khanat-opennel-code/code/nel/tools/logic/logic_editor_dll/NumEdit.cpp

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// NumEdit.cpp : implementation file
//
#include "stdafx.h"
#include "logic_editor.h"
#include "NumEdit.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CNumEdit
CNumEdit::CNumEdit()
{
}
CNumEdit::~CNumEdit()
{
}
BEGIN_MESSAGE_MAP(CNumEdit, CEdit)
//{{AFX_MSG_MAP(CNumEdit)
ON_WM_CHAR()
//}}AFX_MSG_MAP
ON_MESSAGE(WM_PASTE, OnPaste)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CNumEdit message handlers
void CNumEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)
{
static const CString Holder = "`~!@#$%^&*()_+|=\\qwertyuiop[]asdfghjkl;'zxcvbnm,/QWERTYUIOP{}ASDFGHJKL:/ZXCVBNM<>?/";
// 1st pass on unwanted characters
if (Holder.Find(nChar) != -1)
return;
// length, selection info
int num_typed = CEdit::GetWindowTextLength();
int start_char, end_char;
GetSel(start_char, end_char);
// current CEdit text
CString temp_str;
GetWindowText(temp_str);
// state variables
bool bSignTyped = false;
bool bPeriodTyped = false;
TCHAR temp_char;
// most of the work done in here..
for (int i = 0 ; i < temp_str.GetLength(); ++i)
{
// selected chars don't count..
if ((i>=start_char) && (i<end_char))
continue;
temp_char = temp_str[i];
if ((temp_char == '+') || (temp_char == '-')) {
bSignTyped = true;
} else if (temp_char == '.') {
bPeriodTyped = true;
}
}
// allow sign only once (first char)
if ((nChar == '+') || (nChar == '-')) {
if (bSignTyped || (start_char != 0))
return;
}
// allow period only once
if ((nChar == '.') && bPeriodTyped)
return;
CString old_str = temp_str;
CEdit::OnChar(nChar, nRepCnt, nFlags);
// check validity (if the user inserted numbers before the sign for example)
GetWindowText(temp_str);
if ( (temp_str.GetLength() > 1) && ( (temp_str[1] == '-') || (temp_str[1] == '+') ) )
{
this->SetWindowText( old_str );
}
}
LRESULT CNumEdit::OnPaste(WPARAM /*wParam*/, LPARAM /*lParam*/)
{
static BOOL called = FALSE;
CString old, temp;
GetWindowText( old );
/// \todo Malkav : handle pasting numeric data !!!
if (::IsClipboardFormatAvailable(CF_TEXT))
{
/*
char * str=(char*)GetClipboardData(CF_TEXT);
temp = old + CString(*str);;
*/
}
// check validity of new text in the edit window
/*
if (checkValidity() == FALSE)
{
SetWindowText(old);
}
*/
return 0;
}
BOOL CNumEdit::checkValidity()
{
CString temp;
GetWindowText( temp );
BOOL bSign = FALSE;
BOOL bPeriod = FALSE;
const int size = temp.GetLength();
for ( int i = 0 ; i < size ; ++i)
{
if (temp[i] <0 && temp[i]>9)
{
return FALSE;
}
else if (temp[i] == '-' || temp[i] =='+')
{
if ( (i != 0) || bSign == TRUE)
return FALSE;
else
bSign = TRUE;
}
else if (temp[i] == '.')
{
if (bPeriod == TRUE)
return FALSE;
else
bPeriod = TRUE;
}
}
return TRUE;
}