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