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