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 "renamedialog.h"
  35 #include "versioncontrol/versioncontrolobserver.h"
  36 #include "viewproperties.h"
  37 #include "views/tooltips/tooltipmanager.h"
  38 #include "zoomlevelinfo.h"
  39
  40 #ifdef HAVE_BALOO
  41 #include <Baloo/IndexerConfig>
  42 #endif
  43 #include <KColorScheme>
  44 #include <KDesktopFile>
  45 #include <KDirModel>
  46 #include <KFileItemListProperties>
  47 #include <KFormat>
  48 #include <KIO/CopyJob>
  49 #include <KIO/DeleteJob>
  50 #include <KIO/DropJob>
  51 #include <KIO/JobUiDelegate>
  52 #include <KIO/Paste>
  53 #include <KIO/PasteJob>
  54 #include <KIO/PreviewJob>
  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 <QPixmapCache>
  67 #include <QPointer>
  68 #include <QScrollBar>
  69 #include <QTimer>
  70 #include <QVBoxLayout>
  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 #ifdef HAVE_BALOO
 180     m_toolTipManager = new ToolTipManager(this);
 181     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 182 #endif
 183
 184     m_versionControlObserver = new VersionControlObserver(this);
 185     m_versionControlObserver->setModel(m_model);
 186     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 187     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 188     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 189
 190     m_twoClicksRenamingTimer = new QTimer(this);
 191     m_twoClicksRenamingTimer->setSingleShot(true);
 192     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 193
 194     applyViewProperties();
 195     m_topLayout->addWidget(m_container);
 196
 197     loadDirectory(url);
 198 }
 199
 200 DolphinView::~DolphinView()
 201 {
 202 }
 203
 204 QUrl DolphinView::url() const
 205 {
 206     return m_url;
 207 }
 208
 209 void DolphinView::setActive(bool active)
 210 {
 211     if (active == m_active) {
 212         return;
 213     }
 214
 215     m_active = active;
 216
 217     updatePalette();
 218
 219     if (active) {
 220         m_container->setFocus();
 221         emit activated();
 222         emit writeStateChanged(m_isFolderWritable);
 223     }
 224 }
 225
 226 bool DolphinView::isActive() const
 227 {
 228     return m_active;
 229 }
 230
 231 void DolphinView::setMode(Mode mode)
 232 {
 233     if (mode != m_mode) {
 234         ViewProperties props(viewPropertiesUrl());
 235         props.setViewMode(mode);
 236
 237         // We pass the new ViewProperties to applyViewProperties, rather than
 238         // storing them on disk and letting applyViewProperties() read them
 239         // from there, to prevent that changing the view mode fails if the
 240         // .directory file is not writable (see bug 318534).
 241         applyViewProperties(props);
 242     }
 243 }
 244
 245 DolphinView::Mode DolphinView::mode() const
 246 {
 247     return m_mode;
 248 }
 249
 250 void DolphinView::setPreviewsShown(bool show)
 251 {
 252     if (previewsShown() == show) {
 253         return;
 254     }
 255
 256     ViewProperties props(viewPropertiesUrl());
 257     props.setPreviewsShown(show);
 258
 259     const int oldZoomLevel = m_view->zoomLevel();
 260     m_view->setPreviewsShown(show);
 261     emit previewsShownChanged(show);
 262
 263     const int newZoomLevel = m_view->zoomLevel();
 264     if (newZoomLevel != oldZoomLevel) {
 265         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 266     }
 267 }
 268
 269 bool DolphinView::previewsShown() const
 270 {
 271     return m_view->previewsShown();
 272 }
 273
 274 void DolphinView::setHiddenFilesShown(bool show)
 275 {
 276     if (m_model->showHiddenFiles() == show) {
 277         return;
 278     }
 279
 280     const KFileItemList itemList = selectedItems();
 281     m_selectedUrls.clear();
 282     m_selectedUrls = itemList.urlList();
 283
 284     ViewProperties props(viewPropertiesUrl());
 285     props.setHiddenFilesShown(show);
 286
 287     m_model->setShowHiddenFiles(show);
 288     emit hiddenFilesShownChanged(show);
 289 }
 290
 291 bool DolphinView::hiddenFilesShown() const
 292 {
 293     return m_model->showHiddenFiles();
 294 }
 295
 296 void DolphinView::setGroupedSorting(bool grouped)
 297 {
 298     if (grouped == groupedSorting()) {
 299         return;
 300     }
 301
 302     ViewProperties props(viewPropertiesUrl());
 303     props.setGroupedSorting(grouped);
 304     props.save();
 305
 306     m_container->controller()->model()->setGroupedSorting(grouped);
 307
 308     emit groupedSortingChanged(grouped);
 309 }
 310
 311 bool DolphinView::groupedSorting() const
 312 {
 313     return m_model->groupedSorting();
 314 }
 315
 316 KFileItemList DolphinView::items() const
 317 {
 318     KFileItemList list;
 319     const int itemCount = m_model->count();
 320     list.reserve(itemCount);
 321
 322     for (int i = 0; i < itemCount; ++i) {
 323         list.append(m_model->fileItem(i));
 324     }
 325
 326     return list;
 327 }
 328
 329 int DolphinView::itemsCount() const
 330 {
 331     return m_model->count();
 332 }
 333
 334 KFileItemList DolphinView::selectedItems() const
 335 {
 336     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 337
 338     KFileItemList selectedItems;
 339     const auto items = selectionManager->selectedItems();
 340     selectedItems.reserve(items.count());
 341     for (int index : items) {
 342         selectedItems.append(m_model->fileItem(index));
 343     }
 344     return selectedItems;
 345 }
 346
 347 int DolphinView::selectedItemsCount() const
 348 {
 349     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 350     return selectionManager->selectedItems().count();
 351 }
 352
 353 void DolphinView::markUrlsAsSelected(const QList<QUrl>& urls)
 354 {
 355     m_selectedUrls = urls;
 356 }
 357
 358 void DolphinView::markUrlAsCurrent(const QUrl &url)
 359 {
 360     m_currentItemUrl = url;
 361     m_scrollToCurrentItem = true;
 362 }
 363
 364 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 365 {
 366     const KItemListSelectionManager::SelectionMode mode = enabled
 367                                                         ? KItemListSelectionManager::Select
 368                                                         : KItemListSelectionManager::Deselect;
 369     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 370
 371     for (int index = 0; index < m_model->count(); index++) {
 372         const KFileItem item = m_model->fileItem(index);
 373         if (pattern.exactMatch(item.text())) {
 374             // An alternative approach would be to store the matching items in a KItemSet and
 375             // select them in one go after the loop, but we'd need a new function
 376             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 377             // for that.
 378             selectionManager->setSelected(index, 1, mode);
 379         }
 380     }
 381 }
 382
 383 void DolphinView::setZoomLevel(int level)
 384 {
 385     const int oldZoomLevel = zoomLevel();
 386     m_view->setZoomLevel(level);
 387     if (zoomLevel() != oldZoomLevel) {
 388         hideToolTip();
 389         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 390     }
 391 }
 392
 393 int DolphinView::zoomLevel() const
 394 {
 395     return m_view->zoomLevel();
 396 }
 397
 398 void DolphinView::setSortRole(const QByteArray& role)
 399 {
 400     if (role != sortRole()) {
 401         updateSortRole(role);
 402     }
 403 }
 404
 405 QByteArray DolphinView::sortRole() const
 406 {
 407     const KItemModelBase* model = m_container->controller()->model();
 408     return model->sortRole();
 409 }
 410
 411 void DolphinView::setSortOrder(Qt::SortOrder order)
 412 {
 413     if (sortOrder() != order) {
 414         updateSortOrder(order);
 415     }
 416 }
 417
 418 Qt::SortOrder DolphinView::sortOrder() const
 419 {
 420     return m_model->sortOrder();
 421 }
 422
 423 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 424 {
 425     if (sortFoldersFirst() != foldersFirst) {
 426         updateSortFoldersFirst(foldersFirst);
 427     }
 428 }
 429
 430 bool DolphinView::sortFoldersFirst() const
 431 {
 432     return m_model->sortDirectoriesFirst();
 433 }
 434
 435 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 436 {
 437     const QList<QByteArray> previousRoles = roles;
 438
 439     ViewProperties props(viewPropertiesUrl());
 440     props.setVisibleRoles(roles);
 441
 442     m_visibleRoles = roles;
 443     m_view->setVisibleRoles(roles);
 444
 445     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 446 }
 447
 448 QList<QByteArray> DolphinView::visibleRoles() const
 449 {
 450     return m_visibleRoles;
 451 }
 452
 453 void DolphinView::reload()
 454 {
 455     QByteArray viewState;
 456     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 457     saveState(saveStream);
 458
 459     setUrl(url());
 460     loadDirectory(url(), true);
 461
 462     QDataStream restoreStream(viewState);
 463     restoreState(restoreStream);
 464 }
 465
 466 void DolphinView::readSettings()
 467 {
 468     const int oldZoomLevel = m_view->zoomLevel();
 469
 470     GeneralSettings::self()->load();
 471     m_view->readSettings();
 472     applyViewProperties();
 473
 474     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 475     m_container->controller()->setAutoActivationDelay(delay);
 476
 477     const int newZoomLevel = m_view->zoomLevel();
 478     if (newZoomLevel != oldZoomLevel) {
 479         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 480     }
 481 }
 482
 483 void DolphinView::writeSettings()
 484 {
 485     GeneralSettings::self()->save();
 486     m_view->writeSettings();
 487 }
 488
 489 void DolphinView::setNameFilter(const QString& nameFilter)
 490 {
 491     m_model->setNameFilter(nameFilter);
 492 }
 493
 494 QString DolphinView::nameFilter() const
 495 {
 496     return m_model->nameFilter();
 497 }
 498
 499 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 500 {
 501     return m_model->setMimeTypeFilters(filters);
 502 }
 503
 504 QStringList DolphinView::mimeTypeFilters() const
 505 {
 506     return m_model->mimeTypeFilters();
 507 }
 508
 509 QString DolphinView::statusBarText() const
 510 {
 511     QString summary;
 512     QString foldersText;
 513     QString filesText;
 514
 515     int folderCount = 0;
 516     int fileCount = 0;
 517     KIO::filesize_t totalFileSize = 0;
 518
 519     if (m_container->controller()->selectionManager()->hasSelection()) {
 520         // Give a summary of the status of the selected files
 521         const KFileItemList list = selectedItems();
 522         foreach (const KFileItem& item, list) {
 523             if (item.isDir()) {
 524                 ++folderCount;
 525             } else {
 526                 ++fileCount;
 527                 totalFileSize += item.size();
 528             }
 529         }
 530
 531         if (folderCount + fileCount == 1) {
 532             // If only one item is selected, show info about it
 533             return list.first().getStatusBarInfo();
 534         } else {
 535             // At least 2 items are selected
 536             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 537             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 538         }
 539     } else {
 540         calculateItemCount(fileCount, folderCount, totalFileSize);
 541         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 542         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 543     }
 544
 545     if (fileCount > 0 && folderCount > 0) {
 546         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 547                         foldersText, filesText,
 548                         KFormat().formatByteSize(totalFileSize));
 549     } else if (fileCount > 0) {
 550         summary = i18nc("@info:status files (size)", "%1 (%2)",
 551                         filesText,
 552                         KFormat().formatByteSize(totalFileSize));
 553     } else if (folderCount > 0) {
 554         summary = foldersText;
 555     } else {
 556         summary = i18nc("@info:status", "0 Folders, 0 Files");
 557     }
 558
 559     return summary;
 560 }
 561
 562 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 563 {
 564     QList<QAction*> actions;
 565
 566     if (items.isEmpty()) {
 567         const KFileItem item = m_model->rootItem();
 568         if (!item.isNull()) {
 569             actions = m_versionControlObserver->actions(KFileItemList() << item);
 570         }
 571     } else {
 572         actions = m_versionControlObserver->actions(items);
 573     }
 574
 575     return actions;
 576 }
 577
 578 void DolphinView::setUrl(const QUrl& url)
 579 {
 580     if (url == m_url) {
 581         return;
 582     }
 583
 584     clearSelection();
 585
 586     m_url = url;
 587
 588     hideToolTip();
 589
 590     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 591                this, &DolphinView::slotRoleEditingFinished);
 592
 593     // It is important to clear the items from the model before
 594     // applying the view properties, otherwise expensive operations
 595     // might be done on the existing items although they get cleared
 596     // anyhow afterwards by loadDirectory().
 597     m_model->clear();
 598     applyViewProperties();
 599     loadDirectory(url);
 600
 601     emit urlChanged(url);
 602 }
 603
 604 void DolphinView::selectAll()
 605 {
 606     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 607     selectionManager->setSelected(0, m_model->count());
 608 }
 609
 610 void DolphinView::invertSelection()
 611 {
 612     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 613     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 614 }
 615
 616 void DolphinView::clearSelection()
 617 {
 618     m_selectedUrls.clear();
 619     m_container->controller()->selectionManager()->clearSelection();
 620 }
 621
 622 void DolphinView::renameSelectedItems()
 623 {
 624     const KFileItemList items = selectedItems();
 625     if (items.isEmpty()) {
 626         return;
 627     }
 628
 629     if (items.count() == 1 && GeneralSettings::renameInline()) {
 630         const int index = m_model->index(items.first());
 631         m_view->editRole(index, "text");
 632
 633         hideToolTip();
 634
 635         connect(m_view, &DolphinItemListView::roleEditingFinished,
 636                 this, &DolphinView::slotRoleEditingFinished);
 637     } else {
 638         RenameDialog* dialog = new RenameDialog(this, items);
 639         connect(dialog, &RenameDialog::renamingFinished, this, &DolphinView::slotRenameDialogRenamingFinished);
 640
 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             abortTwoClicksRenaming();
 761         }
 762         break;
 763
 764     case QEvent::GraphicsSceneDragLeave:
 765         if (watched == m_view) {
 766             m_dragging = false;
 767         }
 768         break;
 769
 770     case QEvent::GraphicsSceneDrop:
 771         if (watched == m_view) {
 772             m_dragging = false;
 773         }
 774     default:
 775         break;
 776     }
 777
 778     return QWidget::eventFilter(watched, event);
 779 }
 780
 781 void DolphinView::wheelEvent(QWheelEvent* event)
 782 {
 783     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 784         const int numDegrees = event->delta() / 8;
 785         const int numSteps = numDegrees / 15;
 786
 787         setZoomLevel(zoomLevel() + numSteps);
 788         event->accept();
 789     } else {
 790         event->ignore();
 791     }
 792 }
 793
 794 void DolphinView::hideEvent(QHideEvent* event)
 795 {
 796     hideToolTip();
 797     QWidget::hideEvent(event);
 798 }
 799
 800 bool DolphinView::event(QEvent* event)
 801 {
 802     if (event->type() == QEvent::WindowDeactivate) {
 803         /* See Bug 297355
 804          * Dolphin leaves file preview tooltips open even when is not visible.
 805          *
 806          * Hide tool-tip when Dolphin loses focus.
 807          */
 808         hideToolTip();
 809         abortTwoClicksRenaming();
 810     }
 811
 812     return QWidget::event(event);
 813 }
 814
 815 void DolphinView::activate()
 816 {
 817     setActive(true);
 818 }
 819
 820 void DolphinView::slotItemActivated(int index)
 821 {
 822     abortTwoClicksRenaming();
 823
 824     const KFileItem item = m_model->fileItem(index);
 825     if (!item.isNull()) {
 826         emit itemActivated(item);
 827     }
 828 }
 829
 830 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 831 {
 832     Q_ASSERT(indexes.count() >= 2);
 833
 834     abortTwoClicksRenaming();
 835
 836     if (indexes.count() > 5) {
 837         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 838         const int answer = KMessageBox::warningYesNo(this, question);
 839         if (answer != KMessageBox::Yes) {
 840             return;
 841         }
 842     }
 843
 844     KFileItemList items;
 845     items.reserve(indexes.count());
 846
 847     for (int index : indexes) {
 848         KFileItem item = m_model->fileItem(index);
 849         const QUrl& url = openItemAsFolderUrl(item);
 850
 851         if (!url.isEmpty()) { // Open folders in new tabs
 852             emit tabRequested(url);
 853         } else {
 854             items.append(item);
 855         }
 856     }
 857
 858     if (items.count() == 1) {
 859         emit itemActivated(items.first());
 860     } else if (items.count() > 1) {
 861         emit itemsActivated(items);
 862     }
 863 }
 864
 865 void DolphinView::slotItemMiddleClicked(int index)
 866 {
 867     const KFileItem& item = m_model->fileItem(index);
 868     const QUrl& url = openItemAsFolderUrl(item);
 869     if (!url.isEmpty()) {
 870         emit tabRequested(url);
 871     } else if (isTabsForFilesEnabled()) {
 872         emit tabRequested(item.url());
 873     }
 874 }
 875
 876 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 877 {
 878     // Force emit of a selection changed signal before we request the
 879     // context menu, to update the edit-actions first. (See Bug 294013)
 880     if (m_selectionChangedTimer->isActive()) {
 881         emitSelectionChangedSignal();
 882     }
 883
 884     const KFileItem item = m_model->fileItem(index);
 885     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 886 }
 887
 888 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 889 {
 890     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 891 }
 892
 893 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 894 {
 895     ViewProperties props(viewPropertiesUrl());
 896
 897     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
 898
 899     KItemListView* view = m_container->controller()->view();
 900     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 901
 902     bool indexingEnabled = false;
 903 #ifdef HAVE_BALOO
 904     Baloo::IndexerConfig config;
 905     indexingEnabled = config.fileIndexingEnabled();
 906 #endif
 907
 908     QString groupName;
 909     QMenu* groupMenu = nullptr;
 910
 911     // Add all roles to the menu that can be shown or hidden by the user
 912     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 913     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 914         if (info.role == "text") {
 915             // It should not be possible to hide the "text" role
 916             continue;
 917         }
 918
 919         const QString text = m_model->roleDescription(info.role);
 920         QAction* action = nullptr;
 921         if (info.group.isEmpty()) {
 922             action = menu->addAction(text);
 923         } else {
 924             if (!groupMenu || info.group != groupName) {
 925                 groupName = info.group;
 926                 groupMenu = menu->addMenu(groupName);
 927             }
 928
 929             action = groupMenu->addAction(text);
 930         }
 931
 932         action->setCheckable(true);
 933         action->setChecked(visibleRolesSet.contains(info.role));
 934         action->setData(info.role);
 935
 936         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 937                             (info.requiresBaloo) ||
 938                             (info.requiresIndexer && indexingEnabled);
 939         action->setEnabled(enable);
 940     }
 941
 942     menu->addSeparator();
 943
 944     QActionGroup* widthsGroup = new QActionGroup(menu);
 945     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 946
 947     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 948     autoAdjustWidthsAction->setCheckable(true);
 949     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 950     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 951
 952     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 953     customWidthsAction->setCheckable(true);
 954     customWidthsAction->setChecked(!autoColumnWidths);
 955     customWidthsAction->setActionGroup(widthsGroup);
 956
 957     QAction* action = menu->exec(pos.toPoint());
 958     if (menu && action) {
 959         KItemListHeader* header = view->header();
 960
 961         if (action == autoAdjustWidthsAction) {
 962             // Clear the column-widths from the viewproperties and turn on
 963             // the automatic resizing of the columns
 964             props.setHeaderColumnWidths(QList<int>());
 965             header->setAutomaticColumnResizing(true);
 966         } else if (action == customWidthsAction) {
 967             // Apply the current column-widths as custom column-widths and turn
 968             // off the automatic resizing of the columns
 969             QList<int> columnWidths;
 970             columnWidths.reserve(view->visibleRoles().count());
 971             foreach (const QByteArray& role, view->visibleRoles()) {
 972                 columnWidths.append(header->columnWidth(role));
 973             }
 974             props.setHeaderColumnWidths(columnWidths);
 975             header->setAutomaticColumnResizing(false);
 976         } else {
 977             // Show or hide the selected role
 978             const QByteArray selectedRole = action->data().toByteArray();
 979
 980             QList<QByteArray> visibleRoles = view->visibleRoles();
 981             if (action->isChecked()) {
 982                 visibleRoles.append(selectedRole);
 983             } else {
 984                 visibleRoles.removeOne(selectedRole);
 985             }
 986
 987             view->setVisibleRoles(visibleRoles);
 988             props.setVisibleRoles(visibleRoles);
 989
 990             QList<int> columnWidths;
 991             if (!header->automaticColumnResizing()) {
 992                 columnWidths.reserve(view->visibleRoles().count());
 993                 foreach (const QByteArray& role, view->visibleRoles()) {
 994                     columnWidths.append(header->columnWidth(role));
 995                 }
 996             }
 997             props.setHeaderColumnWidths(columnWidths);
 998         }
 999     }
1000
1001     delete menu;
1002 }
1003
1004 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current)
1005 {
1006     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1007
1008     ViewProperties props(viewPropertiesUrl());
1009     QList<int> columnWidths = props.headerColumnWidths();
1010     if (columnWidths.count() != visibleRoles.count()) {
1011         columnWidths.clear();
1012         columnWidths.reserve(visibleRoles.count());
1013         const KItemListHeader* header = m_view->header();
1014         foreach (const QByteArray& role, visibleRoles) {
1015             const int width = header->columnWidth(role);
1016             columnWidths.append(width);
1017         }
1018     }
1019
1020     const int roleIndex = visibleRoles.indexOf(role);
1021     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1022     columnWidths[roleIndex] = current;
1023
1024     props.setHeaderColumnWidths(columnWidths);
1025 }
1026
1027 void DolphinView::slotItemHovered(int index)
1028 {
1029     const KFileItem item = m_model->fileItem(index);
1030
1031     if (GeneralSettings::showToolTips() && !m_dragging) {
1032         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1033         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1034         itemRect.moveTo(pos);
1035
1036 #ifdef HAVE_BALOO
1037         m_toolTipManager->showToolTip(item, itemRect, nativeParentWidget()->windowHandle());
1038 #endif
1039     }
1040
1041     emit requestItemInfo(item);
1042 }
1043
1044 void DolphinView::slotItemUnhovered(int index)
1045 {
1046     Q_UNUSED(index);
1047     hideToolTip();
1048     emit requestItemInfo(KFileItem());
1049 }
1050
1051 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1052 {
1053     QUrl destUrl;
1054     KFileItem destItem = m_model->fileItem(index);
1055     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1056         // Use the URL of the view as drop target if the item is no directory
1057         // or desktop-file
1058         destItem = m_model->rootItem();
1059         destUrl = url();
1060     } else {
1061         // The item represents a directory or desktop-file
1062         destUrl = destItem.mostLocalUrl();
1063     }
1064
1065     QDropEvent dropEvent(event->pos().toPoint(),
1066                          event->possibleActions(),
1067                          event->mimeData(),
1068                          event->buttons(),
1069                          event->modifiers());
1070     dropUrls(destUrl, &dropEvent, this);
1071
1072     setActive(true);
1073 }
1074
1075 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1076 {
1077     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1078
1079     if (job) {
1080         connect(job, &KIO::DropJob::result, this, &DolphinView::slotPasteJobResult);
1081
1082         if (destUrl == url()) {
1083             // Mark the dropped urls as selected.
1084             m_clearSelectionBeforeSelectingNewItems = true;
1085             m_markFirstNewlySelectedItemAsCurrent = true;
1086             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1087         }
1088     }
1089 }
1090
1091 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1092 {
1093     if (previous != nullptr) {
1094         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1095         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1096         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1097         m_versionControlObserver->setModel(nullptr);
1098     }
1099
1100     if (current) {
1101         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1102         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1103         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1104         m_versionControlObserver->setModel(fileItemModel);
1105     }
1106 }
1107
1108 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1109 {
1110     Q_UNUSED(itemIndex);
1111
1112     hideToolTip();
1113
1114     if (buttons & Qt::BackButton) {
1115         emit goBackRequested();
1116     } else if (buttons & Qt::ForwardButton) {
1117         emit goForwardRequested();
1118     }
1119 }
1120
1121 void DolphinView::slotSelectedItemTextPressed(int index)
1122 {
1123     if (GeneralSettings::renameInline()) {
1124         const KFileItem item = m_model->fileItem(index);
1125         const KFileItemListProperties capabilities(KFileItemList() << item);
1126         if (capabilities.supportsMoving()) {
1127             m_twoClicksRenamingItemUrl = item.url();
1128             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1129         }
1130     }
1131 }
1132
1133 void DolphinView::slotItemCreated(const QUrl& url)
1134 {
1135     if (m_markFirstNewlySelectedItemAsCurrent) {
1136         markUrlAsCurrent(url);
1137         m_markFirstNewlySelectedItemAsCurrent = false;
1138     }
1139     m_selectedUrls << url;
1140 }
1141
1142 void DolphinView::slotPasteJobResult(KJob *job)
1143 {
1144     if (job->error()) {
1145         emit errorMessage(job->errorString());
1146     }
1147     if (!m_selectedUrls.isEmpty()) {
1148         m_selectedUrls << KDirModel::simplifiedUrlList(m_selectedUrls);
1149     }
1150 }
1151
1152 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1153 {
1154     const int currentCount = current.count();
1155     const int previousCount = previous.count();
1156     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1157                                        (currentCount >  0 && previousCount == 0);
1158
1159     // If nothing has been selected before and something got selected (or if something
1160     // was selected before and now nothing is selected) the selectionChangedSignal must
1161     // be emitted asynchronously as fast as possible to update the edit-actions.
1162     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1163     m_selectionChangedTimer->start();
1164 }
1165
1166 void DolphinView::emitSelectionChangedSignal()
1167 {
1168     m_selectionChangedTimer->stop();
1169     emit selectionChanged(selectedItems());
1170 }
1171
1172 void DolphinView::updateSortRole(const QByteArray& role)
1173 {
1174     ViewProperties props(viewPropertiesUrl());
1175     props.setSortRole(role);
1176
1177     KItemModelBase* model = m_container->controller()->model();
1178     model->setSortRole(role);
1179
1180     emit sortRoleChanged(role);
1181 }
1182
1183 void DolphinView::updateSortOrder(Qt::SortOrder order)
1184 {
1185     ViewProperties props(viewPropertiesUrl());
1186     props.setSortOrder(order);
1187
1188     m_model->setSortOrder(order);
1189
1190     emit sortOrderChanged(order);
1191 }
1192
1193 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1194 {
1195     ViewProperties props(viewPropertiesUrl());
1196     props.setSortFoldersFirst(foldersFirst);
1197
1198     m_model->setSortDirectoriesFirst(foldersFirst);
1199
1200     emit sortFoldersFirstChanged(foldersFirst);
1201 }
1202
1203 QPair<bool, QString> DolphinView::pasteInfo() const
1204 {
1205     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1206     QPair<bool, QString> info;
1207     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1208     return info;
1209 }
1210
1211 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1212 {
1213     m_tabsForFiles = tabsForFiles;
1214 }
1215
1216 bool DolphinView::isTabsForFilesEnabled() const
1217 {
1218     return m_tabsForFiles;
1219 }
1220
1221 bool DolphinView::itemsExpandable() const
1222 {
1223     return m_mode == DetailsView;
1224 }
1225
1226 void DolphinView::restoreState(QDataStream& stream)
1227 {
1228     // Read the version number of the view state and check if the version is supported.
1229     quint32 version = 0;
1230     stream >> version;
1231     if (version != 1) {
1232         // The version of the view state isn't supported, we can't restore it.
1233         return;
1234     }
1235
1236     // Restore the current item that had the keyboard focus
1237     stream >> m_currentItemUrl;
1238
1239     // Restore the previously selected items
1240     stream >> m_selectedUrls;
1241
1242     // Restore the view position
1243     stream >> m_restoredContentsPosition;
1244
1245     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1246     QSet<QUrl> urls;
1247     stream >> urls;
1248     m_model->restoreExpandedDirectories(urls);
1249 }
1250
1251 void DolphinView::saveState(QDataStream& stream)
1252 {
1253     stream << quint32(1); // View state version
1254
1255     // Save the current item that has the keyboard focus
1256     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1257     if (currentIndex != -1) {
1258         KFileItem item = m_model->fileItem(currentIndex);
1259         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1260         QUrl currentItemUrl = item.url();
1261         stream << currentItemUrl;
1262     } else {
1263         stream << QUrl();
1264     }
1265
1266     // Save the selected urls
1267     stream << selectedItems().urlList();
1268
1269     // Save view position
1270     const qreal x = m_container->horizontalScrollBar()->value();
1271     const qreal y = m_container->verticalScrollBar()->value();
1272     stream << QPoint(x, y);
1273
1274     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1275     stream << m_model->expandedDirectories();
1276 }
1277
1278 KFileItem DolphinView::rootItem() const
1279 {
1280     return m_model->rootItem();
1281 }
1282
1283 void DolphinView::setViewPropertiesContext(const QString& context)
1284 {
1285     m_viewPropertiesContext = context;
1286 }
1287
1288 QString DolphinView::viewPropertiesContext() const
1289 {
1290     return m_viewPropertiesContext;
1291 }
1292
1293 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1294 {
1295     if (item.isNull()) {
1296         return QUrl();
1297     }
1298
1299     QUrl url = item.targetUrl();
1300
1301     if (item.isDir()) {
1302         return url;
1303     }
1304
1305     if (item.isMimeTypeKnown()) {
1306         const QString& mimetype = item.mimetype();
1307
1308         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1309             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1310             // zip:/<path>/ when clicking on a zip file, etc.
1311             // The .protocol file specifies the mimetype that the kioslave handles.
1312             // Note that we don't use mimetype inheritance since we don't want to
1313             // open OpenDocument files as zip folders...
1314             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1315             if (!protocol.isEmpty()) {
1316                 url.setScheme(protocol);
1317                 return url;
1318             }
1319         }
1320
1321         if (mimetype == QLatin1String("application/x-desktop")) {
1322             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1323             KDesktopFile desktopFile(url.toLocalFile());
1324             if (desktopFile.hasLinkType()) {
1325                 const QString linkUrl = desktopFile.readUrl();
1326                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1327                     return QUrl::fromUserInput(linkUrl);
1328                 }
1329             }
1330         }
1331     }
1332
1333     return QUrl();
1334 }
1335
1336 void DolphinView::observeCreatedItem(const QUrl& url)
1337 {
1338     if (m_active) {
1339         forceUrlsSelection(url, {url});
1340     }
1341 }
1342
1343 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1344 {
1345     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1346         emit redirection(oldUrl, newUrl);
1347         m_url = newUrl; // #186947
1348     }
1349 }
1350
1351 void DolphinView::updateViewState()
1352 {
1353     if (m_currentItemUrl != QUrl()) {
1354         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1355
1356         // if there is a selection already, leave it that way
1357         if (!selectionManager->hasSelection()) {
1358             const int currentIndex = m_model->index(m_currentItemUrl);
1359             if (currentIndex != -1) {
1360                 selectionManager->setCurrentItem(currentIndex);
1361
1362                 // scroll to current item and reset the state
1363                 if (m_scrollToCurrentItem) {
1364                     m_view->scrollToItem(currentIndex);
1365                     m_scrollToCurrentItem = false;
1366                 }
1367             } else {
1368                 selectionManager->setCurrentItem(0);
1369             }
1370         }
1371
1372         m_currentItemUrl = QUrl();
1373     }
1374
1375     if (!m_restoredContentsPosition.isNull()) {
1376         const int x = m_restoredContentsPosition.x();
1377         const int y = m_restoredContentsPosition.y();
1378         m_restoredContentsPosition = QPoint();
1379
1380         m_container->horizontalScrollBar()->setValue(x);
1381         m_container->verticalScrollBar()->setValue(y);
1382     }
1383
1384     if (!m_selectedUrls.isEmpty()) {
1385         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1386
1387         // if there is a selection already, leave it that way
1388         if (!selectionManager->hasSelection()) {
1389             if (m_clearSelectionBeforeSelectingNewItems) {
1390                 selectionManager->clearSelection();
1391                 m_clearSelectionBeforeSelectingNewItems = false;
1392             }
1393
1394             KItemSet selectedItems = selectionManager->selectedItems();
1395
1396             QList<QUrl>::iterator it = m_selectedUrls.begin();
1397             while (it != m_selectedUrls.end()) {
1398                 const int index = m_model->index(*it);
1399                 if (index >= 0) {
1400                     selectedItems.insert(index);
1401                     it = m_selectedUrls.erase(it);
1402                 } else {
1403                     ++it;
1404                 }
1405             }
1406
1407             selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1408             selectionManager->setSelectedItems(selectedItems);
1409         }
1410     }
1411 }
1412
1413 void DolphinView::hideToolTip()
1414 {
1415 #ifdef HAVE_BALOO
1416     if (GeneralSettings::showToolTips()) {
1417         m_toolTipManager->hideToolTip();
1418     }
1419 #endif
1420 }
1421
1422 void DolphinView::calculateItemCount(int& fileCount,
1423                                      int& folderCount,
1424                                      KIO::filesize_t& totalFileSize) const
1425 {
1426     const int itemCount = m_model->count();
1427     for (int i = 0; i < itemCount; ++i) {
1428         const KFileItem item = m_model->fileItem(i);
1429         if (item.isDir()) {
1430             ++folderCount;
1431         } else {
1432             ++fileCount;
1433             totalFileSize += item.size();
1434         }
1435     }
1436 }
1437
1438 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1439 {
1440     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1441
1442     // verify that only one item is selected
1443     if (selectionManager->selectedItems().count() == 1) {
1444         const int index = selectionManager->currentItem();
1445         const QUrl fileItemUrl = m_model->fileItem(index).url();
1446
1447         // check if the selected item was the same item that started the twoClicksRenaming
1448         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1449             renameSelectedItems();
1450         }
1451     }
1452 }
1453
1454 void DolphinView::slotTrashFileFinished(KJob* job)
1455 {
1456     if (job->error() == 0) {
1457         emit operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1458     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1459         emit errorMessage(job->errorString());
1460     }
1461 }
1462
1463 void DolphinView::slotDeleteFileFinished(KJob* job)
1464 {
1465     if (job->error() == 0) {
1466         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1467     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1468         emit errorMessage(job->errorString());
1469     }
1470 }
1471
1472 void DolphinView::slotRenamingResult(KJob* job)
1473 {
1474     if (job->error()) {
1475         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1476         Q_ASSERT(copyJob);
1477         const QUrl newUrl = copyJob->destUrl();
1478         const int index = m_model->index(newUrl);
1479         if (index >= 0) {
1480             QHash<QByteArray, QVariant> data;
1481             const QUrl oldUrl = copyJob->srcUrls().at(0);
1482             data.insert("text", oldUrl.fileName());
1483             m_model->setData(index, data);
1484         }
1485     }
1486 }
1487
1488 void DolphinView::slotDirectoryLoadingStarted()
1489 {
1490     // Disable the writestate temporary until it can be determined in a fast way
1491     // in DolphinView::slotLoadingCompleted()
1492     if (m_isFolderWritable) {
1493         m_isFolderWritable = false;
1494         emit writeStateChanged(m_isFolderWritable);
1495     }
1496
1497     emit directoryLoadingStarted();
1498 }
1499
1500 void DolphinView::slotDirectoryLoadingCompleted()
1501 {
1502     // Update the view-state. This has to be done asynchronously
1503     // because the view might not be in its final state yet.
1504     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1505
1506     emit directoryLoadingCompleted();
1507
1508     updateWritableState();
1509 }
1510
1511 void DolphinView::slotItemsChanged()
1512 {
1513     m_assureVisibleCurrentIndex = false;
1514 }
1515
1516 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1517 {
1518     Q_UNUSED(previous);
1519     Q_ASSERT(m_model->sortOrder() == current);
1520
1521     ViewProperties props(viewPropertiesUrl());
1522     props.setSortOrder(current);
1523
1524     emit sortOrderChanged(current);
1525 }
1526
1527 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1528 {
1529     Q_UNUSED(previous);
1530     Q_ASSERT(m_model->sortRole() == current);
1531
1532     ViewProperties props(viewPropertiesUrl());
1533     props.setSortRole(current);
1534
1535     emit sortRoleChanged(current);
1536 }
1537
1538 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1539                                                   const QList<QByteArray>& previous)
1540 {
1541     Q_UNUSED(previous);
1542     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1543
1544     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1545
1546     m_visibleRoles = current;
1547
1548     ViewProperties props(viewPropertiesUrl());
1549     props.setVisibleRoles(m_visibleRoles);
1550
1551     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1552 }
1553
1554 void DolphinView::slotRoleEditingCanceled()
1555 {
1556     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1557                this, &DolphinView::slotRoleEditingFinished);
1558 }
1559
1560 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1561 {
1562     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1563                this, &DolphinView::slotRoleEditingFinished);
1564
1565     if (index < 0 || index >= m_model->count()) {
1566         return;
1567     }
1568
1569     if (role == "text") {
1570         const KFileItem oldItem = m_model->fileItem(index);
1571         const QString newName = value.toString();
1572         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1573             const QUrl oldUrl = oldItem.url();
1574
1575             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1576             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1577
1578             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1579             if (!newNameExistsAlready) {
1580                 // Only change the data in the model if no item with the new name
1581                 // is in the model yet. If there is an item with the new name
1582                 // already, calling KIO::CopyJob will open a dialog
1583                 // asking for a new name, and KFileItemModel will update the
1584                 // data when the dir lister signals that the file name has changed.
1585                 QHash<QByteArray, QVariant> data;
1586                 data.insert(role, value);
1587                 m_model->setData(index, data);
1588             }
1589
1590             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1591             KJobWidgets::setWindow(job, this);
1592             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1593             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
1594
1595             forceUrlsSelection(newUrl, {newUrl});
1596
1597             if (!newNameExistsAlready) {
1598                 // Only connect the result signal if there is no item with the new name
1599                 // in the model yet, see bug 328262.
1600                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1601             }
1602         }
1603     }
1604 }
1605
1606 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1607 {
1608     if (!url.isValid()) {
1609         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1610         if (location.isEmpty()) {
1611             emit errorMessage(i18nc("@info:status", "The location is empty."));
1612         } else {
1613             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1614         }
1615         return;
1616     }
1617
1618     if (reload) {
1619         m_model->refreshDirectory(url);
1620     } else {
1621         m_model->loadDirectory(url);
1622     }
1623 }
1624
1625 void DolphinView::applyViewProperties()
1626 {
1627     const ViewProperties props(viewPropertiesUrl());
1628     applyViewProperties(props);
1629 }
1630
1631 void DolphinView::applyViewProperties(const ViewProperties& props)
1632 {
1633     m_view->beginTransaction();
1634
1635     const Mode mode = props.viewMode();
1636     if (m_mode != mode) {
1637         const Mode previousMode = m_mode;
1638         m_mode = mode;
1639
1640         // Changing the mode might result in changing
1641         // the zoom level. Remember the old zoom level so
1642         // that zoomLevelChanged() can get emitted.
1643         const int oldZoomLevel = m_view->zoomLevel();
1644         applyModeToView();
1645
1646         emit modeChanged(m_mode, previousMode);
1647
1648         if (m_view->zoomLevel() != oldZoomLevel) {
1649             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1650         }
1651     }
1652
1653     const bool hiddenFilesShown = props.hiddenFilesShown();
1654     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1655         m_model->setShowHiddenFiles(hiddenFilesShown);
1656         emit hiddenFilesShownChanged(hiddenFilesShown);
1657     }
1658
1659     const bool groupedSorting = props.groupedSorting();
1660     if (groupedSorting != m_model->groupedSorting()) {
1661         m_model->setGroupedSorting(groupedSorting);
1662         emit groupedSortingChanged(groupedSorting);
1663     }
1664
1665     const QByteArray sortRole = props.sortRole();
1666     if (sortRole != m_model->sortRole()) {
1667         m_model->setSortRole(sortRole);
1668         emit sortRoleChanged(sortRole);
1669     }
1670
1671     const Qt::SortOrder sortOrder = props.sortOrder();
1672     if (sortOrder != m_model->sortOrder()) {
1673         m_model->setSortOrder(sortOrder);
1674         emit sortOrderChanged(sortOrder);
1675     }
1676
1677     const bool sortFoldersFirst = props.sortFoldersFirst();
1678     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1679         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1680         emit sortFoldersFirstChanged(sortFoldersFirst);
1681     }
1682
1683     const QList<QByteArray> visibleRoles = props.visibleRoles();
1684     if (visibleRoles != m_visibleRoles) {
1685         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1686         m_visibleRoles = visibleRoles;
1687         m_view->setVisibleRoles(visibleRoles);
1688         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1689     }
1690
1691     const bool previewsShown = props.previewsShown();
1692     if (previewsShown != m_view->previewsShown()) {
1693         const int oldZoomLevel = zoomLevel();
1694
1695         m_view->setPreviewsShown(previewsShown);
1696         emit previewsShownChanged(previewsShown);
1697
1698         // Changing the preview-state might result in a changed zoom-level
1699         if (oldZoomLevel != zoomLevel()) {
1700             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1701         }
1702     }
1703
1704     KItemListView* itemListView = m_container->controller()->view();
1705     if (itemListView->isHeaderVisible()) {
1706         KItemListHeader* header = itemListView->header();
1707         const QList<int> headerColumnWidths = props.headerColumnWidths();
1708         const int rolesCount = m_visibleRoles.count();
1709         if (headerColumnWidths.count() == rolesCount) {
1710             header->setAutomaticColumnResizing(false);
1711
1712             QHash<QByteArray, qreal> columnWidths;
1713             for (int i = 0; i < rolesCount; ++i) {
1714                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1715             }
1716             header->setColumnWidths(columnWidths);
1717         } else {
1718             header->setAutomaticColumnResizing(true);
1719         }
1720     }
1721
1722     m_view->endTransaction();
1723 }
1724
1725 void DolphinView::applyModeToView()
1726 {
1727     switch (m_mode) {
1728     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1729     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1730     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1731     default: Q_ASSERT(false); break;
1732     }
1733 }
1734
1735 void DolphinView::pasteToUrl(const QUrl& url)
1736 {
1737     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1738     KJobWidgets::setWindow(job, this);
1739     m_clearSelectionBeforeSelectingNewItems = true;
1740     m_markFirstNewlySelectedItemAsCurrent = true;
1741     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1742     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotPasteJobResult);
1743 }
1744
1745 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1746 {
1747     QList<QUrl> urls;
1748
1749     const KFileItemList items = selectedItems();
1750     urls.reserve(items.count());
1751     foreach (const KFileItem& item, items) {
1752         urls.append(item.url());
1753     }
1754
1755     if (itemsExpandable()) {
1756         // TODO: Check if we still need KDirModel for this in KDE 5.0
1757         urls = KDirModel::simplifiedUrlList(urls);
1758     }
1759
1760     return urls;
1761 }
1762
1763 QMimeData* DolphinView::selectionMimeData() const
1764 {
1765     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1766     const KItemSet selectedIndexes = selectionManager->selectedItems();
1767
1768     return m_model->createMimeData(selectedIndexes);
1769 }
1770
1771 void DolphinView::updateWritableState()
1772 {
1773     const bool wasFolderWritable = m_isFolderWritable;
1774     m_isFolderWritable = false;
1775
1776     KFileItem item = m_model->rootItem();
1777     if (item.isNull()) {
1778         // Try to find out if the URL is writable even if the "root item" is
1779         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1780         item = KFileItem(url());
1781         item.setDelayedMimeTypes(true);
1782     }
1783
1784     KFileItemListProperties capabilities(KFileItemList() << item);
1785     m_isFolderWritable = capabilities.supportsWriting();
1786
1787     if (m_isFolderWritable != wasFolderWritable) {
1788         emit writeStateChanged(m_isFolderWritable);
1789     }
1790 }
1791
1792 QUrl DolphinView::viewPropertiesUrl() const
1793 {
1794     if (m_viewPropertiesContext.isEmpty()) {
1795         return m_url;
1796     }
1797
1798     QUrl url;
1799     url.setScheme(m_url.scheme());
1800     url.setPath(m_viewPropertiesContext);
1801     return url;
1802 }
1803
1804 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl>& urls)
1805 {
1806     forceUrlsSelection(urls.first(), urls);
1807 }
1808
1809 void DolphinView::forceUrlsSelection(const QUrl& current, const QList<QUrl>& selected)
1810 {
1811     clearSelection();
1812     m_clearSelectionBeforeSelectingNewItems = true;
1813     markUrlAsCurrent(current);
1814     markUrlsAsSelected(selected);
1815 }