Serious-Engine/Sources/WorldEditor/SkyFloat.cpp

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2016-03-12 01:20:51 +01:00
/* Copyright (c) 2002-2012 Croteam Ltd.
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as published by
the Free Software Foundation
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
2016-03-11 14:57:17 +01:00
// SkyFloat.cpp : implementation of DDX_SkyFloat
/////////////////////////////////////////////////////////////////////////////
// Public functions
#include "StdAfx.h"
//--------------------------------------------------------------------------------------------
void AFXAPI DDX_SkyFloat(CDataExchange* pDX, int nIDC, float &fNumber)
{
BOOL bTrue = TRUE;
DDX_SkyFloat( pDX, nIDC, fNumber, bTrue);
}
void AFXAPI DDX_SkyFloat(CDataExchange* pDX, int nIDC, float &fNumber, BOOL &bValid)
{
HWND hWndCtrl = pDX->PrepareEditCtrl(nIDC);
if (pDX->m_bSaveAndValidate)
{
if (!FloatFromString(hWndCtrl, fNumber, bValid))
{
AfxMessageBox(L"Invalid character entered");
pDX->Fail();
}
}
else
{
StringFromFloat(hWndCtrl, fNumber, bValid);
}
}
BOOL FloatFromString(HWND hWnd, float &fNumber, BOOL &bValid)
{
TCHAR szWindowText[20];
::GetWindowText(hWnd, szWindowText, 19);
if( CTString( CStringA(szWindowText)) == "")
{
bValid = FALSE;
return TRUE;
}
bValid = TRUE;
float fTmpNumber = fNumber;
int iNumLen, iRetLen;
iNumLen = strlen( CStringA(szWindowText));
iRetLen = sscanf( CStringA(szWindowText), "%f", &fTmpNumber);
if( (iRetLen == 1) || ((iNumLen == 1) && (szWindowText[0] == '-') || (iNumLen == 0)) )
{
fNumber = fTmpNumber;
return TRUE;
}
else
{
return FALSE;
}
}
void StringFromFloat(HWND hWnd, float fNumber, BOOL &bValid)
{
if( !bValid)
{
::SetWindowText(hWnd, L"");
return;
}
CString str;
str.Format(_T("%g"), fNumber);
::SetWindowText(hWnd, str.GetBufferSetLength(20));
}
//--------------------------------------------------------------------------------------------