CmdPal: Hiding our window doesn't give foreground permission back to the previous app

[pwang2]

Description of the new feature / enhancement

App activation should return focus to the previously focused app before summoning the Command Pallete.

Scenario when this would be used?

Scenario 1: I have a Fullscreen Windows Terminal, when I activate Command Palette with shortcut key then press Esc, the focus not returning back to Windows Terminal. I want my terminal still have focus without switching app using mouse or keyboard.

Scenerio 2: Even for the case not in fullscreen app, say I am editing some text, I want to use the Command Palette to calculate something and copied the result, I want I can directly paste the result to my editing textbox without touching mouse.

In the above cases above, the focus handling can result a much better mouse free user experience. as the user can be more focused on the current editing work without moving hand to mouse.

Supporting information

No response

[zadjii-msft]

I think I actually know what this is!

This is probably the same thing as what I just tried to fix in ce15032 (in MainWindow.xaml.cs)

This regressed in the DMW_CLOAK PR in 0.91.

When we cloak our window, it doesn't actually toss foreground back to another application. Foreground stays in our cloaked window. It's actually shockingly bad now that I'm looking for it.

In the aformentioned commit, I have a test fix where I just toss foreground at the first non-WS_EX_TOOLWINDOW, but I don't think that's really the right solution here. I'm sure that there's a more accurate way to fix this, but I don't know what it is.