org.meanworks.engine.gui.impl.radialmenu.RadialMenu.java Source code

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Here is the source code for org.meanworks.engine.gui.impl.radialmenu.RadialMenu.java

Source

package org.meanworks.engine.gui.impl.radialmenu;

import static org.lwjgl.opengl.GL11.GL_QUADS;
import static org.lwjgl.opengl.GL11.GL_TEXTURE_2D;
import static org.lwjgl.opengl.GL11.glBegin;
import static org.lwjgl.opengl.GL11.glColor4f;
import static org.lwjgl.opengl.GL11.glDisable;
import static org.lwjgl.opengl.GL11.glEnd;

import java.util.LinkedList;

import org.lwjgl.opengl.GL11;
import org.meanworks.engine.gui.Button;
import org.meanworks.engine.gui.Component;

/**
 * Copyright (C) 2013 Steffen Evensen
 * 
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU 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 General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 * 
 * @author Meanz
 */
public class RadialMenu extends Component {

    /*
     * Whether to draw the menu or nto
     */
    private boolean showMenu = false;
    /*
     * The place where we opened the menu
     */
    private int menuOpenX = 0;
    private int menuOpenY = 0;

    /**
     * Construct a new radial menu
     */
    public RadialMenu() {
        // Name, x, y, width, height
        super("radialMenu", 0, 0, getWindowWidth(), getWindowHeight());
        setVisible(false);
    }

    /**
     * Add a button to this radial menu
     * 
     * @param button
     */
    public void addButton(RadialButton button) {
        add(button);
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.fractalstudio.engine.gui.Component#onMouseDown(int, int, int)
     */
    @Override
    public boolean onMouseDown(int button, int mouseX, int mouseY) {
        if (button == 2) {
            showMenu = true;
            menuOpenX = mouseX;
            menuOpenY = mouseY;
            setVisible(true);
            return true;
        }
        return false;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.fractalstudio.engine.gui.Component#onMouseUp(int, int, int)
     */
    @Override
    public boolean onMouseUp(int button, int mouseX, int mouseY) {
        if (button == 2) {
            showMenu = false;
            setVisible(false);
            return true;
        }
        return false;
    }

    /**
     * Renders the radial menu
     */
    @Override
    public void render() {

        if (showMenu) {
            glDisable(GL_TEXTURE_2D);
            glBegin(GL_QUADS);
            {
                glColor4f(0.6f, 0.6f, 0.6f, 0.8f);
                drawQuad(menuOpenX - 20, menuOpenY - 20, 40, 40);
            }
            glEnd();

            // Draw a line
            GL11.glColor3f(1.0f, 0.0f, 0.0f);
            drawLine(menuOpenX, menuOpenY, getMouseX(), getMouseY());

            glColor4f(1.0f, 1.0f, 1.0f, 1.0f);

            //Get sub components
            int menuX = menuOpenX - 140;
            int menuY = menuOpenY - 80;
            for (Component component : this.getComponents()) {

                if (component instanceof RadialButton) {

                    RadialButton button = (RadialButton) component;

                    button.setPosition(menuX, menuY);

                    menuX -= 20;
                    menuY += 50;

                }

            }
        }

    }

}