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137 lines
3.4 KiB
137 lines
3.4 KiB
/*
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Copyright (C) 2010 Timothy Pearson <kb9vqf@pearsoncomputing.net>
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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 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 <tqt.h>
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#include <ntqiconset.h>
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#ifdef USE_QT4
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#include "Qt/q3cleanuphandler.h"
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static TQIconFactory *defaultFac = 0;
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static Q3SingleCleanupHandler<TQIconFactory> q_cleanup_icon_factory;
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/*! \class TQIconFactory
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\ingroup advanced
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\brief The TQIconFactory class is used to create pixmaps for a QIconSet.
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By reimplementing createPixmap(), you can override QIconSet's
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default algorithm for computing pixmaps not supplied by the user.
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Call setAutoDelete(TRUE) if you want the factory to automatically
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delete itself when it is no longer needed by QIconSet.
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\sa QIconSet
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*/
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/*!
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Constructs an icon factory.
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*/
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TQIconFactory::TQIconFactory()
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: autoDel( 0 )
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{
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count = 0;
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}
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/*!
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Destroys the object and frees any allocated resources.
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*/
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TQIconFactory::~TQIconFactory()
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{
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}
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/*!
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Ceates a pixmap for \a iconSet with a certain \a size, \a mode, and
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\a state. Returns 0 if the default QIconSet algorithm should be
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used to create a pixmap that wasn't supplied by the user.
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It is the caller's responsibility to delete the returned pixmap.
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The default implementation always returns 0.
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*/
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QPixmap *TQIconFactory::createPixmap( const QIconSet& /* iconSet */,
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QIconSet::Size /* size */,
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QIconSet::Mode /* mode */,
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QIconSet::State /* state */ )
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{
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return 0;
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}
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/*!
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\fn void TQIconFactory::setAutoDelete( bool autoDelete )
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If \a autoDelete is TRUE, sets the icon factory to automatically
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delete itself when it is no longer referenced by any QIconSet and
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isn't the default factory. If \a autoDelete is FALSE (the default)
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auto-deletion is disabled.
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\sa autoDelete(), defaultFactory()
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*/
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/*!
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\fn bool TQIconFactory::autoDelete() const
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Returns TRUE if auto-deletion is enabled; otherwise returns FALSE.
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\sa setAutoDelete()
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*/
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/*!
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Returns the default icon factory.
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\sa installDefaultFactory()
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*/
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TQIconFactory *TQIconFactory::defaultFactory()
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{
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if ( !defaultFac ) {
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defaultFac = new TQIconFactory;
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defaultFac->setAutoDelete( TRUE );
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defaultFac->ref();
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q_cleanup_icon_factory.set( &defaultFac );
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}
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return defaultFac;
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}
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/*!
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Replaces the default icon factory with \a factory.
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*/
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void TQIconFactory::installDefaultFactory( TQIconFactory *factory )
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{
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if ( !factory )
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return;
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factory->ref();
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if ( defaultFac && defaultFac->deref() && defaultFac->autoDelete() )
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delete defaultFac;
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defaultFac = factory;
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q_cleanup_icon_factory.set( &defaultFac );
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}
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/**
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A little do-nothing function to allow Qt3 code compatibility.
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*/
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void QIconSet::installIconFactory( TQIconFactory *factory )
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{
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#warning "QIconSet::installIconFactory( QIconFactory *factory ) unimplemented!"
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}
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#endif // USE_QT4
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