src/dolphintabwidget.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2014 Emmanuel Pescosta <emmanuelpescosta099@gmail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #include "dolphintabwidget.h"
   8
   9 #include "dolphin_generalsettings.h"
  10 #include "dolphintabbar.h"
  11 #include "dolphinviewcontainer.h"
  12
  13 #include <KConfigGroup>
  14 #include <KShell>
  15 #include <kio/global.h>
  16 #include <KIO/CommandLauncherJob>
  17 #include <KAcceleratorManager>
  18 #include <KLocalizedString>
  19
  20 #include <QApplication>
  21 #include <QDropEvent>
  22
  23 DolphinTabWidget::DolphinTabWidget(DolphinNavigatorsWidgetAction *navigatorsWidget, QWidget* parent) :
  24     QTabWidget(parent),
  25     m_lastViewedTab(nullptr),
  26     m_navigatorsWidget{navigatorsWidget}
  27 {
  28     KAcceleratorManager::setNoAccel(this);
  29
  30     connect(this, &DolphinTabWidget::tabCloseRequested,
  31             this, QOverload<int>::of(&DolphinTabWidget::closeTab));
  32     connect(this, &DolphinTabWidget::currentChanged,
  33             this, &DolphinTabWidget::currentTabChanged);
  34
  35     DolphinTabBar* tabBar = new DolphinTabBar(this);
  36     connect(tabBar, &DolphinTabBar::openNewActivatedTab,
  37             this, QOverload<int>::of(&DolphinTabWidget::openNewActivatedTab));
  38     connect(tabBar, &DolphinTabBar::tabDropEvent,
  39             this, &DolphinTabWidget::tabDropEvent);
  40     connect(tabBar, &DolphinTabBar::tabDetachRequested,
  41             this, &DolphinTabWidget::detachTab);
  42     tabBar->hide();
  43
  44     setTabBar(tabBar);
  45     setDocumentMode(true);
  46     setElideMode(Qt::ElideRight);
  47     setUsesScrollButtons(true);
  48 }
  49
  50 DolphinTabPage* DolphinTabWidget::currentTabPage() const
  51 {
  52     return tabPageAt(currentIndex());
  53 }
  54
  55 DolphinTabPage* DolphinTabWidget::nextTabPage() const
  56 {
  57     const int index = currentIndex() + 1;
  58     return tabPageAt(index < count() ? index : 0);
  59 }
  60
  61 DolphinTabPage* DolphinTabWidget::prevTabPage() const
  62 {
  63     const int index = currentIndex() - 1;
  64     return tabPageAt(index >= 0 ? index : (count() - 1));
  65 }
  66
  67 DolphinTabPage* DolphinTabWidget::tabPageAt(const int index) const
  68 {
  69     return static_cast<DolphinTabPage*>(widget(index));
  70 }
  71
  72 void DolphinTabWidget::saveProperties(KConfigGroup& group) const
  73 {
  74     const int tabCount = count();
  75     group.writeEntry("Tab Count", tabCount);
  76     group.writeEntry("Active Tab Index", currentIndex());
  77
  78     for (int i = 0; i < tabCount; ++i) {
  79         const DolphinTabPage* tabPage = tabPageAt(i);
  80         group.writeEntry("Tab Data " % QString::number(i), tabPage->saveState());
  81     }
  82 }
  83
  84 void DolphinTabWidget::readProperties(const KConfigGroup& group)
  85 {
  86     const int tabCount = group.readEntry("Tab Count", 0);
  87     for (int i = 0; i < tabCount; ++i) {
  88         if (i >= count()) {
  89             openNewActivatedTab();
  90         }
  91         const QByteArray state = group.readEntry("Tab Data " % QString::number(i), QByteArray());
  92         tabPageAt(i)->restoreState(state);
  93     }
  94
  95     const int index = group.readEntry("Active Tab Index", 0);
  96     setCurrentIndex(index);
  97 }
  98
  99 void DolphinTabWidget::refreshViews()
 100 {
 101     // Left-elision is better when showing full paths, since you care most
 102     // about the current directory which is on the right
 103     if (GeneralSettings::showFullPathInTitlebar()) {
 104         setElideMode(Qt::ElideLeft);
 105     } else {
 106         setElideMode(Qt::ElideRight);
 107     }
 108
 109     const int tabCount = count();
 110     for (int i = 0; i < tabCount; ++i) {
 111         tabBar()->setTabText(i, tabName(tabPageAt(i)));
 112         tabPageAt(i)->refreshViews();
 113     }
 114 }
 115
 116 bool DolphinTabWidget::isUrlOpen(const QUrl &url) const
 117 {
 118     return viewOpenAtDirectory(url).has_value();
 119 }
 120
 121 bool DolphinTabWidget::isItemVisibleInAnyView(const QUrl &urlOfItem) const
 122 {
 123     return viewShowingItem(urlOfItem).has_value();
 124 }
 125
 126 void DolphinTabWidget::openNewActivatedTab()
 127 {
 128     std::unique_ptr<DolphinUrlNavigator::VisualState> oldNavigatorState;
 129     if (currentTabPage()->primaryViewActive() || !m_navigatorsWidget->secondaryUrlNavigator()) {
 130         oldNavigatorState = m_navigatorsWidget->primaryUrlNavigator()->visualState();
 131     } else {
 132         oldNavigatorState = m_navigatorsWidget->secondaryUrlNavigator()->visualState();
 133     }
 134
 135     const DolphinViewContainer* oldActiveViewContainer = currentTabPage()->activeViewContainer();
 136     Q_ASSERT(oldActiveViewContainer);
 137
 138     openNewActivatedTab(oldActiveViewContainer->url());
 139
 140     DolphinViewContainer* newActiveViewContainer = currentTabPage()->activeViewContainer();
 141     Q_ASSERT(newActiveViewContainer);
 142
 143     // The URL navigator of the new tab should have the same editable state
 144     // as the current tab
 145     newActiveViewContainer->urlNavigator()->setVisualState(*oldNavigatorState.get());
 146
 147     // Always focus the new tab's view
 148     newActiveViewContainer->view()->setFocus();
 149 }
 150
 151 void DolphinTabWidget::openNewActivatedTab(const QUrl& primaryUrl, const QUrl& secondaryUrl)
 152 {
 153     openNewTab(primaryUrl, secondaryUrl);
 154     if (GeneralSettings::openNewTabAfterLastTab()) {
 155         setCurrentIndex(count() - 1);
 156     } else {
 157         setCurrentIndex(currentIndex() + 1);
 158     }
 159 }
 160
 161 void DolphinTabWidget::openNewTab(const QUrl& primaryUrl, const QUrl& secondaryUrl, DolphinTabWidget::NewTabPosition position)
 162 {
 163     QWidget* focusWidget = QApplication::focusWidget();
 164
 165     DolphinTabPage* tabPage = new DolphinTabPage(primaryUrl, secondaryUrl, this);
 166     tabPage->setActive(false);
 167     connect(tabPage, &DolphinTabPage::activeViewChanged,
 168             this, &DolphinTabWidget::activeViewChanged);
 169     connect(tabPage, &DolphinTabPage::activeViewUrlChanged,
 170             this, &DolphinTabWidget::tabUrlChanged);
 171     connect(tabPage->activeViewContainer(), &DolphinViewContainer::captionChanged, this, [this, tabPage]() {
 172         const int tabIndex = indexOf(tabPage);
 173         Q_ASSERT(tabIndex >= 0);
 174         tabBar()->setTabText(tabIndex, tabName(tabPage));
 175     });
 176
 177     if (position == NewTabPosition::FollowSetting) {
 178         if (GeneralSettings::openNewTabAfterLastTab()) {
 179             position = NewTabPosition::AtEnd;
 180         } else {
 181             position = NewTabPosition::AfterCurrent;
 182         }
 183     }
 184
 185     int newTabIndex = -1;
 186     if (position == NewTabPosition::AfterCurrent || (position == NewTabPosition::FollowSetting && !GeneralSettings::openNewTabAfterLastTab())) {
 187         newTabIndex = currentIndex() + 1;
 188     }
 189
 190     insertTab(newTabIndex, tabPage, QIcon() /* loaded in tabInserted */, tabName(tabPage));
 191
 192     if (focusWidget) {
 193         // The DolphinViewContainer grabbed the keyboard focus. As the tab is opened
 194         // in background, assure that the previous focused widget gets the focus back.
 195         focusWidget->setFocus();
 196     }
 197 }
 198
 199 void DolphinTabWidget::openDirectories(const QList<QUrl>& dirs, bool splitView)
 200 {
 201     Q_ASSERT(dirs.size() > 0);
 202
 203     bool somethingWasAlreadyOpen = false;
 204
 205     QList<QUrl>::const_iterator it = dirs.constBegin();
 206     while (it != dirs.constEnd()) {
 207         const QUrl& primaryUrl = *(it++);
 208         const std::optional<ViewIndex> viewIndexAtDirectory = viewOpenAtDirectory(primaryUrl);
 209
 210         // When the user asks for a URL that's already open,
 211         // activate it instead of opening a new tab
 212         if (viewIndexAtDirectory.has_value()) {
 213             somethingWasAlreadyOpen = true;
 214             activateViewContainerAt(viewIndexAtDirectory.value());
 215         } else if (splitView && (it != dirs.constEnd())) {
 216             const QUrl& secondaryUrl = *(it++);
 217             if (somethingWasAlreadyOpen) {
 218                 openNewTab(primaryUrl, secondaryUrl);
 219             } else {
 220                 openNewActivatedTab(primaryUrl, secondaryUrl);
 221             }
 222         } else {
 223             if (somethingWasAlreadyOpen) {
 224                 openNewTab(primaryUrl);
 225             } else {
 226                 openNewActivatedTab(primaryUrl);
 227             }
 228         }
 229     }
 230 }
 231
 232 void DolphinTabWidget::openFiles(const QList<QUrl>& files, bool splitView)
 233 {
 234     Q_ASSERT(files.size() > 0);
 235
 236     // Get all distinct directories from 'files'.
 237     QList<QUrl> dirsThatNeedToBeOpened;
 238     QList<QUrl> dirsThatWereAlreadyOpen;
 239     for (const QUrl& file : files) {
 240         const QUrl dir(file.adjusted(QUrl::RemoveFilename | QUrl::StripTrailingSlash));
 241         if (dirsThatNeedToBeOpened.contains(dir) || dirsThatWereAlreadyOpen.contains(dir)) {
 242             continue;
 243         }
 244
 245         // The selecting of files that we do later will not work in views that already have items selected.
 246         // So we check if dir is already open and clear the selection if it is. BUG: 417230
 247         // We also make sure the view will be activated.
 248         auto viewIndex = viewShowingItem(file);
 249         if (viewIndex.has_value()) {
 250             viewContainerAt(viewIndex.value())->view()->clearSelection();
 251             activateViewContainerAt(viewIndex.value());
 252             dirsThatWereAlreadyOpen.append(dir);
 253         } else {
 254             dirsThatNeedToBeOpened.append(dir);
 255         }
 256     }
 257
 258     const int oldTabCount = count();
 259     // Open a tab for each directory. If the "split view" option is enabled,
 260     // two directories are shown inside one tab (see openDirectories()).
 261     if (dirsThatNeedToBeOpened.size() > 0) {
 262         openDirectories(dirsThatNeedToBeOpened, splitView);
 263     }
 264     const int tabCount = count();
 265
 266     // Select the files. Although the files can be split between several
 267     // tabs, there is no need to split 'files' accordingly, as
 268     // the DolphinView will just ignore invalid selections.
 269     for (int i = 0; i < tabCount; ++i) {
 270         DolphinTabPage* tabPage = tabPageAt(i);
 271         tabPage->markUrlsAsSelected(files);
 272         tabPage->markUrlAsCurrent(files.first());
 273         if (i < oldTabCount) {
 274             // Force selection of file if directory was already open, BUG: 417230
 275             tabPage->activeViewContainer()->view()->updateViewState();
 276         }
 277     }
 278 }
 279
 280 void DolphinTabWidget::closeTab()
 281 {
 282     closeTab(currentIndex());
 283 }
 284
 285 void DolphinTabWidget::closeTab(const int index)
 286 {
 287     Q_ASSERT(index >= 0);
 288     Q_ASSERT(index < count());
 289
 290     if (count() < 2) {
 291         // Close Dolphin when closing the last tab.
 292         parentWidget()->close();
 293         return;
 294     }
 295
 296     DolphinTabPage* tabPage = tabPageAt(index);
 297     Q_EMIT rememberClosedTab(tabPage->activeViewContainer()->url(), tabPage->saveState());
 298
 299     removeTab(index);
 300     tabPage->deleteLater();
 301 }
 302
 303 void DolphinTabWidget::activateTab(const int index)
 304 {
 305     if (index < count()) {
 306         setCurrentIndex(index);
 307     }
 308 }
 309
 310 void DolphinTabWidget::activateLastTab()
 311 {
 312     setCurrentIndex(count() - 1);
 313 }
 314
 315 void DolphinTabWidget::activateNextTab()
 316 {
 317     const int index = currentIndex() + 1;
 318     setCurrentIndex(index < count() ? index : 0);
 319 }
 320
 321 void DolphinTabWidget::activatePrevTab()
 322 {
 323     const int index = currentIndex() - 1;
 324     setCurrentIndex(index >= 0 ? index : (count() - 1));
 325 }
 326
 327 void DolphinTabWidget::restoreClosedTab(const QByteArray& state)
 328 {
 329     openNewActivatedTab();
 330     currentTabPage()->restoreState(state);
 331 }
 332
 333 void DolphinTabWidget::copyToInactiveSplitView()
 334 {
 335     const DolphinTabPage* tabPage = tabPageAt(currentIndex());
 336     DolphinViewContainer* activeViewContainer = currentTabPage()->activeViewContainer();
 337     if (!tabPage->splitViewEnabled() || activeViewContainer->view()->selectedItems().isEmpty()) {
 338         return;
 339     }
 340
 341     if (tabPage->primaryViewActive()) {
 342         // copy from left panel to right
 343         activeViewContainer->view()->copySelectedItems(activeViewContainer->view()->selectedItems(), tabPage->secondaryViewContainer()->url());
 344     } else {
 345         // copy from right panel to left
 346         activeViewContainer->view()->copySelectedItems(activeViewContainer->view()->selectedItems(), tabPage->primaryViewContainer()->url());
 347     }
 348 }
 349
 350 void DolphinTabWidget::moveToInactiveSplitView()
 351 {
 352     const DolphinTabPage* tabPage = tabPageAt(currentIndex());
 353     DolphinViewContainer* activeViewContainer = currentTabPage()->activeViewContainer();
 354     if (!tabPage->splitViewEnabled() || activeViewContainer->view()->selectedItems().isEmpty()) {
 355         return;
 356     }
 357
 358     if (tabPage->primaryViewActive()) {
 359         // move from left panel to right
 360         activeViewContainer->view()->moveSelectedItems(activeViewContainer->view()->selectedItems(), tabPage->secondaryViewContainer()->url());
 361     } else {
 362         // move from right panel to left
 363         activeViewContainer->view()->moveSelectedItems(activeViewContainer->view()->selectedItems(), tabPage->primaryViewContainer()->url());
 364     }
 365 }
 366
 367 void DolphinTabWidget::detachTab(int index)
 368 {
 369     Q_ASSERT(index >= 0);
 370
 371     QStringList args;
 372
 373     const DolphinTabPage* tabPage = tabPageAt(index);
 374     args << tabPage->primaryViewContainer()->url().url();
 375     if (tabPage->splitViewEnabled()) {
 376         args << tabPage->secondaryViewContainer()->url().url();
 377         args << QStringLiteral("--split");
 378     }
 379     args << QStringLiteral("--new-window");
 380
 381     KIO::CommandLauncherJob *job = new KIO::CommandLauncherJob("dolphin", args, this);
 382     job->setDesktopName(QStringLiteral("org.kde.dolphin"));
 383     job->start();
 384
 385     closeTab(index);
 386 }
 387
 388 void DolphinTabWidget::openNewActivatedTab(int index)
 389 {
 390     Q_ASSERT(index >= 0);
 391     const DolphinTabPage* tabPage = tabPageAt(index);
 392     openNewActivatedTab(tabPage->activeViewContainer()->url());
 393 }
 394
 395 void DolphinTabWidget::tabDropEvent(int index, QDropEvent* event)
 396 {
 397     if (index >= 0) {
 398         DolphinView* view = tabPageAt(index)->activeViewContainer()->view();
 399         view->dropUrls(view->url(), event, view);
 400     } else {
 401         const auto urls = event->mimeData()->urls();
 402
 403         for (const QUrl &url : urls) {
 404             auto *job = KIO::statDetails(url, KIO::StatJob::SourceSide, KIO::StatDetail::StatBasic, KIO::JobFlag::HideProgressInfo);
 405             connect(job, &KJob::result, this, [this, job]() {
 406                 if (!job->error() && job->statResult().isDir()) {
 407                     openNewTab(job->url(), QUrl(), NewTabPosition::AtEnd);
 408                 }
 409             });
 410         }
 411     }
 412 }
 413
 414 void DolphinTabWidget::tabUrlChanged(const QUrl& url)
 415 {
 416     const int index = indexOf(qobject_cast<QWidget*>(sender()));
 417     if (index >= 0) {
 418         tabBar()->setTabText(index, tabName(tabPageAt(index)));
 419         tabBar()->setTabToolTip(index, url.toDisplayString(QUrl::PreferLocalFile));
 420         if (tabBar()->isVisible()) {
 421             // ensure the path url ends with a slash to have proper folder icon for remote folders
 422             const QUrl pathUrl = QUrl(url.adjusted(QUrl::StripTrailingSlash).toString(QUrl::FullyEncoded).append("/"));
 423             tabBar()->setTabIcon(index, QIcon::fromTheme(KIO::iconNameForUrl(pathUrl)));
 424         } else {
 425             // Mark as dirty, actually load once the tab bar actually gets shown
 426             tabBar()->setTabIcon(index, QIcon());
 427         }
 428
 429         // Emit the currentUrlChanged signal if the url of the current tab has been changed.
 430         if (index == currentIndex()) {
 431             Q_EMIT currentUrlChanged(url);
 432         }
 433     }
 434 }
 435
 436 void DolphinTabWidget::currentTabChanged(int index)
 437 {
 438     DolphinTabPage *tabPage = tabPageAt(index);
 439     if (tabPage == m_lastViewedTab) {
 440         return;
 441     }
 442     if (m_lastViewedTab) {
 443         m_lastViewedTab->disconnectNavigators();
 444         m_lastViewedTab->setActive(false);
 445     }
 446     if (tabPage->splitViewEnabled() && !m_navigatorsWidget->secondaryUrlNavigator()) {
 447         m_navigatorsWidget->createSecondaryUrlNavigator();
 448     }
 449     DolphinViewContainer* viewContainer = tabPage->activeViewContainer();
 450     Q_EMIT activeViewChanged(viewContainer);
 451     Q_EMIT currentUrlChanged(viewContainer->url());
 452     tabPage->setActive(true);
 453     tabPage->connectNavigators(m_navigatorsWidget);
 454     m_navigatorsWidget->setSecondaryNavigatorVisible(tabPage->splitViewEnabled());
 455     m_lastViewedTab = tabPage;
 456 }
 457
 458 void DolphinTabWidget::tabInserted(int index)
 459 {
 460     QTabWidget::tabInserted(index);
 461
 462     if (count() > 1) {
 463         // Resolve all pending tab icons
 464         for (int i = 0; i < count(); ++i) {
 465             const QUrl url = tabPageAt(i)->activeViewContainer()->url();
 466             if (tabBar()->tabIcon(i).isNull()) {
 467                 // ensure the path url ends with a slash to have proper folder icon for remote folders
 468                 const QUrl pathUrl = QUrl(url.adjusted(QUrl::StripTrailingSlash).toString(QUrl::FullyEncoded).append("/"));
 469                 tabBar()->setTabIcon(i, QIcon::fromTheme(KIO::iconNameForUrl(pathUrl)));
 470             }
 471             if (tabBar()->tabToolTip(i).isEmpty()) {
 472                 tabBar()->setTabToolTip(index, url.toDisplayString(QUrl::PreferLocalFile));
 473             }
 474         }
 475
 476         tabBar()->show();
 477     }
 478
 479     Q_EMIT tabCountChanged(count());
 480 }
 481
 482 void DolphinTabWidget::tabRemoved(int index)
 483 {
 484     QTabWidget::tabRemoved(index);
 485
 486     // If only one tab is left, then remove the tab entry so that
 487     // closing the last tab is not possible.
 488     if (count() < 2) {
 489         tabBar()->hide();
 490     }
 491
 492     Q_EMIT tabCountChanged(count());
 493 }
 494
 495 QString DolphinTabWidget::tabName(DolphinTabPage* tabPage) const
 496 {
 497     if (!tabPage) {
 498         return QString();
 499     }
 500
 501     QString name;
 502     if (tabPage->splitViewEnabled()) {
 503         if (tabPage->primaryViewActive()) {
 504             // i18n: %1 is the primary view and %2 the secondary view. For left to right languages the primary view is on the left so we also want it to be on the
 505             // left in the tab name. In right to left languages the primary view would be on the right so the tab name should match.
 506             name = i18nc("@title:tab Active primary view | (Inactive secondary view)", "%1 | (%2)", tabPage->primaryViewContainer()->caption(), tabPage->secondaryViewContainer()->caption());
 507         } else {
 508             // i18n: %1 is the primary view and %2 the secondary view. For left to right languages the primary view is on the left so we also want it to be on the
 509             // left in the tab name. In right to left languages the primary view would be on the right so the tab name should match.
 510             name = i18nc("@title:tab (Inactive primary view) | Active secondary view", "(%1) | %2", tabPage->primaryViewContainer()->caption(), tabPage->secondaryViewContainer()->caption());
 511         }
 512     } else {
 513         name = tabPage->activeViewContainer()->caption();
 514     }
 515
 516     // Make sure that a '&' inside the directory name is displayed correctly
 517     // and not misinterpreted as a keyboard shortcut in QTabBar::setTabText()
 518     return name.replace('&', QLatin1String("&&"));
 519 }
 520
 521 DolphinViewContainer *DolphinTabWidget::viewContainerAt(DolphinTabWidget::ViewIndex viewIndex) const
 522 {
 523     const auto tabPage = tabPageAt(viewIndex.tabIndex);
 524     if (!tabPage) {
 525         return nullptr;
 526     }
 527     return viewIndex.isInPrimaryView ? tabPage->primaryViewContainer() : tabPage->secondaryViewContainer();
 528 }
 529
 530 DolphinViewContainer *DolphinTabWidget::activateViewContainerAt(DolphinTabWidget::ViewIndex viewIndex)
 531 {
 532     activateTab(viewIndex.tabIndex);
 533     auto viewContainer = viewContainerAt(viewIndex);
 534     if (!viewContainer) {
 535         return nullptr;
 536     }
 537     viewContainer->setActive(true);
 538     return viewContainer;
 539 }
 540
 541 const std::optional<const DolphinTabWidget::ViewIndex> DolphinTabWidget::viewOpenAtDirectory(const QUrl& directory) const
 542 {
 543     int i = currentIndex();
 544     if (i < 0) {
 545         return std::nullopt;
 546     }
 547     // loop over the tabs starting from the current one
 548     do {
 549         const auto tabPage = tabPageAt(i);
 550         if (tabPage->primaryViewContainer()->url() == directory) {
 551             return std::optional(ViewIndex{i, true});
 552         }
 553
 554         if (tabPage->splitViewEnabled() && tabPage->secondaryViewContainer()->url() == directory) {
 555             return std::optional(ViewIndex{i, false});
 556         }
 557
 558         i = (i + 1) % count();
 559     }
 560     while (i != currentIndex());
 561
 562     return std::nullopt;
 563 }
 564
 565 const std::optional<const DolphinTabWidget::ViewIndex> DolphinTabWidget::viewShowingItem(const QUrl& item) const
 566 {
 567     // The item might not be loaded yet even though it exists. So instead
 568     // we check if the folder containing the item is showing its contents.
 569     const QUrl dirContainingItem(item.adjusted(QUrl::RemoveFilename | QUrl::StripTrailingSlash));
 570
 571     // The dirContainingItem is either open directly or expanded in a tree-style view mode.
 572     // Is dirContainingitem the base url of a view?
 573     auto viewOpenAtContainingDirectory = viewOpenAtDirectory(dirContainingItem);
 574     if (viewOpenAtContainingDirectory.has_value()) {
 575         return viewOpenAtContainingDirectory;
 576     }
 577
 578     // Is dirContainingItem expanded in some tree-style view?
 579     // The rest of this method is about figuring this out.
 580
 581     int i = currentIndex();
 582     if (i < 0) {
 583         return std::nullopt;
 584     }
 585     // loop over the tabs starting from the current one
 586     do {
 587         const auto tabPage = tabPageAt(i);
 588         if (tabPage->primaryViewContainer()->url().isParentOf(item)) {
 589             const KFileItem fileItemContainingItem = tabPage->primaryViewContainer()->view()->items().findByUrl(dirContainingItem);
 590             if (!fileItemContainingItem.isNull() && tabPage->primaryViewContainer()->view()->isExpanded(fileItemContainingItem)) {
 591                 return std::optional(ViewIndex{i, true});
 592             }
 593         }
 594
 595         if (tabPage->splitViewEnabled() && tabPage->secondaryViewContainer()->url().isParentOf(item)) {
 596             const KFileItem fileItemContainingItem = tabPage->secondaryViewContainer()->view()->items().findByUrl(dirContainingItem);
 597             if (!fileItemContainingItem.isNull() && tabPage->secondaryViewContainer()->view()->isExpanded(fileItemContainingItem)) {
 598                 return std::optional(ViewIndex{i, false});
 599             }
 600         }
 601
 602         i = (i + 1) % count();
 603     }
 604     while (i != currentIndex());
 605
 606     return std::nullopt;
 607 }