138 lines
3.1 KiB
C++
138 lines
3.1 KiB
C++
//
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// autocmpl.cpp: provides autocomplete functionality to and edit box
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//
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// Copyright Microsoft Corporation 2000
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//
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// nadima
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#include "stdafx.h"
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#ifndef OS_WINCE
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#define TRC_GROUP TRC_GROUP_UI
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#define TRC_FILE "proplocalres"
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#include <atrcapi.h>
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#include "autocmpl.h"
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#include "enumsrvmru.h"
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#include "shldisp.h"
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#include "shlguid.h"
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#include "sh.h"
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HRESULT CAutoCompl::EnableServerAutoComplete(CTscSettings* pTscSet, HWND hwndEdit)
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{
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DC_BEGIN_FN("EnableAutoComplete");
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HRESULT hr = E_FAIL;
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IAutoComplete* pac = NULL;
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IAutoComplete2* pac2 = NULL;
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IUnknown* punkSource = NULL;
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CEnumSrvMru* penSrvMru = NULL;
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if(!pTscSet || !hwndEdit)
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{
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return E_INVALIDARG;
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}
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//
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// Enable server autocomplete on the edit box
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// this invloves setting up a custom autocomplete source
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//
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hr = CoCreateInstance(CLSID_AutoComplete, NULL, CLSCTX_INPROC_SERVER,
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IID_IAutoComplete, (LPVOID*)&pac);
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if(FAILED(hr))
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{
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TRC_ERR((TB,(_T("create CLSID_AutoComplete failed"))));
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DC_QUIT;
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}
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hr = pac->QueryInterface(IID_IAutoComplete2, (LPVOID*)&pac2);
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if(FAILED(hr))
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{
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TRC_ERR((TB,_T("QI for IID_IAutoComplete2 failed 0x%x"),
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hr));
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//
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// It is CRITICAL to bail out of we can't get this interface
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// because lower platforms seem to mess up completely
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// and corrupt everything if they don't have the full support
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// for IAutoComplete2.
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//
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DC_QUIT;
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}
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//
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// Create custom autocomplete source
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//
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penSrvMru = new CEnumSrvMru();
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if(!penSrvMru)
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{
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hr = E_OUTOFMEMORY;
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DC_QUIT;
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}
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if(!penSrvMru->InitializeFromTscSetMru( pTscSet))
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{
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TRC_ERR((TB,(_T("InitializeFromTscSetMru failed"))));
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hr = E_FAIL;
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DC_QUIT;
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}
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hr = penSrvMru->QueryInterface(IID_IUnknown, (void**) &punkSource);
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if(FAILED(hr))
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{
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TRC_ERR((TB,(_T("QI custom autocomplete src for IUnknown failed"))));
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DC_QUIT;
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}
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//We're done with penSrvMru we'll just use the IUnknown interface
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//from now one
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penSrvMru->Release();
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penSrvMru = NULL;
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hr = pac->Init( hwndEdit, punkSource, NULL, NULL);
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if(FAILED(hr))
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{
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TRC_ERR((TB,(_T("Autocomplete Init failed"))));
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DC_QUIT;
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}
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hr = pac2->SetOptions(ACO_AUTOSUGGEST | ACO_AUTOAPPEND);
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if(FAILED(hr))
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{
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TRC_ERR((TB,_T("IAutoComplete2::SetOptions failed 0x%x"),
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hr));
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DC_QUIT;
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}
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//Success
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TRC_NRM((TB,(_T("Autocomplete Init SUCCEEDED"))));
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hr = S_OK;
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DC_EXIT_POINT:
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DC_END_FN();
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if(pac2)
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{
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pac2->Release();
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pac2 = NULL;
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}
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if(pac)
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{
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pac->Release();
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pac = NULL;
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}
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if(penSrvMru)
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{
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penSrvMru->Release();
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penSrvMru = NULL;
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}
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if(punkSource)
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{
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punkSource->Release();
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punkSource = NULL;
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}
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return hr;
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}
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#endif //OS_WINCE
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