https://bugs.documentfoundation.org/show_bug.cgi?id=147083
Bug ID: 147083
Summary: Exception in NVDA screen reader when only a single
cell is selected
Product: LibreOffice
Version: 7.4.0.0 alpha0+ Master
Hardware: All
OS: Windows (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: UI
Assignee: [email protected]
Reporter: [email protected]
originally reported against NVDA here:
https://github.com/nvaccess/nvda/issues/13276
Quoting from there:
> ### Steps to reproduce:
>
> 1) start NVDA from current git master
> 2) start LibreOffice Calc (version 7.3 or later; issue not reproducible with
> older versions because the relevant code path that triggers the issue is not
> taken)
> 3) press Shift+Right to select cells A1 and B1
> 4) press Shift+Left to leave only cell A1 selected
>
> ### Actual behavior:
>
> An error occurs, NVDA "beeps".
>
> Traceback from the NVDA log:
>
> ```
> NVDA initialized
> ERROR - eventHandler.executeEvent (15:50:59.902) - MainThread (6012):
> error executing event: selectionRemove on
> <NVDAObjects.Dynamic_SymphonyIATableCellEditableTextWithAutoSelectDetectionIAccessible
> object at 0x0E0AB4F0> with extra args of {}
> Traceback (most recent call last):
> File "eventHandler.py", line 284, in executeEvent
> _EventExecuter(eventName,obj,kwargs)
> File "eventHandler.py", line 98, in __init__
> self.next()
> File "eventHandler.py", line 107, in next
> return func(*args, **self.kwargs)
> File "appModules\soffice.py", line 196, in event_selectionRemove
> self.event_selectionAdd()
> File "appModules\soffice.py", line 193, in event_selectionAdd
> curFocus.announceSelectionChange()
> File "appModules\soffice.py", line 204, in announceSelectionChange
> reason=controlTypes.OutputReason.CHANGE
> File "speech\speech.py", line 402, in speakObjectProperties
> **allowedProperties,
> File "speech\speech.py", line 453, in getObjectPropertiesSpeech
> newPropertyValues[name]=getattr(obj,tryName)
> File "baseObject.py", line 42, in __get__
> return instance._getPropertyViaCache(self.fget)
> File "baseObject.py", line 146, in _getPropertyViaCache
> val=getterMethod(self)
> File "appModules\soffice.py", line 174, in _get_states
> if self.hasSelection:
> File "baseObject.py", line 42, in __get__
> return instance._getPropertyViaCache(self.fget)
> File "baseObject.py", line 146, in _getPropertyViaCache
> val=getterMethod(self)
> File "appModules\soffice.py", line 164, in _get_hasSelection
> and 1 < self.selectionContainer.getSelectedItemsCount()
> File "NVDAObjects\IAccessible\__init__.py", line 1342, in
> getSelectedItemsCount
> return self._getSelectedItemsCount_accSelection(maxCount)
> File "NVDAObjects\IAccessible\__init__.py", line 1318, in
> _getSelectedItemsCount_accSelection
> enumObj=sel.QueryInterface(IEnumVARIANT)
> AttributeError: 'int' object has no attribute 'QueryInterface'
> ```
>
> ### Expected behavior:
>
> Corrdinates of cell A1 should be announced after step 4.
>
> ### System configuration
> #### NVDA installed/portable/running from source:
>
> running from source
>
> #### NVDA version:
>
> self-compiled from git master as of commit
> 7735d96259d02eb8cc8d84f13a870ecfec0635b9
>
> #### Windows version:
>
> Windows 10 Version 21H2 (OS Build 19044.1466)
>
> #### Name and version of other software in use when reproducing the issue:
>
> LibreOffice (version >= 7.3, in my case current development version
> self-compiled from git master as of commit
> 86a9c860410351125708543c1050bfc0977d3b97)
>
> #### Other information about your system:
>
> ### Other questions
> #### Does the issue still occur after restarting your computer?
>
> n/a
>
> #### Have you tried any other versions of NVDA? If so, please report their
> behaviors.
>
> no
>
> #### If NVDA add-ons are disabled, is your problem still occurring?
>
> n/a
>
> #### Does the issue still occur after you run the COM Registration Fixing
> Tool in NVDA's tools menu?
>
> n/a
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