92 lines
3.3 KiB
EmacsLisp
92 lines
3.3 KiB
EmacsLisp
;;; core-toggles.el --- Spacemacs Core File
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;;
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;; Copyright (c) 2012-2014 Sylvain Benner
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;; Copyright (c) 2014-2015 Sylvain Benner & Contributors
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;;
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;; Author: Sylvain Benner <sylvain.benner@gmail.com>
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;; URL: https://github.com/syl20bnr/spacemacs
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;;
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;; This file is not part of GNU Emacs.
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;;
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;;; License: GPLv3
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(require 'core-funcs)
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(defvar spacemacs-toggles '()
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"List of all declared toggles. The structure of an element is a
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property list (name :func FUNCTION :doc STRING :key STRING).")
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(defmacro spacemacs|add-toggle (name &rest props)
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"Add a toggle with NAME symbol.
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Avaiblabe PROPS:
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`:status EXPRESSION'
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The EXPRESSION to evaluate to get the current status of the toggle.
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`:if EXPRESSION'
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If this EXPRESSION evaluate to nil then no attempt to update the toggle
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status will be performed.
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`:on BODY'
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Evaluate BODY when the toggle is switched on.
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`:off BODY'
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Evaluate BODY when the toggle is switched off.
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`:documentation STRING'
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STRING describes what the toggle does.
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`:evil-leader STRING'
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A key sequence string to be set with `evil-leader/set-key'.
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`:evil-leader-for-mode CONS CELL'
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A cons cell (MODE . KEY) where MODE is a major-mode symbol and KEY is a
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key sequence string to be set with `evil-leader/set-key-for-mode'.
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`:global-key STRING'
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A key sequence string to be set with `global-set-key'.
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`:define-key CONS CELL'
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A cons cell (MAP . KEY) where MAP is a mode map and KEY is a
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key sequence string to be set with `define-key'. "
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(let* ((wrapper-func (intern (format "spacemacs/toggle-%s"
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(symbol-name name))))
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(status (plist-get props :status))
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(condition (plist-get props :if))
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(doc (plist-get props :documentation))
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(on-body (spacemacs/mplist-get props :on))
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(off-body (spacemacs/mplist-get props :off))
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(evil-leader (plist-get props :evil-leader))
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(evil-leader-for-mode (plist-get props :evil-leader-for-mode))
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(global-key (plist-get props :global-key))
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(def-key (plist-get props :define-key)))
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`(progn
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(push (append '(,name) '(:function ,wrapper-func) ',props)
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spacemacs-toggles)
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;; toggle function
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(defun ,wrapper-func ()
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,(format "Toggle %s on and off." (symbol-name name))
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(interactive)
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;; we evaluate condition and status only if they are a list or
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;; a bound symbol
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(if (or (null ',condition)
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(and (or (and (symbolp ',condition) (boundp ',condition))
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(listp ',condition))
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,condition))
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(if (and (or (and (symbolp ',status) (boundp ',status))
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(listp ',status))
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,status) (progn ,@off-body) ,@on-body)
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(message "This toggle is not supported.")))
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;; key bindings
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(when ,evil-leader
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(evil-leader/set-key ,evil-leader ',wrapper-func))
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(when ,evil-leader-for-mode
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(evil-leader/set-key-for-mode
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'(car ,evil-leader-for-mode)
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(cdr ,evil-leader-for-mode) ',wrapper-func))
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(when ,global-key
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(global-set-key (kbd ,global-key) ',wrapper-func))
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(when ,def-key
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(define-key (car ,def-key) (kbd ,(cdr def-key)) ',wrapper-func)))))
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(provide 'core-toggles)
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