[MacPorts] #57577: qt4-mac : set the graphicssystem via qtconfig

MacPorts noreply at macports.org
Wed Nov 14 20:03:49 UTC 2018


#57577: qt4-mac : set the graphicssystem via qtconfig
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  Reporter:  RJVB         |      Owner:  michaelld
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  haspatch
      Port:  qt4-mac      |
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Comment (by RJVB):

 When using raster? That's strange, because that's the same raster mode as
 they used before these changes, but I guess it's for the same reason why
 we no longer see graphics glitches in raster mode.

 I can reproduce this on 10.9 and the crash is deep inside Qt's
 CoreGraphics code, interestingly also in qtconfig itself when I select the
 styles in question.

 What are the other styles where this happens for you, CDE, "MS Windows 9x"
 and Motif?

 I call Qt4 bug, worked around by using Native graphics if you really want
 to use one of these styles.

 If I were to forward a wild guess I'd say that our previous way of setting
 raster mode, just a bit later, kept native mode on for a bit longer which
 allowed something crucial to be initialised.

 We may need to document this, though.

-- 
Ticket URL: <https://trac.macports.org/ticket/57577#comment:19>
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