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There is on very rare occasions a case where a panic occurred #4178

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rustbasic opened this issue Mar 16, 2024 · 1 comment · Fixed by #4868
Closed

There is on very rare occasions a case where a panic occurred #4178

rustbasic opened this issue Mar 16, 2024 · 1 comment · Fixed by #4868
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@rustbasic
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There is on very rare occasions a case where a panic occurred at line 2,132 of context.rs when a Viewport exit.
( On screens with different pixels_per_point. )
@rustbasic rustbasic added the bug Something is broken label Mar 16, 2024
This was referenced Mar 16, 2024
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@rustbasic rustbasic changed the title There is on very rare occasions a case where a panic occurred when a Viewport exit. There is on very rare occasions a case where a panic occurred Mar 20, 2024
@emilk
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emilk commented Mar 29, 2024

Please run with RUST_BACKTRACE=1 so we get a stack trace to the error.

Also, naming just the line number isn't very useful when the code is changing every week

@rustbasic rustbasic mentioned this issue Mar 31, 2024
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@rustbasic rustbasic mentioned this issue Jul 23, 2024
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emilk added a commit that referenced this issue Sep 17, 2024
@rustbasic @emilk
Fix: panic when dragging window between monitors of different pixels_…
1474c17 
…per_point (#4868)

Fix: panic when dragging window between monitors of different
pixels_per_point

This will continue to help us as we develop `egui`.
I hope you agree with my defense of `panic`.

* Relate #3959
* Relate #4088

* Closes #4178
* Closes #4179


There is also a way to add log if necessary.
```
                log::debug!("Anti-panic behavior occurs");
```

---------

Co-authored-by: Emil Ernerfeldt <[email protected]>
hacknus pushed a commit to hacknus/egui that referenced this issue Oct 30, 2024
@rustbasic @emilk @hacknus
Fix: panic when dragging window between monitors of different pixels_…
fcd4429 
…per_point (emilk#4868)

Fix: panic when dragging window between monitors of different
pixels_per_point

This will continue to help us as we develop `egui`.
I hope you agree with my defense of `panic`.

* Relate emilk#3959
* Relate emilk#4088

* Closes emilk#4178
* Closes emilk#4179


There is also a way to add log if necessary.
```
                log::debug!("Anti-panic behavior occurs");
```

---------

Co-authored-by: Emil Ernerfeldt <[email protected]>
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@emilk @rustbasic