More packages, slight tweaks elsewhere

editor.el

@@ -27,3 +27,6 @@
 
 ;; Prettify symbols (eg. lambda -> λ).
 (global-prettify-symbols-mode)
+
+;; Enable mouse support.
+(xterm-mouse-mode +1)

init.el

@@ -28,6 +28,11 @@
       )
 
 
+;; On macOS, `ls` does not support the `--dired` option.
+(when (string= system-type "darwin")
+  (setq dired-use-ls-dired nil))
+
+
 ;; Define a couple simple helper functions for loading user-defined
 ;; configuration files.
 

pkg/marginalia.el

@@ -0,0 +1,9 @@
+;; Marginalia in the minibuffer.
+;; https://github.com/minad/marginalia/
+(use-package marginalia
+  :ensure t
+  :bind
+  (:map minibuffer-local-map
+        ("M-A" . marginalia-cycle))
+  :init
+  (marginalia-mode))

pkg/nerd-icons-completion.el

@@ -0,0 +1,8 @@
+;; Use Nerd Icons in completions.
+;; https://github.com/rainstormstudio/nerd-icons-completion
+(use-package nerd-icons-completion
+  :ensure t
+  :after  marginalia
+  :config
+  (nerd-icons-completion-mode)
+  (add-hook 'marginalia-mode-hook #'nerd-icons-completion-marginalia-setup))

pkg/orderless.el

@@ -0,0 +1,7 @@
+;;Emacs completion style that matches multiple regexps in any order.
+;; https://github.com/oantolin/orderless
+(use-package orderless
+  :ensure t
+  :custom
+  (completion-styles '(orderless basic))
+  (completion-category-overrides '((file (styles basic partial-completion)))))

pkg/rg.el

@@ -0,0 +1,6 @@
+;; Emacs search tool based on ripgrep.
+;; https://github.com/dajva/rg.el
+(use-package rg
+  :ensure t
+  :config
+  (rg-enable-default-bindings))