Issues with nodes not updating in ready() (C#)

lawftyg

Hello!
I've encountered a problem repeatedly where upon making an object programmatically and adding it as a child in ready, the object will retain its standard values.

For example. I put a for loop in the ready() function of a hboxcontainer. (100x1025 size inside a panelcontainer) For each pass of the For loop it is suppose to generate a panel, set RectSize, give a name and then add it as a child.

Panel panel = new Panel();
panel.Name = "panel"+i; // i is from for loop.
panel.RectSize = new Vector2(100,100);
AddChild(panel)

During testing everything goes fine the panels are generated, given a name, but they retain 0,0 in size.

Additionally when I then try to run another for loop later in the ready to GetChildren() and then check the rect values the number of children shown is less than the first for loop is suppose to make (4 but shows only 2).

Whats going on here?

TwistedTwigleg

I think Control nodes get their size set when they are added to the scene tree using AddChild, so I think you might need to adjust the size after calling AddChild and then, I think, it should work.

lawftyg

TwistedTwigleg hey! Thanks for the response. I've done this and a whole lot else to debut this. Wven tried to update it from a parent node with no success. The only thing that makes it work is changing values in remote while running.

I even put labels into the panels but they remain at 0,0.

TwistedTwigleg

Are you adding it to a Control-based node or a Node2D-based node?

cybereality

For Controls, if you dynamically add children, you will have to show/hide the parent Control to make the layout update. I think you have to wait a frame as well (meaning call hide, then on the next frame call show). There may be a way to force a layout update but I don't recall off hand.

lawftyg

Hello! I'd like to share an update, someone on reddit showed me that editing the RectMinSize would solve the problem and it did. They also explained the code signaling that happens between containers and children. Thanks for your time!