added dialogview for custom dialogs

added nice green color
updated debug host
reduced sleep greatly
removed channel checker in sshqueasync loop
set dark mode on the app
gonna start work on async in sshhandler

Resources/Assets.xcassets/terminalGreen.colorset/Contents.json

@@ -0,0 +1,20 @@
+{
+  "colors" : [
+    {
+      "color" : {
+        "color-space" : "display-p3",
+        "components" : {
+          "alpha" : "1.000",
+          "blue" : "0.237",
+          "green" : "0.725",
+          "red" : "0.350"
+        }
+      },
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ShhShell.xcodeproj/project.pbxproj

@@ -32,6 +32,7 @@
 		A985545F2E056EDD009051BD /* KeychainLayer.swift in Sources */ = {isa = PBXBuildFile; fileRef = A985545E2E056EDD009051BD /* KeychainLayer.swift */; };
 		A98554612E058433009051BD /* HostsManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = A98554602E058433009051BD /* HostsManager.swift */; };
 		A98554632E0587DF009051BD /* HostsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A98554622E0587DF009051BD /* HostsView.swift */; };
+		A9B15A9A2E0ABA0400F66E02 /* DialogView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A9B15A992E0ABA0400F66E02 /* DialogView.swift */; };
 		A9C4140C2E096DB7005E3047 /* SSHError.swift in Sources */ = {isa = PBXBuildFile; fileRef = A9C4140B2E096DB7005E3047 /* SSHError.swift */; };
 		A9C897EF2DF1A9A400EF9A5F /* SSHHandler.swift in Sources */ = {isa = PBXBuildFile; fileRef = A9C897EE2DF1A9A400EF9A5F /* SSHHandler.swift */; };
 /* End PBXBuildFile section */
@@ -98,6 +99,7 @@
 		A985545E2E056EDD009051BD /* KeychainLayer.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = KeychainLayer.swift; sourceTree = "<group>"; };
 		A98554602E058433009051BD /* HostsManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HostsManager.swift; sourceTree = "<group>"; };
 		A98554622E0587DF009051BD /* HostsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HostsView.swift; sourceTree = "<group>"; };
+		A9B15A992E0ABA0400F66E02 /* DialogView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DialogView.swift; sourceTree = "<group>"; };
 		A9C4140B2E096DB7005E3047 /* SSHError.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SSHError.swift; sourceTree = "<group>"; };
 		A9C897EE2DF1A9A400EF9A5F /* SSHHandler.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SSHHandler.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -137,6 +139,7 @@
 			children = (
 				A92317292E07113100ECE1E6 /* TerminalController.swift */,
 				A923172E2E08851200ECE1E6 /* ShellView.swift */,
+				A9B15A992E0ABA0400F66E02 /* DialogView.swift */,
 				A923172C2E07138000ECE1E6 /* SSHTerminalView.swift */,
 			);
 			path = Terminal;
@@ -421,6 +424,7 @@
 				A98554632E0587DF009051BD /* HostsView.swift in Sources */,
 				A92538C82DEE0742007E0A18 /* ContentView.swift in Sources */,
 				A93143C02DF61B3200FCD5DB /* Host.swift in Sources */,
+				A9B15A9A2E0ABA0400F66E02 /* DialogView.swift in Sources */,
 				A92538C92DEE0742007E0A18 /* ShhShellApp.swift in Sources */,
 				A98554612E058433009051BD /* HostsManager.swift in Sources */,
 				A985545D2E055D4D009051BD /* ConnectionView.swift in Sources */,

ShhShell/Host/Host.swift

@@ -56,6 +56,15 @@ extension Host {
 		Host(address: "")
 	}
 	static var debug: Host {
-		Host(address: "localhost", username: "default", password: "")
+		Host(
+			address: "localhost",
+			port: 22,
+			username: "neon443",
+			password: "password",
+			publicKey: nil,
+			privateKey: nil,
+			passphrase: "",
+			hostkey: nil
+		)
 	}
 }

ShhShell/SSH/SSHHandler.swift

@@ -12,7 +12,8 @@ import SwiftUI
 
 class SSHHandler: @unchecked Sendable, ObservableObject {
 	private var session: ssh_session?
-	 var channel: ssh_channel?
+	private var channel: ssh_channel?
+	private let sshQueue = DispatchQueue(label: "SSH Queue")
 	
 	@Published var connected: Bool = false
 	@Published var authorized: Bool = false
@@ -332,22 +333,22 @@ class SSHHandler: @unchecked Sendable, ObservableObject {
 	}
 	
 	func readFromChannel() -> String? {
-		if !connected {
-			return nil
-		}
 		guard connected else { return nil }
 		guard ssh_channel_is_open(channel) != 0 || ssh_channel_is_eof(channel) == 0 else {
 			disconnect()
 			return nil
 		}
 		
-		var buffer: [CChar] = Array(repeating: 0, count: 512)
+		var buffer: [CChar] = Array(repeating: 0, count: 4096)
 		let nbytes = ssh_channel_read_nonblocking(channel, &buffer, UInt32(buffer.count), 0)
 		
 		guard nbytes > 0 else { return nil }
 		
 		let data = Data(bytes: buffer, count: Int(nbytes))
 		if let string = String(data: data, encoding: .utf8) {
+			#if DEBUG
+			print(String(data: Data(bytes: buffer, count: Int(nbytes)), encoding: .utf8)!)
+			#endif
 			return string
 		}
 		return nil

ShhShell/ShhShellApp.swift

@@ -20,6 +20,7 @@ struct ShhShellApp: App {
 				keyManager: keyManager,
 				hostsManager: hostsManager
 			)
+			.colorScheme(.dark)
 		}
 	}
 }

ShhShell/Views/Terminal/DialogView.swift

@@ -0,0 +1,67 @@
+//
+//  DialogView.swift
+//  ShhShell
+//
+//  Created by neon443 on 24/06/2025.
+//
+
+import SwiftUI
+
+struct DialogView: View {
+	@ObservedObject var handler: SSHHandler
+	@State var showDialog: Bool = true
+	@State var icon: String = "network.slash"
+	@State var headline: String = "Disconnected"
+	@State var text: String = "Connection to the SSH server has been lost, try reconnecting"
+	
+    var body: some View {
+		GeometryReader { geo in
+			let width = geo.size.width*0.75
+			let height = geo.size.height*0.15
+			if showDialog {
+				ZStack(alignment: .center) {
+					Color.black
+						.clipShape(RoundedRectangle(cornerRadius: 15))
+						.frame(maxWidth: width, maxHeight: height)
+						.shadow(color: .white, radius: 2)
+					HStack(alignment: .top) {
+						Image(systemName: icon)
+							.resizable().scaledToFit()
+							.frame(width: width*0.2)
+							.foregroundStyle(.terminalGreen)
+							.symbolRenderingMode(.hierarchical)
+						VStack(alignment: .leading) {
+							Text(headline)
+								.foregroundStyle(.terminalGreen)
+								.font(.title2)
+								.bold()
+							Text(text)
+								.foregroundStyle(.terminalGreen)
+								.font(.footnote)
+						}
+						.frame(width: width*0.7)
+					}
+					.frame(maxWidth: width, maxHeight: height)
+				}
+				.transition(
+					.asymmetric(
+						insertion: .move(edge: .bottom),
+						removal: .move(edge: .bottom)
+					)
+					.combined(with: .opacity)
+				)
+				.frame(maxWidth: .infinity, maxHeight: .infinity)
+			}
+		}
+		Button("show button") {
+			withAnimation { showDialog.toggle() }
+		}
+	}
+}
+
+#Preview {
+	ZStack {
+		Color.black
+		DialogView(handler: SSHHandler(host: Host.debug))
+	}
+}

ShhShell/Views/Terminal/SSHTerminalView.swift

@@ -26,7 +26,6 @@ final class SSHTerminalView: TerminalView, Sendable, @preconcurrency TerminalVie
 		terminalDelegate = self
 		sshQueue.async {
 			guard let handler = self.handler else { return }
-			guard handler.channel != nil else { return }
 			
 			while handler.connected {
 				if let read = handler.readFromChannel() {
@@ -35,7 +34,7 @@ final class SSHTerminalView: TerminalView, Sendable, @preconcurrency TerminalVie
 						await self.feed(text: read)
 					}
 				} else {
-					usleep(100_000)
+					usleep(1_000)
 				}
 //				self?.setNeedsDisplay()
 			}

ShhShell/Views/Terminal/ShellView.swift

@@ -13,6 +13,9 @@ struct ShellView: View {
     var body: some View {
 		NavigationStack {
 			ZStack {
+				if !handler.connected {
+					DialogView(handler: handler, showDialog: !handler.connected)
+				}
 				TerminalController(handler: handler)
 			}
 			.toolbar {