feat: avoid disabling native command-tab (closes #834)

src/logic/events/KeyboardEvents.swift

@@ -21,13 +21,11 @@ class KeyboardEvents {
     static func addGlobalShortcut(_ controlId: String, _ shortcut: Shortcut) {
         addGlobalHandlerIfNeeded(shortcut)
         registerHotKeyIfNeeded(controlId, shortcut)
-        toggleNativeCommandTabIfNeeded(shortcut, false)
     }
 
     static func removeGlobalShortcut(_ controlId: String, _ shortcut: Shortcut) {
         unregisterHotKeyIfNeeded(controlId, shortcut)
         removeHandlerIfNeeded()
-        toggleNativeCommandTabIfNeeded(shortcut, true)
     }
 
     private static func unregisterHotKeyIfNeeded(_ controlId: String, _ shortcut: Shortcut) {
@@ -63,12 +61,6 @@ class KeyboardEvents {
         }
     }
 
-    private static func toggleNativeCommandTabIfNeeded(_ shortcut: Shortcut, _ enabled: Bool) {
-        if (shortcut.carbonModifierFlags == cmdKey || shortcut.carbonModifierFlags == (cmdKey | shiftKey)) && shortcut.carbonKeyCode == kVK_Tab {
-            setNativeCommandTabEnabled(enabled)
-        }
-    }
-
     static func addEventHandlers() {
         addLocalMonitorForKeyDownAndKeyUp()
         addCgEventTapForModifierFlags()

src/ui/preferences-window/tabs/ControlsTab.swift

@@ -110,6 +110,18 @@ class ControlsTab {
         if scope == .global {
             KeyboardEvents.addGlobalShortcut(controlId, atShortcut.shortcut)
         }
+        toggleNativeCommandTabIfNeeded()
+    }
+
+    private static func toggleNativeCommandTabIfNeeded() {
+        for atShortcut in shortcuts.values {
+            let shortcut = atShortcut.shortcut
+            if (shortcut.carbonModifierFlags == cmdKey || shortcut.carbonModifierFlags == (cmdKey | shiftKey)) && shortcut.carbonKeyCode == kVK_Tab {
+                setNativeCommandTabEnabled(false)
+                return
+            }
+        }
+        setNativeCommandTabEnabled(true)
     }
 
     @objc static func shortcutChangedCallback(_ sender: NSControl) {