our current experimental Neutrino branch

git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@27 e54a6e83-5905-42d5-8d5c-058d10e6a962

src/gui/filebrowser.h

@@ -0,0 +1,233 @@
+/*
+	Neutrino-GUI  -   DBoxII-Project
+
+	Copyright (C) 2001 Steffen Hehn 'McClean'
+	Homepage: http://dbox.cyberphoria.org/
+
+	Kommentar:
+
+	Diese GUI wurde von Grund auf neu programmiert und sollte nun vom
+	Aufbau und auch den Ausbaumoeglichkeiten gut aussehen. Neutrino basiert
+	auf der Client-Server Idee, diese GUI ist also von der direkten DBox-
+	Steuerung getrennt. Diese wird dann von Daemons uebernommen.
+
+
+	License: GPL
+
+	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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+
+#ifndef __FILEBROWSER_HPP__
+#define __FILEBROWSER_HPP__
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <driver/file.h>
+#include <driver/framebuffer.h>
+#include <driver/fontrenderer.h>
+#include <driver/rcinput.h>
+
+#include <gui/color.h>
+#include <gui/infoviewer.h>
+
+#include <gui/widget/menue.h>
+#include <gui/widget/progresswindow.h>
+
+#include <system/settings.h>
+
+#include <string>
+#include <vector>
+
+#define ENABLE_INTERNETRADIO
+#define VLC_URI "vlc://"
+
+/**
+ * Converts input of numeric keys to SMS style char input.
+ */
+class SMSKeyInput
+{
+	// time since last input
+	timeval m_oldKeyTime;
+
+	// last key input
+	unsigned char m_oldKey;
+
+	// keypresses within this period are taken as a sequence
+	int m_timeout;
+public:
+	SMSKeyInput();
+
+	/**
+	 * Returns the SMS char calculated with respect to the new input.
+	 * @param msg the current RC input
+	 * @return the calculated SMS char
+	 */
+	unsigned char handleMsg(const neutrino_msg_t msg);
+
+	/**
+	 * Resets the key history which is needed for proper calculation
+	 * of the SMS char by #handleMsg(neutrino_msg_t)
+	 */
+	void resetOldKey();
+
+	/**
+	 * @return the last key calculated by #handleMsg(neutrino_msg_t)
+	 */
+	unsigned char getOldKey() const;
+	
+	/**
+	 * Returns time of last key push.
+	 * resolution: usecs
+	 */
+	const timeval* getOldKeyTime() const;
+
+	/**
+	 * Returns time of last key push.
+	 * resolution: seconds
+	 */
+	time_t getOldKeyTimeSec() const;
+
+	int getTimeout() const;
+
+	/**
+	 * Sets the timeout.
+	 * @param timeout keypresses within this period are taken as a
+	 * sequence. unit: msecs
+	 */
+	void setTimeout(int timeout);
+};
+//------------------------------------------------------------------------
+
+
+class CFileFilter
+{
+	std::vector<std::string> Filter;
+public:
+	void addFilter(const std::string & filter){Filter.push_back(filter);};
+	bool matchFilter(const std::string & name)
+	{
+		int ext_pos = 0;
+		ext_pos = name.rfind('.');
+		if( ext_pos > 0)
+		{
+			std::string extension;
+			extension = name.substr(ext_pos + 1, name.length() - ext_pos);
+			for(unsigned int i = 0; i < Filter.size();i++)
+				if(strcasecmp(Filter[i].c_str(),extension.c_str()) == 0)
+					return true;
+		}
+		return false;
+	};
+	void Clear(void) { Filter.clear();};
+};
+//------------------------------------------------------------------------
+
+#define FILEBROWSER_NUMBER_OF_SORT_VARIANTS 5
+
+class CFileBrowser
+{
+	private:
+		CFrameBuffer		*frameBuffer;
+
+		CFileList		selected_filelist;
+		bool			readDir(const std::string & dirname, CFileList* flist);
+#ifdef ENABLE_MOVIEPLAYER_VLC
+		bool			readDir_vlc(const std::string & dirname, CFileList* flist);
+#endif
+		bool			readDir_std(const std::string & dirname, CFileList* flist);
+#ifdef ENABLE_INTERNETRADIO
+		bool			readDir_sc(const std::string & dirname, CFileList* flist);
+#endif
+		void			addRecursiveDir(CFileList * re_filelist, std::string path, bool bRootCall, CProgressWindow * progress = NULL);
+		void SMSInput(const neutrino_msg_t msg);
+
+		unsigned int		selected;
+		unsigned int		liststart;
+		unsigned int		listmaxshow;
+		std::vector<unsigned int> selections;
+
+		int 			fheight;	// Fonthoehe Filelist-Inhalt
+		int 			theight;	// Fonthoehe Filelist-Titel
+		int			foheight;	// Hoehe der button leiste
+		std::string		name;
+		std::string		base;
+		std::string		m_baseurl;
+		int 			width;
+		int 			height;
+		bool			use_filter;
+		bool			bCancel;
+
+		int 			x;
+		int 			y;
+
+		SMSKeyInput m_SMSKeyInput;
+
+		void paintItem(unsigned pos);
+		void paint();
+		void paintHead();
+		void paintFoot();
+		void recursiveDelete(const char* file);
+
+	protected:
+		void commonInit();
+
+	public:
+		CFileList		filelist;
+
+		typedef enum {
+			ModeFile,
+			ModeVLC,
+			ModeSC
+		} tFileBrowserMode;
+
+		/**
+		 * @param selection select the specified entry, ignored if selection == -1
+		 */
+		void ChangeDir(const std::string & filename, int selection = -1);
+		void hide();
+
+		std::string		Path;
+		bool			Multi_Select;
+		bool			Dirs_Selectable;
+		bool			Dir_Mode;
+		bool                    Hide_records;
+		CFileFilter *	Filter;
+
+		CFileBrowser();
+		CFileBrowser(const char * const _base, const tFileBrowserMode mode = ModeFile);
+		~CFileBrowser();
+
+		bool		exec(const char * const dirname);
+		CFile		*getSelectedFile();
+		
+		inline const CFileList & getSelectedFiles(void) const
+			{
+				return selected_filelist;
+			}
+
+		inline const std::string & getCurrentDir(void) const
+			{
+				return Path;
+			}
+
+//		size_t CurlWriteToString(void *ptr, size_t size, size_t nmemb, void *data);
+	private:
+		tFileBrowserMode 	m_Mode;
+};
+
+#endif