diff options
Diffstat (limited to 'tdeio/tdefile/tdefilefiltercombo.cpp')
| -rw-r--r-- | tdeio/tdefile/tdefilefiltercombo.cpp | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/tdeio/tdefile/tdefilefiltercombo.cpp b/tdeio/tdefile/tdefilefiltercombo.cpp new file mode 100644 index 000000000..cd7bd54d3 --- /dev/null +++ b/tdeio/tdefile/tdefilefiltercombo.cpp @@ -0,0 +1,203 @@ +/* This file is part of the KDE libraries + Copyright (C) Stephan Kulow <coolo@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. +*/ + +#include <klocale.h> +#include <kdebug.h> +#include <kstaticdeleter.h> +#include <config-tdefile.h> + +#include "tdefilefiltercombo.h" + +class KFileFilterCombo::KFileFilterComboPrivate +{ +public: + KFileFilterComboPrivate() { + hasAllSupportedFiles = false; + defaultFilter = i18n("*|All Files"); + isMimeFilter = false; + } + + // when we have more than 3 mimefilters and no default-filter, + // we don't show the comments of all mimefilters in one line, + // instead we show "All supported files". We have to translate + // that back to the list of mimefilters in currentFilter() tho. + bool hasAllSupportedFiles; + // true when setMimeFilter was called + bool isMimeFilter; + TQString lastFilter; + TQString defaultFilter; +}; + +KFileFilterCombo::KFileFilterCombo( TQWidget *parent, const char *name) + : KComboBox(true, parent, name), d( new KFileFilterComboPrivate ) +{ + setTrapReturnKey( true ); + setInsertionPolicy(NoInsertion); + connect( this, TQT_SIGNAL( activated( int )), this, TQT_SIGNAL( filterChanged() )); + connect( this, TQT_SIGNAL( returnPressed() ), this, TQT_SIGNAL( filterChanged() )); + connect( this, TQT_SIGNAL( filterChanged() ), TQT_SLOT( slotFilterChanged() )); + m_allTypes = false; +} + +KFileFilterCombo::~KFileFilterCombo() +{ + delete d; +} + +void KFileFilterCombo::setFilter(const TQString& filter) +{ + clear(); + filters.clear(); + d->hasAllSupportedFiles = false; + + if (!filter.isEmpty()) { + TQString tmp = filter; + int index = tmp.find('\n'); + while (index > 0) { + filters.append(tmp.left(index)); + tmp = tmp.mid(index + 1); + index = tmp.find('\n'); + } + filters.append(tmp); + } + else + filters.append( d->defaultFilter ); + + TQStringList::ConstIterator it; + TQStringList::ConstIterator end(filters.end()); + for (it = filters.begin(); it != end; ++it) { + int tab = (*it).find('|'); + insertItem((tab < 0) ? *it : + (*it).mid(tab + 1)); + } + + d->lastFilter = currentText(); + d->isMimeFilter = false; +} + +TQString KFileFilterCombo::currentFilter() const +{ + TQString f = currentText(); + if (f == text(currentItem())) { // user didn't edit the text + f = *filters.at(currentItem()); + if ( d->isMimeFilter || (currentItem() == 0 && d->hasAllSupportedFiles) ) { + return f; // we have a mimetype as filter + } + } + + int tab = f.find('|'); + if (tab < 0) + return f; + else + return f.left(tab); +} + +void KFileFilterCombo::setCurrentFilter( const TQString& filter ) +{ + int pos = 0; + for( TQStringList::ConstIterator it = filters.begin(); + it != filters.end(); + ++it, ++pos ) { + if( *it == filter ) { + setCurrentItem( pos ); + filterChanged(); + return; + } + } + setCurrentText( filter ); + filterChanged(); +} + +void KFileFilterCombo::setMimeFilter( const TQStringList& types, + const TQString& defaultType ) +{ + clear(); + filters.clear(); + TQString delim = TQString::fromLatin1(", "); + d->hasAllSupportedFiles = false; + + m_allTypes = defaultType.isEmpty() && (types.count() > 1); + + TQString allComments, allTypes; + int i = 0; + for(TQStringList::ConstIterator it = types.begin(); it != types.end(); ++it, ++i) + { + if ( m_allTypes && it != types.begin() ) { + allComments += delim; + allTypes += ' '; + } + + kdDebug(tdefile_area) << *it << endl; + KMimeType::Ptr type = KMimeType::mimeType( *it ); + filters.append( type->name() ); + if ( m_allTypes ) + { + allTypes += type->name(); + allComments += type->comment(); + } + insertItem( type->comment() ); + if ( type->name() == defaultType ) + setCurrentItem( i ); + } + + if ( m_allTypes ) + { + if ( i < 3 ) // show the mime-comments of at max 3 types + insertItem( allComments, 0 ); + else { + insertItem( i18n("All Supported Files"), 0 ); + d->hasAllSupportedFiles = true; + } + + filters.prepend( allTypes ); + } + + d->lastFilter = currentText(); + d->isMimeFilter = true; +} + +void KFileFilterCombo::slotFilterChanged() +{ + d->lastFilter = currentText(); +} + +bool KFileFilterCombo::eventFilter( TQObject *o, TQEvent *e ) +{ + if ( TQT_BASE_OBJECT(o) == TQT_BASE_OBJECT(lineEdit()) && e->type() == TQEvent::FocusOut ) { + if ( currentText() != d->lastFilter ) + emit filterChanged(); + } + + return KComboBox::eventFilter( o, e ); +} + +void KFileFilterCombo::setDefaultFilter( const TQString& filter ) +{ + d->defaultFilter = filter; +} + +TQString KFileFilterCombo::defaultFilter() const +{ + return d->defaultFilter; +} + +void KFileFilterCombo::virtual_hook( int id, void* data ) +{ KComboBox::virtual_hook( id, data ); } + +#include "tdefilefiltercombo.moc" |