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/* This file is part of the KDE project
Copyright (C) 2002-2003 Matthias Kretz <kretz@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library 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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KPLUGINSELECTOR_H
#define KPLUGINSELECTOR_H
#include <tqwidget.h>
#include <tqstring.h>
#include <kdelibs_export.h>
class KInstance;
class KPluginInfo;
class QWidgetStack;
class KConfig;
class KConfigGroup;
/**
* @ingroup main
* @ingroup plugin
* @short A widget to select what plugins to load and configure the plugins.
*
* It shows the list of available plugins on top (if there's more than one
* category this is a TabWidget) and the configuration of the selected plugin
* below that.
*
* Since the user needs a way to know what a specific plugin does every plugin
* sould install a desktop file containing a name, comment and category field.
* The category is usefull for applications that can use different kinds of
* plugins like a playlist, skin or visualization.
*
* The location of these desktop files is the
* share/apps/<instancename>/<plugindir> directory. But if you need
* you may use a different directory.
*
* Often a program has more than one kind of plugin. In that case you want to
* make a visible distinction between those plugins. All you have to do is to
* create a KPluginSelectionWidget for every category and then add them all
* to the KPluginSelector.
*
* @author Matthias Kretz <kretz@kde.org>
* @since 3.2
*/
class KUTILS_EXPORT KPluginSelector : public QWidget
{
friend class KPluginSelectionWidget;
Q_OBJECT
public:
/**
* Create a new KPluginSelector.
*/
KPluginSelector( TQWidget * parent, const char * name = 0 );
~KPluginSelector();
/**
* Add a list of KParts plugins
*
* If you want to support non-KParts plugins use the following
* function.
*
* The information about the plugins will be loaded from the
* share/apps/<instancename>/kpartplugins directory.
*
* @param instanceName The name of the KInstance of the plugin's parent.
* @param catname The translated name of the category. This is the
* name that is shown in the TabWidget if there is
* more than one category.
* @param category When you have different categories of KParts
* plugins you distinguish between the plugins using
* the Category key in the .desktop file. Use this
* parameter to select only those KParts plugins
* with the Category key == @p category. If @p
* category is not set the Category key is ignored
* and all plugins are shown.
* @param config The KConfig object that holds the state of the
* plugins being enabled or not. By default it should
* be instance->config(). It is recommended to
* always pass a KConfig object if you use
* KSettings::PluginPage since you never know from where the
* page will be called (think global config app).
* For example KViewCanvas passes KSimpleConfig(
* "kviewcanvas" ).
*/
void addPlugins( const TQString & instanceName,
const TQString & catname = TQString::null,
const TQString & category = TQString::null,
KConfig * config = 0 );
/**
* Add a list of KParts plugins. Convenience method for the one above.
* If not set explicitely, @p config is set to instance->config().
*/
void addPlugins( const KInstance * instance,
const TQString & catname = TQString::null,
const TQString & category = TQString::null,
KConfig * config = 0 );
/**
* Add a list of non-KParts plugins
*
* @param plugininfos A list of KPluginInfo objects containing the
* necessary information for the plugins you want to
* add to the list.
* @param catname The translated name of the category. This is the
* name that is shown in the TabWidget if there is
* more than one category.
* @param category When you have different categories of KParts
* plugins you distinguish between the plugins using
* the Category key in the .desktop file. Use this
* parameter to select only those KParts plugins
* with the Category key == @p category. If @p
* category is not set the Category key is ignored
* and all plugins are shown.
* @param config The KConfig object that holds the state of the
* plugins being enabled or not. By default it will
* use KGlobal::config(). It is recommended to
* always pass a KConfig object if you use
* KSettings::PluginPage since you never know from where the
* page will be called (think global config app).
* For example KViewCanvas passes KSimpleConfig(
* "kviewcanvas" ).
*/
void addPlugins( const TQValueList<KPluginInfo*> & plugininfos,
const TQString & catname = TQString::null,
const TQString & category = TQString::null,
KConfig * config = 0 );
/**
* Set whether the area for showing the KCMs of the plugins should be
* hidden if the plugin doesn't have a KCM or whether the layout should
* rather stay static and only an message should be shown.
*
* By default the config page is not hidden.
*/
void setShowEmptyConfigPage( bool );
/**
* Load the state of the plugins (selected or not) from the KPluginInfo
* objects. For KParts plugins everything should work automatically. For
* your own type of plugins you might need to reimplement the
* KPluginInfo::isPluginEnabled() method. If that doesn't fit your needs
* you can also reimplement this method.
*/
void load();
/**
* Save the configuration
*/
void save();
/**
* Change to applications defaults
*/
void defaults();
signals:
/**
* Tells you whether the configuration is changed or not.
*/
void changed( bool );
/**
* Emitted after the config of an embedded KCM has been saved. The
* argument is the name of the parent component that needs to reload
* its config
*/
void configCommitted( const TQCString & instanceName );
private:
/**
* return the KCM widgetstack
*
* @internal
*/
TQWidgetStack * widgetStack();
/**
* Show an info page in the widgetstack.
*
* @internal
*/
void configPage( int id );
/**
* @internal
*/
void checkNeedForTabWidget();
/**
* @internal
*/
void addPluginsInternal( const TQValueList<KPluginInfo*> plugininfos,
const TQString & catname, const TQString & category,
KConfigGroup* cfgGroup );
class KPluginSelectorPrivate;
KPluginSelectorPrivate * d;
};
// vim: sw=4 sts=4 et tw=80
#endif // KPLUGINSELECTOR_H
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