src/qtui/settingspages/bufferviewsettingspage.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2018 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  *                                                                         *
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  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  19  ***************************************************************************/
  20
  21 #include "bufferviewsettingspage.h"
  22
  23 #include <QMessageBox>
  24 #include <utility>
  25
  26 #include "buffermodel.h"
  27 #include "bufferviewconfig.h"
  28 #include "bufferviewfilter.h"
  29 #include "client.h"
  30 #include "clientbufferviewmanager.h"
  31 #include "icon.h"
  32 #include "network.h"
  33 #include "networkmodel.h"
  34 #include "util.h"
  35
  36 BufferViewSettingsPage::BufferViewSettingsPage(QWidget *parent)
  37     : SettingsPage(tr("Interface"), tr("Custom Chat Lists"), parent)
  38 {
  39     ui.setupUi(this);
  40     //Hide the hide inactive networks feature on older cores (which won't save the setting)
  41     if (!Client::isCoreFeatureEnabled(Quassel::Feature::HideInactiveNetworks))
  42         ui.hideInactiveNetworks->hide();
  43
  44     ui.renameBufferView->setIcon(icon::get("edit-rename"));
  45     ui.addBufferView->setIcon(icon::get("list-add"));
  46     ui.deleteBufferView->setIcon(icon::get("edit-delete"));
  47
  48     reset();
  49
  50     ui.bufferViewList->setSortingEnabled(true);
  51     ui.settingsGroupBox->setEnabled(false);
  52     ui.bufferViewPreview->setEnabled(false);
  53
  54     coreConnectionStateChanged(Client::isConnected()); // need a core connection!
  55     connect(Client::instance(), &Client::coreConnectionStateChanged, this, &BufferViewSettingsPage::coreConnectionStateChanged);
  56     connect(ui.bufferViewList->selectionModel(), &QItemSelectionModel::selectionChanged,
  57         this, &BufferViewSettingsPage::bufferViewSelectionChanged);
  58
  59     connect(ui.onlyStatusBuffers, &QAbstractButton::clicked, this, &BufferViewSettingsPage::widgetHasChanged);
  60     connect(ui.onlyChannelBuffers, &QAbstractButton::clicked, this, &BufferViewSettingsPage::widgetHasChanged);
  61     connect(ui.onlyQueryBuffers, &QAbstractButton::clicked, this, &BufferViewSettingsPage::widgetHasChanged);
  62     connect(ui.addNewBuffersAutomatically, &QAbstractButton::clicked, this, &BufferViewSettingsPage::widgetHasChanged);
  63     connect(ui.sortAlphabetically, &QAbstractButton::clicked, this, &BufferViewSettingsPage::widgetHasChanged);
  64     connect(ui.hideInactiveBuffers, &QAbstractButton::clicked, this, &BufferViewSettingsPage::widgetHasChanged);
  65     connect(ui.hideInactiveNetworks, &QAbstractButton::clicked, this, &BufferViewSettingsPage::widgetHasChanged);
  66     connect(ui.networkSelector, selectOverload<int>(&QComboBox::currentIndexChanged), this, &BufferViewSettingsPage::widgetHasChanged);
  67     connect(ui.minimumActivitySelector, selectOverload<int>(&QComboBox::currentIndexChanged), this, &BufferViewSettingsPage::widgetHasChanged);
  68     connect(ui.showSearch, &QAbstractButton::clicked, this, &BufferViewSettingsPage::widgetHasChanged);
  69
  70     connect(ui.networkSelector, selectOverload<int>(&QComboBox::currentIndexChanged), this, &BufferViewSettingsPage::enableStatusBuffers);
  71 }
  72
  73
  74 BufferViewSettingsPage::~BufferViewSettingsPage()
  75 {
  76     reset();
  77 }
  78
  79
  80 void BufferViewSettingsPage::reset()
  81 {
  82     ui.bufferViewList->clear();
  83     ui.deleteBufferView->setEnabled(false);
  84
  85     QHash<BufferViewConfig *, BufferViewConfig *>::iterator changedConfigIter = _changedBufferViews.begin();
  86     QHash<BufferViewConfig *, BufferViewConfig *>::iterator changedConfigIterEnd = _changedBufferViews.end();
  87     BufferViewConfig *config;
  88     while (changedConfigIter != changedConfigIterEnd) {
  89         config = changedConfigIter.value();
  90         changedConfigIter = _changedBufferViews.erase(changedConfigIter);
  91         config->deleteLater();
  92     }
  93
  94     QList<BufferViewConfig *>::iterator newConfigIter = _newBufferViews.begin();
  95     QList<BufferViewConfig *>::iterator newConfigIterEnd = _newBufferViews.end();
  96     while (newConfigIter != newConfigIterEnd) {
  97         config = *newConfigIter;
  98         newConfigIter = _newBufferViews.erase(newConfigIter);
  99         config->deleteLater();
 100     }
 101
 102     _deleteBufferViews.clear();
 103
 104     _useBufferViewHint = false;
 105
 106     setChangedState(false);
 107 }
 108
 109
 110 void BufferViewSettingsPage::load()
 111 {
 112     bool useBufferViewHint = _useBufferViewHint;
 113     int bufferViewHint = _bufferViewHint;
 114     reset();
 115
 116     if (!Client::bufferViewManager())
 117         return;
 118
 119     const QList<BufferViewConfig *> bufferViewConfigs = Client::bufferViewManager()->bufferViewConfigs();
 120     foreach(BufferViewConfig *bufferViewConfig, bufferViewConfigs) {
 121         addBufferView(bufferViewConfig);
 122     }
 123
 124     _ignoreWidgetChanges = true;
 125     // load network selector
 126     ui.networkSelector->clear();
 127     ui.networkSelector->addItem(tr("All"));
 128     ui.networkSelector->setItemData(0, qVariantFromValue<NetworkId>(NetworkId()));
 129     const Network *net;
 130     foreach(NetworkId netId, Client::networkIds()) {
 131         net = Client::network(netId);
 132         ui.networkSelector->addItem(net->networkName());
 133         ui.networkSelector->setItemData(ui.networkSelector->count() - 1, qVariantFromValue<NetworkId>(net->networkId()));
 134     }
 135     _ignoreWidgetChanges = false;
 136
 137     if (!useBufferViewHint || !selectBufferViewById(bufferViewHint))
 138         ui.bufferViewList->setCurrentRow(0);
 139 }
 140
 141
 142 void BufferViewSettingsPage::save()
 143 {
 144     setEnabled(false);
 145
 146     BufferViewConfig *currentConfig = bufferView(ui.bufferViewList->currentRow());
 147     if (currentConfig) {
 148         _useBufferViewHint = true;
 149         _bufferViewHint = currentConfig->bufferViewId();
 150     }
 151
 152     QVariantList newConfigs;
 153     QVariantList deleteConfigs;
 154     QVariantList changedConfigs;
 155
 156     foreach(int bufferId, _deleteBufferViews) {
 157         deleteConfigs << bufferId;
 158     }
 159     _deleteBufferViews.clear();
 160     if (Client::bufferViewManager()) {
 161         Client::bufferViewManager()->requestDeleteBufferViews(deleteConfigs);
 162     }
 163
 164     QHash<BufferViewConfig *, BufferViewConfig *>::iterator changedConfigIter = _changedBufferViews.begin();
 165     QHash<BufferViewConfig *, BufferViewConfig *>::iterator changedConfigIterEnd = _changedBufferViews.end();
 166     BufferViewConfig *config, *changedConfig;
 167     while (changedConfigIter != changedConfigIterEnd) {
 168         config = changedConfigIter.key();
 169         changedConfig = changedConfigIter.value();
 170         changedConfigIter = _changedBufferViews.erase(changedConfigIter);
 171         config->requestUpdate(changedConfig->toVariantMap());
 172         changedConfig->deleteLater();
 173     }
 174
 175     QList<BufferViewConfig *>::iterator newConfigIter = _newBufferViews.begin();
 176     QList<BufferViewConfig *>::iterator newConfigIterEnd = _newBufferViews.end();
 177     while (newConfigIter != newConfigIterEnd) {
 178         config = *newConfigIter;
 179         newConfigIter = _newBufferViews.erase(newConfigIter);
 180         newConfigs << config->toVariantMap();
 181         config->deleteLater();
 182     }
 183     if (Client::bufferViewManager()) {
 184         Client::bufferViewManager()->requestCreateBufferViews(newConfigs);
 185     }
 186
 187     load();
 188     setEnabled(true);
 189 }
 190
 191
 192 void BufferViewSettingsPage::coreConnectionStateChanged(bool state)
 193 {
 194     setEnabled(state);
 195     if (state) {
 196         load();
 197         connect(Client::bufferViewManager(), selectOverload<int>(&BufferViewManager::bufferViewConfigAdded),
 198                 this, selectOverload<int>(&BufferViewSettingsPage::addBufferView));
 199     }
 200     else {
 201         reset();
 202     }
 203 }
 204
 205
 206 void BufferViewSettingsPage::addBufferView(BufferViewConfig *config)
 207 {
 208     auto *item = new QListWidgetItem(config->bufferViewName(), ui.bufferViewList);
 209     item->setData(Qt::UserRole, qVariantFromValue<QObject *>(qobject_cast<QObject *>(config)));
 210     connect(config, &SyncableObject::updatedRemotely, this, &BufferViewSettingsPage::updateBufferView);
 211     connect(config, &QObject::destroyed, this, &BufferViewSettingsPage::bufferViewDeleted);
 212     ui.deleteBufferView->setEnabled(ui.bufferViewList->count() > 1);
 213 }
 214
 215
 216 void BufferViewSettingsPage::addBufferView(int bufferViewId)
 217 {
 218     // we are informed about a new bufferview from Client::bufferViewManager()
 219     Q_ASSERT(Client::bufferViewManager());
 220     addBufferView(Client::bufferViewManager()->bufferViewConfig(bufferViewId));
 221     selectBufferViewById(bufferViewId);
 222 }
 223
 224
 225 void BufferViewSettingsPage::bufferViewDeleted()
 226 {
 227     auto *config = static_cast<BufferViewConfig *>(sender());
 228     QObject *obj;
 229     for (int i = 0; i < ui.bufferViewList->count(); i++) {
 230         obj = ui.bufferViewList->item(i)->data(Qt::UserRole).value<QObject *>();
 231         if (config == static_cast<BufferViewConfig *>(obj)) {
 232             QListWidgetItem *item = ui.bufferViewList->takeItem(i);
 233             delete item;
 234             break;
 235         }
 236     }
 237     ui.deleteBufferView->setEnabled(ui.bufferViewList->count() > 1);
 238 }
 239
 240
 241 void BufferViewSettingsPage::newBufferView(const QString &bufferViewName)
 242 {
 243     // id's of newly created bufferviews are negative (-1, -2... -n)
 244     int fakeId = -1 * (_newBufferViews.count() + 1);
 245     auto *config = new BufferViewConfig(fakeId);
 246     config->setBufferViewName(bufferViewName);
 247     config->setInitialized();
 248     QList<BufferId> bufferIds;
 249     if (config->addNewBuffersAutomatically()) {
 250         if (config->sortAlphabetically()) {
 251             bufferIds = Client::networkModel()->allBufferIdsSorted();
 252         }
 253         else {
 254             bufferIds = Client::networkModel()->allBufferIds();
 255             qSort(bufferIds);
 256             config->setProperty("OriginalBufferList", toVariantList<BufferId>(bufferIds));
 257         }
 258     }
 259     config->initSetBufferList(bufferIds);
 260
 261     _newBufferViews << config;
 262     addBufferView(config);
 263     ui.bufferViewList->setCurrentRow(listPos(config));
 264 }
 265
 266
 267 int BufferViewSettingsPage::listPos(BufferViewConfig *config)
 268 {
 269     QObject *obj;
 270     for (int i = 0; i < ui.bufferViewList->count(); i++) {
 271         obj = ui.bufferViewList->item(i)->data(Qt::UserRole).value<QObject *>();
 272         if (config == qobject_cast<BufferViewConfig *>(obj))
 273             return i;
 274     }
 275     return -1;
 276 }
 277
 278
 279 BufferViewConfig *BufferViewSettingsPage::bufferView(int listPos)
 280 {
 281     if (listPos < ui.bufferViewList->count() && listPos >= 0) {
 282         auto *obj = ui.bufferViewList->item(listPos)->data(Qt::UserRole).value<QObject *>();
 283         return qobject_cast<BufferViewConfig *>(obj);
 284     }
 285     else {
 286         return nullptr;
 287     }
 288 }
 289
 290
 291 bool BufferViewSettingsPage::selectBufferViewById(int bufferViewId)
 292 {
 293     BufferViewConfig *config;
 294     for (int i = 0; i < ui.bufferViewList->count(); i++) {
 295         config = qobject_cast<BufferViewConfig *>(ui.bufferViewList->item(i)->data(Qt::UserRole).value<QObject *>());
 296         if (config && config->bufferViewId() == bufferViewId) {
 297             ui.bufferViewList->setCurrentRow(i);
 298             return true;
 299         }
 300     }
 301     return false;
 302 }
 303
 304
 305 void BufferViewSettingsPage::updateBufferView()
 306 {
 307     auto *config = qobject_cast<BufferViewConfig *>(sender());
 308     if (!config)
 309         return;
 310
 311     int itemPos = listPos(config);
 312     if (itemPos == -1) {
 313         qWarning() << "BufferViewSettingsPage::updateBufferView(): view is unknown:" << config->bufferViewId();
 314         return;
 315     }
 316     ui.bufferViewList->item(itemPos)->setText(config->bufferViewName());
 317     if (itemPos == ui.bufferViewList->currentRow())
 318         loadConfig(config);
 319 }
 320
 321
 322 void BufferViewSettingsPage::enableStatusBuffers(int networkIdx)
 323 {
 324     // we don't show a status buffer if we show multiple networks as selecting
 325     // the network is the same as selecting the status buffer.
 326     ui.onlyStatusBuffers->setEnabled(networkIdx != 0);
 327 }
 328
 329
 330 void BufferViewSettingsPage::on_addBufferView_clicked()
 331 {
 332     if (!Client::bufferViewManager())
 333         return;
 334
 335     QStringList existing;
 336     foreach(BufferViewConfig *bufferConfig, Client::bufferViewManager()->bufferViewConfigs()) {
 337         existing << bufferConfig->bufferViewName();
 338     }
 339
 340     BufferViewEditDlg dlg(QString(), existing, this);
 341     if (dlg.exec() == QDialog::Accepted) {
 342         newBufferView(dlg.bufferViewName());
 343         setChangedState(true);
 344     }
 345 }
 346
 347
 348 void BufferViewSettingsPage::on_renameBufferView_clicked()
 349 {
 350     if (ui.bufferViewList->selectedItems().isEmpty())
 351         return;
 352
 353     if (!Client::bufferViewManager())
 354         return;
 355
 356     BufferViewConfig *config = bufferView(ui.bufferViewList->currentRow());
 357     if (!config)
 358         return;
 359
 360     QStringList existing;
 361     foreach(BufferViewConfig *bufferConfig, Client::bufferViewManager()->bufferViewConfigs()) {
 362         existing << bufferConfig->bufferViewName();
 363     }
 364
 365     BufferViewEditDlg dlg(config->bufferViewName(), existing, this);
 366     if (dlg.exec() == QDialog::Accepted) {
 367         BufferViewConfig *changedConfig = cloneConfig(config);
 368         changedConfig->setBufferViewName(dlg.bufferViewName());
 369         ui.bufferViewList->item(listPos(config))->setText(dlg.bufferViewName());
 370         setChangedState(true);
 371     }
 372 }
 373
 374
 375 void BufferViewSettingsPage::on_deleteBufferView_clicked()
 376 {
 377     if (ui.bufferViewList->selectedItems().isEmpty())
 378         return;
 379
 380     QListWidgetItem *currentItem = ui.bufferViewList->item(ui.bufferViewList->currentRow());
 381     QString viewName = currentItem->text();
 382     int viewId = bufferView(ui.bufferViewList->currentRow())->bufferViewId();
 383     int ret = QMessageBox::question(this, tr("Delete Chat List?"),
 384         tr("Do you really want to delete the chat list \"%1\"?").arg(viewName),
 385         QMessageBox::Yes|QMessageBox::No, QMessageBox::No);
 386
 387     if (ret == QMessageBox::Yes) {
 388         ui.bufferViewList->removeItemWidget(currentItem);
 389         auto *config = qobject_cast<BufferViewConfig *>(currentItem->data(Qt::UserRole).value<QObject *>());
 390         delete currentItem;
 391         if (viewId >= 0) {
 392             _deleteBufferViews << viewId;
 393             setChangedState(true);
 394         }
 395         else if (config) {
 396             QList<BufferViewConfig *>::iterator iter = _newBufferViews.begin();
 397             while (iter != _newBufferViews.end()) {
 398                 if (*iter == config) {
 399                     iter = _newBufferViews.erase(iter);
 400                     break;
 401                 }
 402                 else {
 403                     ++iter;
 404                 }
 405             }
 406             delete config;
 407             if (_deleteBufferViews.isEmpty() && _changedBufferViews.isEmpty() && _newBufferViews.isEmpty())
 408                 setChangedState(false);
 409         }
 410     }
 411 }
 412
 413
 414 void BufferViewSettingsPage::bufferViewSelectionChanged(const QItemSelection &current, const QItemSelection &previous)
 415 {
 416     Q_UNUSED(previous)
 417
 418     if (!current.isEmpty()) {
 419         ui.settingsGroupBox->setEnabled(true);
 420         ui.bufferViewPreview->setEnabled(true);
 421
 422         loadConfig(configForDisplay(bufferView(ui.bufferViewList->currentRow())));
 423     }
 424     else {
 425         ui.settingsGroupBox->setEnabled(false);
 426         ui.bufferViewPreview->setEnabled(false);
 427     }
 428 }
 429
 430
 431 void BufferViewSettingsPage::loadConfig(BufferViewConfig *config)
 432 {
 433     if (!config)
 434         return;
 435
 436     _ignoreWidgetChanges = true;
 437     ui.onlyStatusBuffers->setChecked(BufferInfo::StatusBuffer & config->allowedBufferTypes());
 438     ui.onlyChannelBuffers->setChecked(BufferInfo::ChannelBuffer & config->allowedBufferTypes());
 439     ui.onlyQueryBuffers->setChecked(BufferInfo::QueryBuffer & config->allowedBufferTypes());
 440     ui.addNewBuffersAutomatically->setChecked(config->addNewBuffersAutomatically());
 441     ui.sortAlphabetically->setChecked(config->sortAlphabetically());
 442     ui.hideInactiveBuffers->setChecked(config->hideInactiveBuffers());
 443     ui.hideInactiveNetworks->setChecked(config->hideInactiveNetworks());
 444     ui.showSearch->setChecked(config->showSearch());
 445
 446     int networkIndex = 0;
 447     for (int i = 0; i < ui.networkSelector->count(); i++) {
 448         if (ui.networkSelector->itemData(i).value<NetworkId>() == config->networkId()) {
 449             networkIndex = i;
 450             break;
 451         }
 452     }
 453     ui.networkSelector->setCurrentIndex(networkIndex);
 454
 455     int activityIndex = 0;
 456     int minimumActivity = config->minimumActivity();
 457     while (minimumActivity) {
 458         activityIndex++;
 459         minimumActivity = minimumActivity >> 1;
 460     }
 461     ui.minimumActivitySelector->setCurrentIndex(activityIndex);
 462
 463     ui.bufferViewPreview->setFilteredModel(Client::bufferModel(), config);
 464
 465     _ignoreWidgetChanges = false;
 466 }
 467
 468
 469 void BufferViewSettingsPage::saveConfig(BufferViewConfig *config)
 470 {
 471     if (!config)
 472         return;
 473
 474     int allowedBufferTypes = 0;
 475     if (ui.onlyStatusBuffers->isChecked())
 476         allowedBufferTypes |= BufferInfo::StatusBuffer;
 477     if (ui.onlyChannelBuffers->isChecked())
 478         allowedBufferTypes |= BufferInfo::ChannelBuffer;
 479     if (ui.onlyQueryBuffers->isChecked())
 480         allowedBufferTypes |= BufferInfo::QueryBuffer;
 481     config->setAllowedBufferTypes(allowedBufferTypes);
 482
 483     config->setAddNewBuffersAutomatically(ui.addNewBuffersAutomatically->isChecked());
 484     config->setSortAlphabetically(ui.sortAlphabetically->isChecked());
 485     config->setHideInactiveBuffers(ui.hideInactiveBuffers->isChecked());
 486     config->setHideInactiveNetworks(ui.hideInactiveNetworks->isChecked());
 487     config->setNetworkId(ui.networkSelector->itemData(ui.networkSelector->currentIndex()).value<NetworkId>());
 488     config->setShowSearch(ui.showSearch->isChecked());
 489
 490     int minimumActivity = 0;
 491     if (ui.minimumActivitySelector->currentIndex() > 0)
 492         minimumActivity = 1 << (ui.minimumActivitySelector->currentIndex() - 1);
 493     config->setMinimumActivity(minimumActivity);
 494
 495     QList<BufferId> bufferIds = fromVariantList<BufferId>(config->property("OriginalBufferList").toList());
 496     if (config->sortAlphabetically())
 497         Client::networkModel()->sortBufferIds(bufferIds);
 498
 499     if (!_newBufferViews.contains(config) || config->addNewBuffersAutomatically())
 500         config->initSetBufferList(bufferIds);
 501 }
 502
 503
 504 void BufferViewSettingsPage::widgetHasChanged()
 505 {
 506     if (_ignoreWidgetChanges)
 507         return;
 508     setChangedState(testHasChanged());
 509 }
 510
 511
 512 bool BufferViewSettingsPage::testHasChanged()
 513 {
 514     saveConfig(cloneConfig(bufferView(ui.bufferViewList->currentRow())));
 515
 516     if (!_newBufferViews.isEmpty())
 517         return true;
 518
 519     bool changed = false;
 520     QHash<BufferViewConfig *, BufferViewConfig *>::iterator iter = _changedBufferViews.begin();
 521     QHash<BufferViewConfig *, BufferViewConfig *>::iterator iterEnd = _changedBufferViews.end();
 522     while (iter != iterEnd) {
 523         if (&(iter.key()) == &(iter.value())) {
 524             iter.value()->deleteLater();
 525             iter = _changedBufferViews.erase(iter);
 526         }
 527         else {
 528             changed = true;
 529             ++iter;
 530         }
 531     }
 532     return changed;
 533 }
 534
 535
 536 BufferViewConfig *BufferViewSettingsPage::cloneConfig(BufferViewConfig *config)
 537 {
 538     if (!config || config->bufferViewId() < 0)
 539         return config;
 540
 541     if (_changedBufferViews.contains(config))
 542         return _changedBufferViews[config];
 543
 544     auto *changedConfig = new BufferViewConfig(-1, this);
 545     changedConfig->fromVariantMap(config->toVariantMap());
 546     changedConfig->setInitialized();
 547     _changedBufferViews[config] = changedConfig;
 548     connect(config, &BufferViewConfig::bufferAdded, changedConfig, &BufferViewConfig::addBuffer);
 549     connect(config, &BufferViewConfig::bufferMoved, changedConfig, &BufferViewConfig::moveBuffer);
 550     connect(config, &BufferViewConfig::bufferRemoved, changedConfig, &BufferViewConfig::removeBuffer);
 551     // connect(config, &BufferViewConfig::addBufferRequested, changedConfig, &BufferViewConfig::addBuffer);
 552     // connect(config, &BufferViewConfig::moveBufferRequested, changedConfig, &BufferViewConfig::moveBuffer);
 553     // connect(config, &BufferViewconfig::removeBufferRequested, changedConfig, &BufferViewConfig::removeBuffer);
 554
 555     changedConfig->setProperty("OriginalBufferList", toVariantList<BufferId>(config->bufferList()));
 556     // if this is the currently displayed view we have to change the config of the preview filter
 557     auto *filter = qobject_cast<BufferViewFilter *>(ui.bufferViewPreview->model());
 558     if (filter && filter->config() == config)
 559         filter->setConfig(changedConfig);
 560     ui.bufferViewPreview->setConfig(changedConfig);
 561
 562     return changedConfig;
 563 }
 564
 565
 566 BufferViewConfig *BufferViewSettingsPage::configForDisplay(BufferViewConfig *config)
 567 {
 568     if (_changedBufferViews.contains(config))
 569         return _changedBufferViews[config];
 570     else
 571         return config;
 572 }
 573
 574
 575 /**************************************************************************
 576  * BufferViewEditDlg
 577  *************************************************************************/
 578 BufferViewEditDlg::BufferViewEditDlg(const QString &old, QStringList exist, QWidget *parent) : QDialog(parent), existing(std::move(exist))
 579 {
 580     ui.setupUi(this);
 581
 582     if (old.isEmpty()) {
 583         // new buffer
 584         setWindowTitle(tr("Add Chat List"));
 585         on_bufferViewEdit_textChanged(""); // disable ok button
 586     }
 587     else {
 588         ui.bufferViewEdit->setText(old);
 589     }
 590 }
 591
 592
 593 void BufferViewEditDlg::on_bufferViewEdit_textChanged(const QString &text)
 594 {
 595     ui.buttonBox->button(QDialogButtonBox::Ok)->setDisabled(text.isEmpty() || existing.contains(text));
 596 }