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LibWeb: Pick the correct DOM node for mouse-move events
This makes hovering over the link in the following HTML snippet work, i.e. the tooltip is shown and the link target is shown at the bottom of the browser window: <html lang="en"><head><style> .site-link{display:inline-block} .site-link:before{content:"derp"} .site-link::after{content:"";display:block} </style></head><body><a class="site-link" href="#" title="Tooltip, maybe!"></a>
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1 changed files with 6 additions and 11 deletions
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@ -453,9 +453,14 @@ bool EventHandler::handle_mousemove(Gfx::IntPoint const& position, unsigned butt
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// FIXME: Handle other values for pointer-events.
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VERIFY(pointer_events != CSS::PointerEvents::None);
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// Search for the first parent of the hit target that's an element.
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// "The click event type MUST be dispatched on the topmost event target indicated by the pointer." (https://www.w3.org/TR/uievents/#event-type-click)
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// "The topmost event target MUST be the element highest in the rendering order which is capable of being an event target." (https://www.w3.org/TR/uievents/#topmost-event-target)
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Layout::Node const* layout_node;
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bool found_parent_element = parent_element_for_event_dispatch(*paintable, node, layout_node);
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hovered_node_changed = node.ptr() != document.hovered_node();
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document.set_hovered_node(node);
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if (node) {
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if (found_parent_element) {
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hovered_link_element = node->enclosing_link_element();
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if (hovered_link_element)
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is_hovering_link = true;
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@ -474,22 +479,12 @@ bool EventHandler::handle_mousemove(Gfx::IntPoint const& position, unsigned butt
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hovered_node_cursor = cursor_css_to_gfx(cursor);
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}
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// Search for the first parent of the hit target that's an element.
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// "The click event type MUST be dispatched on the topmost event target indicated by the pointer." (https://www.w3.org/TR/uievents/#event-type-click)
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// "The topmost event target MUST be the element highest in the rendering order which is capable of being an event target." (https://www.w3.org/TR/uievents/#topmost-event-target)
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Layout::Node const* layout_node;
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if (!parent_element_for_event_dispatch(*paintable, node, layout_node)) {
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// FIXME: This is pretty ugly but we need to bail out here.
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goto after_node_use;
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}
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auto offset = compute_mouse_event_offset(position, *layout_node);
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node->dispatch_event(*UIEvents::MouseEvent::create_from_platform_event(node->realm(), UIEvents::EventNames::mousemove, offset.x(), offset.y(), position.x(), position.y(), buttons));
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// NOTE: Dispatching an event may have disturbed the world.
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if (!paint_root() || paint_root() != node->document().paint_box())
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return true;
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}
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after_node_use:
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if (m_in_mouse_selection) {
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auto hit = paint_root()->hit_test(position.to_type<float>(), Painting::HitTestType::TextCursor);
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if (start_index.has_value() && hit.has_value() && hit->dom_node()) {
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