69 lines
1.9 KiB
GDScript3
69 lines
1.9 KiB
GDScript3
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@tool
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class_name MaxSizeControl
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extends Control
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@export var max_size: Vector2 = Vector2(-1, -1):
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set(value):
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max_size = value
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_enforce_size_limits()
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var content_node: Control
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func _ready():
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# Auto-detect content node
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if get_child_count() > 0:
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setup_content_node(get_child(0))
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# Connect to our own resize
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resized.connect(_on_resized)
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func setup_content_node(node: Control):
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content_node = node
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if content_node:
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# Make content fill the container initially
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content_node.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
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# Connect to content changes
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if not content_node.minimum_size_changed.is_connected(_on_content_changed):
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content_node.minimum_size_changed.connect(_on_content_changed)
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_enforce_size_limits()
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func _on_content_changed():
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_enforce_size_limits()
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func _on_resized():
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_enforce_size_limits()
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func _enforce_size_limits():
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if not content_node:
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return
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var target_width = max_size.x if max_size.x > 0 else content_node.get_combined_minimum_size().x
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var target_height = max_size.y if max_size.y > 0 else content_node.get_combined_minimum_size().y
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custom_minimum_size = Vector2(target_width, target_height)
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# Set children's minimum size to match the constrained size
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for child in get_children():
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if child is Control:
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child.custom_minimum_size = Vector2(target_width, target_height)
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# Force the content to fit within our bounds and enable clipping
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content_node.size = Vector2(target_width, target_height)
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content_node.position = Vector2.ZERO
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# Always enable clipping if max_size is set
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var needs_clipping = max_size.x > 0 or max_size.y > 0
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content_node.clip_contents = needs_clipping
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clip_contents = true
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func _get_minimum_size() -> Vector2:
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# Only use max_size, ignore content's natural size
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var final_size = Vector2.ZERO
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if max_size.x > 0:
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final_size.x = max_size.x
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if max_size.y > 0:
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final_size.y = max_size.y
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return final_size
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