Adding a style patch for Mac OS X. #113

gradle.properties

@@ -1,12 +1,12 @@
 # Universal AppleCommander version number.  Used for:
 # - Naming JAR file.  
 # - The build will insert this into a file that is read at run time as well.
-version=1.9.0-SNAPSHOT
+version=1.9.0
 
 # Dependency versions
 shkVersion=1.2.2
 asVersion=1.2.2
-btVersion=0.3.1
+btVersion=0.4.0
 swtVersion=3.123.0
 piSwtVersion=3.8.2
 junitVersion=4.13.1
@@ -16,4 +16,4 @@ commonsCsvVersion=1.8
 gsonVersion=2.8.9
 picocliVersion=4.6.2
 springBoot=2.6.1
-acdasmVersion=0.4.0
+acdasmVersion=0.5.0

lib/ac-swt-common/src/main/java/com/webcodepro/applecommander/ui/swt/wizard/Wizard.java

@@ -21,6 +21,7 @@ package com.webcodepro.applecommander.ui.swt.wizard;
 
 import java.util.Stack;
 
+import com.webcodepro.applecommander.util.Host;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
@@ -68,7 +69,11 @@ public abstract class Wizard {
 	 * Create the dialog.
 	 */
 	private void createDialog() {
-		dialog = new Shell(parent, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
+		int styles = SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL;
+		if (Host.isMacosx()) {
+			styles |= SWT.SHEET;
+		}
+		dialog = new Shell(parent, styles);
 		dialog.setText(title);
 		RowLayout layout = new RowLayout(SWT.VERTICAL);
 		layout.justify = true;
@@ -85,7 +90,7 @@ public abstract class Wizard {
 		rowData.height = logo.getImageData().height;
 		imageCanvas = new ImageCanvas(dialog, SWT.BORDER, logo, rowData);
 
-		// Starting pane
+		// Content pane
 		rowData = new RowData();
 		rowData.width = logo.getImageData().width;
 		contentPane = new Composite(dialog, SWT.BORDER);