ccrystaltextview.cpp

专门为65XX系列芯片设计的变异调试环境的源代码

		return;

	int nLastLine= FindVisibleLine(nTopLine, nLines);
	int nCount= nLastLine - nTopLine + 1;
	m_vLineInsideBlock.resize(nCount);

	// text block nesting depth
	int nLevel= 0;

	ASSERT(nTopLine >= 0);

	int nLineFrom = nTopLine;

	std::vector<bool>::iterator itInside= m_vLineInsideBlock.begin();
	std::vector<bool>::iterator itEnd=	  m_vLineInsideBlock.end();

	for (int nLine= nTopLine, nIndex= 0; nLines > 0; ++itInside)
	{
		DWORD dwFlags= m_pTextBuffer->GetLineFlags(nLine);

		if (dwFlags & LF_COLLAPSIBLE_BLOCK_END)
			--nLevel;

		if (nLevel <= 0 && nLineFrom > 0)
		{
			// look outside (this is up); are we still inside a block?

			int nLineIndex= nLineFrom - 1;

			for (; nLineIndex >= 0; --nLineIndex)
			{
				DWORD dwFlags= m_pTextBuffer->GetLineFlags(nLineIndex);

				if (dwFlags & LF_COLLAPSIBLE_BLOCK_END)
					--nLevel;

				if (dwFlags & LF_COLLAPSIBLE_BLOCK_START)
					if (++nLevel > 0)
						break;
			}

			nLineFrom = nLineIndex;
		}

		ASSERT(itInside < itEnd);
		*itInside = nLevel > 0;

		if (dwFlags & LF_COLLAPSIBLE_BLOCK_START)
			++nLevel;

		if (!IsLineHidden(nLine))
			--nLines;

		if (++nLine >= nLineCount)
			break;

		if (itInside == itEnd)
			break;
	}

	std::fill(itInside, itEnd, false);
}


void CCrystalTextView::ResetView()
{
	m_nTopLine = 0;
	m_nOffsetChar = 0;
	m_nLineHeight = -1;
	m_nCharWidth = -1;
	m_nTabSize = 4;
	m_nMaxLineLength = -1;
	m_nScreenLines = -1;
	m_nScreenChars = -1;
	m_nIdealCharPos = -1;
	m_ptAnchor.x = 0;
	m_ptAnchor.y = 0;
	if (m_pIcons != NULL)
	{
		delete m_pIcons;
		m_pIcons = NULL;
	}
	for (int I = 0; I < 4; I ++)
	{
		if (m_apFonts[I] != NULL)
		{
			m_apFonts[I]->DeleteObject();
			delete m_apFonts[I];
			m_apFonts[I] = NULL;
		}
	}
	if (m_pdwParseCookies != NULL)
	{
		delete m_pdwParseCookies;
		m_pdwParseCookies = NULL;
	}
	if (m_pnActualLineLength != NULL)
	{
		delete m_pnActualLineLength;
		m_pnActualLineLength = NULL;
	}
	m_nParseArraySize = 0;
	m_nActualLengthArraySize = 0;
	m_ptCursorPos.x = 0;
	m_ptCursorPos.y = 0;
	m_ptSelStart = m_ptSelEnd = m_ptCursorPos;
	m_bDragSelection = FALSE;
	m_bVertScrollBarLocked = FALSE;
	m_bHorzScrollBarLocked = FALSE;
	if (::IsWindow(m_hWnd))
		UpdateCaret();
	m_bLastSearch = FALSE;
	m_bShowInactiveSelection = FALSE;
	m_bPrintHeader = FALSE;
	m_bPrintFooter = TRUE;

	m_bBookmarkExist  = FALSE;	// More bookmarks
	m_bMultipleSearch = FALSE;	// More search
}

void CCrystalTextView::UpdateCaret()
{
	ASSERT_VALIDTEXTPOS(m_ptCursorPos);
	if (m_bFocused && ! m_bCursorHidden &&
		CalculateActualOffset(m_ptCursorPos.y, m_ptCursorPos.x) >= m_nOffsetChar)
	{
		CreateSolidCaret(2, GetLineHeight());
		SetCaretPos(TextToClient(m_ptCursorPos));
		ShowCaret();
	}
	else
	{
		HideCaret();
	}

	CaretMoved();
}


int CCrystalTextView::GetTabSize()
{
	ASSERT(m_nTabSize >= 0 && m_nTabSize <= 64);
	return m_nTabSize;
}

void CCrystalTextView::SetTabSize(int nTabSize)
{
	ASSERT(nTabSize >= 0 && nTabSize <= 64);
	if (m_nTabSize != nTabSize)
	{
		m_nTabSize = nTabSize;
		if (m_pnActualLineLength != NULL)
		{
			delete m_pnActualLineLength;
			m_pnActualLineLength = NULL;
		}
		m_nActualLengthArraySize = 0;
		m_nMaxLineLength = -1;
		RecalcHorzScrollBar();
		Invalidate();
		UpdateCaret();
	}
}

CFont *CCrystalTextView::GetFont(BOOL bItalic /*= FALSE*/, BOOL bBold /*= FALSE*/)
{
	int nIndex = 0;
	if (bBold)
		nIndex |= 1;
	if (bItalic)
		nIndex |= 2;

	if (m_apFonts[nIndex] == NULL)
	{
		m_apFonts[nIndex] = new CFont;
		m_lfBaseFont.lfWeight = bBold ? FW_BOLD : FW_NORMAL;
		m_lfBaseFont.lfItalic = (BYTE) bItalic;
		if (! m_apFonts[nIndex]->CreateFontIndirect(&m_lfBaseFont))
		{
			delete m_apFonts[nIndex];
			m_apFonts[nIndex] = NULL;
			return CView::GetFont();
		}

	}
	return m_apFonts[nIndex];
}

void CCrystalTextView::CalcLineCharDim()
{
	CDC *pdc = GetDC();
	CFont *pOldFont = pdc->SelectObject(GetFont());
	CSize szCharExt = pdc->GetTextExtent(_T("X"));
	m_nLineHeight = szCharExt.cy;
	if (m_nLineHeight < 1)
		m_nLineHeight = 1;
	m_nCharWidth = szCharExt.cx;
	/*
	TEXTMETRIC tm;
	if (pdc->GetTextMetrics(&tm))
		m_nCharWidth -= tm.tmOverhang;
	*/
	pdc->SelectObject(pOldFont);
	ReleaseDC(pdc);
}

int CCrystalTextView::GetLineHeight()
{
	if (m_nLineHeight == -1)
		CalcLineCharDim();
	return m_nLineHeight;
}

int CCrystalTextView::GetCharWidth()
{
	if (m_nCharWidth == -1)
		CalcLineCharDim();
	return m_nCharWidth;
}

int CCrystalTextView::GetMaxLineLength()
{
	if (m_nMaxLineLength == -1)
	{
		m_nMaxLineLength = 0;
		int nLineCount = GetLineCount();
		for (int I = 0; I < nLineCount; I ++)
		{
			int nActualLength = GetLineActualLength(I);
			if (m_nMaxLineLength < nActualLength)
				m_nMaxLineLength = nActualLength;
		}
	}
	return m_nMaxLineLength;
}

CCrystalTextView *CCrystalTextView::GetSiblingView(int nRow, int nCol)
{
	CSplitterWnd *pSplitter = GetParentSplitter(this, FALSE);
	if (pSplitter == NULL)
		return NULL;
	CWnd *pWnd = CWnd::FromHandlePermanent(
		::GetDlgItem(pSplitter->m_hWnd, pSplitter->IdFromRowCol(nRow, nCol)));
	if (pWnd == NULL || ! pWnd->IsKindOf(RUNTIME_CLASS(CCrystalTextView)))
		return NULL;
	return (CCrystalTextView *) pWnd;
}

void CCrystalTextView::OnInitialUpdate()
{
	CView::OnInitialUpdate();

	AttachToBuffer(NULL);

	CSplitterWnd *pSplitter = GetParentSplitter(this, FALSE);
	if (pSplitter != NULL)
	{
		//	See CSplitterWnd::IdFromRowCol() implementation
		int nRow = (GetDlgCtrlID() - AFX_IDW_PANE_FIRST) / 16;
		int nCol = (GetDlgCtrlID() - AFX_IDW_PANE_FIRST) % 16;
		ASSERT(nRow >= 0 && nRow < pSplitter->GetRowCount());
		ASSERT(nCol >= 0 && nCol < pSplitter->GetColumnCount());

		if (nRow > 0)
		{
			CCrystalTextView *pSiblingView = GetSiblingView(0, nCol);
			if (pSiblingView != NULL && pSiblingView != this)
			{
				m_nOffsetChar = pSiblingView->m_nOffsetChar;
				ASSERT(m_nOffsetChar >= 0 && m_nOffsetChar <= GetMaxLineLength());
			}
		}

		if (nCol > 0)
		{
			CCrystalTextView *pSiblingView = GetSiblingView(nRow, 0);
			if (pSiblingView != NULL && pSiblingView != this)
			{
				m_nTopLine = pSiblingView->m_nTopLine;
				ASSERT(m_nTopLine >= 0 && m_nTopLine < GetLineCount());
			}
		}
	}

	// MiK: parse all to update collapsible blocks
	GetParseCookie(GetLineCount() - 1);
}


/////////////////////////////////////////////////////////////////////////////
// CCrystalTextView printing

void CCrystalTextView::OnPrepareDC(CDC* pDC, CPrintInfo* pInfo) 
{
	CView::OnPrepareDC(pDC, pInfo);

	if (pInfo != NULL)
	{
		pInfo->m_bContinuePrinting = TRUE;
		if (m_pnPages != NULL && (int) pInfo->m_nCurPage > m_nPrintPages)
			pInfo->m_bContinuePrinting = FALSE;
	}
}

BOOL CCrystalTextView::OnPreparePrinting(CPrintInfo* pInfo)
{
	return DoPreparePrinting(pInfo);
}

int CCrystalTextView::PrintLineHeight(CDC *pdc, int nLine)
{
	ASSERT(nLine >= 0 && nLine < GetLineCount());
	ASSERT(m_nPrintLineHeight > 0);
	int nLength = GetLineLength(nLine);
	if (nLength == 0)
		return m_nPrintLineHeight;

	CString line;
	LPCTSTR pszChars = GetLineChars(nLine);
	ExpandChars(pszChars, 0, nLength, line);
	CRect rcPrintArea = m_rcPrintArea;
	pdc->DrawText(line, &rcPrintArea, DT_LEFT | DT_NOPREFIX | DT_TOP | DT_WORDBREAK | DT_CALCRECT);
	return rcPrintArea.Height();
}

void CCrystalTextView::GetPrintHeaderText(int nPageNum, CString &text)
{
	ASSERT(m_bPrintHeader);
	text = _T("");
}

void CCrystalTextView::GetPrintFooterText(int nPageNum, CString &text)
{
	ASSERT(m_bPrintFooter);
	text.Format(_T("Page %d/%d"), nPageNum, m_nPrintPages);
}

void CCrystalTextView::PrintHeader(CDC *pdc, int nPageNum)
{
	CRect rcHeader = m_rcPrintArea;
	rcHeader.bottom = rcHeader.top;
	rcHeader.top -= (m_nPrintLineHeight + m_nPrintLineHeight / 2);

	CString text;
	GetPrintHeaderText(nPageNum, text);
	if (! text.IsEmpty())
		pdc->DrawText(text, &rcHeader, DT_CENTER | DT_NOPREFIX | DT_TOP | DT_SINGLELINE);
}

void CCrystalTextView::PrintFooter(CDC *pdc, int nPageNum)
{
	CRect rcFooter = m_rcPrintArea;
	rcFooter.top = rcFooter.bottom;
	rcFooter.bottom += (m_nPrintLineHeight + m_nPrintLineHeight / 2);

	CString text;
	GetPrintFooterText(nPageNum, text);
	if (! text.IsEmpty())
		pdc->DrawText(text, &rcFooter, DT_CENTER | DT_NOPREFIX | DT_BOTTOM | DT_SINGLELINE);
}

void CCrystalTextView::RecalcPageLayouts(CDC *pdc, CPrintInfo *pInfo)
{
	m_ptPageArea = pInfo->m_rectDraw;
	m_ptPageArea.NormalizeRect();

	m_nPrintLineHeight = pdc->GetTextExtent(_T("X")).cy;

	m_rcPrintArea = m_ptPageArea;
	CSize szTopLeft, szBottomRight;
	CWinApp *pApp = AfxGetApp();
	ASSERT(pApp != NULL);
	szTopLeft.cx = pApp->GetProfileInt(REG_PAGE_SUBKEY, REG_MARGIN_LEFT, DEFAULT_PRINT_MARGIN);
	szBottomRight.cx = pApp->GetProfileInt(REG_PAGE_SUBKEY, REG_MARGIN_RIGHT, DEFAULT_PRINT_MARGIN);
	szTopLeft.cy = pApp->GetProfileInt(REG_PAGE_SUBKEY, REG_MARGIN_TOP, DEFAULT_PRINT_MARGIN);
	szBottomRight.cy = pApp->GetProfileInt(REG_PAGE_SUBKEY, REG_MARGIN_BOTTOM, DEFAULT_PRINT_MARGIN);
	pdc->HIMETRICtoLP(&szTopLeft);
	pdc->HIMETRICtoLP(&szBottomRight);
	m_rcPrintArea.left += szTopLeft.cx;
	m_rcPrintArea.right -= szBottomRight.cx;
	m_rcPrintArea.top += szTopLeft.cy;
	m_rcPrintArea.bottom -= szBottomRight.cy;
	if (m_bPrintHeader)
		m_rcPrintArea.top += m_nPrintLineHeight + m_nPrintLineHeight / 2;
	if (m_bPrintFooter)
		m_rcPrintArea.bottom += m_nPrintLineHeight + m_nPrintLineHeight / 2;

	int nLimit = 32;
	m_nPrintPages = 1;
	m_pnPages = new int[nLimit];
	m_pnPages[0] = 0;

	int nLineCount = GetLineCount();
	int nLine = 1;
	int y = m_rcPrintArea.top + PrintLineHeight(pdc, 0);
	while (nLine < nLineCount)
	{
		int nHeight = PrintLineHeight(pdc, nLine);
		if (y + nHeight <= m_rcPrintArea.bottom)
		{
			y += nHeight;
		}
		else
		{
			ASSERT(nLimit >= m_nPrintPages);
			if (nLimit <= m_nPrintPages)
			{
				nLimit += 32;
				int *pnNewPages = new int[nLimit];
				memcpy(pnNewPages, m_pnPages, sizeof(int) * m_nPrintPages);
				delete m_pnPages;
				m_pnPages = pnNewPages;
			}
			ASSERT(nLimit > m_nPrintPages);
			m_pnPages[m_nPrintPages ++] = nLine;
			y = m_rcPrintArea.top + nHeight;
		}
		nLine ++;
	}
}

void CCrystalTextView::OnBeginPrinting(CDC *pdc, CPrintInfo *pInfo)
{
	ASSERT(m_pnPages == NULL);
	ASSERT(m_pPrintFont == NULL);
	CFont *pDisplayFont = GetFont();

	LOGFONT lf;
	pDisplayFont->GetLogFont(&lf);

	CDC *pDisplayDC = GetDC();
	lf.lfHeight = MulDiv(lf.lfHeight, pdc->GetDeviceCaps(LOGPIXELSY), pDisplayDC->GetDeviceCaps(LOGPIXELSY) * 2);
	lf.lfWidth = MulDiv(lf.lfWidth, pdc->GetDeviceCaps(LOGPIXELSX), pDisplayDC->GetDeviceCaps(LOGPIXELSX) * 2);
	ReleaseDC(pDisplayDC);

	m_pPrintFont = new CFont;
	if (! m_pPrintFont->CreateFontIndirect(&lf))
	{
		delete m_pPrintFont;
		m_pPrintFont = NULL;
		return;
	}

	pdc->SelectObject(m_pPrintFont);
}

void CCrystalTextView::OnEndPrinting(CDC *pdc, CPrintInfo *pInfo)
{
	if (m_pPrintFont != NULL)
	{
		delete m_pPrintFont;
		m_pPrintFont = NULL;
	}
	if (m_pnPages != NULL)
	{
		delete m_pnPages;
		m_pnPages = NULL;
	}
	m_nPrintPages = 0;
	m_nPrintLineHeight = 0;
}

void CCrystalTextView::OnPrint(CDC* pdc, CPrintInfo* pInfo) 
{
	if (m_pnPages == NULL)
	{
		RecalcPageLayouts(pdc, pInfo);
		ASSERT(m_pnPages != NULL);
	}

	ASSERT(pInfo->m_nCurPage >= 1 && (int) pInfo->m_nCurPage <= m_nPrintPages);
	int nLine = m_pnPages[pInfo->m_nCurPage - 1];
	int nEndLine = GetLineCount();
	if ((int) pInfo->m_nCurPage < m_nPrintPages)
		nEndLine = m_pnPages[pInfo->m_nCurPage];
	TRACE(_T("Printing page %d of %d, lines %d - %d\n"), pInfo->m_nCurPage, m_nPrintPages,
						nLine, nEndLine - 1);

	if (m_bPrintHeader)
		PrintHeader(pdc, pInfo->m_nCurPage);
	if (m_bPrintFooter)
		PrintFooter(pdc, pInfo->m_nCurPage);

	int y = m_rcPrintArea.top;
	for (; nLine < nEndLine; nLine ++)
	{
		int nLineLength = GetLineLength(nLine);
		if (nLineLength == 0)
		{
			y += m_nPrintLineHeight;
			continue;
		}

		CRect rcPrintRect = m_rcPrintArea;
		rcPrintRect.top = y;