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Sample Image - XRNumericEditCtrl.jpg

Introduction

The CXrNumericEdit class is derived from the normal CEdit class.

To use this class

Add the CXrNumericEdit source file to project.
Add standard edit control

Change CEdit class to CXrNumericEdit

public:
    //Dialog Data
	//{{AFX_DATA(CNumericEditDlg)
	enum { IDD = IDD_NUMERICEDIT_DIALOG };
	CXrNumericEdit	m_ctrlPositiveValue;

To get and set the value in the CXrNumericEdit control use the DDX functions.

void CNumericEditDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CNumericEditDlg)
    DDX_Text(pDX, IDC_POSITIVE_SAMPLE, m_dbPositiveValue);
	...
	//}}AFX_DATA_MAP
}

Thanks to

Randy More for 'All you ever wanted to know about the Clipboard'
Ian J Hart by Number, Currency, Percentage Edit Control
Dundas Software for the Masked Edit Control

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here

About the Author

ramarez

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I want to modify your code,how to start :(
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There is a bit of a flaw in the api in that its not easy
to simply say, GetNumericInputData() and return a negative int
if someone types in -500 , you get simply 500 back.

Many functions such as OnGetText etc.. do insert a negative symbol (tho not using the negativeSymbol variable, but hardcoded to _T("-"), but others such as OnCopy do not (which is less usefull)

It just means adding a wrapped function to do a GetValue() which handles these, which should have been in there at the start.

SetNumericInputData() too is a little misleading in that by default it ignores a negative value, which is not right, as if it knows its value, negative should be as easily handled.

Other than that its ok.

_______________________________
Raul Software Engineer (www.ac3dec.com

First, thanx for you nice control. I used it in many projects succesfuly. Currentlly I encountered with a problem: It is impossible to copy data to clipboard by context menu. Please try: 1) right click in control 2) from context menu select 'copy' Thanx
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Hi: I am having problems creating the DLL file. Can you give me instructions?
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I can`t use LimitText(nMax) to limit he number of the input chars~?
Can I change the code like that?
void CXrNumericEdit::CharNumeric(UINT nChar, UINT nRepCnt, UINT nFlags)
{
// Added by 9ft
UINT nMax = GetLimitText();
int nText = GetStringContents().GetLength();
BOOL bLimit = ( nText < nMax );
//---end
int nSelectionStart=0;
int nSelectionEnd =0;

GetSel(nSelectionStart, nSelectionEnd);
TRACE(_T(" %2d, %2d Before\n"), nSelectionStart, nSelectionEnd);

if(nSelectionStart== nSelectionEnd) {
int nActualI Blush | :O

Blush | :O

:- önsertionPoint= RPtoLP(nSelectionStart);
BOOL bIsPrompt= IsPromptPosition(nActualInsertionPoint);

//modifyed by 9ft
if(m_bInsertMode && !bIsPrompt && bLimit )
nActualInsertionPoint= InsertAt(nActualInsertionPoint, (TCHAR)nChar);
else if (IsValidInputPosition(nActualInsertionPoint))
nActualInsertionPoint= SetAt (nActualInsertionPoint, (TCHAR)nChar);

if (nActualInsertionPoint>= 0)
nSelectionStart= LPtoRP(nActualInsertionPoint + 1);

Update(nSelectionStart);
}
else {

int nActualInsertionPoint= RPtoLP(nSelectionStart);
POSITION pos= m_listNumericData.FindIndex(nActualInsertionPoint);

if (pos== NULL)
return;

CXrNumericData* pobjData=new CXrNumericData();
pobjData->m_chValue= (TCHAR)nChar;
m_listNumericData.InsertBefore(pos, pobjData);

if(DeleteRange(RPtoLP(nSelectionStart)+ 1, RPtoLP(nSelectionEnd)+ 1)) {

if(nActualInsertionPoint >= 0)
nSelectionStart= LPtoRP(nActualInsertionPoint + 1);

Update(nSelectionStart);
}
}
}

hero hero

Hi, I want to mention your name in a application I'm working on, and I don't known your full name. Can you please tell me? Thanks in advance. You made a very good edit control!
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There are actually a couple of bugs when the format is set to where the decimal value is another other than a period '.', both on displaying and entering the data. On the display side, supposing you have say a COMMA set for the decimal value in the regional settings, then no values beyond the decimal point are displayed, only 0. On the entry side, it is impossible to enter ',' as the decimal point. I've managed to get all of these items fixed with several small patches throughout the code, if anyone is interested drop me an email (see my profile settings). This really is a very, very nice class.

- Jeff Donovan

Is your solution public? If yes, how can we get it?
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This is a great class and thank you! There is a small error in that if the edit control has an attached buddy control, the keyboard arrows will now no longer work with the spinner. The solution is to:

1) In the xrnumericedit.cpp file, goto the function "OnKeyDown()", and remark out the VK_DOWN and VK_UP cases.

2) In the same function, same case, add a default handler to pass the message on to the base control, as in:

default:
CEdit::OnKeyDown(nChar, nRepCnt, nFlags);
break;

That will fix it and allow the keyboard arrows to again control the spinner.

Thanks again for providing the class,

Cheers!

- Jeff Donovan

There is also aboug when i do the setting as below: m_edit.SetCountDigitsAfterDecimals(0); m_edit.SetCountDigitsDecimals(2); m_edit.SetDisplayDigitsDecimalsFormat(xrDDDFDataTypeFull); m_edit.SetDisplayLeadingZero(xrDLZDataTypeParcial); The edit will not catch the 0(zero) at first digit.
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General News Suggestion Question Bug Answer Joke Rant Admin

An edit control that provides formatting and validation number

Type	Article
Licence
First Posted	2 Dec 2001
Views	92,734
Bookmarked	36 times

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