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0001 // vim: set tabstop=4 shiftwidth=4 expandtab: 0002 /* 0003 Gwenview: an image viewer 0004 Copyright 2014 Aurélien Gâteau <agateau@kde.org> 0005 0006 This program is free software; you can redistribute it and/or 0007 modify it under the terms of the GNU General Public License 0008 as published by the Free Software Foundation; either version 2 0009 of the License, or (at your option) any later version. 0010 0011 This program is distributed in the hope that it will be useful, 0012 but WITHOUT ANY WARRANTY; without even the implied warranty of 0013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 0014 GNU General Public License for more details. 0015 0016 You should have received a copy of the GNU General Public License 0017 along with this program. If not, see <http://www.gnu.org/licenses/>. 0018 */ 0019 #ifndef DISABLEDACTIONSHORTCUTMONITOR_H 0020 #define DISABLEDACTIONSHORTCUTMONITOR_H 0021 0022 #include <lib/gwenviewlib_export.h> 0023 0024 // Local 0025 0026 // KF 0027 0028 // Qt 0029 #include <QObject> 0030 0031 class QAction; 0032 0033 namespace Gwenview 0034 { 0035 class DisabledActionShortcutMonitorPrivate; 0036 /** 0037 * Monitors an action and emits a signal if one tries to trigger the action 0038 * using its shortcut while it is disabled. 0039 */ 0040 class GWENVIEWLIB_EXPORT DisabledActionShortcutMonitor : public QObject 0041 { 0042 Q_OBJECT 0043 public: 0044 /** 0045 * parent must be a widget because we need to create a QShortcut 0046 */ 0047 DisabledActionShortcutMonitor(QAction *action, QObject *parent); 0048 ~DisabledActionShortcutMonitor() override; 0049 0050 Q_SIGNALS: 0051 void activated(); 0052 0053 protected: 0054 bool eventFilter(QObject *object, QEvent *event) override; 0055 0056 private: 0057 DisabledActionShortcutMonitorPrivate *const d; 0058 }; 0059 0060 } // namespace 0061 0062 #endif /* DISABLEDACTIONSHORTCUTMONITOR_H */