00001 /**************************************************************************** 00002 ** 00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). 00004 ** All rights reserved. 00005 ** Contact: Nokia Corporation (qt-info@nokia.com) 00006 ** 00007 ** This file is part of the QtGui module of the Qt Toolkit. 00008 ** 00009 ** $QT_BEGIN_LICENSE:LGPL$ 00010 ** Commercial Usage 00011 ** Licensees holding valid Qt Commercial licenses may use this file in 00012 ** accordance with the Qt Commercial License Agreement provided with the 00013 ** Software or, alternatively, in accordance with the terms contained in 00014 ** a written agreement between you and Nokia. 00015 ** 00016 ** GNU Lesser General Public License Usage 00017 ** Alternatively, this file may be used under the terms of the GNU Lesser 00018 ** General Public License version 2.1 as published by the Free Software 00019 ** Foundation and appearing in the file LICENSE.LGPL included in the 00020 ** packaging of this file. Please review the following information to 00021 ** ensure the GNU Lesser General Public License version 2.1 requirements 00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 00023 ** 00024 ** In addition, as a special exception, Nokia gives you certain additional 00025 ** rights. These rights are described in the Nokia Qt LGPL Exception 00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module. 00027 ** 00028 ** GNU General Public License Usage 00029 ** Alternatively, this file may be used under the terms of the GNU 00030 ** General Public License version 3.0 as published by the Free Software 00031 ** Foundation and appearing in the file LICENSE.GPL included in the 00032 ** packaging of this file. Please review the following information to 00033 ** ensure the GNU General Public License version 3.0 requirements will be 00034 ** met: http://www.gnu.org/copyleft/gpl.html. 00035 ** 00036 ** If you have questions regarding the use of this file, please contact 00037 ** Nokia at qt-info@nokia.com. 00038 ** $QT_END_LICENSE$ 00039 ** 00040 ****************************************************************************/ 00041 00042 #ifndef QWHATSTHIS_H 00043 #define QWHATSTHIS_H 00044 00045 #include <QtCore/qobject.h> 00046 #include <QtGui/qcursor.h> 00047 00048 QT_BEGIN_HEADER 00049 00050 QT_BEGIN_NAMESPACE 00051 00052 QT_MODULE(Gui) 00053 00054 #ifndef QT_NO_WHATSTHIS 00055 00056 class QAction; 00057 #ifdef QT3_SUPPORT 00058 class QToolButton; 00059 #endif 00060 00061 class Q_GUI_EXPORT QWhatsThis 00062 { 00063 QWhatsThis(); 00064 00065 public: 00066 static void enterWhatsThisMode(); 00067 static bool inWhatsThisMode(); 00068 static void leaveWhatsThisMode(); 00069 00070 static void showText(const QPoint &pos, const QString &text, QWidget *w = 0); 00071 static void hideText(); 00072 00073 static QAction *createAction(QObject *parent = 0); 00074 00075 #ifdef QT3_SUPPORT 00076 static QT3_SUPPORT void add(QWidget *w, const QString &s); 00077 static QT3_SUPPORT void remove(QWidget *); 00078 static QT3_SUPPORT QToolButton *whatsThisButton(QWidget *parent); 00079 #endif 00080 }; 00081 00082 #endif // QT_NO_WHATSTHIS 00083 00084 QT_END_NAMESPACE 00085 00086 QT_END_HEADER 00087 00088 #endif // QWHATSTHIS_H