New Preferences Screen

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

@@ -205,39 +205,91 @@ close.unsaved_changes = Save changes to %s?
 
 # Preferences (Frame)
 preferences = Preferences
+preferences.description=Change how Processing works on your computer. These settings affect all Processing windows and stay the same even after you restart.
+preferences.pane.general=General
+preferences.pane.interface=Appearance
+preferences.pane.editor=Code
+preferences.pane.sketches=Sketches
+preferences.pane.other=Advanced
+preferences.new=New
+preferences.reset=Reset to Defaults
+preferences.reset_changes=Reset
+preferences.unconfirmed_changes=You have unsaved changes!
+preferences.apply_changes=Confirm Changes
+preferences.experimental=Experimental
+preferences.no_results=No results found
+preferences.sync_folder_and_filename=Folder name matches sketch name
+preferences.sync_folder_and_filename.tip=When enabled, renaming a sketch will also rename its folder to match the sketch name. [Learn more](https://discourse.processing.org/t/sketch-folder-and-sketch-name-syncing/15345)
+preferences.show_welcome_screen=Show welcome screen at startup
+preferences.diagnostics=Generate diagnostic report for support
+preferences.diagnostics.tip=Copies information about your installation into your clipboard, useful for troubleshooting issues.
+preferences.diagnostics.button=Generate Report
+preferences.diagnostics.button.copied=Report copied to clipboard
 preferences.button.width = 80
 preferences.restart_required = Restart Processing to apply changes
 preferences.sketchbook_location = Sketchbook folder
 preferences.sketchbook_location.popup = Sketchbook folder
 preferences.sketch_naming = Sketch name
-preferences.language = Language:
-preferences.editor_and_console_font = Editor and Console font:
-preferences.editor_and_console_font.tip = Select the font used in the Editor and the Console.<br>Only monospaced (fixed-width) fonts may be used,<br>though the list may be imperfect.
-preferences.editor_font_size = Editor font size:
-preferences.console_font_size = Console font size:
-preferences.interface_scale = Interface scale:
+preferences.sketch_naming.tip=Choose how new sketches are named and numbered.
+preferences.language=Language
+preferences.editor_and_console_font=Editor and Console font
+preferences.editor_and_console_font.tip=Installed Monospaced fonts will be displayed as options.
+preferences.editor_font_size=Editor font size
+preferences.console_font_size=Console font size
+preferences.editor.theme=Theme
+preferences.editor.theme.tip=Choose a color theme for windows except for the editor.
+preferences.editor.theme.system=System
+preferences.editor.theme.light=Light
+preferences.editor.theme.dark=Dark
+preferences.interface_theme=Interface theme
+preferences.interface_scale=Interface scale
+preferences.interface_scale.tip=Adjust the size of interface elements.
 preferences.interface_scale.auto = Automatic
 preferences.background_color = Background color when Presenting:
-preferences.background_color.tip = Select the background color used when using Present.<br>Present is used to present a sketch in full-screen,<br>accessible from the Sketch menu.
+preferences.background_color.tip=Select the background color used when using Present. Present is used to present a sketch in full-screen, accessible from the Sketch menu.
 preferences.use_smooth_text = Use smooth text in editor window
 preferences.enable_complex_text = Enable complex text input
-preferences.enable_complex_text.tip = Using languages such as Chinese, Japanese, and Arabic<br>in the Editor window require additional features to be enabled.
+preferences.enable_complex_text.tip=Using languages such as Chinese, Japanese, and Arabic in the Editor window require additional features to be enabled.
 preferences.continuously_check = Continuously check for errors
 preferences.show_warnings = Show warnings
 preferences.code_completion = Code completion with
 preferences.trigger_with = Trigger with
 preferences.cmd_space = space
 preferences.suggest_imports = Suggest import statements
+preferences.increase_memory=Increase maximum available memory
 preferences.increase_max_memory = Increase maximum available memory to
 # preferences.delete_previous_folder_on_export = Delete previous folder on export
 preferences.check_for_updates_on_startup = Allow update checking (see FAQ for information shared)
+preferences.update_check=Check for updates on startup
+preferences.update_check.tip=No personal information is sent during this process. See the [FAQ](https://github.com/processing/processing4/wiki/FAQ#checking-for-updates)
 preferences.run_sketches_on_display = Run sketches on display
-preferences.run_sketches_on_display.tip = Sets the display where sketches are initially placed.<br>As usual, if the sketch window is moved, it will re-open<br>at the same location, however when running in present<br>(full screen) mode, this display will always be used.
+preferences.run_sketches_on_display.tip=Sets the display where sketches are initially placed. As usual, if the sketch window is moved, it will re-open at the same location, however when running in present (full screen) mode, this display will always be used.
 preferences.automatically_associate_pde_files = Automatically associate .pde files with Processing
 preferences.launch_programs_in = Launch programs in
 preferences.launch_programs_in.mode = mode
 preferences.file = More preferences can be edited directly in the file:
 preferences.file.hint = (Edit only when Processing is not running.)
+preferences.other=Show experimental settings
+preferences.other.tip=These settings are contained in the preferences.txt file and are not officially supported. They may be removed or changed without notice in future versions of Processing.
+# Preferences (Experimental Pane)
+# Keys from the comments of defaults.txt (Nov 2025)
+preferences.contribution.backup.on_remove=Backup contributions when "Remove" button is pressed
+preferences.contribution.backup.on_remove.tip=When enabled, a backup copy of the contribution will be created in your sketchbook "tools", "modes", "libraries", or "examples" folder when you remove it via the Contribution Manager.
+preferences.contribution.backup.on_install=Backup contributions when installing a newer version
+preferences.contribution.backup.on_install.tip=When enabled, a backup copy of the contribution will be created in your sketchbook "tools", "modes", "libraries", or "examples" folder when you install a newer version via the Contribution Manager.
+preferences.recent.count=Number of recent sketches to show
+preferences.chooser.files.native=Use native file chooser dialogs
+preferences.theme.gradient.method=Gradient method for themes
+preferences.theme.gradient.method.tip=Set to 'lab' to interpolate theme gradients using L*a*b* color space
+preferences.platform.auto_file_type_associations=Automatically set file type associations (Windows only)
+preferences.platform.auto_file_type_associations.tip=When enabled, Processing will attempt to set itself as the default application for .pde files on Windows systems.
+preferences.editor.window.width.default=Default editor window width
+preferences.editor.window.height.default=Default editor window height
+preferences.editor.window.width.min=Minimum editor window width
+preferences.editor.window.height.min=Minimum editor window height
+preferences.editor.smooth=Enable antialiasing in the code editor
+preferences.editor.caret.blink=Blink the caret
+preferences.editor.caret.block=Use block caret
 
 # Sketchbook Location (Frame)
 sketchbook_location = Select new sketchbook folder

app/src/processing/app/Base.java

@@ -2174,10 +2174,7 @@ 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();
+      PDEPreferencesKt.show();
   }
 
 

app/src/processing/app/Messages.kt

@@ -29,9 +29,15 @@ import androidx.compose.ui.window.Window
 import androidx.compose.ui.window.application
 import androidx.compose.ui.window.rememberWindowState
 import com.formdev.flatlaf.FlatLightLaf
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.ExperimentalComposeUiApi
+import androidx.compose.ui.awt.ComposeDialog
+import androidx.compose.ui.layout.onSizeChanged
+import androidx.compose.ui.platform.LocalDensity
 import processing.app.ui.Toolkit
 import processing.app.ui.theme.PDETheme
 import java.awt.EventQueue
+import java.awt.Dimension
 import java.awt.Frame
 import java.io.PrintWriter
 import java.io.StringWriter
@@ -284,14 +290,65 @@ class Messages {
         }
     }
 }
-fun main(){
+
+@OptIn(ExperimentalComposeUiApi::class)
+fun showDialog(title: String, content: @Composable (modifier: Modifier, dismiss: () -> Unit) -> Unit) {
+    ComposeDialog().apply {
+        isModal = true
+        setTitle(title)
+        size = Dimension(400, 400)
+        rootPane.putClientProperty("apple.awt.fullWindowContent", true)
+        rootPane.putClientProperty("apple.awt.transparentTitleBar", true)
+        rootPane.putClientProperty("apple.awt.windowTitleVisible", false);
+
+
+        setContent {
+            PDETheme {
+                val density = LocalDensity.current
+                content(Modifier.onSizeChanged {
+                    size = Dimension((it.width / density.density).toInt(), (it.height / density.density).toInt())
+                    setLocationRelativeTo(null)
+                }, ::dispose)
+            }
+        }
+        setLocationRelativeTo(null)
+        isVisible = true
+    }
+}
+
+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") },
+        "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()
@@ -322,6 +379,7 @@ fun String.formatClassName() = this
     .replace(".", "/")
     .padEnd(40)
     .colorizePathParts()
+
 fun String.colorizePathParts() = split("/").joinToString("/") { part ->
     "\u001B[${31 + (part.hashCode() and 0x7).rem(6)}m$part\u001B[0m"
 }

app/src/processing/app/Preferences.java

@@ -87,8 +87,13 @@ static public void init() {
       setBoolean("editor.input_method_support", true);
     }
 
+
     // next load user preferences file
     preferencesFile = Base.getSettingsFile(PREFS_FILE);
+      var preferencesFileOverride = System.getProperty("processing.app.preferences.file");
+      if (preferencesFileOverride != null && !preferencesFileOverride.isEmpty()) {
+          preferencesFile = new File(preferencesFileOverride);
+      }
     boolean firstRun = !preferencesFile.exists();
     if (!firstRun) {
       try {
@@ -179,9 +184,11 @@ static public void load(InputStream input) throws IOException {
 
     String[] lines = PApplet.loadStrings(input);  // Reads as UTF-8
     for (String line : lines) {
-      if ((line.length() == 0) ||
+        if ((line.isEmpty()) ||
           (line.charAt(0) == '#')) continue;
 
+        line = line.replace("\\", "/");  // normalize slashes in paths
+
       // this won't properly handle = signs being in the text
       int equals = line.indexOf('=');
       if (equals != -1) {

app/src/processing/app/Preferences.kt

@@ -87,6 +87,14 @@ fun PreferencesProvider(content: @Composable () -> Unit) {
         preferencesFile.createNewFile()
     }
 
+    remember {
+        // check if the file has backward slashes
+        if (preferencesFile.readText().contains("\\")) {
+            val correctedText = preferencesFile.readText().replace("\\", "/")
+            preferencesFile.writeText(correctedText)
+        }
+    }
+
     val update = watchFile(preferencesFile)
 
 

app/src/processing/app/ui/EditorFooter.java

@@ -22,15 +22,14 @@
 
 package processing.app.ui;
 
-import java.awt.CardLayout;
-import java.awt.Color;
-import java.awt.Component;
-import java.awt.Dimension;
-import java.awt.Font;
-import java.awt.Graphics;
-import java.awt.Graphics2D;
-import java.awt.Image;
-import java.awt.datatransfer.Clipboard;
+import processing.app.Base;
+import processing.app.Mode;
+import processing.app.Sketch;
+import processing.app.contrib.ContributionManager;
+import processing.data.StringDict;
+
+import javax.swing.*;
+import java.awt.*;
 import java.awt.datatransfer.StringSelection;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
@@ -39,14 +38,6 @@
 import java.util.ArrayList;
 import java.util.List;
 
-import javax.swing.*;
-
-import processing.app.Base;
-import processing.app.Mode;
-import processing.app.Sketch;
-import processing.app.contrib.ContributionManager;
-import processing.data.StringDict;
-
 
 /**
  * Console/error/whatever tabs at the bottom of the editor window.
@@ -118,6 +109,18 @@ public void mousePressed(MouseEvent e) {
           Base.DEBUG = !Base.DEBUG;
           editor.updateDevelopMenu();
         }
+          copyDebugInformationToClipboard();
+      }
+    });
+
+      tabBar.add(version);
+
+      add(tabBar);
+
+      updateTheme();
+  }
+
+    public static void copyDebugInformationToClipboard() {
         var debugInformation = String.join("\n",
             "Version: " + Base.getVersionName(),
             "Revision: " + Base.getRevision(),
@@ -127,18 +130,12 @@ public void mousePressed(MouseEvent e) {
         var stringSelection = new StringSelection(debugInformation);
         var clipboard = java.awt.Toolkit.getDefaultToolkit().getSystemClipboard();
         clipboard.setContents(stringSelection, null);
-      }
-    });
-
-    tabBar.add(version);
-
-    add(tabBar);
-
-    updateTheme();
-  }
+    }
 
 
-  /** Add a panel with no icon. */
+    /**
+     * Add a panel with no icon.
+     */
   public void addPanel(Component comp, String name) {
     addPanel(comp, name, null);
   }