src/views/dolphinview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2009 by Peter Penz <peter.penz19@gmail.com>        *
   3  *   Copyright (C) 2006 by Gregor Kališnik <gregor@podnapisi.net>          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinview.h"
  22
  23 #include "dolphin_detailsmodesettings.h"
  24 #include "dolphin_generalsettings.h"
  25 #include "dolphinitemlistview.h"
  26 #include "dolphinnewfilemenuobserver.h"
  27 #include "draganddrophelper.h"
  28 #include "kitemviews/kfileitemlistview.h"
  29 #include "kitemviews/kfileitemmodel.h"
  30 #include "kitemviews/kitemlistcontainer.h"
  31 #include "kitemviews/kitemlistcontroller.h"
  32 #include "kitemviews/kitemlistheader.h"
  33 #include "kitemviews/kitemlistselectionmanager.h"
  34 #include "renamedialog.h"
  35 #include "versioncontrol/versioncontrolobserver.h"
  36 #include "viewproperties.h"
  37 #include "views/tooltips/tooltipmanager.h"
  38 #include "zoomlevelinfo.h"
  39
  40 #ifdef HAVE_BALOO
  41 #include <Baloo/IndexerConfig>
  42 #endif
  43 #include <KColorScheme>
  44 #include <KDesktopFile>
  45 #include <KDirModel>
  46 #include <KFileItemListProperties>
  47 #include <KFormat>
  48 #include <KIO/CopyJob>
  49 #include <KIO/DeleteJob>
  50 #include <KIO/DropJob>
  51 #include <KIO/JobUiDelegate>
  52 #include <KIO/Paste>
  53 #include <KIO/PasteJob>
  54 #include <KIO/PreviewJob>
  55 #include <KJobWidgets>
  56 #include <KLocalizedString>
  57 #include <KMessageBox>
  58 #include <KProtocolManager>
  59
  60 #include <QAbstractItemView>
  61 #include <QApplication>
  62 #include <QClipboard>
  63 #include <QDropEvent>
  64 #include <QGraphicsSceneDragDropEvent>
  65 #include <QMenu>
  66 #include <QPixmapCache>
  67 #include <QPointer>
  68 #include <QScrollBar>
  69 #include <QTimer>
  70 #include <QVBoxLayout>
  71
  72 DolphinView::DolphinView(const QUrl& url, QWidget* parent) :
  73     QWidget(parent),
  74     m_active(true),
  75     m_tabsForFiles(false),
  76     m_assureVisibleCurrentIndex(false),
  77     m_isFolderWritable(true),
  78     m_dragging(false),
  79     m_url(url),
  80     m_viewPropertiesContext(),
  81     m_mode(DolphinView::IconsView),
  82     m_visibleRoles(),
  83     m_topLayout(nullptr),
  84     m_model(nullptr),
  85     m_view(nullptr),
  86     m_container(nullptr),
  87     m_toolTipManager(nullptr),
  88     m_selectionChangedTimer(nullptr),
  89     m_currentItemUrl(),
  90     m_scrollToCurrentItem(false),
  91     m_restoredContentsPosition(),
  92     m_selectedUrls(),
  93     m_clearSelectionBeforeSelectingNewItems(false),
  94     m_markFirstNewlySelectedItemAsCurrent(false),
  95     m_versionControlObserver(nullptr),
  96     m_twoClicksRenamingTimer(nullptr)
  97 {
  98     m_topLayout = new QVBoxLayout(this);
  99     m_topLayout->setSpacing(0);
 100     m_topLayout->setMargin(0);
 101
 102     // When a new item has been created by the "Create New..." menu, the item should
 103     // get selected and it must be assured that the item will get visible. As the
 104     // creation is done asynchronously, several signals must be checked:
 105     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated,
 106             this, &DolphinView::observeCreatedItem);
 107
 108     m_selectionChangedTimer = new QTimer(this);
 109     m_selectionChangedTimer->setSingleShot(true);
 110     m_selectionChangedTimer->setInterval(300);
 111     connect(m_selectionChangedTimer, &QTimer::timeout,
 112             this, &DolphinView::emitSelectionChangedSignal);
 113
 114     m_model = new KFileItemModel(this);
 115     m_view = new DolphinItemListView();
 116     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 117     m_view->setVisibleRoles({"text"});
 118     applyModeToView();
 119
 120     KItemListController* controller = new KItemListController(m_model, m_view, this);
 121     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 122     controller->setAutoActivationDelay(delay);
 123
 124     // The EnlargeSmallPreviews setting can only be changed after the model
 125     // has been set in the view by KItemListController.
 126     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 127
 128     m_container = new KItemListContainer(controller, this);
 129     m_container->installEventFilter(this);
 130     setFocusProxy(m_container);
 131     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, &DolphinView::hideToolTip);
 132     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, &DolphinView::hideToolTip);
 133
 134     controller->setSelectionBehavior(KItemListController::MultiSelection);
 135     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 136     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 137     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 138     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 139     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 140     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 141     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 142     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 143     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 144     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 145     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 146     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 147     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 148
 149     connect(m_model, &KFileItemModel::directoryLoadingStarted,       this, &DolphinView::slotDirectoryLoadingStarted);
 150     connect(m_model, &KFileItemModel::directoryLoadingCompleted,     this, &DolphinView::slotDirectoryLoadingCompleted);
 151     connect(m_model, &KFileItemModel::directoryLoadingCanceled,      this, &DolphinView::directoryLoadingCanceled);
 152     connect(m_model, &KFileItemModel::directoryLoadingProgress,   this, &DolphinView::directoryLoadingProgress);
 153     connect(m_model, &KFileItemModel::directorySortingProgress,   this, &DolphinView::directorySortingProgress);
 154     connect(m_model, &KFileItemModel::itemsChanged,
 155             this, &DolphinView::slotItemsChanged);
 156     connect(m_model, &KFileItemModel::itemsRemoved,    this, &DolphinView::itemCountChanged);
 157     connect(m_model, &KFileItemModel::itemsInserted,   this, &DolphinView::itemCountChanged);
 158     connect(m_model, &KFileItemModel::infoMessage,            this, &DolphinView::infoMessage);
 159     connect(m_model, &KFileItemModel::errorMessage,           this, &DolphinView::errorMessage);
 160     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 161     connect(m_model, &KFileItemModel::urlIsFileError,            this, &DolphinView::urlIsFileError);
 162
 163     m_view->installEventFilter(this);
 164     connect(m_view, &DolphinItemListView::sortOrderChanged,
 165             this, &DolphinView::slotSortOrderChangedByHeader);
 166     connect(m_view, &DolphinItemListView::sortRoleChanged,
 167             this, &DolphinView::slotSortRoleChangedByHeader);
 168     connect(m_view, &DolphinItemListView::visibleRolesChanged,
 169             this, &DolphinView::slotVisibleRolesChangedByHeader);
 170     connect(m_view, &DolphinItemListView::roleEditingCanceled,
 171             this, &DolphinView::slotRoleEditingCanceled);
 172     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished,
 173             this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 174
 175     KItemListSelectionManager* selectionManager = controller->selectionManager();
 176     connect(selectionManager, &KItemListSelectionManager::selectionChanged,
 177             this, &DolphinView::slotSelectionChanged);
 178
 179 #ifdef HAVE_BALOO
 180     m_toolTipManager = new ToolTipManager(this);
 181     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 182 #endif
 183
 184     m_versionControlObserver = new VersionControlObserver(this);
 185     m_versionControlObserver->setView(this);
 186     m_versionControlObserver->setModel(m_model);
 187     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 188     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 189     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 190
 191     m_twoClicksRenamingTimer = new QTimer(this);
 192     m_twoClicksRenamingTimer->setSingleShot(true);
 193     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 194
 195     applyViewProperties();
 196     m_topLayout->addWidget(m_container);
 197
 198     loadDirectory(url);
 199 }
 200
 201 DolphinView::~DolphinView()
 202 {
 203 }
 204
 205 QUrl DolphinView::url() const
 206 {
 207     return m_url;
 208 }
 209
 210 void DolphinView::setActive(bool active)
 211 {
 212     if (active == m_active) {
 213         return;
 214     }
 215
 216     m_active = active;
 217
 218     updatePalette();
 219
 220     if (active) {
 221         m_container->setFocus();
 222         emit activated();
 223         emit writeStateChanged(m_isFolderWritable);
 224     }
 225 }
 226
 227 bool DolphinView::isActive() const
 228 {
 229     return m_active;
 230 }
 231
 232 void DolphinView::setMode(Mode mode)
 233 {
 234     if (mode != m_mode) {
 235         ViewProperties props(viewPropertiesUrl());
 236         props.setViewMode(mode);
 237
 238         // We pass the new ViewProperties to applyViewProperties, rather than
 239         // storing them on disk and letting applyViewProperties() read them
 240         // from there, to prevent that changing the view mode fails if the
 241         // .directory file is not writable (see bug 318534).
 242         applyViewProperties(props);
 243     }
 244 }
 245
 246 DolphinView::Mode DolphinView::mode() const
 247 {
 248     return m_mode;
 249 }
 250
 251 void DolphinView::setPreviewsShown(bool show)
 252 {
 253     if (previewsShown() == show) {
 254         return;
 255     }
 256
 257     ViewProperties props(viewPropertiesUrl());
 258     props.setPreviewsShown(show);
 259
 260     const int oldZoomLevel = m_view->zoomLevel();
 261     m_view->setPreviewsShown(show);
 262     emit previewsShownChanged(show);
 263
 264     const int newZoomLevel = m_view->zoomLevel();
 265     if (newZoomLevel != oldZoomLevel) {
 266         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 267     }
 268 }
 269
 270 bool DolphinView::previewsShown() const
 271 {
 272     return m_view->previewsShown();
 273 }
 274
 275 void DolphinView::setHiddenFilesShown(bool show)
 276 {
 277     if (m_model->showHiddenFiles() == show) {
 278         return;
 279     }
 280
 281     const KFileItemList itemList = selectedItems();
 282     m_selectedUrls.clear();
 283     m_selectedUrls = itemList.urlList();
 284
 285     ViewProperties props(viewPropertiesUrl());
 286     props.setHiddenFilesShown(show);
 287
 288     m_model->setShowHiddenFiles(show);
 289     emit hiddenFilesShownChanged(show);
 290 }
 291
 292 bool DolphinView::hiddenFilesShown() const
 293 {
 294     return m_model->showHiddenFiles();
 295 }
 296
 297 void DolphinView::setGroupedSorting(bool grouped)
 298 {
 299     if (grouped == groupedSorting()) {
 300         return;
 301     }
 302
 303     ViewProperties props(viewPropertiesUrl());
 304     props.setGroupedSorting(grouped);
 305     props.save();
 306
 307     m_container->controller()->model()->setGroupedSorting(grouped);
 308
 309     emit groupedSortingChanged(grouped);
 310 }
 311
 312 bool DolphinView::groupedSorting() const
 313 {
 314     return m_model->groupedSorting();
 315 }
 316
 317 KFileItemList DolphinView::items() const
 318 {
 319     KFileItemList list;
 320     const int itemCount = m_model->count();
 321     list.reserve(itemCount);
 322
 323     for (int i = 0; i < itemCount; ++i) {
 324         list.append(m_model->fileItem(i));
 325     }
 326
 327     return list;
 328 }
 329
 330 int DolphinView::itemsCount() const
 331 {
 332     return m_model->count();
 333 }
 334
 335 KFileItemList DolphinView::selectedItems() const
 336 {
 337     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 338
 339     KFileItemList selectedItems;
 340     const auto items = selectionManager->selectedItems();
 341     selectedItems.reserve(items.count());
 342     for (int index : items) {
 343         selectedItems.append(m_model->fileItem(index));
 344     }
 345     return selectedItems;
 346 }
 347
 348 int DolphinView::selectedItemsCount() const
 349 {
 350     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 351     return selectionManager->selectedItems().count();
 352 }
 353
 354 void DolphinView::markUrlsAsSelected(const QList<QUrl>& urls)
 355 {
 356     m_selectedUrls = urls;
 357 }
 358
 359 void DolphinView::markUrlAsCurrent(const QUrl &url)
 360 {
 361     m_currentItemUrl = url;
 362     m_scrollToCurrentItem = true;
 363 }
 364
 365 void DolphinView::selectItems(const QRegExp& pattern, bool enabled)
 366 {
 367     const KItemListSelectionManager::SelectionMode mode = enabled
 368                                                         ? KItemListSelectionManager::Select
 369                                                         : KItemListSelectionManager::Deselect;
 370     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 371
 372     for (int index = 0; index < m_model->count(); index++) {
 373         const KFileItem item = m_model->fileItem(index);
 374         if (pattern.exactMatch(item.text())) {
 375             // An alternative approach would be to store the matching items in a KItemSet and
 376             // select them in one go after the loop, but we'd need a new function
 377             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 378             // for that.
 379             selectionManager->setSelected(index, 1, mode);
 380         }
 381     }
 382 }
 383
 384 void DolphinView::setZoomLevel(int level)
 385 {
 386     const int oldZoomLevel = zoomLevel();
 387     m_view->setZoomLevel(level);
 388     if (zoomLevel() != oldZoomLevel) {
 389         hideToolTip();
 390         emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
 391     }
 392 }
 393
 394 int DolphinView::zoomLevel() const
 395 {
 396     return m_view->zoomLevel();
 397 }
 398
 399 void DolphinView::setSortRole(const QByteArray& role)
 400 {
 401     if (role != sortRole()) {
 402         updateSortRole(role);
 403     }
 404 }
 405
 406 QByteArray DolphinView::sortRole() const
 407 {
 408     const KItemModelBase* model = m_container->controller()->model();
 409     return model->sortRole();
 410 }
 411
 412 void DolphinView::setSortOrder(Qt::SortOrder order)
 413 {
 414     if (sortOrder() != order) {
 415         updateSortOrder(order);
 416     }
 417 }
 418
 419 Qt::SortOrder DolphinView::sortOrder() const
 420 {
 421     return m_model->sortOrder();
 422 }
 423
 424 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 425 {
 426     if (sortFoldersFirst() != foldersFirst) {
 427         updateSortFoldersFirst(foldersFirst);
 428     }
 429 }
 430
 431 bool DolphinView::sortFoldersFirst() const
 432 {
 433     return m_model->sortDirectoriesFirst();
 434 }
 435
 436 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 437 {
 438     const QList<QByteArray> previousRoles = roles;
 439
 440     ViewProperties props(viewPropertiesUrl());
 441     props.setVisibleRoles(roles);
 442
 443     m_visibleRoles = roles;
 444     m_view->setVisibleRoles(roles);
 445
 446     emit visibleRolesChanged(m_visibleRoles, previousRoles);
 447 }
 448
 449 QList<QByteArray> DolphinView::visibleRoles() const
 450 {
 451     return m_visibleRoles;
 452 }
 453
 454 void DolphinView::reload()
 455 {
 456     QByteArray viewState;
 457     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 458     saveState(saveStream);
 459
 460     setUrl(url());
 461     loadDirectory(url(), true);
 462
 463     QDataStream restoreStream(viewState);
 464     restoreState(restoreStream);
 465 }
 466
 467 void DolphinView::readSettings()
 468 {
 469     const int oldZoomLevel = m_view->zoomLevel();
 470
 471     GeneralSettings::self()->load();
 472     m_view->readSettings();
 473     applyViewProperties();
 474
 475     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 476     m_container->controller()->setAutoActivationDelay(delay);
 477
 478     const int newZoomLevel = m_view->zoomLevel();
 479     if (newZoomLevel != oldZoomLevel) {
 480         emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
 481     }
 482 }
 483
 484 void DolphinView::writeSettings()
 485 {
 486     GeneralSettings::self()->save();
 487     m_view->writeSettings();
 488 }
 489
 490 void DolphinView::setNameFilter(const QString& nameFilter)
 491 {
 492     m_model->setNameFilter(nameFilter);
 493 }
 494
 495 QString DolphinView::nameFilter() const
 496 {
 497     return m_model->nameFilter();
 498 }
 499
 500 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 501 {
 502     return m_model->setMimeTypeFilters(filters);
 503 }
 504
 505 QStringList DolphinView::mimeTypeFilters() const
 506 {
 507     return m_model->mimeTypeFilters();
 508 }
 509
 510 QString DolphinView::statusBarText() const
 511 {
 512     QString summary;
 513     QString foldersText;
 514     QString filesText;
 515
 516     int folderCount = 0;
 517     int fileCount = 0;
 518     KIO::filesize_t totalFileSize = 0;
 519
 520     if (m_container->controller()->selectionManager()->hasSelection()) {
 521         // Give a summary of the status of the selected files
 522         const KFileItemList list = selectedItems();
 523         foreach (const KFileItem& item, list) {
 524             if (item.isDir()) {
 525                 ++folderCount;
 526             } else {
 527                 ++fileCount;
 528                 totalFileSize += item.size();
 529             }
 530         }
 531
 532         if (folderCount + fileCount == 1) {
 533             // If only one item is selected, show info about it
 534             return list.first().getStatusBarInfo();
 535         } else {
 536             // At least 2 items are selected
 537             foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 538             filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 539         }
 540     } else {
 541         calculateItemCount(fileCount, folderCount, totalFileSize);
 542         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 543         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 544     }
 545
 546     if (fileCount > 0 && folderCount > 0) {
 547         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 548                         foldersText, filesText,
 549                         KFormat().formatByteSize(totalFileSize));
 550     } else if (fileCount > 0) {
 551         summary = i18nc("@info:status files (size)", "%1 (%2)",
 552                         filesText,
 553                         KFormat().formatByteSize(totalFileSize));
 554     } else if (folderCount > 0) {
 555         summary = foldersText;
 556     } else {
 557         summary = i18nc("@info:status", "0 Folders, 0 Files");
 558     }
 559
 560     return summary;
 561 }
 562
 563 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 564 {
 565     QList<QAction*> actions;
 566
 567     if (items.isEmpty()) {
 568         const KFileItem item = m_model->rootItem();
 569         if (!item.isNull()) {
 570             actions = m_versionControlObserver->actions(KFileItemList() << item);
 571         }
 572     } else {
 573         actions = m_versionControlObserver->actions(items);
 574     }
 575
 576     return actions;
 577 }
 578
 579 void DolphinView::setUrl(const QUrl& url)
 580 {
 581     if (url == m_url) {
 582         return;
 583     }
 584
 585     clearSelection();
 586
 587     m_url = url;
 588
 589     hideToolTip();
 590
 591     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 592                this, &DolphinView::slotRoleEditingFinished);
 593
 594     // It is important to clear the items from the model before
 595     // applying the view properties, otherwise expensive operations
 596     // might be done on the existing items although they get cleared
 597     // anyhow afterwards by loadDirectory().
 598     m_model->clear();
 599     applyViewProperties();
 600     loadDirectory(url);
 601
 602     emit urlChanged(url);
 603 }
 604
 605 void DolphinView::selectAll()
 606 {
 607     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 608     selectionManager->setSelected(0, m_model->count());
 609 }
 610
 611 void DolphinView::invertSelection()
 612 {
 613     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 614     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 615 }
 616
 617 void DolphinView::clearSelection()
 618 {
 619     m_selectedUrls.clear();
 620     m_container->controller()->selectionManager()->clearSelection();
 621 }
 622
 623 void DolphinView::renameSelectedItems()
 624 {
 625     const KFileItemList items = selectedItems();
 626     if (items.isEmpty()) {
 627         return;
 628     }
 629
 630     if (items.count() == 1 && GeneralSettings::renameInline()) {
 631         const int index = m_model->index(items.first());
 632         m_view->editRole(index, "text");
 633
 634         hideToolTip();
 635
 636         connect(m_view, &DolphinItemListView::roleEditingFinished,
 637                 this, &DolphinView::slotRoleEditingFinished);
 638     } else {
 639         RenameDialog* dialog = new RenameDialog(this, items);
 640         connect(dialog, &RenameDialog::renamingFinished, this, &DolphinView::slotRenameDialogRenamingFinished);
 641
 642         dialog->open();
 643     }
 644
 645     // Assure that the current index remains visible when KFileItemModel
 646     // will notify the view about changed items (which might result in
 647     // a changed sorting).
 648     m_assureVisibleCurrentIndex = true;
 649 }
 650
 651 void DolphinView::trashSelectedItems()
 652 {
 653     const QList<QUrl> list = simplifiedSelectedUrls();
 654     KIO::JobUiDelegate uiDelegate;
 655     uiDelegate.setWindow(window());
 656     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 657         KIO::Job* job = KIO::trash(list);
 658         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, QUrl(QStringLiteral("trash:/")), job);
 659         KJobWidgets::setWindow(job, this);
 660         connect(job, &KIO::Job::result,
 661                 this, &DolphinView::slotTrashFileFinished);
 662     }
 663 }
 664
 665 void DolphinView::deleteSelectedItems()
 666 {
 667     const QList<QUrl> list = simplifiedSelectedUrls();
 668
 669     KIO::JobUiDelegate uiDelegate;
 670     uiDelegate.setWindow(window());
 671     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 672         KIO::Job* job = KIO::del(list);
 673         KJobWidgets::setWindow(job, this);
 674         connect(job, &KIO::Job::result,
 675                 this, &DolphinView::slotDeleteFileFinished);
 676     }
 677 }
 678
 679 void DolphinView::cutSelectedItems()
 680 {
 681     QMimeData* mimeData = selectionMimeData();
 682     KIO::setClipboardDataCut(mimeData, true);
 683     QApplication::clipboard()->setMimeData(mimeData);
 684 }
 685
 686 void DolphinView::copySelectedItems()
 687 {
 688     QMimeData* mimeData = selectionMimeData();
 689     QApplication::clipboard()->setMimeData(mimeData);
 690 }
 691
 692 void DolphinView::paste()
 693 {
 694     pasteToUrl(url());
 695 }
 696
 697 void DolphinView::pasteIntoFolder()
 698 {
 699     const KFileItemList items = selectedItems();
 700     if ((items.count() == 1) && items.first().isDir()) {
 701         pasteToUrl(items.first().url());
 702     }
 703 }
 704
 705 void DolphinView::stopLoading()
 706 {
 707     m_model->cancelDirectoryLoading();
 708 }
 709
 710 void DolphinView::updatePalette()
 711 {
 712     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
 713     if (!m_active) {
 714         color.setAlpha(150);
 715     }
 716
 717     QWidget* viewport = m_container->viewport();
 718     if (viewport) {
 719         QPalette palette;
 720         palette.setColor(viewport->backgroundRole(), color);
 721         viewport->setPalette(palette);
 722     }
 723
 724     update();
 725 }
 726
 727 void DolphinView::abortTwoClicksRenaming()
 728 {
 729     m_twoClicksRenamingItemUrl.clear();
 730     m_twoClicksRenamingTimer->stop();
 731 }
 732
 733 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 734 {
 735     switch (event->type()) {
 736     case QEvent::PaletteChange:
 737         updatePalette();
 738         QPixmapCache::clear();
 739         break;
 740
 741     case QEvent::KeyPress:
 742         if (GeneralSettings::useTabForSwitchingSplitView()) {
 743             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 744             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 745                 emit toggleActiveViewRequested();
 746                 return true;
 747             }
 748         }
 749         break;
 750     case QEvent::FocusIn:
 751         if (watched == m_container) {
 752             setActive(true);
 753         }
 754         break;
 755
 756     case QEvent::GraphicsSceneDragEnter:
 757         if (watched == m_view) {
 758             m_dragging = true;
 759             abortTwoClicksRenaming();
 760         }
 761         break;
 762
 763     case QEvent::GraphicsSceneDragLeave:
 764         if (watched == m_view) {
 765             m_dragging = false;
 766         }
 767         break;
 768
 769     case QEvent::GraphicsSceneDrop:
 770         if (watched == m_view) {
 771             m_dragging = false;
 772         }
 773     default:
 774         break;
 775     }
 776
 777     return QWidget::eventFilter(watched, event);
 778 }
 779
 780 void DolphinView::wheelEvent(QWheelEvent* event)
 781 {
 782     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 783         const int numDegrees = event->delta() / 8;
 784         const int numSteps = numDegrees / 15;
 785
 786         setZoomLevel(zoomLevel() + numSteps);
 787         event->accept();
 788     } else {
 789         event->ignore();
 790     }
 791 }
 792
 793 void DolphinView::hideEvent(QHideEvent* event)
 794 {
 795     hideToolTip();
 796     QWidget::hideEvent(event);
 797 }
 798
 799 bool DolphinView::event(QEvent* event)
 800 {
 801     if (event->type() == QEvent::WindowDeactivate) {
 802         /* See Bug 297355
 803          * Dolphin leaves file preview tooltips open even when is not visible.
 804          *
 805          * Hide tool-tip when Dolphin loses focus.
 806          */
 807         hideToolTip();
 808         abortTwoClicksRenaming();
 809     }
 810
 811     return QWidget::event(event);
 812 }
 813
 814 void DolphinView::activate()
 815 {
 816     setActive(true);
 817 }
 818
 819 void DolphinView::slotItemActivated(int index)
 820 {
 821     abortTwoClicksRenaming();
 822
 823     const KFileItem item = m_model->fileItem(index);
 824     if (!item.isNull()) {
 825         emit itemActivated(item);
 826     }
 827 }
 828
 829 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 830 {
 831     Q_ASSERT(indexes.count() >= 2);
 832
 833     abortTwoClicksRenaming();
 834
 835     if (indexes.count() > 5) {
 836         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 837         const int answer = KMessageBox::warningYesNo(this, question);
 838         if (answer != KMessageBox::Yes) {
 839             return;
 840         }
 841     }
 842
 843     KFileItemList items;
 844     items.reserve(indexes.count());
 845
 846     for (int index : indexes) {
 847         KFileItem item = m_model->fileItem(index);
 848         const QUrl& url = openItemAsFolderUrl(item);
 849
 850         if (!url.isEmpty()) { // Open folders in new tabs
 851             emit tabRequested(url);
 852         } else {
 853             items.append(item);
 854         }
 855     }
 856
 857     if (items.count() == 1) {
 858         emit itemActivated(items.first());
 859     } else if (items.count() > 1) {
 860         emit itemsActivated(items);
 861     }
 862 }
 863
 864 void DolphinView::slotItemMiddleClicked(int index)
 865 {
 866     const KFileItem& item = m_model->fileItem(index);
 867     const QUrl& url = openItemAsFolderUrl(item);
 868     if (!url.isEmpty()) {
 869         emit tabRequested(url);
 870     } else if (isTabsForFilesEnabled()) {
 871         emit tabRequested(item.url());
 872     }
 873 }
 874
 875 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 876 {
 877     // Force emit of a selection changed signal before we request the
 878     // context menu, to update the edit-actions first. (See Bug 294013)
 879     if (m_selectionChangedTimer->isActive()) {
 880         emitSelectionChangedSignal();
 881     }
 882
 883     const KFileItem item = m_model->fileItem(index);
 884     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 885 }
 886
 887 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 888 {
 889     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 890 }
 891
 892 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 893 {
 894     ViewProperties props(viewPropertiesUrl());
 895
 896     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
 897
 898     KItemListView* view = m_container->controller()->view();
 899     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 900
 901     bool indexingEnabled = false;
 902 #ifdef HAVE_BALOO
 903     Baloo::IndexerConfig config;
 904     indexingEnabled = config.fileIndexingEnabled();
 905 #endif
 906
 907     QString groupName;
 908     QMenu* groupMenu = nullptr;
 909
 910     // Add all roles to the menu that can be shown or hidden by the user
 911     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 912     foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
 913         if (info.role == "text") {
 914             // It should not be possible to hide the "text" role
 915             continue;
 916         }
 917
 918         const QString text = m_model->roleDescription(info.role);
 919         QAction* action = nullptr;
 920         if (info.group.isEmpty()) {
 921             action = menu->addAction(text);
 922         } else {
 923             if (!groupMenu || info.group != groupName) {
 924                 groupName = info.group;
 925                 groupMenu = menu->addMenu(groupName);
 926             }
 927
 928             action = groupMenu->addAction(text);
 929         }
 930
 931         action->setCheckable(true);
 932         action->setChecked(visibleRolesSet.contains(info.role));
 933         action->setData(info.role);
 934
 935         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
 936                             (info.requiresBaloo) ||
 937                             (info.requiresIndexer && indexingEnabled);
 938         action->setEnabled(enable);
 939     }
 940
 941     menu->addSeparator();
 942
 943     QActionGroup* widthsGroup = new QActionGroup(menu);
 944     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
 945
 946     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
 947     autoAdjustWidthsAction->setCheckable(true);
 948     autoAdjustWidthsAction->setChecked(autoColumnWidths);
 949     autoAdjustWidthsAction->setActionGroup(widthsGroup);
 950
 951     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
 952     customWidthsAction->setCheckable(true);
 953     customWidthsAction->setChecked(!autoColumnWidths);
 954     customWidthsAction->setActionGroup(widthsGroup);
 955
 956     QAction* action = menu->exec(pos.toPoint());
 957     if (menu && action) {
 958         KItemListHeader* header = view->header();
 959
 960         if (action == autoAdjustWidthsAction) {
 961             // Clear the column-widths from the viewproperties and turn on
 962             // the automatic resizing of the columns
 963             props.setHeaderColumnWidths(QList<int>());
 964             header->setAutomaticColumnResizing(true);
 965         } else if (action == customWidthsAction) {
 966             // Apply the current column-widths as custom column-widths and turn
 967             // off the automatic resizing of the columns
 968             QList<int> columnWidths;
 969             columnWidths.reserve(view->visibleRoles().count());
 970             foreach (const QByteArray& role, view->visibleRoles()) {
 971                 columnWidths.append(header->columnWidth(role));
 972             }
 973             props.setHeaderColumnWidths(columnWidths);
 974             header->setAutomaticColumnResizing(false);
 975         } else {
 976             // Show or hide the selected role
 977             const QByteArray selectedRole = action->data().toByteArray();
 978
 979             QList<QByteArray> visibleRoles = view->visibleRoles();
 980             if (action->isChecked()) {
 981                 visibleRoles.append(selectedRole);
 982             } else {
 983                 visibleRoles.removeOne(selectedRole);
 984             }
 985
 986             view->setVisibleRoles(visibleRoles);
 987             props.setVisibleRoles(visibleRoles);
 988
 989             QList<int> columnWidths;
 990             if (!header->automaticColumnResizing()) {
 991                 columnWidths.reserve(view->visibleRoles().count());
 992                 foreach (const QByteArray& role, view->visibleRoles()) {
 993                     columnWidths.append(header->columnWidth(role));
 994                 }
 995             }
 996             props.setHeaderColumnWidths(columnWidths);
 997         }
 998     }
 999
1000     delete menu;
1001 }
1002
1003 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current)
1004 {
1005     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1006
1007     ViewProperties props(viewPropertiesUrl());
1008     QList<int> columnWidths = props.headerColumnWidths();
1009     if (columnWidths.count() != visibleRoles.count()) {
1010         columnWidths.clear();
1011         columnWidths.reserve(visibleRoles.count());
1012         const KItemListHeader* header = m_view->header();
1013         foreach (const QByteArray& role, visibleRoles) {
1014             const int width = header->columnWidth(role);
1015             columnWidths.append(width);
1016         }
1017     }
1018
1019     const int roleIndex = visibleRoles.indexOf(role);
1020     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1021     columnWidths[roleIndex] = current;
1022
1023     props.setHeaderColumnWidths(columnWidths);
1024 }
1025
1026 void DolphinView::slotItemHovered(int index)
1027 {
1028     const KFileItem item = m_model->fileItem(index);
1029
1030     if (GeneralSettings::showToolTips() && !m_dragging) {
1031         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1032         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1033         itemRect.moveTo(pos);
1034
1035 #ifdef HAVE_BALOO
1036         m_toolTipManager->showToolTip(item, itemRect, nativeParentWidget()->windowHandle());
1037 #endif
1038     }
1039
1040     emit requestItemInfo(item);
1041 }
1042
1043 void DolphinView::slotItemUnhovered(int index)
1044 {
1045     Q_UNUSED(index);
1046     hideToolTip();
1047     emit requestItemInfo(KFileItem());
1048 }
1049
1050 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1051 {
1052     QUrl destUrl;
1053     KFileItem destItem = m_model->fileItem(index);
1054     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1055         // Use the URL of the view as drop target if the item is no directory
1056         // or desktop-file
1057         destItem = m_model->rootItem();
1058         destUrl = url();
1059     } else {
1060         // The item represents a directory or desktop-file
1061         destUrl = destItem.mostLocalUrl();
1062     }
1063
1064     QDropEvent dropEvent(event->pos().toPoint(),
1065                          event->possibleActions(),
1066                          event->mimeData(),
1067                          event->buttons(),
1068                          event->modifiers());
1069     dropUrls(destUrl, &dropEvent, this);
1070
1071     setActive(true);
1072 }
1073
1074 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1075 {
1076     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1077
1078     if (job) {
1079         connect(job, &KIO::DropJob::result, this, &DolphinView::slotPasteJobResult);
1080
1081         if (destUrl == url()) {
1082             // Mark the dropped urls as selected.
1083             m_clearSelectionBeforeSelectingNewItems = true;
1084             m_markFirstNewlySelectedItemAsCurrent = true;
1085             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1086         }
1087     }
1088 }
1089
1090 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1091 {
1092     if (previous != nullptr) {
1093         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1094         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1095         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1096         m_versionControlObserver->setModel(nullptr);
1097     }
1098
1099     if (current) {
1100         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1101         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1102         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1103         m_versionControlObserver->setModel(fileItemModel);
1104     }
1105 }
1106
1107 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1108 {
1109     Q_UNUSED(itemIndex);
1110
1111     hideToolTip();
1112
1113     if (buttons & Qt::BackButton) {
1114         emit goBackRequested();
1115     } else if (buttons & Qt::ForwardButton) {
1116         emit goForwardRequested();
1117     }
1118 }
1119
1120 void DolphinView::slotSelectedItemTextPressed(int index)
1121 {
1122     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1123         const KFileItem item = m_model->fileItem(index);
1124         const KFileItemListProperties capabilities(KFileItemList() << item);
1125         if (capabilities.supportsMoving()) {
1126             m_twoClicksRenamingItemUrl = item.url();
1127             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1128         }
1129     }
1130 }
1131
1132 void DolphinView::slotItemCreated(const QUrl& url)
1133 {
1134     if (m_markFirstNewlySelectedItemAsCurrent) {
1135         markUrlAsCurrent(url);
1136         m_markFirstNewlySelectedItemAsCurrent = false;
1137     }
1138     m_selectedUrls << url;
1139 }
1140
1141 void DolphinView::slotPasteJobResult(KJob *job)
1142 {
1143     if (job->error()) {
1144         emit errorMessage(job->errorString());
1145     }
1146     if (!m_selectedUrls.isEmpty()) {
1147         m_selectedUrls << KDirModel::simplifiedUrlList(m_selectedUrls);
1148     }
1149 }
1150
1151 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1152 {
1153     const int currentCount = current.count();
1154     const int previousCount = previous.count();
1155     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1156                                        (currentCount >  0 && previousCount == 0);
1157
1158     // If nothing has been selected before and something got selected (or if something
1159     // was selected before and now nothing is selected) the selectionChangedSignal must
1160     // be emitted asynchronously as fast as possible to update the edit-actions.
1161     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1162     m_selectionChangedTimer->start();
1163 }
1164
1165 void DolphinView::emitSelectionChangedSignal()
1166 {
1167     m_selectionChangedTimer->stop();
1168     emit selectionChanged(selectedItems());
1169 }
1170
1171 void DolphinView::updateSortRole(const QByteArray& role)
1172 {
1173     ViewProperties props(viewPropertiesUrl());
1174     props.setSortRole(role);
1175
1176     KItemModelBase* model = m_container->controller()->model();
1177     model->setSortRole(role);
1178
1179     emit sortRoleChanged(role);
1180 }
1181
1182 void DolphinView::updateSortOrder(Qt::SortOrder order)
1183 {
1184     ViewProperties props(viewPropertiesUrl());
1185     props.setSortOrder(order);
1186
1187     m_model->setSortOrder(order);
1188
1189     emit sortOrderChanged(order);
1190 }
1191
1192 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1193 {
1194     ViewProperties props(viewPropertiesUrl());
1195     props.setSortFoldersFirst(foldersFirst);
1196
1197     m_model->setSortDirectoriesFirst(foldersFirst);
1198
1199     emit sortFoldersFirstChanged(foldersFirst);
1200 }
1201
1202 QPair<bool, QString> DolphinView::pasteInfo() const
1203 {
1204     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1205     QPair<bool, QString> info;
1206     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1207     return info;
1208 }
1209
1210 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1211 {
1212     m_tabsForFiles = tabsForFiles;
1213 }
1214
1215 bool DolphinView::isTabsForFilesEnabled() const
1216 {
1217     return m_tabsForFiles;
1218 }
1219
1220 bool DolphinView::itemsExpandable() const
1221 {
1222     return m_mode == DetailsView;
1223 }
1224
1225 void DolphinView::restoreState(QDataStream& stream)
1226 {
1227     // Read the version number of the view state and check if the version is supported.
1228     quint32 version = 0;
1229     stream >> version;
1230     if (version != 1) {
1231         // The version of the view state isn't supported, we can't restore it.
1232         return;
1233     }
1234
1235     // Restore the current item that had the keyboard focus
1236     stream >> m_currentItemUrl;
1237
1238     // Restore the previously selected items
1239     stream >> m_selectedUrls;
1240
1241     // Restore the view position
1242     stream >> m_restoredContentsPosition;
1243
1244     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1245     QSet<QUrl> urls;
1246     stream >> urls;
1247     m_model->restoreExpandedDirectories(urls);
1248 }
1249
1250 void DolphinView::saveState(QDataStream& stream)
1251 {
1252     stream << quint32(1); // View state version
1253
1254     // Save the current item that has the keyboard focus
1255     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1256     if (currentIndex != -1) {
1257         KFileItem item = m_model->fileItem(currentIndex);
1258         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1259         QUrl currentItemUrl = item.url();
1260         stream << currentItemUrl;
1261     } else {
1262         stream << QUrl();
1263     }
1264
1265     // Save the selected urls
1266     stream << selectedItems().urlList();
1267
1268     // Save view position
1269     const qreal x = m_container->horizontalScrollBar()->value();
1270     const qreal y = m_container->verticalScrollBar()->value();
1271     stream << QPoint(x, y);
1272
1273     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1274     stream << m_model->expandedDirectories();
1275 }
1276
1277 KFileItem DolphinView::rootItem() const
1278 {
1279     return m_model->rootItem();
1280 }
1281
1282 void DolphinView::setViewPropertiesContext(const QString& context)
1283 {
1284     m_viewPropertiesContext = context;
1285 }
1286
1287 QString DolphinView::viewPropertiesContext() const
1288 {
1289     return m_viewPropertiesContext;
1290 }
1291
1292 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1293 {
1294     if (item.isNull()) {
1295         return QUrl();
1296     }
1297
1298     QUrl url = item.targetUrl();
1299
1300     if (item.isDir()) {
1301         return url;
1302     }
1303
1304     if (item.isMimeTypeKnown()) {
1305         const QString& mimetype = item.mimetype();
1306
1307         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1308             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1309             // zip:/<path>/ when clicking on a zip file, etc.
1310             // The .protocol file specifies the mimetype that the kioslave handles.
1311             // Note that we don't use mimetype inheritance since we don't want to
1312             // open OpenDocument files as zip folders...
1313             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1314             if (!protocol.isEmpty()) {
1315                 url.setScheme(protocol);
1316                 return url;
1317             }
1318         }
1319
1320         if (mimetype == QLatin1String("application/x-desktop")) {
1321             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1322             KDesktopFile desktopFile(url.toLocalFile());
1323             if (desktopFile.hasLinkType()) {
1324                 const QString linkUrl = desktopFile.readUrl();
1325                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1326                     return QUrl::fromUserInput(linkUrl);
1327                 }
1328             }
1329         }
1330     }
1331
1332     return QUrl();
1333 }
1334
1335 void DolphinView::observeCreatedItem(const QUrl& url)
1336 {
1337     if (m_active) {
1338         forceUrlsSelection(url, {url});
1339     }
1340 }
1341
1342 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1343 {
1344     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1345         emit redirection(oldUrl, newUrl);
1346         m_url = newUrl; // #186947
1347     }
1348 }
1349
1350 void DolphinView::updateViewState()
1351 {
1352     if (m_currentItemUrl != QUrl()) {
1353         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1354
1355         // if there is a selection already, leave it that way
1356         if (!selectionManager->hasSelection()) {
1357             const int currentIndex = m_model->index(m_currentItemUrl);
1358             if (currentIndex != -1) {
1359                 selectionManager->setCurrentItem(currentIndex);
1360
1361                 // scroll to current item and reset the state
1362                 if (m_scrollToCurrentItem) {
1363                     m_view->scrollToItem(currentIndex);
1364                     m_scrollToCurrentItem = false;
1365                 }
1366             } else {
1367                 selectionManager->setCurrentItem(0);
1368             }
1369         }
1370
1371         m_currentItemUrl = QUrl();
1372     }
1373
1374     if (!m_restoredContentsPosition.isNull()) {
1375         const int x = m_restoredContentsPosition.x();
1376         const int y = m_restoredContentsPosition.y();
1377         m_restoredContentsPosition = QPoint();
1378
1379         m_container->horizontalScrollBar()->setValue(x);
1380         m_container->verticalScrollBar()->setValue(y);
1381     }
1382
1383     if (!m_selectedUrls.isEmpty()) {
1384         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1385
1386         // if there is a selection already, leave it that way
1387         if (!selectionManager->hasSelection()) {
1388             if (m_clearSelectionBeforeSelectingNewItems) {
1389                 selectionManager->clearSelection();
1390                 m_clearSelectionBeforeSelectingNewItems = false;
1391             }
1392
1393             KItemSet selectedItems = selectionManager->selectedItems();
1394
1395             QList<QUrl>::iterator it = m_selectedUrls.begin();
1396             while (it != m_selectedUrls.end()) {
1397                 const int index = m_model->index(*it);
1398                 if (index >= 0) {
1399                     selectedItems.insert(index);
1400                     it = m_selectedUrls.erase(it);
1401                 } else {
1402                     ++it;
1403                 }
1404             }
1405
1406             selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1407             selectionManager->setSelectedItems(selectedItems);
1408         }
1409     }
1410 }
1411
1412 void DolphinView::hideToolTip()
1413 {
1414 #ifdef HAVE_BALOO
1415     if (GeneralSettings::showToolTips()) {
1416         m_toolTipManager->hideToolTip();
1417     }
1418 #endif
1419 }
1420
1421 void DolphinView::calculateItemCount(int& fileCount,
1422                                      int& folderCount,
1423                                      KIO::filesize_t& totalFileSize) const
1424 {
1425     const int itemCount = m_model->count();
1426     for (int i = 0; i < itemCount; ++i) {
1427         const KFileItem item = m_model->fileItem(i);
1428         if (item.isDir()) {
1429             ++folderCount;
1430         } else {
1431             ++fileCount;
1432             totalFileSize += item.size();
1433         }
1434     }
1435 }
1436
1437 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1438 {
1439     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1440
1441     // verify that only one item is selected
1442     if (selectionManager->selectedItems().count() == 1) {
1443         const int index = selectionManager->currentItem();
1444         const QUrl fileItemUrl = m_model->fileItem(index).url();
1445
1446         // check if the selected item was the same item that started the twoClicksRenaming
1447         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1448             renameSelectedItems();
1449         }
1450     }
1451 }
1452
1453 void DolphinView::slotTrashFileFinished(KJob* job)
1454 {
1455     if (job->error() == 0) {
1456         emit operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1457     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1458         emit errorMessage(job->errorString());
1459     }
1460 }
1461
1462 void DolphinView::slotDeleteFileFinished(KJob* job)
1463 {
1464     if (job->error() == 0) {
1465         emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1466     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1467         emit errorMessage(job->errorString());
1468     }
1469 }
1470
1471 void DolphinView::slotRenamingResult(KJob* job)
1472 {
1473     if (job->error()) {
1474         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1475         Q_ASSERT(copyJob);
1476         const QUrl newUrl = copyJob->destUrl();
1477         const int index = m_model->index(newUrl);
1478         if (index >= 0) {
1479             QHash<QByteArray, QVariant> data;
1480             const QUrl oldUrl = copyJob->srcUrls().at(0);
1481             data.insert("text", oldUrl.fileName());
1482             m_model->setData(index, data);
1483         }
1484     }
1485 }
1486
1487 void DolphinView::slotDirectoryLoadingStarted()
1488 {
1489     // Disable the writestate temporary until it can be determined in a fast way
1490     // in DolphinView::slotDirectoryLoadingCompleted()
1491     if (m_isFolderWritable) {
1492         m_isFolderWritable = false;
1493         emit writeStateChanged(m_isFolderWritable);
1494     }
1495
1496     emit directoryLoadingStarted();
1497 }
1498
1499 void DolphinView::slotDirectoryLoadingCompleted()
1500 {
1501     // Update the view-state. This has to be done asynchronously
1502     // because the view might not be in its final state yet.
1503     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1504
1505     emit directoryLoadingCompleted();
1506
1507     updateWritableState();
1508 }
1509
1510 void DolphinView::slotItemsChanged()
1511 {
1512     m_assureVisibleCurrentIndex = false;
1513 }
1514
1515 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1516 {
1517     Q_UNUSED(previous);
1518     Q_ASSERT(m_model->sortOrder() == current);
1519
1520     ViewProperties props(viewPropertiesUrl());
1521     props.setSortOrder(current);
1522
1523     emit sortOrderChanged(current);
1524 }
1525
1526 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1527 {
1528     Q_UNUSED(previous);
1529     Q_ASSERT(m_model->sortRole() == current);
1530
1531     ViewProperties props(viewPropertiesUrl());
1532     props.setSortRole(current);
1533
1534     emit sortRoleChanged(current);
1535 }
1536
1537 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1538                                                   const QList<QByteArray>& previous)
1539 {
1540     Q_UNUSED(previous);
1541     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1542
1543     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1544
1545     m_visibleRoles = current;
1546
1547     ViewProperties props(viewPropertiesUrl());
1548     props.setVisibleRoles(m_visibleRoles);
1549
1550     emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1551 }
1552
1553 void DolphinView::slotRoleEditingCanceled()
1554 {
1555     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1556                this, &DolphinView::slotRoleEditingFinished);
1557 }
1558
1559 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1560 {
1561     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1562                this, &DolphinView::slotRoleEditingFinished);
1563
1564     if (index < 0 || index >= m_model->count()) {
1565         return;
1566     }
1567
1568     if (role == "text") {
1569         const KFileItem oldItem = m_model->fileItem(index);
1570         const QString newName = value.toString();
1571         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1572             const QUrl oldUrl = oldItem.url();
1573
1574             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1575             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1576
1577 #ifndef Q_OS_WIN
1578             //Confirm hiding file/directory by renaming inline
1579             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1580                 KGuiItem yesGuiItem(KStandardGuiItem::yes());
1581                 yesGuiItem.setText(i18nc("@action:button", "Rename and Hide"));
1582
1583                 const auto code = KMessageBox::questionYesNo(this,
1584                                                              oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1585                                                                                      "Do you still want to rename it?")
1586                                                                               : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1587                                                                                      "Do you still want to rename it?"),
1588                                                              oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
1589                                                              yesGuiItem,
1590                                                              KStandardGuiItem::cancel(),
1591                                                              QStringLiteral("ConfirmHide")
1592                                                             );
1593
1594                 if (code == KMessageBox::No) {
1595                    return;
1596                 }
1597             }
1598 #endif
1599
1600             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1601             if (!newNameExistsAlready) {
1602                 // Only change the data in the model if no item with the new name
1603                 // is in the model yet. If there is an item with the new name
1604                 // already, calling KIO::CopyJob will open a dialog
1605                 // asking for a new name, and KFileItemModel will update the
1606                 // data when the dir lister signals that the file name has changed.
1607                 QHash<QByteArray, QVariant> data;
1608                 data.insert(role, value);
1609                 m_model->setData(index, data);
1610             }
1611
1612             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1613             KJobWidgets::setWindow(job, this);
1614             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1615             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
1616
1617             forceUrlsSelection(newUrl, {newUrl});
1618
1619             if (!newNameExistsAlready) {
1620                 // Only connect the result signal if there is no item with the new name
1621                 // in the model yet, see bug 328262.
1622                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1623             }
1624         }
1625     }
1626 }
1627
1628 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1629 {
1630     if (!url.isValid()) {
1631         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1632         if (location.isEmpty()) {
1633             emit errorMessage(i18nc("@info:status", "The location is empty."));
1634         } else {
1635             emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1636         }
1637         return;
1638     }
1639
1640     if (reload) {
1641         m_model->refreshDirectory(url);
1642     } else {
1643         m_model->loadDirectory(url);
1644     }
1645 }
1646
1647 void DolphinView::applyViewProperties()
1648 {
1649     const ViewProperties props(viewPropertiesUrl());
1650     applyViewProperties(props);
1651 }
1652
1653 void DolphinView::applyViewProperties(const ViewProperties& props)
1654 {
1655     m_view->beginTransaction();
1656
1657     const Mode mode = props.viewMode();
1658     if (m_mode != mode) {
1659         const Mode previousMode = m_mode;
1660         m_mode = mode;
1661
1662         // Changing the mode might result in changing
1663         // the zoom level. Remember the old zoom level so
1664         // that zoomLevelChanged() can get emitted.
1665         const int oldZoomLevel = m_view->zoomLevel();
1666         applyModeToView();
1667
1668         emit modeChanged(m_mode, previousMode);
1669
1670         if (m_view->zoomLevel() != oldZoomLevel) {
1671             emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1672         }
1673     }
1674
1675     const bool hiddenFilesShown = props.hiddenFilesShown();
1676     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1677         m_model->setShowHiddenFiles(hiddenFilesShown);
1678         emit hiddenFilesShownChanged(hiddenFilesShown);
1679     }
1680
1681     const bool groupedSorting = props.groupedSorting();
1682     if (groupedSorting != m_model->groupedSorting()) {
1683         m_model->setGroupedSorting(groupedSorting);
1684         emit groupedSortingChanged(groupedSorting);
1685     }
1686
1687     const QByteArray sortRole = props.sortRole();
1688     if (sortRole != m_model->sortRole()) {
1689         m_model->setSortRole(sortRole);
1690         emit sortRoleChanged(sortRole);
1691     }
1692
1693     const Qt::SortOrder sortOrder = props.sortOrder();
1694     if (sortOrder != m_model->sortOrder()) {
1695         m_model->setSortOrder(sortOrder);
1696         emit sortOrderChanged(sortOrder);
1697     }
1698
1699     const bool sortFoldersFirst = props.sortFoldersFirst();
1700     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1701         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1702         emit sortFoldersFirstChanged(sortFoldersFirst);
1703     }
1704
1705     const QList<QByteArray> visibleRoles = props.visibleRoles();
1706     if (visibleRoles != m_visibleRoles) {
1707         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1708         m_visibleRoles = visibleRoles;
1709         m_view->setVisibleRoles(visibleRoles);
1710         emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1711     }
1712
1713     const bool previewsShown = props.previewsShown();
1714     if (previewsShown != m_view->previewsShown()) {
1715         const int oldZoomLevel = zoomLevel();
1716
1717         m_view->setPreviewsShown(previewsShown);
1718         emit previewsShownChanged(previewsShown);
1719
1720         // Changing the preview-state might result in a changed zoom-level
1721         if (oldZoomLevel != zoomLevel()) {
1722             emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
1723         }
1724     }
1725
1726     KItemListView* itemListView = m_container->controller()->view();
1727     if (itemListView->isHeaderVisible()) {
1728         KItemListHeader* header = itemListView->header();
1729         const QList<int> headerColumnWidths = props.headerColumnWidths();
1730         const int rolesCount = m_visibleRoles.count();
1731         if (headerColumnWidths.count() == rolesCount) {
1732             header->setAutomaticColumnResizing(false);
1733
1734             QHash<QByteArray, qreal> columnWidths;
1735             for (int i = 0; i < rolesCount; ++i) {
1736                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1737             }
1738             header->setColumnWidths(columnWidths);
1739         } else {
1740             header->setAutomaticColumnResizing(true);
1741         }
1742     }
1743
1744     m_view->endTransaction();
1745 }
1746
1747 void DolphinView::applyModeToView()
1748 {
1749     switch (m_mode) {
1750     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1751     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1752     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1753     default: Q_ASSERT(false); break;
1754     }
1755 }
1756
1757 void DolphinView::pasteToUrl(const QUrl& url)
1758 {
1759     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1760     KJobWidgets::setWindow(job, this);
1761     m_clearSelectionBeforeSelectingNewItems = true;
1762     m_markFirstNewlySelectedItemAsCurrent = true;
1763     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1764     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotPasteJobResult);
1765 }
1766
1767 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1768 {
1769     QList<QUrl> urls;
1770
1771     const KFileItemList items = selectedItems();
1772     urls.reserve(items.count());
1773     foreach (const KFileItem& item, items) {
1774         urls.append(item.url());
1775     }
1776
1777     if (itemsExpandable()) {
1778         // TODO: Check if we still need KDirModel for this in KDE 5.0
1779         urls = KDirModel::simplifiedUrlList(urls);
1780     }
1781
1782     return urls;
1783 }
1784
1785 QMimeData* DolphinView::selectionMimeData() const
1786 {
1787     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1788     const KItemSet selectedIndexes = selectionManager->selectedItems();
1789
1790     return m_model->createMimeData(selectedIndexes);
1791 }
1792
1793 void DolphinView::updateWritableState()
1794 {
1795     const bool wasFolderWritable = m_isFolderWritable;
1796     m_isFolderWritable = false;
1797
1798     KFileItem item = m_model->rootItem();
1799     if (item.isNull()) {
1800         // Try to find out if the URL is writable even if the "root item" is
1801         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1802         item = KFileItem(url());
1803         item.setDelayedMimeTypes(true);
1804     }
1805
1806     KFileItemListProperties capabilities(KFileItemList() << item);
1807     m_isFolderWritable = capabilities.supportsWriting();
1808
1809     if (m_isFolderWritable != wasFolderWritable) {
1810         emit writeStateChanged(m_isFolderWritable);
1811     }
1812 }
1813
1814 QUrl DolphinView::viewPropertiesUrl() const
1815 {
1816     if (m_viewPropertiesContext.isEmpty()) {
1817         return m_url;
1818     }
1819
1820     QUrl url;
1821     url.setScheme(m_url.scheme());
1822     url.setPath(m_viewPropertiesContext);
1823     return url;
1824 }
1825
1826 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl>& urls)
1827 {
1828     forceUrlsSelection(urls.first(), urls);
1829 }
1830
1831 void DolphinView::forceUrlsSelection(const QUrl& current, const QList<QUrl>& selected)
1832 {
1833     clearSelection();
1834     m_clearSelectionBeforeSelectingNewItems = true;
1835     markUrlAsCurrent(current);
1836     markUrlsAsSelected(selected);
1837 }