8386888: Enhance IntelliJ Idea support for OpenJFX development

[tsayao]

• Fixes systemTests dependency issues when importing the project from Gradle.
• Adds IntelliJ IDEA native code (C/C++) support.

IntelliJ IDEA 2026.1 includes native C/C++ development support. This PR adds the required configuration to improve the development experience for native sources.

Plugins required for native support:

• Native Build Tools
• CLion C and C++
• Compilation Database

To generate compile_commands.json use ./gradlew generateCompileCommands

To debug native code, run the application and press CTRL + ALT + 5 to attach the native debugger.

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Error

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Issue

• JDK-8386888: Enhance IntelliJ Idea support for OpenJFX development (Enhancement - P5)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jfx.git pull/2192/head:pull/2192
$ git checkout pull/2192

Update a local copy of the PR:
$ git checkout pull/2192
$ git pull https://git.openjdk.org/jfx.git pull/2192/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 2192

View PR using the GUI difftool:
$ git pr show -t 2192

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jfx/pull/2192.diff

[bridgekeeper]

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[openjdk]

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[Maran23]

I will review when it's out of draft.

From a first look, removing misc.xml is the right thing. Not just that it is outdated, IntelliJ will correctly auto-generate it out of the gradle config.

[Maran23]

Another file that is always changed locally for me is encodings.xml.

it looks like this for me:

<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
  <component name="Encoding" native2AsciiForPropertiesFiles="true" defaultCharsetForPropertiesFiles="UTF-8">
    <file url="PROJECT" charset="UTF-8" />
  </component>
</project>

I think we probably can also remvove it from Version Control as it will always regenerate with UTF-8 settings.

[tsayao]

Native Objective-C/C++ support is not working on macOS. The project generates compile_commands.json correctly, but IntelliJ IDEA does not detect or use it.