huwcampbell.com
Reactos
1/*
2 * PROJECT: ReactOS msctfime.ime
3 * LICENSE: LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
4 * PURPOSE: Input Context of msctfime.ime
5 * COPYRIGHT: Copyright 2024 Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
6 */
7
8#pragma once
9
10#include "sinks.h"
11#include "misc.h"
12
13class CInputContextOwnerCallBack;
14class CInputContextOwner;
15class CicInputContext;
16
17
18typedef HRESULT (CALLBACK *FN_IC_OWNER_CALLBACK)(UINT uType, LPVOID args, LPVOID param);
19
20/***********************************************************************
21 * CInputContextOwner
22 */
23class CInputContextOwner
24 : public ITfContextOwner
25 , public ITfMouseTrackerACP
26{
27protected:
28 LONG m_cRefs;
29 IUnknown *m_pContext;
30 DWORD m_dwCookie;
31 FN_IC_OWNER_CALLBACK m_fnCallback;
32 LPVOID m_pCallbackPV;
33
34public:
35 CInputContextOwner(FN_IC_OWNER_CALLBACK fnCallback, LPVOID pCallbackPV);
36 virtual ~CInputContextOwner();
37
38 HRESULT _Advise(IUnknown *pContext);
39 HRESULT _Unadvise();
40
41 // IUnknown methods
42 STDMETHODIMP QueryInterface(REFIID riid, LPVOID* ppvObj) override;
43 STDMETHODIMP_(ULONG) AddRef() override;
44 STDMETHODIMP_(ULONG) Release() override;
45
46 // ITfContextOwner methods
47 STDMETHODIMP GetACPFromPoint(
48 const POINT *ptScreen,
49 DWORD dwFlags,
50 LONG *pacp) override;
51 STDMETHODIMP GetTextExt(
52 LONG acpStart,
53 LONG acpEnd,
54 RECT *prc,
55 BOOL *pfClipped) override;
56 STDMETHODIMP GetScreenExt(RECT *prc) override;
57 STDMETHODIMP GetStatus(TF_STATUS *pdcs) override;
58 STDMETHODIMP GetWnd(HWND *phwnd) override;
59 STDMETHODIMP GetAttribute(REFGUID rguidAttribute, VARIANT *pvarValue) override;
60
61 // ITfMouseTrackerACP methods
62 STDMETHODIMP AdviseMouseSink(
63 ITfRangeACP *range,
64 ITfMouseSink *pSink,
65 DWORD *pdwCookie) override;
66 STDMETHODIMP UnadviseMouseSink(DWORD dwCookie) override;
67};
68
69/***********************************************************************
70 * CicInputContext
71 *
72 * The msctfime.ime's input context.
73 */
74class CicInputContext
75 : public ITfCleanupContextSink
76 , public ITfContextOwnerCompositionSink
77 , public ITfCompositionSink
78{
79public:
80 LONG m_cRefs;
81 HIMC m_hIMC;
82 ITfDocumentMgr *m_pDocumentMgr;
83 ITfContext *m_pContext;
84 ITfContextOwnerServices *m_pContextOwnerServices;
85 CInputContextOwnerCallBack *m_pICOwnerCallback;
86 CTextEventSink *m_pTextEventSink;
87 CCompartmentEventSink *m_pCompEventSink1;
88 CCompartmentEventSink *m_pCompEventSink2;
89 CInputContextOwner *m_pInputContextOwner;
90 DWORD m_dwUnknown3[3];
91 DWORD m_dwUnknown4[2];
92 DWORD m_dwQueryPos;
93 DWORD m_dwUnknown5;
94 CModeBias m_ModeBias;
95 DWORD m_dwUnknown6;
96 BOOL m_bCandidateOpen;
97 DWORD m_dwUnknown6_5[9];
98 BOOL m_bSelecting;
99 BOOL m_bReconverting;
100 LONG m_cCompLocks;
101 DWORD m_dwUnknown7[5];
102 WORD m_cGuidAtoms;
103 WORD m_padding;
104 DWORD m_adwGuidAtoms[256];
105 DWORD m_dwUnknown8;
106 RECT m_rcCandidate1;
107 CANDIDATEFORM m_CandForm;
108 RECT m_rcCandidate2;
109 TfClientId m_clientId;
110 DWORD m_dwUnknown9;
111
112public:
113 CicInputContext(
114 _In_ TfClientId cliendId,
115 _Inout_ PCIC_LIBTHREAD pLibThread,
116 _In_ HIMC hIMC);
117 virtual ~CicInputContext() { }
118
119 // IUnknown interface
120 STDMETHODIMP QueryInterface(REFIID riid, LPVOID* ppvObj) override;
121 STDMETHODIMP_(ULONG) AddRef() override;
122 STDMETHODIMP_(ULONG) Release() override;
123
124 // ITfCleanupContextSink interface
125 STDMETHODIMP OnCleanupContext(_In_ TfEditCookie ecWrite, _Inout_ ITfContext *pic) override;
126
127 // ITfContextOwnerCompositionSink interface
128 STDMETHODIMP OnStartComposition(ITfCompositionView *pComposition, BOOL *pfOk) override;
129 STDMETHODIMP OnUpdateComposition(ITfCompositionView *pComposition, ITfRange *pRangeNew) override;
130 STDMETHODIMP OnEndComposition(ITfCompositionView *pComposition) override;
131
132 // ITfCompositionSink interface
133 STDMETHODIMP OnCompositionTerminated(TfEditCookie ecWrite, ITfComposition *pComposition) override;
134
135 HRESULT
136 GetGuidAtom(
137 _Inout_ CicIMCLock& imcLock,
138 _In_ BYTE iAtom,
139 _Out_opt_ LPDWORD pdwGuidAtom);
140
141 HRESULT CreateInputContext(_Inout_ ITfThreadMgr *pThreadMgr, _Inout_ CicIMCLock& imcLock);
142 HRESULT DestroyInputContext();
143
144 BOOL SetCompositionString(CicIMCLock& imcLock, ITfThreadMgr_P *pThreadMgr, DWORD dwIndex,
145 LPCVOID lpComp, DWORD dwCompLen, LPCVOID lpRead, DWORD dwReadLen,
146 UINT uCodePage);
147
148 HRESULT SetupDocFeedString(CicIMCLock& imcLock, UINT uCodePage);
149 HRESULT EscbClearDocFeedBuffer(CicIMCLock& imcLock, BOOL bFlag);
150 HRESULT EscbCompComplete(CicIMCLock& imcLock);
151 HRESULT EscbCompCancel(CicIMCLock& imcLock);
152 HRESULT SetupReconvertString(
153 CicIMCLock& imcLock,
154 ITfThreadMgr_P *pThreadMgr,
155 UINT uCodePage,
156 UINT uMsg,
157 BOOL bUndo);
158 HRESULT MsImeMouseHandler(
159 DWORD dwUnknown58,
160 DWORD dwUnknown59,
161 UINT keys,
162 CicIMCLock& imcLock);
163
164 HRESULT EndReconvertString(CicIMCLock& imcLock);
165 HRESULT DelayedReconvertFuncCall(CicIMCLock& imcLock);
166 void ClearPrevCandidatePos();
167
168 HRESULT OnSetCandidatePos(TLS *pTLS, CicIMCLock& imcLock);
169};