src/views/dolphinview.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2006-2009 Peter Penz <peter.penz19@gmail.com>
   3  * SPDX-FileCopyrightText: 2006 Gregor Kališnik <gregor@podnapisi.net>
   4  *
   5  * SPDX-License-Identifier: GPL-2.0-or-later
   6  */
   7
   8 #include "dolphinview.h"
   9
  10 #include "dolphin_detailsmodesettings.h"
  11 #include "dolphin_generalsettings.h"
  12 #include "dolphinitemlistview.h"
  13 #include "dolphinnewfilemenuobserver.h"
  14 #include "draganddrophelper.h"
  15 #include "kitemviews/kfileitemlistview.h"
  16 #include "kitemviews/kfileitemmodel.h"
  17 #include "kitemviews/kitemlistcontainer.h"
  18 #include "kitemviews/kitemlistcontroller.h"
  19 #include "kitemviews/kitemlistheader.h"
  20 #include "kitemviews/kitemlistselectionmanager.h"
  21 #include "kitemviews/private/kitemlistroleeditor.h"
  22 #include "selectionmode/singleclickselectionproxystyle.h"
  23 #include "settings/viewmodes/viewmodesettings.h"
  24 #include "versioncontrol/versioncontrolobserver.h"
  25 #include "viewproperties.h"
  26 #include "views/tooltips/tooltipmanager.h"
  27 #include "zoomlevelinfo.h"
  28
  29 #if HAVE_BALOO
  30 #include <Baloo/IndexerConfig>
  31 #endif
  32 #include <KColorScheme>
  33 #include <KDesktopFile>
  34 #include <KDirModel>
  35 #include <KFileItemListProperties>
  36 #include <KFormat>
  37 #include <KIO/CopyJob>
  38 #include <KIO/DeleteJob>
  39 #include <KIO/DropJob>
  40 #include <KIO/JobUiDelegate>
  41 #include <KIO/Paste>
  42 #include <KIO/PasteJob>
  43 #include <KIO/RenameFileDialog>
  44 #include <KJobWidgets>
  45 #include <KLocalizedString>
  46 #include <KMessageBox>
  47 #include <KProtocolManager>
  48 #include <KUrlMimeData>
  49
  50 #include <kwidgetsaddons_version.h>
  51
  52 #include <kio_version.h>
  53 #if KIO_VERSION >= QT_VERSION_CHECK(5, 100, 0)
  54 #include <KIO/DeleteOrTrashJob>
  55 #endif
  56
  57 #include <QAbstractItemView>
  58 #include <QActionGroup>
  59 #include <QApplication>
  60 #include <QClipboard>
  61 #include <QDropEvent>
  62 #include <QGraphicsOpacityEffect>
  63 #include <QGraphicsSceneDragDropEvent>
  64 #include <QLabel>
  65 #include <QMenu>
  66 #include <QMimeDatabase>
  67 #include <QPixmapCache>
  68 #include <QScrollBar>
  69 #include <QSize>
  70 #include <QTimer>
  71 #include <QToolTip>
  72 #include <QVBoxLayout>
  73
  74 DolphinView::DolphinView(const QUrl &url, QWidget *parent)
  75     : QWidget(parent)
  76     , m_active(true)
  77     , m_tabsForFiles(false)
  78     , m_assureVisibleCurrentIndex(false)
  79     , m_isFolderWritable(true)
  80     , m_dragging(false)
  81     , m_selectNextItem(false)
  82     , m_url(url)
  83     , m_viewPropertiesContext()
  84     , m_mode(DolphinView::IconsView)
  85     , m_visibleRoles()
  86     , m_topLayout(nullptr)
  87     , m_model(nullptr)
  88     , m_view(nullptr)
  89     , m_container(nullptr)
  90     , m_toolTipManager(nullptr)
  91     , m_selectionChangedTimer(nullptr)
  92     , m_currentItemUrl()
  93     , m_scrollToCurrentItem(false)
  94     , m_restoredContentsPosition()
  95     , m_selectedUrls()
  96     , m_clearSelectionBeforeSelectingNewItems(false)
  97     , m_markFirstNewlySelectedItemAsCurrent(false)
  98     , m_versionControlObserver(nullptr)
  99     , m_twoClicksRenamingTimer(nullptr)
 100     , m_placeholderLabel(nullptr)
 101     , m_showLoadingPlaceholderTimer(nullptr)
 102 {
 103     m_topLayout = new QVBoxLayout(this);
 104     m_topLayout->setSpacing(0);
 105     m_topLayout->setContentsMargins(0, 0, 0, 0);
 106
 107     // When a new item has been created by the "Create New..." menu, the item should
 108     // get selected and it must be assured that the item will get visible. As the
 109     // creation is done asynchronously, several signals must be checked:
 110     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated, this, &DolphinView::observeCreatedItem);
 111
 112     m_selectionChangedTimer = new QTimer(this);
 113     m_selectionChangedTimer->setSingleShot(true);
 114     m_selectionChangedTimer->setInterval(300);
 115     connect(m_selectionChangedTimer, &QTimer::timeout, this, &DolphinView::emitSelectionChangedSignal);
 116
 117     m_model = new KFileItemModel(this);
 118     m_view = new DolphinItemListView();
 119     m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::FollowSetting);
 120     m_view->setVisibleRoles({"text"});
 121     applyModeToView();
 122
 123     KItemListController *controller = new KItemListController(m_model, m_view, this);
 124     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 125     controller->setAutoActivationDelay(delay);
 126
 127     // The EnlargeSmallPreviews setting can only be changed after the model
 128     // has been set in the view by KItemListController.
 129     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 130
 131     m_container = new KItemListContainer(controller, this);
 132     m_container->installEventFilter(this);
 133     setFocusProxy(m_container);
 134     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, [=] {
 135         hideToolTip();
 136     });
 137     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, [=] {
 138         hideToolTip();
 139     });
 140
 141     m_showLoadingPlaceholderTimer = new QTimer(this);
 142     m_showLoadingPlaceholderTimer->setInterval(500);
 143     m_showLoadingPlaceholderTimer->setSingleShot(true);
 144     connect(m_showLoadingPlaceholderTimer, &QTimer::timeout, this, &DolphinView::showLoadingPlaceholder);
 145
 146     // Show some placeholder text for empty folders
 147     // This is made using a heavily-modified QLabel rather than a KTitleWidget
 148     // because KTitleWidget can't be told to turn off mouse-selectable text
 149     m_placeholderLabel = new QLabel(this);
 150     QFont placeholderLabelFont;
 151     // To match the size of a level 2 Heading/KTitleWidget
 152     placeholderLabelFont.setPointSize(qRound(placeholderLabelFont.pointSize() * 1.3));
 153     m_placeholderLabel->setFont(placeholderLabelFont);
 154     m_placeholderLabel->setTextInteractionFlags(Qt::NoTextInteraction);
 155     m_placeholderLabel->setWordWrap(true);
 156     m_placeholderLabel->setAlignment(Qt::AlignCenter);
 157     // Match opacity of QML placeholder label component
 158     auto *effect = new QGraphicsOpacityEffect(m_placeholderLabel);
 159     effect->setOpacity(0.5);
 160     m_placeholderLabel->setGraphicsEffect(effect);
 161     // Set initial text and visibility
 162     updatePlaceholderLabel();
 163
 164     auto *centeringLayout = new QVBoxLayout(m_container);
 165     centeringLayout->addWidget(m_placeholderLabel);
 166     centeringLayout->setAlignment(m_placeholderLabel, Qt::AlignCenter);
 167     m_placeholderLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 168     connect(m_placeholderLabel, &QWidget::customContextMenuRequested, this, [this](const QPoint &pos) {
 169         slotViewContextMenuRequested(m_placeholderLabel->mapToGlobal(pos));
 170     });
 171
 172     controller->setSelectionBehavior(KItemListController::MultiSelection);
 173     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 174     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 175     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 176     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 177     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 178     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 179     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 180     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 181     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 182     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 183     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 184     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 185     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 186     connect(controller, &KItemListController::increaseZoom, this, &DolphinView::slotIncreaseZoom);
 187     connect(controller, &KItemListController::decreaseZoom, this, &DolphinView::slotDecreaseZoom);
 188     connect(controller, &KItemListController::swipeUp, this, &DolphinView::slotSwipeUp);
 189     connect(controller, &KItemListController::selectionModeChangeRequested, this, &DolphinView::selectionModeChangeRequested);
 190
 191     connect(m_model, &KFileItemModel::directoryLoadingStarted, this, &DolphinView::slotDirectoryLoadingStarted);
 192     connect(m_model, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
 193     connect(m_model, &KFileItemModel::directoryLoadingCanceled, this, &DolphinView::slotDirectoryLoadingCanceled);
 194     connect(m_model, &KFileItemModel::directoryLoadingProgress, this, &DolphinView::directoryLoadingProgress);
 195     connect(m_model, &KFileItemModel::directorySortingProgress, this, &DolphinView::directorySortingProgress);
 196     connect(m_model, &KFileItemModel::itemsChanged, this, &DolphinView::slotItemsChanged);
 197     connect(m_model, &KFileItemModel::itemsRemoved, this, &DolphinView::itemCountChanged);
 198     connect(m_model, &KFileItemModel::itemsInserted, this, &DolphinView::itemCountChanged);
 199     connect(m_model, &KFileItemModel::infoMessage, this, &DolphinView::infoMessage);
 200     connect(m_model, &KFileItemModel::errorMessage, this, &DolphinView::errorMessage);
 201     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 202     connect(m_model, &KFileItemModel::urlIsFileError, this, &DolphinView::urlIsFileError);
 203     connect(m_model, &KFileItemModel::fileItemsChanged, this, &DolphinView::fileItemsChanged);
 204     connect(m_model, &KFileItemModel::currentDirectoryRemoved, this, &DolphinView::currentDirectoryRemoved);
 205
 206     connect(this, &DolphinView::itemCountChanged, this, &DolphinView::updatePlaceholderLabel);
 207     connect(this, &DolphinView::itemCountChanged, this, &DolphinView::updateSelectionState);
 208
 209     m_view->installEventFilter(this);
 210     connect(m_view, &DolphinItemListView::sortOrderChanged, this, &DolphinView::slotSortOrderChangedByHeader);
 211     connect(m_view, &DolphinItemListView::sortRoleChanged, this, &DolphinView::slotSortRoleChangedByHeader);
 212     connect(m_view, &DolphinItemListView::visibleRolesChanged, this, &DolphinView::slotVisibleRolesChangedByHeader);
 213     connect(m_view, &DolphinItemListView::roleEditingCanceled, this, &DolphinView::slotRoleEditingCanceled);
 214
 215     connect(m_view, &DolphinItemListView::columnHovered, this, [this](int columnIndex) {
 216         m_hoveredColumnHeaderIndex = columnIndex;
 217     });
 218     connect(m_view, &DolphinItemListView::columnUnHovered, this, [this](int /* columnIndex */) {
 219         m_hoveredColumnHeaderIndex = std::nullopt;
 220     });
 221     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished, this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 222     connect(m_view->header(), &KItemListHeader::sidePaddingChanged, this, &DolphinView::slotSidePaddingWidthChanged);
 223
 224     KItemListSelectionManager *selectionManager = controller->selectionManager();
 225     connect(selectionManager, &KItemListSelectionManager::selectionChanged, this, &DolphinView::slotSelectionChanged);
 226
 227 #if HAVE_BALOO
 228     m_toolTipManager = new ToolTipManager(this);
 229     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 230 #endif
 231
 232     m_versionControlObserver = new VersionControlObserver(this);
 233     m_versionControlObserver->setView(this);
 234     m_versionControlObserver->setModel(m_model);
 235     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 236     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 237     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 238
 239     m_twoClicksRenamingTimer = new QTimer(this);
 240     m_twoClicksRenamingTimer->setSingleShot(true);
 241     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 242
 243     applyViewProperties();
 244     m_topLayout->addWidget(m_container);
 245
 246     loadDirectory(url);
 247 }
 248
 249 DolphinView::~DolphinView()
 250 {
 251     disconnect(m_container->controller(), &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 252 }
 253
 254 QUrl DolphinView::url() const
 255 {
 256     return m_url;
 257 }
 258
 259 void DolphinView::setActive(bool active)
 260 {
 261     if (active == m_active) {
 262         return;
 263     }
 264
 265     m_active = active;
 266
 267     updatePalette();
 268
 269     if (active) {
 270         m_container->setFocus();
 271         Q_EMIT activated();
 272         Q_EMIT writeStateChanged(m_isFolderWritable);
 273     }
 274 }
 275
 276 bool DolphinView::isActive() const
 277 {
 278     return m_active;
 279 }
 280
 281 void DolphinView::setViewMode(Mode mode)
 282 {
 283     if (mode != m_mode) {
 284         ViewProperties props(viewPropertiesUrl());
 285         props.setViewMode(mode);
 286
 287         // We pass the new ViewProperties to applyViewProperties, rather than
 288         // storing them on disk and letting applyViewProperties() read them
 289         // from there, to prevent that changing the view mode fails if the
 290         // .directory file is not writable (see bug 318534).
 291         applyViewProperties(props);
 292     }
 293 }
 294
 295 DolphinView::Mode DolphinView::viewMode() const
 296 {
 297     return m_mode;
 298 }
 299
 300 void DolphinView::setSelectionModeEnabled(const bool enabled)
 301 {
 302     if (enabled) {
 303         if (!m_proxyStyle) {
 304             m_proxyStyle = std::make_unique<SelectionMode::SingleClickSelectionProxyStyle>();
 305         }
 306         setStyle(m_proxyStyle.get());
 307         m_view->setStyle(m_proxyStyle.get());
 308         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::False);
 309     } else {
 310         setStyle(QApplication::style());
 311         m_view->setStyle(QApplication::style());
 312         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::FollowSetting);
 313     }
 314     m_container->controller()->setSelectionModeEnabled(enabled);
 315 }
 316
 317 bool DolphinView::selectionMode() const
 318 {
 319     return m_container->controller()->selectionMode();
 320 }
 321
 322 void DolphinView::setPreviewsShown(bool show)
 323 {
 324     if (previewsShown() == show) {
 325         return;
 326     }
 327
 328     ViewProperties props(viewPropertiesUrl());
 329     props.setPreviewsShown(show);
 330
 331     const int oldZoomLevel = m_view->zoomLevel();
 332     m_view->setPreviewsShown(show);
 333     Q_EMIT previewsShownChanged(show);
 334
 335     const int newZoomLevel = m_view->zoomLevel();
 336     if (newZoomLevel != oldZoomLevel) {
 337         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 338     }
 339 }
 340
 341 bool DolphinView::previewsShown() const
 342 {
 343     return m_view->previewsShown();
 344 }
 345
 346 void DolphinView::setHiddenFilesShown(bool show)
 347 {
 348     if (m_model->showHiddenFiles() == show) {
 349         return;
 350     }
 351
 352     const KFileItemList itemList = selectedItems();
 353     m_selectedUrls.clear();
 354     m_selectedUrls = itemList.urlList();
 355
 356     ViewProperties props(viewPropertiesUrl());
 357     props.setHiddenFilesShown(show);
 358
 359     m_model->setShowHiddenFiles(show);
 360     Q_EMIT hiddenFilesShownChanged(show);
 361 }
 362
 363 bool DolphinView::hiddenFilesShown() const
 364 {
 365     return m_model->showHiddenFiles();
 366 }
 367
 368 void DolphinView::setGroupedSorting(bool grouped)
 369 {
 370     if (grouped == groupedSorting()) {
 371         return;
 372     }
 373
 374     ViewProperties props(viewPropertiesUrl());
 375     props.setGroupedSorting(grouped);
 376     props.save();
 377
 378     m_container->controller()->model()->setGroupedSorting(grouped);
 379
 380     Q_EMIT groupedSortingChanged(grouped);
 381 }
 382
 383 bool DolphinView::groupedSorting() const
 384 {
 385     return m_model->groupedSorting();
 386 }
 387
 388 KFileItemList DolphinView::items() const
 389 {
 390     KFileItemList list;
 391     const int itemCount = m_model->count();
 392     list.reserve(itemCount);
 393
 394     for (int i = 0; i < itemCount; ++i) {
 395         list.append(m_model->fileItem(i));
 396     }
 397
 398     return list;
 399 }
 400
 401 int DolphinView::itemsCount() const
 402 {
 403     return m_model->count();
 404 }
 405
 406 KFileItemList DolphinView::selectedItems() const
 407 {
 408     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 409
 410     KFileItemList selectedItems;
 411     const auto items = selectionManager->selectedItems();
 412     selectedItems.reserve(items.count());
 413     for (int index : items) {
 414         selectedItems.append(m_model->fileItem(index));
 415     }
 416     return selectedItems;
 417 }
 418
 419 int DolphinView::selectedItemsCount() const
 420 {
 421     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 422     return selectionManager->selectedItems().count();
 423 }
 424
 425 void DolphinView::markUrlsAsSelected(const QList<QUrl> &urls)
 426 {
 427     m_selectedUrls = urls;
 428     m_selectJobCreatedItems = false;
 429 }
 430
 431 void DolphinView::markUrlAsCurrent(const QUrl &url)
 432 {
 433     m_currentItemUrl = url;
 434     m_scrollToCurrentItem = true;
 435 }
 436
 437 void DolphinView::selectItems(const QRegularExpression &regexp, bool enabled)
 438 {
 439     const KItemListSelectionManager::SelectionMode mode = enabled ? KItemListSelectionManager::Select : KItemListSelectionManager::Deselect;
 440     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 441
 442     for (int index = 0; index < m_model->count(); index++) {
 443         const KFileItem item = m_model->fileItem(index);
 444         if (regexp.match(item.text()).hasMatch()) {
 445             // An alternative approach would be to store the matching items in a KItemSet and
 446             // select them in one go after the loop, but we'd need a new function
 447             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 448             // for that.
 449             selectionManager->setSelected(index, 1, mode);
 450         }
 451     }
 452 }
 453
 454 void DolphinView::setZoomLevel(int level)
 455 {
 456     const int oldZoomLevel = zoomLevel();
 457     m_view->setZoomLevel(level);
 458     if (zoomLevel() != oldZoomLevel) {
 459         hideToolTip();
 460         Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
 461     }
 462 }
 463
 464 int DolphinView::zoomLevel() const
 465 {
 466     return m_view->zoomLevel();
 467 }
 468
 469 void DolphinView::setSortRole(const QByteArray &role)
 470 {
 471     if (role != sortRole()) {
 472         updateSortRole(role);
 473     }
 474 }
 475
 476 QByteArray DolphinView::sortRole() const
 477 {
 478     const KItemModelBase *model = m_container->controller()->model();
 479     return model->sortRole();
 480 }
 481
 482 void DolphinView::setSortOrder(Qt::SortOrder order)
 483 {
 484     if (sortOrder() != order) {
 485         updateSortOrder(order);
 486     }
 487 }
 488
 489 Qt::SortOrder DolphinView::sortOrder() const
 490 {
 491     return m_model->sortOrder();
 492 }
 493
 494 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 495 {
 496     if (sortFoldersFirst() != foldersFirst) {
 497         updateSortFoldersFirst(foldersFirst);
 498     }
 499 }
 500
 501 bool DolphinView::sortFoldersFirst() const
 502 {
 503     return m_model->sortDirectoriesFirst();
 504 }
 505
 506 void DolphinView::setSortHiddenLast(bool hiddenLast)
 507 {
 508     if (sortHiddenLast() != hiddenLast) {
 509         updateSortHiddenLast(hiddenLast);
 510     }
 511 }
 512
 513 bool DolphinView::sortHiddenLast() const
 514 {
 515     return m_model->sortHiddenLast();
 516 }
 517
 518 void DolphinView::setVisibleRoles(const QList<QByteArray> &roles)
 519 {
 520     const QList<QByteArray> previousRoles = roles;
 521
 522     ViewProperties props(viewPropertiesUrl());
 523     props.setVisibleRoles(roles);
 524
 525     m_visibleRoles = roles;
 526     m_view->setVisibleRoles(roles);
 527
 528     Q_EMIT visibleRolesChanged(m_visibleRoles, previousRoles);
 529 }
 530
 531 QList<QByteArray> DolphinView::visibleRoles() const
 532 {
 533     return m_visibleRoles;
 534 }
 535
 536 void DolphinView::reload()
 537 {
 538     QByteArray viewState;
 539     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 540     saveState(saveStream);
 541
 542     setUrl(url());
 543     loadDirectory(url(), true);
 544
 545     QDataStream restoreStream(viewState);
 546     restoreState(restoreStream);
 547 }
 548
 549 void DolphinView::readSettings()
 550 {
 551     const int oldZoomLevel = m_view->zoomLevel();
 552
 553     GeneralSettings::self()->load();
 554     m_view->readSettings();
 555     applyViewProperties();
 556
 557     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 558     m_container->controller()->setAutoActivationDelay(delay);
 559
 560     const int newZoomLevel = m_view->zoomLevel();
 561     if (newZoomLevel != oldZoomLevel) {
 562         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 563     }
 564 }
 565
 566 void DolphinView::writeSettings()
 567 {
 568     GeneralSettings::self()->save();
 569     m_view->writeSettings();
 570 }
 571
 572 void DolphinView::setNameFilter(const QString &nameFilter)
 573 {
 574     m_model->setNameFilter(nameFilter);
 575 }
 576
 577 QString DolphinView::nameFilter() const
 578 {
 579     return m_model->nameFilter();
 580 }
 581
 582 void DolphinView::setMimeTypeFilters(const QStringList &filters)
 583 {
 584     return m_model->setMimeTypeFilters(filters);
 585 }
 586
 587 QStringList DolphinView::mimeTypeFilters() const
 588 {
 589     return m_model->mimeTypeFilters();
 590 }
 591
 592 void DolphinView::requestStatusBarText()
 593 {
 594     if (m_statJobForStatusBarText) {
 595         // Kill the pending request.
 596         m_statJobForStatusBarText->kill();
 597     }
 598
 599     if (m_container->controller()->selectionManager()->hasSelection()) {
 600         int folderCount = 0;
 601         int fileCount = 0;
 602         KIO::filesize_t totalFileSize = 0;
 603
 604         // Give a summary of the status of the selected files
 605         const KFileItemList list = selectedItems();
 606         for (const KFileItem &item : list) {
 607             if (item.isDir()) {
 608                 ++folderCount;
 609             } else {
 610                 ++fileCount;
 611                 totalFileSize += item.size();
 612             }
 613         }
 614
 615         if (folderCount + fileCount == 1) {
 616             // If only one item is selected, show info about it
 617             Q_EMIT statusBarTextChanged(list.first().getStatusBarInfo());
 618         } else {
 619             // At least 2 items are selected
 620             emitStatusBarText(folderCount, fileCount, totalFileSize, HasSelection);
 621         }
 622     } else { // has no selection
 623         if (!m_model->rootItem().url().isValid()) {
 624             return;
 625         }
 626
 627         m_statJobForStatusBarText = KIO::statDetails(m_model->rootItem().url(), KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
 628         connect(m_statJobForStatusBarText, &KJob::result, this, &DolphinView::slotStatJobResult);
 629         m_statJobForStatusBarText->start();
 630     }
 631 }
 632
 633 void DolphinView::emitStatusBarText(const int folderCount, const int fileCount, KIO::filesize_t totalFileSize, const Selection selection)
 634 {
 635     QString foldersText;
 636     QString filesText;
 637     QString summary;
 638
 639     if (selection == HasSelection) {
 640         // At least 2 items are selected because the case of 1 selected item is handled in
 641         // DolphinView::requestStatusBarText().
 642         foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 643         filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 644     } else {
 645         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 646         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 647     }
 648
 649     if (fileCount > 0 && folderCount > 0) {
 650         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)", foldersText, filesText, KFormat().formatByteSize(totalFileSize));
 651     } else if (fileCount > 0) {
 652         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, KFormat().formatByteSize(totalFileSize));
 653     } else if (folderCount > 0) {
 654         summary = foldersText;
 655     } else {
 656         summary = i18nc("@info:status", "0 Folders, 0 Files");
 657     }
 658     Q_EMIT statusBarTextChanged(summary);
 659 }
 660
 661 QList<QAction *> DolphinView::versionControlActions(const KFileItemList &items) const
 662 {
 663     QList<QAction *> actions;
 664
 665     if (items.isEmpty()) {
 666         const KFileItem item = m_model->rootItem();
 667         if (!item.isNull()) {
 668             actions = m_versionControlObserver->actions(KFileItemList() << item);
 669         }
 670     } else {
 671         actions = m_versionControlObserver->actions(items);
 672     }
 673
 674     return actions;
 675 }
 676
 677 void DolphinView::setUrl(const QUrl &url)
 678 {
 679     if (url == m_url) {
 680         return;
 681     }
 682
 683     clearSelection();
 684
 685     m_url = url;
 686
 687     hideToolTip();
 688
 689     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 690
 691     // It is important to clear the items from the model before
 692     // applying the view properties, otherwise expensive operations
 693     // might be done on the existing items although they get cleared
 694     // anyhow afterwards by loadDirectory().
 695     m_model->clear();
 696     applyViewProperties();
 697     loadDirectory(url);
 698
 699     Q_EMIT urlChanged(url);
 700 }
 701
 702 void DolphinView::selectAll()
 703 {
 704     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 705     selectionManager->setSelected(0, m_model->count());
 706 }
 707
 708 void DolphinView::invertSelection()
 709 {
 710     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 711     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 712 }
 713
 714 void DolphinView::clearSelection()
 715 {
 716     m_selectJobCreatedItems = false;
 717     m_selectedUrls.clear();
 718     m_container->controller()->selectionManager()->clearSelection();
 719 }
 720
 721 void DolphinView::renameSelectedItems()
 722 {
 723     const KFileItemList items = selectedItems();
 724     if (items.isEmpty()) {
 725         return;
 726     }
 727
 728     if (items.count() == 1 && GeneralSettings::renameInline()) {
 729         const int index = m_model->index(items.first());
 730
 731         QMetaObject::Connection *const connection = new QMetaObject::Connection;
 732         *connection = connect(m_view, &KItemListView::scrollingStopped, this, [=]() {
 733             QObject::disconnect(*connection);
 734             delete connection;
 735
 736             m_view->editRole(index, "text");
 737
 738             hideToolTip();
 739
 740             connect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 741         });
 742         m_view->scrollToItem(index);
 743
 744     } else {
 745         KIO::RenameFileDialog *dialog = new KIO::RenameFileDialog(items, this);
 746         connect(dialog, &KIO::RenameFileDialog::renamingFinished, this, &DolphinView::slotRenameDialogRenamingFinished);
 747
 748         dialog->open();
 749     }
 750
 751     // Assure that the current index remains visible when KFileItemModel
 752     // will notify the view about changed items (which might result in
 753     // a changed sorting).
 754     m_assureVisibleCurrentIndex = true;
 755 }
 756
 757 void DolphinView::trashSelectedItems()
 758 {
 759     const QList<QUrl> list = simplifiedSelectedUrls();
 760
 761 #if KIO_VERSION >= QT_VERSION_CHECK(5, 100, 0)
 762     using Iface = KIO::AskUserActionInterface;
 763     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Trash, Iface::DefaultConfirmation, this);
 764     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 765     m_selectNextItem = true;
 766     trashJob->start();
 767 #else
 768     KIO::JobUiDelegate uiDelegate;
 769     uiDelegate.setWindow(window());
 770     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 771         KIO::Job *job = KIO::trash(list);
 772         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, QUrl(QStringLiteral("trash:/")), job);
 773         KJobWidgets::setWindow(job, this);
 774         connect(job, &KIO::Job::result, this, &DolphinView::slotTrashFileFinished);
 775     }
 776 #endif
 777 }
 778
 779 void DolphinView::deleteSelectedItems()
 780 {
 781     const QList<QUrl> list = simplifiedSelectedUrls();
 782
 783 #if KIO_VERSION >= QT_VERSION_CHECK(5, 100, 0)
 784     using Iface = KIO::AskUserActionInterface;
 785     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Delete, Iface::DefaultConfirmation, this);
 786     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 787     m_selectNextItem = true;
 788     trashJob->start();
 789 #else
 790     KIO::JobUiDelegate uiDelegate;
 791     uiDelegate.setWindow(window());
 792     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 793         KIO::Job *job = KIO::del(list);
 794         KJobWidgets::setWindow(job, this);
 795         connect(job, &KIO::Job::result, this, &DolphinView::slotDeleteFileFinished);
 796     }
 797 #endif
 798 }
 799
 800 void DolphinView::cutSelectedItemsToClipboard()
 801 {
 802     QMimeData *mimeData = selectionMimeData();
 803     KIO::setClipboardDataCut(mimeData, true);
 804     KUrlMimeData::exportUrlsToPortal(mimeData);
 805     QApplication::clipboard()->setMimeData(mimeData);
 806 }
 807
 808 void DolphinView::copySelectedItemsToClipboard()
 809 {
 810     QMimeData *mimeData = selectionMimeData();
 811     KUrlMimeData::exportUrlsToPortal(mimeData);
 812     QApplication::clipboard()->setMimeData(mimeData);
 813 }
 814
 815 void DolphinView::copySelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 816 {
 817     KIO::CopyJob *job = KIO::copy(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 818     KJobWidgets::setWindow(job, this);
 819
 820     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 821     connect(job, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
 822     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 823     KIO::FileUndoManager::self()->recordCopyJob(job);
 824 }
 825
 826 void DolphinView::moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 827 {
 828     KIO::CopyJob *job = KIO::move(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 829     KJobWidgets::setWindow(job, this);
 830
 831     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 832     connect(job, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
 833     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 834     KIO::FileUndoManager::self()->recordCopyJob(job);
 835 }
 836
 837 void DolphinView::paste()
 838 {
 839     pasteToUrl(url());
 840 }
 841
 842 void DolphinView::pasteIntoFolder()
 843 {
 844     const KFileItemList items = selectedItems();
 845     if ((items.count() == 1) && items.first().isDir()) {
 846         pasteToUrl(items.first().url());
 847     }
 848 }
 849
 850 void DolphinView::duplicateSelectedItems()
 851 {
 852     const KFileItemList itemList = selectedItems();
 853     if (itemList.isEmpty()) {
 854         return;
 855     }
 856
 857     const QMimeDatabase db;
 858
 859     // Duplicate all selected items and append "copy" to the end of the file name
 860     // but before the filename extension, if present
 861     QList<QUrl> newSelection;
 862     for (const auto &item : itemList) {
 863         const QUrl originalURL = item.url();
 864         const QString originalDirectoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 865         const QString originalFileName = item.name();
 866
 867         QString extension = db.suffixForFileName(originalFileName);
 868
 869         QUrl duplicateURL = originalURL;
 870
 871         // No extension; new filename is "<oldfilename> copy"
 872         if (extension.isEmpty()) {
 873             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFileName));
 874             // There's an extension; new filename is "<oldfilename> copy.<extension>"
 875         } else {
 876             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 877             extension = QLatin1String(".") + extension;
 878             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 879             // Preserve file's original filename extension in case the casing differs
 880             // from what QMimeDatabase::suffixForFileName() returned
 881             const QString originalExtension = originalFileName.right(extension.size());
 882             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFilenameWithoutExtension) + originalExtension);
 883         }
 884
 885         KIO::CopyJob *job = KIO::copyAs(originalURL, duplicateURL);
 886         KJobWidgets::setWindow(job, this);
 887
 888         if (job) {
 889             newSelection << duplicateURL;
 890             KIO::FileUndoManager::self()->recordCopyJob(job);
 891         }
 892     }
 893
 894     forceUrlsSelection(newSelection.first(), newSelection);
 895 }
 896
 897 void DolphinView::stopLoading()
 898 {
 899     m_model->cancelDirectoryLoading();
 900 }
 901
 902 void DolphinView::updatePalette()
 903 {
 904     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 905     if (!m_active) {
 906         color.setAlpha(150);
 907     }
 908
 909     QWidget *viewport = m_container->viewport();
 910     if (viewport) {
 911         QPalette palette;
 912         palette.setColor(viewport->backgroundRole(), color);
 913         viewport->setPalette(palette);
 914     }
 915
 916     update();
 917 }
 918
 919 void DolphinView::abortTwoClicksRenaming()
 920 {
 921     m_twoClicksRenamingItemUrl.clear();
 922     m_twoClicksRenamingTimer->stop();
 923 }
 924
 925 bool DolphinView::eventFilter(QObject *watched, QEvent *event)
 926 {
 927     switch (event->type()) {
 928     case QEvent::PaletteChange:
 929         updatePalette();
 930         QPixmapCache::clear();
 931         break;
 932
 933     case QEvent::WindowActivate:
 934     case QEvent::WindowDeactivate:
 935         updatePalette();
 936         break;
 937
 938     case QEvent::KeyPress:
 939         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 940         if (GeneralSettings::useTabForSwitchingSplitView()) {
 941             QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
 942             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 943                 Q_EMIT toggleActiveViewRequested();
 944                 return true;
 945             }
 946         }
 947         break;
 948     case QEvent::KeyRelease:
 949         if (static_cast<QKeyEvent *>(event)->key() == Qt::Key_Control) {
 950             m_controlWheelAccumulatedDelta = 0;
 951         }
 952         break;
 953     case QEvent::FocusIn:
 954         if (watched == m_container) {
 955             setActive(true);
 956         }
 957         break;
 958
 959     case QEvent::GraphicsSceneDragEnter:
 960         if (watched == m_view) {
 961             m_dragging = true;
 962             abortTwoClicksRenaming();
 963         }
 964         break;
 965
 966     case QEvent::GraphicsSceneDragLeave:
 967         if (watched == m_view) {
 968             m_dragging = false;
 969         }
 970         break;
 971
 972     case QEvent::GraphicsSceneDrop:
 973         if (watched == m_view) {
 974             m_dragging = false;
 975         }
 976         break;
 977
 978     case QEvent::ToolTip: {
 979         const auto helpEvent = static_cast<QHelpEvent *>(event);
 980         if (tryShowNameToolTip(helpEvent)) {
 981             return true;
 982
 983         } else if (m_hoveredColumnHeaderIndex) {
 984             const auto rolesInfo = KFileItemModel::rolesInformation();
 985             const auto visibleRole = m_visibleRoles.value(*m_hoveredColumnHeaderIndex);
 986
 987             for (const KFileItemModel::RoleInfo &info : rolesInfo) {
 988                 if (visibleRole == info.role) {
 989                     QToolTip::showText(helpEvent->globalPos(), info.tooltip, this);
 990                     return true;
 991                 }
 992             }
 993         }
 994         break;
 995     }
 996     default:
 997         break;
 998     }
 999
1000     return QWidget::eventFilter(watched, event);
1001 }
1002
1003 void DolphinView::wheelEvent(QWheelEvent *event)
1004 {
1005     if (event->modifiers().testFlag(Qt::ControlModifier)) {
1006         m_controlWheelAccumulatedDelta += event->angleDelta().y();
1007
1008         if (m_controlWheelAccumulatedDelta <= -QWheelEvent::DefaultDeltasPerStep) {
1009             slotDecreaseZoom();
1010             m_controlWheelAccumulatedDelta += QWheelEvent::DefaultDeltasPerStep;
1011         } else if (m_controlWheelAccumulatedDelta >= QWheelEvent::DefaultDeltasPerStep) {
1012             slotIncreaseZoom();
1013             m_controlWheelAccumulatedDelta -= QWheelEvent::DefaultDeltasPerStep;
1014         }
1015
1016         event->accept();
1017     } else {
1018         event->ignore();
1019     }
1020 }
1021
1022 void DolphinView::hideEvent(QHideEvent *event)
1023 {
1024     hideToolTip();
1025     QWidget::hideEvent(event);
1026 }
1027
1028 bool DolphinView::event(QEvent *event)
1029 {
1030     if (event->type() == QEvent::WindowDeactivate) {
1031         /* See Bug 297355
1032          * Dolphin leaves file preview tooltips open even when is not visible.
1033          *
1034          * Hide tool-tip when Dolphin loses focus.
1035          */
1036         hideToolTip();
1037         abortTwoClicksRenaming();
1038     }
1039
1040     return QWidget::event(event);
1041 }
1042
1043 void DolphinView::activate()
1044 {
1045     setActive(true);
1046 }
1047
1048 void DolphinView::slotItemActivated(int index)
1049 {
1050     abortTwoClicksRenaming();
1051
1052     const KFileItem item = m_model->fileItem(index);
1053     if (!item.isNull()) {
1054         Q_EMIT itemActivated(item);
1055     }
1056 }
1057
1058 void DolphinView::slotItemsActivated(const KItemSet &indexes)
1059 {
1060     Q_ASSERT(indexes.count() >= 2);
1061
1062     abortTwoClicksRenaming();
1063
1064     const auto modifiers = QGuiApplication::keyboardModifiers();
1065
1066     if (indexes.count() > 5) {
1067         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
1068 #if KWIDGETSADDONS_VERSION >= QT_VERSION_CHECK(5, 100, 0)
1069         const int answer = KMessageBox::warningTwoActions(
1070             this,
1071             question,
1072             {},
1073 #else
1074         const int answer =
1075             KMessageBox::warningYesNo(this,
1076                                       question,
1077                                       {},
1078 #endif
1079             KGuiItem(i18ncp("@action:button", "Open %1 Item", "Open %1 Items", indexes.count()), QStringLiteral("document-open")),
1080             KStandardGuiItem::cancel());
1081 #if KWIDGETSADDONS_VERSION >= QT_VERSION_CHECK(5, 100, 0)
1082         if (answer != KMessageBox::PrimaryAction) {
1083 #else
1084         if (answer != KMessageBox::Yes) {
1085 #endif
1086             return;
1087         }
1088     }
1089
1090     KFileItemList items;
1091     items.reserve(indexes.count());
1092
1093     for (int index : indexes) {
1094         KFileItem item = m_model->fileItem(index);
1095         const QUrl &url = openItemAsFolderUrl(item);
1096
1097         if (!url.isEmpty()) {
1098             // Open folders in new tabs or in new windows depending on the modifier
1099             // The ctrl+shift behavior is ignored because we are handling multiple items
1100             // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1101             if (modifiers & Qt::ShiftModifier && !(modifiers & Qt::ControlModifier)) {
1102                 Q_EMIT windowRequested(url);
1103             } else {
1104                 Q_EMIT tabRequested(url);
1105             }
1106         } else {
1107             items.append(item);
1108         }
1109     }
1110
1111     if (items.count() == 1) {
1112         Q_EMIT itemActivated(items.first());
1113     } else if (items.count() > 1) {
1114         Q_EMIT itemsActivated(items);
1115     }
1116 }
1117
1118 void DolphinView::slotItemMiddleClicked(int index)
1119 {
1120     const KFileItem &item = m_model->fileItem(index);
1121     const QUrl &url = openItemAsFolderUrl(item);
1122     const auto modifiers = QGuiApplication::keyboardModifiers();
1123     if (!url.isEmpty()) {
1124         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1125         if (modifiers & Qt::ShiftModifier) {
1126             Q_EMIT activeTabRequested(url);
1127         } else {
1128             Q_EMIT tabRequested(url);
1129         }
1130     } else if (isTabsForFilesEnabled()) {
1131         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1132         if (modifiers & Qt::ShiftModifier) {
1133             Q_EMIT activeTabRequested(item.url());
1134         } else {
1135             Q_EMIT tabRequested(item.url());
1136         }
1137     }
1138 }
1139
1140 void DolphinView::slotItemContextMenuRequested(int index, const QPointF &pos)
1141 {
1142     // Force emit of a selection changed signal before we request the
1143     // context menu, to update the edit-actions first. (See Bug 294013)
1144     if (m_selectionChangedTimer->isActive()) {
1145         emitSelectionChangedSignal();
1146     }
1147
1148     const KFileItem item = m_model->fileItem(index);
1149     Q_EMIT requestContextMenu(pos.toPoint(), item, selectedItems(), url());
1150 }
1151
1152 void DolphinView::slotViewContextMenuRequested(const QPointF &pos)
1153 {
1154     Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), selectedItems(), url());
1155 }
1156
1157 void DolphinView::slotHeaderContextMenuRequested(const QPointF &pos)
1158 {
1159     ViewProperties props(viewPropertiesUrl());
1160
1161     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
1162
1163     KItemListView *view = m_container->controller()->view();
1164     const QList<QByteArray> visibleRolesSet = view->visibleRoles();
1165
1166     bool indexingEnabled = false;
1167 #if HAVE_BALOO
1168     Baloo::IndexerConfig config;
1169     indexingEnabled = config.fileIndexingEnabled();
1170 #endif
1171
1172     QString groupName;
1173     QMenu *groupMenu = nullptr;
1174
1175     // Add all roles to the menu that can be shown or hidden by the user
1176     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
1177     for (const KFileItemModel::RoleInfo &info : rolesInfo) {
1178         if (info.role == "text") {
1179             // It should not be possible to hide the "text" role
1180             continue;
1181         }
1182
1183         const QString text = m_model->roleDescription(info.role);
1184         QAction *action = nullptr;
1185         if (info.group.isEmpty()) {
1186             action = menu->addAction(text);
1187         } else {
1188             if (!groupMenu || info.group != groupName) {
1189                 groupName = info.group;
1190                 groupMenu = menu->addMenu(groupName);
1191             }
1192
1193             action = groupMenu->addAction(text);
1194         }
1195
1196         action->setCheckable(true);
1197         action->setChecked(visibleRolesSet.contains(info.role));
1198         action->setData(info.role);
1199         action->setToolTip(info.tooltip);
1200
1201         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) || (info.requiresBaloo) || (info.requiresIndexer && indexingEnabled);
1202         action->setEnabled(enable);
1203     }
1204
1205     menu->addSeparator();
1206
1207     QActionGroup *widthsGroup = new QActionGroup(menu);
1208     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1209
1210     QAction *toggleSidePaddingAction = menu->addAction(i18nc("@action:inmenu", "Side Padding"));
1211     toggleSidePaddingAction->setCheckable(true);
1212     toggleSidePaddingAction->setChecked(view->header()->sidePadding() > 0);
1213
1214     QAction *autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1215     autoAdjustWidthsAction->setCheckable(true);
1216     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1217     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1218
1219     QAction *customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1220     customWidthsAction->setCheckable(true);
1221     customWidthsAction->setChecked(!autoColumnWidths);
1222     customWidthsAction->setActionGroup(widthsGroup);
1223
1224     QAction *action = menu->exec(pos.toPoint());
1225     if (menu && action) {
1226         KItemListHeader *header = view->header();
1227
1228         if (action == autoAdjustWidthsAction) {
1229             // Clear the column-widths from the viewproperties and turn on
1230             // the automatic resizing of the columns
1231             props.setHeaderColumnWidths(QList<int>());
1232             header->setAutomaticColumnResizing(true);
1233         } else if (action == customWidthsAction) {
1234             // Apply the current column-widths as custom column-widths and turn
1235             // off the automatic resizing of the columns
1236             QList<int> columnWidths;
1237             const auto visibleRoles = view->visibleRoles();
1238             columnWidths.reserve(visibleRoles.count());
1239             for (const QByteArray &role : visibleRoles) {
1240                 columnWidths.append(header->columnWidth(role));
1241             }
1242             props.setHeaderColumnWidths(columnWidths);
1243             header->setAutomaticColumnResizing(false);
1244         } else if (action == toggleSidePaddingAction) {
1245             header->setSidePadding(toggleSidePaddingAction->isChecked() ? 20 : 0);
1246         } else {
1247             // Show or hide the selected role
1248             const QByteArray selectedRole = action->data().toByteArray();
1249
1250             QList<QByteArray> visibleRoles = view->visibleRoles();
1251             if (action->isChecked()) {
1252                 visibleRoles.append(selectedRole);
1253             } else {
1254                 visibleRoles.removeOne(selectedRole);
1255             }
1256
1257             view->setVisibleRoles(visibleRoles);
1258             props.setVisibleRoles(visibleRoles);
1259
1260             QList<int> columnWidths;
1261             if (!header->automaticColumnResizing()) {
1262                 const auto visibleRoles = view->visibleRoles();
1263                 columnWidths.reserve(visibleRoles.count());
1264                 for (const QByteArray &role : visibleRoles) {
1265                     columnWidths.append(header->columnWidth(role));
1266                 }
1267             }
1268             props.setHeaderColumnWidths(columnWidths);
1269         }
1270     }
1271
1272     delete menu;
1273 }
1274
1275 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray &role, qreal current)
1276 {
1277     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1278
1279     ViewProperties props(viewPropertiesUrl());
1280     QList<int> columnWidths = props.headerColumnWidths();
1281     if (columnWidths.count() != visibleRoles.count()) {
1282         columnWidths.clear();
1283         columnWidths.reserve(visibleRoles.count());
1284         const KItemListHeader *header = m_view->header();
1285         for (const QByteArray &role : visibleRoles) {
1286             const int width = header->columnWidth(role);
1287             columnWidths.append(width);
1288         }
1289     }
1290
1291     const int roleIndex = visibleRoles.indexOf(role);
1292     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1293     columnWidths[roleIndex] = current;
1294
1295     props.setHeaderColumnWidths(columnWidths);
1296 }
1297
1298 void DolphinView::slotSidePaddingWidthChanged(qreal width)
1299 {
1300     ViewProperties props(viewPropertiesUrl());
1301     DetailsModeSettings::setSidePadding(int(width));
1302     m_view->writeSettings();
1303 }
1304
1305 void DolphinView::slotItemHovered(int index)
1306 {
1307     const KFileItem item = m_model->fileItem(index);
1308
1309     if (GeneralSettings::showToolTips() && !m_dragging) {
1310         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1311         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1312         itemRect.moveTo(pos);
1313
1314 #if HAVE_BALOO
1315         auto nativeParent = nativeParentWidget();
1316         if (nativeParent) {
1317             m_toolTipManager->showToolTip(item, itemRect, nativeParent->windowHandle());
1318         }
1319 #endif
1320     }
1321
1322     Q_EMIT requestItemInfo(item);
1323 }
1324
1325 void DolphinView::slotItemUnhovered(int index)
1326 {
1327     Q_UNUSED(index)
1328     hideToolTip();
1329     Q_EMIT requestItemInfo(KFileItem());
1330 }
1331
1332 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent *event)
1333 {
1334     QUrl destUrl;
1335     KFileItem destItem = m_model->fileItem(index);
1336     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1337         // Use the URL of the view as drop target if the item is no directory
1338         // or desktop-file
1339         destItem = m_model->rootItem();
1340         destUrl = url();
1341     } else {
1342         // The item represents a directory or desktop-file
1343         destUrl = destItem.mostLocalUrl();
1344     }
1345
1346     QDropEvent dropEvent(event->pos().toPoint(), event->possibleActions(), event->mimeData(), event->buttons(), event->modifiers());
1347     dropUrls(destUrl, &dropEvent, this);
1348
1349     setActive(true);
1350 }
1351
1352 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1353 {
1354     KIO::DropJob *job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1355
1356     if (job) {
1357         connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
1358
1359         if (destUrl == url()) {
1360             // Mark the dropped urls as selected.
1361             m_clearSelectionBeforeSelectingNewItems = true;
1362             m_markFirstNewlySelectedItemAsCurrent = true;
1363             m_selectJobCreatedItems = true;
1364             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1365             connect(job, &KIO::DropJob::copyJobStarted, this, [this](const KIO::CopyJob *copyJob) {
1366                 connect(copyJob, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
1367                 connect(copyJob, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
1368                 connect(copyJob, &KIO::CopyJob::linking, this, [this](KIO::Job *job, const QString &src, const QUrl &dest) {
1369                     Q_UNUSED(job)
1370                     Q_UNUSED(src)
1371                     slotItemCreated(dest);
1372                 });
1373             });
1374         }
1375     }
1376 }
1377
1378 void DolphinView::slotModelChanged(KItemModelBase *current, KItemModelBase *previous)
1379 {
1380     if (previous != nullptr) {
1381         Q_ASSERT(qobject_cast<KFileItemModel *>(previous));
1382         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(previous);
1383         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1384         m_versionControlObserver->setModel(nullptr);
1385     }
1386
1387     if (current) {
1388         Q_ASSERT(qobject_cast<KFileItemModel *>(current));
1389         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(current);
1390         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1391         m_versionControlObserver->setModel(fileItemModel);
1392     }
1393 }
1394
1395 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1396 {
1397     Q_UNUSED(itemIndex)
1398
1399     hideToolTip();
1400
1401     if (buttons & Qt::BackButton) {
1402         Q_EMIT goBackRequested();
1403     } else if (buttons & Qt::ForwardButton) {
1404         Q_EMIT goForwardRequested();
1405     }
1406 }
1407
1408 void DolphinView::slotSelectedItemTextPressed(int index)
1409 {
1410     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1411         const KFileItem item = m_model->fileItem(index);
1412         const KFileItemListProperties capabilities(KFileItemList() << item);
1413         if (capabilities.supportsMoving()) {
1414             m_twoClicksRenamingItemUrl = item.url();
1415             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1416         }
1417     }
1418 }
1419
1420 void DolphinView::slotItemCreatedFromJob(KIO::Job *, const QUrl &, const QUrl &to)
1421 {
1422     slotItemCreated(to);
1423 }
1424
1425 void DolphinView::slotItemCreated(const QUrl &url)
1426 {
1427     if (m_markFirstNewlySelectedItemAsCurrent) {
1428         markUrlAsCurrent(url);
1429         m_markFirstNewlySelectedItemAsCurrent = false;
1430     }
1431     if (m_selectJobCreatedItems && !m_selectedUrls.contains(url)) {
1432         m_selectedUrls << url;
1433     }
1434 }
1435
1436 void DolphinView::slotJobResult(KJob *job)
1437 {
1438     if (job->error() && job->error() != KIO::ERR_USER_CANCELED) {
1439         Q_EMIT errorMessage(job->errorString());
1440     }
1441     if (!m_selectJobCreatedItems) {
1442         m_selectedUrls.clear();
1443         return;
1444     }
1445     if (!m_selectedUrls.isEmpty()) {
1446         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1447
1448         updateSelectionState();
1449         if (!m_selectedUrls.isEmpty()) {
1450             // not all urls were found, the model may not be up to date
1451             // TODO KF6 replace with Qt::singleShotConnection
1452             QMetaObject::Connection *const connection = new QMetaObject::Connection;
1453             *connection = connect(
1454                 m_model,
1455                 &KFileItemModel::directoryLoadingCompleted,
1456                 this,
1457                 [this, connection]() {
1458                     // the model should now contain all the items created by the job
1459                     updateSelectionState();
1460                     m_selectJobCreatedItems = false;
1461                     m_selectedUrls.clear();
1462                     QObject::disconnect(*connection);
1463                     delete connection;
1464                 },
1465                 Qt::UniqueConnection);
1466         } else {
1467             m_selectJobCreatedItems = false;
1468             m_selectedUrls.clear();
1469         }
1470     }
1471 }
1472
1473 void DolphinView::slotSelectionChanged(const KItemSet &current, const KItemSet &previous)
1474 {
1475     m_selectNextItem = false;
1476     const int currentCount = current.count();
1477     const int previousCount = previous.count();
1478     const bool selectionStateChanged = (currentCount == 0 && previousCount > 0) || (currentCount > 0 && previousCount == 0);
1479
1480     // If nothing has been selected before and something got selected (or if something
1481     // was selected before and now nothing is selected) the selectionChangedSignal must
1482     // be emitted asynchronously as fast as possible to update the edit-actions.
1483     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1484     m_selectionChangedTimer->start();
1485 }
1486
1487 void DolphinView::emitSelectionChangedSignal()
1488 {
1489     m_selectionChangedTimer->stop();
1490     Q_EMIT selectionChanged(selectedItems());
1491 }
1492
1493 void DolphinView::slotStatJobResult(KJob *job)
1494 {
1495     int folderCount = 0;
1496     int fileCount = 0;
1497     KIO::filesize_t totalFileSize = 0;
1498     bool countFileSize = true;
1499
1500     const auto entry = static_cast<KIO::StatJob *>(job)->statResult();
1501     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1502         // We have a precomputed value.
1503         totalFileSize = static_cast<KIO::filesize_t>(entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1504         countFileSize = false;
1505     }
1506
1507     const int itemCount = m_model->count();
1508     for (int i = 0; i < itemCount; ++i) {
1509         const KFileItem item = m_model->fileItem(i);
1510         if (item.isDir()) {
1511             ++folderCount;
1512         } else {
1513             ++fileCount;
1514             if (countFileSize) {
1515                 totalFileSize += item.size();
1516             }
1517         }
1518     }
1519     emitStatusBarText(folderCount, fileCount, totalFileSize, NoSelection);
1520 }
1521
1522 void DolphinView::updateSortRole(const QByteArray &role)
1523 {
1524     ViewProperties props(viewPropertiesUrl());
1525     props.setSortRole(role);
1526
1527     KItemModelBase *model = m_container->controller()->model();
1528     model->setSortRole(role);
1529
1530     Q_EMIT sortRoleChanged(role);
1531 }
1532
1533 void DolphinView::updateSortOrder(Qt::SortOrder order)
1534 {
1535     ViewProperties props(viewPropertiesUrl());
1536     props.setSortOrder(order);
1537
1538     m_model->setSortOrder(order);
1539
1540     Q_EMIT sortOrderChanged(order);
1541 }
1542
1543 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1544 {
1545     ViewProperties props(viewPropertiesUrl());
1546     props.setSortFoldersFirst(foldersFirst);
1547
1548     m_model->setSortDirectoriesFirst(foldersFirst);
1549
1550     Q_EMIT sortFoldersFirstChanged(foldersFirst);
1551 }
1552
1553 void DolphinView::updateSortHiddenLast(bool hiddenLast)
1554 {
1555     ViewProperties props(viewPropertiesUrl());
1556     props.setSortHiddenLast(hiddenLast);
1557
1558     m_model->setSortHiddenLast(hiddenLast);
1559
1560     Q_EMIT sortHiddenLastChanged(hiddenLast);
1561 }
1562
1563 QPair<bool, QString> DolphinView::pasteInfo() const
1564 {
1565     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1566     QPair<bool, QString> info;
1567     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1568     return info;
1569 }
1570
1571 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1572 {
1573     m_tabsForFiles = tabsForFiles;
1574 }
1575
1576 bool DolphinView::isTabsForFilesEnabled() const
1577 {
1578     return m_tabsForFiles;
1579 }
1580
1581 bool DolphinView::itemsExpandable() const
1582 {
1583     return m_mode == DetailsView;
1584 }
1585
1586 bool DolphinView::isExpanded(const KFileItem &item) const
1587 {
1588     Q_ASSERT(item.isDir());
1589     Q_ASSERT(items().contains(item));
1590     if (!itemsExpandable()) {
1591         return false;
1592     }
1593     return m_model->isExpanded(m_model->index(item));
1594 }
1595
1596 void DolphinView::restoreState(QDataStream &stream)
1597 {
1598     // Read the version number of the view state and check if the version is supported.
1599     quint32 version = 0;
1600     stream >> version;
1601     if (version != 1) {
1602         // The version of the view state isn't supported, we can't restore it.
1603         return;
1604     }
1605
1606     // Restore the current item that had the keyboard focus
1607     stream >> m_currentItemUrl;
1608
1609     // Restore the previously selected items
1610     stream >> m_selectedUrls;
1611
1612     // Restore the view position
1613     stream >> m_restoredContentsPosition;
1614
1615     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1616     QSet<QUrl> urls;
1617     stream >> urls;
1618     m_model->restoreExpandedDirectories(urls);
1619 }
1620
1621 void DolphinView::saveState(QDataStream &stream)
1622 {
1623     stream << quint32(1); // View state version
1624
1625     // Save the current item that has the keyboard focus
1626     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1627     if (currentIndex != -1) {
1628         KFileItem item = m_model->fileItem(currentIndex);
1629         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1630         QUrl currentItemUrl = item.url();
1631         stream << currentItemUrl;
1632     } else {
1633         stream << QUrl();
1634     }
1635
1636     // Save the selected urls
1637     stream << selectedItems().urlList();
1638
1639     // Save view position
1640     const qreal x = m_container->horizontalScrollBar()->value();
1641     const qreal y = m_container->verticalScrollBar()->value();
1642     stream << QPoint(x, y);
1643
1644     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1645     stream << m_model->expandedDirectories();
1646 }
1647
1648 KFileItem DolphinView::rootItem() const
1649 {
1650     return m_model->rootItem();
1651 }
1652
1653 void DolphinView::setViewPropertiesContext(const QString &context)
1654 {
1655     m_viewPropertiesContext = context;
1656 }
1657
1658 QString DolphinView::viewPropertiesContext() const
1659 {
1660     return m_viewPropertiesContext;
1661 }
1662
1663 QUrl DolphinView::openItemAsFolderUrl(const KFileItem &item, const bool browseThroughArchives)
1664 {
1665     if (item.isNull()) {
1666         return QUrl();
1667     }
1668
1669     QUrl url = item.targetUrl();
1670
1671     if (item.isDir()) {
1672         return url;
1673     }
1674
1675     if (item.isMimeTypeKnown()) {
1676         const QString &mimetype = item.mimetype();
1677
1678         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1679             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1680             // zip:/<path>/ when clicking on a zip file, etc.
1681             // The .protocol file specifies the mimetype that the kioslave handles.
1682             // Note that we don't use mimetype inheritance since we don't want to
1683             // open OpenDocument files as zip folders...
1684             const QString &protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1685             if (!protocol.isEmpty()) {
1686                 url.setScheme(protocol);
1687                 return url;
1688             }
1689         }
1690
1691         if (mimetype == QLatin1String("application/x-desktop")) {
1692             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1693             KDesktopFile desktopFile(url.toLocalFile());
1694             if (desktopFile.hasLinkType()) {
1695                 const QString linkUrl = desktopFile.readUrl();
1696                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1697                     return QUrl::fromUserInput(linkUrl);
1698                 }
1699             }
1700         }
1701     }
1702
1703     return QUrl();
1704 }
1705
1706 void DolphinView::resetZoomLevel()
1707 {
1708     ViewModeSettings settings{m_mode};
1709     settings.useDefaults(true);
1710     const int defaultIconSize = settings.iconSize();
1711     settings.useDefaults(false);
1712
1713     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(QSize(defaultIconSize, defaultIconSize)));
1714 }
1715
1716 void DolphinView::observeCreatedItem(const QUrl &url)
1717 {
1718     if (m_active) {
1719         forceUrlsSelection(url, {url});
1720     }
1721 }
1722
1723 void DolphinView::slotDirectoryRedirection(const QUrl &oldUrl, const QUrl &newUrl)
1724 {
1725     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1726         Q_EMIT redirection(oldUrl, newUrl);
1727         m_url = newUrl; // #186947
1728     }
1729 }
1730
1731 void DolphinView::updateSelectionState()
1732 {
1733     if (!m_selectedUrls.isEmpty()) {
1734         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1735
1736         // if there is a selection already, leave it that way
1737         // unless some drop/paste job are in the process of creating items
1738         if (!selectionManager->hasSelection() || m_selectJobCreatedItems) {
1739             if (m_clearSelectionBeforeSelectingNewItems) {
1740                 selectionManager->clearSelection();
1741                 m_clearSelectionBeforeSelectingNewItems = false;
1742             }
1743
1744             KItemSet selectedItems = selectionManager->selectedItems();
1745
1746             QList<QUrl>::iterator it = m_selectedUrls.begin();
1747             while (it != m_selectedUrls.end()) {
1748                 const int index = m_model->index(*it);
1749                 if (index >= 0) {
1750                     selectedItems.insert(index);
1751                     it = m_selectedUrls.erase(it);
1752                 } else {
1753                     ++it;
1754                 }
1755             }
1756
1757             if (!selectedItems.isEmpty()) {
1758                 selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1759                 selectionManager->setSelectedItems(selectedItems);
1760             }
1761         }
1762     }
1763 }
1764
1765 void DolphinView::updateViewState()
1766 {
1767     if (m_currentItemUrl != QUrl()) {
1768         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1769
1770         // if there is a selection already, leave it that way
1771         if (!selectionManager->hasSelection()) {
1772             const int currentIndex = m_model->index(m_currentItemUrl);
1773             if (currentIndex != -1) {
1774                 selectionManager->setCurrentItem(currentIndex);
1775
1776                 // scroll to current item and reset the state
1777                 if (m_scrollToCurrentItem) {
1778                     m_view->scrollToItem(currentIndex);
1779                     m_scrollToCurrentItem = false;
1780                 }
1781                 m_currentItemUrl = QUrl();
1782             } else {
1783                 selectionManager->setCurrentItem(0);
1784             }
1785         } else {
1786             m_currentItemUrl = QUrl();
1787         }
1788     }
1789
1790     if (!m_restoredContentsPosition.isNull()) {
1791         const int x = m_restoredContentsPosition.x();
1792         const int y = m_restoredContentsPosition.y();
1793         m_restoredContentsPosition = QPoint();
1794
1795         m_container->horizontalScrollBar()->setValue(x);
1796         m_container->verticalScrollBar()->setValue(y);
1797     }
1798
1799     updateSelectionState();
1800 }
1801
1802 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1803 {
1804     if (GeneralSettings::showToolTips()) {
1805 #if HAVE_BALOO
1806         m_toolTipManager->hideToolTip(behavior);
1807 #else
1808         Q_UNUSED(behavior)
1809 #endif
1810     } else if (m_mode == DolphinView::IconsView) {
1811         QToolTip::hideText();
1812     }
1813 }
1814
1815 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1816 {
1817     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1818
1819     // verify that only one item is selected
1820     if (selectionManager->selectedItems().count() == 1) {
1821         const int index = selectionManager->currentItem();
1822         const QUrl fileItemUrl = m_model->fileItem(index).url();
1823
1824         // check if the selected item was the same item that started the twoClicksRenaming
1825         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1826             renameSelectedItems();
1827         }
1828     }
1829 }
1830
1831 void DolphinView::slotTrashFileFinished(KJob *job)
1832 {
1833     if (job->error() == 0) {
1834         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1835         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1836     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1837         Q_EMIT errorMessage(job->errorString());
1838     }
1839 }
1840
1841 void DolphinView::slotDeleteFileFinished(KJob *job)
1842 {
1843     if (job->error() == 0) {
1844         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1845         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1846     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1847         Q_EMIT errorMessage(job->errorString());
1848     }
1849 }
1850
1851 void DolphinView::selectNextItem()
1852 {
1853     if (m_active && m_selectNextItem) {
1854         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1855         if (selectedItems().isEmpty()) {
1856             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1857             return;
1858         }
1859         const auto lastSelectedIndex = m_model->index(selectedItems().last());
1860         if (lastSelectedIndex < 0) {
1861             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1862             return;
1863         }
1864         auto nextItem = lastSelectedIndex + 1;
1865         if (nextItem >= itemsCount()) {
1866             nextItem = lastSelectedIndex - selectedItemsCount();
1867         }
1868         if (nextItem >= 0) {
1869             selectionManager->setSelected(nextItem, 1);
1870         }
1871         m_selectNextItem = false;
1872     }
1873 }
1874
1875 void DolphinView::slotRenamingResult(KJob *job)
1876 {
1877     if (job->error()) {
1878         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1879         Q_ASSERT(copyJob);
1880         const QUrl newUrl = copyJob->destUrl();
1881         const int index = m_model->index(newUrl);
1882         if (index >= 0) {
1883             QHash<QByteArray, QVariant> data;
1884             const QUrl oldUrl = copyJob->srcUrls().at(0);
1885             data.insert("text", oldUrl.fileName());
1886             m_model->setData(index, data);
1887         }
1888     }
1889 }
1890
1891 void DolphinView::slotDirectoryLoadingStarted()
1892 {
1893     m_loadingState = LoadingState::Loading;
1894     updatePlaceholderLabel();
1895
1896     // Disable the writestate temporary until it can be determined in a fast way
1897     // in DolphinView::slotDirectoryLoadingCompleted()
1898     if (m_isFolderWritable) {
1899         m_isFolderWritable = false;
1900         Q_EMIT writeStateChanged(m_isFolderWritable);
1901     }
1902
1903     Q_EMIT directoryLoadingStarted();
1904 }
1905
1906 void DolphinView::slotDirectoryLoadingCompleted()
1907 {
1908     m_loadingState = LoadingState::Completed;
1909
1910     // Update the view-state. This has to be done asynchronously
1911     // because the view might not be in its final state yet.
1912     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1913
1914     // Update the placeholder label in case we found that the folder was empty
1915     // after loading it
1916
1917     Q_EMIT directoryLoadingCompleted();
1918
1919     updatePlaceholderLabel();
1920     updateWritableState();
1921 }
1922
1923 void DolphinView::slotDirectoryLoadingCanceled()
1924 {
1925     m_loadingState = LoadingState::Canceled;
1926
1927     updatePlaceholderLabel();
1928
1929     Q_EMIT directoryLoadingCanceled();
1930 }
1931
1932 void DolphinView::slotItemsChanged()
1933 {
1934     m_assureVisibleCurrentIndex = false;
1935 }
1936
1937 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1938 {
1939     Q_UNUSED(previous)
1940     Q_ASSERT(m_model->sortOrder() == current);
1941
1942     ViewProperties props(viewPropertiesUrl());
1943     props.setSortOrder(current);
1944
1945     Q_EMIT sortOrderChanged(current);
1946 }
1947
1948 void DolphinView::slotSortRoleChangedByHeader(const QByteArray &current, const QByteArray &previous)
1949 {
1950     Q_UNUSED(previous)
1951     Q_ASSERT(m_model->sortRole() == current);
1952
1953     ViewProperties props(viewPropertiesUrl());
1954     props.setSortRole(current);
1955
1956     Q_EMIT sortRoleChanged(current);
1957 }
1958
1959 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray> &current, const QList<QByteArray> &previous)
1960 {
1961     Q_UNUSED(previous)
1962     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1963
1964     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1965
1966     m_visibleRoles = current;
1967
1968     ViewProperties props(viewPropertiesUrl());
1969     props.setVisibleRoles(m_visibleRoles);
1970
1971     Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1972 }
1973
1974 void DolphinView::slotRoleEditingCanceled()
1975 {
1976     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1977 }
1978
1979 void DolphinView::slotRoleEditingFinished(int index, const QByteArray &role, const QVariant &value)
1980 {
1981     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1982
1983     const KFileItemList items = selectedItems();
1984     if (items.count() != 1) {
1985         return;
1986     }
1987
1988     if (role == "text") {
1989         const KFileItem oldItem = items.first();
1990         const EditResult retVal = value.value<EditResult>();
1991         const QString newName = retVal.newName;
1992         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1993             const QUrl oldUrl = oldItem.url();
1994
1995             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1996             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1997
1998 #ifndef Q_OS_WIN
1999             // Confirm hiding file/directory by renaming inline
2000             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
2001                 KGuiItem yesGuiItem(i18nc("@action:button", "Rename and Hide"), QStringLiteral("view-hidden"));
2002
2003 #if KWIDGETSADDONS_VERSION >= QT_VERSION_CHECK(5, 100, 0)
2004                 const auto code =
2005                     KMessageBox::questionTwoActions(this,
2006 #else
2007                 const auto code =
2008                     KMessageBox::questionYesNo(this,
2009 #endif
2010                                                     oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
2011                                                                             "Do you still want to rename it?")
2012                                                                      : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
2013                                                                             "Do you still want to rename it?"),
2014                                                     oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
2015                                                     yesGuiItem,
2016                                                     KStandardGuiItem::cancel(),
2017                                                     QStringLiteral("ConfirmHide"));
2018
2019 #if KWIDGETSADDONS_VERSION >= QT_VERSION_CHECK(5, 100, 0)
2020                 if (code == KMessageBox::SecondaryAction) {
2021 #else
2022                 if (code == KMessageBox::No) {
2023 #endif
2024                     return;
2025                 }
2026             }
2027 #endif
2028
2029             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
2030             if (!newNameExistsAlready && m_model->index(oldUrl) == index) {
2031                 // Only change the data in the model if no item with the new name
2032                 // is in the model yet. If there is an item with the new name
2033                 // already, calling KIO::CopyJob will open a dialog
2034                 // asking for a new name, and KFileItemModel will update the
2035                 // data when the dir lister signals that the file name has changed.
2036                 QHash<QByteArray, QVariant> data;
2037                 data.insert(role, retVal.newName);
2038                 m_model->setData(index, data);
2039             }
2040
2041             KIO::Job *job = KIO::moveAs(oldUrl, newUrl);
2042             KJobWidgets::setWindow(job, this);
2043             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
2044             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
2045
2046             forceUrlsSelection(newUrl, {newUrl});
2047
2048             if (!newNameExistsAlready) {
2049                 // Only connect the result signal if there is no item with the new name
2050                 // in the model yet, see bug 328262.
2051                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
2052             }
2053         }
2054         if (retVal.direction != EditDone) {
2055             const short indexShift = retVal.direction == EditNext ? 1 : -1;
2056             m_container->controller()->selectionManager()->setSelected(index, 1, KItemListSelectionManager::Deselect);
2057             m_container->controller()->selectionManager()->setSelected(index + indexShift, 1, KItemListSelectionManager::Select);
2058             renameSelectedItems();
2059         }
2060     }
2061 }
2062
2063 void DolphinView::loadDirectory(const QUrl &url, bool reload)
2064 {
2065     if (!url.isValid()) {
2066         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
2067         if (location.isEmpty()) {
2068             Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."));
2069         } else {
2070             Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
2071         }
2072         return;
2073     }
2074
2075     if (reload) {
2076         m_model->refreshDirectory(url);
2077     } else {
2078         m_model->loadDirectory(url);
2079     }
2080 }
2081
2082 void DolphinView::applyViewProperties()
2083 {
2084     const ViewProperties props(viewPropertiesUrl());
2085     applyViewProperties(props);
2086 }
2087
2088 void DolphinView::applyViewProperties(const ViewProperties &props)
2089 {
2090     m_view->beginTransaction();
2091
2092     const Mode mode = props.viewMode();
2093     if (m_mode != mode) {
2094         const Mode previousMode = m_mode;
2095         m_mode = mode;
2096
2097         // Changing the mode might result in changing
2098         // the zoom level. Remember the old zoom level so
2099         // that zoomLevelChanged() can get emitted.
2100         const int oldZoomLevel = m_view->zoomLevel();
2101         applyModeToView();
2102
2103         Q_EMIT modeChanged(m_mode, previousMode);
2104
2105         if (m_view->zoomLevel() != oldZoomLevel) {
2106             Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
2107         }
2108     }
2109
2110     const bool hiddenFilesShown = props.hiddenFilesShown();
2111     if (hiddenFilesShown != m_model->showHiddenFiles()) {
2112         m_model->setShowHiddenFiles(hiddenFilesShown);
2113         Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
2114     }
2115
2116     const bool groupedSorting = props.groupedSorting();
2117     if (groupedSorting != m_model->groupedSorting()) {
2118         m_model->setGroupedSorting(groupedSorting);
2119         Q_EMIT groupedSortingChanged(groupedSorting);
2120     }
2121
2122     const QByteArray sortRole = props.sortRole();
2123     if (sortRole != m_model->sortRole()) {
2124         m_model->setSortRole(sortRole);
2125         Q_EMIT sortRoleChanged(sortRole);
2126     }
2127
2128     const Qt::SortOrder sortOrder = props.sortOrder();
2129     if (sortOrder != m_model->sortOrder()) {
2130         m_model->setSortOrder(sortOrder);
2131         Q_EMIT sortOrderChanged(sortOrder);
2132     }
2133
2134     const bool sortFoldersFirst = props.sortFoldersFirst();
2135     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
2136         m_model->setSortDirectoriesFirst(sortFoldersFirst);
2137         Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
2138     }
2139
2140     const bool sortHiddenLast = props.sortHiddenLast();
2141     if (sortHiddenLast != m_model->sortHiddenLast()) {
2142         m_model->setSortHiddenLast(sortHiddenLast);
2143         Q_EMIT sortHiddenLastChanged(sortHiddenLast);
2144     }
2145
2146     const QList<QByteArray> visibleRoles = props.visibleRoles();
2147     if (visibleRoles != m_visibleRoles) {
2148         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
2149         m_visibleRoles = visibleRoles;
2150         m_view->setVisibleRoles(visibleRoles);
2151         Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
2152     }
2153
2154     const bool previewsShown = props.previewsShown();
2155     if (previewsShown != m_view->previewsShown()) {
2156         const int oldZoomLevel = zoomLevel();
2157
2158         m_view->setPreviewsShown(previewsShown);
2159         Q_EMIT previewsShownChanged(previewsShown);
2160
2161         // Changing the preview-state might result in a changed zoom-level
2162         if (oldZoomLevel != zoomLevel()) {
2163             Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
2164         }
2165     }
2166
2167     KItemListView *itemListView = m_container->controller()->view();
2168     if (itemListView->isHeaderVisible()) {
2169         KItemListHeader *header = itemListView->header();
2170         const QList<int> headerColumnWidths = props.headerColumnWidths();
2171         const int rolesCount = m_visibleRoles.count();
2172         if (headerColumnWidths.count() == rolesCount) {
2173             header->setAutomaticColumnResizing(false);
2174
2175             QHash<QByteArray, qreal> columnWidths;
2176             for (int i = 0; i < rolesCount; ++i) {
2177                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
2178             }
2179             header->setColumnWidths(columnWidths);
2180         } else {
2181             header->setAutomaticColumnResizing(true);
2182         }
2183         header->setSidePadding(DetailsModeSettings::sidePadding());
2184     }
2185
2186     m_view->endTransaction();
2187 }
2188
2189 void DolphinView::applyModeToView()
2190 {
2191     switch (m_mode) {
2192     case IconsView:
2193         m_view->setItemLayout(KFileItemListView::IconsLayout);
2194         break;
2195     case CompactView:
2196         m_view->setItemLayout(KFileItemListView::CompactLayout);
2197         break;
2198     case DetailsView:
2199         m_view->setItemLayout(KFileItemListView::DetailsLayout);
2200         break;
2201     default:
2202         Q_ASSERT(false);
2203         break;
2204     }
2205 }
2206
2207 void DolphinView::pasteToUrl(const QUrl &url)
2208 {
2209     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
2210     KJobWidgets::setWindow(job, this);
2211     m_clearSelectionBeforeSelectingNewItems = true;
2212     m_markFirstNewlySelectedItemAsCurrent = true;
2213     m_selectJobCreatedItems = true;
2214     // TODO KF6 use KIO::PasteJob::copyJobStarted to hook to earlier events copying/moving
2215     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
2216     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotJobResult);
2217 }
2218
2219 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
2220 {
2221     QList<QUrl> urls;
2222
2223     const KFileItemList items = selectedItems();
2224     urls.reserve(items.count());
2225     for (const KFileItem &item : items) {
2226         urls.append(item.url());
2227     }
2228
2229     if (itemsExpandable()) {
2230         // TODO: Check if we still need KDirModel for this in KDE 5.0
2231         urls = KDirModel::simplifiedUrlList(urls);
2232     }
2233
2234     return urls;
2235 }
2236
2237 QMimeData *DolphinView::selectionMimeData() const
2238 {
2239     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
2240     const KItemSet selectedIndexes = selectionManager->selectedItems();
2241
2242     return m_model->createMimeData(selectedIndexes);
2243 }
2244
2245 void DolphinView::updateWritableState()
2246 {
2247     const bool wasFolderWritable = m_isFolderWritable;
2248     m_isFolderWritable = false;
2249
2250     KFileItem item = m_model->rootItem();
2251     if (item.isNull()) {
2252         // Try to find out if the URL is writable even if the "root item" is
2253         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
2254         item = KFileItem(url());
2255         item.setDelayedMimeTypes(true);
2256     }
2257
2258     KFileItemListProperties capabilities(KFileItemList() << item);
2259     m_isFolderWritable = capabilities.supportsWriting();
2260
2261     if (m_isFolderWritable != wasFolderWritable) {
2262         Q_EMIT writeStateChanged(m_isFolderWritable);
2263     }
2264 }
2265
2266 QUrl DolphinView::viewPropertiesUrl() const
2267 {
2268     if (m_viewPropertiesContext.isEmpty()) {
2269         return m_url;
2270     }
2271
2272     QUrl url;
2273     url.setScheme(m_url.scheme());
2274     url.setPath(m_viewPropertiesContext);
2275     return url;
2276 }
2277
2278 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl> &urls)
2279 {
2280     forceUrlsSelection(urls.first(), urls);
2281 }
2282
2283 void DolphinView::forceUrlsSelection(const QUrl &current, const QList<QUrl> &selected)
2284 {
2285     clearSelection();
2286     m_clearSelectionBeforeSelectingNewItems = true;
2287     markUrlAsCurrent(current);
2288     markUrlsAsSelected(selected);
2289 }
2290
2291 void DolphinView::copyPathToClipboard()
2292 {
2293     const KFileItemList list = selectedItems();
2294     if (list.isEmpty()) {
2295         return;
2296     }
2297     const KFileItem &item = list.at(0);
2298     QString path = item.localPath();
2299     if (path.isEmpty()) {
2300         path = item.url().toDisplayString();
2301     }
2302     QClipboard *clipboard = QApplication::clipboard();
2303     if (clipboard == nullptr) {
2304         return;
2305     }
2306     clipboard->setText(path);
2307 }
2308
2309 void DolphinView::slotIncreaseZoom()
2310 {
2311     setZoomLevel(zoomLevel() + 1);
2312 }
2313
2314 void DolphinView::slotDecreaseZoom()
2315 {
2316     setZoomLevel(zoomLevel() - 1);
2317 }
2318
2319 void DolphinView::slotSwipeUp()
2320 {
2321     Q_EMIT goUpRequested();
2322 }
2323
2324 void DolphinView::showLoadingPlaceholder()
2325 {
2326     m_placeholderLabel->setText(i18n("Loading..."));
2327     m_placeholderLabel->setVisible(true);
2328 }
2329
2330 void DolphinView::updatePlaceholderLabel()
2331 {
2332     m_showLoadingPlaceholderTimer->stop();
2333     if (itemsCount() > 0) {
2334         m_placeholderLabel->setVisible(false);
2335         return;
2336     }
2337
2338     if (m_loadingState == LoadingState::Loading) {
2339         m_placeholderLabel->setVisible(false);
2340         m_showLoadingPlaceholderTimer->start();
2341         return;
2342     }
2343
2344     if (m_loadingState == LoadingState::Canceled) {
2345         m_placeholderLabel->setText(i18n("Loading canceled"));
2346     } else if (!nameFilter().isEmpty()) {
2347         m_placeholderLabel->setText(i18n("No items matching the filter"));
2348     } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
2349         m_placeholderLabel->setText(i18n("No items matching the search"));
2350     } else if (m_url.scheme() == QLatin1String("trash") && m_url.path() == QLatin1String("/")) {
2351         m_placeholderLabel->setText(i18n("Trash is empty"));
2352     } else if (m_url.scheme() == QLatin1String("tags")) {
2353         if (m_url.path() == QLatin1Char('/')) {
2354             m_placeholderLabel->setText(i18n("No tags"));
2355         } else {
2356             const QString tagName = m_url.path().mid(1); // Remove leading /
2357             m_placeholderLabel->setText(i18n("No files tagged with \"%1\"", tagName));
2358         }
2359
2360     } else if (m_url.scheme() == QLatin1String("recentlyused")) {
2361         m_placeholderLabel->setText(i18n("No recently used items"));
2362     } else if (m_url.scheme() == QLatin1String("smb")) {
2363         m_placeholderLabel->setText(i18n("No shared folders found"));
2364     } else if (m_url.scheme() == QLatin1String("network")) {
2365         m_placeholderLabel->setText(i18n("No relevant network resources found"));
2366     } else if (m_url.scheme() == QLatin1String("mtp") && m_url.path() == QLatin1String("/")) {
2367         m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
2368     } else if (m_url.scheme() == QLatin1String("afc") && m_url.path() == QLatin1String("/")) {
2369         m_placeholderLabel->setText(i18n("No Apple devices found"));
2370     } else if (m_url.scheme() == QLatin1String("bluetooth")) {
2371         m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
2372     } else {
2373         m_placeholderLabel->setText(i18n("Folder is empty"));
2374     }
2375
2376     m_placeholderLabel->setVisible(true);
2377 }
2378
2379 bool DolphinView::tryShowNameToolTip(QHelpEvent *event)
2380 {
2381     if (!GeneralSettings::showToolTips() && m_mode == DolphinView::IconsView) {
2382         const std::optional<int> index = m_view->itemAt(event->pos());
2383
2384         if (!index.has_value()) {
2385             return false;
2386         }
2387
2388         // Check whether the filename has been elided
2389         const bool isElided = m_view->isElided(index.value());
2390
2391         if (isElided) {
2392             const KFileItem item = m_model->fileItem(index.value());
2393             const QString text = item.text();
2394             const QPoint pos = mapToGlobal(event->pos());
2395             QToolTip::showText(pos, text);
2396             return true;
2397         }
2398     }
2399     return false;
2400 }