UINode size-func

src/graphics/ui/elements/UINode.cpp

@@ -233,6 +233,14 @@ void UINode::setPositionFunc(vec2supplier func) {
     positionfunc = func;
 }
 
+vec2supplier UINode::getSizeFunc() const {
+    return sizefunc;
+}
+
+void UINode::setSizeFunc(vec2supplier func) {
+    sizefunc = func;
+}
+
 void UINode::setId(const std::string& id) {
     this->id = id;
 }
@@ -245,6 +253,9 @@ void UINode::reposition() {
     if (positionfunc) {
         setPos(positionfunc());
     }
+    if (sizefunc) {
+        setSize(sizefunc());
+    }
 }
 
 void UINode::setGravity(Gravity gravity) {