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CocoaImpl // Fix NSView.makeSimpleConstraint().

This commit is contained in:
ShikiSuen 2024-02-13 16:42:32 +08:00
parent 2ce79e5a05
commit 820ee5b0f6
2 changed files with 52 additions and 5 deletions
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53
Packages/vChewing_CocoaExtension/Sources/CocoaExtension/CocoaExtension_NSView.swift
View File

@ -62,14 +62,59 @@ public extension NSEdgeInsets {
public extension NSView {
@discardableResult func makeSimpleConstraint(
_ attribute: NSLayoutConstraint.Attribute,
relation: NSLayoutConstraint.Relation,
relation givenRelation: NSLayoutConstraint.Relation,
value: CGFloat?
) -> NSView {
guard let value = value else { return self }
translatesAutoresizingMaskIntoConstraints = false
guard let givenValue = value, givenValue >= 0 else { return self }
var handled = false
constraints.forEach { constraint in
guard constraint.firstAttribute == attribute else { return }
switch (constraint.relation, givenRelation) {
case (.lessThanOrEqual, .lessThanOrEqual):
constraint.constant = Swift.min(givenValue, constraint.constant)
handled = true
case (.lessThanOrEqual, .equal):
constraint.constant = Swift.max(givenValue, constraint.constant)
handled = true
case (.lessThanOrEqual, .greaterThanOrEqual):
switch givenValue {
case constraint.constant, ..<constraint.constant: // Smaller & Equal
handled = false
default: // Bigger
removeConstraint(constraint)
handled = false
}
case (.equal, .lessThanOrEqual):
constraint.constant = Swift.min(givenValue, constraint.constant)
handled = true
case (.equal, .equal):
constraint.constant = Swift.min(givenValue, constraint.constant) // 往往都是外圍容器最後賦值，所以取最小值。
handled = true
case (.equal, .greaterThanOrEqual):
constraint.constant = Swift.max(givenValue, constraint.constant)
handled = true
case (.greaterThanOrEqual, .lessThanOrEqual):
switch givenValue {
case ..<constraint.constant: // Smaller
removeConstraint(constraint)
handled = false
default: // Bigger & Equal
handled = false
}
case (.greaterThanOrEqual, .equal):
constraint.constant = Swift.max(givenValue, constraint.constant)
handled = true
case (.greaterThanOrEqual, .greaterThanOrEqual):
constraint.constant = Swift.max(givenValue, constraint.constant)
handled = true
default: break
}
}
guard !handled else { return self }
let widthConstraint = NSLayoutConstraint(
item: self, attribute: attribute, relatedBy: relation, toItem: nil,
attribute: NSLayoutConstraint.Attribute.notAnAttribute, multiplier: 1, constant: value
item: self, attribute: attribute, relatedBy: givenRelation, toItem: nil,
attribute: NSLayoutConstraint.Attribute.notAnAttribute, multiplier: 1, constant: givenValue
)
addConstraint(widthConstraint)
return self

4
Packages/vChewing_Shared/Sources/Shared/UserDef/UserDefRenderableCocoa.swift
View File

@ -131,7 +131,9 @@ public extension UserDefRenderableCocoa {
control
}
if let fixedWidth = fixedWidth {
textLabel?.preferredMaxLayoutWidth = fixedWidth - controlWidth
let specifiedWidth = fixedWidth - controlWidth - NSFont.systemFontSize
textLabel?.preferredMaxLayoutWidth = specifiedWidth
textLabel?.makeSimpleConstraint(.width, relation: .lessThanOrEqual, value: specifiedWidth)
}
textLabel?.sizeToFit()
return result