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;;; geiser-menu.el -- menu and keymaps definition
;; Copyright (c) 2010 Jose Antonio Ortega Ruiz
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the Modified BSD License. You should
;; have received a copy of the license along with this program. If
;; not, see <http://www.xfree86.org/3.3.6/COPYRIGHT2.html#5>.
;; Start date: Sat Jun 12, 2010 03:01
(require 'geiser-custom)
(require 'geiser-base)
;;; Customization:
(geiser-custom--defcustom geiser-global-menu-always-on-p nil
"Whether the Geiser menu is always visible."
:type 'boolean
:group 'geiser)
;;; Top-level menu
(defmacro geiser-menu--add-item (keymap map kd)
(cond ((or (eq '-- kd) (eq 'line kd)) `(geiser-menu--add-line ,map))
((stringp (car kd)) `(geiser-menu--add-basic-item ,keymap ,map ,kd))
((eq 'menu (car kd)) `(geiser-menu--add-submenu ,(cadr kd)
,keymap ,map ,(cddr kd)))
((eq 'custom (car kd)) `(geiser-menu--add-custom ,(nth 1 kd)
,(nth 2 kd)
,keymap
,map))
((eq 'mode (car kd)) `(geiser-menu--mode-toggle ,(nth 1 kd)
,(nth 2 kd)
,(nth 3 kd)
,keymap
,map))
(t (error "Bad item form: %s" kd))))
(defmacro geiser-menu--add-basic-item (keymap map kd)
(let* ((title (nth 0 kd))
(binding (nth 1 kd))
(cmd (nth 2 kd))
(hlp (nth 3 kd))
(item (make-symbol title))
(hlp (and (stringp hlp) (list :help hlp)))
(rest (or (and hlp (nthcdr 4 kd))
(nthcdr 3 kd)))
(binding (if (listp binding)
binding
(list binding))))
`(progn (define-key ,map [,item]
'(menu-item ,title ,cmd ,@hlp ,@rest))
,@(and (car binding)
`((put ',cmd
:advertised-binding
,(car binding))))
,@(mapcar (lambda (b)
`(define-key ,keymap ,b ',cmd))
binding))))
(defmacro geiser-menu--add-items (keymap map keys)
`(progn ,@(mapcar (lambda (k) (list 'geiser-menu--add-item keymap map k))
(reverse keys))))
(defmacro geiser-menu--add-submenu (name keymap map keys)
(let ((ev (make-symbol name))
(map2 (make-symbol "map2")))
`(progn
(let ((,map2 (make-sparse-keymap ,name)))
(define-key ,map [,ev] (cons ,name ,map2))
(geiser-menu--add-items ,keymap ,map2 ,keys)))))
(defvar geiser-menu--line-counter 0)
(defun geiser-menu--add-line (&optional map)
(let ((line (make-symbol (format "line%s"
(setq geiser-menu--line-counter
(1+ geiser-menu--line-counter))))))
(define-key (or map global-map) `[,line]
`(menu-item "--single-line"))))
(defmacro geiser-menu--add-custom (title group keymap map)
`(geiser-menu--add-item ,keymap ,map
(,title nil (lambda () (interactive) (customize-group ',group)))))
(defmacro geiser-menu--mode-toggle (title bindings mode keymap map)
`(geiser-menu--add-item ,keymap ,map
(,title ,bindings ,mode :button (:toggle . (and (boundp ',mode) ,mode)))))
(defmacro geiser-menu--defmenu (name keymap &rest keys)
(let ((mmap (make-symbol "mmap")))
`(progn
(let ((,mmap (make-sparse-keymap "Geiser")))
(define-key ,keymap [menu-bar ,name] (cons "Geiser" ,mmap))
(define-key ,mmap [customize]
(cons "Customize" geiser-menu--custom-customize))
(define-key ,mmap [switch]
(cons "Switch to" geiser-menu--custom-switch))
(define-key ,mmap [Run] (cons "Run" geiser-menu--custom-run))
(geiser-menu--add-line ,mmap)
(geiser-menu--add-items ,keymap ,mmap ,keys)))))
(put 'geiser-menu--defmenu 'lisp-indent-function 2)
;;; Shared entries
(defvar geiser-menu--custom-map (make-sparse-keymap "Geiser"))
(defvar geiser-menu--custom-run (make-sparse-keymap "Run"))
(defvar geiser-menu--custom-switch (make-sparse-keymap "Switch"))
(defvar geiser-menu--custom-customize (make-sparse-keymap "Customize"))
(define-key geiser-menu--custom-map [customize]
(cons "Customize" geiser-menu--custom-customize))
(define-key geiser-menu--custom-map [switch]
(cons "Switch to" geiser-menu--custom-switch))
(define-key geiser-menu--custom-map [run]
(cons "Run" geiser-menu--custom-run))
(defun geiser-menu--add-global-custom (title group)
(define-key geiser-menu--custom-customize `[,(make-symbol title)]
(cons title `(lambda () (interactive) (customize-group ',group)))))
(defun geiser-menu--add-impl (name runner switcher)
(let ((title (capitalize (format "%s" name)))
(group (intern (format "geiser-%s" name))))
(define-key geiser-menu--custom-run `[,name]
`(menu-item ,title ,runner :enable (geiser-impl--active-p ',name)))
(define-key geiser-menu--custom-switch `[,name]
`(menu-item ,title ,switcher :enable (geiser-repl--get-repl ',name)))
(geiser-menu--add-global-custom title group)))
(geiser-menu--add-global-custom "Geiser" 'geiser)
(provide 'geiser-menu)
;;; geiser-menu.el ends here
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