Welcome screen implementation

app/src/processing/app/Base.java

@@ -23,28 +23,29 @@
 
 package processing.app;
 
-import java.awt.*;
-import java.awt.event.ActionListener;
-import java.io.*;
-import java.lang.reflect.InvocationTargetException;
-import java.util.*;
-import java.util.List;
-import java.util.Map.Entry;
-
-import javax.swing.*;
-import javax.swing.tree.DefaultMutableTreeNode;
-
 import com.formdev.flatlaf.FlatDarkLaf;
 import com.formdev.flatlaf.FlatLaf;
 import com.formdev.flatlaf.FlatLightLaf;
 import processing.app.contrib.*;
 import processing.app.tools.Tool;
 import processing.app.ui.*;
-import processing.app.ui.PreferencesKt;
 import processing.app.ui.Toolkit;
-import processing.core.*;
+import processing.core.PApplet;
 import processing.data.StringList;
 
+import javax.swing.*;
+import javax.swing.tree.DefaultMutableTreeNode;
+import java.awt.*;
+import java.awt.event.ActionListener;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.reflect.InvocationTargetException;
+import java.util.*;
+import java.util.List;
+import java.util.Map.Entry;
+
 /**
  * The base class for the main processing application.
  * Primary role of this class is for platform identification and
@@ -375,13 +376,7 @@ 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);
     }
   }
 
@@ -609,7 +604,7 @@ 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;
@@ -1885,7 +1880,7 @@ public void handleRestart() {
 //  }
 
 
-  public void thinkDifferentExamples() {
+  public void showExamplesFrame() {
     nextMode.showExamplesFrame();
   }
 
@@ -2191,7 +2186,10 @@ static private Mode findSketchMode(File folder, List<Mode> modeList) {
    * Show the Preferences window.
    */
   public void handlePrefs() {
-      PreferencesKt.show();
+      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