1 /*
2     Copyright (C) 2011 Harald Sitter <sitter@kde.org>
3 
4     This library is free software; you can redistribute it and/or
5     modify it under the terms of the GNU Lesser General Public
6     License as published by the Free Software Foundation; either
7     version 2.1 of the License, or (at your option) version 3, or any
8     later version accepted by the membership of KDE e.V. (or its
9     successor approved by the membership of KDE e.V.), Nokia Corporation
10     (or its successors, if any) and the KDE Free Qt Foundation, which shall
11     act as a proxy defined in Section 6 of version 3 of the license.
12 
13     This library is distributed in the hope that it will be useful,
14     but WITHOUT ANY WARRANTY; without even the implied warranty of
15     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16     Lesser General Public License for more details.
17 
18     You should have received a copy of the GNU Lesser General Public
19     License along with this library.  If not, see <http://www.gnu.org/licenses/>.
20 */
21 
22 #ifndef PHONONPIMPL_P_H
23 #define PHONONPIMPL_P_H
24 
25 /**
26  * Declares and defines helpers to access a public class.
27  */
28 #define P_DECLARE_PUBLIC(Class) \
29     inline Class* q_func() { return static_cast<Class *>(q_ptr); } \
30     inline const Class* q_func() const { return static_cast<const Class *>(q_ptr); } \
31     friend class Class;
32 
33 /**
34  * Get pointer to private class instance.
35  * \see P_DECLARE_PRIVATE
36  */
37 #define P_D(Class) Class##Private *const d = k_func()
38 
39 /**
40  * Get pointer to public class instance.
41  * \see P_DECLARE_PUBLIC
42  */
43 #define P_Q(Class) Class *const q = q_func()
44 
45 #endif // PHONONPIMPL_P_H
46