LibWeb: Move mouse event and label logic from layout to painting tree

Input events have nothing to do with layout, so let's not send them to
layout nodes.

The job of Paintable starts to become clear. It represents a paintable
item that can be rendered into the viewport, which means it can also
be targeted by the mouse cursor.

2 files changed, 8 insertions, 0 deletions

diff --git a/Userland/Libraries/LibWeb/DOM/Node.cpp b/Userland/Libraries/LibWeb/DOM/Node.cpp
index 5241cb9f1d..b1eb86a63d 100644
--- a/Userland/Libraries/LibWeb/DOM/Node.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Node.cpp
@@ -1010,6 +1010,13 @@ size_t Node::length() const
     return child_count();
 }
 
+Painting::Paintable const* Node::paintable() const
+{
+    if (!layout_node())
+        return nullptr;
+    return layout_node()->paintable();
+}
+
 Painting::PaintableBox const* Node::paint_box() const
 {
     if (!layout_node())
diff --git a/Userland/Libraries/LibWeb/DOM/Node.h b/Userland/Libraries/LibWeb/DOM/Node.h
index 8b9b641de2..536738c9f0 100644
--- a/Userland/Libraries/LibWeb/DOM/Node.h
+++ b/Userland/Libraries/LibWeb/DOM/Node.h
@@ -159,6 +159,7 @@ public:
     Layout::Node* layout_node() { return m_layout_node; }
 
     Painting::PaintableBox const* paint_box() const;
+    Painting::Paintable const* paintable() const;
 
     void set_layout_node(Badge<Layout::Node>, Layout::Node*) const;