]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/mimetype.cpp
Borland #include hack
[wxWidgets.git] / src / common / mimetype.cpp
index 901d85ffb1f4021004df8eab718adda15d468a95..3dab4f75fae31d8568db2add17e2d3b0b7cc1154 100644 (file)
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef    __GNUG__
-    #pragma implementation "mimetype.h"
+#pragma implementation "mimetype.h"
 #endif
 
-// ============================================================================
-// declarations
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// headers
-// ----------------------------------------------------------------------------
-
 // for compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-    #pragma hdrstop
+  #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+  #include "wx/defs.h"
 #endif
 
-// wxWindows
+#if (wxUSE_FILE && wxUSE_TEXTFILE) || defined(__WXMSW__)
+
 #ifndef WX_PRECOMP
-    #include  "wx/string.h"
-    #include  "wx/icon.h"
+  #include "wx/string.h"
+  #if wxUSE_GUI
+    #include "wx/icon.h"
+  #endif
 #endif //WX_PRECOMP
 
 // Doesn't compile in WIN16 mode
 #ifndef __WIN16__
 
 #include "wx/log.h"
+#include "wx/file.h"
 #include "wx/intl.h"
 #include "wx/dynarray.h"
 #include "wx/confbase.h"
 #ifdef __WXMSW__
     #include "wx/msw/registry.h"
     #include "windows.h"
-#else  // Unix
+#elif defined(__UNIX__)  || defined(__WXPM__)
+    #include "wx/ffile.h"
     #include "wx/textfile.h"
+    #include "wx/dir.h"
+    #include "wx/utils.h"
 #endif // OS
 
 #include "wx/mimetype.h"
@@ -54,6 +57,9 @@
 // other standard headers
 #include <ctype.h>
 
+// in case we're compiling in non-GUI mode
+class WXDLLEXPORT wxIcon;
+
 // ----------------------------------------------------------------------------
 // private classes
 // ----------------------------------------------------------------------------
 //      to open/print the file (the positional parameters are introduced by %1,
 //      %2, ... in these strings, we change them to %s ourselves)
 
+// although I don't know of any official documentation which mentions this
+// location, uses it, so it isn't likely to change
+static const wxChar *MIME_DATABASE_KEY = wxT("MIME\\Database\\Content Type\\");
+
 class wxFileTypeImpl
 {
 public:
     // ctor
-    wxFileTypeImpl() { }
+    wxFileTypeImpl() { m_info = NULL; }
 
-    // initialize us with our file type name
-    void SetFileType(const wxString& strFileType)
-        { m_strFileType = strFileType; }
-    void SetExt(const wxString& ext)
-        { m_ext = ext; }
+    // one of these Init() function must be called (ctor can't take any
+    // arguments because it's common)
+
+        // initialize us with our file type name and extension - in this case
+        // we will read all other data from the registry
+    void Init(const wxString& strFileType, const wxString& ext)
+        { m_strFileType = strFileType; m_ext = ext; }
+
+        // initialize us with a wxFileTypeInfo object - it contains all the
+        // data
+    void Init(const wxFileTypeInfo& info)
+        { m_info = &info; }
 
     // implement accessor functions
     bool GetExtensions(wxArrayString& extensions);
@@ -99,19 +116,25 @@ public:
     bool GetIcon(wxIcon *icon) const;
     bool GetDescription(wxString *desc) const;
     bool GetOpenCommand(wxString *openCmd,
-                        const wxFileType::MessageParameters&) const
-        { return GetCommand(openCmd, "open"); }
+                        const wxFileType::MessageParameters& params) const;
     bool GetPrintCommand(wxString *printCmd,
-                         const wxFileType::MessageParameters&) const
-        { return GetCommand(printCmd, "print"); }
+                         const wxFileType::MessageParameters& params) const;
 
 private:
-    // helper function
-    bool GetCommand(wxString *command, const char *verb) const;
-
-    wxString m_strFileType, m_ext;
+    // helper function: reads the command corresponding to the specified verb
+    // from the registry (returns an empty string if not found)
+    wxString GetCommand(const wxChar *verb) const;
+
+    // we use either m_info or read the data from the registry if m_info == NULL
+    const wxFileTypeInfo *m_info;
+    wxString m_strFileType,         // may be empty
+             m_ext;
 };
 
+WX_DECLARE_EXPORTED_OBJARRAY(wxFileTypeInfo, wxArrayFileTypeInfo);
+#include "wx/arrimpl.cpp"
+WX_DEFINE_OBJARRAY(wxArrayFileTypeInfo);
+
 class wxMimeTypesManagerImpl
 {
 public:
@@ -123,11 +146,73 @@ public:
     wxFileType *GetFileTypeFromExtension(const wxString& ext);
     wxFileType *GetFileTypeFromMimeType(const wxString& mimeType);
 
+    size_t EnumAllFileTypes(wxArrayString& mimetypes);
+
     // this are NOPs under Windows
     bool ReadMailcap(const wxString& filename, bool fallback = TRUE)
         { return TRUE; }
     bool ReadMimeTypes(const wxString& filename)
         { return TRUE; }
+
+    void AddFallback(const wxFileTypeInfo& ft) { m_fallbacks.Add(ft); }
+
+private:
+    wxArrayFileTypeInfo m_fallbacks;
+};
+
+#elif defined( __WXMAC__ )
+
+WX_DECLARE_EXPORTED_OBJARRAY(wxFileTypeInfo, wxArrayFileTypeInfo);
+#include "wx/arrimpl.cpp"
+WX_DEFINE_OBJARRAY(wxArrayFileTypeInfo);
+
+class wxMimeTypesManagerImpl
+{
+public :
+    wxMimeTypesManagerImpl() { }
+
+    // implement containing class functions
+    wxFileType *GetFileTypeFromExtension(const wxString& ext);
+    wxFileType *GetFileTypeFromMimeType(const wxString& mimeType);
+
+    size_t EnumAllFileTypes(wxArrayString& mimetypes);
+
+    // this are NOPs under MacOS
+    bool ReadMailcap(const wxString& filename, bool fallback = TRUE) { return TRUE; }
+    bool ReadMimeTypes(const wxString& filename) { return TRUE; }
+
+    void AddFallback(const wxFileTypeInfo& ft) { m_fallbacks.Add(ft); }
+
+private:
+    wxArrayFileTypeInfo m_fallbacks;
+};
+
+class wxFileTypeImpl
+{
+public:
+    // initialize us with our file type name
+    void SetFileType(const wxString& strFileType)
+        { m_strFileType = strFileType; }
+    void SetExt(const wxString& ext)
+        { m_ext = ext; }
+
+    // implement accessor functions
+    bool GetExtensions(wxArrayString& extensions);
+    bool GetMimeType(wxString *mimeType) const;
+    bool GetIcon(wxIcon *icon) const;
+    bool GetDescription(wxString *desc) const;
+    bool GetOpenCommand(wxString *openCmd,
+                        const wxFileType::MessageParameters&) const
+        { return GetCommand(openCmd, "open"); }
+    bool GetPrintCommand(wxString *printCmd,
+                         const wxFileType::MessageParameters&) const
+        { return GetCommand(printCmd, "print"); }
+
+private:
+    // helper function
+    bool GetCommand(wxString *command, const char *verb) const;
+
+    wxString m_strFileType, m_ext;
 };
 
 #else  // Unix
@@ -233,7 +318,7 @@ public:
                 break;
         }
 
-        wxASSERT_MSG( n == pos, _T("invalid position in MailCapEntry::Insert") );
+        wxASSERT_MSG( n == pos, wxT("invalid position in MailCapEntry::Insert") );
 
         m_next = cur->m_next;
         cur->m_next = this;
@@ -241,7 +326,7 @@ public:
         // append this element to the list
     void Append(MailCapEntry *next)
     {
-        wxCHECK_RET( next != NULL, _T("Append()ing to what?") );
+        wxCHECK_RET( next != NULL, wxT("Append()ing to what?") );
 
         // FIXME slooow...
         MailCapEntry *cur;
@@ -250,7 +335,7 @@ public:
 
         cur->m_next = this;
 
-        wxASSERT_MSG( !m_next, _T("Append()ing element already in the list?") );
+        wxASSERT_MSG( !m_next, wxT("Append()ing element already in the list?") );
     }
 
 private:
@@ -264,6 +349,54 @@ private:
 
 WX_DEFINE_ARRAY(MailCapEntry *, ArrayTypeEntries);
 
+// the base class which may be used to find an icon for the MIME type
+class wxMimeTypeIconHandler
+{
+public:
+    virtual bool GetIcon(const wxString& mimetype, wxIcon *icon) = 0;
+};
+
+WX_DEFINE_ARRAY(wxMimeTypeIconHandler *, ArrayIconHandlers);
+
+// the icon handler which uses GNOME MIME database
+class wxGNOMEIconHandler : public wxMimeTypeIconHandler
+{
+public:
+    virtual bool GetIcon(const wxString& mimetype, wxIcon *icon);
+
+private:
+    void Init();
+    void LoadIconsFromKeyFile(const wxString& filename);
+    void LoadKeyFilesFromDir(const wxString& dirbase);
+
+    static bool m_inited;
+
+    static wxSortedArrayString ms_mimetypes;
+    static wxArrayString       ms_icons;
+};
+
+// the icon handler which uses KDE MIME database
+class wxKDEIconHandler : public wxMimeTypeIconHandler
+{
+public:
+    virtual bool GetIcon(const wxString& mimetype, wxIcon *icon);
+
+private:
+    void LoadLinksForMimeSubtype(const wxString& dirbase,
+                                 const wxString& subdir,
+                                 const wxString& filename);
+    void LoadLinksForMimeType(const wxString& dirbase,
+                              const wxString& subdir);
+    void LoadLinkFilesFromDir(const wxString& dirbase);
+    void Init();
+
+    static bool m_inited;
+
+    static wxSortedArrayString ms_mimetypes;
+    static wxArrayString       ms_icons;
+};
+
+// this is the real wxMimeTypesManager for Unix
 class wxMimeTypesManagerImpl
 {
 friend class wxFileTypeImpl; // give it access to m_aXXX variables
@@ -277,19 +410,39 @@ public:
     wxFileType *GetFileTypeFromExtension(const wxString& ext);
     wxFileType *GetFileTypeFromMimeType(const wxString& mimeType);
 
+    size_t EnumAllFileTypes(wxArrayString& mimetypes);
+
     bool ReadMailcap(const wxString& filename, bool fallback = FALSE);
     bool ReadMimeTypes(const wxString& filename);
 
+    void AddFallback(const wxFileTypeInfo& filetype);
+
+    // add information about the given mimetype
+    void AddMimeTypeInfo(const wxString& mimetype,
+                         const wxString& extensions,
+                         const wxString& description);
+    void AddMailcapInfo(const wxString& strType,
+                        const wxString& strOpenCmd,
+                        const wxString& strPrintCmd,
+                        const wxString& strTest,
+                        const wxString& strDesc);
+
     // accessors
         // get the string containing space separated extensions for the given
         // file type
     wxString GetExtension(size_t index) { return m_aExtensions[index]; }
 
+        // get the array of icon handlers
+    static ArrayIconHandlers& GetIconHandlers();
+
 private:
     wxArrayString m_aTypes,         // MIME types
                   m_aDescriptions,  // descriptions (just some text)
                   m_aExtensions;    // space separated list of extensions
     ArrayTypeEntries m_aEntries;    // commands and tests for this file type
+
+    // head of the linked list of the icon handlers
+    static ArrayIconHandlers ms_iconHandlers;
 };
 
 class wxFileTypeImpl
@@ -303,8 +456,7 @@ public:
     bool GetExtensions(wxArrayString& extensions);
     bool GetMimeType(wxString *mimeType) const
         { *mimeType = m_manager->m_aTypes[m_index]; return TRUE; }
-    bool GetIcon(wxIcon * WXUNUSED(icon)) const
-        { return FALSE; }   // TODO maybe with Gnome/KDE integration...
+    bool GetIcon(wxIcon *icon) const;
     bool GetDescription(wxString *desc) const
         { *desc = m_manager->m_aDescriptions[m_index]; return TRUE; }
 
@@ -335,6 +487,42 @@ private:
 
 #endif // OS type
 
+// ============================================================================
+// common classes
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxFileTypeInfo
+// ----------------------------------------------------------------------------
+
+wxFileTypeInfo::wxFileTypeInfo(const char *mimeType,
+                               const char *openCmd,
+                               const char *printCmd,
+                               const char *desc,
+                               ...)
+              : m_mimeType(mimeType),
+                m_openCmd(openCmd),
+                m_printCmd(printCmd),
+                m_desc(desc)
+{
+    va_list argptr;
+    va_start(argptr, desc);
+
+    for ( ;; )
+    {
+        const char *ext = va_arg(argptr, const char *);
+        if ( !ext )
+        {
+            // NULL terminates the list
+            break;
+        }
+
+        m_exts.Add(ext);
+    }
+
+    va_end(argptr);
+}
+
 // ============================================================================
 // implementation of the wrapper classes
 // ============================================================================
@@ -349,57 +537,57 @@ wxString wxFileType::ExpandCommand(const wxString& command,
     bool hasFilename = FALSE;
 
     wxString str;
-    for ( const wxChar *pc = command.c_str(); *pc != _T('\0'); pc++ ) {
-        if ( *pc == _T('%') ) {
+    for ( const wxChar *pc = command.c_str(); *pc != wxT('\0'); pc++ ) {
+        if ( *pc == wxT('%') ) {
             switch ( *++pc ) {
-                case _T('s'):
+                case wxT('s'):
                     // '%s' expands into file name (quoted because it might
                     // contain spaces) - except if there are already quotes
                     // there because otherwise some programs may get confused
                     // by double double quotes
 #if 0
-                    if ( *(pc - 2) == _T('"') )
+                    if ( *(pc - 2) == wxT('"') )
                         str << params.GetFileName();
                     else
-                        str << _T('"') << params.GetFileName() << _T('"');
+                        str << wxT('"') << params.GetFileName() << wxT('"');
 #endif
                     str << params.GetFileName();
                     hasFilename = TRUE;
                     break;
 
-                case _T('t'):
+                case wxT('t'):
                     // '%t' expands into MIME type (quote it too just to be
                     // consistent)
-                    str << _T('\'') << params.GetMimeType() << _T('\'');
+                    str << wxT('\'') << params.GetMimeType() << wxT('\'');
                     break;
 
-                case _T('{'):
+                case wxT('{'):
                     {
-                        const wxChar *pEnd = wxStrchr(pc, _T('}'));
+                        const wxChar *pEnd = wxStrchr(pc, wxT('}'));
                         if ( pEnd == NULL ) {
                             wxString mimetype;
                             wxLogWarning(_("Unmatched '{' in an entry for "
                                            "mime type %s."),
                                          params.GetMimeType().c_str());
-                            str << _T("%{");
+                            str << wxT("%{");
                         }
                         else {
                             wxString param(pc + 1, pEnd - pc - 1);
-                            str << _T('\'') << params.GetParamValue(param) << _T('\'');
+                            str << wxT('\'') << params.GetParamValue(param) << wxT('\'');
                             pc = pEnd;
                         }
                     }
                     break;
 
-                case _T('n'):
-                case _T('F'):
+                case wxT('n'):
+                case wxT('F'):
                     // TODO %n is the number of parts, %F is an array containing
                     //      the names of temp files these parts were written to
                     //      and their mime types.
                     break;
 
                 default:
-                    wxLogDebug(_T("Unknown field %%%c in command '%s'."),
+                    wxLogDebug(wxT("Unknown field %%%c in command '%s'."),
                                *pc, command.c_str());
                     str << *pc;
             }
@@ -412,7 +600,7 @@ wxString wxFileType::ExpandCommand(const wxString& command,
     // metamail(1) man page states that if the mailcap entry doesn't have '%s'
     // the program will accept the data on stdin: so give it to it!
     if ( !hasFilename && !str.IsEmpty() ) {
-        str << _T(" < '") << params.GetFileName() << _T('\'');
+        str << wxT(" < '") << params.GetFileName() << wxT('\'');
     }
 
     return str;
@@ -469,16 +657,16 @@ wxFileType::GetPrintCommand(wxString *printCmd,
 bool wxMimeTypesManager::IsOfType(const wxString& mimeType,
                                   const wxString& wildcard)
 {
-    wxASSERT_MSG( mimeType.Find(_T('*')) == wxNOT_FOUND,
-                  _T("first MIME type can't contain wildcards") );
+    wxASSERT_MSG( mimeType.Find(wxT('*')) == wxNOT_FOUND,
+                  wxT("first MIME type can't contain wildcards") );
 
     // all comparaisons are case insensitive (2nd arg of IsSameAs() is FALSE)
-    if ( wildcard.BeforeFirst(_T('/')).IsSameAs(mimeType.BeforeFirst(_T('/')), FALSE) )
+    if ( wildcard.BeforeFirst(wxT('/')).IsSameAs(mimeType.BeforeFirst(wxT('/')), FALSE) )
     {
-        wxString strSubtype = wildcard.AfterFirst(_T('/'));
+        wxString strSubtype = wildcard.AfterFirst(wxT('/'));
 
-        if ( strSubtype == _T('*') ||
-             strSubtype.IsSameAs(mimeType.AfterFirst(_T('/')), FALSE) )
+        if ( strSubtype == wxT("*") ||
+             strSubtype.IsSameAs(mimeType.AfterFirst(wxT('/')), FALSE) )
         {
             // matches (either exactly or it's a wildcard)
             return TRUE;
@@ -520,54 +708,121 @@ bool wxMimeTypesManager::ReadMimeTypes(const wxString& filename)
     return m_impl->ReadMimeTypes(filename);
 }
 
+void wxMimeTypesManager::AddFallbacks(const wxFileTypeInfo *filetypes)
+{
+    for ( const wxFileTypeInfo *ft = filetypes; ft->IsValid(); ft++ ) {
+        m_impl->AddFallback(*ft);
+    }
+}
+
+size_t wxMimeTypesManager::EnumAllFileTypes(wxArrayString& mimetypes)
+{
+    return m_impl->EnumAllFileTypes(mimetypes);
+}
+
 // ============================================================================
 // real (OS specific) implementation
 // ============================================================================
 
 #ifdef __WXMSW__
 
-bool wxFileTypeImpl::GetCommand(wxString *command, const wxChar *verb) const
+wxString wxFileTypeImpl::GetCommand(const wxChar *verb) const
 {
     // suppress possible error messages
     wxLogNull nolog;
     wxString strKey;
-    strKey << m_strFileType << _T("\\shell\\") << verb << _T("\\command");
-    wxRegKey key(wxRegKey::HKCR, strKey);
 
+    if ( wxRegKey(wxRegKey::HKCR, m_ext + _T("\\shell")).Exists() )
+        strKey = m_ext;
+    if ( wxRegKey(wxRegKey::HKCR, m_strFileType + _T("\\shell")).Exists() )
+        strKey = m_strFileType;
+
+    if ( !strKey )
+    {
+        // no info
+        return wxEmptyString;
+    }
+
+    strKey << wxT("\\shell\\") << verb << wxT("\\command");
+    wxRegKey key(wxRegKey::HKCR, strKey);
+    wxString command;
     if ( key.Open() ) {
         // it's the default value of the key
-        if ( key.QueryValue(_T(""), *command) ) {
+        if ( key.QueryValue(wxT(""), command) ) {
             // transform it from '%1' to '%s' style format string
+
             // NB: we don't make any attempt to verify that the string is valid,
             //     i.e. doesn't contain %2, or second %1 or .... But we do make
             //     sure that we return a string with _exactly_ one '%s'!
-            size_t len = command->Len();
-            for ( size_t n = 0; n < len; n++ ) {
-                if ( command->GetChar(n) == _T('%') &&
-                     (n + 1 < len) && command->GetChar(n + 1) == _T('1') ) {
+            bool foundFilename = FALSE;
+            size_t len = command.Len();
+            for ( size_t n = 0; (n < len) && !foundFilename; n++ ) {
+                if ( command[n] == wxT('%') &&
+                     (n + 1 < len) && command[n + 1] == wxT('1') ) {
                     // replace it with '%s'
-                    command->SetChar(n + 1, _T('s'));
+                    command[n + 1] = wxT('s');
 
-                    return TRUE;
+                    foundFilename = TRUE;
                 }
             }
 
-            // we didn't find any '%1'!
-            // HACK: append the filename at the end, hope that it will do
-            *command << _T(" %s");
-
-            return TRUE;
+            if ( !foundFilename ) {
+                // we didn't find any '%1'!
+                // HACK: append the filename at the end, hope that it will do
+                command << wxT(" %s");
+            }
         }
     }
+    //else: no such file type or no value, will return empty string
 
-    // no such file type or no value
-    return FALSE;
+    return command;
+}
+
+bool
+wxFileTypeImpl::GetOpenCommand(wxString *openCmd,
+                               const wxFileType::MessageParameters& params)
+                               const
+{
+    wxString cmd;
+    if ( m_info ) {
+        cmd = m_info->GetOpenCommand();
+    }
+    else {
+        cmd = GetCommand(wxT("open"));
+    }
+
+    *openCmd = wxFileType::ExpandCommand(cmd, params);
+
+    return !openCmd->IsEmpty();
+}
+
+bool
+wxFileTypeImpl::GetPrintCommand(wxString *printCmd,
+                                const wxFileType::MessageParameters& params)
+                                const
+{
+    wxString cmd;
+    if ( m_info ) {
+        cmd = m_info->GetPrintCommand();
+    }
+    else {
+        cmd = GetCommand(wxT("print"));
+    }
+
+    *printCmd = wxFileType::ExpandCommand(cmd, params);
+
+    return !printCmd->IsEmpty();
 }
 
 // TODO this function is half implemented
 bool wxFileTypeImpl::GetExtensions(wxArrayString& extensions)
 {
-    if ( m_ext.IsEmpty() ) {
+    if ( m_info ) {
+        extensions = m_info->GetExtensions();
+
+        return TRUE;
+    }
+    else if ( m_ext.IsEmpty() ) {
         // the only way to get the list of extensions from the file type is to
         // scan through all extensions in the registry - too slow...
         return FALSE;
@@ -583,10 +838,17 @@ bool wxFileTypeImpl::GetExtensions(wxArrayString& extensions)
 
 bool wxFileTypeImpl::GetMimeType(wxString *mimeType) const
 {
+    if ( m_info ) {
+        // we already have it
+        *mimeType = m_info->GetMimeType();
+
+        return TRUE;
+    }
+
     // suppress possible error messages
     wxLogNull nolog;
-    wxRegKey key(wxRegKey::HKCR, /*m_strFileType*/ _T(".") + m_ext);
-    if ( key.Open() && key.QueryValue(_T("Content Type"), *mimeType) ) {
+    wxRegKey key(wxRegKey::HKCR, wxT(".") + m_ext);
+    if ( key.Open() && key.QueryValue(wxT("Content Type"), *mimeType) ) {
         return TRUE;
     }
     else {
@@ -596,8 +858,14 @@ bool wxFileTypeImpl::GetMimeType(wxString *mimeType) const
 
 bool wxFileTypeImpl::GetIcon(wxIcon *icon) const
 {
+#if wxUSE_GUI
+    if ( m_info ) {
+        // we don't have icons in the fallback resources
+        return FALSE;
+    }
+
     wxString strIconKey;
-    strIconKey << m_strFileType << _T("\\DefaultIcon");
+    strIconKey << m_strFileType << wxT("\\DefaultIcon");
 
     // suppress possible error messages
     wxLogNull nolog;
@@ -606,28 +874,28 @@ bool wxFileTypeImpl::GetIcon(wxIcon *icon) const
     if ( key.Open() ) {
         wxString strIcon;
         // it's the default value of the key
-        if ( key.QueryValue(_T(""), strIcon) ) {
+        if ( key.QueryValue(wxT(""), strIcon) ) {
             // the format is the following: <full path to file>, <icon index>
             // NB: icon index may be negative as well as positive and the full
             //     path may contain the environment variables inside '%'
-            wxString strFullPath = strIcon.BeforeLast(_T(',')),
-            strIndex = strIcon.AfterLast(_T(','));
+            wxString strFullPath = strIcon.BeforeLast(wxT(',')),
+            strIndex = strIcon.AfterLast(wxT(','));
 
             // index may be omitted, in which case BeforeLast(',') is empty and
             // AfterLast(',') is the whole string
             if ( strFullPath.IsEmpty() ) {
                 strFullPath = strIndex;
-                strIndex = _T("0");
+                strIndex = wxT("0");
             }
 
             wxString strExpPath = wxExpandEnvVars(strFullPath);
-            int nIndex = atoi(strIndex);
+            int nIndex = wxAtoi(strIndex);
 
             HICON hIcon = ExtractIcon(GetModuleHandle(NULL), strExpPath, nIndex);
             switch ( (int)hIcon ) {
                 case 0: // means no icons were found
                 case 1: // means no such file or it wasn't a DLL/EXE/OCX/ICO/...
-                    wxLogDebug(_T("incorrect registry entry '%s': no such icon."),
+                    wxLogDebug(wxT("incorrect registry entry '%s': no such icon."),
                                key.GetName().c_str());
                     break;
 
@@ -639,18 +907,27 @@ bool wxFileTypeImpl::GetIcon(wxIcon *icon) const
     }
 
     // no such file type or no value or incorrect icon entry
+#endif // wxUSE_GUI
+
     return FALSE;
 }
 
 bool wxFileTypeImpl::GetDescription(wxString *desc) const
 {
+    if ( m_info ) {
+        // we already have it
+        *desc = m_info->GetDescription();
+
+        return TRUE;
+    }
+
     // suppress possible error messages
     wxLogNull nolog;
     wxRegKey key(wxRegKey::HKCR, m_strFileType);
 
     if ( key.Open() ) {
         // it's the default value of the key
-        if ( key.QueryValue(_T(""), *desc) ) {
+        if ( key.QueryValue(wxT(""), *desc) ) {
             return TRUE;
         }
     }
@@ -664,41 +941,67 @@ wxMimeTypesManagerImpl::GetFileTypeFromExtension(const wxString& ext)
 {
     // add the leading point if necessary
     wxString str;
-    if ( ext[0u] != _T('.') ) {
-        str = _T('.');
+    if ( ext[0u] != wxT('.') ) {
+        str = wxT('.');
     }
     str << ext;
 
     // suppress possible error messages
     wxLogNull nolog;
 
+    bool knownExtension = FALSE;
+
     wxString strFileType;
     wxRegKey key(wxRegKey::HKCR, str);
     if ( key.Open() ) {
         // it's the default value of the key
-        if ( key.QueryValue(_T(""), strFileType) ) {
+        if ( key.QueryValue(wxT(""), strFileType) ) {
             // create the new wxFileType object
             wxFileType *fileType = new wxFileType;
-            fileType->m_impl->SetFileType(strFileType);
-            fileType->m_impl->SetExt(ext);
+            fileType->m_impl->Init(strFileType, ext);
 
             return fileType;
         }
+        else {
+            // this extension doesn't have a filetype, but it's known to the
+            // system and may be has some other useful keys (open command or
+            // content-type), so still return a file type object for it
+            knownExtension = TRUE;
+        }
     }
 
-    // unknown extension
-    return NULL;
+    // check the fallbacks
+    // TODO linear search is potentially slow, perhaps we should use a sorted
+    //      array?
+    size_t count = m_fallbacks.GetCount();
+    for ( size_t n = 0; n < count; n++ ) {
+        if ( m_fallbacks[n].GetExtensions().Index(ext) != wxNOT_FOUND ) {
+            wxFileType *fileType = new wxFileType;
+            fileType->m_impl->Init(m_fallbacks[n]);
+
+            return fileType;
+        }
+    }
+
+    if ( knownExtension )
+    {
+        wxFileType *fileType = new wxFileType;
+        fileType->m_impl->Init(wxEmptyString, ext);
+
+        return fileType;
+    }
+    else
+    {
+        // unknown extension
+        return NULL;
+    }
 }
 
 // MIME type -> extension -> file type
 wxFileType *
 wxMimeTypesManagerImpl::GetFileTypeFromMimeType(const wxString& mimeType)
 {
-    // HACK I don't know of any official documentation which mentions this
-    //      location, but as a matter of fact IE uses it, so why not we?
-    static const wxChar *szMimeDbase = _T("MIME\\Database\\Content Type\\");
-
-    wxString strKey = szMimeDbase;
+    wxString strKey = MIME_DATABASE_KEY;
     strKey << mimeType;
 
     // suppress possible error messages
@@ -707,17 +1010,552 @@ wxMimeTypesManagerImpl::GetFileTypeFromMimeType(const wxString& mimeType)
     wxString ext;
     wxRegKey key(wxRegKey::HKCR, strKey);
     if ( key.Open() ) {
-        if ( key.QueryValue(_T("Extension"), ext) ) {
+        if ( key.QueryValue(wxT("Extension"), ext) ) {
             return GetFileTypeFromExtension(ext);
         }
     }
 
+    // check the fallbacks
+    // TODO linear search is potentially slow, perhaps we should use a sorted
+    //      array?
+    size_t count = m_fallbacks.GetCount();
+    for ( size_t n = 0; n < count; n++ ) {
+        if ( wxMimeTypesManager::IsOfType(mimeType,
+                                          m_fallbacks[n].GetMimeType()) ) {
+            wxFileType *fileType = new wxFileType;
+            fileType->m_impl->Init(m_fallbacks[n]);
+
+            return fileType;
+        }
+    }
+
     // unknown MIME type
     return NULL;
 }
 
+size_t wxMimeTypesManagerImpl::EnumAllFileTypes(wxArrayString& mimetypes)
+{
+    // enumerate all keys under MIME_DATABASE_KEY
+    wxRegKey key(wxRegKey::HKCR, MIME_DATABASE_KEY);
+
+    wxString type;
+    long cookie;
+    bool cont = key.GetFirstKey(type, cookie);
+    while ( cont )
+    {
+        mimetypes.Add(type);
+
+        cont = key.GetNextKey(type, cookie);
+    }
+
+    return mimetypes.GetCount();
+}
+
+#elif defined ( __WXMAC__ )
+
+bool wxFileTypeImpl::GetCommand(wxString *command, const char *verb) const
+{
+    return FALSE;
+}
+
+// @@ this function is half implemented
+bool wxFileTypeImpl::GetExtensions(wxArrayString& extensions)
+{
+    return FALSE;
+}
+
+bool wxFileTypeImpl::GetMimeType(wxString *mimeType) const
+{
+    if ( m_strFileType.Length() > 0 )
+    {
+        *mimeType = m_strFileType ;
+        return TRUE ;
+    }
+    else
+    return FALSE;
+}
+
+bool wxFileTypeImpl::GetIcon(wxIcon *icon) const
+{
+    // no such file type or no value or incorrect icon entry
+    return FALSE;
+}
+
+bool wxFileTypeImpl::GetDescription(wxString *desc) const
+{
+    return FALSE;
+}
+
+// extension -> file type
+wxFileType *
+wxMimeTypesManagerImpl::GetFileTypeFromExtension(const wxString& e)
+{
+    wxString ext = e ;
+    ext = ext.Lower() ;
+    if ( ext == "txt" )
+    {
+        wxFileType *fileType = new wxFileType;
+        fileType->m_impl->SetFileType("text/text");
+        fileType->m_impl->SetExt(ext);
+        return fileType;
+    }
+    else if ( ext == "htm" || ext == "html" )
+    {
+        wxFileType *fileType = new wxFileType;
+        fileType->m_impl->SetFileType("text/html");
+        fileType->m_impl->SetExt(ext);
+        return fileType;
+    }
+    else if ( ext == "gif" )
+    {
+        wxFileType *fileType = new wxFileType;
+        fileType->m_impl->SetFileType("image/gif");
+        fileType->m_impl->SetExt(ext);
+        return fileType;
+    }
+    else if ( ext == "png" )
+    {
+        wxFileType *fileType = new wxFileType;
+        fileType->m_impl->SetFileType("image/png");
+        fileType->m_impl->SetExt(ext);
+        return fileType;
+    }
+    else if ( ext == "jpg" || ext == "jpeg" )
+    {
+        wxFileType *fileType = new wxFileType;
+        fileType->m_impl->SetFileType("image/jpeg");
+        fileType->m_impl->SetExt(ext);
+        return fileType;
+    }
+    else if ( ext == "bmp" )
+    {
+        wxFileType *fileType = new wxFileType;
+        fileType->m_impl->SetFileType("image/bmp");
+        fileType->m_impl->SetExt(ext);
+        return fileType;
+    }
+    else if ( ext == "tif" || ext == "tiff" )
+    {
+        wxFileType *fileType = new wxFileType;
+        fileType->m_impl->SetFileType("image/tiff");
+        fileType->m_impl->SetExt(ext);
+        return fileType;
+    }
+    else if ( ext == "xpm" )
+    {
+        wxFileType *fileType = new wxFileType;
+        fileType->m_impl->SetFileType("image/xpm");
+        fileType->m_impl->SetExt(ext);
+        return fileType;
+    }
+    else if ( ext == "xbm" )
+    {
+        wxFileType *fileType = new wxFileType;
+        fileType->m_impl->SetFileType("image/xbm");
+        fileType->m_impl->SetExt(ext);
+        return fileType;
+    }
+
+    // unknown extension
+    return NULL;
+}
+
+// MIME type -> extension -> file type
+wxFileType *
+wxMimeTypesManagerImpl::GetFileTypeFromMimeType(const wxString& mimeType)
+{
+    return NULL;
+}
+
+size_t wxMimeTypesManagerImpl::EnumAllFileTypes(wxArrayString& mimetypes)
+{
+    wxFAIL_MSG( _T("TODO") ); // VZ: don't know anything about this for Mac
+
+    return 0;
+}
+
 #else  // Unix
 
+// ============================================================================
+// Unix implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// various statics
+// ----------------------------------------------------------------------------
+
+static wxGNOMEIconHandler gs_iconHandlerGNOME;
+static wxKDEIconHandler gs_iconHandlerKDE;
+
+bool wxGNOMEIconHandler::m_inited = FALSE;
+wxSortedArrayString wxGNOMEIconHandler::ms_mimetypes;
+wxArrayString       wxGNOMEIconHandler::ms_icons;
+
+bool wxKDEIconHandler::m_inited = FALSE;
+wxSortedArrayString wxKDEIconHandler::ms_mimetypes;
+wxArrayString       wxKDEIconHandler::ms_icons;
+
+ArrayIconHandlers wxMimeTypesManagerImpl::ms_iconHandlers;
+
+// ----------------------------------------------------------------------------
+// wxGNOMEIconHandler
+// ----------------------------------------------------------------------------
+
+// GNOME stores the info we're interested in in several locations:
+//  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.
+
+void wxGNOMEIconHandler::LoadIconsFromKeyFile(const wxString& filename)
+{
+    wxTextFile textfile(filename);
+    if ( !textfile.Open() )
+        return;
+
+    // values for the entry being parsed
+    wxString curMimeType, curIconFile;
+
+    const wxChar *pc;
+    size_t nLineCount = textfile.GetLineCount();
+    for ( size_t nLine = 0; ; nLine++ )
+    {
+        if ( nLine < nLineCount )
+        {
+            pc = textfile[nLine].c_str();
+            if ( *pc == _T('#') )
+            {
+                // skip comments
+                continue;
+            }
+        }
+        else
+        {
+            // so that we will fall into the "if" below
+            pc = NULL;
+        }
+
+        if ( !pc || !*pc )
+        {
+            // end of the entry
+            if ( !!curMimeType && !!curIconFile )
+            {
+                // do we already know this mimetype?
+                int i = ms_mimetypes.Index(curMimeType);
+                if ( i == wxNOT_FOUND )
+                {
+                    // add a new entry
+                    size_t n = ms_mimetypes.Add(curMimeType);
+                    ms_icons.Insert(curIconFile, n);
+                }
+                else
+                {
+                    // replace the existing one (this means that the directories
+                    // should be searched in order of increased priority!)
+                    ms_icons[(size_t)i] = curIconFile;
+                }
+            }
+
+            if ( !pc )
+            {
+                // the end - this can only happen if nLine == nLineCount
+                break;
+            }
+
+            curIconFile.Empty();
+
+            continue;
+        }
+
+        // what do we have here?
+        if ( *pc == _T('\t') )
+        {
+            // this is a field=value ling
+            pc++; // skip leading TAB
+
+            static const int lenField = 13; // strlen("icon-filename")
+            if ( wxStrncmp(pc, _T("icon-filename"), lenField) == 0 )
+            {
+                // skip '=' which follows and take everything left until the end
+                // of line
+                curIconFile = pc + lenField + 1;
+            }
+            //else: some other field, we don't care
+        }
+        else
+        {
+            // this is the start of the new section
+            curMimeType.Empty();
+
+            while ( *pc != _T(':') && *pc != _T('\0') )
+            {
+                curMimeType += *pc++;
+            }
+
+            if ( !*pc )
+            {
+                // we reached the end of line without finding the colon,
+                // something is wrong - ignore this line completely
+                wxLogDebug(_T("Unreckognized line %d in file '%s' ignored"),
+                           nLine + 1, filename.c_str());
+
+                break;
+            }
+        }
+    }
+}
+
+void wxGNOMEIconHandler::LoadKeyFilesFromDir(const wxString& dirbase)
+{
+    wxASSERT_MSG( !!dirbase && !wxEndsWithPathSeparator(dirbase),
+                  _T("base directory shouldn't end with a slash") );
+
+    wxString dirname = dirbase;
+    dirname << _T("/mime-info");
+
+    if ( !wxDir::Exists(dirname) )
+        return;
+
+    wxDir dir(dirname);
+    if ( !dir.IsOpened() )
+        return;
+
+    // we will concatenate it with filename to get the full path below
+    dirname += _T('/');
+
+    wxString filename;
+    bool cont = dir.GetFirst(&filename, _T("*.keys"), wxDIR_FILES);
+    while ( cont )
+    {
+        LoadIconsFromKeyFile(dirname + filename);
+
+        cont = dir.GetNext(&filename);
+    }
+}
+
+void wxGNOMEIconHandler::Init()
+{
+    wxArrayString dirs;
+    dirs.Add(_T("/usr/share"));
+
+    wxString gnomedir;
+    wxGetHomeDir( &gnomedir );
+    gnomedir += _T("/.gnome");
+    dirs.Add( gnomedir );
+
+    size_t nDirs = dirs.GetCount();
+    for ( size_t nDir = 0; nDir < nDirs; nDir++ )
+    {
+        LoadKeyFilesFromDir(dirs[nDir]);
+    }
+
+    m_inited = TRUE;
+}
+
+bool wxGNOMEIconHandler::GetIcon(const wxString& mimetype, wxIcon *icon)
+{
+    if ( !m_inited )
+    {
+        Init();
+    }
+
+    int index = ms_mimetypes.Index(mimetype);
+    if ( index == wxNOT_FOUND )
+        return FALSE;
+
+    wxString iconname = ms_icons[(size_t)index];
+
+#if wxUSE_GUI
+    *icon = wxIcon(iconname);
+#else
+    // helpful for testing in console mode
+    wxLogDebug(_T("Found GNOME icon for '%s': '%s'\n"),
+               mimetype.c_str(), iconname.c_str());
+#endif
+
+    return TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// wxKDEIconHandler
+// ----------------------------------------------------------------------------
+
+// KDE stores the icon info in its .kdelnk files. The file for mimetype/subtype
+// may be found in either of the following locations
+//
+//  1. $KDEDIR/share/mimelnk/mimetype/subtype.kdelnk
+//  2. ~/.kde/share/mimelnk/mimetype/subtype.kdelnk
+//
+// The format of a .kdelnk file is almost the same as the one used by
+// wxFileConfig, i.e. there are groups, comments and entries. The icon is the
+// value for the entry "Type"
+
+void wxKDEIconHandler::LoadLinksForMimeSubtype(const wxString& dirbase,
+                                               const wxString& subdir,
+                                               const wxString& filename)
+{
+    wxFFile file(dirbase + filename);
+    if ( !file.IsOpened() )
+        return;
+
+    // these files are small, slurp the entire file at once
+    wxString text;
+    if ( !file.ReadAll(&text) )
+        return;
+
+    int pos = text.Find(_T("Icon="));
+    if ( pos == wxNOT_FOUND )
+    {
+        // no icon info
+        return;
+    }
+
+    wxString icon;
+
+    const wxChar *pc = text.c_str() + pos + 5;  // 5 == strlen("Icon=")
+    while ( *pc && *pc != _T('\n') )
+    {
+        icon += *pc++;
+    }
+
+    if ( !!icon )
+    {
+        // don't check that the file actually exists - would be too slow
+        icon.Prepend(_T("/usr/share/icons/"));
+
+        // construct mimetype from the directory name and the basename of the
+        // file (it always has .kdelnk extension)
+        wxString mimetype;
+        mimetype << subdir << _T('/') << filename.BeforeLast(_T('.'));
+
+        // do we already have this MIME type?
+        int i = ms_mimetypes.Index(mimetype);
+        if ( i == wxNOT_FOUND )
+        {
+            // add it
+            size_t n = ms_mimetypes.Add(mimetype);
+            ms_icons.Insert(icon, n);
+        }
+        else
+        {
+            // replace the old value
+            ms_icons[(size_t)i] = icon;
+        }
+    }
+}
+
+void wxKDEIconHandler::LoadLinksForMimeType(const wxString& dirbase,
+                                            const wxString& subdir)
+{
+    wxString dirname = dirbase;
+    dirname += subdir;
+    wxDir dir(dirname);
+    if ( !dir.IsOpened() )
+        return;
+
+    dirname += _T('/');
+
+    wxString filename;
+    bool cont = dir.GetFirst(&filename, _T("*.kdelnk"), wxDIR_FILES);
+    while ( cont )
+    {
+        LoadLinksForMimeSubtype(dirname, subdir, filename);
+
+        cont = dir.GetNext(&filename);
+    }
+}
+
+void wxKDEIconHandler::LoadLinkFilesFromDir(const wxString& dirbase)
+{
+    wxASSERT_MSG( !!dirbase && !wxEndsWithPathSeparator(dirbase),
+                  _T("base directory shouldn't end with a slash") );
+
+    wxString dirname = dirbase;
+    dirname << _T("/mimelnk");
+
+    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 += _T('/');
+
+    wxString subdir;
+    bool cont = dir.GetFirst(&subdir, wxEmptyString, wxDIR_DIRS);
+    while ( cont )
+    {
+        LoadLinksForMimeType(dirname, subdir);
+
+        cont = dir.GetNext(&subdir);
+    }
+}
+
+void wxKDEIconHandler::Init()
+{
+    wxArrayString dirs;
+
+    // the variable KDEDIR is set when KDE is running
+    const char *kdedir = getenv("KDEDIR");
+    if ( kdedir )
+    {
+        dirs.Add(wxString(kdedir) + _T("/share"));
+    }
+    else
+    {
+        // try to guess KDEDIR
+        dirs.Add(_T("/usr/share"));
+        dirs.Add(_T("/opt/kde/share"));
+    }
+
+    dirs.Add(wxGetHomeDir() + _T("/.kde/share"));
+
+    size_t nDirs = dirs.GetCount();
+    for ( size_t nDir = 0; nDir < nDirs; nDir++ )
+    {
+        LoadLinkFilesFromDir(dirs[nDir]);
+    }
+
+    m_inited = TRUE;
+}
+
+bool wxKDEIconHandler::GetIcon(const wxString& mimetype, wxIcon *icon)
+{
+    if ( !m_inited )
+    {
+        Init();
+    }
+
+    int index = ms_mimetypes.Index(mimetype);
+    if ( index == wxNOT_FOUND )
+        return FALSE;
+
+    wxString iconname = ms_icons[(size_t)index];
+
+#if wxUSE_GUI
+    *icon = wxIcon(iconname);
+#else
+    // helpful for testing in console mode
+    wxLogDebug(_T("Found KDE icon for '%s': '%s'\n"),
+               mimetype.c_str(), iconname.c_str());
+#endif
+
+    return TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// wxFileTypeImpl (Unix)
+// ----------------------------------------------------------------------------
+
 MailCapEntry *
 wxFileTypeImpl::GetEntry(const wxFileType::MessageParameters& params) const
 {
@@ -729,12 +1567,12 @@ wxFileTypeImpl::GetEntry(const wxFileType::MessageParameters& params) const
 
         if ( command.IsEmpty() || (wxSystem(command) == 0) ) {
             // ok, passed
-            wxLogTrace(_T("Test '%s' for mime type '%s' succeeded."),
+            wxLogTrace(wxT("Test '%s' for mime type '%s' succeeded."),
                        command.c_str(), params.GetMimeType().c_str());
             break;
         }
         else {
-            wxLogTrace(_T("Test '%s' for mime type '%s' failed."),
+            wxLogTrace(wxT("Test '%s' for mime type '%s' failed."),
                        command.c_str(), params.GetMimeType().c_str());
         }
 
@@ -744,6 +1582,22 @@ wxFileTypeImpl::GetEntry(const wxFileType::MessageParameters& params) const
     return entry;
 }
 
+bool wxFileTypeImpl::GetIcon(wxIcon *icon) const
+{
+    wxString mimetype;
+    (void)GetMimeType(&mimetype);
+
+    ArrayIconHandlers& handlers = m_manager->GetIconHandlers();
+    size_t count = handlers.GetCount();
+    for ( size_t n = 0; n < count; n++ )
+    {
+        if ( handlers[n]->GetIcon(mimetype, icon) )
+            return TRUE;
+    }
+
+    return FALSE;
+}
+
 bool
 wxFileTypeImpl::GetExpandedCommand(wxString *expandedCmd,
                                    const wxFileType::MessageParameters& params,
@@ -773,7 +1627,7 @@ bool wxFileTypeImpl::GetExtensions(wxArrayString& extensions)
     // one extension in the space or comma delimitid list
     wxString strExt;
     for ( const wxChar *p = strExtensions; ; p++ ) {
-        if ( *p == _T(' ') || *p == _T(',') || *p == _T('\0') ) {
+        if ( *p == wxT(' ') || *p == wxT(',') || *p == wxT('\0') ) {
             if ( !strExt.IsEmpty() ) {
                 extensions.Add(strExt);
                 strExt.Empty();
@@ -781,13 +1635,13 @@ bool wxFileTypeImpl::GetExtensions(wxArrayString& extensions)
             //else: repeated spaces (shouldn't happen, but it's not that
             //      important if it does happen)
 
-            if ( *p == _T('\0') )
+            if ( *p == wxT('\0') )
                 break;
         }
-        else if ( *p == _T('.') ) {
+        else if ( *p == wxT('.') ) {
             // remove the dot from extension (but only if it's the first char)
             if ( !strExt.IsEmpty() ) {
-                strExt += _T('.');
+                strExt += wxT('.');
             }
             //else: no, don't append it
         }
@@ -799,6 +1653,22 @@ bool wxFileTypeImpl::GetExtensions(wxArrayString& extensions)
     return TRUE;
 }
 
+// ----------------------------------------------------------------------------
+// wxMimeTypesManagerImpl (Unix)
+// ----------------------------------------------------------------------------
+
+/* static */
+ArrayIconHandlers& wxMimeTypesManagerImpl::GetIconHandlers()
+{
+    if ( ms_iconHandlers.GetCount() == 0 )
+    {
+        ms_iconHandlers.Add(&gs_iconHandlerGNOME);
+        ms_iconHandlers.Add(&gs_iconHandlerKDE);
+    }
+
+    return ms_iconHandlers;
+}
+
 // read system and user mailcaps (TODO implement mime.types support)
 wxMimeTypesManagerImpl::wxMimeTypesManagerImpl()
 {
@@ -806,38 +1676,38 @@ wxMimeTypesManagerImpl::wxMimeTypesManagerImpl()
     // (taken from metamail(1) sources)
     static const wxChar *aStandardLocations[] =
     {
-        _T("/etc"),
-        _T("/usr/etc"),
-        _T("/usr/local/etc"),
-        _T("/etc/mail"),
-        _T("/usr/public/lib")
+        wxT("/etc"),
+        wxT("/usr/etc"),
+        wxT("/usr/local/etc"),
+        wxT("/etc/mail"),
+        wxT("/usr/public/lib")
     };
 
     // first read the system wide file(s)
     for ( size_t n = 0; n < WXSIZEOF(aStandardLocations); n++ ) {
         wxString dir = aStandardLocations[n];
 
-        wxString file = dir + _T("/mailcap");
+        wxString file = dir + wxT("/mailcap");
         if ( wxFile::Exists(file) ) {
             ReadMailcap(file);
         }
 
-        file = dir + _T("/mime.types");
+        file = dir + wxT("/mime.types");
         if ( wxFile::Exists(file) ) {
             ReadMimeTypes(file);
         }
     }
 
-    wxString strHome = wxGetenv(_T("HOME"));
+    wxString strHome = wxGetenv(wxT("HOME"));
 
     // and now the users mailcap
-    wxString strUserMailcap = strHome + _T("/.mailcap");
+    wxString strUserMailcap = strHome + wxT("/.mailcap");
     if ( wxFile::Exists(strUserMailcap) ) {
         ReadMailcap(strUserMailcap);
     }
 
     // read the users mime.types
-    wxString strUserMimeTypes = strHome + _T("/.mime.types");
+    wxString strUserMimeTypes = strHome + wxT("/.mime.types");
     if ( wxFile::Exists(strUserMimeTypes) ) {
         ReadMimeTypes(strUserMimeTypes);
     }
@@ -850,8 +1720,8 @@ wxMimeTypesManagerImpl::GetFileTypeFromExtension(const wxString& ext)
     for ( size_t n = 0; n < count; n++ ) {
         wxString extensions = m_aExtensions[n];
         while ( !extensions.IsEmpty() ) {
-            wxString field = extensions.BeforeFirst(_T(' '));
-            extensions = extensions.AfterFirst(_T(' '));
+            wxString field = extensions.BeforeFirst(wxT(' '));
+            extensions = extensions.AfterFirst(wxT(' '));
 
             // consider extensions as not being case-sensitive
             if ( field.IsSameAs(ext, FALSE /* no case */) ) {
@@ -881,12 +1751,12 @@ wxMimeTypesManagerImpl::GetFileTypeFromMimeType(const wxString& mimeType)
         // then try to find "text/*" as match for "text/plain" (for example)
         // NB: if mimeType doesn't contain '/' at all, BeforeFirst() will return
         //     the whole string - ok.
-        wxString strCategory = mimetype.BeforeFirst(_T('/'));
+        wxString strCategory = mimetype.BeforeFirst(wxT('/'));
 
         size_t nCount = m_aTypes.Count();
         for ( size_t n = 0; n < nCount; n++ ) {
-            if ( (m_aTypes[n].BeforeFirst(_T('/')) == strCategory ) &&
-                 m_aTypes[n].AfterFirst(_T('/')) == _T("*") ) {
+            if ( (m_aTypes[n].BeforeFirst(wxT('/')) == strCategory ) &&
+                 m_aTypes[n].AfterFirst(wxT('/')) == wxT("*") ) {
                     index = n;
                     break;
             }
@@ -905,9 +1775,81 @@ wxMimeTypesManagerImpl::GetFileTypeFromMimeType(const wxString& mimeType)
     }
 }
 
+void wxMimeTypesManagerImpl::AddFallback(const wxFileTypeInfo& filetype)
+{
+    wxString extensions;
+    const wxArrayString& exts = filetype.GetExtensions();
+    size_t nExts = exts.GetCount();
+    for ( size_t nExt = 0; nExt < nExts; nExt++ ) {
+        if ( nExt > 0 ) {
+            extensions += wxT(' ');
+        }
+        extensions += exts[nExt];
+    }
+
+    AddMimeTypeInfo(filetype.GetMimeType(),
+                    extensions,
+                    filetype.GetDescription());
+
+    AddMailcapInfo(filetype.GetMimeType(),
+                   filetype.GetOpenCommand(),
+                   filetype.GetPrintCommand(),
+                   wxT(""),
+                   filetype.GetDescription());
+}
+
+void wxMimeTypesManagerImpl::AddMimeTypeInfo(const wxString& strMimeType,
+                                             const wxString& strExtensions,
+                                             const wxString& strDesc)
+{
+    int index = m_aTypes.Index(strMimeType);
+    if ( index == wxNOT_FOUND ) {
+        // add a new entry
+        m_aTypes.Add(strMimeType);
+        m_aEntries.Add(NULL);
+        m_aExtensions.Add(strExtensions);
+        m_aDescriptions.Add(strDesc);
+    }
+    else {
+        // modify an existing one
+        if ( !strDesc.IsEmpty() ) {
+            m_aDescriptions[index] = strDesc;   // replace old value
+        }
+        m_aExtensions[index] += ' ' + strExtensions;
+    }
+}
+
+void wxMimeTypesManagerImpl::AddMailcapInfo(const wxString& strType,
+                                            const wxString& strOpenCmd,
+                                            const wxString& strPrintCmd,
+                                            const wxString& strTest,
+                                            const wxString& strDesc)
+{
+    MailCapEntry *entry = new MailCapEntry(strOpenCmd, strPrintCmd, strTest);
+
+    int nIndex = m_aTypes.Index(strType);
+    if ( nIndex == wxNOT_FOUND ) {
+        // new file type
+        m_aTypes.Add(strType);
+
+        m_aEntries.Add(entry);
+        m_aExtensions.Add(wxT(""));
+        m_aDescriptions.Add(strDesc);
+    }
+    else {
+        // always append the entry in the tail of the list - info added with
+        // this function can only come from AddFallbacks()
+        MailCapEntry *entryOld = m_aEntries[nIndex];
+        if ( entryOld )
+            entry->Append(entryOld);
+        else
+            m_aEntries[nIndex] = entry;
+    }
+}
+
 bool wxMimeTypesManagerImpl::ReadMimeTypes(const wxString& strFileName)
 {
-    wxLogTrace(_T("--- Parsing mime.types file '%s' ---"), strFileName.c_str());
+    wxLogTrace(wxT("--- Parsing mime.types file '%s' ---"), strFileName.c_str());
 
     wxTextFile file(strFileName);
     if ( !file.Open() )
@@ -932,21 +1874,21 @@ bool wxMimeTypesManagerImpl::ReadMimeTypes(const wxString& strFileName)
         while ( wxIsspace(*pc) )
             pc++;
 
-        // comment?
-        if ( *pc == _T('#') ) {
+        // comment or blank line?
+        if ( *pc == wxT('#') || !*pc ) {
             // skip the whole line
             pc = NULL;
             continue;
         }
 
         // detect file format
-        const wxChar *pEqualSign = wxStrchr(pc, _T('='));
+        const wxChar *pEqualSign = wxStrchr(pc, wxT('='));
         if ( pEqualSign == NULL ) {
             // brief format
             // ------------
 
             // first field is mime type
-            for ( strMimeType.Empty(); !wxIsspace(*pc) && *pc != _T('\0'); pc++ ) {
+            for ( strMimeType.Empty(); !wxIsspace(*pc) && *pc != wxT('\0'); pc++ ) {
                 strMimeType += *pc;
             }
 
@@ -972,9 +1914,9 @@ bool wxMimeTypesManagerImpl::ReadMimeTypes(const wxString& strFileName)
                 ;
 
             const wxChar *pEnd;
-            if ( *pc == _T('"') ) {
+            if ( *pc == wxT('"') ) {
                 // the string is quoted and ends at the matching quote
-                pEnd = wxStrchr(++pc, _T('"'));
+                pEnd = wxStrchr(++pc, wxT('"'));
                 if ( pEnd == NULL ) {
                     wxLogWarning(_("Mime.types file %s, line %d: unterminated "
                                    "quoted string."),
@@ -991,7 +1933,7 @@ bool wxMimeTypesManagerImpl::ReadMimeTypes(const wxString& strFileName)
             wxString strRHS(pc, pEnd - pc);
 
             // check what follows this entry
-            if ( *pEnd == _T('"') ) {
+            if ( *pEnd == wxT('"') ) {
                 // skip this quote
                 pEnd++;
             }
@@ -1001,20 +1943,20 @@ bool wxMimeTypesManagerImpl::ReadMimeTypes(const wxString& strFileName)
 
             // if there is something left, it may be either a '\\' to continue
             // the line or the next field of the same entry
-            bool entryEnded = *pc == _T('\0'),
+            bool entryEnded = *pc == wxT('\0'),
                  nextFieldOnSameLine = FALSE;
             if ( !entryEnded ) {
-                nextFieldOnSameLine = ((*pc != _T('\\')) || (pc[1] != _T('\0')));
+                nextFieldOnSameLine = ((*pc != wxT('\\')) || (pc[1] != wxT('\0')));
             }
 
             // now see what we got
-            if ( strLHS == _T("type") ) {
+            if ( strLHS == wxT("type") ) {
                 strMimeType = strRHS;
             }
-            else if ( strLHS == _T("desc") ) {
+            else if ( strLHS == wxT("desc") ) {
                 strDesc = strRHS;
             }
-            else if ( strLHS == _T("exts") ) {
+            else if ( strLHS == wxT("exts") ) {
                 strExtensions = strRHS;
             }
             else {
@@ -1037,28 +1979,15 @@ bool wxMimeTypesManagerImpl::ReadMimeTypes(const wxString& strFileName)
         // although it doesn't seem to be covered by RFCs, some programs
         // (notably Netscape) create their entries with several comma
         // separated extensions (RFC mention the spaces only)
-        strExtensions.Replace(_T(","), _T(" "));
+        strExtensions.Replace(wxT(","), wxT(" "));
 
         // also deal with the leading dot
-        if ( !strExtensions.IsEmpty() && strExtensions[0] == _T('.') ) {
+        if ( !strExtensions.IsEmpty() && strExtensions[0u] == wxT('.') )
+        {
             strExtensions.erase(0, 1);
         }
 
-        int index = m_aTypes.Index(strMimeType);
-        if ( index == wxNOT_FOUND ) {
-            // add a new entry
-            m_aTypes.Add(strMimeType);
-            m_aEntries.Add(NULL);
-            m_aExtensions.Add(strExtensions);
-            m_aDescriptions.Add(strDesc);
-        }
-        else {
-            // modify an existing one
-            if ( !strDesc.IsEmpty() ) {
-                m_aDescriptions[index] = strDesc;   // replace old value
-            }
-            m_aExtensions[index] += strExtensions;
-        }
+        AddMimeTypeInfo(strMimeType, strExtensions, strDesc);
 
         // finished with this line
         pc = NULL;
@@ -1075,7 +2004,7 @@ bool wxMimeTypesManagerImpl::ReadMimeTypes(const wxString& strFileName)
 bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
                                          bool fallback)
 {
-    wxLogTrace(_T("--- Parsing mailcap file '%s' ---"), strFileName.c_str());
+    wxLogTrace(wxT("--- Parsing mailcap file '%s' ---"), strFileName.c_str());
 
     wxTextFile file(strFileName);
     if ( !file.Open() )
@@ -1099,7 +2028,7 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
             pc++;
 
         // comment or empty string?
-        if ( *pc == _T('#') || *pc == _T('\0') )
+        if ( *pc == wxT('#') || *pc == wxT('\0') )
             continue;
 
         // no, do parse
@@ -1125,10 +2054,10 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
                  curField; // accumulator
         for ( bool cont = TRUE; cont; pc++ ) {
             switch ( *pc ) {
-                case _T('\\'):
+                case wxT('\\'):
                     // interpret the next character literally (notice that
                     // backslash can be used for line continuation)
-                    if ( *++pc == _T('\0') ) {
+                    if ( *++pc == wxT('\0') ) {
                         // fetch the next line.
 
                         // pc currently points to nowhere, but after the next
@@ -1142,12 +2071,12 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
                     }
                     break;
 
-                case _T('\0'):
+                case wxT('\0'):
                     cont = FALSE;   // end of line reached, exit the loop
 
                     // fall through
 
-                case _T(';'):
+                case wxT(';'):
                     // store this field and start looking for the next one
 
                     // trim whitespaces from both sides
@@ -1156,9 +2085,9 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
                     switch ( currentToken ) {
                         case Field_Type:
                             strType = curField;
-                            if ( strType.Find(_T('/')) == wxNOT_FOUND ) {
+                            if ( strType.Find(wxT('/')) == wxNOT_FOUND ) {
                                 // we interpret "type" as "type/*"
-                                strType += _T("/*");
+                                strType += wxT("/*");
                             }
 
                             currentToken = Field_OpenCmd;
@@ -1176,22 +2105,22 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
                                 bool ok = TRUE;
 
                                 // is this something of the form foo=bar?
-                                const wxChar *pEq = wxStrchr(curField, _T('='));
+                                const wxChar *pEq = wxStrchr(curField, wxT('='));
                                 if ( pEq != NULL ) {
-                                    wxString lhs = curField.BeforeFirst(_T('=')),
-                                             rhs = curField.AfterFirst(_T('='));
+                                    wxString lhs = curField.BeforeFirst(wxT('=')),
+                                             rhs = curField.AfterFirst(wxT('='));
 
                                     lhs.Trim(TRUE);     // from right
                                     rhs.Trim(FALSE);    // from left
 
-                                    if ( lhs == _T("print") )
+                                    if ( lhs == wxT("print") )
                                         strPrintCmd = rhs;
-                                    else if ( lhs == _T("test") )
+                                    else if ( lhs == wxT("test") )
                                         strTest = rhs;
-                                    else if ( lhs == _T("description") ) {
+                                    else if ( lhs == wxT("description") ) {
                                         // it might be quoted
-                                        if ( rhs[0u] == _T('"') &&
-                                             rhs.Last() == _T('"') ) {
+                                        if ( rhs[0u] == wxT('"') &&
+                                             rhs.Last() == wxT('"') ) {
                                             strDesc = wxString(rhs.c_str() + 1,
                                                                rhs.Len() - 2);
                                         }
@@ -1199,10 +2128,10 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
                                             strDesc = rhs;
                                         }
                                     }
-                                    else if ( lhs == _T("compose") ||
-                                              lhs == _T("composetyped") ||
-                                              lhs == _T("notes") ||
-                                              lhs == _T("edit") )
+                                    else if ( lhs == wxT("compose") ||
+                                              lhs == wxT("composetyped") ||
+                                              lhs == wxT("notes") ||
+                                              lhs == wxT("edit") )
                                         ;   // ignore
                                     else
                                         ok = FALSE;
@@ -1213,11 +2142,11 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
                                     // TODO support the flags:
                                     //  1. create an xterm for 'needsterminal'
                                     //  2. append "| $PAGER" for 'copiousoutput'
-                                    if ( curField == _T("needsterminal") )
+                                    if ( curField == wxT("needsterminal") )
                                         needsterminal = TRUE;
-                                    else if ( curField == _T("copiousoutput") )
+                                    else if ( curField == wxT("copiousoutput") )
                                         copiousoutput = TRUE;
-                                    else if ( curField == _T("textualnewlines") )
+                                    else if ( curField == wxT("textualnewlines") )
                                         ;   // ignore
                                     else
                                         ok = FALSE;
@@ -1225,21 +2154,27 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
 
                                 if ( !ok )
                                 {
-                                    // don't flood the user with error messages
-                                    // if we don't understand something in his
-                                    // mailcap, but give them in debug mode
-                                    // because this might be useful for the
-                                    // programmer
-                                    wxLogDebug
-                                    (
-                                      _T("Mailcap file %s, line %d: unknown "
-                                      "field '%s' for the MIME type "
-                                      "'%s' ignored."),
-                                      strFileName.c_str(),
-                                      nLine + 1,
-                                      curField.c_str(),
-                                      strType.c_str()
-                                    );
+                                    // we don't understand this field, but
+                                    // Netscape stores info in it, so don't warn
+                                    // about it
+                                    if ( curField.Left(16u) != "x-mozilla-flags=" )
+                                    {
+                                        // don't flood the user with error
+                                        // messages if we don't understand
+                                        // something in his mailcap, but give
+                                        // them in debug mode because this might
+                                        // be useful for the programmer
+                                        wxLogDebug
+                                        (
+                                          wxT("Mailcap file %s, line %d: "
+                                              "unknown field '%s' for the "
+                                              "MIME type '%s' ignored."),
+                                              strFileName.c_str(),
+                                              nLine + 1,
+                                              curField.c_str(),
+                                              strType.c_str()
+                                        );
+                                    }
                                 }
                             }
 
@@ -1248,7 +2183,7 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
                             break;
 
                         default:
-                            wxFAIL_MSG(_T("unknown field type in mailcap"));
+                            wxFAIL_MSG(wxT("unknown field type in mailcap"));
                     }
 
                     // next token starts immediately after ';'
@@ -1271,6 +2206,8 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
                                                    strPrintCmd,
                                                    strTest);
 
+            // NB: because of complications below (we must get entries priority
+            //     right), we can't use AddMailcapInfo() here, unfortunately.
             strType.MakeLower();
             int nIndex = m_aTypes.Index(strType);
             if ( nIndex == wxNOT_FOUND ) {
@@ -1278,7 +2215,7 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
                 m_aTypes.Add(strType);
 
                 m_aEntries.Add(entry);
-                m_aExtensions.Add(_T(""));
+                m_aExtensions.Add(wxT(""));
                 m_aDescriptions.Add(strDesc);
             }
             else {
@@ -1341,7 +2278,30 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
     return TRUE;
 }
 
-#endif // OS type
+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];
+        if ( type.Find(_T('*')) == wxNOT_FOUND )
+        {
+            mimetypes.Add(type);
+        }
+    }
+
+    return mimetypes.GetCount();
+}
+
+#endif
+  // OS type
+
+#endif
+  // wxUSE_FILE && wxUSE_TEXTFILE
 
 #endif
   // __WIN16__