Popup: fixed UnsupportedOperationException: PERPIXEL_TRANSLUCENT translucency is not supported exception on Haiku OS when showing popup (partly) outside of window (issue #869)

CHANGELOG.md

@@ -1,6 +1,15 @@
 FlatLaf Change Log
 ==================
 
+## 3.5.1-SNAPSHOT
+
+#### Fixed bugs
+
+- Popup: Fixed `UnsupportedOperationException: PERPIXEL_TRANSLUCENT translucency
+  is not supported` exception on Haiku OS when showing popup (partly) outside of
+  window. (issue #869)
+
+
 ## 3.5
 
 #### New features and improvements

flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatPopupFactory.java

@@ -139,7 +139,10 @@ public class FlatPopupFactory
 			forceHeavyWeight = true;
 
 		// create drop shadow popup
-		return new DropShadowPopup( getPopupForScreenOfOwner( owner, contents, x, y, forceHeavyWeight ), owner, contents );
+		Popup popupForScreenOfOwner = getPopupForScreenOfOwner( owner, contents, x, y, forceHeavyWeight );
+		return owner.getGraphicsConfiguration().isTranslucencyCapable()
+			? new DropShadowPopup( popupForScreenOfOwner, owner, contents )
+			: new NonFlashingPopup( popupForScreenOfOwner, owner, contents );
 	}
 
 	/**

gradle.properties

@@ -15,7 +15,7 @@
 #
 
 flatlaf.releaseVersion     = 3.5
-flatlaf.developmentVersion = 3.6-SNAPSHOT
+flatlaf.developmentVersion = 3.5.1-SNAPSHOT
 
 org.gradle.parallel = true
 # org.gradle.warning.mode = all