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1 ;;; minibuf.el
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2 ;; Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
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3 ;; Copyright (C) 1995 Tinker Systems
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4 ;; Copyright (C) 1995, 1996 Ben Wing
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5
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6 ;; This file is part of XEmacs.
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7
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8 ;; XEmacs is free software; you can redistribute it and/or modify it
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9 ;; under the terms of the GNU General Public License as published by
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10 ;; the Free Software Foundation; either version 2, or (at your option)
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11 ;; any later version.
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12
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13 ;; XEmacs is distributed in the hope that it will be useful, but
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14 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 ;; General Public License for more details.
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17
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18 ;; You should have received a copy of the GNU General Public License
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70
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19 ;; along with XEmacs; see the file COPYING. If not, write to the
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20 ;; Free Software Foundation, 59 Temple Place - Suite 330,
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21 ;; Boston, MA 02111-1307, USA.
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22
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23 ;;; Synched up with: all the minibuffer history stuff is synched with
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70
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24 ;;; 19.30. Not sure about the rest.
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25
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26 ;;; Commentary:
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27
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28 ;; Written by Richard Mlynarik 2-Oct-92
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29
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30 ;;; Code:
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31
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32 (defvar insert-default-directory t
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33 "*Non-nil means when reading a filename start with default dir in minibuffer."
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34 )
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35
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36 (defvar minibuffer-completion-table nil
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37 "Alist or obarray used for completion in the minibuffer.
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38 This becomes the ALIST argument to `try-completion' and `all-completions'.
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39
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40 The value may alternatively be a function, which is given three arguments:
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41 STRING, the current buffer contents;
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42 PREDICATE, the predicate for filtering possible matches;
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43 CODE, which says what kind of things to do.
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44 CODE can be nil, t or `lambda'.
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45 nil means to return the best completion of STRING, nil if there is none,
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46 or t if it is was already a unique completion.
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47 t means to return a list of all possible completions of STRING.
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48 `lambda' means to return t if STRING is a valid completion as it stands.")
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49
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50 (defvar minibuffer-completion-predicate nil
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51 "Within call to `completing-read', this holds the PREDICATE argument.")
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52
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53 (defvar minibuffer-completion-confirm nil
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54 "Non-nil => demand confirmation of completion before exiting minibuffer.")
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55
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56 (defvar minibuffer-confirm-incomplete nil
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57 "If true, then in contexts where completing-read allows answers which
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58 are not valid completions, an extra RET must be typed to confirm the
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59 response. This is helpful for catching typos, etc.")
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60
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61 (defvar completion-auto-help t
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62 "*Non-nil means automatically provide help for invalid completion input.")
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63
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64 (defvar enable-recursive-minibuffers nil
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65 "*Non-nil means to allow minibuffer commands while in the minibuffer.
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66 More precisely, this variable makes a difference when the minibuffer window
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67 is the selected window. If you are in some other window, minibuffer commands
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68 are allowed even if a minibuffer is active.")
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69
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70 (defvar minibuffer-max-depth 1
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71 ;; See comment in #'minibuffer-max-depth-exceeded
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72 "*Global maximum number of minibuffers allowed;
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73 compare to enable-recursive-minibuffers, which is only consulted when the
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74 minibuffer is reinvoked while it is the selected window.")
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75
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76 ;; Moved to C. The minibuffer prompt must be setup before this is run
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77 ;; and that can only be done from the C side.
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78 ;(defvar minibuffer-setup-hook nil
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79 ; "Normal hook run just after entry to minibuffer.")
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80
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81 (defvar minibuffer-exit-hook nil
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82 "Normal hook run just after exit from minibuffer.")
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83
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84 (defvar minibuffer-help-form nil
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85 "Value that `help-form' takes on inside the minibuffer.")
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86
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87 (defvar minibuffer-local-map
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88 (let ((map (make-sparse-keymap 'minibuffer-local-map)))
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89 map)
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90 "Default keymap to use when reading from the minibuffer.")
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91
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92 (defvar minibuffer-local-completion-map
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93 (let ((map (make-sparse-keymap 'minibuffer-local-completion-map)))
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94 (set-keymap-parents map (list minibuffer-local-map))
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95 map)
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96 "Local keymap for minibuffer input with completion.")
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97
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98 (defvar minibuffer-local-must-match-map
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99 (let ((map (make-sparse-keymap 'minibuffer-must-match-map)))
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100 (set-keymap-parents map (list minibuffer-local-completion-map))
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101 map)
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102 "Local keymap for minibuffer input with completion, for exact match.")
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103
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104 ;; (define-key minibuffer-local-map "\C-g" 'abort-recursive-edit)
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105 (define-key minibuffer-local-map "\C-g" 'minibuffer-keyboard-quit) ;; moved here from pending-del.el
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106 (define-key minibuffer-local-map "\r" 'exit-minibuffer)
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107 (define-key minibuffer-local-map "\n" 'exit-minibuffer)
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108
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109 ;; Historical crock. Unused by anything but user code, if even that
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110 ;(defvar minibuffer-local-ns-map
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111 ; (let ((map (make-sparse-keymap 'minibuffer-local-ns-map)))
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112 ; (set-keymap-parents map (list minibuffer-local-map))
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113 ; map)
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114 ; "Local keymap for the minibuffer when spaces are not allowed.")
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115 ;(define-key minibuffer-local-ns-map [space] 'exit-minibuffer)
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116 ;(define-key minibuffer-local-ns-map [tab] 'exit-minibuffer)
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117 ;(define-key minibuffer-local-ns-map [?\?] 'self-insert-and-exit)
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118
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119 (define-key minibuffer-local-completion-map "\t" 'minibuffer-complete)
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120 (define-key minibuffer-local-completion-map " " 'minibuffer-complete-word)
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121 (define-key minibuffer-local-completion-map "?" 'minibuffer-completion-help)
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122 (define-key minibuffer-local-must-match-map "\r" 'minibuffer-complete-and-exit)
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123 (define-key minibuffer-local-must-match-map "\n" 'minibuffer-complete-and-exit)
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124
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125 (define-key minibuffer-local-map "\M-n" 'next-history-element)
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126 (define-key minibuffer-local-map "\M-p" 'previous-history-element)
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127 (define-key minibuffer-local-map '[next] "\M-n")
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128 (define-key minibuffer-local-map '[prior] "\M-p")
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129 (define-key minibuffer-local-map "\M-r" 'previous-matching-history-element)
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130 (define-key minibuffer-local-map "\M-s" 'next-matching-history-element)
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131 (define-key minibuffer-local-must-match-map [next]
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132 'next-complete-history-element)
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133 (define-key minibuffer-local-must-match-map [prior]
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134 'previous-complete-history-element)
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135
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136 ;; This is an experiment--make up and down arrows do history.
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137 (define-key minibuffer-local-map [up] 'previous-history-element)
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138 (define-key minibuffer-local-map [down] 'next-history-element)
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139 (define-key minibuffer-local-completion-map [up] 'previous-history-element)
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140 (define-key minibuffer-local-completion-map [down] 'next-history-element)
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141 (define-key minibuffer-local-must-match-map [up] 'previous-history-element)
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142 (define-key minibuffer-local-must-match-map [down] 'next-history-element)
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143
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144 (defvar read-expression-map (let ((map (make-sparse-keymap
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145 'read-expression-map)))
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146 (set-keymap-parents map
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147 (list minibuffer-local-map))
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148 (define-key map "\M-\t" 'lisp-complete-symbol)
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149 map)
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150 "Minibuffer keymap used for reading Lisp expressions.")
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151
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152 (defvar read-shell-command-map
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153 (let ((map (make-sparse-keymap 'read-shell-command-map)))
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154 (set-keymap-parents map (list minibuffer-local-map))
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155 (define-key map "\t" 'comint-dynamic-complete)
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156 (define-key map "\M-\t" 'comint-dynamic-complete)
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157 (define-key map "\M-?" 'comint-dynamic-list-completions)
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158 map)
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159 "Minibuffer keymap used by shell-command and related commands.")
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74
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160
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96
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161 (defvar use-dialog-box t
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74
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162 "Variable controlling usage of the dialog box. If nil, the dialog box
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163 will never be used, even in response to mouse events.")
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164
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165 (defvar minibuffer-electric-file-name-behavior t
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166 "If non-nil, slash and tilde in certain places cause immediate deletion.
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167 These are the same places where this behavior would occur later on anyway,
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168 in `substitute-in-file-name'.")
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169
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170 (defun minibuffer-electric-slash ()
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171 ;; by Stig@hackvan.com
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172 (interactive)
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173 (and minibuffer-electric-file-name-behavior
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174 (eq ?/ (preceding-char))
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175 (not (eq (point) (1+ (point-min)))) ; permit `//hostname/path/to/file'
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176 (not (eq ?: (char-after (- (point) 2)))) ; permit `http://url/goes/here'
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177 (delete-region (point-min) (point)))
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178 (insert ?/))
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179
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180 (defun minibuffer-electric-tilde ()
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181 (interactive)
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182 (and minibuffer-electric-file-name-behavior
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183 (eq ?/ (preceding-char))
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184 ;; permit URL's with //, for e.g. http://hostname/~user
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185 (not (save-excursion (search-backward "//" nil t)))
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186 (delete-region (point-min) (point)))
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187 (insert ?~))
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188
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189 (defvar read-file-name-map
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190 (let ((map (make-sparse-keymap 'read-file-name-map)))
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191 (set-keymap-parents map (list minibuffer-local-completion-map))
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192 (define-key map "/" 'minibuffer-electric-slash)
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193 (define-key map "~" 'minibuffer-electric-tilde)
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194 map
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195 ))
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196
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197 (defvar read-file-name-must-match-map
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198 (let ((map (make-sparse-keymap 'read-file-name-map)))
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199 (set-keymap-parents map (list minibuffer-local-must-match-map))
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200 (define-key map "/" 'minibuffer-electric-slash)
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201 (define-key map "~" 'minibuffer-electric-tilde)
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202 map
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203 ))
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204
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205 (defun minibuffer-keyboard-quit ()
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206 "Abort recursive edit.
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207 If `zmacs-regions' is true, and the zmacs region is active, then this
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208 key deactivates the region without beeping."
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209 (interactive)
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210 (if (and zmacs-regions (zmacs-deactivate-region))
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211 ;; pseudo-zmacs compatibility: don't beep if this ^G is simply
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212 ;; deactivating the region. If it is inactive, beep.
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213 nil
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214 (abort-recursive-edit)))
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215
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216 ;;;; Guts of minibuffer invocation
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217
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218 ;;#### The only things remaining in C are
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219 ;; "Vminibuf_prompt" and the display junk
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220 ;; "minibuf_prompt_width" and "minibuf_prompt_pix_width"
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221 ;; Also "active_frame", though I suspect I could already
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222 ;; hack that in Lisp if I could make any sense of the
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223 ;; complete mess of frame/frame code in XEmacs.
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224 ;; Vminibuf_prompt could easily be made Lisp-bindable.
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225 ;; I suspect that minibuf_prompt*_width are actually recomputed
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226 ;; by redisplay as needed -- or could be arranged to be so --
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227 ;; and that there could be need for read-minibuffer-internal to
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228 ;; save and restore them.
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229 ;;#### The only other thing which read-from-minibuffer-internal does
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230 ;; which we can't presently do in Lisp is move the frame cursor
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231 ;; to the start of the minibuffer line as it returns. This is
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232 ;; a rather nice touch and should be preserved -- probably by
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233 ;; providing some Lisp-level mechanism (extension to cursor-in-echo-area ?)
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234 ;; to effect it.
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235
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236
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237 ;; Like reset_buffer in FSF's buffer.c
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238 ;; (Except that kill-all-local-variables doesn't nuke 'permanent-local
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239 ;; variables -- we preserve them, reset_buffer doesn't.)
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240 (defun reset-buffer (buffer)
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241 (save-excursion
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242 (set-buffer buffer)
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243 ;(if (fboundp 'unlock-buffer) (unlock-buffer))
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244 (kill-all-local-variables)
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245 (setq buffer-read-only nil)
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246 (erase-buffer)
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247 ;(setq default-directory nil)
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248 (setq buffer-file-name nil)
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249 (setq buffer-file-truename nil)
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250 (set-buffer-modified-p nil)
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251 (setq buffer-backed-up nil)
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252 (setq buffer-auto-save-file-name nil)
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253 (set-buffer-dedicated-frame buffer nil)
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254 buffer))
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255
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256 (defvar minibuffer-history-variable 'minibuffer-history
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257 "History list symbol to add minibuffer values to.
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258 Each minibuffer output is added with
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259 (set minibuffer-history-variable
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260 (cons STRING (symbol-value minibuffer-history-variable)))")
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261 (defvar minibuffer-history-position)
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262
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263 (defvar minibuffer-history-minimum-string-length 3
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264 "If this variable is non-nil, a string will not be added to the
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265 minibuffer history if its length is less than that value.")
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266
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267 (defun read-from-minibuffer (prompt &optional initial-contents
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268 keymap
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269 readp
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270 history
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271 abbrev-table)
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272 "Read a string from the minibuffer, prompting with string PROMPT.
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273 If optional second arg INITIAL-CONTENTS is non-nil, it is a string
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274 to be inserted into the minibuffer before reading input.
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275 If INITIAL-CONTENTS is (STRING . POSITION), the initial input
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276 is STRING, but point is placed POSITION characters into the string.
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277 Third arg KEYMAP is a keymap to use whilst reading;
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278 if omitted or nil, the default is `minibuffer-local-map'.
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279 If fourth arg READ is non-nil, then interpret the result as a lisp object
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280 and return that object:
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281 in other words, do `(car (read-from-string INPUT-STRING))'
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282 Fifth arg HISTORY, if non-nil, specifies a history list
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283 and optionally the initial position in the list.
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284 It can be a symbol, which is the history list variable to use,
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285 or it can be a cons cell (HISTVAR . HISTPOS).
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286 In that case, HISTVAR is the history list variable to use,
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287 and HISTPOS is the initial position (the position in the list
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288 which INITIAL-CONTENTS corresponds to).
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289 If HISTORY is `t', no history will be recorded.
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290 Positions are counted starting from 1 at the beginning of the list.
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291 Sixth arg ABBREV-TABLE, if non-nil, becomes the value of `local-abbrev-table'
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292 in the minibuffer.
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293
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294 See also the variable completion-highlight-first-word-only for control over
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295 completion display."
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296 (if (and (not enable-recursive-minibuffers)
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297 (> (minibuffer-depth) 0)
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298 (eq (selected-window) (minibuffer-window)))
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299 (error "Command attempted to use minibuffer while in minibuffer"))
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300
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301 (if (and minibuffer-max-depth
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302 (> minibuffer-max-depth 0)
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303 (>= (minibuffer-depth) minibuffer-max-depth))
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304 (minibuffer-max-depth-exceeded))
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305
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306 ;; catch this error before the poor user has typed something...
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307 (if history
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308 (if (symbolp history)
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309 (or (boundp history)
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310 (error "History list %S is unbound" history))
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311 (or (boundp (car history))
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312 (error "History list %S is unbound" (car history)))))
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313
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314 (if (noninteractive)
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315 (progn
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316 ;; XEmacs in -batch mode calls minibuffer: print the prompt.
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317 (message "%s" (gettext prompt))
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318 ;;#### force-output
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319
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320 ;;#### Should this even be falling though to the code below?
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321 ;;#### How does this stuff work now, anyway?
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322 ))
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323 (let* ((dir default-directory)
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324 (owindow (selected-window))
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325 (oframe (selected-frame))
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326 (window (minibuffer-window))
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327 (buffer (if (eq (minibuffer-depth) 0)
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328 (window-buffer window)
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329 (get-buffer-create (format " *Minibuf-%d"
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330 (minibuffer-depth)))))
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331 (frame (window-frame window))
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332 (mconfig (if (eq frame (selected-frame))
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333 nil (current-window-configuration frame)))
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334 (oconfig (current-window-configuration))
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335 ;; dynamic scope sucks sucks sucks sucks sucks sucks.
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336 ;; `M-x doctor' makes history a local variable, and thus
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337 ;; our binding above is buffer-local and doesn't apply
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338 ;; once we switch buffers!!!! We demand better scope!
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339 (_history_ history))
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340 (unwind-protect
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341 (progn
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342 (set-buffer buffer)
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343 (reset-buffer buffer)
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344 (setq default-directory dir)
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345 (make-local-variable 'print-escape-newlines)
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346 (setq print-escape-newlines t)
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347 (if (not minibuffer-smart-completion-tracking-behavior)
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348 nil
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349 (make-local-variable 'mode-motion-hook)
|
|
|
350 (or mode-motion-hook
|
|
|
351 ;;####disgusting
|
|
|
352 (setq mode-motion-hook 'minibuffer-mouse-tracker))
|
|
|
353 (make-local-variable 'mouse-track-click-hook)
|
|
|
354 (add-hook 'mouse-track-click-hook
|
|
2
|
355 'minibuffer-smart-maybe-select-highlighted-completion))
|
|
0
|
356 (set-window-buffer window buffer)
|
|
|
357 (select-window window)
|
|
|
358 (set-window-hscroll window 0)
|
|
|
359 (buffer-enable-undo buffer)
|
|
|
360 (message nil)
|
|
|
361 (if initial-contents
|
|
|
362 (if (consp initial-contents)
|
|
|
363 (progn
|
|
|
364 (insert (car initial-contents))
|
|
|
365 (goto-char (1+ (cdr initial-contents))))
|
|
|
366 (insert initial-contents)))
|
|
|
367 (use-local-map (or keymap minibuffer-local-map))
|
|
|
368 (let ((mouse-grabbed-buffer
|
|
|
369 (and minibuffer-smart-completion-tracking-behavior
|
|
|
370 (current-buffer)))
|
|
|
371 (current-prefix-arg current-prefix-arg)
|
|
|
372 (help-form minibuffer-help-form)
|
|
|
373 (minibuffer-history-variable (cond ((not _history_)
|
|
|
374 'minibuffer-history)
|
|
|
375 ((consp _history_)
|
|
|
376 (car _history_))
|
|
|
377 (t
|
|
|
378 _history_)))
|
|
|
379 (minibuffer-history-position (cond ((consp _history_)
|
|
|
380 (cdr _history_))
|
|
|
381 (t
|
|
|
382 0)))
|
|
|
383 (minibuffer-scroll-window owindow))
|
|
|
384 (if abbrev-table
|
|
|
385 (setq local-abbrev-table abbrev-table
|
|
|
386 abbrev-mode t))
|
|
|
387 ;; This is now run from read-minibuffer-internal
|
|
|
388 ;(if minibuffer-setup-hook
|
|
|
389 ; (run-hooks 'minibuffer-setup-hook))
|
|
|
390 ;(message nil)
|
|
|
391 (if (eq 't
|
|
|
392 (catch 'exit
|
|
|
393 (if (> (recursion-depth) (minibuffer-depth))
|
|
|
394 (let ((standard-output t)
|
|
|
395 (standard-input t))
|
|
|
396 (read-minibuffer-internal prompt))
|
|
|
397 (read-minibuffer-internal prompt))))
|
|
|
398 ;; Translate an "abort" (throw 'exit 't)
|
|
|
399 ;; into a real quit
|
|
|
400 (signal 'quit '())
|
|
|
401 ;; return value
|
|
|
402 (let* ((val (progn (set-buffer buffer)
|
|
|
403 (if minibuffer-exit-hook
|
|
|
404 (run-hooks 'minibuffer-exit-hook))
|
|
|
405 (buffer-string)))
|
|
|
406 (err nil))
|
|
|
407 (if readp
|
|
|
408 (condition-case e
|
|
|
409 (let ((v (read-from-string val)))
|
|
|
410 (if (< (cdr v) (length val))
|
|
|
411 (save-match-data
|
|
|
412 (or (string-match "[ \t\n]*\\'" val (cdr v))
|
|
|
413 (error "Trailing garbage following expression"))))
|
|
|
414 (setq v (car v))
|
|
|
415 ;; total total kludge
|
|
|
416 (if (stringp v) (setq v (list 'quote v)))
|
|
|
417 (setq val v))
|
|
70
|
418 (error (setq err e))))
|
|
0
|
419 ;; Add the value to the appropriate history list unless
|
|
|
420 ;; it's already the most recent element, or it's only
|
|
|
421 ;; two characters long.
|
|
|
422 (if (and (symbolp minibuffer-history-variable)
|
|
|
423 (boundp minibuffer-history-variable))
|
|
|
424 (let ((list (symbol-value minibuffer-history-variable)))
|
|
|
425 (or (eq list t)
|
|
|
426 (null val)
|
|
70
|
427 (and list (equal val (car list)))
|
|
0
|
428 (and (stringp val)
|
|
|
429 minibuffer-history-minimum-string-length
|
|
|
430 (< (length val)
|
|
|
431 minibuffer-history-minimum-string-length))
|
|
70
|
432 (set minibuffer-history-variable (cons val list)))))
|
|
0
|
433 (if err (signal (car err) (cdr err)))
|
|
|
434 val))))
|
|
|
435 ;; stupid display code requires this for some reason
|
|
|
436 (set-buffer buffer)
|
|
|
437 (buffer-disable-undo buffer)
|
|
|
438 (setq buffer-read-only nil)
|
|
|
439 (erase-buffer)
|
|
|
440
|
|
|
441 ;; restore frame configurations
|
|
|
442 (if (and mconfig (frame-live-p oframe)
|
|
|
443 (eq frame (selected-frame)))
|
|
|
444 ;; if we changed frames (due to surrogate minibuffer),
|
|
|
445 ;; and we're still on the new frame, go back to the old one.
|
|
|
446 (select-frame oframe))
|
|
|
447 (if mconfig (set-window-configuration mconfig))
|
|
|
448 (set-window-configuration oconfig))))
|
|
|
449
|
|
|
450
|
|
|
451 (defun minibuffer-max-depth-exceeded ()
|
|
|
452 ;;
|
|
|
453 ;; This signals an error if an Nth minibuffer is invoked while N-1 are
|
|
|
454 ;; already active, whether the minibuffer window is selected or not.
|
|
|
455 ;; Since, under X, it's easy to jump out of the minibuffer (by doing M-x,
|
|
|
456 ;; getting distracted, and clicking elsewhere) many many novice users have
|
|
|
457 ;; had the problem of having multiple minibuffers build up, even to the
|
|
|
458 ;; point of exceeding max-lisp-eval-depth. Since the variable
|
|
|
459 ;; enable-recursive-minibuffers historically/crockishly is only consulted
|
|
|
460 ;; when the minibuffer is currently active (like typing M-x M-x) it doesn't
|
|
|
461 ;; help in this situation.
|
|
|
462 ;;
|
|
|
463 ;; This routine also offers to edit .emacs for you to get rid of this
|
|
|
464 ;; complaint, like `disabled' commands do, since it's likely that non-novice
|
|
|
465 ;; users will be annoyed by this change, so we give them an easy way to get
|
|
|
466 ;; rid of it forever.
|
|
|
467 ;;
|
|
|
468 (beep t 'minibuffer-limit-exceeded)
|
|
|
469 (message
|
|
|
470 "Minibuffer already active: abort it with `^]', enable new one with `n': ")
|
|
|
471 (let ((char (let ((cursor-in-echo-area t)) ; #### doesn't always work??
|
|
|
472 (read-char))))
|
|
|
473 (cond
|
|
|
474 ((eq char ?n)
|
|
|
475 (cond
|
|
|
476 ((y-or-n-p "Enable recursive minibuffers for other sessions too? ")
|
|
|
477 ;; This is completely disgusting, but it's basically what novice.el
|
|
|
478 ;; does. This kind of thing should be generalized.
|
|
|
479 (setq minibuffer-max-depth nil)
|
|
|
480 (save-excursion
|
|
|
481 (set-buffer
|
|
|
482 (find-file-noselect
|
|
|
483 (substitute-in-file-name "~/.emacs")))
|
|
|
484 (goto-char (point-min))
|
|
|
485 (if (re-search-forward
|
|
|
486 "^(setq minibuffer-max-depth \\([0-9]+\\|'?nil\\|'?()\\))\n"
|
|
|
487 nil t)
|
|
|
488 (delete-region (match-beginning 0 ) (match-end 0))
|
|
|
489 ;; Must have been disabled by default.
|
|
|
490 (goto-char (point-max)))
|
|
|
491 (insert"\n(setq minibuffer-max-depth nil)\n")
|
|
|
492 (save-buffer))
|
|
|
493 (message "Multiple minibuffers enabled")
|
|
|
494 (sit-for 1))))
|
|
|
495 ((eq char ? )
|
|
|
496 (abort-recursive-edit))
|
|
|
497 (t
|
|
|
498 (error "Minibuffer already active")))))
|
|
|
499
|
|
|
500
|
|
|
501 ;;;; Guts of minibuffer completion
|
|
|
502
|
|
|
503
|
|
|
504 ;; Used by minibuffer-do-completion
|
|
|
505 (defvar last-exact-completion)
|
|
|
506
|
|
|
507 (defun temp-minibuffer-message (m)
|
|
|
508 (let ((savemax (point-max)))
|
|
|
509 (save-excursion
|
|
|
510 (goto-char (point-max))
|
|
|
511 (message nil)
|
|
|
512 (insert m))
|
|
|
513 (let ((inhibit-quit t))
|
|
|
514 (sit-for 2)
|
|
|
515 (delete-region savemax (point-max))
|
|
|
516 ;; If the user types a ^G while we're in sit-for, then quit-flag
|
|
|
517 ;; gets set. In this case, we want that ^G to be interpreted
|
|
|
518 ;; as a normal character, and act just like typeahead.
|
|
|
519 (if (and quit-flag (not unread-command-event))
|
|
|
520 (setq unread-command-event (character-to-event (quit-char))
|
|
|
521 quit-flag nil)))))
|
|
|
522
|
|
|
523
|
|
|
524 ;; Determines whether buffer-string is an exact completion
|
|
|
525 (defun exact-minibuffer-completion-p (buffer-string)
|
|
|
526 (cond ((not minibuffer-completion-table)
|
|
|
527 ;; Empty alist
|
|
|
528 nil)
|
|
|
529 ((vectorp minibuffer-completion-table)
|
|
|
530 (let ((tem (intern-soft buffer-string
|
|
|
531 minibuffer-completion-table)))
|
|
|
532 (if (or tem
|
|
|
533 (and (string-equal buffer-string "nil")
|
|
|
534 ;; intern-soft loses for 'nil
|
|
|
535 (catch 'found
|
|
|
536 (mapatoms #'(lambda (s)
|
|
|
537 (if (string-equal
|
|
|
538 (symbol-name s)
|
|
|
539 buffer-string)
|
|
|
540 (throw 'found t)))
|
|
|
541 minibuffer-completion-table)
|
|
|
542 nil)))
|
|
|
543 (if minibuffer-completion-predicate
|
|
|
544 (funcall minibuffer-completion-predicate
|
|
|
545 tem)
|
|
|
546 t)
|
|
|
547 nil)))
|
|
|
548 ((and (consp minibuffer-completion-table)
|
|
|
549 ;;#### Emacs-Lisp truly sucks!
|
|
|
550 ;; lambda, autoload, etc
|
|
|
551 (not (symbolp (car minibuffer-completion-table))))
|
|
|
552 (if (not completion-ignore-case)
|
|
|
553 (assoc buffer-string minibuffer-completion-table)
|
|
|
554 (let ((s (upcase buffer-string))
|
|
|
555 (tail minibuffer-completion-table)
|
|
|
556 tem)
|
|
|
557 (while tail
|
|
|
558 (setq tem (car (car tail)))
|
|
|
559 (if (or (equal tem buffer-string)
|
|
|
560 (equal tem s)
|
|
|
561 (equal (upcase tem) s))
|
|
|
562 (setq s 'win
|
|
|
563 tail nil) ;exit
|
|
|
564 (setq tail (cdr tail))))
|
|
|
565 (eq s 'win))))
|
|
|
566 (t
|
|
|
567 (funcall minibuffer-completion-table
|
|
|
568 buffer-string
|
|
|
569 minibuffer-completion-predicate
|
|
|
570 'lambda)))
|
|
|
571 )
|
|
|
572
|
|
|
573 ;; 0 'none no possible completion
|
|
|
574 ;; 1 'unique was already an exact and unique completion
|
|
|
575 ;; 3 'exact was already an exact (but nonunique) completion
|
|
|
576 ;; NOT USED 'completed-exact-unique completed to an exact and completion
|
|
|
577 ;; 4 'completed-exact completed to an exact (but nonunique) completion
|
|
|
578 ;; 5 'completed some completion happened
|
|
|
579 ;; 6 'uncompleted no completion happened
|
|
|
580 (defun minibuffer-do-completion-1 (buffer-string completion)
|
|
|
581 (cond ((not completion)
|
|
|
582 'none)
|
|
|
583 ((eq completion t)
|
|
|
584 ;; exact and unique match
|
|
|
585 'unique)
|
|
|
586 (t
|
|
|
587 ;; It did find a match. Do we match some possibility exactly now?
|
|
|
588 (let ((completedp (not (string-equal completion buffer-string))))
|
|
|
589 (if completedp
|
|
|
590 (progn
|
|
|
591 ;; Some completion happened
|
|
|
592 (erase-buffer)
|
|
|
593 (insert completion)
|
|
|
594 (setq buffer-string completion)))
|
|
|
595 (if (exact-minibuffer-completion-p buffer-string)
|
|
|
596 ;; An exact completion was possible
|
|
|
597 (if completedp
|
|
|
598 ;; Since no callers need to know the difference, don't bother
|
|
|
599 ;; with this (potentially expensive) discrimination.
|
|
|
600 ;; (if (eq (try-completion completion
|
|
|
601 ;; minibuffer-completion-table
|
|
|
602 ;; minibuffer-completion-predicate)
|
|
|
603 ;; 't)
|
|
|
604 ;; 'completed-exact-unique
|
|
|
605 'completed-exact
|
|
|
606 ;; )
|
|
|
607 'exact)
|
|
|
608 ;; Not an exact match
|
|
|
609 (if completedp
|
|
|
610 'completed
|
|
|
611 'uncompleted))))))
|
|
|
612
|
|
|
613
|
|
|
614 (defun minibuffer-do-completion (buffer-string)
|
|
|
615 (let* ((completion (try-completion buffer-string
|
|
|
616 minibuffer-completion-table
|
|
|
617 minibuffer-completion-predicate))
|
|
|
618 (status (minibuffer-do-completion-1 buffer-string completion))
|
|
|
619 (last last-exact-completion))
|
|
|
620 (setq last-exact-completion nil)
|
|
|
621 (cond ((eq status 'none)
|
|
|
622 ;; No completions
|
|
|
623 (ding nil 'no-completion)
|
|
|
624 (temp-minibuffer-message " [No match]"))
|
|
|
625 ((eq status 'unique)
|
|
|
626 )
|
|
|
627 (t
|
|
|
628 ;; It did find a match. Do we match some possibility exactly now?
|
|
|
629 (if (not (string-equal completion buffer-string))
|
|
|
630 (progn
|
|
|
631 ;; Some completion happened
|
|
|
632 (erase-buffer)
|
|
|
633 (insert completion)
|
|
|
634 (setq buffer-string completion)))
|
|
|
635 (cond ((eq status 'exact)
|
|
|
636 ;; If the last exact completion and this one were
|
|
|
637 ;; the same, it means we've already given a
|
|
|
638 ;; "Complete but not unique" message and that the
|
|
|
639 ;; user's hit TAB again, so now we give help.
|
|
|
640 (setq last-exact-completion completion)
|
|
|
641 (if (equal buffer-string last)
|
|
|
642 (minibuffer-completion-help)))
|
|
|
643 ((eq status 'uncompleted)
|
|
|
644 (if completion-auto-help
|
|
|
645 (minibuffer-completion-help)
|
|
|
646 (temp-minibuffer-message " [Next char not unique]")))
|
|
|
647 (t
|
|
|
648 nil))))
|
|
|
649 status))
|
|
|
650
|
|
|
651
|
|
|
652 ;;;; completing-read
|
|
|
653
|
|
|
654 (defun completing-read (prompt table
|
|
|
655 &optional predicate require-match
|
|
|
656 initial-contents history)
|
|
|
657 "Read a string in the minibuffer, with completion.
|
|
|
658 Args: PROMPT, TABLE, PREDICATE, REQUIRE-MATCH, INITIAL-CONTENTS, HISTORY.
|
|
|
659 PROMPT is a string to prompt with; normally it ends in a colon and a space.
|
|
|
660 TABLE is an alist whose elements' cars are strings, or an obarray.
|
|
|
661 PREDICATE limits completion to a subset of TABLE.
|
|
|
662 See `try-completion' for more details on completion, TABLE, and PREDICATE.
|
|
|
663 If REQUIRE-MATCH is non-nil, the user is not allowed to exit unless
|
|
|
664 the input is (or completes to) an element of TABLE or is null.
|
|
|
665 If it is also not t, Return does not exit if it does non-null completion.
|
|
|
666 If INITIAL-CONTENTS is non-nil, insert it in the minibuffer initially.
|
|
|
667 If it is (STRING . POSITION), the initial input
|
|
|
668 is STRING, but point is placed POSITION characters into the string.
|
|
|
669 HISTORY, if non-nil, specifies a history list
|
|
|
670 and optionally the initial position in the list.
|
|
|
671 It can be a symbol, which is the history list variable to use,
|
|
|
672 or it can be a cons cell (HISTVAR . HISTPOS).
|
|
|
673 In that case, HISTVAR is the history list variable to use,
|
|
|
674 and HISTPOS is the initial position (the position in the list
|
|
|
675 which INITIAL-CONTENTS corresponds to).
|
|
|
676 If HISTORY is `t', no history will be recorded.
|
|
|
677 Positions are counted starting from 1 at the beginning of the list.
|
|
|
678 Completion ignores case if the ambient value of
|
|
|
679 `completion-ignore-case' is non-nil."
|
|
|
680 (let ((minibuffer-completion-table table)
|
|
|
681 (minibuffer-completion-predicate predicate)
|
|
|
682 (minibuffer-completion-confirm (if (eq require-match 't) nil t))
|
|
|
683 (last-exact-completion nil))
|
|
|
684 (read-from-minibuffer prompt
|
|
|
685 initial-contents
|
|
|
686 (if (not require-match)
|
|
|
687 minibuffer-local-completion-map
|
|
|
688 minibuffer-local-must-match-map)
|
|
|
689 nil
|
|
|
690 history)))
|
|
|
691
|
|
|
692
|
|
|
693 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
694 ;;;; Minibuffer completion commands ;;;;
|
|
|
695 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
696
|
|
|
697
|
|
|
698 (defun minibuffer-complete ()
|
|
|
699 "Complete the minibuffer contents as far as possible.
|
|
|
700 Return nil if there is no valid completion, else t.
|
|
|
701 If no characters can be completed, display a list of possible completions.
|
|
|
702 If you repeat this command after it displayed such a list,
|
|
|
703 scroll the window of possible completions."
|
|
|
704 (interactive)
|
|
|
705 ;; If the previous command was not this, then mark the completion
|
|
|
706 ;; buffer obsolete.
|
|
|
707 (or (eq last-command this-command)
|
|
|
708 (setq minibuffer-scroll-window nil))
|
|
|
709 (let ((window minibuffer-scroll-window))
|
|
|
710 (if (and window (windowp window) (window-buffer window)
|
|
|
711 (buffer-name (window-buffer window)))
|
|
|
712 ;; If there's a fresh completion window with a live buffer
|
|
|
713 ;; and this command is repeated, scroll that window.
|
|
|
714 (let ((obuf (current-buffer)))
|
|
|
715 (unwind-protect
|
|
|
716 (progn
|
|
|
717 (set-buffer (window-buffer window))
|
|
|
718 (if (pos-visible-in-window-p (point-max) window)
|
|
|
719 ;; If end is in view, scroll up to the beginning.
|
|
|
720 (set-window-start window (point-min))
|
|
|
721 ;; Else scroll down one frame.
|
|
|
722 (scroll-other-window)))
|
|
|
723 (set-buffer obuf))
|
|
|
724 nil)
|
|
|
725 (let ((status (minibuffer-do-completion (buffer-string))))
|
|
|
726 (if (eq status 'none)
|
|
|
727 nil
|
|
|
728 (progn
|
|
|
729 (cond ((eq status 'unique)
|
|
|
730 (temp-minibuffer-message
|
|
|
731 " [Sole completion]"))
|
|
|
732 ((eq status 'exact)
|
|
|
733 (temp-minibuffer-message
|
|
|
734 " [Complete, but not unique]")))
|
|
|
735 t))))))
|
|
|
736
|
|
|
737
|
|
|
738 (defun minibuffer-complete-and-exit ()
|
|
|
739 "Complete the minibuffer contents, and maybe exit.
|
|
|
740 Exit if the name is valid with no completion needed.
|
|
|
741 If name was completed to a valid match,
|
|
|
742 a repetition of this command will exit."
|
|
|
743 (interactive)
|
|
|
744 (if (= (point-min) (point-max))
|
|
|
745 ;; Crockishly allow user to specify null string
|
|
|
746 (throw 'exit nil))
|
|
|
747 (let ((buffer-string (buffer-string)))
|
|
|
748 ;; Short-cut -- don't call minibuffer-do-completion if we already
|
|
|
749 ;; have an (possibly nonunique) exact completion.
|
|
|
750 (if (exact-minibuffer-completion-p buffer-string)
|
|
|
751 (throw 'exit nil))
|
|
|
752 (let ((status (minibuffer-do-completion buffer-string)))
|
|
|
753 (if (or (eq status 'unique)
|
|
|
754 (eq status 'exact)
|
|
|
755 (if (or (eq status 'completed-exact)
|
|
|
756 (eq status 'completed-exact-unique))
|
|
|
757 (if minibuffer-completion-confirm
|
|
|
758 (progn (temp-minibuffer-message " [Confirm]")
|
|
|
759 nil)
|
|
|
760 t)))
|
|
|
761 (throw 'exit nil)))))
|
|
|
762
|
|
|
763
|
|
|
764 (defun self-insert-and-exit ()
|
|
|
765 "Terminate minibuffer input."
|
|
|
766 (interactive)
|
|
|
767 (self-insert-command 1)
|
|
|
768 (throw 'exit nil))
|
|
|
769
|
|
|
770 (defun exit-minibuffer ()
|
|
|
771 "Terminate this minibuffer argument.
|
|
|
772 If minibuffer-confirm-incomplete is true, and we are in a completing-read
|
|
|
773 of some kind, and the contents of the minibuffer is not an existing
|
|
|
774 completion, requires an additional RET before the minibuffer will be exited
|
|
|
775 \(assuming that RET was the character that invoked this command:
|
|
|
776 the character in question must be typed again)."
|
|
|
777 (interactive)
|
|
|
778 (if (not minibuffer-confirm-incomplete)
|
|
|
779 (throw 'exit nil))
|
|
|
780 (let ((buffer-string (buffer-string)))
|
|
|
781 (if (exact-minibuffer-completion-p buffer-string)
|
|
|
782 (throw 'exit nil))
|
|
|
783 (let ((completion (if (not minibuffer-completion-table)
|
|
|
784 t
|
|
|
785 (try-completion buffer-string
|
|
|
786 minibuffer-completion-table
|
|
|
787 minibuffer-completion-predicate))))
|
|
|
788 (if (or (eq completion 't)
|
|
|
789 ;; Crockishly allow user to specify null string
|
|
|
790 (string-equal buffer-string ""))
|
|
|
791 (throw 'exit nil))
|
|
|
792 (if completion ;; rewritten for I18N3 snarfing
|
|
|
793 (temp-minibuffer-message " [incomplete; confirm]")
|
|
|
794 (temp-minibuffer-message " [no completions; confirm]"))
|
|
|
795 (let ((event (let ((inhibit-quit t))
|
|
|
796 (prog1
|
|
|
797 (next-command-event)
|
|
|
798 (setq quit-flag nil)))))
|
|
|
799 (cond ((equal event last-command-event)
|
|
|
800 (throw 'exit nil))
|
|
|
801 ((equal (quit-char) (event-to-character event))
|
|
|
802 ;; Minibuffer abort.
|
|
|
803 (throw 'exit t)))
|
|
|
804 (dispatch-event event)))))
|
|
|
805
|
|
|
806 ;;;; minibuffer-complete-word
|
|
|
807
|
|
|
808
|
|
|
809 ;;;#### I think I have done this correctly; it certainly is simpler
|
|
|
810 ;;;#### than what the C code seemed to be trying to do.
|
|
|
811 (defun minibuffer-complete-word ()
|
|
|
812 "Complete the minibuffer contents at most a single word.
|
|
|
813 After one word is completed as much as possible, a space or hyphen
|
|
|
814 is added, provided that matches some possible completion.
|
|
|
815 Return nil if there is no valid completion, else t."
|
|
|
816 (interactive)
|
|
|
817 (let* ((buffer-string (buffer-string))
|
|
|
818 (completion (try-completion buffer-string
|
|
|
819 minibuffer-completion-table
|
|
|
820 minibuffer-completion-predicate))
|
|
|
821 (status (minibuffer-do-completion-1 buffer-string completion)))
|
|
|
822 (cond ((eq status 'none)
|
|
|
823 (ding nil 'no-completion)
|
|
|
824 (temp-minibuffer-message " [No match]")
|
|
|
825 nil)
|
|
|
826 ((eq status 'unique)
|
|
|
827 ;; New message, only in this new Lisp code
|
|
|
828 (temp-minibuffer-message " [Sole completion]")
|
|
|
829 t)
|
|
|
830 (t
|
|
|
831 (cond ((or (eq status 'uncompleted)
|
|
|
832 (eq status 'exact))
|
|
|
833 (let ((foo #'(lambda (s)
|
|
|
834 (condition-case nil
|
|
|
835 (if (try-completion
|
|
|
836 (concat buffer-string s)
|
|
|
837 minibuffer-completion-table
|
|
|
838 minibuffer-completion-predicate)
|
|
|
839 (progn
|
|
|
840 (goto-char (point-max))
|
|
|
841 (insert s)
|
|
|
842 t)
|
|
|
843 nil)
|
|
|
844 (error nil))))
|
|
|
845 (char last-command-char))
|
|
|
846 ;; Try to complete by adding a word-delimiter
|
|
74
|
847 (or (and (characterp char) (> char 0)
|
|
0
|
848 (funcall foo (char-to-string char)))
|
|
|
849 (and (not (eq char ?\ ))
|
|
|
850 (funcall foo " "))
|
|
|
851 (and (not (eq char ?\-))
|
|
|
852 (funcall foo "-"))
|
|
|
853 (progn
|
|
|
854 (if completion-auto-help
|
|
|
855 (minibuffer-completion-help)
|
|
|
856 ;; New message, only in this new Lisp code
|
|
|
857 ;; rewritten for I18N3 snarfing
|
|
|
858 (if (eq status 'exact)
|
|
|
859 (temp-minibuffer-message
|
|
|
860 " [Complete, but not unique]")
|
|
|
861 (temp-minibuffer-message " [Ambiguous]")))
|
|
|
862 nil))))
|
|
|
863 (t
|
|
|
864 (erase-buffer)
|
|
|
865 (insert completion)
|
|
|
866 ;; First word-break in stuff found by completion
|
|
|
867 (goto-char (point-min))
|
|
|
868 (let ((len (length buffer-string))
|
|
|
869 n)
|
|
|
870 (if (and (< len (length completion))
|
|
|
871 (catch 'match
|
|
|
872 (setq n 0)
|
|
|
873 (while (< n len)
|
|
|
874 (if (char-equal
|
|
|
875 (upcase (aref buffer-string n))
|
|
|
876 (upcase (aref completion n)))
|
|
|
877 (setq n (1+ n))
|
|
|
878 (throw 'match nil)))
|
|
|
879 t)
|
|
|
880 (progn
|
|
|
881 (goto-char (point-min))
|
|
|
882 (forward-char len)
|
|
|
883 (re-search-forward "\\W" nil t)))
|
|
|
884 (delete-region (point) (point-max))
|
|
|
885 (goto-char (point-max))))
|
|
|
886 t))))))
|
|
|
887
|
|
|
888
|
|
|
889 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
890 ;;;; "Smart minibuffer" hackery ;;;;
|
|
|
891 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
892
|
|
|
893 ;;; ("Kludgy minibuffer hackery" is perhaps a better name)
|
|
|
894
|
|
|
895 ;; This works by setting `mouse-grabbed-buffer' to the minibuffer,
|
|
|
896 ;; defining button2 in the minibuffer keymap to
|
|
|
897 ;; `minibuffer-smart-select-highlighted-completion', and setting the
|
|
|
898 ;; mode-motion-hook of the minibuffer to `minibuffer-mouse-tracker'.
|
|
|
899 ;; By setting `mouse-grabbed-buffer', the minibuffer's keymap and
|
|
|
900 ;; mode-motion-hook apply (for mouse motion and presses) no matter
|
|
|
901 ;; what buffer the mouse is over. Then, `minibuffer-mouse-tracker'
|
|
|
902 ;; examines the text under the mouse looking for something that looks
|
|
|
903 ;; like a completion, and causes it to be highlighted, and
|
|
|
904 ;; `minibuffer-smart-select-highlighted-completion' looks for a
|
|
|
905 ;; flagged completion under the mouse and inserts it. This has the
|
|
|
906 ;; following advantages:
|
|
|
907 ;;
|
|
|
908 ;; -- filenames and such in any buffer can be inserted by clicking,
|
|
|
909 ;; not just completions
|
|
|
910 ;;
|
|
|
911 ;; but the following disadvantages:
|
|
|
912 ;;
|
|
|
913 ;; -- unless you're aware of the "filename in any buffer" feature,
|
|
|
914 ;; the fact that strings in arbitrary buffers get highlighted appears
|
|
|
915 ;; as a bug
|
|
|
916 ;; -- mouse motion can cause ange-ftp actions -- bad bad bad.
|
|
|
917 ;;
|
|
|
918 ;; There's some hackery in minibuffer-mouse-tracker to try to avoid the
|
|
|
919 ;; ange-ftp stuff, but it doesn't work.
|
|
|
920 ;;
|
|
|
921
|
|
|
922 (defvar minibuffer-smart-completion-tracking-behavior nil
|
|
|
923 "If non-nil, look for completions under mouse in all buffers.
|
|
|
924 This allows you to click on something that looks like a completion
|
|
|
925 and have it selected, regardless of what buffer it is in.
|
|
|
926
|
|
|
927 This is not enabled by default because
|
|
|
928
|
|
|
929 -- The \"mysterious\" highlighting in normal buffers is confusing to
|
|
|
930 people not expecting it, and looks like a bug
|
|
|
931 -- If ange-ftp is enabled, this tracking sometimes causes ange-ftp
|
|
|
932 action as a result of mouse motion, which is *bad bad bad*.
|
|
|
933 Hopefully this bug will be fixed at some point.")
|
|
|
934
|
|
|
935 (defun minibuffer-smart-mouse-tracker (event)
|
|
|
936 ;; Used as the mode-motion-hook of the minibuffer window, which is the
|
|
|
937 ;; value of `mouse-grabbed-buffer' while the minibuffer is active. If
|
|
|
938 ;; the word under the mouse is a valid minibuffer completion, then it
|
|
|
939 ;; is highlighted.
|
|
|
940 ;;
|
|
|
941 ;; We do some special voodoo when we're reading a pathname, because
|
|
|
942 ;; the way filename completion works is funny. Possibly there's some
|
|
|
943 ;; more general way this could be dealt with...
|
|
|
944 ;;
|
|
|
945 ;; We do some further voodoo when reading a pathname that is an
|
|
|
946 ;; ange-ftp or efs path, because causing FTP activity as a result of
|
|
|
947 ;; mouse motion is a really bad time.
|
|
|
948 ;;
|
|
|
949 (and minibuffer-smart-completion-tracking-behavior
|
|
|
950 (event-point event)
|
|
|
951 ;; avoid conflict with display-completion-list extents
|
|
|
952 (not (extent-at (event-point event)
|
|
|
953 (event-buffer event)
|
|
|
954 'list-mode-item))
|
|
|
955 (let ((filename-kludge-p (eq minibuffer-completion-table
|
|
|
956 'read-file-name-internal)))
|
|
|
957 (mode-motion-highlight-internal
|
|
|
958 event
|
|
|
959 #'(lambda () (default-mouse-track-beginning-of-word
|
|
|
960 (if filename-kludge-p 'nonwhite t)))
|
|
|
961 #'(lambda ()
|
|
|
962 (let ((p (point))
|
|
|
963 (string ""))
|
|
|
964 (default-mouse-track-end-of-word
|
|
|
965 (if filename-kludge-p 'nonwhite t))
|
|
|
966 (if (and (/= p (point)) minibuffer-completion-table)
|
|
|
967 (setq string (buffer-substring p (point))))
|
|
|
968 (if (string-match "\\`[ \t\n]*\\'" string)
|
|
|
969 (goto-char p)
|
|
|
970 (if filename-kludge-p
|
|
|
971 (setq string (minibuffer-smart-select-kludge-filename
|
|
|
972 string)))
|
|
|
973 ;; try-completion bogusly returns a string even when
|
|
|
974 ;; that string is complete if that string is also a
|
|
|
975 ;; prefix for other completions. This means that we
|
|
|
976 ;; can't just do the obvious thing, (eq t
|
|
|
977 ;; (try-completion ...)).
|
|
|
978 (let (comp)
|
|
|
979 (if (and filename-kludge-p
|
|
|
980 ;; #### evil evil evil evil
|
|
|
981 (or (and (fboundp 'ange-ftp-ftp-path)
|
|
|
982 (ange-ftp-ftp-path string))
|
|
|
983 (and (fboundp 'efs-ftp-path)
|
|
|
984 (efs-ftp-path string))))
|
|
|
985 (setq comp t)
|
|
|
986 (setq comp
|
|
|
987 (try-completion string
|
|
|
988 minibuffer-completion-table
|
|
|
989 minibuffer-completion-predicate)))
|
|
|
990 (or (eq comp t)
|
|
|
991 (and (equal comp string)
|
|
|
992 (or (null minibuffer-completion-predicate)
|
|
|
993 (stringp
|
|
|
994 minibuffer-completion-predicate) ; ???
|
|
|
995 (funcall minibuffer-completion-predicate
|
|
|
996 (if (vectorp
|
|
|
997 minibuffer-completion-table)
|
|
|
998 (intern-soft
|
|
|
999 string
|
|
|
1000 minibuffer-completion-table)
|
|
|
1001 string))))
|
|
|
1002 (goto-char p))))))))))
|
|
|
1003
|
|
|
1004 (defun minibuffer-smart-select-kludge-filename (string)
|
|
|
1005 (save-excursion
|
|
|
1006 (set-buffer mouse-grabbed-buffer) ; the minibuf
|
|
2
|
1007 (let ((kludge-string (concat (buffer-string) string)))
|
|
0
|
1008 (if (or (and (fboundp 'ange-ftp-ftp-path)
|
|
|
1009 (ange-ftp-ftp-path kludge-string))
|
|
|
1010 (and (fboundp 'efs-ftp-path) (efs-ftp-path kludge-string)))
|
|
|
1011 ;; #### evil evil evil, but more so.
|
|
|
1012 string
|
|
|
1013 (append-expand-filename (buffer-string) string)))))
|
|
|
1014
|
|
|
1015 (defun minibuffer-smart-select-highlighted-completion (event)
|
|
|
1016 "Select the highlighted text under the mouse as a minibuffer response.
|
|
|
1017 When the minibuffer is being used to prompt the user for a completion,
|
|
|
1018 any valid completions which are visible on the frame will highlight
|
|
|
1019 when the mouse moves over them. Clicking \\<minibuffer-local-map>\
|
|
|
1020 \\[minibuffer-smart-select-highlighted-completion] will select the
|
|
|
1021 highlighted completion under the mouse.
|
|
|
1022
|
|
2
|
1023 If the mouse is clicked while not over a highlighted completion,
|
|
0
|
1024 then the global binding of \\[minibuffer-smart-select-highlighted-completion] \
|
|
|
1025 will be executed instead. In this\nway you can get at the normal global \
|
|
|
1026 behavior of \\[minibuffer-smart-select-highlighted-completion] as well as
|
|
|
1027 the special minibuffer behavior."
|
|
|
1028 (interactive "e")
|
|
|
1029 (if minibuffer-smart-completion-tracking-behavior
|
|
|
1030 (minibuffer-smart-select-highlighted-completion-1 event t)
|
|
|
1031 (let ((command (lookup-key global-map
|
|
|
1032 (vector current-mouse-event))))
|
|
|
1033 (if command (call-interactively command)))))
|
|
|
1034
|
|
|
1035 (defun minibuffer-smart-select-highlighted-completion-1 (event global-p)
|
|
|
1036 (let* ((filename-kludge-p (eq minibuffer-completion-table
|
|
|
1037 'read-file-name-internal))
|
|
|
1038 completion
|
|
|
1039 command-p
|
|
|
1040 (evpoint (event-point event))
|
|
|
1041 (evextent (and evpoint (extent-at evpoint (event-buffer event)
|
|
|
1042 'list-mode-item))))
|
|
|
1043 (if evextent
|
|
|
1044 ;; avoid conflict with display-completion-list extents.
|
|
|
1045 ;; if we find one, do that behavior instead.
|
|
|
1046 (list-mode-item-selected-1 evextent event)
|
|
|
1047 (save-excursion
|
|
|
1048 (let* ((buffer (window-buffer (event-window event)))
|
|
|
1049 (p (event-point event))
|
|
|
1050 (extent (and p (extent-at p buffer 'mouse-face))))
|
|
|
1051 (set-buffer buffer)
|
|
|
1052 (if (not (and (extent-live-p extent)
|
|
|
1053 (eq (extent-object extent) (current-buffer))
|
|
|
1054 (not (extent-detached-p extent))))
|
|
|
1055 (setq command-p t)
|
|
|
1056 ;; ...else user has selected a highlighted completion.
|
|
|
1057 (setq completion
|
|
|
1058 (buffer-substring (extent-start-position extent)
|
|
|
1059 (extent-end-position extent)))
|
|
|
1060 (if filename-kludge-p
|
|
|
1061 (setq completion (minibuffer-smart-select-kludge-filename
|
|
|
1062 completion)))
|
|
|
1063 ;; remove the extent so that it's not hanging around in
|
|
|
1064 ;; *Completions*
|
|
|
1065 (detach-extent extent)
|
|
|
1066 (set-buffer mouse-grabbed-buffer)
|
|
|
1067 (erase-buffer)
|
|
|
1068 (insert completion))))
|
|
|
1069 ;; we need to execute the command or do the throw outside of the
|
|
|
1070 ;; save-excursion.
|
|
|
1071 (cond ((and command-p global-p)
|
|
|
1072 (let ((command (lookup-key global-map
|
|
|
1073 (vector current-mouse-event))))
|
|
|
1074 (if command
|
|
|
1075 (call-interactively command)
|
|
|
1076 (if minibuffer-completion-table
|
|
|
1077 (error
|
|
|
1078 "Highlighted words are valid completions. You may select one.")
|
|
|
1079 (error "no completions")))))
|
|
|
1080 ((not command-p)
|
|
|
1081 ;; things get confused if the minibuffer is terminated while
|
|
|
1082 ;; not selected.
|
|
|
1083 (select-window (minibuffer-window))
|
|
|
1084 (if (and filename-kludge-p (file-directory-p completion))
|
|
|
1085 ;; if the user clicked middle on a directory name, display the
|
|
|
1086 ;; files in that directory.
|
|
|
1087 (progn
|
|
|
1088 (goto-char (point-max))
|
|
|
1089 (minibuffer-completion-help))
|
|
|
1090 ;; otherwise, terminate input
|
|
|
1091 (throw 'exit nil)))))))
|
|
|
1092
|
|
|
1093 (defun minibuffer-smart-maybe-select-highlighted-completion
|
|
|
1094 (event &optional click-count)
|
|
|
1095 "Like minibuffer-smart-select-highlighted-completion but does nothing if
|
|
|
1096 there is no completion (as opposed to executing the global binding). Useful
|
|
|
1097 as the value of `mouse-track-click-hook'."
|
|
|
1098 (interactive "e")
|
|
|
1099 (minibuffer-smart-select-highlighted-completion-1 event nil))
|
|
|
1100
|
|
|
1101 (define-key minibuffer-local-map 'button2
|
|
|
1102 'minibuffer-smart-select-highlighted-completion)
|
|
|
1103
|
|
|
1104
|
|
|
1105 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
1106 ;;;; Minibuffer History ;;;;
|
|
|
1107 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
1108
|
|
|
1109 (defvar minibuffer-history '()
|
|
|
1110 "Default minibuffer history list.
|
|
|
1111 This is used for all minibuffer input except when an alternate history
|
|
|
1112 list is specified.")
|
|
|
1113
|
|
|
1114 ;; Some other history lists:
|
|
|
1115 ;;
|
|
|
1116 (defvar minibuffer-history-search-history '())
|
|
|
1117 (defvar function-history '())
|
|
|
1118 (defvar variable-history '())
|
|
|
1119 (defvar buffer-history '())
|
|
|
1120 (defvar shell-command-history '())
|
|
|
1121 (defvar file-name-history '())
|
|
|
1122
|
|
|
1123 (defvar read-expression-history nil)
|
|
|
1124
|
|
|
1125 (defvar minibuffer-history-sexp-flag nil ;weird FSF Emacs kludge
|
|
|
1126 "Non-nil when doing history operations on `command-history'.
|
|
|
1127 More generally, indicates that the history list being acted on
|
|
|
1128 contains expressions rather than strings.")
|
|
|
1129
|
|
|
1130 (defun previous-matching-history-element (regexp n)
|
|
|
1131 "Find the previous history element that matches REGEXP.
|
|
|
1132 \(Previous history elements refer to earlier actions.)
|
|
|
1133 With prefix argument N, search for Nth previous match.
|
|
|
1134 If N is negative, find the next or Nth next match."
|
|
|
1135 (interactive
|
|
|
1136 (let ((enable-recursive-minibuffers t)
|
|
|
1137 (minibuffer-history-sexp-flag nil))
|
|
|
1138 (if (eq 't (symbol-value minibuffer-history-variable))
|
|
|
1139 (error "history is not being recorded in this context"))
|
|
|
1140 (list (read-from-minibuffer "Previous element matching (regexp): "
|
|
|
1141 (car minibuffer-history-search-history)
|
|
|
1142 minibuffer-local-map
|
|
|
1143 nil
|
|
|
1144 'minibuffer-history-search-history)
|
|
|
1145 (prefix-numeric-value current-prefix-arg))))
|
|
|
1146 (let ((history (symbol-value minibuffer-history-variable))
|
|
|
1147 prevpos
|
|
|
1148 (pos minibuffer-history-position))
|
|
|
1149 (if (eq history t)
|
|
|
1150 (error "history is not being recorded in this context"))
|
|
|
1151 (while (/= n 0)
|
|
|
1152 (setq prevpos pos)
|
|
|
1153 (setq pos (min (max 1 (+ pos (if (< n 0) -1 1))) (length history)))
|
|
|
1154 (if (= pos prevpos)
|
|
|
1155 (if (= pos 1) ;; rewritten for I18N3 snarfing
|
|
|
1156 (error "No later matching history item")
|
|
|
1157 (error "No earlier matching history item")))
|
|
|
1158 (if (string-match regexp
|
|
|
1159 (if minibuffer-history-sexp-flag
|
|
|
1160 (let ((print-level nil))
|
|
|
1161 (prin1-to-string (nth (1- pos) history)))
|
|
|
1162 (nth (1- pos) history)))
|
|
|
1163 (setq n (+ n (if (< n 0) 1 -1)))))
|
|
|
1164 (setq minibuffer-history-position pos)
|
|
|
1165 (erase-buffer)
|
|
|
1166 (let ((elt (nth (1- pos) history)))
|
|
|
1167 (insert (if minibuffer-history-sexp-flag
|
|
|
1168 (let ((print-level nil))
|
|
|
1169 (prin1-to-string elt))
|
|
|
1170 elt)))
|
|
|
1171 (goto-char (point-min)))
|
|
|
1172 (if (or (eq (car (car command-history)) 'previous-matching-history-element)
|
|
|
1173 (eq (car (car command-history)) 'next-matching-history-element))
|
|
|
1174 (setq command-history (cdr command-history))))
|
|
|
1175
|
|
|
1176 (defun next-matching-history-element (regexp n)
|
|
|
1177 "Find the next history element that matches REGEXP.
|
|
|
1178 \(The next history element refers to a more recent action.)
|
|
|
1179 With prefix argument N, search for Nth next match.
|
|
|
1180 If N is negative, find the previous or Nth previous match."
|
|
|
1181 (interactive
|
|
|
1182 (let ((enable-recursive-minibuffers t)
|
|
|
1183 (minibuffer-history-sexp-flag nil))
|
|
|
1184 (if (eq t (symbol-value minibuffer-history-variable))
|
|
|
1185 (error "history is not being recorded in this context"))
|
|
|
1186 (list (read-from-minibuffer "Next element matching (regexp): "
|
|
|
1187 (car minibuffer-history-search-history)
|
|
|
1188 minibuffer-local-map
|
|
|
1189 nil
|
|
|
1190 'minibuffer-history-search-history)
|
|
|
1191 (prefix-numeric-value current-prefix-arg))))
|
|
|
1192 (previous-matching-history-element regexp (- n)))
|
|
|
1193
|
|
|
1194 (defun next-history-element (n)
|
|
|
1195 "Insert the next element of the minibuffer history into the minibuffer."
|
|
|
1196 (interactive "p")
|
|
|
1197 (if (eq 't (symbol-value minibuffer-history-variable))
|
|
|
1198 (error "history is not being recorded in this context"))
|
|
|
1199 (or (zerop n)
|
|
|
1200 (let ((narg (min (max 1 (- minibuffer-history-position n))
|
|
|
1201 (length (symbol-value minibuffer-history-variable)))))
|
|
|
1202 (if (or (zerop narg)
|
|
|
1203 (= minibuffer-history-position narg))
|
|
|
1204 (error (if (>= n 0) ;; rewritten for I18N3 snarfing
|
|
|
1205 (format "No following item in %s"
|
|
|
1206 minibuffer-history-variable)
|
|
|
1207 (format "No preceding item in %s"
|
|
|
1208 minibuffer-history-variable)))
|
|
|
1209 (erase-buffer)
|
|
|
1210 (setq minibuffer-history-position narg)
|
|
|
1211 (let ((elt (nth (1- minibuffer-history-position)
|
|
|
1212 (symbol-value minibuffer-history-variable))))
|
|
|
1213 (insert
|
|
74
|
1214 (if (not (stringp elt))
|
|
0
|
1215 (let ((print-level nil))
|
|
|
1216 (condition-case nil
|
|
|
1217 (let ((print-readably t)
|
|
|
1218 (print-escape-newlines t))
|
|
|
1219 (prin1-to-string elt))
|
|
|
1220 (error (prin1-to-string elt))))
|
|
|
1221 elt)))
|
|
|
1222 ;; FSF has point-min here.
|
|
|
1223 (goto-char (point-max))))))
|
|
|
1224
|
|
|
1225 (defun previous-history-element (n)
|
|
|
1226 "Inserts the previous element of the minibuffer history into the minibuffer."
|
|
|
1227 (interactive "p")
|
|
|
1228 (next-history-element (- n)))
|
|
|
1229
|
|
|
1230 (defun next-complete-history-element (n)
|
|
|
1231 "Get next element of history which is a completion of minibuffer contents."
|
|
|
1232 (interactive "p")
|
|
|
1233 (let ((point-at-start (point)))
|
|
|
1234 (next-matching-history-element
|
|
|
1235 (concat "^" (regexp-quote (buffer-substring (point-min) (point)))) n)
|
|
|
1236 ;; next-matching-history-element always puts us at (point-min).
|
|
|
1237 ;; Move to the position we were at before changing the buffer contents.
|
|
|
1238 ;; This is still sensical, because the text before point has not changed.
|
|
|
1239 (goto-char point-at-start)))
|
|
|
1240
|
|
|
1241 (defun previous-complete-history-element (n)
|
|
|
1242 "Get previous element of history which is a completion of minibuffer contents."
|
|
|
1243 (interactive "p")
|
|
|
1244 (next-complete-history-element (- n)))
|
|
|
1245
|
|
|
1246
|
|
|
1247 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
1248 ;;;; reading various things from a minibuffer ;;;;
|
|
|
1249 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
1250
|
|
|
1251 (defun read-expression (prompt &optional initial-contents history)
|
|
|
1252 "Return a Lisp object read using the minibuffer.
|
|
|
1253 Prompt with PROMPT. If non-nil, optional second arg INITIAL-CONTENTS
|
|
|
1254 is a string to insert in the minibuffer before reading.
|
|
|
1255 Third arg HISTORY, if non-nil, specifies a history list."
|
|
|
1256 (let ((minibuffer-history-sexp-flag t)
|
|
|
1257 ;; Semi-kludge to get around M-x C-x o M-ESC trying to do completion.
|
|
|
1258 (minibuffer-completion-table nil))
|
|
|
1259 (read-from-minibuffer prompt
|
|
|
1260 initial-contents
|
|
|
1261 read-expression-map
|
|
|
1262 t
|
|
|
1263 (or history 'read-expression-history)
|
|
|
1264 lisp-mode-abbrev-table)))
|
|
|
1265
|
|
|
1266 (defun read-string (prompt &optional initial-contents history)
|
|
|
1267 "Return a string from the minibuffer, prompting with string PROMPT.
|
|
|
1268 If non-nil, optional second arg INITIAL-CONTENTS is a string to insert
|
|
|
1269 in the minibuffer before reading.
|
|
|
1270 Third arg HISTORY, if non-nil, specifies a history list."
|
|
|
1271 (let ((minibuffer-completion-table nil))
|
|
|
1272 (read-from-minibuffer prompt
|
|
|
1273 initial-contents
|
|
|
1274 minibuffer-local-map
|
|
|
1275 nil history)))
|
|
|
1276
|
|
|
1277 (defun eval-minibuffer (prompt &optional initial-contents history)
|
|
|
1278 "Return value of Lisp expression read using the minibuffer.
|
|
|
1279 Prompt with PROMPT. If non-nil, optional second arg INITIAL-CONTENTS
|
|
|
1280 is a string to insert in the minibuffer before reading.
|
|
|
1281 Third arg HISTORY, if non-nil, specifies a history list."
|
|
|
1282 (eval (read-expression prompt initial-contents history)))
|
|
|
1283
|
|
|
1284 ;;;#### Screw this crock!!
|
|
|
1285 ;(defun read-no-blanks-input (prompt &optional initial-contents)
|
|
|
1286 ; "Read a string from the terminal, not allowing blanks.
|
|
|
1287 ;Prompt with PROMPT. If non-nil, optional second arg INITIAL-CONTENTS
|
|
|
1288 ;is a string to insert in the minibuffer before reading."
|
|
|
1289 ; (let ((minibuffer-completion-table nil))
|
|
|
1290 ; (read-from-minibuffer prompt
|
|
|
1291 ; initial-contents
|
|
|
1292 ; minibuffer-local-ns-map
|
|
|
1293 ; nil)))
|
|
|
1294
|
|
|
1295 ;; The name `command-history' is already taken
|
|
|
1296 (defvar read-command-history '())
|
|
|
1297
|
|
|
1298 (defun read-command (prompt)
|
|
|
1299 "Read the name of a command and return as a symbol.
|
|
|
1300 Prompts with PROMPT."
|
|
|
1301 (intern (completing-read prompt obarray 'commandp t nil
|
|
|
1302 ;; 'command-history is not right here: that's a
|
|
|
1303 ;; list of evalable forms, not a history list.
|
|
|
1304 'read-command-history
|
|
|
1305 )))
|
|
|
1306
|
|
|
1307 (defun read-function (prompt)
|
|
|
1308 "Read the name of a function and return as a symbol.
|
|
|
1309 Prompts with PROMPT."
|
|
|
1310 (intern (completing-read prompt obarray 'fboundp t nil
|
|
|
1311 'function-history)))
|
|
|
1312
|
|
|
1313 (defun read-variable (prompt)
|
|
|
1314 "Read the name of a user variable and return it as a symbol.
|
|
|
1315 Prompts with PROMPT.
|
|
|
1316 A user variable is one whose documentation starts with a `*' character."
|
|
|
1317 (intern (completing-read prompt obarray 'user-variable-p t nil
|
|
|
1318 'variable-history)))
|
|
|
1319
|
|
|
1320 (defun read-buffer (prompt &optional default require-match)
|
|
|
1321 "Read the name of a buffer and return as a string.
|
|
|
1322 Prompts with PROMPT. Optional second arg DEFAULT is value to return if user
|
|
|
1323 enters an empty line. If optional third arg REQUIRE-MATCH is non-nil,
|
|
|
1324 only existing buffer names are allowed."
|
|
|
1325 (let ((prompt (if default
|
|
|
1326 (format "%s(default %s) "
|
|
|
1327 (gettext prompt) (if (bufferp default)
|
|
|
1328 (buffer-name default)
|
|
|
1329 default))
|
|
|
1330 prompt))
|
|
|
1331 (alist (mapcar #'(lambda (b) (cons (buffer-name b) b))
|
|
|
1332 (buffer-list)))
|
|
|
1333 result)
|
|
|
1334 (while (progn
|
|
|
1335 (setq result (completing-read prompt alist nil require-match
|
|
|
1336 nil 'buffer-history))
|
|
|
1337 (cond ((not (equal result ""))
|
|
|
1338 nil)
|
|
|
1339 ((not require-match)
|
|
|
1340 (setq result default)
|
|
|
1341 nil)
|
|
|
1342 ((not default)
|
|
|
1343 t)
|
|
|
1344 ((not (get-buffer default))
|
|
|
1345 t)
|
|
|
1346 (t
|
|
|
1347 (setq result default)
|
|
|
1348 nil))))
|
|
|
1349 (if (bufferp result)
|
|
|
1350 (buffer-name result)
|
|
|
1351 result)))
|
|
|
1352
|
|
|
1353 (defun read-number (prompt &optional integers-only)
|
|
|
1354 "Reads a number from the minibuffer."
|
|
|
1355 (let ((pred (if integers-only 'integerp 'numberp))
|
|
|
1356 num)
|
|
|
1357 (while (not (funcall pred num))
|
|
|
1358 (setq num (condition-case ()
|
|
|
1359 (let ((minibuffer-completion-table nil))
|
|
|
1360 (read-from-minibuffer
|
|
|
1361 prompt (if num (prin1-to-string num)) nil t
|
|
|
1362 t)) ;no history
|
|
|
1363 (invalid-read-syntax nil)
|
|
|
1364 (end-of-file nil)))
|
|
|
1365 (or (funcall pred num) (beep)))
|
|
|
1366 num))
|
|
|
1367
|
|
|
1368 (defun read-shell-command (prompt &optional initial-input history)
|
|
|
1369 "Just like read-string, but uses read-shell-command-map:
|
|
|
1370 \\{read-shell-command-map}"
|
|
|
1371 (let ((minibuffer-completion-table nil))
|
|
|
1372 (read-from-minibuffer prompt initial-input read-shell-command-map
|
|
|
1373 nil (or history 'shell-command-history))))
|
|
|
1374
|
|
|
1375
|
|
|
1376 ;;; This read-file-name stuff probably belongs in files.el
|
|
|
1377
|
|
|
1378 ;; Quote "$" as "$$" to get it past substitute-in-file-name
|
|
|
1379 (defun un-substitute-in-file-name (string)
|
|
|
1380 (let ((regexp "\\$")
|
|
|
1381 (olen (length string))
|
|
|
1382 new
|
|
|
1383 n o ch)
|
|
|
1384 (cond ((eq system-type 'vax-vms)
|
|
|
1385 string)
|
|
|
1386 ((not (string-match regexp string))
|
|
|
1387 string)
|
|
|
1388 (t
|
|
|
1389 (setq n 1)
|
|
|
1390 (while (string-match regexp string (match-end 0))
|
|
|
1391 (setq n (1+ n)))
|
|
|
1392 (setq new (make-string (+ olen n) ?$))
|
|
|
1393 (setq n 0 o 0)
|
|
|
1394 (while (< o olen)
|
|
|
1395 (setq ch (aref string o))
|
|
|
1396 (aset new n ch)
|
|
|
1397 (setq o (1+ o) n (1+ n))
|
|
|
1398 (if (eq ch ?$)
|
|
|
1399 ;; already aset by make-string initial-value
|
|
|
1400 (setq n (1+ n))))
|
|
|
1401 new))))
|
|
|
1402
|
|
|
1403 (defun read-file-name-2 (history prompt dir default
|
|
|
1404 must-match initial-contents
|
|
|
1405 completer)
|
|
|
1406 (if (not dir)
|
|
|
1407 (setq dir default-directory))
|
|
|
1408 (setq dir (abbreviate-file-name dir t))
|
|
|
1409 (let* ((insert (cond ((and (not insert-default-directory)
|
|
|
1410 (not initial-contents))
|
|
|
1411 "")
|
|
|
1412 (initial-contents
|
|
|
1413 (cons (un-substitute-in-file-name
|
|
|
1414 (concat dir initial-contents))
|
|
|
1415 (length dir)))
|
|
|
1416 (t
|
|
|
1417 (un-substitute-in-file-name dir))))
|
|
|
1418 (val (let ((completion-ignore-case (or completion-ignore-case
|
|
|
1419 (eq system-type 'vax-vms))))
|
|
|
1420 ;; Hateful, broken, case-sensitive un*x
|
|
|
1421 ;;; (completing-read prompt
|
|
|
1422 ;;; completer
|
|
|
1423 ;;; dir
|
|
|
1424 ;;; must-match
|
|
|
1425 ;;; insert
|
|
|
1426 ;;; history)
|
|
|
1427 ;; #### - this is essentially the guts of completing read.
|
|
|
1428 ;; There should be an elegant way to pass a pair of keymaps to
|
|
|
1429 ;; completing read, but this will do for now. All sins are
|
|
|
1430 ;; relative. --Stig
|
|
|
1431 (let ((minibuffer-completion-table completer)
|
|
|
1432 (minibuffer-completion-predicate dir)
|
|
|
1433 (minibuffer-completion-confirm (if (eq must-match 't)
|
|
|
1434 nil t))
|
|
|
1435 (last-exact-completion nil))
|
|
|
1436 (read-from-minibuffer prompt
|
|
|
1437 insert
|
|
|
1438 (if (not must-match)
|
|
|
1439 read-file-name-map
|
|
|
1440 read-file-name-must-match-map)
|
|
|
1441 nil
|
|
|
1442 history)))
|
|
|
1443 ))
|
|
|
1444 ;;; ;; Kludge! Put "/foo/bar" on history rather than "/default//foo/bar"
|
|
|
1445 ;;; (let ((hist (cond ((not history) 'minibuffer-history)
|
|
|
1446 ;;; ((consp history) (car history))
|
|
|
1447 ;;; (t history))))
|
|
|
1448 ;;; (if (and val
|
|
|
1449 ;;; hist
|
|
|
1450 ;;; (not (eq hist 't))
|
|
|
1451 ;;; (boundp hist)
|
|
|
1452 ;;; (equal (car-safe (symbol-value hist)) val))
|
|
|
1453 ;;; (let ((e (condition-case nil
|
|
|
1454 ;;; (expand-file-name val)
|
|
|
1455 ;;; (error nil))))
|
|
|
1456 ;;; (if (and e (not (equal e val)))
|
|
|
1457 ;;; (set hist (cons e (cdr (symbol-value hist))))))))
|
|
|
1458
|
|
|
1459 (cond ((not val)
|
|
|
1460 (error "No file name specified"))
|
|
|
1461 ((and default
|
|
|
1462 (equal val (if (consp insert) (car insert) insert)))
|
|
|
1463 default)
|
|
|
1464 (t
|
|
|
1465 (substitute-in-file-name val)))))
|
|
|
1466
|
|
|
1467 ;; #### this function should use minibuffer-completion-table
|
|
|
1468 ;; or something. But that is sloooooow.
|
|
|
1469 ;; #### all this shit needs better documentation!!!!!!!!
|
|
|
1470 (defun read-file-name-activate-callback (event extent dir-p)
|
|
|
1471 ;; used as the activate-callback of the filename list items
|
|
|
1472 ;; in the completion buffer, in place of default-choose-completion.
|
|
|
1473 ;; if a regular file was selected, we call default-choose-completion
|
|
|
1474 ;; (which just inserts the string in the minibuffer and calls
|
|
|
1475 ;; exit-minibuffer). If a directory was selected, we display
|
|
|
1476 ;; the contents of the directory.
|
|
|
1477 (let* ((file (extent-string extent))
|
|
|
1478 (completion-buf (extent-object extent))
|
|
|
1479 (minibuf (symbol-value-in-buffer 'completion-reference-buffer
|
|
|
1480 completion-buf))
|
|
|
1481 (in-dir (file-name-directory (buffer-substring nil nil minibuf)))
|
|
|
1482 (full (expand-file-name file in-dir)))
|
|
|
1483 (if (not (file-directory-p full))
|
|
|
1484 (default-choose-completion event extent minibuf)
|
|
|
1485 (erase-buffer minibuf)
|
|
|
1486 (insert-string (file-name-as-directory
|
|
|
1487 (abbreviate-file-name full t)) minibuf)
|
|
|
1488 (reset-buffer completion-buf)
|
|
|
1489 (let ((standard-output completion-buf))
|
|
|
1490 (display-completion-list
|
|
|
1491 (delete "." (directory-files full nil nil nil (if dir-p 'directory)))
|
|
|
1492 :user-data dir-p
|
|
|
1493 :reference-buffer minibuf
|
|
|
1494 :activate-callback 'read-file-name-activate-callback)
|
|
|
1495 (goto-char (point-min) completion-buf)))))
|
|
|
1496
|
|
|
1497 (defun read-file-name-1 (history prompt dir default
|
|
|
1498 must-match initial-contents
|
|
|
1499 completer)
|
|
|
1500 (if (should-use-dialog-box-p)
|
|
|
1501 ;; this calls read-file-name-2
|
|
|
1502 (mouse-read-file-name-1 history prompt dir default must-match
|
|
|
1503 initial-contents completer)
|
|
|
1504 (let ((rfhookfun
|
|
|
1505 (lambda ()
|
|
|
1506 (set
|
|
|
1507 (make-local-variable
|
|
|
1508 'completion-display-completion-list-function)
|
|
|
1509 #'(lambda (completions)
|
|
|
1510 (display-completion-list
|
|
|
1511 completions
|
|
|
1512 :user-data (not (eq completer 'read-file-name-internal))
|
|
|
1513 :activate-callback
|
|
|
1514 'read-file-name-activate-callback)))
|
|
|
1515 ;; kludge!
|
|
|
1516 (remove-hook 'minibuffer-setup-hook rfhookfun)
|
|
|
1517 )))
|
|
|
1518 (unwind-protect
|
|
|
1519 (progn
|
|
|
1520 (add-hook 'minibuffer-setup-hook rfhookfun)
|
|
|
1521 (read-file-name-2 history prompt dir default must-match
|
|
|
1522 initial-contents completer))
|
|
|
1523 (remove-hook 'minibuffer-setup-hook rfhookfun)))))
|
|
|
1524
|
|
|
1525 (defun read-file-name (prompt
|
|
|
1526 &optional dir default must-match initial-contents
|
|
|
1527 history)
|
|
|
1528 "Read file name, prompting with PROMPT and completing in directory DIR.
|
|
|
1529 This will prompt with a dialog box if appropriate, according to
|
|
|
1530 `should-use-dialog-box-p'.
|
|
|
1531 Value is not expanded---you must call `expand-file-name' yourself.
|
|
|
1532 Value is subject to interpreted by substitute-in-file-name however.
|
|
|
1533 Default name to DEFAULT if user enters a null string.
|
|
|
1534 (If DEFAULT is omitted, the visited file name is used,
|
|
|
1535 except that if INITIAL-CONTENTS is specified, that combined with DIR is
|
|
|
1536 used.)
|
|
|
1537 Fourth arg MUST-MATCH non-nil means require existing file's name.
|
|
|
1538 Non-nil and non-t means also require confirmation after completion.
|
|
|
1539 Fifth arg INITIAL-CONTENTS specifies text to start with.
|
|
|
1540 Sixth arg HISTORY specifies the history list to use. Default is
|
|
|
1541 `file-name-history'.
|
|
|
1542 DIR defaults to current buffer's directory default."
|
|
|
1543 (read-file-name-1
|
|
|
1544 (or history 'file-name-history)
|
|
|
1545 prompt dir (or default
|
|
|
1546 (if initial-contents (expand-file-name initial-contents dir)
|
|
|
1547 buffer-file-name))
|
|
|
1548 must-match initial-contents
|
|
|
1549 ;; A separate function (not an anonymous lambda-expression)
|
|
|
1550 ;; and passed as a symbol because of disgusting kludges in various
|
|
|
1551 ;; places which do stuff like (let ((filename-kludge-p (eq minibuffer-completion-table 'read-file-name-internal))) ...)
|
|
|
1552 'read-file-name-internal))
|
|
|
1553
|
|
|
1554 (defun read-directory-name (prompt
|
|
|
1555 &optional dir default must-match initial-contents)
|
|
|
1556 "Read directory name, prompting with PROMPT and completing in directory DIR.
|
|
|
1557 This will prompt with a dialog box if appropriate, according to
|
|
|
1558 `should-use-dialog-box-p'.
|
|
|
1559 Value is not expanded---you must call `expand-file-name' yourself.
|
|
|
1560 Value is subject to interpreted by substitute-in-file-name however.
|
|
|
1561 Default name to DEFAULT if user enters a null string.
|
|
|
1562 (If DEFAULT is omitted, the current buffer's default directory is used.)
|
|
|
1563 Fourth arg MUST-MATCH non-nil means require existing directory's name.
|
|
|
1564 Non-nil and non-t means also require confirmation after completion.
|
|
|
1565 Fifth arg INITIAL-CONTENTS specifies text to start with.
|
|
|
1566 Sixth arg HISTORY specifies the history list to use. Default is
|
|
|
1567 `file-name-history'.
|
|
|
1568 DIR defaults to current buffer's directory default."
|
|
|
1569 (read-file-name-1
|
|
|
1570 'file-name-history
|
|
|
1571 prompt dir (or default default-directory) must-match initial-contents
|
|
|
1572 'read-directory-name-internal))
|
|
|
1573
|
|
|
1574
|
|
|
1575 ;; Environment-variable completion hack
|
|
|
1576 (defun read-file-name-internal-1 (string dir action completer)
|
|
|
1577 (if (not (string-match
|
|
|
1578 "\\([^$]\\|\\`\\)\\(\\$\\$\\)*\\$\\([A-Za-z0-9_]*\\|{[^}]*\\)\\'"
|
|
|
1579 string))
|
|
|
1580 ;; Not doing environment-variable completion hack
|
|
|
1581 (let* ((orig (if (equal string "") nil string))
|
|
|
1582 (sstring (if orig (substitute-in-file-name string) string))
|
|
|
1583 (specdir (if orig (file-name-directory sstring) nil)))
|
|
|
1584 (funcall completer
|
|
|
1585 action
|
|
|
1586 orig
|
|
|
1587 sstring
|
|
|
1588 specdir
|
|
|
1589 (if specdir (expand-file-name specdir dir) dir)
|
|
|
1590 (if orig (file-name-nondirectory sstring) string)))
|
|
|
1591 ;; An odd number of trailing $'s
|
|
|
1592 (let* ((start (match-beginning 3))
|
|
|
1593 (env (substring string
|
|
|
1594 (cond ((= start (length string))
|
|
|
1595 ;; "...$"
|
|
|
1596 start)
|
|
|
1597 ((= (aref string start) ?{)
|
|
|
1598 ;; "...${..."
|
|
|
1599 (1+ start))
|
|
|
1600 (t
|
|
|
1601 start))))
|
|
|
1602 (head (substring string 0 (1- start)))
|
|
|
1603 (alist #'(lambda ()
|
|
|
1604 (mapcar #'(lambda (x)
|
|
|
1605 (cons (substring x 0 (string-match "=" x))
|
|
|
1606 'nil))
|
|
|
1607 process-environment))))
|
|
|
1608
|
|
|
1609 (cond ((eq action 'lambda)
|
|
|
1610 nil)
|
|
|
1611 ((eq action 't)
|
|
|
1612 ;; all completions
|
|
|
1613 (mapcar #'(lambda (p)
|
|
|
1614 (if (and (> (length p) 0)
|
|
|
1615 ;;#### Unix-specific
|
|
|
1616 ;;#### -- need absolute-pathname-p
|
|
|
1617 (/= (aref p 0) ?/))
|
|
|
1618 (concat "$" p)
|
|
|
1619 (concat head "$" p)))
|
|
|
1620 (all-completions env (funcall alist))))
|
|
|
1621 (t ;; 'nil
|
|
|
1622 ;; complete
|
|
|
1623 (let* ((e (funcall alist))
|
|
|
1624 (val (try-completion env e)))
|
|
|
1625 (cond ((stringp val)
|
|
|
1626 (if (string-match "[^A-Za-z0-9_]" val)
|
|
|
1627 (concat head
|
|
|
1628 "${" val
|
|
|
1629 ;; completed uniquely?
|
|
|
1630 (if (eq (try-completion val e) 't)
|
|
|
1631 "}" ""))
|
|
|
1632 (concat head "$" val)))
|
|
|
1633 ((eql val 't)
|
|
|
1634 (concat head
|
|
|
1635 (un-substitute-in-file-name (getenv env))))
|
|
|
1636 (t nil))))))))
|
|
|
1637
|
|
|
1638
|
|
|
1639 (defun read-file-name-internal (string dir action)
|
|
|
1640 (read-file-name-internal-1
|
|
|
1641 string dir action
|
|
|
1642 #'(lambda (action orig string specdir dir name)
|
|
|
1643 (cond ((eq action 'lambda)
|
|
|
1644 (if (not orig)
|
|
|
1645 nil
|
|
|
1646 (let ((sstring (condition-case nil
|
|
|
1647 (expand-file-name string)
|
|
|
1648 (error nil))))
|
|
|
1649 (if (not sstring)
|
|
|
1650 ;; Some pathname syntax error in string
|
|
|
1651 nil
|
|
|
1652 (file-exists-p sstring)))))
|
|
|
1653 ((eq action 't)
|
|
|
1654 ;; all completions
|
|
|
1655 (mapcar #'un-substitute-in-file-name
|
|
|
1656 (file-name-all-completions name dir)))
|
|
|
1657 (t;; 'nil
|
|
|
1658 ;; complete
|
|
|
1659 (let* ((d (or dir default-directory))
|
|
|
1660 (val (file-name-completion name d)))
|
|
|
1661 (if (and (eq val 't)
|
|
|
1662 (not (null completion-ignored-extensions)))
|
|
|
1663 ;;#### (file-name-completion "foo") returns 't
|
|
|
1664 ;; when both "foo" and "foo~" exist and the latter
|
|
|
1665 ;; is "pruned" by completion-ignored-extensions.
|
|
|
1666 ;; I think this is a bug in file-name-completion.
|
|
|
1667 (setq val (let ((completion-ignored-extensions '()))
|
|
|
1668 (file-name-completion name d))))
|
|
|
1669 (if (stringp val)
|
|
|
1670 (un-substitute-in-file-name (if specdir
|
|
|
1671 (concat specdir val)
|
|
|
1672 val))
|
|
|
1673 (let ((tem (un-substitute-in-file-name string)))
|
|
|
1674 (if (not (equal tem orig))
|
|
|
1675 ;; substitute-in-file-name did something
|
|
|
1676 tem
|
|
|
1677 val)))))))))
|
|
|
1678
|
|
|
1679 (defun read-directory-name-internal (string dir action)
|
|
|
1680 (read-file-name-internal-1
|
|
|
1681 string dir action
|
|
|
1682 #'(lambda (action orig string specdir dir name)
|
|
|
1683 (let* ((dirs #'(lambda (fn)
|
|
|
1684 (let ((l (if (equal name "")
|
|
|
1685 (directory-files
|
|
|
1686 dir
|
|
|
1687 nil
|
|
|
1688 ""
|
|
|
1689 nil
|
|
|
1690 'directories)
|
|
|
1691 (directory-files
|
|
|
1692 dir
|
|
|
1693 nil
|
|
|
1694 (concat "\\`" (regexp-quote name))
|
|
|
1695 nil
|
|
|
1696 'directories))))
|
|
|
1697 (mapcar fn
|
|
|
1698 (cond ((eq system-type 'vax-vms)
|
|
|
1699 l)
|
|
|
1700 (t
|
|
|
1701 ;; Wretched unix
|
|
|
1702 (delete "." l))))))))
|
|
|
1703 (cond ((eq action 'lambda)
|
|
|
1704 ;; complete?
|
|
|
1705 (if (not orig)
|
|
|
1706 nil
|
|
70
|
1707 (and (file-directory-p string)
|
|
|
1708 ;; So "foo" is ambiguous between "foo/" and "foobar/"
|
|
|
1709 (equal string (file-name-as-directory string)))))
|
|
0
|
1710 ((eq action 't)
|
|
|
1711 ;; all completions
|
|
|
1712 (funcall dirs #'(lambda (n)
|
|
|
1713 (un-substitute-in-file-name
|
|
|
1714 (file-name-as-directory n)))))
|
|
|
1715 (t
|
|
|
1716 ;; complete
|
|
|
1717 (let ((val (try-completion
|
|
|
1718 name
|
|
|
1719 (funcall dirs
|
|
|
1720 #'(lambda (n)
|
|
|
1721 (list (file-name-as-directory
|
|
|
1722 n)))))))
|
|
|
1723 (if (stringp val)
|
|
|
1724 (un-substitute-in-file-name (if specdir
|
|
|
1725 (concat specdir val)
|
|
|
1726 val))
|
|
|
1727 (let ((tem (un-substitute-in-file-name string)))
|
|
|
1728 (if (not (equal tem orig))
|
|
|
1729 ;; substitute-in-file-name did something
|
|
|
1730 tem
|
|
|
1731 val))))))))))
|
|
|
1732
|
|
|
1733 (defun append-expand-filename (file-string string)
|
|
|
1734 "Append STRING to FILE-STRING differently depending on whether STRING
|
|
|
1735 is a username (~string), an environment variable ($string),
|
|
|
1736 or a filename (/string). The resultant string is returned with the
|
|
|
1737 environment variable or username expanded and resolved to indicate
|
|
|
1738 whether it is a file(/result) or a directory (/result/)."
|
|
|
1739 (let ((file
|
|
|
1740 (cond ((string-match "\\([~$]\\)\\([^~$/]*\\)$" file-string)
|
|
|
1741 (cond ((string= (substring file-string
|
|
|
1742 (match-beginning 1)
|
|
|
1743 (match-end 1)) "~")
|
|
|
1744 (concat (substring file-string 0 (match-end 1))
|
|
|
1745 string))
|
|
|
1746 (t (substitute-in-file-name
|
|
|
1747 (concat (substring file-string 0 (match-end 1))
|
|
|
1748 string)))))
|
|
|
1749 (t (concat (file-name-directory
|
|
|
1750 (substitute-in-file-name file-string)) string))))
|
|
|
1751 result)
|
|
|
1752
|
|
|
1753 (cond ((stringp (setq result (and (file-exists-p (expand-file-name file))
|
|
|
1754 (read-file-name-internal
|
|
|
1755 (condition-case nil
|
|
|
1756 (expand-file-name file)
|
|
|
1757 (error file))
|
|
|
1758 "" nil))))
|
|
|
1759 result)
|
|
|
1760 (t file))))
|
|
|
1761
|
|
|
1762 (defun mouse-file-display-completion-list (window dir minibuf user-data)
|
|
|
1763 (let ((standard-output (window-buffer window)))
|
|
70
|
1764 (display-completion-list
|
|
|
1765 (directory-files dir nil nil nil t)
|
|
|
1766 :window-width (* 2 (window-width window))
|
|
|
1767 :activate-callback
|
|
|
1768 'mouse-read-file-name-activate-callback
|
|
|
1769 :user-data user-data
|
|
|
1770 :reference-buffer minibuf
|
|
|
1771 :help-string "")))
|
|
0
|
1772
|
|
|
1773 (defun mouse-directory-display-completion-list (window dir minibuf user-data)
|
|
|
1774 (let ((standard-output (window-buffer window)))
|
|
70
|
1775 (display-completion-list
|
|
|
1776 (delete "." (directory-files dir nil nil nil 1))
|
|
|
1777 :window-width (window-width window)
|
|
|
1778 :activate-callback
|
|
|
1779 'mouse-read-file-name-activate-callback
|
|
|
1780 :user-data user-data
|
|
|
1781 :reference-buffer minibuf
|
|
|
1782 :help-string "")))
|
|
0
|
1783
|
|
|
1784 (defun mouse-read-file-name-activate-callback (event extent user-data)
|
|
|
1785 (let* ((file (extent-string extent))
|
|
|
1786 (minibuf (symbol-value-in-buffer 'completion-reference-buffer
|
|
|
1787 (extent-object extent)))
|
|
|
1788 (in-dir (buffer-substring nil nil minibuf))
|
|
|
1789 (full (expand-file-name file in-dir))
|
|
|
1790 (filebuf (nth 0 user-data))
|
|
|
1791 (dirbuff (nth 1 user-data))
|
|
|
1792 (filewin (nth 2 user-data))
|
|
|
1793 (dirwin (nth 3 user-data)))
|
|
|
1794 (if (file-regular-p full)
|
|
|
1795 (default-choose-completion event extent minibuf)
|
|
|
1796 (erase-buffer minibuf)
|
|
|
1797 (insert-string (file-name-as-directory
|
|
|
1798 (abbreviate-file-name full t)) minibuf)
|
|
|
1799 (reset-buffer filebuf)
|
|
|
1800 (if (not dirbuff)
|
|
|
1801 (mouse-directory-display-completion-list filewin full minibuf
|
|
|
1802 user-data)
|
|
|
1803 (mouse-file-display-completion-list filewin full minibuf user-data)
|
|
|
1804 (reset-buffer dirbuff)
|
|
|
1805 (mouse-directory-display-completion-list dirwin full minibuf
|
|
|
1806 user-data)))))
|
|
|
1807
|
|
|
1808 ;; this is rather cheesified but gets the job done.
|
|
|
1809 (defun mouse-read-file-name-1 (history prompt dir default
|
|
|
1810 must-match initial-contents
|
|
|
1811 completer)
|
|
|
1812 (let* ((file-p (eq 'read-file-name-internal completer))
|
|
|
1813 (filebuf (get-buffer-create "*Completions*"))
|
|
|
1814 (dirbuff (and file-p (generate-new-buffer " *mouse-read-file*")))
|
|
|
1815 (butbuff (generate-new-buffer " *mouse-read-file*"))
|
|
|
1816 (frame (make-dialog-frame))
|
|
|
1817 filewin dirwin
|
|
|
1818 user-data)
|
|
|
1819 (unwind-protect
|
|
|
1820 (progn
|
|
|
1821 (reset-buffer filebuf)
|
|
|
1822 (select-frame frame)
|
|
|
1823 (let ((window-min-height 1))
|
|
|
1824 ;; #### should be 2 not 3, but that causes
|
|
|
1825 ;; "window too small to split" errors for some
|
|
|
1826 ;; people (but not for me ...) There's a more
|
|
|
1827 ;; fundamental bug somewhere.
|
|
|
1828 (split-window nil (- (frame-height frame) 3)))
|
|
|
1829 (if file-p
|
|
|
1830 (progn
|
|
|
1831 (split-window-horizontally 16)
|
|
|
1832 (setq filewin (frame-rightmost-window frame)
|
|
|
1833 dirwin (frame-leftmost-window frame))
|
|
|
1834 (set-window-buffer filewin filebuf)
|
|
|
1835 (set-window-buffer dirwin dirbuff))
|
|
|
1836 (setq filewin (frame-highest-window frame))
|
|
|
1837 (set-window-buffer filewin filebuf))
|
|
|
1838 (setq user-data (list filebuf dirbuff filewin dirwin))
|
|
|
1839 (set-window-buffer (frame-lowest-window frame) butbuff)
|
|
|
1840 (set-buffer butbuff)
|
|
|
1841 (set-specifier scrollbar-width 0 butbuff)
|
|
|
1842 (insert " ")
|
|
|
1843 (insert-gui-button (make-gui-button "OK"
|
|
|
1844 (lambda (foo)
|
|
|
1845 (exit-minibuffer))))
|
|
|
1846 (insert " ")
|
|
|
1847 (insert-gui-button (make-gui-button "Cancel"
|
|
|
1848 (lambda (foo)
|
|
|
1849 (abort-recursive-edit))))
|
|
|
1850 (let ((rfhookfun
|
|
|
1851 (lambda ()
|
|
|
1852 (if (not file-p)
|
|
|
1853 (mouse-directory-display-completion-list
|
|
|
1854 filewin dir (current-buffer) user-data)
|
|
|
1855 (mouse-file-display-completion-list filewin dir
|
|
|
1856 (current-buffer)
|
|
|
1857 user-data)
|
|
|
1858 (mouse-directory-display-completion-list dirwin dir
|
|
|
1859 (current-buffer)
|
|
|
1860 user-data))
|
|
|
1861 (set
|
|
|
1862 (make-local-variable
|
|
|
1863 'completion-display-completion-list-function)
|
|
|
1864 #'(lambda (completions)
|
|
|
1865 (display-completion-list
|
|
|
1866 completions
|
|
|
1867 :help-string ""
|
|
|
1868 :activate-callback
|
|
|
1869 'mouse-read-file-name-activate-callback
|
|
|
1870 :user-data user-data)))
|
|
|
1871 ;; kludge!
|
|
|
1872 (remove-hook 'minibuffer-setup-hook rfhookfun)
|
|
|
1873 ))
|
|
|
1874 (rfcshookfun
|
|
|
1875 ;; kludge!
|
|
|
1876 ;; #### I really need to flesh out the object
|
|
|
1877 ;; hierarchy better to avoid these kludges.
|
|
|
1878 (lambda ()
|
|
|
1879 (save-excursion
|
|
|
1880 (set-buffer standard-output)
|
|
|
1881 (setq truncate-lines t)))))
|
|
|
1882 (unwind-protect
|
|
|
1883 (progn
|
|
|
1884 (add-hook 'minibuffer-setup-hook rfhookfun)
|
|
|
1885 (add-hook 'completion-setup-hook rfcshookfun)
|
|
|
1886 (read-file-name-2 history prompt dir default
|
|
|
1887 must-match initial-contents
|
|
|
1888 completer))
|
|
|
1889 (remove-hook 'minibuffer-setup-hook rfhookfun)
|
|
|
1890 (remove-hook 'completion-setup-hook rfcshookfun))))
|
|
|
1891 (delete-frame frame)
|
|
|
1892 (kill-buffer filebuf)
|
|
|
1893 (kill-buffer butbuff)
|
|
|
1894 (and dirbuff (kill-buffer dirbuff)))))
|
|
|
1895
|
|
|
1896 (defun read-face (prompt &optional must-match)
|
|
|
1897 "Read the name of a face from the minibuffer and return it as a symbol."
|
|
|
1898 (intern (completing-read prompt obarray 'find-face must-match)))
|
|
|
1899
|
|
|
1900 ;; #### - wrong place for this variable and function? At some point, we'll
|
|
|
1901 ;; have ansi color on ttys and so this ought to be here, but the x-specific
|
|
|
1902 ;; completion stuff should probably move.
|
|
|
1903
|
|
|
1904 ;; Ben wanted all of the possibilities from the `configure' script used
|
|
|
1905 ;; here, but I think this is way too many. I already trimmed the R4 variants
|
|
|
1906 ;; and a few obvious losers from the list. --Stig
|
|
|
1907 (defvar x-library-search-path '("/usr/X11R6/lib/X11/"
|
|
|
1908 "/usr/X11R5/lib/X11/"
|
|
|
1909 "/usr/lib/X11R6/X11/"
|
|
|
1910 "/usr/lib/X11R5/X11/"
|
|
|
1911 "/usr/local/X11R6/lib/X11/"
|
|
|
1912 "/usr/local/X11R5/lib/X11/"
|
|
|
1913 "/usr/local/lib/X11R6/X11/"
|
|
|
1914 "/usr/local/lib/X11R5/X11/"
|
|
|
1915 "/usr/X11/lib/X11/"
|
|
|
1916 "/usr/lib/X11/"
|
|
|
1917 "/usr/local/lib/X11/"
|
|
|
1918 "/usr/X386/lib/X11/"
|
|
|
1919 "/usr/x386/lib/X11/"
|
|
|
1920 "/usr/XFree86/lib/X11/"
|
|
|
1921 "/usr/unsupported/lib/X11/"
|
|
|
1922 "/usr/athena/lib/X11/"
|
|
|
1923 "/usr/local/x11r5/lib/X11/"
|
|
|
1924 "/usr/lpp/Xamples/lib/X11/"
|
|
|
1925 "/usr/openwin/lib/X11/"
|
|
|
1926 "/usr/openwin/share/lib/X11/")
|
|
|
1927 "Search path used by `read-color' to find rgb.txt.")
|
|
|
1928
|
|
|
1929 (defvar read-color-completion-table)
|
|
|
1930
|
|
|
1931 (defun read-color-completion-table ()
|
|
|
1932 (if (boundp 'read-color-completion-table)
|
|
|
1933 read-color-completion-table
|
|
|
1934 (let ((rgb-file (locate-file "rgb.txt" x-library-search-path))
|
|
|
1935 clist color p)
|
|
|
1936 (if (not rgb-file)
|
|
|
1937 ;; prevents multiple searches for rgb.txt if we can't find it
|
|
|
1938 (setq read-color-completion-table nil)
|
|
|
1939 (save-excursion
|
|
|
1940 (set-buffer (get-buffer-create " *colors*"))
|
|
|
1941 (reset-buffer (current-buffer))
|
|
|
1942 (insert-file-contents rgb-file)
|
|
|
1943 (while (not (eobp))
|
|
|
1944 ;; skip over comments
|
|
|
1945 (while (looking-at "^!")
|
|
|
1946 (end-of-line)
|
|
|
1947 (forward-char 1))
|
|
|
1948 (skip-chars-forward "0-9 \t")
|
|
|
1949 (setq p (point))
|
|
|
1950 (end-of-line)
|
|
|
1951 (setq color (buffer-substring p (point))
|
|
|
1952 clist (cons (list color) clist))
|
|
|
1953 ;; Ugh. If we want to be able to complete the lowercase form
|
|
|
1954 ;; of the color name, we need to add it twice! Yuck.
|
|
|
1955 (let ((dcase (downcase color)))
|
|
|
1956 (or (string= dcase color)
|
|
|
1957 (setq clist (cons (list dcase) clist))))
|
|
|
1958 (forward-char 1))
|
|
|
1959 (kill-buffer (current-buffer))))
|
|
|
1960 (setq read-color-completion-table clist)
|
|
|
1961 read-color-completion-table)))
|
|
|
1962
|
|
|
1963 (defun read-color (prompt &optional must-match initial-contents)
|
|
|
1964 "Read the name of a color from the minibuffer.
|
|
|
1965 Uses `x-library-search-path' to find rgb.txt in order to build a completion
|
|
|
1966 table."
|
|
|
1967 (completing-read prompt (read-color-completion-table) nil
|
|
|
1968 (and (read-color-completion-table) must-match)
|
|
|
1969 initial-contents))
|
|
|
1970
|
|
|
1971
|
|
|
1972 ;; #### The doc string for read-non-nil-coding system gets lost if we
|
|
|
1973 ;; only include these if the mule feature is present. Strangely,
|
|
|
1974 ;; read-coding-system doesn't.
|
|
|
1975
|
|
|
1976 ;;(if (featurep 'mule)
|
|
|
1977
|
|
|
1978 (defun read-coding-system (prompt)
|
|
|
1979 "Read a coding-system (or nil) from the minibuffer.
|
|
|
1980 Prompting with string PROMPT."
|
|
|
1981 (intern (completing-read prompt obarray 'find-coding-system t)))
|
|
|
1982
|
|
|
1983 (defun read-non-nil-coding-system (prompt)
|
|
|
1984 "Read a non-nil coding-system from the minibuffer.
|
|
|
1985 Prompt with string PROMPT."
|
|
|
1986 (let ((retval (intern "")))
|
|
|
1987 (while (= 0 (length (symbol-name retval)))
|
|
|
1988 (setq retval (intern (completing-read prompt obarray
|
|
|
1989 'find-coding-system
|
|
|
1990 t))))
|
|
|
1991 retval))
|
|
|
1992
|
|
|
1993 ;;) ;; end of (featurep 'mule)
|
|
|
1994
|
|
|
1995
|
|
|
1996
|
|
|
1997 (defvar force-dialog-box-use nil
|
|
|
1998 "If non-nil, always use a dialog box for asking questions, if possible.
|
|
|
1999 You should *bind* this, not set it. This is useful if you're doing
|
|
|
2000 something mousy but which wasn't actually invoked using the mouse.")
|
|
|
2001
|
|
|
2002 ;; We include this here rather than dialog.el so it is defined
|
|
|
2003 ;; even when dialog boxes are not present.
|
|
|
2004 (defun should-use-dialog-box-p ()
|
|
|
2005 "If non-nil, questions should be asked with a dialog box instead of the
|
|
|
2006 minibuffer. This looks at `last-command-event' to see if it was a mouse
|
|
|
2007 event, and checks whether dialog-support exists and the current device
|
|
74
|
2008 supports dialog boxes.
|
|
|
2009
|
|
96
|
2010 The dialog box is totally disabled if the variable `use-dialog-box'
|
|
74
|
2011 is set to nil."
|
|
0
|
2012 (and (featurep 'dialog)
|
|
|
2013 (device-on-window-system-p)
|
|
96
|
2014 use-dialog-box
|
|
0
|
2015 (or force-dialog-box-use
|
|
|
2016 (button-press-event-p last-command-event)
|
|
|
2017 (button-release-event-p last-command-event)
|
|
|
2018 (misc-user-event-p last-command-event))))
|
|
74
|
2019
|
|
|
2020 ;;; minibuf.el ends here
|
