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Dim and shrink cursor after idle timeout #85

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Dim and shrink cursor after idle timeout #85

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62 changes: 58 additions & 4 deletions leanring-buddy/OverlayWindow.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -130,6 +130,14 @@ struct BlueCursorView: View {
@State private var bubbleOpacity: Double = 1.0
@State private var cursorOpacity: Double = 0.0

// Idle dim state — separate from cursorOpacity so the initial 0→1 fade-in is unaffected
@State private var cursorIdleDimFactor: Double = 1.0
@State private var lastTrackedMousePosition: CGPoint = .zero
@State private var lastCursorMovementDate: Date = Date()
private let idleDimTimeoutSeconds: Double = 0.7
private let idleDimmedOpacity: Double = 0.5
private let idleShrinkScale: Double = 0.8

// MARK: - Buddy Navigation State

/// The buddy's current behavioral mode (following cursor, navigating, or pointing).
Expand Down Expand Up @@ -307,8 +315,8 @@ struct BlueCursorView: View {
.frame(width: 16, height: 16)
.rotationEffect(.degrees(triangleRotationDegrees))
.shadow(color: DS.Colors.overlayCursorBlue, radius: 8 + (buddyFlightScale - 1.0) * 20, x: 0, y: 0)
.scaleEffect(buddyFlightScale)
.opacity(buddyIsVisibleOnThisScreen && (companionManager.voiceState == .idle || companionManager.voiceState == .responding) ? cursorOpacity : 0)
.scaleEffect(buddyFlightScale * (cursorIdleDimFactor < 1.0 ? idleShrinkScale : 1.0))
.opacity(buddyIsVisibleOnThisScreen && (companionManager.voiceState == .idle || companionManager.voiceState == .responding) ? cursorOpacity * cursorIdleDimFactor : 0)
.position(cursorPosition)
.animation(
buddyNavigationMode == .followingCursor
Expand All @@ -321,20 +329,34 @@ struct BlueCursorView: View {
buddyNavigationMode == .navigatingToTarget ? nil : .easeInOut(duration: 0.3),
value: triangleRotationDegrees
)
.animation(
cursorIdleDimFactor < 1.0 ? .easeInOut(duration: 1.0) : .easeInOut(duration: 0.4),
value: cursorIdleDimFactor
)

// Blue waveform — replaces the triangle while listening
BlueCursorWaveformView(audioPowerLevel: companionManager.currentAudioPowerLevel)
.opacity(buddyIsVisibleOnThisScreen && companionManager.voiceState == .listening ? cursorOpacity : 0)
.scaleEffect(cursorIdleDimFactor < 1.0 ? idleShrinkScale : 1.0)
.opacity(buddyIsVisibleOnThisScreen && companionManager.voiceState == .listening ? cursorOpacity * cursorIdleDimFactor : 0)
.position(cursorPosition)
.animation(.spring(response: 0.2, dampingFraction: 0.6, blendDuration: 0), value: cursorPosition)
.animation(.easeIn(duration: 0.15), value: companionManager.voiceState)
.animation(
cursorIdleDimFactor < 1.0 ? .easeInOut(duration: 1.0) : .easeInOut(duration: 0.4),
value: cursorIdleDimFactor
)

// Blue spinner — shown while the AI is processing (transcription + Claude + waiting for TTS)
BlueCursorSpinnerView()
.opacity(buddyIsVisibleOnThisScreen && companionManager.voiceState == .processing ? cursorOpacity : 0)
.scaleEffect(cursorIdleDimFactor < 1.0 ? idleShrinkScale : 1.0)
.opacity(buddyIsVisibleOnThisScreen && companionManager.voiceState == .processing ? cursorOpacity * cursorIdleDimFactor : 0)
.position(cursorPosition)
.animation(.spring(response: 0.2, dampingFraction: 0.6, blendDuration: 0), value: cursorPosition)
.animation(.easeIn(duration: 0.15), value: companionManager.voiceState)
.animation(
cursorIdleDimFactor < 1.0 ? .easeInOut(duration: 1.0) : .easeInOut(duration: 0.4),
value: cursorIdleDimFactor
)

}
.frame(width: screenFrame.width, height: screenFrame.height)
Expand All @@ -349,6 +371,10 @@ struct BlueCursorView: View {

startTrackingCursor()

// Seed the last known mouse position and timestamp for idle dim tracking
lastTrackedMousePosition = mouseLocation
lastCursorMovementDate = Date()

// Only show welcome message on first appearance (app start)
// and only if the cursor starts on this screen
if isFirstAppearance && isCursorOnThisScreen {
Expand Down Expand Up @@ -406,12 +432,40 @@ struct BlueCursorView: View {
}
}

// MARK: - Idle Dim

/// Called every cursor-tracking frame. Dims the cursor after 30 seconds of no movement
/// and restores it immediately when the cursor moves again.
private func handleCursorMovementForIdleDimming(currentMouseLocation: CGPoint) {
let movementDistance = hypot(
currentMouseLocation.x - lastTrackedMousePosition.x,
currentMouseLocation.y - lastTrackedMousePosition.y
)

if movementDistance > 2.0 {
// Cursor moved — record position and time, restore opacity if dimmed
lastTrackedMousePosition = currentMouseLocation
lastCursorMovementDate = Date()

if cursorIdleDimFactor < 1.0 {
cursorIdleDimFactor = 1.0
}
} else {
// Cursor is still — dim after the idle timeout has elapsed
let secondsIdle = Date().timeIntervalSince(lastCursorMovementDate)
if secondsIdle >= idleDimTimeoutSeconds && cursorIdleDimFactor >= 1.0 {
cursorIdleDimFactor = idleDimmedOpacity
}
}
}

// MARK: - Cursor Tracking

private func startTrackingCursor() {
timer = Timer.scheduledTimer(withTimeInterval: 0.016, repeats: true) { _ in
let mouseLocation = NSEvent.mouseLocation
self.isCursorOnThisScreen = self.screenFrame.contains(mouseLocation)
self.handleCursorMovementForIdleDimming(currentMouseLocation: mouseLocation)

// During forward flight or pointing, the buddy is NOT interrupted by
// mouse movement — it completes its full animation and return flight.
Expand Down