Axel Howind created PDFBOX-5734:
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Summary: PDFBox debugger: UI unusable when started from
PDFBox-app.jar
Key: PDFBOX-5734
URL: https://issues.apache.org/jira/browse/PDFBOX-5734
Project: PDFBox
Issue Type: Improvement
Affects Versions: 4.0.0
Reporter: Axel Howind
On MacOS the PDFBox Dubber app works correctly when starting the app from the
debugger-app.jar using `java -jar debugger-app.jar`, but when it is started
using `java -jar pdfbox-app.jar debug`, the menu bar does not show and the UI
is unresponsive.
This is caused by the following line in PDFBox.java:
System.setProperty("apple.awt.UIElement", "true");
I found the following information regarding that property:
{quote}Setting System.setProperty("apple.awt.UIElement", "true") makes the AWT
widgets in your Java application behave as 'UI Elements', suppressing the dock
icon and menu bar. However, once set, this cannot be reversed within the same
running instance of JVM.
{quote}
This issue is more or less a dupliate of PDFBOX-3507, just that that one is
about the PDFDebugger app. I propose to take the same approach and simply
delete above line from the code. This would have the effect, that the dock icon
might show on macOS when the application is run (even when the debugger is not
started).
If this is not desired, we could use something like this as a workaround:
{code:java}
// suppress the Dock icon on OS X unless "debug" is present on commandline
boolean isDebug = Arrays.stream(args).map(s ->
s.toLowerCase(Locale.ROOT)).anyMatch(s -> s.equals("debug"));
System.setProperty("apple.awt.UIElement", String.valueOf(!isDebug));
{code}
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