Method spellCheck

texteditor/spell.go:204–228

spellCheck offers spelling corrections if we are at a word break or other word termination and the word before the break is unknown -- returns true if misspelled word found

(reg *text.Edit)

// spellCheck offers spelling corrections if we are at a word break or other word termination
// and the word before the break is unknown -- returns true if misspelled word found
func (ed *Editor) spellCheck(reg *text.Edit) bool {
	if ed.Buffer.spell == nil {
		return false
	}
	wb := string(reg.ToBytes())
	lwb := lexer.FirstWordApostrophe(wb) // only lookup words
	if len(lwb) <= 2 {
		return false
	}
	widx := strings.Index(wb, lwb) // adjust region for actual part looking up
	ld := len(wb) - len(lwb)
	reg.Reg.Start.Ch += widx
	reg.Reg.End.Ch += widx - ld

	sugs, knwn := ed.Buffer.spell.checkWord(lwb)
	if knwn {
		ed.Buffer.RemoveTag(reg.Reg.Start, token.TextSpellErr)
		return false
	}
	// fmt.Printf("spell err: %s\n", wb)
	ed.Buffer.spell.setWord(wb, sugs, reg.Reg.Start.Ln, reg.Reg.Start.Ch)
	ed.Buffer.RemoveTag(reg.Reg.Start, token.TextSpellErr)
	ed.Buffer.AddTagEdit(reg, token.TextSpellErr)
	return true
}

// offerCorrect pops up a menu of possible spelling corrections for word at
// current CursorPos. If no misspelling there or not in spellcorrect mode