libyui-qt
2.43.5
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00001 /* 00002 Copyright (C) 2000-2012 Novell, Inc 00003 This library is free software; you can redistribute it and/or modify 00004 it under the terms of the GNU Lesser General Public License as 00005 published by the Free Software Foundation; either version 2.1 of the 00006 License, or (at your option) version 3.0 of the License. This library 00007 is distributed in the hope that it will be useful, but WITHOUT ANY 00008 WARRANTY; without even the implied warranty of MERCHANTABILITY or 00009 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00010 License for more details. You should have received a copy of the GNU 00011 Lesser General Public License along with this library; if not, write 00012 to the Free Software Foundation, Inc., 51 Franklin Street, Fifth 00013 Floor, Boston, MA 02110-1301 USA 00014 */ 00015 00016 00017 /*-/ 00018 00019 File: YQSignalBlocker.h 00020 00021 Author: Stefan Hundhammer <sh@suse.de> 00022 00023 /-*/ 00024 00025 #ifndef YQSignalBlocker_h 00026 #define YQSignalBlocker_h 00027 00028 class QObject; 00029 00030 /** 00031 * Helper class to block Qt signals for QWidgets or QObjects as long as this 00032 * object exists. 00033 * 00034 * This object will restore the old blocked state when it goes out of scope. 00035 **/ 00036 class YQSignalBlocker 00037 { 00038 public: 00039 00040 /** 00041 * Constructor. 00042 * 00043 * Qt signals for 'qobject' will be blocked as long as this object exists. 00044 * Remember that a QWidget is also a QObject. 00045 **/ 00046 YQSignalBlocker( QObject * qobject ); 00047 00048 /** 00049 * Destructor. 00050 * 00051 * This will restore the old signal state. 00052 **/ 00053 ~YQSignalBlocker(); 00054 00055 00056 private: 00057 00058 QObject * _qobject; 00059 bool _oldBlockedState; 00060 }; 00061 00062 00063 #endif // ifndef YQSignalBlocker_h