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183 lines
4.0 KiB
183 lines
4.0 KiB
//
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// syslbar.cpp
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//
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#include "private.h"
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#include "syslbar.h"
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#include "helpers.h"
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//////////////////////////////////////////////////////////////////////////////
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//
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// CSystemLBarSink
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//
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//////////////////////////////////////////////////////////////////////////////
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//+---------------------------------------------------------------------------
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//
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// IUnknown
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//
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//----------------------------------------------------------------------------
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STDAPI CSystemLBarSink::QueryInterface(REFIID riid, void **ppvObj)
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{
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*ppvObj = NULL;
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if (IsEqualIID(riid, IID_IUnknown) ||
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IsEqualIID(riid, IID_ITfSystemLangBarItemSink))
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{
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*ppvObj = SAFECAST(this, ITfSystemLangBarItemSink *);
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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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STDAPI_(ULONG) CSystemLBarSink::AddRef()
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{
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return ++_cRef;
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}
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STDAPI_(ULONG) CSystemLBarSink::Release()
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{
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long cr;
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cr = --_cRef;
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Assert(cr >= 0);
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if (cr == 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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// ctor
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//
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//----------------------------------------------------------------------------
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CSystemLBarSink::CSystemLBarSink(SYSLBARCALLBACK pfn, void *pv)
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{
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_pfn = pfn;
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_pv = pv;
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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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CSystemLBarSink::~CSystemLBarSink()
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{
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}
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//+---------------------------------------------------------------------------
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//
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// Advise
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//
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//----------------------------------------------------------------------------
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HRESULT CSystemLBarSink::_Advise(ITfThreadMgr *ptim, REFGUID rguid)
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{
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HRESULT hr;
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ITfSource *source = NULL;
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ITfLangBarItemMgr *plbimgr = NULL;
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ITfLangBarItem *plbi = NULL;
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_ptim = NULL;
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hr = E_FAIL;
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if (FAILED(ptim->QueryInterface(IID_ITfLangBarItemMgr, (void **)&plbimgr)))
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goto Exit;
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if (plbimgr->GetItem(rguid, &plbi) != S_OK)
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goto Exit;
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if (FAILED(plbi->QueryInterface(IID_ITfSource, (void **)&source)))
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goto Exit;
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if (FAILED(source->AdviseSink(IID_ITfSystemLangBarItemSink, this, &_dwCookie)))
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goto Exit;
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hr = S_OK;
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_ptim = ptim;
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_ptim->AddRef();
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_guid = rguid;
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Exit:
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SafeRelease(source);
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SafeRelease(plbimgr);
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SafeRelease(plbi);
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return hr;
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}
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//+---------------------------------------------------------------------------
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//
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// Unadvise
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//
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//----------------------------------------------------------------------------
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HRESULT CSystemLBarSink::_Unadvise()
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{
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HRESULT hr;
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ITfSource *source = NULL;
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ITfLangBarItemMgr *plbimgr = NULL;
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ITfLangBarItem *plbi = NULL;
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hr = E_FAIL;
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if (_ptim == NULL)
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goto Exit;
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if (FAILED(_ptim->QueryInterface(IID_ITfLangBarItemMgr, (void **)&plbimgr)))
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goto Exit;
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if (FAILED(plbimgr->GetItem(_guid, &plbi)))
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goto Exit;
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if (FAILED(plbi->QueryInterface(IID_ITfSource, (void **)&source)))
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goto Exit;
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if (FAILED(source->UnadviseSink(_dwCookie)))
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goto Exit;
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hr = S_OK;
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Exit:
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SafeRelease(source);
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SafeRelease(plbimgr);
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SafeRelease(plbi);
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SafeReleaseClear(_ptim);
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return hr;
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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 CSystemLBarSink::InitMenu(ITfMenu *pMenu)
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{
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return _pfn(IDSLB_INITMENU, _pv, pMenu, -1);
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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 CSystemLBarSink::OnMenuSelect(UINT wID)
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{
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return _pfn(IDSLB_ONMENUSELECT, _pv, NULL, wID);
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}
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