How to remove the window drop shadow on OSX?

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timpulver

How to remove the window drop shadow on OSX?

in Integration and Hardware • 10 months ago

Anyone knows how to remove the window drop shadow of a Processing / Java application in OSX? For JFrames it should work like this

JRootPane root = getRootPane();
root.putClientProperty( "Window.shadow", Boolean.FALSE );

Any ideas on how to do this with an AWT Frame?

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PhiLho

Re: How to remove the window drop shadow on OSX?

10 months ago

I see you asked this on Stackoverflow too... If there is an answer, please consider showing it here too.

I looked at https://developer.apple.com/library/mac/#technotes/tn2007/tn2196.html
and I see:

WARNING: This property must be set before the heavyweight peer for the Window is created. Once addNotify() has been called on the component, causing creation of the heavyweight peer, changing this property has no effect.

I fear it confirms it doesn't work on AWT components (they are heavyweight components, ie. system-related components, while Swing components are lightweight, abstract entities relying on a heavyweight peer to be finally displayed by the system).

Re: How to remove the window drop shadow on OSX?

10 months ago

Sure, if I find an answer, I will post it here, too!

Seems like you are right and it's not so easy. So for this to work one may need to make changes in the Processing core?

Re: How to remove the window drop shadow on OSX?

10 months ago

Maybe this is the answer!?

http://lists.apple.com/archives/java-dev/2005/Feb/msg00439.html

I have not done OS X specific programming yet...

timpulver

Re: Re: How to remove the window drop shadow on OSX?

10 months ago

This is working on OS X 10.6 with Java 1.6_10:

import com.sun.awt.AWTUtilities;
public void init(){
frame.removeNotify();
frame.setUndecorated(true);
AWTUtilities.setWindowOpaque(frame, false); // removes the drop shadow
super.init();
}

You can use my library Ghost for this, too.

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How to remove the window drop shadow on OSX?

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