.autocomplete.key-binding

#!/bin/zsh
zmodload zsh/complist
zmodload -Fa zsh/parameter p:funcstack p:functions

.autocomplete.key-binding.precmd() {
  # Work around plugin managers making `key` local.
  [[ -z $key[Tab] || -z $key[Shift-Tab] ]] &&
      source ~zsh-autocomplete/module/.autocomplete.key

  local tab_style; zstyle -s :autocomplete:tab: widget-style tab_style ||
      tab_style='complete-word'
  if zstyle -t :autocomplete:tab: fzf || zstyle -t :autocomplete:tab: fzf-completion; then
    typeset -gH fzf_default_completion=$tab_style
    functions[.autocomplete.fzf-completion]=$functions[fzf-completion]
    fzf-completion() {
      zle() {
        builtin zle "$@" ${${(M)funcstack[2]:#.autocomplete.fzf-completion}:+-w}
      }
      {
        .autocomplete.fzf-completion "$@"
      } always {
        [[ -v functions[zle] ]] &&
          unfunction zle
      }
    }
  else
    bindkey -M emacs $key[Tab] $tab_style
    bindkey -M viins $key[Tab] $tab_style
  fi

  local backtab_style; zstyle -s :autocomplete:shift-tab: widget-style backtab_style ||
      backtab_style=${tab_style:/menu-complete/reverse-menu-complete}
  bindkey -M emacs $key[Shift-Tab] $backtab_style
  bindkey -M viins $key[Shift-Tab] $backtab_style

  if [[ $tab_style == *menu-* ]]; then
    bindkey -M menuselect $key[Tab] menu-complete
  else
    bindkey -M menuselect $key[Tab] accept-line
  fi
  if [[ $backtab_style == *menu-* ]]; then
    bindkey -M menuselect $key[Shift-Tab] reverse-menu-complete
  else
    bindkey -M menuselect -s $key[Shift-Tab] "$key[Tab]^_$key[Shift-Tab]"
  fi
}

bindkey -M emacs $key[Control-Space] list-expand
bindkey -M vicmd $key[Control-Space] list-expand
bindkey -M viins $key[Control-Space] list-expand

bindkey -M emacs $key[Up] up-line-or-search
bindkey -M viins $key[Up] up-line-or-search

bindkey -M emacs $key[Alt-Up] history-search
bindkey -M emacs $key[PageUp] history-search
bindkey -M viins $key[PageUp] history-search
bindkey -M vicmd $key[Up]     history-search

bindkey -M emacs $key[Down] down-line-or-select
bindkey -M viins $key[Down] down-line-or-select

bindkey -M emacs $key[Alt-Down] menu-select
bindkey -M emacs $key[PageDown] menu-select
bindkey -M viins $key[PageDown] menu-select
bindkey -M vicmd $key[Down]     menu-select

bindkey -M menuselect $key[Return]        .accept-line
bindkey -M menuselect $key[Control-Space] accept-and-hold
bindkey -M menuselect $key[Alt-Up]        vi-backward-blank-word
bindkey -M menuselect $key[Alt-Down]      vi-forward-blank-word
bindkey -M menuselect $key[PageUp]        backward-word
bindkey -M menuselect $key[PageDown]      forward-word
bindkey -M menuselect $key[Home]          beginning-of-history
bindkey -M menuselect $key[End]           end-of-history
bindkey -M menuselect '^?'  .backward-delete-char
bindkey -M menuselect '^H'  .backward-delete-char
bindkey -M menuselect '^[f' .forward-word
bindkey -M menuselect '^[F' .forward-word
bindkey -M menuselect '^[b' .backward-word
bindkey -M menuselect '^[B' .backward-word
bindkey -M menuselect '^A'  .beginning-of-line
bindkey -M menuselect '^E'  .end-of-line