diff --git a/README.md b/README.md
index e6e813406..f1e680a7d 100644
--- a/README.md
+++ b/README.md
@@ -53,6 +53,8 @@ If you want to send a bug report or feature request please use the GitHub
 [issue tracker](https://github.com/hneemann/Digital/issues/new). 
 This helps me to improve Digital, so do not hesitate.
 
+You can also send a private message to [digital-simulator@web.de](mailto:digital-simulator@web.de).
+
 ## Motivation ##
 
 Below I would like to explain briefly the reasons which led me to start a new development:
diff --git a/src/main/java/de/neemann/digital/core/element/Keys.java b/src/main/java/de/neemann/digital/core/element/Keys.java
index c69991b62..2de0afea7 100644
--- a/src/main/java/de/neemann/digital/core/element/Keys.java
+++ b/src/main/java/de/neemann/digital/core/element/Keys.java
@@ -252,6 +252,13 @@ public final class Keys {
     public static final Key<Language> SETTINGS_LANGUAGE
             = new Key<>("Language", new Language());
 
+
+    /**
+     * Default state of the tree view
+     */
+    public static final Key<Boolean> SETTINGS_DEFAULT_TREESELECT
+            = new Key<>("defTreeSelect", false);
+
     /**
      * The GUI expression string representation
      */
diff --git a/src/main/java/de/neemann/digital/gui/Main.java b/src/main/java/de/neemann/digital/gui/Main.java
index 50fbf1c17..c7c49f109 100644
--- a/src/main/java/de/neemann/digital/gui/Main.java
+++ b/src/main/java/de/neemann/digital/gui/Main.java
@@ -309,6 +309,8 @@ public final class Main extends JFrame implements ClosingWindowListener.ConfirmS
             }
             revalidate();
         });
+        if (Settings.getInstance().get(Keys.SETTINGS_DEFAULT_TREESELECT))
+            treeCheckBox.doClick();
 
         toolBar.add(viewHelp.createJButtonNoText());
         toolBar.add(zoomIn.createJButtonNoText());
@@ -511,11 +513,13 @@ public final class Main extends JFrame implements ClosingWindowListener.ConfirmS
         ToolTipAction editSettings = new ToolTipAction(Lang.get("menu_editSettings")) {
             @Override
             public void actionPerformed(ActionEvent e) {
-                Language oldLang = Settings.getInstance().get(Keys.SETTINGS_LANGUAGE);
+                final Language oldLang = Settings.getInstance().get(Keys.SETTINGS_LANGUAGE);
+                final boolean oldIeeeShapes = Settings.getInstance().get(Keys.SETTINGS_IEEE_SHAPES);
                 if (new AttributeDialog(Main.this, Settings.SETTINGS_KEYS, Settings.getInstance().getAttributes()).showDialog()) {
                     FormatToExpression.setDefaultFormat(Settings.getInstance().get(Keys.SETTINGS_EXPRESSION_FORMAT));
                     final Language newLang = Settings.getInstance().getAttributes().get(Keys.SETTINGS_LANGUAGE);
-                    if (!newLang.equals(oldLang)) {
+                    final boolean newIeeeShapes = Settings.getInstance().get(Keys.SETTINGS_IEEE_SHAPES);
+                    if (!newLang.equals(oldLang) || (oldIeeeShapes != newIeeeShapes)) {
                         Lang.setLanguage(newLang);
                         JOptionPane.showMessageDialog(Main.this, Lang.get("msg_restartNeeded"));
                     }
diff --git a/src/main/java/de/neemann/digital/gui/Settings.java b/src/main/java/de/neemann/digital/gui/Settings.java
index bc352dd52..887ffa669 100644
--- a/src/main/java/de/neemann/digital/gui/Settings.java
+++ b/src/main/java/de/neemann/digital/gui/Settings.java
@@ -32,6 +32,7 @@ public final class Settings implements AttributeListener {
         INT_LIST.add(Keys.SETTINGS_IEEE_SHAPES);
         INT_LIST.add(Keys.SETTINGS_LANGUAGE);
         INT_LIST.add(Keys.SETTINGS_EXPRESSION_FORMAT);
+        INT_LIST.add(Keys.SETTINGS_DEFAULT_TREESELECT);
         INT_LIST.add(Keys.SETTINGS_ATF1502_FITTER);
     }
 
diff --git a/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java b/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
index 3cdafe6e5..0f9ed3e18 100644
--- a/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
+++ b/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
@@ -22,10 +22,7 @@ import de.neemann.digital.gui.components.modification.ModifyAttributes;
 import de.neemann.digital.gui.sync.NoSync;
 import de.neemann.digital.gui.sync.Sync;
 import de.neemann.digital.lang.Lang;
-import de.neemann.gui.ErrorMessage;
-import de.neemann.gui.IconCreator;
-import de.neemann.gui.LineBreaker;
-import de.neemann.gui.ToolTipAction;
+import de.neemann.gui.*;
 
 import javax.swing.*;
 import java.awt.*;
@@ -64,6 +61,8 @@ public class CircuitComponent extends JComponent implements Circuit.ChangedListe
     private static final int MOUSE_BORDER_SMALL = 10;
     private static final int MOUSE_BORDER_LARGE = 50;
 
+    private static final int DRAG_DISTANCE = (int) (SIZE2 * Screen.getInstance().getScaling());
+
     private final Main parent;
     private final ElementLibrary library;
     private final HashSet<Drawable> highLighted;
@@ -547,11 +546,7 @@ public class CircuitComponent extends JComponent implements Circuit.ChangedListe
                 buffer = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration().createCompatibleImage(getWidth(), getHeight());
 
             Graphics2D gr2 = buffer.createGraphics();
-            if (antiAlias) {
-                gr2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
-                gr2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
-                gr2.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
-            }
+            enableAntiAlias(gr2);
             gr2.setColor(Color.WHITE);
             gr2.fillRect(0, 0, getWidth(), getHeight());
             gr2.transform(transform);
@@ -576,11 +571,20 @@ public class CircuitComponent extends JComponent implements Circuit.ChangedListe
         Graphics2D gr2 = (Graphics2D) g;
         AffineTransform oldTrans = gr2.getTransform();
         gr2.transform(transform);
+        enableAntiAlias(gr2);
         GraphicSwing gr = new GraphicSwing(gr2, (int) (2 / transform.getScaleX()));
         activeMouseController.drawTo(gr);
         gr2.setTransform(oldTrans);
     }
 
+    private void enableAntiAlias(Graphics2D gr2) {
+        if (antiAlias) {
+            gr2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+            gr2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+            gr2.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
+        }
+    }
+
     @Override
     public void circuitHasChanged() {
         hasChanged = true;
@@ -799,7 +803,7 @@ public class CircuitComponent extends JComponent implements Circuit.ChangedListe
 
         private boolean wasMoved(MouseEvent e) {
             Vector d = new Vector(e.getX(), e.getY()).sub(pos);
-            return Math.abs(d.x) > SIZE2 || Math.abs(d.y) > SIZE2;
+            return Math.abs(d.x) > DRAG_DISTANCE || Math.abs(d.y) > DRAG_DISTANCE;
         }
 
         @Override
diff --git a/src/main/java/de/neemann/digital/gui/components/tree/SelectTree.java b/src/main/java/de/neemann/digital/gui/components/tree/SelectTree.java
index 5c2e67503..c5e7e9734 100644
--- a/src/main/java/de/neemann/digital/gui/components/tree/SelectTree.java
+++ b/src/main/java/de/neemann/digital/gui/components/tree/SelectTree.java
@@ -45,7 +45,6 @@ public class SelectTree extends JTree {
                 if (path != null && path.getPathCount() > 0) {
                     LibraryNode node = (LibraryNode) path.getLastPathComponent();
                     if (node.isLeaf() && node.isUnique()) {
-                        clearSelection();
                         try {
                             ElementTypeDescription d = node.getDescription();
                             component.setPartToInsert(new VisualElement(d.getName()).setShapeFactory(shapeFactory));
diff --git a/src/main/resources/lang/lang_de.xml b/src/main/resources/lang/lang_de.xml
index 5cbd74b25..d553afbee 100644
--- a/src/main/resources/lang/lang_de.xml
+++ b/src/main/resources/lang/lang_de.xml
@@ -641,6 +641,8 @@ Sind evtl. die Namen der Variablen nicht eindeutig?</string>
         Pinzuordnung bei der Programmierung eines CPLD verwendet.</string>
     <string name="key_pinCount">Pinanzahl DIL</string>
     <string name="key_pinCount_tt">Anzahl der Pins des DILs. Wird hier eine 0 eingetragen, wird die Anzahl automatisch bestimmt.</string>
+    <string name="key_defTreeSelect">Baumansicht beim Start aktivieren.</string>
+    <string name="key_defTreeSelect_tt">Wenn gesetzt, wird die Baumansicht beim Start automatisch aktiviert.</string>
 
     <string name="lib_Logic">Logisch</string>
     <string name="lib_arithmetic">Arithmetik</string>
@@ -827,7 +829,7 @@ Die Icons stammen aus dem Tango Desktop Project.</string>
     <string name="msg_missingShape_N">Es fehlt ein Diagramm für {0}</string>
     <string name="msg_pins">Pinbelegung</string>
     <string name="msg_pinMap_pin_N_is_N">Pin {0}: {1}</string>
-    <string name="msg_restartNeeded">Die Änderung der Sprache erfordert einen Neustart!</string>
+    <string name="msg_restartNeeded">Die Änderung der Einstellung erfordert einen Neustart!</string>
     <string name="msg_noRomFound">Kein ROM im Model gefunden! Ein ROM muss als Programmspeicher gewählt werden!</string>
     <string name="msg_moreThenOneRomFound">Mehr als einen Programmspeicher gefunden. Es darf nur einen Programmspeicher geben.</string>
     <string name="msg_enterAnExpression">Geben Sie einen Ausdruck ein:</string>
diff --git a/src/main/resources/lang/lang_en.xml b/src/main/resources/lang/lang_en.xml
index 6dbdcadf0..a830fa2f2 100644
--- a/src/main/resources/lang/lang_en.xml
+++ b/src/main/resources/lang/lang_en.xml
@@ -631,7 +631,8 @@ The names of the variables may not be unique.</string>
         the pin assignment when programming a CPLD.</string>
     <string name="key_pinCount">Number of DIL pins</string>
     <string name="key_pinCount_tt">Number of pins. A zero means that the number od pins is determined automatically.</string>
-
+    <string name="key_defTreeSelect">Component tree view is visible at startup.</string>
+    <string name="key_defTreeSelect_tt">If set, the component tree view is enabled at startup.</string>
 
     <string name="lib_Logic">Logic</string>
     <string name="lib_arithmetic">Arithmetic</string>
@@ -817,7 +818,7 @@ The icons are taken from the Tango Desktop Project.</string>
     <string name="msg_missingShape_N">Shape {0} is missing</string>
     <string name="msg_pins">Pin assignment</string>
     <string name="msg_pinMap_pin_N_is_N">Pin {0}: {1}</string>
-    <string name="msg_restartNeeded">To change the GUI language a restart is required!</string>
+    <string name="msg_restartNeeded">A restart is required for the changes to take effect!</string>
     <string name="msg_noRomFound">No ROM found! ROM needs to be set to be program memory.</string>
     <string name="msg_moreThenOneRomFound">More then one ROM found! Only one ROM must be set to be program memory.</string>
     <string name="msg_remoteUnknownCommand">Command {0} unknown!</string>