chore: cmp ui crash window

Author: sureshg

compose/cmp/src/jvmMain/kotlin/Main.kt

@@ -1,11 +1,13 @@
+@file:OptIn(ExperimentalComposeUiApi::class)
+
+import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.ui.Alignment
+import androidx.compose.ui.ExperimentalComposeUiApi
 import androidx.compose.ui.unit.dp
-import androidx.compose.ui.window.Window
-import androidx.compose.ui.window.WindowPosition
-import androidx.compose.ui.window.application
-import androidx.compose.ui.window.rememberWindowState
+import androidx.compose.ui.window.*
 import java.awt.Dimension
 import java.io.File
+import ui.crash.windowExceptionHandlerFactory
 
 val resource by lazy {
   val file =
@@ -14,13 +16,16 @@ val resource by lazy {
 }
 
 fun main() = application {
-  Window(
-      title = resource,
-      state =
-          rememberWindowState(
-              width = 800.dp, height = 600.dp, position = WindowPosition(Alignment.Center)),
-      onCloseRequest = ::exitApplication) {
-        window.minimumSize = Dimension(350, 600)
-        App()
-      }
+  CompositionLocalProvider(
+      LocalWindowExceptionHandlerFactory provides windowExceptionHandlerFactory,
+  ) {
+    val windowState =
+        rememberWindowState(
+            width = 800.dp, height = 600.dp, position = WindowPosition(Alignment.Center))
+
+    Window(title = resource, state = windowState, onCloseRequest = ::exitApplication) {
+      window.minimumSize = Dimension(350, 600)
+      App()
+    }
+  }
 }

compose/cmp/src/jvmMain/kotlin/ui/crash/CrashDialog.kt

@@ -0,0 +1,53 @@
+@file:OptIn(ExperimentalComposeUiApi::class)
+
+package ui.crash
+
+import androidx.compose.ui.ExperimentalComposeUiApi
+import androidx.compose.ui.window.WindowExceptionHandler
+import androidx.compose.ui.window.WindowExceptionHandlerFactory
+import dev.suresh.log
+import java.awt.Dimension
+import java.awt.Font
+import java.io.File
+import javax.swing.JOptionPane
+import javax.swing.JScrollPane
+import javax.swing.JTextArea
+import kotlin.system.exitProcess
+
+private const val FONT_SIZE = 10
+private const val MSG_WIDTH = 640
+private const val MSG_HEIGHT = 480
+
+fun showCrashDialog(logDirectory: File, exception: Throwable) {
+  val title = "App failed unexpectedly"
+  val text = buildString {
+    appendLine("Log directory:")
+    appendLine(logDirectory)
+    appendLine()
+    appendLine("Stack trace:")
+    appendLine(exception.stackTraceToString())
+  }
+  JOptionPane.showMessageDialog(
+      null,
+      JScrollPane(
+              JTextArea(text).apply {
+                font = Font(Font.MONOSPACED, Font.PLAIN, FONT_SIZE)
+                lineWrap = false
+              },
+              JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
+              JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS,
+          )
+          .apply { preferredSize = Dimension(MSG_WIDTH, MSG_HEIGHT) },
+      title,
+      JOptionPane.ERROR_MESSAGE,
+  )
+}
+
+val windowExceptionHandlerFactory = WindowExceptionHandlerFactory { window ->
+  WindowExceptionHandler { ex ->
+    window.dispose()
+    log.error(ex) { "Application UI crash" }
+    showCrashDialog(File("."), ex)
+    exitProcess(1)
+  }
+}

gradle/libs.versions.toml

@@ -194,7 +194,7 @@ jetbrains-compose-nav          = "2.8.0-alpha08"
 jetbrains-compose-viewmodel    = "2.8.0"
 kobweb                         = "0.18.2"
 detekt                         = "1.23.6"
-detekt-compose-rules           = "0.4.5"
+detekt-compose-rules           = "0.4.9"
 mappie                         = "0.6.0"
 
 [libraries]