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Optimize editor's character-in-line insertion

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This commit is contained in:
John Lorentzson 2025-07-18 17:53:47 +02:00
parent ea4b8c3d99
commit c6b9e2980a
1 changed files with 23 additions and 15 deletions
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38
wip-duuqnd/editor/editor.lisp
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@ -315,7 +315,9 @@ serial connection the editor normally runs under.")
(incf (fill-pointer (line-content line)))
(replace (line-content line) to-shove
:start1 (1+ column))
(setf (char (line-content line) column) character)))))
(setf (char (line-content line) column) character))))
(when (line-in-view line (current-view *editor*))
(redisplay-line line :start column)))
(defmethod delete-character-in-line ((line line) column)
(unless (< column (fill-pointer (line-content line)))
@ -365,23 +367,27 @@ serial connection the editor normally runs under.")
(cursor-column (cursor *editor*)) start)
(update-buffer-cursor (current-buffer *editor*))))))
(defmethod redisplay-line ((line line))
(defmethod redisplay-line ((line line) &key (start 0))
;; TODO: save the cursor position
(with-editor-accessors *editor* (:current-line current
:current-buffer buffer)
(move-cursor (view-line-number (buffer-view buffer) line) 0)
(write-char #\Return *eio*)
(write-byte #x1B *eio*)
(write-char #\[ *eio*)
(write-char #\K *eio*)
(write-string (line-content line) *eio*)
(update-buffer-cursor buffer))
(cond
((= start (1- (line-length line)))
(let ((char-pos (1- (fill-pointer (line-content line)))))
(move-cursor (view-line-number (buffer-view buffer) line) char-pos)
(write-char (aref (line-content line) char-pos) *eio*)
(update-buffer-cursor buffer)))
(t
(hide-cursor)
(move-cursor (view-line-number (buffer-view buffer) line) start)
(write-byte #x1B *eio*)
(write-char #\[ *eio*)
(write-char #\K *eio*)
(write-string (line-content line) *eio* :start start)
(update-buffer-cursor buffer)
(show-cursor))))
(force-output *eio*))
(defun save-cursor ())
(defun restore-cursor ())
(defclass buffer ()
@ -485,6 +491,9 @@ Additionally ensures correct line numbers on the way, as a bonus."
:when (eql line view-line)
:return number))
(defmethod line-in-view ((line line) (view buffer-view))
(not (null (view-line-number view line))))
(defmethod redisplay-view ((view buffer-view))
(clear-screen)
(do-view-lines (line number) view
@ -547,8 +556,7 @@ Additionally ensures correct line numbers on the way, as a bonus."
(progn
(insert-character-into-line line column char)
(incf column))
(feep))
(redisplay-line line)))
(feep))))
(defun com-forward-delete ()
;; TODO: Check for end of line