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macos: support resizing splits

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This commit is contained in:
Gregory Anders
2023-11-05 19:52:30 -06:00
parent 0a2d435481
commit 9b14398153
11 changed files with 270 additions and 3 deletions
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34
macos/Sources/Ghostty/Ghostty.TerminalSplit.swift
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@@ -33,7 +33,7 @@ extension Ghostty {
.focusedValue(\.ghosttySurfaceZoomed, zoomedSurface != nil)
}
}
/// The root of a split tree. This sets up the initial SplitNode state and renders. There is only ever
/// one of these in a split tree.
private struct TerminalSplitRoot: View {
@@ -153,11 +153,13 @@ extension Ghostty {
let pub = center.publisher(for: Notification.ghosttyNewSplit, object: leaf.surface)
let pubClose = center.publisher(for: Notification.ghosttyCloseSurface, object: leaf.surface)
let pubFocus = center.publisher(for: Notification.ghosttyFocusSplit, object: leaf.surface)
let pubResize = center.publisher(for: Notification.didResizeSplit, object: leaf.surface)
InspectableSurface(surfaceView: leaf.surface, isSplit: !neighbors.isEmpty())
.onReceive(pub) { onNewSplit(notification: $0) }
.onReceive(pubClose) { onClose(notification: $0) }
.onReceive(pubFocus) { onMoveFocus(notification: $0) }
.onReceive(pubResize) { onResize(notification: $0) }
}
private func onClose(notification: SwiftUI.Notification) {
@@ -243,6 +245,20 @@ extension Ghostty {
to: next.preferredFocus(direction)
)
}
/// Handle a resize event.
private func onResize(notification: SwiftUI.Notification) {
// If this leaf is not part of a split then there is nothing to do
guard let parent = leaf.parent else { return }
guard let directionAny = notification.userInfo?[Ghostty.Notification.ResizeSplitDirectionKey] else { return }
guard let direction = directionAny as? Ghostty.SplitResizeDirection else { return }
guard let amountAny = notification.userInfo?[Ghostty.Notification.ResizeSplitAmountKey] else { return }
guard let amount = amountAny as? UInt16 else { return }
parent.resize(direction: direction, amount: amount)
}
}
/// This represents a split view that is in the horizontal or vertical split state.
@@ -251,6 +267,15 @@ extension Ghostty {
@Binding var node: SplitNode?
@StateObject var container: SplitNode.Container
@EnvironmentObject private var ghostty: Ghostty.AppState
/// The cell size of the currently focused view. We use this to
/// (optionally) set the resizeIncrements binding for the SplitView
@FocusedValue(\.ghosttySurfaceCellSize) private var focusedCellSize
/// Resize increments used by the split view
@State private var resizeIncrements: NSSize = .init(width: 1.0, height: 1.0)
var body: some View {
SplitView(container.direction, left: {
let neighborKey: WritableKeyPath<SplitNode.Neighbors, SplitNode?> = container.direction == .horizontal ? \.right : \.bottom
@@ -273,6 +298,13 @@ extension Ghostty {
])
)
})
.onChange(of: focusedCellSize) { newValue in
guard let increments = newValue else { return }
guard ghostty.windowStepResize else { return }
self.resizeIncrements = increments
}
.resizeIncrements(resizeIncrements)
.resizePublisher(container.resizeEvent)
}
private func closeableTopLeft() -> Binding<SplitNode?> {