I know I'm doing something stupid, but I can't figure it out.
I'm trying to used a placeholder (e.g. List Widget) in QtCreator 4.4.1 for a custom class QCustomPlot. The header and .cpp files for QCustomPlot exist
s1.JPG
When I click add, the promoted class name shows in the upper window, but there is no "Promote" button to push:
s2.JPG
I've tried different things for the place holder, and have tried checking "global include", but the promote button never appears.
Any help?
Added after 18 minutes:
Found a work-around--
I copy pasted the custom widget from a QtCreator session for another project.
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