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Diffstat (limited to 'kscreensaver/random.cpp')
| -rw-r--r-- | kscreensaver/random.cpp | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/kscreensaver/random.cpp b/kscreensaver/random.cpp new file mode 100644 index 000000000..df971d238 --- /dev/null +++ b/kscreensaver/random.cpp @@ -0,0 +1,246 @@ +//----------------------------------------------------------------------------- +// +// Screen savers for KDE +// +// Copyright (c) Martin R. Jones 1999 +// +// This is an extremely simple program that starts a random screensaver. +// + +#include <config.h> + +#include <stdlib.h> +#include <stdio.h> +#include <time.h> +#include <unistd.h> + +#include <qtextstream.h> +#include <qlayout.h> +#include <qframe.h> +#include <qcheckbox.h> +#include <qwidget.h> + +#include <kapplication.h> +#include <kstandarddirs.h> +#include <kglobal.h> +#include <klocale.h> +#include <kdesktopfile.h> +#include <krandomsequence.h> +#include <kdebug.h> +#include <kcmdlineargs.h> +#include <kdialogbase.h> +#include <kconfig.h> + +#include "kscreensaver_vroot.h" +#include "random.h" + +#define MAX_ARGS 20 + +void usage(char *name) +{ + puts(i18n("Usage: %1 [-setup] [args]\n" + "Starts a random screen saver.\n" + "Any arguments (except -setup) are passed on to the screen saver.").arg( name ).local8Bit().data()); +} + +static const char appName[] = "random"; + +static const char description[] = I18N_NOOP("Start a random KDE screen saver"); + +static const char version[] = "2.0.0"; + +static const KCmdLineOptions options[] = +{ + { "setup", I18N_NOOP("Setup screen saver"), 0 }, + { "window-id wid", I18N_NOOP("Run in the specified XWindow"), 0 }, + { "root", I18N_NOOP("Run in the root XWindow"), 0 }, + // { "+-- [options]", I18N_NOOP("Options to pass to the screen saver"), 0 } + KCmdLineLastOption +}; + +//---------------------------------------------------------------------------- + +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); + } + + // 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. + Window win = windowId ? windowId : RootWindow(qt_xdisplay(), qt_xscreen()); + XSetWindowBackground(qt_xdisplay(), win, + BlackPixel(qt_xdisplay(), qt_xscreen())); + XClearWindow(qt_xdisplay(), win); +} + + +KRandomSetup::KRandomSetup( QWidget *parent, const char *name ) + : KDialogBase( parent, name, true, i18n( "Setup Random Screen Saver" ), + Ok|Cancel, Ok, true ) +{ + + QFrame *main = makeMainWidget(); + QGridLayout *grid = new QGridLayout(main, 4, 2, 0, spacingHint() ); + + openGL = new QCheckBox( i18n("Use OpenGL screen savers"), main ); + grid->addWidget(openGL, 0, 0); + + manipulateScreen = new QCheckBox(i18n("Use screen savers that manipulate the screen"), main); + grid->addWidget(manipulateScreen, 1, 0); + + setMinimumSize( sizeHint() ); + + KConfig config("krandom.kssrc"); + config.setGroup("Settings"); + openGL->setChecked(config.readBoolEntry("OpenGL", true)); + manipulateScreen->setChecked(config.readBoolEntry("ManipulateScreen", true)); +} + +void KRandomSetup::slotOk() +{ + KConfig config("krandom.kssrc"); + config.setGroup("Settings"); + config.writeEntry("OpenGL", openGL->isChecked()); + config.writeEntry("ManipulateScreen", manipulateScreen->isChecked()); + + accept(); +} + +#include "random.moc" |