feat(modules/zsh): Nearly completely rewrite

New features:
  - The `vi` mode is now actually useful
  - The whole history search/suggestion has been integrated into `atuin`
  - The `edit-command-line` plugin does no longer print useless stuff
  - and miscellaneous other things.

1 files changed, 46 insertions, 35 deletions

diff --git a/modules/by-name/zs/zsh/config/custom_cursor.zsh b/modules/by-name/zs/zsh/config/custom_cursor.zsh
index 37390c1c..071bb5fe 100644
--- a/modules/by-name/zs/zsh/config/custom_cursor.zsh
+++ b/modules/by-name/zs/zsh/config/custom_cursor.zsh
@@ -1,42 +1,53 @@
 #!/usr/bin/env zsh
 
-# Change cursor shape for different vi modes.
-function zle-keymap-select {
-  if [[ ${KEYMAP} == vicmd ]] ||
-     [[ $1 = 'block' ]]; then
-    echo -ne '\e[1 q'
-  elif [[ ${KEYMAP} == main ]] ||
-       [[ ${KEYMAP} == viins ]] ||
-       [[ ${KEYMAP} = '' ]] ||
-       [[ $1 = 'beam' ]]; then
-    echo -ne '\e[5 q'
-  fi
-}
-zle -N zle-keymap-select
+autoload -U add-zsh-hook
+autoload -U add-zle-hook-widget
+
+_cursor_beam()  { echo -ne "\\033[5 q" }
+_cursor_block() { echo -ne "\\033[1 q" }
 
-# ci", ci', ci`, di", etc
-autoload -U select-quoted
-zle -N select-quoted
-for m in visual viopp; do
-  for c in {a,i}{\',\",\`}; do
-    bindkey -M "$m" "$c" select-quoted
-  done
-done
+# Change cursor shape for different vi modes.
+# From `ZSHZLE (1)`:
+# > Executed every time the keymap changes, i.e. the special parameter KEYMAP is set to a different value,
+# > while the line editor is active.  Initialising the keymap when the line  editor  starts  does
+# > not cause the widget to be called.
+# >
+# > The value $KEYMAP within the function reflects the new keymap.  The old keymap is passed as the sole argument.
+# >
+# > This can be used for detecting switches between the vi command (vicmd) and insert (usually main) keymaps.
+_cursor_zle-keymap-select() {
+    : keymap select
 
-# ci{, ci(, ci<, di{, etc
-autoload -U select-bracketed
-zle -N select-bracketed
-for m in visual viopp; do
-  for c in {a,i}${(s..)^:-'()[]{}<>bB'}; do
-    bindkey -M $m $c select-bracketed
-  done
-done
+    case "$KEYMAP" in
+    "vicmd" | "block")
+        _cursor_block
+        ;;
+    "main" | "viins" | "" | "beam")
+        _cursor_beam
+        ;;
+    esac
+}
+add-zle-hook-widget keymap-select _cursor_zle-keymap-select
 
-zle-line-init() {
-    zle -K viins # initiate `vi insert` as keymap (can be removed if `bindkey -V` has been set elsewhere)
-    echo -ne "\e[5 q"
+# From `ZSHZLE(1)`:
+# > Executed every time the line editor is started to read a new line of input.
+# > The following example puts the line editor into vi command mode when it starts up.
+# >
+# >        zle-line-init() { zle -K vicmd; }
+# >        zle -N zle-line-init
+# >
+# > (The command inside the function sets the keymap directly; it is equivalent to zle vi-cmd-mode.)
+_cursor_zle-line-init() {
+    : zle line init
+    _cursor_beam
+}
+# > This is similar to zle-line-init but is executed every time the line editor has finished reading a line of input.
+_cursor_zle-line-finish() {
+    : zle line finish
+    _cursor_block
 }
-zle -N zle-line-init
+add-zle-hook-widget line-init _cursor_zle-line-init
+add-zle-hook-widget line-finish _cursor_zle-line-finish
 
-echo -ne '\e[5 q' # Use beam shape cursor on startup.
-precmd() { echo -ne '\e[5 q' ;} # Use beam shape cursor for each new prompt.
+# Use beam shape cursor on startup.
+_cursor_beam