#include "stdafx.h"
#include ".\trapkeyedit.h"

CTrapKeyEdit::CTrapKeyEdit(void)
{
	isEnterKey = false;
	isLButton = false;
	m_bFocusFlag = false;
	//isNumber = false;
}

CTrapKeyEdit::~CTrapKeyEdit(void)
{
}

BEGIN_MESSAGE_MAP(CTrapKeyEdit, CEdit)
    ON_WM_GETDLGCODE()
    ON_WM_KEYUP()
	ON_WM_LBUTTONUP()
	ON_CONTROL_REFLECT(EN_KILLFOCUS, OnKillfocus)
END_MESSAGE_MAP()

UINT CTrapKeyEdit::OnGetDlgCode()
{
    return DLGC_WANTARROWS|DLGC_WANTALLKEYS|DLGC_WANTCHARS;
}

void CTrapKeyEdit::DispatchEventEN_CHANGE() {
	HWND parent = GetParent()->m_hWnd;
	int ctrl = GetDlgCtrlID();
	::SendMessage(
		parent, 
		WM_COMMAND, 
		MAKEWPARAM(ctrl, EN_CHANGE), 
		(LPARAM) m_hWnd);
}

// process/detect keystrokes, dispatch events to alert base class
void CTrapKeyEdit::OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags)
{
	//UINT nCharNew;
    //Check if the key pressed was a DOWN ARROW key
	//if (nChar == VK_LBUTTON)	//    AfxMessageBox("It is a left button press!");
    //if (nChar == VK_DOWN)		//    AfxMessageBox("It is a down arrow key!");
    //if (nChar == VK_RIGHT)    //    AfxMessageBox("It is a right arrow key!");
    //if (nChar == VK_LEFT)		//    AfxMessageBox("It is a left arrow key!");
    //if (nChar == VK_UP)		//    AfxMessageBox("It is a up arrow key!");
	if (nChar == VK_RETURN)		//	  AfxMessageBox("It is a enter key!");
	{
		isEnterKey = true;
		DispatchEventEN_CHANGE();
		//nCharNew = VK_TAB;
		//	  AfxMessageBox("It is a enter key!");
	}

	//if ((nChar >= '0') && (nChar <= '9'))		
	//{
	//	isNumber = true;
	//	DispatchEventEN_CHANGE();
	//}
	CEdit::OnKeyUp(nChar, nRepCnt, nFlags);		// pass on the info to the base class
} 

void CTrapKeyEdit::OnLButtonUp(UINT nFlags, CPoint point) 
{	
	CEdit::OnLButtonUp(nFlags, point);

	int nStartChar, nEndChar;
	if (!m_bFocusFlag) {
		GetSel(nStartChar, nEndChar);
		SetSel(nStartChar, nEndChar);
	}
	m_bFocusFlag = true;
	if (!isLButton && GetModify()) {
		isLButton = true;
		DispatchEventEN_CHANGE();
	}
	//AfxMessageBox("It is a left button press!");
}

void CTrapKeyEdit::OnKillfocus() 
{
	m_bFocusFlag = false;	
}