MNLineNumberingRulerView.h

//
//  MNLineNumberingRulerView.h
//  
//
//  Created by Masatoshi Nishikata on 29/10/05.
//  Copyright 2005 Masatoshi Nishikata. All rights reserved.
//	http://homepage.mac.com/mnishikata/iblog/

//ORIGINAL
//
//  MyTextView.m
//  LineNumbering
//
//  Created by Koen van der Drift on Sat May 01 2004.
//  Copyright (c) 2004 Koen van der Drift. All rights reserved.
//


#import <Cocoa/Cocoa.h>

@class MNLineNumberingTextStorage;

extern const int MNNoLineNumbering;
extern const int MNParagraphNumber;
extern const int MNCharacterNumber;
extern const int MNLineNumber;
extern const int MNDrawBookmarks;



@interface MNLineNumberingRulerView : NSRulerView {
	
	//nib outlets
	IBOutlet id dialogueView;
    IBOutlet id radioButtons;
    IBOutlet id textField;

	
	NSTextView*			textView;
	NSLayoutManager*	layoutManager;
	
	NSImage*			markerImage;
	
	int						rulerOption;
	
	NSMutableDictionary*	marginAttributes;	
	
	BOOL					markerDeleteReservationFlag;
	
}

-(void)startSheet;
// Start 'Jump To...' sheet.

-(BOOL)showParagraph:(unsigned)paragraphNum;

-(BOOL)showLine:(unsigned)lineNum;

-(BOOL)showCharacter:(unsigned)charIndex granularity:(NSSelectionGranularity)granularity;
	// show line in document text view
	// Granularity is one of NSSelectByCharacter, NSSelectByWord, NSSelectByParagraph, or -1(select by line)

-(void)setVisible:(BOOL)flag;
-(BOOL)isVisible;
// Set and Return Ruler View visiblity.


-(void)setOption:(unsigned)option;
// option is 
/*
	extern const int MNNoLineNumbering;
	extern const int MNParagraphNumber;
	extern const int MNCharacterNumber;
	extern const int MNLineNumber;
	extern const int MNDrawBookmarks;
*/





////// private


-(IBAction)jumpButtonClicked:(id)sender;
-(unsigned)lineNumberAtIndex:(unsigned)charIndex;
-(unsigned)charIndexOfLineNumber:(unsigned)lineNumber;

-(void)drawEmptyMargin;
-(void) drawParagraphNumbersInMargin;
-(void) drawNumbersInMargin;
-(void)drawOneNumberInMargin:(unsigned) aNumber inRect:(NSRect)r ;
-(void)drawMarkerInRect:(NSRect)lineRect;

-(unsigned)characterIndexAtLocation:(float)pos;
-(NSRulerMarker*)newMarker;




@end