NSTextView不会更新，除非我点击它，它不会重点。有任何想法吗？ [英] NSTextView wont update unless I click on it, and it wont focus. Any ideas?

问题描述

我没有时间这一秒，放一些示例代码，（明天编辑我的问题，添加一些），但基本上会发生什么，我有一个窗口。它通常工作正常，但如果我使用

  [myWindow setStyleMask：NSBorderlessWindowMask] 
  
 
 
 
使它无边界，它包含的NSTextView将停止获得焦点，即使当你点击它：环永远不会出现，光标不会改变，滚动条将保持灰色。
 
 
 
当我使它无边界时发生的其他事情是它不会更新！我基本上有这个
  [lyricsView setString：someString]; 
  
更新其中的字符串。控制台标记我没有错误，但字符串不会出现在文本视图中，除非我点击它。
 
 
 
如果我删除的行设置 styleMask 无边框。有任何想法吗？建议？注释？干杯？
 
 
 
谢谢！ 
 Kevin 
解决方案
从NSWindow的文档：
 
 
 
如果窗口有标题栏或调整大小栏，NSWindow实现返回YES。
 
 
 
此行
   - （BOOL）canBecomeKeyWindow 
 {
 return YES; 
} 
  
 
I dont have  time right this second to put some sample code, (Ill edit my question tomorrow and add some) but basically what happens is that I have a Window. It works fine usually, but if I use
 [myWindow setStyleMask:NSBorderlessWindowMask]
to make it borderless, the NSTextView it contains will stop gaining focus even when you click on it: the ring will never appear, the cursor wont change and the scroll bar will remain gray.

Something else that happens when I make it borderless is that it wont update! I basically have this
 [lyricsView setString:someString];
to update the string inside it. The Console marks me no errors, but the string wont appear in the Text View unless I click on it.

All of this stops happening if I remove the line setting the styleMask to Borderless. Any ideas? Suggestions? Comments? Cheers?

Thank You!
Kevin
解决方案
From the documentation of NSWindow:

The NSWindow implementation returns YES if the window has a title bar or a resize bar, or NO otherwise.

So subclass your window and add this line
   -(BOOL)canBecomeKeyWindow
   {
        return YES;
   }


                        
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