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