kspread_editors.h

/* This file is part of the KDE project
 
   Copyright 1999-2006 The KSpread Team <koffice-devel@kde.org>
 
   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 __kspread_editors_h__
#define __kspread_editors_h__
 
#include <vector>
 
#include <tqsyntaxhighlighter.h>
#include <tqwidget.h>
 
#include <kcombobox.h>
#include <klineedit.h>
#include <ksharedptr.h>
 
class KTextEdit;
class TQFont;
class TQButton;
class TQTextCursor;
 
namespace KSpread
{
class Canvas;
class Cell;
class CellEditor;
class LocationEditWidget;
class Region;
class Sheet;
class Tokens;
class View;
 

class FormulaEditorHighlighter : public TQSyntaxHighlighter
{
public:
  FormulaEditorHighlighter(TQTextEdit* textEdit, Canvas* canvas);
  virtual ~FormulaEditorHighlighter();
 

  virtual int highlightParagraph(const TQString& text, int endStateOfLastPara);
  const Tokens& formulaTokens() const;
  uint rangeCount() const;
  bool rangeChanged() const;
  
  void resetRangeChanged();
  
  
 
protected:
  int findMatchingBrace(int pos);
  void handleBrace(uint index);
  
private:
  class Private;
  Private* d;
};
 
 

class FunctionCompletion : public TQObject
{
    TQ_OBJECT
  
 
public:
 
    FunctionCompletion( CellEditor* editor );
    ~FunctionCompletion();

    bool eventFilter( TQObject *o, TQEvent *e );

    void doneCompletion();

    void showCompletion( const TQStringList &choices );
 
private slots:
    void itemSelected( const TQString& item );
 
signals:
    void selectedCompletion( const TQString& item );
 
private:
    class Private;
    Private* d;
    FunctionCompletion( const FunctionCompletion& );
    FunctionCompletion& operator=( const FunctionCompletion& );
};
 
 

class CellEditor : public TQWidget
{
    TQ_OBJECT
  
public:

    CellEditor( Cell* cell, Canvas* _parent = 0, bool captureAllKeyEvents = false, const char* _name = 0 );
    ~CellEditor();
 
    Cell* cell() const;
    Canvas* canvas() const;
 
    void handleKeyPressEvent( TQKeyEvent* _ev );
    void handleIMEvent( TQIMEvent * _ev );
    void setEditorFont(TQFont const & font, bool updateSize);
 
    int cursorPosition() const;
    void setCursorPosition(int pos);
 
    void setText(TQString text);

    TQString text() const;

    void cut();
    void paste();
    void copy();
 
    TQPoint globalCursorPosition() const;
 
    bool checkChoice();
    void setCheckChoice(bool b);
 
    void updateChoice();
    void setUpdateChoice(bool);
 
    void setCursorToRange(uint);
 
private slots:
    void  slotTextChanged();
    void  slotCompletionModeChanged(TDEGlobalSettings::Completion _completion);
    void  slotCursorPositionChanged(int para,int pos);
    void  slotTextCursorChanged(TQTextCursor*);
 
protected:
    void resizeEvent( TQResizeEvent* );
    bool eventFilter( TQObject* o, TQEvent* e );
 
protected slots:
    void checkFunctionAutoComplete();
    void triggerFunctionAutoComplete();
    void functionAutoComplete( const TQString& item );
 
private:
    class Private;
    Private* d;
};
 
 

class ComboboxLocationEditWidget : public KComboBox
{
    TQ_OBJECT
  
public:
    ComboboxLocationEditWidget( TQWidget *_parent, View * _canvas );
 
public slots:
    void slotAddAreaName( const TQString & );
    void slotRemoveAreaName( const TQString & );
private:
    LocationEditWidget *m_locationWidget;
};
 
 

class LocationEditWidget : public KLineEdit
{
    TQ_OBJECT
  
public:
    LocationEditWidget( TQWidget *_parent, View * _canvas );
    View * view() const { return m_pView;}
 
    void addCompletionItem( const TQString &_item );
    void removeCompletionItem( const TQString &_item );
 
private slots:
    void slotActivateItem();
 
protected:
    virtual void keyPressEvent( TQKeyEvent * _ev );
private:
    View * m_pView;
    TDECompletion completionList;
    bool activateItem();
};
 
 

class EditWidget : public TQLineEdit
{
    TQ_OBJECT
  
public:
    EditWidget( TQWidget *parent, Canvas *canvas,
                       TQButton *cancelButton, TQButton *okButton);
 
    virtual void setText( const TQString& t );
 
    // Go into edit mode (enable the buttons)
    void setEditMode( bool mode );
 
    void showEditWidget(bool _show);
public slots:
    void slotAbortEdit();
    void slotDoneEdit();
 
protected:
    virtual void keyPressEvent ( TQKeyEvent* _ev );
    virtual void focusOutEvent( TQFocusEvent* ev );
 
private:
    TQButton* m_pCancelButton;
    TQButton* m_pOkButton;
    Canvas* m_pCanvas;
    bool isArray;
};
 
} // namespace KSpread
 
#endif