src/views/dolphinview.cpp

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