Add rendering implementation for LWJGL

imgui-binding/src/main/java/imgui/enums/ImGuiFocusedFlags.java

@@ -0,0 +1,27 @@
+package imgui.enums;
+
+/**
+ * Flags for ImGui::IsWindowFocused()
+ */
+public class ImGuiFocusedFlags {
+    public static ImGuiFocusedFlags None = new ImGuiFocusedFlags(0);
+    public static ImGuiFocusedFlags ChildWindows = new ImGuiFocusedFlags(1 << 0);
+    public static ImGuiFocusedFlags RootWindow = new ImGuiFocusedFlags(1 << 1);
+    public static ImGuiFocusedFlags AnyWindow = new ImGuiFocusedFlags(1 << 2);
+    public static ImGuiFocusedFlags RootAndChildWindows = new ImGuiFocusedFlags(RootWindow.getValue() | ChildWindows.getValue());
+    private static ImGuiFocusedFlags Custom = new ImGuiFocusedFlags(0);
+    int value;
+
+    private ImGuiFocusedFlags(int code) {
+        value = code;
+    }
+
+    public ImGuiFocusedFlags or(ImGuiFocusedFlags otherEnum) {
+        ImGuiFocusedFlags.Custom.value = value | otherEnum.value;
+        return ImGuiFocusedFlags.Custom;
+    }
+
+    public int getValue() {
+        return value;
+    }
+}