854 lines
34 KiB
Swift
854 lines
34 KiB
Swift
import AppKit
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import ObjectiveC
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#if DEBUG
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import Bonsplit
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#endif
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private var cmuxWindowTerminalPortalKey: UInt8 = 0
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private var cmuxWindowTerminalPortalCloseObserverKey: UInt8 = 0
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#if DEBUG
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private func portalDebugToken(_ view: NSView?) -> String {
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guard let view else { return "nil" }
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let ptr = Unmanaged.passUnretained(view).toOpaque()
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return String(describing: ptr)
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}
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private func portalDebugFrame(_ rect: NSRect) -> String {
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String(format: "%.1f,%.1f %.1fx%.1f", rect.origin.x, rect.origin.y, rect.size.width, rect.size.height)
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}
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#endif
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final class WindowTerminalHostView: NSView {
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override var isOpaque: Bool { false }
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#if DEBUG
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private var lastDragRouteSignature: String?
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#endif
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override func hitTest(_ point: NSPoint) -> NSView? {
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if shouldPassThroughToSplitDivider(at: point) {
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return nil
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}
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let dragPasteboardTypes = NSPasteboard(name: .drag).types
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let eventType = NSApp.currentEvent?.type
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let shouldPassThrough = DragOverlayRoutingPolicy.shouldPassThroughPortalHitTesting(
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pasteboardTypes: dragPasteboardTypes,
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eventType: eventType
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)
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if shouldPassThrough {
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#if DEBUG
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logDragRouteDecision(
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passThrough: true,
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eventType: eventType,
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pasteboardTypes: dragPasteboardTypes,
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hitView: nil
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)
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#endif
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return nil
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}
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let hitView = super.hitTest(point)
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#if DEBUG
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logDragRouteDecision(
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passThrough: false,
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eventType: eventType,
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pasteboardTypes: dragPasteboardTypes,
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hitView: hitView
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)
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#endif
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return hitView === self ? nil : hitView
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}
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private func shouldPassThroughToSplitDivider(at point: NSPoint) -> Bool {
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guard let window else { return false }
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let windowPoint = convert(point, to: nil)
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guard let rootView = window.contentView else { return false }
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return Self.containsSplitDivider(at: windowPoint, in: rootView)
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}
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private static func containsSplitDivider(at windowPoint: NSPoint, in view: NSView) -> Bool {
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guard !view.isHidden else { return false }
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if let splitView = view as? NSSplitView {
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let pointInSplit = splitView.convert(windowPoint, from: nil)
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if splitView.bounds.contains(pointInSplit) {
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// Keep divider interactions reliable even when portal-hosted terminal frames
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// temporarily overlap divider edges during rapid layout churn.
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let expansion: CGFloat = 5
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let dividerCount = max(0, splitView.arrangedSubviews.count - 1)
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for dividerIndex in 0..<dividerCount {
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let first = splitView.arrangedSubviews[dividerIndex].frame
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let second = splitView.arrangedSubviews[dividerIndex + 1].frame
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let thickness = splitView.dividerThickness
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let dividerRect: NSRect
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if splitView.isVertical {
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guard first.width > 1, second.width > 1 else { continue }
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let x = max(0, first.maxX)
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dividerRect = NSRect(
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x: x,
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y: 0,
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width: thickness,
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height: splitView.bounds.height
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)
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} else {
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guard first.height > 1, second.height > 1 else { continue }
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let y = max(0, first.maxY)
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dividerRect = NSRect(
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x: 0,
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y: y,
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width: splitView.bounds.width,
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height: thickness
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)
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}
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let expandedDividerRect = dividerRect.insetBy(dx: -expansion, dy: -expansion)
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if expandedDividerRect.contains(pointInSplit) {
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return true
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}
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}
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}
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}
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for subview in view.subviews.reversed() {
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if containsSplitDivider(at: windowPoint, in: subview) {
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return true
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}
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}
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return false
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}
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#if DEBUG
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private func logDragRouteDecision(
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passThrough: Bool,
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eventType: NSEvent.EventType?,
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pasteboardTypes: [NSPasteboard.PasteboardType]?,
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hitView: NSView?
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) {
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let hasRelevantTypes = DragOverlayRoutingPolicy.hasBonsplitTabTransfer(pasteboardTypes)
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|| DragOverlayRoutingPolicy.hasSidebarTabReorder(pasteboardTypes)
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guard passThrough || hasRelevantTypes else { return }
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let targetClass = hitView.map { NSStringFromClass(type(of: $0)) } ?? "nil"
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let signature = [
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passThrough ? "1" : "0",
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debugEventName(eventType),
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debugPasteboardTypes(pasteboardTypes),
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targetClass,
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].joined(separator: "|")
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guard lastDragRouteSignature != signature else { return }
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lastDragRouteSignature = signature
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dlog(
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"portal.dragRoute passThrough=\(passThrough ? 1 : 0) " +
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"event=\(debugEventName(eventType)) target=\(targetClass) " +
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"types=\(debugPasteboardTypes(pasteboardTypes))"
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)
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}
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private func debugPasteboardTypes(_ types: [NSPasteboard.PasteboardType]?) -> String {
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guard let types, !types.isEmpty else { return "-" }
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return types.map(\.rawValue).joined(separator: ",")
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}
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private func debugEventName(_ eventType: NSEvent.EventType?) -> String {
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guard let eventType else { return "none" }
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switch eventType {
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case .cursorUpdate: return "cursorUpdate"
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case .appKitDefined: return "appKitDefined"
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case .systemDefined: return "systemDefined"
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case .applicationDefined: return "applicationDefined"
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case .periodic: return "periodic"
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case .mouseMoved: return "mouseMoved"
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case .mouseEntered: return "mouseEntered"
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case .mouseExited: return "mouseExited"
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case .flagsChanged: return "flagsChanged"
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case .leftMouseDragged: return "leftMouseDragged"
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case .rightMouseDragged: return "rightMouseDragged"
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case .otherMouseDragged: return "otherMouseDragged"
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case .leftMouseDown: return "leftMouseDown"
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case .leftMouseUp: return "leftMouseUp"
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case .rightMouseDown: return "rightMouseDown"
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case .rightMouseUp: return "rightMouseUp"
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case .otherMouseDown: return "otherMouseDown"
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case .otherMouseUp: return "otherMouseUp"
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default: return "other(\(eventType.rawValue))"
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}
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}
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#endif
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}
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private final class SplitDividerOverlayView: NSView {
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private struct DividerSegment {
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let rect: NSRect
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let color: NSColor
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}
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override var isOpaque: Bool { false }
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override var acceptsFirstResponder: Bool { false }
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override func hitTest(_ point: NSPoint) -> NSView? { nil }
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override func draw(_ dirtyRect: NSRect) {
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super.draw(dirtyRect)
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guard let window, let rootView = window.contentView else { return }
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var dividerSegments: [DividerSegment] = []
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collectDividerSegments(in: rootView, into: ÷rSegments)
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guard !dividerSegments.isEmpty else { return }
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NSGraphicsContext.saveGraphicsState()
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defer { NSGraphicsContext.restoreGraphicsState() }
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// Keep separators visible above portal-hosted surfaces while matching each split view's
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// native divider color (avoids visible color shifts at tiny pane sizes).
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for segment in dividerSegments where segment.rect.intersects(dirtyRect) {
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segment.color.setFill()
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let rect = segment.rect
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let pixelAligned = NSRect(
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x: floor(rect.origin.x),
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y: floor(rect.origin.y),
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width: max(1, round(rect.size.width)),
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height: max(1, round(rect.size.height))
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)
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NSBezierPath(rect: pixelAligned).fill()
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}
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}
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private func collectDividerSegments(in view: NSView, into result: inout [DividerSegment]) {
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guard !view.isHidden else { return }
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if let splitView = view as? NSSplitView {
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let dividerCount = max(0, splitView.arrangedSubviews.count - 1)
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let dividerColor = overlayDividerColor(for: splitView)
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for dividerIndex in 0..<dividerCount {
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let first = splitView.arrangedSubviews[dividerIndex].frame
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let thickness = max(splitView.dividerThickness, 1)
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let dividerRectInSplit: NSRect
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if splitView.isVertical {
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dividerRectInSplit = NSRect(
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x: first.maxX,
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y: 0,
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width: thickness,
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height: splitView.bounds.height
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)
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} else {
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dividerRectInSplit = NSRect(
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x: 0,
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y: first.maxY,
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width: splitView.bounds.width,
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height: thickness
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)
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}
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let dividerRectInWindow = splitView.convert(dividerRectInSplit, to: nil)
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let dividerRectInOverlay = convert(dividerRectInWindow, from: nil)
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if dividerRectInOverlay.intersects(bounds) {
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result.append(DividerSegment(rect: dividerRectInOverlay, color: dividerColor))
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}
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}
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}
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for subview in view.subviews {
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collectDividerSegments(in: subview, into: &result)
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}
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}
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private func overlayDividerColor(for splitView: NSSplitView) -> NSColor {
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let divider = splitView.dividerColor.usingColorSpace(.deviceRGB) ?? splitView.dividerColor
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let alpha = divider.alphaComponent
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guard alpha < 0.999 else { return divider }
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guard let bgColor = splitView.layer?.backgroundColor.flatMap(NSColor.init(cgColor:)),
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let bgRGB = bgColor.usingColorSpace(.deviceRGB) else {
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return divider
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}
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let opaqueBG = bgRGB.withAlphaComponent(1)
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let opaqueDivider = divider.withAlphaComponent(1)
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return opaqueBG.blended(withFraction: alpha, of: opaqueDivider) ?? divider
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}
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}
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@MainActor
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final class WindowTerminalPortal: NSObject {
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private weak var window: NSWindow?
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private let hostView = WindowTerminalHostView(frame: .zero)
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private let dividerOverlayView = SplitDividerOverlayView(frame: .zero)
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private weak var installedContainerView: NSView?
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private weak var installedReferenceView: NSView?
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private var installConstraints: [NSLayoutConstraint] = []
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private var hasDeferredFullSyncScheduled = false
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private struct Entry {
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weak var hostedView: GhosttySurfaceScrollView?
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weak var anchorView: NSView?
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var visibleInUI: Bool
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var zPriority: Int
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}
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private var entriesByHostedId: [ObjectIdentifier: Entry] = [:]
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private var hostedByAnchorId: [ObjectIdentifier: ObjectIdentifier] = [:]
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init(window: NSWindow) {
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self.window = window
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super.init()
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hostView.wantsLayer = false
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hostView.translatesAutoresizingMaskIntoConstraints = false
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dividerOverlayView.translatesAutoresizingMaskIntoConstraints = true
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dividerOverlayView.autoresizingMask = [.width, .height]
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_ = ensureInstalled()
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}
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private func ensureDividerOverlayOnTop() {
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if dividerOverlayView.superview !== hostView {
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dividerOverlayView.frame = hostView.bounds
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hostView.addSubview(dividerOverlayView, positioned: .above, relativeTo: nil)
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} else if hostView.subviews.last !== dividerOverlayView {
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hostView.addSubview(dividerOverlayView, positioned: .above, relativeTo: nil)
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}
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if !Self.rectApproximatelyEqual(dividerOverlayView.frame, hostView.bounds) {
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dividerOverlayView.frame = hostView.bounds
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}
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dividerOverlayView.needsDisplay = true
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}
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@discardableResult
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private func ensureInstalled() -> Bool {
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guard let window else { return false }
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guard let (container, reference) = installationTarget(for: window) else { return false }
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if hostView.superview !== container ||
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installedContainerView !== container ||
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installedReferenceView !== reference {
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NSLayoutConstraint.deactivate(installConstraints)
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installConstraints.removeAll()
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hostView.removeFromSuperview()
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container.addSubview(hostView, positioned: .above, relativeTo: reference)
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installConstraints = [
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hostView.leadingAnchor.constraint(equalTo: reference.leadingAnchor),
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hostView.trailingAnchor.constraint(equalTo: reference.trailingAnchor),
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hostView.topAnchor.constraint(equalTo: reference.topAnchor),
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hostView.bottomAnchor.constraint(equalTo: reference.bottomAnchor),
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]
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NSLayoutConstraint.activate(installConstraints)
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installedContainerView = container
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installedReferenceView = reference
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} else if !Self.isView(hostView, above: reference, in: container) {
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container.addSubview(hostView, positioned: .above, relativeTo: reference)
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}
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// Keep the drag/mouse forwarding overlay above portal-hosted terminal views.
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if let overlay = objc_getAssociatedObject(window, &fileDropOverlayKey) as? NSView,
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overlay.superview === container,
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!Self.isView(overlay, above: hostView, in: container) {
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container.addSubview(overlay, positioned: .above, relativeTo: hostView)
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}
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ensureDividerOverlayOnTop()
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return true
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}
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private func installationTarget(for window: NSWindow) -> (container: NSView, reference: NSView)? {
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guard let contentView = window.contentView else { return nil }
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// If NSGlassEffectView wraps the original content view, install inside the glass view
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// so terminals are above the glass background but below SwiftUI content.
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if contentView.className == "NSGlassEffectView",
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let foreground = contentView.subviews.first(where: { $0 !== hostView }) {
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return (contentView, foreground)
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}
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guard let themeFrame = contentView.superview else { return nil }
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return (themeFrame, contentView)
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}
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private static func isHiddenOrAncestorHidden(_ view: NSView) -> Bool {
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if view.isHidden { return true }
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var current = view.superview
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while let v = current {
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if v.isHidden { return true }
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current = v.superview
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}
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return false
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}
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private static func rectApproximatelyEqual(_ lhs: NSRect, _ rhs: NSRect, epsilon: CGFloat = 0.5) -> Bool {
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abs(lhs.origin.x - rhs.origin.x) <= epsilon &&
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abs(lhs.origin.y - rhs.origin.y) <= epsilon &&
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abs(lhs.size.width - rhs.size.width) <= epsilon &&
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abs(lhs.size.height - rhs.size.height) <= epsilon
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}
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private static func isView(_ view: NSView, above reference: NSView, in container: NSView) -> Bool {
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guard let viewIndex = container.subviews.firstIndex(of: view),
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let referenceIndex = container.subviews.firstIndex(of: reference) else {
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return false
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}
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return viewIndex > referenceIndex
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}
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func detachHostedView(withId hostedId: ObjectIdentifier) {
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guard let entry = entriesByHostedId.removeValue(forKey: hostedId) else { return }
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if let anchor = entry.anchorView {
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hostedByAnchorId.removeValue(forKey: ObjectIdentifier(anchor))
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}
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#if DEBUG
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let hadSuperview = (entry.hostedView?.superview === hostView) ? 1 : 0
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dlog(
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"portal.detach hosted=\(portalDebugToken(entry.hostedView)) " +
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"anchor=\(portalDebugToken(entry.anchorView)) hadSuperview=\(hadSuperview)"
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)
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#endif
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if let hostedView = entry.hostedView, hostedView.superview === hostView {
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hostedView.removeFromSuperview()
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}
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}
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/// Hide a portal entry without detaching it. Updates visibleInUI to false and
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/// sets isHidden = true so subsequent synchronizeHostedView calls keep it hidden.
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/// Used when a workspace is permanently unmounted (vs. transient bonsplit dismantles).
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func hideEntry(forHostedId hostedId: ObjectIdentifier) {
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guard var entry = entriesByHostedId[hostedId] else { return }
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guard entry.visibleInUI else { return }
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entry.visibleInUI = false
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entriesByHostedId[hostedId] = entry
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entry.hostedView?.isHidden = true
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#if DEBUG
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dlog("portal.hideEntry hosted=\(portalDebugToken(entry.hostedView)) reason=workspaceUnmount")
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#endif
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}
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/// Update the visibleInUI flag on an existing entry without rebinding.
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/// Used when a deferred bind is pending — this ensures synchronizeHostedView
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/// won't hide a view that updateNSView has already marked as visible.
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func updateEntryVisibility(forHostedId hostedId: ObjectIdentifier, visibleInUI: Bool) {
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guard var entry = entriesByHostedId[hostedId] else { return }
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entry.visibleInUI = visibleInUI
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entriesByHostedId[hostedId] = entry
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}
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func bind(hostedView: GhosttySurfaceScrollView, to anchorView: NSView, visibleInUI: Bool, zPriority: Int = 0) {
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guard ensureInstalled() else { return }
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let hostedId = ObjectIdentifier(hostedView)
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let anchorId = ObjectIdentifier(anchorView)
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let previousEntry = entriesByHostedId[hostedId]
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if let previousHostedId = hostedByAnchorId[anchorId], previousHostedId != hostedId {
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#if DEBUG
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let previousToken = entriesByHostedId[previousHostedId]
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.map { portalDebugToken($0.hostedView) }
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?? String(describing: previousHostedId)
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dlog(
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"portal.bind.replace anchor=\(portalDebugToken(anchorView)) " +
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"oldHosted=\(previousToken) newHosted=\(portalDebugToken(hostedView))"
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)
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#endif
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detachHostedView(withId: previousHostedId)
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}
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if let oldEntry = entriesByHostedId[hostedId],
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let oldAnchor = oldEntry.anchorView,
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oldAnchor !== anchorView {
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hostedByAnchorId.removeValue(forKey: ObjectIdentifier(oldAnchor))
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}
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hostedByAnchorId[anchorId] = hostedId
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entriesByHostedId[hostedId] = Entry(
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hostedView: hostedView,
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anchorView: anchorView,
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visibleInUI: visibleInUI,
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zPriority: zPriority
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)
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let didChangeAnchor: Bool = {
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guard let previousAnchor = previousEntry?.anchorView else { return true }
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return previousAnchor !== anchorView
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}()
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let becameVisible = (previousEntry?.visibleInUI ?? false) == false && visibleInUI
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let priorityIncreased = zPriority > (previousEntry?.zPriority ?? Int.min)
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#if DEBUG
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if previousEntry == nil || didChangeAnchor || becameVisible || priorityIncreased || hostedView.superview !== hostView {
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dlog(
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"portal.bind hosted=\(portalDebugToken(hostedView)) " +
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"anchor=\(portalDebugToken(anchorView)) prevAnchor=\(portalDebugToken(previousEntry?.anchorView)) " +
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"visible=\(visibleInUI ? 1 : 0) prevVisible=\((previousEntry?.visibleInUI ?? false) ? 1 : 0) " +
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"z=\(zPriority) prevZ=\(previousEntry?.zPriority ?? Int.min)"
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)
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}
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#endif
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if hostedView.superview !== hostView {
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#if DEBUG
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dlog(
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"portal.reparent hosted=\(portalDebugToken(hostedView)) " +
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"reason=attach super=\(portalDebugToken(hostedView.superview))"
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|
)
|
|
#endif
|
|
hostView.addSubview(hostedView, positioned: .above, relativeTo: nil)
|
|
} else if (becameVisible || priorityIncreased), hostView.subviews.last !== hostedView {
|
|
// Refresh z-order only when a view becomes visible or gets a higher priority.
|
|
// Anchor-only churn is common during split tree updates; forcing remove/add there
|
|
// causes transient inWindow=0 -> 1 bounces that can flash black.
|
|
#if DEBUG
|
|
dlog(
|
|
"portal.reparent hosted=\(portalDebugToken(hostedView)) reason=raise " +
|
|
"didChangeAnchor=\(didChangeAnchor ? 1 : 0) becameVisible=\(becameVisible ? 1 : 0) " +
|
|
"priorityIncreased=\(priorityIncreased ? 1 : 0)"
|
|
)
|
|
#endif
|
|
hostView.addSubview(hostedView, positioned: .above, relativeTo: nil)
|
|
}
|
|
|
|
ensureDividerOverlayOnTop()
|
|
|
|
synchronizeHostedView(withId: hostedId)
|
|
pruneDeadEntries()
|
|
}
|
|
|
|
func synchronizeHostedViewForAnchor(_ anchorView: NSView) {
|
|
pruneDeadEntries()
|
|
let anchorId = ObjectIdentifier(anchorView)
|
|
let primaryHostedId = hostedByAnchorId[anchorId]
|
|
if let primaryHostedId {
|
|
synchronizeHostedView(withId: primaryHostedId)
|
|
}
|
|
|
|
// Failsafe: during aggressive divider drags/structural churn, one anchor can miss a
|
|
// geometry callback while another fires. Reconcile all mapped hosted views so no stale
|
|
// frame remains "stuck" onscreen until the next interaction.
|
|
synchronizeAllHostedViews(excluding: primaryHostedId)
|
|
scheduleDeferredFullSynchronizeAll()
|
|
}
|
|
|
|
private func scheduleDeferredFullSynchronizeAll() {
|
|
guard !hasDeferredFullSyncScheduled else { return }
|
|
hasDeferredFullSyncScheduled = true
|
|
DispatchQueue.main.async { [weak self] in
|
|
guard let self else { return }
|
|
self.hasDeferredFullSyncScheduled = false
|
|
self.synchronizeAllHostedViews(excluding: nil)
|
|
}
|
|
}
|
|
|
|
private func synchronizeAllHostedViews(excluding hostedIdToSkip: ObjectIdentifier?) {
|
|
guard ensureInstalled() else { return }
|
|
pruneDeadEntries()
|
|
let hostedIds = Array(entriesByHostedId.keys)
|
|
for hostedId in hostedIds {
|
|
if hostedId == hostedIdToSkip { continue }
|
|
synchronizeHostedView(withId: hostedId)
|
|
}
|
|
}
|
|
|
|
private func synchronizeHostedView(withId hostedId: ObjectIdentifier) {
|
|
guard ensureInstalled() else { return }
|
|
guard let entry = entriesByHostedId[hostedId] else { return }
|
|
guard let hostedView = entry.hostedView else {
|
|
entriesByHostedId.removeValue(forKey: hostedId)
|
|
return
|
|
}
|
|
guard let anchorView = entry.anchorView, let window else {
|
|
// Only hide if the entry is not marked visibleInUI. When a workspace is
|
|
// remounting, updateNSView sets visibleInUI=true before the deferred bind
|
|
// provides an anchor — hiding here would race with that and cause a flash.
|
|
if !entry.visibleInUI {
|
|
#if DEBUG
|
|
if !hostedView.isHidden {
|
|
dlog("portal.hidden hosted=\(portalDebugToken(hostedView)) value=1 reason=missingAnchorOrWindow")
|
|
}
|
|
#endif
|
|
hostedView.isHidden = true
|
|
}
|
|
return
|
|
}
|
|
guard anchorView.window === window else {
|
|
#if DEBUG
|
|
if !hostedView.isHidden {
|
|
dlog(
|
|
"portal.hidden hosted=\(portalDebugToken(hostedView)) value=1 " +
|
|
"reason=anchorWindowMismatch anchorWindow=\(portalDebugToken(anchorView.window?.contentView))"
|
|
)
|
|
}
|
|
#endif
|
|
hostedView.isHidden = true
|
|
return
|
|
}
|
|
|
|
let frameInWindow = anchorView.convert(anchorView.bounds, to: nil)
|
|
let frameInHost = hostView.convert(frameInWindow, from: nil)
|
|
let hasFiniteFrame =
|
|
frameInHost.origin.x.isFinite &&
|
|
frameInHost.origin.y.isFinite &&
|
|
frameInHost.size.width.isFinite &&
|
|
frameInHost.size.height.isFinite
|
|
let anchorHidden = Self.isHiddenOrAncestorHidden(anchorView)
|
|
let tinyFrame = frameInHost.width <= 1 || frameInHost.height <= 1
|
|
let outsideHostBounds = !frameInHost.intersects(hostView.bounds)
|
|
let shouldHide =
|
|
!entry.visibleInUI ||
|
|
anchorHidden ||
|
|
tinyFrame ||
|
|
!hasFiniteFrame ||
|
|
outsideHostBounds
|
|
|
|
let oldFrame = hostedView.frame
|
|
#if DEBUG
|
|
let collapsedToTiny = oldFrame.width > 1 && oldFrame.height > 1 && tinyFrame
|
|
let restoredFromTiny = (oldFrame.width <= 1 || oldFrame.height <= 1) && !tinyFrame
|
|
if collapsedToTiny {
|
|
dlog(
|
|
"portal.frame.collapse hosted=\(portalDebugToken(hostedView)) anchor=\(portalDebugToken(anchorView)) " +
|
|
"old=\(portalDebugFrame(oldFrame)) new=\(portalDebugFrame(frameInHost))"
|
|
)
|
|
} else if restoredFromTiny {
|
|
dlog(
|
|
"portal.frame.restore hosted=\(portalDebugToken(hostedView)) anchor=\(portalDebugToken(anchorView)) " +
|
|
"old=\(portalDebugFrame(oldFrame)) new=\(portalDebugFrame(frameInHost))"
|
|
)
|
|
}
|
|
#endif
|
|
if !Self.rectApproximatelyEqual(oldFrame, frameInHost) {
|
|
CATransaction.begin()
|
|
CATransaction.setDisableActions(true)
|
|
hostedView.frame = frameInHost
|
|
CATransaction.commit()
|
|
|
|
if abs(oldFrame.size.width - frameInHost.size.width) > 0.5 ||
|
|
abs(oldFrame.size.height - frameInHost.size.height) > 0.5 {
|
|
hostedView.reconcileGeometryNow()
|
|
}
|
|
}
|
|
|
|
if hostedView.isHidden != shouldHide {
|
|
#if DEBUG
|
|
dlog(
|
|
"portal.hidden hosted=\(portalDebugToken(hostedView)) value=\(shouldHide ? 1 : 0) " +
|
|
"visibleInUI=\(entry.visibleInUI ? 1 : 0) anchorHidden=\(anchorHidden ? 1 : 0) " +
|
|
"tiny=\(tinyFrame ? 1 : 0) finite=\(hasFiniteFrame ? 1 : 0) " +
|
|
"outside=\(outsideHostBounds ? 1 : 0) frame=\(portalDebugFrame(frameInHost))"
|
|
)
|
|
#endif
|
|
hostedView.isHidden = shouldHide
|
|
}
|
|
|
|
ensureDividerOverlayOnTop()
|
|
}
|
|
|
|
private func pruneDeadEntries() {
|
|
let currentWindow = window
|
|
let deadHostedIds = entriesByHostedId.compactMap { hostedId, entry -> ObjectIdentifier? in
|
|
guard entry.hostedView != nil else { return hostedId }
|
|
guard let anchor = entry.anchorView else { return hostedId }
|
|
if anchor.window !== currentWindow || anchor.superview == nil {
|
|
return hostedId
|
|
}
|
|
if let reference = installedReferenceView,
|
|
!anchor.isDescendant(of: reference) {
|
|
return hostedId
|
|
}
|
|
return nil
|
|
}
|
|
|
|
for hostedId in deadHostedIds {
|
|
detachHostedView(withId: hostedId)
|
|
}
|
|
|
|
let validAnchorIds = Set(entriesByHostedId.compactMap { _, entry in
|
|
entry.anchorView.map { ObjectIdentifier($0) }
|
|
})
|
|
hostedByAnchorId = hostedByAnchorId.filter { validAnchorIds.contains($0.key) }
|
|
}
|
|
|
|
func hostedIds() -> Set<ObjectIdentifier> {
|
|
Set(entriesByHostedId.keys)
|
|
}
|
|
|
|
func tearDown() {
|
|
for hostedId in Array(entriesByHostedId.keys) {
|
|
detachHostedView(withId: hostedId)
|
|
}
|
|
NSLayoutConstraint.deactivate(installConstraints)
|
|
installConstraints.removeAll()
|
|
hostView.removeFromSuperview()
|
|
installedContainerView = nil
|
|
installedReferenceView = nil
|
|
}
|
|
|
|
#if DEBUG
|
|
func debugEntryCount() -> Int {
|
|
entriesByHostedId.count
|
|
}
|
|
|
|
func debugHostedSubviewCount() -> Int {
|
|
hostView.subviews.count
|
|
}
|
|
#endif
|
|
|
|
func viewAtWindowPoint(_ windowPoint: NSPoint) -> NSView? {
|
|
guard ensureInstalled() else { return nil }
|
|
let point = hostView.convert(windowPoint, from: nil)
|
|
|
|
// Restrict hit-testing to currently mapped entries so stale detached views
|
|
// can't steal file-drop/mouse routing.
|
|
for subview in hostView.subviews.reversed() {
|
|
guard let hostedView = subview as? GhosttySurfaceScrollView else { continue }
|
|
let hostedId = ObjectIdentifier(hostedView)
|
|
guard entriesByHostedId[hostedId] != nil else { continue }
|
|
guard !hostedView.isHidden else { continue }
|
|
guard hostedView.frame.contains(point) else { continue }
|
|
let localPoint = hostedView.convert(point, from: hostView)
|
|
return hostedView.hitTest(localPoint) ?? hostedView
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func terminalViewAtWindowPoint(_ windowPoint: NSPoint) -> GhosttyNSView? {
|
|
guard ensureInstalled() else { return nil }
|
|
let point = hostView.convert(windowPoint, from: nil)
|
|
|
|
for subview in hostView.subviews.reversed() {
|
|
guard let hostedView = subview as? GhosttySurfaceScrollView else { continue }
|
|
let hostedId = ObjectIdentifier(hostedView)
|
|
guard entriesByHostedId[hostedId] != nil else { continue }
|
|
guard !hostedView.isHidden else { continue }
|
|
guard hostedView.frame.contains(point) else { continue }
|
|
let localPoint = hostedView.convert(point, from: hostView)
|
|
if let terminal = hostedView.terminalViewForDrop(at: localPoint) {
|
|
return terminal
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
}
|
|
|
|
@MainActor
|
|
enum TerminalWindowPortalRegistry {
|
|
private static var portalsByWindowId: [ObjectIdentifier: WindowTerminalPortal] = [:]
|
|
private static var hostedToWindowId: [ObjectIdentifier: ObjectIdentifier] = [:]
|
|
|
|
private static func installWindowCloseObserverIfNeeded(for window: NSWindow) {
|
|
guard objc_getAssociatedObject(window, &cmuxWindowTerminalPortalCloseObserverKey) == nil else { return }
|
|
let windowId = ObjectIdentifier(window)
|
|
let observer = NotificationCenter.default.addObserver(
|
|
forName: NSWindow.willCloseNotification,
|
|
object: window,
|
|
queue: .main
|
|
) { [weak window] _ in
|
|
MainActor.assumeIsolated {
|
|
if let window {
|
|
removePortal(for: window)
|
|
} else {
|
|
removePortal(windowId: windowId, window: nil)
|
|
}
|
|
}
|
|
}
|
|
objc_setAssociatedObject(
|
|
window,
|
|
&cmuxWindowTerminalPortalCloseObserverKey,
|
|
observer,
|
|
.OBJC_ASSOCIATION_RETAIN_NONATOMIC
|
|
)
|
|
}
|
|
|
|
private static func removePortal(for window: NSWindow) {
|
|
removePortal(windowId: ObjectIdentifier(window), window: window)
|
|
}
|
|
|
|
private static func removePortal(windowId: ObjectIdentifier, window: NSWindow?) {
|
|
if let portal = portalsByWindowId.removeValue(forKey: windowId) {
|
|
portal.tearDown()
|
|
}
|
|
hostedToWindowId = hostedToWindowId.filter { $0.value != windowId }
|
|
|
|
guard let window else { return }
|
|
if let observer = objc_getAssociatedObject(window, &cmuxWindowTerminalPortalCloseObserverKey) {
|
|
NotificationCenter.default.removeObserver(observer)
|
|
}
|
|
objc_setAssociatedObject(window, &cmuxWindowTerminalPortalCloseObserverKey, nil, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
|
|
objc_setAssociatedObject(window, &cmuxWindowTerminalPortalKey, nil, .OBJC_ASSOCIATION_RETAIN)
|
|
}
|
|
|
|
private static func pruneHostedMappings(for windowId: ObjectIdentifier, validHostedIds: Set<ObjectIdentifier>) {
|
|
hostedToWindowId = hostedToWindowId.filter { hostedId, mappedWindowId in
|
|
mappedWindowId != windowId || validHostedIds.contains(hostedId)
|
|
}
|
|
}
|
|
|
|
private static func portal(for window: NSWindow) -> WindowTerminalPortal {
|
|
if let existing = objc_getAssociatedObject(window, &cmuxWindowTerminalPortalKey) as? WindowTerminalPortal {
|
|
portalsByWindowId[ObjectIdentifier(window)] = existing
|
|
installWindowCloseObserverIfNeeded(for: window)
|
|
return existing
|
|
}
|
|
|
|
let portal = WindowTerminalPortal(window: window)
|
|
objc_setAssociatedObject(window, &cmuxWindowTerminalPortalKey, portal, .OBJC_ASSOCIATION_RETAIN)
|
|
portalsByWindowId[ObjectIdentifier(window)] = portal
|
|
installWindowCloseObserverIfNeeded(for: window)
|
|
return portal
|
|
}
|
|
|
|
static func bind(hostedView: GhosttySurfaceScrollView, to anchorView: NSView, visibleInUI: Bool, zPriority: Int = 0) {
|
|
guard let window = anchorView.window else { return }
|
|
|
|
let windowId = ObjectIdentifier(window)
|
|
let hostedId = ObjectIdentifier(hostedView)
|
|
let nextPortal = portal(for: window)
|
|
|
|
if let oldWindowId = hostedToWindowId[hostedId],
|
|
oldWindowId != windowId {
|
|
portalsByWindowId[oldWindowId]?.detachHostedView(withId: hostedId)
|
|
}
|
|
|
|
nextPortal.bind(hostedView: hostedView, to: anchorView, visibleInUI: visibleInUI, zPriority: zPriority)
|
|
hostedToWindowId[hostedId] = windowId
|
|
pruneHostedMappings(for: windowId, validHostedIds: nextPortal.hostedIds())
|
|
}
|
|
|
|
static func synchronizeForAnchor(_ anchorView: NSView) {
|
|
guard let window = anchorView.window else { return }
|
|
let portal = portal(for: window)
|
|
portal.synchronizeHostedViewForAnchor(anchorView)
|
|
}
|
|
|
|
static func hideHostedView(_ hostedView: GhosttySurfaceScrollView) {
|
|
let hostedId = ObjectIdentifier(hostedView)
|
|
guard let windowId = hostedToWindowId[hostedId],
|
|
let portal = portalsByWindowId[windowId] else { return }
|
|
portal.hideEntry(forHostedId: hostedId)
|
|
}
|
|
|
|
/// Update the visibleInUI flag on an existing portal entry without rebinding.
|
|
/// Called when a bind is deferred (host not yet in window) to prevent stale
|
|
/// portal syncs from hiding a view that is about to become visible.
|
|
static func updateEntryVisibility(for hostedView: GhosttySurfaceScrollView, visibleInUI: Bool) {
|
|
let hostedId = ObjectIdentifier(hostedView)
|
|
guard let windowId = hostedToWindowId[hostedId],
|
|
let portal = portalsByWindowId[windowId] else { return }
|
|
portal.updateEntryVisibility(forHostedId: hostedId, visibleInUI: visibleInUI)
|
|
}
|
|
|
|
static func viewAtWindowPoint(_ windowPoint: NSPoint, in window: NSWindow) -> NSView? {
|
|
let portal = portal(for: window)
|
|
return portal.viewAtWindowPoint(windowPoint)
|
|
}
|
|
|
|
static func terminalViewAtWindowPoint(_ windowPoint: NSPoint, in window: NSWindow) -> GhosttyNSView? {
|
|
let portal = portal(for: window)
|
|
return portal.terminalViewAtWindowPoint(windowPoint)
|
|
}
|
|
|
|
#if DEBUG
|
|
static func debugPortalCount() -> Int {
|
|
portalsByWindowId.count
|
|
}
|
|
#endif
|
|
}
|