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;;; w32console.el --- Setup w32 console keys and colors. -*- lexical-binding: t; -*-
;; Copyright (C) 2007-2021 Free Software Foundation, Inc.
;; Author: FSF
;; Keywords: terminals
;; This file is part of GNU Emacs.
;; GNU Emacs 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 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
;; W32 uses different color indexes than standard:
(defvar w32-tty-standard-colors
'(("black" 0 0 0 0)
("blue" 1 0 0 52480) ; MediumBlue
("green" 2 8704 35584 8704) ; ForestGreen
("cyan" 3 0 52736 53504) ; DarkTurquoise
("red" 4 45568 8704 8704) ; FireBrick
("magenta" 5 35584 0 35584) ; DarkMagenta
("brown" 6 40960 20992 11520) ; Sienna
("lightgray" 7 48640 48640 48640) ; Gray
("darkgray" 8 26112 26112 26112) ; Gray40
("lightblue" 9 0 0 65535) ; Blue
("lightgreen" 10 0 65535 0) ; Green
("lightcyan" 11 0 65535 65535) ; Cyan
("lightred" 12 65535 0 0) ; Red
("lightmagenta" 13 65535 0 65535) ; Magenta
("yellow" 14 65535 65535 0) ; Yellow
("white" 15 65535 65535 65535))
"A list of VGA console colors, their indices and 16-bit RGB values.")
(declare-function x-setup-function-keys "term/common-win" (frame))
(declare-function get-screen-color "w32console.c" ())
(declare-function w32-get-console-codepage "w32proc.c" ())
(declare-function w32-get-console-output-codepage "w32proc.c" ())
(defun terminal-init-w32console ()
"Terminal initialization function for w32 console."
;; Share function key initialization with w32 gui frames
(x-setup-function-keys (selected-frame))
;; Set terminal and keyboard encodings to the current OEM codepage.
(let ((oem-code-page-coding
(intern (format "cp%d" (w32-get-console-codepage))))
(oem-code-page-output-coding
(intern (format "cp%d" (w32-get-console-output-codepage))))
oem-cs-p oem-o-cs-p)
(setq oem-cs-p (coding-system-p oem-code-page-coding))
(setq oem-o-cs-p (coding-system-p oem-code-page-output-coding))
(when oem-cs-p
(set-keyboard-coding-system oem-code-page-coding)
(set-terminal-coding-system
(if oem-o-cs-p oem-code-page-output-coding oem-code-page-coding))
;; Since we changed the terminal encoding, we need to repeat
;; the test for Unicode quotes being displayable.
(startup--setup-quote-display)))
(let* ((colors w32-tty-standard-colors)
(color (car colors)))
(tty-color-clear)
(while colors
(tty-color-define (car color) (cadr color) (cddr color))
(setq colors (cdr colors)
color (car colors))))
(clear-face-cache)
;; Figure out what are the colors of the console window, and set up
;; the background-mode correspondingly.
(let* ((screen-color (get-screen-color))
(bg (cadr screen-color))
(descr (tty-color-by-index bg))
r g b bg-mode)
(setq r (nth 2 descr)
g (nth 3 descr)
b (nth 4 descr))
(if (< (+ r g b) (* .6 (+ 65535 65535 65535)))
(setq bg-mode 'dark)
(setq bg-mode 'light))
(set-terminal-parameter nil 'background-mode bg-mode))
(tty-set-up-initial-frame-faces)
(run-hooks 'terminal-init-w32-hook))
(provide 'term/w32console)
;;; w32console.el ends here
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