src/views/dolphinview.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2006-2009 Peter Penz <peter.penz19@gmail.com>
   3  * SPDX-FileCopyrightText: 2006 Gregor Kališnik <gregor@podnapisi.net>
   4  *
   5  * SPDX-License-Identifier: GPL-2.0-or-later
   6  */
   7
   8 #include "dolphinview.h"
   9
  10 #include "dolphin_detailsmodesettings.h"
  11 #include "dolphin_generalsettings.h"
  12 #include "dolphinitemlistview.h"
  13 #include "dolphinnewfilemenuobserver.h"
  14 #include "draganddrophelper.h"
  15 #include "kitemviews/kfileitemlistview.h"
  16 #include "kitemviews/kfileitemmodel.h"
  17 #include "kitemviews/kitemlistcontainer.h"
  18 #include "kitemviews/kitemlistcontroller.h"
  19 #include "kitemviews/kitemlistheader.h"
  20 #include "kitemviews/kitemlistselectionmanager.h"
  21 #include "kitemviews/private/kitemlistroleeditor.h"
  22 #include "selectionmode/singleclickselectionproxystyle.h"
  23 #include "settings/viewmodes/viewmodesettings.h"
  24 #include "versioncontrol/versioncontrolobserver.h"
  25 #include "viewproperties.h"
  26 #include "views/tooltips/tooltipmanager.h"
  27 #include "zoomlevelinfo.h"
  28
  29 #if HAVE_BALOO
  30 #include <Baloo/IndexerConfig>
  31 #endif
  32 #include <KColorScheme>
  33 #include <KDesktopFile>
  34 #include <KDirModel>
  35 #include <KFileItemListProperties>
  36 #include <KFormat>
  37 #include <KIO/CopyJob>
  38 #include <KIO/DeleteOrTrashJob>
  39 #include <KIO/DropJob>
  40 #include <KIO/JobUiDelegate>
  41 #include <KIO/Paste>
  42 #include <KIO/PasteJob>
  43 #include <KIO/RenameFileDialog>
  44 #include <KJobWidgets>
  45 #include <KLocalizedString>
  46 #include <KMessageBox>
  47 #include <KProtocolManager>
  48 #include <KUrlMimeData>
  49
  50 #include <kwidgetsaddons_version.h>
  51
  52 #include <QAbstractItemView>
  53 #include <QActionGroup>
  54 #include <QApplication>
  55 #include <QClipboard>
  56 #include <QDropEvent>
  57 #include <QGraphicsOpacityEffect>
  58 #include <QGraphicsSceneDragDropEvent>
  59 #include <QLabel>
  60 #include <QMenu>
  61 #include <QMimeDatabase>
  62 #include <QPixmapCache>
  63 #include <QScrollBar>
  64 #include <QSize>
  65 #include <QTimer>
  66 #include <QToolTip>
  67 #include <QVBoxLayout>
  68
  69 DolphinView::DolphinView(const QUrl &url, QWidget *parent)
  70     : QWidget(parent)
  71     , m_active(true)
  72     , m_tabsForFiles(false)
  73     , m_assureVisibleCurrentIndex(false)
  74     , m_isFolderWritable(true)
  75     , m_dragging(false)
  76     , m_selectNextItem(false)
  77     , m_url(url)
  78     , m_viewPropertiesContext()
  79     , m_mode(DolphinView::IconsView)
  80     , m_visibleRoles()
  81     , m_topLayout(nullptr)
  82     , m_model(nullptr)
  83     , m_view(nullptr)
  84     , m_container(nullptr)
  85     , m_toolTipManager(nullptr)
  86     , m_selectionChangedTimer(nullptr)
  87     , m_currentItemUrl()
  88     , m_scrollToCurrentItem(false)
  89     , m_restoredContentsPosition()
  90     , m_controlWheelAccumulatedDelta(0)
  91     , m_selectedUrls()
  92     , m_clearSelectionBeforeSelectingNewItems(false)
  93     , m_markFirstNewlySelectedItemAsCurrent(false)
  94     , m_versionControlObserver(nullptr)
  95     , m_twoClicksRenamingTimer(nullptr)
  96     , m_placeholderLabel(nullptr)
  97     , m_showLoadingPlaceholderTimer(nullptr)
  98 {
  99     m_topLayout = new QVBoxLayout(this);
 100     m_topLayout->setSpacing(0);
 101     m_topLayout->setContentsMargins(0, 0, 0, 0);
 102
 103     // When a new item has been created by the "Create New..." menu, the item should
 104     // get selected and it must be assured that the item will get visible. As the
 105     // creation is done asynchronously, several signals must be checked:
 106     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated, this, &DolphinView::observeCreatedItem);
 107
 108     m_selectionChangedTimer = new QTimer(this);
 109     m_selectionChangedTimer->setSingleShot(true);
 110     m_selectionChangedTimer->setInterval(300);
 111     connect(m_selectionChangedTimer, &QTimer::timeout, this, &DolphinView::emitSelectionChangedSignal);
 112
 113     m_model = new KFileItemModel(this);
 114     m_view = new DolphinItemListView();
 115     m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::FollowSetting);
 116     m_view->setVisibleRoles({"text"});
 117     applyModeToView();
 118
 119     KItemListController *controller = new KItemListController(m_model, m_view, this);
 120     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 121     controller->setAutoActivationDelay(delay);
 122
 123     // The EnlargeSmallPreviews setting can only be changed after the model
 124     // has been set in the view by KItemListController.
 125     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 126
 127     m_container = new KItemListContainer(controller, this);
 128     m_container->installEventFilter(this);
 129 #ifndef QT_NO_ACCESSIBILITY
 130     m_view->setAccessibleParentsObject(m_container);
 131 #endif
 132     setFocusProxy(m_container);
 133     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, [=] {
 134         hideToolTip();
 135     });
 136     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, [=] {
 137         hideToolTip();
 138     });
 139
 140     m_showLoadingPlaceholderTimer = new QTimer(this);
 141     m_showLoadingPlaceholderTimer->setInterval(500);
 142     m_showLoadingPlaceholderTimer->setSingleShot(true);
 143     connect(m_showLoadingPlaceholderTimer, &QTimer::timeout, this, &DolphinView::showLoadingPlaceholder);
 144
 145     // Show some placeholder text for empty folders
 146     // This is made using a heavily-modified QLabel rather than a KTitleWidget
 147     // because KTitleWidget can't be told to turn off mouse-selectable text
 148     m_placeholderLabel = new QLabel(this);
 149     QFont placeholderLabelFont;
 150     // To match the size of a level 2 Heading/KTitleWidget
 151     placeholderLabelFont.setPointSize(qRound(placeholderLabelFont.pointSize() * 1.3));
 152     m_placeholderLabel->setFont(placeholderLabelFont);
 153     m_placeholderLabel->setTextInteractionFlags(Qt::NoTextInteraction);
 154     m_placeholderLabel->setWordWrap(true);
 155     m_placeholderLabel->setAlignment(Qt::AlignCenter);
 156     // Match opacity of QML placeholder label component
 157     auto *effect = new QGraphicsOpacityEffect(m_placeholderLabel);
 158     effect->setOpacity(0.5);
 159     m_placeholderLabel->setGraphicsEffect(effect);
 160     // Set initial text and visibility
 161     updatePlaceholderLabel();
 162
 163     auto *centeringLayout = new QVBoxLayout(m_container);
 164     centeringLayout->addWidget(m_placeholderLabel);
 165     centeringLayout->setAlignment(m_placeholderLabel, Qt::AlignCenter);
 166     m_placeholderLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 167     connect(m_placeholderLabel, &QWidget::customContextMenuRequested, this, [this](const QPoint &pos) {
 168         slotViewContextMenuRequested(m_placeholderLabel->mapToGlobal(pos));
 169     });
 170
 171     controller->setSelectionBehavior(KItemListController::MultiSelection);
 172     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 173     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 174     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 175     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 176     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 177     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 178     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 179     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 180     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 181     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 182     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 183     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 184     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 185     connect(controller, &KItemListController::increaseZoom, this, &DolphinView::slotIncreaseZoom);
 186     connect(controller, &KItemListController::decreaseZoom, this, &DolphinView::slotDecreaseZoom);
 187     connect(controller, &KItemListController::swipeUp, this, &DolphinView::slotSwipeUp);
 188     connect(controller, &KItemListController::selectionModeChangeRequested, this, &DolphinView::selectionModeChangeRequested);
 189
 190     connect(m_model, &KFileItemModel::directoryLoadingStarted, this, &DolphinView::slotDirectoryLoadingStarted);
 191     connect(m_model, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
 192     connect(m_model, &KFileItemModel::directoryLoadingCanceled, this, &DolphinView::slotDirectoryLoadingCanceled);
 193     connect(m_model, &KFileItemModel::directoryLoadingProgress, this, &DolphinView::directoryLoadingProgress);
 194     connect(m_model, &KFileItemModel::directorySortingProgress, this, &DolphinView::directorySortingProgress);
 195     connect(m_model, &KFileItemModel::itemsChanged, this, &DolphinView::slotItemsChanged);
 196     connect(m_model, &KFileItemModel::itemsRemoved, this, &DolphinView::itemCountChanged);
 197     connect(m_model, &KFileItemModel::itemsInserted, this, &DolphinView::itemCountChanged);
 198     connect(m_model, &KFileItemModel::infoMessage, this, &DolphinView::infoMessage);
 199     connect(m_model, &KFileItemModel::errorMessage, this, &DolphinView::errorMessage);
 200     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 201     connect(m_model, &KFileItemModel::urlIsFileError, this, &DolphinView::urlIsFileError);
 202     connect(m_model, &KFileItemModel::fileItemsChanged, this, &DolphinView::fileItemsChanged);
 203     connect(m_model, &KFileItemModel::currentDirectoryRemoved, this, &DolphinView::currentDirectoryRemoved);
 204
 205     connect(this, &DolphinView::itemCountChanged, this, &DolphinView::updatePlaceholderLabel);
 206
 207     m_view->installEventFilter(this);
 208     connect(m_view, &DolphinItemListView::sortOrderChanged, this, &DolphinView::slotSortOrderChangedByHeader);
 209     connect(m_view, &DolphinItemListView::sortRoleChanged, this, &DolphinView::slotSortRoleChangedByHeader);
 210     connect(m_view, &DolphinItemListView::visibleRolesChanged, this, &DolphinView::slotVisibleRolesChangedByHeader);
 211     connect(m_view, &DolphinItemListView::roleEditingCanceled, this, &DolphinView::slotRoleEditingCanceled);
 212
 213     connect(m_view, &DolphinItemListView::columnHovered, this, [this](int columnIndex) {
 214         m_hoveredColumnHeaderIndex = columnIndex;
 215     });
 216     connect(m_view, &DolphinItemListView::columnUnHovered, this, [this](int /* columnIndex */) {
 217         m_hoveredColumnHeaderIndex = std::nullopt;
 218     });
 219     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished, this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 220     connect(m_view->header(), &KItemListHeader::sidePaddingChanged, this, &DolphinView::slotSidePaddingWidthChanged);
 221
 222     KItemListSelectionManager *selectionManager = controller->selectionManager();
 223     connect(selectionManager, &KItemListSelectionManager::selectionChanged, this, &DolphinView::slotSelectionChanged);
 224
 225 #if HAVE_BALOO
 226     m_toolTipManager = new ToolTipManager(this);
 227     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 228 #endif
 229
 230     m_versionControlObserver = new VersionControlObserver(this);
 231     m_versionControlObserver->setView(this);
 232     m_versionControlObserver->setModel(m_model);
 233     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 234     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 235     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 236
 237     m_twoClicksRenamingTimer = new QTimer(this);
 238     m_twoClicksRenamingTimer->setSingleShot(true);
 239     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 240
 241     applyViewProperties();
 242     m_topLayout->addWidget(m_container);
 243
 244     loadDirectory(url);
 245 }
 246
 247 DolphinView::~DolphinView()
 248 {
 249     disconnect(m_container->controller(), &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 250 }
 251
 252 QUrl DolphinView::url() const
 253 {
 254     return m_url;
 255 }
 256
 257 void DolphinView::setActive(bool active)
 258 {
 259     if (active == m_active) {
 260         return;
 261     }
 262
 263     m_active = active;
 264
 265     updatePalette();
 266
 267     if (active) {
 268         m_container->setFocus();
 269         Q_EMIT activated();
 270     }
 271 }
 272
 273 bool DolphinView::isActive() const
 274 {
 275     return m_active;
 276 }
 277
 278 void DolphinView::setViewMode(Mode mode)
 279 {
 280     if (mode != m_mode) {
 281         // Reset scrollbars before changing the view mode.
 282         m_container->horizontalScrollBar()->setValue(0);
 283         m_container->verticalScrollBar()->setValue(0);
 284
 285         ViewProperties props(viewPropertiesUrl());
 286         props.setViewMode(mode);
 287
 288         // We pass the new ViewProperties to applyViewProperties, rather than
 289         // storing them on disk and letting applyViewProperties() read them
 290         // from there, to prevent that changing the view mode fails if the
 291         // .directory file is not writable (see bug 318534).
 292         applyViewProperties(props);
 293     }
 294 }
 295
 296 DolphinView::Mode DolphinView::viewMode() const
 297 {
 298     return m_mode;
 299 }
 300
 301 void DolphinView::setSelectionModeEnabled(const bool enabled)
 302 {
 303     if (enabled) {
 304         if (!m_proxyStyle) {
 305             m_proxyStyle = std::make_unique<SelectionMode::SingleClickSelectionProxyStyle>();
 306         }
 307         setStyle(m_proxyStyle.get());
 308         m_view->setStyle(m_proxyStyle.get());
 309         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::False);
 310     } else {
 311         setStyle(QApplication::style());
 312         m_view->setStyle(QApplication::style());
 313         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::FollowSetting);
 314     }
 315     m_container->controller()->setSelectionModeEnabled(enabled);
 316 }
 317
 318 bool DolphinView::selectionMode() const
 319 {
 320     return m_container->controller()->selectionMode();
 321 }
 322
 323 void DolphinView::setPreviewsShown(bool show)
 324 {
 325     if (previewsShown() == show) {
 326         return;
 327     }
 328
 329     ViewProperties props(viewPropertiesUrl());
 330     props.setPreviewsShown(show);
 331
 332     const int oldZoomLevel = m_view->zoomLevel();
 333     m_view->setPreviewsShown(show);
 334     Q_EMIT previewsShownChanged(show);
 335
 336     const int newZoomLevel = m_view->zoomLevel();
 337     if (newZoomLevel != oldZoomLevel) {
 338         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 339     }
 340 }
 341
 342 bool DolphinView::previewsShown() const
 343 {
 344     return m_view->previewsShown();
 345 }
 346
 347 void DolphinView::setHiddenFilesShown(bool show)
 348 {
 349     if (m_model->showHiddenFiles() == show) {
 350         return;
 351     }
 352
 353     const KFileItemList itemList = selectedItems();
 354     m_selectedUrls.clear();
 355     m_selectedUrls = itemList.urlList();
 356
 357     ViewProperties props(viewPropertiesUrl());
 358     props.setHiddenFilesShown(show);
 359
 360     m_model->setShowHiddenFiles(show);
 361     Q_EMIT hiddenFilesShownChanged(show);
 362 }
 363
 364 bool DolphinView::hiddenFilesShown() const
 365 {
 366     return m_model->showHiddenFiles();
 367 }
 368
 369 void DolphinView::setGroupedSorting(bool grouped)
 370 {
 371     if (grouped == groupedSorting()) {
 372         return;
 373     }
 374
 375     ViewProperties props(viewPropertiesUrl());
 376     props.setGroupedSorting(grouped);
 377     props.save();
 378
 379     m_container->controller()->model()->setGroupedSorting(grouped);
 380
 381     Q_EMIT groupedSortingChanged(grouped);
 382 }
 383
 384 bool DolphinView::groupedSorting() const
 385 {
 386     return m_model->groupedSorting();
 387 }
 388
 389 KFileItemList DolphinView::items() const
 390 {
 391     KFileItemList list;
 392     const int itemCount = m_model->count();
 393     list.reserve(itemCount);
 394
 395     for (int i = 0; i < itemCount; ++i) {
 396         list.append(m_model->fileItem(i));
 397     }
 398
 399     return list;
 400 }
 401
 402 int DolphinView::itemsCount() const
 403 {
 404     return m_model->count();
 405 }
 406
 407 KFileItemList DolphinView::selectedItems() const
 408 {
 409     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 410
 411     KFileItemList selectedItems;
 412     const auto items = selectionManager->selectedItems();
 413     selectedItems.reserve(items.count());
 414     for (int index : items) {
 415         selectedItems.append(m_model->fileItem(index));
 416     }
 417     return selectedItems;
 418 }
 419
 420 int DolphinView::selectedItemsCount() const
 421 {
 422     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 423     return selectionManager->selectedItems().count();
 424 }
 425
 426 void DolphinView::markUrlsAsSelected(const QList<QUrl> &urls)
 427 {
 428     m_selectedUrls = urls;
 429     m_selectJobCreatedItems = false;
 430 }
 431
 432 void DolphinView::markUrlAsCurrent(const QUrl &url)
 433 {
 434     m_currentItemUrl = url;
 435     m_scrollToCurrentItem = true;
 436 }
 437
 438 void DolphinView::selectItems(const QRegularExpression &regexp, bool enabled)
 439 {
 440     const KItemListSelectionManager::SelectionMode mode = enabled ? KItemListSelectionManager::Select : KItemListSelectionManager::Deselect;
 441     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 442
 443     for (int index = 0; index < m_model->count(); index++) {
 444         const KFileItem item = m_model->fileItem(index);
 445         if (regexp.match(item.text()).hasMatch()) {
 446             // An alternative approach would be to store the matching items in a KItemSet and
 447             // select them in one go after the loop, but we'd need a new function
 448             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 449             // for that.
 450             selectionManager->setSelected(index, 1, mode);
 451         }
 452     }
 453 }
 454
 455 void DolphinView::setZoomLevel(int level)
 456 {
 457     const int oldZoomLevel = zoomLevel();
 458     m_view->setZoomLevel(level);
 459     if (zoomLevel() != oldZoomLevel) {
 460         hideToolTip();
 461         Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
 462     }
 463 }
 464
 465 int DolphinView::zoomLevel() const
 466 {
 467     return m_view->zoomLevel();
 468 }
 469
 470 void DolphinView::setSortRole(const QByteArray &role)
 471 {
 472     if (role != sortRole()) {
 473         updateSortRole(role);
 474     }
 475 }
 476
 477 QByteArray DolphinView::sortRole() const
 478 {
 479     const KItemModelBase *model = m_container->controller()->model();
 480     return model->sortRole();
 481 }
 482
 483 void DolphinView::setSortOrder(Qt::SortOrder order)
 484 {
 485     if (sortOrder() != order) {
 486         updateSortOrder(order);
 487     }
 488 }
 489
 490 Qt::SortOrder DolphinView::sortOrder() const
 491 {
 492     return m_model->sortOrder();
 493 }
 494
 495 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 496 {
 497     if (sortFoldersFirst() != foldersFirst) {
 498         updateSortFoldersFirst(foldersFirst);
 499     }
 500 }
 501
 502 bool DolphinView::sortFoldersFirst() const
 503 {
 504     return m_model->sortDirectoriesFirst();
 505 }
 506
 507 void DolphinView::setSortHiddenLast(bool hiddenLast)
 508 {
 509     if (sortHiddenLast() != hiddenLast) {
 510         updateSortHiddenLast(hiddenLast);
 511     }
 512 }
 513
 514 bool DolphinView::sortHiddenLast() const
 515 {
 516     return m_model->sortHiddenLast();
 517 }
 518
 519 void DolphinView::setVisibleRoles(const QList<QByteArray> &roles)
 520 {
 521     const QList<QByteArray> previousRoles = roles;
 522
 523     ViewProperties props(viewPropertiesUrl());
 524     props.setVisibleRoles(roles);
 525
 526     m_visibleRoles = roles;
 527     m_view->setVisibleRoles(roles);
 528
 529     Q_EMIT visibleRolesChanged(m_visibleRoles, previousRoles);
 530 }
 531
 532 QList<QByteArray> DolphinView::visibleRoles() const
 533 {
 534     return m_visibleRoles;
 535 }
 536
 537 void DolphinView::reload()
 538 {
 539     QByteArray viewState;
 540     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 541     saveState(saveStream);
 542
 543     setUrl(url());
 544     loadDirectory(url(), true);
 545
 546     QDataStream restoreStream(viewState);
 547     restoreState(restoreStream);
 548 }
 549
 550 void DolphinView::readSettings()
 551 {
 552     const int oldZoomLevel = m_view->zoomLevel();
 553
 554     GeneralSettings::self()->load();
 555     m_view->readSettings();
 556     applyViewProperties();
 557
 558     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 559     m_container->controller()->setAutoActivationDelay(delay);
 560
 561     const int newZoomLevel = m_view->zoomLevel();
 562     if (newZoomLevel != oldZoomLevel) {
 563         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 564     }
 565 }
 566
 567 void DolphinView::writeSettings()
 568 {
 569     GeneralSettings::self()->save();
 570     m_view->writeSettings();
 571 }
 572
 573 void DolphinView::setNameFilter(const QString &nameFilter)
 574 {
 575     m_model->setNameFilter(nameFilter);
 576 }
 577
 578 QString DolphinView::nameFilter() const
 579 {
 580     return m_model->nameFilter();
 581 }
 582
 583 void DolphinView::setMimeTypeFilters(const QStringList &filters)
 584 {
 585     return m_model->setMimeTypeFilters(filters);
 586 }
 587
 588 QStringList DolphinView::mimeTypeFilters() const
 589 {
 590     return m_model->mimeTypeFilters();
 591 }
 592
 593 void DolphinView::requestStatusBarText()
 594 {
 595     if (m_statJobForStatusBarText) {
 596         // Kill the pending request.
 597         m_statJobForStatusBarText->kill();
 598     }
 599
 600     if (m_container->controller()->selectionManager()->hasSelection()) {
 601         int folderCount = 0;
 602         int fileCount = 0;
 603         KIO::filesize_t totalFileSize = 0;
 604
 605         // Give a summary of the status of the selected files
 606         const KFileItemList list = selectedItems();
 607         for (const KFileItem &item : list) {
 608             if (item.isDir()) {
 609                 ++folderCount;
 610             } else {
 611                 ++fileCount;
 612                 totalFileSize += item.size();
 613             }
 614         }
 615
 616         if (folderCount + fileCount == 1) {
 617             // If only one item is selected, show info about it
 618             Q_EMIT statusBarTextChanged(list.first().getStatusBarInfo());
 619         } else {
 620             // At least 2 items are selected
 621             emitStatusBarText(folderCount, fileCount, totalFileSize, HasSelection);
 622         }
 623     } else { // has no selection
 624         if (!m_model->rootItem().url().isValid()) {
 625             return;
 626         }
 627
 628         m_statJobForStatusBarText = KIO::stat(m_model->rootItem().url(), KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
 629         connect(m_statJobForStatusBarText, &KJob::result, this, &DolphinView::slotStatJobResult);
 630         m_statJobForStatusBarText->start();
 631     }
 632 }
 633
 634 void DolphinView::emitStatusBarText(const int folderCount, const int fileCount, KIO::filesize_t totalFileSize, const Selection selection)
 635 {
 636     QString foldersText;
 637     QString filesText;
 638     QString summary;
 639
 640     if (selection == HasSelection) {
 641         // At least 2 items are selected because the case of 1 selected item is handled in
 642         // DolphinView::requestStatusBarText().
 643         foldersText = i18ncp("@info:status", "1 folder selected", "%1 folders selected", folderCount);
 644         filesText = i18ncp("@info:status", "1 file selected", "%1 files selected", fileCount);
 645     } else {
 646         foldersText = i18ncp("@info:status", "1 folder", "%1 folders", folderCount);
 647         filesText = i18ncp("@info:status", "1 file", "%1 files", fileCount);
 648     }
 649
 650     if (fileCount > 0 && folderCount > 0) {
 651         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)", foldersText, filesText, KFormat().formatByteSize(totalFileSize));
 652     } else if (fileCount > 0) {
 653         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, KFormat().formatByteSize(totalFileSize));
 654     } else if (folderCount > 0) {
 655         summary = foldersText;
 656     } else {
 657         summary = i18nc("@info:status", "0 folders, 0 files");
 658     }
 659     Q_EMIT statusBarTextChanged(summary);
 660 }
 661
 662 QList<QAction *> DolphinView::versionControlActions(const KFileItemList &items) const
 663 {
 664     QList<QAction *> actions;
 665
 666     if (items.isEmpty()) {
 667         const KFileItem item = m_model->rootItem();
 668         if (!item.isNull()) {
 669             actions = m_versionControlObserver->actions(KFileItemList() << item);
 670         }
 671     } else {
 672         actions = m_versionControlObserver->actions(items);
 673     }
 674
 675     return actions;
 676 }
 677
 678 void DolphinView::setUrl(const QUrl &url)
 679 {
 680     if (url == m_url) {
 681         return;
 682     }
 683
 684     clearSelection();
 685
 686     m_url = url;
 687
 688     hideToolTip();
 689
 690     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 691
 692     // It is important to clear the items from the model before
 693     // applying the view properties, otherwise expensive operations
 694     // might be done on the existing items although they get cleared
 695     // anyhow afterwards by loadDirectory().
 696     m_model->clear();
 697     applyViewProperties();
 698     loadDirectory(url);
 699
 700     Q_EMIT urlChanged(url);
 701 }
 702
 703 void DolphinView::selectAll()
 704 {
 705     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 706     selectionManager->setSelected(0, m_model->count());
 707 }
 708
 709 void DolphinView::invertSelection()
 710 {
 711     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 712     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 713 }
 714
 715 void DolphinView::clearSelection()
 716 {
 717     m_selectJobCreatedItems = false;
 718     m_selectedUrls.clear();
 719     m_container->controller()->selectionManager()->clearSelection();
 720 }
 721
 722 void DolphinView::renameSelectedItems()
 723 {
 724     const KFileItemList items = selectedItems();
 725     if (items.isEmpty()) {
 726         return;
 727     }
 728
 729     if (items.count() == 1 && GeneralSettings::renameInline()) {
 730         const int index = m_model->index(items.first());
 731
 732         QMetaObject::Connection *const connection = new QMetaObject::Connection;
 733         *connection = connect(m_view, &KItemListView::scrollingStopped, this, [=]() {
 734             QObject::disconnect(*connection);
 735             delete connection;
 736
 737             m_view->editRole(index, "text");
 738
 739             hideToolTip();
 740
 741             connect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 742         });
 743         m_view->scrollToItem(index);
 744
 745     } else {
 746         KIO::RenameFileDialog *dialog = new KIO::RenameFileDialog(items, this);
 747         connect(dialog, &KIO::RenameFileDialog::renamingFinished, this, &DolphinView::slotRenameDialogRenamingFinished);
 748
 749         dialog->open();
 750     }
 751
 752     // Assure that the current index remains visible when KFileItemModel
 753     // will notify the view about changed items (which might result in
 754     // a changed sorting).
 755     m_assureVisibleCurrentIndex = true;
 756 }
 757
 758 void DolphinView::trashSelectedItems()
 759 {
 760     const QList<QUrl> list = simplifiedSelectedUrls();
 761
 762     using Iface = KIO::AskUserActionInterface;
 763     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Trash, Iface::DefaultConfirmation, this);
 764     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 765     m_selectNextItem = true;
 766     trashJob->start();
 767 }
 768
 769 void DolphinView::deleteSelectedItems()
 770 {
 771     const QList<QUrl> list = simplifiedSelectedUrls();
 772
 773     using Iface = KIO::AskUserActionInterface;
 774     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Delete, Iface::DefaultConfirmation, this);
 775     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 776     m_selectNextItem = true;
 777     trashJob->start();
 778 }
 779
 780 void DolphinView::cutSelectedItemsToClipboard()
 781 {
 782     QMimeData *mimeData = selectionMimeData();
 783     KIO::setClipboardDataCut(mimeData, true);
 784     KUrlMimeData::exportUrlsToPortal(mimeData);
 785     QApplication::clipboard()->setMimeData(mimeData);
 786 }
 787
 788 void DolphinView::copySelectedItemsToClipboard()
 789 {
 790     QMimeData *mimeData = selectionMimeData();
 791     KUrlMimeData::exportUrlsToPortal(mimeData);
 792     QApplication::clipboard()->setMimeData(mimeData);
 793 }
 794
 795 void DolphinView::copySelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 796 {
 797     if (selection.isEmpty() || !destinationUrl.isValid()) {
 798         return;
 799     }
 800
 801     m_clearSelectionBeforeSelectingNewItems = true;
 802     m_markFirstNewlySelectedItemAsCurrent = true;
 803     m_selectJobCreatedItems = true;
 804
 805     KIO::CopyJob *job = KIO::copy(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 806     KJobWidgets::setWindow(job, this);
 807
 808     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 809     connect(job, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
 810     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 811     KIO::FileUndoManager::self()->recordCopyJob(job);
 812 }
 813
 814 void DolphinView::moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 815 {
 816     if (selection.isEmpty() || !destinationUrl.isValid()) {
 817         return;
 818     }
 819
 820     m_clearSelectionBeforeSelectingNewItems = true;
 821     m_markFirstNewlySelectedItemAsCurrent = true;
 822     m_selectJobCreatedItems = true;
 823
 824     KIO::CopyJob *job = KIO::move(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 825     KJobWidgets::setWindow(job, this);
 826
 827     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 828     connect(job, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
 829     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 830     KIO::FileUndoManager::self()->recordCopyJob(job);
 831 }
 832
 833 void DolphinView::paste()
 834 {
 835     pasteToUrl(url());
 836 }
 837
 838 void DolphinView::pasteIntoFolder()
 839 {
 840     const KFileItemList items = selectedItems();
 841     if ((items.count() == 1) && items.first().isDir()) {
 842         pasteToUrl(items.first().url());
 843     }
 844 }
 845
 846 void DolphinView::duplicateSelectedItems()
 847 {
 848     const KFileItemList itemList = selectedItems();
 849     if (itemList.isEmpty()) {
 850         return;
 851     }
 852
 853     const QMimeDatabase db;
 854
 855     // Duplicate all selected items and append "copy" to the end of the file name
 856     // but before the filename extension, if present
 857     QList<QUrl> newSelection;
 858     for (const auto &item : itemList) {
 859         const QUrl originalURL = item.url();
 860         const QString originalDirectoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 861         const QString originalFileName = item.name();
 862
 863         QString extension = db.suffixForFileName(originalFileName);
 864
 865         QUrl duplicateURL = originalURL;
 866
 867         // No extension; new filename is "<oldfilename> copy"
 868         if (extension.isEmpty()) {
 869             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFileName));
 870             // There's an extension; new filename is "<oldfilename> copy.<extension>"
 871         } else {
 872             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 873             extension = QLatin1String(".") + extension;
 874             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 875             // Preserve file's original filename extension in case the casing differs
 876             // from what QMimeDatabase::suffixForFileName() returned
 877             const QString originalExtension = originalFileName.right(extension.size());
 878             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFilenameWithoutExtension) + originalExtension);
 879         }
 880
 881         KIO::CopyJob *job = KIO::copyAs(originalURL, duplicateURL);
 882         KJobWidgets::setWindow(job, this);
 883
 884         if (job) {
 885             newSelection << duplicateURL;
 886             KIO::FileUndoManager::self()->recordCopyJob(job);
 887         }
 888     }
 889
 890     forceUrlsSelection(newSelection.first(), newSelection);
 891 }
 892
 893 void DolphinView::stopLoading()
 894 {
 895     m_model->cancelDirectoryLoading();
 896 }
 897
 898 void DolphinView::updatePalette()
 899 {
 900     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 901     if (!m_active) {
 902         color.setAlpha(150);
 903     }
 904
 905     QWidget *viewport = m_container->viewport();
 906     if (viewport) {
 907         QPalette palette;
 908         palette.setColor(viewport->backgroundRole(), color);
 909         viewport->setPalette(palette);
 910     }
 911
 912     update();
 913 }
 914
 915 void DolphinView::abortTwoClicksRenaming()
 916 {
 917     m_twoClicksRenamingItemUrl.clear();
 918     m_twoClicksRenamingTimer->stop();
 919 }
 920
 921 bool DolphinView::eventFilter(QObject *watched, QEvent *event)
 922 {
 923     switch (event->type()) {
 924     case QEvent::PaletteChange:
 925         updatePalette();
 926         QPixmapCache::clear();
 927         break;
 928
 929     case QEvent::WindowActivate:
 930     case QEvent::WindowDeactivate:
 931         updatePalette();
 932         break;
 933
 934     case QEvent::KeyPress:
 935         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 936         if (GeneralSettings::useTabForSwitchingSplitView()) {
 937             QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
 938             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 939                 Q_EMIT toggleActiveViewRequested();
 940                 return true;
 941             }
 942         }
 943         break;
 944     case QEvent::KeyRelease:
 945         if (static_cast<QKeyEvent *>(event)->key() == Qt::Key_Control) {
 946             m_controlWheelAccumulatedDelta = 0;
 947         }
 948         break;
 949     case QEvent::FocusIn:
 950         if (watched == m_container) {
 951             setActive(true);
 952         }
 953         break;
 954
 955     case QEvent::GraphicsSceneDragEnter:
 956         if (watched == m_view) {
 957             m_dragging = true;
 958             abortTwoClicksRenaming();
 959         }
 960         break;
 961
 962     case QEvent::GraphicsSceneDragLeave:
 963         if (watched == m_view) {
 964             m_dragging = false;
 965         }
 966         break;
 967
 968     case QEvent::GraphicsSceneDrop:
 969         if (watched == m_view) {
 970             m_dragging = false;
 971         }
 972         break;
 973
 974     case QEvent::ToolTip: {
 975         const auto helpEvent = static_cast<QHelpEvent *>(event);
 976         if (tryShowNameToolTip(helpEvent)) {
 977             return true;
 978
 979         } else if (m_hoveredColumnHeaderIndex) {
 980             const auto rolesInfo = KFileItemModel::rolesInformation();
 981             const auto visibleRole = m_visibleRoles.value(*m_hoveredColumnHeaderIndex);
 982
 983             for (const KFileItemModel::RoleInfo &info : rolesInfo) {
 984                 if (visibleRole == info.role) {
 985                     QToolTip::showText(helpEvent->globalPos(), info.tooltip, this);
 986                     return true;
 987                 }
 988             }
 989         }
 990         break;
 991     }
 992     default:
 993         break;
 994     }
 995
 996     return QWidget::eventFilter(watched, event);
 997 }
 998
 999 void DolphinView::wheelEvent(QWheelEvent *event)
1000 {
1001     if (event->modifiers().testFlag(Qt::ControlModifier)) {
1002         m_controlWheelAccumulatedDelta += event->angleDelta().y();
1003
1004         if (m_controlWheelAccumulatedDelta <= -QWheelEvent::DefaultDeltasPerStep) {
1005             slotDecreaseZoom();
1006             m_controlWheelAccumulatedDelta += QWheelEvent::DefaultDeltasPerStep;
1007         } else if (m_controlWheelAccumulatedDelta >= QWheelEvent::DefaultDeltasPerStep) {
1008             slotIncreaseZoom();
1009             m_controlWheelAccumulatedDelta -= QWheelEvent::DefaultDeltasPerStep;
1010         }
1011
1012         event->accept();
1013     } else {
1014         event->ignore();
1015     }
1016 }
1017
1018 void DolphinView::hideEvent(QHideEvent *event)
1019 {
1020     hideToolTip();
1021     QWidget::hideEvent(event);
1022 }
1023
1024 bool DolphinView::event(QEvent *event)
1025 {
1026     if (event->type() == QEvent::WindowDeactivate) {
1027         /* See Bug 297355
1028          * Dolphin leaves file preview tooltips open even when is not visible.
1029          *
1030          * Hide tool-tip when Dolphin loses focus.
1031          */
1032         hideToolTip();
1033         abortTwoClicksRenaming();
1034     }
1035
1036     return QWidget::event(event);
1037 }
1038
1039 void DolphinView::activate()
1040 {
1041     setActive(true);
1042 }
1043
1044 void DolphinView::slotItemActivated(int index)
1045 {
1046     abortTwoClicksRenaming();
1047
1048     const KFileItem item = m_model->fileItem(index);
1049     if (!item.isNull()) {
1050         Q_EMIT itemActivated(item);
1051     }
1052 }
1053
1054 void DolphinView::slotItemsActivated(const KItemSet &indexes)
1055 {
1056     Q_ASSERT(indexes.count() >= 2);
1057
1058     abortTwoClicksRenaming();
1059
1060     const auto modifiers = QGuiApplication::keyboardModifiers();
1061
1062     if (indexes.count() > 5) {
1063         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
1064         const int answer = KMessageBox::warningContinueCancel(
1065             this,
1066             question,
1067             {},
1068             KGuiItem(i18ncp("@action:button", "Open %1 Item", "Open %1 Items", indexes.count()), QStringLiteral("document-open")),
1069             KStandardGuiItem::cancel(),
1070             QStringLiteral("ConfirmOpenManyFolders"));
1071         if (answer != KMessageBox::PrimaryAction && answer != KMessageBox::Continue) {
1072             return;
1073         }
1074     }
1075
1076     KFileItemList items;
1077     items.reserve(indexes.count());
1078
1079     for (int index : indexes) {
1080         KFileItem item = m_model->fileItem(index);
1081         const QUrl &url = openItemAsFolderUrl(item);
1082
1083         if (!url.isEmpty()) {
1084             // Open folders in new tabs or in new windows depending on the modifier
1085             // The ctrl+shift behavior is ignored because we are handling multiple items
1086             // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1087             if (modifiers & Qt::ShiftModifier && !(modifiers & Qt::ControlModifier)) {
1088                 Q_EMIT windowRequested(url);
1089             } else {
1090                 Q_EMIT tabRequested(url);
1091             }
1092         } else {
1093             items.append(item);
1094         }
1095     }
1096
1097     if (items.count() == 1) {
1098         Q_EMIT itemActivated(items.first());
1099     } else if (items.count() > 1) {
1100         Q_EMIT itemsActivated(items);
1101     }
1102 }
1103
1104 void DolphinView::slotItemMiddleClicked(int index)
1105 {
1106     const KFileItem &item = m_model->fileItem(index);
1107     const QUrl &url = openItemAsFolderUrl(item);
1108     const auto modifiers = QGuiApplication::keyboardModifiers();
1109     const QString &archiveProtocol = KProtocolManager::protocolForArchiveMimetype(item.mimetype());
1110     if (!url.isEmpty()) {
1111         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1112         if (modifiers & Qt::ShiftModifier) {
1113             Q_EMIT activeTabRequested(url);
1114         } else {
1115             Q_EMIT tabRequested(url);
1116         }
1117     } else if (!archiveProtocol.isEmpty() && isTabsForFilesEnabled()) {
1118         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1119         if (modifiers & Qt::ShiftModifier) {
1120             Q_EMIT activeTabRequested(item.url());
1121         } else {
1122             Q_EMIT tabRequested(item.url());
1123         }
1124     } else {
1125         Q_EMIT fileMiddleClickActivated(item);
1126     }
1127 }
1128
1129 void DolphinView::slotItemContextMenuRequested(int index, const QPointF &pos)
1130 {
1131     // Force emit of a selection changed signal before we request the
1132     // context menu, to update the edit-actions first. (See Bug 294013)
1133     if (m_selectionChangedTimer->isActive()) {
1134         emitSelectionChangedSignal();
1135     }
1136
1137     const KFileItem item = m_model->fileItem(index);
1138     Q_EMIT requestContextMenu(pos.toPoint(), item, selectedItems(), url());
1139 }
1140
1141 void DolphinView::slotViewContextMenuRequested(const QPointF &pos)
1142 {
1143     Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), selectedItems(), url());
1144 }
1145
1146 void DolphinView::slotHeaderContextMenuRequested(const QPointF &pos)
1147 {
1148     ViewProperties props(viewPropertiesUrl());
1149
1150     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
1151
1152     KItemListView *view = m_container->controller()->view();
1153     const QList<QByteArray> visibleRolesSet = view->visibleRoles();
1154
1155     bool indexingEnabled = false;
1156 #if HAVE_BALOO
1157     Baloo::IndexerConfig config;
1158     indexingEnabled = config.fileIndexingEnabled();
1159 #endif
1160
1161     QString groupName;
1162     QMenu *groupMenu = nullptr;
1163
1164     // Add all roles to the menu that can be shown or hidden by the user
1165     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
1166     for (const KFileItemModel::RoleInfo &info : rolesInfo) {
1167         if (info.role == "text") {
1168             // It should not be possible to hide the "text" role
1169             continue;
1170         }
1171
1172         const QString text = m_model->roleDescription(info.role);
1173         QAction *action = nullptr;
1174         if (info.group.isEmpty()) {
1175             action = menu->addAction(text);
1176         } else {
1177             if (!groupMenu || info.group != groupName) {
1178                 groupName = info.group;
1179                 groupMenu = menu->addMenu(groupName);
1180             }
1181
1182             action = groupMenu->addAction(text);
1183         }
1184
1185         action->setCheckable(true);
1186         action->setChecked(visibleRolesSet.contains(info.role));
1187         action->setData(info.role);
1188         action->setToolTip(info.tooltip);
1189
1190         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) || (info.requiresBaloo) || (info.requiresIndexer && indexingEnabled);
1191         action->setEnabled(enable);
1192     }
1193
1194     menu->addSeparator();
1195
1196     QActionGroup *widthsGroup = new QActionGroup(menu);
1197     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1198
1199     QAction *toggleSidePaddingAction = menu->addAction(i18nc("@action:inmenu", "Side Padding"));
1200     toggleSidePaddingAction->setCheckable(true);
1201     toggleSidePaddingAction->setChecked(view->header()->sidePadding() > 0);
1202
1203     QAction *autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1204     autoAdjustWidthsAction->setCheckable(true);
1205     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1206     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1207
1208     QAction *customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1209     customWidthsAction->setCheckable(true);
1210     customWidthsAction->setChecked(!autoColumnWidths);
1211     customWidthsAction->setActionGroup(widthsGroup);
1212
1213     QAction *action = menu->exec(pos.toPoint());
1214     if (menu && action) {
1215         KItemListHeader *header = view->header();
1216
1217         if (action == autoAdjustWidthsAction) {
1218             // Clear the column-widths from the viewproperties and turn on
1219             // the automatic resizing of the columns
1220             props.setHeaderColumnWidths(QList<int>());
1221             header->setAutomaticColumnResizing(true);
1222         } else if (action == customWidthsAction) {
1223             // Apply the current column-widths as custom column-widths and turn
1224             // off the automatic resizing of the columns
1225             QList<int> columnWidths;
1226             const auto visibleRoles = view->visibleRoles();
1227             columnWidths.reserve(visibleRoles.count());
1228             for (const QByteArray &role : visibleRoles) {
1229                 columnWidths.append(header->columnWidth(role));
1230             }
1231             props.setHeaderColumnWidths(columnWidths);
1232             header->setAutomaticColumnResizing(false);
1233         } else if (action == toggleSidePaddingAction) {
1234             header->setSidePadding(toggleSidePaddingAction->isChecked() ? 20 : 0);
1235         } else {
1236             // Show or hide the selected role
1237             const QByteArray selectedRole = action->data().toByteArray();
1238
1239             QList<QByteArray> visibleRoles = view->visibleRoles();
1240             if (action->isChecked()) {
1241                 visibleRoles.append(selectedRole);
1242             } else {
1243                 visibleRoles.removeOne(selectedRole);
1244             }
1245
1246             view->setVisibleRoles(visibleRoles);
1247             props.setVisibleRoles(visibleRoles);
1248
1249             QList<int> columnWidths;
1250             if (!header->automaticColumnResizing()) {
1251                 const auto visibleRoles = view->visibleRoles();
1252                 columnWidths.reserve(visibleRoles.count());
1253                 for (const QByteArray &role : visibleRoles) {
1254                     columnWidths.append(header->columnWidth(role));
1255                 }
1256             }
1257             props.setHeaderColumnWidths(columnWidths);
1258         }
1259     }
1260
1261     delete menu;
1262 }
1263
1264 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray &role, qreal current)
1265 {
1266     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1267
1268     ViewProperties props(viewPropertiesUrl());
1269     QList<int> columnWidths = props.headerColumnWidths();
1270     if (columnWidths.count() != visibleRoles.count()) {
1271         columnWidths.clear();
1272         columnWidths.reserve(visibleRoles.count());
1273         const KItemListHeader *header = m_view->header();
1274         for (const QByteArray &role : visibleRoles) {
1275             const int width = header->columnWidth(role);
1276             columnWidths.append(width);
1277         }
1278     }
1279
1280     const int roleIndex = visibleRoles.indexOf(role);
1281     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1282     columnWidths[roleIndex] = current;
1283
1284     props.setHeaderColumnWidths(columnWidths);
1285 }
1286
1287 void DolphinView::slotSidePaddingWidthChanged(qreal width)
1288 {
1289     ViewProperties props(viewPropertiesUrl());
1290     DetailsModeSettings::setSidePadding(int(width));
1291     m_view->writeSettings();
1292 }
1293
1294 void DolphinView::slotItemHovered(int index)
1295 {
1296     const KFileItem item = m_model->fileItem(index);
1297
1298     if (GeneralSettings::showToolTips() && !m_dragging) {
1299         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1300         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1301         itemRect.moveTo(pos);
1302
1303 #if HAVE_BALOO
1304         auto nativeParent = nativeParentWidget();
1305         if (nativeParent) {
1306             m_toolTipManager->showToolTip(item, itemRect, nativeParent->windowHandle());
1307         }
1308 #endif
1309     }
1310
1311     Q_EMIT requestItemInfo(item);
1312 }
1313
1314 void DolphinView::slotItemUnhovered(int index)
1315 {
1316     Q_UNUSED(index)
1317     hideToolTip();
1318     Q_EMIT requestItemInfo(KFileItem());
1319 }
1320
1321 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent *event)
1322 {
1323     QUrl destUrl;
1324     KFileItem destItem = m_model->fileItem(index);
1325     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1326         // Use the URL of the view as drop target if the item is no directory
1327         // or desktop-file
1328         destItem = m_model->rootItem();
1329         destUrl = url();
1330     } else {
1331         // The item represents a directory or desktop-file
1332         destUrl = destItem.mostLocalUrl();
1333     }
1334
1335     QDropEvent dropEvent(event->pos().toPoint(), event->possibleActions(), event->mimeData(), event->buttons(), event->modifiers());
1336     dropUrls(destUrl, &dropEvent, this);
1337
1338     setActive(true);
1339 }
1340
1341 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1342 {
1343     KIO::DropJob *job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1344
1345     if (job) {
1346         connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
1347
1348         if (destUrl == url()) {
1349             // Mark the dropped urls as selected.
1350             m_clearSelectionBeforeSelectingNewItems = true;
1351             m_markFirstNewlySelectedItemAsCurrent = true;
1352             m_selectJobCreatedItems = true;
1353             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1354             connect(job, &KIO::DropJob::copyJobStarted, this, [this](const KIO::CopyJob *copyJob) {
1355                 connect(copyJob, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
1356                 connect(copyJob, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
1357                 connect(copyJob, &KIO::CopyJob::linking, this, [this](KIO::Job *job, const QString &src, const QUrl &dest) {
1358                     Q_UNUSED(job)
1359                     Q_UNUSED(src)
1360                     slotItemCreated(dest);
1361                 });
1362             });
1363         }
1364     }
1365 }
1366
1367 void DolphinView::slotModelChanged(KItemModelBase *current, KItemModelBase *previous)
1368 {
1369     if (previous != nullptr) {
1370         Q_ASSERT(qobject_cast<KFileItemModel *>(previous));
1371         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(previous);
1372         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1373         m_versionControlObserver->setModel(nullptr);
1374     }
1375
1376     if (current) {
1377         Q_ASSERT(qobject_cast<KFileItemModel *>(current));
1378         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(current);
1379         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1380         m_versionControlObserver->setModel(fileItemModel);
1381     }
1382 }
1383
1384 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1385 {
1386     Q_UNUSED(itemIndex)
1387
1388     hideToolTip();
1389
1390     if (buttons & Qt::BackButton) {
1391         Q_EMIT goBackRequested();
1392     } else if (buttons & Qt::ForwardButton) {
1393         Q_EMIT goForwardRequested();
1394     }
1395 }
1396
1397 void DolphinView::slotSelectedItemTextPressed(int index)
1398 {
1399     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1400         const KFileItem item = m_model->fileItem(index);
1401         const KFileItemListProperties capabilities(KFileItemList() << item);
1402         if (capabilities.supportsMoving()) {
1403             m_twoClicksRenamingItemUrl = item.url();
1404             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1405         }
1406     }
1407 }
1408
1409 void DolphinView::slotItemCreatedFromJob(KIO::Job *, const QUrl &, const QUrl &to)
1410 {
1411     slotItemCreated(to);
1412 }
1413
1414 void DolphinView::slotItemCreated(const QUrl &url)
1415 {
1416     if (m_markFirstNewlySelectedItemAsCurrent) {
1417         markUrlAsCurrent(url);
1418         m_markFirstNewlySelectedItemAsCurrent = false;
1419     }
1420     if (m_selectJobCreatedItems && !m_selectedUrls.contains(url)) {
1421         m_selectedUrls << url;
1422     }
1423 }
1424
1425 void DolphinView::onDirectoryLoadingCompleted()
1426 {
1427     // the model should now contain all the items created by the job
1428     updateSelectionState();
1429     m_selectJobCreatedItems = false;
1430     m_selectedUrls.clear();
1431 }
1432
1433 void DolphinView::slotJobResult(KJob *job)
1434 {
1435     if (job->error() && job->error() != KIO::ERR_USER_CANCELED) {
1436         Q_EMIT errorMessage(job->errorString());
1437     }
1438     if (!m_selectJobCreatedItems) {
1439         m_selectedUrls.clear();
1440         return;
1441     }
1442     if (!m_selectedUrls.isEmpty()) {
1443         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1444
1445         updateSelectionState();
1446         if (!m_selectedUrls.isEmpty()) {
1447             // not all urls were found, the model may not be up to date
1448             connect(m_model, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::onDirectoryLoadingCompleted, Qt::UniqueConnection);
1449         } else {
1450             m_selectJobCreatedItems = false;
1451             m_selectedUrls.clear();
1452         }
1453     }
1454 }
1455
1456 void DolphinView::slotSelectionChanged(const KItemSet &current, const KItemSet &previous)
1457 {
1458     m_selectNextItem = false;
1459     const int currentCount = current.count();
1460     const int previousCount = previous.count();
1461     const bool selectionStateChanged = (currentCount == 0 && previousCount > 0) || (currentCount > 0 && previousCount == 0);
1462
1463     // If nothing has been selected before and something got selected (or if something
1464     // was selected before and now nothing is selected) the selectionChangedSignal must
1465     // be emitted asynchronously as fast as possible to update the edit-actions.
1466     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1467     m_selectionChangedTimer->start();
1468 }
1469
1470 void DolphinView::emitSelectionChangedSignal()
1471 {
1472     m_selectionChangedTimer->stop();
1473     Q_EMIT selectionChanged(selectedItems());
1474 }
1475
1476 void DolphinView::slotStatJobResult(KJob *job)
1477 {
1478     int folderCount = 0;
1479     int fileCount = 0;
1480     KIO::filesize_t totalFileSize = 0;
1481     bool countFileSize = true;
1482
1483     const auto entry = static_cast<KIO::StatJob *>(job)->statResult();
1484     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1485         // We have a precomputed value.
1486         totalFileSize = static_cast<KIO::filesize_t>(entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1487         countFileSize = false;
1488     }
1489
1490     const int itemCount = m_model->count();
1491     for (int i = 0; i < itemCount; ++i) {
1492         const KFileItem item = m_model->fileItem(i);
1493         if (item.isDir()) {
1494             ++folderCount;
1495         } else {
1496             ++fileCount;
1497             if (countFileSize) {
1498                 totalFileSize += item.size();
1499             }
1500         }
1501     }
1502     emitStatusBarText(folderCount, fileCount, totalFileSize, NoSelection);
1503 }
1504
1505 void DolphinView::updateSortRole(const QByteArray &role)
1506 {
1507     ViewProperties props(viewPropertiesUrl());
1508     props.setSortRole(role);
1509
1510     KItemModelBase *model = m_container->controller()->model();
1511     model->setSortRole(role);
1512
1513     Q_EMIT sortRoleChanged(role);
1514 }
1515
1516 void DolphinView::updateSortOrder(Qt::SortOrder order)
1517 {
1518     ViewProperties props(viewPropertiesUrl());
1519     props.setSortOrder(order);
1520
1521     m_model->setSortOrder(order);
1522
1523     Q_EMIT sortOrderChanged(order);
1524 }
1525
1526 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1527 {
1528     ViewProperties props(viewPropertiesUrl());
1529     props.setSortFoldersFirst(foldersFirst);
1530
1531     m_model->setSortDirectoriesFirst(foldersFirst);
1532
1533     Q_EMIT sortFoldersFirstChanged(foldersFirst);
1534 }
1535
1536 void DolphinView::updateSortHiddenLast(bool hiddenLast)
1537 {
1538     ViewProperties props(viewPropertiesUrl());
1539     props.setSortHiddenLast(hiddenLast);
1540
1541     m_model->setSortHiddenLast(hiddenLast);
1542
1543     Q_EMIT sortHiddenLastChanged(hiddenLast);
1544 }
1545
1546 QPair<bool, QString> DolphinView::pasteInfo() const
1547 {
1548     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1549     QPair<bool, QString> info;
1550     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1551     return info;
1552 }
1553
1554 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1555 {
1556     m_tabsForFiles = tabsForFiles;
1557 }
1558
1559 bool DolphinView::isTabsForFilesEnabled() const
1560 {
1561     return m_tabsForFiles;
1562 }
1563
1564 bool DolphinView::itemsExpandable() const
1565 {
1566     return m_mode == DetailsView;
1567 }
1568
1569 bool DolphinView::isExpanded(const KFileItem &item) const
1570 {
1571     Q_ASSERT(item.isDir());
1572     Q_ASSERT(items().contains(item));
1573     if (!itemsExpandable()) {
1574         return false;
1575     }
1576     return m_model->isExpanded(m_model->index(item));
1577 }
1578
1579 void DolphinView::restoreState(QDataStream &stream)
1580 {
1581     // Read the version number of the view state and check if the version is supported.
1582     quint32 version = 0;
1583     stream >> version;
1584     if (version != 1) {
1585         // The version of the view state isn't supported, we can't restore it.
1586         return;
1587     }
1588
1589     // Restore the current item that had the keyboard focus
1590     stream >> m_currentItemUrl;
1591
1592     // Restore the previously selected items
1593     stream >> m_selectedUrls;
1594
1595     // Restore the view position
1596     stream >> m_restoredContentsPosition;
1597
1598     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1599     QSet<QUrl> urls;
1600     stream >> urls;
1601     m_model->restoreExpandedDirectories(urls);
1602 }
1603
1604 void DolphinView::saveState(QDataStream &stream)
1605 {
1606     stream << quint32(1); // View state version
1607
1608     // Save the current item that has the keyboard focus
1609     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1610     if (currentIndex != -1) {
1611         KFileItem item = m_model->fileItem(currentIndex);
1612         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1613         QUrl currentItemUrl = item.url();
1614         stream << currentItemUrl;
1615     } else {
1616         stream << QUrl();
1617     }
1618
1619     // Save the selected urls
1620     stream << selectedItems().urlList();
1621
1622     // Save view position
1623     const qreal x = m_container->horizontalScrollBar()->value();
1624     const qreal y = m_container->verticalScrollBar()->value();
1625     stream << QPoint(x, y);
1626
1627     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1628     stream << m_model->expandedDirectories();
1629 }
1630
1631 KFileItem DolphinView::rootItem() const
1632 {
1633     return m_model->rootItem();
1634 }
1635
1636 void DolphinView::setViewPropertiesContext(const QString &context)
1637 {
1638     m_viewPropertiesContext = context;
1639 }
1640
1641 QString DolphinView::viewPropertiesContext() const
1642 {
1643     return m_viewPropertiesContext;
1644 }
1645
1646 QUrl DolphinView::openItemAsFolderUrl(const KFileItem &item, const bool browseThroughArchives)
1647 {
1648     if (item.isNull()) {
1649         return QUrl();
1650     }
1651
1652     QUrl url = item.targetUrl();
1653
1654     if (item.isDir()) {
1655         return url;
1656     }
1657
1658     if (item.isMimeTypeKnown()) {
1659         const QString &mimetype = item.mimetype();
1660
1661         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1662             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1663             // zip:/<path>/ when clicking on a zip file, etc.
1664             // The .protocol file specifies the mimetype that the kioslave handles.
1665             // Note that we don't use mimetype inheritance since we don't want to
1666             // open OpenDocument files as zip folders...
1667             const QString &protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1668             if (!protocol.isEmpty()) {
1669                 url.setScheme(protocol);
1670                 return url;
1671             }
1672         }
1673
1674         if (mimetype == QLatin1String("application/x-desktop")) {
1675             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1676             KDesktopFile desktopFile(url.toLocalFile());
1677             if (desktopFile.hasLinkType()) {
1678                 const QString linkUrl = desktopFile.readUrl();
1679                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1680                     return QUrl::fromUserInput(linkUrl);
1681                 }
1682             }
1683         }
1684     }
1685
1686     return QUrl();
1687 }
1688
1689 void DolphinView::resetZoomLevel()
1690 {
1691     ViewModeSettings settings{m_mode};
1692     settings.useDefaults(true);
1693     const int defaultIconSize = settings.iconSize();
1694     settings.useDefaults(false);
1695
1696     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(QSize(defaultIconSize, defaultIconSize)));
1697 }
1698
1699 void DolphinView::observeCreatedItem(const QUrl &url)
1700 {
1701     if (m_active) {
1702         forceUrlsSelection(url, {url});
1703     }
1704 }
1705
1706 void DolphinView::slotDirectoryRedirection(const QUrl &oldUrl, const QUrl &newUrl)
1707 {
1708     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1709         Q_EMIT redirection(oldUrl, newUrl);
1710         m_url = newUrl; // #186947
1711     }
1712 }
1713
1714 void DolphinView::updateSelectionState()
1715 {
1716     if (!m_selectedUrls.isEmpty()) {
1717         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1718
1719         // if there is a selection already, leave it that way
1720         // unless some drop/paste job are in the process of creating items
1721         if (!selectionManager->hasSelection() || m_selectJobCreatedItems) {
1722             if (m_clearSelectionBeforeSelectingNewItems) {
1723                 selectionManager->clearSelection();
1724                 m_clearSelectionBeforeSelectingNewItems = false;
1725             }
1726
1727             KItemSet selectedItems = selectionManager->selectedItems();
1728
1729             QList<QUrl>::iterator it = m_selectedUrls.begin();
1730             while (it != m_selectedUrls.end()) {
1731                 const int index = m_model->index(*it);
1732                 if (index >= 0) {
1733                     selectedItems.insert(index);
1734                     it = m_selectedUrls.erase(it);
1735                 } else {
1736                     ++it;
1737                 }
1738             }
1739
1740             if (!selectedItems.isEmpty()) {
1741                 selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1742                 selectionManager->setSelectedItems(selectedItems);
1743             }
1744         }
1745     }
1746 }
1747
1748 void DolphinView::updateViewState()
1749 {
1750     if (m_currentItemUrl != QUrl()) {
1751         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1752
1753         // if there is a selection already, leave it that way
1754         if (!selectionManager->hasSelection()) {
1755             const int currentIndex = m_model->index(m_currentItemUrl);
1756             if (currentIndex != -1) {
1757                 selectionManager->setCurrentItem(currentIndex);
1758
1759                 // scroll to current item and reset the state
1760                 if (m_scrollToCurrentItem) {
1761                     m_view->scrollToItem(currentIndex, KItemListView::ViewItemPosition::Middle);
1762                     m_scrollToCurrentItem = false;
1763                 }
1764                 m_currentItemUrl = QUrl();
1765             } else {
1766                 selectionManager->setCurrentItem(0);
1767             }
1768         } else {
1769             m_currentItemUrl = QUrl();
1770         }
1771     }
1772
1773     if (!m_restoredContentsPosition.isNull()) {
1774         const int x = m_restoredContentsPosition.x();
1775         const int y = m_restoredContentsPosition.y();
1776         m_restoredContentsPosition = QPoint();
1777
1778         m_container->horizontalScrollBar()->setValue(x);
1779         m_container->verticalScrollBar()->setValue(y);
1780     }
1781
1782     updateSelectionState();
1783 }
1784
1785 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1786 {
1787     if (GeneralSettings::showToolTips()) {
1788 #if HAVE_BALOO
1789         m_toolTipManager->hideToolTip(behavior);
1790 #else
1791         Q_UNUSED(behavior)
1792 #endif
1793     } else if (m_mode == DolphinView::IconsView) {
1794         QToolTip::hideText();
1795     }
1796 }
1797
1798 bool DolphinView::handleSpaceAsNormalKey() const
1799 {
1800     return !m_container->hasFocus() || m_container->controller()->isSearchAsYouTypeActive();
1801 }
1802
1803 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1804 {
1805     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1806
1807     // verify that only one item is selected
1808     if (selectionManager->selectedItems().count() == 1) {
1809         const int index = selectionManager->currentItem();
1810         const QUrl fileItemUrl = m_model->fileItem(index).url();
1811
1812         // check if the selected item was the same item that started the twoClicksRenaming
1813         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1814             renameSelectedItems();
1815         }
1816     }
1817 }
1818
1819 void DolphinView::slotTrashFileFinished(KJob *job)
1820 {
1821     if (job->error() == 0) {
1822         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1823         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1824     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1825         Q_EMIT errorMessage(job->errorString());
1826     }
1827 }
1828
1829 void DolphinView::slotDeleteFileFinished(KJob *job)
1830 {
1831     if (job->error() == 0) {
1832         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1833         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1834     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1835         Q_EMIT errorMessage(job->errorString());
1836     }
1837 }
1838
1839 void DolphinView::selectNextItem()
1840 {
1841     if (m_active && m_selectNextItem) {
1842         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1843         if (selectedItems().isEmpty()) {
1844             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1845             return;
1846         }
1847         const auto lastSelectedIndex = m_model->index(selectedItems().last());
1848         if (lastSelectedIndex < 0) {
1849             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1850             return;
1851         }
1852         auto nextItem = lastSelectedIndex + 1;
1853         if (nextItem >= itemsCount()) {
1854             nextItem = lastSelectedIndex - selectedItemsCount();
1855         }
1856         if (nextItem >= 0) {
1857             selectionManager->setSelected(nextItem, 1);
1858         }
1859         m_selectNextItem = false;
1860     }
1861 }
1862
1863 void DolphinView::slotRenamingResult(KJob *job)
1864 {
1865     if (job->error()) {
1866         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1867         Q_ASSERT(copyJob);
1868         const QUrl newUrl = copyJob->destUrl();
1869         const int index = m_model->index(newUrl);
1870         if (index >= 0) {
1871             QHash<QByteArray, QVariant> data;
1872             const QUrl oldUrl = copyJob->srcUrls().at(0);
1873             data.insert("text", oldUrl.fileName());
1874             m_model->setData(index, data);
1875         }
1876     }
1877 }
1878
1879 void DolphinView::slotDirectoryLoadingStarted()
1880 {
1881     m_loadingState = LoadingState::Loading;
1882     updatePlaceholderLabel();
1883
1884     // Disable the writestate temporary until it can be determined in a fast way
1885     // in DolphinView::slotDirectoryLoadingCompleted()
1886     if (m_isFolderWritable) {
1887         m_isFolderWritable = false;
1888         Q_EMIT writeStateChanged(m_isFolderWritable);
1889     }
1890
1891     Q_EMIT directoryLoadingStarted();
1892 }
1893
1894 void DolphinView::slotDirectoryLoadingCompleted()
1895 {
1896     m_loadingState = LoadingState::Completed;
1897
1898     // Update the view-state. This has to be done asynchronously
1899     // because the view might not be in its final state yet.
1900     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1901
1902     // Update the placeholder label in case we found that the folder was empty
1903     // after loading it
1904
1905     Q_EMIT directoryLoadingCompleted();
1906
1907     updatePlaceholderLabel();
1908     updateWritableState();
1909 }
1910
1911 void DolphinView::slotDirectoryLoadingCanceled()
1912 {
1913     m_loadingState = LoadingState::Canceled;
1914
1915     updatePlaceholderLabel();
1916
1917     Q_EMIT directoryLoadingCanceled();
1918 }
1919
1920 void DolphinView::slotItemsChanged()
1921 {
1922     m_assureVisibleCurrentIndex = false;
1923 }
1924
1925 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1926 {
1927     Q_UNUSED(previous)
1928     Q_ASSERT(m_model->sortOrder() == current);
1929
1930     ViewProperties props(viewPropertiesUrl());
1931     props.setSortOrder(current);
1932
1933     Q_EMIT sortOrderChanged(current);
1934 }
1935
1936 void DolphinView::slotSortRoleChangedByHeader(const QByteArray &current, const QByteArray &previous)
1937 {
1938     Q_UNUSED(previous)
1939     Q_ASSERT(m_model->sortRole() == current);
1940
1941     ViewProperties props(viewPropertiesUrl());
1942     props.setSortRole(current);
1943
1944     Q_EMIT sortRoleChanged(current);
1945 }
1946
1947 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray> &current, const QList<QByteArray> &previous)
1948 {
1949     Q_UNUSED(previous)
1950     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1951
1952     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1953
1954     m_visibleRoles = current;
1955
1956     ViewProperties props(viewPropertiesUrl());
1957     props.setVisibleRoles(m_visibleRoles);
1958
1959     Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1960 }
1961
1962 void DolphinView::slotRoleEditingCanceled()
1963 {
1964     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1965 }
1966
1967 void DolphinView::slotRoleEditingFinished(int index, const QByteArray &role, const QVariant &value)
1968 {
1969     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1970
1971     const KFileItemList items = selectedItems();
1972     if (items.count() != 1) {
1973         return;
1974     }
1975
1976     if (role == "text") {
1977         const KFileItem oldItem = items.first();
1978         const EditResult retVal = value.value<EditResult>();
1979         const QString newName = retVal.newName;
1980         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1981             const QUrl oldUrl = oldItem.url();
1982
1983             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1984             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1985
1986 #ifndef Q_OS_WIN
1987             // Confirm hiding file/directory by renaming inline
1988             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1989                 KGuiItem yesGuiItem(i18nc("@action:button", "Rename and Hide"), QStringLiteral("view-hidden"));
1990
1991                 const auto code =
1992                     KMessageBox::questionTwoActions(this,
1993                                                     oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1994                                                                             "Do you still want to rename it?")
1995                                                                      : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1996                                                                             "Do you still want to rename it?"),
1997                                                     oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
1998                                                     yesGuiItem,
1999                                                     KStandardGuiItem::cancel(),
2000                                                     QStringLiteral("ConfirmHide"));
2001
2002                 if (code == KMessageBox::SecondaryAction) {
2003                     return;
2004                 }
2005             }
2006 #endif
2007
2008             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
2009             if (!newNameExistsAlready && m_model->index(oldUrl) == index) {
2010                 // Only change the data in the model if no item with the new name
2011                 // is in the model yet. If there is an item with the new name
2012                 // already, calling KIO::CopyJob will open a dialog
2013                 // asking for a new name, and KFileItemModel will update the
2014                 // data when the dir lister signals that the file name has changed.
2015                 QHash<QByteArray, QVariant> data;
2016                 data.insert(role, retVal.newName);
2017                 m_model->setData(index, data);
2018             }
2019
2020             KIO::Job *job = KIO::moveAs(oldUrl, newUrl);
2021             KJobWidgets::setWindow(job, this);
2022             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
2023             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
2024
2025             if (!newNameExistsAlready) {
2026                 forceUrlsSelection(newUrl, {newUrl});
2027
2028                 // Only connect the result signal if there is no item with the new name
2029                 // in the model yet, see bug 328262.
2030                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
2031             }
2032         }
2033         if (retVal.direction != EditDone) {
2034             const short indexShift = retVal.direction == EditNext ? 1 : -1;
2035             m_container->controller()->selectionManager()->setSelected(index, 1, KItemListSelectionManager::Deselect);
2036             m_container->controller()->selectionManager()->setSelected(index + indexShift, 1, KItemListSelectionManager::Select);
2037             renameSelectedItems();
2038         }
2039     }
2040 }
2041
2042 void DolphinView::loadDirectory(const QUrl &url, bool reload)
2043 {
2044     if (!url.isValid()) {
2045         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
2046         if (location.isEmpty()) {
2047             Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."));
2048         } else {
2049             Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
2050         }
2051         return;
2052     }
2053
2054     if (reload) {
2055         m_model->refreshDirectory(url);
2056     } else {
2057         m_model->loadDirectory(url);
2058     }
2059 }
2060
2061 void DolphinView::applyViewProperties()
2062 {
2063     const ViewProperties props(viewPropertiesUrl());
2064     applyViewProperties(props);
2065 }
2066
2067 void DolphinView::applyViewProperties(const ViewProperties &props)
2068 {
2069     m_view->beginTransaction();
2070
2071     const Mode mode = props.viewMode();
2072     if (m_mode != mode) {
2073         const Mode previousMode = m_mode;
2074         m_mode = mode;
2075
2076         // Changing the mode might result in changing
2077         // the zoom level. Remember the old zoom level so
2078         // that zoomLevelChanged() can get emitted.
2079         const int oldZoomLevel = m_view->zoomLevel();
2080         applyModeToView();
2081
2082         Q_EMIT modeChanged(m_mode, previousMode);
2083
2084         if (m_view->zoomLevel() != oldZoomLevel) {
2085             Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
2086         }
2087     }
2088
2089     const bool hiddenFilesShown = props.hiddenFilesShown();
2090     if (hiddenFilesShown != m_model->showHiddenFiles()) {
2091         m_model->setShowHiddenFiles(hiddenFilesShown);
2092         Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
2093     }
2094
2095     const bool groupedSorting = props.groupedSorting();
2096     if (groupedSorting != m_model->groupedSorting()) {
2097         m_model->setGroupedSorting(groupedSorting);
2098         Q_EMIT groupedSortingChanged(groupedSorting);
2099     }
2100
2101     const QByteArray sortRole = props.sortRole();
2102     if (sortRole != m_model->sortRole()) {
2103         m_model->setSortRole(sortRole);
2104         Q_EMIT sortRoleChanged(sortRole);
2105     }
2106
2107     const Qt::SortOrder sortOrder = props.sortOrder();
2108     if (sortOrder != m_model->sortOrder()) {
2109         m_model->setSortOrder(sortOrder);
2110         Q_EMIT sortOrderChanged(sortOrder);
2111     }
2112
2113     const bool sortFoldersFirst = props.sortFoldersFirst();
2114     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
2115         m_model->setSortDirectoriesFirst(sortFoldersFirst);
2116         Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
2117     }
2118
2119     const bool sortHiddenLast = props.sortHiddenLast();
2120     if (sortHiddenLast != m_model->sortHiddenLast()) {
2121         m_model->setSortHiddenLast(sortHiddenLast);
2122         Q_EMIT sortHiddenLastChanged(sortHiddenLast);
2123     }
2124
2125     const QList<QByteArray> visibleRoles = props.visibleRoles();
2126     if (visibleRoles != m_visibleRoles) {
2127         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
2128         m_visibleRoles = visibleRoles;
2129         m_view->setVisibleRoles(visibleRoles);
2130         Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
2131     }
2132
2133     const bool previewsShown = props.previewsShown();
2134     if (previewsShown != m_view->previewsShown()) {
2135         const int oldZoomLevel = zoomLevel();
2136
2137         m_view->setPreviewsShown(previewsShown);
2138         Q_EMIT previewsShownChanged(previewsShown);
2139
2140         // Changing the preview-state might result in a changed zoom-level
2141         if (oldZoomLevel != zoomLevel()) {
2142             Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
2143         }
2144     }
2145
2146     KItemListView *itemListView = m_container->controller()->view();
2147     if (itemListView->isHeaderVisible()) {
2148         KItemListHeader *header = itemListView->header();
2149         const QList<int> headerColumnWidths = props.headerColumnWidths();
2150         const int rolesCount = m_visibleRoles.count();
2151         if (headerColumnWidths.count() == rolesCount) {
2152             header->setAutomaticColumnResizing(false);
2153
2154             QHash<QByteArray, qreal> columnWidths;
2155             for (int i = 0; i < rolesCount; ++i) {
2156                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
2157             }
2158             header->setColumnWidths(columnWidths);
2159         } else {
2160             header->setAutomaticColumnResizing(true);
2161         }
2162         header->setSidePadding(DetailsModeSettings::sidePadding());
2163     }
2164
2165     m_view->endTransaction();
2166 }
2167
2168 void DolphinView::applyModeToView()
2169 {
2170     switch (m_mode) {
2171     case IconsView:
2172         m_view->setItemLayout(KFileItemListView::IconsLayout);
2173         break;
2174     case CompactView:
2175         m_view->setItemLayout(KFileItemListView::CompactLayout);
2176         break;
2177     case DetailsView:
2178         m_view->setItemLayout(KFileItemListView::DetailsLayout);
2179         break;
2180     default:
2181         Q_ASSERT(false);
2182         break;
2183     }
2184 }
2185
2186 void DolphinView::pasteToUrl(const QUrl &url)
2187 {
2188     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
2189     KJobWidgets::setWindow(job, this);
2190     m_clearSelectionBeforeSelectingNewItems = true;
2191     m_markFirstNewlySelectedItemAsCurrent = true;
2192     m_selectJobCreatedItems = true;
2193     // TODO KF6 use KIO::PasteJob::copyJobStarted to hook to earlier events copying/moving
2194     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
2195     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotJobResult);
2196 }
2197
2198 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
2199 {
2200     QList<QUrl> urls;
2201
2202     const KFileItemList items = selectedItems();
2203     urls.reserve(items.count());
2204     for (const KFileItem &item : items) {
2205         urls.append(item.url());
2206     }
2207
2208     if (itemsExpandable()) {
2209         // TODO: Check if we still need KDirModel for this in KDE 5.0
2210         urls = KDirModel::simplifiedUrlList(urls);
2211     }
2212
2213     return urls;
2214 }
2215
2216 QMimeData *DolphinView::selectionMimeData() const
2217 {
2218     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
2219     const KItemSet selectedIndexes = selectionManager->selectedItems();
2220
2221     return m_model->createMimeData(selectedIndexes);
2222 }
2223
2224 void DolphinView::updateWritableState()
2225 {
2226     const bool wasFolderWritable = m_isFolderWritable;
2227     m_isFolderWritable = false;
2228
2229     KFileItem item = m_model->rootItem();
2230     if (item.isNull()) {
2231         // Try to find out if the URL is writable even if the "root item" is
2232         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
2233         item = KFileItem(url());
2234         item.setDelayedMimeTypes(true);
2235     }
2236
2237     KFileItemListProperties capabilities(KFileItemList() << item);
2238     m_isFolderWritable = capabilities.supportsWriting();
2239
2240     if (m_isFolderWritable != wasFolderWritable) {
2241         Q_EMIT writeStateChanged(m_isFolderWritable);
2242     }
2243 }
2244
2245 bool DolphinView::isFolderWritable() const
2246 {
2247     return m_isFolderWritable;
2248 }
2249
2250 QUrl DolphinView::viewPropertiesUrl() const
2251 {
2252     if (m_viewPropertiesContext.isEmpty()) {
2253         return m_url;
2254     }
2255
2256     QUrl url;
2257     url.setScheme(m_url.scheme());
2258     url.setPath(m_viewPropertiesContext);
2259     return url;
2260 }
2261
2262 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl> &urls)
2263 {
2264     forceUrlsSelection(urls.first(), urls);
2265 }
2266
2267 void DolphinView::forceUrlsSelection(const QUrl &current, const QList<QUrl> &selected)
2268 {
2269     clearSelection();
2270     m_clearSelectionBeforeSelectingNewItems = true;
2271     markUrlAsCurrent(current);
2272     markUrlsAsSelected(selected);
2273 }
2274
2275 void DolphinView::copyPathToClipboard()
2276 {
2277     const KFileItemList list = selectedItems();
2278     if (list.isEmpty()) {
2279         return;
2280     }
2281     const KFileItem &item = list.at(0);
2282     QString path = item.localPath();
2283     if (path.isEmpty()) {
2284         path = item.url().toDisplayString();
2285     }
2286     QClipboard *clipboard = QApplication::clipboard();
2287     if (clipboard == nullptr) {
2288         return;
2289     }
2290     clipboard->setText(QDir::toNativeSeparators(path));
2291 }
2292
2293 void DolphinView::slotIncreaseZoom()
2294 {
2295     setZoomLevel(zoomLevel() + 1);
2296 }
2297
2298 void DolphinView::slotDecreaseZoom()
2299 {
2300     setZoomLevel(zoomLevel() - 1);
2301 }
2302
2303 void DolphinView::slotSwipeUp()
2304 {
2305     Q_EMIT goUpRequested();
2306 }
2307
2308 void DolphinView::showLoadingPlaceholder()
2309 {
2310     m_placeholderLabel->setText(i18n("Loading…"));
2311     m_placeholderLabel->setVisible(true);
2312 }
2313
2314 void DolphinView::updatePlaceholderLabel()
2315 {
2316     m_showLoadingPlaceholderTimer->stop();
2317     if (itemsCount() > 0) {
2318         m_placeholderLabel->setVisible(false);
2319         return;
2320     }
2321
2322     if (m_loadingState == LoadingState::Loading) {
2323         m_placeholderLabel->setVisible(false);
2324         m_showLoadingPlaceholderTimer->start();
2325         return;
2326     }
2327
2328     if (m_loadingState == LoadingState::Canceled) {
2329         m_placeholderLabel->setText(i18n("Loading canceled"));
2330     } else if (!nameFilter().isEmpty()) {
2331         m_placeholderLabel->setText(i18n("No items matching the filter"));
2332     } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
2333         m_placeholderLabel->setText(i18n("No items matching the search"));
2334     } else if (m_url.scheme() == QLatin1String("trash") && m_url.path() == QLatin1String("/")) {
2335         m_placeholderLabel->setText(i18n("Trash is empty"));
2336     } else if (m_url.scheme() == QLatin1String("tags")) {
2337         if (m_url.path() == QLatin1Char('/')) {
2338             m_placeholderLabel->setText(i18n("No tags"));
2339         } else {
2340             const QString tagName = m_url.path().mid(1); // Remove leading /
2341             m_placeholderLabel->setText(i18n("No files tagged with \"%1\"", tagName));
2342         }
2343
2344     } else if (m_url.scheme() == QLatin1String("recentlyused")) {
2345         m_placeholderLabel->setText(i18n("No recently used items"));
2346     } else if (m_url.scheme() == QLatin1String("smb")) {
2347         m_placeholderLabel->setText(i18n("No shared folders found"));
2348     } else if (m_url.scheme() == QLatin1String("network")) {
2349         m_placeholderLabel->setText(i18n("No relevant network resources found"));
2350     } else if (m_url.scheme() == QLatin1String("mtp") && m_url.path() == QLatin1String("/")) {
2351         m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
2352     } else if (m_url.scheme() == QLatin1String("afc") && m_url.path() == QLatin1String("/")) {
2353         m_placeholderLabel->setText(i18n("No Apple devices found"));
2354     } else if (m_url.scheme() == QLatin1String("bluetooth")) {
2355         m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
2356     } else {
2357         m_placeholderLabel->setText(i18n("Folder is empty"));
2358     }
2359
2360     m_placeholderLabel->setVisible(true);
2361 }
2362
2363 bool DolphinView::tryShowNameToolTip(QHelpEvent *event)
2364 {
2365     if (!GeneralSettings::showToolTips() && m_mode == DolphinView::IconsView) {
2366         const std::optional<int> index = m_view->itemAt(event->pos());
2367
2368         if (!index.has_value()) {
2369             return false;
2370         }
2371
2372         // Check whether the filename has been elided
2373         const bool isElided = m_view->isElided(index.value());
2374
2375         if (isElided) {
2376             const KFileItem item = m_model->fileItem(index.value());
2377             const QString text = item.text();
2378             const QPoint pos = mapToGlobal(event->pos());
2379             QToolTip::showText(pos, text);
2380             return true;
2381         }
2382     }
2383     return false;
2384 }
2385
2386 #include "moc_dolphinview.cpp"