Use smart typo highlighting in comments

Author: xyproto

v2/editor.go

@@ -85,6 +85,7 @@ type Editor struct {
 	primaryClipboard            bool        // use the primary or the secondary clipboard on UNIX?
 	jumpToLetterMode            bool        // jump directly to a highlighted letter
 	spellCheckMode              bool        // spell check mode?
+	showTypoHighlights          bool        // show typo highlights in comments?
 	createDirectoriesIfMissing  bool        // when saving a file, should directories be created if they are missing?
 	displayQuickHelp            bool        // display the quick help box?
 	noDisplayQuickHelp          bool        // prevent the quick help box from being displayed?
@@ -153,6 +154,7 @@ func (e *Editor) Copy(withLines bool) *Editor {
 	e2.primaryClipboard = e.primaryClipboard
 	e2.jumpToLetterMode = e.jumpToLetterMode
 	e2.spellCheckMode = e.spellCheckMode
+	e2.showTypoHighlights = e.showTypoHighlights
 	e2.createDirectoriesIfMissing = e.createDirectoriesIfMissing
 	e2.displayQuickHelp = e.displayQuickHelp
 	e2.blockMode = e.blockMode

v2/highlight.go

@@ -809,7 +809,7 @@ func (e *Editor) WriteLines(c *vt.Canvas, fromline, toline LineIndex, cx, cy uin
 				}
 
 				e.applyAccentHighlights(line, runesAndAttributes)
-				if highlightCurrentLine {
+				if e.showTypoHighlights {
 					e.applyTypoHighlights(line, singleLineCommentMarker, runesAndAttributes)
 				}
 

v2/insertrune.go

@@ -7,6 +7,8 @@ import (
 // InsertRune will insert a rune at the current data position, with word wrap
 // Returns true if the line was wrapped
 func (e *Editor) InsertRune(c *vt.Canvas, r rune) bool {
+	// Re-enable typo highlights when the user starts typing
+	e.showTypoHighlights = true
 	// Insert a regular space instead of a non-breaking space.
 	// Nobody likes non-breaking spaces.
 	switch r {

v2/keyloop.go

@@ -1378,6 +1378,7 @@ func Loop(tty *vt.TTY, fnord FilenameOrData, lineNumber LineNumber, colNumber Co
 			e.blockMode = false
 			e.blockCursors = nil
 			e.ClearSelection()
+			e.showTypoHighlights = false
 			c.ShowCursor()
 			// If o is used as a man page viewer, or if the escToExit flag is set, exit at the press of esc
 			if escToExit || e.mode == mode.ManPage {

v2/neweditor.go

@@ -109,6 +109,7 @@ func NewEditor(tty *vt.TTY, c *vt.Canvas, fnord FilenameOrData, lineNumber LineN
 		cycleFilenames)
 
 	e.highlightCurrentText = !envNoColor
+	e.showTypoHighlights = false
 
 	if readOnly || fnord.stdin || monitorAndReadOnly {
 		e.readOnly = true