1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
|
;; http://irreal.org/blog/?p=1536
(autoload 'zap-up-to-char "misc"
"Kill up to, but not including ARGth occurrence of CHAR.")
(setq hippie-expand-try-functions-list '(try-complete-file-name-partially
try-complete-file-name
try-expand-all-abbrevs
try-expand-dabbrev
try-expand-dabbrev-all-buffers
try-expand-dabbrev-from-kill
try-complete-lisp-symbol-partially
try-complete-lisp-symbol))
;; http://www.emacswiki.org/emacs/UnfillParagraph
(defun km/unfill-paragraph ()
"Convert a multi-line paragraph to a single line of text."
(interactive)
(let ((fill-column (point-max)))
(fill-paragraph nil)))
(defun km/fill-surrounding-indented ()
"Fill current line with all surrounding lines of same indentation.
This is like `fill-individual-paragraphs', but 1) it acts only on
a single paragraph at point, not all paragraphs in a region, and
2) it doesn't treat lines with the following structure as a
special case.
foo> This line with extra indentation starts
foo> a paragraph that continues on more lines."
(interactive)
(save-excursion
(let ((orig-point (point))
(level (current-indentation))
beg end)
(beginning-of-line)
(while (and (not beg) (not (bobp)))
(forward-line -1)
(when (or (/= level (current-indentation))
(looking-at "^\\s-*$"))
(forward-line)
(setq beg (point))))
(goto-char orig-point)
(beginning-of-line)
(while (and (not end) (not (eobp)))
(forward-line)
(when (or (/= level (current-indentation))
(looking-at "^\\s-*$"))
(forward-line -1)
(end-of-line)
(setq end (point))))
(fill-region (or beg (point-min)) (or end (point-max))))))
(defun km/reduce-to-single-spaces ()
"Reduce consecutive blank lines to a single line."
(interactive)
(save-excursion
(goto-char (point-min))
(while (re-search-forward "\\([ \t]*\n\\)\\{3,\\}" nil t)
(forward-line -1)
(delete-blank-lines))))
(defun km/narrow-to-comment-heading ()
"Narrow to the current comment heading subtree.
Narrow the buffer from the current comment heading to the next
comment heading of the same level or, if not found, to the end of
the buffer.
A comment is considered a heading if it is at the beginning of
the line and if it conists of 3 or more occurences of
`comment-start'. The number of `comment-start' characters is
taken to indicate the level of the heading (with 3 being the top
level).
In the examples below, 'x' indicates the current point and '>>>'
and '<<<' mark the bounds of the narrowed region.
---------------------------------------------------------------
>>>;;; Level one heading
x
;;;; Level two heading
<<<
;;; Another level one heading
------------------------------eob------------------------------
---------------------------------------------------------------
;;; Level one heading
>>>;;;; Level two heading
x
<<<
;;;; Another level one heading
------------------------------eob------------------------------
---------------------------------------------------------------
>>>;;; Level one heading
x
;;;; Level two heading
<<<
------------------------------eob------------------------------"
(interactive)
(unless comment-start
(user-error "Comment syntax is not defined for current buffer"))
(unless (= (length comment-start) 1)
(user-error "Buffer's comment string consists of more than one character"))
(save-excursion
(widen)
(let ((outline-regexp (concat (s-repeat 4 comment-start) "*")))
(outline-mark-subtree)
(narrow-to-region (region-beginning) (region-end)))))
(defun km/toggle-line-or-region-comment ()
"Comment/uncomment the current line or region."
(interactive)
(let (beg end)
(if (region-active-p)
(setq beg (region-beginning) end (region-end))
(setq beg (line-beginning-position) end (line-end-position)))
(comment-or-uncomment-region beg end))
(forward-line))
;; From http://whattheemacsd.com/key-bindings.el-01.html
(defun km/goto-line-with-feedback ()
"Show line numbers when prompting for the line number input."
(interactive)
(unwind-protect
(progn
(linum-mode 1)
(call-interactively 'goto-line))
(linum-mode -1)))
(global-set-key (kbd "C-x \\") 'align-regexp)
(global-set-key (kbd "C-;") 'er/expand-region)
;; Overrides `suspend-emacs' (which is also bound to C-x C-z).
(global-set-key (kbd "C-z") 'zap-to-char)
(global-set-key (kbd "M-z") 'zap-up-to-char)
(global-set-key (kbd "C-'") 'backward-kill-word)
(global-set-key (kbd "M-/") 'hippie-expand)
(key-chord-define-global ",c" 'km/toggle-line-or-region-comment)
(define-key ctl-x-4-map "nd" 'ni-narrow-to-defun-other-window)
(define-key ctl-x-4-map "nn" 'ni-narrow-to-region-other-window)
(define-key ctl-x-4-map "np" 'ni-narrow-to-page-indirect-other-window)
(define-key narrow-map "c" 'km/narrow-to-comment-heading)
(define-key search-map "s" 'query-replace)
(define-key search-map "S" 'replace-string)
(define-key search-map "r" 'query-replace-regexp)
(define-key search-map "R" 'replace-regexp)
(global-set-key [remap goto-line] 'km/goto-line-with-feedback)
(define-prefix-command 'km/editing-map)
(global-set-key (kbd "C-c e") 'km/editing-map)
(define-key km/editing-map "f" 'km/fill-surrounding-indented)
(define-key km/editing-map "i" 'indent-relative)
(electric-indent-mode -1)
;;; Buffer cleanup
(setq whitespace-style '(face trailing indentation))
(global-whitespace-mode 1)
(add-hook 'before-save-hook 'km/cleanup-buffer)
(defvar-local km/prevent-cleanup nil
"If set, `km/cleanup-buffer' does not perform clean up on save.")
(defun km/toggle-prevent-cleanup ()
"Toggle state of `km/prevent-cleanup'."
(interactive)
(if km/prevent-cleanup
(progn
(message "Allowing cleanup on save")
(kill-local-variable 'whitespace-style)
(global-whitespace-mode 0)
(global-whitespace-mode 1))
(message "Preventing cleanup on save")
(setq-local whitespace-style
'(face trailing indentation
tab-mark space-mark newline-mark))
(global-whitespace-mode 0)
(global-whitespace-mode 1))
(setq km/prevent-cleanup (not km/prevent-cleanup)))
(defun km/cleanup-buffer ()
(interactive)
(unless km/prevent-cleanup
(whitespace-cleanup)))
(define-key km/editing-map "t" 'km/toggle-prevent-cleanup)
;;; Kill map
(defun km/kill-string-at-point ()
(interactive)
(let ((string-start (nth 8 (syntax-ppss))))
(goto-char string-start)
(kill-sexp)))
;; Taken from prelude-core.el.
(defun km/join-next-line-with-space ()
"Join current line to the next line with a space in between."
(interactive)
(delete-indentation 1))
(defmacro km/make-kill-thing-at-point (thing)
`(defun ,(intern (concat "km/kill-" thing "-at-point")) ()
,(format "Kill %s at point." thing)
(interactive)
(goto-char (beginning-of-thing (make-symbol ,thing)))
(,(intern (concat "kill-" thing)) 1)))
(km/make-kill-thing-at-point "line")
(km/make-kill-thing-at-point "paragraph")
(km/make-kill-thing-at-point "sentence")
(km/make-kill-thing-at-point "word")
(define-prefix-command 'km/kill-map)
(global-set-key (kbd "C-c k") 'km/kill-map)
(define-key km/kill-map "." 'km/kill-sentence-at-point)
(define-key km/kill-map "j" 'km/join-next-line-with-space)
(define-key km/kill-map "l" 'km/kill-line-at-point)
(define-key km/kill-map "p" 'km/kill-paragraph-at-point)
(define-key km/kill-map "s" 'km/kill-string-at-point)
(define-key km/kill-map "w" 'km/kill-word-at-point)
;;; Multiple cursors
(define-key km/editing-map "a" 'mc/mark-all-like-this)
(define-key km/editing-map "b" 'mc/edit-beginnings-of-lines)
(define-key km/editing-map "e" 'mc/edit-ends-of-lines)
(define-key km/editing-map "l" 'mc/edit-lines)
(define-key km/editing-map "n" 'mc/mark-next-like-this)
(define-key km/editing-map "p" 'mc/mark-previous-like-this)
(provide 'init-editing)
|