src/views/dolphinview.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2006-2009 Peter Penz <peter.penz19@gmail.com>
   3  * SPDX-FileCopyrightText: 2006 Gregor Kališnik <gregor@podnapisi.net>
   4  *
   5  * SPDX-License-Identifier: GPL-2.0-or-later
   6  */
   7
   8 #include "dolphinview.h"
   9
  10 #include "dolphin_detailsmodesettings.h"
  11 #include "dolphin_generalsettings.h"
  12 #include "dolphinitemlistview.h"
  13 #include "dolphinnewfilemenuobserver.h"
  14 #include "draganddrophelper.h"
  15 #include "kitemviews/kfileitemlistview.h"
  16 #include "kitemviews/kfileitemmodel.h"
  17 #include "kitemviews/kitemlistcontainer.h"
  18 #include "kitemviews/kitemlistcontroller.h"
  19 #include "kitemviews/kitemlistheader.h"
  20 #include "kitemviews/kitemlistselectionmanager.h"
  21 #include "kitemviews/private/kitemlistroleeditor.h"
  22 #include "selectionmode/singleclickselectionproxystyle.h"
  23 #include "settings/viewmodes/viewmodesettings.h"
  24 #include "versioncontrol/versioncontrolobserver.h"
  25 #include "viewproperties.h"
  26 #include "views/tooltips/tooltipmanager.h"
  27 #include "zoomlevelinfo.h"
  28
  29 #if HAVE_BALOO
  30 #include <Baloo/IndexerConfig>
  31 #endif
  32 #include <KColorScheme>
  33 #include <KDesktopFile>
  34 #include <KDirModel>
  35 #include <KFileItemListProperties>
  36 #include <KFormat>
  37 #include <KIO/CopyJob>
  38 #include <KIO/DeleteJob>
  39 #include <KIO/DropJob>
  40 #include <KIO/JobUiDelegate>
  41 #include <KIO/Paste>
  42 #include <KIO/PasteJob>
  43 #include <KIO/RenameFileDialog>
  44 #include <KJobWidgets>
  45 #include <KLocalizedString>
  46 #include <KMessageBox>
  47 #include <KProtocolManager>
  48 #include <KUrlMimeData>
  49
  50 #include <kwidgetsaddons_version.h>
  51
  52 #include <kio_version.h>
  53 #if KIO_VERSION >= QT_VERSION_CHECK(5, 100, 0)
  54 #include <KIO/DeleteOrTrashJob>
  55 #endif
  56
  57 #include <QAbstractItemView>
  58 #include <QActionGroup>
  59 #include <QApplication>
  60 #include <QClipboard>
  61 #include <QDropEvent>
  62 #include <QGraphicsOpacityEffect>
  63 #include <QGraphicsSceneDragDropEvent>
  64 #include <QLabel>
  65 #include <QMenu>
  66 #include <QMimeDatabase>
  67 #include <QPixmapCache>
  68 #include <QScrollBar>
  69 #include <QSize>
  70 #include <QTimer>
  71 #include <QToolTip>
  72 #include <QVBoxLayout>
  73
  74 DolphinView::DolphinView(const QUrl &url, QWidget *parent)
  75     : QWidget(parent)
  76     , m_active(true)
  77     , m_tabsForFiles(false)
  78     , m_assureVisibleCurrentIndex(false)
  79     , m_isFolderWritable(true)
  80     , m_dragging(false)
  81     , m_selectNextItem(false)
  82     , m_url(url)
  83     , m_viewPropertiesContext()
  84     , m_mode(DolphinView::IconsView)
  85     , m_visibleRoles()
  86     , m_topLayout(nullptr)
  87     , m_model(nullptr)
  88     , m_view(nullptr)
  89     , m_container(nullptr)
  90     , m_toolTipManager(nullptr)
  91     , m_selectionChangedTimer(nullptr)
  92     , m_currentItemUrl()
  93     , m_scrollToCurrentItem(false)
  94     , m_restoredContentsPosition()
  95     , m_selectedUrls()
  96     , m_clearSelectionBeforeSelectingNewItems(false)
  97     , m_markFirstNewlySelectedItemAsCurrent(false)
  98     , m_versionControlObserver(nullptr)
  99     , m_twoClicksRenamingTimer(nullptr)
 100     , m_placeholderLabel(nullptr)
 101     , m_showLoadingPlaceholderTimer(nullptr)
 102 {
 103     m_topLayout = new QVBoxLayout(this);
 104     m_topLayout->setSpacing(0);
 105     m_topLayout->setContentsMargins(0, 0, 0, 0);
 106
 107     // When a new item has been created by the "Create New..." menu, the item should
 108     // get selected and it must be assured that the item will get visible. As the
 109     // creation is done asynchronously, several signals must be checked:
 110     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated, this, &DolphinView::observeCreatedItem);
 111
 112     m_selectionChangedTimer = new QTimer(this);
 113     m_selectionChangedTimer->setSingleShot(true);
 114     m_selectionChangedTimer->setInterval(300);
 115     connect(m_selectionChangedTimer, &QTimer::timeout, this, &DolphinView::emitSelectionChangedSignal);
 116
 117     m_model = new KFileItemModel(this);
 118     m_view = new DolphinItemListView();
 119     m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::FollowSetting);
 120     m_view->setVisibleRoles({"text"});
 121     applyModeToView();
 122
 123     KItemListController *controller = new KItemListController(m_model, m_view, this);
 124     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 125     controller->setAutoActivationDelay(delay);
 126
 127     // The EnlargeSmallPreviews setting can only be changed after the model
 128     // has been set in the view by KItemListController.
 129     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 130
 131     m_container = new KItemListContainer(controller, this);
 132     m_container->installEventFilter(this);
 133     setFocusProxy(m_container);
 134     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, [=] {
 135         hideToolTip();
 136     });
 137     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, [=] {
 138         hideToolTip();
 139     });
 140
 141     m_showLoadingPlaceholderTimer = new QTimer(this);
 142     m_showLoadingPlaceholderTimer->setInterval(500);
 143     m_showLoadingPlaceholderTimer->setSingleShot(true);
 144     connect(m_showLoadingPlaceholderTimer, &QTimer::timeout, this, &DolphinView::showLoadingPlaceholder);
 145
 146     // Show some placeholder text for empty folders
 147     // This is made using a heavily-modified QLabel rather than a KTitleWidget
 148     // because KTitleWidget can't be told to turn off mouse-selectable text
 149     m_placeholderLabel = new QLabel(this);
 150     QFont placeholderLabelFont;
 151     // To match the size of a level 2 Heading/KTitleWidget
 152     placeholderLabelFont.setPointSize(qRound(placeholderLabelFont.pointSize() * 1.3));
 153     m_placeholderLabel->setFont(placeholderLabelFont);
 154     m_placeholderLabel->setTextInteractionFlags(Qt::NoTextInteraction);
 155     m_placeholderLabel->setWordWrap(true);
 156     m_placeholderLabel->setAlignment(Qt::AlignCenter);
 157     // Match opacity of QML placeholder label component
 158     auto *effect = new QGraphicsOpacityEffect(m_placeholderLabel);
 159     effect->setOpacity(0.5);
 160     m_placeholderLabel->setGraphicsEffect(effect);
 161     // Set initial text and visibility
 162     updatePlaceholderLabel();
 163
 164     auto *centeringLayout = new QVBoxLayout(m_container);
 165     centeringLayout->addWidget(m_placeholderLabel);
 166     centeringLayout->setAlignment(m_placeholderLabel, Qt::AlignCenter);
 167     m_placeholderLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 168     connect(m_placeholderLabel, &QWidget::customContextMenuRequested, this, [this](const QPoint &pos) {
 169         slotViewContextMenuRequested(m_placeholderLabel->mapToGlobal(pos));
 170     });
 171
 172     controller->setSelectionBehavior(KItemListController::MultiSelection);
 173     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 174     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 175     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 176     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 177     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 178     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 179     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 180     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 181     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 182     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 183     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 184     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 185     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 186     connect(controller, &KItemListController::increaseZoom, this, &DolphinView::slotIncreaseZoom);
 187     connect(controller, &KItemListController::decreaseZoom, this, &DolphinView::slotDecreaseZoom);
 188     connect(controller, &KItemListController::swipeUp, this, &DolphinView::slotSwipeUp);
 189     connect(controller, &KItemListController::selectionModeChangeRequested, this, &DolphinView::selectionModeChangeRequested);
 190
 191     connect(m_model, &KFileItemModel::directoryLoadingStarted, this, &DolphinView::slotDirectoryLoadingStarted);
 192     connect(m_model, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
 193     connect(m_model, &KFileItemModel::directoryLoadingCanceled, this, &DolphinView::slotDirectoryLoadingCanceled);
 194     connect(m_model, &KFileItemModel::directoryLoadingProgress, this, &DolphinView::directoryLoadingProgress);
 195     connect(m_model, &KFileItemModel::directorySortingProgress, this, &DolphinView::directorySortingProgress);
 196     connect(m_model, &KFileItemModel::itemsChanged, this, &DolphinView::slotItemsChanged);
 197     connect(m_model, &KFileItemModel::itemsRemoved, this, &DolphinView::itemCountChanged);
 198     connect(m_model, &KFileItemModel::itemsInserted, this, &DolphinView::itemCountChanged);
 199     connect(m_model, &KFileItemModel::infoMessage, this, &DolphinView::infoMessage);
 200     connect(m_model, &KFileItemModel::errorMessage, this, &DolphinView::errorMessage);
 201     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 202     connect(m_model, &KFileItemModel::urlIsFileError, this, &DolphinView::urlIsFileError);
 203     connect(m_model, &KFileItemModel::fileItemsChanged, this, &DolphinView::fileItemsChanged);
 204     connect(m_model, &KFileItemModel::currentDirectoryRemoved, this, &DolphinView::currentDirectoryRemoved);
 205
 206     connect(this, &DolphinView::itemCountChanged, this, &DolphinView::updatePlaceholderLabel);
 207
 208     m_view->installEventFilter(this);
 209     connect(m_view, &DolphinItemListView::sortOrderChanged, this, &DolphinView::slotSortOrderChangedByHeader);
 210     connect(m_view, &DolphinItemListView::sortRoleChanged, this, &DolphinView::slotSortRoleChangedByHeader);
 211     connect(m_view, &DolphinItemListView::visibleRolesChanged, this, &DolphinView::slotVisibleRolesChangedByHeader);
 212     connect(m_view, &DolphinItemListView::roleEditingCanceled, this, &DolphinView::slotRoleEditingCanceled);
 213
 214     connect(m_view, &DolphinItemListView::columnHovered, this, [this](int columnIndex) {
 215         m_hoveredColumnHeaderIndex = columnIndex;
 216     });
 217     connect(m_view, &DolphinItemListView::columnUnHovered, this, [this](int /* columnIndex */) {
 218         m_hoveredColumnHeaderIndex = std::nullopt;
 219     });
 220     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished, this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 221     connect(m_view->header(), &KItemListHeader::sidePaddingChanged, this, &DolphinView::slotSidePaddingWidthChanged);
 222
 223     KItemListSelectionManager *selectionManager = controller->selectionManager();
 224     connect(selectionManager, &KItemListSelectionManager::selectionChanged, this, &DolphinView::slotSelectionChanged);
 225
 226 #if HAVE_BALOO
 227     m_toolTipManager = new ToolTipManager(this);
 228     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 229 #endif
 230
 231     m_versionControlObserver = new VersionControlObserver(this);
 232     m_versionControlObserver->setView(this);
 233     m_versionControlObserver->setModel(m_model);
 234     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 235     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 236     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 237
 238     m_twoClicksRenamingTimer = new QTimer(this);
 239     m_twoClicksRenamingTimer->setSingleShot(true);
 240     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 241
 242     applyViewProperties();
 243     m_topLayout->addWidget(m_container);
 244
 245     loadDirectory(url);
 246 }
 247
 248 DolphinView::~DolphinView()
 249 {
 250     disconnect(m_container->controller(), &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 251 }
 252
 253 QUrl DolphinView::url() const
 254 {
 255     return m_url;
 256 }
 257
 258 void DolphinView::setActive(bool active)
 259 {
 260     if (active == m_active) {
 261         return;
 262     }
 263
 264     m_active = active;
 265
 266     updatePalette();
 267
 268     if (active) {
 269         m_container->setFocus();
 270         Q_EMIT activated();
 271         Q_EMIT writeStateChanged(m_isFolderWritable);
 272     }
 273 }
 274
 275 bool DolphinView::isActive() const
 276 {
 277     return m_active;
 278 }
 279
 280 void DolphinView::setViewMode(Mode mode)
 281 {
 282     if (mode != m_mode) {
 283         ViewProperties props(viewPropertiesUrl());
 284         props.setViewMode(mode);
 285
 286         // We pass the new ViewProperties to applyViewProperties, rather than
 287         // storing them on disk and letting applyViewProperties() read them
 288         // from there, to prevent that changing the view mode fails if the
 289         // .directory file is not writable (see bug 318534).
 290         applyViewProperties(props);
 291     }
 292 }
 293
 294 DolphinView::Mode DolphinView::viewMode() const
 295 {
 296     return m_mode;
 297 }
 298
 299 void DolphinView::setSelectionModeEnabled(const bool enabled)
 300 {
 301     if (enabled) {
 302         m_proxyStyle = std::make_unique<SelectionMode::SingleClickSelectionProxyStyle>();
 303         setStyle(m_proxyStyle.get());
 304         m_view->setStyle(m_proxyStyle.get());
 305         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::False);
 306     } else {
 307         setStyle(QApplication::style());
 308         m_view->setStyle(QApplication::style());
 309         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::FollowSetting);
 310     }
 311     m_container->controller()->setSelectionModeEnabled(enabled);
 312 }
 313
 314 bool DolphinView::selectionMode() const
 315 {
 316     return m_container->controller()->selectionMode();
 317 }
 318
 319 void DolphinView::setPreviewsShown(bool show)
 320 {
 321     if (previewsShown() == show) {
 322         return;
 323     }
 324
 325     ViewProperties props(viewPropertiesUrl());
 326     props.setPreviewsShown(show);
 327
 328     const int oldZoomLevel = m_view->zoomLevel();
 329     m_view->setPreviewsShown(show);
 330     Q_EMIT previewsShownChanged(show);
 331
 332     const int newZoomLevel = m_view->zoomLevel();
 333     if (newZoomLevel != oldZoomLevel) {
 334         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 335     }
 336 }
 337
 338 bool DolphinView::previewsShown() const
 339 {
 340     return m_view->previewsShown();
 341 }
 342
 343 void DolphinView::setHiddenFilesShown(bool show)
 344 {
 345     if (m_model->showHiddenFiles() == show) {
 346         return;
 347     }
 348
 349     const KFileItemList itemList = selectedItems();
 350     m_selectedUrls.clear();
 351     m_selectedUrls = itemList.urlList();
 352
 353     ViewProperties props(viewPropertiesUrl());
 354     props.setHiddenFilesShown(show);
 355
 356     m_model->setShowHiddenFiles(show);
 357     Q_EMIT hiddenFilesShownChanged(show);
 358 }
 359
 360 bool DolphinView::hiddenFilesShown() const
 361 {
 362     return m_model->showHiddenFiles();
 363 }
 364
 365 void DolphinView::setGroupedSorting(bool grouped)
 366 {
 367     if (grouped == groupedSorting()) {
 368         return;
 369     }
 370
 371     ViewProperties props(viewPropertiesUrl());
 372     props.setGroupedSorting(grouped);
 373     props.save();
 374
 375     m_container->controller()->model()->setGroupedSorting(grouped);
 376
 377     Q_EMIT groupedSortingChanged(grouped);
 378 }
 379
 380 bool DolphinView::groupedSorting() const
 381 {
 382     return m_model->groupedSorting();
 383 }
 384
 385 KFileItemList DolphinView::items() const
 386 {
 387     KFileItemList list;
 388     const int itemCount = m_model->count();
 389     list.reserve(itemCount);
 390
 391     for (int i = 0; i < itemCount; ++i) {
 392         list.append(m_model->fileItem(i));
 393     }
 394
 395     return list;
 396 }
 397
 398 int DolphinView::itemsCount() const
 399 {
 400     return m_model->count();
 401 }
 402
 403 KFileItemList DolphinView::selectedItems() const
 404 {
 405     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 406
 407     KFileItemList selectedItems;
 408     const auto items = selectionManager->selectedItems();
 409     selectedItems.reserve(items.count());
 410     for (int index : items) {
 411         selectedItems.append(m_model->fileItem(index));
 412     }
 413     return selectedItems;
 414 }
 415
 416 int DolphinView::selectedItemsCount() const
 417 {
 418     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 419     return selectionManager->selectedItems().count();
 420 }
 421
 422 void DolphinView::markUrlsAsSelected(const QList<QUrl> &urls)
 423 {
 424     m_selectedUrls = urls;
 425 }
 426
 427 void DolphinView::markUrlAsCurrent(const QUrl &url)
 428 {
 429     m_currentItemUrl = url;
 430     m_scrollToCurrentItem = true;
 431 }
 432
 433 void DolphinView::selectItems(const QRegularExpression &regexp, bool enabled)
 434 {
 435     const KItemListSelectionManager::SelectionMode mode = enabled ? KItemListSelectionManager::Select : KItemListSelectionManager::Deselect;
 436     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 437
 438     for (int index = 0; index < m_model->count(); index++) {
 439         const KFileItem item = m_model->fileItem(index);
 440         if (regexp.match(item.text()).hasMatch()) {
 441             // An alternative approach would be to store the matching items in a KItemSet and
 442             // select them in one go after the loop, but we'd need a new function
 443             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 444             // for that.
 445             selectionManager->setSelected(index, 1, mode);
 446         }
 447     }
 448 }
 449
 450 void DolphinView::setZoomLevel(int level)
 451 {
 452     const int oldZoomLevel = zoomLevel();
 453     m_view->setZoomLevel(level);
 454     if (zoomLevel() != oldZoomLevel) {
 455         hideToolTip();
 456         Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
 457     }
 458 }
 459
 460 int DolphinView::zoomLevel() const
 461 {
 462     return m_view->zoomLevel();
 463 }
 464
 465 void DolphinView::setSortRole(const QByteArray &role)
 466 {
 467     if (role != sortRole()) {
 468         updateSortRole(role);
 469     }
 470 }
 471
 472 QByteArray DolphinView::sortRole() const
 473 {
 474     const KItemModelBase *model = m_container->controller()->model();
 475     return model->sortRole();
 476 }
 477
 478 void DolphinView::setSortOrder(Qt::SortOrder order)
 479 {
 480     if (sortOrder() != order) {
 481         updateSortOrder(order);
 482     }
 483 }
 484
 485 Qt::SortOrder DolphinView::sortOrder() const
 486 {
 487     return m_model->sortOrder();
 488 }
 489
 490 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 491 {
 492     if (sortFoldersFirst() != foldersFirst) {
 493         updateSortFoldersFirst(foldersFirst);
 494     }
 495 }
 496
 497 bool DolphinView::sortFoldersFirst() const
 498 {
 499     return m_model->sortDirectoriesFirst();
 500 }
 501
 502 void DolphinView::setSortHiddenLast(bool hiddenLast)
 503 {
 504     if (sortHiddenLast() != hiddenLast) {
 505         updateSortHiddenLast(hiddenLast);
 506     }
 507 }
 508
 509 bool DolphinView::sortHiddenLast() const
 510 {
 511     return m_model->sortHiddenLast();
 512 }
 513
 514 void DolphinView::setVisibleRoles(const QList<QByteArray> &roles)
 515 {
 516     const QList<QByteArray> previousRoles = roles;
 517
 518     ViewProperties props(viewPropertiesUrl());
 519     props.setVisibleRoles(roles);
 520
 521     m_visibleRoles = roles;
 522     m_view->setVisibleRoles(roles);
 523
 524     Q_EMIT visibleRolesChanged(m_visibleRoles, previousRoles);
 525 }
 526
 527 QList<QByteArray> DolphinView::visibleRoles() const
 528 {
 529     return m_visibleRoles;
 530 }
 531
 532 void DolphinView::reload()
 533 {
 534     QByteArray viewState;
 535     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 536     saveState(saveStream);
 537
 538     setUrl(url());
 539     loadDirectory(url(), true);
 540
 541     QDataStream restoreStream(viewState);
 542     restoreState(restoreStream);
 543 }
 544
 545 void DolphinView::readSettings()
 546 {
 547     const int oldZoomLevel = m_view->zoomLevel();
 548
 549     GeneralSettings::self()->load();
 550     m_view->readSettings();
 551     applyViewProperties();
 552
 553     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 554     m_container->controller()->setAutoActivationDelay(delay);
 555
 556     const int newZoomLevel = m_view->zoomLevel();
 557     if (newZoomLevel != oldZoomLevel) {
 558         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 559     }
 560 }
 561
 562 void DolphinView::writeSettings()
 563 {
 564     GeneralSettings::self()->save();
 565     m_view->writeSettings();
 566 }
 567
 568 void DolphinView::setNameFilter(const QString &nameFilter)
 569 {
 570     m_model->setNameFilter(nameFilter);
 571 }
 572
 573 QString DolphinView::nameFilter() const
 574 {
 575     return m_model->nameFilter();
 576 }
 577
 578 void DolphinView::setMimeTypeFilters(const QStringList &filters)
 579 {
 580     return m_model->setMimeTypeFilters(filters);
 581 }
 582
 583 QStringList DolphinView::mimeTypeFilters() const
 584 {
 585     return m_model->mimeTypeFilters();
 586 }
 587
 588 void DolphinView::requestStatusBarText()
 589 {
 590     if (m_statJobForStatusBarText) {
 591         // Kill the pending request.
 592         m_statJobForStatusBarText->kill();
 593     }
 594
 595     if (m_container->controller()->selectionManager()->hasSelection()) {
 596         int folderCount = 0;
 597         int fileCount = 0;
 598         KIO::filesize_t totalFileSize = 0;
 599
 600         // Give a summary of the status of the selected files
 601         const KFileItemList list = selectedItems();
 602         for (const KFileItem &item : list) {
 603             if (item.isDir()) {
 604                 ++folderCount;
 605             } else {
 606                 ++fileCount;
 607                 totalFileSize += item.size();
 608             }
 609         }
 610
 611         if (folderCount + fileCount == 1) {
 612             // If only one item is selected, show info about it
 613             Q_EMIT statusBarTextChanged(list.first().getStatusBarInfo());
 614         } else {
 615             // At least 2 items are selected
 616             emitStatusBarText(folderCount, fileCount, totalFileSize, HasSelection);
 617         }
 618     } else { // has no selection
 619         if (!m_model->rootItem().url().isValid()) {
 620             return;
 621         }
 622
 623         m_statJobForStatusBarText = KIO::statDetails(m_model->rootItem().url(), KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
 624         connect(m_statJobForStatusBarText, &KJob::result, this, &DolphinView::slotStatJobResult);
 625         m_statJobForStatusBarText->start();
 626     }
 627 }
 628
 629 void DolphinView::emitStatusBarText(const int folderCount, const int fileCount, KIO::filesize_t totalFileSize, const Selection selection)
 630 {
 631     QString foldersText;
 632     QString filesText;
 633     QString summary;
 634
 635     if (selection == HasSelection) {
 636         // At least 2 items are selected because the case of 1 selected item is handled in
 637         // DolphinView::requestStatusBarText().
 638         foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 639         filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 640     } else {
 641         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 642         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 643     }
 644
 645     if (fileCount > 0 && folderCount > 0) {
 646         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)", foldersText, filesText, KFormat().formatByteSize(totalFileSize));
 647     } else if (fileCount > 0) {
 648         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, KFormat().formatByteSize(totalFileSize));
 649     } else if (folderCount > 0) {
 650         summary = foldersText;
 651     } else {
 652         summary = i18nc("@info:status", "0 Folders, 0 Files");
 653     }
 654     Q_EMIT statusBarTextChanged(summary);
 655 }
 656
 657 QList<QAction *> DolphinView::versionControlActions(const KFileItemList &items) const
 658 {
 659     QList<QAction *> actions;
 660
 661     if (items.isEmpty()) {
 662         const KFileItem item = m_model->rootItem();
 663         if (!item.isNull()) {
 664             actions = m_versionControlObserver->actions(KFileItemList() << item);
 665         }
 666     } else {
 667         actions = m_versionControlObserver->actions(items);
 668     }
 669
 670     return actions;
 671 }
 672
 673 void DolphinView::setUrl(const QUrl &url)
 674 {
 675     if (url == m_url) {
 676         return;
 677     }
 678
 679     clearSelection();
 680
 681     m_url = url;
 682
 683     hideToolTip();
 684
 685     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 686
 687     // It is important to clear the items from the model before
 688     // applying the view properties, otherwise expensive operations
 689     // might be done on the existing items although they get cleared
 690     // anyhow afterwards by loadDirectory().
 691     m_model->clear();
 692     applyViewProperties();
 693     loadDirectory(url);
 694
 695     Q_EMIT urlChanged(url);
 696 }
 697
 698 void DolphinView::selectAll()
 699 {
 700     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 701     selectionManager->setSelected(0, m_model->count());
 702 }
 703
 704 void DolphinView::invertSelection()
 705 {
 706     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 707     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 708 }
 709
 710 void DolphinView::clearSelection()
 711 {
 712     m_selectedUrls.clear();
 713     m_container->controller()->selectionManager()->clearSelection();
 714 }
 715
 716 void DolphinView::renameSelectedItems()
 717 {
 718     const KFileItemList items = selectedItems();
 719     if (items.isEmpty()) {
 720         return;
 721     }
 722
 723     if (items.count() == 1 && GeneralSettings::renameInline()) {
 724         const int index = m_model->index(items.first());
 725
 726         QMetaObject::Connection *const connection = new QMetaObject::Connection;
 727         *connection = connect(m_view, &KItemListView::scrollingStopped, this, [=]() {
 728             QObject::disconnect(*connection);
 729             delete connection;
 730
 731             m_view->editRole(index, "text");
 732
 733             hideToolTip();
 734
 735             connect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 736         });
 737         m_view->scrollToItem(index);
 738
 739     } else {
 740         KIO::RenameFileDialog *dialog = new KIO::RenameFileDialog(items, this);
 741         connect(dialog, &KIO::RenameFileDialog::renamingFinished, this, &DolphinView::slotRenameDialogRenamingFinished);
 742
 743         dialog->open();
 744     }
 745
 746     // Assure that the current index remains visible when KFileItemModel
 747     // will notify the view about changed items (which might result in
 748     // a changed sorting).
 749     m_assureVisibleCurrentIndex = true;
 750 }
 751
 752 void DolphinView::trashSelectedItems()
 753 {
 754     const QList<QUrl> list = simplifiedSelectedUrls();
 755
 756 #if KIO_VERSION >= QT_VERSION_CHECK(5, 100, 0)
 757     using Iface = KIO::AskUserActionInterface;
 758     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Trash, Iface::DefaultConfirmation, this);
 759     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 760     m_selectNextItem = true;
 761     trashJob->start();
 762 #else
 763     KIO::JobUiDelegate uiDelegate;
 764     uiDelegate.setWindow(window());
 765     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 766         KIO::Job *job = KIO::trash(list);
 767         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, QUrl(QStringLiteral("trash:/")), job);
 768         KJobWidgets::setWindow(job, this);
 769         connect(job, &KIO::Job::result, this, &DolphinView::slotTrashFileFinished);
 770     }
 771 #endif
 772 }
 773
 774 void DolphinView::deleteSelectedItems()
 775 {
 776     const QList<QUrl> list = simplifiedSelectedUrls();
 777
 778 #if KIO_VERSION >= QT_VERSION_CHECK(5, 100, 0)
 779     using Iface = KIO::AskUserActionInterface;
 780     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Delete, Iface::DefaultConfirmation, this);
 781     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 782     m_selectNextItem = true;
 783     trashJob->start();
 784 #else
 785     KIO::JobUiDelegate uiDelegate;
 786     uiDelegate.setWindow(window());
 787     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 788         KIO::Job *job = KIO::del(list);
 789         KJobWidgets::setWindow(job, this);
 790         connect(job, &KIO::Job::result, this, &DolphinView::slotDeleteFileFinished);
 791     }
 792 #endif
 793 }
 794
 795 void DolphinView::cutSelectedItemsToClipboard()
 796 {
 797     QMimeData *mimeData = selectionMimeData();
 798     KIO::setClipboardDataCut(mimeData, true);
 799     KUrlMimeData::exportUrlsToPortal(mimeData);
 800     QApplication::clipboard()->setMimeData(mimeData);
 801 }
 802
 803 void DolphinView::copySelectedItemsToClipboard()
 804 {
 805     QMimeData *mimeData = selectionMimeData();
 806     KUrlMimeData::exportUrlsToPortal(mimeData);
 807     QApplication::clipboard()->setMimeData(mimeData);
 808 }
 809
 810 void DolphinView::copySelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 811 {
 812     KIO::CopyJob *job = KIO::copy(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 813     KJobWidgets::setWindow(job, this);
 814
 815     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 816     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotCopyingDone);
 817     KIO::FileUndoManager::self()->recordCopyJob(job);
 818 }
 819
 820 void DolphinView::moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 821 {
 822     KIO::CopyJob *job = KIO::move(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 823     KJobWidgets::setWindow(job, this);
 824
 825     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 826     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotCopyingDone);
 827     KIO::FileUndoManager::self()->recordCopyJob(job);
 828 }
 829
 830 void DolphinView::paste()
 831 {
 832     pasteToUrl(url());
 833 }
 834
 835 void DolphinView::pasteIntoFolder()
 836 {
 837     const KFileItemList items = selectedItems();
 838     if ((items.count() == 1) && items.first().isDir()) {
 839         pasteToUrl(items.first().url());
 840     }
 841 }
 842
 843 void DolphinView::duplicateSelectedItems()
 844 {
 845     const KFileItemList itemList = selectedItems();
 846     if (itemList.isEmpty()) {
 847         return;
 848     }
 849
 850     const QMimeDatabase db;
 851
 852     // Duplicate all selected items and append "copy" to the end of the file name
 853     // but before the filename extension, if present
 854     QList<QUrl> newSelection;
 855     for (const auto &item : itemList) {
 856         const QUrl originalURL = item.url();
 857         const QString originalDirectoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 858         const QString originalFileName = item.name();
 859
 860         QString extension = db.suffixForFileName(originalFileName);
 861
 862         QUrl duplicateURL = originalURL;
 863
 864         // No extension; new filename is "<oldfilename> copy"
 865         if (extension.isEmpty()) {
 866             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFileName));
 867             // There's an extension; new filename is "<oldfilename> copy.<extension>"
 868         } else {
 869             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 870             extension = QLatin1String(".") + extension;
 871             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 872             // Preserve file's original filename extension in case the casing differs
 873             // from what QMimeDatabase::suffixForFileName() returned
 874             const QString originalExtension = originalFileName.right(extension.size());
 875             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFilenameWithoutExtension) + originalExtension);
 876         }
 877
 878         KIO::CopyJob *job = KIO::copyAs(originalURL, duplicateURL);
 879         KJobWidgets::setWindow(job, this);
 880
 881         if (job) {
 882             newSelection << duplicateURL;
 883             KIO::FileUndoManager::self()->recordCopyJob(job);
 884         }
 885     }
 886
 887     forceUrlsSelection(newSelection.first(), newSelection);
 888 }
 889
 890 void DolphinView::stopLoading()
 891 {
 892     m_model->cancelDirectoryLoading();
 893 }
 894
 895 void DolphinView::updatePalette()
 896 {
 897     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 898     if (!m_active) {
 899         color.setAlpha(150);
 900     }
 901
 902     QWidget *viewport = m_container->viewport();
 903     if (viewport) {
 904         QPalette palette;
 905         palette.setColor(viewport->backgroundRole(), color);
 906         viewport->setPalette(palette);
 907     }
 908
 909     update();
 910 }
 911
 912 void DolphinView::abortTwoClicksRenaming()
 913 {
 914     m_twoClicksRenamingItemUrl.clear();
 915     m_twoClicksRenamingTimer->stop();
 916 }
 917
 918 bool DolphinView::eventFilter(QObject *watched, QEvent *event)
 919 {
 920     switch (event->type()) {
 921     case QEvent::PaletteChange:
 922         updatePalette();
 923         QPixmapCache::clear();
 924         break;
 925
 926     case QEvent::WindowActivate:
 927     case QEvent::WindowDeactivate:
 928         updatePalette();
 929         break;
 930
 931     case QEvent::KeyPress:
 932         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 933         if (GeneralSettings::useTabForSwitchingSplitView()) {
 934             QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
 935             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 936                 Q_EMIT toggleActiveViewRequested();
 937                 return true;
 938             }
 939         }
 940         break;
 941     case QEvent::KeyRelease:
 942         if (static_cast<QKeyEvent *>(event)->key() == Qt::Key_Control) {
 943             m_controlWheelAccumulatedDelta = 0;
 944         }
 945         break;
 946     case QEvent::FocusIn:
 947         if (watched == m_container) {
 948             setActive(true);
 949         }
 950         break;
 951
 952     case QEvent::GraphicsSceneDragEnter:
 953         if (watched == m_view) {
 954             m_dragging = true;
 955             abortTwoClicksRenaming();
 956         }
 957         break;
 958
 959     case QEvent::GraphicsSceneDragLeave:
 960         if (watched == m_view) {
 961             m_dragging = false;
 962         }
 963         break;
 964
 965     case QEvent::GraphicsSceneDrop:
 966         if (watched == m_view) {
 967             m_dragging = false;
 968         }
 969         break;
 970
 971     case QEvent::ToolTip: {
 972         const auto helpEvent = static_cast<QHelpEvent *>(event);
 973         if (tryShowNameToolTip(helpEvent)) {
 974             return true;
 975
 976         } else if (m_hoveredColumnHeaderIndex) {
 977             const auto rolesInfo = KFileItemModel::rolesInformation();
 978             const auto visibleRole = m_visibleRoles.value(*m_hoveredColumnHeaderIndex);
 979
 980             for (const KFileItemModel::RoleInfo &info : rolesInfo) {
 981                 if (visibleRole == info.role) {
 982                     QToolTip::showText(helpEvent->globalPos(), info.tooltip, this);
 983                     return true;
 984                 }
 985             }
 986         }
 987         break;
 988     }
 989     default:
 990         break;
 991     }
 992
 993     return QWidget::eventFilter(watched, event);
 994 }
 995
 996 void DolphinView::wheelEvent(QWheelEvent *event)
 997 {
 998     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 999         m_controlWheelAccumulatedDelta += event->angleDelta().y();
1000
1001         if (m_controlWheelAccumulatedDelta <= -QWheelEvent::DefaultDeltasPerStep) {
1002             slotDecreaseZoom();
1003             m_controlWheelAccumulatedDelta += QWheelEvent::DefaultDeltasPerStep;
1004         } else if (m_controlWheelAccumulatedDelta >= QWheelEvent::DefaultDeltasPerStep) {
1005             slotIncreaseZoom();
1006             m_controlWheelAccumulatedDelta -= QWheelEvent::DefaultDeltasPerStep;
1007         }
1008
1009         event->accept();
1010     } else {
1011         event->ignore();
1012     }
1013 }
1014
1015 void DolphinView::hideEvent(QHideEvent *event)
1016 {
1017     hideToolTip();
1018     QWidget::hideEvent(event);
1019 }
1020
1021 bool DolphinView::event(QEvent *event)
1022 {
1023     if (event->type() == QEvent::WindowDeactivate) {
1024         /* See Bug 297355
1025          * Dolphin leaves file preview tooltips open even when is not visible.
1026          *
1027          * Hide tool-tip when Dolphin loses focus.
1028          */
1029         hideToolTip();
1030         abortTwoClicksRenaming();
1031     }
1032
1033     return QWidget::event(event);
1034 }
1035
1036 void DolphinView::activate()
1037 {
1038     setActive(true);
1039 }
1040
1041 void DolphinView::slotItemActivated(int index)
1042 {
1043     abortTwoClicksRenaming();
1044
1045     const KFileItem item = m_model->fileItem(index);
1046     if (!item.isNull()) {
1047         Q_EMIT itemActivated(item);
1048     }
1049 }
1050
1051 void DolphinView::slotItemsActivated(const KItemSet &indexes)
1052 {
1053     Q_ASSERT(indexes.count() >= 2);
1054
1055     abortTwoClicksRenaming();
1056
1057     const auto modifiers = QGuiApplication::keyboardModifiers();
1058
1059     if (indexes.count() > 5) {
1060         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
1061 #if KWIDGETSADDONS_VERSION >= QT_VERSION_CHECK(5, 100, 0)
1062         const int answer = KMessageBox::warningTwoActions(
1063             this,
1064             question,
1065             {},
1066 #else
1067         const int answer =
1068             KMessageBox::warningYesNo(this,
1069                                       question,
1070                                       {},
1071 #endif
1072             KGuiItem(i18ncp("@action:button", "Open %1 Item", "Open %1 Items", indexes.count()), QStringLiteral("document-open")),
1073             KStandardGuiItem::cancel());
1074 #if KWIDGETSADDONS_VERSION >= QT_VERSION_CHECK(5, 100, 0)
1075         if (answer != KMessageBox::PrimaryAction) {
1076 #else
1077         if (answer != KMessageBox::Yes) {
1078 #endif
1079             return;
1080         }
1081     }
1082
1083     KFileItemList items;
1084     items.reserve(indexes.count());
1085
1086     for (int index : indexes) {
1087         KFileItem item = m_model->fileItem(index);
1088         const QUrl &url = openItemAsFolderUrl(item);
1089
1090         if (!url.isEmpty()) {
1091             // Open folders in new tabs or in new windows depending on the modifier
1092             // The ctrl+shift behavior is ignored because we are handling multiple items
1093             // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1094             if (modifiers & Qt::ShiftModifier && !(modifiers & Qt::ControlModifier)) {
1095                 Q_EMIT windowRequested(url);
1096             } else {
1097                 Q_EMIT tabRequested(url);
1098             }
1099         } else {
1100             items.append(item);
1101         }
1102     }
1103
1104     if (items.count() == 1) {
1105         Q_EMIT itemActivated(items.first());
1106     } else if (items.count() > 1) {
1107         Q_EMIT itemsActivated(items);
1108     }
1109 }
1110
1111 void DolphinView::slotItemMiddleClicked(int index)
1112 {
1113     const KFileItem &item = m_model->fileItem(index);
1114     const QUrl &url = openItemAsFolderUrl(item);
1115     const auto modifiers = QGuiApplication::keyboardModifiers();
1116     if (!url.isEmpty()) {
1117         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1118         if (modifiers & Qt::ShiftModifier) {
1119             Q_EMIT activeTabRequested(url);
1120         } else {
1121             Q_EMIT tabRequested(url);
1122         }
1123     } else if (isTabsForFilesEnabled()) {
1124         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1125         if (modifiers & Qt::ShiftModifier) {
1126             Q_EMIT activeTabRequested(item.url());
1127         } else {
1128             Q_EMIT tabRequested(item.url());
1129         }
1130     }
1131 }
1132
1133 void DolphinView::slotItemContextMenuRequested(int index, const QPointF &pos)
1134 {
1135     // Force emit of a selection changed signal before we request the
1136     // context menu, to update the edit-actions first. (See Bug 294013)
1137     if (m_selectionChangedTimer->isActive()) {
1138         emitSelectionChangedSignal();
1139     }
1140
1141     const KFileItem item = m_model->fileItem(index);
1142     Q_EMIT requestContextMenu(pos.toPoint(), item, selectedItems(), url());
1143 }
1144
1145 void DolphinView::slotViewContextMenuRequested(const QPointF &pos)
1146 {
1147     Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), selectedItems(), url());
1148 }
1149
1150 void DolphinView::slotHeaderContextMenuRequested(const QPointF &pos)
1151 {
1152     ViewProperties props(viewPropertiesUrl());
1153
1154     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
1155
1156     KItemListView *view = m_container->controller()->view();
1157     const QList<QByteArray> visibleRolesSet = view->visibleRoles();
1158
1159     bool indexingEnabled = false;
1160 #if HAVE_BALOO
1161     Baloo::IndexerConfig config;
1162     indexingEnabled = config.fileIndexingEnabled();
1163 #endif
1164
1165     QString groupName;
1166     QMenu *groupMenu = nullptr;
1167
1168     // Add all roles to the menu that can be shown or hidden by the user
1169     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
1170     for (const KFileItemModel::RoleInfo &info : rolesInfo) {
1171         if (info.role == "text") {
1172             // It should not be possible to hide the "text" role
1173             continue;
1174         }
1175
1176         const QString text = m_model->roleDescription(info.role);
1177         QAction *action = nullptr;
1178         if (info.group.isEmpty()) {
1179             action = menu->addAction(text);
1180         } else {
1181             if (!groupMenu || info.group != groupName) {
1182                 groupName = info.group;
1183                 groupMenu = menu->addMenu(groupName);
1184             }
1185
1186             action = groupMenu->addAction(text);
1187         }
1188
1189         action->setCheckable(true);
1190         action->setChecked(visibleRolesSet.contains(info.role));
1191         action->setData(info.role);
1192         action->setToolTip(info.tooltip);
1193
1194         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) || (info.requiresBaloo) || (info.requiresIndexer && indexingEnabled);
1195         action->setEnabled(enable);
1196     }
1197
1198     menu->addSeparator();
1199
1200     QActionGroup *widthsGroup = new QActionGroup(menu);
1201     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1202
1203     QAction *toggleSidePaddingAction = menu->addAction(i18nc("@action:inmenu", "Side Padding"));
1204     toggleSidePaddingAction->setCheckable(true);
1205     toggleSidePaddingAction->setChecked(view->header()->sidePadding() > 0);
1206
1207     QAction *autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1208     autoAdjustWidthsAction->setCheckable(true);
1209     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1210     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1211
1212     QAction *customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1213     customWidthsAction->setCheckable(true);
1214     customWidthsAction->setChecked(!autoColumnWidths);
1215     customWidthsAction->setActionGroup(widthsGroup);
1216
1217     QAction *action = menu->exec(pos.toPoint());
1218     if (menu && action) {
1219         KItemListHeader *header = view->header();
1220
1221         if (action == autoAdjustWidthsAction) {
1222             // Clear the column-widths from the viewproperties and turn on
1223             // the automatic resizing of the columns
1224             props.setHeaderColumnWidths(QList<int>());
1225             header->setAutomaticColumnResizing(true);
1226         } else if (action == customWidthsAction) {
1227             // Apply the current column-widths as custom column-widths and turn
1228             // off the automatic resizing of the columns
1229             QList<int> columnWidths;
1230             const auto visibleRoles = view->visibleRoles();
1231             columnWidths.reserve(visibleRoles.count());
1232             for (const QByteArray &role : visibleRoles) {
1233                 columnWidths.append(header->columnWidth(role));
1234             }
1235             props.setHeaderColumnWidths(columnWidths);
1236             header->setAutomaticColumnResizing(false);
1237         } else if (action == toggleSidePaddingAction) {
1238             header->setSidePadding(toggleSidePaddingAction->isChecked() ? 20 : 0);
1239         } else {
1240             // Show or hide the selected role
1241             const QByteArray selectedRole = action->data().toByteArray();
1242
1243             QList<QByteArray> visibleRoles = view->visibleRoles();
1244             if (action->isChecked()) {
1245                 visibleRoles.append(selectedRole);
1246             } else {
1247                 visibleRoles.removeOne(selectedRole);
1248             }
1249
1250             view->setVisibleRoles(visibleRoles);
1251             props.setVisibleRoles(visibleRoles);
1252
1253             QList<int> columnWidths;
1254             if (!header->automaticColumnResizing()) {
1255                 const auto visibleRoles = view->visibleRoles();
1256                 columnWidths.reserve(visibleRoles.count());
1257                 for (const QByteArray &role : visibleRoles) {
1258                     columnWidths.append(header->columnWidth(role));
1259                 }
1260             }
1261             props.setHeaderColumnWidths(columnWidths);
1262         }
1263     }
1264
1265     delete menu;
1266 }
1267
1268 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray &role, qreal current)
1269 {
1270     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1271
1272     ViewProperties props(viewPropertiesUrl());
1273     QList<int> columnWidths = props.headerColumnWidths();
1274     if (columnWidths.count() != visibleRoles.count()) {
1275         columnWidths.clear();
1276         columnWidths.reserve(visibleRoles.count());
1277         const KItemListHeader *header = m_view->header();
1278         for (const QByteArray &role : visibleRoles) {
1279             const int width = header->columnWidth(role);
1280             columnWidths.append(width);
1281         }
1282     }
1283
1284     const int roleIndex = visibleRoles.indexOf(role);
1285     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1286     columnWidths[roleIndex] = current;
1287
1288     props.setHeaderColumnWidths(columnWidths);
1289 }
1290
1291 void DolphinView::slotSidePaddingWidthChanged(qreal width)
1292 {
1293     ViewProperties props(viewPropertiesUrl());
1294     DetailsModeSettings::setSidePadding(int(width));
1295     m_view->writeSettings();
1296 }
1297
1298 void DolphinView::slotItemHovered(int index)
1299 {
1300     const KFileItem item = m_model->fileItem(index);
1301
1302     if (GeneralSettings::showToolTips() && !m_dragging) {
1303         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1304         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1305         itemRect.moveTo(pos);
1306
1307 #if HAVE_BALOO
1308         auto nativeParent = nativeParentWidget();
1309         if (nativeParent) {
1310             m_toolTipManager->showToolTip(item, itemRect, nativeParent->windowHandle());
1311         }
1312 #endif
1313     }
1314
1315     Q_EMIT requestItemInfo(item);
1316 }
1317
1318 void DolphinView::slotItemUnhovered(int index)
1319 {
1320     Q_UNUSED(index)
1321     hideToolTip();
1322     Q_EMIT requestItemInfo(KFileItem());
1323 }
1324
1325 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent *event)
1326 {
1327     QUrl destUrl;
1328     KFileItem destItem = m_model->fileItem(index);
1329     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1330         // Use the URL of the view as drop target if the item is no directory
1331         // or desktop-file
1332         destItem = m_model->rootItem();
1333         destUrl = url();
1334     } else {
1335         // The item represents a directory or desktop-file
1336         destUrl = destItem.mostLocalUrl();
1337     }
1338
1339     QDropEvent dropEvent(event->pos().toPoint(), event->possibleActions(), event->mimeData(), event->buttons(), event->modifiers());
1340     dropUrls(destUrl, &dropEvent, this);
1341
1342     setActive(true);
1343 }
1344
1345 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1346 {
1347     KIO::DropJob *job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1348
1349     if (job) {
1350         connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
1351
1352         if (destUrl == url()) {
1353             // Mark the dropped urls as selected.
1354             m_clearSelectionBeforeSelectingNewItems = true;
1355             m_markFirstNewlySelectedItemAsCurrent = true;
1356             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1357         }
1358     }
1359 }
1360
1361 void DolphinView::slotModelChanged(KItemModelBase *current, KItemModelBase *previous)
1362 {
1363     if (previous != nullptr) {
1364         Q_ASSERT(qobject_cast<KFileItemModel *>(previous));
1365         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(previous);
1366         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1367         m_versionControlObserver->setModel(nullptr);
1368     }
1369
1370     if (current) {
1371         Q_ASSERT(qobject_cast<KFileItemModel *>(current));
1372         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(current);
1373         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1374         m_versionControlObserver->setModel(fileItemModel);
1375     }
1376 }
1377
1378 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1379 {
1380     Q_UNUSED(itemIndex)
1381
1382     hideToolTip();
1383
1384     if (buttons & Qt::BackButton) {
1385         Q_EMIT goBackRequested();
1386     } else if (buttons & Qt::ForwardButton) {
1387         Q_EMIT goForwardRequested();
1388     }
1389 }
1390
1391 void DolphinView::slotSelectedItemTextPressed(int index)
1392 {
1393     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1394         const KFileItem item = m_model->fileItem(index);
1395         const KFileItemListProperties capabilities(KFileItemList() << item);
1396         if (capabilities.supportsMoving()) {
1397             m_twoClicksRenamingItemUrl = item.url();
1398             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1399         }
1400     }
1401 }
1402
1403 void DolphinView::slotCopyingDone(KIO::Job *, const QUrl &, const QUrl &to)
1404 {
1405     slotItemCreated(to);
1406 }
1407
1408 void DolphinView::slotItemCreated(const QUrl &url)
1409 {
1410     if (m_markFirstNewlySelectedItemAsCurrent) {
1411         markUrlAsCurrent(url);
1412         m_markFirstNewlySelectedItemAsCurrent = false;
1413     }
1414     m_selectedUrls << url;
1415 }
1416
1417 void DolphinView::slotJobResult(KJob *job)
1418 {
1419     if (job->error() && job->error() != KIO::ERR_USER_CANCELED) {
1420         Q_EMIT errorMessage(job->errorString());
1421     }
1422     if (!m_selectedUrls.isEmpty()) {
1423         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1424     }
1425 }
1426
1427 void DolphinView::slotSelectionChanged(const KItemSet &current, const KItemSet &previous)
1428 {
1429     m_selectNextItem = false;
1430     const int currentCount = current.count();
1431     const int previousCount = previous.count();
1432     const bool selectionStateChanged = (currentCount == 0 && previousCount > 0) || (currentCount > 0 && previousCount == 0);
1433
1434     // If nothing has been selected before and something got selected (or if something
1435     // was selected before and now nothing is selected) the selectionChangedSignal must
1436     // be emitted asynchronously as fast as possible to update the edit-actions.
1437     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1438     m_selectionChangedTimer->start();
1439 }
1440
1441 void DolphinView::emitSelectionChangedSignal()
1442 {
1443     m_selectionChangedTimer->stop();
1444     Q_EMIT selectionChanged(selectedItems());
1445 }
1446
1447 void DolphinView::slotStatJobResult(KJob *job)
1448 {
1449     int folderCount = 0;
1450     int fileCount = 0;
1451     KIO::filesize_t totalFileSize = 0;
1452     bool countFileSize = true;
1453
1454     const auto entry = static_cast<KIO::StatJob *>(job)->statResult();
1455     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1456         // We have a precomputed value.
1457         totalFileSize = static_cast<KIO::filesize_t>(entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1458         countFileSize = false;
1459     }
1460
1461     const int itemCount = m_model->count();
1462     for (int i = 0; i < itemCount; ++i) {
1463         const KFileItem item = m_model->fileItem(i);
1464         if (item.isDir()) {
1465             ++folderCount;
1466         } else {
1467             ++fileCount;
1468             if (countFileSize) {
1469                 totalFileSize += item.size();
1470             }
1471         }
1472     }
1473     emitStatusBarText(folderCount, fileCount, totalFileSize, NoSelection);
1474 }
1475
1476 void DolphinView::updateSortRole(const QByteArray &role)
1477 {
1478     ViewProperties props(viewPropertiesUrl());
1479     props.setSortRole(role);
1480
1481     KItemModelBase *model = m_container->controller()->model();
1482     model->setSortRole(role);
1483
1484     Q_EMIT sortRoleChanged(role);
1485 }
1486
1487 void DolphinView::updateSortOrder(Qt::SortOrder order)
1488 {
1489     ViewProperties props(viewPropertiesUrl());
1490     props.setSortOrder(order);
1491
1492     m_model->setSortOrder(order);
1493
1494     Q_EMIT sortOrderChanged(order);
1495 }
1496
1497 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1498 {
1499     ViewProperties props(viewPropertiesUrl());
1500     props.setSortFoldersFirst(foldersFirst);
1501
1502     m_model->setSortDirectoriesFirst(foldersFirst);
1503
1504     Q_EMIT sortFoldersFirstChanged(foldersFirst);
1505 }
1506
1507 void DolphinView::updateSortHiddenLast(bool hiddenLast)
1508 {
1509     ViewProperties props(viewPropertiesUrl());
1510     props.setSortHiddenLast(hiddenLast);
1511
1512     m_model->setSortHiddenLast(hiddenLast);
1513
1514     Q_EMIT sortHiddenLastChanged(hiddenLast);
1515 }
1516
1517 QPair<bool, QString> DolphinView::pasteInfo() const
1518 {
1519     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1520     QPair<bool, QString> info;
1521     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1522     return info;
1523 }
1524
1525 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1526 {
1527     m_tabsForFiles = tabsForFiles;
1528 }
1529
1530 bool DolphinView::isTabsForFilesEnabled() const
1531 {
1532     return m_tabsForFiles;
1533 }
1534
1535 bool DolphinView::itemsExpandable() const
1536 {
1537     return m_mode == DetailsView;
1538 }
1539
1540 bool DolphinView::isExpanded(const KFileItem &item) const
1541 {
1542     Q_ASSERT(item.isDir());
1543     Q_ASSERT(items().contains(item));
1544     if (!itemsExpandable()) {
1545         return false;
1546     }
1547     return m_model->isExpanded(m_model->index(item));
1548 }
1549
1550 void DolphinView::restoreState(QDataStream &stream)
1551 {
1552     // Read the version number of the view state and check if the version is supported.
1553     quint32 version = 0;
1554     stream >> version;
1555     if (version != 1) {
1556         // The version of the view state isn't supported, we can't restore it.
1557         return;
1558     }
1559
1560     // Restore the current item that had the keyboard focus
1561     stream >> m_currentItemUrl;
1562
1563     // Restore the previously selected items
1564     stream >> m_selectedUrls;
1565
1566     // Restore the view position
1567     stream >> m_restoredContentsPosition;
1568
1569     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1570     QSet<QUrl> urls;
1571     stream >> urls;
1572     m_model->restoreExpandedDirectories(urls);
1573 }
1574
1575 void DolphinView::saveState(QDataStream &stream)
1576 {
1577     stream << quint32(1); // View state version
1578
1579     // Save the current item that has the keyboard focus
1580     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1581     if (currentIndex != -1) {
1582         KFileItem item = m_model->fileItem(currentIndex);
1583         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1584         QUrl currentItemUrl = item.url();
1585         stream << currentItemUrl;
1586     } else {
1587         stream << QUrl();
1588     }
1589
1590     // Save the selected urls
1591     stream << selectedItems().urlList();
1592
1593     // Save view position
1594     const qreal x = m_container->horizontalScrollBar()->value();
1595     const qreal y = m_container->verticalScrollBar()->value();
1596     stream << QPoint(x, y);
1597
1598     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1599     stream << m_model->expandedDirectories();
1600 }
1601
1602 KFileItem DolphinView::rootItem() const
1603 {
1604     return m_model->rootItem();
1605 }
1606
1607 void DolphinView::setViewPropertiesContext(const QString &context)
1608 {
1609     m_viewPropertiesContext = context;
1610 }
1611
1612 QString DolphinView::viewPropertiesContext() const
1613 {
1614     return m_viewPropertiesContext;
1615 }
1616
1617 QUrl DolphinView::openItemAsFolderUrl(const KFileItem &item, const bool browseThroughArchives)
1618 {
1619     if (item.isNull()) {
1620         return QUrl();
1621     }
1622
1623     QUrl url = item.targetUrl();
1624
1625     if (item.isDir()) {
1626         return url;
1627     }
1628
1629     if (item.isMimeTypeKnown()) {
1630         const QString &mimetype = item.mimetype();
1631
1632         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1633             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1634             // zip:/<path>/ when clicking on a zip file, etc.
1635             // The .protocol file specifies the mimetype that the kioslave handles.
1636             // Note that we don't use mimetype inheritance since we don't want to
1637             // open OpenDocument files as zip folders...
1638             const QString &protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1639             if (!protocol.isEmpty()) {
1640                 url.setScheme(protocol);
1641                 return url;
1642             }
1643         }
1644
1645         if (mimetype == QLatin1String("application/x-desktop")) {
1646             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1647             KDesktopFile desktopFile(url.toLocalFile());
1648             if (desktopFile.hasLinkType()) {
1649                 const QString linkUrl = desktopFile.readUrl();
1650                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1651                     return QUrl::fromUserInput(linkUrl);
1652                 }
1653             }
1654         }
1655     }
1656
1657     return QUrl();
1658 }
1659
1660 void DolphinView::resetZoomLevel()
1661 {
1662     ViewModeSettings settings{m_mode};
1663     settings.useDefaults(true);
1664     const int defaultIconSize = settings.iconSize();
1665     settings.useDefaults(false);
1666
1667     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(QSize(defaultIconSize, defaultIconSize)));
1668 }
1669
1670 void DolphinView::observeCreatedItem(const QUrl &url)
1671 {
1672     if (m_active) {
1673         forceUrlsSelection(url, {url});
1674     }
1675 }
1676
1677 void DolphinView::slotDirectoryRedirection(const QUrl &oldUrl, const QUrl &newUrl)
1678 {
1679     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1680         Q_EMIT redirection(oldUrl, newUrl);
1681         m_url = newUrl; // #186947
1682     }
1683 }
1684
1685 void DolphinView::updateViewState()
1686 {
1687     if (m_currentItemUrl != QUrl()) {
1688         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1689
1690         // if there is a selection already, leave it that way
1691         if (!selectionManager->hasSelection()) {
1692             const int currentIndex = m_model->index(m_currentItemUrl);
1693             if (currentIndex != -1) {
1694                 selectionManager->setCurrentItem(currentIndex);
1695
1696                 // scroll to current item and reset the state
1697                 if (m_scrollToCurrentItem) {
1698                     m_view->scrollToItem(currentIndex);
1699                     m_scrollToCurrentItem = false;
1700                 }
1701                 m_currentItemUrl = QUrl();
1702             } else {
1703                 selectionManager->setCurrentItem(0);
1704             }
1705         } else {
1706             m_currentItemUrl = QUrl();
1707         }
1708     }
1709
1710     if (!m_restoredContentsPosition.isNull()) {
1711         const int x = m_restoredContentsPosition.x();
1712         const int y = m_restoredContentsPosition.y();
1713         m_restoredContentsPosition = QPoint();
1714
1715         m_container->horizontalScrollBar()->setValue(x);
1716         m_container->verticalScrollBar()->setValue(y);
1717     }
1718
1719     if (!m_selectedUrls.isEmpty()) {
1720         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1721
1722         // if there is a selection already, leave it that way
1723         if (!selectionManager->hasSelection()) {
1724             if (m_clearSelectionBeforeSelectingNewItems) {
1725                 selectionManager->clearSelection();
1726                 m_clearSelectionBeforeSelectingNewItems = false;
1727             }
1728
1729             KItemSet selectedItems = selectionManager->selectedItems();
1730
1731             QList<QUrl>::iterator it = m_selectedUrls.begin();
1732             while (it != m_selectedUrls.end()) {
1733                 const int index = m_model->index(*it);
1734                 if (index >= 0) {
1735                     selectedItems.insert(index);
1736                     it = m_selectedUrls.erase(it);
1737                 } else {
1738                     ++it;
1739                 }
1740             }
1741
1742             if (!selectedItems.isEmpty()) {
1743                 selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1744                 selectionManager->setSelectedItems(selectedItems);
1745             }
1746         }
1747     }
1748 }
1749
1750 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1751 {
1752     if (GeneralSettings::showToolTips()) {
1753 #if HAVE_BALOO
1754         m_toolTipManager->hideToolTip(behavior);
1755 #else
1756         Q_UNUSED(behavior)
1757 #endif
1758     } else if (m_mode == DolphinView::IconsView) {
1759         QToolTip::hideText();
1760     }
1761 }
1762
1763 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1764 {
1765     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1766
1767     // verify that only one item is selected
1768     if (selectionManager->selectedItems().count() == 1) {
1769         const int index = selectionManager->currentItem();
1770         const QUrl fileItemUrl = m_model->fileItem(index).url();
1771
1772         // check if the selected item was the same item that started the twoClicksRenaming
1773         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1774             renameSelectedItems();
1775         }
1776     }
1777 }
1778
1779 void DolphinView::slotTrashFileFinished(KJob *job)
1780 {
1781     if (job->error() == 0) {
1782         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1783         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1784     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1785         Q_EMIT errorMessage(job->errorString());
1786     }
1787 }
1788
1789 void DolphinView::slotDeleteFileFinished(KJob *job)
1790 {
1791     if (job->error() == 0) {
1792         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1793         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1794     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1795         Q_EMIT errorMessage(job->errorString());
1796     }
1797 }
1798
1799 void DolphinView::selectNextItem()
1800 {
1801     if (m_active && m_selectNextItem) {
1802         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1803         if (selectedItems().isEmpty()) {
1804             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1805             return;
1806         }
1807         const auto lastSelectedIndex = m_model->index(selectedItems().last());
1808         if (lastSelectedIndex < 0) {
1809             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1810             return;
1811         }
1812         auto nextItem = lastSelectedIndex + 1;
1813         if (nextItem >= itemsCount()) {
1814             nextItem = lastSelectedIndex - selectedItemsCount();
1815         }
1816         if (nextItem >= 0) {
1817             selectionManager->setSelected(nextItem, 1);
1818         }
1819         m_selectNextItem = false;
1820     }
1821 }
1822
1823 void DolphinView::slotRenamingResult(KJob *job)
1824 {
1825     if (job->error()) {
1826         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1827         Q_ASSERT(copyJob);
1828         const QUrl newUrl = copyJob->destUrl();
1829         const int index = m_model->index(newUrl);
1830         if (index >= 0) {
1831             QHash<QByteArray, QVariant> data;
1832             const QUrl oldUrl = copyJob->srcUrls().at(0);
1833             data.insert("text", oldUrl.fileName());
1834             m_model->setData(index, data);
1835         }
1836     }
1837 }
1838
1839 void DolphinView::slotDirectoryLoadingStarted()
1840 {
1841     m_loadingState = LoadingState::Loading;
1842     updatePlaceholderLabel();
1843
1844     // Disable the writestate temporary until it can be determined in a fast way
1845     // in DolphinView::slotDirectoryLoadingCompleted()
1846     if (m_isFolderWritable) {
1847         m_isFolderWritable = false;
1848         Q_EMIT writeStateChanged(m_isFolderWritable);
1849     }
1850
1851     Q_EMIT directoryLoadingStarted();
1852 }
1853
1854 void DolphinView::slotDirectoryLoadingCompleted()
1855 {
1856     m_loadingState = LoadingState::Completed;
1857
1858     // Update the view-state. This has to be done asynchronously
1859     // because the view might not be in its final state yet.
1860     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1861
1862     // Update the placeholder label in case we found that the folder was empty
1863     // after loading it
1864
1865     Q_EMIT directoryLoadingCompleted();
1866
1867     updatePlaceholderLabel();
1868     updateWritableState();
1869 }
1870
1871 void DolphinView::slotDirectoryLoadingCanceled()
1872 {
1873     m_loadingState = LoadingState::Canceled;
1874
1875     updatePlaceholderLabel();
1876
1877     Q_EMIT directoryLoadingCanceled();
1878 }
1879
1880 void DolphinView::slotItemsChanged()
1881 {
1882     m_assureVisibleCurrentIndex = false;
1883 }
1884
1885 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1886 {
1887     Q_UNUSED(previous)
1888     Q_ASSERT(m_model->sortOrder() == current);
1889
1890     ViewProperties props(viewPropertiesUrl());
1891     props.setSortOrder(current);
1892
1893     Q_EMIT sortOrderChanged(current);
1894 }
1895
1896 void DolphinView::slotSortRoleChangedByHeader(const QByteArray &current, const QByteArray &previous)
1897 {
1898     Q_UNUSED(previous)
1899     Q_ASSERT(m_model->sortRole() == current);
1900
1901     ViewProperties props(viewPropertiesUrl());
1902     props.setSortRole(current);
1903
1904     Q_EMIT sortRoleChanged(current);
1905 }
1906
1907 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray> &current, const QList<QByteArray> &previous)
1908 {
1909     Q_UNUSED(previous)
1910     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1911
1912     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1913
1914     m_visibleRoles = current;
1915
1916     ViewProperties props(viewPropertiesUrl());
1917     props.setVisibleRoles(m_visibleRoles);
1918
1919     Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1920 }
1921
1922 void DolphinView::slotRoleEditingCanceled()
1923 {
1924     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1925 }
1926
1927 void DolphinView::slotRoleEditingFinished(int index, const QByteArray &role, const QVariant &value)
1928 {
1929     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1930
1931     const KFileItemList items = selectedItems();
1932     if (items.count() != 1) {
1933         return;
1934     }
1935
1936     if (role == "text") {
1937         const KFileItem oldItem = items.first();
1938         const EditResult retVal = value.value<EditResult>();
1939         const QString newName = retVal.newName;
1940         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1941             const QUrl oldUrl = oldItem.url();
1942
1943             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1944             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1945
1946 #ifndef Q_OS_WIN
1947             // Confirm hiding file/directory by renaming inline
1948             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1949                 KGuiItem yesGuiItem(i18nc("@action:button", "Rename and Hide"), QStringLiteral("view-hidden"));
1950
1951 #if KWIDGETSADDONS_VERSION >= QT_VERSION_CHECK(5, 100, 0)
1952                 const auto code =
1953                     KMessageBox::questionTwoActions(this,
1954 #else
1955                 const auto code =
1956                     KMessageBox::questionYesNo(this,
1957 #endif
1958                                                     oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1959                                                                             "Do you still want to rename it?")
1960                                                                      : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1961                                                                             "Do you still want to rename it?"),
1962                                                     oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
1963                                                     yesGuiItem,
1964                                                     KStandardGuiItem::cancel(),
1965                                                     QStringLiteral("ConfirmHide"));
1966
1967 #if KWIDGETSADDONS_VERSION >= QT_VERSION_CHECK(5, 100, 0)
1968                 if (code == KMessageBox::SecondaryAction) {
1969 #else
1970                 if (code == KMessageBox::No) {
1971 #endif
1972                     return;
1973                 }
1974             }
1975 #endif
1976
1977             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1978             if (!newNameExistsAlready && m_model->index(oldUrl) == index) {
1979                 // Only change the data in the model if no item with the new name
1980                 // is in the model yet. If there is an item with the new name
1981                 // already, calling KIO::CopyJob will open a dialog
1982                 // asking for a new name, and KFileItemModel will update the
1983                 // data when the dir lister signals that the file name has changed.
1984                 QHash<QByteArray, QVariant> data;
1985                 data.insert(role, retVal.newName);
1986                 m_model->setData(index, data);
1987             }
1988
1989             KIO::Job *job = KIO::moveAs(oldUrl, newUrl);
1990             KJobWidgets::setWindow(job, this);
1991             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1992             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
1993
1994             forceUrlsSelection(newUrl, {newUrl});
1995
1996             if (!newNameExistsAlready) {
1997                 // Only connect the result signal if there is no item with the new name
1998                 // in the model yet, see bug 328262.
1999                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
2000             }
2001         }
2002         if (retVal.direction != EditDone) {
2003             const short indexShift = retVal.direction == EditNext ? 1 : -1;
2004             m_container->controller()->selectionManager()->setSelected(index, 1, KItemListSelectionManager::Deselect);
2005             m_container->controller()->selectionManager()->setSelected(index + indexShift, 1, KItemListSelectionManager::Select);
2006             renameSelectedItems();
2007         }
2008     }
2009 }
2010
2011 void DolphinView::loadDirectory(const QUrl &url, bool reload)
2012 {
2013     if (!url.isValid()) {
2014         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
2015         if (location.isEmpty()) {
2016             Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."));
2017         } else {
2018             Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
2019         }
2020         return;
2021     }
2022
2023     if (reload) {
2024         m_model->refreshDirectory(url);
2025     } else {
2026         m_model->loadDirectory(url);
2027     }
2028 }
2029
2030 void DolphinView::applyViewProperties()
2031 {
2032     const ViewProperties props(viewPropertiesUrl());
2033     applyViewProperties(props);
2034 }
2035
2036 void DolphinView::applyViewProperties(const ViewProperties &props)
2037 {
2038     m_view->beginTransaction();
2039
2040     const Mode mode = props.viewMode();
2041     if (m_mode != mode) {
2042         const Mode previousMode = m_mode;
2043         m_mode = mode;
2044
2045         // Changing the mode might result in changing
2046         // the zoom level. Remember the old zoom level so
2047         // that zoomLevelChanged() can get emitted.
2048         const int oldZoomLevel = m_view->zoomLevel();
2049         applyModeToView();
2050
2051         Q_EMIT modeChanged(m_mode, previousMode);
2052
2053         if (m_view->zoomLevel() != oldZoomLevel) {
2054             Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
2055         }
2056     }
2057
2058     const bool hiddenFilesShown = props.hiddenFilesShown();
2059     if (hiddenFilesShown != m_model->showHiddenFiles()) {
2060         m_model->setShowHiddenFiles(hiddenFilesShown);
2061         Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
2062     }
2063
2064     const bool groupedSorting = props.groupedSorting();
2065     if (groupedSorting != m_model->groupedSorting()) {
2066         m_model->setGroupedSorting(groupedSorting);
2067         Q_EMIT groupedSortingChanged(groupedSorting);
2068     }
2069
2070     const QByteArray sortRole = props.sortRole();
2071     if (sortRole != m_model->sortRole()) {
2072         m_model->setSortRole(sortRole);
2073         Q_EMIT sortRoleChanged(sortRole);
2074     }
2075
2076     const Qt::SortOrder sortOrder = props.sortOrder();
2077     if (sortOrder != m_model->sortOrder()) {
2078         m_model->setSortOrder(sortOrder);
2079         Q_EMIT sortOrderChanged(sortOrder);
2080     }
2081
2082     const bool sortFoldersFirst = props.sortFoldersFirst();
2083     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
2084         m_model->setSortDirectoriesFirst(sortFoldersFirst);
2085         Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
2086     }
2087
2088     const bool sortHiddenLast = props.sortHiddenLast();
2089     if (sortHiddenLast != m_model->sortHiddenLast()) {
2090         m_model->setSortHiddenLast(sortHiddenLast);
2091         Q_EMIT sortHiddenLastChanged(sortHiddenLast);
2092     }
2093
2094     const QList<QByteArray> visibleRoles = props.visibleRoles();
2095     if (visibleRoles != m_visibleRoles) {
2096         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
2097         m_visibleRoles = visibleRoles;
2098         m_view->setVisibleRoles(visibleRoles);
2099         Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
2100     }
2101
2102     const bool previewsShown = props.previewsShown();
2103     if (previewsShown != m_view->previewsShown()) {
2104         const int oldZoomLevel = zoomLevel();
2105
2106         m_view->setPreviewsShown(previewsShown);
2107         Q_EMIT previewsShownChanged(previewsShown);
2108
2109         // Changing the preview-state might result in a changed zoom-level
2110         if (oldZoomLevel != zoomLevel()) {
2111             Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
2112         }
2113     }
2114
2115     KItemListView *itemListView = m_container->controller()->view();
2116     if (itemListView->isHeaderVisible()) {
2117         KItemListHeader *header = itemListView->header();
2118         const QList<int> headerColumnWidths = props.headerColumnWidths();
2119         const int rolesCount = m_visibleRoles.count();
2120         if (headerColumnWidths.count() == rolesCount) {
2121             header->setAutomaticColumnResizing(false);
2122
2123             QHash<QByteArray, qreal> columnWidths;
2124             for (int i = 0; i < rolesCount; ++i) {
2125                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
2126             }
2127             header->setColumnWidths(columnWidths);
2128         } else {
2129             header->setAutomaticColumnResizing(true);
2130         }
2131         header->setSidePadding(DetailsModeSettings::sidePadding());
2132     }
2133
2134     m_view->endTransaction();
2135 }
2136
2137 void DolphinView::applyModeToView()
2138 {
2139     switch (m_mode) {
2140     case IconsView:
2141         m_view->setItemLayout(KFileItemListView::IconsLayout);
2142         break;
2143     case CompactView:
2144         m_view->setItemLayout(KFileItemListView::CompactLayout);
2145         break;
2146     case DetailsView:
2147         m_view->setItemLayout(KFileItemListView::DetailsLayout);
2148         break;
2149     default:
2150         Q_ASSERT(false);
2151         break;
2152     }
2153 }
2154
2155 void DolphinView::pasteToUrl(const QUrl &url)
2156 {
2157     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
2158     KJobWidgets::setWindow(job, this);
2159     m_clearSelectionBeforeSelectingNewItems = true;
2160     m_markFirstNewlySelectedItemAsCurrent = true;
2161     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
2162     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotJobResult);
2163 }
2164
2165 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
2166 {
2167     QList<QUrl> urls;
2168
2169     const KFileItemList items = selectedItems();
2170     urls.reserve(items.count());
2171     for (const KFileItem &item : items) {
2172         urls.append(item.url());
2173     }
2174
2175     if (itemsExpandable()) {
2176         // TODO: Check if we still need KDirModel for this in KDE 5.0
2177         urls = KDirModel::simplifiedUrlList(urls);
2178     }
2179
2180     return urls;
2181 }
2182
2183 QMimeData *DolphinView::selectionMimeData() const
2184 {
2185     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
2186     const KItemSet selectedIndexes = selectionManager->selectedItems();
2187
2188     return m_model->createMimeData(selectedIndexes);
2189 }
2190
2191 void DolphinView::updateWritableState()
2192 {
2193     const bool wasFolderWritable = m_isFolderWritable;
2194     m_isFolderWritable = false;
2195
2196     KFileItem item = m_model->rootItem();
2197     if (item.isNull()) {
2198         // Try to find out if the URL is writable even if the "root item" is
2199         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
2200         item = KFileItem(url());
2201         item.setDelayedMimeTypes(true);
2202     }
2203
2204     KFileItemListProperties capabilities(KFileItemList() << item);
2205     m_isFolderWritable = capabilities.supportsWriting();
2206
2207     if (m_isFolderWritable != wasFolderWritable) {
2208         Q_EMIT writeStateChanged(m_isFolderWritable);
2209     }
2210 }
2211
2212 QUrl DolphinView::viewPropertiesUrl() const
2213 {
2214     if (m_viewPropertiesContext.isEmpty()) {
2215         return m_url;
2216     }
2217
2218     QUrl url;
2219     url.setScheme(m_url.scheme());
2220     url.setPath(m_viewPropertiesContext);
2221     return url;
2222 }
2223
2224 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl> &urls)
2225 {
2226     forceUrlsSelection(urls.first(), urls);
2227 }
2228
2229 void DolphinView::forceUrlsSelection(const QUrl &current, const QList<QUrl> &selected)
2230 {
2231     clearSelection();
2232     m_clearSelectionBeforeSelectingNewItems = true;
2233     markUrlAsCurrent(current);
2234     markUrlsAsSelected(selected);
2235 }
2236
2237 void DolphinView::copyPathToClipboard()
2238 {
2239     const KFileItemList list = selectedItems();
2240     if (list.isEmpty()) {
2241         return;
2242     }
2243     const KFileItem &item = list.at(0);
2244     QString path = item.localPath();
2245     if (path.isEmpty()) {
2246         path = item.url().toDisplayString();
2247     }
2248     QClipboard *clipboard = QApplication::clipboard();
2249     if (clipboard == nullptr) {
2250         return;
2251     }
2252     clipboard->setText(path);
2253 }
2254
2255 void DolphinView::slotIncreaseZoom()
2256 {
2257     setZoomLevel(zoomLevel() + 1);
2258 }
2259
2260 void DolphinView::slotDecreaseZoom()
2261 {
2262     setZoomLevel(zoomLevel() - 1);
2263 }
2264
2265 void DolphinView::slotSwipeUp()
2266 {
2267     Q_EMIT goUpRequested();
2268 }
2269
2270 void DolphinView::showLoadingPlaceholder()
2271 {
2272     m_placeholderLabel->setText(i18n("Loading..."));
2273     m_placeholderLabel->setVisible(true);
2274 }
2275
2276 void DolphinView::updatePlaceholderLabel()
2277 {
2278     m_showLoadingPlaceholderTimer->stop();
2279     if (itemsCount() > 0) {
2280         m_placeholderLabel->setVisible(false);
2281         return;
2282     }
2283
2284     if (m_loadingState == LoadingState::Loading) {
2285         m_placeholderLabel->setVisible(false);
2286         m_showLoadingPlaceholderTimer->start();
2287         return;
2288     }
2289
2290     if (m_loadingState == LoadingState::Canceled) {
2291         m_placeholderLabel->setText(i18n("Loading canceled"));
2292     } else if (!nameFilter().isEmpty()) {
2293         m_placeholderLabel->setText(i18n("No items matching the filter"));
2294     } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
2295         m_placeholderLabel->setText(i18n("No items matching the search"));
2296     } else if (m_url.scheme() == QLatin1String("trash") && m_url.path() == QLatin1String("/")) {
2297         m_placeholderLabel->setText(i18n("Trash is empty"));
2298     } else if (m_url.scheme() == QLatin1String("tags")) {
2299         if (m_url.path() == QLatin1Char('/')) {
2300             m_placeholderLabel->setText(i18n("No tags"));
2301         } else {
2302             const QString tagName = m_url.path().mid(1); // Remove leading /
2303             m_placeholderLabel->setText(i18n("No files tagged with \"%1\"", tagName));
2304         }
2305
2306     } else if (m_url.scheme() == QLatin1String("recentlyused")) {
2307         m_placeholderLabel->setText(i18n("No recently used items"));
2308     } else if (m_url.scheme() == QLatin1String("smb")) {
2309         m_placeholderLabel->setText(i18n("No shared folders found"));
2310     } else if (m_url.scheme() == QLatin1String("network")) {
2311         m_placeholderLabel->setText(i18n("No relevant network resources found"));
2312     } else if (m_url.scheme() == QLatin1String("mtp") && m_url.path() == QLatin1String("/")) {
2313         m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
2314     } else if (m_url.scheme() == QLatin1String("afc") && m_url.path() == QLatin1String("/")) {
2315         m_placeholderLabel->setText(i18n("No Apple devices found"));
2316     } else if (m_url.scheme() == QLatin1String("bluetooth")) {
2317         m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
2318     } else {
2319         m_placeholderLabel->setText(i18n("Folder is empty"));
2320     }
2321
2322     m_placeholderLabel->setVisible(true);
2323 }
2324
2325 bool DolphinView::tryShowNameToolTip(QHelpEvent *event)
2326 {
2327     if (!GeneralSettings::showToolTips() && m_mode == DolphinView::IconsView) {
2328         const std::optional<int> index = m_view->itemAt(event->pos());
2329
2330         if (!index.has_value()) {
2331             return false;
2332         }
2333
2334         // Check whether the filename has been elided
2335         const bool isElided = m_view->isElided(index.value());
2336
2337         if (isElided) {
2338             const KFileItem item = m_model->fileItem(index.value());
2339             const QString text = item.text();
2340             const QPoint pos = mapToGlobal(event->pos());
2341             QToolTip::showText(pos, text);
2342             return true;
2343         }
2344     }
2345     return false;
2346 }