Enable buffered selection by default except on macOS.

org.eclipse.swtchart.extensions/src/org/eclipse/swtchart/extensions/preferences/PreferenceConstants.java

@@ -16,16 +16,8 @@ public class PreferenceConstants {
 
 	public static final int MIN_MOVE_LEGEND = 1;
 	public static final int MAX_MOVE_LEGEND = 100;
-	/*
-	 * The buffered selection creates a screenshot and sets it in the background
-	 * while doing the data selection. This prevents to redraw the series while
-	 * doing the selection event. Known limitations:
-	 * ---
-	 * macOS - https://github.com/eclipse/swtchart/issues/150
-	 * GTK3 - https://github.com/eclipse/swtchart/issues/166
-	 */
+	//
 	public static final String P_BUFFER_SELECTION = "bufferSelection";
-	public static final boolean DEF_BUFFER_SELECTION = false;
 	public static final String P_KEEP_SERIES_DESCRIPTION = "keepSeriesDescription";
 	public static final boolean DEF_KEEP_SERIES_DESCRIPTION = false;
 	//

org.eclipse.swtchart.extensions/src/org/eclipse/swtchart/extensions/preferences/PreferenceInitializer.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2020, 2023 Lablicate GmbH.
+ * Copyright (c) 2020, 2024 Lablicate GmbH.
  *
  * This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License 2.0
@@ -15,6 +15,7 @@
 import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer;
 import org.eclipse.jface.preference.IPreferenceStore;
 import org.eclipse.swtchart.extensions.core.ResourceSupport;
+import org.eclipse.swtchart.extensions.internal.support.OS;
 
 public class PreferenceInitializer extends AbstractPreferenceInitializer {
 
@@ -23,7 +24,7 @@ public void initializeDefaultPreferences() {
 
 		IPreferenceStore preferenceStore = ResourceSupport.getPreferenceStore();
 		if(preferenceStore != null) {
-			preferenceStore.setDefault(PreferenceConstants.P_BUFFER_SELECTION, PreferenceConstants.DEF_BUFFER_SELECTION);
+			preferenceStore.setDefault(PreferenceConstants.P_BUFFER_SELECTION, getDefaultBufferedSelection());
 			preferenceStore.setDefault(PreferenceConstants.P_KEEP_SERIES_DESCRIPTION, PreferenceConstants.DEF_KEEP_SERIES_DESCRIPTION);
 			preferenceStore.setDefault(PreferenceConstants.P_MOVE_LEGEND_X, PreferenceConstants.DEF_MOVE_LEGEND_X);
 			preferenceStore.setDefault(PreferenceConstants.P_MOVE_LEGEND_Y, PreferenceConstants.DEF_MOVE_LEGEND_Y);
@@ -42,4 +43,16 @@ public void initializeDefaultPreferences() {
 			preferenceStore.setDefault(PreferenceConstants.P_HELP_POPUP_TIME_TO_CLOSE, PreferenceConstants.DEF_HELP_POPUP_TIME_TO_CLOSE);
 		}
 	}
+
+	/*
+	 * The buffered selection creates a screenshot and sets it in the background
+	 * while doing the data selection. This prevents to redraw the series while
+	 * doing the selection event. Known limitations:
+	 * ---
+	 * macOS - https://github.com/eclipse/swtchart/issues/150
+	 */
+	private boolean getDefaultBufferedSelection() {
+
+		return OS.isWindows() || OS.isUnix();
+	}
 }