413 lines
14 KiB
GDScript
413 lines
14 KiB
GDScript
class_name Main
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extends Control
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@onready var website_container: Control = %WebsiteContainer
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@onready var website_background: Control = %WebsiteBackground
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@onready var tab_container: TabManager = $VBoxContainer/TabContainer
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const LOADER_CIRCLE = preload("res://Assets/Icons/loader-circle.svg")
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const AUTO_SIZING_FLEX_CONTAINER = preload("res://Scripts/AutoSizingFlexContainer.gd")
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const P = preload("res://Scenes/Tags/p.tscn")
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const IMG = preload("res://Scenes/Tags/img.tscn")
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const SEPARATOR = preload("res://Scenes/Tags/separator.tscn")
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const PRE = P
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const BR = preload("res://Scenes/Tags/br.tscn")
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const SPAN = preload("res://Scenes/Tags/span.tscn")
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const H1 = P
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const H2 = P
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const H3 = P
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const H4 = P
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const H5 = P
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const H6 = P
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const FORM = preload("res://Scenes/Tags/form.tscn")
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const INPUT = preload("res://Scenes/Tags/input.tscn")
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const BUTTON = preload("res://Scenes/Tags/button.tscn")
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const UL = preload("res://Scenes/Tags/ul.tscn")
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const OL = preload("res://Scenes/Tags/ol.tscn")
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const SELECT = preload("res://Scenes/Tags/select.tscn")
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const OPTION = preload("res://Scenes/Tags/option.tscn")
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const TEXTAREA = preload("res://Scenes/Tags/textarea.tscn")
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const DIV = preload("res://Scenes/Tags/div.tscn")
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const AUDIO = preload("res://Scenes/Tags/audio.tscn")
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const MIN_SIZE = Vector2i(750, 200)
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var font_dependent_elements: Array = []
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func should_group_as_inline(element: HTMLParser.HTMLElement) -> bool:
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# Don't group inputs unless they're inside a form
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if element.tag_name == "input":
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# Check if this element has a form ancestor
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var parent = element.parent
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while parent:
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if parent.tag_name == "form":
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return true
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parent = parent.parent
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return false
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return element.is_inline_element()
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func _ready():
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ProjectSettings.set_setting("display/window/size/min_width", MIN_SIZE.x)
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ProjectSettings.set_setting("display/window/size/min_height", MIN_SIZE.y)
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DisplayServer.window_set_min_size(MIN_SIZE)
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get_viewport().size_changed.connect(_on_viewport_size_changed)
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func _on_viewport_size_changed():
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recalculate_percentage_elements(website_container)
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func recalculate_percentage_elements(node: Node):
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if node is Control and node.has_meta("needs_percentage_recalc"):
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SizingUtils.apply_container_percentage_sizing(node)
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for child in node.get_children():
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recalculate_percentage_elements(child)
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func render() -> void:
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# Clear existing content
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for child in website_container.get_children():
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child.queue_free()
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font_dependent_elements.clear()
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FontManager.clear_fonts()
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FontManager.set_refresh_callback(refresh_fonts)
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var html_bytes = Constants.HTML_CONTENT
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var parser: HTMLParser = HTMLParser.new(html_bytes)
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var parse_result = parser.parse()
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parser.process_styles()
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# Process and load all custom fonts defined in <font> tags
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parser.process_fonts()
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FontManager.load_all_fonts()
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if parse_result.errors.size() > 0:
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print("Parse errors: " + str(parse_result.errors))
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var tab = tab_container.tabs[tab_container.active_tab]
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var title = parser.get_title()
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tab.set_title(title)
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var icon = parser.get_icon()
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tab.update_icon_from_url(icon)
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var body = parser.find_first("body")
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if body:
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StyleManager.apply_body_styles(body, parser, website_container, website_background)
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parser.register_dom_node(body, website_container)
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var scripts = parser.find_all("script")
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var lua_api = null
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if scripts.size() > 0:
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lua_api = LuaAPI.new()
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add_child(lua_api)
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var i = 0
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while i < body.children.size():
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var element: HTMLParser.HTMLElement = body.children[i]
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if should_group_as_inline(element):
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# Create an HBoxContainer for consecutive inline elements
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var inline_elements: Array[HTMLParser.HTMLElement] = []
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while i < body.children.size() and should_group_as_inline(body.children[i]):
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inline_elements.append(body.children[i])
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i += 1
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var hbox = HBoxContainer.new()
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hbox.add_theme_constant_override("separation", 4)
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for inline_element in inline_elements:
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var inline_node = await create_element_node(inline_element, parser)
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if inline_node:
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# Input elements register their own DOM nodes in their init() function
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if inline_element.tag_name not in ["input", "textarea", "select", "button", "audio"]:
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parser.register_dom_node(inline_element, inline_node)
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safe_add_child(hbox, inline_node)
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# Handle hyperlinks for all inline elements
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if contains_hyperlink(inline_element) and inline_node is RichTextLabel:
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inline_node.meta_clicked.connect(func(meta): OS.shell_open(str(meta)))
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else:
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print("Failed to create inline element node: ", inline_element.tag_name)
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safe_add_child(website_container, hbox)
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continue
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var element_node = await create_element_node(element, parser)
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if element_node:
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# Input elements register their own DOM nodes in their init() function
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if element.tag_name not in ["input", "textarea", "select", "button", "audio"]:
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parser.register_dom_node(element, element_node)
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# ul/ol handle their own adding
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if element.tag_name != "ul" and element.tag_name != "ol":
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safe_add_child(website_container, element_node)
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# Handle hyperlinks for all elements
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if contains_hyperlink(element):
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if element_node is RichTextLabel:
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element_node.meta_clicked.connect(func(meta): OS.shell_open(str(meta)))
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elif element_node.has_method("get") and element_node.get("rich_text_label"):
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element_node.rich_text_label.meta_clicked.connect(func(meta): OS.shell_open(str(meta)))
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else:
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print("Couldn't parse unsupported HTML tag \"%s\"" % element.tag_name)
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i += 1
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if scripts.size() > 0 and lua_api:
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parser.process_scripts(lua_api, null)
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static func safe_add_child(parent: Node, child: Node) -> void:
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if child.get_parent():
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child.get_parent().remove_child(child)
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parent.add_child(child)
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if child.has_meta("container_percentage_width") or child.has_meta("container_percentage_height"):
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SizingUtils.apply_container_percentage_sizing(child)
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child.set_meta("needs_percentage_recalc", true)
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func contains_hyperlink(element: HTMLParser.HTMLElement) -> bool:
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if element.tag_name == "a":
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return true
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for child in element.children:
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if contains_hyperlink(child):
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return true
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return false
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func is_text_only_element(element: HTMLParser.HTMLElement) -> bool:
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if element.children.size() == 0:
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var text = element.get_collapsed_text()
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return not text.is_empty()
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return false
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func create_element_node(element: HTMLParser.HTMLElement, parser: HTMLParser) -> Control:
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var styles = parser.get_element_styles_with_inheritance(element, "", [])
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var is_flex_container = styles.has("display") and ("flex" in styles["display"])
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var final_node: Control
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var container_for_children: Node
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# If this is an inline element AND not a flex container, do NOT recursively add child nodes for its children.
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# Only create a node for the outermost inline group; nested inline tags are handled by BBCode.
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if element.is_inline_element() and not is_flex_container:
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final_node = await create_element_node_internal(element, parser)
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if not final_node:
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return null
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final_node = StyleManager.apply_element_styles(final_node, element, parser)
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# Flex item properties may still apply
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StyleManager.apply_flex_item_properties(final_node, styles)
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return final_node
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if is_flex_container:
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# The element's primary identity IS a flex container.
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# We create it directly.
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final_node = AUTO_SIZING_FLEX_CONTAINER.new()
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final_node.name = "Flex_" + element.tag_name
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container_for_children = final_node
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# For FLEX ul/ol elements, we need to create the li children directly in the flex container
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if element.tag_name == "ul" or element.tag_name == "ol":
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final_node.flex_direction = FlexContainer.FlexDirection.Column
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website_container.add_child(final_node)
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var temp_list = UL.instantiate() if element.tag_name == "ul" else OL.instantiate()
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website_container.add_child(temp_list)
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await temp_list.init(element, parser)
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for child in temp_list.get_children():
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temp_list.remove_child(child)
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container_for_children.add_child(child)
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website_container.remove_child(temp_list)
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temp_list.queue_free()
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# If the element itself has text (like <span style="flex">TEXT</span>)
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elif not element.text_content.is_empty():
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var new_node = await create_element_node_internal(element, parser)
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container_for_children.add_child(new_node)
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else:
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final_node = await create_element_node_internal(element, parser)
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if not final_node:
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return null # Unsupported tag
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# If final_node is a PanelContainer, children should go to the VBoxContainer inside
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if final_node is PanelContainer and final_node.get_child_count() > 0:
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container_for_children = final_node.get_child(0) # The VBoxContainer inside
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else:
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container_for_children = final_node
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# Applies background, size, etc. to the FlexContainer (top-level node)
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final_node = StyleManager.apply_element_styles(final_node, element, parser)
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# Apply flex CONTAINER properties if it's a flex container
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if is_flex_container:
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var flex_container_node = final_node
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# If the node was wrapped in a MarginContainer, get the inner FlexContainer
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if final_node is MarginContainer and final_node.get_child_count() > 0:
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var first_child = final_node.get_child(0)
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if first_child is FlexContainer:
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flex_container_node = first_child
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if flex_container_node is FlexContainer:
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StyleManager.apply_flex_container_properties(flex_container_node, styles)
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# Apply flex ITEM properties
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StyleManager.apply_flex_item_properties(final_node, styles)
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# Skip ul/ol and non-flex forms, they handle their own children
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var skip_general_processing = false
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if element.tag_name == "ul" or element.tag_name == "ol":
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skip_general_processing = true
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elif element.tag_name == "form":
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skip_general_processing = not is_flex_container
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if not skip_general_processing:
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for child_element in element.children:
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# Only add child nodes if the child is NOT an inline element
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# UNLESS the parent is a flex container (inline elements become flex items)
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if not child_element.is_inline_element() or is_flex_container:
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var child_node = await create_element_node(child_element, parser)
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if child_node and is_instance_valid(container_for_children):
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# Input elements register their own DOM nodes in their init() function
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if child_element.tag_name not in ["input", "textarea", "select", "button", "audio"]:
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parser.register_dom_node(child_element, child_node)
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safe_add_child(container_for_children, child_node)
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return final_node
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func create_element_node_internal(element: HTMLParser.HTMLElement, parser: HTMLParser) -> Control:
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var node: Control = null
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match element.tag_name:
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"p":
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node = P.instantiate()
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node.init(element, parser)
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"pre":
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node = PRE.instantiate()
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node.init(element, parser)
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"h1", "h2", "h3", "h4", "h5", "h6":
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match element.tag_name:
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"h1": node = H1.instantiate()
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"h2": node = H2.instantiate()
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"h3": node = H3.instantiate()
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"h4": node = H4.instantiate()
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"h5": node = H5.instantiate()
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"h6": node = H6.instantiate()
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node.init(element, parser)
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"br":
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node = BR.instantiate()
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node.init(element, parser)
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"img":
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node = IMG.instantiate()
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node.init(element, parser)
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"separator":
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node = SEPARATOR.instantiate()
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node.init(element, parser)
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"form":
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var form_styles = parser.get_element_styles_with_inheritance(element, "", [])
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var is_flex_form = form_styles.has("display") and ("flex" in form_styles["display"])
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if is_flex_form:
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# Don't create a form node here - return null so general processing takes over
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return null
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else:
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node = FORM.instantiate()
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node.init(element, parser)
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# Manually process children for non-flex forms
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for child_element in element.children:
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var child_node = await create_element_node(child_element, parser)
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if child_node:
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safe_add_child(node, child_node)
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"input":
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node = INPUT.instantiate()
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node.init(element, parser)
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"button":
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node = BUTTON.instantiate()
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node.init(element, parser)
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"span", "b", "i", "u", "small", "mark", "code", "a":
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node = SPAN.instantiate()
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node.init(element, parser)
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"ul":
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node = UL.instantiate()
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website_container.add_child(node)
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await node.init(element, parser)
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return node
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"ol":
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node = OL.instantiate()
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website_container.add_child(node)
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await node.init(element, parser)
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return node
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"li":
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node = P.instantiate()
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node.init(element, parser)
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"select":
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node = SELECT.instantiate()
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node.init(element, parser)
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"option":
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node = OPTION.instantiate()
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node.init(element, parser)
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"textarea":
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node = TEXTAREA.instantiate()
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node.init(element, parser)
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"audio":
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node = AUDIO.instantiate()
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node.init(element, parser)
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"div":
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var styles = parser.get_element_styles_with_inheritance(element, "", [])
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var hover_styles = parser.get_element_styles_with_inheritance(element, "hover", [])
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# Create div container
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if BackgroundUtils.needs_background_wrapper(styles) or hover_styles.size() > 0:
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node = BackgroundUtils.create_panel_container_with_background(styles, hover_styles)
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else:
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node = DIV.instantiate()
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node.init(element, parser)
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var has_only_text = is_text_only_element(element)
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if has_only_text:
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var p_node = P.instantiate()
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p_node.init(element, parser)
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var container_for_children = node
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if node is PanelContainer and node.get_child_count() > 0:
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container_for_children = node.get_child(0) # The VBoxContainer inside
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safe_add_child(container_for_children, p_node)
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_:
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return null
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return node
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func register_font_dependent_element(label: Control, styles: Dictionary, element: HTMLParser.HTMLElement, parser: HTMLParser) -> void:
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font_dependent_elements.append({
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"label": label,
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"styles": styles,
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"element": element,
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"parser": parser
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})
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func refresh_fonts(font_name: String) -> void:
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# Find all elements that should use this font and refresh them
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for element_info in font_dependent_elements:
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var label = element_info["label"]
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var styles = element_info["styles"]
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var element = element_info["element"]
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var parser = element_info["parser"]
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if styles.has("font-family") and styles["font-family"] == font_name:
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if is_instance_valid(label):
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StyleManager.apply_styles_to_label(label, styles, element, parser)
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