mwisbest.openbase.gui.Button.java Source code

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Here is the source code for mwisbest.openbase.gui.Button.java

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/*
 * This file is part of OpenBASE.
 *
 * Copyright  2012, Kyle Repinski
 * OpenBASE is licensed under the GNU Lesser General Public License.
 *
 * OpenBASE 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.
 *
 * OpenBASE 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/>.
 */
package mwisbest.openbase.gui;

import mwisbest.openbase.Common;
import mwisbest.openbase.event.EventHandler;
import mwisbest.openbase.event.EventManager;
import mwisbest.openbase.event.EventPriority;
import mwisbest.openbase.event.gui.ButtonClickEvent;
import mwisbest.openbase.opengl.Texture;

import org.lwjgl.input.Mouse;
import org.lwjgl.opengl.GL11;

public class Button extends Control {
    public Button(Texture texture) {
        this.type = WidgetType.BUTTON;
        this.texture = texture;
        this.width = texture.getImageWidth();
        this.height = texture.getImageHeight();
        EventManager.registerEvents(this, this);
    }

    public void onButtonClick() {
    }

    @EventHandler(EventPriority.MONITOR)
    private void onClick(ButtonClickEvent event) {
        if (event.getButton() == this)
            this.onButtonClick();
    }

    public boolean isInside(int x, int y) {
        return x < this.x + this.width && x >= this.x && y < this.y + this.height && y >= this.y;
    }

    public boolean isMouseTouching() {
        return Mouse.getX() < this.x + this.width && Mouse.getX() >= this.x && Mouse.getY() < this.y + this.height
                && Mouse.getY() >= this.y;
    }

    @Override
    public void render() {
        GL11.glPushMatrix();
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        GL11.glDepthMask(false);
        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
        if (Common.currentTextureID != this.texture.getTextureID()) {
            int texID = this.texture.getTextureID();
            GL11.glBindTexture(GL11.GL_TEXTURE_2D, texID);
            Common.currentTextureID = texID;
        }
        GL11.glTranslatef(this.x, this.y, 0);
        GL11.glBegin(GL11.GL_QUADS);
        GL11.glTexCoord2f(0, 0);
        GL11.glVertex2f(0, 0);
        GL11.glTexCoord2f(0, this.texture.getHeight());
        GL11.glVertex2f(0, this.height);
        GL11.glTexCoord2f(this.texture.getWidth(), this.texture.getHeight());
        GL11.glVertex2f(this.width, this.height);
        GL11.glTexCoord2f(this.texture.getWidth(), 0);
        GL11.glVertex2f(this.width, 0);
        GL11.glEnd();
        GL11.glPopMatrix();
    }
}