src/views/dolphinview.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2006-2009 Peter Penz <peter.penz19@gmail.com>
   3  * SPDX-FileCopyrightText: 2006 Gregor Kališnik <gregor@podnapisi.net>
   4  *
   5  * SPDX-License-Identifier: GPL-2.0-or-later
   6  */
   7
   8 #include "dolphinview.h"
   9
  10 #include "dolphin_compactmodesettings.h"
  11 #include "dolphin_detailsmodesettings.h"
  12 #include "dolphin_iconsmodesettings.h"
  13 #include "dolphin_generalsettings.h"
  14 #include "dolphinitemlistview.h"
  15 #include "dolphinnewfilemenuobserver.h"
  16 #include "draganddrophelper.h"
  17 #include "kitemviews/kfileitemlistview.h"
  18 #include "kitemviews/kfileitemmodel.h"
  19 #include "kitemviews/kitemlistcontainer.h"
  20 #include "kitemviews/kitemlistcontroller.h"
  21 #include "kitemviews/kitemlistheader.h"
  22 #include "kitemviews/kitemlistselectionmanager.h"
  23 #include "kitemviews/private/kitemlistroleeditor.h"
  24 #include "versioncontrol/versioncontrolobserver.h"
  25 #include "viewproperties.h"
  26 #include "views/tooltips/tooltipmanager.h"
  27 #include "zoomlevelinfo.h"
  28
  29 #ifdef HAVE_BALOO
  30 #include <Baloo/IndexerConfig>
  31 #endif
  32 #include <KColorScheme>
  33 #include <KDesktopFile>
  34 #include <KDirModel>
  35 #include <KFileItemListProperties>
  36 #include <KFormat>
  37 #include <KIO/CopyJob>
  38 #include <KIO/DeleteJob>
  39 #include <KIO/DropJob>
  40 #include <KIO/JobUiDelegate>
  41 #include <KIO/Paste>
  42 #include <KIO/PasteJob>
  43 #include <KIO/PreviewJob>
  44 #include <KIO/RenameFileDialog>
  45 #include <KJobWidgets>
  46 #include <KLocalizedString>
  47 #include <KMessageBox>
  48 #include <KProtocolManager>
  49
  50 #include <QAbstractItemView>
  51 #include <QActionGroup>
  52 #include <QApplication>
  53 #include <QClipboard>
  54 #include <QDropEvent>
  55 #include <QGraphicsOpacityEffect>
  56 #include <QGraphicsSceneDragDropEvent>
  57 #include <QLabel>
  58 #include <QMenu>
  59 #include <QMimeDatabase>
  60 #include <QPixmapCache>
  61 #include <QPointer>
  62 #include <QScrollBar>
  63 #include <QSize>
  64 #include <QTimer>
  65 #include <QVBoxLayout>
  66
  67 DolphinView::DolphinView(const QUrl& url, QWidget* parent) :
  68     QWidget(parent),
  69     m_active(true),
  70     m_tabsForFiles(false),
  71     m_assureVisibleCurrentIndex(false),
  72     m_isFolderWritable(true),
  73     m_dragging(false),
  74     m_loading(false),
  75     m_url(url),
  76     m_viewPropertiesContext(),
  77     m_mode(DolphinView::IconsView),
  78     m_visibleRoles(),
  79     m_topLayout(nullptr),
  80     m_model(nullptr),
  81     m_view(nullptr),
  82     m_container(nullptr),
  83     m_toolTipManager(nullptr),
  84     m_selectionChangedTimer(nullptr),
  85     m_currentItemUrl(),
  86     m_scrollToCurrentItem(false),
  87     m_restoredContentsPosition(),
  88     m_selectedUrls(),
  89     m_clearSelectionBeforeSelectingNewItems(false),
  90     m_markFirstNewlySelectedItemAsCurrent(false),
  91     m_versionControlObserver(nullptr),
  92     m_twoClicksRenamingTimer(nullptr),
  93     m_placeholderLabel(nullptr),
  94     m_showLoadingPlaceholderTimer(nullptr)
  95 {
  96     m_topLayout = new QVBoxLayout(this);
  97     m_topLayout->setSpacing(0);
  98     m_topLayout->setContentsMargins(0, 0, 0, 0);
  99
 100     // When a new item has been created by the "Create New..." menu, the item should
 101     // get selected and it must be assured that the item will get visible. As the
 102     // creation is done asynchronously, several signals must be checked:
 103     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated,
 104             this, &DolphinView::observeCreatedItem);
 105
 106     m_selectionChangedTimer = new QTimer(this);
 107     m_selectionChangedTimer->setSingleShot(true);
 108     m_selectionChangedTimer->setInterval(300);
 109     connect(m_selectionChangedTimer, &QTimer::timeout,
 110             this, &DolphinView::emitSelectionChangedSignal);
 111
 112     m_model = new KFileItemModel(this);
 113     m_view = new DolphinItemListView();
 114     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 115     m_view->setVisibleRoles({"text"});
 116     applyModeToView();
 117
 118     KItemListController* controller = new KItemListController(m_model, m_view, this);
 119     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 120     controller->setAutoActivationDelay(delay);
 121
 122     // The EnlargeSmallPreviews setting can only be changed after the model
 123     // has been set in the view by KItemListController.
 124     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 125
 126     m_container = new KItemListContainer(controller, this);
 127     m_container->installEventFilter(this);
 128     setFocusProxy(m_container);
 129     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
 130     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
 131
 132     m_showLoadingPlaceholderTimer = new QTimer(this);
 133     m_showLoadingPlaceholderTimer->setInterval(500);
 134     m_showLoadingPlaceholderTimer->setSingleShot(true);
 135     connect(m_showLoadingPlaceholderTimer, &QTimer::timeout, this, &DolphinView::showLoadingPlaceholder);
 136
 137     // Show some placeholder text for empty folders
 138     // This is made using a heavily-modified QLabel rather than a KTitleWidget
 139     // because KTitleWidget can't be told to turn off mouse-selectable text
 140     m_placeholderLabel = new QLabel(this);
 141     QFont placeholderLabelFont;
 142     // To match the size of a level 2 Heading/KTitleWidget
 143     placeholderLabelFont.setPointSize(qRound(placeholderLabelFont.pointSize() * 1.3));
 144     m_placeholderLabel->setFont(placeholderLabelFont);
 145     m_placeholderLabel->setTextInteractionFlags(Qt::NoTextInteraction);
 146     m_placeholderLabel->setWordWrap(true);
 147     m_placeholderLabel->setAlignment(Qt::AlignCenter);
 148     // Match opacity of QML placeholder label component
 149     auto *effect = new QGraphicsOpacityEffect(m_placeholderLabel);
 150     effect->setOpacity(0.5);
 151     m_placeholderLabel->setGraphicsEffect(effect);
 152     // Set initial text and visibility
 153     updatePlaceholderLabel();
 154
 155     auto *centeringLayout = new QVBoxLayout(m_container);
 156     centeringLayout->addWidget(m_placeholderLabel);
 157     centeringLayout->setAlignment(m_placeholderLabel, Qt::AlignCenter);
 158
 159     controller->setSelectionBehavior(KItemListController::MultiSelection);
 160     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 161     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 162     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 163     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 164     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 165     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 166     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 167     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 168     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 169     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 170     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 171     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 172     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 173     connect(controller, &KItemListController::increaseZoom, this, &DolphinView::slotIncreaseZoom);
 174     connect(controller, &KItemListController::decreaseZoom, this, &DolphinView::slotDecreaseZoom);
 175     connect(controller, &KItemListController::swipeUp, this, &DolphinView::slotSwipeUp);
 176
 177     connect(m_model, &KFileItemModel::directoryLoadingStarted,       this, &DolphinView::slotDirectoryLoadingStarted);
 178     connect(m_model, &KFileItemModel::directoryLoadingCompleted,     this, &DolphinView::slotDirectoryLoadingCompleted);
 179     connect(m_model, &KFileItemModel::directoryLoadingCanceled,      this, &DolphinView::slotDirectoryLoadingCanceled);
 180     connect(m_model, &KFileItemModel::directoryLoadingProgress,   this, &DolphinView::directoryLoadingProgress);
 181     connect(m_model, &KFileItemModel::directorySortingProgress,   this, &DolphinView::directorySortingProgress);
 182     connect(m_model, &KFileItemModel::itemsChanged,
 183             this, &DolphinView::slotItemsChanged);
 184     connect(m_model, &KFileItemModel::itemsRemoved,    this, &DolphinView::itemCountChanged);
 185     connect(m_model, &KFileItemModel::itemsInserted,   this, &DolphinView::itemCountChanged);
 186     connect(m_model, &KFileItemModel::infoMessage,            this, &DolphinView::infoMessage);
 187     connect(m_model, &KFileItemModel::errorMessage,           this, &DolphinView::errorMessage);
 188     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 189     connect(m_model, &KFileItemModel::urlIsFileError,            this, &DolphinView::urlIsFileError);
 190     connect(m_model, &KFileItemModel::fileItemsChanged,            this, &DolphinView::fileItemsChanged);
 191
 192     connect(this, &DolphinView::itemCountChanged,
 193             this, &DolphinView::updatePlaceholderLabel);
 194
 195     m_view->installEventFilter(this);
 196     connect(m_view, &DolphinItemListView::sortOrderChanged,
 197             this, &DolphinView::slotSortOrderChangedByHeader);
 198     connect(m_view, &DolphinItemListView::sortRoleChanged,
 199             this, &DolphinView::slotSortRoleChangedByHeader);
 200     connect(m_view, &DolphinItemListView::visibleRolesChanged,
 201             this, &DolphinView::slotVisibleRolesChangedByHeader);
 202     connect(m_view, &DolphinItemListView::roleEditingCanceled,
 203             this, &DolphinView::slotRoleEditingCanceled);
 204     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished,
 205             this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 206
 207     KItemListSelectionManager* selectionManager = controller->selectionManager();
 208     connect(selectionManager, &KItemListSelectionManager::selectionChanged,
 209             this, &DolphinView::slotSelectionChanged);
 210
 211 #ifdef HAVE_BALOO
 212     m_toolTipManager = new ToolTipManager(this);
 213     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 214 #endif
 215
 216     m_versionControlObserver = new VersionControlObserver(this);
 217     m_versionControlObserver->setView(this);
 218     m_versionControlObserver->setModel(m_model);
 219     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 220     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 221     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 222
 223     m_twoClicksRenamingTimer = new QTimer(this);
 224     m_twoClicksRenamingTimer->setSingleShot(true);
 225     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 226
 227     applyViewProperties();
 228     m_topLayout->addWidget(m_container);
 229
 230     loadDirectory(url);
 231 }
 232
 233 DolphinView::~DolphinView()
 234 {
 235 }
 236
 237 QUrl DolphinView::url() const
 238 {
 239     return m_url;
 240 }
 241
 242 void DolphinView::setActive(bool active)
 243 {
 244     if (active == m_active) {
 245         return;
 246     }
 247
 248     m_active = active;
 249
 250     updatePalette();
 251
 252     if (active) {
 253         m_container->setFocus();
 254         Q_EMIT activated();
 255         Q_EMIT writeStateChanged(m_isFolderWritable);
 256     }
 257 }
 258
 259 bool DolphinView::isActive() const
 260 {
 261     return m_active;
 262 }
 263
 264 void DolphinView::setMode(Mode mode)
 265 {
 266     if (mode != m_mode) {
 267         ViewProperties props(viewPropertiesUrl());
 268         props.setViewMode(mode);
 269
 270         // We pass the new ViewProperties to applyViewProperties, rather than
 271         // storing them on disk and letting applyViewProperties() read them
 272         // from there, to prevent that changing the view mode fails if the
 273         // .directory file is not writable (see bug 318534).
 274         applyViewProperties(props);
 275     }
 276 }
 277
 278 DolphinView::Mode DolphinView::mode() const
 279 {
 280     return m_mode;
 281 }
 282
 283 void DolphinView::setPreviewsShown(bool show)
 284 {
 285     if (previewsShown() == show) {
 286         return;
 287     }
 288
 289     ViewProperties props(viewPropertiesUrl());
 290     props.setPreviewsShown(show);
 291
 292     const int oldZoomLevel = m_view->zoomLevel();
 293     m_view->setPreviewsShown(show);
 294     Q_EMIT previewsShownChanged(show);
 295
 296     const int newZoomLevel = m_view->zoomLevel();
 297     if (newZoomLevel != oldZoomLevel) {
 298         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 299     }
 300 }
 301
 302 bool DolphinView::previewsShown() const
 303 {
 304     return m_view->previewsShown();
 305 }
 306
 307 void DolphinView::setHiddenFilesShown(bool show)
 308 {
 309     if (m_model->showHiddenFiles() == show) {
 310         return;
 311     }
 312
 313     const KFileItemList itemList = selectedItems();
 314     m_selectedUrls.clear();
 315     m_selectedUrls = itemList.urlList();
 316
 317     ViewProperties props(viewPropertiesUrl());
 318     props.setHiddenFilesShown(show);
 319
 320     m_model->setShowHiddenFiles(show);
 321     Q_EMIT hiddenFilesShownChanged(show);
 322 }
 323
 324 bool DolphinView::hiddenFilesShown() const
 325 {
 326     return m_model->showHiddenFiles();
 327 }
 328
 329 void DolphinView::setGroupedSorting(bool grouped)
 330 {
 331     if (grouped == groupedSorting()) {
 332         return;
 333     }
 334
 335     ViewProperties props(viewPropertiesUrl());
 336     props.setGroupedSorting(grouped);
 337     props.save();
 338
 339     m_container->controller()->model()->setGroupedSorting(grouped);
 340
 341     Q_EMIT groupedSortingChanged(grouped);
 342 }
 343
 344 bool DolphinView::groupedSorting() const
 345 {
 346     return m_model->groupedSorting();
 347 }
 348
 349 KFileItemList DolphinView::items() const
 350 {
 351     KFileItemList list;
 352     const int itemCount = m_model->count();
 353     list.reserve(itemCount);
 354
 355     for (int i = 0; i < itemCount; ++i) {
 356         list.append(m_model->fileItem(i));
 357     }
 358
 359     return list;
 360 }
 361
 362 int DolphinView::itemsCount() const
 363 {
 364     return m_model->count();
 365 }
 366
 367 KFileItemList DolphinView::selectedItems() const
 368 {
 369     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 370
 371     KFileItemList selectedItems;
 372     const auto items = selectionManager->selectedItems();
 373     selectedItems.reserve(items.count());
 374     for (int index : items) {
 375         selectedItems.append(m_model->fileItem(index));
 376     }
 377     return selectedItems;
 378 }
 379
 380 int DolphinView::selectedItemsCount() const
 381 {
 382     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 383     return selectionManager->selectedItems().count();
 384 }
 385
 386 void DolphinView::markUrlsAsSelected(const QList<QUrl>& urls)
 387 {
 388     m_selectedUrls = urls;
 389 }
 390
 391 void DolphinView::markUrlAsCurrent(const QUrl &url)
 392 {
 393     m_currentItemUrl = url;
 394     m_scrollToCurrentItem = true;
 395 }
 396
 397 void DolphinView::selectItems(const QRegularExpression &regexp, bool enabled)
 398 {
 399     const KItemListSelectionManager::SelectionMode mode = enabled
 400                                                         ? KItemListSelectionManager::Select
 401                                                         : KItemListSelectionManager::Deselect;
 402     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 403
 404     for (int index = 0; index < m_model->count(); index++) {
 405         const KFileItem item = m_model->fileItem(index);
 406         if (regexp.match(item.text()).hasMatch()) {
 407             // An alternative approach would be to store the matching items in a KItemSet and
 408             // select them in one go after the loop, but we'd need a new function
 409             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 410             // for that.
 411             selectionManager->setSelected(index, 1, mode);
 412         }
 413     }
 414 }
 415
 416 void DolphinView::setZoomLevel(int level)
 417 {
 418     const int oldZoomLevel = zoomLevel();
 419     m_view->setZoomLevel(level);
 420     if (zoomLevel() != oldZoomLevel) {
 421         hideToolTip();
 422         Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
 423     }
 424 }
 425
 426 int DolphinView::zoomLevel() const
 427 {
 428     return m_view->zoomLevel();
 429 }
 430
 431 void DolphinView::setSortRole(const QByteArray& role)
 432 {
 433     if (role != sortRole()) {
 434         updateSortRole(role);
 435     }
 436 }
 437
 438 QByteArray DolphinView::sortRole() const
 439 {
 440     const KItemModelBase* model = m_container->controller()->model();
 441     return model->sortRole();
 442 }
 443
 444 void DolphinView::setSortOrder(Qt::SortOrder order)
 445 {
 446     if (sortOrder() != order) {
 447         updateSortOrder(order);
 448     }
 449 }
 450
 451 Qt::SortOrder DolphinView::sortOrder() const
 452 {
 453     return m_model->sortOrder();
 454 }
 455
 456 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 457 {
 458     if (sortFoldersFirst() != foldersFirst) {
 459         updateSortFoldersFirst(foldersFirst);
 460     }
 461 }
 462
 463 bool DolphinView::sortFoldersFirst() const
 464 {
 465     return m_model->sortDirectoriesFirst();
 466 }
 467
 468 void DolphinView::setSortHiddenLast(bool hiddenLast)
 469 {
 470     if (sortHiddenLast() != hiddenLast) {
 471         updateSortHiddenLast(hiddenLast);
 472     }
 473 }
 474
 475 bool DolphinView::sortHiddenLast() const
 476 {
 477     return m_model->sortHiddenLast();
 478 }
 479
 480 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 481 {
 482     const QList<QByteArray> previousRoles = roles;
 483
 484     ViewProperties props(viewPropertiesUrl());
 485     props.setVisibleRoles(roles);
 486
 487     m_visibleRoles = roles;
 488     m_view->setVisibleRoles(roles);
 489
 490     Q_EMIT visibleRolesChanged(m_visibleRoles, previousRoles);
 491 }
 492
 493 QList<QByteArray> DolphinView::visibleRoles() const
 494 {
 495     return m_visibleRoles;
 496 }
 497
 498 void DolphinView::reload()
 499 {
 500     QByteArray viewState;
 501     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 502     saveState(saveStream);
 503
 504     setUrl(url());
 505     loadDirectory(url(), true);
 506
 507     QDataStream restoreStream(viewState);
 508     restoreState(restoreStream);
 509 }
 510
 511 void DolphinView::readSettings()
 512 {
 513     const int oldZoomLevel = m_view->zoomLevel();
 514
 515     GeneralSettings::self()->load();
 516     m_view->readSettings();
 517     applyViewProperties();
 518
 519     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 520     m_container->controller()->setAutoActivationDelay(delay);
 521
 522     const int newZoomLevel = m_view->zoomLevel();
 523     if (newZoomLevel != oldZoomLevel) {
 524         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 525     }
 526 }
 527
 528 void DolphinView::writeSettings()
 529 {
 530     GeneralSettings::self()->save();
 531     m_view->writeSettings();
 532 }
 533
 534 void DolphinView::setNameFilter(const QString& nameFilter)
 535 {
 536     m_model->setNameFilter(nameFilter);
 537 }
 538
 539 QString DolphinView::nameFilter() const
 540 {
 541     return m_model->nameFilter();
 542 }
 543
 544 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 545 {
 546     return m_model->setMimeTypeFilters(filters);
 547 }
 548
 549 QStringList DolphinView::mimeTypeFilters() const
 550 {
 551     return m_model->mimeTypeFilters();
 552 }
 553
 554 void DolphinView::requestStatusBarText()
 555 {
 556     if (m_statJobForStatusBarText) {
 557         // Kill the pending request.
 558         m_statJobForStatusBarText->kill();
 559     }
 560
 561     if (m_container->controller()->selectionManager()->hasSelection()) {
 562         int folderCount = 0;
 563         int fileCount = 0;
 564         KIO::filesize_t totalFileSize = 0;
 565
 566         // Give a summary of the status of the selected files
 567         const KFileItemList list = selectedItems();
 568         for (const KFileItem& item : list) {
 569             if (item.isDir()) {
 570                 ++folderCount;
 571             } else {
 572                 ++fileCount;
 573                 totalFileSize += item.size();
 574             }
 575         }
 576
 577         if (folderCount + fileCount == 1) {
 578             // If only one item is selected, show info about it
 579             Q_EMIT statusBarTextChanged(list.first().getStatusBarInfo());
 580         } else {
 581             // At least 2 items are selected
 582             emitStatusBarText(folderCount, fileCount, totalFileSize, HasSelection);
 583         }
 584     } else { // has no selection
 585         if (!m_model->rootItem().url().isValid()) {
 586             return;
 587         }
 588
 589         m_statJobForStatusBarText = KIO::statDetails(m_model->rootItem().url(),
 590                         KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
 591         connect(m_statJobForStatusBarText, &KJob::result,
 592                 this, &DolphinView::slotStatJobResult);
 593         m_statJobForStatusBarText->start();
 594     }
 595 }
 596
 597 void DolphinView::emitStatusBarText(const int folderCount, const int fileCount,
 598                                     KIO::filesize_t totalFileSize, const Selection selection)
 599 {
 600     QString foldersText;
 601     QString filesText;
 602     QString summary;
 603
 604     if (selection == HasSelection) {
 605         // At least 2 items are selected because the case of 1 selected item is handled in
 606         // DolphinView::requestStatusBarText().
 607         foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 608         filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 609     } else {
 610         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 611         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 612     }
 613
 614     if (fileCount > 0 && folderCount > 0) {
 615         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 616                         foldersText, filesText,
 617                         KFormat().formatByteSize(totalFileSize));
 618     } else if (fileCount > 0) {
 619         summary = i18nc("@info:status files (size)", "%1 (%2)",
 620                         filesText,
 621                         KFormat().formatByteSize(totalFileSize));
 622     } else if (folderCount > 0) {
 623         summary = foldersText;
 624     } else {
 625         summary = i18nc("@info:status", "0 Folders, 0 Files");
 626     }
 627     Q_EMIT statusBarTextChanged(summary);
 628 }
 629
 630 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 631 {
 632     QList<QAction*> actions;
 633
 634     if (items.isEmpty()) {
 635         const KFileItem item = m_model->rootItem();
 636         if (!item.isNull()) {
 637             actions = m_versionControlObserver->actions(KFileItemList() << item);
 638         }
 639     } else {
 640         actions = m_versionControlObserver->actions(items);
 641     }
 642
 643     return actions;
 644 }
 645
 646 void DolphinView::setUrl(const QUrl& url)
 647 {
 648     if (url == m_url) {
 649         return;
 650     }
 651
 652     clearSelection();
 653
 654     m_url = url;
 655
 656     hideToolTip();
 657
 658     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 659                this, &DolphinView::slotRoleEditingFinished);
 660
 661     // It is important to clear the items from the model before
 662     // applying the view properties, otherwise expensive operations
 663     // might be done on the existing items although they get cleared
 664     // anyhow afterwards by loadDirectory().
 665     m_model->clear();
 666     applyViewProperties();
 667     loadDirectory(url);
 668
 669     Q_EMIT urlChanged(url);
 670 }
 671
 672 void DolphinView::selectAll()
 673 {
 674     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 675     selectionManager->setSelected(0, m_model->count());
 676 }
 677
 678 void DolphinView::invertSelection()
 679 {
 680     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 681     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 682 }
 683
 684 void DolphinView::clearSelection()
 685 {
 686     m_selectedUrls.clear();
 687     m_container->controller()->selectionManager()->clearSelection();
 688 }
 689
 690 void DolphinView::renameSelectedItems()
 691 {
 692     const KFileItemList items = selectedItems();
 693     if (items.isEmpty()) {
 694         return;
 695     }
 696
 697     if (items.count() == 1 && GeneralSettings::renameInline()) {
 698         const int index = m_model->index(items.first());
 699
 700         QMetaObject::Connection * const connection = new QMetaObject::Connection;
 701         *connection = connect(m_view, &KItemListView::scrollingStopped, this, [=](){
 702             QObject::disconnect(*connection);
 703             delete connection;
 704
 705             m_view->editRole(index, "text");
 706
 707             hideToolTip();
 708
 709             connect(m_view, &DolphinItemListView::roleEditingFinished,
 710                     this, &DolphinView::slotRoleEditingFinished);
 711         });
 712         m_view->scrollToItem(index);
 713
 714     } else {
 715         KIO::RenameFileDialog* dialog = new KIO::RenameFileDialog(items, this);
 716         connect(dialog, &KIO::RenameFileDialog::renamingFinished,
 717                 this, &DolphinView::slotRenameDialogRenamingFinished);
 718
 719         dialog->open();
 720     }
 721
 722     // Assure that the current index remains visible when KFileItemModel
 723     // will notify the view about changed items (which might result in
 724     // a changed sorting).
 725     m_assureVisibleCurrentIndex = true;
 726 }
 727
 728 void DolphinView::trashSelectedItems()
 729 {
 730     const QList<QUrl> list = simplifiedSelectedUrls();
 731     KIO::JobUiDelegate uiDelegate;
 732     uiDelegate.setWindow(window());
 733     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 734         KIO::Job* job = KIO::trash(list);
 735         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, QUrl(QStringLiteral("trash:/")), job);
 736         KJobWidgets::setWindow(job, this);
 737         connect(job, &KIO::Job::result,
 738                 this, &DolphinView::slotTrashFileFinished);
 739     }
 740 }
 741
 742 void DolphinView::deleteSelectedItems()
 743 {
 744     const QList<QUrl> list = simplifiedSelectedUrls();
 745
 746     KIO::JobUiDelegate uiDelegate;
 747     uiDelegate.setWindow(window());
 748     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 749         KIO::Job* job = KIO::del(list);
 750         KJobWidgets::setWindow(job, this);
 751         connect(job, &KIO::Job::result,
 752                 this, &DolphinView::slotDeleteFileFinished);
 753     }
 754 }
 755
 756 void DolphinView::cutSelectedItemsToClipboard()
 757 {
 758     QMimeData* mimeData = selectionMimeData();
 759     KIO::setClipboardDataCut(mimeData, true);
 760     QApplication::clipboard()->setMimeData(mimeData);
 761 }
 762
 763 void DolphinView::copySelectedItemsToClipboard()
 764 {
 765     QMimeData* mimeData = selectionMimeData();
 766     QApplication::clipboard()->setMimeData(mimeData);
 767 }
 768
 769 void DolphinView::copySelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 770 {
 771     KIO::CopyJob* job = KIO::copy(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 772     KJobWidgets::setWindow(job, this);
 773
 774     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 775     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotCopyingDone);
 776     KIO::FileUndoManager::self()->recordCopyJob(job);
 777 }
 778
 779 void DolphinView::moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 780 {
 781     KIO::CopyJob* job = KIO::move(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 782     KJobWidgets::setWindow(job, this);
 783
 784     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 785     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotCopyingDone);
 786     KIO::FileUndoManager::self()->recordCopyJob(job);
 787
 788 }
 789
 790 void DolphinView::paste()
 791 {
 792     pasteToUrl(url());
 793 }
 794
 795 void DolphinView::pasteIntoFolder()
 796 {
 797     const KFileItemList items = selectedItems();
 798     if ((items.count() == 1) && items.first().isDir()) {
 799         pasteToUrl(items.first().url());
 800     }
 801 }
 802
 803 void DolphinView::duplicateSelectedItems()
 804 {
 805     const KFileItemList itemList = selectedItems();
 806     if (itemList.isEmpty()) {
 807         return;
 808     }
 809
 810     const QMimeDatabase db;
 811
 812     // Duplicate all selected items and append "copy" to the end of the file name
 813     // but before the filename extension, if present
 814     QList<QUrl> newSelection;
 815     for (const auto &item : itemList) {
 816         const QUrl originalURL  = item.url();
 817         const QString originalDirectoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 818         const QString originalFileName = item.name();
 819
 820         QString extension = db.suffixForFileName(originalFileName);
 821
 822         QUrl duplicateURL = originalURL;
 823
 824         // No extension; new filename is "<oldfilename> copy"
 825         if (extension.isEmpty()) {
 826             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFileName));
 827         // There's an extension; new filename is "<oldfilename> copy.<extension>"
 828         } else {
 829             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 830             extension = QLatin1String(".") + extension;
 831             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 832             // Preserve file's original filename extension in case the casing differs
 833             // from what QMimeDatabase::suffixForFileName() returned
 834             const QString originalExtension = originalFileName.right(extension.size());
 835             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFilenameWithoutExtension) + originalExtension);
 836         }
 837
 838         KIO::CopyJob* job = KIO::copyAs(originalURL, duplicateURL);
 839         KJobWidgets::setWindow(job, this);
 840
 841         if (job) {
 842             newSelection << duplicateURL;
 843             KIO::FileUndoManager::self()->recordCopyJob(job);
 844         }
 845     }
 846
 847     forceUrlsSelection(newSelection.first(), newSelection);
 848 }
 849
 850 void DolphinView::stopLoading()
 851 {
 852     m_model->cancelDirectoryLoading();
 853 }
 854
 855 void DolphinView::updatePalette()
 856 {
 857     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 858     if (!m_active) {
 859         color.setAlpha(150);
 860     }
 861
 862     QWidget* viewport = m_container->viewport();
 863     if (viewport) {
 864         QPalette palette;
 865         palette.setColor(viewport->backgroundRole(), color);
 866         viewport->setPalette(palette);
 867     }
 868
 869     update();
 870 }
 871
 872 void DolphinView::abortTwoClicksRenaming()
 873 {
 874     m_twoClicksRenamingItemUrl.clear();
 875     m_twoClicksRenamingTimer->stop();
 876 }
 877
 878 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 879 {
 880     switch (event->type()) {
 881     case QEvent::PaletteChange:
 882         updatePalette();
 883         QPixmapCache::clear();
 884         break;
 885
 886     case QEvent::WindowActivate:
 887     case QEvent::WindowDeactivate:
 888         updatePalette();
 889         break;
 890
 891     case QEvent::KeyPress:
 892         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 893         if (GeneralSettings::useTabForSwitchingSplitView()) {
 894             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 895             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 896                 Q_EMIT toggleActiveViewRequested();
 897                 return true;
 898             }
 899         }
 900         break;
 901     case QEvent::FocusIn:
 902         if (watched == m_container) {
 903             setActive(true);
 904         }
 905         break;
 906
 907     case QEvent::GraphicsSceneDragEnter:
 908         if (watched == m_view) {
 909             m_dragging = true;
 910             abortTwoClicksRenaming();
 911         }
 912         break;
 913
 914     case QEvent::GraphicsSceneDragLeave:
 915         if (watched == m_view) {
 916             m_dragging = false;
 917         }
 918         break;
 919
 920     case QEvent::GraphicsSceneDrop:
 921         if (watched == m_view) {
 922             m_dragging = false;
 923         }
 924     default:
 925         break;
 926     }
 927
 928     return QWidget::eventFilter(watched, event);
 929 }
 930
 931 void DolphinView::wheelEvent(QWheelEvent* event)
 932 {
 933     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 934         const QPoint numDegrees = event->angleDelta() / 8;
 935         const QPoint numSteps = numDegrees / 15;
 936
 937         setZoomLevel(zoomLevel() + numSteps.y());
 938         event->accept();
 939     } else {
 940         event->ignore();
 941     }
 942 }
 943
 944 void DolphinView::hideEvent(QHideEvent* event)
 945 {
 946     hideToolTip();
 947     QWidget::hideEvent(event);
 948 }
 949
 950 bool DolphinView::event(QEvent* event)
 951 {
 952     if (event->type() == QEvent::WindowDeactivate) {
 953         /* See Bug 297355
 954          * Dolphin leaves file preview tooltips open even when is not visible.
 955          *
 956          * Hide tool-tip when Dolphin loses focus.
 957          */
 958         hideToolTip();
 959         abortTwoClicksRenaming();
 960     }
 961
 962     return QWidget::event(event);
 963 }
 964
 965 void DolphinView::activate()
 966 {
 967     setActive(true);
 968 }
 969
 970 void DolphinView::slotItemActivated(int index)
 971 {
 972     abortTwoClicksRenaming();
 973
 974     const KFileItem item = m_model->fileItem(index);
 975     if (!item.isNull()) {
 976         Q_EMIT itemActivated(item);
 977     }
 978 }
 979
 980 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 981 {
 982     Q_ASSERT(indexes.count() >= 2);
 983
 984     abortTwoClicksRenaming();
 985
 986     if (indexes.count() > 5) {
 987         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 988         const int answer = KMessageBox::warningYesNo(this, question);
 989         if (answer != KMessageBox::Yes) {
 990             return;
 991         }
 992     }
 993
 994     KFileItemList items;
 995     items.reserve(indexes.count());
 996
 997     for (int index : indexes) {
 998         KFileItem item = m_model->fileItem(index);
 999         const QUrl& url = openItemAsFolderUrl(item);
1000
1001         if (!url.isEmpty()) { // Open folders in new tabs
1002             Q_EMIT tabRequested(url);
1003         } else {
1004             items.append(item);
1005         }
1006     }
1007
1008     if (items.count() == 1) {
1009         Q_EMIT itemActivated(items.first());
1010     } else if (items.count() > 1) {
1011         Q_EMIT itemsActivated(items);
1012     }
1013 }
1014
1015 void DolphinView::slotItemMiddleClicked(int index)
1016 {
1017     const KFileItem& item = m_model->fileItem(index);
1018     const QUrl& url = openItemAsFolderUrl(item);
1019     if (!url.isEmpty()) {
1020         Q_EMIT tabRequested(url);
1021     } else if (isTabsForFilesEnabled()) {
1022         Q_EMIT tabRequested(item.url());
1023     }
1024 }
1025
1026 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
1027 {
1028     // Force emit of a selection changed signal before we request the
1029     // context menu, to update the edit-actions first. (See Bug 294013)
1030     if (m_selectionChangedTimer->isActive()) {
1031         emitSelectionChangedSignal();
1032     }
1033
1034     const KFileItem item = m_model->fileItem(index);
1035     Q_EMIT requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
1036 }
1037
1038 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
1039 {
1040     Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
1041 }
1042
1043 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
1044 {
1045     ViewProperties props(viewPropertiesUrl());
1046
1047     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
1048
1049     KItemListView* view = m_container->controller()->view();
1050     const QList<QByteArray> visibleRolesSet = view->visibleRoles();
1051
1052     bool indexingEnabled = false;
1053 #ifdef HAVE_BALOO
1054     Baloo::IndexerConfig config;
1055     indexingEnabled = config.fileIndexingEnabled();
1056 #endif
1057
1058     QString groupName;
1059     QMenu* groupMenu = nullptr;
1060
1061     // Add all roles to the menu that can be shown or hidden by the user
1062     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
1063     for (const KFileItemModel::RoleInfo& info : rolesInfo) {
1064         if (info.role == "text") {
1065             // It should not be possible to hide the "text" role
1066             continue;
1067         }
1068
1069         const QString text = m_model->roleDescription(info.role);
1070         QAction* action = nullptr;
1071         if (info.group.isEmpty()) {
1072             action = menu->addAction(text);
1073         } else {
1074             if (!groupMenu || info.group != groupName) {
1075                 groupName = info.group;
1076                 groupMenu = menu->addMenu(groupName);
1077             }
1078
1079             action = groupMenu->addAction(text);
1080         }
1081
1082         action->setCheckable(true);
1083         action->setChecked(visibleRolesSet.contains(info.role));
1084         action->setData(info.role);
1085
1086         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
1087                             (info.requiresBaloo) ||
1088                             (info.requiresIndexer && indexingEnabled);
1089         action->setEnabled(enable);
1090     }
1091
1092     menu->addSeparator();
1093
1094     QActionGroup* widthsGroup = new QActionGroup(menu);
1095     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1096
1097     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1098     autoAdjustWidthsAction->setCheckable(true);
1099     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1100     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1101
1102     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1103     customWidthsAction->setCheckable(true);
1104     customWidthsAction->setChecked(!autoColumnWidths);
1105     customWidthsAction->setActionGroup(widthsGroup);
1106
1107     QAction* action = menu->exec(pos.toPoint());
1108     if (menu && action) {
1109         KItemListHeader* header = view->header();
1110
1111         if (action == autoAdjustWidthsAction) {
1112             // Clear the column-widths from the viewproperties and turn on
1113             // the automatic resizing of the columns
1114             props.setHeaderColumnWidths(QList<int>());
1115             header->setAutomaticColumnResizing(true);
1116         } else if (action == customWidthsAction) {
1117             // Apply the current column-widths as custom column-widths and turn
1118             // off the automatic resizing of the columns
1119             QList<int> columnWidths;
1120             const auto visibleRoles = view->visibleRoles();
1121             columnWidths.reserve(visibleRoles.count());
1122             for (const QByteArray& role : visibleRoles) {
1123                 columnWidths.append(header->columnWidth(role));
1124             }
1125             props.setHeaderColumnWidths(columnWidths);
1126             header->setAutomaticColumnResizing(false);
1127         } else {
1128             // Show or hide the selected role
1129             const QByteArray selectedRole = action->data().toByteArray();
1130
1131             QList<QByteArray> visibleRoles = view->visibleRoles();
1132             if (action->isChecked()) {
1133                 visibleRoles.append(selectedRole);
1134             } else {
1135                 visibleRoles.removeOne(selectedRole);
1136             }
1137
1138             view->setVisibleRoles(visibleRoles);
1139             props.setVisibleRoles(visibleRoles);
1140
1141             QList<int> columnWidths;
1142             if (!header->automaticColumnResizing()) {
1143                 const auto visibleRoles = view->visibleRoles();
1144                 columnWidths.reserve(visibleRoles.count());
1145                 for (const QByteArray& role : visibleRoles) {
1146                     columnWidths.append(header->columnWidth(role));
1147                 }
1148             }
1149             props.setHeaderColumnWidths(columnWidths);
1150         }
1151     }
1152
1153     delete menu;
1154 }
1155
1156 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current)
1157 {
1158     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1159
1160     ViewProperties props(viewPropertiesUrl());
1161     QList<int> columnWidths = props.headerColumnWidths();
1162     if (columnWidths.count() != visibleRoles.count()) {
1163         columnWidths.clear();
1164         columnWidths.reserve(visibleRoles.count());
1165         const KItemListHeader* header = m_view->header();
1166         for (const QByteArray& role : visibleRoles) {
1167             const int width = header->columnWidth(role);
1168             columnWidths.append(width);
1169         }
1170     }
1171
1172     const int roleIndex = visibleRoles.indexOf(role);
1173     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1174     columnWidths[roleIndex] = current;
1175
1176     props.setHeaderColumnWidths(columnWidths);
1177 }
1178
1179 void DolphinView::slotItemHovered(int index)
1180 {
1181     const KFileItem item = m_model->fileItem(index);
1182
1183     if (GeneralSettings::showToolTips() && !m_dragging) {
1184         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1185         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1186         itemRect.moveTo(pos);
1187
1188 #ifdef HAVE_BALOO
1189         m_toolTipManager->showToolTip(item, itemRect, nativeParentWidget()->windowHandle());
1190 #endif
1191     }
1192
1193     Q_EMIT requestItemInfo(item);
1194 }
1195
1196 void DolphinView::slotItemUnhovered(int index)
1197 {
1198     Q_UNUSED(index)
1199     hideToolTip();
1200     Q_EMIT requestItemInfo(KFileItem());
1201 }
1202
1203 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1204 {
1205     QUrl destUrl;
1206     KFileItem destItem = m_model->fileItem(index);
1207     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1208         // Use the URL of the view as drop target if the item is no directory
1209         // or desktop-file
1210         destItem = m_model->rootItem();
1211         destUrl = url();
1212     } else {
1213         // The item represents a directory or desktop-file
1214         destUrl = destItem.mostLocalUrl();
1215     }
1216
1217     QDropEvent dropEvent(event->pos().toPoint(),
1218                          event->possibleActions(),
1219                          event->mimeData(),
1220                          event->buttons(),
1221                          event->modifiers());
1222     dropUrls(destUrl, &dropEvent, this);
1223
1224     setActive(true);
1225 }
1226
1227 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1228 {
1229     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1230
1231     if (job) {
1232         connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
1233
1234         if (destUrl == url()) {
1235             // Mark the dropped urls as selected.
1236             m_clearSelectionBeforeSelectingNewItems = true;
1237             m_markFirstNewlySelectedItemAsCurrent = true;
1238             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1239         }
1240     }
1241 }
1242
1243 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1244 {
1245     if (previous != nullptr) {
1246         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1247         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1248         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1249         m_versionControlObserver->setModel(nullptr);
1250     }
1251
1252     if (current) {
1253         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1254         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1255         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1256         m_versionControlObserver->setModel(fileItemModel);
1257     }
1258 }
1259
1260 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1261 {
1262     Q_UNUSED(itemIndex)
1263
1264     hideToolTip();
1265
1266     if (buttons & Qt::BackButton) {
1267         Q_EMIT goBackRequested();
1268     } else if (buttons & Qt::ForwardButton) {
1269         Q_EMIT goForwardRequested();
1270     }
1271 }
1272
1273 void DolphinView::slotSelectedItemTextPressed(int index)
1274 {
1275     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1276         const KFileItem item = m_model->fileItem(index);
1277         const KFileItemListProperties capabilities(KFileItemList() << item);
1278         if (capabilities.supportsMoving()) {
1279             m_twoClicksRenamingItemUrl = item.url();
1280             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1281         }
1282     }
1283 }
1284
1285 void DolphinView::slotCopyingDone(KIO::Job *, const QUrl &, const QUrl &to)
1286 {
1287     slotItemCreated(to);
1288 }
1289
1290 void DolphinView::slotItemCreated(const QUrl& url)
1291 {
1292     if (m_markFirstNewlySelectedItemAsCurrent) {
1293         markUrlAsCurrent(url);
1294         m_markFirstNewlySelectedItemAsCurrent = false;
1295     }
1296     m_selectedUrls << url;
1297 }
1298
1299 void DolphinView::slotJobResult(KJob *job)
1300 {
1301     if (job->error()) {
1302         Q_EMIT errorMessage(job->errorString());
1303     }
1304     if (!m_selectedUrls.isEmpty()) {
1305         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1306     }
1307 }
1308
1309 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1310 {
1311     const int currentCount = current.count();
1312     const int previousCount = previous.count();
1313     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1314                                        (currentCount >  0 && previousCount == 0);
1315
1316     // If nothing has been selected before and something got selected (or if something
1317     // was selected before and now nothing is selected) the selectionChangedSignal must
1318     // be emitted asynchronously as fast as possible to update the edit-actions.
1319     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1320     m_selectionChangedTimer->start();
1321 }
1322
1323 void DolphinView::emitSelectionChangedSignal()
1324 {
1325     m_selectionChangedTimer->stop();
1326     Q_EMIT selectionChanged(selectedItems());
1327 }
1328
1329 void DolphinView::slotStatJobResult(KJob *job)
1330 {
1331     int folderCount = 0;
1332     int fileCount = 0;
1333     KIO::filesize_t totalFileSize = 0;
1334     bool countFileSize = true;
1335
1336     const auto entry =  static_cast<KIO::StatJob *>(job)->statResult();
1337     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1338         // We have a precomputed value.
1339         totalFileSize = static_cast<KIO::filesize_t>(
1340                                 entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1341         countFileSize = false;
1342     }
1343
1344     const int itemCount = m_model->count();
1345     for (int i = 0; i < itemCount; ++i) {
1346         const KFileItem item = m_model->fileItem(i);
1347         if (item.isDir()) {
1348             ++folderCount;
1349         } else {
1350             ++fileCount;
1351             if (countFileSize) {
1352                 totalFileSize += item.size();
1353             }
1354         }
1355     }
1356     emitStatusBarText(folderCount, fileCount, totalFileSize, NoSelection);
1357 }
1358
1359 void DolphinView::updateSortRole(const QByteArray& role)
1360 {
1361     ViewProperties props(viewPropertiesUrl());
1362     props.setSortRole(role);
1363
1364     KItemModelBase* model = m_container->controller()->model();
1365     model->setSortRole(role);
1366
1367     Q_EMIT sortRoleChanged(role);
1368 }
1369
1370 void DolphinView::updateSortOrder(Qt::SortOrder order)
1371 {
1372     ViewProperties props(viewPropertiesUrl());
1373     props.setSortOrder(order);
1374
1375     m_model->setSortOrder(order);
1376
1377     Q_EMIT sortOrderChanged(order);
1378 }
1379
1380 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1381 {
1382     ViewProperties props(viewPropertiesUrl());
1383     props.setSortFoldersFirst(foldersFirst);
1384
1385     m_model->setSortDirectoriesFirst(foldersFirst);
1386
1387     Q_EMIT sortFoldersFirstChanged(foldersFirst);
1388 }
1389
1390 void DolphinView::updateSortHiddenLast(bool hiddenLast)
1391 {
1392     ViewProperties props(viewPropertiesUrl());
1393     props.setSortHiddenLast(hiddenLast);
1394
1395     m_model->setSortHiddenLast(hiddenLast);
1396
1397     Q_EMIT sortHiddenLastChanged(hiddenLast);
1398 }
1399
1400
1401 QPair<bool, QString> DolphinView::pasteInfo() const
1402 {
1403     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1404     QPair<bool, QString> info;
1405     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1406     return info;
1407 }
1408
1409 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1410 {
1411     m_tabsForFiles = tabsForFiles;
1412 }
1413
1414 bool DolphinView::isTabsForFilesEnabled() const
1415 {
1416     return m_tabsForFiles;
1417 }
1418
1419 bool DolphinView::itemsExpandable() const
1420 {
1421     return m_mode == DetailsView;
1422 }
1423
1424 void DolphinView::restoreState(QDataStream& stream)
1425 {
1426     // Read the version number of the view state and check if the version is supported.
1427     quint32 version = 0;
1428     stream >> version;
1429     if (version != 1) {
1430         // The version of the view state isn't supported, we can't restore it.
1431         return;
1432     }
1433
1434     // Restore the current item that had the keyboard focus
1435     stream >> m_currentItemUrl;
1436
1437     // Restore the previously selected items
1438     stream >> m_selectedUrls;
1439
1440     // Restore the view position
1441     stream >> m_restoredContentsPosition;
1442
1443     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1444     QSet<QUrl> urls;
1445     stream >> urls;
1446     m_model->restoreExpandedDirectories(urls);
1447 }
1448
1449 void DolphinView::saveState(QDataStream& stream)
1450 {
1451     stream << quint32(1); // View state version
1452
1453     // Save the current item that has the keyboard focus
1454     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1455     if (currentIndex != -1) {
1456         KFileItem item = m_model->fileItem(currentIndex);
1457         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1458         QUrl currentItemUrl = item.url();
1459         stream << currentItemUrl;
1460     } else {
1461         stream << QUrl();
1462     }
1463
1464     // Save the selected urls
1465     stream << selectedItems().urlList();
1466
1467     // Save view position
1468     const qreal x = m_container->horizontalScrollBar()->value();
1469     const qreal y = m_container->verticalScrollBar()->value();
1470     stream << QPoint(x, y);
1471
1472     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1473     stream << m_model->expandedDirectories();
1474 }
1475
1476 KFileItem DolphinView::rootItem() const
1477 {
1478     return m_model->rootItem();
1479 }
1480
1481 void DolphinView::setViewPropertiesContext(const QString& context)
1482 {
1483     m_viewPropertiesContext = context;
1484 }
1485
1486 QString DolphinView::viewPropertiesContext() const
1487 {
1488     return m_viewPropertiesContext;
1489 }
1490
1491 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1492 {
1493     if (item.isNull()) {
1494         return QUrl();
1495     }
1496
1497     QUrl url = item.targetUrl();
1498
1499     if (item.isDir()) {
1500         return url;
1501     }
1502
1503     if (item.isMimeTypeKnown()) {
1504         const QString& mimetype = item.mimetype();
1505
1506         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1507             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1508             // zip:/<path>/ when clicking on a zip file, etc.
1509             // The .protocol file specifies the mimetype that the kioslave handles.
1510             // Note that we don't use mimetype inheritance since we don't want to
1511             // open OpenDocument files as zip folders...
1512             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1513             if (!protocol.isEmpty()) {
1514                 url.setScheme(protocol);
1515                 return url;
1516             }
1517         }
1518
1519         if (mimetype == QLatin1String("application/x-desktop")) {
1520             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1521             KDesktopFile desktopFile(url.toLocalFile());
1522             if (desktopFile.hasLinkType()) {
1523                 const QString linkUrl = desktopFile.readUrl();
1524                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1525                     return QUrl::fromUserInput(linkUrl);
1526                 }
1527             }
1528         }
1529     }
1530
1531     return QUrl();
1532 }
1533
1534 void DolphinView::resetZoomLevel()
1535 {
1536     // TODO : Switch to using ViewModeSettings after MR #256 is merged
1537     int defaultIconSize = KIconLoader::SizeSmall;
1538     switch (m_mode) {
1539     case IconsView:
1540         IconsModeSettings::self()->useDefaults(true);
1541         defaultIconSize = IconsModeSettings::iconSize();
1542         IconsModeSettings::self()->useDefaults(false);
1543         break;
1544     case DetailsView:
1545         DetailsModeSettings::self()->useDefaults(true);
1546         defaultIconSize = DetailsModeSettings::iconSize();
1547         DetailsModeSettings::self()->useDefaults(false);
1548         break;
1549     case CompactView:
1550         CompactModeSettings::self()->useDefaults(true);
1551         defaultIconSize = CompactModeSettings::iconSize();
1552         CompactModeSettings::self()->useDefaults(false);
1553         break;
1554     default:
1555         Q_ASSERT(false);
1556         break;
1557     }
1558
1559     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(QSize(defaultIconSize, defaultIconSize)));
1560 }
1561
1562 void DolphinView::observeCreatedItem(const QUrl& url)
1563 {
1564     if (m_active) {
1565         forceUrlsSelection(url, {url});
1566     }
1567 }
1568
1569 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1570 {
1571     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1572         Q_EMIT redirection(oldUrl, newUrl);
1573         m_url = newUrl; // #186947
1574     }
1575 }
1576
1577 void DolphinView::updateViewState()
1578 {
1579     if (m_currentItemUrl != QUrl()) {
1580         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1581
1582         // if there is a selection already, leave it that way
1583         if (!selectionManager->hasSelection()) {
1584             const int currentIndex = m_model->index(m_currentItemUrl);
1585             if (currentIndex != -1) {
1586                 selectionManager->setCurrentItem(currentIndex);
1587
1588                 // scroll to current item and reset the state
1589                 if (m_scrollToCurrentItem) {
1590                     m_view->scrollToItem(currentIndex);
1591                     m_scrollToCurrentItem = false;
1592                 }
1593             } else {
1594                 selectionManager->setCurrentItem(0);
1595             }
1596         }
1597
1598         m_currentItemUrl = QUrl();
1599     }
1600
1601     if (!m_restoredContentsPosition.isNull()) {
1602         const int x = m_restoredContentsPosition.x();
1603         const int y = m_restoredContentsPosition.y();
1604         m_restoredContentsPosition = QPoint();
1605
1606         m_container->horizontalScrollBar()->setValue(x);
1607         m_container->verticalScrollBar()->setValue(y);
1608     }
1609
1610     if (!m_selectedUrls.isEmpty()) {
1611         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1612
1613         // if there is a selection already, leave it that way
1614         if (!selectionManager->hasSelection()) {
1615             if (m_clearSelectionBeforeSelectingNewItems) {
1616                 selectionManager->clearSelection();
1617                 m_clearSelectionBeforeSelectingNewItems = false;
1618             }
1619
1620             KItemSet selectedItems = selectionManager->selectedItems();
1621
1622             QList<QUrl>::iterator it = m_selectedUrls.begin();
1623             while (it != m_selectedUrls.end()) {
1624                 const int index = m_model->index(*it);
1625                 if (index >= 0) {
1626                     selectedItems.insert(index);
1627                     it = m_selectedUrls.erase(it);
1628                 } else {
1629                     ++it;
1630                 }
1631             }
1632
1633             selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1634             selectionManager->setSelectedItems(selectedItems);
1635         }
1636     }
1637 }
1638
1639 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1640 {
1641 #ifdef HAVE_BALOO
1642     if (GeneralSettings::showToolTips()) {
1643         m_toolTipManager->hideToolTip(behavior);
1644     }
1645 #else
1646         Q_UNUSED(behavior)
1647 #endif
1648 }
1649
1650 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1651 {
1652     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1653
1654     // verify that only one item is selected
1655     if (selectionManager->selectedItems().count() == 1) {
1656         const int index = selectionManager->currentItem();
1657         const QUrl fileItemUrl = m_model->fileItem(index).url();
1658
1659         // check if the selected item was the same item that started the twoClicksRenaming
1660         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1661             renameSelectedItems();
1662         }
1663     }
1664 }
1665
1666 void DolphinView::slotTrashFileFinished(KJob* job)
1667 {
1668     if (job->error() == 0) {
1669         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1670     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1671         Q_EMIT errorMessage(job->errorString());
1672     }
1673 }
1674
1675 void DolphinView::slotDeleteFileFinished(KJob* job)
1676 {
1677     if (job->error() == 0) {
1678         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1679     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1680         Q_EMIT errorMessage(job->errorString());
1681     }
1682 }
1683
1684 void DolphinView::slotRenamingResult(KJob* job)
1685 {
1686     if (job->error()) {
1687         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1688         Q_ASSERT(copyJob);
1689         const QUrl newUrl = copyJob->destUrl();
1690         const int index = m_model->index(newUrl);
1691         if (index >= 0) {
1692             QHash<QByteArray, QVariant> data;
1693             const QUrl oldUrl = copyJob->srcUrls().at(0);
1694             data.insert("text", oldUrl.fileName());
1695             m_model->setData(index, data);
1696         }
1697     }
1698 }
1699
1700 void DolphinView::slotDirectoryLoadingStarted()
1701 {
1702     m_loading = true;
1703     updatePlaceholderLabel();
1704
1705     // Disable the writestate temporary until it can be determined in a fast way
1706     // in DolphinView::slotDirectoryLoadingCompleted()
1707     if (m_isFolderWritable) {
1708         m_isFolderWritable = false;
1709         Q_EMIT writeStateChanged(m_isFolderWritable);
1710     }
1711
1712     Q_EMIT directoryLoadingStarted();
1713 }
1714
1715 void DolphinView::slotDirectoryLoadingCompleted()
1716 {
1717     m_loading = false;
1718
1719     // Update the view-state. This has to be done asynchronously
1720     // because the view might not be in its final state yet.
1721     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1722
1723     // Update the placeholder label in case we found that the folder was empty
1724     // after loading it
1725
1726     Q_EMIT directoryLoadingCompleted();
1727
1728     updatePlaceholderLabel();
1729     updateWritableState();
1730 }
1731
1732 void DolphinView::slotDirectoryLoadingCanceled()
1733 {
1734     m_loading = false;
1735
1736     updatePlaceholderLabel();
1737
1738     Q_EMIT directoryLoadingCanceled();
1739 }
1740
1741 void DolphinView::slotItemsChanged()
1742 {
1743     m_assureVisibleCurrentIndex = false;
1744 }
1745
1746 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1747 {
1748     Q_UNUSED(previous)
1749     Q_ASSERT(m_model->sortOrder() == current);
1750
1751     ViewProperties props(viewPropertiesUrl());
1752     props.setSortOrder(current);
1753
1754     Q_EMIT sortOrderChanged(current);
1755 }
1756
1757 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1758 {
1759     Q_UNUSED(previous)
1760     Q_ASSERT(m_model->sortRole() == current);
1761
1762     ViewProperties props(viewPropertiesUrl());
1763     props.setSortRole(current);
1764
1765     Q_EMIT sortRoleChanged(current);
1766 }
1767
1768 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1769                                                   const QList<QByteArray>& previous)
1770 {
1771     Q_UNUSED(previous)
1772     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1773
1774     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1775
1776     m_visibleRoles = current;
1777
1778     ViewProperties props(viewPropertiesUrl());
1779     props.setVisibleRoles(m_visibleRoles);
1780
1781     Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1782 }
1783
1784 void DolphinView::slotRoleEditingCanceled()
1785 {
1786     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1787                this, &DolphinView::slotRoleEditingFinished);
1788 }
1789
1790 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1791 {
1792     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1793                this, &DolphinView::slotRoleEditingFinished);
1794
1795     const KFileItemList items = selectedItems();
1796     if (items.count() != 1) {
1797         return;
1798     }
1799
1800     if (role == "text") {
1801         const KFileItem oldItem = items.first();
1802         const EditResult retVal = value.value<EditResult>();
1803         const QString newName = retVal.newName;
1804         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1805             const QUrl oldUrl = oldItem.url();
1806
1807             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1808             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1809
1810 #ifndef Q_OS_WIN
1811             //Confirm hiding file/directory by renaming inline
1812             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1813                 KGuiItem yesGuiItem(KStandardGuiItem::yes());
1814                 yesGuiItem.setText(i18nc("@action:button", "Rename and Hide"));
1815
1816                 const auto code = KMessageBox::questionYesNo(this,
1817                                                              oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1818                                                                                      "Do you still want to rename it?")
1819                                                                               : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1820                                                                                      "Do you still want to rename it?"),
1821                                                              oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
1822                                                              yesGuiItem,
1823                                                              KStandardGuiItem::cancel(),
1824                                                              QStringLiteral("ConfirmHide")
1825                                                             );
1826
1827                 if (code == KMessageBox::No) {
1828                    return;
1829                 }
1830             }
1831 #endif
1832
1833             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1834             if (!newNameExistsAlready && m_model->index(oldUrl) == index) {
1835                 // Only change the data in the model if no item with the new name
1836                 // is in the model yet. If there is an item with the new name
1837                 // already, calling KIO::CopyJob will open a dialog
1838                 // asking for a new name, and KFileItemModel will update the
1839                 // data when the dir lister signals that the file name has changed.
1840                 QHash<QByteArray, QVariant> data;
1841                 data.insert(role, retVal.newName);
1842                 m_model->setData(index, data);
1843             }
1844
1845             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1846             KJobWidgets::setWindow(job, this);
1847             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1848             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
1849
1850             forceUrlsSelection(newUrl, {newUrl});
1851
1852             if (!newNameExistsAlready) {
1853                 // Only connect the result signal if there is no item with the new name
1854                 // in the model yet, see bug 328262.
1855                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1856             }
1857         }
1858         if (retVal.direction != EditDone) {
1859             const short indexShift = retVal.direction == EditNext ? 1 : -1;
1860             m_container->controller()->selectionManager()->setSelected(index, 1, KItemListSelectionManager::Deselect);
1861             m_container->controller()->selectionManager()->setSelected(index + indexShift, 1,
1862                     KItemListSelectionManager::Select);
1863             renameSelectedItems();
1864         }
1865     }
1866 }
1867
1868 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1869 {
1870     if (!url.isValid()) {
1871         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1872         if (location.isEmpty()) {
1873             Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."));
1874         } else {
1875             Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1876         }
1877         return;
1878     }
1879
1880     if (reload) {
1881         m_model->refreshDirectory(url);
1882     } else {
1883         m_model->loadDirectory(url);
1884     }
1885 }
1886
1887 void DolphinView::applyViewProperties()
1888 {
1889     const ViewProperties props(viewPropertiesUrl());
1890     applyViewProperties(props);
1891 }
1892
1893 void DolphinView::applyViewProperties(const ViewProperties& props)
1894 {
1895     m_view->beginTransaction();
1896
1897     const Mode mode = props.viewMode();
1898     if (m_mode != mode) {
1899         const Mode previousMode = m_mode;
1900         m_mode = mode;
1901
1902         // Changing the mode might result in changing
1903         // the zoom level. Remember the old zoom level so
1904         // that zoomLevelChanged() can get emitted.
1905         const int oldZoomLevel = m_view->zoomLevel();
1906         applyModeToView();
1907
1908         Q_EMIT modeChanged(m_mode, previousMode);
1909
1910         if (m_view->zoomLevel() != oldZoomLevel) {
1911             Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1912         }
1913     }
1914
1915     const bool hiddenFilesShown = props.hiddenFilesShown();
1916     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1917         m_model->setShowHiddenFiles(hiddenFilesShown);
1918         Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
1919     }
1920
1921     const bool groupedSorting = props.groupedSorting();
1922     if (groupedSorting != m_model->groupedSorting()) {
1923         m_model->setGroupedSorting(groupedSorting);
1924         Q_EMIT groupedSortingChanged(groupedSorting);
1925     }
1926
1927     const QByteArray sortRole = props.sortRole();
1928     if (sortRole != m_model->sortRole()) {
1929         m_model->setSortRole(sortRole);
1930         Q_EMIT sortRoleChanged(sortRole);
1931     }
1932
1933     const Qt::SortOrder sortOrder = props.sortOrder();
1934     if (sortOrder != m_model->sortOrder()) {
1935         m_model->setSortOrder(sortOrder);
1936         Q_EMIT sortOrderChanged(sortOrder);
1937     }
1938
1939     const bool sortFoldersFirst = props.sortFoldersFirst();
1940     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1941         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1942         Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
1943     }
1944
1945     const bool sortHiddenLast = props.sortHiddenLast();
1946     if (sortHiddenLast != m_model->sortHiddenLast()) {
1947         m_model->setSortHiddenLast(sortHiddenLast);
1948         Q_EMIT sortHiddenLastChanged(sortHiddenLast);
1949     }
1950
1951     const QList<QByteArray> visibleRoles = props.visibleRoles();
1952     if (visibleRoles != m_visibleRoles) {
1953         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1954         m_visibleRoles = visibleRoles;
1955         m_view->setVisibleRoles(visibleRoles);
1956         Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1957     }
1958
1959     const bool previewsShown = props.previewsShown();
1960     if (previewsShown != m_view->previewsShown()) {
1961         const int oldZoomLevel = zoomLevel();
1962
1963         m_view->setPreviewsShown(previewsShown);
1964         Q_EMIT previewsShownChanged(previewsShown);
1965
1966         // Changing the preview-state might result in a changed zoom-level
1967         if (oldZoomLevel != zoomLevel()) {
1968             Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
1969         }
1970     }
1971
1972     KItemListView* itemListView = m_container->controller()->view();
1973     if (itemListView->isHeaderVisible()) {
1974         KItemListHeader* header = itemListView->header();
1975         const QList<int> headerColumnWidths = props.headerColumnWidths();
1976         const int rolesCount = m_visibleRoles.count();
1977         if (headerColumnWidths.count() == rolesCount) {
1978             header->setAutomaticColumnResizing(false);
1979
1980             QHash<QByteArray, qreal> columnWidths;
1981             for (int i = 0; i < rolesCount; ++i) {
1982                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1983             }
1984             header->setColumnWidths(columnWidths);
1985         } else {
1986             header->setAutomaticColumnResizing(true);
1987         }
1988     }
1989
1990     m_view->endTransaction();
1991 }
1992
1993 void DolphinView::applyModeToView()
1994 {
1995     switch (m_mode) {
1996     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1997     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1998     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1999     default: Q_ASSERT(false); break;
2000     }
2001 }
2002
2003 void DolphinView::pasteToUrl(const QUrl& url)
2004 {
2005     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
2006     KJobWidgets::setWindow(job, this);
2007     m_clearSelectionBeforeSelectingNewItems = true;
2008     m_markFirstNewlySelectedItemAsCurrent = true;
2009     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
2010     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotJobResult);
2011 }
2012
2013 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
2014 {
2015     QList<QUrl> urls;
2016
2017     const KFileItemList items = selectedItems();
2018     urls.reserve(items.count());
2019     for (const KFileItem& item : items) {
2020         urls.append(item.url());
2021     }
2022
2023     if (itemsExpandable()) {
2024         // TODO: Check if we still need KDirModel for this in KDE 5.0
2025         urls = KDirModel::simplifiedUrlList(urls);
2026     }
2027
2028     return urls;
2029 }
2030
2031 QMimeData* DolphinView::selectionMimeData() const
2032 {
2033     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
2034     const KItemSet selectedIndexes = selectionManager->selectedItems();
2035
2036     return m_model->createMimeData(selectedIndexes);
2037 }
2038
2039 void DolphinView::updateWritableState()
2040 {
2041     const bool wasFolderWritable = m_isFolderWritable;
2042     m_isFolderWritable = false;
2043
2044     KFileItem item = m_model->rootItem();
2045     if (item.isNull()) {
2046         // Try to find out if the URL is writable even if the "root item" is
2047         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
2048         item = KFileItem(url());
2049         item.setDelayedMimeTypes(true);
2050     }
2051
2052     KFileItemListProperties capabilities(KFileItemList() << item);
2053     m_isFolderWritable = capabilities.supportsWriting();
2054
2055     if (m_isFolderWritable != wasFolderWritable) {
2056         Q_EMIT writeStateChanged(m_isFolderWritable);
2057     }
2058 }
2059
2060 QUrl DolphinView::viewPropertiesUrl() const
2061 {
2062     if (m_viewPropertiesContext.isEmpty()) {
2063         return m_url;
2064     }
2065
2066     QUrl url;
2067     url.setScheme(m_url.scheme());
2068     url.setPath(m_viewPropertiesContext);
2069     return url;
2070 }
2071
2072 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl>& urls)
2073 {
2074     forceUrlsSelection(urls.first(), urls);
2075 }
2076
2077 void DolphinView::forceUrlsSelection(const QUrl& current, const QList<QUrl>& selected)
2078 {
2079     clearSelection();
2080     m_clearSelectionBeforeSelectingNewItems = true;
2081     markUrlAsCurrent(current);
2082     markUrlsAsSelected(selected);
2083 }
2084
2085 void DolphinView::copyPathToClipboard()
2086 {
2087     const KFileItemList list = selectedItems();
2088     if (list.isEmpty()) {
2089         return;
2090     }
2091     const KFileItem& item = list.at(0);
2092     QString path = item.localPath();
2093     if (path.isEmpty()) {
2094         path = item.url().toDisplayString();
2095     }
2096     QClipboard* clipboard = QApplication::clipboard();
2097     if (clipboard == nullptr) {
2098         return;
2099     }
2100     clipboard->setText(path);
2101 }
2102
2103 void DolphinView::slotIncreaseZoom()
2104 {
2105     setZoomLevel(zoomLevel() + 1);
2106 }
2107
2108 void DolphinView::slotDecreaseZoom()
2109 {
2110     setZoomLevel(zoomLevel() - 1);
2111 }
2112
2113 void DolphinView::slotSwipeUp()
2114 {
2115     Q_EMIT goUpRequested();
2116 }
2117
2118 void DolphinView::showLoadingPlaceholder()
2119 {
2120     m_placeholderLabel->setText(i18n("Loading..."));
2121     m_placeholderLabel->setVisible(true);
2122 }
2123
2124 void DolphinView::updatePlaceholderLabel()
2125 {
2126     m_showLoadingPlaceholderTimer->stop();
2127     if (itemsCount() > 0) {
2128         m_placeholderLabel->setVisible(false);
2129         return;
2130     }
2131
2132     if (m_loading) {
2133         m_placeholderLabel->setVisible(false);
2134         m_showLoadingPlaceholderTimer->start();
2135         return;
2136     }
2137
2138     if (!nameFilter().isEmpty()) {
2139         m_placeholderLabel->setText(i18n("No items matching the filter"));
2140     } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
2141         m_placeholderLabel->setText(i18n("No items matching the search"));
2142     } else if (m_url.scheme() == QLatin1String("trash") && m_url.path() == QLatin1String("/")) {
2143         m_placeholderLabel->setText(i18n("Trash is empty"));
2144     } else if (m_url.scheme() == QLatin1String("tags")) {
2145         m_placeholderLabel->setText(i18n("No tags"));
2146     } else if (m_url.scheme() == QLatin1String("recentlyused")) {
2147         m_placeholderLabel->setText(i18n("No recently used items"));
2148     } else if (m_url.scheme() == QLatin1String("smb")) {
2149         m_placeholderLabel->setText(i18n("No shared folders found"));
2150     } else if (m_url.scheme() == QLatin1String("network")) {
2151         m_placeholderLabel->setText(i18n("No relevant network resources found"));
2152     } else if (m_url.scheme() == QLatin1String("mtp") && m_url.path() == QLatin1String("/")) {
2153         m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
2154     } else if (m_url.scheme() == QLatin1String("bluetooth")) {
2155         m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
2156     } else {
2157         m_placeholderLabel->setText(i18n("Folder is empty"));
2158     }
2159
2160     m_placeholderLabel->setVisible(true);
2161 }