source: trunk/Cocoa/F-Script Anywhere/Source/NJRScrollView.m@ 153

Last change on this file since 153 was 153, checked in by Nicholas Riley, 18 years ago

Integrates SCPatch and mach_inject; unfinished, buggy.

File size: 1.3 KB
Line 
1//
2// NJRScrollView.m
3// HostLauncher
4//
5// Created by nicholas on Tue Oct 30 2001.
6// Copyright (c) 2001 Nicholas Riley. All rights reserved.
7//
8
9#import "NJRScrollView.h"
10
11#ifndef NSAppKitVersionNumber10_2
12#define NSAppKitVersionNumber10_2 663
13#endif
14
15@implementation NJRScrollView
16
17- (BOOL)needsDisplay;
18{
19 // Mac OS X 10.3 and later have support for external focus rings
20 if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_2)
21 return [super needsDisplay];
22 NSResponder *resp = nil;
23 if ([[self window] isKeyWindow]) {
24 resp = [[self window] firstResponder];
25 if (resp == lastResp) return [super needsDisplay];
26 } else if (lastResp == nil) {
27 return [super needsDisplay];
28 }
29 shouldDrawFocusRing = (resp != nil && [resp isKindOfClass: [NSView class]] &&
30 [(NSView *)resp isDescendantOf: self]); // [sic]
31 lastResp = resp;
32 [self setKeyboardFocusRingNeedsDisplayInRect: [self bounds]];
33 return YES;
34}
35
36- (void)drawRect:(NSRect)rect {
37 [super drawRect: rect];
38 // Mac OS X 10.3 and later have support for external focus rings
39 if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_2)
40 return;
41 if (shouldDrawFocusRing) {
42 NSSetFocusRingStyle(NSFocusRingOnly);
43 NSRectFill([self bounds]);
44 }
45}
46
47@end
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