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 "versioncontrol/versioncontrolobserver.h"
  22 #include "viewproperties.h"
  23 #include "views/tooltips/tooltipmanager.h"
  24 #include "zoomlevelinfo.h"
  25
  26 #ifdef HAVE_BALOO
  27 #include <Baloo/IndexerConfig>
  28 #endif
  29 #include <KColorScheme>
  30 #include <KDesktopFile>
  31 #include <KDirModel>
  32 #include <KFileItemListProperties>
  33 #include <KFormat>
  34 #include <KIO/CopyJob>
  35 #include <KIO/DeleteJob>
  36 #include <KIO/DropJob>
  37 #include <KIO/JobUiDelegate>
  38 #include <KIO/Paste>
  39 #include <KIO/PasteJob>
  40 #include <KIO/PreviewJob>
  41 #include <KIO/RenameFileDialog>
  42 #include <KJobWidgets>
  43 #include <KLocalizedString>
  44 #include <KMessageBox>
  45 #include <KProtocolManager>
  46
  47 #include <QAbstractItemView>
  48 #include <QApplication>
  49 #include <QClipboard>
  50 #include <QDropEvent>
  51 #include <QGraphicsOpacityEffect>
  52 #include <QGraphicsSceneDragDropEvent>
  53 #include <QLabel>
  54 #include <QMenu>
  55 #include <QMimeDatabase>
  56 #include <QPixmapCache>
  57 #include <QPointer>
  58 #include <QScrollBar>
  59 #include <QSize>
  60 #include <QTimer>
  61 #include <QVBoxLayout>
  62
  63 DolphinView::DolphinView(const QUrl& url, QWidget* parent) :
  64     QWidget(parent),
  65     m_active(true),
  66     m_tabsForFiles(false),
  67     m_assureVisibleCurrentIndex(false),
  68     m_isFolderWritable(true),
  69     m_dragging(false),
  70     m_loading(false),
  71     m_url(url),
  72     m_viewPropertiesContext(),
  73     m_mode(DolphinView::IconsView),
  74     m_visibleRoles(),
  75     m_topLayout(nullptr),
  76     m_model(nullptr),
  77     m_view(nullptr),
  78     m_container(nullptr),
  79     m_toolTipManager(nullptr),
  80     m_selectionChangedTimer(nullptr),
  81     m_currentItemUrl(),
  82     m_scrollToCurrentItem(false),
  83     m_restoredContentsPosition(),
  84     m_selectedUrls(),
  85     m_clearSelectionBeforeSelectingNewItems(false),
  86     m_markFirstNewlySelectedItemAsCurrent(false),
  87     m_versionControlObserver(nullptr),
  88     m_twoClicksRenamingTimer(nullptr),
  89     m_placeholderLabel(nullptr)
  90 {
  91     m_topLayout = new QVBoxLayout(this);
  92     m_topLayout->setSpacing(0);
  93     m_topLayout->setContentsMargins(0, 0, 0, 0);
  94
  95     // When a new item has been created by the "Create New..." menu, the item should
  96     // get selected and it must be assured that the item will get visible. As the
  97     // creation is done asynchronously, several signals must be checked:
  98     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated,
  99             this, &DolphinView::observeCreatedItem);
 100
 101     m_selectionChangedTimer = new QTimer(this);
 102     m_selectionChangedTimer->setSingleShot(true);
 103     m_selectionChangedTimer->setInterval(300);
 104     connect(m_selectionChangedTimer, &QTimer::timeout,
 105             this, &DolphinView::emitSelectionChangedSignal);
 106
 107     m_model = new KFileItemModel(this);
 108     m_view = new DolphinItemListView();
 109     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 110     m_view->setVisibleRoles({"text"});
 111     applyModeToView();
 112
 113     KItemListController* controller = new KItemListController(m_model, m_view, this);
 114     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 115     controller->setAutoActivationDelay(delay);
 116
 117     // The EnlargeSmallPreviews setting can only be changed after the model
 118     // has been set in the view by KItemListController.
 119     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 120
 121     m_container = new KItemListContainer(controller, this);
 122     m_container->installEventFilter(this);
 123     setFocusProxy(m_container);
 124     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
 125     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
 126
 127     // Show some placeholder text for empty folders
 128     // This is made using a heavily-modified QLabel rather than a KTitleWidget
 129     // because KTitleWidget can't be told to turn off mouse-selectable text
 130     m_placeholderLabel = new QLabel(this);
 131     QFont placeholderLabelFont;
 132     // To match the size of a level 2 Heading/KTitleWidget
 133     placeholderLabelFont.setPointSize(qRound(placeholderLabelFont.pointSize() * 1.3));
 134     m_placeholderLabel->setFont(placeholderLabelFont);
 135     m_placeholderLabel->setTextInteractionFlags(Qt::NoTextInteraction);
 136     m_placeholderLabel->setWordWrap(true);
 137     m_placeholderLabel->setAlignment(Qt::AlignCenter);
 138     // Match opacity of QML placeholder label component
 139     auto *effect = new QGraphicsOpacityEffect(m_placeholderLabel);
 140     effect->setOpacity(0.5);
 141     m_placeholderLabel->setGraphicsEffect(effect);
 142     // Set initial text and visibility
 143     updatePlaceholderLabel();
 144
 145     auto *centeringLayout = new QVBoxLayout(m_container);
 146     centeringLayout->addWidget(m_placeholderLabel);
 147     centeringLayout->setAlignment(m_placeholderLabel, Qt::AlignCenter);
 148
 149     controller->setSelectionBehavior(KItemListController::MultiSelection);
 150     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 151     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 152     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 153     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 154     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 155     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 156     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 157     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 158     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 159     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 160     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 161     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 162     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 163     connect(controller, &KItemListController::increaseZoom, this, &DolphinView::slotIncreaseZoom);
 164     connect(controller, &KItemListController::decreaseZoom, this, &DolphinView::slotDecreaseZoom);
 165     connect(controller, &KItemListController::swipeUp, this, &DolphinView::slotSwipeUp);
 166
 167     connect(m_model, &KFileItemModel::directoryLoadingStarted,       this, &DolphinView::slotDirectoryLoadingStarted);
 168     connect(m_model, &KFileItemModel::directoryLoadingCompleted,     this, &DolphinView::slotDirectoryLoadingCompleted);
 169     connect(m_model, &KFileItemModel::directoryLoadingCanceled,      this, &DolphinView::slotDirectoryLoadingCanceled);
 170     connect(m_model, &KFileItemModel::directoryLoadingProgress,   this, &DolphinView::directoryLoadingProgress);
 171     connect(m_model, &KFileItemModel::directorySortingProgress,   this, &DolphinView::directorySortingProgress);
 172     connect(m_model, &KFileItemModel::itemsChanged,
 173             this, &DolphinView::slotItemsChanged);
 174     connect(m_model, &KFileItemModel::itemsRemoved,    this, &DolphinView::itemCountChanged);
 175     connect(m_model, &KFileItemModel::itemsInserted,   this, &DolphinView::itemCountChanged);
 176     connect(m_model, &KFileItemModel::infoMessage,            this, &DolphinView::infoMessage);
 177     connect(m_model, &KFileItemModel::errorMessage,           this, &DolphinView::errorMessage);
 178     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 179     connect(m_model, &KFileItemModel::urlIsFileError,            this, &DolphinView::urlIsFileError);
 180
 181     connect(this, &DolphinView::itemCountChanged,
 182             this, &DolphinView::updatePlaceholderLabel);
 183
 184     m_view->installEventFilter(this);
 185     connect(m_view, &DolphinItemListView::sortOrderChanged,
 186             this, &DolphinView::slotSortOrderChangedByHeader);
 187     connect(m_view, &DolphinItemListView::sortRoleChanged,
 188             this, &DolphinView::slotSortRoleChangedByHeader);
 189     connect(m_view, &DolphinItemListView::visibleRolesChanged,
 190             this, &DolphinView::slotVisibleRolesChangedByHeader);
 191     connect(m_view, &DolphinItemListView::roleEditingCanceled,
 192             this, &DolphinView::slotRoleEditingCanceled);
 193     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished,
 194             this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 195
 196     KItemListSelectionManager* selectionManager = controller->selectionManager();
 197     connect(selectionManager, &KItemListSelectionManager::selectionChanged,
 198             this, &DolphinView::slotSelectionChanged);
 199
 200 #ifdef HAVE_BALOO
 201     m_toolTipManager = new ToolTipManager(this);
 202     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 203 #endif
 204
 205     m_versionControlObserver = new VersionControlObserver(this);
 206     m_versionControlObserver->setView(this);
 207     m_versionControlObserver->setModel(m_model);
 208     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 209     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 210     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 211
 212     m_twoClicksRenamingTimer = new QTimer(this);
 213     m_twoClicksRenamingTimer->setSingleShot(true);
 214     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 215
 216     applyViewProperties();
 217     m_topLayout->addWidget(m_container);
 218
 219     loadDirectory(url);
 220 }
 221
 222 DolphinView::~DolphinView()
 223 {
 224 }
 225
 226 QUrl DolphinView::url() const
 227 {
 228     return m_url;
 229 }
 230
 231 void DolphinView::setActive(bool active)
 232 {
 233     if (active == m_active) {
 234         return;
 235     }
 236
 237     m_active = active;
 238
 239     updatePalette();
 240
 241     if (active) {
 242         m_container->setFocus();
 243         Q_EMIT activated();
 244         Q_EMIT writeStateChanged(m_isFolderWritable);
 245     }
 246 }
 247
 248 bool DolphinView::isActive() const
 249 {
 250     return m_active;
 251 }
 252
 253 void DolphinView::setMode(Mode mode)
 254 {
 255     if (mode != m_mode) {
 256         ViewProperties props(viewPropertiesUrl());
 257         props.setViewMode(mode);
 258
 259         // We pass the new ViewProperties to applyViewProperties, rather than
 260         // storing them on disk and letting applyViewProperties() read them
 261         // from there, to prevent that changing the view mode fails if the
 262         // .directory file is not writable (see bug 318534).
 263         applyViewProperties(props);
 264     }
 265 }
 266
 267 DolphinView::Mode DolphinView::mode() const
 268 {
 269     return m_mode;
 270 }
 271
 272 void DolphinView::setPreviewsShown(bool show)
 273 {
 274     if (previewsShown() == show) {
 275         return;
 276     }
 277
 278     ViewProperties props(viewPropertiesUrl());
 279     props.setPreviewsShown(show);
 280
 281     const int oldZoomLevel = m_view->zoomLevel();
 282     m_view->setPreviewsShown(show);
 283     Q_EMIT previewsShownChanged(show);
 284
 285     const int newZoomLevel = m_view->zoomLevel();
 286     if (newZoomLevel != oldZoomLevel) {
 287         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 288     }
 289 }
 290
 291 bool DolphinView::previewsShown() const
 292 {
 293     return m_view->previewsShown();
 294 }
 295
 296 void DolphinView::setHiddenFilesShown(bool show)
 297 {
 298     if (m_model->showHiddenFiles() == show) {
 299         return;
 300     }
 301
 302     const KFileItemList itemList = selectedItems();
 303     m_selectedUrls.clear();
 304     m_selectedUrls = itemList.urlList();
 305
 306     ViewProperties props(viewPropertiesUrl());
 307     props.setHiddenFilesShown(show);
 308
 309     m_model->setShowHiddenFiles(show);
 310     Q_EMIT hiddenFilesShownChanged(show);
 311 }
 312
 313 bool DolphinView::hiddenFilesShown() const
 314 {
 315     return m_model->showHiddenFiles();
 316 }
 317
 318 void DolphinView::setGroupedSorting(bool grouped)
 319 {
 320     if (grouped == groupedSorting()) {
 321         return;
 322     }
 323
 324     ViewProperties props(viewPropertiesUrl());
 325     props.setGroupedSorting(grouped);
 326     props.save();
 327
 328     m_container->controller()->model()->setGroupedSorting(grouped);
 329
 330     Q_EMIT groupedSortingChanged(grouped);
 331 }
 332
 333 bool DolphinView::groupedSorting() const
 334 {
 335     return m_model->groupedSorting();
 336 }
 337
 338 KFileItemList DolphinView::items() const
 339 {
 340     KFileItemList list;
 341     const int itemCount = m_model->count();
 342     list.reserve(itemCount);
 343
 344     for (int i = 0; i < itemCount; ++i) {
 345         list.append(m_model->fileItem(i));
 346     }
 347
 348     return list;
 349 }
 350
 351 int DolphinView::itemsCount() const
 352 {
 353     return m_model->count();
 354 }
 355
 356 KFileItemList DolphinView::selectedItems() const
 357 {
 358     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 359
 360     KFileItemList selectedItems;
 361     const auto items = selectionManager->selectedItems();
 362     selectedItems.reserve(items.count());
 363     for (int index : items) {
 364         selectedItems.append(m_model->fileItem(index));
 365     }
 366     return selectedItems;
 367 }
 368
 369 int DolphinView::selectedItemsCount() const
 370 {
 371     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 372     return selectionManager->selectedItems().count();
 373 }
 374
 375 void DolphinView::markUrlsAsSelected(const QList<QUrl>& urls)
 376 {
 377     m_selectedUrls = urls;
 378 }
 379
 380 void DolphinView::markUrlAsCurrent(const QUrl &url)
 381 {
 382     m_currentItemUrl = url;
 383     m_scrollToCurrentItem = true;
 384 }
 385
 386 void DolphinView::selectItems(const QRegularExpression &regexp, bool enabled)
 387 {
 388     const KItemListSelectionManager::SelectionMode mode = enabled
 389                                                         ? KItemListSelectionManager::Select
 390                                                         : KItemListSelectionManager::Deselect;
 391     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 392
 393     for (int index = 0; index < m_model->count(); index++) {
 394         const KFileItem item = m_model->fileItem(index);
 395         if (regexp.match(item.text()).hasMatch()) {
 396             // An alternative approach would be to store the matching items in a KItemSet and
 397             // select them in one go after the loop, but we'd need a new function
 398             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 399             // for that.
 400             selectionManager->setSelected(index, 1, mode);
 401         }
 402     }
 403 }
 404
 405 void DolphinView::setZoomLevel(int level)
 406 {
 407     const int oldZoomLevel = zoomLevel();
 408     m_view->setZoomLevel(level);
 409     if (zoomLevel() != oldZoomLevel) {
 410         hideToolTip();
 411         Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
 412     }
 413 }
 414
 415 int DolphinView::zoomLevel() const
 416 {
 417     return m_view->zoomLevel();
 418 }
 419
 420 void DolphinView::setSortRole(const QByteArray& role)
 421 {
 422     if (role != sortRole()) {
 423         updateSortRole(role);
 424     }
 425 }
 426
 427 QByteArray DolphinView::sortRole() const
 428 {
 429     const KItemModelBase* model = m_container->controller()->model();
 430     return model->sortRole();
 431 }
 432
 433 void DolphinView::setSortOrder(Qt::SortOrder order)
 434 {
 435     if (sortOrder() != order) {
 436         updateSortOrder(order);
 437     }
 438 }
 439
 440 Qt::SortOrder DolphinView::sortOrder() const
 441 {
 442     return m_model->sortOrder();
 443 }
 444
 445 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 446 {
 447     if (sortFoldersFirst() != foldersFirst) {
 448         updateSortFoldersFirst(foldersFirst);
 449     }
 450 }
 451
 452 bool DolphinView::sortFoldersFirst() const
 453 {
 454     return m_model->sortDirectoriesFirst();
 455 }
 456
 457 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 458 {
 459     const QList<QByteArray> previousRoles = roles;
 460
 461     ViewProperties props(viewPropertiesUrl());
 462     props.setVisibleRoles(roles);
 463
 464     m_visibleRoles = roles;
 465     m_view->setVisibleRoles(roles);
 466
 467     Q_EMIT visibleRolesChanged(m_visibleRoles, previousRoles);
 468 }
 469
 470 QList<QByteArray> DolphinView::visibleRoles() const
 471 {
 472     return m_visibleRoles;
 473 }
 474
 475 void DolphinView::reload()
 476 {
 477     QByteArray viewState;
 478     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 479     saveState(saveStream);
 480
 481     setUrl(url());
 482     loadDirectory(url(), true);
 483
 484     QDataStream restoreStream(viewState);
 485     restoreState(restoreStream);
 486 }
 487
 488 void DolphinView::readSettings()
 489 {
 490     const int oldZoomLevel = m_view->zoomLevel();
 491
 492     GeneralSettings::self()->load();
 493     m_view->readSettings();
 494     applyViewProperties();
 495
 496     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 497     m_container->controller()->setAutoActivationDelay(delay);
 498
 499     const int newZoomLevel = m_view->zoomLevel();
 500     if (newZoomLevel != oldZoomLevel) {
 501         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 502     }
 503 }
 504
 505 void DolphinView::writeSettings()
 506 {
 507     GeneralSettings::self()->save();
 508     m_view->writeSettings();
 509 }
 510
 511 void DolphinView::setNameFilter(const QString& nameFilter)
 512 {
 513     m_model->setNameFilter(nameFilter);
 514 }
 515
 516 QString DolphinView::nameFilter() const
 517 {
 518     return m_model->nameFilter();
 519 }
 520
 521 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 522 {
 523     return m_model->setMimeTypeFilters(filters);
 524 }
 525
 526 QStringList DolphinView::mimeTypeFilters() const
 527 {
 528     return m_model->mimeTypeFilters();
 529 }
 530
 531 void DolphinView::requestStatusBarText()
 532 {
 533     if (m_statJobForStatusBarText) {
 534         // Kill the pending request.
 535         m_statJobForStatusBarText->kill();
 536     }
 537
 538     if (m_container->controller()->selectionManager()->hasSelection()) {
 539         int folderCount = 0;
 540         int fileCount = 0;
 541         KIO::filesize_t totalFileSize = 0;
 542
 543         // Give a summary of the status of the selected files
 544         const KFileItemList list = selectedItems();
 545         for (const KFileItem& item : list) {
 546             if (item.isDir()) {
 547                 ++folderCount;
 548             } else {
 549                 ++fileCount;
 550                 totalFileSize += item.size();
 551             }
 552         }
 553
 554         if (folderCount + fileCount == 1) {
 555             // If only one item is selected, show info about it
 556             Q_EMIT statusBarTextChanged(list.first().getStatusBarInfo());
 557         } else {
 558             // At least 2 items are selected
 559             emitStatusBarText(folderCount, fileCount, totalFileSize, HasSelection);
 560         }
 561     } else { // has no selection
 562         if (!m_model->rootItem().url().isValid()) {
 563             return;
 564         }
 565
 566         m_statJobForStatusBarText = KIO::statDetails(m_model->rootItem().url(),
 567                         KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
 568         connect(m_statJobForStatusBarText, &KJob::result,
 569                 this, &DolphinView::slotStatJobResult);
 570         m_statJobForStatusBarText->start();
 571     }
 572 }
 573
 574 void DolphinView::emitStatusBarText(const int folderCount, const int fileCount,
 575                                     KIO::filesize_t totalFileSize, const Selection selection)
 576 {
 577     QString foldersText;
 578     QString filesText;
 579     QString summary;
 580
 581     if (selection == HasSelection) {
 582         // At least 2 items are selected because the case of 1 selected item is handled in
 583         // DolphinView::requestStatusBarText().
 584         foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 585         filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 586     } else {
 587         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 588         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 589     }
 590
 591     if (fileCount > 0 && folderCount > 0) {
 592         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 593                         foldersText, filesText,
 594                         KFormat().formatByteSize(totalFileSize));
 595     } else if (fileCount > 0) {
 596         summary = i18nc("@info:status files (size)", "%1 (%2)",
 597                         filesText,
 598                         KFormat().formatByteSize(totalFileSize));
 599     } else if (folderCount > 0) {
 600         summary = foldersText;
 601     } else {
 602         summary = i18nc("@info:status", "0 Folders, 0 Files");
 603     }
 604     Q_EMIT statusBarTextChanged(summary);
 605 }
 606
 607 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 608 {
 609     QList<QAction*> actions;
 610
 611     if (items.isEmpty()) {
 612         const KFileItem item = m_model->rootItem();
 613         if (!item.isNull()) {
 614             actions = m_versionControlObserver->actions(KFileItemList() << item);
 615         }
 616     } else {
 617         actions = m_versionControlObserver->actions(items);
 618     }
 619
 620     return actions;
 621 }
 622
 623 void DolphinView::setUrl(const QUrl& url)
 624 {
 625     if (url == m_url) {
 626         return;
 627     }
 628
 629     clearSelection();
 630
 631     m_url = url;
 632
 633     hideToolTip();
 634
 635     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 636                this, &DolphinView::slotRoleEditingFinished);
 637
 638     // It is important to clear the items from the model before
 639     // applying the view properties, otherwise expensive operations
 640     // might be done on the existing items although they get cleared
 641     // anyhow afterwards by loadDirectory().
 642     m_model->clear();
 643     applyViewProperties();
 644     loadDirectory(url);
 645
 646     Q_EMIT urlChanged(url);
 647 }
 648
 649 void DolphinView::selectAll()
 650 {
 651     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 652     selectionManager->setSelected(0, m_model->count());
 653 }
 654
 655 void DolphinView::invertSelection()
 656 {
 657     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 658     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 659 }
 660
 661 void DolphinView::clearSelection()
 662 {
 663     m_selectedUrls.clear();
 664     m_container->controller()->selectionManager()->clearSelection();
 665 }
 666
 667 void DolphinView::renameSelectedItems()
 668 {
 669     const KFileItemList items = selectedItems();
 670     if (items.isEmpty()) {
 671         return;
 672     }
 673
 674     if (items.count() == 1 && GeneralSettings::renameInline()) {
 675         const int index = m_model->index(items.first());
 676         m_view->editRole(index, "text");
 677
 678         hideToolTip();
 679
 680         connect(m_view, &DolphinItemListView::roleEditingFinished,
 681                 this, &DolphinView::slotRoleEditingFinished);
 682     } else {
 683         KIO::RenameFileDialog* dialog = new KIO::RenameFileDialog(items, this);
 684         connect(dialog, &KIO::RenameFileDialog::renamingFinished,
 685                 this, &DolphinView::slotRenameDialogRenamingFinished);
 686
 687         dialog->open();
 688     }
 689
 690     // Assure that the current index remains visible when KFileItemModel
 691     // will notify the view about changed items (which might result in
 692     // a changed sorting).
 693     m_assureVisibleCurrentIndex = true;
 694 }
 695
 696 void DolphinView::trashSelectedItems()
 697 {
 698     const QList<QUrl> list = simplifiedSelectedUrls();
 699     KIO::JobUiDelegate uiDelegate;
 700     uiDelegate.setWindow(window());
 701     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 702         KIO::Job* job = KIO::trash(list);
 703         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, QUrl(QStringLiteral("trash:/")), job);
 704         KJobWidgets::setWindow(job, this);
 705         connect(job, &KIO::Job::result,
 706                 this, &DolphinView::slotTrashFileFinished);
 707     }
 708 }
 709
 710 void DolphinView::deleteSelectedItems()
 711 {
 712     const QList<QUrl> list = simplifiedSelectedUrls();
 713
 714     KIO::JobUiDelegate uiDelegate;
 715     uiDelegate.setWindow(window());
 716     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 717         KIO::Job* job = KIO::del(list);
 718         KJobWidgets::setWindow(job, this);
 719         connect(job, &KIO::Job::result,
 720                 this, &DolphinView::slotDeleteFileFinished);
 721     }
 722 }
 723
 724 void DolphinView::cutSelectedItemsToClipboard()
 725 {
 726     QMimeData* mimeData = selectionMimeData();
 727     KIO::setClipboardDataCut(mimeData, true);
 728     QApplication::clipboard()->setMimeData(mimeData);
 729 }
 730
 731 void DolphinView::copySelectedItemsToClipboard()
 732 {
 733     QMimeData* mimeData = selectionMimeData();
 734     QApplication::clipboard()->setMimeData(mimeData);
 735 }
 736
 737 void DolphinView::copySelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 738 {
 739     KIO::CopyJob* job = KIO::copy(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 740     KJobWidgets::setWindow(job, this);
 741
 742     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 743     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotCopyingDone);
 744     KIO::FileUndoManager::self()->recordCopyJob(job);
 745 }
 746
 747 void DolphinView::moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 748 {
 749     KIO::CopyJob* job = KIO::move(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 750     KJobWidgets::setWindow(job, this);
 751
 752     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 753     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotCopyingDone);
 754     KIO::FileUndoManager::self()->recordCopyJob(job);
 755
 756 }
 757
 758 void DolphinView::paste()
 759 {
 760     pasteToUrl(url());
 761 }
 762
 763 void DolphinView::pasteIntoFolder()
 764 {
 765     const KFileItemList items = selectedItems();
 766     if ((items.count() == 1) && items.first().isDir()) {
 767         pasteToUrl(items.first().url());
 768     }
 769 }
 770
 771 void DolphinView::duplicateSelectedItems()
 772 {
 773     const KFileItemList itemList = selectedItems();
 774     if (itemList.isEmpty()) {
 775         return;
 776     }
 777
 778     const QMimeDatabase db;
 779
 780     // Duplicate all selected items and append "copy" to the end of the file name
 781     // but before the filename extension, if present
 782     QList<QUrl> newSelection;
 783     for (const auto &item : itemList) {
 784         const QUrl originalURL  = item.url();
 785         const QString originalDirectoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 786         const QString originalFileName = item.name();
 787
 788         QString extension = db.suffixForFileName(originalFileName);
 789
 790         QUrl duplicateURL = originalURL;
 791
 792         // No extension; new filename is "<oldfilename> copy"
 793         if (extension.isEmpty()) {
 794             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFileName));
 795         // There's an extension; new filename is "<oldfilename> copy.<extension>"
 796         } else {
 797             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 798             extension = QLatin1String(".") + extension;
 799             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 800             // Preserve file's original filename extension in case the casing differs
 801             // from what QMimeDatabase::suffixForFileName() returned
 802             const QString originalExtension = originalFileName.right(extension.size());
 803             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFilenameWithoutExtension) + originalExtension);
 804         }
 805
 806         KIO::CopyJob* job = KIO::copyAs(originalURL, duplicateURL);
 807         KJobWidgets::setWindow(job, this);
 808
 809         if (job) {
 810             newSelection << duplicateURL;
 811             KIO::FileUndoManager::self()->recordCopyJob(job);
 812         }
 813     }
 814
 815     forceUrlsSelection(newSelection.first(), newSelection);
 816 }
 817
 818 void DolphinView::stopLoading()
 819 {
 820     m_model->cancelDirectoryLoading();
 821 }
 822
 823 void DolphinView::updatePalette()
 824 {
 825     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 826     if (!m_active) {
 827         color.setAlpha(150);
 828     }
 829
 830     QWidget* viewport = m_container->viewport();
 831     if (viewport) {
 832         QPalette palette;
 833         palette.setColor(viewport->backgroundRole(), color);
 834         viewport->setPalette(palette);
 835     }
 836
 837     update();
 838 }
 839
 840 void DolphinView::abortTwoClicksRenaming()
 841 {
 842     m_twoClicksRenamingItemUrl.clear();
 843     m_twoClicksRenamingTimer->stop();
 844 }
 845
 846 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 847 {
 848     switch (event->type()) {
 849     case QEvent::PaletteChange:
 850         updatePalette();
 851         QPixmapCache::clear();
 852         break;
 853
 854     case QEvent::WindowActivate:
 855     case QEvent::WindowDeactivate:
 856         updatePalette();
 857         break;
 858
 859     case QEvent::KeyPress:
 860         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 861         if (GeneralSettings::useTabForSwitchingSplitView()) {
 862             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 863             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 864                 Q_EMIT toggleActiveViewRequested();
 865                 return true;
 866             }
 867         }
 868         break;
 869     case QEvent::FocusIn:
 870         if (watched == m_container) {
 871             setActive(true);
 872         }
 873         break;
 874
 875     case QEvent::GraphicsSceneDragEnter:
 876         if (watched == m_view) {
 877             m_dragging = true;
 878             abortTwoClicksRenaming();
 879         }
 880         break;
 881
 882     case QEvent::GraphicsSceneDragLeave:
 883         if (watched == m_view) {
 884             m_dragging = false;
 885         }
 886         break;
 887
 888     case QEvent::GraphicsSceneDrop:
 889         if (watched == m_view) {
 890             m_dragging = false;
 891         }
 892     default:
 893         break;
 894     }
 895
 896     return QWidget::eventFilter(watched, event);
 897 }
 898
 899 void DolphinView::wheelEvent(QWheelEvent* event)
 900 {
 901     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 902         const QPoint numDegrees = event->angleDelta() / 8;
 903         const QPoint numSteps = numDegrees / 15;
 904
 905         setZoomLevel(zoomLevel() + numSteps.y());
 906         event->accept();
 907     } else {
 908         event->ignore();
 909     }
 910 }
 911
 912 void DolphinView::hideEvent(QHideEvent* event)
 913 {
 914     hideToolTip();
 915     QWidget::hideEvent(event);
 916 }
 917
 918 bool DolphinView::event(QEvent* event)
 919 {
 920     if (event->type() == QEvent::WindowDeactivate) {
 921         /* See Bug 297355
 922          * Dolphin leaves file preview tooltips open even when is not visible.
 923          *
 924          * Hide tool-tip when Dolphin loses focus.
 925          */
 926         hideToolTip();
 927         abortTwoClicksRenaming();
 928     }
 929
 930     return QWidget::event(event);
 931 }
 932
 933 void DolphinView::activate()
 934 {
 935     setActive(true);
 936 }
 937
 938 void DolphinView::slotItemActivated(int index)
 939 {
 940     abortTwoClicksRenaming();
 941
 942     const KFileItem item = m_model->fileItem(index);
 943     if (!item.isNull()) {
 944         Q_EMIT itemActivated(item);
 945     }
 946 }
 947
 948 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 949 {
 950     Q_ASSERT(indexes.count() >= 2);
 951
 952     abortTwoClicksRenaming();
 953
 954     if (indexes.count() > 5) {
 955         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 956         const int answer = KMessageBox::warningYesNo(this, question);
 957         if (answer != KMessageBox::Yes) {
 958             return;
 959         }
 960     }
 961
 962     KFileItemList items;
 963     items.reserve(indexes.count());
 964
 965     for (int index : indexes) {
 966         KFileItem item = m_model->fileItem(index);
 967         const QUrl& url = openItemAsFolderUrl(item);
 968
 969         if (!url.isEmpty()) { // Open folders in new tabs
 970             Q_EMIT tabRequested(url);
 971         } else {
 972             items.append(item);
 973         }
 974     }
 975
 976     if (items.count() == 1) {
 977         Q_EMIT itemActivated(items.first());
 978     } else if (items.count() > 1) {
 979         Q_EMIT itemsActivated(items);
 980     }
 981 }
 982
 983 void DolphinView::slotItemMiddleClicked(int index)
 984 {
 985     const KFileItem& item = m_model->fileItem(index);
 986     const QUrl& url = openItemAsFolderUrl(item);
 987     if (!url.isEmpty()) {
 988         Q_EMIT tabRequested(url);
 989     } else if (isTabsForFilesEnabled()) {
 990         Q_EMIT tabRequested(item.url());
 991     }
 992 }
 993
 994 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 995 {
 996     // Force emit of a selection changed signal before we request the
 997     // context menu, to update the edit-actions first. (See Bug 294013)
 998     if (m_selectionChangedTimer->isActive()) {
 999         emitSelectionChangedSignal();
1000     }
1001
1002     const KFileItem item = m_model->fileItem(index);
1003     Q_EMIT requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
1004 }
1005
1006 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
1007 {
1008     Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
1009 }
1010
1011 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
1012 {
1013     ViewProperties props(viewPropertiesUrl());
1014
1015     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
1016
1017     KItemListView* view = m_container->controller()->view();
1018     const QList<QByteArray> visibleRolesSet = view->visibleRoles();
1019
1020     bool indexingEnabled = false;
1021 #ifdef HAVE_BALOO
1022     Baloo::IndexerConfig config;
1023     indexingEnabled = config.fileIndexingEnabled();
1024 #endif
1025
1026     QString groupName;
1027     QMenu* groupMenu = nullptr;
1028
1029     // Add all roles to the menu that can be shown or hidden by the user
1030     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
1031     for (const KFileItemModel::RoleInfo& info : rolesInfo) {
1032         if (info.role == "text") {
1033             // It should not be possible to hide the "text" role
1034             continue;
1035         }
1036
1037         const QString text = m_model->roleDescription(info.role);
1038         QAction* action = nullptr;
1039         if (info.group.isEmpty()) {
1040             action = menu->addAction(text);
1041         } else {
1042             if (!groupMenu || info.group != groupName) {
1043                 groupName = info.group;
1044                 groupMenu = menu->addMenu(groupName);
1045             }
1046
1047             action = groupMenu->addAction(text);
1048         }
1049
1050         action->setCheckable(true);
1051         action->setChecked(visibleRolesSet.contains(info.role));
1052         action->setData(info.role);
1053
1054         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
1055                             (info.requiresBaloo) ||
1056                             (info.requiresIndexer && indexingEnabled);
1057         action->setEnabled(enable);
1058     }
1059
1060     menu->addSeparator();
1061
1062     QActionGroup* widthsGroup = new QActionGroup(menu);
1063     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1064
1065     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1066     autoAdjustWidthsAction->setCheckable(true);
1067     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1068     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1069
1070     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1071     customWidthsAction->setCheckable(true);
1072     customWidthsAction->setChecked(!autoColumnWidths);
1073     customWidthsAction->setActionGroup(widthsGroup);
1074
1075     QAction* action = menu->exec(pos.toPoint());
1076     if (menu && action) {
1077         KItemListHeader* header = view->header();
1078
1079         if (action == autoAdjustWidthsAction) {
1080             // Clear the column-widths from the viewproperties and turn on
1081             // the automatic resizing of the columns
1082             props.setHeaderColumnWidths(QList<int>());
1083             header->setAutomaticColumnResizing(true);
1084         } else if (action == customWidthsAction) {
1085             // Apply the current column-widths as custom column-widths and turn
1086             // off the automatic resizing of the columns
1087             QList<int> columnWidths;
1088             const auto visibleRoles = view->visibleRoles();
1089             columnWidths.reserve(visibleRoles.count());
1090             for (const QByteArray& role : visibleRoles) {
1091                 columnWidths.append(header->columnWidth(role));
1092             }
1093             props.setHeaderColumnWidths(columnWidths);
1094             header->setAutomaticColumnResizing(false);
1095         } else {
1096             // Show or hide the selected role
1097             const QByteArray selectedRole = action->data().toByteArray();
1098
1099             QList<QByteArray> visibleRoles = view->visibleRoles();
1100             if (action->isChecked()) {
1101                 visibleRoles.append(selectedRole);
1102             } else {
1103                 visibleRoles.removeOne(selectedRole);
1104             }
1105
1106             view->setVisibleRoles(visibleRoles);
1107             props.setVisibleRoles(visibleRoles);
1108
1109             QList<int> columnWidths;
1110             if (!header->automaticColumnResizing()) {
1111                 const auto visibleRoles = view->visibleRoles();
1112                 columnWidths.reserve(visibleRoles.count());
1113                 for (const QByteArray& role : visibleRoles) {
1114                     columnWidths.append(header->columnWidth(role));
1115                 }
1116             }
1117             props.setHeaderColumnWidths(columnWidths);
1118         }
1119     }
1120
1121     delete menu;
1122 }
1123
1124 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current)
1125 {
1126     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1127
1128     ViewProperties props(viewPropertiesUrl());
1129     QList<int> columnWidths = props.headerColumnWidths();
1130     if (columnWidths.count() != visibleRoles.count()) {
1131         columnWidths.clear();
1132         columnWidths.reserve(visibleRoles.count());
1133         const KItemListHeader* header = m_view->header();
1134         for (const QByteArray& role : visibleRoles) {
1135             const int width = header->columnWidth(role);
1136             columnWidths.append(width);
1137         }
1138     }
1139
1140     const int roleIndex = visibleRoles.indexOf(role);
1141     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1142     columnWidths[roleIndex] = current;
1143
1144     props.setHeaderColumnWidths(columnWidths);
1145 }
1146
1147 void DolphinView::slotItemHovered(int index)
1148 {
1149     const KFileItem item = m_model->fileItem(index);
1150
1151     if (GeneralSettings::showToolTips() && !m_dragging) {
1152         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1153         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1154         itemRect.moveTo(pos);
1155
1156 #ifdef HAVE_BALOO
1157         m_toolTipManager->showToolTip(item, itemRect, nativeParentWidget()->windowHandle());
1158 #endif
1159     }
1160
1161     Q_EMIT requestItemInfo(item);
1162 }
1163
1164 void DolphinView::slotItemUnhovered(int index)
1165 {
1166     Q_UNUSED(index)
1167     hideToolTip();
1168     Q_EMIT requestItemInfo(KFileItem());
1169 }
1170
1171 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1172 {
1173     QUrl destUrl;
1174     KFileItem destItem = m_model->fileItem(index);
1175     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1176         // Use the URL of the view as drop target if the item is no directory
1177         // or desktop-file
1178         destItem = m_model->rootItem();
1179         destUrl = url();
1180     } else {
1181         // The item represents a directory or desktop-file
1182         destUrl = destItem.mostLocalUrl();
1183     }
1184
1185     QDropEvent dropEvent(event->pos().toPoint(),
1186                          event->possibleActions(),
1187                          event->mimeData(),
1188                          event->buttons(),
1189                          event->modifiers());
1190     dropUrls(destUrl, &dropEvent, this);
1191
1192     setActive(true);
1193 }
1194
1195 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1196 {
1197     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1198
1199     if (job) {
1200         connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
1201
1202         if (destUrl == url()) {
1203             // Mark the dropped urls as selected.
1204             m_clearSelectionBeforeSelectingNewItems = true;
1205             m_markFirstNewlySelectedItemAsCurrent = true;
1206             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1207         }
1208     }
1209 }
1210
1211 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1212 {
1213     if (previous != nullptr) {
1214         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1215         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1216         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1217         m_versionControlObserver->setModel(nullptr);
1218     }
1219
1220     if (current) {
1221         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1222         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1223         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1224         m_versionControlObserver->setModel(fileItemModel);
1225     }
1226 }
1227
1228 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1229 {
1230     Q_UNUSED(itemIndex)
1231
1232     hideToolTip();
1233
1234     if (buttons & Qt::BackButton) {
1235         Q_EMIT goBackRequested();
1236     } else if (buttons & Qt::ForwardButton) {
1237         Q_EMIT goForwardRequested();
1238     }
1239 }
1240
1241 void DolphinView::slotSelectedItemTextPressed(int index)
1242 {
1243     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1244         const KFileItem item = m_model->fileItem(index);
1245         const KFileItemListProperties capabilities(KFileItemList() << item);
1246         if (capabilities.supportsMoving()) {
1247             m_twoClicksRenamingItemUrl = item.url();
1248             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1249         }
1250     }
1251 }
1252
1253 void DolphinView::slotCopyingDone(KIO::Job *, const QUrl &, const QUrl &to)
1254 {
1255     slotItemCreated(to);
1256 }
1257
1258 void DolphinView::slotItemCreated(const QUrl& url)
1259 {
1260     if (m_markFirstNewlySelectedItemAsCurrent) {
1261         markUrlAsCurrent(url);
1262         m_markFirstNewlySelectedItemAsCurrent = false;
1263     }
1264     m_selectedUrls << url;
1265 }
1266
1267 void DolphinView::slotJobResult(KJob *job)
1268 {
1269     if (job->error()) {
1270         Q_EMIT errorMessage(job->errorString());
1271     }
1272     if (!m_selectedUrls.isEmpty()) {
1273         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1274     }
1275 }
1276
1277 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1278 {
1279     const int currentCount = current.count();
1280     const int previousCount = previous.count();
1281     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1282                                        (currentCount >  0 && previousCount == 0);
1283
1284     // If nothing has been selected before and something got selected (or if something
1285     // was selected before and now nothing is selected) the selectionChangedSignal must
1286     // be emitted asynchronously as fast as possible to update the edit-actions.
1287     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1288     m_selectionChangedTimer->start();
1289 }
1290
1291 void DolphinView::emitSelectionChangedSignal()
1292 {
1293     m_selectionChangedTimer->stop();
1294     Q_EMIT selectionChanged(selectedItems());
1295 }
1296
1297 void DolphinView::slotStatJobResult(KJob *job)
1298 {
1299     int folderCount = 0;
1300     int fileCount = 0;
1301     KIO::filesize_t totalFileSize = 0;
1302     bool countFileSize = true;
1303
1304     const auto entry =  static_cast<KIO::StatJob *>(job)->statResult();
1305     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1306         // We have a precomputed value.
1307         totalFileSize = static_cast<KIO::filesize_t>(
1308                                 entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1309         countFileSize = false;
1310     }
1311
1312     const int itemCount = m_model->count();
1313     for (int i = 0; i < itemCount; ++i) {
1314         const KFileItem item = m_model->fileItem(i);
1315         if (item.isDir()) {
1316             ++folderCount;
1317         } else {
1318             ++fileCount;
1319             if (countFileSize) {
1320                 totalFileSize += item.size();
1321             }
1322         }
1323     }
1324     emitStatusBarText(folderCount, fileCount, totalFileSize, NoSelection);
1325 }
1326
1327 void DolphinView::updateSortRole(const QByteArray& role)
1328 {
1329     ViewProperties props(viewPropertiesUrl());
1330     props.setSortRole(role);
1331
1332     KItemModelBase* model = m_container->controller()->model();
1333     model->setSortRole(role);
1334
1335     Q_EMIT sortRoleChanged(role);
1336 }
1337
1338 void DolphinView::updateSortOrder(Qt::SortOrder order)
1339 {
1340     ViewProperties props(viewPropertiesUrl());
1341     props.setSortOrder(order);
1342
1343     m_model->setSortOrder(order);
1344
1345     Q_EMIT sortOrderChanged(order);
1346 }
1347
1348 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1349 {
1350     ViewProperties props(viewPropertiesUrl());
1351     props.setSortFoldersFirst(foldersFirst);
1352
1353     m_model->setSortDirectoriesFirst(foldersFirst);
1354
1355     Q_EMIT sortFoldersFirstChanged(foldersFirst);
1356 }
1357
1358 QPair<bool, QString> DolphinView::pasteInfo() const
1359 {
1360     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1361     QPair<bool, QString> info;
1362     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1363     return info;
1364 }
1365
1366 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1367 {
1368     m_tabsForFiles = tabsForFiles;
1369 }
1370
1371 bool DolphinView::isTabsForFilesEnabled() const
1372 {
1373     return m_tabsForFiles;
1374 }
1375
1376 bool DolphinView::itemsExpandable() const
1377 {
1378     return m_mode == DetailsView;
1379 }
1380
1381 void DolphinView::restoreState(QDataStream& stream)
1382 {
1383     // Read the version number of the view state and check if the version is supported.
1384     quint32 version = 0;
1385     stream >> version;
1386     if (version != 1) {
1387         // The version of the view state isn't supported, we can't restore it.
1388         return;
1389     }
1390
1391     // Restore the current item that had the keyboard focus
1392     stream >> m_currentItemUrl;
1393
1394     // Restore the previously selected items
1395     stream >> m_selectedUrls;
1396
1397     // Restore the view position
1398     stream >> m_restoredContentsPosition;
1399
1400     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1401     QSet<QUrl> urls;
1402     stream >> urls;
1403     m_model->restoreExpandedDirectories(urls);
1404 }
1405
1406 void DolphinView::saveState(QDataStream& stream)
1407 {
1408     stream << quint32(1); // View state version
1409
1410     // Save the current item that has the keyboard focus
1411     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1412     if (currentIndex != -1) {
1413         KFileItem item = m_model->fileItem(currentIndex);
1414         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1415         QUrl currentItemUrl = item.url();
1416         stream << currentItemUrl;
1417     } else {
1418         stream << QUrl();
1419     }
1420
1421     // Save the selected urls
1422     stream << selectedItems().urlList();
1423
1424     // Save view position
1425     const qreal x = m_container->horizontalScrollBar()->value();
1426     const qreal y = m_container->verticalScrollBar()->value();
1427     stream << QPoint(x, y);
1428
1429     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1430     stream << m_model->expandedDirectories();
1431 }
1432
1433 KFileItem DolphinView::rootItem() const
1434 {
1435     return m_model->rootItem();
1436 }
1437
1438 void DolphinView::setViewPropertiesContext(const QString& context)
1439 {
1440     m_viewPropertiesContext = context;
1441 }
1442
1443 QString DolphinView::viewPropertiesContext() const
1444 {
1445     return m_viewPropertiesContext;
1446 }
1447
1448 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1449 {
1450     if (item.isNull()) {
1451         return QUrl();
1452     }
1453
1454     QUrl url = item.targetUrl();
1455
1456     if (item.isDir()) {
1457         return url;
1458     }
1459
1460     if (item.isMimeTypeKnown()) {
1461         const QString& mimetype = item.mimetype();
1462
1463         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1464             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1465             // zip:/<path>/ when clicking on a zip file, etc.
1466             // The .protocol file specifies the mimetype that the kioslave handles.
1467             // Note that we don't use mimetype inheritance since we don't want to
1468             // open OpenDocument files as zip folders...
1469             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1470             if (!protocol.isEmpty()) {
1471                 url.setScheme(protocol);
1472                 return url;
1473             }
1474         }
1475
1476         if (mimetype == QLatin1String("application/x-desktop")) {
1477             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1478             KDesktopFile desktopFile(url.toLocalFile());
1479             if (desktopFile.hasLinkType()) {
1480                 const QString linkUrl = desktopFile.readUrl();
1481                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1482                     return QUrl::fromUserInput(linkUrl);
1483                 }
1484             }
1485         }
1486     }
1487
1488     return QUrl();
1489 }
1490
1491 void DolphinView::resetZoomLevel()
1492 {
1493     ViewModeSettings::ViewMode mode;
1494
1495     switch (m_mode) {
1496     case IconsView:     mode = ViewModeSettings::IconsMode;   break;
1497     case CompactView:   mode = ViewModeSettings::CompactMode; break;
1498     case DetailsView:   mode = ViewModeSettings::DetailsMode; break;
1499     }
1500     const ViewModeSettings settings(mode);
1501     const QSize iconSize = QSize(settings.iconSize(), settings.iconSize());
1502     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(iconSize));
1503 }
1504
1505 void DolphinView::observeCreatedItem(const QUrl& url)
1506 {
1507     if (m_active) {
1508         forceUrlsSelection(url, {url});
1509     }
1510 }
1511
1512 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1513 {
1514     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1515         Q_EMIT redirection(oldUrl, newUrl);
1516         m_url = newUrl; // #186947
1517     }
1518 }
1519
1520 void DolphinView::updateViewState()
1521 {
1522     if (m_currentItemUrl != QUrl()) {
1523         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1524
1525         // if there is a selection already, leave it that way
1526         if (!selectionManager->hasSelection()) {
1527             const int currentIndex = m_model->index(m_currentItemUrl);
1528             if (currentIndex != -1) {
1529                 selectionManager->setCurrentItem(currentIndex);
1530
1531                 // scroll to current item and reset the state
1532                 if (m_scrollToCurrentItem) {
1533                     m_view->scrollToItem(currentIndex);
1534                     m_scrollToCurrentItem = false;
1535                 }
1536             } else {
1537                 selectionManager->setCurrentItem(0);
1538             }
1539         }
1540
1541         m_currentItemUrl = QUrl();
1542     }
1543
1544     if (!m_restoredContentsPosition.isNull()) {
1545         const int x = m_restoredContentsPosition.x();
1546         const int y = m_restoredContentsPosition.y();
1547         m_restoredContentsPosition = QPoint();
1548
1549         m_container->horizontalScrollBar()->setValue(x);
1550         m_container->verticalScrollBar()->setValue(y);
1551     }
1552
1553     if (!m_selectedUrls.isEmpty()) {
1554         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1555
1556         // if there is a selection already, leave it that way
1557         if (!selectionManager->hasSelection()) {
1558             if (m_clearSelectionBeforeSelectingNewItems) {
1559                 selectionManager->clearSelection();
1560                 m_clearSelectionBeforeSelectingNewItems = false;
1561             }
1562
1563             KItemSet selectedItems = selectionManager->selectedItems();
1564
1565             QList<QUrl>::iterator it = m_selectedUrls.begin();
1566             while (it != m_selectedUrls.end()) {
1567                 const int index = m_model->index(*it);
1568                 if (index >= 0) {
1569                     selectedItems.insert(index);
1570                     it = m_selectedUrls.erase(it);
1571                 } else {
1572                     ++it;
1573                 }
1574             }
1575
1576             selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1577             selectionManager->setSelectedItems(selectedItems);
1578         }
1579     }
1580 }
1581
1582 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1583 {
1584 #ifdef HAVE_BALOO
1585     if (GeneralSettings::showToolTips()) {
1586         m_toolTipManager->hideToolTip(behavior);
1587     }
1588 #else
1589         Q_UNUSED(behavior)
1590 #endif
1591 }
1592
1593 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1594 {
1595     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1596
1597     // verify that only one item is selected
1598     if (selectionManager->selectedItems().count() == 1) {
1599         const int index = selectionManager->currentItem();
1600         const QUrl fileItemUrl = m_model->fileItem(index).url();
1601
1602         // check if the selected item was the same item that started the twoClicksRenaming
1603         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1604             renameSelectedItems();
1605         }
1606     }
1607 }
1608
1609 void DolphinView::slotTrashFileFinished(KJob* job)
1610 {
1611     if (job->error() == 0) {
1612         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1613     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1614         Q_EMIT errorMessage(job->errorString());
1615     }
1616 }
1617
1618 void DolphinView::slotDeleteFileFinished(KJob* job)
1619 {
1620     if (job->error() == 0) {
1621         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1622     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1623         Q_EMIT errorMessage(job->errorString());
1624     }
1625 }
1626
1627 void DolphinView::slotRenamingResult(KJob* job)
1628 {
1629     if (job->error()) {
1630         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1631         Q_ASSERT(copyJob);
1632         const QUrl newUrl = copyJob->destUrl();
1633         const int index = m_model->index(newUrl);
1634         if (index >= 0) {
1635             QHash<QByteArray, QVariant> data;
1636             const QUrl oldUrl = copyJob->srcUrls().at(0);
1637             data.insert("text", oldUrl.fileName());
1638             m_model->setData(index, data);
1639         }
1640     }
1641 }
1642
1643 void DolphinView::slotDirectoryLoadingStarted()
1644 {
1645     m_loading = true;
1646     updatePlaceholderLabel();
1647
1648     // Disable the writestate temporary until it can be determined in a fast way
1649     // in DolphinView::slotDirectoryLoadingCompleted()
1650     if (m_isFolderWritable) {
1651         m_isFolderWritable = false;
1652         Q_EMIT writeStateChanged(m_isFolderWritable);
1653     }
1654
1655     Q_EMIT directoryLoadingStarted();
1656 }
1657
1658 void DolphinView::slotDirectoryLoadingCompleted()
1659 {
1660     m_loading = false;
1661
1662     // Update the view-state. This has to be done asynchronously
1663     // because the view might not be in its final state yet.
1664     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1665
1666     // Update the placeholder label in case we found that the folder was empty
1667     // after loading it
1668
1669     Q_EMIT directoryLoadingCompleted();
1670
1671     updatePlaceholderLabel();
1672     updateWritableState();
1673 }
1674
1675 void DolphinView::slotDirectoryLoadingCanceled()
1676 {
1677     m_loading = false;
1678
1679     updatePlaceholderLabel();
1680
1681     Q_EMIT directoryLoadingCanceled();
1682 }
1683
1684 void DolphinView::slotItemsChanged()
1685 {
1686     m_assureVisibleCurrentIndex = false;
1687 }
1688
1689 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1690 {
1691     Q_UNUSED(previous)
1692     Q_ASSERT(m_model->sortOrder() == current);
1693
1694     ViewProperties props(viewPropertiesUrl());
1695     props.setSortOrder(current);
1696
1697     Q_EMIT sortOrderChanged(current);
1698 }
1699
1700 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1701 {
1702     Q_UNUSED(previous)
1703     Q_ASSERT(m_model->sortRole() == current);
1704
1705     ViewProperties props(viewPropertiesUrl());
1706     props.setSortRole(current);
1707
1708     Q_EMIT sortRoleChanged(current);
1709 }
1710
1711 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1712                                                   const QList<QByteArray>& previous)
1713 {
1714     Q_UNUSED(previous)
1715     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1716
1717     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1718
1719     m_visibleRoles = current;
1720
1721     ViewProperties props(viewPropertiesUrl());
1722     props.setVisibleRoles(m_visibleRoles);
1723
1724     Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1725 }
1726
1727 void DolphinView::slotRoleEditingCanceled()
1728 {
1729     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1730                this, &DolphinView::slotRoleEditingFinished);
1731 }
1732
1733 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1734 {
1735     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1736                this, &DolphinView::slotRoleEditingFinished);
1737
1738     if (index < 0 || index >= m_model->count()) {
1739         return;
1740     }
1741
1742     if (role == "text") {
1743         const KFileItem oldItem = m_model->fileItem(index);
1744         const QString newName = value.toString();
1745         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1746             const QUrl oldUrl = oldItem.url();
1747
1748             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1749             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1750
1751 #ifndef Q_OS_WIN
1752             //Confirm hiding file/directory by renaming inline
1753             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1754                 KGuiItem yesGuiItem(KStandardGuiItem::yes());
1755                 yesGuiItem.setText(i18nc("@action:button", "Rename and Hide"));
1756
1757                 const auto code = KMessageBox::questionYesNo(this,
1758                                                              oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1759                                                                                      "Do you still want to rename it?")
1760                                                                               : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1761                                                                                      "Do you still want to rename it?"),
1762                                                              oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
1763                                                              yesGuiItem,
1764                                                              KStandardGuiItem::cancel(),
1765                                                              QStringLiteral("ConfirmHide")
1766                                                             );
1767
1768                 if (code == KMessageBox::No) {
1769                    return;
1770                 }
1771             }
1772 #endif
1773
1774             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1775             if (!newNameExistsAlready) {
1776                 // Only change the data in the model if no item with the new name
1777                 // is in the model yet. If there is an item with the new name
1778                 // already, calling KIO::CopyJob will open a dialog
1779                 // asking for a new name, and KFileItemModel will update the
1780                 // data when the dir lister signals that the file name has changed.
1781                 QHash<QByteArray, QVariant> data;
1782                 data.insert(role, value);
1783                 m_model->setData(index, data);
1784             }
1785
1786             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1787             KJobWidgets::setWindow(job, this);
1788             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1789             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
1790
1791             forceUrlsSelection(newUrl, {newUrl});
1792
1793             if (!newNameExistsAlready) {
1794                 // Only connect the result signal if there is no item with the new name
1795                 // in the model yet, see bug 328262.
1796                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1797             }
1798         }
1799     }
1800 }
1801
1802 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1803 {
1804     if (!url.isValid()) {
1805         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1806         if (location.isEmpty()) {
1807             Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."));
1808         } else {
1809             Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1810         }
1811         return;
1812     }
1813
1814     if (reload) {
1815         m_model->refreshDirectory(url);
1816     } else {
1817         m_model->loadDirectory(url);
1818     }
1819 }
1820
1821 void DolphinView::applyViewProperties()
1822 {
1823     const ViewProperties props(viewPropertiesUrl());
1824     applyViewProperties(props);
1825 }
1826
1827 void DolphinView::applyViewProperties(const ViewProperties& props)
1828 {
1829     m_view->beginTransaction();
1830
1831     const Mode mode = props.viewMode();
1832     if (m_mode != mode) {
1833         const Mode previousMode = m_mode;
1834         m_mode = mode;
1835
1836         // Changing the mode might result in changing
1837         // the zoom level. Remember the old zoom level so
1838         // that zoomLevelChanged() can get emitted.
1839         const int oldZoomLevel = m_view->zoomLevel();
1840         applyModeToView();
1841
1842         Q_EMIT modeChanged(m_mode, previousMode);
1843
1844         if (m_view->zoomLevel() != oldZoomLevel) {
1845             Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1846         }
1847     }
1848
1849     const bool hiddenFilesShown = props.hiddenFilesShown();
1850     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1851         m_model->setShowHiddenFiles(hiddenFilesShown);
1852         Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
1853     }
1854
1855     const bool groupedSorting = props.groupedSorting();
1856     if (groupedSorting != m_model->groupedSorting()) {
1857         m_model->setGroupedSorting(groupedSorting);
1858         Q_EMIT groupedSortingChanged(groupedSorting);
1859     }
1860
1861     const QByteArray sortRole = props.sortRole();
1862     if (sortRole != m_model->sortRole()) {
1863         m_model->setSortRole(sortRole);
1864         Q_EMIT sortRoleChanged(sortRole);
1865     }
1866
1867     const Qt::SortOrder sortOrder = props.sortOrder();
1868     if (sortOrder != m_model->sortOrder()) {
1869         m_model->setSortOrder(sortOrder);
1870         Q_EMIT sortOrderChanged(sortOrder);
1871     }
1872
1873     const bool sortFoldersFirst = props.sortFoldersFirst();
1874     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1875         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1876         Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
1877     }
1878
1879     const QList<QByteArray> visibleRoles = props.visibleRoles();
1880     if (visibleRoles != m_visibleRoles) {
1881         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1882         m_visibleRoles = visibleRoles;
1883         m_view->setVisibleRoles(visibleRoles);
1884         Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1885     }
1886
1887     const bool previewsShown = props.previewsShown();
1888     if (previewsShown != m_view->previewsShown()) {
1889         const int oldZoomLevel = zoomLevel();
1890
1891         m_view->setPreviewsShown(previewsShown);
1892         Q_EMIT previewsShownChanged(previewsShown);
1893
1894         // Changing the preview-state might result in a changed zoom-level
1895         if (oldZoomLevel != zoomLevel()) {
1896             Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
1897         }
1898     }
1899
1900     KItemListView* itemListView = m_container->controller()->view();
1901     if (itemListView->isHeaderVisible()) {
1902         KItemListHeader* header = itemListView->header();
1903         const QList<int> headerColumnWidths = props.headerColumnWidths();
1904         const int rolesCount = m_visibleRoles.count();
1905         if (headerColumnWidths.count() == rolesCount) {
1906             header->setAutomaticColumnResizing(false);
1907
1908             QHash<QByteArray, qreal> columnWidths;
1909             for (int i = 0; i < rolesCount; ++i) {
1910                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1911             }
1912             header->setColumnWidths(columnWidths);
1913         } else {
1914             header->setAutomaticColumnResizing(true);
1915         }
1916     }
1917
1918     m_view->endTransaction();
1919 }
1920
1921 void DolphinView::applyModeToView()
1922 {
1923     switch (m_mode) {
1924     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1925     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1926     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1927     default: Q_ASSERT(false); break;
1928     }
1929 }
1930
1931 void DolphinView::pasteToUrl(const QUrl& url)
1932 {
1933     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1934     KJobWidgets::setWindow(job, this);
1935     m_clearSelectionBeforeSelectingNewItems = true;
1936     m_markFirstNewlySelectedItemAsCurrent = true;
1937     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1938     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotJobResult);
1939 }
1940
1941 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1942 {
1943     QList<QUrl> urls;
1944
1945     const KFileItemList items = selectedItems();
1946     urls.reserve(items.count());
1947     for (const KFileItem& item : items) {
1948         urls.append(item.url());
1949     }
1950
1951     if (itemsExpandable()) {
1952         // TODO: Check if we still need KDirModel for this in KDE 5.0
1953         urls = KDirModel::simplifiedUrlList(urls);
1954     }
1955
1956     return urls;
1957 }
1958
1959 QMimeData* DolphinView::selectionMimeData() const
1960 {
1961     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1962     const KItemSet selectedIndexes = selectionManager->selectedItems();
1963
1964     return m_model->createMimeData(selectedIndexes);
1965 }
1966
1967 void DolphinView::updateWritableState()
1968 {
1969     const bool wasFolderWritable = m_isFolderWritable;
1970     m_isFolderWritable = false;
1971
1972     KFileItem item = m_model->rootItem();
1973     if (item.isNull()) {
1974         // Try to find out if the URL is writable even if the "root item" is
1975         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1976         item = KFileItem(url());
1977         item.setDelayedMimeTypes(true);
1978     }
1979
1980     KFileItemListProperties capabilities(KFileItemList() << item);
1981     m_isFolderWritable = capabilities.supportsWriting();
1982
1983     if (m_isFolderWritable != wasFolderWritable) {
1984         Q_EMIT writeStateChanged(m_isFolderWritable);
1985     }
1986 }
1987
1988 QUrl DolphinView::viewPropertiesUrl() const
1989 {
1990     if (m_viewPropertiesContext.isEmpty()) {
1991         return m_url;
1992     }
1993
1994     QUrl url;
1995     url.setScheme(m_url.scheme());
1996     url.setPath(m_viewPropertiesContext);
1997     return url;
1998 }
1999
2000 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl>& urls)
2001 {
2002     forceUrlsSelection(urls.first(), urls);
2003 }
2004
2005 void DolphinView::forceUrlsSelection(const QUrl& current, const QList<QUrl>& selected)
2006 {
2007     clearSelection();
2008     m_clearSelectionBeforeSelectingNewItems = true;
2009     markUrlAsCurrent(current);
2010     markUrlsAsSelected(selected);
2011 }
2012
2013 void DolphinView::copyPathToClipboard()
2014 {
2015     const KFileItemList list = selectedItems();
2016     if (list.isEmpty()) {
2017         return;
2018     }
2019     const KFileItem& item = list.at(0);
2020     QString path = item.localPath();
2021     if (path.isEmpty()) {
2022         path = item.url().toDisplayString();
2023     }
2024     QClipboard* clipboard = QApplication::clipboard();
2025     if (clipboard == nullptr) {
2026         return;
2027     }
2028     clipboard->setText(path);
2029 }
2030
2031 void DolphinView::slotIncreaseZoom()
2032 {
2033     setZoomLevel(zoomLevel() + 1);
2034 }
2035
2036 void DolphinView::slotDecreaseZoom()
2037 {
2038     setZoomLevel(zoomLevel() - 1);
2039 }
2040
2041 void DolphinView::slotSwipeUp()
2042 {
2043     Q_EMIT goUpRequested();
2044 }
2045
2046 void DolphinView::updatePlaceholderLabel()
2047 {
2048     if (m_loading || itemsCount() > 0) {
2049         m_placeholderLabel->setVisible(false);
2050         return;
2051     }
2052
2053     if (!nameFilter().isEmpty()) {
2054         m_placeholderLabel->setText(i18n("No items matching the filter"));
2055     } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
2056         m_placeholderLabel->setText(i18n("No items matching the search"));
2057     } else if (m_url.scheme() == QLatin1String("trash")) {
2058         m_placeholderLabel->setText(i18n("Trash is empty"));
2059     } else if (m_url.scheme() == QLatin1String("tags")) {
2060         m_placeholderLabel->setText(i18n("No tags"));
2061     } else if (m_url.scheme() == QLatin1String("recentlyused")) {
2062         m_placeholderLabel->setText(i18n("No recently used items"));
2063     } else if (m_url.scheme() == QLatin1String("smb")) {
2064         m_placeholderLabel->setText(i18n("No shared folders found"));
2065     } else if (m_url.scheme() == QLatin1String("network")) {
2066         m_placeholderLabel->setText(i18n("No relevant network resources found"));
2067     } else if (m_url.scheme() == QLatin1String("mtp")) {
2068         m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
2069     } else if (m_url.scheme() == QLatin1String("bluetooth")) {
2070         m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
2071     } else {
2072         m_placeholderLabel->setText(i18n("Folder is empty"));
2073     }
2074
2075     m_placeholderLabel->setVisible(true);
2076 }