src/dolphinviewcontainer.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2007 Peter Penz <peter.penz19@gmail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #include "dolphinviewcontainer.h"
   8
   9 #include "dolphin_detailsmodesettings.h"
  10 #include "dolphin_generalsettings.h"
  11 #include "dolphindebug.h"
  12 #include "dolphinplacesmodelsingleton.h"
  13 #include "filterbar/filterbar.h"
  14 #include "global.h"
  15 #include "search/dolphinsearchbox.h"
  16 #include "selectionmode/topbar.h"
  17 #include "statusbar/dolphinstatusbar.h"
  18
  19 #include <KActionCollection>
  20 #if HAVE_KACTIVITIES
  21 #include <KActivities/ResourceInstance>
  22 #endif
  23 #include <KFileItemActions>
  24 #include <KFilePlacesModel>
  25 #include <KIO/JobUiDelegateFactory>
  26 #include <KIO/OpenUrlJob>
  27 #include <KLocalizedString>
  28 #include <KMessageWidget>
  29 #include <KProtocolManager>
  30 #include <KShell>
  31
  32 #include <QDesktopServices>
  33 #include <QDropEvent>
  34 #include <QGridLayout>
  35 #include <QGuiApplication>
  36 #include <QRegularExpression>
  37 #include <QTimer>
  38 #include <QUrl>
  39
  40 // An overview of the widgets contained by this ViewContainer
  41 struct LayoutStructure {
  42     int searchBox = 0;
  43     int messageWidget = 1;
  44     int selectionModeTopBar = 2;
  45     int view = 3;
  46     int selectionModeBottomBar = 4;
  47     int filterBar = 5;
  48     int statusBar = 6;
  49 };
  50 constexpr LayoutStructure positionFor;
  51
  52 DolphinViewContainer::DolphinViewContainer(const QUrl &url, QWidget *parent)
  53     : QWidget(parent)
  54     , m_topLayout(nullptr)
  55     , m_urlNavigator{new DolphinUrlNavigator(url)}
  56     , m_urlNavigatorConnected{nullptr}
  57     , m_searchBox(nullptr)
  58     , m_searchModeEnabled(false)
  59     , m_messageWidget(nullptr)
  60     , m_selectionModeTopBar{nullptr}
  61     , m_view(nullptr)
  62     , m_filterBar(nullptr)
  63     , m_selectionModeBottomBar{nullptr}
  64     , m_statusBar(nullptr)
  65     , m_statusBarTimer(nullptr)
  66     , m_statusBarTimestamp()
  67     , m_autoGrabFocus(true)
  68 #if HAVE_KACTIVITIES
  69     , m_activityResourceInstance(nullptr)
  70 #endif
  71 {
  72     hide();
  73
  74     m_topLayout = new QGridLayout(this);
  75     m_topLayout->setSpacing(0);
  76     m_topLayout->setContentsMargins(0, 0, 0, 0);
  77
  78     m_searchBox = new DolphinSearchBox(this);
  79     m_searchBox->hide();
  80     connect(m_searchBox, &DolphinSearchBox::activated, this, &DolphinViewContainer::activate);
  81     connect(m_searchBox, &DolphinSearchBox::closeRequest, this, &DolphinViewContainer::closeSearchBox);
  82     connect(m_searchBox, &DolphinSearchBox::searchRequest, this, &DolphinViewContainer::startSearching);
  83     connect(m_searchBox, &DolphinSearchBox::focusViewRequest, this, &DolphinViewContainer::requestFocus);
  84     m_searchBox->setWhatsThis(xi18nc("@info:whatsthis findbar",
  85                                      "<para>This helps you find files and folders. Enter a <emphasis>"
  86                                      "search term</emphasis> and specify search settings with the "
  87                                      "buttons at the bottom:<list><item>Filename/Content: "
  88                                      "Does the item you are looking for contain the search terms "
  89                                      "within its filename or its contents?<nl/>The contents of images, "
  90                                      "audio files and videos will not be searched.</item><item>"
  91                                      "From Here/Everywhere: Do you want to search in this "
  92                                      "folder and its sub-folders or everywhere?</item><item>"
  93                                      "More Options: Click this to search by media type, access "
  94                                      "time or rating.</item><item>More Search Tools: Install other "
  95                                      "means to find an item.</item></list></para>"));
  96
  97     m_messageWidget = new KMessageWidget(this);
  98     m_messageWidget->setCloseButtonVisible(true);
  99     m_messageWidget->hide();
 100
 101 #ifndef Q_OS_WIN
 102     if (getuid() == 0) {
 103         // We must be logged in as the root user; show a big scary warning
 104         showMessage(i18n("Running Dolphin as root can be dangerous. Please be careful."), Warning);
 105     }
 106 #endif
 107
 108     // Initialize filter bar
 109     m_filterBar = new FilterBar(this);
 110     m_filterBar->setVisible(GeneralSettings::filterBar());
 111
 112     connect(m_filterBar, &FilterBar::filterChanged, this, &DolphinViewContainer::setNameFilter);
 113     connect(m_filterBar, &FilterBar::closeRequest, this, &DolphinViewContainer::closeFilterBar);
 114     connect(m_filterBar, &FilterBar::focusViewRequest, this, &DolphinViewContainer::requestFocus);
 115
 116     // Initialize the main view
 117     m_view = new DolphinView(url, this);
 118     connect(m_view, &DolphinView::urlChanged, m_filterBar, &FilterBar::clearIfUnlocked);
 119     connect(m_view, &DolphinView::urlChanged, m_messageWidget, &KMessageWidget::hide);
 120     // m_urlNavigator stays in sync with m_view's location changes and
 121     // keeps track of them so going back and forth in the history works.
 122     connect(m_view, &DolphinView::urlChanged, m_urlNavigator.get(), &DolphinUrlNavigator::setLocationUrl);
 123     connect(m_urlNavigator.get(), &DolphinUrlNavigator::urlChanged, this, &DolphinViewContainer::slotUrlNavigatorLocationChanged);
 124     connect(m_urlNavigator.get(), &DolphinUrlNavigator::urlAboutToBeChanged, this, &DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged);
 125     connect(m_urlNavigator.get(), &DolphinUrlNavigator::urlSelectionRequested, this, &DolphinViewContainer::slotUrlSelectionRequested);
 126     connect(m_view, &DolphinView::writeStateChanged, this, &DolphinViewContainer::writeStateChanged);
 127     connect(m_view, &DolphinView::requestItemInfo, this, &DolphinViewContainer::showItemInfo);
 128     connect(m_view, &DolphinView::itemActivated, this, &DolphinViewContainer::slotItemActivated);
 129     connect(m_view, &DolphinView::itemsActivated, this, &DolphinViewContainer::slotItemsActivated);
 130     connect(m_view, &DolphinView::redirection, this, &DolphinViewContainer::redirect);
 131     connect(m_view, &DolphinView::directoryLoadingStarted, this, &DolphinViewContainer::slotDirectoryLoadingStarted);
 132     connect(m_view, &DolphinView::directoryLoadingCompleted, this, &DolphinViewContainer::slotDirectoryLoadingCompleted);
 133     connect(m_view, &DolphinView::directoryLoadingCanceled, this, &DolphinViewContainer::slotDirectoryLoadingCanceled);
 134     connect(m_view, &DolphinView::itemCountChanged, this, &DolphinViewContainer::delayedStatusBarUpdate);
 135     connect(m_view, &DolphinView::directoryLoadingProgress, this, &DolphinViewContainer::updateDirectoryLoadingProgress);
 136     connect(m_view, &DolphinView::directorySortingProgress, this, &DolphinViewContainer::updateDirectorySortingProgress);
 137     connect(m_view, &DolphinView::selectionChanged, this, &DolphinViewContainer::delayedStatusBarUpdate);
 138     connect(m_view, &DolphinView::errorMessage, this, &DolphinViewContainer::showErrorMessage);
 139     connect(m_view, &DolphinView::urlIsFileError, this, &DolphinViewContainer::slotUrlIsFileError);
 140     connect(m_view, &DolphinView::activated, this, &DolphinViewContainer::activate);
 141     connect(m_view, &DolphinView::hiddenFilesShownChanged, this, &DolphinViewContainer::slotHiddenFilesShownChanged);
 142     connect(m_view, &DolphinView::sortHiddenLastChanged, this, &DolphinViewContainer::slotSortHiddenLastChanged);
 143     connect(m_view, &DolphinView::currentDirectoryRemoved, this, &DolphinViewContainer::slotCurrentDirectoryRemoved);
 144
 145     // Initialize status bar
 146     m_statusBar = new DolphinStatusBar(this);
 147     m_statusBar->setUrl(m_view->url());
 148     m_statusBar->setZoomLevel(m_view->zoomLevel());
 149     connect(m_view, &DolphinView::urlChanged, m_statusBar, &DolphinStatusBar::setUrl);
 150     connect(m_view, &DolphinView::zoomLevelChanged, m_statusBar, &DolphinStatusBar::setZoomLevel);
 151     connect(m_view, &DolphinView::infoMessage, m_statusBar, &DolphinStatusBar::setText);
 152     connect(m_view, &DolphinView::operationCompletedMessage, m_statusBar, &DolphinStatusBar::setText);
 153     connect(m_view, &DolphinView::statusBarTextChanged, m_statusBar, &DolphinStatusBar::setDefaultText);
 154     connect(m_view, &DolphinView::statusBarTextChanged, m_statusBar, &DolphinStatusBar::resetToDefaultText);
 155     connect(m_statusBar, &DolphinStatusBar::stopPressed, this, &DolphinViewContainer::stopDirectoryLoading);
 156     connect(m_statusBar, &DolphinStatusBar::zoomLevelChanged, this, &DolphinViewContainer::slotStatusBarZoomLevelChanged);
 157
 158     m_statusBarTimer = new QTimer(this);
 159     m_statusBarTimer->setSingleShot(true);
 160     m_statusBarTimer->setInterval(300);
 161     connect(m_statusBarTimer, &QTimer::timeout, this, &DolphinViewContainer::updateStatusBar);
 162
 163     KIO::FileUndoManager *undoManager = KIO::FileUndoManager::self();
 164     connect(undoManager, &KIO::FileUndoManager::jobRecordingFinished, this, &DolphinViewContainer::delayedStatusBarUpdate);
 165
 166     m_topLayout->addWidget(m_searchBox, positionFor.searchBox, 0);
 167     m_topLayout->addWidget(m_messageWidget, positionFor.messageWidget, 0);
 168     m_topLayout->addWidget(m_view, positionFor.view, 0);
 169     m_topLayout->addWidget(m_filterBar, positionFor.filterBar, 0);
 170     m_topLayout->addWidget(m_statusBar, positionFor.statusBar, 0);
 171
 172     setSearchModeEnabled(isSearchUrl(url));
 173
 174     connect(DetailsModeSettings::self(), &KCoreConfigSkeleton::configChanged, this, [=]() {
 175         if (view()->viewMode() == DolphinView::Mode::DetailsView) {
 176             view()->reload();
 177         }
 178     });
 179
 180     KFilePlacesModel *placesModel = DolphinPlacesModelSingleton::instance().placesModel();
 181     connect(placesModel, &KFilePlacesModel::dataChanged, this, &DolphinViewContainer::slotPlacesModelChanged);
 182     connect(placesModel, &KFilePlacesModel::rowsInserted, this, &DolphinViewContainer::slotPlacesModelChanged);
 183     connect(placesModel, &KFilePlacesModel::rowsRemoved, this, &DolphinViewContainer::slotPlacesModelChanged);
 184
 185     connect(this, &DolphinViewContainer::searchModeEnabledChanged, this, &DolphinViewContainer::captionChanged);
 186
 187     // Initialize kactivities resource instance
 188
 189 #if HAVE_KACTIVITIES
 190     m_activityResourceInstance = new KActivities::ResourceInstance(window()->winId(), url);
 191     m_activityResourceInstance->setParent(this);
 192 #endif
 193 }
 194
 195 DolphinViewContainer::~DolphinViewContainer()
 196 {
 197 }
 198
 199 QUrl DolphinViewContainer::url() const
 200 {
 201     return m_view->url();
 202 }
 203
 204 KFileItem DolphinViewContainer::rootItem() const
 205 {
 206     return m_view->rootItem();
 207 }
 208
 209 void DolphinViewContainer::setActive(bool active)
 210 {
 211     m_searchBox->setActive(active);
 212     if (m_urlNavigatorConnected) {
 213         m_urlNavigatorConnected->setActive(active);
 214     }
 215     m_view->setActive(active);
 216
 217 #if HAVE_KACTIVITIES
 218     if (active) {
 219         m_activityResourceInstance->notifyFocusedIn();
 220     } else {
 221         m_activityResourceInstance->notifyFocusedOut();
 222     }
 223 #endif
 224 }
 225
 226 bool DolphinViewContainer::isActive() const
 227 {
 228     return m_view->isActive();
 229 }
 230
 231 void DolphinViewContainer::setAutoGrabFocus(bool grab)
 232 {
 233     m_autoGrabFocus = grab;
 234 }
 235
 236 bool DolphinViewContainer::autoGrabFocus() const
 237 {
 238     return m_autoGrabFocus;
 239 }
 240
 241 QString DolphinViewContainer::currentSearchText() const
 242 {
 243     return m_searchBox->text();
 244 }
 245
 246 const DolphinStatusBar *DolphinViewContainer::statusBar() const
 247 {
 248     return m_statusBar;
 249 }
 250
 251 DolphinStatusBar *DolphinViewContainer::statusBar()
 252 {
 253     return m_statusBar;
 254 }
 255
 256 const DolphinUrlNavigator *DolphinViewContainer::urlNavigator() const
 257 {
 258     return m_urlNavigatorConnected;
 259 }
 260
 261 DolphinUrlNavigator *DolphinViewContainer::urlNavigator()
 262 {
 263     return m_urlNavigatorConnected;
 264 }
 265
 266 const DolphinUrlNavigator *DolphinViewContainer::urlNavigatorInternalWithHistory() const
 267 {
 268     return m_urlNavigator.get();
 269 }
 270
 271 DolphinUrlNavigator *DolphinViewContainer::urlNavigatorInternalWithHistory()
 272 {
 273     return m_urlNavigator.get();
 274 }
 275
 276 const DolphinView *DolphinViewContainer::view() const
 277 {
 278     return m_view;
 279 }
 280
 281 DolphinView *DolphinViewContainer::view()
 282 {
 283     return m_view;
 284 }
 285
 286 void DolphinViewContainer::connectUrlNavigator(DolphinUrlNavigator *urlNavigator)
 287 {
 288     Q_CHECK_PTR(urlNavigator);
 289     Q_ASSERT(!m_urlNavigatorConnected);
 290     Q_ASSERT(m_urlNavigator.get() != urlNavigator);
 291     Q_CHECK_PTR(m_view);
 292
 293     urlNavigator->setLocationUrl(m_view->url());
 294     urlNavigator->setShowHiddenFolders(m_view->hiddenFilesShown());
 295     urlNavigator->setSortHiddenFoldersLast(m_view->sortHiddenLast());
 296     if (m_urlNavigatorVisualState) {
 297         urlNavigator->setVisualState(*m_urlNavigatorVisualState.get());
 298         m_urlNavigatorVisualState.reset();
 299     }
 300     urlNavigator->setActive(isActive());
 301
 302     // Url changes are still done via m_urlNavigator.
 303     connect(urlNavigator, &DolphinUrlNavigator::urlChanged, m_urlNavigator.get(), &DolphinUrlNavigator::setLocationUrl);
 304     connect(urlNavigator, &DolphinUrlNavigator::urlsDropped, this, [=](const QUrl &destination, QDropEvent *event) {
 305         m_view->dropUrls(destination, event, urlNavigator->dropWidget());
 306     });
 307     // Aside from these, only visual things need to be connected.
 308     connect(m_view, &DolphinView::urlChanged, urlNavigator, &DolphinUrlNavigator::setLocationUrl);
 309     connect(urlNavigator, &DolphinUrlNavigator::activated, this, &DolphinViewContainer::activate);
 310
 311     m_urlNavigatorConnected = urlNavigator;
 312 }
 313
 314 void DolphinViewContainer::disconnectUrlNavigator()
 315 {
 316     if (!m_urlNavigatorConnected) {
 317         return;
 318     }
 319
 320     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlChanged, m_urlNavigator.get(), &DolphinUrlNavigator::setLocationUrl);
 321     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlsDropped, this, nullptr);
 322     disconnect(m_view, &DolphinView::urlChanged, m_urlNavigatorConnected, &DolphinUrlNavigator::setLocationUrl);
 323     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::activated, this, &DolphinViewContainer::activate);
 324
 325     m_urlNavigatorVisualState = m_urlNavigatorConnected->visualState();
 326     m_urlNavigatorConnected = nullptr;
 327 }
 328
 329 void DolphinViewContainer::setSelectionModeEnabled(bool enabled, KActionCollection *actionCollection, SelectionMode::BottomBar::Contents bottomBarContents)
 330 {
 331     const bool wasEnabled = m_view->selectionMode();
 332     m_view->setSelectionModeEnabled(enabled);
 333
 334     if (!enabled) {
 335         if (!wasEnabled) {
 336             return; // nothing to do here
 337         }
 338         Q_CHECK_PTR(m_selectionModeTopBar); // there is no point in disabling selectionMode when it wasn't even enabled once.
 339         Q_CHECK_PTR(m_selectionModeBottomBar);
 340         m_selectionModeTopBar->setVisible(false, WithAnimation);
 341         m_selectionModeBottomBar->setVisible(false, WithAnimation);
 342         Q_EMIT selectionModeChanged(false);
 343         return;
 344     }
 345
 346     if (!m_selectionModeTopBar) {
 347         // Changing the location will disable selection mode.
 348         connect(m_urlNavigator.get(), &DolphinUrlNavigator::urlChanged, this, [this]() {
 349             setSelectionModeEnabled(false);
 350         });
 351
 352         m_selectionModeTopBar = new SelectionMode::TopBar(this); // will be created hidden
 353         connect(m_selectionModeTopBar, &SelectionMode::TopBar::selectionModeLeavingRequested, this, [this]() {
 354             setSelectionModeEnabled(false);
 355         });
 356         m_topLayout->addWidget(m_selectionModeTopBar, positionFor.selectionModeTopBar, 0);
 357     }
 358
 359     if (!m_selectionModeBottomBar) {
 360         m_selectionModeBottomBar = new SelectionMode::BottomBar(actionCollection, this);
 361         connect(m_view, &DolphinView::selectionChanged, this, [this](const KFileItemList &selection) {
 362             m_selectionModeBottomBar->slotSelectionChanged(selection, m_view->url());
 363         });
 364         connect(m_selectionModeBottomBar, &SelectionMode::BottomBar::error, this, [this](const QString &errorMessage) {
 365             showErrorMessage(errorMessage);
 366         });
 367         connect(m_selectionModeBottomBar, &SelectionMode::BottomBar::selectionModeLeavingRequested, this, [this]() {
 368             setSelectionModeEnabled(false);
 369         });
 370         m_topLayout->addWidget(m_selectionModeBottomBar, positionFor.selectionModeBottomBar, 0);
 371     }
 372     m_selectionModeBottomBar->resetContents(bottomBarContents);
 373     if (bottomBarContents == SelectionMode::BottomBar::GeneralContents) {
 374         m_selectionModeBottomBar->slotSelectionChanged(m_view->selectedItems(), m_view->url());
 375     }
 376
 377     if (!wasEnabled) {
 378         m_selectionModeTopBar->setVisible(true, WithAnimation);
 379         m_selectionModeBottomBar->setVisible(true, WithAnimation);
 380         Q_EMIT selectionModeChanged(true);
 381     }
 382 }
 383
 384 bool DolphinViewContainer::isSelectionModeEnabled() const
 385 {
 386     const bool isEnabled = m_view->selectionMode();
 387     Q_ASSERT((!isEnabled
 388               // We can't assert that the bars are invisible only because the selection mode is disabled because the hide animation might still be playing.
 389               && (!m_selectionModeBottomBar || !m_selectionModeBottomBar->isEnabled() || !m_selectionModeBottomBar->isVisible()
 390                   || m_selectionModeBottomBar->contents() == SelectionMode::BottomBar::PasteContents))
 391              || (isEnabled && m_selectionModeTopBar
 392                  && m_selectionModeTopBar->isVisible()
 393                  // The bottom bar is either visible or was hidden because it has nothing to show in GeneralContents mode e.g. because no items are selected.
 394                  && m_selectionModeBottomBar
 395                  && (m_selectionModeBottomBar->isVisible() || m_selectionModeBottomBar->contents() == SelectionMode::BottomBar::GeneralContents)));
 396     return isEnabled;
 397 }
 398
 399 void DolphinViewContainer::slotSplitTabDisabled()
 400 {
 401     if (m_selectionModeBottomBar) {
 402         m_selectionModeBottomBar->slotSplitTabDisabled();
 403     }
 404 }
 405
 406 void DolphinViewContainer::showMessage(const QString &msg, MessageType type)
 407 {
 408     if (msg.isEmpty()) {
 409         return;
 410     }
 411
 412     m_messageWidget->setText(msg);
 413
 414     // TODO: wrap at arbitrary character positions once QLabel can do this
 415     // https://bugreports.qt.io/browse/QTBUG-1276
 416     m_messageWidget->setWordWrap(true);
 417
 418     switch (type) {
 419     case Information:
 420         m_messageWidget->setMessageType(KMessageWidget::Information);
 421         break;
 422     case Warning:
 423         m_messageWidget->setMessageType(KMessageWidget::Warning);
 424         break;
 425     case Error:
 426         m_messageWidget->setMessageType(KMessageWidget::Error);
 427         break;
 428     default:
 429         Q_ASSERT(false);
 430         break;
 431     }
 432
 433     m_messageWidget->setWordWrap(false);
 434     const int unwrappedWidth = m_messageWidget->sizeHint().width();
 435     m_messageWidget->setWordWrap(unwrappedWidth > size().width());
 436
 437     if (m_messageWidget->isVisible()) {
 438         m_messageWidget->hide();
 439     }
 440     m_messageWidget->animatedShow();
 441 }
 442
 443 void DolphinViewContainer::readSettings()
 444 {
 445     // The startup settings should (only) get applied if they have been
 446     // modified by the user. Otherwise keep the (possibly) different current
 447     // setting of the filterbar.
 448     if (GeneralSettings::modifiedStartupSettings()) {
 449         setFilterBarVisible(GeneralSettings::filterBar());
 450     }
 451
 452     m_view->readSettings();
 453     m_statusBar->readSettings();
 454 }
 455
 456 bool DolphinViewContainer::isFilterBarVisible() const
 457 {
 458     return m_filterBar->isVisible();
 459 }
 460
 461 void DolphinViewContainer::setSearchModeEnabled(bool enabled)
 462 {
 463     m_searchBox->setVisible(enabled);
 464
 465     if (enabled) {
 466         const QUrl &locationUrl = m_urlNavigator->locationUrl();
 467         m_searchBox->fromSearchUrl(locationUrl);
 468     }
 469
 470     if (enabled == isSearchModeEnabled()) {
 471         if (enabled && !m_searchBox->hasFocus()) {
 472             m_searchBox->setFocus();
 473             m_searchBox->selectAll();
 474         }
 475         return;
 476     }
 477
 478     if (!enabled) {
 479         m_view->setViewPropertiesContext(QString());
 480
 481         // Restore the URL for the URL navigator. If Dolphin has been
 482         // started with a search-URL, the home URL is used as fallback.
 483         QUrl url = m_searchBox->searchPath();
 484         if (url.isEmpty() || !url.isValid() || isSearchUrl(url)) {
 485             url = Dolphin::homeUrl();
 486         }
 487         m_urlNavigatorConnected->setLocationUrl(url);
 488     }
 489
 490     m_searchModeEnabled = enabled;
 491
 492     Q_EMIT searchModeEnabledChanged(enabled);
 493 }
 494
 495 bool DolphinViewContainer::isSearchModeEnabled() const
 496 {
 497     return m_searchModeEnabled;
 498 }
 499
 500 QString DolphinViewContainer::placesText() const
 501 {
 502     QString text;
 503
 504     if (isSearchModeEnabled()) {
 505         text = i18n("Search for %1 in %2", m_searchBox->text(), m_searchBox->searchPath().fileName());
 506     } else {
 507         text = url().adjusted(QUrl::StripTrailingSlash).fileName();
 508         if (text.isEmpty()) {
 509             text = url().host();
 510         }
 511         if (text.isEmpty()) {
 512             text = url().scheme();
 513         }
 514     }
 515
 516     return text;
 517 }
 518
 519 void DolphinViewContainer::reload()
 520 {
 521     view()->reload();
 522     m_messageWidget->hide();
 523 }
 524
 525 QString DolphinViewContainer::captionWindowTitle() const
 526 {
 527     if (GeneralSettings::showFullPathInTitlebar() && !isSearchModeEnabled()) {
 528         if (!url().isLocalFile()) {
 529             return url().adjusted(QUrl::StripTrailingSlash).toString();
 530         }
 531         return url().adjusted(QUrl::StripTrailingSlash).path();
 532     } else {
 533         return DolphinViewContainer::caption();
 534     }
 535 }
 536
 537 QString DolphinViewContainer::caption() const
 538 {
 539     if (isSearchModeEnabled()) {
 540         if (currentSearchText().isEmpty()) {
 541             return i18n("Search");
 542         } else {
 543             return i18n("Search for %1", currentSearchText());
 544         }
 545     }
 546
 547     KFilePlacesModel *placesModel = DolphinPlacesModelSingleton::instance().placesModel();
 548     const QString pattern = url().adjusted(QUrl::StripTrailingSlash).toString(QUrl::FullyEncoded).append("/?");
 549     const auto &matchedPlaces =
 550         placesModel->match(placesModel->index(0, 0), KFilePlacesModel::UrlRole, QRegularExpression::anchoredPattern(pattern), 1, Qt::MatchRegularExpression);
 551
 552     if (!matchedPlaces.isEmpty()) {
 553         return placesModel->text(matchedPlaces.first());
 554     }
 555
 556     if (!url().isLocalFile()) {
 557         QUrl adjustedUrl = url().adjusted(QUrl::StripTrailingSlash);
 558         QString caption;
 559         if (!adjustedUrl.fileName().isEmpty()) {
 560             caption = adjustedUrl.fileName();
 561         } else if (!adjustedUrl.path().isEmpty() && adjustedUrl.path() != "/") {
 562             caption = adjustedUrl.path();
 563         } else if (!adjustedUrl.host().isEmpty()) {
 564             caption = adjustedUrl.host();
 565         } else {
 566             caption = adjustedUrl.toString();
 567         }
 568         return caption;
 569     }
 570
 571     QString fileName = url().adjusted(QUrl::StripTrailingSlash).fileName();
 572     if (fileName.isEmpty()) {
 573         fileName = '/';
 574     }
 575
 576     return fileName;
 577 }
 578
 579 void DolphinViewContainer::setUrl(const QUrl &newUrl)
 580 {
 581     if (newUrl != m_urlNavigator->locationUrl()) {
 582         m_urlNavigator->setLocationUrl(newUrl);
 583     }
 584
 585 #if HAVE_KACTIVITIES
 586     m_activityResourceInstance->setUri(newUrl);
 587 #endif
 588 }
 589
 590 void DolphinViewContainer::setFilterBarVisible(bool visible)
 591 {
 592     Q_ASSERT(m_filterBar);
 593     if (visible) {
 594         m_view->hideToolTip(ToolTipManager::HideBehavior::Instantly);
 595         m_filterBar->show();
 596         m_filterBar->setFocus();
 597         m_filterBar->selectAll();
 598     } else {
 599         closeFilterBar();
 600     }
 601 }
 602
 603 void DolphinViewContainer::delayedStatusBarUpdate()
 604 {
 605     if (m_statusBarTimer->isActive() && (m_statusBarTimestamp.elapsed() > 2000)) {
 606         // No update of the statusbar has been done during the last 2 seconds,
 607         // although an update has been requested. Trigger an immediate update.
 608         m_statusBarTimer->stop();
 609         updateStatusBar();
 610     } else {
 611         // Invoke updateStatusBar() with a small delay. This assures that
 612         // when a lot of delayedStatusBarUpdates() are done in a short time,
 613         // no bottleneck is given.
 614         m_statusBarTimer->start();
 615     }
 616 }
 617
 618 void DolphinViewContainer::updateStatusBar()
 619 {
 620     m_statusBarTimestamp.start();
 621     m_view->requestStatusBarText();
 622 }
 623
 624 void DolphinViewContainer::updateDirectoryLoadingProgress(int percent)
 625 {
 626     if (m_statusBar->progressText().isEmpty()) {
 627         m_statusBar->setProgressText(i18nc("@info:progress", "Loading folder..."));
 628     }
 629     m_statusBar->setProgress(percent);
 630 }
 631
 632 void DolphinViewContainer::updateDirectorySortingProgress(int percent)
 633 {
 634     if (m_statusBar->progressText().isEmpty()) {
 635         m_statusBar->setProgressText(i18nc("@info:progress", "Sorting..."));
 636     }
 637     m_statusBar->setProgress(percent);
 638 }
 639
 640 void DolphinViewContainer::slotDirectoryLoadingStarted()
 641 {
 642     if (isSearchUrl(url())) {
 643         // Search KIO-slaves usually don't provide any progress information. Give
 644         // a hint to the user that a searching is done:
 645         updateStatusBar();
 646         m_statusBar->setProgressText(i18nc("@info", "Searching..."));
 647         m_statusBar->setProgress(-1);
 648     } else {
 649         // Trigger an undetermined progress indication. The progress
 650         // information in percent will be triggered by the percent() signal
 651         // of the directory lister later.
 652         m_statusBar->setProgressText(QString());
 653         updateDirectoryLoadingProgress(-1);
 654     }
 655 }
 656
 657 void DolphinViewContainer::slotDirectoryLoadingCompleted()
 658 {
 659     if (!m_statusBar->progressText().isEmpty()) {
 660         m_statusBar->setProgressText(QString());
 661         m_statusBar->setProgress(100);
 662     }
 663
 664     if (isSearchUrl(url()) && m_view->itemsCount() == 0) {
 665         // The dir lister has been completed on a Baloo-URI and no items have been found. Instead
 666         // of showing the default status bar information ("0 items") a more helpful information is given:
 667         m_statusBar->setText(i18nc("@info:status", "No items found."));
 668     } else {
 669         updateStatusBar();
 670     }
 671 }
 672
 673 void DolphinViewContainer::slotDirectoryLoadingCanceled()
 674 {
 675     if (!m_statusBar->progressText().isEmpty()) {
 676         m_statusBar->setProgressText(QString());
 677         m_statusBar->setProgress(100);
 678     }
 679
 680     m_statusBar->setText(QString());
 681 }
 682
 683 void DolphinViewContainer::slotUrlIsFileError(const QUrl &url)
 684 {
 685     const KFileItem item(url);
 686
 687     // Find out if the file can be opened in the view (for example, this is the
 688     // case if the file is an archive). The mime type must be known for that.
 689     item.determineMimeType();
 690     const QUrl &folderUrl = DolphinView::openItemAsFolderUrl(item, true);
 691     if (!folderUrl.isEmpty()) {
 692         setUrl(folderUrl);
 693     } else {
 694         slotItemActivated(item);
 695     }
 696 }
 697
 698 void DolphinViewContainer::slotItemActivated(const KFileItem &item)
 699 {
 700     // It is possible to activate items on inactive views by
 701     // drag & drop operations. Assure that activating an item always
 702     // results in an active view.
 703     m_view->setActive(true);
 704
 705     const QUrl &url = DolphinView::openItemAsFolderUrl(item, GeneralSettings::browseThroughArchives());
 706     if (!url.isEmpty()) {
 707         const auto modifiers = QGuiApplication::keyboardModifiers();
 708         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
 709         if (modifiers & Qt::ControlModifier && modifiers & Qt::ShiftModifier) {
 710             Q_EMIT activeTabRequested(url);
 711         } else if (modifiers & Qt::ControlModifier) {
 712             Q_EMIT tabRequested(url);
 713         } else if (modifiers & Qt::ShiftModifier) {
 714             Dolphin::openNewWindow({KFilePlacesModel::convertedUrl(url)}, this);
 715         } else {
 716             setUrl(url);
 717         }
 718         return;
 719     }
 720
 721     KIO::OpenUrlJob *job = new KIO::OpenUrlJob(item.targetUrl(), item.mimetype());
 722     job->setUiDelegate(KIO::createDefaultJobUiDelegate(KJobUiDelegate::AutoHandlingEnabled, this));
 723     job->setShowOpenOrExecuteDialog(true);
 724     connect(job, &KIO::OpenUrlJob::finished, this, &DolphinViewContainer::slotOpenUrlFinished);
 725     job->start();
 726 }
 727
 728 void DolphinViewContainer::slotItemsActivated(const KFileItemList &items)
 729 {
 730     Q_ASSERT(items.count() >= 2);
 731
 732     KFileItemActions fileItemActions(this);
 733     fileItemActions.runPreferredApplications(items);
 734 }
 735
 736 void DolphinViewContainer::showItemInfo(const KFileItem &item)
 737 {
 738     if (item.isNull()) {
 739         m_statusBar->resetToDefaultText();
 740     } else {
 741         m_statusBar->setText(item.getStatusBarInfo());
 742     }
 743 }
 744
 745 void DolphinViewContainer::closeFilterBar()
 746 {
 747     m_filterBar->closeFilterBar();
 748     m_view->setFocus();
 749     Q_EMIT showFilterBarChanged(false);
 750 }
 751
 752 void DolphinViewContainer::clearFilterBar()
 753 {
 754     m_filterBar->clearIfUnlocked();
 755 }
 756
 757 void DolphinViewContainer::setNameFilter(const QString &nameFilter)
 758 {
 759     m_view->hideToolTip(ToolTipManager::HideBehavior::Instantly);
 760     m_view->setNameFilter(nameFilter);
 761     delayedStatusBarUpdate();
 762 }
 763
 764 void DolphinViewContainer::activate()
 765 {
 766     setActive(true);
 767 }
 768
 769 void DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged(const QUrl &)
 770 {
 771     saveViewState();
 772 }
 773
 774 void DolphinViewContainer::slotUrlNavigatorLocationChanged(const QUrl &url)
 775 {
 776     if (m_urlNavigatorConnected) {
 777         m_urlNavigatorConnected->slotReturnPressed();
 778     }
 779
 780     if (KProtocolManager::supportsListing(url)) {
 781         setSearchModeEnabled(isSearchUrl(url));
 782         m_view->setUrl(url);
 783         tryRestoreViewState();
 784
 785         if (m_autoGrabFocus && isActive() && !isSearchUrl(url)) {
 786             // When an URL has been entered, the view should get the focus.
 787             // The focus must be requested asynchronously, as changing the URL might create
 788             // a new view widget.
 789             QTimer::singleShot(0, this, &DolphinViewContainer::requestFocus);
 790         }
 791     } else if (KProtocolManager::isSourceProtocol(url)) {
 792         if (url.scheme().startsWith(QLatin1String("http"))) {
 793             showMessage(i18nc("@info:status", // krazy:exclude=qmethods
 794                               "Dolphin does not support web pages, the web browser has been launched"),
 795                         Information);
 796         } else {
 797             showMessage(i18nc("@info:status", "Protocol not supported by Dolphin, default application has been launched"), Information);
 798         }
 799
 800         QDesktopServices::openUrl(url);
 801         redirect(QUrl(), m_urlNavigator->locationUrl(1));
 802     } else {
 803         showMessage(i18nc("@info:status", "Invalid protocol"), Error);
 804         m_urlNavigator->goBack();
 805     }
 806 }
 807
 808 void DolphinViewContainer::slotUrlSelectionRequested(const QUrl &url)
 809 {
 810     m_view->markUrlsAsSelected({url});
 811     m_view->markUrlAsCurrent(url); // makes the item scroll into view
 812 }
 813
 814 void DolphinViewContainer::disableUrlNavigatorSelectionRequests()
 815 {
 816     disconnect(m_urlNavigator.get(), &KUrlNavigator::urlSelectionRequested, this, &DolphinViewContainer::slotUrlSelectionRequested);
 817 }
 818
 819 void DolphinViewContainer::enableUrlNavigatorSelectionRequests()
 820 {
 821     connect(m_urlNavigator.get(), &KUrlNavigator::urlSelectionRequested, this, &DolphinViewContainer::slotUrlSelectionRequested);
 822 }
 823
 824 void DolphinViewContainer::redirect(const QUrl &oldUrl, const QUrl &newUrl)
 825 {
 826     Q_UNUSED(oldUrl)
 827     const bool block = m_urlNavigator->signalsBlocked();
 828     m_urlNavigator->blockSignals(true);
 829
 830     // Assure that the location state is reset for redirection URLs. This
 831     // allows to skip redirection URLs when going back or forward in the
 832     // URL history.
 833     m_urlNavigator->saveLocationState(QByteArray());
 834     m_urlNavigator->setLocationUrl(newUrl);
 835     setSearchModeEnabled(isSearchUrl(newUrl));
 836
 837     m_urlNavigator->blockSignals(block);
 838 }
 839
 840 void DolphinViewContainer::requestFocus()
 841 {
 842     m_view->setFocus();
 843 }
 844
 845 void DolphinViewContainer::startSearching()
 846 {
 847     Q_CHECK_PTR(m_urlNavigatorConnected);
 848     const QUrl url = m_searchBox->urlForSearching();
 849     if (url.isValid() && !url.isEmpty()) {
 850         m_view->setViewPropertiesContext(QStringLiteral("search"));
 851         m_urlNavigatorConnected->setLocationUrl(url);
 852     }
 853 }
 854
 855 void DolphinViewContainer::closeSearchBox()
 856 {
 857     setSearchModeEnabled(false);
 858 }
 859
 860 void DolphinViewContainer::stopDirectoryLoading()
 861 {
 862     m_view->stopLoading();
 863     m_statusBar->setProgress(100);
 864 }
 865
 866 void DolphinViewContainer::slotStatusBarZoomLevelChanged(int zoomLevel)
 867 {
 868     m_view->setZoomLevel(zoomLevel);
 869 }
 870
 871 void DolphinViewContainer::showErrorMessage(const QString &msg)
 872 {
 873     showMessage(msg, Error);
 874 }
 875
 876 void DolphinViewContainer::slotPlacesModelChanged()
 877 {
 878     if (!GeneralSettings::showFullPathInTitlebar() && !isSearchModeEnabled()) {
 879         Q_EMIT captionChanged();
 880     }
 881 }
 882
 883 void DolphinViewContainer::slotHiddenFilesShownChanged(bool showHiddenFiles)
 884 {
 885     if (m_urlNavigatorConnected) {
 886         m_urlNavigatorConnected->setShowHiddenFolders(showHiddenFiles);
 887     }
 888 }
 889
 890 void DolphinViewContainer::slotSortHiddenLastChanged(bool hiddenLast)
 891 {
 892     if (m_urlNavigatorConnected) {
 893         m_urlNavigatorConnected->setSortHiddenFoldersLast(hiddenLast);
 894     }
 895 }
 896
 897 void DolphinViewContainer::slotCurrentDirectoryRemoved()
 898 {
 899     const QString location(url().toDisplayString(QUrl::PreferLocalFile));
 900     if (url().isLocalFile()) {
 901         const QString dirPath = url().toLocalFile();
 902         const QString newPath = getNearestExistingAncestorOfPath(dirPath);
 903         const QUrl newUrl = QUrl::fromLocalFile(newPath);
 904         setUrl(newUrl);
 905     }
 906
 907     showMessage(xi18n("Current location changed, <filename>%1</filename> is no longer accessible.", location), Warning);
 908 }
 909
 910 void DolphinViewContainer::slotOpenUrlFinished(KJob *job)
 911 {
 912     if (job->error() && job->error() != KIO::ERR_USER_CANCELED) {
 913         showErrorMessage(job->errorString());
 914     }
 915 }
 916
 917 bool DolphinViewContainer::isSearchUrl(const QUrl &url) const
 918 {
 919     return url.scheme().contains(QLatin1String("search"));
 920 }
 921
 922 void DolphinViewContainer::saveViewState()
 923 {
 924     QByteArray locationState;
 925     QDataStream stream(&locationState, QIODevice::WriteOnly);
 926     m_view->saveState(stream);
 927     m_urlNavigator->saveLocationState(locationState);
 928 }
 929
 930 void DolphinViewContainer::tryRestoreViewState()
 931 {
 932     QByteArray locationState = m_urlNavigator->locationState();
 933     if (!locationState.isEmpty()) {
 934         QDataStream stream(&locationState, QIODevice::ReadOnly);
 935         m_view->restoreState(stream);
 936     }
 937 }
 938
 939 QString DolphinViewContainer::getNearestExistingAncestorOfPath(const QString &path) const
 940 {
 941     QDir dir(path);
 942     do {
 943         dir.setPath(QDir::cleanPath(dir.filePath(QStringLiteral(".."))));
 944     } while (!dir.exists() && !dir.isRoot());
 945
 946     return dir.exists() ? dir.path() : QString{};
 947 }