| 1 | /* |
| 2 | * Jexer - Java Text User Interface |
| 3 | * |
| 4 | * The MIT License (MIT) |
| 5 | * |
| 6 | * Copyright (C) 2019 Kevin Lamonte |
| 7 | * |
| 8 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 9 | * copy of this software and associated documentation files (the "Software"), |
| 10 | * to deal in the Software without restriction, including without limitation |
| 11 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 12 | * and/or sell copies of the Software, and to permit persons to whom the |
| 13 | * Software is furnished to do so, subject to the following conditions: |
| 14 | * |
| 15 | * The above copyright notice and this permission notice shall be included in |
| 16 | * all copies or substantial portions of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 21 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 23 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 24 | * DEALINGS IN THE SOFTWARE. |
| 25 | * |
| 26 | * @author Kevin Lamonte [kevin.lamonte@gmail.com] |
| 27 | * @version 1 |
| 28 | */ |
| 29 | package jexer.tterminal; |
| 30 | |
| 31 | /** |
| 32 | * DisplayListener is used to callback into external UI when data has come in |
| 33 | * from the remote side. |
| 34 | */ |
| 35 | public interface DisplayListener { |
| 36 | |
| 37 | /** |
| 38 | * Function to call when the display needs to be updated. |
| 39 | */ |
| 40 | public void displayChanged(); |
| 41 | |
| 42 | /** |
| 43 | * Function to call to obtain the display width. |
| 44 | * |
| 45 | * @return the number of columns in the display |
| 46 | */ |
| 47 | public int getDisplayWidth(); |
| 48 | |
| 49 | /** |
| 50 | * Function to call to obtain the display height. |
| 51 | * |
| 52 | * @return the number of rows in the display |
| 53 | */ |
| 54 | public int getDisplayHeight(); |
| 55 | |
| 56 | } |