PBCommitMessageView.m

//
//  PBCommitMessageView.m
//  GitX
//
//  Created by Jeff Mesnil on 13/10/08.
//  Copyright 2008 Jeff Mesnil (http://jmesnil.net/). All rights reserved.
//

#import "PBCommitMessageView.h"
#import "PBGitDefaults.h"

@implementation PBCommitMessageView

- (void)drawRect:(NSRect)aRect
{
	NSColor *originalColor = [self backgroundColor];
	[originalColor set];
	NSRectFill(aRect);

	// draw a vertical line after the given size (used as an indicator
	// for the first line of the commit message)
	float characterWidth = [@" " sizeWithAttributes:[self typingAttributes]].width;
	float lineWidth = characterWidth * [PBGitDefaults commitMessageViewVerticalLineLength];

    [[NSColor lightGrayColor] set];
	// This depends upon the fact that NSTextView always redraws complete lines.
	float padding = [[self textContainer] lineFragmentPadding];
	NSRect line;
	line.origin.x = padding + aRect.origin.x + lineWidth;
    line.origin.y = aRect.origin.y;
	line.size.width = 1;
	line.size.height = aRect.size.height;
	NSRectFill(line);

	[self setBackgroundColor:nil];
	[super drawRect:aRect];
	[self setBackgroundColor:originalColor];
}

@end