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         ViewProperties props(viewPropertiesUrl());
 280         props.setViewMode(mode);
 281
 282         // We pass the new ViewProperties to applyViewProperties, rather than
 283         // storing them on disk and letting applyViewProperties() read them
 284         // from there, to prevent that changing the view mode fails if the
 285         // .directory file is not writable (see bug 318534).
 286         applyViewProperties(props);
 287     }
 288 }
 289
 290 DolphinView::Mode DolphinView::viewMode() const
 291 {
 292     return m_mode;
 293 }
 294
 295 void DolphinView::setSelectionModeEnabled(const bool enabled)
 296 {
 297     if (enabled) {
 298         if (!m_proxyStyle) {
 299             m_proxyStyle = std::make_unique<SelectionMode::SingleClickSelectionProxyStyle>();
 300         }
 301         setStyle(m_proxyStyle.get());
 302         m_view->setStyle(m_proxyStyle.get());
 303         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::False);
 304     } else {
 305         setStyle(QApplication::style());
 306         m_view->setStyle(QApplication::style());
 307         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::FollowSetting);
 308     }
 309     m_container->controller()->setSelectionModeEnabled(enabled);
 310 }
 311
 312 bool DolphinView::selectionMode() const
 313 {
 314     return m_container->controller()->selectionMode();
 315 }
 316
 317 void DolphinView::setPreviewsShown(bool show)
 318 {
 319     if (previewsShown() == show) {
 320         return;
 321     }
 322
 323     ViewProperties props(viewPropertiesUrl());
 324     props.setPreviewsShown(show);
 325
 326     const int oldZoomLevel = m_view->zoomLevel();
 327     m_view->setPreviewsShown(show);
 328     Q_EMIT previewsShownChanged(show);
 329
 330     const int newZoomLevel = m_view->zoomLevel();
 331     if (newZoomLevel != oldZoomLevel) {
 332         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 333     }
 334 }
 335
 336 bool DolphinView::previewsShown() const
 337 {
 338     return m_view->previewsShown();
 339 }
 340
 341 void DolphinView::setHiddenFilesShown(bool show)
 342 {
 343     if (m_model->showHiddenFiles() == show) {
 344         return;
 345     }
 346
 347     const KFileItemList itemList = selectedItems();
 348     m_selectedUrls.clear();
 349     m_selectedUrls = itemList.urlList();
 350
 351     ViewProperties props(viewPropertiesUrl());
 352     props.setHiddenFilesShown(show);
 353
 354     m_model->setShowHiddenFiles(show);
 355     Q_EMIT hiddenFilesShownChanged(show);
 356 }
 357
 358 bool DolphinView::hiddenFilesShown() const
 359 {
 360     return m_model->showHiddenFiles();
 361 }
 362
 363 void DolphinView::setGroupedSorting(bool grouped)
 364 {
 365     if (grouped == groupedSorting()) {
 366         return;
 367     }
 368
 369     ViewProperties props(viewPropertiesUrl());
 370     props.setGroupedSorting(grouped);
 371     props.save();
 372
 373     m_container->controller()->model()->setGroupedSorting(grouped);
 374
 375     Q_EMIT groupedSortingChanged(grouped);
 376 }
 377
 378 bool DolphinView::groupedSorting() const
 379 {
 380     return m_model->groupedSorting();
 381 }
 382
 383 KFileItemList DolphinView::items() const
 384 {
 385     KFileItemList list;
 386     const int itemCount = m_model->count();
 387     list.reserve(itemCount);
 388
 389     for (int i = 0; i < itemCount; ++i) {
 390         list.append(m_model->fileItem(i));
 391     }
 392
 393     return list;
 394 }
 395
 396 int DolphinView::itemsCount() const
 397 {
 398     return m_model->count();
 399 }
 400
 401 KFileItemList DolphinView::selectedItems() const
 402 {
 403     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 404
 405     KFileItemList selectedItems;
 406     const auto items = selectionManager->selectedItems();
 407     selectedItems.reserve(items.count());
 408     for (int index : items) {
 409         selectedItems.append(m_model->fileItem(index));
 410     }
 411     return selectedItems;
 412 }
 413
 414 int DolphinView::selectedItemsCount() const
 415 {
 416     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 417     return selectionManager->selectedItems().count();
 418 }
 419
 420 void DolphinView::markUrlsAsSelected(const QList<QUrl> &urls)
 421 {
 422     m_selectedUrls = urls;
 423     m_selectJobCreatedItems = false;
 424 }
 425
 426 void DolphinView::markUrlAsCurrent(const QUrl &url)
 427 {
 428     m_currentItemUrl = url;
 429     m_scrollToCurrentItem = true;
 430 }
 431
 432 void DolphinView::selectItems(const QRegularExpression &regexp, bool enabled)
 433 {
 434     const KItemListSelectionManager::SelectionMode mode = enabled ? KItemListSelectionManager::Select : KItemListSelectionManager::Deselect;
 435     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 436
 437     for (int index = 0; index < m_model->count(); index++) {
 438         const KFileItem item = m_model->fileItem(index);
 439         if (regexp.match(item.text()).hasMatch()) {
 440             // An alternative approach would be to store the matching items in a KItemSet and
 441             // select them in one go after the loop, but we'd need a new function
 442             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 443             // for that.
 444             selectionManager->setSelected(index, 1, mode);
 445         }
 446     }
 447 }
 448
 449 void DolphinView::setZoomLevel(int level)
 450 {
 451     const int oldZoomLevel = zoomLevel();
 452     m_view->setZoomLevel(level);
 453     if (zoomLevel() != oldZoomLevel) {
 454         hideToolTip();
 455         Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
 456     }
 457 }
 458
 459 int DolphinView::zoomLevel() const
 460 {
 461     return m_view->zoomLevel();
 462 }
 463
 464 void DolphinView::setSortRole(const QByteArray &role)
 465 {
 466     if (role != sortRole()) {
 467         updateSortRole(role);
 468     }
 469 }
 470
 471 QByteArray DolphinView::sortRole() const
 472 {
 473     const KItemModelBase *model = m_container->controller()->model();
 474     return model->sortRole();
 475 }
 476
 477 void DolphinView::setSortOrder(Qt::SortOrder order)
 478 {
 479     if (sortOrder() != order) {
 480         updateSortOrder(order);
 481     }
 482 }
 483
 484 Qt::SortOrder DolphinView::sortOrder() const
 485 {
 486     return m_model->sortOrder();
 487 }
 488
 489 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 490 {
 491     if (sortFoldersFirst() != foldersFirst) {
 492         updateSortFoldersFirst(foldersFirst);
 493     }
 494 }
 495
 496 bool DolphinView::sortFoldersFirst() const
 497 {
 498     return m_model->sortDirectoriesFirst();
 499 }
 500
 501 void DolphinView::setSortHiddenLast(bool hiddenLast)
 502 {
 503     if (sortHiddenLast() != hiddenLast) {
 504         updateSortHiddenLast(hiddenLast);
 505     }
 506 }
 507
 508 bool DolphinView::sortHiddenLast() const
 509 {
 510     return m_model->sortHiddenLast();
 511 }
 512
 513 void DolphinView::setVisibleRoles(const QList<QByteArray> &roles)
 514 {
 515     const QList<QByteArray> previousRoles = roles;
 516
 517     ViewProperties props(viewPropertiesUrl());
 518     props.setVisibleRoles(roles);
 519
 520     m_visibleRoles = roles;
 521     m_view->setVisibleRoles(roles);
 522
 523     Q_EMIT visibleRolesChanged(m_visibleRoles, previousRoles);
 524 }
 525
 526 QList<QByteArray> DolphinView::visibleRoles() const
 527 {
 528     return m_visibleRoles;
 529 }
 530
 531 void DolphinView::reload()
 532 {
 533     QByteArray viewState;
 534     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 535     saveState(saveStream);
 536
 537     setUrl(url());
 538     loadDirectory(url(), true);
 539
 540     QDataStream restoreStream(viewState);
 541     restoreState(restoreStream);
 542 }
 543
 544 void DolphinView::readSettings()
 545 {
 546     const int oldZoomLevel = m_view->zoomLevel();
 547
 548     GeneralSettings::self()->load();
 549     m_view->readSettings();
 550     applyViewProperties();
 551
 552     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 553     m_container->controller()->setAutoActivationDelay(delay);
 554
 555     const int newZoomLevel = m_view->zoomLevel();
 556     if (newZoomLevel != oldZoomLevel) {
 557         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 558     }
 559 }
 560
 561 void DolphinView::writeSettings()
 562 {
 563     GeneralSettings::self()->save();
 564     m_view->writeSettings();
 565 }
 566
 567 void DolphinView::setNameFilter(const QString &nameFilter)
 568 {
 569     m_model->setNameFilter(nameFilter);
 570 }
 571
 572 QString DolphinView::nameFilter() const
 573 {
 574     return m_model->nameFilter();
 575 }
 576
 577 void DolphinView::setMimeTypeFilters(const QStringList &filters)
 578 {
 579     return m_model->setMimeTypeFilters(filters);
 580 }
 581
 582 QStringList DolphinView::mimeTypeFilters() const
 583 {
 584     return m_model->mimeTypeFilters();
 585 }
 586
 587 void DolphinView::requestStatusBarText()
 588 {
 589     if (m_statJobForStatusBarText) {
 590         // Kill the pending request.
 591         m_statJobForStatusBarText->kill();
 592     }
 593
 594     if (m_container->controller()->selectionManager()->hasSelection()) {
 595         int folderCount = 0;
 596         int fileCount = 0;
 597         KIO::filesize_t totalFileSize = 0;
 598
 599         // Give a summary of the status of the selected files
 600         const KFileItemList list = selectedItems();
 601         for (const KFileItem &item : list) {
 602             if (item.isDir()) {
 603                 ++folderCount;
 604             } else {
 605                 ++fileCount;
 606                 totalFileSize += item.size();
 607             }
 608         }
 609
 610         if (folderCount + fileCount == 1) {
 611             // If only one item is selected, show info about it
 612             Q_EMIT statusBarTextChanged(list.first().getStatusBarInfo());
 613         } else {
 614             // At least 2 items are selected
 615             emitStatusBarText(folderCount, fileCount, totalFileSize, HasSelection);
 616         }
 617     } else { // has no selection
 618         if (!m_model->rootItem().url().isValid()) {
 619             return;
 620         }
 621
 622         m_statJobForStatusBarText = KIO::stat(m_model->rootItem().url(), KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
 623         connect(m_statJobForStatusBarText, &KJob::result, this, &DolphinView::slotStatJobResult);
 624         m_statJobForStatusBarText->start();
 625     }
 626 }
 627
 628 void DolphinView::emitStatusBarText(const int folderCount, const int fileCount, KIO::filesize_t totalFileSize, const Selection selection)
 629 {
 630     QString foldersText;
 631     QString filesText;
 632     QString summary;
 633
 634     if (selection == HasSelection) {
 635         // At least 2 items are selected because the case of 1 selected item is handled in
 636         // DolphinView::requestStatusBarText().
 637         foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 638         filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 639     } else {
 640         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 641         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 642     }
 643
 644     if (fileCount > 0 && folderCount > 0) {
 645         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)", foldersText, filesText, KFormat().formatByteSize(totalFileSize));
 646     } else if (fileCount > 0) {
 647         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, KFormat().formatByteSize(totalFileSize));
 648     } else if (folderCount > 0) {
 649         summary = foldersText;
 650     } else {
 651         summary = i18nc("@info:status", "0 Folders, 0 Files");
 652     }
 653     Q_EMIT statusBarTextChanged(summary);
 654 }
 655
 656 QList<QAction *> DolphinView::versionControlActions(const KFileItemList &items) const
 657 {
 658     QList<QAction *> actions;
 659
 660     if (items.isEmpty()) {
 661         const KFileItem item = m_model->rootItem();
 662         if (!item.isNull()) {
 663             actions = m_versionControlObserver->actions(KFileItemList() << item);
 664         }
 665     } else {
 666         actions = m_versionControlObserver->actions(items);
 667     }
 668
 669     return actions;
 670 }
 671
 672 void DolphinView::setUrl(const QUrl &url)
 673 {
 674     if (url == m_url) {
 675         return;
 676     }
 677
 678     clearSelection();
 679
 680     m_url = url;
 681
 682     hideToolTip();
 683
 684     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 685
 686     // It is important to clear the items from the model before
 687     // applying the view properties, otherwise expensive operations
 688     // might be done on the existing items although they get cleared
 689     // anyhow afterwards by loadDirectory().
 690     m_model->clear();
 691     applyViewProperties();
 692     loadDirectory(url);
 693
 694     Q_EMIT urlChanged(url);
 695 }
 696
 697 void DolphinView::selectAll()
 698 {
 699     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 700     selectionManager->setSelected(0, m_model->count());
 701 }
 702
 703 void DolphinView::invertSelection()
 704 {
 705     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 706     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 707 }
 708
 709 void DolphinView::clearSelection()
 710 {
 711     m_selectJobCreatedItems = false;
 712     m_selectedUrls.clear();
 713     m_container->controller()->selectionManager()->clearSelection();
 714 }
 715
 716 void DolphinView::renameSelectedItems()
 717 {
 718     const KFileItemList items = selectedItems();
 719     if (items.isEmpty()) {
 720         return;
 721     }
 722
 723     if (items.count() == 1 && GeneralSettings::renameInline()) {
 724         const int index = m_model->index(items.first());
 725
 726         QMetaObject::Connection *const connection = new QMetaObject::Connection;
 727         *connection = connect(m_view, &KItemListView::scrollingStopped, this, [=]() {
 728             QObject::disconnect(*connection);
 729             delete connection;
 730
 731             m_view->editRole(index, "text");
 732
 733             hideToolTip();
 734
 735             connect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 736         });
 737         m_view->scrollToItem(index);
 738
 739     } else {
 740         KIO::RenameFileDialog *dialog = new KIO::RenameFileDialog(items, this);
 741         connect(dialog, &KIO::RenameFileDialog::renamingFinished, this, &DolphinView::slotRenameDialogRenamingFinished);
 742
 743         dialog->open();
 744     }
 745
 746     // Assure that the current index remains visible when KFileItemModel
 747     // will notify the view about changed items (which might result in
 748     // a changed sorting).
 749     m_assureVisibleCurrentIndex = true;
 750 }
 751
 752 void DolphinView::trashSelectedItems()
 753 {
 754     const QList<QUrl> list = simplifiedSelectedUrls();
 755
 756     using Iface = KIO::AskUserActionInterface;
 757     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Trash, Iface::DefaultConfirmation, this);
 758     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 759     m_selectNextItem = true;
 760     trashJob->start();
 761 }
 762
 763 void DolphinView::deleteSelectedItems()
 764 {
 765     const QList<QUrl> list = simplifiedSelectedUrls();
 766
 767     using Iface = KIO::AskUserActionInterface;
 768     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Delete, Iface::DefaultConfirmation, this);
 769     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 770     m_selectNextItem = true;
 771     trashJob->start();
 772 }
 773
 774 void DolphinView::cutSelectedItemsToClipboard()
 775 {
 776     QMimeData *mimeData = selectionMimeData();
 777     KIO::setClipboardDataCut(mimeData, true);
 778     KUrlMimeData::exportUrlsToPortal(mimeData);
 779     QApplication::clipboard()->setMimeData(mimeData);
 780 }
 781
 782 void DolphinView::copySelectedItemsToClipboard()
 783 {
 784     QMimeData *mimeData = selectionMimeData();
 785     KUrlMimeData::exportUrlsToPortal(mimeData);
 786     QApplication::clipboard()->setMimeData(mimeData);
 787 }
 788
 789 void DolphinView::copySelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 790 {
 791     if (selection.isEmpty() || !destinationUrl.isValid()) {
 792         return;
 793     }
 794
 795     m_clearSelectionBeforeSelectingNewItems = true;
 796     m_markFirstNewlySelectedItemAsCurrent = true;
 797     m_selectJobCreatedItems = true;
 798
 799     KIO::CopyJob *job = KIO::copy(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 800     KJobWidgets::setWindow(job, this);
 801
 802     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 803     connect(job, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
 804     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 805     KIO::FileUndoManager::self()->recordCopyJob(job);
 806 }
 807
 808 void DolphinView::moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 809 {
 810     if (selection.isEmpty() || !destinationUrl.isValid()) {
 811         return;
 812     }
 813
 814     m_clearSelectionBeforeSelectingNewItems = true;
 815     m_markFirstNewlySelectedItemAsCurrent = true;
 816     m_selectJobCreatedItems = true;
 817
 818     KIO::CopyJob *job = KIO::move(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 819     KJobWidgets::setWindow(job, this);
 820
 821     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 822     connect(job, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
 823     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 824     KIO::FileUndoManager::self()->recordCopyJob(job);
 825 }
 826
 827 void DolphinView::paste()
 828 {
 829     pasteToUrl(url());
 830 }
 831
 832 void DolphinView::pasteIntoFolder()
 833 {
 834     const KFileItemList items = selectedItems();
 835     if ((items.count() == 1) && items.first().isDir()) {
 836         pasteToUrl(items.first().url());
 837     }
 838 }
 839
 840 void DolphinView::duplicateSelectedItems()
 841 {
 842     const KFileItemList itemList = selectedItems();
 843     if (itemList.isEmpty()) {
 844         return;
 845     }
 846
 847     const QMimeDatabase db;
 848
 849     // Duplicate all selected items and append "copy" to the end of the file name
 850     // but before the filename extension, if present
 851     QList<QUrl> newSelection;
 852     for (const auto &item : itemList) {
 853         const QUrl originalURL = item.url();
 854         const QString originalDirectoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 855         const QString originalFileName = item.name();
 856
 857         QString extension = db.suffixForFileName(originalFileName);
 858
 859         QUrl duplicateURL = originalURL;
 860
 861         // No extension; new filename is "<oldfilename> copy"
 862         if (extension.isEmpty()) {
 863             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFileName));
 864             // There's an extension; new filename is "<oldfilename> copy.<extension>"
 865         } else {
 866             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 867             extension = QLatin1String(".") + extension;
 868             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 869             // Preserve file's original filename extension in case the casing differs
 870             // from what QMimeDatabase::suffixForFileName() returned
 871             const QString originalExtension = originalFileName.right(extension.size());
 872             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFilenameWithoutExtension) + originalExtension);
 873         }
 874
 875         KIO::CopyJob *job = KIO::copyAs(originalURL, duplicateURL);
 876         KJobWidgets::setWindow(job, this);
 877
 878         if (job) {
 879             newSelection << duplicateURL;
 880             KIO::FileUndoManager::self()->recordCopyJob(job);
 881         }
 882     }
 883
 884     forceUrlsSelection(newSelection.first(), newSelection);
 885 }
 886
 887 void DolphinView::stopLoading()
 888 {
 889     m_model->cancelDirectoryLoading();
 890 }
 891
 892 void DolphinView::updatePalette()
 893 {
 894     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 895     if (!m_active) {
 896         color.setAlpha(150);
 897     }
 898
 899     QWidget *viewport = m_container->viewport();
 900     if (viewport) {
 901         QPalette palette;
 902         palette.setColor(viewport->backgroundRole(), color);
 903         viewport->setPalette(palette);
 904     }
 905
 906     update();
 907 }
 908
 909 void DolphinView::abortTwoClicksRenaming()
 910 {
 911     m_twoClicksRenamingItemUrl.clear();
 912     m_twoClicksRenamingTimer->stop();
 913 }
 914
 915 bool DolphinView::eventFilter(QObject *watched, QEvent *event)
 916 {
 917     switch (event->type()) {
 918     case QEvent::PaletteChange:
 919         updatePalette();
 920         QPixmapCache::clear();
 921         break;
 922
 923     case QEvent::WindowActivate:
 924     case QEvent::WindowDeactivate:
 925         updatePalette();
 926         break;
 927
 928     case QEvent::KeyPress:
 929         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 930         if (GeneralSettings::useTabForSwitchingSplitView()) {
 931             QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
 932             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 933                 Q_EMIT toggleActiveViewRequested();
 934                 return true;
 935             }
 936         }
 937         break;
 938     case QEvent::KeyRelease:
 939         if (static_cast<QKeyEvent *>(event)->key() == Qt::Key_Control) {
 940             m_controlWheelAccumulatedDelta = 0;
 941         }
 942         break;
 943     case QEvent::FocusIn:
 944         if (watched == m_container) {
 945             setActive(true);
 946         }
 947         break;
 948
 949     case QEvent::GraphicsSceneDragEnter:
 950         if (watched == m_view) {
 951             m_dragging = true;
 952             abortTwoClicksRenaming();
 953         }
 954         break;
 955
 956     case QEvent::GraphicsSceneDragLeave:
 957         if (watched == m_view) {
 958             m_dragging = false;
 959         }
 960         break;
 961
 962     case QEvent::GraphicsSceneDrop:
 963         if (watched == m_view) {
 964             m_dragging = false;
 965         }
 966         break;
 967
 968     case QEvent::ToolTip: {
 969         const auto helpEvent = static_cast<QHelpEvent *>(event);
 970         if (tryShowNameToolTip(helpEvent)) {
 971             return true;
 972
 973         } else if (m_hoveredColumnHeaderIndex) {
 974             const auto rolesInfo = KFileItemModel::rolesInformation();
 975             const auto visibleRole = m_visibleRoles.value(*m_hoveredColumnHeaderIndex);
 976
 977             for (const KFileItemModel::RoleInfo &info : rolesInfo) {
 978                 if (visibleRole == info.role) {
 979                     QToolTip::showText(helpEvent->globalPos(), info.tooltip, this);
 980                     return true;
 981                 }
 982             }
 983         }
 984         break;
 985     }
 986     default:
 987         break;
 988     }
 989
 990     return QWidget::eventFilter(watched, event);
 991 }
 992
 993 void DolphinView::wheelEvent(QWheelEvent *event)
 994 {
 995     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 996         m_controlWheelAccumulatedDelta += event->angleDelta().y();
 997
 998         if (m_controlWheelAccumulatedDelta <= -QWheelEvent::DefaultDeltasPerStep) {
 999             slotDecreaseZoom();
1000             m_controlWheelAccumulatedDelta += QWheelEvent::DefaultDeltasPerStep;
1001         } else if (m_controlWheelAccumulatedDelta >= QWheelEvent::DefaultDeltasPerStep) {
1002             slotIncreaseZoom();
1003             m_controlWheelAccumulatedDelta -= QWheelEvent::DefaultDeltasPerStep;
1004         }
1005
1006         event->accept();
1007     } else {
1008         event->ignore();
1009     }
1010 }
1011
1012 void DolphinView::hideEvent(QHideEvent *event)
1013 {
1014     hideToolTip();
1015     QWidget::hideEvent(event);
1016 }
1017
1018 bool DolphinView::event(QEvent *event)
1019 {
1020     if (event->type() == QEvent::WindowDeactivate) {
1021         /* See Bug 297355
1022          * Dolphin leaves file preview tooltips open even when is not visible.
1023          *
1024          * Hide tool-tip when Dolphin loses focus.
1025          */
1026         hideToolTip();
1027         abortTwoClicksRenaming();
1028     }
1029
1030     return QWidget::event(event);
1031 }
1032
1033 void DolphinView::activate()
1034 {
1035     setActive(true);
1036 }
1037
1038 void DolphinView::slotItemActivated(int index)
1039 {
1040     abortTwoClicksRenaming();
1041
1042     const KFileItem item = m_model->fileItem(index);
1043     if (!item.isNull()) {
1044         Q_EMIT itemActivated(item);
1045     }
1046 }
1047
1048 void DolphinView::slotItemsActivated(const KItemSet &indexes)
1049 {
1050     Q_ASSERT(indexes.count() >= 2);
1051
1052     abortTwoClicksRenaming();
1053
1054     const auto modifiers = QGuiApplication::keyboardModifiers();
1055
1056     if (indexes.count() > 5) {
1057         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
1058 #if KWIDGETSADDONS_VERSION >= QT_VERSION_CHECK(5, 100, 0)
1059         const int answer = KMessageBox::warningTwoActions(
1060             this,
1061             question,
1062             {},
1063 #else
1064         const int answer =
1065             KMessageBox::warningYesNo(this,
1066                                       question,
1067                                       {},
1068 #endif
1069             KGuiItem(i18ncp("@action:button", "Open %1 Item", "Open %1 Items", indexes.count()), QStringLiteral("document-open")),
1070             KStandardGuiItem::cancel());
1071 #if KWIDGETSADDONS_VERSION >= QT_VERSION_CHECK(5, 100, 0)
1072         if (answer != KMessageBox::PrimaryAction) {
1073 #else
1074         if (answer != KMessageBox::Yes) {
1075 #endif
1076             return;
1077         }
1078     }
1079
1080     KFileItemList items;
1081     items.reserve(indexes.count());
1082
1083     for (int index : indexes) {
1084         KFileItem item = m_model->fileItem(index);
1085         const QUrl &url = openItemAsFolderUrl(item);
1086
1087         if (!url.isEmpty()) {
1088             // Open folders in new tabs or in new windows depending on the modifier
1089             // The ctrl+shift behavior is ignored because we are handling multiple items
1090             // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1091             if (modifiers & Qt::ShiftModifier && !(modifiers & Qt::ControlModifier)) {
1092                 Q_EMIT windowRequested(url);
1093             } else {
1094                 Q_EMIT tabRequested(url);
1095             }
1096         } else {
1097             items.append(item);
1098         }
1099     }
1100
1101     if (items.count() == 1) {
1102         Q_EMIT itemActivated(items.first());
1103     } else if (items.count() > 1) {
1104         Q_EMIT itemsActivated(items);
1105     }
1106 }
1107
1108 void DolphinView::slotItemMiddleClicked(int index)
1109 {
1110     const KFileItem &item = m_model->fileItem(index);
1111     const QUrl &url = openItemAsFolderUrl(item);
1112     const auto modifiers = QGuiApplication::keyboardModifiers();
1113     const QString &archiveProtocol = KProtocolManager::protocolForArchiveMimetype(item.mimetype());
1114     if (!url.isEmpty()) {
1115         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1116         if (modifiers & Qt::ShiftModifier) {
1117             Q_EMIT activeTabRequested(url);
1118         } else {
1119             Q_EMIT tabRequested(url);
1120         }
1121     } else if (!archiveProtocol.isEmpty() && isTabsForFilesEnabled()) {
1122         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1123         if (modifiers & Qt::ShiftModifier) {
1124             Q_EMIT activeTabRequested(item.url());
1125         } else {
1126             Q_EMIT tabRequested(item.url());
1127         }
1128     } else {
1129         Q_EMIT fileMiddleClickActivated(item);
1130     }
1131 }
1132
1133 void DolphinView::slotItemContextMenuRequested(int index, const QPointF &pos)
1134 {
1135     // Force emit of a selection changed signal before we request the
1136     // context menu, to update the edit-actions first. (See Bug 294013)
1137     if (m_selectionChangedTimer->isActive()) {
1138         emitSelectionChangedSignal();
1139     }
1140
1141     const KFileItem item = m_model->fileItem(index);
1142     Q_EMIT requestContextMenu(pos.toPoint(), item, selectedItems(), url());
1143 }
1144
1145 void DolphinView::slotViewContextMenuRequested(const QPointF &pos)
1146 {
1147     Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), selectedItems(), url());
1148 }
1149
1150 void DolphinView::slotHeaderContextMenuRequested(const QPointF &pos)
1151 {
1152     ViewProperties props(viewPropertiesUrl());
1153
1154     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
1155
1156     KItemListView *view = m_container->controller()->view();
1157     const QList<QByteArray> visibleRolesSet = view->visibleRoles();
1158
1159     bool indexingEnabled = false;
1160 #if HAVE_BALOO
1161     Baloo::IndexerConfig config;
1162     indexingEnabled = config.fileIndexingEnabled();
1163 #endif
1164
1165     QString groupName;
1166     QMenu *groupMenu = nullptr;
1167
1168     // Add all roles to the menu that can be shown or hidden by the user
1169     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
1170     for (const KFileItemModel::RoleInfo &info : rolesInfo) {
1171         if (info.role == "text") {
1172             // It should not be possible to hide the "text" role
1173             continue;
1174         }
1175
1176         const QString text = m_model->roleDescription(info.role);
1177         QAction *action = nullptr;
1178         if (info.group.isEmpty()) {
1179             action = menu->addAction(text);
1180         } else {
1181             if (!groupMenu || info.group != groupName) {
1182                 groupName = info.group;
1183                 groupMenu = menu->addMenu(groupName);
1184             }
1185
1186             action = groupMenu->addAction(text);
1187         }
1188
1189         action->setCheckable(true);
1190         action->setChecked(visibleRolesSet.contains(info.role));
1191         action->setData(info.role);
1192         action->setToolTip(info.tooltip);
1193
1194         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) || (info.requiresBaloo) || (info.requiresIndexer && indexingEnabled);
1195         action->setEnabled(enable);
1196     }
1197
1198     menu->addSeparator();
1199
1200     QActionGroup *widthsGroup = new QActionGroup(menu);
1201     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1202
1203     QAction *toggleSidePaddingAction = menu->addAction(i18nc("@action:inmenu", "Side Padding"));
1204     toggleSidePaddingAction->setCheckable(true);
1205     toggleSidePaddingAction->setChecked(view->header()->sidePadding() > 0);
1206
1207     QAction *autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1208     autoAdjustWidthsAction->setCheckable(true);
1209     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1210     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1211
1212     QAction *customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1213     customWidthsAction->setCheckable(true);
1214     customWidthsAction->setChecked(!autoColumnWidths);
1215     customWidthsAction->setActionGroup(widthsGroup);
1216
1217     QAction *action = menu->exec(pos.toPoint());
1218     if (menu && action) {
1219         KItemListHeader *header = view->header();
1220
1221         if (action == autoAdjustWidthsAction) {
1222             // Clear the column-widths from the viewproperties and turn on
1223             // the automatic resizing of the columns
1224             props.setHeaderColumnWidths(QList<int>());
1225             header->setAutomaticColumnResizing(true);
1226         } else if (action == customWidthsAction) {
1227             // Apply the current column-widths as custom column-widths and turn
1228             // off the automatic resizing of the columns
1229             QList<int> columnWidths;
1230             const auto visibleRoles = view->visibleRoles();
1231             columnWidths.reserve(visibleRoles.count());
1232             for (const QByteArray &role : visibleRoles) {
1233                 columnWidths.append(header->columnWidth(role));
1234             }
1235             props.setHeaderColumnWidths(columnWidths);
1236             header->setAutomaticColumnResizing(false);
1237         } else if (action == toggleSidePaddingAction) {
1238             header->setSidePadding(toggleSidePaddingAction->isChecked() ? 20 : 0);
1239         } else {
1240             // Show or hide the selected role
1241             const QByteArray selectedRole = action->data().toByteArray();
1242
1243             QList<QByteArray> visibleRoles = view->visibleRoles();
1244             if (action->isChecked()) {
1245                 visibleRoles.append(selectedRole);
1246             } else {
1247                 visibleRoles.removeOne(selectedRole);
1248             }
1249
1250             view->setVisibleRoles(visibleRoles);
1251             props.setVisibleRoles(visibleRoles);
1252
1253             QList<int> columnWidths;
1254             if (!header->automaticColumnResizing()) {
1255                 const auto visibleRoles = view->visibleRoles();
1256                 columnWidths.reserve(visibleRoles.count());
1257                 for (const QByteArray &role : visibleRoles) {
1258                     columnWidths.append(header->columnWidth(role));
1259                 }
1260             }
1261             props.setHeaderColumnWidths(columnWidths);
1262         }
1263     }
1264
1265     delete menu;
1266 }
1267
1268 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray &role, qreal current)
1269 {
1270     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1271
1272     ViewProperties props(viewPropertiesUrl());
1273     QList<int> columnWidths = props.headerColumnWidths();
1274     if (columnWidths.count() != visibleRoles.count()) {
1275         columnWidths.clear();
1276         columnWidths.reserve(visibleRoles.count());
1277         const KItemListHeader *header = m_view->header();
1278         for (const QByteArray &role : visibleRoles) {
1279             const int width = header->columnWidth(role);
1280             columnWidths.append(width);
1281         }
1282     }
1283
1284     const int roleIndex = visibleRoles.indexOf(role);
1285     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1286     columnWidths[roleIndex] = current;
1287
1288     props.setHeaderColumnWidths(columnWidths);
1289 }
1290
1291 void DolphinView::slotSidePaddingWidthChanged(qreal width)
1292 {
1293     ViewProperties props(viewPropertiesUrl());
1294     DetailsModeSettings::setSidePadding(int(width));
1295     m_view->writeSettings();
1296 }
1297
1298 void DolphinView::slotItemHovered(int index)
1299 {
1300     const KFileItem item = m_model->fileItem(index);
1301
1302     if (GeneralSettings::showToolTips() && !m_dragging) {
1303         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1304         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1305         itemRect.moveTo(pos);
1306
1307 #if HAVE_BALOO
1308         auto nativeParent = nativeParentWidget();
1309         if (nativeParent) {
1310             m_toolTipManager->showToolTip(item, itemRect, nativeParent->windowHandle());
1311         }
1312 #endif
1313     }
1314
1315     Q_EMIT requestItemInfo(item);
1316 }
1317
1318 void DolphinView::slotItemUnhovered(int index)
1319 {
1320     Q_UNUSED(index)
1321     hideToolTip();
1322     Q_EMIT requestItemInfo(KFileItem());
1323 }
1324
1325 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent *event)
1326 {
1327     QUrl destUrl;
1328     KFileItem destItem = m_model->fileItem(index);
1329     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1330         // Use the URL of the view as drop target if the item is no directory
1331         // or desktop-file
1332         destItem = m_model->rootItem();
1333         destUrl = url();
1334     } else {
1335         // The item represents a directory or desktop-file
1336         destUrl = destItem.mostLocalUrl();
1337     }
1338
1339     QDropEvent dropEvent(event->pos().toPoint(), event->possibleActions(), event->mimeData(), event->buttons(), event->modifiers());
1340     dropUrls(destUrl, &dropEvent, this);
1341
1342     setActive(true);
1343 }
1344
1345 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1346 {
1347     KIO::DropJob *job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1348
1349     if (job) {
1350         connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
1351
1352         if (destUrl == url()) {
1353             // Mark the dropped urls as selected.
1354             m_clearSelectionBeforeSelectingNewItems = true;
1355             m_markFirstNewlySelectedItemAsCurrent = true;
1356             m_selectJobCreatedItems = true;
1357             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1358             connect(job, &KIO::DropJob::copyJobStarted, this, [this](const KIO::CopyJob *copyJob) {
1359                 connect(copyJob, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
1360                 connect(copyJob, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
1361                 connect(copyJob, &KIO::CopyJob::linking, this, [this](KIO::Job *job, const QString &src, const QUrl &dest) {
1362                     Q_UNUSED(job)
1363                     Q_UNUSED(src)
1364                     slotItemCreated(dest);
1365                 });
1366             });
1367         }
1368     }
1369 }
1370
1371 void DolphinView::slotModelChanged(KItemModelBase *current, KItemModelBase *previous)
1372 {
1373     if (previous != nullptr) {
1374         Q_ASSERT(qobject_cast<KFileItemModel *>(previous));
1375         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(previous);
1376         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1377         m_versionControlObserver->setModel(nullptr);
1378     }
1379
1380     if (current) {
1381         Q_ASSERT(qobject_cast<KFileItemModel *>(current));
1382         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(current);
1383         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1384         m_versionControlObserver->setModel(fileItemModel);
1385     }
1386 }
1387
1388 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1389 {
1390     Q_UNUSED(itemIndex)
1391
1392     hideToolTip();
1393
1394     if (buttons & Qt::BackButton) {
1395         Q_EMIT goBackRequested();
1396     } else if (buttons & Qt::ForwardButton) {
1397         Q_EMIT goForwardRequested();
1398     }
1399 }
1400
1401 void DolphinView::slotSelectedItemTextPressed(int index)
1402 {
1403     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1404         const KFileItem item = m_model->fileItem(index);
1405         const KFileItemListProperties capabilities(KFileItemList() << item);
1406         if (capabilities.supportsMoving()) {
1407             m_twoClicksRenamingItemUrl = item.url();
1408             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1409         }
1410     }
1411 }
1412
1413 void DolphinView::slotItemCreatedFromJob(KIO::Job *, const QUrl &, const QUrl &to)
1414 {
1415     slotItemCreated(to);
1416 }
1417
1418 void DolphinView::slotItemCreated(const QUrl &url)
1419 {
1420     if (m_markFirstNewlySelectedItemAsCurrent) {
1421         markUrlAsCurrent(url);
1422         m_markFirstNewlySelectedItemAsCurrent = false;
1423     }
1424     if (m_selectJobCreatedItems && !m_selectedUrls.contains(url)) {
1425         m_selectedUrls << url;
1426     }
1427 }
1428
1429 void DolphinView::slotJobResult(KJob *job)
1430 {
1431     if (job->error() && job->error() != KIO::ERR_USER_CANCELED) {
1432         Q_EMIT errorMessage(job->errorString());
1433     }
1434     if (!m_selectJobCreatedItems) {
1435         m_selectedUrls.clear();
1436         return;
1437     }
1438     if (!m_selectedUrls.isEmpty()) {
1439         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1440
1441         updateSelectionState();
1442         if (!m_selectedUrls.isEmpty()) {
1443             // not all urls were found, the model may not be up to date
1444             // TODO KF6 replace with Qt::singleShotConnection
1445             QMetaObject::Connection *const connection = new QMetaObject::Connection;
1446             *connection = connect(
1447                 m_model,
1448                 &KFileItemModel::directoryLoadingCompleted,
1449                 this,
1450                 [this, connection]() {
1451                     // the model should now contain all the items created by the job
1452                     updateSelectionState();
1453                     m_selectJobCreatedItems = false;
1454                     m_selectedUrls.clear();
1455                     QObject::disconnect(*connection);
1456                     delete connection;
1457                 },
1458                 Qt::UniqueConnection);
1459         } else {
1460             m_selectJobCreatedItems = false;
1461             m_selectedUrls.clear();
1462         }
1463     }
1464 }
1465
1466 void DolphinView::slotSelectionChanged(const KItemSet &current, const KItemSet &previous)
1467 {
1468     m_selectNextItem = false;
1469     const int currentCount = current.count();
1470     const int previousCount = previous.count();
1471     const bool selectionStateChanged = (currentCount == 0 && previousCount > 0) || (currentCount > 0 && previousCount == 0);
1472
1473     // If nothing has been selected before and something got selected (or if something
1474     // was selected before and now nothing is selected) the selectionChangedSignal must
1475     // be emitted asynchronously as fast as possible to update the edit-actions.
1476     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1477     m_selectionChangedTimer->start();
1478 }
1479
1480 void DolphinView::emitSelectionChangedSignal()
1481 {
1482     m_selectionChangedTimer->stop();
1483     Q_EMIT selectionChanged(selectedItems());
1484 }
1485
1486 void DolphinView::slotStatJobResult(KJob *job)
1487 {
1488     int folderCount = 0;
1489     int fileCount = 0;
1490     KIO::filesize_t totalFileSize = 0;
1491     bool countFileSize = true;
1492
1493     const auto entry = static_cast<KIO::StatJob *>(job)->statResult();
1494     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1495         // We have a precomputed value.
1496         totalFileSize = static_cast<KIO::filesize_t>(entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1497         countFileSize = false;
1498     }
1499
1500     const int itemCount = m_model->count();
1501     for (int i = 0; i < itemCount; ++i) {
1502         const KFileItem item = m_model->fileItem(i);
1503         if (item.isDir()) {
1504             ++folderCount;
1505         } else {
1506             ++fileCount;
1507             if (countFileSize) {
1508                 totalFileSize += item.size();
1509             }
1510         }
1511     }
1512     emitStatusBarText(folderCount, fileCount, totalFileSize, NoSelection);
1513 }
1514
1515 void DolphinView::updateSortRole(const QByteArray &role)
1516 {
1517     ViewProperties props(viewPropertiesUrl());
1518     props.setSortRole(role);
1519
1520     KItemModelBase *model = m_container->controller()->model();
1521     model->setSortRole(role);
1522
1523     Q_EMIT sortRoleChanged(role);
1524 }
1525
1526 void DolphinView::updateSortOrder(Qt::SortOrder order)
1527 {
1528     ViewProperties props(viewPropertiesUrl());
1529     props.setSortOrder(order);
1530
1531     m_model->setSortOrder(order);
1532
1533     Q_EMIT sortOrderChanged(order);
1534 }
1535
1536 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1537 {
1538     ViewProperties props(viewPropertiesUrl());
1539     props.setSortFoldersFirst(foldersFirst);
1540
1541     m_model->setSortDirectoriesFirst(foldersFirst);
1542
1543     Q_EMIT sortFoldersFirstChanged(foldersFirst);
1544 }
1545
1546 void DolphinView::updateSortHiddenLast(bool hiddenLast)
1547 {
1548     ViewProperties props(viewPropertiesUrl());
1549     props.setSortHiddenLast(hiddenLast);
1550
1551     m_model->setSortHiddenLast(hiddenLast);
1552
1553     Q_EMIT sortHiddenLastChanged(hiddenLast);
1554 }
1555
1556 QPair<bool, QString> DolphinView::pasteInfo() const
1557 {
1558     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1559     QPair<bool, QString> info;
1560     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1561     return info;
1562 }
1563
1564 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1565 {
1566     m_tabsForFiles = tabsForFiles;
1567 }
1568
1569 bool DolphinView::isTabsForFilesEnabled() const
1570 {
1571     return m_tabsForFiles;
1572 }
1573
1574 bool DolphinView::itemsExpandable() const
1575 {
1576     return m_mode == DetailsView;
1577 }
1578
1579 bool DolphinView::isExpanded(const KFileItem &item) const
1580 {
1581     Q_ASSERT(item.isDir());
1582     Q_ASSERT(items().contains(item));
1583     if (!itemsExpandable()) {
1584         return false;
1585     }
1586     return m_model->isExpanded(m_model->index(item));
1587 }
1588
1589 void DolphinView::restoreState(QDataStream &stream)
1590 {
1591     // Read the version number of the view state and check if the version is supported.
1592     quint32 version = 0;
1593     stream >> version;
1594     if (version != 1) {
1595         // The version of the view state isn't supported, we can't restore it.
1596         return;
1597     }
1598
1599     // Restore the current item that had the keyboard focus
1600     stream >> m_currentItemUrl;
1601
1602     // Restore the previously selected items
1603     stream >> m_selectedUrls;
1604
1605     // Restore the view position
1606     stream >> m_restoredContentsPosition;
1607
1608     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1609     QSet<QUrl> urls;
1610     stream >> urls;
1611     m_model->restoreExpandedDirectories(urls);
1612 }
1613
1614 void DolphinView::saveState(QDataStream &stream)
1615 {
1616     stream << quint32(1); // View state version
1617
1618     // Save the current item that has the keyboard focus
1619     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1620     if (currentIndex != -1) {
1621         KFileItem item = m_model->fileItem(currentIndex);
1622         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1623         QUrl currentItemUrl = item.url();
1624         stream << currentItemUrl;
1625     } else {
1626         stream << QUrl();
1627     }
1628
1629     // Save the selected urls
1630     stream << selectedItems().urlList();
1631
1632     // Save view position
1633     const qreal x = m_container->horizontalScrollBar()->value();
1634     const qreal y = m_container->verticalScrollBar()->value();
1635     stream << QPoint(x, y);
1636
1637     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1638     stream << m_model->expandedDirectories();
1639 }
1640
1641 KFileItem DolphinView::rootItem() const
1642 {
1643     return m_model->rootItem();
1644 }
1645
1646 void DolphinView::setViewPropertiesContext(const QString &context)
1647 {
1648     m_viewPropertiesContext = context;
1649 }
1650
1651 QString DolphinView::viewPropertiesContext() const
1652 {
1653     return m_viewPropertiesContext;
1654 }
1655
1656 QUrl DolphinView::openItemAsFolderUrl(const KFileItem &item, const bool browseThroughArchives)
1657 {
1658     if (item.isNull()) {
1659         return QUrl();
1660     }
1661
1662     QUrl url = item.targetUrl();
1663
1664     if (item.isDir()) {
1665         return url;
1666     }
1667
1668     if (item.isMimeTypeKnown()) {
1669         const QString &mimetype = item.mimetype();
1670
1671         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1672             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1673             // zip:/<path>/ when clicking on a zip file, etc.
1674             // The .protocol file specifies the mimetype that the kioslave handles.
1675             // Note that we don't use mimetype inheritance since we don't want to
1676             // open OpenDocument files as zip folders...
1677             const QString &protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1678             if (!protocol.isEmpty()) {
1679                 url.setScheme(protocol);
1680                 return url;
1681             }
1682         }
1683
1684         if (mimetype == QLatin1String("application/x-desktop")) {
1685             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1686             KDesktopFile desktopFile(url.toLocalFile());
1687             if (desktopFile.hasLinkType()) {
1688                 const QString linkUrl = desktopFile.readUrl();
1689                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1690                     return QUrl::fromUserInput(linkUrl);
1691                 }
1692             }
1693         }
1694     }
1695
1696     return QUrl();
1697 }
1698
1699 void DolphinView::resetZoomLevel()
1700 {
1701     ViewModeSettings settings{m_mode};
1702     settings.useDefaults(true);
1703     const int defaultIconSize = settings.iconSize();
1704     settings.useDefaults(false);
1705
1706     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(QSize(defaultIconSize, defaultIconSize)));
1707 }
1708
1709 void DolphinView::observeCreatedItem(const QUrl &url)
1710 {
1711     if (m_active) {
1712         forceUrlsSelection(url, {url});
1713     }
1714 }
1715
1716 void DolphinView::slotDirectoryRedirection(const QUrl &oldUrl, const QUrl &newUrl)
1717 {
1718     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1719         Q_EMIT redirection(oldUrl, newUrl);
1720         m_url = newUrl; // #186947
1721     }
1722 }
1723
1724 void DolphinView::updateSelectionState()
1725 {
1726     if (!m_selectedUrls.isEmpty()) {
1727         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1728
1729         // if there is a selection already, leave it that way
1730         // unless some drop/paste job are in the process of creating items
1731         if (!selectionManager->hasSelection() || m_selectJobCreatedItems) {
1732             if (m_clearSelectionBeforeSelectingNewItems) {
1733                 selectionManager->clearSelection();
1734                 m_clearSelectionBeforeSelectingNewItems = false;
1735             }
1736
1737             KItemSet selectedItems = selectionManager->selectedItems();
1738
1739             QList<QUrl>::iterator it = m_selectedUrls.begin();
1740             while (it != m_selectedUrls.end()) {
1741                 const int index = m_model->index(*it);
1742                 if (index >= 0) {
1743                     selectedItems.insert(index);
1744                     it = m_selectedUrls.erase(it);
1745                 } else {
1746                     ++it;
1747                 }
1748             }
1749
1750             if (!selectedItems.isEmpty()) {
1751                 selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1752                 selectionManager->setSelectedItems(selectedItems);
1753             }
1754         }
1755     }
1756 }
1757
1758 void DolphinView::updateViewState()
1759 {
1760     if (m_currentItemUrl != QUrl()) {
1761         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1762
1763         // if there is a selection already, leave it that way
1764         if (!selectionManager->hasSelection()) {
1765             const int currentIndex = m_model->index(m_currentItemUrl);
1766             if (currentIndex != -1) {
1767                 selectionManager->setCurrentItem(currentIndex);
1768
1769                 // scroll to current item and reset the state
1770                 if (m_scrollToCurrentItem) {
1771                     m_view->scrollToItem(currentIndex);
1772                     m_scrollToCurrentItem = false;
1773                 }
1774                 m_currentItemUrl = QUrl();
1775             } else {
1776                 selectionManager->setCurrentItem(0);
1777             }
1778         } else {
1779             m_currentItemUrl = QUrl();
1780         }
1781     }
1782
1783     if (!m_restoredContentsPosition.isNull()) {
1784         const int x = m_restoredContentsPosition.x();
1785         const int y = m_restoredContentsPosition.y();
1786         m_restoredContentsPosition = QPoint();
1787
1788         m_container->horizontalScrollBar()->setValue(x);
1789         m_container->verticalScrollBar()->setValue(y);
1790     }
1791
1792     updateSelectionState();
1793 }
1794
1795 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1796 {
1797     if (GeneralSettings::showToolTips()) {
1798 #if HAVE_BALOO
1799         m_toolTipManager->hideToolTip(behavior);
1800 #else
1801         Q_UNUSED(behavior)
1802 #endif
1803     } else if (m_mode == DolphinView::IconsView) {
1804         QToolTip::hideText();
1805     }
1806 }
1807
1808 bool DolphinView::handleSpaceAsNormalKey() const
1809 {
1810     return !m_container->hasFocus() || m_container->controller()->isSearchAsYouTypeActive();
1811 }
1812
1813 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1814 {
1815     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1816
1817     // verify that only one item is selected
1818     if (selectionManager->selectedItems().count() == 1) {
1819         const int index = selectionManager->currentItem();
1820         const QUrl fileItemUrl = m_model->fileItem(index).url();
1821
1822         // check if the selected item was the same item that started the twoClicksRenaming
1823         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1824             renameSelectedItems();
1825         }
1826     }
1827 }
1828
1829 void DolphinView::slotTrashFileFinished(KJob *job)
1830 {
1831     if (job->error() == 0) {
1832         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1833         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1834     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1835         Q_EMIT errorMessage(job->errorString());
1836     }
1837 }
1838
1839 void DolphinView::slotDeleteFileFinished(KJob *job)
1840 {
1841     if (job->error() == 0) {
1842         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1843         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1844     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1845         Q_EMIT errorMessage(job->errorString());
1846     }
1847 }
1848
1849 void DolphinView::selectNextItem()
1850 {
1851     if (m_active && m_selectNextItem) {
1852         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1853         if (selectedItems().isEmpty()) {
1854             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1855             return;
1856         }
1857         const auto lastSelectedIndex = m_model->index(selectedItems().last());
1858         if (lastSelectedIndex < 0) {
1859             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1860             return;
1861         }
1862         auto nextItem = lastSelectedIndex + 1;
1863         if (nextItem >= itemsCount()) {
1864             nextItem = lastSelectedIndex - selectedItemsCount();
1865         }
1866         if (nextItem >= 0) {
1867             selectionManager->setSelected(nextItem, 1);
1868         }
1869         m_selectNextItem = false;
1870     }
1871 }
1872
1873 void DolphinView::slotRenamingResult(KJob *job)
1874 {
1875     if (job->error()) {
1876         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1877         Q_ASSERT(copyJob);
1878         const QUrl newUrl = copyJob->destUrl();
1879         const int index = m_model->index(newUrl);
1880         if (index >= 0) {
1881             QHash<QByteArray, QVariant> data;
1882             const QUrl oldUrl = copyJob->srcUrls().at(0);
1883             data.insert("text", oldUrl.fileName());
1884             m_model->setData(index, data);
1885         }
1886     }
1887 }
1888
1889 void DolphinView::slotDirectoryLoadingStarted()
1890 {
1891     m_loadingState = LoadingState::Loading;
1892     updatePlaceholderLabel();
1893
1894     // Disable the writestate temporary until it can be determined in a fast way
1895     // in DolphinView::slotDirectoryLoadingCompleted()
1896     if (m_isFolderWritable) {
1897         m_isFolderWritable = false;
1898         Q_EMIT writeStateChanged(m_isFolderWritable);
1899     }
1900
1901     Q_EMIT directoryLoadingStarted();
1902 }
1903
1904 void DolphinView::slotDirectoryLoadingCompleted()
1905 {
1906     m_loadingState = LoadingState::Completed;
1907
1908     // Update the view-state. This has to be done asynchronously
1909     // because the view might not be in its final state yet.
1910     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1911
1912     // Update the placeholder label in case we found that the folder was empty
1913     // after loading it
1914
1915     Q_EMIT directoryLoadingCompleted();
1916
1917     updatePlaceholderLabel();
1918     updateWritableState();
1919 }
1920
1921 void DolphinView::slotDirectoryLoadingCanceled()
1922 {
1923     m_loadingState = LoadingState::Canceled;
1924
1925     updatePlaceholderLabel();
1926
1927     Q_EMIT directoryLoadingCanceled();
1928 }
1929
1930 void DolphinView::slotItemsChanged()
1931 {
1932     m_assureVisibleCurrentIndex = false;
1933 }
1934
1935 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1936 {
1937     Q_UNUSED(previous)
1938     Q_ASSERT(m_model->sortOrder() == current);
1939
1940     ViewProperties props(viewPropertiesUrl());
1941     props.setSortOrder(current);
1942
1943     Q_EMIT sortOrderChanged(current);
1944 }
1945
1946 void DolphinView::slotSortRoleChangedByHeader(const QByteArray &current, const QByteArray &previous)
1947 {
1948     Q_UNUSED(previous)
1949     Q_ASSERT(m_model->sortRole() == current);
1950
1951     ViewProperties props(viewPropertiesUrl());
1952     props.setSortRole(current);
1953
1954     Q_EMIT sortRoleChanged(current);
1955 }
1956
1957 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray> &current, const QList<QByteArray> &previous)
1958 {
1959     Q_UNUSED(previous)
1960     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1961
1962     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1963
1964     m_visibleRoles = current;
1965
1966     ViewProperties props(viewPropertiesUrl());
1967     props.setVisibleRoles(m_visibleRoles);
1968
1969     Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1970 }
1971
1972 void DolphinView::slotRoleEditingCanceled()
1973 {
1974     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1975 }
1976
1977 void DolphinView::slotRoleEditingFinished(int index, const QByteArray &role, const QVariant &value)
1978 {
1979     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1980
1981     const KFileItemList items = selectedItems();
1982     if (items.count() != 1) {
1983         return;
1984     }
1985
1986     if (role == "text") {
1987         const KFileItem oldItem = items.first();
1988         const EditResult retVal = value.value<EditResult>();
1989         const QString newName = retVal.newName;
1990         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1991             const QUrl oldUrl = oldItem.url();
1992
1993             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1994             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1995
1996 #ifndef Q_OS_WIN
1997             // Confirm hiding file/directory by renaming inline
1998             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1999                 KGuiItem yesGuiItem(i18nc("@action:button", "Rename and Hide"), QStringLiteral("view-hidden"));
2000
2001 #if KWIDGETSADDONS_VERSION >= QT_VERSION_CHECK(5, 100, 0)
2002                 const auto code =
2003                     KMessageBox::questionTwoActions(this,
2004 #else
2005                 const auto code =
2006                     KMessageBox::questionYesNo(this,
2007 #endif
2008                                                     oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
2009                                                                             "Do you still want to rename it?")
2010                                                                      : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
2011                                                                             "Do you still want to rename it?"),
2012                                                     oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
2013                                                     yesGuiItem,
2014                                                     KStandardGuiItem::cancel(),
2015                                                     QStringLiteral("ConfirmHide"));
2016
2017 #if KWIDGETSADDONS_VERSION >= QT_VERSION_CHECK(5, 100, 0)
2018                 if (code == KMessageBox::SecondaryAction) {
2019 #else
2020                 if (code == KMessageBox::No) {
2021 #endif
2022                     return;
2023                 }
2024             }
2025 #endif
2026
2027             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
2028             if (!newNameExistsAlready && m_model->index(oldUrl) == index) {
2029                 // Only change the data in the model if no item with the new name
2030                 // is in the model yet. If there is an item with the new name
2031                 // already, calling KIO::CopyJob will open a dialog
2032                 // asking for a new name, and KFileItemModel will update the
2033                 // data when the dir lister signals that the file name has changed.
2034                 QHash<QByteArray, QVariant> data;
2035                 data.insert(role, retVal.newName);
2036                 m_model->setData(index, data);
2037             }
2038
2039             KIO::Job *job = KIO::moveAs(oldUrl, newUrl);
2040             KJobWidgets::setWindow(job, this);
2041             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
2042             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
2043
2044             if (!newNameExistsAlready) {
2045                 forceUrlsSelection(newUrl, {newUrl});
2046
2047                 // Only connect the result signal if there is no item with the new name
2048                 // in the model yet, see bug 328262.
2049                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
2050             }
2051         }
2052         if (retVal.direction != EditDone) {
2053             const short indexShift = retVal.direction == EditNext ? 1 : -1;
2054             m_container->controller()->selectionManager()->setSelected(index, 1, KItemListSelectionManager::Deselect);
2055             m_container->controller()->selectionManager()->setSelected(index + indexShift, 1, KItemListSelectionManager::Select);
2056             renameSelectedItems();
2057         }
2058     }
2059 }
2060
2061 void DolphinView::loadDirectory(const QUrl &url, bool reload)
2062 {
2063     if (!url.isValid()) {
2064         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
2065         if (location.isEmpty()) {
2066             Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."));
2067         } else {
2068             Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
2069         }
2070         return;
2071     }
2072
2073     if (reload) {
2074         m_model->refreshDirectory(url);
2075     } else {
2076         m_model->loadDirectory(url);
2077     }
2078 }
2079
2080 void DolphinView::applyViewProperties()
2081 {
2082     const ViewProperties props(viewPropertiesUrl());
2083     applyViewProperties(props);
2084 }
2085
2086 void DolphinView::applyViewProperties(const ViewProperties &props)
2087 {
2088     m_view->beginTransaction();
2089
2090     const Mode mode = props.viewMode();
2091     if (m_mode != mode) {
2092         const Mode previousMode = m_mode;
2093         m_mode = mode;
2094
2095         // Changing the mode might result in changing
2096         // the zoom level. Remember the old zoom level so
2097         // that zoomLevelChanged() can get emitted.
2098         const int oldZoomLevel = m_view->zoomLevel();
2099         applyModeToView();
2100
2101         Q_EMIT modeChanged(m_mode, previousMode);
2102
2103         if (m_view->zoomLevel() != oldZoomLevel) {
2104             Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
2105         }
2106     }
2107
2108     const bool hiddenFilesShown = props.hiddenFilesShown();
2109     if (hiddenFilesShown != m_model->showHiddenFiles()) {
2110         m_model->setShowHiddenFiles(hiddenFilesShown);
2111         Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
2112     }
2113
2114     const bool groupedSorting = props.groupedSorting();
2115     if (groupedSorting != m_model->groupedSorting()) {
2116         m_model->setGroupedSorting(groupedSorting);
2117         Q_EMIT groupedSortingChanged(groupedSorting);
2118     }
2119
2120     const QByteArray sortRole = props.sortRole();
2121     if (sortRole != m_model->sortRole()) {
2122         m_model->setSortRole(sortRole);
2123         Q_EMIT sortRoleChanged(sortRole);
2124     }
2125
2126     const Qt::SortOrder sortOrder = props.sortOrder();
2127     if (sortOrder != m_model->sortOrder()) {
2128         m_model->setSortOrder(sortOrder);
2129         Q_EMIT sortOrderChanged(sortOrder);
2130     }
2131
2132     const bool sortFoldersFirst = props.sortFoldersFirst();
2133     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
2134         m_model->setSortDirectoriesFirst(sortFoldersFirst);
2135         Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
2136     }
2137
2138     const bool sortHiddenLast = props.sortHiddenLast();
2139     if (sortHiddenLast != m_model->sortHiddenLast()) {
2140         m_model->setSortHiddenLast(sortHiddenLast);
2141         Q_EMIT sortHiddenLastChanged(sortHiddenLast);
2142     }
2143
2144     const QList<QByteArray> visibleRoles = props.visibleRoles();
2145     if (visibleRoles != m_visibleRoles) {
2146         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
2147         m_visibleRoles = visibleRoles;
2148         m_view->setVisibleRoles(visibleRoles);
2149         Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
2150     }
2151
2152     const bool previewsShown = props.previewsShown();
2153     if (previewsShown != m_view->previewsShown()) {
2154         const int oldZoomLevel = zoomLevel();
2155
2156         m_view->setPreviewsShown(previewsShown);
2157         Q_EMIT previewsShownChanged(previewsShown);
2158
2159         // Changing the preview-state might result in a changed zoom-level
2160         if (oldZoomLevel != zoomLevel()) {
2161             Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
2162         }
2163     }
2164
2165     KItemListView *itemListView = m_container->controller()->view();
2166     if (itemListView->isHeaderVisible()) {
2167         KItemListHeader *header = itemListView->header();
2168         const QList<int> headerColumnWidths = props.headerColumnWidths();
2169         const int rolesCount = m_visibleRoles.count();
2170         if (headerColumnWidths.count() == rolesCount) {
2171             header->setAutomaticColumnResizing(false);
2172
2173             QHash<QByteArray, qreal> columnWidths;
2174             for (int i = 0; i < rolesCount; ++i) {
2175                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
2176             }
2177             header->setColumnWidths(columnWidths);
2178         } else {
2179             header->setAutomaticColumnResizing(true);
2180         }
2181         header->setSidePadding(DetailsModeSettings::sidePadding());
2182     }
2183
2184     m_view->endTransaction();
2185 }
2186
2187 void DolphinView::applyModeToView()
2188 {
2189     switch (m_mode) {
2190     case IconsView:
2191         m_view->setItemLayout(KFileItemListView::IconsLayout);
2192         break;
2193     case CompactView:
2194         m_view->setItemLayout(KFileItemListView::CompactLayout);
2195         break;
2196     case DetailsView:
2197         m_view->setItemLayout(KFileItemListView::DetailsLayout);
2198         break;
2199     default:
2200         Q_ASSERT(false);
2201         break;
2202     }
2203 }
2204
2205 void DolphinView::pasteToUrl(const QUrl &url)
2206 {
2207     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
2208     KJobWidgets::setWindow(job, this);
2209     m_clearSelectionBeforeSelectingNewItems = true;
2210     m_markFirstNewlySelectedItemAsCurrent = true;
2211     m_selectJobCreatedItems = true;
2212     // TODO KF6 use KIO::PasteJob::copyJobStarted to hook to earlier events copying/moving
2213     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
2214     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotJobResult);
2215 }
2216
2217 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
2218 {
2219     QList<QUrl> urls;
2220
2221     const KFileItemList items = selectedItems();
2222     urls.reserve(items.count());
2223     for (const KFileItem &item : items) {
2224         urls.append(item.url());
2225     }
2226
2227     if (itemsExpandable()) {
2228         // TODO: Check if we still need KDirModel for this in KDE 5.0
2229         urls = KDirModel::simplifiedUrlList(urls);
2230     }
2231
2232     return urls;
2233 }
2234
2235 QMimeData *DolphinView::selectionMimeData() const
2236 {
2237     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
2238     const KItemSet selectedIndexes = selectionManager->selectedItems();
2239
2240     return m_model->createMimeData(selectedIndexes);
2241 }
2242
2243 void DolphinView::updateWritableState()
2244 {
2245     const bool wasFolderWritable = m_isFolderWritable;
2246     m_isFolderWritable = false;
2247
2248     KFileItem item = m_model->rootItem();
2249     if (item.isNull()) {
2250         // Try to find out if the URL is writable even if the "root item" is
2251         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
2252         item = KFileItem(url());
2253         item.setDelayedMimeTypes(true);
2254     }
2255
2256     KFileItemListProperties capabilities(KFileItemList() << item);
2257     m_isFolderWritable = capabilities.supportsWriting();
2258
2259     if (m_isFolderWritable != wasFolderWritable) {
2260         Q_EMIT writeStateChanged(m_isFolderWritable);
2261     }
2262 }
2263
2264 QUrl DolphinView::viewPropertiesUrl() const
2265 {
2266     if (m_viewPropertiesContext.isEmpty()) {
2267         return m_url;
2268     }
2269
2270     QUrl url;
2271     url.setScheme(m_url.scheme());
2272     url.setPath(m_viewPropertiesContext);
2273     return url;
2274 }
2275
2276 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl> &urls)
2277 {
2278     forceUrlsSelection(urls.first(), urls);
2279 }
2280
2281 void DolphinView::forceUrlsSelection(const QUrl &current, const QList<QUrl> &selected)
2282 {
2283     clearSelection();
2284     m_clearSelectionBeforeSelectingNewItems = true;
2285     markUrlAsCurrent(current);
2286     markUrlsAsSelected(selected);
2287 }
2288
2289 void DolphinView::copyPathToClipboard()
2290 {
2291     const KFileItemList list = selectedItems();
2292     if (list.isEmpty()) {
2293         return;
2294     }
2295     const KFileItem &item = list.at(0);
2296     QString path = item.localPath();
2297     if (path.isEmpty()) {
2298         path = item.url().toDisplayString();
2299     }
2300     QClipboard *clipboard = QApplication::clipboard();
2301     if (clipboard == nullptr) {
2302         return;
2303     }
2304     clipboard->setText(path);
2305 }
2306
2307 void DolphinView::slotIncreaseZoom()
2308 {
2309     setZoomLevel(zoomLevel() + 1);
2310 }
2311
2312 void DolphinView::slotDecreaseZoom()
2313 {
2314     setZoomLevel(zoomLevel() - 1);
2315 }
2316
2317 void DolphinView::slotSwipeUp()
2318 {
2319     Q_EMIT goUpRequested();
2320 }
2321
2322 void DolphinView::showLoadingPlaceholder()
2323 {
2324     m_placeholderLabel->setText(i18n("Loading…"));
2325     m_placeholderLabel->setVisible(true);
2326 }
2327
2328 void DolphinView::updatePlaceholderLabel()
2329 {
2330     m_showLoadingPlaceholderTimer->stop();
2331     if (itemsCount() > 0) {
2332         m_placeholderLabel->setVisible(false);
2333         return;
2334     }
2335
2336     if (m_loadingState == LoadingState::Loading) {
2337         m_placeholderLabel->setVisible(false);
2338         m_showLoadingPlaceholderTimer->start();
2339         return;
2340     }
2341
2342     if (m_loadingState == LoadingState::Canceled) {
2343         m_placeholderLabel->setText(i18n("Loading canceled"));
2344     } else if (!nameFilter().isEmpty()) {
2345         m_placeholderLabel->setText(i18n("No items matching the filter"));
2346     } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
2347         m_placeholderLabel->setText(i18n("No items matching the search"));
2348     } else if (m_url.scheme() == QLatin1String("trash") && m_url.path() == QLatin1String("/")) {
2349         m_placeholderLabel->setText(i18n("Trash is empty"));
2350     } else if (m_url.scheme() == QLatin1String("tags")) {
2351         if (m_url.path() == QLatin1Char('/')) {
2352             m_placeholderLabel->setText(i18n("No tags"));
2353         } else {
2354             const QString tagName = m_url.path().mid(1); // Remove leading /
2355             m_placeholderLabel->setText(i18n("No files tagged with \"%1\"", tagName));
2356         }
2357
2358     } else if (m_url.scheme() == QLatin1String("recentlyused")) {
2359         m_placeholderLabel->setText(i18n("No recently used items"));
2360     } else if (m_url.scheme() == QLatin1String("smb")) {
2361         m_placeholderLabel->setText(i18n("No shared folders found"));
2362     } else if (m_url.scheme() == QLatin1String("network")) {
2363         m_placeholderLabel->setText(i18n("No relevant network resources found"));
2364     } else if (m_url.scheme() == QLatin1String("mtp") && m_url.path() == QLatin1String("/")) {
2365         m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
2366     } else if (m_url.scheme() == QLatin1String("afc") && m_url.path() == QLatin1String("/")) {
2367         m_placeholderLabel->setText(i18n("No Apple devices found"));
2368     } else if (m_url.scheme() == QLatin1String("bluetooth")) {
2369         m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
2370     } else {
2371         m_placeholderLabel->setText(i18n("Folder is empty"));
2372     }
2373
2374     m_placeholderLabel->setVisible(true);
2375 }
2376
2377 bool DolphinView::tryShowNameToolTip(QHelpEvent *event)
2378 {
2379     if (!GeneralSettings::showToolTips() && m_mode == DolphinView::IconsView) {
2380         const std::optional<int> index = m_view->itemAt(event->pos());
2381
2382         if (!index.has_value()) {
2383             return false;
2384         }
2385
2386         // Check whether the filename has been elided
2387         const bool isElided = m_view->isElided(index.value());
2388
2389         if (isElided) {
2390             const KFileItem item = m_model->fileItem(index.value());
2391             const QString text = item.text();
2392             const QPoint pos = mapToGlobal(event->pos());
2393             QToolTip::showText(pos, text);
2394             return true;
2395         }
2396     }
2397     return false;
2398 }
2399
2400 #include "moc_dolphinview.cpp"