Xcode 11 不会打开新的编辑器窗格 [英] Xcode 11 Won't Open New Editor Pane

问题描述

So Xcode 11 changed the way editor panes are added and removed. Ok, fine, I got used to it soon enough. But a few days after using the Xcode 11 GM build, the option to add an editor is suddenly disabled.

Could be a bug, could be a 'feature' that I've inadvertently triggered. Neither the menu, toolbar button nor shortcut (^⌘T) will give me another editor (though they all did with the same build yesterday).

Any ideas?

(Note: this screenshot has the Navigator pane hidden for simplicity. Its presence/absence doesn't help with this issue)

解决方案

Ok, this is embarrassing. I was in a 'focus' mode and could only add editors after I had 'hidden focus'. There are a few ways to do this:

• View > Editor > Hide Focus
• Tap the 'arrows pointing at each other' icon in the top left of the editor toolbar
• ^⇧⌘↩︎

ps. I was seriously tempted to delete my question when I realised how dumb I'd been, but I'm leaving it up as I suspect this UI quirk might also trip up others (let me know if it does, it'll help me feel like less of a fool)

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