mimerichtextp.h

linux下的E_MAIL客户端源码

   Boolean		okToEndSelection;
   enum { SELECT_CHAR, SELECT_WORD, SELECT_LINE, SELECT_PAGE } selectType;
   TextPosC		baseSelectBegPos;
   TextPosC		baseSelectEndPos;
   Boolean		sendExcerpt;
   StringC		webCommand;	// Run when URL clicked

   static Atom		mimeRichAtom;
   static int		charClasses[256];

//
// Font structures
//
   StringC		defCharset;
   StringC		defPlainFontName;
   StringC		defFixedFontName;

   int			curCharset;
   PtrListC		charsetList;
   FontDataC		plainFont;
   FontDataC		fixedFont;

//
// Used for auto scrolling
//
   XMotionEvent	scrollEvent;		// Motion event that started scrolling
   XtIntervalId	scrollTimer;
   char		*vScrollAction;		// Auto scroll action
   char		*hScrollAction;		// Auto scroll action
   int		autoScrollInterval;

   TextPosC		nextPartPos;	// Used in GetNextPart
   Boolean		moreParts;

   CallbackListC	changeCalls;	// When text is modified by user

//
// Translations
//
   static XtActionsRec          actions[MIME_ACTION_COUNT];
   static XtTranslations	defaultTrans1;
   static XtTranslations	defaultTrans2;
   static XtTranslations	delRightTrans;
   static XtTranslations	delLeftTrans;
   static XtTranslations	emacsTrans;
   StringC			userTrans;
   Boolean			emacsMode;	// True if using emacsTrans
   Boolean			delLikeBs;	// True if delete goes left

//
// Used for when button clicked in link area
//
   CallbackListC	linkCalls;	// When link area is clicked

//
// Static methods
//
   static void		HandleAutoScroll (MimeRichTextP*, XtIntervalId*);
   static void		HandleExpose     (Widget, MimeRichTextP*,
				          XmDrawingAreaCallbackStruct*);
   static void		HandleFormResize (Widget, MimeRichTextP*, XEvent*,
   					  Boolean*);
   static void		HandleSWResize   (Widget, MimeRichTextP*, XEvent*,
					  Boolean*);
   static void		HandleFocusChange(Widget, MimeRichTextP*, XEvent*,
					  Boolean*);
   static void		HandleHScroll    (Widget, MimeRichTextP*,
				          XmScrollBarCallbackStruct*);
   static void		HandleVScroll    (Widget, MimeRichTextP*,
				          XmScrollBarCallbackStruct*);
   static void		CursorBlink      (MimeRichTextP*, XtIntervalId*);
   static void		ClickReset       (MimeRichTextP*, XtIntervalId*);
   static void		LoseSelection    (Widget, Atom*);
   static Boolean	SendSelection    (Widget, Atom*, Atom*, Atom*,
   					  XtPointer*, unsigned long*, int*);
   static void		ReceiveSelection (Widget, XtPointer, Atom*, Atom*,
   					  XtPointer, unsigned long*, int*);
   static void		ReceiveTargets   (Widget, XtPointer, Atom*, Atom*,
				          XtPointer, unsigned long*, int*);

//
// Action procs
//
   static void  ActMoveLeftChar   (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActMoveLeftWord   (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActMoveRightChar  (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActMoveRightWord  (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActMoveLineBeg    (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActMoveLineEnd    (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActMoveUpLine     (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActMoveUpPara     (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActMoveDownLine   (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActMoveDownPara   (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActMoveFileBeg    (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActMoveFileEnd    (Widget, XKeyEvent*, String*, Cardinal*);

   static void  ActDeleteLeftChar (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActDeleteLeftWord (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActDeleteRightChar(Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActDeleteRightWord(Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActDeleteLineBeg  (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActDeleteLineEnd  (Widget, XKeyEvent*, String*, Cardinal*);

#if 0
   static void  ActSingClick      (Widget, XButtonEvent*, String*, Cardinal*);
   static void  ActDoubClick      (Widget, XButtonEvent*, String*, Cardinal*);
   static void  ActTripClick      (Widget, XButtonEvent*, String*, Cardinal*);
   static void  ActQuadClick      (Widget, XButtonEvent*, String*, Cardinal*);
#endif

   static void  ActSelectMotion   (Widget, XMotionEvent*, String*, Cardinal*);
//   static void  HandleButton1Motion(Widget, MimeRichTextP*, XMotionEvent*,
//   				    Boolean*);

   static void  ActSelectBegin    (Widget, XButtonEvent*, String*, Cardinal*);
   static void  ActSelectEnd      (Widget, XButtonEvent*, String*, Cardinal*);
   static void  ActSelectExtend   (Widget, XEvent*,       String*, Cardinal*);
   static void  ActSelectLeftChar (Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActSelectLeftWord (Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActSelectRightChar(Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActSelectRightWord(Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActSelectLineBeg  (Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActSelectLineEnd  (Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActSelectUpLine   (Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActSelectUpPara   (Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActSelectDownLine (Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActSelectDownPara (Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActSelectFileBeg  (Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActSelectFileEnd  (Widget, XKeyEvent*,    String*, Cardinal*);

   static void  ActDeleteSelection(Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActCutSelection   (Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActCopySelection  (Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActPaste          (Widget, XEvent*,       String*, Cardinal*);
   static void  ActUndo           (Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActInsertSelf     (Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActRefresh        (Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActIgnore         (Widget, XKeyEvent*,    String*, Cardinal*);
   static void  ActPostMenu       (Widget, XButtonEvent*, String*, Cardinal*);

   static void  ActScrollUpLine   (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActScrollUpPage   (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActScrollDownLine (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActScrollDownPage (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActScrollTop      (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActScrollBottom   (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActLineToTop      (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActLineToCenter   (Widget, XKeyEvent*, String*, Cardinal*);
   static void  ActLineToBottom   (Widget, XKeyEvent*, String*, Cardinal*);

   static void	ActPlain          (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActBold           (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActItalic         (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActFixed          (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActSmaller        (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActBigger         (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActUnderline      (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActCenter         (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActFlushLeft      (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActFlushRight     (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActFlushBoth      (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActNoFill         (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActLeftMarginIn   (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActLeftMarginOut  (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActRightMarginIn  (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActRightMarginOut (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActExcerptMore    (Widget, XKeyEvent*, String*, Cardinal*);
   static void	ActExcerptLess    (Widget, XKeyEvent*, String*, Cardinal*);

   static void  ActFollowURL      (Widget, XButtonEvent*, String*, Cardinal*);
   static void  ActSearch         (Widget, XKeyEvent*,    String*, Cardinal*);

//
// Private methods
//
   Boolean		BeginningOfInputLine();
   Boolean		AddCharsetCommand(CharC, Boolean negate=False);
   Boolean		AddParamCommand(StringC&, StringC&);
   void			AddLine(TextLineC*, TextLineC*);
   void			ChangeFont(FontCmdT);
   void			ChangeCharset(CharC);
   void			ChangeColor(StringC);
   void			ChangeJust(JustCmdT);
   void			ChangeMargin(MarginCmdT);
   void			CheckPixmapSize();
   void			CompactLine(TextLineC*);
   void			CompactSelection();
   void			CopyText(StringC&, StringC&, TextTypeT, TextStateC*,
   				 int);
   FontDataC		*CurFont(const TextStateC&);
   XPoint		CursorLocation();
   void			DeleteCommand(const TextPosC&);
   void			DeleteLine(TextLineC*);
   void			DeleteText(const TextPosC&, int);
   void			DeleteRange(TextPosC&, TextPosC&);
   void			DeleteSelection();
   void			DrawCursor();
   void			DrawSelection();
   void			DrawSelectionRange(TextPosC*, TextPosC*);
   void			DrawLine(SoftLineC*, long *lastFont, Pixel *lastColor,
   				 Boolean clear=False);
   void			DrawLines(SoftLineC*, SoftLineC*);
   void			DrawScreen(RectC&);
   int			Distance(ScreenPosC&, ScreenPosC&);
   Boolean		FindPosPrevChar(TextPosC&, TextPosC*);
   Boolean		FindPosPrevWord(TextPosC&, TextPosC*);
   Boolean		FindPosPrevCmd (TextPosC&, TextPosC*);
   Boolean		FindPosNextChar(TextPosC&, TextPosC*);
   Boolean		FindPosNextWord(TextPosC&, TextPosC*);
   Boolean		FindPosNextCmd (TextPosC&, TextPosC*);
   Boolean		FindPosBegWord (TextPosC&, TextPosC*);
   Boolean		FindPosEndWord (TextPosC&, TextPosC*);
   Boolean		FindPosBegClass(TextPosC&, TextPosC*);
   Boolean		FindPosEndClass(TextPosC&, TextPosC*);
   int			FitText(char*, XFontStruct*, int);
   void			FlushTextBuf();
   void			FlushTextURL(CharC);
   void			FixPosAfterBreak(TextPosC*, const TextPosC&,
					      TextLineC*);
   void			FixPosAfterDelCmd(TextPosC*, const TextPosC&);
   void			FixPosAfterDelLine(TextPosC*, TextLineC*);
   void			FixPosAfterDelText(TextPosC*, const TextPosC&, int);
   void			FixPosAfterInsert(TextPosC*, const TextPosC&);
   void			FixPosAfterMergeCmds(TextPosC*, const TextPosC&,
					     const TextPosC&);
   void			FixPosAfterMergeLines(TextPosC*, TextLineC*,TextLineC*);
   void			FixPosAfterSplit(TextPosC*, const TextPosC&);
   void			FormatScreen();
   void			FormatLine(TextLineC*);
   SoftLineC		*FormatText(TextLineC*, SoftLineC*, int, TextStateC&,
				    int*, int*, int*, int*);
   SoftLineC		*FormatGraphic(TextLineC*, SoftLineC*, int, TextStateC&,
				       int*, int*, int*, int*);
   void			GetLineSize(SoftLineC*);
   void			GetLineText(TextPosC*, TextPosC*, StringC&, TextTypeT,
   				    int);
   void			GetLineText(TextLineC*, StringC&, TextTypeT, int);
   void			GetRangeData(TextPosC*, TextPosC*, StringC&, TextTypeT,
   				     Boolean closeState=True, int lineSize=0);
   void			GetSelectionData(StringC&, TextTypeT type=TT_PLAIN);
   void			GetStateCommands(TextStateC&, TextStateC&, StringC&,
   					 TextTypeT);
   void			GetStateCommands(TextPosC&, StringC&, TextTypeT);
   void			HideCursor();
   void			HideLineGraphics(SoftLineC*);
   void			InsertCommand(RichCmdTypeT, Boolean, const TextPosC&,
				      TextPosC*);
   void			InsertLineBreak(TextPosC, TextPosC*);
   void			InsertSavedLines(TextPosC);
   void			Justify(SoftLineC*);
   void			JustifyLines();
   void			LineChanged(TextLineC*, Boolean forcePlace=False);
   void			LinesChanged(TextLineC*, TextLineC*,
				     Boolean forcePlace=False);
   Boolean		LineFullyVisible(SoftLineC*);
   Boolean		LineVisible(SoftLineC*);
   int			MaxLineWidth();
   void			MergeCommands(TextPosC&, TextPosC&);
   void			MergeLines(TextLineC*, TextLineC*);
   void			MoveCommand(TextPosC&, TextLineC*,
				    int dstPos=NULL_CMD_POS);
   void			MoveLine(TextLineC*, TextLineC*);
   void			MoveLines(int, int, int);
   void			MoveText(const TextPosC&, int, TextLineC*,
   				 int dstPos=NULL_CMD_POS);
   void			NewInputLine();
   void			PasteText(Widget, XButtonEvent*, TextTypeT, CharC);
   RichDrawDataC	*PickData(SoftLineC*, int);
   RichGraphicC		*PickGraphic(int, int);
   SoftLineC		*PickLine(int);
   void			PlaceLines(TextLineC *startLine=NULL);
   void			RemoveLine(TextLineC*);
   void			RemoveLines(TextLineC*, TextLineC*);
   void			Reset();
   void			ResetLineList();
   Boolean		ScrollToCursor();
   Boolean		ScrollToPosition(ScreenPosC&);
   void			Search();
   void			SelectionChanged();
   Boolean		SetCharClassRange(int, int, int);
   void			SetLineIndex(TextLineC*, int);
   void			SetLinePosition(TextLineC*, int);
   void			SetNext(SoftLineC*, SoftLineC*);
   void			SetVisibleSize(Dimension, Dimension, Widget ref=NULL);
   void			ShowCursor();
   void			SplitCommand(const TextPosC&, TextPosC*);
   void			UpdateMotionSelection(int, int, Boolean);
   void			UpdateSelection(TextPosC&, TextPosC&);
   void			UpdateTranslations();

public:

   MimeRichTextP() {}
};

#endif // _MimeRichTextP_h_