src/views/dolphinview.cpp

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