?? ccrystaltextview.h
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////////////////////////////////////////////////////////////////////////////
// File: CCrystalTextView.h
// Version: 1.0.0.0
// Created: 29-Dec-1998
//
// Author: Stcherbatchenko Andrei
// E-mail: windfall@gmx.de
//
// Interface of the CCrystalTextView class, a part of Crystal Edit -
// syntax coloring text editor.
//
// You are free to use or modify this code to the following restrictions:
// - Acknowledge me somewhere in your about box, simple "Parts of code by.."
// will be enough. If you can't (or don't want to), contact me personally.
// - LEAVE THIS HEADER INTACT
////////////////////////////////////////////////////////////////////////////
#if !defined(AFX_CCRYSTALTEXTVIEW_H__AD7F2F41_6CB3_11D2_8C32_0080ADB86836__INCLUDED_)
#define AFX_CCRYSTALTEXTVIEW_H__AD7F2F41_6CB3_11D2_8C32_0080ADB86836__INCLUDED_
#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000
#include "cedefs.h"
////////////////////////////////////////////////////////////////////////////
// Forward class declarations
class CCrystalTextBuffer;
class CUpdateContext;
////////////////////////////////////////////////////////////////////////////
// CCrystalTextView class declaration
// CCrystalTextView::FindText() flags
enum
{
FIND_MATCH_CASE = 0x0001,
FIND_WHOLE_WORD = 0x0002,
FIND_DIRECTION_UP = 0x0010,
REPLACE_SELECTION = 0x0100
};
// CCrystalTextView::UpdateView() flags
enum
{
UPDATE_HORZRANGE = 0x0001, // update horz scrollbar
UPDATE_VERTRANGE = 0x0002, // update vert scrollbar
UPDATE_SINGLELINE = 0x0100, // single line has changed
UPDATE_FLAGSONLY = 0x0200, // only line-flags were changed
UPDATE_RESET = 0x1000 // document was reloaded, update all!
};
class CRYSEDIT_CLASS_DECL CCrystalTextView : public CView
{
DECLARE_DYNCREATE(CCrystalTextView)
private:
// Search parameters
BOOL m_bLastSearch;
DWORD m_dwLastSearchFlags;
LPTSTR m_pszLastFindWhat;
BOOL m_bMultipleSearch; // More search
BOOL m_bCursorHidden;
// Painting caching bitmap
CBitmap *m_pCacheBitmap;
// Line/character dimensions
int m_nLineHeight, m_nCharWidth;
void CalcLineCharDim();
// Text attributes
int m_nTabSize;
BOOL m_bViewTabs;
BOOL m_bSelMargin;
// Amount of lines/characters that completely fits the client area
int m_nScreenLines, m_nScreenChars;
int m_nMaxLineLength;
int m_nIdealCharPos;
BOOL m_bFocused;
CPoint m_ptAnchor;
LOGFONT m_lfBaseFont;
CFont *m_apFonts[4];
// Parsing stuff
DWORD *m_pdwParseCookies;
int m_nParseArraySize;
DWORD GetParseCookie(int nLineIndex);
// Pre-calculated line lengths (in characters)
int m_nActualLengthArraySize;
int *m_pnActualLineLength;
BOOL m_bPreparingToDrag;
BOOL m_bDraggingText;
BOOL m_bDragSelection, m_bWordSelection, m_bLineSelection;
UINT m_nDragSelTimer;
CPoint WordToRight(CPoint pt);
CPoint WordToLeft(CPoint pt);
CPoint m_ptDrawSelStart, m_ptDrawSelEnd;
CPoint m_ptCursorPos;
CPoint m_ptSelStart, m_ptSelEnd;
void PrepareSelBounds();
// Helper functions
void ExpandChars(LPCTSTR pszChars, int nOffset, int nCount, CString &line);
int ApproxActualOffset(int nLineIndex, int nOffset);
void AdjustTextPoint(CPoint &point);
void DrawLineHelperImpl(CDC *pdc, CPoint &ptOrigin, const CRect &rcClip,
LPCTSTR pszChars, int nOffset, int nCount);
BOOL IsInsideSelBlock(CPoint ptTextPos);
BOOL m_bBookmarkExist; // More bookmarks
protected:
CImageList *m_pIcons;
CCrystalTextBuffer *m_pTextBuffer;
HACCEL m_hAccel;
BOOL m_bVertScrollBarLocked, m_bHorzScrollBarLocked;
CPoint m_ptDraggedTextBegin, m_ptDraggedTextEnd;
virtual void ResetView();
void UpdateCaret();
void SetAnchor(const CPoint &ptNewAnchor);
int GetMarginWidth();
BOOL m_bShowInactiveSelection;
// [JRT]
BOOL m_bDisableDragAndDrop;
CPoint ClientToText(const CPoint &point);
CPoint TextToClient(const CPoint &point);
void InvalidateLines(int nLine1, int nLine2, BOOL bInvalidateMargin = FALSE);
int CalculateActualOffset(int nLineIndex, int nCharIndex);
// Printing
int m_nPrintPages;
int *m_pnPages;
CFont *m_pPrintFont;
int m_nPrintLineHeight;
BOOL m_bPrintHeader, m_bPrintFooter;
CRect m_ptPageArea, m_rcPrintArea;
int PrintLineHeight(CDC *pdc, int nLine);
void RecalcPageLayouts(CDC *pdc, CPrintInfo *pInfo);
virtual void PrintHeader(CDC *pdc, int nPageNum);
virtual void PrintFooter(CDC *pdc, int nPageNum);
virtual void GetPrintHeaderText(int nPageNum, CString &text);
virtual void GetPrintFooterText(int nPageNum, CString &text);
// Keyboard handlers
void MoveLeft(BOOL bSelect);
void MoveRight(BOOL bSelect);
void MoveWordLeft(BOOL bSelect);
void MoveWordRight(BOOL bSelect);
void MoveUp(BOOL bSelect);
void MoveDown(BOOL bSelect);
void MoveHome(BOOL bSelect);
void MoveEnd(BOOL bSelect);
void MovePgUp(BOOL bSelect);
void MovePgDn(BOOL bSelect);
void MoveCtrlHome(BOOL bSelect);
void MoveCtrlEnd(BOOL bSelect);
void SelectAll();
void Copy();
BOOL IsSelection();
BOOL IsInsideSelection(const CPoint &ptTextPos);
void GetSelection(CPoint &ptStart, CPoint &ptEnd);
void SetSelection(const CPoint &ptStart, const CPoint &ptEnd);
int m_nTopLine, m_nOffsetChar;
BOOL m_bSmoothScroll;
int GetLineHeight();
int GetCharWidth();
int GetMaxLineLength();
int GetScreenLines();
int GetScreenChars();
CFont *GetFont(BOOL bItalic = FALSE, BOOL bBold = FALSE);
void RecalcVertScrollBar(BOOL bPositionOnly = FALSE);
void RecalcHorzScrollBar(BOOL bPositionOnly = FALSE);
// Scrolling helpers
void ScrollToChar(int nNewOffsetChar, BOOL bNoSmoothScroll = FALSE, BOOL bTrackScrollBar = TRUE);
void ScrollToLine(int nNewTopLine, BOOL bNoSmoothScroll = FALSE, BOOL bTrackScrollBar = TRUE);
// Splitter support
virtual void UpdateSiblingScrollPos(BOOL bHorz);
virtual void OnUpdateSibling(CCrystalTextView *pUpdateSource, BOOL bHorz);
CCrystalTextView *GetSiblingView(int nRow, int nCol);
virtual int GetLineCount();
virtual int GetLineLength(int nLineIndex);
virtual int GetLineActualLength(int nLineIndex);
virtual LPCTSTR GetLineChars(int nLineIndex);
virtual DWORD GetLineFlags(int nLineIndex);
virtual void GetText(const CPoint &ptStart, const CPoint &ptEnd, CString &text);
// Clipboard overridable
virtual BOOL TextInClipboard();
virtual BOOL PutToClipboard(LPCTSTR pszText);
virtual BOOL GetFromClipboard(CString &text);
// Drag-n-drop overrideable
virtual HGLOBAL PrepareDragData();
virtual DROPEFFECT GetDropEffect();
virtual void OnDropSource(DROPEFFECT de);
BOOL IsDraggingText() const;
virtual COLORREF GetColor(int nColorIndex);
virtual void GetLineColors(int nLineIndex, COLORREF &crBkgnd,
COLORREF &crText, BOOL &bDrawWhitespace);
virtual BOOL GetItalic(int nColorIndex);
virtual BOOL GetBold(int nColorIndex);
void DrawLineHelper(CDC *pdc, CPoint &ptOrigin, const CRect &rcClip, int nColorIndex,
LPCTSTR pszChars, int nOffset, int nCount, CPoint ptTextPos);
virtual void DrawSingleLine(CDC *pdc, const CRect &rect, int nLineIndex);
virtual void DrawMargin(CDC *pdc, const CRect &rect, int nLineIndex);
// Syntax coloring overrides
struct TEXTBLOCK
{
int m_nCharPos;
int m_nColorIndex;
};
virtual DWORD ParseLine(DWORD dwCookie, int nLineIndex, TEXTBLOCK *pBuf, int &nActualItems);
virtual HINSTANCE GetResourceHandle();
// Attributes
public:
BOOL GetViewTabs();
void SetViewTabs(BOOL bViewTabs);
int GetTabSize();
void SetTabSize(int nTabSize);
BOOL GetSelectionMargin();
void SetSelectionMargin(BOOL bSelMargin);
void GetFont(LOGFONT &lf);
void SetFont(const LOGFONT &lf);
BOOL GetSmoothScroll() const;
void SetSmoothScroll(BOOL bSmoothScroll);
// [JRT]:
BOOL GetDisableDragAndDrop() const;
void SetDisableDragAndDrop(BOOL bDDAD);
// Default handle to resources
static HINSTANCE s_hResourceInst;
enum
{
// Base colors
COLORINDEX_WHITESPACE,
COLORINDEX_BKGND,
COLORINDEX_NORMALTEXT,
COLORINDEX_SELMARGIN,
COLORINDEX_SELBKGND,
COLORINDEX_SELTEXT,
// Syntax colors
COLORINDEX_KEYWORD,
COLORINDEX_COMMENT,
COLORINDEX_NUMBER,
COLORINDEX_OPERATOR, // [JRT]:
COLORINDEX_STRING,
COLORINDEX_PREPROCESSOR,
// Compiler/debugger colors
COLORINDEX_ERRORBKGND,
COLORINDEX_ERRORTEXT,
COLORINDEX_EXECUTIONBKGND,
COLORINDEX_EXECUTIONTEXT,
COLORINDEX_BREAKPOINTBKGND,
COLORINDEX_BREAKPOINTTEXT
// ...
// Expandable: custom elements are allowed.
};
// Operations
public:
void AttachToBuffer(CCrystalTextBuffer *pBuf = NULL);
void DetachFromBuffer();
// Buffer-view interaction, multiple views
virtual CCrystalTextBuffer *LocateTextBuffer();
virtual void UpdateView(CCrystalTextView *pSource, CUpdateContext *pContext, DWORD dwFlags, int nLineIndex = -1);
// Attributes
CPoint GetCursorPos();
void SetCursorPos(const CPoint &ptCursorPos);
void ShowCursor();
void HideCursor();
// Operations
void EnsureVisible(CPoint pt);
// Text search helpers
BOOL FindText(LPCTSTR pszText, const CPoint &ptStartPos, DWORD dwFlags, BOOL bWrapSearch, CPoint *pptFoundPos);
BOOL FindTextInBlock(LPCTSTR pszText, const CPoint &ptStartPos, const CPoint &ptBlockBegin, const CPoint &ptBlockEnd,
DWORD dwFlags, BOOL bWrapSearch, CPoint *pptFoundPos);
BOOL HighlightText(const CPoint &ptStartPos, int nLength);
// Overridable: an opportunity for Auto-Indent, Smart-Indent etc.
virtual void OnEditOperation(int nAction, LPCTSTR pszText);
// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CCrystalTextView)
public:
virtual void OnDraw(CDC* pDC); // overridden to draw this view
virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
virtual BOOL PreTranslateMessage(MSG* pMsg);
virtual void OnPrepareDC(CDC* pDC, CPrintInfo* pInfo = NULL);
protected:
virtual void OnInitialUpdate(); // called first time after construct
virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
virtual void OnPrint(CDC* pDC, CPrintInfo* pInfo);
//}}AFX_VIRTUAL
// Implementation
public:
CCrystalTextView();
~CCrystalTextView();
protected:
// Generated message map functions
protected:
#ifdef _DEBUG
void AssertValidTextPos(const CPoint &pt);
#endif
//{{AFX_MSG(CCrystalTextView)
afx_msg void OnDestroy();
afx_msg BOOL OnEraseBkgnd(CDC* pDC);
afx_msg void OnSize(UINT nType, int cx, int cy);
afx_msg void OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
afx_msg void OnSetFocus(CWnd* pOldWnd);
afx_msg void OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
afx_msg void OnMouseMove(UINT nFlags, CPoint point);
afx_msg void OnTimer(UINT nIDEvent);
afx_msg void OnKillFocus(CWnd* pNewWnd);
afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
afx_msg void OnEditCopy();
afx_msg void OnUpdateEditCopy(CCmdUI* pCmdUI);
afx_msg void OnEditSelectAll();
afx_msg void OnUpdateEditSelectAll(CCmdUI* pCmdUI);
afx_msg void OnRButtonDown(UINT nFlags, CPoint point);
afx_msg void OnSysColorChange();
afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
afx_msg void OnEditFind();
afx_msg void OnEditRepeat();
afx_msg void OnUpdateEditRepeat(CCmdUI* pCmdUI);
afx_msg void OnEditFindPrevious(); // More search
afx_msg void OnUpdateEditFindPrevious(CCmdUI* pCmdUI);
//}}AFX_MSG
afx_msg void OnFilePageSetup();
afx_msg void OnCharLeft();
afx_msg void OnExtCharLeft();
afx_msg void OnCharRight();
afx_msg void OnExtCharRight();
afx_msg void OnWordLeft();
afx_msg void OnExtWordLeft();
afx_msg void OnWordRight();
afx_msg void OnExtWordRight();
afx_msg void OnLineUp();
afx_msg void OnExtLineUp();
afx_msg void OnLineDown();
afx_msg void OnExtLineDown();
afx_msg void OnPageUp();
afx_msg void OnExtPageUp();
afx_msg void OnPageDown();
afx_msg void OnExtPageDown();
afx_msg void OnLineEnd();
afx_msg void OnExtLineEnd();
afx_msg void OnHome();
afx_msg void OnExtHome();
afx_msg void OnTextBegin();
afx_msg void OnExtTextBegin();
afx_msg void OnTextEnd();
afx_msg void OnExtTextEnd();
afx_msg void OnUpdateIndicatorCRLF(CCmdUI* pCmdUI);
afx_msg void OnUpdateIndicatorPosition(CCmdUI* pCmdUI);
afx_msg void OnToggleBookmark(UINT nCmdID);
afx_msg void OnGoBookmark(UINT nCmdID);
afx_msg void OnClearBookmarks();
afx_msg void OnToggleBookmark(); // More bookmarks
afx_msg void OnClearAllBookmarks();
afx_msg void OnNextBookmark();
afx_msg void OnPrevBookmark();
afx_msg void OnUpdateClearAllBookmarks(CCmdUI* pCmdUI);
afx_msg void OnUpdateNextBookmark(CCmdUI* pCmdUI);
afx_msg void OnUpdatePrevBookmark(CCmdUI* pCmdUI);
afx_msg void ScrollUp();
afx_msg void ScrollDown();
afx_msg void ScrollLeft();
afx_msg void ScrollRight();
DECLARE_MESSAGE_MAP()
};
#ifdef _DEBUG
#define ASSERT_VALIDTEXTPOS(pt) AssertValidTextPos(pt);
#else
#define ASSERT_VALIDTEXTPOS(pt)
#endif
#if ! (defined(CE_FROM_DLL) || defined(CE_DLL_BUILD))
#include "CCrystalTextView.inl"
#endif
/////////////////////////////////////////////////////////////////////////////
//{{AFX_INSERT_LOCATION}}
// Microsoft Developer Studio will insert additional declarations immediately before the previous line.
#endif // !defined(AFX_CCRYSTALTEXTVIEW_H__AD7F2F41_6CB3_11D2_8C32_0080ADB86836__INCLUDED_)
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