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