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/* This file is part of the KDE project
Copyright (C) 2003 Daniel Molkentin <molkentin@kde.org>
Copyright (C) 2003 David Faure <faure@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 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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KPARTS_STATUSBAREXTENSION_H
#define KPARTS_STATUSBAREXTENSION_H
#include <tqwidget.h>
#include <tqvaluelist.h>
#include <kdelibs_export.h>
class KStatusBar;
class KMainWindow;
class TQEvent;
namespace KParts
{
class ReadOnlyPart;
// Defined in impl
class StatusBarItem;
/**
* @short An extension for KParts that allows more sophisticated statusbar handling
*
* Every part can use this class to customize the statusbar as long as it is active.
* Add items via addStatusBarItem() and remove an item with removeStatusBarItem().
*
* IMPORTANT: do NOT add any items immediately after constructing the extension.
* Give the application time to set the statusbar in the extension if necessary.
*
* @since 3.2
*/
class KPARTS_EXPORT StatusBarExtension : public TQObject
{
Q_OBJECT
public:
StatusBarExtension( KParts::ReadOnlyPart *parent, const char *name=0L );
~StatusBarExtension();
/**
* This adds a widget to the statusbar for this part.
* If you use this method instead of using statusBar() directly,
* this extension will take care of removing the items when the parts GUI
* is deactivated and will re-add them when it is reactivated.
* The parameters are the same as TQStatusBar::addWidget().
*
* Note that you can't use KStatusBar methods (inserting text items by id)
* but you can create a KStatusBarLabel with a dummy id instead, and use
* it directly in order to get the same look and feel.
*
* @param widget the widget to add
* @param stretch the stretch factor. 0 for a minimum size.
* @param permanent passed to TQStatusBar::addWidget as the "permanent" bool.
* Note that the item isn't really permanent though, it goes away when
* the part is unactivated. This simply controls where temporary messages
* hide the @p widget, and whether it's added to the left or to the right side.
*
* IMPORTANT: do NOT add any items immediately after constructing the extension.
* Give the application time to set the statusbar in the extension if necessary.
*/
void addStatusBarItem( TQWidget * widget, int stretch, bool permanent );
/**
* Remove a @p widget from the statusbar for this part.
*/
void removeStatusBarItem( TQWidget * widget );
/**
* @return the statusbar of the KMainWindow in which this part is currently embedded.
* WARNING: this could return 0L
*/
KStatusBar* statusBar() const;
/**
* This allows the hosting application to set a particular KStatusBar
* for this part. If it doesn't do this, the statusbar used will be
* the one of the KMainWindow in which the part is embedded.
* Konqueror uses this to assign a view-statusbar to the part.
* The part should never call this method!
*/
void setStatusBar( KStatusBar* status );
/**
* Queries @p obj for a child object which inherits from this
* BrowserExtension class. Convenience method.
*/
static StatusBarExtension *childObject( TQObject *obj );
/** @internal */
virtual bool eventFilter( TQObject *watched, TQEvent* ev );
private:
TQValueList<StatusBarItem> m_statusBarItems; // Our statusbar items
mutable KStatusBar* m_statusBar;
// for future extensions
class StatusBarExtensionPrivate;
StatusBarExtensionPrivate *d;
};
}
#endif // KPARTS_STATUSBAREXTENSION_H
// vim: ts=2 sw=2 et
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