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/DeleteOrTrashJob>
  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 <QAbstractItemView>
  53 #include <QActionGroup>
  54 #include <QApplication>
  55 #include <QClipboard>
  56 #include <QDropEvent>
  57 #include <QGraphicsOpacityEffect>
  58 #include <QGraphicsSceneDragDropEvent>
  59 #include <QLabel>
  60 #include <QMenu>
  61 #include <QMimeDatabase>
  62 #include <QPixmapCache>
  63 #include <QScrollBar>
  64 #include <QSize>
  65 #include <QTimer>
  66 #include <QToolTip>
  67 #include <QVBoxLayout>
  68
  69 DolphinView::DolphinView(const QUrl &url, QWidget *parent)
  70     : QWidget(parent)
  71     , m_active(true)
  72     , m_tabsForFiles(false)
  73     , m_assureVisibleCurrentIndex(false)
  74     , m_isFolderWritable(true)
  75     , m_dragging(false)
  76     , m_selectNextItem(false)
  77     , m_url(url)
  78     , m_viewPropertiesContext()
  79     , m_mode(DolphinView::IconsView)
  80     , m_visibleRoles()
  81     , m_topLayout(nullptr)
  82     , m_model(nullptr)
  83     , m_view(nullptr)
  84     , m_container(nullptr)
  85     , m_toolTipManager(nullptr)
  86     , m_selectionChangedTimer(nullptr)
  87     , m_currentItemUrl()
  88     , m_scrollToCurrentItem(false)
  89     , m_restoredContentsPosition()
  90     , m_controlWheelAccumulatedDelta(0)
  91     , m_selectedUrls()
  92     , m_clearSelectionBeforeSelectingNewItems(false)
  93     , m_markFirstNewlySelectedItemAsCurrent(false)
  94     , m_versionControlObserver(nullptr)
  95     , m_twoClicksRenamingTimer(nullptr)
  96     , m_placeholderLabel(nullptr)
  97     , m_showLoadingPlaceholderTimer(nullptr)
  98 {
  99     m_topLayout = new QVBoxLayout(this);
 100     m_topLayout->setSpacing(0);
 101     m_topLayout->setContentsMargins(0, 0, 0, 0);
 102
 103     // When a new item has been created by the "Create New..." menu, the item should
 104     // get selected and it must be assured that the item will get visible. As the
 105     // creation is done asynchronously, several signals must be checked:
 106     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated, this, &DolphinView::observeCreatedItem);
 107
 108     m_selectionChangedTimer = new QTimer(this);
 109     m_selectionChangedTimer->setSingleShot(true);
 110     m_selectionChangedTimer->setInterval(300);
 111     connect(m_selectionChangedTimer, &QTimer::timeout, this, &DolphinView::emitSelectionChangedSignal);
 112
 113     m_model = new KFileItemModel(this);
 114     m_view = new DolphinItemListView();
 115     m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::FollowSetting);
 116     m_view->setVisibleRoles({"text"});
 117     applyModeToView();
 118
 119     KItemListController *controller = new KItemListController(m_model, m_view, this);
 120     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 121     controller->setAutoActivationDelay(delay);
 122
 123     // The EnlargeSmallPreviews setting can only be changed after the model
 124     // has been set in the view by KItemListController.
 125     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 126
 127     m_container = new KItemListContainer(controller, this);
 128     m_container->installEventFilter(this);
 129     setFocusProxy(m_container);
 130     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, [=] {
 131         hideToolTip();
 132     });
 133     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, [=] {
 134         hideToolTip();
 135     });
 136
 137     m_showLoadingPlaceholderTimer = new QTimer(this);
 138     m_showLoadingPlaceholderTimer->setInterval(500);
 139     m_showLoadingPlaceholderTimer->setSingleShot(true);
 140     connect(m_showLoadingPlaceholderTimer, &QTimer::timeout, this, &DolphinView::showLoadingPlaceholder);
 141
 142     // Show some placeholder text for empty folders
 143     // This is made using a heavily-modified QLabel rather than a KTitleWidget
 144     // because KTitleWidget can't be told to turn off mouse-selectable text
 145     m_placeholderLabel = new QLabel(this);
 146     QFont placeholderLabelFont;
 147     // To match the size of a level 2 Heading/KTitleWidget
 148     placeholderLabelFont.setPointSize(qRound(placeholderLabelFont.pointSize() * 1.3));
 149     m_placeholderLabel->setFont(placeholderLabelFont);
 150     m_placeholderLabel->setTextInteractionFlags(Qt::NoTextInteraction);
 151     m_placeholderLabel->setWordWrap(true);
 152     m_placeholderLabel->setAlignment(Qt::AlignCenter);
 153     // Match opacity of QML placeholder label component
 154     auto *effect = new QGraphicsOpacityEffect(m_placeholderLabel);
 155     effect->setOpacity(0.5);
 156     m_placeholderLabel->setGraphicsEffect(effect);
 157     // Set initial text and visibility
 158     updatePlaceholderLabel();
 159
 160     auto *centeringLayout = new QVBoxLayout(m_container);
 161     centeringLayout->addWidget(m_placeholderLabel);
 162     centeringLayout->setAlignment(m_placeholderLabel, Qt::AlignCenter);
 163     m_placeholderLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 164     connect(m_placeholderLabel, &QWidget::customContextMenuRequested, this, [this](const QPoint &pos) {
 165         slotViewContextMenuRequested(m_placeholderLabel->mapToGlobal(pos));
 166     });
 167
 168     controller->setSelectionBehavior(KItemListController::MultiSelection);
 169     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 170     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 171     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 172     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 173     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 174     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 175     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 176     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 177     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 178     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 179     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 180     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 181     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 182     connect(controller, &KItemListController::increaseZoom, this, &DolphinView::slotIncreaseZoom);
 183     connect(controller, &KItemListController::decreaseZoom, this, &DolphinView::slotDecreaseZoom);
 184     connect(controller, &KItemListController::swipeUp, this, &DolphinView::slotSwipeUp);
 185     connect(controller, &KItemListController::selectionModeChangeRequested, this, &DolphinView::selectionModeChangeRequested);
 186
 187     connect(m_model, &KFileItemModel::directoryLoadingStarted, this, &DolphinView::slotDirectoryLoadingStarted);
 188     connect(m_model, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
 189     connect(m_model, &KFileItemModel::directoryLoadingCanceled, this, &DolphinView::slotDirectoryLoadingCanceled);
 190     connect(m_model, &KFileItemModel::directoryLoadingProgress, this, &DolphinView::directoryLoadingProgress);
 191     connect(m_model, &KFileItemModel::directorySortingProgress, this, &DolphinView::directorySortingProgress);
 192     connect(m_model, &KFileItemModel::itemsChanged, this, &DolphinView::slotItemsChanged);
 193     connect(m_model, &KFileItemModel::itemsRemoved, this, &DolphinView::itemCountChanged);
 194     connect(m_model, &KFileItemModel::itemsInserted, this, &DolphinView::itemCountChanged);
 195     connect(m_model, &KFileItemModel::infoMessage, this, &DolphinView::infoMessage);
 196     connect(m_model, &KFileItemModel::errorMessage, this, &DolphinView::errorMessage);
 197     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 198     connect(m_model, &KFileItemModel::urlIsFileError, this, &DolphinView::urlIsFileError);
 199     connect(m_model, &KFileItemModel::fileItemsChanged, this, &DolphinView::fileItemsChanged);
 200     connect(m_model, &KFileItemModel::currentDirectoryRemoved, this, &DolphinView::currentDirectoryRemoved);
 201
 202     connect(this, &DolphinView::itemCountChanged, this, &DolphinView::updatePlaceholderLabel);
 203
 204     m_view->installEventFilter(this);
 205     connect(m_view, &DolphinItemListView::sortOrderChanged, this, &DolphinView::slotSortOrderChangedByHeader);
 206     connect(m_view, &DolphinItemListView::sortRoleChanged, this, &DolphinView::slotSortRoleChangedByHeader);
 207     connect(m_view, &DolphinItemListView::visibleRolesChanged, this, &DolphinView::slotVisibleRolesChangedByHeader);
 208     connect(m_view, &DolphinItemListView::roleEditingCanceled, this, &DolphinView::slotRoleEditingCanceled);
 209
 210     connect(m_view, &DolphinItemListView::columnHovered, this, [this](int columnIndex) {
 211         m_hoveredColumnHeaderIndex = columnIndex;
 212     });
 213     connect(m_view, &DolphinItemListView::columnUnHovered, this, [this](int /* columnIndex */) {
 214         m_hoveredColumnHeaderIndex = std::nullopt;
 215     });
 216     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished, this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 217     connect(m_view->header(), &KItemListHeader::sidePaddingChanged, this, &DolphinView::slotSidePaddingWidthChanged);
 218
 219     KItemListSelectionManager *selectionManager = controller->selectionManager();
 220     connect(selectionManager, &KItemListSelectionManager::selectionChanged, this, &DolphinView::slotSelectionChanged);
 221
 222 #if HAVE_BALOO
 223     m_toolTipManager = new ToolTipManager(this);
 224     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 225 #endif
 226
 227     m_versionControlObserver = new VersionControlObserver(this);
 228     m_versionControlObserver->setView(this);
 229     m_versionControlObserver->setModel(m_model);
 230     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 231     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 232     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 233
 234     m_twoClicksRenamingTimer = new QTimer(this);
 235     m_twoClicksRenamingTimer->setSingleShot(true);
 236     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 237
 238     applyViewProperties();
 239     m_topLayout->addWidget(m_container);
 240
 241     loadDirectory(url);
 242 }
 243
 244 DolphinView::~DolphinView()
 245 {
 246     disconnect(m_container->controller(), &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 247 }
 248
 249 QUrl DolphinView::url() const
 250 {
 251     return m_url;
 252 }
 253
 254 void DolphinView::setActive(bool active)
 255 {
 256     if (active == m_active) {
 257         return;
 258     }
 259
 260     m_active = active;
 261
 262     updatePalette();
 263
 264     if (active) {
 265         m_container->setFocus();
 266         Q_EMIT activated();
 267         Q_EMIT writeStateChanged(m_isFolderWritable);
 268     }
 269 }
 270
 271 bool DolphinView::isActive() const
 272 {
 273     return m_active;
 274 }
 275
 276 void DolphinView::setViewMode(Mode mode)
 277 {
 278     if (mode != m_mode) {
 279         // Reset scrollbars before changing the view mode.
 280         m_container->horizontalScrollBar()->setValue(0);
 281         m_container->verticalScrollBar()->setValue(0);
 282
 283         ViewProperties props(viewPropertiesUrl());
 284         props.setViewMode(mode);
 285
 286         // We pass the new ViewProperties to applyViewProperties, rather than
 287         // storing them on disk and letting applyViewProperties() read them
 288         // from there, to prevent that changing the view mode fails if the
 289         // .directory file is not writable (see bug 318534).
 290         applyViewProperties(props);
 291     }
 292 }
 293
 294 DolphinView::Mode DolphinView::viewMode() const
 295 {
 296     return m_mode;
 297 }
 298
 299 void DolphinView::setSelectionModeEnabled(const bool enabled)
 300 {
 301     if (enabled) {
 302         if (!m_proxyStyle) {
 303             m_proxyStyle = std::make_unique<SelectionMode::SingleClickSelectionProxyStyle>();
 304         }
 305         setStyle(m_proxyStyle.get());
 306         m_view->setStyle(m_proxyStyle.get());
 307         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::False);
 308     } else {
 309         setStyle(QApplication::style());
 310         m_view->setStyle(QApplication::style());
 311         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::FollowSetting);
 312     }
 313     m_container->controller()->setSelectionModeEnabled(enabled);
 314 }
 315
 316 bool DolphinView::selectionMode() const
 317 {
 318     return m_container->controller()->selectionMode();
 319 }
 320
 321 void DolphinView::setPreviewsShown(bool show)
 322 {
 323     if (previewsShown() == show) {
 324         return;
 325     }
 326
 327     ViewProperties props(viewPropertiesUrl());
 328     props.setPreviewsShown(show);
 329
 330     const int oldZoomLevel = m_view->zoomLevel();
 331     m_view->setPreviewsShown(show);
 332     Q_EMIT previewsShownChanged(show);
 333
 334     const int newZoomLevel = m_view->zoomLevel();
 335     if (newZoomLevel != oldZoomLevel) {
 336         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 337     }
 338 }
 339
 340 bool DolphinView::previewsShown() const
 341 {
 342     return m_view->previewsShown();
 343 }
 344
 345 void DolphinView::setHiddenFilesShown(bool show)
 346 {
 347     if (m_model->showHiddenFiles() == show) {
 348         return;
 349     }
 350
 351     const KFileItemList itemList = selectedItems();
 352     m_selectedUrls.clear();
 353     m_selectedUrls = itemList.urlList();
 354
 355     ViewProperties props(viewPropertiesUrl());
 356     props.setHiddenFilesShown(show);
 357
 358     m_model->setShowHiddenFiles(show);
 359     Q_EMIT hiddenFilesShownChanged(show);
 360 }
 361
 362 bool DolphinView::hiddenFilesShown() const
 363 {
 364     return m_model->showHiddenFiles();
 365 }
 366
 367 void DolphinView::setGroupedSorting(bool grouped)
 368 {
 369     if (grouped == groupedSorting()) {
 370         return;
 371     }
 372
 373     ViewProperties props(viewPropertiesUrl());
 374     props.setGroupedSorting(grouped);
 375     props.save();
 376
 377     m_container->controller()->model()->setGroupedSorting(grouped);
 378
 379     Q_EMIT groupedSortingChanged(grouped);
 380 }
 381
 382 bool DolphinView::groupedSorting() const
 383 {
 384     return m_model->groupedSorting();
 385 }
 386
 387 KFileItemList DolphinView::items() const
 388 {
 389     KFileItemList list;
 390     const int itemCount = m_model->count();
 391     list.reserve(itemCount);
 392
 393     for (int i = 0; i < itemCount; ++i) {
 394         list.append(m_model->fileItem(i));
 395     }
 396
 397     return list;
 398 }
 399
 400 int DolphinView::itemsCount() const
 401 {
 402     return m_model->count();
 403 }
 404
 405 KFileItemList DolphinView::selectedItems() const
 406 {
 407     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 408
 409     KFileItemList selectedItems;
 410     const auto items = selectionManager->selectedItems();
 411     selectedItems.reserve(items.count());
 412     for (int index : items) {
 413         selectedItems.append(m_model->fileItem(index));
 414     }
 415     return selectedItems;
 416 }
 417
 418 int DolphinView::selectedItemsCount() const
 419 {
 420     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 421     return selectionManager->selectedItems().count();
 422 }
 423
 424 void DolphinView::markUrlsAsSelected(const QList<QUrl> &urls)
 425 {
 426     m_selectedUrls = urls;
 427     m_selectJobCreatedItems = false;
 428 }
 429
 430 void DolphinView::markUrlAsCurrent(const QUrl &url)
 431 {
 432     m_currentItemUrl = url;
 433     m_scrollToCurrentItem = true;
 434 }
 435
 436 void DolphinView::selectItems(const QRegularExpression &regexp, bool enabled)
 437 {
 438     const KItemListSelectionManager::SelectionMode mode = enabled ? KItemListSelectionManager::Select : KItemListSelectionManager::Deselect;
 439     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 440
 441     for (int index = 0; index < m_model->count(); index++) {
 442         const KFileItem item = m_model->fileItem(index);
 443         if (regexp.match(item.text()).hasMatch()) {
 444             // An alternative approach would be to store the matching items in a KItemSet and
 445             // select them in one go after the loop, but we'd need a new function
 446             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 447             // for that.
 448             selectionManager->setSelected(index, 1, mode);
 449         }
 450     }
 451 }
 452
 453 void DolphinView::setZoomLevel(int level)
 454 {
 455     const int oldZoomLevel = zoomLevel();
 456     m_view->setZoomLevel(level);
 457     if (zoomLevel() != oldZoomLevel) {
 458         hideToolTip();
 459         Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
 460     }
 461 }
 462
 463 int DolphinView::zoomLevel() const
 464 {
 465     return m_view->zoomLevel();
 466 }
 467
 468 void DolphinView::setSortRole(const QByteArray &role)
 469 {
 470     if (role != sortRole()) {
 471         updateSortRole(role);
 472     }
 473 }
 474
 475 QByteArray DolphinView::sortRole() const
 476 {
 477     const KItemModelBase *model = m_container->controller()->model();
 478     return model->sortRole();
 479 }
 480
 481 void DolphinView::setSortOrder(Qt::SortOrder order)
 482 {
 483     if (sortOrder() != order) {
 484         updateSortOrder(order);
 485     }
 486 }
 487
 488 Qt::SortOrder DolphinView::sortOrder() const
 489 {
 490     return m_model->sortOrder();
 491 }
 492
 493 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 494 {
 495     if (sortFoldersFirst() != foldersFirst) {
 496         updateSortFoldersFirst(foldersFirst);
 497     }
 498 }
 499
 500 bool DolphinView::sortFoldersFirst() const
 501 {
 502     return m_model->sortDirectoriesFirst();
 503 }
 504
 505 void DolphinView::setSortHiddenLast(bool hiddenLast)
 506 {
 507     if (sortHiddenLast() != hiddenLast) {
 508         updateSortHiddenLast(hiddenLast);
 509     }
 510 }
 511
 512 bool DolphinView::sortHiddenLast() const
 513 {
 514     return m_model->sortHiddenLast();
 515 }
 516
 517 void DolphinView::setVisibleRoles(const QList<QByteArray> &roles)
 518 {
 519     const QList<QByteArray> previousRoles = roles;
 520
 521     ViewProperties props(viewPropertiesUrl());
 522     props.setVisibleRoles(roles);
 523
 524     m_visibleRoles = roles;
 525     m_view->setVisibleRoles(roles);
 526
 527     Q_EMIT visibleRolesChanged(m_visibleRoles, previousRoles);
 528 }
 529
 530 QList<QByteArray> DolphinView::visibleRoles() const
 531 {
 532     return m_visibleRoles;
 533 }
 534
 535 void DolphinView::reload()
 536 {
 537     QByteArray viewState;
 538     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 539     saveState(saveStream);
 540
 541     setUrl(url());
 542     loadDirectory(url(), true);
 543
 544     QDataStream restoreStream(viewState);
 545     restoreState(restoreStream);
 546 }
 547
 548 void DolphinView::readSettings()
 549 {
 550     const int oldZoomLevel = m_view->zoomLevel();
 551
 552     GeneralSettings::self()->load();
 553     m_view->readSettings();
 554     applyViewProperties();
 555
 556     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 557     m_container->controller()->setAutoActivationDelay(delay);
 558
 559     const int newZoomLevel = m_view->zoomLevel();
 560     if (newZoomLevel != oldZoomLevel) {
 561         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 562     }
 563 }
 564
 565 void DolphinView::writeSettings()
 566 {
 567     GeneralSettings::self()->save();
 568     m_view->writeSettings();
 569 }
 570
 571 void DolphinView::setNameFilter(const QString &nameFilter)
 572 {
 573     m_model->setNameFilter(nameFilter);
 574 }
 575
 576 QString DolphinView::nameFilter() const
 577 {
 578     return m_model->nameFilter();
 579 }
 580
 581 void DolphinView::setMimeTypeFilters(const QStringList &filters)
 582 {
 583     return m_model->setMimeTypeFilters(filters);
 584 }
 585
 586 QStringList DolphinView::mimeTypeFilters() const
 587 {
 588     return m_model->mimeTypeFilters();
 589 }
 590
 591 void DolphinView::requestStatusBarText()
 592 {
 593     if (m_statJobForStatusBarText) {
 594         // Kill the pending request.
 595         m_statJobForStatusBarText->kill();
 596     }
 597
 598     if (m_container->controller()->selectionManager()->hasSelection()) {
 599         int folderCount = 0;
 600         int fileCount = 0;
 601         KIO::filesize_t totalFileSize = 0;
 602
 603         // Give a summary of the status of the selected files
 604         const KFileItemList list = selectedItems();
 605         for (const KFileItem &item : list) {
 606             if (item.isDir()) {
 607                 ++folderCount;
 608             } else {
 609                 ++fileCount;
 610                 totalFileSize += item.size();
 611             }
 612         }
 613
 614         if (folderCount + fileCount == 1) {
 615             // If only one item is selected, show info about it
 616             Q_EMIT statusBarTextChanged(list.first().getStatusBarInfo());
 617         } else {
 618             // At least 2 items are selected
 619             emitStatusBarText(folderCount, fileCount, totalFileSize, HasSelection);
 620         }
 621     } else { // has no selection
 622         if (!m_model->rootItem().url().isValid()) {
 623             return;
 624         }
 625
 626         m_statJobForStatusBarText = KIO::stat(m_model->rootItem().url(), KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
 627         connect(m_statJobForStatusBarText, &KJob::result, this, &DolphinView::slotStatJobResult);
 628         m_statJobForStatusBarText->start();
 629     }
 630 }
 631
 632 void DolphinView::emitStatusBarText(const int folderCount, const int fileCount, KIO::filesize_t totalFileSize, const Selection selection)
 633 {
 634     QString foldersText;
 635     QString filesText;
 636     QString summary;
 637
 638     if (selection == HasSelection) {
 639         // At least 2 items are selected because the case of 1 selected item is handled in
 640         // DolphinView::requestStatusBarText().
 641         foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 642         filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 643     } else {
 644         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 645         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 646     }
 647
 648     if (fileCount > 0 && folderCount > 0) {
 649         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)", foldersText, filesText, KFormat().formatByteSize(totalFileSize));
 650     } else if (fileCount > 0) {
 651         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, KFormat().formatByteSize(totalFileSize));
 652     } else if (folderCount > 0) {
 653         summary = foldersText;
 654     } else {
 655         summary = i18nc("@info:status", "0 Folders, 0 Files");
 656     }
 657     Q_EMIT statusBarTextChanged(summary);
 658 }
 659
 660 QList<QAction *> DolphinView::versionControlActions(const KFileItemList &items) const
 661 {
 662     QList<QAction *> actions;
 663
 664     if (items.isEmpty()) {
 665         const KFileItem item = m_model->rootItem();
 666         if (!item.isNull()) {
 667             actions = m_versionControlObserver->actions(KFileItemList() << item);
 668         }
 669     } else {
 670         actions = m_versionControlObserver->actions(items);
 671     }
 672
 673     return actions;
 674 }
 675
 676 void DolphinView::setUrl(const QUrl &url)
 677 {
 678     if (url == m_url) {
 679         return;
 680     }
 681
 682     clearSelection();
 683
 684     m_url = url;
 685
 686     hideToolTip();
 687
 688     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 689
 690     // It is important to clear the items from the model before
 691     // applying the view properties, otherwise expensive operations
 692     // might be done on the existing items although they get cleared
 693     // anyhow afterwards by loadDirectory().
 694     m_model->clear();
 695     applyViewProperties();
 696     loadDirectory(url);
 697
 698     Q_EMIT urlChanged(url);
 699 }
 700
 701 void DolphinView::selectAll()
 702 {
 703     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 704     selectionManager->setSelected(0, m_model->count());
 705 }
 706
 707 void DolphinView::invertSelection()
 708 {
 709     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 710     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 711 }
 712
 713 void DolphinView::clearSelection()
 714 {
 715     m_selectJobCreatedItems = false;
 716     m_selectedUrls.clear();
 717     m_container->controller()->selectionManager()->clearSelection();
 718 }
 719
 720 void DolphinView::renameSelectedItems()
 721 {
 722     const KFileItemList items = selectedItems();
 723     if (items.isEmpty()) {
 724         return;
 725     }
 726
 727     if (items.count() == 1 && GeneralSettings::renameInline()) {
 728         const int index = m_model->index(items.first());
 729
 730         QMetaObject::Connection *const connection = new QMetaObject::Connection;
 731         *connection = connect(m_view, &KItemListView::scrollingStopped, this, [=]() {
 732             QObject::disconnect(*connection);
 733             delete connection;
 734
 735             m_view->editRole(index, "text");
 736
 737             hideToolTip();
 738
 739             connect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 740         });
 741         m_view->scrollToItem(index);
 742
 743     } else {
 744         KIO::RenameFileDialog *dialog = new KIO::RenameFileDialog(items, this);
 745         connect(dialog, &KIO::RenameFileDialog::renamingFinished, this, &DolphinView::slotRenameDialogRenamingFinished);
 746
 747         dialog->open();
 748     }
 749
 750     // Assure that the current index remains visible when KFileItemModel
 751     // will notify the view about changed items (which might result in
 752     // a changed sorting).
 753     m_assureVisibleCurrentIndex = true;
 754 }
 755
 756 void DolphinView::trashSelectedItems()
 757 {
 758     const QList<QUrl> list = simplifiedSelectedUrls();
 759
 760     using Iface = KIO::AskUserActionInterface;
 761     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Trash, Iface::DefaultConfirmation, this);
 762     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 763     m_selectNextItem = true;
 764     trashJob->start();
 765 }
 766
 767 void DolphinView::deleteSelectedItems()
 768 {
 769     const QList<QUrl> list = simplifiedSelectedUrls();
 770
 771     using Iface = KIO::AskUserActionInterface;
 772     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Delete, Iface::DefaultConfirmation, this);
 773     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 774     m_selectNextItem = true;
 775     trashJob->start();
 776 }
 777
 778 void DolphinView::cutSelectedItemsToClipboard()
 779 {
 780     QMimeData *mimeData = selectionMimeData();
 781     KIO::setClipboardDataCut(mimeData, true);
 782     KUrlMimeData::exportUrlsToPortal(mimeData);
 783     QApplication::clipboard()->setMimeData(mimeData);
 784 }
 785
 786 void DolphinView::copySelectedItemsToClipboard()
 787 {
 788     QMimeData *mimeData = selectionMimeData();
 789     KUrlMimeData::exportUrlsToPortal(mimeData);
 790     QApplication::clipboard()->setMimeData(mimeData);
 791 }
 792
 793 void DolphinView::copySelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 794 {
 795     if (selection.isEmpty() || !destinationUrl.isValid()) {
 796         return;
 797     }
 798
 799     m_clearSelectionBeforeSelectingNewItems = true;
 800     m_markFirstNewlySelectedItemAsCurrent = true;
 801     m_selectJobCreatedItems = true;
 802
 803     KIO::CopyJob *job = KIO::copy(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 804     KJobWidgets::setWindow(job, this);
 805
 806     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 807     connect(job, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
 808     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 809     KIO::FileUndoManager::self()->recordCopyJob(job);
 810 }
 811
 812 void DolphinView::moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 813 {
 814     if (selection.isEmpty() || !destinationUrl.isValid()) {
 815         return;
 816     }
 817
 818     m_clearSelectionBeforeSelectingNewItems = true;
 819     m_markFirstNewlySelectedItemAsCurrent = true;
 820     m_selectJobCreatedItems = true;
 821
 822     KIO::CopyJob *job = KIO::move(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 823     KJobWidgets::setWindow(job, this);
 824
 825     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 826     connect(job, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
 827     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 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_hoveredColumnHeaderIndex) {
 978             const auto rolesInfo = KFileItemModel::rolesInformation();
 979             const auto visibleRole = m_visibleRoles.value(*m_hoveredColumnHeaderIndex);
 980
 981             for (const KFileItemModel::RoleInfo &info : rolesInfo) {
 982                 if (visibleRole == info.role) {
 983                     QToolTip::showText(helpEvent->globalPos(), info.tooltip, this);
 984                     return true;
 985                 }
 986             }
 987         }
 988         break;
 989     }
 990     default:
 991         break;
 992     }
 993
 994     return QWidget::eventFilter(watched, event);
 995 }
 996
 997 void DolphinView::wheelEvent(QWheelEvent *event)
 998 {
 999     if (event->modifiers().testFlag(Qt::ControlModifier)) {
1000         m_controlWheelAccumulatedDelta += event->angleDelta().y();
1001
1002         if (m_controlWheelAccumulatedDelta <= -QWheelEvent::DefaultDeltasPerStep) {
1003             slotDecreaseZoom();
1004             m_controlWheelAccumulatedDelta += QWheelEvent::DefaultDeltasPerStep;
1005         } else if (m_controlWheelAccumulatedDelta >= QWheelEvent::DefaultDeltasPerStep) {
1006             slotIncreaseZoom();
1007             m_controlWheelAccumulatedDelta -= QWheelEvent::DefaultDeltasPerStep;
1008         }
1009
1010         event->accept();
1011     } else {
1012         event->ignore();
1013     }
1014 }
1015
1016 void DolphinView::hideEvent(QHideEvent *event)
1017 {
1018     hideToolTip();
1019     QWidget::hideEvent(event);
1020 }
1021
1022 bool DolphinView::event(QEvent *event)
1023 {
1024     if (event->type() == QEvent::WindowDeactivate) {
1025         /* See Bug 297355
1026          * Dolphin leaves file preview tooltips open even when is not visible.
1027          *
1028          * Hide tool-tip when Dolphin loses focus.
1029          */
1030         hideToolTip();
1031         abortTwoClicksRenaming();
1032     }
1033
1034     return QWidget::event(event);
1035 }
1036
1037 void DolphinView::activate()
1038 {
1039     setActive(true);
1040 }
1041
1042 void DolphinView::slotItemActivated(int index)
1043 {
1044     abortTwoClicksRenaming();
1045
1046     const KFileItem item = m_model->fileItem(index);
1047     if (!item.isNull()) {
1048         Q_EMIT itemActivated(item);
1049     }
1050 }
1051
1052 void DolphinView::slotItemsActivated(const KItemSet &indexes)
1053 {
1054     Q_ASSERT(indexes.count() >= 2);
1055
1056     abortTwoClicksRenaming();
1057
1058     const auto modifiers = QGuiApplication::keyboardModifiers();
1059
1060     if (indexes.count() > 5) {
1061         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
1062         const int answer = KMessageBox::warningContinueCancel(
1063             this,
1064             question,
1065             {},
1066             KGuiItem(i18ncp("@action:button", "Open %1 Item", "Open %1 Items", indexes.count()), QStringLiteral("document-open")),
1067             KStandardGuiItem::cancel(),
1068             QStringLiteral("ConfirmOpenManyFolders"));
1069         if (answer != KMessageBox::PrimaryAction && answer != KMessageBox::Continue) {
1070             return;
1071         }
1072     }
1073
1074     KFileItemList items;
1075     items.reserve(indexes.count());
1076
1077     for (int index : indexes) {
1078         KFileItem item = m_model->fileItem(index);
1079         const QUrl &url = openItemAsFolderUrl(item);
1080
1081         if (!url.isEmpty()) {
1082             // Open folders in new tabs or in new windows depending on the modifier
1083             // The ctrl+shift behavior is ignored because we are handling multiple items
1084             // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1085             if (modifiers & Qt::ShiftModifier && !(modifiers & Qt::ControlModifier)) {
1086                 Q_EMIT windowRequested(url);
1087             } else {
1088                 Q_EMIT tabRequested(url);
1089             }
1090         } else {
1091             items.append(item);
1092         }
1093     }
1094
1095     if (items.count() == 1) {
1096         Q_EMIT itemActivated(items.first());
1097     } else if (items.count() > 1) {
1098         Q_EMIT itemsActivated(items);
1099     }
1100 }
1101
1102 void DolphinView::slotItemMiddleClicked(int index)
1103 {
1104     const KFileItem &item = m_model->fileItem(index);
1105     const QUrl &url = openItemAsFolderUrl(item);
1106     const auto modifiers = QGuiApplication::keyboardModifiers();
1107     const QString &archiveProtocol = KProtocolManager::protocolForArchiveMimetype(item.mimetype());
1108     if (!url.isEmpty()) {
1109         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1110         if (modifiers & Qt::ShiftModifier) {
1111             Q_EMIT activeTabRequested(url);
1112         } else {
1113             Q_EMIT tabRequested(url);
1114         }
1115     } else if (!archiveProtocol.isEmpty() && isTabsForFilesEnabled()) {
1116         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1117         if (modifiers & Qt::ShiftModifier) {
1118             Q_EMIT activeTabRequested(item.url());
1119         } else {
1120             Q_EMIT tabRequested(item.url());
1121         }
1122     } else {
1123         Q_EMIT fileMiddleClickActivated(item);
1124     }
1125 }
1126
1127 void DolphinView::slotItemContextMenuRequested(int index, const QPointF &pos)
1128 {
1129     // Force emit of a selection changed signal before we request the
1130     // context menu, to update the edit-actions first. (See Bug 294013)
1131     if (m_selectionChangedTimer->isActive()) {
1132         emitSelectionChangedSignal();
1133     }
1134
1135     const KFileItem item = m_model->fileItem(index);
1136     Q_EMIT requestContextMenu(pos.toPoint(), item, selectedItems(), url());
1137 }
1138
1139 void DolphinView::slotViewContextMenuRequested(const QPointF &pos)
1140 {
1141     Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), selectedItems(), url());
1142 }
1143
1144 void DolphinView::slotHeaderContextMenuRequested(const QPointF &pos)
1145 {
1146     ViewProperties props(viewPropertiesUrl());
1147
1148     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
1149
1150     KItemListView *view = m_container->controller()->view();
1151     const QList<QByteArray> visibleRolesSet = view->visibleRoles();
1152
1153     bool indexingEnabled = false;
1154 #if HAVE_BALOO
1155     Baloo::IndexerConfig config;
1156     indexingEnabled = config.fileIndexingEnabled();
1157 #endif
1158
1159     QString groupName;
1160     QMenu *groupMenu = nullptr;
1161
1162     // Add all roles to the menu that can be shown or hidden by the user
1163     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
1164     for (const KFileItemModel::RoleInfo &info : rolesInfo) {
1165         if (info.role == "text") {
1166             // It should not be possible to hide the "text" role
1167             continue;
1168         }
1169
1170         const QString text = m_model->roleDescription(info.role);
1171         QAction *action = nullptr;
1172         if (info.group.isEmpty()) {
1173             action = menu->addAction(text);
1174         } else {
1175             if (!groupMenu || info.group != groupName) {
1176                 groupName = info.group;
1177                 groupMenu = menu->addMenu(groupName);
1178             }
1179
1180             action = groupMenu->addAction(text);
1181         }
1182
1183         action->setCheckable(true);
1184         action->setChecked(visibleRolesSet.contains(info.role));
1185         action->setData(info.role);
1186         action->setToolTip(info.tooltip);
1187
1188         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) || (info.requiresBaloo) || (info.requiresIndexer && indexingEnabled);
1189         action->setEnabled(enable);
1190     }
1191
1192     menu->addSeparator();
1193
1194     QActionGroup *widthsGroup = new QActionGroup(menu);
1195     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1196
1197     QAction *toggleSidePaddingAction = menu->addAction(i18nc("@action:inmenu", "Side Padding"));
1198     toggleSidePaddingAction->setCheckable(true);
1199     toggleSidePaddingAction->setChecked(view->header()->sidePadding() > 0);
1200
1201     QAction *autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1202     autoAdjustWidthsAction->setCheckable(true);
1203     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1204     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1205
1206     QAction *customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1207     customWidthsAction->setCheckable(true);
1208     customWidthsAction->setChecked(!autoColumnWidths);
1209     customWidthsAction->setActionGroup(widthsGroup);
1210
1211     QAction *action = menu->exec(pos.toPoint());
1212     if (menu && action) {
1213         KItemListHeader *header = view->header();
1214
1215         if (action == autoAdjustWidthsAction) {
1216             // Clear the column-widths from the viewproperties and turn on
1217             // the automatic resizing of the columns
1218             props.setHeaderColumnWidths(QList<int>());
1219             header->setAutomaticColumnResizing(true);
1220         } else if (action == customWidthsAction) {
1221             // Apply the current column-widths as custom column-widths and turn
1222             // off the automatic resizing of the columns
1223             QList<int> columnWidths;
1224             const auto visibleRoles = view->visibleRoles();
1225             columnWidths.reserve(visibleRoles.count());
1226             for (const QByteArray &role : visibleRoles) {
1227                 columnWidths.append(header->columnWidth(role));
1228             }
1229             props.setHeaderColumnWidths(columnWidths);
1230             header->setAutomaticColumnResizing(false);
1231         } else if (action == toggleSidePaddingAction) {
1232             header->setSidePadding(toggleSidePaddingAction->isChecked() ? 20 : 0);
1233         } else {
1234             // Show or hide the selected role
1235             const QByteArray selectedRole = action->data().toByteArray();
1236
1237             QList<QByteArray> visibleRoles = view->visibleRoles();
1238             if (action->isChecked()) {
1239                 visibleRoles.append(selectedRole);
1240             } else {
1241                 visibleRoles.removeOne(selectedRole);
1242             }
1243
1244             view->setVisibleRoles(visibleRoles);
1245             props.setVisibleRoles(visibleRoles);
1246
1247             QList<int> columnWidths;
1248             if (!header->automaticColumnResizing()) {
1249                 const auto visibleRoles = view->visibleRoles();
1250                 columnWidths.reserve(visibleRoles.count());
1251                 for (const QByteArray &role : visibleRoles) {
1252                     columnWidths.append(header->columnWidth(role));
1253                 }
1254             }
1255             props.setHeaderColumnWidths(columnWidths);
1256         }
1257     }
1258
1259     delete menu;
1260 }
1261
1262 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray &role, qreal current)
1263 {
1264     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1265
1266     ViewProperties props(viewPropertiesUrl());
1267     QList<int> columnWidths = props.headerColumnWidths();
1268     if (columnWidths.count() != visibleRoles.count()) {
1269         columnWidths.clear();
1270         columnWidths.reserve(visibleRoles.count());
1271         const KItemListHeader *header = m_view->header();
1272         for (const QByteArray &role : visibleRoles) {
1273             const int width = header->columnWidth(role);
1274             columnWidths.append(width);
1275         }
1276     }
1277
1278     const int roleIndex = visibleRoles.indexOf(role);
1279     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1280     columnWidths[roleIndex] = current;
1281
1282     props.setHeaderColumnWidths(columnWidths);
1283 }
1284
1285 void DolphinView::slotSidePaddingWidthChanged(qreal width)
1286 {
1287     ViewProperties props(viewPropertiesUrl());
1288     DetailsModeSettings::setSidePadding(int(width));
1289     m_view->writeSettings();
1290 }
1291
1292 void DolphinView::slotItemHovered(int index)
1293 {
1294     const KFileItem item = m_model->fileItem(index);
1295
1296     if (GeneralSettings::showToolTips() && !m_dragging) {
1297         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1298         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1299         itemRect.moveTo(pos);
1300
1301 #if HAVE_BALOO
1302         auto nativeParent = nativeParentWidget();
1303         if (nativeParent) {
1304             m_toolTipManager->showToolTip(item, itemRect, nativeParent->windowHandle());
1305         }
1306 #endif
1307     }
1308
1309     Q_EMIT requestItemInfo(item);
1310 }
1311
1312 void DolphinView::slotItemUnhovered(int index)
1313 {
1314     Q_UNUSED(index)
1315     hideToolTip();
1316     Q_EMIT requestItemInfo(KFileItem());
1317 }
1318
1319 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent *event)
1320 {
1321     QUrl destUrl;
1322     KFileItem destItem = m_model->fileItem(index);
1323     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1324         // Use the URL of the view as drop target if the item is no directory
1325         // or desktop-file
1326         destItem = m_model->rootItem();
1327         destUrl = url();
1328     } else {
1329         // The item represents a directory or desktop-file
1330         destUrl = destItem.mostLocalUrl();
1331     }
1332
1333     QDropEvent dropEvent(event->pos().toPoint(), event->possibleActions(), event->mimeData(), event->buttons(), event->modifiers());
1334     dropUrls(destUrl, &dropEvent, this);
1335
1336     setActive(true);
1337 }
1338
1339 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1340 {
1341     KIO::DropJob *job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1342
1343     if (job) {
1344         connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
1345
1346         if (destUrl == url()) {
1347             // Mark the dropped urls as selected.
1348             m_clearSelectionBeforeSelectingNewItems = true;
1349             m_markFirstNewlySelectedItemAsCurrent = true;
1350             m_selectJobCreatedItems = true;
1351             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1352             connect(job, &KIO::DropJob::copyJobStarted, this, [this](const KIO::CopyJob *copyJob) {
1353                 connect(copyJob, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
1354                 connect(copyJob, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
1355                 connect(copyJob, &KIO::CopyJob::linking, this, [this](KIO::Job *job, const QString &src, const QUrl &dest) {
1356                     Q_UNUSED(job)
1357                     Q_UNUSED(src)
1358                     slotItemCreated(dest);
1359                 });
1360             });
1361         }
1362     }
1363 }
1364
1365 void DolphinView::slotModelChanged(KItemModelBase *current, KItemModelBase *previous)
1366 {
1367     if (previous != nullptr) {
1368         Q_ASSERT(qobject_cast<KFileItemModel *>(previous));
1369         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(previous);
1370         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1371         m_versionControlObserver->setModel(nullptr);
1372     }
1373
1374     if (current) {
1375         Q_ASSERT(qobject_cast<KFileItemModel *>(current));
1376         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(current);
1377         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1378         m_versionControlObserver->setModel(fileItemModel);
1379     }
1380 }
1381
1382 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1383 {
1384     Q_UNUSED(itemIndex)
1385
1386     hideToolTip();
1387
1388     if (buttons & Qt::BackButton) {
1389         Q_EMIT goBackRequested();
1390     } else if (buttons & Qt::ForwardButton) {
1391         Q_EMIT goForwardRequested();
1392     }
1393 }
1394
1395 void DolphinView::slotSelectedItemTextPressed(int index)
1396 {
1397     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1398         const KFileItem item = m_model->fileItem(index);
1399         const KFileItemListProperties capabilities(KFileItemList() << item);
1400         if (capabilities.supportsMoving()) {
1401             m_twoClicksRenamingItemUrl = item.url();
1402             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1403         }
1404     }
1405 }
1406
1407 void DolphinView::slotItemCreatedFromJob(KIO::Job *, const QUrl &, const QUrl &to)
1408 {
1409     slotItemCreated(to);
1410 }
1411
1412 void DolphinView::slotItemCreated(const QUrl &url)
1413 {
1414     if (m_markFirstNewlySelectedItemAsCurrent) {
1415         markUrlAsCurrent(url);
1416         m_markFirstNewlySelectedItemAsCurrent = false;
1417     }
1418     if (m_selectJobCreatedItems && !m_selectedUrls.contains(url)) {
1419         m_selectedUrls << url;
1420     }
1421 }
1422
1423 void DolphinView::onDirectoryLoadingCompleted()
1424 {
1425     // the model should now contain all the items created by the job
1426     updateSelectionState();
1427     m_selectJobCreatedItems = false;
1428     m_selectedUrls.clear();
1429 }
1430
1431 void DolphinView::slotJobResult(KJob *job)
1432 {
1433     if (job->error() && job->error() != KIO::ERR_USER_CANCELED) {
1434         Q_EMIT errorMessage(job->errorString());
1435     }
1436     if (!m_selectJobCreatedItems) {
1437         m_selectedUrls.clear();
1438         return;
1439     }
1440     if (!m_selectedUrls.isEmpty()) {
1441         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1442
1443         updateSelectionState();
1444         if (!m_selectedUrls.isEmpty()) {
1445             // not all urls were found, the model may not be up to date
1446             connect(m_model, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::onDirectoryLoadingCompleted, Qt::UniqueConnection);
1447         } else {
1448             m_selectJobCreatedItems = false;
1449             m_selectedUrls.clear();
1450         }
1451     }
1452 }
1453
1454 void DolphinView::slotSelectionChanged(const KItemSet &current, const KItemSet &previous)
1455 {
1456     m_selectNextItem = false;
1457     const int currentCount = current.count();
1458     const int previousCount = previous.count();
1459     const bool selectionStateChanged = (currentCount == 0 && previousCount > 0) || (currentCount > 0 && previousCount == 0);
1460
1461     // If nothing has been selected before and something got selected (or if something
1462     // was selected before and now nothing is selected) the selectionChangedSignal must
1463     // be emitted asynchronously as fast as possible to update the edit-actions.
1464     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1465     m_selectionChangedTimer->start();
1466 }
1467
1468 void DolphinView::emitSelectionChangedSignal()
1469 {
1470     m_selectionChangedTimer->stop();
1471     Q_EMIT selectionChanged(selectedItems());
1472 }
1473
1474 void DolphinView::slotStatJobResult(KJob *job)
1475 {
1476     int folderCount = 0;
1477     int fileCount = 0;
1478     KIO::filesize_t totalFileSize = 0;
1479     bool countFileSize = true;
1480
1481     const auto entry = static_cast<KIO::StatJob *>(job)->statResult();
1482     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1483         // We have a precomputed value.
1484         totalFileSize = static_cast<KIO::filesize_t>(entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1485         countFileSize = false;
1486     }
1487
1488     const int itemCount = m_model->count();
1489     for (int i = 0; i < itemCount; ++i) {
1490         const KFileItem item = m_model->fileItem(i);
1491         if (item.isDir()) {
1492             ++folderCount;
1493         } else {
1494             ++fileCount;
1495             if (countFileSize) {
1496                 totalFileSize += item.size();
1497             }
1498         }
1499     }
1500     emitStatusBarText(folderCount, fileCount, totalFileSize, NoSelection);
1501 }
1502
1503 void DolphinView::updateSortRole(const QByteArray &role)
1504 {
1505     ViewProperties props(viewPropertiesUrl());
1506     props.setSortRole(role);
1507
1508     KItemModelBase *model = m_container->controller()->model();
1509     model->setSortRole(role);
1510
1511     Q_EMIT sortRoleChanged(role);
1512 }
1513
1514 void DolphinView::updateSortOrder(Qt::SortOrder order)
1515 {
1516     ViewProperties props(viewPropertiesUrl());
1517     props.setSortOrder(order);
1518
1519     m_model->setSortOrder(order);
1520
1521     Q_EMIT sortOrderChanged(order);
1522 }
1523
1524 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1525 {
1526     ViewProperties props(viewPropertiesUrl());
1527     props.setSortFoldersFirst(foldersFirst);
1528
1529     m_model->setSortDirectoriesFirst(foldersFirst);
1530
1531     Q_EMIT sortFoldersFirstChanged(foldersFirst);
1532 }
1533
1534 void DolphinView::updateSortHiddenLast(bool hiddenLast)
1535 {
1536     ViewProperties props(viewPropertiesUrl());
1537     props.setSortHiddenLast(hiddenLast);
1538
1539     m_model->setSortHiddenLast(hiddenLast);
1540
1541     Q_EMIT sortHiddenLastChanged(hiddenLast);
1542 }
1543
1544 QPair<bool, QString> DolphinView::pasteInfo() const
1545 {
1546     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1547     QPair<bool, QString> info;
1548     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1549     return info;
1550 }
1551
1552 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1553 {
1554     m_tabsForFiles = tabsForFiles;
1555 }
1556
1557 bool DolphinView::isTabsForFilesEnabled() const
1558 {
1559     return m_tabsForFiles;
1560 }
1561
1562 bool DolphinView::itemsExpandable() const
1563 {
1564     return m_mode == DetailsView;
1565 }
1566
1567 bool DolphinView::isExpanded(const KFileItem &item) const
1568 {
1569     Q_ASSERT(item.isDir());
1570     Q_ASSERT(items().contains(item));
1571     if (!itemsExpandable()) {
1572         return false;
1573     }
1574     return m_model->isExpanded(m_model->index(item));
1575 }
1576
1577 void DolphinView::restoreState(QDataStream &stream)
1578 {
1579     // Read the version number of the view state and check if the version is supported.
1580     quint32 version = 0;
1581     stream >> version;
1582     if (version != 1) {
1583         // The version of the view state isn't supported, we can't restore it.
1584         return;
1585     }
1586
1587     // Restore the current item that had the keyboard focus
1588     stream >> m_currentItemUrl;
1589
1590     // Restore the previously selected items
1591     stream >> m_selectedUrls;
1592
1593     // Restore the view position
1594     stream >> m_restoredContentsPosition;
1595
1596     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1597     QSet<QUrl> urls;
1598     stream >> urls;
1599     m_model->restoreExpandedDirectories(urls);
1600 }
1601
1602 void DolphinView::saveState(QDataStream &stream)
1603 {
1604     stream << quint32(1); // View state version
1605
1606     // Save the current item that has the keyboard focus
1607     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1608     if (currentIndex != -1) {
1609         KFileItem item = m_model->fileItem(currentIndex);
1610         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1611         QUrl currentItemUrl = item.url();
1612         stream << currentItemUrl;
1613     } else {
1614         stream << QUrl();
1615     }
1616
1617     // Save the selected urls
1618     stream << selectedItems().urlList();
1619
1620     // Save view position
1621     const qreal x = m_container->horizontalScrollBar()->value();
1622     const qreal y = m_container->verticalScrollBar()->value();
1623     stream << QPoint(x, y);
1624
1625     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1626     stream << m_model->expandedDirectories();
1627 }
1628
1629 KFileItem DolphinView::rootItem() const
1630 {
1631     return m_model->rootItem();
1632 }
1633
1634 void DolphinView::setViewPropertiesContext(const QString &context)
1635 {
1636     m_viewPropertiesContext = context;
1637 }
1638
1639 QString DolphinView::viewPropertiesContext() const
1640 {
1641     return m_viewPropertiesContext;
1642 }
1643
1644 QUrl DolphinView::openItemAsFolderUrl(const KFileItem &item, const bool browseThroughArchives)
1645 {
1646     if (item.isNull()) {
1647         return QUrl();
1648     }
1649
1650     QUrl url = item.targetUrl();
1651
1652     if (item.isDir()) {
1653         return url;
1654     }
1655
1656     if (item.isMimeTypeKnown()) {
1657         const QString &mimetype = item.mimetype();
1658
1659         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1660             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1661             // zip:/<path>/ when clicking on a zip file, etc.
1662             // The .protocol file specifies the mimetype that the kioslave handles.
1663             // Note that we don't use mimetype inheritance since we don't want to
1664             // open OpenDocument files as zip folders...
1665             const QString &protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1666             if (!protocol.isEmpty()) {
1667                 url.setScheme(protocol);
1668                 return url;
1669             }
1670         }
1671
1672         if (mimetype == QLatin1String("application/x-desktop")) {
1673             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1674             KDesktopFile desktopFile(url.toLocalFile());
1675             if (desktopFile.hasLinkType()) {
1676                 const QString linkUrl = desktopFile.readUrl();
1677                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1678                     return QUrl::fromUserInput(linkUrl);
1679                 }
1680             }
1681         }
1682     }
1683
1684     return QUrl();
1685 }
1686
1687 void DolphinView::resetZoomLevel()
1688 {
1689     ViewModeSettings settings{m_mode};
1690     settings.useDefaults(true);
1691     const int defaultIconSize = settings.iconSize();
1692     settings.useDefaults(false);
1693
1694     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(QSize(defaultIconSize, defaultIconSize)));
1695 }
1696
1697 void DolphinView::observeCreatedItem(const QUrl &url)
1698 {
1699     if (m_active) {
1700         forceUrlsSelection(url, {url});
1701     }
1702 }
1703
1704 void DolphinView::slotDirectoryRedirection(const QUrl &oldUrl, const QUrl &newUrl)
1705 {
1706     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1707         Q_EMIT redirection(oldUrl, newUrl);
1708         m_url = newUrl; // #186947
1709     }
1710 }
1711
1712 void DolphinView::updateSelectionState()
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         // unless some drop/paste job are in the process of creating items
1719         if (!selectionManager->hasSelection() || m_selectJobCreatedItems) {
1720             if (m_clearSelectionBeforeSelectingNewItems) {
1721                 selectionManager->clearSelection();
1722                 m_clearSelectionBeforeSelectingNewItems = false;
1723             }
1724
1725             KItemSet selectedItems = selectionManager->selectedItems();
1726
1727             QList<QUrl>::iterator it = m_selectedUrls.begin();
1728             while (it != m_selectedUrls.end()) {
1729                 const int index = m_model->index(*it);
1730                 if (index >= 0) {
1731                     selectedItems.insert(index);
1732                     it = m_selectedUrls.erase(it);
1733                 } else {
1734                     ++it;
1735                 }
1736             }
1737
1738             if (!selectedItems.isEmpty()) {
1739                 selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1740                 selectionManager->setSelectedItems(selectedItems);
1741             }
1742         }
1743     }
1744 }
1745
1746 void DolphinView::updateViewState()
1747 {
1748     if (m_currentItemUrl != QUrl()) {
1749         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1750
1751         // if there is a selection already, leave it that way
1752         if (!selectionManager->hasSelection()) {
1753             const int currentIndex = m_model->index(m_currentItemUrl);
1754             if (currentIndex != -1) {
1755                 selectionManager->setCurrentItem(currentIndex);
1756
1757                 // scroll to current item and reset the state
1758                 if (m_scrollToCurrentItem) {
1759                     m_view->scrollToItem(currentIndex);
1760                     m_scrollToCurrentItem = false;
1761                 }
1762                 m_currentItemUrl = QUrl();
1763             } else {
1764                 selectionManager->setCurrentItem(0);
1765             }
1766         } else {
1767             m_currentItemUrl = QUrl();
1768         }
1769     }
1770
1771     if (!m_restoredContentsPosition.isNull()) {
1772         const int x = m_restoredContentsPosition.x();
1773         const int y = m_restoredContentsPosition.y();
1774         m_restoredContentsPosition = QPoint();
1775
1776         m_container->horizontalScrollBar()->setValue(x);
1777         m_container->verticalScrollBar()->setValue(y);
1778     }
1779
1780     updateSelectionState();
1781 }
1782
1783 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1784 {
1785     if (GeneralSettings::showToolTips()) {
1786 #if HAVE_BALOO
1787         m_toolTipManager->hideToolTip(behavior);
1788 #else
1789         Q_UNUSED(behavior)
1790 #endif
1791     } else if (m_mode == DolphinView::IconsView) {
1792         QToolTip::hideText();
1793     }
1794 }
1795
1796 bool DolphinView::handleSpaceAsNormalKey() const
1797 {
1798     return !m_container->hasFocus() || m_container->controller()->isSearchAsYouTypeActive();
1799 }
1800
1801 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1802 {
1803     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1804
1805     // verify that only one item is selected
1806     if (selectionManager->selectedItems().count() == 1) {
1807         const int index = selectionManager->currentItem();
1808         const QUrl fileItemUrl = m_model->fileItem(index).url();
1809
1810         // check if the selected item was the same item that started the twoClicksRenaming
1811         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1812             renameSelectedItems();
1813         }
1814     }
1815 }
1816
1817 void DolphinView::slotTrashFileFinished(KJob *job)
1818 {
1819     if (job->error() == 0) {
1820         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1821         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1822     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1823         Q_EMIT errorMessage(job->errorString());
1824     }
1825 }
1826
1827 void DolphinView::slotDeleteFileFinished(KJob *job)
1828 {
1829     if (job->error() == 0) {
1830         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1831         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1832     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1833         Q_EMIT errorMessage(job->errorString());
1834     }
1835 }
1836
1837 void DolphinView::selectNextItem()
1838 {
1839     if (m_active && m_selectNextItem) {
1840         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1841         if (selectedItems().isEmpty()) {
1842             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1843             return;
1844         }
1845         const auto lastSelectedIndex = m_model->index(selectedItems().last());
1846         if (lastSelectedIndex < 0) {
1847             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1848             return;
1849         }
1850         auto nextItem = lastSelectedIndex + 1;
1851         if (nextItem >= itemsCount()) {
1852             nextItem = lastSelectedIndex - selectedItemsCount();
1853         }
1854         if (nextItem >= 0) {
1855             selectionManager->setSelected(nextItem, 1);
1856         }
1857         m_selectNextItem = false;
1858     }
1859 }
1860
1861 void DolphinView::slotRenamingResult(KJob *job)
1862 {
1863     if (job->error()) {
1864         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1865         Q_ASSERT(copyJob);
1866         const QUrl newUrl = copyJob->destUrl();
1867         const int index = m_model->index(newUrl);
1868         if (index >= 0) {
1869             QHash<QByteArray, QVariant> data;
1870             const QUrl oldUrl = copyJob->srcUrls().at(0);
1871             data.insert("text", oldUrl.fileName());
1872             m_model->setData(index, data);
1873         }
1874     }
1875 }
1876
1877 void DolphinView::slotDirectoryLoadingStarted()
1878 {
1879     m_loadingState = LoadingState::Loading;
1880     updatePlaceholderLabel();
1881
1882     // Disable the writestate temporary until it can be determined in a fast way
1883     // in DolphinView::slotDirectoryLoadingCompleted()
1884     if (m_isFolderWritable) {
1885         m_isFolderWritable = false;
1886         Q_EMIT writeStateChanged(m_isFolderWritable);
1887     }
1888
1889     Q_EMIT directoryLoadingStarted();
1890 }
1891
1892 void DolphinView::slotDirectoryLoadingCompleted()
1893 {
1894     m_loadingState = LoadingState::Completed;
1895
1896     // Update the view-state. This has to be done asynchronously
1897     // because the view might not be in its final state yet.
1898     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1899
1900     // Update the placeholder label in case we found that the folder was empty
1901     // after loading it
1902
1903     Q_EMIT directoryLoadingCompleted();
1904
1905     updatePlaceholderLabel();
1906     updateWritableState();
1907 }
1908
1909 void DolphinView::slotDirectoryLoadingCanceled()
1910 {
1911     m_loadingState = LoadingState::Canceled;
1912
1913     updatePlaceholderLabel();
1914
1915     Q_EMIT directoryLoadingCanceled();
1916 }
1917
1918 void DolphinView::slotItemsChanged()
1919 {
1920     m_assureVisibleCurrentIndex = false;
1921 }
1922
1923 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1924 {
1925     Q_UNUSED(previous)
1926     Q_ASSERT(m_model->sortOrder() == current);
1927
1928     ViewProperties props(viewPropertiesUrl());
1929     props.setSortOrder(current);
1930
1931     Q_EMIT sortOrderChanged(current);
1932 }
1933
1934 void DolphinView::slotSortRoleChangedByHeader(const QByteArray &current, const QByteArray &previous)
1935 {
1936     Q_UNUSED(previous)
1937     Q_ASSERT(m_model->sortRole() == current);
1938
1939     ViewProperties props(viewPropertiesUrl());
1940     props.setSortRole(current);
1941
1942     Q_EMIT sortRoleChanged(current);
1943 }
1944
1945 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray> &current, const QList<QByteArray> &previous)
1946 {
1947     Q_UNUSED(previous)
1948     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1949
1950     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1951
1952     m_visibleRoles = current;
1953
1954     ViewProperties props(viewPropertiesUrl());
1955     props.setVisibleRoles(m_visibleRoles);
1956
1957     Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1958 }
1959
1960 void DolphinView::slotRoleEditingCanceled()
1961 {
1962     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1963 }
1964
1965 void DolphinView::slotRoleEditingFinished(int index, const QByteArray &role, const QVariant &value)
1966 {
1967     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1968
1969     const KFileItemList items = selectedItems();
1970     if (items.count() != 1) {
1971         return;
1972     }
1973
1974     if (role == "text") {
1975         const KFileItem oldItem = items.first();
1976         const EditResult retVal = value.value<EditResult>();
1977         const QString newName = retVal.newName;
1978         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1979             const QUrl oldUrl = oldItem.url();
1980
1981             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1982             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1983
1984 #ifndef Q_OS_WIN
1985             // Confirm hiding file/directory by renaming inline
1986             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1987                 KGuiItem yesGuiItem(i18nc("@action:button", "Rename and Hide"), QStringLiteral("view-hidden"));
1988
1989                 const auto code =
1990                     KMessageBox::questionTwoActions(this,
1991                                                     oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1992                                                                             "Do you still want to rename it?")
1993                                                                      : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1994                                                                             "Do you still want to rename it?"),
1995                                                     oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
1996                                                     yesGuiItem,
1997                                                     KStandardGuiItem::cancel(),
1998                                                     QStringLiteral("ConfirmHide"));
1999
2000                 if (code == KMessageBox::SecondaryAction) {
2001                     return;
2002                 }
2003             }
2004 #endif
2005
2006             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
2007             if (!newNameExistsAlready && m_model->index(oldUrl) == index) {
2008                 // Only change the data in the model if no item with the new name
2009                 // is in the model yet. If there is an item with the new name
2010                 // already, calling KIO::CopyJob will open a dialog
2011                 // asking for a new name, and KFileItemModel will update the
2012                 // data when the dir lister signals that the file name has changed.
2013                 QHash<QByteArray, QVariant> data;
2014                 data.insert(role, retVal.newName);
2015                 m_model->setData(index, data);
2016             }
2017
2018             KIO::Job *job = KIO::moveAs(oldUrl, newUrl);
2019             KJobWidgets::setWindow(job, this);
2020             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
2021             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
2022
2023             if (!newNameExistsAlready) {
2024                 forceUrlsSelection(newUrl, {newUrl});
2025
2026                 // Only connect the result signal if there is no item with the new name
2027                 // in the model yet, see bug 328262.
2028                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
2029             }
2030         }
2031         if (retVal.direction != EditDone) {
2032             const short indexShift = retVal.direction == EditNext ? 1 : -1;
2033             m_container->controller()->selectionManager()->setSelected(index, 1, KItemListSelectionManager::Deselect);
2034             m_container->controller()->selectionManager()->setSelected(index + indexShift, 1, KItemListSelectionManager::Select);
2035             renameSelectedItems();
2036         }
2037     }
2038 }
2039
2040 void DolphinView::loadDirectory(const QUrl &url, bool reload)
2041 {
2042     if (!url.isValid()) {
2043         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
2044         if (location.isEmpty()) {
2045             Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."));
2046         } else {
2047             Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
2048         }
2049         return;
2050     }
2051
2052     if (reload) {
2053         m_model->refreshDirectory(url);
2054     } else {
2055         m_model->loadDirectory(url);
2056     }
2057 }
2058
2059 void DolphinView::applyViewProperties()
2060 {
2061     const ViewProperties props(viewPropertiesUrl());
2062     applyViewProperties(props);
2063 }
2064
2065 void DolphinView::applyViewProperties(const ViewProperties &props)
2066 {
2067     m_view->beginTransaction();
2068
2069     const Mode mode = props.viewMode();
2070     if (m_mode != mode) {
2071         const Mode previousMode = m_mode;
2072         m_mode = mode;
2073
2074         // Changing the mode might result in changing
2075         // the zoom level. Remember the old zoom level so
2076         // that zoomLevelChanged() can get emitted.
2077         const int oldZoomLevel = m_view->zoomLevel();
2078         applyModeToView();
2079
2080         Q_EMIT modeChanged(m_mode, previousMode);
2081
2082         if (m_view->zoomLevel() != oldZoomLevel) {
2083             Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
2084         }
2085     }
2086
2087     const bool hiddenFilesShown = props.hiddenFilesShown();
2088     if (hiddenFilesShown != m_model->showHiddenFiles()) {
2089         m_model->setShowHiddenFiles(hiddenFilesShown);
2090         Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
2091     }
2092
2093     const bool groupedSorting = props.groupedSorting();
2094     if (groupedSorting != m_model->groupedSorting()) {
2095         m_model->setGroupedSorting(groupedSorting);
2096         Q_EMIT groupedSortingChanged(groupedSorting);
2097     }
2098
2099     const QByteArray sortRole = props.sortRole();
2100     if (sortRole != m_model->sortRole()) {
2101         m_model->setSortRole(sortRole);
2102         Q_EMIT sortRoleChanged(sortRole);
2103     }
2104
2105     const Qt::SortOrder sortOrder = props.sortOrder();
2106     if (sortOrder != m_model->sortOrder()) {
2107         m_model->setSortOrder(sortOrder);
2108         Q_EMIT sortOrderChanged(sortOrder);
2109     }
2110
2111     const bool sortFoldersFirst = props.sortFoldersFirst();
2112     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
2113         m_model->setSortDirectoriesFirst(sortFoldersFirst);
2114         Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
2115     }
2116
2117     const bool sortHiddenLast = props.sortHiddenLast();
2118     if (sortHiddenLast != m_model->sortHiddenLast()) {
2119         m_model->setSortHiddenLast(sortHiddenLast);
2120         Q_EMIT sortHiddenLastChanged(sortHiddenLast);
2121     }
2122
2123     const QList<QByteArray> visibleRoles = props.visibleRoles();
2124     if (visibleRoles != m_visibleRoles) {
2125         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
2126         m_visibleRoles = visibleRoles;
2127         m_view->setVisibleRoles(visibleRoles);
2128         Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
2129     }
2130
2131     const bool previewsShown = props.previewsShown();
2132     if (previewsShown != m_view->previewsShown()) {
2133         const int oldZoomLevel = zoomLevel();
2134
2135         m_view->setPreviewsShown(previewsShown);
2136         Q_EMIT previewsShownChanged(previewsShown);
2137
2138         // Changing the preview-state might result in a changed zoom-level
2139         if (oldZoomLevel != zoomLevel()) {
2140             Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
2141         }
2142     }
2143
2144     KItemListView *itemListView = m_container->controller()->view();
2145     if (itemListView->isHeaderVisible()) {
2146         KItemListHeader *header = itemListView->header();
2147         const QList<int> headerColumnWidths = props.headerColumnWidths();
2148         const int rolesCount = m_visibleRoles.count();
2149         if (headerColumnWidths.count() == rolesCount) {
2150             header->setAutomaticColumnResizing(false);
2151
2152             QHash<QByteArray, qreal> columnWidths;
2153             for (int i = 0; i < rolesCount; ++i) {
2154                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
2155             }
2156             header->setColumnWidths(columnWidths);
2157         } else {
2158             header->setAutomaticColumnResizing(true);
2159         }
2160         header->setSidePadding(DetailsModeSettings::sidePadding());
2161     }
2162
2163     m_view->endTransaction();
2164 }
2165
2166 void DolphinView::applyModeToView()
2167 {
2168     switch (m_mode) {
2169     case IconsView:
2170         m_view->setItemLayout(KFileItemListView::IconsLayout);
2171         break;
2172     case CompactView:
2173         m_view->setItemLayout(KFileItemListView::CompactLayout);
2174         break;
2175     case DetailsView:
2176         m_view->setItemLayout(KFileItemListView::DetailsLayout);
2177         break;
2178     default:
2179         Q_ASSERT(false);
2180         break;
2181     }
2182 }
2183
2184 void DolphinView::pasteToUrl(const QUrl &url)
2185 {
2186     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
2187     KJobWidgets::setWindow(job, this);
2188     m_clearSelectionBeforeSelectingNewItems = true;
2189     m_markFirstNewlySelectedItemAsCurrent = true;
2190     m_selectJobCreatedItems = true;
2191     // TODO KF6 use KIO::PasteJob::copyJobStarted to hook to earlier events copying/moving
2192     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
2193     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotJobResult);
2194 }
2195
2196 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
2197 {
2198     QList<QUrl> urls;
2199
2200     const KFileItemList items = selectedItems();
2201     urls.reserve(items.count());
2202     for (const KFileItem &item : items) {
2203         urls.append(item.url());
2204     }
2205
2206     if (itemsExpandable()) {
2207         // TODO: Check if we still need KDirModel for this in KDE 5.0
2208         urls = KDirModel::simplifiedUrlList(urls);
2209     }
2210
2211     return urls;
2212 }
2213
2214 QMimeData *DolphinView::selectionMimeData() const
2215 {
2216     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
2217     const KItemSet selectedIndexes = selectionManager->selectedItems();
2218
2219     return m_model->createMimeData(selectedIndexes);
2220 }
2221
2222 void DolphinView::updateWritableState()
2223 {
2224     const bool wasFolderWritable = m_isFolderWritable;
2225     m_isFolderWritable = false;
2226
2227     KFileItem item = m_model->rootItem();
2228     if (item.isNull()) {
2229         // Try to find out if the URL is writable even if the "root item" is
2230         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
2231         item = KFileItem(url());
2232         item.setDelayedMimeTypes(true);
2233     }
2234
2235     KFileItemListProperties capabilities(KFileItemList() << item);
2236     m_isFolderWritable = capabilities.supportsWriting();
2237
2238     if (m_isFolderWritable != wasFolderWritable) {
2239         Q_EMIT writeStateChanged(m_isFolderWritable);
2240     }
2241 }
2242
2243 QUrl DolphinView::viewPropertiesUrl() const
2244 {
2245     if (m_viewPropertiesContext.isEmpty()) {
2246         return m_url;
2247     }
2248
2249     QUrl url;
2250     url.setScheme(m_url.scheme());
2251     url.setPath(m_viewPropertiesContext);
2252     return url;
2253 }
2254
2255 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl> &urls)
2256 {
2257     forceUrlsSelection(urls.first(), urls);
2258 }
2259
2260 void DolphinView::forceUrlsSelection(const QUrl &current, const QList<QUrl> &selected)
2261 {
2262     clearSelection();
2263     m_clearSelectionBeforeSelectingNewItems = true;
2264     markUrlAsCurrent(current);
2265     markUrlsAsSelected(selected);
2266 }
2267
2268 void DolphinView::copyPathToClipboard()
2269 {
2270     const KFileItemList list = selectedItems();
2271     if (list.isEmpty()) {
2272         return;
2273     }
2274     const KFileItem &item = list.at(0);
2275     QString path = item.localPath();
2276     if (path.isEmpty()) {
2277         path = item.url().toDisplayString();
2278     }
2279     QClipboard *clipboard = QApplication::clipboard();
2280     if (clipboard == nullptr) {
2281         return;
2282     }
2283     clipboard->setText(QDir::toNativeSeparators(path));
2284 }
2285
2286 void DolphinView::slotIncreaseZoom()
2287 {
2288     setZoomLevel(zoomLevel() + 1);
2289 }
2290
2291 void DolphinView::slotDecreaseZoom()
2292 {
2293     setZoomLevel(zoomLevel() - 1);
2294 }
2295
2296 void DolphinView::slotSwipeUp()
2297 {
2298     Q_EMIT goUpRequested();
2299 }
2300
2301 void DolphinView::showLoadingPlaceholder()
2302 {
2303     m_placeholderLabel->setText(i18n("Loading…"));
2304     m_placeholderLabel->setVisible(true);
2305 }
2306
2307 void DolphinView::updatePlaceholderLabel()
2308 {
2309     m_showLoadingPlaceholderTimer->stop();
2310     if (itemsCount() > 0) {
2311         m_placeholderLabel->setVisible(false);
2312         return;
2313     }
2314
2315     if (m_loadingState == LoadingState::Loading) {
2316         m_placeholderLabel->setVisible(false);
2317         m_showLoadingPlaceholderTimer->start();
2318         return;
2319     }
2320
2321     if (m_loadingState == LoadingState::Canceled) {
2322         m_placeholderLabel->setText(i18n("Loading canceled"));
2323     } else if (!nameFilter().isEmpty()) {
2324         m_placeholderLabel->setText(i18n("No items matching the filter"));
2325     } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
2326         m_placeholderLabel->setText(i18n("No items matching the search"));
2327     } else if (m_url.scheme() == QLatin1String("trash") && m_url.path() == QLatin1String("/")) {
2328         m_placeholderLabel->setText(i18n("Trash is empty"));
2329     } else if (m_url.scheme() == QLatin1String("tags")) {
2330         if (m_url.path() == QLatin1Char('/')) {
2331             m_placeholderLabel->setText(i18n("No tags"));
2332         } else {
2333             const QString tagName = m_url.path().mid(1); // Remove leading /
2334             m_placeholderLabel->setText(i18n("No files tagged with \"%1\"", tagName));
2335         }
2336
2337     } else if (m_url.scheme() == QLatin1String("recentlyused")) {
2338         m_placeholderLabel->setText(i18n("No recently used items"));
2339     } else if (m_url.scheme() == QLatin1String("smb")) {
2340         m_placeholderLabel->setText(i18n("No shared folders found"));
2341     } else if (m_url.scheme() == QLatin1String("network")) {
2342         m_placeholderLabel->setText(i18n("No relevant network resources found"));
2343     } else if (m_url.scheme() == QLatin1String("mtp") && m_url.path() == QLatin1String("/")) {
2344         m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
2345     } else if (m_url.scheme() == QLatin1String("afc") && m_url.path() == QLatin1String("/")) {
2346         m_placeholderLabel->setText(i18n("No Apple devices found"));
2347     } else if (m_url.scheme() == QLatin1String("bluetooth")) {
2348         m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
2349     } else {
2350         m_placeholderLabel->setText(i18n("Folder is empty"));
2351     }
2352
2353     m_placeholderLabel->setVisible(true);
2354 }
2355
2356 bool DolphinView::tryShowNameToolTip(QHelpEvent *event)
2357 {
2358     if (!GeneralSettings::showToolTips() && m_mode == DolphinView::IconsView) {
2359         const std::optional<int> index = m_view->itemAt(event->pos());
2360
2361         if (!index.has_value()) {
2362             return false;
2363         }
2364
2365         // Check whether the filename has been elided
2366         const bool isElided = m_view->isElided(index.value());
2367
2368         if (isElided) {
2369             const KFileItem item = m_model->fileItem(index.value());
2370             const QString text = item.text();
2371             const QPoint pos = mapToGlobal(event->pos());
2372             QToolTip::showText(pos, text);
2373             return true;
2374         }
2375     }
2376     return false;
2377 }
2378
2379 #include "moc_dolphinview.cpp"