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_detailsmodesettings.h"
  11 #include "dolphin_generalsettings.h"
  12 #include "dolphinitemlistview.h"
  13 #include "dolphinnewfilemenuobserver.h"
  14 #include "draganddrophelper.h"
  15 #include "kitemviews/kfileitemlistview.h"
  16 #include "kitemviews/kfileitemmodel.h"
  17 #include "kitemviews/kitemlistcontainer.h"
  18 #include "kitemviews/kitemlistcontroller.h"
  19 #include "kitemviews/kitemlistheader.h"
  20 #include "kitemviews/kitemlistselectionmanager.h"
  21 #include "kitemviews/private/kitemlistroleeditor.h"
  22 #include "selectionmode/singleclickselectionproxystyle.h"
  23 #include "settings/viewmodes/viewmodesettings.h"
  24 #include "versioncontrol/versioncontrolobserver.h"
  25 #include "viewproperties.h"
  26 #include "views/tooltips/tooltipmanager.h"
  27 #include "zoomlevelinfo.h"
  28
  29 #if 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/DeleteOrTrashJob>
  39 #include <KIO/DropJob>
  40 #include <KIO/JobUiDelegate>
  41 #include <KIO/Paste>
  42 #include <KIO/PasteJob>
  43 #include <KIO/RenameFileDialog>
  44 #include <KJobWidgets>
  45 #include <KLocalizedString>
  46 #include <KMessageBox>
  47 #include <KProtocolManager>
  48 #include <KUrlMimeData>
  49
  50 #include <kwidgetsaddons_version.h>
  51
  52 #include <QAbstractItemView>
  53 #include <QActionGroup>
  54 #include <QApplication>
  55 #include <QClipboard>
  56 #include <QDropEvent>
  57 #include <QGraphicsOpacityEffect>
  58 #include <QGraphicsSceneDragDropEvent>
  59 #include <QLabel>
  60 #include <QMenu>
  61 #include <QMimeDatabase>
  62 #include <QPixmapCache>
  63 #include <QScrollBar>
  64 #include <QSize>
  65 #include <QTimer>
  66 #include <QToolTip>
  67 #include <QVBoxLayout>
  68
  69 DolphinView::DolphinView(const QUrl &url, QWidget *parent)
  70     : QWidget(parent)
  71     , m_active(true)
  72     , m_tabsForFiles(false)
  73     , m_assureVisibleCurrentIndex(false)
  74     , m_isFolderWritable(true)
  75     , m_dragging(false)
  76     , m_selectNextItem(false)
  77     , m_url(url)
  78     , m_viewPropertiesContext()
  79     , m_mode(DolphinView::IconsView)
  80     , m_visibleRoles()
  81     , m_topLayout(nullptr)
  82     , m_model(nullptr)
  83     , m_view(nullptr)
  84     , m_container(nullptr)
  85     , m_toolTipManager(nullptr)
  86     , m_selectionChangedTimer(nullptr)
  87     , m_currentItemUrl()
  88     , m_scrollToCurrentItem(false)
  89     , m_restoredContentsPosition()
  90     , m_controlWheelAccumulatedDelta(0)
  91     , m_selectedUrls()
  92     , m_clearSelectionBeforeSelectingNewItems(false)
  93     , m_markFirstNewlySelectedItemAsCurrent(false)
  94     , m_versionControlObserver(nullptr)
  95     , m_twoClicksRenamingTimer(nullptr)
  96     , m_placeholderLabel(nullptr)
  97     , m_showLoadingPlaceholderTimer(nullptr)
  98 {
  99     m_topLayout = new QVBoxLayout(this);
 100     m_topLayout->setSpacing(0);
 101     m_topLayout->setContentsMargins(0, 0, 0, 0);
 102
 103     // When a new item has been created by the "Create New..." menu, the item should
 104     // get selected and it must be assured that the item will get visible. As the
 105     // creation is done asynchronously, several signals must be checked:
 106     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated, this, &DolphinView::observeCreatedItem);
 107
 108     m_selectionChangedTimer = new QTimer(this);
 109     m_selectionChangedTimer->setSingleShot(true);
 110     m_selectionChangedTimer->setInterval(300);
 111     connect(m_selectionChangedTimer, &QTimer::timeout, this, &DolphinView::emitSelectionChangedSignal);
 112
 113     m_model = new KFileItemModel(this);
 114     m_view = new DolphinItemListView();
 115     m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::FollowSetting);
 116     m_view->setVisibleRoles({"text"});
 117     applyModeToView();
 118
 119     KItemListController *controller = new KItemListController(m_model, m_view, this);
 120     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 121     controller->setAutoActivationDelay(delay);
 122     connect(controller, &KItemListController::doubleClickViewBackground, this, &DolphinView::doubleClickViewBackground);
 123
 124     // The EnlargeSmallPreviews setting can only be changed after the model
 125     // has been set in the view by KItemListController.
 126     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 127
 128     m_container = new KItemListContainer(controller, this);
 129     m_container->installEventFilter(this);
 130 #ifndef QT_NO_ACCESSIBILITY
 131     m_view->setAccessibleParentsObject(m_container);
 132 #endif
 133     setFocusProxy(m_container);
 134     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, [=] {
 135         hideToolTip();
 136     });
 137     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, [=] {
 138         hideToolTip();
 139     });
 140
 141     m_showLoadingPlaceholderTimer = new QTimer(this);
 142     m_showLoadingPlaceholderTimer->setInterval(500);
 143     m_showLoadingPlaceholderTimer->setSingleShot(true);
 144     connect(m_showLoadingPlaceholderTimer, &QTimer::timeout, this, &DolphinView::showLoadingPlaceholder);
 145
 146     // Show some placeholder text for empty folders
 147     // This is made using a heavily-modified QLabel rather than a KTitleWidget
 148     // because KTitleWidget can't be told to turn off mouse-selectable text
 149     m_placeholderLabel = new QLabel(this);
 150     // Don't consume mouse events
 151     m_placeholderLabel->setAttribute(Qt::WA_TransparentForMouseEvents);
 152
 153     QFont placeholderLabelFont;
 154     // To match the size of a level 2 Heading/KTitleWidget
 155     placeholderLabelFont.setPointSize(qRound(placeholderLabelFont.pointSize() * 1.3));
 156     m_placeholderLabel->setFont(placeholderLabelFont);
 157     m_placeholderLabel->setWordWrap(true);
 158     m_placeholderLabel->setAlignment(Qt::AlignCenter);
 159     // Match opacity of QML placeholder label component
 160     auto *effect = new QGraphicsOpacityEffect(m_placeholderLabel);
 161     effect->setOpacity(0.5);
 162     m_placeholderLabel->setGraphicsEffect(effect);
 163     // Set initial text and visibility
 164     updatePlaceholderLabel();
 165
 166     auto *centeringLayout = new QVBoxLayout(m_container);
 167     centeringLayout->addWidget(m_placeholderLabel);
 168     centeringLayout->setAlignment(m_placeholderLabel, Qt::AlignCenter);
 169
 170     controller->setSelectionBehavior(KItemListController::MultiSelection);
 171     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 172     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 173     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 174     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 175     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 176     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 177     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 178     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 179     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 180     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 181     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 182     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 183     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 184     connect(controller, &KItemListController::increaseZoom, this, &DolphinView::slotIncreaseZoom);
 185     connect(controller, &KItemListController::decreaseZoom, this, &DolphinView::slotDecreaseZoom);
 186     connect(controller, &KItemListController::swipeUp, this, &DolphinView::slotSwipeUp);
 187     connect(controller, &KItemListController::selectionModeChangeRequested, this, &DolphinView::selectionModeChangeRequested);
 188
 189     connect(m_model, &KFileItemModel::directoryLoadingStarted, this, &DolphinView::slotDirectoryLoadingStarted);
 190     connect(m_model, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
 191     connect(m_model, &KFileItemModel::directoryLoadingCanceled, this, &DolphinView::slotDirectoryLoadingCanceled);
 192     connect(m_model, &KFileItemModel::directoryLoadingProgress, this, &DolphinView::directoryLoadingProgress);
 193     connect(m_model, &KFileItemModel::directorySortingProgress, this, &DolphinView::directorySortingProgress);
 194     connect(m_model, &KFileItemModel::itemsChanged, this, &DolphinView::slotItemsChanged);
 195     connect(m_model, &KFileItemModel::itemsRemoved, this, &DolphinView::itemCountChanged);
 196     connect(m_model, &KFileItemModel::itemsInserted, this, &DolphinView::itemCountChanged);
 197     connect(m_model, &KFileItemModel::infoMessage, this, &DolphinView::infoMessage);
 198     connect(m_model, &KFileItemModel::errorMessage, this, &DolphinView::errorMessage);
 199     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 200     connect(m_model, &KFileItemModel::urlIsFileError, this, &DolphinView::urlIsFileError);
 201     connect(m_model, &KFileItemModel::fileItemsChanged, this, &DolphinView::fileItemsChanged);
 202     // #473377: Use a QueuedConnection to avoid modifying KCoreDirLister before KCoreDirListerCache::deleteDir() returns.
 203     connect(m_model, &KFileItemModel::currentDirectoryRemoved, this, &DolphinView::currentDirectoryRemoved, Qt::QueuedConnection);
 204
 205     connect(this, &DolphinView::itemCountChanged, this, &DolphinView::updatePlaceholderLabel);
 206
 207     m_view->installEventFilter(this);
 208     connect(m_view, &DolphinItemListView::sortOrderChanged, this, &DolphinView::slotSortOrderChangedByHeader);
 209     connect(m_view, &DolphinItemListView::sortRoleChanged, this, &DolphinView::slotSortRoleChangedByHeader);
 210     connect(m_view, &DolphinItemListView::visibleRolesChanged, this, &DolphinView::slotVisibleRolesChangedByHeader);
 211     connect(m_view, &DolphinItemListView::roleEditingCanceled, this, &DolphinView::slotRoleEditingCanceled);
 212
 213     connect(m_view, &DolphinItemListView::columnHovered, this, [this](int columnIndex) {
 214         m_hoveredColumnHeaderIndex = columnIndex;
 215     });
 216     connect(m_view, &DolphinItemListView::columnUnHovered, this, [this](int /* columnIndex */) {
 217         m_hoveredColumnHeaderIndex = std::nullopt;
 218     });
 219     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished, this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 220     connect(m_view->header(), &KItemListHeader::sidePaddingChanged, this, &DolphinView::slotSidePaddingWidthChanged);
 221
 222     KItemListSelectionManager *selectionManager = controller->selectionManager();
 223     connect(selectionManager, &KItemListSelectionManager::selectionChanged, this, &DolphinView::slotSelectionChanged);
 224
 225 #if HAVE_BALOO
 226     m_toolTipManager = new ToolTipManager(this);
 227     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 228 #endif
 229
 230     m_versionControlObserver = new VersionControlObserver(this);
 231     m_versionControlObserver->setView(this);
 232     m_versionControlObserver->setModel(m_model);
 233     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 234     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, [this](const QString &message) {
 235         Q_EMIT errorMessage(message, KIO::ERR_UNKNOWN);
 236     });
 237     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 238
 239     m_twoClicksRenamingTimer = new QTimer(this);
 240     m_twoClicksRenamingTimer->setSingleShot(true);
 241     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 242
 243     applyViewProperties();
 244     m_topLayout->addWidget(m_container);
 245
 246     loadDirectory(url);
 247 }
 248
 249 DolphinView::~DolphinView()
 250 {
 251     disconnect(m_container->controller(), &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 252 }
 253
 254 QUrl DolphinView::url() const
 255 {
 256     return m_url;
 257 }
 258
 259 void DolphinView::setActive(bool active)
 260 {
 261     if (active == m_active) {
 262         return;
 263     }
 264
 265     m_active = active;
 266
 267     updatePalette();
 268
 269     if (active) {
 270         m_container->setFocus();
 271         Q_EMIT activated();
 272     }
 273 }
 274
 275 bool DolphinView::isActive() const
 276 {
 277     return m_active;
 278 }
 279
 280 void DolphinView::setViewMode(Mode mode)
 281 {
 282     if (mode != m_mode) {
 283         // Reset scrollbars before changing the view mode.
 284         m_container->horizontalScrollBar()->setValue(0);
 285         m_container->verticalScrollBar()->setValue(0);
 286
 287         ViewProperties props(viewPropertiesUrl());
 288         props.setViewMode(mode);
 289
 290         // We pass the new ViewProperties to applyViewProperties, rather than
 291         // storing them on disk and letting applyViewProperties() read them
 292         // from there, to prevent that changing the view mode fails if the
 293         // .directory file is not writable (see bug 318534).
 294         applyViewProperties(props);
 295     }
 296 }
 297
 298 DolphinView::Mode DolphinView::viewMode() const
 299 {
 300     return m_mode;
 301 }
 302
 303 void DolphinView::setSelectionModeEnabled(const bool enabled)
 304 {
 305     if (enabled) {
 306         if (!m_proxyStyle) {
 307             m_proxyStyle = std::make_unique<SelectionMode::SingleClickSelectionProxyStyle>();
 308         }
 309         setStyle(m_proxyStyle.get());
 310         m_view->setStyle(m_proxyStyle.get());
 311         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::False);
 312     } else {
 313         setStyle(nullptr);
 314         m_view->setStyle(nullptr);
 315         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::FollowSetting);
 316     }
 317     m_container->controller()->setSelectionModeEnabled(enabled);
 318 }
 319
 320 bool DolphinView::selectionMode() const
 321 {
 322     return m_container->controller()->selectionMode();
 323 }
 324
 325 void DolphinView::setPreviewsShown(bool show)
 326 {
 327     if (previewsShown() == show) {
 328         return;
 329     }
 330
 331     ViewProperties props(viewPropertiesUrl());
 332     props.setPreviewsShown(show);
 333
 334     const int oldZoomLevel = m_view->zoomLevel();
 335     m_view->setPreviewsShown(show);
 336     Q_EMIT previewsShownChanged(show);
 337
 338     const int newZoomLevel = m_view->zoomLevel();
 339     if (newZoomLevel != oldZoomLevel) {
 340         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 341     }
 342 }
 343
 344 bool DolphinView::previewsShown() const
 345 {
 346     return m_view->previewsShown();
 347 }
 348
 349 void DolphinView::setHiddenFilesShown(bool show)
 350 {
 351     if (m_model->showHiddenFiles() == show) {
 352         return;
 353     }
 354
 355     const KFileItemList itemList = selectedItems();
 356     m_selectedUrls.clear();
 357     m_selectedUrls = itemList.urlList();
 358
 359     ViewProperties props(viewPropertiesUrl());
 360     props.setHiddenFilesShown(show);
 361
 362     m_model->setShowHiddenFiles(show);
 363     Q_EMIT hiddenFilesShownChanged(show);
 364 }
 365
 366 bool DolphinView::hiddenFilesShown() const
 367 {
 368     return m_model->showHiddenFiles();
 369 }
 370
 371 void DolphinView::setGroupedSorting(bool grouped)
 372 {
 373     if (grouped == groupedSorting()) {
 374         return;
 375     }
 376
 377     ViewProperties props(viewPropertiesUrl());
 378     props.setGroupedSorting(grouped);
 379     props.save();
 380
 381     m_container->controller()->model()->setGroupedSorting(grouped);
 382
 383     Q_EMIT groupedSortingChanged(grouped);
 384 }
 385
 386 bool DolphinView::groupedSorting() const
 387 {
 388     return m_model->groupedSorting();
 389 }
 390
 391 KFileItemList DolphinView::items() const
 392 {
 393     KFileItemList list;
 394     const int itemCount = m_model->count();
 395     list.reserve(itemCount);
 396
 397     for (int i = 0; i < itemCount; ++i) {
 398         list.append(m_model->fileItem(i));
 399     }
 400
 401     return list;
 402 }
 403
 404 int DolphinView::itemsCount() const
 405 {
 406     return m_model->count();
 407 }
 408
 409 KFileItemList DolphinView::selectedItems() const
 410 {
 411     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 412
 413     KFileItemList selectedItems;
 414     const auto items = selectionManager->selectedItems();
 415     selectedItems.reserve(items.count());
 416     for (int index : items) {
 417         selectedItems.append(m_model->fileItem(index));
 418     }
 419     return selectedItems;
 420 }
 421
 422 int DolphinView::selectedItemsCount() const
 423 {
 424     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 425     return selectionManager->selectedItems().count();
 426 }
 427
 428 void DolphinView::markUrlsAsSelected(const QList<QUrl> &urls)
 429 {
 430     m_selectedUrls = urls;
 431     m_selectJobCreatedItems = false;
 432 }
 433
 434 void DolphinView::markUrlAsCurrent(const QUrl &url)
 435 {
 436     m_currentItemUrl = url;
 437     m_scrollToCurrentItem = true;
 438 }
 439
 440 void DolphinView::selectItems(const QRegularExpression &regexp, bool enabled)
 441 {
 442     const KItemListSelectionManager::SelectionMode mode = enabled ? KItemListSelectionManager::Select : KItemListSelectionManager::Deselect;
 443     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 444
 445     for (int index = 0; index < m_model->count(); index++) {
 446         const KFileItem item = m_model->fileItem(index);
 447         if (regexp.match(item.text()).hasMatch()) {
 448             // An alternative approach would be to store the matching items in a KItemSet and
 449             // select them in one go after the loop, but we'd need a new function
 450             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 451             // for that.
 452             selectionManager->setSelected(index, 1, mode);
 453         }
 454     }
 455 }
 456
 457 void DolphinView::setZoomLevel(int level)
 458 {
 459     const int oldZoomLevel = zoomLevel();
 460     m_view->setZoomLevel(level);
 461     if (zoomLevel() != oldZoomLevel) {
 462         hideToolTip();
 463         Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
 464     }
 465 }
 466
 467 int DolphinView::zoomLevel() const
 468 {
 469     return m_view->zoomLevel();
 470 }
 471
 472 void DolphinView::setSortRole(const QByteArray &role)
 473 {
 474     if (role != sortRole()) {
 475         ViewProperties props(viewPropertiesUrl());
 476         props.setSortRole(role);
 477
 478         KItemModelBase *model = m_container->controller()->model();
 479         model->setSortRole(role);
 480
 481         Q_EMIT sortRoleChanged(role);
 482     }
 483 }
 484
 485 QByteArray DolphinView::sortRole() const
 486 {
 487     const KItemModelBase *model = m_container->controller()->model();
 488     return model->sortRole();
 489 }
 490
 491 void DolphinView::setSortOrder(Qt::SortOrder order)
 492 {
 493     if (sortOrder() != order) {
 494         ViewProperties props(viewPropertiesUrl());
 495         props.setSortOrder(order);
 496
 497         m_model->setSortOrder(order);
 498
 499         Q_EMIT sortOrderChanged(order);
 500     }
 501 }
 502
 503 Qt::SortOrder DolphinView::sortOrder() const
 504 {
 505     return m_model->sortOrder();
 506 }
 507
 508 void DolphinView::setGroupRole(const QByteArray &role)
 509 {
 510     if (role != groupRole()) {
 511         ViewProperties props(viewPropertiesUrl());
 512         props.setGroupRole(role);
 513
 514         KItemModelBase *model = m_container->controller()->model();
 515         model->setGroupRole(role);
 516
 517         Q_EMIT groupRoleChanged(role);
 518     }
 519 }
 520
 521 QByteArray DolphinView::groupRole() const
 522 {
 523     const KItemModelBase *model = m_container->controller()->model();
 524     return model->groupRole();
 525 }
 526
 527 void DolphinView::setGroupOrder(Qt::SortOrder order)
 528 {
 529     if (groupOrder() != order) {
 530         ViewProperties props(viewPropertiesUrl());
 531         props.setGroupOrder(order);
 532
 533         m_model->setGroupOrder(order);
 534
 535         Q_EMIT groupOrderChanged(order);
 536     }
 537 }
 538
 539 Qt::SortOrder DolphinView::groupOrder() const
 540 {
 541     return m_model->groupOrder();
 542 }
 543
 544 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 545 {
 546     if (sortFoldersFirst() != foldersFirst) {
 547         updateSortFoldersFirst(foldersFirst);
 548     }
 549 }
 550
 551 bool DolphinView::sortFoldersFirst() const
 552 {
 553     return m_model->sortDirectoriesFirst();
 554 }
 555
 556 void DolphinView::setSortHiddenLast(bool hiddenLast)
 557 {
 558     if (sortHiddenLast() != hiddenLast) {
 559         updateSortHiddenLast(hiddenLast);
 560     }
 561 }
 562
 563 bool DolphinView::sortHiddenLast() const
 564 {
 565     return m_model->sortHiddenLast();
 566 }
 567
 568 void DolphinView::setVisibleRoles(const QList<QByteArray> &roles)
 569 {
 570     const QList<QByteArray> previousRoles = roles;
 571
 572     ViewProperties props(viewPropertiesUrl());
 573     props.setVisibleRoles(roles);
 574
 575     m_visibleRoles = roles;
 576     m_view->setVisibleRoles(roles);
 577
 578     Q_EMIT visibleRolesChanged(m_visibleRoles, previousRoles);
 579 }
 580
 581 QList<QByteArray> DolphinView::visibleRoles() const
 582 {
 583     return m_visibleRoles;
 584 }
 585
 586 void DolphinView::reload()
 587 {
 588     QByteArray viewState;
 589     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 590     saveState(saveStream);
 591
 592     setUrl(url());
 593     loadDirectory(url(), true);
 594
 595     QDataStream restoreStream(viewState);
 596     restoreState(restoreStream);
 597 }
 598
 599 void DolphinView::readSettings()
 600 {
 601     const int oldZoomLevel = m_view->zoomLevel();
 602
 603     GeneralSettings::self()->load();
 604     m_view->readSettings();
 605     applyViewProperties();
 606
 607     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 608     m_container->controller()->setAutoActivationDelay(delay);
 609
 610     const int newZoomLevel = m_view->zoomLevel();
 611     if (newZoomLevel != oldZoomLevel) {
 612         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 613     }
 614 }
 615
 616 void DolphinView::writeSettings()
 617 {
 618     GeneralSettings::self()->save();
 619     m_view->writeSettings();
 620 }
 621
 622 void DolphinView::setNameFilter(const QString &nameFilter)
 623 {
 624     m_model->setNameFilter(nameFilter);
 625 }
 626
 627 QString DolphinView::nameFilter() const
 628 {
 629     return m_model->nameFilter();
 630 }
 631
 632 void DolphinView::setMimeTypeFilters(const QStringList &filters)
 633 {
 634     return m_model->setMimeTypeFilters(filters);
 635 }
 636
 637 QStringList DolphinView::mimeTypeFilters() const
 638 {
 639     return m_model->mimeTypeFilters();
 640 }
 641
 642 void DolphinView::requestStatusBarText()
 643 {
 644     if (m_statJobForStatusBarText) {
 645         // Kill the pending request.
 646         m_statJobForStatusBarText->kill();
 647     }
 648
 649     if (m_container->controller()->selectionManager()->hasSelection()) {
 650         int folderCount = 0;
 651         int fileCount = 0;
 652         KIO::filesize_t totalFileSize = 0;
 653
 654         // Give a summary of the status of the selected files
 655         const KFileItemList list = selectedItems();
 656         for (const KFileItem &item : list) {
 657             if (item.isDir()) {
 658                 ++folderCount;
 659             } else {
 660                 ++fileCount;
 661                 totalFileSize += item.size();
 662             }
 663         }
 664
 665         if (folderCount + fileCount == 1) {
 666             // If only one item is selected, show info about it
 667             Q_EMIT statusBarTextChanged(list.first().getStatusBarInfo());
 668         } else {
 669             // At least 2 items are selected
 670             emitStatusBarText(folderCount, fileCount, totalFileSize, HasSelection);
 671         }
 672     } else { // has no selection
 673         if (!m_model->rootItem().url().isValid()) {
 674             return;
 675         }
 676
 677         m_statJobForStatusBarText = KIO::stat(m_model->rootItem().url(), KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
 678         connect(m_statJobForStatusBarText, &KJob::result, this, &DolphinView::slotStatJobResult);
 679         m_statJobForStatusBarText->start();
 680     }
 681 }
 682
 683 void DolphinView::emitStatusBarText(const int folderCount, const int fileCount, KIO::filesize_t totalFileSize, const Selection selection)
 684 {
 685     QString foldersText;
 686     QString filesText;
 687     QString summary;
 688
 689     if (selection == HasSelection) {
 690         // At least 2 items are selected because the case of 1 selected item is handled in
 691         // DolphinView::requestStatusBarText().
 692         foldersText = i18ncp("@info:status", "1 folder selected", "%1 folders selected", folderCount);
 693         filesText = i18ncp("@info:status", "1 file selected", "%1 files selected", fileCount);
 694     } else {
 695         foldersText = i18ncp("@info:status", "1 folder", "%1 folders", folderCount);
 696         filesText = i18ncp("@info:status", "1 file", "%1 files", fileCount);
 697     }
 698
 699     if (fileCount > 0 && folderCount > 0) {
 700         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)", foldersText, filesText, KFormat().formatByteSize(totalFileSize));
 701     } else if (fileCount > 0) {
 702         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, KFormat().formatByteSize(totalFileSize));
 703     } else if (folderCount > 0) {
 704         summary = foldersText;
 705     } else {
 706         summary = i18nc("@info:status", "0 folders, 0 files");
 707     }
 708     Q_EMIT statusBarTextChanged(summary);
 709 }
 710
 711 QList<QAction *> DolphinView::versionControlActions(const KFileItemList &items) const
 712 {
 713     QList<QAction *> actions;
 714
 715     if (items.isEmpty()) {
 716         const KFileItem item = m_model->rootItem();
 717         if (!item.isNull()) {
 718             actions = m_versionControlObserver->actions(KFileItemList() << item);
 719         }
 720     } else {
 721         actions = m_versionControlObserver->actions(items);
 722     }
 723
 724     return actions;
 725 }
 726
 727 void DolphinView::setUrl(const QUrl &url)
 728 {
 729     if (url == m_url) {
 730         return;
 731     }
 732
 733     clearSelection();
 734
 735     m_url = url;
 736
 737     hideToolTip();
 738
 739     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 740
 741     // It is important to clear the items from the model before
 742     // applying the view properties, otherwise expensive operations
 743     // might be done on the existing items although they get cleared
 744     // anyhow afterwards by loadDirectory().
 745     m_model->clear();
 746     applyViewProperties();
 747     loadDirectory(url);
 748
 749     Q_EMIT urlChanged(url);
 750 }
 751
 752 void DolphinView::selectAll()
 753 {
 754     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 755     selectionManager->setSelected(0, m_model->count());
 756 }
 757
 758 void DolphinView::invertSelection()
 759 {
 760     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 761     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 762 }
 763
 764 void DolphinView::clearSelection()
 765 {
 766     m_selectJobCreatedItems = false;
 767     m_selectedUrls.clear();
 768     m_container->controller()->selectionManager()->clearSelection();
 769 }
 770
 771 void DolphinView::renameSelectedItems()
 772 {
 773     const KFileItemList items = selectedItems();
 774     if (items.isEmpty()) {
 775         return;
 776     }
 777
 778     if (items.count() == 1 && GeneralSettings::renameInline()) {
 779         const int index = m_model->index(items.first());
 780
 781         connect(
 782             m_view,
 783             &KItemListView::scrollingStopped,
 784             this,
 785             [this, index]() {
 786                 m_view->editRole(index, "text");
 787
 788                 hideToolTip();
 789
 790                 connect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 791             },
 792             Qt::SingleShotConnection);
 793         m_view->scrollToItem(index);
 794
 795     } else {
 796         KIO::RenameFileDialog *dialog = new KIO::RenameFileDialog(items, this);
 797         connect(dialog, &KIO::RenameFileDialog::renamingFinished, this, &DolphinView::slotRenameDialogRenamingFinished);
 798
 799         dialog->open();
 800     }
 801
 802     // Assure that the current index remains visible when KFileItemModel
 803     // will notify the view about changed items (which might result in
 804     // a changed sorting).
 805     m_assureVisibleCurrentIndex = true;
 806 }
 807
 808 void DolphinView::trashSelectedItems()
 809 {
 810     const QList<QUrl> list = simplifiedSelectedUrls();
 811
 812     using Iface = KIO::AskUserActionInterface;
 813     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Trash, Iface::DefaultConfirmation, this);
 814     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 815     m_selectNextItem = true;
 816     trashJob->start();
 817 }
 818
 819 void DolphinView::deleteSelectedItems()
 820 {
 821     const QList<QUrl> list = simplifiedSelectedUrls();
 822
 823     using Iface = KIO::AskUserActionInterface;
 824     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Delete, Iface::DefaultConfirmation, this);
 825     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 826     m_selectNextItem = true;
 827     trashJob->start();
 828 }
 829
 830 void DolphinView::cutSelectedItemsToClipboard()
 831 {
 832     QMimeData *mimeData = selectionMimeData();
 833     KIO::setClipboardDataCut(mimeData, true);
 834     KUrlMimeData::exportUrlsToPortal(mimeData);
 835     QApplication::clipboard()->setMimeData(mimeData);
 836 }
 837
 838 void DolphinView::copySelectedItemsToClipboard()
 839 {
 840     QMimeData *mimeData = selectionMimeData();
 841     KUrlMimeData::exportUrlsToPortal(mimeData);
 842     QApplication::clipboard()->setMimeData(mimeData);
 843 }
 844
 845 void DolphinView::copySelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 846 {
 847     if (selection.isEmpty() || !destinationUrl.isValid()) {
 848         return;
 849     }
 850
 851     m_clearSelectionBeforeSelectingNewItems = true;
 852     m_markFirstNewlySelectedItemAsCurrent = true;
 853     m_selectJobCreatedItems = true;
 854
 855     KIO::CopyJob *job = KIO::copy(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 856     KJobWidgets::setWindow(job, this);
 857
 858     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 859     connect(job, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
 860     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 861     KIO::FileUndoManager::self()->recordCopyJob(job);
 862 }
 863
 864 void DolphinView::moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 865 {
 866     if (selection.isEmpty() || !destinationUrl.isValid()) {
 867         return;
 868     }
 869
 870     m_clearSelectionBeforeSelectingNewItems = true;
 871     m_markFirstNewlySelectedItemAsCurrent = true;
 872     m_selectJobCreatedItems = true;
 873
 874     KIO::CopyJob *job = KIO::move(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 875     KJobWidgets::setWindow(job, this);
 876
 877     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 878     connect(job, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
 879     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 880     KIO::FileUndoManager::self()->recordCopyJob(job);
 881 }
 882
 883 void DolphinView::paste()
 884 {
 885     pasteToUrl(url());
 886 }
 887
 888 void DolphinView::pasteIntoFolder()
 889 {
 890     const KFileItemList items = selectedItems();
 891     if ((items.count() == 1) && items.first().isDir()) {
 892         pasteToUrl(items.first().url());
 893     }
 894 }
 895
 896 void DolphinView::duplicateSelectedItems()
 897 {
 898     const KFileItemList itemList = selectedItems();
 899     if (itemList.isEmpty()) {
 900         return;
 901     }
 902
 903     const QMimeDatabase db;
 904
 905     m_clearSelectionBeforeSelectingNewItems = true;
 906     m_markFirstNewlySelectedItemAsCurrent = true;
 907     m_selectJobCreatedItems = true;
 908
 909     // Duplicate all selected items and append "copy" to the end of the file name
 910     // but before the filename extension, if present
 911     for (const auto &item : itemList) {
 912         const QUrl originalURL = item.url();
 913         const QString originalDirectoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 914         const QString originalFileName = item.name();
 915
 916         QString extension = db.suffixForFileName(originalFileName);
 917
 918         QUrl duplicateURL = originalURL;
 919
 920         // No extension; new filename is "<oldfilename> copy"
 921         if (extension.isEmpty()) {
 922             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFileName));
 923             // There's an extension; new filename is "<oldfilename> copy.<extension>"
 924         } else {
 925             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 926             extension = QLatin1String(".") + extension;
 927             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 928             // Preserve file's original filename extension in case the casing differs
 929             // from what QMimeDatabase::suffixForFileName() returned
 930             const QString originalExtension = originalFileName.right(extension.size());
 931             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFilenameWithoutExtension) + originalExtension);
 932         }
 933
 934         KIO::CopyJob *job = KIO::copyAs(originalURL, duplicateURL);
 935         job->setAutoRename(true);
 936         KJobWidgets::setWindow(job, this);
 937
 938         connect(job, &KIO::CopyJob::result, this, &DolphinView::slotJobResult);
 939         connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 940         connect(job, &KIO::CopyJob::copyingLinkDone, this, &DolphinView::slotItemLinkCreatedFromJob);
 941         KIO::FileUndoManager::self()->recordCopyJob(job);
 942     }
 943 }
 944
 945 void DolphinView::stopLoading()
 946 {
 947     m_model->cancelDirectoryLoading();
 948 }
 949
 950 void DolphinView::updatePalette()
 951 {
 952     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 953     if (!m_active) {
 954         color.setAlpha(150);
 955     }
 956
 957     QWidget *viewport = m_container->viewport();
 958     if (viewport) {
 959         QPalette palette;
 960         palette.setColor(viewport->backgroundRole(), color);
 961         viewport->setPalette(palette);
 962     }
 963
 964     update();
 965 }
 966
 967 void DolphinView::abortTwoClicksRenaming()
 968 {
 969     m_twoClicksRenamingItemUrl.clear();
 970     m_twoClicksRenamingTimer->stop();
 971 }
 972
 973 bool DolphinView::eventFilter(QObject *watched, QEvent *event)
 974 {
 975     switch (event->type()) {
 976     case QEvent::PaletteChange:
 977         updatePalette();
 978         QPixmapCache::clear();
 979         break;
 980
 981     case QEvent::WindowActivate:
 982     case QEvent::WindowDeactivate:
 983         updatePalette();
 984         break;
 985
 986     case QEvent::KeyPress:
 987         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 988         if (GeneralSettings::useTabForSwitchingSplitView()) {
 989             QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
 990             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 991                 Q_EMIT toggleActiveViewRequested();
 992                 return true;
 993             }
 994         }
 995         break;
 996     case QEvent::KeyRelease:
 997         if (static_cast<QKeyEvent *>(event)->key() == Qt::Key_Control) {
 998             m_controlWheelAccumulatedDelta = 0;
 999         }
1000         break;
1001     case QEvent::FocusIn:
1002         if (watched == m_container) {
1003             setActive(true);
1004         }
1005         break;
1006
1007     case QEvent::GraphicsSceneDragEnter:
1008         if (watched == m_view) {
1009             m_dragging = true;
1010             abortTwoClicksRenaming();
1011         }
1012         break;
1013
1014     case QEvent::GraphicsSceneDragLeave:
1015         if (watched == m_view) {
1016             m_dragging = false;
1017         }
1018         break;
1019
1020     case QEvent::GraphicsSceneDrop:
1021         if (watched == m_view) {
1022             m_dragging = false;
1023         }
1024         break;
1025
1026     case QEvent::ToolTip: {
1027         const auto helpEvent = static_cast<QHelpEvent *>(event);
1028         if (tryShowNameToolTip(helpEvent)) {
1029             return true;
1030
1031         } else if (m_hoveredColumnHeaderIndex) {
1032             const auto rolesInfo = KFileItemModel::rolesInformation();
1033             const auto visibleRole = m_visibleRoles.value(*m_hoveredColumnHeaderIndex);
1034
1035             for (const KFileItemModel::RoleInfo &info : rolesInfo) {
1036                 if (visibleRole == info.role) {
1037                     QToolTip::showText(helpEvent->globalPos(), info.tooltip, this);
1038                     return true;
1039                 }
1040             }
1041         }
1042         break;
1043     }
1044     default:
1045         break;
1046     }
1047
1048     return QWidget::eventFilter(watched, event);
1049 }
1050
1051 void DolphinView::wheelEvent(QWheelEvent *event)
1052 {
1053     if (event->modifiers().testFlag(Qt::ControlModifier)) {
1054         m_controlWheelAccumulatedDelta += event->angleDelta().y();
1055
1056         if (m_controlWheelAccumulatedDelta <= -QWheelEvent::DefaultDeltasPerStep) {
1057             slotDecreaseZoom();
1058             m_controlWheelAccumulatedDelta += QWheelEvent::DefaultDeltasPerStep;
1059         } else if (m_controlWheelAccumulatedDelta >= QWheelEvent::DefaultDeltasPerStep) {
1060             slotIncreaseZoom();
1061             m_controlWheelAccumulatedDelta -= QWheelEvent::DefaultDeltasPerStep;
1062         }
1063
1064         event->accept();
1065     } else {
1066         event->ignore();
1067     }
1068 }
1069
1070 void DolphinView::hideEvent(QHideEvent *event)
1071 {
1072     hideToolTip();
1073     QWidget::hideEvent(event);
1074 }
1075
1076 bool DolphinView::event(QEvent *event)
1077 {
1078     if (event->type() == QEvent::WindowDeactivate) {
1079         /* See Bug 297355
1080          * Dolphin leaves file preview tooltips open even when is not visible.
1081          *
1082          * Hide tool-tip when Dolphin loses focus.
1083          */
1084         hideToolTip();
1085         abortTwoClicksRenaming();
1086     }
1087
1088     return QWidget::event(event);
1089 }
1090
1091 void DolphinView::activate()
1092 {
1093     setActive(true);
1094 }
1095
1096 void DolphinView::slotItemActivated(int index)
1097 {
1098     abortTwoClicksRenaming();
1099
1100     const KFileItem item = m_model->fileItem(index);
1101     if (!item.isNull()) {
1102         Q_EMIT itemActivated(item);
1103     }
1104 }
1105
1106 void DolphinView::slotItemsActivated(const KItemSet &indexes)
1107 {
1108     Q_ASSERT(indexes.count() >= 2);
1109
1110     abortTwoClicksRenaming();
1111
1112     const auto modifiers = QGuiApplication::keyboardModifiers();
1113
1114     if (indexes.count() > 5) {
1115         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
1116         const int answer = KMessageBox::warningContinueCancel(
1117             this,
1118             question,
1119             {},
1120             KGuiItem(i18ncp("@action:button", "Open %1 Item", "Open %1 Items", indexes.count()), QStringLiteral("document-open")),
1121             KStandardGuiItem::cancel(),
1122             QStringLiteral("ConfirmOpenManyFolders"));
1123         if (answer != KMessageBox::PrimaryAction && answer != KMessageBox::Continue) {
1124             return;
1125         }
1126     }
1127
1128     KFileItemList items;
1129     items.reserve(indexes.count());
1130
1131     for (int index : indexes) {
1132         KFileItem item = m_model->fileItem(index);
1133         const QUrl &url = openItemAsFolderUrl(item);
1134
1135         if (!url.isEmpty()) {
1136             // Open folders in new tabs or in new windows depending on the modifier
1137             // The ctrl+shift behavior is ignored because we are handling multiple items
1138             // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1139             if (modifiers & Qt::ShiftModifier && !(modifiers & Qt::ControlModifier)) {
1140                 Q_EMIT windowRequested(url);
1141             } else {
1142                 Q_EMIT tabRequested(url);
1143             }
1144         } else {
1145             items.append(item);
1146         }
1147     }
1148
1149     if (items.count() == 1) {
1150         Q_EMIT itemActivated(items.first());
1151     } else if (items.count() > 1) {
1152         Q_EMIT itemsActivated(items);
1153     }
1154 }
1155
1156 void DolphinView::slotItemMiddleClicked(int index)
1157 {
1158     const KFileItem &item = m_model->fileItem(index);
1159     const QUrl &url = openItemAsFolderUrl(item, GeneralSettings::browseThroughArchives());
1160     const auto modifiers = QGuiApplication::keyboardModifiers();
1161     if (!url.isEmpty()) {
1162         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1163         if (modifiers & Qt::ShiftModifier) {
1164             Q_EMIT activeTabRequested(url);
1165         } else {
1166             Q_EMIT tabRequested(url);
1167         }
1168     } else if (isTabsForFilesEnabled()) {
1169         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1170         if (modifiers & Qt::ShiftModifier) {
1171             Q_EMIT activeTabRequested(item.url());
1172         } else {
1173             Q_EMIT tabRequested(item.url());
1174         }
1175     } else {
1176         Q_EMIT fileMiddleClickActivated(item);
1177     }
1178 }
1179
1180 void DolphinView::slotItemContextMenuRequested(int index, const QPointF &pos)
1181 {
1182     // Force emit of a selection changed signal before we request the
1183     // context menu, to update the edit-actions first. (See Bug 294013)
1184     if (m_selectionChangedTimer->isActive()) {
1185         emitSelectionChangedSignal();
1186     }
1187
1188     const KFileItem item = m_model->fileItem(index);
1189     Q_EMIT requestContextMenu(pos.toPoint(), item, selectedItems(), url());
1190 }
1191
1192 void DolphinView::slotViewContextMenuRequested(const QPointF &pos)
1193 {
1194     Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), selectedItems(), url());
1195 }
1196
1197 void DolphinView::slotHeaderContextMenuRequested(const QPointF &pos)
1198 {
1199     ViewProperties props(viewPropertiesUrl());
1200
1201     QPointer<QMenu> menu = new QMenu(this);
1202
1203     KItemListView *view = m_container->controller()->view();
1204     const QList<QByteArray> visibleRolesSet = view->visibleRoles();
1205
1206     bool indexingEnabled = false;
1207 #if HAVE_BALOO
1208     Baloo::IndexerConfig config;
1209     indexingEnabled = config.fileIndexingEnabled();
1210 #endif
1211
1212     QString groupName;
1213     QMenu *groupMenu = nullptr;
1214
1215     // Add all roles to the menu that can be shown or hidden by the user
1216     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
1217     for (const KFileItemModel::RoleInfo &info : rolesInfo) {
1218         if (info.role == "text") {
1219             // It should not be possible to hide the "text" role
1220             continue;
1221         }
1222
1223         const QString text = m_model->roleDescription(info.role);
1224         QAction *action = nullptr;
1225         if (info.group.isEmpty()) {
1226             action = menu->addAction(text);
1227         } else {
1228             if (!groupMenu || info.group != groupName) {
1229                 groupName = info.group;
1230                 groupMenu = menu->addMenu(groupName);
1231             }
1232
1233             action = groupMenu->addAction(text);
1234         }
1235
1236         action->setCheckable(true);
1237         action->setChecked(visibleRolesSet.contains(info.role));
1238         action->setData(info.role);
1239         action->setToolTip(info.tooltip);
1240
1241         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) || (info.requiresBaloo) || (info.requiresIndexer && indexingEnabled);
1242         action->setEnabled(enable);
1243     }
1244
1245     menu->addSeparator();
1246
1247     QActionGroup *widthsGroup = new QActionGroup(menu);
1248     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1249
1250     QAction *toggleSidePaddingAction = menu->addAction(i18nc("@action:inmenu", "Side Padding"));
1251     toggleSidePaddingAction->setCheckable(true);
1252     toggleSidePaddingAction->setChecked(view->header()->sidePadding() > 0);
1253
1254     QAction *autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1255     autoAdjustWidthsAction->setCheckable(true);
1256     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1257     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1258
1259     QAction *customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1260     customWidthsAction->setCheckable(true);
1261     customWidthsAction->setChecked(!autoColumnWidths);
1262     customWidthsAction->setActionGroup(widthsGroup);
1263
1264     QAction *action = menu->exec(pos.toPoint());
1265     if (menu && action) {
1266         KItemListHeader *header = view->header();
1267
1268         if (action == autoAdjustWidthsAction) {
1269             // Clear the column-widths from the viewproperties and turn on
1270             // the automatic resizing of the columns
1271             props.setHeaderColumnWidths(QList<int>());
1272             header->setAutomaticColumnResizing(true);
1273         } else if (action == customWidthsAction) {
1274             // Apply the current column-widths as custom column-widths and turn
1275             // off the automatic resizing of the columns
1276             QList<int> columnWidths;
1277             const auto visibleRoles = view->visibleRoles();
1278             columnWidths.reserve(visibleRoles.count());
1279             for (const QByteArray &role : visibleRoles) {
1280                 columnWidths.append(header->columnWidth(role));
1281             }
1282             props.setHeaderColumnWidths(columnWidths);
1283             header->setAutomaticColumnResizing(false);
1284         } else if (action == toggleSidePaddingAction) {
1285             header->setSidePadding(toggleSidePaddingAction->isChecked() ? 20 : 0);
1286         } else {
1287             // Show or hide the selected role
1288             const QByteArray selectedRole = action->data().toByteArray();
1289
1290             QList<QByteArray> visibleRoles = view->visibleRoles();
1291             if (action->isChecked()) {
1292                 visibleRoles.append(selectedRole);
1293             } else {
1294                 visibleRoles.removeOne(selectedRole);
1295             }
1296
1297             view->setVisibleRoles(visibleRoles);
1298             props.setVisibleRoles(visibleRoles);
1299
1300             QList<int> columnWidths;
1301             if (!header->automaticColumnResizing()) {
1302                 const auto visibleRoles = view->visibleRoles();
1303                 columnWidths.reserve(visibleRoles.count());
1304                 for (const QByteArray &role : visibleRoles) {
1305                     columnWidths.append(header->columnWidth(role));
1306                 }
1307             }
1308             props.setHeaderColumnWidths(columnWidths);
1309         }
1310     }
1311
1312     delete menu;
1313 }
1314
1315 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray &role, qreal current)
1316 {
1317     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1318
1319     ViewProperties props(viewPropertiesUrl());
1320     QList<int> columnWidths = props.headerColumnWidths();
1321     if (columnWidths.count() != visibleRoles.count()) {
1322         columnWidths.clear();
1323         columnWidths.reserve(visibleRoles.count());
1324         const KItemListHeader *header = m_view->header();
1325         for (const QByteArray &role : visibleRoles) {
1326             const int width = header->columnWidth(role);
1327             columnWidths.append(width);
1328         }
1329     }
1330
1331     const int roleIndex = visibleRoles.indexOf(role);
1332     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1333     columnWidths[roleIndex] = current;
1334
1335     props.setHeaderColumnWidths(columnWidths);
1336 }
1337
1338 void DolphinView::slotSidePaddingWidthChanged(qreal width)
1339 {
1340     ViewProperties props(viewPropertiesUrl());
1341     DetailsModeSettings::setSidePadding(int(width));
1342     m_view->writeSettings();
1343 }
1344
1345 void DolphinView::slotItemHovered(int index)
1346 {
1347     const KFileItem item = m_model->fileItem(index);
1348
1349     if (GeneralSettings::showToolTips() && !m_dragging) {
1350         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1351         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1352         itemRect.moveTo(pos);
1353
1354 #if HAVE_BALOO
1355         auto nativeParent = nativeParentWidget();
1356         if (nativeParent) {
1357             m_toolTipManager->showToolTip(item, itemRect, nativeParent->windowHandle());
1358         }
1359 #endif
1360     }
1361
1362     Q_EMIT requestItemInfo(item);
1363 }
1364
1365 void DolphinView::slotItemUnhovered(int index)
1366 {
1367     Q_UNUSED(index)
1368     hideToolTip();
1369     Q_EMIT requestItemInfo(KFileItem());
1370 }
1371
1372 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent *event)
1373 {
1374     QUrl destUrl;
1375     KFileItem destItem = m_model->fileItem(index);
1376     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1377         // Use the URL of the view as drop target if the item is no directory
1378         // or desktop-file
1379         destItem = m_model->rootItem();
1380         destUrl = url();
1381     } else {
1382         // The item represents a directory or desktop-file
1383         destUrl = destItem.mostLocalUrl();
1384     }
1385
1386     QDropEvent dropEvent(event->pos().toPoint(), event->possibleActions(), event->mimeData(), event->buttons(), event->modifiers());
1387     dropUrls(destUrl, &dropEvent, this);
1388
1389     setActive(true);
1390 }
1391
1392 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1393 {
1394     KIO::DropJob *job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1395
1396     if (job) {
1397         connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
1398
1399         if (destUrl == url()) {
1400             // Mark the dropped urls as selected.
1401             m_clearSelectionBeforeSelectingNewItems = true;
1402             m_markFirstNewlySelectedItemAsCurrent = true;
1403             m_selectJobCreatedItems = true;
1404             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1405             connect(job, &KIO::DropJob::copyJobStarted, this, [this](const KIO::CopyJob *copyJob) {
1406                 connect(copyJob, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
1407                 connect(copyJob, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
1408                 connect(copyJob, &KIO::CopyJob::linking, this, [this](KIO::Job *job, const QString &src, const QUrl &dest) {
1409                     Q_UNUSED(job)
1410                     Q_UNUSED(src)
1411                     slotItemCreated(dest);
1412                 });
1413             });
1414         }
1415     }
1416 }
1417
1418 void DolphinView::slotModelChanged(KItemModelBase *current, KItemModelBase *previous)
1419 {
1420     if (previous != nullptr) {
1421         Q_ASSERT(qobject_cast<KFileItemModel *>(previous));
1422         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(previous);
1423         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1424         m_versionControlObserver->setModel(nullptr);
1425     }
1426
1427     if (current) {
1428         Q_ASSERT(qobject_cast<KFileItemModel *>(current));
1429         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(current);
1430         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1431         m_versionControlObserver->setModel(fileItemModel);
1432     }
1433 }
1434
1435 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1436 {
1437     Q_UNUSED(itemIndex)
1438
1439     hideToolTip();
1440
1441     if (buttons & Qt::BackButton) {
1442         Q_EMIT goBackRequested();
1443     } else if (buttons & Qt::ForwardButton) {
1444         Q_EMIT goForwardRequested();
1445     }
1446 }
1447
1448 void DolphinView::slotSelectedItemTextPressed(int index)
1449 {
1450     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1451         const KFileItem item = m_model->fileItem(index);
1452         const KFileItemListProperties capabilities(KFileItemList() << item);
1453         if (capabilities.supportsMoving()) {
1454             m_twoClicksRenamingItemUrl = item.url();
1455             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1456         }
1457     }
1458 }
1459
1460 void DolphinView::slotItemCreatedFromJob(KIO::Job *, const QUrl &, const QUrl &to)
1461 {
1462     slotItemCreated(to);
1463 }
1464
1465 void DolphinView::slotItemLinkCreatedFromJob(KIO::Job *, const QUrl &, const QString &, const QUrl &to)
1466 {
1467     slotItemCreated(to);
1468 }
1469
1470 void DolphinView::slotItemCreated(const QUrl &url)
1471 {
1472     if (m_markFirstNewlySelectedItemAsCurrent) {
1473         markUrlAsCurrent(url);
1474         m_markFirstNewlySelectedItemAsCurrent = false;
1475     }
1476     if (m_selectJobCreatedItems && !m_selectedUrls.contains(url)) {
1477         m_selectedUrls << url;
1478     }
1479 }
1480
1481 void DolphinView::onDirectoryLoadingCompletedAfterJob()
1482 {
1483     // the model should now contain all the items created by the job
1484     m_selectJobCreatedItems = true; // to make sure we overwrite selection
1485     // update the view: scroll into View and selection
1486     updateViewState();
1487     m_selectJobCreatedItems = false;
1488     m_selectedUrls.clear();
1489 }
1490
1491 void DolphinView::slotJobResult(KJob *job)
1492 {
1493     if (job->error() && job->error() != KIO::ERR_USER_CANCELED) {
1494         Q_EMIT errorMessage(job->errorString(), job->error());
1495     }
1496     if (!m_selectJobCreatedItems) {
1497         m_selectedUrls.clear();
1498         return;
1499     }
1500     if (!m_selectedUrls.isEmpty()) {
1501         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1502
1503         updateSelectionState();
1504         if (!m_selectedUrls.isEmpty()) {
1505             // not all urls were found, the model may not be up to date
1506             connect(m_model, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::onDirectoryLoadingCompletedAfterJob, Qt::SingleShotConnection);
1507         } else {
1508             m_selectJobCreatedItems = false;
1509             m_selectedUrls.clear();
1510         }
1511     }
1512 }
1513
1514 void DolphinView::slotSelectionChanged(const KItemSet &current, const KItemSet &previous)
1515 {
1516     m_selectNextItem = false;
1517     const int currentCount = current.count();
1518     const int previousCount = previous.count();
1519     const bool selectionStateChanged = (currentCount == 0 && previousCount > 0) || (currentCount > 0 && previousCount == 0);
1520
1521     // If nothing has been selected before and something got selected (or if something
1522     // was selected before and now nothing is selected) the selectionChangedSignal must
1523     // be emitted asynchronously as fast as possible to update the edit-actions.
1524     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1525     m_selectionChangedTimer->start();
1526 }
1527
1528 void DolphinView::emitSelectionChangedSignal()
1529 {
1530     m_selectionChangedTimer->stop();
1531     Q_EMIT selectionChanged(selectedItems());
1532 }
1533
1534 void DolphinView::slotStatJobResult(KJob *job)
1535 {
1536     int folderCount = 0;
1537     int fileCount = 0;
1538     KIO::filesize_t totalFileSize = 0;
1539     bool countFileSize = true;
1540
1541     const auto entry = static_cast<KIO::StatJob *>(job)->statResult();
1542     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1543         // We have a precomputed value.
1544         totalFileSize = static_cast<KIO::filesize_t>(entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1545         countFileSize = false;
1546     }
1547
1548     const int itemCount = m_model->count();
1549     for (int i = 0; i < itemCount; ++i) {
1550         const KFileItem item = m_model->fileItem(i);
1551         if (item.isDir()) {
1552             ++folderCount;
1553         } else {
1554             ++fileCount;
1555             if (countFileSize) {
1556                 totalFileSize += item.size();
1557             }
1558         }
1559     }
1560     emitStatusBarText(folderCount, fileCount, totalFileSize, NoSelection);
1561 }
1562
1563 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1564 {
1565     ViewProperties props(viewPropertiesUrl());
1566     props.setSortFoldersFirst(foldersFirst);
1567
1568     m_model->setSortDirectoriesFirst(foldersFirst);
1569
1570     Q_EMIT sortFoldersFirstChanged(foldersFirst);
1571 }
1572
1573 void DolphinView::updateSortHiddenLast(bool hiddenLast)
1574 {
1575     ViewProperties props(viewPropertiesUrl());
1576     props.setSortHiddenLast(hiddenLast);
1577
1578     m_model->setSortHiddenLast(hiddenLast);
1579
1580     Q_EMIT sortHiddenLastChanged(hiddenLast);
1581 }
1582
1583 QPair<bool, QString> DolphinView::pasteInfo() const
1584 {
1585     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1586     QPair<bool, QString> info;
1587     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1588     return info;
1589 }
1590
1591 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1592 {
1593     m_tabsForFiles = tabsForFiles;
1594 }
1595
1596 bool DolphinView::isTabsForFilesEnabled() const
1597 {
1598     return m_tabsForFiles;
1599 }
1600
1601 bool DolphinView::itemsExpandable() const
1602 {
1603     return m_mode == DetailsView;
1604 }
1605
1606 bool DolphinView::isExpanded(const KFileItem &item) const
1607 {
1608     Q_ASSERT(item.isDir());
1609     Q_ASSERT(items().contains(item));
1610     if (!itemsExpandable()) {
1611         return false;
1612     }
1613     return m_model->isExpanded(m_model->index(item));
1614 }
1615
1616 void DolphinView::restoreState(QDataStream &stream)
1617 {
1618     // Read the version number of the view state and check if the version is supported.
1619     quint32 version = 0;
1620     stream >> version;
1621     if (version != 1) {
1622         // The version of the view state isn't supported, we can't restore it.
1623         return;
1624     }
1625
1626     // Restore the current item that had the keyboard focus
1627     stream >> m_currentItemUrl;
1628
1629     // Restore the previously selected items
1630     stream >> m_selectedUrls;
1631
1632     // Restore the view position
1633     stream >> m_restoredContentsPosition;
1634
1635     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1636     QSet<QUrl> urls;
1637     stream >> urls;
1638     m_model->restoreExpandedDirectories(urls);
1639 }
1640
1641 void DolphinView::saveState(QDataStream &stream)
1642 {
1643     stream << quint32(1); // View state version
1644
1645     // Save the current item that has the keyboard focus
1646     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1647     if (currentIndex != -1) {
1648         KFileItem item = m_model->fileItem(currentIndex);
1649         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1650         QUrl currentItemUrl = item.url();
1651         stream << currentItemUrl;
1652     } else {
1653         stream << QUrl();
1654     }
1655
1656     // Save the selected urls
1657     stream << selectedItems().urlList();
1658
1659     // Save view position
1660     const qreal x = m_container->horizontalScrollBar()->value();
1661     const qreal y = m_container->verticalScrollBar()->value();
1662     stream << QPoint(x, y);
1663
1664     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1665     stream << m_model->expandedDirectories();
1666 }
1667
1668 KFileItem DolphinView::rootItem() const
1669 {
1670     return m_model->rootItem();
1671 }
1672
1673 void DolphinView::setViewPropertiesContext(const QString &context)
1674 {
1675     m_viewPropertiesContext = context;
1676 }
1677
1678 QString DolphinView::viewPropertiesContext() const
1679 {
1680     return m_viewPropertiesContext;
1681 }
1682
1683 QUrl DolphinView::openItemAsFolderUrl(const KFileItem &item, const bool browseThroughArchives)
1684 {
1685     if (item.isNull()) {
1686         return QUrl();
1687     }
1688
1689     QUrl url = item.targetUrl();
1690
1691     if (item.isDir()) {
1692         return url;
1693     }
1694
1695     if (item.isMimeTypeKnown()) {
1696         const QString &mimetype = item.mimetype();
1697
1698         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1699             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1700             // zip:/<path>/ when clicking on a zip file, etc.
1701             // The .protocol file specifies the mimetype that the kioslave handles.
1702             // Note that we don't use mimetype inheritance since we don't want to
1703             // open OpenDocument files as zip folders...
1704             const QString &protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1705             if (!protocol.isEmpty()) {
1706                 url.setScheme(protocol);
1707                 return url;
1708             }
1709         }
1710
1711         if (mimetype == QLatin1String("application/x-desktop")) {
1712             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1713             KDesktopFile desktopFile(url.toLocalFile());
1714             if (desktopFile.hasLinkType()) {
1715                 const QString linkUrl = desktopFile.readUrl();
1716                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1717                     return QUrl::fromUserInput(linkUrl);
1718                 }
1719             }
1720         }
1721     }
1722
1723     return QUrl();
1724 }
1725
1726 void DolphinView::resetZoomLevel()
1727 {
1728     ViewModeSettings settings{m_mode};
1729     settings.useDefaults(true);
1730     const int defaultIconSize = settings.iconSize();
1731     settings.useDefaults(false);
1732
1733     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(QSize(defaultIconSize, defaultIconSize)));
1734 }
1735
1736 void DolphinView::observeCreatedItem(const QUrl &url)
1737 {
1738     if (m_active) {
1739         forceUrlsSelection(url, {url});
1740     }
1741 }
1742
1743 void DolphinView::slotDirectoryRedirection(const QUrl &oldUrl, const QUrl &newUrl)
1744 {
1745     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1746         Q_EMIT redirection(oldUrl, newUrl);
1747         m_url = newUrl; // #186947
1748     }
1749 }
1750
1751 void DolphinView::updateSelectionState()
1752 {
1753     if (!m_selectedUrls.isEmpty()) {
1754         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1755
1756         const bool shouldScrollToCurrentItem = m_clearSelectionBeforeSelectingNewItems;
1757         // if there is a selection already, leave it that way
1758         // unless some drop/paste job are in the process of creating items
1759         if (!selectionManager->hasSelection() || m_selectJobCreatedItems) {
1760             if (m_clearSelectionBeforeSelectingNewItems) {
1761                 selectionManager->clearSelection();
1762                 m_clearSelectionBeforeSelectingNewItems = false;
1763             }
1764
1765             KItemSet selectedItems = selectionManager->selectedItems();
1766
1767             QList<QUrl>::iterator it = m_selectedUrls.begin();
1768             while (it != m_selectedUrls.end()) {
1769                 const int index = m_model->index(*it);
1770                 if (index >= 0) {
1771                     selectedItems.insert(index);
1772                     it = m_selectedUrls.erase(it);
1773                 } else {
1774                     ++it;
1775                 }
1776             }
1777
1778             if (!selectedItems.isEmpty()) {
1779                 selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1780                 selectionManager->setSelectedItems(selectedItems);
1781                 selectionManager->endAnchoredSelection();
1782                 if (shouldScrollToCurrentItem) {
1783                     m_view->scrollToItem(selectedItems.first());
1784                 }
1785             }
1786         }
1787     }
1788 }
1789
1790 void DolphinView::updateViewState()
1791 {
1792     if (m_currentItemUrl != QUrl()) {
1793         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1794
1795         // if there is a selection already, leave it that way
1796         if (!selectionManager->hasSelection()) {
1797             const int currentIndex = m_model->index(m_currentItemUrl);
1798             if (currentIndex != -1) {
1799                 selectionManager->setCurrentItem(currentIndex);
1800
1801                 // scroll to current item and reset the state
1802                 if (m_scrollToCurrentItem) {
1803                     m_view->scrollToItem(currentIndex, KItemListView::ViewItemPosition::Middle);
1804                     m_scrollToCurrentItem = false;
1805                 }
1806                 m_currentItemUrl = QUrl();
1807             } else {
1808                 selectionManager->setCurrentItem(0);
1809             }
1810         } else {
1811             m_currentItemUrl = QUrl();
1812         }
1813     }
1814
1815     if (!m_restoredContentsPosition.isNull()) {
1816         const int x = m_restoredContentsPosition.x();
1817         const int y = m_restoredContentsPosition.y();
1818         m_restoredContentsPosition = QPoint();
1819
1820         m_container->horizontalScrollBar()->setValue(x);
1821         m_container->verticalScrollBar()->setValue(y);
1822     }
1823
1824     updateSelectionState();
1825 }
1826
1827 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1828 {
1829     if (GeneralSettings::showToolTips()) {
1830 #if HAVE_BALOO
1831         m_toolTipManager->hideToolTip(behavior);
1832 #else
1833         Q_UNUSED(behavior)
1834 #endif
1835     } else if (m_mode == DolphinView::IconsView) {
1836         QToolTip::hideText();
1837     }
1838 }
1839
1840 bool DolphinView::handleSpaceAsNormalKey() const
1841 {
1842     return !m_container->hasFocus() || m_container->controller()->isSearchAsYouTypeActive();
1843 }
1844
1845 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1846 {
1847     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1848
1849     // verify that only one item is selected
1850     if (selectionManager->selectedItems().count() == 1) {
1851         const int index = selectionManager->currentItem();
1852         const QUrl fileItemUrl = m_model->fileItem(index).url();
1853
1854         // check if the selected item was the same item that started the twoClicksRenaming
1855         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1856             renameSelectedItems();
1857         }
1858     }
1859 }
1860
1861 void DolphinView::slotTrashFileFinished(KJob *job)
1862 {
1863     if (job->error() == 0) {
1864         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1865         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1866     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1867         Q_EMIT errorMessage(job->errorString(), job->error());
1868     }
1869 }
1870
1871 void DolphinView::slotDeleteFileFinished(KJob *job)
1872 {
1873     if (job->error() == 0) {
1874         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1875         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1876     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1877         Q_EMIT errorMessage(job->errorString(), job->error());
1878     }
1879 }
1880
1881 void DolphinView::selectNextItem()
1882 {
1883     if (m_active && m_selectNextItem) {
1884         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1885         if (selectedItems().isEmpty()) {
1886             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1887             return;
1888         }
1889         const auto lastSelectedIndex = m_model->index(selectedItems().last());
1890         if (lastSelectedIndex < 0) {
1891             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1892             return;
1893         }
1894         auto nextItem = lastSelectedIndex + 1;
1895         if (nextItem >= itemsCount()) {
1896             nextItem = lastSelectedIndex - selectedItemsCount();
1897         }
1898         if (nextItem >= 0) {
1899             selectionManager->setSelected(nextItem, 1);
1900         }
1901         m_selectNextItem = false;
1902     }
1903 }
1904
1905 void DolphinView::slotRenamingResult(KJob *job)
1906 {
1907     if (job->error()) {
1908         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1909         Q_ASSERT(copyJob);
1910         const QUrl newUrl = copyJob->destUrl();
1911         const int index = m_model->index(newUrl);
1912         if (index >= 0) {
1913             QHash<QByteArray, QVariant> data;
1914             const QUrl oldUrl = copyJob->srcUrls().at(0);
1915             data.insert("text", oldUrl.fileName());
1916             m_model->setData(index, data);
1917         }
1918     }
1919 }
1920
1921 void DolphinView::slotDirectoryLoadingStarted()
1922 {
1923     m_loadingState = LoadingState::Loading;
1924     updatePlaceholderLabel();
1925
1926     // Disable the writestate temporary until it can be determined in a fast way
1927     // in DolphinView::slotDirectoryLoadingCompleted()
1928     if (m_isFolderWritable) {
1929         m_isFolderWritable = false;
1930         Q_EMIT writeStateChanged(m_isFolderWritable);
1931     }
1932
1933     Q_EMIT directoryLoadingStarted();
1934 }
1935
1936 void DolphinView::slotDirectoryLoadingCompleted()
1937 {
1938     m_loadingState = LoadingState::Completed;
1939
1940     // Update the view-state. This has to be done asynchronously
1941     // because the view might not be in its final state yet.
1942     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1943
1944     // Update the placeholder label in case we found that the folder was empty
1945     // after loading it
1946
1947     Q_EMIT directoryLoadingCompleted();
1948
1949     updatePlaceholderLabel();
1950     updateWritableState();
1951 }
1952
1953 void DolphinView::slotDirectoryLoadingCanceled()
1954 {
1955     m_loadingState = LoadingState::Canceled;
1956
1957     updatePlaceholderLabel();
1958
1959     Q_EMIT directoryLoadingCanceled();
1960 }
1961
1962 void DolphinView::slotItemsChanged()
1963 {
1964     m_assureVisibleCurrentIndex = false;
1965 }
1966
1967 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1968 {
1969     Q_UNUSED(previous)
1970     Q_ASSERT(m_model->sortOrder() == current);
1971
1972     ViewProperties props(viewPropertiesUrl());
1973     props.setSortOrder(current);
1974
1975     Q_EMIT sortOrderChanged(current);
1976 }
1977
1978 void DolphinView::slotSortRoleChangedByHeader(const QByteArray &current, const QByteArray &previous)
1979 {
1980     Q_UNUSED(previous)
1981     Q_ASSERT(m_model->sortRole() == current);
1982
1983     ViewProperties props(viewPropertiesUrl());
1984     props.setSortRole(current);
1985
1986     Q_EMIT sortRoleChanged(current);
1987 }
1988
1989 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray> &current, const QList<QByteArray> &previous)
1990 {
1991     Q_UNUSED(previous)
1992     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1993
1994     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1995
1996     m_visibleRoles = current;
1997
1998     ViewProperties props(viewPropertiesUrl());
1999     props.setVisibleRoles(m_visibleRoles);
2000
2001     Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
2002 }
2003
2004 void DolphinView::slotRoleEditingCanceled()
2005 {
2006     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
2007 }
2008
2009 void DolphinView::slotRoleEditingFinished(int index, const QByteArray &role, const QVariant &value)
2010 {
2011     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
2012
2013     const KFileItemList items = selectedItems();
2014     if (items.count() != 1) {
2015         return;
2016     }
2017
2018     if (role == "text") {
2019         const KFileItem oldItem = items.first();
2020         const EditResult retVal = value.value<EditResult>();
2021         const QString newName = retVal.newName;
2022         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
2023             const QUrl oldUrl = oldItem.url();
2024
2025             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
2026             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
2027
2028 #ifndef Q_OS_WIN
2029             // Confirm hiding file/directory by renaming inline
2030             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
2031                 KGuiItem yesGuiItem(i18nc("@action:button", "Rename and Hide"), QStringLiteral("view-hidden"));
2032
2033                 const auto code =
2034                     KMessageBox::questionTwoActions(this,
2035                                                     oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
2036                                                                             "Do you still want to rename it?")
2037                                                                      : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
2038                                                                             "Do you still want to rename it?"),
2039                                                     oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
2040                                                     yesGuiItem,
2041                                                     KStandardGuiItem::cancel(),
2042                                                     QStringLiteral("ConfirmHide"));
2043
2044                 if (code == KMessageBox::SecondaryAction) {
2045                     return;
2046                 }
2047             }
2048 #endif
2049
2050             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
2051             if (!newNameExistsAlready && m_model->index(oldUrl) == index) {
2052                 // Only change the data in the model if no item with the new name
2053                 // is in the model yet. If there is an item with the new name
2054                 // already, calling KIO::CopyJob will open a dialog
2055                 // asking for a new name, and KFileItemModel will update the
2056                 // data when the dir lister signals that the file name has changed.
2057                 QHash<QByteArray, QVariant> data;
2058                 data.insert(role, retVal.newName);
2059                 m_model->setData(index, data);
2060             }
2061
2062             KIO::Job *job = KIO::moveAs(oldUrl, newUrl);
2063             KJobWidgets::setWindow(job, this);
2064             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
2065             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
2066
2067             if (!newNameExistsAlready) {
2068                 forceUrlsSelection(newUrl, {newUrl});
2069
2070                 // Only connect the result signal if there is no item with the new name
2071                 // in the model yet, see bug 328262.
2072                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
2073             }
2074         }
2075         if (retVal.direction != EditDone) {
2076             const short indexShift = retVal.direction == EditNext ? 1 : -1;
2077             m_container->controller()->selectionManager()->setSelected(index, 1, KItemListSelectionManager::Deselect);
2078             m_container->controller()->selectionManager()->setSelected(index + indexShift, 1, KItemListSelectionManager::Select);
2079             renameSelectedItems();
2080         }
2081     }
2082 }
2083
2084 void DolphinView::loadDirectory(const QUrl &url, bool reload)
2085 {
2086     if (!url.isValid()) {
2087         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
2088         if (location.isEmpty()) {
2089             Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."), KIO::ERR_UNKNOWN);
2090         } else {
2091             Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location), KIO::ERR_UNKNOWN);
2092         }
2093         return;
2094     }
2095
2096     if (reload) {
2097         m_model->refreshDirectory(url);
2098     } else {
2099         m_model->loadDirectory(url);
2100     }
2101 }
2102
2103 void DolphinView::applyViewProperties()
2104 {
2105     const ViewProperties props(viewPropertiesUrl());
2106     applyViewProperties(props);
2107 }
2108
2109 void DolphinView::applyViewProperties(const ViewProperties &props)
2110 {
2111     m_view->beginTransaction();
2112
2113     const Mode mode = props.viewMode();
2114     if (m_mode != mode) {
2115         const Mode previousMode = m_mode;
2116         m_mode = mode;
2117
2118         // Changing the mode might result in changing
2119         // the zoom level. Remember the old zoom level so
2120         // that zoomLevelChanged() can get emitted.
2121         const int oldZoomLevel = m_view->zoomLevel();
2122         applyModeToView();
2123
2124         Q_EMIT modeChanged(m_mode, previousMode);
2125
2126         if (m_view->zoomLevel() != oldZoomLevel) {
2127             Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
2128         }
2129     }
2130
2131     const bool hiddenFilesShown = props.hiddenFilesShown();
2132     if (hiddenFilesShown != m_model->showHiddenFiles()) {
2133         m_model->setShowHiddenFiles(hiddenFilesShown);
2134         Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
2135     }
2136
2137     const bool groupedSorting = props.groupedSorting();
2138     if (groupedSorting != m_model->groupedSorting()) {
2139         m_model->setGroupedSorting(groupedSorting);
2140         Q_EMIT groupedSortingChanged(groupedSorting);
2141     }
2142
2143     const QByteArray sortRole = props.sortRole();
2144     if (sortRole != m_model->sortRole()) {
2145         m_model->setSortRole(sortRole);
2146         Q_EMIT sortRoleChanged(sortRole);
2147     }
2148
2149     const Qt::SortOrder sortOrder = props.sortOrder();
2150     if (sortOrder != m_model->sortOrder()) {
2151         m_model->setSortOrder(sortOrder);
2152         Q_EMIT sortOrderChanged(sortOrder);
2153     }
2154
2155     const QByteArray groupRole = props.groupRole();
2156     if (groupRole != m_model->groupRole()) {
2157         m_model->setGroupRole(groupRole);
2158         Q_EMIT groupRoleChanged(groupRole);
2159     }
2160
2161     const Qt::SortOrder groupOrder = props.groupOrder();
2162     if (groupOrder != m_model->groupOrder()) {
2163         m_model->setGroupOrder(groupOrder);
2164         Q_EMIT groupOrderChanged(groupOrder);
2165     }
2166
2167     const bool sortFoldersFirst = props.sortFoldersFirst();
2168     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
2169         m_model->setSortDirectoriesFirst(sortFoldersFirst);
2170         Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
2171     }
2172
2173     const bool sortHiddenLast = props.sortHiddenLast();
2174     if (sortHiddenLast != m_model->sortHiddenLast()) {
2175         m_model->setSortHiddenLast(sortHiddenLast);
2176         Q_EMIT sortHiddenLastChanged(sortHiddenLast);
2177     }
2178
2179     const QList<QByteArray> visibleRoles = props.visibleRoles();
2180     if (visibleRoles != m_visibleRoles) {
2181         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
2182         m_visibleRoles = visibleRoles;
2183         m_view->setVisibleRoles(visibleRoles);
2184         Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
2185     }
2186
2187     const bool previewsShown = props.previewsShown();
2188     if (previewsShown != m_view->previewsShown()) {
2189         const int oldZoomLevel = zoomLevel();
2190
2191         m_view->setPreviewsShown(previewsShown);
2192         Q_EMIT previewsShownChanged(previewsShown);
2193
2194         // Changing the preview-state might result in a changed zoom-level
2195         if (oldZoomLevel != zoomLevel()) {
2196             Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
2197         }
2198     }
2199
2200     KItemListView *itemListView = m_container->controller()->view();
2201     if (itemListView->isHeaderVisible()) {
2202         KItemListHeader *header = itemListView->header();
2203         const QList<int> headerColumnWidths = props.headerColumnWidths();
2204         const int rolesCount = m_visibleRoles.count();
2205         if (headerColumnWidths.count() == rolesCount) {
2206             header->setAutomaticColumnResizing(false);
2207
2208             QHash<QByteArray, qreal> columnWidths;
2209             for (int i = 0; i < rolesCount; ++i) {
2210                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
2211             }
2212             header->setColumnWidths(columnWidths);
2213         } else {
2214             header->setAutomaticColumnResizing(true);
2215         }
2216         header->setSidePadding(DetailsModeSettings::sidePadding());
2217     }
2218
2219     m_view->endTransaction();
2220 }
2221
2222 void DolphinView::applyModeToView()
2223 {
2224     switch (m_mode) {
2225     case IconsView:
2226         m_view->setItemLayout(KFileItemListView::IconsLayout);
2227         break;
2228     case CompactView:
2229         m_view->setItemLayout(KFileItemListView::CompactLayout);
2230         break;
2231     case DetailsView:
2232         m_view->setItemLayout(KFileItemListView::DetailsLayout);
2233         break;
2234     default:
2235         Q_ASSERT(false);
2236         break;
2237     }
2238 }
2239
2240 void DolphinView::pasteToUrl(const QUrl &url)
2241 {
2242     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
2243     KJobWidgets::setWindow(job, this);
2244     m_clearSelectionBeforeSelectingNewItems = true;
2245     m_markFirstNewlySelectedItemAsCurrent = true;
2246     m_selectJobCreatedItems = true;
2247     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
2248     connect(job, &KIO::PasteJob::copyJobStarted, this, [this](const KIO::CopyJob *copyJob) {
2249         connect(copyJob, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
2250         connect(copyJob, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
2251         connect(copyJob, &KIO::CopyJob::linking, this, [this](KIO::Job *job, const QString &src, const QUrl &dest) {
2252             Q_UNUSED(job)
2253             Q_UNUSED(src)
2254             slotItemCreated(dest);
2255         });
2256     });
2257     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotJobResult);
2258 }
2259
2260 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
2261 {
2262     QList<QUrl> urls;
2263
2264     const KFileItemList items = selectedItems();
2265     urls.reserve(items.count());
2266     for (const KFileItem &item : items) {
2267         urls.append(item.url());
2268     }
2269
2270     if (itemsExpandable()) {
2271         // TODO: Check if we still need KDirModel for this in KDE 5.0
2272         urls = KDirModel::simplifiedUrlList(urls);
2273     }
2274
2275     return urls;
2276 }
2277
2278 QMimeData *DolphinView::selectionMimeData() const
2279 {
2280     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
2281     const KItemSet selectedIndexes = selectionManager->selectedItems();
2282
2283     return m_model->createMimeData(selectedIndexes);
2284 }
2285
2286 void DolphinView::updateWritableState()
2287 {
2288     const bool wasFolderWritable = m_isFolderWritable;
2289     m_isFolderWritable = false;
2290
2291     KFileItem item = m_model->rootItem();
2292     if (item.isNull()) {
2293         // Try to find out if the URL is writable even if the "root item" is
2294         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
2295         item = KFileItem(url());
2296         item.setDelayedMimeTypes(true);
2297     }
2298
2299     KFileItemListProperties capabilities(KFileItemList() << item);
2300     m_isFolderWritable = capabilities.supportsWriting();
2301
2302     if (m_isFolderWritable != wasFolderWritable) {
2303         Q_EMIT writeStateChanged(m_isFolderWritable);
2304     }
2305 }
2306
2307 bool DolphinView::isFolderWritable() const
2308 {
2309     return m_isFolderWritable;
2310 }
2311
2312 QUrl DolphinView::viewPropertiesUrl() const
2313 {
2314     if (m_viewPropertiesContext.isEmpty()) {
2315         return m_url;
2316     }
2317
2318     QUrl url;
2319     url.setScheme(m_url.scheme());
2320     url.setPath(m_viewPropertiesContext);
2321     return url;
2322 }
2323
2324 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl> &urls)
2325 {
2326     forceUrlsSelection(urls.first(), urls);
2327 }
2328
2329 void DolphinView::forceUrlsSelection(const QUrl &current, const QList<QUrl> &selected)
2330 {
2331     clearSelection();
2332     m_clearSelectionBeforeSelectingNewItems = true;
2333     markUrlAsCurrent(current);
2334     markUrlsAsSelected(selected);
2335 }
2336
2337 void DolphinView::copyPathToClipboard()
2338 {
2339     const KFileItemList list = selectedItems();
2340     if (list.isEmpty()) {
2341         return;
2342     }
2343     const KFileItem &item = list.at(0);
2344     QString path = item.localPath();
2345     if (path.isEmpty()) {
2346         path = item.url().toDisplayString();
2347     }
2348     QClipboard *clipboard = QApplication::clipboard();
2349     if (clipboard == nullptr) {
2350         return;
2351     }
2352     clipboard->setText(QDir::toNativeSeparators(path));
2353 }
2354
2355 void DolphinView::slotIncreaseZoom()
2356 {
2357     setZoomLevel(zoomLevel() + 1);
2358 }
2359
2360 void DolphinView::slotDecreaseZoom()
2361 {
2362     setZoomLevel(zoomLevel() - 1);
2363 }
2364
2365 void DolphinView::slotSwipeUp()
2366 {
2367     Q_EMIT goUpRequested();
2368 }
2369
2370 void DolphinView::showLoadingPlaceholder()
2371 {
2372     m_placeholderLabel->setText(i18n("Loading…"));
2373     m_placeholderLabel->setVisible(true);
2374 }
2375
2376 void DolphinView::updatePlaceholderLabel()
2377 {
2378     m_showLoadingPlaceholderTimer->stop();
2379     if (itemsCount() > 0) {
2380         m_placeholderLabel->setVisible(false);
2381         return;
2382     }
2383
2384     if (m_loadingState == LoadingState::Loading) {
2385         m_placeholderLabel->setVisible(false);
2386         m_showLoadingPlaceholderTimer->start();
2387         return;
2388     }
2389
2390     if (m_loadingState == LoadingState::Canceled) {
2391         m_placeholderLabel->setText(i18n("Loading canceled"));
2392     } else if (!nameFilter().isEmpty()) {
2393         m_placeholderLabel->setText(i18n("No items matching the filter"));
2394     } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
2395         m_placeholderLabel->setText(i18n("No items matching the search"));
2396     } else if (m_url.scheme() == QLatin1String("trash") && m_url.path() == QLatin1String("/")) {
2397         m_placeholderLabel->setText(i18n("Trash is empty"));
2398     } else if (m_url.scheme() == QLatin1String("tags")) {
2399         if (m_url.path() == QLatin1Char('/')) {
2400             m_placeholderLabel->setText(i18n("No tags"));
2401         } else {
2402             const QString tagName = m_url.path().mid(1); // Remove leading /
2403             m_placeholderLabel->setText(i18n("No files tagged with \"%1\"", tagName));
2404         }
2405
2406     } else if (m_url.scheme() == QLatin1String("recentlyused")) {
2407         m_placeholderLabel->setText(i18n("No recently used items"));
2408     } else if (m_url.scheme() == QLatin1String("smb")) {
2409         m_placeholderLabel->setText(i18n("No shared folders found"));
2410     } else if (m_url.scheme() == QLatin1String("network")) {
2411         m_placeholderLabel->setText(i18n("No relevant network resources found"));
2412     } else if (m_url.scheme() == QLatin1String("mtp") && m_url.path() == QLatin1String("/")) {
2413         m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
2414     } else if (m_url.scheme() == QLatin1String("afc") && m_url.path() == QLatin1String("/")) {
2415         m_placeholderLabel->setText(i18n("No Apple devices found"));
2416     } else if (m_url.scheme() == QLatin1String("bluetooth")) {
2417         m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
2418     } else {
2419         m_placeholderLabel->setText(i18n("Folder is empty"));
2420     }
2421
2422     m_placeholderLabel->setVisible(true);
2423 }
2424
2425 bool DolphinView::tryShowNameToolTip(QHelpEvent *event)
2426 {
2427     if (!GeneralSettings::showToolTips() && m_mode == DolphinView::IconsView) {
2428         const std::optional<int> index = m_view->itemAt(event->pos());
2429
2430         if (!index.has_value()) {
2431             return false;
2432         }
2433
2434         // Check whether the filename has been elided
2435         const bool isElided = m_view->isElided(index.value());
2436
2437         if (isElided) {
2438             const KFileItem item = m_model->fileItem(index.value());
2439             const QString text = item.text();
2440             const QPoint pos = mapToGlobal(event->pos());
2441             QToolTip::showText(pos, text);
2442             return true;
2443         }
2444     }
2445     return false;
2446 }
2447
2448 #include "moc_dolphinview.cpp"