RichText.h

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#pragma once
 
#include "Button.h"
 
class RichText: public Component, public ActionListener
{
    WinHandle _hRichTextWnd;
    Button _boldBtn, _italicBtn, _underlineBtn, _fontNameBtn, _fontSizeBtn, 
            _alignLeftBtn, _alignRightBtn, _alignCenterBtn, _printBtn;
 
    long _buttonsRowHeight;
    BOOL _readOnly;
    int _maxLength;
 
    wstring _formattedText, _text;
 
protected:
    BOOL getCreateWindowOptions(wstring& title, UINT& widownStyles, wstring& wndClassName, BOOL& isCustomWndProc);

    void windowCreated();
 
public:
    RichText();

    virtual ~RichText();

    void clear();
 
    void setReadOnly(BOOL readOnly);
 
    void setMaxLength(int maxLen);
 
    wstring getFormattedText();
    void setFormattedText(const wstring& rtfText);
 
    wstring getText();
    void setText(const wstring& plainText);
 
    wstring getSelectedText();
//    void replaceSelectedText(const wstring& newText);
 
    BOOL toggleSelectedTextStyling(DWORD mask, DWORD effect);
    BOOL alignSelectedText(int alignment/*-1: left, 0: center, 1: right*/);
    BOOL setSelectedTextFontName(const wstring& fontName);
    BOOL setSelectedTextFontSize(long fontSize);
 
    BOOL selectText(const wstring& textToFind);
 
    BOOL canUndo();
    BOOL undo();
    BOOL canRedo();
    BOOL redo();
 
    BOOL print();

    void onWindowResized();

    void onPaint(Graphics *g);
 
    void onAction(const ActionEvent& ev);
 
    void addDataChangedListener(DataChangeListener* l);
 
public:
 
    void onDataChanged(WinHandle hTarget, const wstring& newValue, const ProcParams& procParams);
};