Add TextCursorTracker environment key

Author: intitni

Core/Sources/SuggestionWidget/SuggestionPanelContent/CodeBlockSuggestionPanel.swift

@@ -31,7 +31,7 @@ public struct PresentingCodeSuggestion: Equatable {
 
 struct CodeBlockSuggestionPanel: View {
     let suggestion: PresentingCodeSuggestion
-    @Environment(TextCursorTracker.self) var textCursorTracker
+    @Environment(\.textCursorTracker) var textCursorTracker
     @Environment(\.colorScheme) var colorScheme
     @AppStorage(\.suggestionCodeFont) var codeFont
     @AppStorage(\.suggestionDisplayCompactMode) var suggestionDisplayCompactMode

Core/Sources/SuggestionWidget/TextCursorTracker.swift

@@ -3,6 +3,7 @@ import Foundation
 import Perception
 import SuggestionBasic
 import XcodeInspector
+import SwiftUI
 
 /// A passive tracker that observe the changes of the source editor content.
 @Perceptible
@@ -38,8 +39,13 @@ final class TextCursorTracker {
     deinit {
         eventObservationTask?.cancel()
     }
+    
+    var isPreview: Bool {
+        ProcessInfo.processInfo.environment["XCODE_RUNNING_FOR_PREVIEWS"] == "1"
+    }
 
     private func observeAppChange() {
+        if isPreview { return }
         editorObservationTask = []
         Task {
             await XcodeInspector.shared.safe.$focusedEditor.sink { [weak self] editor in
@@ -52,6 +58,7 @@ final class TextCursorTracker {
     }
 
     private func observeAXNotifications(_ editor: SourceEditor) {
+        if isPreview { return }
         eventObservationTask?.cancel()
         let content = editor.getLatestEvaluatedContent()
         Task { @MainActor in
@@ -70,3 +77,13 @@ final class TextCursorTracker {
     }
 }
 
+struct TextCursorTrackerEnvironmentKey: EnvironmentKey {
+    static var defaultValue: TextCursorTracker = .init()
+}
+
+extension EnvironmentValues {
+    var textCursorTracker: TextCursorTracker {
+        get { self[TextCursorTrackerEnvironmentKey.self] }
+        set { self[TextCursorTrackerEnvironmentKey.self] = newValue }
+    }
+}

Core/Sources/SuggestionWidget/WidgetWindowsController.swift

@@ -651,7 +651,6 @@ public final class WidgetWindows {
     let store: StoreOf<WidgetFeature>
     let chatTabPool: ChatTabPool
     weak var controller: WidgetWindowsController?
-    let cursorPositionTracker = TextCursorTracker()
 
     // you should make these window `.transient` so they never show up in the mission control.
 
@@ -721,7 +720,7 @@ public final class WidgetWindows {
                     state: \.sharedPanelState,
                     action: \.sharedPanel
                 )
-            ).environment(cursorPositionTracker)
+            )
         )
         it.setIsVisible(true)
         it.canBecomeKeyChecker = { [store] in
@@ -754,7 +753,7 @@ public final class WidgetWindows {
                     state: \.suggestionPanelState,
                     action: \.suggestionPanel
                 )
-            ).environment(cursorPositionTracker)
+            )
         )
         it.canBecomeKeyChecker = { false }
         it.setIsVisible(true)