MaxSizeContainer for Godot 3.x

A custom Container node for Godot Egine 3.x, to limit the size of children nodes.
All Control nodes have a rect_min_size property, but they lack the rect_max_size. The MaxSizeContainer aims at solving this issue.

Installation

• Copy addons/MaxSizeContainer into your project (final path should be res://addons/MaxSizeContainer).

• In the Godot Editor, go to Project Settings > Plugins and enable the MaxSizeContainer plugin.

Usage

To be limited in size, a Control node must be child of a MaxSizeContainer.

• From the editor, press Add a new node, and select MaxSizeContainer

Note: to add the Container from script, you must use this code:

var MaxSizeContainer = preload("res://addons/MaxSizeContainer/max_size_container.gd")

add_child(MaxSizeContainer.new())

• Add any Control node as a child of MaxSizeContainer.
  Note: only one (1) child is supported

• Select the maximum size, and how you want the child node aligned when it reaches the maximum size.
  
  (-1 means no limit)

Examples

• Let's start from this scene.

Scene tree	Small window	Large window

When the window is enlarged, the main scene takes all the available space, as it is set as Expand.

• To prevent that and make the text more readable, let's add a MaxSizeContainer, child of MainScreen (ScrollContainer) and parent of VBoxContainer:

Scene tree	Parameters	Large window

• You can also nest different MaxSizeContainers together, and have fun:

Scene tree and parameters	Large window

Troubleshooting

If the container doesn't work, try these solutions:

• Make sure there is only one child node, and it inherits from Control
• Make sure the child node's size flag are set to Fill vertically and horizontally.
• Make sure max_size is bigger than the minimum possible size of the child.

License

See License file
This README page was greatly inspired by jmb462.