Refactor graphics handling by renaming Graphics to GraphicsContext and introducing WindowService for menubar management

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

@@ -1,9 +1,9 @@
 package be.seeseemelk.diceos.system;
 
+import be.seeseemelk.diceos.system.gfx.GraphicsContext;
 import com.badlogic.gdx.ApplicationAdapter;
 import com.badlogic.gdx.graphics.Color;
 import com.badlogic.gdx.graphics.Texture;
-import com.badlogic.gdx.graphics.g2d.NinePatch;
 import com.badlogic.gdx.graphics.g2d.TextureRegion;
 import com.badlogic.gdx.utils.ScreenUtils;
 import com.badlogic.gdx.utils.viewport.ScreenViewport;
@@ -21,22 +21,22 @@ public class DiceOS extends ApplicationAdapter {
     private final ResourceLoader resourceLoader;
     private final DisplayService display;
     private final CursorService cursorService;
+    private final WindowService windowService;
     private final List<OnStartup> startupTasks;
     private Texture clouds;
     private Texture border;
-    private NinePatch menubar;
     private Viewport vmViewport;
     private Viewport screenViewport;
     private int scaling = 1;
     private int offsetX = 0;
     private int offsetY = 0;
+    private GraphicsContext gc;
 
     @Override
     public void create() {
         log.info("DiceOS starting...");
         clouds = resourceLoader.loadTexture("backgrounds/clouds.png");
         border = resourceLoader.loadTexture("system/border.png");
-        loadMenubar();
 
         screenViewport = new ScreenViewport();
         vmViewport = new ScreenViewport();
@@ -50,11 +50,6 @@ public class DiceOS extends ApplicationAdapter {
         log.info("DiceOS started!");
     }
 
-    private void loadMenubar() {
-        var texture = resourceLoader.loadTexture("system/menubar.png");
-        menubar = new NinePatch(texture, 9, 9, 15, 1);
-    }
-
     @Override
     public void resize(int width, int height) {
         screenViewport.update(width, height, true);
@@ -66,6 +61,8 @@ public class DiceOS extends ApplicationAdapter {
         offsetY = (height - (displayHeight * scaling)) / 2;
 
         cursorService.setScale(scaling);
+
+        gc = new GraphicsContext(display.getBatch(), displayHeight, displayWidth);
     }
 
     @Override
@@ -83,8 +80,7 @@ public class DiceOS extends ApplicationAdapter {
         // Render background
         display.draw(clouds, 0, 0);
 
-        // Render menubar
-        menubar.draw(display.getBatch(), 0, display.getHeight() - 16, display.getWidth(), 16);
+        windowService.paint(gc);
 
         // Render borders
         var param = new DisplayService.Parameters();

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

@@ -0,0 +1,30 @@
+package be.seeseemelk.diceos.system;
+
+import be.seeseemelk.diceos.system.gfx.GraphicsContext;
+import be.seeseemelk.diceos.system.toolkit.Menubar;
+import com.badlogic.gdx.graphics.g2d.NinePatch;
+import io.avaje.inject.Component;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+@Component
+public class WindowService implements OnStartup {
+    private final ResourceLoader resourceLoader;
+    private NinePatch menubar;
+    private Menubar systemMenubar;
+
+    @Override
+    public void onStartup() {
+        var texture = resourceLoader.loadTexture("system/menubar.png");
+        menubar = new NinePatch(texture, 9, 9, 15, 1);
+
+        systemMenubar = new Menubar()
+                .addItem("Dice")
+                .addItem("System");
+    }
+
+    void paint(GraphicsContext gc) {
+        // Render menubar
+        menubar.draw(gc.getBatch(), 0, gc.getHeight() - 16, gc.getWidth(), 16);
+    }
+}

src/main/java/be/seeseemelk/diceos/system/gfx/Graphics.java

@@ -1,17 +0,0 @@
-package be.seeseemelk.diceos.system.gfx;
-
-import io.avaje.inject.AssistFactory;
-import lombok.RequiredArgsConstructor;
-
-/**
- * Graphics context and rendering utilities.
- */
-@RequiredArgsConstructor
-@AssistFactory(GraphicsFactory.class)
-public class Graphics {
-//    private final
-//
-//    public void begin() {
-//
-//    }
-}

src/main/java/be/seeseemelk/diceos/system/gfx/GraphicsContext.java

@@ -0,0 +1,16 @@
+package be.seeseemelk.diceos.system.gfx;
+
+import com.badlogic.gdx.graphics.g2d.Batch;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+/**
+ * Graphics context and rendering utilities.
+ */
+@Getter
+@RequiredArgsConstructor
+public class GraphicsContext {
+    private final Batch batch;
+    private final int height;
+    private final int width;
+}

src/main/java/be/seeseemelk/diceos/system/gfx/GraphicsFactory.java

@@ -1,5 +1,5 @@
 package be.seeseemelk.diceos.system.gfx;
 
 public interface GraphicsFactory {
-    Graphics create();
+    GraphicsContext create();
 }

src/main/java/be/seeseemelk/diceos/system/toolkit/Menubar.java

@@ -0,0 +1,16 @@
+package be.seeseemelk.diceos.system.toolkit;
+
+import lombok.Getter;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Menubar {
+    @Getter
+    private final List<String> items = new ArrayList<>();
+
+    public Menubar addItem(String item) {
+        items.add(item);
+        return this;
+    }
+}