Added font preference. Removed rich text related menu items. Implemen…

…ted custom layout manager for edit pane to fix the issue with line height change when mixed font behavior of OS X is provoked. This is an common issue with NSLayoutManager when using foreign characters that are not included in the specified font.

EditPaneLayoutManager.h

@@ -0,0 +1,20 @@
+//
+//  TCLayoutManager.h
+//  MarkdownLive
+//
+//  Created by Akihiro Noguchi on 7/05/11.
+//  Copyright 2011 Aki. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+
+@interface EditPaneLayoutManager : NSLayoutManager {
+	NSFont *font;
+}
+
+@property (nonatomic, retain) NSFont *font;
+
+- (CGFloat)lineHeight;
+
+@end

EditPaneLayoutManager.m

@@ -0,0 +1,59 @@
+//
+//  TCLayoutManager.m
+//  MarkdownLive
+//
+//  Created by Akihiro Noguchi on 7/05/11.
+//  Copyright 2011 Aki. All rights reserved.
+//
+
+#import "EditPaneLayoutManager.h"
+#import "EditPaneTypesetter.h"
+
+
+@implementation EditPaneLayoutManager
+
+@synthesize font;
+
+- (id)init {
+	if ((self = [super init])) {
+		EditPaneTypesetter *typeSetter = [[EditPaneTypesetter alloc] init];
+		[self setTypesetter:typeSetter];
+		[typeSetter release];
+		[self setUsesFontLeading:NO];
+	}
+	return self;
+}
+
+- (void)dealloc {
+	self.font = nil;
+	[super dealloc];
+}
+
+- (CGFloat)lineHeight {
+	return floor([self defaultLineHeightForFont:font] + 1.5);
+}
+
+- (void)setLineFragmentRect:(NSRect)inFragmentRect forGlyphRange:(NSRange)inGlyphRange
+				   usedRect:(NSRect)inUsedRect {
+	inFragmentRect.size.height = [self lineHeight];
+	inUsedRect.size.height = [self lineHeight];
+
+	(void)[super setLineFragmentRect:(NSRect)inFragmentRect
+					   forGlyphRange:(NSRange)inGlyphRange
+							usedRect:(NSRect)inUsedRect];
+}
+
+- (void)setExtraLineFragmentRect:(NSRect)inFragmentRect usedRect:(NSRect)inUsedRect
+				   textContainer:(NSTextContainer *)inTextContainer {
+	inFragmentRect.size.height = [self lineHeight];
+	[super setExtraLineFragmentRect:inFragmentRect usedRect:inUsedRect
+					  textContainer:inTextContainer];
+}
+
+- (NSPoint)locationForGlyphAtIndex:(NSUInteger)inGlyphIndex {
+	NSPoint outPoint = [super locationForGlyphAtIndex:inGlyphIndex];
+	outPoint.y = [font pointSize];
+	return outPoint;
+}
+
+@end

EditPaneTypesetter.h

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+//
+//  TCTypeSetter.h
+//  MarkdownLive
+//
+//  Created by Akihiro Noguchi on 7/05/11.
+//  Copyright 2011 Aki. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+
+@interface EditPaneTypesetter : NSATSTypesetter {
+
+}
+
+@end

EditPaneTypesetter.m

@@ -0,0 +1,29 @@
+//
+//  TCTypeSetter.m
+//  MarkdownLive
+//
+//  Created by Akihiro Noguchi on 7/05/11.
+//  Copyright 2011 Aki. All rights reserved.
+//
+
+#import "EditPaneTypesetter.h"
+#import "EditPaneLayoutManager.h"
+
+
+@implementation EditPaneTypesetter
+
+- (id)init {
+	if ((self = [super init])) {
+		[self setUsesFontLeading:YES];
+	}
+	return self;
+}
+
+- (CGFloat)lineSpacingAfterGlyphAtIndex:(NSUInteger)inGlyphIndex
+		   withProposedLineFragmentRect:(NSRect)inRect {
+	EditPaneLayoutManager *theManager = (EditPaneLayoutManager *)[self layoutManager];
+	CGFloat theDefaultLineHeight = [theManager defaultLineHeightForFont:theManager.font];
+	return floor(theDefaultLineHeight - inRect.size.height + 1.5);
+}
+
+@end