blob: 280b88158e0ba2d24e017a5f6e03e2fbcfd1fbf2 (
plain)
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
|
(define-key global-map [menu-bar] (make-sparse-keymap "menu-bar"))
(setq menu-bar-help-menu (make-sparse-keymap "Help"))
(define-key global-map [menu-bar help] (cons "Help" menu-bar-help-menu))
(setq menu-bar-edit-menu (make-sparse-keymap "Edit"))
(define-key global-map [menu-bar edit] (cons "Edit" menu-bar-edit-menu))
(setq menu-bar-file-menu (make-sparse-keymap "File"))
(define-key global-map [menu-bar file] (cons "File" menu-bar-file-menu))
(define-key menu-bar-file-menu [exit-emacs]
'("Exit Emacs" . save-buffers-kill-emacs))
(define-key menu-bar-file-menu [kill-buffer]
'("Kill Buffer" . kill-this-buffer))
(define-key menu-bar-file-menu [delete-frame] '("Delete Frame" . delete-frame))
(define-key menu-bar-file-menu [print-buffer] '("Print Buffer" . print-buffer))
(define-key menu-bar-file-menu [revert-buffer]
'("Revert Buffer" . revert-buffer))
(define-key menu-bar-file-menu [write-file]
'("Save Buffer As..." . write-file))
(define-key menu-bar-file-menu [save-buffer] '("Save Buffer" . save-buffer))
(define-key menu-bar-file-menu [open-file] '("Open File..." . find-file))
(define-key menu-bar-file-menu [new-frame] '("New Frame" . new-frame))
(define-key menu-bar-edit-menu [clear] '("Clear" . x-delete-primary-selection))
(define-key menu-bar-edit-menu [paste] '("Paste" . x-yank-clipboard-selection))
(define-key menu-bar-edit-menu [copy] '("Copy" . x-copy-primary-selection))
(define-key menu-bar-edit-menu [cut] '("Cut" . x-kill-primary-selection))
(define-key menu-bar-edit-menu [undo] '("Undo" . advertised-undo))
(define-key menu-bar-help-menu [emacs-tutorial]
'("Emacs Tutorial" . help-with-tutorial))
(define-key menu-bar-help-menu [man] '("Man..." . manual-entry))
(define-key menu-bar-help-menu [describe-variable]
'("Describe Variable..." . describe-variable))
(define-key menu-bar-help-menu [describe-function]
'("Describe Function..." . describe-function))
(define-key menu-bar-help-menu [describe-key]
'("Describe Key..." . describe-key))
(define-key menu-bar-help-menu [list-keybindings]
'("List Keybindings" . describe-bindings))
(define-key menu-bar-help-menu [command-apropos]
'("Command Apropos..." . command-apropos))
(define-key menu-bar-help-menu [describe-mode]
'("Describe Mode" . describe-mode))
(define-key menu-bar-help-menu [info] '("Info" . info))
(define-key menu-bar-help-menu [emacs-news] '("Emacs News" . view-emacs-news))
(defun kill-this-buffer () ; for the menubar
"Kills the current buffer."
(interactive)
(kill-buffer (current-buffer)))
(defun kill-this-buffer-enabled-p ()
(let ((count 0)
(buffers (buffer-list)))
(while buffers
(or (string-match "^ " (buffer-name (car buffers)))
(setq count (1+ count)))
(setq buffers (cdr buffers)))
(> count 1)))
(put 'save-buffer 'menu-enable '(buffer-modified-p))
(put 'revert-buffer 'menu-enable '(and (buffer-modified-p) (buffer-file-name)))
(put 'delete-frame 'menu-enable '(cdr (visible-frame-list)))
(put 'kill-this-buffer 'menu-enable '(kill-this-buffer-enabled-p))
(put 'x-kill-primary-selection 'menu-enable '(x-selection-owner-p))
(put 'x-copy-primary-selection 'menu-enable '(x-selection-owner-p))
(put 'x-yank-clipboard-selection 'menu-enable '(x-selection-owner-p))
(put 'x-delete-primary-selection 'menu-enable
'(x-selection-exists-p 'CLIPBOARD))
(put 'advertised-undo 'menu-enable
'(and (not (eq t buffer-undo-list))
(if (eq last-command 'undo)
(and (boundp 'pending-undo-list)
pending-undo-list)
buffer-undo-list)))
(define-key global-map [menu-bar buffer] '("Buffers" . mouse-buffer-menu))
(defvar complex-buffers-menu-p nil
"*Non-nil says, offer a choice of actions after you pick a buffer.
This applies to the Buffers menu from the menu bar.")
(defvar buffers-menu-max-size 10
"*Maximum number of entries which may appear on the Buffers menu.
If this is 10, then only the ten most-recently-selected buffers are shown.
If this is nil, then all buffers are shown.
A large number or nil slows down menu responsiveness.")
(defun mouse-buffer-menu (event)
"Pop up a menu of buffers for selection with the mouse.
This switches buffers in the window that you clicked on,
and selects that window."
(interactive "e")
(let ((buffers (buffer-list))
menu)
;; If requested, list only the N most recently selected buffers.
(if (and (integerp buffers-menu-max-size)
(> buffers-menu-max-size 1))
(if (> (length buffers) buffers-menu-max-size)
(setcdr (nthcdr buffers-menu-max-size buffers) nil)))
(setq menu
(list "Buffer Menu"
(cons "Select Buffer"
(let ((tail buffers)
(maxlen 0)
head)
(while tail
(let ((elt (car tail)))
(if (not (string-match "^ "
(buffer-name elt)))
(setq head (cons
(cons
(format
"%14s %s"
(buffer-name elt)
(or (buffer-file-name elt) ""))
elt)
head)))
(and head (> (length (car (car head))) maxlen)
(setq maxlen (length (car (car head))))))
(setq tail (cdr tail)))
(nconc (reverse head)
(list (cons (concat (make-string (- (/ maxlen 2) 8) ?\ )
"List All Buffers")
'list-buffers)))))))
(let ((buf (x-popup-menu (if (listp event) event
(cons '(0 0) (selected-frame)))
menu))
(window (and (listp event) (posn-window (event-start event)))))
(if (eq buf 'list-buffers)
(list-buffers)
(if buf
(if complex-buffers-menu-p
(let ((action (x-popup-menu (if (listp event) event
(cons '(0 0) (selected-frame)))
'("Buffer Action"
(""
("Save Buffer" . save-buffer)
("Kill Buffer" . kill-buffer)
("Select Buffer" . switch-to-buffer))))))
(if (eq action 'save-buffer)
(save-excursion
(set-buffer buf)
(save-buffer))
(funcall action buf)))
(and (windowp window)
(select-window window))
(switch-to-buffer buf)))))))
;; this version is too slow
;;;(defun format-buffers-menu-line (buffer)
;;; "Returns a string to represent the given buffer in the Buffer menu.
;;;nil means the buffer shouldn't be listed. You can redefine this."
;;; (if (string-match "\\` " (buffer-name buffer))
;;; nil
;;; (save-excursion
;;; (set-buffer buffer)
;;; (let ((size (buffer-size)))
;;; (format "%s%s %-19s %6s %-15s %s"
;;; (if (buffer-modified-p) "*" " ")
;;; (if buffer-read-only "%" " ")
;;; (buffer-name)
;;; size
;;; mode-name
;;; (or (buffer-file-name) ""))))))
(let ((frames (frame-list)))
(while frames
(modify-frame-parameters (car frames) '((menu-bar-lines . 1)))
(setq frames (cdr frames))))
(or (assq 'menu-bar-lines default-frame-alist)
(setq default-frame-alist
(cons '(menu-bar-lines . 1) default-frame-alist)))
|
