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553 lines
13 KiB
553 lines
13 KiB
// MSAAStore.cpp : Implementation of CAccStore
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#include "stdafx.h"
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#include "MSAAText.h"
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#include "MSAAStore.h"
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#include <windowsx.h>
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#include <algorithm>
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#include <stack>
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using namespace std;
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#include <debug.h>
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#include <TSTR.h>
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#define ARRAYSIZE( a ) (sizeof(a)/sizeof(a[0]))
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CAccStore * m_pTheStore = NULL;
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POINT ptListOffset;
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POINT ptDumpOffset;
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BOOL fGotSize = FALSE;
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#ifdef DBG
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BOOL_PTR CALLBACK DialogProc ( HWND hwndDlg,
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UINT uMsg,
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WPARAM wParam,
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LPARAM lParam )
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{
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return m_pTheStore->DialogProc ( hwndDlg, uMsg, wParam, lParam );
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}
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BOOL_PTR CAccStore::DialogProc ( HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam )
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{
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switch( uMsg )
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{
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case WM_INITDIALOG:
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{
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RECT rcWnd;
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GetClientRect( hwndDlg, & rcWnd );
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RECT rcList;
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GetWindowRect( GetDlgItem( hwndDlg, IDC_LIST ), & rcList );
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MapWindowPoints( NULL, hwndDlg, (POINT *) & rcList, 2 );
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ptListOffset.x = rcWnd.right - ( rcList.right - rcList.left );
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ptListOffset.y = rcWnd.bottom - ( rcList.bottom - rcList.top );
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RECT rcDump;
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GetWindowRect( GetDlgItem( hwndDlg, ID_DUMP ), & rcDump );
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MapWindowPoints( NULL, hwndDlg, (POINT *) & rcDump, 2 );
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ptDumpOffset.x = rcWnd.right - rcDump.left;
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ptDumpOffset.y = rcWnd.bottom - rcDump.top;
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fGotSize = TRUE;
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break;
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}
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case WM_COMMAND:
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{
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if( LOWORD( wParam ) == ID_DUMP )
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{
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Assert( m_pTheStore );
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DumpInfo();
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break;
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}
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break;
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}
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case WM_SIZE:
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{
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if( wParam != SIZE_MINIMIZED && fGotSize )
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{
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int width = LOWORD( lParam );
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int height = HIWORD( lParam );
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SetWindowPos( GetDlgItem( hwndDlg, IDC_LIST ), NULL,
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0, 0,
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width - ptListOffset.x, height - ptListOffset.y, SWP_NOMOVE | SWP_NOZORDER );
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SetWindowPos( GetDlgItem( hwndDlg, ID_DUMP ), NULL,
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width - ptDumpOffset.x, height - ptDumpOffset.y,
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0, 0,
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SWP_NOSIZE | SWP_NOZORDER );
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}
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break;
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}
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}
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return FALSE;
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}
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CAccStore
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CAccStore::CAccStore() : m_hwndDlg(NULL), m_hList(NULL), m_punkFocused(NULL), m_pCtl(NULL), m_hInit(NULL)
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{
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IMETHOD( CAccStore );
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Assert( m_pTheStore == NULL );
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m_pTheStore = this;
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HRESULT hr;
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hr = CoCreateInstance(CLSID_MSAAControl,
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NULL,
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CLSCTX_INPROC_SERVER,
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IID_ITfMSAAControl,
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(void**)&m_pCtl);
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if ( hr != S_OK )
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{
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Log( TSTR() << TEXT("CoCreateInstance failed for CLSID_MSAAControl hr=") << WriteHex(hr) );
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}
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else
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{
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hr = m_pCtl->SystemEnableMSAA();
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if ( hr != S_OK )
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Log( TSTR() << TEXT("SystemEnableMSAA failed hr=") << WriteHex(hr) );
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}
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// this lets someone in another procces se if the store is up
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m_hInit = CreateEvent( NULL, FALSE, TRUE, TEXT("MSAA_STORE_EVENT") );
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#ifdef DBG
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CRegKey crkShowDialog;
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DWORD dwShowDialog = 0;
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if ( ( crkShowDialog.Open(HKEY_CURRENT_USER, TEXT("Control Panel\\Accessibility"), KEY_READ) == ERROR_SUCCESS ) &&
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( crkShowDialog.QueryValue( dwShowDialog, TEXT("ShowDialog") ) == ERROR_SUCCESS ) &&
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( dwShowDialog ) )
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{
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m_ShowDialog = true;
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}
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else
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{
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m_ShowDialog = false;
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}
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if ( m_ShowDialog )
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{
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m_hwndDlg = CreateDialog( _Module.GetModuleInstance(), MAKEINTRESOURCE( IDD_MAIN ), NULL, ::DialogProc );
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m_hList = GetDlgItem( m_hwndDlg, IDC_LIST );
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Log( TEXT("*** CAccStore ctor ***") );
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if ( m_pCtl == NULL )
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Log( TEXT("m_pCtl is null") );
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}
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#endif
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}
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CAccStore::~CAccStore()
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{
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IMETHOD( ~CAccStore );
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EraseDeadDocuments();
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if ( m_punkFocused )
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m_punkFocused->Release();
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if ( m_pCtl )
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{
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m_pCtl->SystemDisableMSAA();
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m_pCtl->Release();
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}
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if ( m_hInit )
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CloseHandle( m_hInit );
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m_pTheStore = NULL;
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Log( TEXT("*** CAccStore dtor ***") );
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#ifdef DBG
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if ( m_ShowDialog )
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{
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EndDialog( m_hwndDlg, TRUE );
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}
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#endif
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}
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HRESULT STDMETHODCALLTYPE CAccStore::Register (
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REFIID riid,
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IUnknown * punk
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)
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{
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IMETHOD( Register );
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EraseDeadDocuments();
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if( riid != IID_ITextStoreAnchor )
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{
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Log( TEXT("Register - unknown IID") );
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return E_NOINTERFACE;
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}
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// Get the canonical IUnknown - we use this to compare against the interface
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// passed to Unregister.
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// Note that this is from the original interface peassed in, not a wrapped
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// version...
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IUnknown * pCanonicalUnk = NULL;
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HRESULT hr = punk->QueryInterface( IID_IUnknown, (void **) & pCanonicalUnk );
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if( hr != S_OK || ! pCanonicalUnk )
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{
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Log( TEXT("QueryInterface failed") );
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return E_FAIL;
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}
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// Now check that the doc pointer is a clonable wrapper - if not,
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// wrap it using DocWrap. We need a clonable wrapper so we can hand
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// out individual 'head' interfaces to multiple clients.
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ITextStoreAnchor * pDoc = reinterpret_cast< ITextStoreAnchor * >( punk );
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pDoc->AddRef();
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IClonableWrapper * pClonableWrapper = NULL;
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hr = pDoc->QueryInterface( IID_IClonableWrapper, (void **) & pClonableWrapper );
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if( hr != S_OK || ! pClonableWrapper )
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{
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// Uh-oh - we were supposed to be given a doc that (a) supports IDocAnchor, and (b)
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// supports IClonableWrapper (so is usable by multiple clients).
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// return failure...
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TraceDebugHR( hr, TEXT( "QueryInterface for IID_IClonableWrapper failed") );
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pDoc->Release();
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pCanonicalUnk->Release();
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return E_FAIL;
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}
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// Add info to list...
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m_DocList.push_back( new DocInfo(pCanonicalUnk, pDoc, pClonableWrapper) );
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Log( TSTR() << TEXT("Register ") << WriteHex(pCanonicalUnk) << TEXT(", ") << WriteHex(pDoc) << TEXT(", ") << WriteHex(pClonableWrapper) );
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DumpInfo( m_DocList.back() );
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE CAccStore::Unregister (
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IUnknown * punk
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)
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{
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IMETHOD( Unregister );
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Log( TEXT("Unregister") );
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IUnknown * pCanonicalUnk = NULL;
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HRESULT hr = punk->QueryInterface( IID_IUnknown, (void **) & pCanonicalUnk );
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if( hr != S_OK || ! pCanonicalUnk )
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{
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return E_FAIL;
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}
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DocList::iterator it = find_if( m_DocList.begin(), m_DocList.end(), DocInfo::predCanonicalUnk(pCanonicalUnk) );
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if ( it != m_DocList.end() )
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{
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DocInfo * pDocInfo = *it;
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#ifdef DBG
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if ( m_ShowDialog )
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DumpInfo( pDocInfo );
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#endif
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m_DocList.erase( it );
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delete pDocInfo;
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}
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else
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{
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Log( TSTR() << TEXT("Unregister of ") << WriteHex(pCanonicalUnk) << TEXT(" failed canonical unknown not found"));
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}
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pCanonicalUnk->Release();
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE CAccStore::GetDocuments (
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IEnumUnknown ** enumUnknown
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)
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{
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EraseDeadDocuments();
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EnumDocs * EnumDocuments = new EnumDocs;
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EnumDocuments->Init(NULL, m_DocList);
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HRESULT hr = EnumDocuments->QueryInterface(IID_IEnumUnknown, (void **)enumUnknown);
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE CAccStore::LookupByHWND (
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HWND hWnd,
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REFIID riid,
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IUnknown ** ppunk
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)
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{
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IMETHOD( LookupByHWND );
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Log( TEXT("LookupByHWND") );
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*ppunk = NULL;
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DocInfo * pInfo = _LookupDoc( hWnd );
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if( ! pInfo )
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return E_FAIL;
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return pInfo->m_pClonableWrapper->CloneNewWrapper( riid, (void **) ppunk );
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}
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HRESULT STDMETHODCALLTYPE CAccStore::LookupByPoint (
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POINT pt,
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REFIID riid,
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IUnknown ** ppunk
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)
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{
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IMETHOD( LookupByHWND );
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Log( TEXT("LookupByPoint") );
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*ppunk = NULL;
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DocInfo * pInfo = _LookupDoc( pt );
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if( ! pInfo )
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return E_FAIL;
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return pInfo->m_pClonableWrapper->CloneNewWrapper( riid, (void **) ppunk );
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}
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HRESULT STDMETHODCALLTYPE CAccStore::OnDocumentFocus (
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IUnknown * punk
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)
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{
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IMETHOD( OnDocumentFocus );
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if ( m_punkFocused )
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m_punkFocused->Release();
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m_punkFocused = punk;
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if ( m_punkFocused )
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m_punkFocused->AddRef();
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Log( TSTR() << TEXT("OnDocumentFocus ") << WriteHex(punk) );
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#ifdef DBG
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if ( m_ShowDialog )
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{
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if ( punk )
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{
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ITextStoreAnchor * pITextStoreAnchor;
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HRESULT hr = punk->QueryInterface( IID_ITextStoreAnchor, (void **) &pITextStoreAnchor );
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Log( TSTR() << TEXT("QueryInterface for IID_ITextStoreAnchor hr=") << WriteHex(hr) << TEXT(" pITextStoreAnchor=") << pITextStoreAnchor );
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#if(WINVER>=0x0500)
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HWND hwnd;
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TCHAR szWindowText[128];
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pITextStoreAnchor->GetWnd( NULL, & hwnd );
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Log( TSTR() << TEXT("hwnd for focused doc is ") << WriteHex(hwnd) );
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GetWindowText( GetAncestor( hwnd, GA_ROOT ), szWindowText, ARRAYSIZE( szWindowText ) );
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Log( TSTR() << TEXT("OnDocumentFocus succeded for ") << szWindowText );
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#endif
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pITextStoreAnchor->Release();
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}
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}
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#endif
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE CAccStore::GetFocused (
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REFIID riid,
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IUnknown ** ppunk
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)
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{
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IMETHOD( GetFocused );
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if( ! m_punkFocused )
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{
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*ppunk = NULL;
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Log( TEXT("No document has focus") );
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return S_OK;
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}
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else
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{
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HRESULT hr;
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hr = m_punkFocused->QueryInterface( riid, (void **)ppunk );
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if ( hr != S_OK )
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{
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TraceDebugHR( hr, TSTR() << TEXT( "QueryInterface failed for ") << riid );
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return hr;
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}
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return S_OK;
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}
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}
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void CAccStore::DumpInfo( DocInfo * pInfo )
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{
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#ifdef DBG
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RECT rc = {-1,-1,-1,-1};
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HRESULT hr = pInfo->m_pDoc->GetScreenExt( NULL, & rc );
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TsViewCookie vcView;
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pInfo->m_pDoc->GetActiveView( &vcView );
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HWND hwnd = NULL;
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if( pInfo->m_pDoc->GetWnd( vcView, & hwnd ) != S_OK )
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hwnd = NULL;
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TCHAR str[128];
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if( hr == S_OK )
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{
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wsprintf( str, TEXT("Doc {%d,%d,%d,%d} 0x%08lX punk(0x%08lX)"), rc.left, rc.top, rc.right, rc.bottom, hwnd, pInfo->m_pCanonicalUnk );
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}
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else
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{
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wsprintf( str, TEXT("Doc {GetScreenExt failed: 0x%08lX} 0x%08lX punk(0x%08lX)"), hr, hwnd, pInfo->m_pCanonicalUnk );
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}
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Log( str );
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#endif
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}
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void CAccStore::DumpInfo()
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{
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#ifdef DBG
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Log( TEXT("Dumping...") );
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EraseDeadDocuments();
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for( DocList::iterator i = m_DocList.begin(); i != m_DocList.end(); i++ )
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{
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DumpInfo( *i );
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}
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#endif
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}
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DocInfo * CAccStore::_LookupDoc( IUnknown * pCanonicalUnk )
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{
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DocList::iterator it = find_if( m_DocList.begin(), m_DocList.end(), DocInfo::predCanonicalUnk(pCanonicalUnk) );
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if ( it != m_DocList.end() )
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return *it;
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return NULL;
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}
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DocInfo * CAccStore::_LookupDoc( HWND hWnd )
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{
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DocList::iterator it = find_if( m_DocList.begin(), m_DocList.end(), DocInfo::predHWND(hWnd) );
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if ( it != m_DocList.end() )
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return *it;
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return NULL;
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}
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DocInfo * CAccStore::_LookupDoc( POINT pt )
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{
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HWND hWnd = WindowFromPoint( pt );
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DocList::iterator it = find_if( m_DocList.begin(), m_DocList.end(), DocInfo::predHWND(hWnd) );
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if ( it != m_DocList.end() )
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return *it;
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return NULL;
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}
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void CAccStore::EraseDeadDocuments()
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{
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// get rid of any docs that are not here any more
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const int cDocList = m_DocList.size();
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int i = 1;
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for ( DocList::iterator it = m_DocList.begin(); it != m_DocList.end(); i++ )
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{
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TS_STATUS tsStatus;
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DocList::iterator DocToErase = it;
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it++;
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const DocInfo& di = **DocToErase;
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if ( di.m_pDoc->GetStatus( &tsStatus ) != S_OK )
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{
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m_DocList.erase( DocToErase );
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Log( TEXT("Dead document erased") );
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TraceDebug( TEXT("Dead document erased") );
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}
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// make sure the list is OK
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if ( i > cDocList )
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{
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Log( TEXT( "Doc list is invalid" ) );
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_ASSERT( 0 );
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}
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}
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return;
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}
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void CAccStore::Log( LPCTSTR text )
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{
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#ifdef DBG
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if ( m_ShowDialog )
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{
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ListBox_AddString( m_hList, text );
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}
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#endif
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}
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/*
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int CAccStore::_GetText( ITextStoreAnchor * pDoc, WCHAR * pText, DWORD cchText )
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{
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HRESULT hr = pDoc->RequestLock( DCLT_READ );
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if( hr != S_OK || dcr != DC_OK )
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{
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Log( TEXT("RequestLock failed") );
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return 0;
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}
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IAnchor * paStart = NULL;
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hr = pDoc->GetStart( & paStart, & dcr );
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if( hr != S_OK || paStart == NULL )
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{
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pDoc->ReleaseLock();
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Log( TEXT("GetStart failed") );
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return 0;
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}
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DWORD cchGot = 0;
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hr = pDoc->GetText( paStart, NULL, pText, cchText, & cchGot, FALSE, & dcr );
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paStart->Release();
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pDoc->ReleaseLock();
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if( hr != S_OK || dcr != S_OK )
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{
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Log( TEXT("GetText failed") );
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return 0;
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}
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return cchGot;
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}
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*/
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