textwnd.cpp

数据结构的代码演示程序

// TextWnd.cpp : implementation file
//

#include "stdafx.h"
#include "TextWnd.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTextWnd
//设置与窗口相关的静态Control.
CTextWnd::CTextWnd(int IDC)
{
	 int i;
 	 m_IDC=IDC;
	 
	 m_BK_Color  = RGB(192, 192, 192);
	 m_HI_BColor = RGB(255,   0,   0);
	 m_Text_Color= RGB(  0, 128,   0);
	 m_HI_TColor = RGB(255, 255, 255);
 	 m_X_Blank = 0;
	 m_Sentence_num = 0;
	 for(i=0; i<50; i++)
		 m_Sentence_Flag[i] = 'A';
	 memset(m_Pos_Flag, 0, 6);
	 m_ResetWnd = FALSE;
}

//按相关静态Control设置窗口大小，创立窗口。

BOOL CTextWnd::Create(LPCTSTR lpszClassName, LPCTSTR lpszWindowName,
						DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, 
						UINT nID, CCreateContext* pContext) 
{
	// TODO: Add your specialized code here and/or call the base class
	CWnd  *TextReg;
    CRect      Origin_Rect;

	TextReg=pParentWnd->GetDlgItem(m_IDC);
	if(TextReg==NULL)throw(0);
	TextReg->GetWindowRect(&Origin_Rect);
    Origin_Rect.DeflateRect(5,5);
	pParentWnd->ScreenToClient(&Origin_Rect);
	m_Width = Origin_Rect.Width();
	m_Heigh = Origin_Rect.Height();
	
	return CWnd::Create(lpszClassName, lpszWindowName, dwStyle,
		                Origin_Rect, pParentWnd, nID, pContext);
}

void CTextWnd::SetTextWnd()
{
	CPaintDC dc(this); // device context for painting
	CSize Size;

	Size = dc.GetOutputTextExtent("          ");
	m_X_Blank = Size.cx/10;
	m_Y = Size.cy + 1;
	m_Blank_Num = m_Width/m_X_Blank;
	m_X_Start = m_X_Blank * 10;
	m_Blank_String.Empty();
	for(int i=0; i<m_Blank_Num-10; i++)
		m_Blank_String += ' ';
	m_Brush = dc.GetCurrentBrush();

}

CTextWnd::~CTextWnd()
{
	for(int i=0; i<50; i++)
	{
		if(!m_Sentence[i].IsEmpty()) 
			m_Sentence[i].Empty();
	
	}
	m_Blank_String.Empty();
}


BEGIN_MESSAGE_MAP(CTextWnd, CWnd)
	//{{AFX_MSG_MAP(CTextWnd)
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// CTextWnd message handlers
void CTextWnd::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	// TODO: Add your message handler code here
	int i, j;
	for(i=0,j=1; i<m_Sentence_num; i++)
	{
		if(m_Sentence_Flag[i]=='L')
		{
			dc.SetBkColor(m_HI_BColor);
			dc.TextOut(m_X_Blank, j, m_Pos_Flag, 4); //" ● " or "===>"
			dc.TextOut(m_X_Start, j, m_Blank_String);
			dc.TextOut(m_X_Start, j, m_Sentence[i]);
		}
		else if(m_Sentence_Flag[i]=='A')
		{
			dc.SetBkColor(m_HI_TColor);
			dc.SetTextColor(m_HI_TColor);
			dc.TextOut(m_X_Blank, j, m_Pos_Flag, 4); //" ● " or "===>"
			dc.SetBkColor(m_BK_Color);
			dc.SetTextColor(m_Text_Color);
			dc.TextOut(m_X_Start, j, m_Blank_String);
			dc.TextOut(m_X_Start, j, m_Sentence[i]);
		}
		j += m_Y;
	}
	dc.SetBkColor(m_HI_TColor);
	dc.SetTextColor(m_HI_TColor);
	dc.TextOut(m_X_Blank, j, m_Pos_Flag, 4); //" ● " or "===>"
	dc.TextOut(m_X_Start, j, m_Blank_String);
	// Do not call CWnd::OnPaint() for painting messages
}