Add Bootloader configuration and enhance clipping functionality in GraphicsContext

.run/Bootloader.run.xml

@@ -0,0 +1,15 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Bootloader" type="Application" factoryName="Application" nameIsGenerated="true">
+    <option name="MAIN_CLASS_NAME" value="be.seeseemelk.diceos.Bootloader" />
+    <module name="diceos.main" />
+    <extension name="coverage">
+      <pattern>
+        <option name="PATTERN" value="be.seeseemelk.diceos.*" />
+        <option name="ENABLED" value="true" />
+      </pattern>
+    </extension>
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>

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

@@ -69,9 +69,12 @@ public class WindowService implements OnStartup {
 
         // Render menubar items
         gc.save();
-        gc.translate(10, 0);
+        gc.translate(5, 0);
         for (var submenu : menu.getItems()) {
+            gc.save();
+            gc.clip(0, 0, submenu.getWidth(), submenu.getHeight());
             submenu.paint(gc);
+            gc.restore();
             gc.translate(submenu.getWidth() + 4, 0);
         }
         gc.restore();

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

@@ -30,11 +30,11 @@ public class GraphicsContext {
 
     private static class GraphicsState {
         private final Matrix4 transform;
-        private boolean scissorEnabled;
+        private int scissorCount;
 
-        public GraphicsState(Matrix4 transform, boolean scissorEnabled) {
+        public GraphicsState(Matrix4 transform, int scissorCount) {
             this.transform = transform.cpy();
-            this.scissorEnabled = scissorEnabled;
+            this.scissorCount = scissorCount;
         }
     }
 
@@ -137,11 +137,24 @@ public class GraphicsContext {
      * @param height The height of the clipping area.
      */
     public void clip(int width, int height) {
-        var scissors = new Rectangle(0, 0, width, height);
+        clip(0, 0, width, height);
+    }
+
+    /**
+     * Sets a clipping rectangle for subsequent draw operations.
+     *
+     * @param x      The x-coordinate of the clipping area.
+     * @param y      The y-coordinate of the clipping area.
+     * @param width  The width of the clipping area.
+     * @param height The height of the clipping area.
+     */
+    public void clip(int x, int y, int width, int height) {
+        var scissors = new Rectangle(x, getHeight() - y - height, width - getXTranslation(), height - getYTranslation());
         ScissorStack.calculateScissors(camera, batch.getTransformMatrix(), scissors, scissors);
         batch.flush();
-        ScissorStack.pushScissors(scissors);
-        getCurrentState().scissorEnabled = true;
+        if (ScissorStack.pushScissors(scissors)) {
+            getCurrentState().scissorCount++;
+        }
     }
 
     /**
@@ -157,7 +170,7 @@ public class GraphicsContext {
      * The state can later be restored using {@link #restore()}.
      */
     public void save() {
-        stateStack.push(new GraphicsState(batch.getTransformMatrix(), false));
+        stateStack.push(new GraphicsState(batch.getTransformMatrix(), 0));
     }
 
     /**
@@ -171,7 +184,7 @@ public class GraphicsContext {
         batch.flush();
         GraphicsState state = stateStack.pop();
         batch.setTransformMatrix(state.transform);
-        if (state.scissorEnabled) {
+        for (int i = 0; i < state.scissorCount; i++) {
             ScissorStack.popScissors();
         }
     }

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

@@ -56,8 +56,8 @@ public class Menu implements MenuItem {
             gc.setColour(0, 0, 255);
         }
 
+        gc.fillRect(-100, -100, 500, 500);
         gc.setColour(255, 255, 255);
-        gc.fillRect(0, 1, getWidth() + 3, getHeight() - 1);
 
         // Renders the menu as a simple menu button
         gc.draw(title, 2, 5);