8255880: UI of Swing components is not redrawn after their internal state changed

[alitvinv]

Hello colleagues,

Could you please review the fix for the bug specific to Linux OS and Solaris OS, which consists in the fact that, if Swing components are changed through standard public API of these components, while the frame containing these components is in "Frame.ICONIFIED" state or in other words minimized, then, when the frame becomes deiconified the UI of the Swing components does not reflect those changes.

ROOT CAUSE OF THE BUG:
"javax.swing.RepaintManager.addDirtyRegion0(Container, int, int, int, int)" by design prevents updating regions of containers, when the containers are inside a frame with "Frame.ICONIFIED" state. And at the same time Linux OS specific JDK code does not initiate repaint of the frame, when the frame's peer is notified about change of state from "Frame.ICONIFIED" to other state. More details are available in the bug record.

THE FIX:
The fix adds code to the method "sun.awt.X11.XFramePeer.handlePropertyNotify(XEvent)" which calls "repaint()" for instance of "XFramePeer", if its state changed from "Frame.ICONIFIED". The fix repeats the approach already existing in macOS specific code, which is in the method "sun.lwawt.LWWindowPeer.notifyIconify(boolean)".

Thank you,
Anton

---

Progress

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Issue

• JDK-8255880: UI of Swing components is not redrawn after their internal state changed

Reviewers

• Phil Race (@prrace - Reviewer)
• Sergey Bylokhov (@mrserb - Reviewer)

Download

$ git fetch https://git.openjdk.java.net/jdk pull/1722/head:pull/1722
$ git checkout pull/1722

[bridgekeeper]

👋 Welcome back alitvinov! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@alitvinv The following labels will be automatically applied to this pull request:

• awt
• swing

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[mlbridge]

Webrevs

• 01: Full - Incremental (72ebe5c)
• 00: Full (c0b5d20)

[prrace]

The fix looks reasonable although I am surprised such an issue has existed for what I suppose is a long time.
One nit about the test regarding the requires.
It can't require solaris because there is no solaris support in JDK 16.
So unless you think this test will fail on other platforms (I hope not) it may be best to just remove this line.

[openjdk]

@alitvinv This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8255880: UI of Swing components is not redrawn after their internal state changed

Reviewed-by: prr, serb

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At the time when this comment was updated there had been 211 new commits pushed to the master branch:

• c30fff7: 8257229: gtest death tests fail with unrecognized stderr output
• e118292: 8258040: Reenable fixed problemlisted test
• 74b79c6: 8257964: Broken Calendar#getMinimalDaysInFirstWeek with java.locale.providers=HOST
• f9c9bf0: 8255583: Investigate creating a test to trigger the condition in KeepAliveStreamCleaner
• 8273514: 8166026: Refactor java/lang shell tests to java
• ff75ad5: 8258059: Clean up MethodData::profile_unsafe
• b5592c0: 8257970: Remove julong types in os::limit_heap_by_allocatable_memory
• b28b094: 8257145: Performance regression with -XX:-ResizePLAB after JDK-8079555
• fa20186: 8257676: Simplify WeakProcessorPhase
• b90b7f5: 8196090: javax/swing/JComboBox/6559152/bug6559152.java fails
• ... and 201 more: https://git.openjdk.java.net/jdk/compare/56b15fbbcc7c04252f2712d859ff7b820b7c79ad...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[alitvinv]

Hello Phil. Thank you for review and already approval of the 2nd version of the fix, which has just been pushed in this branch. In the second commit I removed completely "@requires" tag from the regression test by your request. I verified that this test passes on Windows OS, macOS, Linux OS.

[alitvinv]

/integrate

[openjdk]

@alitvinv Since your change was applied there have been 214 commits pushed to the master branch:

• 1548104: 8255477: Remove unused method URL.set(String protocol, String host, int port, String file, String ref)
• e69ae07: 8257985: count_trailing_zeros doesn't handle 64-bit values on 32-bit JVM
• 2ee795d: 8196092: javax/swing/JComboBox/8032878/bug8032878.java fails
• c30fff7: 8257229: gtest death tests fail with unrecognized stderr output
• e118292: 8258040: Reenable fixed problemlisted test
• 74b79c6: 8257964: Broken Calendar#getMinimalDaysInFirstWeek with java.locale.providers=HOST
• f9c9bf0: 8255583: Investigate creating a test to trigger the condition in KeepAliveStreamCleaner
• 8273514: 8166026: Refactor java/lang shell tests to java
• ff75ad5: 8258059: Clean up MethodData::profile_unsafe
• b5592c0: 8257970: Remove julong types in os::limit_heap_by_allocatable_memory
• ... and 204 more: https://git.openjdk.java.net/jdk/compare/56b15fbbcc7c04252f2712d859ff7b820b7c79ad...master

Your commit was automatically rebased without conflicts.

Pushed as commit e8c40ba.

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