Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89 Commit: 93712b24bf Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256 Reviewed-by: https://github.com/sideshowbarker
2025-08-21 01:40:46 +00:00 · 2024-11-09 12:25:08 -05:00 · 2024-11-09 12:25:08 -05:00 · 93712b24bf · 2024-11-10 11:51:52 +00:00
commit 93712b24bf
parent 950e819ee7
4547 changed files with 104 additions and 113 deletions
--- a/Libraries/LibWeb/Layout/Label.cpp
+++ b/Libraries/LibWeb/Layout/Label.cpp
@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2021, Tim Flynn <trflynn89@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/DOM/Document.h>
+#include <LibWeb/DOM/Element.h>
+#include <LibWeb/Layout/Label.h>
+#include <LibWeb/Layout/LabelableNode.h>
+#include <LibWeb/Layout/TextNode.h>
+#include <LibWeb/Layout/Viewport.h>
+#include <LibWeb/Painting/LabelablePaintable.h>
+#include <LibWeb/UIEvents/MouseButton.h>
+
+namespace Web::Layout {
+
+JS_DEFINE_ALLOCATOR(Label);
+
+Label::Label(DOM::Document& document, HTML::HTMLLabelElement* element, CSS::StyleProperties style)
+    : BlockContainer(document, element, move(style))
+{
+}
+
+Label::~Label() = default;
+
+void Label::handle_mousedown_on_label(Badge<Painting::TextPaintable>, CSSPixelPoint, unsigned button)
+{
+    if (button != UIEvents::MouseButton::Primary)
+        return;
+
+    if (auto control = dom_node().control(); control && is<Painting::LabelablePaintable>(control->paintable())) {
+        auto& labelable_paintable = verify_cast<Painting::LabelablePaintable>(*control->paintable());
+        labelable_paintable.handle_associated_label_mousedown({});
+    }
+
+    m_tracking_mouse = true;
+}
+
+void Label::handle_mouseup_on_label(Badge<Painting::TextPaintable>, CSSPixelPoint position, unsigned button)
+{
+    if (!m_tracking_mouse || button != UIEvents::MouseButton::Primary)
+        return;
+
+    if (auto control = dom_node().control(); control && is<Painting::LabelablePaintable>(control->paintable())) {
+        bool is_inside_control = control->paintable_box()->absolute_rect().contains(position);
+        bool is_inside_label = paintable_box()->absolute_rect().contains(position);
+        if (is_inside_control || is_inside_label) {
+            auto& labelable_paintable = verify_cast<Painting::LabelablePaintable>(*control->paintable());
+            labelable_paintable.handle_associated_label_mouseup({});
+        }
+    }
+
+    m_tracking_mouse = false;
+}
+
+void Label::handle_mousemove_on_label(Badge<Painting::TextPaintable>, CSSPixelPoint position, unsigned)
+{
+    if (!m_tracking_mouse)
+        return;
+
+    if (auto control = dom_node().control(); control && is<Painting::LabelablePaintable>(control->paintable())) {
+        bool is_inside_control = control->paintable_box()->absolute_rect().contains(position);
+        bool is_inside_label = paintable_box()->absolute_rect().contains(position);
+        auto& labelable_paintable = verify_cast<Painting::LabelablePaintable>(*control->paintable());
+        labelable_paintable.handle_associated_label_mousemove({}, is_inside_control || is_inside_label);
+    }
+}
+
+bool Label::is_inside_associated_label(LabelableNode const& control, CSSPixelPoint position)
+{
+    if (auto* label = label_for_control_node(control); label)
+        return label->paintable_box()->absolute_rect().contains(position);
+    return false;
+}
+
+bool Label::is_associated_label_hovered(LabelableNode const& control)
+{
+    if (auto* label = label_for_control_node(control); label) {
+        if (label->document().hovered_node() == &label->dom_node())
+            return true;
+
+        if (auto* child = label->first_child_of_type<TextNode>(); child)
+            return label->document().hovered_node() == &child->dom_node();
+    }
+
+    return false;
+}
+
+// https://html.spec.whatwg.org/multipage/forms.html#labeled-control
+Label const* Label::label_for_control_node(LabelableNode const& control)
+{
+    if (!control.document().layout_node())
+        return nullptr;
+
+    // The for attribute may be specified to indicate a form control with which the caption is to be associated.
+    // If the attribute is specified, the attribute's value must be the ID of a labelable element in the
+    // same tree as the label element. If the attribute is specified and there is an element in the tree
+    // whose ID is equal to the value of the for attribute, and the first such element in tree order is
+    // a labelable element, then that element is the label element's labeled control.
+    if (auto const& id = control.dom_node().id(); id.has_value() && !id->is_empty()) {
+        Label const* label = nullptr;
+
+        control.document().layout_node()->for_each_in_inclusive_subtree_of_type<Label>([&](auto& node) {
+            if (node.dom_node().for_() == id) {
+                label = &node;
+                return TraversalDecision::Break;
+            }
+            return TraversalDecision::Continue;
+        });
+
+        if (label)
+            return label;
+    }
+
+    // If the for attribute is not specified, but the label element has a labelable element descendant,
+    // then the first such descendant in tree order is the label element's labeled control.
+    return control.first_ancestor_of_type<Label>();
+}
+
+}