我想向常规的ESS/R用户询问他们经常使用哪些按键绑定以及使用ESS/R的技巧。
(global-set-key [C-tab] 'other-window)
使用控制键和上下箭头搜索匹配已输入文本的历史记录:
(define-key comint-mode-map [C-up] 'comint-previous-matching-input-from-input)
(define-key comint-mode-map [C-down] 'comint-next-matching-input-from-input)
使用C-d或C-maj-d来注释或取消注释所选区域
(defun uncomment-region (beg end)
"Like `comment-region' invoked with a C-u prefix arg."
(interactive "r")
(comment-region beg end -1))
(define-key ess-mode-map (kbd "C-d") 'comment-region)
(define-key ess-mode-map (kbd "C-S-d") 'uncomment-region)
此外,我还启用了CUA模式(从选项菜单中)并重新配置了许多快捷键,使其仅需要两个按键(而不是标准模式下的四个):
;; Delete selection when pressing [delete] key
(delete-selection-mode t)
;; ESS Mode (.R file)
(define-key ess-mode-map "\C-l" 'ess-eval-line-and-step)
(define-key ess-mode-map "\C-p" 'ess-eval-function-or-paragraph-and-step)
(define-key ess-mode-map "\C-r" 'ess-eval-region)
;; iESS Mode (R console)
(define-key inferior-ess-mode-map "\C-u" 'comint-kill-input)
(define-key inferior-ess-mode-map "\C-w" 'backward-kill-word)
(define-key inferior-ess-mode-map "\C-a" 'comint-bol)
(define-key inferior-ess-mode-map [home] 'comint-bol)
;; Comint Mode (R console as well)
(define-key comint-mode-map "\C-e" 'comint-show-maximum-output)
(define-key comint-mode-map "\C-r" 'comint-show-output)
(define-key comint-mode-map "\C-o" 'comint-kill-output)
;; Search with C-f / C-F (control-maj-F for backware search)
(global-set-key "\C-f" 'isearch-forward)
(global-set-key (kbd "C-S-f") 'isearch-backward)
(define-key isearch-mode-map "\C-f" 'isearch-repeat-forward)
(define-key isearch-mode-map (kbd "C-S-f") 'isearch-repeat-backward)
;; Save with C-s / C-S
(global-set-key (kbd "C-s") 'save-buffer)
(global-set-key (kbd "C-S-s") 'write-file)
;; need to redefine them for isearch mode (don't know why)
(define-key isearch-mode-map (kbd "C-s") 'save-buffer)
(define-key isearch-mode-map (kbd "C-S-s") 'write-file)
;; Pause = dedicate window.
(defun toggle-current-window-dedication ()
(interactive)
(let* ((window (selected-window))
(dedicated (window-dedicated-p window)))
(set-window-dedicated-p window (not dedicated))
(message "Window %sdedicated to %s"
(if dedicated "no longer " "")
(buffer-name))))
(global-set-key [pause] 'toggle-current-window-dedication)
;; delete = delete
(global-set-key [delete] 'delete-char)
;; C-b = list buffers
(global-set-key (kbd "C-b") 'bs-show)
C-c C-z ess-switch-to-end-of-ESS
的功能是从正在编辑的foo.R源文件跳转到R控制台,非常方便。非常好的东西,我已经使用它很久了。不幸的是,从2013年11月15日起,由于EMACS的更改(我想,至少在加载最新版本之前它是有效的),取消注释键绑定可能无法工作。这是因为默认的取消注释函数有3个参数,但上面定义的函数只有2个。修复此问题的最佳方法是从代码中简单地删除取消注释函数并保留键绑定,以便使用默认的取消注释函数。换句话说,只需使用以下内容: