kformulawidget.h

/* This file is part of the KDE project
   Copyright (C) 2001 Andrea Rizzi <rizzi@kde.org>
                  Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
 
   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.
*/
 
#ifndef KFORMULAWIDGET_H
#define KFORMULAWIDGET_H
 
#include <tqdom.h>
#include <tqpixmap.h>
#include <tqpoint.h>
#include <tqwidget.h>
 
#include "kformuladefs.h"
#include "kformulaview.h"
 
KFORMULA_NAMESPACE_BEGIN
 
class BasicElement;
class FormulaCursor;
class FormulaElement;
class Container;
 
KFORMULA_NAMESPACE_END
 
using namespace KFormula;
 

class KFormulaWidget : public TQWidget {
    TQ_OBJECT
  
 
public:
    KFormulaWidget(Container*, TQWidget* parent=0, const char* name=0, WFlags f=0);
    ~KFormulaWidget();
 

    TQPoint getCursorPoint() const;

    void setReadOnly(bool ro);
 
public slots:
 
    void slotSelectAll();
 
signals:

    void cursorChanged(bool visible, bool selecting);
 
protected slots:

    void slotFormulaChanged(int width, int height);
 
    void slotCursorChanged(bool visible, bool selecting);
 
protected:
 
    virtual void mousePressEvent(TQMouseEvent* event);
    virtual void mouseReleaseEvent(TQMouseEvent* event);
    virtual void mouseDoubleClickEvent(TQMouseEvent* event);
    virtual void mouseMoveEvent(TQMouseEvent* event);
    virtual void wheelEvent(TQWheelEvent* event);
 
    virtual void paintEvent(TQPaintEvent* event);
    virtual void keyPressEvent(TQKeyEvent* event);
    virtual void focusInEvent(TQFocusEvent* event);
    virtual void focusOutEvent(TQFocusEvent* event);

    Container* getDocument();

    FormulaCursor* getCursor();
 
private:

    View formulaView;
 
    TQPixmap buffer;
};
 
#endif // KFORMULAWIDGET_H