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1 ;;; Commands to move around within a VM message
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2 ;;; Copyright (C) 1989-1997 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-page)
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19
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20 (defun vm-scroll-forward (&optional arg)
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21 "Scroll forward a screenful of text.
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22 If the current message is being previewed, the message body is revealed.
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23 If at the end of the current message, moves to the next message iff the
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24 value of vm-auto-next-message is non-nil.
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25 Prefix argument N means scroll forward N lines."
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26 (interactive "P")
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27 (let ((mp-changed (vm-follow-summary-cursor))
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155
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28 needs-decoding
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29 (was-invisible nil))
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30 (vm-select-folder-buffer)
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31 (vm-check-for-killed-summary)
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98
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32 (vm-check-for-killed-presentation)
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0
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33 (vm-error-if-folder-empty)
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155
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34 (setq needs-decoding (and vm-display-using-mime
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35 (not vm-mime-decoded)
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36 (not (vm-mime-plain-message-p
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37 (car vm-message-pointer)))
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38 vm-auto-decode-mime-messages
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39 (eq vm-system-state 'previewing)))
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98
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40 (and vm-presentation-buffer
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41 (set-buffer vm-presentation-buffer))
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42 (let ((point (point))
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43 (w (vm-get-visible-buffer-window (current-buffer))))
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44 (if (or (null w)
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45 (not (vm-frame-totally-visible-p (vm-window-frame w))))
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46 (progn
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47 (vm-display (current-buffer) t
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48 '(vm-scroll-forward vm-scroll-backward)
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49 (list this-command 'reading-message))
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50 ;; window start sticks to end of clip region when clip
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51 ;; region moves back past it in the buffer. fix it.
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52 (setq w (vm-get-visible-buffer-window (current-buffer)))
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0
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53 (if (= (window-start w) (point-max))
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54 (set-window-start w (point-min)))
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55 (setq was-invisible t))))
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155
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56 (if (or mp-changed was-invisible needs-decoding
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57 (and (eq vm-system-state 'previewing)
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58 (pos-visible-in-window-p
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59 (point-max)
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60 (vm-get-visible-buffer-window (current-buffer)))))
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61 (progn
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62 (if (not was-invisible)
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63 (let ((w (vm-get-visible-buffer-window (current-buffer)))
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64 old-w-start)
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65 (setq old-w-start (window-start w))
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66 (vm-display nil nil '(vm-scroll-forward vm-scroll-backward)
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67 (list this-command 'reading-message))
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68 (setq w (vm-get-visible-buffer-window (current-buffer)))
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69 (and w (set-window-start w old-w-start))))
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70 (if (eq vm-system-state 'previewing)
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71 (vm-show-current-message))
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72 (vm-howl-if-eom))
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73 (let ((vmp vm-message-pointer)
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74 (msg-buf (current-buffer))
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75 (h-diff 0)
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76 w old-w old-w-height old-w-start result)
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77 (if (eq vm-system-state 'previewing)
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78 (vm-show-current-message))
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79 (setq vm-system-state 'reading)
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80 (setq old-w (vm-get-visible-buffer-window msg-buf)
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81 old-w-height (window-height old-w)
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82 old-w-start (window-start old-w))
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83 (vm-display nil nil '(vm-scroll-forward vm-scroll-backward)
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84 (list this-command 'reading-message))
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85 (setq w (vm-get-visible-buffer-window msg-buf))
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86 (if (null w)
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87 (error "current window configuration hides the message buffer.")
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88 (setq h-diff (- (window-height w) old-w-height)))
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89 ;; must restore this since it gets clobbered by window
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90 ;; teardown and rebuild done by the window config stuff.
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91 (set-window-start w old-w-start)
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92 (setq old-w (selected-window))
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93 (unwind-protect
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94 (progn
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95 (select-window w)
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96 (let ((next-screen-context-lines
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97 (+ next-screen-context-lines h-diff)))
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98 (while (eq (setq result (vm-scroll-forward-internal arg))
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99 'tryagain))
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100 (cond ((and (not (eq result 'next-message))
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101 vm-honor-page-delimiters)
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102 (vm-narrow-to-page)
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103 ;; This voodoo is required! For some
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104 ;; reason the 18.52 emacs display
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105 ;; doesn't immediately reflect the
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106 ;; clip region change that occurs
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107 ;; above without this mantra.
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108 (scroll-up 0)))))
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109 (select-window old-w))
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110 (set-buffer msg-buf)
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111 (cond ((eq result 'next-message)
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112 (vm-next-message))
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113 ((eq result 'end-of-message)
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114 (let ((vm-message-pointer vmp))
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115 (vm-emit-eom-blurb)))
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116 (t
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117 (and (> (prefix-numeric-value arg) 0)
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118 (vm-howl-if-eom)))))))
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119 (if (not vm-startup-message-displayed)
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120 (vm-display-startup-message)))
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121
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122 (defun vm-scroll-forward-internal (arg)
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123 (let ((direction (prefix-numeric-value arg))
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124 (w (selected-window)))
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125 (condition-case error-data
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100
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126 (progn (scroll-up arg) nil)
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127 ;; this looks like it should work, but doesn't because the
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128 ;; redisplay code is schizophrenic when it comes to updates. A
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129 ;; window position may no longer be visible but
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130 ;; pos-visible-in-window-p will still say it is because it was
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131 ;; visible before some window size change happened.
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132 ;; (progn
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133 ;; (if (and (> direction 0)
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134 ;; (pos-visible-in-window-p
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135 ;; (vm-text-end-of (car vm-message-pointer))))
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136 ;; (signal 'end-of-buffer nil)
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137 ;; (scroll-up arg))
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138 ;; nil )
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139 (error
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140 (if (or (and (< direction 0)
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141 (> (point-min) (vm-text-of (car vm-message-pointer))))
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142 (and (>= direction 0)
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143 (/= (point-max)
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144 (vm-text-end-of (car vm-message-pointer)))))
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145 (progn
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146 (vm-widen-page)
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147 (if (>= direction 0)
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148 (progn
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149 (forward-page 1)
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150 (set-window-start w (point))
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151 nil )
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152 (if (or (bolp)
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153 (not (save-excursion
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154 (beginning-of-line)
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155 (looking-at page-delimiter))))
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156 (forward-page -1))
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157 (beginning-of-line)
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158 (set-window-start w (point))
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159 'tryagain))
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160 (if (eq (car error-data) 'end-of-buffer)
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161 (if vm-auto-next-message
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162 'next-message
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163 (set-window-point w (point))
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164 'end-of-message)))))))
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165
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166 ;; exploratory scrolling, what a concept.
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167 ;;
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168 ;; we do this because pos-visible-in-window-p checks the current
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169 ;; window configuration, while this exploratory scrolling forces
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170 ;; Emacs to recompute the display, giving us an up to the moment
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171 ;; answer about where the end of the message is going to be
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172 ;; visible when redisplay finally does occur.
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173 (defun vm-howl-if-eom ()
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114
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174 (let ((w (get-buffer-window (current-buffer))))
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0
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175 (and w
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176 (save-excursion
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177 (save-window-excursion
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178 (condition-case ()
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179 (let ((next-screen-context-lines 0))
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180 (select-window w)
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181 (save-excursion
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182 (save-window-excursion
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183 ;; scroll-fix.el replaces scroll-up and
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184 ;; doesn't behave properly when it hits
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185 ;; end of buffer. It does this!
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186 ;; (ding)
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187 ;; (message (get 'beginning-of-buffer 'error-message))
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188 (let ((scroll-in-place-replace-original nil))
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189 (scroll-up nil))))
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190 nil)
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191 (error t))))
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192 (= (vm-text-end-of (car vm-message-pointer)) (point-max))
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193 (vm-emit-eom-blurb))))
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194
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195 (defun vm-emit-eom-blurb ()
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196 (if (vm-full-name-of (car vm-message-pointer))
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102
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197 (message "End of message %s from %s"
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198 (vm-number-of (car vm-message-pointer))
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199 (vm-full-name-of (car vm-message-pointer)))
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102
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200 (message "End of message %s"
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201 (vm-number-of (car vm-message-pointer)))))
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202
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203 (defun vm-scroll-backward (arg)
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204 "Scroll backward a screenful of text.
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205 Prefix N scrolls backward N lines."
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206 (interactive "P")
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207 (vm-scroll-forward (cond ((null arg) '-)
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208 ((consp arg) (list (- (car arg))))
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209 ((numberp arg) (- arg))
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210 ((symbolp arg) nil)
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211 (t arg))))
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212
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213 (defun vm-highlight-headers ()
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214 (cond
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120
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215 ((and vm-xemacs-p vm-use-lucid-highlighting)
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216 (require 'highlight-headers)
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217 ;; disable the url marking stuff, since VM has its own interface.
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218 (let ((highlight-headers-mark-urls nil)
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219 (highlight-headers-regexp (or vm-highlighted-header-regexp
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220 highlight-headers-regexp)))
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221 (highlight-headers (point-min) (point-max) t)))
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120
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222 (vm-xemacs-p
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223 (let (e)
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224 (map-extents (function
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225 (lambda (e ignore)
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226 (if (extent-property e 'vm-highlight)
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227 (delete-extent e))
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228 nil))
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229 (current-buffer) (point-min) (point-max))
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230 (goto-char (point-min))
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231 (while (vm-match-header)
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232 (cond ((vm-match-header vm-highlighted-header-regexp)
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233 (setq e (make-extent (vm-matched-header-contents-start)
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234 (vm-matched-header-contents-end)))
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235 (set-extent-property e 'face vm-highlighted-header-face)
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236 (set-extent-property e 'vm-highlight t)))
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237 (goto-char (vm-matched-header-end)))))
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238 ((fboundp 'overlay-put)
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239 (let (o-lists p)
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240 (setq o-lists (overlay-lists)
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241 p (car o-lists))
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242 (while p
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243 (and (overlay-get (car p) 'vm-highlight)
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244 (delete-overlay (car p)))
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245 (setq p (cdr p)))
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246 (setq p (cdr o-lists))
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247 (while p
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248 (and (overlay-get (car p) 'vm-highlight)
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249 (delete-overlay (car p)))
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250 (setq p (cdr p)))
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251 (goto-char (point-min))
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252 (while (vm-match-header)
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253 (cond ((vm-match-header vm-highlighted-header-regexp)
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254 (setq p (make-overlay (vm-matched-header-contents-start)
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255 (vm-matched-header-contents-end)))
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256 (overlay-put p 'face vm-highlighted-header-face)
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257 (overlay-put p 'vm-highlight t)))
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258 (goto-char (vm-matched-header-end)))))))
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259
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260 (defun vm-energize-urls ()
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261 ;; Don't search too long in large regions. If the region is
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262 ;; large, search just the head and the tail of the region since
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263 ;; they tend to contain the interesting text.
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264 (let ((search-limit vm-url-search-limit)
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265 search-pairs n)
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266 (if (and search-limit (> (- (point-max) (point-min)) search-limit))
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267 (setq search-pairs (list (cons (point-min)
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268 (+ (point-min) (/ search-limit 2)))
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269 (cons (- (point-max) (/ search-limit 2))
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270 (point-max))))
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271 (setq search-pairs (list (cons (point-min) (point-max)))))
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272 (cond
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273 (vm-xemacs-p
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274 (let (e)
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275 (map-extents (function
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276 (lambda (e ignore)
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277 (if (extent-property e 'vm-url)
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278 (delete-extent e))
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279 nil))
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280 (current-buffer) (point-min) (point-max))
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281 (while search-pairs
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282 (goto-char (car (car search-pairs)))
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283 (while (re-search-forward vm-url-regexp (cdr (car search-pairs)) t)
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284 (setq n 1)
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285 (while (null (match-beginning n))
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286 (vm-increment n))
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287 (setq e (make-extent (match-beginning n) (match-end n)))
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288 (set-extent-property e 'vm-url t)
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289 (if vm-highlight-url-face
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290 (set-extent-property e 'face vm-highlight-url-face))
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291 (if vm-url-browser
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118
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292 (let ((keymap (make-sparse-keymap))
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293 (popup-function
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294 (if (save-excursion
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295 (goto-char (match-beginning n))
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296 (looking-at "mailto:"))
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297 'vm-menu-popup-mailto-url-browser-menu
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298 'vm-menu-popup-url-browser-menu)))
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0
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299 (define-key keymap 'button2 'vm-mouse-send-url-at-event)
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300 (if vm-popup-menu-on-mouse-3
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301 (define-key keymap 'button3 popup-function))
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302 (define-key keymap "\r"
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303 (function (lambda () (interactive)
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304 (vm-mouse-send-url-at-position (point)))))
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305 (set-extent-property e 'keymap keymap)
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306 (set-extent-property e 'balloon-help 'vm-url-help)
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307 (set-extent-property e 'highlight t))))
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308 (setq search-pairs (cdr search-pairs)))))
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120
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309 ((and vm-fsfemacs-19-p
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310 (fboundp 'overlay-put))
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311 (let (o-lists o p)
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312 (setq o-lists (overlay-lists)
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313 p (car o-lists))
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314 (while p
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315 (and (overlay-get (car p) 'vm-url)
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316 (delete-overlay (car p)))
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317 (setq p (cdr p)))
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318 (setq p (cdr o-lists))
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319 (while p
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320 (and (overlay-get (car p) 'vm-url)
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321 (delete-overlay (car p)))
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322 (setq p (cdr p)))
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323 (while search-pairs
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324 (goto-char (car (car search-pairs)))
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325 (while (re-search-forward vm-url-regexp (cdr (car search-pairs)) t)
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98
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326 (setq n 1)
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327 (while (null (match-beginning n))
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328 (vm-increment n))
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329 (setq o (make-overlay (match-beginning n) (match-end n)))
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0
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330 (overlay-put o 'vm-url t)
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331 (if vm-highlight-url-face
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332 (overlay-put o 'face vm-highlight-url-face))
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333 (if vm-url-browser
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118
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334 (let ((keymap (make-sparse-keymap))
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335 (popup-function
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336 (if (save-excursion
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337 (goto-char (match-beginning n))
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338 (looking-at "mailto:"))
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339 'vm-menu-popup-mailto-url-browser-menu
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340 'vm-menu-popup-url-browser-menu)))
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98
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341 (overlay-put o 'mouse-face 'highlight)
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342 (setq keymap (nconc keymap (current-local-map)))
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118
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343 (if vm-popup-menu-on-mouse-3
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344 (define-key keymap [mouse-3] popup-function))
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98
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345 (define-key keymap "\r"
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346 (function (lambda () (interactive)
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347 (vm-mouse-send-url-at-position (point)))))
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348 (overlay-put o 'local-map keymap))))
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0
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349 (setq search-pairs (cdr search-pairs))))))))
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350
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351 (defun vm-energize-headers ()
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352 (cond
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120
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353 (vm-xemacs-p
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0
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354 (let ((search-tuples '(("^From:" vm-menu-author-menu)
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355 ("^Subject:" vm-menu-subject-menu)))
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356 regexp menu keymap e)
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357 (map-extents (function
|
|
|
358 (lambda (e ignore)
|
|
|
359 (if (extent-property e 'vm-header)
|
|
|
360 (delete-extent e))
|
|
|
361 nil))
|
|
|
362 (current-buffer) (point-min) (point-max))
|
|
|
363 (while search-tuples
|
|
|
364 (goto-char (point-min))
|
|
|
365 (setq regexp (nth 0 (car search-tuples))
|
|
|
366 menu (symbol-value (nth 1 (car search-tuples))))
|
|
|
367 (while (re-search-forward regexp nil t)
|
|
|
368 (save-excursion (goto-char (match-beginning 0)) (vm-match-header))
|
|
|
369 (setq e (make-extent (vm-matched-header-contents-start)
|
|
|
370 (vm-matched-header-contents-end)))
|
|
|
371 (set-extent-property e 'vm-header t)
|
|
|
372 (setq keymap (make-sparse-keymap))
|
|
|
373 ;; Might as well make button2 do what button3 does in
|
|
|
374 ;; this case, since there is no default 'select'
|
|
|
375 ;; action.
|
|
|
376 (define-key keymap 'button2
|
|
|
377 (list 'lambda () '(interactive)
|
|
|
378 (list 'popup-menu (list 'quote menu))))
|
|
98
|
379 (if vm-popup-menu-on-mouse-3
|
|
|
380 (define-key keymap 'button3
|
|
|
381 (list 'lambda () '(interactive)
|
|
|
382 (list 'popup-menu (list 'quote menu)))))
|
|
0
|
383 (set-extent-property e 'keymap keymap)
|
|
|
384 (set-extent-property e 'balloon-help 'vm-mouse-3-help)
|
|
|
385 (set-extent-property e 'highlight t))
|
|
|
386 (setq search-tuples (cdr search-tuples)))))
|
|
120
|
387 ((and vm-fsfemacs-19-p
|
|
0
|
388 (fboundp 'overlay-put))
|
|
|
389 (let ((search-tuples '(("^From:" vm-menu-fsfemacs-author-menu)
|
|
|
390 ("^Subject:" vm-menu-fsfemacs-subject-menu)))
|
|
|
391 regexp menu
|
|
|
392 o-lists o p)
|
|
|
393 (setq o-lists (overlay-lists)
|
|
|
394 p (car o-lists))
|
|
|
395 (while p
|
|
|
396 (and (overlay-get (car p) 'vm-header)
|
|
|
397 (delete-overlay (car p)))
|
|
|
398 (setq p (cdr p)))
|
|
|
399 (setq p (cdr o-lists))
|
|
|
400 (while p
|
|
|
401 (and (overlay-get (car p) 'vm-header)
|
|
|
402 (delete-overlay (car p)))
|
|
|
403 (setq p (cdr p)))
|
|
|
404 (while search-tuples
|
|
|
405 (goto-char (point-min))
|
|
|
406 (setq regexp (nth 0 (car search-tuples))
|
|
|
407 menu (symbol-value (nth 1 (car search-tuples))))
|
|
|
408 (while (re-search-forward regexp nil t)
|
|
|
409 (goto-char (match-end 0))
|
|
|
410 (save-excursion (goto-char (match-beginning 0)) (vm-match-header))
|
|
|
411 (setq o (make-overlay (vm-matched-header-contents-start)
|
|
|
412 (vm-matched-header-contents-end)))
|
|
|
413 (overlay-put o 'vm-header menu)
|
|
|
414 (overlay-put o 'mouse-face 'highlight))
|
|
|
415 (setq search-tuples (cdr search-tuples)))))))
|
|
|
416
|
|
|
417 (defun vm-display-xface ()
|
|
|
418 (let ((case-fold-search t) e g h)
|
|
|
419 (if (map-extents (function
|
|
|
420 (lambda (e ignore)
|
|
|
421 (if (extent-property e 'vm-xface)
|
|
|
422 t
|
|
|
423 nil)))
|
|
|
424 (current-buffer) (point-min) (point-max))
|
|
|
425 nil
|
|
|
426 (goto-char (point-min))
|
|
|
427 (if (find-face 'vm-xface)
|
|
|
428 nil
|
|
|
429 (make-face 'vm-xface)
|
|
|
430 (set-face-background 'vm-xface "white")
|
|
|
431 (set-face-foreground 'vm-xface "black"))
|
|
|
432 (if (re-search-forward "^X-Face:" nil t)
|
|
|
433 (progn
|
|
|
434 (goto-char (match-beginning 0))
|
|
|
435 (vm-match-header)
|
|
108
|
436 (setq h (concat "X-Face: " (vm-matched-header-contents)))
|
|
0
|
437 (setq g (intern h vm-xface-cache))
|
|
|
438 (if (boundp g)
|
|
|
439 (setq g (symbol-value g))
|
|
70
|
440 (set g (make-glyph h))
|
|
0
|
441 (setq g (symbol-value g))
|
|
|
442 ;; XXX broken. Gives extra pixel lines at the
|
|
|
443 ;; bottom of the glyph in 19.12
|
|
|
444 ;;(set-glyph-baseline g 100)
|
|
|
445 (set-glyph-face g 'vm-xface))
|
|
|
446 (setq e (make-extent (vm-vheaders-of (car vm-message-pointer))
|
|
|
447 (vm-vheaders-of (car vm-message-pointer))))
|
|
|
448 (set-extent-property e 'vm-xface t)
|
|
|
449 (set-extent-begin-glyph e g))))))
|
|
|
450
|
|
|
451 (defun vm-url-help (object)
|
|
|
452 (format
|
|
|
453 "Use mouse button 2 to send the URL to %s.
|
|
|
454 Use mouse button 3 to choose a Web browser for the URL."
|
|
|
455 (cond ((stringp vm-url-browser) vm-url-browser)
|
|
|
456 ((eq vm-url-browser 'w3-fetch)
|
|
|
457 "Emacs W3")
|
|
|
458 ((eq vm-url-browser 'w3-fetch-other-frame)
|
|
|
459 "Emacs W3")
|
|
|
460 ((eq vm-url-browser 'vm-mouse-send-url-to-mosaic)
|
|
|
461 "Mosaic")
|
|
|
462 ((eq vm-url-browser 'vm-mouse-send-url-to-netscape)
|
|
|
463 "Netscape")
|
|
|
464 (t (symbol-name vm-url-browser)))))
|
|
|
465
|
|
98
|
466 (defun vm-energize-urls-in-message-region (&optional start end)
|
|
|
467 (save-excursion
|
|
|
468 (or start (setq start (vm-headers-of (car vm-message-pointer))))
|
|
|
469 (or end (setq end (vm-text-end-of (car vm-message-pointer))))
|
|
|
470 ;; energize the URLs
|
|
|
471 (if (or vm-highlight-url-face vm-url-browser)
|
|
|
472 (save-restriction
|
|
|
473 (widen)
|
|
114
|
474 (narrow-to-region start end)
|
|
98
|
475 (vm-energize-urls)))))
|
|
|
476
|
|
|
477 (defun vm-highlight-headers-maybe ()
|
|
|
478 ;; highlight the headers
|
|
|
479 (if (or vm-highlighted-header-regexp
|
|
120
|
480 (and vm-xemacs-p vm-use-lucid-highlighting))
|
|
98
|
481 (save-restriction
|
|
|
482 (widen)
|
|
|
483 (narrow-to-region (vm-headers-of (car vm-message-pointer))
|
|
|
484 (vm-text-end-of (car vm-message-pointer)))
|
|
|
485 (vm-highlight-headers))))
|
|
|
486
|
|
|
487 (defun vm-energize-headers-and-xfaces ()
|
|
|
488 ;; energize certain headers
|
|
|
489 (if (and vm-use-menus (vm-menu-support-possible-p))
|
|
|
490 (save-restriction
|
|
|
491 (widen)
|
|
|
492 (narrow-to-region (vm-headers-of (car vm-message-pointer))
|
|
|
493 (vm-text-of (car vm-message-pointer)))
|
|
|
494 (vm-energize-headers)))
|
|
|
495 ;; display xfaces, if we can
|
|
|
496 (if (and vm-display-xfaces
|
|
120
|
497 vm-xemacs-p
|
|
98
|
498 (featurep 'xface))
|
|
|
499 (save-restriction
|
|
|
500 (widen)
|
|
|
501 (narrow-to-region (vm-headers-of (car vm-message-pointer))
|
|
|
502 (vm-text-of (car vm-message-pointer)))
|
|
|
503 (vm-display-xface))))
|
|
|
504
|
|
|
505 (defun vm-narrow-for-preview ()
|
|
0
|
506 (widen)
|
|
|
507 ;; hide as much of the message body as vm-preview-lines specifies
|
|
|
508 (narrow-to-region
|
|
|
509 (vm-vheaders-of (car vm-message-pointer))
|
|
|
510 (cond ((not (eq vm-preview-lines t))
|
|
|
511 (min
|
|
|
512 (vm-text-end-of (car vm-message-pointer))
|
|
|
513 (save-excursion
|
|
|
514 (goto-char (vm-text-of (car vm-message-pointer)))
|
|
|
515 (forward-line (if (natnump vm-preview-lines) vm-preview-lines 0))
|
|
|
516 (point))))
|
|
98
|
517 (t (vm-text-end-of (car vm-message-pointer))))))
|
|
|
518
|
|
|
519 (defun vm-preview-current-message ()
|
|
|
520 (vm-save-buffer-excursion
|
|
114
|
521 (setq vm-system-state 'previewing
|
|
|
522 vm-mime-decoded nil)
|
|
98
|
523 (if vm-real-buffers
|
|
|
524 (vm-make-virtual-copy (car vm-message-pointer)))
|
|
|
525
|
|
|
526 ;; run the message select hooks.
|
|
|
527 (save-excursion
|
|
|
528 (vm-select-folder-buffer)
|
|
|
529 (vm-run-message-hook (car vm-message-pointer) 'vm-select-message-hook)
|
|
|
530 (and vm-select-new-message-hook (vm-new-flag (car vm-message-pointer))
|
|
|
531 (vm-run-message-hook (car vm-message-pointer)
|
|
|
532 'vm-select-new-message-hook))
|
|
|
533 (and vm-select-unread-message-hook
|
|
|
534 (vm-unread-flag (car vm-message-pointer))
|
|
|
535 (vm-run-message-hook (car vm-message-pointer)
|
|
|
536 'vm-select-unread-message-hook)))
|
|
0
|
537
|
|
98
|
538 (vm-narrow-for-preview)
|
|
|
539 (if (or vm-mime-display-function
|
|
|
540 (and vm-display-using-mime
|
|
|
541 (not (vm-mime-plain-message-p (car vm-message-pointer)))))
|
|
|
542 (let ((layout (vm-mm-layout (car vm-message-pointer))))
|
|
|
543 (vm-make-presentation-copy (car vm-message-pointer))
|
|
|
544 (vm-save-buffer-excursion
|
|
|
545 (vm-replace-buffer-in-windows (current-buffer)
|
|
|
546 vm-presentation-buffer))
|
|
|
547 (set-buffer vm-presentation-buffer)
|
|
|
548 (setq vm-system-state 'previewing)
|
|
|
549 (vm-narrow-for-preview))
|
|
|
550 (setq vm-presentation-buffer nil)
|
|
|
551 (and vm-presentation-buffer-handle
|
|
|
552 (vm-replace-buffer-in-windows vm-presentation-buffer-handle
|
|
|
553 (current-buffer))))
|
|
20
|
554
|
|
98
|
555 ;; at this point the current buffer is the presentation buffer
|
|
|
556 ;; if we're using one for this message.
|
|
|
557
|
|
108
|
558 (vm-unbury-buffer (current-buffer))
|
|
98
|
559 (vm-energize-urls-in-message-region)
|
|
|
560 (vm-highlight-headers-maybe)
|
|
|
561 (vm-energize-headers-and-xfaces)
|
|
0
|
562
|
|
98
|
563 (if vm-honor-page-delimiters
|
|
|
564 (vm-narrow-to-page))
|
|
|
565 (goto-char (vm-text-of (car vm-message-pointer)))
|
|
|
566 ;; If we have a window, set window start appropriately.
|
|
|
567 (let ((w (vm-get-visible-buffer-window (current-buffer))))
|
|
|
568 (if w
|
|
|
569 (progn (set-window-start w (point-min))
|
|
|
570 (set-window-point w (vm-text-of (car vm-message-pointer))))))
|
|
|
571 (if (or (null vm-preview-lines)
|
|
|
572 (and (not vm-preview-read-messages)
|
|
|
573 (not (vm-new-flag (car vm-message-pointer)))
|
|
|
574 (not (vm-unread-flag (car vm-message-pointer)))))
|
|
|
575 (vm-show-current-message)
|
|
|
576 (vm-update-summary-and-mode-line))))
|
|
0
|
577
|
|
|
578 (defun vm-show-current-message ()
|
|
98
|
579 (and vm-display-using-mime
|
|
|
580 vm-auto-decode-mime-messages
|
|
100
|
581 (if vm-mail-buffer
|
|
|
582 (not (vm-buffer-variable-value vm-mail-buffer 'vm-mime-decoded))
|
|
|
583 (not vm-mime-decoded))
|
|
98
|
584 (not (vm-mime-plain-message-p (car vm-message-pointer)))
|
|
114
|
585 (condition-case data
|
|
|
586 (vm-decode-mime-message)
|
|
|
587 (vm-mime-error (vm-set-mime-layout-of (car vm-message-pointer)
|
|
|
588 (car (cdr data)))
|
|
|
589 (message "%s" (car (cdr data))))))
|
|
98
|
590 (vm-save-buffer-excursion
|
|
|
591 (save-excursion
|
|
|
592 (save-excursion
|
|
|
593 (goto-char (point-min))
|
|
|
594 (widen)
|
|
|
595 (narrow-to-region (point) (vm-text-end-of (car vm-message-pointer))))
|
|
|
596 (if vm-honor-page-delimiters
|
|
|
597 (progn
|
|
|
598 (if (looking-at page-delimiter)
|
|
|
599 (forward-page 1))
|
|
|
600 (vm-narrow-to-page))))
|
|
|
601 ;; don't mark the message as read if the user can't see it!
|
|
|
602 (if (vm-get-visible-buffer-window (current-buffer))
|
|
|
603 (progn
|
|
|
604 (save-excursion
|
|
|
605 (setq vm-system-state 'showing)
|
|
|
606 (if vm-mail-buffer
|
|
|
607 (vm-set-buffer-variable vm-mail-buffer 'vm-system-state
|
|
|
608 'showing))
|
|
|
609 ;; We could be in the presentation buffer here. Since
|
|
|
610 ;; the presentation buffer's message pointer and sole
|
|
|
611 ;; message are a mockup, they will cause trouble if
|
|
|
612 ;; passed into the undo/update system. So we switch
|
|
|
613 ;; into the real message buffer to do attribute
|
|
|
614 ;; updates.
|
|
|
615 (vm-select-folder-buffer)
|
|
|
616 (cond ((vm-new-flag (car vm-message-pointer))
|
|
|
617 (vm-set-new-flag (car vm-message-pointer) nil)))
|
|
|
618 (cond ((vm-unread-flag (car vm-message-pointer))
|
|
|
619 (vm-set-unread-flag (car vm-message-pointer) nil))))
|
|
|
620 (vm-update-summary-and-mode-line)
|
|
|
621 (vm-howl-if-eom))
|
|
|
622 (vm-update-summary-and-mode-line))))
|
|
0
|
623
|
|
|
624 (defun vm-expose-hidden-headers ()
|
|
|
625 "Toggle exposing and hiding message headers that are normally not visible."
|
|
|
626 (interactive)
|
|
|
627 (vm-follow-summary-cursor)
|
|
|
628 (vm-select-folder-buffer)
|
|
|
629 (vm-check-for-killed-summary)
|
|
98
|
630 (vm-check-for-killed-presentation)
|
|
0
|
631 (vm-error-if-folder-empty)
|
|
98
|
632 (and vm-presentation-buffer
|
|
|
633 (set-buffer vm-presentation-buffer))
|
|
0
|
634 (vm-display (current-buffer) t '(vm-expose-hidden-headers)
|
|
|
635 '(vm-expose-hidden-headers reading-message))
|
|
|
636 (let* ((exposed (= (point-min) (vm-start-of (car vm-message-pointer)))))
|
|
|
637 (vm-widen-page)
|
|
|
638 (goto-char (point-max))
|
|
|
639 (widen)
|
|
|
640 (if exposed
|
|
|
641 (narrow-to-region (point) (vm-vheaders-of (car vm-message-pointer)))
|
|
|
642 (narrow-to-region (point) (vm-start-of (car vm-message-pointer))))
|
|
|
643 (goto-char (point-min))
|
|
|
644 (let (w)
|
|
|
645 (setq w (vm-get-visible-buffer-window (current-buffer)))
|
|
|
646 (and w (set-window-point w (point-min)))
|
|
|
647 (and w
|
|
|
648 (= (window-start w) (vm-vheaders-of (car vm-message-pointer)))
|
|
|
649 (not exposed)
|
|
|
650 (set-window-start w (vm-start-of (car vm-message-pointer)))))
|
|
|
651 (if vm-honor-page-delimiters
|
|
|
652 (vm-narrow-to-page))))
|
|
|
653
|
|
|
654 (defun vm-widen-page ()
|
|
|
655 (if (or (> (point-min) (vm-text-of (car vm-message-pointer)))
|
|
|
656 (/= (point-max) (vm-text-end-of (car vm-message-pointer))))
|
|
|
657 (narrow-to-region (vm-vheaders-of (car vm-message-pointer))
|
|
|
658 (if (or (vm-new-flag (car vm-message-pointer))
|
|
|
659 (vm-unread-flag (car vm-message-pointer)))
|
|
|
660 (vm-text-of (car vm-message-pointer))
|
|
|
661 (vm-text-end-of (car vm-message-pointer))))))
|
|
|
662
|
|
|
663 (defun vm-narrow-to-page ()
|
|
|
664 (save-excursion
|
|
|
665 (let (min max (omin (point-min)) (omax (point-max)))
|
|
|
666 (if (or (bolp) (not (save-excursion
|
|
|
667 (beginning-of-line)
|
|
|
668 (looking-at page-delimiter))))
|
|
|
669 (forward-page -1))
|
|
|
670 (setq min (point))
|
|
|
671 (forward-page 1)
|
|
|
672 (beginning-of-line)
|
|
|
673 (setq max (point))
|
|
|
674 (narrow-to-region min max))))
|
|
|
675
|
|
|
676 (defun vm-beginning-of-message ()
|
|
|
677 "Moves to the beginning of the current message."
|
|
|
678 (interactive)
|
|
|
679 (vm-follow-summary-cursor)
|
|
|
680 (vm-select-folder-buffer)
|
|
|
681 (vm-check-for-killed-summary)
|
|
98
|
682 (vm-check-for-killed-presentation)
|
|
0
|
683 (vm-error-if-folder-empty)
|
|
98
|
684 (and vm-presentation-buffer
|
|
|
685 (set-buffer vm-presentation-buffer))
|
|
0
|
686 (vm-widen-page)
|
|
|
687 (push-mark)
|
|
|
688 (vm-display (current-buffer) t '(vm-beginning-of-message)
|
|
|
689 '(vm-beginning-of-message reading-message))
|
|
|
690 (let ((osw (selected-window)))
|
|
|
691 (unwind-protect
|
|
|
692 (progn
|
|
|
693 (select-window (vm-get-visible-buffer-window (current-buffer)))
|
|
|
694 (goto-char (point-min)))
|
|
|
695 (if (not (eq osw (selected-window)))
|
|
|
696 (select-window osw))))
|
|
|
697 (if vm-honor-page-delimiters
|
|
|
698 (vm-narrow-to-page)))
|
|
|
699
|
|
|
700 (defun vm-end-of-message ()
|
|
|
701 "Moves to the end of the current message, exposing and flagging it read
|
|
|
702 as necessary."
|
|
|
703 (interactive)
|
|
|
704 (vm-follow-summary-cursor)
|
|
|
705 (vm-select-folder-buffer)
|
|
|
706 (vm-check-for-killed-summary)
|
|
98
|
707 (vm-check-for-killed-presentation)
|
|
0
|
708 (vm-error-if-folder-empty)
|
|
98
|
709 (and vm-presentation-buffer
|
|
|
710 (set-buffer vm-presentation-buffer))
|
|
0
|
711 (if (eq vm-system-state 'previewing)
|
|
|
712 (vm-show-current-message))
|
|
|
713 (setq vm-system-state 'reading)
|
|
|
714 (vm-widen-page)
|
|
|
715 (push-mark)
|
|
|
716 (vm-display (current-buffer) t '(vm-end-of-message)
|
|
|
717 '(vm-end-of-message reading-message))
|
|
|
718 (let ((osw (selected-window)))
|
|
|
719 (unwind-protect
|
|
|
720 (progn
|
|
|
721 (select-window (vm-get-visible-buffer-window (current-buffer)))
|
|
|
722 (goto-char (point-max)))
|
|
|
723 (if (not (eq osw (selected-window)))
|
|
|
724 (select-window osw))))
|
|
|
725 (if vm-honor-page-delimiters
|
|
|
726 (vm-narrow-to-page)))
|
