Method: GtkApp::TextBuffer#redo

Defined in:
lib/gtk_app/text_buffer.rb

#redo ⇒ Object

Pop the last action off the redo stack and apply the changes. If and action was performed, the cursor is placed at the actions starting Gtk::TextIter.



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# File 'lib/gtk_app/text_buffer.rb', line 70

def redo
  if @redo_stack.empty?
    Gdk.beep
  else
    action = @redo_stack.pop
    s_iter = get_iter_at_offset(action[1])
    e_iter = get_iter_at_offset(action[2])
    case action[0]
    when :insert then insert(s_iter, action[3])
    when :delete then delete(s_iter, e_iter)
    end
    @undo_stack.push(action)
    place_cursor(s_iter)
  end
end