- Your Widget Set For OpenGL

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utextwidget.hpp

/***************************************************************************
    LibUFO - UI For OpenGL
    copyright         : (C) 2001-2005 by Johannes Schmidt
    email             : schmidtjf at users.sourceforge.net
                             -------------------

    file              : include/ufo/widgets/utextwidget.hpp
    begin             : Sa Apr 2 2005
    $Id: utextwidget.hpp,v 1.2 2005/08/17 09:09:46 schmidtjf Exp $
 ***************************************************************************/

/***************************************************************************
 *  This library is free software; you can redistribute it and/or          *
 * modify it under the terms of the GNU Lesser General Public              *
 * License as published by the Free Software Foundation; either            *
 * version 2.1 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       *
 * Lesser General Public License for more details.                         *
 *                                                                         *
 * You should have received a copy of the GNU Lesser General Public        *
 * License along with this library; if not, write to the Free Software     *
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
 ***************************************************************************/


#ifndef UTEXTWIDGET_HPP
#define UTEXTWIDGET_HPP

#include "uscrollablewidget.hpp"

namespace ufo {

class UDocument;
class UTextModel;
class UCaret;
class UTextLayout;

class UFO_EXPORT UTextWidget : public UScrollableWidget, public std::streambuf {
    UFO_DECLARE_DYNAMIC_CLASS(UTextWidget)
    UFO_STYLE_TYPE(UStyle::CE_TextWidget)
public:
    UTextWidget();
    UTextWidget(const std::string & text);
    virtual ~UTextWidget();

public: // Public methods
    void setContentType(const std::string & type);
    std::string getContentType() const;

    void setDocument(UDocument * documentA);
    UDocument * getDocument() const;

    UTextLayout * getTextLayout() const;

    // methods which change the document content

    virtual void cut();
    virtual void copy();
    virtual void paste();

    virtual void setText(const std::string & textA);

    virtual std::string getText() const;

    //
    // caret methods
    //
    void setCaretPosition(unsigned int positionA);
    void moveCaretPosition(unsigned int positionA);

    //void setCaret(UCaret * caretA);
    UCaret * getCaret() const;

    //
    // size hints
    //
    void setColumns(unsigned int columnsA);
    unsigned int getColumns() const;

    void setRows(unsigned int rowsA);
    unsigned int getRows() const;

public: // Overrides UWidget
    virtual void validateSelf();
    virtual void processMouseEvent(UMouseEvent * e);
    virtual UDimension getContentsSize(const UDimension & maxSize) const;

public: // Public streaming methods
    virtual std::streambuf * rdbuf();

    int overflow(int c);

    // stream-like insertion operators
    UTextWidget & operator<<(const std::string & str);
    UTextWidget & operator<<(int i);
    UTextWidget & operator<<(long i);
    UTextWidget & operator<<(float f);
    UTextWidget & operator<<(double d);
    UTextWidget & operator<<(const char * cstr);

protected:
    UTextModel * getTextModel() const;
    void docChanged(UDocument*, unsigned int,
        unsigned int, unsigned int);
protected:  // Protected attributes
    static std::string m_textBuffer;

private:  // Private attributes
    UDocument * m_doc;
    UTextLayout * m_textLayout;

    std::string m_type;

    unsigned int m_columns;
    unsigned int m_rows;
};

} // namespace ufo

#endif // UTEXTWIDGET_HPP

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