C++ KPopupMenu::deleteLater方法代码示例

//.........这里部分代码省略.........
                        // Check whether the selected items only consist of files...
                        const KFileItemList* list = m_dolphinView->selectedItems();
                        assert(list != 0);

                        KFileItemListIterator mimeIt(*list);
                        KFileItem* item = 0;
                        insert = true;
                        while (insert && ((item = mimeIt.current()) != 0)) {
                            insert = !item->isDir();
                            ++mimeIt;
                        }
                    }

                    if (!insert) {
                        // Check whether the MIME types of all selected files match
                        // to the mimetype of the service action. As soon as one MIME
                        // type does not match, no service menu is shown at all.
                        const KFileItemList* list = m_dolphinView->selectedItems();
                        assert(list != 0);

                        KFileItemListIterator mimeIt(*list);
                        KFileItem* item = 0;
                        insert = true;
                        while (insert && ((item = mimeIt.current()) != 0)) {
                            const QString mimeType((*mimeIt)->mimetype());
                            const QString mimeGroup(mimeType.left(mimeType.find('/')));

                            insert  = (*it == mimeType) ||
                                      ((*it).right(1) == "*") &&
                                      ((*it).left((*it).find('/')) == mimeGroup);
                            ++mimeIt;
                        }
                    }

                    if (insert) {
                        menu = actionsMenu;

                        const QString submenuName = cfg.readEntry( "X-KDE-Submenu" );
                        if (!submenuName.isEmpty()) {
                            menu = new KPopupMenu();
                            actionsMenu->insertItem(submenuName, menu, submenuID);
                        }

                        QValueList<KDEDesktopMimeType::Service> userServices =
                            KDEDesktopMimeType::userDefinedServices(*dirIt + *entryIt, true);

                        QValueList<KDEDesktopMimeType::Service>::Iterator serviceIt;
                        for (serviceIt = userServices.begin(); serviceIt != userServices.end(); ++serviceIt) {
                            KDEDesktopMimeType::Service service = (*serviceIt);
                            if (!service.m_strIcon.isEmpty()) {
                                menu->insertItem(SmallIcon(service.m_strIcon),
                                                 service.m_strName,
                                                 actionsIDStart + actionsIndex);
                            }
                            else {
                                menu->insertItem(service.m_strName,
                                                 actionsIDStart + actionsIndex);
                            }
                            actionsVector.append(service);
                            ++actionsIndex;
                        }
                    }
                }
            }
        }
    }

    const int itemsCount = actionsMenu->count();
    if (itemsCount == 0) {
        // no actions are available at all, hence show the "Actions"
        // submenu disabled
        actionsMenu->setEnabled(false);
    }

    if (itemsCount == 1) {
        // Exactly one item is available. Instead of showing a sub menu with
        // only one item, show the item directly in the root menu.
        if (menu == actionsMenu) {
            // The item is an action, hence show the action in the root menu.
            const int id = actionsMenu->idAt(0);
            const QString text(actionsMenu->text(id));
            const QIconSet* iconSet = actionsMenu->iconSet(id);
            if (iconSet == 0) {
                popup->insertItem(text, id);
            }
            else {
                popup->insertItem(*iconSet, text, id);
            }
        }
        else {
            // The item is a sub menu, hence show the sub menu in the root menu.
            popup->insertItem(actionsMenu->text(submenuID), menu);
        }
        actionsMenu->deleteLater();
        actionsMenu = 0;
    }
    else {
        popup->insertItem(i18n("Actions"), actionsMenu);
    }
}

//.........这里部分代码省略.........
	const int bookmarkID = 101;

    KPopupMenu* popup = new KPopupMenu(m_dolphinView);
    Dolphin& dolphin = Dolphin::mainWin();

    // setup 'Create New' menu
    KPopupMenu* createNewMenu = new KPopupMenu();

    KAction* createFolderAction = dolphin.actionCollection()->action("create_folder");
    if (createFolderAction != 0) {
        createFolderAction->plug(createNewMenu);
    }

    createNewMenu->insertSeparator();

    KAction* action = 0;

    QPtrListIterator<KAction> fileGrouptIt(dolphin.fileGroupActions());
    while ((action = fileGrouptIt.current()) != 0) {
        action->plug(createNewMenu);
        ++fileGrouptIt;
    }

    // TODO: not used yet. See documentation of Dolphin::linkGroupActions()
    // and Dolphin::linkToDeviceActions() in the header file for details.
    //
    //createNewMenu->insertSeparator();
    //
    //QPtrListIterator<KAction> linkGroupIt(dolphin.linkGroupActions());
    //while ((action = linkGroupIt.current()) != 0) {
    //    action->plug(createNewMenu);
    //    ++linkGroupIt;
    //}
    //
    //KPopupMenu* linkToDeviceMenu = new KPopupMenu();
    //QPtrListIterator<KAction> linkToDeviceIt(dolphin.linkToDeviceActions());
    //while ((action = linkToDeviceIt.current()) != 0) {
    //    action->plug(linkToDeviceMenu);
    //    ++linkToDeviceIt;
    //}
    //
    //createNewMenu->insertItem(i18n("Link to Device"), linkToDeviceMenu);

    const KURL& url = dolphin.activeView()->url();
    if (url.protocol() == "trash")
    {
        popup->insertItem(i18n("Empty Deleted Items Folder"), emptyID);
    }
    else
    {
        popup->insertItem(SmallIcon("filenew"), i18n("Create New"), createNewMenu);
    }
    popup->insertSeparator();

    KAction* pasteAction = dolphin.actionCollection()->action(KStdAction::stdName(KStdAction::Paste));
    pasteAction->plug(popup);

    // setup 'View Mode' menu
    KPopupMenu* viewModeMenu = new KPopupMenu();

    KAction* iconsMode = dolphin.actionCollection()->action("icons");
    iconsMode->plug(viewModeMenu);

    KAction* detailsMode = dolphin.actionCollection()->action("details");
    detailsMode->plug(viewModeMenu);

    KAction* previewsMode = dolphin.actionCollection()->action("previews");
    previewsMode->plug(viewModeMenu);

    popup->insertItem(i18n("View Mode"), viewModeMenu);
    popup->insertSeparator();

    popup->insertItem(i18n("Bookmark this folder"), bookmarkID);
    popup->insertSeparator();

    popup->insertItem(i18n("Properties..."), propertiesID);

    int id = popup->exec(m_pos);
    if (id == emptyID) {
        KonqOperations::emptyTrash();
    }
    else if (id == propertiesID) {
        new KPropertiesDialog(dolphin.activeView()->url());
    }
    else if (id == bookmarkID) {
        const KURL& url = dolphin.activeView()->url();
        KBookmark bookmark = EditBookmarkDialog::getBookmark(i18n("Add folder as bookmark"),
                                                             url.filename(),
                                                             url,
                                                             "bookmark");
        if (!bookmark.isNull()) {
            KBookmarkManager* manager = DolphinSettings::instance().bookmarkManager();
            KBookmarkGroup root = manager->root();
            root.addBookmark(manager, bookmark);
            manager->emitChanged(root);
        }
    }

    popup->deleteLater();
}

//.........这里部分代码省略.........
    // libqonq/konq_operations.h of Konqueror.
    // (Copyright (C) 2000  David Faure <[email protected]>)

    assert(m_fileInfo != 0);

    KPopupMenu* popup = new KPopupMenu(m_dolphinView);
    Dolphin& dolphin = Dolphin::mainWin();
    const KURL::List urls = m_dolphinView->selectedURLs();

    const KURL& url = dolphin.activeView()->url();
    if (url.protocol() == "trash")
    {
        popup->insertItem(i18n("&Restore"), restoreID);
    }

    // insert 'Cut', 'Copy' and 'Paste'
    const KStdAction::StdAction actionNames[] = { KStdAction::Cut, KStdAction::Copy, KStdAction::Paste };
    const int count = sizeof(actionNames) / sizeof(KStdAction::StdAction);
    for (int i = 0; i < count; ++i) {
        KAction* action = dolphin.actionCollection()->action(KStdAction::stdName(actionNames[i]));
        if (action != 0) {
            action->plug(popup);
        }
    }
    popup->insertSeparator();

    // insert 'Rename'
    KAction* renameAction = dolphin.actionCollection()->action("rename");
    renameAction->plug(popup);

    // insert 'Move to Trash' for local URLs, otherwise insert 'Delete'
    if (url.isLocalFile()) {
        KAction* moveToTrashAction = dolphin.actionCollection()->action("move_to_trash");
        moveToTrashAction->plug(popup);
    }
    else {
        KAction* deleteAction = dolphin.actionCollection()->action("delete");
        deleteAction->plug(popup);
    }

    // insert 'Bookmark this folder...' entry
    // urls is a list of selected items, so insert boolmark menu if
    // urls contains only one item, i.e. no multiple selection made
    if (m_fileInfo->isDir() && (urls.count() == 1)) {
        popup->insertItem(i18n("Bookmark this folder"), bookmarkID);
    }

    popup->insertSeparator();

    // Insert 'Open With...' sub menu
    QValueVector<KService::Ptr> openWithVector;
    const int openWithID = insertOpenWithItems(popup, openWithVector);

    // Insert 'Actions' sub menu
    QValueVector<KDEDesktopMimeType::Service> actionsVector;
    insertActionItems(popup, actionsVector);

    // insert 'Properties...' entry
    popup->insertSeparator();
    KAction* propertiesAction = dolphin.actionCollection()->action("properties");
    propertiesAction->plug(popup);

    int id = popup->exec(m_pos);
    
    if (id == restoreID ) {
        KonqOperations::restoreTrashedItems(urls);
    }
    else if (id == bookmarkID) {
        const KURL selectedURL(m_fileInfo->url());
        KBookmark bookmark = EditBookmarkDialog::getBookmark(i18n("Add folder as bookmark"),
                                                             selectedURL.filename(),
                                                             selectedURL,
                                                             "bookmark");
        if (!bookmark.isNull()) {
            KBookmarkManager* manager = DolphinSettings::instance().bookmarkManager();
            KBookmarkGroup root = manager->root();
            root.addBookmark(manager, bookmark);
            manager->emitChanged(root);
        }
    }
    else if (id >= actionsIDStart) {
        // one of the 'Actions' items has been selected
        KDEDesktopMimeType::executeService(urls, actionsVector[id - actionsIDStart]);
    }
    else if (id >= openWithIDStart) {
        // one of the 'Open With' items has been selected
        if (id == openWithID) {
            // the item 'Other...' has been selected
            KRun::displayOpenWithDialog(urls);
        }
        else {
            KService::Ptr servicePtr = openWithVector[id - openWithIDStart];
            KRun::run(*servicePtr, urls);
        }
    }

    openWithVector.clear();
    actionsVector.clear();
    popup->deleteLater();
}