我应该使用哪种委托方法来响应 NSTextField 上的点击? [英] Which delegate method should I use to respond to clicks on an NSTextField?

问题描述

我正在尝试响应 textfield 中的 click.当点击发生时，我将打开一个面板.我最初的想法是使用 delegate 方法来响应 click 事件 - 但我发现:

I am trying to respond to a click within a textfield. When the click occurs, I am going to open a panel. My initial thought was to use a delegate method to respond to the click event - but I found that:

此方法无效:

(void)textDidBeginEditing:(NSNotification *)aNotification

此方法确实有效，但仅当我实际编辑文本字段中的文本时，而不是当我第一次单击它时.而且 - 如果我再次编辑文本，此方法将停止工作:

This method does work, but only when I actually edit the text within the text field, not when I first click it. And - if I edit the text a second time, this method stops working:

(void)controlTextDidBeginEditing:(NSNotification *)aNotification

<小时>

我可以使用尽可能多的细节 - 或者一个代码示例，理想情况下.我知道 nstextfield 继承自 NSControl，它有一个 mouseDown 事件.是否也有类似的方法来使用 textfield 响应事件?

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I could use as much detail as possible - or a code example, ideally. I know that an nstextfield inherits from NSControl, which has a mouseDown event. Is there a similar way to respond to the event with a textfield, also?

推荐答案

由于 NSTextField 继承自 NSControl 类，所以它也继承了 -(void)mouseDown:(NSEvent*) theEvent 方法.

Since NSTextField inherits from the NSControl class, it also inherits the -(void)mouseDown:(NSEvent*) theEvent method.

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