> On 16 Oct 2017, at 11:41, Jean-Marc Lasgouttes <lasgout...@lyx.org> wrote: > > Le 13/10/2017 à 11:00, Patrick De Visschere a écrit : >> But I see your point; >> When I remove the line setting WA_OpaquePaintEvent the problem remains but >> (most of) the view turns white instead of black; >> When I set WA_NoSystemBackground instead the problem remains the same. >> When I insert viewport()->update(0,0,500,500) then everything outside this >> square remains untouched but the problem persists within that square. > > Did you try setting both WA_OpaquePaintEvent and WA_NoSystemBackground?
It doesn’t make a difference. > > Does it make a difference to set them on GuiWorkarea too (additionally to the > viewport)? No. I didn’t try all combinations but adding WA_OpaquePaintEvent and then also WA_NoSystemBackground does not make a difference. pdv > > JMarc
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