[MacPorts] #51052: gtk3 @3.20.2 +quartz build error on Mac OS X 10.7

[MacPorts]

#51052: gtk3 @3.20.2 +quartz build error on Mac OS X 10.7
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  Reporter:  martijn@…  |      Owner:  devans@…
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:
      Port:  gtk3       |
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Comment (by friedrich.beckmann@…):

 Replying to [comment:8 mojca@…]:
 > I submitted a trivial patch to
 https://bugzilla.gnome.org/show_bug.cgi?id=760276 that ignores
 `NSEventPhaseMayBegin` (it could in principle also watch for '`0x1 << 5`')
 and lets GTK+ build on 10.7. What I don't know yet is how to test whether
 it behaves properly in different scenarios.

 Hi,
 thanks for putting me on cc and researching this topic. When I submitted
 the patch here: https://bugzilla.gnome.org/show_bug.cgi?id=760276 I only
 tested this on El Capitan (10.10). I do not have a test possibility for
 10.7. However, to test the patch you can run:

 gtk3-demo --run gestures

 If gestures work, then you can zoom and rotate a square. I do this on a
 macbook via the trackpad.

 The proposed patch looks good to me as the NSEventPhaseMayBegin event
 would anyway only cancel the process. During my tests I have not seen this
 Event.

 Any feedback from testing this on 10.7 10.8 10.9 with the mentioned
 gtk3-demo is appreciated.

 Friedrich

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Ticket URL: <https://trac.macports.org/ticket/51052#comment:9>
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