annotate lisp/prim/modeline.el @ 123:c77884c6318d

Added tag r20-1b14 for changeset d2f30a177268
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date Mon, 13 Aug 2007 09:26:04 +0200
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1 ;;; modeline.el --- modeline hackery.
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2
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3 ;; Copyright (C) 1988, 1992, 1993, 1994 Free Software Foundation, Inc.
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4 ;; Copyright (C) 1995, 1996 Ben Wing.
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5
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6 ;; This file is part of XEmacs.
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7
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8 ;; XEmacs is free software; you can redistribute it and/or modify it
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9 ;; under the terms of the GNU General Public License as published by
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10 ;; the Free Software Foundation; either version 2, or (at your option)
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11 ;; any later version.
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12
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13 ;; XEmacs is distributed in the hope that it will be useful, but
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14 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 ;; General Public License for more details.
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17
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18 ;; You should have received a copy of the GNU General Public License
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19 ;; along with XEmacs; see the file COPYING. If not, write to the
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20 ;; Free Software Foundation, 59 Temple Place - Suite 330,
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21 ;; Boston, MA 02111-1307, USA.
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22
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23 ;;; Synched up with: Not in FSF.
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24
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25 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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26 ;;; General mouse modeline stuff ;;;
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27 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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28
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29 (defgroup modeline nil
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30 "Modeline customizations"
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31 :group 'environment)
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32
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33 (defcustom drag-modeline-event-lag 150
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34 "*The pause (in msecs) between drag modeline events before redisplaying.
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35 If this value is too small, dragging will be choppy because redisplay cannot
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36 keep up. If it is too large, dragging will be choppy because of the explicit
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37 redisplay delay specified."
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38 :type 'integer
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39 :group 'modeline)
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40
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41 (defcustom modeline-click-swaps-buffers nil
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42 "*If non-nil, clicking on the modeline changes the current buffer.
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43 Click on the left half of the modeline cycles forward through the
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44 buffer list and clicking on the right half cycles backward."
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45 :type 'boolean
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46 :group 'modeline)
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47
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48 (defun mouse-drag-modeline (event)
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49 "Resize the window by dragging the modeline.
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50 This should be bound to a mouse button in `modeline-map'."
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51 (interactive "e")
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52 (or (button-press-event-p event)
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53 (error "%s must be invoked by a mouse-press" this-command))
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54 (or (event-over-modeline-p event)
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55 (error "not over a modeline"))
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56 (let ((depress-line (event-y event))
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57 (mouse-down t)
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58 (window (event-window event))
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59 (old-window (selected-window))
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60 (def-line-height (face-height 'default))
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61 (prior-drag-modeline-event-time 0)
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62 delta)
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63 (while mouse-down
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64 (setq event (next-event event))
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65 (cond ((motion-event-p event)
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66 (if (window-lowest-p window)
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67 (error "can't drag bottommost modeline"))
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68 (cond ((> (- (event-timestamp event)
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69 prior-drag-modeline-event-time)
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70 drag-modeline-event-lag)
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71
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72 (setq prior-drag-modeline-event-time (event-timestamp event))
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73
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74 (if (event-over-modeline-p event)
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75 (setq delta 0)
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76 (setq delta (- (event-y-pixel event)
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77 (nth 3 (window-pixel-edges window))))
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78 (if (> delta 0)
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79 (setq delta (+ delta def-line-height)))
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80 (setq delta (/ delta def-line-height)))
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81
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82 ;; cough sputter hack kludge. It shouldn't be possible
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83 ;; to get in here when we are over the minibuffer. But
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84 ;; it is happening and that cause next-vertical-window to
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85 ;; return nil which does not lead to window-height returning
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86 ;; anything remotely resembling a sensible value. So catch
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87 ;; the situation and die a happy death.
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88 ;;
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89 ;; Oh, and the BLAT FOOP error messages suck as well but
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90 ;; I don't know what should be there. This should be
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91 ;; looked at again when the new redisplay is done.
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92 (if (not (next-vertical-window window))
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93 (error "Try again: dragging in minibuffer does nothing"))
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94 (cond ((and (> delta 0)
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95 (<= (- (window-height (next-vertical-window window))
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96 delta)
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97 window-min-height))
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98 (setq delta (- (window-height
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99 (next-vertical-window window))
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100 window-min-height))
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101 (if (< delta 0) (error "BLAT")))
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102 ((and (< delta 0)
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103 (< (+ (window-height window) delta)
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104 window-min-height))
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105 (setq delta (- window-min-height
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106 (window-height window)))
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107 (if (> delta 0) (error "FOOP"))))
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108 (if (= delta 0)
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109 nil
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110 (select-window window)
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111 (enlarge-window delta)
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112 ;; The call to enlarge-window may have caused the old
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113 ;; window to disappear. Don't try and select it in
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114 ;; that case.
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115 (if (window-live-p old-window)
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116 (select-window old-window))
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117 (sit-for 0)
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118 ))))
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119 ((button-release-event-p event)
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120 (setq mouse-down nil)
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121 (if modeline-click-swaps-buffers
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122 (mouse-release-modeline event depress-line)))
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123 ((or (button-press-event-p event)
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124 (key-press-event-p event))
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125 (error ""))
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126 (t
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127 (dispatch-event event)))
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128 )))
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129
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130 ;; from Bob Weiner (bob_weiner@pts.mot.com)
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131 (defun mouse-release-modeline (event line-num)
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132 "Handle modeline click EVENT on LINE-NUM by switching buffers.
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133 If click on left half of a frame's modeline, bury current buffer.
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134 If click on right half of a frame's modeline, raise bottommost buffer.
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135 Args are: EVENT, the mouse release event, and LINE-NUM, the line number
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136 within the frame at which the mouse was first depressed."
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137 (if (= line-num (event-y event))
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138 ;; Button press and release are at same line, treat this as
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139 ;; a click and switch buffers.
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140 (if (< (event-x event) (/ (window-width (event-window event)) 2))
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141 ;; On left half of modeline, bury current buffer,
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142 ;; displaying second buffer on list.
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143 (mouse-bury-buffer event)
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144 ;; On right half of modeline, raise and display bottommost
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145 ;; buffer in buffer list.
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146 (mouse-unbury-buffer event))))
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147
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148 (defconst modeline-menu
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149 '("Window Commands"
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150 ["Delete Window Above" delete-window t]
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151 ["Delete Other Windows" delete-other-windows t]
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152 ["Split Window Above" split-window-vertically t]
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153 ["Split Window Horizontally" split-window-horizontally t]
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154 ["Balance Windows" balance-windows t]
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155 ))
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156
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157 (defun modeline-menu (event)
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158 (interactive "e")
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159 (popup-menu-and-execute-in-window
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160 (cons (format "Window Commands for %S:"
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161 (buffer-name (event-buffer event)))
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162 (cdr modeline-menu))
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163 event))
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164
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165 (defvar modeline-map (make-sparse-keymap 'modeline-map)
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166 "Keymap consulted for mouse-clicks on the modeline of a window.
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167 This variable may be buffer-local; its value will be looked up in
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168 the buffer of the window whose modeline was clicked upon.")
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169
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170 (define-key modeline-map 'button1 'mouse-drag-modeline)
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171 ;; button2 selects the window without setting point
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172 (define-key modeline-map 'button2 (lambda () (interactive "@")))
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173 (define-key modeline-map 'button3 'modeline-menu)
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174
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175 (make-face 'modeline-mousable "Face for mousable portions of the modeline.")
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176
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177 (defmacro make-modeline-command-wrapper (command)
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178 `#'(lambda (event)
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179 (interactive "e")
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180 (save-selected-window
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181 (select-window (event-window event))
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182 (call-interactively ',(eval command)))))
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183
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184 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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185 ;;; Minor modes ;;;
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186 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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187
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188 (defvar minor-mode-alist nil
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189 "Alist saying how to show minor modes in the modeline.
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190 Each element looks like (VARIABLE STRING);
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191 STRING is included in the modeline iff VARIABLE's value is non-nil.
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192
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193 Actually, STRING need not be a string; any possible modeline element
376386a54a3c Import from CVS: tag r19-14
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194 is okay. See `modeline-format'.")
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195
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196 ;; Used by C code (lookup-key and friends) but defined here.
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197 (defvar minor-mode-map-alist nil
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cvs
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198 "Alist of keymaps to use for minor modes.
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199 Each element looks like (VARIABLE . KEYMAP); KEYMAP is used to read
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cvs
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200 key sequences and look up bindings iff VARIABLE's value is non-nil.
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201 If two active keymaps bind the same key, the keymap appearing earlier
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202 in the list takes precedence.")
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cvs
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203
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204 (make-face 'modeline-mousable-minor-mode
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cvs
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205 "Face for mousable minor-mode strings in the modeline.")
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cvs
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206
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207 (defvar modeline-mousable-minor-mode-extent (make-extent nil nil)
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208 ;; alliteration at its finest.
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cvs
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209 "Extent managing the mousable minor mode modeline strings.")
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cvs
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210 (set-extent-face modeline-mousable-minor-mode-extent
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cvs
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211 'modeline-mousable-minor-mode)
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cvs
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212
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cvs
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213 ;; This replaces the idiom
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214 ;;
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cvs
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215 ;; (or (assq 'isearch-mode minor-mode-alist)
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cvs
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216 ;; (setq minor-mode-alist
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cvs
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217 ;; (purecopy
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cvs
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218 ;; (append minor-mode-alist
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cvs
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219 ;; '((isearch-mode isearch-mode))))))
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cvs
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220
376386a54a3c Import from CVS: tag r19-14
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221 (defun add-minor-mode (toggle name &optional keymap after toggle-fun)
376386a54a3c Import from CVS: tag r19-14
cvs
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222 "Add a minor mode to `minor-mode-alist' and `minor-mode-map-alist'.
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223 TOGGLE is a symbol whose value as a variable specifies whether the
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224 minor mode is active. NAME is the name that should appear in the
376386a54a3c Import from CVS: tag r19-14
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225 modeline (it should be a string beginning with a space). KEYMAP is a
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cvs
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226 keymap to make active when the minor mode is active. AFTER is the
376386a54a3c Import from CVS: tag r19-14
cvs
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227 toggling symbol used for another minor mode. If AFTER is non-nil,
376386a54a3c Import from CVS: tag r19-14
cvs
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228 then it is used to position the new mode in the minor-mode alists.
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229 TOGGLE-FUN specifies an interactive function that is called to toggle
376386a54a3c Import from CVS: tag r19-14
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230 the mode on and off; this affects what happens when button2 is pressed
376386a54a3c Import from CVS: tag r19-14
cvs
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231 on the mode, and when button3 is pressed somewhere in the list of
376386a54a3c Import from CVS: tag r19-14
cvs
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232 modes. If TOGGLE-FUN is nil and TOGGLE names an interactive function,
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cvs
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233 TOGGLE is used as the toggle function.
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234
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235 Example: (add-minor-mode 'view-minor-mode \" View\" view-mode-map)"
376386a54a3c Import from CVS: tag r19-14
cvs
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236 (let (el place
376386a54a3c Import from CVS: tag r19-14
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237 (add-elt #'(lambda (elt sym)
376386a54a3c Import from CVS: tag r19-14
cvs
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238 (cond ((null after) ; add to front
376386a54a3c Import from CVS: tag r19-14
cvs
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239 (set sym (cons elt (symbol-value sym))))
376386a54a3c Import from CVS: tag r19-14
cvs
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240 ((and (not (eq after t))
376386a54a3c Import from CVS: tag r19-14
cvs
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241 (setq place (memq (assq after
376386a54a3c Import from CVS: tag r19-14
cvs
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242 (symbol-value sym))
376386a54a3c Import from CVS: tag r19-14
cvs
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243 (symbol-value sym))))
376386a54a3c Import from CVS: tag r19-14
cvs
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244 (setq elt (cons elt (cdr place)))
376386a54a3c Import from CVS: tag r19-14
cvs
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245 (setcdr place elt))
376386a54a3c Import from CVS: tag r19-14
cvs
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246 (t
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cvs
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247 (set sym (append (symbol-value sym) (list elt))))
376386a54a3c Import from CVS: tag r19-14
cvs
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248 )
376386a54a3c Import from CVS: tag r19-14
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249 (symbol-value sym)))
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cvs
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250 toggle-keymap)
376386a54a3c Import from CVS: tag r19-14
cvs
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251 (if toggle-fun
376386a54a3c Import from CVS: tag r19-14
cvs
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252 (if (not (commandp toggle-fun))
376386a54a3c Import from CVS: tag r19-14
cvs
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253 (error "not an interactive function: %S" toggle-fun))
376386a54a3c Import from CVS: tag r19-14
cvs
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254 (if (commandp toggle)
376386a54a3c Import from CVS: tag r19-14
cvs
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255 (setq toggle-fun toggle)))
376386a54a3c Import from CVS: tag r19-14
cvs
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256 (if (and toggle-fun name)
376386a54a3c Import from CVS: tag r19-14
cvs
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257 (progn
376386a54a3c Import from CVS: tag r19-14
cvs
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258 (setq toggle-keymap (make-sparse-keymap
376386a54a3c Import from CVS: tag r19-14
cvs
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259 (intern (concat "modeline-minor-"
376386a54a3c Import from CVS: tag r19-14
cvs
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260 (symbol-name toggle)
376386a54a3c Import from CVS: tag r19-14
cvs
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261 "-map"))))
376386a54a3c Import from CVS: tag r19-14
cvs
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262 (define-key toggle-keymap 'button2
376386a54a3c Import from CVS: tag r19-14
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263 ;; defeat the DUMB-ASS byte-compiler, which tries to
376386a54a3c Import from CVS: tag r19-14
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264 ;; expand the macro at compile time and fucks up.
376386a54a3c Import from CVS: tag r19-14
cvs
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265 (eval '(make-modeline-command-wrapper toggle-fun)))
376386a54a3c Import from CVS: tag r19-14
cvs
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266 (put toggle 'modeline-toggle-function toggle-fun)))
376386a54a3c Import from CVS: tag r19-14
cvs
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267 (and name
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cvs
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268 (let ((hacked-name
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cvs
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269 (if toggle-keymap
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cvs
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270 (cons (let ((extent (make-extent nil nil)))
376386a54a3c Import from CVS: tag r19-14
cvs
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271 (set-extent-keymap extent toggle-keymap)
376386a54a3c Import from CVS: tag r19-14
cvs
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272 (set-extent-property
376386a54a3c Import from CVS: tag r19-14
cvs
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273 extent 'help-echo
376386a54a3c Import from CVS: tag r19-14
cvs
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274 (concat "button2 turns off "
376386a54a3c Import from CVS: tag r19-14
cvs
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275 (if (symbolp toggle-fun)
376386a54a3c Import from CVS: tag r19-14
cvs
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276 (symbol-name toggle-fun)
376386a54a3c Import from CVS: tag r19-14
cvs
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277 (symbol-name toggle))))
376386a54a3c Import from CVS: tag r19-14
cvs
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278 extent)
376386a54a3c Import from CVS: tag r19-14
cvs
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279 (cons
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cvs
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280 modeline-mousable-minor-mode-extent
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cvs
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281 name))
376386a54a3c Import from CVS: tag r19-14
cvs
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282 name)))
376386a54a3c Import from CVS: tag r19-14
cvs
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283 (if (setq el (assq toggle minor-mode-alist))
376386a54a3c Import from CVS: tag r19-14
cvs
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284 (setcdr el (list hacked-name))
376386a54a3c Import from CVS: tag r19-14
cvs
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285 (funcall add-elt
376386a54a3c Import from CVS: tag r19-14
cvs
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286 (list toggle hacked-name)
376386a54a3c Import from CVS: tag r19-14
cvs
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287 'minor-mode-alist))))
376386a54a3c Import from CVS: tag r19-14
cvs
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288 (and keymap
376386a54a3c Import from CVS: tag r19-14
cvs
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289 (if (setq el (assq toggle minor-mode-map-alist))
376386a54a3c Import from CVS: tag r19-14
cvs
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290 (setcdr el keymap)
376386a54a3c Import from CVS: tag r19-14
cvs
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291 (funcall add-elt
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
292 (cons toggle keymap)
376386a54a3c Import from CVS: tag r19-14
cvs
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293 'minor-mode-map-alist)))
376386a54a3c Import from CVS: tag r19-14
cvs
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294 ))
376386a54a3c Import from CVS: tag r19-14
cvs
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295
376386a54a3c Import from CVS: tag r19-14
cvs
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296 (add-minor-mode 'abbrev-mode " Abbrev")
376386a54a3c Import from CVS: tag r19-14
cvs
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297 (add-minor-mode 'overwrite-mode 'overwrite-mode)
376386a54a3c Import from CVS: tag r19-14
cvs
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298 (add-minor-mode 'auto-fill-function " Fill" nil nil 'auto-fill-mode)
376386a54a3c Import from CVS: tag r19-14
cvs
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299 ;; not really a minor mode...
376386a54a3c Import from CVS: tag r19-14
cvs
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300 (add-minor-mode 'defining-kbd-macro " Def")
376386a54a3c Import from CVS: tag r19-14
cvs
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301
376386a54a3c Import from CVS: tag r19-14
cvs
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302 (defun modeline-minor-mode-menu (event)
376386a54a3c Import from CVS: tag r19-14
cvs
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303 (interactive "e")
110
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
304 (save-excursion
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
305 (set-buffer (event-buffer event))
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
306 (popup-menu-and-execute-in-window
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
307 (cons (format "Minor Mode Commands for %S:"
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
308 (buffer-name (event-buffer event)))
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
309 (apply 'nconc
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
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diff changeset
310 (mapcar
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
311 #'(lambda (x)
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
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diff changeset
312 (let* ((toggle-sym (car x))
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
313 (toggle-fun
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
314 (or (get toggle-sym
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
315 'modeline-toggle-function)
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
316 (and (fboundp toggle-sym)
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
317 (commandp toggle-sym)
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
318 toggle-sym))))
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
319 (if (not toggle-fun) nil
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
320 (list (vector
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
321 (concat (if (and (boundp toggle-sym)
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
322 (symbol-value toggle-sym))
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
323 "turn off " "turn on ")
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
324 (if (symbolp toggle-fun)
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
325 (symbol-name toggle-fun)
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
326 (symbol-name toggle-sym)))
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
327
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
328 toggle-fun
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
329 t)))))
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
330 minor-mode-alist)))
fe104dbd9147 Import from CVS: tag r20-1b7
cvs
parents: 98
diff changeset
331 event)))
0
376386a54a3c Import from CVS: tag r19-14
cvs
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332
376386a54a3c Import from CVS: tag r19-14
cvs
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333 (defvar modeline-minor-mode-map (make-sparse-keymap 'modeline-minor-mode-map)
376386a54a3c Import from CVS: tag r19-14
cvs
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334 "Keymap consulted for mouse-clicks on the minor-mode modeline list.")
376386a54a3c Import from CVS: tag r19-14
cvs
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335 (define-key modeline-minor-mode-map 'button3 'modeline-minor-mode-menu)
376386a54a3c Import from CVS: tag r19-14
cvs
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336
376386a54a3c Import from CVS: tag r19-14
cvs
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337 (defvar modeline-minor-mode-extent (make-extent nil nil)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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338 "Extent covering the minor mode modeline strings.")
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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339 (set-extent-face modeline-minor-mode-extent 'modeline-mousable)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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340 (set-extent-keymap modeline-minor-mode-extent modeline-minor-mode-map)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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341
376386a54a3c Import from CVS: tag r19-14
cvs
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342
376386a54a3c Import from CVS: tag r19-14
cvs
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343 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
376386a54a3c Import from CVS: tag r19-14
cvs
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344 ;;; Other ;;;
376386a54a3c Import from CVS: tag r19-14
cvs
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345 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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346
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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347 (defun modeline-buffers-menu (event)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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348 (interactive "e")
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
349 (popup-menu-and-execute-in-window
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
350 '("Buffers Popup Menu"
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
351 :filter buffers-menu-filter
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
352 ["List All Buffers" list-buffers t]
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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353 "--"
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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354 )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
355 event))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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356
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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357 (defvar modeline-buffer-id-left-map
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
358 (make-sparse-keymap 'modeline-buffer-id-left-map)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
359 "Keymap consulted for mouse-clicks on the left half of the buffer-id string.")
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
360
376386a54a3c Import from CVS: tag r19-14
cvs
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361 (defvar modeline-buffer-id-right-map
376386a54a3c Import from CVS: tag r19-14
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362 (make-sparse-keymap 'modeline-buffer-id-right-map)
376386a54a3c Import from CVS: tag r19-14
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363 "Keymap consulted for mouse-clicks on the right half of the buffer-id string.")
376386a54a3c Import from CVS: tag r19-14
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364
376386a54a3c Import from CVS: tag r19-14
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365 (define-key modeline-buffer-id-left-map 'button2 'mouse-unbury-buffer)
376386a54a3c Import from CVS: tag r19-14
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366 (define-key modeline-buffer-id-right-map 'button2 'mouse-bury-buffer)
376386a54a3c Import from CVS: tag r19-14
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367 (define-key modeline-buffer-id-left-map 'button3 'modeline-buffers-menu)
376386a54a3c Import from CVS: tag r19-14
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368 (define-key modeline-buffer-id-right-map 'button3 'modeline-buffers-menu)
376386a54a3c Import from CVS: tag r19-14
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369
376386a54a3c Import from CVS: tag r19-14
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370 (make-face 'modeline-buffer-id
376386a54a3c Import from CVS: tag r19-14
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371 "Face for the buffer ID string in the modeline.")
376386a54a3c Import from CVS: tag r19-14
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372
376386a54a3c Import from CVS: tag r19-14
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373 (defvar modeline-buffer-id-extent (make-extent nil nil)
376386a54a3c Import from CVS: tag r19-14
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374 "Extent covering the whole of the buffer-id string.")
376386a54a3c Import from CVS: tag r19-14
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375 (set-extent-face modeline-buffer-id-extent 'modeline-buffer-id)
376386a54a3c Import from CVS: tag r19-14
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376
376386a54a3c Import from CVS: tag r19-14
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377 (defvar modeline-buffer-id-left-extent (make-extent nil nil)
376386a54a3c Import from CVS: tag r19-14
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378 "Extent covering the left half of the buffer-id string.")
376386a54a3c Import from CVS: tag r19-14
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379 (set-extent-keymap modeline-buffer-id-left-extent
376386a54a3c Import from CVS: tag r19-14
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380 modeline-buffer-id-left-map)
376386a54a3c Import from CVS: tag r19-14
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381 (set-extent-property modeline-buffer-id-left-extent 'help-echo
376386a54a3c Import from CVS: tag r19-14
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382 "button2 cycles to the previous buffer")
376386a54a3c Import from CVS: tag r19-14
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383
376386a54a3c Import from CVS: tag r19-14
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384 (defvar modeline-buffer-id-right-extent (make-extent nil nil)
376386a54a3c Import from CVS: tag r19-14
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385 "Extent covering the right half of the buffer-id string.")
376386a54a3c Import from CVS: tag r19-14
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386 (set-extent-keymap modeline-buffer-id-right-extent
376386a54a3c Import from CVS: tag r19-14
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387 modeline-buffer-id-right-map)
376386a54a3c Import from CVS: tag r19-14
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388 (set-extent-property modeline-buffer-id-right-extent 'help-echo
376386a54a3c Import from CVS: tag r19-14
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389 "button2 cycles to the next buffer")
376386a54a3c Import from CVS: tag r19-14
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390
376386a54a3c Import from CVS: tag r19-14
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391 (defconst modeline-buffer-identification
376386a54a3c Import from CVS: tag r19-14
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392 (list (cons modeline-buffer-id-left-extent (purecopy "XEmacs:"))
376386a54a3c Import from CVS: tag r19-14
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393 (cons modeline-buffer-id-right-extent (purecopy " %17b")))
376386a54a3c Import from CVS: tag r19-14
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394 "Modeline control for identifying the buffer being displayed.
376386a54a3c Import from CVS: tag r19-14
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395 Its default value is \"XEmacs: %17b\" (NOT!). Major modes that edit things
376386a54a3c Import from CVS: tag r19-14
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396 other than ordinary files may change this (e.g. Info, Dired,...)")
376386a54a3c Import from CVS: tag r19-14
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397 (make-variable-buffer-local 'modeline-buffer-identification)
376386a54a3c Import from CVS: tag r19-14
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398
376386a54a3c Import from CVS: tag r19-14
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399 (defconst modeline-process nil
376386a54a3c Import from CVS: tag r19-14
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400 "Modeline control for displaying info on process status.
376386a54a3c Import from CVS: tag r19-14
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401 Normally nil in most modes, since there is no process to display.")
376386a54a3c Import from CVS: tag r19-14
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402 (make-variable-buffer-local 'modeline-process)
376386a54a3c Import from CVS: tag r19-14
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403
376386a54a3c Import from CVS: tag r19-14
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404 (defvar modeline-modified-map (make-sparse-keymap 'modeline-modified-map)
376386a54a3c Import from CVS: tag r19-14
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405 "Keymap consulted for mouse-clicks on the modeline-modified string.")
376386a54a3c Import from CVS: tag r19-14
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406 (define-key modeline-modified-map 'button2
98
0d2f883870bc Import from CVS: tag r20-1b1
cvs
parents: 70
diff changeset
407 (make-modeline-command-wrapper 'vc-toggle-read-only))
0
376386a54a3c Import from CVS: tag r19-14
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408
376386a54a3c Import from CVS: tag r19-14
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409 (defvar modeline-modified-extent (make-extent nil nil)
376386a54a3c Import from CVS: tag r19-14
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410 "Extent covering the modeline-modified string.")
376386a54a3c Import from CVS: tag r19-14
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diff changeset
411 (set-extent-face modeline-modified-extent 'modeline-mousable)
376386a54a3c Import from CVS: tag r19-14
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diff changeset
412 (set-extent-keymap modeline-modified-extent modeline-modified-map)
376386a54a3c Import from CVS: tag r19-14
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413 (set-extent-property modeline-modified-extent 'help-echo
376386a54a3c Import from CVS: tag r19-14
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414 "button2 toggles the buffer's read-only status")
376386a54a3c Import from CVS: tag r19-14
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415
376386a54a3c Import from CVS: tag r19-14
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416 (defconst modeline-modified (purecopy '("--%1*%1+-"))
376386a54a3c Import from CVS: tag r19-14
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417 "Modeline control for displaying whether current buffer is modified.")
376386a54a3c Import from CVS: tag r19-14
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418 (make-variable-buffer-local 'modeline-modified)
376386a54a3c Import from CVS: tag r19-14
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419
376386a54a3c Import from CVS: tag r19-14
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420 (defvar modeline-narrowed-map (make-sparse-keymap 'modeline-narrowed-map)
376386a54a3c Import from CVS: tag r19-14
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421 "Keymap consulted for mouse-clicks on the modeline-narrowed string.")
376386a54a3c Import from CVS: tag r19-14
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422 (define-key modeline-narrowed-map 'button2
376386a54a3c Import from CVS: tag r19-14
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423 (make-modeline-command-wrapper 'widen))
376386a54a3c Import from CVS: tag r19-14
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424
376386a54a3c Import from CVS: tag r19-14
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425 (defvar modeline-narrowed-extent (make-extent nil nil)
376386a54a3c Import from CVS: tag r19-14
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diff changeset
426 "Extent covering the modeline-narrowed string.")
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
427 (set-extent-face modeline-narrowed-extent 'modeline-mousable)
376386a54a3c Import from CVS: tag r19-14
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diff changeset
428 (set-extent-keymap modeline-narrowed-extent modeline-narrowed-map)
376386a54a3c Import from CVS: tag r19-14
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429 (set-extent-property modeline-narrowed-extent 'help-echo
376386a54a3c Import from CVS: tag r19-14
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diff changeset
430 "button2 widens the buffer")
376386a54a3c Import from CVS: tag r19-14
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diff changeset
431
70
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 32
diff changeset
432 (setq-default
131b0175ea99 Import from CVS: tag r20-0b30
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parents: 32
diff changeset
433 modeline-format
131b0175ea99 Import from CVS: tag r20-0b30
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parents: 32
diff changeset
434 (list
131b0175ea99 Import from CVS: tag r20-0b30
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parents: 32
diff changeset
435 (purecopy "")
131b0175ea99 Import from CVS: tag r20-0b30
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parents: 32
diff changeset
436 (cons modeline-modified-extent 'modeline-modified)
131b0175ea99 Import from CVS: tag r20-0b30
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parents: 32
diff changeset
437 (cons modeline-buffer-id-extent 'modeline-buffer-identification)
131b0175ea99 Import from CVS: tag r20-0b30
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parents: 32
diff changeset
438 (purecopy " ")
131b0175ea99 Import from CVS: tag r20-0b30
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parents: 32
diff changeset
439 'global-mode-string
131b0175ea99 Import from CVS: tag r20-0b30
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parents: 32
diff changeset
440 (purecopy " %[(")
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 32
diff changeset
441 (cons modeline-minor-mode-extent (list "" 'mode-name 'minor-mode-alist))
131b0175ea99 Import from CVS: tag r20-0b30
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parents: 32
diff changeset
442 (cons modeline-narrowed-extent "%n")
131b0175ea99 Import from CVS: tag r20-0b30
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parents: 32
diff changeset
443 'modeline-process
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 32
diff changeset
444 (purecopy ")%]----")
131b0175ea99 Import from CVS: tag r20-0b30
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parents: 32
diff changeset
445 (purecopy '(line-number-mode "L%l--"))
131b0175ea99 Import from CVS: tag r20-0b30
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parents: 32
diff changeset
446 (purecopy '(column-number-mode "C%c--"))
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 32
diff changeset
447 (purecopy '(-3 . "%p"))
131b0175ea99 Import from CVS: tag r20-0b30
cvs
parents: 32
diff changeset
448 (purecopy "-%-")))