;;; sun.el --- keybinding for standard default sunterm keys  -*- lexical-binding: t -*-

;; Copyright (C) 1987, 2001-2024 Free Software Foundation, Inc.

;; Author: Jeff Peck <peck@sun.com>
;; 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:

;; The function key sequences for the console have been converted for
;; use with function-key-map, but the *tool stuff hasn't been touched.

;;; Code:

(defun scroll-down-in-place (n)
  (interactive "p")
  (forward-line (- n))
  (scroll-down n))

(defun scroll-up-in-place (n)
  (interactive "p")
  (forward-line n)
  (scroll-up n))

(defun kill-region-and-unmark (beg end)
  "Like `kill-region', but pops the mark [which equals point, anyway]."
  (interactive "r")
  (kill-region beg end)
  (setq this-command 'kill-region-and-unmark)
  (set-mark-command t))

(defun rerun-prev-command ()
  "Repeat Previous-complex-command."
  (interactive)
  (eval (nth 0 command-history)))

(defvar grep-arg nil "Default arg for RE-search.")
(defun grep-arg ()
  (if (memq last-command '(research-forward research-backward)) grep-arg
    (let* ((command (car command-history))
	   (command-name (symbol-name (car command)))
	   (search-arg (car (cdr command)))
	   (search-command
	    (and command-name (string-match "search" command-name)))
	   )
      (if (and search-command (stringp search-arg)) (setq grep-arg search-arg)
	(setq search-command this-command
	      grep-arg (read-string "REsearch: " grep-arg)
	      this-command search-command)
	grep-arg))))

(defun research-forward ()
  "Repeat RE search forward."
  (interactive)
  (re-search-forward (grep-arg)))

(defun research-backward ()
  "Repeat RE search backward."
  (interactive)
  (re-search-backward (grep-arg)))

;;
;; handle sun's extra function keys
;; this version for those who run with standard .ttyswrc and no emacstool
;;
;; sunview picks up expose and open on the way UP,
;; so we ignore them on the way down
;;

(defvar sun-raw-prefix
  (let ((map (make-sparse-keymap)))
    (define-key map "210z" [r3])
    (define-key map "213z" [r6])
    (define-key map "214z" [r7])
    (define-key map "216z" [r9])
    (define-key map "218z" [r11])
    (define-key map "220z" [r13])
    (define-key map "222z" [r15])
    (define-key map "193z" [redo])
    (define-key map "194z" [props])
    (define-key map "195z" [undo])
    ;; (define-key map "196z" 'ignore)		; Expose-down
    ;; (define-key map "197z" [put])
    ;; (define-key map "198z" 'ignore)		; Open-down
    ;; (define-key map "199z" [get])
    (define-key map "200z" [find])
    ;; (define-key map "201z" 'kill-region-and-unmark)	; Delete
    (define-key map "224z" [f1])
    (define-key map "225z" [f2])
    (define-key map "226z" [f3])
    (define-key map "227z" [f4])
    (define-key map "228z" [f5])
    (define-key map "229z" [f6])
    (define-key map "230z" [f7])
    (define-key map "231z" [f8])
    (define-key map "232z" [f9])
    (define-key map "233z" [f10])
    (define-key map "234z" [f11])
    (define-key map "235z" [f12])
    (define-key map "A" [up])  ; R8
    (define-key map "B" [down]) ; R14
    (define-key map "C" [right]) ; R12
    (define-key map "D" [left])  ; R10
    map))



(defun terminal-init-sun ()
  "Terminal initialization function for sun."
  (define-key input-decode-map "\e[" sun-raw-prefix)

  (global-set-key [r3]	'backward-page)
  (global-set-key [r6]	'forward-page)
  (global-set-key [r7]	'beginning-of-buffer)
  (global-set-key [r9]	'scroll-down-command)
  (global-set-key [r11]	'recenter)
  (global-set-key [r13]	'end-of-buffer)
  (global-set-key [r15]	'scroll-up-command)
  (global-set-key [redo]	'redraw-display) ;FIXME: collides with default.
  (global-set-key [props]	'list-buffers)
  (global-set-key [put]	'sun-select-region)
  (global-set-key [get]	'sun-yank-selection)
  (global-set-key [find]	'exchange-point-and-mark)
  (global-set-key [f3]	'scroll-down-in-place)
  (global-set-key [f4]	'scroll-up-in-place)
  (global-set-key [f6]	'shrink-window)
  (global-set-key [f7]	'enlarge-window))

(provide 'term/sun)

;;; sun.el ends here