added selecting and applying themes

added selectTheme to set the selectedtheme index
added isthemeselected to check if a theme is selected
applytheme takes an index now

ui needs work lol - cant select default, and selction doesnt save between sessions

ShhShell/Host/HostsManager.swift

@@ -14,6 +14,7 @@ class HostsManager: ObservableObject, @unchecked Sendable {
 	
 	@Published var hosts: [Host] = []
 	@Published var themes: [Theme] = []
+	@Published var selectedThemeIndex: Int = -1
 	
 	init() {
 		loadHosts()
@@ -48,6 +49,19 @@ class HostsManager: ObservableObject, @unchecked Sendable {
 		task.resume()
 	}
 	
+	func selectTheme(_ selectedTheme: Theme) {
+		guard let index = themes.firstIndex(where: { $0 == selectedTheme }) else {
+			withAnimation { selectedThemeIndex = -1 }
+			return
+		}
+		withAnimation { selectedThemeIndex = index }
+	}
+	
+	func isThemeSelected(_ themeInQuestion: Theme) -> Bool {
+		guard let index = themes.firstIndex(where: { $0 == themeInQuestion }) else { return false }
+		return index == selectedThemeIndex 
+	}
+	
 	func renameTheme(_ theme: Theme?, to newName: String) {
 		guard let theme else { return }
 		guard theme.name != newName else { return }

ShhShell/Views/Hosts/ConnectionView.swift

@@ -185,7 +185,7 @@ struct ConnectionView: View {
 		}
 		.onAppear {
 			if shellView == nil {
-				shellView = ShellView(handler: handler)
+				shellView = ShellView(handler: handler, hostsManager: hostsManager)
 			}
 		}
 		.onAppear {

ShhShell/Views/Hosts/HostsView.swift

@@ -21,7 +21,7 @@ struct HostsView: View {
 		NavigationLink() {
 			ForEach(hostsManager.hosts) { host in
 				let miniHandler = SSHHandler(host: host)
-				TerminalController(handler: miniHandler)
+				TerminalController(handler: miniHandler, hostsManager: hostsManager)
 					.onAppear { miniHandler.go() }
 			}
 		} label: {

ShhShell/Views/Terminal/SSHTerminalDelegate.swift

@@ -12,10 +12,14 @@ import SwiftTerm
 @MainActor
 final class SSHTerminalDelegate: TerminalView, Sendable, @preconcurrency TerminalViewDelegate {
 	var handler: SSHHandler?
+	var hostsManager: HostsManager?
 	
-	public convenience init(frame: CGRect, handler: SSHHandler) {
+	public convenience init(frame: CGRect, handler: SSHHandler, hostsManager: HostsManager) {
 		self.init(frame: frame)
 		self.handler = handler
+		self.hostsManager = hostsManager
+		
+		applyTheme(index: hostsManager.selectedThemeIndex)
 		
 		DispatchQueue.main.async {
 			Task {
@@ -48,7 +52,11 @@ final class SSHTerminalDelegate: TerminalView, Sendable, @preconcurrency Termina
 		}
 	}
 	
-	func applyTheme(_ theme: Theme) {
+	func applyTheme(index themeIndex: Int) {
+		guard themeIndex != -1 else { return }
+		guard let hostsManager = hostsManager else { return }
+		
+		let theme = hostsManager.themes[themeIndex]
 		getTerminal().installPalette(colors: theme.ansi)
 		getTerminal().foregroundColor = theme.foreground
 		getTerminal().backgroundColor = theme.background

ShhShell/Views/Terminal/ShellView.swift

@@ -9,13 +9,14 @@ import SwiftUI
 
 struct ShellView: View {
 	@ObservedObject var handler: SSHHandler
+	@ObservedObject var hostsManager: HostsManager
 	
 	@Environment(\.dismiss) var dismiss
 	
     var body: some View {
 		NavigationStack {
 			ZStack {
-				TerminalController(handler: handler)
+				TerminalController(handler: handler, hostsManager: hostsManager)
 					.onAppear {
 						TerminalController.TerminalViewContainer.shared?.restoreScrollback()
 					}
@@ -61,5 +62,8 @@ struct ShellView: View {
 }
 
 #Preview {
-	ShellView(handler: SSHHandler(host: Host.debug))
+	ShellView(
+		handler: SSHHandler(host: Host.debug),
+		hostsManager: HostsManager()
+	)
 }

ShhShell/Views/Terminal/TerminalController.swift

@@ -12,6 +12,7 @@ import SwiftTerm
 
 struct TerminalController: UIViewRepresentable {
 	@ObservedObject var handler: SSHHandler
+	@ObservedObject var hostsManager: HostsManager
 	
 	final class TerminalViewContainer {
 		@MainActor static var shared: SSHTerminalDelegate?
@@ -22,7 +23,11 @@ struct TerminalController: UIViewRepresentable {
 			return existing
 		}
 		
-		let tv = SSHTerminalDelegate(frame: CGRect(origin: CGPoint(x: 0, y: 0), size: .zero), handler: handler)
+		let tv = SSHTerminalDelegate(
+			frame: CGRect(origin: CGPoint(x: 0, y: 0), size: .zero),
+			handler: handler,
+			hostsManager: hostsManager
+		)
 		tv.translatesAutoresizingMaskIntoConstraints = false
 		tv.autoresizingMask = [.flexibleWidth, .flexibleHeight]
 		

ShhShell/Views/Themes/ThemeManagerView.swift

@@ -31,6 +31,10 @@ struct ThemeManagerView: View {
 					LazyHGrid(rows: [grid, grid], alignment: .center, spacing: 8) {
 						ForEach(hostsManager.themes) { theme in
 							ThemePreview(theme: theme)
+								.scaleEffect(hostsManager.isThemeSelected(theme) ? 1.2 : 1)
+								.onTapGesture {
+									hostsManager.selectTheme(theme)
+								}
 								.contextMenu {
 									Button() {
 										themeToRename = theme