Add +helm--set-prompt-display

modules/completion/helm/autoload/evil.el

@@ -58,3 +58,31 @@
   (let ((helm-ag-base-command "rg --no-heading --maxdepth 1"))
     (+helm--file-search beg end query default-directory
                         (if bang (list "-uu")))))
+
+;;;###autoload
+(defun +helm--set-prompt-display (pos)
+  "TODO"
+  (let (beg state region-active m)
+    (with-selected-window (minibuffer-window)
+      (setq beg (save-excursion (vertical-motion 0 (helm-window)) (point))
+            state evil-state
+            region-active (region-active-p)
+            m (mark t)))
+    (when region-active
+      (setq m (- m beg))
+      ;; Increment pos to handle the space before prompt (i.e `pref').
+      (put-text-property (1+ (min m pos)) (+ 2 (max m pos))
+                         'face
+                         (list :background (face-background 'region))
+                         header-line-format))
+    (put-text-property
+     ;; Increment pos to handle the space before prompt (i.e `pref').
+     (+ 1 pos) (+ 2 pos)
+     'face
+     (if (eq state 'insert)
+         'underline
+       ;; Don't just use 'cursor, this can hide the current character.
+       (list :inverse-video t
+             :foreground (face-background 'cursor)
+             :background (face-background 'default)))
+     header-line-format)))