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428
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1 ;;; gutter-items.el --- Gutter content for XEmacs.
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2
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3 ;; Copyright (C) 1999 Free Software Foundation, Inc.
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4
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5 ;; Maintainer: XEmacs Development Team
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6 ;; Keywords: frames, extensions, internal, dumped
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7
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8 ;; This file is part of XEmacs.
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9
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10 ;; XEmacs is free software; you can redistribute it and/or modify it
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11 ;; under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; XEmacs is distributed in the hope that it will be useful, but
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16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 ;; General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with Xmacs; see the file COPYING. If not, write to the
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22 ;; Free Software Foundation, 59 Temple Place - Suite 330,
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23 ;; Boston, MA 02111-1307, USA.
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24
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771
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25 ;;; Gutter-specific buffers tab code
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428
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26
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442
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27 (defvar gutter-buffers-tab nil
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28 "A tab widget in the gutter for displaying buffers.
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29 Do not set this. Use `set-glyph-image' to change the properties of the tab.")
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30
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31 (defcustom gutter-buffers-tab-visible-p
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32 (gutter-element-visible-p default-gutter-visible-p 'buffers-tab)
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33 "Whether the buffers tab is globally visible.
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34 This option should be set through the options menu."
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35 :group 'buffers-tab
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36 :type 'boolean
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37 :set #'(lambda (var val)
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38 (set-gutter-element-visible-p default-gutter-visible-p
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39 'buffers-tab val)
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40 (setq gutter-buffers-tab-visible-p val)))
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41
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444
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42 (defcustom gutter-buffers-tab-enabled t
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43 "*Whether to enable support for buffers tab in the gutter.
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44 This is different to `gutter-buffers-tab-visible-p' which still runs hooks
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45 even when the gutter is invisible."
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46 :group 'buffers-tab
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47 :type 'boolean)
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48
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438
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49 (defvar gutter-buffers-tab-orientation 'top
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50 "Where the buffers tab currently is. Do not set this.")
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51
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903
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52 (defcustom buffers-tab-max-size 6
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53 "*Maximum number of entries which may appear on the \"Buffers\" tab.
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54 If this is 10, then only the ten most-recently-selected buffers will be
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55 shown. If this is nil, then all buffers will be shown. Setting this to
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56 a large number or nil will slow down tab responsiveness."
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57 :type '(choice (const :tag "Show all" nil)
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58 (integer 6))
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59 :group 'buffers-tab)
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60
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61 (defcustom buffers-tab-switch-to-buffer-function 'buffers-tab-switch-to-buffer
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62 "*The function to call to select a buffer from the buffers tab.
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63 `switch-to-buffer' is a good choice, as is `pop-to-buffer'."
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64 :type '(radio (function-item switch-to-buffer)
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65 (function-item pop-to-buffer)
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66 (function :tag "Other"))
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67 :group 'buffers-tab)
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68
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931
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69 (defcustom buffers-tab-omit-function 'buffers-tab-omit-some-buffers
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903
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70 "*If non-nil, a function specifying the buffers to omit from the buffers tab.
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71 This is passed a buffer and should return non-nil if the buffer should be
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931
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72 omitted. The default value `buffers-tab-omit-some-buffers' omits
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73 buffers based on the value of `buffers-tab-omit-list'."
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903
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74 :type '(choice (const :tag "None" nil)
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931
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75 function)
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76 :group 'buffers-tab)
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77
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78 (defcustom buffers-tab-omit-list '("\\` ")
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79 "*A list of types of buffers to omit from the buffers tab.
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80 This is only used if `buffers-tab-omit-function' is set to
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81 `buffers-tab-omit-some-buffers', its default value."
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82 :type '(checklist
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83 :greedy t
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84 :format "%{Omit List%}: \n%v"
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85 (const
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86 :tag "Invisible buffers (those whose names start with a space) "
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87 "\\` ")
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88 (const
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89 :tag "Help buffers "
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90 "\\`\\*Help")
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91 (const
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92 :tag "Customize buffers "
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93 "\\`\\*Customize")
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94 (const
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95 :tag "`special' buffers (those whose names start with *) "
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96 "\\`\\*")
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97 (const
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98 :tag "`special' buffers other than *scratch*"
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99 "\\`\\*\\([^s]\\|s[^c]\\|sc[^r]\\|scr[^a]\\|scra[^t]\\|scrat[^c]\\|scratc[^h]\\|scratch[^*]\\|scratch\\*.+\\)"))
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903
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100 :group 'buffers-tab)
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101
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102 (defvar buffers-tab-selection-function 'select-buffers-tab-buffers-by-mode
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103 "*If non-nil, a function specifying the buffers to select in the
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104 buffers tab. This is passed two buffers and should return non-nil if
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105 the first buffer should be selected. The default value
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106 `select-buffers-tab-buffers-by-mode' groups buffers by major mode and
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107 by `buffers-tab-grouping-regexp'.")
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108
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109 (make-obsolete-variable buffers-tab-selection-function
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110 "Set `buffers-tab-filter-functions' instead.")
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111
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112 (defcustom buffers-tab-filter-functions (list 'select-buffers-tab-buffers-by-mode)
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113 "*If non-nil, a list of functions specifying the buffers to include
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114 in the buffers tab, depending on the context.
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115 Each function in the list is passed two buffers, the buffer to
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116 potentially select and the context buffer, and should return non-nil
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117 if the first buffer should be selected. The default value groups
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118 buffers by major mode and by `buffers-tab-grouping-regexp'."
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119
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120 :type '(repeat function)
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121 :group 'buffers-tab)
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122
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123 (defcustom buffers-tab-sort-function nil
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124 "*If non-nil, a function specifying the buffers to select from the
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125 buffers tab. This is passed the buffer list and returns the list in the
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126 order desired for the tab widget. The default value `nil' leaves the
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127 list in `buffer-list' order (usual most-recently-selected-first)."
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128
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129 :type '(choice (const :tag "None" nil)
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130 function)
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131 :group 'buffers-tab)
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132
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133 (make-face 'buffers-tab "Face for displaying the buffers tab.")
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134 (set-face-parent 'buffers-tab 'modeline)
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135
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136 (defcustom buffers-tab-face 'buffers-tab
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137 "*Face to use for displaying the buffers tab."
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138 :type 'face
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139 :group 'buffers-tab)
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140
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141 (defcustom buffers-tab-grouping-regexp
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142 '("^\\(gnus-\\|message-mode\\|mime/viewer-mode\\)"
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143 "^\\(emacs-lisp-\\|lisp-\\)")
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144 "*If non-nil, a list of regular expressions for buffer grouping.
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145 Each regular expression is applied to the current major-mode symbol
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146 name and mode-name, if it matches then any other buffers that match
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147 the same regular expression be added to the current group."
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148 :type '(choice (const :tag "None" nil)
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149 sexp)
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150 :group 'buffers-tab)
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151
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152 (defcustom buffers-tab-format-buffer-line-function 'format-buffers-tab-line
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153 "*The function to call to return a string to represent a buffer in the
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154 buffers tab. The function is passed a buffer and should return a
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155 string. The default value `format-buffers-tab-line' just returns the
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156 name of the buffer, optionally truncated to
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157 `buffers-tab-max-buffer-line-length'. Also check out
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158 `slow-format-buffers-menu-line' which returns a whole bunch of info
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159 about a buffer."
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160 :type 'function
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161 :group 'buffers-tab)
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162
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163 (defvar buffers-tab-default-buffer-line-length
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164 (make-specifier-and-init 'generic '((global ((default) . 25))) t)
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165 "*Maximum length of text which may appear in a \"Buffers\" tab.
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166 This is a specifier, use set-specifier to modify it.")
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167
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168 (defcustom buffers-tab-max-buffer-line-length
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169 (specifier-instance buffers-tab-default-buffer-line-length)
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170 "*Maximum length of text which may appear in a \"Buffers\" tab.
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171 Buffer names over this length will be truncated with elipses.
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172 If this is 0, then the full buffer name will be shown."
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173 :type '(choice (const :tag "Show all" 0)
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174 (integer 25))
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175 :group 'buffers-tab
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176 :set #'(lambda (var val)
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177 (set-specifier buffers-tab-default-buffer-line-length val)
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178 (setq buffers-tab-max-buffer-line-length val)))
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179
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180 (defun buffers-tab-switch-to-buffer (buffer)
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181 "For use as a value for `buffers-tab-switch-to-buffer-function'."
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182 (unless (eq (window-buffer) buffer)
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183 ;; this used to add the norecord flag to both calls below.
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184 ;; this is bogus because it is a pervasive assumption in XEmacs
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185 ;; that the current buffer is at the front of the buffers list.
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186 ;; for example, select an item and then do M-C-l
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187 ;; (switch-to-other-buffer). Things get way confused.
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188 (if (> (length (windows-of-buffer buffer)) 0)
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189 (select-window (car (windows-of-buffer buffer)))
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190 (switch-to-buffer buffer))))
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191
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192 (defun select-buffers-tab-buffers-by-mode (buffer-to-select buf1)
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193 "For use as a value of `buffers-tab-selection-function'.
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194 This selects buffers by major mode `buffers-tab-grouping-regexp'."
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195 (let ((mode1 (symbol-name (symbol-value-in-buffer 'major-mode buf1)))
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196 (mode2 (symbol-name (symbol-value-in-buffer 'major-mode
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197 buffer-to-select)))
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198 (modenm1 (symbol-value-in-buffer 'mode-name buf1))
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199 (modenm2 (symbol-value-in-buffer 'mode-name buffer-to-select)))
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200 (cond ((or (eq mode1 mode2)
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201 (eq modenm1 modenm2)
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202 (and (string-match "^[^-]+-" mode1)
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203 (string-match
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204 (concat "^" (regexp-quote
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205 (substring mode1 0 (match-end 0))))
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206 mode2))
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207 (and buffers-tab-grouping-regexp
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208 (find-if #'(lambda (x)
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209 (or
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210 (and (string-match x mode1)
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211 (string-match x mode2))
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212 (and (string-match x modenm1)
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213 (string-match x modenm2))))
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214 buffers-tab-grouping-regexp)))
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215 t)
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216 (t nil))))
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217
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218 (defun format-buffers-tab-line (buffer)
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219 "For use as a value of `buffers-tab-format-buffer-line-function'.
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220 This just returns the buffer's name, optionally truncated."
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221 (let ((len (specifier-instance buffers-tab-default-buffer-line-length)))
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222 (if (and (> len 0)
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223 (> (length (buffer-name buffer)) len))
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224 (if (string-match ".*<.>$" (buffer-name buffer))
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225 (concat (substring (buffer-name buffer)
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226 0 (- len 6)) "..."
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227 (substring (buffer-name buffer) -3))
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228 (concat (substring (buffer-name buffer)
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229 0 (- len 3)) "..."))
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230 (buffer-name buffer))))
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231
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232 (defsubst build-buffers-tab-internal (buffers)
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233 (let ((selected t))
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234 (mapcar
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235 #'(lambda (buffer)
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236 (prog1
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237 (vector
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238 (funcall buffers-tab-format-buffer-line-function
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239 buffer)
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240 (list buffers-tab-switch-to-buffer-function
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241 (buffer-name buffer))
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242 :selected selected)
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243 (when selected (setq selected nil))))
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244 buffers)))
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245
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246 ;;; #### SJT would like this function to have a sort function list. I
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247 ;;; don't see how this could work given that sorting is not
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248 ;;; cumulative --andyp.
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249 (defun buffers-tab-items (&optional in-deletion frame force-selection)
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250 "Return a list of tab instantiators based on the current buffers list.
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251 This function is used as the tab filter for the top-level buffers
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252 \"Buffers\" tab. It dynamically creates a list of tab instantiators
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253 to use as the contents of the tab. The contents and order of the list
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254 is controlled by `buffers-tab-filter-functions' which by default
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255 groups buffers according to major mode and removes invisible buffers.
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256 You can control how many buffers will be shown by setting
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257 `buffers-tab-max-size'. You can control the text of the tab items by
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258 redefining the function `format-buffers-menu-line'."
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259 (save-match-data
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260 ;; NB it is too late if we run the omit function as part of the
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261 ;; filter functions because we need to know which buffer is the
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262 ;; context buffer before they get run.
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263 (let* ((buffers (delete-if
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264 buffers-tab-omit-function (buffer-list frame)))
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265 (first-buf (car buffers)))
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266 ;; maybe force the selected window
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267 (when (and force-selection
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268 (not in-deletion)
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269 (not (eq first-buf (window-buffer (selected-window frame)))))
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270 (setq buffers (cons (window-buffer (selected-window frame))
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271 (delq first-buf buffers))))
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272 ;; if we're in deletion ignore the current buffer
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273 (when in-deletion
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274 (setq buffers (delq (current-buffer) buffers))
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275 (setq first-buf (car buffers)))
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276 ;; filter buffers
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277 (when buffers-tab-filter-functions
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278 (setq buffers
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279 (delete-if
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280 #'null
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281 (mapcar #'(lambda (buf)
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282 (let ((tmp-buf buf))
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283 (mapc #'(lambda (fun)
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284 (unless (funcall fun buf first-buf)
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285 (setq tmp-buf nil)))
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286 buffers-tab-filter-functions)
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287 tmp-buf))
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288 buffers))))
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289 ;; maybe shorten list of buffers
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290 (and (integerp buffers-tab-max-size)
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291 (> buffers-tab-max-size 1)
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292 (> (length buffers) buffers-tab-max-size)
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293 (setcdr (nthcdr (1- buffers-tab-max-size) buffers) nil))
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294 ;; sort buffers in group (default is most-recently-selected)
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295 (when buffers-tab-sort-function
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296 (setq buffers (funcall buffers-tab-sort-function buffers)))
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297 ;; convert list of buffers to list of structures used by tab widget
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298 (setq buffers (build-buffers-tab-internal buffers))
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299 buffers)))
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300
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428
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301 (defun add-tab-to-gutter ()
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302 "Put a tab control in the gutter area to hold the most recent buffers."
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438
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303 (setq gutter-buffers-tab-orientation (default-gutter-position))
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444
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304 (let* ((gutter-string (copy-sequence "\n"))
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305 (gutter-buffers-tab-extent (make-extent 0 1 gutter-string)))
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306 (set-extent-begin-glyph gutter-buffers-tab-extent
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307 (setq gutter-buffers-tab
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308 (make-glyph)))
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442
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309 ;; Nuke all existing tabs
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310 (remove-gutter-element top-gutter 'buffers-tab)
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311 (remove-gutter-element bottom-gutter 'buffers-tab)
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312 (remove-gutter-element left-gutter 'buffers-tab)
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313 (remove-gutter-element right-gutter 'buffers-tab)
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314 ;; Put tabs into all devices that will be able to display them
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315 (mapcar
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316 #'(lambda (x)
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317 (when (valid-image-instantiator-format-p 'tab-control x)
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318 (cond ((eq gutter-buffers-tab-orientation 'top)
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319 ;; This looks better than a 3d border
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320 (set-specifier top-gutter-border-width 0 'global x)
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321 (set-gutter-element top-gutter 'buffers-tab
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322 gutter-string 'global x))
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323 ((eq gutter-buffers-tab-orientation 'bottom)
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324 (set-specifier bottom-gutter-border-width 0 'global x)
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325 (set-gutter-element bottom-gutter 'buffers-tab
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326 gutter-string 'global x))
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327 ((eq gutter-buffers-tab-orientation 'left)
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328 (set-specifier left-gutter-border-width 0 'global x)
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329 (set-gutter-element left-gutter 'buffers-tab
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444
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330 gutter-string 'global x))
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442
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331 ((eq gutter-buffers-tab-orientation 'right)
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332 (set-specifier right-gutter-border-width 0 'global x)
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333 (set-gutter-element right-gutter 'buffers-tab
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444
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334 gutter-string 'global x))
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442
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335 )))
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336 (console-type-list))))
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337
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338 (defun update-tab-in-gutter (frame &optional force-selection)
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428
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339 "Update the tab control in the gutter area."
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442
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340 ;; dedicated frames don't get tabs
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446
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341 (unless (or (window-dedicated-p (frame-selected-window frame))
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342 (frame-property frame 'popup))
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442
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343 (when (specifier-instance default-gutter-visible-p frame)
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344 (unless (and gutter-buffers-tab
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438
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345 (eq (default-gutter-position)
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346 gutter-buffers-tab-orientation))
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428
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347 (add-tab-to-gutter))
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442
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348 (when (valid-image-instantiator-format-p 'tab-control frame)
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446
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349 (let ((items (buffers-tab-items nil frame force-selection)))
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350 (when items
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351 (set-glyph-image
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352 gutter-buffers-tab
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353 (vector 'tab-control :descriptor "Buffers" :face buffers-tab-face
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354 :orientation gutter-buffers-tab-orientation
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355 (if (or (eq gutter-buffers-tab-orientation 'top)
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356 (eq gutter-buffers-tab-orientation 'bottom))
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357 :pixel-width :pixel-height)
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358 (if (or (eq gutter-buffers-tab-orientation 'top)
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359 (eq gutter-buffers-tab-orientation 'bottom))
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360 '(gutter-pixel-width) '(gutter-pixel-height))
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361 :items items)
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362 frame)
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363 ;; set-glyph-image will not make the gutter dirty
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458
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364 (set-gutter-dirty-p gutter-buffers-tab-orientation)))))))
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428
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365
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442
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366 ;; A myriad of different update hooks all doing slightly different things
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444
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367 (add-one-shot-hook
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368 'after-init-hook
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369 #'(lambda ()
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370 ;; don't add the hooks if the user really doesn't want them
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371 (when gutter-buffers-tab-enabled
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372 (add-hook 'create-frame-hook
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373 #'(lambda (frame)
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374 (when gutter-buffers-tab (update-tab-in-gutter frame t))))
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375 (add-hook 'buffer-list-changed-hook 'update-tab-in-gutter)
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376 (add-hook 'default-gutter-position-changed-hook
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377 #'(lambda ()
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378 (when gutter-buffers-tab
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379 (mapc #'update-tab-in-gutter (frame-list)))))
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380 (add-hook 'gutter-element-visibility-changed-hook
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381 #'(lambda (prop visible-p)
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382 (when (and (eq prop 'buffers-tab) visible-p)
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383 (mapc #'update-tab-in-gutter (frame-list)))))
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384 (update-tab-in-gutter (selected-frame) t))))
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385
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428
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386 ;;
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387 ;; progress display
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388 ;; ripped off from message display
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389 ;;
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442
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390 (defcustom progress-feedback-use-echo-area nil
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391 "*Whether progress gauge display should display in the echo area.
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392 If NIL then progress gauges will be displayed with whatever native widgets
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393 are available on the current console. If non-NIL then progress display will be
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394 textual and displayed in the echo area."
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395 :type 'boolean
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396 :group 'gutter)
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397
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398 (defvar progress-glyph-height 24
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399 "Height of the progress gauge glyph.")
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400
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401 (defvar progress-feedback-popup-period 0.5
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402 "The time that the progress gauge should remain up after completion")
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403
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404 (defcustom progress-feedback-style 'large
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405 "*Control the appearance of the progress gauge.
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406 If 'large, the default, then the progress-feedback text is displayed
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407 above the gauge itself. If 'small then the gauge and text are arranged
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408 side-by-side."
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409 :group 'gutter
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410 :type '(choice (const :tag "large" large)
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411 (const :tag "small" small)))
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412
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413 ;; private variables
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414 (defvar progress-text-instantiator [string :data ""])
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|
415 (defvar progress-layout-glyph (make-glyph))
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416 (defvar progress-layout-instantiator nil)
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417
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418 (defvar progress-gauge-instantiator
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419 [progress-gauge
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420 :value 0
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421 :pixel-height (eval progress-glyph-height)
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422 :pixel-width 250
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423 :descriptor "Progress"])
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424
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425 (defun set-progress-feedback-instantiator (&optional locale)
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426 (cond
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427 ((eq progress-feedback-style 'small)
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428 (setq progress-glyph-height 16)
|
|
|
429 (setq progress-layout-instantiator
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|
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430 `[layout
|
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|
431 :orientation horizontal
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|
432 :margin-width 4
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433 :items (,progress-gauge-instantiator
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|
434 [button
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|
435 :pixel-height (eval progress-glyph-height)
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|
436 ;; 'quit is special and acts "asynchronously".
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|
437 :descriptor "Stop" :callback 'quit]
|
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|
438 ,progress-text-instantiator)])
|
|
458
|
439 (set-glyph-image progress-layout-glyph progress-layout-instantiator
|
|
|
440 locale))
|
|
442
|
441 (t
|
|
|
442 (setq progress-glyph-height 24)
|
|
|
443 (setq progress-layout-instantiator
|
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|
444 `[layout
|
|
863
|
445 :orientation vertical :margin-width 4
|
|
|
446 :horizontally-justify left :vertically-justify center
|
|
442
|
447 :items (,progress-text-instantiator
|
|
|
448 [layout
|
|
|
449 :orientation horizontal
|
|
|
450 :items (,progress-gauge-instantiator
|
|
|
451 [button
|
|
|
452 :pixel-height (eval progress-glyph-height)
|
|
|
453 :descriptor " Stop "
|
|
|
454 ;; 'quit is special and acts "asynchronously".
|
|
|
455 :callback 'quit])])])
|
|
458
|
456 (set-glyph-image progress-layout-glyph progress-layout-instantiator
|
|
|
457 locale))))
|
|
|
458
|
|
|
459 (defvar progress-abort-glyph (make-glyph))
|
|
|
460
|
|
|
461 (defun set-progress-abort-instantiator (&optional locale)
|
|
|
462 (set-glyph-image progress-abort-glyph
|
|
863
|
463 `[layout :orientation vertical
|
|
|
464 :horizontally-justify left :vertically-justify center
|
|
458
|
465 :items (,progress-text-instantiator
|
|
|
466 [layout
|
|
|
467 :margin-width 4
|
|
|
468 :pixel-height progress-glyph-height
|
|
|
469 :orientation horizontal])]
|
|
|
470 locale))
|
|
442
|
471
|
|
428
|
472 (defvar progress-stack nil
|
|
|
473 "An alist of label/string pairs representing active progress gauges.
|
|
|
474 The first element in the list is currently displayed in the gutter area.
|
|
442
|
475 Do not modify this directly--use the `progress-feedback' or
|
|
|
476 `display-progress-feedback'/`clear-progress-feedback' functions.")
|
|
428
|
477
|
|
442
|
478 (defun progress-feedback-displayed-p (&optional return-string frame)
|
|
428
|
479 "Return a non-nil value if a progress gauge is presently displayed in the
|
|
|
480 gutter area. If optional argument RETURN-STRING is non-nil,
|
|
|
481 return a string containing the message, otherwise just return t."
|
|
|
482 (let ((buffer (get-buffer-create " *Gutter Area*")))
|
|
|
483 (and (< (point-min buffer) (point-max buffer))
|
|
|
484 (if return-string
|
|
|
485 (buffer-substring nil nil buffer)
|
|
|
486 t))))
|
|
|
487
|
|
|
488 ;;; Returns the string which remains in the echo area, or nil if none.
|
|
|
489 ;;; If label is nil, the whole message stack is cleared.
|
|
442
|
490 (defun clear-progress-feedback (&optional label frame no-restore)
|
|
|
491 "Remove any progress gauge with LABEL from the progress gauge-stack,
|
|
428
|
492 erasing it from the gutter area if it's currently displayed there.
|
|
|
493 If a message remains at the head of the progress-stack and NO-RESTORE
|
|
|
494 is nil, it will be displayed. The string which remains in the gutter
|
|
|
495 area will be returned, or nil if the progress-stack is now empty.
|
|
|
496 If LABEL is nil, the entire progress-stack is cleared.
|
|
|
497
|
|
|
498 Unless you need the return value or you need to specify a label,
|
|
|
499 you should just use (progress nil)."
|
|
442
|
500 (if (or (not (valid-image-instantiator-format-p 'progress-gauge frame))
|
|
|
501 progress-feedback-use-echo-area)
|
|
|
502 (clear-message label frame nil no-restore)
|
|
|
503 (or frame (setq frame (selected-frame)))
|
|
|
504 (remove-progress-feedback label frame)
|
|
502
|
505 (let ((inhibit-read-only t))
|
|
442
|
506 (erase-buffer (get-buffer-create " *Gutter Area*")))
|
|
|
507 (if no-restore
|
|
|
508 nil ; just preparing to put another msg up
|
|
|
509 (if progress-stack
|
|
|
510 (let ((oldmsg (cdr (car progress-stack))))
|
|
|
511 (raw-append-progress-feedback oldmsg nil frame)
|
|
|
512 oldmsg)
|
|
|
513 ;; nothing to display so get rid of the gauge
|
|
|
514 (set-specifier bottom-gutter-border-width 0 frame)
|
|
|
515 (set-gutter-element-visible-p bottom-gutter-visible-p
|
|
|
516 'progress nil frame)))))
|
|
428
|
517
|
|
442
|
518 (defun progress-feedback-clear-when-idle (&optional label)
|
|
|
519 (add-one-shot-hook 'pre-idle-hook
|
|
|
520 `(lambda ()
|
|
|
521 (clear-progress-feedback ',label))))
|
|
|
522
|
|
|
523 (defun remove-progress-feedback (&optional label frame)
|
|
428
|
524 ;; If label is nil, we want to remove all matching progress gauges.
|
|
|
525 (while (and progress-stack
|
|
|
526 (or (null label) ; null label means clear whole stack
|
|
|
527 (eq label (car (car progress-stack)))))
|
|
|
528 (setq progress-stack (cdr progress-stack)))
|
|
|
529 (let ((s progress-stack))
|
|
|
530 (while (cdr s)
|
|
|
531 (let ((msg (car (cdr s))))
|
|
|
532 (if (eq label (car msg))
|
|
|
533 (progn
|
|
|
534 (setcdr s (cdr (cdr s))))
|
|
|
535 (setq s (cdr s)))))))
|
|
|
536
|
|
442
|
537 (defun progress-feedback-dispatch-non-command-events ()
|
|
|
538 ;; don't allow errors to hose things
|
|
|
539 (condition-case t
|
|
|
540 ;; (sit-for 0) is too agressive and cause more display than we
|
|
|
541 ;; want.
|
|
|
542 (dispatch-non-command-events)
|
|
|
543 nil))
|
|
|
544
|
|
|
545 (defun append-progress-feedback (label message &optional value frame)
|
|
428
|
546 (or frame (setq frame (selected-frame)))
|
|
|
547 ;; Add a new entry to the message-stack, or modify an existing one
|
|
|
548 (let* ((top (car progress-stack))
|
|
|
549 (tmsg (cdr top)))
|
|
|
550 (if (eq label (car top))
|
|
|
551 (progn
|
|
|
552 (setcdr top message)
|
|
442
|
553 (if (equal tmsg message)
|
|
|
554 (progn
|
|
|
555 (set-instantiator-property progress-gauge-instantiator :value value)
|
|
|
556 (set-progress-feedback-instantiator (frame-selected-window frame)))
|
|
|
557 (raw-append-progress-feedback message value frame))
|
|
|
558 (redisplay-gutter-area))
|
|
428
|
559 (push (cons label message) progress-stack)
|
|
442
|
560 (raw-append-progress-feedback message value frame))
|
|
|
561 (progress-feedback-dispatch-non-command-events)
|
|
|
562 ;; either get command events or sit waiting for them
|
|
|
563 (when (eq value 100)
|
|
|
564 ; (sit-for progress-feedback-popup-period nil)
|
|
|
565 (clear-progress-feedback label))))
|
|
428
|
566
|
|
442
|
567 (defun abort-progress-feedback (label message &optional frame)
|
|
|
568 (if (or (not (valid-image-instantiator-format-p 'progress-gauge frame))
|
|
|
569 progress-feedback-use-echo-area)
|
|
|
570 (display-message label (concat message "aborted.") frame)
|
|
|
571 (or frame (setq frame (selected-frame)))
|
|
|
572 ;; Add a new entry to the message-stack, or modify an existing one
|
|
|
573 (let* ((top (car progress-stack))
|
|
502
|
574 (inhibit-read-only t))
|
|
442
|
575 (if (eq label (car top))
|
|
|
576 (setcdr top message)
|
|
|
577 (push (cons label message) progress-stack))
|
|
|
578 (unless (equal message "")
|
|
|
579 (insert-string message (get-buffer-create " *Gutter Area*"))
|
|
|
580 (let* ((gutter-string (copy-sequence "\n"))
|
|
|
581 (ext (make-extent 0 1 gutter-string)))
|
|
|
582 ;; do some funky display here.
|
|
|
583 (set-extent-begin-glyph ext progress-abort-glyph)
|
|
428
|
584 ;; fixup the gutter specifiers
|
|
442
|
585 (set-gutter-element bottom-gutter 'progress gutter-string frame)
|
|
428
|
586 (set-specifier bottom-gutter-border-width 2 frame)
|
|
458
|
587 (set-instantiator-property progress-text-instantiator :data message)
|
|
|
588 (set-progress-abort-instantiator (frame-selected-window frame))
|
|
428
|
589 (set-specifier bottom-gutter-height 'autodetect frame)
|
|
442
|
590 (set-gutter-element-visible-p bottom-gutter-visible-p
|
|
|
591 'progress t frame)
|
|
428
|
592 ;; we have to do this so redisplay is up-to-date and so
|
|
|
593 ;; redisplay-gutter-area performs optimally.
|
|
|
594 (redisplay-gutter-area)
|
|
442
|
595 (sit-for progress-feedback-popup-period nil)
|
|
|
596 (clear-progress-feedback label frame)
|
|
|
597 (set-extent-begin-glyph ext progress-layout-glyph)
|
|
|
598 (set-gutter-element bottom-gutter 'progress gutter-string frame)
|
|
428
|
599 )))))
|
|
|
600
|
|
442
|
601 (defun raw-append-progress-feedback (message &optional value frame)
|
|
428
|
602 (unless (equal message "")
|
|
442
|
603 (let* ((inhibit-read-only t)
|
|
|
604 (val (or value 0))
|
|
|
605 (gutter-string (copy-sequence "\n"))
|
|
|
606 (ext (make-extent 0 1 gutter-string)))
|
|
428
|
607 (insert-string message (get-buffer-create " *Gutter Area*"))
|
|
442
|
608 ;; do some funky display here.
|
|
|
609 (set-extent-begin-glyph ext progress-layout-glyph)
|
|
|
610 ;; fixup the gutter specifiers
|
|
|
611 (set-gutter-element bottom-gutter 'progress gutter-string frame)
|
|
|
612 (set-specifier bottom-gutter-border-width 2 frame)
|
|
|
613 (set-instantiator-property progress-gauge-instantiator :value val)
|
|
|
614 (set-progress-feedback-instantiator (frame-selected-window frame))
|
|
|
615
|
|
|
616 (set-instantiator-property progress-text-instantiator :data message)
|
|
|
617 (set-progress-feedback-instantiator (frame-selected-window frame))
|
|
|
618 (if (and (eq (specifier-instance bottom-gutter-height frame)
|
|
|
619 'autodetect)
|
|
|
620 (gutter-element-visible-p bottom-gutter-visible-p
|
|
|
621 'progress frame))
|
|
|
622 ;; if the gauge is already visible then just draw the gutter
|
|
|
623 ;; checking for user events
|
|
428
|
624 (progn
|
|
442
|
625 (redisplay-gutter-area)
|
|
|
626 (progress-feedback-dispatch-non-command-events))
|
|
|
627 ;; otherwise make the gutter visible and redraw the frame
|
|
|
628 (set-specifier bottom-gutter-height 'autodetect frame)
|
|
|
629 (set-gutter-element-visible-p bottom-gutter-visible-p
|
|
|
630 'progress t frame)
|
|
|
631 ;; we have to do this so redisplay is up-to-date and so
|
|
|
632 ;; redisplay-gutter-area performs optimally. This may also
|
|
|
633 ;; make sure the frame geometry looks ok.
|
|
|
634 (progress-feedback-dispatch-non-command-events)
|
|
|
635 (redisplay-frame frame)
|
|
|
636 ))))
|
|
428
|
637
|
|
442
|
638 (defun display-progress-feedback (label message &optional value frame)
|
|
428
|
639 "Display a progress gauge and message in the bottom gutter area.
|
|
|
640 First argument LABEL is an identifier for this message. MESSAGE is
|
|
442
|
641 the string to display. Use `clear-progress-feedback' to remove a labelled
|
|
428
|
642 message."
|
|
442
|
643 (cond ((eq value 'abort)
|
|
|
644 (abort-progress-feedback label message frame))
|
|
|
645 ((or (not (valid-image-instantiator-format-p 'progress-gauge frame))
|
|
|
646 progress-feedback-use-echo-area)
|
|
|
647 (display-message label
|
|
|
648 (concat message (if (eq value 100) "done."
|
|
|
649 (make-string (/ value 5) ?.)))
|
|
|
650 frame))
|
|
|
651 (t
|
|
|
652 (append-progress-feedback label message value frame))))
|
|
428
|
653
|
|
442
|
654 (defun current-progress-feedback (&optional frame)
|
|
428
|
655 "Return the current progress gauge in the gutter area, or nil.
|
|
|
656 The FRAME argument is currently unused."
|
|
|
657 (cdr (car progress-stack)))
|
|
|
658
|
|
|
659 ;;; may eventually be frame-dependent
|
|
442
|
660 (defun current-progress-feedback-label (&optional frame)
|
|
428
|
661 (car (car progress-stack)))
|
|
|
662
|
|
442
|
663 (defun progress-feedback (fmt &optional value &rest args)
|
|
428
|
664 "Print a progress gauge and message in the bottom gutter area of the frame.
|
|
|
665 The arguments are the same as to `format'.
|
|
|
666
|
|
|
667 If the only argument is nil, clear any existing progress gauge."
|
|
442
|
668 (save-excursion
|
|
|
669 (if (and (null fmt) (null args))
|
|
|
670 (prog1 nil
|
|
|
671 (clear-progress-feedback nil))
|
|
|
672 (let ((str (apply 'format fmt args)))
|
|
|
673 (display-progress-feedback 'progress str value)
|
|
|
674 str))))
|
|
428
|
675
|
|
442
|
676 (defun progress-feedback-with-label (label fmt &optional value &rest args)
|
|
428
|
677 "Print a progress gauge and message in the bottom gutter area of the frame.
|
|
|
678 First argument LABEL is an identifier for this progress gauge. The rest of the
|
|
|
679 arguments are the same as to `format'."
|
|
442
|
680 ;; #### sometimes the buffer gets changed temporarily. I don't know
|
|
|
681 ;; why this is, so protect against it.
|
|
|
682 (save-excursion
|
|
|
683 (if (and (null fmt) (null args))
|
|
|
684 (prog1 nil
|
|
|
685 (clear-progress-feedback label nil))
|
|
|
686 (let ((str (apply 'format fmt args)))
|
|
|
687 (display-progress-feedback label str value)
|
|
|
688 str))))
|
|
428
|
689
|
|
931
|
690 (defun buffers-tab-omit-some-buffers (buf)
|
|
|
691 "For use as a value of `buffers-tab-omit-function'.
|
|
|
692 Omit buffers based on the value of `buffers-tab-omit-list', which
|
|
|
693 see."
|
|
|
694 (let ((regexp (mapconcat 'concat buffers-tab-omit-list "\\|")))
|
|
|
695 (not (null (string-match regexp (buffer-name buf))))))
|
|
|
696
|
|
428
|
697 (provide 'gutter-items)
|
|
|
698 ;;; gutter-items.el ends here.
|
