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Fix crash when opening and closing Indirect Data Reduction multiple times #37410
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Fix crash when opening and closing Indirect Data Reduction multiple times #37410
robertapplin
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robertapplin:37409-fix-crash-from-output-options-ads-observer
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May 23, 2024
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Co-authored-by: Gui Maciel Pereira <80104863+GuiMacielPereira@users.noreply.github.com>
Co-authored-by: Gui Maciel Pereira <80104863+GuiMacielPereira@users.noreply.github.com>
This is a known issue, but low priority for the SANS group right now. RE mantidproject#35085
Improve the grammar. RE mantidproject#37373
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Indirect/Inelastic
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ISIS Team: Spectroscopy
Issue and pull requests managed by the Spectroscopy subteam at ISIS
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Description of work
This PR fixes a crash when you open Indirect Data Reduction, close it, and then open it again. The presenter for the ISIS Energy Transfer tab was not being destructed because the presenter was being held as a raw pointer. This meant that the when a working changes in the ADS, the OutputOptions held by the presenter were trying to update the widget in the previously deleted interface. The solution was to use a unique_ptr to hold the presenters for the Data Reduction interface.
This PR does two additional things:
OutputOptionsPresenter
uses the ADSObserver class rather than implementing Poco observers itself. This is clearer to read, and ensures the same presenter does not subscribe to a poco observer more than once (this can cause issues as seen previously in Fix crash due to subscribing observer twice to notification center #37074To test:
This does not require release notes because I believe this was introduced recently when IETPresenter was made to be qt-independent
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