NetNewsWire/Shared/Extensions/NSView-Extensions.swift
Stuart Breckenridge 8dc6e4e332
Contraint Changes
Fixes #2850
• #2634: resizing vertically downards (expanding) is smooth
2021-03-07 14:21:30 +08:00

31 lines
1.9 KiB
Swift

//
// NSView-Extensions.swift
// NetNewsWire
//
// Created by Brent Simmons on 2/13/19.
// Copyright © 2019 Ranchero Software. All rights reserved.
//
import AppKit
extension NSView {
func constraintsToMakeSubViewFullSize(_ subview: NSView) -> [NSLayoutConstraint] {
if #available(macOS 11, *) {
let leadingConstraint = NSLayoutConstraint(item: subview, attribute: .leading, relatedBy: .equal, toItem: self.safeAreaLayoutGuide, attribute: .leading, multiplier: 1.0, constant: 0.0)
let trailingConstraint = NSLayoutConstraint(item: subview, attribute: .trailing, relatedBy: .equal, toItem: self.safeAreaLayoutGuide, attribute: .trailing, multiplier: 1.0, constant: 0.0)
let topConstraint = NSLayoutConstraint(item: subview, attribute: .top, relatedBy: .equal, toItem: self.safeAreaLayoutGuide, attribute: .top, multiplier: 1.0, constant: 0.0)
let bottomConstraint = NSLayoutConstraint(item: subview, attribute: .bottom, relatedBy: .equal, toItem: self.safeAreaLayoutGuide, attribute: .bottom, multiplier: 1.0, constant: 0.0)
return [leadingConstraint, trailingConstraint, topConstraint, bottomConstraint]
} else {
let leadingConstraint = NSLayoutConstraint(item: subview, attribute: .leading, relatedBy: .equal, toItem: self, attribute: .leading, multiplier: 1.0, constant: 0.0)
let trailingConstraint = NSLayoutConstraint(item: subview, attribute: .trailing, relatedBy: .equal, toItem: self, attribute: .trailing, multiplier: 1.0, constant: 0.0)
let topConstraint = NSLayoutConstraint(item: subview, attribute: .top, relatedBy: .equal, toItem: self, attribute: .top, multiplier: 1.0, constant: 0.0)
let bottomConstraint = NSLayoutConstraint(item: subview, attribute: .bottom, relatedBy: .equal, toItem: self, attribute: .bottom, multiplier: 1.0, constant: 0.0)
return [leadingConstraint, trailingConstraint, topConstraint, bottomConstraint]
}
}
}