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 "versioncontrol/versioncontrolobserver.h"
  35 #include "viewproperties.h"
  36 #include "views/tooltips/tooltipmanager.h"
  37 #include "zoomlevelinfo.h"
  38
  39 #ifdef HAVE_BALOO
  40 #include <Baloo/IndexerConfig>
  41 #endif
  42 #include <KColorScheme>
  43 #include <KDesktopFile>
  44 #include <KDirModel>
  45 #include <KFileItemListProperties>
  46 #include <KFormat>
  47 #include <KIO/CopyJob>
  48 #include <KIO/DeleteJob>
  49 #include <KIO/DropJob>
  50 #include <KIO/JobUiDelegate>
  51 #include <KIO/Paste>
  52 #include <KIO/PasteJob>
  53 #include <KIO/PreviewJob>
  54 #include <KIO/RenameFileDialog>
  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 <QMimeDatabase>
  67 #include <QPixmapCache>
  68 #include <QPointer>
  69 #include <QScrollBar>
  70 #include <QSize>
  71 #include <QTimer>
  72 #include <QVBoxLayout>
  73
  74 DolphinView::DolphinView(const QUrl& url, QWidget* parent) :
  75     QWidget(parent),
  76     m_active(true),
  77     m_tabsForFiles(false),
  78     m_assureVisibleCurrentIndex(false),
  79     m_isFolderWritable(true),
  80     m_dragging(false),
  81     m_url(url),
  82     m_viewPropertiesContext(),
  83     m_mode(DolphinView::IconsView),
  84     m_visibleRoles(),
  85     m_topLayout(nullptr),
  86     m_model(nullptr),
  87     m_view(nullptr),
  88     m_container(nullptr),
  89     m_toolTipManager(nullptr),
  90     m_selectionChangedTimer(nullptr),
  91     m_currentItemUrl(),
  92     m_scrollToCurrentItem(false),
  93     m_restoredContentsPosition(),
  94     m_selectedUrls(),
  95     m_clearSelectionBeforeSelectingNewItems(false),
  96     m_markFirstNewlySelectedItemAsCurrent(false),
  97     m_versionControlObserver(nullptr),
  98     m_twoClicksRenamingTimer(nullptr)
  99 {
 100     m_topLayout = new QVBoxLayout(this);
 101     m_topLayout->setSpacing(0);
 102     m_topLayout->setContentsMargins(0, 0, 0, 0);
 103
 104     // When a new item has been created by the "Create New..." menu, the item should
 105     // get selected and it must be assured that the item will get visible. As the
 106     // creation is done asynchronously, several signals must be checked:
 107     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated,
 108             this, &DolphinView::observeCreatedItem);
 109
 110     m_selectionChangedTimer = new QTimer(this);
 111     m_selectionChangedTimer->setSingleShot(true);
 112     m_selectionChangedTimer->setInterval(300);
 113     connect(m_selectionChangedTimer, &QTimer::timeout,
 114             this, &DolphinView::emitSelectionChangedSignal);
 115
 116     m_model = new KFileItemModel(this);
 117     m_view = new DolphinItemListView();
 118     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 119     m_view->setVisibleRoles({"text"});
 120     applyModeToView();
 121
 122     KItemListController* controller = new KItemListController(m_model, m_view, this);
 123     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 124     controller->setAutoActivationDelay(delay);
 125
 126     // The EnlargeSmallPreviews setting can only be changed after the model
 127     // has been set in the view by KItemListController.
 128     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 129
 130     m_container = new KItemListContainer(controller, this);
 131     m_container->installEventFilter(this);
 132     setFocusProxy(m_container);
 133     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
 134     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
 135
 136     controller->setSelectionBehavior(KItemListController::MultiSelection);
 137     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 138     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 139     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 140     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 141     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 142     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 143     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 144     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 145     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 146     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 147     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 148     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 149     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 150
 151     connect(m_model, &KFileItemModel::directoryLoadingStarted,       this, &DolphinView::slotDirectoryLoadingStarted);
 152     connect(m_model, &KFileItemModel::directoryLoadingCompleted,     this, &DolphinView::slotDirectoryLoadingCompleted);
 153     connect(m_model, &KFileItemModel::directoryLoadingCanceled,      this, &DolphinView::directoryLoadingCanceled);
 154     connect(m_model, &KFileItemModel::directoryLoadingProgress,   this, &DolphinView::directoryLoadingProgress);
 155     connect(m_model, &KFileItemModel::directorySortingProgress,   this, &DolphinView::directorySortingProgress);
 156     connect(m_model, &KFileItemModel::itemsChanged,
 157             this, &DolphinView::slotItemsChanged);
 158     connect(m_model, &KFileItemModel::itemsRemoved,    this, &DolphinView::itemCountChanged);
 159     connect(m_model, &KFileItemModel::itemsInserted,   this, &DolphinView::itemCountChanged);
 160     connect(m_model, &KFileItemModel::infoMessage,            this, &DolphinView::infoMessage);
 161     connect(m_model, &KFileItemModel::errorMessage,           this, &DolphinView::errorMessage);
 162     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 163     connect(m_model, &KFileItemModel::urlIsFileError,            this, &DolphinView::urlIsFileError);
 164
 165     m_view->installEventFilter(this);
 166     connect(m_view, &DolphinItemListView::sortOrderChanged,
 167             this, &DolphinView::slotSortOrderChangedByHeader);
 168     connect(m_view, &DolphinItemListView::sortRoleChanged,
 169             this, &DolphinView::slotSortRoleChangedByHeader);
 170     connect(m_view, &DolphinItemListView::visibleRolesChanged,
 171             this, &DolphinView::slotVisibleRolesChangedByHeader);
 172     connect(m_view, &DolphinItemListView::roleEditingCanceled,
 173             this, &DolphinView::slotRoleEditingCanceled);
 174     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished,
 175             this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 176
 177     KItemListSelectionManager* selectionManager = controller->selectionManager();
 178     connect(selectionManager, &KItemListSelectionManager::selectionChanged,
 179             this, &DolphinView::slotSelectionChanged);
 180
 181 #ifdef HAVE_BALOO
 182     m_toolTipManager = new ToolTipManager(this);
 183     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 184 #endif
 185
 186     m_versionControlObserver = new VersionControlObserver(this);
 187     m_versionControlObserver->setView(this);
 188     m_versionControlObserver->setModel(m_model);
 189     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 190     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 191     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 192
 193     m_twoClicksRenamingTimer = new QTimer(this);
 194     m_twoClicksRenamingTimer->setSingleShot(true);
 195     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 196
 197     applyViewProperties();
 198     m_topLayout->addWidget(m_container);
 199
 200     loadDirectory(url);
 201 }
 202
 203 DolphinView::~DolphinView()
 204 {
 205 }
 206
 207 QUrl DolphinView::url() const
 208 {
 209     return m_url;
 210 }
 211
 212 void DolphinView::setActive(bool active)
 213 {
 214     if (active == m_active) {
 215         return;
 216     }
 217
 218     m_active = active;
 219
 220     updatePalette();
 221
 222     if (active) {
 223         m_container->setFocus();
 224         emit activated();
 225         emit writeStateChanged(m_isFolderWritable);
 226     }
 227 }
 228
 229 bool DolphinView::isActive() const
 230 {
 231     return m_active;
 232 }
 233
 234 void DolphinView::setMode(Mode mode)
 235 {
 236     if (mode != m_mode) {
 237         ViewProperties props(viewPropertiesUrl());
 238         props.setViewMode(mode);
 239
 240         // We pass the new ViewProperties to applyViewProperties, rather than
 241         // storing them on disk and letting applyViewProperties() read them
 242         // from there, to prevent that changing the view mode fails if the
 243         // .directory file is not writable (see bug 318534).
 244         applyViewProperties(props);
 245     }
 246 }
 247
 248 DolphinView::Mode DolphinView::mode() const
 249 {
 250     return m_mode;
 251 }
 252
 253 void DolphinView::setPreviewsShown(bool show)
 254 {
 255     if (previewsShown() == show) {
 256         return;
 257     }
 258
 259     ViewProperties props(viewPropertiesUrl());
 260     props.setPreviewsShown(show);
 261
 262     const int oldZoomLevel = m_view->zoomLevel();
 263     m_view->setPreviewsShown(show);
 264     emit previewsShownChanged(show);
 265
 266     const int newZoomLevel = m_view->zoomLevel();
 267     if (newZoomLevel != oldZoomLevel) {
 268         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 269     }
 270 }
 271
 272 bool DolphinView::previewsShown() const
 273 {
 274     return m_view->previewsShown();
 275 }
 276
 277 void DolphinView::setHiddenFilesShown(bool show)
 278 {
 279     if (m_model->showHiddenFiles() == show) {
 280         return;
 281     }
 282
 283     const KFileItemList itemList = selectedItems();
 284     m_selectedUrls.clear();
 285     m_selectedUrls = itemList.urlList();
 286
 287     ViewProperties props(viewPropertiesUrl());
 288     props.setHiddenFilesShown(show);
 289
 290     m_model->setShowHiddenFiles(show);
 291     emit hiddenFilesShownChanged(show);
 292 }
 293
 294 bool DolphinView::hiddenFilesShown() const
 295 {
 296     return m_model->showHiddenFiles();
 297 }
 298
 299 void DolphinView::setGroupedSorting(bool grouped)
 300 {
 301     if (grouped == groupedSorting()) {
 302         return;
 303     }
 304
 305     ViewProperties props(viewPropertiesUrl());
 306     props.setGroupedSorting(grouped);
 307     props.save();
 308
 309     m_container->controller()->model()->setGroupedSorting(grouped);
 310
 311     emit groupedSortingChanged(grouped);
 312 }
 313
 314 bool DolphinView::groupedSorting() const
 315 {
 316     return m_model->groupedSorting();
 317 }
 318
 319 KFileItemList DolphinView::items() const
 320 {
 321     KFileItemList list;
 322     const int itemCount = m_model->count();
 323     list.reserve(itemCount);
 324
 325     for (int i = 0; i < itemCount; ++i) {
 326         list.append(m_model->fileItem(i));
 327     }
 328
 329     return list;
 330 }
 331
 332 int DolphinView::itemsCount() const
 333 {
 334     return m_model->count();
 335 }
 336
 337 KFileItemList DolphinView::selectedItems() const
 338 {
 339     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 340
 341     KFileItemList selectedItems;
 342     const auto items = selectionManager->selectedItems();
 343     selectedItems.reserve(items.count());
 344     for (int index : items) {
 345         selectedItems.append(m_model->fileItem(index));
 346     }
 347     return selectedItems;
 348 }
 349
 350 int DolphinView::selectedItemsCount() const
 351 {
 352     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 353     return selectionManager->selectedItems().count();
 354 }
 355
 356 void DolphinView::markUrlsAsSelected(const QList<QUrl>& urls)
 357 {
 358     m_selectedUrls = urls;
 359 }
 360
 361 void DolphinView::markUrlAsCurrent(const QUrl &url)
 362 {
 363     m_currentItemUrl = url;
 364     m_scrollToCurrentItem = true;
 365 }
 366
 367 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 368 {
 369     const KItemListSelectionManager::SelectionMode mode = enabled
 370                                                         ? KItemListSelectionManager::Select
 371                                                         : KItemListSelectionManager::Deselect;
 372     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 373
 374     for (int index = 0; index < m_model->count(); index++) {
 375         const KFileItem item = m_model->fileItem(index);
 376         if (pattern.exactMatch(item.text())) {
 377             // An alternative approach would be to store the matching items in a KItemSet and
 378             // select them in one go after the loop, but we'd need a new function
 379             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 380             // for that.
 381             selectionManager->setSelected(index, 1, mode);
 382         }
 383     }
 384 }
 385
 386 void DolphinView::setZoomLevel(int level)
 387 {
 388     const int oldZoomLevel = zoomLevel();
 389     m_view->setZoomLevel(level);
 390     if (zoomLevel() != oldZoomLevel) {
 391         hideToolTip();
 392         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 393     }
 394 }
 395
 396 int DolphinView::zoomLevel() const
 397 {
 398     return m_view->zoomLevel();
 399 }
 400
 401 void DolphinView::setSortRole(const QByteArray& role)
 402 {
 403     if (role != sortRole()) {
 404         updateSortRole(role);
 405     }
 406 }
 407
 408 QByteArray DolphinView::sortRole() const
 409 {
 410     const KItemModelBase* model = m_container->controller()->model();
 411     return model->sortRole();
 412 }
 413
 414 void DolphinView::setSortOrder(Qt::SortOrder order)
 415 {
 416     if (sortOrder() != order) {
 417         updateSortOrder(order);
 418     }
 419 }
 420
 421 Qt::SortOrder DolphinView::sortOrder() const
 422 {
 423     return m_model->sortOrder();
 424 }
 425
 426 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 427 {
 428     if (sortFoldersFirst() != foldersFirst) {
 429         updateSortFoldersFirst(foldersFirst);
 430     }
 431 }
 432
 433 bool DolphinView::sortFoldersFirst() const
 434 {
 435     return m_model->sortDirectoriesFirst();
 436 }
 437
 438 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 439 {
 440     const QList<QByteArray> previousRoles = roles;
 441
 442     ViewProperties props(viewPropertiesUrl());
 443     props.setVisibleRoles(roles);
 444
 445     m_visibleRoles = roles;
 446     m_view->setVisibleRoles(roles);
 447
 448     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 449 }
 450
 451 QList<QByteArray> DolphinView::visibleRoles() const
 452 {
 453     return m_visibleRoles;
 454 }
 455
 456 void DolphinView::reload()
 457 {
 458     QByteArray viewState;
 459     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 460     saveState(saveStream);
 461
 462     setUrl(url());
 463     loadDirectory(url(), true);
 464
 465     QDataStream restoreStream(viewState);
 466     restoreState(restoreStream);
 467 }
 468
 469 void DolphinView::readSettings()
 470 {
 471     const int oldZoomLevel = m_view->zoomLevel();
 472
 473     GeneralSettings::self()->load();
 474     m_view->readSettings();
 475     applyViewProperties();
 476
 477     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 478     m_container->controller()->setAutoActivationDelay(delay);
 479
 480     const int newZoomLevel = m_view->zoomLevel();
 481     if (newZoomLevel != oldZoomLevel) {
 482         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 483     }
 484 }
 485
 486 void DolphinView::writeSettings()
 487 {
 488     GeneralSettings::self()->save();
 489     m_view->writeSettings();
 490 }
 491
 492 void DolphinView::setNameFilter(const QString& nameFilter)
 493 {
 494     m_model->setNameFilter(nameFilter);
 495 }
 496
 497 QString DolphinView::nameFilter() const
 498 {
 499     return m_model->nameFilter();
 500 }
 501
 502 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 503 {
 504     return m_model->setMimeTypeFilters(filters);
 505 }
 506
 507 QStringList DolphinView::mimeTypeFilters() const
 508 {
 509     return m_model->mimeTypeFilters();
 510 }
 511
 512 QString DolphinView::statusBarText() const
 513 {
 514     QString summary;
 515     QString foldersText;
 516     QString filesText;
 517
 518     int folderCount = 0;
 519     int fileCount = 0;
 520     KIO::filesize_t totalFileSize = 0;
 521
 522     if (m_container->controller()->selectionManager()->hasSelection()) {
 523         // Give a summary of the status of the selected files
 524         const KFileItemList list = selectedItems();
 525         foreach (const KFileItem& item, list) {
 526             if (item.isDir()) {
 527                 ++folderCount;
 528             } else {
 529                 ++fileCount;
 530                 totalFileSize += item.size();
 531             }
 532         }
 533
 534         if (folderCount + fileCount == 1) {
 535             // If only one item is selected, show info about it
 536             return list.first().getStatusBarInfo();
 537         } else {
 538             // At least 2 items are selected
 539             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 540             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 541         }
 542     } else {
 543         calculateItemCount(fileCount, folderCount, totalFileSize);
 544         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 545         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 546     }
 547
 548     if (fileCount > 0 && folderCount > 0) {
 549         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 550                         foldersText, filesText,
 551                         KFormat().formatByteSize(totalFileSize));
 552     } else if (fileCount > 0) {
 553         summary = i18nc("@info:status files (size)", "%1 (%2)",
 554                         filesText,
 555                         KFormat().formatByteSize(totalFileSize));
 556     } else if (folderCount > 0) {
 557         summary = foldersText;
 558     } else {
 559         summary = i18nc("@info:status", "0 Folders, 0 Files");
 560     }
 561
 562     return summary;
 563 }
 564
 565 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 566 {
 567     QList<QAction*> actions;
 568
 569     if (items.isEmpty()) {
 570         const KFileItem item = m_model->rootItem();
 571         if (!item.isNull()) {
 572             actions = m_versionControlObserver->actions(KFileItemList() << item);
 573         }
 574     } else {
 575         actions = m_versionControlObserver->actions(items);
 576     }
 577
 578     return actions;
 579 }
 580
 581 void DolphinView::setUrl(const QUrl& url)
 582 {
 583     if (url == m_url) {
 584         return;
 585     }
 586
 587     clearSelection();
 588
 589     m_url = url;
 590
 591     hideToolTip();
 592
 593     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 594                this, &DolphinView::slotRoleEditingFinished);
 595
 596     // It is important to clear the items from the model before
 597     // applying the view properties, otherwise expensive operations
 598     // might be done on the existing items although they get cleared
 599     // anyhow afterwards by loadDirectory().
 600     m_model->clear();
 601     applyViewProperties();
 602     loadDirectory(url);
 603
 604     emit urlChanged(url);
 605 }
 606
 607 void DolphinView::selectAll()
 608 {
 609     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 610     selectionManager->setSelected(0, m_model->count());
 611 }
 612
 613 void DolphinView::invertSelection()
 614 {
 615     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 616     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 617 }
 618
 619 void DolphinView::clearSelection()
 620 {
 621     m_selectedUrls.clear();
 622     m_container->controller()->selectionManager()->clearSelection();
 623 }
 624
 625 void DolphinView::renameSelectedItems()
 626 {
 627     const KFileItemList items = selectedItems();
 628     if (items.isEmpty()) {
 629         return;
 630     }
 631
 632     if (items.count() == 1 && GeneralSettings::renameInline()) {
 633         const int index = m_model->index(items.first());
 634         m_view->editRole(index, "text");
 635
 636         hideToolTip();
 637
 638         connect(m_view, &DolphinItemListView::roleEditingFinished,
 639                 this, &DolphinView::slotRoleEditingFinished);
 640     } else {
 641         KIO::RenameFileDialog* dialog = new KIO::RenameFileDialog(items, this);
 642         connect(dialog, &KIO::RenameFileDialog::renamingFinished,
 643                 this, &DolphinView::slotRenameDialogRenamingFinished);
 644
 645         dialog->open();
 646     }
 647
 648     // Assure that the current index remains visible when KFileItemModel
 649     // will notify the view about changed items (which might result in
 650     // a changed sorting).
 651     m_assureVisibleCurrentIndex = true;
 652 }
 653
 654 void DolphinView::trashSelectedItems()
 655 {
 656     const QList<QUrl> list = simplifiedSelectedUrls();
 657     KIO::JobUiDelegate uiDelegate;
 658     uiDelegate.setWindow(window());
 659     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 660         KIO::Job* job = KIO::trash(list);
 661         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, QUrl(QStringLiteral("trash:/")), job);
 662         KJobWidgets::setWindow(job, this);
 663         connect(job, &KIO::Job::result,
 664                 this, &DolphinView::slotTrashFileFinished);
 665     }
 666 }
 667
 668 void DolphinView::deleteSelectedItems()
 669 {
 670     const QList<QUrl> list = simplifiedSelectedUrls();
 671
 672     KIO::JobUiDelegate uiDelegate;
 673     uiDelegate.setWindow(window());
 674     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 675         KIO::Job* job = KIO::del(list);
 676         KJobWidgets::setWindow(job, this);
 677         connect(job, &KIO::Job::result,
 678                 this, &DolphinView::slotDeleteFileFinished);
 679     }
 680 }
 681
 682 void DolphinView::cutSelectedItems()
 683 {
 684     QMimeData* mimeData = selectionMimeData();
 685     KIO::setClipboardDataCut(mimeData, true);
 686     QApplication::clipboard()->setMimeData(mimeData);
 687 }
 688
 689 void DolphinView::copySelectedItems()
 690 {
 691     QMimeData* mimeData = selectionMimeData();
 692     QApplication::clipboard()->setMimeData(mimeData);
 693 }
 694
 695 void DolphinView::paste()
 696 {
 697     pasteToUrl(url());
 698 }
 699
 700 void DolphinView::pasteIntoFolder()
 701 {
 702     const KFileItemList items = selectedItems();
 703     if ((items.count() == 1) && items.first().isDir()) {
 704         pasteToUrl(items.first().url());
 705     }
 706 }
 707
 708 void DolphinView::duplicateSelectedItems()
 709 {
 710     const KFileItemList itemList = selectedItems();
 711     if (itemList.isEmpty()) {
 712         return;
 713     }
 714
 715     const QMimeDatabase db;
 716
 717     // Duplicate all selected items and append "copy" to the end of the file name
 718     // but before the filename extension, if present
 719     QList<QUrl> newSelection;
 720     for (const auto &item : itemList) {
 721         const QUrl originalURL  = item.url();
 722         const QString originalDirectoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 723         const QString originalFileName = item.name();
 724
 725         QString extension = db.suffixForFileName(originalFileName);
 726
 727         QUrl duplicateURL = originalURL;
 728
 729         // No extension; new filename is "<oldfilename> copy"
 730         if (extension.isEmpty()) {
 731             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFileName));
 732         // There's an extension; new filename is "<oldfilename> copy.<extension>"
 733         } else {
 734             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 735             extension = QLatin1String(".") + extension;
 736             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 737             // Preserve file's original filename extension in case the casing differs
 738             // from what QMimeDatabase::suffixForFileName() returned
 739             const QString originalExtension = originalFileName.right(extension.size());
 740             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFilenameWithoutExtension) + originalExtension);
 741         }
 742
 743         KIO::CopyJob* job = KIO::copyAs(originalURL, duplicateURL, KIO::HideProgressInfo);
 744         KJobWidgets::setWindow(job, this);
 745
 746         if (job) {
 747             newSelection << duplicateURL;
 748             KIO::FileUndoManager::self()->recordCopyJob(job);
 749         }
 750     }
 751
 752     forceUrlsSelection(newSelection.first(), newSelection);
 753 }
 754
 755 void DolphinView::stopLoading()
 756 {
 757     m_model->cancelDirectoryLoading();
 758 }
 759
 760 void DolphinView::updatePalette()
 761 {
 762     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 763     if (!m_active) {
 764         color.setAlpha(150);
 765     }
 766
 767     QWidget* viewport = m_container->viewport();
 768     if (viewport) {
 769         QPalette palette;
 770         palette.setColor(viewport->backgroundRole(), color);
 771         viewport->setPalette(palette);
 772     }
 773
 774     update();
 775 }
 776
 777 void DolphinView::abortTwoClicksRenaming()
 778 {
 779     m_twoClicksRenamingItemUrl.clear();
 780     m_twoClicksRenamingTimer->stop();
 781 }
 782
 783 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 784 {
 785     switch (event->type()) {
 786     case QEvent::PaletteChange:
 787         updatePalette();
 788         QPixmapCache::clear();
 789         break;
 790
 791     case QEvent::WindowActivate:
 792     case QEvent::WindowDeactivate:
 793         updatePalette();
 794         break;
 795
 796     case QEvent::KeyPress:
 797         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 798         if (GeneralSettings::useTabForSwitchingSplitView()) {
 799             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 800             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 801                 emit toggleActiveViewRequested();
 802                 return true;
 803             }
 804         }
 805         break;
 806     case QEvent::FocusIn:
 807         if (watched == m_container) {
 808             setActive(true);
 809         }
 810         break;
 811
 812     case QEvent::GraphicsSceneDragEnter:
 813         if (watched == m_view) {
 814             m_dragging = true;
 815             abortTwoClicksRenaming();
 816         }
 817         break;
 818
 819     case QEvent::GraphicsSceneDragLeave:
 820         if (watched == m_view) {
 821             m_dragging = false;
 822         }
 823         break;
 824
 825     case QEvent::GraphicsSceneDrop:
 826         if (watched == m_view) {
 827             m_dragging = false;
 828         }
 829     default:
 830         break;
 831     }
 832
 833     return QWidget::eventFilter(watched, event);
 834 }
 835
 836 void DolphinView::wheelEvent(QWheelEvent* event)
 837 {
 838     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 839         const int numDegrees = event->delta() / 8;
 840         const int numSteps = numDegrees / 15;
 841
 842         setZoomLevel(zoomLevel() + numSteps);
 843         event->accept();
 844     } else {
 845         event->ignore();
 846     }
 847 }
 848
 849 void DolphinView::hideEvent(QHideEvent* event)
 850 {
 851     hideToolTip();
 852     QWidget::hideEvent(event);
 853 }
 854
 855 bool DolphinView::event(QEvent* event)
 856 {
 857     if (event->type() == QEvent::WindowDeactivate) {
 858         /* See Bug 297355
 859          * Dolphin leaves file preview tooltips open even when is not visible.
 860          *
 861          * Hide tool-tip when Dolphin loses focus.
 862          */
 863         hideToolTip();
 864         abortTwoClicksRenaming();
 865     }
 866
 867     return QWidget::event(event);
 868 }
 869
 870 void DolphinView::activate()
 871 {
 872     setActive(true);
 873 }
 874
 875 void DolphinView::slotItemActivated(int index)
 876 {
 877     abortTwoClicksRenaming();
 878
 879     const KFileItem item = m_model->fileItem(index);
 880     if (!item.isNull()) {
 881         emit itemActivated(item);
 882     }
 883 }
 884
 885 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 886 {
 887     Q_ASSERT(indexes.count() >= 2);
 888
 889     abortTwoClicksRenaming();
 890
 891     if (indexes.count() > 5) {
 892         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 893         const int answer = KMessageBox::warningYesNo(this, question);
 894         if (answer != KMessageBox::Yes) {
 895             return;
 896         }
 897     }
 898
 899     KFileItemList items;
 900     items.reserve(indexes.count());
 901
 902     for (int index : indexes) {
 903         KFileItem item = m_model->fileItem(index);
 904         const QUrl& url = openItemAsFolderUrl(item);
 905
 906         if (!url.isEmpty()) { // Open folders in new tabs
 907             emit tabRequested(url, DolphinTabWidget::AfterLastTab);
 908         } else {
 909             items.append(item);
 910         }
 911     }
 912
 913     if (items.count() == 1) {
 914         emit itemActivated(items.first());
 915     } else if (items.count() > 1) {
 916         emit itemsActivated(items);
 917     }
 918 }
 919
 920 void DolphinView::slotItemMiddleClicked(int index)
 921 {
 922     const KFileItem& item = m_model->fileItem(index);
 923     const QUrl& url = openItemAsFolderUrl(item);
 924     if (!url.isEmpty()) {
 925         emit tabRequested(url, DolphinTabWidget::AfterCurrentTab);
 926     } else if (isTabsForFilesEnabled()) {
 927         emit tabRequested(item.url(), DolphinTabWidget::AfterCurrentTab);
 928     }
 929 }
 930
 931 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 932 {
 933     // Force emit of a selection changed signal before we request the
 934     // context menu, to update the edit-actions first. (See Bug 294013)
 935     if (m_selectionChangedTimer->isActive()) {
 936         emitSelectionChangedSignal();
 937     }
 938
 939     const KFileItem item = m_model->fileItem(index);
 940     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 941 }
 942
 943 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 944 {
 945     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 946 }
 947
 948 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 949 {
 950     ViewProperties props(viewPropertiesUrl());
 951
 952     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
 953
 954     KItemListView* view = m_container->controller()->view();
 955     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 956
 957     bool indexingEnabled = false;
 958 #ifdef HAVE_BALOO
 959     Baloo::IndexerConfig config;
 960     indexingEnabled = config.fileIndexingEnabled();
 961 #endif
 962
 963     QString groupName;
 964     QMenu* groupMenu = nullptr;
 965
 966     // Add all roles to the menu that can be shown or hidden by the user
 967     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 968     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 969         if (info.role == "text") {
 970             // It should not be possible to hide the "text" role
 971             continue;
 972         }
 973
 974         const QString text = m_model->roleDescription(info.role);
 975         QAction* action = nullptr;
 976         if (info.group.isEmpty()) {
 977             action = menu->addAction(text);
 978         } else {
 979             if (!groupMenu || info.group != groupName) {
 980                 groupName = info.group;
 981                 groupMenu = menu->addMenu(groupName);
 982             }
 983
 984             action = groupMenu->addAction(text);
 985         }
 986
 987         action->setCheckable(true);
 988         action->setChecked(visibleRolesSet.contains(info.role));
 989         action->setData(info.role);
 990
 991         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 992                             (info.requiresBaloo) ||
 993                             (info.requiresIndexer && indexingEnabled);
 994         action->setEnabled(enable);
 995     }
 996
 997     menu->addSeparator();
 998
 999     QActionGroup* widthsGroup = new QActionGroup(menu);
1000     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1001
1002     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1003     autoAdjustWidthsAction->setCheckable(true);
1004     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1005     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1006
1007     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1008     customWidthsAction->setCheckable(true);
1009     customWidthsAction->setChecked(!autoColumnWidths);
1010     customWidthsAction->setActionGroup(widthsGroup);
1011
1012     QAction* action = menu->exec(pos.toPoint());
1013     if (menu && action) {
1014         KItemListHeader* header = view->header();
1015
1016         if (action == autoAdjustWidthsAction) {
1017             // Clear the column-widths from the viewproperties and turn on
1018             // the automatic resizing of the columns
1019             props.setHeaderColumnWidths(QList<int>());
1020             header->setAutomaticColumnResizing(true);
1021         } else if (action == customWidthsAction) {
1022             // Apply the current column-widths as custom column-widths and turn
1023             // off the automatic resizing of the columns
1024             QList<int> columnWidths;
1025             columnWidths.reserve(view->visibleRoles().count());
1026             foreach (const QByteArray& role, view->visibleRoles()) {
1027                 columnWidths.append(header->columnWidth(role));
1028             }
1029             props.setHeaderColumnWidths(columnWidths);
1030             header->setAutomaticColumnResizing(false);
1031         } else {
1032             // Show or hide the selected role
1033             const QByteArray selectedRole = action->data().toByteArray();
1034
1035             QList<QByteArray> visibleRoles = view->visibleRoles();
1036             if (action->isChecked()) {
1037                 visibleRoles.append(selectedRole);
1038             } else {
1039                 visibleRoles.removeOne(selectedRole);
1040             }
1041
1042             view->setVisibleRoles(visibleRoles);
1043             props.setVisibleRoles(visibleRoles);
1044
1045             QList<int> columnWidths;
1046             if (!header->automaticColumnResizing()) {
1047                 columnWidths.reserve(view->visibleRoles().count());
1048                 foreach (const QByteArray& role, view->visibleRoles()) {
1049                     columnWidths.append(header->columnWidth(role));
1050                 }
1051             }
1052             props.setHeaderColumnWidths(columnWidths);
1053         }
1054     }
1055
1056     delete menu;
1057 }
1058
1059 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current)
1060 {
1061     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1062
1063     ViewProperties props(viewPropertiesUrl());
1064     QList<int> columnWidths = props.headerColumnWidths();
1065     if (columnWidths.count() != visibleRoles.count()) {
1066         columnWidths.clear();
1067         columnWidths.reserve(visibleRoles.count());
1068         const KItemListHeader* header = m_view->header();
1069         foreach (const QByteArray& role, visibleRoles) {
1070             const int width = header->columnWidth(role);
1071             columnWidths.append(width);
1072         }
1073     }
1074
1075     const int roleIndex = visibleRoles.indexOf(role);
1076     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1077     columnWidths[roleIndex] = current;
1078
1079     props.setHeaderColumnWidths(columnWidths);
1080 }
1081
1082 void DolphinView::slotItemHovered(int index)
1083 {
1084     const KFileItem item = m_model->fileItem(index);
1085
1086     if (GeneralSettings::showToolTips() && !m_dragging) {
1087         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1088         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1089         itemRect.moveTo(pos);
1090
1091 #ifdef HAVE_BALOO
1092         m_toolTipManager->showToolTip(item, itemRect, nativeParentWidget()->windowHandle());
1093 #endif
1094     }
1095
1096     emit requestItemInfo(item);
1097 }
1098
1099 void DolphinView::slotItemUnhovered(int index)
1100 {
1101     Q_UNUSED(index)
1102     hideToolTip();
1103     emit requestItemInfo(KFileItem());
1104 }
1105
1106 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1107 {
1108     QUrl destUrl;
1109     KFileItem destItem = m_model->fileItem(index);
1110     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1111         // Use the URL of the view as drop target if the item is no directory
1112         // or desktop-file
1113         destItem = m_model->rootItem();
1114         destUrl = url();
1115     } else {
1116         // The item represents a directory or desktop-file
1117         destUrl = destItem.mostLocalUrl();
1118     }
1119
1120     QDropEvent dropEvent(event->pos().toPoint(),
1121                          event->possibleActions(),
1122                          event->mimeData(),
1123                          event->buttons(),
1124                          event->modifiers());
1125     dropUrls(destUrl, &dropEvent, this);
1126
1127     setActive(true);
1128 }
1129
1130 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1131 {
1132     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1133
1134     if (job) {
1135         connect(job, &KIO::DropJob::result, this, &DolphinView::slotPasteJobResult);
1136
1137         if (destUrl == url()) {
1138             // Mark the dropped urls as selected.
1139             m_clearSelectionBeforeSelectingNewItems = true;
1140             m_markFirstNewlySelectedItemAsCurrent = true;
1141             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1142         }
1143     }
1144 }
1145
1146 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1147 {
1148     if (previous != nullptr) {
1149         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1150         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1151         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1152         m_versionControlObserver->setModel(nullptr);
1153     }
1154
1155     if (current) {
1156         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1157         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1158         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1159         m_versionControlObserver->setModel(fileItemModel);
1160     }
1161 }
1162
1163 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1164 {
1165     Q_UNUSED(itemIndex)
1166
1167     hideToolTip();
1168
1169     if (buttons & Qt::BackButton) {
1170         emit goBackRequested();
1171     } else if (buttons & Qt::ForwardButton) {
1172         emit goForwardRequested();
1173     }
1174 }
1175
1176 void DolphinView::slotSelectedItemTextPressed(int index)
1177 {
1178     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1179         const KFileItem item = m_model->fileItem(index);
1180         const KFileItemListProperties capabilities(KFileItemList() << item);
1181         if (capabilities.supportsMoving()) {
1182             m_twoClicksRenamingItemUrl = item.url();
1183             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1184         }
1185     }
1186 }
1187
1188 void DolphinView::slotItemCreated(const QUrl& url)
1189 {
1190     if (m_markFirstNewlySelectedItemAsCurrent) {
1191         markUrlAsCurrent(url);
1192         m_markFirstNewlySelectedItemAsCurrent = false;
1193     }
1194     m_selectedUrls << url;
1195 }
1196
1197 void DolphinView::slotPasteJobResult(KJob *job)
1198 {
1199     if (job->error()) {
1200         emit errorMessage(job->errorString());
1201     }
1202     if (!m_selectedUrls.isEmpty()) {
1203         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1204     }
1205 }
1206
1207 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1208 {
1209     const int currentCount = current.count();
1210     const int previousCount = previous.count();
1211     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1212                                        (currentCount >  0 && previousCount == 0);
1213
1214     // If nothing has been selected before and something got selected (or if something
1215     // was selected before and now nothing is selected) the selectionChangedSignal must
1216     // be emitted asynchronously as fast as possible to update the edit-actions.
1217     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1218     m_selectionChangedTimer->start();
1219 }
1220
1221 void DolphinView::emitSelectionChangedSignal()
1222 {
1223     m_selectionChangedTimer->stop();
1224     emit selectionChanged(selectedItems());
1225 }
1226
1227 void DolphinView::updateSortRole(const QByteArray& role)
1228 {
1229     ViewProperties props(viewPropertiesUrl());
1230     props.setSortRole(role);
1231
1232     KItemModelBase* model = m_container->controller()->model();
1233     model->setSortRole(role);
1234
1235     emit sortRoleChanged(role);
1236 }
1237
1238 void DolphinView::updateSortOrder(Qt::SortOrder order)
1239 {
1240     ViewProperties props(viewPropertiesUrl());
1241     props.setSortOrder(order);
1242
1243     m_model->setSortOrder(order);
1244
1245     emit sortOrderChanged(order);
1246 }
1247
1248 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1249 {
1250     ViewProperties props(viewPropertiesUrl());
1251     props.setSortFoldersFirst(foldersFirst);
1252
1253     m_model->setSortDirectoriesFirst(foldersFirst);
1254
1255     emit sortFoldersFirstChanged(foldersFirst);
1256 }
1257
1258 QPair<bool, QString> DolphinView::pasteInfo() const
1259 {
1260     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1261     QPair<bool, QString> info;
1262     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1263     return info;
1264 }
1265
1266 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1267 {
1268     m_tabsForFiles = tabsForFiles;
1269 }
1270
1271 bool DolphinView::isTabsForFilesEnabled() const
1272 {
1273     return m_tabsForFiles;
1274 }
1275
1276 bool DolphinView::itemsExpandable() const
1277 {
1278     return m_mode == DetailsView;
1279 }
1280
1281 void DolphinView::restoreState(QDataStream& stream)
1282 {
1283     // Read the version number of the view state and check if the version is supported.
1284     quint32 version = 0;
1285     stream >> version;
1286     if (version != 1) {
1287         // The version of the view state isn't supported, we can't restore it.
1288         return;
1289     }
1290
1291     // Restore the current item that had the keyboard focus
1292     stream >> m_currentItemUrl;
1293
1294     // Restore the previously selected items
1295     stream >> m_selectedUrls;
1296
1297     // Restore the view position
1298     stream >> m_restoredContentsPosition;
1299
1300     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1301     QSet<QUrl> urls;
1302     stream >> urls;
1303     m_model->restoreExpandedDirectories(urls);
1304 }
1305
1306 void DolphinView::saveState(QDataStream& stream)
1307 {
1308     stream << quint32(1); // View state version
1309
1310     // Save the current item that has the keyboard focus
1311     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1312     if (currentIndex != -1) {
1313         KFileItem item = m_model->fileItem(currentIndex);
1314         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1315         QUrl currentItemUrl = item.url();
1316         stream << currentItemUrl;
1317     } else {
1318         stream << QUrl();
1319     }
1320
1321     // Save the selected urls
1322     stream << selectedItems().urlList();
1323
1324     // Save view position
1325     const qreal x = m_container->horizontalScrollBar()->value();
1326     const qreal y = m_container->verticalScrollBar()->value();
1327     stream << QPoint(x, y);
1328
1329     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1330     stream << m_model->expandedDirectories();
1331 }
1332
1333 KFileItem DolphinView::rootItem() const
1334 {
1335     return m_model->rootItem();
1336 }
1337
1338 void DolphinView::setViewPropertiesContext(const QString& context)
1339 {
1340     m_viewPropertiesContext = context;
1341 }
1342
1343 QString DolphinView::viewPropertiesContext() const
1344 {
1345     return m_viewPropertiesContext;
1346 }
1347
1348 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1349 {
1350     if (item.isNull()) {
1351         return QUrl();
1352     }
1353
1354     QUrl url = item.targetUrl();
1355
1356     if (item.isDir()) {
1357         return url;
1358     }
1359
1360     if (item.isMimeTypeKnown()) {
1361         const QString& mimetype = item.mimetype();
1362
1363         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1364             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1365             // zip:/<path>/ when clicking on a zip file, etc.
1366             // The .protocol file specifies the mimetype that the kioslave handles.
1367             // Note that we don't use mimetype inheritance since we don't want to
1368             // open OpenDocument files as zip folders...
1369             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1370             if (!protocol.isEmpty()) {
1371                 url.setScheme(protocol);
1372                 return url;
1373             }
1374         }
1375
1376         if (mimetype == QLatin1String("application/x-desktop")) {
1377             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1378             KDesktopFile desktopFile(url.toLocalFile());
1379             if (desktopFile.hasLinkType()) {
1380                 const QString linkUrl = desktopFile.readUrl();
1381                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1382                     return QUrl::fromUserInput(linkUrl);
1383                 }
1384             }
1385         }
1386     }
1387
1388     return QUrl();
1389 }
1390
1391 void DolphinView::resetZoomLevel()
1392 {
1393     ViewModeSettings::ViewMode mode;
1394
1395     switch (m_mode) {
1396     case IconsView:     mode = ViewModeSettings::IconsMode;   break;
1397     case CompactView:   mode = ViewModeSettings::CompactMode; break;
1398     case DetailsView:   mode = ViewModeSettings::DetailsMode; break;
1399     }
1400     const ViewModeSettings settings(mode);
1401     const QSize iconSize = QSize(settings.iconSize(), settings.iconSize());
1402     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(iconSize));
1403 }
1404
1405 void DolphinView::observeCreatedItem(const QUrl& url)
1406 {
1407     if (m_active) {
1408         forceUrlsSelection(url, {url});
1409     }
1410 }
1411
1412 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1413 {
1414     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1415         emit redirection(oldUrl, newUrl);
1416         m_url = newUrl; // #186947
1417     }
1418 }
1419
1420 void DolphinView::updateViewState()
1421 {
1422     if (m_currentItemUrl != QUrl()) {
1423         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1424
1425         // if there is a selection already, leave it that way
1426         if (!selectionManager->hasSelection()) {
1427             const int currentIndex = m_model->index(m_currentItemUrl);
1428             if (currentIndex != -1) {
1429                 selectionManager->setCurrentItem(currentIndex);
1430
1431                 // scroll to current item and reset the state
1432                 if (m_scrollToCurrentItem) {
1433                     m_view->scrollToItem(currentIndex);
1434                     m_scrollToCurrentItem = false;
1435                 }
1436             } else {
1437                 selectionManager->setCurrentItem(0);
1438             }
1439         }
1440
1441         m_currentItemUrl = QUrl();
1442     }
1443
1444     if (!m_restoredContentsPosition.isNull()) {
1445         const int x = m_restoredContentsPosition.x();
1446         const int y = m_restoredContentsPosition.y();
1447         m_restoredContentsPosition = QPoint();
1448
1449         m_container->horizontalScrollBar()->setValue(x);
1450         m_container->verticalScrollBar()->setValue(y);
1451     }
1452
1453     if (!m_selectedUrls.isEmpty()) {
1454         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1455
1456         // if there is a selection already, leave it that way
1457         if (!selectionManager->hasSelection()) {
1458             if (m_clearSelectionBeforeSelectingNewItems) {
1459                 selectionManager->clearSelection();
1460                 m_clearSelectionBeforeSelectingNewItems = false;
1461             }
1462
1463             KItemSet selectedItems = selectionManager->selectedItems();
1464
1465             QList<QUrl>::iterator it = m_selectedUrls.begin();
1466             while (it != m_selectedUrls.end()) {
1467                 const int index = m_model->index(*it);
1468                 if (index >= 0) {
1469                     selectedItems.insert(index);
1470                     it = m_selectedUrls.erase(it);
1471                 } else {
1472                     ++it;
1473                 }
1474             }
1475
1476             selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1477             selectionManager->setSelectedItems(selectedItems);
1478         }
1479     }
1480 }
1481
1482 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1483 {
1484 #ifdef HAVE_BALOO
1485     if (GeneralSettings::showToolTips()) {
1486         m_toolTipManager->hideToolTip(behavior);
1487     }
1488 #endif
1489 }
1490
1491 void DolphinView::calculateItemCount(int& fileCount,
1492                                      int& folderCount,
1493                                      KIO::filesize_t& totalFileSize) const
1494 {
1495     const int itemCount = m_model->count();
1496
1497     bool countFileSize = true;
1498
1499     // In case we have a precomputed value
1500     const auto job = KIO::statDetails(m_model->rootItem().url(), KIO::StatJob::SourceSide, KIO::StatRecursiveSize);
1501     job->exec();
1502     const auto entry =  job->statResult();
1503     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1504         totalFileSize = static_cast<KIO::filesize_t>(entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1505         countFileSize = false;
1506     }
1507
1508     for (int i = 0; i < itemCount; ++i) {
1509         const KFileItem item = m_model->fileItem(i);
1510         if (item.isDir()) {
1511             ++folderCount;
1512         } else {
1513             ++fileCount;
1514             if (countFileSize) {
1515                 totalFileSize += item.size();
1516             }
1517         }
1518     }
1519 }
1520
1521 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1522 {
1523     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1524
1525     // verify that only one item is selected
1526     if (selectionManager->selectedItems().count() == 1) {
1527         const int index = selectionManager->currentItem();
1528         const QUrl fileItemUrl = m_model->fileItem(index).url();
1529
1530         // check if the selected item was the same item that started the twoClicksRenaming
1531         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1532             renameSelectedItems();
1533         }
1534     }
1535 }
1536
1537 void DolphinView::slotTrashFileFinished(KJob* job)
1538 {
1539     if (job->error() == 0) {
1540         emit operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1541     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1542         emit errorMessage(job->errorString());
1543     }
1544 }
1545
1546 void DolphinView::slotDeleteFileFinished(KJob* job)
1547 {
1548     if (job->error() == 0) {
1549         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1550     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1551         emit errorMessage(job->errorString());
1552     }
1553 }
1554
1555 void DolphinView::slotRenamingResult(KJob* job)
1556 {
1557     if (job->error()) {
1558         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1559         Q_ASSERT(copyJob);
1560         const QUrl newUrl = copyJob->destUrl();
1561         const int index = m_model->index(newUrl);
1562         if (index >= 0) {
1563             QHash<QByteArray, QVariant> data;
1564             const QUrl oldUrl = copyJob->srcUrls().at(0);
1565             data.insert("text", oldUrl.fileName());
1566             m_model->setData(index, data);
1567         }
1568     }
1569 }
1570
1571 void DolphinView::slotDirectoryLoadingStarted()
1572 {
1573     // Disable the writestate temporary until it can be determined in a fast way
1574     // in DolphinView::slotDirectoryLoadingCompleted()
1575     if (m_isFolderWritable) {
1576         m_isFolderWritable = false;
1577         emit writeStateChanged(m_isFolderWritable);
1578     }
1579
1580     emit directoryLoadingStarted();
1581 }
1582
1583 void DolphinView::slotDirectoryLoadingCompleted()
1584 {
1585     // Update the view-state. This has to be done asynchronously
1586     // because the view might not be in its final state yet.
1587     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1588
1589     emit directoryLoadingCompleted();
1590
1591     updateWritableState();
1592 }
1593
1594 void DolphinView::slotItemsChanged()
1595 {
1596     m_assureVisibleCurrentIndex = false;
1597 }
1598
1599 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1600 {
1601     Q_UNUSED(previous)
1602     Q_ASSERT(m_model->sortOrder() == current);
1603
1604     ViewProperties props(viewPropertiesUrl());
1605     props.setSortOrder(current);
1606
1607     emit sortOrderChanged(current);
1608 }
1609
1610 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1611 {
1612     Q_UNUSED(previous)
1613     Q_ASSERT(m_model->sortRole() == current);
1614
1615     ViewProperties props(viewPropertiesUrl());
1616     props.setSortRole(current);
1617
1618     emit sortRoleChanged(current);
1619 }
1620
1621 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1622                                                   const QList<QByteArray>& previous)
1623 {
1624     Q_UNUSED(previous)
1625     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1626
1627     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1628
1629     m_visibleRoles = current;
1630
1631     ViewProperties props(viewPropertiesUrl());
1632     props.setVisibleRoles(m_visibleRoles);
1633
1634     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1635 }
1636
1637 void DolphinView::slotRoleEditingCanceled()
1638 {
1639     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1640                this, &DolphinView::slotRoleEditingFinished);
1641 }
1642
1643 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1644 {
1645     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1646                this, &DolphinView::slotRoleEditingFinished);
1647
1648     if (index < 0 || index >= m_model->count()) {
1649         return;
1650     }
1651
1652     if (role == "text") {
1653         const KFileItem oldItem = m_model->fileItem(index);
1654         const QString newName = value.toString();
1655         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1656             const QUrl oldUrl = oldItem.url();
1657
1658             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1659             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1660
1661 #ifndef Q_OS_WIN
1662             //Confirm hiding file/directory by renaming inline
1663             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1664                 KGuiItem yesGuiItem(KStandardGuiItem::yes());
1665                 yesGuiItem.setText(i18nc("@action:button", "Rename and Hide"));
1666
1667                 const auto code = KMessageBox::questionYesNo(this,
1668                                                              oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1669                                                                                      "Do you still want to rename it?")
1670                                                                               : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1671                                                                                      "Do you still want to rename it?"),
1672                                                              oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
1673                                                              yesGuiItem,
1674                                                              KStandardGuiItem::cancel(),
1675                                                              QStringLiteral("ConfirmHide")
1676                                                             );
1677
1678                 if (code == KMessageBox::No) {
1679                    return;
1680                 }
1681             }
1682 #endif
1683
1684             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1685             if (!newNameExistsAlready) {
1686                 // Only change the data in the model if no item with the new name
1687                 // is in the model yet. If there is an item with the new name
1688                 // already, calling KIO::CopyJob will open a dialog
1689                 // asking for a new name, and KFileItemModel will update the
1690                 // data when the dir lister signals that the file name has changed.
1691                 QHash<QByteArray, QVariant> data;
1692                 data.insert(role, value);
1693                 m_model->setData(index, data);
1694             }
1695
1696             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1697             KJobWidgets::setWindow(job, this);
1698             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1699             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
1700
1701             forceUrlsSelection(newUrl, {newUrl});
1702
1703             if (!newNameExistsAlready) {
1704                 // Only connect the result signal if there is no item with the new name
1705                 // in the model yet, see bug 328262.
1706                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1707             }
1708         }
1709     }
1710 }
1711
1712 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1713 {
1714     if (!url.isValid()) {
1715         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1716         if (location.isEmpty()) {
1717             emit errorMessage(i18nc("@info:status", "The location is empty."));
1718         } else {
1719             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1720         }
1721         return;
1722     }
1723
1724     if (reload) {
1725         m_model->refreshDirectory(url);
1726     } else {
1727         m_model->loadDirectory(url);
1728     }
1729 }
1730
1731 void DolphinView::applyViewProperties()
1732 {
1733     const ViewProperties props(viewPropertiesUrl());
1734     applyViewProperties(props);
1735 }
1736
1737 void DolphinView::applyViewProperties(const ViewProperties& props)
1738 {
1739     m_view->beginTransaction();
1740
1741     const Mode mode = props.viewMode();
1742     if (m_mode != mode) {
1743         const Mode previousMode = m_mode;
1744         m_mode = mode;
1745
1746         // Changing the mode might result in changing
1747         // the zoom level. Remember the old zoom level so
1748         // that zoomLevelChanged() can get emitted.
1749         const int oldZoomLevel = m_view->zoomLevel();
1750         applyModeToView();
1751
1752         emit modeChanged(m_mode, previousMode);
1753
1754         if (m_view->zoomLevel() != oldZoomLevel) {
1755             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1756         }
1757     }
1758
1759     const bool hiddenFilesShown = props.hiddenFilesShown();
1760     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1761         m_model->setShowHiddenFiles(hiddenFilesShown);
1762         emit hiddenFilesShownChanged(hiddenFilesShown);
1763     }
1764
1765     const bool groupedSorting = props.groupedSorting();
1766     if (groupedSorting != m_model->groupedSorting()) {
1767         m_model->setGroupedSorting(groupedSorting);
1768         emit groupedSortingChanged(groupedSorting);
1769     }
1770
1771     const QByteArray sortRole = props.sortRole();
1772     if (sortRole != m_model->sortRole()) {
1773         m_model->setSortRole(sortRole);
1774         emit sortRoleChanged(sortRole);
1775     }
1776
1777     const Qt::SortOrder sortOrder = props.sortOrder();
1778     if (sortOrder != m_model->sortOrder()) {
1779         m_model->setSortOrder(sortOrder);
1780         emit sortOrderChanged(sortOrder);
1781     }
1782
1783     const bool sortFoldersFirst = props.sortFoldersFirst();
1784     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1785         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1786         emit sortFoldersFirstChanged(sortFoldersFirst);
1787     }
1788
1789     const QList<QByteArray> visibleRoles = props.visibleRoles();
1790     if (visibleRoles != m_visibleRoles) {
1791         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1792         m_visibleRoles = visibleRoles;
1793         m_view->setVisibleRoles(visibleRoles);
1794         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1795     }
1796
1797     const bool previewsShown = props.previewsShown();
1798     if (previewsShown != m_view->previewsShown()) {
1799         const int oldZoomLevel = zoomLevel();
1800
1801         m_view->setPreviewsShown(previewsShown);
1802         emit previewsShownChanged(previewsShown);
1803
1804         // Changing the preview-state might result in a changed zoom-level
1805         if (oldZoomLevel != zoomLevel()) {
1806             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1807         }
1808     }
1809
1810     KItemListView* itemListView = m_container->controller()->view();
1811     if (itemListView->isHeaderVisible()) {
1812         KItemListHeader* header = itemListView->header();
1813         const QList<int> headerColumnWidths = props.headerColumnWidths();
1814         const int rolesCount = m_visibleRoles.count();
1815         if (headerColumnWidths.count() == rolesCount) {
1816             header->setAutomaticColumnResizing(false);
1817
1818             QHash<QByteArray, qreal> columnWidths;
1819             for (int i = 0; i < rolesCount; ++i) {
1820                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1821             }
1822             header->setColumnWidths(columnWidths);
1823         } else {
1824             header->setAutomaticColumnResizing(true);
1825         }
1826     }
1827
1828     m_view->endTransaction();
1829 }
1830
1831 void DolphinView::applyModeToView()
1832 {
1833     switch (m_mode) {
1834     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1835     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1836     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1837     default: Q_ASSERT(false); break;
1838     }
1839 }
1840
1841 void DolphinView::pasteToUrl(const QUrl& url)
1842 {
1843     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1844     KJobWidgets::setWindow(job, this);
1845     m_clearSelectionBeforeSelectingNewItems = true;
1846     m_markFirstNewlySelectedItemAsCurrent = true;
1847     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1848     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotPasteJobResult);
1849 }
1850
1851 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1852 {
1853     QList<QUrl> urls;
1854
1855     const KFileItemList items = selectedItems();
1856     urls.reserve(items.count());
1857     foreach (const KFileItem& item, items) {
1858         urls.append(item.url());
1859     }
1860
1861     if (itemsExpandable()) {
1862         // TODO: Check if we still need KDirModel for this in KDE 5.0
1863         urls = KDirModel::simplifiedUrlList(urls);
1864     }
1865
1866     return urls;
1867 }
1868
1869 QMimeData* DolphinView::selectionMimeData() const
1870 {
1871     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1872     const KItemSet selectedIndexes = selectionManager->selectedItems();
1873
1874     return m_model->createMimeData(selectedIndexes);
1875 }
1876
1877 void DolphinView::updateWritableState()
1878 {
1879     const bool wasFolderWritable = m_isFolderWritable;
1880     m_isFolderWritable = false;
1881
1882     KFileItem item = m_model->rootItem();
1883     if (item.isNull()) {
1884         // Try to find out if the URL is writable even if the "root item" is
1885         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1886         item = KFileItem(url());
1887         item.setDelayedMimeTypes(true);
1888     }
1889
1890     KFileItemListProperties capabilities(KFileItemList() << item);
1891     m_isFolderWritable = capabilities.supportsWriting();
1892
1893     if (m_isFolderWritable != wasFolderWritable) {
1894         emit writeStateChanged(m_isFolderWritable);
1895     }
1896 }
1897
1898 QUrl DolphinView::viewPropertiesUrl() const
1899 {
1900     if (m_viewPropertiesContext.isEmpty()) {
1901         return m_url;
1902     }
1903
1904     QUrl url;
1905     url.setScheme(m_url.scheme());
1906     url.setPath(m_viewPropertiesContext);
1907     return url;
1908 }
1909
1910 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl>& urls)
1911 {
1912     forceUrlsSelection(urls.first(), urls);
1913 }
1914
1915 void DolphinView::forceUrlsSelection(const QUrl& current, const QList<QUrl>& selected)
1916 {
1917     clearSelection();
1918     m_clearSelectionBeforeSelectingNewItems = true;
1919     markUrlAsCurrent(current);
1920     markUrlsAsSelected(selected);
1921 }