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
 123     // The EnlargeSmallPreviews setting can only be changed after the model
 124     // has been set in the view by KItemListController.
 125     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 126
 127     m_container = new KItemListContainer(controller, this);
 128     m_container->installEventFilter(this);
 129 #ifndef QT_NO_ACCESSIBILITY
 130     m_view->setAccessibleParentsObject(m_container);
 131 #endif
 132     setFocusProxy(m_container);
 133     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, [=] {
 134         hideToolTip();
 135     });
 136     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, [=] {
 137         hideToolTip();
 138     });
 139
 140     m_showLoadingPlaceholderTimer = new QTimer(this);
 141     m_showLoadingPlaceholderTimer->setInterval(500);
 142     m_showLoadingPlaceholderTimer->setSingleShot(true);
 143     connect(m_showLoadingPlaceholderTimer, &QTimer::timeout, this, &DolphinView::showLoadingPlaceholder);
 144
 145     // Show some placeholder text for empty folders
 146     // This is made using a heavily-modified QLabel rather than a KTitleWidget
 147     // because KTitleWidget can't be told to turn off mouse-selectable text
 148     m_placeholderLabel = new QLabel(this);
 149     QFont placeholderLabelFont;
 150     // To match the size of a level 2 Heading/KTitleWidget
 151     placeholderLabelFont.setPointSize(qRound(placeholderLabelFont.pointSize() * 1.3));
 152     m_placeholderLabel->setFont(placeholderLabelFont);
 153     m_placeholderLabel->setTextInteractionFlags(Qt::NoTextInteraction);
 154     m_placeholderLabel->setWordWrap(true);
 155     m_placeholderLabel->setAlignment(Qt::AlignCenter);
 156     // Match opacity of QML placeholder label component
 157     auto *effect = new QGraphicsOpacityEffect(m_placeholderLabel);
 158     effect->setOpacity(0.5);
 159     m_placeholderLabel->setGraphicsEffect(effect);
 160     // Set initial text and visibility
 161     updatePlaceholderLabel();
 162
 163     auto *centeringLayout = new QVBoxLayout(m_container);
 164     centeringLayout->addWidget(m_placeholderLabel);
 165     centeringLayout->setAlignment(m_placeholderLabel, Qt::AlignCenter);
 166     m_placeholderLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 167     connect(m_placeholderLabel, &QWidget::customContextMenuRequested, this, [this](const QPoint &pos) {
 168         slotViewContextMenuRequested(m_placeholderLabel->mapToGlobal(pos));
 169     });
 170
 171     controller->setSelectionBehavior(KItemListController::MultiSelection);
 172     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 173     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 174     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 175     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 176     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 177     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 178     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 179     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 180     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 181     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 182     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 183     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 184     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 185     connect(controller, &KItemListController::increaseZoom, this, &DolphinView::slotIncreaseZoom);
 186     connect(controller, &KItemListController::decreaseZoom, this, &DolphinView::slotDecreaseZoom);
 187     connect(controller, &KItemListController::swipeUp, this, &DolphinView::slotSwipeUp);
 188     connect(controller, &KItemListController::selectionModeChangeRequested, this, &DolphinView::selectionModeChangeRequested);
 189
 190     connect(m_model, &KFileItemModel::directoryLoadingStarted, this, &DolphinView::slotDirectoryLoadingStarted);
 191     connect(m_model, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
 192     connect(m_model, &KFileItemModel::directoryLoadingCanceled, this, &DolphinView::slotDirectoryLoadingCanceled);
 193     connect(m_model, &KFileItemModel::directoryLoadingProgress, this, &DolphinView::directoryLoadingProgress);
 194     connect(m_model, &KFileItemModel::directorySortingProgress, this, &DolphinView::directorySortingProgress);
 195     connect(m_model, &KFileItemModel::itemsChanged, this, &DolphinView::slotItemsChanged);
 196     connect(m_model, &KFileItemModel::itemsRemoved, this, &DolphinView::itemCountChanged);
 197     connect(m_model, &KFileItemModel::itemsInserted, this, &DolphinView::itemCountChanged);
 198     connect(m_model, &KFileItemModel::infoMessage, this, &DolphinView::infoMessage);
 199     connect(m_model, &KFileItemModel::errorMessage, this, &DolphinView::errorMessage);
 200     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 201     connect(m_model, &KFileItemModel::urlIsFileError, this, &DolphinView::urlIsFileError);
 202     connect(m_model, &KFileItemModel::fileItemsChanged, this, &DolphinView::fileItemsChanged);
 203     // #473377: Use a QueuedConnection to avoid modifying KCoreDirLister before KCoreDirListerCache::deleteDir() returns.
 204     connect(m_model, &KFileItemModel::currentDirectoryRemoved, this, &DolphinView::currentDirectoryRemoved, Qt::QueuedConnection);
 205
 206     connect(this, &DolphinView::itemCountChanged, this, &DolphinView::updatePlaceholderLabel);
 207
 208     m_view->installEventFilter(this);
 209     connect(m_view, &DolphinItemListView::sortOrderChanged, this, &DolphinView::slotSortOrderChangedByHeader);
 210     connect(m_view, &DolphinItemListView::sortRoleChanged, this, &DolphinView::slotSortRoleChangedByHeader);
 211     connect(m_view, &DolphinItemListView::visibleRolesChanged, this, &DolphinView::slotVisibleRolesChangedByHeader);
 212     connect(m_view, &DolphinItemListView::roleEditingCanceled, this, &DolphinView::slotRoleEditingCanceled);
 213
 214     connect(m_view, &DolphinItemListView::columnHovered, this, [this](int columnIndex) {
 215         m_hoveredColumnHeaderIndex = columnIndex;
 216     });
 217     connect(m_view, &DolphinItemListView::columnUnHovered, this, [this](int /* columnIndex */) {
 218         m_hoveredColumnHeaderIndex = std::nullopt;
 219     });
 220     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished, this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 221     connect(m_view->header(), &KItemListHeader::sidePaddingChanged, this, &DolphinView::slotSidePaddingWidthChanged);
 222
 223     KItemListSelectionManager *selectionManager = controller->selectionManager();
 224     connect(selectionManager, &KItemListSelectionManager::selectionChanged, this, &DolphinView::slotSelectionChanged);
 225
 226 #if HAVE_BALOO
 227     m_toolTipManager = new ToolTipManager(this);
 228     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 229 #endif
 230
 231     m_versionControlObserver = new VersionControlObserver(this);
 232     m_versionControlObserver->setView(this);
 233     m_versionControlObserver->setModel(m_model);
 234     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 235     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 236     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 237
 238     m_twoClicksRenamingTimer = new QTimer(this);
 239     m_twoClicksRenamingTimer->setSingleShot(true);
 240     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 241
 242     applyViewProperties();
 243     m_topLayout->addWidget(m_container);
 244
 245     loadDirectory(url);
 246 }
 247
 248 DolphinView::~DolphinView()
 249 {
 250     disconnect(m_container->controller(), &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 251 }
 252
 253 QUrl DolphinView::url() const
 254 {
 255     return m_url;
 256 }
 257
 258 void DolphinView::setActive(bool active)
 259 {
 260     if (active == m_active) {
 261         return;
 262     }
 263
 264     m_active = active;
 265
 266     updatePalette();
 267
 268     if (active) {
 269         m_container->setFocus();
 270         Q_EMIT activated();
 271     }
 272 }
 273
 274 bool DolphinView::isActive() const
 275 {
 276     return m_active;
 277 }
 278
 279 void DolphinView::setViewMode(Mode mode)
 280 {
 281     if (mode != m_mode) {
 282         // Reset scrollbars before changing the view mode.
 283         m_container->horizontalScrollBar()->setValue(0);
 284         m_container->verticalScrollBar()->setValue(0);
 285
 286         ViewProperties props(viewPropertiesUrl());
 287         props.setViewMode(mode);
 288
 289         // We pass the new ViewProperties to applyViewProperties, rather than
 290         // storing them on disk and letting applyViewProperties() read them
 291         // from there, to prevent that changing the view mode fails if the
 292         // .directory file is not writable (see bug 318534).
 293         applyViewProperties(props);
 294     }
 295 }
 296
 297 DolphinView::Mode DolphinView::viewMode() const
 298 {
 299     return m_mode;
 300 }
 301
 302 void DolphinView::setSelectionModeEnabled(const bool enabled)
 303 {
 304     if (enabled) {
 305         if (!m_proxyStyle) {
 306             m_proxyStyle = std::make_unique<SelectionMode::SingleClickSelectionProxyStyle>();
 307         }
 308         setStyle(m_proxyStyle.get());
 309         m_view->setStyle(m_proxyStyle.get());
 310         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::False);
 311     } else {
 312         setStyle(nullptr);
 313         m_view->setStyle(nullptr);
 314         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::FollowSetting);
 315     }
 316     m_container->controller()->setSelectionModeEnabled(enabled);
 317 }
 318
 319 bool DolphinView::selectionMode() const
 320 {
 321     return m_container->controller()->selectionMode();
 322 }
 323
 324 void DolphinView::setPreviewsShown(bool show)
 325 {
 326     if (previewsShown() == show) {
 327         return;
 328     }
 329
 330     ViewProperties props(viewPropertiesUrl());
 331     props.setPreviewsShown(show);
 332
 333     const int oldZoomLevel = m_view->zoomLevel();
 334     m_view->setPreviewsShown(show);
 335     Q_EMIT previewsShownChanged(show);
 336
 337     const int newZoomLevel = m_view->zoomLevel();
 338     if (newZoomLevel != oldZoomLevel) {
 339         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 340     }
 341 }
 342
 343 bool DolphinView::previewsShown() const
 344 {
 345     return m_view->previewsShown();
 346 }
 347
 348 void DolphinView::setHiddenFilesShown(bool show)
 349 {
 350     if (m_model->showHiddenFiles() == show) {
 351         return;
 352     }
 353
 354     const KFileItemList itemList = selectedItems();
 355     m_selectedUrls.clear();
 356     m_selectedUrls = itemList.urlList();
 357
 358     ViewProperties props(viewPropertiesUrl());
 359     props.setHiddenFilesShown(show);
 360
 361     m_model->setShowHiddenFiles(show);
 362     Q_EMIT hiddenFilesShownChanged(show);
 363 }
 364
 365 bool DolphinView::hiddenFilesShown() const
 366 {
 367     return m_model->showHiddenFiles();
 368 }
 369
 370 void DolphinView::setGroupedSorting(bool grouped)
 371 {
 372     if (grouped == groupedSorting()) {
 373         return;
 374     }
 375
 376     ViewProperties props(viewPropertiesUrl());
 377     props.setGroupedSorting(grouped);
 378     props.save();
 379
 380     m_container->controller()->model()->setGroupedSorting(grouped);
 381
 382     Q_EMIT groupedSortingChanged(grouped);
 383 }
 384
 385 bool DolphinView::groupedSorting() const
 386 {
 387     return m_model->groupedSorting();
 388 }
 389
 390 KFileItemList DolphinView::items() const
 391 {
 392     KFileItemList list;
 393     const int itemCount = m_model->count();
 394     list.reserve(itemCount);
 395
 396     for (int i = 0; i < itemCount; ++i) {
 397         list.append(m_model->fileItem(i));
 398     }
 399
 400     return list;
 401 }
 402
 403 int DolphinView::itemsCount() const
 404 {
 405     return m_model->count();
 406 }
 407
 408 KFileItemList DolphinView::selectedItems() const
 409 {
 410     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 411
 412     KFileItemList selectedItems;
 413     const auto items = selectionManager->selectedItems();
 414     selectedItems.reserve(items.count());
 415     for (int index : items) {
 416         selectedItems.append(m_model->fileItem(index));
 417     }
 418     return selectedItems;
 419 }
 420
 421 int DolphinView::selectedItemsCount() const
 422 {
 423     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 424     return selectionManager->selectedItems().count();
 425 }
 426
 427 void DolphinView::markUrlsAsSelected(const QList<QUrl> &urls)
 428 {
 429     m_selectedUrls = urls;
 430     m_selectJobCreatedItems = false;
 431 }
 432
 433 void DolphinView::markUrlAsCurrent(const QUrl &url)
 434 {
 435     m_currentItemUrl = url;
 436     m_scrollToCurrentItem = true;
 437 }
 438
 439 void DolphinView::selectItems(const QRegularExpression &regexp, bool enabled)
 440 {
 441     const KItemListSelectionManager::SelectionMode mode = enabled ? KItemListSelectionManager::Select : KItemListSelectionManager::Deselect;
 442     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 443
 444     for (int index = 0; index < m_model->count(); index++) {
 445         const KFileItem item = m_model->fileItem(index);
 446         if (regexp.match(item.text()).hasMatch()) {
 447             // An alternative approach would be to store the matching items in a KItemSet and
 448             // select them in one go after the loop, but we'd need a new function
 449             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 450             // for that.
 451             selectionManager->setSelected(index, 1, mode);
 452         }
 453     }
 454 }
 455
 456 void DolphinView::setZoomLevel(int level)
 457 {
 458     const int oldZoomLevel = zoomLevel();
 459     m_view->setZoomLevel(level);
 460     if (zoomLevel() != oldZoomLevel) {
 461         hideToolTip();
 462         Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
 463     }
 464 }
 465
 466 int DolphinView::zoomLevel() const
 467 {
 468     return m_view->zoomLevel();
 469 }
 470
 471 void DolphinView::setSortRole(const QByteArray &role)
 472 {
 473     if (role != sortRole()) {
 474         ViewProperties props(viewPropertiesUrl());
 475         props.setSortRole(role);
 476
 477         KItemModelBase *model = m_container->controller()->model();
 478         model->setSortRole(role);
 479
 480         Q_EMIT sortRoleChanged(role);
 481     }
 482 }
 483
 484 QByteArray DolphinView::sortRole() const
 485 {
 486     const KItemModelBase *model = m_container->controller()->model();
 487     return model->sortRole();
 488 }
 489
 490 void DolphinView::setSortOrder(Qt::SortOrder order)
 491 {
 492     if (sortOrder() != order) {
 493         ViewProperties props(viewPropertiesUrl());
 494         props.setSortOrder(order);
 495
 496         m_model->setSortOrder(order);
 497
 498         Q_EMIT sortOrderChanged(order);
 499     }
 500 }
 501
 502 Qt::SortOrder DolphinView::sortOrder() const
 503 {
 504     return m_model->sortOrder();
 505 }
 506
 507 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 508 {
 509     if (sortFoldersFirst() != foldersFirst) {
 510         updateSortFoldersFirst(foldersFirst);
 511     }
 512 }
 513
 514 bool DolphinView::sortFoldersFirst() const
 515 {
 516     return m_model->sortDirectoriesFirst();
 517 }
 518
 519 void DolphinView::setSortHiddenLast(bool hiddenLast)
 520 {
 521     if (sortHiddenLast() != hiddenLast) {
 522         updateSortHiddenLast(hiddenLast);
 523     }
 524 }
 525
 526 bool DolphinView::sortHiddenLast() const
 527 {
 528     return m_model->sortHiddenLast();
 529 }
 530
 531 void DolphinView::setVisibleRoles(const QList<QByteArray> &roles)
 532 {
 533     const QList<QByteArray> previousRoles = roles;
 534
 535     ViewProperties props(viewPropertiesUrl());
 536     props.setVisibleRoles(roles);
 537
 538     m_visibleRoles = roles;
 539     m_view->setVisibleRoles(roles);
 540
 541     Q_EMIT visibleRolesChanged(m_visibleRoles, previousRoles);
 542 }
 543
 544 QList<QByteArray> DolphinView::visibleRoles() const
 545 {
 546     return m_visibleRoles;
 547 }
 548
 549 void DolphinView::reload()
 550 {
 551     QByteArray viewState;
 552     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 553     saveState(saveStream);
 554
 555     setUrl(url());
 556     loadDirectory(url(), true);
 557
 558     QDataStream restoreStream(viewState);
 559     restoreState(restoreStream);
 560 }
 561
 562 void DolphinView::readSettings()
 563 {
 564     const int oldZoomLevel = m_view->zoomLevel();
 565
 566     GeneralSettings::self()->load();
 567     m_view->readSettings();
 568     applyViewProperties();
 569
 570     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 571     m_container->controller()->setAutoActivationDelay(delay);
 572
 573     const int newZoomLevel = m_view->zoomLevel();
 574     if (newZoomLevel != oldZoomLevel) {
 575         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 576     }
 577 }
 578
 579 void DolphinView::writeSettings()
 580 {
 581     GeneralSettings::self()->save();
 582     m_view->writeSettings();
 583 }
 584
 585 void DolphinView::setNameFilter(const QString &nameFilter)
 586 {
 587     m_model->setNameFilter(nameFilter);
 588 }
 589
 590 QString DolphinView::nameFilter() const
 591 {
 592     return m_model->nameFilter();
 593 }
 594
 595 void DolphinView::setMimeTypeFilters(const QStringList &filters)
 596 {
 597     return m_model->setMimeTypeFilters(filters);
 598 }
 599
 600 QStringList DolphinView::mimeTypeFilters() const
 601 {
 602     return m_model->mimeTypeFilters();
 603 }
 604
 605 void DolphinView::requestStatusBarText()
 606 {
 607     if (m_statJobForStatusBarText) {
 608         // Kill the pending request.
 609         m_statJobForStatusBarText->kill();
 610     }
 611
 612     if (m_container->controller()->selectionManager()->hasSelection()) {
 613         int folderCount = 0;
 614         int fileCount = 0;
 615         KIO::filesize_t totalFileSize = 0;
 616
 617         // Give a summary of the status of the selected files
 618         const KFileItemList list = selectedItems();
 619         for (const KFileItem &item : list) {
 620             if (item.isDir()) {
 621                 ++folderCount;
 622             } else {
 623                 ++fileCount;
 624                 totalFileSize += item.size();
 625             }
 626         }
 627
 628         if (folderCount + fileCount == 1) {
 629             // If only one item is selected, show info about it
 630             Q_EMIT statusBarTextChanged(list.first().getStatusBarInfo());
 631         } else {
 632             // At least 2 items are selected
 633             emitStatusBarText(folderCount, fileCount, totalFileSize, HasSelection);
 634         }
 635     } else { // has no selection
 636         if (!m_model->rootItem().url().isValid()) {
 637             return;
 638         }
 639
 640         m_statJobForStatusBarText = KIO::stat(m_model->rootItem().url(), KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
 641         connect(m_statJobForStatusBarText, &KJob::result, this, &DolphinView::slotStatJobResult);
 642         m_statJobForStatusBarText->start();
 643     }
 644 }
 645
 646 void DolphinView::emitStatusBarText(const int folderCount, const int fileCount, KIO::filesize_t totalFileSize, const Selection selection)
 647 {
 648     QString foldersText;
 649     QString filesText;
 650     QString summary;
 651
 652     if (selection == HasSelection) {
 653         // At least 2 items are selected because the case of 1 selected item is handled in
 654         // DolphinView::requestStatusBarText().
 655         foldersText = i18ncp("@info:status", "1 folder selected", "%1 folders selected", folderCount);
 656         filesText = i18ncp("@info:status", "1 file selected", "%1 files selected", fileCount);
 657     } else {
 658         foldersText = i18ncp("@info:status", "1 folder", "%1 folders", folderCount);
 659         filesText = i18ncp("@info:status", "1 file", "%1 files", fileCount);
 660     }
 661
 662     if (fileCount > 0 && folderCount > 0) {
 663         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)", foldersText, filesText, KFormat().formatByteSize(totalFileSize));
 664     } else if (fileCount > 0) {
 665         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, KFormat().formatByteSize(totalFileSize));
 666     } else if (folderCount > 0) {
 667         summary = foldersText;
 668     } else {
 669         summary = i18nc("@info:status", "0 folders, 0 files");
 670     }
 671     Q_EMIT statusBarTextChanged(summary);
 672 }
 673
 674 QList<QAction *> DolphinView::versionControlActions(const KFileItemList &items) const
 675 {
 676     QList<QAction *> actions;
 677
 678     if (items.isEmpty()) {
 679         const KFileItem item = m_model->rootItem();
 680         if (!item.isNull()) {
 681             actions = m_versionControlObserver->actions(KFileItemList() << item);
 682         }
 683     } else {
 684         actions = m_versionControlObserver->actions(items);
 685     }
 686
 687     return actions;
 688 }
 689
 690 void DolphinView::setUrl(const QUrl &url)
 691 {
 692     if (url == m_url) {
 693         return;
 694     }
 695
 696     clearSelection();
 697
 698     m_url = url;
 699
 700     hideToolTip();
 701
 702     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 703
 704     // It is important to clear the items from the model before
 705     // applying the view properties, otherwise expensive operations
 706     // might be done on the existing items although they get cleared
 707     // anyhow afterwards by loadDirectory().
 708     m_model->clear();
 709     applyViewProperties();
 710     loadDirectory(url);
 711
 712     Q_EMIT urlChanged(url);
 713 }
 714
 715 void DolphinView::selectAll()
 716 {
 717     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 718     selectionManager->setSelected(0, m_model->count());
 719 }
 720
 721 void DolphinView::invertSelection()
 722 {
 723     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 724     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 725 }
 726
 727 void DolphinView::clearSelection()
 728 {
 729     m_selectJobCreatedItems = false;
 730     m_selectedUrls.clear();
 731     m_container->controller()->selectionManager()->clearSelection();
 732 }
 733
 734 void DolphinView::renameSelectedItems()
 735 {
 736     const KFileItemList items = selectedItems();
 737     if (items.isEmpty()) {
 738         return;
 739     }
 740
 741     if (items.count() == 1 && GeneralSettings::renameInline()) {
 742         const int index = m_model->index(items.first());
 743
 744         connect(
 745             m_view,
 746             &KItemListView::scrollingStopped,
 747             this,
 748             [this, index]() {
 749                 m_view->editRole(index, "text");
 750
 751                 hideToolTip();
 752
 753                 connect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 754             },
 755             Qt::SingleShotConnection);
 756         m_view->scrollToItem(index);
 757
 758     } else {
 759         KIO::RenameFileDialog *dialog = new KIO::RenameFileDialog(items, this);
 760         connect(dialog, &KIO::RenameFileDialog::renamingFinished, this, &DolphinView::slotRenameDialogRenamingFinished);
 761
 762         dialog->open();
 763     }
 764
 765     // Assure that the current index remains visible when KFileItemModel
 766     // will notify the view about changed items (which might result in
 767     // a changed sorting).
 768     m_assureVisibleCurrentIndex = true;
 769 }
 770
 771 void DolphinView::trashSelectedItems()
 772 {
 773     const QList<QUrl> list = simplifiedSelectedUrls();
 774
 775     using Iface = KIO::AskUserActionInterface;
 776     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Trash, Iface::DefaultConfirmation, this);
 777     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 778     m_selectNextItem = true;
 779     trashJob->start();
 780 }
 781
 782 void DolphinView::deleteSelectedItems()
 783 {
 784     const QList<QUrl> list = simplifiedSelectedUrls();
 785
 786     using Iface = KIO::AskUserActionInterface;
 787     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Delete, Iface::DefaultConfirmation, this);
 788     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 789     m_selectNextItem = true;
 790     trashJob->start();
 791 }
 792
 793 void DolphinView::cutSelectedItemsToClipboard()
 794 {
 795     QMimeData *mimeData = selectionMimeData();
 796     KIO::setClipboardDataCut(mimeData, true);
 797     KUrlMimeData::exportUrlsToPortal(mimeData);
 798     QApplication::clipboard()->setMimeData(mimeData);
 799 }
 800
 801 void DolphinView::copySelectedItemsToClipboard()
 802 {
 803     QMimeData *mimeData = selectionMimeData();
 804     KUrlMimeData::exportUrlsToPortal(mimeData);
 805     QApplication::clipboard()->setMimeData(mimeData);
 806 }
 807
 808 void DolphinView::copySelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 809 {
 810     if (selection.isEmpty() || !destinationUrl.isValid()) {
 811         return;
 812     }
 813
 814     m_clearSelectionBeforeSelectingNewItems = true;
 815     m_markFirstNewlySelectedItemAsCurrent = true;
 816     m_selectJobCreatedItems = true;
 817
 818     KIO::CopyJob *job = KIO::copy(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 819     KJobWidgets::setWindow(job, this);
 820
 821     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 822     connect(job, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
 823     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 824     KIO::FileUndoManager::self()->recordCopyJob(job);
 825 }
 826
 827 void DolphinView::moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 828 {
 829     if (selection.isEmpty() || !destinationUrl.isValid()) {
 830         return;
 831     }
 832
 833     m_clearSelectionBeforeSelectingNewItems = true;
 834     m_markFirstNewlySelectedItemAsCurrent = true;
 835     m_selectJobCreatedItems = true;
 836
 837     KIO::CopyJob *job = KIO::move(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 838     KJobWidgets::setWindow(job, this);
 839
 840     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 841     connect(job, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
 842     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 843     KIO::FileUndoManager::self()->recordCopyJob(job);
 844 }
 845
 846 void DolphinView::paste()
 847 {
 848     pasteToUrl(url());
 849 }
 850
 851 void DolphinView::pasteIntoFolder()
 852 {
 853     const KFileItemList items = selectedItems();
 854     if ((items.count() == 1) && items.first().isDir()) {
 855         pasteToUrl(items.first().url());
 856     }
 857 }
 858
 859 void DolphinView::duplicateSelectedItems()
 860 {
 861     const KFileItemList itemList = selectedItems();
 862     if (itemList.isEmpty()) {
 863         return;
 864     }
 865
 866     const QMimeDatabase db;
 867
 868     m_clearSelectionBeforeSelectingNewItems = true;
 869     m_markFirstNewlySelectedItemAsCurrent = true;
 870     m_selectJobCreatedItems = true;
 871
 872     // Duplicate all selected items and append "copy" to the end of the file name
 873     // but before the filename extension, if present
 874     for (const auto &item : itemList) {
 875         const QUrl originalURL = item.url();
 876         const QString originalDirectoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 877         const QString originalFileName = item.name();
 878
 879         QString extension = db.suffixForFileName(originalFileName);
 880
 881         QUrl duplicateURL = originalURL;
 882
 883         // No extension; new filename is "<oldfilename> copy"
 884         if (extension.isEmpty()) {
 885             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFileName));
 886             // There's an extension; new filename is "<oldfilename> copy.<extension>"
 887         } else {
 888             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 889             extension = QLatin1String(".") + extension;
 890             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 891             // Preserve file's original filename extension in case the casing differs
 892             // from what QMimeDatabase::suffixForFileName() returned
 893             const QString originalExtension = originalFileName.right(extension.size());
 894             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFilenameWithoutExtension) + originalExtension);
 895         }
 896
 897         KIO::CopyJob *job = KIO::copyAs(originalURL, duplicateURL);
 898         job->setAutoRename(true);
 899         KJobWidgets::setWindow(job, this);
 900
 901         connect(job, &KIO::CopyJob::result, this, &DolphinView::slotJobResult);
 902         connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 903         connect(job, &KIO::CopyJob::copyingLinkDone, this, &DolphinView::slotItemLinkCreatedFromJob);
 904         KIO::FileUndoManager::self()->recordCopyJob(job);
 905     }
 906 }
 907
 908 void DolphinView::stopLoading()
 909 {
 910     m_model->cancelDirectoryLoading();
 911 }
 912
 913 void DolphinView::updatePalette()
 914 {
 915     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 916     if (!m_active) {
 917         color.setAlpha(150);
 918     }
 919
 920     QWidget *viewport = m_container->viewport();
 921     if (viewport) {
 922         QPalette palette;
 923         palette.setColor(viewport->backgroundRole(), color);
 924         viewport->setPalette(palette);
 925     }
 926
 927     update();
 928 }
 929
 930 void DolphinView::abortTwoClicksRenaming()
 931 {
 932     m_twoClicksRenamingItemUrl.clear();
 933     m_twoClicksRenamingTimer->stop();
 934 }
 935
 936 bool DolphinView::eventFilter(QObject *watched, QEvent *event)
 937 {
 938     switch (event->type()) {
 939     case QEvent::PaletteChange:
 940         updatePalette();
 941         QPixmapCache::clear();
 942         break;
 943
 944     case QEvent::WindowActivate:
 945     case QEvent::WindowDeactivate:
 946         updatePalette();
 947         break;
 948
 949     case QEvent::KeyPress:
 950         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 951         if (GeneralSettings::useTabForSwitchingSplitView()) {
 952             QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
 953             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 954                 Q_EMIT toggleActiveViewRequested();
 955                 return true;
 956             }
 957         }
 958         break;
 959     case QEvent::KeyRelease:
 960         if (static_cast<QKeyEvent *>(event)->key() == Qt::Key_Control) {
 961             m_controlWheelAccumulatedDelta = 0;
 962         }
 963         break;
 964     case QEvent::FocusIn:
 965         if (watched == m_container) {
 966             setActive(true);
 967         }
 968         break;
 969
 970     case QEvent::GraphicsSceneDragEnter:
 971         if (watched == m_view) {
 972             m_dragging = true;
 973             abortTwoClicksRenaming();
 974         }
 975         break;
 976
 977     case QEvent::GraphicsSceneDragLeave:
 978         if (watched == m_view) {
 979             m_dragging = false;
 980         }
 981         break;
 982
 983     case QEvent::GraphicsSceneDrop:
 984         if (watched == m_view) {
 985             m_dragging = false;
 986         }
 987         break;
 988
 989     case QEvent::ToolTip: {
 990         const auto helpEvent = static_cast<QHelpEvent *>(event);
 991         if (tryShowNameToolTip(helpEvent)) {
 992             return true;
 993
 994         } else if (m_hoveredColumnHeaderIndex) {
 995             const auto rolesInfo = KFileItemModel::rolesInformation();
 996             const auto visibleRole = m_visibleRoles.value(*m_hoveredColumnHeaderIndex);
 997
 998             for (const KFileItemModel::RoleInfo &info : rolesInfo) {
 999                 if (visibleRole == info.role) {
1000                     QToolTip::showText(helpEvent->globalPos(), info.tooltip, this);
1001                     return true;
1002                 }
1003             }
1004         }
1005         break;
1006     }
1007     default:
1008         break;
1009     }
1010
1011     return QWidget::eventFilter(watched, event);
1012 }
1013
1014 void DolphinView::wheelEvent(QWheelEvent *event)
1015 {
1016     if (event->modifiers().testFlag(Qt::ControlModifier)) {
1017         m_controlWheelAccumulatedDelta += event->angleDelta().y();
1018
1019         if (m_controlWheelAccumulatedDelta <= -QWheelEvent::DefaultDeltasPerStep) {
1020             slotDecreaseZoom();
1021             m_controlWheelAccumulatedDelta += QWheelEvent::DefaultDeltasPerStep;
1022         } else if (m_controlWheelAccumulatedDelta >= QWheelEvent::DefaultDeltasPerStep) {
1023             slotIncreaseZoom();
1024             m_controlWheelAccumulatedDelta -= QWheelEvent::DefaultDeltasPerStep;
1025         }
1026
1027         event->accept();
1028     } else {
1029         event->ignore();
1030     }
1031 }
1032
1033 void DolphinView::hideEvent(QHideEvent *event)
1034 {
1035     hideToolTip();
1036     QWidget::hideEvent(event);
1037 }
1038
1039 bool DolphinView::event(QEvent *event)
1040 {
1041     if (event->type() == QEvent::WindowDeactivate) {
1042         /* See Bug 297355
1043          * Dolphin leaves file preview tooltips open even when is not visible.
1044          *
1045          * Hide tool-tip when Dolphin loses focus.
1046          */
1047         hideToolTip();
1048         abortTwoClicksRenaming();
1049     }
1050
1051     return QWidget::event(event);
1052 }
1053
1054 void DolphinView::activate()
1055 {
1056     setActive(true);
1057 }
1058
1059 void DolphinView::slotItemActivated(int index)
1060 {
1061     abortTwoClicksRenaming();
1062
1063     const KFileItem item = m_model->fileItem(index);
1064     if (!item.isNull()) {
1065         Q_EMIT itemActivated(item);
1066     }
1067 }
1068
1069 void DolphinView::slotItemsActivated(const KItemSet &indexes)
1070 {
1071     Q_ASSERT(indexes.count() >= 2);
1072
1073     abortTwoClicksRenaming();
1074
1075     const auto modifiers = QGuiApplication::keyboardModifiers();
1076
1077     if (indexes.count() > 5) {
1078         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
1079         const int answer = KMessageBox::warningContinueCancel(
1080             this,
1081             question,
1082             {},
1083             KGuiItem(i18ncp("@action:button", "Open %1 Item", "Open %1 Items", indexes.count()), QStringLiteral("document-open")),
1084             KStandardGuiItem::cancel(),
1085             QStringLiteral("ConfirmOpenManyFolders"));
1086         if (answer != KMessageBox::PrimaryAction && answer != KMessageBox::Continue) {
1087             return;
1088         }
1089     }
1090
1091     KFileItemList items;
1092     items.reserve(indexes.count());
1093
1094     for (int index : indexes) {
1095         KFileItem item = m_model->fileItem(index);
1096         const QUrl &url = openItemAsFolderUrl(item);
1097
1098         if (!url.isEmpty()) {
1099             // Open folders in new tabs or in new windows depending on the modifier
1100             // The ctrl+shift behavior is ignored because we are handling multiple items
1101             // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1102             if (modifiers & Qt::ShiftModifier && !(modifiers & Qt::ControlModifier)) {
1103                 Q_EMIT windowRequested(url);
1104             } else {
1105                 Q_EMIT tabRequested(url);
1106             }
1107         } else {
1108             items.append(item);
1109         }
1110     }
1111
1112     if (items.count() == 1) {
1113         Q_EMIT itemActivated(items.first());
1114     } else if (items.count() > 1) {
1115         Q_EMIT itemsActivated(items);
1116     }
1117 }
1118
1119 void DolphinView::slotItemMiddleClicked(int index)
1120 {
1121     const KFileItem &item = m_model->fileItem(index);
1122     const QUrl &url = openItemAsFolderUrl(item);
1123     const auto modifiers = QGuiApplication::keyboardModifiers();
1124     if (!url.isEmpty()) {
1125         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1126         if (modifiers & Qt::ShiftModifier) {
1127             Q_EMIT activeTabRequested(url);
1128         } else {
1129             Q_EMIT tabRequested(url);
1130         }
1131     } else if (isTabsForFilesEnabled()) {
1132         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1133         if (modifiers & Qt::ShiftModifier) {
1134             Q_EMIT activeTabRequested(item.url());
1135         } else {
1136             Q_EMIT tabRequested(item.url());
1137         }
1138     } else {
1139         Q_EMIT fileMiddleClickActivated(item);
1140     }
1141 }
1142
1143 void DolphinView::slotItemContextMenuRequested(int index, const QPointF &pos)
1144 {
1145     // Force emit of a selection changed signal before we request the
1146     // context menu, to update the edit-actions first. (See Bug 294013)
1147     if (m_selectionChangedTimer->isActive()) {
1148         emitSelectionChangedSignal();
1149     }
1150
1151     const KFileItem item = m_model->fileItem(index);
1152     Q_EMIT requestContextMenu(pos.toPoint(), item, selectedItems(), url());
1153 }
1154
1155 void DolphinView::slotViewContextMenuRequested(const QPointF &pos)
1156 {
1157     Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), selectedItems(), url());
1158 }
1159
1160 void DolphinView::slotHeaderContextMenuRequested(const QPointF &pos)
1161 {
1162     ViewProperties props(viewPropertiesUrl());
1163
1164     QPointer<QMenu> menu = new QMenu(this);
1165
1166     KItemListView *view = m_container->controller()->view();
1167     const QList<QByteArray> visibleRolesSet = view->visibleRoles();
1168
1169     bool indexingEnabled = false;
1170 #if HAVE_BALOO
1171     Baloo::IndexerConfig config;
1172     indexingEnabled = config.fileIndexingEnabled();
1173 #endif
1174
1175     QString groupName;
1176     QMenu *groupMenu = nullptr;
1177
1178     // Add all roles to the menu that can be shown or hidden by the user
1179     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
1180     for (const KFileItemModel::RoleInfo &info : rolesInfo) {
1181         if (info.role == "text") {
1182             // It should not be possible to hide the "text" role
1183             continue;
1184         }
1185
1186         const QString text = m_model->roleDescription(info.role);
1187         QAction *action = nullptr;
1188         if (info.group.isEmpty()) {
1189             action = menu->addAction(text);
1190         } else {
1191             if (!groupMenu || info.group != groupName) {
1192                 groupName = info.group;
1193                 groupMenu = menu->addMenu(groupName);
1194             }
1195
1196             action = groupMenu->addAction(text);
1197         }
1198
1199         action->setCheckable(true);
1200         action->setChecked(visibleRolesSet.contains(info.role));
1201         action->setData(info.role);
1202         action->setToolTip(info.tooltip);
1203
1204         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) || (info.requiresBaloo) || (info.requiresIndexer && indexingEnabled);
1205         action->setEnabled(enable);
1206     }
1207
1208     menu->addSeparator();
1209
1210     QActionGroup *widthsGroup = new QActionGroup(menu);
1211     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1212
1213     QAction *toggleSidePaddingAction = menu->addAction(i18nc("@action:inmenu", "Side Padding"));
1214     toggleSidePaddingAction->setCheckable(true);
1215     toggleSidePaddingAction->setChecked(view->header()->sidePadding() > 0);
1216
1217     QAction *autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1218     autoAdjustWidthsAction->setCheckable(true);
1219     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1220     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1221
1222     QAction *customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1223     customWidthsAction->setCheckable(true);
1224     customWidthsAction->setChecked(!autoColumnWidths);
1225     customWidthsAction->setActionGroup(widthsGroup);
1226
1227     QAction *action = menu->exec(pos.toPoint());
1228     if (menu && action) {
1229         KItemListHeader *header = view->header();
1230
1231         if (action == autoAdjustWidthsAction) {
1232             // Clear the column-widths from the viewproperties and turn on
1233             // the automatic resizing of the columns
1234             props.setHeaderColumnWidths(QList<int>());
1235             header->setAutomaticColumnResizing(true);
1236         } else if (action == customWidthsAction) {
1237             // Apply the current column-widths as custom column-widths and turn
1238             // off the automatic resizing of the columns
1239             QList<int> columnWidths;
1240             const auto visibleRoles = view->visibleRoles();
1241             columnWidths.reserve(visibleRoles.count());
1242             for (const QByteArray &role : visibleRoles) {
1243                 columnWidths.append(header->columnWidth(role));
1244             }
1245             props.setHeaderColumnWidths(columnWidths);
1246             header->setAutomaticColumnResizing(false);
1247         } else if (action == toggleSidePaddingAction) {
1248             header->setSidePadding(toggleSidePaddingAction->isChecked() ? 20 : 0);
1249         } else {
1250             // Show or hide the selected role
1251             const QByteArray selectedRole = action->data().toByteArray();
1252
1253             QList<QByteArray> visibleRoles = view->visibleRoles();
1254             if (action->isChecked()) {
1255                 visibleRoles.append(selectedRole);
1256             } else {
1257                 visibleRoles.removeOne(selectedRole);
1258             }
1259
1260             view->setVisibleRoles(visibleRoles);
1261             props.setVisibleRoles(visibleRoles);
1262
1263             QList<int> columnWidths;
1264             if (!header->automaticColumnResizing()) {
1265                 const auto visibleRoles = view->visibleRoles();
1266                 columnWidths.reserve(visibleRoles.count());
1267                 for (const QByteArray &role : visibleRoles) {
1268                     columnWidths.append(header->columnWidth(role));
1269                 }
1270             }
1271             props.setHeaderColumnWidths(columnWidths);
1272         }
1273     }
1274
1275     delete menu;
1276 }
1277
1278 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray &role, qreal current)
1279 {
1280     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1281
1282     ViewProperties props(viewPropertiesUrl());
1283     QList<int> columnWidths = props.headerColumnWidths();
1284     if (columnWidths.count() != visibleRoles.count()) {
1285         columnWidths.clear();
1286         columnWidths.reserve(visibleRoles.count());
1287         const KItemListHeader *header = m_view->header();
1288         for (const QByteArray &role : visibleRoles) {
1289             const int width = header->columnWidth(role);
1290             columnWidths.append(width);
1291         }
1292     }
1293
1294     const int roleIndex = visibleRoles.indexOf(role);
1295     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1296     columnWidths[roleIndex] = current;
1297
1298     props.setHeaderColumnWidths(columnWidths);
1299 }
1300
1301 void DolphinView::slotSidePaddingWidthChanged(qreal width)
1302 {
1303     ViewProperties props(viewPropertiesUrl());
1304     DetailsModeSettings::setSidePadding(int(width));
1305     m_view->writeSettings();
1306 }
1307
1308 void DolphinView::slotItemHovered(int index)
1309 {
1310     const KFileItem item = m_model->fileItem(index);
1311
1312     if (GeneralSettings::showToolTips() && !m_dragging) {
1313         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1314         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1315         itemRect.moveTo(pos);
1316
1317 #if HAVE_BALOO
1318         auto nativeParent = nativeParentWidget();
1319         if (nativeParent) {
1320             m_toolTipManager->showToolTip(item, itemRect, nativeParent->windowHandle());
1321         }
1322 #endif
1323     }
1324
1325     Q_EMIT requestItemInfo(item);
1326 }
1327
1328 void DolphinView::slotItemUnhovered(int index)
1329 {
1330     Q_UNUSED(index)
1331     hideToolTip();
1332     Q_EMIT requestItemInfo(KFileItem());
1333 }
1334
1335 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent *event)
1336 {
1337     QUrl destUrl;
1338     KFileItem destItem = m_model->fileItem(index);
1339     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1340         // Use the URL of the view as drop target if the item is no directory
1341         // or desktop-file
1342         destItem = m_model->rootItem();
1343         destUrl = url();
1344     } else {
1345         // The item represents a directory or desktop-file
1346         destUrl = destItem.mostLocalUrl();
1347     }
1348
1349     QDropEvent dropEvent(event->pos().toPoint(), event->possibleActions(), event->mimeData(), event->buttons(), event->modifiers());
1350     dropUrls(destUrl, &dropEvent, this);
1351
1352     setActive(true);
1353 }
1354
1355 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1356 {
1357     KIO::DropJob *job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1358
1359     if (job) {
1360         connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
1361
1362         if (destUrl == url()) {
1363             // Mark the dropped urls as selected.
1364             m_clearSelectionBeforeSelectingNewItems = true;
1365             m_markFirstNewlySelectedItemAsCurrent = true;
1366             m_selectJobCreatedItems = true;
1367             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1368             connect(job, &KIO::DropJob::copyJobStarted, this, [this](const KIO::CopyJob *copyJob) {
1369                 connect(copyJob, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
1370                 connect(copyJob, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
1371                 connect(copyJob, &KIO::CopyJob::linking, this, [this](KIO::Job *job, const QString &src, const QUrl &dest) {
1372                     Q_UNUSED(job)
1373                     Q_UNUSED(src)
1374                     slotItemCreated(dest);
1375                 });
1376             });
1377         }
1378     }
1379 }
1380
1381 void DolphinView::slotModelChanged(KItemModelBase *current, KItemModelBase *previous)
1382 {
1383     if (previous != nullptr) {
1384         Q_ASSERT(qobject_cast<KFileItemModel *>(previous));
1385         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(previous);
1386         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1387         m_versionControlObserver->setModel(nullptr);
1388     }
1389
1390     if (current) {
1391         Q_ASSERT(qobject_cast<KFileItemModel *>(current));
1392         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(current);
1393         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1394         m_versionControlObserver->setModel(fileItemModel);
1395     }
1396 }
1397
1398 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1399 {
1400     Q_UNUSED(itemIndex)
1401
1402     hideToolTip();
1403
1404     if (buttons & Qt::BackButton) {
1405         Q_EMIT goBackRequested();
1406     } else if (buttons & Qt::ForwardButton) {
1407         Q_EMIT goForwardRequested();
1408     }
1409 }
1410
1411 void DolphinView::slotSelectedItemTextPressed(int index)
1412 {
1413     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1414         const KFileItem item = m_model->fileItem(index);
1415         const KFileItemListProperties capabilities(KFileItemList() << item);
1416         if (capabilities.supportsMoving()) {
1417             m_twoClicksRenamingItemUrl = item.url();
1418             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1419         }
1420     }
1421 }
1422
1423 void DolphinView::slotItemCreatedFromJob(KIO::Job *, const QUrl &, const QUrl &to)
1424 {
1425     slotItemCreated(to);
1426 }
1427
1428 void DolphinView::slotItemLinkCreatedFromJob(KIO::Job *, const QUrl &, const QString &, const QUrl &to)
1429 {
1430     slotItemCreated(to);
1431 }
1432
1433 void DolphinView::slotItemCreated(const QUrl &url)
1434 {
1435     if (m_markFirstNewlySelectedItemAsCurrent) {
1436         markUrlAsCurrent(url);
1437         m_markFirstNewlySelectedItemAsCurrent = false;
1438     }
1439     if (m_selectJobCreatedItems && !m_selectedUrls.contains(url)) {
1440         m_selectedUrls << url;
1441     }
1442 }
1443
1444 void DolphinView::onDirectoryLoadingCompletedAfterJob()
1445 {
1446     // the model should now contain all the items created by the job
1447     m_selectJobCreatedItems = true; // to make sure we overwrite selection
1448     // update the view: scroll into View and selection
1449     updateViewState();
1450     m_selectJobCreatedItems = false;
1451     m_selectedUrls.clear();
1452 }
1453
1454 void DolphinView::slotJobResult(KJob *job)
1455 {
1456     if (job->error() && job->error() != KIO::ERR_USER_CANCELED) {
1457         Q_EMIT errorMessage(job->errorString());
1458     }
1459     if (!m_selectJobCreatedItems) {
1460         m_selectedUrls.clear();
1461         return;
1462     }
1463     if (!m_selectedUrls.isEmpty()) {
1464         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1465
1466         updateSelectionState();
1467         if (!m_selectedUrls.isEmpty()) {
1468             // not all urls were found, the model may not be up to date
1469             connect(m_model, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::onDirectoryLoadingCompletedAfterJob, Qt::SingleShotConnection);
1470         } else {
1471             m_selectJobCreatedItems = false;
1472             m_selectedUrls.clear();
1473         }
1474     }
1475 }
1476
1477 void DolphinView::slotSelectionChanged(const KItemSet &current, const KItemSet &previous)
1478 {
1479     m_selectNextItem = false;
1480     const int currentCount = current.count();
1481     const int previousCount = previous.count();
1482     const bool selectionStateChanged = (currentCount == 0 && previousCount > 0) || (currentCount > 0 && previousCount == 0);
1483
1484     // If nothing has been selected before and something got selected (or if something
1485     // was selected before and now nothing is selected) the selectionChangedSignal must
1486     // be emitted asynchronously as fast as possible to update the edit-actions.
1487     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1488     m_selectionChangedTimer->start();
1489 }
1490
1491 void DolphinView::emitSelectionChangedSignal()
1492 {
1493     m_selectionChangedTimer->stop();
1494     Q_EMIT selectionChanged(selectedItems());
1495 }
1496
1497 void DolphinView::slotStatJobResult(KJob *job)
1498 {
1499     int folderCount = 0;
1500     int fileCount = 0;
1501     KIO::filesize_t totalFileSize = 0;
1502     bool countFileSize = true;
1503
1504     const auto entry = static_cast<KIO::StatJob *>(job)->statResult();
1505     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1506         // We have a precomputed value.
1507         totalFileSize = static_cast<KIO::filesize_t>(entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1508         countFileSize = false;
1509     }
1510
1511     const int itemCount = m_model->count();
1512     for (int i = 0; i < itemCount; ++i) {
1513         const KFileItem item = m_model->fileItem(i);
1514         if (item.isDir()) {
1515             ++folderCount;
1516         } else {
1517             ++fileCount;
1518             if (countFileSize) {
1519                 totalFileSize += item.size();
1520             }
1521         }
1522     }
1523     emitStatusBarText(folderCount, fileCount, totalFileSize, NoSelection);
1524 }
1525
1526 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1527 {
1528     ViewProperties props(viewPropertiesUrl());
1529     props.setSortFoldersFirst(foldersFirst);
1530
1531     m_model->setSortDirectoriesFirst(foldersFirst);
1532
1533     Q_EMIT sortFoldersFirstChanged(foldersFirst);
1534 }
1535
1536 void DolphinView::updateSortHiddenLast(bool hiddenLast)
1537 {
1538     ViewProperties props(viewPropertiesUrl());
1539     props.setSortHiddenLast(hiddenLast);
1540
1541     m_model->setSortHiddenLast(hiddenLast);
1542
1543     Q_EMIT sortHiddenLastChanged(hiddenLast);
1544 }
1545
1546 QPair<bool, QString> DolphinView::pasteInfo() const
1547 {
1548     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1549     QPair<bool, QString> info;
1550     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1551     return info;
1552 }
1553
1554 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1555 {
1556     m_tabsForFiles = tabsForFiles;
1557 }
1558
1559 bool DolphinView::isTabsForFilesEnabled() const
1560 {
1561     return m_tabsForFiles;
1562 }
1563
1564 bool DolphinView::itemsExpandable() const
1565 {
1566     return m_mode == DetailsView;
1567 }
1568
1569 bool DolphinView::isExpanded(const KFileItem &item) const
1570 {
1571     Q_ASSERT(item.isDir());
1572     Q_ASSERT(items().contains(item));
1573     if (!itemsExpandable()) {
1574         return false;
1575     }
1576     return m_model->isExpanded(m_model->index(item));
1577 }
1578
1579 void DolphinView::restoreState(QDataStream &stream)
1580 {
1581     // Read the version number of the view state and check if the version is supported.
1582     quint32 version = 0;
1583     stream >> version;
1584     if (version != 1) {
1585         // The version of the view state isn't supported, we can't restore it.
1586         return;
1587     }
1588
1589     // Restore the current item that had the keyboard focus
1590     stream >> m_currentItemUrl;
1591
1592     // Restore the previously selected items
1593     stream >> m_selectedUrls;
1594
1595     // Restore the view position
1596     stream >> m_restoredContentsPosition;
1597
1598     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1599     QSet<QUrl> urls;
1600     stream >> urls;
1601     m_model->restoreExpandedDirectories(urls);
1602 }
1603
1604 void DolphinView::saveState(QDataStream &stream)
1605 {
1606     stream << quint32(1); // View state version
1607
1608     // Save the current item that has the keyboard focus
1609     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1610     if (currentIndex != -1) {
1611         KFileItem item = m_model->fileItem(currentIndex);
1612         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1613         QUrl currentItemUrl = item.url();
1614         stream << currentItemUrl;
1615     } else {
1616         stream << QUrl();
1617     }
1618
1619     // Save the selected urls
1620     stream << selectedItems().urlList();
1621
1622     // Save view position
1623     const qreal x = m_container->horizontalScrollBar()->value();
1624     const qreal y = m_container->verticalScrollBar()->value();
1625     stream << QPoint(x, y);
1626
1627     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1628     stream << m_model->expandedDirectories();
1629 }
1630
1631 KFileItem DolphinView::rootItem() const
1632 {
1633     return m_model->rootItem();
1634 }
1635
1636 void DolphinView::setViewPropertiesContext(const QString &context)
1637 {
1638     m_viewPropertiesContext = context;
1639 }
1640
1641 QString DolphinView::viewPropertiesContext() const
1642 {
1643     return m_viewPropertiesContext;
1644 }
1645
1646 QUrl DolphinView::openItemAsFolderUrl(const KFileItem &item, const bool browseThroughArchives)
1647 {
1648     if (item.isNull()) {
1649         return QUrl();
1650     }
1651
1652     QUrl url = item.targetUrl();
1653
1654     if (item.isDir()) {
1655         return url;
1656     }
1657
1658     if (item.isMimeTypeKnown()) {
1659         const QString &mimetype = item.mimetype();
1660
1661         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1662             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1663             // zip:/<path>/ when clicking on a zip file, etc.
1664             // The .protocol file specifies the mimetype that the kioslave handles.
1665             // Note that we don't use mimetype inheritance since we don't want to
1666             // open OpenDocument files as zip folders...
1667             const QString &protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1668             if (!protocol.isEmpty()) {
1669                 url.setScheme(protocol);
1670                 return url;
1671             }
1672         }
1673
1674         if (mimetype == QLatin1String("application/x-desktop")) {
1675             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1676             KDesktopFile desktopFile(url.toLocalFile());
1677             if (desktopFile.hasLinkType()) {
1678                 const QString linkUrl = desktopFile.readUrl();
1679                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1680                     return QUrl::fromUserInput(linkUrl);
1681                 }
1682             }
1683         }
1684     }
1685
1686     return QUrl();
1687 }
1688
1689 void DolphinView::resetZoomLevel()
1690 {
1691     ViewModeSettings settings{m_mode};
1692     settings.useDefaults(true);
1693     const int defaultIconSize = settings.iconSize();
1694     settings.useDefaults(false);
1695
1696     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(QSize(defaultIconSize, defaultIconSize)));
1697 }
1698
1699 void DolphinView::observeCreatedItem(const QUrl &url)
1700 {
1701     if (m_active) {
1702         forceUrlsSelection(url, {url});
1703     }
1704 }
1705
1706 void DolphinView::slotDirectoryRedirection(const QUrl &oldUrl, const QUrl &newUrl)
1707 {
1708     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1709         Q_EMIT redirection(oldUrl, newUrl);
1710         m_url = newUrl; // #186947
1711     }
1712 }
1713
1714 void DolphinView::updateSelectionState()
1715 {
1716     if (!m_selectedUrls.isEmpty()) {
1717         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1718
1719         // if there is a selection already, leave it that way
1720         // unless some drop/paste job are in the process of creating items
1721         if (!selectionManager->hasSelection() || m_selectJobCreatedItems) {
1722             if (m_clearSelectionBeforeSelectingNewItems) {
1723                 selectionManager->clearSelection();
1724                 m_clearSelectionBeforeSelectingNewItems = false;
1725             }
1726
1727             KItemSet selectedItems = selectionManager->selectedItems();
1728
1729             QList<QUrl>::iterator it = m_selectedUrls.begin();
1730             while (it != m_selectedUrls.end()) {
1731                 const int index = m_model->index(*it);
1732                 if (index >= 0) {
1733                     selectedItems.insert(index);
1734                     it = m_selectedUrls.erase(it);
1735                 } else {
1736                     ++it;
1737                 }
1738             }
1739
1740             if (!selectedItems.isEmpty()) {
1741                 selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1742                 selectionManager->setSelectedItems(selectedItems);
1743             }
1744         }
1745     }
1746 }
1747
1748 void DolphinView::updateViewState()
1749 {
1750     if (m_currentItemUrl != QUrl()) {
1751         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1752
1753         // if there is a selection already, leave it that way
1754         if (!selectionManager->hasSelection()) {
1755             const int currentIndex = m_model->index(m_currentItemUrl);
1756             if (currentIndex != -1) {
1757                 selectionManager->setCurrentItem(currentIndex);
1758
1759                 // scroll to current item and reset the state
1760                 if (m_scrollToCurrentItem) {
1761                     m_view->scrollToItem(currentIndex, KItemListView::ViewItemPosition::Middle);
1762                     m_scrollToCurrentItem = false;
1763                 }
1764                 m_currentItemUrl = QUrl();
1765             } else {
1766                 selectionManager->setCurrentItem(0);
1767             }
1768         } else {
1769             m_currentItemUrl = QUrl();
1770         }
1771     }
1772
1773     if (!m_restoredContentsPosition.isNull()) {
1774         const int x = m_restoredContentsPosition.x();
1775         const int y = m_restoredContentsPosition.y();
1776         m_restoredContentsPosition = QPoint();
1777
1778         m_container->horizontalScrollBar()->setValue(x);
1779         m_container->verticalScrollBar()->setValue(y);
1780     }
1781
1782     updateSelectionState();
1783 }
1784
1785 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1786 {
1787     if (GeneralSettings::showToolTips()) {
1788 #if HAVE_BALOO
1789         m_toolTipManager->hideToolTip(behavior);
1790 #else
1791         Q_UNUSED(behavior)
1792 #endif
1793     } else if (m_mode == DolphinView::IconsView) {
1794         QToolTip::hideText();
1795     }
1796 }
1797
1798 bool DolphinView::handleSpaceAsNormalKey() const
1799 {
1800     return !m_container->hasFocus() || m_container->controller()->isSearchAsYouTypeActive();
1801 }
1802
1803 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1804 {
1805     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1806
1807     // verify that only one item is selected
1808     if (selectionManager->selectedItems().count() == 1) {
1809         const int index = selectionManager->currentItem();
1810         const QUrl fileItemUrl = m_model->fileItem(index).url();
1811
1812         // check if the selected item was the same item that started the twoClicksRenaming
1813         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1814             renameSelectedItems();
1815         }
1816     }
1817 }
1818
1819 void DolphinView::slotTrashFileFinished(KJob *job)
1820 {
1821     if (job->error() == 0) {
1822         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1823         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1824     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1825         Q_EMIT errorMessage(job->errorString());
1826     }
1827 }
1828
1829 void DolphinView::slotDeleteFileFinished(KJob *job)
1830 {
1831     if (job->error() == 0) {
1832         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1833         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1834     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1835         Q_EMIT errorMessage(job->errorString());
1836     }
1837 }
1838
1839 void DolphinView::selectNextItem()
1840 {
1841     if (m_active && m_selectNextItem) {
1842         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1843         if (selectedItems().isEmpty()) {
1844             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1845             return;
1846         }
1847         const auto lastSelectedIndex = m_model->index(selectedItems().last());
1848         if (lastSelectedIndex < 0) {
1849             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1850             return;
1851         }
1852         auto nextItem = lastSelectedIndex + 1;
1853         if (nextItem >= itemsCount()) {
1854             nextItem = lastSelectedIndex - selectedItemsCount();
1855         }
1856         if (nextItem >= 0) {
1857             selectionManager->setSelected(nextItem, 1);
1858         }
1859         m_selectNextItem = false;
1860     }
1861 }
1862
1863 void DolphinView::slotRenamingResult(KJob *job)
1864 {
1865     if (job->error()) {
1866         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1867         Q_ASSERT(copyJob);
1868         const QUrl newUrl = copyJob->destUrl();
1869         const int index = m_model->index(newUrl);
1870         if (index >= 0) {
1871             QHash<QByteArray, QVariant> data;
1872             const QUrl oldUrl = copyJob->srcUrls().at(0);
1873             data.insert("text", oldUrl.fileName());
1874             m_model->setData(index, data);
1875         }
1876     }
1877 }
1878
1879 void DolphinView::slotDirectoryLoadingStarted()
1880 {
1881     m_loadingState = LoadingState::Loading;
1882     updatePlaceholderLabel();
1883
1884     // Disable the writestate temporary until it can be determined in a fast way
1885     // in DolphinView::slotDirectoryLoadingCompleted()
1886     if (m_isFolderWritable) {
1887         m_isFolderWritable = false;
1888         Q_EMIT writeStateChanged(m_isFolderWritable);
1889     }
1890
1891     Q_EMIT directoryLoadingStarted();
1892 }
1893
1894 void DolphinView::slotDirectoryLoadingCompleted()
1895 {
1896     m_loadingState = LoadingState::Completed;
1897
1898     // Update the view-state. This has to be done asynchronously
1899     // because the view might not be in its final state yet.
1900     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1901
1902     // Update the placeholder label in case we found that the folder was empty
1903     // after loading it
1904
1905     Q_EMIT directoryLoadingCompleted();
1906
1907     updatePlaceholderLabel();
1908     updateWritableState();
1909 }
1910
1911 void DolphinView::slotDirectoryLoadingCanceled()
1912 {
1913     m_loadingState = LoadingState::Canceled;
1914
1915     updatePlaceholderLabel();
1916
1917     Q_EMIT directoryLoadingCanceled();
1918 }
1919
1920 void DolphinView::slotItemsChanged()
1921 {
1922     m_assureVisibleCurrentIndex = false;
1923 }
1924
1925 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1926 {
1927     Q_UNUSED(previous)
1928     Q_ASSERT(m_model->sortOrder() == current);
1929
1930     ViewProperties props(viewPropertiesUrl());
1931     props.setSortOrder(current);
1932
1933     Q_EMIT sortOrderChanged(current);
1934 }
1935
1936 void DolphinView::slotSortRoleChangedByHeader(const QByteArray &current, const QByteArray &previous)
1937 {
1938     Q_UNUSED(previous)
1939     Q_ASSERT(m_model->sortRole() == current);
1940
1941     setSortRole(current);
1942 }
1943
1944 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray> &current, const QList<QByteArray> &previous)
1945 {
1946     Q_UNUSED(previous)
1947     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1948
1949     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1950
1951     m_visibleRoles = current;
1952
1953     ViewProperties props(viewPropertiesUrl());
1954     props.setVisibleRoles(m_visibleRoles);
1955
1956     Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1957 }
1958
1959 void DolphinView::slotRoleEditingCanceled()
1960 {
1961     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1962 }
1963
1964 void DolphinView::slotRoleEditingFinished(int index, const QByteArray &role, const QVariant &value)
1965 {
1966     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1967
1968     const KFileItemList items = selectedItems();
1969     if (items.count() != 1) {
1970         return;
1971     }
1972
1973     if (role == "text") {
1974         const KFileItem oldItem = items.first();
1975         const EditResult retVal = value.value<EditResult>();
1976         const QString newName = retVal.newName;
1977         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1978             const QUrl oldUrl = oldItem.url();
1979
1980             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1981             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1982
1983 #ifndef Q_OS_WIN
1984             // Confirm hiding file/directory by renaming inline
1985             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1986                 KGuiItem yesGuiItem(i18nc("@action:button", "Rename and Hide"), QStringLiteral("view-hidden"));
1987
1988                 const auto code =
1989                     KMessageBox::questionTwoActions(this,
1990                                                     oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1991                                                                             "Do you still want to rename it?")
1992                                                                      : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1993                                                                             "Do you still want to rename it?"),
1994                                                     oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
1995                                                     yesGuiItem,
1996                                                     KStandardGuiItem::cancel(),
1997                                                     QStringLiteral("ConfirmHide"));
1998
1999                 if (code == KMessageBox::SecondaryAction) {
2000                     return;
2001                 }
2002             }
2003 #endif
2004
2005             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
2006             if (!newNameExistsAlready && m_model->index(oldUrl) == index) {
2007                 // Only change the data in the model if no item with the new name
2008                 // is in the model yet. If there is an item with the new name
2009                 // already, calling KIO::CopyJob will open a dialog
2010                 // asking for a new name, and KFileItemModel will update the
2011                 // data when the dir lister signals that the file name has changed.
2012                 QHash<QByteArray, QVariant> data;
2013                 data.insert(role, retVal.newName);
2014                 m_model->setData(index, data);
2015             }
2016
2017             KIO::Job *job = KIO::moveAs(oldUrl, newUrl);
2018             KJobWidgets::setWindow(job, this);
2019             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
2020             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
2021
2022             if (!newNameExistsAlready) {
2023                 forceUrlsSelection(newUrl, {newUrl});
2024
2025                 // Only connect the result signal if there is no item with the new name
2026                 // in the model yet, see bug 328262.
2027                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
2028             }
2029         }
2030         if (retVal.direction != EditDone) {
2031             const short indexShift = retVal.direction == EditNext ? 1 : -1;
2032             m_container->controller()->selectionManager()->setSelected(index, 1, KItemListSelectionManager::Deselect);
2033             m_container->controller()->selectionManager()->setSelected(index + indexShift, 1, KItemListSelectionManager::Select);
2034             renameSelectedItems();
2035         }
2036     }
2037 }
2038
2039 void DolphinView::loadDirectory(const QUrl &url, bool reload)
2040 {
2041     if (!url.isValid()) {
2042         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
2043         if (location.isEmpty()) {
2044             Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."));
2045         } else {
2046             Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
2047         }
2048         return;
2049     }
2050
2051     if (reload) {
2052         m_model->refreshDirectory(url);
2053     } else {
2054         m_model->loadDirectory(url);
2055     }
2056 }
2057
2058 void DolphinView::applyViewProperties()
2059 {
2060     const ViewProperties props(viewPropertiesUrl());
2061     applyViewProperties(props);
2062 }
2063
2064 void DolphinView::applyViewProperties(const ViewProperties &props)
2065 {
2066     m_view->beginTransaction();
2067
2068     const Mode mode = props.viewMode();
2069     if (m_mode != mode) {
2070         const Mode previousMode = m_mode;
2071         m_mode = mode;
2072
2073         // Changing the mode might result in changing
2074         // the zoom level. Remember the old zoom level so
2075         // that zoomLevelChanged() can get emitted.
2076         const int oldZoomLevel = m_view->zoomLevel();
2077         applyModeToView();
2078
2079         Q_EMIT modeChanged(m_mode, previousMode);
2080
2081         if (m_view->zoomLevel() != oldZoomLevel) {
2082             Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
2083         }
2084     }
2085
2086     const bool hiddenFilesShown = props.hiddenFilesShown();
2087     if (hiddenFilesShown != m_model->showHiddenFiles()) {
2088         m_model->setShowHiddenFiles(hiddenFilesShown);
2089         Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
2090     }
2091
2092     const bool groupedSorting = props.groupedSorting();
2093     if (groupedSorting != m_model->groupedSorting()) {
2094         m_model->setGroupedSorting(groupedSorting);
2095         Q_EMIT groupedSortingChanged(groupedSorting);
2096     }
2097
2098     const QByteArray sortRole = props.sortRole();
2099     if (sortRole != m_model->sortRole()) {
2100         m_model->setSortRole(sortRole);
2101         Q_EMIT sortRoleChanged(sortRole);
2102     }
2103
2104     const Qt::SortOrder sortOrder = props.sortOrder();
2105     if (sortOrder != m_model->sortOrder()) {
2106         m_model->setSortOrder(sortOrder);
2107         Q_EMIT sortOrderChanged(sortOrder);
2108     }
2109
2110     const bool sortFoldersFirst = props.sortFoldersFirst();
2111     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
2112         m_model->setSortDirectoriesFirst(sortFoldersFirst);
2113         Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
2114     }
2115
2116     const bool sortHiddenLast = props.sortHiddenLast();
2117     if (sortHiddenLast != m_model->sortHiddenLast()) {
2118         m_model->setSortHiddenLast(sortHiddenLast);
2119         Q_EMIT sortHiddenLastChanged(sortHiddenLast);
2120     }
2121
2122     const QList<QByteArray> visibleRoles = props.visibleRoles();
2123     if (visibleRoles != m_visibleRoles) {
2124         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
2125         m_visibleRoles = visibleRoles;
2126         m_view->setVisibleRoles(visibleRoles);
2127         Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
2128     }
2129
2130     const bool previewsShown = props.previewsShown();
2131     if (previewsShown != m_view->previewsShown()) {
2132         const int oldZoomLevel = zoomLevel();
2133
2134         m_view->setPreviewsShown(previewsShown);
2135         Q_EMIT previewsShownChanged(previewsShown);
2136
2137         // Changing the preview-state might result in a changed zoom-level
2138         if (oldZoomLevel != zoomLevel()) {
2139             Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
2140         }
2141     }
2142
2143     KItemListView *itemListView = m_container->controller()->view();
2144     if (itemListView->isHeaderVisible()) {
2145         KItemListHeader *header = itemListView->header();
2146         const QList<int> headerColumnWidths = props.headerColumnWidths();
2147         const int rolesCount = m_visibleRoles.count();
2148         if (headerColumnWidths.count() == rolesCount) {
2149             header->setAutomaticColumnResizing(false);
2150
2151             QHash<QByteArray, qreal> columnWidths;
2152             for (int i = 0; i < rolesCount; ++i) {
2153                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
2154             }
2155             header->setColumnWidths(columnWidths);
2156         } else {
2157             header->setAutomaticColumnResizing(true);
2158         }
2159         header->setSidePadding(DetailsModeSettings::sidePadding());
2160     }
2161
2162     m_view->endTransaction();
2163 }
2164
2165 void DolphinView::applyModeToView()
2166 {
2167     switch (m_mode) {
2168     case IconsView:
2169         m_view->setItemLayout(KFileItemListView::IconsLayout);
2170         break;
2171     case CompactView:
2172         m_view->setItemLayout(KFileItemListView::CompactLayout);
2173         break;
2174     case DetailsView:
2175         m_view->setItemLayout(KFileItemListView::DetailsLayout);
2176         break;
2177     default:
2178         Q_ASSERT(false);
2179         break;
2180     }
2181 }
2182
2183 void DolphinView::pasteToUrl(const QUrl &url)
2184 {
2185     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
2186     KJobWidgets::setWindow(job, this);
2187     m_clearSelectionBeforeSelectingNewItems = true;
2188     m_markFirstNewlySelectedItemAsCurrent = true;
2189     m_selectJobCreatedItems = true;
2190     // TODO KF6 use KIO::PasteJob::copyJobStarted to hook to earlier events copying/moving
2191     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
2192     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotJobResult);
2193 }
2194
2195 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
2196 {
2197     QList<QUrl> urls;
2198
2199     const KFileItemList items = selectedItems();
2200     urls.reserve(items.count());
2201     for (const KFileItem &item : items) {
2202         urls.append(item.url());
2203     }
2204
2205     if (itemsExpandable()) {
2206         // TODO: Check if we still need KDirModel for this in KDE 5.0
2207         urls = KDirModel::simplifiedUrlList(urls);
2208     }
2209
2210     return urls;
2211 }
2212
2213 QMimeData *DolphinView::selectionMimeData() const
2214 {
2215     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
2216     const KItemSet selectedIndexes = selectionManager->selectedItems();
2217
2218     return m_model->createMimeData(selectedIndexes);
2219 }
2220
2221 void DolphinView::updateWritableState()
2222 {
2223     const bool wasFolderWritable = m_isFolderWritable;
2224     m_isFolderWritable = false;
2225
2226     KFileItem item = m_model->rootItem();
2227     if (item.isNull()) {
2228         // Try to find out if the URL is writable even if the "root item" is
2229         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
2230         item = KFileItem(url());
2231         item.setDelayedMimeTypes(true);
2232     }
2233
2234     KFileItemListProperties capabilities(KFileItemList() << item);
2235     m_isFolderWritable = capabilities.supportsWriting();
2236
2237     if (m_isFolderWritable != wasFolderWritable) {
2238         Q_EMIT writeStateChanged(m_isFolderWritable);
2239     }
2240 }
2241
2242 bool DolphinView::isFolderWritable() const
2243 {
2244     return m_isFolderWritable;
2245 }
2246
2247 QUrl DolphinView::viewPropertiesUrl() const
2248 {
2249     if (m_viewPropertiesContext.isEmpty()) {
2250         return m_url;
2251     }
2252
2253     QUrl url;
2254     url.setScheme(m_url.scheme());
2255     url.setPath(m_viewPropertiesContext);
2256     return url;
2257 }
2258
2259 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl> &urls)
2260 {
2261     forceUrlsSelection(urls.first(), urls);
2262 }
2263
2264 void DolphinView::forceUrlsSelection(const QUrl &current, const QList<QUrl> &selected)
2265 {
2266     clearSelection();
2267     m_clearSelectionBeforeSelectingNewItems = true;
2268     markUrlAsCurrent(current);
2269     markUrlsAsSelected(selected);
2270 }
2271
2272 void DolphinView::copyPathToClipboard()
2273 {
2274     const KFileItemList list = selectedItems();
2275     if (list.isEmpty()) {
2276         return;
2277     }
2278     const KFileItem &item = list.at(0);
2279     QString path = item.localPath();
2280     if (path.isEmpty()) {
2281         path = item.url().toDisplayString();
2282     }
2283     QClipboard *clipboard = QApplication::clipboard();
2284     if (clipboard == nullptr) {
2285         return;
2286     }
2287     clipboard->setText(QDir::toNativeSeparators(path));
2288 }
2289
2290 void DolphinView::slotIncreaseZoom()
2291 {
2292     setZoomLevel(zoomLevel() + 1);
2293 }
2294
2295 void DolphinView::slotDecreaseZoom()
2296 {
2297     setZoomLevel(zoomLevel() - 1);
2298 }
2299
2300 void DolphinView::slotSwipeUp()
2301 {
2302     Q_EMIT goUpRequested();
2303 }
2304
2305 void DolphinView::showLoadingPlaceholder()
2306 {
2307     m_placeholderLabel->setText(i18n("Loading…"));
2308     m_placeholderLabel->setVisible(true);
2309 }
2310
2311 void DolphinView::updatePlaceholderLabel()
2312 {
2313     m_showLoadingPlaceholderTimer->stop();
2314     if (itemsCount() > 0) {
2315         m_placeholderLabel->setVisible(false);
2316         return;
2317     }
2318
2319     if (m_loadingState == LoadingState::Loading) {
2320         m_placeholderLabel->setVisible(false);
2321         m_showLoadingPlaceholderTimer->start();
2322         return;
2323     }
2324
2325     if (m_loadingState == LoadingState::Canceled) {
2326         m_placeholderLabel->setText(i18n("Loading canceled"));
2327     } else if (!nameFilter().isEmpty()) {
2328         m_placeholderLabel->setText(i18n("No items matching the filter"));
2329     } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
2330         m_placeholderLabel->setText(i18n("No items matching the search"));
2331     } else if (m_url.scheme() == QLatin1String("trash") && m_url.path() == QLatin1String("/")) {
2332         m_placeholderLabel->setText(i18n("Trash is empty"));
2333     } else if (m_url.scheme() == QLatin1String("tags")) {
2334         if (m_url.path() == QLatin1Char('/')) {
2335             m_placeholderLabel->setText(i18n("No tags"));
2336         } else {
2337             const QString tagName = m_url.path().mid(1); // Remove leading /
2338             m_placeholderLabel->setText(i18n("No files tagged with \"%1\"", tagName));
2339         }
2340
2341     } else if (m_url.scheme() == QLatin1String("recentlyused")) {
2342         m_placeholderLabel->setText(i18n("No recently used items"));
2343     } else if (m_url.scheme() == QLatin1String("smb")) {
2344         m_placeholderLabel->setText(i18n("No shared folders found"));
2345     } else if (m_url.scheme() == QLatin1String("network")) {
2346         m_placeholderLabel->setText(i18n("No relevant network resources found"));
2347     } else if (m_url.scheme() == QLatin1String("mtp") && m_url.path() == QLatin1String("/")) {
2348         m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
2349     } else if (m_url.scheme() == QLatin1String("afc") && m_url.path() == QLatin1String("/")) {
2350         m_placeholderLabel->setText(i18n("No Apple devices found"));
2351     } else if (m_url.scheme() == QLatin1String("bluetooth")) {
2352         m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
2353     } else {
2354         m_placeholderLabel->setText(i18n("Folder is empty"));
2355     }
2356
2357     m_placeholderLabel->setVisible(true);
2358 }
2359
2360 bool DolphinView::tryShowNameToolTip(QHelpEvent *event)
2361 {
2362     if (!GeneralSettings::showToolTips() && m_mode == DolphinView::IconsView) {
2363         const std::optional<int> index = m_view->itemAt(event->pos());
2364
2365         if (!index.has_value()) {
2366             return false;
2367         }
2368
2369         // Check whether the filename has been elided
2370         const bool isElided = m_view->isElided(index.value());
2371
2372         if (isElided) {
2373             const KFileItem item = m_model->fileItem(index.value());
2374             const QString text = item.text();
2375             const QPoint pos = mapToGlobal(event->pos());
2376             QToolTip::showText(pos, text);
2377             return true;
2378         }
2379     }
2380     return false;
2381 }
2382
2383 #include "moc_dolphinview.cpp"