Add a SiliconFix workaround class.

Author: nedtwigg

durian-swt/src/main/java/com/diffplug/common/swt/SiliconFix.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2022 DiffPlug
+ *
+ * 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.diffplug.common.swt;
+
+
+import com.diffplug.common.swt.os.Arch;
+import com.diffplug.common.swt.os.OS;
+import org.eclipse.swt.widgets.List;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.Tree;
+
+/**
+ * Call these methods whenever a `Table`, `Tree`, or `List` is instantiated and it will do nothing,
+ * excpet on Mac Apple Silicon where it will call `setFont(null)` as a workaround for
+ * https://bugs.eclipse.org/bugs/show_bug.cgi?id=575696
+ */
+public class SiliconFix {
+	private static final boolean APPLY_FIX = OS.getRunning().isMac() && Arch.getRunning() == Arch.arm64;
+
+	public static void fix(Table table) {
+		if (APPLY_FIX) {
+			table.setFont(null);
+		}
+	}
+
+	public static void fix(Tree tree) {
+		if (APPLY_FIX) {
+			tree.setFont(null);
+		}
+	}
+
+	public static void fix(List list) {
+		if (APPLY_FIX) {
+			list.setFont(null);
+		}
+	}
+}