Method CursorToHistoryNext

texteditor/nav.go:147–167

CursorToHistoryNext moves cursor to previous position on history list -- returns true if moved

()

// CursorToHistoryNext moves cursor to previous position on history list --
// returns true if moved
func (ed *Editor) CursorToHistoryNext() bool {
	if ed.NumLines == 0 || ed.Buffer == nil {
		ed.CursorPos = lexer.PosZero
		return false
	}
	sz := len(ed.Buffer.posHistory)
	if sz == 0 {
		return false
	}
	ed.posHistoryIndex++
	if ed.posHistoryIndex >= sz-1 {
		ed.posHistoryIndex = sz - 1
		return false
	}
	pos := ed.Buffer.posHistory[ed.posHistoryIndex]
	ed.CursorPos = ed.Buffer.ValidPos(pos)
	ed.cursorMovedEvent()
	ed.scrollCursorToCenterIfHidden()
	ed.renderCursor(true)
	return true
}

// selectRegionUpdate updates current select region based on given cursor position
// relative to SelectStart position