kmdifocuslist.cpp

00001 /* This file is part of the KDE project
00002   Copyright (C) 2003 Joseph Wenninger <jowenn@kde.org>
00003 
00004   This library is free software; you can redistribute it and/or
00005   modify it under the terms of the GNU Library General Public
00006   License version 2 as published by the Free Software Foundation.
00007 
00008   This library is distributed in the hope that it will be useful,
00009   but WITHOUT ANY WARRANTY; without even the implied warranty of
00010   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011   Library General Public License for more details.
00012 
00013   You should have received a copy of the GNU Library General Public License
00014   along with this library; see the file COPYING.LIB.  If not, write to
00015   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00016   Boston, MA 02110-1301, USA.
00017 */
00018 
00019 #include "kmdifocuslist.h"
00020 #include "kmdifocuslist.moc"
00021 #include <qobjectlist.h>
00022 #include <kdebug.h>
00023 
00024 KMdiFocusList::KMdiFocusList( QObject *parent ) : QObject( parent )
00025 {}
00026 
00027 KMdiFocusList::~KMdiFocusList()
00028 {}
00029 
00030 void KMdiFocusList::addWidgetTree( QWidget* w )
00031 {
00032     //this method should never be called twice on the same hierarchy
00033     m_list.insert( w, w->focusPolicy() );
00034     w->setFocusPolicy( QWidget::ClickFocus );
00035     kdDebug( 760 ) << "KMdiFocusList::addWidgetTree: adding toplevel" << endl;
00036     connect( w, SIGNAL( destroyed( QObject * ) ), this, SLOT( objectHasBeenDestroyed( QObject* ) ) );
00037     QObjectList *l = w->queryList( "QWidget" );
00038     QObjectListIt it( *l );
00039     QObject *obj;
00040     while ( ( obj = it.current() ) != 0 )
00041     {
00042         QWidget * wid = ( QWidget* ) obj;
00043         m_list.insert( wid, wid->focusPolicy() );
00044         wid->setFocusPolicy( QWidget::ClickFocus );
00045         kdDebug( 760 ) << "KMdiFocusList::addWidgetTree: adding widget" << endl;
00046         connect( wid, SIGNAL( destroyed( QObject * ) ), this, SLOT( objectHasBeenDestroyed( QObject* ) ) );
00047         ++it;
00048     }
00049     delete l;
00050 }
00051 
00052 void KMdiFocusList::restore()
00053 {
00054     for ( QMap<QWidget*, QWidget::FocusPolicy>::const_iterator it = m_list.constBegin();it != m_list.constEnd();++it )
00055     {
00056         it.key() ->setFocusPolicy( it.data() );
00057     }
00058     m_list.clear();
00059 }
00060 
00061 
00062 void KMdiFocusList::objectHasBeenDestroyed( QObject * o )
00063 {
00064     if ( !o || !o->isWidgetType() )
00065         return ;
00066     QWidget *w = ( QWidget* ) o;
00067     m_list.remove( w );
00068 }
00069 
00070 // kate: space-indent off; tab-width 4; replace-tabs off; indent-mode csands;
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