staticsplitter.cpp

vc++6.0开发网络典型应用实例导航 1. 本光盘提供了本书中所有的实例源程序文件。 2. 附录文件夹下是Winsock 函数参考以及错误码列表

// StaticSplitter.cpp : implementation file
//

//this is the splitter in the conversation window... come to think of it, it
//probably should have been called CSplitterStatic. CStaticSplitter seems to
//have a secretly amusing ring to it

#include "stdafx.h"
#include "Netmsg.h"
#include "StaticSplitter.h"
#include "Conversation.h"

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

/////////////////////////////////////////////////////////////////////////////
// CStaticSplitter

CStaticSplitter::CStaticSplitter()
{
	m_SizeArrow = LoadCursor(NULL, IDC_SIZENS);
	m_LButtonDown = false;
}

CStaticSplitter::~CStaticSplitter()
{
}


BEGIN_MESSAGE_MAP(CStaticSplitter, CStatic)
	//{{AFX_MSG_MAP(CStaticSplitter)
	ON_WM_MOUSEMOVE()
	ON_WM_LBUTTONDOWN()
	ON_WM_LBUTTONUP()
	ON_WM_SETCURSOR()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CStaticSplitter message handlers

void CStaticSplitter::OnMouseMove(UINT nFlags, CPoint point) 
{
	CStatic::OnMouseMove(nFlags, point);
	if (m_LButtonDown)
	{
		CConversation *Conv = (CConversation *)GetParent();
		Conv->SplitterMoved(m_InitialPos);
	}
}

void CStaticSplitter::OnLButtonDown(UINT nFlags, CPoint point) 
{
	m_LButtonDown = true;
	SetCapture();
	CStatic::OnLButtonDown(nFlags, point);
}

void CStaticSplitter::OnLButtonUp(UINT nFlags, CPoint point) 
{
	m_LButtonDown = false;
	ReleaseCapture();
	CStatic::OnLButtonUp(nFlags, point);
}

BOOL CStaticSplitter::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) 
{
    if (nHitTest == HTCLIENT)
    {
        ::SetCursor(m_SizeArrow);
        return TRUE;
    }
	return CStatic::OnSetCursor(pWnd, nHitTest, message);
}