niri msg pick-window

[YaLTeR]

A new command, niri msg pick-window, that lets you pick a window with your mouse, then prints information about it. Kinda like niri msg focused-window but with a mouse picker.

Will also be useful for IPC in the future present.

[amadalusia]

I have a (probably bad) idea of how this could be done:

Step 1: Store the currently focused window
Step 2: Grab an element like what screenshot_window(&self, renderer, output, mapped) does
Step 3: Focus onto that window
Step 4: Display information about that window
Step 5: Focus back on the stored window in Step 1.

I may be able to write this up but I would need to put my rust-fu to the test.

[YaLTeR]

Step 3: Focus onto that window
Step 4: Display information about that window
Step 5: Focus back on the stored window in Step 1.

Why? This all happens in the niri process. Just return information about the target window, no focus changes necessary.

[amadalusia]

You know this is probably fair, I was kinda thinking as a way to make a really short function which basically mimics focused-window.