163 lines
2.9 KiB
C++
163 lines
2.9 KiB
C++
// 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;
|
|
}
|
|
|
|
|