Mercurial > foo_out_sdl
diff foosdk/wtl/Include/atlddx.h @ 1:20d02a178406 default tip
*: check in everything else
yay
| author | Paper <paper@tflc.us> |
|---|---|
| date | Mon, 05 Jan 2026 02:15:46 -0500 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/foosdk/wtl/Include/atlddx.h Mon Jan 05 02:15:46 2026 -0500 @@ -0,0 +1,667 @@ +// Windows Template Library - WTL version 10.0 +// Copyright (C) Microsoft Corporation, WTL Team. All rights reserved. +// +// This file is a part of the Windows Template Library. +// The use and distribution terms for this software are covered by the +// Microsoft Public License (http://opensource.org/licenses/MS-PL) +// which can be found in the file MS-PL.txt at the root folder. + +#ifndef __ATLDDX_H__ +#define __ATLDDX_H__ + +#pragma once + +#ifndef __ATLAPP_H__ + #error atlddx.h requires atlapp.h to be included first +#endif + +#include <float.h> + + +/////////////////////////////////////////////////////////////////////////////// +// Classes in this file: +// +// CWinDataExchange<T> + + +namespace WTL +{ + +// Constants +#define DDX_LOAD FALSE +#define DDX_SAVE TRUE + +// DDX map macros +#define BEGIN_DDX_MAP(thisClass) \ + BOOL DoDataExchange(BOOL bSaveAndValidate = FALSE, UINT nCtlID = (UINT)-1) \ + { \ + (bSaveAndValidate); \ + (nCtlID); + +#define DDX_TEXT(nID, var) \ + if((nCtlID == (UINT)-1) || (nCtlID == nID)) \ + { \ + if(!DDX_Text(nID, var, sizeof(var), bSaveAndValidate)) \ + return FALSE; \ + } + +#define DDX_TEXT_LEN(nID, var, len) \ + if((nCtlID == (UINT)-1) || (nCtlID == nID)) \ + { \ + if(!DDX_Text(nID, var, sizeof(var), bSaveAndValidate, TRUE, len)) \ + return FALSE; \ + } + +#define DDX_INT(nID, var) \ + if((nCtlID == (UINT)-1) || (nCtlID == nID)) \ + { \ + if(!DDX_Int(nID, var, TRUE, bSaveAndValidate)) \ + return FALSE; \ + } + +#define DDX_INT_RANGE(nID, var, min, max) \ + if((nCtlID == (UINT)-1) || (nCtlID == nID)) \ + { \ + if(!DDX_Int(nID, var, TRUE, bSaveAndValidate, TRUE, min, max)) \ + return FALSE; \ + } + +#define DDX_UINT(nID, var) \ + if((nCtlID == (UINT)-1) || (nCtlID == nID)) \ + { \ + if(!DDX_Int(nID, var, FALSE, bSaveAndValidate)) \ + return FALSE; \ + } + +#define DDX_UINT_RANGE(nID, var, min, max) \ + if((nCtlID == (UINT)-1) || (nCtlID == nID)) \ + { \ + if(!DDX_Int(nID, var, FALSE, bSaveAndValidate, TRUE, min, max)) \ + return FALSE; \ + } + +#define DDX_FLOAT(nID, var) \ + if((nCtlID == (UINT)-1) || (nCtlID == nID)) \ + { \ + if(!DDX_Float(nID, var, bSaveAndValidate)) \ + return FALSE; \ + } + +#define DDX_FLOAT_RANGE(nID, var, min, max) \ + if((nCtlID == (UINT)-1) || (nCtlID == nID)) \ + { \ + if(!DDX_Float(nID, var, bSaveAndValidate, TRUE, min, max)) \ + return FALSE; \ + } +#define DDX_FLOAT_P(nID, var, precision) \ + if((nCtlID == (UINT)-1) || (nCtlID == nID)) \ + { \ + if(!DDX_Float(nID, var, bSaveAndValidate, FALSE, 0, 0, precision)) \ + return FALSE; \ + } + +#define DDX_FLOAT_P_RANGE(nID, var, min, max, precision) \ + if((nCtlID == (UINT)-1) || (nCtlID == nID)) \ + { \ + if(!DDX_Float(nID, var, bSaveAndValidate, TRUE, min, max, precision)) \ + return FALSE; \ + } + +#define DDX_CONTROL(nID, obj) \ + if((nCtlID == (UINT)-1) || (nCtlID == nID)) \ + DDX_Control(nID, obj, bSaveAndValidate); + +#define DDX_CONTROL_HANDLE(nID, obj) \ + if((nCtlID == (UINT)-1) || (nCtlID == nID)) \ + DDX_Control_Handle(nID, obj, bSaveAndValidate); + +#define DDX_CHECK(nID, var) \ + if((nCtlID == (UINT)-1) || (nCtlID == nID)) \ + DDX_Check(nID, var, bSaveAndValidate); + +#define DDX_RADIO(nID, var) \ + if((nCtlID == (UINT)-1) || (nCtlID == nID)) \ + DDX_Radio(nID, var, bSaveAndValidate); + +#define END_DDX_MAP() \ + return TRUE; \ + } + +// DDX support for Tab, Combo, ListBox and ListView selection index +// Note: Specialized versions require atlctrls.h to be included first + +#define DDX_INDEX(CtrlClass, nID, var) \ + if((nCtlID == (UINT)-1) || (nCtlID == nID)) \ + DDX_Index<CtrlClass>(nID, var, bSaveAndValidate); + +#ifdef __ATLCTRLS_H__ + #define DDX_TAB_INDEX(nID, var) DDX_INDEX(WTL::CTabCtrl, nID, var) + #define DDX_COMBO_INDEX(nID, var) DDX_INDEX(WTL::CComboBox, nID, var) + #define DDX_LISTBOX_INDEX(nID, var) DDX_INDEX(WTL::CListBox, nID, var) + #define DDX_LISTVIEW_INDEX(nID, var) DDX_INDEX(WTL::CListViewCtrl, nID, var) +#endif // __ATLCTRLS_H__ + + +/////////////////////////////////////////////////////////////////////////////// +// CWinDataExchange - provides support for DDX + +template <class T> +class CWinDataExchange +{ +public: +// Data exchange method - override in your derived class + BOOL DoDataExchange(BOOL /*bSaveAndValidate*/ = FALSE, UINT /*nCtlID*/ = (UINT)-1) + { + // this one should never be called, override it in + // your derived class by implementing DDX map + ATLASSERT(FALSE); + return FALSE; + } + +// Helpers for validation error reporting + enum _XDataType + { + ddxDataNull = 0, + ddxDataText = 1, + ddxDataInt = 2, + ddxDataFloat = 3, + ddxDataDouble = 4 + }; + + struct _XTextData + { + int nLength; + int nMaxLength; + }; + + struct _XIntData + { + long nVal; + long nMin; + long nMax; + }; + + struct _XFloatData + { + double nVal; + double nMin; + double nMax; + }; + + struct _XData + { + _XDataType nDataType; + union + { + _XTextData textData; + _XIntData intData; + _XFloatData floatData; + }; + }; + +// Text exchange + BOOL DDX_Text(UINT nID, LPTSTR lpstrText, int cbSize, BOOL bSave, BOOL bValidate = FALSE, int nLength = 0) + { + T* pT = static_cast<T*>(this); + BOOL bSuccess = TRUE; + + if(bSave) + { + HWND hWndCtrl = pT->GetDlgItem(nID); + int nRetLen = ::GetWindowText(hWndCtrl, lpstrText, cbSize / sizeof(TCHAR)); + if(nRetLen < ::GetWindowTextLength(hWndCtrl)) + bSuccess = FALSE; + } + else + { + ATLASSERT(!bValidate || (lstrlen(lpstrText) <= nLength)); + bSuccess = pT->SetDlgItemText(nID, lpstrText); + } + + if(!bSuccess) + { + pT->OnDataExchangeError(nID, bSave); + } + else if(bSave && bValidate) // validation + { + ATLASSERT(nLength > 0); + if(lstrlen(lpstrText) > nLength) + { + _XData data = { ddxDataText }; + data.textData.nLength = lstrlen(lpstrText); + data.textData.nMaxLength = nLength; + pT->OnDataValidateError(nID, bSave, data); + bSuccess = FALSE; + } + } + return bSuccess; + } + + BOOL DDX_Text(UINT nID, BSTR& bstrText, int /*cbSize*/, BOOL bSave, BOOL bValidate = FALSE, int nLength = 0) + { + T* pT = static_cast<T*>(this); + BOOL bSuccess = TRUE; + + if(bSave) + { + bSuccess = pT->GetDlgItemText(nID, bstrText); + } + else + { + USES_CONVERSION; + LPTSTR lpstrText = OLE2T(bstrText); + ATLASSERT(!bValidate || (lstrlen(lpstrText) <= nLength)); + bSuccess = pT->SetDlgItemText(nID, lpstrText); + } + + if(!bSuccess) + { + pT->OnDataExchangeError(nID, bSave); + } + else if(bSave && bValidate) // validation + { + ATLASSERT(nLength > 0); + if((int)::SysStringLen(bstrText) > nLength) + { + _XData data = { ddxDataText }; + data.textData.nLength = (int)::SysStringLen(bstrText); + data.textData.nMaxLength = nLength; + pT->OnDataValidateError(nID, bSave, data); + bSuccess = FALSE; + } + } + return bSuccess; + } + + BOOL DDX_Text(UINT nID, ATL::CComBSTR& bstrText, int /*cbSize*/, BOOL bSave, BOOL bValidate = FALSE, int nLength = 0) + { + T* pT = static_cast<T*>(this); + BOOL bSuccess = TRUE; + + if(bSave) + { + bSuccess = pT->GetDlgItemText(nID, (BSTR&)bstrText); + } + else + { + USES_CONVERSION; + LPTSTR lpstrText = OLE2T(bstrText); + ATLASSERT(!bValidate || (lstrlen(lpstrText) <= nLength)); + bSuccess = pT->SetDlgItemText(nID, lpstrText); + } + + if(!bSuccess) + { + pT->OnDataExchangeError(nID, bSave); + } + else if(bSave && bValidate) // validation + { + ATLASSERT(nLength > 0); + if((int)bstrText.Length() > nLength) + { + _XData data = { ddxDataText }; + data.textData.nLength = (int)bstrText.Length(); + data.textData.nMaxLength = nLength; + pT->OnDataValidateError(nID, bSave, data); + bSuccess = FALSE; + } + } + return bSuccess; + } + +#ifdef __ATLSTR_H__ + BOOL DDX_Text(UINT nID, ATL::CString& strText, int /*cbSize*/, BOOL bSave, BOOL bValidate = FALSE, int nLength = 0) + { + T* pT = static_cast<T*>(this); + BOOL bSuccess = TRUE; + + if(bSave) + { + HWND hWndCtrl = pT->GetDlgItem(nID); + int nLen = ::GetWindowTextLength(hWndCtrl); + int nRetLen = -1; + LPTSTR lpstr = strText.GetBufferSetLength(nLen); + if(lpstr != NULL) + { + nRetLen = ::GetWindowText(hWndCtrl, lpstr, nLen + 1); + strText.ReleaseBuffer(); + } + if(nRetLen < nLen) + bSuccess = FALSE; + } + else + { + bSuccess = pT->SetDlgItemText(nID, strText); + } + + if(!bSuccess) + { + pT->OnDataExchangeError(nID, bSave); + } + else if(bSave && bValidate) // validation + { + ATLASSERT(nLength > 0); + if(strText.GetLength() > nLength) + { + _XData data = { ddxDataText }; + data.textData.nLength = strText.GetLength(); + data.textData.nMaxLength = nLength; + pT->OnDataValidateError(nID, bSave, data); + bSuccess = FALSE; + } + } + return bSuccess; + } +#endif // __ATLSTR_H__ + +// Numeric exchange + template <class Type> + BOOL DDX_Int(UINT nID, Type& nVal, BOOL bSigned, BOOL bSave, BOOL bValidate = FALSE, Type nMin = 0, Type nMax = 0) + { + T* pT = static_cast<T*>(this); + BOOL bSuccess = TRUE; + + if(bSave) + { + nVal = (Type)pT->GetDlgItemInt(nID, &bSuccess, bSigned); + } + else + { + ATLASSERT(!bValidate || ((nVal >= nMin) && (nVal <= nMax))); + bSuccess = pT->SetDlgItemInt(nID, nVal, bSigned); + } + + if(!bSuccess) + { + pT->OnDataExchangeError(nID, bSave); + } + else if(bSave && bValidate) // validation + { + ATLASSERT(nMin != nMax); + if((nVal < nMin) || (nVal > nMax)) + { + _XData data = { ddxDataInt }; + data.intData.nVal = (long)nVal; + data.intData.nMin = (long)nMin; + data.intData.nMax = (long)nMax; + pT->OnDataValidateError(nID, bSave, data); + bSuccess = FALSE; + } + } + return bSuccess; + } + +// Float exchange + static BOOL _AtlSimpleFloatParse(LPCTSTR lpszText, double& d) + { + ATLASSERT(lpszText != NULL); + while ((*lpszText == _T(' ')) || (*lpszText == _T('\t'))) + lpszText++; + + TCHAR chFirst = lpszText[0]; + d = _tcstod(lpszText, (LPTSTR*)&lpszText); + if ((d == 0.0) && (chFirst != _T('0'))) + return FALSE; // could not convert + while ((*lpszText == _T(' ')) || (*lpszText == _T('\t'))) + lpszText++; + + if (*lpszText != _T('\0')) + return FALSE; // not terminated properly + + return TRUE; + } + + BOOL DDX_Float(UINT nID, float& nVal, BOOL bSave, BOOL bValidate = FALSE, float nMin = 0.F, float nMax = 0.F, int nPrecision = FLT_DIG) + { + T* pT = static_cast<T*>(this); + BOOL bSuccess = TRUE; + const int cchBuff = 32; + TCHAR szBuff[cchBuff] = {}; + + if(bSave) + { + pT->GetDlgItemText(nID, szBuff, cchBuff); + double d = 0; + if(_AtlSimpleFloatParse(szBuff, d)) + nVal = (float)d; + else + bSuccess = FALSE; + } + else + { + ATLASSERT(!bValidate || ((nVal >= nMin) && (nVal <= nMax))); + _stprintf_s(szBuff, cchBuff, _T("%.*g"), nPrecision, nVal); + bSuccess = pT->SetDlgItemText(nID, szBuff); + } + + if(!bSuccess) + { + pT->OnDataExchangeError(nID, bSave); + } + else if(bSave && bValidate) // validation + { + ATLASSERT(nMin != nMax); + if((nVal < nMin) || (nVal > nMax)) + { + _XData data = { ddxDataFloat }; + data.floatData.nVal = (double)nVal; + data.floatData.nMin = (double)nMin; + data.floatData.nMax = (double)nMax; + pT->OnDataValidateError(nID, bSave, data); + bSuccess = FALSE; + } + } + return bSuccess; + } + + BOOL DDX_Float(UINT nID, double& nVal, BOOL bSave, BOOL bValidate = FALSE, double nMin = 0., double nMax = 0., int nPrecision = DBL_DIG) + { + T* pT = static_cast<T*>(this); + BOOL bSuccess = TRUE; + const int cchBuff = 32; + TCHAR szBuff[cchBuff] = {}; + + if(bSave) + { + pT->GetDlgItemText(nID, szBuff, cchBuff); + double d = 0; + if(_AtlSimpleFloatParse(szBuff, d)) + nVal = d; + else + bSuccess = FALSE; + } + else + { + ATLASSERT(!bValidate || ((nVal >= nMin) && (nVal <= nMax))); + _stprintf_s(szBuff, cchBuff, _T("%.*g"), nPrecision, nVal); + bSuccess = pT->SetDlgItemText(nID, szBuff); + } + + if(!bSuccess) + { + pT->OnDataExchangeError(nID, bSave); + } + else if(bSave && bValidate) // validation + { + ATLASSERT(nMin != nMax); + if((nVal < nMin) || (nVal > nMax)) + { + _XData data = { ddxDataFloat }; + data.floatData.nVal = nVal; + data.floatData.nMin = nMin; + data.floatData.nMax = nMax; + pT->OnDataValidateError(nID, bSave, data); + bSuccess = FALSE; + } + } + return bSuccess; + } + +// Full control subclassing (for CWindowImpl derived controls) + template <class TControl> + void DDX_Control(UINT nID, TControl& ctrl, BOOL bSave) + { + if(!bSave && (ctrl.m_hWnd == NULL)) + { + T* pT = static_cast<T*>(this); + 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)); + } + +// DDX support for Tab, Combo, ListBox and ListView selection index + template <class TCtrl> + INT _getSel(TCtrl& tCtrl) + { + return tCtrl.GetCurSel(); + } + + template <class TCtrl> + void _setSel(TCtrl& tCtrl, INT iSel) + { + if(iSel < 0) + tCtrl.SetCurSel(-1); + else + tCtrl.SetCurSel(iSel); + } + +#ifdef __ATLCTRLS_H__ + // ListViewCtrl specialization + template <> + INT _getSel(WTL::CListViewCtrl& tCtrl) + { + return tCtrl.GetSelectedIndex(); + } + + template <> + void _setSel(WTL::CListViewCtrl& tCtrl, INT iSel) + { + if(iSel < 0) + tCtrl.SelectItem(-1); + else + tCtrl.SelectItem(iSel); + } +#endif // __ATLCTRLS_H__ + + template <class TCtrl> + void DDX_Index(UINT nID, INT& nVal, BOOL bSave) + { + T* pT = static_cast<T*>(this); + TCtrl ctrl(pT->GetDlgItem(nID)); + + if(bSave) + nVal = _getSel(ctrl); + else + _setSel(ctrl, nVal); + } + +// 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__
