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