show keybindings in command palette

lib/widgets.zsh

@@ -1,20 +1,49 @@
 #!/usr/bin/env zsh
 
-_command_palette_widgets=()
-
+typeset -A widgets_list
 for widget_name widget_info in ${(kv)widgets}; do
   [[ "$widget_name" == .* ]] && continue
   [[ "$widget_info" == completion:* ]] && continue
-  _command_palette_widgets+=($widget_name)
+  widgets_list[$widget_name]="none"
 done
 
+for line in "${(@f)$(bindkey)}"; do
+  eval "line_parts=($line)"
+  widget_key="$line_parts[1]"
+  widget_name="$line_parts[2]"
+  widget_keys="$widgets_list[$widget_name]"
+
+  if [[ -z "$widget_keys" ]]; then
+    continue
+  else
+    case "$widget_keys" in
+      none) widget_keys="keys:" ;;
+      keys:*) widget_keys+=" " ;;
+    esac
+    widgets_list[$widget_name]="$widget_keys{$widget_key}"
+  fi
+done
+
+widgets_str=""
+for widget_name widget_keys in ${(kv)widgets_list}; do
+  widgets_str+="$widget_name"
+  if [[ "$widget_keys" == keys:* ]]; then
+    widgets_str+=" ${widget_keys#keys:}"
+  fi
+  widgets_str+=$'\n'
+done
+widgets_str="${widgets_str%$'\n'}"
+
+unset widget_{name,info,key,keys}
+
 _command-palette() {
-  local widget_name="$(echo "${(@j:\n:)_command_palette_widgets}" | peco)"
-  if [[ -n "$widget_name" ]]; then
+  local widget="$(echo "$widgets_str" | peco)"
+  if [[ -n "$widget" ]]; then
+    widget="${widget%%$' '*}"
     python -c "
 import fcntl, termios
 with open('$TTY') as tty:
-  for char in '\x1bx$widget_name\n':
+  for char in '\x1bx${widget}\n':
     fcntl.ioctl(tty, termios.TIOCSTI, char)
 "
   fi