On 13.12.2018 17:28, Murphy, Sean wrote:
I had an application that compiled just fine yesterday using Qt 5.9.6
and Qt Creator 4.7.x (sorry, can't remember the last digit, it might
have been 2?). Today I made two changes before my next compilation
attempt: I upgraded to Qt Creator 4.8.0 (revision d51ddbb8f0), and I
edited my mainwindow.ui file in Qt Creator 4.8.0's form editor. Now
when I attempt to compile I get multiple compile errors all of which
are in the ui_mainwindow.h file, and all are: 'PlaceholderText' is
not a member of 'QPalette'
[...]
I'm mostly tossing this here in case someone stumbles across the same
issue, but if anyone has any thoughts on how to avoid this from
happening in the first place, I'd appreciate it.
I just had the same issue happen yesterday, which I reported as
QTCREATORBUG-21698. The solution suggested by Friedemann is to use the
Designer that came bundled with your Qt version, not the one integrated
in Creator.
I don't agree with the assessment (I think the IDE should _never_ create
invalid code for the selected toolchain), but at least it's a workaround.
Thus, I have disabled the Widget Designer plugin in Creator, and am
using the stand-alone Designer instead.
Hope that helps.
Regards,
Julius
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