Exemplo n.º 1
0
int main(int argc, char *argv[])
{
	KCmdLineArgs::init(argc, argv, appName, "kscreensaver", ki18n("Random screen saver"), 
                KDE_VERSION_STRING, ki18n(description));


	KCmdLineOptions options;

	options.add("setup", ki18n("Setup screen saver"));

	options.add("window-id wid", ki18n("Run in the specified XWindow"));

	options.add("root", ki18n("Run in the root XWindow"));

	KCmdLineArgs::addCmdLineOptions(options);

	KApplication app;

	WId windowId = 0;

	KCmdLineArgs *args = KCmdLineArgs::parsedArgs();

	if (args->isSet("setup"))
	{
		KRandomSetup setup;
		setup.exec();
		exit(0);
	}

	if (args->isSet("window-id"))
	{
		windowId = args->getOption("window-id").toInt();
	}

#ifdef Q_WS_X11
	if (args->isSet("root"))
	{
		QX11Info info;
		windowId = RootWindow(QX11Info::display(), info.screen());
	}
#endif
	args->clear();
	const KService::List lst = KServiceTypeTrader::self()->query( "ScreenSaver");
        KService::List availableSavers;

	KConfig type("krandom.kssrc", KConfig::NoGlobals);
        const KConfigGroup configGroup = type.group("Settings");
	const bool opengl = configGroup.readEntry("OpenGL", false);
	const bool manipulatescreen = configGroup.readEntry("ManipulateScreen", false);
        // TODO replace this with TryExec=fortune in the desktop files
        const bool fortune = !KStandardDirs::findExe("fortune").isEmpty();
        foreach( const KService::Ptr& service, lst ) {
            //QString file = KStandardDirs::locate("services", service->entryPath());
            //kDebug() << "Looking at " << file;
            const QString saverType = service->property("X-KDE-Type").toString();
            foreach (const QString &type, saverType.split(QLatin1Char(';'))) {
                //kDebug() << "saverTypes is "<< type;
                if (type == QLatin1String("ManipulateScreen")) {
                    if (!manipulatescreen)
                        goto fail;
                } else if (type == QLatin1String("OpenGL")) {
                    if (!opengl)
                        goto fail;
                } else if (type == QLatin1String("Fortune")) {
                    if (!fortune)
                        goto fail;
                }
            }
            availableSavers.append(service);
          fail: ;
        }

	KRandomSequence rnd;
	const int indx = rnd.getLong(availableSavers.count());
        const KService::Ptr service = availableSavers.at(indx);
        const QList<KServiceAction> actions = service->actions();

	QString cmd;
	if (windowId)
            cmd = exeFromActionGroup(actions, "InWindow");
        if (cmd.isEmpty() && windowId == 0)
            cmd = exeFromActionGroup(actions, "Root");
        if (cmd.isEmpty())
            cmd = service->exec();

    QHash<QChar, QString> keyMap;
    keyMap.insert('w', QString::number(windowId));
    const QStringList words = KShell::splitArgs(KMacroExpander::expandMacrosShellQuote(cmd, keyMap));
    if (!words.isEmpty()) {
        QString exeFile = KStandardDirs::findExe(words.first());
        if (!exeFile.isEmpty()) {
            char **sargs = new char *[words.size() + 1];
            int i = 0;
            for (; i < words.size(); i++)
                sargs[i] = qstrdup(words[i].toLocal8Bit().constData());
            sargs[i] = 0;

            execv(exeFile.toLocal8Bit(), sargs);
        }
    }

	// If we end up here then we couldn't start a saver.
	// If we have been supplied a window id or root window then blank it.
#ifdef Q_WS_X11
	QX11Info info;
	Window win = windowId ? windowId : RootWindow(QX11Info::display(), info.screen());
	XSetWindowBackground(QX11Info::display(), win,
			BlackPixel(QX11Info::display(), info.screen()));
	XClearWindow(QX11Info::display(), win);
#endif
}
Exemplo n.º 2
0
int main(int argc, char *argv[])
{
	KLocale::setMainCatalogue("kscreensaver");
	KCmdLineArgs::init(argc, argv, appName, I18N_NOOP("Random screen saver"), description, version);

	KCmdLineArgs::addCmdLineOptions(options);

	KApplication app;

	Window windowId = 0;

	KCmdLineArgs *args = KCmdLineArgs::parsedArgs();

	if (args->isSet("setup"))
	{
		KRandomSetup setup;
		setup.exec();
		exit(0);
	}

	if (args->isSet("window-id"))
	{
		windowId = atol(args->getOption("window-id"));
	}

	if (args->isSet("root"))
	{
		windowId = RootWindow(qt_xdisplay(), qt_xscreen());
	}

	KGlobal::dirs()->addResourceType("scrsav",
			KGlobal::dirs()->kde_default("apps") +
			"apps/ScreenSavers/");
	KGlobal::dirs()->addResourceType("scrsav",
			KGlobal::dirs()->kde_default("apps") +
			"System/ScreenSavers/");
	QStringList tempSaverFileList = KGlobal::dirs()->findAllResources("scrsav",
			"*.desktop", false, true);

	QStringList saverFileList;

	KConfig type("krandom.kssrc");
	type.setGroup("Settings");
	bool opengl = type.readBoolEntry("OpenGL");
	bool manipulatescreen = type.readBoolEntry("ManipulateScreen");
        bool fortune = !KStandardDirs::findExe("fortune").isEmpty();

	for (uint i = 0; i < tempSaverFileList.count(); i++)
	{
		kdDebug() << "Looking at " << tempSaverFileList[i] << endl;
		KDesktopFile saver(tempSaverFileList[i], true);
		if(!saver.tryExec())
			continue;
		kdDebug() << "read X-KDE-Type" << endl;
		QString saverType = saver.readEntry("X-KDE-Type");

		if (saverType.isEmpty()) // no X-KDE-Type defined so must be OK
		{
			saverFileList.append(tempSaverFileList[i]);
		}
		else
		{
			QStringList saverTypes = QStringList::split(";", saverType);
			for (QStringList::ConstIterator it =  saverTypes.begin(); it != saverTypes.end(); ++it )
			{
				kdDebug() << "saverTypes is "<< *it << endl;
				if (*it == "ManipulateScreen")
				{
					if (manipulatescreen)
					{
						saverFileList.append(tempSaverFileList[i]);
					}
				}
				else
				if (*it == "OpenGL")
				{
					if (opengl)
					{
						saverFileList.append(tempSaverFileList[i]);
					}
				}
				if (*it == "Fortune")
				{
					if (fortune)
					{
						saverFileList.append(tempSaverFileList[i]);
					}
				}

			}
		}
	}

	KRandomSequence rnd;
	int indx = rnd.getLong(saverFileList.count());
	QString filename = *(saverFileList.at(indx));

	KDesktopFile config(filename, true);

	QString cmd;
	if (windowId && config.hasActionGroup("InWindow"))
	{
		config.setActionGroup("InWindow");
	}
	else if ((windowId == 0) && config.hasActionGroup("Root"))
	{
		config.setActionGroup("Root");
	}
	cmd = config.readPathEntry("Exec");

	QTextStream ts(&cmd, IO_ReadOnly);
	QString word;
	ts >> word;
	QString exeFile = KStandardDirs::findExe(word);

	if (!exeFile.isEmpty())
	{
		char *sargs[MAX_ARGS];
		sargs[0] = new char [strlen(word.ascii())+1];
		strcpy(sargs[0], word.ascii());

		int i = 1;
		while (!ts.atEnd() && i < MAX_ARGS-1)
		{
			ts >> word;
			if (word == "%w")
			{
				word = word.setNum(windowId);
			}

			sargs[i] = new char [strlen(word.ascii())+1];
			strcpy(sargs[i], word.ascii());
			kdDebug() << "word is " << word.ascii() << endl;

			i++;
		}

		sargs[i] = 0;

		execv(exeFile.ascii(), sargs);
	}