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0001 /* This file is part of the KDE libraries
0002     Copyright (c) 2002 Simon Hausmann <hausmann@kde.org>
0003     Copyright (c) 2002 Marc Mutz <mutz@kde.org>
0004     Copyright (c) 2003 Andreas Beckermann <b_mann@gmx.de>
0005 
0006     This library is free software; you can redistribute it and/or
0007     modify it under the terms of the GNU Library General Public
0008     License as published by the Free Software Foundation; either
0009     version 2 of the License, or (at your option) any later version.
0010 
0011     This library 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 GNU
0014     Library General Public License for more details.
0015 
0016     You should have received a copy of the GNU Library General Public License
0017     along with this library; see the file COPYING.LIB.  If not, write to
0018     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
0019     Boston, MA 02110-1301, USA.
0020 */
0021 
0022 #ifndef KDELIBS_KDEVERSION_H
0023 #define KDELIBS_KDEVERSION_H
0024 
0025 /**
0026  * @file kdeversion.h
0027  * @brief The file contains macros and functions related to the KDE version.
0028  */
0029 
0030 #include <kdelibs4support_export.h>
0031 #include <kdelibs4support_version.h>
0032 
0033 /**
0034  * @def KDE_VERSION_STRING
0035  * @ingroup KDEMacros
0036  * @brief Version of KDE as string, at compile time
0037  *
0038  * This macro contains the KDE version in string form. As it is a macro,
0039  * it contains the version at compile time. See versionString() if you need
0040  * the KDE version used at runtime.
0041  *
0042  * @note The version string might contain a section in parentheses,
0043  * especially for development versions of KDE.
0044  * If you use that macro directly for a file format (e.g. OASIS Open Document)
0045  * or for a protocol (e.g. http) be careful that it is appropriate.
0046  * (Fictional) example: "4.0.90 (>=20070101)"
0047  */
0048 #define KDE_VERSION_STRING KDELIBS4SUPPORT_VERSION_STRING
0049 
0050 /**
0051  * @def KDE_VERSION_MAJOR
0052  * @ingroup KDEMacros
0053  * @brief Major version of KDE, at compile time
0054  */
0055 #define KDE_VERSION_MAJOR KDELIBS4SUPPORT_VERSION_MAJOR
0056 /**
0057  * @def KDE_VERSION_MINOR
0058  * @ingroup KDEMacros
0059  * @brief Minor version of KDE, at compile time
0060  */
0061 #define KDE_VERSION_MINOR KDELIBS4SUPPORT_VERSION_MINOR
0062 /**
0063  * @def KDE_VERSION_RELEASE
0064  * @ingroup KDEMacros
0065  * @brief Release version of KDE, at compile time
0066  */
0067 #define KDE_VERSION_RELEASE KDELIBS4SUPPORT_VERSION_PATCH
0068 
0069 /**
0070  * @ingroup KDEMacros
0071  * @brief Make a number from the major, minor and release number of a KDE version
0072  *
0073  * This function can be used for preprocessing when KDE_IS_VERSION is not
0074  * appropriate.
0075  */
0076 #define KDE_MAKE_VERSION( a,b,c ) (((a) << 16) | ((b) << 8) | (c))
0077 
0078 /**
0079  * @ingroup KDEMacros
0080  * @brief Version of KDE as number, at compile time
0081  *
0082  * This macro contains the KDE version in number form. As it is a macro,
0083  * it contains the version at compile time. See version() if you need
0084  * the KDE version used at runtime.
0085  */
0086 #define KDE_VERSION \
0087     KDE_MAKE_VERSION(KDE_VERSION_MAJOR,KDE_VERSION_MINOR,KDE_VERSION_RELEASE)
0088 
0089 /**
0090  * @ingroup KDEMacros
0091  * @brief Check if the KDE version matches a certain version or is higher
0092  *
0093  * This macro is typically used to compile conditionally a part of code:
0094  * @code
0095  * #if KDE_IS_VERSION(4,0,90)
0096  * // Code for KDE 4.1
0097  * #else
0098  * // Code for KDE 4.0
0099  * #endif
0100  * @endcode
0101  *
0102  * @warning Especially during development phases of KDE, be careful
0103  * when choosing the version number that you are checking against.
0104  * Otherwise you might risk to break the next KDE release.
0105  * Therefore be careful that development version have a
0106  * version number lower than the released version, so do not check
0107  * e.g. for KDE 4.1 with KDE_IS_VERSION(4,1,0)
0108  * but with the actual version number at a time a needed feature was introduced.
0109  */
0110 #define KDE_IS_VERSION(a,b,c) ( KDE_VERSION >= KDE_MAKE_VERSION(a,b,c) )
0111 
0112 /**
0113  * Namespace for general KDE functions.
0114  */
0115 namespace KDE
0116 {
0117 /**
0118  * @brief Returns the encoded number of KDE's version, see the KDE_VERSION macro.
0119  *
0120  * In contrary to the macro KDE_VERSION
0121  * this function returns the number of the actually
0122  * installed KDE version, not the number of the KDE version that was
0123  * installed when the program was compiled.
0124  * @return the version number, encoded in a single uint
0125  */
0126 KDELIBS4SUPPORT_DEPRECATED_EXPORT unsigned int version();
0127 /**
0128  * @brief Returns the major number of KDE's version, e.g.
0129  * 4 for KDE 4.1.2.
0130  * @return the major version number
0131  */
0132 KDELIBS4SUPPORT_DEPRECATED_EXPORT unsigned int versionMajor();
0133 /**
0134  * @brief Returns the minor number of KDE's version, e.g.
0135  * 1 for KDE 4.1.2.
0136  * @return the minor version number
0137  */
0138 KDELIBS4SUPPORT_DEPRECATED_EXPORT unsigned int versionMinor();
0139 /**
0140  * @brief Returns the release of KDE's version, e.g.
0141  * 2 for KDE 4.1.2.
0142  * @return the release number
0143  */
0144 KDELIBS4SUPPORT_DEPRECATED_EXPORT unsigned int versionRelease();
0145 /**
0146  * @brief Returns the KDE version as string, e.g. "4.1.2".
0147  *
0148  * On contrary to the macro KDE_VERSION_STRING this function returns
0149  * the version number of KDE at runtime.
0150  * @return the KDE version. You can keep the string forever
0151  */
0152 KDELIBS4SUPPORT_DEPRECATED_EXPORT const char *versionString();
0153 }
0154 
0155 #endif // KDELIBS_KDEVERSION_H