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