We want to have a nice experience when scrolling the terminal buffer using both alacritty and tmux on Debian linux.
When we run alacritty and tmux together and there's a lot of text on the screen (say, by invoking tree
), we need to hit the following tmux key sequence to scroll back through the terminal history:
Ctrl+B
[
PageUp
This is difficult. Others have asked about this.
We followed the workaround advice given by the author. We disabled faux scrolling in .tmux.conf
:
set -ga terminal-overrides ',*256color*:smcup@:rmcup@'
In .alacritty.conf
, the default scrolling key combination, Shift+PageUp
, isn't too bad. We can just leave it commented to use it, but if we want to try our own settings, we can:
key_bindings:
#
# ...snip...
#
- { key: PageUp, mods: Shift, action: ScrollPageUp, mode: ~Alt }
- { key: PageDown, mods: Shift, action: ScrollPageDown, mode: ~Alt }
- { key: Home, mods: Shift, action: ScrollToTop, mode: ~Alt }
- { key: End, mods: Shift, action: ScrollToBottom, mode: ~Alt }
Resolution
With the changes to .tmux.conf
, we can now start an alacritty terminal, enter tmux, and scroll to our hearts' content, without using a difficult key combination.
🔥 It's FAST! 🔥
We found that scrolling through history with some basic command line apps wasn't negatively impacted.
When we entered tmux + alacritty, and then dumped a lot of text into less
, or navigated man bash
, we scrolled happily and without interruption.
These instructions probably apply to other terminal emulators, as well.
This is a happy time. 😄
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