jonmsterling.com
A collection of user interface components and drawing routines for building tasteful apps using AppKit.
appkit
swift
aqua
ui
mac
Bringing in some of the infrastructure for AquaWebViewController
+112
-5
+7
Sources/AquaKit/General Purpose/Geometry/NSSize+Plus.swift
+7
Sources/AquaKit/General Purpose/Geometry/NSSize+Plus.swift
+40
Sources/AquaKit/General Purpose/Geometry/Orientation.swift
+40
Sources/AquaKit/General Purpose/Geometry/Orientation.swift
···
1
+
import AppKit
2
+
3
+
public enum Orientation {
4
+
case vertical
5
+
case horizontal
6
+
}
7
+
8
+
extension NSSize {
9
+
public subscript(orientation: Orientation) -> CGFloat {
10
+
get {
11
+
switch orientation {
12
+
case .vertical: height
13
+
case .horizontal: width
14
+
}
15
+
}
16
+
set {
17
+
switch orientation {
18
+
case .vertical: height = newValue
19
+
case .horizontal: width = newValue
20
+
}
21
+
}
22
+
}
23
+
}
24
+
25
+
extension NSPoint {
26
+
public subscript(orientation: Orientation) -> CGFloat {
27
+
get {
28
+
switch orientation {
29
+
case .vertical: y
30
+
case .horizontal: x
31
+
}
32
+
}
33
+
set {
34
+
switch orientation {
35
+
case .vertical: y = newValue
36
+
case .horizontal: x = newValue
37
+
}
38
+
}
39
+
}
40
+
}
+64
Sources/AquaKit/Scroll Views/AquaScrollState.swift
+64
Sources/AquaKit/Scroll Views/AquaScrollState.swift
···
1
+
import Foundation
2
+
import AppKit
3
+
4
+
public struct AquaScrollState {
5
+
public var scrollPosition: NSPoint
6
+
public var contentSize: NSSize
7
+
public var visibleSize: NSSize
8
+
9
+
public init(scrollPosition: NSPoint, contentSize: NSSize, visibleSize: NSSize) {
10
+
self.scrollPosition = scrollPosition
11
+
self.contentSize = contentSize
12
+
self.visibleSize = visibleSize
13
+
}
14
+
15
+
public var maxOffset: NSSize {
16
+
NSSize(
17
+
width: max(contentSize.width - visibleSize.width, 0),
18
+
height: max(contentSize.height - visibleSize.height, 0)
19
+
)
20
+
}
21
+
22
+
public var verticalOverscroll: CGFloat {
23
+
absoluteExcess(of: scrollPosition.y, in: 0..<maxOffset.height)
24
+
}
25
+
26
+
public func absoluteExcess(of position: CGFloat, in range: Range<CGFloat>) -> CGFloat {
27
+
if position < range.lowerBound {
28
+
range.lowerBound - position
29
+
} else if position > range.upperBound {
30
+
position - range.upperBound
31
+
} else {
32
+
0
33
+
}
34
+
}
35
+
36
+
public func absoluteExcess(of point: NSPoint, in size: NSSize) -> NSSize {
37
+
NSSize(
38
+
width: absoluteExcess(of: point.x, in: 0..<size.width),
39
+
height: absoluteExcess(of: point.y, in: 0..<size.height)
40
+
)
41
+
}
42
+
43
+
public var effectiveContentSize: NSSize {
44
+
contentSize + absoluteExcess(of: scrollPosition, in: maxOffset)
45
+
}
46
+
}
47
+
48
+
49
+
extension NSScroller {
50
+
public func adopt(state: AquaScrollState, orientation: Orientation) {
51
+
let maxOffset = state.maxOffset
52
+
let effectiveContentSize = state.effectiveContentSize
53
+
knobProportion = min(max(state.visibleSize[orientation] / effectiveContentSize[orientation], 0.0), 1.0)
54
+
doubleValue = maxOffset[orientation] > 0 ? min(max(state.scrollPosition[orientation] / maxOffset[orientation], 0.0), 1.0) : 0.0
55
+
isEnabled = maxOffset[orientation] > 0
56
+
isHidden = maxOffset[orientation] <= 0
57
+
}
58
+
}
59
+
60
+
extension AquaScroller {
61
+
public func adopt(state: AquaScrollState) {
62
+
adopt(state: state, orientation: orientation)
63
+
}
64
+
}
+1
-5
Sources/AquaKit/Scroll Views/AquaScroller.swift
+1
-5
Sources/AquaKit/Scroll Views/AquaScroller.swift
···
2
2
import AquaKit
3
3
4
4
public class AquaScroller: NSScroller {
5
-
public enum Orientation {
6
-
case vertical, horizontal
7
-
}
8
-
9
5
public let orientation: Orientation
10
6
11
7
public override var floatValue: Float {
···
269
265
}
270
266
}
271
267
272
-
extension AquaScroller.Orientation {
268
+
fileprivate extension Orientation {
273
269
/// The affine transform that maps between screen space and canonical (vertical)
274
270
/// coordinate space. For vertical this is the identity; for horizontal it swaps
275
271
/// the x and y axes. This transform is its own inverse.