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     // Don't consume mouse events
 150     m_placeholderLabel->setAttribute(Qt::WA_TransparentForMouseEvents);
 151
 152     QFont placeholderLabelFont;
 153     // To match the size of a level 2 Heading/KTitleWidget
 154     placeholderLabelFont.setPointSize(qRound(placeholderLabelFont.pointSize() * 1.3));
 155     m_placeholderLabel->setFont(placeholderLabelFont);
 156     m_placeholderLabel->setWordWrap(true);
 157     m_placeholderLabel->setAlignment(Qt::AlignCenter);
 158     // Match opacity of QML placeholder label component
 159     auto *effect = new QGraphicsOpacityEffect(m_placeholderLabel);
 160     effect->setOpacity(0.5);
 161     m_placeholderLabel->setGraphicsEffect(effect);
 162     // Set initial text and visibility
 163     updatePlaceholderLabel();
 164
 165     auto *centeringLayout = new QVBoxLayout(m_container);
 166     centeringLayout->addWidget(m_placeholderLabel);
 167     centeringLayout->setAlignment(m_placeholderLabel, Qt::AlignCenter);
 168
 169     controller->setSelectionBehavior(KItemListController::MultiSelection);
 170     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 171     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 172     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 173     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 174     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 175     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 176     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 177     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 178     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 179     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 180     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 181     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 182     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 183     connect(controller, &KItemListController::increaseZoom, this, &DolphinView::slotIncreaseZoom);
 184     connect(controller, &KItemListController::decreaseZoom, this, &DolphinView::slotDecreaseZoom);
 185     connect(controller, &KItemListController::swipeUp, this, &DolphinView::slotSwipeUp);
 186     connect(controller, &KItemListController::selectionModeChangeRequested, this, &DolphinView::selectionModeChangeRequested);
 187
 188     connect(m_model, &KFileItemModel::directoryLoadingStarted, this, &DolphinView::slotDirectoryLoadingStarted);
 189     connect(m_model, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
 190     connect(m_model, &KFileItemModel::directoryLoadingCanceled, this, &DolphinView::slotDirectoryLoadingCanceled);
 191     connect(m_model, &KFileItemModel::directoryLoadingProgress, this, &DolphinView::directoryLoadingProgress);
 192     connect(m_model, &KFileItemModel::directorySortingProgress, this, &DolphinView::directorySortingProgress);
 193     connect(m_model, &KFileItemModel::itemsChanged, this, &DolphinView::slotItemsChanged);
 194     connect(m_model, &KFileItemModel::itemsRemoved, this, &DolphinView::itemCountChanged);
 195     connect(m_model, &KFileItemModel::itemsInserted, this, &DolphinView::itemCountChanged);
 196     connect(m_model, &KFileItemModel::infoMessage, this, &DolphinView::infoMessage);
 197     connect(m_model, &KFileItemModel::errorMessage, this, &DolphinView::errorMessage);
 198     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 199     connect(m_model, &KFileItemModel::urlIsFileError, this, &DolphinView::urlIsFileError);
 200     connect(m_model, &KFileItemModel::fileItemsChanged, this, &DolphinView::fileItemsChanged);
 201     // #473377: Use a QueuedConnection to avoid modifying KCoreDirLister before KCoreDirListerCache::deleteDir() returns.
 202     connect(m_model, &KFileItemModel::currentDirectoryRemoved, this, &DolphinView::currentDirectoryRemoved, Qt::QueuedConnection);
 203
 204     connect(this, &DolphinView::itemCountChanged, this, &DolphinView::updatePlaceholderLabel);
 205
 206     m_view->installEventFilter(this);
 207     connect(m_view, &DolphinItemListView::sortOrderChanged, this, &DolphinView::slotSortOrderChangedByHeader);
 208     connect(m_view, &DolphinItemListView::sortRoleChanged, this, &DolphinView::slotSortRoleChangedByHeader);
 209     connect(m_view, &DolphinItemListView::visibleRolesChanged, this, &DolphinView::slotVisibleRolesChangedByHeader);
 210     connect(m_view, &DolphinItemListView::roleEditingCanceled, this, &DolphinView::slotRoleEditingCanceled);
 211
 212     connect(m_view, &DolphinItemListView::columnHovered, this, [this](int columnIndex) {
 213         m_hoveredColumnHeaderIndex = columnIndex;
 214     });
 215     connect(m_view, &DolphinItemListView::columnUnHovered, this, [this](int /* columnIndex */) {
 216         m_hoveredColumnHeaderIndex = std::nullopt;
 217     });
 218     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished, this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 219     connect(m_view->header(), &KItemListHeader::sidePaddingChanged, this, &DolphinView::slotSidePaddingWidthChanged);
 220
 221     KItemListSelectionManager *selectionManager = controller->selectionManager();
 222     connect(selectionManager, &KItemListSelectionManager::selectionChanged, this, &DolphinView::slotSelectionChanged);
 223
 224 #if HAVE_BALOO
 225     m_toolTipManager = new ToolTipManager(this);
 226     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 227 #endif
 228
 229     m_versionControlObserver = new VersionControlObserver(this);
 230     m_versionControlObserver->setView(this);
 231     m_versionControlObserver->setModel(m_model);
 232     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 233     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 234     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 235
 236     m_twoClicksRenamingTimer = new QTimer(this);
 237     m_twoClicksRenamingTimer->setSingleShot(true);
 238     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 239
 240     applyViewProperties();
 241     m_topLayout->addWidget(m_container);
 242
 243     loadDirectory(url);
 244 }
 245
 246 DolphinView::~DolphinView()
 247 {
 248     disconnect(m_container->controller(), &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 249 }
 250
 251 QUrl DolphinView::url() const
 252 {
 253     return m_url;
 254 }
 255
 256 void DolphinView::setActive(bool active)
 257 {
 258     if (active == m_active) {
 259         return;
 260     }
 261
 262     m_active = active;
 263
 264     updatePalette();
 265
 266     if (active) {
 267         m_container->setFocus();
 268         Q_EMIT activated();
 269     }
 270 }
 271
 272 bool DolphinView::isActive() const
 273 {
 274     return m_active;
 275 }
 276
 277 void DolphinView::setViewMode(Mode mode)
 278 {
 279     if (mode != m_mode) {
 280         // Reset scrollbars before changing the view mode.
 281         m_container->horizontalScrollBar()->setValue(0);
 282         m_container->verticalScrollBar()->setValue(0);
 283
 284         ViewProperties props(viewPropertiesUrl());
 285         props.setViewMode(mode);
 286
 287         // We pass the new ViewProperties to applyViewProperties, rather than
 288         // storing them on disk and letting applyViewProperties() read them
 289         // from there, to prevent that changing the view mode fails if the
 290         // .directory file is not writable (see bug 318534).
 291         applyViewProperties(props);
 292     }
 293 }
 294
 295 DolphinView::Mode DolphinView::viewMode() const
 296 {
 297     return m_mode;
 298 }
 299
 300 void DolphinView::setSelectionModeEnabled(const bool enabled)
 301 {
 302     if (enabled) {
 303         if (!m_proxyStyle) {
 304             m_proxyStyle = std::make_unique<SelectionMode::SingleClickSelectionProxyStyle>();
 305         }
 306         setStyle(m_proxyStyle.get());
 307         m_view->setStyle(m_proxyStyle.get());
 308         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::False);
 309     } else {
 310         setStyle(nullptr);
 311         m_view->setStyle(nullptr);
 312         m_view->setEnabledSelectionToggles(DolphinItemListView::SelectionTogglesEnabled::FollowSetting);
 313     }
 314     m_container->controller()->setSelectionModeEnabled(enabled);
 315 }
 316
 317 bool DolphinView::selectionMode() const
 318 {
 319     return m_container->controller()->selectionMode();
 320 }
 321
 322 void DolphinView::setPreviewsShown(bool show)
 323 {
 324     if (previewsShown() == show) {
 325         return;
 326     }
 327
 328     ViewProperties props(viewPropertiesUrl());
 329     props.setPreviewsShown(show);
 330
 331     const int oldZoomLevel = m_view->zoomLevel();
 332     m_view->setPreviewsShown(show);
 333     Q_EMIT previewsShownChanged(show);
 334
 335     const int newZoomLevel = m_view->zoomLevel();
 336     if (newZoomLevel != oldZoomLevel) {
 337         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 338     }
 339 }
 340
 341 bool DolphinView::previewsShown() const
 342 {
 343     return m_view->previewsShown();
 344 }
 345
 346 void DolphinView::setHiddenFilesShown(bool show)
 347 {
 348     if (m_model->showHiddenFiles() == show) {
 349         return;
 350     }
 351
 352     const KFileItemList itemList = selectedItems();
 353     m_selectedUrls.clear();
 354     m_selectedUrls = itemList.urlList();
 355
 356     ViewProperties props(viewPropertiesUrl());
 357     props.setHiddenFilesShown(show);
 358
 359     m_model->setShowHiddenFiles(show);
 360     Q_EMIT hiddenFilesShownChanged(show);
 361 }
 362
 363 bool DolphinView::hiddenFilesShown() const
 364 {
 365     return m_model->showHiddenFiles();
 366 }
 367
 368 void DolphinView::setGroupedSorting(bool grouped)
 369 {
 370     if (grouped == groupedSorting()) {
 371         return;
 372     }
 373
 374     ViewProperties props(viewPropertiesUrl());
 375     props.setGroupedSorting(grouped);
 376     props.save();
 377
 378     m_container->controller()->model()->setGroupedSorting(grouped);
 379
 380     Q_EMIT groupedSortingChanged(grouped);
 381 }
 382
 383 bool DolphinView::groupedSorting() const
 384 {
 385     return m_model->groupedSorting();
 386 }
 387
 388 KFileItemList DolphinView::items() const
 389 {
 390     KFileItemList list;
 391     const int itemCount = m_model->count();
 392     list.reserve(itemCount);
 393
 394     for (int i = 0; i < itemCount; ++i) {
 395         list.append(m_model->fileItem(i));
 396     }
 397
 398     return list;
 399 }
 400
 401 int DolphinView::itemsCount() const
 402 {
 403     return m_model->count();
 404 }
 405
 406 KFileItemList DolphinView::selectedItems() const
 407 {
 408     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 409
 410     KFileItemList selectedItems;
 411     const auto items = selectionManager->selectedItems();
 412     selectedItems.reserve(items.count());
 413     for (int index : items) {
 414         selectedItems.append(m_model->fileItem(index));
 415     }
 416     return selectedItems;
 417 }
 418
 419 int DolphinView::selectedItemsCount() const
 420 {
 421     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 422     return selectionManager->selectedItems().count();
 423 }
 424
 425 void DolphinView::markUrlsAsSelected(const QList<QUrl> &urls)
 426 {
 427     m_selectedUrls = urls;
 428     m_selectJobCreatedItems = false;
 429 }
 430
 431 void DolphinView::markUrlAsCurrent(const QUrl &url)
 432 {
 433     m_currentItemUrl = url;
 434     m_scrollToCurrentItem = true;
 435 }
 436
 437 void DolphinView::selectItems(const QRegularExpression &regexp, bool enabled)
 438 {
 439     const KItemListSelectionManager::SelectionMode mode = enabled ? KItemListSelectionManager::Select : KItemListSelectionManager::Deselect;
 440     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 441
 442     for (int index = 0; index < m_model->count(); index++) {
 443         const KFileItem item = m_model->fileItem(index);
 444         if (regexp.match(item.text()).hasMatch()) {
 445             // An alternative approach would be to store the matching items in a KItemSet and
 446             // select them in one go after the loop, but we'd need a new function
 447             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 448             // for that.
 449             selectionManager->setSelected(index, 1, mode);
 450         }
 451     }
 452 }
 453
 454 void DolphinView::setZoomLevel(int level)
 455 {
 456     const int oldZoomLevel = zoomLevel();
 457     m_view->setZoomLevel(level);
 458     if (zoomLevel() != oldZoomLevel) {
 459         hideToolTip();
 460         Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
 461     }
 462 }
 463
 464 int DolphinView::zoomLevel() const
 465 {
 466     return m_view->zoomLevel();
 467 }
 468
 469 void DolphinView::setSortRole(const QByteArray &role)
 470 {
 471     if (role != sortRole()) {
 472         ViewProperties props(viewPropertiesUrl());
 473         props.setSortRole(role);
 474
 475         KItemModelBase *model = m_container->controller()->model();
 476         model->setSortRole(role);
 477
 478         Q_EMIT sortRoleChanged(role);
 479     }
 480 }
 481
 482 QByteArray DolphinView::sortRole() const
 483 {
 484     const KItemModelBase *model = m_container->controller()->model();
 485     return model->sortRole();
 486 }
 487
 488 void DolphinView::setSortOrder(Qt::SortOrder order)
 489 {
 490     if (sortOrder() != order) {
 491         ViewProperties props(viewPropertiesUrl());
 492         props.setSortOrder(order);
 493
 494         m_model->setSortOrder(order);
 495
 496         Q_EMIT sortOrderChanged(order);
 497     }
 498 }
 499
 500 Qt::SortOrder DolphinView::sortOrder() const
 501 {
 502     return m_model->sortOrder();
 503 }
 504
 505 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 506 {
 507     if (sortFoldersFirst() != foldersFirst) {
 508         updateSortFoldersFirst(foldersFirst);
 509     }
 510 }
 511
 512 bool DolphinView::sortFoldersFirst() const
 513 {
 514     return m_model->sortDirectoriesFirst();
 515 }
 516
 517 void DolphinView::setSortHiddenLast(bool hiddenLast)
 518 {
 519     if (sortHiddenLast() != hiddenLast) {
 520         updateSortHiddenLast(hiddenLast);
 521     }
 522 }
 523
 524 bool DolphinView::sortHiddenLast() const
 525 {
 526     return m_model->sortHiddenLast();
 527 }
 528
 529 void DolphinView::setVisibleRoles(const QList<QByteArray> &roles)
 530 {
 531     const QList<QByteArray> previousRoles = roles;
 532
 533     ViewProperties props(viewPropertiesUrl());
 534     props.setVisibleRoles(roles);
 535
 536     m_visibleRoles = roles;
 537     m_view->setVisibleRoles(roles);
 538
 539     Q_EMIT visibleRolesChanged(m_visibleRoles, previousRoles);
 540 }
 541
 542 QList<QByteArray> DolphinView::visibleRoles() const
 543 {
 544     return m_visibleRoles;
 545 }
 546
 547 void DolphinView::reload()
 548 {
 549     QByteArray viewState;
 550     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 551     saveState(saveStream);
 552
 553     setUrl(url());
 554     loadDirectory(url(), true);
 555
 556     QDataStream restoreStream(viewState);
 557     restoreState(restoreStream);
 558 }
 559
 560 void DolphinView::readSettings()
 561 {
 562     const int oldZoomLevel = m_view->zoomLevel();
 563
 564     GeneralSettings::self()->load();
 565     m_view->readSettings();
 566     applyViewProperties();
 567
 568     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 569     m_container->controller()->setAutoActivationDelay(delay);
 570
 571     const int newZoomLevel = m_view->zoomLevel();
 572     if (newZoomLevel != oldZoomLevel) {
 573         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 574     }
 575 }
 576
 577 void DolphinView::writeSettings()
 578 {
 579     GeneralSettings::self()->save();
 580     m_view->writeSettings();
 581 }
 582
 583 void DolphinView::setNameFilter(const QString &nameFilter)
 584 {
 585     m_model->setNameFilter(nameFilter);
 586 }
 587
 588 QString DolphinView::nameFilter() const
 589 {
 590     return m_model->nameFilter();
 591 }
 592
 593 void DolphinView::setMimeTypeFilters(const QStringList &filters)
 594 {
 595     return m_model->setMimeTypeFilters(filters);
 596 }
 597
 598 QStringList DolphinView::mimeTypeFilters() const
 599 {
 600     return m_model->mimeTypeFilters();
 601 }
 602
 603 void DolphinView::requestStatusBarText()
 604 {
 605     if (m_statJobForStatusBarText) {
 606         // Kill the pending request.
 607         m_statJobForStatusBarText->kill();
 608     }
 609
 610     if (m_container->controller()->selectionManager()->hasSelection()) {
 611         int folderCount = 0;
 612         int fileCount = 0;
 613         KIO::filesize_t totalFileSize = 0;
 614
 615         // Give a summary of the status of the selected files
 616         const KFileItemList list = selectedItems();
 617         for (const KFileItem &item : list) {
 618             if (item.isDir()) {
 619                 ++folderCount;
 620             } else {
 621                 ++fileCount;
 622                 totalFileSize += item.size();
 623             }
 624         }
 625
 626         if (folderCount + fileCount == 1) {
 627             // If only one item is selected, show info about it
 628             Q_EMIT statusBarTextChanged(list.first().getStatusBarInfo());
 629         } else {
 630             // At least 2 items are selected
 631             emitStatusBarText(folderCount, fileCount, totalFileSize, HasSelection);
 632         }
 633     } else { // has no selection
 634         if (!m_model->rootItem().url().isValid()) {
 635             return;
 636         }
 637
 638         m_statJobForStatusBarText = KIO::stat(m_model->rootItem().url(), KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
 639         connect(m_statJobForStatusBarText, &KJob::result, this, &DolphinView::slotStatJobResult);
 640         m_statJobForStatusBarText->start();
 641     }
 642 }
 643
 644 void DolphinView::emitStatusBarText(const int folderCount, const int fileCount, KIO::filesize_t totalFileSize, const Selection selection)
 645 {
 646     QString foldersText;
 647     QString filesText;
 648     QString summary;
 649
 650     if (selection == HasSelection) {
 651         // At least 2 items are selected because the case of 1 selected item is handled in
 652         // DolphinView::requestStatusBarText().
 653         foldersText = i18ncp("@info:status", "1 folder selected", "%1 folders selected", folderCount);
 654         filesText = i18ncp("@info:status", "1 file selected", "%1 files selected", fileCount);
 655     } else {
 656         foldersText = i18ncp("@info:status", "1 folder", "%1 folders", folderCount);
 657         filesText = i18ncp("@info:status", "1 file", "%1 files", fileCount);
 658     }
 659
 660     if (fileCount > 0 && folderCount > 0) {
 661         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)", foldersText, filesText, KFormat().formatByteSize(totalFileSize));
 662     } else if (fileCount > 0) {
 663         summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, KFormat().formatByteSize(totalFileSize));
 664     } else if (folderCount > 0) {
 665         summary = foldersText;
 666     } else {
 667         summary = i18nc("@info:status", "0 folders, 0 files");
 668     }
 669     Q_EMIT statusBarTextChanged(summary);
 670 }
 671
 672 QList<QAction *> DolphinView::versionControlActions(const KFileItemList &items) const
 673 {
 674     QList<QAction *> actions;
 675
 676     if (items.isEmpty()) {
 677         const KFileItem item = m_model->rootItem();
 678         if (!item.isNull()) {
 679             actions = m_versionControlObserver->actions(KFileItemList() << item);
 680         }
 681     } else {
 682         actions = m_versionControlObserver->actions(items);
 683     }
 684
 685     return actions;
 686 }
 687
 688 void DolphinView::setUrl(const QUrl &url)
 689 {
 690     if (url == m_url) {
 691         return;
 692     }
 693
 694     clearSelection();
 695
 696     m_url = url;
 697
 698     hideToolTip();
 699
 700     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 701
 702     // It is important to clear the items from the model before
 703     // applying the view properties, otherwise expensive operations
 704     // might be done on the existing items although they get cleared
 705     // anyhow afterwards by loadDirectory().
 706     m_model->clear();
 707     applyViewProperties();
 708     loadDirectory(url);
 709
 710     Q_EMIT urlChanged(url);
 711 }
 712
 713 void DolphinView::selectAll()
 714 {
 715     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 716     selectionManager->setSelected(0, m_model->count());
 717 }
 718
 719 void DolphinView::invertSelection()
 720 {
 721     KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
 722     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 723 }
 724
 725 void DolphinView::clearSelection()
 726 {
 727     m_selectJobCreatedItems = false;
 728     m_selectedUrls.clear();
 729     m_container->controller()->selectionManager()->clearSelection();
 730 }
 731
 732 void DolphinView::renameSelectedItems()
 733 {
 734     const KFileItemList items = selectedItems();
 735     if (items.isEmpty()) {
 736         return;
 737     }
 738
 739     if (items.count() == 1 && GeneralSettings::renameInline()) {
 740         const int index = m_model->index(items.first());
 741
 742         connect(
 743             m_view,
 744             &KItemListView::scrollingStopped,
 745             this,
 746             [this, index]() {
 747                 m_view->editRole(index, "text");
 748
 749                 hideToolTip();
 750
 751                 connect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
 752             },
 753             Qt::SingleShotConnection);
 754         m_view->scrollToItem(index);
 755
 756     } else {
 757         KIO::RenameFileDialog *dialog = new KIO::RenameFileDialog(items, this);
 758         connect(dialog, &KIO::RenameFileDialog::renamingFinished, this, &DolphinView::slotRenameDialogRenamingFinished);
 759
 760         dialog->open();
 761     }
 762
 763     // Assure that the current index remains visible when KFileItemModel
 764     // will notify the view about changed items (which might result in
 765     // a changed sorting).
 766     m_assureVisibleCurrentIndex = true;
 767 }
 768
 769 void DolphinView::trashSelectedItems()
 770 {
 771     const QList<QUrl> list = simplifiedSelectedUrls();
 772
 773     using Iface = KIO::AskUserActionInterface;
 774     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Trash, Iface::DefaultConfirmation, this);
 775     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 776     m_selectNextItem = true;
 777     trashJob->start();
 778 }
 779
 780 void DolphinView::deleteSelectedItems()
 781 {
 782     const QList<QUrl> list = simplifiedSelectedUrls();
 783
 784     using Iface = KIO::AskUserActionInterface;
 785     auto *trashJob = new KIO::DeleteOrTrashJob(list, Iface::Delete, Iface::DefaultConfirmation, this);
 786     connect(trashJob, &KJob::result, this, &DolphinView::slotTrashFileFinished);
 787     m_selectNextItem = true;
 788     trashJob->start();
 789 }
 790
 791 void DolphinView::cutSelectedItemsToClipboard()
 792 {
 793     QMimeData *mimeData = selectionMimeData();
 794     KIO::setClipboardDataCut(mimeData, true);
 795     KUrlMimeData::exportUrlsToPortal(mimeData);
 796     QApplication::clipboard()->setMimeData(mimeData);
 797 }
 798
 799 void DolphinView::copySelectedItemsToClipboard()
 800 {
 801     QMimeData *mimeData = selectionMimeData();
 802     KUrlMimeData::exportUrlsToPortal(mimeData);
 803     QApplication::clipboard()->setMimeData(mimeData);
 804 }
 805
 806 void DolphinView::copySelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 807 {
 808     if (selection.isEmpty() || !destinationUrl.isValid()) {
 809         return;
 810     }
 811
 812     m_clearSelectionBeforeSelectingNewItems = true;
 813     m_markFirstNewlySelectedItemAsCurrent = true;
 814     m_selectJobCreatedItems = true;
 815
 816     KIO::CopyJob *job = KIO::copy(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 817     KJobWidgets::setWindow(job, this);
 818
 819     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 820     connect(job, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
 821     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 822     KIO::FileUndoManager::self()->recordCopyJob(job);
 823 }
 824
 825 void DolphinView::moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 826 {
 827     if (selection.isEmpty() || !destinationUrl.isValid()) {
 828         return;
 829     }
 830
 831     m_clearSelectionBeforeSelectingNewItems = true;
 832     m_markFirstNewlySelectedItemAsCurrent = true;
 833     m_selectJobCreatedItems = true;
 834
 835     KIO::CopyJob *job = KIO::move(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 836     KJobWidgets::setWindow(job, this);
 837
 838     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 839     connect(job, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
 840     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 841     KIO::FileUndoManager::self()->recordCopyJob(job);
 842 }
 843
 844 void DolphinView::paste()
 845 {
 846     pasteToUrl(url());
 847 }
 848
 849 void DolphinView::pasteIntoFolder()
 850 {
 851     const KFileItemList items = selectedItems();
 852     if ((items.count() == 1) && items.first().isDir()) {
 853         pasteToUrl(items.first().url());
 854     }
 855 }
 856
 857 void DolphinView::duplicateSelectedItems()
 858 {
 859     const KFileItemList itemList = selectedItems();
 860     if (itemList.isEmpty()) {
 861         return;
 862     }
 863
 864     const QMimeDatabase db;
 865
 866     m_clearSelectionBeforeSelectingNewItems = true;
 867     m_markFirstNewlySelectedItemAsCurrent = true;
 868     m_selectJobCreatedItems = true;
 869
 870     // Duplicate all selected items and append "copy" to the end of the file name
 871     // but before the filename extension, if present
 872     for (const auto &item : itemList) {
 873         const QUrl originalURL = item.url();
 874         const QString originalDirectoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 875         const QString originalFileName = item.name();
 876
 877         QString extension = db.suffixForFileName(originalFileName);
 878
 879         QUrl duplicateURL = originalURL;
 880
 881         // No extension; new filename is "<oldfilename> copy"
 882         if (extension.isEmpty()) {
 883             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFileName));
 884             // There's an extension; new filename is "<oldfilename> copy.<extension>"
 885         } else {
 886             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 887             extension = QLatin1String(".") + extension;
 888             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 889             // Preserve file's original filename extension in case the casing differs
 890             // from what QMimeDatabase::suffixForFileName() returned
 891             const QString originalExtension = originalFileName.right(extension.size());
 892             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFilenameWithoutExtension) + originalExtension);
 893         }
 894
 895         KIO::CopyJob *job = KIO::copyAs(originalURL, duplicateURL);
 896         job->setAutoRename(true);
 897         KJobWidgets::setWindow(job, this);
 898
 899         connect(job, &KIO::CopyJob::result, this, &DolphinView::slotJobResult);
 900         connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotItemCreatedFromJob);
 901         connect(job, &KIO::CopyJob::copyingLinkDone, this, &DolphinView::slotItemLinkCreatedFromJob);
 902         KIO::FileUndoManager::self()->recordCopyJob(job);
 903     }
 904 }
 905
 906 void DolphinView::stopLoading()
 907 {
 908     m_model->cancelDirectoryLoading();
 909 }
 910
 911 void DolphinView::updatePalette()
 912 {
 913     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 914     if (!m_active) {
 915         color.setAlpha(150);
 916     }
 917
 918     QWidget *viewport = m_container->viewport();
 919     if (viewport) {
 920         QPalette palette;
 921         palette.setColor(viewport->backgroundRole(), color);
 922         viewport->setPalette(palette);
 923     }
 924
 925     update();
 926 }
 927
 928 void DolphinView::abortTwoClicksRenaming()
 929 {
 930     m_twoClicksRenamingItemUrl.clear();
 931     m_twoClicksRenamingTimer->stop();
 932 }
 933
 934 bool DolphinView::eventFilter(QObject *watched, QEvent *event)
 935 {
 936     switch (event->type()) {
 937     case QEvent::PaletteChange:
 938         updatePalette();
 939         QPixmapCache::clear();
 940         break;
 941
 942     case QEvent::WindowActivate:
 943     case QEvent::WindowDeactivate:
 944         updatePalette();
 945         break;
 946
 947     case QEvent::KeyPress:
 948         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 949         if (GeneralSettings::useTabForSwitchingSplitView()) {
 950             QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
 951             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 952                 Q_EMIT toggleActiveViewRequested();
 953                 return true;
 954             }
 955         }
 956         break;
 957     case QEvent::KeyRelease:
 958         if (static_cast<QKeyEvent *>(event)->key() == Qt::Key_Control) {
 959             m_controlWheelAccumulatedDelta = 0;
 960         }
 961         break;
 962     case QEvent::FocusIn:
 963         if (watched == m_container) {
 964             setActive(true);
 965         }
 966         break;
 967
 968     case QEvent::GraphicsSceneDragEnter:
 969         if (watched == m_view) {
 970             m_dragging = true;
 971             abortTwoClicksRenaming();
 972         }
 973         break;
 974
 975     case QEvent::GraphicsSceneDragLeave:
 976         if (watched == m_view) {
 977             m_dragging = false;
 978         }
 979         break;
 980
 981     case QEvent::GraphicsSceneDrop:
 982         if (watched == m_view) {
 983             m_dragging = false;
 984         }
 985         break;
 986
 987     case QEvent::ToolTip: {
 988         const auto helpEvent = static_cast<QHelpEvent *>(event);
 989         if (tryShowNameToolTip(helpEvent)) {
 990             return true;
 991
 992         } else if (m_hoveredColumnHeaderIndex) {
 993             const auto rolesInfo = KFileItemModel::rolesInformation();
 994             const auto visibleRole = m_visibleRoles.value(*m_hoveredColumnHeaderIndex);
 995
 996             for (const KFileItemModel::RoleInfo &info : rolesInfo) {
 997                 if (visibleRole == info.role) {
 998                     QToolTip::showText(helpEvent->globalPos(), info.tooltip, this);
 999                     return true;
1000                 }
1001             }
1002         }
1003         break;
1004     }
1005     default:
1006         break;
1007     }
1008
1009     return QWidget::eventFilter(watched, event);
1010 }
1011
1012 void DolphinView::wheelEvent(QWheelEvent *event)
1013 {
1014     if (event->modifiers().testFlag(Qt::ControlModifier)) {
1015         m_controlWheelAccumulatedDelta += event->angleDelta().y();
1016
1017         if (m_controlWheelAccumulatedDelta <= -QWheelEvent::DefaultDeltasPerStep) {
1018             slotDecreaseZoom();
1019             m_controlWheelAccumulatedDelta += QWheelEvent::DefaultDeltasPerStep;
1020         } else if (m_controlWheelAccumulatedDelta >= QWheelEvent::DefaultDeltasPerStep) {
1021             slotIncreaseZoom();
1022             m_controlWheelAccumulatedDelta -= QWheelEvent::DefaultDeltasPerStep;
1023         }
1024
1025         event->accept();
1026     } else {
1027         event->ignore();
1028     }
1029 }
1030
1031 void DolphinView::hideEvent(QHideEvent *event)
1032 {
1033     hideToolTip();
1034     QWidget::hideEvent(event);
1035 }
1036
1037 bool DolphinView::event(QEvent *event)
1038 {
1039     if (event->type() == QEvent::WindowDeactivate) {
1040         /* See Bug 297355
1041          * Dolphin leaves file preview tooltips open even when is not visible.
1042          *
1043          * Hide tool-tip when Dolphin loses focus.
1044          */
1045         hideToolTip();
1046         abortTwoClicksRenaming();
1047     }
1048
1049     return QWidget::event(event);
1050 }
1051
1052 void DolphinView::activate()
1053 {
1054     setActive(true);
1055 }
1056
1057 void DolphinView::slotItemActivated(int index)
1058 {
1059     abortTwoClicksRenaming();
1060
1061     const KFileItem item = m_model->fileItem(index);
1062     if (!item.isNull()) {
1063         Q_EMIT itemActivated(item);
1064     }
1065 }
1066
1067 void DolphinView::slotItemsActivated(const KItemSet &indexes)
1068 {
1069     Q_ASSERT(indexes.count() >= 2);
1070
1071     abortTwoClicksRenaming();
1072
1073     const auto modifiers = QGuiApplication::keyboardModifiers();
1074
1075     if (indexes.count() > 5) {
1076         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
1077         const int answer = KMessageBox::warningContinueCancel(
1078             this,
1079             question,
1080             {},
1081             KGuiItem(i18ncp("@action:button", "Open %1 Item", "Open %1 Items", indexes.count()), QStringLiteral("document-open")),
1082             KStandardGuiItem::cancel(),
1083             QStringLiteral("ConfirmOpenManyFolders"));
1084         if (answer != KMessageBox::PrimaryAction && answer != KMessageBox::Continue) {
1085             return;
1086         }
1087     }
1088
1089     KFileItemList items;
1090     items.reserve(indexes.count());
1091
1092     for (int index : indexes) {
1093         KFileItem item = m_model->fileItem(index);
1094         const QUrl &url = openItemAsFolderUrl(item);
1095
1096         if (!url.isEmpty()) {
1097             // Open folders in new tabs or in new windows depending on the modifier
1098             // The ctrl+shift behavior is ignored because we are handling multiple items
1099             // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1100             if (modifiers & Qt::ShiftModifier && !(modifiers & Qt::ControlModifier)) {
1101                 Q_EMIT windowRequested(url);
1102             } else {
1103                 Q_EMIT tabRequested(url);
1104             }
1105         } else {
1106             items.append(item);
1107         }
1108     }
1109
1110     if (items.count() == 1) {
1111         Q_EMIT itemActivated(items.first());
1112     } else if (items.count() > 1) {
1113         Q_EMIT itemsActivated(items);
1114     }
1115 }
1116
1117 void DolphinView::slotItemMiddleClicked(int index)
1118 {
1119     const KFileItem &item = m_model->fileItem(index);
1120     const QUrl &url = openItemAsFolderUrl(item);
1121     const auto modifiers = QGuiApplication::keyboardModifiers();
1122     if (!url.isEmpty()) {
1123         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1124         if (modifiers & Qt::ShiftModifier) {
1125             Q_EMIT activeTabRequested(url);
1126         } else {
1127             Q_EMIT tabRequested(url);
1128         }
1129     } else if (isTabsForFilesEnabled()) {
1130         // keep in sync with KUrlNavigator::slotNavigatorButtonClicked
1131         if (modifiers & Qt::ShiftModifier) {
1132             Q_EMIT activeTabRequested(item.url());
1133         } else {
1134             Q_EMIT tabRequested(item.url());
1135         }
1136     } else {
1137         Q_EMIT fileMiddleClickActivated(item);
1138     }
1139 }
1140
1141 void DolphinView::slotItemContextMenuRequested(int index, const QPointF &pos)
1142 {
1143     // Force emit of a selection changed signal before we request the
1144     // context menu, to update the edit-actions first. (See Bug 294013)
1145     if (m_selectionChangedTimer->isActive()) {
1146         emitSelectionChangedSignal();
1147     }
1148
1149     const KFileItem item = m_model->fileItem(index);
1150     Q_EMIT requestContextMenu(pos.toPoint(), item, selectedItems(), url());
1151 }
1152
1153 void DolphinView::slotViewContextMenuRequested(const QPointF &pos)
1154 {
1155     Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), selectedItems(), url());
1156 }
1157
1158 void DolphinView::slotHeaderContextMenuRequested(const QPointF &pos)
1159 {
1160     ViewProperties props(viewPropertiesUrl());
1161
1162     QPointer<QMenu> menu = new QMenu(this);
1163
1164     KItemListView *view = m_container->controller()->view();
1165     const QList<QByteArray> visibleRolesSet = view->visibleRoles();
1166
1167     bool indexingEnabled = false;
1168 #if HAVE_BALOO
1169     Baloo::IndexerConfig config;
1170     indexingEnabled = config.fileIndexingEnabled();
1171 #endif
1172
1173     QString groupName;
1174     QMenu *groupMenu = nullptr;
1175
1176     // Add all roles to the menu that can be shown or hidden by the user
1177     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
1178     for (const KFileItemModel::RoleInfo &info : rolesInfo) {
1179         if (info.role == "text") {
1180             // It should not be possible to hide the "text" role
1181             continue;
1182         }
1183
1184         const QString text = m_model->roleDescription(info.role);
1185         QAction *action = nullptr;
1186         if (info.group.isEmpty()) {
1187             action = menu->addAction(text);
1188         } else {
1189             if (!groupMenu || info.group != groupName) {
1190                 groupName = info.group;
1191                 groupMenu = menu->addMenu(groupName);
1192             }
1193
1194             action = groupMenu->addAction(text);
1195         }
1196
1197         action->setCheckable(true);
1198         action->setChecked(visibleRolesSet.contains(info.role));
1199         action->setData(info.role);
1200         action->setToolTip(info.tooltip);
1201
1202         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) || (info.requiresBaloo) || (info.requiresIndexer && indexingEnabled);
1203         action->setEnabled(enable);
1204     }
1205
1206     menu->addSeparator();
1207
1208     QActionGroup *widthsGroup = new QActionGroup(menu);
1209     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1210
1211     QAction *toggleSidePaddingAction = menu->addAction(i18nc("@action:inmenu", "Side Padding"));
1212     toggleSidePaddingAction->setCheckable(true);
1213     toggleSidePaddingAction->setChecked(view->header()->sidePadding() > 0);
1214
1215     QAction *autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1216     autoAdjustWidthsAction->setCheckable(true);
1217     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1218     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1219
1220     QAction *customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1221     customWidthsAction->setCheckable(true);
1222     customWidthsAction->setChecked(!autoColumnWidths);
1223     customWidthsAction->setActionGroup(widthsGroup);
1224
1225     QAction *action = menu->exec(pos.toPoint());
1226     if (menu && action) {
1227         KItemListHeader *header = view->header();
1228
1229         if (action == autoAdjustWidthsAction) {
1230             // Clear the column-widths from the viewproperties and turn on
1231             // the automatic resizing of the columns
1232             props.setHeaderColumnWidths(QList<int>());
1233             header->setAutomaticColumnResizing(true);
1234         } else if (action == customWidthsAction) {
1235             // Apply the current column-widths as custom column-widths and turn
1236             // off the automatic resizing of the columns
1237             QList<int> columnWidths;
1238             const auto visibleRoles = view->visibleRoles();
1239             columnWidths.reserve(visibleRoles.count());
1240             for (const QByteArray &role : visibleRoles) {
1241                 columnWidths.append(header->columnWidth(role));
1242             }
1243             props.setHeaderColumnWidths(columnWidths);
1244             header->setAutomaticColumnResizing(false);
1245         } else if (action == toggleSidePaddingAction) {
1246             header->setSidePadding(toggleSidePaddingAction->isChecked() ? 20 : 0);
1247         } else {
1248             // Show or hide the selected role
1249             const QByteArray selectedRole = action->data().toByteArray();
1250
1251             QList<QByteArray> visibleRoles = view->visibleRoles();
1252             if (action->isChecked()) {
1253                 visibleRoles.append(selectedRole);
1254             } else {
1255                 visibleRoles.removeOne(selectedRole);
1256             }
1257
1258             view->setVisibleRoles(visibleRoles);
1259             props.setVisibleRoles(visibleRoles);
1260
1261             QList<int> columnWidths;
1262             if (!header->automaticColumnResizing()) {
1263                 const auto visibleRoles = view->visibleRoles();
1264                 columnWidths.reserve(visibleRoles.count());
1265                 for (const QByteArray &role : visibleRoles) {
1266                     columnWidths.append(header->columnWidth(role));
1267                 }
1268             }
1269             props.setHeaderColumnWidths(columnWidths);
1270         }
1271     }
1272
1273     delete menu;
1274 }
1275
1276 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray &role, qreal current)
1277 {
1278     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1279
1280     ViewProperties props(viewPropertiesUrl());
1281     QList<int> columnWidths = props.headerColumnWidths();
1282     if (columnWidths.count() != visibleRoles.count()) {
1283         columnWidths.clear();
1284         columnWidths.reserve(visibleRoles.count());
1285         const KItemListHeader *header = m_view->header();
1286         for (const QByteArray &role : visibleRoles) {
1287             const int width = header->columnWidth(role);
1288             columnWidths.append(width);
1289         }
1290     }
1291
1292     const int roleIndex = visibleRoles.indexOf(role);
1293     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1294     columnWidths[roleIndex] = current;
1295
1296     props.setHeaderColumnWidths(columnWidths);
1297 }
1298
1299 void DolphinView::slotSidePaddingWidthChanged(qreal width)
1300 {
1301     ViewProperties props(viewPropertiesUrl());
1302     DetailsModeSettings::setSidePadding(int(width));
1303     m_view->writeSettings();
1304 }
1305
1306 void DolphinView::slotItemHovered(int index)
1307 {
1308     const KFileItem item = m_model->fileItem(index);
1309
1310     if (GeneralSettings::showToolTips() && !m_dragging) {
1311         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1312         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1313         itemRect.moveTo(pos);
1314
1315 #if HAVE_BALOO
1316         auto nativeParent = nativeParentWidget();
1317         if (nativeParent) {
1318             m_toolTipManager->showToolTip(item, itemRect, nativeParent->windowHandle());
1319         }
1320 #endif
1321     }
1322
1323     Q_EMIT requestItemInfo(item);
1324 }
1325
1326 void DolphinView::slotItemUnhovered(int index)
1327 {
1328     Q_UNUSED(index)
1329     hideToolTip();
1330     Q_EMIT requestItemInfo(KFileItem());
1331 }
1332
1333 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent *event)
1334 {
1335     QUrl destUrl;
1336     KFileItem destItem = m_model->fileItem(index);
1337     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1338         // Use the URL of the view as drop target if the item is no directory
1339         // or desktop-file
1340         destItem = m_model->rootItem();
1341         destUrl = url();
1342     } else {
1343         // The item represents a directory or desktop-file
1344         destUrl = destItem.mostLocalUrl();
1345     }
1346
1347     QDropEvent dropEvent(event->pos().toPoint(), event->possibleActions(), event->mimeData(), event->buttons(), event->modifiers());
1348     dropUrls(destUrl, &dropEvent, this);
1349
1350     setActive(true);
1351 }
1352
1353 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1354 {
1355     KIO::DropJob *job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1356
1357     if (job) {
1358         connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
1359
1360         if (destUrl == url()) {
1361             // Mark the dropped urls as selected.
1362             m_clearSelectionBeforeSelectingNewItems = true;
1363             m_markFirstNewlySelectedItemAsCurrent = true;
1364             m_selectJobCreatedItems = true;
1365             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1366             connect(job, &KIO::DropJob::copyJobStarted, this, [this](const KIO::CopyJob *copyJob) {
1367                 connect(copyJob, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
1368                 connect(copyJob, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
1369                 connect(copyJob, &KIO::CopyJob::linking, this, [this](KIO::Job *job, const QString &src, const QUrl &dest) {
1370                     Q_UNUSED(job)
1371                     Q_UNUSED(src)
1372                     slotItemCreated(dest);
1373                 });
1374             });
1375         }
1376     }
1377 }
1378
1379 void DolphinView::slotModelChanged(KItemModelBase *current, KItemModelBase *previous)
1380 {
1381     if (previous != nullptr) {
1382         Q_ASSERT(qobject_cast<KFileItemModel *>(previous));
1383         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(previous);
1384         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1385         m_versionControlObserver->setModel(nullptr);
1386     }
1387
1388     if (current) {
1389         Q_ASSERT(qobject_cast<KFileItemModel *>(current));
1390         KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(current);
1391         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1392         m_versionControlObserver->setModel(fileItemModel);
1393     }
1394 }
1395
1396 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1397 {
1398     Q_UNUSED(itemIndex)
1399
1400     hideToolTip();
1401
1402     if (buttons & Qt::BackButton) {
1403         Q_EMIT goBackRequested();
1404     } else if (buttons & Qt::ForwardButton) {
1405         Q_EMIT goForwardRequested();
1406     }
1407 }
1408
1409 void DolphinView::slotSelectedItemTextPressed(int index)
1410 {
1411     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1412         const KFileItem item = m_model->fileItem(index);
1413         const KFileItemListProperties capabilities(KFileItemList() << item);
1414         if (capabilities.supportsMoving()) {
1415             m_twoClicksRenamingItemUrl = item.url();
1416             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1417         }
1418     }
1419 }
1420
1421 void DolphinView::slotItemCreatedFromJob(KIO::Job *, const QUrl &, const QUrl &to)
1422 {
1423     slotItemCreated(to);
1424 }
1425
1426 void DolphinView::slotItemLinkCreatedFromJob(KIO::Job *, const QUrl &, const QString &, const QUrl &to)
1427 {
1428     slotItemCreated(to);
1429 }
1430
1431 void DolphinView::slotItemCreated(const QUrl &url)
1432 {
1433     if (m_markFirstNewlySelectedItemAsCurrent) {
1434         markUrlAsCurrent(url);
1435         m_markFirstNewlySelectedItemAsCurrent = false;
1436     }
1437     if (m_selectJobCreatedItems && !m_selectedUrls.contains(url)) {
1438         m_selectedUrls << url;
1439     }
1440 }
1441
1442 void DolphinView::onDirectoryLoadingCompletedAfterJob()
1443 {
1444     // the model should now contain all the items created by the job
1445     m_selectJobCreatedItems = true; // to make sure we overwrite selection
1446     // update the view: scroll into View and selection
1447     updateViewState();
1448     m_selectJobCreatedItems = false;
1449     m_selectedUrls.clear();
1450 }
1451
1452 void DolphinView::slotJobResult(KJob *job)
1453 {
1454     if (job->error() && job->error() != KIO::ERR_USER_CANCELED) {
1455         Q_EMIT errorMessage(job->errorString());
1456     }
1457     if (!m_selectJobCreatedItems) {
1458         m_selectedUrls.clear();
1459         return;
1460     }
1461     if (!m_selectedUrls.isEmpty()) {
1462         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1463
1464         updateSelectionState();
1465         if (!m_selectedUrls.isEmpty()) {
1466             // not all urls were found, the model may not be up to date
1467             connect(m_model, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::onDirectoryLoadingCompletedAfterJob, Qt::SingleShotConnection);
1468         } else {
1469             m_selectJobCreatedItems = false;
1470             m_selectedUrls.clear();
1471         }
1472     }
1473 }
1474
1475 void DolphinView::slotSelectionChanged(const KItemSet &current, const KItemSet &previous)
1476 {
1477     m_selectNextItem = false;
1478     const int currentCount = current.count();
1479     const int previousCount = previous.count();
1480     const bool selectionStateChanged = (currentCount == 0 && previousCount > 0) || (currentCount > 0 && previousCount == 0);
1481
1482     // If nothing has been selected before and something got selected (or if something
1483     // was selected before and now nothing is selected) the selectionChangedSignal must
1484     // be emitted asynchronously as fast as possible to update the edit-actions.
1485     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1486     m_selectionChangedTimer->start();
1487 }
1488
1489 void DolphinView::emitSelectionChangedSignal()
1490 {
1491     m_selectionChangedTimer->stop();
1492     Q_EMIT selectionChanged(selectedItems());
1493 }
1494
1495 void DolphinView::slotStatJobResult(KJob *job)
1496 {
1497     int folderCount = 0;
1498     int fileCount = 0;
1499     KIO::filesize_t totalFileSize = 0;
1500     bool countFileSize = true;
1501
1502     const auto entry = static_cast<KIO::StatJob *>(job)->statResult();
1503     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1504         // We have a precomputed value.
1505         totalFileSize = static_cast<KIO::filesize_t>(entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1506         countFileSize = false;
1507     }
1508
1509     const int itemCount = m_model->count();
1510     for (int i = 0; i < itemCount; ++i) {
1511         const KFileItem item = m_model->fileItem(i);
1512         if (item.isDir()) {
1513             ++folderCount;
1514         } else {
1515             ++fileCount;
1516             if (countFileSize) {
1517                 totalFileSize += item.size();
1518             }
1519         }
1520     }
1521     emitStatusBarText(folderCount, fileCount, totalFileSize, NoSelection);
1522 }
1523
1524 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1525 {
1526     ViewProperties props(viewPropertiesUrl());
1527     props.setSortFoldersFirst(foldersFirst);
1528
1529     m_model->setSortDirectoriesFirst(foldersFirst);
1530
1531     Q_EMIT sortFoldersFirstChanged(foldersFirst);
1532 }
1533
1534 void DolphinView::updateSortHiddenLast(bool hiddenLast)
1535 {
1536     ViewProperties props(viewPropertiesUrl());
1537     props.setSortHiddenLast(hiddenLast);
1538
1539     m_model->setSortHiddenLast(hiddenLast);
1540
1541     Q_EMIT sortHiddenLastChanged(hiddenLast);
1542 }
1543
1544 QPair<bool, QString> DolphinView::pasteInfo() const
1545 {
1546     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1547     QPair<bool, QString> info;
1548     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1549     return info;
1550 }
1551
1552 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1553 {
1554     m_tabsForFiles = tabsForFiles;
1555 }
1556
1557 bool DolphinView::isTabsForFilesEnabled() const
1558 {
1559     return m_tabsForFiles;
1560 }
1561
1562 bool DolphinView::itemsExpandable() const
1563 {
1564     return m_mode == DetailsView;
1565 }
1566
1567 bool DolphinView::isExpanded(const KFileItem &item) const
1568 {
1569     Q_ASSERT(item.isDir());
1570     Q_ASSERT(items().contains(item));
1571     if (!itemsExpandable()) {
1572         return false;
1573     }
1574     return m_model->isExpanded(m_model->index(item));
1575 }
1576
1577 void DolphinView::restoreState(QDataStream &stream)
1578 {
1579     // Read the version number of the view state and check if the version is supported.
1580     quint32 version = 0;
1581     stream >> version;
1582     if (version != 1) {
1583         // The version of the view state isn't supported, we can't restore it.
1584         return;
1585     }
1586
1587     // Restore the current item that had the keyboard focus
1588     stream >> m_currentItemUrl;
1589
1590     // Restore the previously selected items
1591     stream >> m_selectedUrls;
1592
1593     // Restore the view position
1594     stream >> m_restoredContentsPosition;
1595
1596     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1597     QSet<QUrl> urls;
1598     stream >> urls;
1599     m_model->restoreExpandedDirectories(urls);
1600 }
1601
1602 void DolphinView::saveState(QDataStream &stream)
1603 {
1604     stream << quint32(1); // View state version
1605
1606     // Save the current item that has the keyboard focus
1607     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1608     if (currentIndex != -1) {
1609         KFileItem item = m_model->fileItem(currentIndex);
1610         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1611         QUrl currentItemUrl = item.url();
1612         stream << currentItemUrl;
1613     } else {
1614         stream << QUrl();
1615     }
1616
1617     // Save the selected urls
1618     stream << selectedItems().urlList();
1619
1620     // Save view position
1621     const qreal x = m_container->horizontalScrollBar()->value();
1622     const qreal y = m_container->verticalScrollBar()->value();
1623     stream << QPoint(x, y);
1624
1625     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1626     stream << m_model->expandedDirectories();
1627 }
1628
1629 KFileItem DolphinView::rootItem() const
1630 {
1631     return m_model->rootItem();
1632 }
1633
1634 void DolphinView::setViewPropertiesContext(const QString &context)
1635 {
1636     m_viewPropertiesContext = context;
1637 }
1638
1639 QString DolphinView::viewPropertiesContext() const
1640 {
1641     return m_viewPropertiesContext;
1642 }
1643
1644 QUrl DolphinView::openItemAsFolderUrl(const KFileItem &item, const bool browseThroughArchives)
1645 {
1646     if (item.isNull()) {
1647         return QUrl();
1648     }
1649
1650     QUrl url = item.targetUrl();
1651
1652     if (item.isDir()) {
1653         return url;
1654     }
1655
1656     if (item.isMimeTypeKnown()) {
1657         const QString &mimetype = item.mimetype();
1658
1659         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1660             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1661             // zip:/<path>/ when clicking on a zip file, etc.
1662             // The .protocol file specifies the mimetype that the kioslave handles.
1663             // Note that we don't use mimetype inheritance since we don't want to
1664             // open OpenDocument files as zip folders...
1665             const QString &protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1666             if (!protocol.isEmpty()) {
1667                 url.setScheme(protocol);
1668                 return url;
1669             }
1670         }
1671
1672         if (mimetype == QLatin1String("application/x-desktop")) {
1673             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1674             KDesktopFile desktopFile(url.toLocalFile());
1675             if (desktopFile.hasLinkType()) {
1676                 const QString linkUrl = desktopFile.readUrl();
1677                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1678                     return QUrl::fromUserInput(linkUrl);
1679                 }
1680             }
1681         }
1682     }
1683
1684     return QUrl();
1685 }
1686
1687 void DolphinView::resetZoomLevel()
1688 {
1689     ViewModeSettings settings{m_mode};
1690     settings.useDefaults(true);
1691     const int defaultIconSize = settings.iconSize();
1692     settings.useDefaults(false);
1693
1694     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(QSize(defaultIconSize, defaultIconSize)));
1695 }
1696
1697 void DolphinView::observeCreatedItem(const QUrl &url)
1698 {
1699     if (m_active) {
1700         forceUrlsSelection(url, {url});
1701     }
1702 }
1703
1704 void DolphinView::slotDirectoryRedirection(const QUrl &oldUrl, const QUrl &newUrl)
1705 {
1706     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1707         Q_EMIT redirection(oldUrl, newUrl);
1708         m_url = newUrl; // #186947
1709     }
1710 }
1711
1712 void DolphinView::updateSelectionState()
1713 {
1714     if (!m_selectedUrls.isEmpty()) {
1715         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1716
1717         const bool shouldScrollToCurrentItem = m_clearSelectionBeforeSelectingNewItems;
1718         // if there is a selection already, leave it that way
1719         // unless some drop/paste job are in the process of creating items
1720         if (!selectionManager->hasSelection() || m_selectJobCreatedItems) {
1721             if (m_clearSelectionBeforeSelectingNewItems) {
1722                 selectionManager->clearSelection();
1723                 m_clearSelectionBeforeSelectingNewItems = false;
1724             }
1725
1726             KItemSet selectedItems = selectionManager->selectedItems();
1727
1728             QList<QUrl>::iterator it = m_selectedUrls.begin();
1729             while (it != m_selectedUrls.end()) {
1730                 const int index = m_model->index(*it);
1731                 if (index >= 0) {
1732                     selectedItems.insert(index);
1733                     it = m_selectedUrls.erase(it);
1734                 } else {
1735                     ++it;
1736                 }
1737             }
1738
1739             if (!selectedItems.isEmpty()) {
1740                 selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1741                 selectionManager->setSelectedItems(selectedItems);
1742                 selectionManager->endAnchoredSelection();
1743                 if (shouldScrollToCurrentItem) {
1744                     m_view->scrollToItem(selectedItems.first());
1745                 }
1746             }
1747         }
1748     }
1749 }
1750
1751 void DolphinView::updateViewState()
1752 {
1753     if (m_currentItemUrl != QUrl()) {
1754         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1755
1756         // if there is a selection already, leave it that way
1757         if (!selectionManager->hasSelection()) {
1758             const int currentIndex = m_model->index(m_currentItemUrl);
1759             if (currentIndex != -1) {
1760                 selectionManager->setCurrentItem(currentIndex);
1761
1762                 // scroll to current item and reset the state
1763                 if (m_scrollToCurrentItem) {
1764                     m_view->scrollToItem(currentIndex, KItemListView::ViewItemPosition::Middle);
1765                     m_scrollToCurrentItem = false;
1766                 }
1767                 m_currentItemUrl = QUrl();
1768             } else {
1769                 selectionManager->setCurrentItem(0);
1770             }
1771         } else {
1772             m_currentItemUrl = QUrl();
1773         }
1774     }
1775
1776     if (!m_restoredContentsPosition.isNull()) {
1777         const int x = m_restoredContentsPosition.x();
1778         const int y = m_restoredContentsPosition.y();
1779         m_restoredContentsPosition = QPoint();
1780
1781         m_container->horizontalScrollBar()->setValue(x);
1782         m_container->verticalScrollBar()->setValue(y);
1783     }
1784
1785     updateSelectionState();
1786 }
1787
1788 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1789 {
1790     if (GeneralSettings::showToolTips()) {
1791 #if HAVE_BALOO
1792         m_toolTipManager->hideToolTip(behavior);
1793 #else
1794         Q_UNUSED(behavior)
1795 #endif
1796     } else if (m_mode == DolphinView::IconsView) {
1797         QToolTip::hideText();
1798     }
1799 }
1800
1801 bool DolphinView::handleSpaceAsNormalKey() const
1802 {
1803     return !m_container->hasFocus() || m_container->controller()->isSearchAsYouTypeActive();
1804 }
1805
1806 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1807 {
1808     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1809
1810     // verify that only one item is selected
1811     if (selectionManager->selectedItems().count() == 1) {
1812         const int index = selectionManager->currentItem();
1813         const QUrl fileItemUrl = m_model->fileItem(index).url();
1814
1815         // check if the selected item was the same item that started the twoClicksRenaming
1816         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1817             renameSelectedItems();
1818         }
1819     }
1820 }
1821
1822 void DolphinView::slotTrashFileFinished(KJob *job)
1823 {
1824     if (job->error() == 0) {
1825         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1826         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1827     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1828         Q_EMIT errorMessage(job->errorString());
1829     }
1830 }
1831
1832 void DolphinView::slotDeleteFileFinished(KJob *job)
1833 {
1834     if (job->error() == 0) {
1835         selectNextItem(); // Fixes BUG: 419914 via selecting next item
1836         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1837     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1838         Q_EMIT errorMessage(job->errorString());
1839     }
1840 }
1841
1842 void DolphinView::selectNextItem()
1843 {
1844     if (m_active && m_selectNextItem) {
1845         KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
1846         if (selectedItems().isEmpty()) {
1847             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1848             return;
1849         }
1850         const auto lastSelectedIndex = m_model->index(selectedItems().last());
1851         if (lastSelectedIndex < 0) {
1852             Q_ASSERT_X(false, "DolphinView", "Selecting the next item failed.");
1853             return;
1854         }
1855         auto nextItem = lastSelectedIndex + 1;
1856         if (nextItem >= itemsCount()) {
1857             nextItem = lastSelectedIndex - selectedItemsCount();
1858         }
1859         if (nextItem >= 0) {
1860             selectionManager->setSelected(nextItem, 1);
1861         }
1862         m_selectNextItem = false;
1863     }
1864 }
1865
1866 void DolphinView::slotRenamingResult(KJob *job)
1867 {
1868     if (job->error()) {
1869         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1870         Q_ASSERT(copyJob);
1871         const QUrl newUrl = copyJob->destUrl();
1872         const int index = m_model->index(newUrl);
1873         if (index >= 0) {
1874             QHash<QByteArray, QVariant> data;
1875             const QUrl oldUrl = copyJob->srcUrls().at(0);
1876             data.insert("text", oldUrl.fileName());
1877             m_model->setData(index, data);
1878         }
1879     }
1880 }
1881
1882 void DolphinView::slotDirectoryLoadingStarted()
1883 {
1884     m_loadingState = LoadingState::Loading;
1885     updatePlaceholderLabel();
1886
1887     // Disable the writestate temporary until it can be determined in a fast way
1888     // in DolphinView::slotDirectoryLoadingCompleted()
1889     if (m_isFolderWritable) {
1890         m_isFolderWritable = false;
1891         Q_EMIT writeStateChanged(m_isFolderWritable);
1892     }
1893
1894     Q_EMIT directoryLoadingStarted();
1895 }
1896
1897 void DolphinView::slotDirectoryLoadingCompleted()
1898 {
1899     m_loadingState = LoadingState::Completed;
1900
1901     // Update the view-state. This has to be done asynchronously
1902     // because the view might not be in its final state yet.
1903     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1904
1905     // Update the placeholder label in case we found that the folder was empty
1906     // after loading it
1907
1908     Q_EMIT directoryLoadingCompleted();
1909
1910     updatePlaceholderLabel();
1911     updateWritableState();
1912 }
1913
1914 void DolphinView::slotDirectoryLoadingCanceled()
1915 {
1916     m_loadingState = LoadingState::Canceled;
1917
1918     updatePlaceholderLabel();
1919
1920     Q_EMIT directoryLoadingCanceled();
1921 }
1922
1923 void DolphinView::slotItemsChanged()
1924 {
1925     m_assureVisibleCurrentIndex = false;
1926 }
1927
1928 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1929 {
1930     Q_UNUSED(previous)
1931     Q_ASSERT(m_model->sortOrder() == current);
1932
1933     ViewProperties props(viewPropertiesUrl());
1934     props.setSortOrder(current);
1935
1936     Q_EMIT sortOrderChanged(current);
1937 }
1938
1939 void DolphinView::slotSortRoleChangedByHeader(const QByteArray &current, const QByteArray &previous)
1940 {
1941     Q_UNUSED(previous)
1942     Q_ASSERT(m_model->sortRole() == current);
1943
1944     ViewProperties props(viewPropertiesUrl());
1945     props.setSortRole(current);
1946
1947     Q_EMIT sortRoleChanged(current);
1948 }
1949
1950 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray> &current, const QList<QByteArray> &previous)
1951 {
1952     Q_UNUSED(previous)
1953     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1954
1955     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1956
1957     m_visibleRoles = current;
1958
1959     ViewProperties props(viewPropertiesUrl());
1960     props.setVisibleRoles(m_visibleRoles);
1961
1962     Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1963 }
1964
1965 void DolphinView::slotRoleEditingCanceled()
1966 {
1967     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1968 }
1969
1970 void DolphinView::slotRoleEditingFinished(int index, const QByteArray &role, const QVariant &value)
1971 {
1972     disconnect(m_view, &DolphinItemListView::roleEditingFinished, this, &DolphinView::slotRoleEditingFinished);
1973
1974     const KFileItemList items = selectedItems();
1975     if (items.count() != 1) {
1976         return;
1977     }
1978
1979     if (role == "text") {
1980         const KFileItem oldItem = items.first();
1981         const EditResult retVal = value.value<EditResult>();
1982         const QString newName = retVal.newName;
1983         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1984             const QUrl oldUrl = oldItem.url();
1985
1986             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1987             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1988
1989 #ifndef Q_OS_WIN
1990             // Confirm hiding file/directory by renaming inline
1991             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1992                 KGuiItem yesGuiItem(i18nc("@action:button", "Rename and Hide"), QStringLiteral("view-hidden"));
1993
1994                 const auto code =
1995                     KMessageBox::questionTwoActions(this,
1996                                                     oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1997                                                                             "Do you still want to rename it?")
1998                                                                      : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1999                                                                             "Do you still want to rename it?"),
2000                                                     oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
2001                                                     yesGuiItem,
2002                                                     KStandardGuiItem::cancel(),
2003                                                     QStringLiteral("ConfirmHide"));
2004
2005                 if (code == KMessageBox::SecondaryAction) {
2006                     return;
2007                 }
2008             }
2009 #endif
2010
2011             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
2012             if (!newNameExistsAlready && m_model->index(oldUrl) == index) {
2013                 // Only change the data in the model if no item with the new name
2014                 // is in the model yet. If there is an item with the new name
2015                 // already, calling KIO::CopyJob will open a dialog
2016                 // asking for a new name, and KFileItemModel will update the
2017                 // data when the dir lister signals that the file name has changed.
2018                 QHash<QByteArray, QVariant> data;
2019                 data.insert(role, retVal.newName);
2020                 m_model->setData(index, data);
2021             }
2022
2023             KIO::Job *job = KIO::moveAs(oldUrl, newUrl);
2024             KJobWidgets::setWindow(job, this);
2025             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
2026             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
2027
2028             if (!newNameExistsAlready) {
2029                 forceUrlsSelection(newUrl, {newUrl});
2030
2031                 // Only connect the result signal if there is no item with the new name
2032                 // in the model yet, see bug 328262.
2033                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
2034             }
2035         }
2036         if (retVal.direction != EditDone) {
2037             const short indexShift = retVal.direction == EditNext ? 1 : -1;
2038             m_container->controller()->selectionManager()->setSelected(index, 1, KItemListSelectionManager::Deselect);
2039             m_container->controller()->selectionManager()->setSelected(index + indexShift, 1, KItemListSelectionManager::Select);
2040             renameSelectedItems();
2041         }
2042     }
2043 }
2044
2045 void DolphinView::loadDirectory(const QUrl &url, bool reload)
2046 {
2047     if (!url.isValid()) {
2048         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
2049         if (location.isEmpty()) {
2050             Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."));
2051         } else {
2052             Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
2053         }
2054         return;
2055     }
2056
2057     if (reload) {
2058         m_model->refreshDirectory(url);
2059     } else {
2060         m_model->loadDirectory(url);
2061     }
2062 }
2063
2064 void DolphinView::applyViewProperties()
2065 {
2066     const ViewProperties props(viewPropertiesUrl());
2067     applyViewProperties(props);
2068 }
2069
2070 void DolphinView::applyViewProperties(const ViewProperties &props)
2071 {
2072     m_view->beginTransaction();
2073
2074     const Mode mode = props.viewMode();
2075     if (m_mode != mode) {
2076         const Mode previousMode = m_mode;
2077         m_mode = mode;
2078
2079         // Changing the mode might result in changing
2080         // the zoom level. Remember the old zoom level so
2081         // that zoomLevelChanged() can get emitted.
2082         const int oldZoomLevel = m_view->zoomLevel();
2083         applyModeToView();
2084
2085         Q_EMIT modeChanged(m_mode, previousMode);
2086
2087         if (m_view->zoomLevel() != oldZoomLevel) {
2088             Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
2089         }
2090     }
2091
2092     const bool hiddenFilesShown = props.hiddenFilesShown();
2093     if (hiddenFilesShown != m_model->showHiddenFiles()) {
2094         m_model->setShowHiddenFiles(hiddenFilesShown);
2095         Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
2096     }
2097
2098     const bool groupedSorting = props.groupedSorting();
2099     if (groupedSorting != m_model->groupedSorting()) {
2100         m_model->setGroupedSorting(groupedSorting);
2101         Q_EMIT groupedSortingChanged(groupedSorting);
2102     }
2103
2104     const QByteArray sortRole = props.sortRole();
2105     if (sortRole != m_model->sortRole()) {
2106         m_model->setSortRole(sortRole);
2107         Q_EMIT sortRoleChanged(sortRole);
2108     }
2109
2110     const Qt::SortOrder sortOrder = props.sortOrder();
2111     if (sortOrder != m_model->sortOrder()) {
2112         m_model->setSortOrder(sortOrder);
2113         Q_EMIT sortOrderChanged(sortOrder);
2114     }
2115
2116     const bool sortFoldersFirst = props.sortFoldersFirst();
2117     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
2118         m_model->setSortDirectoriesFirst(sortFoldersFirst);
2119         Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
2120     }
2121
2122     const bool sortHiddenLast = props.sortHiddenLast();
2123     if (sortHiddenLast != m_model->sortHiddenLast()) {
2124         m_model->setSortHiddenLast(sortHiddenLast);
2125         Q_EMIT sortHiddenLastChanged(sortHiddenLast);
2126     }
2127
2128     const QList<QByteArray> visibleRoles = props.visibleRoles();
2129     if (visibleRoles != m_visibleRoles) {
2130         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
2131         m_visibleRoles = visibleRoles;
2132         m_view->setVisibleRoles(visibleRoles);
2133         Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
2134     }
2135
2136     const bool previewsShown = props.previewsShown();
2137     if (previewsShown != m_view->previewsShown()) {
2138         const int oldZoomLevel = zoomLevel();
2139
2140         m_view->setPreviewsShown(previewsShown);
2141         Q_EMIT previewsShownChanged(previewsShown);
2142
2143         // Changing the preview-state might result in a changed zoom-level
2144         if (oldZoomLevel != zoomLevel()) {
2145             Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
2146         }
2147     }
2148
2149     KItemListView *itemListView = m_container->controller()->view();
2150     if (itemListView->isHeaderVisible()) {
2151         KItemListHeader *header = itemListView->header();
2152         const QList<int> headerColumnWidths = props.headerColumnWidths();
2153         const int rolesCount = m_visibleRoles.count();
2154         if (headerColumnWidths.count() == rolesCount) {
2155             header->setAutomaticColumnResizing(false);
2156
2157             QHash<QByteArray, qreal> columnWidths;
2158             for (int i = 0; i < rolesCount; ++i) {
2159                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
2160             }
2161             header->setColumnWidths(columnWidths);
2162         } else {
2163             header->setAutomaticColumnResizing(true);
2164         }
2165         header->setSidePadding(DetailsModeSettings::sidePadding());
2166     }
2167
2168     m_view->endTransaction();
2169 }
2170
2171 void DolphinView::applyModeToView()
2172 {
2173     switch (m_mode) {
2174     case IconsView:
2175         m_view->setItemLayout(KFileItemListView::IconsLayout);
2176         break;
2177     case CompactView:
2178         m_view->setItemLayout(KFileItemListView::CompactLayout);
2179         break;
2180     case DetailsView:
2181         m_view->setItemLayout(KFileItemListView::DetailsLayout);
2182         break;
2183     default:
2184         Q_ASSERT(false);
2185         break;
2186     }
2187 }
2188
2189 void DolphinView::pasteToUrl(const QUrl &url)
2190 {
2191     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
2192     KJobWidgets::setWindow(job, this);
2193     m_clearSelectionBeforeSelectingNewItems = true;
2194     m_markFirstNewlySelectedItemAsCurrent = true;
2195     m_selectJobCreatedItems = true;
2196     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
2197     connect(job, &KIO::PasteJob::copyJobStarted, this, [this](const KIO::CopyJob *copyJob) {
2198         connect(copyJob, &KIO::CopyJob::copying, this, &DolphinView::slotItemCreatedFromJob);
2199         connect(copyJob, &KIO::CopyJob::moving, this, &DolphinView::slotItemCreatedFromJob);
2200         connect(copyJob, &KIO::CopyJob::linking, this, [this](KIO::Job *job, const QString &src, const QUrl &dest) {
2201             Q_UNUSED(job)
2202             Q_UNUSED(src)
2203             slotItemCreated(dest);
2204         });
2205     });
2206     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotJobResult);
2207 }
2208
2209 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
2210 {
2211     QList<QUrl> urls;
2212
2213     const KFileItemList items = selectedItems();
2214     urls.reserve(items.count());
2215     for (const KFileItem &item : items) {
2216         urls.append(item.url());
2217     }
2218
2219     if (itemsExpandable()) {
2220         // TODO: Check if we still need KDirModel for this in KDE 5.0
2221         urls = KDirModel::simplifiedUrlList(urls);
2222     }
2223
2224     return urls;
2225 }
2226
2227 QMimeData *DolphinView::selectionMimeData() const
2228 {
2229     const KItemListSelectionManager *selectionManager = m_container->controller()->selectionManager();
2230     const KItemSet selectedIndexes = selectionManager->selectedItems();
2231
2232     return m_model->createMimeData(selectedIndexes);
2233 }
2234
2235 void DolphinView::updateWritableState()
2236 {
2237     const bool wasFolderWritable = m_isFolderWritable;
2238     m_isFolderWritable = false;
2239
2240     KFileItem item = m_model->rootItem();
2241     if (item.isNull()) {
2242         // Try to find out if the URL is writable even if the "root item" is
2243         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
2244         item = KFileItem(url());
2245         item.setDelayedMimeTypes(true);
2246     }
2247
2248     KFileItemListProperties capabilities(KFileItemList() << item);
2249     m_isFolderWritable = capabilities.supportsWriting();
2250
2251     if (m_isFolderWritable != wasFolderWritable) {
2252         Q_EMIT writeStateChanged(m_isFolderWritable);
2253     }
2254 }
2255
2256 bool DolphinView::isFolderWritable() const
2257 {
2258     return m_isFolderWritable;
2259 }
2260
2261 QUrl DolphinView::viewPropertiesUrl() const
2262 {
2263     if (m_viewPropertiesContext.isEmpty()) {
2264         return m_url;
2265     }
2266
2267     QUrl url;
2268     url.setScheme(m_url.scheme());
2269     url.setPath(m_viewPropertiesContext);
2270     return url;
2271 }
2272
2273 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl> &urls)
2274 {
2275     forceUrlsSelection(urls.first(), urls);
2276 }
2277
2278 void DolphinView::forceUrlsSelection(const QUrl &current, const QList<QUrl> &selected)
2279 {
2280     clearSelection();
2281     m_clearSelectionBeforeSelectingNewItems = true;
2282     markUrlAsCurrent(current);
2283     markUrlsAsSelected(selected);
2284 }
2285
2286 void DolphinView::copyPathToClipboard()
2287 {
2288     const KFileItemList list = selectedItems();
2289     if (list.isEmpty()) {
2290         return;
2291     }
2292     const KFileItem &item = list.at(0);
2293     QString path = item.localPath();
2294     if (path.isEmpty()) {
2295         path = item.url().toDisplayString();
2296     }
2297     QClipboard *clipboard = QApplication::clipboard();
2298     if (clipboard == nullptr) {
2299         return;
2300     }
2301     clipboard->setText(QDir::toNativeSeparators(path));
2302 }
2303
2304 void DolphinView::slotIncreaseZoom()
2305 {
2306     setZoomLevel(zoomLevel() + 1);
2307 }
2308
2309 void DolphinView::slotDecreaseZoom()
2310 {
2311     setZoomLevel(zoomLevel() - 1);
2312 }
2313
2314 void DolphinView::slotSwipeUp()
2315 {
2316     Q_EMIT goUpRequested();
2317 }
2318
2319 void DolphinView::showLoadingPlaceholder()
2320 {
2321     m_placeholderLabel->setText(i18n("Loading…"));
2322     m_placeholderLabel->setVisible(true);
2323 }
2324
2325 void DolphinView::updatePlaceholderLabel()
2326 {
2327     m_showLoadingPlaceholderTimer->stop();
2328     if (itemsCount() > 0) {
2329         m_placeholderLabel->setVisible(false);
2330         return;
2331     }
2332
2333     if (m_loadingState == LoadingState::Loading) {
2334         m_placeholderLabel->setVisible(false);
2335         m_showLoadingPlaceholderTimer->start();
2336         return;
2337     }
2338
2339     if (m_loadingState == LoadingState::Canceled) {
2340         m_placeholderLabel->setText(i18n("Loading canceled"));
2341     } else if (!nameFilter().isEmpty()) {
2342         m_placeholderLabel->setText(i18n("No items matching the filter"));
2343     } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
2344         m_placeholderLabel->setText(i18n("No items matching the search"));
2345     } else if (m_url.scheme() == QLatin1String("trash") && m_url.path() == QLatin1String("/")) {
2346         m_placeholderLabel->setText(i18n("Trash is empty"));
2347     } else if (m_url.scheme() == QLatin1String("tags")) {
2348         if (m_url.path() == QLatin1Char('/')) {
2349             m_placeholderLabel->setText(i18n("No tags"));
2350         } else {
2351             const QString tagName = m_url.path().mid(1); // Remove leading /
2352             m_placeholderLabel->setText(i18n("No files tagged with \"%1\"", tagName));
2353         }
2354
2355     } else if (m_url.scheme() == QLatin1String("recentlyused")) {
2356         m_placeholderLabel->setText(i18n("No recently used items"));
2357     } else if (m_url.scheme() == QLatin1String("smb")) {
2358         m_placeholderLabel->setText(i18n("No shared folders found"));
2359     } else if (m_url.scheme() == QLatin1String("network")) {
2360         m_placeholderLabel->setText(i18n("No relevant network resources found"));
2361     } else if (m_url.scheme() == QLatin1String("mtp") && m_url.path() == QLatin1String("/")) {
2362         m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
2363     } else if (m_url.scheme() == QLatin1String("afc") && m_url.path() == QLatin1String("/")) {
2364         m_placeholderLabel->setText(i18n("No Apple devices found"));
2365     } else if (m_url.scheme() == QLatin1String("bluetooth")) {
2366         m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
2367     } else {
2368         m_placeholderLabel->setText(i18n("Folder is empty"));
2369     }
2370
2371     m_placeholderLabel->setVisible(true);
2372 }
2373
2374 bool DolphinView::tryShowNameToolTip(QHelpEvent *event)
2375 {
2376     if (!GeneralSettings::showToolTips() && m_mode == DolphinView::IconsView) {
2377         const std::optional<int> index = m_view->itemAt(event->pos());
2378
2379         if (!index.has_value()) {
2380             return false;
2381         }
2382
2383         // Check whether the filename has been elided
2384         const bool isElided = m_view->isElided(index.value());
2385
2386         if (isElided) {
2387             const KFileItem item = m_model->fileItem(index.value());
2388             const QString text = item.text();
2389             const QPoint pos = mapToGlobal(event->pos());
2390             QToolTip::showText(pos, text);
2391             return true;
2392         }
2393     }
2394     return false;
2395 }
2396
2397 #include "moc_dolphinview.cpp"