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     if (selection.isEmpty() || !destinationUrl.isValid()) {
 818         return;
 819     }
 820
 821     m_clearSelectionBeforeSelectingNewItems = true;
 822     m_markFirstNewlySelectedItemAsCurrent = true;
 823     m_selectJobCreatedItems = true;
 824
 825     KIO::CopyJob *job = KIO::copy(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 826     KJobWidgets::setWindow(job, this);
 827
 828     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 829     connect(job, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
 830     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 831     KIO::FileUndoManager::self()->recordCopyJob(job);
 832 }
 833
 834 void DolphinView::moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 835 {
 836     if (selection.isEmpty() || !destinationUrl.isValid()) {
 837         return;
 838     }
 839
 840     m_clearSelectionBeforeSelectingNewItems = true;
 841     m_markFirstNewlySelectedItemAsCurrent = true;
 842     m_selectJobCreatedItems = true;
 843
 844     KIO::CopyJob *job = KIO::move(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 845     KJobWidgets::setWindow(job, this);
 846
 847     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 848     connect(job, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
 849     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 850     KIO::FileUndoManager::self()->recordCopyJob(job);
 851 }
 852
 853 void DolphinView::paste()
 854 {
 855     pasteToUrl(url());
 856 }
 857
 858 void DolphinView::pasteIntoFolder()
 859 {
 860     const KFileItemList items = selectedItems();
 861     if ((items.count() == 1) && items.first().isDir()) {
 862         pasteToUrl(items.first().url());
 863     }
 864 }
 865
 866 void DolphinView::duplicateSelectedItems()
 867 {
 868     const KFileItemList itemList = selectedItems();
 869     if (itemList.isEmpty()) {
 870         return;
 871     }
 872
 873     const QMimeDatabase db;
 874
 875     // Duplicate all selected items and append "copy" to the end of the file name
 876     // but before the filename extension, if present
 877     QList<QUrl> newSelection;
 878     for (const auto &item : itemList) {
 879         const QUrl originalURL = item.url();
 880         const QString originalDirectoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 881         const QString originalFileName = item.name();
 882
 883         QString extension = db.suffixForFileName(originalFileName);
 884
 885         QUrl duplicateURL = originalURL;
 886
 887         // No extension; new filename is "<oldfilename> copy"
 888         if (extension.isEmpty()) {
 889             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFileName));
 890             // There's an extension; new filename is "<oldfilename> copy.<extension>"
 891         } else {
 892             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 893             extension = QLatin1String(".") + extension;
 894             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 895             // Preserve file's original filename extension in case the casing differs
 896             // from what QMimeDatabase::suffixForFileName() returned
 897             const QString originalExtension = originalFileName.right(extension.size());
 898             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFilenameWithoutExtension) + originalExtension);
 899         }
 900
 901         KIO::CopyJob *job = KIO::copyAs(originalURL, duplicateURL);
 902         KJobWidgets::setWindow(job, this);
 903
 904         if (job) {
 905             newSelection << duplicateURL;
 906             KIO::FileUndoManager::self()->recordCopyJob(job);
 907         }
 908     }
 909
 910     forceUrlsSelection(newSelection.first(), newSelection);
 911 }
 912
 913 void DolphinView::stopLoading()
 914 {
 915     m_model->cancelDirectoryLoading();
 916 }
 917
 918 void DolphinView::updatePalette()
 919 {
 920     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 921     if (!m_active) {
 922         color.setAlpha(150);
 923     }
 924
 925     QWidget *viewport = m_container->viewport();
 926     if (viewport) {
 927         QPalette palette;
 928         palette.setColor(viewport->backgroundRole(), color);
 929         viewport->setPalette(palette);
 930     }
 931
 932     update();
 933 }
 934
 935 void DolphinView::abortTwoClicksRenaming()
 936 {
 937     m_twoClicksRenamingItemUrl.clear();
 938     m_twoClicksRenamingTimer->stop();
 939 }
 940
 941 bool DolphinView::eventFilter(QObject *watched, QEvent *event)
 942 {
 943     switch (event->type()) {
 944     case QEvent::PaletteChange:
 945         updatePalette();
 946         QPixmapCache::clear();
 947         break;
 948
 949     case QEvent::WindowActivate:
 950     case QEvent::WindowDeactivate:
 951         updatePalette();
 952         break;
 953
 954     case QEvent::KeyPress:
 955         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 956         if (GeneralSettings::useTabForSwitchingSplitView()) {
 957             QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
 958             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 959                 Q_EMIT toggleActiveViewRequested();
 960                 return true;
 961             }
 962         }
 963         break;
 964     case QEvent::KeyRelease:
 965         if (static_cast<QKeyEvent *>(event)->key() == Qt::Key_Control) {
 966             m_controlWheelAccumulatedDelta = 0;
 967         }
 968         break;
 969     case QEvent::FocusIn:
 970         if (watched == m_container) {
 971             setActive(true);
 972         }
 973         break;
 974
 975     case QEvent::GraphicsSceneDragEnter:
 976         if (watched == m_view) {
 977             m_dragging = true;
 978             abortTwoClicksRenaming();
 979         }
 980         break;
 981
 982     case QEvent::GraphicsSceneDragLeave:
 983         if (watched == m_view) {
 984             m_dragging = false;
 985         }
 986         break;
 987
 988     case QEvent::GraphicsSceneDrop:
 989         if (watched == m_view) {
 990             m_dragging = false;
 991         }
 992         break;
 993
 994     case QEvent::ToolTip: {
 995         const auto helpEvent = static_cast<QHelpEvent *>(event);
 996         if (tryShowNameToolTip(helpEvent)) {
 997             return true;
 998
 999         } else if (m_hoveredColumnHeaderIndex) {
1000             const auto rolesInfo = KFileItemModel::rolesInformation();
1001             const auto visibleRole = m_visibleRoles.value(*m_hoveredColumnHeaderIndex);
1002
1003             for (const KFileItemModel::RoleInfo &info : rolesInfo) {
1004                 if (visibleRole == info.role) {
1005                     QToolTip::showText(helpEvent->globalPos(), info.tooltip, this);
1006                     return true;
1007                 }
1008             }
1009         }
1010         break;
1011     }
1012     default:
1013         break;
1014     }
1015
1016     return QWidget::eventFilter(watched, event);
1017 }
1018
1019 void DolphinView::wheelEvent(QWheelEvent *event)
1020 {
1021     if (event->modifiers().testFlag(Qt::ControlModifier)) {
1022         m_controlWheelAccumulatedDelta += event->angleDelta().y();
1023
1024         if (m_controlWheelAccumulatedDelta <= -QWheelEvent::DefaultDeltasPerStep) {
1025             slotDecreaseZoom();
1026             m_controlWheelAccumulatedDelta += QWheelEvent::DefaultDeltasPerStep;
1027         } else if (m_controlWheelAccumulatedDelta >= QWheelEvent::DefaultDeltasPerStep) {
1028             slotIncreaseZoom();
1029             m_controlWheelAccumulatedDelta -= QWheelEvent::DefaultDeltasPerStep;
1030         }
1031
1032         event->accept();
1033     } else {
1034         event->ignore();
1035     }
1036 }
1037
1038 void DolphinView::hideEvent(QHideEvent *event)
1039 {
1040     hideToolTip();
1041     QWidget::hideEvent(event);
1042 }
1043
1044 bool DolphinView::event(QEvent *event)
1045 {
1046     if (event->type() == QEvent::WindowDeactivate) {
1047         /* See Bug 297355
1048          * Dolphin leaves file preview tooltips open even when is not visible.
1049          *
1050          * Hide tool-tip when Dolphin loses focus.
1051          */
1052         hideToolTip();
1053         abortTwoClicksRenaming();
1054     }
1055
1056     return QWidget::event(event);
1057 }
1058
1059 void DolphinView::activate()
1060 {
1061     setActive(true);
1062 }
1063
1064 void DolphinView::slotItemActivated(int index)
1065 {
1066     abortTwoClicksRenaming();
1067
1068     const KFileItem item = m_model->fileItem(index);
1069     if (!item.isNull()) {
1070         Q_EMIT itemActivated(item);
1071     }
1072 }
1073
1074 void DolphinView::slotItemsActivated(const KItemSet &indexes)
1075 {
1076     Q_ASSERT(indexes.count() >= 2);
1077
1078     abortTwoClicksRenaming();
1079
1080     const auto modifiers = QGuiApplication::keyboardModifiers();
1081
1082     if (indexes.count() > 5) {
1083         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
1084 #if KWIDGETSADDONS_VERSION >= QT_VERSION_CHECK(5, 100, 0)
1085         const int answer = KMessageBox::warningTwoActions(
1086             this,
1087             question,
1088             {},
1089 #else
1090         const int answer =
1091             KMessageBox::warningYesNo(this,
1092                                       question,
1093                                       {},
1094 #endif
1095             KGuiItem(i18ncp("@action:button", "Open %1 Item", "Open %1 Items", indexes.count()), QStringLiteral("document-open")),
1096             KStandardGuiItem::cancel());
1097 #if KWIDGETSADDONS_VERSION >= QT_VERSION_CHECK(5, 100, 0)
1098         if (answer != KMessageBox::PrimaryAction) {
1099 #else
1100         if (answer != KMessageBox::Yes) {
1101 #endif
1102             return;
1103         }
1104     }
1105
1106     KFileItemList items;
1107     items.reserve(indexes.count());
1108
1109     for (int index : indexes) {
1110         KFileItem item = m_model->fileItem(index);
1111         const QUrl &url = openItemAsFolderUrl(item);
1112
1113         if (!url.isEmpty()) {
1114             // Open folders in new tabs or in new windows depending on the modifier
1115             // The ctrl+shift behavior is ignored because we are handling multiple items
1116             // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1117             if (modifiers & Qt::ShiftModifier && !(modifiers & Qt::ControlModifier)) {
1118                 Q_EMIT windowRequested(url);
1119             } else {
1120                 Q_EMIT tabRequested(url);
1121             }
1122         } else {
1123             items.append(item);
1124         }
1125     }
1126
1127     if (items.count() == 1) {
1128         Q_EMIT itemActivated(items.first());
1129     } else if (items.count() > 1) {
1130         Q_EMIT itemsActivated(items);
1131     }
1132 }
1133
1134 void DolphinView::slotItemMiddleClicked(int index)
1135 {
1136     const KFileItem &item = m_model->fileItem(index);
1137     const QUrl &url = openItemAsFolderUrl(item);
1138     const auto modifiers = QGuiApplication::keyboardModifiers();
1139     if (!url.isEmpty()) {
1140         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1141         if (modifiers & Qt::ShiftModifier) {
1142             Q_EMIT activeTabRequested(url);
1143         } else {
1144             Q_EMIT tabRequested(url);
1145         }
1146     } else if (isTabsForFilesEnabled()) {
1147         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1148         if (modifiers & Qt::ShiftModifier) {
1149             Q_EMIT activeTabRequested(item.url());
1150         } else {
1151             Q_EMIT tabRequested(item.url());
1152         }
1153     }
1154 }
1155
1156 void DolphinView::slotItemContextMenuRequested(int index, const QPointF &pos)
1157 {
1158     // Force emit of a selection changed signal before we request the
1159     // context menu, to update the edit-actions first. (See Bug 294013)
1160     if (m_selectionChangedTimer->isActive()) {
1161         emitSelectionChangedSignal();
1162     }
1163
1164     const KFileItem item = m_model->fileItem(index);
1165     Q_EMIT requestContextMenu(pos.toPoint(), item, selectedItems(), url());
1166 }
1167
1168 void DolphinView::slotViewContextMenuRequested(const QPointF &pos)
1169 {
1170     Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), selectedItems(), url());
1171 }
1172
1173 void DolphinView::slotHeaderContextMenuRequested(const QPointF &pos)
1174 {
1175     ViewProperties props(viewPropertiesUrl());
1176
1177     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
1178
1179     KItemListView *view = m_container->controller()->view();
1180     const QList<QByteArray> visibleRolesSet = view->visibleRoles();
1181
1182     bool indexingEnabled = false;
1183 #if HAVE_BALOO
1184     Baloo::IndexerConfig config;
1185     indexingEnabled = config.fileIndexingEnabled();
1186 #endif
1187
1188     QString groupName;
1189     QMenu *groupMenu = nullptr;
1190
1191     // Add all roles to the menu that can be shown or hidden by the user
1192     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
1193     for (const KFileItemModel::RoleInfo &info : rolesInfo) {
1194         if (info.role == "text") {
1195             // It should not be possible to hide the "text" role
1196             continue;
1197         }
1198
1199         const QString text = m_model->roleDescription(info.role);
1200         QAction *action = nullptr;
1201         if (info.group.isEmpty()) {
1202             action = menu->addAction(text);
1203         } else {
1204             if (!groupMenu || info.group != groupName) {
1205                 groupName = info.group;
1206                 groupMenu = menu->addMenu(groupName);
1207             }
1208
1209             action = groupMenu->addAction(text);
1210         }
1211
1212         action->setCheckable(true);
1213         action->setChecked(visibleRolesSet.contains(info.role));
1214         action->setData(info.role);
1215         action->setToolTip(info.tooltip);
1216
1217         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) || (info.requiresBaloo) || (info.requiresIndexer && indexingEnabled);
1218         action->setEnabled(enable);
1219     }
1220
1221     menu->addSeparator();
1222
1223     QActionGroup *widthsGroup = new QActionGroup(menu);
1224     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1225
1226     QAction *toggleSidePaddingAction = menu->addAction(i18nc("@action:inmenu", "Side Padding"));
1227     toggleSidePaddingAction->setCheckable(true);
1228     toggleSidePaddingAction->setChecked(view->header()->sidePadding() > 0);
1229
1230     QAction *autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1231     autoAdjustWidthsAction->setCheckable(true);
1232     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1233     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1234
1235     QAction *customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1236     customWidthsAction->setCheckable(true);
1237     customWidthsAction->setChecked(!autoColumnWidths);
1238     customWidthsAction->setActionGroup(widthsGroup);
1239
1240     QAction *action = menu->exec(pos.toPoint());
1241     if (menu && action) {
1242         KItemListHeader *header = view->header();
1243
1244         if (action == autoAdjustWidthsAction) {
1245             // Clear the column-widths from the viewproperties and turn on
1246             // the automatic resizing of the columns
1247             props.setHeaderColumnWidths(QList<int>());
1248             header->setAutomaticColumnResizing(true);
1249         } else if (action == customWidthsAction) {
1250             // Apply the current column-widths as custom column-widths and turn
1251             // off the automatic resizing of the columns
1252             QList<int> columnWidths;
1253             const auto visibleRoles = view->visibleRoles();
1254             columnWidths.reserve(visibleRoles.count());
1255             for (const QByteArray &role : visibleRoles) {
1256                 columnWidths.append(header->columnWidth(role));
1257             }
1258             props.setHeaderColumnWidths(columnWidths);
1259             header->setAutomaticColumnResizing(false);
1260         } else if (action == toggleSidePaddingAction) {
1261             header->setSidePadding(toggleSidePaddingAction->isChecked() ? 20 : 0);
1262         } else {
1263             // Show or hide the selected role
1264             const QByteArray selectedRole = action->data().toByteArray();
1265
1266             QList<QByteArray> visibleRoles = view->visibleRoles();
1267             if (action->isChecked()) {
1268                 visibleRoles.append(selectedRole);
1269             } else {
1270                 visibleRoles.removeOne(selectedRole);
1271             }
1272
1273             view->setVisibleRoles(visibleRoles);
1274             props.setVisibleRoles(visibleRoles);
1275
1276             QList<int> columnWidths;
1277             if (!header->automaticColumnResizing()) {
1278                 const auto visibleRoles = view->visibleRoles();
1279                 columnWidths.reserve(visibleRoles.count());
1280                 for (const QByteArray &role : visibleRoles) {
1281                     columnWidths.append(header->columnWidth(role));
1282                 }
1283             }
1284             props.setHeaderColumnWidths(columnWidths);
1285         }
1286     }
1287
1288     delete menu;
1289 }
1290
1291 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray &role, qreal current)
1292 {
1293     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1294
1295     ViewProperties props(viewPropertiesUrl());
1296     QList<int> columnWidths = props.headerColumnWidths();
1297     if (columnWidths.count() != visibleRoles.count()) {
1298         columnWidths.clear();
1299         columnWidths.reserve(visibleRoles.count());
1300         const KItemListHeader *header = m_view->header();
1301         for (const QByteArray &role : visibleRoles) {
1302             const int width = header->columnWidth(role);
1303             columnWidths.append(width);
1304         }
1305     }
1306
1307     const int roleIndex = visibleRoles.indexOf(role);
1308     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1309     columnWidths[roleIndex] = current;
1310
1311     props.setHeaderColumnWidths(columnWidths);
1312 }
1313
1314 void DolphinView::slotSidePaddingWidthChanged(qreal width)
1315 {
1316     ViewProperties props(viewPropertiesUrl());
1317     DetailsModeSettings::setSidePadding(int(width));
1318     m_view->writeSettings();
1319 }
1320
1321 void DolphinView::slotItemHovered(int index)
1322 {
1323     const KFileItem item = m_model->fileItem(index);
1324
1325     if (GeneralSettings::showToolTips() && !m_dragging) {
1326         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1327         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1328         itemRect.moveTo(pos);
1329
1330 #if HAVE_BALOO
1331         auto nativeParent = nativeParentWidget();
1332         if (nativeParent) {
1333             m_toolTipManager->showToolTip(item, itemRect, nativeParent->windowHandle());
1334         }
1335 #endif
1336     }
1337
1338     Q_EMIT requestItemInfo(item);
1339 }
1340
1341 void DolphinView::slotItemUnhovered(int index)
1342 {
1343     Q_UNUSED(index)
1344     hideToolTip();
1345     Q_EMIT requestItemInfo(KFileItem());
1346 }
1347
1348 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent *event)
1349 {
1350     QUrl destUrl;
1351     KFileItem destItem = m_model->fileItem(index);
1352     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1353         // Use the URL of the view as drop target if the item is no directory
1354         // or desktop-file
1355         destItem = m_model->rootItem();
1356         destUrl = url();
1357     } else {
1358         // The item represents a directory or desktop-file
1359         destUrl = destItem.mostLocalUrl();
1360     }
1361
1362     QDropEvent dropEvent(event->pos().toPoint(), event->possibleActions(), event->mimeData(), event->buttons(), event->modifiers());
1363     dropUrls(destUrl, &dropEvent, this);
1364
1365     setActive(true);
1366 }
1367
1368 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1369 {
1370     KIO::DropJob *job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1371
1372     if (job) {
1373         connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
1374
1375         if (destUrl == url()) {
1376             // Mark the dropped urls as selected.
1377             m_clearSelectionBeforeSelectingNewItems = true;
1378             m_markFirstNewlySelectedItemAsCurrent = true;
1379             m_selectJobCreatedItems = true;
1380             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1381             connect(job, &KIO::DropJob::copyJobStarted, this, [this](const KIO::CopyJob *copyJob) {
1382                 connect(copyJob, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
1383                 connect(copyJob, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
1384                 connect(copyJob, &KIO::CopyJob::linking, this, [this](KIO::Job *job, const QString &src, const QUrl &dest) {
1385                     Q_UNUSED(job)
1386                     Q_UNUSED(src)
1387                     slotItemCreated(dest);
1388                 });
1389             });
1390         }
1391     }
1392 }
1393
1394 void DolphinView::slotModelChanged(KItemModelBase *current, KItemModelBase *previous)
1395 {
1396     if (previous != nullptr) {
1397         Q_ASSERT(qobject_cast<KFileItemModel *>(previous));
1398         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(previous);
1399         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1400         m_versionControlObserver->setModel(nullptr);
1401     }
1402
1403     if (current) {
1404         Q_ASSERT(qobject_cast<KFileItemModel *>(current));
1405         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(current);
1406         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1407         m_versionControlObserver->setModel(fileItemModel);
1408     }
1409 }
1410
1411 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1412 {
1413     Q_UNUSED(itemIndex)
1414
1415     hideToolTip();
1416
1417     if (buttons & Qt::BackButton) {
1418         Q_EMIT goBackRequested();
1419     } else if (buttons & Qt::ForwardButton) {
1420         Q_EMIT goForwardRequested();
1421     }
1422 }
1423
1424 void DolphinView::slotSelectedItemTextPressed(int index)
1425 {
1426     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1427         const KFileItem item = m_model->fileItem(index);
1428         const KFileItemListProperties capabilities(KFileItemList() << item);
1429         if (capabilities.supportsMoving()) {
1430             m_twoClicksRenamingItemUrl = item.url();
1431             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1432         }
1433     }
1434 }
1435
1436 void DolphinView::slotItemCreatedFromJob(KIO::Job *, const QUrl &, const QUrl &to)
1437 {
1438     slotItemCreated(to);
1439 }
1440
1441 void DolphinView::slotItemCreated(const QUrl &url)
1442 {
1443     if (m_markFirstNewlySelectedItemAsCurrent) {
1444         markUrlAsCurrent(url);
1445         m_markFirstNewlySelectedItemAsCurrent = false;
1446     }
1447     if (m_selectJobCreatedItems && !m_selectedUrls.contains(url)) {
1448         m_selectedUrls << url;
1449     }
1450 }
1451
1452 void DolphinView::slotJobResult(KJob *job)
1453 {
1454     if (job->error() && job->error() != KIO::ERR_USER_CANCELED) {
1455         Q_EMIT errorMessage(job->errorString());
1456     }
1457     if (!m_selectJobCreatedItems) {
1458         m_selectedUrls.clear();
1459         return;
1460     }
1461     if (!m_selectedUrls.isEmpty()) {
1462         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1463
1464         updateSelectionState();
1465         if (!m_selectedUrls.isEmpty()) {
1466             // not all urls were found, the model may not be up to date
1467             // TODO KF6 replace with Qt::singleShotConnection
1468             QMetaObject::Connection *const connection = new QMetaObject::Connection;
1469             *connection = connect(
1470                 m_model,
1471                 &KFileItemModel::directoryLoadingCompleted,
1472                 this,
1473                 [this, connection]() {
1474                     // the model should now contain all the items created by the job
1475                     updateSelectionState();
1476                     m_selectJobCreatedItems = false;
1477                     m_selectedUrls.clear();
1478                     QObject::disconnect(*connection);
1479                     delete connection;
1480                 },
1481                 Qt::UniqueConnection);
1482         } else {
1483             m_selectJobCreatedItems = false;
1484             m_selectedUrls.clear();
1485         }
1486     }
1487 }
1488
1489 void DolphinView::slotSelectionChanged(const KItemSet &current, const KItemSet &previous)
1490 {
1491     m_selectNextItem = false;
1492     const int currentCount = current.count();
1493     const int previousCount = previous.count();
1494     const bool selectionStateChanged = (currentCount == 0 && previousCount > 0) || (currentCount > 0 && previousCount == 0);
1495
1496     // If nothing has been selected before and something got selected (or if something
1497     // was selected before and now nothing is selected) the selectionChangedSignal must
1498     // be emitted asynchronously as fast as possible to update the edit-actions.
1499     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1500     m_selectionChangedTimer->start();
1501 }
1502
1503 void DolphinView::emitSelectionChangedSignal()
1504 {
1505     m_selectionChangedTimer->stop();
1506     Q_EMIT selectionChanged(selectedItems());
1507 }
1508
1509 void DolphinView::slotStatJobResult(KJob *job)
1510 {
1511     int folderCount = 0;
1512     int fileCount = 0;
1513     KIO::filesize_t totalFileSize = 0;
1514     bool countFileSize = true;
1515
1516     const auto entry = static_cast<KIO::StatJob *>(job)->statResult();
1517     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1518         // We have a precomputed value.
1519         totalFileSize = static_cast<KIO::filesize_t>(entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1520         countFileSize = false;
1521     }
1522
1523     const int itemCount = m_model->count();
1524     for (int i = 0; i < itemCount; ++i) {
1525         const KFileItem item = m_model->fileItem(i);
1526         if (item.isDir()) {
1527             ++folderCount;
1528         } else {
1529             ++fileCount;
1530             if (countFileSize) {
1531                 totalFileSize += item.size();
1532             }
1533         }
1534     }
1535     emitStatusBarText(folderCount, fileCount, totalFileSize, NoSelection);
1536 }
1537
1538 void DolphinView::updateSortRole(const QByteArray &role)
1539 {
1540     ViewProperties props(viewPropertiesUrl());
1541     props.setSortRole(role);
1542
1543     KItemModelBase *model = m_container->controller()->model();
1544     model->setSortRole(role);
1545
1546     Q_EMIT sortRoleChanged(role);
1547 }
1548
1549 void DolphinView::updateSortOrder(Qt::SortOrder order)
1550 {
1551     ViewProperties props(viewPropertiesUrl());
1552     props.setSortOrder(order);
1553
1554     m_model->setSortOrder(order);
1555
1556     Q_EMIT sortOrderChanged(order);
1557 }
1558
1559 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1560 {
1561     ViewProperties props(viewPropertiesUrl());
1562     props.setSortFoldersFirst(foldersFirst);
1563
1564     m_model->setSortDirectoriesFirst(foldersFirst);
1565
1566     Q_EMIT sortFoldersFirstChanged(foldersFirst);
1567 }
1568
1569 void DolphinView::updateSortHiddenLast(bool hiddenLast)
1570 {
1571     ViewProperties props(viewPropertiesUrl());
1572     props.setSortHiddenLast(hiddenLast);
1573
1574     m_model->setSortHiddenLast(hiddenLast);
1575
1576     Q_EMIT sortHiddenLastChanged(hiddenLast);
1577 }
1578
1579 QPair<bool, QString> DolphinView::pasteInfo() const
1580 {
1581     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1582     QPair<bool, QString> info;
1583     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1584     return info;
1585 }
1586
1587 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1588 {
1589     m_tabsForFiles = tabsForFiles;
1590 }
1591
1592 bool DolphinView::isTabsForFilesEnabled() const
1593 {
1594     return m_tabsForFiles;
1595 }
1596
1597 bool DolphinView::itemsExpandable() const
1598 {
1599     return m_mode == DetailsView;
1600 }
1601
1602 bool DolphinView::isExpanded(const KFileItem &item) const
1603 {
1604     Q_ASSERT(item.isDir());
1605     Q_ASSERT(items().contains(item));
1606     if (!itemsExpandable()) {
1607         return false;
1608     }
1609     return m_model->isExpanded(m_model->index(item));
1610 }
1611
1612 void DolphinView::restoreState(QDataStream &stream)
1613 {
1614     // Read the version number of the view state and check if the version is supported.
1615     quint32 version = 0;
1616     stream >> version;
1617     if (version != 1) {
1618         // The version of the view state isn't supported, we can't restore it.
1619         return;
1620     }
1621
1622     // Restore the current item that had the keyboard focus
1623     stream >> m_currentItemUrl;
1624
1625     // Restore the previously selected items
1626     stream >> m_selectedUrls;
1627
1628     // Restore the view position
1629     stream >> m_restoredContentsPosition;
1630
1631     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1632     QSet<QUrl> urls;
1633     stream >> urls;
1634     m_model->restoreExpandedDirectories(urls);
1635 }
1636
1637 void DolphinView::saveState(QDataStream &stream)
1638 {
1639     stream << quint32(1); // View state version
1640
1641     // Save the current item that has the keyboard focus
1642     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1643     if (currentIndex != -1) {
1644         KFileItem item = m_model->fileItem(currentIndex);
1645         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1646         QUrl currentItemUrl = item.url();
1647         stream << currentItemUrl;
1648     } else {
1649         stream << QUrl();
1650     }
1651
1652     // Save the selected urls
1653     stream << selectedItems().urlList();
1654
1655     // Save view position
1656     const qreal x = m_container->horizontalScrollBar()->value();
1657     const qreal y = m_container->verticalScrollBar()->value();
1658     stream << QPoint(x, y);
1659
1660     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1661     stream << m_model->expandedDirectories();
1662 }
1663
1664 KFileItem DolphinView::rootItem() const
1665 {
1666     return m_model->rootItem();
1667 }
1668
1669 void DolphinView::setViewPropertiesContext(const QString &context)
1670 {
1671     m_viewPropertiesContext = context;
1672 }
1673
1674 QString DolphinView::viewPropertiesContext() const
1675 {
1676     return m_viewPropertiesContext;
1677 }
1678
1679 QUrl DolphinView::openItemAsFolderUrl(const KFileItem &item, const bool browseThroughArchives)
1680 {
1681     if (item.isNull()) {
1682         return QUrl();
1683     }
1684
1685     QUrl url = item.targetUrl();
1686
1687     if (item.isDir()) {
1688         return url;
1689     }
1690
1691     if (item.isMimeTypeKnown()) {
1692         const QString &mimetype = item.mimetype();
1693
1694         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1695             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1696             // zip:/<path>/ when clicking on a zip file, etc.
1697             // The .protocol file specifies the mimetype that the kioslave handles.
1698             // Note that we don't use mimetype inheritance since we don't want to
1699             // open OpenDocument files as zip folders...
1700             const QString &protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1701             if (!protocol.isEmpty()) {
1702                 url.setScheme(protocol);
1703                 return url;
1704             }
1705         }
1706
1707         if (mimetype == QLatin1String("application/x-desktop")) {
1708             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1709             KDesktopFile desktopFile(url.toLocalFile());
1710             if (desktopFile.hasLinkType()) {
1711                 const QString linkUrl = desktopFile.readUrl();
1712                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1713                     return QUrl::fromUserInput(linkUrl);
1714                 }
1715             }
1716         }
1717     }
1718
1719     return QUrl();
1720 }
1721
1722 void DolphinView::resetZoomLevel()
1723 {
1724     ViewModeSettings settings{m_mode};
1725     settings.useDefaults(true);
1726     const int defaultIconSize = settings.iconSize();
1727     settings.useDefaults(false);
1728
1729     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(QSize(defaultIconSize, defaultIconSize)));
1730 }
1731
1732 void DolphinView::observeCreatedItem(const QUrl &url)
1733 {
1734     if (m_active) {
1735         forceUrlsSelection(url, {url});
1736     }
1737 }
1738
1739 void DolphinView::slotDirectoryRedirection(const QUrl &oldUrl, const QUrl &newUrl)
1740 {
1741     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1742         Q_EMIT redirection(oldUrl, newUrl);
1743         m_url = newUrl; // #186947
1744     }
1745 }
1746
1747 void DolphinView::updateSelectionState()
1748 {
1749     if (!m_selectedUrls.isEmpty()) {
1750         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1751
1752         // if there is a selection already, leave it that way
1753         // unless some drop/paste job are in the process of creating items
1754         if (!selectionManager->hasSelection() || m_selectJobCreatedItems) {
1755             if (m_clearSelectionBeforeSelectingNewItems) {
1756                 selectionManager->clearSelection();
1757                 m_clearSelectionBeforeSelectingNewItems = false;
1758             }
1759
1760             KItemSet selectedItems = selectionManager->selectedItems();
1761
1762             QList<QUrl>::iterator it = m_selectedUrls.begin();
1763             while (it != m_selectedUrls.end()) {
1764                 const int index = m_model->index(*it);
1765                 if (index >= 0) {
1766                     selectedItems.insert(index);
1767                     it = m_selectedUrls.erase(it);
1768                 } else {
1769                     ++it;
1770                 }
1771             }
1772
1773             if (!selectedItems.isEmpty()) {
1774                 selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1775                 selectionManager->setSelectedItems(selectedItems);
1776             }
1777         }
1778     }
1779 }
1780
1781 void DolphinView::updateViewState()
1782 {
1783     if (m_currentItemUrl != QUrl()) {
1784         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1785
1786         // if there is a selection already, leave it that way
1787         if (!selectionManager->hasSelection()) {
1788             const int currentIndex = m_model->index(m_currentItemUrl);
1789             if (currentIndex != -1) {
1790                 selectionManager->setCurrentItem(currentIndex);
1791
1792                 // scroll to current item and reset the state
1793                 if (m_scrollToCurrentItem) {
1794                     m_view->scrollToItem(currentIndex);
1795                     m_scrollToCurrentItem = false;
1796                 }
1797                 m_currentItemUrl = QUrl();
1798             } else {
1799                 selectionManager->setCurrentItem(0);
1800             }
1801         } else {
1802             m_currentItemUrl = QUrl();
1803         }
1804     }
1805
1806     if (!m_restoredContentsPosition.isNull()) {
1807         const int x = m_restoredContentsPosition.x();
1808         const int y = m_restoredContentsPosition.y();
1809         m_restoredContentsPosition = QPoint();
1810
1811         m_container->horizontalScrollBar()->setValue(x);
1812         m_container->verticalScrollBar()->setValue(y);
1813     }
1814
1815     updateSelectionState();
1816 }
1817
1818 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1819 {
1820     if (GeneralSettings::showToolTips()) {
1821 #if HAVE_BALOO
1822         m_toolTipManager->hideToolTip(behavior);
1823 #else
1824         Q_UNUSED(behavior)
1825 #endif
1826     } else if (m_mode == DolphinView::IconsView) {
1827         QToolTip::hideText();
1828     }
1829 }
1830
1831 bool DolphinView::handleSpaceAsNormalKey() const
1832 {
1833     return !m_container->hasFocus() || m_container->controller()->isSearchAsYouTypeActive();
1834 }
1835
1836 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1837 {
1838     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1839
1840     // verify that only one item is selected
1841     if (selectionManager->selectedItems().count() == 1) {
1842         const int index = selectionManager->currentItem();
1843         const QUrl fileItemUrl = m_model->fileItem(index).url();
1844
1845         // check if the selected item was the same item that started the twoClicksRenaming
1846         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1847             renameSelectedItems();
1848         }
1849     }
1850 }
1851
1852 void DolphinView::slotTrashFileFinished(KJob *job)
1853 {
1854     if (job->error() == 0) {
1855         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1856         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1857     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1858         Q_EMIT errorMessage(job->errorString());
1859     }
1860 }
1861
1862 void DolphinView::slotDeleteFileFinished(KJob *job)
1863 {
1864     if (job->error() == 0) {
1865         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1866         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1867     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1868         Q_EMIT errorMessage(job->errorString());
1869     }
1870 }
1871
1872 void DolphinView::selectNextItem()
1873 {
1874     if (m_active && m_selectNextItem) {
1875         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1876         if (selectedItems().isEmpty()) {
1877             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1878             return;
1879         }
1880         const auto lastSelectedIndex = m_model->index(selectedItems().last());
1881         if (lastSelectedIndex < 0) {
1882             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1883             return;
1884         }
1885         auto nextItem = lastSelectedIndex + 1;
1886         if (nextItem >= itemsCount()) {
1887             nextItem = lastSelectedIndex - selectedItemsCount();
1888         }
1889         if (nextItem >= 0) {
1890             selectionManager->setSelected(nextItem, 1);
1891         }
1892         m_selectNextItem = false;
1893     }
1894 }
1895
1896 void DolphinView::slotRenamingResult(KJob *job)
1897 {
1898     if (job->error()) {
1899         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1900         Q_ASSERT(copyJob);
1901         const QUrl newUrl = copyJob->destUrl();
1902         const int index = m_model->index(newUrl);
1903         if (index >= 0) {
1904             QHash<QByteArray, QVariant> data;
1905             const QUrl oldUrl = copyJob->srcUrls().at(0);
1906             data.insert("text", oldUrl.fileName());
1907             m_model->setData(index, data);
1908         }
1909     }
1910 }
1911
1912 void DolphinView::slotDirectoryLoadingStarted()
1913 {
1914     m_loadingState = LoadingState::Loading;
1915     updatePlaceholderLabel();
1916
1917     // Disable the writestate temporary until it can be determined in a fast way
1918     // in DolphinView::slotDirectoryLoadingCompleted()
1919     if (m_isFolderWritable) {
1920         m_isFolderWritable = false;
1921         Q_EMIT writeStateChanged(m_isFolderWritable);
1922     }
1923
1924     Q_EMIT directoryLoadingStarted();
1925 }
1926
1927 void DolphinView::slotDirectoryLoadingCompleted()
1928 {
1929     m_loadingState = LoadingState::Completed;
1930
1931     // Update the view-state. This has to be done asynchronously
1932     // because the view might not be in its final state yet.
1933     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1934
1935     // Update the placeholder label in case we found that the folder was empty
1936     // after loading it
1937
1938     Q_EMIT directoryLoadingCompleted();
1939
1940     updatePlaceholderLabel();
1941     updateWritableState();
1942 }
1943
1944 void DolphinView::slotDirectoryLoadingCanceled()
1945 {
1946     m_loadingState = LoadingState::Canceled;
1947
1948     updatePlaceholderLabel();
1949
1950     Q_EMIT directoryLoadingCanceled();
1951 }
1952
1953 void DolphinView::slotItemsChanged()
1954 {
1955     m_assureVisibleCurrentIndex = false;
1956 }
1957
1958 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1959 {
1960     Q_UNUSED(previous)
1961     Q_ASSERT(m_model->sortOrder() == current);
1962
1963     ViewProperties props(viewPropertiesUrl());
1964     props.setSortOrder(current);
1965
1966     Q_EMIT sortOrderChanged(current);
1967 }
1968
1969 void DolphinView::slotSortRoleChangedByHeader(const QByteArray &current, const QByteArray &previous)
1970 {
1971     Q_UNUSED(previous)
1972     Q_ASSERT(m_model->sortRole() == current);
1973
1974     ViewProperties props(viewPropertiesUrl());
1975     props.setSortRole(current);
1976
1977     Q_EMIT sortRoleChanged(current);
1978 }
1979
1980 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray> &current, const QList<QByteArray> &previous)
1981 {
1982     Q_UNUSED(previous)
1983     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1984
1985     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1986
1987     m_visibleRoles = current;
1988
1989     ViewProperties props(viewPropertiesUrl());
1990     props.setVisibleRoles(m_visibleRoles);
1991
1992     Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1993 }
1994
1995 void DolphinView::slotRoleEditingCanceled()
1996 {
1997     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1998 }
1999
2000 void DolphinView::slotRoleEditingFinished(int index, const QByteArray &role, const QVariant &value)
2001 {
2002     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
2003
2004     const KFileItemList items = selectedItems();
2005     if (items.count() != 1) {
2006         return;
2007     }
2008
2009     if (role == "text") {
2010         const KFileItem oldItem = items.first();
2011         const EditResult retVal = value.value<EditResult>();
2012         const QString newName = retVal.newName;
2013         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
2014             const QUrl oldUrl = oldItem.url();
2015
2016             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
2017             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
2018
2019 #ifndef Q_OS_WIN
2020             // Confirm hiding file/directory by renaming inline
2021             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
2022                 KGuiItem yesGuiItem(i18nc("@action:button", "Rename and Hide"), QStringLiteral("view-hidden"));
2023
2024 #if KWIDGETSADDONS_VERSION >= QT_VERSION_CHECK(5, 100, 0)
2025                 const auto code =
2026                     KMessageBox::questionTwoActions(this,
2027 #else
2028                 const auto code =
2029                     KMessageBox::questionYesNo(this,
2030 #endif
2031                                                     oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
2032                                                                             "Do you still want to rename it?")
2033                                                                      : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
2034                                                                             "Do you still want to rename it?"),
2035                                                     oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
2036                                                     yesGuiItem,
2037                                                     KStandardGuiItem::cancel(),
2038                                                     QStringLiteral("ConfirmHide"));
2039
2040 #if KWIDGETSADDONS_VERSION >= QT_VERSION_CHECK(5, 100, 0)
2041                 if (code == KMessageBox::SecondaryAction) {
2042 #else
2043                 if (code == KMessageBox::No) {
2044 #endif
2045                     return;
2046                 }
2047             }
2048 #endif
2049
2050             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
2051             if (!newNameExistsAlready && m_model->index(oldUrl) == index) {
2052                 // Only change the data in the model if no item with the new name
2053                 // is in the model yet. If there is an item with the new name
2054                 // already, calling KIO::CopyJob will open a dialog
2055                 // asking for a new name, and KFileItemModel will update the
2056                 // data when the dir lister signals that the file name has changed.
2057                 QHash<QByteArray, QVariant> data;
2058                 data.insert(role, retVal.newName);
2059                 m_model->setData(index, data);
2060             }
2061
2062             KIO::Job *job = KIO::moveAs(oldUrl, newUrl);
2063             KJobWidgets::setWindow(job, this);
2064             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
2065             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
2066
2067             forceUrlsSelection(newUrl, {newUrl});
2068
2069             if (!newNameExistsAlready) {
2070                 // Only connect the result signal if there is no item with the new name
2071                 // in the model yet, see bug 328262.
2072                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
2073             }
2074         }
2075         if (retVal.direction != EditDone) {
2076             const short indexShift = retVal.direction == EditNext ? 1 : -1;
2077             m_container->controller()->selectionManager()->setSelected(index, 1, KItemListSelectionManager::Deselect);
2078             m_container->controller()->selectionManager()->setSelected(index + indexShift, 1, KItemListSelectionManager::Select);
2079             renameSelectedItems();
2080         }
2081     }
2082 }
2083
2084 void DolphinView::loadDirectory(const QUrl &url, bool reload)
2085 {
2086     if (!url.isValid()) {
2087         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
2088         if (location.isEmpty()) {
2089             Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."));
2090         } else {
2091             Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
2092         }
2093         return;
2094     }
2095
2096     if (reload) {
2097         m_model->refreshDirectory(url);
2098     } else {
2099         m_model->loadDirectory(url);
2100     }
2101 }
2102
2103 void DolphinView::applyViewProperties()
2104 {
2105     const ViewProperties props(viewPropertiesUrl());
2106     applyViewProperties(props);
2107 }
2108
2109 void DolphinView::applyViewProperties(const ViewProperties &props)
2110 {
2111     m_view->beginTransaction();
2112
2113     const Mode mode = props.viewMode();
2114     if (m_mode != mode) {
2115         const Mode previousMode = m_mode;
2116         m_mode = mode;
2117
2118         // Changing the mode might result in changing
2119         // the zoom level. Remember the old zoom level so
2120         // that zoomLevelChanged() can get emitted.
2121         const int oldZoomLevel = m_view->zoomLevel();
2122         applyModeToView();
2123
2124         Q_EMIT modeChanged(m_mode, previousMode);
2125
2126         if (m_view->zoomLevel() != oldZoomLevel) {
2127             Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
2128         }
2129     }
2130
2131     const bool hiddenFilesShown = props.hiddenFilesShown();
2132     if (hiddenFilesShown != m_model->showHiddenFiles()) {
2133         m_model->setShowHiddenFiles(hiddenFilesShown);
2134         Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
2135     }
2136
2137     const bool groupedSorting = props.groupedSorting();
2138     if (groupedSorting != m_model->groupedSorting()) {
2139         m_model->setGroupedSorting(groupedSorting);
2140         Q_EMIT groupedSortingChanged(groupedSorting);
2141     }
2142
2143     const QByteArray sortRole = props.sortRole();
2144     if (sortRole != m_model->sortRole()) {
2145         m_model->setSortRole(sortRole);
2146         Q_EMIT sortRoleChanged(sortRole);
2147     }
2148
2149     const Qt::SortOrder sortOrder = props.sortOrder();
2150     if (sortOrder != m_model->sortOrder()) {
2151         m_model->setSortOrder(sortOrder);
2152         Q_EMIT sortOrderChanged(sortOrder);
2153     }
2154
2155     const bool sortFoldersFirst = props.sortFoldersFirst();
2156     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
2157         m_model->setSortDirectoriesFirst(sortFoldersFirst);
2158         Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
2159     }
2160
2161     const bool sortHiddenLast = props.sortHiddenLast();
2162     if (sortHiddenLast != m_model->sortHiddenLast()) {
2163         m_model->setSortHiddenLast(sortHiddenLast);
2164         Q_EMIT sortHiddenLastChanged(sortHiddenLast);
2165     }
2166
2167     const QList<QByteArray> visibleRoles = props.visibleRoles();
2168     if (visibleRoles != m_visibleRoles) {
2169         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
2170         m_visibleRoles = visibleRoles;
2171         m_view->setVisibleRoles(visibleRoles);
2172         Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
2173     }
2174
2175     const bool previewsShown = props.previewsShown();
2176     if (previewsShown != m_view->previewsShown()) {
2177         const int oldZoomLevel = zoomLevel();
2178
2179         m_view->setPreviewsShown(previewsShown);
2180         Q_EMIT previewsShownChanged(previewsShown);
2181
2182         // Changing the preview-state might result in a changed zoom-level
2183         if (oldZoomLevel != zoomLevel()) {
2184             Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
2185         }
2186     }
2187
2188     KItemListView *itemListView = m_container->controller()->view();
2189     if (itemListView->isHeaderVisible()) {
2190         KItemListHeader *header = itemListView->header();
2191         const QList<int> headerColumnWidths = props.headerColumnWidths();
2192         const int rolesCount = m_visibleRoles.count();
2193         if (headerColumnWidths.count() == rolesCount) {
2194             header->setAutomaticColumnResizing(false);
2195
2196             QHash<QByteArray, qreal> columnWidths;
2197             for (int i = 0; i < rolesCount; ++i) {
2198                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
2199             }
2200             header->setColumnWidths(columnWidths);
2201         } else {
2202             header->setAutomaticColumnResizing(true);
2203         }
2204         header->setSidePadding(DetailsModeSettings::sidePadding());
2205     }
2206
2207     m_view->endTransaction();
2208 }
2209
2210 void DolphinView::applyModeToView()
2211 {
2212     switch (m_mode) {
2213     case IconsView:
2214         m_view->setItemLayout(KFileItemListView::IconsLayout);
2215         break;
2216     case CompactView:
2217         m_view->setItemLayout(KFileItemListView::CompactLayout);
2218         break;
2219     case DetailsView:
2220         m_view->setItemLayout(KFileItemListView::DetailsLayout);
2221         break;
2222     default:
2223         Q_ASSERT(false);
2224         break;
2225     }
2226 }
2227
2228 void DolphinView::pasteToUrl(const QUrl &url)
2229 {
2230     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
2231     KJobWidgets::setWindow(job, this);
2232     m_clearSelectionBeforeSelectingNewItems = true;
2233     m_markFirstNewlySelectedItemAsCurrent = true;
2234     m_selectJobCreatedItems = true;
2235     // TODO KF6 use KIO::PasteJob::copyJobStarted to hook to earlier events copying/moving
2236     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
2237     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotJobResult);
2238 }
2239
2240 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
2241 {
2242     QList<QUrl> urls;
2243
2244     const KFileItemList items = selectedItems();
2245     urls.reserve(items.count());
2246     for (const KFileItem &item : items) {
2247         urls.append(item.url());
2248     }
2249
2250     if (itemsExpandable()) {
2251         // TODO: Check if we still need KDirModel for this in KDE 5.0
2252         urls = KDirModel::simplifiedUrlList(urls);
2253     }
2254
2255     return urls;
2256 }
2257
2258 QMimeData *DolphinView::selectionMimeData() const
2259 {
2260     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
2261     const KItemSet selectedIndexes = selectionManager->selectedItems();
2262
2263     return m_model->createMimeData(selectedIndexes);
2264 }
2265
2266 void DolphinView::updateWritableState()
2267 {
2268     const bool wasFolderWritable = m_isFolderWritable;
2269     m_isFolderWritable = false;
2270
2271     KFileItem item = m_model->rootItem();
2272     if (item.isNull()) {
2273         // Try to find out if the URL is writable even if the "root item" is
2274         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
2275         item = KFileItem(url());
2276         item.setDelayedMimeTypes(true);
2277     }
2278
2279     KFileItemListProperties capabilities(KFileItemList() << item);
2280     m_isFolderWritable = capabilities.supportsWriting();
2281
2282     if (m_isFolderWritable != wasFolderWritable) {
2283         Q_EMIT writeStateChanged(m_isFolderWritable);
2284     }
2285 }
2286
2287 QUrl DolphinView::viewPropertiesUrl() const
2288 {
2289     if (m_viewPropertiesContext.isEmpty()) {
2290         return m_url;
2291     }
2292
2293     QUrl url;
2294     url.setScheme(m_url.scheme());
2295     url.setPath(m_viewPropertiesContext);
2296     return url;
2297 }
2298
2299 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl> &urls)
2300 {
2301     forceUrlsSelection(urls.first(), urls);
2302 }
2303
2304 void DolphinView::forceUrlsSelection(const QUrl &current, const QList<QUrl> &selected)
2305 {
2306     clearSelection();
2307     m_clearSelectionBeforeSelectingNewItems = true;
2308     markUrlAsCurrent(current);
2309     markUrlsAsSelected(selected);
2310 }
2311
2312 void DolphinView::copyPathToClipboard()
2313 {
2314     const KFileItemList list = selectedItems();
2315     if (list.isEmpty()) {
2316         return;
2317     }
2318     const KFileItem &item = list.at(0);
2319     QString path = item.localPath();
2320     if (path.isEmpty()) {
2321         path = item.url().toDisplayString();
2322     }
2323     QClipboard *clipboard = QApplication::clipboard();
2324     if (clipboard == nullptr) {
2325         return;
2326     }
2327     clipboard->setText(path);
2328 }
2329
2330 void DolphinView::slotIncreaseZoom()
2331 {
2332     setZoomLevel(zoomLevel() + 1);
2333 }
2334
2335 void DolphinView::slotDecreaseZoom()
2336 {
2337     setZoomLevel(zoomLevel() - 1);
2338 }
2339
2340 void DolphinView::slotSwipeUp()
2341 {
2342     Q_EMIT goUpRequested();
2343 }
2344
2345 void DolphinView::showLoadingPlaceholder()
2346 {
2347     m_placeholderLabel->setText(i18n("Loading..."));
2348     m_placeholderLabel->setVisible(true);
2349 }
2350
2351 void DolphinView::updatePlaceholderLabel()
2352 {
2353     m_showLoadingPlaceholderTimer->stop();
2354     if (itemsCount() > 0) {
2355         m_placeholderLabel->setVisible(false);
2356         return;
2357     }
2358
2359     if (m_loadingState == LoadingState::Loading) {
2360         m_placeholderLabel->setVisible(false);
2361         m_showLoadingPlaceholderTimer->start();
2362         return;
2363     }
2364
2365     if (m_loadingState == LoadingState::Canceled) {
2366         m_placeholderLabel->setText(i18n("Loading canceled"));
2367     } else if (!nameFilter().isEmpty()) {
2368         m_placeholderLabel->setText(i18n("No items matching the filter"));
2369     } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
2370         m_placeholderLabel->setText(i18n("No items matching the search"));
2371     } else if (m_url.scheme() == QLatin1String("trash") && m_url.path() == QLatin1String("/")) {
2372         m_placeholderLabel->setText(i18n("Trash is empty"));
2373     } else if (m_url.scheme() == QLatin1String("tags")) {
2374         if (m_url.path() == QLatin1Char('/')) {
2375             m_placeholderLabel->setText(i18n("No tags"));
2376         } else {
2377             const QString tagName = m_url.path().mid(1); // Remove leading /
2378             m_placeholderLabel->setText(i18n("No files tagged with \"%1\"", tagName));
2379         }
2380
2381     } else if (m_url.scheme() == QLatin1String("recentlyused")) {
2382         m_placeholderLabel->setText(i18n("No recently used items"));
2383     } else if (m_url.scheme() == QLatin1String("smb")) {
2384         m_placeholderLabel->setText(i18n("No shared folders found"));
2385     } else if (m_url.scheme() == QLatin1String("network")) {
2386         m_placeholderLabel->setText(i18n("No relevant network resources found"));
2387     } else if (m_url.scheme() == QLatin1String("mtp") && m_url.path() == QLatin1String("/")) {
2388         m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
2389     } else if (m_url.scheme() == QLatin1String("afc") && m_url.path() == QLatin1String("/")) {
2390         m_placeholderLabel->setText(i18n("No Apple devices found"));
2391     } else if (m_url.scheme() == QLatin1String("bluetooth")) {
2392         m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
2393     } else {
2394         m_placeholderLabel->setText(i18n("Folder is empty"));
2395     }
2396
2397     m_placeholderLabel->setVisible(true);
2398 }
2399
2400 bool DolphinView::tryShowNameToolTip(QHelpEvent *event)
2401 {
2402     if (!GeneralSettings::showToolTips() && m_mode == DolphinView::IconsView) {
2403         const std::optional<int> index = m_view->itemAt(event->pos());
2404
2405         if (!index.has_value()) {
2406             return false;
2407         }
2408
2409         // Check whether the filename has been elided
2410         const bool isElided = m_view->isElided(index.value());
2411
2412         if (isElided) {
2413             const KFileItem item = m_model->fileItem(index.value());
2414             const QString text = item.text();
2415             const QPoint pos = mapToGlobal(event->pos());
2416             QToolTip::showText(pos, text);
2417             return true;
2418         }
2419     }
2420     return false;
2421 }