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/*Copyright (c) 2010, Zachary Schneirov. All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted
provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice, this list of conditions
and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice, this list of
conditions and the following disclaimer in the documentation and/or other materials provided with
the distribution.
- Neither the name of Notational Velocity nor the names of its contributors may be used to endorse
or promote products derived from this software without specific prior written permission. */
#import "FocusRingScrollView.h"
#import "GlobalPrefs.h"
#import "BodyScroller.h"
#import "LinkingEditor.h"
@implementation FocusRingScrollView
- (id)init {
if ([super init]) {
hasFocus = NO;
return self;
- (id) initWithCoder: (NSCoder *) decoder
BOOL useSetClass = NO;
BOOL useDecodeClassName = NO;
if ([decoder respondsToSelector: @selector(setClass:forClassName:)] ) {
useSetClass = YES;
[(NSKeyedUnarchiver *)decoder setClass:[BodyScroller class] forClassName: @"NSScroller"];
} else if ( [decoder respondsToSelector: @selector(decodeClassName:asClassName:)] ) {
useDecodeClassName = YES;
[(NSUnarchiver *) decoder decodeClassName: @"NSScroller" asClassName: @"BodyScroller"];
self = [super initWithCoder:decoder];
if (useSetClass) {
[(NSKeyedUnarchiver *) decoder setClass: [NSScroller class] forClassName: @"NSScroller"];
} else if ( useDecodeClassName ) {
[(NSUnarchiver *) decoder decodeClassName: @"NSScroller" asClassName: @"NSScroller"];
return self;
- (void)awakeFromNib {
window = [self window];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(windowChangedKeyNotification:)
name:NSWindowDidBecomeKeyNotification object:window];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(windowChangedKeyNotification:)
name:NSWindowDidResignKeyNotification object:window];
- (void)dealloc {
[[NSNotificationCenter defaultCenter] removeObserver:self];
[super dealloc];
- (void)windowChangedKeyNotification:(NSNotification*)aNote {
[self setKeyboardFocusRingNeedsDisplayInRect:[self bounds]];
- (void)setHasFocus:(BOOL)value {
hasFocus = [[GlobalPrefs defaultPrefs] drawFocusRing] ? value : NO;
[self setKeyboardFocusRingNeedsDisplayInRect:[self bounds]];
//[self setNeedsDisplay:YES];
- (void)drawRect:(NSRect)rect {
[super drawRect:rect];
if (hasFocus && [window isKeyWindow]) {