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