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 #ifndef QT_NO_ACCESSIBILITY
 130     m_view->setAccessibleParentsObject(m_container);
 131 #endif
 132     setFocusProxy(m_container);
 133     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, [=] {
 134         hideToolTip();
 135     });
 136     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, [=] {
 137         hideToolTip();
 138     });
 139
 140     m_showLoadingPlaceholderTimer = new QTimer(this);
 141     m_showLoadingPlaceholderTimer->setInterval(500);
 142     m_showLoadingPlaceholderTimer->setSingleShot(true);
 143     connect(m_showLoadingPlaceholderTimer, &QTimer::timeout, this, &DolphinView::showLoadingPlaceholder);
 144
 145     // Show some placeholder text for empty folders
 146     // This is made using a heavily-modified QLabel rather than a KTitleWidget
 147     // because KTitleWidget can't be told to turn off mouse-selectable text
 148     m_placeholderLabel = new QLabel(this);
 149     QFont placeholderLabelFont;
 150     // To match the size of a level 2 Heading/KTitleWidget
 151     placeholderLabelFont.setPointSize(qRound(placeholderLabelFont.pointSize() * 1.3));
 152     m_placeholderLabel->setFont(placeholderLabelFont);
 153     m_placeholderLabel->setTextInteractionFlags(Qt::NoTextInteraction);
 154     m_placeholderLabel->setWordWrap(true);
 155     m_placeholderLabel->setAlignment(Qt::AlignCenter);
 156     // Match opacity of QML placeholder label component
 157     auto *effect = new QGraphicsOpacityEffect(m_placeholderLabel);
 158     effect->setOpacity(0.5);
 159     m_placeholderLabel->setGraphicsEffect(effect);
 160     // Set initial text and visibility
 161     updatePlaceholderLabel();
 162
 163     auto *centeringLayout = new QVBoxLayout(m_container);
 164     centeringLayout->addWidget(m_placeholderLabel);
 165     centeringLayout->setAlignment(m_placeholderLabel, Qt::AlignCenter);
 166     m_placeholderLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 167     connect(m_placeholderLabel, &QWidget::customContextMenuRequested, this, [this](const QPoint &pos) {
 168         slotViewContextMenuRequested(m_placeholderLabel->mapToGlobal(pos));
 169     });
 170
 171     controller->setSelectionBehavior(KItemListController::MultiSelection);
 172     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 173     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 174     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 175     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 176     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 177     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 178     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 179     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 180     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 181     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 182     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 183     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 184     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 185     connect(controller, &KItemListController::increaseZoom, this, &DolphinView::slotIncreaseZoom);
 186     connect(controller, &KItemListController::decreaseZoom, this, &DolphinView::slotDecreaseZoom);
 187     connect(controller, &KItemListController::swipeUp, this, &DolphinView::slotSwipeUp);
 188     connect(controller, &KItemListController::selectionModeChangeRequested, this, &DolphinView::selectionModeChangeRequested);
 189
 190     connect(m_model, &KFileItemModel::directoryLoadingStarted, this, &DolphinView::slotDirectoryLoadingStarted);
 191     connect(m_model, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
 192     connect(m_model, &KFileItemModel::directoryLoadingCanceled, this, &DolphinView::slotDirectoryLoadingCanceled);
 193     connect(m_model, &KFileItemModel::directoryLoadingProgress, this, &DolphinView::directoryLoadingProgress);
 194     connect(m_model, &KFileItemModel::directorySortingProgress, this, &DolphinView::directorySortingProgress);
 195     connect(m_model, &KFileItemModel::itemsChanged, this, &DolphinView::slotItemsChanged);
 196     connect(m_model, &KFileItemModel::itemsRemoved, this, &DolphinView::itemCountChanged);
 197     connect(m_model, &KFileItemModel::itemsInserted, this, &DolphinView::itemCountChanged);
 198     connect(m_model, &KFileItemModel::infoMessage, this, &DolphinView::infoMessage);
 199     connect(m_model, &KFileItemModel::errorMessage, this, &DolphinView::errorMessage);
 200     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 201     connect(m_model, &KFileItemModel::urlIsFileError, this, &DolphinView::urlIsFileError);
 202     connect(m_model, &KFileItemModel::fileItemsChanged, this, &DolphinView::fileItemsChanged);
 203     // #473377: Use a QueuedConnection to avoid modifying KCoreDirLister before KCoreDirListerCache::deleteDir() returns.
 204     connect(m_model, &KFileItemModel::currentDirectoryRemoved, this, &DolphinView::currentDirectoryRemoved, Qt::QueuedConnection);
 205
 206     connect(this, &DolphinView::itemCountChanged, this, &DolphinView::updatePlaceholderLabel);
 207
 208     m_view->installEventFilter(this);
 209     connect(m_view, &DolphinItemListView::sortOrderChanged, this, &DolphinView::slotSortOrderChangedByHeader);
 210     connect(m_view, &DolphinItemListView::sortRoleChanged, this, &DolphinView::slotSortRoleChangedByHeader);
 211     connect(m_view, &DolphinItemListView::visibleRolesChanged, this, &DolphinView::slotVisibleRolesChangedByHeader);
 212     connect(m_view, &DolphinItemListView::roleEditingCanceled, this, &DolphinView::slotRoleEditingCanceled);
 213
 214     connect(m_view, &DolphinItemListView::columnHovered, this, [this](int columnIndex) {
 215         m_hoveredColumnHeaderIndex = columnIndex;
 216     });
 217     connect(m_view, &DolphinItemListView::columnUnHovered, this, [this](int /* columnIndex */) {
 218         m_hoveredColumnHeaderIndex = std::nullopt;
 219     });
 220     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished, this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 221     connect(m_view->header(), &KItemListHeader::sidePaddingChanged, this, &DolphinView::slotSidePaddingWidthChanged);
 222
 223     KItemListSelectionManager *selectionManager = controller->selectionManager();
 224     connect(selectionManager, &KItemListSelectionManager::selectionChanged, this, &DolphinView::slotSelectionChanged);
 225
 226 #if HAVE_BALOO
 227     m_toolTipManager = new ToolTipManager(this);
 228     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 229 #endif
 230
 231     m_versionControlObserver = new VersionControlObserver(this);
 232     m_versionControlObserver->setView(this);
 233     m_versionControlObserver->setModel(m_model);
 234     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 235     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 236     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 237
 238     m_twoClicksRenamingTimer = new QTimer(this);
 239     m_twoClicksRenamingTimer->setSingleShot(true);
 240     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 241
 242     applyViewProperties();
 243     m_topLayout->addWidget(m_container);
 244
 245     loadDirectory(url);
 246 }
 247
 248 DolphinView::~DolphinView()
 249 {
 250     disconnect(m_container->controller(), &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 251 }
 252
 253 QUrl DolphinView::url() const
 254 {
 255     return m_url;
 256 }
 257
 258 void DolphinView::setActive(bool active)
 259 {
 260     if (active == m_active) {
 261         return;
 262     }
 263
 264     m_active = active;
 265
 266     updatePalette();
 267
 268     if (active) {
 269         m_container->setFocus();
 270         Q_EMIT activated();
 271     }
 272 }
 273
 274 bool DolphinView::isActive() const
 275 {
 276     return m_active;
 277 }
 278
 279 void DolphinView::setViewMode(Mode mode)
 280 {
 281     if (mode != m_mode) {
 282         // Reset scrollbars before changing the view mode.
 283         m_container->horizontalScrollBar()->setValue(0);
 284         m_container->verticalScrollBar()->setValue(0);
 285
 286         ViewProperties props(viewPropertiesUrl());
 287         props.setViewMode(mode);
 288
 289         // We pass the new ViewProperties to applyViewProperties, rather than
 290         // storing them on disk and letting applyViewProperties() read them
 291         // from there, to prevent that changing the view mode fails if the
 292         // .directory file is not writable (see bug 318534).
 293         applyViewProperties(props);
 294     }
 295 }
 296
 297 DolphinView::Mode DolphinView::viewMode() const
 298 {
 299     return m_mode;
 300 }
 301
 302 void DolphinView::setSelectionModeEnabled(const bool enabled)
 303 {
 304     if (enabled) {
 305         if (!m_proxyStyle) {
 306             m_proxyStyle = std::make_unique<SelectionMode::SingleClickSelectionProxyStyle>();
 307         }
 308         setStyle(m_proxyStyle.get());
 309         m_view->setStyle(m_proxyStyle.get());
 310         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::False);
 311     } else {
 312         setStyle(nullptr);
 313         m_view->setStyle(nullptr);
 314         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::FollowSetting);
 315     }
 316     m_container->controller()->setSelectionModeEnabled(enabled);
 317 }
 318
 319 bool DolphinView::selectionMode() const
 320 {
 321     return m_container->controller()->selectionMode();
 322 }
 323
 324 void DolphinView::setPreviewsShown(bool show)
 325 {
 326     if (previewsShown() == show) {
 327         return;
 328     }
 329
 330     ViewProperties props(viewPropertiesUrl());
 331     props.setPreviewsShown(show);
 332
 333     const int oldZoomLevel = m_view->zoomLevel();
 334     m_view->setPreviewsShown(show);
 335     Q_EMIT previewsShownChanged(show);
 336
 337     const int newZoomLevel = m_view->zoomLevel();
 338     if (newZoomLevel != oldZoomLevel) {
 339         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 340     }
 341 }
 342
 343 bool DolphinView::previewsShown() const
 344 {
 345     return m_view->previewsShown();
 346 }
 347
 348 void DolphinView::setHiddenFilesShown(bool show)
 349 {
 350     if (m_model->showHiddenFiles() == show) {
 351         return;
 352     }
 353
 354     const KFileItemList itemList = selectedItems();
 355     m_selectedUrls.clear();
 356     m_selectedUrls = itemList.urlList();
 357
 358     ViewProperties props(viewPropertiesUrl());
 359     props.setHiddenFilesShown(show);
 360
 361     m_model->setShowHiddenFiles(show);
 362     Q_EMIT hiddenFilesShownChanged(show);
 363 }
 364
 365 bool DolphinView::hiddenFilesShown() const
 366 {
 367     return m_model->showHiddenFiles();
 368 }
 369
 370 void DolphinView::setGroupedSorting(bool grouped)
 371 {
 372     if (grouped == groupedSorting()) {
 373         return;
 374     }
 375
 376     ViewProperties props(viewPropertiesUrl());
 377     props.setGroupedSorting(grouped);
 378     props.save();
 379
 380     m_container->controller()->model()->setGroupedSorting(grouped);
 381
 382     Q_EMIT groupedSortingChanged(grouped);
 383 }
 384
 385 bool DolphinView::groupedSorting() const
 386 {
 387     return m_model->groupedSorting();
 388 }
 389
 390 KFileItemList DolphinView::items() const
 391 {
 392     KFileItemList list;
 393     const int itemCount = m_model->count();
 394     list.reserve(itemCount);
 395
 396     for (int i = 0; i < itemCount; ++i) {
 397         list.append(m_model->fileItem(i));
 398     }
 399
 400     return list;
 401 }
 402
 403 int DolphinView::itemsCount() const
 404 {
 405     return m_model->count();
 406 }
 407
 408 KFileItemList DolphinView::selectedItems() const
 409 {
 410     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 411
 412     KFileItemList selectedItems;
 413     const auto items = selectionManager->selectedItems();
 414     selectedItems.reserve(items.count());
 415     for (int index : items) {
 416         selectedItems.append(m_model->fileItem(index));
 417     }
 418     return selectedItems;
 419 }
 420
 421 int DolphinView::selectedItemsCount() const
 422 {
 423     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 424     return selectionManager->selectedItems().count();
 425 }
 426
 427 void DolphinView::markUrlsAsSelected(const QList<QUrl> &urls)
 428 {
 429     m_selectedUrls = urls;
 430     m_selectJobCreatedItems = false;
 431 }
 432
 433 void DolphinView::markUrlAsCurrent(const QUrl &url)
 434 {
 435     m_currentItemUrl = url;
 436     m_scrollToCurrentItem = true;
 437 }
 438
 439 void DolphinView::selectItems(const QRegularExpression &regexp, bool enabled)
 440 {
 441     const KItemListSelectionManager::SelectionMode mode = enabled ? KItemListSelectionManager::Select : KItemListSelectionManager::Deselect;
 442     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 443
 444     for (int index = 0; index < m_model->count(); index++) {
 445         const KFileItem item = m_model->fileItem(index);
 446         if (regexp.match(item.text()).hasMatch()) {
 447             // An alternative approach would be to store the matching items in a KItemSet and
 448             // select them in one go after the loop, but we'd need a new function
 449             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 450             // for that.
 451             selectionManager->setSelected(index, 1, mode);
 452         }
 453     }
 454 }
 455
 456 void DolphinView::setZoomLevel(int level)
 457 {
 458     const int oldZoomLevel = zoomLevel();
 459     m_view->setZoomLevel(level);
 460     if (zoomLevel() != oldZoomLevel) {
 461         hideToolTip();
 462         Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
 463     }
 464 }
 465
 466 int DolphinView::zoomLevel() const
 467 {
 468     return m_view->zoomLevel();
 469 }
 470
 471 void DolphinView::setSortRole(const QByteArray &role)
 472 {
 473     if (role != sortRole()) {
 474         ViewProperties props(viewPropertiesUrl());
 475         props.setSortRole(role);
 476
 477         KItemModelBase *model = m_container->controller()->model();
 478         model->setSortRole(role);
 479
 480         Q_EMIT sortRoleChanged(role);
 481     }
 482 }
 483
 484 QByteArray DolphinView::sortRole() const
 485 {
 486     const KItemModelBase *model = m_container->controller()->model();
 487     return model->sortRole();
 488 }
 489
 490 void DolphinView::setSortOrder(Qt::SortOrder order)
 491 {
 492     if (sortOrder() != order) {
 493         ViewProperties props(viewPropertiesUrl());
 494         props.setSortOrder(order);
 495
 496         m_model->setSortOrder(order);
 497
 498         Q_EMIT sortOrderChanged(order);
 499     }
 500 }
 501
 502 Qt::SortOrder DolphinView::sortOrder() const
 503 {
 504     return m_model->sortOrder();
 505 }
 506
 507 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 508 {
 509     if (sortFoldersFirst() != foldersFirst) {
 510         updateSortFoldersFirst(foldersFirst);
 511     }
 512 }
 513
 514 bool DolphinView::sortFoldersFirst() const
 515 {
 516     return m_model->sortDirectoriesFirst();
 517 }
 518
 519 void DolphinView::setSortHiddenLast(bool hiddenLast)
 520 {
 521     if (sortHiddenLast() != hiddenLast) {
 522         updateSortHiddenLast(hiddenLast);
 523     }
 524 }
 525
 526 bool DolphinView::sortHiddenLast() const
 527 {
 528     return m_model->sortHiddenLast();
 529 }
 530
 531 void DolphinView::setVisibleRoles(const QList<QByteArray> &roles)
 532 {
 533     const QList<QByteArray> previousRoles = roles;
 534
 535     ViewProperties props(viewPropertiesUrl());
 536     props.setVisibleRoles(roles);
 537
 538     m_visibleRoles = roles;
 539     m_view->setVisibleRoles(roles);
 540
 541     Q_EMIT visibleRolesChanged(m_visibleRoles, previousRoles);
 542 }
 543
 544 QList<QByteArray> DolphinView::visibleRoles() const
 545 {
 546     return m_visibleRoles;
 547 }
 548
 549 void DolphinView::reload()
 550 {
 551     QByteArray viewState;
 552     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 553     saveState(saveStream);
 554
 555     setUrl(url());
 556     loadDirectory(url(), true);
 557
 558     QDataStream restoreStream(viewState);
 559     restoreState(restoreStream);
 560 }
 561
 562 void DolphinView::readSettings()
 563 {
 564     const int oldZoomLevel = m_view->zoomLevel();
 565
 566     GeneralSettings::self()->load();
 567     m_view->readSettings();
 568     applyViewProperties();
 569
 570     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 571     m_container->controller()->setAutoActivationDelay(delay);
 572
 573     const int newZoomLevel = m_view->zoomLevel();
 574     if (newZoomLevel != oldZoomLevel) {
 575         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 576     }
 577 }
 578
 579 void DolphinView::writeSettings()
 580 {
 581     GeneralSettings::self()->save();
 582     m_view->writeSettings();
 583 }
 584
 585 void DolphinView::setNameFilter(const QString &nameFilter)
 586 {
 587     m_model->setNameFilter(nameFilter);
 588 }
 589
 590 QString DolphinView::nameFilter() const
 591 {
 592     return m_model->nameFilter();
 593 }
 594
 595 void DolphinView::setMimeTypeFilters(const QStringList &filters)
 596 {
 597     return m_model->setMimeTypeFilters(filters);
 598 }
 599
 600 QStringList DolphinView::mimeTypeFilters() const
 601 {
 602     return m_model->mimeTypeFilters();
 603 }
 604
 605 void DolphinView::requestStatusBarText()
 606 {
 607     if (m_statJobForStatusBarText) {
 608         // Kill the pending request.
 609         m_statJobForStatusBarText->kill();
 610     }
 611
 612     if (m_container->controller()->selectionManager()->hasSelection()) {
 613         int folderCount = 0;
 614         int fileCount = 0;
 615         KIO::filesize_t totalFileSize = 0;
 616
 617         // Give a summary of the status of the selected files
 618         const KFileItemList list = selectedItems();
 619         for (const KFileItem &item : list) {
 620             if (item.isDir()) {
 621                 ++folderCount;
 622             } else {
 623                 ++fileCount;
 624                 totalFileSize += item.size();
 625             }
 626         }
 627
 628         if (folderCount + fileCount == 1) {
 629             // If only one item is selected, show info about it
 630             Q_EMIT statusBarTextChanged(list.first().getStatusBarInfo());
 631         } else {
 632             // At least 2 items are selected
 633             emitStatusBarText(folderCount, fileCount, totalFileSize, HasSelection);
 634         }
 635     } else { // has no selection
 636         if (!m_model->rootItem().url().isValid()) {
 637             return;
 638         }
 639
 640         m_statJobForStatusBarText = KIO::stat(m_model->rootItem().url(), KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
 641         connect(m_statJobForStatusBarText, &KJob::result, this, &DolphinView::slotStatJobResult);
 642         m_statJobForStatusBarText->start();
 643     }
 644 }
 645
 646 void DolphinView::emitStatusBarText(const int folderCount, const int fileCount, KIO::filesize_t totalFileSize, const Selection selection)
 647 {
 648     QString foldersText;
 649     QString filesText;
 650     QString summary;
 651
 652     if (selection == HasSelection) {
 653         // At least 2 items are selected because the case of 1 selected item is handled in
 654         // DolphinView::requestStatusBarText().
 655         foldersText = i18ncp("@info:status", "1 folder selected", "%1 folders selected", folderCount);
 656         filesText = i18ncp("@info:status", "1 file selected", "%1 files selected", fileCount);
 657     } else {
 658         foldersText = i18ncp("@info:status", "1 folder", "%1 folders", folderCount);
 659         filesText = i18ncp("@info:status", "1 file", "%1 files", fileCount);
 660     }
 661
 662     if (fileCount > 0 && folderCount > 0) {
 663         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)", foldersText, filesText, KFormat().formatByteSize(totalFileSize));
 664     } else if (fileCount > 0) {
 665         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, KFormat().formatByteSize(totalFileSize));
 666     } else if (folderCount > 0) {
 667         summary = foldersText;
 668     } else {
 669         summary = i18nc("@info:status", "0 folders, 0 files");
 670     }
 671     Q_EMIT statusBarTextChanged(summary);
 672 }
 673
 674 QList<QAction *> DolphinView::versionControlActions(const KFileItemList &items) const
 675 {
 676     QList<QAction *> actions;
 677
 678     if (items.isEmpty()) {
 679         const KFileItem item = m_model->rootItem();
 680         if (!item.isNull()) {
 681             actions = m_versionControlObserver->actions(KFileItemList() << item);
 682         }
 683     } else {
 684         actions = m_versionControlObserver->actions(items);
 685     }
 686
 687     return actions;
 688 }
 689
 690 void DolphinView::setUrl(const QUrl &url)
 691 {
 692     if (url == m_url) {
 693         return;
 694     }
 695
 696     clearSelection();
 697
 698     m_url = url;
 699
 700     hideToolTip();
 701
 702     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 703
 704     // It is important to clear the items from the model before
 705     // applying the view properties, otherwise expensive operations
 706     // might be done on the existing items although they get cleared
 707     // anyhow afterwards by loadDirectory().
 708     m_model->clear();
 709     applyViewProperties();
 710     loadDirectory(url);
 711
 712     Q_EMIT urlChanged(url);
 713 }
 714
 715 void DolphinView::selectAll()
 716 {
 717     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 718     selectionManager->setSelected(0, m_model->count());
 719 }
 720
 721 void DolphinView::invertSelection()
 722 {
 723     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 724     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 725 }
 726
 727 void DolphinView::clearSelection()
 728 {
 729     m_selectJobCreatedItems = false;
 730     m_selectedUrls.clear();
 731     m_container->controller()->selectionManager()->clearSelection();
 732 }
 733
 734 void DolphinView::renameSelectedItems()
 735 {
 736     const KFileItemList items = selectedItems();
 737     if (items.isEmpty()) {
 738         return;
 739     }
 740
 741     if (items.count() == 1 && GeneralSettings::renameInline()) {
 742         const int index = m_model->index(items.first());
 743
 744         connect(
 745             m_view,
 746             &KItemListView::scrollingStopped,
 747             this,
 748             [this, index]() {
 749                 m_view->editRole(index, "text");
 750
 751                 hideToolTip();
 752
 753                 connect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 754             },
 755             Qt::SingleShotConnection);
 756         m_view->scrollToItem(index);
 757
 758     } else {
 759         KIO::RenameFileDialog *dialog = new KIO::RenameFileDialog(items, this);
 760         connect(dialog, &KIO::RenameFileDialog::renamingFinished, this, &DolphinView::slotRenameDialogRenamingFinished);
 761
 762         dialog->open();
 763     }
 764
 765     // Assure that the current index remains visible when KFileItemModel
 766     // will notify the view about changed items (which might result in
 767     // a changed sorting).
 768     m_assureVisibleCurrentIndex = true;
 769 }
 770
 771 void DolphinView::trashSelectedItems()
 772 {
 773     const QList<QUrl> list = simplifiedSelectedUrls();
 774
 775     using Iface = KIO::AskUserActionInterface;
 776     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Trash, Iface::DefaultConfirmation, this);
 777     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 778     m_selectNextItem = true;
 779     trashJob->start();
 780 }
 781
 782 void DolphinView::deleteSelectedItems()
 783 {
 784     const QList<QUrl> list = simplifiedSelectedUrls();
 785
 786     using Iface = KIO::AskUserActionInterface;
 787     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Delete, Iface::DefaultConfirmation, this);
 788     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 789     m_selectNextItem = true;
 790     trashJob->start();
 791 }
 792
 793 void DolphinView::cutSelectedItemsToClipboard()
 794 {
 795     QMimeData *mimeData = selectionMimeData();
 796     KIO::setClipboardDataCut(mimeData, true);
 797     KUrlMimeData::exportUrlsToPortal(mimeData);
 798     QApplication::clipboard()->setMimeData(mimeData);
 799 }
 800
 801 void DolphinView::copySelectedItemsToClipboard()
 802 {
 803     QMimeData *mimeData = selectionMimeData();
 804     KUrlMimeData::exportUrlsToPortal(mimeData);
 805     QApplication::clipboard()->setMimeData(mimeData);
 806 }
 807
 808 void DolphinView::copySelectedItems(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::copy(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::copying, this, &DolphinView::slotItemCreatedFromJob);
 823     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 824     KIO::FileUndoManager::self()->recordCopyJob(job);
 825 }
 826
 827 void DolphinView::moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 828 {
 829     if (selection.isEmpty() || !destinationUrl.isValid()) {
 830         return;
 831     }
 832
 833     m_clearSelectionBeforeSelectingNewItems = true;
 834     m_markFirstNewlySelectedItemAsCurrent = true;
 835     m_selectJobCreatedItems = true;
 836
 837     KIO::CopyJob *job = KIO::move(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 838     KJobWidgets::setWindow(job, this);
 839
 840     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 841     connect(job, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
 842     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 843     KIO::FileUndoManager::self()->recordCopyJob(job);
 844 }
 845
 846 void DolphinView::paste()
 847 {
 848     pasteToUrl(url());
 849 }
 850
 851 void DolphinView::pasteIntoFolder()
 852 {
 853     const KFileItemList items = selectedItems();
 854     if ((items.count() == 1) && items.first().isDir()) {
 855         pasteToUrl(items.first().url());
 856     }
 857 }
 858
 859 void DolphinView::duplicateSelectedItems()
 860 {
 861     const KFileItemList itemList = selectedItems();
 862     if (itemList.isEmpty()) {
 863         return;
 864     }
 865
 866     const QMimeDatabase db;
 867
 868     m_clearSelectionBeforeSelectingNewItems = true;
 869     m_markFirstNewlySelectedItemAsCurrent = true;
 870     m_selectJobCreatedItems = true;
 871
 872     // Duplicate all selected items and append "copy" to the end of the file name
 873     // but before the filename extension, if present
 874     for (const auto &item : itemList) {
 875         const QUrl originalURL = item.url();
 876         const QString originalDirectoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 877         const QString originalFileName = item.name();
 878
 879         QString extension = db.suffixForFileName(originalFileName);
 880
 881         QUrl duplicateURL = originalURL;
 882
 883         // No extension; new filename is "<oldfilename> copy"
 884         if (extension.isEmpty()) {
 885             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFileName));
 886             // There's an extension; new filename is "<oldfilename> copy.<extension>"
 887         } else {
 888             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 889             extension = QLatin1String(".") + extension;
 890             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 891             // Preserve file's original filename extension in case the casing differs
 892             // from what QMimeDatabase::suffixForFileName() returned
 893             const QString originalExtension = originalFileName.right(extension.size());
 894             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFilenameWithoutExtension) + originalExtension);
 895         }
 896
 897         KIO::CopyJob *job = KIO::copyAs(originalURL, duplicateURL);
 898         job->setAutoRename(true);
 899         KJobWidgets::setWindow(job, this);
 900
 901         connect(job, &KIO::CopyJob::result, this, &DolphinView::slotJobResult);
 902         connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 903         connect(job, &KIO::CopyJob::copyingLinkDone, this, &DolphinView::slotItemLinkCreatedFromJob);
 904         KIO::FileUndoManager::self()->recordCopyJob(job);
 905     }
 906 }
 907
 908 void DolphinView::stopLoading()
 909 {
 910     m_model->cancelDirectoryLoading();
 911 }
 912
 913 void DolphinView::updatePalette()
 914 {
 915     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 916     if (!m_active) {
 917         color.setAlpha(150);
 918     }
 919
 920     QWidget *viewport = m_container->viewport();
 921     if (viewport) {
 922         QPalette palette;
 923         palette.setColor(viewport->backgroundRole(), color);
 924         viewport->setPalette(palette);
 925     }
 926
 927     update();
 928 }
 929
 930 void DolphinView::abortTwoClicksRenaming()
 931 {
 932     m_twoClicksRenamingItemUrl.clear();
 933     m_twoClicksRenamingTimer->stop();
 934 }
 935
 936 bool DolphinView::eventFilter(QObject *watched, QEvent *event)
 937 {
 938     switch (event->type()) {
 939     case QEvent::PaletteChange:
 940         updatePalette();
 941         QPixmapCache::clear();
 942         break;
 943
 944     case QEvent::WindowActivate:
 945     case QEvent::WindowDeactivate:
 946         updatePalette();
 947         break;
 948
 949     case QEvent::KeyPress:
 950         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 951         if (GeneralSettings::useTabForSwitchingSplitView()) {
 952             QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
 953             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 954                 Q_EMIT toggleActiveViewRequested();
 955                 return true;
 956             }
 957         }
 958         break;
 959     case QEvent::KeyRelease:
 960         if (static_cast<QKeyEvent *>(event)->key() == Qt::Key_Control) {
 961             m_controlWheelAccumulatedDelta = 0;
 962         }
 963         break;
 964     case QEvent::FocusIn:
 965         if (watched == m_container) {
 966             setActive(true);
 967         }
 968         break;
 969
 970     case QEvent::GraphicsSceneDragEnter:
 971         if (watched == m_view) {
 972             m_dragging = true;
 973             abortTwoClicksRenaming();
 974         }
 975         break;
 976
 977     case QEvent::GraphicsSceneDragLeave:
 978         if (watched == m_view) {
 979             m_dragging = false;
 980         }
 981         break;
 982
 983     case QEvent::GraphicsSceneDrop:
 984         if (watched == m_view) {
 985             m_dragging = false;
 986         }
 987         break;
 988
 989     case QEvent::ToolTip: {
 990         const auto helpEvent = static_cast<QHelpEvent *>(event);
 991         if (tryShowNameToolTip(helpEvent)) {
 992             return true;
 993
 994         } else if (m_hoveredColumnHeaderIndex) {
 995             const auto rolesInfo = KFileItemModel::rolesInformation();
 996             const auto visibleRole = m_visibleRoles.value(*m_hoveredColumnHeaderIndex);
 997
 998             for (const KFileItemModel::RoleInfo &info : rolesInfo) {
 999                 if (visibleRole == info.role) {
1000                     QToolTip::showText(helpEvent->globalPos(), info.tooltip, this);
1001                     return true;
1002                 }
1003             }
1004         }
1005         break;
1006     }
1007     default:
1008         break;
1009     }
1010
1011     return QWidget::eventFilter(watched, event);
1012 }
1013
1014 void DolphinView::wheelEvent(QWheelEvent *event)
1015 {
1016     if (event->modifiers().testFlag(Qt::ControlModifier)) {
1017         m_controlWheelAccumulatedDelta += event->angleDelta().y();
1018
1019         if (m_controlWheelAccumulatedDelta <= -QWheelEvent::DefaultDeltasPerStep) {
1020             slotDecreaseZoom();
1021             m_controlWheelAccumulatedDelta += QWheelEvent::DefaultDeltasPerStep;
1022         } else if (m_controlWheelAccumulatedDelta >= QWheelEvent::DefaultDeltasPerStep) {
1023             slotIncreaseZoom();
1024             m_controlWheelAccumulatedDelta -= QWheelEvent::DefaultDeltasPerStep;
1025         }
1026
1027         event->accept();
1028     } else {
1029         event->ignore();
1030     }
1031 }
1032
1033 void DolphinView::hideEvent(QHideEvent *event)
1034 {
1035     hideToolTip();
1036     QWidget::hideEvent(event);
1037 }
1038
1039 bool DolphinView::event(QEvent *event)
1040 {
1041     if (event->type() == QEvent::WindowDeactivate) {
1042         /* See Bug 297355
1043          * Dolphin leaves file preview tooltips open even when is not visible.
1044          *
1045          * Hide tool-tip when Dolphin loses focus.
1046          */
1047         hideToolTip();
1048         abortTwoClicksRenaming();
1049     }
1050
1051     return QWidget::event(event);
1052 }
1053
1054 void DolphinView::activate()
1055 {
1056     setActive(true);
1057 }
1058
1059 void DolphinView::slotItemActivated(int index)
1060 {
1061     abortTwoClicksRenaming();
1062
1063     const KFileItem item = m_model->fileItem(index);
1064     if (!item.isNull()) {
1065         Q_EMIT itemActivated(item);
1066     }
1067 }
1068
1069 void DolphinView::slotItemsActivated(const KItemSet &indexes)
1070 {
1071     Q_ASSERT(indexes.count() >= 2);
1072
1073     abortTwoClicksRenaming();
1074
1075     const auto modifiers = QGuiApplication::keyboardModifiers();
1076
1077     if (indexes.count() > 5) {
1078         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
1079         const int answer = KMessageBox::warningContinueCancel(
1080             this,
1081             question,
1082             {},
1083             KGuiItem(i18ncp("@action:button", "Open %1 Item", "Open %1 Items", indexes.count()), QStringLiteral("document-open")),
1084             KStandardGuiItem::cancel(),
1085             QStringLiteral("ConfirmOpenManyFolders"));
1086         if (answer != KMessageBox::PrimaryAction && answer != KMessageBox::Continue) {
1087             return;
1088         }
1089     }
1090
1091     KFileItemList items;
1092     items.reserve(indexes.count());
1093
1094     for (int index : indexes) {
1095         KFileItem item = m_model->fileItem(index);
1096         const QUrl &url = openItemAsFolderUrl(item);
1097
1098         if (!url.isEmpty()) {
1099             // Open folders in new tabs or in new windows depending on the modifier
1100             // The ctrl+shift behavior is ignored because we are handling multiple items
1101             // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1102             if (modifiers & Qt::ShiftModifier && !(modifiers & Qt::ControlModifier)) {
1103                 Q_EMIT windowRequested(url);
1104             } else {
1105                 Q_EMIT tabRequested(url);
1106             }
1107         } else {
1108             items.append(item);
1109         }
1110     }
1111
1112     if (items.count() == 1) {
1113         Q_EMIT itemActivated(items.first());
1114     } else if (items.count() > 1) {
1115         Q_EMIT itemsActivated(items);
1116     }
1117 }
1118
1119 void DolphinView::slotItemMiddleClicked(int index)
1120 {
1121     const KFileItem &item = m_model->fileItem(index);
1122     const QUrl &url = openItemAsFolderUrl(item);
1123     const auto modifiers = QGuiApplication::keyboardModifiers();
1124     const QString &archiveProtocol = KProtocolManager::protocolForArchiveMimetype(item.mimetype());
1125     if (!url.isEmpty()) {
1126         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1127         if (modifiers & Qt::ShiftModifier) {
1128             Q_EMIT activeTabRequested(url);
1129         } else {
1130             Q_EMIT tabRequested(url);
1131         }
1132     } else if (!archiveProtocol.isEmpty() && isTabsForFilesEnabled()) {
1133         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1134         if (modifiers & Qt::ShiftModifier) {
1135             Q_EMIT activeTabRequested(item.url());
1136         } else {
1137             Q_EMIT tabRequested(item.url());
1138         }
1139     } else {
1140         Q_EMIT fileMiddleClickActivated(item);
1141     }
1142 }
1143
1144 void DolphinView::slotItemContextMenuRequested(int index, const QPointF &pos)
1145 {
1146     // Force emit of a selection changed signal before we request the
1147     // context menu, to update the edit-actions first. (See Bug 294013)
1148     if (m_selectionChangedTimer->isActive()) {
1149         emitSelectionChangedSignal();
1150     }
1151
1152     const KFileItem item = m_model->fileItem(index);
1153     Q_EMIT requestContextMenu(pos.toPoint(), item, selectedItems(), url());
1154 }
1155
1156 void DolphinView::slotViewContextMenuRequested(const QPointF &pos)
1157 {
1158     Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), selectedItems(), url());
1159 }
1160
1161 void DolphinView::slotHeaderContextMenuRequested(const QPointF &pos)
1162 {
1163     ViewProperties props(viewPropertiesUrl());
1164
1165     QPointer<QMenu> menu = new QMenu(this);
1166
1167     KItemListView *view = m_container->controller()->view();
1168     const QList<QByteArray> visibleRolesSet = view->visibleRoles();
1169
1170     bool indexingEnabled = false;
1171 #if HAVE_BALOO
1172     Baloo::IndexerConfig config;
1173     indexingEnabled = config.fileIndexingEnabled();
1174 #endif
1175
1176     QString groupName;
1177     QMenu *groupMenu = nullptr;
1178
1179     // Add all roles to the menu that can be shown or hidden by the user
1180     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
1181     for (const KFileItemModel::RoleInfo &info : rolesInfo) {
1182         if (info.role == "text") {
1183             // It should not be possible to hide the "text" role
1184             continue;
1185         }
1186
1187         const QString text = m_model->roleDescription(info.role);
1188         QAction *action = nullptr;
1189         if (info.group.isEmpty()) {
1190             action = menu->addAction(text);
1191         } else {
1192             if (!groupMenu || info.group != groupName) {
1193                 groupName = info.group;
1194                 groupMenu = menu->addMenu(groupName);
1195             }
1196
1197             action = groupMenu->addAction(text);
1198         }
1199
1200         action->setCheckable(true);
1201         action->setChecked(visibleRolesSet.contains(info.role));
1202         action->setData(info.role);
1203         action->setToolTip(info.tooltip);
1204
1205         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) || (info.requiresBaloo) || (info.requiresIndexer && indexingEnabled);
1206         action->setEnabled(enable);
1207     }
1208
1209     menu->addSeparator();
1210
1211     QActionGroup *widthsGroup = new QActionGroup(menu);
1212     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1213
1214     QAction *toggleSidePaddingAction = menu->addAction(i18nc("@action:inmenu", "Side Padding"));
1215     toggleSidePaddingAction->setCheckable(true);
1216     toggleSidePaddingAction->setChecked(view->header()->sidePadding() > 0);
1217
1218     QAction *autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1219     autoAdjustWidthsAction->setCheckable(true);
1220     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1221     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1222
1223     QAction *customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1224     customWidthsAction->setCheckable(true);
1225     customWidthsAction->setChecked(!autoColumnWidths);
1226     customWidthsAction->setActionGroup(widthsGroup);
1227
1228     QAction *action = menu->exec(pos.toPoint());
1229     if (menu && action) {
1230         KItemListHeader *header = view->header();
1231
1232         if (action == autoAdjustWidthsAction) {
1233             // Clear the column-widths from the viewproperties and turn on
1234             // the automatic resizing of the columns
1235             props.setHeaderColumnWidths(QList<int>());
1236             header->setAutomaticColumnResizing(true);
1237         } else if (action == customWidthsAction) {
1238             // Apply the current column-widths as custom column-widths and turn
1239             // off the automatic resizing of the columns
1240             QList<int> columnWidths;
1241             const auto visibleRoles = view->visibleRoles();
1242             columnWidths.reserve(visibleRoles.count());
1243             for (const QByteArray &role : visibleRoles) {
1244                 columnWidths.append(header->columnWidth(role));
1245             }
1246             props.setHeaderColumnWidths(columnWidths);
1247             header->setAutomaticColumnResizing(false);
1248         } else if (action == toggleSidePaddingAction) {
1249             header->setSidePadding(toggleSidePaddingAction->isChecked() ? 20 : 0);
1250         } else {
1251             // Show or hide the selected role
1252             const QByteArray selectedRole = action->data().toByteArray();
1253
1254             QList<QByteArray> visibleRoles = view->visibleRoles();
1255             if (action->isChecked()) {
1256                 visibleRoles.append(selectedRole);
1257             } else {
1258                 visibleRoles.removeOne(selectedRole);
1259             }
1260
1261             view->setVisibleRoles(visibleRoles);
1262             props.setVisibleRoles(visibleRoles);
1263
1264             QList<int> columnWidths;
1265             if (!header->automaticColumnResizing()) {
1266                 const auto visibleRoles = view->visibleRoles();
1267                 columnWidths.reserve(visibleRoles.count());
1268                 for (const QByteArray &role : visibleRoles) {
1269                     columnWidths.append(header->columnWidth(role));
1270                 }
1271             }
1272             props.setHeaderColumnWidths(columnWidths);
1273         }
1274     }
1275
1276     delete menu;
1277 }
1278
1279 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray &role, qreal current)
1280 {
1281     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1282
1283     ViewProperties props(viewPropertiesUrl());
1284     QList<int> columnWidths = props.headerColumnWidths();
1285     if (columnWidths.count() != visibleRoles.count()) {
1286         columnWidths.clear();
1287         columnWidths.reserve(visibleRoles.count());
1288         const KItemListHeader *header = m_view->header();
1289         for (const QByteArray &role : visibleRoles) {
1290             const int width = header->columnWidth(role);
1291             columnWidths.append(width);
1292         }
1293     }
1294
1295     const int roleIndex = visibleRoles.indexOf(role);
1296     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1297     columnWidths[roleIndex] = current;
1298
1299     props.setHeaderColumnWidths(columnWidths);
1300 }
1301
1302 void DolphinView::slotSidePaddingWidthChanged(qreal width)
1303 {
1304     ViewProperties props(viewPropertiesUrl());
1305     DetailsModeSettings::setSidePadding(int(width));
1306     m_view->writeSettings();
1307 }
1308
1309 void DolphinView::slotItemHovered(int index)
1310 {
1311     const KFileItem item = m_model->fileItem(index);
1312
1313     if (GeneralSettings::showToolTips() && !m_dragging) {
1314         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1315         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1316         itemRect.moveTo(pos);
1317
1318 #if HAVE_BALOO
1319         auto nativeParent = nativeParentWidget();
1320         if (nativeParent) {
1321             m_toolTipManager->showToolTip(item, itemRect, nativeParent->windowHandle());
1322         }
1323 #endif
1324     }
1325
1326     Q_EMIT requestItemInfo(item);
1327 }
1328
1329 void DolphinView::slotItemUnhovered(int index)
1330 {
1331     Q_UNUSED(index)
1332     hideToolTip();
1333     Q_EMIT requestItemInfo(KFileItem());
1334 }
1335
1336 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent *event)
1337 {
1338     QUrl destUrl;
1339     KFileItem destItem = m_model->fileItem(index);
1340     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1341         // Use the URL of the view as drop target if the item is no directory
1342         // or desktop-file
1343         destItem = m_model->rootItem();
1344         destUrl = url();
1345     } else {
1346         // The item represents a directory or desktop-file
1347         destUrl = destItem.mostLocalUrl();
1348     }
1349
1350     QDropEvent dropEvent(event->pos().toPoint(), event->possibleActions(), event->mimeData(), event->buttons(), event->modifiers());
1351     dropUrls(destUrl, &dropEvent, this);
1352
1353     setActive(true);
1354 }
1355
1356 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1357 {
1358     KIO::DropJob *job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1359
1360     if (job) {
1361         connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
1362
1363         if (destUrl == url()) {
1364             // Mark the dropped urls as selected.
1365             m_clearSelectionBeforeSelectingNewItems = true;
1366             m_markFirstNewlySelectedItemAsCurrent = true;
1367             m_selectJobCreatedItems = true;
1368             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1369             connect(job, &KIO::DropJob::copyJobStarted, this, [this](const KIO::CopyJob *copyJob) {
1370                 connect(copyJob, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
1371                 connect(copyJob, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
1372                 connect(copyJob, &KIO::CopyJob::linking, this, [this](KIO::Job *job, const QString &src, const QUrl &dest) {
1373                     Q_UNUSED(job)
1374                     Q_UNUSED(src)
1375                     slotItemCreated(dest);
1376                 });
1377             });
1378         }
1379     }
1380 }
1381
1382 void DolphinView::slotModelChanged(KItemModelBase *current, KItemModelBase *previous)
1383 {
1384     if (previous != nullptr) {
1385         Q_ASSERT(qobject_cast<KFileItemModel *>(previous));
1386         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(previous);
1387         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1388         m_versionControlObserver->setModel(nullptr);
1389     }
1390
1391     if (current) {
1392         Q_ASSERT(qobject_cast<KFileItemModel *>(current));
1393         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(current);
1394         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1395         m_versionControlObserver->setModel(fileItemModel);
1396     }
1397 }
1398
1399 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1400 {
1401     Q_UNUSED(itemIndex)
1402
1403     hideToolTip();
1404
1405     if (buttons & Qt::BackButton) {
1406         Q_EMIT goBackRequested();
1407     } else if (buttons & Qt::ForwardButton) {
1408         Q_EMIT goForwardRequested();
1409     }
1410 }
1411
1412 void DolphinView::slotSelectedItemTextPressed(int index)
1413 {
1414     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1415         const KFileItem item = m_model->fileItem(index);
1416         const KFileItemListProperties capabilities(KFileItemList() << item);
1417         if (capabilities.supportsMoving()) {
1418             m_twoClicksRenamingItemUrl = item.url();
1419             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1420         }
1421     }
1422 }
1423
1424 void DolphinView::slotItemCreatedFromJob(KIO::Job *, const QUrl &, const QUrl &to)
1425 {
1426     slotItemCreated(to);
1427 }
1428
1429 void DolphinView::slotItemLinkCreatedFromJob(KIO::Job *, const QUrl &, const QString &, const QUrl &to)
1430 {
1431     slotItemCreated(to);
1432 }
1433
1434 void DolphinView::slotItemCreated(const QUrl &url)
1435 {
1436     if (m_markFirstNewlySelectedItemAsCurrent) {
1437         markUrlAsCurrent(url);
1438         m_markFirstNewlySelectedItemAsCurrent = false;
1439     }
1440     if (m_selectJobCreatedItems && !m_selectedUrls.contains(url)) {
1441         m_selectedUrls << url;
1442     }
1443 }
1444
1445 void DolphinView::onDirectoryLoadingCompletedAfterJob()
1446 {
1447     // the model should now contain all the items created by the job
1448     m_selectJobCreatedItems = true; // to make sure we overwrite selection
1449     // update the view: scroll into View and selection
1450     updateViewState();
1451     m_selectJobCreatedItems = false;
1452     m_selectedUrls.clear();
1453 }
1454
1455 void DolphinView::slotJobResult(KJob *job)
1456 {
1457     if (job->error() && job->error() != KIO::ERR_USER_CANCELED) {
1458         Q_EMIT errorMessage(job->errorString());
1459     }
1460     if (!m_selectJobCreatedItems) {
1461         m_selectedUrls.clear();
1462         return;
1463     }
1464     if (!m_selectedUrls.isEmpty()) {
1465         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1466
1467         updateSelectionState();
1468         if (!m_selectedUrls.isEmpty()) {
1469             // not all urls were found, the model may not be up to date
1470             connect(m_model, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::onDirectoryLoadingCompletedAfterJob, Qt::SingleShotConnection);
1471         } else {
1472             m_selectJobCreatedItems = false;
1473             m_selectedUrls.clear();
1474         }
1475     }
1476 }
1477
1478 void DolphinView::slotSelectionChanged(const KItemSet &current, const KItemSet &previous)
1479 {
1480     m_selectNextItem = false;
1481     const int currentCount = current.count();
1482     const int previousCount = previous.count();
1483     const bool selectionStateChanged = (currentCount == 0 && previousCount > 0) || (currentCount > 0 && previousCount == 0);
1484
1485     // If nothing has been selected before and something got selected (or if something
1486     // was selected before and now nothing is selected) the selectionChangedSignal must
1487     // be emitted asynchronously as fast as possible to update the edit-actions.
1488     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1489     m_selectionChangedTimer->start();
1490 }
1491
1492 void DolphinView::emitSelectionChangedSignal()
1493 {
1494     m_selectionChangedTimer->stop();
1495     Q_EMIT selectionChanged(selectedItems());
1496 }
1497
1498 void DolphinView::slotStatJobResult(KJob *job)
1499 {
1500     int folderCount = 0;
1501     int fileCount = 0;
1502     KIO::filesize_t totalFileSize = 0;
1503     bool countFileSize = true;
1504
1505     const auto entry = static_cast<KIO::StatJob *>(job)->statResult();
1506     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1507         // We have a precomputed value.
1508         totalFileSize = static_cast<KIO::filesize_t>(entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1509         countFileSize = false;
1510     }
1511
1512     const int itemCount = m_model->count();
1513     for (int i = 0; i < itemCount; ++i) {
1514         const KFileItem item = m_model->fileItem(i);
1515         if (item.isDir()) {
1516             ++folderCount;
1517         } else {
1518             ++fileCount;
1519             if (countFileSize) {
1520                 totalFileSize += item.size();
1521             }
1522         }
1523     }
1524     emitStatusBarText(folderCount, fileCount, totalFileSize, NoSelection);
1525 }
1526
1527 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1528 {
1529     ViewProperties props(viewPropertiesUrl());
1530     props.setSortFoldersFirst(foldersFirst);
1531
1532     m_model->setSortDirectoriesFirst(foldersFirst);
1533
1534     Q_EMIT sortFoldersFirstChanged(foldersFirst);
1535 }
1536
1537 void DolphinView::updateSortHiddenLast(bool hiddenLast)
1538 {
1539     ViewProperties props(viewPropertiesUrl());
1540     props.setSortHiddenLast(hiddenLast);
1541
1542     m_model->setSortHiddenLast(hiddenLast);
1543
1544     Q_EMIT sortHiddenLastChanged(hiddenLast);
1545 }
1546
1547 QPair<bool, QString> DolphinView::pasteInfo() const
1548 {
1549     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1550     QPair<bool, QString> info;
1551     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1552     return info;
1553 }
1554
1555 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1556 {
1557     m_tabsForFiles = tabsForFiles;
1558 }
1559
1560 bool DolphinView::isTabsForFilesEnabled() const
1561 {
1562     return m_tabsForFiles;
1563 }
1564
1565 bool DolphinView::itemsExpandable() const
1566 {
1567     return m_mode == DetailsView;
1568 }
1569
1570 bool DolphinView::isExpanded(const KFileItem &item) const
1571 {
1572     Q_ASSERT(item.isDir());
1573     Q_ASSERT(items().contains(item));
1574     if (!itemsExpandable()) {
1575         return false;
1576     }
1577     return m_model->isExpanded(m_model->index(item));
1578 }
1579
1580 void DolphinView::restoreState(QDataStream &stream)
1581 {
1582     // Read the version number of the view state and check if the version is supported.
1583     quint32 version = 0;
1584     stream >> version;
1585     if (version != 1) {
1586         // The version of the view state isn't supported, we can't restore it.
1587         return;
1588     }
1589
1590     // Restore the current item that had the keyboard focus
1591     stream >> m_currentItemUrl;
1592
1593     // Restore the previously selected items
1594     stream >> m_selectedUrls;
1595
1596     // Restore the view position
1597     stream >> m_restoredContentsPosition;
1598
1599     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1600     QSet<QUrl> urls;
1601     stream >> urls;
1602     m_model->restoreExpandedDirectories(urls);
1603 }
1604
1605 void DolphinView::saveState(QDataStream &stream)
1606 {
1607     stream << quint32(1); // View state version
1608
1609     // Save the current item that has the keyboard focus
1610     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1611     if (currentIndex != -1) {
1612         KFileItem item = m_model->fileItem(currentIndex);
1613         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1614         QUrl currentItemUrl = item.url();
1615         stream << currentItemUrl;
1616     } else {
1617         stream << QUrl();
1618     }
1619
1620     // Save the selected urls
1621     stream << selectedItems().urlList();
1622
1623     // Save view position
1624     const qreal x = m_container->horizontalScrollBar()->value();
1625     const qreal y = m_container->verticalScrollBar()->value();
1626     stream << QPoint(x, y);
1627
1628     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1629     stream << m_model->expandedDirectories();
1630 }
1631
1632 KFileItem DolphinView::rootItem() const
1633 {
1634     return m_model->rootItem();
1635 }
1636
1637 void DolphinView::setViewPropertiesContext(const QString &context)
1638 {
1639     m_viewPropertiesContext = context;
1640 }
1641
1642 QString DolphinView::viewPropertiesContext() const
1643 {
1644     return m_viewPropertiesContext;
1645 }
1646
1647 QUrl DolphinView::openItemAsFolderUrl(const KFileItem &item, const bool browseThroughArchives)
1648 {
1649     if (item.isNull()) {
1650         return QUrl();
1651     }
1652
1653     QUrl url = item.targetUrl();
1654
1655     if (item.isDir()) {
1656         return url;
1657     }
1658
1659     if (item.isMimeTypeKnown()) {
1660         const QString &mimetype = item.mimetype();
1661
1662         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1663             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1664             // zip:/<path>/ when clicking on a zip file, etc.
1665             // The .protocol file specifies the mimetype that the kioslave handles.
1666             // Note that we don't use mimetype inheritance since we don't want to
1667             // open OpenDocument files as zip folders...
1668             const QString &protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1669             if (!protocol.isEmpty()) {
1670                 url.setScheme(protocol);
1671                 return url;
1672             }
1673         }
1674
1675         if (mimetype == QLatin1String("application/x-desktop")) {
1676             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1677             KDesktopFile desktopFile(url.toLocalFile());
1678             if (desktopFile.hasLinkType()) {
1679                 const QString linkUrl = desktopFile.readUrl();
1680                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1681                     return QUrl::fromUserInput(linkUrl);
1682                 }
1683             }
1684         }
1685     }
1686
1687     return QUrl();
1688 }
1689
1690 void DolphinView::resetZoomLevel()
1691 {
1692     ViewModeSettings settings{m_mode};
1693     settings.useDefaults(true);
1694     const int defaultIconSize = settings.iconSize();
1695     settings.useDefaults(false);
1696
1697     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(QSize(defaultIconSize, defaultIconSize)));
1698 }
1699
1700 void DolphinView::observeCreatedItem(const QUrl &url)
1701 {
1702     if (m_active) {
1703         forceUrlsSelection(url, {url});
1704     }
1705 }
1706
1707 void DolphinView::slotDirectoryRedirection(const QUrl &oldUrl, const QUrl &newUrl)
1708 {
1709     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1710         Q_EMIT redirection(oldUrl, newUrl);
1711         m_url = newUrl; // #186947
1712     }
1713 }
1714
1715 void DolphinView::updateSelectionState()
1716 {
1717     if (!m_selectedUrls.isEmpty()) {
1718         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1719
1720         // if there is a selection already, leave it that way
1721         // unless some drop/paste job are in the process of creating items
1722         if (!selectionManager->hasSelection() || m_selectJobCreatedItems) {
1723             if (m_clearSelectionBeforeSelectingNewItems) {
1724                 selectionManager->clearSelection();
1725                 m_clearSelectionBeforeSelectingNewItems = false;
1726             }
1727
1728             KItemSet selectedItems = selectionManager->selectedItems();
1729
1730             QList<QUrl>::iterator it = m_selectedUrls.begin();
1731             while (it != m_selectedUrls.end()) {
1732                 const int index = m_model->index(*it);
1733                 if (index >= 0) {
1734                     selectedItems.insert(index);
1735                     it = m_selectedUrls.erase(it);
1736                 } else {
1737                     ++it;
1738                 }
1739             }
1740
1741             if (!selectedItems.isEmpty()) {
1742                 selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1743                 selectionManager->setSelectedItems(selectedItems);
1744             }
1745         }
1746     }
1747 }
1748
1749 void DolphinView::updateViewState()
1750 {
1751     if (m_currentItemUrl != QUrl()) {
1752         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1753
1754         // if there is a selection already, leave it that way
1755         if (!selectionManager->hasSelection()) {
1756             const int currentIndex = m_model->index(m_currentItemUrl);
1757             if (currentIndex != -1) {
1758                 selectionManager->setCurrentItem(currentIndex);
1759
1760                 // scroll to current item and reset the state
1761                 if (m_scrollToCurrentItem) {
1762                     m_view->scrollToItem(currentIndex, KItemListView::ViewItemPosition::Middle);
1763                     m_scrollToCurrentItem = false;
1764                 }
1765                 m_currentItemUrl = QUrl();
1766             } else {
1767                 selectionManager->setCurrentItem(0);
1768             }
1769         } else {
1770             m_currentItemUrl = QUrl();
1771         }
1772     }
1773
1774     if (!m_restoredContentsPosition.isNull()) {
1775         const int x = m_restoredContentsPosition.x();
1776         const int y = m_restoredContentsPosition.y();
1777         m_restoredContentsPosition = QPoint();
1778
1779         m_container->horizontalScrollBar()->setValue(x);
1780         m_container->verticalScrollBar()->setValue(y);
1781     }
1782
1783     updateSelectionState();
1784 }
1785
1786 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1787 {
1788     if (GeneralSettings::showToolTips()) {
1789 #if HAVE_BALOO
1790         m_toolTipManager->hideToolTip(behavior);
1791 #else
1792         Q_UNUSED(behavior)
1793 #endif
1794     } else if (m_mode == DolphinView::IconsView) {
1795         QToolTip::hideText();
1796     }
1797 }
1798
1799 bool DolphinView::handleSpaceAsNormalKey() const
1800 {
1801     return !m_container->hasFocus() || m_container->controller()->isSearchAsYouTypeActive();
1802 }
1803
1804 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1805 {
1806     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1807
1808     // verify that only one item is selected
1809     if (selectionManager->selectedItems().count() == 1) {
1810         const int index = selectionManager->currentItem();
1811         const QUrl fileItemUrl = m_model->fileItem(index).url();
1812
1813         // check if the selected item was the same item that started the twoClicksRenaming
1814         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1815             renameSelectedItems();
1816         }
1817     }
1818 }
1819
1820 void DolphinView::slotTrashFileFinished(KJob *job)
1821 {
1822     if (job->error() == 0) {
1823         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1824         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1825     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1826         Q_EMIT errorMessage(job->errorString());
1827     }
1828 }
1829
1830 void DolphinView::slotDeleteFileFinished(KJob *job)
1831 {
1832     if (job->error() == 0) {
1833         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1834         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1835     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1836         Q_EMIT errorMessage(job->errorString());
1837     }
1838 }
1839
1840 void DolphinView::selectNextItem()
1841 {
1842     if (m_active && m_selectNextItem) {
1843         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1844         if (selectedItems().isEmpty()) {
1845             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1846             return;
1847         }
1848         const auto lastSelectedIndex = m_model->index(selectedItems().last());
1849         if (lastSelectedIndex < 0) {
1850             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1851             return;
1852         }
1853         auto nextItem = lastSelectedIndex + 1;
1854         if (nextItem >= itemsCount()) {
1855             nextItem = lastSelectedIndex - selectedItemsCount();
1856         }
1857         if (nextItem >= 0) {
1858             selectionManager->setSelected(nextItem, 1);
1859         }
1860         m_selectNextItem = false;
1861     }
1862 }
1863
1864 void DolphinView::slotRenamingResult(KJob *job)
1865 {
1866     if (job->error()) {
1867         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1868         Q_ASSERT(copyJob);
1869         const QUrl newUrl = copyJob->destUrl();
1870         const int index = m_model->index(newUrl);
1871         if (index >= 0) {
1872             QHash<QByteArray, QVariant> data;
1873             const QUrl oldUrl = copyJob->srcUrls().at(0);
1874             data.insert("text", oldUrl.fileName());
1875             m_model->setData(index, data);
1876         }
1877     }
1878 }
1879
1880 void DolphinView::slotDirectoryLoadingStarted()
1881 {
1882     m_loadingState = LoadingState::Loading;
1883     updatePlaceholderLabel();
1884
1885     // Disable the writestate temporary until it can be determined in a fast way
1886     // in DolphinView::slotDirectoryLoadingCompleted()
1887     if (m_isFolderWritable) {
1888         m_isFolderWritable = false;
1889         Q_EMIT writeStateChanged(m_isFolderWritable);
1890     }
1891
1892     Q_EMIT directoryLoadingStarted();
1893 }
1894
1895 void DolphinView::slotDirectoryLoadingCompleted()
1896 {
1897     m_loadingState = LoadingState::Completed;
1898
1899     // Update the view-state. This has to be done asynchronously
1900     // because the view might not be in its final state yet.
1901     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1902
1903     // Update the placeholder label in case we found that the folder was empty
1904     // after loading it
1905
1906     Q_EMIT directoryLoadingCompleted();
1907
1908     updatePlaceholderLabel();
1909     updateWritableState();
1910 }
1911
1912 void DolphinView::slotDirectoryLoadingCanceled()
1913 {
1914     m_loadingState = LoadingState::Canceled;
1915
1916     updatePlaceholderLabel();
1917
1918     Q_EMIT directoryLoadingCanceled();
1919 }
1920
1921 void DolphinView::slotItemsChanged()
1922 {
1923     m_assureVisibleCurrentIndex = false;
1924 }
1925
1926 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1927 {
1928     Q_UNUSED(previous)
1929     Q_ASSERT(m_model->sortOrder() == current);
1930
1931     ViewProperties props(viewPropertiesUrl());
1932     props.setSortOrder(current);
1933
1934     Q_EMIT sortOrderChanged(current);
1935 }
1936
1937 void DolphinView::slotSortRoleChangedByHeader(const QByteArray &current, const QByteArray &previous)
1938 {
1939     Q_UNUSED(previous)
1940     Q_ASSERT(m_model->sortRole() == current);
1941
1942     setSortRole(current);
1943 }
1944
1945 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray> &current, const QList<QByteArray> &previous)
1946 {
1947     Q_UNUSED(previous)
1948     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1949
1950     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1951
1952     m_visibleRoles = current;
1953
1954     ViewProperties props(viewPropertiesUrl());
1955     props.setVisibleRoles(m_visibleRoles);
1956
1957     Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1958 }
1959
1960 void DolphinView::slotRoleEditingCanceled()
1961 {
1962     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1963 }
1964
1965 void DolphinView::slotRoleEditingFinished(int index, const QByteArray &role, const QVariant &value)
1966 {
1967     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1968
1969     const KFileItemList items = selectedItems();
1970     if (items.count() != 1) {
1971         return;
1972     }
1973
1974     if (role == "text") {
1975         const KFileItem oldItem = items.first();
1976         const EditResult retVal = value.value<EditResult>();
1977         const QString newName = retVal.newName;
1978         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1979             const QUrl oldUrl = oldItem.url();
1980
1981             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1982             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1983
1984 #ifndef Q_OS_WIN
1985             // Confirm hiding file/directory by renaming inline
1986             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1987                 KGuiItem yesGuiItem(i18nc("@action:button", "Rename and Hide"), QStringLiteral("view-hidden"));
1988
1989                 const auto code =
1990                     KMessageBox::questionTwoActions(this,
1991                                                     oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1992                                                                             "Do you still want to rename it?")
1993                                                                      : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1994                                                                             "Do you still want to rename it?"),
1995                                                     oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
1996                                                     yesGuiItem,
1997                                                     KStandardGuiItem::cancel(),
1998                                                     QStringLiteral("ConfirmHide"));
1999
2000                 if (code == KMessageBox::SecondaryAction) {
2001                     return;
2002                 }
2003             }
2004 #endif
2005
2006             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
2007             if (!newNameExistsAlready && m_model->index(oldUrl) == index) {
2008                 // Only change the data in the model if no item with the new name
2009                 // is in the model yet. If there is an item with the new name
2010                 // already, calling KIO::CopyJob will open a dialog
2011                 // asking for a new name, and KFileItemModel will update the
2012                 // data when the dir lister signals that the file name has changed.
2013                 QHash<QByteArray, QVariant> data;
2014                 data.insert(role, retVal.newName);
2015                 m_model->setData(index, data);
2016             }
2017
2018             KIO::Job *job = KIO::moveAs(oldUrl, newUrl);
2019             KJobWidgets::setWindow(job, this);
2020             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
2021             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
2022
2023             if (!newNameExistsAlready) {
2024                 forceUrlsSelection(newUrl, {newUrl});
2025
2026                 // Only connect the result signal if there is no item with the new name
2027                 // in the model yet, see bug 328262.
2028                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
2029             }
2030         }
2031         if (retVal.direction != EditDone) {
2032             const short indexShift = retVal.direction == EditNext ? 1 : -1;
2033             m_container->controller()->selectionManager()->setSelected(index, 1, KItemListSelectionManager::Deselect);
2034             m_container->controller()->selectionManager()->setSelected(index + indexShift, 1, KItemListSelectionManager::Select);
2035             renameSelectedItems();
2036         }
2037     }
2038 }
2039
2040 void DolphinView::loadDirectory(const QUrl &url, bool reload)
2041 {
2042     if (!url.isValid()) {
2043         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
2044         if (location.isEmpty()) {
2045             Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."));
2046         } else {
2047             Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
2048         }
2049         return;
2050     }
2051
2052     if (reload) {
2053         m_model->refreshDirectory(url);
2054     } else {
2055         m_model->loadDirectory(url);
2056     }
2057 }
2058
2059 void DolphinView::applyViewProperties()
2060 {
2061     const ViewProperties props(viewPropertiesUrl());
2062     applyViewProperties(props);
2063 }
2064
2065 void DolphinView::applyViewProperties(const ViewProperties &props)
2066 {
2067     m_view->beginTransaction();
2068
2069     const Mode mode = props.viewMode();
2070     if (m_mode != mode) {
2071         const Mode previousMode = m_mode;
2072         m_mode = mode;
2073
2074         // Changing the mode might result in changing
2075         // the zoom level. Remember the old zoom level so
2076         // that zoomLevelChanged() can get emitted.
2077         const int oldZoomLevel = m_view->zoomLevel();
2078         applyModeToView();
2079
2080         Q_EMIT modeChanged(m_mode, previousMode);
2081
2082         if (m_view->zoomLevel() != oldZoomLevel) {
2083             Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
2084         }
2085     }
2086
2087     const bool hiddenFilesShown = props.hiddenFilesShown();
2088     if (hiddenFilesShown != m_model->showHiddenFiles()) {
2089         m_model->setShowHiddenFiles(hiddenFilesShown);
2090         Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
2091     }
2092
2093     const bool groupedSorting = props.groupedSorting();
2094     if (groupedSorting != m_model->groupedSorting()) {
2095         m_model->setGroupedSorting(groupedSorting);
2096         Q_EMIT groupedSortingChanged(groupedSorting);
2097     }
2098
2099     const QByteArray sortRole = props.sortRole();
2100     if (sortRole != m_model->sortRole()) {
2101         m_model->setSortRole(sortRole);
2102         Q_EMIT sortRoleChanged(sortRole);
2103     }
2104
2105     const Qt::SortOrder sortOrder = props.sortOrder();
2106     if (sortOrder != m_model->sortOrder()) {
2107         m_model->setSortOrder(sortOrder);
2108         Q_EMIT sortOrderChanged(sortOrder);
2109     }
2110
2111     const bool sortFoldersFirst = props.sortFoldersFirst();
2112     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
2113         m_model->setSortDirectoriesFirst(sortFoldersFirst);
2114         Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
2115     }
2116
2117     const bool sortHiddenLast = props.sortHiddenLast();
2118     if (sortHiddenLast != m_model->sortHiddenLast()) {
2119         m_model->setSortHiddenLast(sortHiddenLast);
2120         Q_EMIT sortHiddenLastChanged(sortHiddenLast);
2121     }
2122
2123     const QList<QByteArray> visibleRoles = props.visibleRoles();
2124     if (visibleRoles != m_visibleRoles) {
2125         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
2126         m_visibleRoles = visibleRoles;
2127         m_view->setVisibleRoles(visibleRoles);
2128         Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
2129     }
2130
2131     const bool previewsShown = props.previewsShown();
2132     if (previewsShown != m_view->previewsShown()) {
2133         const int oldZoomLevel = zoomLevel();
2134
2135         m_view->setPreviewsShown(previewsShown);
2136         Q_EMIT previewsShownChanged(previewsShown);
2137
2138         // Changing the preview-state might result in a changed zoom-level
2139         if (oldZoomLevel != zoomLevel()) {
2140             Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
2141         }
2142     }
2143
2144     KItemListView *itemListView = m_container->controller()->view();
2145     if (itemListView->isHeaderVisible()) {
2146         KItemListHeader *header = itemListView->header();
2147         const QList<int> headerColumnWidths = props.headerColumnWidths();
2148         const int rolesCount = m_visibleRoles.count();
2149         if (headerColumnWidths.count() == rolesCount) {
2150             header->setAutomaticColumnResizing(false);
2151
2152             QHash<QByteArray, qreal> columnWidths;
2153             for (int i = 0; i < rolesCount; ++i) {
2154                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
2155             }
2156             header->setColumnWidths(columnWidths);
2157         } else {
2158             header->setAutomaticColumnResizing(true);
2159         }
2160         header->setSidePadding(DetailsModeSettings::sidePadding());
2161     }
2162
2163     m_view->endTransaction();
2164 }
2165
2166 void DolphinView::applyModeToView()
2167 {
2168     switch (m_mode) {
2169     case IconsView:
2170         m_view->setItemLayout(KFileItemListView::IconsLayout);
2171         break;
2172     case CompactView:
2173         m_view->setItemLayout(KFileItemListView::CompactLayout);
2174         break;
2175     case DetailsView:
2176         m_view->setItemLayout(KFileItemListView::DetailsLayout);
2177         break;
2178     default:
2179         Q_ASSERT(false);
2180         break;
2181     }
2182 }
2183
2184 void DolphinView::pasteToUrl(const QUrl &url)
2185 {
2186     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
2187     KJobWidgets::setWindow(job, this);
2188     m_clearSelectionBeforeSelectingNewItems = true;
2189     m_markFirstNewlySelectedItemAsCurrent = true;
2190     m_selectJobCreatedItems = true;
2191     // TODO KF6 use KIO::PasteJob::copyJobStarted to hook to earlier events copying/moving
2192     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
2193     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotJobResult);
2194 }
2195
2196 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
2197 {
2198     QList<QUrl> urls;
2199
2200     const KFileItemList items = selectedItems();
2201     urls.reserve(items.count());
2202     for (const KFileItem &item : items) {
2203         urls.append(item.url());
2204     }
2205
2206     if (itemsExpandable()) {
2207         // TODO: Check if we still need KDirModel for this in KDE 5.0
2208         urls = KDirModel::simplifiedUrlList(urls);
2209     }
2210
2211     return urls;
2212 }
2213
2214 QMimeData *DolphinView::selectionMimeData() const
2215 {
2216     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
2217     const KItemSet selectedIndexes = selectionManager->selectedItems();
2218
2219     return m_model->createMimeData(selectedIndexes);
2220 }
2221
2222 void DolphinView::updateWritableState()
2223 {
2224     const bool wasFolderWritable = m_isFolderWritable;
2225     m_isFolderWritable = false;
2226
2227     KFileItem item = m_model->rootItem();
2228     if (item.isNull()) {
2229         // Try to find out if the URL is writable even if the "root item" is
2230         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
2231         item = KFileItem(url());
2232         item.setDelayedMimeTypes(true);
2233     }
2234
2235     KFileItemListProperties capabilities(KFileItemList() << item);
2236     m_isFolderWritable = capabilities.supportsWriting();
2237
2238     if (m_isFolderWritable != wasFolderWritable) {
2239         Q_EMIT writeStateChanged(m_isFolderWritable);
2240     }
2241 }
2242
2243 bool DolphinView::isFolderWritable() const
2244 {
2245     return m_isFolderWritable;
2246 }
2247
2248 QUrl DolphinView::viewPropertiesUrl() const
2249 {
2250     if (m_viewPropertiesContext.isEmpty()) {
2251         return m_url;
2252     }
2253
2254     QUrl url;
2255     url.setScheme(m_url.scheme());
2256     url.setPath(m_viewPropertiesContext);
2257     return url;
2258 }
2259
2260 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl> &urls)
2261 {
2262     forceUrlsSelection(urls.first(), urls);
2263 }
2264
2265 void DolphinView::forceUrlsSelection(const QUrl &current, const QList<QUrl> &selected)
2266 {
2267     clearSelection();
2268     m_clearSelectionBeforeSelectingNewItems = true;
2269     markUrlAsCurrent(current);
2270     markUrlsAsSelected(selected);
2271 }
2272
2273 void DolphinView::copyPathToClipboard()
2274 {
2275     const KFileItemList list = selectedItems();
2276     if (list.isEmpty()) {
2277         return;
2278     }
2279     const KFileItem &item = list.at(0);
2280     QString path = item.localPath();
2281     if (path.isEmpty()) {
2282         path = item.url().toDisplayString();
2283     }
2284     QClipboard *clipboard = QApplication::clipboard();
2285     if (clipboard == nullptr) {
2286         return;
2287     }
2288     clipboard->setText(QDir::toNativeSeparators(path));
2289 }
2290
2291 void DolphinView::slotIncreaseZoom()
2292 {
2293     setZoomLevel(zoomLevel() + 1);
2294 }
2295
2296 void DolphinView::slotDecreaseZoom()
2297 {
2298     setZoomLevel(zoomLevel() - 1);
2299 }
2300
2301 void DolphinView::slotSwipeUp()
2302 {
2303     Q_EMIT goUpRequested();
2304 }
2305
2306 void DolphinView::showLoadingPlaceholder()
2307 {
2308     m_placeholderLabel->setText(i18n("Loading…"));
2309     m_placeholderLabel->setVisible(true);
2310 }
2311
2312 void DolphinView::updatePlaceholderLabel()
2313 {
2314     m_showLoadingPlaceholderTimer->stop();
2315     if (itemsCount() > 0) {
2316         m_placeholderLabel->setVisible(false);
2317         return;
2318     }
2319
2320     if (m_loadingState == LoadingState::Loading) {
2321         m_placeholderLabel->setVisible(false);
2322         m_showLoadingPlaceholderTimer->start();
2323         return;
2324     }
2325
2326     if (m_loadingState == LoadingState::Canceled) {
2327         m_placeholderLabel->setText(i18n("Loading canceled"));
2328     } else if (!nameFilter().isEmpty()) {
2329         m_placeholderLabel->setText(i18n("No items matching the filter"));
2330     } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
2331         m_placeholderLabel->setText(i18n("No items matching the search"));
2332     } else if (m_url.scheme() == QLatin1String("trash") && m_url.path() == QLatin1String("/")) {
2333         m_placeholderLabel->setText(i18n("Trash is empty"));
2334     } else if (m_url.scheme() == QLatin1String("tags")) {
2335         if (m_url.path() == QLatin1Char('/')) {
2336             m_placeholderLabel->setText(i18n("No tags"));
2337         } else {
2338             const QString tagName = m_url.path().mid(1); // Remove leading /
2339             m_placeholderLabel->setText(i18n("No files tagged with \"%1\"", tagName));
2340         }
2341
2342     } else if (m_url.scheme() == QLatin1String("recentlyused")) {
2343         m_placeholderLabel->setText(i18n("No recently used items"));
2344     } else if (m_url.scheme() == QLatin1String("smb")) {
2345         m_placeholderLabel->setText(i18n("No shared folders found"));
2346     } else if (m_url.scheme() == QLatin1String("network")) {
2347         m_placeholderLabel->setText(i18n("No relevant network resources found"));
2348     } else if (m_url.scheme() == QLatin1String("mtp") && m_url.path() == QLatin1String("/")) {
2349         m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
2350     } else if (m_url.scheme() == QLatin1String("afc") && m_url.path() == QLatin1String("/")) {
2351         m_placeholderLabel->setText(i18n("No Apple devices found"));
2352     } else if (m_url.scheme() == QLatin1String("bluetooth")) {
2353         m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
2354     } else {
2355         m_placeholderLabel->setText(i18n("Folder is empty"));
2356     }
2357
2358     m_placeholderLabel->setVisible(true);
2359 }
2360
2361 bool DolphinView::tryShowNameToolTip(QHelpEvent *event)
2362 {
2363     if (!GeneralSettings::showToolTips() && m_mode == DolphinView::IconsView) {
2364         const std::optional<int> index = m_view->itemAt(event->pos());
2365
2366         if (!index.has_value()) {
2367             return false;
2368         }
2369
2370         // Check whether the filename has been elided
2371         const bool isElided = m_view->isElided(index.value());
2372
2373         if (isElided) {
2374             const KFileItem item = m_model->fileItem(index.value());
2375             const QString text = item.text();
2376             const QPoint pos = mapToGlobal(event->pos());
2377             QToolTip::showText(pos, text);
2378             return true;
2379         }
2380     }
2381     return false;
2382 }
2383
2384 #include "moc_dolphinview.cpp"