ensure Window Inside Graphics Device - Java Swing

Java examples for Swing:Window

  1. HOME
  2. Java
  3. Swing
  4. Window

Description

ensure Window Inside Graphics Device

Demo Code


import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Insets;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.Window;
import java.awt.geom.Rectangle2D;
import com.phpsysinfo.psidesktop.business.utils.TaskbarInformation.TaskbarLocation;

public class Main{
    public static void ensureWindowInsideGraphicsDevice(Point clicPoint,
            Point windowLocation, Window window) {
        GraphicsDevice gd = getClickedDevice(clicPoint);
        if (gd == null)
            return;

        Rectangle gdBounds = gd.getDefaultConfiguration().getBounds();

        if (windowLocation.getX() + window.getWidth() > gdBounds.getWidth()) {
            // Window go outside - right of the screen
            windowLocation.x -= window.getWidth() + windowLocation.getX()
                    - gdBounds.getWidth() + 10;
            windowLocation.x += gdBounds.getX();
        } else if (windowLocation.getX() - gdBounds.getX() < 0) {
            // Window go outside - left of the screen
            windowLocation.x = (int) gdBounds.getX() + 2;
        }/*from  www  .j  a va2 s  .co  m*/

        // Window go outside - top of the screen
        if (windowLocation.getY() - gdBounds.getY() < 0) {
            windowLocation.y = (int) (clicPoint.getY() + gdBounds.getY() + 20);
        }

    }
    /**
     * Return on which screen the pointer was when the clic was done
     * @param clicPoint
     * @return
     */
    public static GraphicsDevice getClickedDevice(final Point clicPoint) {
        Rectangle2D size = new Rectangle2D.Double();
        GraphicsEnvironment localGE = GraphicsEnvironment
                .getLocalGraphicsEnvironment();
        for (GraphicsDevice gd : localGE.getScreenDevices()) {
            for (GraphicsConfiguration graphicsConfiguration : gd
                    .getConfigurations()) {
                Rectangle2D.union(size, graphicsConfiguration.getBounds(),
                        size);

                if (size.contains(clicPoint))
                    return gd;
            }
        }

        return null;
    }
}

Related Tutorials