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Diffstat (limited to 'lib/util/configwidgetproxy.h')
| -rw-r--r-- | lib/util/configwidgetproxy.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/lib/util/configwidgetproxy.h b/lib/util/configwidgetproxy.h new file mode 100644 index 00000000..6380d002 --- /dev/null +++ b/lib/util/configwidgetproxy.h @@ -0,0 +1,129 @@ +/* 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 + +// kate: space-indent off; indent-width 4; replace-tabs off; tab-width 4; |