new screen: mpd server info

src/server_info.cpp

@@ -0,0 +1,134 @@
+/***************************************************************************
+ *   Copyright (C) 2008-2009 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 <iomanip>
+
+#include "global.h"
+#include "server_info.h"
+
+using Global::MainHeight;
+using Global::MainStartY;
+using Global::myScreen;
+using Global::myOldScreen;
+
+ServerInfo *myServerInfo = new ServerInfo;
+
+void ServerInfo::Init()
+{
+	SetDimensions();
+	w = new Scrollpad((COLS-itsWidth)/2, (MainHeight-itsHeight)/2+MainStartY, itsWidth, itsHeight, "MPD server info", Config.main_color, Config.window_border);
+	w->SetTimeout(ncmpcpp_window_timeout);
+	
+	Mpd.GetURLHandlers(itsURLHandlers);
+	Mpd.GetTagTypes(itsTagTypes);
+	
+	isInitialized = 1;
+}
+
+void ServerInfo::SwitchTo()
+{
+	if (myScreen == this)
+	{
+		myOldScreen->SwitchTo();
+		return;
+	}
+	if (MainHeight < 5)
+	{
+		ShowMessage("Screen is too small to display this window!");
+		return;
+	}
+	
+	if (!isInitialized)
+		Init();
+	
+	// Resize() can fall back to old screen, so we need it updated
+	myOldScreen = myScreen;
+	
+	if (hasToBeResized)
+		Resize();
+	
+	myScreen = this;
+	w->Window::Clear();
+}
+
+void ServerInfo::Resize()
+{
+	SetDimensions();
+	if (itsHeight < 5) // screen too low to display this window
+		return myOldScreen->SwitchTo();
+	w->Resize(itsWidth, itsHeight);
+	w->MoveTo((COLS-itsWidth)/2, (MainHeight-itsHeight)/2+MainStartY);
+	if (myOldScreen && myOldScreen->hasToBeResized) // resize background window
+	{
+		myOldScreen->Resize();
+		myOldScreen->Refresh();
+	}
+	hasToBeResized = 0;
+}
+
+std::basic_string<my_char_t> ServerInfo::Title()
+{
+	return myOldScreen->Title();
+}
+
+void ServerInfo::Update()
+{
+	static time_t now = 0, past;
+	time(&past);
+	if (past <= now)
+		return;
+	time(&now);
+	
+	Mpd.UpdateStats();
+	w->Clear(0);
+	
+	*w << fmtBold << U("Version: ") << fmtBoldEnd << U("0.") << std::fixed << std::setprecision(1) << Mpd.Version() << '\n';
+	*w << fmtBold << U("Uptime: ") << fmtBoldEnd;
+	ShowTime(*w, Mpd.Uptime(), 1);
+	*w << '\n';
+	*w << fmtBold << U("Time playing: ") << fmtBoldEnd << MPD::Song::ShowTime(Mpd.PlayTime()) << '\n';
+	*w << '\n';
+	*w << fmtBold << U("Total playtime: ") << fmtBoldEnd;
+	ShowTime(*w, Mpd.DBPlayTime(), 1);
+	*w << '\n';
+	*w << fmtBold << U("Number of artists: ") << fmtBoldEnd << Mpd.NumberOfArtists() << '\n';
+	*w << fmtBold << U("Number of albums: ") << fmtBoldEnd << Mpd.NumberOfAlbums() << '\n';
+	*w << fmtBold << U("Number of songs: ") << fmtBoldEnd << Mpd.NumberOfSongs() << '\n';
+	*w << '\n';
+	*w << fmtBold << U("Last DB update: ") << fmtBoldEnd << Timestamp(Mpd.DBUpdateTime()) << '\n';
+	*w << '\n';
+	*w << fmtBold << U("URL Handlers:") << fmtBoldEnd;
+	for (MPD::TagList::const_iterator it = itsURLHandlers.begin(); it != itsURLHandlers.end(); ++it)
+		*w << (it != itsURLHandlers.begin() ? U(", ") : U(" ")) << *it;
+	*w << U("\n\n");
+	*w << fmtBold << U("Tag Types:") << fmtBoldEnd;
+	for (MPD::TagList::const_iterator it = itsTagTypes.begin(); it != itsTagTypes.end(); ++it)
+		*w << (it != itsTagTypes.begin() ? U(", ") : U(" ")) << *it;
+	
+	w->Flush();
+	w->Refresh();
+}
+
+void ServerInfo::SetDimensions()
+{
+	itsWidth = COLS*0.6;
+	itsHeight = std::min(size_t(LINES*0.7), MainHeight);
+}
+