There's several web APIs for browser window positioning, like screenX/Y[0] (which is what OP uses), which allows for those classic pop-up based browser games from over a decade ago, like Browser Ball.[1]
While providing this information to websites without user permission is probably a longstanding mistake of web browsers, windowing systems withholding proper on-screen positioning from native applications is a bug in that system - a bad one.
Are these broken popup menus and combo box dropdowns with us in the room right now?
Yes, some things in some complex applications can break, but there are solutions and, practically, these particular things you listed simply aren't among those that break.
GNOME Files (nautilus) made the file property dialog a modal because they really want it to be centered relative to the file browser window and wayland didn't let them position or obtain coordinates.
The result is that you can't open open two file property dialogs at once (to compare sizes or dates or any other meta data, it's a common thing one might want to do).
Hopefully you'd agree that Wayland should allow apps to position windows relative to their own windows, at the very least.
With Dolphin file manager on Wayland this works for me as expected, a new window opens in the centre of the file browser window, no matter the size or position of the window.
I didn't do any actual testing but I wonder what the difference is.
For example, the VS Code menu bar is broken because the drop-downs clip against the window frame, not the screen edges. The reason is different in this case, though (electron).
It's not "my broken popup menus" since I'm not writing your app. This is some of the most basic portable software 101 I can't believe a real developer would complain about it.
If you do have that attitude there are a million other OOP style things to throw out for speed and correctness before virtual monitors and coordinating compositors
Wait until they realize that on mobile they can use accelerometer data to keep the element in the same position in space across translations of the device.
I mean, this could have applications, if you need to be facing a certain direction to read the content.
While the Silicon Valley is merely a figurative Mecca for all things tech, Apple could require people to be facing Cupertino if you want to watch a WWDC stream :D
It's easy, you just need to hold your phone such that your eyes are pointed directly at the ads as they scroll up and down the screen. Thank you for consuming content.
Sometimes there is no size setting that will get the text lines on a page to fit horizontally without making the text too small to read. Making it large enough to read means lots of left and right scrolling which is annoying.
A mode where moving the phone sideways scrolls the text at a matching rate so that the experience is similar to reading a page with a magnifying glass might be handy.
Most people would rather lines to be broken up and wrapped around than to have to walk around the room to read. Do you often find yourself reading photographs of stone tables or something?
Actually, they do, sort of. At least, if you use GLSL shaders. I remember some demo project using it in a way that made it appear that the website "sees" another window with the same website, which blew my mind when I saw it first. Cannot recall the name or anything else to locate it.
