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285 lines
6.9 KiB
285 lines
6.9 KiB
/*
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* klanguagebutton.cpp - Adds some methods for inserting languages.
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*
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* Copyright (c) 1999-2003 Hans Petter Bieker <bieker@kde.org>
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*
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* Requires the Qt widget libraries, available at no cost at
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* http://www.trolltech.com/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#define INCLUDE_MENUITEM_DEF
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#include <tqpopupmenu.h>
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#include <tqlayout.h>
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#include <tqpushbutton.h>
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#include "klanguagebutton.h"
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#include "klanguagebutton.moc"
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#include <kdebug.h>
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static void checkInsertPos( TQPopupMenu *popup, const TQString & str,
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int &index )
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{
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if ( index == -1 )
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return;
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int a = 0;
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int b = popup->count();
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while ( a < b )
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{
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int w = ( a + b ) / 2;
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int id = popup->idAt( w );
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int j = str.localeAwareCompare( popup->text( id ) );
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if ( j > 0 )
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a = w + 1;
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else
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b = w;
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}
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index = a; // it doesn't really matter ... a == b here.
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Q_ASSERT( a == b );
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}
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static TQPopupMenu * checkInsertIndex( TQPopupMenu *popup,
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const TQStringList *tags, const TQString &submenu )
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{
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int pos = tags->findIndex( submenu );
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TQPopupMenu *pi = 0;
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if ( pos != -1 )
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{
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TQMenuItem *p = popup->findItem( pos );
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pi = p ? p->popup() : 0;
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}
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if ( !pi )
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pi = popup;
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return pi;
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}
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class KLanguageButtonPrivate
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{
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public:
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TQPushButton * button;
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bool staticText;
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};
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KLanguageButton::KLanguageButton( TQWidget * parent, const char *name )
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: TQWidget( parent, name )
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{
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init(name);
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}
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KLanguageButton::KLanguageButton( const TQString & text, TQWidget * parent, const char *name )
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: TQWidget( parent, name )
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{
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init(name);
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setText(text);
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}
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void KLanguageButton::setText(const TQString & text)
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{
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d->staticText = true;
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d->button->setText(text);
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d->button->setIconSet(TQIconSet()); // remove the icon
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}
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void KLanguageButton::init(const char * name)
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{
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m_current = 0;
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m_ids = new TQStringList;
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m_popup = 0;
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m_oldPopup = 0;
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d = new KLanguageButtonPrivate;
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d->staticText = false;
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TQHBoxLayout *layout = new TQHBoxLayout(this, 0, 0);
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layout->setAutoAdd(true);
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d->button = new TQPushButton( this, name ); // HPB don't touch this!!
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clear();
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}
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KLanguageButton::~KLanguageButton()
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{
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delete m_ids;
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delete d->button;
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delete d;
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}
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void KLanguageButton::insertLanguage( const TQString& path, const TQString& name,
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const TQString&, const TQString &submenu, int index )
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{
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TQString output = name + TQString::fromLatin1( " (" ) + path +
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TQString::fromLatin1( ")" );
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#if 0
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// Nooooo ! Country != language
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TQPixmap flag( locate( "locale", sub + path +
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TQString::fromLatin1( "/flag.png" ) ) );
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#endif
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insertItem( output, path, submenu, index );
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}
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void KLanguageButton::insertItem( const TQIconSet& icon, const TQString &text,
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const TQString & id, const TQString &submenu, int index )
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{
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TQPopupMenu *pi = checkInsertIndex( m_popup, m_ids, submenu );
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checkInsertPos( pi, text, index );
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pi->insertItem( icon, text, count(), index );
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m_ids->append( id );
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}
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void KLanguageButton::insertItem( const TQString &text, const TQString & id,
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const TQString &submenu, int index )
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{
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insertItem( TQIconSet(), text, id, submenu, index );
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}
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void KLanguageButton::insertSeparator( const TQString &submenu, int index )
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{
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TQPopupMenu *pi = checkInsertIndex( m_popup, m_ids, submenu );
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pi->insertSeparator( index );
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m_ids->append( TQString::null );
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}
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void KLanguageButton::insertSubmenu( const TQIconSet & icon,
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const TQString &text, const TQString &id,
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const TQString &submenu, int index )
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{
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TQPopupMenu *pi = checkInsertIndex( m_popup, m_ids, submenu );
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TQPopupMenu *p = new TQPopupMenu( pi );
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checkInsertPos( pi, text, index );
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pi->insertItem( icon, text, p, count(), index );
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m_ids->append( id );
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connect( p, TQT_SIGNAL( activated( int ) ),
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TQT_SLOT( slotActivated( int ) ) );
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connect( p, TQT_SIGNAL( highlighted( int ) ), this,
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TQT_SLOT( slotHighlighted( int ) ) );
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}
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void KLanguageButton::insertSubmenu( const TQString &text, const TQString &id,
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const TQString &submenu, int index )
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{
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insertSubmenu(TQIconSet(), text, id, submenu, index);
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}
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void KLanguageButton::slotActivated( int index )
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{
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//kdDebug() << "slotActivated" << index << endl;
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setCurrentItem( index );
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// Forward event from popup menu as if it was emitted from this widget:
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TQString id = *m_ids->at( index );
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emit activated( id );
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}
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void KLanguageButton::slotHighlighted( int index )
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{
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//kdDebug() << "slotHighlighted" << index << endl;
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TQString id = *m_ids->at( index );
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emit ( highlighted(id) );
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}
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int KLanguageButton::count() const
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{
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return m_ids->count();
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}
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void KLanguageButton::clear()
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{
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m_ids->clear();
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delete m_oldPopup;
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m_oldPopup = m_popup;
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m_popup = new TQPopupMenu( this );
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d->button->setPopup( m_popup );
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connect( m_popup, TQT_SIGNAL( activated( int ) ),
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TQT_SLOT( slotActivated( int ) ) );
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connect( m_popup, TQT_SIGNAL( highlighted( int ) ),
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TQT_SLOT( slotHighlighted( int ) ) );
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if ( !d->staticText )
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{
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d->button->setText( TQString::null );
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d->button->setIconSet( TQIconSet() );
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}
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}
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bool KLanguageButton::contains( const TQString & id ) const
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{
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return m_ids->contains( id ) > 0;
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}
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TQString KLanguageButton::current() const
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{
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return *m_ids->at( currentItem() );
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}
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TQString KLanguageButton::id( int i ) const
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{
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if ( i < 0 || i >= count() )
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{
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kdDebug() << "KLanguageButton::tag(), unknown tag " << i << endl;
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return TQString::null;
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}
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return *m_ids->at( i );
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}
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int KLanguageButton::currentItem() const
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{
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return m_current;
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}
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void KLanguageButton::setCurrentItem( int i )
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{
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if ( i < 0 || i >= count() )
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return;
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m_current = i;
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if ( !d->staticText )
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{
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d->button->setText( m_popup->text( m_current ) );
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TQIconSet *icon = m_popup->iconSet( m_current );
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if ( icon )
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d->button->setIconSet( *icon );
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else
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d->button->setIconSet( TQIconSet() );
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}
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}
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void KLanguageButton::setCurrentItem( const TQString & id )
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{
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int i = m_ids->findIndex( id );
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if ( id.isNull() )
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i = 0;
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if ( i != -1 )
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setCurrentItem( i );
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}
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