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->setView(this);
 186     m_versionControlObserver->setModel(m_model);
 187     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 188     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 189     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 190
 191     m_twoClicksRenamingTimer = new QTimer(this);
 192     m_twoClicksRenamingTimer->setSingleShot(true);
 193     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 194
 195     applyViewProperties();
 196     m_topLayout->addWidget(m_container);
 197
 198     loadDirectory(url);
 199 }
 200
 201 DolphinView::~DolphinView()
 202 {
 203 }
 204
 205 QUrl DolphinView::url() const
 206 {
 207     return m_url;
 208 }
 209
 210 void DolphinView::setActive(bool active)
 211 {
 212     if (active == m_active) {
 213         return;
 214     }
 215
 216     m_active = active;
 217
 218     updatePalette();
 219
 220     if (active) {
 221         m_container->setFocus();
 222         emit activated();
 223         emit writeStateChanged(m_isFolderWritable);
 224     }
 225 }
 226
 227 bool DolphinView::isActive() const
 228 {
 229     return m_active;
 230 }
 231
 232 void DolphinView::setMode(Mode mode)
 233 {
 234     if (mode != m_mode) {
 235         ViewProperties props(viewPropertiesUrl());
 236         props.setViewMode(mode);
 237
 238         // We pass the new ViewProperties to applyViewProperties, rather than
 239         // storing them on disk and letting applyViewProperties() read them
 240         // from there, to prevent that changing the view mode fails if the
 241         // .directory file is not writable (see bug 318534).
 242         applyViewProperties(props);
 243     }
 244 }
 245
 246 DolphinView::Mode DolphinView::mode() const
 247 {
 248     return m_mode;
 249 }
 250
 251 void DolphinView::setPreviewsShown(bool show)
 252 {
 253     if (previewsShown() == show) {
 254         return;
 255     }
 256
 257     ViewProperties props(viewPropertiesUrl());
 258     props.setPreviewsShown(show);
 259
 260     const int oldZoomLevel = m_view->zoomLevel();
 261     m_view->setPreviewsShown(show);
 262     emit previewsShownChanged(show);
 263
 264     const int newZoomLevel = m_view->zoomLevel();
 265     if (newZoomLevel != oldZoomLevel) {
 266         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 267     }
 268 }
 269
 270 bool DolphinView::previewsShown() const
 271 {
 272     return m_view->previewsShown();
 273 }
 274
 275 void DolphinView::setHiddenFilesShown(bool show)
 276 {
 277     if (m_model->showHiddenFiles() == show) {
 278         return;
 279     }
 280
 281     const KFileItemList itemList = selectedItems();
 282     m_selectedUrls.clear();
 283     m_selectedUrls = itemList.urlList();
 284
 285     ViewProperties props(viewPropertiesUrl());
 286     props.setHiddenFilesShown(show);
 287
 288     m_model->setShowHiddenFiles(show);
 289     emit hiddenFilesShownChanged(show);
 290 }
 291
 292 bool DolphinView::hiddenFilesShown() const
 293 {
 294     return m_model->showHiddenFiles();
 295 }
 296
 297 void DolphinView::setGroupedSorting(bool grouped)
 298 {
 299     if (grouped == groupedSorting()) {
 300         return;
 301     }
 302
 303     ViewProperties props(viewPropertiesUrl());
 304     props.setGroupedSorting(grouped);
 305     props.save();
 306
 307     m_container->controller()->model()->setGroupedSorting(grouped);
 308
 309     emit groupedSortingChanged(grouped);
 310 }
 311
 312 bool DolphinView::groupedSorting() const
 313 {
 314     return m_model->groupedSorting();
 315 }
 316
 317 KFileItemList DolphinView::items() const
 318 {
 319     KFileItemList list;
 320     const int itemCount = m_model->count();
 321     list.reserve(itemCount);
 322
 323     for (int i = 0; i < itemCount; ++i) {
 324         list.append(m_model->fileItem(i));
 325     }
 326
 327     return list;
 328 }
 329
 330 int DolphinView::itemsCount() const
 331 {
 332     return m_model->count();
 333 }
 334
 335 KFileItemList DolphinView::selectedItems() const
 336 {
 337     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 338
 339     KFileItemList selectedItems;
 340     const auto items = selectionManager->selectedItems();
 341     selectedItems.reserve(items.count());
 342     for (int index : items) {
 343         selectedItems.append(m_model->fileItem(index));
 344     }
 345     return selectedItems;
 346 }
 347
 348 int DolphinView::selectedItemsCount() const
 349 {
 350     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 351     return selectionManager->selectedItems().count();
 352 }
 353
 354 void DolphinView::markUrlsAsSelected(const QList<QUrl>& urls)
 355 {
 356     m_selectedUrls = urls;
 357 }
 358
 359 void DolphinView::markUrlAsCurrent(const QUrl &url)
 360 {
 361     m_currentItemUrl = url;
 362     m_scrollToCurrentItem = true;
 363 }
 364
 365 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 366 {
 367     const KItemListSelectionManager::SelectionMode mode = enabled
 368                                                         ? KItemListSelectionManager::Select
 369                                                         : KItemListSelectionManager::Deselect;
 370     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 371
 372     for (int index = 0; index < m_model->count(); index++) {
 373         const KFileItem item = m_model->fileItem(index);
 374         if (pattern.exactMatch(item.text())) {
 375             // An alternative approach would be to store the matching items in a KItemSet and
 376             // select them in one go after the loop, but we'd need a new function
 377             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 378             // for that.
 379             selectionManager->setSelected(index, 1, mode);
 380         }
 381     }
 382 }
 383
 384 void DolphinView::setZoomLevel(int level)
 385 {
 386     const int oldZoomLevel = zoomLevel();
 387     m_view->setZoomLevel(level);
 388     if (zoomLevel() != oldZoomLevel) {
 389         hideToolTip();
 390         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 391     }
 392 }
 393
 394 int DolphinView::zoomLevel() const
 395 {
 396     return m_view->zoomLevel();
 397 }
 398
 399 void DolphinView::setSortRole(const QByteArray& role)
 400 {
 401     if (role != sortRole()) {
 402         updateSortRole(role);
 403     }
 404 }
 405
 406 QByteArray DolphinView::sortRole() const
 407 {
 408     const KItemModelBase* model = m_container->controller()->model();
 409     return model->sortRole();
 410 }
 411
 412 void DolphinView::setSortOrder(Qt::SortOrder order)
 413 {
 414     if (sortOrder() != order) {
 415         updateSortOrder(order);
 416     }
 417 }
 418
 419 Qt::SortOrder DolphinView::sortOrder() const
 420 {
 421     return m_model->sortOrder();
 422 }
 423
 424 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 425 {
 426     if (sortFoldersFirst() != foldersFirst) {
 427         updateSortFoldersFirst(foldersFirst);
 428     }
 429 }
 430
 431 bool DolphinView::sortFoldersFirst() const
 432 {
 433     return m_model->sortDirectoriesFirst();
 434 }
 435
 436 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 437 {
 438     const QList<QByteArray> previousRoles = roles;
 439
 440     ViewProperties props(viewPropertiesUrl());
 441     props.setVisibleRoles(roles);
 442
 443     m_visibleRoles = roles;
 444     m_view->setVisibleRoles(roles);
 445
 446     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 447 }
 448
 449 QList<QByteArray> DolphinView::visibleRoles() const
 450 {
 451     return m_visibleRoles;
 452 }
 453
 454 void DolphinView::reload()
 455 {
 456     QByteArray viewState;
 457     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 458     saveState(saveStream);
 459
 460     setUrl(url());
 461     loadDirectory(url(), true);
 462
 463     QDataStream restoreStream(viewState);
 464     restoreState(restoreStream);
 465 }
 466
 467 void DolphinView::readSettings()
 468 {
 469     const int oldZoomLevel = m_view->zoomLevel();
 470
 471     GeneralSettings::self()->load();
 472     m_view->readSettings();
 473     applyViewProperties();
 474
 475     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 476     m_container->controller()->setAutoActivationDelay(delay);
 477
 478     const int newZoomLevel = m_view->zoomLevel();
 479     if (newZoomLevel != oldZoomLevel) {
 480         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 481     }
 482 }
 483
 484 void DolphinView::writeSettings()
 485 {
 486     GeneralSettings::self()->save();
 487     m_view->writeSettings();
 488 }
 489
 490 void DolphinView::setNameFilter(const QString& nameFilter)
 491 {
 492     m_model->setNameFilter(nameFilter);
 493 }
 494
 495 QString DolphinView::nameFilter() const
 496 {
 497     return m_model->nameFilter();
 498 }
 499
 500 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 501 {
 502     return m_model->setMimeTypeFilters(filters);
 503 }
 504
 505 QStringList DolphinView::mimeTypeFilters() const
 506 {
 507     return m_model->mimeTypeFilters();
 508 }
 509
 510 QString DolphinView::statusBarText() const
 511 {
 512     QString summary;
 513     QString foldersText;
 514     QString filesText;
 515
 516     int folderCount = 0;
 517     int fileCount = 0;
 518     KIO::filesize_t totalFileSize = 0;
 519
 520     if (m_container->controller()->selectionManager()->hasSelection()) {
 521         // Give a summary of the status of the selected files
 522         const KFileItemList list = selectedItems();
 523         foreach (const KFileItem& item, list) {
 524             if (item.isDir()) {
 525                 ++folderCount;
 526             } else {
 527                 ++fileCount;
 528                 totalFileSize += item.size();
 529             }
 530         }
 531
 532         if (folderCount + fileCount == 1) {
 533             // If only one item is selected, show info about it
 534             return list.first().getStatusBarInfo();
 535         } else {
 536             // At least 2 items are selected
 537             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 538             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 539         }
 540     } else {
 541         calculateItemCount(fileCount, folderCount, totalFileSize);
 542         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 543         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 544     }
 545
 546     if (fileCount > 0 && folderCount > 0) {
 547         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 548                         foldersText, filesText,
 549                         KFormat().formatByteSize(totalFileSize));
 550     } else if (fileCount > 0) {
 551         summary = i18nc("@info:status files (size)", "%1 (%2)",
 552                         filesText,
 553                         KFormat().formatByteSize(totalFileSize));
 554     } else if (folderCount > 0) {
 555         summary = foldersText;
 556     } else {
 557         summary = i18nc("@info:status", "0 Folders, 0 Files");
 558     }
 559
 560     return summary;
 561 }
 562
 563 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 564 {
 565     QList<QAction*> actions;
 566
 567     if (items.isEmpty()) {
 568         const KFileItem item = m_model->rootItem();
 569         if (!item.isNull()) {
 570             actions = m_versionControlObserver->actions(KFileItemList() << item);
 571         }
 572     } else {
 573         actions = m_versionControlObserver->actions(items);
 574     }
 575
 576     return actions;
 577 }
 578
 579 void DolphinView::setUrl(const QUrl& url)
 580 {
 581     if (url == m_url) {
 582         return;
 583     }
 584
 585     clearSelection();
 586
 587     m_url = url;
 588
 589     hideToolTip();
 590
 591     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 592                this, &DolphinView::slotRoleEditingFinished);
 593
 594     // It is important to clear the items from the model before
 595     // applying the view properties, otherwise expensive operations
 596     // might be done on the existing items although they get cleared
 597     // anyhow afterwards by loadDirectory().
 598     m_model->clear();
 599     applyViewProperties();
 600     loadDirectory(url);
 601
 602     emit urlChanged(url);
 603 }
 604
 605 void DolphinView::selectAll()
 606 {
 607     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 608     selectionManager->setSelected(0, m_model->count());
 609 }
 610
 611 void DolphinView::invertSelection()
 612 {
 613     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 614     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 615 }
 616
 617 void DolphinView::clearSelection()
 618 {
 619     m_selectedUrls.clear();
 620     m_container->controller()->selectionManager()->clearSelection();
 621 }
 622
 623 void DolphinView::renameSelectedItems()
 624 {
 625     const KFileItemList items = selectedItems();
 626     if (items.isEmpty()) {
 627         return;
 628     }
 629
 630     if (items.count() == 1 && GeneralSettings::renameInline()) {
 631         const int index = m_model->index(items.first());
 632         m_view->editRole(index, "text");
 633
 634         hideToolTip();
 635
 636         connect(m_view, &DolphinItemListView::roleEditingFinished,
 637                 this, &DolphinView::slotRoleEditingFinished);
 638     } else {
 639         RenameDialog* dialog = new RenameDialog(this, items);
 640         connect(dialog, &RenameDialog::renamingFinished, this, &DolphinView::slotRenameDialogRenamingFinished);
 641
 642         dialog->show();
 643         dialog->raise();
 644         dialog->activateWindow();
 645     }
 646
 647     // Assure that the current index remains visible when KFileItemModel
 648     // will notify the view about changed items (which might result in
 649     // a changed sorting).
 650     m_assureVisibleCurrentIndex = true;
 651 }
 652
 653 void DolphinView::trashSelectedItems()
 654 {
 655     const QList<QUrl> list = simplifiedSelectedUrls();
 656     KIO::JobUiDelegate uiDelegate;
 657     uiDelegate.setWindow(window());
 658     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 659         KIO::Job* job = KIO::trash(list);
 660         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, QUrl(QStringLiteral("trash:/")), job);
 661         KJobWidgets::setWindow(job, this);
 662         connect(job, &KIO::Job::result,
 663                 this, &DolphinView::slotTrashFileFinished);
 664     }
 665 }
 666
 667 void DolphinView::deleteSelectedItems()
 668 {
 669     const QList<QUrl> list = simplifiedSelectedUrls();
 670
 671     KIO::JobUiDelegate uiDelegate;
 672     uiDelegate.setWindow(window());
 673     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 674         KIO::Job* job = KIO::del(list);
 675         KJobWidgets::setWindow(job, this);
 676         connect(job, &KIO::Job::result,
 677                 this, &DolphinView::slotDeleteFileFinished);
 678     }
 679 }
 680
 681 void DolphinView::cutSelectedItems()
 682 {
 683     QMimeData* mimeData = selectionMimeData();
 684     KIO::setClipboardDataCut(mimeData, true);
 685     QApplication::clipboard()->setMimeData(mimeData);
 686 }
 687
 688 void DolphinView::copySelectedItems()
 689 {
 690     QMimeData* mimeData = selectionMimeData();
 691     QApplication::clipboard()->setMimeData(mimeData);
 692 }
 693
 694 void DolphinView::paste()
 695 {
 696     pasteToUrl(url());
 697 }
 698
 699 void DolphinView::pasteIntoFolder()
 700 {
 701     const KFileItemList items = selectedItems();
 702     if ((items.count() == 1) && items.first().isDir()) {
 703         pasteToUrl(items.first().url());
 704     }
 705 }
 706
 707 void DolphinView::stopLoading()
 708 {
 709     m_model->cancelDirectoryLoading();
 710 }
 711
 712 void DolphinView::updatePalette()
 713 {
 714     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 715     if (!m_active) {
 716         color.setAlpha(150);
 717     }
 718
 719     QWidget* viewport = m_container->viewport();
 720     if (viewport) {
 721         QPalette palette;
 722         palette.setColor(viewport->backgroundRole(), color);
 723         viewport->setPalette(palette);
 724     }
 725
 726     update();
 727 }
 728
 729 void DolphinView::abortTwoClicksRenaming()
 730 {
 731     m_twoClicksRenamingItemUrl.clear();
 732     m_twoClicksRenamingTimer->stop();
 733 }
 734
 735 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 736 {
 737     switch (event->type()) {
 738     case QEvent::PaletteChange:
 739         updatePalette();
 740         QPixmapCache::clear();
 741         break;
 742
 743     case QEvent::WindowActivate:
 744     case QEvent::WindowDeactivate:
 745         updatePalette();
 746         break;
 747
 748     case QEvent::KeyPress:
 749         if (GeneralSettings::useTabForSwitchingSplitView()) {
 750             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 751             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 752                 emit toggleActiveViewRequested();
 753                 return true;
 754             }
 755         }
 756         break;
 757     case QEvent::FocusIn:
 758         if (watched == m_container) {
 759             setActive(true);
 760         }
 761         break;
 762
 763     case QEvent::GraphicsSceneDragEnter:
 764         if (watched == m_view) {
 765             m_dragging = true;
 766             abortTwoClicksRenaming();
 767         }
 768         break;
 769
 770     case QEvent::GraphicsSceneDragLeave:
 771         if (watched == m_view) {
 772             m_dragging = false;
 773         }
 774         break;
 775
 776     case QEvent::GraphicsSceneDrop:
 777         if (watched == m_view) {
 778             m_dragging = false;
 779         }
 780     default:
 781         break;
 782     }
 783
 784     return QWidget::eventFilter(watched, event);
 785 }
 786
 787 void DolphinView::wheelEvent(QWheelEvent* event)
 788 {
 789     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 790         const int numDegrees = event->delta() / 8;
 791         const int numSteps = numDegrees / 15;
 792
 793         setZoomLevel(zoomLevel() + numSteps);
 794         event->accept();
 795     } else {
 796         event->ignore();
 797     }
 798 }
 799
 800 void DolphinView::hideEvent(QHideEvent* event)
 801 {
 802     hideToolTip();
 803     QWidget::hideEvent(event);
 804 }
 805
 806 bool DolphinView::event(QEvent* event)
 807 {
 808     if (event->type() == QEvent::WindowDeactivate) {
 809         /* See Bug 297355
 810          * Dolphin leaves file preview tooltips open even when is not visible.
 811          *
 812          * Hide tool-tip when Dolphin loses focus.
 813          */
 814         hideToolTip();
 815         abortTwoClicksRenaming();
 816     }
 817
 818     return QWidget::event(event);
 819 }
 820
 821 void DolphinView::activate()
 822 {
 823     setActive(true);
 824 }
 825
 826 void DolphinView::slotItemActivated(int index)
 827 {
 828     abortTwoClicksRenaming();
 829
 830     const KFileItem item = m_model->fileItem(index);
 831     if (!item.isNull()) {
 832         emit itemActivated(item);
 833     }
 834 }
 835
 836 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 837 {
 838     Q_ASSERT(indexes.count() >= 2);
 839
 840     abortTwoClicksRenaming();
 841
 842     if (indexes.count() > 5) {
 843         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 844         const int answer = KMessageBox::warningYesNo(this, question);
 845         if (answer != KMessageBox::Yes) {
 846             return;
 847         }
 848     }
 849
 850     KFileItemList items;
 851     items.reserve(indexes.count());
 852
 853     for (int index : indexes) {
 854         KFileItem item = m_model->fileItem(index);
 855         const QUrl& url = openItemAsFolderUrl(item);
 856
 857         if (!url.isEmpty()) { // Open folders in new tabs
 858             emit tabRequested(url);
 859         } else {
 860             items.append(item);
 861         }
 862     }
 863
 864     if (items.count() == 1) {
 865         emit itemActivated(items.first());
 866     } else if (items.count() > 1) {
 867         emit itemsActivated(items);
 868     }
 869 }
 870
 871 void DolphinView::slotItemMiddleClicked(int index)
 872 {
 873     const KFileItem& item = m_model->fileItem(index);
 874     const QUrl& url = openItemAsFolderUrl(item);
 875     if (!url.isEmpty()) {
 876         emit tabRequested(url);
 877     } else if (isTabsForFilesEnabled()) {
 878         emit tabRequested(item.url());
 879     }
 880 }
 881
 882 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 883 {
 884     // Force emit of a selection changed signal before we request the
 885     // context menu, to update the edit-actions first. (See Bug 294013)
 886     if (m_selectionChangedTimer->isActive()) {
 887         emitSelectionChangedSignal();
 888     }
 889
 890     const KFileItem item = m_model->fileItem(index);
 891     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 892 }
 893
 894 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 895 {
 896     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 897 }
 898
 899 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 900 {
 901     ViewProperties props(viewPropertiesUrl());
 902
 903     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
 904
 905     KItemListView* view = m_container->controller()->view();
 906     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 907
 908     bool indexingEnabled = false;
 909 #ifdef HAVE_BALOO
 910     Baloo::IndexerConfig config;
 911     indexingEnabled = config.fileIndexingEnabled();
 912 #endif
 913
 914     QString groupName;
 915     QMenu* groupMenu = nullptr;
 916
 917     // Add all roles to the menu that can be shown or hidden by the user
 918     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 919     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 920         if (info.role == "text") {
 921             // It should not be possible to hide the "text" role
 922             continue;
 923         }
 924
 925         const QString text = m_model->roleDescription(info.role);
 926         QAction* action = nullptr;
 927         if (info.group.isEmpty()) {
 928             action = menu->addAction(text);
 929         } else {
 930             if (!groupMenu || info.group != groupName) {
 931                 groupName = info.group;
 932                 groupMenu = menu->addMenu(groupName);
 933             }
 934
 935             action = groupMenu->addAction(text);
 936         }
 937
 938         action->setCheckable(true);
 939         action->setChecked(visibleRolesSet.contains(info.role));
 940         action->setData(info.role);
 941
 942         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 943                             (info.requiresBaloo) ||
 944                             (info.requiresIndexer && indexingEnabled);
 945         action->setEnabled(enable);
 946     }
 947
 948     menu->addSeparator();
 949
 950     QActionGroup* widthsGroup = new QActionGroup(menu);
 951     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 952
 953     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 954     autoAdjustWidthsAction->setCheckable(true);
 955     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 956     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 957
 958     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 959     customWidthsAction->setCheckable(true);
 960     customWidthsAction->setChecked(!autoColumnWidths);
 961     customWidthsAction->setActionGroup(widthsGroup);
 962
 963     QAction* action = menu->exec(pos.toPoint());
 964     if (menu && action) {
 965         KItemListHeader* header = view->header();
 966
 967         if (action == autoAdjustWidthsAction) {
 968             // Clear the column-widths from the viewproperties and turn on
 969             // the automatic resizing of the columns
 970             props.setHeaderColumnWidths(QList<int>());
 971             header->setAutomaticColumnResizing(true);
 972         } else if (action == customWidthsAction) {
 973             // Apply the current column-widths as custom column-widths and turn
 974             // off the automatic resizing of the columns
 975             QList<int> columnWidths;
 976             columnWidths.reserve(view->visibleRoles().count());
 977             foreach (const QByteArray& role, view->visibleRoles()) {
 978                 columnWidths.append(header->columnWidth(role));
 979             }
 980             props.setHeaderColumnWidths(columnWidths);
 981             header->setAutomaticColumnResizing(false);
 982         } else {
 983             // Show or hide the selected role
 984             const QByteArray selectedRole = action->data().toByteArray();
 985
 986             QList<QByteArray> visibleRoles = view->visibleRoles();
 987             if (action->isChecked()) {
 988                 visibleRoles.append(selectedRole);
 989             } else {
 990                 visibleRoles.removeOne(selectedRole);
 991             }
 992
 993             view->setVisibleRoles(visibleRoles);
 994             props.setVisibleRoles(visibleRoles);
 995
 996             QList<int> columnWidths;
 997             if (!header->automaticColumnResizing()) {
 998                 columnWidths.reserve(view->visibleRoles().count());
 999                 foreach (const QByteArray& role, view->visibleRoles()) {
1000                     columnWidths.append(header->columnWidth(role));
1001                 }
1002             }
1003             props.setHeaderColumnWidths(columnWidths);
1004         }
1005     }
1006
1007     delete menu;
1008 }
1009
1010 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current)
1011 {
1012     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1013
1014     ViewProperties props(viewPropertiesUrl());
1015     QList<int> columnWidths = props.headerColumnWidths();
1016     if (columnWidths.count() != visibleRoles.count()) {
1017         columnWidths.clear();
1018         columnWidths.reserve(visibleRoles.count());
1019         const KItemListHeader* header = m_view->header();
1020         foreach (const QByteArray& role, visibleRoles) {
1021             const int width = header->columnWidth(role);
1022             columnWidths.append(width);
1023         }
1024     }
1025
1026     const int roleIndex = visibleRoles.indexOf(role);
1027     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1028     columnWidths[roleIndex] = current;
1029
1030     props.setHeaderColumnWidths(columnWidths);
1031 }
1032
1033 void DolphinView::slotItemHovered(int index)
1034 {
1035     const KFileItem item = m_model->fileItem(index);
1036
1037     if (GeneralSettings::showToolTips() && !m_dragging) {
1038         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1039         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1040         itemRect.moveTo(pos);
1041
1042 #ifdef HAVE_BALOO
1043         m_toolTipManager->showToolTip(item, itemRect, nativeParentWidget()->windowHandle());
1044 #endif
1045     }
1046
1047     emit requestItemInfo(item);
1048 }
1049
1050 void DolphinView::slotItemUnhovered(int index)
1051 {
1052     Q_UNUSED(index);
1053     hideToolTip();
1054     emit requestItemInfo(KFileItem());
1055 }
1056
1057 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1058 {
1059     QUrl destUrl;
1060     KFileItem destItem = m_model->fileItem(index);
1061     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1062         // Use the URL of the view as drop target if the item is no directory
1063         // or desktop-file
1064         destItem = m_model->rootItem();
1065         destUrl = url();
1066     } else {
1067         // The item represents a directory or desktop-file
1068         destUrl = destItem.mostLocalUrl();
1069     }
1070
1071     QDropEvent dropEvent(event->pos().toPoint(),
1072                          event->possibleActions(),
1073                          event->mimeData(),
1074                          event->buttons(),
1075                          event->modifiers());
1076     dropUrls(destUrl, &dropEvent, this);
1077
1078     setActive(true);
1079 }
1080
1081 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1082 {
1083     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1084
1085     if (job) {
1086         connect(job, &KIO::DropJob::result, this, &DolphinView::slotPasteJobResult);
1087
1088         if (destUrl == url()) {
1089             // Mark the dropped urls as selected.
1090             m_clearSelectionBeforeSelectingNewItems = true;
1091             m_markFirstNewlySelectedItemAsCurrent = true;
1092             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1093         }
1094     }
1095 }
1096
1097 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1098 {
1099     if (previous != nullptr) {
1100         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1101         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1102         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1103         m_versionControlObserver->setModel(nullptr);
1104     }
1105
1106     if (current) {
1107         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1108         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1109         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1110         m_versionControlObserver->setModel(fileItemModel);
1111     }
1112 }
1113
1114 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1115 {
1116     Q_UNUSED(itemIndex);
1117
1118     hideToolTip();
1119
1120     if (buttons & Qt::BackButton) {
1121         emit goBackRequested();
1122     } else if (buttons & Qt::ForwardButton) {
1123         emit goForwardRequested();
1124     }
1125 }
1126
1127 void DolphinView::slotSelectedItemTextPressed(int index)
1128 {
1129     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1130         const KFileItem item = m_model->fileItem(index);
1131         const KFileItemListProperties capabilities(KFileItemList() << item);
1132         if (capabilities.supportsMoving()) {
1133             m_twoClicksRenamingItemUrl = item.url();
1134             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1135         }
1136     }
1137 }
1138
1139 void DolphinView::slotItemCreated(const QUrl& url)
1140 {
1141     if (m_markFirstNewlySelectedItemAsCurrent) {
1142         markUrlAsCurrent(url);
1143         m_markFirstNewlySelectedItemAsCurrent = false;
1144     }
1145     m_selectedUrls << url;
1146 }
1147
1148 void DolphinView::slotPasteJobResult(KJob *job)
1149 {
1150     if (job->error()) {
1151         emit errorMessage(job->errorString());
1152     }
1153     if (!m_selectedUrls.isEmpty()) {
1154         m_selectedUrls << KDirModel::simplifiedUrlList(m_selectedUrls);
1155     }
1156 }
1157
1158 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1159 {
1160     const int currentCount = current.count();
1161     const int previousCount = previous.count();
1162     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1163                                        (currentCount >  0 && previousCount == 0);
1164
1165     // If nothing has been selected before and something got selected (or if something
1166     // was selected before and now nothing is selected) the selectionChangedSignal must
1167     // be emitted asynchronously as fast as possible to update the edit-actions.
1168     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1169     m_selectionChangedTimer->start();
1170 }
1171
1172 void DolphinView::emitSelectionChangedSignal()
1173 {
1174     m_selectionChangedTimer->stop();
1175     emit selectionChanged(selectedItems());
1176 }
1177
1178 void DolphinView::updateSortRole(const QByteArray& role)
1179 {
1180     ViewProperties props(viewPropertiesUrl());
1181     props.setSortRole(role);
1182
1183     KItemModelBase* model = m_container->controller()->model();
1184     model->setSortRole(role);
1185
1186     emit sortRoleChanged(role);
1187 }
1188
1189 void DolphinView::updateSortOrder(Qt::SortOrder order)
1190 {
1191     ViewProperties props(viewPropertiesUrl());
1192     props.setSortOrder(order);
1193
1194     m_model->setSortOrder(order);
1195
1196     emit sortOrderChanged(order);
1197 }
1198
1199 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1200 {
1201     ViewProperties props(viewPropertiesUrl());
1202     props.setSortFoldersFirst(foldersFirst);
1203
1204     m_model->setSortDirectoriesFirst(foldersFirst);
1205
1206     emit sortFoldersFirstChanged(foldersFirst);
1207 }
1208
1209 QPair<bool, QString> DolphinView::pasteInfo() const
1210 {
1211     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1212     QPair<bool, QString> info;
1213     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1214     return info;
1215 }
1216
1217 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1218 {
1219     m_tabsForFiles = tabsForFiles;
1220 }
1221
1222 bool DolphinView::isTabsForFilesEnabled() const
1223 {
1224     return m_tabsForFiles;
1225 }
1226
1227 bool DolphinView::itemsExpandable() const
1228 {
1229     return m_mode == DetailsView;
1230 }
1231
1232 void DolphinView::restoreState(QDataStream& stream)
1233 {
1234     // Read the version number of the view state and check if the version is supported.
1235     quint32 version = 0;
1236     stream >> version;
1237     if (version != 1) {
1238         // The version of the view state isn't supported, we can't restore it.
1239         return;
1240     }
1241
1242     // Restore the current item that had the keyboard focus
1243     stream >> m_currentItemUrl;
1244
1245     // Restore the previously selected items
1246     stream >> m_selectedUrls;
1247
1248     // Restore the view position
1249     stream >> m_restoredContentsPosition;
1250
1251     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1252     QSet<QUrl> urls;
1253     stream >> urls;
1254     m_model->restoreExpandedDirectories(urls);
1255 }
1256
1257 void DolphinView::saveState(QDataStream& stream)
1258 {
1259     stream << quint32(1); // View state version
1260
1261     // Save the current item that has the keyboard focus
1262     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1263     if (currentIndex != -1) {
1264         KFileItem item = m_model->fileItem(currentIndex);
1265         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1266         QUrl currentItemUrl = item.url();
1267         stream << currentItemUrl;
1268     } else {
1269         stream << QUrl();
1270     }
1271
1272     // Save the selected urls
1273     stream << selectedItems().urlList();
1274
1275     // Save view position
1276     const qreal x = m_container->horizontalScrollBar()->value();
1277     const qreal y = m_container->verticalScrollBar()->value();
1278     stream << QPoint(x, y);
1279
1280     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1281     stream << m_model->expandedDirectories();
1282 }
1283
1284 KFileItem DolphinView::rootItem() const
1285 {
1286     return m_model->rootItem();
1287 }
1288
1289 void DolphinView::setViewPropertiesContext(const QString& context)
1290 {
1291     m_viewPropertiesContext = context;
1292 }
1293
1294 QString DolphinView::viewPropertiesContext() const
1295 {
1296     return m_viewPropertiesContext;
1297 }
1298
1299 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1300 {
1301     if (item.isNull()) {
1302         return QUrl();
1303     }
1304
1305     QUrl url = item.targetUrl();
1306
1307     if (item.isDir()) {
1308         return url;
1309     }
1310
1311     if (item.isMimeTypeKnown()) {
1312         const QString& mimetype = item.mimetype();
1313
1314         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1315             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1316             // zip:/<path>/ when clicking on a zip file, etc.
1317             // The .protocol file specifies the mimetype that the kioslave handles.
1318             // Note that we don't use mimetype inheritance since we don't want to
1319             // open OpenDocument files as zip folders...
1320             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1321             if (!protocol.isEmpty()) {
1322                 url.setScheme(protocol);
1323                 return url;
1324             }
1325         }
1326
1327         if (mimetype == QLatin1String("application/x-desktop")) {
1328             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1329             KDesktopFile desktopFile(url.toLocalFile());
1330             if (desktopFile.hasLinkType()) {
1331                 const QString linkUrl = desktopFile.readUrl();
1332                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1333                     return QUrl::fromUserInput(linkUrl);
1334                 }
1335             }
1336         }
1337     }
1338
1339     return QUrl();
1340 }
1341
1342 void DolphinView::observeCreatedItem(const QUrl& url)
1343 {
1344     if (m_active) {
1345         forceUrlsSelection(url, {url});
1346     }
1347 }
1348
1349 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1350 {
1351     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1352         emit redirection(oldUrl, newUrl);
1353         m_url = newUrl; // #186947
1354     }
1355 }
1356
1357 void DolphinView::updateViewState()
1358 {
1359     if (m_currentItemUrl != QUrl()) {
1360         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1361
1362         // if there is a selection already, leave it that way
1363         if (!selectionManager->hasSelection()) {
1364             const int currentIndex = m_model->index(m_currentItemUrl);
1365             if (currentIndex != -1) {
1366                 selectionManager->setCurrentItem(currentIndex);
1367
1368                 // scroll to current item and reset the state
1369                 if (m_scrollToCurrentItem) {
1370                     m_view->scrollToItem(currentIndex);
1371                     m_scrollToCurrentItem = false;
1372                 }
1373             } else {
1374                 selectionManager->setCurrentItem(0);
1375             }
1376         }
1377
1378         m_currentItemUrl = QUrl();
1379     }
1380
1381     if (!m_restoredContentsPosition.isNull()) {
1382         const int x = m_restoredContentsPosition.x();
1383         const int y = m_restoredContentsPosition.y();
1384         m_restoredContentsPosition = QPoint();
1385
1386         m_container->horizontalScrollBar()->setValue(x);
1387         m_container->verticalScrollBar()->setValue(y);
1388     }
1389
1390     if (!m_selectedUrls.isEmpty()) {
1391         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1392
1393         // if there is a selection already, leave it that way
1394         if (!selectionManager->hasSelection()) {
1395             if (m_clearSelectionBeforeSelectingNewItems) {
1396                 selectionManager->clearSelection();
1397                 m_clearSelectionBeforeSelectingNewItems = false;
1398             }
1399
1400             KItemSet selectedItems = selectionManager->selectedItems();
1401
1402             QList<QUrl>::iterator it = m_selectedUrls.begin();
1403             while (it != m_selectedUrls.end()) {
1404                 const int index = m_model->index(*it);
1405                 if (index >= 0) {
1406                     selectedItems.insert(index);
1407                     it = m_selectedUrls.erase(it);
1408                 } else {
1409                     ++it;
1410                 }
1411             }
1412
1413             selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1414             selectionManager->setSelectedItems(selectedItems);
1415         }
1416     }
1417 }
1418
1419 void DolphinView::hideToolTip()
1420 {
1421 #ifdef HAVE_BALOO
1422     if (GeneralSettings::showToolTips()) {
1423         m_toolTipManager->hideToolTip();
1424     }
1425 #endif
1426 }
1427
1428 void DolphinView::calculateItemCount(int& fileCount,
1429                                      int& folderCount,
1430                                      KIO::filesize_t& totalFileSize) const
1431 {
1432     const int itemCount = m_model->count();
1433     for (int i = 0; i < itemCount; ++i) {
1434         const KFileItem item = m_model->fileItem(i);
1435         if (item.isDir()) {
1436             ++folderCount;
1437         } else {
1438             ++fileCount;
1439             totalFileSize += item.size();
1440         }
1441     }
1442 }
1443
1444 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1445 {
1446     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1447
1448     // verify that only one item is selected
1449     if (selectionManager->selectedItems().count() == 1) {
1450         const int index = selectionManager->currentItem();
1451         const QUrl fileItemUrl = m_model->fileItem(index).url();
1452
1453         // check if the selected item was the same item that started the twoClicksRenaming
1454         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1455             renameSelectedItems();
1456         }
1457     }
1458 }
1459
1460 void DolphinView::slotTrashFileFinished(KJob* job)
1461 {
1462     if (job->error() == 0) {
1463         emit operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1464     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1465         emit errorMessage(job->errorString());
1466     }
1467 }
1468
1469 void DolphinView::slotDeleteFileFinished(KJob* job)
1470 {
1471     if (job->error() == 0) {
1472         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1473     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1474         emit errorMessage(job->errorString());
1475     }
1476 }
1477
1478 void DolphinView::slotRenamingResult(KJob* job)
1479 {
1480     if (job->error()) {
1481         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1482         Q_ASSERT(copyJob);
1483         const QUrl newUrl = copyJob->destUrl();
1484         const int index = m_model->index(newUrl);
1485         if (index >= 0) {
1486             QHash<QByteArray, QVariant> data;
1487             const QUrl oldUrl = copyJob->srcUrls().at(0);
1488             data.insert("text", oldUrl.fileName());
1489             m_model->setData(index, data);
1490         }
1491     }
1492 }
1493
1494 void DolphinView::slotDirectoryLoadingStarted()
1495 {
1496     // Disable the writestate temporary until it can be determined in a fast way
1497     // in DolphinView::slotDirectoryLoadingCompleted()
1498     if (m_isFolderWritable) {
1499         m_isFolderWritable = false;
1500         emit writeStateChanged(m_isFolderWritable);
1501     }
1502
1503     emit directoryLoadingStarted();
1504 }
1505
1506 void DolphinView::slotDirectoryLoadingCompleted()
1507 {
1508     // Update the view-state. This has to be done asynchronously
1509     // because the view might not be in its final state yet.
1510     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1511
1512     emit directoryLoadingCompleted();
1513
1514     updateWritableState();
1515 }
1516
1517 void DolphinView::slotItemsChanged()
1518 {
1519     m_assureVisibleCurrentIndex = false;
1520 }
1521
1522 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1523 {
1524     Q_UNUSED(previous);
1525     Q_ASSERT(m_model->sortOrder() == current);
1526
1527     ViewProperties props(viewPropertiesUrl());
1528     props.setSortOrder(current);
1529
1530     emit sortOrderChanged(current);
1531 }
1532
1533 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1534 {
1535     Q_UNUSED(previous);
1536     Q_ASSERT(m_model->sortRole() == current);
1537
1538     ViewProperties props(viewPropertiesUrl());
1539     props.setSortRole(current);
1540
1541     emit sortRoleChanged(current);
1542 }
1543
1544 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1545                                                   const QList<QByteArray>& previous)
1546 {
1547     Q_UNUSED(previous);
1548     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1549
1550     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1551
1552     m_visibleRoles = current;
1553
1554     ViewProperties props(viewPropertiesUrl());
1555     props.setVisibleRoles(m_visibleRoles);
1556
1557     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1558 }
1559
1560 void DolphinView::slotRoleEditingCanceled()
1561 {
1562     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1563                this, &DolphinView::slotRoleEditingFinished);
1564 }
1565
1566 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1567 {
1568     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1569                this, &DolphinView::slotRoleEditingFinished);
1570
1571     if (index < 0 || index >= m_model->count()) {
1572         return;
1573     }
1574
1575     if (role == "text") {
1576         const KFileItem oldItem = m_model->fileItem(index);
1577         const QString newName = value.toString();
1578         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1579             const QUrl oldUrl = oldItem.url();
1580
1581             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1582             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1583
1584 #ifndef Q_OS_WIN
1585             //Confirm hiding file/directory by renaming inline
1586             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1587                 KGuiItem yesGuiItem(KStandardGuiItem::yes());
1588                 yesGuiItem.setText(i18nc("@action:button", "Rename and Hide"));
1589
1590                 const auto code = KMessageBox::questionYesNo(this,
1591                                                              oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1592                                                                                      "Do you still want to rename it?")
1593                                                                               : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1594                                                                                      "Do you still want to rename it?"),
1595                                                              oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
1596                                                              yesGuiItem,
1597                                                              KStandardGuiItem::cancel(),
1598                                                              QStringLiteral("ConfirmHide")
1599                                                             );
1600
1601                 if (code == KMessageBox::No) {
1602                    return;
1603                 }
1604             }
1605 #endif
1606
1607             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1608             if (!newNameExistsAlready) {
1609                 // Only change the data in the model if no item with the new name
1610                 // is in the model yet. If there is an item with the new name
1611                 // already, calling KIO::CopyJob will open a dialog
1612                 // asking for a new name, and KFileItemModel will update the
1613                 // data when the dir lister signals that the file name has changed.
1614                 QHash<QByteArray, QVariant> data;
1615                 data.insert(role, value);
1616                 m_model->setData(index, data);
1617             }
1618
1619             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1620             KJobWidgets::setWindow(job, this);
1621             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1622             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
1623
1624             forceUrlsSelection(newUrl, {newUrl});
1625
1626             if (!newNameExistsAlready) {
1627                 // Only connect the result signal if there is no item with the new name
1628                 // in the model yet, see bug 328262.
1629                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1630             }
1631         }
1632     }
1633 }
1634
1635 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1636 {
1637     if (!url.isValid()) {
1638         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1639         if (location.isEmpty()) {
1640             emit errorMessage(i18nc("@info:status", "The location is empty."));
1641         } else {
1642             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1643         }
1644         return;
1645     }
1646
1647     if (reload) {
1648         m_model->refreshDirectory(url);
1649     } else {
1650         m_model->loadDirectory(url);
1651     }
1652 }
1653
1654 void DolphinView::applyViewProperties()
1655 {
1656     const ViewProperties props(viewPropertiesUrl());
1657     applyViewProperties(props);
1658 }
1659
1660 void DolphinView::applyViewProperties(const ViewProperties& props)
1661 {
1662     m_view->beginTransaction();
1663
1664     const Mode mode = props.viewMode();
1665     if (m_mode != mode) {
1666         const Mode previousMode = m_mode;
1667         m_mode = mode;
1668
1669         // Changing the mode might result in changing
1670         // the zoom level. Remember the old zoom level so
1671         // that zoomLevelChanged() can get emitted.
1672         const int oldZoomLevel = m_view->zoomLevel();
1673         applyModeToView();
1674
1675         emit modeChanged(m_mode, previousMode);
1676
1677         if (m_view->zoomLevel() != oldZoomLevel) {
1678             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1679         }
1680     }
1681
1682     const bool hiddenFilesShown = props.hiddenFilesShown();
1683     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1684         m_model->setShowHiddenFiles(hiddenFilesShown);
1685         emit hiddenFilesShownChanged(hiddenFilesShown);
1686     }
1687
1688     const bool groupedSorting = props.groupedSorting();
1689     if (groupedSorting != m_model->groupedSorting()) {
1690         m_model->setGroupedSorting(groupedSorting);
1691         emit groupedSortingChanged(groupedSorting);
1692     }
1693
1694     const QByteArray sortRole = props.sortRole();
1695     if (sortRole != m_model->sortRole()) {
1696         m_model->setSortRole(sortRole);
1697         emit sortRoleChanged(sortRole);
1698     }
1699
1700     const Qt::SortOrder sortOrder = props.sortOrder();
1701     if (sortOrder != m_model->sortOrder()) {
1702         m_model->setSortOrder(sortOrder);
1703         emit sortOrderChanged(sortOrder);
1704     }
1705
1706     const bool sortFoldersFirst = props.sortFoldersFirst();
1707     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1708         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1709         emit sortFoldersFirstChanged(sortFoldersFirst);
1710     }
1711
1712     const QList<QByteArray> visibleRoles = props.visibleRoles();
1713     if (visibleRoles != m_visibleRoles) {
1714         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1715         m_visibleRoles = visibleRoles;
1716         m_view->setVisibleRoles(visibleRoles);
1717         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1718     }
1719
1720     const bool previewsShown = props.previewsShown();
1721     if (previewsShown != m_view->previewsShown()) {
1722         const int oldZoomLevel = zoomLevel();
1723
1724         m_view->setPreviewsShown(previewsShown);
1725         emit previewsShownChanged(previewsShown);
1726
1727         // Changing the preview-state might result in a changed zoom-level
1728         if (oldZoomLevel != zoomLevel()) {
1729             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1730         }
1731     }
1732
1733     KItemListView* itemListView = m_container->controller()->view();
1734     if (itemListView->isHeaderVisible()) {
1735         KItemListHeader* header = itemListView->header();
1736         const QList<int> headerColumnWidths = props.headerColumnWidths();
1737         const int rolesCount = m_visibleRoles.count();
1738         if (headerColumnWidths.count() == rolesCount) {
1739             header->setAutomaticColumnResizing(false);
1740
1741             QHash<QByteArray, qreal> columnWidths;
1742             for (int i = 0; i < rolesCount; ++i) {
1743                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1744             }
1745             header->setColumnWidths(columnWidths);
1746         } else {
1747             header->setAutomaticColumnResizing(true);
1748         }
1749     }
1750
1751     m_view->endTransaction();
1752 }
1753
1754 void DolphinView::applyModeToView()
1755 {
1756     switch (m_mode) {
1757     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1758     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1759     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1760     default: Q_ASSERT(false); break;
1761     }
1762 }
1763
1764 void DolphinView::pasteToUrl(const QUrl& url)
1765 {
1766     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1767     KJobWidgets::setWindow(job, this);
1768     m_clearSelectionBeforeSelectingNewItems = true;
1769     m_markFirstNewlySelectedItemAsCurrent = true;
1770     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1771     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotPasteJobResult);
1772 }
1773
1774 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1775 {
1776     QList<QUrl> urls;
1777
1778     const KFileItemList items = selectedItems();
1779     urls.reserve(items.count());
1780     foreach (const KFileItem& item, items) {
1781         urls.append(item.url());
1782     }
1783
1784     if (itemsExpandable()) {
1785         // TODO: Check if we still need KDirModel for this in KDE 5.0
1786         urls = KDirModel::simplifiedUrlList(urls);
1787     }
1788
1789     return urls;
1790 }
1791
1792 QMimeData* DolphinView::selectionMimeData() const
1793 {
1794     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1795     const KItemSet selectedIndexes = selectionManager->selectedItems();
1796
1797     return m_model->createMimeData(selectedIndexes);
1798 }
1799
1800 void DolphinView::updateWritableState()
1801 {
1802     const bool wasFolderWritable = m_isFolderWritable;
1803     m_isFolderWritable = false;
1804
1805     KFileItem item = m_model->rootItem();
1806     if (item.isNull()) {
1807         // Try to find out if the URL is writable even if the "root item" is
1808         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1809         item = KFileItem(url());
1810         item.setDelayedMimeTypes(true);
1811     }
1812
1813     KFileItemListProperties capabilities(KFileItemList() << item);
1814     m_isFolderWritable = capabilities.supportsWriting();
1815
1816     if (m_isFolderWritable != wasFolderWritable) {
1817         emit writeStateChanged(m_isFolderWritable);
1818     }
1819 }
1820
1821 QUrl DolphinView::viewPropertiesUrl() const
1822 {
1823     if (m_viewPropertiesContext.isEmpty()) {
1824         return m_url;
1825     }
1826
1827     QUrl url;
1828     url.setScheme(m_url.scheme());
1829     url.setPath(m_viewPropertiesContext);
1830     return url;
1831 }
1832
1833 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl>& urls)
1834 {
1835     forceUrlsSelection(urls.first(), urls);
1836 }
1837
1838 void DolphinView::forceUrlsSelection(const QUrl& current, const QList<QUrl>& selected)
1839 {
1840     clearSelection();
1841     m_clearSelectionBeforeSelectingNewItems = true;
1842     markUrlAsCurrent(current);
1843     markUrlsAsSelected(selected);
1844 }