File indexing completed on 2024-04-14 03:57:07

0001 /*
0002     This file is part of the KDE libraries
0003     SPDX-FileCopyrightText: 1999 Reginald Stadlbauer <reggie@kde.org>
0004     SPDX-FileCopyrightText: 1999 Simon Hausmann <hausmann@kde.org>
0005     SPDX-FileCopyrightText: 2000 Nicolas Hadacek <haadcek@kde.org>
0006     SPDX-FileCopyrightText: 2000 Kurt Granroth <granroth@kde.org>
0007     SPDX-FileCopyrightText: 2000 Michael Koch <koch@kde.org>
0008     SPDX-FileCopyrightText: 2001 Holger Freyther <freyther@kde.org>
0009     SPDX-FileCopyrightText: 2002 Ellis Whitehead <ellis@kde.org>
0010     SPDX-FileCopyrightText: 2002 Joseph Wenninger <jowenn@kde.org>
0011     SPDX-FileCopyrightText: 2005-2006 Hamish Rodda <rodda@kde.org>
0012 
0013     SPDX-License-Identifier: LGPL-2.0-only
0014 */
0015 
0016 #include <QAction>
0017 #include <QCoreApplication>
0018 #include <QShortcutEvent>
0019 
0020 #include <KLocalizedString>
0021 #include <KMessageBox>
0022 
0023 class KActionConflictDetector : public QObject
0024 {
0025     Q_OBJECT
0026 public:
0027     explicit KActionConflictDetector(QObject *parent = nullptr)
0028         : QObject(parent)
0029     {
0030     }
0031 
0032     bool eventFilter(QObject *watched, QEvent *event) override
0033     {
0034         if (event->type() == QEvent::Shortcut && qobject_cast<QAction *>(watched)) {
0035             QShortcutEvent *se = static_cast<QShortcutEvent *>(event);
0036             if (se->isAmbiguous()) {
0037                 KMessageBox::information(nullptr, // No widget to be seen around here
0038                                          i18n("The key sequence '%1' is ambiguous. Use 'Configure Keyboard Shortcuts'\n"
0039                                               "from the 'Settings' menu to solve the ambiguity.\n"
0040                                               "No action will be triggered.",
0041                                               se->key().toString(QKeySequence::NativeText)),
0042                                          i18nc("@title:window", "Ambiguous shortcut detected"));
0043                 return true;
0044             }
0045         }
0046 
0047         return QObject::eventFilter(watched, event);
0048     }
0049 };
0050 
0051 void _k_installConflictDetector()
0052 {
0053     QCoreApplication *app = QCoreApplication::instance();
0054     app->installEventFilter(new KActionConflictDetector(app));
0055 }
0056 
0057 Q_COREAPP_STARTUP_FUNCTION(_k_installConflictDetector)
0058 
0059 #include "kactionconflictdetector.moc"