release 2.0.2

built by GitHub Actions:
https://github.com/JFormDesigner/FlatLaf/actions/runs/1866639721

CHANGELOG.md

@@ -1,6 +1,16 @@
 FlatLaf Change Log
 ==================
 
+## 2.0.2
+
+- Native window decorations (Windows 10/11 only): Fixed rendering artifacts on
+  HiDPI screens when dragging window partly offscreen and back into screen
+  bounds. (issue #477)
+- Repaint component when setting client property `JComponent.outline` (issue
+  #480).
+- macOS: Fixed NPE when using some icons in main menu items. (issue #483)
+
+
 ## 2.0.1
 
 - Fixed memory leak in Panel, Separator and ToolBarSeparator. (issue #471;

README.md

@@ -126,6 +126,8 @@ Buzz
 Applications using FlatLaf
 --------------------------
 
+- ![New](images/new.svg) [Ultorg](https://www.ultorg.com/) (**commercial**) - a
+  visual query system for relational databases
 - ![New](images/new.svg) [MooInfo](https://github.com/rememberber/MooInfo) -
   visual implementation of OSHI, to view information about the system and
   hardware

build.gradle.kts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-val releaseVersion = "2.0.1"
+val releaseVersion = "2.0.2"
 val developmentVersion = "2.1-SNAPSHOT"
 
 version = if( java.lang.Boolean.getBoolean( "release" ) ) releaseVersion else developmentVersion

flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatHelpButtonIcon.java

@@ -96,8 +96,8 @@ public class FlatHelpButtonIcon
 			</svg>
 		*/
 
-		boolean enabled = c.isEnabled();
+		boolean enabled = c == null || c.isEnabled();
-		boolean focused = FlatUIUtils.isPermanentFocusOwner( c );
+		boolean focused = c != null && FlatUIUtils.isPermanentFocusOwner( c );
 
 		float xy = 0.5f;
 		float wh = iconSize() - 1;

flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatMenuArrowIcon.java

@@ -63,7 +63,7 @@ public class FlatMenuArrowIcon
 
 	@Override
 	protected void paintIcon( Component c, Graphics2D g ) {
-		if( !c.getComponentOrientation().isLeftToRight() )
+		if( c != null && !c.getComponentOrientation().isLeftToRight() )
 			g.rotate( Math.toRadians( 180 ), width / 2., height / 2. );
 
 		g.setColor( getArrowColor( c ) );
@@ -82,7 +82,7 @@ public class FlatMenuArrowIcon
 		if( c instanceof JMenu && ((JMenu)c).isSelected() && !isUnderlineSelection() )
 			return selectionForeground;
 
-		return c.isEnabled() ? arrowColor : disabledArrowColor;
+		return c == null || c.isEnabled() ? arrowColor : disabledArrowColor;
 	}
 
 	protected boolean isUnderlineSelection() {

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

@@ -262,6 +262,10 @@ public class FlatButtonUI
 				b.repaint();
 				break;
 
+			case OUTLINE:
+				b.repaint();
+				break;
+
 			case STYLE:
 			case STYLE_CLASS:
 				if( shared && FlatStylingSupport.hasStyleProperty( b ) ) {
@@ -569,6 +573,9 @@ public class FlatButtonUI
 	public static Color buttonStateColor( Component c, Color enabledColor, Color disabledColor,
 		Color focusedColor, Color hoverColor, Color pressedColor )
 	{
+		if( c == null )
+			return enabledColor;
+
 		if( !c.isEnabled() )
 			return disabledColor;
 

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

@@ -354,6 +354,7 @@ public class FlatComboBoxUI
 						break;
 
 					case COMPONENT_ROUND_RECT:
+					case OUTLINE:
 						comboBox.repaint();
 						break;
 

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

@@ -291,6 +291,10 @@ public class FlatScrollPaneUI
 					}
 					break;
 
+				case FlatClientProperties.OUTLINE:
+					scrollpane.repaint();
+					break;
+
 				case FlatClientProperties.STYLE:
 				case FlatClientProperties.STYLE_CLASS:
 					installStyle();

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

@@ -538,6 +538,7 @@ public class FlatSpinnerUI
 					break;
 
 				case FlatClientProperties.COMPONENT_ROUND_RECT:
+				case FlatClientProperties.OUTLINE:
 					spinner.repaint();
 					break;
 

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

@@ -232,6 +232,7 @@ public class FlatTextFieldUI
 		switch( e.getPropertyName() ) {
 			case PLACEHOLDER_TEXT:
 			case COMPONENT_ROUND_RECT:
+			case OUTLINE:
 			case TEXT_FIELD_PADDING:
 				c.repaint();
 				break;

flatlaf-core/src/test/java/com/formdev/flatlaf/icons/TestFlatIconPaintingNullComponent.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright 2022 FormDev Software GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.formdev.flatlaf.icons;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.image.BufferedImage;
+import javax.swing.Icon;
+import com.formdev.flatlaf.ui.TestUtils;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+
+class TestFlatIconPaintingNullComponent
+{
+	static Graphics graphics;
+
+	@BeforeAll
+	static void setup() {
+		TestUtils.setup( false );
+		graphics = new BufferedImage( 32, 32, BufferedImage.TYPE_INT_ARGB ).getGraphics();
+		graphics.setColor( Color.white );
+	}
+
+	@AfterAll
+	static void cleanup() {
+		TestUtils.cleanup();
+		graphics = null;
+	}
+
+	@Test
+	void flatHelpButtonIcon() {
+		paintWithoutException( new FlatHelpButtonIcon() );
+	}
+
+	@Test
+	void flatMenuArrowIcon() {
+		paintWithoutException( new FlatMenuArrowIcon() );
+	}
+
+	@Test
+	void flatSearchIcon() {
+		paintWithoutException( new FlatSearchIcon() );
+	}
+
+	private void paintWithoutException( Icon icon ) {
+		graphics.clearRect( 0, 0, 32, 32 );
+		assertDoesNotThrow( () -> icon.paintIcon( null, graphics, 0, 0 ) );
+	}
+}

flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/FlatSVGIcon.java

@@ -480,7 +480,7 @@ public class FlatSVGIcon
 
 			if( url == null ) {
 				loadFailed = true;
-				LoggingFacade.INSTANCE.logSevere( "FlatSVGIcon: resource '" + name + "' not found (if using Java modules, check whether icon package is opened in module-info.java)", null );
+				LoggingFacade.INSTANCE.logConfig( "FlatSVGIcon: resource '" + name + "' not found (if using Java modules, check whether icon package is opened in module-info.java)", null );
 				return;
 			}
 

flatlaf-natives/flatlaf-natives-jna/src/main/java/com/formdev/flatlaf/natives/jna/windows/FlatWindowsNativeWindowBorder.java

@@ -288,6 +288,7 @@ public class FlatWindowsNativeWindowBorder
 		private static final int GWLP_WNDPROC = -4;
 
 		private static final int
+			WM_MOVE = 0x0003,
 			WM_ERASEBKGND = 0x0014,
 			WM_NCCALCSIZE = 0x0083,
 			WM_NCHITTEST = 0x0084,
@@ -301,6 +302,10 @@ public class FlatWindowsNativeWindowBorder
 			WM_LBUTTONDOWN = 0x0201,
 			WM_LBUTTONUP = 0x0202,
 
+			WM_MOVING = 0x0216,
+			WM_ENTERSIZEMOVE = 0x0231,
+			WM_EXITSIZEMOVE = 0x0232,
+
 			WM_DWMCOLORIZATIONCOLORCHANGED = 0x0320;
 
 		// WM_SIZE wParam
@@ -341,6 +346,8 @@ public class FlatWindowsNativeWindowBorder
 		private final LONG_PTR defaultWndProc;
 		private int wmSizeWParam = -1;
 		private HBRUSH background;
+		private boolean isMovingOrSizing;
+		private boolean isMoving;
 
 		// Swing coordinates/values may be scaled on a HiDPI screen
 		private int titleBarHeight;
@@ -477,7 +484,27 @@ public class FlatWindowsNativeWindowBorder
 						wParam = new WPARAM( wmSizeWParam );
 					break;
 
+				case WM_ENTERSIZEMOVE:
+					isMovingOrSizing = true;
+					break;
+
+				case WM_EXITSIZEMOVE:
+					isMovingOrSizing = isMoving = false;
+					break;
+
+				case WM_MOVE:
+				case WM_MOVING:
+					if( isMovingOrSizing )
+						isMoving = true;
+					break;
+
 				case WM_ERASEBKGND:
+					// do not erase background while the user is moving the window,
+					// otherwise there may be rendering artifacts on HiDPI screens with Java 9+
+					// when dragging the window partly offscreen and back into the screen bounds
+					if( isMoving )
+						return new LRESULT( 0 );
+
 					return WmEraseBkgnd( hwnd, uMsg, wParam, lParam );
 
 				case WM_DESTROY:

flatlaf-natives/flatlaf-natives-windows/src/main/cpp/FlatWndProc.cpp

@@ -88,6 +88,8 @@ FlatWndProc::FlatWndProc() {
 	defaultWndProc = NULL;
 	wmSizeWParam = -1;
 	background = NULL;
+	isMovingOrSizing = false;
+	isMoving = false;
 }
 
 HWND FlatWndProc::install( JNIEnv *env, jobject obj, jobject window ) {
@@ -250,7 +252,27 @@ LRESULT CALLBACK FlatWndProc::WindowProc( HWND hwnd, UINT uMsg, WPARAM wParam, L
 				wParam = wmSizeWParam;
 			break;
 
+		case WM_ENTERSIZEMOVE:
+			isMovingOrSizing = true;
+			break;
+
+		case WM_EXITSIZEMOVE:
+			isMovingOrSizing = isMoving = false;
+			break;
+
+		case WM_MOVE:
+		case WM_MOVING:
+			if( isMovingOrSizing )
+				isMoving = true;
+			break;
+
 		case WM_ERASEBKGND:
+			// do not erase background while the user is moving the window,
+			// otherwise there may be rendering artifacts on HiDPI screens with Java 9+
+			// when dragging the window partly offscreen and back into the screen bounds
+			if( isMoving )
+				return FALSE;
+
 			return WmEraseBkgnd( hwnd, uMsg, wParam, lParam );
 
 		case WM_DESTROY:

flatlaf-natives/flatlaf-natives-windows/src/main/cpp/FlatWndProc.h

@@ -43,6 +43,8 @@ private:
 	WNDPROC defaultWndProc;
 	int wmSizeWParam;
 	HBRUSH background;
+	bool isMovingOrSizing;
+	bool isMoving;
 
 	FlatWndProc();
 	static void initIDs( JNIEnv *env, jobject obj );

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatComponentsTest.java

@@ -162,7 +162,6 @@ public class FlatComponentsTest
 				((JComponent)c).putClientProperty( FlatClientProperties.OUTLINE, outline );
 		} );
 
-		repaint();
 		textField1.requestFocusInWindow();
 	}