VI Mode Escape Key is Frustrating

[wrynegade]

In vi = True mode, if a suggestion prompt is open the [Esc] key does not immediately exit insert mode. It seems like it tries to close the suggestion menu, but there is a 1 second delay between the key press and the menu finally closing. I'm always left frustratedly tapping the escape key over and over and over and never leaving insert mode!

When I press escape, I want to immediately be in normal mode regardless of whether a suggestion prompt is open. Is there a flag for this in the config that I am missing?

If not, could we make one? :)

[joshua-dean]

I couldn't find a config flag for this, so I suspect one would have to be made.

This appears to be behavior defined by prompt_toolkit.
Relevant issues:

• Why is my key binding event handler being called after a long delay? prompt-toolkit/python-prompt-toolkit#1901
• Escape key prompt-toolkit/python-prompt-toolkit#1181

From the first issue, a valid solution appears to be setting ttimeout_len and timeout_len on the application object.
Adding this to the cli() function in main appears to remove the delay for me:

    from prompt_toolkit.application import get_app
    get_app().timeoutlen = 0
    get_app().ttimeoutlen = 0

Here are links to those two options in the prompt_toolkit repo:

• https://github.com/prompt-toolkit/python-prompt-toolkit/blob/d8adbe9bfcf5f7e95b015d8ab12e2985b9a7822b/src/prompt_toolkit/application/application.py#L292
• https://github.com/prompt-toolkit/python-prompt-toolkit/blob/d8adbe9bfcf5f7e95b015d8ab12e2985b9a7822b/src/prompt_toolkit/application/application.py#L301

I think adding those as configuration options would be beneficial. The default delay is inconvenient.