src/dolphinviewcontainer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Peter Penz <peter.penz19@gmail.com>             *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "dolphinviewcontainer.h"
  21
  22 #include "dolphin_generalsettings.h"
  23 #include "dolphinplacesmodelsingleton.h"
  24 #include "dolphindebug.h"
  25 #include "filterbar/filterbar.h"
  26 #include "global.h"
  27 #include "search/dolphinsearchbox.h"
  28 #include "statusbar/dolphinstatusbar.h"
  29 #include "trash/dolphintrash.h"
  30 #include "views/viewmodecontroller.h"
  31 #include "views/viewproperties.h"
  32
  33 #include <KFileItemActions>
  34 #include <KIO/PreviewJob>
  35 #include <KLocalizedString>
  36 #include <KMessageWidget>
  37 #include <KProtocolManager>
  38 #include <KRun>
  39 #include <KShell>
  40 #include <KUrlComboBox>
  41 #include <KUrlNavigator>
  42 #include <kio_version.h>
  43
  44 #include <QDropEvent>
  45 #include <QLoggingCategory>
  46 #include <QMimeData>
  47 #include <QTimer>
  48 #include <QUrl>
  49 #include <QVBoxLayout>
  50
  51 DolphinViewContainer::DolphinViewContainer(const QUrl& url, QWidget* parent) :
  52     QWidget(parent),
  53     m_topLayout(nullptr),
  54     m_navigatorWidget(nullptr),
  55     m_urlNavigator(nullptr),
  56     m_emptyTrashButton(nullptr),
  57     m_searchBox(nullptr),
  58     m_messageWidget(nullptr),
  59     m_view(nullptr),
  60     m_filterBar(nullptr),
  61     m_statusBar(nullptr),
  62     m_statusBarTimer(nullptr),
  63     m_statusBarTimestamp(),
  64     m_autoGrabFocus(true)
  65 #ifdef KActivities_FOUND
  66     , m_activityResourceInstance(0)
  67 #endif
  68 {
  69     hide();
  70
  71     m_topLayout = new QVBoxLayout(this);
  72     m_topLayout->setSpacing(0);
  73     m_topLayout->setMargin(0);
  74
  75     m_navigatorWidget = new QWidget(this);
  76     QHBoxLayout* navigatorLayout = new QHBoxLayout(m_navigatorWidget);
  77     navigatorLayout->setSpacing(0);
  78     navigatorLayout->setMargin(0);
  79
  80     m_urlNavigator = new KUrlNavigator(DolphinPlacesModelSingleton::instance().placesModel(), url, this);
  81     connect(m_urlNavigator, &KUrlNavigator::activated,
  82             this, &DolphinViewContainer::activate);
  83     connect(m_urlNavigator->editor(), &KUrlComboBox::completionModeChanged,
  84             this, &DolphinViewContainer::saveUrlCompletionMode);
  85
  86     const GeneralSettings* settings = GeneralSettings::self();
  87     m_urlNavigator->setUrlEditable(settings->editableUrl());
  88     m_urlNavigator->setShowFullPath(settings->showFullPath());
  89     m_urlNavigator->setHomeUrl(Dolphin::homeUrl());
  90     KUrlComboBox* editor = m_urlNavigator->editor();
  91     editor->setCompletionMode(KCompletion::CompletionMode(settings->urlCompletionMode()));
  92
  93     m_emptyTrashButton = new QPushButton(QIcon::fromTheme(QStringLiteral("user-trash")), i18nc("@action:button", "Empty Trash"), this);
  94     m_emptyTrashButton->setFlat(true);
  95     connect(m_emptyTrashButton, &QPushButton::clicked, this, [this]() { Trash::empty(this); });
  96     connect(&Trash::instance(), &Trash::emptinessChanged, m_emptyTrashButton, &QPushButton::setDisabled);
  97     m_emptyTrashButton->setDisabled(Trash::isEmpty());
  98     m_emptyTrashButton->hide();
  99
 100     m_searchBox = new DolphinSearchBox(this);
 101     m_searchBox->hide();
 102     connect(m_searchBox, &DolphinSearchBox::activated, this, &DolphinViewContainer::activate);
 103     connect(m_searchBox, &DolphinSearchBox::closeRequest, this, &DolphinViewContainer::closeSearchBox);
 104     connect(m_searchBox, &DolphinSearchBox::searchRequest, this, &DolphinViewContainer::startSearching);
 105     connect(m_searchBox, &DolphinSearchBox::returnPressed, this, &DolphinViewContainer::requestFocus);
 106
 107     m_messageWidget = new KMessageWidget(this);
 108     m_messageWidget->setCloseButtonVisible(true);
 109     m_messageWidget->hide();
 110
 111 #ifndef Q_OS_WIN
 112     if (getuid() == 0) {
 113
 114         // We must be logged in as the root user; show a big scary warning
 115         showMessage(i18n("Running Dolphin as root can be dangerous. Please be careful."), Warning);
 116     }
 117 #endif
 118
 119     m_view = new DolphinView(url, this);
 120     connect(m_view, &DolphinView::urlChanged,
 121             m_urlNavigator, &KUrlNavigator::setLocationUrl);
 122     connect(m_view, &DolphinView::urlChanged,
 123             m_messageWidget, &KMessageWidget::hide);
 124     connect(m_view, &DolphinView::writeStateChanged,
 125             this, &DolphinViewContainer::writeStateChanged);
 126     connect(m_view, &DolphinView::requestItemInfo,
 127             this, &DolphinViewContainer::showItemInfo);
 128     connect(m_view, &DolphinView::itemActivated,
 129             this, &DolphinViewContainer::slotItemActivated);
 130     connect(m_view, &DolphinView::itemsActivated,
 131             this, &DolphinViewContainer::slotItemsActivated);
 132     connect(m_view, &DolphinView::redirection,
 133             this, &DolphinViewContainer::redirect);
 134     connect(m_view, &DolphinView::directoryLoadingStarted,
 135             this, &DolphinViewContainer::slotDirectoryLoadingStarted);
 136     connect(m_view, &DolphinView::directoryLoadingCompleted,
 137             this, &DolphinViewContainer::slotDirectoryLoadingCompleted);
 138     connect(m_view, &DolphinView::directoryLoadingCanceled,
 139             this, &DolphinViewContainer::slotDirectoryLoadingCanceled);
 140     connect(m_view, &DolphinView::itemCountChanged,
 141             this, &DolphinViewContainer::delayedStatusBarUpdate);
 142     connect(m_view, &DolphinView::directoryLoadingProgress,
 143             this, &DolphinViewContainer::updateDirectoryLoadingProgress);
 144     connect(m_view, &DolphinView::directorySortingProgress,
 145             this, &DolphinViewContainer::updateDirectorySortingProgress);
 146     connect(m_view, &DolphinView::selectionChanged,
 147             this, &DolphinViewContainer::delayedStatusBarUpdate);
 148     connect(m_view, &DolphinView::errorMessage,
 149             this, &DolphinViewContainer::showErrorMessage);
 150     connect(m_view, &DolphinView::urlIsFileError,
 151             this, &DolphinViewContainer::slotUrlIsFileError);
 152     connect(m_view, &DolphinView::activated,
 153             this, &DolphinViewContainer::activate);
 154
 155     connect(m_urlNavigator, &KUrlNavigator::urlAboutToBeChanged,
 156             this, &DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged);
 157     connect(m_urlNavigator, &KUrlNavigator::urlChanged,
 158             this, &DolphinViewContainer::slotUrlNavigatorLocationChanged);
 159     connect(m_urlNavigator, &KUrlNavigator::urlSelectionRequested,
 160             this, &DolphinViewContainer::slotUrlSelectionRequested);
 161     connect(m_urlNavigator, &KUrlNavigator::returnPressed,
 162             this, &DolphinViewContainer::slotReturnPressed);
 163     connect(m_urlNavigator, &KUrlNavigator::urlsDropped, this, [=](const QUrl &destination, QDropEvent *event) {
 164 #if KIO_VERSION >= QT_VERSION_CHECK(5, 37, 0)
 165         m_view->dropUrls(destination, event, m_urlNavigator->dropWidget());
 166 #else
 167         // TODO: remove as soon as we can hard-depend of KF5 >= 5.37
 168         m_view->dropUrls(destination, event, m_view);
 169 #endif
 170     });
 171
 172     connect(m_view, &DolphinView::directoryLoadingCompleted, this, [this]() {
 173         m_emptyTrashButton->setVisible(m_view->url().scheme() == QLatin1String("trash"));
 174     });
 175
 176     // Initialize status bar
 177     m_statusBar = new DolphinStatusBar(this);
 178     m_statusBar->setUrl(m_view->url());
 179     m_statusBar->setZoomLevel(m_view->zoomLevel());
 180     connect(m_view, &DolphinView::urlChanged,
 181             m_statusBar, &DolphinStatusBar::setUrl);
 182     connect(m_view, &DolphinView::zoomLevelChanged,
 183             m_statusBar, &DolphinStatusBar::setZoomLevel);
 184     connect(m_view, &DolphinView::infoMessage,
 185             m_statusBar, &DolphinStatusBar::setText);
 186     connect(m_view, &DolphinView::operationCompletedMessage,
 187             m_statusBar, &DolphinStatusBar::setText);
 188     connect(m_statusBar, &DolphinStatusBar::stopPressed,
 189             this, &DolphinViewContainer::stopDirectoryLoading);
 190     connect(m_statusBar, &DolphinStatusBar::zoomLevelChanged,
 191             this, &DolphinViewContainer::slotStatusBarZoomLevelChanged);
 192
 193     m_statusBarTimer = new QTimer(this);
 194     m_statusBarTimer->setSingleShot(true);
 195     m_statusBarTimer->setInterval(300);
 196     connect(m_statusBarTimer, &QTimer::timeout, this, &DolphinViewContainer::updateStatusBar);
 197
 198     KIO::FileUndoManager* undoManager = KIO::FileUndoManager::self();
 199     connect(undoManager, &KIO::FileUndoManager::jobRecordingFinished,
 200             this, &DolphinViewContainer::delayedStatusBarUpdate);
 201
 202     // Initialize filter bar
 203     m_filterBar = new FilterBar(this);
 204     m_filterBar->setVisible(settings->filterBar());
 205     connect(m_filterBar, &FilterBar::filterChanged,
 206             this, &DolphinViewContainer::setNameFilter);
 207     connect(m_filterBar, &FilterBar::closeRequest,
 208             this, &DolphinViewContainer::closeFilterBar);
 209     connect(m_filterBar, &FilterBar::focusViewRequest,
 210             this, &DolphinViewContainer::requestFocus);
 211     connect(m_view, &DolphinView::urlChanged,
 212             m_filterBar, &FilterBar::slotUrlChanged);
 213
 214     navigatorLayout->addWidget(m_urlNavigator);
 215     navigatorLayout->addWidget(m_emptyTrashButton);
 216
 217     m_topLayout->addWidget(m_navigatorWidget);
 218     m_topLayout->addWidget(m_searchBox);
 219     m_topLayout->addWidget(m_messageWidget);
 220     m_topLayout->addWidget(m_view);
 221     m_topLayout->addWidget(m_filterBar);
 222     m_topLayout->addWidget(m_statusBar);
 223
 224     setSearchModeEnabled(isSearchUrl(url));
 225
 226     // Initialize kactivities resource instance
 227
 228     #ifdef KActivities_FOUND
 229     m_activityResourceInstance = new KActivities::ResourceInstance(
 230             window()->winId(), url);
 231     m_activityResourceInstance->setParent(this);
 232     #endif
 233 }
 234
 235 DolphinViewContainer::~DolphinViewContainer()
 236 {
 237 }
 238
 239 QUrl DolphinViewContainer::url() const
 240 {
 241     return m_view->url();
 242 }
 243
 244 void DolphinViewContainer::setActive(bool active)
 245 {
 246     m_searchBox->setActive(active);
 247     m_urlNavigator->setActive(active);
 248     m_view->setActive(active);
 249
 250     #ifdef KActivities_FOUND
 251     if (active) {
 252         m_activityResourceInstance->notifyFocusedIn();
 253     } else {
 254         m_activityResourceInstance->notifyFocusedOut();
 255     }
 256     #endif
 257 }
 258
 259 bool DolphinViewContainer::isActive() const
 260 {
 261     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 262     return m_view->isActive();
 263 }
 264
 265 void DolphinViewContainer::setAutoGrabFocus(bool grab)
 266 {
 267     m_autoGrabFocus = grab;
 268 }
 269
 270 bool DolphinViewContainer::autoGrabFocus() const
 271 {
 272     return m_autoGrabFocus;
 273 }
 274
 275 QString DolphinViewContainer::currentSearchText() const
 276 {
 277      return m_searchBox->text();
 278 }
 279
 280 const DolphinStatusBar* DolphinViewContainer::statusBar() const
 281 {
 282     return m_statusBar;
 283 }
 284
 285 DolphinStatusBar* DolphinViewContainer::statusBar()
 286 {
 287     return m_statusBar;
 288 }
 289
 290 const KUrlNavigator* DolphinViewContainer::urlNavigator() const
 291 {
 292     return m_urlNavigator;
 293 }
 294
 295 KUrlNavigator* DolphinViewContainer::urlNavigator()
 296 {
 297     return m_urlNavigator;
 298 }
 299
 300 const DolphinView* DolphinViewContainer::view() const
 301 {
 302     return m_view;
 303 }
 304
 305 DolphinView* DolphinViewContainer::view()
 306 {
 307     return m_view;
 308 }
 309
 310 void DolphinViewContainer::showMessage(const QString& msg, MessageType type)
 311 {
 312     if (msg.isEmpty()) {
 313         return;
 314     }
 315
 316     m_messageWidget->setText(msg);
 317
 318     switch (type) {
 319     case Information: m_messageWidget->setMessageType(KMessageWidget::Information); break;
 320     case Warning:     m_messageWidget->setMessageType(KMessageWidget::Warning); break;
 321     case Error:       m_messageWidget->setMessageType(KMessageWidget::Error); break;
 322     default:
 323         Q_ASSERT(false);
 324         break;
 325     }
 326
 327     m_messageWidget->setWordWrap(false);
 328     const int unwrappedWidth = m_messageWidget->sizeHint().width();
 329     m_messageWidget->setWordWrap(unwrappedWidth > size().width());
 330
 331     if (m_messageWidget->isVisible()) {
 332         m_messageWidget->hide();
 333     }
 334     m_messageWidget->animatedShow();
 335 }
 336
 337 void DolphinViewContainer::readSettings()
 338 {
 339     if (GeneralSettings::modifiedStartupSettings()) {
 340         // The startup settings should only get applied if they have been
 341         // modified by the user. Otherwise keep the (possibly) different current
 342         // settings of the URL navigator and the filterbar.
 343         m_urlNavigator->setUrlEditable(GeneralSettings::editableUrl());
 344         m_urlNavigator->setShowFullPath(GeneralSettings::showFullPath());
 345         m_urlNavigator->setHomeUrl(Dolphin::homeUrl());
 346         setFilterBarVisible(GeneralSettings::filterBar());
 347     }
 348
 349     m_view->readSettings();
 350     m_statusBar->readSettings();
 351 }
 352
 353 bool DolphinViewContainer::isFilterBarVisible() const
 354 {
 355     return m_filterBar->isVisible();
 356 }
 357
 358 void DolphinViewContainer::setSearchModeEnabled(bool enabled)
 359 {
 360     if (enabled == isSearchModeEnabled()) {
 361         if (enabled && !m_searchBox->hasFocus()) {
 362             m_searchBox->setFocus();
 363             m_searchBox->selectAll();
 364         }
 365         return;
 366     }
 367
 368     m_searchBox->setVisible(enabled);
 369     m_navigatorWidget->setVisible(!enabled);
 370
 371     if (enabled) {
 372         const QUrl& locationUrl = m_urlNavigator->locationUrl();
 373         m_searchBox->fromSearchUrl(locationUrl);
 374     } else {
 375         m_view->setViewPropertiesContext(QString());
 376
 377         // Restore the URL for the URL navigator. If Dolphin has been
 378         // started with a search-URL, the home URL is used as fallback.
 379         QUrl url = m_searchBox->searchPath();
 380         if (url.isEmpty() || !url.isValid() || isSearchUrl(url)) {
 381             url = Dolphin::homeUrl();
 382         }
 383         m_urlNavigator->setLocationUrl(url);
 384     }
 385 }
 386
 387 bool DolphinViewContainer::isSearchModeEnabled() const
 388 {
 389     return m_searchBox->isVisible();
 390 }
 391
 392 QString DolphinViewContainer::placesText() const
 393 {
 394     QString text;
 395
 396     if (isSearchModeEnabled()) {
 397         text = i18n("Search for %1 in %2", m_searchBox->text(), m_searchBox->searchPath().fileName());
 398     } else {
 399         text = url().fileName();
 400         if (text.isEmpty()) {
 401             text = url().host();
 402         }
 403         if (text.isEmpty()) {
 404             text = url().scheme();
 405         }
 406     }
 407
 408     return text;
 409 }
 410
 411 void DolphinViewContainer::reload()
 412 {
 413     view()->reload();
 414     m_messageWidget->hide();
 415 }
 416
 417 void DolphinViewContainer::setUrl(const QUrl& newUrl)
 418 {
 419     if (newUrl != m_urlNavigator->locationUrl()) {
 420         m_urlNavigator->setLocationUrl(newUrl);
 421     }
 422
 423     #ifdef KActivities_FOUND
 424     m_activityResourceInstance->setUri(newUrl);
 425     #endif
 426 }
 427
 428 void DolphinViewContainer::setFilterBarVisible(bool visible)
 429 {
 430     Q_ASSERT(m_filterBar);
 431     if (visible) {
 432         m_filterBar->show();
 433         m_filterBar->setFocus();
 434         m_filterBar->selectAll();
 435     } else {
 436         closeFilterBar();
 437     }
 438 }
 439
 440 void DolphinViewContainer::delayedStatusBarUpdate()
 441 {
 442     if (m_statusBarTimer->isActive() && (m_statusBarTimestamp.elapsed() > 2000)) {
 443         // No update of the statusbar has been done during the last 2 seconds,
 444         // although an update has been requested. Trigger an immediate update.
 445         m_statusBarTimer->stop();
 446         updateStatusBar();
 447     } else {
 448         // Invoke updateStatusBar() with a small delay. This assures that
 449         // when a lot of delayedStatusBarUpdates() are done in a short time,
 450         // no bottleneck is given.
 451         m_statusBarTimer->start();
 452     }
 453 }
 454
 455 void DolphinViewContainer::updateStatusBar()
 456 {
 457     m_statusBarTimestamp.start();
 458
 459     const QString text = m_view->statusBarText();
 460     m_statusBar->setDefaultText(text);
 461     m_statusBar->resetToDefaultText();
 462 }
 463
 464 void DolphinViewContainer::updateDirectoryLoadingProgress(int percent)
 465 {
 466     if (m_statusBar->progressText().isEmpty()) {
 467         m_statusBar->setProgressText(i18nc("@info:progress", "Loading folder..."));
 468     }
 469     m_statusBar->setProgress(percent);
 470 }
 471
 472 void DolphinViewContainer::updateDirectorySortingProgress(int percent)
 473 {
 474     if (m_statusBar->progressText().isEmpty()) {
 475         m_statusBar->setProgressText(i18nc("@info:progress", "Sorting..."));
 476     }
 477     m_statusBar->setProgress(percent);
 478 }
 479
 480 void DolphinViewContainer::slotDirectoryLoadingStarted()
 481 {
 482     if (isSearchUrl(url())) {
 483         // Search KIO-slaves usually don't provide any progress information. Give
 484         // a hint to the user that a searching is done:
 485         updateStatusBar();
 486         m_statusBar->setProgressText(i18nc("@info", "Searching..."));
 487         m_statusBar->setProgress(-1);
 488     } else {
 489         // Trigger an undetermined progress indication. The progress
 490         // information in percent will be triggered by the percent() signal
 491         // of the directory lister later.
 492         updateDirectoryLoadingProgress(-1);
 493     }
 494 }
 495
 496 void DolphinViewContainer::slotDirectoryLoadingCompleted()
 497 {
 498     if (!m_statusBar->progressText().isEmpty()) {
 499         m_statusBar->setProgressText(QString());
 500         m_statusBar->setProgress(100);
 501     }
 502
 503     if (isSearchUrl(url()) && m_view->itemsCount() == 0) {
 504         // The dir lister has been completed on a Baloo-URI and no items have been found. Instead
 505         // of showing the default status bar information ("0 items") a more helpful information is given:
 506         m_statusBar->setText(i18nc("@info:status", "No items found."));
 507     } else {
 508         updateStatusBar();
 509     }
 510 }
 511
 512 void DolphinViewContainer::slotDirectoryLoadingCanceled()
 513 {
 514     if (!m_statusBar->progressText().isEmpty()) {
 515         m_statusBar->setProgressText(QString());
 516         m_statusBar->setProgress(100);
 517     }
 518
 519     m_statusBar->setText(QString());
 520 }
 521
 522 void DolphinViewContainer::slotUrlIsFileError(const QUrl& url)
 523 {
 524     const KFileItem item(url);
 525
 526     // Find out if the file can be opened in the view (for example, this is the
 527     // case if the file is an archive). The mime type must be known for that.
 528     item.determineMimeType();
 529     const QUrl& folderUrl = DolphinView::openItemAsFolderUrl(item, true);
 530     if (!folderUrl.isEmpty()) {
 531         setUrl(folderUrl);
 532     } else {
 533         slotItemActivated(item);
 534     }
 535 }
 536
 537 void DolphinViewContainer::slotItemActivated(const KFileItem& item)
 538 {
 539     // It is possible to activate items on inactive views by
 540     // drag & drop operations. Assure that activating an item always
 541     // results in an active view.
 542     m_view->setActive(true);
 543
 544     const QUrl& url = DolphinView::openItemAsFolderUrl(item, GeneralSettings::browseThroughArchives());
 545     if (!url.isEmpty()) {
 546         setUrl(url);
 547         return;
 548     }
 549
 550     KRun *run = new KRun(item.targetUrl(), this);
 551     run->setShowScriptExecutionPrompt(true);
 552 }
 553
 554 void DolphinViewContainer::slotItemsActivated(const KFileItemList& items)
 555 {
 556     Q_ASSERT(items.count() >= 2);
 557
 558     KFileItemActions fileItemActions(this);
 559     fileItemActions.runPreferredApplications(items, QString());
 560 }
 561
 562 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 563 {
 564     if (item.isNull()) {
 565         m_statusBar->resetToDefaultText();
 566     } else {
 567         m_statusBar->setText(item.getStatusBarInfo());
 568     }
 569 }
 570
 571 void DolphinViewContainer::closeFilterBar()
 572 {
 573     m_filterBar->closeFilterBar();
 574     m_view->setFocus();
 575     emit showFilterBarChanged(false);
 576 }
 577
 578 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 579 {
 580     m_view->setNameFilter(nameFilter);
 581     delayedStatusBarUpdate();
 582 }
 583
 584 void DolphinViewContainer::activate()
 585 {
 586     setActive(true);
 587 }
 588
 589 void DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged(const QUrl&)
 590 {
 591     saveViewState();
 592 }
 593
 594 void DolphinViewContainer::slotUrlNavigatorLocationChanged(const QUrl& url)
 595 {
 596     slotReturnPressed();
 597
 598     if (KProtocolManager::supportsListing(url)) {
 599         setSearchModeEnabled(isSearchUrl(url));
 600         m_view->setUrl(url);
 601         tryRestoreViewState();
 602
 603         if (m_autoGrabFocus && isActive() && !isSearchUrl(url)) {
 604             // When an URL has been entered, the view should get the focus.
 605             // The focus must be requested asynchronously, as changing the URL might create
 606             // a new view widget.
 607             QTimer::singleShot(0, this, &DolphinViewContainer::requestFocus);
 608         }
 609     } else if (KProtocolManager::isSourceProtocol(url)) {
 610         QString app = QStringLiteral("konqueror");
 611         if (url.scheme().startsWith(QLatin1String("http"))) {
 612             showMessage(i18nc("@info:status", // krazy:exclude=qmethods
 613                               "Dolphin does not support web pages, the web browser has been launched"),
 614                         Information);
 615
 616             const KConfigGroup config(KSharedConfig::openConfig(QStringLiteral("kdeglobals")), "General");
 617             const QString browser = config.readEntry("BrowserApplication");
 618             if (!browser.isEmpty()) {
 619                 app = browser;
 620                 if (app.startsWith('!')) {
 621                     // a literal command has been configured, remove the '!' prefix
 622                     app = app.mid(1);
 623                 }
 624             }
 625         } else {
 626             showMessage(i18nc("@info:status",
 627                               "Protocol not supported by Dolphin, Konqueror has been launched"),
 628                         Information);
 629         }
 630
 631         const QString secureUrl = KShell::quoteArg(url.toDisplayString(QUrl::PreferLocalFile));
 632         const QString command = app + ' ' + secureUrl;
 633         KRun::runCommand(command, app, app, this);
 634     } else {
 635         showMessage(i18nc("@info:status", "Invalid protocol"), Error);
 636     }
 637 }
 638
 639 void DolphinViewContainer::slotUrlSelectionRequested(const QUrl& url)
 640 {
 641     qCDebug(DolphinDebug) << "slotUrlSelectionRequested: " << url;
 642     m_view->markUrlsAsSelected({url});
 643     m_view->markUrlAsCurrent(url); // makes the item scroll into view
 644 }
 645
 646 void DolphinViewContainer::redirect(const QUrl& oldUrl, const QUrl& newUrl)
 647 {
 648     Q_UNUSED(oldUrl);
 649     const bool block = m_urlNavigator->signalsBlocked();
 650     m_urlNavigator->blockSignals(true);
 651
 652     // Assure that the location state is reset for redirection URLs. This
 653     // allows to skip redirection URLs when going back or forward in the
 654     // URL history.
 655     m_urlNavigator->saveLocationState(QByteArray());
 656     m_urlNavigator->setLocationUrl(newUrl);
 657     setSearchModeEnabled(isSearchUrl(newUrl));
 658
 659     m_urlNavigator->blockSignals(block);
 660 }
 661
 662 void DolphinViewContainer::requestFocus()
 663 {
 664     m_view->setFocus();
 665 }
 666
 667 void DolphinViewContainer::saveUrlCompletionMode(KCompletion::CompletionMode completion)
 668 {
 669     GeneralSettings::setUrlCompletionMode(completion);
 670 }
 671
 672 void DolphinViewContainer::slotReturnPressed()
 673 {
 674     if (!GeneralSettings::editableUrl()) {
 675         m_urlNavigator->setUrlEditable(false);
 676     }
 677 }
 678
 679 void DolphinViewContainer::startSearching()
 680 {
 681     const QUrl url = m_searchBox->urlForSearching();
 682     if (url.isValid() && !url.isEmpty()) {
 683         m_view->setViewPropertiesContext(QStringLiteral("search"));
 684         m_urlNavigator->setLocationUrl(url);
 685     }
 686 }
 687
 688 void DolphinViewContainer::closeSearchBox()
 689 {
 690     setSearchModeEnabled(false);
 691 }
 692
 693 void DolphinViewContainer::stopDirectoryLoading()
 694 {
 695     m_view->stopLoading();
 696     m_statusBar->setProgress(100);
 697 }
 698
 699 void DolphinViewContainer::slotStatusBarZoomLevelChanged(int zoomLevel)
 700 {
 701     m_view->setZoomLevel(zoomLevel);
 702 }
 703
 704 void DolphinViewContainer::showErrorMessage(const QString& msg)
 705 {
 706     showMessage(msg, Error);
 707 }
 708
 709 bool DolphinViewContainer::isSearchUrl(const QUrl& url) const
 710 {
 711     return url.scheme().contains(QStringLiteral("search"));
 712 }
 713
 714 void DolphinViewContainer::saveViewState()
 715 {
 716     QByteArray locationState;
 717     QDataStream stream(&locationState, QIODevice::WriteOnly);
 718     m_view->saveState(stream);
 719     m_urlNavigator->saveLocationState(locationState);
 720 }
 721
 722 void DolphinViewContainer::tryRestoreViewState()
 723 {
 724     QByteArray locationState = m_urlNavigator->locationState();
 725     if (!locationState.isEmpty()) {
 726         QDataStream stream(&locationState, QIODevice::ReadOnly);
 727         m_view->restoreState(stream);
 728     }
 729 }