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#ifndef __RICHEDIT_H__
#define __RICHEDIT_H__
#include <windows.h>
#include <richedit.h>
#include <tom.h>
#include <richole.h>
class RichEdit
{
HWND hwnd;
IRichEditOle *ole;
ITextDocument *textDocument;
int stopped;
BOOL undoEnabled;
POINT old_scroll_pos;
CHARRANGE old_sel;
POINT caretPos;
DWORD old_mask;
BOOL inverse;
public:
RichEdit(HWND hwnd);
~RichEdit();
bool IsValid() const;
HWND GetHWND() const;
LRESULT SendMessage(UINT Msg, WPARAM wParam, LPARAM lParam) const;
bool IsReadOnly() const;
void SuspendUndo();
void ResumeUndo();
void Stop();
void Start();
BOOL IsStopped();
int GetCharFromPos(const POINT &pt);
int GetLineCount() const;
void GetLine(int line, TCHAR *text, size_t text_len) const;
int GetLineLength(int line) const;
int GetFirstCharOfLine(int line) const;
int GetLineFromChar(int charPos) const;
CHARRANGE GetSel() const;
void SetSel(int start, int end);
void SetSel(const CHARRANGE &sel);
TCHAR *GetText(int start, int end) const;
int GetTextLength() const;
void ReplaceSel(const TCHAR *new_text);
int Replace(int start, int end, const TCHAR *new_text);
int Insert(int pos, const TCHAR *text);
int Delete(int start, int end);
private:
void SetHWND(HWND hwnd);
int FixSel(CHARRANGE *to_fix, CHARRANGE sel_changed, int new_len);
};
#endif // __RICHEDIT_H__
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