diff options
Diffstat (limited to 'lisp/startup.el')
| -rw-r--r-- | lisp/startup.el | 164 |
1 files changed, 76 insertions, 88 deletions
diff --git a/lisp/startup.el b/lisp/startup.el index aaba900b028..b7b4c156f02 100644 --- a/lisp/startup.el +++ b/lisp/startup.el @@ -42,9 +42,10 @@ (defcustom initial-buffer-choice nil "Buffer to show after starting Emacs. If the value is nil and `inhibit-startup-screen' is nil, show the -startup screen. If the value is a string, visit the specified file -or directory using `find-file'. If t, open the `*scratch*' -buffer. +startup screen. If the value is a string, switch to a buffer +visiting the file or directory specified by that string. If the +value is a function, switch to the buffer returned by that +function. If t, open the `*scratch*' buffer. A string value also causes emacsclient to open the specified file or directory when no target file is specified." @@ -52,8 +53,9 @@ or directory when no target file is specified." (const :tag "Startup screen" nil) (directory :tag "Directory" :value "~/") (file :tag "File" :value "~/.emacs") + (function :tag "Function") (const :tag "Lisp scratch buffer" t)) - :version "23.1" + :version "24.4" :group 'initialization) (defcustom inhibit-startup-screen nil @@ -768,11 +770,20 @@ Amongst another things, it parses the command-line arguments." (locate-file "simple" load-path (get-load-suffixes))) lisp-dir) ;; Don't abort if simple.el cannot be found, but print a warning. + ;; Although in most usage we are going to cryptically abort a moment + ;; later anyway, due to missing required bidi data files (eg bug#13430). (if (null simple-file-name) - (progn - (princ "Warning: Could not find simple.el nor simple.elc" - 'external-debugging-output) - (terpri 'external-debugging-output)) + (let ((standard-output 'external-debugging-output) + (lispdir (expand-file-name "../lisp" data-directory))) + (princ "Warning: Could not find simple.el or simple.elc") + (terpri) + (when (getenv "EMACSLOADPATH") + (princ "The EMACSLOADPATH environment variable is set, \ +please check its value") + (terpri)) + (unless (file-readable-p lispdir) + (princ (format "Lisp directory %s not readable?" lispdir)) + (terpri))) (setq lisp-dir (file-truename (file-name-directory simple-file-name))) (setq load-history (mapcar (lambda (elt) @@ -1455,6 +1466,7 @@ Each element in the list should be a list of strings or pairs (suppress-keymap map) (set-keymap-parent map button-buffer-map) (define-key map "\C-?" 'scroll-down-command) + (define-key map [?\S-\ ] 'scroll-down-command) (define-key map " " 'scroll-up-command) (define-key map "q" 'exit-splash-screen) map) @@ -1570,27 +1582,24 @@ a face or button specification." :face '(variable-pitch (:height 0.8)) emacs-copyright "\n") - (and auto-save-list-file-prefix - ;; Don't signal an error if the - ;; directory for auto-save-list files - ;; does not yet exist. - (file-directory-p (file-name-directory - auto-save-list-file-prefix)) - (directory-files - (file-name-directory auto-save-list-file-prefix) - nil - (concat "\\`" - (regexp-quote (file-name-nondirectory - auto-save-list-file-prefix))) - t) - (fancy-splash-insert :face '(variable-pitch font-lock-comment-face) - "\nIf an Emacs session crashed recently, " - "type " - :face '(fixed-pitch font-lock-comment-face) - "Meta-x recover-session RET" - :face '(variable-pitch font-lock-comment-face) - "\nto recover" - " the files you were editing.")) + (when auto-save-list-file-prefix + (let ((dir (file-name-directory auto-save-list-file-prefix)) + (name (file-name-nondirectory auto-save-list-file-prefix)) + files) + ;; Don't warn if the directory for auto-save-list files does not + ;; yet exist. + (and (file-directory-p dir) + (setq files (directory-files dir nil (concat "\\`" name) t)) + (fancy-splash-insert :face '(variable-pitch font-lock-comment-face) + (if (= (length files) 1) + "\nAn auto-save file list was found. " + "\nAuto-save file lists were found. ") + "If an Emacs session crashed recently,\ntype " + :link `("M-x recover-session RET" + ,(lambda (_button) + (call-interactively + 'recover-session))) + " to recover the files you were editing.")))) (when concise (fancy-splash-insert @@ -1847,11 +1856,8 @@ To quit a partially entered command, type Control-g.\n") (insert "\n" (emacs-version) "\n" emacs-copyright)) -;; No mouse menus, so give help using kbd commands. (defun normal-no-mouse-startup-screen () - - ;; If keys have their default meanings, - ;; use precomputed string to save lots of time. + "Show a splash screen suitable for displays without mouse support." (let* ((c-h-accessible ;; If normal-erase-is-backspace is used on a tty, there's ;; no way to invoke C-h and you have to use F1 instead. @@ -1929,47 +1935,24 @@ If you have no Meta key, you may instead type ESC followed by the character.)") 'follow-link t) (insert "\n") (insert "\n" (emacs-version) "\n" emacs-copyright "\n") - - (if (and (eq (key-binding "\C-h\C-c") 'describe-copying) - (eq (key-binding "\C-h\C-d") 'describe-distribution) - (eq (key-binding "\C-h\C-w") 'describe-no-warranty)) - (progn - (insert - " -GNU Emacs comes with ABSOLUTELY NO WARRANTY; type C-h C-w for ") - (insert-button "full details" - 'action (lambda (_button) (describe-no-warranty)) - 'follow-link t) - (insert ". -Emacs is Free Software--Free as in Freedom--so you can redistribute copies -of Emacs and modify it; type C-h C-c to see ") - (insert-button "the conditions" - 'action (lambda (_button) (describe-copying)) - 'follow-link t) - (insert ". -Type C-h C-d for information on ") - (insert-button "getting the latest version" - 'action (lambda (_button) (describe-distribution)) - 'follow-link t) - (insert ".")) - (insert (substitute-command-keys - " + (insert (substitute-command-keys + " GNU Emacs comes with ABSOLUTELY NO WARRANTY; type \\[describe-no-warranty] for ")) - (insert-button "full details" - 'action (lambda (_button) (describe-no-warranty)) - 'follow-link t) - (insert (substitute-command-keys ". + (insert-button "full details" + 'action (lambda (_button) (describe-no-warranty)) + 'follow-link t) + (insert (substitute-command-keys ". Emacs is Free Software--Free as in Freedom--so you can redistribute copies of Emacs and modify it; type \\[describe-copying] to see ")) - (insert-button "the conditions" - 'action (lambda (_button) (describe-copying)) - 'follow-link t) - (insert (substitute-command-keys". + (insert-button "the conditions" + 'action (lambda (_button) (describe-copying)) + 'follow-link t) + (insert (substitute-command-keys". Type \\[describe-distribution] for information on ")) - (insert-button "getting the latest version" - 'action (lambda (_button) (describe-distribution)) - 'follow-link t) - (insert "."))) + (insert-button "getting the latest version" + 'action (lambda (_button) (describe-distribution)) + 'follow-link t) + (insert ".")) (defun normal-about-screen () (insert "\n" (emacs-version) "\n" emacs-copyright "\n\n") @@ -2018,14 +2001,11 @@ Type \\[describe-distribution] for information on ")) (insert "\tBuying printed manuals from the FSF\n")) (defun startup-echo-area-message () - (cond ((daemonp) - "Starting Emacs daemon.") - ((eq (key-binding "\C-h\C-a") 'about-emacs) - "For information about GNU Emacs and the GNU system, type C-h C-a.") - (t - (substitute-command-keys - "For information about GNU Emacs and the GNU system, type \ -\\[about-emacs].")))) + (if (daemonp) + "Starting Emacs daemon." + (substitute-command-keys + "For information about GNU Emacs and the GNU system, type \ +\\[about-emacs]."))) (defun display-startup-echo-area-message () (let ((resize-mini-windows t)) @@ -2327,10 +2307,14 @@ A fancy display is used on graphic displays, normal otherwise." (set-buffer-modified-p nil)))) (when initial-buffer-choice - (cond ((eq initial-buffer-choice t) - (switch-to-buffer (get-buffer-create "*scratch*"))) - ((stringp initial-buffer-choice) - (find-file initial-buffer-choice)))) + (let ((buf + (cond ((stringp initial-buffer-choice) + (find-file-noselect initial-buffer-choice)) + ((functionp initial-buffer-choice) + (funcall initial-buffer-choice))))) + (switch-to-buffer + (if (buffer-live-p buf) buf (get-buffer-create "*scratch*")) + 'norecord))) (if (or inhibit-startup-screen initial-buffer-choice @@ -2386,13 +2370,17 @@ A fancy display is used on graphic displays, normal otherwise." ;; Use arg 1 so that we don't collapse // at the start of the file name. ;; That is significant on some systems. ;; However, /// at the beginning is supposed to mean just /, not //. - (if (string-match "^///+" file) + (if (string-match + (if (memq system-type '(ms-dos windows-nt)) + "^\\([\\/][\\/][\\/]\\)+" + "^///+") + file) (setq file (replace-match "/" t t file))) - (and (memq system-type '(ms-dos windows-nt)) - (string-match "^[A-Za-z]:\\(\\\\[\\\\/]\\)" file) ; C:\/ or C:\\ - (setq file (replace-match "/" t t file 1))) - (while (string-match "//+" file 1) - (setq file (replace-match "/" t t file))) + (if (memq system-type '(ms-dos windows-nt)) + (while (string-match "\\([\\/][\\/]\\)+" file 1) + (setq file (replace-match "/" t t file))) + (while (string-match "//+" file 1) + (setq file (replace-match "/" t t file)))) file)) ;;; startup.el ends here |