179 lines
3.7 KiB
C++
179 lines
3.7 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1993 - 2000.
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//
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// File: CommonDialog.cpp
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//
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// Contents: implementation of CCommonDialog
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//
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//----------------------------------------------------------------------------
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#include "stdafx.h"
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#include "commondialog.h"
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HWND _VariantToHWND(const VARIANT& varOwner); // passportmanager.cpp
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//
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// ICommonDialog Interface
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//
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STDMETHODIMP CCommonDialog::get_Filter(BSTR* pbstrFilter)
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{
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if (!pbstrFilter)
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return E_POINTER;
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*pbstrFilter = _strFilter.Copy();
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return S_OK;
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}
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STDMETHODIMP CCommonDialog::put_Filter(BSTR bstrFilter)
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{
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_strFilter = bstrFilter;
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return S_OK;
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}
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STDMETHODIMP CCommonDialog::get_FilterIndex(UINT *puiFilterIndex)
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{
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if (!puiFilterIndex)
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return E_POINTER;
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*puiFilterIndex = _dwFilterIndex;
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return S_OK;
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}
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STDMETHODIMP CCommonDialog::put_FilterIndex(UINT uiFilterIndex)
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{
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_dwFilterIndex = uiFilterIndex;
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return S_OK;
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}
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STDMETHODIMP CCommonDialog::get_FileName(BSTR* pbstrFileName)
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{
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if (!pbstrFileName)
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return E_POINTER;
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*pbstrFileName = _strFileName.Copy();
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return S_OK;
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}
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STDMETHODIMP CCommonDialog::put_FileName(BSTR bstrFileName)
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{
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_strFileName = bstrFileName;
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return S_OK;
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}
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STDMETHODIMP CCommonDialog::get_Flags(UINT *puiFlags)
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{
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if (!puiFlags)
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return E_POINTER;
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*puiFlags = _dwFlags;
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return S_OK;
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}
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STDMETHODIMP CCommonDialog::put_Flags(UINT uiFlags)
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{
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_dwFlags = uiFlags;
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return S_OK;
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}
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STDMETHODIMP CCommonDialog::put_Owner(VARIANT varOwner)
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{
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HRESULT hr = E_INVALIDARG;
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_hwndOwner = _VariantToHWND(varOwner);
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if (_hwndOwner)
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hr = S_OK;
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return hr;
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}
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STDMETHODIMP CCommonDialog::get_InitialDir(BSTR* pbstrInitialDir)
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{
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if (!pbstrInitialDir)
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return E_POINTER;
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*pbstrInitialDir = _strInitialDir.Copy();
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return S_OK;
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}
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STDMETHODIMP CCommonDialog::put_InitialDir(BSTR bstrInitialDir)
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{
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_strInitialDir = bstrInitialDir;
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return S_OK;
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}
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STDMETHODIMP CCommonDialog::ShowOpen(VARIANT_BOOL *pbSuccess)
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{
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OPENFILENAMEW ofn = { 0 };
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WCHAR szFileName[MAX_PATH];
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// Null characters can't be passed through script, so we separated
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// name filter string combinations with the '|' character.
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// The CommDlg32 api expects name/filter pairs to be separated by
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// a null character, and the entire string to be double
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// null terminated.
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// copy the filter string (plus one for double null at the end)
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CComBSTR strFilter(_strFilter.Length()+1, _strFilter);
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if (strFilter)
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{
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LPWSTR pch;
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int cch = lstrlenW(strFilter);
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for (pch = strFilter; cch > 0; ++pch, --cch)
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{
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if ( *pch == L'|' )
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{
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*pch = L'\0';
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}
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}
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// Double null terminate the string
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++pch;
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*pch = L'\0';
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}
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// copy the initial file name, if any
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if (_strFileName)
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{
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lstrcpynW(szFileName, _strFileName, ARRAYSIZE(szFileName));
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}
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else
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{
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szFileName[0] = L'\0';
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}
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// set the struct members
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ofn.lStructSize = SIZEOF(ofn);
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ofn.hwndOwner = _hwndOwner;
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ofn.lpstrFilter = strFilter;
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ofn.nFilterIndex = _dwFilterIndex;
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ofn.lpstrFile = szFileName;
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ofn.nMaxFile = ARRAYSIZE(szFileName);
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ofn.lpstrInitialDir = _strInitialDir;
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ofn.Flags = _dwFlags;
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// make the call
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if (GetOpenFileNameW(&ofn))
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{
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_strFileName = szFileName;
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*pbSuccess = VARIANT_TRUE;
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}
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else
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{
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*pbSuccess = VARIANT_FALSE;
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}
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return S_OK;
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}
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