可可灰色消息覆盖 [英] Cocoa Grey Message Overlay

问题描述

Mac OS X上的各种应用程序以灰色，透明，圆角的框叠加显示消息，以通知用户某事;例如Xcode中的Build Succeeded消息，Lion在线搜索栏中的循环搜索消息和Chrome的退出前警告消息。

Various applications on Mac OS X display messages in a grey, transparent, rounded box overlay to notify the user of something; for example the "Build Succeeded" message in Xcode, the looped search message in the Lion inline-search bar and Chrome's "Warn Before Quitting" message.

消息框我在描述： http：/ /2.bp.blogspot.com/-eG890NRhQbs/Ty0vLkqpBWI/AAAAAAAAAMs/PO2EbJ3lTs0/s1600/Xcode-11.png

因为他们都很在格式化中类似，假设存在用于显示类似消息的某种标准函数是有意义的。如何在我自己的Cocoa应用程序中有这样的效果？

As they're all very similar in formatting, it makes sense to assume there are some sort of standard functions for displaying a similar message. How can I have such an effect in my own Cocoa application?

推荐答案

没有公共系统API。

There isn't a public system API to do them.

您可以看看Matt Gemmell的版本：向下滚动到此页面。

You could have a look at Matt Gemmell's version: scroll down to RoundedFloatingPanel on this page.

或者，如果您想对其他人使用Google，则通常称为Bezels。绘制系统的私有框架是BezelServices。

Alternatively, if you want to Google for others, they're often known as Bezels. The private framework that draws the system ones is BezelServices.

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