apache / apache/netbeans

Double-clicking on entries in the Projects window does not work with Magic Mouse

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#8,609 11 comments 0 reactions 0 assignees View on GitHub
JDK bug kind:bug os:macos UI
Dominant language
Java
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Description

### Apache NetBeans version

Apache NetBeans 26

### What happened

I am fully aware of how crazy this sounds but I know what I'm seeing.

I am using an (Apple silicon) Mac with a Magic Mouse.

Most, but not all, of the time if I double click on a folder in the Projects window it does not work. Right clicking and selecting Open works fine.

Using the built in trackpad works fine (!).

I have noticed that if I double click near the top edge of the project "row" (maybe right on the top of its bounding box?) I can occasionally get the double-click to register.

Double-clicking with the Magic Mouse works sporadically in other areas as well, but not all of them. For example, double-clicking on any entry in the Breakpoints window works fine. The Files window appears to suffer from the same sort of thing. Trying to set a breakpoint in the left "gutter" doesn't always work.

See https://github.com/apache/netbeans/discussions/8580.

### Language / Project Type / NetBeans Component

Any

### How to reproduce

Open the Projects window.
Try double clicking on a folder icon, or its row, to expand the entry.
Observe that nothing happens.
Try again many times, with the mouse pointer right near the top edge of the row.
Observe that eventually? maybe? the row will expand.
Note that none of this happens with the built-in trackpad.

### Did this work correctly in an earlier version?

No / Don't know

### Operating System

Sequoia 15.5

### JDK

24.0.1; OpenJDK 64-Bit Server VM 24.0.1+9

### Apache NetBeans packaging

Apache NetBeans provided installer

### Anything else

_No response_

### Are you willing to submit a pull request?

No

Contributor guide

Open the contributing guide

Research direction

Start by reproducing the issue in the Projects and Files windows on macOS Sequoia with a Magic Mouse, then compare the same actions with the built-in trackpad. Use discussion 8580 and the reported window behavior to narrow the affected UI area; done means double-clicking rows and setting gutter breakpoints respond reliably.

Written by the indexing model from the issue text.

Assessment

Tech stack
java, macos
Domain
desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
38/100

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