src/views/dolphinview.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2006-2009 Peter Penz <peter.penz19@gmail.com>
   3  * SPDX-FileCopyrightText: 2006 Gregor Kališnik <gregor@podnapisi.net>
   4  *
   5  * SPDX-License-Identifier: GPL-2.0-or-later
   6  */
   7
   8 #include "dolphinview.h"
   9
  10 #include "dolphin_detailsmodesettings.h"
  11 #include "dolphin_generalsettings.h"
  12 #include "dolphinitemlistview.h"
  13 #include "dolphinnewfilemenuobserver.h"
  14 #include "draganddrophelper.h"
  15 #include "kitemviews/kfileitemlistview.h"
  16 #include "kitemviews/kfileitemmodel.h"
  17 #include "kitemviews/kitemlistcontainer.h"
  18 #include "kitemviews/kitemlistcontroller.h"
  19 #include "kitemviews/kitemlistheader.h"
  20 #include "kitemviews/kitemlistselectionmanager.h"
  21 #include "kitemviews/private/kitemlistroleeditor.h"
  22 #include "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 <QPointer>
  60 #include <QScrollBar>
  61 #include <QSize>
  62 #include <QTimer>
  63 #include <QVBoxLayout>
  64
  65 DolphinView::DolphinView(const QUrl& url, QWidget* parent) :
  66     QWidget(parent),
  67     m_active(true),
  68     m_tabsForFiles(false),
  69     m_assureVisibleCurrentIndex(false),
  70     m_isFolderWritable(true),
  71     m_dragging(false),
  72     m_loading(false),
  73     m_url(url),
  74     m_viewPropertiesContext(),
  75     m_mode(DolphinView::IconsView),
  76     m_visibleRoles(),
  77     m_topLayout(nullptr),
  78     m_model(nullptr),
  79     m_view(nullptr),
  80     m_container(nullptr),
  81     m_toolTipManager(nullptr),
  82     m_selectionChangedTimer(nullptr),
  83     m_currentItemUrl(),
  84     m_scrollToCurrentItem(false),
  85     m_restoredContentsPosition(),
  86     m_selectedUrls(),
  87     m_clearSelectionBeforeSelectingNewItems(false),
  88     m_markFirstNewlySelectedItemAsCurrent(false),
  89     m_versionControlObserver(nullptr),
  90     m_twoClicksRenamingTimer(nullptr),
  91     m_placeholderLabel(nullptr),
  92     m_showLoadingPlaceholderTimer(nullptr)
  93 {
  94     m_topLayout = new QVBoxLayout(this);
  95     m_topLayout->setSpacing(0);
  96     m_topLayout->setContentsMargins(0, 0, 0, 0);
  97
  98     // When a new item has been created by the "Create New..." menu, the item should
  99     // get selected and it must be assured that the item will get visible. As the
 100     // creation is done asynchronously, several signals must be checked:
 101     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated,
 102             this, &DolphinView::observeCreatedItem);
 103
 104     m_selectionChangedTimer = new QTimer(this);
 105     m_selectionChangedTimer->setSingleShot(true);
 106     m_selectionChangedTimer->setInterval(300);
 107     connect(m_selectionChangedTimer, &QTimer::timeout,
 108             this, &DolphinView::emitSelectionChangedSignal);
 109
 110     m_model = new KFileItemModel(this);
 111     m_view = new DolphinItemListView();
 112     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 113     m_view->setVisibleRoles({"text"});
 114     applyModeToView();
 115
 116     KItemListController* controller = new KItemListController(m_model, m_view, this);
 117     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 118     controller->setAutoActivationDelay(delay);
 119
 120     // The EnlargeSmallPreviews setting can only be changed after the model
 121     // has been set in the view by KItemListController.
 122     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 123
 124     m_container = new KItemListContainer(controller, this);
 125     m_container->installEventFilter(this);
 126     setFocusProxy(m_container);
 127     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
 128     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
 129
 130     m_showLoadingPlaceholderTimer = new QTimer(this);
 131     m_showLoadingPlaceholderTimer->setInterval(500);
 132     m_showLoadingPlaceholderTimer->setSingleShot(true);
 133     connect(m_showLoadingPlaceholderTimer, &QTimer::timeout, this, &DolphinView::showLoadingPlaceholder);
 134
 135     // Show some placeholder text for empty folders
 136     // This is made using a heavily-modified QLabel rather than a KTitleWidget
 137     // because KTitleWidget can't be told to turn off mouse-selectable text
 138     m_placeholderLabel = new QLabel(this);
 139     QFont placeholderLabelFont;
 140     // To match the size of a level 2 Heading/KTitleWidget
 141     placeholderLabelFont.setPointSize(qRound(placeholderLabelFont.pointSize() * 1.3));
 142     m_placeholderLabel->setFont(placeholderLabelFont);
 143     m_placeholderLabel->setTextInteractionFlags(Qt::NoTextInteraction);
 144     m_placeholderLabel->setWordWrap(true);
 145     m_placeholderLabel->setAlignment(Qt::AlignCenter);
 146     // Match opacity of QML placeholder label component
 147     auto *effect = new QGraphicsOpacityEffect(m_placeholderLabel);
 148     effect->setOpacity(0.5);
 149     m_placeholderLabel->setGraphicsEffect(effect);
 150     // Set initial text and visibility
 151     updatePlaceholderLabel();
 152
 153     auto *centeringLayout = new QVBoxLayout(m_container);
 154     centeringLayout->addWidget(m_placeholderLabel);
 155     centeringLayout->setAlignment(m_placeholderLabel, Qt::AlignCenter);
 156
 157     controller->setSelectionBehavior(KItemListController::MultiSelection);
 158     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 159     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 160     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 161     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 162     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 163     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 164     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 165     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 166     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 167     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 168     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 169     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 170     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 171     connect(controller, &KItemListController::increaseZoom, this, &DolphinView::slotIncreaseZoom);
 172     connect(controller, &KItemListController::decreaseZoom, this, &DolphinView::slotDecreaseZoom);
 173     connect(controller, &KItemListController::swipeUp, this, &DolphinView::slotSwipeUp);
 174
 175     connect(m_model, &KFileItemModel::directoryLoadingStarted,       this, &DolphinView::slotDirectoryLoadingStarted);
 176     connect(m_model, &KFileItemModel::directoryLoadingCompleted,     this, &DolphinView::slotDirectoryLoadingCompleted);
 177     connect(m_model, &KFileItemModel::directoryLoadingCanceled,      this, &DolphinView::slotDirectoryLoadingCanceled);
 178     connect(m_model, &KFileItemModel::directoryLoadingProgress,   this, &DolphinView::directoryLoadingProgress);
 179     connect(m_model, &KFileItemModel::directorySortingProgress,   this, &DolphinView::directorySortingProgress);
 180     connect(m_model, &KFileItemModel::itemsChanged,
 181             this, &DolphinView::slotItemsChanged);
 182     connect(m_model, &KFileItemModel::itemsRemoved,    this, &DolphinView::itemCountChanged);
 183     connect(m_model, &KFileItemModel::itemsInserted,   this, &DolphinView::itemCountChanged);
 184     connect(m_model, &KFileItemModel::infoMessage,            this, &DolphinView::infoMessage);
 185     connect(m_model, &KFileItemModel::errorMessage,           this, &DolphinView::errorMessage);
 186     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 187     connect(m_model, &KFileItemModel::urlIsFileError,            this, &DolphinView::urlIsFileError);
 188     connect(m_model, &KFileItemModel::fileItemsChanged,            this, &DolphinView::fileItemsChanged);
 189
 190     connect(this, &DolphinView::itemCountChanged,
 191             this, &DolphinView::updatePlaceholderLabel);
 192
 193     m_view->installEventFilter(this);
 194     connect(m_view, &DolphinItemListView::sortOrderChanged,
 195             this, &DolphinView::slotSortOrderChangedByHeader);
 196     connect(m_view, &DolphinItemListView::sortRoleChanged,
 197             this, &DolphinView::slotSortRoleChangedByHeader);
 198     connect(m_view, &DolphinItemListView::visibleRolesChanged,
 199             this, &DolphinView::slotVisibleRolesChangedByHeader);
 200     connect(m_view, &DolphinItemListView::roleEditingCanceled,
 201             this, &DolphinView::slotRoleEditingCanceled);
 202     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished,
 203             this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 204
 205     KItemListSelectionManager* selectionManager = controller->selectionManager();
 206     connect(selectionManager, &KItemListSelectionManager::selectionChanged,
 207             this, &DolphinView::slotSelectionChanged);
 208
 209 #ifdef HAVE_BALOO
 210     m_toolTipManager = new ToolTipManager(this);
 211     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 212 #endif
 213
 214     m_versionControlObserver = new VersionControlObserver(this);
 215     m_versionControlObserver->setView(this);
 216     m_versionControlObserver->setModel(m_model);
 217     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 218     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 219     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 220
 221     m_twoClicksRenamingTimer = new QTimer(this);
 222     m_twoClicksRenamingTimer->setSingleShot(true);
 223     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 224
 225     applyViewProperties();
 226     m_topLayout->addWidget(m_container);
 227
 228     loadDirectory(url);
 229 }
 230
 231 DolphinView::~DolphinView()
 232 {
 233 }
 234
 235 QUrl DolphinView::url() const
 236 {
 237     return m_url;
 238 }
 239
 240 void DolphinView::setActive(bool active)
 241 {
 242     if (active == m_active) {
 243         return;
 244     }
 245
 246     m_active = active;
 247
 248     updatePalette();
 249
 250     if (active) {
 251         m_container->setFocus();
 252         Q_EMIT activated();
 253         Q_EMIT writeStateChanged(m_isFolderWritable);
 254     }
 255 }
 256
 257 bool DolphinView::isActive() const
 258 {
 259     return m_active;
 260 }
 261
 262 void DolphinView::setMode(Mode mode)
 263 {
 264     if (mode != m_mode) {
 265         ViewProperties props(viewPropertiesUrl());
 266         props.setViewMode(mode);
 267
 268         // We pass the new ViewProperties to applyViewProperties, rather than
 269         // storing them on disk and letting applyViewProperties() read them
 270         // from there, to prevent that changing the view mode fails if the
 271         // .directory file is not writable (see bug 318534).
 272         applyViewProperties(props);
 273     }
 274 }
 275
 276 DolphinView::Mode DolphinView::mode() const
 277 {
 278     return m_mode;
 279 }
 280
 281 void DolphinView::setPreviewsShown(bool show)
 282 {
 283     if (previewsShown() == show) {
 284         return;
 285     }
 286
 287     ViewProperties props(viewPropertiesUrl());
 288     props.setPreviewsShown(show);
 289
 290     const int oldZoomLevel = m_view->zoomLevel();
 291     m_view->setPreviewsShown(show);
 292     Q_EMIT previewsShownChanged(show);
 293
 294     const int newZoomLevel = m_view->zoomLevel();
 295     if (newZoomLevel != oldZoomLevel) {
 296         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 297     }
 298 }
 299
 300 bool DolphinView::previewsShown() const
 301 {
 302     return m_view->previewsShown();
 303 }
 304
 305 void DolphinView::setHiddenFilesShown(bool show)
 306 {
 307     if (m_model->showHiddenFiles() == show) {
 308         return;
 309     }
 310
 311     const KFileItemList itemList = selectedItems();
 312     m_selectedUrls.clear();
 313     m_selectedUrls = itemList.urlList();
 314
 315     ViewProperties props(viewPropertiesUrl());
 316     props.setHiddenFilesShown(show);
 317
 318     m_model->setShowHiddenFiles(show);
 319     Q_EMIT hiddenFilesShownChanged(show);
 320 }
 321
 322 bool DolphinView::hiddenFilesShown() const
 323 {
 324     return m_model->showHiddenFiles();
 325 }
 326
 327 void DolphinView::setGroupedSorting(bool grouped)
 328 {
 329     if (grouped == groupedSorting()) {
 330         return;
 331     }
 332
 333     ViewProperties props(viewPropertiesUrl());
 334     props.setGroupedSorting(grouped);
 335     props.save();
 336
 337     m_container->controller()->model()->setGroupedSorting(grouped);
 338
 339     Q_EMIT groupedSortingChanged(grouped);
 340 }
 341
 342 bool DolphinView::groupedSorting() const
 343 {
 344     return m_model->groupedSorting();
 345 }
 346
 347 KFileItemList DolphinView::items() const
 348 {
 349     KFileItemList list;
 350     const int itemCount = m_model->count();
 351     list.reserve(itemCount);
 352
 353     for (int i = 0; i < itemCount; ++i) {
 354         list.append(m_model->fileItem(i));
 355     }
 356
 357     return list;
 358 }
 359
 360 int DolphinView::itemsCount() const
 361 {
 362     return m_model->count();
 363 }
 364
 365 KFileItemList DolphinView::selectedItems() const
 366 {
 367     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 368
 369     KFileItemList selectedItems;
 370     const auto items = selectionManager->selectedItems();
 371     selectedItems.reserve(items.count());
 372     for (int index : items) {
 373         selectedItems.append(m_model->fileItem(index));
 374     }
 375     return selectedItems;
 376 }
 377
 378 int DolphinView::selectedItemsCount() const
 379 {
 380     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 381     return selectionManager->selectedItems().count();
 382 }
 383
 384 void DolphinView::markUrlsAsSelected(const QList<QUrl>& urls)
 385 {
 386     m_selectedUrls = urls;
 387 }
 388
 389 void DolphinView::markUrlAsCurrent(const QUrl &url)
 390 {
 391     m_currentItemUrl = url;
 392     m_scrollToCurrentItem = true;
 393 }
 394
 395 void DolphinView::selectItems(const QRegularExpression &regexp, bool enabled)
 396 {
 397     const KItemListSelectionManager::SelectionMode mode = enabled
 398                                                         ? KItemListSelectionManager::Select
 399                                                         : KItemListSelectionManager::Deselect;
 400     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 401
 402     for (int index = 0; index < m_model->count(); index++) {
 403         const KFileItem item = m_model->fileItem(index);
 404         if (regexp.match(item.text()).hasMatch()) {
 405             // An alternative approach would be to store the matching items in a KItemSet and
 406             // select them in one go after the loop, but we'd need a new function
 407             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 408             // for that.
 409             selectionManager->setSelected(index, 1, mode);
 410         }
 411     }
 412 }
 413
 414 void DolphinView::setZoomLevel(int level)
 415 {
 416     const int oldZoomLevel = zoomLevel();
 417     m_view->setZoomLevel(level);
 418     if (zoomLevel() != oldZoomLevel) {
 419         hideToolTip();
 420         Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
 421     }
 422 }
 423
 424 int DolphinView::zoomLevel() const
 425 {
 426     return m_view->zoomLevel();
 427 }
 428
 429 void DolphinView::setSortRole(const QByteArray& role)
 430 {
 431     if (role != sortRole()) {
 432         updateSortRole(role);
 433     }
 434 }
 435
 436 QByteArray DolphinView::sortRole() const
 437 {
 438     const KItemModelBase* model = m_container->controller()->model();
 439     return model->sortRole();
 440 }
 441
 442 void DolphinView::setSortOrder(Qt::SortOrder order)
 443 {
 444     if (sortOrder() != order) {
 445         updateSortOrder(order);
 446     }
 447 }
 448
 449 Qt::SortOrder DolphinView::sortOrder() const
 450 {
 451     return m_model->sortOrder();
 452 }
 453
 454 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 455 {
 456     if (sortFoldersFirst() != foldersFirst) {
 457         updateSortFoldersFirst(foldersFirst);
 458     }
 459 }
 460
 461 bool DolphinView::sortFoldersFirst() const
 462 {
 463     return m_model->sortDirectoriesFirst();
 464 }
 465
 466 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 467 {
 468     const QList<QByteArray> previousRoles = roles;
 469
 470     ViewProperties props(viewPropertiesUrl());
 471     props.setVisibleRoles(roles);
 472
 473     m_visibleRoles = roles;
 474     m_view->setVisibleRoles(roles);
 475
 476     Q_EMIT visibleRolesChanged(m_visibleRoles, previousRoles);
 477 }
 478
 479 QList<QByteArray> DolphinView::visibleRoles() const
 480 {
 481     return m_visibleRoles;
 482 }
 483
 484 void DolphinView::reload()
 485 {
 486     QByteArray viewState;
 487     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 488     saveState(saveStream);
 489
 490     setUrl(url());
 491     loadDirectory(url(), true);
 492
 493     QDataStream restoreStream(viewState);
 494     restoreState(restoreStream);
 495 }
 496
 497 void DolphinView::readSettings()
 498 {
 499     const int oldZoomLevel = m_view->zoomLevel();
 500
 501     GeneralSettings::self()->load();
 502     m_view->readSettings();
 503     applyViewProperties();
 504
 505     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 506     m_container->controller()->setAutoActivationDelay(delay);
 507
 508     const int newZoomLevel = m_view->zoomLevel();
 509     if (newZoomLevel != oldZoomLevel) {
 510         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 511     }
 512 }
 513
 514 void DolphinView::writeSettings()
 515 {
 516     GeneralSettings::self()->save();
 517     m_view->writeSettings();
 518 }
 519
 520 void DolphinView::setNameFilter(const QString& nameFilter)
 521 {
 522     m_model->setNameFilter(nameFilter);
 523 }
 524
 525 QString DolphinView::nameFilter() const
 526 {
 527     return m_model->nameFilter();
 528 }
 529
 530 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 531 {
 532     return m_model->setMimeTypeFilters(filters);
 533 }
 534
 535 QStringList DolphinView::mimeTypeFilters() const
 536 {
 537     return m_model->mimeTypeFilters();
 538 }
 539
 540 void DolphinView::requestStatusBarText()
 541 {
 542     if (m_statJobForStatusBarText) {
 543         // Kill the pending request.
 544         m_statJobForStatusBarText->kill();
 545     }
 546
 547     if (m_container->controller()->selectionManager()->hasSelection()) {
 548         int folderCount = 0;
 549         int fileCount = 0;
 550         KIO::filesize_t totalFileSize = 0;
 551
 552         // Give a summary of the status of the selected files
 553         const KFileItemList list = selectedItems();
 554         for (const KFileItem& item : list) {
 555             if (item.isDir()) {
 556                 ++folderCount;
 557             } else {
 558                 ++fileCount;
 559                 totalFileSize += item.size();
 560             }
 561         }
 562
 563         if (folderCount + fileCount == 1) {
 564             // If only one item is selected, show info about it
 565             Q_EMIT statusBarTextChanged(list.first().getStatusBarInfo());
 566         } else {
 567             // At least 2 items are selected
 568             emitStatusBarText(folderCount, fileCount, totalFileSize, HasSelection);
 569         }
 570     } else { // has no selection
 571         if (!m_model->rootItem().url().isValid()) {
 572             return;
 573         }
 574
 575         m_statJobForStatusBarText = KIO::statDetails(m_model->rootItem().url(),
 576                         KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
 577         connect(m_statJobForStatusBarText, &KJob::result,
 578                 this, &DolphinView::slotStatJobResult);
 579         m_statJobForStatusBarText->start();
 580     }
 581 }
 582
 583 void DolphinView::emitStatusBarText(const int folderCount, const int fileCount,
 584                                     KIO::filesize_t totalFileSize, const Selection selection)
 585 {
 586     QString foldersText;
 587     QString filesText;
 588     QString summary;
 589
 590     if (selection == HasSelection) {
 591         // At least 2 items are selected because the case of 1 selected item is handled in
 592         // DolphinView::requestStatusBarText().
 593         foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 594         filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 595     } else {
 596         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 597         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 598     }
 599
 600     if (fileCount > 0 && folderCount > 0) {
 601         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 602                         foldersText, filesText,
 603                         KFormat().formatByteSize(totalFileSize));
 604     } else if (fileCount > 0) {
 605         summary = i18nc("@info:status files (size)", "%1 (%2)",
 606                         filesText,
 607                         KFormat().formatByteSize(totalFileSize));
 608     } else if (folderCount > 0) {
 609         summary = foldersText;
 610     } else {
 611         summary = i18nc("@info:status", "0 Folders, 0 Files");
 612     }
 613     Q_EMIT statusBarTextChanged(summary);
 614 }
 615
 616 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 617 {
 618     QList<QAction*> actions;
 619
 620     if (items.isEmpty()) {
 621         const KFileItem item = m_model->rootItem();
 622         if (!item.isNull()) {
 623             actions = m_versionControlObserver->actions(KFileItemList() << item);
 624         }
 625     } else {
 626         actions = m_versionControlObserver->actions(items);
 627     }
 628
 629     return actions;
 630 }
 631
 632 void DolphinView::setUrl(const QUrl& url)
 633 {
 634     if (url == m_url) {
 635         return;
 636     }
 637
 638     clearSelection();
 639
 640     m_url = url;
 641
 642     hideToolTip();
 643
 644     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 645                this, &DolphinView::slotRoleEditingFinished);
 646
 647     // It is important to clear the items from the model before
 648     // applying the view properties, otherwise expensive operations
 649     // might be done on the existing items although they get cleared
 650     // anyhow afterwards by loadDirectory().
 651     m_model->clear();
 652     applyViewProperties();
 653     loadDirectory(url);
 654
 655     Q_EMIT urlChanged(url);
 656 }
 657
 658 void DolphinView::selectAll()
 659 {
 660     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 661     selectionManager->setSelected(0, m_model->count());
 662 }
 663
 664 void DolphinView::invertSelection()
 665 {
 666     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 667     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 668 }
 669
 670 void DolphinView::clearSelection()
 671 {
 672     m_selectedUrls.clear();
 673     m_container->controller()->selectionManager()->clearSelection();
 674 }
 675
 676 void DolphinView::renameSelectedItems()
 677 {
 678     const KFileItemList items = selectedItems();
 679     if (items.isEmpty()) {
 680         return;
 681     }
 682
 683     if (items.count() == 1 && GeneralSettings::renameInline()) {
 684         const int index = m_model->index(items.first());
 685
 686         QMetaObject::Connection * const connection = new QMetaObject::Connection;
 687         *connection = connect(m_view, &KItemListView::scrollingStopped, this, [=](){
 688             QObject::disconnect(*connection);
 689             delete connection;
 690
 691             m_view->editRole(index, "text");
 692
 693             hideToolTip();
 694
 695             connect(m_view, &DolphinItemListView::roleEditingFinished,
 696                     this, &DolphinView::slotRoleEditingFinished);
 697         });
 698         m_view->scrollToItem(index);
 699
 700     } else {
 701         KIO::RenameFileDialog* dialog = new KIO::RenameFileDialog(items, this);
 702         connect(dialog, &KIO::RenameFileDialog::renamingFinished,
 703                 this, &DolphinView::slotRenameDialogRenamingFinished);
 704
 705         dialog->open();
 706     }
 707
 708     // Assure that the current index remains visible when KFileItemModel
 709     // will notify the view about changed items (which might result in
 710     // a changed sorting).
 711     m_assureVisibleCurrentIndex = true;
 712 }
 713
 714 void DolphinView::trashSelectedItems()
 715 {
 716     const QList<QUrl> list = simplifiedSelectedUrls();
 717     KIO::JobUiDelegate uiDelegate;
 718     uiDelegate.setWindow(window());
 719     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 720         KIO::Job* job = KIO::trash(list);
 721         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, QUrl(QStringLiteral("trash:/")), job);
 722         KJobWidgets::setWindow(job, this);
 723         connect(job, &KIO::Job::result,
 724                 this, &DolphinView::slotTrashFileFinished);
 725     }
 726 }
 727
 728 void DolphinView::deleteSelectedItems()
 729 {
 730     const QList<QUrl> list = simplifiedSelectedUrls();
 731
 732     KIO::JobUiDelegate uiDelegate;
 733     uiDelegate.setWindow(window());
 734     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 735         KIO::Job* job = KIO::del(list);
 736         KJobWidgets::setWindow(job, this);
 737         connect(job, &KIO::Job::result,
 738                 this, &DolphinView::slotDeleteFileFinished);
 739     }
 740 }
 741
 742 void DolphinView::cutSelectedItemsToClipboard()
 743 {
 744     QMimeData* mimeData = selectionMimeData();
 745     KIO::setClipboardDataCut(mimeData, true);
 746     QApplication::clipboard()->setMimeData(mimeData);
 747 }
 748
 749 void DolphinView::copySelectedItemsToClipboard()
 750 {
 751     QMimeData* mimeData = selectionMimeData();
 752     QApplication::clipboard()->setMimeData(mimeData);
 753 }
 754
 755 void DolphinView::copySelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 756 {
 757     KIO::CopyJob* job = KIO::copy(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 758     KJobWidgets::setWindow(job, this);
 759
 760     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 761     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotCopyingDone);
 762     KIO::FileUndoManager::self()->recordCopyJob(job);
 763 }
 764
 765 void DolphinView::moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 766 {
 767     KIO::CopyJob* job = KIO::move(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 768     KJobWidgets::setWindow(job, this);
 769
 770     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 771     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotCopyingDone);
 772     KIO::FileUndoManager::self()->recordCopyJob(job);
 773
 774 }
 775
 776 void DolphinView::paste()
 777 {
 778     pasteToUrl(url());
 779 }
 780
 781 void DolphinView::pasteIntoFolder()
 782 {
 783     const KFileItemList items = selectedItems();
 784     if ((items.count() == 1) && items.first().isDir()) {
 785         pasteToUrl(items.first().url());
 786     }
 787 }
 788
 789 void DolphinView::duplicateSelectedItems()
 790 {
 791     const KFileItemList itemList = selectedItems();
 792     if (itemList.isEmpty()) {
 793         return;
 794     }
 795
 796     const QMimeDatabase db;
 797
 798     // Duplicate all selected items and append "copy" to the end of the file name
 799     // but before the filename extension, if present
 800     QList<QUrl> newSelection;
 801     for (const auto &item : itemList) {
 802         const QUrl originalURL  = item.url();
 803         const QString originalDirectoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 804         const QString originalFileName = item.name();
 805
 806         QString extension = db.suffixForFileName(originalFileName);
 807
 808         QUrl duplicateURL = originalURL;
 809
 810         // No extension; new filename is "<oldfilename> copy"
 811         if (extension.isEmpty()) {
 812             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFileName));
 813         // There's an extension; new filename is "<oldfilename> copy.<extension>"
 814         } else {
 815             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 816             extension = QLatin1String(".") + extension;
 817             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 818             // Preserve file's original filename extension in case the casing differs
 819             // from what QMimeDatabase::suffixForFileName() returned
 820             const QString originalExtension = originalFileName.right(extension.size());
 821             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFilenameWithoutExtension) + originalExtension);
 822         }
 823
 824         KIO::CopyJob* job = KIO::copyAs(originalURL, duplicateURL);
 825         KJobWidgets::setWindow(job, this);
 826
 827         if (job) {
 828             newSelection << duplicateURL;
 829             KIO::FileUndoManager::self()->recordCopyJob(job);
 830         }
 831     }
 832
 833     forceUrlsSelection(newSelection.first(), newSelection);
 834 }
 835
 836 void DolphinView::stopLoading()
 837 {
 838     m_model->cancelDirectoryLoading();
 839 }
 840
 841 void DolphinView::updatePalette()
 842 {
 843     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 844     if (!m_active) {
 845         color.setAlpha(150);
 846     }
 847
 848     QWidget* viewport = m_container->viewport();
 849     if (viewport) {
 850         QPalette palette;
 851         palette.setColor(viewport->backgroundRole(), color);
 852         viewport->setPalette(palette);
 853     }
 854
 855     update();
 856 }
 857
 858 void DolphinView::abortTwoClicksRenaming()
 859 {
 860     m_twoClicksRenamingItemUrl.clear();
 861     m_twoClicksRenamingTimer->stop();
 862 }
 863
 864 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 865 {
 866     switch (event->type()) {
 867     case QEvent::PaletteChange:
 868         updatePalette();
 869         QPixmapCache::clear();
 870         break;
 871
 872     case QEvent::WindowActivate:
 873     case QEvent::WindowDeactivate:
 874         updatePalette();
 875         break;
 876
 877     case QEvent::KeyPress:
 878         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 879         if (GeneralSettings::useTabForSwitchingSplitView()) {
 880             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 881             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 882                 Q_EMIT toggleActiveViewRequested();
 883                 return true;
 884             }
 885         }
 886         break;
 887     case QEvent::FocusIn:
 888         if (watched == m_container) {
 889             setActive(true);
 890         }
 891         break;
 892
 893     case QEvent::GraphicsSceneDragEnter:
 894         if (watched == m_view) {
 895             m_dragging = true;
 896             abortTwoClicksRenaming();
 897         }
 898         break;
 899
 900     case QEvent::GraphicsSceneDragLeave:
 901         if (watched == m_view) {
 902             m_dragging = false;
 903         }
 904         break;
 905
 906     case QEvent::GraphicsSceneDrop:
 907         if (watched == m_view) {
 908             m_dragging = false;
 909         }
 910     default:
 911         break;
 912     }
 913
 914     return QWidget::eventFilter(watched, event);
 915 }
 916
 917 void DolphinView::wheelEvent(QWheelEvent* event)
 918 {
 919     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 920         const QPoint numDegrees = event->angleDelta() / 8;
 921         const QPoint numSteps = numDegrees / 15;
 922
 923         setZoomLevel(zoomLevel() + numSteps.y());
 924         event->accept();
 925     } else {
 926         event->ignore();
 927     }
 928 }
 929
 930 void DolphinView::hideEvent(QHideEvent* event)
 931 {
 932     hideToolTip();
 933     QWidget::hideEvent(event);
 934 }
 935
 936 bool DolphinView::event(QEvent* event)
 937 {
 938     if (event->type() == QEvent::WindowDeactivate) {
 939         /* See Bug 297355
 940          * Dolphin leaves file preview tooltips open even when is not visible.
 941          *
 942          * Hide tool-tip when Dolphin loses focus.
 943          */
 944         hideToolTip();
 945         abortTwoClicksRenaming();
 946     }
 947
 948     return QWidget::event(event);
 949 }
 950
 951 void DolphinView::activate()
 952 {
 953     setActive(true);
 954 }
 955
 956 void DolphinView::slotItemActivated(int index)
 957 {
 958     abortTwoClicksRenaming();
 959
 960     const KFileItem item = m_model->fileItem(index);
 961     if (!item.isNull()) {
 962         Q_EMIT itemActivated(item);
 963     }
 964 }
 965
 966 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 967 {
 968     Q_ASSERT(indexes.count() >= 2);
 969
 970     abortTwoClicksRenaming();
 971
 972     if (indexes.count() > 5) {
 973         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 974         const int answer = KMessageBox::warningYesNo(this, question);
 975         if (answer != KMessageBox::Yes) {
 976             return;
 977         }
 978     }
 979
 980     KFileItemList items;
 981     items.reserve(indexes.count());
 982
 983     for (int index : indexes) {
 984         KFileItem item = m_model->fileItem(index);
 985         const QUrl& url = openItemAsFolderUrl(item);
 986
 987         if (!url.isEmpty()) { // Open folders in new tabs
 988             Q_EMIT tabRequested(url);
 989         } else {
 990             items.append(item);
 991         }
 992     }
 993
 994     if (items.count() == 1) {
 995         Q_EMIT itemActivated(items.first());
 996     } else if (items.count() > 1) {
 997         Q_EMIT itemsActivated(items);
 998     }
 999 }
1000
1001 void DolphinView::slotItemMiddleClicked(int index)
1002 {
1003     const KFileItem& item = m_model->fileItem(index);
1004     const QUrl& url = openItemAsFolderUrl(item);
1005     if (!url.isEmpty()) {
1006         Q_EMIT tabRequested(url);
1007     } else if (isTabsForFilesEnabled()) {
1008         Q_EMIT tabRequested(item.url());
1009     }
1010 }
1011
1012 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
1013 {
1014     // Force emit of a selection changed signal before we request the
1015     // context menu, to update the edit-actions first. (See Bug 294013)
1016     if (m_selectionChangedTimer->isActive()) {
1017         emitSelectionChangedSignal();
1018     }
1019
1020     const KFileItem item = m_model->fileItem(index);
1021     Q_EMIT requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
1022 }
1023
1024 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
1025 {
1026     Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
1027 }
1028
1029 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
1030 {
1031     ViewProperties props(viewPropertiesUrl());
1032
1033     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
1034
1035     KItemListView* view = m_container->controller()->view();
1036     const QList<QByteArray> visibleRolesSet = view->visibleRoles();
1037
1038     bool indexingEnabled = false;
1039 #ifdef HAVE_BALOO
1040     Baloo::IndexerConfig config;
1041     indexingEnabled = config.fileIndexingEnabled();
1042 #endif
1043
1044     QString groupName;
1045     QMenu* groupMenu = nullptr;
1046
1047     // Add all roles to the menu that can be shown or hidden by the user
1048     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
1049     for (const KFileItemModel::RoleInfo& info : rolesInfo) {
1050         if (info.role == "text") {
1051             // It should not be possible to hide the "text" role
1052             continue;
1053         }
1054
1055         const QString text = m_model->roleDescription(info.role);
1056         QAction* action = nullptr;
1057         if (info.group.isEmpty()) {
1058             action = menu->addAction(text);
1059         } else {
1060             if (!groupMenu || info.group != groupName) {
1061                 groupName = info.group;
1062                 groupMenu = menu->addMenu(groupName);
1063             }
1064
1065             action = groupMenu->addAction(text);
1066         }
1067
1068         action->setCheckable(true);
1069         action->setChecked(visibleRolesSet.contains(info.role));
1070         action->setData(info.role);
1071
1072         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
1073                             (info.requiresBaloo) ||
1074                             (info.requiresIndexer && indexingEnabled);
1075         action->setEnabled(enable);
1076     }
1077
1078     menu->addSeparator();
1079
1080     QActionGroup* widthsGroup = new QActionGroup(menu);
1081     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1082
1083     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1084     autoAdjustWidthsAction->setCheckable(true);
1085     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1086     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1087
1088     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1089     customWidthsAction->setCheckable(true);
1090     customWidthsAction->setChecked(!autoColumnWidths);
1091     customWidthsAction->setActionGroup(widthsGroup);
1092
1093     QAction* action = menu->exec(pos.toPoint());
1094     if (menu && action) {
1095         KItemListHeader* header = view->header();
1096
1097         if (action == autoAdjustWidthsAction) {
1098             // Clear the column-widths from the viewproperties and turn on
1099             // the automatic resizing of the columns
1100             props.setHeaderColumnWidths(QList<int>());
1101             header->setAutomaticColumnResizing(true);
1102         } else if (action == customWidthsAction) {
1103             // Apply the current column-widths as custom column-widths and turn
1104             // off the automatic resizing of the columns
1105             QList<int> columnWidths;
1106             const auto visibleRoles = view->visibleRoles();
1107             columnWidths.reserve(visibleRoles.count());
1108             for (const QByteArray& role : visibleRoles) {
1109                 columnWidths.append(header->columnWidth(role));
1110             }
1111             props.setHeaderColumnWidths(columnWidths);
1112             header->setAutomaticColumnResizing(false);
1113         } else {
1114             // Show or hide the selected role
1115             const QByteArray selectedRole = action->data().toByteArray();
1116
1117             QList<QByteArray> visibleRoles = view->visibleRoles();
1118             if (action->isChecked()) {
1119                 visibleRoles.append(selectedRole);
1120             } else {
1121                 visibleRoles.removeOne(selectedRole);
1122             }
1123
1124             view->setVisibleRoles(visibleRoles);
1125             props.setVisibleRoles(visibleRoles);
1126
1127             QList<int> columnWidths;
1128             if (!header->automaticColumnResizing()) {
1129                 const auto visibleRoles = view->visibleRoles();
1130                 columnWidths.reserve(visibleRoles.count());
1131                 for (const QByteArray& role : visibleRoles) {
1132                     columnWidths.append(header->columnWidth(role));
1133                 }
1134             }
1135             props.setHeaderColumnWidths(columnWidths);
1136         }
1137     }
1138
1139     delete menu;
1140 }
1141
1142 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current)
1143 {
1144     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1145
1146     ViewProperties props(viewPropertiesUrl());
1147     QList<int> columnWidths = props.headerColumnWidths();
1148     if (columnWidths.count() != visibleRoles.count()) {
1149         columnWidths.clear();
1150         columnWidths.reserve(visibleRoles.count());
1151         const KItemListHeader* header = m_view->header();
1152         for (const QByteArray& role : visibleRoles) {
1153             const int width = header->columnWidth(role);
1154             columnWidths.append(width);
1155         }
1156     }
1157
1158     const int roleIndex = visibleRoles.indexOf(role);
1159     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1160     columnWidths[roleIndex] = current;
1161
1162     props.setHeaderColumnWidths(columnWidths);
1163 }
1164
1165 void DolphinView::slotItemHovered(int index)
1166 {
1167     const KFileItem item = m_model->fileItem(index);
1168
1169     if (GeneralSettings::showToolTips() && !m_dragging) {
1170         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1171         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1172         itemRect.moveTo(pos);
1173
1174 #ifdef HAVE_BALOO
1175         m_toolTipManager->showToolTip(item, itemRect, nativeParentWidget()->windowHandle());
1176 #endif
1177     }
1178
1179     Q_EMIT requestItemInfo(item);
1180 }
1181
1182 void DolphinView::slotItemUnhovered(int index)
1183 {
1184     Q_UNUSED(index)
1185     hideToolTip();
1186     Q_EMIT requestItemInfo(KFileItem());
1187 }
1188
1189 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1190 {
1191     QUrl destUrl;
1192     KFileItem destItem = m_model->fileItem(index);
1193     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1194         // Use the URL of the view as drop target if the item is no directory
1195         // or desktop-file
1196         destItem = m_model->rootItem();
1197         destUrl = url();
1198     } else {
1199         // The item represents a directory or desktop-file
1200         destUrl = destItem.mostLocalUrl();
1201     }
1202
1203     QDropEvent dropEvent(event->pos().toPoint(),
1204                          event->possibleActions(),
1205                          event->mimeData(),
1206                          event->buttons(),
1207                          event->modifiers());
1208     dropUrls(destUrl, &dropEvent, this);
1209
1210     setActive(true);
1211 }
1212
1213 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1214 {
1215     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1216
1217     if (job) {
1218         connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
1219
1220         if (destUrl == url()) {
1221             // Mark the dropped urls as selected.
1222             m_clearSelectionBeforeSelectingNewItems = true;
1223             m_markFirstNewlySelectedItemAsCurrent = true;
1224             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1225         }
1226     }
1227 }
1228
1229 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1230 {
1231     if (previous != nullptr) {
1232         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1233         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1234         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1235         m_versionControlObserver->setModel(nullptr);
1236     }
1237
1238     if (current) {
1239         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1240         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1241         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1242         m_versionControlObserver->setModel(fileItemModel);
1243     }
1244 }
1245
1246 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1247 {
1248     Q_UNUSED(itemIndex)
1249
1250     hideToolTip();
1251
1252     if (buttons & Qt::BackButton) {
1253         Q_EMIT goBackRequested();
1254     } else if (buttons & Qt::ForwardButton) {
1255         Q_EMIT goForwardRequested();
1256     }
1257 }
1258
1259 void DolphinView::slotSelectedItemTextPressed(int index)
1260 {
1261     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1262         const KFileItem item = m_model->fileItem(index);
1263         const KFileItemListProperties capabilities(KFileItemList() << item);
1264         if (capabilities.supportsMoving()) {
1265             m_twoClicksRenamingItemUrl = item.url();
1266             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1267         }
1268     }
1269 }
1270
1271 void DolphinView::slotCopyingDone(KIO::Job *, const QUrl &, const QUrl &to)
1272 {
1273     slotItemCreated(to);
1274 }
1275
1276 void DolphinView::slotItemCreated(const QUrl& url)
1277 {
1278     if (m_markFirstNewlySelectedItemAsCurrent) {
1279         markUrlAsCurrent(url);
1280         m_markFirstNewlySelectedItemAsCurrent = false;
1281     }
1282     m_selectedUrls << url;
1283 }
1284
1285 void DolphinView::slotJobResult(KJob *job)
1286 {
1287     if (job->error()) {
1288         Q_EMIT errorMessage(job->errorString());
1289     }
1290     if (!m_selectedUrls.isEmpty()) {
1291         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1292     }
1293 }
1294
1295 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1296 {
1297     const int currentCount = current.count();
1298     const int previousCount = previous.count();
1299     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1300                                        (currentCount >  0 && previousCount == 0);
1301
1302     // If nothing has been selected before and something got selected (or if something
1303     // was selected before and now nothing is selected) the selectionChangedSignal must
1304     // be emitted asynchronously as fast as possible to update the edit-actions.
1305     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1306     m_selectionChangedTimer->start();
1307 }
1308
1309 void DolphinView::emitSelectionChangedSignal()
1310 {
1311     m_selectionChangedTimer->stop();
1312     Q_EMIT selectionChanged(selectedItems());
1313 }
1314
1315 void DolphinView::slotStatJobResult(KJob *job)
1316 {
1317     int folderCount = 0;
1318     int fileCount = 0;
1319     KIO::filesize_t totalFileSize = 0;
1320     bool countFileSize = true;
1321
1322     const auto entry =  static_cast<KIO::StatJob *>(job)->statResult();
1323     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1324         // We have a precomputed value.
1325         totalFileSize = static_cast<KIO::filesize_t>(
1326                                 entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1327         countFileSize = false;
1328     }
1329
1330     const int itemCount = m_model->count();
1331     for (int i = 0; i < itemCount; ++i) {
1332         const KFileItem item = m_model->fileItem(i);
1333         if (item.isDir()) {
1334             ++folderCount;
1335         } else {
1336             ++fileCount;
1337             if (countFileSize) {
1338                 totalFileSize += item.size();
1339             }
1340         }
1341     }
1342     emitStatusBarText(folderCount, fileCount, totalFileSize, NoSelection);
1343 }
1344
1345 void DolphinView::updateSortRole(const QByteArray& role)
1346 {
1347     ViewProperties props(viewPropertiesUrl());
1348     props.setSortRole(role);
1349
1350     KItemModelBase* model = m_container->controller()->model();
1351     model->setSortRole(role);
1352
1353     Q_EMIT sortRoleChanged(role);
1354 }
1355
1356 void DolphinView::updateSortOrder(Qt::SortOrder order)
1357 {
1358     ViewProperties props(viewPropertiesUrl());
1359     props.setSortOrder(order);
1360
1361     m_model->setSortOrder(order);
1362
1363     Q_EMIT sortOrderChanged(order);
1364 }
1365
1366 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1367 {
1368     ViewProperties props(viewPropertiesUrl());
1369     props.setSortFoldersFirst(foldersFirst);
1370
1371     m_model->setSortDirectoriesFirst(foldersFirst);
1372
1373     Q_EMIT sortFoldersFirstChanged(foldersFirst);
1374 }
1375
1376 QPair<bool, QString> DolphinView::pasteInfo() const
1377 {
1378     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1379     QPair<bool, QString> info;
1380     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1381     return info;
1382 }
1383
1384 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1385 {
1386     m_tabsForFiles = tabsForFiles;
1387 }
1388
1389 bool DolphinView::isTabsForFilesEnabled() const
1390 {
1391     return m_tabsForFiles;
1392 }
1393
1394 bool DolphinView::itemsExpandable() const
1395 {
1396     return m_mode == DetailsView;
1397 }
1398
1399 void DolphinView::restoreState(QDataStream& stream)
1400 {
1401     // Read the version number of the view state and check if the version is supported.
1402     quint32 version = 0;
1403     stream >> version;
1404     if (version != 1) {
1405         // The version of the view state isn't supported, we can't restore it.
1406         return;
1407     }
1408
1409     // Restore the current item that had the keyboard focus
1410     stream >> m_currentItemUrl;
1411
1412     // Restore the previously selected items
1413     stream >> m_selectedUrls;
1414
1415     // Restore the view position
1416     stream >> m_restoredContentsPosition;
1417
1418     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1419     QSet<QUrl> urls;
1420     stream >> urls;
1421     m_model->restoreExpandedDirectories(urls);
1422 }
1423
1424 void DolphinView::saveState(QDataStream& stream)
1425 {
1426     stream << quint32(1); // View state version
1427
1428     // Save the current item that has the keyboard focus
1429     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1430     if (currentIndex != -1) {
1431         KFileItem item = m_model->fileItem(currentIndex);
1432         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1433         QUrl currentItemUrl = item.url();
1434         stream << currentItemUrl;
1435     } else {
1436         stream << QUrl();
1437     }
1438
1439     // Save the selected urls
1440     stream << selectedItems().urlList();
1441
1442     // Save view position
1443     const qreal x = m_container->horizontalScrollBar()->value();
1444     const qreal y = m_container->verticalScrollBar()->value();
1445     stream << QPoint(x, y);
1446
1447     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1448     stream << m_model->expandedDirectories();
1449 }
1450
1451 KFileItem DolphinView::rootItem() const
1452 {
1453     return m_model->rootItem();
1454 }
1455
1456 void DolphinView::setViewPropertiesContext(const QString& context)
1457 {
1458     m_viewPropertiesContext = context;
1459 }
1460
1461 QString DolphinView::viewPropertiesContext() const
1462 {
1463     return m_viewPropertiesContext;
1464 }
1465
1466 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1467 {
1468     if (item.isNull()) {
1469         return QUrl();
1470     }
1471
1472     QUrl url = item.targetUrl();
1473
1474     if (item.isDir()) {
1475         return url;
1476     }
1477
1478     if (item.isMimeTypeKnown()) {
1479         const QString& mimetype = item.mimetype();
1480
1481         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1482             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1483             // zip:/<path>/ when clicking on a zip file, etc.
1484             // The .protocol file specifies the mimetype that the kioslave handles.
1485             // Note that we don't use mimetype inheritance since we don't want to
1486             // open OpenDocument files as zip folders...
1487             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1488             if (!protocol.isEmpty()) {
1489                 url.setScheme(protocol);
1490                 return url;
1491             }
1492         }
1493
1494         if (mimetype == QLatin1String("application/x-desktop")) {
1495             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1496             KDesktopFile desktopFile(url.toLocalFile());
1497             if (desktopFile.hasLinkType()) {
1498                 const QString linkUrl = desktopFile.readUrl();
1499                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1500                     return QUrl::fromUserInput(linkUrl);
1501                 }
1502             }
1503         }
1504     }
1505
1506     return QUrl();
1507 }
1508
1509 void DolphinView::resetZoomLevel()
1510 {
1511     ViewModeSettings::ViewMode mode;
1512
1513     switch (m_mode) {
1514     case IconsView:     mode = ViewModeSettings::IconsMode;   break;
1515     case CompactView:   mode = ViewModeSettings::CompactMode; break;
1516     case DetailsView:   mode = ViewModeSettings::DetailsMode; break;
1517     }
1518     const ViewModeSettings settings(mode);
1519     const QSize iconSize = QSize(settings.iconSize(), settings.iconSize());
1520     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(iconSize));
1521 }
1522
1523 void DolphinView::observeCreatedItem(const QUrl& url)
1524 {
1525     if (m_active) {
1526         forceUrlsSelection(url, {url});
1527     }
1528 }
1529
1530 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1531 {
1532     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1533         Q_EMIT redirection(oldUrl, newUrl);
1534         m_url = newUrl; // #186947
1535     }
1536 }
1537
1538 void DolphinView::updateViewState()
1539 {
1540     if (m_currentItemUrl != QUrl()) {
1541         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1542
1543         // if there is a selection already, leave it that way
1544         if (!selectionManager->hasSelection()) {
1545             const int currentIndex = m_model->index(m_currentItemUrl);
1546             if (currentIndex != -1) {
1547                 selectionManager->setCurrentItem(currentIndex);
1548
1549                 // scroll to current item and reset the state
1550                 if (m_scrollToCurrentItem) {
1551                     m_view->scrollToItem(currentIndex);
1552                     m_scrollToCurrentItem = false;
1553                 }
1554             } else {
1555                 selectionManager->setCurrentItem(0);
1556             }
1557         }
1558
1559         m_currentItemUrl = QUrl();
1560     }
1561
1562     if (!m_restoredContentsPosition.isNull()) {
1563         const int x = m_restoredContentsPosition.x();
1564         const int y = m_restoredContentsPosition.y();
1565         m_restoredContentsPosition = QPoint();
1566
1567         m_container->horizontalScrollBar()->setValue(x);
1568         m_container->verticalScrollBar()->setValue(y);
1569     }
1570
1571     if (!m_selectedUrls.isEmpty()) {
1572         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1573
1574         // if there is a selection already, leave it that way
1575         if (!selectionManager->hasSelection()) {
1576             if (m_clearSelectionBeforeSelectingNewItems) {
1577                 selectionManager->clearSelection();
1578                 m_clearSelectionBeforeSelectingNewItems = false;
1579             }
1580
1581             KItemSet selectedItems = selectionManager->selectedItems();
1582
1583             QList<QUrl>::iterator it = m_selectedUrls.begin();
1584             while (it != m_selectedUrls.end()) {
1585                 const int index = m_model->index(*it);
1586                 if (index >= 0) {
1587                     selectedItems.insert(index);
1588                     it = m_selectedUrls.erase(it);
1589                 } else {
1590                     ++it;
1591                 }
1592             }
1593
1594             selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1595             selectionManager->setSelectedItems(selectedItems);
1596         }
1597     }
1598 }
1599
1600 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1601 {
1602 #ifdef HAVE_BALOO
1603     if (GeneralSettings::showToolTips()) {
1604         m_toolTipManager->hideToolTip(behavior);
1605     }
1606 #else
1607         Q_UNUSED(behavior)
1608 #endif
1609 }
1610
1611 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1612 {
1613     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1614
1615     // verify that only one item is selected
1616     if (selectionManager->selectedItems().count() == 1) {
1617         const int index = selectionManager->currentItem();
1618         const QUrl fileItemUrl = m_model->fileItem(index).url();
1619
1620         // check if the selected item was the same item that started the twoClicksRenaming
1621         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1622             renameSelectedItems();
1623         }
1624     }
1625 }
1626
1627 void DolphinView::slotTrashFileFinished(KJob* job)
1628 {
1629     if (job->error() == 0) {
1630         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1631     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1632         Q_EMIT errorMessage(job->errorString());
1633     }
1634 }
1635
1636 void DolphinView::slotDeleteFileFinished(KJob* job)
1637 {
1638     if (job->error() == 0) {
1639         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1640     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1641         Q_EMIT errorMessage(job->errorString());
1642     }
1643 }
1644
1645 void DolphinView::slotRenamingResult(KJob* job)
1646 {
1647     if (job->error()) {
1648         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1649         Q_ASSERT(copyJob);
1650         const QUrl newUrl = copyJob->destUrl();
1651         const int index = m_model->index(newUrl);
1652         if (index >= 0) {
1653             QHash<QByteArray, QVariant> data;
1654             const QUrl oldUrl = copyJob->srcUrls().at(0);
1655             data.insert("text", oldUrl.fileName());
1656             m_model->setData(index, data);
1657         }
1658     }
1659 }
1660
1661 void DolphinView::slotDirectoryLoadingStarted()
1662 {
1663     m_loading = true;
1664     updatePlaceholderLabel();
1665
1666     // Disable the writestate temporary until it can be determined in a fast way
1667     // in DolphinView::slotDirectoryLoadingCompleted()
1668     if (m_isFolderWritable) {
1669         m_isFolderWritable = false;
1670         Q_EMIT writeStateChanged(m_isFolderWritable);
1671     }
1672
1673     Q_EMIT directoryLoadingStarted();
1674 }
1675
1676 void DolphinView::slotDirectoryLoadingCompleted()
1677 {
1678     m_loading = false;
1679
1680     // Update the view-state. This has to be done asynchronously
1681     // because the view might not be in its final state yet.
1682     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1683
1684     // Update the placeholder label in case we found that the folder was empty
1685     // after loading it
1686
1687     Q_EMIT directoryLoadingCompleted();
1688
1689     updatePlaceholderLabel();
1690     updateWritableState();
1691 }
1692
1693 void DolphinView::slotDirectoryLoadingCanceled()
1694 {
1695     m_loading = false;
1696
1697     updatePlaceholderLabel();
1698
1699     Q_EMIT directoryLoadingCanceled();
1700 }
1701
1702 void DolphinView::slotItemsChanged()
1703 {
1704     m_assureVisibleCurrentIndex = false;
1705 }
1706
1707 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1708 {
1709     Q_UNUSED(previous)
1710     Q_ASSERT(m_model->sortOrder() == current);
1711
1712     ViewProperties props(viewPropertiesUrl());
1713     props.setSortOrder(current);
1714
1715     Q_EMIT sortOrderChanged(current);
1716 }
1717
1718 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1719 {
1720     Q_UNUSED(previous)
1721     Q_ASSERT(m_model->sortRole() == current);
1722
1723     ViewProperties props(viewPropertiesUrl());
1724     props.setSortRole(current);
1725
1726     Q_EMIT sortRoleChanged(current);
1727 }
1728
1729 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1730                                                   const QList<QByteArray>& previous)
1731 {
1732     Q_UNUSED(previous)
1733     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1734
1735     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1736
1737     m_visibleRoles = current;
1738
1739     ViewProperties props(viewPropertiesUrl());
1740     props.setVisibleRoles(m_visibleRoles);
1741
1742     Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1743 }
1744
1745 void DolphinView::slotRoleEditingCanceled()
1746 {
1747     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1748                this, &DolphinView::slotRoleEditingFinished);
1749 }
1750
1751 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1752 {
1753     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1754                this, &DolphinView::slotRoleEditingFinished);
1755
1756     const KFileItemList items = selectedItems();
1757     if (items.count() != 1) {
1758         return;
1759     }
1760
1761     if (role == "text") {
1762         const KFileItem oldItem = items.first();
1763         const EditResult retVal = value.value<EditResult>();
1764         const QString newName = retVal.newName;
1765         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1766             const QUrl oldUrl = oldItem.url();
1767
1768             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1769             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1770
1771 #ifndef Q_OS_WIN
1772             //Confirm hiding file/directory by renaming inline
1773             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1774                 KGuiItem yesGuiItem(KStandardGuiItem::yes());
1775                 yesGuiItem.setText(i18nc("@action:button", "Rename and Hide"));
1776
1777                 const auto code = KMessageBox::questionYesNo(this,
1778                                                              oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1779                                                                                      "Do you still want to rename it?")
1780                                                                               : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1781                                                                                      "Do you still want to rename it?"),
1782                                                              oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
1783                                                              yesGuiItem,
1784                                                              KStandardGuiItem::cancel(),
1785                                                              QStringLiteral("ConfirmHide")
1786                                                             );
1787
1788                 if (code == KMessageBox::No) {
1789                    return;
1790                 }
1791             }
1792 #endif
1793
1794             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1795             if (!newNameExistsAlready && m_model->index(oldUrl) == index) {
1796                 // Only change the data in the model if no item with the new name
1797                 // is in the model yet. If there is an item with the new name
1798                 // already, calling KIO::CopyJob will open a dialog
1799                 // asking for a new name, and KFileItemModel will update the
1800                 // data when the dir lister signals that the file name has changed.
1801                 QHash<QByteArray, QVariant> data;
1802                 data.insert(role, retVal.newName);
1803                 m_model->setData(index, data);
1804             }
1805
1806             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1807             KJobWidgets::setWindow(job, this);
1808             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1809             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
1810
1811             forceUrlsSelection(newUrl, {newUrl});
1812
1813             if (!newNameExistsAlready) {
1814                 // Only connect the result signal if there is no item with the new name
1815                 // in the model yet, see bug 328262.
1816                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1817             }
1818         }
1819         if (retVal.direction != EditDone) {
1820             const short indexShift = retVal.direction == EditNext ? 1 : -1;
1821             m_container->controller()->selectionManager()->setSelected(index, 1, KItemListSelectionManager::Deselect);
1822             m_container->controller()->selectionManager()->setSelected(index + indexShift, 1,
1823                     KItemListSelectionManager::Select);
1824             renameSelectedItems();
1825         }
1826     }
1827 }
1828
1829 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1830 {
1831     if (!url.isValid()) {
1832         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1833         if (location.isEmpty()) {
1834             Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."));
1835         } else {
1836             Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1837         }
1838         return;
1839     }
1840
1841     if (reload) {
1842         m_model->refreshDirectory(url);
1843     } else {
1844         m_model->loadDirectory(url);
1845     }
1846 }
1847
1848 void DolphinView::applyViewProperties()
1849 {
1850     const ViewProperties props(viewPropertiesUrl());
1851     applyViewProperties(props);
1852 }
1853
1854 void DolphinView::applyViewProperties(const ViewProperties& props)
1855 {
1856     m_view->beginTransaction();
1857
1858     const Mode mode = props.viewMode();
1859     if (m_mode != mode) {
1860         const Mode previousMode = m_mode;
1861         m_mode = mode;
1862
1863         // Changing the mode might result in changing
1864         // the zoom level. Remember the old zoom level so
1865         // that zoomLevelChanged() can get emitted.
1866         const int oldZoomLevel = m_view->zoomLevel();
1867         applyModeToView();
1868
1869         Q_EMIT modeChanged(m_mode, previousMode);
1870
1871         if (m_view->zoomLevel() != oldZoomLevel) {
1872             Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1873         }
1874     }
1875
1876     const bool hiddenFilesShown = props.hiddenFilesShown();
1877     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1878         m_model->setShowHiddenFiles(hiddenFilesShown);
1879         Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
1880     }
1881
1882     const bool groupedSorting = props.groupedSorting();
1883     if (groupedSorting != m_model->groupedSorting()) {
1884         m_model->setGroupedSorting(groupedSorting);
1885         Q_EMIT groupedSortingChanged(groupedSorting);
1886     }
1887
1888     const QByteArray sortRole = props.sortRole();
1889     if (sortRole != m_model->sortRole()) {
1890         m_model->setSortRole(sortRole);
1891         Q_EMIT sortRoleChanged(sortRole);
1892     }
1893
1894     const Qt::SortOrder sortOrder = props.sortOrder();
1895     if (sortOrder != m_model->sortOrder()) {
1896         m_model->setSortOrder(sortOrder);
1897         Q_EMIT sortOrderChanged(sortOrder);
1898     }
1899
1900     const bool sortFoldersFirst = props.sortFoldersFirst();
1901     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1902         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1903         Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
1904     }
1905
1906     const QList<QByteArray> visibleRoles = props.visibleRoles();
1907     if (visibleRoles != m_visibleRoles) {
1908         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1909         m_visibleRoles = visibleRoles;
1910         m_view->setVisibleRoles(visibleRoles);
1911         Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1912     }
1913
1914     const bool previewsShown = props.previewsShown();
1915     if (previewsShown != m_view->previewsShown()) {
1916         const int oldZoomLevel = zoomLevel();
1917
1918         m_view->setPreviewsShown(previewsShown);
1919         Q_EMIT previewsShownChanged(previewsShown);
1920
1921         // Changing the preview-state might result in a changed zoom-level
1922         if (oldZoomLevel != zoomLevel()) {
1923             Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
1924         }
1925     }
1926
1927     KItemListView* itemListView = m_container->controller()->view();
1928     if (itemListView->isHeaderVisible()) {
1929         KItemListHeader* header = itemListView->header();
1930         const QList<int> headerColumnWidths = props.headerColumnWidths();
1931         const int rolesCount = m_visibleRoles.count();
1932         if (headerColumnWidths.count() == rolesCount) {
1933             header->setAutomaticColumnResizing(false);
1934
1935             QHash<QByteArray, qreal> columnWidths;
1936             for (int i = 0; i < rolesCount; ++i) {
1937                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1938             }
1939             header->setColumnWidths(columnWidths);
1940         } else {
1941             header->setAutomaticColumnResizing(true);
1942         }
1943     }
1944
1945     m_view->endTransaction();
1946 }
1947
1948 void DolphinView::applyModeToView()
1949 {
1950     switch (m_mode) {
1951     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1952     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1953     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1954     default: Q_ASSERT(false); break;
1955     }
1956 }
1957
1958 void DolphinView::pasteToUrl(const QUrl& url)
1959 {
1960     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1961     KJobWidgets::setWindow(job, this);
1962     m_clearSelectionBeforeSelectingNewItems = true;
1963     m_markFirstNewlySelectedItemAsCurrent = true;
1964     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1965     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotJobResult);
1966 }
1967
1968 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1969 {
1970     QList<QUrl> urls;
1971
1972     const KFileItemList items = selectedItems();
1973     urls.reserve(items.count());
1974     for (const KFileItem& item : items) {
1975         urls.append(item.url());
1976     }
1977
1978     if (itemsExpandable()) {
1979         // TODO: Check if we still need KDirModel for this in KDE 5.0
1980         urls = KDirModel::simplifiedUrlList(urls);
1981     }
1982
1983     return urls;
1984 }
1985
1986 QMimeData* DolphinView::selectionMimeData() const
1987 {
1988     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1989     const KItemSet selectedIndexes = selectionManager->selectedItems();
1990
1991     return m_model->createMimeData(selectedIndexes);
1992 }
1993
1994 void DolphinView::updateWritableState()
1995 {
1996     const bool wasFolderWritable = m_isFolderWritable;
1997     m_isFolderWritable = false;
1998
1999     KFileItem item = m_model->rootItem();
2000     if (item.isNull()) {
2001         // Try to find out if the URL is writable even if the "root item" is
2002         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
2003         item = KFileItem(url());
2004         item.setDelayedMimeTypes(true);
2005     }
2006
2007     KFileItemListProperties capabilities(KFileItemList() << item);
2008     m_isFolderWritable = capabilities.supportsWriting();
2009
2010     if (m_isFolderWritable != wasFolderWritable) {
2011         Q_EMIT writeStateChanged(m_isFolderWritable);
2012     }
2013 }
2014
2015 QUrl DolphinView::viewPropertiesUrl() const
2016 {
2017     if (m_viewPropertiesContext.isEmpty()) {
2018         return m_url;
2019     }
2020
2021     QUrl url;
2022     url.setScheme(m_url.scheme());
2023     url.setPath(m_viewPropertiesContext);
2024     return url;
2025 }
2026
2027 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl>& urls)
2028 {
2029     forceUrlsSelection(urls.first(), urls);
2030 }
2031
2032 void DolphinView::forceUrlsSelection(const QUrl& current, const QList<QUrl>& selected)
2033 {
2034     clearSelection();
2035     m_clearSelectionBeforeSelectingNewItems = true;
2036     markUrlAsCurrent(current);
2037     markUrlsAsSelected(selected);
2038 }
2039
2040 void DolphinView::copyPathToClipboard()
2041 {
2042     const KFileItemList list = selectedItems();
2043     if (list.isEmpty()) {
2044         return;
2045     }
2046     const KFileItem& item = list.at(0);
2047     QString path = item.localPath();
2048     if (path.isEmpty()) {
2049         path = item.url().toDisplayString();
2050     }
2051     QClipboard* clipboard = QApplication::clipboard();
2052     if (clipboard == nullptr) {
2053         return;
2054     }
2055     clipboard->setText(path);
2056 }
2057
2058 void DolphinView::slotIncreaseZoom()
2059 {
2060     setZoomLevel(zoomLevel() + 1);
2061 }
2062
2063 void DolphinView::slotDecreaseZoom()
2064 {
2065     setZoomLevel(zoomLevel() - 1);
2066 }
2067
2068 void DolphinView::slotSwipeUp()
2069 {
2070     Q_EMIT goUpRequested();
2071 }
2072
2073 void DolphinView::showLoadingPlaceholder()
2074 {
2075     m_placeholderLabel->setText(i18n("Loading..."));
2076     m_placeholderLabel->setVisible(true);
2077 }
2078
2079 void DolphinView::updatePlaceholderLabel()
2080 {
2081     m_showLoadingPlaceholderTimer->stop();
2082     if (itemsCount() > 0) {
2083         m_placeholderLabel->setVisible(false);
2084         return;
2085     }
2086
2087     if (m_loading) {
2088         m_placeholderLabel->setVisible(false);
2089         m_showLoadingPlaceholderTimer->start();
2090         return;
2091     }
2092
2093     if (!nameFilter().isEmpty()) {
2094         m_placeholderLabel->setText(i18n("No items matching the filter"));
2095     } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
2096         m_placeholderLabel->setText(i18n("No items matching the search"));
2097     } else if (m_url.scheme() == QLatin1String("trash") && m_url.path() == QLatin1String("/")) {
2098         m_placeholderLabel->setText(i18n("Trash is empty"));
2099     } else if (m_url.scheme() == QLatin1String("tags")) {
2100         m_placeholderLabel->setText(i18n("No tags"));
2101     } else if (m_url.scheme() == QLatin1String("recentlyused")) {
2102         m_placeholderLabel->setText(i18n("No recently used items"));
2103     } else if (m_url.scheme() == QLatin1String("smb")) {
2104         m_placeholderLabel->setText(i18n("No shared folders found"));
2105     } else if (m_url.scheme() == QLatin1String("network")) {
2106         m_placeholderLabel->setText(i18n("No relevant network resources found"));
2107     } else if (m_url.scheme() == QLatin1String("mtp") && m_url.path() == QLatin1String("/")) {
2108         m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
2109     } else if (m_url.scheme() == QLatin1String("bluetooth")) {
2110         m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
2111     } else {
2112         m_placeholderLabel->setText(i18n("Folder is empty"));
2113     }
2114
2115     m_placeholderLabel->setVisible(true);
2116 }