width, height, max-width, max-height, min-width, min-height

Scripts/MaxSizeControl.gd

@@ -0,0 +1,68 @@
+@tool
+class_name MaxSizeControl
+extends Control
+
+@export var max_size: Vector2 = Vector2(-1, -1):
+	set(value):
+		max_size = value
+		_enforce_size_limits()
+
+var content_node: Control
+
+func _ready():
+	# Auto-detect content node
+	if get_child_count() > 0:
+		setup_content_node(get_child(0))
+	
+	# Connect to our own resize
+	resized.connect(_on_resized)
+
+func setup_content_node(node: Control):
+	content_node = node
+	if content_node:
+		# Make content fill the container initially
+		content_node.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
+		
+		# Connect to content changes
+		if not content_node.minimum_size_changed.is_connected(_on_content_changed):
+			content_node.minimum_size_changed.connect(_on_content_changed)
+		
+		_enforce_size_limits()
+
+func _on_content_changed():
+	_enforce_size_limits()
+
+func _on_resized():
+	_enforce_size_limits()
+
+func _enforce_size_limits():
+	if not content_node:
+		return
+	
+	var target_width = max_size.x if max_size.x > 0 else content_node.get_combined_minimum_size().x
+	var target_height = max_size.y if max_size.y > 0 else content_node.get_combined_minimum_size().y
+
+	custom_minimum_size = Vector2(target_width, target_height)
+	
+	# Set children's minimum size to match the constrained size
+	for child in get_children():
+		if child is Control:
+			child.custom_minimum_size = Vector2(target_width, target_height)
+	
+	# Force the content to fit within our bounds and enable clipping
+	content_node.size = Vector2(target_width, target_height)
+	content_node.position = Vector2.ZERO
+	
+	# Always enable clipping if max_size is set
+	var needs_clipping = max_size.x > 0 or max_size.y > 0
+	content_node.clip_contents = needs_clipping
+	clip_contents = true
+
+func _get_minimum_size() -> Vector2:
+	# Only use max_size, ignore content's natural size
+	var final_size = Vector2.ZERO
+	if max_size.x > 0:
+		final_size.x = max_size.x
+	if max_size.y > 0:
+		final_size.y = max_size.y
+	return final_size