Wrapper: update native window

mirai-console-wrapper/src/main/kotlin/net/mamoe/mirai/console/wrapper/MiraiDownloader.kt

@@ -161,7 +161,6 @@ class MiraiDownloaderProgressBarInUI(): MiraiDownloadProgressBar{
     }
 
     override fun complete() {
-        TODO("Not yet implemented")
     }
 
 }

mirai-console-wrapper/src/main/kotlin/net/mamoe/mirai/console/wrapper/WrapperMain.kt

@@ -7,17 +7,16 @@
  * https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 @file:Suppress("EXPERIMENTAL_API_USAGE")
+
 package net.mamoe.mirai.console.wrapper
 
 import kotlinx.coroutines.*
-import java.awt.Frame
-import java.awt.Panel
 import java.awt.TextArea
-import java.awt.Toolkit
 import java.io.File
-import java.lang.StringBuilder
 import java.net.URLClassLoader
 import java.util.*
+import javax.swing.JFrame
+import javax.swing.JPanel
 
 
 val contentPath by lazy {
@@ -41,23 +40,17 @@ object WrapperMain {
     fun main(args: Array<String>) {
         gc()
         if (args.contains("native") || args.contains("-native")) {
-
-            val f = Frame("Mirai-Console Version Check")
+            val f = JFrame("Mirai-Console Version Check")
+            f.setSize(500, 200)
+            f.setLocationRelativeTo(null)
             f.isResizable = false
-            val srcSize= Toolkit.getDefaultToolkit().screenSize
 
-            val width = 300
-            val height = 200
-
-            val p = Panel()
-            val textArea = TextArea()
-            textArea.isEditable = false
-            p.add(textArea)
-            p.isVisible = true
-
-            f.setLocation((srcSize.width-width)/2, (srcSize.height-height)/2)
-            f.setSize(width, height)
+            val p = JPanel()
             f.add(p)
+            val textArea = TextArea()
+            p.add(textArea)
+            textArea.isEditable = false
+
             f.isVisible = true
 
             uiLog("正在进行版本检查\n")
@@ -160,15 +153,16 @@ object WrapperMain {
 }
 
 
-
 private class MiraiClassLoader(
     protocol: File,
     console: File,
     parent: ClassLoader?
-): URLClassLoader(arrayOf(
+) : URLClassLoader(
+    arrayOf(
         protocol.toURI().toURL(),
         console.toURI().toURL()
-), parent)
+    ), parent
+)
 
 
 private object WrapperProperties {