424 lines
16 KiB
GDScript
424 lines
16 KiB
GDScript
class_name StyleManager
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extends RefCounted
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static func parse_size(val):
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if val == null: return null
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if typeof(val) == TYPE_INT or typeof(val) == TYPE_FLOAT:
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return float(val)
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if val.ends_with("px"):
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return float(val.replace("px", ""))
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if val.ends_with("rem"):
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return float(val.replace("rem", "")) * 16.0
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if val.ends_with("%") or (val.ends_with("]") and "%" in val):
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var clean_val = val.replace("[", "").replace("]", "")
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return clean_val
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if val == "full":
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return null
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return float(val)
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static func apply_element_styles(node: Control, element: HTMLParser.HTMLElement, parser: HTMLParser) -> Control:
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var styles = parser.get_element_styles_with_inheritance(element, "", [])
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var label = null
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if not (node is FlexContainer):
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label = node if node is RichTextLabel else node.get_node_or_null("RichTextLabel")
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var width = null
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var height = null
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if styles.has("width"):
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width = parse_size(styles["width"])
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if styles.has("height"):
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height = parse_size(styles["height"])
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# Skip width/height inheritance for buttons when inheriting from auto-sized containers
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var skip_sizing = should_skip_sizing(node, element, parser)
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if (width != null or height != null) and not skip_sizing:
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# FlexContainers handle percentage sizing differently than regular controls
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if node is FlexContainer:
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if width != null and typeof(width) != TYPE_STRING:
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node.custom_minimum_size.x = width
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if height != null and typeof(height) != TYPE_STRING:
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node.custom_minimum_size.y = height
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elif node is VBoxContainer or node is HBoxContainer or node is Container:
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# Hcontainer nodes (like ul, ol)
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apply_container_dimension_sizing(node, width, height)
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else:
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# regular controls
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apply_regular_control_sizing(node, width, height)
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if label and label != node:
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label.anchors_preset = Control.PRESET_FULL_RECT
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# Apply background color
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if styles.has("background-color"):
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var target_node_for_bg = node if node is FlexContainer else label
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if target_node_for_bg:
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target_node_for_bg.set_meta("custom_css_background_color", styles["background-color"])
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if target_node_for_bg.has_method("add_background_rect"):
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target_node_for_bg.call_deferred("add_background_rect")
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if label:
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apply_styles_to_label(label, styles, element, parser)
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return node
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static func apply_styles_to_label(label: RichTextLabel, styles: Dictionary, element: HTMLParser.HTMLElement, parser) -> void:
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var text = element.get_preserved_text() if element.tag_name == "pre" else element.get_bbcode_formatted_text(parser)
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var font_size = 24 # default
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# Apply font size
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if styles.has("font-size"):
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font_size = int(styles["font-size"])
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# Apply color
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var color_tag = ""
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if styles.has("color"):
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var color = styles["color"] as Color
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color_tag = "[color=#%s]" % color.to_html(false)
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# Apply bold
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var bold_open = ""
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var bold_close = ""
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if styles.has("font-bold") and styles["font-bold"]:
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bold_open = "[b]"
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bold_close = "[/b]"
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# Apply italic
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var italic_open = ""
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var italic_close = ""
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if styles.has("font-italic") and styles["font-italic"]:
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italic_open = "[i]"
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italic_close = "[/i]"
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# Apply underline
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var underline_open = ""
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var underline_close = ""
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if styles.has("underline") and styles["underline"]:
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underline_open = "[u]"
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underline_close = "[/u]"
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# Apply monospace font
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var mono_open = ""
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var mono_close = ""
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if styles.has("font-mono") and styles["font-mono"]:
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mono_open = "[code]"
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mono_close = "[/code]"
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if styles.has("text-align"):
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match styles["text-align"]:
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"left":
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label.horizontal_alignment = HORIZONTAL_ALIGNMENT_LEFT
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"center":
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label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
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"right":
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label.horizontal_alignment = HORIZONTAL_ALIGNMENT_RIGHT
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"justify":
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label.horizontal_alignment = HORIZONTAL_ALIGNMENT_FILL
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# Construct final text
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var styled_text = "[font_size=%d]%s%s%s%s%s%s%s%s%s%s%s[/font_size]" % [
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font_size,
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color_tag,
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bold_open,
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italic_open,
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underline_open,
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mono_open,
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text,
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mono_close,
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underline_close,
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italic_close,
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bold_close,
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"[/color]" if color_tag.length() > 0 else "",
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]
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static func apply_flex_container_properties(node: FlexContainer, styles: Dictionary, element: HTMLParser.HTMLElement, parser: HTMLParser) -> void:
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# Flex direction - default to row if not specified
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if styles.has("flex-direction"):
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match styles["flex-direction"]:
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"row": node.flex_direction = FlexContainer.FlexDirection.Row
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"row-reverse": node.flex_direction = FlexContainer.FlexDirection.RowReverse
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"column": node.flex_direction = FlexContainer.FlexDirection.Column
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"column-reverse": node.flex_direction = FlexContainer.FlexDirection.ColumnReverse
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else:
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node.flex_direction = FlexContainer.FlexDirection.Row
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# Flex wrap
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if styles.has("flex-wrap"):
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match styles["flex-wrap"]:
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"nowrap": node.flex_wrap = FlexContainer.FlexWrap.NoWrap
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"wrap": node.flex_wrap = FlexContainer.FlexWrap.Wrap
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"wrap-reverse": node.flex_wrap = FlexContainer.FlexWrap.WrapReverse
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# Justify content
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if styles.has("justify-content"):
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match styles["justify-content"]:
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"flex-start": node.justify_content = FlexContainer.JustifyContent.FlexStart
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"flex-end": node.justify_content = FlexContainer.JustifyContent.FlexEnd
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"center": node.justify_content = FlexContainer.JustifyContent.Center
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"space-between": node.justify_content = FlexContainer.JustifyContent.SpaceBetween
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"space-around": node.justify_content = FlexContainer.JustifyContent.SpaceAround
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"space-evenly": node.justify_content = FlexContainer.JustifyContent.SpaceEvenly
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# Align items
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if styles.has("align-items"):
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match styles["align-items"]:
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"flex-start": node.align_items = FlexContainer.AlignItems.FlexStart
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"flex-end": node.align_items = FlexContainer.AlignItems.FlexEnd
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"center": node.align_items = FlexContainer.AlignItems.Center
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"stretch": node.align_items = FlexContainer.AlignItems.Stretch
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"baseline": node.align_items = FlexContainer.AlignItems.Baseline
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# Align content
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if styles.has("align-content"):
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match styles["align-content"]:
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"flex-start": node.align_content = FlexContainer.AlignContent.FlexStart
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"flex-end": node.align_content = FlexContainer.AlignContent.FlexEnd
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"center": node.align_content = FlexContainer.AlignContent.Center
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"stretch": node.align_content = FlexContainer.AlignContent.Stretch
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"space-between": node.align_content = FlexContainer.AlignContent.SpaceBetween
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"space-around": node.align_content = FlexContainer.AlignContent.SpaceAround
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# Gap
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if styles.has("gap"):
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# YGGutterAll = 2
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node._root.set_gap(2, parse_flex_value(styles["gap"]))
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if styles.has("row-gap"):
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# YGGutterRow = 1
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node._root.set_gap(1, parse_flex_value(styles["row-gap"]))
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if styles.has("column-gap"):
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# YGGutterColumn = 0
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node._root.set_gap(0, parse_flex_value(styles["column-gap"]))
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if styles.has("width"):
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var width_val = styles["width"]
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if width_val == "full":
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# For flex containers, w-full should expand to fill parent
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node.set_meta("should_fill_horizontal", true)
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elif typeof(width_val) == TYPE_STRING and width_val.ends_with("%"):
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node.set_meta("custom_css_width_percentage", width_val)
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else:
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node.set_meta("custom_css_width", parse_size(width_val))
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if styles.has("height"):
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var height_val = styles["height"]
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if height_val == "full":
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# For flex containers, h-full should expand to fill parent
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node.set_meta("should_fill_vertical", true)
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elif typeof(height_val) == TYPE_STRING and height_val.ends_with("%"):
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node.set_meta("custom_css_height_percentage", height_val)
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else:
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node.set_meta("custom_css_height", parse_size(height_val))
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if styles.has("background-color"):
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node.set_meta("custom_css_background_color", styles["background-color"])
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node.update_layout()
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static func apply_flex_item_properties(node: Control, styles: Dictionary) -> void:
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var properties: Dictionary = node.get_meta("flex_metas", {}).duplicate(true)
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var changed = false
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if styles.has("flex-grow"):
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properties["grow"] = float(styles["flex-grow"])
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changed = true
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if styles.has("flex-shrink"):
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properties["shrink"] = float(styles["flex-shrink"])
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changed = true
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if styles.has("flex-basis"):
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properties["basis"] = parse_flex_value(styles["flex-basis"])
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changed = true
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if styles.has("align-self"):
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var align_self_value = -1
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match styles["align-self"]:
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"auto": align_self_value = FlexContainer.AlignItems.Auto
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"flex-start": align_self_value = FlexContainer.AlignItems.FlexStart
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"flex-end": align_self_value = FlexContainer.AlignItems.FlexEnd
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"center": align_self_value = FlexContainer.AlignItems.Center
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"stretch": align_self_value = FlexContainer.AlignItems.Stretch
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"baseline": align_self_value = FlexContainer.AlignItems.Baseline
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if align_self_value != -1:
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properties["align_self"] = align_self_value
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changed = true
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if changed:
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node.set_meta("flex_metas", properties)
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# The parent FlexContainer must be notified to update its layout.
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var parent = node.get_parent()
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if parent is FlexContainer:
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parent.update_layout()
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static func parse_flex_value(val):
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if val is float or val is int:
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return float(val)
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if val is String:
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var s_val = val.strip_edges()
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if s_val.is_valid_float():
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return s_val.to_float()
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if s_val.ends_with("%"):
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# NOTE: Flex-basis percentages not supported by flexbox
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return s_val.trim_suffix("%").to_float() / 100.0
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if s_val.ends_with("px"):
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return s_val.trim_suffix("px").to_float()
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if s_val == "auto":
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return "auto"
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return null
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static func should_skip_sizing(node: Control, element: HTMLParser.HTMLElement, parser: HTMLParser) -> bool:
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# Cache style lookups to avoid repeated calls
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var element_styles = parser.get_element_styles_internal(element, "")
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# Button sizing rules: Skip sizing only when button has no explicit size
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# AND parent doesn't have explicit width (auto-inherited sizing)
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if node.get_script() and node.get_script().get_path().ends_with("button.gd"):
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# If button has explicit size, don't skip sizing
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if element_styles.has("width") or element_styles.has("height"):
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return false
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# Check if width is being inherited from parent with explicit size
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var parent_element = element.parent
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if parent_element:
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var parent_styles = parser.get_element_styles_internal(parent_element, "")
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var parent_has_explicit_width = parent_styles.has("width")
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# Skip only if parent doesn't have explicit width (auto-inherited)
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return not parent_has_explicit_width
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return true
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# Span sizing rules: Always skip sizing for spans since they're inline elements
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# (flex containers use AutoSizingFlexContainer, not span.gd)
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elif node.get_script() and node.get_script().get_path().ends_with("span.gd"):
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return true
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return false
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static func apply_container_dimension_sizing(node: Control, width, height) -> void:
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if width != null:
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if is_percentage(width):
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node.set_meta("container_percentage_width", width)
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node.size_flags_horizontal = Control.SIZE_EXPAND_FILL
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apply_container_percentage_sizing(node)
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else:
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node.custom_minimum_size.x = width
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node.size_flags_horizontal = Control.SIZE_SHRINK_BEGIN
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if height != null:
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if is_percentage(height):
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node.set_meta("container_percentage_height", height)
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node.size_flags_vertical = Control.SIZE_EXPAND_FILL
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apply_container_percentage_sizing(node)
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else:
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node.custom_minimum_size.y = height
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node.size_flags_vertical = Control.SIZE_SHRINK_BEGIN
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static func apply_regular_control_sizing(node: Control, width, height) -> void:
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if width != null:
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if is_percentage(width):
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var estimated_width = calculate_percentage_size(width, 800.0)
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node.custom_minimum_size.x = estimated_width
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node.size_flags_horizontal = Control.SIZE_EXPAND_FILL
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else:
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node.custom_minimum_size.x = width
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node.size_flags_horizontal = Control.SIZE_SHRINK_BEGIN
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if height != null:
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if is_percentage(height):
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var estimated_height = calculate_percentage_size(height, 600.0)
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node.custom_minimum_size.y = estimated_height
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node.size_flags_vertical = Control.SIZE_EXPAND_FILL
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else:
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node.custom_minimum_size.y = height
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node.size_flags_vertical = Control.SIZE_SHRINK_BEGIN
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static func is_percentage(value) -> bool:
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return typeof(value) == TYPE_STRING and value.ends_with("%")
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static func calculate_percentage_size(percentage_str: String, fallback_size: float) -> float:
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var clean_percentage = percentage_str.replace("%", "")
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var percentage = float(clean_percentage) / 100.0
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return fallback_size * percentage
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static func apply_container_percentage_sizing(node: Control) -> void:
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var parent = node.get_parent()
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if not parent:
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return
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var new_min_size = node.custom_minimum_size
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if node.has_meta("container_percentage_width"):
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var percentage_str = node.get_meta("container_percentage_width")
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var parent_width = get_parent_dimension(parent, true, 800.0)
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new_min_size.x = calculate_percentage_size(percentage_str, parent_width)
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if node.has_meta("container_percentage_height"):
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var percentage_str = node.get_meta("container_percentage_height")
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var parent_height = get_parent_dimension(parent, false, 600.0)
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new_min_size.y = calculate_percentage_size(percentage_str, parent_height)
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node.custom_minimum_size = new_min_size
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static func get_parent_dimension(parent: Control, is_width: bool, fallback: float) -> float:
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var size_value = parent.size.x if is_width else parent.size.y
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if size_value > 0:
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return size_value
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var rect_size = parent.get_rect().size.x if is_width else parent.get_rect().size.y
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if rect_size > 0:
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return rect_size
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var min_size = parent.custom_minimum_size.x if is_width else parent.custom_minimum_size.y
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if min_size > 0:
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return min_size
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return fallback
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static func apply_body_styles(body: HTMLParser.HTMLElement, parser: HTMLParser, website_container: Control, website_background: Control) -> void:
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var styles = parser.get_element_styles_with_inheritance(body, "", [])
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# Apply background color
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if styles.has("background-color"):
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var style_box = StyleBoxFlat.new()
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style_box.bg_color = styles["background-color"] as Color
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website_background.add_theme_stylebox_override("panel", style_box)
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# Apply padding
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var has_padding = styles.has("padding") or styles.has("padding-top") or styles.has("padding-right") or styles.has("padding-bottom") or styles.has("padding-left")
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if has_padding:
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var margin_container = MarginContainer.new()
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margin_container.name = "BodyMarginContainer"
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margin_container.size_flags_horizontal = website_container.size_flags_horizontal
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margin_container.size_flags_vertical = website_container.size_flags_vertical
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# ScrollContainer
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# |__ BodyMarginContainer
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# |__ WebsiteContainer
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var original_parent = website_container.get_parent()
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var container_index = website_container.get_index()
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original_parent.remove_child(website_container)
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original_parent.add_child(margin_container)
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original_parent.move_child(margin_container, container_index)
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margin_container.add_child(website_container)
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var margin_val = parse_size(styles["padding"])
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margin_container.add_theme_constant_override("margin_left", margin_val)
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margin_container.add_theme_constant_override("margin_right", margin_val)
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margin_container.add_theme_constant_override("margin_top", margin_val)
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margin_container.add_theme_constant_override("margin_bottom", margin_val)
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# Apply individual padding values
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var padding_sides = [
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["padding-top", "margin_top"],
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["padding-right", "margin_right"],
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["padding-bottom", "margin_bottom"],
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["padding-left", "margin_left"]
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]
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for side_pair in padding_sides:
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var style_key = side_pair[0]
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var margin_key = side_pair[1]
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if styles.has(style_key):
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var margin_val2 = parse_size(styles[style_key])
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margin_container.add_theme_constant_override(margin_key, margin_val2)
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static func parse_radius(radius_str: String) -> int:
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if radius_str.ends_with("px"):
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return int(radius_str.replace("px", ""))
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elif radius_str.ends_with("rem"):
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return int(radius_str.replace("rem", "")) * 16
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elif radius_str.is_valid_float():
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return int(radius_str)
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else:
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return 0
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