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