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tdevelop/lib/util/configwidgetproxy.h

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/* This file is part of the KDE project
Copyright (C) 2004 Jens Dagerbo <jens.dagerbo@swipnet.se>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef _CONFIGWIDGETPROXY_H
#define _CONFIGWIDGETPROXY_H
#include <qobject.h>
#include <qstring.h>
#include <qmap.h>
class KDevCore;
class KDialogBase;
/**
@file configwidgetproxy.h
Configuration widget proxy class.
*/
/**
This class can be used to implement demand-loading of config pages.
In order to avoid the potentially heavy and unneccessary creation
of a config page that might not be needed, this class can be used
to delay the config page creation until the user explicitly asks
for it.
A typical case looks like this:
@code
#define GLOBALDOC_OPTIONS 1
#define PROJECTDOC_OPTIONS 2
_configProxy = new ConfigWidgetProxy( core() );
_configProxy->createGlobalConfigPage( i18n("My Part"), GLOBALDOC_OPTIONS, info()->icon() );
_configProxy->createProjectConfigPage( i18n("My Part"), PROJECTDOC_OPTIONS, info()->icon() );
connect( _configProxy, SIGNAL(insertConfigWidget(const QObject*, QWidget*, unsigned int )),
this, SLOT(insertConfigWidget(const QObject*, QWidget*, unsigned int )) );
...
...
void MyPart::insertConfigWidget( QObject const * dlg, QWidget * page, unsigned int pagenumber )
{
if ( pagenumber == PROJECTDOC_OPTIONS ) {
MyPartGlobalSettings * w = new MyPartGlobalSettings( this, page );
connect( dlg, SIGNAL(okClicked()), w, SLOT(slotAccept()) );
} else if ( pagenumber == PROJECTDOC_OPTIONS ) {
MyPartProjectSettings * w = new MyPartProjectSettings( this, page );
connect( dlg, SIGNAL(okClicked()), w, SLOT(slotAccept()) );
}
}
@endcode
Note that this replaces the functionality of typical KDevCore::configWidget() and
KDevCore::projectConfigWidget() slots.
*/
class ConfigWidgetProxy : public QObject
{
Q_OBJECT
public:
/**Constructor.
@param core An instance of KDevelop Core.*/
ConfigWidgetProxy( KDevCore * core );
virtual ~ConfigWidgetProxy();
/**
* Tells the proxy you want a page in the Global Settings.
* @param title The title of the config page, shown in the settings dialog.
* @param pagenumber A per-proxy unique identifier, used when responding to insertConfigWidget() signal.
* @param icon The name of the icon to use.
*/
void createGlobalConfigPage( QString const & title, unsigned int pagenumber, QString const & icon = "kdevelop" );
/**
* Tells the proxy you want a page in the Project Settings.
* @param title The title of the config page, shown in the settings dialog.
* @param pagenumber A per-proxy unique identifier, used when responding to insertConfigWidget() signal.
* @param icon The name of the icon to use.
*/
void createProjectConfigPage( QString const & title, unsigned int pagenumber, QString const & icon = "kdevelop" );
/**
* Removes a config page from the proxy. Next time the settings dialog opens, this page will not be available.
* @param pagenumber The identifier set in createGlobalConfigPage() or createProjectConfigPage().
*/
void removeConfigPage( int pagenumber );
signals:
/**
* The proxy emits this signal to notify the client that a specific config page has been requested.
* @param dlg The settings dialog. The client should connect to its okClicked() signal.
* @param page The setting page. The client should use this as parent to the config widget.
* @param pagenumber The identifier set in createGlobalConfigPage() or createProjectConfigPage(). Identifies the requested config page.
*/
void insertConfigWidget( const KDialogBase * dlg, QWidget * page, unsigned int pagenumber );
private slots:
void slotConfigWidget( KDialogBase * );
void slotProjectConfigWidget( KDialogBase * );
void slotConfigWidgetDestroyed();
void slotAboutToShowPage( QWidget * page );
private:
typedef QMap<unsigned int, QPair<QString,QString> > TitleMap;
typedef QMap<QWidget*, int> PageMap;
TitleMap _globalTitleMap;
TitleMap _projectTitleMap;
PageMap _pageMap;
};
#endif
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