src/views/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 by Peter Penz <peter.penz19@gmail.com>        *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include "dolphin_detailsmodesettings.h"
  24 #include "dolphin_generalsettings.h"
  25 #include "dolphinitemlistview.h"
  26 #include "dolphinnewfilemenuobserver.h"
  27 #include "draganddrophelper.h"
  28 #include "kitemviews/kfileitemlistview.h"
  29 #include "kitemviews/kfileitemmodel.h"
  30 #include "kitemviews/kitemlistcontainer.h"
  31 #include "kitemviews/kitemlistcontroller.h"
  32 #include "kitemviews/kitemlistheader.h"
  33 #include "kitemviews/kitemlistselectionmanager.h"
  34 #include "renamedialog.h"
  35 #include "versioncontrol/versioncontrolobserver.h"
  36 #include "viewproperties.h"
  37 #include "views/tooltips/tooltipmanager.h"
  38 #include "zoomlevelinfo.h"
  39
  40 #ifdef HAVE_BALOO
  41 #include <Baloo/IndexerConfig>
  42 #endif
  43 #include <KColorScheme>
  44 #include <KDesktopFile>
  45 #include <KDirModel>
  46 #include <KFileItemListProperties>
  47 #include <KFormat>
  48 #include <KIO/CopyJob>
  49 #include <KIO/DeleteJob>
  50 #include <KIO/DropJob>
  51 #include <KIO/JobUiDelegate>
  52 #include <KIO/Paste>
  53 #include <KIO/PasteJob>
  54 #include <KIO/PreviewJob>
  55 #include <KJobWidgets>
  56 #include <KLocalizedString>
  57 #include <KMessageBox>
  58 #include <KProtocolManager>
  59
  60 #include <QAbstractItemView>
  61 #include <QApplication>
  62 #include <QClipboard>
  63 #include <QDropEvent>
  64 #include <QGraphicsSceneDragDropEvent>
  65 #include <QMenu>
  66 #include <QPixmapCache>
  67 #include <QPointer>
  68 #include <QScrollBar>
  69 #include <QTimer>
  70 #include <QVBoxLayout>
  71
  72 DolphinView::DolphinView(const QUrl& url, QWidget* parent) :
  73     QWidget(parent),
  74     m_active(true),
  75     m_tabsForFiles(false),
  76     m_assureVisibleCurrentIndex(false),
  77     m_isFolderWritable(true),
  78     m_dragging(false),
  79     m_url(url),
  80     m_viewPropertiesContext(),
  81     m_mode(DolphinView::IconsView),
  82     m_visibleRoles(),
  83     m_topLayout(nullptr),
  84     m_model(nullptr),
  85     m_view(nullptr),
  86     m_container(nullptr),
  87     m_toolTipManager(nullptr),
  88     m_selectionChangedTimer(nullptr),
  89     m_currentItemUrl(),
  90     m_scrollToCurrentItem(false),
  91     m_restoredContentsPosition(),
  92     m_selectedUrls(),
  93     m_clearSelectionBeforeSelectingNewItems(false),
  94     m_markFirstNewlySelectedItemAsCurrent(false),
  95     m_versionControlObserver(nullptr),
  96     m_twoClicksRenamingTimer(nullptr)
  97 {
  98     m_topLayout = new QVBoxLayout(this);
  99     m_topLayout->setSpacing(0);
 100     m_topLayout->setMargin(0);
 101
 102     // When a new item has been created by the "Create New..." menu, the item should
 103     // get selected and it must be assured that the item will get visible. As the
 104     // creation is done asynchronously, several signals must be checked:
 105     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated,
 106             this, &DolphinView::observeCreatedItem);
 107
 108     m_selectionChangedTimer = new QTimer(this);
 109     m_selectionChangedTimer->setSingleShot(true);
 110     m_selectionChangedTimer->setInterval(300);
 111     connect(m_selectionChangedTimer, &QTimer::timeout,
 112             this, &DolphinView::emitSelectionChangedSignal);
 113
 114     m_model = new KFileItemModel(this);
 115     m_view = new DolphinItemListView();
 116     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 117     m_view->setVisibleRoles({"text"});
 118     applyModeToView();
 119
 120     KItemListController* controller = new KItemListController(m_model, m_view, this);
 121     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 122     controller->setAutoActivationDelay(delay);
 123
 124     // The EnlargeSmallPreviews setting can only be changed after the model
 125     // has been set in the view by KItemListController.
 126     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 127
 128     m_container = new KItemListContainer(controller, this);
 129     m_container->installEventFilter(this);
 130     setFocusProxy(m_container);
 131     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, &DolphinView::hideToolTip);
 132     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, &DolphinView::hideToolTip);
 133
 134     controller->setSelectionBehavior(KItemListController::MultiSelection);
 135     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 136     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 137     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 138     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 139     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 140     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 141     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 142     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 143     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 144     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 145     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 146     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 147     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 148
 149     connect(m_model, &KFileItemModel::directoryLoadingStarted,       this, &DolphinView::slotDirectoryLoadingStarted);
 150     connect(m_model, &KFileItemModel::directoryLoadingCompleted,     this, &DolphinView::slotDirectoryLoadingCompleted);
 151     connect(m_model, &KFileItemModel::directoryLoadingCanceled,      this, &DolphinView::directoryLoadingCanceled);
 152     connect(m_model, &KFileItemModel::directoryLoadingProgress,   this, &DolphinView::directoryLoadingProgress);
 153     connect(m_model, &KFileItemModel::directorySortingProgress,   this, &DolphinView::directorySortingProgress);
 154     connect(m_model, &KFileItemModel::itemsChanged,
 155             this, &DolphinView::slotItemsChanged);
 156     connect(m_model, &KFileItemModel::itemsRemoved,    this, &DolphinView::itemCountChanged);
 157     connect(m_model, &KFileItemModel::itemsInserted,   this, &DolphinView::itemCountChanged);
 158     connect(m_model, &KFileItemModel::infoMessage,            this, &DolphinView::infoMessage);
 159     connect(m_model, &KFileItemModel::errorMessage,           this, &DolphinView::errorMessage);
 160     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 161     connect(m_model, &KFileItemModel::urlIsFileError,            this, &DolphinView::urlIsFileError);
 162
 163     m_view->installEventFilter(this);
 164     connect(m_view, &DolphinItemListView::sortOrderChanged,
 165             this, &DolphinView::slotSortOrderChangedByHeader);
 166     connect(m_view, &DolphinItemListView::sortRoleChanged,
 167             this, &DolphinView::slotSortRoleChangedByHeader);
 168     connect(m_view, &DolphinItemListView::visibleRolesChanged,
 169             this, &DolphinView::slotVisibleRolesChangedByHeader);
 170     connect(m_view, &DolphinItemListView::roleEditingCanceled,
 171             this, &DolphinView::slotRoleEditingCanceled);
 172     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished,
 173             this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 174
 175     KItemListSelectionManager* selectionManager = controller->selectionManager();
 176     connect(selectionManager, &KItemListSelectionManager::selectionChanged,
 177             this, &DolphinView::slotSelectionChanged);
 178
 179 #ifdef HAVE_BALOO
 180     m_toolTipManager = new ToolTipManager(this);
 181     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 182 #endif
 183
 184     m_versionControlObserver = new VersionControlObserver(this);
 185     m_versionControlObserver->setModel(m_model);
 186     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 187     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 188     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 189
 190     m_twoClicksRenamingTimer = new QTimer(this);
 191     m_twoClicksRenamingTimer->setSingleShot(true);
 192     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 193
 194     applyViewProperties();
 195     m_topLayout->addWidget(m_container);
 196
 197     loadDirectory(url);
 198 }
 199
 200 DolphinView::~DolphinView()
 201 {
 202 }
 203
 204 QUrl DolphinView::url() const
 205 {
 206     return m_url;
 207 }
 208
 209 void DolphinView::setActive(bool active)
 210 {
 211     if (active == m_active) {
 212         return;
 213     }
 214
 215     m_active = active;
 216
 217     updatePalette();
 218
 219     if (active) {
 220         m_container->setFocus();
 221         emit activated();
 222         emit writeStateChanged(m_isFolderWritable);
 223     }
 224 }
 225
 226 bool DolphinView::isActive() const
 227 {
 228     return m_active;
 229 }
 230
 231 void DolphinView::setMode(Mode mode)
 232 {
 233     if (mode != m_mode) {
 234         ViewProperties props(viewPropertiesUrl());
 235         props.setViewMode(mode);
 236
 237         // We pass the new ViewProperties to applyViewProperties, rather than
 238         // storing them on disk and letting applyViewProperties() read them
 239         // from there, to prevent that changing the view mode fails if the
 240         // .directory file is not writable (see bug 318534).
 241         applyViewProperties(props);
 242     }
 243 }
 244
 245 DolphinView::Mode DolphinView::mode() const
 246 {
 247     return m_mode;
 248 }
 249
 250 void DolphinView::setPreviewsShown(bool show)
 251 {
 252     if (previewsShown() == show) {
 253         return;
 254     }
 255
 256     ViewProperties props(viewPropertiesUrl());
 257     props.setPreviewsShown(show);
 258
 259     const int oldZoomLevel = m_view->zoomLevel();
 260     m_view->setPreviewsShown(show);
 261     emit previewsShownChanged(show);
 262
 263     const int newZoomLevel = m_view->zoomLevel();
 264     if (newZoomLevel != oldZoomLevel) {
 265         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 266     }
 267 }
 268
 269 bool DolphinView::previewsShown() const
 270 {
 271     return m_view->previewsShown();
 272 }
 273
 274 void DolphinView::setHiddenFilesShown(bool show)
 275 {
 276     if (m_model->showHiddenFiles() == show) {
 277         return;
 278     }
 279
 280     const KFileItemList itemList = selectedItems();
 281     m_selectedUrls.clear();
 282     m_selectedUrls = itemList.urlList();
 283
 284     ViewProperties props(viewPropertiesUrl());
 285     props.setHiddenFilesShown(show);
 286
 287     m_model->setShowHiddenFiles(show);
 288     emit hiddenFilesShownChanged(show);
 289 }
 290
 291 bool DolphinView::hiddenFilesShown() const
 292 {
 293     return m_model->showHiddenFiles();
 294 }
 295
 296 void DolphinView::setGroupedSorting(bool grouped)
 297 {
 298     if (grouped == groupedSorting()) {
 299         return;
 300     }
 301
 302     ViewProperties props(viewPropertiesUrl());
 303     props.setGroupedSorting(grouped);
 304     props.save();
 305
 306     m_container->controller()->model()->setGroupedSorting(grouped);
 307
 308     emit groupedSortingChanged(grouped);
 309 }
 310
 311 bool DolphinView::groupedSorting() const
 312 {
 313     return m_model->groupedSorting();
 314 }
 315
 316 KFileItemList DolphinView::items() const
 317 {
 318     KFileItemList list;
 319     const int itemCount = m_model->count();
 320     list.reserve(itemCount);
 321
 322     for (int i = 0; i < itemCount; ++i) {
 323         list.append(m_model->fileItem(i));
 324     }
 325
 326     return list;
 327 }
 328
 329 int DolphinView::itemsCount() const
 330 {
 331     return m_model->count();
 332 }
 333
 334 KFileItemList DolphinView::selectedItems() const
 335 {
 336     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 337
 338     KFileItemList selectedItems;
 339     const auto items = selectionManager->selectedItems();
 340     selectedItems.reserve(items.count());
 341     for (int index : items) {
 342         selectedItems.append(m_model->fileItem(index));
 343     }
 344     return selectedItems;
 345 }
 346
 347 int DolphinView::selectedItemsCount() const
 348 {
 349     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 350     return selectionManager->selectedItems().count();
 351 }
 352
 353 void DolphinView::markUrlsAsSelected(const QList<QUrl>& urls)
 354 {
 355     m_selectedUrls = urls;
 356 }
 357
 358 void DolphinView::markUrlAsCurrent(const QUrl &url)
 359 {
 360     m_currentItemUrl = url;
 361     m_scrollToCurrentItem = true;
 362 }
 363
 364 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 365 {
 366     const KItemListSelectionManager::SelectionMode mode = enabled
 367                                                         ? KItemListSelectionManager::Select
 368                                                         : KItemListSelectionManager::Deselect;
 369     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 370
 371     for (int index = 0; index < m_model->count(); index++) {
 372         const KFileItem item = m_model->fileItem(index);
 373         if (pattern.exactMatch(item.text())) {
 374             // An alternative approach would be to store the matching items in a KItemSet and
 375             // select them in one go after the loop, but we'd need a new function
 376             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 377             // for that.
 378             selectionManager->setSelected(index, 1, mode);
 379         }
 380     }
 381 }
 382
 383 void DolphinView::setZoomLevel(int level)
 384 {
 385     const int oldZoomLevel = zoomLevel();
 386     m_view->setZoomLevel(level);
 387     if (zoomLevel() != oldZoomLevel) {
 388         hideToolTip();
 389         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 390     }
 391 }
 392
 393 int DolphinView::zoomLevel() const
 394 {
 395     return m_view->zoomLevel();
 396 }
 397
 398 void DolphinView::setSortRole(const QByteArray& role)
 399 {
 400     if (role != sortRole()) {
 401         updateSortRole(role);
 402     }
 403 }
 404
 405 QByteArray DolphinView::sortRole() const
 406 {
 407     const KItemModelBase* model = m_container->controller()->model();
 408     return model->sortRole();
 409 }
 410
 411 void DolphinView::setSortOrder(Qt::SortOrder order)
 412 {
 413     if (sortOrder() != order) {
 414         updateSortOrder(order);
 415     }
 416 }
 417
 418 Qt::SortOrder DolphinView::sortOrder() const
 419 {
 420     return m_model->sortOrder();
 421 }
 422
 423 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 424 {
 425     if (sortFoldersFirst() != foldersFirst) {
 426         updateSortFoldersFirst(foldersFirst);
 427     }
 428 }
 429
 430 bool DolphinView::sortFoldersFirst() const
 431 {
 432     return m_model->sortDirectoriesFirst();
 433 }
 434
 435 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 436 {
 437     const QList<QByteArray> previousRoles = roles;
 438
 439     ViewProperties props(viewPropertiesUrl());
 440     props.setVisibleRoles(roles);
 441
 442     m_visibleRoles = roles;
 443     m_view->setVisibleRoles(roles);
 444
 445     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 446 }
 447
 448 QList<QByteArray> DolphinView::visibleRoles() const
 449 {
 450     return m_visibleRoles;
 451 }
 452
 453 void DolphinView::reload()
 454 {
 455     QByteArray viewState;
 456     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 457     saveState(saveStream);
 458
 459     setUrl(url());
 460     loadDirectory(url(), true);
 461
 462     QDataStream restoreStream(viewState);
 463     restoreState(restoreStream);
 464 }
 465
 466 void DolphinView::readSettings()
 467 {
 468     const int oldZoomLevel = m_view->zoomLevel();
 469
 470     GeneralSettings::self()->load();
 471     m_view->readSettings();
 472     applyViewProperties();
 473
 474     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 475     m_container->controller()->setAutoActivationDelay(delay);
 476
 477     const int newZoomLevel = m_view->zoomLevel();
 478     if (newZoomLevel != oldZoomLevel) {
 479         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 480     }
 481 }
 482
 483 void DolphinView::writeSettings()
 484 {
 485     GeneralSettings::self()->save();
 486     m_view->writeSettings();
 487 }
 488
 489 void DolphinView::setNameFilter(const QString& nameFilter)
 490 {
 491     m_model->setNameFilter(nameFilter);
 492 }
 493
 494 QString DolphinView::nameFilter() const
 495 {
 496     return m_model->nameFilter();
 497 }
 498
 499 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 500 {
 501     return m_model->setMimeTypeFilters(filters);
 502 }
 503
 504 QStringList DolphinView::mimeTypeFilters() const
 505 {
 506     return m_model->mimeTypeFilters();
 507 }
 508
 509 QString DolphinView::statusBarText() const
 510 {
 511     QString summary;
 512     QString foldersText;
 513     QString filesText;
 514
 515     int folderCount = 0;
 516     int fileCount = 0;
 517     KIO::filesize_t totalFileSize = 0;
 518
 519     if (m_container->controller()->selectionManager()->hasSelection()) {
 520         // Give a summary of the status of the selected files
 521         const KFileItemList list = selectedItems();
 522         foreach (const KFileItem& item, list) {
 523             if (item.isDir()) {
 524                 ++folderCount;
 525             } else {
 526                 ++fileCount;
 527                 totalFileSize += item.size();
 528             }
 529         }
 530
 531         if (folderCount + fileCount == 1) {
 532             // If only one item is selected, show info about it
 533             return list.first().getStatusBarInfo();
 534         } else {
 535             // At least 2 items are selected
 536             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 537             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 538         }
 539     } else {
 540         calculateItemCount(fileCount, folderCount, totalFileSize);
 541         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 542         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 543     }
 544
 545     if (fileCount > 0 && folderCount > 0) {
 546         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 547                         foldersText, filesText,
 548                         KFormat().formatByteSize(totalFileSize));
 549     } else if (fileCount > 0) {
 550         summary = i18nc("@info:status files (size)", "%1 (%2)",
 551                         filesText,
 552                         KFormat().formatByteSize(totalFileSize));
 553     } else if (folderCount > 0) {
 554         summary = foldersText;
 555     } else {
 556         summary = i18nc("@info:status", "0 Folders, 0 Files");
 557     }
 558
 559     return summary;
 560 }
 561
 562 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 563 {
 564     QList<QAction*> actions;
 565
 566     if (items.isEmpty()) {
 567         const KFileItem item = m_model->rootItem();
 568         if (!item.isNull()) {
 569             actions = m_versionControlObserver->actions(KFileItemList() << item);
 570         }
 571     } else {
 572         actions = m_versionControlObserver->actions(items);
 573     }
 574
 575     return actions;
 576 }
 577
 578 void DolphinView::setUrl(const QUrl& url)
 579 {
 580     if (url == m_url) {
 581         return;
 582     }
 583
 584     clearSelection();
 585
 586     m_url = url;
 587
 588     hideToolTip();
 589
 590     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 591                this, &DolphinView::slotRoleEditingFinished);
 592
 593     // It is important to clear the items from the model before
 594     // applying the view properties, otherwise expensive operations
 595     // might be done on the existing items although they get cleared
 596     // anyhow afterwards by loadDirectory().
 597     m_model->clear();
 598     applyViewProperties();
 599     loadDirectory(url);
 600
 601     emit urlChanged(url);
 602 }
 603
 604 void DolphinView::selectAll()
 605 {
 606     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 607     selectionManager->setSelected(0, m_model->count());
 608 }
 609
 610 void DolphinView::invertSelection()
 611 {
 612     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 613     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 614 }
 615
 616 void DolphinView::clearSelection()
 617 {
 618     m_selectedUrls.clear();
 619     m_container->controller()->selectionManager()->clearSelection();
 620 }
 621
 622 void DolphinView::renameSelectedItems()
 623 {
 624     const KFileItemList items = selectedItems();
 625     if (items.isEmpty()) {
 626         return;
 627     }
 628
 629     if (items.count() == 1 && GeneralSettings::renameInline()) {
 630         const int index = m_model->index(items.first());
 631         m_view->editRole(index, "text");
 632
 633         hideToolTip();
 634
 635         connect(m_view, &DolphinItemListView::roleEditingFinished,
 636                 this, &DolphinView::slotRoleEditingFinished);
 637     } else {
 638         RenameDialog* dialog = new RenameDialog(this, items);
 639         connect(dialog, &RenameDialog::renamingFinished, this, &DolphinView::slotRenameDialogRenamingFinished);
 640
 641         dialog->open();
 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 #ifdef HAVE_BALOO
1035         m_toolTipManager->showToolTip(item, itemRect, nativeParentWidget()->windowHandle());
1036 #endif
1037     }
1038
1039     emit requestItemInfo(item);
1040 }
1041
1042 void DolphinView::slotItemUnhovered(int index)
1043 {
1044     Q_UNUSED(index);
1045     hideToolTip();
1046     emit requestItemInfo(KFileItem());
1047 }
1048
1049 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1050 {
1051     QUrl destUrl;
1052     KFileItem destItem = m_model->fileItem(index);
1053     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1054         // Use the URL of the view as drop target if the item is no directory
1055         // or desktop-file
1056         destItem = m_model->rootItem();
1057         destUrl = url();
1058     } else {
1059         // The item represents a directory or desktop-file
1060         destUrl = destItem.mostLocalUrl();
1061     }
1062
1063     QDropEvent dropEvent(event->pos().toPoint(),
1064                          event->possibleActions(),
1065                          event->mimeData(),
1066                          event->buttons(),
1067                          event->modifiers());
1068     dropUrls(destUrl, &dropEvent, this);
1069
1070     setActive(true);
1071 }
1072
1073 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1074 {
1075     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1076
1077     if (job) {
1078         connect(job, &KIO::DropJob::result, this, &DolphinView::slotPasteJobResult);
1079
1080         if (destUrl == url()) {
1081             // Mark the dropped urls as selected.
1082             m_clearSelectionBeforeSelectingNewItems = true;
1083             m_markFirstNewlySelectedItemAsCurrent = true;
1084             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1085         }
1086     }
1087 }
1088
1089 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1090 {
1091     if (previous != nullptr) {
1092         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1093         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1094         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1095         m_versionControlObserver->setModel(nullptr);
1096     }
1097
1098     if (current) {
1099         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1100         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1101         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1102         m_versionControlObserver->setModel(fileItemModel);
1103     }
1104 }
1105
1106 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1107 {
1108     Q_UNUSED(itemIndex);
1109
1110     hideToolTip();
1111
1112     if (buttons & Qt::BackButton) {
1113         emit goBackRequested();
1114     } else if (buttons & Qt::ForwardButton) {
1115         emit goForwardRequested();
1116     }
1117 }
1118
1119 void DolphinView::slotSelectedItemTextPressed(int index)
1120 {
1121     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1122         const KFileItem item = m_model->fileItem(index);
1123         const KFileItemListProperties capabilities(KFileItemList() << item);
1124         if (capabilities.supportsMoving()) {
1125             m_twoClicksRenamingItemUrl = item.url();
1126             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1127         }
1128     }
1129 }
1130
1131 void DolphinView::slotItemCreated(const QUrl& url)
1132 {
1133     if (m_markFirstNewlySelectedItemAsCurrent) {
1134         markUrlAsCurrent(url);
1135         m_markFirstNewlySelectedItemAsCurrent = false;
1136     }
1137     m_selectedUrls << url;
1138 }
1139
1140 void DolphinView::slotPasteJobResult(KJob *job)
1141 {
1142     if (job->error()) {
1143         emit errorMessage(job->errorString());
1144     }
1145     if (!m_selectedUrls.isEmpty()) {
1146         m_selectedUrls << KDirModel::simplifiedUrlList(m_selectedUrls);
1147     }
1148 }
1149
1150 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1151 {
1152     const int currentCount = current.count();
1153     const int previousCount = previous.count();
1154     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1155                                        (currentCount >  0 && previousCount == 0);
1156
1157     // If nothing has been selected before and something got selected (or if something
1158     // was selected before and now nothing is selected) the selectionChangedSignal must
1159     // be emitted asynchronously as fast as possible to update the edit-actions.
1160     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1161     m_selectionChangedTimer->start();
1162 }
1163
1164 void DolphinView::emitSelectionChangedSignal()
1165 {
1166     m_selectionChangedTimer->stop();
1167     emit selectionChanged(selectedItems());
1168 }
1169
1170 void DolphinView::updateSortRole(const QByteArray& role)
1171 {
1172     ViewProperties props(viewPropertiesUrl());
1173     props.setSortRole(role);
1174
1175     KItemModelBase* model = m_container->controller()->model();
1176     model->setSortRole(role);
1177
1178     emit sortRoleChanged(role);
1179 }
1180
1181 void DolphinView::updateSortOrder(Qt::SortOrder order)
1182 {
1183     ViewProperties props(viewPropertiesUrl());
1184     props.setSortOrder(order);
1185
1186     m_model->setSortOrder(order);
1187
1188     emit sortOrderChanged(order);
1189 }
1190
1191 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1192 {
1193     ViewProperties props(viewPropertiesUrl());
1194     props.setSortFoldersFirst(foldersFirst);
1195
1196     m_model->setSortDirectoriesFirst(foldersFirst);
1197
1198     emit sortFoldersFirstChanged(foldersFirst);
1199 }
1200
1201 QPair<bool, QString> DolphinView::pasteInfo() const
1202 {
1203     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1204     QPair<bool, QString> info;
1205     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1206     return info;
1207 }
1208
1209 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1210 {
1211     m_tabsForFiles = tabsForFiles;
1212 }
1213
1214 bool DolphinView::isTabsForFilesEnabled() const
1215 {
1216     return m_tabsForFiles;
1217 }
1218
1219 bool DolphinView::itemsExpandable() const
1220 {
1221     return m_mode == DetailsView;
1222 }
1223
1224 void DolphinView::restoreState(QDataStream& stream)
1225 {
1226     // Read the version number of the view state and check if the version is supported.
1227     quint32 version = 0;
1228     stream >> version;
1229     if (version != 1) {
1230         // The version of the view state isn't supported, we can't restore it.
1231         return;
1232     }
1233
1234     // Restore the current item that had the keyboard focus
1235     stream >> m_currentItemUrl;
1236
1237     // Restore the previously selected items
1238     stream >> m_selectedUrls;
1239
1240     // Restore the view position
1241     stream >> m_restoredContentsPosition;
1242
1243     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1244     QSet<QUrl> urls;
1245     stream >> urls;
1246     m_model->restoreExpandedDirectories(urls);
1247 }
1248
1249 void DolphinView::saveState(QDataStream& stream)
1250 {
1251     stream << quint32(1); // View state version
1252
1253     // Save the current item that has the keyboard focus
1254     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1255     if (currentIndex != -1) {
1256         KFileItem item = m_model->fileItem(currentIndex);
1257         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1258         QUrl currentItemUrl = item.url();
1259         stream << currentItemUrl;
1260     } else {
1261         stream << QUrl();
1262     }
1263
1264     // Save the selected urls
1265     stream << selectedItems().urlList();
1266
1267     // Save view position
1268     const qreal x = m_container->horizontalScrollBar()->value();
1269     const qreal y = m_container->verticalScrollBar()->value();
1270     stream << QPoint(x, y);
1271
1272     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1273     stream << m_model->expandedDirectories();
1274 }
1275
1276 KFileItem DolphinView::rootItem() const
1277 {
1278     return m_model->rootItem();
1279 }
1280
1281 void DolphinView::setViewPropertiesContext(const QString& context)
1282 {
1283     m_viewPropertiesContext = context;
1284 }
1285
1286 QString DolphinView::viewPropertiesContext() const
1287 {
1288     return m_viewPropertiesContext;
1289 }
1290
1291 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1292 {
1293     if (item.isNull()) {
1294         return QUrl();
1295     }
1296
1297     QUrl url = item.targetUrl();
1298
1299     if (item.isDir()) {
1300         return url;
1301     }
1302
1303     if (item.isMimeTypeKnown()) {
1304         const QString& mimetype = item.mimetype();
1305
1306         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1307             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1308             // zip:/<path>/ when clicking on a zip file, etc.
1309             // The .protocol file specifies the mimetype that the kioslave handles.
1310             // Note that we don't use mimetype inheritance since we don't want to
1311             // open OpenDocument files as zip folders...
1312             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1313             if (!protocol.isEmpty()) {
1314                 url.setScheme(protocol);
1315                 return url;
1316             }
1317         }
1318
1319         if (mimetype == QLatin1String("application/x-desktop")) {
1320             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1321             KDesktopFile desktopFile(url.toLocalFile());
1322             if (desktopFile.hasLinkType()) {
1323                 const QString linkUrl = desktopFile.readUrl();
1324                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1325                     return QUrl::fromUserInput(linkUrl);
1326                 }
1327             }
1328         }
1329     }
1330
1331     return QUrl();
1332 }
1333
1334 void DolphinView::observeCreatedItem(const QUrl& url)
1335 {
1336     if (m_active) {
1337         forceUrlsSelection(url, {url});
1338     }
1339 }
1340
1341 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1342 {
1343     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1344         emit redirection(oldUrl, newUrl);
1345         m_url = newUrl; // #186947
1346     }
1347 }
1348
1349 void DolphinView::updateViewState()
1350 {
1351     if (m_currentItemUrl != QUrl()) {
1352         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1353
1354         // if there is a selection already, leave it that way
1355         if (!selectionManager->hasSelection()) {
1356             const int currentIndex = m_model->index(m_currentItemUrl);
1357             if (currentIndex != -1) {
1358                 selectionManager->setCurrentItem(currentIndex);
1359
1360                 // scroll to current item and reset the state
1361                 if (m_scrollToCurrentItem) {
1362                     m_view->scrollToItem(currentIndex);
1363                     m_scrollToCurrentItem = false;
1364                 }
1365             } else {
1366                 selectionManager->setCurrentItem(0);
1367             }
1368         }
1369
1370         m_currentItemUrl = QUrl();
1371     }
1372
1373     if (!m_restoredContentsPosition.isNull()) {
1374         const int x = m_restoredContentsPosition.x();
1375         const int y = m_restoredContentsPosition.y();
1376         m_restoredContentsPosition = QPoint();
1377
1378         m_container->horizontalScrollBar()->setValue(x);
1379         m_container->verticalScrollBar()->setValue(y);
1380     }
1381
1382     if (!m_selectedUrls.isEmpty()) {
1383         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1384
1385         // if there is a selection already, leave it that way
1386         if (!selectionManager->hasSelection()) {
1387             if (m_clearSelectionBeforeSelectingNewItems) {
1388                 selectionManager->clearSelection();
1389                 m_clearSelectionBeforeSelectingNewItems = false;
1390             }
1391
1392             KItemSet selectedItems = selectionManager->selectedItems();
1393
1394             QList<QUrl>::iterator it = m_selectedUrls.begin();
1395             while (it != m_selectedUrls.end()) {
1396                 const int index = m_model->index(*it);
1397                 if (index >= 0) {
1398                     selectedItems.insert(index);
1399                     it = m_selectedUrls.erase(it);
1400                 } else {
1401                     ++it;
1402                 }
1403             }
1404
1405             selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1406             selectionManager->setSelectedItems(selectedItems);
1407         }
1408     }
1409 }
1410
1411 void DolphinView::hideToolTip()
1412 {
1413 #ifdef HAVE_BALOO
1414     if (GeneralSettings::showToolTips()) {
1415         m_toolTipManager->hideToolTip();
1416     }
1417 #endif
1418 }
1419
1420 void DolphinView::calculateItemCount(int& fileCount,
1421                                      int& folderCount,
1422                                      KIO::filesize_t& totalFileSize) const
1423 {
1424     const int itemCount = m_model->count();
1425     for (int i = 0; i < itemCount; ++i) {
1426         const KFileItem item = m_model->fileItem(i);
1427         if (item.isDir()) {
1428             ++folderCount;
1429         } else {
1430             ++fileCount;
1431             totalFileSize += item.size();
1432         }
1433     }
1434 }
1435
1436 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1437 {
1438     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1439
1440     // verify that only one item is selected
1441     if (selectionManager->selectedItems().count() == 1) {
1442         const int index = selectionManager->currentItem();
1443         const QUrl fileItemUrl = m_model->fileItem(index).url();
1444
1445         // check if the selected item was the same item that started the twoClicksRenaming
1446         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1447             renameSelectedItems();
1448         }
1449     }
1450 }
1451
1452 void DolphinView::slotTrashFileFinished(KJob* job)
1453 {
1454     if (job->error() == 0) {
1455         emit operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1456     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1457         emit errorMessage(job->errorString());
1458     }
1459 }
1460
1461 void DolphinView::slotDeleteFileFinished(KJob* job)
1462 {
1463     if (job->error() == 0) {
1464         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1465     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1466         emit errorMessage(job->errorString());
1467     }
1468 }
1469
1470 void DolphinView::slotRenamingResult(KJob* job)
1471 {
1472     if (job->error()) {
1473         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1474         Q_ASSERT(copyJob);
1475         const QUrl newUrl = copyJob->destUrl();
1476         const int index = m_model->index(newUrl);
1477         if (index >= 0) {
1478             QHash<QByteArray, QVariant> data;
1479             const QUrl oldUrl = copyJob->srcUrls().at(0);
1480             data.insert("text", oldUrl.fileName());
1481             m_model->setData(index, data);
1482         }
1483     }
1484 }
1485
1486 void DolphinView::slotDirectoryLoadingStarted()
1487 {
1488     // Disable the writestate temporary until it can be determined in a fast way
1489     // in DolphinView::slotDirectoryLoadingCompleted()
1490     if (m_isFolderWritable) {
1491         m_isFolderWritable = false;
1492         emit writeStateChanged(m_isFolderWritable);
1493     }
1494
1495     emit directoryLoadingStarted();
1496 }
1497
1498 void DolphinView::slotDirectoryLoadingCompleted()
1499 {
1500     // Update the view-state. This has to be done asynchronously
1501     // because the view might not be in its final state yet.
1502     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1503
1504     emit directoryLoadingCompleted();
1505
1506     updateWritableState();
1507 }
1508
1509 void DolphinView::slotItemsChanged()
1510 {
1511     m_assureVisibleCurrentIndex = false;
1512 }
1513
1514 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1515 {
1516     Q_UNUSED(previous);
1517     Q_ASSERT(m_model->sortOrder() == current);
1518
1519     ViewProperties props(viewPropertiesUrl());
1520     props.setSortOrder(current);
1521
1522     emit sortOrderChanged(current);
1523 }
1524
1525 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1526 {
1527     Q_UNUSED(previous);
1528     Q_ASSERT(m_model->sortRole() == current);
1529
1530     ViewProperties props(viewPropertiesUrl());
1531     props.setSortRole(current);
1532
1533     emit sortRoleChanged(current);
1534 }
1535
1536 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1537                                                   const QList<QByteArray>& previous)
1538 {
1539     Q_UNUSED(previous);
1540     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1541
1542     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1543
1544     m_visibleRoles = current;
1545
1546     ViewProperties props(viewPropertiesUrl());
1547     props.setVisibleRoles(m_visibleRoles);
1548
1549     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1550 }
1551
1552 void DolphinView::slotRoleEditingCanceled()
1553 {
1554     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1555                this, &DolphinView::slotRoleEditingFinished);
1556 }
1557
1558 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1559 {
1560     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1561                this, &DolphinView::slotRoleEditingFinished);
1562
1563     if (index < 0 || index >= m_model->count()) {
1564         return;
1565     }
1566
1567     if (role == "text") {
1568         const KFileItem oldItem = m_model->fileItem(index);
1569         const QString newName = value.toString();
1570         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1571             const QUrl oldUrl = oldItem.url();
1572
1573             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1574             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1575
1576 #ifndef Q_OS_WIN
1577             //Confirm hiding file/directory by renaming inline
1578             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1579                 KGuiItem yesGuiItem(KStandardGuiItem::yes());
1580                 yesGuiItem.setText(i18nc("@action:button", "Rename and Hide"));
1581
1582                 const auto code = KMessageBox::questionYesNo(this,
1583                                                              oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1584                                                                                      "Do you still want to rename it?")
1585                                                                               : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1586                                                                                      "Do you still want to rename it?"),
1587                                                              oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
1588                                                              yesGuiItem,
1589                                                              KStandardGuiItem::cancel(),
1590                                                              QStringLiteral("ConfirmHide")
1591                                                             );
1592
1593                 if (code == KMessageBox::No) {
1594                    return;
1595                 }
1596             }
1597 #endif
1598
1599             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1600             if (!newNameExistsAlready) {
1601                 // Only change the data in the model if no item with the new name
1602                 // is in the model yet. If there is an item with the new name
1603                 // already, calling KIO::CopyJob will open a dialog
1604                 // asking for a new name, and KFileItemModel will update the
1605                 // data when the dir lister signals that the file name has changed.
1606                 QHash<QByteArray, QVariant> data;
1607                 data.insert(role, value);
1608                 m_model->setData(index, data);
1609             }
1610
1611             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1612             KJobWidgets::setWindow(job, this);
1613             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1614             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
1615
1616             forceUrlsSelection(newUrl, {newUrl});
1617
1618             if (!newNameExistsAlready) {
1619                 // Only connect the result signal if there is no item with the new name
1620                 // in the model yet, see bug 328262.
1621                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1622             }
1623         }
1624     }
1625 }
1626
1627 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1628 {
1629     if (!url.isValid()) {
1630         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1631         if (location.isEmpty()) {
1632             emit errorMessage(i18nc("@info:status", "The location is empty."));
1633         } else {
1634             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1635         }
1636         return;
1637     }
1638
1639     if (reload) {
1640         m_model->refreshDirectory(url);
1641     } else {
1642         m_model->loadDirectory(url);
1643     }
1644 }
1645
1646 void DolphinView::applyViewProperties()
1647 {
1648     const ViewProperties props(viewPropertiesUrl());
1649     applyViewProperties(props);
1650 }
1651
1652 void DolphinView::applyViewProperties(const ViewProperties& props)
1653 {
1654     m_view->beginTransaction();
1655
1656     const Mode mode = props.viewMode();
1657     if (m_mode != mode) {
1658         const Mode previousMode = m_mode;
1659         m_mode = mode;
1660
1661         // Changing the mode might result in changing
1662         // the zoom level. Remember the old zoom level so
1663         // that zoomLevelChanged() can get emitted.
1664         const int oldZoomLevel = m_view->zoomLevel();
1665         applyModeToView();
1666
1667         emit modeChanged(m_mode, previousMode);
1668
1669         if (m_view->zoomLevel() != oldZoomLevel) {
1670             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1671         }
1672     }
1673
1674     const bool hiddenFilesShown = props.hiddenFilesShown();
1675     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1676         m_model->setShowHiddenFiles(hiddenFilesShown);
1677         emit hiddenFilesShownChanged(hiddenFilesShown);
1678     }
1679
1680     const bool groupedSorting = props.groupedSorting();
1681     if (groupedSorting != m_model->groupedSorting()) {
1682         m_model->setGroupedSorting(groupedSorting);
1683         emit groupedSortingChanged(groupedSorting);
1684     }
1685
1686     const QByteArray sortRole = props.sortRole();
1687     if (sortRole != m_model->sortRole()) {
1688         m_model->setSortRole(sortRole);
1689         emit sortRoleChanged(sortRole);
1690     }
1691
1692     const Qt::SortOrder sortOrder = props.sortOrder();
1693     if (sortOrder != m_model->sortOrder()) {
1694         m_model->setSortOrder(sortOrder);
1695         emit sortOrderChanged(sortOrder);
1696     }
1697
1698     const bool sortFoldersFirst = props.sortFoldersFirst();
1699     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1700         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1701         emit sortFoldersFirstChanged(sortFoldersFirst);
1702     }
1703
1704     const QList<QByteArray> visibleRoles = props.visibleRoles();
1705     if (visibleRoles != m_visibleRoles) {
1706         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1707         m_visibleRoles = visibleRoles;
1708         m_view->setVisibleRoles(visibleRoles);
1709         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1710     }
1711
1712     const bool previewsShown = props.previewsShown();
1713     if (previewsShown != m_view->previewsShown()) {
1714         const int oldZoomLevel = zoomLevel();
1715
1716         m_view->setPreviewsShown(previewsShown);
1717         emit previewsShownChanged(previewsShown);
1718
1719         // Changing the preview-state might result in a changed zoom-level
1720         if (oldZoomLevel != zoomLevel()) {
1721             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1722         }
1723     }
1724
1725     KItemListView* itemListView = m_container->controller()->view();
1726     if (itemListView->isHeaderVisible()) {
1727         KItemListHeader* header = itemListView->header();
1728         const QList<int> headerColumnWidths = props.headerColumnWidths();
1729         const int rolesCount = m_visibleRoles.count();
1730         if (headerColumnWidths.count() == rolesCount) {
1731             header->setAutomaticColumnResizing(false);
1732
1733             QHash<QByteArray, qreal> columnWidths;
1734             for (int i = 0; i < rolesCount; ++i) {
1735                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1736             }
1737             header->setColumnWidths(columnWidths);
1738         } else {
1739             header->setAutomaticColumnResizing(true);
1740         }
1741     }
1742
1743     m_view->endTransaction();
1744 }
1745
1746 void DolphinView::applyModeToView()
1747 {
1748     switch (m_mode) {
1749     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1750     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1751     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1752     default: Q_ASSERT(false); break;
1753     }
1754 }
1755
1756 void DolphinView::pasteToUrl(const QUrl& url)
1757 {
1758     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1759     KJobWidgets::setWindow(job, this);
1760     m_clearSelectionBeforeSelectingNewItems = true;
1761     m_markFirstNewlySelectedItemAsCurrent = true;
1762     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1763     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotPasteJobResult);
1764 }
1765
1766 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1767 {
1768     QList<QUrl> urls;
1769
1770     const KFileItemList items = selectedItems();
1771     urls.reserve(items.count());
1772     foreach (const KFileItem& item, items) {
1773         urls.append(item.url());
1774     }
1775
1776     if (itemsExpandable()) {
1777         // TODO: Check if we still need KDirModel for this in KDE 5.0
1778         urls = KDirModel::simplifiedUrlList(urls);
1779     }
1780
1781     return urls;
1782 }
1783
1784 QMimeData* DolphinView::selectionMimeData() const
1785 {
1786     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1787     const KItemSet selectedIndexes = selectionManager->selectedItems();
1788
1789     return m_model->createMimeData(selectedIndexes);
1790 }
1791
1792 void DolphinView::updateWritableState()
1793 {
1794     const bool wasFolderWritable = m_isFolderWritable;
1795     m_isFolderWritable = false;
1796
1797     KFileItem item = m_model->rootItem();
1798     if (item.isNull()) {
1799         // Try to find out if the URL is writable even if the "root item" is
1800         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1801         item = KFileItem(url());
1802         item.setDelayedMimeTypes(true);
1803     }
1804
1805     KFileItemListProperties capabilities(KFileItemList() << item);
1806     m_isFolderWritable = capabilities.supportsWriting();
1807
1808     if (m_isFolderWritable != wasFolderWritable) {
1809         emit writeStateChanged(m_isFolderWritable);
1810     }
1811 }
1812
1813 QUrl DolphinView::viewPropertiesUrl() const
1814 {
1815     if (m_viewPropertiesContext.isEmpty()) {
1816         return m_url;
1817     }
1818
1819     QUrl url;
1820     url.setScheme(m_url.scheme());
1821     url.setPath(m_viewPropertiesContext);
1822     return url;
1823 }
1824
1825 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl>& urls)
1826 {
1827     forceUrlsSelection(urls.first(), urls);
1828 }
1829
1830 void DolphinView::forceUrlsSelection(const QUrl& current, const QList<QUrl>& selected)
1831 {
1832     clearSelection();
1833     m_clearSelectionBeforeSelectingNewItems = true;
1834     markUrlAsCurrent(current);
1835     markUrlsAsSelected(selected);
1836 }