Created
July 7, 2022 11:11
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Desktop Web View
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| plugins { | |
| kotlin("multiplatform") | |
| id("org.openjfx.javafxplugin") version "0.0.10" | |
| } | |
| kotlin { | |
| jvm("desktop") { | |
| compilations.all { | |
| kotlinOptions { | |
| jvmTarget = "11" | |
| } | |
| withJava() | |
| } | |
| } | |
| sourceSets { | |
| val desktopMain by getting { | |
| dependencies { | |
| implementation(compose.desktop.currentOs) | |
| //Optional other deps | |
| implementation(compose.uiTooling) | |
| implementation(compose.runtime) | |
| implementation(compose.foundation) | |
| implementation(compose.material) | |
| implementation(compose.animation) | |
| implementation(compose.animationGraphics) | |
| } | |
| } | |
| } | |
| } | |
| javafx { | |
| version = "17" | |
| modules = listOf("javafx.controls", "javafx.swing", "javafx.web", "javafx.graphics") | |
| } |
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| @Composable | |
| fun DesktopWebView() { | |
| val finishListener = object : PlatformImpl.FinishListener { | |
| override fun idle(implicitExit: Boolean) {} | |
| override fun exitCalled() {} | |
| } | |
| PlatformImpl.addListener(finishListener) | |
| println("Desktop Web View start") | |
| Window( | |
| title = "Web View Test", | |
| resizable = false, | |
| state = WindowState( | |
| placement = WindowPlacement.Floating, | |
| size = DpSize(400.dp, 400.dp) | |
| ), | |
| onCloseRequest = { | |
| PlatformImpl.removeListener(finishListener) | |
| }, | |
| content = { | |
| val jfxPanel = remember { JFXPanel() } | |
| Box(modifier = Modifier.fillMaxSize()) { | |
| ComposeJFXPanel( | |
| composeWindow = window, | |
| jfxPanel = jfxPanel, | |
| onCreate = { | |
| Platform.runLater { | |
| val root = WebView() | |
| val engine = root.engine | |
| val scene = Scene(root) | |
| engine.loadWorker.stateProperty().addListener { _, _, newState -> | |
| if (newState === Worker.State.SUCCEEDED) { | |
| println("State ${newState.name}") | |
| } | |
| } | |
| engine.loadWorker.exceptionProperty().addListener { _, _, newError -> | |
| println("page load error : $newError") | |
| } | |
| jfxPanel.scene = scene | |
| engine.load("http://google.com") // can be a html document from resources .. | |
| engine.setOnError { error -> println("onError : $error") } | |
| } | |
| }, onDestroy = { | |
| Platform.runLater { | |
| } | |
| } | |
| ) | |
| } | |
| } | |
| ) | |
| } | |
| @Composable | |
| fun ComposeJFXPanel( | |
| composeWindow: ComposeWindow, | |
| jfxPanel: JFXPanel, | |
| onCreate: () -> Unit, | |
| onDestroy: () -> Unit = {} | |
| ) { | |
| val jPanel = remember { JPanel() } | |
| val density = LocalDensity.current.density | |
| Layout( | |
| content = {}, | |
| modifier = Modifier.onGloballyPositioned { childCoordinates -> | |
| childCoordinates.parentCoordinates?.let { layoutCoordinates -> | |
| val location = layoutCoordinates.localToWindow(Offset.Zero).round() | |
| val size = layoutCoordinates.size | |
| jPanel.setBounds( | |
| (location.x / density).toInt(), | |
| (location.y / density).toInt(), | |
| (size.width / density).toInt(), | |
| (size.height / density).toInt() | |
| ) | |
| jPanel.validate() | |
| jPanel.repaint() | |
| } | |
| }, | |
| measurePolicy = { _, _ -> layout(0,0) {} } | |
| ) | |
| DisposableEffect(jPanel) { | |
| composeWindow.add(jPanel) | |
| jPanel.layout = BorderLayout(0, 0) | |
| jPanel.add(jfxPanel) | |
| onCreate() | |
| onDispose { | |
| onDestroy() | |
| composeWindow.remove(jPanel) | |
| } | |
| } | |
| } |
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