edu.harvard.hul.ois.jhove.viewer.MainScreen Maven / Gradle / Ivy
/**********************************************************************
* Jhove - JSTOR/Harvard Object Validation Environment
* Copyright 2003 by JSTOR and the President and Fellows of Harvard College
*
**********************************************************************/
package edu.harvard.hul.ois.jhove.viewer;
import java.awt.*;
/**
* Static methods for positioning windows on the main screen.
*
* @author Gary McGath
*
*/
public class MainScreen {
/**
* Private constructor to prevent instantiation
*/
private MainScreen ()
{
}
/**
* Center the window on the main screen.
*/
public static void centerWindow (Window win)
{
Rectangle devBounds = mainBounds ();
Rectangle winBounds = win.getBounds ();
int lmargin = (devBounds.width - winBounds.width) / 2;
int tmargin = (devBounds.height - winBounds.height) / 2;
// Don't go off the edge
if (lmargin < 0) {
lmargin = 0;
}
if (tmargin < 0) {
tmargin = 0;
}
win.setLocation (lmargin, tmargin);
}
/**
* Center the window at the top of the main screen.
*/
public static void centerTopWindow (Window win)
{
Rectangle devBounds = mainBounds ();
Rectangle winBounds = win.getBounds ();
int lmargin = (devBounds.width - winBounds.width) / 2;
// Don't go off the edge
if (lmargin < 0) {
lmargin = 0;
}
win.setLocation (lmargin, 0);
}
/**
* Returns the bounds of the main monitor device.
*/
public static Rectangle mainBounds ()
{
GraphicsEnvironment ge = GraphicsEnvironment.
getLocalGraphicsEnvironment();
GraphicsDevice dev = ge.getDefaultScreenDevice();
GraphicsConfiguration conf = dev.getDefaultConfiguration ();
return conf.getBounds ();
}
}