errael commented on code in PR #4739:
URL: https://github.com/apache/netbeans/pull/4739#discussion_r997502680
##########
platform/openide.util.ui/src/org/openide/util/Utilities.java:
##########
@@ -1325,6 +1325,32 @@ private static Rectangle
findCenterBounds(GraphicsConfiguration gconf, Dimension
);
}
+ /**
+ * This is for use in situations where a standard swing API,
+ * such as {@linkplain JOptionPane.show*} or {@linkplain
JFileChooser.show*},
+ * is used to display a dialog. {@code null} should never be used
+ * as a dialog's parent because it
+ * frequently does the wrong thing in a multi-screen setup.
+ * <p>
+ * The use of the NetBeans API
+ * {@linkplain DialogDisplayer.getDefault.*}
+ * is encouraged to display a dialog, but stuff happens.
+ * @return A suitable parent component for swing dialog displayers.
+ * @since 9.26
+ */
+ // PR4739
+ public static Component findDialogParent() {
+ Component parent =
KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
+ if (parent == null) {
+ parent =
KeyboardFocusManager.getCurrentKeyboardFocusManager().getActiveWindow();
+ }
+ if (parent == null) {
+ Frame[] f = Frame.getFrames();
+ parent = f.length == 0 ? null : f[f.length - 1];
Review Comment:
So I'll wait for further comment. I've got a change ready that find the main
window (without a dependency).
I **will not push it**, unless/until there's a consensus.
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