From ccd4f99aeacbc3572903393001c7ec78c0d54897 Mon Sep 17 00:00:00 2001
From: Karl Tauber <karl@jformdesigner.com>
Date: Fri, 20 Nov 2020 10:12:28 +0100
Subject: [PATCH] Window decorations: removed 1px window border if window is in
 full-screen mode (issue #212)

---
 .../src/main/java/com/formdev/flatlaf/ui/FlatRootPaneUI.java  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatRootPaneUI.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatRootPaneUI.java
index c7e89ca7..070eb896 100644
--- a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatRootPaneUI.java
+++ b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatRootPaneUI.java
@@ -357,7 +357,7 @@ public class FlatRootPaneUI
 
 		@Override
 		public Insets getBorderInsets( Component c, Insets insets ) {
-			if( isWindowMaximized( c ) ) {
+			if( isWindowMaximized( c ) || FlatUIUtils.isFullScreen( c ) ) {
 				// hide border if window is maximized
 				insets.top = insets.left = insets.bottom = insets.right = 0;
 				return insets;
@@ -367,7 +367,7 @@ public class FlatRootPaneUI
 
 		@Override
 		public void paintBorder( Component c, Graphics g, int x, int y, int width, int height ) {
-			if( isWindowMaximized( c ) )
+			if( isWindowMaximized( c ) || FlatUIUtils.isFullScreen( c ) )
 				return;
 
 			Container parent = c.getParent();