src/views/dolphinviewactionhandler.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2008 David Faure <faure@kde.org>
   3  * SPDX-FileCopyrightText: 2012 Peter Penz <peter.penz19@gmail.com>
   4  *
   5  * SPDX-License-Identifier: GPL-2.0-or-later
   6  */
   7
   8 #include "dolphinviewactionhandler.h"
   9
  10 #include "kitemviews/kfileitemlisttostring.h"
  11 #include "kitemviews/kfileitemmodel.h"
  12 #include "selectionmode/actiontexthelper.h"
  13 #include "settings/viewpropertiesdialog.h"
  14 #include "views/zoomlevelinfo.h"
  15
  16 #if HAVE_BALOO
  17 #include <Baloo/IndexerConfig>
  18 #endif
  19 #include <KActionCollection>
  20 #include <KActionMenu>
  21 #include <KFileItemListProperties>
  22 #include <KLocalizedString>
  23 #include <KNewFileMenu>
  24 #include <KPropertiesDialog>
  25 #include <KProtocolManager>
  26
  27 #include <QActionGroup>
  28 #include <QMenu>
  29 #include <QPointer>
  30
  31 DolphinViewActionHandler::DolphinViewActionHandler(KActionCollection *collection, SelectionMode::ActionTextHelper *actionTextHelper, QObject *parent)
  32     : QObject(parent)
  33     , m_actionCollection(collection)
  34     , m_currentView(nullptr)
  35     , m_sortByActions()
  36     , m_visibleRoles()
  37 {
  38     Q_ASSERT(m_actionCollection);
  39     createActions(actionTextHelper);
  40 }
  41
  42 void DolphinViewActionHandler::setCurrentView(DolphinView *view)
  43 {
  44     Q_ASSERT(view);
  45
  46     if (m_currentView) {
  47         disconnect(m_currentView, nullptr, this, nullptr);
  48     }
  49
  50     m_currentView = view;
  51
  52     connect(view, &DolphinView::modeChanged, this, &DolphinViewActionHandler::updateViewActions);
  53     connect(view, &DolphinView::previewsShownChanged, this, &DolphinViewActionHandler::slotPreviewsShownChanged);
  54     connect(view, &DolphinView::sortOrderChanged, this, &DolphinViewActionHandler::slotSortOrderChanged);
  55     connect(view, &DolphinView::sortFoldersFirstChanged, this, &DolphinViewActionHandler::slotSortFoldersFirstChanged);
  56     connect(view, &DolphinView::sortHiddenLastChanged, this, &DolphinViewActionHandler::slotSortHiddenLastChanged);
  57     connect(view, &DolphinView::visibleRolesChanged, this, &DolphinViewActionHandler::slotVisibleRolesChanged);
  58     connect(view, &DolphinView::groupedSortingChanged, this, &DolphinViewActionHandler::slotGroupedSortingChanged);
  59     connect(view, &DolphinView::hiddenFilesShownChanged, this, &DolphinViewActionHandler::slotHiddenFilesShownChanged);
  60     connect(view, &DolphinView::sortRoleChanged, this, &DolphinViewActionHandler::slotSortRoleChanged);
  61     connect(view, &DolphinView::zoomLevelChanged, this, &DolphinViewActionHandler::slotZoomLevelChanged);
  62     connect(view, &DolphinView::writeStateChanged, this, &DolphinViewActionHandler::slotWriteStateChanged);
  63     slotWriteStateChanged(view->isFolderWritable());
  64     connect(view, &DolphinView::selectionModeChangeRequested, this, [this](bool enabled) {
  65         Q_EMIT selectionModeChangeTriggered(enabled);
  66     });
  67     connect(view, &DolphinView::selectionChanged, this, &DolphinViewActionHandler::slotSelectionChanged);
  68     slotSelectionChanged(m_currentView->selectedItems());
  69 }
  70
  71 DolphinView *DolphinViewActionHandler::currentView()
  72 {
  73     return m_currentView;
  74 }
  75
  76 void DolphinViewActionHandler::createActions(SelectionMode::ActionTextHelper *actionTextHelper)
  77 {
  78     // This action doesn't appear in the GUI, it's for the shortcut only.
  79     // KNewFileMenu takes care of the GUI stuff.
  80     QAction *newDirAction = m_actionCollection->addAction(QStringLiteral("create_dir"));
  81     newDirAction->setText(i18nc("@action", "Create Folder…"));
  82     m_actionCollection->setDefaultShortcuts(newDirAction, KStandardShortcut::createFolder());
  83     newDirAction->setIcon(QIcon::fromTheme(QStringLiteral("folder-new")));
  84     newDirAction->setEnabled(false); // Will be enabled in slotWriteStateChanged(bool) if the current URL is writable
  85     connect(newDirAction, &QAction::triggered, this, &DolphinViewActionHandler::createDirectoryTriggered);
  86
  87     QAction *newFileAction = m_actionCollection->addAction(QStringLiteral("create_file"));
  88     newFileAction->setText(i18nc("@action", "Create File…"));
  89     newFileAction->setIcon(QIcon::fromTheme(QStringLiteral("document-new")));
  90     newFileAction->setEnabled(false); // Will be enabled in slotWriteStateChanged(bool) if the current URL is writable
  91     connect(newFileAction, &QAction::triggered, this, &DolphinViewActionHandler::createFileTriggered);
  92
  93     // File menu
  94
  95     auto renameAction = KStandardAction::renameFile(this, &DolphinViewActionHandler::slotRename, m_actionCollection);
  96     renameAction->setWhatsThis(xi18nc("@info:whatsthis",
  97                                       "This renames the "
  98                                       "items in your current selection.<nl/>Renaming multiple items "
  99                                       "at once results in their new names differing only in a number."));
 100
 101     auto trashAction = KStandardAction::moveToTrash(this, &DolphinViewActionHandler::slotTrashActivated, m_actionCollection);
 102     auto trashShortcuts = trashAction->shortcuts();
 103     trashAction->setAutoRepeat(false);
 104     if (!trashShortcuts.contains(QKeySequence::Delete)) {
 105         trashShortcuts.append(QKeySequence::Delete);
 106         m_actionCollection->setDefaultShortcuts(trashAction, trashShortcuts);
 107     }
 108     trashAction->setWhatsThis(xi18nc("@info:whatsthis",
 109                                      "This moves the "
 110                                      "items in your current selection to the <filename>Trash"
 111                                      "</filename>.<nl/>The trash is a temporary storage location where "
 112                                      "items can be deleted later if disk space is needed."));
 113
 114     auto deleteAction = KStandardAction::deleteFile(this, &DolphinViewActionHandler::slotDeleteItems, m_actionCollection);
 115     auto deleteShortcuts = deleteAction->shortcuts();
 116     deleteAction->setAutoRepeat(false);
 117     if (!deleteShortcuts.contains(Qt::SHIFT | Qt::Key_Delete)) {
 118         deleteShortcuts.append(Qt::SHIFT | Qt::Key_Delete);
 119         m_actionCollection->setDefaultShortcuts(deleteAction, deleteShortcuts);
 120     }
 121     deleteAction->setWhatsThis(xi18nc("@info:whatsthis",
 122                                       "This deletes "
 123                                       "the items in your current selection permanently. They "
 124                                       "cannot be recovered by normal means."));
 125
 126     // This action is useful for being enabled when KStandardAction::MoveToTrash should be
 127     // disabled and KStandardAction::DeleteFile is enabled (e.g. non-local files), so that Key_Del
 128     // can be used for deleting the file (#76016). It needs to be a separate action
 129     // so that the Edit menu isn't affected.
 130     QAction *deleteWithTrashShortcut = m_actionCollection->addAction(QStringLiteral("delete_shortcut"));
 131     // The descriptive text is just for the shortcuts editor.
 132     deleteWithTrashShortcut->setText(i18nc("@action \"Move to Trash\" for non-local files, etc.", "Delete (using shortcut for Trash)"));
 133     m_actionCollection->setDefaultShortcuts(deleteWithTrashShortcut, KStandardShortcut::moveToTrash());
 134     deleteWithTrashShortcut->setEnabled(false);
 135     connect(deleteWithTrashShortcut, &QAction::triggered, this, &DolphinViewActionHandler::slotDeleteItems);
 136
 137     QAction *duplicateAction = m_actionCollection->addAction(QStringLiteral("duplicate"));
 138     duplicateAction->setText(i18nc("@action:inmenu File", "Duplicate Here"));
 139     duplicateAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-duplicate")));
 140     m_actionCollection->setDefaultShortcut(duplicateAction, Qt::CTRL | Qt::Key_D);
 141     duplicateAction->setEnabled(false);
 142     connect(duplicateAction, &QAction::triggered, this, &DolphinViewActionHandler::slotDuplicate);
 143
 144     QAction *propertiesAction = m_actionCollection->addAction(QStringLiteral("properties"));
 145     // Well, it's the File menu in dolphinmainwindow and the Edit menu in dolphinpart... :)
 146     propertiesAction->setText(i18nc("@action:inmenu File", "Properties"));
 147     propertiesAction->setWhatsThis(xi18nc("@info:whatsthis properties",
 148                                           "This shows a complete list of properties of the currently "
 149                                           "selected items in a new window.<nl/>If nothing is selected the "
 150                                           "window will be about the currently viewed folder instead.<nl/>"
 151                                           "You can configure advanced options there like managing "
 152                                           "read- and write-permissions."));
 153     propertiesAction->setIcon(QIcon::fromTheme(QStringLiteral("document-properties")));
 154     m_actionCollection->setDefaultShortcuts(propertiesAction, {Qt::ALT | Qt::Key_Return, Qt::ALT | Qt::Key_Enter});
 155     connect(propertiesAction, &QAction::triggered, this, &DolphinViewActionHandler::slotProperties);
 156
 157     QAction *copyPathAction = m_actionCollection->addAction(QStringLiteral("copy_location"));
 158     copyPathAction->setText(i18nc("@action:incontextmenu", "Copy Location"));
 159     copyPathAction->setWhatsThis(i18nc("@info:whatsthis copy_location", "This will copy the path of the first selected item into the clipboard."));
 160
 161     copyPathAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-copy-path")));
 162     m_actionCollection->setDefaultShortcuts(copyPathAction, {Qt::CTRL | Qt::ALT | Qt::Key_C});
 163     connect(copyPathAction, &QAction::triggered, this, &DolphinViewActionHandler::slotCopyPath);
 164
 165     if (actionTextHelper) {
 166         // The "…" at the end make clear that they won't trigger their respective actions directly.
 167         actionTextHelper->registerTextWhenNothingIsSelected(trashAction, i18nc("@action:inmenu File", "Move to Trash…"));
 168         actionTextHelper->registerTextWhenNothingIsSelected(deleteAction, i18nc("@action:inmenu File", "Delete…"));
 169         actionTextHelper->registerTextWhenNothingIsSelected(duplicateAction, i18nc("@action:inmenu File", "Duplicate Here…"));
 170         actionTextHelper->registerTextWhenNothingIsSelected(copyPathAction, i18nc("@action:incontextmenu", "Copy Location…"));
 171     }
 172
 173     // This menu makes sure that users who don't know how to open a context menu and haven't
 174     // figured out how to enable the menu bar can still perform basic file manipulation.
 175     // This only works if they know how to select a file.
 176     // The text when nothing is selected at least implies that a selection can /somehow/ be made.
 177     // This menu is by default only used in the hamburger menu but created here so users can put
 178     // it on their toolbar.
 179     KActionMenu *basicActionsMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("basic_actions"), this);
 180     // The text is set later depending on the selection in the currently active view.
 181     basicActionsMenu->setPopupMode(QToolButton::InstantPopup);
 182     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::Cut)));
 183     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::Copy)));
 184     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::Paste)));
 185     basicActionsMenu->addSeparator();
 186     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::RenameFile)));
 187     basicActionsMenu->addAction(m_actionCollection->action(KStandardAction::name(KStandardAction::MoveToTrash)));
 188     basicActionsMenu->addSeparator();
 189     basicActionsMenu->addAction(m_actionCollection->action(QStringLiteral("properties")));
 190     basicActionsMenu->addSeparator(); // We add one more separator because we sometimes add contextual
 191                                       // actions in slotSelectionChanged() after the static ones above.
 192
 193     // View menu
 194     KToggleAction *iconsAction = iconsModeAction();
 195     KToggleAction *compactAction = compactModeAction();
 196     KToggleAction *detailsAction = detailsModeAction();
 197
 198     iconsAction->setWhatsThis(xi18nc("@info:whatsthis Icons view mode",
 199                                      "<para>This switches to a view mode that focuses on the folder "
 200                                      "and file icons. This mode makes it easy to distinguish folders "
 201                                      "from files and to detect items with distinctive <emphasis>"
 202                                      "file types</emphasis>.</para><para> This mode is handy to "
 203                                      "browse through pictures when the <interface>Preview"
 204                                      "</interface> option is enabled.</para>"));
 205     compactAction->setWhatsThis(xi18nc("@info:whatsthis Compact view mode",
 206                                        "<para>This switches to a compact view mode that lists the folders "
 207                                        "and files in columns with the names beside the icons.</para><para>"
 208                                        "This helps to give you an overview in folders with many items.</para>"));
 209     detailsAction->setWhatsThis(xi18nc("@info:whatsthis Details view mode",
 210                                        "<para>This switches to a list view mode that focuses on folder "
 211                                        "and file details.</para><para>Click on a detail in the column "
 212                                        "header to sort the items by it. Click again to sort the other "
 213                                        "way around. To select which details should be displayed click "
 214                                        "the header with the right mouse button.</para><para>You can "
 215                                        "view the contents of a folder without leaving the current "
 216                                        "location by clicking the region to the left of it. This way you can "
 217                                        "view the contents of multiple folders in the same list.</para>"));
 218
 219     KSelectAction *viewModeActions = m_actionCollection->add<KSelectAction>(QStringLiteral("view_mode"));
 220     viewModeActions->setText(i18nc("@action:intoolbar", "Change View Mode"));
 221     viewModeActions->setWhatsThis(xi18nc("@info:whatsthis View Mode Toolbutton", "This cycles through all view modes."));
 222     viewModeActions->addAction(iconsAction);
 223     viewModeActions->addAction(compactAction);
 224     viewModeActions->addAction(detailsAction);
 225     viewModeActions->setToolBarMode(KSelectAction::MenuMode);
 226     viewModeActions->setToolButtonPopupMode(QToolButton::ToolButtonPopupMode::MenuButtonPopup);
 227     connect(viewModeActions, &KSelectAction::actionTriggered, this, &DolphinViewActionHandler::slotViewModeActionTriggered);
 228     connect(viewModeActions, &KSelectAction::triggered, this, [this, viewModeActions, iconsAction, compactAction, detailsAction]() {
 229         // Loop through the actions when button is clicked
 230         const auto currentAction = viewModeActions->currentAction();
 231         if (currentAction == iconsAction) {
 232             slotViewModeActionTriggered(compactAction);
 233         } else if (currentAction == compactAction) {
 234             slotViewModeActionTriggered(detailsAction);
 235         } else if (currentAction == detailsAction) {
 236             slotViewModeActionTriggered(iconsAction);
 237         }
 238     });
 239
 240     QAction *zoomInAction = KStandardAction::zoomIn(this, &DolphinViewActionHandler::zoomIn, m_actionCollection);
 241     zoomInAction->setWhatsThis(i18nc("@info:whatsthis zoom in", "This increases the icon size."));
 242
 243     QAction *zoomResetAction = m_actionCollection->addAction(QStringLiteral("view_zoom_reset"));
 244     zoomResetAction->setText(i18nc("@action:inmenu View", "Reset Zoom Level"));
 245     zoomResetAction->setToolTip(i18n("Zoom To Default"));
 246     zoomResetAction->setWhatsThis(i18nc("@info:whatsthis zoom reset", "This resets the icon size to default."));
 247     zoomResetAction->setIcon(QIcon::fromTheme(QStringLiteral("zoom-original")));
 248     m_actionCollection->setDefaultShortcuts(zoomResetAction, {Qt::CTRL | Qt::Key_0});
 249     connect(zoomResetAction, &QAction::triggered, this, &DolphinViewActionHandler::zoomReset);
 250
 251     QAction *zoomOutAction = KStandardAction::zoomOut(this, &DolphinViewActionHandler::zoomOut, m_actionCollection);
 252     zoomOutAction->setWhatsThis(i18nc("@info:whatsthis zoom out", "This reduces the icon size."));
 253
 254     KActionMenu *zoomMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("zoom"));
 255     zoomMenu->setText(i18nc("@action:inmenu menu of zoom actions", "Zoom"));
 256     zoomMenu->setIcon(QIcon::fromTheme(QStringLiteral("zoom")));
 257     zoomMenu->setPopupMode(QToolButton::InstantPopup);
 258     zoomMenu->addAction(zoomInAction);
 259     zoomMenu->addAction(zoomResetAction);
 260     zoomMenu->addAction(zoomOutAction);
 261
 262     KToggleAction *showPreview = m_actionCollection->add<KToggleAction>(QStringLiteral("show_preview"));
 263     showPreview->setText(i18nc("@action:intoolbar", "Show Previews"));
 264     showPreview->setToolTip(i18nc("@info", "Show preview of files and folders"));
 265     showPreview->setWhatsThis(xi18nc("@info:whatsthis",
 266                                      "When this is "
 267                                      "enabled, the icons are based on the actual file or folder "
 268                                      "contents.<nl/>For example the icons of images become scaled "
 269                                      "down versions of the images."));
 270     showPreview->setIcon(QIcon::fromTheme(QStringLiteral("view-preview")));
 271     m_actionCollection->setDefaultShortcut(showPreview, QKeySequence(Qt::Key_F12));
 272     connect(showPreview, &KToggleAction::triggered, this, &DolphinViewActionHandler::togglePreview);
 273
 274     KToggleAction *sortFoldersFirst = m_actionCollection->add<KToggleAction>(QStringLiteral("folders_first"));
 275     sortFoldersFirst->setText(i18nc("@action:inmenu Sort", "Folders First"));
 276     connect(sortFoldersFirst, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortFoldersFirst);
 277
 278     KToggleAction *sortHiddenLast = m_actionCollection->add<KToggleAction>(QStringLiteral("hidden_last"));
 279     sortHiddenLast->setText(i18nc("@action:inmenu Sort", "Hidden Files Last"));
 280     connect(sortHiddenLast, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleSortHiddenLast);
 281
 282     // View -> Sort By
 283     QActionGroup *sortByActionGroup = createFileItemRolesActionGroup(QStringLiteral("sort_by_"));
 284
 285     KActionMenu *sortByActionMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("sort"));
 286     sortByActionMenu->setIcon(QIcon::fromTheme(QStringLiteral("view-sort")));
 287     sortByActionMenu->setText(i18nc("@action:inmenu View", "Sort By"));
 288     sortByActionMenu->setPopupMode(QToolButton::InstantPopup);
 289
 290     const auto sortByActionGroupActions = sortByActionGroup->actions();
 291     for (QAction *action : sortByActionGroupActions) {
 292         sortByActionMenu->addAction(action);
 293     }
 294
 295     sortByActionMenu->addSeparator();
 296
 297     QActionGroup *group = new QActionGroup(sortByActionMenu);
 298     group->setExclusive(true);
 299
 300     KToggleAction *ascendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("ascending"));
 301     ascendingAction->setActionGroup(group);
 302     connect(ascendingAction, &QAction::triggered, this, [this] {
 303         m_currentView->setSortOrder(Qt::AscendingOrder);
 304     });
 305
 306     KToggleAction *descendingAction = m_actionCollection->add<KToggleAction>(QStringLiteral("descending"));
 307     descendingAction->setActionGroup(group);
 308     connect(descendingAction, &QAction::triggered, this, [this] {
 309         m_currentView->setSortOrder(Qt::DescendingOrder);
 310     });
 311
 312     sortByActionMenu->addAction(ascendingAction);
 313     sortByActionMenu->addAction(descendingAction);
 314     sortByActionMenu->addSeparator();
 315     sortByActionMenu->addAction(sortFoldersFirst);
 316     sortByActionMenu->addAction(sortHiddenLast);
 317
 318     // View -> Additional Information
 319     QActionGroup *visibleRolesGroup = createFileItemRolesActionGroup(QStringLiteral("show_"));
 320
 321     KActionMenu *visibleRolesMenu = m_actionCollection->add<KActionMenu>(QStringLiteral("additional_info"));
 322     visibleRolesMenu->setText(i18nc("@action:inmenu View", "Show Additional Information"));
 323     visibleRolesMenu->setIcon(QIcon::fromTheme(QStringLiteral("documentinfo")));
 324     visibleRolesMenu->setPopupMode(QToolButton::InstantPopup);
 325
 326     const auto visibleRolesGroupActions = visibleRolesGroup->actions();
 327     for (QAction *action : visibleRolesGroupActions) {
 328         visibleRolesMenu->addAction(action);
 329     }
 330
 331     KToggleAction *showInGroups = m_actionCollection->add<KToggleAction>(QStringLiteral("show_in_groups"));
 332     showInGroups->setIcon(QIcon::fromTheme(QStringLiteral("view-group")));
 333     showInGroups->setText(i18nc("@action:inmenu View", "Show in Groups"));
 334     showInGroups->setWhatsThis(i18nc("@info:whatsthis", "This groups files and folders by their first letter."));
 335     connect(showInGroups, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleGroupedSorting);
 336
 337     KToggleAction *showHiddenFiles = m_actionCollection->add<KToggleAction>(QStringLiteral("show_hidden_files"));
 338     showHiddenFiles->setIcon(QIcon::fromTheme(QStringLiteral("view-visible")));
 339     showHiddenFiles->setText(i18nc("@action:inmenu View", "Show Hidden Files"));
 340     showHiddenFiles->setWhatsThis(xi18nc("@info:whatsthis",
 341                                          "<para>When "
 342                                          "this is enabled, <emphasis>hidden</emphasis> files and folders "
 343                                          "are visible. They will be displayed semi-transparent.</para>"
 344                                          "<para>Hidden items only differ from normal ones in that their "
 345                                          "name starts with a dot (\".\"). Typically, there is no need for "
 346                                          "users to access them, which is why they are hidden.</para>"
 347                                          "<para>Items can also be hidden if their names are listed in a text file "
 348                                          "named \".hidden\". Files with the \"application/x-trash\" MIME type, "
 349                                          "such as backup files, can also be hidden by enabling that setting in "
 350                                          "Configure Dolphin > View > General.</para>"));
 351     m_actionCollection->setDefaultShortcuts(showHiddenFiles, KStandardShortcut::showHideHiddenFiles());
 352     connect(showHiddenFiles, &KToggleAction::triggered, this, &DolphinViewActionHandler::toggleShowHiddenFiles);
 353
 354     QAction *adjustViewProps = m_actionCollection->addAction(QStringLiteral("view_properties"));
 355     adjustViewProps->setText(i18nc("@action:inmenu View", "Adjust View Display Style…"));
 356     adjustViewProps->setIcon(QIcon::fromTheme(QStringLiteral("view-choose")));
 357     adjustViewProps->setWhatsThis(i18nc("@info:whatsthis",
 358                                         "This opens a window "
 359                                         "in which all folder view properties can be adjusted."));
 360     connect(adjustViewProps, &QAction::triggered, this, &DolphinViewActionHandler::slotAdjustViewProperties);
 361 }
 362
 363 QActionGroup *DolphinViewActionHandler::createFileItemRolesActionGroup(const QString &groupPrefix)
 364 {
 365     const bool isSortGroup = (groupPrefix == QLatin1String("sort_by_"));
 366     Q_ASSERT(isSortGroup || groupPrefix == QLatin1String("show_"));
 367
 368     QActionGroup *rolesActionGroup = new QActionGroup(m_actionCollection);
 369     rolesActionGroup->setExclusive(isSortGroup);
 370     if (isSortGroup) {
 371         connect(rolesActionGroup, &QActionGroup::triggered, this, &DolphinViewActionHandler::slotSortTriggered);
 372     } else {
 373         connect(rolesActionGroup, &QActionGroup::triggered, this, &DolphinViewActionHandler::toggleVisibleRole);
 374     }
 375
 376     QString groupName;
 377     KActionMenu *groupMenu = nullptr;
 378     QActionGroup *groupMenuGroup = nullptr;
 379
 380     bool indexingEnabled = false;
 381 #if HAVE_BALOO
 382     Baloo::IndexerConfig config;
 383     indexingEnabled = config.fileIndexingEnabled();
 384 #endif
 385
 386     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
 387     for (const KFileItemModel::RoleInfo &info : rolesInfo) {
 388         if (!isSortGroup && info.role == "text") {
 389             // It should not be possible to hide the "text" role
 390             continue;
 391         }
 392
 393         KToggleAction *action = nullptr;
 394         const QString name = groupPrefix + info.role;
 395         if (info.group.isEmpty()) {
 396             action = m_actionCollection->add<KToggleAction>(name);
 397             action->setActionGroup(rolesActionGroup);
 398         } else {
 399             if (!groupMenu || info.group != groupName) {
 400                 groupName = info.group;
 401                 groupMenu = m_actionCollection->add<KActionMenu>(groupName);
 402                 groupMenu->setText(groupName);
 403                 groupMenu->setActionGroup(rolesActionGroup);
 404
 405                 groupMenuGroup = new QActionGroup(groupMenu);
 406                 groupMenuGroup->setExclusive(isSortGroup);
 407                 if (isSortGroup) {
 408                     connect(groupMenuGroup, &QActionGroup::triggered, this, &DolphinViewActionHandler::slotSortTriggered);
 409                 } else {
 410                     connect(groupMenuGroup, &QActionGroup::triggered, this, &DolphinViewActionHandler::toggleVisibleRole);
 411                 }
 412             }
 413
 414             action = new KToggleAction(groupMenu);
 415             action->setActionGroup(groupMenuGroup);
 416             groupMenu->addAction(action);
 417         }
 418         action->setText(info.translation);
 419         action->setData(info.role);
 420
 421         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) || (info.requiresBaloo) || (info.requiresIndexer && indexingEnabled);
 422         action->setEnabled(enable);
 423
 424         if (isSortGroup) {
 425             m_sortByActions.insert(info.role, action);
 426         } else {
 427             m_visibleRoles.insert(info.role, action);
 428         }
 429     }
 430
 431     return rolesActionGroup;
 432 }
 433
 434 void DolphinViewActionHandler::slotViewModeActionTriggered(QAction *action)
 435 {
 436     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 437     m_currentView->setViewMode(mode);
 438
 439     QAction *viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 440     viewModeMenu->setIcon(action->icon());
 441 }
 442
 443 void DolphinViewActionHandler::slotRename()
 444 {
 445     if (m_currentView->selectedItemsCount() == 0) {
 446         Q_EMIT selectionModeChangeTriggered(true, SelectionMode::BottomBar::Contents::RenameContents);
 447     } else {
 448         Q_EMIT actionBeingHandled();
 449         m_currentView->renameSelectedItems();
 450         // We don't exit selectionMode here because users might want to rename more items.
 451     }
 452 }
 453
 454 void DolphinViewActionHandler::slotTrashActivated()
 455 {
 456     if (m_currentView->selectedItemsCount() == 0) {
 457         Q_EMIT selectionModeChangeTriggered(true, SelectionMode::BottomBar::Contents::MoveToTrashContents);
 458     } else {
 459         Q_EMIT actionBeingHandled();
 460         m_currentView->trashSelectedItems();
 461         Q_EMIT selectionModeChangeTriggered(false);
 462     }
 463 }
 464
 465 void DolphinViewActionHandler::slotDeleteItems()
 466 {
 467     if (m_currentView->selectedItemsCount() == 0) {
 468         Q_EMIT selectionModeChangeTriggered(true, SelectionMode::BottomBar::Contents::DeleteContents);
 469     } else {
 470         Q_EMIT actionBeingHandled();
 471         m_currentView->deleteSelectedItems();
 472         Q_EMIT selectionModeChangeTriggered(false);
 473     }
 474 }
 475
 476 void DolphinViewActionHandler::togglePreview(bool show)
 477 {
 478     Q_EMIT actionBeingHandled();
 479     m_currentView->setPreviewsShown(show);
 480 }
 481
 482 void DolphinViewActionHandler::slotPreviewsShownChanged(bool shown)
 483 {
 484     Q_UNUSED(shown)
 485     // It is not enough to update the 'Show Preview' action, also
 486     // the 'Zoom In', 'Zoom Out' and 'Zoom Reset' actions must be adapted.
 487     updateViewActions();
 488 }
 489
 490 QString DolphinViewActionHandler::currentViewModeActionName() const
 491 {
 492     switch (m_currentView->viewMode()) {
 493     case DolphinView::IconsView:
 494         return QStringLiteral("icons");
 495     case DolphinView::DetailsView:
 496         return QStringLiteral("details");
 497     case DolphinView::CompactView:
 498         return QStringLiteral("compact");
 499     default:
 500         Q_ASSERT(false);
 501         break;
 502     }
 503     return QString(); // can't happen
 504 }
 505
 506 KActionCollection *DolphinViewActionHandler::actionCollection()
 507 {
 508     return m_actionCollection;
 509 }
 510
 511 void DolphinViewActionHandler::updateViewActions()
 512 {
 513     QAction *viewModeAction = m_actionCollection->action(currentViewModeActionName());
 514     if (viewModeAction) {
 515         viewModeAction->setChecked(true);
 516
 517         QAction *viewModeMenu = m_actionCollection->action(QStringLiteral("view_mode"));
 518         viewModeMenu->setIcon(viewModeAction->icon());
 519     }
 520
 521     QAction *showPreviewAction = m_actionCollection->action(QStringLiteral("show_preview"));
 522     showPreviewAction->setChecked(m_currentView->previewsShown());
 523
 524     slotSortOrderChanged(m_currentView->sortOrder());
 525     slotSortFoldersFirstChanged(m_currentView->sortFoldersFirst());
 526     slotSortHiddenLastChanged(m_currentView->sortHiddenLast());
 527     slotVisibleRolesChanged(m_currentView->visibleRoles(), QList<QByteArray>());
 528     slotGroupedSortingChanged(m_currentView->groupedSorting());
 529     slotSortRoleChanged(m_currentView->sortRole());
 530     slotZoomLevelChanged(m_currentView->zoomLevel(), -1);
 531
 532     // Updates the "show_hidden_files" action state and icon
 533     slotHiddenFilesShownChanged(m_currentView->hiddenFilesShown());
 534 }
 535
 536 void DolphinViewActionHandler::zoomIn()
 537 {
 538     const int level = m_currentView->zoomLevel();
 539     m_currentView->setZoomLevel(level + 1);
 540     updateViewActions();
 541 }
 542
 543 void DolphinViewActionHandler::zoomOut()
 544 {
 545     const int level = m_currentView->zoomLevel();
 546     m_currentView->setZoomLevel(level - 1);
 547     updateViewActions();
 548 }
 549
 550 void DolphinViewActionHandler::zoomReset()
 551 {
 552     m_currentView->resetZoomLevel();
 553     updateViewActions();
 554 }
 555
 556 void DolphinViewActionHandler::toggleSortFoldersFirst()
 557 {
 558     const bool sortFirst = m_currentView->sortFoldersFirst();
 559     m_currentView->setSortFoldersFirst(!sortFirst);
 560 }
 561
 562 void DolphinViewActionHandler::toggleSortHiddenLast()
 563 {
 564     const bool sortHiddenLast = m_currentView->sortHiddenLast();
 565     m_currentView->setSortHiddenLast(!sortHiddenLast);
 566 }
 567
 568 void DolphinViewActionHandler::slotSortOrderChanged(Qt::SortOrder order)
 569 {
 570     QAction *descending = m_actionCollection->action(QStringLiteral("descending"));
 571     QAction *ascending = m_actionCollection->action(QStringLiteral("ascending"));
 572     const bool sortDescending = (order == Qt::DescendingOrder);
 573     descending->setChecked(sortDescending);
 574     ascending->setChecked(!sortDescending);
 575 }
 576
 577 void DolphinViewActionHandler::slotSortFoldersFirstChanged(bool foldersFirst)
 578 {
 579     m_actionCollection->action(QStringLiteral("folders_first"))->setChecked(foldersFirst);
 580 }
 581
 582 void DolphinViewActionHandler::slotSortHiddenLastChanged(bool hiddenLast)
 583 {
 584     m_actionCollection->action(QStringLiteral("hidden_last"))->setChecked(hiddenLast);
 585 }
 586
 587 void DolphinViewActionHandler::toggleVisibleRole(QAction *action)
 588 {
 589     Q_EMIT actionBeingHandled();
 590
 591     const QByteArray toggledRole = action->data().toByteArray();
 592
 593     QList<QByteArray> roles = m_currentView->visibleRoles();
 594
 595     const bool show = action->isChecked();
 596
 597     const int index = roles.indexOf(toggledRole);
 598     const bool containsInfo = (index >= 0);
 599     if (show && !containsInfo) {
 600         roles.append(toggledRole);
 601         m_currentView->setVisibleRoles(roles);
 602     } else if (!show && containsInfo) {
 603         roles.removeAt(index);
 604         m_currentView->setVisibleRoles(roles);
 605         Q_ASSERT(roles.indexOf(toggledRole) < 0);
 606     }
 607 }
 608
 609 void DolphinViewActionHandler::slotVisibleRolesChanged(const QList<QByteArray> &current, const QList<QByteArray> &previous)
 610 {
 611     Q_UNUSED(previous)
 612
 613     const auto checkedRoles = QSet<QByteArray>(current.constBegin(), current.constEnd());
 614     QHashIterator<QByteArray, KToggleAction *> it(m_visibleRoles);
 615     while (it.hasNext()) {
 616         it.next();
 617         const QByteArray &role = it.key();
 618         KToggleAction *action = it.value();
 619         action->setChecked(checkedRoles.contains(role));
 620     }
 621 }
 622
 623 void DolphinViewActionHandler::toggleGroupedSorting(bool grouped)
 624 {
 625     m_currentView->setGroupedSorting(grouped);
 626 }
 627
 628 void DolphinViewActionHandler::slotGroupedSortingChanged(bool groupedSorting)
 629 {
 630     QAction *showInGroupsAction = m_actionCollection->action(QStringLiteral("show_in_groups"));
 631     showInGroupsAction->setChecked(groupedSorting);
 632 }
 633
 634 void DolphinViewActionHandler::toggleShowHiddenFiles(bool show)
 635 {
 636     Q_EMIT actionBeingHandled();
 637     m_currentView->setHiddenFilesShown(show);
 638 }
 639
 640 void DolphinViewActionHandler::slotHiddenFilesShownChanged(bool shown)
 641 {
 642     QAction *showHiddenFilesAction = m_actionCollection->action(QStringLiteral("show_hidden_files"));
 643     showHiddenFilesAction->setChecked(shown);
 644 }
 645
 646 void DolphinViewActionHandler::slotWriteStateChanged(bool isFolderWritable)
 647 {
 648     const bool supportsMakeDir = KProtocolManager::supportsMakeDir(currentView()->url());
 649     m_actionCollection->action(QStringLiteral("create_dir"))->setEnabled(isFolderWritable && supportsMakeDir);
 650     m_actionCollection->action(QStringLiteral("create_file"))->setEnabled(isFolderWritable);
 651 }
 652
 653 KToggleAction *DolphinViewActionHandler::iconsModeAction()
 654 {
 655     KToggleAction *iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("icons"));
 656     iconsView->setText(i18nc("@action:inmenu View Mode", "Icons"));
 657     iconsView->setToolTip(i18nc("@info", "Icons view mode"));
 658     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL | Qt::Key_1);
 659     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-icons")));
 660     iconsView->setData(QVariant::fromValue(DolphinView::IconsView));
 661     return iconsView;
 662 }
 663
 664 KToggleAction *DolphinViewActionHandler::compactModeAction()
 665 {
 666     KToggleAction *iconsView = m_actionCollection->add<KToggleAction>(QStringLiteral("compact"));
 667     iconsView->setText(i18nc("@action:inmenu View Mode", "Compact"));
 668     iconsView->setToolTip(i18nc("@info", "Compact view mode"));
 669     m_actionCollection->setDefaultShortcut(iconsView, Qt::CTRL | Qt::Key_2);
 670     iconsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-details"))); // TODO: discuss with Oxygen-team the wrong (?) name
 671     iconsView->setData(QVariant::fromValue(DolphinView::CompactView));
 672     return iconsView;
 673 }
 674
 675 KToggleAction *DolphinViewActionHandler::detailsModeAction()
 676 {
 677     KToggleAction *detailsView = m_actionCollection->add<KToggleAction>(QStringLiteral("details"));
 678     detailsView->setText(i18nc("@action:inmenu View Mode", "Details"));
 679     detailsView->setToolTip(i18nc("@info", "Details view mode"));
 680     m_actionCollection->setDefaultShortcut(detailsView, Qt::CTRL | Qt::Key_3);
 681     detailsView->setIcon(QIcon::fromTheme(QStringLiteral("view-list-tree")));
 682     detailsView->setData(QVariant::fromValue(DolphinView::DetailsView));
 683     return detailsView;
 684 }
 685
 686 void DolphinViewActionHandler::slotSortRoleChanged(const QByteArray &role)
 687 {
 688     KToggleAction *action = m_sortByActions.value(role);
 689     if (action) {
 690         action->setChecked(true);
 691
 692         if (!action->icon().isNull()) {
 693             QAction *sortByMenu = m_actionCollection->action(QStringLiteral("sort"));
 694             sortByMenu->setIcon(action->icon());
 695         }
 696     }
 697
 698     QAction *descending = m_actionCollection->action(QStringLiteral("descending"));
 699     QAction *ascending = m_actionCollection->action(QStringLiteral("ascending"));
 700
 701     if (role == "text" || role == "type" || role == "extension" || role == "tags" || role == "comment") {
 702         descending->setText(i18nc("Sort descending", "Z-A"));
 703         ascending->setText(i18nc("Sort ascending", "A-Z"));
 704     } else if (role == "size") {
 705         descending->setText(i18nc("Sort descending", "Largest First"));
 706         ascending->setText(i18nc("Sort ascending", "Smallest First"));
 707     } else if (role == "modificationtime" || role == "creationtime" || role == "accesstime") {
 708         descending->setText(i18nc("Sort descending", "Newest First"));
 709         ascending->setText(i18nc("Sort ascending", "Oldest First"));
 710     } else if (role == "rating") {
 711         descending->setText(i18nc("Sort descending", "Highest First"));
 712         ascending->setText(i18nc("Sort ascending", "Lowest First"));
 713     } else {
 714         descending->setText(i18nc("Sort descending", "Descending"));
 715         ascending->setText(i18nc("Sort ascending", "Ascending"));
 716     }
 717
 718     slotSortOrderChanged(m_currentView->sortOrder());
 719 }
 720
 721 void DolphinViewActionHandler::slotZoomLevelChanged(int current, int previous)
 722 {
 723     Q_UNUSED(previous)
 724
 725     QAction *zoomInAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomIn));
 726     if (zoomInAction) {
 727         zoomInAction->setEnabled(current < ZoomLevelInfo::maximumLevel());
 728     }
 729
 730     QAction *zoomOutAction = m_actionCollection->action(KStandardAction::name(KStandardAction::ZoomOut));
 731     if (zoomOutAction) {
 732         zoomOutAction->setEnabled(current > ZoomLevelInfo::minimumLevel());
 733     }
 734 }
 735
 736 void DolphinViewActionHandler::slotSortTriggered(QAction *action)
 737 {
 738     // The radiobuttons of the "Sort By"-menu are split between the main-menu
 739     // and several sub-menus. Because of this they don't have a common
 740     // action-group that assures an exclusive toggle-state between the main-menu
 741     // actions and the sub-menu-actions. If an action gets checked, it must
 742     // be assured that all other actions get unchecked, except the ascending/
 743     // descending actions
 744     for (QAction *groupAction : std::as_const(m_sortByActions)) {
 745         KActionMenu *actionMenu = qobject_cast<KActionMenu *>(groupAction);
 746         if (actionMenu) {
 747             const auto actions = actionMenu->menu()->actions();
 748             for (QAction *subAction : actions) {
 749                 subAction->setChecked(false);
 750             }
 751         } else if (groupAction->actionGroup()) {
 752             groupAction->setChecked(false);
 753         }
 754     }
 755     action->setChecked(true);
 756
 757     // Apply the activated sort-role to the view
 758     const QByteArray role = action->data().toByteArray();
 759     m_currentView->setSortRole(role);
 760 }
 761
 762 void DolphinViewActionHandler::slotAdjustViewProperties()
 763 {
 764     Q_EMIT actionBeingHandled();
 765     QPointer<ViewPropertiesDialog> dialog = new ViewPropertiesDialog(m_currentView);
 766     dialog->exec();
 767     delete dialog;
 768 }
 769
 770 void DolphinViewActionHandler::slotDuplicate()
 771 {
 772     if (m_currentView->selectedItemsCount() == 0) {
 773         Q_EMIT selectionModeChangeTriggered(true, SelectionMode::BottomBar::Contents::DuplicateContents);
 774     } else {
 775         Q_EMIT actionBeingHandled();
 776         m_currentView->duplicateSelectedItems();
 777         Q_EMIT selectionModeChangeTriggered(false);
 778     }
 779 }
 780
 781 void DolphinViewActionHandler::slotProperties()
 782 {
 783     KPropertiesDialog *dialog = nullptr;
 784     const KFileItemList list = m_currentView->selectedItems();
 785     if (list.isEmpty()) {
 786         const QUrl url = m_currentView->url();
 787         dialog = new KPropertiesDialog(url, m_currentView);
 788     } else {
 789         dialog = new KPropertiesDialog(list, m_currentView);
 790     }
 791
 792     dialog->setAttribute(Qt::WA_DeleteOnClose);
 793     dialog->show();
 794     dialog->raise();
 795     dialog->activateWindow();
 796 }
 797
 798 void DolphinViewActionHandler::slotCopyPath()
 799 {
 800     if (m_currentView->selectedItemsCount() == 0) {
 801         Q_EMIT selectionModeChangeTriggered(true, SelectionMode::BottomBar::Contents::CopyLocationContents);
 802     } else {
 803         m_currentView->copyPathToClipboard();
 804         Q_EMIT selectionModeChangeTriggered(false);
 805     }
 806 }
 807
 808 void DolphinViewActionHandler::slotSelectionChanged(const KFileItemList &selection)
 809 {
 810     QString basicActionsMenuText;
 811     if (selection.isEmpty()) {
 812         basicActionsMenuText = i18nc("@action:inmenu menu with actions like copy, paste, rename. The user's selection is empty when this text is shown.",
 813                                      "Actions for Current View");
 814     } else {
 815         // clang-format off
 816         QFontMetrics fontMetrics = QMenu().fontMetrics();
 817         // i18n: @action:inmenu menu with actions like copy, paste, rename.
 818         // %1 is a textual representation of the currently selected files or folders. This can be the name of
 819         // the file/files like "file1" or "file1, file2 and file3" or an aggregate like "8 Selected Folders".
 820         // If this sort of word puzzle can not be correctly translated in your language, translate it as "NULL" (without the quotes)
 821         // and a fallback will be used.
 822         basicActionsMenuText = i18n("Actions for %1", fileItemListToString(selection, fontMetrics.averageCharWidth() * 40, fontMetrics, ItemsState::Selected));
 823         // clang-format on
 824     }
 825
 826     if (basicActionsMenuText == QStringLiteral("NULL")) {
 827         const KFileItemListProperties properties(selection);
 828         basicActionsMenuText = i18ncp("@action:inmenu menu with actions like copy, paste, rename. %1 is the amount of selected files/folders.",
 829                                       "Actions for One Selected Item",
 830                                       "Actions for %1 Selected Items",
 831                                       selection.count());
 832     }
 833
 834     QAction *basicActionsMenu = m_actionCollection->action(QStringLiteral("basic_actions"));
 835     basicActionsMenu->setText(basicActionsMenuText);
 836
 837     // Add or remove contextual actions
 838     while (!basicActionsMenu->menu()->actions().constLast()->isSeparator()) {
 839         basicActionsMenu->menu()->removeAction(basicActionsMenu->menu()->actions().last());
 840     }
 841     if (selection.count() == 1) {
 842         if (selection.first().isLink()) {
 843             basicActionsMenu->menu()->addAction(m_actionCollection->action(QStringLiteral("show_target")));
 844         }
 845         if (selection.first().isDir()) {
 846             basicActionsMenu->menu()->addAction(m_actionCollection->action(QStringLiteral("add_to_places")));
 847         }
 848     }
 849 }
 850
 851 #include "moc_dolphinviewactionhandler.cpp"