On Wed, May 30, 2012 19:29, Gary Johnson wrote:
> On 2012-05-30, Pablo Giménez wrote:
>> I have these keymaps for the completion popmenu:
>> inoremap <expr> <Esc> pumvisible() ? "\<C-e>" : "\<Esc>"
>> inoremap <expr> <CR> pumvisible() ? "\<C-y>" : "\<CR>"
>> inoremap <expr> <Down> pumvisible() ? "\<C-n>" : "\<Down>"
>> inoremap <expr> <Up> pumvisible() ? "\<C-p>" : "\<Up>"
>> inoremap <expr> <PageDown> pumvisible() ?
>> "\<PageDown>\<C-p>\<C-n>" : "\<PageDown>"
>> inoremap <expr> <PageUp> pumvisible() ? "\<PageUp>\<C-p>\<C-n>"
>> : "\<PageUp>"
>>
>> I got them from the vim wiki, so I am not sure why they are breaking
>> my cursors when working from a terminal.
>> It is supposed that if pop menu is not visible they just return the
>> same key isnt it?
>
> Well, that was easy: I just executed the first inoremap above and
> now when I use the arrow keys in insert mode I get A, B, C and D.
>
> I don't have time at the moment to look at this more closely, but it
> looks like possibly a bug. I can verify that the pumvisible()
> function is returning the correct values. It appears that when an
> Esc arrives in the input buffer, the process of handling it with the
> inoremap disconnects it from the following characters so that it and
> the following characters are no longer recognized as an escape
> sequence. The behavior might be affected by 'timeout' and/or
> 'ttimeout', or maybe those options are being ignored when they
> shouldn't be.
>
> Maybe someone with more experience with these mappings can chime in.
I can reproduce the issue with this simple mapping:
inoremap <Esc> <Esc>
This breaks the cursor keys in terminal vim.
regards,
Christian
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