/***************************************************************************
*   Copyright (C) 2003 by Roberto Raggi                                   *
*   roberto@kdevelop.org                                                  *
*                                                                         *
*   This program is free software; you can redistribute it and/or modify  *
*   it under the terms of the GNU General Public License as published by  *
*   the Free Software Foundation; either version 2 of the License, or     *
*   (at your option) any later version.                                   *
*                                                                         *
***************************************************************************/

#include "settingsdialog.h"
#include <klistbox.h>
#include <kcombobox.h>
#include <qfile.h>
#include <qdir.h>
#include <qregexp.h>
#include <cstdlib>

#if QT_VERSION < 0x030100 
/* original source from qt-3.2.1/src/widgets/qlistbox.cpp
QListBoxItem* QListBox::selectedItem() const
{
    if ( d->selectionMode != Single )
	return 0;
    if ( isSelected( currentItem() ) )
	return  d->current;
    return 0;
}
*/
QListBoxItem* QListBox_selectedItem( QListBox* cpQListBox )
{
	if ( cpQListBox->selectionMode() != QListBox::Single )
		return 0;
	if ( cpQListBox->isSelected( cpQListBox->currentItem() ) )
		return cpQListBox->item( cpQListBox->currentItem() );
	return 0;
}
#endif

SettingsDialog::SettingsDialog( QWidget* parent, const char* name, WFlags fl )
		: SettingsDialogBase( parent, name, fl )
{
	// Parse $KDEDIRS first, because it takes precedence over $KDEDIR
	QStringList kdedirs = QStringList::split( ':', QFile::decodeName( ::getenv( "KDEDIRS" ) ) );
	for ( QStringList::Iterator it = kdedirs.begin(); it != kdedirs.end(); ++it )
		if ( !( *it ).isEmpty() )
			* it += "/include";

	QString kdedir = QFile::decodeName( ::getenv( "KDEDIR" ) );
	if ( !kdedir.isEmpty() )
		kdedirs.push_back( kdedir + "/include" );

	kdedirs.push_back( "/usr/lib/kde/include" );
	kdedirs.push_back( "/usr/local/kde/include" );
	kdedirs.push_back( "/usr/local/include" );
	kdedirs.push_back( "/usr/kde/include" );
	kdedirs.push_back( "/usr/include/kde" );
	kdedirs.push_back( "/usr/include" );
	kdedirs.push_back( "/opt/kde3/include" );
	kdedirs.push_back( "/opt/kde/include" );

	for ( QStringList::ConstIterator it = kdedirs.begin(); it != kdedirs.end(); ++it )
	{
		QString kdedir = *it;
		if ( !kdedir.isEmpty() && isValidKDELibsDir( kdedir ) )
			if ( !kdeListBox->findItem( kdedir, ExactMatch ) )
				kdeListBox->insertItem( kdedir );
	}
}

SettingsDialog::~SettingsDialog()
{}

/*$SPECIALIZATION$*/
void SettingsDialog::slotSelectionChanged( QListBoxItem* /* item */ )
{
#if QT_VERSION < 0x030100
	if ( !QListBox_selectedItem( kdeListBox ) )
	{
#else
	if ( !kdeListBox->selectedItem() )
	{
#endif
		emit enabled( false );
		return ;
	}

	emit enabled( true );
}

bool SettingsDialog::isValidKDELibsDir( const QString & path ) const
{
	return QFile::exists( path + "/kapplication.h" );
}

QString SettingsDialog::kdeDir( ) const
{
	return kdeListBox->currentText();
}


#include "settingsdialog.moc"
//kate: indent-mode csands; tab-width 4; space-indent off;



