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