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/* This file is part of the KDE project
Copyright (C) 2003 Ulrich Kuettler <ulrich.kuettler@gmx.de>
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.
This program 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KWFORMULAFRAME_H
#define KWFORMULAFRAME_H
#include "KWFrameSet.h"
#include "KWFrameSetEdit.h"
class DCOPObject;
namespace KFormula {
class FormulaCursor;
class Container;
class View;
}
/******************************************************************/
/* Class: KWFormulaFrameSet */
/******************************************************************/
// needed for signals & slots ;(
using KFormula::Container;
using KFormula::FormulaCursor;
using KFormula::View;
class KWFormulaFrameSetEdit;
class KWFormulaFrameSet : public KWFrameSet
{
TQ_OBJECT
public:
KWFormulaFrameSet( KWDocument *doc, const TQString & name );
/// Used for OASIS loading
KWFormulaFrameSet( KWDocument* doc, const TQDomElement& frame,
const TQDomElement& objectTag, KoOasisContext& context );
virtual ~KWFormulaFrameSet();
virtual KWordFrameSetIface* dcopObject();
/** The type of frameset. Use this to differentiate between different instantiations of
* the framesets. Each implementation will return a different frameType.
*/
virtual FrameSetType type() const { return FT_FORMULA; }
virtual void addFrame( KWFrame *frame, bool recalc = true );
/**
* Delete a frame from the set of frames this frameSet has.
* @param num The frameNumber to be removed.
* @param remove passing true means that there can not be an undo of the action.
* @param recalc do an updateFrames()
*/
virtual void deleteFrame( unsigned int num, bool remove = true, bool recalc = true );
virtual KWFrameSetEdit* createFrameSetEdit(KWCanvas*);
virtual MouseMeaning getMouseMeaningInsideFrame( const KoPoint& );
/**
* Paint this frameset
*/
virtual void drawFrameContents(KWFrame *, TQPainter*, const TQRect&,
const TQColorGroup&, bool onlyChanged, bool resetChanged,
KWFrameSetEdit *edit, KWViewMode *viewMode);
virtual TQDomElement save( TQDomElement &parentElem, bool saveFrames = true );
virtual void load( TQDomElement &attributes, bool loadFrames = true );
virtual void saveOasis(KoXmlWriter&, KoSavingContext&, bool saveFrames ) const;
void paste( TQDomNode& formulaElem );
KFormula::Container* getFormula() const { return formula; }
void setChanged() { m_changed = true; }
virtual void moveFloatingFrame( int frameNum, const KoPoint &position );
virtual int floatingFrameBaseline( int /*frameNum*/ );
virtual void setAnchorFormat( KoTextFormat* format, int /*frameNum*/ );
// TODO support for protecting the formula's contents
virtual void setProtectContent ( bool ) {}
virtual bool protectContent() const { return false; }
protected slots:
void slotFormulaChanged( double width, double height );
void slotErrorMessage( const TQString& msg );
private:
void init();
static TQPixmap* doubleBufferPixmap( const TQSize& s );
static TQPixmap* m_bufPixmap;
friend class KWFormulaFrameSetEdit;
KFormula::Container* formula;
bool m_changed;
KWFormulaFrameSetEdit* m_edit;
};
class KWFormulaFrameSetEdit : public TQObject, public KWFrameSetEdit
{
TQ_OBJECT
public:
KWFormulaFrameSetEdit(KWFormulaFrameSet* fs, KWCanvas* canvas);
virtual ~KWFormulaFrameSetEdit();
KWFormulaFrameSet* formulaFrameSet() const
{
return static_cast<KWFormulaFrameSet*>(frameSet());
}
const KFormula::View* getFormulaView() const;
KFormula::View* getFormulaView();
virtual DCOPObject* dcopObject();
// Events forwarded by the canvas (when being in "edit" mode)
virtual void keyPressEvent(TQKeyEvent*);
virtual void mousePressEvent(TQMouseEvent*, const TQPoint & n, const KoPoint & d );
virtual void mouseMoveEvent(TQMouseEvent*, const TQPoint & n, const KoPoint & d); // only called if button is pressed
virtual void mouseReleaseEvent(TQMouseEvent*, const TQPoint & n, const KoPoint & d);
//virtual void mouseDoubleClickEvent( TQMouseEvent *, const TQPoint & n, const KoPoint & d ) {}
//virtual void dragEnterEvent( TQDragEnterEvent * ) {}
//virtual void dragMoveEvent( TQDragMoveEvent *, const TQPoint &, const KoPoint & ) {}
//virtual void dragLeaveEvent( TQDragLeaveEvent * ) {}
//virtual void dropEvent( TQDropEvent *, const TQPoint &, const KoPoint &, KWView* ) {}
virtual void focusInEvent();
virtual void focusOutEvent();
virtual void copy();
virtual void cut();
virtual void paste();
virtual void pasteData( TQMimeSource* data, int provides, bool drop );
virtual void selectAll();
/** Moves the cursor to the first position */
void moveHome();
/** Moves the cursor to the last position */
void moveEnd();
void removeFormula();
protected slots:
/**
* Make sure the cursor can be seen at its new position.
*/
void cursorChanged( bool visible, bool selecting );
void slotLeaveFormula( Container*, FormulaCursor*, int );
private:
KFormula::View* formulaView;
DCOPObject *dcop;
};
#endif
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