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