File indexing completed on 2024-04-14 03:57:10

 /*
     This file is part of the KDE project
     SPDX-FileCopyrightText: 2006 Olivier Goffart <ogoffart@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "kmenumenuhandler_p.h"
 
 #include "debug.h"
 #include "kactioncollection.h"
 #include "kmainwindow.h"
 #include "kshortcutwidget.h"
 #include "ktoolbar.h"
 #include "kxmlguibuilder.h"
 #include "kxmlguiclient.h"
 #include "kxmlguifactory.h"
 
 #include <QAction>
 #include <QContextMenuEvent>
 #include <QDialog>
 #include <QDialogButtonBox>
 #include <QDomDocument>
 #include <QDomNode>
 #include <QMenu>
 #include <QVBoxLayout>
 
 #include <KLocalizedString>
 #include <KSelectAction>
 
 namespace KDEPrivate
 {
 KMenuMenuHandler::KMenuMenuHandler(KXMLGUIBuilder *builder)
     : QObject()
     , m_builder(builder)
 {
     m_toolbarAction = new KSelectAction(i18n("Add to Toolbar"), this);
     connect(m_toolbarAction, &KSelectAction::indexTriggered, this, &KMenuMenuHandler::slotAddToToolBar);
 }
 
 void KMenuMenuHandler::insertMenu(QMenu *popup)
 {
     popup->installEventFilter(this);
 }
 
 bool KMenuMenuHandler::eventFilter(QObject *watched, QEvent *event)
 {
     switch (event->type()) {
     case QEvent::MouseButtonPress:
         if (m_contextMenu && m_contextMenu->isVisible()) {
             m_contextMenu->hide();
             return true;
         }
         break;
 
     case QEvent::MouseButtonRelease:
         if (m_contextMenu && m_contextMenu->isVisible()) {
             return true;
         }
         break;
 
     case QEvent::ContextMenu: {
         QContextMenuEvent *e = static_cast<QContextMenuEvent *>(event);
         QMenu *menu = static_cast<QMenu *>(watched);
         if (e->reason() == QContextMenuEvent::Mouse) {
             showContextMenu(menu, e->pos());
         } else if (menu->activeAction()) {
             showContextMenu(menu, menu->actionGeometry(menu->activeAction()).center());
         }
     }
         event->accept();
         return true;
 
     default:
         break;
     }
 
     return false;
 }
 
 void KMenuMenuHandler::buildToolbarAction()
 {
     KMainWindow *window = qobject_cast<KMainWindow *>(m_builder->widget());
     if (!window) {
         return;
     }
     QStringList toolbarlist;
     const auto toolbars = window->toolBars();
     toolbarlist.reserve(toolbars.size());
     for (KToolBar *b : toolbars) {
         toolbarlist << (b->windowTitle().isEmpty() ? b->objectName() : b->windowTitle());
     }
     m_toolbarAction->setItems(toolbarlist);
 }
 
 static KActionCollection *findParentCollection(KXMLGUIFactory *factory, QAction *action)
 {
     const auto clients = factory->clients();
     for (KXMLGUIClient *client : clients) {
         KActionCollection *collection = client->actionCollection();
         // if the call to actions() is too slow, add KActionCollection::contains(QAction*).
         if (collection->actions().contains(action)) {
             return collection;
         }
     }
     return nullptr;
 }
 
 void KMenuMenuHandler::slotSetShortcut()
 {
     if (!m_popupMenu || !m_popupAction) {
         return;
     }
 
     QDialog dialog(m_builder->widget());
     auto *layout = new QVBoxLayout(&dialog);
 
     KShortcutWidget swidget(&dialog);
     swidget.setShortcut(m_popupAction->shortcuts());
     layout->addWidget(&swidget);
 
     QDialogButtonBox box(&dialog);
     box.setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
     connect(&box, &QDialogButtonBox::accepted, &dialog, &QDialog::accept);
     connect(&box, &QDialogButtonBox::rejected, &dialog, &QDialog::reject);
     layout->addWidget(&box);
 
     KActionCollection *parentCollection = nullptr;
     if (dynamic_cast<KXMLGUIClient *>(m_builder)) {
         QList<KActionCollection *> checkCollections;
         KXMLGUIFactory *factory = dynamic_cast<KXMLGUIClient *>(m_builder)->factory();
         parentCollection = findParentCollection(factory, m_popupAction);
         const auto clients = factory->clients();
         checkCollections.reserve(clients.size());
         for (KXMLGUIClient *client : clients) {
             checkCollections += client->actionCollection();
         }
         swidget.setCheckActionCollections(checkCollections);
     }
 
     if (dialog.exec()) {
         m_popupAction->setShortcuts(swidget.shortcut());
         swidget.applyStealShortcut();
         if (parentCollection) {
             parentCollection->writeSettings();
         }
     }
 }
 
 void KMenuMenuHandler::slotAddToToolBar(int tb)
 {
     KMainWindow *window = qobject_cast<KMainWindow *>(m_builder->widget());
     if (!window) {
         return;
     }
 
     if (!m_popupMenu || !m_popupAction) {
         return;
     }
 
     KXMLGUIFactory *factory = dynamic_cast<KXMLGUIClient *>(m_builder)->factory();
     QString actionName = m_popupAction->objectName(); // set by KActionCollection::addAction
     KActionCollection *collection = nullptr;
     if (factory) {
         collection = findParentCollection(factory, m_popupAction);
     }
     if (!collection) {
         qCWarning(DEBUG_KXMLGUI) << "Cannot find the action collection for action " << actionName;
         return;
     }
 
     KToolBar *toolbar = window->toolBars().at(tb);
     toolbar->addAction(m_popupAction);
 
     const KXMLGUIClient *client = collection->parentGUIClient();
     QString xmlFile = client->localXMLFile();
     QDomDocument document;
     document.setContent(KXMLGUIFactory::readConfigFile(client->xmlFile(), client->componentName()));
     QDomElement elem = document.documentElement().toElement();
 
     const QLatin1String tagToolBar("ToolBar");
     const QLatin1String attrNoEdit("noEdit");
     const QLatin1String attrName("name");
 
     QDomElement toolbarElem;
     QDomNode n = elem.firstChild();
     for (; !n.isNull(); n = n.nextSibling()) {
         QDomElement elem = n.toElement();
         if (!elem.isNull() && elem.tagName() == tagToolBar && elem.attribute(attrName) == toolbar->objectName()) {
             if (elem.attribute(attrNoEdit) == QLatin1String("true")) {
                 qCWarning(DEBUG_KXMLGUI) << "The toolbar is not editable";
                 return;
             }
             toolbarElem = elem;
             break;
         }
     }
     if (toolbarElem.isNull()) {
         toolbarElem = document.createElement(tagToolBar);
         toolbarElem.setAttribute(attrName, toolbar->objectName());
         elem.appendChild(toolbarElem);
     }
 
     KXMLGUIFactory::findActionByName(toolbarElem, actionName, true);
     KXMLGUIFactory::saveConfigFile(document, xmlFile);
 }
 
 void KMenuMenuHandler::showContextMenu(QMenu *menu, const QPoint &pos)
 {
     Q_ASSERT(!m_popupMenu);
     Q_ASSERT(!m_popupAction);
     Q_ASSERT(!m_contextMenu);
 
     auto *action = menu->actionAt(pos);
     if (!action || action->isSeparator()) {
         return;
     }
 
     m_popupMenu = menu;
     m_popupAction = action;
 
     m_contextMenu = new QMenu;
     m_contextMenu->addAction(i18nc("@action:inmenu", "Configure Shortcut..."), this, &KMenuMenuHandler::slotSetShortcut);
 
     KMainWindow *window = qobject_cast<KMainWindow *>(m_builder->widget());
     if (window) {
         m_contextMenu->addAction(m_toolbarAction);
         buildToolbarAction();
     }
 
     m_contextMenu->exec(menu->mapToGlobal(pos));
     delete m_contextMenu;
     m_contextMenu = nullptr;
 
     m_popupAction = nullptr;
     m_popupMenu = nullptr;
 }
 
 } // END namespace KDEPrivate
 
 #include "moc_kmenumenuhandler_p.cpp"