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use reflection for mac-specific code

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Anton Keks 2020-03-14 22:32:30 +02:00
parent 7a7a734c17
commit 1a0b2e38f6
1 changed files with 3 additions and 2 deletions
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src/net/azib/ipscan/gui/GUI.java
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@ -9,7 +9,6 @@ import net.azib.ipscan.util.GoogleAnalytics;
import org.eclipse.swt.SWT;
import org.eclipse.swt.SWTError;
import org.eclipse.swt.SWTException;
import org.eclipse.swt.internal.cocoa.OS;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;
@ -68,7 +67,9 @@ public class GUI implements AutoCloseable {
private void setMacDarkAppearanceIfNeeded() {
try {
// changing the appearance works only after the shell has been created
OS.setTheme(OS.isSystemDarkAppearance());
Class os = Class.forName("org.eclipse.swt.internal.cocoa.OS");
Boolean isDarkMode = (Boolean) os.getMethod("isSystemDarkAppearance").invoke(null);
os.getMethod("setTheme").invoke(null, isDarkMode);
// workaround for a bug in SWT: colors need to be reinited after changing the appearance
Method initColor = display.getClass().getDeclaredMethod("initColors");
initColor.setAccessible(true);