151 lines
5.2 KiB
C++
151 lines
5.2 KiB
C++
//////////////////////////////////////////////////////////////////////
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED
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// TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (C) 2003 Microsoft Corporation. All rights reserved.
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//
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// TextService.h
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//
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// CTextService declaration.
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//
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//////////////////////////////////////////////////////////////////////
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#ifndef TEXTSERVICE_H
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#define TEXTSERVICE_H
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class CLangBarItemButton;
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class CCandidateList;
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class CTextService : public ITfTextInputProcessor,
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public ITfThreadMgrEventSink,
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public ITfTextEditSink,
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public ITfKeyEventSink,
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public ITfCompositionSink,
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public ITfDisplayAttributeProvider
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{
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public:
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CTextService();
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~CTextService();
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// IUnknown
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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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// ITfTextInputProcessor
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STDMETHODIMP Activate(ITfThreadMgr *pThreadMgr, TfClientId tfClientId);
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STDMETHODIMP Deactivate();
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// ITfThreadMgrEventSink
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STDMETHODIMP OnInitDocumentMgr(ITfDocumentMgr *pDocMgr);
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STDMETHODIMP OnUninitDocumentMgr(ITfDocumentMgr *pDocMgr);
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STDMETHODIMP OnSetFocus(ITfDocumentMgr *pDocMgrFocus, ITfDocumentMgr *pDocMgrPrevFocus);
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STDMETHODIMP OnPushContext(ITfContext *pContext);
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STDMETHODIMP OnPopContext(ITfContext *pContext);
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// ITfTextEditSink
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STDMETHODIMP OnEndEdit(ITfContext *pContext, TfEditCookie ecReadOnly, ITfEditRecord *pEditRecord);
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// ITfKeyEventSink
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STDMETHODIMP OnSetFocus(BOOL fForeground);
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STDMETHODIMP OnTestKeyDown(ITfContext *pContext, WPARAM wParam, LPARAM lParam, BOOL *pfEaten);
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STDMETHODIMP OnKeyDown(ITfContext *pContext, WPARAM wParam, LPARAM lParam, BOOL *pfEaten);
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STDMETHODIMP OnTestKeyUp(ITfContext *pContext, WPARAM wParam, LPARAM lParam, BOOL *pfEaten);
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STDMETHODIMP OnKeyUp(ITfContext *pContext, WPARAM wParam, LPARAM lParam, BOOL *pfEaten);
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STDMETHODIMP OnPreservedKey(ITfContext *pContext, REFGUID rguid, BOOL *pfEaten);
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// ITfCompositionSink
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STDMETHODIMP OnCompositionTerminated(TfEditCookie ecWrite, ITfComposition *pComposition);
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// ITfDisplayAttributeProvider
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STDMETHODIMP EnumDisplayAttributeInfo(IEnumTfDisplayAttributeInfo **ppEnum);
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STDMETHODIMP GetDisplayAttributeInfo(REFGUID guidInfo, ITfDisplayAttributeInfo **ppInfo);
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// CClassFactory factory callback
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static HRESULT CreateInstance(IUnknown *pUnkOuter, REFIID riid, void **ppvObj);
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ITfThreadMgr *_GetThreadMgr() { return _pThreadMgr; }
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TfClientId _GetClientId() { return _tfClientId; }
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// utility function for compartment
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BOOL _IsKeyboardDisabled();
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BOOL _IsKeyboardOpen();
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HRESULT _SetKeyboardOpen(BOOL fOpen);
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// functions for the composition object.
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void _StartComposition(ITfContext *pContext);
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void _EndComposition(ITfContext *pContext);
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void _TerminateComposition(TfEditCookie ec, ITfContext *pContext);
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BOOL _IsComposing();
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void _SetComposition(ITfComposition *pComposition);
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// key event handlers.
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HRESULT _HandleCharacterKey(TfEditCookie ec, ITfContext *pContext, WPARAM wParam);
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HRESULT _HandleArrowKey(TfEditCookie ec, ITfContext *pContext, WPARAM wParam);
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HRESULT _HandleReturnKey(TfEditCookie ec, ITfContext *pContext);
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HRESULT _HandleSpaceKey(TfEditCookie ec, ITfContext *pContext);
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HRESULT _InvokeKeyHandler(ITfContext *pContext, WPARAM wParam, LPARAM lParam);
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void _ClearCompositionDisplayAttributes(TfEditCookie ec, ITfContext *pContext);
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BOOL _SetCompositionDisplayAttributes(TfEditCookie ec, ITfContext *pContext, TfGuidAtom gaDisplayAttribute);
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BOOL _InitDisplayAttributeGuidAtom();
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private:
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// initialize and uninitialize ThreadMgrEventSink.
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BOOL _InitThreadMgrEventSink();
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void _UninitThreadMgrEventSink();
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// initialize TextEditSink.
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BOOL _InitTextEditSink(ITfDocumentMgr *pDocMgr);
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// initialize and uninitialize LanguageBar Item.
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BOOL _InitLanguageBar();
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void _UninitLanguageBar();
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// initialize and uninitialize KeyEventSink.
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BOOL _InitKeyEventSink();
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void _UninitKeyEventSink();
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// initialize and uninitialize PreservedKey.
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BOOL _InitPreservedKey();
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void _UninitPreservedKey();
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// utility function for KeyEventSink
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BOOL _IsKeyEaten(ITfContext *pContext, WPARAM wParam);
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//
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// state
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//
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ITfThreadMgr *_pThreadMgr;
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TfClientId _tfClientId;
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// The cookie of ThreadMgrEventSink
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DWORD _dwThreadMgrEventSinkCookie;
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//
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// private variables for TextEditSink
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//
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ITfContext *_pTextEditSinkContext;
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DWORD _dwTextEditSinkCookie;
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CLangBarItemButton *_pLangBarItem;
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// the current composition object.
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ITfComposition *_pComposition;
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// guidatom for the display attibute.
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TfGuidAtom _gaDisplayAttributeInput;
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TfGuidAtom _gaDisplayAttributeConverted;
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// the candidate list object.
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CCandidateList *_pCandidateList;
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LONG _cRef; // COM ref count
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};
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#endif // TEXTSERVICE_H
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