diff options
Diffstat (limited to 'libs/mTextControl/src/FormattedTextDraw.h')
| -rw-r--r-- | libs/mTextControl/src/FormattedTextDraw.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/libs/mTextControl/src/FormattedTextDraw.h b/libs/mTextControl/src/FormattedTextDraw.h new file mode 100644 index 0000000000..a5128f48a2 --- /dev/null +++ b/libs/mTextControl/src/FormattedTextDraw.h @@ -0,0 +1,191 @@ +// Feel free to use this code in your own applications. +// The Author does not guarantee anything about this code. +// Author : Yves Maurer +// FormattedTextDraw.h : Declaration of the CFormattedTextDraw + +#ifndef __FORMATTEDTEXTDRAW_H_ +#define __FORMATTEDTEXTDRAW_H_ + +#ifndef LY_PER_INCH +#define LY_PER_INCH 1440 +#define HOST_BORDER 0 +#endif + +struct COOKIE +{ + bool isUnicode; + union + { + char *ansi; + WCHAR *unicode; + }; + size_t cbSize, cbCount; +}; + +///////////////////////////////////////////////////////////////////////////// +// IFormatttedTextDraw +interface IFormattedTextDraw +{ +public: + virtual ~IFormattedTextDraw() {}; + virtual HRESULT get_NaturalSize(void *hdcDraw, long *Width, long *pVal) = 0; + virtual HRESULT Create() = 0; + virtual HRESULT Draw(void *hdcDraw, RECT *prc) = 0; + virtual HRESULT putRTFTextA(char *newVal) = 0; + virtual HRESULT putRTFTextW(WCHAR *newVal) = 0; + virtual HRESULT putTextA(char *newVal) = 0; + virtual HRESULT putTextW(WCHAR *newVal) = 0; + + virtual ITextServices *getTextService() = 0; + virtual ITextDocument *getTextDocument() = 0; + virtual void setParentWnd(HWND hwnd, RECT rect) = 0; + + // COM-like functions + virtual ULONG STDMETHODCALLTYPE AddRef(void) = 0; + virtual ULONG STDMETHODCALLTYPE Release(void) = 0; +}; + + +///////////////////////////////////////////////////////////////////////////// +// CFormattedTextDraw +class CFormattedTextDraw : + public ITextHost, + public IFormattedTextDraw +{ +public: + CFormattedTextDraw() + { + HDC hdcScreen; + + hdcScreen = GetDC(nullptr); + nPixelsPerInchX = GetDeviceCaps(hdcScreen, LOGPIXELSX); + nPixelsPerInchY = GetDeviceCaps(hdcScreen, LOGPIXELSY); + ReleaseDC(nullptr, hdcScreen); + + SetRectEmpty(&m_rcClient); + SetRectEmpty(&m_rcViewInset); + + m_pCF = (CHARFORMAT2W*)malloc(sizeof(CHARFORMAT2W)); + + InitDefaultCharFormat(); + InitDefaultParaFormat(); + m_spTextServices = nullptr; + m_spTextDocument = nullptr; + + m_dwPropertyBits = TXTBIT_RICHTEXT | TXTBIT_MULTILINE | TXTBIT_WORDWRAP | TXTBIT_USECURRENTBKG; + m_dwScrollbar = 0; + m_dwMaxLength = INFINITE; + } + + ~CFormattedTextDraw() + { + free(m_pCF); + if (m_spTextServices != nullptr) + m_spTextServices->Release(); + if (m_spTextDocument != nullptr) + m_spTextDocument->Release(); + } + + // Minimal COM functionality + HRESULT STDMETHODCALLTYPE QueryInterface( + /* [in] */ REFIID, + /* [iid_is][out] */ void __RPC_FAR *__RPC_FAR *ppvObject) + { + *ppvObject = nullptr; + return S_FALSE; + } + + ULONG STDMETHODCALLTYPE AddRef(void) + { + return 0; + } + + ULONG STDMETHODCALLTYPE Release(void) + { + return 0; + } + + // IFormattedTextDraw +public: + HRESULT get_NaturalSize(void *hdcDraw, long *Width, long *pVal); + HRESULT Create(); + HRESULT Draw(void *hdcDraw, RECT *prc); + HRESULT putRTFTextA(char *newVal); + HRESULT putRTFTextW(WCHAR *newVal); + HRESULT putTextA(char *newVal); + HRESULT putTextW(WCHAR *newVal); + + ITextServices *getTextService() { return m_spTextServices; }; + ITextDocument *getTextDocument() { return m_spTextDocument; }; + virtual void setParentWnd(HWND hwnd, RECT rect) { m_hwndParent = hwnd; m_rcClient = rect; } + + // ITextHost + HDC TxGetDC(); + INT TxReleaseDC(HDC hdc); + BOOL TxShowScrollBar(INT fnBar, BOOL fShow); + BOOL TxEnableScrollBar(INT fuSBFlags, INT fuArrowflags); + BOOL TxSetScrollRange(INT fnBar, LONG nMinPos, INT nMaxPos, BOOL fRedraw); + BOOL TxSetScrollPos(INT fnBar, INT nPos, BOOL fRedraw); + void TxInvalidateRect(LPCRECT prc, BOOL fMode); + void TxViewChange(BOOL fUpdate); + BOOL TxCreateCaret(HBITMAP hbmp, INT xWidth, INT yHeight); + BOOL TxShowCaret(BOOL fShow); + BOOL TxSetCaretPos(INT x, INT y); + BOOL TxSetTimer(UINT idTimer, UINT uTimeout); + void TxKillTimer(UINT idTimer); + void TxScrollWindowEx(INT dx, INT dy, LPCRECT lprcScroll, LPCRECT lprcClip, HRGN hrgnUpdate, LPRECT lprcUpdate, UINT fuScroll); + void TxSetCapture(BOOL fCapture); + void TxSetFocus(); + void TxSetCursor(HCURSOR hcur, BOOL fText); + BOOL TxScreenToClient(LPPOINT lppt); + BOOL TxClientToScreen(LPPOINT lppt); + HRESULT TxActivate(LONG * plOldState); + HRESULT TxDeactivate(LONG lNewState); + HRESULT TxGetClientRect(LPRECT prc); + HRESULT TxGetViewInset(LPRECT prc); + HRESULT TxGetCharFormat(const CHARFORMATW **ppCF); + HRESULT TxGetParaFormat(const PARAFORMAT **ppPF); + COLORREF TxGetSysColor(int nIndex); + HRESULT TxGetBackStyle(TXTBACKSTYLE *pstyle); + HRESULT TxGetMaxLength(DWORD *plength); + HRESULT TxGetScrollBars(DWORD *pdwScrollBar); + HRESULT TxGetPasswordChar(wchar_t *pch); + HRESULT TxGetAcceleratorPos(LONG *pcp); + HRESULT TxGetExtent(LPSIZEL lpExtent); + HRESULT OnTxCharFormatChange(const CHARFORMATW * pcf); + HRESULT OnTxParaFormatChange(const PARAFORMAT * ppf); + HRESULT TxGetPropertyBits(DWORD dwMask, DWORD *pdwBits); + HRESULT TxNotify(DWORD iNotify, void *pv); + HIMC TxImmGetContext(); + void TxImmReleaseContext(HIMC himc); + HRESULT TxGetSelectionBarWidth(LONG *lSelBarWidth); + + // Custom functions + HRESULT CharFormatFromHFONT(CHARFORMAT2W* pCF, HFONT hFont); + HRESULT InitDefaultCharFormat(); + HRESULT InitDefaultParaFormat(); + HRESULT CreateTextServicesObject(); + + // Variables + HWND m_hwndParent; + RECT m_rcClient; // Client Rect + RECT m_rcViewInset; // view rect inset + SIZEL m_sizelExtent; // Extent array + + int nPixelsPerInchX; // Pixels per logical inch along width + int nPixelsPerInchY; // Pixels per logical inch along height + + CHARFORMAT2W *m_pCF; + PARAFORMAT2 m_PF; + DWORD m_dwScrollbar; // Scroll bar style + DWORD m_dwPropertyBits; // Property bits + DWORD m_dwMaxLength; + COOKIE m_editCookie; + + ITextServices *m_spTextServices; + ITextDocument *m_spTextDocument; +}; + +void bbCodeParse(IFormattedTextDraw *ts); + +#endif //__FORMATTEDTEXTDRAW_H_ |