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annotate .elisp/settings/50.localfuncs.el @ 238:3d5c595c229e

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emacs: slightly better window-width resizing behavior
author Lucas Bergman <slb@google.com>
date Thu, 24 Feb 2011 09:21:57 -0600
parents b9f4d059eb69
children 026344f083ef
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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cd4e645d1207 emacs localfuncs: add advice for ido to avoid blocking in flex matching
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1 ;; advice to prevent ido from using flex matches on huge lists of files
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2 ;; with enough characters typed and blocking for an absurd amount of time
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3 ;; after a stupid typo
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4 ;; The value af-ido-flex-fuzzy-limit is the maximum value of the product
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5 ;; of the number of characters the user has entered and the number of
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6 ;; options in the ido list.
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7 ;; The default value was determined experimentally and seemed to be
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8 ;; the boundary of sane wait times when this was written.
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9 (defvar af-ido-flex-fuzzy-limit (* 2000 5))
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10 (defadvice ido-set-matches-1 (around my-ido-set-matches-1 activate)
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11 "Conditionally disable flex matching if the list is huge.
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12
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13 This is useful because when the ido list is huge, ido flex matching
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14 spends an eternity in a regex if you make a typo."
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15 (let ((ido-enable-flex-matching (< (* (length (ad-get-arg 0)) (length ido-text))
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16 af-ido-flex-fuzzy-limit)))
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17 ad-do-it))
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18
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19 ;; Generic repository differ. Requires textmate.el and mercurial.el.
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20 (defun af-generic-diff-repo ()
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21 (interactive)
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22 (let ((root (textmate-project-root)))
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23 (cd root)
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24 (hg-view-output
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25 ((format "project diff for %s" root))
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26 (call-process (textmate-project-root-type root) nil t nil "diff")
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27 (diff-mode)
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28 (setq diff (not (= (point-min) (point-max))))
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29 (font-lock-fontify-buffer)
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30 (cd root))))
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31 (global-set-key [(control c)(t)(=)] 'af-generic-diff-repo)
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32 (global-set-key [(control c)(d)] 'af-generic-diff-repo)
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33
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34 (defun af-rotate-list (l)
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35 "Move the head of l to the end of the list."
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36 (append (cdr l) (list (car l))))
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37
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38 (defun af-spacejoin (l)
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39 "Given list of strings l, join them with spaces and return.
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40
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41 Returns the empty string if l is nil."
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42 (if l
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43 (reduce '(lambda (x &optional y) (concat x " " (if y y))) l)
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44 ""))
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45
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f34d90569fdc Add a file for local functions not yet extracted into a module. Includes a function to run pyflakes on the current buffer.
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46 (defun pyflakes-this-buffer ()
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47 (interactive)
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48 (compilation-start (concat "cd "
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49 (file-name-directory buffer-file-name)
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50 "; pyflakes " (file-name-nondirectory
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51 buffer-file-name))
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52 nil
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53 (lambda (mode) "*pyflakes*")))
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54
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55 (defun hg-check-code ()
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56 (interactive)
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57 (textmate-start-compile-in-root "python contrib/check-code.py `hg man`"
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58 nil
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59 '(lambda (x) "*check-code*") ))
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61 (defun fullscreen ()
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62 (interactive)
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63 (set-frame-parameter nil 'fullscreen
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64 (if (frame-parameter nil 'fullscreen) nil 'fullboth)))
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65
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66
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67 (defun hg-rm-this-file ()
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68 (interactive)
124
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69 (shell-command-to-string (concat "hg rm " (shell-quote-argument buffer-file-name))))
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70
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71 ;; Lifted from http://code.google.com/p/ergoemacs/
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72 (defun select-text-in-quote ()
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73 "Select text between the nearest left and right delimiters.
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74 Delimiters are paired characters: ()[]<>«»“”‘’「」, including \"\"."
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75 (interactive)
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76 (let (b1 b2)
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77 (skip-chars-backward "^<>(“{[「«\"‘")
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78 (setq b1 (point))
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79 (skip-chars-forward "^<>)”}]」»\"’")
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80 (setq b2 (point))
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81 (set-mark b1)
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82 )
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83 )
126
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84
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85 ;; Most of this was extracted from show-paren-function in paren.el from an emacs 23 nightly
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86 ;; Also, it seems like this really ought to be builtin, but I can't find it.
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87 (defun bounce-to-other-paren ()
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88 (interactive)
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89 (let ((oldpos (point))
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90 (dir (cond ((eq (syntax-class (syntax-after (1- (point)))) 5) -1)
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91 ((eq (syntax-class (syntax-after (point))) 4) 1)))
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92 pos mismatch face)
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93 ;;
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94 ;; Find the other end of the sexp.
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95 (when dir
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96 (save-excursion
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97 (save-restriction
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98 ;; Determine the range within which to look for a match.
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99 (when blink-matching-paren-distance
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100 (narrow-to-region
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101 (max (point-min) (- (point) blink-matching-paren-distance))
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102 (min (point-max) (+ (point) blink-matching-paren-distance))))
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103 ;; Scan across one sexp within that range.
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104 ;; Errors or nil mean there is a mismatch.
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105 (condition-case ()
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106 (setq pos (scan-sexps (point) dir))
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107 (error (setq pos t mismatch t)))
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108 ;; Move back the other way and verify we get back to the
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109 ;; starting point. If not, these two parens don't really match.
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110 ;; Maybe the one at point is escaped and doesn't really count.
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111 (when (integerp pos)
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112 (unless (condition-case ()
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113 (eq (point) (scan-sexps pos (- dir)))
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114 (error nil))
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115 (setq pos nil)))
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116 )))
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117 ;; Highlight the other end of the sexp, or unhighlight if none.
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118 (if (and pos (integerp pos))
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119 (goto-char pos)
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120 (message "No matching other paren found.")
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121 )))
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122
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123 (defun af-set-window-width (&optional columns)
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124 "Make selected window COLUMNS wide.
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125
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126 Interactively, if no argument is given, make selected window 80
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127 columns wide.
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128 "
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129 (interactive "p")
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130 (let* ((cols (if (or (not columns) (>= 0 columns)) 80 columns)))
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131 (shrink-window-horizontally (- (window-width) cols))))