Merge main into system-file-chooser

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

@@ -63,7 +63,7 @@ public class FlatWindowCloseIcon
 		int iy = y + ((height - iwh) / 2);
 		int ix2 = ix + iwh - 1;
 		int iy2 = iy + iwh - 1;
-		float thickness = SystemInfo.isWindows_11_orLater ? (float) scaleFactor : (int) scaleFactor;
+		float thickness = Math.max( SystemInfo.isWindows_11_orLater ? (float) scaleFactor : (int) scaleFactor, 1 );
 
 		Path2D path = new Path2D.Float( Path2D.WIND_EVEN_ODD, 4 );
 		path.moveTo( ix, iy );

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

@@ -38,7 +38,7 @@ public class FlatWindowIconifyIcon
 	@Override
 	protected void paintIconAt1x( Graphics2D g, int x, int y, int width, int height, double scaleFactor ) {
 		int iw = (int) (getSymbolHeight() * scaleFactor);
-		int ih = (int) scaleFactor;
+		int ih = Math.max( (int) scaleFactor, 1 );
 		int ix = x + ((width - iw) / 2);
 		int iy = y + ((height - ih) / 2);
 

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

@@ -42,7 +42,7 @@ public class FlatWindowMaximizeIcon
 		int iwh = (int) (getSymbolHeight() * scaleFactor);
 		int ix = x + ((width - iwh) / 2);
 		int iy = y + ((height - iwh) / 2);
-		float thickness = SystemInfo.isWindows_11_orLater ? (float) scaleFactor : (int) scaleFactor;
+		float thickness = Math.max( SystemInfo.isWindows_11_orLater ? (float) scaleFactor : (int) scaleFactor, 1 );
 		int arc = Math.max( (int) (1.5 * scaleFactor), 2 );
 
 		g.fill( SystemInfo.isWindows_11_orLater

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

@@ -45,7 +45,7 @@ public class FlatWindowRestoreIcon
 		int iwh = (int) (getSymbolHeight() * scaleFactor);
 		int ix = x + ((width - iwh) / 2);
 		int iy = y + ((height - iwh) / 2);
-		float thickness = SystemInfo.isWindows_11_orLater ? (float) scaleFactor : (int) scaleFactor;
+		float thickness = Math.max( SystemInfo.isWindows_11_orLater ? (float) scaleFactor : (int) scaleFactor, 1 );
 		int arc = Math.max( (int) (1.5 * scaleFactor), 2 );
 		int arcOuter = (int) (arc + (1.5 * scaleFactor));
 

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

@@ -653,7 +653,8 @@ public class FlatButtonUI
 	}
 
 	protected Color getBackground( JComponent c ) {
-		boolean toolBarButton = isToolBarButton( c ) || isBorderlessButton( c );
+		boolean def = isDefaultButton( c );
+		boolean toolBarButton = !def && (isToolBarButton( c ) || isBorderlessButton( c ));
 
 		// selected state
 		if( ((AbstractButton)c).isSelected() ) {
@@ -681,7 +682,6 @@ public class FlatButtonUI
 				toolbarPressedBackground );
 		}
 
-		boolean def = isDefaultButton( c );
 		return buttonStateColor( c,
 			getBackgroundBase( c, def ),
 			disabledBackground,
@@ -733,7 +733,8 @@ public class FlatButtonUI
 
 	protected Color getForeground( JComponent c ) {
 		Color fg = c.getForeground();
-		boolean toolBarButton = isToolBarButton( c ) || isBorderlessButton( c );
+		boolean def = isDefaultButton( c );
+		boolean toolBarButton = !def && (isToolBarButton( c ) || isBorderlessButton( c ));
 
 		// selected state
 		if( ((AbstractButton)c).isSelected() ) {
@@ -759,7 +760,6 @@ public class FlatButtonUI
 				toolbarPressedForeground );
 		}
 
-		boolean def = isDefaultButton( c );
 		return buttonStateColor( c,
 			getForegroundBase( c, def ),
 			disabledText,

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

@@ -376,31 +376,68 @@ public class FlatFileChooserUI
 			if( icon != null )
 				return icon;
 
-			// get system icon
-			if( f != null ) {
-				try {
-					icon = getFileChooser().getFileSystemView().getSystemIcon( f );
-				} catch( NullPointerException ex ) {
-					// Java 21 may throw a NPE for exe files that use default Windows exe icon
-				}
+			// new proxy icon
+			//
+			// Note: Since this is a super light weight icon object, we do not add it
+			//       to the icon cache here. This keeps cache small in case of large directories
+			//       with thousands of files when icons of all files are only needed to compute
+			//       the layout of list/table, but never painted because located outside of visible area.
+			//       When an icon needs to be painted, the proxy adds it to the icon cache
+			//       and loads the real icon.
+			return new FlatFileViewIcon( f );
+		}
 
-				if( icon != null ) {
-					if( icon instanceof ImageIcon )
-						icon = new ScaledImageIcon( (ImageIcon) icon );
-					cacheIcon( f, icon );
-					return icon;
-				}
+		//---- class FlatFileViewIcon -----------------------------------------
+
+		/**
+		 * A proxy icon that has a fixed (scaled) width/height (16x16) and
+		 * gets/loads the real (system) icon only for painting.
+		 * Avoids unnecessary getting/loading system icons.
+		 */
+		private class FlatFileViewIcon
+			implements Icon
+		{
+			private final File f;
+			private Icon realIcon;
+
+			FlatFileViewIcon( File f ) {
+				this.f = f;
 			}
 
-			// get default icon
-			icon = super.getIcon( f );
-
-			if( icon instanceof ImageIcon ) {
-				icon = new ScaledImageIcon( (ImageIcon) icon );
-				cacheIcon( f, icon );
+			@Override
+			public int getIconWidth() {
+				return UIScale.scale( 16 );
 			}
 
-			return icon;
+			@Override
+			public int getIconHeight() {
+				return UIScale.scale( 16 );
+			}
+
+			@Override
+			public void paintIcon( Component c, Graphics g, int x, int y ) {
+				// get icon on demand
+				if( realIcon == null ) {
+					// get system icon
+					try {
+						if( f != null )
+							realIcon = getFileChooser().getFileSystemView().getSystemIcon( f );
+					} catch( NullPointerException ex ) {
+						// Java 21 may throw a NPE for exe files that use default Windows exe icon
+					}
+
+					// get default icon
+					if( realIcon == null )
+						realIcon = FlatFileView.super.getIcon( f );
+
+					if( realIcon instanceof ImageIcon )
+						realIcon = new ScaledImageIcon( (ImageIcon) realIcon );
+
+					cacheIcon( f, this );
+				}
+
+				realIcon.paintIcon( c, g, x, y );
+			}
 		}
 	}
 

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

@@ -90,10 +90,10 @@ class FlatNativeLibrary
 			classifier = SystemInfo.isAARCH64 ? "macos-arm64" : "macos-x86_64";
 			ext = "dylib";
 
-		} else if( SystemInfo.isLinux && SystemInfo.isX86_64 ) {
-			// Linux: requires x86_64
+		} else if( SystemInfo.isLinux && (SystemInfo.isX86_64 || SystemInfo.isAARCH64)) {
+			// Linux: requires x86_64 or aarch64
 
-			classifier = "linux-x86_64";
+			classifier = SystemInfo.isAARCH64 ? "linux-arm64" : "linux-x86_64";
 			ext = "so";
 
 			// Load libjawt.so (part of JRE) explicitly because it is not found

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

@@ -138,7 +138,7 @@ public class FlatPopupFactory
 
 		// create drop shadow popup
 		Popup popupForScreenOfOwner = getPopupForScreenOfOwner( owner, contents, x, y, forceHeavyWeight );
-		GraphicsConfiguration gc = owner.getGraphicsConfiguration();
+		GraphicsConfiguration gc = (owner != null) ? owner.getGraphicsConfiguration() : null;
 		return (gc != null && gc.isTranslucencyCapable())
 			? new DropShadowPopup( popupForScreenOfOwner, owner, contents )
 			: new NonFlashingPopup( popupForScreenOfOwner, owner, contents );
@@ -306,7 +306,7 @@ public class FlatPopupFactory
 				break;
 			}
 		}
-		if( gc == null )
+		if( gc == null && owner != null )
 			gc = owner.getGraphicsConfiguration();
 		if( gc == null )
 			return null;