+// ============================================================================
+// 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)
+// ----------------------------------------------------------------------------
+
projects / wxWidgets.git / blobdiff