Tree: fixed wide selection if scrolled horizontally

CHANGELOG.md

@@ -1,6 +1,11 @@
 FlatLaf Change Log
 ==================
 
+## Unreleased
+
+- Tree: Fixed wide selection if scrolled horizontally.
+
+
 ## 0.23
 
 - Updated colors in "Flat Light" and "Flat IntelliJ" themes with colors from

flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTreeUI.java

@@ -232,7 +232,7 @@ public class FlatTreeUI
 			g.setColor( isDropRow
 				? UIManager.getColor( "Tree.dropCellBackground" )
 				: (hasFocus ? selectionBackground : selectionInactiveBackground) );
-			g.fillRect( 0, bounds.y, clipBounds.width, bounds.height );
+			g.fillRect( 0, bounds.y, tree.getWidth(), bounds.height );
 
 			// paint expand/collapse icon
 			if( shouldPaintExpandControl( path, row, isExpanded, hasBeenExpanded, isLeaf ) ) {

flatlaf-demo/src/main/java/com/formdev/flatlaf/demo/DataComponentsPanel.java

@@ -21,6 +21,7 @@ import java.awt.datatransfer.StringSelection;
 import java.awt.datatransfer.Transferable;
 import javax.swing.*;
 import javax.swing.table.*;
+import javax.swing.tree.*;
 import net.miginfocom.swing.*;
 
 /**
@@ -171,6 +172,32 @@ class DataComponentsPanel
 			//---- tree1 ----
 			tree1.setShowsRootHandles(true);
 			tree1.setEditable(true);
+			tree1.setModel(new DefaultTreeModel(
+				new DefaultMutableTreeNode("JTree") {
+					{
+						DefaultMutableTreeNode node1 = new DefaultMutableTreeNode("colors");
+							node1.add(new DefaultMutableTreeNode("blue"));
+							node1.add(new DefaultMutableTreeNode("violet"));
+							node1.add(new DefaultMutableTreeNode("red"));
+							node1.add(new DefaultMutableTreeNode("yellow"));
+						add(node1);
+						node1 = new DefaultMutableTreeNode("sports");
+							node1.add(new DefaultMutableTreeNode("basketball"));
+							node1.add(new DefaultMutableTreeNode("soccer"));
+							node1.add(new DefaultMutableTreeNode("football"));
+							node1.add(new DefaultMutableTreeNode("hockey"));
+						add(node1);
+						node1 = new DefaultMutableTreeNode("food");
+							node1.add(new DefaultMutableTreeNode("hot dogs"));
+							DefaultMutableTreeNode node2 = new DefaultMutableTreeNode("pizza");
+								node2.add(new DefaultMutableTreeNode("pizza aglio e olio"));
+								node2.add(new DefaultMutableTreeNode("pizza margherita bianca"));
+							node1.add(node2);
+							node1.add(new DefaultMutableTreeNode("ravioli"));
+							node1.add(new DefaultMutableTreeNode("bananas"));
+						add(node1);
+					}
+				}));
 			scrollPane3.setViewportView(tree1);
 		}
 		add(scrollPane3, "cell 1 1,growx");

flatlaf-demo/src/main/java/com/formdev/flatlaf/demo/DataComponentsPanel.jfd

@@ -1,4 +1,4 @@
-JFDML JFormDesigner: "7.0.0.0.194" Java: "11.0.2" encoding: "UTF-8"
+JFDML JFormDesigner: "7.0.0.0.194" Java: "13.0.1" encoding: "UTF-8"
 
 new FormModel {
 	contentType: "form/swing"
@@ -89,6 +89,60 @@ new FormModel {
 					name: "tree1"
 					"showsRootHandles": true
 					"editable": true
+					"model": new javax.swing.tree.DefaultTreeModel( new javax.swing.tree.DefaultMutableTreeNode {
+						userObject: "JTree"
+						add( new javax.swing.tree.DefaultMutableTreeNode {
+							userObject: "colors"
+							add( new javax.swing.tree.DefaultMutableTreeNode {
+								userObject: "blue"
+							} )
+							add( new javax.swing.tree.DefaultMutableTreeNode {
+								userObject: "violet"
+							} )
+							add( new javax.swing.tree.DefaultMutableTreeNode {
+								userObject: "red"
+							} )
+							add( new javax.swing.tree.DefaultMutableTreeNode {
+								userObject: "yellow"
+							} )
+						} )
+						add( new javax.swing.tree.DefaultMutableTreeNode {
+							userObject: "sports"
+							add( new javax.swing.tree.DefaultMutableTreeNode {
+								userObject: "basketball"
+							} )
+							add( new javax.swing.tree.DefaultMutableTreeNode {
+								userObject: "soccer"
+							} )
+							add( new javax.swing.tree.DefaultMutableTreeNode {
+								userObject: "football"
+							} )
+							add( new javax.swing.tree.DefaultMutableTreeNode {
+								userObject: "hockey"
+							} )
+						} )
+						add( new javax.swing.tree.DefaultMutableTreeNode {
+							userObject: "food"
+							add( new javax.swing.tree.DefaultMutableTreeNode {
+								userObject: "hot dogs"
+							} )
+							add( new javax.swing.tree.DefaultMutableTreeNode {
+								userObject: "pizza"
+								add( new javax.swing.tree.DefaultMutableTreeNode {
+									userObject: "pizza aglio e olio"
+								} )
+								add( new javax.swing.tree.DefaultMutableTreeNode {
+									userObject: "pizza margherita bianca"
+								} )
+							} )
+							add( new javax.swing.tree.DefaultMutableTreeNode {
+								userObject: "ravioli"
+							} )
+							add( new javax.swing.tree.DefaultMutableTreeNode {
+								userObject: "bananas"
+							} )
+						} )
+					} )
 					auxiliary() {
 						"JavaCodeGenerator.variableLocal": false
 					}