/* * Copyright (C) 2004 Girish Ramakrishnan All Rights Reserved. * * This 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 software 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 software; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, * USA. */ // $Id: tdedocker.cpp,v 1.24 2005/02/04 10:25:46 cs19713 Exp $ #include #include #include #include #include #include #include #include #include "trace.h" #include "traylabelmgr.h" #include "tdedocker.h" #include #include #include #include #include // #define TMPFILE_PREFIX TQString("/tmp/tdedocker.") #define TMPFILE_PREFIX TQDir::homeDirPath() + "/.tdedocker." TDEDocker::TDEDocker(int& argc, char** argv) :TQApplication(argc, argv), mTrayLabelMgr(0) { INIT_TRACE(); // Attempt doing anything only if the CLI arguments were good opterr = 0; // suppress the warning int option; while ((option = getopt(argc, argv, TrayLabelMgr::options().latin1())) != EOF) { if (option == '?') { if (optopt == 'v') printVersion(); else printUsage(optopt); ::exit(0); } } /* * Detect and transfer control to previous instance (if one exists) * _KDOCKER_RUNNING is a X Selection. We start out by trying to locate the * selection owner. If someone else owns it, transfer control to that * instance of TDEDocker */ Display *display = TQPaintDevice::x11AppDisplay(); Atom tdedocker = XInternAtom(display, "_KDOCKER_RUNNING", False); Window prev_instance = XGetSelectionOwner(display, tdedocker); if (prev_instance == None) { mSelectionOwner = XCreateSimpleWindow(display, tqt_xrootwin(), 1, 1, 1, 1, 1, 1, 1); XSetSelectionOwner(display, tdedocker, mSelectionOwner, CurrentTime); TRACE("Selection owner set to 0x%x", (unsigned) mSelectionOwner); mTrayLabelMgr = TrayLabelMgr::instance(); } else notifyPreviousInstance(prev_instance); // does not return } void TDEDocker::printVersion(void) { tqDebug("TQt: %s", tqVersion()); tqDebug("TDEDocker: %s", KDOCKER_APP_VERSION); } // Prints the CLI arguments. Does not return void TDEDocker::printUsage(char optopt) { if (optopt != 'h') tqDebug("%s", i18n("tdedocker: invalid option -- %1").arg(optopt).local8Bit().data()); tqDebug("%s", i18n("Usage: TDEDocker [options] command\n").local8Bit().data()); tqDebug("%s", i18n("Docks any application into the system tray\n").local8Bit().data()); tqDebug("%s", i18n("command \tCommand to execute\n").local8Bit().data()); tqDebug("%s", i18n("Options").local8Bit().data()); tqDebug("%s", i18n("-a \tShow author information").local8Bit().data()); tqDebug("%s", i18n("-b \tDont warn about non-normal windows (blind mode)").local8Bit().data()); tqDebug("%s", i18n("-d \tDisable session management").local8Bit().data()); tqDebug("%s", i18n("-e \tEnable session management").local8Bit().data()); tqDebug("%s", i18n("-f \tDock window that has the focus(active window)").local8Bit().data()); tqDebug("%s", i18n("-h \tDisplay this help").local8Bit().data()); tqDebug("%s", i18n("-i icon\tCustom dock Icon").local8Bit().data()); tqDebug("%s", i18n("-l \tLaunch on startup").local8Bit().data()); tqDebug("%s", i18n("-m \tKeep application window mapped (dont hide on dock)").local8Bit().data()); tqDebug("%s", i18n("-o \tDock when obscured").local8Bit().data()); tqDebug("%s", i18n("-p secs\tSet ballooning timeout (popup time)").local8Bit().data()); tqDebug("%s", i18n("-q \tDisable ballooning title changes (quiet)").local8Bit().data()); tqDebug("%s", i18n("-t \tRemove this application from the task bar").local8Bit().data()); tqDebug("%s", i18n("-v \tDisplay version").local8Bit().data()); tqDebug("%s", i18n("-w wid \tWindow id of the application to dock\n").local8Bit().data()); tqDebug("%s", i18n("NOTE: Use -d for all startup scripts.\n").local8Bit().data()); tqDebug("%s", i18n("Bugs and wishes to gramakri@uiuc.edu").local8Bit().data()); tqDebug("%s", i18n("Project information at http://tdedocker.sourceforge.net").local8Bit().data()); } void TDEDocker::notifyPreviousInstance(Window prevInstance) { Display *display = TQPaintDevice::x11AppDisplay(); TRACE("Notifying previous instance [%x]", (unsigned) prevInstance); // Dump all arguments in temporary file TQFile f(TMPFILE_PREFIX + TQString().setNum(getpid())); if (!f.open(IO_WriteOnly)) return; TQTextStream s(&f); /* * Its normal to use TDEDocker in startup scripts. We could be getting restored * from a session at the same time. So, if we were getting restored and * another instance already exists, send across the session id. Remember, qt * strips out all the arguments that it understands. So need to do it by hand. */ if (isSessionRestored()) s << argv()[0] << " " << "-session" << " " << sessionId(); else for (int i = 0; i < argc(); i++) s << argv()[i] << " "; f.close(); /* * Now tell our previous instance that we came to pass. Actually, it can * figure it out itself using PropertyNotify events but this is a lot nicer */ XClientMessageEvent dock_event; memset(&dock_event, 0, sizeof(XClientMessageEvent)); dock_event.display = display; dock_event.window = prevInstance; dock_event.send_event = True; dock_event.type = ClientMessage; dock_event.message_type = 0x220679; // it all started this day dock_event.format = 8; dock_event.data.l[0] = 0xBABE; // love letter ;) dock_event.data.l[1] = getpid(); XSendEvent(display, prevInstance, False, 0, (XEvent *) &dock_event); XSync(display, False); ::exit(0); } /* * The X11 Event filter called by TQt. Look out for ClientMessage events from * our new instance */ bool TDEDocker::x11EventFilter(XEvent * event) { if (event->type == ClientMessage) { // look for requests from a new instance of tdedocker XClientMessageEvent *client = (XClientMessageEvent *) event; if (!(client->message_type == 0x220679 && client->data.l[0] == 0xBABE)) return FALSE; TRACE("ClientMessage from PID=%ld. SelOwn=0x%x", client->data.l[1], (unsigned) mSelectionOwner); char tmp[50]; struct stat buf; sprintf(tmp, TQString(TMPFILE_PREFIX "%ld").local8Bit(), client->data.l[1]); if (stat(tmp, &buf) || (getuid()!=buf.st_uid)) { /* * We make sure that the owner of this process and the owner of the file * are the same. This will prevent someone from executing arbitrary * programs by sending client message. Of course, you can send a message * only if you are authenticated to the X session and have permission to * create files in TMPFILE_PREFIX. So this code is there just for the * heck of it. */ TRACE("User %i is trying something fishy...", buf.st_uid); unlink(tmp); return TRUE; } TQFile f(tmp); if (!f.open(IO_ReadOnly)) return TRUE; TQTextStream s(&f); TQStringList argv; while (!s.atEnd()) { TQString x; s >> x; argv += x; } f.close(); unlink(tmp); // delete the tmp file mTrayLabelMgr->processCommand(argv); return TRUE; } else return mTrayLabelMgr->x11EventFilter(event); } /* * XSMP Support */ void TDEDocker::saveState(TQSessionManager &sm) { TQString sf = mTrayLabelMgr->saveSession(); TQStringList discard_command; discard_command << "rm" << sf; sm.setDiscardCommand(discard_command); sm.setRestartHint(TQSessionManager::RestartIfRunning); TQStringList restart_command; restart_command << this->argv()[0] << "-session" << sm.sessionId(); sm.setRestartCommand(restart_command); TRACE("SessionFile=%s AppName=%s", sf.latin1(), this->argv()[0]); DUMP_TRACE(TQDir::homeDirPath() + "/tdedocker.trace"); // sm.setRestartCommand(applicationFilePath()); } #include "tdedocker.moc"