Emacs: Rewrite icons-in-buffer-switcher thing.

init.d/basics/ui.el

@@ -1,6 +1,6 @@
 ;;; ui.el --- Configure user interfaces. -*- lexical-binding: t; -*-
 
-;; Time-stamp: <2020-02-03T06:37:56+0100>
+;; Time-stamp: <2020-02-06T20:12:39+0100>
 
 ;;; Commentary:
 ;; * treemacs
@@ -83,7 +83,8 @@
   :functions (ivy-format-function-line)
 
   :config
-  (defun ivy-rich-switch-buffer-icon (candidate)
+  (defun my/ivy-rich-switch-buffer-icon (candidate)
+    "Return icon for `candidate'."
     (with-current-buffer
         (get-buffer candidate)
       (let ((icon (all-the-icons-icon-for-mode major-mode)))
@@ -91,60 +92,25 @@
             (all-the-icons-icon-for-mode 'fundamental-mode)
           icon))))
 
+  ;; Add icons to buffer switcher.
+  ;; <https://github.com/Yevgnen/ivy-rich/issues/37#issuecomment-583033211>
+  (setq ivy-rich-display-transformers-list
+        (plist-put ivy-rich-display-transformers-list 'ivy-switch-buffer
+                   '(:columns
+                     ((my/ivy-rich-switch-buffer-icon (:width 1))
+                      (ivy-rich-candidate (:width 0.25))
+                      (ivy-rich-switch-buffer-size (:width 0.05 :face font-lock-comment-face))
+                      (ivy-rich-switch-buffer-indicators (:width 0.05 :face error :align right))
+                      (ivy-rich-switch-buffer-major-mode (:width 0.1 :face font-lock-function-name-face))
+                      (ivy-rich-switch-buffer-project (:width 0.15 :face success))
+                      (ivy-rich-switch-buffer-path (:width (lambda (x) (ivy-rich-switch-buffer-shorten-path x (ivy-rich-minibuffer-width 0.4))) :face font-lock-keyword-face)))
+                     :predicate
+                     (lambda (cand) (get-buffer cand))
+                     :delimiter "\t"
+                     )))
+
   (ivy-rich-mode 1)
   (setcdr (assq t ivy-format-functions-alist) #'ivy-format-function-line)
-
-  :custom
-  ;; It seems I have to copy this whole list to get icons in switch-buffer.
-  (ivy-rich-display-transformers-list
-   (quote
-    (ivy-switch-buffer
-     (:columns
-      ((ivy-rich-switch-buffer-icon (:width 2))
-       (ivy-rich-candidate
-        (:width 30))
-       (ivy-rich-switch-buffer-size
-        (:width 7))
-       (ivy-rich-switch-buffer-indicators
-        (:width 4 :face error :align right))
-       (ivy-rich-switch-buffer-major-mode
-        (:width 12 :face warning))
-       (ivy-rich-switch-buffer-project
-        (:width 15 :face success))
-       (ivy-rich-switch-buffer-path
-        (:width
-         (lambda
-           (x)
-           (ivy-rich-switch-buffer-shorten-path
-            x (ivy-rich-minibuffer-width 0.3))))))
-      :predicate
-      (lambda
-        (cand)
-        (get-buffer cand)))
-     counsel-M-x
-     (:columns
-      ((counsel-M-x-transformer
-        (:width 40))
-       (ivy-rich-counsel-function-docstring
-        (:face font-lock-doc-face))))
-     counsel-describe-function
-     (:columns
-      ((counsel-describe-function-transformer
-        (:width 40))
-       (ivy-rich-counsel-function-docstring
-        (:face font-lock-doc-face))))
-     counsel-describe-variable
-     (:columns
-      ((counsel-describe-variable-transformer
-        (:width 40))
-       (ivy-rich-counsel-variable-docstring
-        (:face font-lock-doc-face))))
-     counsel-recentf
-     (:columns
-      ((ivy-rich-candidate
-        (:width 0.8))
-       (ivy-rich-file-last-modified-time
-        (:face font-lock-comment-face)))))))
   )
 
 (use-package ivy-purpose