Reworked window size handling

Window is now resized properly at all times to embed the current frame purrfectly

cicaprojekt/ApplicationFrame.java

@@ -36,20 +36,21 @@ public class ApplicationFrame implements Runnable
             }
 
             jframe.add(gamepanel);
-            jframe.revalidate();
+            jframe.pack();
+            //jframe.revalidate(); //TODO check if needed
         }
     }
 
     public void init(){
         jframe = new JFrame();
         jframe.setFocusable(true);
-        jframe.setMinimumSize(new Dimension(menuDimension));
         jframe.setLocationRelativeTo(null);
         jframe.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
 
         initMapselector();
 
         jframe.add(mapselectorpanel);
+        jframe.pack();
     }
 
     public void backToMapSelection() {
@@ -57,7 +58,6 @@ public class ApplicationFrame implements Runnable
         jframe.removeKeyListener(keyHandler);
         initMapselector();
         jframe.add(mapselectorpanel);
-        jframe.setMinimumSize(menuDimension);
         jframe.pack();
         jframe.revalidate();
     }
@@ -81,6 +81,7 @@ public class ApplicationFrame implements Runnable
                     Control.ioErrorMessage();
                 }
             }
+
         };
 
         DefaultListModel<File> dungeonslist = new DefaultListModel<>();
@@ -99,6 +100,9 @@ public class ApplicationFrame implements Runnable
         filelist.addMouseListener(new ListMouseHandler());
         filelist.setMaximumSize(new Dimension(400, 80));
 
+        mapselectorpanel.setMinimumSize(menuDimension);
+        mapselectorpanel.setPreferredSize(menuDimension);
+
         mapselectorpanel.setLayout(new BorderLayout());
         mapselectorpanel.addMouseListener(new MouseAdapter() {
             @Override
@@ -115,11 +119,11 @@ public class ApplicationFrame implements Runnable
     
     private void setGameParams(File dungeonFile) throws IOException {
         gamepanel = new Display();
-        jframe.setMinimumSize(gamepanel.getDimension());
-        jframe.pack();
-        jframe.addKeyListener(keyHandler);
+
         Game.instance.setDisplay(gamepanel);
         Game.instance.setDungeon(new Dungeon());
         Game.instance.startGame(dungeonFile);
+
+        jframe.addKeyListener(keyHandler);
     }
 }