| -rw-r--r-- | libopie2/opiecore/oconfig.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libopie2/opiecore/oconfig.h b/libopie2/opiecore/oconfig.h index 8c3060c..ab95dc3 100644 --- a/libopie2/opiecore/oconfig.h +++ b/libopie2/opiecore/oconfig.h @@ -1,52 +1,53 @@ /* This file is part of the Opie Project (C) 2003 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> + Inspired by the config classes from the KDE Project which are =. (C) 1997 Matthias Kalle Dalheimer <kalle@kde.org> .=l. .>+-= _;:, .> :=|. This program is free software; you can .> <`_, > . <= redistribute it and/or modify it under :`=1 )Y*s>-.-- : the terms of the GNU Library General Public .="- .-=="i, .._ License as published by the Free Software - . .-<_> .<> Foundation; either version 2 of the License, ._= =} : or (at your option) any later version. .%`+i> _;_. .i_,=:_. -<s. This program is distributed in the hope that + . -:. = it will be useful, but WITHOUT ANY WARRANTY; : .. .:, . . . without even the implied warranty of =_ + =;=|` MERCHANTABILITY or FITNESS FOR A _.=:. : :=>`: PARTICULAR PURPOSE. See the GNU ..}^=.= = ; Library General Public License for more ++= -. .` .: details. : = ...= . :.=- -. .:....=;==+<; You should have received a copy of the GNU -_. . . )=. = Library General Public License along with -- :-=` this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef OCONFIG_H #define OCONFIG_H //FIXME: Implement for X11 or reuse libqpe/Config there also? //FIXME: Or rather use QSettings also for libqpe? #include <qpe/config.h> class QColor; class QFont; namespace Opie { namespace Core { /** * A Configuration class based on the Qtopia @ref Config class * featuring additional handling of color and font entries */ class OConfig : public Config { @@ -63,92 +64,100 @@ class OConfig : public Config */ virtual ~OConfig(); /** * @returns the name of the current group. * The current group is used for searching keys and accessing entries. * @todo make const */ const QString& group()const { return git.key(); }; /** * @returns a @ref QColor entry or a @a default value if the key is not found. */ QColor readColorEntry( const QString& key, const QColor* pDefault ) const; /** * @returns a @ref QFont value or a @a default value if the key is not found. */ QFont readFontEntry( const QString& key, const QFont* pDefault ) const; private: class Private; Private *d; }; /** * @brief Helper class for easier use of OConfig groups. * * Careful programmers always set the group of a * @ref OConfig object to the group they want to read from * and set it back to the old one of afterwards. This is usually * written as: * <pre> * * QString oldgroup config()->group(); * config()->setGroup( "TheGroupThatIWant" ); * ... * config()->writeEntry( "Blah", "Blubb" ); * * config()->setGroup( oldgroup ); * </pre> * * In order to facilitate this task, you can use * OConfigGroupSaver. Simply construct such an object ON THE STACK * when you want to switch to a new group. Then, when the object goes * out of scope, the group will automatically be restored. If you * want to use several different groups within a function or method, * you can still use OConfigGroupSaver: Simply enclose all work with * one group (including the creation of the OConfigGroupSaver object) * in one block. * + * \code + * OConfigGroupSaver saver(cfg,"TheGroupThatInWhat"); + * \endcode + * + * Note that OConfigGroupSaver (cfg,"TheGroupThatInWhat"); would get imediately + * destructed after created and that you would save in the old group which + * is unwished. + * * @author Matthias Kalle Dalheimer <Kalle@kde.org> * @version $Id$ * @see OConfig */ class OConfigGroupSaver { public: /** * Constructor. * Create the object giving a @config object and a @a group to become * the current group. */ OConfigGroupSaver( OConfig* config, QString group ) :_config(config), _oldgroup(config->group() ) { _config->setGroup( group ); } OConfigGroupSaver( OConfig* config, const char *group ) :_config(config), _oldgroup(config->group()) { _config->setGroup( group ); } OConfigGroupSaver( OConfig* config, const QCString &group ) : _config(config), _oldgroup(config->group()) { _config->setGroup( group ); } /** * Destructor. * Restores the last current group. * @todo make it not inline for bc reasons. See KDE BC guide */ ~OConfigGroupSaver() { _config->setGroup( _oldgroup ); } OConfig* config() { return _config; }; private: OConfig* _config; QString _oldgroup; OConfigGroupSaver( const OConfigGroupSaver& ); OConfigGroupSaver& operator=( const OConfigGroupSaver& ); class Private; Private *d; }; } } #endif // OCONFIG_H |