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/* This file is part of the KDE libraries
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Copyright (C) Stephan Kulow <coolo@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <tdelocale.h>
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#include <kdebug.h>
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#include <kstaticdeleter.h>
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#include <config-tdefile.h>
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#include "tdefilefiltercombo.h"
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class KFileFilterCombo::KFileFilterComboPrivate
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{
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public:
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KFileFilterComboPrivate() {
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hasAllSupportedFiles = false;
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defaultFilter = i18n("*|All Files");
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isMimeFilter = false;
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}
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// when we have more than 3 mimefilters and no default-filter,
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// we don't show the comments of all mimefilters in one line,
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// instead we show "All supported files". We have to translate
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// that back to the list of mimefilters in currentFilter() tho.
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bool hasAllSupportedFiles;
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// true when setMimeFilter was called
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bool isMimeFilter;
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TQString lastFilter;
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TQString defaultFilter;
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};
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KFileFilterCombo::KFileFilterCombo( TQWidget *parent, const char *name)
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: KComboBox(true, parent, name), d( new KFileFilterComboPrivate )
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{
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setTrapReturnKey( true );
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setInsertionPolicy(NoInsertion);
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connect( this, TQT_SIGNAL( activated( int )), this, TQT_SIGNAL( filterChanged() ));
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connect( this, TQT_SIGNAL( returnPressed() ), this, TQT_SIGNAL( filterChanged() ));
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connect( this, TQT_SIGNAL( filterChanged() ), TQT_SLOT( slotFilterChanged() ));
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m_allTypes = false;
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}
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KFileFilterCombo::~KFileFilterCombo()
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{
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delete d;
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}
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void KFileFilterCombo::setFilter(const TQString& filter)
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{
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clear();
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filters.clear();
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d->hasAllSupportedFiles = false;
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if (!filter.isEmpty()) {
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TQString tmp = filter;
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int index = tmp.find('\n');
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while (index > 0) {
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filters.append(tmp.left(index));
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tmp = tmp.mid(index + 1);
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index = tmp.find('\n');
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}
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filters.append(tmp);
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}
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else
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filters.append( d->defaultFilter );
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TQStringList::ConstIterator it;
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TQStringList::ConstIterator end(filters.end());
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for (it = filters.begin(); it != end; ++it) {
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int tab = (*it).find('|');
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insertItem((tab < 0) ? *it :
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(*it).mid(tab + 1));
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}
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d->lastFilter = currentText();
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d->isMimeFilter = false;
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}
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TQString KFileFilterCombo::currentFilter() const
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{
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TQString f = currentText();
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if (f == text(currentItem())) { // user didn't edit the text
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f = *filters.at(currentItem());
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if ( d->isMimeFilter || (currentItem() == 0 && d->hasAllSupportedFiles) ) {
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return f; // we have a mimetype as filter
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}
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}
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int tab = f.find('|');
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if (tab < 0)
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return f;
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else
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return f.left(tab);
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}
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void KFileFilterCombo::setCurrentFilter( const TQString& filter )
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{
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int pos = 0;
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for( TQStringList::ConstIterator it = filters.begin();
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it != filters.end();
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++it, ++pos ) {
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if( *it == filter ) {
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setCurrentItem( pos );
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filterChanged();
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return;
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}
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}
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setCurrentText( filter );
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filterChanged();
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}
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void KFileFilterCombo::setMimeFilter( const TQStringList& types,
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const TQString& defaultType )
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{
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clear();
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filters.clear();
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TQString delim = TQString::fromLatin1(", ");
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d->hasAllSupportedFiles = false;
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m_allTypes = defaultType.isEmpty() && (types.count() > 1);
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TQString allComments, allTypes;
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int i = 0;
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for(TQStringList::ConstIterator it = types.begin(); it != types.end(); ++it, ++i)
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{
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if ( m_allTypes && it != types.begin() ) {
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allComments += delim;
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allTypes += ' ';
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}
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kdDebug(tdefile_area) << *it << endl;
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KMimeType::Ptr type = KMimeType::mimeType( *it );
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filters.append( type->name() );
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if ( m_allTypes )
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{
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allTypes += type->name();
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allComments += type->comment();
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}
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insertItem( type->comment() );
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if ( type->name() == defaultType )
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setCurrentItem( i );
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}
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if ( m_allTypes )
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{
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if ( i < 3 ) // show the mime-comments of at max 3 types
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insertItem( allComments, 0 );
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else {
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insertItem( i18n("All Supported Files"), 0 );
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d->hasAllSupportedFiles = true;
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}
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filters.prepend( allTypes );
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}
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d->lastFilter = currentText();
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d->isMimeFilter = true;
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}
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void KFileFilterCombo::slotFilterChanged()
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{
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d->lastFilter = currentText();
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}
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bool KFileFilterCombo::eventFilter( TQObject *o, TQEvent *e )
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{
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if ( o == lineEdit() && e->type() == TQEvent::FocusOut ) {
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if ( currentText() != d->lastFilter )
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emit filterChanged();
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}
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return KComboBox::eventFilter( o, e );
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}
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void KFileFilterCombo::setDefaultFilter( const TQString& filter )
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{
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d->defaultFilter = filter;
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}
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TQString KFileFilterCombo::defaultFilter() const
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{
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return d->defaultFilter;
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}
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void KFileFilterCombo::virtual_hook( int id, void* data )
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{ KComboBox::virtual_hook( id, data ); }
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#include "tdefilefiltercombo.moc"
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