Ticket #28347: my.emacs

File my.emacs, 18.6 KB (added by MaurizioLoreti, 11 years ago)
Line 
1;; *********************************************
2;; ***** Last change: MLO 2011-01-26 08:57 *****
3;; *********************************************
4;
5; This file binds the following keys :
6; ------------------------------------
7; C-c f: toggle auto-fill mode
8; C-c g: move to line nr. N
9; C-c r: redraw display
10
11(set-background-color "#F0FFFF")        ; Azure
12(set-foreground-color "#000080")        ; Navy blue
13(set-cursor-color "#FF0000")            ; Red
14(set-mouse-color "#FF7256")             ; Coral1
15
16;; Useful key bindings
17;; ===================
18
19(global-set-key "\C-cf" 'auto-fill-mode)
20(global-set-key "\C-cg" 'goto-line)
21(global-set-key "\C-cr" 'redraw-display)
22
23;; AUCTeX mode for (La)TeX
24;; =======================
25
26(setq load-path (cons "/opt/share/emacs/site-lisp" load-path))
27(require 'tex-site)
28
29;; Printer settings
30;; ================
31
32(setq ps-lpr-command   "lpr"
33      ps-lpr-switches  '("-P" "Stylus-D92")
34      lpr-command      "lpr"
35      lpr-switches     '("-P" "Stylus-D92")
36      ps-paper-type    'a4
37      ps-print-color-p t)
38
39;; Mail settings
40;; =============
41
42(setq mail-host-address "pd.infn.it"
43      message-user-organization "I.N.F.N. Padova - CDF/CMS cluster"
44      user-mail-address (concat (user-login-name) "@pd.infn.it")
45      mail-default-reply-to user-mail-address
46      mail-signature t
47      message-signature-file (expand-file-name "~/.signature"))
48
49;; Newsreader settings
50;; ===================
51
52(setq gnus-select-method '(nntp "powernews.libero.it")
53      gnus-local-domain "pd.infn.it"
54      gnus-local-organization "I.N.F.N. Padova - CDF/CMS cluster"
55      gnus-signature-file (expand-file-name "~/.signature"))
56
57;; Use 'aspell' as spell checker
58;; =============================
59
60(setq-default ispell-program-name "/opt/local/bin/aspell")
61
62; This file binds the following keys :
63; ------------------------------------
64; C-c b:  move point to bottom-left of window
65; C-c c:  insert changestamp
66; C-c d:  scroll N lines down
67; C-c e:  shortcut for set-language-environment
68; C-c n:  kill the current line ('n' for 'nuke')
69; C-c k:  kill all from point to signature
70; C-c p:  toggle show matching parenthesis
71; C-c s:  toggle case-sensitive search
72; C-c t:  move point to top-left of the window
73; C-c T:  toggle tool-bar on and off
74; C-c u:  scroll N lines up
75; C-c z:  save the whole buffer in the kill ring
76; [home]: move point to beginning of file
77; [end]:  move point to end of file
78; [f13]:  toggle insert/overwrite mode
79
80;; Cosmetics
81;; =========
82
83(unless window-system                        ; When running in an xterm:
84  (menu-bar-mode -1)                         ; - disable menu-bar;
85  (set-terminal-coding-system 'iso-latin-1)  ; - enable accented characters;
86  (setq gnus-visual nil))                    ; - disable gnus font-lock;
87 
88(column-number-mode 1)                  ; Turn on column number show-up
89
90; (setq frame-title-format "%b")          ; Change title to the name of
91;                                         ;   the buffer in current window
92(cond ((fboundp 'global-font-lock-mode) ; Turn on font-lock in all
93       (global-font-lock-mode t)        ;   modes that support it
94       (setq font-lock-maximum-decoration t) ; Customize colors
95       )
96      ((fboundp 'turn-on-font-lock)
97       (turn-on-font-lock)
98       (setq font-lock-maximum-decoration t)))
99
100; The following instruction is not recognized under Mac OS X
101
102;(set-scroll-bar-mode 'right)           ; Scroll-bar position: on the
103(cond ((commandp 'toggle-scroll-bar)    ; right
104       (toggle-scroll-bar 1)))
105
106(setq inhibit-startup-message t)        ; Don't show the startup
107                                        ; message
108
109(setq next-line-add-newlines nil)       ; Don't add newlines when
110                                        ; moving the cursor past EOF
111
112(fset 'yes-or-no-p 'y-or-n-p)           ; Take y for yes, n for no
113
114(global-set-key "\C-ce"                 ; Use "C-c e" to toggle the language
115  'set-language-environment)            ;   (Latin-1 ->Latin-9 for the Euro)
116
117;; Selects the mouse wheel scroll amount
118;; =====================================
119 
120(setq mouse-wheel-scroll-amount
121      (quote (3 ((shift) . 1) ((control) . nil))))
122
123;; Load the "show matching parentheses" package
124;; ============================================
125
126(require 'paren)                        ; Load
127(global-set-key "\C-cp"                 ; Use "C-c p" to toggle the
128  'toggle-highlight-paren-mode)         ;   highlight mode
129(show-paren-mode t)                     ; Set highlight mode on by default
130
131;; AUCTeX specific
132;; ===============
133
134(setq TeX-parse-self t                       ; Enable parse file on load
135      TeX-auto-save nil                      ; Disable parse info saving
136      TeX-auto-untabify t                    ; Change tabs to spaces
137      font-latex-fontify-sectioning 'color)  ; Title highligh. w/ color
138
139;; Useful key bindings
140;; ===================
141
142(global-set-key [home] 'beginning-of-buffer)
143(global-set-key [end] 'end-of-buffer)
144(global-set-key "\C-cs" 'toggle-case-fold-search)
145(global-set-key [f13] 'overwrite-mode)
146
147;; Newsreader settings
148;; ===================
149
150(setq gnus-subscribe-hierarchical-interactive t
151      gnus-interactive-catchup nil
152      gnus-large-newsgroup 300)
153
154(setq gnus-article-display-hook
155      '(gnus-article-strip-leading-blank-lines
156        gnus-article-remove-trailing-blank-lines
157        gnus-article-strip-multiple-blank-lines
158        gnus-article-hide-headers))
159
160(setq gnus-visible-headers nil
161      gnus-use-cache nil
162      gnus-ignored-headers
163      "^Path\\|^Message\\|^Return\\|^Refer\\|^NNTP\\|^X\\|^Mime\\|^Content")
164
165(setq gnus-post-method 'current)
166
167(setq gnus-summary-mode-line-format "Gnus: %G [%A] %Z"
168      gnus-article-mode-line-format "Gnus: %G - %S%m"
169      gnus-treat-display-smileys nil)
170
171;; Sets, for the newsreader, the content of the 'Address', 'Reply-To'
172;; and 'signature-file' variables in such a way that the resulting
173;; post will point to a fake sender.  For the mail agent, these fields
174;; have the correct values.
175
176(setq gnus-posting-styles
177      '((".*"
178         (signature-file (expand-file-name "~/.signature"))
179         (address "loreti@pd.infn.it")
180         (Reply-to "loreti@pd.infn.it"))
181        ((message-news-p)
182         (signature-file (expand-file-name "~/.news-signature"))
183         (address "mlo@foobar.it")
184         (Reply-to "mlo@foobar.it"))))
185
186;; Use "safari" as WWW browser
187
188(setq browse-url-browser-function 'browse-url-generic
189      browse-url-generic-program "safari")
190
191;; kill-to-signature
192;; -----------------
193;; The following function will kill all the text from the point to the
194;; first line that starts with "-- ".  This is useful when replying to
195;; a long email, but you don't want the rest of the quoted reply.  The
196;; function is globally is bounded to C-c k.
197
198(defun kill-to-signature ()
199  "Kill all text from point to the first line that starts with \"-- \".
200Usually that's the signature."
201  (interactive)
202  (delete-region (point)
203                 (save-excursion
204                   (search-forward-regexp "^-- ")
205                   (beginning-of-line)
206                   (point)))
207  (insert "\n\n\n")
208  (previous-line 2))
209
210(global-set-key "\C-ck" 'kill-to-signature)
211
212;; Indentation by blanks only
213;; ==========================
214
215(setq-default indent-tabs-mode nil)
216
217;; Enable some disabled commands
218;; =============================
219
220(put 'downcase-region 'disabled nil)
221(put 'upcase-region   'disabled nil)
222(put 'eval-expression 'disabled nil)
223
224;; Turn on auto-fill mode for text-, TeX- and Mail- buffers
225;; ========================================================
226
227(add-hook 'text-mode-hook '(lambda ()
228  (progn (setq fill-column 70) (turn-on-auto-fill))))
229
230(add-hook 'LaTeX-mode-hook '(lambda ()
231  (progn (setq fill-column 60) (turn-on-auto-fill))))
232
233(add-hook 'mail-mode-hook  '(lambda ()
234  (progn (setq fill-column 72) (turn-on-auto-fill))))
235
236;; Kill the current line (binded to C-c n)
237;; =======================================
238
239; Define a variable which will store the previous column position
240
241(defvar previous-column nil "Save the column position")
242
243; Define the nuke-line function: the current line is killed, the
244; newline character is deleted, and the cursor is left on the same
245; column on the next line.  Because the kill-line function is used,
246; the line can be later restored by using the yank commands.
247
248(defun nuke-line()
249  "Kill an entire line, including the trailing newline character"
250  (interactive)
251
252  ; Store the current column position, and move the cursor to the end
253  ; of the current line.
254
255  (setq previous-column (current-column))
256  (end-of-line)
257
258  ; If the length of the line is 0, there is no line.  Only the
259  ; newline character is deleted.
260
261  (if (= (current-column) 0)
262    (delete-char 1)
263
264    ; This is the 'else' clause.  Remove the line by moving to its
265    ; start and then killing, then deleting the newline character, and
266    ; finally restoring the column position.
267
268    (progn
269      (beginning-of-line)
270      (kill-line)
271      (delete-char 1)
272      (move-to-column previous-column))))
273
274(global-set-key "\C-cn" 'nuke-line)
275
276;; changestamps
277;; ============
278
279;; Insert "changestamp" at point (binded to C-c c)
280;; -----------------------------------------------
281
282(defvar changestamp-prefix "Last change: MLO " "'changestamp' prefix id")
283(defvar changestamp-suffix " *****" "'changestamp' suffix id")
284
285(defun insert-datetime ()
286  "Insert YYYY-MM-DD HH:MM at point"
287  (insert (format-time-string "%Y-%m-%d %R" (current-time))))
288
289(defun insert-changestamp ()
290  "Insert a 'changestamp' at point.
291A changestamp begins with 'Last change: MLO ' and whatever follows it,
292in a line ended by ' *****'"
293  (interactive "*")
294  (insert changestamp-prefix)
295  (insert-datetime)
296  (insert changestamp-suffix))
297
298(global-set-key "\C-cc" 'insert-changestamp)
299
300;; Automatically update the first existing changestamp
301;; ---------------------------------------------------
302
303(defun update-changestamp ()
304  "Update the first existing 'changestamp'.
305A changestamp begins with 'Last change: MLO ' and whatever follows it,
306in a line ended by ' *****'"
307  (interactive "*")
308  (save-excursion
309    (save-restriction
310      (save-match-data
311        (widen)
312        (goto-char (point-min))
313        (if (search-forward changestamp-prefix nil t)
314            (progn (kill-line)
315                   (insert-datetime)
316                   (insert changestamp-suffix))
317          nil)))))
318
319(add-hook 'write-file-hooks 'update-changestamp)
320
321;; Automatically update all existing changestamps
322;; ----------------------------------------------
323
324(defun update-all-changestamps ()
325  "Update all existing 'changestamps'.
326A changestamp begins with 'Last change: MLO ' and whatever follows it,
327in a line ended by ' *****'"
328  (interactive "*")
329  (save-excursion
330    (save-restriction
331      (save-match-data
332        (widen)
333        (goto-char (point-min))
334        (while (search-forward changestamp-prefix nil t)
335          (let ((start (point)))
336            (if (re-search-forward
337                 (concat (regexp-quote changestamp-suffix) "$")
338                 (save-excursion (end-of-line) (point))
339                 t)
340                (progn (goto-char start)
341                       (kill-line)
342                       (insert-datetime)
343                       (insert changestamp-suffix))))))))
344  nil)
345
346;; Cursor and point motion
347;; =======================
348;; - scroll the window one/N lines at a time up and down
349;;   (binded to C-c u and C-c d, or C-u N C-c u/d);
350;; - move point to start of top/bottom lines
351;;   (binded to C-c t and C-c b)
352
353(defun scroll-n-lines-up (&optional n)
354  "Scroll the text up N lines (default: 1)"
355  (interactive "P")
356  (scroll-up (prefix-numeric-value n)))
357(global-set-key "\C-cu" 'scroll-n-lines-up)
358
359(defun scroll-n-lines-down (&optional n)
360  "Scroll the text down N lines (default: 1)"
361  (interactive "P")
362  (scroll-down (prefix-numeric-value n)))
363(global-set-key "\C-cd" 'scroll-n-lines-down)
364
365(defun point-to-top ()
366  "Move point to top left in this window"
367  (interactive)
368  (move-to-window-line 0))
369(global-set-key "\C-ct" 'point-to-top)
370
371(defun point-to-bottom ()
372  "Move point to bottom left in this window"
373  (interactive)
374  (move-to-window-line -1))
375(global-set-key "\C-cb" 'point-to-bottom)
376
377;; Symbolic links
378;; ==============
379
380;; Make them read-only
381;; -------------------
382
383(defun read-only-if-symlink ()
384  "When visiting a symlink, make the buffer read-only"
385  (if (file-symlink-p buffer-file-name)
386      (progn (setq buffer-read-only t)
387             (message "This file is a symlink"))))
388(add-hook 'find-file-hooks 'read-only-if-symlink)
389
390;; Define two functions to deal with them
391;; --------------------------------------
392
393(defun visit-symlink-target ()
394  "Replace this buffer with a buffer visiting the symlink target"
395  (interactive)
396  (if buffer-file-name
397      (let ((target (file-symlink-p buffer-file-name)))
398        (if target
399            (find-alternate-file target)
400          (error "Not visiting a symlink!")))
401    (error "Not visiting a file!")))
402
403(defun clobber-symlink ()
404  "Replace the symlink with a copy of the target, and make it writable"
405  (interactive)
406  (if buffer-file-name
407      (let ((target (file-symlink-p buffer-file-name)))
408        (if target
409            (if (yes-or-no-p (format "Replace %s with %s? "
410                                    buffer-file-name target))
411                (progn (delete-file buffer-file-name)
412                       (write-file buffer-file-name)
413                       (setq buffer-read-only nil)))
414          (error "Not visiting a symlink!")))
415    (error "Not visiting a file!")))
416
417;; C-like languages major mode settings
418;; ====================================
419
420(defconst my-c-style
421  '((c-basic-offset . 2)
422    (c-comment-only-line-offset . 0)
423    (c-cleanup-list . (brace-else-brace
424                       brace-elseif-brace
425                       brace-catch-brace
426                       empty-defun-braces
427                       defun-close-semi
428                       list-close-comma
429                       scope-operator))
430    (c-hanging-braces-alist . ((brace-list-open)
431                               (substatement-open after)
432                               (block-close . c-snug-do-while)
433                               (extern-lang-open after)
434                               (class-open after)
435                               (defun-open after)))
436    (c-offsets-alist . ((statement-block-intro . +)
437                        (knr-argdecl-intro . 0)
438                        (arglist-intro . +)
439                        (substatement-open . +)
440                        (label . 0)
441                        (statement-cont . +)
442                        (case-label . +)
443                        (arglist-close . 0))))
444  "MLO C programming style")
445
446(defun my-c-mode-common-hook ()
447  "Add my personal mode for C programming"
448  (c-add-style "MLO" my-c-style t)
449; (c-toggle-auto-state 1)
450  (c-toggle-hungry-state 1)
451; (setq c-echo-syntactic-information-p t)
452  (setq indent-tabs-mode nil))
453
454(add-hook 'c-mode-common-hook 'my-c-mode-common-hook)
455
456;; Comment all lines in a region (half-box)
457;; ========================================
458
459;; Customisation group, and related variables
460;; ------------------------------------------
461
462(defgroup half-box nil
463  "Customisation of the 'half-box-comments'."
464  :group  'editing
465  :prefix "half-box-")
466(defcustom half-box-start ",-----"
467  "Starting line for 'half-box-comments'."
468  :type 'string :group 'half-box)
469(defcustom half-box-mid "| "
470  "Left border of the 'half-box-comments'."
471  :type 'string :group 'half-box)
472(defcustom half-box-end "`-----"
473  "Ending line for 'half-box-comments'."
474  :type 'string :group 'half-box)
475
476;; Create an half-box comment block
477;; --------------------------------
478
479(defun half-box-comment (start end)
480  "Comment all lines in the region (adding two more lines); 'half-box' style."
481  (interactive "*r")
482  (save-excursion
483    (save-restriction
484      (narrow-to-region
485       (progn (goto-char start) (beginning-of-line) (point))
486       (progn (goto-char end) (end-of-line) (point)))
487      (goto-char (point-min))
488      (beginning-of-line)
489      (insert half-box-start "\n")
490      (while (not (eobp))
491        (insert half-box-mid)
492        (forward-line 1))
493      (insert  half-box-end "\n"))))
494
495;; Create an half-box comment block, C/C++ specific
496;; ------------------------------------------------
497
498(defun half-cbox-comment (start end)
499  "Comment all lines in the region (adding two more lines);
500C/C++ program 'half-box' style."
501  (interactive "*r")
502  (let ((half-box-start "/**") (half-box-mid " | ") (half-box-end "**/"))
503    (half-box-comment start end)))
504
505;; Create a full-box comment block, C/C++ specific
506;; -----------------------------------------------
507
508(defun full-box-comment (start end)
509  "Comment all lines in the region (adding two more lines); 'full-box' style."
510  (interactive "*r")
511  (save-excursion
512    (save-restriction
513      (narrow-to-region
514       (progn (goto-char start) (beginning-of-line) (point))
515       (progn (goto-char end) (end-of-line) (point)))
516      (delete-trailing-whitespace)
517      (goto-char (point-min))           ; Compute in "maxlen" the length of
518      (beginning-of-line)               ; the longest line, plus 1.
519      (let ((maxlen 0) (pos (point)) (linelen 0))
520        (while (= 0 (forward-line))
521          (setq maxlen (max maxlen (- (point) pos))
522                pos (point)))           ; End <while loop on lines>
523        (goto-char (point-min))         ; Insert upper border
524        (beginning-of-line)
525        (insert "/*")
526        (setq linelen maxlen)
527        (while (>= linelen 0) (insert "-") (setq linelen (1- linelen)))
528        (insert "*\n")
529        (setq linelen 0 pos (1- (point)))
530        (while (not (eobp))             ; Insert left and right border
531          (insert " | ")                ; for every line
532          (end-of-line)
533          (setq linelen (- (- (point) pos) 3))
534          (while (< linelen maxlen) (insert " ") (setq linelen (1+ linelen)))
535          (insert " |")
536          (setq pos (point))
537          (forward-line 1))             ; End <while loop on lines>
538        (insert " *")                   ; Insert lower border
539        (while (>= maxlen 0) (insert "-") (setq maxlen (1- maxlen)))
540        (insert "*/\n"))))              ; End <save-excursion>
541  (forward-line 1))                     ; Restore point
542
543;; Save the whole buffer into the kill ring and the X clipboard:
544;; - this function is also binded to 'C-c z';
545;; - this function is also binded to the first entry in the
546;;   "Edit" menu, that will have title "Store buffer".
547;; -------------------------------------------------------------
548
549(defun save-whole-buffer ()
550  "Select the whole buffer, and copy the selection to the kill ring"
551  (interactive)
552  (save-excursion
553    (save-restriction
554      (widen)
555      (clipboard-kill-ring-save (point-min) (point-max))
556      (message "The whole buffer has been stored in the kill ring"))))
557
558(global-set-key "\C-cz" 'save-whole-buffer)
559
560;; End of /home/loreti/local_emacs.el
561;; ==================================
562
563;; End of .emacs
564;; =============