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1 ;;; Commands to move around within a VM message
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2 ;;; Copyright (C) 1989, 1990, 1991, 1993, 1994 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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28 (was-invisible nil))
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29 (vm-select-folder-buffer)
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30 (vm-check-for-killed-summary)
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31 (vm-error-if-folder-empty)
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70
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32 (if (null (vm-get-visible-buffer-window (current-buffer)))
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33 (let ((point (point)))
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34 (vm-display (current-buffer) t
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35 '(vm-scroll-forward vm-scroll-backward)
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36 (list this-command 'reading-message))
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37 ;; window start sticks to end of clip region when clip
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38 ;; region moves back past it in the buffer. fix it.
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39 (let ((w (vm-get-visible-buffer-window (current-buffer))))
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40 (if (= (window-start w) (point-max))
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41 (set-window-start w (point-min))))
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42 (setq was-invisible t)))
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43 (if (or mp-changed was-invisible
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0
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44 (and (eq vm-system-state 'previewing)
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45 (pos-visible-in-window-p
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46 (point-max)
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47 (vm-get-visible-buffer-window (current-buffer)))))
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48 (progn
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49 (if (not was-invisible)
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50 (let ((w (vm-get-visible-buffer-window (current-buffer)))
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51 old-w-start)
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52 (setq old-w-start (window-start w))
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53 (vm-display nil nil '(vm-scroll-forward vm-scroll-backward)
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54 (list this-command 'reading-message))
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55 (setq w (vm-get-visible-buffer-window (current-buffer)))
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56 (and w (set-window-start w old-w-start))))
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57 (if (eq vm-system-state 'previewing)
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58 (vm-show-current-message))
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59 (vm-howl-if-eom))
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60 (let ((vmp vm-message-pointer)
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61 (msg-buf (current-buffer))
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62 (h-diff 0)
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63 w old-w old-w-height old-w-start result)
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64 (if (eq vm-system-state 'previewing)
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65 (vm-show-current-message))
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66 (setq vm-system-state 'reading)
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67 (setq old-w (vm-get-visible-buffer-window msg-buf)
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68 old-w-height (window-height old-w)
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69 old-w-start (window-start old-w))
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70 (vm-display nil nil '(vm-scroll-forward vm-scroll-backward)
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71 (list this-command 'reading-message))
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72 (setq w (vm-get-visible-buffer-window msg-buf))
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73 (if (null w)
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74 (error "current window configuration hides the message buffer.")
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75 (setq h-diff (- (window-height w) old-w-height)))
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76 ;; must restore this since it gets clobbered by window
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77 ;; teardown and rebuild done by the window config stuff.
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78 (set-window-start w old-w-start)
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79 (setq old-w (selected-window))
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80 (unwind-protect
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81 (progn
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82 (select-window w)
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83 (let ((next-screen-context-lines
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84 (+ next-screen-context-lines h-diff)))
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85 (while (eq (setq result (vm-scroll-forward-internal arg))
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86 'tryagain))
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87 (cond ((and (not (eq result 'next-message))
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88 vm-honor-page-delimiters)
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89 (vm-narrow-to-page)
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90 ;; This voodoo is required! For some
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91 ;; reason the 18.52 emacs display
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92 ;; doesn't immediately reflect the
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93 ;; clip region change that occurs
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94 ;; above without this mantra.
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95 (scroll-up 0)))))
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96 (select-window old-w))
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97 (set-buffer msg-buf)
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98 (cond ((eq result 'next-message)
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99 (vm-next-message))
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100 ((eq result 'end-of-message)
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101 (let ((vm-message-pointer vmp))
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102 (vm-emit-eom-blurb)))
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103 (t
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104 (and (> (prefix-numeric-value arg) 0)
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105 (vm-howl-if-eom)))))))
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70
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106 (if (not (or vm-startup-message-displayed vm-inhibit-startup-message))
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107 (vm-display-startup-message)))
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108
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109 (defun vm-scroll-forward-internal (arg)
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110 (let ((direction (prefix-numeric-value arg))
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111 (w (selected-window)))
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112 (condition-case error-data
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24
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113 (progn (scroll-up arg) nil)
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114 (error
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115 (if (or (and (< direction 0)
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116 (> (point-min) (vm-text-of (car vm-message-pointer))))
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117 (and (>= direction 0)
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118 (/= (point-max)
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119 (vm-text-end-of (car vm-message-pointer)))))
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120 (progn
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121 (vm-widen-page)
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122 (if (>= direction 0)
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123 (progn
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124 (forward-page 1)
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125 (set-window-start w (point))
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126 nil )
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127 (if (or (bolp)
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128 (not (save-excursion
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129 (beginning-of-line)
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130 (looking-at page-delimiter))))
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131 (forward-page -1))
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132 (beginning-of-line)
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133 (set-window-start w (point))
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134 'tryagain))
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135 (if (eq (car error-data) 'end-of-buffer)
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136 (if vm-auto-next-message
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137 'next-message
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138 (set-window-point w (point))
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139 'end-of-message)))))))
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140
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141 ;; exploratory scrolling, what a concept.
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142 ;;
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143 ;; we do this because pos-visible-in-window-p checks the current
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144 ;; window configuration, while this exploratory scrolling forces
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145 ;; Emacs to recompute the display, giving us an up to the moment
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146 ;; answer about where the end of the message is going to be
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147 ;; visible when redisplay finally does occur.
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148 (defun vm-howl-if-eom ()
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149 (let ((w (vm-get-visible-buffer-window (current-buffer))))
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0
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150 (and w
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151 (save-excursion
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152 (save-window-excursion
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153 (condition-case ()
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154 (let ((next-screen-context-lines 0))
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155 (select-window w)
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156 (save-excursion
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157 (save-window-excursion
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158 ;; scroll-fix.el replaces scroll-up and
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159 ;; doesn't behave properly when it hits
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160 ;; end of buffer. It does this!
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161 ;; (ding)
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162 ;; (message (get 'beginning-of-buffer 'error-message))
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163 (let ((scroll-in-place-replace-original nil))
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164 (scroll-up nil))))
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165 nil)
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166 (error t))))
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167 (= (vm-text-end-of (car vm-message-pointer)) (point-max))
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168 (vm-emit-eom-blurb))))
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169
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170 (defun vm-emit-eom-blurb ()
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171 (if (vm-full-name-of (car vm-message-pointer))
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172 (vm-unsaved-message "End of message %s from %s"
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173 (vm-number-of (car vm-message-pointer))
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174 (vm-full-name-of (car vm-message-pointer)))
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175 (vm-unsaved-message "End of message %s"
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176 (vm-number-of (car vm-message-pointer)))))
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177
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178 (defun vm-scroll-backward (arg)
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179 "Scroll backward a screenful of text.
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180 Prefix N scrolls backward N lines."
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181 (interactive "P")
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182 (vm-scroll-forward (cond ((null arg) '-)
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183 ((consp arg) (list (- (car arg))))
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184 ((numberp arg) (- arg))
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185 ((symbolp arg) nil)
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186 (t arg))))
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187
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188 (defun vm-highlight-headers ()
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189 (cond
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190 ((and (vm-xemacs-p) vm-use-lucid-highlighting)
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191 (require 'highlight-headers)
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192 ;; disable the url marking stuff, since VM has its own interface.
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193 (let ((highlight-headers-mark-urls nil)
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194 (highlight-headers-regexp (or vm-highlighted-header-regexp
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195 highlight-headers-regexp)))
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196 (highlight-headers (point-min) (point-max) t)))
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197 ((vm-xemacs-p)
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198 (let (e)
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199 (map-extents (function
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200 (lambda (e ignore)
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201 (if (extent-property e 'vm-highlight)
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202 (delete-extent e))
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203 nil))
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204 (current-buffer) (point-min) (point-max))
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205 (goto-char (point-min))
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206 (while (vm-match-header)
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207 (cond ((vm-match-header vm-highlighted-header-regexp)
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208 (setq e (make-extent (vm-matched-header-contents-start)
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209 (vm-matched-header-contents-end)))
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210 (set-extent-property e 'face vm-highlighted-header-face)
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211 (set-extent-property e 'vm-highlight t)))
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212 (goto-char (vm-matched-header-end)))))
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213 ((fboundp 'overlay-put)
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214 (let (o-lists p)
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215 (setq o-lists (overlay-lists)
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216 p (car o-lists))
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217 (while p
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218 (and (overlay-get (car p) 'vm-highlight)
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219 (delete-overlay (car p)))
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220 (setq p (cdr p)))
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221 (setq p (cdr o-lists))
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222 (while p
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223 (and (overlay-get (car p) 'vm-highlight)
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224 (delete-overlay (car p)))
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225 (setq p (cdr p)))
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226 (goto-char (point-min))
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227 (while (vm-match-header)
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228 (cond ((vm-match-header vm-highlighted-header-regexp)
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229 (setq p (make-overlay (vm-matched-header-contents-start)
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230 (vm-matched-header-contents-end)))
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231 (overlay-put p 'face vm-highlighted-header-face)
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232 (overlay-put p 'vm-highlight t)))
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233 (goto-char (vm-matched-header-end)))))))
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234
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235 (defun vm-energize-urls ()
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236 ;; Don't search too long in large regions. If the region is
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237 ;; large, search just the head and the tail of the region since
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238 ;; they tend to contain the interesting text.
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239 (let ((search-limit vm-url-search-limit)
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240 (search-pairs))
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241 (if (and search-limit (> (- (point-max) (point-min)) search-limit))
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242 (setq search-pairs (list (cons (point-min)
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243 (+ (point-min) (/ search-limit 2)))
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244 (cons (- (point-max) (/ search-limit 2))
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245 (point-max))))
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246 (setq search-pairs (list (cons (point-min) (point-max)))))
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247 (cond
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248 ((vm-xemacs-p)
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249 (let (e)
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250 (map-extents (function
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251 (lambda (e ignore)
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252 (if (extent-property e 'vm-url)
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253 (delete-extent e))
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254 nil))
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255 (current-buffer) (point-min) (point-max))
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256 (while search-pairs
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257 (goto-char (car (car search-pairs)))
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258 (while (re-search-forward vm-url-regexp (cdr (car search-pairs)) t)
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259 (setq e (make-extent (match-beginning 0) (match-end 0)))
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260 (set-extent-property e 'vm-url t)
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261 (if vm-highlight-url-face
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262 (set-extent-property e 'face vm-highlight-url-face))
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263 (if vm-url-browser
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264 (let ((keymap (make-sparse-keymap)))
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265 (define-key keymap 'button2 'vm-mouse-send-url-at-event)
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266 (define-key keymap 'button3 'vm-menu-popup-url-browser-menu)
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267 (define-key keymap "\r"
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268 (function (lambda () (interactive)
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269 (vm-mouse-send-url-at-position (point)))))
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270 (set-extent-property e 'keymap keymap)
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271 (set-extent-property e 'balloon-help 'vm-url-help)
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272 (set-extent-property e 'highlight t))))
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273 (setq search-pairs (cdr search-pairs)))))
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274 ((and (vm-fsfemacs-19-p)
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275 (fboundp 'overlay-put))
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276 (let (o-lists o p)
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277 (setq o-lists (overlay-lists)
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278 p (car o-lists))
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279 (while p
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280 (and (overlay-get (car p) 'vm-url)
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281 (delete-overlay (car p)))
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282 (setq p (cdr p)))
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283 (setq p (cdr o-lists))
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284 (while p
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285 (and (overlay-get (car p) 'vm-url)
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286 (delete-overlay (car p)))
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287 (setq p (cdr p)))
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288 (while search-pairs
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289 (goto-char (car (car search-pairs)))
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290 (while (re-search-forward vm-url-regexp (cdr (car search-pairs)) t)
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291 (setq o (make-overlay (match-beginning 0) (match-end 0)))
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292 (overlay-put o 'vm-url t)
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293 (if vm-highlight-url-face
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294 (overlay-put o 'face vm-highlight-url-face))
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295 (if vm-url-browser
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296 (overlay-put o 'mouse-face 'highlight)))
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297 (setq search-pairs (cdr search-pairs))))))))
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298
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299 (defun vm-energize-headers ()
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300 (cond
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301 ((vm-xemacs-p)
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302 (let ((search-tuples '(("^From:" vm-menu-author-menu)
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303 ("^Subject:" vm-menu-subject-menu)))
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304 regexp menu keymap e)
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305 (map-extents (function
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306 (lambda (e ignore)
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307 (if (extent-property e 'vm-header)
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308 (delete-extent e))
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309 nil))
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310 (current-buffer) (point-min) (point-max))
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311 (while search-tuples
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312 (goto-char (point-min))
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313 (setq regexp (nth 0 (car search-tuples))
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314 menu (symbol-value (nth 1 (car search-tuples))))
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315 (while (re-search-forward regexp nil t)
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316 (save-excursion (goto-char (match-beginning 0)) (vm-match-header))
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317 (setq e (make-extent (vm-matched-header-contents-start)
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318 (vm-matched-header-contents-end)))
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319 (set-extent-property e 'vm-header t)
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320 (setq keymap (make-sparse-keymap))
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321 ;; Might as well make button2 do what button3 does in
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322 ;; this case, since there is no default 'select'
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323 ;; action.
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324 (define-key keymap 'button2
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325 (list 'lambda () '(interactive)
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326 (list 'popup-menu (list 'quote menu))))
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70
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327 (define-key keymap 'button3
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328 (list 'lambda () '(interactive)
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329 (list 'popup-menu (list 'quote menu))))
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0
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330 (set-extent-property e 'keymap keymap)
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331 (set-extent-property e 'balloon-help 'vm-mouse-3-help)
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332 (set-extent-property e 'highlight t))
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333 (setq search-tuples (cdr search-tuples)))))
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70
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334 ((and (vm-fsfemacs-19-p)
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335 (fboundp 'overlay-put))
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336 (let ((search-tuples '(("^From:" vm-menu-fsfemacs-author-menu)
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337 ("^Subject:" vm-menu-fsfemacs-subject-menu)))
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338 regexp menu
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339 o-lists o p)
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340 (setq o-lists (overlay-lists)
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341 p (car o-lists))
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342 (while p
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343 (and (overlay-get (car p) 'vm-header)
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344 (delete-overlay (car p)))
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345 (setq p (cdr p)))
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346 (setq p (cdr o-lists))
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347 (while p
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348 (and (overlay-get (car p) 'vm-header)
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349 (delete-overlay (car p)))
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350 (setq p (cdr p)))
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351 (while search-tuples
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352 (goto-char (point-min))
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353 (setq regexp (nth 0 (car search-tuples))
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354 menu (symbol-value (nth 1 (car search-tuples))))
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355 (while (re-search-forward regexp nil t)
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356 (goto-char (match-end 0))
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357 (save-excursion (goto-char (match-beginning 0)) (vm-match-header))
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358 (setq o (make-overlay (vm-matched-header-contents-start)
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359 (vm-matched-header-contents-end)))
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360 (overlay-put o 'vm-header menu)
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361 (overlay-put o 'mouse-face 'highlight))
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362 (setq search-tuples (cdr search-tuples)))))))
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363
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364 (defun vm-display-xface ()
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365 (let ((case-fold-search t) e g h)
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366 (if (map-extents (function
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367 (lambda (e ignore)
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368 (if (extent-property e 'vm-xface)
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369 t
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370 nil)))
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371 (current-buffer) (point-min) (point-max))
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372 nil
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373 (goto-char (point-min))
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374 (if (find-face 'vm-xface)
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375 nil
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376 (make-face 'vm-xface)
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377 (set-face-background 'vm-xface "white")
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378 (set-face-foreground 'vm-xface "black"))
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379 (if (re-search-forward "^X-Face:" nil t)
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380 (progn
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381 (goto-char (match-beginning 0))
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382 (vm-match-header)
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70
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383 (setq h (vm-matched-header))
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0
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384 (setq g (intern h vm-xface-cache))
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385 (if (boundp g)
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386 (setq g (symbol-value g))
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70
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387 (set g (make-glyph h))
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0
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388 (setq g (symbol-value g))
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389 ;; XXX broken. Gives extra pixel lines at the
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390 ;; bottom of the glyph in 19.12
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391 ;;(set-glyph-baseline g 100)
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392 (set-glyph-face g 'vm-xface))
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393 (setq e (make-extent (vm-vheaders-of (car vm-message-pointer))
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394 (vm-vheaders-of (car vm-message-pointer))))
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395 (set-extent-property e 'vm-xface t)
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396 (set-extent-begin-glyph e g))))))
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397
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398 (defun vm-url-help (object)
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399 (format
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400 "Use mouse button 2 to send the URL to %s.
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401 Use mouse button 3 to choose a Web browser for the URL."
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402 (cond ((stringp vm-url-browser) vm-url-browser)
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403 ((eq vm-url-browser 'w3-fetch)
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404 "Emacs W3")
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405 ((eq vm-url-browser 'w3-fetch-other-frame)
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406 "Emacs W3")
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407 ((eq vm-url-browser 'vm-mouse-send-url-to-mosaic)
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408 "Mosaic")
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409 ((eq vm-url-browser 'vm-mouse-send-url-to-netscape)
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410 "Netscape")
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411 (t (symbol-name vm-url-browser)))))
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412
|
|
70
|
413 (defun vm-preview-current-message ()
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414 (setq vm-system-state 'previewing)
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415 (if vm-real-buffers
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416 (vm-make-virtual-copy (car vm-message-pointer)))
|
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0
|
417 (widen)
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418 ;; hide as much of the message body as vm-preview-lines specifies
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|
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419 (narrow-to-region
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420 (vm-vheaders-of (car vm-message-pointer))
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421 (cond ((not (eq vm-preview-lines t))
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|
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422 (min
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423 (vm-text-end-of (car vm-message-pointer))
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|
|
424 (save-excursion
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|
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425 (goto-char (vm-text-of (car vm-message-pointer)))
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426 (forward-line (if (natnump vm-preview-lines) vm-preview-lines 0))
|
|
|
427 (point))))
|
|
70
|
428 (t (vm-text-end-of (car vm-message-pointer)))))
|
|
|
429 ;; highlight the headers
|
|
|
430 (if (or vm-highlighted-header-regexp
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|
|
431 (and (vm-xemacs-p) vm-use-lucid-highlighting))
|
|
|
432 (save-restriction
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|
|
433 (widen)
|
|
|
434 (narrow-to-region (vm-headers-of (car vm-message-pointer))
|
|
|
435 (vm-text-end-of (car vm-message-pointer)))
|
|
|
436 (vm-highlight-headers)))
|
|
|
437 ;; energize the URLs
|
|
|
438 (if (or vm-highlight-url-face vm-url-browser)
|
|
|
439 (save-restriction
|
|
|
440 (widen)
|
|
|
441 (narrow-to-region (vm-headers-of (car vm-message-pointer))
|
|
|
442 (vm-text-end-of (car vm-message-pointer)))
|
|
|
443 (vm-energize-urls)))
|
|
|
444 ;; energize certain headers
|
|
|
445 (if (and vm-use-menus (vm-menu-support-possible-p))
|
|
|
446 (save-restriction
|
|
|
447 (widen)
|
|
|
448 (narrow-to-region (vm-headers-of (car vm-message-pointer))
|
|
|
449 (vm-text-of (car vm-message-pointer)))
|
|
|
450 (vm-energize-headers)))
|
|
0
|
451
|
|
70
|
452 ;; display xfaces, if we can
|
|
|
453 (if (and vm-display-xfaces
|
|
|
454 (vm-xemacs-p)
|
|
|
455 (vm-multiple-frames-possible-p)
|
|
|
456 (featurep 'xface))
|
|
|
457 (save-restriction
|
|
|
458 (widen)
|
|
|
459 (narrow-to-region (vm-headers-of (car vm-message-pointer))
|
|
|
460 (vm-text-of (car vm-message-pointer)))
|
|
|
461 (vm-display-xface)))
|
|
20
|
462
|
|
70
|
463 (vm-run-message-hook (car vm-message-pointer) 'vm-select-message-hook)
|
|
|
464 (and vm-select-new-message-hook (vm-new-flag (car vm-message-pointer))
|
|
|
465 (vm-run-message-hook (car vm-message-pointer)
|
|
|
466 'vm-select-new-message-hook))
|
|
|
467 (and vm-select-unread-message-hook (vm-unread-flag (car vm-message-pointer))
|
|
|
468 (vm-run-message-hook (car vm-message-pointer)
|
|
|
469 'vm-select-unread-message-hook))
|
|
0
|
470
|
|
70
|
471 (if vm-honor-page-delimiters
|
|
|
472 (vm-narrow-to-page))
|
|
|
473 (goto-char (vm-text-of (car vm-message-pointer)))
|
|
|
474 ;; If we have a window, set window start appropriately.
|
|
|
475 (let ((w (vm-get-visible-buffer-window (current-buffer))))
|
|
|
476 (if w
|
|
|
477 (progn (set-window-start w (point-min))
|
|
|
478 (set-window-point w (vm-text-of (car vm-message-pointer))))))
|
|
|
479 (if (or (null vm-preview-lines)
|
|
|
480 (and (not vm-preview-read-messages)
|
|
|
481 (not (vm-new-flag (car vm-message-pointer)))
|
|
|
482 (not (vm-unread-flag (car vm-message-pointer)))))
|
|
|
483 (vm-show-current-message)
|
|
|
484 (vm-update-summary-and-mode-line)))
|
|
0
|
485
|
|
|
486 (defun vm-show-current-message ()
|
|
70
|
487 (save-excursion
|
|
|
488 (save-excursion
|
|
|
489 (goto-char (point-min))
|
|
|
490 (widen)
|
|
|
491 (narrow-to-region (point) (vm-text-end-of (car vm-message-pointer))))
|
|
|
492 (if vm-honor-page-delimiters
|
|
|
493 (progn
|
|
|
494 (if (looking-at page-delimiter)
|
|
|
495 (forward-page 1))
|
|
|
496 (vm-narrow-to-page))))
|
|
|
497 ;; don't mark the message as read if the user can't see it!
|
|
|
498 (if (vm-get-visible-buffer-window (current-buffer))
|
|
|
499 (progn
|
|
|
500 (setq vm-system-state 'showing)
|
|
|
501 (cond ((vm-new-flag (car vm-message-pointer))
|
|
|
502 (vm-set-new-flag (car vm-message-pointer) nil)))
|
|
|
503 (cond ((vm-unread-flag (car vm-message-pointer))
|
|
|
504 (vm-set-unread-flag (car vm-message-pointer) nil)))
|
|
|
505 (vm-update-summary-and-mode-line)
|
|
|
506 (vm-howl-if-eom))
|
|
|
507 (vm-update-summary-and-mode-line)))
|
|
0
|
508
|
|
|
509 (defun vm-expose-hidden-headers ()
|
|
|
510 "Toggle exposing and hiding message headers that are normally not visible."
|
|
|
511 (interactive)
|
|
|
512 (vm-follow-summary-cursor)
|
|
|
513 (vm-select-folder-buffer)
|
|
|
514 (vm-check-for-killed-summary)
|
|
|
515 (vm-error-if-folder-empty)
|
|
|
516 (vm-display (current-buffer) t '(vm-expose-hidden-headers)
|
|
|
517 '(vm-expose-hidden-headers reading-message))
|
|
|
518 (let* ((exposed (= (point-min) (vm-start-of (car vm-message-pointer)))))
|
|
|
519 (vm-widen-page)
|
|
|
520 (goto-char (point-max))
|
|
|
521 (widen)
|
|
|
522 (if exposed
|
|
|
523 (narrow-to-region (point) (vm-vheaders-of (car vm-message-pointer)))
|
|
|
524 (narrow-to-region (point) (vm-start-of (car vm-message-pointer))))
|
|
|
525 (goto-char (point-min))
|
|
|
526 (let (w)
|
|
|
527 (setq w (vm-get-visible-buffer-window (current-buffer)))
|
|
|
528 (and w (set-window-point w (point-min)))
|
|
|
529 (and w
|
|
|
530 (= (window-start w) (vm-vheaders-of (car vm-message-pointer)))
|
|
|
531 (not exposed)
|
|
|
532 (set-window-start w (vm-start-of (car vm-message-pointer)))))
|
|
|
533 (if vm-honor-page-delimiters
|
|
|
534 (vm-narrow-to-page))))
|
|
|
535
|
|
|
536 (defun vm-widen-page ()
|
|
|
537 (if (or (> (point-min) (vm-text-of (car vm-message-pointer)))
|
|
|
538 (/= (point-max) (vm-text-end-of (car vm-message-pointer))))
|
|
|
539 (narrow-to-region (vm-vheaders-of (car vm-message-pointer))
|
|
|
540 (if (or (vm-new-flag (car vm-message-pointer))
|
|
|
541 (vm-unread-flag (car vm-message-pointer)))
|
|
|
542 (vm-text-of (car vm-message-pointer))
|
|
|
543 (vm-text-end-of (car vm-message-pointer))))))
|
|
|
544
|
|
|
545 (defun vm-narrow-to-page ()
|
|
|
546 (save-excursion
|
|
|
547 (let (min max (omin (point-min)) (omax (point-max)))
|
|
|
548 (if (or (bolp) (not (save-excursion
|
|
|
549 (beginning-of-line)
|
|
|
550 (looking-at page-delimiter))))
|
|
|
551 (forward-page -1))
|
|
|
552 (setq min (point))
|
|
|
553 (forward-page 1)
|
|
|
554 (beginning-of-line)
|
|
|
555 (setq max (point))
|
|
|
556 (narrow-to-region min max))))
|
|
|
557
|
|
|
558 (defun vm-beginning-of-message ()
|
|
|
559 "Moves to the beginning of the current message."
|
|
|
560 (interactive)
|
|
|
561 (vm-follow-summary-cursor)
|
|
|
562 (vm-select-folder-buffer)
|
|
|
563 (vm-check-for-killed-summary)
|
|
|
564 (vm-error-if-folder-empty)
|
|
|
565 (vm-widen-page)
|
|
|
566 (push-mark)
|
|
|
567 (vm-display (current-buffer) t '(vm-beginning-of-message)
|
|
|
568 '(vm-beginning-of-message reading-message))
|
|
|
569 (let ((osw (selected-window)))
|
|
|
570 (unwind-protect
|
|
|
571 (progn
|
|
|
572 (select-window (vm-get-visible-buffer-window (current-buffer)))
|
|
|
573 (goto-char (point-min)))
|
|
|
574 (if (not (eq osw (selected-window)))
|
|
|
575 (select-window osw))))
|
|
|
576 (if vm-honor-page-delimiters
|
|
|
577 (vm-narrow-to-page)))
|
|
|
578
|
|
|
579 (defun vm-end-of-message ()
|
|
|
580 "Moves to the end of the current message, exposing and flagging it read
|
|
|
581 as necessary."
|
|
|
582 (interactive)
|
|
|
583 (vm-follow-summary-cursor)
|
|
|
584 (vm-select-folder-buffer)
|
|
|
585 (vm-check-for-killed-summary)
|
|
|
586 (vm-error-if-folder-empty)
|
|
|
587 (if (eq vm-system-state 'previewing)
|
|
|
588 (vm-show-current-message))
|
|
|
589 (setq vm-system-state 'reading)
|
|
|
590 (vm-widen-page)
|
|
|
591 (push-mark)
|
|
|
592 (vm-display (current-buffer) t '(vm-end-of-message)
|
|
|
593 '(vm-end-of-message reading-message))
|
|
|
594 (let ((osw (selected-window)))
|
|
|
595 (unwind-protect
|
|
|
596 (progn
|
|
|
597 (select-window (vm-get-visible-buffer-window (current-buffer)))
|
|
|
598 (goto-char (point-max)))
|
|
|
599 (if (not (eq osw (selected-window)))
|
|
|
600 (select-window osw))))
|
|
|
601 (if vm-honor-page-delimiters
|
|
|
602 (vm-narrow-to-page)))
|
