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 #ifdef HAVE_KACTIVITIES
  34 #include <KActivities/ResourceInstance>
  35 #endif
  36 #include <KFileItemActions>
  37 #include <KFilePlacesModel>
  38 #include <KIO/PreviewJob>
  39 #include <KLocalizedString>
  40 #include <KMessageWidget>
  41 #include <KProtocolManager>
  42 #include <KRun>
  43 #include <KShell>
  44 #include <KUrlComboBox>
  45 #include <KUrlNavigator>
  46
  47 #include <QDropEvent>
  48 #include <QLoggingCategory>
  49 #include <QMimeData>
  50 #include <QTimer>
  51 #include <QUrl>
  52 #include <QVBoxLayout>
  53
  54 DolphinViewContainer::DolphinViewContainer(const QUrl& url, QWidget* parent) :
  55     QWidget(parent),
  56     m_topLayout(nullptr),
  57     m_navigatorWidget(nullptr),
  58     m_urlNavigator(nullptr),
  59     m_emptyTrashButton(nullptr),
  60     m_searchBox(nullptr),
  61     m_searchModeEnabled(false),
  62     m_messageWidget(nullptr),
  63     m_view(nullptr),
  64     m_filterBar(nullptr),
  65     m_statusBar(nullptr),
  66     m_statusBarTimer(nullptr),
  67     m_statusBarTimestamp(),
  68     m_autoGrabFocus(true)
  69 #ifdef HAVE_KACTIVITIES
  70     , m_activityResourceInstance(nullptr)
  71 #endif
  72 {
  73     hide();
  74
  75     m_topLayout = new QVBoxLayout(this);
  76     m_topLayout->setSpacing(0);
  77     m_topLayout->setContentsMargins(0, 0, 0, 0);
  78
  79     m_navigatorWidget = new QWidget(this);
  80     QHBoxLayout* navigatorLayout = new QHBoxLayout(m_navigatorWidget);
  81     navigatorLayout->setSpacing(0);
  82     navigatorLayout->setContentsMargins(0, 0, 0, 0);
  83
  84     m_urlNavigator = new KUrlNavigator(DolphinPlacesModelSingleton::instance().placesModel(), url, this);
  85     connect(m_urlNavigator, &KUrlNavigator::activated,
  86             this, &DolphinViewContainer::activate);
  87     connect(m_urlNavigator->editor(), &KUrlComboBox::completionModeChanged,
  88             this, &DolphinViewContainer::saveUrlCompletionMode);
  89
  90     const GeneralSettings* settings = GeneralSettings::self();
  91     m_urlNavigator->setUrlEditable(settings->editableUrl());
  92     m_urlNavigator->setShowFullPath(settings->showFullPath());
  93     m_urlNavigator->setHomeUrl(Dolphin::homeUrl());
  94     KUrlComboBox* editor = m_urlNavigator->editor();
  95     editor->setCompletionMode(KCompletion::CompletionMode(settings->urlCompletionMode()));
  96
  97     m_emptyTrashButton = new QPushButton(QIcon::fromTheme(QStringLiteral("user-trash")), i18nc("@action:button", "Empty Trash"), this);
  98     m_emptyTrashButton->setFlat(true);
  99     connect(m_emptyTrashButton, &QPushButton::clicked, this, [this]() { Trash::empty(this); });
 100     connect(&Trash::instance(), &Trash::emptinessChanged, m_emptyTrashButton, &QPushButton::setDisabled);
 101     m_emptyTrashButton->setDisabled(Trash::isEmpty());
 102     m_emptyTrashButton->hide();
 103
 104     m_searchBox = new DolphinSearchBox(this);
 105     m_searchBox->hide();
 106     connect(m_searchBox, &DolphinSearchBox::activated, this, &DolphinViewContainer::activate);
 107     connect(m_searchBox, &DolphinSearchBox::closeRequest, this, &DolphinViewContainer::closeSearchBox);
 108     connect(m_searchBox, &DolphinSearchBox::searchRequest, this, &DolphinViewContainer::startSearching);
 109     connect(m_searchBox, &DolphinSearchBox::returnPressed, this, &DolphinViewContainer::requestFocus);
 110
 111     m_messageWidget = new KMessageWidget(this);
 112     m_messageWidget->setCloseButtonVisible(true);
 113     m_messageWidget->hide();
 114
 115 #ifndef Q_OS_WIN
 116     if (getuid() == 0) {
 117
 118         // We must be logged in as the root user; show a big scary warning
 119         showMessage(i18n("Running Dolphin as root can be dangerous. Please be careful."), Warning);
 120     }
 121 #endif
 122
 123     m_view = new DolphinView(url, this);
 124     connect(m_view, &DolphinView::urlChanged,
 125             m_urlNavigator, &KUrlNavigator::setLocationUrl);
 126     connect(m_view, &DolphinView::urlChanged,
 127             m_messageWidget, &KMessageWidget::hide);
 128     connect(m_view, &DolphinView::writeStateChanged,
 129             this, &DolphinViewContainer::writeStateChanged);
 130     connect(m_view, &DolphinView::requestItemInfo,
 131             this, &DolphinViewContainer::showItemInfo);
 132     connect(m_view, &DolphinView::itemActivated,
 133             this, &DolphinViewContainer::slotItemActivated);
 134     connect(m_view, &DolphinView::itemsActivated,
 135             this, &DolphinViewContainer::slotItemsActivated);
 136     connect(m_view, &DolphinView::redirection,
 137             this, &DolphinViewContainer::redirect);
 138     connect(m_view, &DolphinView::directoryLoadingStarted,
 139             this, &DolphinViewContainer::slotDirectoryLoadingStarted);
 140     connect(m_view, &DolphinView::directoryLoadingCompleted,
 141             this, &DolphinViewContainer::slotDirectoryLoadingCompleted);
 142     connect(m_view, &DolphinView::directoryLoadingCanceled,
 143             this, &DolphinViewContainer::slotDirectoryLoadingCanceled);
 144     connect(m_view, &DolphinView::itemCountChanged,
 145             this, &DolphinViewContainer::delayedStatusBarUpdate);
 146     connect(m_view, &DolphinView::directoryLoadingProgress,
 147             this, &DolphinViewContainer::updateDirectoryLoadingProgress);
 148     connect(m_view, &DolphinView::directorySortingProgress,
 149             this, &DolphinViewContainer::updateDirectorySortingProgress);
 150     connect(m_view, &DolphinView::selectionChanged,
 151             this, &DolphinViewContainer::delayedStatusBarUpdate);
 152     connect(m_view, &DolphinView::errorMessage,
 153             this, &DolphinViewContainer::showErrorMessage);
 154     connect(m_view, &DolphinView::urlIsFileError,
 155             this, &DolphinViewContainer::slotUrlIsFileError);
 156     connect(m_view, &DolphinView::activated,
 157             this, &DolphinViewContainer::activate);
 158
 159     connect(m_urlNavigator, &KUrlNavigator::urlAboutToBeChanged,
 160             this, &DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged);
 161     connect(m_urlNavigator, &KUrlNavigator::urlChanged,
 162             this, &DolphinViewContainer::slotUrlNavigatorLocationChanged);
 163     connect(m_urlNavigator, &KUrlNavigator::urlSelectionRequested,
 164             this, &DolphinViewContainer::slotUrlSelectionRequested);
 165     connect(m_urlNavigator, &KUrlNavigator::returnPressed,
 166             this, &DolphinViewContainer::slotReturnPressed);
 167     connect(m_urlNavigator, &KUrlNavigator::urlsDropped, this, [=](const QUrl &destination, QDropEvent *event) {
 168         m_view->dropUrls(destination, event, m_urlNavigator->dropWidget());
 169     });
 170
 171     connect(m_view, &DolphinView::directoryLoadingCompleted, this, [this]() {
 172         m_emptyTrashButton->setVisible(m_view->url().scheme() == QLatin1String("trash"));
 173     });
 174
 175     // Initialize status bar
 176     m_statusBar = new DolphinStatusBar(this);
 177     m_statusBar->setUrl(m_view->url());
 178     m_statusBar->setZoomLevel(m_view->zoomLevel());
 179     connect(m_view, &DolphinView::urlChanged,
 180             m_statusBar, &DolphinStatusBar::setUrl);
 181     connect(m_view, &DolphinView::zoomLevelChanged,
 182             m_statusBar, &DolphinStatusBar::setZoomLevel);
 183     connect(m_view, &DolphinView::infoMessage,
 184             m_statusBar, &DolphinStatusBar::setText);
 185     connect(m_view, &DolphinView::operationCompletedMessage,
 186             m_statusBar, &DolphinStatusBar::setText);
 187     connect(m_statusBar, &DolphinStatusBar::stopPressed,
 188             this, &DolphinViewContainer::stopDirectoryLoading);
 189     connect(m_statusBar, &DolphinStatusBar::zoomLevelChanged,
 190             this, &DolphinViewContainer::slotStatusBarZoomLevelChanged);
 191
 192     m_statusBarTimer = new QTimer(this);
 193     m_statusBarTimer->setSingleShot(true);
 194     m_statusBarTimer->setInterval(300);
 195     connect(m_statusBarTimer, &QTimer::timeout, this, &DolphinViewContainer::updateStatusBar);
 196
 197     KIO::FileUndoManager* undoManager = KIO::FileUndoManager::self();
 198     connect(undoManager, &KIO::FileUndoManager::jobRecordingFinished,
 199             this, &DolphinViewContainer::delayedStatusBarUpdate);
 200
 201     // Initialize filter bar
 202     m_filterBar = new FilterBar(this);
 203     m_filterBar->setVisible(settings->filterBar());
 204     connect(m_filterBar, &FilterBar::filterChanged,
 205             this, &DolphinViewContainer::setNameFilter);
 206     connect(m_filterBar, &FilterBar::closeRequest,
 207             this, &DolphinViewContainer::closeFilterBar);
 208     connect(m_filterBar, &FilterBar::focusViewRequest,
 209             this, &DolphinViewContainer::requestFocus);
 210     connect(m_view, &DolphinView::urlChanged,
 211             m_filterBar, &FilterBar::slotUrlChanged);
 212
 213     navigatorLayout->addWidget(m_urlNavigator);
 214     navigatorLayout->addWidget(m_emptyTrashButton);
 215
 216     m_topLayout->addWidget(m_navigatorWidget);
 217     m_topLayout->addWidget(m_searchBox);
 218     m_topLayout->addWidget(m_messageWidget);
 219     m_topLayout->addWidget(m_view);
 220     m_topLayout->addWidget(m_filterBar);
 221     m_topLayout->addWidget(m_statusBar);
 222
 223     setSearchModeEnabled(isSearchUrl(url));
 224
 225     // Initialize kactivities resource instance
 226
 227 #ifdef HAVE_KACTIVITIES
 228     m_activityResourceInstance = new KActivities::ResourceInstance(window()->winId(), url);
 229     m_activityResourceInstance->setParent(this);
 230 #endif
 231 }
 232
 233 DolphinViewContainer::~DolphinViewContainer()
 234 {
 235 }
 236
 237 QUrl DolphinViewContainer::url() const
 238 {
 239     return m_view->url();
 240 }
 241
 242 void DolphinViewContainer::setActive(bool active)
 243 {
 244     m_searchBox->setActive(active);
 245     m_urlNavigator->setActive(active);
 246     m_view->setActive(active);
 247
 248 #ifdef HAVE_KACTIVITIES
 249     if (active) {
 250         m_activityResourceInstance->notifyFocusedIn();
 251     } else {
 252         m_activityResourceInstance->notifyFocusedOut();
 253     }
 254 #endif
 255 }
 256
 257 bool DolphinViewContainer::isActive() const
 258 {
 259     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 260     return m_view->isActive();
 261 }
 262
 263 void DolphinViewContainer::setAutoGrabFocus(bool grab)
 264 {
 265     m_autoGrabFocus = grab;
 266 }
 267
 268 bool DolphinViewContainer::autoGrabFocus() const
 269 {
 270     return m_autoGrabFocus;
 271 }
 272
 273 QString DolphinViewContainer::currentSearchText() const
 274 {
 275      return m_searchBox->text();
 276 }
 277
 278 const DolphinStatusBar* DolphinViewContainer::statusBar() const
 279 {
 280     return m_statusBar;
 281 }
 282
 283 DolphinStatusBar* DolphinViewContainer::statusBar()
 284 {
 285     return m_statusBar;
 286 }
 287
 288 const KUrlNavigator* DolphinViewContainer::urlNavigator() const
 289 {
 290     return m_urlNavigator;
 291 }
 292
 293 KUrlNavigator* DolphinViewContainer::urlNavigator()
 294 {
 295     return m_urlNavigator;
 296 }
 297
 298 const DolphinView* DolphinViewContainer::view() const
 299 {
 300     return m_view;
 301 }
 302
 303 DolphinView* DolphinViewContainer::view()
 304 {
 305     return m_view;
 306 }
 307
 308 void DolphinViewContainer::showMessage(const QString& msg, MessageType type)
 309 {
 310     if (msg.isEmpty()) {
 311         return;
 312     }
 313
 314     m_messageWidget->setText(msg);
 315
 316     // TODO: wrap at arbitrary character positions once QLabel can do this
 317     // https://bugreports.qt.io/browse/QTBUG-1276
 318     m_messageWidget->setWordWrap(true);
 319
 320     switch (type) {
 321     case Information: m_messageWidget->setMessageType(KMessageWidget::Information); break;
 322     case Warning:     m_messageWidget->setMessageType(KMessageWidget::Warning); break;
 323     case Error:       m_messageWidget->setMessageType(KMessageWidget::Error); break;
 324     default:
 325         Q_ASSERT(false);
 326         break;
 327     }
 328
 329     m_messageWidget->setWordWrap(false);
 330     const int unwrappedWidth = m_messageWidget->sizeHint().width();
 331     m_messageWidget->setWordWrap(unwrappedWidth > size().width());
 332
 333     if (m_messageWidget->isVisible()) {
 334         m_messageWidget->hide();
 335     }
 336     m_messageWidget->animatedShow();
 337 }
 338
 339 void DolphinViewContainer::readSettings()
 340 {
 341     if (GeneralSettings::modifiedStartupSettings()) {
 342         // The startup settings should only get applied if they have been
 343         // modified by the user. Otherwise keep the (possibly) different current
 344         // settings of the URL navigator and the filterbar.
 345         m_urlNavigator->setUrlEditable(GeneralSettings::editableUrl());
 346         m_urlNavigator->setShowFullPath(GeneralSettings::showFullPath());
 347         m_urlNavigator->setHomeUrl(Dolphin::homeUrl());
 348         setFilterBarVisible(GeneralSettings::filterBar());
 349     }
 350
 351     m_view->readSettings();
 352     m_statusBar->readSettings();
 353 }
 354
 355 bool DolphinViewContainer::isFilterBarVisible() const
 356 {
 357     return m_filterBar->isVisible();
 358 }
 359
 360 void DolphinViewContainer::setSearchModeEnabled(bool enabled)
 361 {
 362     if (enabled == isSearchModeEnabled()) {
 363         if (enabled && !m_searchBox->hasFocus()) {
 364             m_searchBox->setFocus();
 365             m_searchBox->selectAll();
 366         }
 367         return;
 368     }
 369
 370     m_searchBox->setVisible(enabled);
 371     m_navigatorWidget->setVisible(!enabled);
 372
 373     if (enabled) {
 374         const QUrl& locationUrl = m_urlNavigator->locationUrl();
 375         m_searchBox->fromSearchUrl(locationUrl);
 376     } else {
 377         m_view->setViewPropertiesContext(QString());
 378
 379         // Restore the URL for the URL navigator. If Dolphin has been
 380         // started with a search-URL, the home URL is used as fallback.
 381         QUrl url = m_searchBox->searchPath();
 382         if (url.isEmpty() || !url.isValid() || isSearchUrl(url)) {
 383             url = Dolphin::homeUrl();
 384         }
 385         m_urlNavigator->setLocationUrl(url);
 386     }
 387
 388     m_searchModeEnabled = enabled;
 389 }
 390
 391 bool DolphinViewContainer::isSearchModeEnabled() const
 392 {
 393     return m_searchModeEnabled;
 394 }
 395
 396 QString DolphinViewContainer::placesText() const
 397 {
 398     QString text;
 399
 400     if (isSearchModeEnabled()) {
 401         text = i18n("Search for %1 in %2", m_searchBox->text(), m_searchBox->searchPath().fileName());
 402     } else {
 403         text = url().fileName();
 404         if (text.isEmpty()) {
 405             text = url().host();
 406         }
 407         if (text.isEmpty()) {
 408             text = url().scheme();
 409         }
 410     }
 411
 412     return text;
 413 }
 414
 415 void DolphinViewContainer::reload()
 416 {
 417     view()->reload();
 418     m_messageWidget->hide();
 419 }
 420
 421 QString DolphinViewContainer::caption() const
 422 {
 423     if (GeneralSettings::showFullPathInTitlebar()) {
 424         if (!url().isLocalFile()) {
 425             return url().adjusted(QUrl::StripTrailingSlash).toString();
 426         }
 427         return url().adjusted(QUrl::StripTrailingSlash).path();
 428     }
 429
 430     KFilePlacesModel *placesModel = DolphinPlacesModelSingleton::instance().placesModel();
 431     const auto& matchedPlaces = placesModel->match(placesModel->index(0,0), KFilePlacesModel::UrlRole, url(), 1, Qt::MatchExactly);
 432
 433     if (!matchedPlaces.isEmpty()) {
 434         return placesModel->text(matchedPlaces.first());
 435     }
 436
 437     if (isSearchModeEnabled()) {
 438         if (currentSearchText().isEmpty()){
 439             return i18n("Search");
 440         } else {
 441             return i18n("Search for %1", currentSearchText());
 442         }
 443     }
 444
 445     if (!url().isLocalFile()) {
 446         QUrl adjustedUrl = url().adjusted(QUrl::StripTrailingSlash);
 447         QString caption;
 448         if (!adjustedUrl.fileName().isEmpty()) {
 449             caption = adjustedUrl.fileName();
 450         } else if (!adjustedUrl.path().isEmpty() && adjustedUrl.path() != "/") {
 451             caption = adjustedUrl.path();
 452         } else if (!adjustedUrl.host().isEmpty()) {
 453             caption = adjustedUrl.host();
 454         } else {
 455             caption = adjustedUrl.toString();
 456         }
 457         return caption;
 458     }
 459
 460     QString fileName = url().adjusted(QUrl::StripTrailingSlash).fileName();
 461     if (fileName.isEmpty()) {
 462         fileName = '/';
 463     }
 464
 465     return fileName;
 466 }
 467
 468 void DolphinViewContainer::setUrl(const QUrl& newUrl)
 469 {
 470     if (newUrl != m_urlNavigator->locationUrl()) {
 471         m_urlNavigator->setLocationUrl(newUrl);
 472     }
 473
 474 #ifdef HAVE_KACTIVITIES
 475     m_activityResourceInstance->setUri(newUrl);
 476 #endif
 477 }
 478
 479 void DolphinViewContainer::setFilterBarVisible(bool visible)
 480 {
 481     Q_ASSERT(m_filterBar);
 482     if (visible) {
 483         m_filterBar->show();
 484         m_filterBar->setFocus();
 485         m_filterBar->selectAll();
 486     } else {
 487         closeFilterBar();
 488     }
 489 }
 490
 491 void DolphinViewContainer::delayedStatusBarUpdate()
 492 {
 493     if (m_statusBarTimer->isActive() && (m_statusBarTimestamp.elapsed() > 2000)) {
 494         // No update of the statusbar has been done during the last 2 seconds,
 495         // although an update has been requested. Trigger an immediate update.
 496         m_statusBarTimer->stop();
 497         updateStatusBar();
 498     } else {
 499         // Invoke updateStatusBar() with a small delay. This assures that
 500         // when a lot of delayedStatusBarUpdates() are done in a short time,
 501         // no bottleneck is given.
 502         m_statusBarTimer->start();
 503     }
 504 }
 505
 506 void DolphinViewContainer::updateStatusBar()
 507 {
 508     m_statusBarTimestamp.start();
 509
 510     const QString text = m_view->statusBarText();
 511     m_statusBar->setDefaultText(text);
 512     m_statusBar->resetToDefaultText();
 513 }
 514
 515 void DolphinViewContainer::updateDirectoryLoadingProgress(int percent)
 516 {
 517     if (m_statusBar->progressText().isEmpty()) {
 518         m_statusBar->setProgressText(i18nc("@info:progress", "Loading folder..."));
 519     }
 520     m_statusBar->setProgress(percent);
 521 }
 522
 523 void DolphinViewContainer::updateDirectorySortingProgress(int percent)
 524 {
 525     if (m_statusBar->progressText().isEmpty()) {
 526         m_statusBar->setProgressText(i18nc("@info:progress", "Sorting..."));
 527     }
 528     m_statusBar->setProgress(percent);
 529 }
 530
 531 void DolphinViewContainer::slotDirectoryLoadingStarted()
 532 {
 533     if (isSearchUrl(url())) {
 534         // Search KIO-slaves usually don't provide any progress information. Give
 535         // a hint to the user that a searching is done:
 536         updateStatusBar();
 537         m_statusBar->setProgressText(i18nc("@info", "Searching..."));
 538         m_statusBar->setProgress(-1);
 539     } else {
 540         // Trigger an undetermined progress indication. The progress
 541         // information in percent will be triggered by the percent() signal
 542         // of the directory lister later.
 543         updateDirectoryLoadingProgress(-1);
 544     }
 545 }
 546
 547 void DolphinViewContainer::slotDirectoryLoadingCompleted()
 548 {
 549     if (!m_statusBar->progressText().isEmpty()) {
 550         m_statusBar->setProgressText(QString());
 551         m_statusBar->setProgress(100);
 552     }
 553
 554     if (isSearchUrl(url()) && m_view->itemsCount() == 0) {
 555         // The dir lister has been completed on a Baloo-URI and no items have been found. Instead
 556         // of showing the default status bar information ("0 items") a more helpful information is given:
 557         m_statusBar->setText(i18nc("@info:status", "No items found."));
 558     } else {
 559         updateStatusBar();
 560     }
 561 }
 562
 563 void DolphinViewContainer::slotDirectoryLoadingCanceled()
 564 {
 565     if (!m_statusBar->progressText().isEmpty()) {
 566         m_statusBar->setProgressText(QString());
 567         m_statusBar->setProgress(100);
 568     }
 569
 570     m_statusBar->setText(QString());
 571 }
 572
 573 void DolphinViewContainer::slotUrlIsFileError(const QUrl& url)
 574 {
 575     const KFileItem item(url);
 576
 577     // Find out if the file can be opened in the view (for example, this is the
 578     // case if the file is an archive). The mime type must be known for that.
 579     item.determineMimeType();
 580     const QUrl& folderUrl = DolphinView::openItemAsFolderUrl(item, true);
 581     if (!folderUrl.isEmpty()) {
 582         setUrl(folderUrl);
 583     } else {
 584         slotItemActivated(item);
 585     }
 586 }
 587
 588 void DolphinViewContainer::slotItemActivated(const KFileItem& item)
 589 {
 590     // It is possible to activate items on inactive views by
 591     // drag & drop operations. Assure that activating an item always
 592     // results in an active view.
 593     m_view->setActive(true);
 594
 595     const QUrl& url = DolphinView::openItemAsFolderUrl(item, GeneralSettings::browseThroughArchives());
 596     if (!url.isEmpty()) {
 597         setUrl(url);
 598         return;
 599     }
 600
 601     KRun *run = new KRun(item.targetUrl(), this);
 602     run->setShowScriptExecutionPrompt(true);
 603 }
 604
 605 void DolphinViewContainer::slotItemsActivated(const KFileItemList& items)
 606 {
 607     Q_ASSERT(items.count() >= 2);
 608
 609     KFileItemActions fileItemActions(this);
 610     fileItemActions.runPreferredApplications(items, QString());
 611 }
 612
 613 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 614 {
 615     if (item.isNull()) {
 616         m_statusBar->resetToDefaultText();
 617     } else {
 618         m_statusBar->setText(item.getStatusBarInfo());
 619     }
 620 }
 621
 622 void DolphinViewContainer::closeFilterBar()
 623 {
 624     m_filterBar->closeFilterBar();
 625     m_view->setFocus();
 626     emit showFilterBarChanged(false);
 627 }
 628
 629 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 630 {
 631     m_view->setNameFilter(nameFilter);
 632     delayedStatusBarUpdate();
 633 }
 634
 635 void DolphinViewContainer::activate()
 636 {
 637     setActive(true);
 638 }
 639
 640 void DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged(const QUrl&)
 641 {
 642     saveViewState();
 643 }
 644
 645 void DolphinViewContainer::slotUrlNavigatorLocationChanged(const QUrl& url)
 646 {
 647     slotReturnPressed();
 648
 649     if (KProtocolManager::supportsListing(url)) {
 650         setSearchModeEnabled(isSearchUrl(url));
 651         m_view->setUrl(url);
 652         tryRestoreViewState();
 653
 654         if (m_autoGrabFocus && isActive() && !isSearchUrl(url)) {
 655             // When an URL has been entered, the view should get the focus.
 656             // The focus must be requested asynchronously, as changing the URL might create
 657             // a new view widget.
 658             QTimer::singleShot(0, this, &DolphinViewContainer::requestFocus);
 659         }
 660     } else if (KProtocolManager::isSourceProtocol(url)) {
 661         QString app = QStringLiteral("konqueror");
 662         if (url.scheme().startsWith(QLatin1String("http"))) {
 663             showMessage(i18nc("@info:status", // krazy:exclude=qmethods
 664                               "Dolphin does not support web pages, the web browser has been launched"),
 665                         Information);
 666
 667             const KConfigGroup config(KSharedConfig::openConfig(QStringLiteral("kdeglobals")), "General");
 668             const QString browser = config.readEntry("BrowserApplication");
 669             if (!browser.isEmpty()) {
 670                 app = browser;
 671                 if (app.startsWith('!')) {
 672                     // a literal command has been configured, remove the '!' prefix
 673                     app = app.mid(1);
 674                 }
 675             }
 676         } else {
 677             showMessage(i18nc("@info:status",
 678                               "Protocol not supported by Dolphin, Konqueror has been launched"),
 679                         Information);
 680         }
 681
 682         const QString secureUrl = KShell::quoteArg(url.toDisplayString(QUrl::PreferLocalFile));
 683         const QString command = app + ' ' + secureUrl;
 684         KRun::runCommand(command, app, app, this);
 685     } else {
 686         showMessage(i18nc("@info:status", "Invalid protocol"), Error);
 687     }
 688 }
 689
 690 void DolphinViewContainer::slotUrlSelectionRequested(const QUrl& url)
 691 {
 692     m_view->markUrlsAsSelected({url});
 693     m_view->markUrlAsCurrent(url); // makes the item scroll into view
 694 }
 695
 696 void DolphinViewContainer::redirect(const QUrl& oldUrl, const QUrl& newUrl)
 697 {
 698     Q_UNUSED(oldUrl);
 699     const bool block = m_urlNavigator->signalsBlocked();
 700     m_urlNavigator->blockSignals(true);
 701
 702     // Assure that the location state is reset for redirection URLs. This
 703     // allows to skip redirection URLs when going back or forward in the
 704     // URL history.
 705     m_urlNavigator->saveLocationState(QByteArray());
 706     m_urlNavigator->setLocationUrl(newUrl);
 707     setSearchModeEnabled(isSearchUrl(newUrl));
 708
 709     m_urlNavigator->blockSignals(block);
 710 }
 711
 712 void DolphinViewContainer::requestFocus()
 713 {
 714     m_view->setFocus();
 715 }
 716
 717 void DolphinViewContainer::saveUrlCompletionMode(KCompletion::CompletionMode completion)
 718 {
 719     GeneralSettings::setUrlCompletionMode(completion);
 720 }
 721
 722 void DolphinViewContainer::slotReturnPressed()
 723 {
 724     if (!GeneralSettings::editableUrl()) {
 725         m_urlNavigator->setUrlEditable(false);
 726     }
 727 }
 728
 729 void DolphinViewContainer::startSearching()
 730 {
 731     const QUrl url = m_searchBox->urlForSearching();
 732     if (url.isValid() && !url.isEmpty()) {
 733         m_view->setViewPropertiesContext(QStringLiteral("search"));
 734         m_urlNavigator->setLocationUrl(url);
 735     }
 736 }
 737
 738 void DolphinViewContainer::closeSearchBox()
 739 {
 740     setSearchModeEnabled(false);
 741 }
 742
 743 void DolphinViewContainer::stopDirectoryLoading()
 744 {
 745     m_view->stopLoading();
 746     m_statusBar->setProgress(100);
 747 }
 748
 749 void DolphinViewContainer::slotStatusBarZoomLevelChanged(int zoomLevel)
 750 {
 751     m_view->setZoomLevel(zoomLevel);
 752 }
 753
 754 void DolphinViewContainer::showErrorMessage(const QString& msg)
 755 {
 756     showMessage(msg, Error);
 757 }
 758
 759 bool DolphinViewContainer::isSearchUrl(const QUrl& url) const
 760 {
 761     return url.scheme().contains(QStringLiteral("search"));
 762 }
 763
 764 void DolphinViewContainer::saveViewState()
 765 {
 766     QByteArray locationState;
 767     QDataStream stream(&locationState, QIODevice::WriteOnly);
 768     m_view->saveState(stream);
 769     m_urlNavigator->saveLocationState(locationState);
 770 }
 771
 772 void DolphinViewContainer::tryRestoreViewState()
 773 {
 774     QByteArray locationState = m_urlNavigator->locationState();
 775     if (!locationState.isEmpty()) {
 776         QDataStream stream(&locationState, QIODevice::ReadOnly);
 777         m_view->restoreState(stream);
 778     }
 779 }