Intellij compose tool window panel (#1994)

examples/intellij-plugin-with-experimental-shared-base/src/main/kotlin/com/jetbrains/compose/IntellijTheme.kt

@@ -0,0 +1,28 @@
+/*
+ * 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.
+ */
+
+package com.jetbrains.compose
+
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material.Surface
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import com.intellij.openapi.project.Project
+import com.jetbrains.compose.theme.WidgetTheme
+import org.intellij.datavis.r.inlays.components.GraphicsManager
+
+@Composable
+fun IntellijTheme(project: Project, content: @Composable () -> Unit) {
+    val isDarkMode = try {
+        GraphicsManager.getInstance(project)?.isDarkModeEnabled ?: false
+    } catch (t: Throwable) {
+        false
+    }
+    WidgetTheme(darkTheme = isDarkMode) {
+        Surface(modifier = Modifier.fillMaxSize()) {
+            content()
+        }
+    }
+}

examples/intellij-plugin-with-experimental-shared-base/src/main/kotlin/com/jetbrains/compose/color/ColorLineMarkerProvider.kt

@@ -5,30 +5,22 @@
 
 package com.jetbrains.compose.color
 
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.material.Surface
 import androidx.compose.runtime.mutableStateOf
-import androidx.compose.ui.Modifier
 import androidx.compose.ui.awt.ComposePanel
+import androidx.compose.ui.graphics.Color
 import com.intellij.codeInsight.daemon.LineMarkerInfo
 import com.intellij.codeInsight.daemon.LineMarkerProvider
-import com.intellij.icons.AllIcons
+import com.intellij.openapi.application.ApplicationManager
 import com.intellij.openapi.editor.markup.GutterIconRenderer
 import com.intellij.openapi.ui.DialogWrapper
 import com.intellij.psi.PsiElement
+import com.jetbrains.compose.IntellijTheme
 import org.jetbrains.kotlin.psi.KtPsiFactory
 import org.jetbrains.uast.*
-import javax.swing.JComponent
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.graphics.ImageBitmap
-import androidx.compose.ui.graphics.painter.ColorPainter
-import androidx.compose.ui.graphics.toArgb
-import com.intellij.openapi.application.ApplicationManager
-import com.jetbrains.compose.theme.WidgetTheme
-import org.intellij.datavis.r.inlays.components.GraphicsManager
 import java.awt.Component
 import java.awt.Graphics
 import javax.swing.Icon
+import javax.swing.JComponent
 
 class ColorLineMarkerProvider : LineMarkerProvider {
 
@@ -59,16 +51,14 @@ class ColorLineMarkerProvider : LineMarkerProvider {
                             )
                             g?.fillRect(0, 0, iconSize, iconSize)
                         }
+
                         override fun getIconWidth(): Int = iconSize
                         override fun getIconHeight(): Int = iconSize
                     },
                     null,
                     { _, psiElement: PsiElement ->
-                        val isDarkMode = try {
-                            GraphicsManager.getInstance(project)?.isDarkModeEnabled ?: false
-                        } catch (t: Throwable) {
-                            false
-                        }
+
+
                         class ChooseColorDialog() : DialogWrapper(project) {
                             val colorState = mutableStateOf(previousColor)
 
@@ -81,10 +71,8 @@ class ColorLineMarkerProvider : LineMarkerProvider {
                                 ComposePanel().apply {
                                     setBounds(0, 0, 400, 400)
                                     setContent {
-                                        WidgetTheme(darkTheme = isDarkMode) {
-                                            Surface(modifier = Modifier.fillMaxSize()) {
-                                                ColorPicker(colorState)
-                                            }
+                                        IntellijTheme(project) {
+                                            ColorPicker(colorState)
                                         }
                                     }
                                 }

examples/intellij-plugin-with-experimental-shared-base/src/main/kotlin/com/jetbrains/compose/panel/ComposeToolWindow.kt

@@ -0,0 +1,44 @@
+/*
+ * 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.
+ */
+
+package com.jetbrains.compose.panel
+
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.ui.awt.ComposePanel
+import com.intellij.openapi.application.ApplicationManager
+import com.intellij.openapi.project.DumbAware
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.wm.ToolWindow
+import com.intellij.openapi.wm.ToolWindowFactory
+import com.intellij.ui.content.ContentFactory
+import com.jetbrains.compose.IntellijTheme
+import java.awt.Dimension
+
+class ComposeToolWindow : ToolWindowFactory, DumbAware {
+
+    override fun createToolWindowContent(project: Project, toolWindow: ToolWindow) {
+        ApplicationManager.getApplication().invokeLater {
+            toolWindow.contentManager.addContent(
+                ContentFactory.SERVICE.getInstance().createContent(
+                    ComposePanel().apply {
+                        size = Dimension(300, 300)
+                        setContent {
+                            IntellijTheme(project) {
+                                CounterPanel(stateWithIdeLifecycle)
+                            }
+                        }
+                    },
+                    "Compose tool window",
+                    false
+                )
+            )
+        }
+    }
+
+    companion object {
+        val stateWithIdeLifecycle = mutableStateOf(CounterState())
+    }
+
+}

examples/intellij-plugin-with-experimental-shared-base/src/main/kotlin/com/jetbrains/compose/panel/CounterPanel.kt

@@ -0,0 +1,36 @@
+/*
+ * 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.
+ */
+
+package com.jetbrains.compose.panel
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.material.Button
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.*
+
+@Composable
+fun CounterPanel(stateWithIdeLifecycle: MutableState<CounterState>) {
+    var stateInline by remember { mutableStateOf(CounterState()) }
+    Column {
+        Text("Counter with IDE lifecycle: ${stateWithIdeLifecycle.value.counter}")
+        Button(onClick = {
+            stateWithIdeLifecycle.value = stateWithIdeLifecycle.value.copy(
+                counter = stateWithIdeLifecycle.value.counter + 1
+            )
+        }) {
+            Text("Increment state with IDE lifecycle")
+        }
+        Text("Counter with @Composable lifecycle: ${stateInline.counter}")
+        Button(onClick = {
+            stateInline = stateInline.copy(
+                counter = stateInline.counter + 1
+            )
+        }) {
+            Text("Increment state with @Composable lifecycle")
+        }
+    }
+}

examples/intellij-plugin-with-experimental-shared-base/src/main/kotlin/com/jetbrains/compose/panel/CounterState.kt

@@ -0,0 +1,10 @@
+/*
+ * 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.
+ */
+
+package com.jetbrains.compose.panel
+
+data class CounterState(
+    val counter: Int = 0
+)

examples/intellij-plugin-with-experimental-shared-base/src/main/resources/META-INF/plugin.xml

@@ -22,6 +22,8 @@ A plugin demonstrates Jetpack compose capabilities on IntelliJ Platform
     </actions>
     <extensions defaultExtensionNs="com.intellij">
         <codeInsight.lineMarkerProvider language="kotlin" implementationClass="com.jetbrains.compose.color.ColorLineMarkerProvider" />
+        <toolWindow id="Compose" anchor="right" secondary="false" factoryClass="com.jetbrains.compose.panel.ComposeToolWindow"
+                    icon="/icons/compose.svg"/>
     </extensions>
 
 </idea-plugin>

examples/intellij-plugin-with-experimental-shared-base/src/main/resources/icons/compose.svg

@@ -0,0 +1 @@
+<svg width="16" height="16" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><rect id="frame" width="16" height="16" fill="none"/><g fill="none" fill-rule="evenodd"><path d="M8.5 1L14 4l-3.317 1.81L8.5 4.5 6.317 5.81 3 4l5.5-3z" fill="#3DDC84"/><path d="M3 5l3 1.589V9l2 1.2V14l-5-3V5z" fill="#073042"/><path d="M14 5v6l-5 3v-3.8L11 9V6.589L14 5z" fill="#4285F4"/><path fill="#D6F0FF" d="M8.5 4.5L11 6v3l-2.5 1.5L6 9V6z"/></g></svg>