Mac: Window jumps when clicking top bar and changing relative mouse mode immediately afterwards

[samojordan]

We observe the following problem on our Mac with Mac OS 10.15.6: when the user puts the window into background (SDL_WINDOWEVENT_FOCUS_LOST) we disable relative mouse mode and when the window gets focus again (SDL_WINDOWEVENT_FOCUS_GAINED) we enable relative mouse mode. When the window is located behind other windows and we click the top bar, the window jumps to another position (it's officially a window move as confirmed by recieving the SDL_WINDOWEVENT_MOVED event afterwards). This does not happen when we don't modify relative mouse mode. It's 100% reproducible in our application. We currently have no workaround for this problem. We would appreciate if someone could try to reproduce this in a simpler setup.

[slouken]

This is fixed by 88e4755.

By the way, you shouldn't need to enable/disable relative mode on focus changes. SDL should take care of this automatically. If you have a platform where that's not the case, please report it as a bug and we'll fix that.