App API WIP

components/App/demo/build.gradle.kts

@@ -0,0 +1,29 @@
+import org.jetbrains.compose.compose
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+    kotlin("multiplatform")
+    id("org.jetbrains.compose")
+}
+
+kotlin {
+    jvm {}
+    sourceSets {
+        named("jvmMain") {
+            dependencies {
+                implementation(compose.desktop.currentOs)
+                implementation(project(":App:library"))
+            }
+        }
+    }
+}
+
+compose.desktop {
+    application {
+        mainClass = "org.jetbrains.compose.app.demo.MainKt"
+    }
+}
+
+tasks.withType<KotlinCompile>().configureEach {
+    kotlinOptions.freeCompilerArgs += "-Xopt-in=kotlin.RequiresOptIn"
+}

components/App/demo/src/jvmMain/kotlin/org/jetbrains/compose/app/demo/Main.kt

@@ -0,0 +1,10 @@
+package org.jetbrains.compose.app.demo
+
+import androidx.compose.material.Text
+import org.jetbrains.compose.app.application
+
+fun main() = application(
+    title = "App demo"
+) {
+    Text("Hi")
+}

components/App/library/build.gradle.kts

@@ -0,0 +1,33 @@
+import org.jetbrains.compose.compose
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+    kotlin("multiplatform")
+    id("org.jetbrains.compose")
+    id("maven-publish")
+}
+
+kotlin {
+    jvm("desktop")
+
+    sourceSets {
+        named("commonMain") {
+            dependencies {
+                api(compose.runtime)
+                api(compose.foundation)
+                api(compose.material)
+            }
+        }
+        named("desktopMain") {}
+    }
+}
+
+tasks.withType<KotlinCompile>().configureEach {
+    kotlinOptions.freeCompilerArgs += "-Xopt-in=kotlin.RequiresOptIn"
+}
+
+configureMavenPublication(
+    groupId = "org.jetbrains.compose.components",
+    artifactId = "components-app",
+    name = "App API for Compose Multiplatform"
+)

components/App/library/src/desktopMain/kotlin/org/jetbrains/compose/app/App.kt

@@ -0,0 +1,10 @@
+package org.jetbrains.compose.app
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.window.singleWindowApplication
+
+fun application(name: String = "application", title: String = "Compose Application", body: @Composable () -> Unit) {
+    singleWindowApplication {
+        body()
+    }
+}

components/settings.gradle.kts

@@ -15,3 +15,6 @@ pluginManagement {
 
 include(":SplitPane:library")
 include(":SplitPane:demo")
+
+include(":App:library")
+include(":App:demo")