Method DeleteTextRect

texteditor/text/lines.go:331–335

DeleteTextRect deletes rectangular region of text between start, end defining the upper-left and lower-right corners of a rectangle. Fails if st.Ch >= ed.Ch. Sets the timestamp on resulting Edit to now. An Undo record is automatically saved depending on Undo.Off setting.

(st, ed lexer.Pos)

// Fails if st.Ch >= ed.Ch. Sets the timestamp on resulting Edit to now.
// An Undo record is automatically saved depending on Undo.Off setting.
func (ls *Lines) DeleteTextRect(st, ed lexer.Pos) *Edit {
	ls.Lock()
	defer ls.Unlock()
	return ls.deleteTextRect(st, ed)
}

// InsertText is the primary method for inserting text,
// at given starting position.  Sets the timestamp on resulting Edit to now.