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/* This file is part of the KDE project
 * Copyright (C) 1998, 1999 Reginald Stadlbauer <[email protected]>
 * Copyright (C) 2005 Thomas Zander <[email protected]>
 *
 * 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; version 2.
 *
 * 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.
 */

// Description: Page Layout Dialog (sources)

#ifndef kopagetqlayoutcolumns_h
#define kopagetqlayoutcolumns_h

#include <KoUnit.h>
#include <KoPageLayout.h>
#include <KoPageLayoutColumnsBase.h>

class TQWidget;
class KoUnitDoubleSpinBox;
class KoPagePreview;

/**
 * This class is a widget that shows the KoColumns data structure and allows the user to change it.
 */
class KoPageLayoutColumns : public KoPageLayoutColumnsBase {
    Q_OBJECT
  TQ_OBJECT

public:
    /**
     * Contructor
     * @param tqparent the tqparent widget
     * @param columns the KoColumns data structure that this dialog should be initialzed with
     * @param unit the unit-type (mm/cm/inch) that the dialog should show
     * @param tqlayout the page tqlayout that the preview should be initialzed with.
     */
    KoPageLayoutColumns(TQWidget *tqparent, const KoColumns& columns, KoUnit::Unit unit, const KoPageLayout& tqlayout);

    /**
     * Update the page preview widget with the param tqlayout.
     * @param tqlayout the new tqlayout
     */
    void setLayout(KoPageLayout &tqlayout);
public slots:

    /**
     * Enable the user to edit the columns
     * @param on if true enable the user to change the columns count
     */
    void setEnableColumns(bool on);

signals:
    void propertyChange(KoColumns &columns);

protected:
    KoColumns m_columns;
    KoPagePreview *m_preview;
    KoUnitDoubleSpinBox *m_spacing;

private slots:
    void nColChanged( int );
    void nSpaceChanged( double );
};

#endif