设置buuton等View的字体颜色
#import <Cocoa/Cocoa.h>@interface NSButton (TextColor)- (NSColor *)textColor;- (void)setTextColor:(NSColor *)textColor;@end#import "NSButton+TextColor.h"@implementation NSButton (TextColor)- (NSColor *)textColor{ NSAttributedString *attrTitle = [self attributedTitle]; int len = [attrTitle length]; NSRange range = NSMakeRange(0, MIN(len, 1)); // take color from first char NSDictionary *attrs = [attrTitle fontAttributesInRange:range]; NSColor *textColor = [NSColor controlTextColor]; if (attrs) { textColor = [attrs objectForKey:NSForegroundColorAttributeName]; } return textColor;}- (void)setTextColor:(NSColor *)textColor{ NSMutableAttributedString *attrTitle = [[NSMutableAttributedString alloc] initWithAttributedString:[self attributedTitle]]; int len = [attrTitle length]; NSRange range = NSMakeRange(0, len); [attrTitle addAttribute:NSForegroundColorAttributeName value:textColor range:range]; [attrTitle fixAttributesInRange:range]; [self setAttributedTitle:attrTitle]; [attrTitle release];}@end?