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macos: SplitView dragging

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This commit is contained in:
Mitchell Hashimoto
2023-03-07 16:34:38 -08:00
parent d00794de8e
commit 06d770fefa
2 changed files with 23 additions and 3 deletions
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2
macos/Sources/GhosttyApp.swift
View File

@ -21,7 +21,7 @@ struct GhosttyApp: App {
case .error:
ErrorView()
case .ready:
SplitView(.horizontal, left: {
SplitView(.vertical, left: {
Color.green
}, right: {
Color.red

24
macos/Sources/SplitView/SplitView.swift
View File

@ -5,7 +5,7 @@ struct SplitView<L: View, R: View>: View {
let left: L
let right: R
private let splitterVisibleSize: CGFloat = 5
private let splitterVisibleSize: CGFloat = 2
private let splitterInvisibleSize: CGFloat = 5
@State var split: CGFloat = 0.5
@ -25,10 +25,28 @@ struct SplitView<L: View, R: View>: View {
.offset(x: rightRect.origin.x, y: rightRect.origin.y)
Splitter(direction: direction, visibleSize: splitterVisibleSize, invisibleSize: splitterInvisibleSize)
.position(splitterPoint)
.gesture(dragGesture(geo.size, splitterPoint: splitterPoint))
}
}
}
func dragGesture(_ size: CGSize, splitterPoint: CGPoint) -> some Gesture {
return DragGesture()
.onChanged { gesture in
let minSize: CGFloat = 10
switch (direction) {
case .horizontal:
let new = min(max(minSize, gesture.location.x), size.width - minSize)
split = new / size.width
case .vertical:
let new = min(max(minSize, gesture.location.y), size.height - minSize)
split = new / size.height
}
}
}
func leftRect(for size: CGSize) -> CGRect {
// Initially the rect is the full size
var result = CGRect(x: 0, y: 0, width: size.width, height: size.height)
@ -57,7 +75,9 @@ struct SplitView<L: View, R: View>: View {
result.size.width -= result.origin.x
case .vertical:
assert(false)
result.origin.y += leftRect.size.height
result.origin.y += splitterVisibleSize / 2
result.size.height -= result.origin.y
}
return result