/usr/share/emacs/site-lisp/w3m/w3m-tabmenu.el is in w3m-el-snapshot 1.4.527+0.20140108-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 | ;;; w3m-tabmenu.el --- Functions for TAB menu browsing -*- coding: iso-2022-7bit; -*-
;; Copyright (C) 2001-2007, 2009, 2011-2012
;; TSUCHIYA Masatoshi <tsuchiya@namazu.org>
;; Authors: Hideyuki SHIRAI <shirai@meadowy.org>,
;; TSUCHIYA Masatoshi <tsuchiya@namazu.org>
;; Keywords: w3m, WWW, hypermedia
;; This file is a part of emacs-w3m.
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; This file contains the functions for TAB browsing. For more detail
;; about emacs-w3m, see:
;;
;; http://emacs-w3m.namazu.org/
;;; Code:
(eval-when-compile
(require 'cl))
(require 'w3m-util)
(require 'w3m)
(require 'easymenu)
(defun w3m-setup-tab-menu ()
"Setup w3m tab menubar."
(when w3m-use-tab-menubar
(w3m-static-if (featurep 'xemacs)
(unless (car (find-menu-item current-menubar '("Tab")))
(easy-menu-define w3m-tab-menu w3m-mode-map
"" '("Tab" ["dummy" w3m-switch-buffer t]))
(easy-menu-add w3m-tab-menu)
(add-hook 'activate-menubar-hook 'w3m-tab-menubar-update))
(unless (lookup-key w3m-mode-map [menu-bar Tab])
(easy-menu-define w3m-tab-menu w3m-mode-map "" '("Tab"))
(easy-menu-add w3m-tab-menu)
(add-hook 'menu-bar-update-hook 'w3m-tab-menubar-update)))))
(defun w3m-switch-buffer ()
"Switch `w3m-mode' buffer in the current window."
(interactive)
(let ((items (w3m-tab-menubar-make-items 'nomenu))
(minibuffer-setup-hook
(append minibuffer-setup-hook '(beginning-of-line)))
(count 1)
(form "%s [%s]")
(completion-ignore-case t)
comp hist histlen default buf)
(dolist (item items)
(when (nth 2 item) ;; current-buffer
(setq default count))
(setq comp (cons
(cons
(format form (nth 1 item) (nth 0 item)) (nth 0 item))
comp))
(setq hist (cons (format form (nth 1 item) (nth 0 item)) hist))
(setq count (1+ count)))
(setq comp (nreverse comp))
(setq histlen (length hist))
(setq hist (append hist hist hist hist hist)) ;; STARTPOS at 3rd hist
(setq buf
(completing-read
"Switch to w3m buffer: "
comp nil t (car (nth (1- default) comp))
(cons 'hist (+ (* 3 histlen) (- histlen default -1)))
(car (nth (1- default) comp))))
(setq buf (cdr (assoc buf comp)))
(when (get-buffer buf)
(switch-to-buffer buf))))
(defun w3m-tab-menubar-open-item (buf)
"Open w3m buffer from tab menubar."
(interactive)
(when (get-buffer buf)
(switch-to-buffer buf)))
(defun w3m-tab-menubar-update ()
"Update w3m tab menubar."
(when (and (eq major-mode 'w3m-mode)
(w3m-static-if (featurep 'xemacs)
(frame-property (selected-frame) 'menubar-visible-p)
menu-bar-mode))
(easy-menu-define w3m-tab-menu w3m-mode-map
"The menu kepmap for the emacs-w3m tab."
(cons "Tab" (w3m-tab-menubar-make-items)))
(w3m-static-when (featurep 'xemacs)
(let ((items (car (find-menu-item current-menubar '("Tab")))))
(when items
(setcdr items (cdr w3m-tab-menu))
(set-buffer-menubar current-menubar))))))
(defvar w3m-tab-menubar-items-sub-coeff 30) ;; 30?
(defvar w3m-tab-menubar-items-width 50) ;; 50?
(defun w3m-tab-menubar-make-items-1 (buffers &optional nomenu)
(let ((i 0)
(current (current-buffer))
(width w3m-tab-menubar-items-width)
title unseen)
(mapcar
(lambda (buffer)
(if nomenu
(list (buffer-name buffer)
(format "%s%s"
(if (w3m-unseen-buffer-p buffer) "(u)" "")
(w3m-buffer-title buffer))
(eq buffer current))
(setq title (w3m-buffer-title buffer))
(setq unseen (w3m-unseen-buffer-p buffer))
(when (>= (string-width title) width)
(setq title
(concat (w3m-truncate-string title
(- width 3))
"...")))
(vector (format "%d:%s%s"
(incf i)
(cond ((eq buffer current) "* ")
(unseen "u ")
(t " "))
title)
`(w3m-tab-menubar-open-item ,(buffer-name buffer))
buffer)))
buffers)))
(defvar w3m-tab-menubar-make-items-precbuf nil)
(defvar w3m-tab-menubar-make-items-prebuflst nil)
(defvar w3m-tab-menubar-make-items-preurl nil)
(defvar w3m-tab-menubar-make-items-preitems nil)
(defun w3m-tab-menubar-force-update (&rest args)
(setq w3m-tab-menubar-make-items-preitems nil)
(w3m-tab-menubar-update))
(add-hook 'w3m-display-functions 'w3m-tab-menubar-force-update)
(defun w3m-tab-menubar-make-items (&optional nomenu)
"Create w3m tab menu items."
(let (menu buflst total max)
(if nomenu
(w3m-tab-menubar-make-items-1 (w3m-list-buffers) t)
(setq w3m-tab-button-menu-current-buffer (current-buffer))
(setq buflst (w3m-list-buffers))
(if (and w3m-tab-menubar-make-items-preitems
(eq w3m-tab-button-menu-current-buffer
w3m-tab-menubar-make-items-precbuf)
(equal w3m-tab-menubar-make-items-prebuflst buflst)
(equal w3m-tab-menubar-make-items-preurl w3m-current-url))
w3m-tab-menubar-make-items-preitems
(setq w3m-tab-menubar-make-items-precbuf
w3m-tab-button-menu-current-buffer)
(setq w3m-tab-menubar-make-items-prebuflst buflst)
(setq w3m-tab-menubar-make-items-preurl w3m-current-url)
(setq total (length buflst))
(setq max (- (frame-height (selected-frame))
w3m-tab-menubar-items-sub-coeff))
(if (< total max)
(setq menu (w3m-tab-menubar-make-items-1 buflst))
(setq menu (list `(,(w3m-make-menu-item "タブの選択"
"Select TAB")
,@(w3m-tab-menubar-make-items-1 buflst)))))
(setq w3m-tab-menubar-make-items-preitems
(append menu
'("-")
'("-")
(w3m-make-menu-commands
w3m-tab-button-menu-commands)))))))
(provide 'w3m-tabmenu)
;;; w3m-tabmenu.el ends here
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