From acd41e5885b1298b9d270119a7ff89ea7b9b0c64 Mon Sep 17 00:00:00 2001
From: Dime <122196845+MinecraftYJQ@users.noreply.github.com>
Date: Sat, 3 Jan 2026 20:19:08 +0800
Subject: [PATCH] =?UTF-8?q?=E5=9C=A8=E6=B7=BB=E5=8A=A0=E6=B8=B8=E6=88=8F?=
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Co-authored-by: Ciilu <109708109+Ciilu@users.noreply.github.com>
Co-authored-by: Glavo <zjx001202@gmail.com>
---
 .../hmcl/ui/profile/ProfilePage.java          | 41 ++++++++++++++++---
 1 file changed, 36 insertions(+), 5 deletions(-)

diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/profile/ProfilePage.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/profile/ProfilePage.java
index 91ea0b5ef..899fe7b70 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/profile/ProfilePage.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/profile/ProfilePage.java
@@ -22,10 +22,9 @@ import com.jfoenix.controls.JFXTextField;
 import com.jfoenix.validation.RequiredFieldValidator;
 import com.jfoenix.validation.base.ValidatorBase;
 import javafx.beans.binding.Bindings;
-import javafx.beans.property.ReadOnlyObjectProperty;
-import javafx.beans.property.ReadOnlyObjectWrapper;
-import javafx.beans.property.SimpleStringProperty;
-import javafx.beans.property.StringProperty;
+import javafx.beans.property.*;
+import javafx.beans.value.ChangeListener;
+import javafx.beans.value.ObservableValue;
 import javafx.geometry.Insets;
 import javafx.geometry.Pos;
 import javafx.scene.control.Label;
@@ -44,6 +43,7 @@ import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
 import org.jackhuang.hmcl.util.StringUtils;
 import org.jackhuang.hmcl.util.io.FileUtils;
 
+import java.nio.file.InvalidPathException;
 import java.nio.file.Path;
 import java.util.Optional;
 
@@ -53,7 +53,6 @@ public final class ProfilePage extends BorderPane implements DecoratorPage {
     private final ReadOnlyObjectWrapper<State> state = new ReadOnlyObjectWrapper<>();
     private final StringProperty location;
     private final Profile profile;
-
     private final JFXTextField txtProfileName;
     private final FileItem gameDir;
     private final OptionToggleButton toggleUseRelativePath;
@@ -147,6 +146,38 @@ public final class ProfilePage extends BorderPane implements DecoratorPage {
                     () -> !txtProfileName.validate() || StringUtils.isBlank(getLocation()),
                     txtProfileName.textProperty(), location));
         }
+
+        ChangeListener<String> locationChangeListener = (observable, oldValue, newValue) -> {
+            Path newPath;
+            try {
+                newPath = FileUtils.toAbsolute(Path.of(newValue));
+            } catch (InvalidPathException ignored) {
+                return;
+            }
+
+            if (!".minecraft".equals(FileUtils.getName(newPath)))
+                return;
+
+            Path parent = newPath.getParent();
+            if (parent == null)
+                return;
+
+            String suggestedName = FileUtils.getName(parent);
+            if (!suggestedName.isBlank()) {
+                txtProfileName.setText(suggestedName);
+            }
+        };
+        locationProperty().addListener(locationChangeListener);
+
+        txtProfileName.textProperty().addListener(new ChangeListener<>() {
+            @Override
+            public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue) {
+                if (txtProfileName.isFocused()) {
+                    txtProfileName.textProperty().removeListener(this);
+                    locationProperty().removeListener(locationChangeListener);
+                }
+            }
+        });
     }
 
     private void onSave() {