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