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