Re: Screen Size Question

• Subject: Re: Screen Size Question
• From: Rob Westlund <email@hidden>
• Date: Sat, 16 Nov 2002 22:14:27 -0600

On Sat, 16 Nov 2002 10:50:28 -0600 Robert Westlund <email@hidden> wrote:

What is the proper (cross-platform safe) way to get the *available*
screen size for a full-screen window?

The toolkit getScreenSize() method returns the full screen resolution
on OS X, whereas the actual available height for a full-screen frame is
about 22 pixels less than that, due to the menubar. Do I need to make
a JDirect or JNI call if my app is running on a Mac, or is there a
simple Java method or system property I can use?

You have to account for the frame's insets:

// Adjust frame dimensions for system-dependent menus/windows
Insets insets = this.getInsets();
width -= (insets.left + insets.right );
height -= (insets.top + insets.bottom);

You can simulate other platforms by overriding getInsets():

public Insets getInsets ()
{
// OverRide getInsets() method to specify desired padding.

// This app:
// return new Insets(9, 9, 9, 9); // top, left, bottom, right

// Windows:
return new Insets(41, 3, 20, 3);

// Macintosh:
// return new Insets(22, 0, 0, 0);
}

- Craig

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