We are developing a QML desktop application. At one point we show a dialog 
which on macOS slides down from the top of the main window area. When this 
happens the main window area becomes all white, i.e., nothing is rendered. The 
actual dialog box is fine. When the dialog box is dismissed the main window 
generally goes back to a properly rendered window but sometimes I need to 
resize the main window to trigger the refresh. Has anyone else come across 
this? 


We are using the Qt 5.15.2 prebuilt binaries on macOS 10.15.

 

--

Mike Jackson

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