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178 lines
5.8 KiB
178 lines
5.8 KiB
15 years ago
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/* This file is part of the KDE project
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Copyright (C) 2003 Ulrich Kuettler <ulrich.kuettler@gmx.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef KWFORMULAFRAME_H
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#define KWFORMULAFRAME_H
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#include "KWFrameSet.h"
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#include "KWFrameSetEdit.h"
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class DCOPObject;
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namespace KFormula {
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class FormulaCursor;
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class Container;
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class View;
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}
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/******************************************************************/
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/* Class: KWFormulaFrameSet */
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/******************************************************************/
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// needed for signals & slots ;(
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using KFormula::Container;
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using KFormula::FormulaCursor;
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using KFormula::View;
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class KWFormulaFrameSetEdit;
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class KWFormulaFrameSet : public KWFrameSet
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{
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Q_OBJECT
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public:
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KWFormulaFrameSet( KWDocument *doc, const QString & name );
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/// Used for OASIS loading
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KWFormulaFrameSet( KWDocument* doc, const QDomElement& frame,
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const QDomElement& objectTag, KoOasisContext& context );
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virtual ~KWFormulaFrameSet();
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virtual KWordFrameSetIface* dcopObject();
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/** The type of frameset. Use this to differentiate between different instantiations of
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* the framesets. Each implementation will return a different frameType.
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*/
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virtual FrameSetType type() const { return FT_FORMULA; }
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virtual void addFrame( KWFrame *frame, bool recalc = true );
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/**
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* Delete a frame from the set of frames this frameSet has.
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* @param num The frameNumber to be removed.
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* @param remove passing true means that there can not be an undo of the action.
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* @param recalc do an updateFrames()
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*/
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virtual void deleteFrame( unsigned int num, bool remove = true, bool recalc = true );
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virtual KWFrameSetEdit* createFrameSetEdit(KWCanvas*);
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virtual MouseMeaning getMouseMeaningInsideFrame( const KoPoint& );
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/**
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* Paint this frameset
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*/
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virtual void drawFrameContents(KWFrame *, QPainter*, const QRect&,
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const QColorGroup&, bool onlyChanged, bool resetChanged,
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KWFrameSetEdit *edit, KWViewMode *viewMode);
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virtual QDomElement save( QDomElement &parentElem, bool saveFrames = true );
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virtual void load( QDomElement &attributes, bool loadFrames = true );
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virtual void saveOasis(KoXmlWriter&, KoSavingContext&, bool saveFrames ) const;
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void paste( QDomNode& formulaElem );
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KFormula::Container* getFormula() const { return formula; }
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void setChanged() { m_changed = true; }
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virtual void moveFloatingFrame( int frameNum, const KoPoint &position );
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virtual int floatingFrameBaseline( int /*frameNum*/ );
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virtual void setAnchorFormat( KoTextFormat* format, int /*frameNum*/ );
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// TODO support for protecting the formula's contents
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virtual void setProtectContent ( bool ) {}
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virtual bool protectContent() const { return false; }
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protected slots:
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void slotFormulaChanged( double width, double height );
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void slotErrorMessage( const QString& msg );
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private:
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void init();
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static QPixmap* doubleBufferPixmap( const QSize& s );
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static QPixmap* m_bufPixmap;
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friend class KWFormulaFrameSetEdit;
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KFormula::Container* formula;
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bool m_changed;
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KWFormulaFrameSetEdit* m_edit;
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};
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class KWFormulaFrameSetEdit : public QObject, public KWFrameSetEdit
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{
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Q_OBJECT
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public:
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KWFormulaFrameSetEdit(KWFormulaFrameSet* fs, KWCanvas* canvas);
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virtual ~KWFormulaFrameSetEdit();
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KWFormulaFrameSet* formulaFrameSet() const
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{
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return static_cast<KWFormulaFrameSet*>(frameSet());
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}
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const KFormula::View* getFormulaView() const;
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KFormula::View* getFormulaView();
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virtual DCOPObject* dcopObject();
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// Events forwarded by the canvas (when being in "edit" mode)
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virtual void keyPressEvent(QKeyEvent*);
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virtual void mousePressEvent(QMouseEvent*, const QPoint & n, const KoPoint & d );
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virtual void mouseMoveEvent(QMouseEvent*, const QPoint & n, const KoPoint & d); // only called if button is pressed
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virtual void mouseReleaseEvent(QMouseEvent*, const QPoint & n, const KoPoint & d);
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//virtual void mouseDoubleClickEvent( QMouseEvent *, const QPoint & n, const KoPoint & d ) {}
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//virtual void dragEnterEvent( QDragEnterEvent * ) {}
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//virtual void dragMoveEvent( QDragMoveEvent *, const QPoint &, const KoPoint & ) {}
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//virtual void dragLeaveEvent( QDragLeaveEvent * ) {}
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//virtual void dropEvent( QDropEvent *, const QPoint &, const KoPoint &, KWView* ) {}
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virtual void focusInEvent();
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virtual void focusOutEvent();
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virtual void copy();
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virtual void cut();
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virtual void paste();
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virtual void pasteData( QMimeSource* data, int provides, bool drop );
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virtual void selectAll();
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/** Moves the cursor to the first position */
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void moveHome();
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/** Moves the cursor to the last position */
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void moveEnd();
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void removeFormula();
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protected slots:
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/**
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* Make sure the cursor can be seen at its new position.
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*/
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void cursorChanged( bool visible, bool selecting );
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void slotLeaveFormula( Container*, FormulaCursor*, int );
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private:
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KFormula::View* formulaView;
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DCOPObject *dcop;
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};
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#endif
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