www.pudn.com > usefulsplitter_src.zip > UsefulSplitterWnd.cpp

// UsefulSplitterWnd.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "UsefulSplitterWnd.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
//The CUsefulSplitterWnd class primary extened use is for Replacing Views. 
//In the function CUsefulSplitterWnd::ReplaceView pDoc->AutoDelete has to be changed to prevent 
//the one and only doc object from being deleted. 
///////////////////////////////////////////////////////////////////////////// 
// CUsefulSplitterWnd 
 
CUsefulSplitterWnd::CUsefulSplitterWnd() 
{ 
	m_bBarLocked=FALSE; 
} 
 
CUsefulSplitterWnd::~CUsefulSplitterWnd() 
{ 
} 
 
 
BEGIN_MESSAGE_MAP(CUsefulSplitterWnd, CSplitterWnd) 
	//{{AFX_MSG_MAP(CUsefulSplitterWnd) 
	ON_WM_LBUTTONDOWN() 
	ON_WM_MOUSEMOVE() 
	ON_WM_SETCURSOR() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
 
///////////////////////////////////////////////////////////////////////////// 
// CUsefulSplitterWnd message handlers 
 
void CUsefulSplitterWnd::OnLButtonDown(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	if (!m_bBarLocked) 
		CSplitterWnd::OnLButtonDown(nFlags, point); 
} 
 
void CUsefulSplitterWnd::OnMouseMove(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	if (!m_bBarLocked) 
		CSplitterWnd::OnMouseMove(nFlags, point); 
	else 
		CWnd::OnMouseMove(nFlags, point); 
} 
 
BOOL CUsefulSplitterWnd::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)  
{ 
	// TODO: Add your message handler code here and/or call default 
	if (!m_bBarLocked) 
		return CWnd::OnSetCursor(pWnd, nHitTest, message); 
 
	return CSplitterWnd::OnSetCursor(pWnd, nHitTest, message); 
} 
 
BOOL CUsefulSplitterWnd::ReplaceView(int row, int col,CRuntimeClass * pViewClass,SIZE size) 
{ 
  CCreateContext context; 
  BOOL bSetActive; 
	        
    
  if ((GetPane(row,col)->IsKindOf(pViewClass))==TRUE) 
       return FALSE; 
				     
    
   // Get pointer to CDocument object so that it can be used in the creation  
   // process of the new view 
   CDocument * pDoc= ((CView *)GetPane(row,col))->GetDocument(); 
   CView * pActiveView=GetParentFrame()->GetActiveView(); 
   if (pActiveView==NULL || pActiveView==GetPane(row,col)) 
      bSetActive=TRUE; 
   else 
      bSetActive=FALSE; 
 
    // set flag so that document will not be deleted when view is destroyed 
	pDoc->m_bAutoDelete=FALSE;     
    // Delete existing view  
   ((CView *) GetPane(row,col))->DestroyWindow(); 
    // set flag back to default  
    pDoc->m_bAutoDelete=TRUE; 
  
    // Create new view                       
    
   context.m_pNewViewClass=pViewClass; 
   context.m_pCurrentDoc=pDoc; 
   context.m_pNewDocTemplate=NULL; 
   context.m_pLastView=NULL; 
   context.m_pCurrentFrame=NULL; 
    
   CreateView(row,col,pViewClass,size, &context); 
    
   CView * pNewView= (CView *)GetPane(row,col); 
    
   if (bSetActive==TRUE) 
      GetParentFrame()->SetActiveView(pNewView); 
    
   RecalcLayout();  
   GetPane(row,col)->SendMessage(WM_PAINT); 
    
   return TRUE; 
}