Window::setInsideParentScrollingArea added

radio/src/thirdparty/libopenui/src/window.cpp

@@ -294,6 +294,18 @@ bool Window::isChildVisible(const Window * window) const
   return false;
 }
 
+void Window::setInsideParentScrollingArea()
+{
+  Window * parent = getParent();
+  while (parent && parent->getWindowFlags() & FORWARD_SCROLL) {
+    parent = parent->parent;
+  }
+  if (parent) {
+    parent->scrollTo(this);
+    invalidate();
+  }
+}
+
 void Window::paintChildren(BitmapBuffer * dc, std::list<Window *>::iterator it)
 {
   coord_t x = dc->getOffsetX();

radio/src/thirdparty/libopenui/src/window.h

@@ -337,6 +337,8 @@ class Window
       return parent && right() >= parent->getScrollPositionX() && left() <= parent->getScrollPositionX() + parent->width();
     }
 
+    void setInsideParentScrollingArea();
+
     void drawVerticalScrollbar(BitmapBuffer * dc);
 
     void drawHorizontalScrollbar(BitmapBuffer * dc);