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775dc8a9c0
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4 8ced0084-cf51-0410-be5f-012b33b47a6e
625 lines
15 KiB
C++
625 lines
15 KiB
C++
// Windows Template Library - WTL version 8.0
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// Copyright (C) Microsoft Corporation. All rights reserved.
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//
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// This file is a part of the Windows Template Library.
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// The use and distribution terms for this software are covered by the
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// Common Public License 1.0 (http://opensource.org/osi3.0/licenses/cpl1.0.php)
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// which can be found in the file CPL.TXT at the root of this distribution.
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// By using this software in any fashion, you are agreeing to be bound by
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// the terms of this license. You must not remove this notice, or
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// any other, from this software.
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#ifndef __ATLDDX_H__
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#define __ATLDDX_H__
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#pragma once
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#ifndef __cplusplus
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#error ATL requires C++ compilation (use a .cpp suffix)
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#endif
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#ifndef __ATLAPP_H__
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#error atlddx.h requires atlapp.h to be included first
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#endif
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#if defined(_ATL_USE_DDX_FLOAT) && defined(_ATL_MIN_CRT)
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#error Cannot use floating point DDX with _ATL_MIN_CRT defined
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#endif // defined(_ATL_USE_DDX_FLOAT) && defined(_ATL_MIN_CRT)
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#ifdef _ATL_USE_DDX_FLOAT
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#include <float.h>
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#endif // _ATL_USE_DDX_FLOAT
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///////////////////////////////////////////////////////////////////////////////
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// Classes in this file:
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//
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// CWinDataExchange<T>
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namespace WTL
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{
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// Constants
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#define DDX_LOAD FALSE
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#define DDX_SAVE TRUE
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// DDX map macros
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#define BEGIN_DDX_MAP(thisClass) \
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BOOL DoDataExchange(BOOL bSaveAndValidate = FALSE, UINT nCtlID = (UINT)-1) \
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{ \
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bSaveAndValidate; \
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nCtlID;
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#define DDX_TEXT(nID, var) \
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if(nCtlID == (UINT)-1 || nCtlID == nID) \
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{ \
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if(!DDX_Text(nID, var, sizeof(var), bSaveAndValidate)) \
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return FALSE; \
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}
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#define DDX_TEXT_LEN(nID, var, len) \
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if(nCtlID == (UINT)-1 || nCtlID == nID) \
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{ \
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if(!DDX_Text(nID, var, sizeof(var), bSaveAndValidate, TRUE, len)) \
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return FALSE; \
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}
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#define DDX_INT(nID, var) \
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if(nCtlID == (UINT)-1 || nCtlID == nID) \
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{ \
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if(!DDX_Int(nID, var, TRUE, bSaveAndValidate)) \
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return FALSE; \
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}
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#define DDX_INT_RANGE(nID, var, min, max) \
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if(nCtlID == (UINT)-1 || nCtlID == nID) \
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{ \
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if(!DDX_Int(nID, var, TRUE, bSaveAndValidate, TRUE, min, max)) \
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return FALSE; \
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}
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#define DDX_UINT(nID, var) \
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if(nCtlID == (UINT)-1 || nCtlID == nID) \
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{ \
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if(!DDX_Int(nID, var, FALSE, bSaveAndValidate)) \
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return FALSE; \
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}
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#define DDX_UINT_RANGE(nID, var, min, max) \
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if(nCtlID == (UINT)-1 || nCtlID == nID) \
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{ \
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if(!DDX_Int(nID, var, FALSE, bSaveAndValidate, TRUE, min, max)) \
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return FALSE; \
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}
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#ifdef _ATL_USE_DDX_FLOAT
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#define DDX_FLOAT(nID, var) \
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if(nCtlID == (UINT)-1 || nCtlID == nID) \
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{ \
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if(!DDX_Float(nID, var, bSaveAndValidate)) \
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return FALSE; \
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}
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#define DDX_FLOAT_RANGE(nID, var, min, max) \
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if(nCtlID == (UINT)-1 || nCtlID == nID) \
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{ \
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if(!DDX_Float(nID, var, bSaveAndValidate, TRUE, min, max)) \
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return FALSE; \
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}
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#define DDX_FLOAT_P(nID, var, precision) \
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if(nCtlID == (UINT)-1 || nCtlID == nID) \
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{ \
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if(!DDX_Float(nID, var, bSaveAndValidate, FALSE, 0, 0, precision)) \
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return FALSE; \
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}
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#define DDX_FLOAT_P_RANGE(nID, var, min, max, precision) \
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if(nCtlID == (UINT)-1 || nCtlID == nID) \
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{ \
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if(!DDX_Float(nID, var, bSaveAndValidate, TRUE, min, max, precision)) \
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return FALSE; \
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}
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#endif // _ATL_USE_DDX_FLOAT
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#define DDX_CONTROL(nID, obj) \
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if(nCtlID == (UINT)-1 || nCtlID == nID) \
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DDX_Control(nID, obj, bSaveAndValidate);
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#define DDX_CONTROL_HANDLE(nID, obj) \
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if(nCtlID == (UINT)-1 || nCtlID == nID) \
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DDX_Control_Handle(nID, obj, bSaveAndValidate);
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#define DDX_CHECK(nID, var) \
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if(nCtlID == (UINT)-1 || nCtlID == nID) \
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DDX_Check(nID, var, bSaveAndValidate);
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#define DDX_RADIO(nID, var) \
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if(nCtlID == (UINT)-1 || nCtlID == nID) \
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DDX_Radio(nID, var, bSaveAndValidate);
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#define END_DDX_MAP() \
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return TRUE; \
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}
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///////////////////////////////////////////////////////////////////////////////
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// CWinDataExchange - provides support for DDX
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template <class T>
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class CWinDataExchange
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{
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public:
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// Data exchange method - override in your derived class
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BOOL DoDataExchange(BOOL /*bSaveAndValidate*/ = FALSE, UINT /*nCtlID*/ = (UINT)-1)
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{
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// this one should never be called, override it in
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// your derived class by implementing DDX map
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ATLASSERT(FALSE);
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return FALSE;
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}
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// Helpers for validation error reporting
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enum _XDataType
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{
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ddxDataNull = 0,
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ddxDataText = 1,
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ddxDataInt = 2,
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ddxDataFloat = 3,
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ddxDataDouble = 4
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};
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struct _XTextData
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{
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int nLength;
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int nMaxLength;
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};
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struct _XIntData
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{
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long nVal;
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long nMin;
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long nMax;
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};
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struct _XFloatData
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{
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double nVal;
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double nMin;
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double nMax;
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};
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struct _XData
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{
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_XDataType nDataType;
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union
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{
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_XTextData textData;
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_XIntData intData;
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_XFloatData floatData;
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};
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};
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// Text exchange
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BOOL DDX_Text(UINT nID, LPTSTR lpstrText, int cbSize, BOOL bSave, BOOL bValidate = FALSE, int nLength = 0)
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{
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T* pT = static_cast<T*>(this);
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BOOL bSuccess = TRUE;
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if(bSave)
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{
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HWND hWndCtrl = pT->GetDlgItem(nID);
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int nRetLen = ::GetWindowText(hWndCtrl, lpstrText, cbSize / sizeof(TCHAR));
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if(nRetLen < ::GetWindowTextLength(hWndCtrl))
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bSuccess = FALSE;
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}
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else
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{
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ATLASSERT(!bValidate || lstrlen(lpstrText) <= nLength);
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bSuccess = pT->SetDlgItemText(nID, lpstrText);
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}
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if(!bSuccess)
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{
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pT->OnDataExchangeError(nID, bSave);
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}
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else if(bSave && bValidate) // validation
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{
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ATLASSERT(nLength > 0);
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if(lstrlen(lpstrText) > nLength)
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{
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_XData data = { ddxDataText };
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data.textData.nLength = lstrlen(lpstrText);
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data.textData.nMaxLength = nLength;
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pT->OnDataValidateError(nID, bSave, data);
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bSuccess = FALSE;
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}
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}
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return bSuccess;
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}
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BOOL DDX_Text(UINT nID, BSTR& bstrText, int /*cbSize*/, BOOL bSave, BOOL bValidate = FALSE, int nLength = 0)
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{
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T* pT = static_cast<T*>(this);
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BOOL bSuccess = TRUE;
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if(bSave)
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{
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bSuccess = pT->GetDlgItemText(nID, bstrText);
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}
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else
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{
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USES_CONVERSION;
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LPTSTR lpstrText = OLE2T(bstrText);
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ATLASSERT(!bValidate || lstrlen(lpstrText) <= nLength);
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bSuccess = pT->SetDlgItemText(nID, lpstrText);
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}
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if(!bSuccess)
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{
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pT->OnDataExchangeError(nID, bSave);
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}
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else if(bSave && bValidate) // validation
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{
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ATLASSERT(nLength > 0);
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if((int)::SysStringLen(bstrText) > nLength)
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{
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_XData data = { ddxDataText };
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data.textData.nLength = (int)::SysStringLen(bstrText);
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data.textData.nMaxLength = nLength;
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pT->OnDataValidateError(nID, bSave, data);
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bSuccess = FALSE;
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}
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}
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return bSuccess;
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}
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BOOL DDX_Text(UINT nID, ATL::CComBSTR& bstrText, int /*cbSize*/, BOOL bSave, BOOL bValidate = FALSE, int nLength = 0)
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{
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T* pT = static_cast<T*>(this);
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BOOL bSuccess = TRUE;
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if(bSave)
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{
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bSuccess = pT->GetDlgItemText(nID, (BSTR&)bstrText);
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}
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else
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{
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USES_CONVERSION;
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LPTSTR lpstrText = OLE2T(bstrText);
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ATLASSERT(!bValidate || lstrlen(lpstrText) <= nLength);
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bSuccess = pT->SetDlgItemText(nID, lpstrText);
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}
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if(!bSuccess)
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{
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pT->OnDataExchangeError(nID, bSave);
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}
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else if(bSave && bValidate) // validation
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{
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ATLASSERT(nLength > 0);
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if((int)bstrText.Length() > nLength)
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{
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_XData data = { ddxDataText };
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data.textData.nLength = (int)bstrText.Length();
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data.textData.nMaxLength = nLength;
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pT->OnDataValidateError(nID, bSave, data);
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bSuccess = FALSE;
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}
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}
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return bSuccess;
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}
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#if defined(_WTL_USE_CSTRING) || defined(__ATLSTR_H__)
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BOOL DDX_Text(UINT nID, _CSTRING_NS::CString& strText, int /*cbSize*/, BOOL bSave, BOOL bValidate = FALSE, int nLength = 0)
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{
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T* pT = static_cast<T*>(this);
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BOOL bSuccess = TRUE;
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if(bSave)
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{
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HWND hWndCtrl = pT->GetDlgItem(nID);
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int nLen = ::GetWindowTextLength(hWndCtrl);
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int nRetLen = -1;
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LPTSTR lpstr = strText.GetBufferSetLength(nLen);
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if(lpstr != NULL)
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{
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nRetLen = ::GetWindowText(hWndCtrl, lpstr, nLen + 1);
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strText.ReleaseBuffer();
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}
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if(nRetLen < nLen)
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bSuccess = FALSE;
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}
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else
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{
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bSuccess = pT->SetDlgItemText(nID, strText);
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}
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if(!bSuccess)
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{
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pT->OnDataExchangeError(nID, bSave);
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}
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else if(bSave && bValidate) // validation
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{
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ATLASSERT(nLength > 0);
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if(strText.GetLength() > nLength)
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{
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_XData data = { ddxDataText };
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data.textData.nLength = strText.GetLength();
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data.textData.nMaxLength = nLength;
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pT->OnDataValidateError(nID, bSave, data);
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bSuccess = FALSE;
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}
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}
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return bSuccess;
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}
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#endif // defined(_WTL_USE_CSTRING) || defined(__ATLSTR_H__)
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// Numeric exchange
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template <class Type>
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BOOL DDX_Int(UINT nID, Type& nVal, BOOL bSigned, BOOL bSave, BOOL bValidate = FALSE, Type nMin = 0, Type nMax = 0)
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{
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T* pT = static_cast<T*>(this);
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BOOL bSuccess = TRUE;
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if(bSave)
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{
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nVal = (Type)pT->GetDlgItemInt(nID, &bSuccess, bSigned);
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}
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else
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{
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ATLASSERT(!bValidate || nVal >= nMin && nVal <= nMax);
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bSuccess = pT->SetDlgItemInt(nID, nVal, bSigned);
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}
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if(!bSuccess)
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{
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pT->OnDataExchangeError(nID, bSave);
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}
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else if(bSave && bValidate) // validation
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{
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ATLASSERT(nMin != nMax);
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if(nVal < nMin || nVal > nMax)
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{
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_XData data = { ddxDataInt };
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data.intData.nVal = (long)nVal;
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data.intData.nMin = (long)nMin;
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data.intData.nMax = (long)nMax;
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pT->OnDataValidateError(nID, bSave, data);
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bSuccess = FALSE;
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}
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}
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return bSuccess;
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}
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// Float exchange
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#ifdef _ATL_USE_DDX_FLOAT
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static BOOL _AtlSimpleFloatParse(LPCTSTR lpszText, double& d)
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{
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ATLASSERT(lpszText != NULL);
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while (*lpszText == _T(' ') || *lpszText == _T('\t'))
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lpszText++;
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TCHAR chFirst = lpszText[0];
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d = _tcstod(lpszText, (LPTSTR*)&lpszText);
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if (d == 0.0 && chFirst != _T('0'))
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return FALSE; // could not convert
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while (*lpszText == _T(' ') || *lpszText == _T('\t'))
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lpszText++;
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if (*lpszText != _T('\0'))
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return FALSE; // not terminated properly
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return TRUE;
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}
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BOOL DDX_Float(UINT nID, float& nVal, BOOL bSave, BOOL bValidate = FALSE, float nMin = 0.F, float nMax = 0.F, int nPrecision = FLT_DIG)
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{
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T* pT = static_cast<T*>(this);
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BOOL bSuccess = TRUE;
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const int cchBuff = 32;
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TCHAR szBuff[cchBuff] = { 0 };
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if(bSave)
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{
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pT->GetDlgItemText(nID, szBuff, cchBuff);
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double d = 0;
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if(_AtlSimpleFloatParse(szBuff, d))
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nVal = (float)d;
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else
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bSuccess = FALSE;
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}
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else
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{
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ATLASSERT(!bValidate || nVal >= nMin && nVal <= nMax);
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SecureHelper::sprintf_x(szBuff, cchBuff, _T("%.*g"), nPrecision, nVal);
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bSuccess = pT->SetDlgItemText(nID, szBuff);
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}
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if(!bSuccess)
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{
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pT->OnDataExchangeError(nID, bSave);
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}
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else if(bSave && bValidate) // validation
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{
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ATLASSERT(nMin != nMax);
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if(nVal < nMin || nVal > nMax)
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{
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_XData data = { ddxDataFloat };
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data.floatData.nVal = (double)nVal;
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data.floatData.nMin = (double)nMin;
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data.floatData.nMax = (double)nMax;
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pT->OnDataValidateError(nID, bSave, data);
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bSuccess = FALSE;
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}
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}
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return bSuccess;
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}
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BOOL DDX_Float(UINT nID, double& nVal, BOOL bSave, BOOL bValidate = FALSE, double nMin = 0., double nMax = 0., int nPrecision = DBL_DIG)
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{
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T* pT = static_cast<T*>(this);
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BOOL bSuccess = TRUE;
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const int cchBuff = 32;
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TCHAR szBuff[cchBuff] = { 0 };
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if(bSave)
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{
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pT->GetDlgItemText(nID, szBuff, cchBuff);
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double d = 0;
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if(_AtlSimpleFloatParse(szBuff, d))
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nVal = d;
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else
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bSuccess = FALSE;
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}
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else
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{
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ATLASSERT(!bValidate || nVal >= nMin && nVal <= nMax);
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SecureHelper::sprintf_x(szBuff, cchBuff, _T("%.*g"), nPrecision, nVal);
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bSuccess = pT->SetDlgItemText(nID, szBuff);
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}
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if(!bSuccess)
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{
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pT->OnDataExchangeError(nID, bSave);
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}
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else if(bSave && bValidate) // validation
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{
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ATLASSERT(nMin != nMax);
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if(nVal < nMin || nVal > nMax)
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{
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_XData data = { ddxDataFloat };
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data.floatData.nVal = nVal;
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data.floatData.nMin = nMin;
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data.floatData.nMax = nMax;
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pT->OnDataValidateError(nID, bSave, data);
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bSuccess = FALSE;
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}
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}
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return bSuccess;
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}
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#endif // _ATL_USE_DDX_FLOAT
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// Full control subclassing (for CWindowImpl derived controls)
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template <class TControl>
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void DDX_Control(UINT nID, TControl& ctrl, BOOL bSave)
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{
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if(!bSave && ctrl.m_hWnd == NULL)
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{
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T* pT = static_cast<T*>(this);
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ctrl.SubclassWindow(pT->GetDlgItem(nID));
|
|
}
|
|
}
|
|
|
|
// Simple control attaching (for HWND wrapper controls)
|
|
template <class TControl>
|
|
void DDX_Control_Handle(UINT nID, TControl& ctrl, BOOL bSave)
|
|
{
|
|
if(!bSave && ctrl.m_hWnd == NULL)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
ctrl = pT->GetDlgItem(nID);
|
|
}
|
|
}
|
|
|
|
// Control state
|
|
void DDX_Check(UINT nID, int& nValue, BOOL bSave)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
HWND hWndCtrl = pT->GetDlgItem(nID);
|
|
if(bSave)
|
|
{
|
|
nValue = (int)::SendMessage(hWndCtrl, BM_GETCHECK, 0, 0L);
|
|
ATLASSERT(nValue >= 0 && nValue <= 2);
|
|
}
|
|
else
|
|
{
|
|
if(nValue < 0 || nValue > 2)
|
|
{
|
|
ATLTRACE2(atlTraceUI, 0, _T("ATL: Warning - dialog data checkbox value (%d) out of range.\n"), nValue);
|
|
nValue = 0; // default to off
|
|
}
|
|
::SendMessage(hWndCtrl, BM_SETCHECK, nValue, 0L);
|
|
}
|
|
}
|
|
|
|
// variant that supports bool (checked/not-checked, no intermediate state)
|
|
void DDX_Check(UINT nID, bool& bCheck, BOOL bSave)
|
|
{
|
|
int nValue = bCheck ? 1 : 0;
|
|
DDX_Check(nID, nValue, bSave);
|
|
|
|
if(bSave)
|
|
{
|
|
if(nValue == 2)
|
|
ATLTRACE2(atlTraceUI, 0, _T("ATL: Warning - checkbox state (%d) out of supported range.\n"), nValue);
|
|
bCheck = (nValue == 1);
|
|
}
|
|
}
|
|
|
|
void DDX_Radio(UINT nID, int& nValue, BOOL bSave)
|
|
{
|
|
T* pT = static_cast<T*>(this);
|
|
HWND hWndCtrl = pT->GetDlgItem(nID);
|
|
ATLASSERT(hWndCtrl != NULL);
|
|
|
|
// must be first in a group of auto radio buttons
|
|
ATLASSERT(::GetWindowLong(hWndCtrl, GWL_STYLE) & WS_GROUP);
|
|
ATLASSERT(::SendMessage(hWndCtrl, WM_GETDLGCODE, 0, 0L) & DLGC_RADIOBUTTON);
|
|
|
|
if(bSave)
|
|
nValue = -1; // value if none found
|
|
|
|
// walk all children in group
|
|
int nButton = 0;
|
|
do
|
|
{
|
|
if(::SendMessage(hWndCtrl, WM_GETDLGCODE, 0, 0L) & DLGC_RADIOBUTTON)
|
|
{
|
|
// control in group is a radio button
|
|
if(bSave)
|
|
{
|
|
if(::SendMessage(hWndCtrl, BM_GETCHECK, 0, 0L) != 0)
|
|
{
|
|
ATLASSERT(nValue == -1); // only set once
|
|
nValue = nButton;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// select button
|
|
::SendMessage(hWndCtrl, BM_SETCHECK, (nButton == nValue), 0L);
|
|
}
|
|
nButton++;
|
|
}
|
|
else
|
|
{
|
|
ATLTRACE2(atlTraceUI, 0, _T("ATL: Warning - skipping non-radio button in group.\n"));
|
|
}
|
|
hWndCtrl = ::GetWindow(hWndCtrl, GW_HWNDNEXT);
|
|
}
|
|
while (hWndCtrl != NULL && !(GetWindowLong(hWndCtrl, GWL_STYLE) & WS_GROUP));
|
|
}
|
|
|
|
// Overrideables
|
|
void OnDataExchangeError(UINT nCtrlID, BOOL /*bSave*/)
|
|
{
|
|
// Override to display an error message
|
|
::MessageBeep((UINT)-1);
|
|
T* pT = static_cast<T*>(this);
|
|
::SetFocus(pT->GetDlgItem(nCtrlID));
|
|
}
|
|
|
|
void OnDataValidateError(UINT nCtrlID, BOOL /*bSave*/, _XData& /*data*/)
|
|
{
|
|
// Override to display an error message
|
|
::MessageBeep((UINT)-1);
|
|
T* pT = static_cast<T*>(this);
|
|
::SetFocus(pT->GetDlgItem(nCtrlID));
|
|
}
|
|
};
|
|
|
|
}; // namespace WTL
|
|
|
|
#endif // __ATLDDX_H__
|