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 "versioncontrol/versioncontrolobserver.h"
  23 #include "viewproperties.h"
  24 #include "views/tooltips/tooltipmanager.h"
  25 #include "zoomlevelinfo.h"
  26
  27 #ifdef HAVE_BALOO
  28 #include <Baloo/IndexerConfig>
  29 #endif
  30 #include <KColorScheme>
  31 #include <KDesktopFile>
  32 #include <KDirModel>
  33 #include <KFileItemListProperties>
  34 #include <KFormat>
  35 #include <KIO/CopyJob>
  36 #include <KIO/DeleteJob>
  37 #include <KIO/DropJob>
  38 #include <KIO/JobUiDelegate>
  39 #include <KIO/Paste>
  40 #include <KIO/PasteJob>
  41 #include <KIO/PreviewJob>
  42 #include <KIO/RenameFileDialog>
  43 #include <KJobWidgets>
  44 #include <KLocalizedString>
  45 #include <KMessageBox>
  46 #include <KProtocolManager>
  47
  48 #include <QAbstractItemView>
  49 #include <QActionGroup>
  50 #include <QApplication>
  51 #include <QClipboard>
  52 #include <QDropEvent>
  53 #include <QGraphicsOpacityEffect>
  54 #include <QGraphicsSceneDragDropEvent>
  55 #include <QLabel>
  56 #include <QMenu>
  57 #include <QMimeDatabase>
  58 #include <QPixmapCache>
  59 #include <QPointer>
  60 #include <QScrollBar>
  61 #include <QSize>
  62 #include <QTimer>
  63 #include <QVBoxLayout>
  64
  65 DolphinView::DolphinView(const QUrl& url, QWidget* parent) :
  66     QWidget(parent),
  67     m_active(true),
  68     m_tabsForFiles(false),
  69     m_assureVisibleCurrentIndex(false),
  70     m_isFolderWritable(true),
  71     m_dragging(false),
  72     m_loading(false),
  73     m_url(url),
  74     m_viewPropertiesContext(),
  75     m_mode(DolphinView::IconsView),
  76     m_visibleRoles(),
  77     m_topLayout(nullptr),
  78     m_model(nullptr),
  79     m_view(nullptr),
  80     m_container(nullptr),
  81     m_toolTipManager(nullptr),
  82     m_selectionChangedTimer(nullptr),
  83     m_currentItemUrl(),
  84     m_scrollToCurrentItem(false),
  85     m_restoredContentsPosition(),
  86     m_selectedUrls(),
  87     m_clearSelectionBeforeSelectingNewItems(false),
  88     m_markFirstNewlySelectedItemAsCurrent(false),
  89     m_versionControlObserver(nullptr),
  90     m_twoClicksRenamingTimer(nullptr),
  91     m_placeholderLabel(nullptr)
  92 {
  93     m_topLayout = new QVBoxLayout(this);
  94     m_topLayout->setSpacing(0);
  95     m_topLayout->setContentsMargins(0, 0, 0, 0);
  96
  97     // When a new item has been created by the "Create New..." menu, the item should
  98     // get selected and it must be assured that the item will get visible. As the
  99     // creation is done asynchronously, several signals must be checked:
 100     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated,
 101             this, &DolphinView::observeCreatedItem);
 102
 103     m_selectionChangedTimer = new QTimer(this);
 104     m_selectionChangedTimer->setSingleShot(true);
 105     m_selectionChangedTimer->setInterval(300);
 106     connect(m_selectionChangedTimer, &QTimer::timeout,
 107             this, &DolphinView::emitSelectionChangedSignal);
 108
 109     m_model = new KFileItemModel(this);
 110     m_view = new DolphinItemListView();
 111     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 112     m_view->setVisibleRoles({"text"});
 113     applyModeToView();
 114
 115     KItemListController* controller = new KItemListController(m_model, m_view, this);
 116     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 117     controller->setAutoActivationDelay(delay);
 118
 119     // The EnlargeSmallPreviews setting can only be changed after the model
 120     // has been set in the view by KItemListController.
 121     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 122
 123     m_container = new KItemListContainer(controller, this);
 124     m_container->installEventFilter(this);
 125     setFocusProxy(m_container);
 126     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
 127     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
 128
 129     // Show some placeholder text for empty folders
 130     // This is made using a heavily-modified QLabel rather than a KTitleWidget
 131     // because KTitleWidget can't be told to turn off mouse-selectable text
 132     m_placeholderLabel = new QLabel(this);
 133     QFont placeholderLabelFont;
 134     // To match the size of a level 2 Heading/KTitleWidget
 135     placeholderLabelFont.setPointSize(qRound(placeholderLabelFont.pointSize() * 1.3));
 136     m_placeholderLabel->setFont(placeholderLabelFont);
 137     m_placeholderLabel->setTextInteractionFlags(Qt::NoTextInteraction);
 138     m_placeholderLabel->setWordWrap(true);
 139     m_placeholderLabel->setAlignment(Qt::AlignCenter);
 140     // Match opacity of QML placeholder label component
 141     auto *effect = new QGraphicsOpacityEffect(m_placeholderLabel);
 142     effect->setOpacity(0.5);
 143     m_placeholderLabel->setGraphicsEffect(effect);
 144     // Set initial text and visibility
 145     updatePlaceholderLabel();
 146
 147     auto *centeringLayout = new QVBoxLayout(m_container);
 148     centeringLayout->addWidget(m_placeholderLabel);
 149     centeringLayout->setAlignment(m_placeholderLabel, Qt::AlignCenter);
 150
 151     controller->setSelectionBehavior(KItemListController::MultiSelection);
 152     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 153     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 154     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 155     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 156     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 157     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 158     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 159     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 160     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 161     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 162     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 163     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 164     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 165     connect(controller, &KItemListController::increaseZoom, this, &DolphinView::slotIncreaseZoom);
 166     connect(controller, &KItemListController::decreaseZoom, this, &DolphinView::slotDecreaseZoom);
 167     connect(controller, &KItemListController::swipeUp, this, &DolphinView::slotSwipeUp);
 168
 169     connect(m_model, &KFileItemModel::directoryLoadingStarted,       this, &DolphinView::slotDirectoryLoadingStarted);
 170     connect(m_model, &KFileItemModel::directoryLoadingCompleted,     this, &DolphinView::slotDirectoryLoadingCompleted);
 171     connect(m_model, &KFileItemModel::directoryLoadingCanceled,      this, &DolphinView::slotDirectoryLoadingCanceled);
 172     connect(m_model, &KFileItemModel::directoryLoadingProgress,   this, &DolphinView::directoryLoadingProgress);
 173     connect(m_model, &KFileItemModel::directorySortingProgress,   this, &DolphinView::directorySortingProgress);
 174     connect(m_model, &KFileItemModel::itemsChanged,
 175             this, &DolphinView::slotItemsChanged);
 176     connect(m_model, &KFileItemModel::itemsRemoved,    this, &DolphinView::itemCountChanged);
 177     connect(m_model, &KFileItemModel::itemsInserted,   this, &DolphinView::itemCountChanged);
 178     connect(m_model, &KFileItemModel::infoMessage,            this, &DolphinView::infoMessage);
 179     connect(m_model, &KFileItemModel::errorMessage,           this, &DolphinView::errorMessage);
 180     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 181     connect(m_model, &KFileItemModel::urlIsFileError,            this, &DolphinView::urlIsFileError);
 182     connect(m_model, &KFileItemModel::fileItemsChanged,            this, &DolphinView::fileItemsChanged);
 183
 184     connect(this, &DolphinView::itemCountChanged,
 185             this, &DolphinView::updatePlaceholderLabel);
 186
 187     m_view->installEventFilter(this);
 188     connect(m_view, &DolphinItemListView::sortOrderChanged,
 189             this, &DolphinView::slotSortOrderChangedByHeader);
 190     connect(m_view, &DolphinItemListView::sortRoleChanged,
 191             this, &DolphinView::slotSortRoleChangedByHeader);
 192     connect(m_view, &DolphinItemListView::visibleRolesChanged,
 193             this, &DolphinView::slotVisibleRolesChangedByHeader);
 194     connect(m_view, &DolphinItemListView::roleEditingCanceled,
 195             this, &DolphinView::slotRoleEditingCanceled);
 196     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished,
 197             this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 198
 199     KItemListSelectionManager* selectionManager = controller->selectionManager();
 200     connect(selectionManager, &KItemListSelectionManager::selectionChanged,
 201             this, &DolphinView::slotSelectionChanged);
 202
 203 #ifdef HAVE_BALOO
 204     m_toolTipManager = new ToolTipManager(this);
 205     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 206 #endif
 207
 208     m_versionControlObserver = new VersionControlObserver(this);
 209     m_versionControlObserver->setView(this);
 210     m_versionControlObserver->setModel(m_model);
 211     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 212     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 213     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 214
 215     m_twoClicksRenamingTimer = new QTimer(this);
 216     m_twoClicksRenamingTimer->setSingleShot(true);
 217     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 218
 219     applyViewProperties();
 220     m_topLayout->addWidget(m_container);
 221
 222     loadDirectory(url);
 223 }
 224
 225 DolphinView::~DolphinView()
 226 {
 227 }
 228
 229 QUrl DolphinView::url() const
 230 {
 231     return m_url;
 232 }
 233
 234 void DolphinView::setActive(bool active)
 235 {
 236     if (active == m_active) {
 237         return;
 238     }
 239
 240     m_active = active;
 241
 242     updatePalette();
 243
 244     if (active) {
 245         m_container->setFocus();
 246         Q_EMIT activated();
 247         Q_EMIT writeStateChanged(m_isFolderWritable);
 248     }
 249 }
 250
 251 bool DolphinView::isActive() const
 252 {
 253     return m_active;
 254 }
 255
 256 void DolphinView::setMode(Mode mode)
 257 {
 258     if (mode != m_mode) {
 259         ViewProperties props(viewPropertiesUrl());
 260         props.setViewMode(mode);
 261
 262         // We pass the new ViewProperties to applyViewProperties, rather than
 263         // storing them on disk and letting applyViewProperties() read them
 264         // from there, to prevent that changing the view mode fails if the
 265         // .directory file is not writable (see bug 318534).
 266         applyViewProperties(props);
 267     }
 268 }
 269
 270 DolphinView::Mode DolphinView::mode() const
 271 {
 272     return m_mode;
 273 }
 274
 275 void DolphinView::setPreviewsShown(bool show)
 276 {
 277     if (previewsShown() == show) {
 278         return;
 279     }
 280
 281     ViewProperties props(viewPropertiesUrl());
 282     props.setPreviewsShown(show);
 283
 284     const int oldZoomLevel = m_view->zoomLevel();
 285     m_view->setPreviewsShown(show);
 286     Q_EMIT previewsShownChanged(show);
 287
 288     const int newZoomLevel = m_view->zoomLevel();
 289     if (newZoomLevel != oldZoomLevel) {
 290         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 291     }
 292 }
 293
 294 bool DolphinView::previewsShown() const
 295 {
 296     return m_view->previewsShown();
 297 }
 298
 299 void DolphinView::setHiddenFilesShown(bool show)
 300 {
 301     if (m_model->showHiddenFiles() == show) {
 302         return;
 303     }
 304
 305     const KFileItemList itemList = selectedItems();
 306     m_selectedUrls.clear();
 307     m_selectedUrls = itemList.urlList();
 308
 309     ViewProperties props(viewPropertiesUrl());
 310     props.setHiddenFilesShown(show);
 311
 312     m_model->setShowHiddenFiles(show);
 313     Q_EMIT hiddenFilesShownChanged(show);
 314 }
 315
 316 bool DolphinView::hiddenFilesShown() const
 317 {
 318     return m_model->showHiddenFiles();
 319 }
 320
 321 void DolphinView::setGroupedSorting(bool grouped)
 322 {
 323     if (grouped == groupedSorting()) {
 324         return;
 325     }
 326
 327     ViewProperties props(viewPropertiesUrl());
 328     props.setGroupedSorting(grouped);
 329     props.save();
 330
 331     m_container->controller()->model()->setGroupedSorting(grouped);
 332
 333     Q_EMIT groupedSortingChanged(grouped);
 334 }
 335
 336 bool DolphinView::groupedSorting() const
 337 {
 338     return m_model->groupedSorting();
 339 }
 340
 341 KFileItemList DolphinView::items() const
 342 {
 343     KFileItemList list;
 344     const int itemCount = m_model->count();
 345     list.reserve(itemCount);
 346
 347     for (int i = 0; i < itemCount; ++i) {
 348         list.append(m_model->fileItem(i));
 349     }
 350
 351     return list;
 352 }
 353
 354 int DolphinView::itemsCount() const
 355 {
 356     return m_model->count();
 357 }
 358
 359 KFileItemList DolphinView::selectedItems() const
 360 {
 361     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 362
 363     KFileItemList selectedItems;
 364     const auto items = selectionManager->selectedItems();
 365     selectedItems.reserve(items.count());
 366     for (int index : items) {
 367         selectedItems.append(m_model->fileItem(index));
 368     }
 369     return selectedItems;
 370 }
 371
 372 int DolphinView::selectedItemsCount() const
 373 {
 374     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 375     return selectionManager->selectedItems().count();
 376 }
 377
 378 void DolphinView::markUrlsAsSelected(const QList<QUrl>& urls)
 379 {
 380     m_selectedUrls = urls;
 381 }
 382
 383 void DolphinView::markUrlAsCurrent(const QUrl &url)
 384 {
 385     m_currentItemUrl = url;
 386     m_scrollToCurrentItem = true;
 387 }
 388
 389 void DolphinView::selectItems(const QRegularExpression &regexp, bool enabled)
 390 {
 391     const KItemListSelectionManager::SelectionMode mode = enabled
 392                                                         ? KItemListSelectionManager::Select
 393                                                         : KItemListSelectionManager::Deselect;
 394     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 395
 396     for (int index = 0; index < m_model->count(); index++) {
 397         const KFileItem item = m_model->fileItem(index);
 398         if (regexp.match(item.text()).hasMatch()) {
 399             // An alternative approach would be to store the matching items in a KItemSet and
 400             // select them in one go after the loop, but we'd need a new function
 401             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 402             // for that.
 403             selectionManager->setSelected(index, 1, mode);
 404         }
 405     }
 406 }
 407
 408 void DolphinView::setZoomLevel(int level)
 409 {
 410     const int oldZoomLevel = zoomLevel();
 411     m_view->setZoomLevel(level);
 412     if (zoomLevel() != oldZoomLevel) {
 413         hideToolTip();
 414         Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
 415     }
 416 }
 417
 418 int DolphinView::zoomLevel() const
 419 {
 420     return m_view->zoomLevel();
 421 }
 422
 423 void DolphinView::setSortRole(const QByteArray& role)
 424 {
 425     if (role != sortRole()) {
 426         updateSortRole(role);
 427     }
 428 }
 429
 430 QByteArray DolphinView::sortRole() const
 431 {
 432     const KItemModelBase* model = m_container->controller()->model();
 433     return model->sortRole();
 434 }
 435
 436 void DolphinView::setSortOrder(Qt::SortOrder order)
 437 {
 438     if (sortOrder() != order) {
 439         updateSortOrder(order);
 440     }
 441 }
 442
 443 Qt::SortOrder DolphinView::sortOrder() const
 444 {
 445     return m_model->sortOrder();
 446 }
 447
 448 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 449 {
 450     if (sortFoldersFirst() != foldersFirst) {
 451         updateSortFoldersFirst(foldersFirst);
 452     }
 453 }
 454
 455 bool DolphinView::sortFoldersFirst() const
 456 {
 457     return m_model->sortDirectoriesFirst();
 458 }
 459
 460 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 461 {
 462     const QList<QByteArray> previousRoles = roles;
 463
 464     ViewProperties props(viewPropertiesUrl());
 465     props.setVisibleRoles(roles);
 466
 467     m_visibleRoles = roles;
 468     m_view->setVisibleRoles(roles);
 469
 470     Q_EMIT visibleRolesChanged(m_visibleRoles, previousRoles);
 471 }
 472
 473 QList<QByteArray> DolphinView::visibleRoles() const
 474 {
 475     return m_visibleRoles;
 476 }
 477
 478 void DolphinView::reload()
 479 {
 480     QByteArray viewState;
 481     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 482     saveState(saveStream);
 483
 484     setUrl(url());
 485     loadDirectory(url(), true);
 486
 487     QDataStream restoreStream(viewState);
 488     restoreState(restoreStream);
 489 }
 490
 491 void DolphinView::readSettings()
 492 {
 493     const int oldZoomLevel = m_view->zoomLevel();
 494
 495     GeneralSettings::self()->load();
 496     m_view->readSettings();
 497     applyViewProperties();
 498
 499     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 500     m_container->controller()->setAutoActivationDelay(delay);
 501
 502     const int newZoomLevel = m_view->zoomLevel();
 503     if (newZoomLevel != oldZoomLevel) {
 504         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 505     }
 506 }
 507
 508 void DolphinView::writeSettings()
 509 {
 510     GeneralSettings::self()->save();
 511     m_view->writeSettings();
 512 }
 513
 514 void DolphinView::setNameFilter(const QString& nameFilter)
 515 {
 516     m_model->setNameFilter(nameFilter);
 517 }
 518
 519 QString DolphinView::nameFilter() const
 520 {
 521     return m_model->nameFilter();
 522 }
 523
 524 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 525 {
 526     return m_model->setMimeTypeFilters(filters);
 527 }
 528
 529 QStringList DolphinView::mimeTypeFilters() const
 530 {
 531     return m_model->mimeTypeFilters();
 532 }
 533
 534 void DolphinView::requestStatusBarText()
 535 {
 536     if (m_statJobForStatusBarText) {
 537         // Kill the pending request.
 538         m_statJobForStatusBarText->kill();
 539     }
 540
 541     if (m_container->controller()->selectionManager()->hasSelection()) {
 542         int folderCount = 0;
 543         int fileCount = 0;
 544         KIO::filesize_t totalFileSize = 0;
 545
 546         // Give a summary of the status of the selected files
 547         const KFileItemList list = selectedItems();
 548         for (const KFileItem& item : list) {
 549             if (item.isDir()) {
 550                 ++folderCount;
 551             } else {
 552                 ++fileCount;
 553                 totalFileSize += item.size();
 554             }
 555         }
 556
 557         if (folderCount + fileCount == 1) {
 558             // If only one item is selected, show info about it
 559             Q_EMIT statusBarTextChanged(list.first().getStatusBarInfo());
 560         } else {
 561             // At least 2 items are selected
 562             emitStatusBarText(folderCount, fileCount, totalFileSize, HasSelection);
 563         }
 564     } else { // has no selection
 565         if (!m_model->rootItem().url().isValid()) {
 566             return;
 567         }
 568
 569         m_statJobForStatusBarText = KIO::statDetails(m_model->rootItem().url(),
 570                         KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
 571         connect(m_statJobForStatusBarText, &KJob::result,
 572                 this, &DolphinView::slotStatJobResult);
 573         m_statJobForStatusBarText->start();
 574     }
 575 }
 576
 577 void DolphinView::emitStatusBarText(const int folderCount, const int fileCount,
 578                                     KIO::filesize_t totalFileSize, const Selection selection)
 579 {
 580     QString foldersText;
 581     QString filesText;
 582     QString summary;
 583
 584     if (selection == HasSelection) {
 585         // At least 2 items are selected because the case of 1 selected item is handled in
 586         // DolphinView::requestStatusBarText().
 587         foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 588         filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 589     } else {
 590         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 591         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 592     }
 593
 594     if (fileCount > 0 && folderCount > 0) {
 595         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 596                         foldersText, filesText,
 597                         KFormat().formatByteSize(totalFileSize));
 598     } else if (fileCount > 0) {
 599         summary = i18nc("@info:status files (size)", "%1 (%2)",
 600                         filesText,
 601                         KFormat().formatByteSize(totalFileSize));
 602     } else if (folderCount > 0) {
 603         summary = foldersText;
 604     } else {
 605         summary = i18nc("@info:status", "0 Folders, 0 Files");
 606     }
 607     Q_EMIT statusBarTextChanged(summary);
 608 }
 609
 610 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 611 {
 612     QList<QAction*> actions;
 613
 614     if (items.isEmpty()) {
 615         const KFileItem item = m_model->rootItem();
 616         if (!item.isNull()) {
 617             actions = m_versionControlObserver->actions(KFileItemList() << item);
 618         }
 619     } else {
 620         actions = m_versionControlObserver->actions(items);
 621     }
 622
 623     return actions;
 624 }
 625
 626 void DolphinView::setUrl(const QUrl& url)
 627 {
 628     if (url == m_url) {
 629         return;
 630     }
 631
 632     clearSelection();
 633
 634     m_url = url;
 635
 636     hideToolTip();
 637
 638     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 639                this, &DolphinView::slotRoleEditingFinished);
 640
 641     // It is important to clear the items from the model before
 642     // applying the view properties, otherwise expensive operations
 643     // might be done on the existing items although they get cleared
 644     // anyhow afterwards by loadDirectory().
 645     m_model->clear();
 646     applyViewProperties();
 647     loadDirectory(url);
 648
 649     Q_EMIT urlChanged(url);
 650 }
 651
 652 void DolphinView::selectAll()
 653 {
 654     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 655     selectionManager->setSelected(0, m_model->count());
 656 }
 657
 658 void DolphinView::invertSelection()
 659 {
 660     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 661     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 662 }
 663
 664 void DolphinView::clearSelection()
 665 {
 666     m_selectedUrls.clear();
 667     m_container->controller()->selectionManager()->clearSelection();
 668 }
 669
 670 void DolphinView::renameSelectedItems()
 671 {
 672     const KFileItemList items = selectedItems();
 673     if (items.isEmpty()) {
 674         return;
 675     }
 676
 677     if (items.count() == 1 && GeneralSettings::renameInline()) {
 678         const int index = m_model->index(items.first());
 679
 680         QMetaObject::Connection * const connection = new QMetaObject::Connection;
 681         *connection = connect(m_view, &KItemListView::scrollingStopped, this, [=](){
 682             QObject::disconnect(*connection);
 683             delete connection;
 684
 685             m_view->editRole(index, "text");
 686
 687             hideToolTip();
 688
 689             connect(m_view, &DolphinItemListView::roleEditingFinished,
 690                     this, &DolphinView::slotRoleEditingFinished);
 691         });
 692         m_view->scrollToItem(index);
 693
 694     } else {
 695         KIO::RenameFileDialog* dialog = new KIO::RenameFileDialog(items, this);
 696         connect(dialog, &KIO::RenameFileDialog::renamingFinished,
 697                 this, &DolphinView::slotRenameDialogRenamingFinished);
 698
 699         dialog->open();
 700     }
 701
 702     // Assure that the current index remains visible when KFileItemModel
 703     // will notify the view about changed items (which might result in
 704     // a changed sorting).
 705     m_assureVisibleCurrentIndex = true;
 706 }
 707
 708 void DolphinView::trashSelectedItems()
 709 {
 710     const QList<QUrl> list = simplifiedSelectedUrls();
 711     KIO::JobUiDelegate uiDelegate;
 712     uiDelegate.setWindow(window());
 713     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 714         KIO::Job* job = KIO::trash(list);
 715         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, QUrl(QStringLiteral("trash:/")), job);
 716         KJobWidgets::setWindow(job, this);
 717         connect(job, &KIO::Job::result,
 718                 this, &DolphinView::slotTrashFileFinished);
 719     }
 720 }
 721
 722 void DolphinView::deleteSelectedItems()
 723 {
 724     const QList<QUrl> list = simplifiedSelectedUrls();
 725
 726     KIO::JobUiDelegate uiDelegate;
 727     uiDelegate.setWindow(window());
 728     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 729         KIO::Job* job = KIO::del(list);
 730         KJobWidgets::setWindow(job, this);
 731         connect(job, &KIO::Job::result,
 732                 this, &DolphinView::slotDeleteFileFinished);
 733     }
 734 }
 735
 736 void DolphinView::cutSelectedItemsToClipboard()
 737 {
 738     QMimeData* mimeData = selectionMimeData();
 739     KIO::setClipboardDataCut(mimeData, true);
 740     QApplication::clipboard()->setMimeData(mimeData);
 741 }
 742
 743 void DolphinView::copySelectedItemsToClipboard()
 744 {
 745     QMimeData* mimeData = selectionMimeData();
 746     QApplication::clipboard()->setMimeData(mimeData);
 747 }
 748
 749 void DolphinView::copySelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 750 {
 751     KIO::CopyJob* job = KIO::copy(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 752     KJobWidgets::setWindow(job, this);
 753
 754     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 755     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotCopyingDone);
 756     KIO::FileUndoManager::self()->recordCopyJob(job);
 757 }
 758
 759 void DolphinView::moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 760 {
 761     KIO::CopyJob* job = KIO::move(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 762     KJobWidgets::setWindow(job, this);
 763
 764     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 765     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotCopyingDone);
 766     KIO::FileUndoManager::self()->recordCopyJob(job);
 767
 768 }
 769
 770 void DolphinView::paste()
 771 {
 772     pasteToUrl(url());
 773 }
 774
 775 void DolphinView::pasteIntoFolder()
 776 {
 777     const KFileItemList items = selectedItems();
 778     if ((items.count() == 1) && items.first().isDir()) {
 779         pasteToUrl(items.first().url());
 780     }
 781 }
 782
 783 void DolphinView::duplicateSelectedItems()
 784 {
 785     const KFileItemList itemList = selectedItems();
 786     if (itemList.isEmpty()) {
 787         return;
 788     }
 789
 790     const QMimeDatabase db;
 791
 792     // Duplicate all selected items and append "copy" to the end of the file name
 793     // but before the filename extension, if present
 794     QList<QUrl> newSelection;
 795     for (const auto &item : itemList) {
 796         const QUrl originalURL  = item.url();
 797         const QString originalDirectoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 798         const QString originalFileName = item.name();
 799
 800         QString extension = db.suffixForFileName(originalFileName);
 801
 802         QUrl duplicateURL = originalURL;
 803
 804         // No extension; new filename is "<oldfilename> copy"
 805         if (extension.isEmpty()) {
 806             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFileName));
 807         // There's an extension; new filename is "<oldfilename> copy.<extension>"
 808         } else {
 809             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 810             extension = QLatin1String(".") + extension;
 811             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 812             // Preserve file's original filename extension in case the casing differs
 813             // from what QMimeDatabase::suffixForFileName() returned
 814             const QString originalExtension = originalFileName.right(extension.size());
 815             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFilenameWithoutExtension) + originalExtension);
 816         }
 817
 818         KIO::CopyJob* job = KIO::copyAs(originalURL, duplicateURL);
 819         KJobWidgets::setWindow(job, this);
 820
 821         if (job) {
 822             newSelection << duplicateURL;
 823             KIO::FileUndoManager::self()->recordCopyJob(job);
 824         }
 825     }
 826
 827     forceUrlsSelection(newSelection.first(), newSelection);
 828 }
 829
 830 void DolphinView::stopLoading()
 831 {
 832     m_model->cancelDirectoryLoading();
 833 }
 834
 835 void DolphinView::updatePalette()
 836 {
 837     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 838     if (!m_active) {
 839         color.setAlpha(150);
 840     }
 841
 842     QWidget* viewport = m_container->viewport();
 843     if (viewport) {
 844         QPalette palette;
 845         palette.setColor(viewport->backgroundRole(), color);
 846         viewport->setPalette(palette);
 847     }
 848
 849     update();
 850 }
 851
 852 void DolphinView::abortTwoClicksRenaming()
 853 {
 854     m_twoClicksRenamingItemUrl.clear();
 855     m_twoClicksRenamingTimer->stop();
 856 }
 857
 858 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 859 {
 860     switch (event->type()) {
 861     case QEvent::PaletteChange:
 862         updatePalette();
 863         QPixmapCache::clear();
 864         break;
 865
 866     case QEvent::WindowActivate:
 867     case QEvent::WindowDeactivate:
 868         updatePalette();
 869         break;
 870
 871     case QEvent::KeyPress:
 872         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 873         if (GeneralSettings::useTabForSwitchingSplitView()) {
 874             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 875             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 876                 Q_EMIT toggleActiveViewRequested();
 877                 return true;
 878             }
 879         }
 880         break;
 881     case QEvent::FocusIn:
 882         if (watched == m_container) {
 883             setActive(true);
 884         }
 885         break;
 886
 887     case QEvent::GraphicsSceneDragEnter:
 888         if (watched == m_view) {
 889             m_dragging = true;
 890             abortTwoClicksRenaming();
 891         }
 892         break;
 893
 894     case QEvent::GraphicsSceneDragLeave:
 895         if (watched == m_view) {
 896             m_dragging = false;
 897         }
 898         break;
 899
 900     case QEvent::GraphicsSceneDrop:
 901         if (watched == m_view) {
 902             m_dragging = false;
 903         }
 904     default:
 905         break;
 906     }
 907
 908     return QWidget::eventFilter(watched, event);
 909 }
 910
 911 void DolphinView::wheelEvent(QWheelEvent* event)
 912 {
 913     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 914         const QPoint numDegrees = event->angleDelta() / 8;
 915         const QPoint numSteps = numDegrees / 15;
 916
 917         setZoomLevel(zoomLevel() + numSteps.y());
 918         event->accept();
 919     } else {
 920         event->ignore();
 921     }
 922 }
 923
 924 void DolphinView::hideEvent(QHideEvent* event)
 925 {
 926     hideToolTip();
 927     QWidget::hideEvent(event);
 928 }
 929
 930 bool DolphinView::event(QEvent* event)
 931 {
 932     if (event->type() == QEvent::WindowDeactivate) {
 933         /* See Bug 297355
 934          * Dolphin leaves file preview tooltips open even when is not visible.
 935          *
 936          * Hide tool-tip when Dolphin loses focus.
 937          */
 938         hideToolTip();
 939         abortTwoClicksRenaming();
 940     }
 941
 942     return QWidget::event(event);
 943 }
 944
 945 void DolphinView::activate()
 946 {
 947     setActive(true);
 948 }
 949
 950 void DolphinView::slotItemActivated(int index)
 951 {
 952     abortTwoClicksRenaming();
 953
 954     const KFileItem item = m_model->fileItem(index);
 955     if (!item.isNull()) {
 956         Q_EMIT itemActivated(item);
 957     }
 958 }
 959
 960 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 961 {
 962     Q_ASSERT(indexes.count() >= 2);
 963
 964     abortTwoClicksRenaming();
 965
 966     if (indexes.count() > 5) {
 967         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 968         const int answer = KMessageBox::warningYesNo(this, question);
 969         if (answer != KMessageBox::Yes) {
 970             return;
 971         }
 972     }
 973
 974     KFileItemList items;
 975     items.reserve(indexes.count());
 976
 977     for (int index : indexes) {
 978         KFileItem item = m_model->fileItem(index);
 979         const QUrl& url = openItemAsFolderUrl(item);
 980
 981         if (!url.isEmpty()) { // Open folders in new tabs
 982             Q_EMIT tabRequested(url);
 983         } else {
 984             items.append(item);
 985         }
 986     }
 987
 988     if (items.count() == 1) {
 989         Q_EMIT itemActivated(items.first());
 990     } else if (items.count() > 1) {
 991         Q_EMIT itemsActivated(items);
 992     }
 993 }
 994
 995 void DolphinView::slotItemMiddleClicked(int index)
 996 {
 997     const KFileItem& item = m_model->fileItem(index);
 998     const QUrl& url = openItemAsFolderUrl(item);
 999     if (!url.isEmpty()) {
1000         Q_EMIT tabRequested(url);
1001     } else if (isTabsForFilesEnabled()) {
1002         Q_EMIT tabRequested(item.url());
1003     }
1004 }
1005
1006 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
1007 {
1008     // Force emit of a selection changed signal before we request the
1009     // context menu, to update the edit-actions first. (See Bug 294013)
1010     if (m_selectionChangedTimer->isActive()) {
1011         emitSelectionChangedSignal();
1012     }
1013
1014     const KFileItem item = m_model->fileItem(index);
1015     Q_EMIT requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
1016 }
1017
1018 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
1019 {
1020     Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
1021 }
1022
1023 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
1024 {
1025     ViewProperties props(viewPropertiesUrl());
1026
1027     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
1028
1029     KItemListView* view = m_container->controller()->view();
1030     const QList<QByteArray> visibleRolesSet = view->visibleRoles();
1031
1032     bool indexingEnabled = false;
1033 #ifdef HAVE_BALOO
1034     Baloo::IndexerConfig config;
1035     indexingEnabled = config.fileIndexingEnabled();
1036 #endif
1037
1038     QString groupName;
1039     QMenu* groupMenu = nullptr;
1040
1041     // Add all roles to the menu that can be shown or hidden by the user
1042     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
1043     for (const KFileItemModel::RoleInfo& info : rolesInfo) {
1044         if (info.role == "text") {
1045             // It should not be possible to hide the "text" role
1046             continue;
1047         }
1048
1049         const QString text = m_model->roleDescription(info.role);
1050         QAction* action = nullptr;
1051         if (info.group.isEmpty()) {
1052             action = menu->addAction(text);
1053         } else {
1054             if (!groupMenu || info.group != groupName) {
1055                 groupName = info.group;
1056                 groupMenu = menu->addMenu(groupName);
1057             }
1058
1059             action = groupMenu->addAction(text);
1060         }
1061
1062         action->setCheckable(true);
1063         action->setChecked(visibleRolesSet.contains(info.role));
1064         action->setData(info.role);
1065
1066         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
1067                             (info.requiresBaloo) ||
1068                             (info.requiresIndexer && indexingEnabled);
1069         action->setEnabled(enable);
1070     }
1071
1072     menu->addSeparator();
1073
1074     QActionGroup* widthsGroup = new QActionGroup(menu);
1075     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1076
1077     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1078     autoAdjustWidthsAction->setCheckable(true);
1079     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1080     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1081
1082     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1083     customWidthsAction->setCheckable(true);
1084     customWidthsAction->setChecked(!autoColumnWidths);
1085     customWidthsAction->setActionGroup(widthsGroup);
1086
1087     QAction* action = menu->exec(pos.toPoint());
1088     if (menu && action) {
1089         KItemListHeader* header = view->header();
1090
1091         if (action == autoAdjustWidthsAction) {
1092             // Clear the column-widths from the viewproperties and turn on
1093             // the automatic resizing of the columns
1094             props.setHeaderColumnWidths(QList<int>());
1095             header->setAutomaticColumnResizing(true);
1096         } else if (action == customWidthsAction) {
1097             // Apply the current column-widths as custom column-widths and turn
1098             // off the automatic resizing of the columns
1099             QList<int> columnWidths;
1100             const auto visibleRoles = view->visibleRoles();
1101             columnWidths.reserve(visibleRoles.count());
1102             for (const QByteArray& role : visibleRoles) {
1103                 columnWidths.append(header->columnWidth(role));
1104             }
1105             props.setHeaderColumnWidths(columnWidths);
1106             header->setAutomaticColumnResizing(false);
1107         } else {
1108             // Show or hide the selected role
1109             const QByteArray selectedRole = action->data().toByteArray();
1110
1111             QList<QByteArray> visibleRoles = view->visibleRoles();
1112             if (action->isChecked()) {
1113                 visibleRoles.append(selectedRole);
1114             } else {
1115                 visibleRoles.removeOne(selectedRole);
1116             }
1117
1118             view->setVisibleRoles(visibleRoles);
1119             props.setVisibleRoles(visibleRoles);
1120
1121             QList<int> columnWidths;
1122             if (!header->automaticColumnResizing()) {
1123                 const auto visibleRoles = view->visibleRoles();
1124                 columnWidths.reserve(visibleRoles.count());
1125                 for (const QByteArray& role : visibleRoles) {
1126                     columnWidths.append(header->columnWidth(role));
1127                 }
1128             }
1129             props.setHeaderColumnWidths(columnWidths);
1130         }
1131     }
1132
1133     delete menu;
1134 }
1135
1136 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current)
1137 {
1138     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1139
1140     ViewProperties props(viewPropertiesUrl());
1141     QList<int> columnWidths = props.headerColumnWidths();
1142     if (columnWidths.count() != visibleRoles.count()) {
1143         columnWidths.clear();
1144         columnWidths.reserve(visibleRoles.count());
1145         const KItemListHeader* header = m_view->header();
1146         for (const QByteArray& role : visibleRoles) {
1147             const int width = header->columnWidth(role);
1148             columnWidths.append(width);
1149         }
1150     }
1151
1152     const int roleIndex = visibleRoles.indexOf(role);
1153     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1154     columnWidths[roleIndex] = current;
1155
1156     props.setHeaderColumnWidths(columnWidths);
1157 }
1158
1159 void DolphinView::slotItemHovered(int index)
1160 {
1161     const KFileItem item = m_model->fileItem(index);
1162
1163     if (GeneralSettings::showToolTips() && !m_dragging) {
1164         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1165         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1166         itemRect.moveTo(pos);
1167
1168 #ifdef HAVE_BALOO
1169         m_toolTipManager->showToolTip(item, itemRect, nativeParentWidget()->windowHandle());
1170 #endif
1171     }
1172
1173     Q_EMIT requestItemInfo(item);
1174 }
1175
1176 void DolphinView::slotItemUnhovered(int index)
1177 {
1178     Q_UNUSED(index)
1179     hideToolTip();
1180     Q_EMIT requestItemInfo(KFileItem());
1181 }
1182
1183 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1184 {
1185     QUrl destUrl;
1186     KFileItem destItem = m_model->fileItem(index);
1187     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1188         // Use the URL of the view as drop target if the item is no directory
1189         // or desktop-file
1190         destItem = m_model->rootItem();
1191         destUrl = url();
1192     } else {
1193         // The item represents a directory or desktop-file
1194         destUrl = destItem.mostLocalUrl();
1195     }
1196
1197     QDropEvent dropEvent(event->pos().toPoint(),
1198                          event->possibleActions(),
1199                          event->mimeData(),
1200                          event->buttons(),
1201                          event->modifiers());
1202     dropUrls(destUrl, &dropEvent, this);
1203
1204     setActive(true);
1205 }
1206
1207 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1208 {
1209     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1210
1211     if (job) {
1212         connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
1213
1214         if (destUrl == url()) {
1215             // Mark the dropped urls as selected.
1216             m_clearSelectionBeforeSelectingNewItems = true;
1217             m_markFirstNewlySelectedItemAsCurrent = true;
1218             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1219         }
1220     }
1221 }
1222
1223 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1224 {
1225     if (previous != nullptr) {
1226         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1227         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1228         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1229         m_versionControlObserver->setModel(nullptr);
1230     }
1231
1232     if (current) {
1233         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1234         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1235         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1236         m_versionControlObserver->setModel(fileItemModel);
1237     }
1238 }
1239
1240 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1241 {
1242     Q_UNUSED(itemIndex)
1243
1244     hideToolTip();
1245
1246     if (buttons & Qt::BackButton) {
1247         Q_EMIT goBackRequested();
1248     } else if (buttons & Qt::ForwardButton) {
1249         Q_EMIT goForwardRequested();
1250     }
1251 }
1252
1253 void DolphinView::slotSelectedItemTextPressed(int index)
1254 {
1255     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1256         const KFileItem item = m_model->fileItem(index);
1257         const KFileItemListProperties capabilities(KFileItemList() << item);
1258         if (capabilities.supportsMoving()) {
1259             m_twoClicksRenamingItemUrl = item.url();
1260             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1261         }
1262     }
1263 }
1264
1265 void DolphinView::slotCopyingDone(KIO::Job *, const QUrl &, const QUrl &to)
1266 {
1267     slotItemCreated(to);
1268 }
1269
1270 void DolphinView::slotItemCreated(const QUrl& url)
1271 {
1272     if (m_markFirstNewlySelectedItemAsCurrent) {
1273         markUrlAsCurrent(url);
1274         m_markFirstNewlySelectedItemAsCurrent = false;
1275     }
1276     m_selectedUrls << url;
1277 }
1278
1279 void DolphinView::slotJobResult(KJob *job)
1280 {
1281     if (job->error()) {
1282         Q_EMIT errorMessage(job->errorString());
1283     }
1284     if (!m_selectedUrls.isEmpty()) {
1285         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1286     }
1287 }
1288
1289 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1290 {
1291     const int currentCount = current.count();
1292     const int previousCount = previous.count();
1293     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1294                                        (currentCount >  0 && previousCount == 0);
1295
1296     // If nothing has been selected before and something got selected (or if something
1297     // was selected before and now nothing is selected) the selectionChangedSignal must
1298     // be emitted asynchronously as fast as possible to update the edit-actions.
1299     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1300     m_selectionChangedTimer->start();
1301 }
1302
1303 void DolphinView::emitSelectionChangedSignal()
1304 {
1305     m_selectionChangedTimer->stop();
1306     Q_EMIT selectionChanged(selectedItems());
1307 }
1308
1309 void DolphinView::slotStatJobResult(KJob *job)
1310 {
1311     int folderCount = 0;
1312     int fileCount = 0;
1313     KIO::filesize_t totalFileSize = 0;
1314     bool countFileSize = true;
1315
1316     const auto entry =  static_cast<KIO::StatJob *>(job)->statResult();
1317     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1318         // We have a precomputed value.
1319         totalFileSize = static_cast<KIO::filesize_t>(
1320                                 entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1321         countFileSize = false;
1322     }
1323
1324     const int itemCount = m_model->count();
1325     for (int i = 0; i < itemCount; ++i) {
1326         const KFileItem item = m_model->fileItem(i);
1327         if (item.isDir()) {
1328             ++folderCount;
1329         } else {
1330             ++fileCount;
1331             if (countFileSize) {
1332                 totalFileSize += item.size();
1333             }
1334         }
1335     }
1336     emitStatusBarText(folderCount, fileCount, totalFileSize, NoSelection);
1337 }
1338
1339 void DolphinView::updateSortRole(const QByteArray& role)
1340 {
1341     ViewProperties props(viewPropertiesUrl());
1342     props.setSortRole(role);
1343
1344     KItemModelBase* model = m_container->controller()->model();
1345     model->setSortRole(role);
1346
1347     Q_EMIT sortRoleChanged(role);
1348 }
1349
1350 void DolphinView::updateSortOrder(Qt::SortOrder order)
1351 {
1352     ViewProperties props(viewPropertiesUrl());
1353     props.setSortOrder(order);
1354
1355     m_model->setSortOrder(order);
1356
1357     Q_EMIT sortOrderChanged(order);
1358 }
1359
1360 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1361 {
1362     ViewProperties props(viewPropertiesUrl());
1363     props.setSortFoldersFirst(foldersFirst);
1364
1365     m_model->setSortDirectoriesFirst(foldersFirst);
1366
1367     Q_EMIT sortFoldersFirstChanged(foldersFirst);
1368 }
1369
1370 QPair<bool, QString> DolphinView::pasteInfo() const
1371 {
1372     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1373     QPair<bool, QString> info;
1374     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1375     return info;
1376 }
1377
1378 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1379 {
1380     m_tabsForFiles = tabsForFiles;
1381 }
1382
1383 bool DolphinView::isTabsForFilesEnabled() const
1384 {
1385     return m_tabsForFiles;
1386 }
1387
1388 bool DolphinView::itemsExpandable() const
1389 {
1390     return m_mode == DetailsView;
1391 }
1392
1393 void DolphinView::restoreState(QDataStream& stream)
1394 {
1395     // Read the version number of the view state and check if the version is supported.
1396     quint32 version = 0;
1397     stream >> version;
1398     if (version != 1) {
1399         // The version of the view state isn't supported, we can't restore it.
1400         return;
1401     }
1402
1403     // Restore the current item that had the keyboard focus
1404     stream >> m_currentItemUrl;
1405
1406     // Restore the previously selected items
1407     stream >> m_selectedUrls;
1408
1409     // Restore the view position
1410     stream >> m_restoredContentsPosition;
1411
1412     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1413     QSet<QUrl> urls;
1414     stream >> urls;
1415     m_model->restoreExpandedDirectories(urls);
1416 }
1417
1418 void DolphinView::saveState(QDataStream& stream)
1419 {
1420     stream << quint32(1); // View state version
1421
1422     // Save the current item that has the keyboard focus
1423     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1424     if (currentIndex != -1) {
1425         KFileItem item = m_model->fileItem(currentIndex);
1426         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1427         QUrl currentItemUrl = item.url();
1428         stream << currentItemUrl;
1429     } else {
1430         stream << QUrl();
1431     }
1432
1433     // Save the selected urls
1434     stream << selectedItems().urlList();
1435
1436     // Save view position
1437     const qreal x = m_container->horizontalScrollBar()->value();
1438     const qreal y = m_container->verticalScrollBar()->value();
1439     stream << QPoint(x, y);
1440
1441     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1442     stream << m_model->expandedDirectories();
1443 }
1444
1445 KFileItem DolphinView::rootItem() const
1446 {
1447     return m_model->rootItem();
1448 }
1449
1450 void DolphinView::setViewPropertiesContext(const QString& context)
1451 {
1452     m_viewPropertiesContext = context;
1453 }
1454
1455 QString DolphinView::viewPropertiesContext() const
1456 {
1457     return m_viewPropertiesContext;
1458 }
1459
1460 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1461 {
1462     if (item.isNull()) {
1463         return QUrl();
1464     }
1465
1466     QUrl url = item.targetUrl();
1467
1468     if (item.isDir()) {
1469         return url;
1470     }
1471
1472     if (item.isMimeTypeKnown()) {
1473         const QString& mimetype = item.mimetype();
1474
1475         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1476             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1477             // zip:/<path>/ when clicking on a zip file, etc.
1478             // The .protocol file specifies the mimetype that the kioslave handles.
1479             // Note that we don't use mimetype inheritance since we don't want to
1480             // open OpenDocument files as zip folders...
1481             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1482             if (!protocol.isEmpty()) {
1483                 url.setScheme(protocol);
1484                 return url;
1485             }
1486         }
1487
1488         if (mimetype == QLatin1String("application/x-desktop")) {
1489             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1490             KDesktopFile desktopFile(url.toLocalFile());
1491             if (desktopFile.hasLinkType()) {
1492                 const QString linkUrl = desktopFile.readUrl();
1493                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1494                     return QUrl::fromUserInput(linkUrl);
1495                 }
1496             }
1497         }
1498     }
1499
1500     return QUrl();
1501 }
1502
1503 void DolphinView::resetZoomLevel()
1504 {
1505     ViewModeSettings::ViewMode mode;
1506
1507     switch (m_mode) {
1508     case IconsView:     mode = ViewModeSettings::IconsMode;   break;
1509     case CompactView:   mode = ViewModeSettings::CompactMode; break;
1510     case DetailsView:   mode = ViewModeSettings::DetailsMode; break;
1511     }
1512     const ViewModeSettings settings(mode);
1513     const QSize iconSize = QSize(settings.iconSize(), settings.iconSize());
1514     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(iconSize));
1515 }
1516
1517 void DolphinView::observeCreatedItem(const QUrl& url)
1518 {
1519     if (m_active) {
1520         forceUrlsSelection(url, {url});
1521     }
1522 }
1523
1524 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1525 {
1526     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1527         Q_EMIT redirection(oldUrl, newUrl);
1528         m_url = newUrl; // #186947
1529     }
1530 }
1531
1532 void DolphinView::updateViewState()
1533 {
1534     if (m_currentItemUrl != QUrl()) {
1535         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1536
1537         // if there is a selection already, leave it that way
1538         if (!selectionManager->hasSelection()) {
1539             const int currentIndex = m_model->index(m_currentItemUrl);
1540             if (currentIndex != -1) {
1541                 selectionManager->setCurrentItem(currentIndex);
1542
1543                 // scroll to current item and reset the state
1544                 if (m_scrollToCurrentItem) {
1545                     m_view->scrollToItem(currentIndex);
1546                     m_scrollToCurrentItem = false;
1547                 }
1548             } else {
1549                 selectionManager->setCurrentItem(0);
1550             }
1551         }
1552
1553         m_currentItemUrl = QUrl();
1554     }
1555
1556     if (!m_restoredContentsPosition.isNull()) {
1557         const int x = m_restoredContentsPosition.x();
1558         const int y = m_restoredContentsPosition.y();
1559         m_restoredContentsPosition = QPoint();
1560
1561         m_container->horizontalScrollBar()->setValue(x);
1562         m_container->verticalScrollBar()->setValue(y);
1563     }
1564
1565     if (!m_selectedUrls.isEmpty()) {
1566         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1567
1568         // if there is a selection already, leave it that way
1569         if (!selectionManager->hasSelection()) {
1570             if (m_clearSelectionBeforeSelectingNewItems) {
1571                 selectionManager->clearSelection();
1572                 m_clearSelectionBeforeSelectingNewItems = false;
1573             }
1574
1575             KItemSet selectedItems = selectionManager->selectedItems();
1576
1577             QList<QUrl>::iterator it = m_selectedUrls.begin();
1578             while (it != m_selectedUrls.end()) {
1579                 const int index = m_model->index(*it);
1580                 if (index >= 0) {
1581                     selectedItems.insert(index);
1582                     it = m_selectedUrls.erase(it);
1583                 } else {
1584                     ++it;
1585                 }
1586             }
1587
1588             selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1589             selectionManager->setSelectedItems(selectedItems);
1590         }
1591     }
1592 }
1593
1594 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1595 {
1596 #ifdef HAVE_BALOO
1597     if (GeneralSettings::showToolTips()) {
1598         m_toolTipManager->hideToolTip(behavior);
1599     }
1600 #else
1601         Q_UNUSED(behavior)
1602 #endif
1603 }
1604
1605 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1606 {
1607     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1608
1609     // verify that only one item is selected
1610     if (selectionManager->selectedItems().count() == 1) {
1611         const int index = selectionManager->currentItem();
1612         const QUrl fileItemUrl = m_model->fileItem(index).url();
1613
1614         // check if the selected item was the same item that started the twoClicksRenaming
1615         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1616             renameSelectedItems();
1617         }
1618     }
1619 }
1620
1621 void DolphinView::slotTrashFileFinished(KJob* job)
1622 {
1623     if (job->error() == 0) {
1624         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1625     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1626         Q_EMIT errorMessage(job->errorString());
1627     }
1628 }
1629
1630 void DolphinView::slotDeleteFileFinished(KJob* job)
1631 {
1632     if (job->error() == 0) {
1633         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1634     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1635         Q_EMIT errorMessage(job->errorString());
1636     }
1637 }
1638
1639 void DolphinView::slotRenamingResult(KJob* job)
1640 {
1641     if (job->error()) {
1642         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1643         Q_ASSERT(copyJob);
1644         const QUrl newUrl = copyJob->destUrl();
1645         const int index = m_model->index(newUrl);
1646         if (index >= 0) {
1647             QHash<QByteArray, QVariant> data;
1648             const QUrl oldUrl = copyJob->srcUrls().at(0);
1649             data.insert("text", oldUrl.fileName());
1650             m_model->setData(index, data);
1651         }
1652     }
1653 }
1654
1655 void DolphinView::slotDirectoryLoadingStarted()
1656 {
1657     m_loading = true;
1658     updatePlaceholderLabel();
1659
1660     // Disable the writestate temporary until it can be determined in a fast way
1661     // in DolphinView::slotDirectoryLoadingCompleted()
1662     if (m_isFolderWritable) {
1663         m_isFolderWritable = false;
1664         Q_EMIT writeStateChanged(m_isFolderWritable);
1665     }
1666
1667     Q_EMIT directoryLoadingStarted();
1668 }
1669
1670 void DolphinView::slotDirectoryLoadingCompleted()
1671 {
1672     m_loading = false;
1673
1674     // Update the view-state. This has to be done asynchronously
1675     // because the view might not be in its final state yet.
1676     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1677
1678     // Update the placeholder label in case we found that the folder was empty
1679     // after loading it
1680
1681     Q_EMIT directoryLoadingCompleted();
1682
1683     updatePlaceholderLabel();
1684     updateWritableState();
1685 }
1686
1687 void DolphinView::slotDirectoryLoadingCanceled()
1688 {
1689     m_loading = false;
1690
1691     updatePlaceholderLabel();
1692
1693     Q_EMIT directoryLoadingCanceled();
1694 }
1695
1696 void DolphinView::slotItemsChanged()
1697 {
1698     m_assureVisibleCurrentIndex = false;
1699 }
1700
1701 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1702 {
1703     Q_UNUSED(previous)
1704     Q_ASSERT(m_model->sortOrder() == current);
1705
1706     ViewProperties props(viewPropertiesUrl());
1707     props.setSortOrder(current);
1708
1709     Q_EMIT sortOrderChanged(current);
1710 }
1711
1712 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1713 {
1714     Q_UNUSED(previous)
1715     Q_ASSERT(m_model->sortRole() == current);
1716
1717     ViewProperties props(viewPropertiesUrl());
1718     props.setSortRole(current);
1719
1720     Q_EMIT sortRoleChanged(current);
1721 }
1722
1723 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1724                                                   const QList<QByteArray>& previous)
1725 {
1726     Q_UNUSED(previous)
1727     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1728
1729     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1730
1731     m_visibleRoles = current;
1732
1733     ViewProperties props(viewPropertiesUrl());
1734     props.setVisibleRoles(m_visibleRoles);
1735
1736     Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1737 }
1738
1739 void DolphinView::slotRoleEditingCanceled()
1740 {
1741     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1742                this, &DolphinView::slotRoleEditingFinished);
1743 }
1744
1745 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1746 {
1747     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1748                this, &DolphinView::slotRoleEditingFinished);
1749
1750     const KFileItemList items = selectedItems();
1751     if (items.count() != 1) {
1752         return;
1753     }
1754
1755     if (role == "text") {
1756         const KFileItem oldItem = items.first();
1757         const EditResult retVal = value.value<EditResult>();
1758         const QString newName = retVal.newName;
1759         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1760             const QUrl oldUrl = oldItem.url();
1761
1762             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1763             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1764
1765 #ifndef Q_OS_WIN
1766             //Confirm hiding file/directory by renaming inline
1767             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1768                 KGuiItem yesGuiItem(KStandardGuiItem::yes());
1769                 yesGuiItem.setText(i18nc("@action:button", "Rename and Hide"));
1770
1771                 const auto code = KMessageBox::questionYesNo(this,
1772                                                              oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1773                                                                                      "Do you still want to rename it?")
1774                                                                               : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1775                                                                                      "Do you still want to rename it?"),
1776                                                              oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
1777                                                              yesGuiItem,
1778                                                              KStandardGuiItem::cancel(),
1779                                                              QStringLiteral("ConfirmHide")
1780                                                             );
1781
1782                 if (code == KMessageBox::No) {
1783                    return;
1784                 }
1785             }
1786 #endif
1787
1788             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1789             if (!newNameExistsAlready && m_model->index(oldUrl) == index) {
1790                 // Only change the data in the model if no item with the new name
1791                 // is in the model yet. If there is an item with the new name
1792                 // already, calling KIO::CopyJob will open a dialog
1793                 // asking for a new name, and KFileItemModel will update the
1794                 // data when the dir lister signals that the file name has changed.
1795                 QHash<QByteArray, QVariant> data;
1796                 data.insert(role, retVal.newName);
1797                 m_model->setData(index, data);
1798             }
1799
1800             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1801             KJobWidgets::setWindow(job, this);
1802             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1803             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
1804
1805             forceUrlsSelection(newUrl, {newUrl});
1806
1807             if (!newNameExistsAlready) {
1808                 // Only connect the result signal if there is no item with the new name
1809                 // in the model yet, see bug 328262.
1810                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1811             }
1812         }
1813         if (retVal.direction != EditDone) {
1814             const short indexShift = retVal.direction == EditNext ? 1 : -1;
1815             m_container->controller()->selectionManager()->setSelected(index, 1, KItemListSelectionManager::Deselect);
1816             m_container->controller()->selectionManager()->setSelected(index + indexShift, 1,
1817                     KItemListSelectionManager::Select);
1818             renameSelectedItems();
1819         }
1820     }
1821 }
1822
1823 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1824 {
1825     if (!url.isValid()) {
1826         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1827         if (location.isEmpty()) {
1828             Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."));
1829         } else {
1830             Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1831         }
1832         return;
1833     }
1834
1835     if (reload) {
1836         m_model->refreshDirectory(url);
1837     } else {
1838         m_model->loadDirectory(url);
1839     }
1840 }
1841
1842 void DolphinView::applyViewProperties()
1843 {
1844     const ViewProperties props(viewPropertiesUrl());
1845     applyViewProperties(props);
1846 }
1847
1848 void DolphinView::applyViewProperties(const ViewProperties& props)
1849 {
1850     m_view->beginTransaction();
1851
1852     const Mode mode = props.viewMode();
1853     if (m_mode != mode) {
1854         const Mode previousMode = m_mode;
1855         m_mode = mode;
1856
1857         // Changing the mode might result in changing
1858         // the zoom level. Remember the old zoom level so
1859         // that zoomLevelChanged() can get emitted.
1860         const int oldZoomLevel = m_view->zoomLevel();
1861         applyModeToView();
1862
1863         Q_EMIT modeChanged(m_mode, previousMode);
1864
1865         if (m_view->zoomLevel() != oldZoomLevel) {
1866             Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1867         }
1868     }
1869
1870     const bool hiddenFilesShown = props.hiddenFilesShown();
1871     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1872         m_model->setShowHiddenFiles(hiddenFilesShown);
1873         Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
1874     }
1875
1876     const bool groupedSorting = props.groupedSorting();
1877     if (groupedSorting != m_model->groupedSorting()) {
1878         m_model->setGroupedSorting(groupedSorting);
1879         Q_EMIT groupedSortingChanged(groupedSorting);
1880     }
1881
1882     const QByteArray sortRole = props.sortRole();
1883     if (sortRole != m_model->sortRole()) {
1884         m_model->setSortRole(sortRole);
1885         Q_EMIT sortRoleChanged(sortRole);
1886     }
1887
1888     const Qt::SortOrder sortOrder = props.sortOrder();
1889     if (sortOrder != m_model->sortOrder()) {
1890         m_model->setSortOrder(sortOrder);
1891         Q_EMIT sortOrderChanged(sortOrder);
1892     }
1893
1894     const bool sortFoldersFirst = props.sortFoldersFirst();
1895     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1896         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1897         Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
1898     }
1899
1900     const QList<QByteArray> visibleRoles = props.visibleRoles();
1901     if (visibleRoles != m_visibleRoles) {
1902         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1903         m_visibleRoles = visibleRoles;
1904         m_view->setVisibleRoles(visibleRoles);
1905         Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1906     }
1907
1908     const bool previewsShown = props.previewsShown();
1909     if (previewsShown != m_view->previewsShown()) {
1910         const int oldZoomLevel = zoomLevel();
1911
1912         m_view->setPreviewsShown(previewsShown);
1913         Q_EMIT previewsShownChanged(previewsShown);
1914
1915         // Changing the preview-state might result in a changed zoom-level
1916         if (oldZoomLevel != zoomLevel()) {
1917             Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
1918         }
1919     }
1920
1921     KItemListView* itemListView = m_container->controller()->view();
1922     if (itemListView->isHeaderVisible()) {
1923         KItemListHeader* header = itemListView->header();
1924         const QList<int> headerColumnWidths = props.headerColumnWidths();
1925         const int rolesCount = m_visibleRoles.count();
1926         if (headerColumnWidths.count() == rolesCount) {
1927             header->setAutomaticColumnResizing(false);
1928
1929             QHash<QByteArray, qreal> columnWidths;
1930             for (int i = 0; i < rolesCount; ++i) {
1931                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1932             }
1933             header->setColumnWidths(columnWidths);
1934         } else {
1935             header->setAutomaticColumnResizing(true);
1936         }
1937     }
1938
1939     m_view->endTransaction();
1940 }
1941
1942 void DolphinView::applyModeToView()
1943 {
1944     switch (m_mode) {
1945     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1946     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1947     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1948     default: Q_ASSERT(false); break;
1949     }
1950 }
1951
1952 void DolphinView::pasteToUrl(const QUrl& url)
1953 {
1954     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1955     KJobWidgets::setWindow(job, this);
1956     m_clearSelectionBeforeSelectingNewItems = true;
1957     m_markFirstNewlySelectedItemAsCurrent = true;
1958     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1959     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotJobResult);
1960 }
1961
1962 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1963 {
1964     QList<QUrl> urls;
1965
1966     const KFileItemList items = selectedItems();
1967     urls.reserve(items.count());
1968     for (const KFileItem& item : items) {
1969         urls.append(item.url());
1970     }
1971
1972     if (itemsExpandable()) {
1973         // TODO: Check if we still need KDirModel for this in KDE 5.0
1974         urls = KDirModel::simplifiedUrlList(urls);
1975     }
1976
1977     return urls;
1978 }
1979
1980 QMimeData* DolphinView::selectionMimeData() const
1981 {
1982     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1983     const KItemSet selectedIndexes = selectionManager->selectedItems();
1984
1985     return m_model->createMimeData(selectedIndexes);
1986 }
1987
1988 void DolphinView::updateWritableState()
1989 {
1990     const bool wasFolderWritable = m_isFolderWritable;
1991     m_isFolderWritable = false;
1992
1993     KFileItem item = m_model->rootItem();
1994     if (item.isNull()) {
1995         // Try to find out if the URL is writable even if the "root item" is
1996         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1997         item = KFileItem(url());
1998         item.setDelayedMimeTypes(true);
1999     }
2000
2001     KFileItemListProperties capabilities(KFileItemList() << item);
2002     m_isFolderWritable = capabilities.supportsWriting();
2003
2004     if (m_isFolderWritable != wasFolderWritable) {
2005         Q_EMIT writeStateChanged(m_isFolderWritable);
2006     }
2007 }
2008
2009 QUrl DolphinView::viewPropertiesUrl() const
2010 {
2011     if (m_viewPropertiesContext.isEmpty()) {
2012         return m_url;
2013     }
2014
2015     QUrl url;
2016     url.setScheme(m_url.scheme());
2017     url.setPath(m_viewPropertiesContext);
2018     return url;
2019 }
2020
2021 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl>& urls)
2022 {
2023     forceUrlsSelection(urls.first(), urls);
2024 }
2025
2026 void DolphinView::forceUrlsSelection(const QUrl& current, const QList<QUrl>& selected)
2027 {
2028     clearSelection();
2029     m_clearSelectionBeforeSelectingNewItems = true;
2030     markUrlAsCurrent(current);
2031     markUrlsAsSelected(selected);
2032 }
2033
2034 void DolphinView::copyPathToClipboard()
2035 {
2036     const KFileItemList list = selectedItems();
2037     if (list.isEmpty()) {
2038         return;
2039     }
2040     const KFileItem& item = list.at(0);
2041     QString path = item.localPath();
2042     if (path.isEmpty()) {
2043         path = item.url().toDisplayString();
2044     }
2045     QClipboard* clipboard = QApplication::clipboard();
2046     if (clipboard == nullptr) {
2047         return;
2048     }
2049     clipboard->setText(path);
2050 }
2051
2052 void DolphinView::slotIncreaseZoom()
2053 {
2054     setZoomLevel(zoomLevel() + 1);
2055 }
2056
2057 void DolphinView::slotDecreaseZoom()
2058 {
2059     setZoomLevel(zoomLevel() - 1);
2060 }
2061
2062 void DolphinView::slotSwipeUp()
2063 {
2064     Q_EMIT goUpRequested();
2065 }
2066
2067 void DolphinView::updatePlaceholderLabel()
2068 {
2069     if (m_loading || itemsCount() > 0) {
2070         m_placeholderLabel->setVisible(false);
2071         return;
2072     }
2073
2074     if (!nameFilter().isEmpty()) {
2075         m_placeholderLabel->setText(i18n("No items matching the filter"));
2076     } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
2077         m_placeholderLabel->setText(i18n("No items matching the search"));
2078     } else if (m_url.scheme() == QLatin1String("trash")) {
2079         m_placeholderLabel->setText(i18n("Trash is empty"));
2080     } else if (m_url.scheme() == QLatin1String("tags")) {
2081         m_placeholderLabel->setText(i18n("No tags"));
2082     } else if (m_url.scheme() == QLatin1String("recentlyused")) {
2083         m_placeholderLabel->setText(i18n("No recently used items"));
2084     } else if (m_url.scheme() == QLatin1String("smb")) {
2085         m_placeholderLabel->setText(i18n("No shared folders found"));
2086     } else if (m_url.scheme() == QLatin1String("network")) {
2087         m_placeholderLabel->setText(i18n("No relevant network resources found"));
2088     } else if (m_url.scheme() == QLatin1String("mtp")) {
2089         m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
2090     } else if (m_url.scheme() == QLatin1String("bluetooth")) {
2091         m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
2092     } else {
2093         m_placeholderLabel->setText(i18n("Folder is empty"));
2094     }
2095
2096     m_placeholderLabel->setVisible(true);
2097 }