Emacs:获取 new-frame 和 emacsclient -c 以使用设置的帧大小？

Question

我是 StackOverflow 的新手，我有一个问题，这个问题几乎是我在掌握 Emacs 的过程中唯一让我烦恼的事情。

我配置了我的.emacs文件将 Emacs 的默认帧大小设置为 70 行和 80 列，如下所示:

(add-to-list 'default-frame-alist '(left . 0))
(add-to-list 'default-frame-alist '(top . 0))
(add-to-list 'default-frame-alist '(height . 70))
(add-to-list 'default-frame-alist '(width . 80))

这在启动 Emacs 时工作正常，问题是当我使用 new-frame 启动新框架时或 emacsclient -c这些设置不受尊重。有没有办法强制 emacsclient和 new-frame读取 .emacs 中的设置执行时的文件？

编辑:

这是我的 .emacs文件:

;;This setting is meant to force emacs to read size settings before make-frame.

(add-hook 'before-make-frame-hook
      #'(lambda ()
          (add-to-list 'default-frame-alist '(left   . 0))
          (add-to-list 'default-frame-alist '(top    . 0))
          (add-to-list 'default-frame-alist '(height . 70))
          (add-to-list 'default-frame-alist '(width  . 80))))

;;disable annoying welcome screen.
(setq inhibit-splash-screen t)
(setq inferior-lisp-program "/usr/bin/abcl")
(add-to-list 'load-path "/usr/share/emacs/site-lisp/slime/")
(require 'slime)
(slime-setup)

(add-to-list 'auto-mode-alist '("\\.lisp$" . lisp-mode))
(add-to-list 'auto-mode-alist '("\\.cl$" . lisp-mode))
(add-to-list 'auto-mode-alist '("\\.asd$" . lisp-mode))
(require 'slime)
(slime-setup)
(eval-after-load "slime"
 '(progn
   (setq slime-complete-symbol*-fancy t
      slime-complete-symbol-function 'slime-fuzzy-complete-symbol
      slime-when-complete-filename-expand t
      slime-truncate-lines nil
      slime-autodoc-use-multiline-p t)
(slime-setup '(slime-fancy slime-asdf))
(define-key slime-repl-mode-map (kbd "C-c ;")
  'slime-insert-balanced-comments)
(define-key slime-repl-mode-map (kbd "C-c M-;")
  'slime-remove-balanced-comments)
(define-key slime-mode-map (kbd "C-c ;")
  'slime-insert-balanced-comments)
(define-key slime-mode-map (kbd "C-c M-;")
  'slime-remove-balanced-comments)
(define-key slime-mode-map (kbd "RET") 'newline-and-indent)
(define-key slime-mode-map (kbd "C-j") 'newline)))

(add-to-list 'default-frame-alist '(left . 0))
(add-to-list 'default-frame-alist '(top . 0))
(add-to-list 'default-frame-alist '(height . 70))
(add-to-list 'default-frame-alist '(width . 80))

(normal-erase-is-backspace-mode 0)
(tool-bar-mode -1) ;;method for disabling changed in 24. can not nil, most negative
(scroll-bar-mode -1)

;;for loading cedet.
(load-file "/usr/share/emacs/site-lisp/cedet/common/cedet.el")

Answer 1

您可以尝试将以下钩子(Hook)添加到您的 Emacs 启动文件(通常为 ~/.emacs )，即:

(add-hook 'before-make-frame-hook
          #'(lambda ()
              (add-to-list 'default-frame-alist '(left   . 0))
              (add-to-list 'default-frame-alist '(top    . 0))
              (add-to-list 'default-frame-alist '(height . 70))
              (add-to-list 'default-frame-alist '(width  . 80))))

或者，如果您想重新加载整个 .emacs文件:

(add-hook 'before-make-frame-hook #'(lambda () (load-file "~/.emacs")))

前一个钩子(Hook)几乎肯定更可取，因为重新加载整个 .emacs文件可能不仅不必要且浪费资源，而且有可能导致错误或奇怪的行为(取决于文件的内容)。

详细地说，钩子(Hook)是定义在 Emacs session 中发生特定事件时执行的命令列表的变量，例如，加载主要编辑模式，或者在这种情况下，创建新框架。见相关 Emacs manual page on hooks了解更多信息。一般来说，如果您希望每次在 Emacs 中发生特定事件时都执行某个函数，那么将所述函数添加到正确的预先存在的钩子(Hook)中可能是最好的方法。