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Re: Weird cursors behaviour when using vim in terminal in insert mode

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  • Pablo Giménez
    So you guys thinks it is definitely a bug? ... -- Un saludo Best Regards Pablo Giménez -- You received this message from the vim_use maillist. Do not
    Message 1 of 13 , May 31, 2012
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      So you guys thinks it is definitely a bug?

      2012/5/31 Christian Brabandt <cblists@...>:
      > 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
      >
      > --
      > You received this message from the "vim_use" maillist.
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      --
      Un saludo
      Best Regards
      Pablo Giménez

      --
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