Add IJ plugin for reusing Compose in plugins (#1715)

* Add IJ plugin for reusing Compose in plugins

* Fix issues

tooling/.gitignore

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+build/
+.gradle/
+.idea

tooling/build.gradle.kts

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+subprojects {
+    repositories {
+        mavenCentral()
+    }
+}

tooling/buildSrc/build.gradle.kts

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+plugins {
+    `kotlin-dsl`
+}
+
+repositories {
+    mavenCentral()
+    gradlePluginPortal()
+}
+
+dependencies {
+    compileOnly(gradleApi())
+    implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:1.6.10")
+    implementation("org.jetbrains.intellij.plugins:gradle-intellij-plugin:1.3.0")
+}

tooling/buildSrc/src/main/kotlin/IdePluginBuildProperties.kt

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+/*
+ * Copyright 2020-2022 JetBrains s.r.o. and respective authors and developers.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
+ */
+
+import org.gradle.api.Project
+import org.gradle.api.provider.Provider
+
+class IdePluginBuildProperties(private val project: Project) {
+    val deployVersion get() = gradleProperty("deploy.version")
+    val pluginName get() = gradleProperty("plugin.name")
+    val pluginDependencies get() = gradleProperty("plugin.dependencies").commaSeparatedList()
+    val platformType get() = gradleProperty("platform.type")
+    val platformVersion get() = gradleProperty("platform.version")
+    val platformDownloadSources get() = gradleProperty("platform.download.sources").toBoolean()
+    val pluginChannels get() = gradleProperty("plugin.channels").commaSeparatedList()
+    val pluginSinceBuild get() = gradleProperty("plugin.since.build")
+    val pluginUntilBuild get() = gradleProperty("plugin.until.build")
+    val pluginVerifierIdeVersions get() = gradleProperty("plugin.verifier.ide.versions").commaSeparatedList()
+    val publishToken get() = envVar("IDE_PLUGIN_PUBLISH_TOKEN")
+
+    private fun envVar(key: String): Provider<String> =
+        project.providers.environmentVariable(key)
+
+    private fun gradleProperty(key: String): Provider<String> =
+        project.provider {
+            (project.findProperty(key) as? Any)?.toString()
+                ?: error("$project does not specify '$key' property")
+        }
+
+    private fun Provider<String>.toBoolean(): Provider<Boolean> =
+        map { it.toBoolean() }
+
+    private fun Provider<String>.commaSeparatedList(): Provider<List<String>> =
+        map { str -> str.split(",").map { it.trim() }.filter { it.isNotEmpty() } }
+}

tooling/buildSrc/src/main/kotlin/gradleUtils.kt

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+import org.gradle.api.Project
+import org.gradle.api.tasks.compile.JavaCompile
+import org.gradle.kotlin.dsl.withType
+import org.jetbrains.kotlin.gradle.dsl.KotlinJvmCompile
+
+/*
+ * Copyright 2020-2022 JetBrains s.r.o. and respective authors and developers.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
+ */
+
+fun Project.jvmTarget(version: String) {
+    plugins.withId("java") {
+        tasks.withType<JavaCompile> {
+            sourceCompatibility = version
+            targetCompatibility = version
+        }
+    }
+
+    plugins.withId("org.jetbrains.kotlin.jvm") {
+        tasks.withType<KotlinJvmCompile> {
+            kotlinOptions.jvmTarget = version
+        }
+    }
+}

tooling/buildSrc/src/main/kotlin/idePlugin.kt

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+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.named
+import org.jetbrains.intellij.IntelliJPluginExtension
+import org.jetbrains.intellij.tasks.PatchPluginXmlTask
+import org.jetbrains.intellij.tasks.PublishPluginTask
+import org.jetbrains.intellij.tasks.RunPluginVerifierTask
+
+/*
+ * Copyright 2020-2022 JetBrains s.r.o. and respective authors and developers.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
+ */
+
+fun Project.intellijPlugin(group: String, fn: IntelliJPluginExtension.() -> Unit = {}) {
+    plugins.apply("org.jetbrains.intellij")
+
+    val idePluginProperties = IdePluginBuildProperties(project)
+    project.group = group
+    project.version = idePluginProperties.deployVersion.get()
+
+    val intellij = project.extensions.getByType(IntelliJPluginExtension::class.java)
+    intellij.apply {
+        pluginName.set(idePluginProperties.pluginName)
+        type.set(idePluginProperties.platformType)
+        version.set(idePluginProperties.platformVersion)
+        downloadSources.set(idePluginProperties.platformDownloadSources)
+        plugins.set(idePluginProperties.pluginDependencies)
+    }
+
+    fn(intellij)
+
+    tasks.named("buildSearchableOptions").configure {
+        // temporary workaround
+        enabled = false
+    }
+
+    tasks.named<PublishPluginTask>("publishPlugin").configure {
+        token.set(idePluginProperties.publishToken)
+        channels.set(idePluginProperties.pluginChannels)
+    }
+
+    tasks.named<PatchPluginXmlTask>("patchPluginXml").configure {
+        sinceBuild.set(idePluginProperties.pluginSinceBuild)
+        untilBuild.set(idePluginProperties.pluginUntilBuild)
+    }
+
+    tasks.named<RunPluginVerifierTask>("runPluginVerifier").configure {
+        ideVersions.set(idePluginProperties.pluginVerifierIdeVersions)
+    }
+}

tooling/compose-intellij-platform/build.gradle.kts

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+import org.jetbrains.compose.compose
+
+plugins {
+    id("org.jetbrains.kotlin.jvm")
+    id("org.jetbrains.intellij")
+    id("org.jetbrains.compose") version "1.0.1"
+}
+
+jvmTarget("11")
+
+dependencies {
+    api(compose.desktop.common)
+    api(compose.desktop.macos_x64)
+    api(compose.desktop.macos_arm64)
+    api(compose.desktop.windows_x64)
+    api(compose.desktop.linux_x64)
+    api(compose.desktop.linux_arm64)
+}
+
+intellijPlugin(group = "org.jetbrains.compose.intellij.platform")

tooling/compose-intellij-platform/gradle.properties

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+# Opt-out flag for bundling Kotlin standard library.
+# See https://kotlinlang.org/docs/reference/using-gradle.html#dependency-on-the-standard-library for details.
+kotlin.stdlib.default.dependency=false
+
+deploy.version=0.1-SNAPSHOT
+
+plugin.name=Compose Intellij Plugin Base
+plugin.dependencies=
+plugin.channels=snapshots
+plugin.since.build=213
+plugin.until.build=221.*
+## See https://jb.gg/intellij-platform-builds-list for available build versions.
+plugin.verifier.ide.versions=2021.3
+
+platform.type=IC
+platform.version=2021.3
+platform.download.sources=true

tooling/compose-intellij-platform/sample/README.md

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+A few sample projects, showcasing an Intellij plugin
+for Intellij plugin development.
+
+To try, run the following in `<ROOT>/tooling` directory:
+```
+./gradlew :compose-intellij-platform:sample:all-plugins:runIde
+```

tooling/compose-intellij-platform/sample/all-plugins/build.gradle.kts

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+import org.jetbrains.compose.compose
+
+plugins {
+    id("org.jetbrains.kotlin.jvm")
+    id("org.jetbrains.intellij")
+}
+
+jvmTarget("11")
+
+intellijPlugin(group = "org.jetbrains.compose.intellij.platform.sample.all.plugins") {
+    plugins.set(
+        listOf(
+            project(":compose-intellij-platform"),
+            project(":compose-intellij-platform:sample:base"),
+            project(":compose-intellij-platform:sample:plugin-1"),
+            project(":compose-intellij-platform:sample:plugin-2"),
+        )
+    )
+}

tooling/compose-intellij-platform/sample/all-plugins/gradle.properties

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+kotlin.stdlib.default.dependency=false
+deploy.version=0.1-SNAPSHOT
+plugin.name=All Sample Compose Plugins

tooling/compose-intellij-platform/sample/all-plugins/src/main/resources/META-INF/plugin.xml

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+<idea-plugin>
+    <id>org.jetbrains.compose.intellij.platform.sample.all.plugins</id>
+    <vendor>Sample vendor</vendor>
+
+    <depends>org.jetbrains.compose.intellij.platform.sample.plugin1</depends>
+    <depends>org.jetbrains.compose.intellij.platform.sample.plugin2</depends>
+</idea-plugin>

tooling/compose-intellij-platform/sample/base/build.gradle.kts

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+import org.jetbrains.compose.compose
+
+plugins {
+    id("org.jetbrains.kotlin.jvm")
+    id("org.jetbrains.intellij")
+    id("org.jetbrains.compose")
+}
+
+jvmTarget("11")
+
+dependencies {
+    compileOnly(compose.desktop.currentOs)
+}
+
+intellijPlugin(group = "org.jetbrains.compose.intellij.platform.sample.base") {
+    plugins.set(listOf(project(":compose-intellij-platform")))
+}

tooling/compose-intellij-platform/sample/base/gradle.properties

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+plugin.name=Compose Intellij Plugin Sample Base

tooling/compose-intellij-platform/sample/base/src/main/kotlin/org/jetbrains/compose/intellij/platform/sample/AbstractComposeDemoDialog.kt

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+package org.jetbrains.compose.intellij.platform.sample
+
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material.Surface
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.awt.ComposePanel
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.ui.DialogWrapper
+import javax.swing.JComponent
+
+abstract class AbstractComposeDemoDialog(project: Project?) : DialogWrapper(project) {
+    init {
+        init()
+    }
+
+    override fun createCenterPanel(): JComponent {
+        return ComposePanel().apply {
+            setBounds(0, 0, 800, 600)
+            setContent {
+                WidgetTheme(darkTheme = true) {
+                    Surface(modifier = Modifier.fillMaxSize()) {
+                        dialogContent()
+                    }
+                }
+            }
+        }
+    }
+
+    @Composable
+    abstract fun dialogContent()
+}

tooling/compose-intellij-platform/sample/base/src/main/kotlin/org/jetbrains/compose/intellij/platform/sample/Theme.kt

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+package org.jetbrains.compose.intellij.platform.sample
+
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.darkColors
+import androidx.compose.material.lightColors
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Shapes
+import androidx.compose.material.Typography
+import androidx.compose.runtime.*
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import com.intellij.ide.ui.LafManager
+import com.intellij.ide.ui.LafManagerListener
+import com.intellij.openapi.application.ApplicationManager
+import java.awt.Color as AWTColor
+import javax.swing.UIManager
+
+val green200 = Color(0xffa5d6a7)
+val green500 = Color(0xff4caf50)
+val green700 = Color(0xff388e3c)
+
+val teal200 = Color(0xff80deea)
+
+private val DarkGreenColorPalette = darkColors(
+    primary = green200,
+    primaryVariant = green700,
+    secondary = teal200,
+    onPrimary = Color.Black,
+    onSecondary = Color.White,
+    error = Color.Red,
+)
+
+private val LightGreenColorPalette = lightColors(
+    primary = green500,
+    primaryVariant = green700,
+    secondary = teal200,
+    onPrimary = Color.White,
+    onSurface = Color.Black
+)
+
+@Composable
+fun WidgetTheme(
+    darkTheme: Boolean = false,
+    content: @Composable() () -> Unit,
+) {
+    val colors = if (darkTheme) DarkGreenColorPalette else LightGreenColorPalette
+    val swingColor = SwingColor()
+
+    MaterialTheme(
+        colors = colors.copy(
+            background = swingColor.background,
+            onBackground = swingColor.onBackground,
+            surface = swingColor.background,
+            onSurface = swingColor.onBackground,
+        ),
+        typography = typography,
+        shapes = shapes,
+        content = content
+    )
+}
+
+val shapes = Shapes(
+    small = RoundedCornerShape(4.dp),
+    medium = RoundedCornerShape(4.dp),
+    large = RoundedCornerShape(0.dp)
+)
+
+val typography = Typography(
+    body1 = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 16.sp
+    ),
+    body2 = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 14.sp
+    ),
+    button = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.W500,
+        fontSize = 14.sp
+    ),
+    caption = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 12.sp,
+    ),
+    subtitle1 = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 16.sp,
+        color = Color.Gray
+    ),
+    subtitle2 = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 14.sp,
+        color = Color.Gray
+    ),
+)
+
+internal class ThemeChangeListener(
+    val updateColors: () -> Unit
+) : LafManagerListener {
+    override fun lookAndFeelChanged(source: LafManager) {
+        updateColors()
+    }
+}
+
+interface SwingColor {
+    val background: Color
+    val onBackground: Color
+}
+
+@Composable
+fun SwingColor(): SwingColor {
+    val swingColor = remember { SwingColorImpl() }
+
+    val messageBus = remember {
+        ApplicationManager.getApplication().messageBus.connect()
+    }
+
+    remember(messageBus) {
+        messageBus.subscribe(
+            LafManagerListener.TOPIC,
+            ThemeChangeListener(swingColor::updateCurrentColors)
+        )
+    }
+
+    DisposableEffect(messageBus) {
+        onDispose {
+            messageBus.disconnect()
+        }
+    }
+
+    return swingColor
+}
+
+private class SwingColorImpl : SwingColor {
+    private val _backgroundState: MutableState<Color> = mutableStateOf(getBackgroundColor)
+    private val _onBackgroundState: MutableState<Color> = mutableStateOf(getOnBackgroundColor)
+
+    override val background: Color get() = _backgroundState.value
+    override val onBackground: Color get() = _onBackgroundState.value
+
+    private val getBackgroundColor get() = getColor(BACKGROUND_KEY)
+    private val getOnBackgroundColor get() = getColor(ON_BACKGROUND_KEY)
+
+    fun updateCurrentColors() {
+        _backgroundState.value = getBackgroundColor
+        _onBackgroundState.value = getOnBackgroundColor
+    }
+
+    private val AWTColor.asComposeColor: Color get() = Color(red, green, blue, alpha)
+    private fun getColor(key: String): Color = UIManager.getColor(key).asComposeColor
+
+    companion object {
+        private const val BACKGROUND_KEY = "Panel.background"
+        private const val ON_BACKGROUND_KEY = "Panel.foreground"
+    }
+}
+

tooling/compose-intellij-platform/sample/base/src/main/resources/META-INF/plugin.xml

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+<idea-plugin>
+    <id>org.jetbrains.compose.intellij.platform.sample.base</id>
+    <vendor>Sample vendor</vendor>
+    <depends>org.jetbrains.compose.intellij.platform</depends>
+</idea-plugin>

tooling/compose-intellij-platform/sample/plugin-1/build.gradle.kts

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+import org.jetbrains.compose.compose
+
+plugins {
+    id("org.jetbrains.kotlin.jvm")
+    id("org.jetbrains.intellij")
+    id("org.jetbrains.compose")
+}
+
+jvmTarget("11")
+
+dependencies {
+    compileOnly(compose.desktop.currentOs)
+}
+
+intellijPlugin(group = "org.jetbrains.compose.intellij.platform.sample.plugin1") {
+    plugins.set(
+        listOf(
+            project(":compose-intellij-platform"),
+            project(":compose-intellij-platform:sample:base")
+        )
+    )
+}

tooling/compose-intellij-platform/sample/plugin-1/gradle.properties

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+plugin.name=Compose Intellij Plugin Base Sample Plugin 1

tooling/compose-intellij-platform/sample/plugin-1/src/main/kotlin/org/jetbrains/compose/intellij/platform/sample/Buttons.kt

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+package org.jetbrains.compose.intellij.platform.sample
+
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.Button
+import androidx.compose.material.TextButton
+import androidx.compose.material.OutlinedButton
+import androidx.compose.material.Text
+import androidx.compose.material.Icon
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.FavoriteBorder
+import androidx.compose.material.icons.filled.Refresh
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun Buttons() {
+    Row {
+        val btnEnabled = remember { mutableStateOf(true) }
+        Button(
+            onClick = { btnEnabled.value = !btnEnabled.value},
+            modifier = Modifier.padding(8.dp),
+            enabled = btnEnabled.value
+        ) {
+            Icon(
+                imageVector = Icons.Default.FavoriteBorder,
+                contentDescription = "FavoriteBorder",
+                modifier = Modifier.padding(end = 4.dp)
+            )
+            Text(text = "Button")
+        }
+        val btnTextEnabled = remember { mutableStateOf(true) }
+        TextButton(
+            onClick = { btnTextEnabled.value = !btnTextEnabled.value },
+            modifier = Modifier.padding(8.dp),
+            enabled = btnTextEnabled.value
+        ) {
+            Text(text = "Text Button")
+        }
+        OutlinedButton(
+            onClick = {
+                btnEnabled.value = true
+                btnTextEnabled.value = true
+            },
+            modifier = Modifier.padding(8.dp)
+        ) {
+            Icon(
+                imageVector = Icons.Default.Refresh,
+                contentDescription = "Refresh",
+                modifier = Modifier.padding(0.dp)
+            )
+        }
+    }
+}

tooling/compose-intellij-platform/sample/plugin-1/src/main/kotlin/org/jetbrains/compose/intellij/platform/sample/ComposeDemoAction1.kt

@@ -0,0 +1,36 @@
+package org.jetbrains.compose.intellij.platform.sample
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import com.intellij.openapi.actionSystem.AnActionEvent
+import com.intellij.openapi.project.DumbAwareAction
+import com.intellij.openapi.project.Project
+
+class ComposeDemoAction1 : DumbAwareAction() {
+    override fun actionPerformed(e: AnActionEvent) {
+        ComposeDemoDialog1(e.project).show()
+    }
+}
+
+class ComposeDemoDialog1(project: Project?) : AbstractComposeDemoDialog(project) {
+    init {
+        title = "Demo Dialog 1"
+    }
+
+    @Composable
+    override fun dialogContent() {
+        Row {
+            Column(
+                modifier = Modifier.fillMaxHeight().weight(1f)
+            ) {
+                Buttons()
+                Loaders()
+                TextInputs()
+                Toggles()
+            }
+        }
+    }
+}

tooling/compose-intellij-platform/sample/plugin-1/src/main/kotlin/org/jetbrains/compose/intellij/platform/sample/Loaders.kt

@@ -0,0 +1,39 @@
+package org.jetbrains.compose.intellij.platform.sample
+
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.size
+import androidx.compose.material.CircularProgressIndicator
+import androidx.compose.material.LinearProgressIndicator
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun Loaders() {
+    Row(
+        modifier = Modifier.fillMaxWidth().padding(16.dp)
+    ) {
+        Box(
+            modifier = Modifier.height(30.dp),
+            contentAlignment = Alignment.Center
+        ) {
+            CircularProgressIndicator(
+                modifier = Modifier.size(20.dp, 20.dp),
+                strokeWidth = 4.dp
+            )
+        }
+        Box(
+            modifier = Modifier
+                .height(30.dp)
+                .padding(start = 8.dp),
+            contentAlignment = Alignment.Center
+        ) {
+            LinearProgressIndicator(modifier = Modifier.fillMaxWidth())
+        }
+    }
+}

tooling/compose-intellij-platform/sample/plugin-1/src/main/kotlin/org/jetbrains/compose/intellij/platform/sample/TextInputs.kt

@@ -0,0 +1,53 @@
+package org.jetbrains.compose.intellij.platform.sample
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material.Text
+import androidx.compose.material.TextField
+import androidx.compose.material.OutlinedTextField
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.text.input.PasswordVisualTransformation
+import androidx.compose.ui.text.input.TextFieldValue
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun TextInputs() {
+    Column(
+        modifier = Modifier.fillMaxWidth().padding(16.dp)
+    ) {
+        var name by remember { mutableStateOf(TextFieldValue("")) }
+        var password by remember { mutableStateOf(TextFieldValue("")) }
+
+        TextField(
+            value = name,
+            onValueChange = { newValue -> name = newValue },
+            modifier = Modifier.padding(8.dp).fillMaxWidth(),
+            textStyle = TextStyle(fontFamily = FontFamily.SansSerif),
+            label = { Text("Account:") },
+            placeholder = { Text("account name") }
+        )
+
+        OutlinedTextField(
+            value = password,
+            modifier = Modifier.padding(8.dp).fillMaxWidth(),
+            label = { Text(text = "Password:") },
+            placeholder = { Text(text = "your password") },
+            textStyle = TextStyle(fontFamily = FontFamily.SansSerif),
+            visualTransformation = PasswordVisualTransformation(),
+            onValueChange = {
+                password = it
+            },
+            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Password)
+        )
+    }
+}

tooling/compose-intellij-platform/sample/plugin-1/src/main/kotlin/org/jetbrains/compose/intellij/platform/sample/Toggles.kt

@@ -0,0 +1,89 @@
+package org.jetbrains.compose.intellij.platform.sample
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.Checkbox
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.RadioButton
+import androidx.compose.material.Slider
+import androidx.compose.material.Switch
+import androidx.compose.material.SwitchDefaults
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun Toggles() {
+    Column {
+        Row {
+            Column(
+                modifier = Modifier.padding(16.dp)
+            ) {
+                var checked by remember { mutableStateOf(true) }
+                Checkbox(
+                    checked = checked,
+                    modifier = Modifier.padding(8.dp),
+                    onCheckedChange = { checked = !checked }
+                )
+                var switched by remember { mutableStateOf(true) }
+                Switch(
+                    checked = switched,
+                    colors = SwitchDefaults.colors(checkedThumbColor = MaterialTheme.colors.primary),
+                    modifier = Modifier.padding(8.dp),
+                    onCheckedChange = { switched = it }
+                )
+            }
+            Column(
+                modifier = Modifier.padding(16.dp)
+            ) {
+                var selected by remember { mutableStateOf("Kotlin") }
+                Row(verticalAlignment = Alignment.CenterVertically) {
+                    RadioButton(selected = selected == "Kotlin", onClick = { selected = "Kotlin" })
+                    Text(
+                        text = "Kotlin",
+                        modifier = Modifier.clickable(onClick = { selected = "Kotlin" }).padding(start = 4.dp)
+                    )
+                }
+                Row(verticalAlignment = Alignment.CenterVertically) {
+                    RadioButton(selected = selected == "Java", onClick = { selected = "Java" })
+                    Text(
+                        text = "Java",
+                        modifier = Modifier.clickable(onClick = { selected = "Java" }).padding(start = 4.dp)
+                    )
+                }
+                Row(verticalAlignment = Alignment.CenterVertically) {
+                    RadioButton(selected = selected == "Swift", onClick = { selected = "Swift" })
+                    Text(
+                        text = "Swift",
+                        modifier = Modifier.clickable(onClick = { selected = "Swift" }).padding(start = 4.dp)
+                    )
+                }
+            }
+        }
+
+        var sliderState by remember { mutableStateOf(0f) }
+        Slider(value = sliderState, modifier = Modifier.fillMaxWidth().padding(8.dp),
+            onValueChange = { newValue ->
+                sliderState = newValue
+            }
+        )
+
+        var sliderState2 by remember { mutableStateOf(20f) }
+        Slider(value = sliderState2, modifier = Modifier.fillMaxWidth().padding(8.dp),
+            valueRange = 0f..100f,
+            steps = 5,
+            onValueChange = { newValue ->
+                sliderState2 = newValue
+            }
+        )
+    }
+}

tooling/compose-intellij-platform/sample/plugin-1/src/main/resources/META-INF/plugin.xml

@@ -0,0 +1,15 @@
+<idea-plugin>
+    <id>org.jetbrains.compose.intellij.platform.sample.plugin1</id>
+    <vendor>Sample vendor</vendor>
+
+    <depends>org.jetbrains.compose.intellij.platform</depends>
+    <depends>org.jetbrains.compose.intellij.platform.sample.base</depends>
+
+    <actions>
+        <action id="org.jetbrains.compose.intellij.platform.sample.ComposeDemoAction1"
+                class="org.jetbrains.compose.intellij.platform.sample.ComposeDemoAction1"
+                text="Show Compose Dialog 1">
+            <add-to-group group-id="ToolsMenu" anchor="last"/>
+        </action>
+    </actions>
+</idea-plugin>

tooling/compose-intellij-platform/sample/plugin-2/build.gradle.kts

@@ -0,0 +1,22 @@
+import org.jetbrains.compose.compose
+
+plugins {
+    id("org.jetbrains.kotlin.jvm")
+    id("org.jetbrains.intellij")
+    id("org.jetbrains.compose")
+}
+
+jvmTarget("11")
+
+dependencies {
+    compileOnly(compose.desktop.currentOs)
+}
+
+intellijPlugin(group = "org.jetbrains.compose.intellij.platform.sample.plugin2") {
+    plugins.set(
+        listOf(
+            project(":compose-intellij-platform"),
+            project(":compose-intellij-platform:sample:base")
+        )
+    )
+}

tooling/compose-intellij-platform/sample/plugin-2/gradle.properties

@@ -0,0 +1 @@
+plugin.name=Compose Intellij Plugin Base Sample Plugin 2

tooling/compose-intellij-platform/sample/plugin-2/src/main/kotlin/org/jetbrains/compose/intellij/platform/sample/ComposeDemoAction2.kt

@@ -0,0 +1,33 @@
+package org.jetbrains.compose.intellij.platform.sample
+
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import com.intellij.openapi.actionSystem.AnActionEvent
+import com.intellij.openapi.project.DumbAwareAction
+import com.intellij.openapi.project.Project
+
+class ComposeDemoAction2 : DumbAwareAction() {
+    override fun actionPerformed(e: AnActionEvent) {
+        ComposeDemoDialog2(e.project).show()
+    }
+}
+
+class ComposeDemoDialog2(project: Project?) : AbstractComposeDemoDialog(project) {
+    init {
+        title = "Demo Dialog 2"
+    }
+
+    @Composable
+    override fun dialogContent() {
+        Row {
+            Box(
+                modifier = Modifier.fillMaxHeight().weight(1f)
+            ) {
+                LazyScrollable()
+            }
+        }
+    }
+}

tooling/compose-intellij-platform/sample/plugin-2/src/main/kotlin/org/jetbrains/compose/intellij/platform/sample/LazyScrollable.kt

@@ -0,0 +1,69 @@
+package org.jetbrains.compose.intellij.platform.sample
+
+import androidx.compose.desktop.DesktopTheme
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.rememberLazyListState
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.rememberScrollbarAdapter
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.VerticalScrollbar
+import androidx.compose.material.Text
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Surface
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun LazyScrollable() {
+    MaterialTheme {
+        DesktopTheme {
+            Box(
+                modifier = Modifier.fillMaxSize()
+                    .padding(10.dp)
+            ) {
+
+                val state = rememberLazyListState()
+                val itemCount = 100
+
+                LazyColumn(Modifier.fillMaxSize().padding(end = 12.dp), state) {
+                    items(itemCount) { x ->
+                        TextBox("Item in ScrollableColumn #$x")
+                        Spacer(modifier = Modifier.height(5.dp))
+                    }
+                }
+                VerticalScrollbar(
+                    modifier = Modifier.align(Alignment.CenterEnd).fillMaxHeight(),
+                    adapter = rememberScrollbarAdapter(
+                        scrollState = state
+                    )
+                )
+            }
+        }
+    }
+}
+
+@Composable
+private fun TextBox(text: String = "Item") {
+    Surface(
+        color = Color(135, 135, 135, 40),
+        shape = RoundedCornerShape(4.dp)
+    ) {
+        Box(
+            modifier = Modifier.height(32.dp)
+                .fillMaxWidth()
+                .padding(start = 10.dp),
+            contentAlignment = Alignment.CenterStart
+        ) {
+            Text(text = text)
+        }
+    }
+}

tooling/compose-intellij-platform/sample/plugin-2/src/main/resources/META-INF/plugin.xml

@@ -0,0 +1,15 @@
+<idea-plugin>
+    <id>org.jetbrains.compose.intellij.platform.sample.plugin2</id>
+    <vendor>Sample vendor</vendor>
+
+    <depends>org.jetbrains.compose.intellij.platform</depends>
+    <depends>org.jetbrains.compose.intellij.platform.sample.base</depends>
+
+    <actions>
+        <action id="org.jetbrains.compose.intellij.platform.sample.ComposeDemoAction2"
+                class="org.jetbrains.compose.intellij.platform.sample.ComposeDemoAction2"
+                text="Show Compose Dialog 2">
+            <add-to-group group-id="ToolsMenu" anchor="last"/>
+        </action>
+    </actions>
+</idea-plugin>

tooling/compose-intellij-platform/src/main/resources/META-INF/plugin.xml

@@ -0,0 +1,12 @@
+<idea-plugin>
+    <id>org.jetbrains.compose.intellij.platform</id>
+    <name>Compose for IDE Base</name>
+    <vendor>JetBrains</vendor>
+    <description>
+        <![CDATA[
+        An Intellij platform plugin for developing Intellij plugins with Compose framework
+        ]]>
+    </description>
+
+    <depends>com.intellij.modules.platform</depends>
+</idea-plugin>

tooling/compose-intellij-platform/src/main/resources/META-INF/pluginIcon.svg

@@ -0,0 +1 @@
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tooling/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

tooling/gradlew

@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

tooling/gradlew.bat

@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

tooling/settings.gradle.kts

@@ -0,0 +1,12 @@
+pluginManagement {
+    repositories {
+        maven("https://maven.pkg.jetbrains.space/public/p/compose/dev")
+        gradlePluginPortal()
+    }
+}
+
+include(":compose-intellij-platform")
+include(":compose-intellij-platform:sample:base")
+include(":compose-intellij-platform:sample:plugin-1")
+include(":compose-intellij-platform:sample:plugin-2")
+include(":compose-intellij-platform:sample:all-plugins")