fix: reload tint colors while running

Sources/Conjure/TranslationController.swift

@@ -36,6 +36,9 @@ final class TranslationController: NSViewController {
     private let output = NSTextView()
     private let settingsButton = NSButton(title: "Open Translate Settings", target: nil, action: nil)
     private let status = NSTextField(wrappingLabelWithString: "")
+    private var statusIsError = false
+    private var outputSecondaryRange: NSRange?
+    private var themeObservation: ThemeObservation?
     private let translateButton = NSButton(title: "Translate", target: nil, action: nil)
     private var task: Task<Void, Never>?
     var input: (() -> String)?
@@ -179,6 +182,24 @@ final class TranslationController: NSViewController {
             footer.heightAnchor.constraint(equalToConstant: 36),
             scroll.heightAnchor.constraint(greaterThanOrEqualToConstant: 100),
         ])
+        themeObservation = ThemeObservation { [weak self, weak chevron] in
+            guard let self else { return }
+            self.providerButton.contentTintColor = ThemePalette.text
+            self.languageButton.contentTintColor = ThemePalette.text
+            chevron?.contentTintColor = ThemePalette.secondaryText
+            self.stylePill(self.providerControl)
+            self.sourcePreview.textColor = ThemePalette.secondaryText
+            self.status.textColor = self.statusIsError ? ThemePalette.error : ThemePalette.secondaryText
+            if let storage = self.output.textStorage {
+                storage.beginEditing()
+                storage.addAttribute(.foregroundColor, value: ThemePalette.text,
+                                     range: NSRange(location: 0, length: storage.length))
+                if let range = self.outputSecondaryRange {
+                    storage.addAttribute(.foregroundColor, value: ThemePalette.secondaryText, range: range)
+                }
+                storage.endEditing()
+            }
+        }
         inputChanged()
     }
 
@@ -266,6 +287,7 @@ final class TranslationController: NSViewController {
     func inputChanged() {
         cancelRequest()
         output.string = ""
+        outputSecondaryRange = nil
         let isEmpty = (input?() ?? "").trimmingCharacters(in: .whitespacesAndNewlines).isEmpty
         if textToTranslate != nil {
             translateButton.title = "Translate"
@@ -307,6 +329,7 @@ final class TranslationController: NSViewController {
     }
 
     private func setStatus(_ message: String, isError: Bool = false) {
+        statusIsError = isError
         status.stringValue = message
         status.textColor = isError ? ThemePalette.error : ThemePalette.secondaryText
     }
@@ -362,6 +385,7 @@ final class TranslationController: NSViewController {
             }
         }
         output.string = ""
+        outputSecondaryRange = nil
         setStatus("Translating…")
         translateButton.isEnabled = false
         let myMemoryTranslate = self.myMemory
@@ -379,6 +403,7 @@ final class TranslationController: NSViewController {
                     .foregroundColor: ThemePalette.text,
                 ])
                 if !myMemory, let separator = translation.range(of: "\n\n") {
+                    self.outputSecondaryRange = NSRange(separator.upperBound..<translation.endIndex, in: translation)
                     rendered.addAttributes([
                         .foregroundColor: ThemePalette.secondaryText,
                         .font: NSFont.systemFont(ofSize: 14),