[API] Adding missing ImNodes bindings (#167)

* added missing ImNodes bindings

* add missing binding and fix Style Vars in ImNodes

Author: brunopj1

imgui-binding/src/main/java/imgui/extension/imnodes/ImNodes.java

@@ -95,6 +95,10 @@ public static ImNodesStyle getStyle() {
         ImNodes::PushStyleVar((ImNodesStyleVar)imNodesStyleVar, value);
     */
 
+    public static native void pushStyleVar(int imNodesStyleVar, float x, float y); /*
+        ImNodes::PushStyleVar((ImNodesStyleVar)imNodesStyleVar, ImVec2(x, y));
+    */
+
     public static native void popStyleVar(); /*
         ImNodes::PopStyleVar();
     */
@@ -352,10 +356,40 @@ public static boolean isLinkDestroyed(final ImInt linkId) {
         ImNodes::ClearNodeSelection();
     */
 
+    public static native void clearNodeSelection(int node); /*
+        ImNodes::ClearNodeSelection(node);
+    */
+
     public static native void clearLinkSelection(); /*
         ImNodes::ClearLinkSelection();
     */
 
+    public static native void clearLinkSelection(int link); /*
+        ImNodes::ClearLinkSelection(link);
+    */
+
+    /**
+     * Manually select a node or link.
+     */
+    public static native void selectNode(int node); /*
+        ImNodes::SelectNode(node);
+    */
+
+    public static native void selectLink(int link); /*
+        ImNodes::SelectLink(link);
+    */
+
+     /**
+     * Check if a a specified node/link is selected.
+     */
+    public static native boolean isNodeSelected(int node); /*
+        return ImNodes::IsNodeSelected(node);
+    */
+
+    public static native boolean isLinkSelected(int link); /*
+        return ImNodes::IsLinkSelected(link);
+    */
+
     /**
      * Enable or disable the ability to click and drag a specific node.
      */

imgui-binding/src/main/java/imgui/extension/imnodes/flag/ImNodesStyleVar.java

@@ -6,16 +6,17 @@ private ImNodesStyleVar() {
 
     public static final int GridSpacing = 0;
     public static final int NodeCornerRounding = 1;
-    public static final int NodePaddingHorizontal = 2;
-    public static final int NodePaddingVertical = 3;
-    public static final int NodeBorderThickness = 4;
-    public static final int LinkThickness = 5;
-    public static final int LinkLineSegmentsPerLength = 6;
-    public static final int LinkHoverDistance = 7;
-    public static final int PinCircleRadius = 8;
-    public static final int PinQuadSideLength = 9;
-    public static final int PinTriangleSideLength = 10;
-    public static final int PinLineThickness = 11;
-    public static final int PinHoverRadius = 12;
-    public static final int PinOffset = 13;
+    public static final int NodePadding = 2;
+    public static final int NodeBorderThickness = 3;
+    public static final int LinkThickness = 4;
+    public static final int LinkLineSegmentsPerLength = 5;
+    public static final int LinkHoverDistance = 6;
+    public static final int PinCircleRadius = 7;
+    public static final int PinQuadSideLength = 8;
+    public static final int PinTriangleSideLength = 9;
+    public static final int PinLineThickness = 10;
+    public static final int PinHoverRadius = 11;
+    public static final int PinOffset = 12;
+    public static final int MiniMapPadding = 13;
+    public static final int MiniMapOffset = 14;
 }