Make sure position provided by ToolTipUtil has the highest priority.

Don't show cell hint if only part of the border is obscured.

core/src/main/java/com/github/weisj/darklaf/ui/DarkPopupFactory.java

@@ -84,8 +84,9 @@ public class DarkPopupFactory extends PopupFactory {
                 window = DarkUIUtil.getWindow(contents);
             }
             if (window != null) {
-                Window finalWindow = window;
-                SwingUtilities.invokeLater(() -> finalWindow.setLocation(x, y));
+                Window w = window;
+                w.setLocation(x, y);
+                SwingUtilities.invokeLater(() -> w.setLocation(x, y));
             }
         }
         return new Pair<>(popup, type);

core/src/main/java/com/github/weisj/darklaf/ui/cell/hint/CellHintPopupListener.java

@@ -29,6 +29,7 @@ import java.awt.event.MouseEvent;
 import java.util.Objects;
 
 import javax.swing.*;
+import javax.swing.border.Border;
 import javax.swing.event.MouseInputAdapter;
 
 import com.github.weisj.darklaf.graphics.PaintUtil;
@@ -97,6 +98,15 @@ public class CellHintPopupListener<T extends JComponent, I> extends MouseInputAd
                 final Dimension prefSize = isEditing
                         ? comp.getBounds().getSize()
                         : comp.getPreferredSize();
+                if (comp instanceof JComponent) {
+                    // Avoid showing the popup if only the border is obscured.
+                    Border border = ((JComponent) comp).getBorder();
+                    if (border != null) {
+                        Insets borderInsets = border.getBorderInsets(comp);
+                        prefSize.width -= borderInsets.left + borderInsets.right;
+                        prefSize.height -= borderInsets.top + borderInsets.bottom;
+                    }
+                }
                 if (!(visibleBounds.width >= prefSize.width && visibleBounds.height >= prefSize.height)) {
                     Point popupLocation = cellContainer.getComponent().getLocationOnScreen();
                     Rectangle rect = calculatePopupBounds(cellBounds, visibleBounds, !isEditing);
@@ -105,6 +115,9 @@ public class CellHintPopupListener<T extends JComponent, I> extends MouseInputAd
                         cellBounds.y = rect.y - cellBounds.y;
                         rect.x += popupLocation.x;
                         rect.y += popupLocation.y;
+                        System.out.println("Allocation " + allocation);
+                        System.out.println("CellBounds " + cellBounds);
+                        System.out.println("PreffeSize " + prefSize);
                         enter(index, rect, cellBounds);
                         return;
                     } else {
@@ -228,7 +241,7 @@ public class CellHintPopupListener<T extends JComponent, I> extends MouseInputAd
                 popup.show();
                 if (DarkPopupFactory.getPopupType(popup) == DarkPopupFactory.PopupType.HEAVY_WEIGHT) {
                     // Ensure heavy weight popup is at desired location.
-                    movePopup(bounds);
+                    SwingUtilities.invokeLater(() -> movePopup(bounds));
                 }
             }
         }

core/src/main/java/com/github/weisj/darklaf/ui/filechooser/DarkFilePane.java

@@ -43,7 +43,6 @@ import javax.swing.text.Position;
 import sun.swing.SwingUtilities2;
 
 import com.github.weisj.darklaf.components.OverlayScrollPane;
-import com.github.weisj.darklaf.ui.list.DarkListCellRendererDelegate;
 import com.github.weisj.darklaf.ui.table.DarkTableUI;
 import com.github.weisj.darklaf.ui.table.TextTableCellEditorBorder;
 import com.github.weisj.darklaf.ui.text.DarkTextUI;

core/src/main/java/com/github/weisj/darklaf/ui/tooltip/ToolTipUtil.java

@@ -28,9 +28,11 @@ import java.awt.*;
 import java.util.function.BiConsumer;
 
 import javax.swing.*;
+import javax.swing.event.AncestorEvent;
 
 import com.github.weisj.darklaf.components.tooltip.ToolTipContext;
 import com.github.weisj.darklaf.components.tooltip.ToolTipStyle;
+import com.github.weisj.darklaf.listener.AncestorAdapter;
 import com.github.weisj.darklaf.util.Alignment;
 import com.github.weisj.darklaf.util.DarkUIUtil;
 
@@ -180,6 +182,12 @@ public class ToolTipUtil {
         Point p = new Point(x, y);
         SwingUtilities.convertPointToScreen(p, target);
         window.setLocation(p);
-        SwingUtilities.invokeLater(() -> window.setLocation(p));
+        toolTip.addAncestorListener(new AncestorAdapter() {
+            @Override
+            public void ancestorAdded(final AncestorEvent event) {
+                window.setLocation(p.x, p.y);
+                toolTip.removeAncestorListener(this);
+            }
+        });
     }
 }