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