add ScreenType for screen's type identification

src/screen_type.cpp

@@ -0,0 +1,70 @@
+/***************************************************************************
+ *   Copyright (C) 2008-2012 by Andrzej Rybczak                            *
+ *   electricityispower@gmail.com                                          *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.              *
+ ***************************************************************************/
+
+#include "screen_type.h"
+
+ScreenType stringtoStarterScreenType(const std::string &s)
+{
+	ScreenType result = ScreenType::Unknown;
+	if (s == "browser")
+		result = ScreenType::Browser;
+	else if (s == "clock")
+		result = ScreenType::Clock;
+	else if (s == "help")
+		result = ScreenType::Help;
+	else if (s == "media_library")
+		result = ScreenType::MediaLibrary;
+	else if (s == "outputs")
+		result = ScreenType::Outputs;
+	else if (s == "playlist")
+		result = ScreenType::Playlist;
+	else if (s == "playlist_editor")
+		result = ScreenType::PlaylistEditor;
+	else if (s == "search_engine")
+		result = ScreenType::SearchEngine;
+	else if (s == "tag_editor")
+		result = ScreenType::TagEditor;
+	else if (s == "visualizer")
+		result = ScreenType::Visualizer;
+	return result;
+}
+
+ScreenType stringToScreenType(const std::string &s)
+{
+	ScreenType result = stringtoStarterScreenType(s);
+	if (result == ScreenType::Unknown)
+	{
+		if (s == "last_fm")
+			result = ScreenType::Lastfm;
+		else if (s == "lyrics")
+			result = ScreenType::Lyrics;
+		else if (s == "selected_items_adder")
+			result = ScreenType::SelectedItemsAdder;
+		else if (s == "server_info")
+			result = ScreenType::ServerInfo;
+		else if (s == "song_info")
+			result = ScreenType::SongInfo;
+		else if (s == "sort_playlist_dialog")
+			result = ScreenType::SortPlaylistDialog;
+		else if (s == "tiny_tag_editor")
+			result = ScreenType::TinyTagEditor;
+	}
+	return result;
+}