typeset -g -A key

key[Home]="${terminfo[khome]}"
key[End]="${terminfo[kend]}"

[[ -n "${key[Home]}" ]] && bindkey -- "${key[Home]}" beginning-of-line
[[ -n "${key[End]}" ]] && bindkey -- "${key[End]}" end-of-line

if (( ${+terminfo[smkx]} && ${+terminfo[rmkx]} )); then
    autoload -Uz add-zle-hook-widget
    function zle_application_mode_start { echoti smkx }
    function zle_application_mode_stop { echoti rmkx }
    add-zle-hook-widget -Uz zle-line-init zle_application_mode_start
    add-zle-hook-widget -Uz zle-line-finish zle_application_mode_stop
fi

## check if fzf keybindings file exists
if test -f /home/jas/.fzf/shell/key-bindings.zsh; then
    source /home/jas/.fzf/shell/key-bindings.zsh

    page-up-within-tmux() {
        if (( ${+TMUX} )); then
            tmux copy-mode -u
        fi
    }
    zle -N page-up-within-tmux

    # page up
    bindkey "${terminfo[kpp]}" page-up-within-tmux
fi

## keybinding for convenient viewing of man pages
if test -x "${HOME}/bin/tman"; then
    tman-widget() { "${HOME}/bin/tman"}
    zle -N tman-widget

    bindkey '^[m' tman-widget
fi

## history substring search
bindkey '^[[1;5A' history-substring-search-up
bindkey '^[[1;5B' history-substring-search-down