ownedit.cpp

小型文档管理器

// OwnEdit.cpp : implementation file
//

#include "stdafx.h"
#include "Note.h"
#include "OwnEdit.h"

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

/////////////////////////////////////////////////////////////////////////////
// COwnEdit

COwnEdit::COwnEdit()
{
	m_pMenu= new CMenu();

	m_pMenu->LoadMenu(IDR_EDIT_MENU);
    
}

COwnEdit::~COwnEdit()
{
	m_pMenu->Detach();
	delete m_pMenu;
}


BEGIN_MESSAGE_MAP(COwnEdit, CEdit)
	//{{AFX_MSG_MAP(COwnEdit)
	ON_WM_CONTEXTMENU()
	ON_COMMAND(ID_COPY, OnCopy)
	ON_COMMAND(ID_SELECT_ALL, OnSelectAll)
	ON_WM_KEYDOWN()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// COwnEdit message handlers

void COwnEdit::OnContextMenu(CWnd* pWnd, CPoint point) 
{
	// TODO: Add your message handler code here
    SetFocus();
	CString strText;
	strText.Empty();
	GetWindowText(strText);
	if(strText.IsEmpty())
		return;
  
	int nStart=0,nEnd=0;
	GetSel(nStart,nEnd);
	if(nEnd<=nStart)
		m_pMenu->EnableMenuItem(ID_COPY,MF_BYCOMMAND|MF_GRAYED);
	else
		m_pMenu->EnableMenuItem(ID_COPY,MF_BYCOMMAND|MF_ENABLED);
	m_pMenu->GetSubMenu(0)->TrackPopupMenu( 
	TPM_LEFTALIGN|TPM_LEFTBUTTON|TPM_RIGHTBUTTON,  
	point.x, point.y, this); 
	
}

//截断WM_CHAR消息,不让用户更改内容
BOOL COwnEdit::PreTranslateMessage(MSG* pMsg) 
{
	// TODO: Add your specialized code here and/or call the base class
	if(pMsg->message==WM_CHAR)
		pMsg->wParam=0;
	return CEdit::PreTranslateMessage(pMsg);
}

void COwnEdit::OnCopy() 
{
	// TODO: Add your command handler code here
	Copy();
	
}

void COwnEdit::OnSelectAll() 
{
	// TODO: Add your command handler code here
    SetSel(0,-1);
	
}

void COwnEdit::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default
	if(nChar==46) //按下了Del
		return;
	CEdit::OnKeyDown(nChar, nRepCnt, nFlags);
}