeInfo(sExtraDir);
+#endif
 
     m_mailcapStylesInited |= mailcapStyles;
 }
@@ -1616,20 +1583,21 @@ void wxMimeTypesManagerImpl::GetMimeInfo(const wxString& sExtraDir)
     if (!sExtraDir.empty())
         dirs.Add( sExtraDir + wxT("/") );
 
+    wxString file;
     size_t nDirs = dirs.GetCount();
     for ( size_t nDir = 0; nDir < nDirs; nDir++ )
     {
-        wxString file = dirs[nDir] + wxT("mailcap");
+        file = dirs[nDir];
+        file += wxT("mailcap");
         if ( wxFile::Exists(file) )
         {
             ReadMailcap(file);
         }
 
-        file = dirs[nDir] + wxT("mime.types");
+        file = dirs[nDir];
+        file += wxT("mime.types");
         if ( wxFile::Exists(file) )
-        {
             ReadMimeTypes(file);
-        }
     }
 }
 
@@ -1665,7 +1633,7 @@ bool wxMimeTypesManagerImpl::WriteToMimeTypes(int index, bool delete_index)
         nIndex = file.pIndexOf(wxT("#--Netscape"));
         if (nIndex != wxNOT_FOUND)
         {
-            wxASSERT_MSG(false,wxT("Error in .mime.types \nTrying to mix Netscape and Metamail formats\nFile not modiifed"));
+            wxFAIL_MSG(wxT("Error in .mime.types\nTrying to mix Netscape and Metamail formats\nFile not modified"));
             return false;
         }
 
@@ -1682,7 +1650,7 @@ bool wxMimeTypesManagerImpl::WriteToMimeTypes(int index, bool delete_index)
         {
             // add the new entries in
             wxString sTmp = strType.Append( wxT(' '), 40 - strType.Len() );
-            sTmp = sTmp + m_aExtensions[index];
+            sTmp += m_aExtensions[index];
             file.AddLine(sTmp);
         }
 
@@ -1732,7 +1700,7 @@ bool wxMimeTypesManagerImpl::WriteToNSMimeTypes(int index, bool delete_index)
             // metamail entreies
             if (file.GetLineCount() > 0)
             {
-                wxASSERT_MSG(false, wxT(".mime.types File not in Netscape format\nNo entries written to\n.mime.types or to .mailcap"));
+                wxFAIL_MSG(wxT(".mime.types File not in Netscape format\nNo entries written to\n.mime.types or to .mailcap"));
                 return false;
             }
 
@@ -1851,7 +1819,7 @@ bool wxMimeTypesManagerImpl::WriteToMailCap(int index, bool delete_index)
                 file.GetLineCount()) file.CommentLine(nIndex);
         }
 
-        sTmp = sTmp + wxT(";") + sCmd; //includes wxT(" %s ");
+        sTmp += wxT(";") + sCmd; //includes wxT(" %s ");
 
         // write it in the format that Netscape uses (default)
         if (! ( m_mailcapStylesInited & wxMAILCAP_STANDARD ) )
@@ -1889,7 +1857,8 @@ bool wxMimeTypesManagerImpl::WriteToMailCap(int index, bool delete_index)
                         bKnownToken = true;
 
                     size_t i;
-                    for (i=0; i < entries->GetCount(); i++)
+                    size_t nCount = entries->GetCount();
+                    for (i=0; i < nCount; i++)
                     {
                         if (s.Contains(entries->GetVerb(i)))
                             bKnownToken = true;
@@ -1897,7 +1866,7 @@ bool wxMimeTypesManagerImpl::WriteToMailCap(int index, bool delete_index)
 
                     if (!bKnownToken)
                     {
-                        sTmp = sTmp + wxT("; \\");
+                        sTmp += wxT("; \\");
                         file.InsertLine(sTmp, nIndex);
                         sTmp = s;
                     }
@@ -1908,7 +1877,7 @@ bool wxMimeTypesManagerImpl::WriteToMailCap(int index, bool delete_index)
 
             if (! m_aDescriptions[index].empty() )
             {
-                sTmp = sTmp + wxT("; \\");
+                sTmp += wxT("; \\");
                 file.InsertLine(sTmp, nIndex);
                 nIndex++;
                 sTmp = wxT("       description=\"") + m_aDescriptions[index] + wxT("\"");
@@ -1916,7 +1885,7 @@ bool wxMimeTypesManagerImpl::WriteToMailCap(int index, bool delete_index)
 
             if (! m_aIcons[index].empty() )
             {
-                sTmp = sTmp + wxT("; \\");
+                sTmp += wxT("; \\");
                 file.InsertLine(sTmp, nIndex);
                 nIndex++;
                 sTmp = wxT("       x11-bitmap=\"") + m_aIcons[index] + wxT("\"");
@@ -1928,7 +1897,7 @@ bool wxMimeTypesManagerImpl::WriteToMailCap(int index, bool delete_index)
                 for (i=0; i < entries->GetCount(); i++)
                     if ( i != iOpen )
                     {
-                        sTmp = sTmp + wxT("; \\");
+                        sTmp += wxT("; \\");
                         file.InsertLine(sTmp, nIndex);
                         nIndex++;
                         sTmp = wxT("       ") + entries->GetVerbCmd(i);
@@ -1965,14 +1934,16 @@ wxFileType * wxMimeTypesManagerImpl::Associate(const wxFileTypeInfo& ftInfo)
     wxArrayString sA_Exts = ftInfo.GetExtensions();
     wxString sExt, sExtStore;
     size_t i, nIndex;
-    for (i=0; i < sA_Exts.GetCount(); i++)
+    size_t nExtCount = sA_Exts.GetCount();
+    for (i=0; i < nExtCount; i++)
     {
         sExt = sA_Exts.Item(i);
 
         // clean up to just a space before and after
         sExt.Trim().Trim(false);
         sExt = wxT(' ') + sExt + wxT(' ');
-        for (nIndex = 0; nIndex < m_aExtensions.GetCount(); nIndex++)
+        size_t nCount = m_aExtensions.GetCount();
+        for (nIndex = 0; nIndex < nCount; nIndex++)
         {
             sExtStore = m_aExtensions.Item(nIndex);
             if (sExtStore.Replace(sExt, wxT(" ") ) > 0)
@@ -2020,13 +1991,8 @@ bool wxMimeTypesManagerImpl::WriteMimeInfo(int nIndex, bool delete_mime )
                 ok = false;
     }
 
-    if (m_mailcapStylesInited & wxMAILCAP_GNOME)
-    {
-        // write in Gnome format;
-        if (WriteGnomeMimeFile(nIndex, delete_mime) )
-            if (WriteGnomeKeyFile(nIndex, delete_mime) )
-                ok = false;
-    }
+    // Don't write GNOME files here as this is not
+    // allowed and simply doesn't work
 
     if (m_mailcapStylesInited & wxMAILCAP_KDE)
     {
@@ -2119,10 +2085,12 @@ int wxMimeTypesManagerImpl::AddToMimeData(const wxString& strType,
     wxString& exts = m_aExtensions[nIndex];
 
     // add all extensions we don't have yet
+    wxString ext;
     size_t count = strExtensions.GetCount();
     for ( size_t i = 0; i < count; i++ )
     {
-        wxString ext = strExtensions[i] + wxT(' ');
+        ext = strExtensions[i];
+        ext += wxT(' ');
 
         if ( exts.Find(ext) == wxNOT_FOUND )
         {
@@ -2131,10 +2099,10 @@ int wxMimeTypesManagerImpl::AddToMimeData(const wxString& strType,
     }
 
     // check data integrity
-    wxASSERT( m_aTypes.Count() == m_aEntries.Count() &&
-              m_aTypes.Count() == m_aExtensions.Count() &&
-              m_aTypes.Count() == m_aIcons.Count() &&
-              m_aTypes.Count() == m_aDescriptions.Count() );
+    wxASSERT( m_aTypes.GetCount() == m_aEntries.GetCount() &&
+              m_aTypes.GetCount() == m_aExtensions.GetCount() &&
+              m_aTypes.GetCount() == m_aIcons.GetCount() &&
+              m_aTypes.GetCount() == m_aDescriptions.GetCount() );
 
     return nIndex;
 }
@@ -2192,7 +2160,7 @@ wxFileType * wxMimeTypesManagerImpl::GetFileTypeFromMimeType(const wxString& mim
     index = wxNOT_FOUND;
     wxString strCategory = mimetype.BeforeFirst(wxT('/'));
 
-    size_t nCount = m_aTypes.Count();
+    size_t nCount = m_aTypes.GetCount();
     for ( size_t n = 0; n < nCount; n++ )
     {
         if ( (m_aTypes[n].BeforeFirst(wxT('/')) == strCategory ) &&
@@ -2223,7 +2191,8 @@ wxString wxMimeTypesManagerImpl::GetCommand(const wxString & verb, size_t nIndex
     wxMimeTypeCommands * sPairs = m_aEntries [nIndex];
 
     size_t i;
-    for ( i = 0; i < sPairs->GetCount (); i++ )
+    size_t nCount = sPairs->GetCount();
+    for ( i = 0; i < nCount; i++ )
     {
         sTmp = sPairs->GetVerbCmd (i);
         if ( sTmp.Contains(sV) )
@@ -2305,12 +2274,8 @@ bool wxMimeTypesManagerImpl::ReadMimeTypes(const wxString& strFileName)
     wxLogTrace(TRACE_MIME, wxT("--- Parsing mime.types file '%s' ---"),
                strFileName.c_str());
 
-    wxTextFile file(strFileName);
-#if defined(__WXGTK20__) && wxUSE_UNICODE
-    if ( !file.Open(wxConvUTF8) )
-#else
+    wxMimeTextFile file(strFileName);
     if ( !file.Open() )
-#endif
         return false;
 
     // the information we extract
@@ -2385,8 +2350,8 @@ bool wxMimeTypesManagerImpl::ReadMimeTypes(const wxString& strFileName)
                 pEnd = wxStrchr(++pc, wxT('"'));
                 if ( pEnd == NULL )
                 {
-                    wxLogWarning(wxT("Mime.types file %s, line %d: unterminated quoted string."),
-                                 strFileName.c_str(), nLine + 1);
+                    wxLogWarning(wxT("Mime.types file %s, line %lu: unterminated quoted string."),
+                                 strFileName.c_str(), nLine + 1L);
                 }
             }
             else
@@ -2443,8 +2408,8 @@ bool wxMimeTypesManagerImpl::ReadMimeTypes(const wxString& strFileName)
                 // unregistered extensions according to the standard practice,
                 // but it may be worth telling the user about other junk in
                 // his mime.types file
-                wxLogWarning(wxT("Unknown field in file %s, line %d: '%s'."),
-                             strFileName.c_str(), nLine + 1, strLHS.c_str());
+                wxLogWarning(wxT("Unknown field in file %s, line %lu: '%s'."),
+                             strFileName.c_str(), nLine + 1L, strLHS.c_str());
             }
 
             if ( !entryEnded )
@@ -2521,8 +2486,7 @@ wxMimeTypesManagerImpl::ProcessOtherMailcapField(MailcapLineData& data,
     }
 
     // is this something of the form foo=bar?
-    const wxChar *pEq = wxStrchr(curField, wxT('='));
-    if ( pEq != NULL )
+    if ( curField.find('=') != wxString::npos )
     {
         // split "LHS = RHS" in 2
         wxString lhs = curField.BeforeFirst(wxT('=')),
@@ -2602,12 +2566,8 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
     wxLogTrace(TRACE_MIME, wxT("--- Parsing mailcap file '%s' ---"),
                strFileName.c_str());
 
-    wxTextFile file(strFileName);
-#if defined(__WXGTK20__) && wxUSE_UNICODE
-    if ( !file.Open(wxConvUTF8) )
-#else
+    wxMimeTextFile file(strFileName);
     if ( !file.Open() )
-#endif
         return false;
 
     // indices of MIME types (in m_aTypes) we already found in this file
@@ -2619,6 +2579,10 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
     wxString curField;
     curField.reserve(1024);
 
+    const wxChar *pPagerEnv = wxGetenv(wxT("PAGER"));
+
+    const wxArrayString empty_extensions_list;
+
     size_t nLineCount = file.GetLineCount();
     for ( size_t nLine = 0; nLine < nLineCount; nLine++ )
     {
@@ -2646,8 +2610,7 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
             Field_Type,
             Field_OpenCmd,
             Field_Other
-        }
-        currentToken = Field_Type;
+        } currentToken = Field_Type;
 
         // the flags and field values on the current line
         MailcapLineData data;
@@ -2670,7 +2633,7 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
 
                             wxLogDebug(wxT("Mailcap file %s, line %lu: '\\' on the end of the last line ignored."),
                                        strFileName.c_str(),
-                                       (unsigned long)nLine + 1);
+                                       nLine + 1L);
                         }
                         else
                         {
@@ -2734,7 +2697,7 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
                                 (
                                     wxT("Mailcap file %s, line %lu: unknown field '%s' for the MIME type '%s' ignored."),
                                     strFileName.c_str(),
-                                    (unsigned long)nLine + 1,
+                                    nLine + 1L,
                                     curField.c_str(),
                                     data.type.c_str()
                                 );
@@ -2771,8 +2734,8 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
         // check that we really read something reasonable
         if ( currentToken < Field_Other )
         {
-            wxLogWarning(wxT("Mailcap file %s, line %d: incomplete entry ignored."),
-                         strFileName.c_str(), nLine + 1);
+            wxLogWarning(wxT("Mailcap file %s, line %lu: incomplete entry ignored."),
+                         strFileName.c_str(), nLine + 1L);
 
             continue;
         }
@@ -2793,14 +2756,13 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
         // is a bad idea (FIXME)
         if ( data.copiousoutput )
         {
-            const wxChar *p = wxGetenv(wxT("PAGER"));
-            data.cmdOpen << wxT(" | ") << (p ? p : wxT("more"));
+            data.cmdOpen << wxT(" | ") << (pPagerEnv ? pPagerEnv : wxT("more"));
         }
 
         if ( data.needsterminal )
         {
-            data.cmdOpen = wxString::Format(wxT("xterm -e sh -c '%s'"),
-                                            data.cmdOpen.c_str());
+            data.cmdOpen.insert(0, wxT("xterm -e sh -c '"));
+            data.cmdOpen.append(wxT("'"));
         }
 
         if ( !data.cmdOpen.empty() )
@@ -2838,7 +2800,7 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
                     data.type,
                     data.icon,
                     new wxMimeTypeCommands(data.verbs, data.commands),
-                    wxArrayString() /* extensions */,
+                    empty_extensions_list,
                     data.desc,
                     overwrite
                 );
@@ -2858,12 +2820,11 @@ size_t wxMimeTypesManagerImpl::EnumAllFileTypes(wxArrayString& mimetypes)
 
     mimetypes.Empty();
 
-    wxString type;
     size_t count = m_aTypes.GetCount();
     for ( size_t n = 0; n < count; n++ )
     {
         // don't return template types from here (i.e. anything containg '*')
-        type = m_aTypes[n];
+        const wxString &type = m_aTypes[n];
         if ( type.Find(wxT('*')) == wxNOT_FOUND )
         {
             mimetypes.Add(type);
@@ -2879,14 +2840,16 @@ size_t wxMimeTypesManagerImpl::EnumAllFileTypes(wxArrayString& mimetypes)
 
 bool wxMimeTypesManagerImpl::Unassociate(wxFileType *ft)
 {
+    InitIfNeeded();
+
     wxArrayString sMimeTypes;
     ft->GetMimeTypes(sMimeTypes);
 
-    wxString sMime;
     size_t i;
-    for (i = 0; i < sMimeTypes.GetCount(); i ++)
+    size_t nCount = sMimeTypes.GetCount();
+    for (i = 0; i < nCount; i ++)
     {
-        sMime = sMimeTypes.Item(i);
+        const wxString &sMime = sMimeTypes.Item(i);
         int nIndex = m_aTypes.Index(sMime);
         if ( nIndex == wxNOT_FOUND)
         {
@@ -2904,10 +2867,10 @@ bool wxMimeTypesManagerImpl::Unassociate(wxFileType *ft)
         }
     }
     // check data integrity
-    wxASSERT( m_aTypes.Count() == m_aEntries.Count() &&
-            m_aTypes.Count() == m_aExtensions.Count() &&
-            m_aTypes.Count() == m_aIcons.Count() &&
-            m_aTypes.Count() == m_aDescriptions.Count() );
+    wxASSERT( m_aTypes.GetCount() == m_aEntries.GetCount() &&
+            m_aTypes.GetCount() == m_aExtensions.GetCount() &&
+            m_aTypes.GetCount() == m_aIcons.GetCount() &&
+            m_aTypes.GetCount() == m_aDescriptions.GetCount() );
 
     return true;
 }
@@ -2918,7 +2881,7 @@ bool wxMimeTypesManagerImpl::Unassociate(wxFileType *ft)
 
 static bool IsKnownUnimportantField(const wxString& fieldAll)
 {
-    static const wxChar *knownFields[] =
+    static const wxChar * const knownFields[] =
     {
         wxT("x-mozilla-flags"),
         wxT("nametemplate"),
@@ -2937,4 +2900,3 @@ static bool IsKnownUnimportantField(const wxString& fieldAll)
 
 #endif
   // wxUSE_MIMETYPE && wxUSE_FILE && wxUSE_TEXTFILE
-