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1 ;;; Toolbar related functions and commands
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2 ;;; Copyright (C) 1995 Kyle E. Jones
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3 ;;;
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4 ;;; This program is free software; you can redistribute it and/or modify
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5 ;;; it under the terms of the GNU General Public License as published by
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6 ;;; the Free Software Foundation; either version 1, or (at your option)
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7 ;;; any later version.
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8 ;;;
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9 ;;; This program is distributed in the hope that it will be useful,
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10 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 ;;; GNU General Public License for more details.
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13 ;;;
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14 ;;; You should have received a copy of the GNU General Public License
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15 ;;; along with this program; if not, write to the Free Software
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16 ;;; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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17
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18 (provide 'vm-toolbar)
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19
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20 (defvar vm-toolbar-specifier nil)
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21 (defvar vm-toolbar nil)
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22
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23 (defvar vm-toolbar-next-button
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24 [vm-toolbar-next-icon
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25 vm-toolbar-next-command
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26 (vm-toolbar-any-messages-p)
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27 "Go to the next message.\n
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28 The command `vm-toolbar-next-command' is run, which is normally
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29 bound to `vm-next-message'.
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30 You can make this button run some other command by using a Lisp
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31 s-expression like this one in your .vm file:
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32 (fset 'vm-toolbar-next-command 'some-other-command)"])
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33 (defvar vm-toolbar-next-icon nil)
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34 (or (fboundp 'vm-toolbar-next-command)
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35 (fset 'vm-toolbar-next-command 'vm-next-message))
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36
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37 (defvar vm-toolbar-previous-button
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38 [vm-toolbar-previous-icon
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39 vm-toolbar-previous-command
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40 (vm-toolbar-any-messages-p)
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41 "Go to the previous message.\n
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42 The command `vm-toolbar-previous-command' is run, which is normally
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43 bound to `vm-previous-message'.
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44 You can make this button run some other command by using a Lisp
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45 s-expression like this one in your .vm file:
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46 (fset 'vm-toolbar-previous-command 'some-other-command)"])
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47 (defvar vm-toolbar-previous-icon nil)
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48 (or (fboundp 'vm-toolbar-previous-command)
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49 (fset 'vm-toolbar-previous-command 'vm-previous-message))
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50
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51 (defvar vm-toolbar-autofile-button
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52 [vm-toolbar-autofile-icon
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53 vm-toolbar-autofile-message
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54 (vm-toolbar-can-autofile-p)
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55 "Save the current message to a folder selected using vm-auto-folder-alist."])
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56 (defvar vm-toolbar-autofile-icon nil)
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57
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58 (defvar vm-toolbar-file-button
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59 [vm-toolbar-file-icon vm-toolbar-file-command (vm-toolbar-any-messages-p)
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60 "Save the current message to a folder.\n
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61 The command `vm-toolbar-file-command' is run, which is normally
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62 bound to `vm-save-message'.
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63 You can make this button run some other command by using a Lisp
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64 s-expression like this one in your .vm file:
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65 (fset 'vm-toolbar-file-command 'some-other-command)"])
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66 (defvar vm-toolbar-file-icon nil)
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67 (or (fboundp 'vm-toolbar-file-command)
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68 (fset 'vm-toolbar-file-command 'vm-save-message))
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69
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70 (defvar vm-toolbar-print-button
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71 [vm-toolbar-print-icon
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72 vm-toolbar-print-command
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73 (vm-toolbar-any-messages-p)
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74 "Print the current message.\n
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75 The command `vm-toolbar-print-command' is run, which is normally
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76 bound to `vm-print-message'.
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77 You can make this button run some other command by using a Lisp
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78 s-expression like this one in your .vm file:
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79 (fset 'vm-toolbar-print-command 'some-other-command)"])
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80 (defvar vm-toolbar-print-icon nil)
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81 (or (fboundp 'vm-toolbar-print-command)
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82 (fset 'vm-toolbar-print-command 'vm-print-message))
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83
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84 (defvar vm-toolbar-visit-button
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85 [vm-toolbar-visit-icon vm-toolbar-visit-command t
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86 "Visit a different folder.\n
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87 The command `vm-toolbar-visit-command' is run, which is normally
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88 bound to `vm-visit-folder'.
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89 You can make this button run some other command by using a Lisp
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90 s-expression like this one in your .vm file:
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91 (fset 'vm-toolbar-visit-command 'some-other-command)"])
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92 (defvar vm-toolbar-visit-icon nil)
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93 (or (fboundp 'vm-toolbar-visit-command)
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94 (fset 'vm-toolbar-visit-command 'vm-visit-folder))
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95
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96 (defvar vm-toolbar-reply-button
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97 [vm-toolbar-reply-icon
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98 vm-toolbar-reply-command
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99 (vm-toolbar-any-messages-p)
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100 "Reply to the current message.\n
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101 The command `vm-toolbar-reply-command' is run, which is normally
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102 bound to `vm-followup-include-text'.
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103 You can make this button run some other command by using a Lisp
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104 s-expression like this one in your .vm file:
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105 (fset 'vm-toolbar-reply-command 'some-other-command)"])
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106 (defvar vm-toolbar-reply-icon nil)
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107 (or (fboundp 'vm-toolbar-reply-command)
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108 (fset 'vm-toolbar-reply-command 'vm-followup-include-text))
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109
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110 (defvar vm-toolbar-compose-button
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111 [vm-toolbar-compose-icon vm-toolbar-compose-command t
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112 "Compose a new message.\n
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113 The command `vm-toolbar-compose-command' is run, which is normally
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114 bound to `vm-mail'.
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115 You can make this button run some other command by using a Lisp
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116 s-expression like this one in your .vm file:
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117 (fset 'vm-toolbar-compose-command 'some-other-command)"])
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118 (defvar vm-toolbar-compose-icon nil)
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119 (or (fboundp 'vm-toolbar-compose-command)
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120 (fset 'vm-toolbar-compose-command 'vm-mail))
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121
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122 (defvar vm-toolbar-delete-icon nil)
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123
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124 (defvar vm-toolbar-undelete-icon nil)
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125
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126 (defvar vm-toolbar-delete/undelete-button
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127 [vm-toolbar-delete/undelete-icon
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128 vm-toolbar-delete/undelete-message
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129 (vm-toolbar-any-messages-p)
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130 "Delete the current message, or undelete it if it is already deleted."])
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131 (defvar vm-toolbar-delete/undelete-icon nil)
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132 (make-variable-buffer-local 'vm-toolbar-delete/undelete-icon)
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133
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134 (defvar vm-toolbar-help-icon nil)
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135
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136 (defvar vm-toolbar-recover-icon nil)
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137
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138 (defvar vm-toolbar-helper-icon nil)
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139 (make-variable-buffer-local 'vm-toolbar-helper-icon)
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140
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141 (defvar vm-toolbar-help-button
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142 [vm-toolbar-helper-icon vm-toolbar-helper-command t
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143 "Don't Panic.\n
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144 VM uses this button to offer help if you're in trouble.
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145 Under normal circumstances, this button runs `vm-help'.\n
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146 If the current folder looks out-of-date relative to its auto-save
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147 file then this button will run `recover-file'."])
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148
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149 (defvar vm-toolbar-helper-command nil)
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150 (make-variable-buffer-local 'vm-toolbar-helper-command)
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151
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152 (defun vm-toolbar-helper-command ()
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153 (interactive)
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154 (setq this-command vm-toolbar-helper-command)
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155 (call-interactively vm-toolbar-helper-command))
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156
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157 (defvar vm-toolbar-quit-button
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158 [vm-toolbar-quit-icon vm-toolbar-quit-command t
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159 "Quit VM.\n
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160 The command `vm-toolbar-quit-command' is run, which is normally
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161 bound to `vm-quit'.
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162 You can make this button run some other command by using a Lisp
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163 s-expression like this one in your .vm file:
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164 (fset 'vm-toolbar-quit-command 'some-other-command)"])
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165 (defvar vm-toolbar-quit-icon nil)
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166 (or (fboundp 'vm-toolbar-quit-command)
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167 (fset 'vm-toolbar-quit-command 'vm-quit))
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168
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169 (defun vm-toolbar-any-messages-p ()
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170 (save-excursion
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171 (vm-check-for-killed-folder)
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172 (vm-select-folder-buffer)
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173 vm-message-list))
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174
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175 (defun vm-toolbar-delete/undelete-message (&optional prefix-arg)
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176 (interactive "P")
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177 (vm-follow-summary-cursor)
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178 (vm-select-folder-buffer)
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179 (vm-check-for-killed-summary)
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180 (vm-error-if-folder-read-only)
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181 (vm-error-if-folder-empty)
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182 (let ((current-prefix-arg prefix-arg))
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183 (if (vm-deleted-flag (car vm-message-pointer))
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184 (call-interactively 'vm-undelete-message)
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185 (call-interactively 'vm-delete-message))))
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186
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187 (defun vm-toolbar-can-autofile-p ()
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188 (interactive)
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189 (save-excursion
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190 (vm-check-for-killed-folder)
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191 (vm-select-folder-buffer)
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192 (and vm-message-pointer
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193 (vm-auto-select-folder vm-message-pointer vm-auto-folder-alist))))
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194
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195 (defun vm-toolbar-autofile-message ()
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196 (interactive)
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197 (vm-follow-summary-cursor)
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198 (vm-select-folder-buffer)
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199 (vm-check-for-killed-summary)
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200 (vm-error-if-folder-read-only)
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201 (vm-error-if-folder-empty)
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202 (let ((file (vm-auto-select-folder vm-message-pointer vm-auto-folder-alist)))
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203 (if file
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204 (progn
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205 (vm-save-message file 1)
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206 (message "Message saved to %s" file))
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207 (error "No match for message in vm-auto-folder-alist."))))
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208
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209 (defun vm-toolbar-can-recover-p ()
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210 (save-excursion
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211 (vm-check-for-killed-folder)
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212 (vm-select-folder-buffer)
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213 (and vm-folder-read-only
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214 buffer-file-name
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215 buffer-auto-save-file-name
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216 (null (buffer-modified-p))
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217 (file-newer-than-file-p
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218 buffer-auto-save-file-name
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219 buffer-file-name))))
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220
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221 (defun vm-toolbar-update-toolbar ()
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222 (if (and vm-message-pointer (vm-deleted-flag (car vm-message-pointer)))
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223 (setq vm-toolbar-delete/undelete-icon vm-toolbar-undelete-icon)
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224 (setq vm-toolbar-delete/undelete-icon vm-toolbar-delete-icon))
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225 (cond ((vm-toolbar-can-recover-p)
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226 (setq vm-toolbar-helper-command 'recover-file
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227 vm-toolbar-helper-icon vm-toolbar-recover-icon))
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228 (t
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229 (setq vm-toolbar-helper-command 'vm-help
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230 vm-toolbar-helper-icon vm-toolbar-help-icon)))
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231 (if vm-summary-buffer
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232 (vm-copy-local-variables vm-summary-buffer
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233 'vm-toolbar-delete/undelete-icon
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234 'vm-toolbar-helper-command
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235 'vm-toolbar-helper-icon))
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236 (and vm-toolbar-specifier
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237 (progn
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238 (let ((locale (if (memq 'vm-delete-buffer-frame kill-buffer-hook)
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239 (selected-frame)
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240 (current-buffer))))
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241 (set-specifier vm-toolbar-specifier (cons locale nil))
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242 (set-specifier vm-toolbar-specifier (cons locale vm-toolbar))))))
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243
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244 (defun vm-toolbar-install-toolbar ()
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245 (vm-toolbar-initialize)
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246 (let ((toolbar (vm-toolbar-make-toolbar-spec))
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247 (height (+ 4 (glyph-height (car vm-toolbar-help-icon))))
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248 (width (+ 4 (glyph-width (car vm-toolbar-help-icon))))
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249 (locale (if (memq 'vm-delete-buffer-frame kill-buffer-hook)
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250 (selected-frame)
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251 (current-buffer))))
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252 (setq vm-toolbar toolbar)
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253 (cond ((eq vm-toolbar-orientation 'right)
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254 (setq vm-toolbar-specifier right-toolbar)
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255 (set-specifier right-toolbar (cons locale toolbar))
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256 (set-specifier right-toolbar-width (cons (selected-frame) width)))
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257 ((eq vm-toolbar-orientation 'left)
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258 (setq vm-toolbar-specifier left-toolbar)
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259 (set-specifier left-toolbar (cons locale toolbar))
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260 (set-specifier left-toolbar-width (cons (selected-frame) width)))
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261 ((eq vm-toolbar-orientation 'bottom)
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262 (setq vm-toolbar-specifier bottom-toolbar)
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263 (set-specifier bottom-toolbar (cons locale toolbar))
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264 (set-specifier bottom-toolbar-height (cons (selected-frame)
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265 height)))
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266 (t
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267 (setq vm-toolbar-specifier top-toolbar)
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268 (set-specifier top-toolbar (cons locale toolbar))
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269 (set-specifier top-toolbar-height (cons (selected-frame)
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270 height))))))
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271
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272 (defun vm-toolbar-make-toolbar-spec ()
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273 (let ((button-alist '(
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274 (autofile . vm-toolbar-autofile-button)
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275 (compose . vm-toolbar-compose-button)
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276 (delete/undelete . vm-toolbar-delete/undelete-button)
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277 (file . vm-toolbar-file-button)
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278 (help . vm-toolbar-help-button)
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279 (next . vm-toolbar-next-button)
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280 (previous . vm-toolbar-previous-button)
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281 (print . vm-toolbar-print-button)
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282 (quit . vm-toolbar-quit-button)
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283 (reply . vm-toolbar-reply-button)
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284 (visit . vm-toolbar-visit-button)
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285 ))
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286 (button-list vm-use-toolbar)
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287 cons
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288 (toolbar nil))
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289 (while button-list
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290 (if (null (car button-list))
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291 (setq toolbar (cons nil toolbar))
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292 (setq cons (assq (car button-list) button-alist))
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293 (if cons
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294 (setq toolbar (cons (symbol-value (cdr cons)) toolbar))))
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295 (setq button-list (cdr button-list)))
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296 (nreverse toolbar) ))
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297
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298 (defun vm-toolbar-initialize ()
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299 ;; drag these in now instead of waiting for them to be
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300 ;; autoloaded. the "loading..." messages could come at a bad
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301 ;; moment and wipe an important echo area message, like "Auto
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302 ;; save file is newer..."
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303 (require 'vm-save)
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304 (require 'vm-summary)
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305 (cond
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306 ((null vm-toolbar-help-icon)
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307 (let ((tuples
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308 (if (featurep 'xpm)
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309 '(
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310 (vm-toolbar-next-icon "next-up.xpm" "next-dn.xpm" "next-dn.xpm")
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311 (vm-toolbar-previous-icon "previous-up.xpm" "previous-dn.xpm"
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312 "previous-dn.xpm")
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313 (vm-toolbar-delete-icon "delete-up.xpm" "delete-dn.xpm" "delete-dn.xpm")
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314 (vm-toolbar-undelete-icon "undelete-up.xpm" "undelete-dn.xpm"
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315 "undelete-dn.xpm")
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316 (vm-toolbar-autofile-icon "autofile-up.xpm" "autofile-dn.xpm"
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317 "autofile-dn.xpm")
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318 (vm-toolbar-file-icon "file-up.xpm" "file-dn.xpm" "file-dn.xpm")
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319 (vm-toolbar-reply-icon "reply-up.xpm" "reply-dn.xpm" "reply-dn.xpm")
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320 (vm-toolbar-compose-icon "compose-up.xpm" "compose-dn.xpm" "compose-dn.xpm")
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321 (vm-toolbar-print-icon "print-up.xpm" "print-dn.xpm" "print-dn.xpm")
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322 (vm-toolbar-visit-icon "visit-up.xpm" "visit-dn.xpm" "visit-dn.xpm")
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323 (vm-toolbar-quit-icon "quit-up.xpm" "quit-dn.xpm" "quit-dn.xpm")
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324 (vm-toolbar-help-icon "help-up.xpm" "help-dn.xpm" "help-dn.xpm")
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325 (vm-toolbar-recover-icon "recover-up.xpm" "recover-dn.xpm" "recover-dn.xpm")
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326 )
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327 '(
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328 (vm-toolbar-next-icon "next-up.xbm" "next-dn.xbm" "next-xx.xbm")
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329 (vm-toolbar-previous-icon "previous-up.xbm" "previous-dn.xbm"
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330 "previous-xx.xbm")
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331 (vm-toolbar-delete-icon "delete-up.xbm" "delete-dn.xbm" "delete-xx.xbm")
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332 (vm-toolbar-undelete-icon "undelete-up.xbm" "undelete-dn.xbm"
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333 "undelete-xx.xbm")
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334 (vm-toolbar-autofile-icon "autofile-up.xbm" "autofile-dn.xbm"
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335 "autofile-xx.xbm")
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336 (vm-toolbar-file-icon "file-up.xbm" "file-dn.xbm" "file-xx.xbm")
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337 (vm-toolbar-reply-icon "reply-up.xbm" "reply-dn.xbm" "reply-xx.xbm")
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338 (vm-toolbar-compose-icon "compose-up.xbm" "compose-dn.xbm" "compose-xx.xbm")
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339 (vm-toolbar-print-icon "print-up.xbm" "print-dn.xbm" "print-xx.xbm")
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340 (vm-toolbar-visit-icon "visit-up.xbm" "visit-dn.xbm" "visit-xx.xbm")
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341 (vm-toolbar-quit-icon "quit-up.xbm" "quit-dn.xbm" "quit-xx.xbm")
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342 (vm-toolbar-help-icon "help-up.xbm" "help-dn.xbm" "help-xx.xpm")
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343 (vm-toolbar-recover-icon "recover-up.xbm" "recover-dn.xbm" "recover-xx.xpm")
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344 )))
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345 tuple files var)
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346 (if (not (file-directory-p vm-toolbar-pixmap-directory))
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347 (error "Bad toolbar pixmap directory: %s"
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348 vm-toolbar-pixmap-directory)
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349 (while tuples
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350 (setq tuple (car tuples)
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351 var (car tuple)
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352 files (cdr tuple))
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353 (set var (mapcar
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354 (function
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355 (lambda (f)
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356 (make-glyph
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357 (expand-file-name f vm-toolbar-pixmap-directory))))
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358 files))
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359 (setq tuples (cdr tuples)))))))
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360 (setq vm-toolbar-delete/undelete-icon vm-toolbar-delete-icon)
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361 (setq vm-toolbar-helper-command 'vm-help)
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70
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362 (setq vm-toolbar-helper-icon vm-toolbar-help-icon))
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