@4, this is not necessarily correct for QT. QT will align your widgets properly, whereas WX, I do not believe, does this. QT is quite accessible, with a few minor problems that are not QT's fault, but the fault of NVDA:
* Multi-line edit boxes do not function properly
* NVDA does not treat edit boxes as normal edit boxes, so going to the start or end of an edit box does not behave properly (this is due to the NVDA not following the system carrot, I think)
* Tree views and list boxes will read, but only once; tabbing away and then back to them will not let you know they are there, however interacting with them is still possible
* Combo boxes do not read when they are adjusted without expanding them.
This is, again, NVDA's fault, not QT's. QT has made massive leaps in accessibility.
"On two occasions I have been asked [by members of Parliament!]: 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out ?' I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question." — Charles Babbage.