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cb0c5390ff
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.
59 lines
2 KiB
C++
59 lines
2 KiB
C++
/*
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* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/HTML/BrowsingContext.h>
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#include <LibWeb/Layout/Label.h>
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#include <LibWeb/Page/EventHandler.h>
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#include <LibWeb/Painting/TextPaintable.h>
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namespace Web::Painting {
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NonnullRefPtr<TextPaintable> TextPaintable::create(Layout::TextNode const& layout_node)
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{
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return adopt_ref(*new TextPaintable(layout_node));
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}
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TextPaintable::TextPaintable(Layout::TextNode const& layout_node)
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: Paintable(layout_node)
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{
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}
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bool TextPaintable::wants_mouse_events() const
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{
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return layout_node().first_ancestor_of_type<Layout::Label>();
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}
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void TextPaintable::handle_mousedown(Badge<EventHandler>, const Gfx::IntPoint& position, unsigned button, unsigned)
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{
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auto* label = layout_node().first_ancestor_of_type<Layout::Label>();
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if (!label)
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return;
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const_cast<Layout::Label*>(label)->handle_mousedown_on_label({}, position, button);
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const_cast<HTML::BrowsingContext&>(browsing_context()).event_handler().set_mouse_event_tracking_layout_node(&const_cast<Layout::TextNode&>(layout_node()));
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}
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void TextPaintable::handle_mouseup(Badge<EventHandler>, const Gfx::IntPoint& position, unsigned button, unsigned)
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{
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auto* label = layout_node().first_ancestor_of_type<Layout::Label>();
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if (!label)
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return;
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// NOTE: Changing the state of the DOM node may run arbitrary JS, which could disappear this node.
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NonnullRefPtr protect = *this;
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const_cast<Layout::Label*>(label)->handle_mouseup_on_label({}, position, button);
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const_cast<HTML::BrowsingContext&>(browsing_context()).event_handler().set_mouse_event_tracking_layout_node(nullptr);
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}
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void TextPaintable::handle_mousemove(Badge<EventHandler>, const Gfx::IntPoint& position, unsigned button, unsigned)
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{
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auto* label = layout_node().first_ancestor_of_type<Layout::Label>();
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if (!label)
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return;
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const_cast<Layout::Label*>(label)->handle_mousemove_on_label({}, position, button);
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}
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}
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