otherfractaldialog.cpp

自己写的一个分形程序

// OtherFractalDialog.cpp : implementation file
//

#include "stdafx.h"
#include "FractalEx.h"
#include "OtherFractalDialog.h"

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

/////////////////////////////////////////////////////////////////////////////
// COtherFractalDialog dialog


COtherFractalDialog::COtherFractalDialog(CWnd* pParent /*=NULL*/)
	: CDialog(COtherFractalDialog::IDD, pParent)
{
	//{{AFX_DATA_INIT(COtherFractalDialog)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT

	SelectedLib="";
}


void COtherFractalDialog::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(COtherFractalDialog)
	DDX_Control(pDX, IDC_LIST1, m_list);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(COtherFractalDialog, CDialog)
	//{{AFX_MSG_MAP(COtherFractalDialog)
	ON_NOTIFY(NM_DBLCLK, IDC_LIST1, OnDblclkList1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// COtherFractalDialog message handlers

BOOL COtherFractalDialog::OnInitDialog() 
{
	CDialog::OnInitDialog();

	m_list.InsertColumn(0, "名称", LVCFMT_LEFT, 100);
	m_list.InsertColumn(1, "表达式", LVCFMT_LEFT, 100);
	m_list.InsertColumn(2, "初值", LVCFMT_LEFT, 100);
	m_list.InsertColumn(3, "文件名", LVCFMT_LEFT, 100);

	m_list.SendMessage(LVM_SETEXTENDEDLISTVIEWSTYLE, 0, LVS_EX_FULLROWSELECT);

	CFileFind cfd;
	CString filename;
	int i=0, reali;
	BOOL found=cfd.FindFile(LibPath+"*.dll");
	while(found)
	{
		found=cfd.FindNextFile();
		FractalData* data=NULL;
		filename=cfd.GetFileName();
		HMODULE hlib=LoadLibrary(LibPath+filename);
		if(hlib)
		{
			_GetFractalData getdata=(_GetFractalData)GetProcAddress(hlib, "GetFractalData");
			if(getdata)
				data=getdata();
		}
		if(data&&data->tempor)
		{
			reali=m_list.InsertItem(i, data->name);
			m_list.SetItemText(reali, 1, data->expression);
			m_list.SetItemText(reali, 2, data->origin);
			m_list.SetItemText(reali, 3, filename);
			i++;
		}
		if(hlib)
			FreeLibrary(hlib);
	}
	cfd.Close();

	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void COtherFractalDialog::OnDblclkList1(NMHDR* pNMHDR, LRESULT* pResult) 
{
	CPoint pt;
	GetCursorPos(&pt);
	m_list.ScreenToClient(&pt);
	int n=m_list.HitTest(pt);
	if(n>=0)
		OnOK();
	*pResult = 0;
}

void COtherFractalDialog::OnOK() 
{
	POSITION pos=m_list.GetFirstSelectedItemPosition();
	if(pos)
	{
		int n=m_list.GetNextSelectedItem(pos);
		SelectedLib=LibPath+m_list.GetItemText(n, 3);
	}
	else
	{
		MessageBox("没有选择!");
		return;
	}

	CDialog::OnOK();
}