Remove DesktopMaterialTheme from documentation and tenmplates

templates/desktop-template/src/main/kotlin/main.kt

@@ -1,6 +1,6 @@
-import androidx.compose.desktop.DesktopMaterialTheme
 import androidx.compose.desktop.ui.tooling.preview.Preview
 import androidx.compose.material.Button
+import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
@@ -15,7 +15,7 @@ import androidx.compose.ui.window.application
 fun App() {
     var text by remember { mutableStateOf("Hello, World!") }
 
-    DesktopMaterialTheme {
+    MaterialTheme {
         Button(onClick = {
             text = "Hello, Desktop!"
         }) {

templates/multiplatform-template/android/src/main/java/com/myapplication/MainActivity.kt

@@ -4,16 +4,13 @@ import App
 import android.os.Bundle
 import androidx.activity.compose.setContent
 import androidx.appcompat.app.AppCompatActivity
-import androidx.compose.material.MaterialTheme
 
 class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
         setContent {
-            MaterialTheme {
-                App()
-            }
+            App()
         }
     }
 }

templates/multiplatform-template/common/src/commonMain/kotlin/App.kt

@@ -1,4 +1,5 @@
 import androidx.compose.material.Button
+import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
@@ -8,12 +9,14 @@ import androidx.compose.runtime.setValue
 
 @Composable
 fun App() {
-    var text by remember { mutableStateOf("Hello, World!") }
+    MaterialTheme {
+        var text by remember { mutableStateOf("Hello, World!") }
 
-    Button(onClick = {
-        text = "Hello, ${getPlatformName()}"
-    }) {
-        Text(text)
+        Button(onClick = {
+            text = "Hello, ${getPlatformName()}"
+        }) {
+            Text(text)
+        }
     }
 }
 

templates/multiplatform-template/desktop/src/jvmMain/kotlin/main.kt

@@ -1,11 +1,8 @@
-import androidx.compose.desktop.DesktopMaterialTheme
 import androidx.compose.ui.window.Window
 import androidx.compose.ui.window.application
 
 fun main() = application {
     Window(onCloseRequest = ::exitApplication) {
-        DesktopMaterialTheme {
-            App()
-        }
+        App()
     }
 }

tutorials/Desktop_Components/README.md

@@ -172,89 +172,6 @@ fun TextBox(text: String = "Item") {
 
 <img alt="Lazy component" src="lazy_scrollbar.gif" height="412" />
 
-## Theme applying
-
-Scrollbars support themes to change their appearance. The example below shows how to use the `DesktopMaterialTheme` appearance for the scrollbar.
-
-```kotlin
-import androidx.compose.desktop.DesktopMaterialTheme
-import androidx.compose.foundation.background
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.fillMaxHeight
-import androidx.compose.foundation.layout.fillMaxWidth
-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.rememberScrollState
-import androidx.compose.material.Text
-import androidx.compose.foundation.VerticalScrollbar
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.verticalScroll
-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
-import androidx.compose.ui.window.Window
-import androidx.compose.ui.window.application
-import androidx.compose.ui.window.rememberWindowState
-
-fun main() = application {
-    Window(
-        onCloseRequest = ::exitApplication,
-        title = "Scrollbars",
-        state = rememberWindowState(width = 250.dp, height = 400.dp)
-    ) {
-        DesktopMaterialTheme {
-            Box(
-                modifier = Modifier.fillMaxSize()
-                    .background(color = Color(180, 180, 180))
-                    .padding(10.dp)
-            ) {
-                val state = rememberScrollState(0)
-
-                Column(
-                    modifier = Modifier
-                        .verticalScroll(state)
-                        .fillMaxSize()
-                        .padding(end = 12.dp)
-                ) {
-                    for (item in 0..30) {
-                        TextBox("Item #$item")
-                        if (item < 30) {
-                            Spacer(modifier = Modifier.height(5.dp))
-                        }
-                    }
-                }
-                VerticalScrollbar(
-                    modifier = Modifier.align(Alignment.CenterEnd)
-                        .fillMaxHeight(),
-                    adapter = rememberScrollbarAdapter(state)
-                )
-            }
-        }
-    }
-}
-
-@Composable
-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)
-    }
-}
-```
-
-<img alt="Themed scrollbar" src="themed_scrollbar.gif" height="412" />
-
-
 ## Tooltips
 
 You can add tooltip to any components using `BoxWithTooltip`. Basically `BoxWithTooltip` is a `Box` with the ability to show a tooltip, and has the same arguments and behavior as `Box`.