115 lines
4.6 KiB
C++
115 lines
4.6 KiB
C++
#pragma once
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class CTextEditor;
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class CTextStore : public ITextStoreACP,
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public ITfContextOwnerCompositionSink
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{
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public:
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CTextStore(CTextEditor *pEditor)
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{
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_pEditor = pEditor;
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_pCurrentCompositionView = NULL;
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_cRef = 1;
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}
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~CTextStore() {}
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//
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// IUnknown methods
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//
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STDMETHODIMP QueryInterface(REFIID riid, void **ppvObj);
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STDMETHODIMP_(ULONG) AddRef(void);
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STDMETHODIMP_(ULONG) Release(void);
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//
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// ITextStoreACP
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//
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STDMETHODIMP AdviseSink(REFIID riid, IUnknown *punk, DWORD dwMask);
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STDMETHODIMP UnadviseSink(IUnknown *punk);
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STDMETHODIMP RequestLock(DWORD dwLockFlags, HRESULT *phrSession);
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STDMETHODIMP GetStatus(TS_STATUS *pdcs);
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STDMETHODIMP QueryInsert(LONG acpInsertStart, LONG acpInsertEnd, ULONG cch, LONG *pacpResultStart, LONG *pacpResultEnd);
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STDMETHODIMP GetSelection(ULONG ulIndex, ULONG ulCount, TS_SELECTION_ACP *pSelection, ULONG *pcFetched);
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STDMETHODIMP SetSelection(ULONG ulCount, const TS_SELECTION_ACP *pSelection);
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STDMETHODIMP GetText(LONG acpStart, LONG acpEnd, __out_ecount(cchPlainReq) WCHAR *pchPlain, ULONG cchPlainReq, ULONG *pcchPlainOut, TS_RUNINFO *prgRunInfo,
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ULONG ulRunInfoReq, ULONG *pulRunInfoOut, LONG *pacpNext);
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STDMETHODIMP SetText(DWORD dwFlags, LONG acpStart, LONG acpEnd, __in_ecount(cch) const WCHAR *pchText, ULONG cch, TS_TEXTCHANGE *pChange);
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STDMETHODIMP GetFormattedText(LONG acpStart, LONG acpEnd, IDataObject **ppDataObject);
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STDMETHODIMP GetEmbedded(LONG acpPos, REFGUID rguidService, REFIID riid, IUnknown **ppunk);
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STDMETHODIMP InsertEmbedded(DWORD dwFlags, LONG acpStart, LONG acpEnd, IDataObject *pDataObject, TS_TEXTCHANGE *pChange);
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STDMETHODIMP RequestSupportedAttrs(DWORD dwFlags, ULONG cFilterAttrs, const TS_ATTRID *paFilterAttrs);
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STDMETHODIMP RequestAttrsAtPosition(LONG acpPos, ULONG cFilterAttrs, const TS_ATTRID *paFilterAttrs, DWORD dwFlags);
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STDMETHODIMP RequestAttrsTransitioningAtPosition(LONG acpPos, ULONG cFilterAttrs, const TS_ATTRID *paFilterAttrs, DWORD dwFlags);
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STDMETHODIMP FindNextAttrTransition(LONG acpStart, LONG acpHalt, ULONG cFilterAttrs, const TS_ATTRID *paFilterAttrs,
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DWORD dwFlags, LONG *pacpNext, BOOL *pfFound, LONG *plFoundOffset);
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STDMETHODIMP RetrieveRequestedAttrs(ULONG ulCount, TS_ATTRVAL *paAttrVals, ULONG *pcFetched);
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STDMETHODIMP GetEndACP(LONG *pacp);
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STDMETHODIMP GetActiveView(TsViewCookie *pvcView);
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STDMETHODIMP GetACPFromPoint(TsViewCookie vcView, const POINT *pt, DWORD dwFlags, LONG *pacp);
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STDMETHODIMP GetTextExt(TsViewCookie vcView, LONG acpStart, LONG acpEnd, RECT *prc, BOOL *pfClipped);
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STDMETHODIMP GetScreenExt(TsViewCookie vcView, RECT *prc);
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STDMETHODIMP GetWnd(TsViewCookie vcView, HWND *phwnd);
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STDMETHODIMP QueryInsertEmbedded(const GUID *pguidService, const FORMATETC *pFormatEtc, BOOL *pfInsertable);
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STDMETHODIMP InsertTextAtSelection(DWORD dwFlags, __in_ecount(cch) const WCHAR *pchText, ULONG cch, LONG *pacpStart,
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LONG *pacpEnd, TS_TEXTCHANGE *pChange);
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STDMETHODIMP InsertEmbeddedAtSelection(DWORD dwFlags, IDataObject *pDataObject, LONG *pacpStart,
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LONG *pacpEnd, TS_TEXTCHANGE *pChange);
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//
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// ITfContextOwnerCompositionSink
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//
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STDMETHODIMP OnStartComposition(ITfCompositionView *pComposition,
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BOOL *pfOk);
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STDMETHODIMP OnUpdateComposition(ITfCompositionView *pComposition,
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ITfRange *pRangeNew);
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STDMETHODIMP OnEndComposition(ITfCompositionView *pComposition);
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void OnSelectionChange()
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{
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if (_pSink)
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_pSink->OnSelectionChange();
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}
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void OnTextChange(LONG acpStart, LONG acpOldEnd, LONG acpNewEnd)
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{
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if (_pSink)
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{
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TS_TEXTCHANGE textChange;
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textChange.acpStart = acpStart;
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textChange.acpOldEnd = acpOldEnd;
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textChange.acpNewEnd = acpNewEnd;
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_pSink->OnTextChange(0, &textChange);
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}
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}
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void OnLayoutChange()
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{
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if (_pSink)
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{
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_pSink->OnLayoutChange(TS_LC_CHANGE, 0x01);
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}
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}
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ITfCompositionView *GetCurrentCompositionView() {return _pCurrentCompositionView;}
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private:
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void PrepareAttributes(ULONG cFilterAttrs, const TS_ATTRID *paFilterAttrs);
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CTextEditor *_pEditor;
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TS_ATTRVAL _attrval[8];
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int _nAttrVals;
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ITextStoreACPSink *_pSink;
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ITfCompositionView *_pCurrentCompositionView;
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long _cRef;
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};
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