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Fix tab drag blank state and preserve non-custom titles across window drops

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This commit is contained in:
Lawrence Chen 2026-02-23 23:57:09 -08:00
parent 6c6f363e4b
commit 6505f0c504
6 changed files with 252 additions and 57 deletions
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92
GhosttyTabs.xcodeproj/project.pbxproj
View file

@ -74,13 +74,14 @@
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/* End PBXBuildFile section */
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A5001020 /* Embed Frameworks */ = {
@ -199,16 +200,17 @@
B9000016A1B2C3D4E5F60719 /* MultiWindowNotificationsUITests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MultiWindowNotificationsUITests.swift; sourceTree = "<group>"; };
B9000019A1B2C3D4E5F60719 /* CloseWorkspaceConfirmDialogUITests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CloseWorkspaceConfirmDialogUITests.swift; sourceTree = "<group>"; };
B9000022A1B2C3D4E5F60719 /* CloseWorkspaceCmdDUITests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CloseWorkspaceCmdDUITests.swift; sourceTree = "<group>"; };
D0E0F0B1A1B2C3D4E5F60718 /* BrowserPaneNavigationKeybindUITests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BrowserPaneNavigationKeybindUITests.swift; sourceTree = "<group>"; };
D0E0F0B3A1B2C3D4E5F60718 /* BrowserOmnibarSuggestionsUITests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BrowserOmnibarSuggestionsUITests.swift; sourceTree = "<group>"; };
E1000001A1B2C3D4E5F60718 /* MenuKeyEquivalentRoutingUITests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MenuKeyEquivalentRoutingUITests.swift; sourceTree = "<group>"; };
F1000001A1B2C3D4E5F60718 /* CmuxWebViewKeyEquivalentTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CmuxWebViewKeyEquivalentTests.swift; sourceTree = "<group>"; };
F2000001A1B2C3D4E5F60718 /* UpdatePillReleaseVisibilityTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UpdatePillReleaseVisibilityTests.swift; sourceTree = "<group>"; };
F3000001A1B2C3D4E5F60718 /* CJKIMEInputTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CJKIMEInputTests.swift; sourceTree = "<group>"; };
F4000001A1B2C3D4E5F60718 /* GhosttyConfigTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GhosttyConfigTests.swift; sourceTree = "<group>"; };
F5000001A1B2C3D4E5F60718 /* SessionPersistenceTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SessionPersistenceTests.swift; sourceTree = "<group>"; };
F6000001A1B2C3D4E5F60718 /* AppDelegateShortcutRoutingTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegateShortcutRoutingTests.swift; sourceTree = "<group>"; };
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F1000001A1B2C3D4E5F60718 /* CmuxWebViewKeyEquivalentTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CmuxWebViewKeyEquivalentTests.swift; sourceTree = "<group>"; };
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F4000001A1B2C3D4E5F60718 /* GhosttyConfigTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GhosttyConfigTests.swift; sourceTree = "<group>"; };
F5000001A1B2C3D4E5F60718 /* SessionPersistenceTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SessionPersistenceTests.swift; sourceTree = "<group>"; };
F6000001A1B2C3D4E5F60718 /* AppDelegateShortcutRoutingTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegateShortcutRoutingTests.swift; sourceTree = "<group>"; };
F7000001A1B2C3D4E5F60718 /* WorkspaceContentViewVisibilityTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WorkspaceContentViewVisibilityTests.swift; sourceTree = "<group>"; };
/* End PBXFileReference section */
/* Begin PBXFrameworksBuildPhase section */
A5001030 /* Frameworks */ = {
@ -408,19 +410,20 @@
path = cmuxUITests;
sourceTree = "<group>";
};
F1000003A1B2C3D4E5F60718 /* cmuxTests */ = {
isa = PBXGroup;
children = (
F1000001A1B2C3D4E5F60718 /* CmuxWebViewKeyEquivalentTests.swift */,
F2000001A1B2C3D4E5F60718 /* UpdatePillReleaseVisibilityTests.swift */,
F3000001A1B2C3D4E5F60718 /* CJKIMEInputTests.swift */,
F4000001A1B2C3D4E5F60718 /* GhosttyConfigTests.swift */,
F5000001A1B2C3D4E5F60718 /* SessionPersistenceTests.swift */,
F6000001A1B2C3D4E5F60718 /* AppDelegateShortcutRoutingTests.swift */,
);
path = cmuxTests;
sourceTree = "<group>";
};
F1000003A1B2C3D4E5F60718 /* cmuxTests */ = {
isa = PBXGroup;
children = (
F1000001A1B2C3D4E5F60718 /* CmuxWebViewKeyEquivalentTests.swift */,
F2000001A1B2C3D4E5F60718 /* UpdatePillReleaseVisibilityTests.swift */,
F3000001A1B2C3D4E5F60718 /* CJKIMEInputTests.swift */,
F4000001A1B2C3D4E5F60718 /* GhosttyConfigTests.swift */,
F5000001A1B2C3D4E5F60718 /* SessionPersistenceTests.swift */,
F6000001A1B2C3D4E5F60718 /* AppDelegateShortcutRoutingTests.swift */,
F7000001A1B2C3D4E5F60718 /* WorkspaceContentViewVisibilityTests.swift */,
);
path = cmuxTests;
sourceTree = "<group>";
};
/* End PBXGroup section */
/* Begin PBXNativeTarget section */
@ -611,20 +614,21 @@
);
runOnlyForDeploymentPostprocessing = 0;
};
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F2000000A1B2C3D4E5F60718 /* UpdatePillReleaseVisibilityTests.swift in Sources */,
F3000000A1B2C3D4E5F60718 /* CJKIMEInputTests.swift in Sources */,
F4000000A1B2C3D4E5F60718 /* GhosttyConfigTests.swift in Sources */,
F5000000A1B2C3D4E5F60718 /* SessionPersistenceTests.swift in Sources */,
F6000000A1B2C3D4E5F60718 /* AppDelegateShortcutRoutingTests.swift in Sources */,
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runOnlyForDeploymentPostprocessing = 0;
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F3000000A1B2C3D4E5F60718 /* CJKIMEInputTests.swift in Sources */,
F4000000A1B2C3D4E5F60718 /* GhosttyConfigTests.swift in Sources */,
F5000000A1B2C3D4E5F60718 /* SessionPersistenceTests.swift in Sources */,
F6000000A1B2C3D4E5F60718 /* AppDelegateShortcutRoutingTests.swift in Sources */,
F7000000A1B2C3D4E5F60718 /* WorkspaceContentViewVisibilityTests.swift in Sources */,
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buildActionMask = 2147483647;
files = (

77
Sources/GhosttyTerminalView.swift
View file

@ -4185,9 +4185,11 @@ final class GhosttySurfaceScrollView: NSView {
isHidden = !visible
#if DEBUG
if wasVisible != visible {
let transition = "\(wasVisible ? 1 : 0)->\(visible ? 1 : 0)"
let suffix = debugVisibilityStateSuffix(transition: transition)
debugLogWorkspaceSwitchTiming(
event: "ws.term.visible",
suffix: "surface=\(surfaceView.terminalSurface?.id.uuidString.prefix(5) ?? "nil") value=\(visible ? 1 : 0)"
suffix: suffix
)
}
#endif
@ -4207,9 +4209,11 @@ final class GhosttySurfaceScrollView: NSView {
isActive = active
#if DEBUG
if wasActive != active {
let transition = "\(wasActive ? 1 : 0)->\(active ? 1 : 0)"
let suffix = debugVisibilityStateSuffix(transition: transition)
debugLogWorkspaceSwitchTiming(
event: "ws.term.active",
suffix: "surface=\(surfaceView.terminalSurface?.id.uuidString.prefix(5) ?? "nil") value=\(active ? 1 : 0)"
suffix: suffix
)
}
#endif
@ -4231,6 +4235,37 @@ final class GhosttySurfaceScrollView: NSView {
let dtMs = (CACurrentMediaTime() - snapshot.startedAt) * 1000
dlog("\(event) id=\(snapshot.id) dt=\(String(format: "%.2fms", dtMs)) \(suffix)")
}
private func debugFirstResponderLabel() -> String {
guard let window, let firstResponder = window.firstResponder else { return "nil" }
if let view = firstResponder as? NSView {
if view === surfaceView {
return "surfaceView"
}
if view.isDescendant(of: surfaceView) {
return "surfaceDescendant"
}
return String(describing: type(of: view))
}
return String(describing: type(of: firstResponder))
}
private func debugVisibilityStateSuffix(transition: String) -> String {
let surface = surfaceView.terminalSurface?.id.uuidString.prefix(5) ?? "nil"
let hiddenInHierarchy = (isHiddenOrHasHiddenAncestor || surfaceView.isHiddenOrHasHiddenAncestor) ? 1 : 0
let inWindow = window != nil ? 1 : 0
let hasSuperview = superview != nil ? 1 : 0
let hostHidden = isHidden ? 1 : 0
let surfaceHidden = surfaceView.isHidden ? 1 : 0
let boundsText = String(format: "%.1fx%.1f", bounds.width, bounds.height)
let frameText = String(format: "%.1fx%.1f", frame.width, frame.height)
let responder = debugFirstResponderLabel()
return
"surface=\(surface) transition=\(transition) active=\(isActive ? 1 : 0) " +
"visibleFlag=\(surfaceView.isVisibleInUI ? 1 : 0) hostHidden=\(hostHidden) surfaceHidden=\(surfaceHidden) " +
"hiddenHierarchy=\(hiddenInHierarchy) inWindow=\(inWindow) hasSuperview=\(hasSuperview) " +
"bounds=\(boundsText) frame=\(frameText) firstResponder=\(responder)"
}
#endif
func moveFocus(from previous: GhosttySurfaceScrollView? = nil, delay: TimeInterval? = nil) {
@ -5082,32 +5117,36 @@ struct GhosttyTerminalView: NSViewRepresentable {
func updateNSView(_ nsView: NSView, context: Context) {
let hostedView = terminalSurface.hostedView
let coordinator = context.coordinator
#if DEBUG
let previousDesiredIsActive = coordinator.desiredIsActive
#endif
let previousDesiredIsVisibleInUI = coordinator.desiredIsVisibleInUI
let previousDesiredShowsUnreadNotificationRing = coordinator.desiredShowsUnreadNotificationRing
let previousDesiredPortalZPriority = coordinator.desiredPortalZPriority
let desiredStateChanged =
previousDesiredIsActive != isActive ||
previousDesiredIsVisibleInUI != isVisibleInUI ||
previousDesiredPortalZPriority != portalZPriority
coordinator.desiredIsActive = isActive
coordinator.desiredIsVisibleInUI = isVisibleInUI
coordinator.desiredShowsUnreadNotificationRing = showsUnreadNotificationRing
coordinator.desiredPortalZPriority = portalZPriority
coordinator.hostedView = hostedView
#if DEBUG
if previousDesiredIsActive != isActive ||
previousDesiredIsVisibleInUI != isVisibleInUI ||
previousDesiredPortalZPriority != portalZPriority {
if desiredStateChanged {
if let snapshot = AppDelegate.shared?.tabManager?.debugCurrentWorkspaceSwitchSnapshot() {
let dtMs = (CACurrentMediaTime() - snapshot.startedAt) * 1000
dlog(
"ws.swiftui.update id=\(snapshot.id) dt=\(String(format: "%.2fms", dtMs)) " +
"surface=\(terminalSurface.id.uuidString.prefix(5)) visible=\(isVisibleInUI ? 1 : 0) " +
"active=\(isActive ? 1 : 0) z=\(portalZPriority)"
"active=\(isActive ? 1 : 0) z=\(portalZPriority) " +
"hostWindow=\(nsView.window != nil ? 1 : 0) hostedWindow=\(hostedView.window != nil ? 1 : 0) " +
"hostedSuperview=\(hostedView.superview != nil ? 1 : 0)"
)
} else {
dlog(
"ws.swiftui.update id=none surface=\(terminalSurface.id.uuidString.prefix(5)) " +
"visible=\(isVisibleInUI ? 1 : 0) active=\(isActive ? 1 : 0) z=\(portalZPriority)"
"visible=\(isVisibleInUI ? 1 : 0) active=\(isActive ? 1 : 0) z=\(portalZPriority) " +
"hostWindow=\(nsView.window != nil ? 1 : 0) hostedWindow=\(hostedView.window != nil ? 1 : 0) " +
"hostedSuperview=\(hostedView.superview != nil ? 1 : 0)"
)
}
}
@ -5195,6 +5234,16 @@ struct GhosttyTerminalView: NSViewRepresentable {
// Bind is deferred until host moves into a window. Update the
// existing portal entry's visibleInUI now so that any portal sync
// that runs before the deferred bind completes won't hide the view.
#if DEBUG
if desiredStateChanged {
dlog(
"ws.hostState.deferBind surface=\(terminalSurface.id.uuidString.prefix(5)) " +
"reason=hostNoWindow visible=\(coordinator.desiredIsVisibleInUI ? 1 : 0) " +
"active=\(coordinator.desiredIsActive ? 1 : 0) z=\(coordinator.desiredPortalZPriority) " +
"hostedWindow=\(hostedView.window != nil ? 1 : 0) hostedSuperview=\(hostedView.superview != nil ? 1 : 0)"
)
}
#endif
TerminalWindowPortalRegistry.updateEntryVisibility(
for: hostedView,
visibleInUI: coordinator.desiredIsVisibleInUI
@ -5218,6 +5267,16 @@ struct GhosttyTerminalView: NSViewRepresentable {
} else {
// Preserve portal entry visibility while a stale host is still receiving SwiftUI updates.
// The currently bound host remains authoritative for immediate visible/active state.
#if DEBUG
if desiredStateChanged {
dlog(
"ws.hostState.deferApply surface=\(terminalSurface.id.uuidString.prefix(5)) " +
"reason=staleHostBinding hostWindow=\(hostWindowAttached ? 1 : 0) " +
"boundToCurrent=\(isBoundToCurrentHost ? 1 : 0) hostedSuperview=\(hostedView.superview != nil ? 1 : 0) " +
"visible=\(isVisibleInUI ? 1 : 0) active=\(isActive ? 1 : 0)"
)
}
#endif
TerminalWindowPortalRegistry.updateEntryVisibility(
for: hostedView,
visibleInUI: isVisibleInUI

29
Sources/Workspace.swift
View file

@ -3265,17 +3265,19 @@ extension Workspace: BonsplitDelegate {
if isDetaching, let panel {
let browserPanel = panel as? BrowserPanel
let cachedTitle = panelTitles[panelId]
let transferFallbackTitle = cachedTitle ?? panel.displayTitle
pendingDetachedSurfaces[tabId] = DetachedSurfaceTransfer(
panelId: panelId,
panel: panel,
title: resolvedPanelTitle(panelId: panelId, fallback: panel.displayTitle),
title: resolvedPanelTitle(panelId: panelId, fallback: transferFallbackTitle),
icon: panel.displayIcon,
iconImageData: browserPanel?.faviconPNGData,
kind: surfaceKind(for: panel),
isLoading: browserPanel?.isLoading ?? false,
isPinned: pinnedPanelIds.contains(panelId),
directory: panelDirectories[panelId],
cachedTitle: panelTitles[panelId],
cachedTitle: cachedTitle,
customTitle: panelCustomTitles[panelId],
manuallyUnread: manualUnreadPanelIds.contains(panelId)
)
@ -3364,14 +3366,35 @@ extension Workspace: BonsplitDelegate {
}
debugLastDidMoveTabTimestamp = now
debugDidMoveTabEventCount += 1
let movedPanel = panelIdFromSurfaceId(tab.id)?.uuidString.prefix(5) ?? "unknown"
let movedPanelId = panelIdFromSurfaceId(tab.id)
let movedPanel = movedPanelId?.uuidString.prefix(5) ?? "unknown"
let selectedBefore = controller.selectedTab(inPane: destination)
.map { String(String(describing: $0.id).prefix(5)) } ?? "nil"
let focusedPaneBefore = controller.focusedPaneId?.id.uuidString.prefix(5) ?? "nil"
let focusedPanelBefore = focusedPanelId?.uuidString.prefix(5) ?? "nil"
dlog(
"split.moveTab idx=\(debugDidMoveTabEventCount) dtSincePrevMs=\(sincePrev) panel=\(movedPanel) " +
"from=\(source.id.uuidString.prefix(5)) to=\(destination.id.uuidString.prefix(5)) " +
"sourceTabs=\(controller.tabs(inPane: source).count) destTabs=\(controller.tabs(inPane: destination).count)"
)
dlog(
"split.moveTab.state.before idx=\(debugDidMoveTabEventCount) panel=\(movedPanel) " +
"destSelected=\(selectedBefore) focusedPane=\(focusedPaneBefore) focusedPanel=\(focusedPanelBefore)"
)
#endif
applyTabSelection(tabId: tab.id, inPane: destination)
#if DEBUG
let selectedAfter = controller.selectedTab(inPane: destination)
.map { String(String(describing: $0.id).prefix(5)) } ?? "nil"
let focusedPaneAfter = controller.focusedPaneId?.id.uuidString.prefix(5) ?? "nil"
let focusedPanelAfter = focusedPanelId?.uuidString.prefix(5) ?? "nil"
let movedPanelFocused = (movedPanelId != nil && movedPanelId == focusedPanelId) ? 1 : 0
dlog(
"split.moveTab.state.after idx=\(debugDidMoveTabEventCount) panel=\(movedPanel) " +
"destSelected=\(selectedAfter) focusedPane=\(focusedPaneAfter) focusedPanel=\(focusedPanelAfter) " +
"movedFocused=\(movedPanelFocused)"
)
#endif
normalizePinnedTabs(in: source)
normalizePinnedTabs(in: destination)
scheduleTerminalGeometryReconcile()

17
Sources/WorkspaceContentView.swift
View file

@ -19,6 +19,17 @@ struct WorkspaceContentView: View {
@Environment(\.colorScheme) private var colorScheme
@EnvironmentObject var notificationStore: TerminalNotificationStore
static func panelVisibleInUI(
isWorkspaceVisible: Bool,
isSelectedInPane: Bool,
isFocused: Bool
) -> Bool {
guard isWorkspaceVisible else { return false }
// During pane/tab reparenting, Bonsplit can transiently report selected=false
// for the currently focused panel. Keep focused content visible to avoid blank frames.
return isSelectedInPane || isFocused
}
var body: some View {
let appearance = PanelAppearance.fromConfig(config)
let isSplit = workspace.bonsplitController.allPaneIds.count > 1 ||
@ -47,7 +58,11 @@ struct WorkspaceContentView: View {
if let panel = workspace.panel(for: tab.id) {
let isFocused = isWorkspaceInputActive && workspace.focusedPanelId == panel.id
let isSelectedInPane = workspace.bonsplitController.selectedTab(inPane: paneId)?.id == tab.id
let isVisibleInUI = isWorkspaceVisible && isSelectedInPane
let isVisibleInUI = Self.panelVisibleInUI(
isWorkspaceVisible: isWorkspaceVisible,
isSelectedInPane: isSelectedInPane,
isFocused: isFocused
)
let hasUnreadNotification = Workspace.shouldShowUnreadIndicator(
hasUnreadNotification: notificationStore.hasUnreadNotification(forTabId: workspace.id, surfaceId: panel.id),
isManuallyUnread: workspace.manualUnreadPanelIds.contains(panel.id)

45
cmuxTests/CmuxWebViewKeyEquivalentTests.swift
View file

@ -3147,6 +3147,51 @@ final class WorkspacePanelGitBranchTests: XCTestCase {
#endif
}
func testDetachAttachAcrossWorkspacesPreservesNonCustomPanelTitle() {
let source = Workspace()
guard let panelId = source.focusedPanelId else {
XCTFail("Expected source focused panel")
return
}
XCTAssertTrue(source.updatePanelTitle(panelId: panelId, title: "detached-runtime-title"))
guard let detached = source.detachSurface(panelId: panelId) else {
XCTFail("Expected detach to succeed")
return
}
XCTAssertEqual(detached.cachedTitle, "detached-runtime-title")
XCTAssertNil(detached.customTitle)
XCTAssertEqual(
detached.title,
"detached-runtime-title",
"Detached transfer should carry the cached non-custom title"
)
let destination = Workspace()
guard let destinationPane = destination.bonsplitController.allPaneIds.first else {
XCTFail("Expected destination pane")
return
}
let attachedPanelId = destination.attachDetachedSurface(
detached,
inPane: destinationPane,
focus: false
)
XCTAssertEqual(attachedPanelId, panelId)
XCTAssertEqual(destination.panelTitle(panelId: panelId), "detached-runtime-title")
guard let attachedTabId = destination.surfaceIdFromPanelId(panelId),
let attachedTab = destination.bonsplitController.tab(attachedTabId) else {
XCTFail("Expected attached tab mapping")
return
}
XCTAssertEqual(attachedTab.title, "detached-runtime-title")
XCTAssertFalse(attachedTab.hasCustomTitle)
}
func testBrowserSplitWithFocusFalseRecoversFromDelayedStaleSelection() {
let workspace = Workspace()
guard let originalFocusedPanelId = workspace.focusedPanelId else {

49
cmuxTests/WorkspaceContentViewVisibilityTests.swift Normal file
View file

@ -0,0 +1,49 @@
import XCTest
#if canImport(cmux_DEV)
@testable import cmux_DEV
#elseif canImport(cmux)
@testable import cmux
#endif
final class WorkspaceContentViewVisibilityTests: XCTestCase {
func testPanelVisibleInUIReturnsFalseWhenWorkspaceHidden() {
XCTAssertFalse(
WorkspaceContentView.panelVisibleInUI(
isWorkspaceVisible: false,
isSelectedInPane: true,
isFocused: true
)
)
}
func testPanelVisibleInUIReturnsTrueForSelectedPanel() {
XCTAssertTrue(
WorkspaceContentView.panelVisibleInUI(
isWorkspaceVisible: true,
isSelectedInPane: true,
isFocused: false
)
)
}
func testPanelVisibleInUIReturnsTrueForFocusedPanelDuringTransientSelectionGap() {
XCTAssertTrue(
WorkspaceContentView.panelVisibleInUI(
isWorkspaceVisible: true,
isSelectedInPane: false,
isFocused: true
)
)
}
func testPanelVisibleInUIReturnsFalseWhenNeitherSelectedNorFocused() {
XCTAssertFalse(
WorkspaceContentView.panelVisibleInUI(
isWorkspaceVisible: true,
isSelectedInPane: false,
isFocused: false
)
)
}
}