I have a fairly deep NSView hierarchy which fails to satisfy its vertical
constraints.
The embedded views are generally just embedded within their containers.
To me it seems that the constraints should be viable.
However this is not the case and I have to reduce a bottom constraint from a
priority of 1000 to 999.
The layout looks identical both before and after the priority is lowered.
Are there situations in complex hierarchies where errors accumulate while
solving the constraints and a lower priority constraint simply becomes a
practical necessity?
2013-12-17 15:14:39.040 BrightPay[20716:303] Unable to simultaneously satisfy
constraints:
(
"<NSAutoresizingMaskLayoutConstraint:0x600000289330 h=--& v=--&
V:[NSView:0x608000131c60(10)]>",
"<NSLayoutConstraint:0x6080002909f0 V:|-(0)-[NSView:0x6080001320c0]
(Names: '|':NSView:0x608000131c60 )>",
"<NSLayoutConstraint:0x608000290a40 V:[NSView:0x6080001320c0]-(0)-|
(Names: '|':NSView:0x608000131c60 )>",
"<NSLayoutConstraint:0x608000290d60 V:|-(0)-[NSSplitView:0x608000131f80]
(Names: '|':NSView:0x6080001320c0 )>",
"<NSLayoutConstraint:0x608000290db0 V:[NSSplitView:0x608000131f80]-(0)-|
(Names: '|':NSView:0x6080001320c0 )>",
"<NSLayoutConstraint:0x608000292840 V:[NSView:0x6080001323e0]-(0)-|
(Names: '|':NSView:0x608000132340 )>",
"<NSLayoutConstraint:0x608000293650
V:[BPTabBarControl:0x100b94590]-(0)-[NSView:0x6080001323e0]>",
"<NSLayoutConstraint:0x6080002935b0 V:|-(20)-[BPTabBarControl:0x100b94590]
(Names: '|':NSView:0x608000132340 )>",
"<NSLayoutConstraint:0x600000288f20 V:|-(0)-[NSView:0x608000132020]
(Names: '|':NSSplitView:0x608000131f80 )>",
"<NSLayoutConstraint:0x600000288f70 V:[NSView:0x608000132020]-(0)-|
(Names: '|':NSSplitView:0x608000131f80 )>",
"<NSLayoutConstraint:0x608000292430 V:|-(0)-[NSView:0x608000132340]
(Names: '|':BPDialogView:0x60800018b2c0 )>",
"<NSLayoutConstraint:0x6080002924d0 V:[NSView:0x608000132340]-(0)-|
(Names: '|':BPDialogView:0x60800018b2c0 )>",
"<NSLayoutConstraint:0x608000291f30 V:|-(0)-[BPDialogView:0x60800018b2c0]
(Names: '|':NSView:0x608000132200 )>",
"<NSLayoutConstraint:0x608000291e40 V:[NSView:0x6080001322a0]-(0)-|
(Names: '|':NSView:0x608000132200 )>",
"<NSLayoutConstraint:0x608000292020
V:[BPDialogView:0x60800018b2c0]-(0)-[NSView:0x6080001322a0]>",
"<NSLayoutConstraint:0x6080002916c0 V:|-(0)-[NSView:0x608000132200]
(Names: '|':NSView:0x608000132020 )>",
"<NSLayoutConstraint:0x608000291710 V:[NSView:0x608000132200]-(0)-|
(Names: '|':NSView:0x608000132020 )>"
)
Will attempt to recover by breaking constraint
<NSLayoutConstraint:0x608000293650
V:[BPTabBarControl:0x100b94590]-(0)-[NSView:0x6080001323e0]>
Regards
Jonathan Mitchell
Mugginsoft LLP
[email protected]
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