src/views/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 by Peter Penz <peter.penz19@gmail.com>        *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include "dolphin_detailsmodesettings.h"
  24 #include "dolphin_generalsettings.h"
  25 #include "dolphinitemlistview.h"
  26 #include "dolphinnewfilemenuobserver.h"
  27 #include "draganddrophelper.h"
  28 #include "kitemviews/kfileitemlistview.h"
  29 #include "kitemviews/kfileitemmodel.h"
  30 #include "kitemviews/kitemlistcontainer.h"
  31 #include "kitemviews/kitemlistcontroller.h"
  32 #include "kitemviews/kitemlistheader.h"
  33 #include "kitemviews/kitemlistselectionmanager.h"
  34 #include "versioncontrol/versioncontrolobserver.h"
  35 #include "viewproperties.h"
  36 #include "views/tooltips/tooltipmanager.h"
  37 #include "zoomlevelinfo.h"
  38
  39 #ifdef HAVE_BALOO
  40 #include <Baloo/IndexerConfig>
  41 #endif
  42 #include <KColorScheme>
  43 #include <KDesktopFile>
  44 #include <KDirModel>
  45 #include <KFileItemListProperties>
  46 #include <KFormat>
  47 #include <KIO/CopyJob>
  48 #include <KIO/DeleteJob>
  49 #include <KIO/DropJob>
  50 #include <KIO/JobUiDelegate>
  51 #include <KIO/Paste>
  52 #include <KIO/PasteJob>
  53 #include <KIO/PreviewJob>
  54 #include <KIO/RenameFileDialog>
  55 #include <KJobWidgets>
  56 #include <KLocalizedString>
  57 #include <KMessageBox>
  58 #include <KProtocolManager>
  59
  60 #include <QAbstractItemView>
  61 #include <QApplication>
  62 #include <QClipboard>
  63 #include <QDropEvent>
  64 #include <QGraphicsSceneDragDropEvent>
  65 #include <QMenu>
  66 #include <QMimeDatabase>
  67 #include <QPixmapCache>
  68 #include <QPointer>
  69 #include <QScrollBar>
  70 #include <QSize>
  71 #include <QTimer>
  72 #include <QVBoxLayout>
  73
  74 DolphinView::DolphinView(const QUrl& url, QWidget* parent) :
  75     QWidget(parent),
  76     m_active(true),
  77     m_tabsForFiles(false),
  78     m_assureVisibleCurrentIndex(false),
  79     m_isFolderWritable(true),
  80     m_dragging(false),
  81     m_url(url),
  82     m_viewPropertiesContext(),
  83     m_mode(DolphinView::IconsView),
  84     m_visibleRoles(),
  85     m_topLayout(nullptr),
  86     m_model(nullptr),
  87     m_view(nullptr),
  88     m_container(nullptr),
  89     m_toolTipManager(nullptr),
  90     m_selectionChangedTimer(nullptr),
  91     m_currentItemUrl(),
  92     m_scrollToCurrentItem(false),
  93     m_restoredContentsPosition(),
  94     m_selectedUrls(),
  95     m_clearSelectionBeforeSelectingNewItems(false),
  96     m_markFirstNewlySelectedItemAsCurrent(false),
  97     m_versionControlObserver(nullptr),
  98     m_twoClicksRenamingTimer(nullptr)
  99 {
 100     m_topLayout = new QVBoxLayout(this);
 101     m_topLayout->setSpacing(0);
 102     m_topLayout->setContentsMargins(0, 0, 0, 0);
 103
 104     // When a new item has been created by the "Create New..." menu, the item should
 105     // get selected and it must be assured that the item will get visible. As the
 106     // creation is done asynchronously, several signals must be checked:
 107     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated,
 108             this, &DolphinView::observeCreatedItem);
 109
 110     m_selectionChangedTimer = new QTimer(this);
 111     m_selectionChangedTimer->setSingleShot(true);
 112     m_selectionChangedTimer->setInterval(300);
 113     connect(m_selectionChangedTimer, &QTimer::timeout,
 114             this, &DolphinView::emitSelectionChangedSignal);
 115
 116     m_model = new KFileItemModel(this);
 117     m_view = new DolphinItemListView();
 118     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 119     m_view->setVisibleRoles({"text"});
 120     applyModeToView();
 121
 122     KItemListController* controller = new KItemListController(m_model, m_view, this);
 123     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 124     controller->setAutoActivationDelay(delay);
 125
 126     // The EnlargeSmallPreviews setting can only be changed after the model
 127     // has been set in the view by KItemListController.
 128     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 129
 130     m_container = new KItemListContainer(controller, this);
 131     m_container->installEventFilter(this);
 132     setFocusProxy(m_container);
 133     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
 134     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
 135
 136     controller->setSelectionBehavior(KItemListController::MultiSelection);
 137     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 138     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 139     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 140     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 141     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 142     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 143     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 144     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 145     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 146     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 147     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 148     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 149     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 150
 151     connect(m_model, &KFileItemModel::directoryLoadingStarted,       this, &DolphinView::slotDirectoryLoadingStarted);
 152     connect(m_model, &KFileItemModel::directoryLoadingCompleted,     this, &DolphinView::slotDirectoryLoadingCompleted);
 153     connect(m_model, &KFileItemModel::directoryLoadingCanceled,      this, &DolphinView::directoryLoadingCanceled);
 154     connect(m_model, &KFileItemModel::directoryLoadingProgress,   this, &DolphinView::directoryLoadingProgress);
 155     connect(m_model, &KFileItemModel::directorySortingProgress,   this, &DolphinView::directorySortingProgress);
 156     connect(m_model, &KFileItemModel::itemsChanged,
 157             this, &DolphinView::slotItemsChanged);
 158     connect(m_model, &KFileItemModel::itemsRemoved,    this, &DolphinView::itemCountChanged);
 159     connect(m_model, &KFileItemModel::itemsInserted,   this, &DolphinView::itemCountChanged);
 160     connect(m_model, &KFileItemModel::infoMessage,            this, &DolphinView::infoMessage);
 161     connect(m_model, &KFileItemModel::errorMessage,           this, &DolphinView::errorMessage);
 162     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 163     connect(m_model, &KFileItemModel::urlIsFileError,            this, &DolphinView::urlIsFileError);
 164
 165     m_view->installEventFilter(this);
 166     connect(m_view, &DolphinItemListView::sortOrderChanged,
 167             this, &DolphinView::slotSortOrderChangedByHeader);
 168     connect(m_view, &DolphinItemListView::sortRoleChanged,
 169             this, &DolphinView::slotSortRoleChangedByHeader);
 170     connect(m_view, &DolphinItemListView::visibleRolesChanged,
 171             this, &DolphinView::slotVisibleRolesChangedByHeader);
 172     connect(m_view, &DolphinItemListView::roleEditingCanceled,
 173             this, &DolphinView::slotRoleEditingCanceled);
 174     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished,
 175             this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 176
 177     KItemListSelectionManager* selectionManager = controller->selectionManager();
 178     connect(selectionManager, &KItemListSelectionManager::selectionChanged,
 179             this, &DolphinView::slotSelectionChanged);
 180
 181 #ifdef HAVE_BALOO
 182     m_toolTipManager = new ToolTipManager(this);
 183     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 184 #endif
 185
 186     m_versionControlObserver = new VersionControlObserver(this);
 187     m_versionControlObserver->setView(this);
 188     m_versionControlObserver->setModel(m_model);
 189     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 190     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 191     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 192
 193     m_twoClicksRenamingTimer = new QTimer(this);
 194     m_twoClicksRenamingTimer->setSingleShot(true);
 195     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 196
 197     applyViewProperties();
 198     m_topLayout->addWidget(m_container);
 199
 200     loadDirectory(url);
 201 }
 202
 203 DolphinView::~DolphinView()
 204 {
 205 }
 206
 207 QUrl DolphinView::url() const
 208 {
 209     return m_url;
 210 }
 211
 212 void DolphinView::setActive(bool active)
 213 {
 214     if (active == m_active) {
 215         return;
 216     }
 217
 218     m_active = active;
 219
 220     updatePalette();
 221
 222     if (active) {
 223         m_container->setFocus();
 224         emit activated();
 225         emit writeStateChanged(m_isFolderWritable);
 226     }
 227 }
 228
 229 bool DolphinView::isActive() const
 230 {
 231     return m_active;
 232 }
 233
 234 void DolphinView::setMode(Mode mode)
 235 {
 236     if (mode != m_mode) {
 237         ViewProperties props(viewPropertiesUrl());
 238         props.setViewMode(mode);
 239
 240         // We pass the new ViewProperties to applyViewProperties, rather than
 241         // storing them on disk and letting applyViewProperties() read them
 242         // from there, to prevent that changing the view mode fails if the
 243         // .directory file is not writable (see bug 318534).
 244         applyViewProperties(props);
 245     }
 246 }
 247
 248 DolphinView::Mode DolphinView::mode() const
 249 {
 250     return m_mode;
 251 }
 252
 253 void DolphinView::setPreviewsShown(bool show)
 254 {
 255     if (previewsShown() == show) {
 256         return;
 257     }
 258
 259     ViewProperties props(viewPropertiesUrl());
 260     props.setPreviewsShown(show);
 261
 262     const int oldZoomLevel = m_view->zoomLevel();
 263     m_view->setPreviewsShown(show);
 264     emit previewsShownChanged(show);
 265
 266     const int newZoomLevel = m_view->zoomLevel();
 267     if (newZoomLevel != oldZoomLevel) {
 268         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 269     }
 270 }
 271
 272 bool DolphinView::previewsShown() const
 273 {
 274     return m_view->previewsShown();
 275 }
 276
 277 void DolphinView::setHiddenFilesShown(bool show)
 278 {
 279     if (m_model->showHiddenFiles() == show) {
 280         return;
 281     }
 282
 283     const KFileItemList itemList = selectedItems();
 284     m_selectedUrls.clear();
 285     m_selectedUrls = itemList.urlList();
 286
 287     ViewProperties props(viewPropertiesUrl());
 288     props.setHiddenFilesShown(show);
 289
 290     m_model->setShowHiddenFiles(show);
 291     emit hiddenFilesShownChanged(show);
 292 }
 293
 294 bool DolphinView::hiddenFilesShown() const
 295 {
 296     return m_model->showHiddenFiles();
 297 }
 298
 299 void DolphinView::setGroupedSorting(bool grouped)
 300 {
 301     if (grouped == groupedSorting()) {
 302         return;
 303     }
 304
 305     ViewProperties props(viewPropertiesUrl());
 306     props.setGroupedSorting(grouped);
 307     props.save();
 308
 309     m_container->controller()->model()->setGroupedSorting(grouped);
 310
 311     emit groupedSortingChanged(grouped);
 312 }
 313
 314 bool DolphinView::groupedSorting() const
 315 {
 316     return m_model->groupedSorting();
 317 }
 318
 319 KFileItemList DolphinView::items() const
 320 {
 321     KFileItemList list;
 322     const int itemCount = m_model->count();
 323     list.reserve(itemCount);
 324
 325     for (int i = 0; i < itemCount; ++i) {
 326         list.append(m_model->fileItem(i));
 327     }
 328
 329     return list;
 330 }
 331
 332 int DolphinView::itemsCount() const
 333 {
 334     return m_model->count();
 335 }
 336
 337 KFileItemList DolphinView::selectedItems() const
 338 {
 339     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 340
 341     KFileItemList selectedItems;
 342     const auto items = selectionManager->selectedItems();
 343     selectedItems.reserve(items.count());
 344     for (int index : items) {
 345         selectedItems.append(m_model->fileItem(index));
 346     }
 347     return selectedItems;
 348 }
 349
 350 int DolphinView::selectedItemsCount() const
 351 {
 352     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 353     return selectionManager->selectedItems().count();
 354 }
 355
 356 void DolphinView::markUrlsAsSelected(const QList<QUrl>& urls)
 357 {
 358     m_selectedUrls = urls;
 359 }
 360
 361 void DolphinView::markUrlAsCurrent(const QUrl &url)
 362 {
 363     m_currentItemUrl = url;
 364     m_scrollToCurrentItem = true;
 365 }
 366
 367 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 368 {
 369     const KItemListSelectionManager::SelectionMode mode = enabled
 370                                                         ? KItemListSelectionManager::Select
 371                                                         : KItemListSelectionManager::Deselect;
 372     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 373
 374     for (int index = 0; index < m_model->count(); index++) {
 375         const KFileItem item = m_model->fileItem(index);
 376         if (pattern.exactMatch(item.text())) {
 377             // An alternative approach would be to store the matching items in a KItemSet and
 378             // select them in one go after the loop, but we'd need a new function
 379             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 380             // for that.
 381             selectionManager->setSelected(index, 1, mode);
 382         }
 383     }
 384 }
 385
 386 void DolphinView::setZoomLevel(int level)
 387 {
 388     const int oldZoomLevel = zoomLevel();
 389     m_view->setZoomLevel(level);
 390     if (zoomLevel() != oldZoomLevel) {
 391         hideToolTip();
 392         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 393     }
 394 }
 395
 396 int DolphinView::zoomLevel() const
 397 {
 398     return m_view->zoomLevel();
 399 }
 400
 401 void DolphinView::setSortRole(const QByteArray& role)
 402 {
 403     if (role != sortRole()) {
 404         updateSortRole(role);
 405     }
 406 }
 407
 408 QByteArray DolphinView::sortRole() const
 409 {
 410     const KItemModelBase* model = m_container->controller()->model();
 411     return model->sortRole();
 412 }
 413
 414 void DolphinView::setSortOrder(Qt::SortOrder order)
 415 {
 416     if (sortOrder() != order) {
 417         updateSortOrder(order);
 418     }
 419 }
 420
 421 Qt::SortOrder DolphinView::sortOrder() const
 422 {
 423     return m_model->sortOrder();
 424 }
 425
 426 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 427 {
 428     if (sortFoldersFirst() != foldersFirst) {
 429         updateSortFoldersFirst(foldersFirst);
 430     }
 431 }
 432
 433 bool DolphinView::sortFoldersFirst() const
 434 {
 435     return m_model->sortDirectoriesFirst();
 436 }
 437
 438 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 439 {
 440     const QList<QByteArray> previousRoles = roles;
 441
 442     ViewProperties props(viewPropertiesUrl());
 443     props.setVisibleRoles(roles);
 444
 445     m_visibleRoles = roles;
 446     m_view->setVisibleRoles(roles);
 447
 448     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 449 }
 450
 451 QList<QByteArray> DolphinView::visibleRoles() const
 452 {
 453     return m_visibleRoles;
 454 }
 455
 456 void DolphinView::reload()
 457 {
 458     QByteArray viewState;
 459     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 460     saveState(saveStream);
 461
 462     setUrl(url());
 463     loadDirectory(url(), true);
 464
 465     QDataStream restoreStream(viewState);
 466     restoreState(restoreStream);
 467 }
 468
 469 void DolphinView::readSettings()
 470 {
 471     const int oldZoomLevel = m_view->zoomLevel();
 472
 473     GeneralSettings::self()->load();
 474     m_view->readSettings();
 475     applyViewProperties();
 476
 477     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 478     m_container->controller()->setAutoActivationDelay(delay);
 479
 480     const int newZoomLevel = m_view->zoomLevel();
 481     if (newZoomLevel != oldZoomLevel) {
 482         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 483     }
 484 }
 485
 486 void DolphinView::writeSettings()
 487 {
 488     GeneralSettings::self()->save();
 489     m_view->writeSettings();
 490 }
 491
 492 void DolphinView::setNameFilter(const QString& nameFilter)
 493 {
 494     m_model->setNameFilter(nameFilter);
 495 }
 496
 497 QString DolphinView::nameFilter() const
 498 {
 499     return m_model->nameFilter();
 500 }
 501
 502 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 503 {
 504     return m_model->setMimeTypeFilters(filters);
 505 }
 506
 507 QStringList DolphinView::mimeTypeFilters() const
 508 {
 509     return m_model->mimeTypeFilters();
 510 }
 511
 512 QString DolphinView::statusBarText() const
 513 {
 514     QString summary;
 515     QString foldersText;
 516     QString filesText;
 517
 518     int folderCount = 0;
 519     int fileCount = 0;
 520     KIO::filesize_t totalFileSize = 0;
 521
 522     if (m_container->controller()->selectionManager()->hasSelection()) {
 523         // Give a summary of the status of the selected files
 524         const KFileItemList list = selectedItems();
 525         foreach (const KFileItem& item, list) {
 526             if (item.isDir()) {
 527                 ++folderCount;
 528             } else {
 529                 ++fileCount;
 530                 totalFileSize += item.size();
 531             }
 532         }
 533
 534         if (folderCount + fileCount == 1) {
 535             // If only one item is selected, show info about it
 536             return list.first().getStatusBarInfo();
 537         } else {
 538             // At least 2 items are selected
 539             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 540             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 541         }
 542     } else {
 543         calculateItemCount(fileCount, folderCount, totalFileSize);
 544         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 545         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 546     }
 547
 548     if (fileCount > 0 && folderCount > 0) {
 549         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 550                         foldersText, filesText,
 551                         KFormat().formatByteSize(totalFileSize));
 552     } else if (fileCount > 0) {
 553         summary = i18nc("@info:status files (size)", "%1 (%2)",
 554                         filesText,
 555                         KFormat().formatByteSize(totalFileSize));
 556     } else if (folderCount > 0) {
 557         summary = foldersText;
 558     } else {
 559         summary = i18nc("@info:status", "0 Folders, 0 Files");
 560     }
 561
 562     return summary;
 563 }
 564
 565 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 566 {
 567     QList<QAction*> actions;
 568
 569     if (items.isEmpty()) {
 570         const KFileItem item = m_model->rootItem();
 571         if (!item.isNull()) {
 572             actions = m_versionControlObserver->actions(KFileItemList() << item);
 573         }
 574     } else {
 575         actions = m_versionControlObserver->actions(items);
 576     }
 577
 578     return actions;
 579 }
 580
 581 void DolphinView::setUrl(const QUrl& url)
 582 {
 583     if (url == m_url) {
 584         return;
 585     }
 586
 587     clearSelection();
 588
 589     m_url = url;
 590
 591     hideToolTip();
 592
 593     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 594                this, &DolphinView::slotRoleEditingFinished);
 595
 596     // It is important to clear the items from the model before
 597     // applying the view properties, otherwise expensive operations
 598     // might be done on the existing items although they get cleared
 599     // anyhow afterwards by loadDirectory().
 600     m_model->clear();
 601     applyViewProperties();
 602     loadDirectory(url);
 603
 604     emit urlChanged(url);
 605 }
 606
 607 void DolphinView::selectAll()
 608 {
 609     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 610     selectionManager->setSelected(0, m_model->count());
 611 }
 612
 613 void DolphinView::invertSelection()
 614 {
 615     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 616     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 617 }
 618
 619 void DolphinView::clearSelection()
 620 {
 621     m_selectedUrls.clear();
 622     m_container->controller()->selectionManager()->clearSelection();
 623 }
 624
 625 void DolphinView::renameSelectedItems()
 626 {
 627     const KFileItemList items = selectedItems();
 628     if (items.isEmpty()) {
 629         return;
 630     }
 631
 632     if (items.count() == 1 && GeneralSettings::renameInline()) {
 633         const int index = m_model->index(items.first());
 634         m_view->editRole(index, "text");
 635
 636         hideToolTip();
 637
 638         connect(m_view, &DolphinItemListView::roleEditingFinished,
 639                 this, &DolphinView::slotRoleEditingFinished);
 640     } else {
 641         KIO::RenameFileDialog* dialog = new KIO::RenameFileDialog(items, this);
 642         connect(dialog, &KIO::RenameFileDialog::renamingFinished,
 643                 this, &DolphinView::slotRenameDialogRenamingFinished);
 644
 645         dialog->open();
 646     }
 647
 648     // Assure that the current index remains visible when KFileItemModel
 649     // will notify the view about changed items (which might result in
 650     // a changed sorting).
 651     m_assureVisibleCurrentIndex = true;
 652 }
 653
 654 void DolphinView::trashSelectedItems()
 655 {
 656     const QList<QUrl> list = simplifiedSelectedUrls();
 657     KIO::JobUiDelegate uiDelegate;
 658     uiDelegate.setWindow(window());
 659     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 660         KIO::Job* job = KIO::trash(list);
 661         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, QUrl(QStringLiteral("trash:/")), job);
 662         KJobWidgets::setWindow(job, this);
 663         connect(job, &KIO::Job::result,
 664                 this, &DolphinView::slotTrashFileFinished);
 665     }
 666 }
 667
 668 void DolphinView::deleteSelectedItems()
 669 {
 670     const QList<QUrl> list = simplifiedSelectedUrls();
 671
 672     KIO::JobUiDelegate uiDelegate;
 673     uiDelegate.setWindow(window());
 674     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 675         KIO::Job* job = KIO::del(list);
 676         KJobWidgets::setWindow(job, this);
 677         connect(job, &KIO::Job::result,
 678                 this, &DolphinView::slotDeleteFileFinished);
 679     }
 680 }
 681
 682 void DolphinView::cutSelectedItems()
 683 {
 684     QMimeData* mimeData = selectionMimeData();
 685     KIO::setClipboardDataCut(mimeData, true);
 686     QApplication::clipboard()->setMimeData(mimeData);
 687 }
 688
 689 void DolphinView::copySelectedItems()
 690 {
 691     QMimeData* mimeData = selectionMimeData();
 692     QApplication::clipboard()->setMimeData(mimeData);
 693 }
 694
 695 void DolphinView::paste()
 696 {
 697     pasteToUrl(url());
 698 }
 699
 700 void DolphinView::pasteIntoFolder()
 701 {
 702     const KFileItemList items = selectedItems();
 703     if ((items.count() == 1) && items.first().isDir()) {
 704         pasteToUrl(items.first().url());
 705     }
 706 }
 707
 708 void DolphinView::duplicateSelectedItems()
 709 {
 710     const KFileItemList itemList = selectedItems();
 711     if (itemList.isEmpty()) {
 712         return;
 713     }
 714
 715     const QMimeDatabase db;
 716
 717     // Duplicate all selected items and append "copy" to the end of the file name
 718     // but before the filename extension, if present
 719     QList<QUrl> newSelection;
 720     for (const auto &item : itemList) {
 721         const QUrl originalURL  = item.url();
 722         const QString originalFileName = item.name();
 723         QString extension = db.suffixForFileName(originalFileName);
 724
 725         QUrl duplicateURL = originalURL;
 726
 727         // No extension; new filename is "<oldfilename> copy"
 728         if (extension.isEmpty()) {
 729             duplicateURL.setPath(i18nc("<file path> copy", "%1 copy", originalURL.path()));
 730         // There's an extension; new filename is "<oldfilename> copy.<extension>"
 731         } else {
 732             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 733             extension = QLatin1String(".") + extension;
 734             const QString directoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 735             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 736             // Preserve file's original filename extension in case the casing differs
 737             // from what QMimeDatabase::suffixForFileName() returned
 738             const QString originalExtension = originalFileName.right(extension.size());
 739             duplicateURL.setPath(i18nc("<file path><filename> copy.<extension>", "%1%2 copy%3", directoryPath, originalFilenameWithoutExtension, originalExtension));
 740         }
 741
 742         KIO::CopyJob* job = KIO::copyAs(originalURL, duplicateURL, KIO::HideProgressInfo);
 743         KJobWidgets::setWindow(job, this);
 744
 745         if (job) {
 746             newSelection << duplicateURL;
 747             KIO::FileUndoManager::self()->recordCopyJob(job);
 748         }
 749     }
 750 }
 751
 752 void DolphinView::stopLoading()
 753 {
 754     m_model->cancelDirectoryLoading();
 755 }
 756
 757 void DolphinView::updatePalette()
 758 {
 759     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 760     if (!m_active) {
 761         color.setAlpha(150);
 762     }
 763
 764     QWidget* viewport = m_container->viewport();
 765     if (viewport) {
 766         QPalette palette;
 767         palette.setColor(viewport->backgroundRole(), color);
 768         viewport->setPalette(palette);
 769     }
 770
 771     update();
 772 }
 773
 774 void DolphinView::abortTwoClicksRenaming()
 775 {
 776     m_twoClicksRenamingItemUrl.clear();
 777     m_twoClicksRenamingTimer->stop();
 778 }
 779
 780 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 781 {
 782     switch (event->type()) {
 783     case QEvent::PaletteChange:
 784         updatePalette();
 785         QPixmapCache::clear();
 786         break;
 787
 788     case QEvent::WindowActivate:
 789     case QEvent::WindowDeactivate:
 790         updatePalette();
 791         break;
 792
 793     case QEvent::KeyPress:
 794         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 795         if (GeneralSettings::useTabForSwitchingSplitView()) {
 796             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 797             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 798                 emit toggleActiveViewRequested();
 799                 return true;
 800             }
 801         }
 802         break;
 803     case QEvent::FocusIn:
 804         if (watched == m_container) {
 805             setActive(true);
 806         }
 807         break;
 808
 809     case QEvent::GraphicsSceneDragEnter:
 810         if (watched == m_view) {
 811             m_dragging = true;
 812             abortTwoClicksRenaming();
 813         }
 814         break;
 815
 816     case QEvent::GraphicsSceneDragLeave:
 817         if (watched == m_view) {
 818             m_dragging = false;
 819         }
 820         break;
 821
 822     case QEvent::GraphicsSceneDrop:
 823         if (watched == m_view) {
 824             m_dragging = false;
 825         }
 826     default:
 827         break;
 828     }
 829
 830     return QWidget::eventFilter(watched, event);
 831 }
 832
 833 void DolphinView::wheelEvent(QWheelEvent* event)
 834 {
 835     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 836         const int numDegrees = event->delta() / 8;
 837         const int numSteps = numDegrees / 15;
 838
 839         setZoomLevel(zoomLevel() + numSteps);
 840         event->accept();
 841     } else {
 842         event->ignore();
 843     }
 844 }
 845
 846 void DolphinView::hideEvent(QHideEvent* event)
 847 {
 848     hideToolTip();
 849     QWidget::hideEvent(event);
 850 }
 851
 852 bool DolphinView::event(QEvent* event)
 853 {
 854     if (event->type() == QEvent::WindowDeactivate) {
 855         /* See Bug 297355
 856          * Dolphin leaves file preview tooltips open even when is not visible.
 857          *
 858          * Hide tool-tip when Dolphin loses focus.
 859          */
 860         hideToolTip();
 861         abortTwoClicksRenaming();
 862     }
 863
 864     return QWidget::event(event);
 865 }
 866
 867 void DolphinView::activate()
 868 {
 869     setActive(true);
 870 }
 871
 872 void DolphinView::slotItemActivated(int index)
 873 {
 874     abortTwoClicksRenaming();
 875
 876     const KFileItem item = m_model->fileItem(index);
 877     if (!item.isNull()) {
 878         emit itemActivated(item);
 879     }
 880 }
 881
 882 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 883 {
 884     Q_ASSERT(indexes.count() >= 2);
 885
 886     abortTwoClicksRenaming();
 887
 888     if (indexes.count() > 5) {
 889         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 890         const int answer = KMessageBox::warningYesNo(this, question);
 891         if (answer != KMessageBox::Yes) {
 892             return;
 893         }
 894     }
 895
 896     KFileItemList items;
 897     items.reserve(indexes.count());
 898
 899     for (int index : indexes) {
 900         KFileItem item = m_model->fileItem(index);
 901         const QUrl& url = openItemAsFolderUrl(item);
 902
 903         if (!url.isEmpty()) { // Open folders in new tabs
 904             emit tabRequested(url, DolphinTabWidget::AfterLastTab);
 905         } else {
 906             items.append(item);
 907         }
 908     }
 909
 910     if (items.count() == 1) {
 911         emit itemActivated(items.first());
 912     } else if (items.count() > 1) {
 913         emit itemsActivated(items);
 914     }
 915 }
 916
 917 void DolphinView::slotItemMiddleClicked(int index)
 918 {
 919     const KFileItem& item = m_model->fileItem(index);
 920     const QUrl& url = openItemAsFolderUrl(item);
 921     if (!url.isEmpty()) {
 922         emit tabRequested(url, DolphinTabWidget::AfterCurrentTab);
 923     } else if (isTabsForFilesEnabled()) {
 924         emit tabRequested(item.url(), DolphinTabWidget::AfterCurrentTab);
 925     }
 926 }
 927
 928 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 929 {
 930     // Force emit of a selection changed signal before we request the
 931     // context menu, to update the edit-actions first. (See Bug 294013)
 932     if (m_selectionChangedTimer->isActive()) {
 933         emitSelectionChangedSignal();
 934     }
 935
 936     const KFileItem item = m_model->fileItem(index);
 937     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 938 }
 939
 940 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 941 {
 942     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 943 }
 944
 945 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 946 {
 947     ViewProperties props(viewPropertiesUrl());
 948
 949     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
 950
 951     KItemListView* view = m_container->controller()->view();
 952     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 953
 954     bool indexingEnabled = false;
 955 #ifdef HAVE_BALOO
 956     Baloo::IndexerConfig config;
 957     indexingEnabled = config.fileIndexingEnabled();
 958 #endif
 959
 960     QString groupName;
 961     QMenu* groupMenu = nullptr;
 962
 963     // Add all roles to the menu that can be shown or hidden by the user
 964     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 965     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 966         if (info.role == "text") {
 967             // It should not be possible to hide the "text" role
 968             continue;
 969         }
 970
 971         const QString text = m_model->roleDescription(info.role);
 972         QAction* action = nullptr;
 973         if (info.group.isEmpty()) {
 974             action = menu->addAction(text);
 975         } else {
 976             if (!groupMenu || info.group != groupName) {
 977                 groupName = info.group;
 978                 groupMenu = menu->addMenu(groupName);
 979             }
 980
 981             action = groupMenu->addAction(text);
 982         }
 983
 984         action->setCheckable(true);
 985         action->setChecked(visibleRolesSet.contains(info.role));
 986         action->setData(info.role);
 987
 988         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 989                             (info.requiresBaloo) ||
 990                             (info.requiresIndexer && indexingEnabled);
 991         action->setEnabled(enable);
 992     }
 993
 994     menu->addSeparator();
 995
 996     QActionGroup* widthsGroup = new QActionGroup(menu);
 997     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 998
 999     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1000     autoAdjustWidthsAction->setCheckable(true);
1001     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1002     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1003
1004     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1005     customWidthsAction->setCheckable(true);
1006     customWidthsAction->setChecked(!autoColumnWidths);
1007     customWidthsAction->setActionGroup(widthsGroup);
1008
1009     QAction* action = menu->exec(pos.toPoint());
1010     if (menu && action) {
1011         KItemListHeader* header = view->header();
1012
1013         if (action == autoAdjustWidthsAction) {
1014             // Clear the column-widths from the viewproperties and turn on
1015             // the automatic resizing of the columns
1016             props.setHeaderColumnWidths(QList<int>());
1017             header->setAutomaticColumnResizing(true);
1018         } else if (action == customWidthsAction) {
1019             // Apply the current column-widths as custom column-widths and turn
1020             // off the automatic resizing of the columns
1021             QList<int> columnWidths;
1022             columnWidths.reserve(view->visibleRoles().count());
1023             foreach (const QByteArray& role, view->visibleRoles()) {
1024                 columnWidths.append(header->columnWidth(role));
1025             }
1026             props.setHeaderColumnWidths(columnWidths);
1027             header->setAutomaticColumnResizing(false);
1028         } else {
1029             // Show or hide the selected role
1030             const QByteArray selectedRole = action->data().toByteArray();
1031
1032             QList<QByteArray> visibleRoles = view->visibleRoles();
1033             if (action->isChecked()) {
1034                 visibleRoles.append(selectedRole);
1035             } else {
1036                 visibleRoles.removeOne(selectedRole);
1037             }
1038
1039             view->setVisibleRoles(visibleRoles);
1040             props.setVisibleRoles(visibleRoles);
1041
1042             QList<int> columnWidths;
1043             if (!header->automaticColumnResizing()) {
1044                 columnWidths.reserve(view->visibleRoles().count());
1045                 foreach (const QByteArray& role, view->visibleRoles()) {
1046                     columnWidths.append(header->columnWidth(role));
1047                 }
1048             }
1049             props.setHeaderColumnWidths(columnWidths);
1050         }
1051     }
1052
1053     delete menu;
1054 }
1055
1056 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current)
1057 {
1058     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1059
1060     ViewProperties props(viewPropertiesUrl());
1061     QList<int> columnWidths = props.headerColumnWidths();
1062     if (columnWidths.count() != visibleRoles.count()) {
1063         columnWidths.clear();
1064         columnWidths.reserve(visibleRoles.count());
1065         const KItemListHeader* header = m_view->header();
1066         foreach (const QByteArray& role, visibleRoles) {
1067             const int width = header->columnWidth(role);
1068             columnWidths.append(width);
1069         }
1070     }
1071
1072     const int roleIndex = visibleRoles.indexOf(role);
1073     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1074     columnWidths[roleIndex] = current;
1075
1076     props.setHeaderColumnWidths(columnWidths);
1077 }
1078
1079 void DolphinView::slotItemHovered(int index)
1080 {
1081     const KFileItem item = m_model->fileItem(index);
1082
1083     if (GeneralSettings::showToolTips() && !m_dragging) {
1084         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1085         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1086         itemRect.moveTo(pos);
1087
1088 #ifdef HAVE_BALOO
1089         m_toolTipManager->showToolTip(item, itemRect, nativeParentWidget()->windowHandle());
1090 #endif
1091     }
1092
1093     emit requestItemInfo(item);
1094 }
1095
1096 void DolphinView::slotItemUnhovered(int index)
1097 {
1098     Q_UNUSED(index)
1099     hideToolTip();
1100     emit requestItemInfo(KFileItem());
1101 }
1102
1103 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1104 {
1105     QUrl destUrl;
1106     KFileItem destItem = m_model->fileItem(index);
1107     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1108         // Use the URL of the view as drop target if the item is no directory
1109         // or desktop-file
1110         destItem = m_model->rootItem();
1111         destUrl = url();
1112     } else {
1113         // The item represents a directory or desktop-file
1114         destUrl = destItem.mostLocalUrl();
1115     }
1116
1117     QDropEvent dropEvent(event->pos().toPoint(),
1118                          event->possibleActions(),
1119                          event->mimeData(),
1120                          event->buttons(),
1121                          event->modifiers());
1122     dropUrls(destUrl, &dropEvent, this);
1123
1124     setActive(true);
1125 }
1126
1127 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1128 {
1129     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1130
1131     if (job) {
1132         connect(job, &KIO::DropJob::result, this, &DolphinView::slotPasteJobResult);
1133
1134         if (destUrl == url()) {
1135             // Mark the dropped urls as selected.
1136             m_clearSelectionBeforeSelectingNewItems = true;
1137             m_markFirstNewlySelectedItemAsCurrent = true;
1138             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1139         }
1140     }
1141 }
1142
1143 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1144 {
1145     if (previous != nullptr) {
1146         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1147         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1148         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1149         m_versionControlObserver->setModel(nullptr);
1150     }
1151
1152     if (current) {
1153         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1154         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1155         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1156         m_versionControlObserver->setModel(fileItemModel);
1157     }
1158 }
1159
1160 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1161 {
1162     Q_UNUSED(itemIndex)
1163
1164     hideToolTip();
1165
1166     if (buttons & Qt::BackButton) {
1167         emit goBackRequested();
1168     } else if (buttons & Qt::ForwardButton) {
1169         emit goForwardRequested();
1170     }
1171 }
1172
1173 void DolphinView::slotSelectedItemTextPressed(int index)
1174 {
1175     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1176         const KFileItem item = m_model->fileItem(index);
1177         const KFileItemListProperties capabilities(KFileItemList() << item);
1178         if (capabilities.supportsMoving()) {
1179             m_twoClicksRenamingItemUrl = item.url();
1180             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1181         }
1182     }
1183 }
1184
1185 void DolphinView::slotItemCreated(const QUrl& url)
1186 {
1187     if (m_markFirstNewlySelectedItemAsCurrent) {
1188         markUrlAsCurrent(url);
1189         m_markFirstNewlySelectedItemAsCurrent = false;
1190     }
1191     m_selectedUrls << url;
1192 }
1193
1194 void DolphinView::slotPasteJobResult(KJob *job)
1195 {
1196     if (job->error()) {
1197         emit errorMessage(job->errorString());
1198     }
1199     if (!m_selectedUrls.isEmpty()) {
1200         m_selectedUrls << KDirModel::simplifiedUrlList(m_selectedUrls);
1201     }
1202 }
1203
1204 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1205 {
1206     const int currentCount = current.count();
1207     const int previousCount = previous.count();
1208     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1209                                        (currentCount >  0 && previousCount == 0);
1210
1211     // If nothing has been selected before and something got selected (or if something
1212     // was selected before and now nothing is selected) the selectionChangedSignal must
1213     // be emitted asynchronously as fast as possible to update the edit-actions.
1214     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1215     m_selectionChangedTimer->start();
1216 }
1217
1218 void DolphinView::emitSelectionChangedSignal()
1219 {
1220     m_selectionChangedTimer->stop();
1221     emit selectionChanged(selectedItems());
1222 }
1223
1224 void DolphinView::updateSortRole(const QByteArray& role)
1225 {
1226     ViewProperties props(viewPropertiesUrl());
1227     props.setSortRole(role);
1228
1229     KItemModelBase* model = m_container->controller()->model();
1230     model->setSortRole(role);
1231
1232     emit sortRoleChanged(role);
1233 }
1234
1235 void DolphinView::updateSortOrder(Qt::SortOrder order)
1236 {
1237     ViewProperties props(viewPropertiesUrl());
1238     props.setSortOrder(order);
1239
1240     m_model->setSortOrder(order);
1241
1242     emit sortOrderChanged(order);
1243 }
1244
1245 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1246 {
1247     ViewProperties props(viewPropertiesUrl());
1248     props.setSortFoldersFirst(foldersFirst);
1249
1250     m_model->setSortDirectoriesFirst(foldersFirst);
1251
1252     emit sortFoldersFirstChanged(foldersFirst);
1253 }
1254
1255 QPair<bool, QString> DolphinView::pasteInfo() const
1256 {
1257     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1258     QPair<bool, QString> info;
1259     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1260     return info;
1261 }
1262
1263 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1264 {
1265     m_tabsForFiles = tabsForFiles;
1266 }
1267
1268 bool DolphinView::isTabsForFilesEnabled() const
1269 {
1270     return m_tabsForFiles;
1271 }
1272
1273 bool DolphinView::itemsExpandable() const
1274 {
1275     return m_mode == DetailsView;
1276 }
1277
1278 void DolphinView::restoreState(QDataStream& stream)
1279 {
1280     // Read the version number of the view state and check if the version is supported.
1281     quint32 version = 0;
1282     stream >> version;
1283     if (version != 1) {
1284         // The version of the view state isn't supported, we can't restore it.
1285         return;
1286     }
1287
1288     // Restore the current item that had the keyboard focus
1289     stream >> m_currentItemUrl;
1290
1291     // Restore the previously selected items
1292     stream >> m_selectedUrls;
1293
1294     // Restore the view position
1295     stream >> m_restoredContentsPosition;
1296
1297     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1298     QSet<QUrl> urls;
1299     stream >> urls;
1300     m_model->restoreExpandedDirectories(urls);
1301 }
1302
1303 void DolphinView::saveState(QDataStream& stream)
1304 {
1305     stream << quint32(1); // View state version
1306
1307     // Save the current item that has the keyboard focus
1308     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1309     if (currentIndex != -1) {
1310         KFileItem item = m_model->fileItem(currentIndex);
1311         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1312         QUrl currentItemUrl = item.url();
1313         stream << currentItemUrl;
1314     } else {
1315         stream << QUrl();
1316     }
1317
1318     // Save the selected urls
1319     stream << selectedItems().urlList();
1320
1321     // Save view position
1322     const qreal x = m_container->horizontalScrollBar()->value();
1323     const qreal y = m_container->verticalScrollBar()->value();
1324     stream << QPoint(x, y);
1325
1326     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1327     stream << m_model->expandedDirectories();
1328 }
1329
1330 KFileItem DolphinView::rootItem() const
1331 {
1332     return m_model->rootItem();
1333 }
1334
1335 void DolphinView::setViewPropertiesContext(const QString& context)
1336 {
1337     m_viewPropertiesContext = context;
1338 }
1339
1340 QString DolphinView::viewPropertiesContext() const
1341 {
1342     return m_viewPropertiesContext;
1343 }
1344
1345 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1346 {
1347     if (item.isNull()) {
1348         return QUrl();
1349     }
1350
1351     QUrl url = item.targetUrl();
1352
1353     if (item.isDir()) {
1354         return url;
1355     }
1356
1357     if (item.isMimeTypeKnown()) {
1358         const QString& mimetype = item.mimetype();
1359
1360         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1361             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1362             // zip:/<path>/ when clicking on a zip file, etc.
1363             // The .protocol file specifies the mimetype that the kioslave handles.
1364             // Note that we don't use mimetype inheritance since we don't want to
1365             // open OpenDocument files as zip folders...
1366             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1367             if (!protocol.isEmpty()) {
1368                 url.setScheme(protocol);
1369                 return url;
1370             }
1371         }
1372
1373         if (mimetype == QLatin1String("application/x-desktop")) {
1374             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1375             KDesktopFile desktopFile(url.toLocalFile());
1376             if (desktopFile.hasLinkType()) {
1377                 const QString linkUrl = desktopFile.readUrl();
1378                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1379                     return QUrl::fromUserInput(linkUrl);
1380                 }
1381             }
1382         }
1383     }
1384
1385     return QUrl();
1386 }
1387
1388 void DolphinView::resetZoomLevel()
1389 {
1390     ViewModeSettings::ViewMode mode;
1391
1392     switch (m_mode) {
1393     case IconsView:     mode = ViewModeSettings::IconsMode;   break;
1394     case CompactView:   mode = ViewModeSettings::CompactMode; break;
1395     case DetailsView:   mode = ViewModeSettings::DetailsMode; break;
1396     }
1397     const ViewModeSettings settings(mode);
1398     const QSize iconSize = QSize(settings.iconSize(), settings.iconSize());
1399     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(iconSize));
1400 }
1401
1402 void DolphinView::observeCreatedItem(const QUrl& url)
1403 {
1404     if (m_active) {
1405         forceUrlsSelection(url, {url});
1406     }
1407 }
1408
1409 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1410 {
1411     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1412         emit redirection(oldUrl, newUrl);
1413         m_url = newUrl; // #186947
1414     }
1415 }
1416
1417 void DolphinView::updateViewState()
1418 {
1419     if (m_currentItemUrl != QUrl()) {
1420         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1421
1422         // if there is a selection already, leave it that way
1423         if (!selectionManager->hasSelection()) {
1424             const int currentIndex = m_model->index(m_currentItemUrl);
1425             if (currentIndex != -1) {
1426                 selectionManager->setCurrentItem(currentIndex);
1427
1428                 // scroll to current item and reset the state
1429                 if (m_scrollToCurrentItem) {
1430                     m_view->scrollToItem(currentIndex);
1431                     m_scrollToCurrentItem = false;
1432                 }
1433             } else {
1434                 selectionManager->setCurrentItem(0);
1435             }
1436         }
1437
1438         m_currentItemUrl = QUrl();
1439     }
1440
1441     if (!m_restoredContentsPosition.isNull()) {
1442         const int x = m_restoredContentsPosition.x();
1443         const int y = m_restoredContentsPosition.y();
1444         m_restoredContentsPosition = QPoint();
1445
1446         m_container->horizontalScrollBar()->setValue(x);
1447         m_container->verticalScrollBar()->setValue(y);
1448     }
1449
1450     if (!m_selectedUrls.isEmpty()) {
1451         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1452
1453         // if there is a selection already, leave it that way
1454         if (!selectionManager->hasSelection()) {
1455             if (m_clearSelectionBeforeSelectingNewItems) {
1456                 selectionManager->clearSelection();
1457                 m_clearSelectionBeforeSelectingNewItems = false;
1458             }
1459
1460             KItemSet selectedItems = selectionManager->selectedItems();
1461
1462             QList<QUrl>::iterator it = m_selectedUrls.begin();
1463             while (it != m_selectedUrls.end()) {
1464                 const int index = m_model->index(*it);
1465                 if (index >= 0) {
1466                     selectedItems.insert(index);
1467                     it = m_selectedUrls.erase(it);
1468                 } else {
1469                     ++it;
1470                 }
1471             }
1472
1473             selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1474             selectionManager->setSelectedItems(selectedItems);
1475         }
1476     }
1477 }
1478
1479 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1480 {
1481 #ifdef HAVE_BALOO
1482     if (GeneralSettings::showToolTips()) {
1483         m_toolTipManager->hideToolTip(behavior);
1484     }
1485 #endif
1486 }
1487
1488 void DolphinView::calculateItemCount(int& fileCount,
1489                                      int& folderCount,
1490                                      KIO::filesize_t& totalFileSize) const
1491 {
1492     const int itemCount = m_model->count();
1493     for (int i = 0; i < itemCount; ++i) {
1494         const KFileItem item = m_model->fileItem(i);
1495         if (item.isDir()) {
1496             ++folderCount;
1497         } else {
1498             ++fileCount;
1499             totalFileSize += item.size();
1500         }
1501     }
1502 }
1503
1504 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1505 {
1506     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1507
1508     // verify that only one item is selected
1509     if (selectionManager->selectedItems().count() == 1) {
1510         const int index = selectionManager->currentItem();
1511         const QUrl fileItemUrl = m_model->fileItem(index).url();
1512
1513         // check if the selected item was the same item that started the twoClicksRenaming
1514         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1515             renameSelectedItems();
1516         }
1517     }
1518 }
1519
1520 void DolphinView::slotTrashFileFinished(KJob* job)
1521 {
1522     if (job->error() == 0) {
1523         emit operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1524     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1525         emit errorMessage(job->errorString());
1526     }
1527 }
1528
1529 void DolphinView::slotDeleteFileFinished(KJob* job)
1530 {
1531     if (job->error() == 0) {
1532         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1533     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1534         emit errorMessage(job->errorString());
1535     }
1536 }
1537
1538 void DolphinView::slotRenamingResult(KJob* job)
1539 {
1540     if (job->error()) {
1541         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1542         Q_ASSERT(copyJob);
1543         const QUrl newUrl = copyJob->destUrl();
1544         const int index = m_model->index(newUrl);
1545         if (index >= 0) {
1546             QHash<QByteArray, QVariant> data;
1547             const QUrl oldUrl = copyJob->srcUrls().at(0);
1548             data.insert("text", oldUrl.fileName());
1549             m_model->setData(index, data);
1550         }
1551     }
1552 }
1553
1554 void DolphinView::slotDirectoryLoadingStarted()
1555 {
1556     // Disable the writestate temporary until it can be determined in a fast way
1557     // in DolphinView::slotDirectoryLoadingCompleted()
1558     if (m_isFolderWritable) {
1559         m_isFolderWritable = false;
1560         emit writeStateChanged(m_isFolderWritable);
1561     }
1562
1563     emit directoryLoadingStarted();
1564 }
1565
1566 void DolphinView::slotDirectoryLoadingCompleted()
1567 {
1568     // Update the view-state. This has to be done asynchronously
1569     // because the view might not be in its final state yet.
1570     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1571
1572     emit directoryLoadingCompleted();
1573
1574     updateWritableState();
1575 }
1576
1577 void DolphinView::slotItemsChanged()
1578 {
1579     m_assureVisibleCurrentIndex = false;
1580 }
1581
1582 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1583 {
1584     Q_UNUSED(previous)
1585     Q_ASSERT(m_model->sortOrder() == current);
1586
1587     ViewProperties props(viewPropertiesUrl());
1588     props.setSortOrder(current);
1589
1590     emit sortOrderChanged(current);
1591 }
1592
1593 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1594 {
1595     Q_UNUSED(previous)
1596     Q_ASSERT(m_model->sortRole() == current);
1597
1598     ViewProperties props(viewPropertiesUrl());
1599     props.setSortRole(current);
1600
1601     emit sortRoleChanged(current);
1602 }
1603
1604 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1605                                                   const QList<QByteArray>& previous)
1606 {
1607     Q_UNUSED(previous)
1608     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1609
1610     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1611
1612     m_visibleRoles = current;
1613
1614     ViewProperties props(viewPropertiesUrl());
1615     props.setVisibleRoles(m_visibleRoles);
1616
1617     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1618 }
1619
1620 void DolphinView::slotRoleEditingCanceled()
1621 {
1622     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1623                this, &DolphinView::slotRoleEditingFinished);
1624 }
1625
1626 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1627 {
1628     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1629                this, &DolphinView::slotRoleEditingFinished);
1630
1631     if (index < 0 || index >= m_model->count()) {
1632         return;
1633     }
1634
1635     if (role == "text") {
1636         const KFileItem oldItem = m_model->fileItem(index);
1637         const QString newName = value.toString();
1638         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1639             const QUrl oldUrl = oldItem.url();
1640
1641             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1642             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1643
1644 #ifndef Q_OS_WIN
1645             //Confirm hiding file/directory by renaming inline
1646             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1647                 KGuiItem yesGuiItem(KStandardGuiItem::yes());
1648                 yesGuiItem.setText(i18nc("@action:button", "Rename and Hide"));
1649
1650                 const auto code = KMessageBox::questionYesNo(this,
1651                                                              oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1652                                                                                      "Do you still want to rename it?")
1653                                                                               : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1654                                                                                      "Do you still want to rename it?"),
1655                                                              oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
1656                                                              yesGuiItem,
1657                                                              KStandardGuiItem::cancel(),
1658                                                              QStringLiteral("ConfirmHide")
1659                                                             );
1660
1661                 if (code == KMessageBox::No) {
1662                    return;
1663                 }
1664             }
1665 #endif
1666
1667             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1668             if (!newNameExistsAlready) {
1669                 // Only change the data in the model if no item with the new name
1670                 // is in the model yet. If there is an item with the new name
1671                 // already, calling KIO::CopyJob will open a dialog
1672                 // asking for a new name, and KFileItemModel will update the
1673                 // data when the dir lister signals that the file name has changed.
1674                 QHash<QByteArray, QVariant> data;
1675                 data.insert(role, value);
1676                 m_model->setData(index, data);
1677             }
1678
1679             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1680             KJobWidgets::setWindow(job, this);
1681             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1682             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
1683
1684             forceUrlsSelection(newUrl, {newUrl});
1685
1686             if (!newNameExistsAlready) {
1687                 // Only connect the result signal if there is no item with the new name
1688                 // in the model yet, see bug 328262.
1689                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1690             }
1691         }
1692     }
1693 }
1694
1695 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1696 {
1697     if (!url.isValid()) {
1698         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1699         if (location.isEmpty()) {
1700             emit errorMessage(i18nc("@info:status", "The location is empty."));
1701         } else {
1702             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1703         }
1704         return;
1705     }
1706
1707     if (reload) {
1708         m_model->refreshDirectory(url);
1709     } else {
1710         m_model->loadDirectory(url);
1711     }
1712 }
1713
1714 void DolphinView::applyViewProperties()
1715 {
1716     const ViewProperties props(viewPropertiesUrl());
1717     applyViewProperties(props);
1718 }
1719
1720 void DolphinView::applyViewProperties(const ViewProperties& props)
1721 {
1722     m_view->beginTransaction();
1723
1724     const Mode mode = props.viewMode();
1725     if (m_mode != mode) {
1726         const Mode previousMode = m_mode;
1727         m_mode = mode;
1728
1729         // Changing the mode might result in changing
1730         // the zoom level. Remember the old zoom level so
1731         // that zoomLevelChanged() can get emitted.
1732         const int oldZoomLevel = m_view->zoomLevel();
1733         applyModeToView();
1734
1735         emit modeChanged(m_mode, previousMode);
1736
1737         if (m_view->zoomLevel() != oldZoomLevel) {
1738             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1739         }
1740     }
1741
1742     const bool hiddenFilesShown = props.hiddenFilesShown();
1743     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1744         m_model->setShowHiddenFiles(hiddenFilesShown);
1745         emit hiddenFilesShownChanged(hiddenFilesShown);
1746     }
1747
1748     const bool groupedSorting = props.groupedSorting();
1749     if (groupedSorting != m_model->groupedSorting()) {
1750         m_model->setGroupedSorting(groupedSorting);
1751         emit groupedSortingChanged(groupedSorting);
1752     }
1753
1754     const QByteArray sortRole = props.sortRole();
1755     if (sortRole != m_model->sortRole()) {
1756         m_model->setSortRole(sortRole);
1757         emit sortRoleChanged(sortRole);
1758     }
1759
1760     const Qt::SortOrder sortOrder = props.sortOrder();
1761     if (sortOrder != m_model->sortOrder()) {
1762         m_model->setSortOrder(sortOrder);
1763         emit sortOrderChanged(sortOrder);
1764     }
1765
1766     const bool sortFoldersFirst = props.sortFoldersFirst();
1767     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1768         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1769         emit sortFoldersFirstChanged(sortFoldersFirst);
1770     }
1771
1772     const QList<QByteArray> visibleRoles = props.visibleRoles();
1773     if (visibleRoles != m_visibleRoles) {
1774         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1775         m_visibleRoles = visibleRoles;
1776         m_view->setVisibleRoles(visibleRoles);
1777         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1778     }
1779
1780     const bool previewsShown = props.previewsShown();
1781     if (previewsShown != m_view->previewsShown()) {
1782         const int oldZoomLevel = zoomLevel();
1783
1784         m_view->setPreviewsShown(previewsShown);
1785         emit previewsShownChanged(previewsShown);
1786
1787         // Changing the preview-state might result in a changed zoom-level
1788         if (oldZoomLevel != zoomLevel()) {
1789             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1790         }
1791     }
1792
1793     KItemListView* itemListView = m_container->controller()->view();
1794     if (itemListView->isHeaderVisible()) {
1795         KItemListHeader* header = itemListView->header();
1796         const QList<int> headerColumnWidths = props.headerColumnWidths();
1797         const int rolesCount = m_visibleRoles.count();
1798         if (headerColumnWidths.count() == rolesCount) {
1799             header->setAutomaticColumnResizing(false);
1800
1801             QHash<QByteArray, qreal> columnWidths;
1802             for (int i = 0; i < rolesCount; ++i) {
1803                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1804             }
1805             header->setColumnWidths(columnWidths);
1806         } else {
1807             header->setAutomaticColumnResizing(true);
1808         }
1809     }
1810
1811     m_view->endTransaction();
1812 }
1813
1814 void DolphinView::applyModeToView()
1815 {
1816     switch (m_mode) {
1817     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1818     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1819     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1820     default: Q_ASSERT(false); break;
1821     }
1822 }
1823
1824 void DolphinView::pasteToUrl(const QUrl& url)
1825 {
1826     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1827     KJobWidgets::setWindow(job, this);
1828     m_clearSelectionBeforeSelectingNewItems = true;
1829     m_markFirstNewlySelectedItemAsCurrent = true;
1830     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1831     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotPasteJobResult);
1832 }
1833
1834 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1835 {
1836     QList<QUrl> urls;
1837
1838     const KFileItemList items = selectedItems();
1839     urls.reserve(items.count());
1840     foreach (const KFileItem& item, items) {
1841         urls.append(item.url());
1842     }
1843
1844     if (itemsExpandable()) {
1845         // TODO: Check if we still need KDirModel for this in KDE 5.0
1846         urls = KDirModel::simplifiedUrlList(urls);
1847     }
1848
1849     return urls;
1850 }
1851
1852 QMimeData* DolphinView::selectionMimeData() const
1853 {
1854     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1855     const KItemSet selectedIndexes = selectionManager->selectedItems();
1856
1857     return m_model->createMimeData(selectedIndexes);
1858 }
1859
1860 void DolphinView::updateWritableState()
1861 {
1862     const bool wasFolderWritable = m_isFolderWritable;
1863     m_isFolderWritable = false;
1864
1865     KFileItem item = m_model->rootItem();
1866     if (item.isNull()) {
1867         // Try to find out if the URL is writable even if the "root item" is
1868         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1869         item = KFileItem(url());
1870         item.setDelayedMimeTypes(true);
1871     }
1872
1873     KFileItemListProperties capabilities(KFileItemList() << item);
1874     m_isFolderWritable = capabilities.supportsWriting();
1875
1876     if (m_isFolderWritable != wasFolderWritable) {
1877         emit writeStateChanged(m_isFolderWritable);
1878     }
1879 }
1880
1881 QUrl DolphinView::viewPropertiesUrl() const
1882 {
1883     if (m_viewPropertiesContext.isEmpty()) {
1884         return m_url;
1885     }
1886
1887     QUrl url;
1888     url.setScheme(m_url.scheme());
1889     url.setPath(m_viewPropertiesContext);
1890     return url;
1891 }
1892
1893 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl>& urls)
1894 {
1895     forceUrlsSelection(urls.first(), urls);
1896 }
1897
1898 void DolphinView::forceUrlsSelection(const QUrl& current, const QList<QUrl>& selected)
1899 {
1900     clearSelection();
1901     m_clearSelectionBeforeSelectingNewItems = true;
1902     markUrlAsCurrent(current);
1903     markUrlsAsSelected(selected);
1904 }