Fix component SplitPane (#1037)

components/SplitPane/demo/src/jvmMain/kotlin/org/jetbrains/compose/splitpane/demo/Main.kt

@@ -1,49 +1,33 @@
 package org.jetbrains.compose.splitpane.demo
 
 import androidx.compose.desktop.DesktopTheme
-import androidx.compose.desktop.LocalAppWindow
-import androidx.compose.desktop.Window
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.width
 import androidx.compose.material.MaterialTheme
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
+import androidx.compose.ui.ExperimentalComposeUiApi
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.composed
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.SolidColor
-import androidx.compose.ui.input.pointer.pointerMoveFilter
+import androidx.compose.ui.input.pointer.PointerIcon
+import androidx.compose.ui.input.pointer.pointerIcon
 import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.singleWindowApplication
 import org.jetbrains.compose.splitpane.ExperimentalSplitPaneApi
 import org.jetbrains.compose.splitpane.HorizontalSplitPane
 import org.jetbrains.compose.splitpane.VerticalSplitPane
 import org.jetbrains.compose.splitpane.rememberSplitPaneState
 import java.awt.Cursor
 
-private fun Modifier.cursorForHorizontalResize(
-): Modifier = composed {
-    var isHover by remember { mutableStateOf(false) }
-
-    if (isHover) {
-        LocalAppWindow.current.window.cursor = Cursor(Cursor.E_RESIZE_CURSOR)
-    } else {
-        LocalAppWindow.current.window.cursor = Cursor.getDefaultCursor()
-    }
-
-    pointerMoveFilter(
-        onEnter = { isHover = true; true },
-        onExit = { isHover = false; true }
-    )
-}
+@OptIn(ExperimentalComposeUiApi::class)
+private fun Modifier.cursorForHorizontalResize(): Modifier =
+    pointerIcon(PointerIcon(Cursor(Cursor.E_RESIZE_CURSOR)))
 
 @OptIn(ExperimentalSplitPaneApi::class)
-fun main() = Window(
-    "SplitPane demo"
+fun main() = singleWindowApplication(
+    title = "SplitPane demo"
 ) {
     MaterialTheme {
         DesktopTheme {

components/SplitPane/library/src/commonMain/kotlin/org/jetbrains/compose/splitpane/SplitPaneState.kt

@@ -1,9 +1,5 @@
 package org.jetbrains.compose.splitpane
 
-import androidx.compose.foundation.interaction.Interaction
-import androidx.compose.foundation.interaction.InteractionSource
-import androidx.compose.foundation.interaction.MutableInteractionSource
-import androidx.compose.foundation.interaction.collectIsDraggedAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue

components/SplitPane/library/src/desktopMain/kotlin/org/jetbrains/compose/splitpane/DesktopSplitter.kt

@@ -1,45 +1,23 @@
 package org.jetbrains.compose.splitpane
 
-import androidx.compose.desktop.LocalAppWindow
 import androidx.compose.foundation.background
 import androidx.compose.foundation.gestures.detectDragGestures
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.fillMaxHeight
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.layout.*
 import androidx.compose.material.MaterialTheme
 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.ExperimentalComposeUiApi
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.composed
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.input.pointer.PointerIcon
 import androidx.compose.ui.input.pointer.consumeAllChanges
+import androidx.compose.ui.input.pointer.pointerIcon
 import androidx.compose.ui.input.pointer.pointerInput
-import androidx.compose.ui.input.pointer.pointerMoveFilter
 import androidx.compose.ui.unit.dp
 import java.awt.Cursor
 
-private fun Modifier.cursorForHorizontalResize(
-    isHorizontal: Boolean
-): Modifier = composed {
-    var isHover by remember { mutableStateOf(false) }
-
-    if (isHover) {
-        LocalAppWindow.current.window.cursor = Cursor(
-            if (isHorizontal) Cursor.E_RESIZE_CURSOR else Cursor.S_RESIZE_CURSOR
-        )
-    } else {
-        LocalAppWindow.current.window.cursor = Cursor.getDefaultCursor()
-    }
-    pointerMoveFilter(
-        onEnter = { isHover = true; true },
-        onExit = { isHover = false; true }
-    )
-}
+@OptIn(ExperimentalComposeUiApi::class)
+private fun Modifier.cursorForHorizontalResize(isHorizontal: Boolean): Modifier =
+    pointerIcon(PointerIcon(Cursor(if (isHorizontal) Cursor.E_RESIZE_CURSOR else Cursor.S_RESIZE_CURSOR)))
 
 @Composable
 private fun DesktopSplitPaneSeparator(