[Development] QML engine C++ class renaming
andre at familiesomers.nl
Wed Feb 15 11:44:12 CET 2012
Op 2/15/2012 11:21 AM, Mark schreef:
> On Wed, Feb 15, 2012 at 11:17 AM, Robin Burchell
> <robin+qt at viroteck.net <mailto:robin%2Bqt at viroteck.net>> wrote:
> 2012/2/15 Mark <markg85 at gmail.com <mailto:markg85 at gmail.com>>:
> > Why would you still support QML 1? Qt5 is going to have QML 2
> which should
> > be superior to QML 1 in about every single way so why not just
> drop it for
> > Qt5?
> Because one of the central points of Qt 5 is maintaining compatibility
> with Qt 4 as far as is possible. That means not breaking existing code
> (of which there is quite a lot).
> I understand, but isn't QML 2 itself backwards compatible with QML 1?
> All the dev has to do is change the import line and everything should
> still work right?
No, not if you used anything beyond the standard components. If you
subclassed QDeclarativeItem yourself, you'd be screwed.
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