Fix UTF8 bug, create first executable JAR file
[jvcard.git] / src / com / googlecode / lanterna / gui2 / TextGUIElement.java
... / ...
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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 */
19package com.googlecode.lanterna.gui2;
20
21/**
22 * This interface is the base part in the Lanterna Text GUI component hierarchy
23 * @author Martin
24 */
25public interface TextGUIElement {
26 /**
27 * Draws the GUI element using the supplied TextGUIGraphics object. This is the main method to implement when you
28 * want to create your own GUI components.
29 * @param graphics Graphics object to use when drawing the component
30 */
31 void draw(TextGUIGraphics graphics);
32
33 /**
34 * Checks if this element (or any of its child components, if any) has signaled that what it's currently displaying
35 * is out of date and needs re-drawing.
36 * @return {@code true} if the component is invalid and needs redrawing, {@code false} otherwise
37 */
38 boolean isInvalid();
39}