vim: open preview window without moving text in main window

Question

When omni-completion (or other things) opens the preview window, the size of the main window is reduced in order to make room for the preview window.

By default, the fir

Answer 1

I don't know how to trigger this, but use : :normal! Hmx`` to save current window position, and :normal! `xzt`` to restore it.

Answer 2

I reached this question when searching for a solution to this problem myself (although I don't use omni-completion, but other windows also mess with the windows scroll position). I couldn't find a good solution and it really bugged me so I ended up writing a small vim plugin that will solve this.

https://github.com/gillyb/stable-windows

I think it does exactly what you want it to do. I only wrote it recently, so if there's any bugs feel free to open an issue and I will try to fix them.

Hope it helps! :)