File indexing completed on 2024-04-14 07:28:20

0001 /*
0002  * SPDX-FileCopyrightText: 2023 Kai Uwe Broulik <kde@broulik.de>
0003  *
0004  * SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
0005  */
0006 
0007 #include "kopenaction_p.h"
0008 
0009 #include <KRecentFilesAction>
0010 #include <KStandardAction>
0011 
0012 #include <QMenu>
0013 #include <QPointer>
0014 
0015 class KOpenActionPrivate
0016 {
0017 public:
0018     KOpenActionPrivate(KOpenAction *q);
0019 
0020     void updatePopupMode();
0021     void onPopupMenuAboutToShow();
0022 
0023     KOpenAction *q;
0024     QPointer<KRecentFilesAction> recentFilesAction;
0025 };
0026 
0027 KOpenActionPrivate::KOpenActionPrivate(KOpenAction *q)
0028     : q(q)
0029 {
0030 }
0031 
0032 KOpenAction::~KOpenAction() = default;
0033 
0034 void KOpenActionPrivate::updatePopupMode()
0035 {
0036     if (recentFilesAction && recentFilesAction->isEnabled()) {
0037         q->setPopupMode(KToolBarPopupAction::MenuButtonPopup);
0038     } else {
0039         q->setPopupMode(KToolBarPopupAction::NoPopup);
0040     }
0041 }
0042 
0043 void KOpenActionPrivate::onPopupMenuAboutToShow()
0044 {
0045     q->popupMenu()->clear();
0046 
0047     if (recentFilesAction) {
0048         // Using the menu explicitly rather than the actions so we also get the "Forget..." entry.
0049         if (auto *recentMenu = recentFilesAction->menu()) {
0050             // Trigger a menu update.
0051             Q_EMIT recentMenu->aboutToShow();
0052 
0053             const auto actions = recentMenu->actions();
0054             for (QAction *action : actions) {
0055                 q->popupMenu()->addAction(action);
0056             }
0057         }
0058     }
0059 }
0060 
0061 KOpenAction::KOpenAction(QObject *parent)
0062     : KOpenAction(QIcon(), QString(), parent)
0063 {
0064 }
0065 
0066 KOpenAction::KOpenAction(const QIcon &icon, const QString &text, QObject *parent)
0067     : KToolBarPopupAction(icon, text, parent)
0068     , d(new KOpenActionPrivate(this))
0069 {
0070     setPopupMode(KToolBarPopupAction::NoPopup);
0071     connect(popupMenu(), &QMenu::aboutToShow, this, [this] {
0072         d->onPopupMenuAboutToShow();
0073     });
0074 }
0075 
0076 QWidget *KOpenAction::createWidget(QWidget *parentWidget)
0077 {
0078     if (!d->recentFilesAction) {
0079         // Find the accompanying file_open_recent action.
0080         QAction *action = nullptr;
0081 
0082         if (parent() && parent()->inherits("KActionCollection")) {
0083             const QString openRecentActionId = KStandardAction::name(KStandardAction::OpenRecent);
0084             QMetaObject::invokeMethod(parent(), "action", Q_RETURN_ARG(QAction *, action), Q_ARG(QString, openRecentActionId));
0085         }
0086 
0087         d->recentFilesAction = qobject_cast<KRecentFilesAction *>(action);
0088         if (d->recentFilesAction) {
0089             connect(d->recentFilesAction.data(), &QAction::enabledChanged, this, [this] {
0090                 d->updatePopupMode();
0091             });
0092         }
0093     }
0094 
0095     d->updatePopupMode();
0096 
0097     return KToolBarPopupAction::createWidget(parentWidget);
0098 }
0099 
0100 #include "moc_kopenaction_p.cpp"