Add rendering implementation for LWJGL

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

@@ -0,0 +1,38 @@
+package imgui.enums;
+
+/**
+ * Flags for ImGui::TreeNodeEx(), ImGui::CollapsingHeader*()
+ */
+public class ImGuiTreeNodeFlags {
+    public static ImGuiTreeNodeFlags None = new ImGuiTreeNodeFlags(0);
+    public static ImGuiTreeNodeFlags Selected = new ImGuiTreeNodeFlags(1 << 0);
+    public static ImGuiTreeNodeFlags Framed = new ImGuiTreeNodeFlags(1 << 1);
+    public static ImGuiTreeNodeFlags AllowItemOverlap = new ImGuiTreeNodeFlags(1 << 2);
+    public static ImGuiTreeNodeFlags NoTreePushOnOpen = new ImGuiTreeNodeFlags(1 << 3);
+    public static ImGuiTreeNodeFlags NoAutoOpenOnLog = new ImGuiTreeNodeFlags(1 << 4);
+    public static ImGuiTreeNodeFlags DefaultOpen = new ImGuiTreeNodeFlags(1 << 5);
+    public static ImGuiTreeNodeFlags OpenOnDoubleClick = new ImGuiTreeNodeFlags(1 << 6);
+    public static ImGuiTreeNodeFlags OpenOnArrow = new ImGuiTreeNodeFlags(1 << 7);
+    public static ImGuiTreeNodeFlags Leaf = new ImGuiTreeNodeFlags(1 << 8);
+    public static ImGuiTreeNodeFlags Bullet = new ImGuiTreeNodeFlags(1 << 9);
+    public static ImGuiTreeNodeFlags FramePadding = new ImGuiTreeNodeFlags(1 << 10);
+    //	public static ImGuiTreeNodeFlags SpanAllAvailWidth = new ImGuiTreeNodeFlags(1 << 11);
+//	public static ImGuiTreeNodeFlags NoScrollOnOpen = new ImGuiTreeNodeFlags(1 << 12);
+    public static ImGuiTreeNodeFlags NavLeftJumpsBackHere = new ImGuiTreeNodeFlags(1 << 13);
+    public static ImGuiTreeNodeFlags CollapsingHeader = new ImGuiTreeNodeFlags(Framed.getValue() | NoTreePushOnOpen.getValue() | NoAutoOpenOnLog.getValue());
+    private static ImGuiTreeNodeFlags Custom = new ImGuiTreeNodeFlags(0);
+    int value;
+
+    private ImGuiTreeNodeFlags(int value) {
+        this.value = value;
+    }
+
+    public int getValue() {
+        return value;
+    }
+
+    public ImGuiTreeNodeFlags or(ImGuiTreeNodeFlags otherEnum) {
+        ImGuiTreeNodeFlags.Custom.value = value | otherEnum.value;
+        return ImGuiTreeNodeFlags.Custom;
+    }
+}