diff --git a/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/ComposeDemoAction.kt b/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/ComposeDemoAction.kt
old mode 100644
new mode 100755
index a66f5a6fd0..764ce9bca9
--- a/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/ComposeDemoAction.kt
+++ b/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/ComposeDemoAction.kt
@@ -1,18 +1,22 @@
 package com.jetbrains.compose
 
 import androidx.compose.desktop.ComposePanel
-import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.size
-import androidx.compose.material.Button
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.IntSize
 import com.intellij.openapi.actionSystem.AnActionEvent
 import com.intellij.openapi.project.DumbAwareAction
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.ui.DialogWrapper
 import com.intellij.ui.layout.panel
+import com.jetbrains.compose.widgets.Buttons
+import com.jetbrains.compose.widgets.LazyScrollable
+import com.jetbrains.compose.widgets.Loaders
+import com.jetbrains.compose.widgets.TextInputs
+import com.jetbrains.compose.widgets.Toggles
 import java.awt.Dimension
 import javax.swing.JComponent
 
@@ -32,19 +36,33 @@ class ComposeDemoAction : DumbAwareAction() {
         }
 
         override fun createCenterPanel(): JComponent {
+            val dialog = this
+            var packed = false
             return ComposePanel().apply {
                 setContent {
-                    Button(onClick = { println("Hi") }) {
-                        //Text("Hello") //todo: crashes IntelliJ
-                        Box(
-                            modifier = Modifier
-                                .background(color = Color.Red)
-                                .size(20.dp, 20.dp)
-                        )
+                    ComposeSizeAdjustmentWrapper(
+                        window = dialog,
+                        panel = this,
+                        preferredSize = IntSize(800, 600)
+                    ) {
+                        Row {
+                            Column(
+                                modifier = Modifier.fillMaxHeight().weight(1f)
+                            ) {
+                                Buttons()
+                                Loaders()
+                                TextInputs()
+                                Toggles()
+                            }
+                            Box(
+                                modifier = Modifier.fillMaxHeight().weight(1f)
+                            ) {
+                                LazyScrollable()
+                            }
+                        }
                     }
                 }
-                size = Dimension(50, 50)
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/ComposeSizeAdjustmentWrapper.kt b/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/ComposeSizeAdjustmentWrapper.kt
new file mode 100755
index 0000000000..bf6170470f
--- /dev/null
+++ b/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/ComposeSizeAdjustmentWrapper.kt
@@ -0,0 +1,45 @@
+package com.jetbrains.compose
+
+import androidx.compose.desktop.ComposePanel
+import androidx.compose.foundation.layout.Box
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.layout.Layout
+import androidx.compose.ui.layout.onGloballyPositioned
+import androidx.compose.ui.unit.IntSize
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import com.intellij.openapi.ui.DialogWrapper
+import java.awt.Dimension
+import java.awt.Window
+import javax.swing.JComponent
+
+@Composable
+fun ComposeSizeAdjustmentWrapper(
+    window: DialogWrapper,
+    panel: ComposePanel,
+    preferredSize: IntSize,
+    content: @Composable () -> Unit
+) {
+    var packed = false
+    Box {
+        content()
+        Layout(
+            content = {},
+            modifier = Modifier.onGloballyPositioned { childCoordinates ->
+                // adjust size of the dialog
+                if (!packed) {
+                    val contentSize = childCoordinates.parentCoordinates!!.size
+                    panel.preferredSize = Dimension(
+                        if (contentSize.width < preferredSize.width) preferredSize.width else contentSize.width,
+                        if (contentSize.height < preferredSize.height) preferredSize.height else contentSize.height,
+                    )
+                    window.pack()
+                    packed = true
+                }
+            },
+            measureBlock = { _, _ ->
+                layout(0, 0) {}
+            }
+        )
+    }
+}
diff --git a/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/widgets/Buttons.kt b/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/widgets/Buttons.kt
new file mode 100755
index 0000000000..a30d9b64cc
--- /dev/null
+++ b/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/widgets/Buttons.kt
@@ -0,0 +1,49 @@
+package com.jetbrains.compose.widgets
+
+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(Icons.Default.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(Icons.Default.Refresh, modifier = Modifier.padding(0.dp))
+        }
+    }
+}
\ No newline at end of file
diff --git a/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/widgets/LazyScrollable.kt b/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/widgets/LazyScrollable.kt
new file mode 100755
index 0000000000..7b9344340d
--- /dev/null
+++ b/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/widgets/LazyScrollable.kt
@@ -0,0 +1,63 @@
+package com.jetbrains.compose.widgets
+
+import androidx.compose.desktop.DesktopTheme
+import androidx.compose.foundation.background
+import androidx.compose.foundation.ExperimentalFoundationApi
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.rememberLazyListState
+import androidx.compose.foundation.rememberScrollbarAdapter
+import androidx.compose.foundation.Text
+import androidx.compose.foundation.VerticalScrollbar
+import androidx.compose.material.MaterialTheme
+import androidx.compose.foundation.layout.*
+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
+
+@OptIn(ExperimentalFoundationApi::class)
+@Composable
+fun LazyScrollable() {
+    MaterialTheme {
+        DesktopTheme {
+            Box(
+                modifier = Modifier.fillMaxSize()
+                    .background(color = Color(180, 180, 180))
+                    .padding(10.dp)
+            ) {
+
+                val state = rememberLazyListState()
+                val itemCount = 100
+
+                LazyColumn(Modifier.fillMaxSize().padding(end = 12.dp), state) {
+                    items((1..itemCount).toList()) { x ->
+                        TextBox("Item in ScrollableColumn #$x")
+                        Spacer(modifier = Modifier.height(5.dp))
+                    }
+                }
+                VerticalScrollbar(
+                    modifier = Modifier.align(Alignment.CenterEnd).fillMaxHeight(),
+                    adapter = rememberScrollbarAdapter(
+                        scrollState = state,
+                        itemCount = itemCount,
+                        averageItemSize = 37.dp // TextBox height + Spacer height
+                    )
+                )
+            }
+        }
+    }
+}
+
+@Composable
+private fun TextBox(text: String = "Item") {
+    Box(
+        modifier = Modifier.height(32.dp)
+            .fillMaxWidth()
+            .background(color = Color(0, 0, 0, 20))
+            .padding(start = 10.dp),
+        contentAlignment = Alignment.CenterStart
+    ) {
+        Text(text = text)
+    }
+}
\ No newline at end of file
diff --git a/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/widgets/Loaders.kt b/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/widgets/Loaders.kt
new file mode 100755
index 0000000000..a18252459b
--- /dev/null
+++ b/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/widgets/Loaders.kt
@@ -0,0 +1,39 @@
+package com.jetbrains.compose.widgets
+
+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())
+        }
+    }
+}
\ No newline at end of file
diff --git a/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/widgets/TextInputs.kt b/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/widgets/TextInputs.kt
new file mode 100755
index 0000000000..672a2d7120
--- /dev/null
+++ b/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/widgets/TextInputs.kt
@@ -0,0 +1,47 @@
+package com.jetbrains.compose.widgets
+
+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.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(),
+            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") },
+            visualTransformation = PasswordVisualTransformation(),
+            onValueChange = {
+                password = it
+            },
+            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Password)
+        )
+    }
+}
\ No newline at end of file
diff --git a/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/widgets/Toggles.kt b/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/widgets/Toggles.kt
new file mode 100755
index 0000000000..35f5466f8b
--- /dev/null
+++ b/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/widgets/Toggles.kt
@@ -0,0 +1,90 @@
+package com.jetbrains.compose.widgets
+
+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.foundation.text.KeyboardOptions
+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.SwitchConstants
+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.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 = SwitchConstants.defaultColors(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 {
+                    RadioButton(selected = selected == "Kotlin", onClick = { selected = "Kotlin" })
+                    Text(
+                        text = "Kotlin",
+                        modifier = Modifier.clickable(onClick = { selected = "Kotlin" }).padding(start = 4.dp)
+                    )
+                }
+                Row {
+                    RadioButton(selected = selected == "Java", onClick = { selected = "Java" })
+                    Text(
+                        text = "Java",
+                        modifier = Modifier.clickable(onClick = { selected = "Java" }).padding(start = 4.dp)
+                    )
+                }
+                Row {
+                    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,
+            thumbColor = MaterialTheme.colors.secondary,
+            onValueChange = { newValue ->
+                sliderState2 = newValue
+            }
+        )
+    }
+}
\ No newline at end of file