512 lines
14 KiB
C++
512 lines
14 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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// LanguageBar.cpp
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//
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// Language Bar UI code.
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//
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//////////////////////////////////////////////////////////////////////
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#include "Globals.h"
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#include "TextService.h"
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#include "Resource.h"
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#include "PopupWindow.h"
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//
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// The cookie for the sink to CLangBarItemButton.
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//
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#define TEXTSERVICE_LANGBARITEMSINK_COOKIE 0x0fab0fab
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//
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// The ids of the menu item of the language bar button.
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//
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#define MENUITEM_INDEX_SHOWPOPUPWINDOW 0
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#define MENUITEM_INDEX_UPDATEPOPUPWINDOW 1
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#define MENUITEM_INDEX_SHOWEXTENTVISUALWINDOWS 2
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#define MENUITEM_INDEX_SHOWRANGEEXTENTVIEWER 3
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#define MENUITEM_INDEX_SHOWRANGEFROMPOINTVIEWER 4
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//
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// The descriptions of the menu item of the language bar button.
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//
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static WCHAR c_szMenuItemDescriptionShowPopupWindow[] = L"Show PopupWindow";
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static WCHAR c_szMenuItemDescriptionUpdatePopupWindow[] = L"Update PopupWindow";
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static WCHAR c_szMenuItemDescriptionShowExtentVisualWindows[] = L"Show Positions";
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static WCHAR c_szMenuItemDescriptionShowRangeExtentViewer[] = L"Show RangeExtentView";
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static WCHAR c_szMenuItemDescriptionShowRangeFromPointViewer[] = L"Show RangeFromPointView";
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//+---------------------------------------------------------------------------
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//
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// CLangBarItemButton class
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//
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//----------------------------------------------------------------------------
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class CLangBarItemButton : public ITfLangBarItemButton,
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public ITfSource
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{
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public:
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CLangBarItemButton(CExtentMonitorTextService *pTextService);
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~CLangBarItemButton();
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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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// ITfLangBarItem
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STDMETHODIMP GetInfo(TF_LANGBARITEMINFO *pInfo);
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STDMETHODIMP GetStatus(DWORD *pdwStatus);
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STDMETHODIMP Show(BOOL fShow);
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STDMETHODIMP GetTooltipString(BSTR *pbstrToolTip);
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// ITfLangBarItemButton
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STDMETHODIMP OnClick(TfLBIClick click, POINT pt, const RECT *prcArea);
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STDMETHODIMP InitMenu(ITfMenu *pMenu);
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STDMETHODIMP OnMenuSelect(UINT wID);
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STDMETHODIMP GetIcon(HICON *phIcon);
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STDMETHODIMP GetText(BSTR *pbstrText);
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// ITfSource
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STDMETHODIMP AdviseSink(REFIID riid, IUnknown *punk, DWORD *pdwCookie);
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STDMETHODIMP UnadviseSink(DWORD dwCookie);
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private:
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ITfLangBarItemSink *_pLangBarItemSink;
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TF_LANGBARITEMINFO _tfLangBarItemInfo;
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CExtentMonitorTextService *_pTextService;
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LONG _cRef;
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};
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//+---------------------------------------------------------------------------
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//
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// ctor
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//
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//----------------------------------------------------------------------------
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CLangBarItemButton::CLangBarItemButton(CExtentMonitorTextService *pTextService)
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{
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DllAddRef();
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//
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// initialize TF_LANGBARITEMINFO structure.
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//
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_tfLangBarItemInfo.clsidService = c_clsidExtentMonitorTextService; // This LangBarItem belongs to this TextService.
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_tfLangBarItemInfo.guidItem = c_guidLangBarItemButton; // GUID of this LangBarItem.
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_tfLangBarItemInfo.dwStyle = TF_LBI_STYLE_BTN_MENU; // This LangBar is a button type with a menu.
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_tfLangBarItemInfo.ulSort = 0; // The position of this LangBar Item is not specified.
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StringCchCopy(_tfLangBarItemInfo.szDescription, ARRAYSIZE(_tfLangBarItemInfo.szDescription), LANGBAR_ITEM_DESC); // Set the description of this LangBar Item.
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// Initialize the sink pointer to NULL.
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_pLangBarItemSink = NULL;
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_pTextService = pTextService;
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_pTextService->AddRef();
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_cRef = 1;
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}
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//+---------------------------------------------------------------------------
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//
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// dtor
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//
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//----------------------------------------------------------------------------
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CLangBarItemButton::~CLangBarItemButton()
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{
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DllRelease();
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_pTextService->Release();
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}
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//+---------------------------------------------------------------------------
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//
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// QueryInterface
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//
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//----------------------------------------------------------------------------
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STDAPI CLangBarItemButton::QueryInterface(REFIID riid, void **ppvObj)
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{
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if (ppvObj == NULL)
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return E_INVALIDARG;
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*ppvObj = NULL;
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if (IsEqualIID(riid, IID_IUnknown) ||
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IsEqualIID(riid, IID_ITfLangBarItem) ||
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IsEqualIID(riid, IID_ITfLangBarItemButton))
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{
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*ppvObj = (ITfLangBarItemButton *)this;
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}
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else if (IsEqualIID(riid, IID_ITfSource))
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{
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*ppvObj = (ITfSource *)this;
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}
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if (*ppvObj)
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{
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AddRef();
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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//+---------------------------------------------------------------------------
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//
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// AddRef
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//
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//----------------------------------------------------------------------------
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STDAPI_(ULONG) CLangBarItemButton::AddRef()
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{
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return ++_cRef;
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}
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//+---------------------------------------------------------------------------
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//
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// Release
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//
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//----------------------------------------------------------------------------
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STDAPI_(ULONG) CLangBarItemButton::Release()
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{
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LONG cr = --_cRef;
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assert(_cRef >= 0);
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if (_cRef == 0)
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{
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delete this;
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}
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return cr;
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}
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//+---------------------------------------------------------------------------
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//
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// GetInfo
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//
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//----------------------------------------------------------------------------
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STDAPI CLangBarItemButton::GetInfo(TF_LANGBARITEMINFO *pInfo)
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{
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*pInfo = _tfLangBarItemInfo;
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return S_OK;
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}
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//+---------------------------------------------------------------------------
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//
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// GetStatus
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//
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//----------------------------------------------------------------------------
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STDAPI CLangBarItemButton::GetStatus(DWORD *pdwStatus)
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{
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*pdwStatus = 0;
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return S_OK;
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}
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//+---------------------------------------------------------------------------
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//
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// Show
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//
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//----------------------------------------------------------------------------
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STDAPI CLangBarItemButton::Show(BOOL fShow)
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{
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return E_NOTIMPL;
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}
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//+---------------------------------------------------------------------------
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//
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// GetTooltipString
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//
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//----------------------------------------------------------------------------
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STDAPI CLangBarItemButton::GetTooltipString(BSTR *pbstrToolTip)
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{
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*pbstrToolTip = SysAllocString(LANGBAR_ITEM_DESC);
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return (*pbstrToolTip == NULL) ? E_OUTOFMEMORY : S_OK;
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}
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//+---------------------------------------------------------------------------
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//
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// OnClick
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//
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//----------------------------------------------------------------------------
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STDAPI CLangBarItemButton::OnClick(TfLBIClick click, POINT pt, const RECT *prcArea)
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{
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return S_OK;
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}
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//+---------------------------------------------------------------------------
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//
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// InitMenu
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//
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//----------------------------------------------------------------------------
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STDAPI CLangBarItemButton::InitMenu(ITfMenu *pMenu)
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{
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//
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// Add the fisrt menu item.
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//
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DWORD dwFlags = 0;
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if (_pTextService->_GetPopupWindow() &&
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_pTextService->_GetPopupWindow()->IsShown())
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{
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dwFlags |= TF_LBMENUF_CHECKED;
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}
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pMenu->AddMenuItem(MENUITEM_INDEX_SHOWPOPUPWINDOW,
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dwFlags,
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NULL,
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NULL,
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c_szMenuItemDescriptionShowPopupWindow,
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(ULONG)wcslen(c_szMenuItemDescriptionShowPopupWindow),
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NULL);
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pMenu->AddMenuItem(MENUITEM_INDEX_UPDATEPOPUPWINDOW,
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0,
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NULL,
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NULL,
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c_szMenuItemDescriptionUpdatePopupWindow,
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(ULONG)wcslen(c_szMenuItemDescriptionUpdatePopupWindow),
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NULL);
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pMenu->AddMenuItem(MENUITEM_INDEX_SHOWEXTENTVISUALWINDOWS,
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_pTextService->IsShownExtentVisualWindows() ? TF_LBMENUF_CHECKED : 0,
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NULL,
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NULL,
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c_szMenuItemDescriptionShowExtentVisualWindows,
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(ULONG)wcslen(c_szMenuItemDescriptionShowExtentVisualWindows),
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NULL);
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pMenu->AddMenuItem(MENUITEM_INDEX_SHOWRANGEEXTENTVIEWER,
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_pTextService->IsShownRangeExtentViewer() ? TF_LBMENUF_CHECKED : 0,
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NULL,
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NULL,
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c_szMenuItemDescriptionShowRangeExtentViewer,
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(ULONG)wcslen(c_szMenuItemDescriptionShowRangeExtentViewer),
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NULL);
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pMenu->AddMenuItem(MENUITEM_INDEX_SHOWRANGEFROMPOINTVIEWER,
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_pTextService->IsShownRangeFromPointViewer() ? TF_LBMENUF_CHECKED : 0,
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NULL,
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NULL,
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c_szMenuItemDescriptionShowRangeFromPointViewer,
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(ULONG)wcslen(c_szMenuItemDescriptionShowRangeFromPointViewer),
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NULL);
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return S_OK;
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}
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//+---------------------------------------------------------------------------
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//
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// OnMenuSelect
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//
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//----------------------------------------------------------------------------
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STDAPI CLangBarItemButton::OnMenuSelect(UINT wID)
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{
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//
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// This is callback when the menu item is selected.
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//
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switch (wID)
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{
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case MENUITEM_INDEX_SHOWPOPUPWINDOW:
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if (_pTextService->_GetPopupWindow())
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{
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if (_pTextService->_GetPopupWindow()->IsShown())
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_pTextService->_GetPopupWindow()->Hide();
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else
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_pTextService->_GetPopupWindow()->Show();
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}
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break;
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case MENUITEM_INDEX_UPDATEPOPUPWINDOW:
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_pTextService->DumpExtentFocusContext(DE_EVENTID_FROMLANGUAGEBAR);
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if (_pTextService->_GetPopupWindow())
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{
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if (_pTextService->_GetPopupWindow()->IsShown())
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_pTextService->_GetPopupWindow()->Show();
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}
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break;
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case MENUITEM_INDEX_SHOWEXTENTVISUALWINDOWS:
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if (_pTextService->IsShownExtentVisualWindows())
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_pTextService->_HideExtentVisualWindows();
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else
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_pTextService->_UpdateExtentVisualWindows();
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break;
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case MENUITEM_INDEX_SHOWRANGEEXTENTVIEWER:
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if (_pTextService->IsShownRangeExtentViewer())
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_pTextService->_HideRangeExtentViewer();
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else
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_pTextService->_UpdateRangeExtentViewer();
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break;
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case MENUITEM_INDEX_SHOWRANGEFROMPOINTVIEWER:
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if (_pTextService->IsShownRangeFromPointViewer())
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_pTextService->_HideRangeFromPointViewer();
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else
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_pTextService->_UpdateRangeFromPointViewer();
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break;
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}
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return S_OK;
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}
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//+---------------------------------------------------------------------------
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//
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// GetIcon
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//
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//----------------------------------------------------------------------------
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STDAPI CLangBarItemButton::GetIcon(HICON *phIcon)
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{
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*phIcon = (HICON)LoadImage(g_hInst, TEXT("IDI_TEXTSERVICE"), IMAGE_ICON, 16, 16, 0);
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return (*phIcon != NULL) ? S_OK : E_FAIL;
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}
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//+---------------------------------------------------------------------------
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//
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// GetText
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//
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//----------------------------------------------------------------------------
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STDAPI CLangBarItemButton::GetText(BSTR *pbstrText)
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{
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*pbstrText = SysAllocString(LANGBAR_ITEM_DESC);
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return (*pbstrText == NULL) ? E_OUTOFMEMORY : S_OK;
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}
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//+---------------------------------------------------------------------------
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//
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// AdviseSink
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//
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//----------------------------------------------------------------------------
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STDAPI CLangBarItemButton::AdviseSink(REFIID riid, IUnknown *punk, DWORD *pdwCookie)
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{
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//
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// We allow only ITfLangBarItemSink interface.
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//
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if (!IsEqualIID(IID_ITfLangBarItemSink, riid))
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return CONNECT_E_CANNOTCONNECT;
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//
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// We support only one sink once.
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//
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if (_pLangBarItemSink != NULL)
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return CONNECT_E_ADVISELIMIT;
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//
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// Query the ITfLangBarItemSink interface and store it into _pLangBarItemSink.
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//
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if (punk->QueryInterface(IID_ITfLangBarItemSink, (void **)&_pLangBarItemSink) != S_OK)
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{
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_pLangBarItemSink = NULL;
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return E_NOINTERFACE;
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}
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//
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// return our cookie.
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//
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*pdwCookie = TEXTSERVICE_LANGBARITEMSINK_COOKIE;
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return S_OK;
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}
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//+---------------------------------------------------------------------------
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//
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// UnadviseSink
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//
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//----------------------------------------------------------------------------
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STDAPI CLangBarItemButton::UnadviseSink(DWORD dwCookie)
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{
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//
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// Check the given cookie.
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//
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if (dwCookie != TEXTSERVICE_LANGBARITEMSINK_COOKIE)
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return CONNECT_E_NOCONNECTION;
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//
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// If there is nno connected sink, we just fail.
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//
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if (_pLangBarItemSink == NULL)
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return CONNECT_E_NOCONNECTION;
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_pLangBarItemSink->Release();
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_pLangBarItemSink = NULL;
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return S_OK;
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}
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//+---------------------------------------------------------------------------
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//
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// _InitLanguageBar
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//
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//----------------------------------------------------------------------------
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BOOL CExtentMonitorTextService::_InitLanguageBar()
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{
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ITfLangBarItemMgr *pLangBarItemMgr;
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BOOL fRet;
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if (_pThreadMgr->QueryInterface(IID_ITfLangBarItemMgr, (void **)&pLangBarItemMgr) != S_OK)
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return FALSE;
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fRet = FALSE;
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if ((_pLangBarItem = new CLangBarItemButton(this)) == NULL)
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goto Exit;
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if (pLangBarItemMgr->AddItem(_pLangBarItem) != S_OK)
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{
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_pLangBarItem->Release();
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_pLangBarItem = NULL;
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goto Exit;
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}
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fRet = TRUE;
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Exit:
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pLangBarItemMgr->Release();
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return fRet;
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}
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//+---------------------------------------------------------------------------
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//
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// _UninitLanguageBar
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//
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//----------------------------------------------------------------------------
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void CExtentMonitorTextService::_UninitLanguageBar()
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{
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ITfLangBarItemMgr *pLangBarItemMgr;
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if (_pLangBarItem == NULL)
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return;
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if (_pThreadMgr->QueryInterface(IID_ITfLangBarItemMgr, (void **)&pLangBarItemMgr) == S_OK)
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{
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pLangBarItemMgr->RemoveItem(_pLangBarItem);
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pLangBarItemMgr->Release();
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}
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_pLangBarItem->Release();
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_pLangBarItem = NULL;
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}
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