Method keyInputInsertBracket

texteditor/events.go:396–441

keyInputInsertBracket handle input of opening bracket-like entity (paren, brace, bracket)

(kt events.Event)

// keyInputInsertBracket handle input of opening bracket-like entity
// (paren, brace, bracket)
func (ed *Editor) keyInputInsertBracket(kt events.Event) {
	pos := ed.CursorPos
	match := true
	newLine := false
	curLn := ed.Buffer.Line(pos.Ln)
	lnLen := len(curLn)
	lp, _ := parse.LanguageSupport.Properties(ed.Buffer.ParseState.Known)
	if lp != nil && lp.Lang != nil {
		match, newLine = lp.Lang.AutoBracket(&ed.Buffer.ParseState, kt.KeyRune(), pos, curLn)
	} else {
		if kt.KeyRune() == '{' {
			if pos.Ch == lnLen {
				if lnLen == 0 || unicode.IsSpace(curLn[pos.Ch-1]) {
					newLine = true
				}
				match = true
			} else {
				match = unicode.IsSpace(curLn[pos.Ch])
			}
		} else {
			match = pos.Ch == lnLen || unicode.IsSpace(curLn[pos.Ch]) // at end or if space after
		}
	}
	if match {
		ket, _ := lexer.BracePair(kt.KeyRune())
		if newLine && ed.Buffer.Options.AutoIndent {
			ed.InsertAtCursor([]byte(string(kt.KeyRune()) + "\n"))
			tbe, _, cpos := ed.Buffer.AutoIndent(ed.CursorPos.Ln)
			if tbe != nil {
				pos = lexer.Pos{Ln: tbe.Reg.End.Ln, Ch: cpos}
				ed.SetCursorShow(pos)
			}
			ed.InsertAtCursor([]byte("\n" + string(ket)))
			ed.Buffer.AutoIndent(ed.CursorPos.Ln)
		} else {
			ed.InsertAtCursor([]byte(string(kt.KeyRune()) + string(ket)))
			pos.Ch++
		}
		ed.lastAutoInsert = ket
	} else {
		ed.InsertAtCursor([]byte(string(kt.KeyRune())))
		pos.Ch++
	}
	ed.SetCursorShow(pos)
	ed.setCursorColumn(ed.CursorPos)
}

// keyInputInsertRune handles the insertion of a typed character
func (ed *Editor) keyInputInsertRune(kt events.Event) {