<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif">Great -- thanks John & Andy!</div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Wed, 12 Mar 2025 at 15:06, Andy Goryachev <<a href="mailto:andy.goryachev@oracle.com">andy.goryachev@oracle.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg8782928669780403768">
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<p class="MsoNormal"><span style="font-size:11pt;font-family:"Iosevka Fixed SS16"">Thank you for reporting the issue!<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Iosevka Fixed SS16"">I’ve created
<a href="https://bugs.openjdk.org/browse/JDK-8351867" target="_blank">https://bugs.openjdk.org/browse/JDK-8351867</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Iosevka Fixed SS16""><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Iosevka Fixed SS16"">-andy<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Iosevka Fixed SS16""><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Iosevka Fixed SS16""><u></u> <u></u></span></p>
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<p class="MsoNormal" style="margin-bottom:12pt"><b><span style="font-size:12pt;color:black">From:
</span></b><span style="font-size:12pt;color:black">openjfx-dev <<a href="mailto:openjfx-dev-retn@openjdk.org" target="_blank">openjfx-dev-retn@openjdk.org</a>> on behalf of Cormac Redmond <<a href="mailto:credmond@certak.com" target="_blank">credmond@certak.com</a>><br>
<b>Date: </b>Tuesday, March 11, 2025 at 18:36<br>
<b>To: </b><a href="mailto:openjfx-dev@openjdk.org" target="_blank">openjfx-dev@openjdk.org</a> <<a href="mailto:openjfx-dev@openjdk.org" target="_blank">openjfx-dev@openjdk.org</a>><br>
<b>Subject: </b>Re: Probably bug: UI changes made while minimized, not reflected upon restore/maximize<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">That meant to say: the act of simply maximising the window ***doesn't*** seem to trigger a redraw.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt">On Wed, 12 Mar 2025 at 00:19, Cormac Redmond <<a href="mailto:credmond@certak.com" target="_blank">credmond@certak.com</a>> wrote:<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">Hi all,<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">A user reported this on reddit:
<a href="https://www.reddit.com/r/JavaFX/comments/1j8ibpf/platformrunlater_not_updating_the_content_when/" target="_blank">
https://www.reddit.com/r/JavaFX/comments/1j8ibpf/platformrunlater_not_updating_the_content_when/</a><u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">I do feel this is a bug so I'm raising it here. Windows 11, JFX 23.0.2.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">A quick summary is: if you change a Label while your app is minimized, for example, the change does not get reflected when restored/maximised, unless _something
else_ triggers a redraw, such as a window resize, or a hover over a button, etc. <u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">The act of simply maximising the window does seem to trigger a redraw. I think it should.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">Here are two fairly self-explanatory Java classes to demonstrate the problem (adapted from the reddit post).<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">Steps: <u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">- Run MinimizeBugApp, observe label<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">- Run Client, hit enter and observe label change as expected<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">- Minimize app, and hit enter on Client one or more times (all triggering label changes)<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">- Restore app, note Label incorrectly still *displays* the same value as before the minimize, despite update(s)<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">- Re-size window to force a redraw, observe correct label value appears<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">public class MinimizeBugApp extends Application {<br>
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public void start(Stage stage) {<br>
Label label = new Label("This should be modified when the signal is received");<br>
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StackPane stackPane = new StackPane();<br>
stackPane.getChildren().add(label);<br>
Scene scene = new Scene(stackPane, 500, 500);<br>
stage.setScene(scene);<br>
stage.show();<br>
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new Thread(() -> {<br>
this.startServer(label);<br>
}).start();<br>
}<br>
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void startServer(final Label label) {<br>
try (ServerSocket serverSocket = new ServerSocket(1590)) {<br>
while (true) {<br>
System.out.println("Waiting for connection...");<br>
serverSocket.accept();<br>
Platform.runLater(() -> {<br>
System.out.println("Setting signal is received...");<br>
label.setText("The signal is received " + new Date());<br>
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// This will print the correct text, always -- but the texted isn't what is reflected if<br>
// it's minimized and then maximized<br>
System.out.println("Label text should be: " + label.getText());<br>
});<br>
}<br>
} catch (Exception e) {<br>
e.printStackTrace();<br>
}<br>
}<br>
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public static void main(String[] args) {<br>
launch();<br>
}<br>
}<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">// Simple test to trigger something in a JavaFX app via a socket<br>
public class Client {<br>
public static void main(String[] args) {<br>
Scanner scanner = new Scanner(System.in);<br>
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while (true) {<br>
try {<br>
System.out.print("Hit enter to create connection");<br>
scanner.nextLine();<br>
new Socket("localhost", 1590);<br>
System.out.println("Created connection");<br>
} catch (IOException e) {<br>
e.printStackTrace();<br>
}<br>
}<br>
}<br>
}<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">Any thoughts? Is this by design for some reason, or a bug?<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt"><br clear="all">
<u></u><u></u></span></p>
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<p class="MsoNormal"><span class="m_-8462975565616899449gmaildefault"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">Kind </span></span><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">Regards,</span><span style="font-size:12pt"><u></u><u></u></span></p>
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<p class="MsoNormal"><b><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">Cormac Redmond</span></b><span style="font-size:12pt"><u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Verdana,sans-serif;color:black">Software Engineer, Certak Ltd.</span><span style="font-size:12pt"><u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:Verdana,sans-serif">e: <a href="mailto:credmond@certak.com" target="_blank">
credmond@certak.com</a> | m: +353 (0) 86 268 2152 | w: <a href="http://www.certak.com" target="_blank">
www.certak.com</a></span><span style="font-size:12pt"><u></u><u></u></span></p>
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