SourceCodeSky

#include "stdafx.h"

// These constants are for backward compatibility. They are the 
// sizes used for initialization and reset in RichEdit 1.0

namespace DuiLib {

const LONG cInitTextMax = (32 * 1024) - 1;

EXTERN_C const IID IID_ITextServices = { // 8d33f740-cf58-11ce-a89d-00aa006cadc5
    0x8d33f740,
    0xcf58,
    0x11ce,
    {0xa8, 0x9d, 0x00, 0xaa, 0x00, 0x6c, 0xad, 0xc5}
};

EXTERN_C const IID IID_ITextHost = { /* c5bdd8d0-d26e-11ce-a89e-00aa006cadc5 */
    0xc5bdd8d0,
    0xd26e,
    0x11ce,
    {0xa8, 0x9e, 0x00, 0xaa, 0x00, 0x6c, 0xad, 0xc5}
};

#ifndef LY_PER_INCH
#define LY_PER_INCH 1440
#endif

#ifndef HIMETRIC_PER_INCH
#define HIMETRIC_PER_INCH 2540
#endif

#include <textserv.h>

class CTxtWinHost : public ITextHost
{
public:
    CTxtWinHost();
    BOOL Init(CRichEditUI *re , const CREATESTRUCT *pcs);
    virtual ~CTxtWinHost();

    ITextServices* GetTextServices(void) { return pserv; }
    void SetClientRect(RECT *prc);
    RECT* GetClientRect() { return &rcClient; }
    BOOL GetWordWrap(void) { return fWordWrap; }
    void SetWordWrap(BOOL fWordWrap);
    BOOL GetReadOnly();
    void SetReadOnly(BOOL fReadOnly);
    void SetFont(HFONT hFont);
    void SetColor(DWORD dwColor);
    SIZEL* GetExtent();
    void SetExtent(SIZEL *psizelExtent);
    void LimitText(LONG nChars);
    BOOL IsCaptured();

    BOOL GetAllowBeep();
    void SetAllowBeep(BOOL fAllowBeep);
    WORD GetDefaultAlign();
    void SetDefaultAlign(WORD wNewAlign);
    BOOL GetRichTextFlag();
    void SetRichTextFlag(BOOL fNew);
    LONG GetDefaultLeftIndent();
    void SetDefaultLeftIndent(LONG lNewIndent);
    BOOL SetSaveSelection(BOOL fSaveSelection);
    HRESULT OnTxInPlaceDeactivate();
    HRESULT OnTxInPlaceActivate(LPCRECT prcClient);
    BOOL GetActiveState(void) { return fInplaceActive; }
    BOOL DoSetCursor(RECT *prc, POINT *pt);
    void SetTransparent(BOOL fTransparent);
    void GetControlRect(LPRECT prc);
    LONG SetAccelPos(LONG laccelpos);
    WCHAR SetPasswordChar(WCHAR chPasswordChar);
    void SetDisabled(BOOL fOn);
    LONG SetSelBarWidth(LONG lSelBarWidth);
    BOOL GetTimerState();

    void SetCharFormat(CHARFORMAT2W &c);
    void SetParaFormat(PARAFORMAT2 &p);

    // -----------------------------
    //    IUnknown interface
    // -----------------------------
    virtual HRESULT _stdcall QueryInterface(REFIID riid, void **ppvObject);
    virtual ULONG _stdcall AddRef(void);
    virtual ULONG _stdcall Release(void);

    // -----------------------------
    //    ITextHost interface
    // -----------------------------
    virtual HDC TxGetDC();
    virtual INT TxReleaseDC(HDC hdc);
    virtual BOOL TxShowScrollBar(INT fnBar, BOOL fShow);
    virtual BOOL TxEnableScrollBar (INT fuSBFlags, INT fuArrowflags);
    virtual BOOL TxSetScrollRange(INT fnBar, LONG nMinPos, INT nMaxPos, BOOL fRedraw);
    virtual BOOL TxSetScrollPos (INT fnBar, INT nPos, BOOL[!==More==!]