src/client/client.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-08 by the Quassel Project                          *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "client.h"
  22
  23 #include "bufferinfo.h"
  24 #include "global.h"
  25 #include "identity.h"
  26 #include "ircchannel.h"
  27 #include "ircuser.h"
  28 #include "message.h"
  29 #include "networkinfo.h"
  30 #include "networkmodel.h"
  31 #include "quasselui.h"
  32 #include "signalproxy.h"
  33 #include "util.h"
  34
  35 QPointer<Client> Client::instanceptr = 0;
  36
  37 /*** Initialization/destruction ***/
  38
  39 Client *Client::instance() {
  40   if(!instanceptr)
  41     instanceptr = new Client();
  42   return instanceptr;
  43 }
  44
  45 void Client::destroy() {
  46   delete instanceptr;
  47 }
  48
  49 void Client::init(AbstractUi *ui) {
  50   instance()->mainUi = ui;
  51   instance()->init();
  52 }
  53
  54 Client::Client(QObject *parent)
  55     : QObject(parent),
  56     socket(0),
  57     _signalProxy(new SignalProxy(SignalProxy::Client, this)),
  58     mainUi(0),
  59     _networkModel(0),
  60     connectedToCore(false)
  61 {
  62
  63 }
  64
  65 Client::~Client() {
  66
  67 }
  68
  69 void Client::init() {
  70   blockSize = 0;
  71
  72   _networkModel = new NetworkModel(this);
  73
  74   connect(this, SIGNAL(bufferSelected(Buffer *)),
  75           _networkModel, SLOT(selectBuffer(Buffer *)));
  76   connect(this, SIGNAL(bufferUpdated(Buffer *)),
  77           _networkModel, SLOT(bufferUpdated(Buffer *)));
  78   connect(this, SIGNAL(bufferActivity(Buffer::ActivityLevel, Buffer *)),
  79           _networkModel, SLOT(bufferActivity(Buffer::ActivityLevel, Buffer *)));
  80
  81   SignalProxy *p = signalProxy();
  82   p->attachSignal(this, SIGNAL(sendSessionData(const QString &, const QVariant &)),
  83                   SIGNAL(clientSessionDataChanged(const QString &, const QVariant &)));
  84   p->attachSlot(SIGNAL(coreSessionDataChanged(const QString &, const QVariant &)),
  85                 this, SLOT(recvSessionData(const QString &, const QVariant &)));
  86   p->attachSlot(SIGNAL(coreState(const QVariant &)),
  87                 this, SLOT(recvCoreState(const QVariant &)));
  88   p->attachSlot(SIGNAL(networkConnected(uint)),
  89                 this, SLOT(networkConnected(uint)));
  90   p->attachSlot(SIGNAL(networkDisconnected(uint)),
  91                 this, SLOT(networkDisconnected(uint)));
  92   p->attachSlot(SIGNAL(displayMsg(const Message &)),
  93                 this, SLOT(recvMessage(const Message &)));
  94   p->attachSlot(SIGNAL(displayStatusMsg(QString, QString)),
  95                 this, SLOT(recvStatusMsg(QString, QString)));
  96
  97
  98   p->attachSlot(SIGNAL(backlogData(BufferInfo, const QVariantList &, bool)), this, SLOT(recvBacklogData(BufferInfo, const QVariantList &, bool)));
  99   p->attachSlot(SIGNAL(bufferInfoUpdated(BufferInfo)), this, SLOT(updateBufferInfo(BufferInfo)));
 100   p->attachSignal(this, SIGNAL(sendInput(BufferInfo, QString)));
 101   p->attachSignal(this, SIGNAL(requestNetworkStates()));
 102
 103   p->attachSignal(this, SIGNAL(requestCreateIdentity(const Identity &)), SIGNAL(createIdentity(const Identity &)));
 104   p->attachSignal(this, SIGNAL(requestUpdateIdentity(const Identity &)), SIGNAL(updateIdentity(const Identity &)));
 105   p->attachSignal(this, SIGNAL(requestRemoveIdentity(IdentityId)), SIGNAL(removeIdentity(IdentityId)));
 106   p->attachSlot(SIGNAL(identityCreated(const Identity &)), this, SLOT(coreIdentityCreated(const Identity &)));
 107   p->attachSlot(SIGNAL(identityRemoved(IdentityId)), this, SLOT(coreIdentityRemoved(IdentityId)));
 108
 109   connect(mainUi, SIGNAL(connectToCore(const QVariantMap &)), this, SLOT(connectToCore(const QVariantMap &)));
 110   connect(mainUi, SIGNAL(disconnectFromCore()), this, SLOT(disconnectFromCore()));
 111   connect(this, SIGNAL(connected()), mainUi, SLOT(connectedToCore()));
 112   connect(this, SIGNAL(disconnected()), mainUi, SLOT(disconnectedFromCore()));
 113
 114   layoutTimer = new QTimer(this);
 115   layoutTimer->setInterval(0);
 116   layoutTimer->setSingleShot(false);
 117   connect(layoutTimer, SIGNAL(timeout()), this, SLOT(layoutMsg()));
 118
 119 }
 120
 121 /*** public static methods ***/
 122
 123
 124 QList<NetworkInfo *> Client::networkInfos() {
 125   return instance()->_networkInfo.values();
 126 }
 127
 128 NetworkInfo *Client::networkInfo(uint networkid) {
 129   if(instance()->_networkInfo.contains(networkid))
 130     return instance()->_networkInfo[networkid];
 131   else
 132     return 0;
 133 }
 134
 135 QList<BufferInfo> Client::allBufferInfos() {
 136   QList<BufferInfo> bufferids;
 137   foreach(Buffer *buffer, buffers()) {
 138     bufferids << buffer->bufferInfo();
 139   }
 140   return bufferids;
 141 }
 142
 143 QList<Buffer *> Client::buffers() {
 144   return instance()->_buffers.values();
 145 }
 146
 147 Buffer *Client::buffer(uint bufferUid) {
 148   if(instance()->_buffers.contains(bufferUid))
 149     return instance()->_buffers[bufferUid];
 150   else
 151     return 0;
 152 }
 153
 154 Buffer *Client::buffer(BufferInfo id) {
 155   Buffer *buff = buffer(id.uid());
 156
 157   if(!buff) {
 158     Client *client = Client::instance();
 159     buff = new Buffer(id, client);
 160
 161     connect(buff, SIGNAL(userInput(BufferInfo, QString)),
 162             client, SLOT(userInput(BufferInfo, QString)));
 163     connect(buff, SIGNAL(bufferUpdated(Buffer *)),
 164             client, SIGNAL(bufferUpdated(Buffer *)));
 165     connect(buff, SIGNAL(destroyed()),
 166             client, SLOT(bufferDestroyed()));
 167     client->_buffers[id.uid()] = buff;
 168     emit client->bufferUpdated(buff);
 169   }
 170   Q_ASSERT(buff);
 171   return buff;
 172 }
 173
 174 // FIXME switch to netids!
 175 // WHEN IS THIS NEEDED ANYHOW!?
 176 // ...only for finding the Buffer for a channel, I guess...
 177 BufferInfo Client::bufferInfo(QString net, QString buf) {
 178   foreach(Buffer *buffer_, buffers()) {
 179     BufferInfo bufferInfo = buffer_->bufferInfo();
 180     if(!bufferInfo.network().compare(net, Qt::CaseInsensitive) && !bufferInfo.buffer().compare(buf, Qt::CaseInsensitive))
 181       return bufferInfo;
 182   }
 183   Q_ASSERT(false);  // should never happen!
 184   return BufferInfo();
 185 }
 186
 187 BufferInfo Client::statusBufferInfo(QString net) {
 188   return bufferInfo(net, "");
 189 }
 190
 191 NetworkModel *Client::networkModel() {
 192   return instance()->_networkModel;
 193 }
 194
 195 SignalProxy *Client::signalProxy() {
 196   return instance()->_signalProxy;
 197 }
 198
 199
 200 /*** Identity handling ***/
 201
 202 QList<IdentityId> Client::identityIds() {
 203   return instance()->_identities.keys();
 204 }
 205
 206 const Identity * Client::identity(IdentityId id) {
 207   if(instance()->_identities.contains(id)) return instance()->_identities[id];
 208   else return 0;
 209 }
 210
 211
 212 void Client::createIdentity(const Identity &id) {
 213   emit instance()->requestCreateIdentity(id);
 214 }
 215
 216 void Client::updateIdentity(const Identity &id) {
 217   emit instance()->requestUpdateIdentity(id);
 218 }
 219
 220 void Client::removeIdentity(IdentityId id) {
 221   emit instance()->requestRemoveIdentity(id);
 222 }
 223
 224 void Client::coreIdentityCreated(const Identity &other) {
 225   if(!_identities.contains(other.id())) {
 226     Identity *identity = new Identity(other, this);
 227     _identities[other.id()] = identity;
 228     identity->setInitialized();
 229     signalProxy()->synchronize(identity);
 230     emit identityCreated(other.id());
 231   } else {
 232     qWarning() << tr("Identity already exists in client!");
 233   }
 234 }
 235
 236 void Client::coreIdentityRemoved(IdentityId id) {
 237   if(_identities.contains(id)) {
 238     emit identityRemoved(id);
 239     Identity *i = _identities.take(id);
 240     i->deleteLater();
 241   }
 242 }
 243
 244 /***  ***/
 245
 246
 247 bool Client::isConnected() {
 248   return instance()->connectedToCore;
 249 }
 250
 251 void Client::fakeInput(uint bufferUid, QString message) {
 252   Buffer *buff = buffer(bufferUid);
 253   if(!buff)
 254     qWarning() << "No Buffer with uid" << bufferUid << "can't send Input" << message;
 255   else
 256     emit instance()->sendInput(buff->bufferInfo(), message);
 257 }
 258
 259 void Client::fakeInput(BufferInfo bufferInfo, QString message) {
 260   fakeInput(bufferInfo, message);
 261 }
 262
 263 void Client::connectToCore(const QVariantMap &conn) {
 264   // TODO implement SSL
 265   coreConnectionInfo = conn;
 266   if(isConnected()) {
 267     emit coreConnectionError(tr("Already connected to Core!"));
 268     return;
 269   }
 270
 271   if(socket != 0)
 272     socket->deleteLater();
 273
 274   if(conn["Host"].toString().isEmpty()) {
 275     clientMode = LocalCore;
 276     socket = new QBuffer(this);
 277     connect(socket, SIGNAL(readyRead()), this, SLOT(coreHasData()));
 278     socket->open(QIODevice::ReadWrite);
 279     //QVariant state = connectToLocalCore(coreConnectionInfo["User"].toString(), coreConnectionInfo["Password"].toString());
 280     //syncToCore(state);
 281     coreSocketConnected();
 282   } else {
 283     clientMode = RemoteCore;
 284     emit coreConnectionMsg(tr("Connecting..."));
 285     Q_ASSERT(!socket);
 286     QTcpSocket *sock = new QTcpSocket(this);
 287     socket = sock;
 288     connect(sock, SIGNAL(readyRead()), this, SLOT(coreHasData()));
 289     connect(sock, SIGNAL(connected()), this, SLOT(coreSocketConnected()));
 290     connect(signalProxy(), SIGNAL(disconnected()), this, SLOT(coreSocketDisconnected()));
 291     connect(sock, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(coreSocketError(QAbstractSocket::SocketError)));
 292     sock->connectToHost(conn["Host"].toString(), conn["Port"].toUInt());
 293   }
 294 }
 295
 296 void Client::disconnectFromCore() {
 297   socket->close();
 298 }
 299
 300 void Client::setCoreConfiguration(const QVariantMap &settings) {
 301   SignalProxy::writeDataToDevice(socket, settings);
 302 }
 303
 304 void Client::coreSocketConnected() {
 305   connect(this, SIGNAL(recvPartialItem(uint, uint)), this, SIGNAL(coreConnectionProgress(uint, uint)));
 306   emit coreConnectionMsg(tr("Synchronizing to core..."));
 307   QVariantMap clientInit;
 308   clientInit["GuiProtocol"] = GUI_PROTOCOL;
 309   clientInit["User"] = coreConnectionInfo["User"].toString();
 310   clientInit["Password"] = coreConnectionInfo["Password"].toString();
 311   SignalProxy::writeDataToDevice(socket, clientInit);
 312 }
 313
 314 void Client::coreSocketDisconnected() {
 315   instance()->connectedToCore = false;
 316   emit disconnected();
 317   emit coreConnectionStateChanged(false);
 318   socket->deleteLater();
 319   blockSize = 0;
 320
 321   /* Clear internal data. Hopefully nothing relies on it at this point. */
 322   _networkModel->clear();
 323
 324   QHash<BufferId, Buffer *>::iterator bufferIter =  _buffers.begin();
 325   while(bufferIter != _buffers.end()) {
 326     Buffer *buffer = bufferIter.value();
 327     disconnect(buffer, SIGNAL(destroyed()), this, 0);
 328     bufferIter = _buffers.erase(bufferIter);
 329     buffer->deleteLater();
 330   }
 331   Q_ASSERT(_buffers.isEmpty());
 332
 333
 334   QHash<NetworkId, NetworkInfo*>::iterator netIter = _networkInfo.begin();
 335   while(netIter != _networkInfo.end()) {
 336     NetworkInfo *net = netIter.value();
 337     disconnect(net, SIGNAL(destroyed()), this, 0);
 338     netIter = _networkInfo.erase(netIter);
 339     net->deleteLater();
 340   }
 341   Q_ASSERT(_networkInfo.isEmpty());
 342
 343   QHash<IdentityId, Identity*>::iterator idIter = _identities.begin();
 344   while(idIter != _identities.end()) {
 345     Identity *id = idIter.value();
 346     emit identityRemoved(id->id());
 347     idIter = _identities.erase(idIter);
 348     id->deleteLater();
 349   }
 350   Q_ASSERT(_identities.isEmpty());
 351
 352   coreConnectionInfo.clear();
 353   sessionData.clear();
 354   layoutQueue.clear();
 355   layoutTimer->stop();
 356 }
 357
 358 void Client::recvCoreState(const QVariant &state) {
 359   disconnect(this, SIGNAL(recvPartialItem(uint, uint)), this, SIGNAL(coreConnectionProgress(uint, uint)));
 360   disconnect(socket, 0, this, 0);  // rest of communication happens through SignalProxy
 361   signalProxy()->addPeer(socket);
 362   syncToCore(state);
 363 }
 364
 365 // TODO: auth errors
 366 void Client::syncToCore(const QVariant &coreState) {
 367   if(!coreState.toMap().contains("SessionState")) {
 368     emit coreConnectionError(tr("Invalid data received from core!"));
 369     disconnectFromCore();
 370     return;
 371   }
 372
 373   QVariantMap sessionState = coreState.toMap()["SessionState"].toMap();
 374
 375   // store sessionData
 376   QVariantMap sessData = sessionState["SessionData"].toMap();
 377   foreach(QString key, sessData.keys())
 378     recvSessionData(key, sessData[key]);
 379
 380   // create identities
 381   foreach(QVariant vid, sessionState["Identities"].toList()) {
 382     coreIdentityCreated(vid.value<Identity>());
 383     //Identity *id = new Identity(vid.value<Identity>(), this);
 384     //_identities[id->id()] = id;
 385     //signalProxy()->synchronize(id);
 386     //qDebug() << "received identity" << id->identityName();
 387   }
 388
 389   // store Buffer details
 390   QVariantList coreBuffers = sessionState["Buffers"].toList();
 391   /* make lookups by id faster */
 392   foreach(QVariant vid, coreBuffers) {
 393     buffer(vid.value<BufferInfo>()); // create all buffers, so we see them in the network views
 394   }
 395
 396   // create networkInfo objects
 397   QVariantList networkids = sessionState["Networks"].toList();
 398   foreach(QVariant networkid, networkids) {
 399     networkConnected(networkid.toUInt());
 400   }
 401
 402   instance()->connectedToCore = true;
 403   updateCoreConnectionProgress();
 404
 405 }
 406
 407 void Client::updateCoreConnectionProgress() {
 408   // we'll do this in three steps:
 409   // 1.) networks
 410   // 2.) channels
 411   // 3.) ircusers
 412
 413   int numNets = networkInfos().count();
 414   int numNetsWaiting = 0;
 415
 416   int numIrcUsers = 0;
 417   int numIrcUsersWaiting = 0;
 418
 419   int numChannels = 0;
 420   int numChannelsWaiting = 0;
 421
 422   foreach(NetworkInfo *net, networkInfos()) {
 423     if(! net->initialized())
 424       numNetsWaiting++;
 425
 426     numIrcUsers += net->ircUsers().count();
 427     foreach(IrcUser *user, net->ircUsers()) {
 428       if(! user->initialized())
 429         numIrcUsersWaiting++;
 430     }
 431
 432     numChannels += net->ircChannels().count();
 433     foreach(IrcChannel *channel, net->ircChannels()) {
 434       if(! channel->initialized())
 435         numChannelsWaiting++;
 436     }
 437   }
 438
 439   if(numNetsWaiting > 0) {
 440     emit coreConnectionMsg(tr("Requesting network states..."));
 441     emit coreConnectionProgress(numNets - numNetsWaiting, numNets);
 442     return;
 443   }
 444
 445   if(numIrcUsersWaiting > 0) {
 446     emit coreConnectionMsg(tr("Requesting User states..."));
 447     emit coreConnectionProgress(numIrcUsers - numIrcUsersWaiting, numIrcUsers);
 448     return;
 449   }
 450
 451   if(numChannelsWaiting > 0) {
 452     emit coreConnectionMsg(tr("Requesting Channel states..."));
 453     emit coreConnectionProgress(numChannels - numChannelsWaiting, numChannels);
 454     return;
 455   }
 456
 457   emit coreConnectionProgress(1,1);
 458   emit connected();
 459   emit coreConnectionStateChanged(true);
 460   foreach(NetworkInfo *net, networkInfos()) {
 461     disconnect(net, 0, this, SLOT(updateCoreConnectionProgress()));
 462   }
 463
 464   // signalProxy()->dumpProxyStats();
 465 }
 466
 467 void Client::recvSessionData(const QString &key, const QVariant &data) {
 468   sessionData[key] = data;
 469   emit sessionDataChanged(key, data);
 470   emit sessionDataChanged(key);
 471 }
 472
 473 void Client::storeSessionData(const QString &key, const QVariant &data) {
 474   // Not sure if this is a good idea, but we'll try it anyway:
 475   // Calling this function only sends a signal to core. Data is stored upon reception of the update signal,
 476   // rather than immediately.
 477   emit instance()->sendSessionData(key, data);
 478 }
 479
 480 QVariant Client::retrieveSessionData(const QString &key, const QVariant &def) {
 481   if(instance()->sessionData.contains(key)) return instance()->sessionData[key];
 482   else return def;
 483 }
 484
 485 QStringList Client::sessionDataKeys() {
 486   return instance()->sessionData.keys();
 487 }
 488
 489 void Client::coreSocketError(QAbstractSocket::SocketError) {
 490   emit coreConnectionError(socket->errorString());
 491   socket->deleteLater();
 492 }
 493
 494 void Client::coreHasData() {
 495   QVariant item;
 496   if(SignalProxy::readDataFromDevice(socket, blockSize, item)) {
 497     emit recvPartialItem(1,1);
 498     QVariantMap msg = item.toMap();
 499     if (!msg["StartWizard"].toBool()) {
 500       recvCoreState(msg["Reply"]);
 501     } else {
 502       qWarning("Core not configured!");
 503       qDebug() << "Available storage providers: " << msg["StorageProviders"].toStringList();
 504       emit showConfigWizard(msg);
 505     }
 506     blockSize = 0;
 507     return;
 508   }
 509   if(blockSize > 0) {
 510     emit recvPartialItem(socket->bytesAvailable(), blockSize);
 511   }
 512 }
 513
 514 void Client::networkConnected(uint netid) {
 515   // TODO: create statusBuffer / switch to networkids
 516   //BufferInfo id = statusBufferInfo(net);
 517   //Buffer *b = buffer(id);
 518   //b->setActive(true);
 519
 520   NetworkInfo *netinfo = new NetworkInfo(netid, this);
 521   netinfo->setProxy(signalProxy());
 522   networkModel()->attachNetworkInfo(netinfo);
 523
 524   if(!isConnected()) {
 525     connect(netinfo, SIGNAL(initDone()), this, SLOT(updateCoreConnectionProgress()));
 526     connect(netinfo, SIGNAL(ircUserInitDone()), this, SLOT(updateCoreConnectionProgress()));
 527     connect(netinfo, SIGNAL(ircChannelInitDone()), this, SLOT(updateCoreConnectionProgress()));
 528   }
 529   connect(netinfo, SIGNAL(ircChannelAdded(QString)), this, SLOT(ircChannelAdded(QString)));
 530   connect(netinfo, SIGNAL(destroyed()), this, SLOT(networkInfoDestroyed()));
 531   _networkInfo[netid] = netinfo;
 532 }
 533
 534 void Client::networkDisconnected(uint networkid) {
 535   foreach(Buffer *buffer, buffers()) {
 536     if(buffer->bufferInfo().networkId() != networkid)
 537       continue;
 538
 539     //buffer->displayMsg(Message(bufferid, Message::Server, tr("Server disconnected."))); FIXME
 540     buffer->setActive(false);
 541   }
 542
 543   Q_ASSERT(networkInfo(networkid));
 544   if(!networkInfo(networkid)->initialized()) {
 545     qDebug() << "Network" << networkid << "disconnected while not yet initialized!";
 546     updateCoreConnectionProgress();
 547   }
 548 }
 549
 550 void Client::ircChannelAdded(QString chanName) {
 551   NetworkInfo *netInfo = qobject_cast<NetworkInfo*>(sender());
 552   Q_ASSERT(netInfo);
 553   Buffer *buf = buffer(bufferInfo(netInfo->networkName(), chanName));
 554   Q_ASSERT(buf);
 555   buf->setIrcChannel(netInfo->ircChannel(chanName));
 556
 557 }
 558
 559 void Client::updateBufferInfo(BufferInfo id) {
 560   buffer(id)->updateBufferInfo(id);
 561 }
 562
 563 void Client::bufferDestroyed() {
 564   Buffer *buffer = static_cast<Buffer *>(sender());
 565   uint bufferUid = buffer->uid();
 566   if(_buffers.contains(bufferUid))
 567     _buffers.remove(bufferUid);
 568 }
 569
 570 void Client::networkInfoDestroyed() {
 571   NetworkInfo *netinfo = static_cast<NetworkInfo *>(sender());
 572   uint networkId = netinfo->networkId();
 573   if(_networkInfo.contains(networkId))
 574     _networkInfo.remove(networkId);
 575 }
 576
 577 void Client::recvMessage(const Message &msg) {
 578   Buffer *b = buffer(msg.buffer());
 579
 580   Buffer::ActivityLevel level = Buffer::OtherActivity;
 581   if(msg.type() == Message::Plain || msg.type() == Message::Notice){
 582     level |= Buffer::NewMessage;
 583   }
 584   if(msg.flags() & Message::Highlight){
 585     level |= Buffer::Highlight;
 586   }
 587   emit bufferActivity(level, b);
 588
 589   b->appendMsg(msg);
 590 }
 591
 592 void Client::recvStatusMsg(QString /*net*/, QString /*msg*/) {
 593   //recvMessage(net, Message::server("", QString("[STATUS] %1").arg(msg)));
 594 }
 595
 596 void Client::recvBacklogData(BufferInfo id, QVariantList msgs, bool /*done*/) {
 597   Buffer *b = buffer(id);
 598   foreach(QVariant v, msgs) {
 599     Message msg = v.value<Message>();
 600     b->prependMsg(msg);
 601     if(!layoutQueue.contains(b)) layoutQueue.append(b);
 602   }
 603   if(layoutQueue.count() && !layoutTimer->isActive()) layoutTimer->start();
 604 }
 605
 606 void Client::layoutMsg() {
 607   if(layoutQueue.count()) {
 608     Buffer *b = layoutQueue.takeFirst();  // TODO make this the current buffer
 609     if(b->layoutMsg())
 610       layoutQueue.append(b);  // Buffer has more messages in its queue --> Round Robin
 611   }
 612
 613   if(!layoutQueue.count())
 614     layoutTimer->stop();
 615 }
 616
 617 AbstractUiMsg *Client::layoutMsg(const Message &msg) {
 618   return instance()->mainUi->layoutMsg(msg);
 619 }
 620
 621 void Client::userInput(BufferInfo id, QString msg) {
 622   emit sendInput(id, msg);
 623 }
 624