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Not detecting mouse release after alt-tab on windows #4418

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nickd-airo opened this issue Apr 26, 2024 · 0 comments · Fixed by #4419
Closed

Not detecting mouse release after alt-tab on windows #4418

nickd-airo opened this issue Apr 26, 2024 · 0 comments · Fixed by #4419
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bug Something is broken

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@nickd-airo
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Environment

App: egui_demo_app (+ other egui-based apps)
OS: Windows 11
Git: 0bc59f5

Describe the bug

  1. Open the 'input test' demo.
  2. Click and hold Sense::drag
  3. Move cursor off egui window
  4. Alt-tab to a different window
  5. Release mouse
  6. Alt-tab back to egui window
  7. Move cursor around
  8. Mouse is erroneously considered pressed, even though it was released
  9. Click mouse on egui window to fix state

Expected

Mouse should be detected as released once it is released. Other native windows apps seem to do this correctly, e.g. ms paint.
@nickd-airo nickd-airo added the bug Something is broken label Apr 26, 2024
@rustbasic rustbasic mentioned this issue Apr 26, 2024
Merged
emilk pushed a commit that referenced this issue May 11, 2024
@rustbasic
Treat Event::PointerGone as PointerEvent::Released (#4419)
66d2b3f 
* Closes #4406
* Closes #4418 

If `Event::PointerGone` occurs, it is treated as
`PointerEvent::Released`.
@emilk emilk mentioned this issue May 21, 2024
Merged
emilk added a commit that referenced this issue May 22, 2024
@emilk
Fix: still track mouse when dragging outside web canvas (#4522)
c8578c9 
* Closes #3157

If the mouse leaves the canvas when dragging a slider, the slider will
still move.

---

To support this, I had to revert #4419
Despite that, I fail to reproduce the two issues it claimed to solve:

* #4406 may have been solved in
another way by this PR
* #4418 I cannot reproduce on Mac.
If it is still a problem, I think it should be solved by triggering a
`PointerEvent::Released` when focus is lost (i.e. on alt-tab), and not
on `PointerGone`
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Treat Event::PointerGone as PointerEvent::Released rustbasic/egui
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@nickd-airo