252 lines
7.0 KiB
GDScript
252 lines
7.0 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 tab_container: TabManager = $VBoxContainer/TabContainer
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const LOADER_CIRCLE = preload("res://Assets/Icons/loader-circle.svg")
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var loading_tween: Tween
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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 = preload("res://Scenes/Tags/pre.tscn")
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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 = preload("res://Scenes/Tags/h1.tscn")
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const H2 = preload("res://Scenes/Tags/h2.tscn")
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const H3 = preload("res://Scenes/Tags/h3.tscn")
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const H4 = preload("res://Scenes/Tags/h4.tscn")
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const H5 = preload("res://Scenes/Tags/h5.tscn")
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const H6 = preload("res://Scenes/Tags/h6.tscn")
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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 MIN_SIZE = Vector2i(750, 200)
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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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func render():
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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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var html_bytes = "<head>
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<title>My cool web</title>
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<icon src=\"https://upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Google_%22G%22_logo.svg/768px-Google_%22G%22_logo.svg.png\">
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<meta name=\"theme-color\" content=\"#000000\">
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<meta name=\"description\" content=\"My cool web\">
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<style href=\"styles.css\">
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<script src=\"script.lua\" />
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</head>
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<body>
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<h1>Header 1</h1>
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<h2>Header 2</h2>
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<h3>Header 3</h3>
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<h4>Header 4</h4>
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<h5>Header 5</h5>
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<h6>Header 6</h6>
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<p>Hey there! this is a test</p>
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<b>This is bold</b>
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<i>This is italic <mark>actually, and it's pretty <u>cool</u></mark></i>
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<u>This is underline</u>
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<small>this is small</small>
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<mark>this is marked</mark>
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<code>this is code<span> THIS IS A SPAN AND SHOULDNT BE ANY DIFFERENT</span></code>
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<p>
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<a href=\"https://youtube.com\">Hello gang</a>
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</p>
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<pre>
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Text in a pre element
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is displayed in a fixed-width
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font, and it preserves
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both spaces and
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line breaks
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</pre>
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<!-- action, method, and type=submit are for when we implement Lua -->
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<form action=\"/submit\" method=\"POST\">
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<span>Name:</span>
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<input type=\"text\" placeholder=\"First name\" value=\"John\" maxlength=\"20\" minlength=\"3\" />
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<span>Email regex:</span>
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<input type=\"text\" placeholder=\"Last name\" value=\"Doe\" pattern=\"^[^@\\s]+@[^@\\s]+\\.[^@\\s]+$\" />
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<span>Smart:</span>
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<input type=\"checkbox\" />
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<input type=\"checkbox\" value=\"true\" />
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<p>favorite food</p>
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<input type=\"radio\" group=\"food\" />
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<span>Pizza</span>
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<input type=\"radio\" group=\"food\" />
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<span>Berry</span>
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<input type=\"radio\" group=\"food\" />
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<span>Gary</span>
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<input type=\"password\" placeholder=\"your password...\" />
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<button type=\"submit\">Submit</button>
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</form>
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<separator direction=\"horizontal\" />
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<img src=\"https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQMNUPIKabszX0Js_c0kfa4cz_JQYKfGTuBUA&s\" />
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<separator direction=\"vertical\" />
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</body>".to_utf8_buffer()
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# Create parser and parse
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var parser: HTMLParser = HTMLParser.new(html_bytes)
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var parse_result = parser.parse()
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print("Total elements found: " + str(parse_result.all_elements.size()))
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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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# TODO: render the shit on the screen
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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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set_loading_icon(tab)
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call_deferred("update_tab_icon", tab, icon)
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var body = parser.find_first("body")
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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 element.is_inline_element():
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# Collect consecutive inline elements and flatten nested ones
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var inline_elements: Array[HTMLParser.HTMLElement] = []
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var has_hyperlink = false
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while i < body.children.size() and body.children[i].is_inline_element():
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inline_elements.append(body.children[i])
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if contains_hyperlink(body.children[i]):
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has_hyperlink = true
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i += 1
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var inline_container = P.instantiate()
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var temp_parent = HTMLParser.HTMLElement.new()
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temp_parent.tag_name = "p"
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temp_parent.children = inline_elements
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inline_container.init(temp_parent)
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website_container.add_child(inline_container)
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if has_hyperlink:
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inline_container.rich_text_label.meta_clicked.connect(func(meta): OS.shell_open(str(meta)))
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continue
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var element_node = create_element_node(element)
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if element_node:
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website_container.add_child(element_node)
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# Handle hyperlinks for all elements
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if contains_hyperlink(element) and 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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func set_loading_icon(tab: Tab) -> void:
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tab.set_icon(LOADER_CIRCLE)
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loading_tween = create_tween()
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loading_tween.set_loops()
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var icon = tab.icon
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icon.pivot_offset = Vector2(11.5, 11.5)
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loading_tween.tween_method(func(angle): icon.rotation = angle, 0.0, TAU, 1.0)
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func stop_loading_icon() -> void:
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if loading_tween:
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loading_tween.kill()
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loading_tween = null
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func update_tab_icon(tab: Tab, icon: String) -> void:
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tab.set_icon(await Network.fetch_image(icon))
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stop_loading_icon()
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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 create_element_node(element: HTMLParser.HTMLElement) -> 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)
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"h1":
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node = H1.instantiate()
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node.init(element)
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"h2":
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node = H2.instantiate()
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node.init(element)
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"h3":
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node = H3.instantiate()
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node.init(element)
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"h4":
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node = H4.instantiate()
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node.init(element)
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"h5":
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node = H5.instantiate()
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node.init(element)
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"h6":
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node = H6.instantiate()
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node.init(element)
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"pre":
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node = PRE.instantiate()
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node.init(element)
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"br":
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node = BR.instantiate()
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node.init(element)
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"img":
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node = IMG.instantiate()
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node.init(element)
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"separator":
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node = SEPARATOR.instantiate()
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node.init(element)
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"form":
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node = FORM.instantiate()
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node.init(element)
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for child_element in element.children:
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var child_node = create_element_node(child_element)
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if child_node:
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node.add_child(child_node)
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"input":
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node = INPUT.instantiate()
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node.init(element)
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"button":
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node = BUTTON.instantiate()
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node.init(element)
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"span":
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node = SPAN.instantiate()
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node.init(element)
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_:
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return null
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return node
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