feat: Add Guide menu to on-screen virtual controller (#1265)

* Add `Guide Button` to OSC controller

In order to allow the `Guide Button` to be pressed without a physical gamepad, add the button to the On-screen virtual controller

Co-authored-by: ReenigneArcher <42013603+ReenigneArcher@users.noreply.github.com>

app/src/main/java/com/limelight/binding/input/virtual_controller/VirtualControllerConfigurationLoader.java

@@ -185,6 +185,10 @@ public class VirtualControllerConfigurationLoader {
     private static final int START_BACK_WIDTH = 12;
     private static final int START_BACK_HEIGHT = 7;
 
+    // Make the Guide Menu be in the center of START and BACK menu
+    private static final int GUIDE_X = START_X-BACK_X;
+    private static final int GUIDE_Y = START_BACK_Y;
+
     public static void createDefaultLayout(final VirtualController controller, final Context context) {
 
         DisplayMetrics screen = context.getResources().getDisplayMetrics();
@@ -333,6 +337,16 @@ public class VirtualControllerConfigurationLoader {
             );
         }
 
+        if(config.showGuideButton){
+            controller.addElement(createDigitalButton(VirtualControllerElement.EID_GDB,
+                            ControllerPacket.SPECIAL_BUTTON_FLAG, 0, 1, "GUIDE", -1, controller, context),
+                    screenScale(GUIDE_X, height)+ rightDisplacement,
+                    screenScale(GUIDE_Y, height),
+                    screenScale(START_BACK_WIDTH, height),
+                    screenScale(START_BACK_HEIGHT, height)
+            );
+        }
+
         controller.setOpacity(config.oscOpacity);
     }
 

app/src/main/java/com/limelight/binding/input/virtual_controller/VirtualControllerElement.java

@@ -35,6 +35,7 @@ public abstract class VirtualControllerElement extends View {
     public static final int EID_RS = 13;
     public static final int EID_LSB = 14;
     public static final int EID_RSB = 15;
+    public static final int EID_GDB = 16;
 
     protected VirtualController virtualController;
     protected final int elementId;