Add option to disable tree popups.

core/src/main/java/com/github/weisj/darklaf/ui/tree/DarkTreeUI.java

@@ -179,8 +179,10 @@ public class DarkTreeUI extends BasicTreeUI implements PropertyChangeListener, C
     @Override
     protected void installListeners() {
         super.installListeners();
+        if (UIManager.getBoolean("Tree.showFullRowInPopup")) {
             popupListener = createPopupMouseListener();
             popupListener.install();
+        }
         tree.addPropertyChangeListener(this);
         tree.addMouseListener(selectionListener);
     }
@@ -377,8 +379,10 @@ public class DarkTreeUI extends BasicTreeUI implements PropertyChangeListener, C
     @Override
     protected void uninstallListeners() {
         super.uninstallListeners();
+        if (popupListener != null) {
             popupListener.uninstall();
             popupListener = null;
+        }
         tree.removeMouseListener(selectionListener);
         tree.removePropertyChangeListener(this);
     }
@@ -550,7 +554,7 @@ public class DarkTreeUI extends BasicTreeUI implements PropertyChangeListener, C
 
     @Override
     public void update(final Graphics g, final JComponent c) {
-        popupListener.repaint();
+        if (popupListener != null) popupListener.repaint();
         super.update(g, c);
     }
 

core/src/main/resources/com/github/weisj/darklaf/properties/overwrites.properties

@@ -30,4 +30,5 @@ Tree.renderBooleanAsCheckBox       = treeBooleanRenderer
 TextComponent.roundedSelection     = roundedSelection
 Button.convertIconOnlyToBorderless = borderlessIconButtons
 Tree.defaultLineStyle              = treeLineStyle
+Tree.showFullRowInPopup            = treeRowPopup
 ToolTip.defaultStyle               = tooltipStyle

core/src/main/resources/com/github/weisj/darklaf/properties/ui/tree.properties

@@ -67,6 +67,7 @@ Tree.alternateRowColor                   = false
 Tree.renderBooleanAsCheckBox              = true
 Tree.booleanRenderType                    = checkBox
 Tree.defaultLineStyle                     = line
+Tree.showFullRowInPopup                   = true
 
 Tree.editorBorderInsets                   = 2,5,2,5