// Source.cpp : implementation file
//
#include "stdafx.h"
#include "MyHeader.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CNode
IMPLEMENT_DYNCREATE(CNode, CCmdTarget)
CNode::CNode()
{
m_nLVal=m_nRVal=0;
m_nXPos=m_nYPos=0;
m_pNext=m_pPrev=NULL;
m_bCurrent=FALSE;
}
CNode::~CNode()
{
}
BEGIN_MESSAGE_MAP(CNode, CCmdTarget)
//{{AFX_MSG_MAP(CNode)
// NOTE - the ClassWizard will add and remove mapping macros here.
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CNode message handlers
/////////////////////////////////////////////////////////////////////////////
// CDataList
IMPLEMENT_DYNCREATE(CDataList, CCmdTarget)
CDataList::CDataList()
{
m_pHead=m_pTail=m_pCurrent=NULL;
m_nNodeCount=0;
}
CDataList::~CDataList()
{
}
BEGIN_MESSAGE_MAP(CDataList, CCmdTarget)
//{{AFX_MSG_MAP(CDataList)
// NOTE - the ClassWizard will add and remove mapping macros here.
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CDataList message handlers
void CDataList::Add(CNode *pNode)
{
if(m_nNodeCount==0)
{
m_pHead=m_pTail=m_pCurrent=pNode;
m_pCurrent->SetCurrent(TRUE);
}
else
{
m_pTail->m_pNext=pNode;
pNode->m_pPrev=m_pTail;
m_pTail=pNode;
}
m_nNodeCount++;
}
/////////////////////////////////////////////////////////////////////////////
// CInputDlg dialog
CInputDlg::CInputDlg(CWnd* pParent /*=NULL*/)
: CDialog(CInputDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CInputDlg)
m_LVal = 0;
m_RVal = 0;
m_strInfo = _T("");
//}}AFX_DATA_INIT
}
void CInputDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CInputDlg)
DDX_Text(pDX, IDC_LVAL, m_LVal);
DDX_Text(pDX, IDC_RVAL, m_RVal);
DDX_Text(pDX, IDC_INFO, m_strInfo);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CInputDlg, CDialog)
//{{AFX_MSG_MAP(CInputDlg)
ON_BN_CLICKED(ID_UPDATE, OnUpdate)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CInputDlg message handlers
void CNode::SetData(int lVal, int rVal)
{
m_nLVal=lVal;
m_nRVal=rVal;
}
void CNode::SetPos(int xPos, int yPos)
{
m_nXPos=xPos;
m_nYPos=yPos;
}
void CDataList::Draw(CDC *pDC)
{
if(m_nNodeCount==0) return;
for(CNode* pNode=m_pHead;pNode!=NULL;pNode=pNode->m_pNext)
{
pNode->Draw(pDC);
}
}
void CNode::Draw(CDC *pDC)
{
CPen aPen;
if(m_bCurrent)
aPen.CreatePen(PS_SOLID,10,RGB(255,0,0));
else
aPen.CreatePen(PS_SOLID,10,RGB(0,0,0));
pDC->SelectObject(&aPen);
pDC->MoveTo(m_nXPos,m_nYPos);
pDC->LineTo(m_nXPos+NODEWIDTH,m_nYPos);
pDC->LineTo(m_nXPos+NODEWIDTH,m_nYPos-NODEHEIGHT);
pDC->LineTo(m_nXPos,m_nYPos-NODEHEIGHT);
pDC->LineTo(m_nXPos,m_nYPos);
pDC->MoveTo(m_nXPos+NODEWIDTH/4,m_nYPos);
pDC->LineTo(m_nXPos+NODEWIDTH/4,m_nYPos-NODEHEIGHT);
pDC->MoveTo(m_nXPos+NODEWIDTH*2/4,m_nYPos);
pDC->LineTo(m_nXPos+NODEWIDTH*2/4,m_nYPos-NODEHEIGHT);
pDC->MoveTo(m_nXPos+NODEWIDTH*3/4,m_nYPos);
pDC->LineTo(m_nXPos+NODEWIDTH*3/4,m_nYPos-NODEHEIGHT);
pDC->Ellipse(m_nXPos+NODEWIDTH/8-SPOINTSIZE,
m_nYPos-NODEHEIGHT/2+SPOINTSIZE,
m_nXPos+NODEWIDTH/8+SPOINTSIZE,
m_nYPos-NODEHEIGHT/2-SPOINTSIZE);
pDC->Ellipse(m_nXPos+NODEWIDTH*7/8-SPOINTSIZE,
m_nYPos-NODEHEIGHT/2+SPOINTSIZE,
m_nXPos+NODEWIDTH*7/8+SPOINTSIZE,
m_nYPos-NODEHEIGHT/2-SPOINTSIZE);
CString str;
str.Format("%3d",m_nLVal);
int xDPos,yDPos;
xDPos=m_nXPos+NODEWIDTH/4+10;
yDPos=m_nYPos-10;
pDC->TextOut(xDPos,yDPos,str);
str.Format("%3d",m_nRVal);
xDPos=m_nXPos+NODEWIDTH/2+10;
yDPos=m_nYPos-10;
pDC->TextOut(xDPos,yDPos,str);
if(m_pPrev!=NULL)
{
xDPos=m_nXPos+NODEWIDTH/8;
yDPos=m_nYPos-NODEHEIGHT/2;
int exPos=m_pPrev->m_nXPos+NODEWIDTH/2;
int eyPos=m_pPrev->m_nYPos-NODEHEIGHT;
pDC->MoveTo(xDPos,yDPos);
pDC->LineTo(exPos,eyPos);
}
if(m_pNext!=NULL)
{
xDPos=m_nXPos+NODEWIDTH*7/8;
yDPos=m_nYPos-NODEHEIGHT/2;
int exPos=m_pNext->m_nXPos+NODEWIDTH/2;
int eyPos=m_pNext->m_nYPos;
pDC->MoveTo(xDPos,yDPos);
pDC->LineTo(exPos,eyPos);
}
}
void CInputDlg::SetParent(CEx702View *pParent)
{
m_pParent=pParent;
}
void CInputDlg::OnUpdate()
{
// TODO: Add your control notification handler code here
m_pParent->SendMessage(MSG_UPDATE,0,0L);
}
void CNode::SetCurrent(BOOL bCurrent)
{
m_bCurrent=bCurrent;
}
BOOL CDataList::SetCurrent(CDC *pDC, CPoint point)
{
BOOL bRet=FALSE;
if(m_nNodeCount==0) return FALSE;
for(CNode* pNode=m_pHead;pNode!=NULL;pNode=pNode->m_pNext)
{
if(pNode->TestTouch(pDC,point))
{
m_pCurrent->SetCurrent(FALSE);
m_pCurrent=pNode;
m_pCurrent->SetCurrent(TRUE);
bRet=TRUE;
break;
}
}
return bRet;
}
BOOL CNode::TestTouch(CDC *pDC, CPoint point)
{
CRect rect=CRect(m_nXPos,m_nYPos,
m_nXPos+NODEWIDTH,m_nYPos-NODEHEIGHT);
pDC->LPtoDP(&rect);
if(rect.PtInRect(point))
return TRUE;
return FALSE;
}
void CDataList::DeleteNode()
{
if(m_nNodeCount==0)return;
m_nNodeCount--;
if(m_nNodeCount==0)
;
else if(m_nNodeCount==1)
;
else
{
}
if(m_pCurrent!=NULL)
{
CNode* pNext=m_pCurrent->m_pNext;
CNode* pPrev=m_pCurrent->m_pPrev;
delete m_pCurrent;
m_pCurrent=NULL;
if(pPrev!=NULL)
{
m_pCurrent=pPrev;
pPrev->m_pNext=pNext;
pNext->m_pPrev=pPrev;
}
else if(pNext!=NULL)
{
m_pCurrent=pNext;
pNext->m_pPrev=pPrev;
}
else
{
m_pHead=m_pTail=m_pCurrent=NULL;
}
}
}
void CDataList::Offset(int xoff, int yOff)
{
}
