Emilian Bold created NETBEANS-1813:
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Summary: Overlapping BaseProgressUtils progress dialogs globally
corrupt the main window glass pane
Key: NETBEANS-1813
URL: https://issues.apache.org/jira/browse/NETBEANS-1813
Project: NetBeans
Issue Type: Bug
Reporter: Emilian Bold
BaseProgressUtils.showProgressDialogAndRun shows a modal progress dialog and
puts a translucent grey fog over the main window.
It's possible with two overlapping progress dialogs to forever corrupt the main
window glass pane. This glass pane is also used to show node tooltips (then the
text is too long to fit).
See the attached TriggerBugAction which reproduces the issue on NetBeans 8.2
and Apache NetBeans 10.
The explanation is simple. Each progress dialog will:
1. save the existing glass pane
2. set the grey glass pane
3. restore the glass pane to the saved one when the task has finished.
If you have dialog 1 and dialog 2 the 2nd dialog will save the glass pane as
set by dialog 1. But, if dialog 2 finishes last, it will forever set the glass
pane to the grey glass pane.
I've also attached a video showing how the node tooltip toggles the grey glass
pane instead.
This glass pane switch logic is in
platform/progress.ui/src/org/netbeans/modules/progress/ui/AbstractWindowRunner.java
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