JDK-8263389 IGV: Zooming changes the point that is currently centered

[jtfuller111]

Fixing the zoom issue on IGV. I tested this on Windows and Linux and zooming now works as expected.

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Progress

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Issue

• JDK-8263389: IGV: Zooming changes the point that is currently centered

Reviewers

• Richard Reingruber (@reinrich - Reviewer)
• Nils Eliasson (@neliasso - Reviewer)

Reviewing

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$ git checkout pull/4291

Update a local copy of the PR:
$ git checkout pull/4291
$ git pull https://git.openjdk.java.net/jdk pull/4291/head

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Checkout this PR locally:
$ git pr checkout 4291

View PR using the GUI difftool:
$ git pr show -t 4291

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https://git.openjdk.java.net/jdk/pull/4291.diff

[bridgekeeper]

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[jtfuller111]

/covered

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[openjdk]

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[mlbridge]

Webrevs

• 01: Full - Incremental (fcfb23d8)
• 00: Full (2bab7337)

[jtfuller111]

Hello, could anyone kindly take a look at this?

[reinrich]

Hi @jtfuller111,

I've tested the fix and found that it eliminates the random moves of the view port when zooming. Thumbs up for that. It still changes the point that is centered though. You might want to fix that also if possible.

Thanks, Richard.

[jtfuller111]

Hi @jtfuller111,

I've tested the fix and found that it eliminates the random moves of the view port when zooming. Thumbs up for that. It still changes the point that is centered though. You might want to fix that also if possible.

Thanks, Richard.

Hello! I pushed a change to also keeps the current center point centered when zooming.

[reinrich]

The fix looks good to me.

Thanks, Richard.

[openjdk]

@jtfuller111 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:

8263389: IGV: Zooming changes the point that is currently centered

Reviewed-by: rrich, neliasso

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 438 new commits pushed to the master branch:

• 1ac8dee: 8269615: Fix for 8263640 broke Windows build
• 7ca753b: 8269268: JDWP: Properly fix thread lookup assert in findThread()
• 7a23c9c: 8260540: serviceability/jdwp/AllModulesCommandTest.java failed with "Debuggee error: 'ERROR: transport error 202: bind failed: Address already in use'"
• c1e2a29: 8263640: hs_err improvement: handle class path longer than O_BUFLEN
• bb42d75: 8269417: Minor clarification on NonblockingQueue utility
• e238cbd: 8269530: runtime/ParallelLoad/ParallelSuperTest.java timeout
• 3f2c372: 8269126: Rename G1AllowPreventiveGC option to G1UsePreventiveGC
• a977157: 8261579: AArch64: Support for weaker memory ordering in Atomic
• ee1e202: 8268821: Split systemDictionaryShared.cpp
• 03d54e6: Merge
• ... and 428 more: https://git.openjdk.java.net/jdk/compare/ccfcd926674ee0bd88f34b16b489abe008169b11...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.

As you do not have Committer status in this project an existing Committer must agree to sponsor your change. Possible candidates are the reviewers of this PR (@reinrich, @neliasso) but any other Committer may sponsor as well.

➡️ To flag this PR as ready for integration with the above commit message, type /integrate in a new comment. (Afterwards, your sponsor types /sponsor in a new comment to perform the integration).

[jtfuller111]

/integrate

[openjdk]

@jtfuller111
Your change (at version fcfb23d) is now ready to be sponsored by a Committer.

[reinrich]

Hi @jtfuller111,
I'd offer to sponsor your fix. We should wait for a 2nd review though.
Thanks, Richard.

[neliasso]

Looks good.

[TobiHartmann]

/sponsor

[openjdk]

Going to push as commit 164eff8.
Since your change was applied there have been 515 commits pushed to the master branch:

• 371d996: 8269700: source level for IntelliJ JDK project is set incorrectly
• 8a7b380: 8269124: Update java.time to use switch expressions (part II)
• 675a952: 8269821: Remove is-queue-active check in inner loop of write_ref_array_pre_work
• 4da52ea: 8269004: Implement ResizableResourceHashtable
• 390d102: 8269652: Factor out the common code for creating system j.l.Thread objects
• 17f53f2: Merge
• 1c18f91: 8269768: JFR Terminology Refresh
• 6f0e8e7: 8269775: compiler/codegen/ClearArrayTest.java failed with "assert(false) failed: bad AD file"
• c4ea13e: 8269543: The warning for System::setSecurityManager should only appear once for each caller
• 2db9005: 8262017: C2: assert(n != __null) failed: Bad immediate dominator info.
• ... and 505 more: https://git.openjdk.java.net/jdk/compare/ccfcd926674ee0bd88f34b16b489abe008169b11...master

Your commit was automatically rebased without conflicts.

[openjdk]

@TobiHartmann @jtfuller111 Pushed as commit 164eff8.

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