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I have installed the new iTerm 2. It asked me in a yellow bar at the top if I'd like to enable a mouse feature. Unfortunately I don't remember the exact sentence anymore.
By accident I approved. Now when I use the scroll wheel on the mouse in iTerm, it doesn't scroll the up anymore but instead it goes triggers the command history. Like if I would press the up-cursor.
I couldn't find the right settings to turn that off again. Does anyone know where I can toggle this option?
Thx for helping!
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There is an option “unlimited scrollback buffer” which you can find under Preferences > Profiles > Terminal or you can just pump up number of lines that you want to have in history in the same place.
If you open up the Preferences > Profiles page for iTerm2 and edit the profile you're currently using (this is probably “Default”) you can increase the scrollback. Under the Terminal section you can adjust the number of scrollback lines to a higher number or just enable “Unlimited scrollback” if you want it all.
A few terminals, including iTerm2, have a feature where they change the behavior of the wheel mouse when a full-screen program such as vi, or screen or tmux is running. This happens when those programs use the alternate screen, to provide a useful function. Normally, when using the alternate screen in iTerm2, the wheel mouse acts like the scrollbar, scrolling the entire screen up/down. But when this feature is enabled, iTerm2 sends cursor up/down keys, making your command-history change.
As suggested in another comment, select the Preferences menu:
and in that, select the Advanced tab. Scroll down to the Mouse section,
and toggle the entry for
Scroll wheel sends arrow keys when in alternate screen mode
from Yes to No. You will have to restart iTerm2 for the change to take effect. (With iTerm2 v3.1.5 changes take effect without restarting.)
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If you are trapped in the scrolling history mode, you can escape by running vi and exiting. You can also choose another program that uses the alternate screen and then exit.
Scrolling the history with the mouse wheel should in theory never happen. It happens in practice because sometimes the alternate screen mode is not correctly switched back. The accepted answer solves the problem by deactivating a feature that is useful, namely scrolling in vi, less, ... with the mouse wheel or trackpad. You can keep the option from the advanced preferences:
Scroll wheel sends arrow keys when in alternate screen mode
set to yes. You will sometimes be trapped in the scroll history mode. But if you know how to escape, it's not a problem.
33
You probably just need to get out of alternate console.
Try: tput rmcup
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