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