selectpointdlg.cpp

程序实现了PDA对手持型GPS的导航设计。用一个串口类控制串口通讯

// SelectPointDlg.cpp : implementation file
//
#include "stdafx.h"
#include "resource.h"
#include "SelectPointDlg.h"
#include "GpsNavView.h"
#include "WptDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// SelectPointDlg dialog


SelectPointDlg::SelectPointDlg(int n,CWnd* pParent /*=NULL*/)
	: CDialog(SelectPointDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(SelectPointDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	nFT=n;	
	POSITION po=AfxGetApp()->GetFirstDocTemplatePosition();
	CDocTemplate *pDocTem=AfxGetApp()->GetNextDocTemplate(po);
	po=pDocTem->GetFirstDocPosition();
	pDoc=(CGpsNavDoc *)pDocTem->GetNextDoc(po);	
}


void SelectPointDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(SelectPointDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(SelectPointDlg, CDialog)
	//{{AFX_MSG_MAP(SelectPointDlg)
	ON_BN_CLICKED(IDC_WPTSET2, OnWptset2)
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// SelectPointDlg message handlers

BOOL SelectPointDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();	
	return TRUE;  
}

void SelectPointDlg::OnOK() 
{
	// TODO: Add extra validation here
	UpdateData();
	CListBox *pWptList=(CListBox *)GetDlgItem(IDC_LIST);
	if(pWptList->GetCurSel()==LB_ERR)
	{
		CDialog::OnOK();
	}
	if(nFT==0)
	{
		pDoc->m_Way.SetFPoint(pWptList->GetCurSel());
	}
	else
	{
		pDoc->m_Way.SetTPoint(pWptList->GetCurSel());
	}
	CDialog::OnOK();
}

void SelectPointDlg::OnWptset2() 
{
	CWptDlg dlg;
	dlg.DoModal();
	SendMessage(WM_PAINT);
}

void SelectPointDlg::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	if(nFT==0)
	{
		GetDlgItem(IDC_SELECT)->SetWindowText(_T("Select FromWaypoint")); 
	}
	else
	{
		GetDlgItem(IDC_SELECT)->SetWindowText(_T("Select ToWaypoint")); 
	}	

	CListBox *pWptList=(CListBox *)GetDlgItem(IDC_LIST);
	CArray<CWayPoint,CWayPoint> &wps=pDoc->m_Way.GetWpts();
	int num=pDoc->m_Way.GetWptNum();
	CString str="";
	unsigned short lpStr[20];
	if(num>0)
	{
		pWptList->ResetContent();
		for(int i=0;i<num;i++)
		{
			wps[i].GetPointName(lpStr);
			str.Format(_T("%d.%s"),i+1,lpStr);
			pWptList->AddString(str);
		}
	}	
	if(nFT==0)
	{
		pWptList->SetCurSel(pDoc->m_Way.GetFPoint()); 
	}
	else
	{
		pWptList->SetCurSel(pDoc->m_Way.GetTPoint()); 
	}	
}