move statusbar/progressbar related code to separate file

src/statusbar.h

@@ -0,0 +1,90 @@
+/***************************************************************************
+ *   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.              *
+ ***************************************************************************/
+
+#ifndef _STATUSBAR_H
+#define _STATUSBAR_H
+
+#include "gcc.h"
+#include "interfaces.h"
+#include "window.h"
+
+namespace Progressbar {//
+
+/// locks progressbar (usually used for seeking)
+void lock();
+
+/// unlocks progressbar (usually right after seeking is done)
+void unlock();
+
+/// @return true if progressbar is unlocked
+bool isUnlocked();
+
+/// draws progressbar
+void draw(unsigned elapsed, unsigned time);
+
+}
+
+namespace Statusbar{//
+
+/// locks statusbar (usually for prompting the user)
+void lock();
+
+/// unlocks statusbar (usually after prompting the user)
+void unlock();
+
+/// @return true if statusbar is unlocked
+bool isUnlocked();
+
+/// tries to clear current message put there using Statusbar::msg if there is any
+void tryRedraw();
+
+/// clears statusbar and move cursor to beginning of line
+/// @return window object that represents statusbar
+NC::Window &put();
+
+/// displays message in statusbar for period of time set in configuration file
+void msg(const char *format, ...) GNUC_PRINTF(1, 2);
+
+namespace Helpers {//
+
+/// called when statusbar window detects incoming idle notification
+void mpd();
+
+/// called each time user types another character while inside Window::getString
+void getString(const std::wstring &);
+
+/// called each time user changes current filter (while being inside Window::getString)
+struct ApplyFilterImmediately
+{
+	ApplyFilterImmediately(Filterable *f, const std::wstring &filter)
+	: m_f(f), m_ws(filter) { }
+	
+	void operator()(const std::wstring &ws);
+	
+private:
+	Filterable *m_f;
+	std::wstring m_ws;
+};
+
+}
+
+}
+
+#endif // _STATUSBAR_H