zsh configuration added

1 files changed, 55 insertions, 0 deletions

diff --git a/.config/zsh/key_bindings.zsh b/.config/zsh/key_bindings.zsh
new file mode 100644
index 0000000..acfd24c
--- /dev/null
+++ b/.config/zsh/key_bindings.zsh
@@ -0,0 +1,55 @@
+# Key bindings
+
+## create a zkbd compatible hash; to add other keys to this hash, see: man 5 terminfo
+typeset -g -A key
+
+key[Home]="${terminfo[khome]}"
+key[End]="${terminfo[kend]}"
+key[Insert]="${terminfo[kich1]}"
+key[Backspace]="${terminfo[kbs]}"
+key[Delete]="${terminfo[kdch1]}"
+key[Up]="${terminfo[kcuu1]}"
+key[Down]="${terminfo[kcud1]}"
+key[Left]="${terminfo[kcub1]}"
+key[Right]="${terminfo[kcuf1]}"
+key[PageUp]="${terminfo[kpp]}"
+key[PageDown]="${terminfo[knp]}"
+key[Shift-Tab]="${terminfo[kcbt]}"
+
+## setup key accordingly
+[[ -n "${key[Home]}"      ]] && bindkey -- "${key[Home]}"       beginning-of-line
+[[ -n "${key[End]}"       ]] && bindkey -- "${key[End]}"        end-of-line
+[[ -n "${key[Insert]}"    ]] && bindkey -- "${key[Insert]}"     overwrite-mode
+[[ -n "${key[Backspace]}" ]] && bindkey -- "${key[Backspace]}"  backward-delete-char
+[[ -n "${key[Delete]}"    ]] && bindkey -- "${key[Delete]}"     delete-char
+[[ -n "${key[Up]}"        ]] && bindkey -- "${key[Up]}"         up-line-or-history
+[[ -n "${key[Down]}"      ]] && bindkey -- "${key[Down]}"       down-line-or-history
+[[ -n "${key[Left]}"      ]] && bindkey -- "${key[Left]}"       backward-char
+[[ -n "${key[Right]}"     ]] && bindkey -- "${key[Right]}"      forward-char
+[[ -n "${key[PageUp]}"    ]] && bindkey -- "${key[PageUp]}"     beginning-of-buffer-or-history
+[[ -n "${key[PageDown]}"  ]] && bindkey -- "${key[PageDown]}"   end-of-buffer-or-history
+[[ -n "${key[Shift-Tab]}" ]] && bindkey -- "${key[Shift-Tab]}"  reverse-menu-complete
+
+## Finally, make sure the terminal is in application mode, when zle is active. Only then are the values from $terminfo valid.
+if (( ${+terminfo[smkx]} && ${+terminfo[rmkx]} )); then
+	autoload -Uz add-zle-hook-widget
+	function zle_application_mode_start { echoti smkx }
+	function zle_application_mode_stop { echoti rmkx }
+	add-zle-hook-widget -Uz zle-line-init zle_application_mode_start
+	add-zle-hook-widget -Uz zle-line-finish zle_application_mode_stop
+fi
+
+## Shift, Alt, Ctrl and Meta modifiers
+
+key[Control-Left]="${terminfo[kLFT5]}"
+key[Control-Right]="${terminfo[kRIT5]}"
+
+[[ -n "${key[Control-Left]}"  ]] && bindkey -- "${key[Control-Left]}"  backward-word
+[[ -n "${key[Control-Right]}" ]] && bindkey -- "${key[Control-Right]}" forward-word
+
+## Vim mapping for completion
+zmodload zsh/complist
+bindkey -M menuselect 'h' vi-backward-char
+bindkey -M menuselect 'k' vi-up-line-or-history
+bindkey -M menuselect 'l' vi-forward-char
+bindkey -M menuselect 'j' vi-down-line-or-history