fix: preferences would not be live (closes #188)

closes #194

src/ui/App.swift

@@ -36,7 +36,7 @@ class App: NSApplication, NSApplicationDelegate {
         Preferences.registerDefaults()
         statusItem = Menubar.make(self)
         loadMainMenuXib()
-        initPreferencesDependentComponents()
+        thumbnailsPanel = ThumbnailsPanel()
         Spaces.initialDiscovery()
         Applications.initialDiscovery()
         Keyboard.listenToGlobalEvents(self)
@@ -55,8 +55,9 @@ class App: NSApplication, NSApplicationDelegate {
     }
 
     // we put application code here which should be executed on init() and Preferences change
-    func initPreferencesDependentComponents() {
-        thumbnailsPanel = ThumbnailsPanel(self)
+    func resetPreferencesDependentComponents() {
+        ThumbnailsView.recycledViews = ThumbnailsView.recycledViews.map { _ in ThumbnailView() }
+        thumbnailsPanel!.thumbnailsView.layer!.cornerRadius = Preferences.windowCornerRadius
     }
 
     func hideUi() {

src/ui/main-window/ThumbnailView.swift

@@ -22,7 +22,7 @@ class ThumbnailView: NSStackView {
         observeDragAndDrop()
     }
 
-    func updateRecycledCellWithNewContent(_ element: Window, _ mouseDownCallback: @escaping MouseDownCallback, _ mouseMovedCallback: @escaping MouseMovedCallback, _ newHeight: CGFloat,_ screen: NSScreen) {
+    func updateRecycledCellWithNewContent(_ element: Window, _ mouseDownCallback: @escaping MouseDownCallback, _ mouseMovedCallback: @escaping MouseMovedCallback, _ newHeight: CGFloat, _ screen: NSScreen) {
         window_ = element
 //        element.itemView = self
         if thumbnail.image != element.thumbnail {

src/ui/preferences-window/PreferencesWindow.swift

@@ -18,7 +18,10 @@ class PreferencesWindow: NSWindow {
         let newValue = LabelAndControl.getControlValue(senderControl)
         LabelAndControl.updateControlExtras(senderControl, newValue)
         Preferences.set(senderControl.identifier!.rawValue, newValue)
-        (App.shared as! App).initPreferencesDependentComponents()
+        // some preferences require re-creating some components
+        if ["iconSize", "fontHeight", "theme"].contains(where: { $0 == senderControl.identifier!.rawValue }) {
+            (App.shared as! App).resetPreferencesDependentComponents()
+        }
     }
 
     private func setupWindow() {