Java Utililty Methods JFrame Center

List of utility methods to do JFrame Center

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Description

The list of methods to do JFrame Center are organized into topic(s).

Method

voidcenterDialogOnFrame(JFrame parentFrame, JDialog dialog)
Center the dialog on the parent frame. 
Point topLeft = parentFrame.getLocationOnScreen();
Dimension parentSize = parentFrame.getSize();
Dimension dialogSize = dialog.getSize();
int x;
int y;
if (parentSize.width > dialogSize.width) {
    x = ((parentSize.width - dialogSize.width) / 2) + topLeft.x;
} else {
...
voidcenterFrame(final JFrame target)
Centers JFrame on screen 
final Rectangle screen = getScreenRect();
final Rectangle frameSize = target.getBounds();
final int x = (screen.width - frameSize.width) / 2;
final int y = (screen.height - frameSize.height) / 2;
target.setLocation(x, y);
voidcenterFrame(JFrame frame)
center Frame 
Dimension frameSize = frame.getSize();
frame.setLocation(what(frameSize.width, screenSize.width), what(frameSize.height, screenSize.height));
frame.setVisible(true);
voidcenterFrame(JFrame frame)
center Frame 
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = frame.getSize();
frame.setLocation((screenSize.width / 2) - (frameSize.width / 2),
        (screenSize.height / 2) - (frameSize.height / 2));
voidcenterFrame(JFrame frame)
Centers the frame on the screen and sets its bounds. 
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
Point center = ge.getCenterPoint();
Rectangle bounds = ge.getMaximumWindowBounds();
int w = Math.max(bounds.width / 2, Math.min(frame.getWidth(), bounds.width));
int h = Math.max(bounds.height / 2, Math.min(frame.getHeight(), bounds.height));
int x = center.x - w / 2, y = center.y - h / 2;
frame.setBounds(x, y, w, h);
if ((w == bounds.width) && (h == bounds.height)) {
...
voidcenterFrame(JFrame frame)
Centers a JFrame on the user's screen. 
frame.setLocationRelativeTo(null);
voidcenterFrame(JFrame frame)
Centers a frame on the screen 
if (frame == null) {
    throw new NullPointerException("The frame can't be null");
final Dimension s = Toolkit.getDefaultToolkit().getScreenSize();
final Dimension f = frame.getSize();
frame.setLocation((s.width - f.width) / 2, (s.height - f.height) / 2);
voidcenterFrame(JFrame frame)
center Frame 
Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();
int w = frame.getSize().width;
int h = frame.getSize().height;
int x = (dim.width - w) / 2;
int y = (dim.height - h) / 2;
frame.setLocation(x, y);
voidcenterFrame(JFrame frame)
Centers the given frame on the screen 
Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();
frame.setLocation((dim.width - frame.getWidth()) / 2, (dim.height - frame.getHeight()) / 2);
voidcenterFrame(JFrame frame, boolean isPopup)
Centers a JFrame to the screen. 
final Rectangle screenSize = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice()
        .getDefaultConfiguration().getBounds();
if (isPopup) {
    frame.setSize(screenSize.width / 2, screenSize.height / 2);
final Dimension frameSize = frame.getSize();
if (frameSize.height > screenSize.height) {
    frameSize.height = screenSize.height;
...