NSButton文本颜色设置和Action两种状态行为

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//获取文本颜色：

- (NSColor *)textColor

{

    NSAttributedString *attrTitle = [self attributedTitle];

    int len = [attrTitle length];

    NSRange range = NSMakeRange(0, MIN(len, 1)); // get the font attributes from the first character

    NSDictionary *attrs = [attrTitle fontAttributesInRange:range];

    NSColor *textColor = [NSColor controlTextColor];

    if (attrs)

    {

        textColor = [attrs objectForKey:NSForegroundColorAttributeName];

    }

    return textColor;

}

//设置文本颜色

- (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];

}

//一个button两种状态行为：

- (IBAction)pressSpaceKey:(id)sender {

    NSLog(@" go to record");

    // 需要给这个按钮增加一个事件，让它与keyDown/keyUp 关联,按住按钮时一直录音，松开按钮时录音结束。

    NSButton * btn = (NSButton *)sender;

    if ([btn tag] == 100) {

        btn.tag = 101;

     //添加动作代码

        [btn setTitle:@"停止录音"];

    }else if ([btn tag] == 101){

        btn.tag = 100;

    //添加另外一种状态的动作代码

        [btn setTitle:@"开始录音"];

    }

}

//单选框

IBOutlet NSMatrix *popoverType;

NSButton文本颜色设置和Action两种状态行为

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原文地址：http://www.cnblogs.com/PJXWang/p/4921507.html