137 lines
4.9 KiB
EmacsLisp
137 lines
4.9 KiB
EmacsLisp
;;; dependencies --- System library of FG42 -*- lexical-binding: t; -*-
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;;
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;; Copyright (c) 2010-2021 Sameer Rahmani & Contributors
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;;
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;; Author: Sameer Rahmani <lxsameer@gnu.org>
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;; URL: https://gitlab.com/FG42/FG42
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;; Version: 3.0.0
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;;
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;;
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;
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;;; Commentary:
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;; `System' is just a state monad which holds the state of the editor.
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;; Each system has to have a `start' function to start the setup process.
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;;
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;;; Code:
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(require 'seq)
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(require 'fg42/system/core)
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(defun fg42/system-is-good? (system)
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"Return non-nil if the keyset on the given SYSTEM is set to :good."
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(eq (or (fg42/system-get system :i-am) :good) :good))
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(defun fg42/system-is-evil? (system)
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"Return non-nil if the keyset on the given SYSTEM is set to :good."
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(eq (or (fg42/system-get system :i-am) :good) :evil))
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(defun fg42/system-merge-keys (system cube-name keys)
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"Retun an updated SYSTEM with the given keys KEYS for CUBE-NAME.
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It converts the `:keys' of the cube to the following format and adds
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them to the system. (cube-nam mode (key f)s...)."
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(let ((keyset :good))
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(if keys
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;; TODO: Validate the deps here
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(fg42/system-cons-to system
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:keys
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(car
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(seq-reduce
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(lambda (bindings keys)
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(let ((mode (car keys))
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(pair-list (plist-get (cdr keys) keyset)))
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(cons
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(list cube-name mode pair-list)
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bindings)))
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keys
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'())))
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system)))
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(defun fg42/system-setup-keys (system)
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"Setup the key binding through out the SYSTEM."
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(let ((keyset :good))
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(mapcar
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(lambda (key-desc)
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(let ((cube-name (car key-desc))
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(map (cadr key-desc))
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(binding (caddr key-desc))
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(f (cadddr key-desc)))
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(message "Set keybinding %s" key-desc)
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(if (eq keyset :good)
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(define-in-keymap map binding f)
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(define-evil-in-keymap map binding f))))
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(fg42/system-get system :keys)))
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system)
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(defmacro define-in-keymap (map binding f)
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"Set the given key BINDING in the given MAP to F."
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(if (eq map :global)
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`(global-set-key (kbd ,binding) ,f)
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`(define-key ,map (kbd ,binding) ,f)))
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(defmacro define-evil-in-keymap (map binding f)
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"Set the given key BINDING in the given MAP to F (evil mode only)."
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(message "TBD")
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nil)
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(defun fg42/defkey--good (map key fn)
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"Set the given KEY on key map MAP to FN."
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(message "SSSSSSSSSSSS %s %s" (type-of map) map)
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(funcall #'define-key map (kbd key) fn))
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(defun fg42/defkey--evil (map state-keys fn)
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"Set the given STATE-KEYS on key map MAP to FN."
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(let ((normal-key (plist-get state-keys :normal))
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(visual-key (plist-get state-keys :visual))
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(insert-key (plist-get state-keys :insert))
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(emacs-key (plist-get state-keys :emacs)))
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(cond
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((not (null normal-key)) (evil-define-key 'normal map (kbd normal-key) fn))
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((not (null visual-key)) (evil-define-key 'visual map (kbd visual-key) fn))
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((not (null insert-key)) (evil-define-key 'insert map (kbd insert-key) fn))
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((not (null emacs-key)) (evil-define-key 'emacs map (kbd emacs-key) fn)))))
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(defmacro defkey (map fn &rest keys)
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"Defines a key binding for FG42 for different types.
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Defines a keybinding in the given MAP for the given KEYS that maps
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to the given FN with the given DOCSTRING.
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Example usage :
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\\(defkey `'global-map`' 'goto-line
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:evil \\(:normal \"SPC s u\"\\)
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:good \"<f2>\"\\)"
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(declare (indent defun))
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(let ((good-key (plist-get keys :good))
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(evil-state-key (plist-get keys :evil)))
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(when (and (fg42/system-is-evil? fg42/system) (null evil-state-key))
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(error "You should pass :evil keys when you are evil user"))
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(when (and (fg42/system-is-good? fg42/system) (null good-key))
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(error "You should pass :good keys when you are a good user"))
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(cond
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((fg42/system-is-good? fg42/system)
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`(fg42/defkey--good ,map ,good-key ,fn))
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((fg42/system-is-evil? fg42/system)
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`(fg42/defkey-evil ,map (quote ,evil-state-key) ,fn)))))
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(provide 'fg42/system/keys)
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;;; keys.el ends here
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