Checking if window has keyboard focus again

Question

Preface

I'm designing an application which will at one stage have it's keyboard focus taken away and redirected to another application. The application in question is Google-Chrome. At this stage my program should pause, or halt it's operations entirely until keyboard focus has been returned.

Some extra information:

My application is being written in Java
The application that is granted Keyboard focus is Google-Chrome

What I need

A way to test if a JFrame has keyboard focus maybe like:

JFrame.hasScreenFocus()

or something to that effect.

score 2 · Answer 1 · edited May 23 '17 at 12:13

2

Make any other pop-up a modal dialog and it becomes a very simple question. The focus will return to the parent window the code line after the line which calls dialog.setVisible(true).

See also The Use of Multiple JFrames, Good/Bad Practice?

edited May 23 '17 at 12:13

Community

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answered May 14 '13 at 15:10

Andrew Thompson

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Thanks for the answer. I don't think I was clear enough in my post though, I'm not passing keyboard focus to another Window created within my own program. It is a window on a separate program that will grab keyboard focus and I need to wait until it has been returned to continue the program. If this helps clarify my question I'll update the OP. – Yulfy May 14 '13 at 15:13

score 2 · Accepted Answer · answered May 14 '13 at 15:23

2

You should be able to use a WindowListener and listen for the windowActivated() event. You would also probably need to listen for windowDeactivated() to stop your current processing.

answered May 14 '13 at 15:23

camickr

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Checking if window has keyboard focus again

2 Answers2