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https://github.com/RGBCube/serenity
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48abbefb99
For paintables that don't know how to hit test themselves, let's just return nothing instead of crashing.
49 lines
1.5 KiB
C++
49 lines
1.5 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/DOM/Document.h>
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#include <LibWeb/Layout/BlockContainer.h>
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#include <LibWeb/Painting/Paintable.h>
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namespace Web::Painting {
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Paintable::DispatchEventOfSameName Paintable::handle_mousedown(Badge<EventHandler>, Gfx::IntPoint const&, unsigned, unsigned)
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{
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return DispatchEventOfSameName::Yes;
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}
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Paintable::DispatchEventOfSameName Paintable::handle_mouseup(Badge<EventHandler>, Gfx::IntPoint const&, unsigned, unsigned)
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{
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return DispatchEventOfSameName::Yes;
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}
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Paintable::DispatchEventOfSameName Paintable::handle_mousemove(Badge<EventHandler>, Gfx::IntPoint const&, unsigned, unsigned)
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{
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return DispatchEventOfSameName::Yes;
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}
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bool Paintable::handle_mousewheel(Badge<EventHandler>, Gfx::IntPoint const&, unsigned, unsigned, int wheel_delta_x, int wheel_delta_y)
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{
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if (auto* containing_block = this->containing_block()) {
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if (!containing_block->is_scrollable())
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return false;
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auto new_offset = containing_block->scroll_offset();
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new_offset.translate_by(wheel_delta_x, wheel_delta_y);
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// FIXME: This const_cast is gross.
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// FIXME: Scroll offset shouldn't live in the layout tree.
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const_cast<Layout::BlockContainer*>(containing_block)->set_scroll_offset(new_offset);
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return true;
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}
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return false;
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}
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HitTestResult Paintable::hit_test(Gfx::FloatPoint const&, HitTestType) const
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{
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return {};
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}
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}
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