hexedit.cpp

VC 读串口话是动态波形,非常好的应用程序

	return CPoint(-1,-1);
}

void CHexEdit::CreateAddressCaret()
{
	DestroyCaret();
	CreateSolidCaret(m_nullWidth * (m_bAddressIsWide ? 8 : 4), m_lineHeight);
}

void CHexEdit::CreateEditCaret()
{
	DestroyCaret();
	CreateSolidCaret(m_nullWidth, m_lineHeight);
}

void CHexEdit::OnMouseMove(UINT nFlags, CPoint point) 
{
	if(!m_pData)
		return;

	if(nFlags & MK_LBUTTON && m_selStart != 0xffffffff)
	{
		CRect rc;
		GetClientRect(&rc);
		if(!rc.PtInRect(point))
		{
			if(point.y < 0)
			{
				OnVScroll(SB_LINEUP, 0, NULL);
				point.y = 0;
			}
			else if(point.y > rc.Height())
			{
				OnVScroll(SB_LINEDOWN, 0, NULL);
				point.y = rc.Height() -1;
			}
		}

		//
		// we are selecting
		//
		int	 seo = m_selEnd;
		CPoint pt = CalcPos(point.x, point.y);
		if(pt.x > -1)
		{
			m_selEnd = m_currentAddress;
			if(m_currentMode == EDIT_HIGH || m_currentMode == EDIT_LOW)
				m_selEnd++;
		}
		if(IsSelected())
			DestroyCaret();

		if(seo != m_selEnd)
			RedrawWindow();
	}
}


void CHexEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	nFlags;nRepCnt;
	if(!m_pData)
		return;
	if(nChar == '\t')
		return;
	if(GetKeyState(VK_CONTROL) & 0x80000000)
	{
		switch(nChar)
		{
			case 0x03:
				if(IsSelected())
					OnEditCopy();
				return;
			case 0x16:
				OnEditPaste();
				return;
			case 0x18:
				if(IsSelected())
					OnEditCut();
				return;
			case 0x1a:
				OnEditUndo();
				return;
		}
	}

	if(nChar == 0x08)
	{
		if(m_currentAddress > 0)
		{
			m_currentAddress--;
			SelDelete(m_currentAddress, m_currentAddress+1);
			RepositionCaret(m_currentAddress);
			RedrawWindow();
		}
		return;
	}

	SetSel(-1, -1);
	switch(m_currentMode)
	{
		case EDIT_NONE:
			return;
		case EDIT_HIGH:
		case EDIT_LOW:
			if((nChar >= '0' && nChar <= '9') || (nChar >= 'a' && nChar <= 'f'))
			{
				UINT b = nChar - '0';
				if(b > 9) 
					b = 10 + nChar - 'a';

				if(m_currentMode == EDIT_HIGH)
				{
					m_pData[m_currentAddress] = (unsigned char)((m_pData[m_currentAddress] & 0x0f) | (b << 4));
				}
				else
				{
					m_pData[m_currentAddress] = (unsigned char)((m_pData[m_currentAddress] & 0xf0) | b);
				}
				Move(1,0);
			}
			break;
		case EDIT_ASCII:
			m_pData[m_currentAddress] = (unsigned char)nChar;
			Move(1,0);
			break;
	}
	RedrawWindow();
}


void CHexEdit::RepositionCaret(int	 p)
{
	int x, y;

	y = (p - m_topindex) / m_bpr;
	x = (p - m_topindex) % m_bpr;

	switch(m_currentMode)
	{
		case EDIT_NONE:
			CreateAddressCaret();
			x = 0;
			break;
		case EDIT_HIGH:
			CreateEditCaret();
			x *= m_nullWidth*3;
			x += m_offHex;
			break;
		case EDIT_LOW:
			CreateEditCaret();
			x *= m_nullWidth*3;
			x += m_nullWidth;
			x += m_offHex;
			break;
		case EDIT_ASCII:
			CreateEditCaret();
			x *= m_nullWidth;
			x += m_offAscii;
			break;
	}
	m_editPos.x = x;
	m_editPos.y = y*m_lineHeight;
	CRect rc;
	GetClientRect(&rc);
	if(rc.PtInRect(m_editPos))
	{
		SetCaretPos(m_editPos);
		ShowCaret();
	}
}


void CHexEdit::OnContextMenu(CWnd* pWnd, CPoint point)
{

	// CG: This block was added by the Pop-up Menu component
	{
		if (point.x == -1 && point.y == -1)
		{
			//keystroke invocation
			CRect rect;
			GetClientRect(rect);
			ClientToScreen(rect);

			point = rect.TopLeft();
			point.Offset(5, 5);
		}

		CMenu menu;
		VERIFY(menu.LoadMenu(CG_IDR_POPUP_HEX_EDIT));

		CMenu* pPopup = menu.GetSubMenu(0);
		ASSERT(pPopup != NULL);

		pPopup->EnableMenuItem(ID_EDIT_UNDO, MF_GRAYED|MF_DISABLED|MF_BYCOMMAND);
		if(!IsSelected())
		{
			pPopup->EnableMenuItem(ID_EDIT_CLEAR, MF_GRAYED|MF_DISABLED|MF_BYCOMMAND);
			pPopup->EnableMenuItem(ID_EDIT_CUT, MF_GRAYED|MF_DISABLED|MF_BYCOMMAND);
			pPopup->EnableMenuItem(ID_EDIT_COPY, MF_GRAYED|MF_DISABLED|MF_BYCOMMAND);
		}
		{
			COleDataObject	obj;	
			if (obj.AttachClipboard()) 
			{
				if(!obj.IsDataAvailable(CF_TEXT) && !obj.IsDataAvailable(RegisterClipboardFormat("BinaryData")))
					pPopup->EnableMenuItem(ID_EDIT_PASTE, MF_GRAYED|MF_DISABLED|MF_BYCOMMAND);
			}
		}

		pPopup->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x, point.y,
			this);
	}
}

void CHexEdit::OnEditClear() 
{
	m_currentAddress = m_selStart;
	SelDelete(m_selStart, m_selEnd);
	RepositionCaret(m_currentAddress);
	RedrawWindow();
}

void CHexEdit::OnEditCopy() 
{
	COleDataSource*		pSource = new COleDataSource();
	EmptyClipboard();
	if(m_currentMode != EDIT_ASCII)
	{
		int			dwLen = (m_selEnd-m_selStart);
		HGLOBAL		hMemb = ::GlobalAlloc(GMEM_MOVEABLE|GMEM_DDESHARE|GMEM_ZEROINIT, m_selEnd-m_selStart);
		HGLOBAL		hMema = ::GlobalAlloc(GMEM_MOVEABLE|GMEM_DDESHARE|GMEM_ZEROINIT, (dwLen) * 3);

		if (!hMema) 
			return;

		// copy binary
		LPBYTE	p = (BYTE*)::GlobalLock(hMemb);
		memcpy(p, m_pData+m_selStart, dwLen);
		::GlobalUnlock(hMemb);
		
		// copy ascii
		p = (BYTE*)::GlobalLock(hMema);
		for(int	 i = 0; i < dwLen;)
		{
			TOHEX(m_pData[m_selStart+i], p);
			*p++ = ' ';
			i++;
		}

		::GlobalUnlock(hMema);

		pSource->CacheGlobalData(RegisterClipboardFormat("BinaryData"), hMemb);	
		pSource->CacheGlobalData(CF_TEXT, hMema);	
	}
	else
	{
		HGLOBAL				hMemb = ::GlobalAlloc(GMEM_MOVEABLE|GMEM_DDESHARE|GMEM_ZEROINIT, m_selEnd-m_selStart);
		HGLOBAL				hMema = ::GlobalAlloc(GMEM_MOVEABLE|GMEM_DDESHARE|GMEM_ZEROINIT, m_selEnd-m_selStart);
		if (!hMemb || !hMema) 
			return;

		// copy binary
		LPBYTE	p = (BYTE*)::GlobalLock(hMemb);
		int		dwLen = m_selEnd-m_selStart;

		memcpy(p, m_pData+m_selStart, dwLen);
		::GlobalUnlock(hMemb);
		
		// copy ascii
		p = (BYTE*)::GlobalLock(hMema);
		memcpy(p, m_pData+m_selStart, dwLen);
		for(int i = 0; i < dwLen; p++, i++)
			if(!isprint(*p))
				*p = '.';
		::GlobalUnlock(hMema);

		pSource->CacheGlobalData(RegisterClipboardFormat("BinaryData"), hMemb);	
		pSource->CacheGlobalData(CF_TEXT, hMema);	
	}
	pSource->SetClipboard();
}

void CHexEdit::OnEditCut() 
{
	OnEditCopy();
	SelDelete(m_selStart, m_selEnd);
	RedrawWindow();
}

void CHexEdit::OnEditPaste() 
{
	COleDataObject	obj;	
	if (obj.AttachClipboard()) 
	{
		HGLOBAL hmem = NULL;
		if (obj.IsDataAvailable(RegisterClipboardFormat("BinaryData"))) 
		{
			hmem = obj.GetGlobalData(RegisterClipboardFormat("BinaryData"));
		}	
		else if (obj.IsDataAvailable(CF_TEXT)) 
		{
			hmem = obj.GetGlobalData(CF_TEXT);
		}
		if(hmem)
		{
			LPBYTE	p = (BYTE*)::GlobalLock(hmem);
			DWORD	dwLen = ::GlobalSize(hmem);
			int		insert;
			int		oa = m_currentAddress;
			
			NormalizeSel();
			if(m_selStart == 0xffffffff)
			{
				if(m_currentMode == EDIT_LOW)
					m_currentAddress++;
				insert = m_currentAddress;
				SelInsert(m_currentAddress, dwLen);
			}
			else
			{
				insert = m_selStart;
				SelDelete(m_selStart, m_selEnd);
				SelInsert(insert, dwLen);
				SetSel(-1, -1);
			}

			memcpy(m_pData+insert, p, dwLen);

			m_currentAddress = oa;
			RedrawWindow();
			::GlobalUnlock(hmem);
		}
	}
}

void CHexEdit::OnEditSelectAll() 
{
	m_selStart = 0;
	m_selEnd = m_length;
	DestroyCaret();
	RedrawWindow();
}

void CHexEdit::OnEditUndo() 
{
//DEL 	// TODO: Add your command handler code here
//DEL 	
}

void CHexEdit::NormalizeSel()
{
	if(m_selStart > m_selEnd)
		m_selStart ^= m_selEnd ^= m_selStart ^= m_selEnd;
}

void CHexEdit::SelDelete(int s, int e)
{
	LPBYTE p = (LPBYTE) malloc(m_length - (e-s)+1);
	memcpy(p, m_pData, s);
	if(s < m_length-(e-s)) 
		memcpy(p+s, m_pData+e, (m_length -e));
	
	free(m_pData);
	SetSel(-1, -1);
	m_pData = p;
	m_length = m_length-(e-s);
	if(m_currentAddress > m_length)
	{
		m_currentAddress = m_length;
		RepositionCaret(m_currentAddress);
	}
	m_bUpdate = TRUE;
}

void CHexEdit::SelInsert(int s, int l)
{
	LPBYTE p = (LPBYTE) calloc(m_length + l, 1);
	memcpy(p, m_pData, s);
	memcpy(p+s+l, m_pData+s, (m_length-s));
	free(m_pData);
	SetSel(-1, -1);
	m_pData = p;
	m_length = m_length+l;
	m_bUpdate = TRUE;
}

CSize CHexEdit::GetSel()
{
	return CSize(m_selStart, m_selEnd);
}

void CHexEdit::SetData(LPBYTE p, int len)
{
	free(m_pData);
	
	m_pData = (LPBYTE) malloc(len);
	memcpy(m_pData, p, len);

	SetSel(-1, -1);
	m_length = len;
	m_currentAddress = 0;
	m_editPos.x = m_editPos.y = 0;
	m_currentMode = EDIT_HIGH;
	m_topindex = 0;
	m_bUpdate = TRUE;
}

int CHexEdit::GetData(LPBYTE p, int len)
{
	memcpy(p, m_pData, min(len, m_length));
	return m_length;
}

void CHexEdit::AppendData(LPBYTE p, int addlen)
{
	LPBYTE oldData=m_pData;
	int	oldlen=m_length;
	m_pData = (LPBYTE) malloc(oldlen+addlen);
	m_length = oldlen+addlen;
	memcpy(m_pData, oldData, oldlen);
	free(oldData);
	memcpy(m_pData+oldlen,p,addlen);

	SetSel(oldlen, m_length);

	m_currentAddress = oldlen;
	m_editPos.x = m_editPos.y = 0;
	m_currentMode = EDIT_HIGH;
	m_topindex = 0;
	m_bUpdate = TRUE;
}

void CHexEdit::Clear()
{
	free(m_pData);
	m_pData		= NULL;		// pointer to data
	m_length	= 0;

	m_selStart	= 0xffffffff;
	m_selEnd	= 0xffffffff;

	m_bUpdate=TRUE;
}

BOOL CHexEdit::OnEraseBkgnd(CDC* pDC) 
{
	// TODO: Add your message handler code here and/or call default
	
	return CEdit::OnEraseBkgnd(pDC);
}

void CHexEdit::OnLButtonDblClk(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	
//	CEdit::OnLButtonDblClk(nFlags, point);
}

void CHexEdit::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	// TODO: Add your message handler code here and/or call default
	CEdit::OnHScroll(nSBCode, nPos, pScrollBar);
}

void CHexEdit::OnSize(UINT nType, int cx, int cy) 
{
	CEdit::OnSize(nType, cx, cy);
	
	// TODO: Add your message handler code here
	
}