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Add implementations of methods to generate constraints

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This commit is contained in:
Gregory John Casamento 2020-07-08 21:34:59 -04:00
parent d2f79dbec0
commit b352d55e55
2 changed files with 71 additions and 10 deletions
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4
Headers/AppKit/NSLayoutAnchor.h
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@ -37,6 +37,10 @@ extern "C" {
@interface NSLayoutAnchor : NSObject <NSCoding, NSCopying>
{
NSString *_name;
id _item;
BOOL _hasAmbiguousLayout;
NSArray *_constraintsAffectingLayout;
}
- (NSLayoutConstraint *) constraintEqualToAnchor: (NSLayoutAnchor *)anchor;

77
Source/NSLayoutAnchor.m
View file

@ -33,52 +33,109 @@
- (NSLayoutConstraint *) constraintEqualToAnchor: (NSLayoutAnchor *)anchor
{
return nil;
return [NSLayoutConstraint constraintWithItem: _item
attribute: NSLayoutAttributeLeft
relatedBy: NSLayoutRelationEqual
toItem: [anchor item]
attribute: NSLayoutAttributeLeft
multiplier: 1.0
constant: 0.0];
}
- (NSLayoutConstraint *) constraintGreaterThanOrEqualToAnchor: (NSLayoutAnchor *)anchor
{
return nil;
return [NSLayoutConstraint constraintWithItem: _item
attribute: NSLayoutAttributeLeft
relatedBy: NSLayoutRelationGreaterThanOrEqual
toItem: [anchor item]
attribute: NSLayoutAttributeLeft
multiplier: 1.0
constant: 0.0];
}
- (NSLayoutConstraint *) constraintLessThanOrEqualToAnchor: (NSLayoutAnchor *)anchor
{
return nil;
return [NSLayoutConstraint constraintWithItem: _item
attribute: NSLayoutAttributeLeft
relatedBy: NSLayoutRelationEqual
toItem: [anchor item]
attribute: NSLayoutAttributeLeft
multiplier: 1.0
constant: 0.0];
}
- (NSLayoutConstraint *) constraintEqualToAnchor: (NSLayoutAnchor *)anchor constant: (CGFloat)c
{
return nil;
return [NSLayoutConstraint constraintWithItem: _item
attribute: NSLayoutAttributeLeft
relatedBy: NSLayoutRelationLessThanOrEqual
toItem: [anchor item]
attribute: NSLayoutAttributeLeft
multiplier: 1.0
constant: 0.0];
}
- (NSLayoutConstraint *) constraintGreaterThanOrEqualToAnchor: (NSLayoutAnchor *)anchor constant: (CGFloat)c
{
return nil;
return [NSLayoutConstraint constraintWithItem: _item
attribute: NSLayoutAttributeLeft
relatedBy: NSLayoutRelationGreaterThanOrEqual
toItem: [anchor item]
attribute: NSLayoutAttributeLeft
multiplier: 1.0
constant: c];
}
- (NSLayoutConstraint *) constraintLessThanOrEqualToAnchor: (NSLayoutAnchor *)anchor constant: (CGFloat)c;
{
return nil;
return [NSLayoutConstraint constraintWithItem: _item
attribute: NSLayoutAttributeLeft
relatedBy: NSLayoutRelationLessThanOrEqual
toItem: [anchor item]
attribute: NSLayoutAttributeLeft
multiplier: 1.0
constant: c];
}
- (instancetype) init
{
self = [super init];
if (self != nil)
{
_name = nil;
_item = nil;
_hasAmbiguousLayout = NO;
_constraintsAffectingLayout = [[NSMutableArray alloc] init];
}
return self;
}
- (void) dealloc
{
RELEASE(_name);
RELEASE(_item);
RELEASE(_constraintsAffectingLayout);
[super dealloc];
}
- (NSString *) name
{
return nil;
return _name;
}
- (id) item
{
return nil;
return _item;
}
- (BOOL) hasAmbiguousLayout
{
return NO;
return _hasAmbiguousLayout;
}
- (NSArray *) constraintsAffectingLayout
{
return nil;
return _constraintsAffectingLayout;
}
- (id) initWithCoder: (NSCoder *)c