Method linesDeleted

texteditor/editor.go:380–390

linesDeleted deletes lines of text and reformats remaining one

(tbe *text.Edit)

// linesDeleted deletes lines of text and reformats remaining one
func (ed *Editor) linesDeleted(tbe *text.Edit) {
	stln := tbe.Reg.Start.Ln
	edln := tbe.Reg.End.Ln
	dsz := edln - stln

	ed.renders = append(ed.renders[:stln], ed.renders[edln:]...)
	ed.offsets = append(ed.offsets[:stln], ed.offsets[edln:]...)

	ed.NumLines -= dsz
	ed.NeedsLayout()
}

// bufferSignal receives a signal from the Buffer when the underlying text
// is changed.