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 <config-baloo.h>
  24
  25 #include <QAbstractItemView>
  26 #include <QApplication>
  27 #include <QClipboard>
  28 #include <QDropEvent>
  29 #include <QGraphicsSceneDragDropEvent>
  30 #include <QTimer>
  31 #include <QScrollBar>
  32 #include <QPixmapCache>
  33 #include <QPointer>
  34 #include <QMenu>
  35 #include <QVBoxLayout>
  36 #include <KDesktopFile>
  37 #include <KProtocolManager>
  38 #include <KColorScheme>
  39 #include <KDirModel>
  40 #include <KFileItem>
  41 #include <KFileItemListProperties>
  42 #include <KLocalizedString>
  43 #include <kitemviews/kfileitemmodel.h>
  44 #include <kitemviews/kfileitemlistview.h>
  45 #include <kitemviews/kitemlistcontainer.h>
  46 #include <kitemviews/kitemlistheader.h>
  47 #include <kitemviews/kitemlistselectionmanager.h>
  48 #include <kitemviews/kitemlistview.h>
  49 #include <kitemviews/kitemlistcontroller.h>
  50 #include <KIO/CopyJob>
  51 #include <KIO/DeleteJob>
  52 #include <KIO/JobUiDelegate>
  53 #include <KIO/PreviewJob>
  54 #include <KIO/DropJob>
  55 #include <KIO/PasteJob>
  56 #include <KIO/Paste>
  57 #include <KJob>
  58 #include <KMessageBox>
  59 #include <KJobWidgets>
  60 #include <QUrl>
  61
  62 #include "dolphinnewfilemenuobserver.h"
  63 #include "dolphin_detailsmodesettings.h"
  64 #include "dolphin_generalsettings.h"
  65 #include "dolphinitemlistview.h"
  66 #include "draganddrophelper.h"
  67 #include "renamedialog.h"
  68 #include "versioncontrol/versioncontrolobserver.h"
  69 #include "viewmodecontroller.h"
  70 #include "viewproperties.h"
  71 #include "views/tooltips/tooltipmanager.h"
  72 #include "zoomlevelinfo.h"
  73
  74 #ifdef HAVE_BALOO
  75     #include <Baloo/IndexerConfig>
  76 #endif
  77 #include <KFormat>
  78
  79 DolphinView::DolphinView(const QUrl& url, QWidget* parent) :
  80     QWidget(parent),
  81     m_active(true),
  82     m_tabsForFiles(false),
  83     m_assureVisibleCurrentIndex(false),
  84     m_isFolderWritable(true),
  85     m_dragging(false),
  86     m_url(url),
  87     m_viewPropertiesContext(),
  88     m_mode(DolphinView::IconsView),
  89     m_visibleRoles(),
  90     m_topLayout(0),
  91     m_model(0),
  92     m_view(0),
  93     m_container(0),
  94     m_toolTipManager(0),
  95     m_selectionChangedTimer(0),
  96     m_currentItemUrl(),
  97     m_scrollToCurrentItem(false),
  98     m_restoredContentsPosition(),
  99     m_selectedUrls(),
 100     m_clearSelectionBeforeSelectingNewItems(false),
 101     m_markFirstNewlySelectedItemAsCurrent(false),
 102     m_versionControlObserver(0),
 103     m_twoClicksRenamingTimer(nullptr)
 104 {
 105     m_topLayout = new QVBoxLayout(this);
 106     m_topLayout->setSpacing(0);
 107     m_topLayout->setMargin(0);
 108
 109     // When a new item has been created by the "Create New..." menu, the item should
 110     // get selected and it must be assured that the item will get visible. As the
 111     // creation is done asynchronously, several signals must be checked:
 112     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated,
 113             this, &DolphinView::observeCreatedItem);
 114
 115     m_selectionChangedTimer = new QTimer(this);
 116     m_selectionChangedTimer->setSingleShot(true);
 117     m_selectionChangedTimer->setInterval(300);
 118     connect(m_selectionChangedTimer, &QTimer::timeout,
 119             this, &DolphinView::emitSelectionChangedSignal);
 120
 121     m_model = new KFileItemModel(this);
 122     m_view = new DolphinItemListView();
 123     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 124     m_view->setVisibleRoles({"text"});
 125     applyModeToView();
 126
 127     KItemListController* controller = new KItemListController(m_model, m_view, this);
 128     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 129     controller->setAutoActivationDelay(delay);
 130
 131     // The EnlargeSmallPreviews setting can only be changed after the model
 132     // has been set in the view by KItemListController.
 133     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 134
 135     m_container = new KItemListContainer(controller, this);
 136     m_container->installEventFilter(this);
 137     setFocusProxy(m_container);
 138     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, &DolphinView::hideToolTip);
 139     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, &DolphinView::hideToolTip);
 140
 141     controller->setSelectionBehavior(KItemListController::MultiSelection);
 142     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 143     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 144     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 145     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 146     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 147     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 148     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 149     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 150     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 151     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 152     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 153     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 154     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 155
 156     connect(m_model, &KFileItemModel::directoryLoadingStarted,       this, &DolphinView::slotDirectoryLoadingStarted);
 157     connect(m_model, &KFileItemModel::directoryLoadingCompleted,     this, &DolphinView::slotDirectoryLoadingCompleted);
 158     connect(m_model, &KFileItemModel::directoryLoadingCanceled,      this, &DolphinView::directoryLoadingCanceled);
 159     connect(m_model, &KFileItemModel::directoryLoadingProgress,   this, &DolphinView::directoryLoadingProgress);
 160     connect(m_model, &KFileItemModel::directorySortingProgress,   this, &DolphinView::directorySortingProgress);
 161     connect(m_model, &KFileItemModel::itemsChanged,
 162             this, &DolphinView::slotItemsChanged);
 163     connect(m_model, &KFileItemModel::itemsRemoved,    this, &DolphinView::itemCountChanged);
 164     connect(m_model, &KFileItemModel::itemsInserted,   this, &DolphinView::itemCountChanged);
 165     connect(m_model, &KFileItemModel::infoMessage,            this, &DolphinView::infoMessage);
 166     connect(m_model, &KFileItemModel::errorMessage,           this, &DolphinView::errorMessage);
 167     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 168     connect(m_model, &KFileItemModel::urlIsFileError,            this, &DolphinView::urlIsFileError);
 169
 170     m_view->installEventFilter(this);
 171     connect(m_view, &DolphinItemListView::sortOrderChanged,
 172             this, &DolphinView::slotSortOrderChangedByHeader);
 173     connect(m_view, &DolphinItemListView::sortRoleChanged,
 174             this, &DolphinView::slotSortRoleChangedByHeader);
 175     connect(m_view, &DolphinItemListView::visibleRolesChanged,
 176             this, &DolphinView::slotVisibleRolesChangedByHeader);
 177     connect(m_view, &DolphinItemListView::roleEditingCanceled,
 178             this, &DolphinView::slotRoleEditingCanceled);
 179     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished,
 180             this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 181
 182     KItemListSelectionManager* selectionManager = controller->selectionManager();
 183     connect(selectionManager, &KItemListSelectionManager::selectionChanged,
 184             this, &DolphinView::slotSelectionChanged);
 185
 186     m_toolTipManager = new ToolTipManager(this);
 187     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 188
 189     m_versionControlObserver = new VersionControlObserver(this);
 190     m_versionControlObserver->setModel(m_model);
 191     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 192     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 193     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 194
 195     m_twoClicksRenamingTimer = new QTimer(this);
 196     m_twoClicksRenamingTimer->setSingleShot(true);
 197     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 198
 199     applyViewProperties();
 200     m_topLayout->addWidget(m_container);
 201
 202     loadDirectory(url);
 203 }
 204
 205 DolphinView::~DolphinView()
 206 {
 207 }
 208
 209 QUrl DolphinView::url() const
 210 {
 211     return m_url;
 212 }
 213
 214 void DolphinView::setActive(bool active)
 215 {
 216     if (active == m_active) {
 217         return;
 218     }
 219
 220     m_active = active;
 221
 222     updatePalette();
 223
 224     if (active) {
 225         m_container->setFocus();
 226         emit activated();
 227         emit writeStateChanged(m_isFolderWritable);
 228     }
 229 }
 230
 231 bool DolphinView::isActive() const
 232 {
 233     return m_active;
 234 }
 235
 236 void DolphinView::setMode(Mode mode)
 237 {
 238     if (mode != m_mode) {
 239         ViewProperties props(viewPropertiesUrl());
 240         props.setViewMode(mode);
 241
 242         // We pass the new ViewProperties to applyViewProperties, rather than
 243         // storing them on disk and letting applyViewProperties() read them
 244         // from there, to prevent that changing the view mode fails if the
 245         // .directory file is not writable (see bug 318534).
 246         applyViewProperties(props);
 247     }
 248 }
 249
 250 DolphinView::Mode DolphinView::mode() const
 251 {
 252     return m_mode;
 253 }
 254
 255 void DolphinView::setPreviewsShown(bool show)
 256 {
 257     if (previewsShown() == show) {
 258         return;
 259     }
 260
 261     ViewProperties props(viewPropertiesUrl());
 262     props.setPreviewsShown(show);
 263
 264     const int oldZoomLevel = m_view->zoomLevel();
 265     m_view->setPreviewsShown(show);
 266     emit previewsShownChanged(show);
 267
 268     const int newZoomLevel = m_view->zoomLevel();
 269     if (newZoomLevel != oldZoomLevel) {
 270         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 271     }
 272 }
 273
 274 bool DolphinView::previewsShown() const
 275 {
 276     return m_view->previewsShown();
 277 }
 278
 279 void DolphinView::setHiddenFilesShown(bool show)
 280 {
 281     if (m_model->showHiddenFiles() == show) {
 282         return;
 283     }
 284
 285     const KFileItemList itemList = selectedItems();
 286     m_selectedUrls.clear();
 287     m_selectedUrls = itemList.urlList();
 288
 289     ViewProperties props(viewPropertiesUrl());
 290     props.setHiddenFilesShown(show);
 291
 292     m_model->setShowHiddenFiles(show);
 293     emit hiddenFilesShownChanged(show);
 294 }
 295
 296 bool DolphinView::hiddenFilesShown() const
 297 {
 298     return m_model->showHiddenFiles();
 299 }
 300
 301 void DolphinView::setGroupedSorting(bool grouped)
 302 {
 303     if (grouped == groupedSorting()) {
 304         return;
 305     }
 306
 307     ViewProperties props(viewPropertiesUrl());
 308     props.setGroupedSorting(grouped);
 309     props.save();
 310
 311     m_container->controller()->model()->setGroupedSorting(grouped);
 312
 313     emit groupedSortingChanged(grouped);
 314 }
 315
 316 bool DolphinView::groupedSorting() const
 317 {
 318     return m_model->groupedSorting();
 319 }
 320
 321 KFileItemList DolphinView::items() const
 322 {
 323     KFileItemList list;
 324     const int itemCount = m_model->count();
 325     list.reserve(itemCount);
 326
 327     for (int i = 0; i < itemCount; ++i) {
 328         list.append(m_model->fileItem(i));
 329     }
 330
 331     return list;
 332 }
 333
 334 int DolphinView::itemsCount() const
 335 {
 336     return m_model->count();
 337 }
 338
 339 KFileItemList DolphinView::selectedItems() const
 340 {
 341     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 342
 343     KFileItemList selectedItems;
 344     const auto items = selectionManager->selectedItems();
 345     selectedItems.reserve(items.count());
 346     for (int index : items) {
 347         selectedItems.append(m_model->fileItem(index));
 348     }
 349     return selectedItems;
 350 }
 351
 352 int DolphinView::selectedItemsCount() const
 353 {
 354     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 355     return selectionManager->selectedItems().count();
 356 }
 357
 358 void DolphinView::markUrlsAsSelected(const QList<QUrl>& urls)
 359 {
 360     m_selectedUrls = urls;
 361 }
 362
 363 void DolphinView::markUrlAsCurrent(const QUrl &url)
 364 {
 365     m_currentItemUrl = url;
 366     m_scrollToCurrentItem = true;
 367 }
 368
 369 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 370 {
 371     const KItemListSelectionManager::SelectionMode mode = enabled
 372                                                         ? KItemListSelectionManager::Select
 373                                                         : KItemListSelectionManager::Deselect;
 374     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 375
 376     for (int index = 0; index < m_model->count(); index++) {
 377         const KFileItem item = m_model->fileItem(index);
 378         if (pattern.exactMatch(item.text())) {
 379             // An alternative approach would be to store the matching items in a KItemSet and
 380             // select them in one go after the loop, but we'd need a new function
 381             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 382             // for that.
 383             selectionManager->setSelected(index, 1, mode);
 384         }
 385     }
 386 }
 387
 388 void DolphinView::setZoomLevel(int level)
 389 {
 390     const int oldZoomLevel = zoomLevel();
 391     m_view->setZoomLevel(level);
 392     if (zoomLevel() != oldZoomLevel) {
 393         hideToolTip();
 394         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 395     }
 396 }
 397
 398 int DolphinView::zoomLevel() const
 399 {
 400     return m_view->zoomLevel();
 401 }
 402
 403 void DolphinView::setSortRole(const QByteArray& role)
 404 {
 405     if (role != sortRole()) {
 406         updateSortRole(role);
 407     }
 408 }
 409
 410 QByteArray DolphinView::sortRole() const
 411 {
 412     const KItemModelBase* model = m_container->controller()->model();
 413     return model->sortRole();
 414 }
 415
 416 void DolphinView::setSortOrder(Qt::SortOrder order)
 417 {
 418     if (sortOrder() != order) {
 419         updateSortOrder(order);
 420     }
 421 }
 422
 423 Qt::SortOrder DolphinView::sortOrder() const
 424 {
 425     return m_model->sortOrder();
 426 }
 427
 428 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 429 {
 430     if (sortFoldersFirst() != foldersFirst) {
 431         updateSortFoldersFirst(foldersFirst);
 432     }
 433 }
 434
 435 bool DolphinView::sortFoldersFirst() const
 436 {
 437     return m_model->sortDirectoriesFirst();
 438 }
 439
 440 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 441 {
 442     const QList<QByteArray> previousRoles = roles;
 443
 444     ViewProperties props(viewPropertiesUrl());
 445     props.setVisibleRoles(roles);
 446
 447     m_visibleRoles = roles;
 448     m_view->setVisibleRoles(roles);
 449
 450     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 451 }
 452
 453 QList<QByteArray> DolphinView::visibleRoles() const
 454 {
 455     return m_visibleRoles;
 456 }
 457
 458 void DolphinView::reload()
 459 {
 460     QByteArray viewState;
 461     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 462     saveState(saveStream);
 463
 464     setUrl(url());
 465     loadDirectory(url(), true);
 466
 467     QDataStream restoreStream(viewState);
 468     restoreState(restoreStream);
 469 }
 470
 471 void DolphinView::readSettings()
 472 {
 473     const int oldZoomLevel = m_view->zoomLevel();
 474
 475     GeneralSettings::self()->load();
 476     m_view->readSettings();
 477     applyViewProperties();
 478
 479     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 480     m_container->controller()->setAutoActivationDelay(delay);
 481
 482     const int newZoomLevel = m_view->zoomLevel();
 483     if (newZoomLevel != oldZoomLevel) {
 484         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 485     }
 486 }
 487
 488 void DolphinView::writeSettings()
 489 {
 490     GeneralSettings::self()->save();
 491     m_view->writeSettings();
 492 }
 493
 494 void DolphinView::setNameFilter(const QString& nameFilter)
 495 {
 496     m_model->setNameFilter(nameFilter);
 497 }
 498
 499 QString DolphinView::nameFilter() const
 500 {
 501     return m_model->nameFilter();
 502 }
 503
 504 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 505 {
 506     return m_model->setMimeTypeFilters(filters);
 507 }
 508
 509 QStringList DolphinView::mimeTypeFilters() const
 510 {
 511     return m_model->mimeTypeFilters();
 512 }
 513
 514 QString DolphinView::statusBarText() const
 515 {
 516     QString summary;
 517     QString foldersText;
 518     QString filesText;
 519
 520     int folderCount = 0;
 521     int fileCount = 0;
 522     KIO::filesize_t totalFileSize = 0;
 523
 524     if (m_container->controller()->selectionManager()->hasSelection()) {
 525         // Give a summary of the status of the selected files
 526         const KFileItemList list = selectedItems();
 527         foreach (const KFileItem& item, list) {
 528             if (item.isDir()) {
 529                 ++folderCount;
 530             } else {
 531                 ++fileCount;
 532                 totalFileSize += item.size();
 533             }
 534         }
 535
 536         if (folderCount + fileCount == 1) {
 537             // If only one item is selected, show info about it
 538             return list.first().getStatusBarInfo();
 539         } else {
 540             // At least 2 items are selected
 541             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 542             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 543         }
 544     } else {
 545         calculateItemCount(fileCount, folderCount, totalFileSize);
 546         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 547         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 548     }
 549
 550     if (fileCount > 0 && folderCount > 0) {
 551         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 552                         foldersText, filesText,
 553                         KFormat().formatByteSize(totalFileSize));
 554     } else if (fileCount > 0) {
 555         summary = i18nc("@info:status files (size)", "%1 (%2)",
 556                         filesText,
 557                         KFormat().formatByteSize(totalFileSize));
 558     } else if (folderCount > 0) {
 559         summary = foldersText;
 560     } else {
 561         summary = i18nc("@info:status", "0 Folders, 0 Files");
 562     }
 563
 564     return summary;
 565 }
 566
 567 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 568 {
 569     QList<QAction*> actions;
 570
 571     if (items.isEmpty()) {
 572         const KFileItem item = m_model->rootItem();
 573         if (!item.isNull()) {
 574             actions = m_versionControlObserver->actions(KFileItemList() << item);
 575         }
 576     } else {
 577         actions = m_versionControlObserver->actions(items);
 578     }
 579
 580     return actions;
 581 }
 582
 583 void DolphinView::setUrl(const QUrl& url)
 584 {
 585     if (url == m_url) {
 586         return;
 587     }
 588
 589     clearSelection();
 590
 591     m_url = url;
 592
 593     hideToolTip();
 594
 595     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 596                this, &DolphinView::slotRoleEditingFinished);
 597
 598     // It is important to clear the items from the model before
 599     // applying the view properties, otherwise expensive operations
 600     // might be done on the existing items although they get cleared
 601     // anyhow afterwards by loadDirectory().
 602     m_model->clear();
 603     applyViewProperties();
 604     loadDirectory(url);
 605
 606     emit urlChanged(url);
 607 }
 608
 609 void DolphinView::selectAll()
 610 {
 611     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 612     selectionManager->setSelected(0, m_model->count());
 613 }
 614
 615 void DolphinView::invertSelection()
 616 {
 617     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 618     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 619 }
 620
 621 void DolphinView::clearSelection()
 622 {
 623     m_selectedUrls.clear();
 624     m_container->controller()->selectionManager()->clearSelection();
 625 }
 626
 627 void DolphinView::renameSelectedItems()
 628 {
 629     const KFileItemList items = selectedItems();
 630     if (items.isEmpty()) {
 631         return;
 632     }
 633
 634     if (items.count() == 1 && GeneralSettings::renameInline()) {
 635         const int index = m_model->index(items.first());
 636         m_view->editRole(index, "text");
 637
 638         hideToolTip();
 639
 640         connect(m_view, &DolphinItemListView::roleEditingFinished,
 641                 this, &DolphinView::slotRoleEditingFinished);
 642     } else {
 643         RenameDialog* dialog = new RenameDialog(this, items);
 644
 645         connect(dialog, &RenameDialog::renamingFinished, this, &DolphinView::slotRenameDialogRenamingFinished);
 646
 647         dialog->setAttribute(Qt::WA_DeleteOnClose);
 648         dialog->show();
 649         dialog->raise();
 650         dialog->activateWindow();
 651     }
 652
 653     // Assure that the current index remains visible when KFileItemModel
 654     // will notify the view about changed items (which might result in
 655     // a changed sorting).
 656     m_assureVisibleCurrentIndex = true;
 657 }
 658
 659 void DolphinView::trashSelectedItems()
 660 {
 661     const QList<QUrl> list = simplifiedSelectedUrls();
 662     KIO::JobUiDelegate uiDelegate;
 663     uiDelegate.setWindow(window());
 664     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 665         KIO::Job* job = KIO::trash(list);
 666         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, QUrl(QStringLiteral("trash:/")), job);
 667         KJobWidgets::setWindow(job, this);
 668         connect(job, &KIO::Job::result,
 669                 this, &DolphinView::slotTrashFileFinished);
 670     }
 671 }
 672
 673 void DolphinView::deleteSelectedItems()
 674 {
 675     const QList<QUrl> list = simplifiedSelectedUrls();
 676
 677     KIO::JobUiDelegate uiDelegate;
 678     uiDelegate.setWindow(window());
 679     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 680         KIO::Job* job = KIO::del(list);
 681         KJobWidgets::setWindow(job, this);
 682         connect(job, &KIO::Job::result,
 683                 this, &DolphinView::slotDeleteFileFinished);
 684     }
 685 }
 686
 687 void DolphinView::cutSelectedItems()
 688 {
 689     QMimeData* mimeData = selectionMimeData();
 690     KIO::setClipboardDataCut(mimeData, true);
 691     QApplication::clipboard()->setMimeData(mimeData);
 692 }
 693
 694 void DolphinView::copySelectedItems()
 695 {
 696     QMimeData* mimeData = selectionMimeData();
 697     QApplication::clipboard()->setMimeData(mimeData);
 698 }
 699
 700 void DolphinView::paste()
 701 {
 702     pasteToUrl(url());
 703 }
 704
 705 void DolphinView::pasteIntoFolder()
 706 {
 707     const KFileItemList items = selectedItems();
 708     if ((items.count() == 1) && items.first().isDir()) {
 709         pasteToUrl(items.first().url());
 710     }
 711 }
 712
 713 void DolphinView::stopLoading()
 714 {
 715     m_model->cancelDirectoryLoading();
 716 }
 717
 718 void DolphinView::updatePalette()
 719 {
 720     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 721     if (!m_active) {
 722         color.setAlpha(150);
 723     }
 724
 725     QWidget* viewport = m_container->viewport();
 726     if (viewport) {
 727         QPalette palette;
 728         palette.setColor(viewport->backgroundRole(), color);
 729         viewport->setPalette(palette);
 730     }
 731
 732     update();
 733 }
 734
 735 void DolphinView::abortTwoClicksRenaming()
 736 {
 737     m_twoClicksRenamingItemUrl.clear();
 738     m_twoClicksRenamingTimer->stop();
 739 }
 740
 741 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 742 {
 743     switch (event->type()) {
 744     case QEvent::PaletteChange:
 745         updatePalette();
 746         QPixmapCache::clear();
 747         break;
 748
 749     case QEvent::KeyPress:
 750         if (GeneralSettings::useTabForSwitchingSplitView()) {
 751             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 752             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 753                 emit toggleActiveViewRequested();
 754                 return true;
 755             }
 756         }
 757         break;
 758     case QEvent::FocusIn:
 759         if (watched == m_container) {
 760             setActive(true);
 761         }
 762         break;
 763
 764     case QEvent::GraphicsSceneDragEnter:
 765         if (watched == m_view) {
 766             m_dragging = true;
 767         }
 768         break;
 769
 770     case QEvent::GraphicsSceneDragLeave:
 771         if (watched == m_view) {
 772             m_dragging = false;
 773         }
 774         break;
 775
 776     case QEvent::GraphicsSceneDrop:
 777         if (watched == m_view) {
 778             m_dragging = false;
 779         }
 780     default:
 781         break;
 782     }
 783
 784     return QWidget::eventFilter(watched, event);
 785 }
 786
 787 void DolphinView::wheelEvent(QWheelEvent* event)
 788 {
 789     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 790         const int numDegrees = event->delta() / 8;
 791         const int numSteps = numDegrees / 15;
 792
 793         setZoomLevel(zoomLevel() + numSteps);
 794         event->accept();
 795     } else {
 796         event->ignore();
 797     }
 798 }
 799
 800 void DolphinView::hideEvent(QHideEvent* event)
 801 {
 802     hideToolTip();
 803     QWidget::hideEvent(event);
 804 }
 805
 806 bool DolphinView::event(QEvent* event)
 807 {
 808     if (event->type() == QEvent::WindowDeactivate) {
 809         /* See Bug 297355
 810          * Dolphin leaves file preview tooltips open even when is not visible.
 811          *
 812          * Hide tool-tip when Dolphin loses focus.
 813          */
 814         hideToolTip();
 815         abortTwoClicksRenaming();
 816     }
 817
 818     return QWidget::event(event);
 819 }
 820
 821 void DolphinView::activate()
 822 {
 823     setActive(true);
 824 }
 825
 826 void DolphinView::slotItemActivated(int index)
 827 {
 828     abortTwoClicksRenaming();
 829
 830     const KFileItem item = m_model->fileItem(index);
 831     if (!item.isNull()) {
 832         emit itemActivated(item);
 833     }
 834 }
 835
 836 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 837 {
 838     Q_ASSERT(indexes.count() >= 2);
 839
 840     abortTwoClicksRenaming();
 841
 842     if (indexes.count() > 5) {
 843         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 844         const int answer = KMessageBox::warningYesNo(this, question);
 845         if (answer != KMessageBox::Yes) {
 846             return;
 847         }
 848     }
 849
 850     KFileItemList items;
 851     items.reserve(indexes.count());
 852
 853     for (int index : indexes) {
 854         KFileItem item = m_model->fileItem(index);
 855         const QUrl& url = openItemAsFolderUrl(item);
 856
 857         if (!url.isEmpty()) { // Open folders in new tabs
 858             emit tabRequested(url);
 859         } else {
 860             items.append(item);
 861         }
 862     }
 863
 864     if (items.count() == 1) {
 865         emit itemActivated(items.first());
 866     } else if (items.count() > 1) {
 867         emit itemsActivated(items);
 868     }
 869 }
 870
 871 void DolphinView::slotItemMiddleClicked(int index)
 872 {
 873     const KFileItem& item = m_model->fileItem(index);
 874     const QUrl& url = openItemAsFolderUrl(item);
 875     if (!url.isEmpty()) {
 876         emit tabRequested(url);
 877     } else if (isTabsForFilesEnabled()) {
 878         emit tabRequested(item.url());
 879     }
 880 }
 881
 882 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 883 {
 884     // Force emit of a selection changed signal before we request the
 885     // context menu, to update the edit-actions first. (See Bug 294013)
 886     if (m_selectionChangedTimer->isActive()) {
 887         emitSelectionChangedSignal();
 888     }
 889
 890     const KFileItem item = m_model->fileItem(index);
 891     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 892 }
 893
 894 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 895 {
 896     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 897 }
 898
 899 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 900 {
 901     ViewProperties props(viewPropertiesUrl());
 902
 903     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
 904
 905     KItemListView* view = m_container->controller()->view();
 906     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 907
 908     bool indexingEnabled = false;
 909 #ifdef HAVE_BALOO
 910     Baloo::IndexerConfig config;
 911     indexingEnabled = config.fileIndexingEnabled();
 912 #endif
 913
 914     QString groupName;
 915     QMenu* groupMenu = 0;
 916
 917     // Add all roles to the menu that can be shown or hidden by the user
 918     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 919     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 920         if (info.role == "text") {
 921             // It should not be possible to hide the "text" role
 922             continue;
 923         }
 924
 925         const QString text = m_model->roleDescription(info.role);
 926         QAction* action = 0;
 927         if (info.group.isEmpty()) {
 928             action = menu->addAction(text);
 929         } else {
 930             if (!groupMenu || info.group != groupName) {
 931                 groupName = info.group;
 932                 groupMenu = menu->addMenu(groupName);
 933             }
 934
 935             action = groupMenu->addAction(text);
 936         }
 937
 938         action->setCheckable(true);
 939         action->setChecked(visibleRolesSet.contains(info.role));
 940         action->setData(info.role);
 941
 942         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 943                             (info.requiresBaloo) ||
 944                             (info.requiresIndexer && indexingEnabled);
 945         action->setEnabled(enable);
 946     }
 947
 948     menu->addSeparator();
 949
 950     QActionGroup* widthsGroup = new QActionGroup(menu);
 951     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 952
 953     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 954     autoAdjustWidthsAction->setCheckable(true);
 955     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 956     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 957
 958     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 959     customWidthsAction->setCheckable(true);
 960     customWidthsAction->setChecked(!autoColumnWidths);
 961     customWidthsAction->setActionGroup(widthsGroup);
 962
 963     QAction* action = menu->exec(pos.toPoint());
 964     if (menu && action) {
 965         KItemListHeader* header = view->header();
 966
 967         if (action == autoAdjustWidthsAction) {
 968             // Clear the column-widths from the viewproperties and turn on
 969             // the automatic resizing of the columns
 970             props.setHeaderColumnWidths(QList<int>());
 971             header->setAutomaticColumnResizing(true);
 972         } else if (action == customWidthsAction) {
 973             // Apply the current column-widths as custom column-widths and turn
 974             // off the automatic resizing of the columns
 975             QList<int> columnWidths;
 976             columnWidths.reserve(view->visibleRoles().count());
 977             foreach (const QByteArray& role, view->visibleRoles()) {
 978                 columnWidths.append(header->columnWidth(role));
 979             }
 980             props.setHeaderColumnWidths(columnWidths);
 981             header->setAutomaticColumnResizing(false);
 982         } else {
 983             // Show or hide the selected role
 984             const QByteArray selectedRole = action->data().toByteArray();
 985
 986             QList<QByteArray> visibleRoles = view->visibleRoles();
 987             if (action->isChecked()) {
 988                 visibleRoles.append(selectedRole);
 989             } else {
 990                 visibleRoles.removeOne(selectedRole);
 991             }
 992
 993             view->setVisibleRoles(visibleRoles);
 994             props.setVisibleRoles(visibleRoles);
 995
 996             QList<int> columnWidths;
 997             if (!header->automaticColumnResizing()) {
 998                 columnWidths.reserve(view->visibleRoles().count());
 999                 foreach (const QByteArray& role, view->visibleRoles()) {
1000                     columnWidths.append(header->columnWidth(role));
1001                 }
1002             }
1003             props.setHeaderColumnWidths(columnWidths);
1004         }
1005     }
1006
1007     delete menu;
1008 }
1009
1010 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current)
1011 {
1012     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1013
1014     ViewProperties props(viewPropertiesUrl());
1015     QList<int> columnWidths = props.headerColumnWidths();
1016     if (columnWidths.count() != visibleRoles.count()) {
1017         columnWidths.clear();
1018         columnWidths.reserve(visibleRoles.count());
1019         const KItemListHeader* header = m_view->header();
1020         foreach (const QByteArray& role, visibleRoles) {
1021             const int width = header->columnWidth(role);
1022             columnWidths.append(width);
1023         }
1024     }
1025
1026     const int roleIndex = visibleRoles.indexOf(role);
1027     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1028     columnWidths[roleIndex] = current;
1029
1030     props.setHeaderColumnWidths(columnWidths);
1031 }
1032
1033 void DolphinView::slotItemHovered(int index)
1034 {
1035     const KFileItem item = m_model->fileItem(index);
1036
1037     if (GeneralSettings::showToolTips() && !m_dragging) {
1038         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1039         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1040         itemRect.moveTo(pos);
1041
1042         m_toolTipManager->showToolTip(item, itemRect, nativeParentWidget()->windowHandle());
1043     }
1044
1045     emit requestItemInfo(item);
1046 }
1047
1048 void DolphinView::slotItemUnhovered(int index)
1049 {
1050     Q_UNUSED(index);
1051     hideToolTip();
1052     emit requestItemInfo(KFileItem());
1053 }
1054
1055 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1056 {
1057     QUrl destUrl;
1058     KFileItem destItem = m_model->fileItem(index);
1059     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1060         // Use the URL of the view as drop target if the item is no directory
1061         // or desktop-file
1062         destItem = m_model->rootItem();
1063         destUrl = url();
1064     } else {
1065         // The item represents a directory or desktop-file
1066         destUrl = destItem.mostLocalUrl();
1067     }
1068
1069     QDropEvent dropEvent(event->pos().toPoint(),
1070                          event->possibleActions(),
1071                          event->mimeData(),
1072                          event->buttons(),
1073                          event->modifiers());
1074     dropUrls(destUrl, &dropEvent, this);
1075
1076     setActive(true);
1077 }
1078
1079 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1080 {
1081     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1082
1083     if (job) {
1084         connect(job, &KIO::DropJob::result, this, &DolphinView::slotPasteJobResult);
1085
1086         if (destUrl == url()) {
1087             // Mark the dropped urls as selected.
1088             m_clearSelectionBeforeSelectingNewItems = true;
1089             m_markFirstNewlySelectedItemAsCurrent = true;
1090             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1091         }
1092     }
1093 }
1094
1095 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1096 {
1097     if (previous != 0) {
1098         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1099         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1100         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1101         m_versionControlObserver->setModel(0);
1102     }
1103
1104     if (current) {
1105         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1106         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1107         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1108         m_versionControlObserver->setModel(fileItemModel);
1109     }
1110 }
1111
1112 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1113 {
1114     Q_UNUSED(itemIndex);
1115
1116     hideToolTip();
1117
1118     if (buttons & Qt::BackButton) {
1119         emit goBackRequested();
1120     } else if (buttons & Qt::ForwardButton) {
1121         emit goForwardRequested();
1122     }
1123 }
1124
1125 void DolphinView::slotSelectedItemTextPressed(int index)
1126 {
1127     if (GeneralSettings::renameInline()) {
1128         m_twoClicksRenamingItemUrl = m_model->fileItem(index).url();
1129         m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
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         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         m_currentItemUrl = QUrl();
1369     }
1370
1371     if (!m_restoredContentsPosition.isNull()) {
1372         const int x = m_restoredContentsPosition.x();
1373         const int y = m_restoredContentsPosition.y();
1374         m_restoredContentsPosition = QPoint();
1375
1376         m_container->horizontalScrollBar()->setValue(x);
1377         m_container->verticalScrollBar()->setValue(y);
1378     }
1379
1380     if (!m_selectedUrls.isEmpty()) {
1381         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1382
1383         if (m_clearSelectionBeforeSelectingNewItems) {
1384             selectionManager->clearSelection();
1385             m_clearSelectionBeforeSelectingNewItems = false;
1386         }
1387
1388         KItemSet selectedItems = selectionManager->selectedItems();
1389
1390         QList<QUrl>::iterator it = m_selectedUrls.begin();
1391         while (it != m_selectedUrls.end()) {
1392             const int index = m_model->index(*it);
1393             if (index >= 0) {
1394                 selectedItems.insert(index);
1395                 it = m_selectedUrls.erase(it);
1396             } else {
1397                  ++it;
1398             }
1399         }
1400
1401         selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1402         selectionManager->setSelectedItems(selectedItems);
1403     }
1404 }
1405
1406 void DolphinView::hideToolTip()
1407 {
1408     if (GeneralSettings::showToolTips()) {
1409         m_toolTipManager->hideToolTip();
1410     }
1411 }
1412
1413 void DolphinView::calculateItemCount(int& fileCount,
1414                                      int& folderCount,
1415                                      KIO::filesize_t& totalFileSize) const
1416 {
1417     const int itemCount = m_model->count();
1418     for (int i = 0; i < itemCount; ++i) {
1419         const KFileItem item = m_model->fileItem(i);
1420         if (item.isDir()) {
1421             ++folderCount;
1422         } else {
1423             ++fileCount;
1424             totalFileSize += item.size();
1425         }
1426     }
1427 }
1428
1429 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1430 {
1431     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1432
1433     // verify that only one item is selected and that no item is dragged
1434     if (selectionManager->selectedItems().count() == 1 && !m_dragging) {
1435         const int index = selectionManager->currentItem();
1436         const QUrl fileItemUrl = m_model->fileItem(index).url();
1437
1438         // check if the selected item was the same item that started the twoClicksRenaming
1439         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1440             renameSelectedItems();
1441         }
1442     }
1443 }
1444
1445 void DolphinView::slotTrashFileFinished(KJob* job)
1446 {
1447     if (job->error() == 0) {
1448         emit operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1449     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1450         emit errorMessage(job->errorString());
1451     }
1452 }
1453
1454 void DolphinView::slotDeleteFileFinished(KJob* job)
1455 {
1456     if (job->error() == 0) {
1457         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1458     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1459         emit errorMessage(job->errorString());
1460     }
1461 }
1462
1463 void DolphinView::slotRenamingResult(KJob* job)
1464 {
1465     if (job->error()) {
1466         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1467         Q_ASSERT(copyJob);
1468         const QUrl newUrl = copyJob->destUrl();
1469         const int index = m_model->index(newUrl);
1470         if (index >= 0) {
1471             QHash<QByteArray, QVariant> data;
1472             const QUrl oldUrl = copyJob->srcUrls().at(0);
1473             data.insert("text", oldUrl.fileName());
1474             m_model->setData(index, data);
1475         }
1476     }
1477 }
1478
1479 void DolphinView::slotDirectoryLoadingStarted()
1480 {
1481     // Disable the writestate temporary until it can be determined in a fast way
1482     // in DolphinView::slotLoadingCompleted()
1483     if (m_isFolderWritable) {
1484         m_isFolderWritable = false;
1485         emit writeStateChanged(m_isFolderWritable);
1486     }
1487
1488     emit directoryLoadingStarted();
1489 }
1490
1491 void DolphinView::slotDirectoryLoadingCompleted()
1492 {
1493     // Update the view-state. This has to be done asynchronously
1494     // because the view might not be in its final state yet.
1495     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1496
1497     emit directoryLoadingCompleted();
1498
1499     updateWritableState();
1500 }
1501
1502 void DolphinView::slotItemsChanged()
1503 {
1504     m_assureVisibleCurrentIndex = false;
1505 }
1506
1507 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1508 {
1509     Q_UNUSED(previous);
1510     Q_ASSERT(m_model->sortOrder() == current);
1511
1512     ViewProperties props(viewPropertiesUrl());
1513     props.setSortOrder(current);
1514
1515     emit sortOrderChanged(current);
1516 }
1517
1518 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1519 {
1520     Q_UNUSED(previous);
1521     Q_ASSERT(m_model->sortRole() == current);
1522
1523     ViewProperties props(viewPropertiesUrl());
1524     props.setSortRole(current);
1525
1526     emit sortRoleChanged(current);
1527 }
1528
1529 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1530                                                   const QList<QByteArray>& previous)
1531 {
1532     Q_UNUSED(previous);
1533     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1534
1535     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1536
1537     m_visibleRoles = current;
1538
1539     ViewProperties props(viewPropertiesUrl());
1540     props.setVisibleRoles(m_visibleRoles);
1541
1542     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1543 }
1544
1545 void DolphinView::slotRoleEditingCanceled()
1546 {
1547     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1548                this, &DolphinView::slotRoleEditingFinished);
1549 }
1550
1551 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1552 {
1553     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1554                this, &DolphinView::slotRoleEditingFinished);
1555
1556     if (index < 0 || index >= m_model->count()) {
1557         return;
1558     }
1559
1560     if (role == "text") {
1561         const KFileItem oldItem = m_model->fileItem(index);
1562         const QString newName = value.toString();
1563         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1String(".") && newName != QLatin1String("..")) {
1564             const QUrl oldUrl = oldItem.url();
1565
1566             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1567             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1568
1569             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1570             if (!newNameExistsAlready) {
1571                 // Only change the data in the model if no item with the new name
1572                 // is in the model yet. If there is an item with the new name
1573                 // already, calling KIO::CopyJob will open a dialog
1574                 // asking for a new name, and KFileItemModel will update the
1575                 // data when the dir lister signals that the file name has changed.
1576                 QHash<QByteArray, QVariant> data;
1577                 data.insert(role, value);
1578                 m_model->setData(index, data);
1579             }
1580
1581             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1582             KJobWidgets::setWindow(job, this);
1583             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1584             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
1585
1586             forceUrlsSelection(newUrl, {newUrl});
1587
1588             if (!newNameExistsAlready) {
1589                 // Only connect the result signal if there is no item with the new name
1590                 // in the model yet, see bug 328262.
1591                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1592             }
1593         }
1594     }
1595 }
1596
1597 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1598 {
1599     if (!url.isValid()) {
1600         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1601         if (location.isEmpty()) {
1602             emit errorMessage(i18nc("@info:status", "The location is empty."));
1603         } else {
1604             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1605         }
1606         return;
1607     }
1608
1609     if (reload) {
1610         m_model->refreshDirectory(url);
1611     } else {
1612         m_model->loadDirectory(url);
1613     }
1614 }
1615
1616 void DolphinView::applyViewProperties()
1617 {
1618     const ViewProperties props(viewPropertiesUrl());
1619     applyViewProperties(props);
1620 }
1621
1622 void DolphinView::applyViewProperties(const ViewProperties& props)
1623 {
1624     m_view->beginTransaction();
1625
1626     const Mode mode = props.viewMode();
1627     if (m_mode != mode) {
1628         const Mode previousMode = m_mode;
1629         m_mode = mode;
1630
1631         // Changing the mode might result in changing
1632         // the zoom level. Remember the old zoom level so
1633         // that zoomLevelChanged() can get emitted.
1634         const int oldZoomLevel = m_view->zoomLevel();
1635         applyModeToView();
1636
1637         emit modeChanged(m_mode, previousMode);
1638
1639         if (m_view->zoomLevel() != oldZoomLevel) {
1640             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1641         }
1642     }
1643
1644     const bool hiddenFilesShown = props.hiddenFilesShown();
1645     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1646         m_model->setShowHiddenFiles(hiddenFilesShown);
1647         emit hiddenFilesShownChanged(hiddenFilesShown);
1648     }
1649
1650     const bool groupedSorting = props.groupedSorting();
1651     if (groupedSorting != m_model->groupedSorting()) {
1652         m_model->setGroupedSorting(groupedSorting);
1653         emit groupedSortingChanged(groupedSorting);
1654     }
1655
1656     const QByteArray sortRole = props.sortRole();
1657     if (sortRole != m_model->sortRole()) {
1658         m_model->setSortRole(sortRole);
1659         emit sortRoleChanged(sortRole);
1660     }
1661
1662     const Qt::SortOrder sortOrder = props.sortOrder();
1663     if (sortOrder != m_model->sortOrder()) {
1664         m_model->setSortOrder(sortOrder);
1665         emit sortOrderChanged(sortOrder);
1666     }
1667
1668     const bool sortFoldersFirst = props.sortFoldersFirst();
1669     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1670         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1671         emit sortFoldersFirstChanged(sortFoldersFirst);
1672     }
1673
1674     const QList<QByteArray> visibleRoles = props.visibleRoles();
1675     if (visibleRoles != m_visibleRoles) {
1676         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1677         m_visibleRoles = visibleRoles;
1678         m_view->setVisibleRoles(visibleRoles);
1679         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1680     }
1681
1682     const bool previewsShown = props.previewsShown();
1683     if (previewsShown != m_view->previewsShown()) {
1684         const int oldZoomLevel = zoomLevel();
1685
1686         m_view->setPreviewsShown(previewsShown);
1687         emit previewsShownChanged(previewsShown);
1688
1689         // Changing the preview-state might result in a changed zoom-level
1690         if (oldZoomLevel != zoomLevel()) {
1691             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1692         }
1693     }
1694
1695     KItemListView* itemListView = m_container->controller()->view();
1696     if (itemListView->isHeaderVisible()) {
1697         KItemListHeader* header = itemListView->header();
1698         const QList<int> headerColumnWidths = props.headerColumnWidths();
1699         const int rolesCount = m_visibleRoles.count();
1700         if (headerColumnWidths.count() == rolesCount) {
1701             header->setAutomaticColumnResizing(false);
1702
1703             QHash<QByteArray, qreal> columnWidths;
1704             for (int i = 0; i < rolesCount; ++i) {
1705                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1706             }
1707             header->setColumnWidths(columnWidths);
1708         } else {
1709             header->setAutomaticColumnResizing(true);
1710         }
1711     }
1712
1713     m_view->endTransaction();
1714 }
1715
1716 void DolphinView::applyModeToView()
1717 {
1718     switch (m_mode) {
1719     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1720     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1721     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1722     default: Q_ASSERT(false); break;
1723     }
1724 }
1725
1726 void DolphinView::pasteToUrl(const QUrl& url)
1727 {
1728     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1729     KJobWidgets::setWindow(job, this);
1730     m_clearSelectionBeforeSelectingNewItems = true;
1731     m_markFirstNewlySelectedItemAsCurrent = true;
1732     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1733     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotPasteJobResult);
1734 }
1735
1736 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1737 {
1738     QList<QUrl> urls;
1739
1740     const KFileItemList items = selectedItems();
1741     urls.reserve(items.count());
1742     foreach (const KFileItem& item, items) {
1743         urls.append(item.url());
1744     }
1745
1746     if (itemsExpandable()) {
1747         // TODO: Check if we still need KDirModel for this in KDE 5.0
1748         urls = KDirModel::simplifiedUrlList(urls);
1749     }
1750
1751     return urls;
1752 }
1753
1754 QMimeData* DolphinView::selectionMimeData() const
1755 {
1756     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1757     const KItemSet selectedIndexes = selectionManager->selectedItems();
1758
1759     return m_model->createMimeData(selectedIndexes);
1760 }
1761
1762 void DolphinView::updateWritableState()
1763 {
1764     const bool wasFolderWritable = m_isFolderWritable;
1765     m_isFolderWritable = false;
1766
1767     KFileItem item = m_model->rootItem();
1768     if (item.isNull()) {
1769         // Try to find out if the URL is writable even if the "root item" is
1770         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1771         item = KFileItem(url());
1772         item.setDelayedMimeTypes(true);
1773     }
1774
1775     KFileItemListProperties capabilities(KFileItemList() << item);
1776     m_isFolderWritable = capabilities.supportsWriting();
1777
1778     if (m_isFolderWritable != wasFolderWritable) {
1779         emit writeStateChanged(m_isFolderWritable);
1780     }
1781 }
1782
1783 QUrl DolphinView::viewPropertiesUrl() const
1784 {
1785     if (m_viewPropertiesContext.isEmpty()) {
1786         return m_url;
1787     }
1788
1789     QUrl url;
1790     url.setScheme(m_url.scheme());
1791     url.setPath(m_viewPropertiesContext);
1792     return url;
1793 }
1794
1795 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl>& urls)
1796 {
1797     forceUrlsSelection(urls.first(), urls);
1798 }
1799
1800 void DolphinView::forceUrlsSelection(const QUrl& current, const QList<QUrl>& selected)
1801 {
1802     clearSelection();
1803     m_clearSelectionBeforeSelectingNewItems = true;
1804     markUrlAsCurrent(current);
1805     markUrlsAsSelected(selected);
1806 }