feat: add preference to show only non-active apps (closes #4691)

resources/l10n/Localizable.strings

@@ -289,6 +289,9 @@
 /* No comment provided by engineer. */
 "Never send crash reports" = "Never send crash reports";
 
+/* No comment provided by engineer. */
+"Non-active apps" = "Non-active apps";
+
 /* No comment provided by engineer. */
 "Normal" = "Normal";
 

src/logic/MacroPreferences.swift

@@ -362,11 +362,13 @@ enum WindowOrderPreference: CaseIterable, MacroPreference {
 enum AppsToShowPreference: CaseIterable, MacroPreference {
     case all
     case active
+    case nonActive
 
     var localizedString: LocalizedString {
         switch self {
             case .all: return NSLocalizedString("All apps", comment: "")
             case .active: return NSLocalizedString("Active app", comment: "")
+            case .nonActive: return NSLocalizedString("Non-active apps", comment: "")
         }
     }
 }

src/logic/Preferences.swift

@@ -59,7 +59,7 @@ class Preferences {
         "showTitles": ShowTitlesPreference.windowTitle.indexAsString,
         "appsToShow": AppsToShowPreference.all.indexAsString,
         "appsToShow2": AppsToShowPreference.active.indexAsString,
-        "appsToShow3": AppsToShowPreference.all.indexAsString,
+        "appsToShow3": AppsToShowPreference.nonActive.indexAsString,
         "appsToShow4": AppsToShowPreference.all.indexAsString,
         "spacesToShow": SpacesToShowPreference.all.indexAsString,
         "spacesToShow2": SpacesToShowPreference.all.indexAsString,

src/logic/Windows.swift

@@ -365,6 +365,7 @@ class Windows {
                 }
             } ?? false) &&
             !(Preferences.appsToShow[App.app.shortcutIndex] == .active && window.application.pid != NSWorkspace.shared.frontmostApplication?.processIdentifier) &&
+            !(Preferences.appsToShow[App.app.shortcutIndex] == .nonActive && window.application.pid == NSWorkspace.shared.frontmostApplication?.processIdentifier) &&
             !(!(Preferences.showHiddenWindows[App.app.shortcutIndex] != .hide) && window.isHidden) &&
             ((Preferences.showWindowlessApps[App.app.shortcutIndex] != .hide && window.isWindowlessApp) ||
                 !window.isWindowlessApp &&