emacs: Use x-set everywhere

1 files changed, 67 insertions, 20 deletions

diff --git a/.config/emacs/early-init.el b/.config/emacs/early-init.el
index 85f13b0..e5fef0d 100644
--- a/.config/emacs/early-init.el
+++ b/.config/emacs/early-init.el
@@ -1,5 +1,15 @@
 ;;; early-init.el --- Emacs early init file  -*- lexical-binding: t; -*-
 
+(defmacro x-set (&rest body)
+  (declare (indent 0))
+  (unless (zerop (% (length body) 2))
+    (error "Uneven number of variable+value pairs"))
+  (macroexp-progn
+   (mapcar
+    (lambda (pair)
+      `(customize-set-variable ,(macroexp-quote (car pair)) ,(cadr pair)))
+    (seq-split body 2))))
+
 (defconst 1-KiB 1024
   "The number of bytes in 1 kibibyte")
 
@@ -36,29 +46,66 @@
                    x-data-directory))
   (make-directory dir 'parents))
 
-(setq user-emacs-directory x-cache-directory
-      auto-save-list-file-prefix (expand-file-name
-                                  "auto-save-list/"
-                                  x-cache-directory)
-      backup-directory-alist `(("." . ,(expand-file-name
-                                        "backups"
-                                        x-cache-directory))))
+(x-set
+  user-emacs-directory x-cache-directory
+  auto-save-list-file-prefix (expand-file-name
+                              "auto-save-list/" x-cache-directory)
+  backup-directory-alist `(("." . ,(expand-file-name
+                                    "backups" x-cache-directory))))
 
-(when (featurep 'native-compile)
+(when (native-comp-available-p)
   (startup-redirect-eln-cache
    (expand-file-name (expand-file-name "eln/" x-cache-directory))))
 
-;; Don’t call the garbage collector during initialization
-(setq gc-cons-threshold most-positive-fixnum)
-(add-hook 'after-init-hook
-          (lambda () (setq gc-cons-threshold (* 512 1-MiB))))
+;; Temporarily set some variables to improve startup performance.  We
+;; undo this in a following hook
+(let ((saved-file-name-handler-alist file-name-handler-alist)
+      (saved-vc-handled-backends     vc-handled-backends))
+  (x-set
+    gc-cons-threshold most-positive-fixnum
+    gc-cons-percentage .5
+    file-name-handler-alist nil
+    vc-handled-backends nil)
+  (add-hook 'emacs-startup-hook
+            (lambda ()
+              (x-set
+                gc-cons-threshold (* 8 1-MiB)
+                gc-cons-percentage 0.1
+                file-name-handler-alist saved-file-name-handler-alist
+                vc-handled-backends saved-vc-handled-backends))))
+
+(x-set read-process-output-max
+       (let ((pipe-size-file "/proc/sys/fs/pipe-max-size"))
+         (if (file-exists-p pipe-size-file)
+             (with-temp-buffer
+               (insert-file-contents pipe-size-file)
+               (number-at-point))
+           1-MiB)))
+
+(menu-bar-mode -1)
+(scroll-bar-mode -1)
+(tool-bar-mode -1)
 
-(setq read-process-output-max
-      (let ((pipe-size-file "/proc/sys/fs/pipe-max-size"))
-        (if (file-exists-p pipe-size-file)
-            (with-temp-buffer
-              (insert-file-contents pipe-size-file)
-              (number-at-point))
-          1-MiB)))
+(x-set
+  frame-resize-pixelwise t
+  frame-inhibit-implied-resize t
+  frame-title-format '("%b")
+  ring-bell-function #'ignore
+  use-dialog-box t
+  use-file-dialog nil
+  use-short-answers t
+  inhibit-splash-screen t
+  inhibit-startup-screen t
+  inhibit-x-resources t
+  inhibit-startup-echo-area-message user-login-name
+  inhibit-startup-buffer-menu t)
 
-(setq package-enable-at-startup nil)
+;; Avoid the initial flash of white light when starting emacs
+(setq mode-line-format nil)
+(set-face-attribute 'default   nil
+                    :background "#2B303B"
+                    :foreground "#C5C8C6")
+(set-face-attribute 'mode-line nil
+                    :background "#2B303B"
+                    :foreground "#C5C8C6"
+                    :box 'unspecified)