[Interface] Keep workspace order the same as the persist file during …

…completion. Fixes #1108
Alexander-Miller · Aug 9, 2024 · e77702c · e77702c
1 parent 202d7f0
commit e77702c
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diff --git a/src/elisp/treemacs-core-utils.el b/src/elisp/treemacs-core-utils.el
@@ -1258,6 +1258,14 @@ treemacs window."
         (unless (eq next-window current-window)
           (select-window next-window))))))
 
+(defun treemacs--pre-sorted-list (items)
+  "Return a lambda that includes sorting metedata for `completing-read'.
+Ensures that the order of ITEMS is not changed during completion."
+  (lambda (string pred action)
+    (pcase action
+      ('metadata `(metadata (display-sort-function . ,#'identity)))
+      (_ (complete-with-action action items string pred)))))
+
 (provide 'treemacs-core-utils)
 
 ;;; treemacs-core-utils.el ends here
diff --git a/src/elisp/treemacs-workspaces.el b/src/elisp/treemacs-workspaces.el
@@ -648,7 +648,10 @@ Return values may be as follows:
        (let* ((workspaces (->> treemacs--workspaces
                                (--reject (eq it (treemacs-current-workspace)))
                                (--map (cons (treemacs-workspace->name it) it))))
-              (name (completing-read "Switch to: " workspaces nil :require-match)))
+              (name (completing-read
+                     "Switch to: "
+                     (treemacs--pre-sorted-list workspaces)
+                     nil :require-match)))
          (setf new-workspace (cdr (--first (string= (car it) name) workspaces))))))
      (setf (treemacs-current-workspace) new-workspace)
      (treemacs--invalidate-buffer-project-cache)