Provide fallback anti-aliasing for DEs the JRE doesn't recognize (#466)

1 files changed, 17 insertions, 1 deletions

diff --git a/enigma-swing/src/main/java/cuchaz/enigma/gui/Main.java b/enigma-swing/src/main/java/cuchaz/enigma/gui/Main.java
index 56f4385..213a5fe 100644
--- a/enigma-swing/src/main/java/cuchaz/enigma/gui/Main.java
+++ b/enigma-swing/src/main/java/cuchaz/enigma/gui/Main.java
@@ -11,6 +11,7 @@
 
 package cuchaz.enigma.gui;
 
+import java.awt.Toolkit;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -102,7 +103,18 @@ public class Main {
                         EnigmaProfile parsedProfile = EnigmaProfile.read(options.valueOf(profile));
 
                         I18n.setLanguage(UiConfig.getLanguage());
-                        System.setProperty("apple.laf.useScreenMenuBar", "true");
+
+                        // Provide fallback anti-aliasing for desktop environments the JRE doesn't recognize
+                        if (Toolkit.getDefaultToolkit().getDesktopProperty("awt.font.desktophints") == null) {
+                                setDefaultSystemProperty("awt.useSystemAAFontSettings", "lcd");
+                        }
+
+                        // Not setting "swing.aatext" here because that property has been removed:
+                        // https://bugs.openjdk.org/browse/JDK-6391267
+
+                        // If on MacOS, use the system's menu bar, not the in-app one
+                        setDefaultSystemProperty("apple.laf.useScreenMenuBar", "true");
+
                         Themes.setupTheme();
 
                         Gui gui = new Gui(parsedProfile, editables);
@@ -147,6 +159,10 @@ public class Main {
                 }
         }
 
+        private static void setDefaultSystemProperty(String property, String value) {
+                System.setProperty(property, System.getProperty(property, value));
+        }
+
         public static class PathConverter implements ValueConverter<Path> {
                 public static final ValueConverter<Path> INSTANCE = new PathConverter();