From 2db2bd94c53fdbb757d885ba8aca94dacb46ce7a Mon Sep 17 00:00:00 2001
From: JSDurand <mmemmew@gmail.com>
Date: Fri, 26 Mar 2021 00:09:10 +0800
Subject: Poor man's live update of completion candidates

* completion-conf.el (minibuffer-local-completion-map):
(durand-completion-display-after-change):
(durand-completion-toggle-display): This will toggle between live
updating and not live updating.
---
 completion-conf.el | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

(limited to 'completion-conf.el')

diff --git a/completion-conf.el b/completion-conf.el
index ed28b06..efc9bd5 100644
--- a/completion-conf.el
+++ b/completion-conf.el
@@ -43,6 +43,7 @@
 
 (define-key minibuffer-local-completion-map (vector 'down) #'durand-embark-scroll-down-or-go-to-completions)
 (define-key minibuffer-local-completion-map (vector 'up) #'durand-embark-scroll-up-or-go-to-completions)
+(define-key minibuffer-local-completion-map (vector ?\s-v) #'durand-completion-toggle-display)
 (define-key completion-list-mode-map (vector 'down) #'durand-completion-scroll-down-or-go-to-minibuffer)
 (define-key completion-list-mode-map (vector 'up) #'durand-completion-scroll-up-or-go-to-minibuffer)
 
@@ -88,6 +89,48 @@ minibuffer as usual."
   (remove-hook 'minibuffer-setup-hook 'durand-headlong-minibuffer-setup-hook)
   (remove-hook 'minibuffer-exit-hook 'durand-headlong-minibuffer-exit-hook))
 
+;;;###autoload
+(fset
+ 'durand-completion-display-after-change
+ (make-byte-code
+  #x080
+  (unibyte-string 192 32 135)
+  (vector #'minibuffer-completion-help)
+  2
+  "Call `minibuffer-completion-help' with no input.
+
+\(fn &rest ARGS)"
+  nil))
+
+;;;###autoload
+(fset
+ 'durand-completion-toggle-display
+ (make-byte-code
+  0
+  (unibyte-string 192 9 62              ; determine if it is a member
+                  131 14 0
+                  ;; memq
+                  194 193 192 196 35 130 20 0
+                  ;; not memq
+                  195 193 192 197 196 36
+                  135)
+  (vector #'durand-completion-display-after-change
+          'after-change-functions
+          'remove-hook 'add-hook t nil)
+  6
+  "Toggle to display the list of completions after each input.
+
+\(fn)"
+  nil))
+
+;; (defun durand-completion-toggle-display ()
+;;   "Toggle to display the list of completions after each input."
+;;   (interactive)
+;;   (cond
+;;    ((memq #'durand-completion-display-after-change 'post-command-hook)
+;;     (remove-hook 'post-command-hook #'durand-completion-display-after-change t))
+;;    ((add-hook 'post-command-hook #'durand-completion-display-after-change nil t))))
+
 ;;;###autoload
 (defun regex-try-completion (string table pred point &optional metadata)
   "The function that tries to complete STRING using completion table \
-- 
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