From e9e6ef1f20cb74da457ec80eb161823e1ce38e25 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=BE=9E=E5=BA=90?=
 <109708109+CiiLu@users.noreply.github.com>
Date: Tue, 27 Jan 2026 20:42:48 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=20JFXPopup=20?=
 =?UTF-8?q?=E5=9C=A8=20RTL=20=E4=B8=8B=E6=BC=82=E7=A7=BB=E7=9A=84=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98=20(#5328)?=
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---
 .../java/com/jfoenix/controls/JFXPopup.java   | 30 ++++++++++++-------
 1 file changed, 20 insertions(+), 10 deletions(-)

diff --git a/HMCL/src/main/java/com/jfoenix/controls/JFXPopup.java b/HMCL/src/main/java/com/jfoenix/controls/JFXPopup.java
index 41accd48a..b3e40b6f2 100644
--- a/HMCL/src/main/java/com/jfoenix/controls/JFXPopup.java
+++ b/HMCL/src/main/java/com/jfoenix/controls/JFXPopup.java
@@ -24,8 +24,10 @@ import javafx.application.Platform;
 import javafx.beans.DefaultProperty;
 import javafx.beans.property.ObjectProperty;
 import javafx.beans.property.SimpleObjectProperty;
+import javafx.geometry.NodeOrientation;
 import javafx.geometry.Point2D;
 import javafx.scene.Node;
+import javafx.scene.Scene;
 import javafx.scene.control.PopupControl;
 import javafx.scene.control.Skin;
 import javafx.scene.layout.Pane;
@@ -41,7 +43,12 @@ import javafx.stage.Window;
 public class JFXPopup extends PopupControl {
 
     public enum PopupHPosition {
-        RIGHT, LEFT
+        RIGHT,
+        LEFT;
+
+        public PopupHPosition getOpposite() {
+            return (this == RIGHT) ? LEFT : RIGHT;
+        }
     }
 
     public enum PopupVPosition {
@@ -121,18 +128,21 @@ public class JFXPopup extends PopupControl {
     /// @param initOffsetY on the y-axis
     public void show(Node node, PopupVPosition vAlign, PopupHPosition hAlign, double initOffsetX, double initOffsetY) {
         if (!isShowing()) {
-            if (node.getScene() == null || node.getScene().getWindow() == null) {
+            Scene scene = node.getScene();
+            if (scene == null || scene.getWindow() == null) {
                 throw new IllegalStateException("Can not show popup. The node must be attached to a scene/window.");
             }
-            Window parent = node.getScene().getWindow();
+            Window parent = scene.getWindow();
             final Point2D origin = node.localToScene(0, 0);
-            final double anchorX = parent.getX() + origin.getX()
-                    + node.getScene().getX() + (hAlign == PopupHPosition.RIGHT ? ((Region) node).getWidth() : 0);
-            final double anchorY = parent.getY() + origin.getY()
-                    + node.getScene()
-                    .getY() + (vAlign == PopupVPosition.BOTTOM ? ((Region) node).getHeight() : 0);
-            this.show(parent, anchorX, anchorY);
-            ((JFXPopupSkin) getSkin()).reset(vAlign, hAlign, initOffsetX, initOffsetY);
+
+            boolean isRTL = node.getEffectiveNodeOrientation() == NodeOrientation.RIGHT_TO_LEFT;
+
+            this.show(parent,
+                    parent.getX() + scene.getX() + origin.getX() + (hAlign == PopupHPosition.RIGHT ? ((Region) node).getWidth() : 0),
+                    parent.getY() + origin.getY() + scene.getY() + (vAlign == PopupVPosition.BOTTOM ? ((Region) node).getHeight() : 0)
+            );
+
+            ((JFXPopupSkin) getSkin()).reset(vAlign, isRTL ? hAlign.getOpposite() : hAlign, isRTL ? -initOffsetX : initOffsetX, initOffsetY);
             Platform.runLater(() -> ((JFXPopupSkin) getSkin()).animate());
         }
     }