src/com/googlecode/lanterna/terminal/ResizeListener.java

   1 /*
   2  * This file is part of lanterna (http://code.google.com/p/lanterna/).
   3  *
   4  * lanterna is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU Lesser General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  * Copyright (C) 2010-2015 Martin
  18  */
  19 package com.googlecode.lanterna.terminal;
  20
  21 import com.googlecode.lanterna.TerminalSize;
  22
  23 /**
  24  * Listener interface that can be used to be alerted on terminal resizing
  25  */
  26 public interface ResizeListener {
  27
  28     /**
  29      * The terminal has changed its size, most likely because the user has resized the window. This callback is
  30      * invoked by something inside the lanterna library, it could be a signal handler thread, it could be the AWT
  31      * thread, it could be something else, so please be careful with what kind of operation you do in here. Also,
  32      * make sure not to take too long before returning. Best practice would be to update an internal status in your
  33      * program to mark that the terminal has been resized (possibly along with the new size) and then in your main
  34      * loop you deal with this at the beginning of each redraw.
  35      * @param terminal Terminal that was resized
  36      * @param newSize Size of the terminal after the resize
  37      */
  38     @SuppressWarnings("UnusedParameters")
  39     void onResized(Terminal terminal, TerminalSize newSize);
  40
  41 }