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57 lines
2 KiB
C++
57 lines
2 KiB
C++
/*
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* Copyright (c) 2022, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/UIEvents/MouseEvent.h>
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#include <LibWeb/UIEvents/UIEvent.h>
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#include <LibWeb/WebIDL/Types.h>
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namespace Web::UIEvents {
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enum WheelDeltaMode : WebIDL::UnsignedLong {
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DOM_DELTA_PIXEL = 0,
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DOM_DELTA_LINE = 1,
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DOM_DELTA_PAGE = 2,
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};
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struct WheelEventInit : public MouseEventInit {
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double delta_x = 0;
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double delta_y = 0;
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double delta_z = 0;
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WebIDL::UnsignedLong delta_mode = WheelDeltaMode::DOM_DELTA_PIXEL;
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};
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class WheelEvent final : public MouseEvent {
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WEB_PLATFORM_OBJECT(WheelEvent, MouseEvent);
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GC_DECLARE_ALLOCATOR(WheelEvent);
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public:
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[[nodiscard]] static GC::Ref<WheelEvent> create(JS::Realm&, FlyString const& event_name, WheelEventInit const& = {}, double page_x = 0, double page_y = 0, double offset_x = 0, double offset_y = 0);
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[[nodiscard]] static GC::Ref<WheelEvent> construct_impl(JS::Realm&, FlyString const& event_name, WheelEventInit const& = {});
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static WebIDL::ExceptionOr<GC::Ref<WheelEvent>> create_from_platform_event(JS::Realm&, GC::Ptr<HTML::WindowProxy>, FlyString const& event_name, CSSPixelPoint screen, CSSPixelPoint page, CSSPixelPoint client, CSSPixelPoint offset, double delta_x, double delta_y, unsigned button, unsigned buttons, unsigned modifiers);
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virtual ~WheelEvent() override;
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double delta_x() const { return m_delta_x; }
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double delta_y() const { return m_delta_y; }
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double delta_z() const { return m_delta_z; }
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WebIDL::UnsignedLong delta_mode() const { return m_delta_mode; }
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private:
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WheelEvent(JS::Realm&, FlyString const& event_name, WheelEventInit const& event_init, double page_x, double page_y, double offset_x, double offset_y);
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virtual void initialize(JS::Realm&) override;
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double m_delta_x { 0 };
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double m_delta_y { 0 };
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double m_delta_z { 0 };
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WebIDL::UnsignedLong m_delta_mode { WheelDeltaMode::DOM_DELTA_PIXEL };
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};
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}
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