Welcome screen

app/build.gradle.kts

@@ -1,6 +1,7 @@
 import org.gradle.internal.jvm.Jvm
 import org.gradle.internal.os.OperatingSystem
 import org.gradle.nativeplatform.platform.internal.DefaultNativePlatform
+import org.jetbrains.compose.ExperimentalComposeLibrary
 import org.jetbrains.compose.desktop.application.dsl.TargetFormat
 import org.jetbrains.compose.desktop.application.tasks.AbstractJPackageTask
 import org.jetbrains.compose.internal.de.undercouch.gradle.tasks.download.Download
@@ -16,6 +17,7 @@ plugins{
 
     alias(libs.plugins.compose.compiler)
     alias(libs.plugins.jetbrainsCompose)
+
     alias(libs.plugins.serialization)
     alias(libs.plugins.download)
 }
@@ -59,7 +61,7 @@ compose.desktop {
         ).map { "-D${it.first}=${it.second}" }.toTypedArray())
 
         nativeDistributions{
-            modules("jdk.jdi", "java.compiler", "jdk.accessibility", "java.management.rmi", "java.scripting", "jdk.httpserver")
+            modules("jdk.jdi", "java.compiler", "jdk.accessibility", "jdk.zipfs", "java.management.rmi", "java.scripting", "jdk.httpserver")
             targetFormats(TargetFormat.Dmg, TargetFormat.Msi, TargetFormat.Deb)
             packageName = "Processing"
 
@@ -107,25 +109,29 @@ dependencies {
 
     implementation(compose.runtime)
     implementation(compose.foundation)
-    implementation(compose.material)
     implementation(compose.ui)
     implementation(compose.components.resources)
     implementation(compose.components.uiToolingPreview)
+    implementation(compose.materialIconsExtended)
 
     implementation(compose.desktop.currentOs)
+    implementation(libs.material3)
 
     implementation(libs.compottie)
     implementation(libs.kaml)
     implementation(libs.markdown)
     implementation(libs.markdownJVM)
 
+    implementation(libs.clikt)
+    implementation(libs.kotlinxSerializationJson)
+
+    @OptIn(ExperimentalComposeLibrary::class)
+    testImplementation(compose.uiTest)
     testImplementation(kotlin("test"))
     testImplementation(libs.mockitoKotlin)
     testImplementation(libs.junitJupiter)
     testImplementation(libs.junitJupiterParams)
-
-    implementation(libs.clikt)
-    implementation(libs.kotlinxSerializationJson)
+
 }
 
 tasks.test {

app/src/main/resources/languages/PDE.properties

@@ -643,6 +643,23 @@ welcome.survey.description=Processing is free, open-source, and shaped by its co
 color_chooser = Color Selector
 color_chooser.select = Select
 
+
+# ---------------------------------------
+# Welcome Screen
+welcome.processing.logo = Processing Logo
+welcome.processing.title = Welcome to Processing
+welcome.actions.sketch.new = New Sketch
+welcome.actions.examples = Open Examples
+welcome.actions.sketchbook = My Sketches
+welcome.actions.show_startup = Show this window at startup
+welcome.resources.title = Resources
+welcome.resources.get_started = Get Started
+welcome.resources.tutorials = Tutorials
+welcome.resources.documentation = Reference
+welcome.community.title = Join our community
+welcome.community.forum = Forum
+welcome.sketch.open = Open
+
 # ---------------------------------------
 # Movie Maker
 

app/src/main/resources/languages/PDE_nl.properties

@@ -327,6 +327,22 @@ beta.title = Dankuwel voor het testen van deze Processing Beta!
 beta.message = Deze preview release laat ons feedback verzamelen en problemen oplossen. **Sommige functies werken mogelijk niet zoals verwacht.** Als u problemen ondervindt, [post dan op het forum](https://discourse.processing.org) of [open een GitHub issue](https://github.com/processing/processing4/issues).
 beta.button = Ok
 
+
+# ---------------------------------------
+# Welcome Screen
+welcome.processing.logo = Processing Logo
+welcome.processing.title = Welkom bij Processing!
+welcome.actions.sketch.new = Nieuwe Schets
+welcome.actions.examples = Open Voorbeelden
+welcome.actions.show_startup = Laat dit scherm zien bij opstarten
+welcome.resources.title = Resources
+welcome.resources.video = Video Cursus
+welcome.resources.get_started = Om te beginnen
+welcome.resources.tutorials = Tutorials
+welcome.resources.documentation = Handleiding
+welcome.community.title = Neem deel aan de Community
+welcome.community.forum = Forum
+
 # ---------------------------------------
 # Color Chooser
 color_chooser = Kies een kleur...

app/src/processing/app/Base.java

@@ -328,13 +328,7 @@ static private void handleWelcomeScreen(Base base) {
     // Needs to be shown after the first editor window opens, so that it
     // shows up on top, and doesn't prevent an editor window from opening.
     if (Preferences.getBoolean("welcome.four.show")) {
-      try {
-        new Welcome(base);
-      } catch (IOException e) {
-        Messages.showTrace("Unwelcoming",
-          "Please report this error to\n" +
-            "https://github.com/processing/processing4/issues", e, false);
-      }
+        PDEWelcomeKt.showWelcomeScreen(base);
     }
   }
 
@@ -598,7 +592,7 @@ public JMenu initDefaultFileMenu() {
     defaultFileMenu.add(item);
 
     item = Toolkit.newJMenuItemShift(Language.text("menu.file.examples"), 'O');
-    item.addActionListener(e -> thinkDifferentExamples());
+    item.addActionListener(e -> showExamplesFrame());
     defaultFileMenu.add(item);
 
     return defaultFileMenu;
@@ -1874,7 +1868,7 @@ public void handleRestart() {
 //  }
 
 
-  public void thinkDifferentExamples() {
+  public void showExamplesFrame() {
     nextMode.showExamplesFrame();
   }
 
@@ -2180,10 +2174,10 @@ static private Mode findSketchMode(File folder, List<Mode> modeList) {
    * Show the Preferences window.
    */
   public void handlePrefs() {
-    if (preferencesFrame == null) {
-      preferencesFrame = new PreferencesFrame(this);
-    }
-    preferencesFrame.showFrame();
+      if (preferencesFrame == null) {
+          preferencesFrame = new PreferencesFrame(this);
+      }
+      preferencesFrame.showFrame();
   }
 
 

app/src/processing/app/Messages.kt

@@ -18,13 +18,27 @@
 */
 package processing.app
 
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Button
+import androidx.compose.material3.Text
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.DpSize
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Window
+import androidx.compose.ui.window.application
+import androidx.compose.ui.window.rememberWindowState
+import com.formdev.flatlaf.FlatLightLaf
 import processing.app.ui.Toolkit
+import processing.app.ui.theme.PDETheme
 import java.awt.EventQueue
 import java.awt.Frame
 import java.io.PrintWriter
 import java.io.StringWriter
 import javax.swing.JFrame
 import javax.swing.JOptionPane
+import javax.swing.UIManager
+
 
 class Messages {
     companion object {
@@ -270,6 +284,37 @@ class Messages {
         }
     }
 }
+fun main(){
+    val types = mapOf(
+        "message" to { Messages.showMessage("Test Title", "This is a test message.") },
+        "warning" to { Messages.showWarning("Test Warning", "This is a test warning.", Exception("dfdsfjk")) },
+        "trace" to { Messages.showTrace("Test Trace", "This is a test trace.", Exception("Test Exception"), false) },
+        "tiered_warning" to { Messages.showWarningTiered("Test Tiered Warning", "Primary message", "Secondary message", null) },
+        "yes_no" to { Messages.showYesNoQuestion(null, "Test Yes/No", "Do you want to continue?", "Choose yes or no.") },
+        "custom_question" to { Messages.showCustomQuestion(null, "Test Custom Question", "Choose an option:", "Select one of the options below.", 1, "Option 1", "Option 2", "Option 3") },
+        "error" to { Messages.showError("Test Error", "This is a test error.", null) },
+    )
+    Platform.init()
+    UIManager.setLookAndFeel(FlatLightLaf())
+    application {
+        val state = rememberWindowState(
+            size = DpSize(500.dp, 300.dp)
+        )
+        Window(state = state, onCloseRequest = ::exitApplication, title = "Test Messages") {
+            PDETheme {
+                Column {
+                    for ((type, action) in types) {
+                        Button(onClick = { action() }, modifier = Modifier.padding(8.dp)) {
+                            Text("Show $type dialog")
+                        }
+                    }
+                }
+            }
+        }
+
+    }
+
+}
 
 // Helper functions to give the base classes a color
 fun String.formatClassName() = this

app/src/processing/app/Preferences.java

@@ -138,6 +138,14 @@ static public void skipInit() {
     initialized = true;
   }
 
+  /**
+   * Check whether Preferences.init() has been called. If not, we are probably not running the full application.
+   * @return true if Preferences has been initialized
+   */
+  static public boolean isInitialized() {
+    return initialized;
+  }
+
 
   static void handleProxy(String protocol, String hostProp, String portProp) {
     String proxyHost = get("proxy." + protocol + ".host");