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Even more refinements.

This commit is contained in:
Pietro Gagliardi 2016-05-12 17:23:35 -04:00
parent 257c182f2b
commit 19006c46c6
1 changed files with 7 additions and 6 deletions
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13
darwin/autolayout.m
View File

@ -106,9 +106,8 @@ void singleChildConstraintsSetMargined(struct singleChildConstraints *c, int mar
[c->bottomConstraint setConstant:margin];
}
// from https://developer.apple.com/library/mac/documentation/UserExperience/Conceptual/AutolayoutPG/WorkingwithScrollViews.html#//apple_ref/doc/uid/TP40010853-CH24-SW1
// note: if the xcode-specific label is set to Content View, the view actually becomes the *document* view
// TODO are these instructions wrong? if we have the bottom we can't scroll vertically, and if we have spacing we can't scroll regardless
// from http://blog.bjhomer.com/2014/08/nsscrollview-and-autolayout.html because (as pointed out there) Apple's official guide is really only for iOS
// TODO this doesn't quite work with NSTextView; it *mostly* works
void scrollViewConstraintsEstablish(struct scrollViewConstraints *c, NSScrollView *sv, NSString *desc)
{
NSView *cv, *dv;
@ -119,7 +118,7 @@ void scrollViewConstraintsEstablish(struct scrollViewConstraints *c, NSScrollVie
c->documentLeading = mkConstraint(dv, NSLayoutAttributeLeading,
NSLayoutRelationEqual,
sv, NSLayoutAttributeLeading,
cv, NSLayoutAttributeLeading,
1, 0,
[desc stringByAppendingString:@"document leading constraint"]);
[sv addConstraint:c->documentLeading];
@ -127,7 +126,7 @@ void scrollViewConstraintsEstablish(struct scrollViewConstraints *c, NSScrollVie
c->documentTop = mkConstraint(dv, NSLayoutAttributeTop,
NSLayoutRelationEqual,
sv, NSLayoutAttributeTop,
cv, NSLayoutAttributeTop,
1, 0,
[desc stringByAppendingString:@"document top constraint"]);
[sv addConstraint:c->documentTop];
@ -135,12 +134,13 @@ void scrollViewConstraintsEstablish(struct scrollViewConstraints *c, NSScrollVie
c->documentTrailing = mkConstraint(dv, NSLayoutAttributeTrailing,
NSLayoutRelationEqual,
sv, NSLayoutAttributeTrailing,
cv, NSLayoutAttributeTrailing,
1, 0,
[desc stringByAppendingString:@"document trailing constraint"]);
[sv addConstraint:c->documentTrailing];
[c->documentTrailing retain];
#if 0
c->documentBottom = mkConstraint(dv, NSLayoutAttributeBottom,
NSLayoutRelationEqual,
sv, NSLayoutAttributeBottom,
@ -148,6 +148,7 @@ void scrollViewConstraintsEstablish(struct scrollViewConstraints *c, NSScrollVie
[desc stringByAppendingString:@"document bottom constraint"]);
[sv addConstraint:c->documentBottom];
[c->documentBottom retain];
#endif
}
void scrollViewConstraintsRemove(struct scrollViewConstraints *c, NSScrollView *sv)