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