myedit.cpp

一个多方面查询的系统,也是很辛苦找到,并且做管理系统很多方面都用到的

// Copyright (c) Iuri Apollonio 1998
// Use & modify as you want & need, and leave those 4 lines.
// Strongly based on article "Inplace edit control" of Mario Contestabile and "Editable subitems" of Zafir
// http://www.codeguru.com

// GfxGroupEdit.cpp : implementation file
//

#include "stdafx.h"
//#include "micq.h"
#include "MyEdit.h"


#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMyEdit

CMyEdit::CMyEdit()
{
	bEscapeKey=false;
	bAlwaysshow=false;
	bEnable=true;
}

CMyEdit::~CMyEdit()
{
}


BEGIN_MESSAGE_MAP(CMyEdit, CEdit)
	//{{AFX_MSG_MAP(CMyEdit)
	ON_WM_KILLFOCUS()
	ON_WM_CREATE()
	ON_WM_CHAR()
	ON_WM_LBUTTONDOWN()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyEdit message handlers

void CMyEdit::OnKillFocus(CWnd* pNewWnd) 
{
	if(!bAlwaysshow)
	{
		PostMessage(WM_CLOSE, 0, 0);
	
		if (!bEscapeKey)
		{
			CString s;
			GetWindowText(s);

			if (s.GetBuffer(100))
			{ 
				if(lstrlen(((CMyLabel *)pParent)->cName)>0)
					delete ((CMyLabel *)pParent)->cName;
				((CMyLabel *)pParent)->cName = new char[lstrlen(s.GetBuffer(100))+1];
				ASSERT(((CMyLabel *)pParent)->cName);
				lstrcpy(((CMyLabel *)pParent)->cName, s.GetBuffer(100));
			}  
		} 
		((CMyLabel *)pParent)->bEditShow=false;
	} 
	else
	{
		CString s;
		GetWindowText(s);

		if (s.GetBuffer(100))
		{  
			if(lstrlen(((CMyLabel *)pParent)->cName)>0)
				delete ((CMyLabel *)pParent)->cName;
			((CMyLabel *)pParent)->cName = new char[lstrlen(s.GetBuffer(100))+1];
			ASSERT(((CMyLabel *)pParent)->cName);
			lstrcpy(((CMyLabel *)pParent)->cName, s.GetBuffer(100));
		}   
	}
	
	CEdit::OnKillFocus(pNewWnd);
}

BOOL CMyEdit::PreTranslateMessage(MSG* pMsg) 
{
	if(!bAlwaysshow)
	{
		if (pMsg->wParam == VK_RETURN)
		{
			PostMessage(WM_CLOSE, 0, 0);
			return TRUE;
		} 
		else if (pMsg->wParam == VK_ESCAPE)
		{ 
		 	PostMessage(WM_CLOSE, 0, 0);
			return bEscapeKey = TRUE;
		} 
	}
	else   //一直显示
	{
		if (pMsg->wParam == VK_RETURN)
		{
			CString s;
			GetWindowText(s);
			strcat(s.GetBuffer(2000),"\n\r");
			SetWindowText(s);

			SetSel(lstrlen(s.GetBuffer(2000)),lstrlen(s.GetBuffer(2000)));
		}
	}
	
	return CEdit::PreTranslateMessage(pMsg);
}

void CMyEdit::PostNcDestroy() 
{
	CEdit::PostNcDestroy();
	delete this;
}

int CMyEdit::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CEdit::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	SendMessage(WM_SETFONT,(WPARAM) GetStockObject(DEFAULT_GUI_FONT),MAKELPARAM(TRUE,0));
	return 0;
}

void CMyEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	if(!bEnable)return;

	if(!bAlwaysshow)
	{
		if (nChar == VK_ESCAPE || nChar == VK_RETURN)
		{
			if (nChar == VK_ESCAPE) bEscapeKey = TRUE;
			GetParent()->SetFocus();
			return;
		} 
	}
	else    //一直显示
	{    
	}


	CEdit::OnChar(nChar, nRepCnt, nFlags);
}

void CMyEdit::Create(DWORD dwStyle, CWnd *parentWnd, void *label,int id)
{
	pParentWnd=parentWnd;
	pParent=label;  //因为此控件由CMyLabel调用

	CEdit::Create(dwStyle|WS_VISIBLE|WS_BORDER|WS_CHILD,editRC,pParentWnd,WM_USER + 1000+id);

	if(!bAlwaysshow)SetWindowText(((CMyLabel *)pParent)->cName);
	((CMyLabel *)pParent)->bEditShow=true;

	SetFocus();
}
  
void CMyEdit::setAlwaysShow(bool show)
{
	bAlwaysshow=show;
}

void CMyEdit::setPos(CRect rc)
{
	editRC=rc;
}

void CMyEdit::setEnable(bool enable)
{
	bEnable=enable;
}

void CMyEdit::OnLButtonDown(UINT nFlags, CPoint point) 
{
	SetFocus();
}