[MacPorts] #58280: Black screen on GTK2 +quartz ports

[MacPorts]

#58280: Black screen on GTK2 +quartz ports
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  Reporter:  slavad  |      Owner:  (none)
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  gtk2    |
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Description changed by slavad:

Old description:

> Main window for some GTK2 +quartz apps is black. See the screenshots for
> Inkscape and Dia
>
> Originally these apps were installed as +x11 variants, I reinstalled all
> deps in the +quartz variant and then installed these apps in the +quartz
> variant. Maybe I missed some library?
>
> macOS 10.14.4

New description:

 Main window for some GTK2 +quartz apps is black. See the screenshots for
 Inkscape and Dia. Black screen also sometimes starts flickering with no
 reason or when window is resized.

 Originally these apps were installed as +x11 variants, I reinstalled all
 deps in the +quartz variant and then installed these apps in the +quartz
 variant. Maybe I missed some library?

 macOS 10.14.4

 On macOS 10.13 all was ok. It appeared only after I migrated ports to
 10.14

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Ticket URL: <https://trac.macports.org/ticket/58280#comment:2>
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