Working on menus

src/main/java/be/seeseemelk/diceos/system/DiceOSAdapter.java

@@ -34,8 +34,6 @@ public class DiceOSAdapter extends ApplicationAdapter {
     private int offsetY = 0;
     private GraphicsContext gc;
 
-    private BitmapFont font;
-
     @Override
     public void create() {
         log.info("DiceOS starting...");
@@ -50,8 +48,6 @@ public class DiceOSAdapter extends ApplicationAdapter {
             task.onStartup();
         }
 
-        font = resourceLoader.loadFont("system/font");
-
         log.info("DiceOS started!");
     }
 
@@ -67,7 +63,8 @@ public class DiceOSAdapter extends ApplicationAdapter {
 
         cursorService.setScale(scaling);
 
-        gc = new GraphicsContext(screenViewport.getCamera(), display.getBatch(), displayHeight, displayWidth, font);
+        gc = new GraphicsContext(screenViewport.getCamera(), display.getBatch(), displayHeight, displayWidth,
+                DiceOS.getResourceLoader().getDefaultFont().getBitmapFont());
     }
 
     @Override

src/main/java/be/seeseemelk/diceos/system/InputService.java

@@ -1,5 +1,6 @@
 package be.seeseemelk.diceos.system;
 
+import be.seeseemelk.diceos.system.toolkit.events.MouseClickEvent;
 import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.Input;
 import com.badlogic.gdx.InputAdapter;
@@ -7,6 +8,8 @@ import io.avaje.inject.Component;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 
+import java.awt.event.KeyEvent;
+
 @Slf4j
 @Component
 @RequiredArgsConstructor
@@ -24,6 +27,19 @@ public class InputService implements OnStartup {
                 } else if (keycode == Input.Keys.ESCAPE) {
                     Gdx.app.exit();
                 }
+                //DiceOS.getWindowService().onEvent(new KeyEvent(keycode));
+                return false;
+            }
+
+            @Override
+            public boolean touchUp(int screenX, int screenY, int pointer, int button) {
+                DiceOS.getWindowService().onEvent(new MouseClickEvent(screenX, screenY, MouseClickEvent.Button.LEFT, MouseClickEvent.Action.RELEASED));
+                return false;
+            }
+
+            @Override
+            public boolean touchDown(int screenX, int screenY, int pointer, int button) {
+                DiceOS.getWindowService().onEvent(new MouseClickEvent(screenX, screenY, MouseClickEvent.Button.LEFT, MouseClickEvent.Action.PRESSED));
                 return false;
             }
         });

src/main/java/be/seeseemelk/diceos/system/ResourceLoader.java

@@ -1,5 +1,6 @@
 package be.seeseemelk.diceos.system;
 
+import be.seeseemelk.diceos.system.font.Font;
 import be.seeseemelk.diceos.system.font.FontLoader;
 import be.seeseemelk.diceos.system.font.FontMetadata;
 import be.seeseemelk.diceos.system.gfx.NinePatchLoader;
@@ -18,6 +19,14 @@ import tools.jackson.dataformat.toml.TomlFactory;
 import java.util.HashMap;
 import java.util.Map;
 
+/**
+ * A utility class responsible for loading and caching graphical and textual assets used in the application.
+ * It manages various types of resources including pixmaps, textures, nine-patches, and fonts, ensuring that
+ * assets are loaded only once and subsequently reused to optimize performance.
+ *
+ * The class supports loading assets from specified file paths and caches them in memory. It implements a
+ * lazy-loading mechanism to defer loading until a resource is requested.
+ */
 @Slf4j
 @RequiredArgsConstructor
 @Component
@@ -25,7 +34,7 @@ public class ResourceLoader {
     private final Map<String, Pixmap> pixmaps = new HashMap<>();
     private final Map<String, Texture> textures = new HashMap<>();
     private final Map<String, NinePatch> ninePatches = new HashMap<>();
-    private final Map<String, BitmapFont> fonts = new HashMap<>();
+    private final Map<String, Font> fonts = new HashMap<>();
     private final ObjectMapper mapper = new ObjectMapper(new TomlFactory());
 
     public Pixmap loadPixmap(String path) {
@@ -36,6 +45,13 @@ public class ResourceLoader {
         return textures.computeIfAbsent(path, p -> new Texture(Gdx.files.internal(p)));
     }
 
+    /**
+     * Loads and retrieves a {@link NinePatch} object for the given image path. The method caches loaded
+     * {@link NinePatch} instances to avoid redundant processing of the same asset.
+     *
+     * @param path the file path of the image to load as a 9-patch
+     * @return the loaded {@link NinePatch} instance corresponding to the specified image path
+     */
     public NinePatch loadNinePatch(String path) {
         return ninePatches.computeIfAbsent(path, p -> {
             var pixmap = loadPixmap(p);
@@ -44,16 +60,28 @@ public class ResourceLoader {
         });
     }
 
-    public BitmapFont loadFont(String path) {
+    /**
+     * Loads and retrieves a {@link Font} object for the given file path.
+     * The method caches loaded {@link Font} instances to avoid redundant
+     * processing of the same asset.
+     *
+     * @param path the file path of the font to load
+     * @return the loaded {@link Font} instance corresponding to the specified file path
+     */
+    public Font loadFont(String path) {
         return fonts.computeIfAbsent(path, this::loadBitmapfont);
     }
 
-    private BitmapFont loadBitmapfont(String path) {
+    public Font getDefaultFont() {
+        return loadFont("system/font");
+    }
+
+    private Font loadBitmapfont(String path) {
         log.info("Loading bitmap font from {}", path);
 
         var metadataString = Gdx.files.internal(path + ".toml").readString();
         var metadata = mapper.readValue(metadataString, FontMetadata.class);
         @Cleanup("dispose") var pixmap = loadPixmap(metadata.getGeneral().getSource());
-        return FontLoader.loadBitmapfont(pixmap, metadata);
+        return new Font(FontLoader.loadBitmapfont(pixmap, metadata));
     }
 }

src/main/java/be/seeseemelk/diceos/system/WindowService.java

@@ -2,14 +2,18 @@ package be.seeseemelk.diceos.system;
 
 import be.seeseemelk.diceos.system.gfx.GraphicsContext;
 import be.seeseemelk.diceos.system.toolkit.Window;
+import be.seeseemelk.diceos.system.toolkit.events.Event;
+import be.seeseemelk.diceos.system.toolkit.events.MouseClickEvent;
 import be.seeseemelk.diceos.system.toolkit.menu.Menu;
 import com.badlogic.gdx.graphics.g2d.NinePatch;
 import io.avaje.inject.Component;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Slf4j
 @RequiredArgsConstructor
 @Component
 public class WindowService implements OnStartup {
@@ -65,11 +69,24 @@ public class WindowService implements OnStartup {
 
         // Render menubar items
         gc.save();
-        gc.translate(5, 0);
+        gc.translate(10, 0);
         for (var submenu : menu.getItems()) {
             submenu.paint(gc);
-            gc.translate(submenu.getWidth(), 0);
+            gc.translate(submenu.getWidth() + 4, 0);
         }
         gc.restore();
     }
+
+    void onEvent(Event event) {
+        switch (event) {
+            case MouseClickEvent e -> onMouseClickEvent(e);
+            default -> {}
+        }
+    }
+
+    private void onMouseClickEvent(MouseClickEvent event) {
+        if (event.getY() <= 14) {
+            log.info("Clicking on menubar");
+        }
+    }
 }

src/main/java/be/seeseemelk/diceos/system/font/Font.java

@@ -0,0 +1,26 @@
+package be.seeseemelk.diceos.system.font;
+
+import com.badlogic.gdx.graphics.g2d.BitmapFont;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+/**
+ * Represents a font used for rendering text, providing utilities
+ * for measuring text dimensions.
+ */
+@RequiredArgsConstructor
+public class Font {
+    @Getter
+    private final BitmapFont bitmapFont;
+
+    /**
+     * Calculates the width of the given text when rendered with the current font.
+     * @param text The text to measure.
+     * @return The width of the text in pixels.
+     */
+    public int getTextWidth(String text) {
+        var layout = new com.badlogic.gdx.graphics.g2d.GlyphLayout();
+        layout.setText(bitmapFont, text);
+        return (int) layout.width;
+    }
+}

src/main/java/be/seeseemelk/diceos/system/font/FontLoader.java

@@ -195,7 +195,7 @@ public class FontLoader {
                     if (!isBlack) {
                         currentTiming.glyphEnd = x;
                         state = State.WAITING_FOR_GLYPH_WIDTHS;
-                        log.info("Found glyph width: {} (from {} to {})", currentTiming.getGlyphWidth(), currentTiming.glyphStart, currentTiming.glyphEnd);
+                        //log.info("Found glyph width: {} (from {} to {})", currentTiming.getGlyphWidth(), currentTiming.glyphStart, currentTiming.glyphEnd);
                     }
                 }
             }

src/main/java/be/seeseemelk/diceos/system/font/GeneralSection.java

@@ -16,6 +16,13 @@ public class GeneralSection {
      */
     private String order;
 
-    // @gemini implement
     private int lineHeight;
+
+    public int getLineHeight() {
+        return lineHeight;
+    }
+
+    public void setLineHeight(int lineHeight) {
+        this.lineHeight = lineHeight;
+    }
 }

src/main/java/be/seeseemelk/diceos/system/toolkit/events/MouseClickEvent.java

@@ -17,9 +17,17 @@ public class MouseClickEvent extends MouseEvent {
      */
     private final Button button;
 
+    /**
+     * The action performed in the mouse click event, indicating whether the mouse button
+     * was pressed or released.
+     */
+    private final Action action;
+
     public enum Button {
-        LEFT,
-        RIGHT,
-        ;
+        LEFT, RIGHT,
+    }
+
+    public enum Action {
+        PRESSED, RELEASED
     }
 }

src/main/java/be/seeseemelk/diceos/system/toolkit/menu/Menu.java

@@ -1,6 +1,7 @@
 package be.seeseemelk.diceos.system.toolkit.menu;
 
 import be.seeseemelk.diceos.system.DiceOS;
+import be.seeseemelk.diceos.system.font.Font;
 import be.seeseemelk.diceos.system.gfx.GraphicsContext;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
@@ -13,6 +14,7 @@ import java.util.List;
 public class Menu implements MenuItem {
     private final String title;
     private final List<MenuItem> items = new ArrayList<>();
+    private final Font font = DiceOS.getResourceLoader().getDefaultFont();
 
     public Menu add(MenuItem item) {
         items.add(item);
@@ -26,7 +28,7 @@ public class Menu implements MenuItem {
 
     @Override
     public int getWidth() {
-        return items.stream().mapToInt(MenuItem::getWidth).max().orElse(0);
+        return font.getTextWidth(title);
     }
 
     @Override