Restoring session with vim in a split - neovim is not sized properly

[dylan-chong]

If i save, killed the tmux server, restart tmux, and restore the session, neovim will not fill up the entire split

If the vim is taking up the entire screen (not in a split when session is saved), then the bug above does not happen

[deepakjois]

For me, it happens even if the window with NeoVim has only one pane (w/ no splits)

[bruno-]

Did you try vanilla NeoVim.. no plugins etc?

[deepakjois]

I tried vanilla NeoVim, and it is the same result.

[deepakjois]

Here is some additional info and workaround that may help in figuring out the underlying cause.

I use Tilix on Gnome as my terminal applicaton. The default size of the terminal application is 24x80. But I tend to make it full screen/vertically maximized as soon as it launches. All the reports above are after I had maximised the size of the terminal application.

However, just now I launched tmux first, before resizing, and the problem did not occur. I resized the terminal application after that, and neovim was sized properly even after that.

I am not sure, but this leads me to suspect that there is some issue in the way tmux/tmux-resurrect is reporting the size of the terminal to the underlying application.

[dylan-chong]

Is there some way we can tell tmux to tell all of its panes that their sizes have changed? If so , then we can do some hacky thing that tells all panes to resize after the restore has completed

[Starefossen]

Same problem with NVIM v0.2.2. Use :redraw to manually have vim redraw correctly after being resurrected.

[Darren-Haynes]

I am having the same issues. If I use vim or neovim, with or without splits - the whole split is not filled and renders incorrectly too. Overlapping lines and big spaces between lines. Im using ressurect with obsession.vim.

:redraw has no effect.

[dylan-chong]

This issue seems to have gone away in the last few months. Maybe this was fixed accidentally in nvim 0.3

[dylan-chong]

ignore my previous comment. this problem just happened to me again

[tanc]

Also happens to me when restoring. Sometimes I can move the cursor up and down the vim window and it will kind of grow back to size. Using :redraw does not fix it.

[tanc]

Looks like adding the following to .tmux.conf has fixed it:

set-window-option -g aggressive-resize