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LibHTML: Implement naive hit testing

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We don't have proper line boxes yet, so we can't easily hit test
inline text.
This commit is contained in:
Andreas Kling 2019-09-28 23:02:22 +02:00
parent 3ed41abba4
commit 3de4b99dc3
4 changed files with 38 additions and 0 deletions
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14
Libraries/LibHTML/Layout/LayoutNode.cpp
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@ -1,3 +1,4 @@
#include <LibHTML/DOM/Element.h>
#include <LibHTML/Layout/LayoutBlock.h>
#include <LibHTML/Layout/LayoutNode.h>
@ -34,3 +35,16 @@ void LayoutNode::render(RenderingContext& context)
child.render(context);
});
}
HitTestResult LayoutNode::hit_test(const Point& position) const
{
if (!m_rect.contains(position))
return {};
HitTestResult result { this };
for_each_child([&](auto& child) {
auto child_result = child.hit_test(position);
if (child_result.layout_node)
result = child_result;
});
return result;
}