Add basic network feature.

Basic implementation of a WebSocket protocol with JSON.

Note : obfuscation & release build are deactivated again. Netty (needed for Ktor server) is a nightmare to build in release with or without proguard.
Spend more time until now on project configuration that in actual prototyping.

composeApp/build.gradle.kts

@@ -5,6 +5,8 @@ plugins {
     alias(libs.plugins.kotlinSerialization)
     alias(libs.plugins.composeMultiplatform)
     alias(libs.plugins.composeCompiler)
+//    kotlin("jvm") version "1.9.20"
+//    alias(libs.plugins.kotlinKtor)
 }
 
 kotlin {
@@ -24,6 +26,12 @@ kotlin {
             implementation(libs.androidx.lifecycle.runtime.compose)
             implementation(libs.androidx.navigation.compose)
             implementation(libs.kotlinx.serialization.json)
+            implementation(libs.ktor.client.core)
+            implementation(libs.ktor.client.cio)
+            implementation(libs.ktor.client.websockets)
+            implementation(libs.ktor.server.core)
+            implementation(libs.ktor.server.netty)
+            implementation(libs.ktor.server.websockets)
         }
 
         commonTest.dependencies {
@@ -53,12 +61,12 @@ compose.desktop {
 
             includeAllModules = true
 
-            // Use system theming fot the app toolbars.
+            // Use system theming for the app toolbars.
             jvmArgs("-Dapple.awt.application.appearance=system")
         }
 
         buildTypes.release.proguard {
-            obfuscate.set(true) // Obfuscation crash at runtime when try to use datastore.
+            obfuscate.set(false) // Obfuscation doesn't work because of netty.
             configurationFiles.from(project.file("compose-desktop.pro"))
         }
     }

composeApp/compose-desktop.pro

@@ -1,5 +1,3 @@
-## Data Store old dependancies not removed properly.
--dontwarn okio.AsyncTimeout$Watchdog
 
 -keep class androidx.compose.runtime.** { *; }
 -keep class androidx.collection.** { *; }

composeApp/src/commonMain/composeResources/values/strings.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <resources>
     <string name="main_page__create_action">Créer une feuille de personnage</string>
+    <string name="main_page__network_action">Configuration réseau</string>
 
     <string name="roll_page__critical_success">Réussite critique</string>
     <string name="roll_page__special_success">Réussite spéciale</string>
@@ -65,4 +66,19 @@
     <string name="character_sheet__skills__title">Compétences</string>
     <string name="character_sheet__occupations_title">Occupations</string>
     <string name="character_sheet__magics__title">Compétences magiques</string>
+
+    <string name="network__title">Configuration réseau</string>
+    <string name="network__player_name__label">Nom du joueur</string>
+    <string name="network__host__label">host</string>
+    <string name="network__port__label">port</string>
+    <string name="network__socket__connect_action">Se connecter à la table</string>
+    <string name="network__socket__host_action">Héberger la table</string>
+    <string name="network__socket__disconnect_action">Se déconnecter</string>
+    <string name="network__socket__status_state">État de connexion : %1$s</string>
+    <string name="network__socket__status_connected">Connecté</string>
+    <string name="network__socket__status_disconnected">Disconnecté</string>
+    <string name="network__socket__type_state">Type de connexion : %1$s</string>
+    <string name="network__socket__type_server">Serveur</string>
+    <string name="network__socket__type_client">Client</string>
+    <string name="network__socket__type_none">Aucun</string>
 </resources>

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/App.kt

@@ -3,19 +3,58 @@ package com.pixelized.desktop.lwa
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.material.Surface
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.Stable
+import androidx.compose.runtime.compositionLocalOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.ApplicationScope
+import androidx.compose.ui.window.Window
+import androidx.compose.ui.window.rememberWindowState
 import com.pixelized.desktop.lwa.navigation.MainNavHost
 import com.pixelized.desktop.lwa.theme.LwaTheme
 import org.jetbrains.compose.ui.tooling.preview.Preview
 
+val LocalWindowController = compositionLocalOf<WindowController> {
+    error("Local Window Controller is not yet ready")
+}
+
+@Stable
+data class WindowController(
+    private val onCloseRequest: () -> Unit
+) {
+    fun close() = onCloseRequest()
+}
+
 @Composable
 @Preview
-fun App() {
-    LwaTheme {
-        Surface(
-            modifier = Modifier.fillMaxSize()
+fun ApplicationScope.App() {
+    val controller = remember {
+        WindowController(
+            onCloseRequest = ::exitApplication
+        )
+    }
+    CompositionLocalProvider(
+        LocalWindowController provides controller,
+    ) {
+        Window(
+            onCloseRequest = {
+                controller.close()
+            },
+            state = rememberWindowState(
+                width = 320.dp + 64.dp,
+                height = 900.dp,
+            ),
+            title = "LwaCharacterSheet",
         ) {
-            MainNavHost()
+            LwaTheme {
+                Surface(
+                    modifier = Modifier.fillMaxSize()
+                ) {
+                    MainNavHost()
+                }
+            }
         }
     }
 }

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/navigation/MainNavHost.kt

@@ -7,11 +7,10 @@ import androidx.navigation.NavHostController
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.rememberNavController
 import com.pixelized.desktop.lwa.navigation.destination.MainDestination
-import com.pixelized.desktop.lwa.navigation.destination.composableCharacterSheetEditPage
-import com.pixelized.desktop.lwa.navigation.destination.composableCharacterSheetPage
 import com.pixelized.desktop.lwa.navigation.destination.composableMainPage
+import com.pixelized.desktop.lwa.navigation.destination.composableNetworkPage
 
-val LocalScreen = compositionLocalOf<NavHostController> {
+val LocalScreenController = compositionLocalOf<NavHostController> {
     error("MainNavHost controller is not yet ready")
 }
 
@@ -21,16 +20,14 @@ fun MainNavHost(
     startDestination: String = MainDestination.navigationRoute(),
 ) {
     CompositionLocalProvider(
-        LocalScreen provides controller,
+        LocalScreenController provides controller,
     ) {
         NavHost(
             navController = controller,
             startDestination = startDestination,
         ) {
             composableMainPage()
-
-            composableCharacterSheetPage()
-            composableCharacterSheetEditPage()
+            composableNetworkPage()
         }
     }
 }

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/navigation/destination/NetworkDestination.kt

@@ -0,0 +1,26 @@
+package com.pixelized.desktop.lwa.navigation.destination
+
+import androidx.navigation.NavGraphBuilder
+import androidx.navigation.NavHostController
+import androidx.navigation.compose.composable
+import com.pixelized.desktop.lwa.screen.network.NetworkPage
+
+object NetworkDestination {
+    private const val ROUTE = "network"
+
+    fun baseRoute() = ROUTE
+    fun navigationRoute() = ROUTE
+}
+
+fun NavGraphBuilder.composableNetworkPage() {
+    composable(
+        route = NetworkDestination.baseRoute(),
+    ) {
+        NetworkPage()
+    }
+}
+
+fun NavHostController.navigateToNetwork() {
+    val route = NetworkDestination.navigationRoute()
+    navigate(route = route)
+}

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/repository/network/NetworkRepository.kt

@@ -0,0 +1,170 @@
+package com.pixelized.desktop.lwa.repository.network
+
+import com.pixelized.desktop.lwa.repository.network.helper.client
+import com.pixelized.desktop.lwa.repository.network.helper.connectWebSocket
+import com.pixelized.desktop.lwa.repository.network.helper.server
+import com.pixelized.desktop.lwa.repository.network.protocol.Message
+import io.ktor.client.HttpClient
+import io.ktor.server.engine.EmbeddedServer
+import io.ktor.server.netty.NettyApplicationEngine
+import io.ktor.websocket.Frame
+import io.ktor.websocket.readText
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.channels.consumeEach
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asSharedFlow
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.encodeToJsonElement
+
+typealias Server = EmbeddedServer<NettyApplicationEngine, NettyApplicationEngine.Configuration>
+typealias Client = HttpClient
+
+object NetworkRepository {
+    private val scope = CoroutineScope(Dispatchers.IO)
+    private var networkJob: Job? = null
+    private var server: Server? = null
+    private var client: Client? = null
+
+    private val messageResponseFlow = MutableSharedFlow<String>()
+    private val sharedFlow = messageResponseFlow.asSharedFlow()
+
+    private val _player = MutableStateFlow("")
+    val player: StateFlow<String> get() = _player
+
+    private val _status = MutableStateFlow(Status.DISCONNECTED)
+    val status: StateFlow<Status> get() = _status
+
+    private val _type = MutableStateFlow(Type.NONE)
+    val type: StateFlow<Type> get() = _type
+
+    fun onPlayerNameChange(player: String) {
+        _player.value = player
+    }
+
+    fun host(
+        port: Int,
+    ) {
+        _type.value = Type.SERVER
+        _status.value = Status.CONNECTED
+
+        server = server(port = port) {
+            println("Server launched")
+
+            val job = launch {
+                sharedFlow.collect { message ->
+                    println("Broadcast: $message")
+                    send(Frame.Text(message))
+                }
+            }
+
+            runCatching {
+                incoming.consumeEach { frame ->
+                    if (frame is Frame.Text) {
+                        val receivedText = frame.readText()
+                        messageResponseFlow.emit(receivedText)
+                    }
+                }
+            }.onFailure { exception ->
+                // TODO
+                println("WebSocket exception: ${exception.localizedMessage}")
+            }.also {
+                job.cancel()
+            }
+        }
+
+        networkJob?.cancel()
+        networkJob = scope.launch {
+            try {
+                server?.start(wait = true)
+            } catch (exception: Exception) {
+                // TODO
+                println("WebSocket exception: ${exception.localizedMessage}")
+            } finally {
+                println("Server close")
+                _type.value = Type.NONE
+                _status.value = Status.DISCONNECTED
+            }
+        }
+    }
+
+    fun connect(
+        host: String,
+        port: Int,
+    ) {
+        client = client()
+
+        networkJob?.cancel()
+        networkJob = scope.launch {
+            try {
+                client?.connectWebSocket(host = host, port = port) {
+                    _type.value = Type.CLIENT
+                    _status.value = Status.CONNECTED
+                    println("Client launched")
+
+                    val job = launch {
+                        sharedFlow.collect { message ->
+                            println("Send: $message")
+                            send(Frame.Text(message))
+                        }
+                    }
+
+                    runBlocking {
+                        incoming.consumeEach { frame ->
+                            if (frame is Frame.Text) {
+                                val receivedText = frame.readText()
+                                println("client received: $receivedText")
+                            }
+                        }
+                    }.also {
+                        job.cancel()
+                    }
+                }
+            } catch (exception: Exception) {
+                // TODO
+                println("WebSocket exception: ${exception.localizedMessage}")
+            } finally {
+                println("Client close")
+                _type.value = Type.NONE
+                _status.value = Status.DISCONNECTED
+            }
+        }
+    }
+
+    fun disconnect() {
+        networkJob?.cancel()
+        scope.launch {
+            server?.stop()
+            client?.close()
+        }
+    }
+
+    fun share(
+        type: String,
+        value: String,
+    ) {
+        if (status.value == Status.CONNECTED) {
+            scope.launch {
+                val message = Message(from = player.value, type = type, value = value)
+                val json = Json.encodeToJsonElement(message)
+                messageResponseFlow.emit(json.toString())
+            }
+        }
+    }
+
+    enum class Status {
+        CONNECTED,
+        DISCONNECTED
+    }
+
+    enum class Type {
+        CLIENT,
+        SERVER,
+        NONE,
+    }
+}

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/repository/network/helper/Client.kt

@@ -0,0 +1,32 @@
+package com.pixelized.desktop.lwa.repository.network.helper
+
+import io.ktor.client.HttpClient
+import io.ktor.client.engine.cio.CIO
+import io.ktor.client.plugins.websocket.DefaultClientWebSocketSession
+import io.ktor.client.plugins.websocket.WebSockets
+import io.ktor.client.plugins.websocket.webSocket
+import io.ktor.http.HttpMethod
+
+// https://ktor.io/docs/client-websockets.html#handle-session
+fun client(): HttpClient {
+    val client = HttpClient(CIO) {
+        install(WebSockets) {
+            pingIntervalMillis = 20_000
+        }
+    }
+    return client
+}
+
+suspend fun HttpClient.connectWebSocket(
+    host: String,
+    port: Int,
+    block: suspend DefaultClientWebSocketSession.() -> Unit
+) {
+    webSocket(
+        method = HttpMethod.Get,
+        host = host,
+        port = port,
+        path = "/ws",
+        block = block,
+    )
+}

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/repository/network/helper/Server.kt

@@ -0,0 +1,39 @@
+package com.pixelized.desktop.lwa.repository.network.helper
+
+import io.ktor.server.application.install
+import io.ktor.server.engine.EmbeddedServer
+import io.ktor.server.engine.embeddedServer
+import io.ktor.server.netty.Netty
+import io.ktor.server.netty.NettyApplicationEngine
+import io.ktor.server.routing.routing
+import io.ktor.server.websocket.DefaultWebSocketServerSession
+import io.ktor.server.websocket.WebSockets
+import io.ktor.server.websocket.pingPeriod
+import io.ktor.server.websocket.timeout
+import io.ktor.server.websocket.webSocket
+import kotlin.time.Duration.Companion.seconds
+
+// https://ktor.io/docs/server-websockets.html#handle-multiple-session
+fun server(
+    port: Int = 8080,
+    handler: suspend DefaultWebSocketServerSession.() -> Unit
+): EmbeddedServer<NettyApplicationEngine, NettyApplicationEngine.Configuration> {
+    return embeddedServer(
+        factory = Netty,
+        port = port,
+        module = {
+            install(WebSockets) {
+                pingPeriod = 15.seconds
+                timeout = 15.seconds
+                maxFrameSize = Long.MAX_VALUE
+                masking = false
+            }
+            routing {
+                webSocket(
+                    path = "/ws",
+                    handler = handler,
+                )
+            }
+        },
+    )
+}

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/repository/network/protocol/Message.kt

@@ -0,0 +1,10 @@
+package com.pixelized.desktop.lwa.repository.network.protocol
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+class Message(
+    val from: String,
+    val type: String,
+    val value: String,
+)

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/screen/characterSheet/CharacterSheetNavHost.kt

@@ -0,0 +1,35 @@
+package com.pixelized.desktop.lwa.screen.characterSheet
+
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material.Surface
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.ui.Modifier
+import androidx.navigation.NavHostController
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.rememberNavController
+import com.pixelized.desktop.lwa.navigation.LocalScreenController
+import com.pixelized.desktop.lwa.navigation.destination.composableCharacterSheetEditPage
+import com.pixelized.desktop.lwa.navigation.destination.composableCharacterSheetPage
+
+@Composable
+fun CharacterSheetMainNavHost(
+    controller: NavHostController = rememberNavController(),
+    startDestination: String,
+) {
+    CompositionLocalProvider(
+        LocalScreenController provides controller,
+    ) {
+        Surface(
+            modifier = Modifier.fillMaxSize(),
+        ) {
+            NavHost(
+                navController = controller,
+                startDestination = startDestination,
+            ) {
+                composableCharacterSheetPage()
+                composableCharacterSheetEditPage()
+            }
+        }
+    }
+}

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/screen/characterSheet/detail/CharacterSheetPage.kt

@@ -4,13 +4,12 @@ import androidx.compose.foundation.ScrollState
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.ExperimentalLayoutApi
-import androidx.compose.foundation.layout.FlowRow
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.heightIn
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
@@ -36,14 +35,14 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.text.style.TextOverflow
-import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.createSavedStateHandle
 import androidx.lifecycle.viewmodel.compose.viewModel
+import com.pixelized.desktop.lwa.LocalWindowController
 import com.pixelized.desktop.lwa.composable.decoratedBox.DecoratedBox
 import com.pixelized.desktop.lwa.composable.overlay.BlurOverlay
 import com.pixelized.desktop.lwa.composable.overlay.BlurOverlayViewModel
-import com.pixelized.desktop.lwa.navigation.LocalScreen
+import com.pixelized.desktop.lwa.navigation.LocalScreenController
 import com.pixelized.desktop.lwa.navigation.destination.navigateToCharacterSheetEdit
 import com.pixelized.desktop.lwa.screen.roll.RollPage
 import com.pixelized.desktop.lwa.screen.roll.RollViewModel
@@ -95,7 +94,8 @@ fun CharacterSheetPage(
     overlayViewModel: BlurOverlayViewModel = viewModel { BlurOverlayViewModel() },
     rollViewModel: RollViewModel = viewModel { RollViewModel() },
 ) {
-    val screen = LocalScreen.current
+    val window = LocalWindowController.current
+    val screen = LocalScreenController.current
     val scope = rememberCoroutineScope()
 
     Surface(
@@ -123,7 +123,9 @@ fun CharacterSheetPage(
                         onDelete = {
                             scope.launch {
                                 viewModel.deleteCharacter(id = sheet.id)
-                                screen.popBackStack()
+                                if (screen.popBackStack().not()) {
+                                    window.close()
+                                }
                             }
                         },
                         onCharacteristic = { characteristic ->
@@ -148,12 +150,10 @@ fun CharacterSheetPage(
     }
 }
 
-@OptIn(ExperimentalLayoutApi::class)
 @Composable
 fun CharacterSheetPageContent(
     modifier: Modifier = Modifier,
     scrollState: ScrollState = rememberScrollState(),
-    width: Dp = 320.dp,
     characterSheet: CharacterSheetPageUio,
     onBack: () -> Unit,
     onEdit: () -> Unit,
@@ -163,6 +163,7 @@ fun CharacterSheetPageContent(
     onRoll: (roll: CharacterSheetPageUio.Roll) -> Unit,
 ) {
     Scaffold(
+        modifier = modifier,
         topBar = {
             TopAppBar(
                 title = {
@@ -203,115 +204,131 @@ fun CharacterSheetPageContent(
             )
         },
         content = { paddingValues ->
-            Column(
+            Row(
                 modifier = Modifier
-                    .verticalScroll(state = scrollState).padding(all = 16.dp)
+                    .verticalScroll(state = scrollState)
                     .padding(paddingValues)
-                    .then(other = modifier),
-                verticalArrangement = Arrangement.spacedBy(space = 16.dp),
-                horizontalAlignment = Alignment.CenterHorizontally,
+                    .padding(horizontal = 24.dp, vertical = 16.dp),
+                horizontalArrangement = Arrangement.spacedBy(space = 16.dp),
             ) {
-                FlowRow(
-                    maxItemsInEachRow = 3,
-                    horizontalArrangement = Arrangement.spacedBy(
-                        space = 16.dp,
-                        alignment = Alignment.CenterHorizontally,
-                    ),
+                Column(
+                    modifier = Modifier
+                        .fillMaxHeight()
+                        .width(100.dp),
                     verticalArrangement = Arrangement.spacedBy(space = 16.dp),
                 ) {
                     characterSheet.characteristics.forEach {
                         Stat(
-                            modifier = Modifier.width(width = width / 3 - 32.dp)
-                                .height(height = 112.dp),
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .heightIn(min = 120.dp),
                             characteristic = it,
                             onClick = { onCharacteristic(it) },
                         )
                     }
                 }
-                DecoratedBox(
-                    modifier = Modifier.width(width = width).padding(vertical = 8.dp),
+                Column(
+                    modifier = Modifier
+                        .fillMaxHeight()
+                        .weight(2f / 3f),
+                    verticalArrangement = Arrangement.spacedBy(space = 16.dp),
+                    horizontalAlignment = Alignment.CenterHorizontally,
                 ) {
-                    Column {
-                        Text(
-                            modifier = Modifier.fillMaxWidth().padding(bottom = 8.dp),
-                            style = MaterialTheme.typography.caption,
-                            textAlign = TextAlign.Center,
-                            text = stringResource(Res.string.character_sheet__sub_characteristics__title),
-                        )
-                        characterSheet.subCharacteristics.forEach {
-                            Characteristics(
-                                modifier = Modifier.fillMaxWidth(),
-                                characteristic = it,
+                    DecoratedBox(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(vertical = 8.dp),
+                    ) {
+                        Column {
+                            Text(
+                                modifier = Modifier.fillMaxWidth().padding(bottom = 8.dp),
+                                style = MaterialTheme.typography.caption,
+                                textAlign = TextAlign.Center,
+                                text = stringResource(Res.string.character_sheet__sub_characteristics__title),
                             )
+                            characterSheet.subCharacteristics.forEach {
+                                Characteristics(
+                                    modifier = Modifier.fillMaxWidth(),
+                                    characteristic = it,
+                                )
+                            }
                         }
                     }
-                }
-                DecoratedBox(
-                    modifier = Modifier.width(width = width).padding(vertical = 8.dp),
-                ) {
-                    Column {
-                        Text(
-                            modifier = Modifier.fillMaxWidth().padding(bottom = 8.dp),
-                            style = MaterialTheme.typography.caption,
-                            textAlign = TextAlign.Center,
-                            text = stringResource(Res.string.character_sheet__skills__title),
-                        )
-                        characterSheet.skills.forEach {
-                            Skill(
-                                modifier = Modifier.fillMaxWidth(),
-                                label = it.label,
-                                value = it.value,
-                                onClick = { onSkill(it) },
+                    DecoratedBox(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(vertical = 8.dp),
+                    ) {
+                        Column {
+                            Text(
+                                modifier = Modifier
+                                    .fillMaxWidth()
+                                    .padding(bottom = 8.dp),
+                                style = MaterialTheme.typography.caption,
+                                textAlign = TextAlign.Center,
+                                text = stringResource(Res.string.character_sheet__skills__title),
                             )
+                            characterSheet.skills.forEach {
+                                Skill(
+                                    modifier = Modifier.fillMaxWidth(),
+                                    label = it.label,
+                                    value = it.value,
+                                    onClick = { onSkill(it) },
+                                )
+                            }
                         }
                     }
-                }
-                DecoratedBox(
-                    modifier = Modifier.width(width = width).padding(vertical = 8.dp),
-                ) {
-                    Column {
-                        Text(
-                            modifier = Modifier.fillMaxWidth().padding(bottom = 8.dp),
-                            style = MaterialTheme.typography.caption,
-                            textAlign = TextAlign.Center,
-                            text = stringResource(Res.string.character_sheet__occupations_title),
-                        )
-                        characterSheet.occupations.forEach {
-                            Skill(
-                                modifier = Modifier.fillMaxWidth(),
-                                label = it.label,
-                                value = it.value,
-                                onClick = { onSkill(it) },
+                    DecoratedBox(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(vertical = 8.dp),
+                    ) {
+                        Column {
+                            Text(
+                                modifier = Modifier.fillMaxWidth().padding(bottom = 8.dp),
+                                style = MaterialTheme.typography.caption,
+                                textAlign = TextAlign.Center,
+                                text = stringResource(Res.string.character_sheet__occupations_title),
                             )
+                            characterSheet.occupations.forEach {
+                                Skill(
+                                    modifier = Modifier.fillMaxWidth(),
+                                    label = it.label,
+                                    value = it.value,
+                                    onClick = { onSkill(it) },
+                                )
+                            }
                         }
                     }
-                }
-                DecoratedBox(
-                    modifier = Modifier.width(width = width).padding(vertical = 8.dp),
-                ) {
-                    Column {
-                        Text(
-                            modifier = Modifier.fillMaxWidth().padding(bottom = 8.dp),
-                            style = MaterialTheme.typography.caption,
-                            textAlign = TextAlign.Center,
-                            text = stringResource(Res.string.character_sheet__magics__title),
-                        )
-                        characterSheet.magics.forEach {
-                            Skill(
-                                modifier = Modifier.fillMaxWidth(),
-                                label = it.label,
-                                value = it.value,
-                                onClick = { onSkill(it) },
+                    DecoratedBox(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(vertical = 8.dp),
+                    ) {
+                        Column {
+                            Text(
+                                modifier = Modifier.fillMaxWidth().padding(bottom = 8.dp),
+                                style = MaterialTheme.typography.caption,
+                                textAlign = TextAlign.Center,
+                                text = stringResource(Res.string.character_sheet__magics__title),
                             )
+                            characterSheet.magics.forEach {
+                                Skill(
+                                    modifier = Modifier.fillMaxWidth(),
+                                    label = it.label,
+                                    value = it.value,
+                                    onClick = { onSkill(it) },
+                                )
+                            }
                         }
                     }
-                }
-                characterSheet.rolls.forEach {
-                    Roll(
-                        modifier = Modifier.fillMaxWidth(),
-                        label = it.label,
-                        onClick = { onRoll(it) },
-                    )
+                    characterSheet.rolls.forEach {
+                        Roll(
+                            modifier = Modifier.fillMaxWidth(),
+                            label = it.label,
+                            onClick = { onRoll(it) },
+                        )
+                    }
                 }
             }
         }
@@ -326,7 +343,9 @@ private fun Stat(
     onClick: () -> Unit,
 ) {
     DecoratedBox(
-        modifier = Modifier.clickable(onClick = onClick).padding(paddingValues = paddingValues)
+        modifier = Modifier
+            .clickable(onClick = onClick)
+            .padding(paddingValues = paddingValues)
             .then(other = modifier),
     ) {
         Text(

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/screen/characterSheet/edit/CharacterSheetEditPage.kt

@@ -29,8 +29,9 @@ import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.createSavedStateHandle
 import androidx.lifecycle.viewmodel.compose.viewModel
+import com.pixelized.desktop.lwa.LocalWindowController
 import com.pixelized.desktop.lwa.composable.decoratedBox.DecoratedBox
-import com.pixelized.desktop.lwa.navigation.LocalScreen
+import com.pixelized.desktop.lwa.navigation.LocalScreenController
 import com.pixelized.desktop.lwa.screen.characterSheet.edit.composable.FieldUio
 import com.pixelized.desktop.lwa.screen.characterSheet.edit.composable.Form
 import kotlinx.coroutines.launch
@@ -75,7 +76,8 @@ fun CharacterSheetEditPage(
         )
     },
 ) {
-    val screen = LocalScreen.current
+    val window = LocalWindowController.current
+    val screen = LocalScreenController.current
     val scope = rememberCoroutineScope()
 
     Surface(
@@ -89,7 +91,9 @@ fun CharacterSheetEditPage(
             onSave = {
                 scope.launch {
                     viewModel.save()
-                    screen.popBackStack()
+                    if (screen.popBackStack().not()) {
+                        window.close()
+                    }
                 }
             },
         )

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/screen/main/MainPage.kt

@@ -3,26 +3,40 @@ package com.pixelized.desktop.lwa.screen.main
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.Surface
 import androidx.compose.material.Text
 import androidx.compose.material.TextButton
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.Stable
 import androidx.compose.runtime.State
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Window
+import androidx.compose.ui.window.rememberWindowState
 import androidx.lifecycle.viewmodel.compose.viewModel
-import com.pixelized.desktop.lwa.navigation.LocalScreen
-import com.pixelized.desktop.lwa.navigation.destination.navigateToCharacterSheet
-import com.pixelized.desktop.lwa.navigation.destination.navigateToCharacterSheetEdit
+import com.pixelized.desktop.lwa.LocalWindowController
+import com.pixelized.desktop.lwa.WindowController
+import com.pixelized.desktop.lwa.composable.decoratedBox.DecoratedBox
+import com.pixelized.desktop.lwa.navigation.LocalScreenController
+import com.pixelized.desktop.lwa.navigation.destination.CharacterSheetDestination
+import com.pixelized.desktop.lwa.navigation.destination.CharacterSheetEditDestination
+import com.pixelized.desktop.lwa.navigation.destination.navigateToNetwork
+import com.pixelized.desktop.lwa.screen.characterSheet.CharacterSheetMainNavHost
 import lwacharactersheet.composeapp.generated.resources.Res
+import lwacharactersheet.composeapp.generated.resources.character_sheet_edit__title
 import lwacharactersheet.composeapp.generated.resources.main_page__create_action
+import lwacharactersheet.composeapp.generated.resources.main_page__network_action
 import org.jetbrains.compose.resources.stringResource
 
 @Stable
@@ -35,62 +49,165 @@ data class CharacterUio(
 fun MainPage(
     viewModel: MainPageViewModel = viewModel { MainPageViewModel() },
 ) {
-    val screen = LocalScreen.current
+    val screen = LocalScreenController.current
 
-    Surface {
+    Surface(
+        modifier = Modifier.fillMaxSize(),
+    ) {
         Box(
-            modifier = Modifier.fillMaxSize(),
+            modifier = Modifier
+                .verticalScroll(state = rememberScrollState())
+                .fillMaxSize()
+                .padding(horizontal = 24.dp),
             contentAlignment = Alignment.Center,
         ) {
             MainPageContent(
                 characters = viewModel.characters,
                 onCharacter = {
-                    screen.navigateToCharacterSheet(id = it.id)
+                    viewModel.showCharacterSheet(sheet = it)
                 },
                 onCreateCharacter = {
-                    screen.navigateToCharacterSheetEdit()
+                    viewModel.showCreateCharacterSheet()
+                },
+                onNetwork = {
+                    screen.navigateToNetwork()
                 },
             )
         }
     }
+
+    HandleCharacterSheet(
+        sheets = viewModel.sheet,
+        onCloseRequest = { viewModel.hideCharacterSheet(sheet = it) }
+    )
+
+    HandleCharacterSheetCreation(
+        sheets = viewModel.create,
+        onCloseRequest = { viewModel.hideCreateCharacterSheet(id = it) },
+    )
 }
 
+@Composable
+fun HandleCharacterSheet(
+    sheets: State<Set<CharacterUio>>,
+    onCloseRequest: (id: CharacterUio) -> Unit,
+) {
+    sheets.value.forEach { sheet ->
+        val controller = remember {
+            WindowController(
+                onCloseRequest = { onCloseRequest(sheet) }
+            )
+        }
+        CompositionLocalProvider(
+            LocalWindowController provides controller,
+        ) {
+            Window(
+                onCloseRequest = { onCloseRequest(sheet) },
+                state = rememberWindowState(
+                    width = 400.dp + 64.dp,
+                    height = 900.dp,
+                ),
+                title = sheet.name,
+            ) {
+                CharacterSheetMainNavHost(
+                    startDestination = CharacterSheetDestination.navigationRoute(id = sheet.id)
+                )
+            }
+        }
+    }
+}
+
+@Composable
+fun HandleCharacterSheetCreation(
+    sheets: State<Set<Int>>,
+    onCloseRequest: (id: Int) -> Unit,
+) {
+    sheets.value.forEach { sheet ->
+        val controller = remember {
+            WindowController(
+                onCloseRequest = { onCloseRequest(sheet) }
+            )
+        }
+        CompositionLocalProvider(
+            LocalWindowController provides controller,
+        ) {
+            Window(
+                onCloseRequest = { controller.close() },
+                state = rememberWindowState(
+                    width = 400.dp + 64.dp,
+                    height = 900.dp,
+                ),
+                title = stringResource(Res.string.character_sheet_edit__title),
+            ) {
+                CharacterSheetMainNavHost(
+                    startDestination = CharacterSheetEditDestination.navigationRoute(id = null)
+                )
+            }
+        }
+    }
+}
+
+
 @Composable
 fun MainPageContent(
     modifier: Modifier = Modifier,
     characters: State<List<CharacterUio>>,
     onCharacter: (CharacterUio) -> Unit,
     onCreateCharacter: () -> Unit,
+    onNetwork: () -> Unit,
 ) {
     Column(
-        modifier = modifier.padding(horizontal = 24.dp),
-        verticalArrangement = Arrangement.spacedBy(space = 32.dp),
+        modifier = modifier,
     ) {
-        Column {
-            characters.value.forEach { sheet ->
+        Spacer(
+            modifier = Modifier.weight(weight = 1f)
+        )
+        DecoratedBox {
+            Column(
+                modifier = Modifier.padding(horizontal = 8.dp),
+                verticalArrangement = Arrangement.spacedBy(space = 32.dp),
+            ) {
+                Column {
+                    characters.value.forEach { sheet ->
+                        TextButton(
+                            onClick = { onCharacter(sheet) },
+                        ) {
+                            Text(
+                                modifier = Modifier.fillMaxWidth(),
+                                overflow = TextOverflow.Ellipsis,
+                                textAlign = TextAlign.Start,
+                                maxLines = 1,
+                                text = sheet.name,
+                            )
+                        }
+                    }
+                }
+
                 TextButton(
-                    onClick = { onCharacter(sheet) },
+                    onClick = { onCreateCharacter() },
                 ) {
                     Text(
                         modifier = Modifier.fillMaxWidth(),
+                        maxLines = 1,
                         overflow = TextOverflow.Ellipsis,
                         textAlign = TextAlign.Start,
-                        maxLines = 1,
-                        text = sheet.name,
+                        text = stringResource(Res.string.main_page__create_action),
                     )
                 }
             }
         }
-
+        Spacer(
+            modifier = Modifier.weight(weight = 1f)
+        )
         TextButton(
-            onClick = { onCreateCharacter() },
+            onClick = { onNetwork() },
         ) {
             Text(
                 modifier = Modifier.fillMaxWidth(),
                 maxLines = 1,
                 overflow = TextOverflow.Ellipsis,
                 textAlign = TextAlign.Start,
-                text = stringResource(Res.string.main_page__create_action),
+                text = stringResource(Res.string.main_page__network_action),
             )
         }
     }

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/screen/main/MainPageViewModel.kt

@@ -3,18 +3,25 @@ package com.pixelized.desktop.lwa.screen.main
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.Stable
 import androidx.compose.runtime.State
+import androidx.compose.runtime.mutableStateOf
 import androidx.lifecycle.ViewModel
 import com.pixelized.desktop.lwa.repository.characterSheet.CharacterSheetRepository
 import com.pixelized.desktop.lwa.utils.extention.collectAsState
 
 class MainPageViewModel : ViewModel() {
     // using a variable to help with later injection.
-    private val characterSheetRepository = CharacterSheetRepository
+    private val repository = CharacterSheetRepository
+
+    private val _sheet = mutableStateOf<Set<CharacterUio>>(emptySet())
+    val sheet: State<Set<CharacterUio>> get() = _sheet
+
+    private val _create = mutableStateOf<Set<Int>>(emptySet())
+    val create: State<Set<Int>> get() = _create
 
     val characters: State<List<CharacterUio>>
         @Composable
         @Stable
-        get() = characterSheetRepository
+        get() = repository
             .characterSheetFlow()
             .collectAsState { sheets ->
                 sheets.map { sheet ->
@@ -24,4 +31,20 @@ class MainPageViewModel : ViewModel() {
                     )
                 }
             }
+
+    fun showCreateCharacterSheet() {
+        _create.value = _create.value.toMutableSet().apply { add(size) }
+    }
+
+    fun hideCreateCharacterSheet(id: Int) {
+        _create.value = _create.value.toMutableSet().apply { remove(id) }
+    }
+
+    fun showCharacterSheet(sheet: CharacterUio) {
+        _sheet.value = _sheet.value.toMutableSet().apply { add(sheet) }
+    }
+
+    fun hideCharacterSheet(sheet: CharacterUio) {
+        _sheet.value = _sheet.value.toMutableSet().apply { remove(sheet) }
+    }
 }

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/screen/network/NetworkFactory.kt

@@ -0,0 +1,24 @@
+package com.pixelized.desktop.lwa.screen.network
+
+import com.pixelized.desktop.lwa.repository.network.NetworkRepository.Status
+import com.pixelized.desktop.lwa.repository.network.NetworkRepository.Type
+
+class NetworkFactory {
+
+    fun convertToUio(
+        player: String,
+        status: Status,
+        type: Type,
+        host: String,
+        port: Int,
+    ): NetworkPageUio {
+        return NetworkPageUio(
+            player = player,
+            host = host,
+            port = "$port",
+            enableFields = status == Status.DISCONNECTED,
+            enableActions = status == Status.DISCONNECTED && player.isNotBlank() && host.isNotBlank() && port > 0,
+            enableCancel = type != Type.NONE && status == Status.CONNECTED
+        )
+    }
+}

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/screen/network/NetworkPage.kt

@@ -0,0 +1,176 @@
+package com.pixelized.desktop.lwa.screen.network
+
+import androidx.compose.foundation.ScrollState
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.Icon
+import androidx.compose.material.IconButton
+import androidx.compose.material.Scaffold
+import androidx.compose.material.Surface
+import androidx.compose.material.Text
+import androidx.compose.material.TextButton
+import androidx.compose.material.TextField
+import androidx.compose.material.TopAppBar
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Stable
+import androidx.compose.runtime.State
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import com.pixelized.desktop.lwa.navigation.LocalScreenController
+import lwacharactersheet.composeapp.generated.resources.Res
+import lwacharactersheet.composeapp.generated.resources.network__host__label
+import lwacharactersheet.composeapp.generated.resources.network__player_name__label
+import lwacharactersheet.composeapp.generated.resources.network__port__label
+import lwacharactersheet.composeapp.generated.resources.network__socket__disconnect_action
+import lwacharactersheet.composeapp.generated.resources.network__socket__connect_action
+import lwacharactersheet.composeapp.generated.resources.network__socket__host_action
+import lwacharactersheet.composeapp.generated.resources.network__title
+import org.jetbrains.compose.resources.stringResource
+
+@Stable
+data class NetworkPageUio(
+    val player: String,
+    val host: String,
+    val port: String,
+    val enableFields: Boolean,
+    val enableActions: Boolean,
+    val enableCancel: Boolean,
+)
+
+@Composable
+fun NetworkPage(
+    viewModel: NetworkViewModel = viewModel { NetworkViewModel() },
+) {
+    val screen = LocalScreenController.current
+
+    Surface(
+        modifier = Modifier.fillMaxSize(),
+    ) {
+        NetworkContent(
+            modifier = Modifier.fillMaxSize(),
+            player = viewModel.network,
+            onBack = { screen.popBackStack() },
+            onPlayerChange = viewModel::onPlayerNameChange,
+            onHostChange = viewModel::onHostChange,
+            onPortChange = viewModel::onPortChange,
+            onConnect = viewModel::connect,
+            onHost = viewModel::host,
+            onDisconnect = viewModel::disconnect,
+        )
+    }
+}
+
+@Composable
+private fun NetworkContent(
+    modifier: Modifier = Modifier,
+    scrollState: ScrollState = rememberScrollState(),
+    player: State<NetworkPageUio>,
+    onBack: () -> Unit,
+    onPlayerChange: (String) -> Unit,
+    onHostChange: (String) -> Unit,
+    onPortChange: (String) -> Unit,
+    onConnect: () -> Unit,
+    onHost: () -> Unit,
+    onDisconnect: () -> Unit,
+) {
+    Scaffold(
+        modifier = modifier,
+        topBar = {
+            TopAppBar(
+                title = {
+                    Text(
+                        overflow = TextOverflow.Ellipsis,
+                        maxLines = 1,
+                        text = stringResource(Res.string.network__title),
+                    )
+                },
+                navigationIcon = {
+                    IconButton(
+                        onClick = onBack,
+                    ) {
+                        Icon(
+                            imageVector = Icons.AutoMirrored.Filled.ArrowBack,
+                            contentDescription = null,
+                        )
+                    }
+                }
+            )
+        },
+        content = { paddingValues ->
+            Column(
+                modifier = Modifier
+                    .verticalScroll(state = scrollState)
+                    .padding(paddingValues)
+                    .padding(all = 16.dp),
+            ) {
+                TextField(
+                    modifier = Modifier.fillMaxWidth(),
+                    singleLine = true,
+                    enabled = player.value.enableFields,
+                    label = { Text(text = stringResource(Res.string.network__player_name__label)) },
+                    onValueChange = { onPlayerChange(it) },
+                    value = player.value.player,
+                )
+
+                Spacer(
+                    modifier = Modifier.height(16.dp),
+                )
+
+                Row(
+                    horizontalArrangement = Arrangement.spacedBy(space = 8.dp),
+                ) {
+                    TextField(
+                        modifier = Modifier.weight(1f),
+                        singleLine = true,
+                        enabled = player.value.enableFields,
+                        label = { Text(text = stringResource(Res.string.network__host__label)) },
+                        onValueChange = { onHostChange(it) },
+                        value = player.value.host,
+                    )
+                    TextField(
+                        modifier = Modifier.width(100.dp),
+                        singleLine = true,
+                        enabled = player.value.enableFields,
+                        label = { Text(text = stringResource(Res.string.network__port__label)) },
+                        onValueChange = { onPortChange(it) },
+                        value = player.value.port,
+                    )
+                }
+
+                TextButton(
+                    enabled = player.value.enableActions,
+                    onClick = onConnect,
+                ) {
+                    Text(text = stringResource(Res.string.network__socket__connect_action))
+                }
+
+                TextButton(
+                    enabled = player.value.enableActions,
+                    onClick = onHost,
+                ) {
+                    Text(text = stringResource(Res.string.network__socket__host_action))
+                }
+
+                TextButton(
+                    enabled = player.value.enableCancel,
+                    onClick = onDisconnect,
+                ) {
+                    Text(text = stringResource(Res.string.network__socket__disconnect_action))
+                }
+            }
+        }
+    )
+}

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/screen/network/NetworkViewModel.kt

@@ -0,0 +1,62 @@
+package com.pixelized.desktop.lwa.screen.network
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Stable
+import androidx.compose.runtime.State
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.derivedStateOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.lifecycle.ViewModel
+import com.pixelized.desktop.lwa.repository.network.NetworkRepository
+
+class NetworkViewModel : ViewModel() {
+    private val repository = NetworkRepository
+    private val factory = NetworkFactory()
+
+    private val host = mutableStateOf("localhost")
+    private val port = mutableStateOf(27030)
+    val network: State<NetworkPageUio>
+        @Composable
+        @Stable
+        get() {
+            val player = repository.player.collectAsState()
+            val status = repository.status.collectAsState()
+            val type = repository.type.collectAsState()
+            return remember {
+                derivedStateOf {
+                    factory.convertToUio(
+                        player = player.value,
+                        status = status.value,
+                        type = type.value,
+                        host = host.value,
+                        port = port.value,
+                    )
+                }
+            }
+        }
+
+    fun onPlayerNameChange(player: String) {
+        repository.onPlayerNameChange(player = player)
+    }
+
+    fun onPortChange(port: String) {
+        this.port.value = port.toIntOrNull() ?: 0
+    }
+
+    fun onHostChange(host: String) {
+        this.host.value = host
+    }
+
+    fun host() {
+        repository.host(port = port.value)
+    }
+
+    fun connect() {
+        repository.connect(host = host.value, port = port.value)
+    }
+
+    fun disconnect() {
+        repository.disconnect()
+    }
+}

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/screen/roll/RollPage.kt

@@ -109,7 +109,7 @@ fun RollPage(
                             this.alpha = 0.8f
                             this.rotationZ = viewModel.rollRotation.value
                         },
-                    tint = MaterialTheme.colors.onSurface,
+                    tint = MaterialTheme.colors.primary,
                     painter = painterResource(Res.drawable.ic_d20_32dp),
                     contentDescription = null,
                 )

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/screen/roll/RollViewModel.kt

@@ -10,6 +10,7 @@ import com.pixelized.desktop.lwa.business.RollUseCase
 import com.pixelized.desktop.lwa.business.SkillStepUseCase
 import com.pixelized.desktop.lwa.repository.characterSheet.CharacterSheet
 import com.pixelized.desktop.lwa.repository.characterSheet.CharacterSheetRepository
+import com.pixelized.desktop.lwa.repository.network.NetworkRepository
 import com.pixelized.desktop.lwa.screen.characterSheet.detail.CharacterSheetPageUio
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.coroutineScope
@@ -25,6 +26,8 @@ import lwacharactersheet.composeapp.generated.resources.roll_page__success
 import org.jetbrains.compose.resources.getString
 
 class RollViewModel : ViewModel() {
+    private val network = NetworkRepository
+
     private val _roll = mutableStateOf(RollUio(label = "", value = 0))
     val roll: State<RollUio> get() = _roll
 
@@ -134,8 +137,14 @@ class RollViewModel : ViewModel() {
                         } ?: "",
                         value = roll,
                     )
+
+                    share(roll = roll)
                 }
             }
         }
     }
+
+    private fun share(roll: Int) {
+        network.share(type = "roll", value = "$roll")
+    }
 }

composeApp/src/desktopMain/kotlin/com/pixelized/desktop/lwa/main.kt

@@ -1,21 +1,9 @@
 package com.pixelized.desktop.lwa
 
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.window.Window
 import androidx.compose.ui.window.application
-import androidx.compose.ui.window.rememberWindowState
 
 fun main() {
     application {
-        Window(
-            onCloseRequest = ::exitApplication,
-            state = rememberWindowState(
-                width = 320.dp + 64.dp,
-                height = 900.dp,
-            ),
-            title = "LwaCharacterSheet",
-        ) {
-            App()
-        }
+        App()
     }
 }

gradle/libs.versions.toml

@@ -6,22 +6,27 @@ junit = "4.13.2"
 compose-multiplatform = "1.7.0"
 androidx-lifecycle = "2.8.3"
 androidx-navigation = "2.8.0-alpha10"
-
-[libraries]
-# Test
-kotlin-test = { module = "org.jetbrains.kotlin:kotlin-test", version.ref = "kotlin" }
-kotlin-test-junit = { module = "org.jetbrains.kotlin:kotlin-test-junit", version.ref = "kotlin" }
-junit = { group = "junit", name = "junit", version.ref = "junit" }
-
-# Compose
-androidx-lifecycle-viewmodel = { group = "org.jetbrains.androidx.lifecycle", name = "lifecycle-viewmodel", version.ref = "androidx-lifecycle" }
-androidx-lifecycle-runtime-compose = { group = "org.jetbrains.androidx.lifecycle", name = "lifecycle-runtime-compose", version.ref = "androidx-lifecycle" }
-androidx-navigation-compose = { group = "org.jetbrains.androidx.navigation", name = "navigation-compose", version.ref = "androidx-navigation" }
-kotlinx-coroutines-swing = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-swing", version.ref = "kotlinx-coroutines" }
-kotlinx-serialization-json = { group = "org.jetbrains.kotlinx", name = "kotlinx-serialization-json", version.ref = "kotlinx-json" }
+ktor_version = "3.0.1"
 
 [plugins]
 composeMultiplatform = { id = "org.jetbrains.compose", version.ref = "compose-multiplatform" }
 composeCompiler = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
 kotlinSerialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
-kotlinMultiplatform = { id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin" }
+kotlinMultiplatform = { id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin" }
+kotlinKtor = { id = "io.ktor.plugin", version.ref = "ktor_version"}
+
+[libraries]
+kotlin-test = { module = "org.jetbrains.kotlin:kotlin-test", version.ref = "kotlin" }
+kotlin-test-junit = { module = "org.jetbrains.kotlin:kotlin-test-junit", version.ref = "kotlin" }
+junit = { group = "junit", name = "junit", version.ref = "junit" }
+androidx-lifecycle-viewmodel = { group = "org.jetbrains.androidx.lifecycle", name = "lifecycle-viewmodel", version.ref = "androidx-lifecycle" }
+androidx-lifecycle-runtime-compose = { group = "org.jetbrains.androidx.lifecycle", name = "lifecycle-runtime-compose", version.ref = "androidx-lifecycle" }
+androidx-navigation-compose = { group = "org.jetbrains.androidx.navigation", name = "navigation-compose", version.ref = "androidx-navigation" }
+kotlinx-coroutines-swing = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-swing", version.ref = "kotlinx-coroutines" }
+kotlinx-serialization-json = { group = "org.jetbrains.kotlinx", name = "kotlinx-serialization-json", version.ref = "kotlinx-json" }
+ktor-client-core = { group = "io.ktor", name = "ktor-client-core", version.ref = "ktor_version" }
+ktor-client-cio = { group = 'io.ktor', name = "ktor-client-cio", version.ref = "ktor_version" }
+ktor-client-websockets = { group = 'io.ktor', name = "ktor-client-websockets", version.ref = "ktor_version" }
+ktor-server-core = { group = 'io.ktor', name = "ktor-server-core", version.ref = "ktor_version" }
+ktor-server-netty = { group = 'io.ktor', name = "ktor-server-netty", version.ref = "ktor_version" }
+ktor-server-websockets = { group = 'io.ktor', name = "ktor-server-websockets", version.ref = "ktor_version" }