Child region issues.

[zwcloud]

if (GUILayout.TreeNode("Child regions", ref childRegionsOpen))
{
    GUILayout.Text("Without border");
    bool goto_line = GUILayout.Button("Goto");
    GUILayout.PushFixedWidth(100);//+2
    var newLine = GUILayout.InputInt("##Line", line);
    if (newLine != line)
    {
        goto_line = true;
    }
    GUILayout.PopStyle(2);//-2

    using (GUILayout.HScope("HGroup~1"))
    {
        if (GUILayout.BeginChild("Sub1", GUILayout.Height(300).ExpandWidth(true)))
        {
            for (int i = 0; i < 50; i++)
            {
                GUILayout.Text("{0,4}: scrollable region", i);
                if (goto_line && line == i)
                {
                    //SetScrollHere();//TODO
                }
            }
            if (goto_line && line >= 10)
            {
                //SetScrollHere();//TODO
            }
            GUILayout.EndChild();
        }

        if (GUILayout.BeginChild("Sub2", GUILayout.Height(300).ExpandWidth(true)))
        {
            GUILayout.Text("With border");
            for (int i = 0; i < 50; i++)
            {
                GUILayout.Button(string.Format("0x{0:X8}", i * 5731));
            }
            GUILayout.EndChild();
        }
    }
}

• [ ] When draging the scrollbar of main window, the child region's scrollbar is moved.
• [ ] Main window's clip-rect isn't applied to a child region.
• [ ] It hasn't been implemented to go to specific position of a child region.