/*
* This file is part of lanterna (http://code.google.com/p/lanterna/).
*
* lanterna is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright (C) 2010-2020 Martin Berglund
*/
package com.googlecode.lanterna.gui2;
This interface is the base part in the Lanterna Text GUI component hierarchy
Author: Martin
/**
* This interface is the base part in the Lanterna Text GUI component hierarchy
* @author Martin
*/
public interface TextGUIElement {
Draws the GUI element using the supplied TextGUIGraphics object. This is the main method to implement when you
want to create your own GUI components.
Params: - graphics – Graphics object to use when drawing the component
/**
* Draws the GUI element using the supplied TextGUIGraphics object. This is the main method to implement when you
* want to create your own GUI components.
* @param graphics Graphics object to use when drawing the component
*/
void draw(TextGUIGraphics graphics);
Checks if this element (or any of its child components, if any) has signaled that what it's currently displaying
is out of date and needs re-drawing.
Returns: true
if the component is invalid and needs redrawing, false
otherwise
/**
* Checks if this element (or any of its child components, if any) has signaled that what it's currently displaying
* is out of date and needs re-drawing.
* @return {@code true} if the component is invalid and needs redrawing, {@code false} otherwise
*/
boolean isInvalid();
}